1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.pm; 18 19 import static android.Manifest.permission.DELETE_PACKAGES; 20 import static android.Manifest.permission.INSTALL_PACKAGES; 21 import static android.Manifest.permission.MANAGE_DEVICE_ADMINS; 22 import static android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS; 23 import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 24 import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 25 import static android.Manifest.permission.SET_HARMFUL_APP_WARNINGS; 26 import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 27 import static android.content.pm.PackageManager.CERT_INPUT_RAW_X509; 28 import static android.content.pm.PackageManager.CERT_INPUT_SHA256; 29 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 30 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 31 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 32 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 33 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 34 import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 35 import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 36 import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 37 import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 38 import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 39 import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 40 import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 41 import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 42 import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 43 import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 44 import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 45 import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 46 import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 47 import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 48 import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 49 import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 50 import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 51 import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 52 import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 53 import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 54 import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 55 import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 56 import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 57 import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 58 import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 59 import static android.content.pm.PackageManager.INSTALL_INTERNAL; 60 import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 61 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 62 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 63 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 64 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 65 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 66 import static android.content.pm.PackageManager.MATCH_ALL; 67 import static android.content.pm.PackageManager.MATCH_ANY_USER; 68 import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 69 import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 70 import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 71 import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 72 import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 73 import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 74 import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 75 import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 76 import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 77 import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 78 import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 79 import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 80 import static android.content.pm.PackageManager.MOVE_FAILED_LOCKED_USER; 81 import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 82 import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 83 import static android.content.pm.PackageManager.PERMISSION_DENIED; 84 import static android.content.pm.PackageManager.PERMISSION_GRANTED; 85 import static android.content.pm.PackageParser.isApkFile; 86 import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 87 import static android.os.storage.StorageManager.FLAG_STORAGE_CE; 88 import static android.os.storage.StorageManager.FLAG_STORAGE_DE; 89 import static android.system.OsConstants.O_CREAT; 90 import static android.system.OsConstants.O_RDWR; 91 92 import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 93 import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 94 import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 95 import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 96 import static com.android.internal.util.ArrayUtils.appendInt; 97 import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 98 import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 99 import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 100 import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 101 import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 102 import static com.android.server.pm.PackageManagerServiceCompilerMapping.getDefaultCompilerFilter; 103 import static com.android.server.pm.PackageManagerServiceUtils.compareSignatures; 104 import static com.android.server.pm.PackageManagerServiceUtils.compressedFileExists; 105 import static com.android.server.pm.PackageManagerServiceUtils.decompressFile; 106 import static com.android.server.pm.PackageManagerServiceUtils.deriveAbiOverride; 107 import static com.android.server.pm.PackageManagerServiceUtils.dumpCriticalInfo; 108 import static com.android.server.pm.PackageManagerServiceUtils.getCompressedFiles; 109 import static com.android.server.pm.PackageManagerServiceUtils.getLastModifiedTime; 110 import static com.android.server.pm.PackageManagerServiceUtils.logCriticalInfo; 111 import static com.android.server.pm.PackageManagerServiceUtils.verifySignatures; 112 import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_FAILURE; 113 import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS; 114 import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 115 116 import android.Manifest; 117 import android.annotation.IntDef; 118 import android.annotation.NonNull; 119 import android.annotation.Nullable; 120 import android.annotation.UserIdInt; 121 import android.app.ActivityManager; 122 import android.app.ActivityManagerInternal; 123 import android.app.AppOpsManager; 124 import android.app.IActivityManager; 125 import android.app.ResourcesManager; 126 import android.app.admin.IDevicePolicyManager; 127 import android.app.admin.SecurityLog; 128 import android.app.backup.IBackupManager; 129 import android.content.BroadcastReceiver; 130 import android.content.ComponentName; 131 import android.content.ContentResolver; 132 import android.content.Context; 133 import android.content.IIntentReceiver; 134 import android.content.Intent; 135 import android.content.IntentFilter; 136 import android.content.IntentSender; 137 import android.content.IntentSender.SendIntentException; 138 import android.content.ServiceConnection; 139 import android.content.pm.ActivityInfo; 140 import android.content.pm.ApplicationInfo; 141 import android.content.pm.AppsQueryHelper; 142 import android.content.pm.AuxiliaryResolveInfo; 143 import android.content.pm.ChangedPackages; 144 import android.content.pm.ComponentInfo; 145 import android.content.pm.FallbackCategoryProvider; 146 import android.content.pm.FeatureInfo; 147 import android.content.pm.IDexModuleRegisterCallback; 148 import android.content.pm.IOnPermissionsChangeListener; 149 import android.content.pm.IPackageDataObserver; 150 import android.content.pm.IPackageDeleteObserver; 151 import android.content.pm.IPackageDeleteObserver2; 152 import android.content.pm.IPackageInstallObserver2; 153 import android.content.pm.IPackageInstaller; 154 import android.content.pm.IPackageManager; 155 import android.content.pm.IPackageManagerNative; 156 import android.content.pm.IPackageMoveObserver; 157 import android.content.pm.IPackageStatsObserver; 158 import android.content.pm.InstantAppInfo; 159 import android.content.pm.InstantAppRequest; 160 import android.content.pm.InstantAppResolveInfo; 161 import android.content.pm.InstrumentationInfo; 162 import android.content.pm.IntentFilterVerificationInfo; 163 import android.content.pm.KeySet; 164 import android.content.pm.PackageCleanItem; 165 import android.content.pm.PackageInfo; 166 import android.content.pm.PackageInfoLite; 167 import android.content.pm.PackageInstaller; 168 import android.content.pm.PackageList; 169 import android.content.pm.PackageManager; 170 import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 171 import android.content.pm.PackageManagerInternal; 172 import android.content.pm.PackageManagerInternal.PackageListObserver; 173 import android.content.pm.PackageParser; 174 import android.content.pm.PackageParser.ActivityIntentInfo; 175 import android.content.pm.PackageParser.Package; 176 import android.content.pm.PackageParser.PackageLite; 177 import android.content.pm.PackageParser.PackageParserException; 178 import android.content.pm.PackageParser.ParseFlags; 179 import android.content.pm.PackageParser.ServiceIntentInfo; 180 import android.content.pm.PackageParser.SigningDetails; 181 import android.content.pm.PackageParser.SigningDetails.SignatureSchemeVersion; 182 import android.content.pm.PackageStats; 183 import android.content.pm.PackageUserState; 184 import android.content.pm.ParceledListSlice; 185 import android.content.pm.PermissionGroupInfo; 186 import android.content.pm.PermissionInfo; 187 import android.content.pm.ProviderInfo; 188 import android.content.pm.ResolveInfo; 189 import android.content.pm.SELinuxUtil; 190 import android.content.pm.ServiceInfo; 191 import android.content.pm.SharedLibraryInfo; 192 import android.content.pm.Signature; 193 import android.content.pm.UserInfo; 194 import android.content.pm.VerifierDeviceIdentity; 195 import android.content.pm.VerifierInfo; 196 import android.content.pm.VersionedPackage; 197 import android.content.pm.dex.ArtManager; 198 import android.content.pm.dex.DexMetadataHelper; 199 import android.content.pm.dex.IArtManager; 200 import android.content.res.Resources; 201 import android.database.ContentObserver; 202 import android.graphics.Bitmap; 203 import android.hardware.display.DisplayManager; 204 import android.net.Uri; 205 import android.os.AsyncTask; 206 import android.os.Binder; 207 import android.os.Build; 208 import android.os.Bundle; 209 import android.os.Debug; 210 import android.os.Environment; 211 import android.os.Environment.UserEnvironment; 212 import android.os.FileUtils; 213 import android.os.Handler; 214 import android.os.IBinder; 215 import android.os.Looper; 216 import android.os.Message; 217 import android.os.Parcel; 218 import android.os.ParcelFileDescriptor; 219 import android.os.PatternMatcher; 220 import android.os.PersistableBundle; 221 import android.os.Process; 222 import android.os.RemoteCallbackList; 223 import android.os.RemoteException; 224 import android.os.ResultReceiver; 225 import android.os.SELinux; 226 import android.os.ServiceManager; 227 import android.os.ShellCallback; 228 import android.os.SystemClock; 229 import android.os.SystemProperties; 230 import android.os.Trace; 231 import android.os.UserHandle; 232 import android.os.UserManager; 233 import android.os.UserManagerInternal; 234 import android.os.storage.IStorageManager; 235 import android.os.storage.StorageEventListener; 236 import android.os.storage.StorageManager; 237 import android.os.storage.StorageManagerInternal; 238 import android.os.storage.VolumeInfo; 239 import android.os.storage.VolumeRecord; 240 import android.provider.Settings.Global; 241 import android.provider.Settings.Secure; 242 import android.security.KeyStore; 243 import android.security.SystemKeyStore; 244 import android.service.pm.PackageServiceDumpProto; 245 import android.system.ErrnoException; 246 import android.system.Os; 247 import android.text.TextUtils; 248 import android.text.format.DateUtils; 249 import android.util.ArrayMap; 250 import android.util.ArraySet; 251 import android.util.Base64; 252 import android.util.ByteStringUtils; 253 import android.util.DisplayMetrics; 254 import android.util.EventLog; 255 import android.util.ExceptionUtils; 256 import android.util.Log; 257 import android.util.LogPrinter; 258 import android.util.LongSparseArray; 259 import android.util.LongSparseLongArray; 260 import android.util.MathUtils; 261 import android.util.PackageUtils; 262 import android.util.Pair; 263 import android.util.PrintStreamPrinter; 264 import android.util.Slog; 265 import android.util.SparseArray; 266 import android.util.SparseBooleanArray; 267 import android.util.SparseIntArray; 268 import android.util.TimingsTraceLog; 269 import android.util.Xml; 270 import android.util.jar.StrictJarFile; 271 import android.util.proto.ProtoOutputStream; 272 import android.view.Display; 273 274 import com.android.internal.R; 275 import com.android.internal.annotations.GuardedBy; 276 import com.android.internal.app.IMediaContainerService; 277 import com.android.internal.app.ResolverActivity; 278 import com.android.internal.content.NativeLibraryHelper; 279 import com.android.internal.content.PackageHelper; 280 import com.android.internal.logging.MetricsLogger; 281 import com.android.internal.os.IParcelFileDescriptorFactory; 282 import com.android.internal.os.SomeArgs; 283 import com.android.internal.os.Zygote; 284 import com.android.internal.telephony.CarrierAppUtils; 285 import com.android.internal.util.ArrayUtils; 286 import com.android.internal.util.ConcurrentUtils; 287 import com.android.internal.util.DumpUtils; 288 import com.android.internal.util.FastXmlSerializer; 289 import com.android.internal.util.IndentingPrintWriter; 290 import com.android.internal.util.Preconditions; 291 import com.android.internal.util.XmlUtils; 292 import com.android.server.AttributeCache; 293 import com.android.server.DeviceIdleController; 294 import com.android.server.EventLogTags; 295 import com.android.server.FgThread; 296 import com.android.server.IntentResolver; 297 import com.android.server.LocalServices; 298 import com.android.server.LockGuard; 299 import com.android.server.ServiceThread; 300 import com.android.server.SystemConfig; 301 import com.android.server.SystemServerInitThreadPool; 302 import com.android.server.Watchdog; 303 import com.android.server.net.NetworkPolicyManagerInternal; 304 import com.android.server.pm.Installer.InstallerException; 305 import com.android.server.pm.Settings.DatabaseVersion; 306 import com.android.server.pm.Settings.VersionInfo; 307 import com.android.server.pm.dex.ArtManagerService; 308 import com.android.server.pm.dex.DexLogger; 309 import com.android.server.pm.dex.DexManager; 310 import com.android.server.pm.dex.DexoptOptions; 311 import com.android.server.pm.dex.PackageDexUsage; 312 import com.android.server.pm.permission.BasePermission; 313 import com.android.server.pm.permission.DefaultPermissionGrantPolicy; 314 import com.android.server.pm.permission.DefaultPermissionGrantPolicy.DefaultPermissionGrantedCallback; 315 import com.android.server.pm.permission.PermissionManagerInternal; 316 import com.android.server.pm.permission.PermissionManagerInternal.PermissionCallback; 317 import com.android.server.pm.permission.PermissionManagerService; 318 import com.android.server.pm.permission.PermissionsState; 319 import com.android.server.pm.permission.PermissionsState.PermissionState; 320 import com.android.server.security.VerityUtils; 321 import com.android.server.storage.DeviceStorageMonitorInternal; 322 323 import dalvik.system.CloseGuard; 324 import dalvik.system.VMRuntime; 325 326 import libcore.io.IoUtils; 327 328 import org.xmlpull.v1.XmlPullParser; 329 import org.xmlpull.v1.XmlPullParserException; 330 import org.xmlpull.v1.XmlSerializer; 331 332 import java.io.BufferedOutputStream; 333 import java.io.ByteArrayInputStream; 334 import java.io.ByteArrayOutputStream; 335 import java.io.File; 336 import java.io.FileDescriptor; 337 import java.io.FileInputStream; 338 import java.io.FileOutputStream; 339 import java.io.FilenameFilter; 340 import java.io.IOException; 341 import java.io.PrintWriter; 342 import java.lang.annotation.Retention; 343 import java.lang.annotation.RetentionPolicy; 344 import java.nio.charset.StandardCharsets; 345 import java.security.DigestException; 346 import java.security.DigestInputStream; 347 import java.security.MessageDigest; 348 import java.security.NoSuchAlgorithmException; 349 import java.security.PublicKey; 350 import java.security.SecureRandom; 351 import java.security.cert.CertificateException; 352 import java.util.ArrayList; 353 import java.util.Arrays; 354 import java.util.Collection; 355 import java.util.Collections; 356 import java.util.Comparator; 357 import java.util.HashMap; 358 import java.util.HashSet; 359 import java.util.Iterator; 360 import java.util.LinkedHashSet; 361 import java.util.List; 362 import java.util.Map; 363 import java.util.Objects; 364 import java.util.Set; 365 import java.util.concurrent.CountDownLatch; 366 import java.util.concurrent.Future; 367 import java.util.concurrent.TimeUnit; 368 import java.util.concurrent.atomic.AtomicBoolean; 369 import java.util.concurrent.atomic.AtomicInteger; 370 import java.util.function.Predicate; 371 372 /** 373 * Keep track of all those APKs everywhere. 374 * <p> 375 * Internally there are two important locks: 376 * <ul> 377 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 378 * and other related state. It is a fine-grained lock that should only be held 379 * momentarily, as it's one of the most contended locks in the system. 380 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 381 * operations typically involve heavy lifting of application data on disk. Since 382 * {@code installd} is single-threaded, and it's operations can often be slow, 383 * this lock should never be acquired while already holding {@link #mPackages}. 384 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 385 * holding {@link #mInstallLock}. 386 * </ul> 387 * Many internal methods rely on the caller to hold the appropriate locks, and 388 * this contract is expressed through method name suffixes: 389 * <ul> 390 * <li>fooLI(): the caller must hold {@link #mInstallLock} 391 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 392 * being modified must be frozen 393 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 394 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 395 * </ul> 396 * <p> 397 * Because this class is very central to the platform's security; please run all 398 * CTS and unit tests whenever making modifications: 399 * 400 * <pre> 401 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 402 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 403 * </pre> 404 */ 405 public class PackageManagerService extends IPackageManager.Stub 406 implements PackageSender { 407 static final String TAG = "PackageManager"; 408 public static final boolean DEBUG_SETTINGS = false; 409 static final boolean DEBUG_PREFERRED = false; 410 static final boolean DEBUG_UPGRADE = false; 411 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 412 private static final boolean DEBUG_BACKUP = false; 413 public static final boolean DEBUG_INSTALL = false; 414 public static final boolean DEBUG_REMOVE = false; 415 private static final boolean DEBUG_BROADCASTS = false; 416 private static final boolean DEBUG_SHOW_INFO = false; 417 private static final boolean DEBUG_PACKAGE_INFO = false; 418 private static final boolean DEBUG_INTENT_MATCHING = false; 419 public static final boolean DEBUG_PACKAGE_SCANNING = false; 420 private static final boolean DEBUG_VERIFY = false; 421 private static final boolean DEBUG_FILTERS = false; 422 public static final boolean DEBUG_PERMISSIONS = false; 423 private static final boolean DEBUG_SHARED_LIBRARIES = false; 424 public static final boolean DEBUG_COMPRESSION = Build.IS_DEBUGGABLE; 425 426 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 427 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 428 // user, but by default initialize to this. 429 public static final boolean DEBUG_DEXOPT = false; 430 431 private static final boolean DEBUG_ABI_SELECTION = false; 432 private static final boolean DEBUG_INSTANT = Build.IS_DEBUGGABLE; 433 private static final boolean DEBUG_TRIAGED_MISSING = false; 434 private static final boolean DEBUG_APP_DATA = false; 435 436 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 437 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 438 439 private static final boolean HIDE_EPHEMERAL_APIS = false; 440 441 private static final boolean ENABLE_FREE_CACHE_V2 = 442 SystemProperties.getBoolean("fw.free_cache_v2", true); 443 444 private static final int RADIO_UID = Process.PHONE_UID; 445 private static final int LOG_UID = Process.LOG_UID; 446 private static final int NFC_UID = Process.NFC_UID; 447 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 448 private static final int SHELL_UID = Process.SHELL_UID; 449 private static final int SE_UID = Process.SE_UID; 450 451 // Suffix used during package installation when copying/moving 452 // package apks to install directory. 453 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 454 455 static final int SCAN_NO_DEX = 1<<0; 456 static final int SCAN_UPDATE_SIGNATURE = 1<<1; 457 static final int SCAN_NEW_INSTALL = 1<<2; 458 static final int SCAN_UPDATE_TIME = 1<<3; 459 static final int SCAN_BOOTING = 1<<4; 460 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<6; 461 static final int SCAN_REQUIRE_KNOWN = 1<<7; 462 static final int SCAN_MOVE = 1<<8; 463 static final int SCAN_INITIAL = 1<<9; 464 static final int SCAN_CHECK_ONLY = 1<<10; 465 static final int SCAN_DONT_KILL_APP = 1<<11; 466 static final int SCAN_IGNORE_FROZEN = 1<<12; 467 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<13; 468 static final int SCAN_AS_INSTANT_APP = 1<<14; 469 static final int SCAN_AS_FULL_APP = 1<<15; 470 static final int SCAN_AS_VIRTUAL_PRELOAD = 1<<16; 471 static final int SCAN_AS_SYSTEM = 1<<17; 472 static final int SCAN_AS_PRIVILEGED = 1<<18; 473 static final int SCAN_AS_OEM = 1<<19; 474 static final int SCAN_AS_VENDOR = 1<<20; 475 static final int SCAN_AS_PRODUCT = 1<<21; 476 477 @IntDef(flag = true, prefix = { "SCAN_" }, value = { 478 SCAN_NO_DEX, 479 SCAN_UPDATE_SIGNATURE, 480 SCAN_NEW_INSTALL, 481 SCAN_UPDATE_TIME, 482 SCAN_BOOTING, 483 SCAN_DELETE_DATA_ON_FAILURES, 484 SCAN_REQUIRE_KNOWN, 485 SCAN_MOVE, 486 SCAN_INITIAL, 487 SCAN_CHECK_ONLY, 488 SCAN_DONT_KILL_APP, 489 SCAN_IGNORE_FROZEN, 490 SCAN_FIRST_BOOT_OR_UPGRADE, 491 SCAN_AS_INSTANT_APP, 492 SCAN_AS_FULL_APP, 493 SCAN_AS_VIRTUAL_PRELOAD, 494 }) 495 @Retention(RetentionPolicy.SOURCE) 496 public @interface ScanFlags {} 497 498 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 499 /** Extension of the compressed packages */ 500 public final static String COMPRESSED_EXTENSION = ".gz"; 501 /** Suffix of stub packages on the system partition */ 502 public final static String STUB_SUFFIX = "-Stub"; 503 504 private static final int[] EMPTY_INT_ARRAY = new int[0]; 505 506 private static final int TYPE_UNKNOWN = 0; 507 private static final int TYPE_ACTIVITY = 1; 508 private static final int TYPE_RECEIVER = 2; 509 private static final int TYPE_SERVICE = 3; 510 private static final int TYPE_PROVIDER = 4; 511 @IntDef(prefix = { "TYPE_" }, value = { 512 TYPE_UNKNOWN, 513 TYPE_ACTIVITY, 514 TYPE_RECEIVER, 515 TYPE_SERVICE, 516 TYPE_PROVIDER, 517 }) 518 @Retention(RetentionPolicy.SOURCE) 519 public @interface ComponentType {} 520 521 /** 522 * Timeout (in milliseconds) after which the watchdog should declare that 523 * our handler thread is wedged. The usual default for such things is one 524 * minute but we sometimes do very lengthy I/O operations on this thread, 525 * such as installing multi-gigabyte applications, so ours needs to be longer. 526 */ 527 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 528 529 /** 530 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 531 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 532 * settings entry if available, otherwise we use the hardcoded default. If it's been 533 * more than this long since the last fstrim, we force one during the boot sequence. 534 * 535 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 536 * one gets run at the next available charging+idle time. This final mandatory 537 * no-fstrim check kicks in only of the other scheduling criteria is never met. 538 */ 539 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 540 541 /** 542 * Whether verification is enabled by default. 543 */ 544 private static final boolean DEFAULT_VERIFY_ENABLE = true; 545 546 /** 547 * The default maximum time to wait for the verification agent to return in 548 * milliseconds. 549 */ 550 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 551 552 /** 553 * The default response for package verification timeout. 554 * 555 * This can be either PackageManager.VERIFICATION_ALLOW or 556 * PackageManager.VERIFICATION_REJECT. 557 */ 558 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 559 560 public static final String PLATFORM_PACKAGE_NAME = "android"; 561 562 public static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 563 564 public static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 565 DEFAULT_CONTAINER_PACKAGE, 566 "com.android.defcontainer.DefaultContainerService"); 567 568 private static final String KILL_APP_REASON_GIDS_CHANGED = 569 "permission grant or revoke changed gids"; 570 571 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 572 "permissions revoked"; 573 574 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 575 576 private static final String PACKAGE_SCHEME = "package"; 577 578 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 579 580 private static final String PRODUCT_OVERLAY_DIR = "/product/overlay"; 581 582 /** Canonical intent used to identify what counts as a "web browser" app */ 583 private static final Intent sBrowserIntent; 584 static { 585 sBrowserIntent = new Intent(); 586 sBrowserIntent.setAction(Intent.ACTION_VIEW); 587 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 588 sBrowserIntent.setData(Uri.parse("http:")); 589 sBrowserIntent.addFlags(Intent.FLAG_IGNORE_EPHEMERAL); 590 } 591 592 /** 593 * The set of all protected actions [i.e. those actions for which a high priority 594 * intent filter is disallowed]. 595 */ 596 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 597 static { 598 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 599 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 600 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 601 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 602 } 603 604 // Compilation reasons. 605 public static final int REASON_UNKNOWN = -1; 606 public static final int REASON_FIRST_BOOT = 0; 607 public static final int REASON_BOOT = 1; 608 public static final int REASON_INSTALL = 2; 609 public static final int REASON_BACKGROUND_DEXOPT = 3; 610 public static final int REASON_AB_OTA = 4; 611 public static final int REASON_INACTIVE_PACKAGE_DOWNGRADE = 5; 612 public static final int REASON_SHARED = 6; 613 614 public static final int REASON_LAST = REASON_SHARED; 615 616 /** 617 * Version number for the package parser cache. Increment this whenever the format or 618 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 619 */ 620 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 621 622 /** 623 * Whether the package parser cache is enabled. 624 */ 625 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 626 627 /** 628 * Permissions required in order to receive instant application lifecycle broadcasts. 629 */ 630 private static final String[] INSTANT_APP_BROADCAST_PERMISSION = 631 new String[] { android.Manifest.permission.ACCESS_INSTANT_APPS }; 632 633 final ServiceThread mHandlerThread; 634 635 final PackageHandler mHandler; 636 637 private final ProcessLoggingHandler mProcessLoggingHandler; 638 639 /** 640 * Messages for {@link #mHandler} that need to wait for system ready before 641 * being dispatched. 642 */ 643 private ArrayList<Message> mPostSystemReadyMessages; 644 645 final int mSdkVersion = Build.VERSION.SDK_INT; 646 647 final Context mContext; 648 final boolean mFactoryTest; 649 final boolean mOnlyCore; 650 final DisplayMetrics mMetrics; 651 final int mDefParseFlags; 652 final String[] mSeparateProcesses; 653 final boolean mIsUpgrade; 654 final boolean mIsPreNUpgrade; 655 final boolean mIsPreNMR1Upgrade; 656 657 // Have we told the Activity Manager to whitelist the default container service by uid yet? 658 @GuardedBy("mPackages") 659 boolean mDefaultContainerWhitelisted = false; 660 661 @GuardedBy("mPackages") 662 private boolean mDexOptDialogShown; 663 664 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 665 // LOCK HELD. Can be called with mInstallLock held. 666 @GuardedBy("mInstallLock") 667 final Installer mInstaller; 668 669 /** Directory where installed applications are stored */ 670 private static final File sAppInstallDir = 671 new File(Environment.getDataDirectory(), "app"); 672 /** Directory where installed application's 32-bit native libraries are copied. */ 673 private static final File sAppLib32InstallDir = 674 new File(Environment.getDataDirectory(), "app-lib"); 675 /** Directory where code and non-resource assets of forward-locked applications are stored */ 676 private static final File sDrmAppPrivateInstallDir = 677 new File(Environment.getDataDirectory(), "app-private"); 678 679 // ---------------------------------------------------------------- 680 681 // Lock for state used when installing and doing other long running 682 // operations. Methods that must be called with this lock held have 683 // the suffix "LI". 684 final Object mInstallLock = new Object(); 685 686 // ---------------------------------------------------------------- 687 688 // Keys are String (package name), values are Package. This also serves 689 // as the lock for the global state. Methods that must be called with 690 // this lock held have the prefix "LP". 691 @GuardedBy("mPackages") 692 final ArrayMap<String, PackageParser.Package> mPackages = 693 new ArrayMap<String, PackageParser.Package>(); 694 695 final ArrayMap<String, Set<String>> mKnownCodebase = 696 new ArrayMap<String, Set<String>>(); 697 698 // Keys are isolated uids and values are the uid of the application 699 // that created the isolated proccess. 700 @GuardedBy("mPackages") 701 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 702 703 /** 704 * Tracks new system packages [received in an OTA] that we expect to 705 * find updated user-installed versions. Keys are package name, values 706 * are package location. 707 */ 708 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 709 /** 710 * Tracks high priority intent filters for protected actions. During boot, certain 711 * filter actions are protected and should never be allowed to have a high priority 712 * intent filter for them. However, there is one, and only one exception -- the 713 * setup wizard. It must be able to define a high priority intent filter for these 714 * actions to ensure there are no escapes from the wizard. We need to delay processing 715 * of these during boot as we need to look at all of the system packages in order 716 * to know which component is the setup wizard. 717 */ 718 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 719 /** 720 * Whether or not processing protected filters should be deferred. 721 */ 722 private boolean mDeferProtectedFilters = true; 723 724 /** 725 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 726 */ 727 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 728 /** 729 * Whether or not system app permissions should be promoted from install to runtime. 730 */ 731 boolean mPromoteSystemApps; 732 733 @GuardedBy("mPackages") 734 final Settings mSettings; 735 736 /** 737 * Set of package names that are currently "frozen", which means active 738 * surgery is being done on the code/data for that package. The platform 739 * will refuse to launch frozen packages to avoid race conditions. 740 * 741 * @see PackageFreezer 742 */ 743 @GuardedBy("mPackages") 744 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 745 746 final ProtectedPackages mProtectedPackages; 747 748 @GuardedBy("mLoadedVolumes") 749 final ArraySet<String> mLoadedVolumes = new ArraySet<>(); 750 751 boolean mFirstBoot; 752 753 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 754 755 @GuardedBy("mAvailableFeatures") 756 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 757 758 private final InstantAppRegistry mInstantAppRegistry; 759 760 @GuardedBy("mPackages") 761 int mChangedPackagesSequenceNumber; 762 /** 763 * List of changed [installed, removed or updated] packages. 764 * mapping from user id -> sequence number -> package name 765 */ 766 @GuardedBy("mPackages") 767 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 768 /** 769 * The sequence number of the last change to a package. 770 * mapping from user id -> package name -> sequence number 771 */ 772 @GuardedBy("mPackages") 773 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 774 775 @GuardedBy("mPackages") 776 final private ArraySet<PackageListObserver> mPackageListObservers = new ArraySet<>(); 777 778 class PackageParserCallback implements PackageParser.Callback { 779 @Override public final boolean hasFeature(String feature) { 780 return PackageManagerService.this.hasSystemFeature(feature, 0); 781 } 782 783 final List<PackageParser.Package> getStaticOverlayPackages( 784 Collection<PackageParser.Package> allPackages, String targetPackageName) { 785 if ("android".equals(targetPackageName)) { 786 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 787 // native AssetManager. 788 return null; 789 } 790 791 List<PackageParser.Package> overlayPackages = null; 792 for (PackageParser.Package p : allPackages) { 793 if (targetPackageName.equals(p.mOverlayTarget) && p.mOverlayIsStatic) { 794 if (overlayPackages == null) { 795 overlayPackages = new ArrayList<PackageParser.Package>(); 796 } 797 overlayPackages.add(p); 798 } 799 } 800 if (overlayPackages != null) { 801 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 802 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 803 return p1.mOverlayPriority - p2.mOverlayPriority; 804 } 805 }; 806 Collections.sort(overlayPackages, cmp); 807 } 808 return overlayPackages; 809 } 810 811 final String[] getStaticOverlayPaths(List<PackageParser.Package> overlayPackages, 812 String targetPath) { 813 if (overlayPackages == null || overlayPackages.isEmpty()) { 814 return null; 815 } 816 List<String> overlayPathList = null; 817 for (PackageParser.Package overlayPackage : overlayPackages) { 818 if (targetPath == null) { 819 if (overlayPathList == null) { 820 overlayPathList = new ArrayList<String>(); 821 } 822 overlayPathList.add(overlayPackage.baseCodePath); 823 continue; 824 } 825 826 try { 827 // Creates idmaps for system to parse correctly the Android manifest of the 828 // target package. 829 // 830 // OverlayManagerService will update each of them with a correct gid from its 831 // target package app id. 832 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 833 UserHandle.getSharedAppGid( 834 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 835 if (overlayPathList == null) { 836 overlayPathList = new ArrayList<String>(); 837 } 838 overlayPathList.add(overlayPackage.baseCodePath); 839 } catch (InstallerException e) { 840 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 841 overlayPackage.baseCodePath); 842 } 843 } 844 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 845 } 846 847 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 848 List<PackageParser.Package> overlayPackages; 849 synchronized (mInstallLock) { 850 synchronized (mPackages) { 851 overlayPackages = getStaticOverlayPackages( 852 mPackages.values(), targetPackageName); 853 } 854 // It is safe to keep overlayPackages without holding mPackages because static overlay 855 // packages can't be uninstalled or disabled. 856 return getStaticOverlayPaths(overlayPackages, targetPath); 857 } 858 } 859 860 @Override public final String[] getOverlayApks(String targetPackageName) { 861 return getStaticOverlayPaths(targetPackageName, null); 862 } 863 864 @Override public final String[] getOverlayPaths(String targetPackageName, 865 String targetPath) { 866 return getStaticOverlayPaths(targetPackageName, targetPath); 867 } 868 } 869 870 class ParallelPackageParserCallback extends PackageParserCallback { 871 List<PackageParser.Package> mOverlayPackages = null; 872 873 void findStaticOverlayPackages() { 874 synchronized (mPackages) { 875 for (PackageParser.Package p : mPackages.values()) { 876 if (p.mOverlayIsStatic) { 877 if (mOverlayPackages == null) { 878 mOverlayPackages = new ArrayList<PackageParser.Package>(); 879 } 880 mOverlayPackages.add(p); 881 } 882 } 883 } 884 } 885 886 @Override 887 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 888 // We can trust mOverlayPackages without holding mPackages because package uninstall 889 // can't happen while running parallel parsing. 890 // And we can call mInstaller inside getStaticOverlayPaths without holding mInstallLock 891 // because mInstallLock is held before running parallel parsing. 892 // Moreover holding mPackages or mInstallLock on each parsing thread causes dead-lock. 893 return mOverlayPackages == null ? null : 894 getStaticOverlayPaths( 895 getStaticOverlayPackages(mOverlayPackages, targetPackageName), 896 targetPath); 897 } 898 } 899 900 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 901 final ParallelPackageParserCallback mParallelPackageParserCallback = 902 new ParallelPackageParserCallback(); 903 904 public static final class SharedLibraryEntry { 905 public final @Nullable String path; 906 public final @Nullable String apk; 907 public final @NonNull SharedLibraryInfo info; 908 909 SharedLibraryEntry(String _path, String _apk, String name, long version, int type, 910 String declaringPackageName, long declaringPackageVersionCode) { 911 path = _path; 912 apk = _apk; 913 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 914 declaringPackageName, declaringPackageVersionCode), null); 915 } 916 } 917 918 // Currently known shared libraries. 919 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 920 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 921 new ArrayMap<>(); 922 923 // All available activities, for your resolving pleasure. 924 final ActivityIntentResolver mActivities = 925 new ActivityIntentResolver(); 926 927 // All available receivers, for your resolving pleasure. 928 final ActivityIntentResolver mReceivers = 929 new ActivityIntentResolver(); 930 931 // All available services, for your resolving pleasure. 932 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 933 934 // All available providers, for your resolving pleasure. 935 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 936 937 // Mapping from provider base names (first directory in content URI codePath) 938 // to the provider information. 939 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 940 new ArrayMap<String, PackageParser.Provider>(); 941 942 // Mapping from instrumentation class names to info about them. 943 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 944 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 945 946 // Packages whose data we have transfered into another package, thus 947 // should no longer exist. 948 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 949 950 // Broadcast actions that are only available to the system. 951 @GuardedBy("mProtectedBroadcasts") 952 final ArraySet<String> mProtectedBroadcasts = new ArraySet<>(); 953 954 /** List of packages waiting for verification. */ 955 final SparseArray<PackageVerificationState> mPendingVerification 956 = new SparseArray<PackageVerificationState>(); 957 958 final PackageInstallerService mInstallerService; 959 960 final ArtManagerService mArtManagerService; 961 962 private final PackageDexOptimizer mPackageDexOptimizer; 963 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 964 // is used by other apps). 965 private final DexManager mDexManager; 966 967 private AtomicInteger mNextMoveId = new AtomicInteger(); 968 private final MoveCallbacks mMoveCallbacks; 969 970 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 971 972 // Cache of users who need badging. 973 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 974 975 /** Token for keys in mPendingVerification. */ 976 private int mPendingVerificationToken = 0; 977 978 volatile boolean mSystemReady; 979 volatile boolean mSafeMode; 980 volatile boolean mHasSystemUidErrors; 981 private volatile boolean mWebInstantAppsDisabled; 982 983 ApplicationInfo mAndroidApplication; 984 final ActivityInfo mResolveActivity = new ActivityInfo(); 985 final ResolveInfo mResolveInfo = new ResolveInfo(); 986 ComponentName mResolveComponentName; 987 PackageParser.Package mPlatformPackage; 988 ComponentName mCustomResolverComponentName; 989 990 boolean mResolverReplaced = false; 991 992 private final @Nullable ComponentName mIntentFilterVerifierComponent; 993 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 994 995 private int mIntentFilterVerificationToken = 0; 996 997 /** The service connection to the ephemeral resolver */ 998 final InstantAppResolverConnection mInstantAppResolverConnection; 999 /** Component used to show resolver settings for Instant Apps */ 1000 final ComponentName mInstantAppResolverSettingsComponent; 1001 1002 /** Activity used to install instant applications */ 1003 ActivityInfo mInstantAppInstallerActivity; 1004 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 1005 1006 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 1007 = new SparseArray<IntentFilterVerificationState>(); 1008 1009 // TODO remove this and go through mPermissonManager directly 1010 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 1011 private final PermissionManagerInternal mPermissionManager; 1012 1013 // List of packages names to keep cached, even if they are uninstalled for all users 1014 private List<String> mKeepUninstalledPackages; 1015 1016 private UserManagerInternal mUserManagerInternal; 1017 private ActivityManagerInternal mActivityManagerInternal; 1018 1019 private DeviceIdleController.LocalService mDeviceIdleController; 1020 1021 private File mCacheDir; 1022 1023 private Future<?> mPrepareAppDataFuture; 1024 1025 private static class IFVerificationParams { 1026 PackageParser.Package pkg; 1027 boolean replacing; 1028 int userId; 1029 int verifierUid; 1030 1031 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 1032 int _userId, int _verifierUid) { 1033 pkg = _pkg; 1034 replacing = _replacing; 1035 userId = _userId; 1036 replacing = _replacing; 1037 verifierUid = _verifierUid; 1038 } 1039 } 1040 1041 private interface IntentFilterVerifier<T extends IntentFilter> { 1042 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1043 T filter, String packageName); 1044 void startVerifications(int userId); 1045 void receiveVerificationResponse(int verificationId); 1046 } 1047 1048 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1049 private Context mContext; 1050 private ComponentName mIntentFilterVerifierComponent; 1051 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1052 1053 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1054 mContext = context; 1055 mIntentFilterVerifierComponent = verifierComponent; 1056 } 1057 1058 private String getDefaultScheme() { 1059 return IntentFilter.SCHEME_HTTPS; 1060 } 1061 1062 @Override 1063 public void startVerifications(int userId) { 1064 // Launch verifications requests 1065 int count = mCurrentIntentFilterVerifications.size(); 1066 for (int n=0; n<count; n++) { 1067 int verificationId = mCurrentIntentFilterVerifications.get(n); 1068 final IntentFilterVerificationState ivs = 1069 mIntentFilterVerificationStates.get(verificationId); 1070 1071 String packageName = ivs.getPackageName(); 1072 1073 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1074 final int filterCount = filters.size(); 1075 ArraySet<String> domainsSet = new ArraySet<>(); 1076 for (int m=0; m<filterCount; m++) { 1077 PackageParser.ActivityIntentInfo filter = filters.get(m); 1078 domainsSet.addAll(filter.getHostsList()); 1079 } 1080 synchronized (mPackages) { 1081 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1082 packageName, domainsSet) != null) { 1083 scheduleWriteSettingsLocked(); 1084 } 1085 } 1086 sendVerificationRequest(verificationId, ivs); 1087 } 1088 mCurrentIntentFilterVerifications.clear(); 1089 } 1090 1091 private void sendVerificationRequest(int verificationId, IntentFilterVerificationState ivs) { 1092 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1093 verificationIntent.putExtra( 1094 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1095 verificationId); 1096 verificationIntent.putExtra( 1097 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1098 getDefaultScheme()); 1099 verificationIntent.putExtra( 1100 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1101 ivs.getHostsString()); 1102 verificationIntent.putExtra( 1103 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1104 ivs.getPackageName()); 1105 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1106 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1107 1108 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1109 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1110 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1111 UserHandle.USER_SYSTEM, true, "intent filter verifier"); 1112 1113 mContext.sendBroadcastAsUser(verificationIntent, UserHandle.SYSTEM); 1114 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1115 "Sending IntentFilter verification broadcast"); 1116 } 1117 1118 public void receiveVerificationResponse(int verificationId) { 1119 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1120 1121 final boolean verified = ivs.isVerified(); 1122 1123 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1124 final int count = filters.size(); 1125 if (DEBUG_DOMAIN_VERIFICATION) { 1126 Slog.i(TAG, "Received verification response " + verificationId 1127 + " for " + count + " filters, verified=" + verified); 1128 } 1129 for (int n=0; n<count; n++) { 1130 PackageParser.ActivityIntentInfo filter = filters.get(n); 1131 filter.setVerified(verified); 1132 1133 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1134 + " verified with result:" + verified + " and hosts:" 1135 + ivs.getHostsString()); 1136 } 1137 1138 mIntentFilterVerificationStates.remove(verificationId); 1139 1140 final String packageName = ivs.getPackageName(); 1141 IntentFilterVerificationInfo ivi = null; 1142 1143 synchronized (mPackages) { 1144 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1145 } 1146 if (ivi == null) { 1147 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1148 + verificationId + " packageName:" + packageName); 1149 return; 1150 } 1151 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1152 "Updating IntentFilterVerificationInfo for package " + packageName 1153 +" verificationId:" + verificationId); 1154 1155 synchronized (mPackages) { 1156 if (verified) { 1157 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1158 } else { 1159 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1160 } 1161 scheduleWriteSettingsLocked(); 1162 1163 final int userId = ivs.getUserId(); 1164 if (userId != UserHandle.USER_ALL) { 1165 final int userStatus = 1166 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1167 1168 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1169 boolean needUpdate = false; 1170 1171 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1172 // already been set by the User thru the Disambiguation dialog 1173 switch (userStatus) { 1174 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1175 if (verified) { 1176 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1177 } else { 1178 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1179 } 1180 needUpdate = true; 1181 break; 1182 1183 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1184 if (verified) { 1185 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1186 needUpdate = true; 1187 } 1188 break; 1189 1190 default: 1191 // Nothing to do 1192 } 1193 1194 if (needUpdate) { 1195 mSettings.updateIntentFilterVerificationStatusLPw( 1196 packageName, updatedStatus, userId); 1197 scheduleWritePackageRestrictionsLocked(userId); 1198 } 1199 } 1200 } 1201 } 1202 1203 @Override 1204 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1205 ActivityIntentInfo filter, String packageName) { 1206 if (!hasValidDomains(filter)) { 1207 return false; 1208 } 1209 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1210 if (ivs == null) { 1211 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1212 packageName); 1213 } 1214 if (DEBUG_DOMAIN_VERIFICATION) { 1215 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1216 } 1217 ivs.addFilter(filter); 1218 return true; 1219 } 1220 1221 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1222 int userId, int verificationId, String packageName) { 1223 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1224 verifierUid, userId, packageName); 1225 ivs.setPendingState(); 1226 synchronized (mPackages) { 1227 mIntentFilterVerificationStates.append(verificationId, ivs); 1228 mCurrentIntentFilterVerifications.add(verificationId); 1229 } 1230 return ivs; 1231 } 1232 } 1233 1234 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1235 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1236 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1237 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1238 } 1239 1240 // Set of pending broadcasts for aggregating enable/disable of components. 1241 static class PendingPackageBroadcasts { 1242 // for each user id, a map of <package name -> components within that package> 1243 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1244 1245 public PendingPackageBroadcasts() { 1246 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1247 } 1248 1249 public ArrayList<String> get(int userId, String packageName) { 1250 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1251 return packages.get(packageName); 1252 } 1253 1254 public void put(int userId, String packageName, ArrayList<String> components) { 1255 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1256 packages.put(packageName, components); 1257 } 1258 1259 public void remove(int userId, String packageName) { 1260 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1261 if (packages != null) { 1262 packages.remove(packageName); 1263 } 1264 } 1265 1266 public void remove(int userId) { 1267 mUidMap.remove(userId); 1268 } 1269 1270 public int userIdCount() { 1271 return mUidMap.size(); 1272 } 1273 1274 public int userIdAt(int n) { 1275 return mUidMap.keyAt(n); 1276 } 1277 1278 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1279 return mUidMap.get(userId); 1280 } 1281 1282 public int size() { 1283 // total number of pending broadcast entries across all userIds 1284 int num = 0; 1285 for (int i = 0; i< mUidMap.size(); i++) { 1286 num += mUidMap.valueAt(i).size(); 1287 } 1288 return num; 1289 } 1290 1291 public void clear() { 1292 mUidMap.clear(); 1293 } 1294 1295 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1296 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1297 if (map == null) { 1298 map = new ArrayMap<String, ArrayList<String>>(); 1299 mUidMap.put(userId, map); 1300 } 1301 return map; 1302 } 1303 } 1304 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1305 1306 // Service Connection to remote media container service to copy 1307 // package uri's from external media onto secure containers 1308 // or internal storage. 1309 private IMediaContainerService mContainerService = null; 1310 1311 static final int SEND_PENDING_BROADCAST = 1; 1312 static final int MCS_BOUND = 3; 1313 static final int END_COPY = 4; 1314 static final int INIT_COPY = 5; 1315 static final int MCS_UNBIND = 6; 1316 static final int START_CLEANING_PACKAGE = 7; 1317 static final int FIND_INSTALL_LOC = 8; 1318 static final int POST_INSTALL = 9; 1319 static final int MCS_RECONNECT = 10; 1320 static final int MCS_GIVE_UP = 11; 1321 static final int WRITE_SETTINGS = 13; 1322 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1323 static final int PACKAGE_VERIFIED = 15; 1324 static final int CHECK_PENDING_VERIFICATION = 16; 1325 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1326 static final int INTENT_FILTER_VERIFIED = 18; 1327 static final int WRITE_PACKAGE_LIST = 19; 1328 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1329 static final int DEF_CONTAINER_BIND = 21; 1330 1331 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1332 1333 // Delay time in millisecs 1334 static final int BROADCAST_DELAY = 10 * 1000; 1335 1336 private static final long DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD = 1337 2 * 60 * 60 * 1000L; /* two hours */ 1338 1339 static UserManagerService sUserManager; 1340 1341 // Stores a list of users whose package restrictions file needs to be updated 1342 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1343 1344 final private DefaultContainerConnection mDefContainerConn = 1345 new DefaultContainerConnection(); 1346 class DefaultContainerConnection implements ServiceConnection { 1347 public void onServiceConnected(ComponentName name, IBinder service) { 1348 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1349 final IMediaContainerService imcs = IMediaContainerService.Stub 1350 .asInterface(Binder.allowBlocking(service)); 1351 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1352 } 1353 1354 public void onServiceDisconnected(ComponentName name) { 1355 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1356 } 1357 } 1358 1359 // Recordkeeping of restore-after-install operations that are currently in flight 1360 // between the Package Manager and the Backup Manager 1361 static class PostInstallData { 1362 public InstallArgs args; 1363 public PackageInstalledInfo res; 1364 1365 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1366 args = _a; 1367 res = _r; 1368 } 1369 } 1370 1371 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1372 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1373 1374 // XML tags for backup/restore of various bits of state 1375 private static final String TAG_PREFERRED_BACKUP = "pa"; 1376 private static final String TAG_DEFAULT_APPS = "da"; 1377 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1378 1379 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1380 private static final String TAG_ALL_GRANTS = "rt-grants"; 1381 private static final String TAG_GRANT = "grant"; 1382 private static final String ATTR_PACKAGE_NAME = "pkg"; 1383 1384 private static final String TAG_PERMISSION = "perm"; 1385 private static final String ATTR_PERMISSION_NAME = "name"; 1386 private static final String ATTR_IS_GRANTED = "g"; 1387 private static final String ATTR_USER_SET = "set"; 1388 private static final String ATTR_USER_FIXED = "fixed"; 1389 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1390 1391 // System/policy permission grants are not backed up 1392 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1393 FLAG_PERMISSION_POLICY_FIXED 1394 | FLAG_PERMISSION_SYSTEM_FIXED 1395 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1396 1397 // And we back up these user-adjusted states 1398 private static final int USER_RUNTIME_GRANT_MASK = 1399 FLAG_PERMISSION_USER_SET 1400 | FLAG_PERMISSION_USER_FIXED 1401 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1402 1403 final @Nullable String mRequiredVerifierPackage; 1404 final @NonNull String mRequiredInstallerPackage; 1405 final @NonNull String mRequiredUninstallerPackage; 1406 final @Nullable String mSetupWizardPackage; 1407 final @Nullable String mStorageManagerPackage; 1408 final @Nullable String mSystemTextClassifierPackage; 1409 final @NonNull String mServicesSystemSharedLibraryPackageName; 1410 final @NonNull String mSharedSystemSharedLibraryPackageName; 1411 1412 private final PackageUsage mPackageUsage = new PackageUsage(); 1413 private final CompilerStats mCompilerStats = new CompilerStats(); 1414 1415 class PackageHandler extends Handler { 1416 private boolean mBound = false; 1417 final ArrayList<HandlerParams> mPendingInstalls = 1418 new ArrayList<HandlerParams>(); 1419 1420 private boolean connectToService() { 1421 if (DEBUG_INSTALL) Log.i(TAG, "Trying to bind to DefaultContainerService"); 1422 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1423 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1424 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1425 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1426 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1427 mBound = true; 1428 return true; 1429 } 1430 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1431 return false; 1432 } 1433 1434 private void disconnectService() { 1435 mContainerService = null; 1436 mBound = false; 1437 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1438 mContext.unbindService(mDefContainerConn); 1439 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1440 } 1441 1442 PackageHandler(Looper looper) { 1443 super(looper); 1444 } 1445 1446 public void handleMessage(Message msg) { 1447 try { 1448 doHandleMessage(msg); 1449 } finally { 1450 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1451 } 1452 } 1453 1454 void doHandleMessage(Message msg) { 1455 switch (msg.what) { 1456 case DEF_CONTAINER_BIND: 1457 if (!mBound) { 1458 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "earlyBindingMCS", 1459 System.identityHashCode(mHandler)); 1460 if (!connectToService()) { 1461 Slog.e(TAG, "Failed to bind to media container service"); 1462 } 1463 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "earlyBindingMCS", 1464 System.identityHashCode(mHandler)); 1465 } 1466 break; 1467 case INIT_COPY: { 1468 HandlerParams params = (HandlerParams) msg.obj; 1469 int idx = mPendingInstalls.size(); 1470 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1471 // If a bind was already initiated we dont really 1472 // need to do anything. The pending install 1473 // will be processed later on. 1474 if (!mBound) { 1475 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1476 System.identityHashCode(mHandler)); 1477 // If this is the only one pending we might 1478 // have to bind to the service again. 1479 if (!connectToService()) { 1480 Slog.e(TAG, "Failed to bind to media container service"); 1481 params.serviceError(); 1482 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1483 System.identityHashCode(mHandler)); 1484 if (params.traceMethod != null) { 1485 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1486 params.traceCookie); 1487 } 1488 return; 1489 } else { 1490 // Once we bind to the service, the first 1491 // pending request will be processed. 1492 mPendingInstalls.add(idx, params); 1493 } 1494 } else { 1495 mPendingInstalls.add(idx, params); 1496 // Already bound to the service. Just make 1497 // sure we trigger off processing the first request. 1498 if (idx == 0) { 1499 mHandler.sendEmptyMessage(MCS_BOUND); 1500 } 1501 } 1502 break; 1503 } 1504 case MCS_BOUND: { 1505 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1506 if (msg.obj != null) { 1507 mContainerService = (IMediaContainerService) msg.obj; 1508 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1509 System.identityHashCode(mHandler)); 1510 } 1511 if (mContainerService == null) { 1512 if (!mBound) { 1513 // Something seriously wrong since we are not bound and we are not 1514 // waiting for connection. Bail out. 1515 Slog.e(TAG, "Cannot bind to media container service"); 1516 for (HandlerParams params : mPendingInstalls) { 1517 // Indicate service bind error 1518 params.serviceError(); 1519 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1520 System.identityHashCode(params)); 1521 if (params.traceMethod != null) { 1522 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1523 params.traceMethod, params.traceCookie); 1524 } 1525 } 1526 mPendingInstalls.clear(); 1527 } else { 1528 Slog.w(TAG, "Waiting to connect to media container service"); 1529 } 1530 } else if (mPendingInstalls.size() > 0) { 1531 HandlerParams params = mPendingInstalls.get(0); 1532 if (params != null) { 1533 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1534 System.identityHashCode(params)); 1535 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1536 if (params.startCopy()) { 1537 // We are done... look for more work or to 1538 // go idle. 1539 if (DEBUG_SD_INSTALL) Log.i(TAG, 1540 "Checking for more work or unbind..."); 1541 // Delete pending install 1542 if (mPendingInstalls.size() > 0) { 1543 mPendingInstalls.remove(0); 1544 } 1545 if (mPendingInstalls.size() == 0) { 1546 if (mBound) { 1547 if (DEBUG_SD_INSTALL) Log.i(TAG, 1548 "Posting delayed MCS_UNBIND"); 1549 removeMessages(MCS_UNBIND); 1550 Message ubmsg = obtainMessage(MCS_UNBIND); 1551 // Unbind after a little delay, to avoid 1552 // continual thrashing. 1553 sendMessageDelayed(ubmsg, 10000); 1554 } 1555 } else { 1556 // There are more pending requests in queue. 1557 // Just post MCS_BOUND message to trigger processing 1558 // of next pending install. 1559 if (DEBUG_SD_INSTALL) Log.i(TAG, 1560 "Posting MCS_BOUND for next work"); 1561 mHandler.sendEmptyMessage(MCS_BOUND); 1562 } 1563 } 1564 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1565 } 1566 } else { 1567 // Should never happen ideally. 1568 Slog.w(TAG, "Empty queue"); 1569 } 1570 break; 1571 } 1572 case MCS_RECONNECT: { 1573 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1574 if (mPendingInstalls.size() > 0) { 1575 if (mBound) { 1576 disconnectService(); 1577 } 1578 if (!connectToService()) { 1579 Slog.e(TAG, "Failed to bind to media container service"); 1580 for (HandlerParams params : mPendingInstalls) { 1581 // Indicate service bind error 1582 params.serviceError(); 1583 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1584 System.identityHashCode(params)); 1585 } 1586 mPendingInstalls.clear(); 1587 } 1588 } 1589 break; 1590 } 1591 case MCS_UNBIND: { 1592 // If there is no actual work left, then time to unbind. 1593 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1594 1595 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1596 if (mBound) { 1597 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1598 1599 disconnectService(); 1600 } 1601 } else if (mPendingInstalls.size() > 0) { 1602 // There are more pending requests in queue. 1603 // Just post MCS_BOUND message to trigger processing 1604 // of next pending install. 1605 mHandler.sendEmptyMessage(MCS_BOUND); 1606 } 1607 1608 break; 1609 } 1610 case MCS_GIVE_UP: { 1611 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1612 HandlerParams params = mPendingInstalls.remove(0); 1613 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1614 System.identityHashCode(params)); 1615 break; 1616 } 1617 case SEND_PENDING_BROADCAST: { 1618 String packages[]; 1619 ArrayList<String> components[]; 1620 int size = 0; 1621 int uids[]; 1622 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1623 synchronized (mPackages) { 1624 if (mPendingBroadcasts == null) { 1625 return; 1626 } 1627 size = mPendingBroadcasts.size(); 1628 if (size <= 0) { 1629 // Nothing to be done. Just return 1630 return; 1631 } 1632 packages = new String[size]; 1633 components = new ArrayList[size]; 1634 uids = new int[size]; 1635 int i = 0; // filling out the above arrays 1636 1637 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1638 int packageUserId = mPendingBroadcasts.userIdAt(n); 1639 Iterator<Map.Entry<String, ArrayList<String>>> it 1640 = mPendingBroadcasts.packagesForUserId(packageUserId) 1641 .entrySet().iterator(); 1642 while (it.hasNext() && i < size) { 1643 Map.Entry<String, ArrayList<String>> ent = it.next(); 1644 packages[i] = ent.getKey(); 1645 components[i] = ent.getValue(); 1646 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1647 uids[i] = (ps != null) 1648 ? UserHandle.getUid(packageUserId, ps.appId) 1649 : -1; 1650 i++; 1651 } 1652 } 1653 size = i; 1654 mPendingBroadcasts.clear(); 1655 } 1656 // Send broadcasts 1657 for (int i = 0; i < size; i++) { 1658 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1659 } 1660 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1661 break; 1662 } 1663 case START_CLEANING_PACKAGE: { 1664 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1665 final String packageName = (String)msg.obj; 1666 final int userId = msg.arg1; 1667 final boolean andCode = msg.arg2 != 0; 1668 synchronized (mPackages) { 1669 if (userId == UserHandle.USER_ALL) { 1670 int[] users = sUserManager.getUserIds(); 1671 for (int user : users) { 1672 mSettings.addPackageToCleanLPw( 1673 new PackageCleanItem(user, packageName, andCode)); 1674 } 1675 } else { 1676 mSettings.addPackageToCleanLPw( 1677 new PackageCleanItem(userId, packageName, andCode)); 1678 } 1679 } 1680 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1681 startCleaningPackages(); 1682 } break; 1683 case POST_INSTALL: { 1684 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1685 1686 PostInstallData data = mRunningInstalls.get(msg.arg1); 1687 final boolean didRestore = (msg.arg2 != 0); 1688 mRunningInstalls.delete(msg.arg1); 1689 1690 if (data != null) { 1691 InstallArgs args = data.args; 1692 PackageInstalledInfo parentRes = data.res; 1693 1694 final boolean grantPermissions = (args.installFlags 1695 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1696 final boolean killApp = (args.installFlags 1697 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1698 final boolean virtualPreload = ((args.installFlags 1699 & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 1700 final String[] grantedPermissions = args.installGrantPermissions; 1701 1702 // Handle the parent package 1703 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1704 virtualPreload, grantedPermissions, didRestore, 1705 args.installerPackageName, args.observer); 1706 1707 // Handle the child packages 1708 final int childCount = (parentRes.addedChildPackages != null) 1709 ? parentRes.addedChildPackages.size() : 0; 1710 for (int i = 0; i < childCount; i++) { 1711 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1712 handlePackagePostInstall(childRes, grantPermissions, killApp, 1713 virtualPreload, grantedPermissions, false /*didRestore*/, 1714 args.installerPackageName, args.observer); 1715 } 1716 1717 // Log tracing if needed 1718 if (args.traceMethod != null) { 1719 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1720 args.traceCookie); 1721 } 1722 } else { 1723 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1724 } 1725 1726 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1727 } break; 1728 case WRITE_SETTINGS: { 1729 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1730 synchronized (mPackages) { 1731 removeMessages(WRITE_SETTINGS); 1732 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1733 mSettings.writeLPr(); 1734 mDirtyUsers.clear(); 1735 } 1736 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1737 } break; 1738 case WRITE_PACKAGE_RESTRICTIONS: { 1739 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1740 synchronized (mPackages) { 1741 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1742 for (int userId : mDirtyUsers) { 1743 mSettings.writePackageRestrictionsLPr(userId); 1744 } 1745 mDirtyUsers.clear(); 1746 } 1747 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1748 } break; 1749 case WRITE_PACKAGE_LIST: { 1750 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1751 synchronized (mPackages) { 1752 removeMessages(WRITE_PACKAGE_LIST); 1753 mSettings.writePackageListLPr(msg.arg1); 1754 } 1755 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1756 } break; 1757 case CHECK_PENDING_VERIFICATION: { 1758 final int verificationId = msg.arg1; 1759 final PackageVerificationState state = mPendingVerification.get(verificationId); 1760 1761 if ((state != null) && !state.timeoutExtended()) { 1762 final InstallArgs args = state.getInstallArgs(); 1763 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1764 1765 Slog.i(TAG, "Verification timed out for " + originUri); 1766 mPendingVerification.remove(verificationId); 1767 1768 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1769 1770 final UserHandle user = args.getUser(); 1771 if (getDefaultVerificationResponse(user) 1772 == PackageManager.VERIFICATION_ALLOW) { 1773 Slog.i(TAG, "Continuing with installation of " + originUri); 1774 state.setVerifierResponse(Binder.getCallingUid(), 1775 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1776 broadcastPackageVerified(verificationId, originUri, 1777 PackageManager.VERIFICATION_ALLOW, user); 1778 try { 1779 ret = args.copyApk(mContainerService, true); 1780 } catch (RemoteException e) { 1781 Slog.e(TAG, "Could not contact the ContainerService"); 1782 } 1783 } else { 1784 broadcastPackageVerified(verificationId, originUri, 1785 PackageManager.VERIFICATION_REJECT, user); 1786 } 1787 1788 Trace.asyncTraceEnd( 1789 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1790 1791 processPendingInstall(args, ret); 1792 mHandler.sendEmptyMessage(MCS_UNBIND); 1793 } 1794 break; 1795 } 1796 case PACKAGE_VERIFIED: { 1797 final int verificationId = msg.arg1; 1798 1799 final PackageVerificationState state = mPendingVerification.get(verificationId); 1800 if (state == null) { 1801 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1802 break; 1803 } 1804 1805 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1806 1807 state.setVerifierResponse(response.callerUid, response.code); 1808 1809 if (state.isVerificationComplete()) { 1810 mPendingVerification.remove(verificationId); 1811 1812 final InstallArgs args = state.getInstallArgs(); 1813 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1814 1815 int ret; 1816 if (state.isInstallAllowed()) { 1817 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1818 broadcastPackageVerified(verificationId, originUri, 1819 response.code, state.getInstallArgs().getUser()); 1820 try { 1821 ret = args.copyApk(mContainerService, true); 1822 } catch (RemoteException e) { 1823 Slog.e(TAG, "Could not contact the ContainerService"); 1824 } 1825 } else { 1826 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1827 } 1828 1829 Trace.asyncTraceEnd( 1830 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1831 1832 processPendingInstall(args, ret); 1833 mHandler.sendEmptyMessage(MCS_UNBIND); 1834 } 1835 1836 break; 1837 } 1838 case START_INTENT_FILTER_VERIFICATIONS: { 1839 IFVerificationParams params = (IFVerificationParams) msg.obj; 1840 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1841 params.replacing, params.pkg); 1842 break; 1843 } 1844 case INTENT_FILTER_VERIFIED: { 1845 final int verificationId = msg.arg1; 1846 1847 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1848 verificationId); 1849 if (state == null) { 1850 Slog.w(TAG, "Invalid IntentFilter verification token " 1851 + verificationId + " received"); 1852 break; 1853 } 1854 1855 final int userId = state.getUserId(); 1856 1857 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1858 "Processing IntentFilter verification with token:" 1859 + verificationId + " and userId:" + userId); 1860 1861 final IntentFilterVerificationResponse response = 1862 (IntentFilterVerificationResponse) msg.obj; 1863 1864 state.setVerifierResponse(response.callerUid, response.code); 1865 1866 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1867 "IntentFilter verification with token:" + verificationId 1868 + " and userId:" + userId 1869 + " is settings verifier response with response code:" 1870 + response.code); 1871 1872 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1873 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1874 + response.getFailedDomainsString()); 1875 } 1876 1877 if (state.isVerificationComplete()) { 1878 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1879 } else { 1880 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1881 "IntentFilter verification with token:" + verificationId 1882 + " was not said to be complete"); 1883 } 1884 1885 break; 1886 } 1887 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1888 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1889 mInstantAppResolverConnection, 1890 (InstantAppRequest) msg.obj, 1891 mInstantAppInstallerActivity, 1892 mHandler); 1893 } 1894 } 1895 } 1896 } 1897 1898 private PermissionCallback mPermissionCallback = new PermissionCallback() { 1899 @Override 1900 public void onGidsChanged(int appId, int userId) { 1901 mHandler.post(new Runnable() { 1902 @Override 1903 public void run() { 1904 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 1905 } 1906 }); 1907 } 1908 @Override 1909 public void onPermissionGranted(int uid, int userId) { 1910 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1911 1912 // Not critical; if this is lost, the application has to request again. 1913 synchronized (mPackages) { 1914 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 1915 } 1916 } 1917 @Override 1918 public void onInstallPermissionGranted() { 1919 synchronized (mPackages) { 1920 scheduleWriteSettingsLocked(); 1921 } 1922 } 1923 @Override 1924 public void onPermissionRevoked(int uid, int userId) { 1925 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1926 1927 synchronized (mPackages) { 1928 // Critical; after this call the application should never have the permission 1929 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 1930 } 1931 1932 final int appId = UserHandle.getAppId(uid); 1933 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 1934 } 1935 @Override 1936 public void onInstallPermissionRevoked() { 1937 synchronized (mPackages) { 1938 scheduleWriteSettingsLocked(); 1939 } 1940 } 1941 @Override 1942 public void onPermissionUpdated(int[] updatedUserIds, boolean sync) { 1943 synchronized (mPackages) { 1944 for (int userId : updatedUserIds) { 1945 mSettings.writeRuntimePermissionsForUserLPr(userId, sync); 1946 } 1947 } 1948 } 1949 @Override 1950 public void onInstallPermissionUpdated() { 1951 synchronized (mPackages) { 1952 scheduleWriteSettingsLocked(); 1953 } 1954 } 1955 @Override 1956 public void onPermissionRemoved() { 1957 synchronized (mPackages) { 1958 mSettings.writeLPr(); 1959 } 1960 } 1961 }; 1962 1963 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1964 boolean killApp, boolean virtualPreload, String[] grantedPermissions, 1965 boolean launchedForRestore, String installerPackage, 1966 IPackageInstallObserver2 installObserver) { 1967 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1968 // Send the removed broadcasts 1969 if (res.removedInfo != null) { 1970 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1971 } 1972 1973 // Now that we successfully installed the package, grant runtime 1974 // permissions if requested before broadcasting the install. Also 1975 // for legacy apps in permission review mode we clear the permission 1976 // review flag which is used to emulate runtime permissions for 1977 // legacy apps. 1978 if (grantPermissions) { 1979 final int callingUid = Binder.getCallingUid(); 1980 mPermissionManager.grantRequestedRuntimePermissions( 1981 res.pkg, res.newUsers, grantedPermissions, callingUid, 1982 mPermissionCallback); 1983 } 1984 1985 final boolean update = res.removedInfo != null 1986 && res.removedInfo.removedPackage != null; 1987 final String installerPackageName = 1988 res.installerPackageName != null 1989 ? res.installerPackageName 1990 : res.removedInfo != null 1991 ? res.removedInfo.installerPackageName 1992 : null; 1993 1994 // If this is the first time we have child packages for a disabled privileged 1995 // app that had no children, we grant requested runtime permissions to the new 1996 // children if the parent on the system image had them already granted. 1997 if (res.pkg.parentPackage != null) { 1998 final int callingUid = Binder.getCallingUid(); 1999 mPermissionManager.grantRuntimePermissionsGrantedToDisabledPackage( 2000 res.pkg, callingUid, mPermissionCallback); 2001 } 2002 2003 synchronized (mPackages) { 2004 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 2005 } 2006 2007 final String packageName = res.pkg.applicationInfo.packageName; 2008 2009 // Determine the set of users who are adding this package for 2010 // the first time vs. those who are seeing an update. 2011 int[] firstUserIds = EMPTY_INT_ARRAY; 2012 int[] firstInstantUserIds = EMPTY_INT_ARRAY; 2013 int[] updateUserIds = EMPTY_INT_ARRAY; 2014 int[] instantUserIds = EMPTY_INT_ARRAY; 2015 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 2016 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 2017 for (int newUser : res.newUsers) { 2018 final boolean isInstantApp = ps.getInstantApp(newUser); 2019 if (allNewUsers) { 2020 if (isInstantApp) { 2021 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 2022 } else { 2023 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 2024 } 2025 continue; 2026 } 2027 boolean isNew = true; 2028 for (int origUser : res.origUsers) { 2029 if (origUser == newUser) { 2030 isNew = false; 2031 break; 2032 } 2033 } 2034 if (isNew) { 2035 if (isInstantApp) { 2036 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 2037 } else { 2038 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 2039 } 2040 } else { 2041 if (isInstantApp) { 2042 instantUserIds = ArrayUtils.appendInt(instantUserIds, newUser); 2043 } else { 2044 updateUserIds = ArrayUtils.appendInt(updateUserIds, newUser); 2045 } 2046 } 2047 } 2048 2049 // Send installed broadcasts if the package is not a static shared lib. 2050 if (res.pkg.staticSharedLibName == null) { 2051 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 2052 2053 // Send added for users that see the package for the first time 2054 // sendPackageAddedForNewUsers also deals with system apps 2055 int appId = UserHandle.getAppId(res.uid); 2056 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 2057 sendPackageAddedForNewUsers(packageName, isSystem || virtualPreload, 2058 virtualPreload /*startReceiver*/, appId, firstUserIds, firstInstantUserIds); 2059 2060 // Send added for users that don't see the package for the first time 2061 Bundle extras = new Bundle(1); 2062 extras.putInt(Intent.EXTRA_UID, res.uid); 2063 if (update) { 2064 extras.putBoolean(Intent.EXTRA_REPLACING, true); 2065 } 2066 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2067 extras, 0 /*flags*/, 2068 null /*targetPackage*/, null /*finishedReceiver*/, 2069 updateUserIds, instantUserIds); 2070 if (installerPackageName != null) { 2071 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2072 extras, 0 /*flags*/, 2073 installerPackageName, null /*finishedReceiver*/, 2074 updateUserIds, instantUserIds); 2075 } 2076 // if the required verifier is defined, but, is not the installer of record 2077 // for the package, it gets notified 2078 final boolean notifyVerifier = mRequiredVerifierPackage != null 2079 && !mRequiredVerifierPackage.equals(installerPackageName); 2080 if (notifyVerifier) { 2081 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2082 extras, 0 /*flags*/, 2083 mRequiredVerifierPackage, null /*finishedReceiver*/, 2084 updateUserIds, instantUserIds); 2085 } 2086 2087 // Send replaced for users that don't see the package for the first time 2088 if (update) { 2089 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 2090 packageName, extras, 0 /*flags*/, 2091 null /*targetPackage*/, null /*finishedReceiver*/, 2092 updateUserIds, instantUserIds); 2093 if (installerPackageName != null) { 2094 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 2095 extras, 0 /*flags*/, 2096 installerPackageName, null /*finishedReceiver*/, 2097 updateUserIds, instantUserIds); 2098 } 2099 if (notifyVerifier) { 2100 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 2101 extras, 0 /*flags*/, 2102 mRequiredVerifierPackage, null /*finishedReceiver*/, 2103 updateUserIds, instantUserIds); 2104 } 2105 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 2106 null /*package*/, null /*extras*/, 0 /*flags*/, 2107 packageName /*targetPackage*/, 2108 null /*finishedReceiver*/, updateUserIds, instantUserIds); 2109 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 2110 // First-install and we did a restore, so we're responsible for the 2111 // first-launch broadcast. 2112 if (DEBUG_BACKUP) { 2113 Slog.i(TAG, "Post-restore of " + packageName 2114 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUserIds)); 2115 } 2116 sendFirstLaunchBroadcast(packageName, installerPackage, 2117 firstUserIds, firstInstantUserIds); 2118 } 2119 2120 // Send broadcast package appeared if forward locked/external for all users 2121 // treat asec-hosted packages like removable media on upgrade 2122 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 2123 if (DEBUG_INSTALL) { 2124 Slog.i(TAG, "upgrading pkg " + res.pkg 2125 + " is ASEC-hosted -> AVAILABLE"); 2126 } 2127 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 2128 ArrayList<String> pkgList = new ArrayList<>(1); 2129 pkgList.add(packageName); 2130 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 2131 } 2132 } 2133 2134 // Work that needs to happen on first install within each user 2135 if (firstUserIds != null && firstUserIds.length > 0) { 2136 synchronized (mPackages) { 2137 for (int userId : firstUserIds) { 2138 // If this app is a browser and it's newly-installed for some 2139 // users, clear any default-browser state in those users. The 2140 // app's nature doesn't depend on the user, so we can just check 2141 // its browser nature in any user and generalize. 2142 if (packageIsBrowser(packageName, userId)) { 2143 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 2144 } 2145 2146 // We may also need to apply pending (restored) runtime 2147 // permission grants within these users. 2148 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 2149 } 2150 } 2151 } 2152 2153 if (allNewUsers && !update) { 2154 notifyPackageAdded(packageName); 2155 } 2156 2157 // Log current value of "unknown sources" setting 2158 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 2159 getUnknownSourcesSettings()); 2160 2161 // Remove the replaced package's older resources safely now 2162 // We delete after a gc for applications on sdcard. 2163 if (res.removedInfo != null && res.removedInfo.args != null) { 2164 Runtime.getRuntime().gc(); 2165 synchronized (mInstallLock) { 2166 res.removedInfo.args.doPostDeleteLI(true); 2167 } 2168 } else { 2169 // Force a gc to clear up things. Ask for a background one, it's fine to go on 2170 // and not block here. 2171 VMRuntime.getRuntime().requestConcurrentGC(); 2172 } 2173 2174 // Notify DexManager that the package was installed for new users. 2175 // The updated users should already be indexed and the package code paths 2176 // should not change. 2177 // Don't notify the manager for ephemeral apps as they are not expected to 2178 // survive long enough to benefit of background optimizations. 2179 for (int userId : firstUserIds) { 2180 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 2181 // There's a race currently where some install events may interleave with an uninstall. 2182 // This can lead to package info being null (b/36642664). 2183 if (info != null) { 2184 mDexManager.notifyPackageInstalled(info, userId); 2185 } 2186 } 2187 } 2188 2189 // If someone is watching installs - notify them 2190 if (installObserver != null) { 2191 try { 2192 Bundle extras = extrasForInstallResult(res); 2193 installObserver.onPackageInstalled(res.name, res.returnCode, 2194 res.returnMsg, extras); 2195 } catch (RemoteException e) { 2196 Slog.i(TAG, "Observer no longer exists."); 2197 } 2198 } 2199 } 2200 2201 private StorageEventListener mStorageListener = new StorageEventListener() { 2202 @Override 2203 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2204 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2205 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2206 final String volumeUuid = vol.getFsUuid(); 2207 2208 // Clean up any users or apps that were removed or recreated 2209 // while this volume was missing 2210 sUserManager.reconcileUsers(volumeUuid); 2211 reconcileApps(volumeUuid); 2212 2213 // Clean up any install sessions that expired or were 2214 // cancelled while this volume was missing 2215 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2216 2217 loadPrivatePackages(vol); 2218 2219 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2220 unloadPrivatePackages(vol); 2221 } 2222 } 2223 } 2224 2225 @Override 2226 public void onVolumeForgotten(String fsUuid) { 2227 if (TextUtils.isEmpty(fsUuid)) { 2228 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2229 return; 2230 } 2231 2232 // Remove any apps installed on the forgotten volume 2233 synchronized (mPackages) { 2234 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2235 for (PackageSetting ps : packages) { 2236 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2237 deletePackageVersioned(new VersionedPackage(ps.name, 2238 PackageManager.VERSION_CODE_HIGHEST), 2239 new LegacyPackageDeleteObserver(null).getBinder(), 2240 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2241 // Try very hard to release any references to this package 2242 // so we don't risk the system server being killed due to 2243 // open FDs 2244 AttributeCache.instance().removePackage(ps.name); 2245 } 2246 2247 mSettings.onVolumeForgotten(fsUuid); 2248 mSettings.writeLPr(); 2249 } 2250 } 2251 }; 2252 2253 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2254 Bundle extras = null; 2255 switch (res.returnCode) { 2256 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2257 extras = new Bundle(); 2258 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2259 res.origPermission); 2260 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2261 res.origPackage); 2262 break; 2263 } 2264 case PackageManager.INSTALL_SUCCEEDED: { 2265 extras = new Bundle(); 2266 extras.putBoolean(Intent.EXTRA_REPLACING, 2267 res.removedInfo != null && res.removedInfo.removedPackage != null); 2268 break; 2269 } 2270 } 2271 return extras; 2272 } 2273 2274 void scheduleWriteSettingsLocked() { 2275 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2276 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2277 } 2278 } 2279 2280 void scheduleWritePackageListLocked(int userId) { 2281 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2282 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2283 msg.arg1 = userId; 2284 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2285 } 2286 } 2287 2288 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2289 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2290 scheduleWritePackageRestrictionsLocked(userId); 2291 } 2292 2293 void scheduleWritePackageRestrictionsLocked(int userId) { 2294 final int[] userIds = (userId == UserHandle.USER_ALL) 2295 ? sUserManager.getUserIds() : new int[]{userId}; 2296 for (int nextUserId : userIds) { 2297 if (!sUserManager.exists(nextUserId)) return; 2298 mDirtyUsers.add(nextUserId); 2299 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2300 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2301 } 2302 } 2303 } 2304 2305 public static PackageManagerService main(Context context, Installer installer, 2306 boolean factoryTest, boolean onlyCore) { 2307 // Self-check for initial settings. 2308 PackageManagerServiceCompilerMapping.checkProperties(); 2309 2310 PackageManagerService m = new PackageManagerService(context, installer, 2311 factoryTest, onlyCore); 2312 m.enableSystemUserPackages(); 2313 ServiceManager.addService("package", m); 2314 final PackageManagerNative pmn = m.new PackageManagerNative(); 2315 ServiceManager.addService("package_native", pmn); 2316 return m; 2317 } 2318 2319 private void enableSystemUserPackages() { 2320 if (!UserManager.isSplitSystemUser()) { 2321 return; 2322 } 2323 // For system user, enable apps based on the following conditions: 2324 // - app is whitelisted or belong to one of these groups: 2325 // -- system app which has no launcher icons 2326 // -- system app which has INTERACT_ACROSS_USERS permission 2327 // -- system IME app 2328 // - app is not in the blacklist 2329 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2330 Set<String> enableApps = new ArraySet<>(); 2331 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2332 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2333 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2334 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2335 enableApps.addAll(wlApps); 2336 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2337 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2338 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2339 enableApps.removeAll(blApps); 2340 Log.i(TAG, "Applications installed for system user: " + enableApps); 2341 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2342 UserHandle.SYSTEM); 2343 final int allAppsSize = allAps.size(); 2344 synchronized (mPackages) { 2345 for (int i = 0; i < allAppsSize; i++) { 2346 String pName = allAps.get(i); 2347 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2348 // Should not happen, but we shouldn't be failing if it does 2349 if (pkgSetting == null) { 2350 continue; 2351 } 2352 boolean install = enableApps.contains(pName); 2353 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2354 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2355 + " for system user"); 2356 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2357 } 2358 } 2359 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2360 } 2361 } 2362 2363 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2364 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2365 Context.DISPLAY_SERVICE); 2366 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2367 } 2368 2369 /** 2370 * Requests that files preopted on a secondary system partition be copied to the data partition 2371 * if possible. Note that the actual copying of the files is accomplished by init for security 2372 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2373 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2374 */ 2375 private static void requestCopyPreoptedFiles() { 2376 final int WAIT_TIME_MS = 100; 2377 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2378 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2379 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2380 // We will wait for up to 100 seconds. 2381 final long timeStart = SystemClock.uptimeMillis(); 2382 final long timeEnd = timeStart + 100 * 1000; 2383 long timeNow = timeStart; 2384 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2385 try { 2386 Thread.sleep(WAIT_TIME_MS); 2387 } catch (InterruptedException e) { 2388 // Do nothing 2389 } 2390 timeNow = SystemClock.uptimeMillis(); 2391 if (timeNow > timeEnd) { 2392 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2393 Slog.wtf(TAG, "cppreopt did not finish!"); 2394 break; 2395 } 2396 } 2397 2398 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2399 } 2400 } 2401 2402 public PackageManagerService(Context context, Installer installer, 2403 boolean factoryTest, boolean onlyCore) { 2404 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2405 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2406 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2407 SystemClock.uptimeMillis()); 2408 2409 if (mSdkVersion <= 0) { 2410 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2411 } 2412 2413 mContext = context; 2414 2415 mFactoryTest = factoryTest; 2416 mOnlyCore = onlyCore; 2417 mMetrics = new DisplayMetrics(); 2418 mInstaller = installer; 2419 2420 // Create sub-components that provide services / data. Order here is important. 2421 synchronized (mInstallLock) { 2422 synchronized (mPackages) { 2423 // Expose private service for system components to use. 2424 LocalServices.addService( 2425 PackageManagerInternal.class, new PackageManagerInternalImpl()); 2426 sUserManager = new UserManagerService(context, this, 2427 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2428 mPermissionManager = PermissionManagerService.create(context, 2429 new DefaultPermissionGrantedCallback() { 2430 @Override 2431 public void onDefaultRuntimePermissionsGranted(int userId) { 2432 synchronized(mPackages) { 2433 mSettings.onDefaultRuntimePermissionsGrantedLPr(userId); 2434 } 2435 } 2436 }, mPackages /*externalLock*/); 2437 mDefaultPermissionPolicy = mPermissionManager.getDefaultPermissionGrantPolicy(); 2438 mSettings = new Settings(mPermissionManager.getPermissionSettings(), mPackages); 2439 } 2440 } 2441 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2442 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2443 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2444 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2445 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2446 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2447 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2448 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2449 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2450 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2451 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2452 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2453 mSettings.addSharedUserLPw("android.uid.se", SE_UID, 2454 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2455 2456 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2457 if (separateProcesses != null && separateProcesses.length() > 0) { 2458 if ("*".equals(separateProcesses)) { 2459 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2460 mSeparateProcesses = null; 2461 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2462 } else { 2463 mDefParseFlags = 0; 2464 mSeparateProcesses = separateProcesses.split(","); 2465 Slog.w(TAG, "Running with debug.separate_processes: " 2466 + separateProcesses); 2467 } 2468 } else { 2469 mDefParseFlags = 0; 2470 mSeparateProcesses = null; 2471 } 2472 2473 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2474 "*dexopt*"); 2475 DexManager.Listener dexManagerListener = DexLogger.getListener(this, 2476 installer, mInstallLock); 2477 mDexManager = new DexManager(mContext, this, mPackageDexOptimizer, installer, mInstallLock, 2478 dexManagerListener); 2479 mArtManagerService = new ArtManagerService(mContext, this, installer, mInstallLock); 2480 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2481 2482 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2483 FgThread.get().getLooper()); 2484 2485 getDefaultDisplayMetrics(context, mMetrics); 2486 2487 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2488 SystemConfig systemConfig = SystemConfig.getInstance(); 2489 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2490 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2491 2492 mProtectedPackages = new ProtectedPackages(mContext); 2493 2494 synchronized (mInstallLock) { 2495 // writer 2496 synchronized (mPackages) { 2497 mHandlerThread = new ServiceThread(TAG, 2498 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2499 mHandlerThread.start(); 2500 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2501 mProcessLoggingHandler = new ProcessLoggingHandler(); 2502 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2503 mInstantAppRegistry = new InstantAppRegistry(this); 2504 2505 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2506 final int builtInLibCount = libConfig.size(); 2507 for (int i = 0; i < builtInLibCount; i++) { 2508 String name = libConfig.keyAt(i); 2509 String path = libConfig.valueAt(i); 2510 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2511 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2512 } 2513 2514 SELinuxMMAC.readInstallPolicy(); 2515 2516 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2517 FallbackCategoryProvider.loadFallbacks(); 2518 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2519 2520 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2521 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2522 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2523 2524 // Clean up orphaned packages for which the code path doesn't exist 2525 // and they are an update to a system app - caused by bug/32321269 2526 final int packageSettingCount = mSettings.mPackages.size(); 2527 for (int i = packageSettingCount - 1; i >= 0; i--) { 2528 PackageSetting ps = mSettings.mPackages.valueAt(i); 2529 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2530 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2531 mSettings.mPackages.removeAt(i); 2532 mSettings.enableSystemPackageLPw(ps.name); 2533 } 2534 } 2535 2536 if (mFirstBoot) { 2537 requestCopyPreoptedFiles(); 2538 } 2539 2540 String customResolverActivity = Resources.getSystem().getString( 2541 R.string.config_customResolverActivity); 2542 if (TextUtils.isEmpty(customResolverActivity)) { 2543 customResolverActivity = null; 2544 } else { 2545 mCustomResolverComponentName = ComponentName.unflattenFromString( 2546 customResolverActivity); 2547 } 2548 2549 long startTime = SystemClock.uptimeMillis(); 2550 2551 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2552 startTime); 2553 2554 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2555 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2556 2557 if (bootClassPath == null) { 2558 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2559 } 2560 2561 if (systemServerClassPath == null) { 2562 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2563 } 2564 2565 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2566 2567 final VersionInfo ver = mSettings.getInternalVersion(); 2568 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2569 if (mIsUpgrade) { 2570 logCriticalInfo(Log.INFO, 2571 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2572 } 2573 2574 // when upgrading from pre-M, promote system app permissions from install to runtime 2575 mPromoteSystemApps = 2576 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2577 2578 // When upgrading from pre-N, we need to handle package extraction like first boot, 2579 // as there is no profiling data available. 2580 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2581 2582 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2583 2584 // save off the names of pre-existing system packages prior to scanning; we don't 2585 // want to automatically grant runtime permissions for new system apps 2586 if (mPromoteSystemApps) { 2587 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2588 while (pkgSettingIter.hasNext()) { 2589 PackageSetting ps = pkgSettingIter.next(); 2590 if (isSystemApp(ps)) { 2591 mExistingSystemPackages.add(ps.name); 2592 } 2593 } 2594 } 2595 2596 mCacheDir = preparePackageParserCache(mIsUpgrade); 2597 2598 // Set flag to monitor and not change apk file paths when 2599 // scanning install directories. 2600 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2601 2602 if (mIsUpgrade || mFirstBoot) { 2603 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2604 } 2605 2606 // Collect vendor/product overlay packages. (Do this before scanning any apps.) 2607 // For security and version matching reason, only consider 2608 // overlay packages if they reside in the right directory. 2609 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), 2610 mDefParseFlags 2611 | PackageParser.PARSE_IS_SYSTEM_DIR, 2612 scanFlags 2613 | SCAN_AS_SYSTEM 2614 | SCAN_AS_VENDOR, 2615 0); 2616 scanDirTracedLI(new File(PRODUCT_OVERLAY_DIR), 2617 mDefParseFlags 2618 | PackageParser.PARSE_IS_SYSTEM_DIR, 2619 scanFlags 2620 | SCAN_AS_SYSTEM 2621 | SCAN_AS_PRODUCT, 2622 0); 2623 2624 mParallelPackageParserCallback.findStaticOverlayPackages(); 2625 2626 // Find base frameworks (resource packages without code). 2627 scanDirTracedLI(frameworkDir, 2628 mDefParseFlags 2629 | PackageParser.PARSE_IS_SYSTEM_DIR, 2630 scanFlags 2631 | SCAN_NO_DEX 2632 | SCAN_AS_SYSTEM 2633 | SCAN_AS_PRIVILEGED, 2634 0); 2635 2636 // Collect privileged system packages. 2637 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2638 scanDirTracedLI(privilegedAppDir, 2639 mDefParseFlags 2640 | PackageParser.PARSE_IS_SYSTEM_DIR, 2641 scanFlags 2642 | SCAN_AS_SYSTEM 2643 | SCAN_AS_PRIVILEGED, 2644 0); 2645 2646 // Collect ordinary system packages. 2647 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2648 scanDirTracedLI(systemAppDir, 2649 mDefParseFlags 2650 | PackageParser.PARSE_IS_SYSTEM_DIR, 2651 scanFlags 2652 | SCAN_AS_SYSTEM, 2653 0); 2654 2655 // Collect privileged vendor packages. 2656 File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 2657 try { 2658 privilegedVendorAppDir = privilegedVendorAppDir.getCanonicalFile(); 2659 } catch (IOException e) { 2660 // failed to look up canonical path, continue with original one 2661 } 2662 scanDirTracedLI(privilegedVendorAppDir, 2663 mDefParseFlags 2664 | PackageParser.PARSE_IS_SYSTEM_DIR, 2665 scanFlags 2666 | SCAN_AS_SYSTEM 2667 | SCAN_AS_VENDOR 2668 | SCAN_AS_PRIVILEGED, 2669 0); 2670 2671 // Collect ordinary vendor packages. 2672 File vendorAppDir = new File(Environment.getVendorDirectory(), "app"); 2673 try { 2674 vendorAppDir = vendorAppDir.getCanonicalFile(); 2675 } catch (IOException e) { 2676 // failed to look up canonical path, continue with original one 2677 } 2678 scanDirTracedLI(vendorAppDir, 2679 mDefParseFlags 2680 | PackageParser.PARSE_IS_SYSTEM_DIR, 2681 scanFlags 2682 | SCAN_AS_SYSTEM 2683 | SCAN_AS_VENDOR, 2684 0); 2685 2686 // Collect privileged odm packages. /odm is another vendor partition 2687 // other than /vendor. 2688 File privilegedOdmAppDir = new File(Environment.getOdmDirectory(), 2689 "priv-app"); 2690 try { 2691 privilegedOdmAppDir = privilegedOdmAppDir.getCanonicalFile(); 2692 } catch (IOException e) { 2693 // failed to look up canonical path, continue with original one 2694 } 2695 scanDirTracedLI(privilegedOdmAppDir, 2696 mDefParseFlags 2697 | PackageParser.PARSE_IS_SYSTEM_DIR, 2698 scanFlags 2699 | SCAN_AS_SYSTEM 2700 | SCAN_AS_VENDOR 2701 | SCAN_AS_PRIVILEGED, 2702 0); 2703 2704 // Collect ordinary odm packages. /odm is another vendor partition 2705 // other than /vendor. 2706 File odmAppDir = new File(Environment.getOdmDirectory(), "app"); 2707 try { 2708 odmAppDir = odmAppDir.getCanonicalFile(); 2709 } catch (IOException e) { 2710 // failed to look up canonical path, continue with original one 2711 } 2712 scanDirTracedLI(odmAppDir, 2713 mDefParseFlags 2714 | PackageParser.PARSE_IS_SYSTEM_DIR, 2715 scanFlags 2716 | SCAN_AS_SYSTEM 2717 | SCAN_AS_VENDOR, 2718 0); 2719 2720 // Collect all OEM packages. 2721 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2722 scanDirTracedLI(oemAppDir, 2723 mDefParseFlags 2724 | PackageParser.PARSE_IS_SYSTEM_DIR, 2725 scanFlags 2726 | SCAN_AS_SYSTEM 2727 | SCAN_AS_OEM, 2728 0); 2729 2730 // Collected privileged product packages. 2731 File privilegedProductAppDir = new File(Environment.getProductDirectory(), "priv-app"); 2732 try { 2733 privilegedProductAppDir = privilegedProductAppDir.getCanonicalFile(); 2734 } catch (IOException e) { 2735 // failed to look up canonical path, continue with original one 2736 } 2737 scanDirTracedLI(privilegedProductAppDir, 2738 mDefParseFlags 2739 | PackageParser.PARSE_IS_SYSTEM_DIR, 2740 scanFlags 2741 | SCAN_AS_SYSTEM 2742 | SCAN_AS_PRODUCT 2743 | SCAN_AS_PRIVILEGED, 2744 0); 2745 2746 // Collect ordinary product packages. 2747 File productAppDir = new File(Environment.getProductDirectory(), "app"); 2748 try { 2749 productAppDir = productAppDir.getCanonicalFile(); 2750 } catch (IOException e) { 2751 // failed to look up canonical path, continue with original one 2752 } 2753 scanDirTracedLI(productAppDir, 2754 mDefParseFlags 2755 | PackageParser.PARSE_IS_SYSTEM_DIR, 2756 scanFlags 2757 | SCAN_AS_SYSTEM 2758 | SCAN_AS_PRODUCT, 2759 0); 2760 2761 // Prune any system packages that no longer exist. 2762 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<>(); 2763 // Stub packages must either be replaced with full versions in the /data 2764 // partition or be disabled. 2765 final List<String> stubSystemApps = new ArrayList<>(); 2766 if (!mOnlyCore) { 2767 // do this first before mucking with mPackages for the "expecting better" case 2768 final Iterator<PackageParser.Package> pkgIterator = mPackages.values().iterator(); 2769 while (pkgIterator.hasNext()) { 2770 final PackageParser.Package pkg = pkgIterator.next(); 2771 if (pkg.isStub) { 2772 stubSystemApps.add(pkg.packageName); 2773 } 2774 } 2775 2776 final Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2777 while (psit.hasNext()) { 2778 PackageSetting ps = psit.next(); 2779 2780 /* 2781 * If this is not a system app, it can't be a 2782 * disable system app. 2783 */ 2784 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2785 continue; 2786 } 2787 2788 /* 2789 * If the package is scanned, it's not erased. 2790 */ 2791 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2792 if (scannedPkg != null) { 2793 /* 2794 * If the system app is both scanned and in the 2795 * disabled packages list, then it must have been 2796 * added via OTA. Remove it from the currently 2797 * scanned package so the previously user-installed 2798 * application can be scanned. 2799 */ 2800 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2801 logCriticalInfo(Log.WARN, 2802 "Expecting better updated system app for " + ps.name 2803 + "; removing system app. Last known" 2804 + " codePath=" + ps.codePathString 2805 + ", versionCode=" + ps.versionCode 2806 + "; scanned versionCode=" + scannedPkg.getLongVersionCode()); 2807 removePackageLI(scannedPkg, true); 2808 mExpectingBetter.put(ps.name, ps.codePath); 2809 } 2810 2811 continue; 2812 } 2813 2814 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2815 psit.remove(); 2816 logCriticalInfo(Log.WARN, "System package " + ps.name 2817 + " no longer exists; it's data will be wiped"); 2818 // Actual deletion of code and data will be handled by later 2819 // reconciliation step 2820 } else { 2821 // we still have a disabled system package, but, it still might have 2822 // been removed. check the code path still exists and check there's 2823 // still a package. the latter can happen if an OTA keeps the same 2824 // code path, but, changes the package name. 2825 final PackageSetting disabledPs = 2826 mSettings.getDisabledSystemPkgLPr(ps.name); 2827 if (disabledPs.codePath == null || !disabledPs.codePath.exists() 2828 || disabledPs.pkg == null) { 2829 possiblyDeletedUpdatedSystemApps.add(ps.name); 2830 } 2831 } 2832 } 2833 } 2834 2835 //delete tmp files 2836 deleteTempPackageFiles(); 2837 2838 final int cachedSystemApps = PackageParser.sCachedPackageReadCount.get(); 2839 2840 // Remove any shared userIDs that have no associated packages 2841 mSettings.pruneSharedUsersLPw(); 2842 final long systemScanTime = SystemClock.uptimeMillis() - startTime; 2843 final int systemPackagesCount = mPackages.size(); 2844 Slog.i(TAG, "Finished scanning system apps. Time: " + systemScanTime 2845 + " ms, packageCount: " + systemPackagesCount 2846 + " , timePerPackage: " 2847 + (systemPackagesCount == 0 ? 0 : systemScanTime / systemPackagesCount) 2848 + " , cached: " + cachedSystemApps); 2849 if (mIsUpgrade && systemPackagesCount > 0) { 2850 MetricsLogger.histogram(null, "ota_package_manager_system_app_avg_scan_time", 2851 ((int) systemScanTime) / systemPackagesCount); 2852 } 2853 if (!mOnlyCore) { 2854 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2855 SystemClock.uptimeMillis()); 2856 scanDirTracedLI(sAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2857 2858 scanDirTracedLI(sDrmAppPrivateInstallDir, mDefParseFlags 2859 | PackageParser.PARSE_FORWARD_LOCK, 2860 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2861 2862 // Remove disable package settings for updated system apps that were 2863 // removed via an OTA. If the update is no longer present, remove the 2864 // app completely. Otherwise, revoke their system privileges. 2865 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2866 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2867 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2868 final String msg; 2869 if (deletedPkg == null) { 2870 // should have found an update, but, we didn't; remove everything 2871 msg = "Updated system package " + deletedAppName 2872 + " no longer exists; removing its data"; 2873 // Actual deletion of code and data will be handled by later 2874 // reconciliation step 2875 } else { 2876 // found an update; revoke system privileges 2877 msg = "Updated system package + " + deletedAppName 2878 + " no longer exists; revoking system privileges"; 2879 2880 // Don't do anything if a stub is removed from the system image. If 2881 // we were to remove the uncompressed version from the /data partition, 2882 // this is where it'd be done. 2883 2884 final PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2885 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2886 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2887 } 2888 logCriticalInfo(Log.WARN, msg); 2889 } 2890 2891 /* 2892 * Make sure all system apps that we expected to appear on 2893 * the userdata partition actually showed up. If they never 2894 * appeared, crawl back and revive the system version. 2895 */ 2896 for (int i = 0; i < mExpectingBetter.size(); i++) { 2897 final String packageName = mExpectingBetter.keyAt(i); 2898 if (!mPackages.containsKey(packageName)) { 2899 final File scanFile = mExpectingBetter.valueAt(i); 2900 2901 logCriticalInfo(Log.WARN, "Expected better " + packageName 2902 + " but never showed up; reverting to system"); 2903 2904 final @ParseFlags int reparseFlags; 2905 final @ScanFlags int rescanFlags; 2906 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2907 reparseFlags = 2908 mDefParseFlags | 2909 PackageParser.PARSE_IS_SYSTEM_DIR; 2910 rescanFlags = 2911 scanFlags 2912 | SCAN_AS_SYSTEM 2913 | SCAN_AS_PRIVILEGED; 2914 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2915 reparseFlags = 2916 mDefParseFlags | 2917 PackageParser.PARSE_IS_SYSTEM_DIR; 2918 rescanFlags = 2919 scanFlags 2920 | SCAN_AS_SYSTEM; 2921 } else if (FileUtils.contains(privilegedVendorAppDir, scanFile) 2922 || FileUtils.contains(privilegedOdmAppDir, scanFile)) { 2923 reparseFlags = 2924 mDefParseFlags | 2925 PackageParser.PARSE_IS_SYSTEM_DIR; 2926 rescanFlags = 2927 scanFlags 2928 | SCAN_AS_SYSTEM 2929 | SCAN_AS_VENDOR 2930 | SCAN_AS_PRIVILEGED; 2931 } else if (FileUtils.contains(vendorAppDir, scanFile) 2932 || FileUtils.contains(odmAppDir, scanFile)) { 2933 reparseFlags = 2934 mDefParseFlags | 2935 PackageParser.PARSE_IS_SYSTEM_DIR; 2936 rescanFlags = 2937 scanFlags 2938 | SCAN_AS_SYSTEM 2939 | SCAN_AS_VENDOR; 2940 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2941 reparseFlags = 2942 mDefParseFlags | 2943 PackageParser.PARSE_IS_SYSTEM_DIR; 2944 rescanFlags = 2945 scanFlags 2946 | SCAN_AS_SYSTEM 2947 | SCAN_AS_OEM; 2948 } else if (FileUtils.contains(privilegedProductAppDir, scanFile)) { 2949 reparseFlags = 2950 mDefParseFlags | 2951 PackageParser.PARSE_IS_SYSTEM_DIR; 2952 rescanFlags = 2953 scanFlags 2954 | SCAN_AS_SYSTEM 2955 | SCAN_AS_PRODUCT 2956 | SCAN_AS_PRIVILEGED; 2957 } else if (FileUtils.contains(productAppDir, scanFile)) { 2958 reparseFlags = 2959 mDefParseFlags | 2960 PackageParser.PARSE_IS_SYSTEM_DIR; 2961 rescanFlags = 2962 scanFlags 2963 | SCAN_AS_SYSTEM 2964 | SCAN_AS_PRODUCT; 2965 } else { 2966 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2967 continue; 2968 } 2969 2970 mSettings.enableSystemPackageLPw(packageName); 2971 2972 try { 2973 scanPackageTracedLI(scanFile, reparseFlags, rescanFlags, 0, null); 2974 } catch (PackageManagerException e) { 2975 Slog.e(TAG, "Failed to parse original system package: " 2976 + e.getMessage()); 2977 } 2978 } 2979 } 2980 2981 // Uncompress and install any stubbed system applications. 2982 // This must be done last to ensure all stubs are replaced or disabled. 2983 decompressSystemApplications(stubSystemApps, scanFlags); 2984 2985 final int cachedNonSystemApps = PackageParser.sCachedPackageReadCount.get() 2986 - cachedSystemApps; 2987 2988 final long dataScanTime = SystemClock.uptimeMillis() - systemScanTime - startTime; 2989 final int dataPackagesCount = mPackages.size() - systemPackagesCount; 2990 Slog.i(TAG, "Finished scanning non-system apps. Time: " + dataScanTime 2991 + " ms, packageCount: " + dataPackagesCount 2992 + " , timePerPackage: " 2993 + (dataPackagesCount == 0 ? 0 : dataScanTime / dataPackagesCount) 2994 + " , cached: " + cachedNonSystemApps); 2995 if (mIsUpgrade && dataPackagesCount > 0) { 2996 MetricsLogger.histogram(null, "ota_package_manager_data_app_avg_scan_time", 2997 ((int) dataScanTime) / dataPackagesCount); 2998 } 2999 } 3000 mExpectingBetter.clear(); 3001 3002 // Resolve the storage manager. 3003 mStorageManagerPackage = getStorageManagerPackageName(); 3004 3005 // Resolve protected action filters. Only the setup wizard is allowed to 3006 // have a high priority filter for these actions. 3007 mSetupWizardPackage = getSetupWizardPackageName(); 3008 if (mProtectedFilters.size() > 0) { 3009 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 3010 Slog.i(TAG, "No setup wizard;" 3011 + " All protected intents capped to priority 0"); 3012 } 3013 for (ActivityIntentInfo filter : mProtectedFilters) { 3014 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 3015 if (DEBUG_FILTERS) { 3016 Slog.i(TAG, "Found setup wizard;" 3017 + " allow priority " + filter.getPriority() + ";" 3018 + " package: " + filter.activity.info.packageName 3019 + " activity: " + filter.activity.className 3020 + " priority: " + filter.getPriority()); 3021 } 3022 // skip setup wizard; allow it to keep the high priority filter 3023 continue; 3024 } 3025 if (DEBUG_FILTERS) { 3026 Slog.i(TAG, "Protected action; cap priority to 0;" 3027 + " package: " + filter.activity.info.packageName 3028 + " activity: " + filter.activity.className 3029 + " origPrio: " + filter.getPriority()); 3030 } 3031 filter.setPriority(0); 3032 } 3033 } 3034 3035 mSystemTextClassifierPackage = getSystemTextClassifierPackageName(); 3036 3037 mDeferProtectedFilters = false; 3038 mProtectedFilters.clear(); 3039 3040 // Now that we know all of the shared libraries, update all clients to have 3041 // the correct library paths. 3042 updateAllSharedLibrariesLPw(null); 3043 3044 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 3045 // NOTE: We ignore potential failures here during a system scan (like 3046 // the rest of the commands above) because there's precious little we 3047 // can do about it. A settings error is reported, though. 3048 final List<String> changedAbiCodePath = 3049 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 3050 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 3051 for (int i = changedAbiCodePath.size() - 1; i >= 0; --i) { 3052 final String codePathString = changedAbiCodePath.get(i); 3053 try { 3054 mInstaller.rmdex(codePathString, 3055 getDexCodeInstructionSet(getPreferredInstructionSet())); 3056 } catch (InstallerException ignored) { 3057 } 3058 } 3059 } 3060 // Adjust seInfo to ensure apps which share a sharedUserId are placed in the same 3061 // SELinux domain. 3062 setting.fixSeInfoLocked(); 3063 } 3064 3065 // Now that we know all the packages we are keeping, 3066 // read and update their last usage times. 3067 mPackageUsage.read(mPackages); 3068 mCompilerStats.read(); 3069 3070 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 3071 SystemClock.uptimeMillis()); 3072 Slog.i(TAG, "Time to scan packages: " 3073 + ((SystemClock.uptimeMillis()-startTime)/1000f) 3074 + " seconds"); 3075 3076 // If the platform SDK has changed since the last time we booted, 3077 // we need to re-grant app permission to catch any new ones that 3078 // appear. This is really a hack, and means that apps can in some 3079 // cases get permissions that the user didn't initially explicitly 3080 // allow... it would be nice to have some better way to handle 3081 // this situation. 3082 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 3083 if (sdkUpdated) { 3084 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 3085 + mSdkVersion + "; regranting permissions for internal storage"); 3086 } 3087 mPermissionManager.updateAllPermissions( 3088 StorageManager.UUID_PRIVATE_INTERNAL, sdkUpdated, mPackages.values(), 3089 mPermissionCallback); 3090 ver.sdkVersion = mSdkVersion; 3091 3092 // If this is the first boot or an update from pre-M, and it is a normal 3093 // boot, then we need to initialize the default preferred apps across 3094 // all defined users. 3095 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 3096 for (UserInfo user : sUserManager.getUsers(true)) { 3097 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 3098 applyFactoryDefaultBrowserLPw(user.id); 3099 primeDomainVerificationsLPw(user.id); 3100 } 3101 } 3102 3103 // Prepare storage for system user really early during boot, 3104 // since core system apps like SettingsProvider and SystemUI 3105 // can't wait for user to start 3106 final int storageFlags; 3107 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3108 storageFlags = StorageManager.FLAG_STORAGE_DE; 3109 } else { 3110 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 3111 } 3112 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 3113 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 3114 true /* onlyCoreApps */); 3115 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 3116 TimingsTraceLog traceLog = new TimingsTraceLog("SystemServerTimingAsync", 3117 Trace.TRACE_TAG_PACKAGE_MANAGER); 3118 traceLog.traceBegin("AppDataFixup"); 3119 try { 3120 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 3121 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 3122 } catch (InstallerException e) { 3123 Slog.w(TAG, "Trouble fixing GIDs", e); 3124 } 3125 traceLog.traceEnd(); 3126 3127 traceLog.traceBegin("AppDataPrepare"); 3128 if (deferPackages == null || deferPackages.isEmpty()) { 3129 return; 3130 } 3131 int count = 0; 3132 for (String pkgName : deferPackages) { 3133 PackageParser.Package pkg = null; 3134 synchronized (mPackages) { 3135 PackageSetting ps = mSettings.getPackageLPr(pkgName); 3136 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 3137 pkg = ps.pkg; 3138 } 3139 } 3140 if (pkg != null) { 3141 synchronized (mInstallLock) { 3142 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 3143 true /* maybeMigrateAppData */); 3144 } 3145 count++; 3146 } 3147 } 3148 traceLog.traceEnd(); 3149 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 3150 }, "prepareAppData"); 3151 3152 // If this is first boot after an OTA, and a normal boot, then 3153 // we need to clear code cache directories. 3154 // Note that we do *not* clear the application profiles. These remain valid 3155 // across OTAs and are used to drive profile verification (post OTA) and 3156 // profile compilation (without waiting to collect a fresh set of profiles). 3157 if (mIsUpgrade && !onlyCore) { 3158 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 3159 for (int i = 0; i < mSettings.mPackages.size(); i++) { 3160 final PackageSetting ps = mSettings.mPackages.valueAt(i); 3161 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 3162 // No apps are running this early, so no need to freeze 3163 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 3164 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 3165 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 3166 } 3167 } 3168 ver.fingerprint = Build.FINGERPRINT; 3169 } 3170 3171 checkDefaultBrowser(); 3172 3173 // clear only after permissions and other defaults have been updated 3174 mExistingSystemPackages.clear(); 3175 mPromoteSystemApps = false; 3176 3177 // All the changes are done during package scanning. 3178 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 3179 3180 // can downgrade to reader 3181 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 3182 mSettings.writeLPr(); 3183 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3184 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 3185 SystemClock.uptimeMillis()); 3186 3187 if (!mOnlyCore) { 3188 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 3189 mRequiredInstallerPackage = getRequiredInstallerLPr(); 3190 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 3191 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 3192 if (mIntentFilterVerifierComponent != null) { 3193 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 3194 mIntentFilterVerifierComponent); 3195 } else { 3196 mIntentFilterVerifier = null; 3197 } 3198 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3199 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 3200 SharedLibraryInfo.VERSION_UNDEFINED); 3201 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3202 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 3203 SharedLibraryInfo.VERSION_UNDEFINED); 3204 } else { 3205 mRequiredVerifierPackage = null; 3206 mRequiredInstallerPackage = null; 3207 mRequiredUninstallerPackage = null; 3208 mIntentFilterVerifierComponent = null; 3209 mIntentFilterVerifier = null; 3210 mServicesSystemSharedLibraryPackageName = null; 3211 mSharedSystemSharedLibraryPackageName = null; 3212 } 3213 3214 mInstallerService = new PackageInstallerService(context, this); 3215 final Pair<ComponentName, String> instantAppResolverComponent = 3216 getInstantAppResolverLPr(); 3217 if (instantAppResolverComponent != null) { 3218 if (DEBUG_INSTANT) { 3219 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 3220 } 3221 mInstantAppResolverConnection = new InstantAppResolverConnection( 3222 mContext, instantAppResolverComponent.first, 3223 instantAppResolverComponent.second); 3224 mInstantAppResolverSettingsComponent = 3225 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 3226 } else { 3227 mInstantAppResolverConnection = null; 3228 mInstantAppResolverSettingsComponent = null; 3229 } 3230 updateInstantAppInstallerLocked(null); 3231 3232 // Read and update the usage of dex files. 3233 // Do this at the end of PM init so that all the packages have their 3234 // data directory reconciled. 3235 // At this point we know the code paths of the packages, so we can validate 3236 // the disk file and build the internal cache. 3237 // The usage file is expected to be small so loading and verifying it 3238 // should take a fairly small time compare to the other activities (e.g. package 3239 // scanning). 3240 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 3241 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 3242 for (int userId : currentUserIds) { 3243 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 3244 } 3245 mDexManager.load(userPackages); 3246 if (mIsUpgrade) { 3247 MetricsLogger.histogram(null, "ota_package_manager_init_time", 3248 (int) (SystemClock.uptimeMillis() - startTime)); 3249 } 3250 } // synchronized (mPackages) 3251 } // synchronized (mInstallLock) 3252 3253 // Now after opening every single application zip, make sure they 3254 // are all flushed. Not really needed, but keeps things nice and 3255 // tidy. 3256 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3257 Runtime.getRuntime().gc(); 3258 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3259 3260 // The initial scanning above does many calls into installd while 3261 // holding the mPackages lock, but we're mostly interested in yelling 3262 // once we have a booted system. 3263 mInstaller.setWarnIfHeld(mPackages); 3264 3265 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3266 } 3267 3268 /** 3269 * Uncompress and install stub applications. 3270 * <p>In order to save space on the system partition, some applications are shipped in a 3271 * compressed form. In addition the compressed bits for the full application, the 3272 * system image contains a tiny stub comprised of only the Android manifest. 3273 * <p>During the first boot, attempt to uncompress and install the full application. If 3274 * the application can't be installed for any reason, disable the stub and prevent 3275 * uncompressing the full application during future boots. 3276 * <p>In order to forcefully attempt an installation of a full application, go to app 3277 * settings and enable the application. 3278 */ 3279 private void decompressSystemApplications(@NonNull List<String> stubSystemApps, int scanFlags) { 3280 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3281 final String pkgName = stubSystemApps.get(i); 3282 // skip if the system package is already disabled 3283 if (mSettings.isDisabledSystemPackageLPr(pkgName)) { 3284 stubSystemApps.remove(i); 3285 continue; 3286 } 3287 // skip if the package isn't installed (?!); this should never happen 3288 final PackageParser.Package pkg = mPackages.get(pkgName); 3289 if (pkg == null) { 3290 stubSystemApps.remove(i); 3291 continue; 3292 } 3293 // skip if the package has been disabled by the user 3294 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3295 if (ps != null) { 3296 final int enabledState = ps.getEnabled(UserHandle.USER_SYSTEM); 3297 if (enabledState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) { 3298 stubSystemApps.remove(i); 3299 continue; 3300 } 3301 } 3302 3303 if (DEBUG_COMPRESSION) { 3304 Slog.i(TAG, "Uncompressing system stub; pkg: " + pkgName); 3305 } 3306 3307 // uncompress the binary to its eventual destination on /data 3308 final File scanFile = decompressPackage(pkg); 3309 if (scanFile == null) { 3310 continue; 3311 } 3312 3313 // install the package to replace the stub on /system 3314 try { 3315 mSettings.disableSystemPackageLPw(pkgName, true /*replaced*/); 3316 removePackageLI(pkg, true /*chatty*/); 3317 scanPackageTracedLI(scanFile, 0 /*reparseFlags*/, scanFlags, 0, null); 3318 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3319 UserHandle.USER_SYSTEM, "android"); 3320 stubSystemApps.remove(i); 3321 continue; 3322 } catch (PackageManagerException e) { 3323 Slog.e(TAG, "Failed to parse uncompressed system package: " + e.getMessage()); 3324 } 3325 3326 // any failed attempt to install the package will be cleaned up later 3327 } 3328 3329 // disable any stub still left; these failed to install the full application 3330 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3331 final String pkgName = stubSystemApps.get(i); 3332 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3333 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 3334 UserHandle.USER_SYSTEM, "android"); 3335 logCriticalInfo(Log.ERROR, "Stub disabled; pkg: " + pkgName); 3336 } 3337 } 3338 3339 /** 3340 * Decompresses the given package on the system image onto 3341 * the /data partition. 3342 * @return The directory the package was decompressed into. Otherwise, {@code null}. 3343 */ 3344 private File decompressPackage(PackageParser.Package pkg) { 3345 final File[] compressedFiles = getCompressedFiles(pkg.codePath); 3346 if (compressedFiles == null || compressedFiles.length == 0) { 3347 if (DEBUG_COMPRESSION) { 3348 Slog.i(TAG, "No files to decompress: " + pkg.baseCodePath); 3349 } 3350 return null; 3351 } 3352 final File dstCodePath = 3353 getNextCodePath(Environment.getDataAppDirectory(null), pkg.packageName); 3354 int ret = PackageManager.INSTALL_SUCCEEDED; 3355 try { 3356 Os.mkdir(dstCodePath.getAbsolutePath(), 0755); 3357 Os.chmod(dstCodePath.getAbsolutePath(), 0755); 3358 for (File srcFile : compressedFiles) { 3359 final String srcFileName = srcFile.getName(); 3360 final String dstFileName = srcFileName.substring( 3361 0, srcFileName.length() - COMPRESSED_EXTENSION.length()); 3362 final File dstFile = new File(dstCodePath, dstFileName); 3363 ret = decompressFile(srcFile, dstFile); 3364 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3365 logCriticalInfo(Log.ERROR, "Failed to decompress" 3366 + "; pkg: " + pkg.packageName 3367 + ", file: " + dstFileName); 3368 break; 3369 } 3370 } 3371 } catch (ErrnoException e) { 3372 logCriticalInfo(Log.ERROR, "Failed to decompress" 3373 + "; pkg: " + pkg.packageName 3374 + ", err: " + e.errno); 3375 } 3376 if (ret == PackageManager.INSTALL_SUCCEEDED) { 3377 final File libraryRoot = new File(dstCodePath, LIB_DIR_NAME); 3378 NativeLibraryHelper.Handle handle = null; 3379 try { 3380 handle = NativeLibraryHelper.Handle.create(dstCodePath); 3381 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 3382 null /*abiOverride*/); 3383 } catch (IOException e) { 3384 logCriticalInfo(Log.ERROR, "Failed to extract native libraries" 3385 + "; pkg: " + pkg.packageName); 3386 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 3387 } finally { 3388 IoUtils.closeQuietly(handle); 3389 } 3390 } 3391 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3392 if (dstCodePath == null || !dstCodePath.exists()) { 3393 return null; 3394 } 3395 removeCodePathLI(dstCodePath); 3396 return null; 3397 } 3398 3399 return dstCodePath; 3400 } 3401 3402 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3403 // we're only interested in updating the installer appliction when 1) it's not 3404 // already set or 2) the modified package is the installer 3405 if (mInstantAppInstallerActivity != null 3406 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3407 .equals(modifiedPackage)) { 3408 return; 3409 } 3410 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3411 } 3412 3413 private static File preparePackageParserCache(boolean isUpgrade) { 3414 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3415 return null; 3416 } 3417 3418 // Disable package parsing on eng builds to allow for faster incremental development. 3419 if (Build.IS_ENG) { 3420 return null; 3421 } 3422 3423 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3424 Slog.i(TAG, "Disabling package parser cache due to system property."); 3425 return null; 3426 } 3427 3428 // The base directory for the package parser cache lives under /data/system/. 3429 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3430 "package_cache"); 3431 if (cacheBaseDir == null) { 3432 return null; 3433 } 3434 3435 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3436 // This also serves to "GC" unused entries when the package cache version changes (which 3437 // can only happen during upgrades). 3438 if (isUpgrade) { 3439 FileUtils.deleteContents(cacheBaseDir); 3440 } 3441 3442 3443 // Return the versioned package cache directory. This is something like 3444 // "/data/system/package_cache/1" 3445 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3446 3447 if (cacheDir == null) { 3448 // Something went wrong. Attempt to delete everything and return. 3449 Slog.wtf(TAG, "Cache directory cannot be created - wiping base dir " + cacheBaseDir); 3450 FileUtils.deleteContentsAndDir(cacheBaseDir); 3451 return null; 3452 } 3453 3454 // The following is a workaround to aid development on non-numbered userdebug 3455 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3456 // the system partition is newer. 3457 // 3458 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3459 // that starts with "eng." to signify that this is an engineering build and not 3460 // destined for release. 3461 if (Build.IS_USERDEBUG && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3462 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3463 3464 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3465 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3466 // in general and should not be used for production changes. In this specific case, 3467 // we know that they will work. 3468 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3469 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3470 FileUtils.deleteContents(cacheBaseDir); 3471 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3472 } 3473 } 3474 3475 return cacheDir; 3476 } 3477 3478 @Override 3479 public boolean isFirstBoot() { 3480 // allow instant applications 3481 return mFirstBoot; 3482 } 3483 3484 @Override 3485 public boolean isOnlyCoreApps() { 3486 // allow instant applications 3487 return mOnlyCore; 3488 } 3489 3490 @Override 3491 public boolean isUpgrade() { 3492 // allow instant applications 3493 // The system property allows testing ota flow when upgraded to the same image. 3494 return mIsUpgrade || SystemProperties.getBoolean( 3495 "persist.pm.mock-upgrade", false /* default */); 3496 } 3497 3498 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3499 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3500 3501 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3502 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3503 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3504 if (matches.size() == 1) { 3505 return matches.get(0).getComponentInfo().packageName; 3506 } else if (matches.size() == 0) { 3507 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3508 return null; 3509 } 3510 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3511 } 3512 3513 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3514 synchronized (mPackages) { 3515 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3516 if (libraryEntry == null) { 3517 throw new IllegalStateException("Missing required shared library:" + name); 3518 } 3519 return libraryEntry.apk; 3520 } 3521 } 3522 3523 private @NonNull String getRequiredInstallerLPr() { 3524 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3525 intent.addCategory(Intent.CATEGORY_DEFAULT); 3526 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3527 3528 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3529 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3530 UserHandle.USER_SYSTEM); 3531 if (matches.size() == 1) { 3532 ResolveInfo resolveInfo = matches.get(0); 3533 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3534 throw new RuntimeException("The installer must be a privileged app"); 3535 } 3536 return matches.get(0).getComponentInfo().packageName; 3537 } else { 3538 throw new RuntimeException("There must be exactly one installer; found " + matches); 3539 } 3540 } 3541 3542 private @NonNull String getRequiredUninstallerLPr() { 3543 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3544 intent.addCategory(Intent.CATEGORY_DEFAULT); 3545 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3546 3547 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3548 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3549 UserHandle.USER_SYSTEM); 3550 if (resolveInfo == null || 3551 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3552 throw new RuntimeException("There must be exactly one uninstaller; found " 3553 + resolveInfo); 3554 } 3555 return resolveInfo.getComponentInfo().packageName; 3556 } 3557 3558 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3559 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3560 3561 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3562 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3563 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3564 ResolveInfo best = null; 3565 final int N = matches.size(); 3566 for (int i = 0; i < N; i++) { 3567 final ResolveInfo cur = matches.get(i); 3568 final String packageName = cur.getComponentInfo().packageName; 3569 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3570 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3571 continue; 3572 } 3573 3574 if (best == null || cur.priority > best.priority) { 3575 best = cur; 3576 } 3577 } 3578 3579 if (best != null) { 3580 return best.getComponentInfo().getComponentName(); 3581 } 3582 Slog.w(TAG, "Intent filter verifier not found"); 3583 return null; 3584 } 3585 3586 @Override 3587 public @Nullable ComponentName getInstantAppResolverComponent() { 3588 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3589 return null; 3590 } 3591 synchronized (mPackages) { 3592 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3593 if (instantAppResolver == null) { 3594 return null; 3595 } 3596 return instantAppResolver.first; 3597 } 3598 } 3599 3600 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3601 final String[] packageArray = 3602 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3603 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3604 if (DEBUG_INSTANT) { 3605 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3606 } 3607 return null; 3608 } 3609 3610 final int callingUid = Binder.getCallingUid(); 3611 final int resolveFlags = 3612 MATCH_DIRECT_BOOT_AWARE 3613 | MATCH_DIRECT_BOOT_UNAWARE 3614 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3615 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3616 final Intent resolverIntent = new Intent(actionName); 3617 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3618 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3619 final int N = resolvers.size(); 3620 if (N == 0) { 3621 if (DEBUG_INSTANT) { 3622 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3623 } 3624 return null; 3625 } 3626 3627 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3628 for (int i = 0; i < N; i++) { 3629 final ResolveInfo info = resolvers.get(i); 3630 3631 if (info.serviceInfo == null) { 3632 continue; 3633 } 3634 3635 final String packageName = info.serviceInfo.packageName; 3636 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3637 if (DEBUG_INSTANT) { 3638 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3639 + " pkg: " + packageName + ", info:" + info); 3640 } 3641 continue; 3642 } 3643 3644 if (DEBUG_INSTANT) { 3645 Slog.v(TAG, "Ephemeral resolver found;" 3646 + " pkg: " + packageName + ", info:" + info); 3647 } 3648 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3649 } 3650 if (DEBUG_INSTANT) { 3651 Slog.v(TAG, "Ephemeral resolver NOT found"); 3652 } 3653 return null; 3654 } 3655 3656 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3657 String[] orderedActions = Build.IS_ENG 3658 ? new String[]{ 3659 Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE + "_TEST", 3660 Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE} 3661 : new String[]{ 3662 Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE}; 3663 3664 final int resolveFlags = 3665 MATCH_DIRECT_BOOT_AWARE 3666 | MATCH_DIRECT_BOOT_UNAWARE 3667 | Intent.FLAG_IGNORE_EPHEMERAL 3668 | (!Build.IS_ENG ? MATCH_SYSTEM_ONLY : 0); 3669 final Intent intent = new Intent(); 3670 intent.addCategory(Intent.CATEGORY_DEFAULT); 3671 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3672 List<ResolveInfo> matches = null; 3673 for (String action : orderedActions) { 3674 intent.setAction(action); 3675 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3676 resolveFlags, UserHandle.USER_SYSTEM); 3677 if (matches.isEmpty()) { 3678 if (DEBUG_INSTANT) { 3679 Slog.d(TAG, "Instant App installer not found with " + action); 3680 } 3681 } else { 3682 break; 3683 } 3684 } 3685 Iterator<ResolveInfo> iter = matches.iterator(); 3686 while (iter.hasNext()) { 3687 final ResolveInfo rInfo = iter.next(); 3688 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3689 if (ps != null) { 3690 final PermissionsState permissionsState = ps.getPermissionsState(); 3691 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0) 3692 || Build.IS_ENG) { 3693 continue; 3694 } 3695 } 3696 iter.remove(); 3697 } 3698 if (matches.size() == 0) { 3699 return null; 3700 } else if (matches.size() == 1) { 3701 return (ActivityInfo) matches.get(0).getComponentInfo(); 3702 } else { 3703 throw new RuntimeException( 3704 "There must be at most one ephemeral installer; found " + matches); 3705 } 3706 } 3707 3708 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3709 @NonNull ComponentName resolver) { 3710 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3711 .addCategory(Intent.CATEGORY_DEFAULT) 3712 .setPackage(resolver.getPackageName()); 3713 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3714 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3715 UserHandle.USER_SYSTEM); 3716 if (matches.isEmpty()) { 3717 return null; 3718 } 3719 return matches.get(0).getComponentInfo().getComponentName(); 3720 } 3721 3722 private void primeDomainVerificationsLPw(int userId) { 3723 if (DEBUG_DOMAIN_VERIFICATION) { 3724 Slog.d(TAG, "Priming domain verifications in user " + userId); 3725 } 3726 3727 SystemConfig systemConfig = SystemConfig.getInstance(); 3728 ArraySet<String> packages = systemConfig.getLinkedApps(); 3729 3730 for (String packageName : packages) { 3731 PackageParser.Package pkg = mPackages.get(packageName); 3732 if (pkg != null) { 3733 if (!pkg.isSystem()) { 3734 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3735 continue; 3736 } 3737 3738 ArraySet<String> domains = null; 3739 for (PackageParser.Activity a : pkg.activities) { 3740 for (ActivityIntentInfo filter : a.intents) { 3741 if (hasValidDomains(filter)) { 3742 if (domains == null) { 3743 domains = new ArraySet<String>(); 3744 } 3745 domains.addAll(filter.getHostsList()); 3746 } 3747 } 3748 } 3749 3750 if (domains != null && domains.size() > 0) { 3751 if (DEBUG_DOMAIN_VERIFICATION) { 3752 Slog.v(TAG, " + " + packageName); 3753 } 3754 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3755 // state w.r.t. the formal app-linkage "no verification attempted" state; 3756 // and then 'always' in the per-user state actually used for intent resolution. 3757 final IntentFilterVerificationInfo ivi; 3758 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3759 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3760 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3761 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3762 } else { 3763 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3764 + "' does not handle web links"); 3765 } 3766 } else { 3767 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3768 } 3769 } 3770 3771 scheduleWritePackageRestrictionsLocked(userId); 3772 scheduleWriteSettingsLocked(); 3773 } 3774 3775 private void applyFactoryDefaultBrowserLPw(int userId) { 3776 // The default browser app's package name is stored in a string resource, 3777 // with a product-specific overlay used for vendor customization. 3778 String browserPkg = mContext.getResources().getString( 3779 com.android.internal.R.string.default_browser); 3780 if (!TextUtils.isEmpty(browserPkg)) { 3781 // non-empty string => required to be a known package 3782 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3783 if (ps == null) { 3784 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3785 browserPkg = null; 3786 } else { 3787 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3788 } 3789 } 3790 3791 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3792 // default. If there's more than one, just leave everything alone. 3793 if (browserPkg == null) { 3794 calculateDefaultBrowserLPw(userId); 3795 } 3796 } 3797 3798 private void calculateDefaultBrowserLPw(int userId) { 3799 List<String> allBrowsers = resolveAllBrowserApps(userId); 3800 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3801 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3802 } 3803 3804 private List<String> resolveAllBrowserApps(int userId) { 3805 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3806 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3807 PackageManager.MATCH_ALL, userId); 3808 3809 final int count = list.size(); 3810 List<String> result = new ArrayList<String>(count); 3811 for (int i=0; i<count; i++) { 3812 ResolveInfo info = list.get(i); 3813 if (info.activityInfo == null 3814 || !info.handleAllWebDataURI 3815 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3816 || result.contains(info.activityInfo.packageName)) { 3817 continue; 3818 } 3819 result.add(info.activityInfo.packageName); 3820 } 3821 3822 return result; 3823 } 3824 3825 private boolean packageIsBrowser(String packageName, int userId) { 3826 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3827 PackageManager.MATCH_ALL, userId); 3828 final int N = list.size(); 3829 for (int i = 0; i < N; i++) { 3830 ResolveInfo info = list.get(i); 3831 if (info.priority >= 0 && packageName.equals(info.activityInfo.packageName)) { 3832 return true; 3833 } 3834 } 3835 return false; 3836 } 3837 3838 private void checkDefaultBrowser() { 3839 final int myUserId = UserHandle.myUserId(); 3840 final String packageName = getDefaultBrowserPackageName(myUserId); 3841 if (packageName != null) { 3842 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3843 if (info == null) { 3844 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3845 synchronized (mPackages) { 3846 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3847 } 3848 } 3849 } 3850 } 3851 3852 @Override 3853 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3854 throws RemoteException { 3855 try { 3856 return super.onTransact(code, data, reply, flags); 3857 } catch (RuntimeException e) { 3858 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3859 Slog.wtf(TAG, "Package Manager Crash", e); 3860 } 3861 throw e; 3862 } 3863 } 3864 3865 static int[] appendInts(int[] cur, int[] add) { 3866 if (add == null) return cur; 3867 if (cur == null) return add; 3868 final int N = add.length; 3869 for (int i=0; i<N; i++) { 3870 cur = appendInt(cur, add[i]); 3871 } 3872 return cur; 3873 } 3874 3875 /** 3876 * Returns whether or not a full application can see an instant application. 3877 * <p> 3878 * Currently, there are three cases in which this can occur: 3879 * <ol> 3880 * <li>The calling application is a "special" process. Special processes 3881 * are those with a UID < {@link Process#FIRST_APPLICATION_UID}.</li> 3882 * <li>The calling application has the permission 3883 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}.</li> 3884 * <li>The calling application is the default launcher on the 3885 * system partition.</li> 3886 * </ol> 3887 */ 3888 private boolean canViewInstantApps(int callingUid, int userId) { 3889 if (callingUid < Process.FIRST_APPLICATION_UID) { 3890 return true; 3891 } 3892 if (mContext.checkCallingOrSelfPermission( 3893 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3894 return true; 3895 } 3896 if (mContext.checkCallingOrSelfPermission( 3897 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3898 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3899 if (homeComponent != null 3900 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3901 return true; 3902 } 3903 } 3904 return false; 3905 } 3906 3907 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3908 if (!sUserManager.exists(userId)) return null; 3909 if (ps == null) { 3910 return null; 3911 } 3912 final int callingUid = Binder.getCallingUid(); 3913 // Filter out ephemeral app metadata: 3914 // * The system/shell/root can see metadata for any app 3915 // * An installed app can see metadata for 1) other installed apps 3916 // and 2) ephemeral apps that have explicitly interacted with it 3917 // * Ephemeral apps can only see their own data and exposed installed apps 3918 // * Holding a signature permission allows seeing instant apps 3919 if (filterAppAccessLPr(ps, callingUid, userId)) { 3920 return null; 3921 } 3922 3923 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3924 && ps.isSystem()) { 3925 flags |= MATCH_ANY_USER; 3926 } 3927 3928 final PackageUserState state = ps.readUserState(userId); 3929 PackageParser.Package p = ps.pkg; 3930 if (p != null) { 3931 final PermissionsState permissionsState = ps.getPermissionsState(); 3932 3933 // Compute GIDs only if requested 3934 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3935 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3936 // Compute granted permissions only if package has requested permissions 3937 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3938 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3939 3940 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3941 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3942 3943 if (packageInfo == null) { 3944 return null; 3945 } 3946 3947 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3948 resolveExternalPackageNameLPr(p); 3949 3950 return packageInfo; 3951 } else if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 && state.isAvailable(flags)) { 3952 PackageInfo pi = new PackageInfo(); 3953 pi.packageName = ps.name; 3954 pi.setLongVersionCode(ps.versionCode); 3955 pi.sharedUserId = (ps.sharedUser != null) ? ps.sharedUser.name : null; 3956 pi.firstInstallTime = ps.firstInstallTime; 3957 pi.lastUpdateTime = ps.lastUpdateTime; 3958 3959 ApplicationInfo ai = new ApplicationInfo(); 3960 ai.packageName = ps.name; 3961 ai.uid = UserHandle.getUid(userId, ps.appId); 3962 ai.primaryCpuAbi = ps.primaryCpuAbiString; 3963 ai.secondaryCpuAbi = ps.secondaryCpuAbiString; 3964 ai.setVersionCode(ps.versionCode); 3965 ai.flags = ps.pkgFlags; 3966 ai.privateFlags = ps.pkgPrivateFlags; 3967 pi.applicationInfo = PackageParser.generateApplicationInfo(ai, flags, state, userId); 3968 3969 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "ps.pkg is n/a for [" 3970 + ps.name + "]. Provides a minimum info."); 3971 return pi; 3972 } else { 3973 return null; 3974 } 3975 } 3976 3977 @Override 3978 public void checkPackageStartable(String packageName, int userId) { 3979 final int callingUid = Binder.getCallingUid(); 3980 if (getInstantAppPackageName(callingUid) != null) { 3981 throw new SecurityException("Instant applications don't have access to this method"); 3982 } 3983 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3984 synchronized (mPackages) { 3985 final PackageSetting ps = mSettings.mPackages.get(packageName); 3986 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 3987 throw new SecurityException("Package " + packageName + " was not found!"); 3988 } 3989 3990 if (!ps.getInstalled(userId)) { 3991 throw new SecurityException( 3992 "Package " + packageName + " was not installed for user " + userId + "!"); 3993 } 3994 3995 if (mSafeMode && !ps.isSystem()) { 3996 throw new SecurityException("Package " + packageName + " not a system app!"); 3997 } 3998 3999 if (mFrozenPackages.contains(packageName)) { 4000 throw new SecurityException("Package " + packageName + " is currently frozen!"); 4001 } 4002 4003 if (!userKeyUnlocked && !ps.pkg.applicationInfo.isEncryptionAware()) { 4004 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 4005 } 4006 } 4007 } 4008 4009 @Override 4010 public boolean isPackageAvailable(String packageName, int userId) { 4011 if (!sUserManager.exists(userId)) return false; 4012 final int callingUid = Binder.getCallingUid(); 4013 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4014 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 4015 synchronized (mPackages) { 4016 PackageParser.Package p = mPackages.get(packageName); 4017 if (p != null) { 4018 final PackageSetting ps = (PackageSetting) p.mExtras; 4019 if (filterAppAccessLPr(ps, callingUid, userId)) { 4020 return false; 4021 } 4022 if (ps != null) { 4023 final PackageUserState state = ps.readUserState(userId); 4024 if (state != null) { 4025 return PackageParser.isAvailable(state); 4026 } 4027 } 4028 } 4029 } 4030 return false; 4031 } 4032 4033 @Override 4034 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 4035 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 4036 flags, Binder.getCallingUid(), userId); 4037 } 4038 4039 @Override 4040 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 4041 int flags, int userId) { 4042 return getPackageInfoInternal(versionedPackage.getPackageName(), 4043 versionedPackage.getLongVersionCode(), flags, Binder.getCallingUid(), userId); 4044 } 4045 4046 /** 4047 * Important: The provided filterCallingUid is used exclusively to filter out packages 4048 * that can be seen based on user state. It's typically the original caller uid prior 4049 * to clearing. Because it can only be provided by trusted code, it's value can be 4050 * trusted and will be used as-is; unlike userId which will be validated by this method. 4051 */ 4052 private PackageInfo getPackageInfoInternal(String packageName, long versionCode, 4053 int flags, int filterCallingUid, int userId) { 4054 if (!sUserManager.exists(userId)) return null; 4055 flags = updateFlagsForPackage(flags, userId, packageName); 4056 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4057 false /* requireFullPermission */, false /* checkShell */, "get package info"); 4058 4059 // reader 4060 synchronized (mPackages) { 4061 // Normalize package name to handle renamed packages and static libs 4062 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 4063 4064 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 4065 if (matchFactoryOnly) { 4066 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 4067 if (ps != null) { 4068 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4069 return null; 4070 } 4071 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4072 return null; 4073 } 4074 return generatePackageInfo(ps, flags, userId); 4075 } 4076 } 4077 4078 PackageParser.Package p = mPackages.get(packageName); 4079 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 4080 return null; 4081 } 4082 if (DEBUG_PACKAGE_INFO) 4083 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 4084 if (p != null) { 4085 final PackageSetting ps = (PackageSetting) p.mExtras; 4086 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4087 return null; 4088 } 4089 if (ps != null && filterAppAccessLPr(ps, filterCallingUid, userId)) { 4090 return null; 4091 } 4092 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 4093 } 4094 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 4095 final PackageSetting ps = mSettings.mPackages.get(packageName); 4096 if (ps == null) return null; 4097 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4098 return null; 4099 } 4100 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4101 return null; 4102 } 4103 return generatePackageInfo(ps, flags, userId); 4104 } 4105 } 4106 return null; 4107 } 4108 4109 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 4110 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 4111 return true; 4112 } 4113 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 4114 return true; 4115 } 4116 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 4117 return true; 4118 } 4119 return false; 4120 } 4121 4122 private boolean isComponentVisibleToInstantApp( 4123 @Nullable ComponentName component, @ComponentType int type) { 4124 if (type == TYPE_ACTIVITY) { 4125 final PackageParser.Activity activity = mActivities.mActivities.get(component); 4126 if (activity == null) { 4127 return false; 4128 } 4129 final boolean visibleToInstantApp = 4130 (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 4131 final boolean explicitlyVisibleToInstantApp = 4132 (activity.info.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 4133 return visibleToInstantApp && explicitlyVisibleToInstantApp; 4134 } else if (type == TYPE_RECEIVER) { 4135 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 4136 if (activity == null) { 4137 return false; 4138 } 4139 final boolean visibleToInstantApp = 4140 (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 4141 final boolean explicitlyVisibleToInstantApp = 4142 (activity.info.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 4143 return visibleToInstantApp && !explicitlyVisibleToInstantApp; 4144 } else if (type == TYPE_SERVICE) { 4145 final PackageParser.Service service = mServices.mServices.get(component); 4146 return service != null 4147 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 4148 : false; 4149 } else if (type == TYPE_PROVIDER) { 4150 final PackageParser.Provider provider = mProviders.mProviders.get(component); 4151 return provider != null 4152 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 4153 : false; 4154 } else if (type == TYPE_UNKNOWN) { 4155 return isComponentVisibleToInstantApp(component); 4156 } 4157 return false; 4158 } 4159 4160 /** 4161 * Returns whether or not access to the application should be filtered. 4162 * <p> 4163 * Access may be limited based upon whether the calling or target applications 4164 * are instant applications. 4165 * 4166 * @see #canAccessInstantApps(int) 4167 */ 4168 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 4169 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 4170 // if we're in an isolated process, get the real calling UID 4171 if (Process.isIsolated(callingUid)) { 4172 callingUid = mIsolatedOwners.get(callingUid); 4173 } 4174 final String instantAppPkgName = getInstantAppPackageName(callingUid); 4175 final boolean callerIsInstantApp = instantAppPkgName != null; 4176 if (ps == null) { 4177 if (callerIsInstantApp) { 4178 // pretend the application exists, but, needs to be filtered 4179 return true; 4180 } 4181 return false; 4182 } 4183 // if the target and caller are the same application, don't filter 4184 if (isCallerSameApp(ps.name, callingUid)) { 4185 return false; 4186 } 4187 if (callerIsInstantApp) { 4188 // both caller and target are both instant, but, different applications, filter 4189 if (ps.getInstantApp(userId)) { 4190 return true; 4191 } 4192 // request for a specific component; if it hasn't been explicitly exposed through 4193 // property or instrumentation target, filter 4194 if (component != null) { 4195 final PackageParser.Instrumentation instrumentation = 4196 mInstrumentation.get(component); 4197 if (instrumentation != null 4198 && isCallerSameApp(instrumentation.info.targetPackage, callingUid)) { 4199 return false; 4200 } 4201 return !isComponentVisibleToInstantApp(component, componentType); 4202 } 4203 // request for application; if no components have been explicitly exposed, filter 4204 return !ps.pkg.visibleToInstantApps; 4205 } 4206 if (ps.getInstantApp(userId)) { 4207 // caller can see all components of all instant applications, don't filter 4208 if (canViewInstantApps(callingUid, userId)) { 4209 return false; 4210 } 4211 // request for a specific instant application component, filter 4212 if (component != null) { 4213 return true; 4214 } 4215 // request for an instant application; if the caller hasn't been granted access, filter 4216 return !mInstantAppRegistry.isInstantAccessGranted( 4217 userId, UserHandle.getAppId(callingUid), ps.appId); 4218 } 4219 return false; 4220 } 4221 4222 /** 4223 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 4224 */ 4225 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 4226 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 4227 } 4228 4229 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 4230 int flags) { 4231 // Callers can access only the libs they depend on, otherwise they need to explicitly 4232 // ask for the shared libraries given the caller is allowed to access all static libs. 4233 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 4234 // System/shell/root get to see all static libs 4235 final int appId = UserHandle.getAppId(uid); 4236 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 4237 || appId == Process.ROOT_UID) { 4238 return false; 4239 } 4240 // Installer gets to see all static libs. 4241 if (PackageManager.PERMISSION_GRANTED 4242 == checkUidPermission(Manifest.permission.INSTALL_PACKAGES, uid)) { 4243 return false; 4244 } 4245 } 4246 4247 // No package means no static lib as it is always on internal storage 4248 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4249 return false; 4250 } 4251 4252 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 4253 ps.pkg.staticSharedLibVersion); 4254 if (libEntry == null) { 4255 return false; 4256 } 4257 4258 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 4259 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 4260 if (uidPackageNames == null) { 4261 return true; 4262 } 4263 4264 for (String uidPackageName : uidPackageNames) { 4265 if (ps.name.equals(uidPackageName)) { 4266 return false; 4267 } 4268 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 4269 if (uidPs != null) { 4270 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 4271 libEntry.info.getName()); 4272 if (index < 0) { 4273 continue; 4274 } 4275 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getLongVersion()) { 4276 return false; 4277 } 4278 } 4279 } 4280 return true; 4281 } 4282 4283 @Override 4284 public String[] currentToCanonicalPackageNames(String[] names) { 4285 final int callingUid = Binder.getCallingUid(); 4286 if (getInstantAppPackageName(callingUid) != null) { 4287 return names; 4288 } 4289 final String[] out = new String[names.length]; 4290 // reader 4291 synchronized (mPackages) { 4292 final int callingUserId = UserHandle.getUserId(callingUid); 4293 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4294 for (int i=names.length-1; i>=0; i--) { 4295 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4296 boolean translateName = false; 4297 if (ps != null && ps.realName != null) { 4298 final boolean targetIsInstantApp = ps.getInstantApp(callingUserId); 4299 translateName = !targetIsInstantApp 4300 || canViewInstantApps 4301 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4302 UserHandle.getAppId(callingUid), ps.appId); 4303 } 4304 out[i] = translateName ? ps.realName : names[i]; 4305 } 4306 } 4307 return out; 4308 } 4309 4310 @Override 4311 public String[] canonicalToCurrentPackageNames(String[] names) { 4312 final int callingUid = Binder.getCallingUid(); 4313 if (getInstantAppPackageName(callingUid) != null) { 4314 return names; 4315 } 4316 final String[] out = new String[names.length]; 4317 // reader 4318 synchronized (mPackages) { 4319 final int callingUserId = UserHandle.getUserId(callingUid); 4320 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4321 for (int i=names.length-1; i>=0; i--) { 4322 final String cur = mSettings.getRenamedPackageLPr(names[i]); 4323 boolean translateName = false; 4324 if (cur != null) { 4325 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4326 final boolean targetIsInstantApp = 4327 ps != null && ps.getInstantApp(callingUserId); 4328 translateName = !targetIsInstantApp 4329 || canViewInstantApps 4330 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4331 UserHandle.getAppId(callingUid), ps.appId); 4332 } 4333 out[i] = translateName ? cur : names[i]; 4334 } 4335 } 4336 return out; 4337 } 4338 4339 @Override 4340 public int getPackageUid(String packageName, int flags, int userId) { 4341 if (!sUserManager.exists(userId)) return -1; 4342 final int callingUid = Binder.getCallingUid(); 4343 flags = updateFlagsForPackage(flags, userId, packageName); 4344 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4345 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 4346 4347 // reader 4348 synchronized (mPackages) { 4349 final PackageParser.Package p = mPackages.get(packageName); 4350 if (p != null && p.isMatch(flags)) { 4351 PackageSetting ps = (PackageSetting) p.mExtras; 4352 if (filterAppAccessLPr(ps, callingUid, userId)) { 4353 return -1; 4354 } 4355 return UserHandle.getUid(userId, p.applicationInfo.uid); 4356 } 4357 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4358 final PackageSetting ps = mSettings.mPackages.get(packageName); 4359 if (ps != null && ps.isMatch(flags) 4360 && !filterAppAccessLPr(ps, callingUid, userId)) { 4361 return UserHandle.getUid(userId, ps.appId); 4362 } 4363 } 4364 } 4365 4366 return -1; 4367 } 4368 4369 @Override 4370 public int[] getPackageGids(String packageName, int flags, int userId) { 4371 if (!sUserManager.exists(userId)) return null; 4372 final int callingUid = Binder.getCallingUid(); 4373 flags = updateFlagsForPackage(flags, userId, packageName); 4374 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4375 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 4376 4377 // reader 4378 synchronized (mPackages) { 4379 final PackageParser.Package p = mPackages.get(packageName); 4380 if (p != null && p.isMatch(flags)) { 4381 PackageSetting ps = (PackageSetting) p.mExtras; 4382 if (filterAppAccessLPr(ps, callingUid, userId)) { 4383 return null; 4384 } 4385 // TODO: Shouldn't this be checking for package installed state for userId and 4386 // return null? 4387 return ps.getPermissionsState().computeGids(userId); 4388 } 4389 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4390 final PackageSetting ps = mSettings.mPackages.get(packageName); 4391 if (ps != null && ps.isMatch(flags) 4392 && !filterAppAccessLPr(ps, callingUid, userId)) { 4393 return ps.getPermissionsState().computeGids(userId); 4394 } 4395 } 4396 } 4397 4398 return null; 4399 } 4400 4401 @Override 4402 public PermissionInfo getPermissionInfo(String name, String packageName, int flags) { 4403 return mPermissionManager.getPermissionInfo(name, packageName, flags, getCallingUid()); 4404 } 4405 4406 @Override 4407 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String groupName, 4408 int flags) { 4409 final List<PermissionInfo> permissionList = 4410 mPermissionManager.getPermissionInfoByGroup(groupName, flags, getCallingUid()); 4411 return (permissionList == null) ? null : new ParceledListSlice<>(permissionList); 4412 } 4413 4414 @Override 4415 public PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags) { 4416 return mPermissionManager.getPermissionGroupInfo(groupName, flags, getCallingUid()); 4417 } 4418 4419 @Override 4420 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4421 final List<PermissionGroupInfo> permissionList = 4422 mPermissionManager.getAllPermissionGroups(flags, getCallingUid()); 4423 return (permissionList == null) 4424 ? ParceledListSlice.emptyList() : new ParceledListSlice<>(permissionList); 4425 } 4426 4427 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4428 int filterCallingUid, int userId) { 4429 if (!sUserManager.exists(userId)) return null; 4430 PackageSetting ps = mSettings.mPackages.get(packageName); 4431 if (ps != null) { 4432 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4433 return null; 4434 } 4435 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4436 return null; 4437 } 4438 if (ps.pkg == null) { 4439 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4440 if (pInfo != null) { 4441 return pInfo.applicationInfo; 4442 } 4443 return null; 4444 } 4445 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4446 ps.readUserState(userId), userId); 4447 if (ai != null) { 4448 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4449 } 4450 return ai; 4451 } 4452 return null; 4453 } 4454 4455 @Override 4456 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4457 return getApplicationInfoInternal(packageName, flags, Binder.getCallingUid(), userId); 4458 } 4459 4460 /** 4461 * Important: The provided filterCallingUid is used exclusively to filter out applications 4462 * that can be seen based on user state. It's typically the original caller uid prior 4463 * to clearing. Because it can only be provided by trusted code, it's value can be 4464 * trusted and will be used as-is; unlike userId which will be validated by this method. 4465 */ 4466 private ApplicationInfo getApplicationInfoInternal(String packageName, int flags, 4467 int filterCallingUid, int userId) { 4468 if (!sUserManager.exists(userId)) return null; 4469 flags = updateFlagsForApplication(flags, userId, packageName); 4470 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4471 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4472 4473 // writer 4474 synchronized (mPackages) { 4475 // Normalize package name to handle renamed packages and static libs 4476 packageName = resolveInternalPackageNameLPr(packageName, 4477 PackageManager.VERSION_CODE_HIGHEST); 4478 4479 PackageParser.Package p = mPackages.get(packageName); 4480 if (DEBUG_PACKAGE_INFO) Log.v( 4481 TAG, "getApplicationInfo " + packageName 4482 + ": " + p); 4483 if (p != null) { 4484 PackageSetting ps = mSettings.mPackages.get(packageName); 4485 if (ps == null) return null; 4486 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4487 return null; 4488 } 4489 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4490 return null; 4491 } 4492 // Note: isEnabledLP() does not apply here - always return info 4493 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4494 p, flags, ps.readUserState(userId), userId); 4495 if (ai != null) { 4496 ai.packageName = resolveExternalPackageNameLPr(p); 4497 } 4498 return ai; 4499 } 4500 if ("android".equals(packageName)||"system".equals(packageName)) { 4501 return mAndroidApplication; 4502 } 4503 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4504 // Already generates the external package name 4505 return generateApplicationInfoFromSettingsLPw(packageName, 4506 flags, filterCallingUid, userId); 4507 } 4508 } 4509 return null; 4510 } 4511 4512 private String normalizePackageNameLPr(String packageName) { 4513 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4514 return normalizedPackageName != null ? normalizedPackageName : packageName; 4515 } 4516 4517 @Override 4518 public void deletePreloadsFileCache() { 4519 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4520 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4521 } 4522 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4523 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4524 FileUtils.deleteContents(dir); 4525 } 4526 4527 @Override 4528 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4529 final int storageFlags, final IPackageDataObserver observer) { 4530 mContext.enforceCallingOrSelfPermission( 4531 android.Manifest.permission.CLEAR_APP_CACHE, null); 4532 mHandler.post(() -> { 4533 boolean success = false; 4534 try { 4535 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4536 success = true; 4537 } catch (IOException e) { 4538 Slog.w(TAG, e); 4539 } 4540 if (observer != null) { 4541 try { 4542 observer.onRemoveCompleted(null, success); 4543 } catch (RemoteException e) { 4544 Slog.w(TAG, e); 4545 } 4546 } 4547 }); 4548 } 4549 4550 @Override 4551 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4552 final int storageFlags, final IntentSender pi) { 4553 mContext.enforceCallingOrSelfPermission( 4554 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4555 mHandler.post(() -> { 4556 boolean success = false; 4557 try { 4558 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4559 success = true; 4560 } catch (IOException e) { 4561 Slog.w(TAG, e); 4562 } 4563 if (pi != null) { 4564 try { 4565 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4566 } catch (SendIntentException e) { 4567 Slog.w(TAG, e); 4568 } 4569 } 4570 }); 4571 } 4572 4573 /** 4574 * Blocking call to clear various types of cached data across the system 4575 * until the requested bytes are available. 4576 */ 4577 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4578 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4579 final File file = storage.findPathForUuid(volumeUuid); 4580 if (file.getUsableSpace() >= bytes) return; 4581 4582 if (ENABLE_FREE_CACHE_V2) { 4583 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4584 volumeUuid); 4585 final boolean aggressive = (storageFlags 4586 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4587 final long reservedBytes = storage.getStorageCacheBytes(file, storageFlags); 4588 4589 // 1. Pre-flight to determine if we have any chance to succeed 4590 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4591 if (internalVolume && (aggressive || SystemProperties 4592 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4593 deletePreloadsFileCache(); 4594 if (file.getUsableSpace() >= bytes) return; 4595 } 4596 4597 // 3. Consider parsed APK data (aggressive only) 4598 if (internalVolume && aggressive) { 4599 FileUtils.deleteContents(mCacheDir); 4600 if (file.getUsableSpace() >= bytes) return; 4601 } 4602 4603 // 4. Consider cached app data (above quotas) 4604 try { 4605 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4606 Installer.FLAG_FREE_CACHE_V2); 4607 } catch (InstallerException ignored) { 4608 } 4609 if (file.getUsableSpace() >= bytes) return; 4610 4611 // 5. Consider shared libraries with refcount=0 and age>min cache period 4612 if (internalVolume && pruneUnusedStaticSharedLibraries(bytes, 4613 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4614 Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD, 4615 DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD))) { 4616 return; 4617 } 4618 4619 // 6. Consider dexopt output (aggressive only) 4620 // TODO: Implement 4621 4622 // 7. Consider installed instant apps unused longer than min cache period 4623 if (internalVolume && mInstantAppRegistry.pruneInstalledInstantApps(bytes, 4624 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4625 Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4626 InstantAppRegistry.DEFAULT_INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4627 return; 4628 } 4629 4630 // 8. Consider cached app data (below quotas) 4631 try { 4632 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4633 Installer.FLAG_FREE_CACHE_V2 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4634 } catch (InstallerException ignored) { 4635 } 4636 if (file.getUsableSpace() >= bytes) return; 4637 4638 // 9. Consider DropBox entries 4639 // TODO: Implement 4640 4641 // 10. Consider instant meta-data (uninstalled apps) older that min cache period 4642 if (internalVolume && mInstantAppRegistry.pruneUninstalledInstantApps(bytes, 4643 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4644 Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4645 InstantAppRegistry.DEFAULT_UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4646 return; 4647 } 4648 } else { 4649 try { 4650 mInstaller.freeCache(volumeUuid, bytes, 0, 0); 4651 } catch (InstallerException ignored) { 4652 } 4653 if (file.getUsableSpace() >= bytes) return; 4654 } 4655 4656 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4657 } 4658 4659 private boolean pruneUnusedStaticSharedLibraries(long neededSpace, long maxCachePeriod) 4660 throws IOException { 4661 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4662 final File volume = storage.findPathForUuid(StorageManager.UUID_PRIVATE_INTERNAL); 4663 4664 List<VersionedPackage> packagesToDelete = null; 4665 final long now = System.currentTimeMillis(); 4666 4667 synchronized (mPackages) { 4668 final int[] allUsers = sUserManager.getUserIds(); 4669 final int libCount = mSharedLibraries.size(); 4670 for (int i = 0; i < libCount; i++) { 4671 final LongSparseArray<SharedLibraryEntry> versionedLib 4672 = mSharedLibraries.valueAt(i); 4673 if (versionedLib == null) { 4674 continue; 4675 } 4676 final int versionCount = versionedLib.size(); 4677 for (int j = 0; j < versionCount; j++) { 4678 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4679 // Skip packages that are not static shared libs. 4680 if (!libInfo.isStatic()) { 4681 break; 4682 } 4683 // Important: We skip static shared libs used for some user since 4684 // in such a case we need to keep the APK on the device. The check for 4685 // a lib being used for any user is performed by the uninstall call. 4686 final VersionedPackage declaringPackage = libInfo.getDeclaringPackage(); 4687 // Resolve the package name - we use synthetic package names internally 4688 final String internalPackageName = resolveInternalPackageNameLPr( 4689 declaringPackage.getPackageName(), 4690 declaringPackage.getLongVersionCode()); 4691 final PackageSetting ps = mSettings.getPackageLPr(internalPackageName); 4692 // Skip unused static shared libs cached less than the min period 4693 // to prevent pruning a lib needed by a subsequently installed package. 4694 if (ps == null || now - ps.lastUpdateTime < maxCachePeriod) { 4695 continue; 4696 } 4697 if (packagesToDelete == null) { 4698 packagesToDelete = new ArrayList<>(); 4699 } 4700 packagesToDelete.add(new VersionedPackage(internalPackageName, 4701 declaringPackage.getLongVersionCode())); 4702 } 4703 } 4704 } 4705 4706 if (packagesToDelete != null) { 4707 final int packageCount = packagesToDelete.size(); 4708 for (int i = 0; i < packageCount; i++) { 4709 final VersionedPackage pkgToDelete = packagesToDelete.get(i); 4710 // Delete the package synchronously (will fail of the lib used for any user). 4711 if (deletePackageX(pkgToDelete.getPackageName(), pkgToDelete.getLongVersionCode(), 4712 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS) 4713 == PackageManager.DELETE_SUCCEEDED) { 4714 if (volume.getUsableSpace() >= neededSpace) { 4715 return true; 4716 } 4717 } 4718 } 4719 } 4720 4721 return false; 4722 } 4723 4724 /** 4725 * Update given flags based on encryption status of current user. 4726 */ 4727 private int updateFlags(int flags, int userId) { 4728 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4729 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4730 // Caller expressed an explicit opinion about what encryption 4731 // aware/unaware components they want to see, so fall through and 4732 // give them what they want 4733 } else { 4734 // Caller expressed no opinion, so match based on user state 4735 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4736 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4737 } else { 4738 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4739 } 4740 } 4741 return flags; 4742 } 4743 4744 private UserManagerInternal getUserManagerInternal() { 4745 if (mUserManagerInternal == null) { 4746 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4747 } 4748 return mUserManagerInternal; 4749 } 4750 4751 private ActivityManagerInternal getActivityManagerInternal() { 4752 if (mActivityManagerInternal == null) { 4753 mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class); 4754 } 4755 return mActivityManagerInternal; 4756 } 4757 4758 4759 private DeviceIdleController.LocalService getDeviceIdleController() { 4760 if (mDeviceIdleController == null) { 4761 mDeviceIdleController = 4762 LocalServices.getService(DeviceIdleController.LocalService.class); 4763 } 4764 return mDeviceIdleController; 4765 } 4766 4767 /** 4768 * Update given flags when being used to request {@link PackageInfo}. 4769 */ 4770 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4771 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4772 boolean triaged = true; 4773 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4774 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4775 // Caller is asking for component details, so they'd better be 4776 // asking for specific encryption matching behavior, or be triaged 4777 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4778 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4779 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4780 triaged = false; 4781 } 4782 } 4783 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4784 | PackageManager.MATCH_SYSTEM_ONLY 4785 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4786 triaged = false; 4787 } 4788 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4789 // require the permission to be held; the calling uid and given user id referring 4790 // to the same user is not sufficient 4791 mPermissionManager.enforceCrossUserPermission( 4792 Binder.getCallingUid(), userId, false, false, 4793 !isRecentsAccessingChildProfiles(Binder.getCallingUid(), userId), 4794 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4795 + Debug.getCallers(5)); 4796 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4797 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4798 // If the caller wants all packages and has a restricted profile associated with it, 4799 // then match all users. This is to make sure that launchers that need to access work 4800 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4801 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4802 flags |= PackageManager.MATCH_ANY_USER; 4803 } 4804 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4805 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4806 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4807 } 4808 return updateFlags(flags, userId); 4809 } 4810 4811 /** 4812 * Update given flags when being used to request {@link ApplicationInfo}. 4813 */ 4814 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4815 return updateFlagsForPackage(flags, userId, cookie); 4816 } 4817 4818 /** 4819 * Update given flags when being used to request {@link ComponentInfo}. 4820 */ 4821 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4822 if (cookie instanceof Intent) { 4823 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4824 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4825 } 4826 } 4827 4828 boolean triaged = true; 4829 // Caller is asking for component details, so they'd better be 4830 // asking for specific encryption matching behavior, or be triaged 4831 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4832 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4833 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4834 triaged = false; 4835 } 4836 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4837 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4838 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4839 } 4840 4841 return updateFlags(flags, userId); 4842 } 4843 4844 /** 4845 * Update given intent when being used to request {@link ResolveInfo}. 4846 */ 4847 private Intent updateIntentForResolve(Intent intent) { 4848 if (intent.getSelector() != null) { 4849 intent = intent.getSelector(); 4850 } 4851 if (DEBUG_PREFERRED) { 4852 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4853 } 4854 return intent; 4855 } 4856 4857 /** 4858 * Update given flags when being used to request {@link ResolveInfo}. 4859 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4860 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4861 * flag set. However, this flag is only honoured in three circumstances: 4862 * <ul> 4863 * <li>when called from a system process</li> 4864 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4865 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4866 * action and a {@code android.intent.category.BROWSABLE} category</li> 4867 * </ul> 4868 */ 4869 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4870 return updateFlagsForResolve(flags, userId, intent, callingUid, 4871 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4872 } 4873 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4874 boolean wantInstantApps) { 4875 return updateFlagsForResolve(flags, userId, intent, callingUid, 4876 wantInstantApps, false /*onlyExposedExplicitly*/); 4877 } 4878 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4879 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4880 // Safe mode means we shouldn't match any third-party components 4881 if (mSafeMode) { 4882 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4883 } 4884 if (getInstantAppPackageName(callingUid) != null) { 4885 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4886 if (onlyExposedExplicitly) { 4887 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4888 } 4889 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4890 flags |= PackageManager.MATCH_INSTANT; 4891 } else { 4892 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4893 final boolean allowMatchInstant = wantInstantApps 4894 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4895 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4896 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4897 if (!allowMatchInstant) { 4898 flags &= ~PackageManager.MATCH_INSTANT; 4899 } 4900 } 4901 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4902 } 4903 4904 @Override 4905 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4906 return getActivityInfoInternal(component, flags, Binder.getCallingUid(), userId); 4907 } 4908 4909 /** 4910 * Important: The provided filterCallingUid is used exclusively to filter out activities 4911 * that can be seen based on user state. It's typically the original caller uid prior 4912 * to clearing. Because it can only be provided by trusted code, it's value can be 4913 * trusted and will be used as-is; unlike userId which will be validated by this method. 4914 */ 4915 private ActivityInfo getActivityInfoInternal(ComponentName component, int flags, 4916 int filterCallingUid, int userId) { 4917 if (!sUserManager.exists(userId)) return null; 4918 flags = updateFlagsForComponent(flags, userId, component); 4919 4920 if (!isRecentsAccessingChildProfiles(Binder.getCallingUid(), userId)) { 4921 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4922 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4923 } 4924 4925 synchronized (mPackages) { 4926 PackageParser.Activity a = mActivities.mActivities.get(component); 4927 4928 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4929 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4930 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4931 if (ps == null) return null; 4932 if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, userId)) { 4933 return null; 4934 } 4935 return PackageParser.generateActivityInfo( 4936 a, flags, ps.readUserState(userId), userId); 4937 } 4938 if (mResolveComponentName.equals(component)) { 4939 return PackageParser.generateActivityInfo( 4940 mResolveActivity, flags, new PackageUserState(), userId); 4941 } 4942 } 4943 return null; 4944 } 4945 4946 private boolean isRecentsAccessingChildProfiles(int callingUid, int targetUserId) { 4947 if (!getActivityManagerInternal().isCallerRecents(callingUid)) { 4948 return false; 4949 } 4950 final long token = Binder.clearCallingIdentity(); 4951 try { 4952 final int callingUserId = UserHandle.getUserId(callingUid); 4953 if (ActivityManager.getCurrentUser() != callingUserId) { 4954 return false; 4955 } 4956 return sUserManager.isSameProfileGroup(callingUserId, targetUserId); 4957 } finally { 4958 Binder.restoreCallingIdentity(token); 4959 } 4960 } 4961 4962 @Override 4963 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4964 String resolvedType) { 4965 synchronized (mPackages) { 4966 if (component.equals(mResolveComponentName)) { 4967 // The resolver supports EVERYTHING! 4968 return true; 4969 } 4970 final int callingUid = Binder.getCallingUid(); 4971 final int callingUserId = UserHandle.getUserId(callingUid); 4972 PackageParser.Activity a = mActivities.mActivities.get(component); 4973 if (a == null) { 4974 return false; 4975 } 4976 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4977 if (ps == null) { 4978 return false; 4979 } 4980 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4981 return false; 4982 } 4983 for (int i=0; i<a.intents.size(); i++) { 4984 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4985 intent.getData(), intent.getCategories(), TAG) >= 0) { 4986 return true; 4987 } 4988 } 4989 return false; 4990 } 4991 } 4992 4993 @Override 4994 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4995 if (!sUserManager.exists(userId)) return null; 4996 final int callingUid = Binder.getCallingUid(); 4997 flags = updateFlagsForComponent(flags, userId, component); 4998 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4999 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 5000 synchronized (mPackages) { 5001 PackageParser.Activity a = mReceivers.mActivities.get(component); 5002 if (DEBUG_PACKAGE_INFO) Log.v( 5003 TAG, "getReceiverInfo " + component + ": " + a); 5004 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 5005 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 5006 if (ps == null) return null; 5007 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 5008 return null; 5009 } 5010 return PackageParser.generateActivityInfo( 5011 a, flags, ps.readUserState(userId), userId); 5012 } 5013 } 5014 return null; 5015 } 5016 5017 @Override 5018 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 5019 int flags, int userId) { 5020 if (!sUserManager.exists(userId)) return null; 5021 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 5022 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5023 return null; 5024 } 5025 5026 flags = updateFlagsForPackage(flags, userId, null); 5027 5028 final boolean canSeeStaticLibraries = 5029 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 5030 == PERMISSION_GRANTED 5031 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 5032 == PERMISSION_GRANTED 5033 || canRequestPackageInstallsInternal(packageName, 5034 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 5035 false /* throwIfPermNotDeclared*/) 5036 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 5037 == PERMISSION_GRANTED; 5038 5039 synchronized (mPackages) { 5040 List<SharedLibraryInfo> result = null; 5041 5042 final int libCount = mSharedLibraries.size(); 5043 for (int i = 0; i < libCount; i++) { 5044 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 5045 if (versionedLib == null) { 5046 continue; 5047 } 5048 5049 final int versionCount = versionedLib.size(); 5050 for (int j = 0; j < versionCount; j++) { 5051 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 5052 if (!canSeeStaticLibraries && libInfo.isStatic()) { 5053 break; 5054 } 5055 final long identity = Binder.clearCallingIdentity(); 5056 try { 5057 PackageInfo packageInfo = getPackageInfoVersioned( 5058 libInfo.getDeclaringPackage(), flags 5059 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 5060 if (packageInfo == null) { 5061 continue; 5062 } 5063 } finally { 5064 Binder.restoreCallingIdentity(identity); 5065 } 5066 5067 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 5068 libInfo.getLongVersion(), libInfo.getType(), 5069 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 5070 flags, userId)); 5071 5072 if (result == null) { 5073 result = new ArrayList<>(); 5074 } 5075 result.add(resLibInfo); 5076 } 5077 } 5078 5079 return result != null ? new ParceledListSlice<>(result) : null; 5080 } 5081 } 5082 5083 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 5084 SharedLibraryInfo libInfo, int flags, int userId) { 5085 List<VersionedPackage> versionedPackages = null; 5086 final int packageCount = mSettings.mPackages.size(); 5087 for (int i = 0; i < packageCount; i++) { 5088 PackageSetting ps = mSettings.mPackages.valueAt(i); 5089 5090 if (ps == null) { 5091 continue; 5092 } 5093 5094 if (!ps.getUserState().get(userId).isAvailable(flags)) { 5095 continue; 5096 } 5097 5098 final String libName = libInfo.getName(); 5099 if (libInfo.isStatic()) { 5100 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 5101 if (libIdx < 0) { 5102 continue; 5103 } 5104 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getLongVersion()) { 5105 continue; 5106 } 5107 if (versionedPackages == null) { 5108 versionedPackages = new ArrayList<>(); 5109 } 5110 // If the dependent is a static shared lib, use the public package name 5111 String dependentPackageName = ps.name; 5112 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 5113 dependentPackageName = ps.pkg.manifestPackageName; 5114 } 5115 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 5116 } else if (ps.pkg != null) { 5117 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 5118 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 5119 if (versionedPackages == null) { 5120 versionedPackages = new ArrayList<>(); 5121 } 5122 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 5123 } 5124 } 5125 } 5126 5127 return versionedPackages; 5128 } 5129 5130 @Override 5131 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 5132 if (!sUserManager.exists(userId)) return null; 5133 final int callingUid = Binder.getCallingUid(); 5134 flags = updateFlagsForComponent(flags, userId, component); 5135 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5136 false /* requireFullPermission */, false /* checkShell */, "get service info"); 5137 synchronized (mPackages) { 5138 PackageParser.Service s = mServices.mServices.get(component); 5139 if (DEBUG_PACKAGE_INFO) Log.v( 5140 TAG, "getServiceInfo " + component + ": " + s); 5141 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 5142 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 5143 if (ps == null) return null; 5144 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 5145 return null; 5146 } 5147 return PackageParser.generateServiceInfo( 5148 s, flags, ps.readUserState(userId), userId); 5149 } 5150 } 5151 return null; 5152 } 5153 5154 @Override 5155 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 5156 if (!sUserManager.exists(userId)) return null; 5157 final int callingUid = Binder.getCallingUid(); 5158 flags = updateFlagsForComponent(flags, userId, component); 5159 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5160 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 5161 synchronized (mPackages) { 5162 PackageParser.Provider p = mProviders.mProviders.get(component); 5163 if (DEBUG_PACKAGE_INFO) Log.v( 5164 TAG, "getProviderInfo " + component + ": " + p); 5165 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 5166 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 5167 if (ps == null) return null; 5168 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 5169 return null; 5170 } 5171 return PackageParser.generateProviderInfo( 5172 p, flags, ps.readUserState(userId), userId); 5173 } 5174 } 5175 return null; 5176 } 5177 5178 @Override 5179 public String[] getSystemSharedLibraryNames() { 5180 // allow instant applications 5181 synchronized (mPackages) { 5182 Set<String> libs = null; 5183 final int libCount = mSharedLibraries.size(); 5184 for (int i = 0; i < libCount; i++) { 5185 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 5186 if (versionedLib == null) { 5187 continue; 5188 } 5189 final int versionCount = versionedLib.size(); 5190 for (int j = 0; j < versionCount; j++) { 5191 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 5192 if (!libEntry.info.isStatic()) { 5193 if (libs == null) { 5194 libs = new ArraySet<>(); 5195 } 5196 libs.add(libEntry.info.getName()); 5197 break; 5198 } 5199 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 5200 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 5201 UserHandle.getUserId(Binder.getCallingUid()), 5202 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 5203 if (libs == null) { 5204 libs = new ArraySet<>(); 5205 } 5206 libs.add(libEntry.info.getName()); 5207 break; 5208 } 5209 } 5210 } 5211 5212 if (libs != null) { 5213 String[] libsArray = new String[libs.size()]; 5214 libs.toArray(libsArray); 5215 return libsArray; 5216 } 5217 5218 return null; 5219 } 5220 } 5221 5222 @Override 5223 public @NonNull String getServicesSystemSharedLibraryPackageName() { 5224 // allow instant applications 5225 synchronized (mPackages) { 5226 return mServicesSystemSharedLibraryPackageName; 5227 } 5228 } 5229 5230 @Override 5231 public @NonNull String getSharedSystemSharedLibraryPackageName() { 5232 // allow instant applications 5233 synchronized (mPackages) { 5234 return mSharedSystemSharedLibraryPackageName; 5235 } 5236 } 5237 5238 private void updateSequenceNumberLP(PackageSetting pkgSetting, int[] userList) { 5239 for (int i = userList.length - 1; i >= 0; --i) { 5240 final int userId = userList[i]; 5241 // don't add instant app to the list of updates 5242 if (pkgSetting.getInstantApp(userId)) { 5243 continue; 5244 } 5245 SparseArray<String> changedPackages = mChangedPackages.get(userId); 5246 if (changedPackages == null) { 5247 changedPackages = new SparseArray<>(); 5248 mChangedPackages.put(userId, changedPackages); 5249 } 5250 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 5251 if (sequenceNumbers == null) { 5252 sequenceNumbers = new HashMap<>(); 5253 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 5254 } 5255 final Integer sequenceNumber = sequenceNumbers.get(pkgSetting.name); 5256 if (sequenceNumber != null) { 5257 changedPackages.remove(sequenceNumber); 5258 } 5259 changedPackages.put(mChangedPackagesSequenceNumber, pkgSetting.name); 5260 sequenceNumbers.put(pkgSetting.name, mChangedPackagesSequenceNumber); 5261 } 5262 mChangedPackagesSequenceNumber++; 5263 } 5264 5265 @Override 5266 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 5267 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5268 return null; 5269 } 5270 synchronized (mPackages) { 5271 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 5272 return null; 5273 } 5274 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 5275 if (changedPackages == null) { 5276 return null; 5277 } 5278 final List<String> packageNames = 5279 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 5280 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 5281 final String packageName = changedPackages.get(i); 5282 if (packageName != null) { 5283 packageNames.add(packageName); 5284 } 5285 } 5286 return packageNames.isEmpty() 5287 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 5288 } 5289 } 5290 5291 @Override 5292 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 5293 // allow instant applications 5294 ArrayList<FeatureInfo> res; 5295 synchronized (mAvailableFeatures) { 5296 res = new ArrayList<>(mAvailableFeatures.size() + 1); 5297 res.addAll(mAvailableFeatures.values()); 5298 } 5299 final FeatureInfo fi = new FeatureInfo(); 5300 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 5301 FeatureInfo.GL_ES_VERSION_UNDEFINED); 5302 res.add(fi); 5303 5304 return new ParceledListSlice<>(res); 5305 } 5306 5307 @Override 5308 public boolean hasSystemFeature(String name, int version) { 5309 // allow instant applications 5310 synchronized (mAvailableFeatures) { 5311 final FeatureInfo feat = mAvailableFeatures.get(name); 5312 if (feat == null) { 5313 return false; 5314 } else { 5315 return feat.version >= version; 5316 } 5317 } 5318 } 5319 5320 @Override 5321 public int checkPermission(String permName, String pkgName, int userId) { 5322 return mPermissionManager.checkPermission(permName, pkgName, getCallingUid(), userId); 5323 } 5324 5325 @Override 5326 public int checkUidPermission(String permName, int uid) { 5327 synchronized (mPackages) { 5328 final String[] packageNames = getPackagesForUid(uid); 5329 final PackageParser.Package pkg = (packageNames != null && packageNames.length > 0) 5330 ? mPackages.get(packageNames[0]) 5331 : null; 5332 return mPermissionManager.checkUidPermission(permName, pkg, uid, getCallingUid()); 5333 } 5334 } 5335 5336 @Override 5337 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 5338 if (UserHandle.getCallingUserId() != userId) { 5339 mContext.enforceCallingPermission( 5340 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5341 "isPermissionRevokedByPolicy for user " + userId); 5342 } 5343 5344 if (checkPermission(permission, packageName, userId) 5345 == PackageManager.PERMISSION_GRANTED) { 5346 return false; 5347 } 5348 5349 final int callingUid = Binder.getCallingUid(); 5350 if (getInstantAppPackageName(callingUid) != null) { 5351 if (!isCallerSameApp(packageName, callingUid)) { 5352 return false; 5353 } 5354 } else { 5355 if (isInstantApp(packageName, userId)) { 5356 return false; 5357 } 5358 } 5359 5360 final long identity = Binder.clearCallingIdentity(); 5361 try { 5362 final int flags = getPermissionFlags(permission, packageName, userId); 5363 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 5364 } finally { 5365 Binder.restoreCallingIdentity(identity); 5366 } 5367 } 5368 5369 @Override 5370 public String getPermissionControllerPackageName() { 5371 synchronized (mPackages) { 5372 return mRequiredInstallerPackage; 5373 } 5374 } 5375 5376 private boolean addDynamicPermission(PermissionInfo info, final boolean async) { 5377 return mPermissionManager.addDynamicPermission( 5378 info, async, getCallingUid(), new PermissionCallback() { 5379 @Override 5380 public void onPermissionChanged() { 5381 if (!async) { 5382 mSettings.writeLPr(); 5383 } else { 5384 scheduleWriteSettingsLocked(); 5385 } 5386 } 5387 }); 5388 } 5389 5390 @Override 5391 public boolean addPermission(PermissionInfo info) { 5392 synchronized (mPackages) { 5393 return addDynamicPermission(info, false); 5394 } 5395 } 5396 5397 @Override 5398 public boolean addPermissionAsync(PermissionInfo info) { 5399 synchronized (mPackages) { 5400 return addDynamicPermission(info, true); 5401 } 5402 } 5403 5404 @Override 5405 public void removePermission(String permName) { 5406 mPermissionManager.removeDynamicPermission(permName, getCallingUid(), mPermissionCallback); 5407 } 5408 5409 @Override 5410 public void grantRuntimePermission(String packageName, String permName, final int userId) { 5411 mPermissionManager.grantRuntimePermission(permName, packageName, false /*overridePolicy*/, 5412 getCallingUid(), userId, mPermissionCallback); 5413 } 5414 5415 @Override 5416 public void revokeRuntimePermission(String packageName, String permName, int userId) { 5417 mPermissionManager.revokeRuntimePermission(permName, packageName, false /*overridePolicy*/, 5418 getCallingUid(), userId, mPermissionCallback); 5419 } 5420 5421 @Override 5422 public void resetRuntimePermissions() { 5423 mContext.enforceCallingOrSelfPermission( 5424 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5425 "revokeRuntimePermission"); 5426 5427 int callingUid = Binder.getCallingUid(); 5428 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5429 mContext.enforceCallingOrSelfPermission( 5430 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5431 "resetRuntimePermissions"); 5432 } 5433 5434 synchronized (mPackages) { 5435 mPermissionManager.updateAllPermissions( 5436 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 5437 mPermissionCallback); 5438 for (int userId : UserManagerService.getInstance().getUserIds()) { 5439 final int packageCount = mPackages.size(); 5440 for (int i = 0; i < packageCount; i++) { 5441 PackageParser.Package pkg = mPackages.valueAt(i); 5442 if (!(pkg.mExtras instanceof PackageSetting)) { 5443 continue; 5444 } 5445 PackageSetting ps = (PackageSetting) pkg.mExtras; 5446 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5447 } 5448 } 5449 } 5450 } 5451 5452 @Override 5453 public int getPermissionFlags(String permName, String packageName, int userId) { 5454 return mPermissionManager.getPermissionFlags( 5455 permName, packageName, getCallingUid(), userId); 5456 } 5457 5458 @Override 5459 public void updatePermissionFlags(String permName, String packageName, int flagMask, 5460 int flagValues, int userId) { 5461 mPermissionManager.updatePermissionFlags( 5462 permName, packageName, flagMask, flagValues, getCallingUid(), userId, 5463 mPermissionCallback); 5464 } 5465 5466 /** 5467 * Update the permission flags for all packages and runtime permissions of a user in order 5468 * to allow device or profile owner to remove POLICY_FIXED. 5469 */ 5470 @Override 5471 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5472 synchronized (mPackages) { 5473 final boolean changed = mPermissionManager.updatePermissionFlagsForAllApps( 5474 flagMask, flagValues, getCallingUid(), userId, mPackages.values(), 5475 mPermissionCallback); 5476 if (changed) { 5477 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5478 } 5479 } 5480 } 5481 5482 @Override 5483 public boolean shouldShowRequestPermissionRationale(String permissionName, 5484 String packageName, int userId) { 5485 if (UserHandle.getCallingUserId() != userId) { 5486 mContext.enforceCallingPermission( 5487 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5488 "canShowRequestPermissionRationale for user " + userId); 5489 } 5490 5491 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5492 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5493 return false; 5494 } 5495 5496 if (checkPermission(permissionName, packageName, userId) 5497 == PackageManager.PERMISSION_GRANTED) { 5498 return false; 5499 } 5500 5501 final int flags; 5502 5503 final long identity = Binder.clearCallingIdentity(); 5504 try { 5505 flags = getPermissionFlags(permissionName, 5506 packageName, userId); 5507 } finally { 5508 Binder.restoreCallingIdentity(identity); 5509 } 5510 5511 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5512 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5513 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5514 5515 if ((flags & fixedFlags) != 0) { 5516 return false; 5517 } 5518 5519 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5520 } 5521 5522 @Override 5523 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5524 mContext.enforceCallingOrSelfPermission( 5525 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5526 "addOnPermissionsChangeListener"); 5527 5528 synchronized (mPackages) { 5529 mOnPermissionChangeListeners.addListenerLocked(listener); 5530 } 5531 } 5532 5533 @Override 5534 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5535 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5536 throw new SecurityException("Instant applications don't have access to this method"); 5537 } 5538 synchronized (mPackages) { 5539 mOnPermissionChangeListeners.removeListenerLocked(listener); 5540 } 5541 } 5542 5543 @Override 5544 public boolean isProtectedBroadcast(String actionName) { 5545 // allow instant applications 5546 synchronized (mProtectedBroadcasts) { 5547 if (mProtectedBroadcasts.contains(actionName)) { 5548 return true; 5549 } else if (actionName != null) { 5550 // TODO: remove these terrible hacks 5551 if (actionName.startsWith("android.net.netmon.lingerExpired") 5552 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5553 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5554 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5555 return true; 5556 } 5557 } 5558 } 5559 return false; 5560 } 5561 5562 @Override 5563 public int checkSignatures(String pkg1, String pkg2) { 5564 synchronized (mPackages) { 5565 final PackageParser.Package p1 = mPackages.get(pkg1); 5566 final PackageParser.Package p2 = mPackages.get(pkg2); 5567 if (p1 == null || p1.mExtras == null 5568 || p2 == null || p2.mExtras == null) { 5569 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5570 } 5571 final int callingUid = Binder.getCallingUid(); 5572 final int callingUserId = UserHandle.getUserId(callingUid); 5573 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5574 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5575 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5576 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5577 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5578 } 5579 return compareSignatures(p1.mSigningDetails.signatures, p2.mSigningDetails.signatures); 5580 } 5581 } 5582 5583 @Override 5584 public int checkUidSignatures(int uid1, int uid2) { 5585 final int callingUid = Binder.getCallingUid(); 5586 final int callingUserId = UserHandle.getUserId(callingUid); 5587 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5588 // Map to base uids. 5589 uid1 = UserHandle.getAppId(uid1); 5590 uid2 = UserHandle.getAppId(uid2); 5591 // reader 5592 synchronized (mPackages) { 5593 Signature[] s1; 5594 Signature[] s2; 5595 Object obj = mSettings.getUserIdLPr(uid1); 5596 if (obj != null) { 5597 if (obj instanceof SharedUserSetting) { 5598 if (isCallerInstantApp) { 5599 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5600 } 5601 s1 = ((SharedUserSetting)obj).signatures.mSigningDetails.signatures; 5602 } else if (obj instanceof PackageSetting) { 5603 final PackageSetting ps = (PackageSetting) obj; 5604 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5605 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5606 } 5607 s1 = ps.signatures.mSigningDetails.signatures; 5608 } else { 5609 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5610 } 5611 } else { 5612 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5613 } 5614 obj = mSettings.getUserIdLPr(uid2); 5615 if (obj != null) { 5616 if (obj instanceof SharedUserSetting) { 5617 if (isCallerInstantApp) { 5618 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5619 } 5620 s2 = ((SharedUserSetting)obj).signatures.mSigningDetails.signatures; 5621 } else if (obj instanceof PackageSetting) { 5622 final PackageSetting ps = (PackageSetting) obj; 5623 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5624 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5625 } 5626 s2 = ps.signatures.mSigningDetails.signatures; 5627 } else { 5628 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5629 } 5630 } else { 5631 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5632 } 5633 return compareSignatures(s1, s2); 5634 } 5635 } 5636 5637 @Override 5638 public boolean hasSigningCertificate( 5639 String packageName, byte[] certificate, @PackageManager.CertificateInputType int type) { 5640 5641 synchronized (mPackages) { 5642 final PackageParser.Package p = mPackages.get(packageName); 5643 if (p == null || p.mExtras == null) { 5644 return false; 5645 } 5646 final int callingUid = Binder.getCallingUid(); 5647 final int callingUserId = UserHandle.getUserId(callingUid); 5648 final PackageSetting ps = (PackageSetting) p.mExtras; 5649 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5650 return false; 5651 } 5652 switch (type) { 5653 case CERT_INPUT_RAW_X509: 5654 return p.mSigningDetails.hasCertificate(certificate); 5655 case CERT_INPUT_SHA256: 5656 return p.mSigningDetails.hasSha256Certificate(certificate); 5657 default: 5658 return false; 5659 } 5660 } 5661 } 5662 5663 @Override 5664 public boolean hasUidSigningCertificate( 5665 int uid, byte[] certificate, @PackageManager.CertificateInputType int type) { 5666 final int callingUid = Binder.getCallingUid(); 5667 final int callingUserId = UserHandle.getUserId(callingUid); 5668 // Map to base uids. 5669 uid = UserHandle.getAppId(uid); 5670 // reader 5671 synchronized (mPackages) { 5672 final PackageParser.SigningDetails signingDetails; 5673 final Object obj = mSettings.getUserIdLPr(uid); 5674 if (obj != null) { 5675 if (obj instanceof SharedUserSetting) { 5676 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5677 if (isCallerInstantApp) { 5678 return false; 5679 } 5680 signingDetails = ((SharedUserSetting)obj).signatures.mSigningDetails; 5681 } else if (obj instanceof PackageSetting) { 5682 final PackageSetting ps = (PackageSetting) obj; 5683 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5684 return false; 5685 } 5686 signingDetails = ps.signatures.mSigningDetails; 5687 } else { 5688 return false; 5689 } 5690 } else { 5691 return false; 5692 } 5693 switch (type) { 5694 case CERT_INPUT_RAW_X509: 5695 return signingDetails.hasCertificate(certificate); 5696 case CERT_INPUT_SHA256: 5697 return signingDetails.hasSha256Certificate(certificate); 5698 default: 5699 return false; 5700 } 5701 } 5702 } 5703 5704 /** 5705 * This method should typically only be used when granting or revoking 5706 * permissions, since the app may immediately restart after this call. 5707 * <p> 5708 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5709 * guard your work against the app being relaunched. 5710 */ 5711 private void killUid(int appId, int userId, String reason) { 5712 final long identity = Binder.clearCallingIdentity(); 5713 try { 5714 IActivityManager am = ActivityManager.getService(); 5715 if (am != null) { 5716 try { 5717 am.killUid(appId, userId, reason); 5718 } catch (RemoteException e) { 5719 /* ignore - same process */ 5720 } 5721 } 5722 } finally { 5723 Binder.restoreCallingIdentity(identity); 5724 } 5725 } 5726 5727 /** 5728 * If the database version for this type of package (internal storage or 5729 * external storage) is less than the version where package signatures 5730 * were updated, return true. 5731 */ 5732 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5733 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5734 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5735 } 5736 5737 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5738 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5739 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5740 } 5741 5742 @Override 5743 public List<String> getAllPackages() { 5744 final int callingUid = Binder.getCallingUid(); 5745 final int callingUserId = UserHandle.getUserId(callingUid); 5746 synchronized (mPackages) { 5747 if (canViewInstantApps(callingUid, callingUserId)) { 5748 return new ArrayList<String>(mPackages.keySet()); 5749 } 5750 final String instantAppPkgName = getInstantAppPackageName(callingUid); 5751 final List<String> result = new ArrayList<>(); 5752 if (instantAppPkgName != null) { 5753 // caller is an instant application; filter unexposed applications 5754 for (PackageParser.Package pkg : mPackages.values()) { 5755 if (!pkg.visibleToInstantApps) { 5756 continue; 5757 } 5758 result.add(pkg.packageName); 5759 } 5760 } else { 5761 // caller is a normal application; filter instant applications 5762 for (PackageParser.Package pkg : mPackages.values()) { 5763 final PackageSetting ps = 5764 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 5765 if (ps != null 5766 && ps.getInstantApp(callingUserId) 5767 && !mInstantAppRegistry.isInstantAccessGranted( 5768 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 5769 continue; 5770 } 5771 result.add(pkg.packageName); 5772 } 5773 } 5774 return result; 5775 } 5776 } 5777 5778 @Override 5779 public String[] getPackagesForUid(int uid) { 5780 final int callingUid = Binder.getCallingUid(); 5781 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5782 final int userId = UserHandle.getUserId(uid); 5783 uid = UserHandle.getAppId(uid); 5784 // reader 5785 synchronized (mPackages) { 5786 Object obj = mSettings.getUserIdLPr(uid); 5787 if (obj instanceof SharedUserSetting) { 5788 if (isCallerInstantApp) { 5789 return null; 5790 } 5791 final SharedUserSetting sus = (SharedUserSetting) obj; 5792 final int N = sus.packages.size(); 5793 String[] res = new String[N]; 5794 final Iterator<PackageSetting> it = sus.packages.iterator(); 5795 int i = 0; 5796 while (it.hasNext()) { 5797 PackageSetting ps = it.next(); 5798 if (ps.getInstalled(userId)) { 5799 res[i++] = ps.name; 5800 } else { 5801 res = ArrayUtils.removeElement(String.class, res, res[i]); 5802 } 5803 } 5804 return res; 5805 } else if (obj instanceof PackageSetting) { 5806 final PackageSetting ps = (PackageSetting) obj; 5807 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 5808 return new String[]{ps.name}; 5809 } 5810 } 5811 } 5812 return null; 5813 } 5814 5815 @Override 5816 public String getNameForUid(int uid) { 5817 final int callingUid = Binder.getCallingUid(); 5818 if (getInstantAppPackageName(callingUid) != null) { 5819 return null; 5820 } 5821 synchronized (mPackages) { 5822 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5823 if (obj instanceof SharedUserSetting) { 5824 final SharedUserSetting sus = (SharedUserSetting) obj; 5825 return sus.name + ":" + sus.userId; 5826 } else if (obj instanceof PackageSetting) { 5827 final PackageSetting ps = (PackageSetting) obj; 5828 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5829 return null; 5830 } 5831 return ps.name; 5832 } 5833 return null; 5834 } 5835 } 5836 5837 @Override 5838 public String[] getNamesForUids(int[] uids) { 5839 if (uids == null || uids.length == 0) { 5840 return null; 5841 } 5842 final int callingUid = Binder.getCallingUid(); 5843 if (getInstantAppPackageName(callingUid) != null) { 5844 return null; 5845 } 5846 final String[] names = new String[uids.length]; 5847 synchronized (mPackages) { 5848 for (int i = uids.length - 1; i >= 0; i--) { 5849 final int uid = uids[i]; 5850 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5851 if (obj instanceof SharedUserSetting) { 5852 final SharedUserSetting sus = (SharedUserSetting) obj; 5853 names[i] = "shared:" + sus.name; 5854 } else if (obj instanceof PackageSetting) { 5855 final PackageSetting ps = (PackageSetting) obj; 5856 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5857 names[i] = null; 5858 } else { 5859 names[i] = ps.name; 5860 } 5861 } else { 5862 names[i] = null; 5863 } 5864 } 5865 } 5866 return names; 5867 } 5868 5869 @Override 5870 public int getUidForSharedUser(String sharedUserName) { 5871 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5872 return -1; 5873 } 5874 if (sharedUserName == null) { 5875 return -1; 5876 } 5877 // reader 5878 synchronized (mPackages) { 5879 SharedUserSetting suid; 5880 try { 5881 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5882 if (suid != null) { 5883 return suid.userId; 5884 } 5885 } catch (PackageManagerException ignore) { 5886 // can't happen, but, still need to catch it 5887 } 5888 return -1; 5889 } 5890 } 5891 5892 @Override 5893 public int getFlagsForUid(int uid) { 5894 final int callingUid = Binder.getCallingUid(); 5895 if (getInstantAppPackageName(callingUid) != null) { 5896 return 0; 5897 } 5898 synchronized (mPackages) { 5899 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5900 if (obj instanceof SharedUserSetting) { 5901 final SharedUserSetting sus = (SharedUserSetting) obj; 5902 return sus.pkgFlags; 5903 } else if (obj instanceof PackageSetting) { 5904 final PackageSetting ps = (PackageSetting) obj; 5905 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5906 return 0; 5907 } 5908 return ps.pkgFlags; 5909 } 5910 } 5911 return 0; 5912 } 5913 5914 @Override 5915 public int getPrivateFlagsForUid(int uid) { 5916 final int callingUid = Binder.getCallingUid(); 5917 if (getInstantAppPackageName(callingUid) != null) { 5918 return 0; 5919 } 5920 synchronized (mPackages) { 5921 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5922 if (obj instanceof SharedUserSetting) { 5923 final SharedUserSetting sus = (SharedUserSetting) obj; 5924 return sus.pkgPrivateFlags; 5925 } else if (obj instanceof PackageSetting) { 5926 final PackageSetting ps = (PackageSetting) obj; 5927 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5928 return 0; 5929 } 5930 return ps.pkgPrivateFlags; 5931 } 5932 } 5933 return 0; 5934 } 5935 5936 @Override 5937 public boolean isUidPrivileged(int uid) { 5938 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5939 return false; 5940 } 5941 uid = UserHandle.getAppId(uid); 5942 // reader 5943 synchronized (mPackages) { 5944 Object obj = mSettings.getUserIdLPr(uid); 5945 if (obj instanceof SharedUserSetting) { 5946 final SharedUserSetting sus = (SharedUserSetting) obj; 5947 final Iterator<PackageSetting> it = sus.packages.iterator(); 5948 while (it.hasNext()) { 5949 if (it.next().isPrivileged()) { 5950 return true; 5951 } 5952 } 5953 } else if (obj instanceof PackageSetting) { 5954 final PackageSetting ps = (PackageSetting) obj; 5955 return ps.isPrivileged(); 5956 } 5957 } 5958 return false; 5959 } 5960 5961 @Override 5962 public String[] getAppOpPermissionPackages(String permName) { 5963 return mPermissionManager.getAppOpPermissionPackages(permName); 5964 } 5965 5966 @Override 5967 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5968 int flags, int userId) { 5969 return resolveIntentInternal(intent, resolvedType, flags, userId, false, 5970 Binder.getCallingUid()); 5971 } 5972 5973 /** 5974 * Normally instant apps can only be resolved when they're visible to the caller. 5975 * However, if {@code resolveForStart} is {@code true}, all instant apps are visible 5976 * since we need to allow the system to start any installed application. 5977 */ 5978 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5979 int flags, int userId, boolean resolveForStart, int filterCallingUid) { 5980 try { 5981 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5982 5983 if (!sUserManager.exists(userId)) return null; 5984 final int callingUid = Binder.getCallingUid(); 5985 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart); 5986 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5987 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5988 5989 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5990 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5991 flags, filterCallingUid, userId, resolveForStart, true /*allowDynamicSplits*/); 5992 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5993 5994 final ResolveInfo bestChoice = 5995 chooseBestActivity(intent, resolvedType, flags, query, userId); 5996 return bestChoice; 5997 } finally { 5998 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5999 } 6000 } 6001 6002 @Override 6003 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 6004 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 6005 throw new SecurityException( 6006 "findPersistentPreferredActivity can only be run by the system"); 6007 } 6008 if (!sUserManager.exists(userId)) { 6009 return null; 6010 } 6011 final int callingUid = Binder.getCallingUid(); 6012 intent = updateIntentForResolve(intent); 6013 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 6014 final int flags = updateFlagsForResolve( 6015 0, userId, intent, callingUid, false /*includeInstantApps*/); 6016 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6017 userId); 6018 synchronized (mPackages) { 6019 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 6020 userId); 6021 } 6022 } 6023 6024 @Override 6025 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 6026 IntentFilter filter, int match, ComponentName activity) { 6027 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6028 return; 6029 } 6030 final int userId = UserHandle.getCallingUserId(); 6031 if (DEBUG_PREFERRED) { 6032 Log.v(TAG, "setLastChosenActivity intent=" + intent 6033 + " resolvedType=" + resolvedType 6034 + " flags=" + flags 6035 + " filter=" + filter 6036 + " match=" + match 6037 + " activity=" + activity); 6038 filter.dump(new PrintStreamPrinter(System.out), " "); 6039 } 6040 intent.setComponent(null); 6041 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6042 userId); 6043 // Find any earlier preferred or last chosen entries and nuke them 6044 findPreferredActivity(intent, resolvedType, 6045 flags, query, 0, false, true, false, userId); 6046 // Add the new activity as the last chosen for this filter 6047 addPreferredActivityInternal(filter, match, null, activity, false, userId, 6048 "Setting last chosen"); 6049 } 6050 6051 @Override 6052 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 6053 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6054 return null; 6055 } 6056 final int userId = UserHandle.getCallingUserId(); 6057 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 6058 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6059 userId); 6060 return findPreferredActivity(intent, resolvedType, flags, query, 0, 6061 false, false, false, userId); 6062 } 6063 6064 /** 6065 * Returns whether or not instant apps have been disabled remotely. 6066 */ 6067 private boolean areWebInstantAppsDisabled() { 6068 return mWebInstantAppsDisabled; 6069 } 6070 6071 private boolean isInstantAppResolutionAllowed( 6072 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 6073 boolean skipPackageCheck) { 6074 if (mInstantAppResolverConnection == null) { 6075 return false; 6076 } 6077 if (mInstantAppInstallerActivity == null) { 6078 return false; 6079 } 6080 if (intent.getComponent() != null) { 6081 return false; 6082 } 6083 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 6084 return false; 6085 } 6086 if (!skipPackageCheck && intent.getPackage() != null) { 6087 return false; 6088 } 6089 if (!intent.isWebIntent()) { 6090 // for non web intents, we should not resolve externally if an app already exists to 6091 // handle it or if the caller didn't explicitly request it. 6092 if ((resolvedActivities != null && resolvedActivities.size() != 0) 6093 || (intent.getFlags() & Intent.FLAG_ACTIVITY_MATCH_EXTERNAL) == 0) { 6094 return false; 6095 } 6096 } else { 6097 if (intent.getData() == null || TextUtils.isEmpty(intent.getData().getHost())) { 6098 return false; 6099 } else if (areWebInstantAppsDisabled()) { 6100 return false; 6101 } 6102 } 6103 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 6104 // Or if there's already an ephemeral app installed that handles the action 6105 synchronized (mPackages) { 6106 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 6107 for (int n = 0; n < count; n++) { 6108 final ResolveInfo info = resolvedActivities.get(n); 6109 final String packageName = info.activityInfo.packageName; 6110 final PackageSetting ps = mSettings.mPackages.get(packageName); 6111 if (ps != null) { 6112 // only check domain verification status if the app is not a browser 6113 if (!info.handleAllWebDataURI) { 6114 // Try to get the status from User settings first 6115 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6116 final int status = (int) (packedStatus >> 32); 6117 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 6118 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6119 if (DEBUG_INSTANT) { 6120 Slog.v(TAG, "DENY instant app;" 6121 + " pkg: " + packageName + ", status: " + status); 6122 } 6123 return false; 6124 } 6125 } 6126 if (ps.getInstantApp(userId)) { 6127 if (DEBUG_INSTANT) { 6128 Slog.v(TAG, "DENY instant app installed;" 6129 + " pkg: " + packageName); 6130 } 6131 return false; 6132 } 6133 } 6134 } 6135 } 6136 // We've exhausted all ways to deny ephemeral application; let the system look for them. 6137 return true; 6138 } 6139 6140 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 6141 Intent origIntent, String resolvedType, String callingPackage, 6142 Bundle verificationBundle, int userId) { 6143 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 6144 new InstantAppRequest(responseObj, origIntent, resolvedType, 6145 callingPackage, userId, verificationBundle, false /*resolveForStart*/)); 6146 mHandler.sendMessage(msg); 6147 } 6148 6149 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 6150 int flags, List<ResolveInfo> query, int userId) { 6151 if (query != null) { 6152 final int N = query.size(); 6153 if (N == 1) { 6154 return query.get(0); 6155 } else if (N > 1) { 6156 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 6157 // If there is more than one activity with the same priority, 6158 // then let the user decide between them. 6159 ResolveInfo r0 = query.get(0); 6160 ResolveInfo r1 = query.get(1); 6161 if (DEBUG_INTENT_MATCHING || debug) { 6162 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 6163 + r1.activityInfo.name + "=" + r1.priority); 6164 } 6165 // If the first activity has a higher priority, or a different 6166 // default, then it is always desirable to pick it. 6167 if (r0.priority != r1.priority 6168 || r0.preferredOrder != r1.preferredOrder 6169 || r0.isDefault != r1.isDefault) { 6170 return query.get(0); 6171 } 6172 // If we have saved a preference for a preferred activity for 6173 // this Intent, use that. 6174 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 6175 flags, query, r0.priority, true, false, debug, userId); 6176 if (ri != null) { 6177 return ri; 6178 } 6179 // If we have an ephemeral app, use it 6180 for (int i = 0; i < N; i++) { 6181 ri = query.get(i); 6182 if (ri.activityInfo.applicationInfo.isInstantApp()) { 6183 final String packageName = ri.activityInfo.packageName; 6184 final PackageSetting ps = mSettings.mPackages.get(packageName); 6185 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6186 final int status = (int)(packedStatus >> 32); 6187 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6188 return ri; 6189 } 6190 } 6191 } 6192 ri = new ResolveInfo(mResolveInfo); 6193 ri.activityInfo = new ActivityInfo(ri.activityInfo); 6194 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 6195 // If all of the options come from the same package, show the application's 6196 // label and icon instead of the generic resolver's. 6197 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 6198 // and then throw away the ResolveInfo itself, meaning that the caller loses 6199 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 6200 // a fallback for this case; we only set the target package's resources on 6201 // the ResolveInfo, not the ActivityInfo. 6202 final String intentPackage = intent.getPackage(); 6203 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 6204 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 6205 ri.resolvePackageName = intentPackage; 6206 if (userNeedsBadging(userId)) { 6207 ri.noResourceId = true; 6208 } else { 6209 ri.icon = appi.icon; 6210 } 6211 ri.iconResourceId = appi.icon; 6212 ri.labelRes = appi.labelRes; 6213 } 6214 ri.activityInfo.applicationInfo = new ApplicationInfo( 6215 ri.activityInfo.applicationInfo); 6216 if (userId != 0) { 6217 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 6218 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 6219 } 6220 // Make sure that the resolver is displayable in car mode 6221 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 6222 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 6223 return ri; 6224 } 6225 } 6226 return null; 6227 } 6228 6229 /** 6230 * Return true if the given list is not empty and all of its contents have 6231 * an activityInfo with the given package name. 6232 */ 6233 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 6234 if (ArrayUtils.isEmpty(list)) { 6235 return false; 6236 } 6237 for (int i = 0, N = list.size(); i < N; i++) { 6238 final ResolveInfo ri = list.get(i); 6239 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 6240 if (ai == null || !packageName.equals(ai.packageName)) { 6241 return false; 6242 } 6243 } 6244 return true; 6245 } 6246 6247 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 6248 int flags, List<ResolveInfo> query, boolean debug, int userId) { 6249 final int N = query.size(); 6250 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 6251 .get(userId); 6252 // Get the list of persistent preferred activities that handle the intent 6253 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 6254 List<PersistentPreferredActivity> pprefs = ppir != null 6255 ? ppir.queryIntent(intent, resolvedType, 6256 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6257 userId) 6258 : null; 6259 if (pprefs != null && pprefs.size() > 0) { 6260 final int M = pprefs.size(); 6261 for (int i=0; i<M; i++) { 6262 final PersistentPreferredActivity ppa = pprefs.get(i); 6263 if (DEBUG_PREFERRED || debug) { 6264 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 6265 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 6266 + "\n component=" + ppa.mComponent); 6267 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6268 } 6269 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 6270 flags | MATCH_DISABLED_COMPONENTS, userId); 6271 if (DEBUG_PREFERRED || debug) { 6272 Slog.v(TAG, "Found persistent preferred activity:"); 6273 if (ai != null) { 6274 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6275 } else { 6276 Slog.v(TAG, " null"); 6277 } 6278 } 6279 if (ai == null) { 6280 // This previously registered persistent preferred activity 6281 // component is no longer known. Ignore it and do NOT remove it. 6282 continue; 6283 } 6284 for (int j=0; j<N; j++) { 6285 final ResolveInfo ri = query.get(j); 6286 if (!ri.activityInfo.applicationInfo.packageName 6287 .equals(ai.applicationInfo.packageName)) { 6288 continue; 6289 } 6290 if (!ri.activityInfo.name.equals(ai.name)) { 6291 continue; 6292 } 6293 // Found a persistent preference that can handle the intent. 6294 if (DEBUG_PREFERRED || debug) { 6295 Slog.v(TAG, "Returning persistent preferred activity: " + 6296 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6297 } 6298 return ri; 6299 } 6300 } 6301 } 6302 return null; 6303 } 6304 6305 // TODO: handle preferred activities missing while user has amnesia 6306 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 6307 List<ResolveInfo> query, int priority, boolean always, 6308 boolean removeMatches, boolean debug, int userId) { 6309 if (!sUserManager.exists(userId)) return null; 6310 final int callingUid = Binder.getCallingUid(); 6311 flags = updateFlagsForResolve( 6312 flags, userId, intent, callingUid, false /*includeInstantApps*/); 6313 intent = updateIntentForResolve(intent); 6314 // writer 6315 synchronized (mPackages) { 6316 // Try to find a matching persistent preferred activity. 6317 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 6318 debug, userId); 6319 6320 // If a persistent preferred activity matched, use it. 6321 if (pri != null) { 6322 return pri; 6323 } 6324 6325 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 6326 // Get the list of preferred activities that handle the intent 6327 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 6328 List<PreferredActivity> prefs = pir != null 6329 ? pir.queryIntent(intent, resolvedType, 6330 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6331 userId) 6332 : null; 6333 if (prefs != null && prefs.size() > 0) { 6334 boolean changed = false; 6335 try { 6336 // First figure out how good the original match set is. 6337 // We will only allow preferred activities that came 6338 // from the same match quality. 6339 int match = 0; 6340 6341 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 6342 6343 final int N = query.size(); 6344 for (int j=0; j<N; j++) { 6345 final ResolveInfo ri = query.get(j); 6346 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 6347 + ": 0x" + Integer.toHexString(match)); 6348 if (ri.match > match) { 6349 match = ri.match; 6350 } 6351 } 6352 6353 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6354 + Integer.toHexString(match)); 6355 6356 match &= IntentFilter.MATCH_CATEGORY_MASK; 6357 final int M = prefs.size(); 6358 for (int i=0; i<M; i++) { 6359 final PreferredActivity pa = prefs.get(i); 6360 if (DEBUG_PREFERRED || debug) { 6361 Slog.v(TAG, "Checking PreferredActivity ds=" 6362 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6363 + "\n component=" + pa.mPref.mComponent); 6364 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6365 } 6366 if (pa.mPref.mMatch != match) { 6367 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6368 + Integer.toHexString(pa.mPref.mMatch)); 6369 continue; 6370 } 6371 // If it's not an "always" type preferred activity and that's what we're 6372 // looking for, skip it. 6373 if (always && !pa.mPref.mAlways) { 6374 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6375 continue; 6376 } 6377 final ActivityInfo ai = getActivityInfo( 6378 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6379 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6380 userId); 6381 if (DEBUG_PREFERRED || debug) { 6382 Slog.v(TAG, "Found preferred activity:"); 6383 if (ai != null) { 6384 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6385 } else { 6386 Slog.v(TAG, " null"); 6387 } 6388 } 6389 if (ai == null) { 6390 // This previously registered preferred activity 6391 // component is no longer known. Most likely an update 6392 // to the app was installed and in the new version this 6393 // component no longer exists. Clean it up by removing 6394 // it from the preferred activities list, and skip it. 6395 Slog.w(TAG, "Removing dangling preferred activity: " 6396 + pa.mPref.mComponent); 6397 pir.removeFilter(pa); 6398 changed = true; 6399 continue; 6400 } 6401 for (int j=0; j<N; j++) { 6402 final ResolveInfo ri = query.get(j); 6403 if (!ri.activityInfo.applicationInfo.packageName 6404 .equals(ai.applicationInfo.packageName)) { 6405 continue; 6406 } 6407 if (!ri.activityInfo.name.equals(ai.name)) { 6408 continue; 6409 } 6410 6411 if (removeMatches) { 6412 pir.removeFilter(pa); 6413 changed = true; 6414 if (DEBUG_PREFERRED) { 6415 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6416 } 6417 break; 6418 } 6419 6420 // Okay we found a previously set preferred or last chosen app. 6421 // If the result set is different from when this 6422 // was created, and is not a subset of the preferred set, we need to 6423 // clear it and re-ask the user their preference, if we're looking for 6424 // an "always" type entry. 6425 if (always && !pa.mPref.sameSet(query)) { 6426 if (pa.mPref.isSuperset(query)) { 6427 // some components of the set are no longer present in 6428 // the query, but the preferred activity can still be reused 6429 if (DEBUG_PREFERRED) { 6430 Slog.i(TAG, "Result set changed, but PreferredActivity is" 6431 + " still valid as only non-preferred components" 6432 + " were removed for " + intent + " type " 6433 + resolvedType); 6434 } 6435 // remove obsolete components and re-add the up-to-date filter 6436 PreferredActivity freshPa = new PreferredActivity(pa, 6437 pa.mPref.mMatch, 6438 pa.mPref.discardObsoleteComponents(query), 6439 pa.mPref.mComponent, 6440 pa.mPref.mAlways); 6441 pir.removeFilter(pa); 6442 pir.addFilter(freshPa); 6443 changed = true; 6444 } else { 6445 Slog.i(TAG, 6446 "Result set changed, dropping preferred activity for " 6447 + intent + " type " + resolvedType); 6448 if (DEBUG_PREFERRED) { 6449 Slog.v(TAG, "Removing preferred activity since set changed " 6450 + pa.mPref.mComponent); 6451 } 6452 pir.removeFilter(pa); 6453 // Re-add the filter as a "last chosen" entry (!always) 6454 PreferredActivity lastChosen = new PreferredActivity( 6455 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6456 pir.addFilter(lastChosen); 6457 changed = true; 6458 return null; 6459 } 6460 } 6461 6462 // Yay! Either the set matched or we're looking for the last chosen 6463 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6464 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6465 return ri; 6466 } 6467 } 6468 } finally { 6469 if (changed) { 6470 if (DEBUG_PREFERRED) { 6471 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6472 } 6473 scheduleWritePackageRestrictionsLocked(userId); 6474 } 6475 } 6476 } 6477 } 6478 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6479 return null; 6480 } 6481 6482 /* 6483 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6484 */ 6485 @Override 6486 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6487 int targetUserId) { 6488 mContext.enforceCallingOrSelfPermission( 6489 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6490 List<CrossProfileIntentFilter> matches = 6491 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6492 if (matches != null) { 6493 int size = matches.size(); 6494 for (int i = 0; i < size; i++) { 6495 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6496 } 6497 } 6498 if (intent.hasWebURI()) { 6499 // cross-profile app linking works only towards the parent. 6500 final int callingUid = Binder.getCallingUid(); 6501 final UserInfo parent = getProfileParent(sourceUserId); 6502 synchronized(mPackages) { 6503 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6504 false /*includeInstantApps*/); 6505 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6506 intent, resolvedType, flags, sourceUserId, parent.id); 6507 return xpDomainInfo != null; 6508 } 6509 } 6510 return false; 6511 } 6512 6513 private UserInfo getProfileParent(int userId) { 6514 final long identity = Binder.clearCallingIdentity(); 6515 try { 6516 return sUserManager.getProfileParent(userId); 6517 } finally { 6518 Binder.restoreCallingIdentity(identity); 6519 } 6520 } 6521 6522 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6523 String resolvedType, int userId) { 6524 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6525 if (resolver != null) { 6526 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6527 } 6528 return null; 6529 } 6530 6531 @Override 6532 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6533 String resolvedType, int flags, int userId) { 6534 try { 6535 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6536 6537 return new ParceledListSlice<>( 6538 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6539 } finally { 6540 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6541 } 6542 } 6543 6544 /** 6545 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6546 * instant, returns {@code null}. 6547 */ 6548 private String getInstantAppPackageName(int callingUid) { 6549 synchronized (mPackages) { 6550 // If the caller is an isolated app use the owner's uid for the lookup. 6551 if (Process.isIsolated(callingUid)) { 6552 callingUid = mIsolatedOwners.get(callingUid); 6553 } 6554 final int appId = UserHandle.getAppId(callingUid); 6555 final Object obj = mSettings.getUserIdLPr(appId); 6556 if (obj instanceof PackageSetting) { 6557 final PackageSetting ps = (PackageSetting) obj; 6558 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6559 return isInstantApp ? ps.pkg.packageName : null; 6560 } 6561 } 6562 return null; 6563 } 6564 6565 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6566 String resolvedType, int flags, int userId) { 6567 return queryIntentActivitiesInternal( 6568 intent, resolvedType, flags, Binder.getCallingUid(), userId, 6569 false /*resolveForStart*/, true /*allowDynamicSplits*/); 6570 } 6571 6572 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6573 String resolvedType, int flags, int filterCallingUid, int userId, 6574 boolean resolveForStart, boolean allowDynamicSplits) { 6575 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6576 final String instantAppPkgName = getInstantAppPackageName(filterCallingUid); 6577 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 6578 false /* requireFullPermission */, false /* checkShell */, 6579 "query intent activities"); 6580 final String pkgName = intent.getPackage(); 6581 ComponentName comp = intent.getComponent(); 6582 if (comp == null) { 6583 if (intent.getSelector() != null) { 6584 intent = intent.getSelector(); 6585 comp = intent.getComponent(); 6586 } 6587 } 6588 6589 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart, 6590 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6591 if (comp != null) { 6592 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6593 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6594 if (ai != null) { 6595 // When specifying an explicit component, we prevent the activity from being 6596 // used when either 1) the calling package is normal and the activity is within 6597 // an ephemeral application or 2) the calling package is ephemeral and the 6598 // activity is not visible to ephemeral applications. 6599 final boolean matchInstantApp = 6600 (flags & PackageManager.MATCH_INSTANT) != 0; 6601 final boolean matchVisibleToInstantAppOnly = 6602 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6603 final boolean matchExplicitlyVisibleOnly = 6604 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6605 final boolean isCallerInstantApp = 6606 instantAppPkgName != null; 6607 final boolean isTargetSameInstantApp = 6608 comp.getPackageName().equals(instantAppPkgName); 6609 final boolean isTargetInstantApp = 6610 (ai.applicationInfo.privateFlags 6611 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6612 final boolean isTargetVisibleToInstantApp = 6613 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6614 final boolean isTargetExplicitlyVisibleToInstantApp = 6615 isTargetVisibleToInstantApp 6616 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6617 final boolean isTargetHiddenFromInstantApp = 6618 !isTargetVisibleToInstantApp 6619 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6620 final boolean blockResolution = 6621 !isTargetSameInstantApp 6622 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6623 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6624 && isTargetHiddenFromInstantApp)); 6625 if (!blockResolution) { 6626 final ResolveInfo ri = new ResolveInfo(); 6627 ri.activityInfo = ai; 6628 list.add(ri); 6629 } 6630 } 6631 return applyPostResolutionFilter( 6632 list, instantAppPkgName, allowDynamicSplits, filterCallingUid, resolveForStart, 6633 userId, intent); 6634 } 6635 6636 // reader 6637 boolean sortResult = false; 6638 boolean addInstant = false; 6639 List<ResolveInfo> result; 6640 synchronized (mPackages) { 6641 if (pkgName == null) { 6642 List<CrossProfileIntentFilter> matchingFilters = 6643 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6644 // Check for results that need to skip the current profile. 6645 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6646 resolvedType, flags, userId); 6647 if (xpResolveInfo != null) { 6648 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6649 xpResult.add(xpResolveInfo); 6650 return applyPostResolutionFilter( 6651 filterIfNotSystemUser(xpResult, userId), instantAppPkgName, 6652 allowDynamicSplits, filterCallingUid, resolveForStart, userId, intent); 6653 } 6654 6655 // Check for results in the current profile. 6656 result = filterIfNotSystemUser(mActivities.queryIntent( 6657 intent, resolvedType, flags, userId), userId); 6658 addInstant = isInstantAppResolutionAllowed(intent, result, userId, 6659 false /*skipPackageCheck*/); 6660 // Check for cross profile results. 6661 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6662 xpResolveInfo = queryCrossProfileIntents( 6663 matchingFilters, intent, resolvedType, flags, userId, 6664 hasNonNegativePriorityResult); 6665 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6666 boolean isVisibleToUser = filterIfNotSystemUser( 6667 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6668 if (isVisibleToUser) { 6669 result.add(xpResolveInfo); 6670 sortResult = true; 6671 } 6672 } 6673 if (intent.hasWebURI()) { 6674 CrossProfileDomainInfo xpDomainInfo = null; 6675 final UserInfo parent = getProfileParent(userId); 6676 if (parent != null) { 6677 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6678 flags, userId, parent.id); 6679 } 6680 if (xpDomainInfo != null) { 6681 if (xpResolveInfo != null) { 6682 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6683 // in the result. 6684 result.remove(xpResolveInfo); 6685 } 6686 if (result.size() == 0 && !addInstant) { 6687 // No result in current profile, but found candidate in parent user. 6688 // And we are not going to add emphemeral app, so we can return the 6689 // result straight away. 6690 result.add(xpDomainInfo.resolveInfo); 6691 return applyPostResolutionFilter(result, instantAppPkgName, 6692 allowDynamicSplits, filterCallingUid, resolveForStart, userId, 6693 intent); 6694 } 6695 } else if (result.size() <= 1 && !addInstant) { 6696 // No result in parent user and <= 1 result in current profile, and we 6697 // are not going to add emphemeral app, so we can return the result without 6698 // further processing. 6699 return applyPostResolutionFilter(result, instantAppPkgName, 6700 allowDynamicSplits, filterCallingUid, resolveForStart, userId, 6701 intent); 6702 } 6703 // We have more than one candidate (combining results from current and parent 6704 // profile), so we need filtering and sorting. 6705 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6706 intent, flags, result, xpDomainInfo, userId); 6707 sortResult = true; 6708 } 6709 } else { 6710 final PackageParser.Package pkg = mPackages.get(pkgName); 6711 result = null; 6712 if (pkg != null) { 6713 result = filterIfNotSystemUser( 6714 mActivities.queryIntentForPackage( 6715 intent, resolvedType, flags, pkg.activities, userId), 6716 userId); 6717 } 6718 if (result == null || result.size() == 0) { 6719 // the caller wants to resolve for a particular package; however, there 6720 // were no installed results, so, try to find an ephemeral result 6721 addInstant = isInstantAppResolutionAllowed( 6722 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6723 if (result == null) { 6724 result = new ArrayList<>(); 6725 } 6726 } 6727 } 6728 } 6729 if (addInstant) { 6730 result = maybeAddInstantAppInstaller( 6731 result, intent, resolvedType, flags, userId, resolveForStart); 6732 } 6733 if (sortResult) { 6734 Collections.sort(result, mResolvePrioritySorter); 6735 } 6736 return applyPostResolutionFilter( 6737 result, instantAppPkgName, allowDynamicSplits, filterCallingUid, resolveForStart, 6738 userId, intent); 6739 } 6740 6741 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6742 String resolvedType, int flags, int userId, boolean resolveForStart) { 6743 // first, check to see if we've got an instant app already installed 6744 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6745 ResolveInfo localInstantApp = null; 6746 boolean blockResolution = false; 6747 if (!alreadyResolvedLocally) { 6748 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6749 flags 6750 | PackageManager.GET_RESOLVED_FILTER 6751 | PackageManager.MATCH_INSTANT 6752 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6753 userId); 6754 for (int i = instantApps.size() - 1; i >= 0; --i) { 6755 final ResolveInfo info = instantApps.get(i); 6756 final String packageName = info.activityInfo.packageName; 6757 final PackageSetting ps = mSettings.mPackages.get(packageName); 6758 if (ps.getInstantApp(userId)) { 6759 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6760 final int status = (int)(packedStatus >> 32); 6761 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6762 // there's a local instant application installed, but, the user has 6763 // chosen to never use it; skip resolution and don't acknowledge 6764 // an instant application is even available 6765 if (DEBUG_INSTANT) { 6766 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 6767 } 6768 blockResolution = true; 6769 break; 6770 } else { 6771 // we have a locally installed instant application; skip resolution 6772 // but acknowledge there's an instant application available 6773 if (DEBUG_INSTANT) { 6774 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 6775 } 6776 localInstantApp = info; 6777 break; 6778 } 6779 } 6780 } 6781 } 6782 // no app installed, let's see if one's available 6783 AuxiliaryResolveInfo auxiliaryResponse = null; 6784 if (!blockResolution) { 6785 if (localInstantApp == null) { 6786 // we don't have an instant app locally, resolve externally 6787 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6788 final InstantAppRequest requestObject = new InstantAppRequest( 6789 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6790 null /*callingPackage*/, userId, null /*verificationBundle*/, 6791 resolveForStart); 6792 auxiliaryResponse = InstantAppResolver.doInstantAppResolutionPhaseOne( 6793 mInstantAppResolverConnection, requestObject); 6794 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6795 } else { 6796 // we have an instant application locally, but, we can't admit that since 6797 // callers shouldn't be able to determine prior browsing. create a dummy 6798 // auxiliary response so the downstream code behaves as if there's an 6799 // instant application available externally. when it comes time to start 6800 // the instant application, we'll do the right thing. 6801 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 6802 auxiliaryResponse = new AuxiliaryResolveInfo(null /* failureActivity */, 6803 ai.packageName, ai.longVersionCode, null /* splitName */); 6804 } 6805 } 6806 if (intent.isWebIntent() && auxiliaryResponse == null) { 6807 return result; 6808 } 6809 final PackageSetting ps = mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6810 if (ps == null 6811 || ps.getUserState().get(userId) == null 6812 || !ps.getUserState().get(userId).isEnabled(mInstantAppInstallerActivity, 0)) { 6813 return result; 6814 } 6815 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6816 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6817 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6818 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6819 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6820 // add a non-generic filter 6821 ephemeralInstaller.filter = new IntentFilter(); 6822 if (intent.getAction() != null) { 6823 ephemeralInstaller.filter.addAction(intent.getAction()); 6824 } 6825 if (intent.getData() != null && intent.getData().getPath() != null) { 6826 ephemeralInstaller.filter.addDataPath( 6827 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6828 } 6829 ephemeralInstaller.isInstantAppAvailable = true; 6830 // make sure this resolver is the default 6831 ephemeralInstaller.isDefault = true; 6832 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6833 if (DEBUG_INSTANT) { 6834 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6835 } 6836 6837 result.add(ephemeralInstaller); 6838 return result; 6839 } 6840 6841 private static class CrossProfileDomainInfo { 6842 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6843 ResolveInfo resolveInfo; 6844 /* Best domain verification status of the activities found in the other profile */ 6845 int bestDomainVerificationStatus; 6846 } 6847 6848 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6849 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6850 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6851 sourceUserId)) { 6852 return null; 6853 } 6854 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6855 resolvedType, flags, parentUserId); 6856 6857 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6858 return null; 6859 } 6860 CrossProfileDomainInfo result = null; 6861 int size = resultTargetUser.size(); 6862 for (int i = 0; i < size; i++) { 6863 ResolveInfo riTargetUser = resultTargetUser.get(i); 6864 // Intent filter verification is only for filters that specify a host. So don't return 6865 // those that handle all web uris. 6866 if (riTargetUser.handleAllWebDataURI) { 6867 continue; 6868 } 6869 String packageName = riTargetUser.activityInfo.packageName; 6870 PackageSetting ps = mSettings.mPackages.get(packageName); 6871 if (ps == null) { 6872 continue; 6873 } 6874 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6875 int status = (int)(verificationState >> 32); 6876 if (result == null) { 6877 result = new CrossProfileDomainInfo(); 6878 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6879 sourceUserId, parentUserId); 6880 result.bestDomainVerificationStatus = status; 6881 } else { 6882 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6883 result.bestDomainVerificationStatus); 6884 } 6885 } 6886 // Don't consider matches with status NEVER across profiles. 6887 if (result != null && result.bestDomainVerificationStatus 6888 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6889 return null; 6890 } 6891 return result; 6892 } 6893 6894 /** 6895 * Verification statuses are ordered from the worse to the best, except for 6896 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6897 */ 6898 private int bestDomainVerificationStatus(int status1, int status2) { 6899 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6900 return status2; 6901 } 6902 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6903 return status1; 6904 } 6905 return (int) MathUtils.max(status1, status2); 6906 } 6907 6908 private boolean isUserEnabled(int userId) { 6909 long callingId = Binder.clearCallingIdentity(); 6910 try { 6911 UserInfo userInfo = sUserManager.getUserInfo(userId); 6912 return userInfo != null && userInfo.isEnabled(); 6913 } finally { 6914 Binder.restoreCallingIdentity(callingId); 6915 } 6916 } 6917 6918 /** 6919 * Filter out activities with systemUserOnly flag set, when current user is not System. 6920 * 6921 * @return filtered list 6922 */ 6923 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6924 if (userId == UserHandle.USER_SYSTEM) { 6925 return resolveInfos; 6926 } 6927 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6928 ResolveInfo info = resolveInfos.get(i); 6929 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6930 resolveInfos.remove(i); 6931 } 6932 } 6933 return resolveInfos; 6934 } 6935 6936 /** 6937 * Filters out ephemeral activities. 6938 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6939 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6940 * 6941 * @param resolveInfos The pre-filtered list of resolved activities 6942 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6943 * is performed. 6944 * @param intent 6945 * @return A filtered list of resolved activities. 6946 */ 6947 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6948 String ephemeralPkgName, boolean allowDynamicSplits, int filterCallingUid, 6949 boolean resolveForStart, int userId, Intent intent) { 6950 final boolean blockInstant = intent.isWebIntent() && areWebInstantAppsDisabled(); 6951 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6952 final ResolveInfo info = resolveInfos.get(i); 6953 // remove locally resolved instant app web results when disabled 6954 if (info.isInstantAppAvailable && blockInstant) { 6955 resolveInfos.remove(i); 6956 continue; 6957 } 6958 // allow activities that are defined in the provided package 6959 if (allowDynamicSplits 6960 && info.activityInfo != null 6961 && info.activityInfo.splitName != null 6962 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6963 info.activityInfo.splitName)) { 6964 if (mInstantAppInstallerActivity == null) { 6965 if (DEBUG_INSTALL) { 6966 Slog.v(TAG, "No installer - not adding it to the ResolveInfo list"); 6967 } 6968 resolveInfos.remove(i); 6969 continue; 6970 } 6971 if (blockInstant && isInstantApp(info.activityInfo.packageName, userId)) { 6972 resolveInfos.remove(i); 6973 continue; 6974 } 6975 // requested activity is defined in a split that hasn't been installed yet. 6976 // add the installer to the resolve list 6977 if (DEBUG_INSTALL) { 6978 Slog.v(TAG, "Adding installer to the ResolveInfo list"); 6979 } 6980 final ResolveInfo installerInfo = new ResolveInfo( 6981 mInstantAppInstallerInfo); 6982 final ComponentName installFailureActivity = findInstallFailureActivity( 6983 info.activityInfo.packageName, filterCallingUid, userId); 6984 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6985 installFailureActivity, 6986 info.activityInfo.packageName, 6987 info.activityInfo.applicationInfo.longVersionCode, 6988 info.activityInfo.splitName); 6989 // add a non-generic filter 6990 installerInfo.filter = new IntentFilter(); 6991 6992 // This resolve info may appear in the chooser UI, so let us make it 6993 // look as the one it replaces as far as the user is concerned which 6994 // requires loading the correct label and icon for the resolve info. 6995 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6996 installerInfo.labelRes = info.resolveLabelResId(); 6997 installerInfo.icon = info.resolveIconResId(); 6998 installerInfo.isInstantAppAvailable = true; 6999 resolveInfos.set(i, installerInfo); 7000 continue; 7001 } 7002 // caller is a full app, don't need to apply any other filtering 7003 if (ephemeralPkgName == null) { 7004 continue; 7005 } else if (ephemeralPkgName.equals(info.activityInfo.packageName)) { 7006 // caller is same app; don't need to apply any other filtering 7007 continue; 7008 } else if (resolveForStart 7009 && (intent.isWebIntent() 7010 || (intent.getFlags() & Intent.FLAG_ACTIVITY_MATCH_EXTERNAL) != 0) 7011 && intent.getPackage() == null 7012 && intent.getComponent() == null) { 7013 // ephemeral apps can launch other ephemeral apps indirectly 7014 continue; 7015 } 7016 // allow activities that have been explicitly exposed to ephemeral apps 7017 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 7018 if (!isEphemeralApp 7019 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7020 continue; 7021 } 7022 resolveInfos.remove(i); 7023 } 7024 return resolveInfos; 7025 } 7026 7027 /** 7028 * Returns the activity component that can handle install failures. 7029 * <p>By default, the instant application installer handles failures. However, an 7030 * application may want to handle failures on its own. Applications do this by 7031 * creating an activity with an intent filter that handles the action 7032 * {@link Intent#ACTION_INSTALL_FAILURE}. 7033 */ 7034 private @Nullable ComponentName findInstallFailureActivity( 7035 String packageName, int filterCallingUid, int userId) { 7036 final Intent failureActivityIntent = new Intent(Intent.ACTION_INSTALL_FAILURE); 7037 failureActivityIntent.setPackage(packageName); 7038 // IMPORTANT: disallow dynamic splits to avoid an infinite loop 7039 final List<ResolveInfo> result = queryIntentActivitiesInternal( 7040 failureActivityIntent, null /*resolvedType*/, 0 /*flags*/, filterCallingUid, userId, 7041 false /*resolveForStart*/, false /*allowDynamicSplits*/); 7042 final int NR = result.size(); 7043 if (NR > 0) { 7044 for (int i = 0; i < NR; i++) { 7045 final ResolveInfo info = result.get(i); 7046 if (info.activityInfo.splitName != null) { 7047 continue; 7048 } 7049 return new ComponentName(packageName, info.activityInfo.name); 7050 } 7051 } 7052 return null; 7053 } 7054 7055 /** 7056 * @param resolveInfos list of resolve infos in descending priority order 7057 * @return if the list contains a resolve info with non-negative priority 7058 */ 7059 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 7060 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 7061 } 7062 7063 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 7064 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 7065 int userId) { 7066 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 7067 7068 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7069 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 7070 candidates.size()); 7071 } 7072 7073 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 7074 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 7075 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 7076 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 7077 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 7078 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 7079 7080 synchronized (mPackages) { 7081 final int count = candidates.size(); 7082 // First, try to use linked apps. Partition the candidates into four lists: 7083 // one for the final results, one for the "do not use ever", one for "undefined status" 7084 // and finally one for "browser app type". 7085 for (int n=0; n<count; n++) { 7086 ResolveInfo info = candidates.get(n); 7087 String packageName = info.activityInfo.packageName; 7088 PackageSetting ps = mSettings.mPackages.get(packageName); 7089 if (ps != null) { 7090 // Add to the special match all list (Browser use case) 7091 if (info.handleAllWebDataURI) { 7092 matchAllList.add(info); 7093 continue; 7094 } 7095 // Try to get the status from User settings first 7096 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 7097 int status = (int)(packedStatus >> 32); 7098 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 7099 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 7100 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7101 Slog.i(TAG, " + always: " + info.activityInfo.packageName 7102 + " : linkgen=" + linkGeneration); 7103 } 7104 // Use link-enabled generation as preferredOrder, i.e. 7105 // prefer newly-enabled over earlier-enabled. 7106 info.preferredOrder = linkGeneration; 7107 alwaysList.add(info); 7108 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7109 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7110 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 7111 } 7112 neverList.add(info); 7113 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 7114 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7115 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 7116 } 7117 alwaysAskList.add(info); 7118 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 7119 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 7120 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7121 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 7122 } 7123 undefinedList.add(info); 7124 } 7125 } 7126 } 7127 7128 // We'll want to include browser possibilities in a few cases 7129 boolean includeBrowser = false; 7130 7131 // First try to add the "always" resolution(s) for the current user, if any 7132 if (alwaysList.size() > 0) { 7133 result.addAll(alwaysList); 7134 } else { 7135 // Add all undefined apps as we want them to appear in the disambiguation dialog. 7136 result.addAll(undefinedList); 7137 // Maybe add one for the other profile. 7138 if (xpDomainInfo != null && ( 7139 xpDomainInfo.bestDomainVerificationStatus 7140 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 7141 result.add(xpDomainInfo.resolveInfo); 7142 } 7143 includeBrowser = true; 7144 } 7145 7146 // The presence of any 'always ask' alternatives means we'll also offer browsers. 7147 // If there were 'always' entries their preferred order has been set, so we also 7148 // back that off to make the alternatives equivalent 7149 if (alwaysAskList.size() > 0) { 7150 for (ResolveInfo i : result) { 7151 i.preferredOrder = 0; 7152 } 7153 result.addAll(alwaysAskList); 7154 includeBrowser = true; 7155 } 7156 7157 if (includeBrowser) { 7158 // Also add browsers (all of them or only the default one) 7159 if (DEBUG_DOMAIN_VERIFICATION) { 7160 Slog.v(TAG, " ...including browsers in candidate set"); 7161 } 7162 if ((matchFlags & MATCH_ALL) != 0) { 7163 result.addAll(matchAllList); 7164 } else { 7165 // Browser/generic handling case. If there's a default browser, go straight 7166 // to that (but only if there is no other higher-priority match). 7167 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 7168 int maxMatchPrio = 0; 7169 ResolveInfo defaultBrowserMatch = null; 7170 final int numCandidates = matchAllList.size(); 7171 for (int n = 0; n < numCandidates; n++) { 7172 ResolveInfo info = matchAllList.get(n); 7173 // track the highest overall match priority... 7174 if (info.priority > maxMatchPrio) { 7175 maxMatchPrio = info.priority; 7176 } 7177 // ...and the highest-priority default browser match 7178 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 7179 if (defaultBrowserMatch == null 7180 || (defaultBrowserMatch.priority < info.priority)) { 7181 if (debug) { 7182 Slog.v(TAG, "Considering default browser match " + info); 7183 } 7184 defaultBrowserMatch = info; 7185 } 7186 } 7187 } 7188 if (defaultBrowserMatch != null 7189 && defaultBrowserMatch.priority >= maxMatchPrio 7190 && !TextUtils.isEmpty(defaultBrowserPackageName)) 7191 { 7192 if (debug) { 7193 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 7194 } 7195 result.add(defaultBrowserMatch); 7196 } else { 7197 result.addAll(matchAllList); 7198 } 7199 } 7200 7201 // If there is nothing selected, add all candidates and remove the ones that the user 7202 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 7203 if (result.size() == 0) { 7204 result.addAll(candidates); 7205 result.removeAll(neverList); 7206 } 7207 } 7208 } 7209 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7210 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 7211 result.size()); 7212 for (ResolveInfo info : result) { 7213 Slog.v(TAG, " + " + info.activityInfo); 7214 } 7215 } 7216 return result; 7217 } 7218 7219 // Returns a packed value as a long: 7220 // 7221 // high 'int'-sized word: link status: undefined/ask/never/always. 7222 // low 'int'-sized word: relative priority among 'always' results. 7223 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 7224 long result = ps.getDomainVerificationStatusForUser(userId); 7225 // if none available, get the master status 7226 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 7227 if (ps.getIntentFilterVerificationInfo() != null) { 7228 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 7229 } 7230 } 7231 return result; 7232 } 7233 7234 private ResolveInfo querySkipCurrentProfileIntents( 7235 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7236 int flags, int sourceUserId) { 7237 if (matchingFilters != null) { 7238 int size = matchingFilters.size(); 7239 for (int i = 0; i < size; i ++) { 7240 CrossProfileIntentFilter filter = matchingFilters.get(i); 7241 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 7242 // Checking if there are activities in the target user that can handle the 7243 // intent. 7244 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7245 resolvedType, flags, sourceUserId); 7246 if (resolveInfo != null) { 7247 return resolveInfo; 7248 } 7249 } 7250 } 7251 } 7252 return null; 7253 } 7254 7255 // Return matching ResolveInfo in target user if any. 7256 private ResolveInfo queryCrossProfileIntents( 7257 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7258 int flags, int sourceUserId, boolean matchInCurrentProfile) { 7259 if (matchingFilters != null) { 7260 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 7261 // match the same intent. For performance reasons, it is better not to 7262 // run queryIntent twice for the same userId 7263 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 7264 int size = matchingFilters.size(); 7265 for (int i = 0; i < size; i++) { 7266 CrossProfileIntentFilter filter = matchingFilters.get(i); 7267 int targetUserId = filter.getTargetUserId(); 7268 boolean skipCurrentProfile = 7269 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 7270 boolean skipCurrentProfileIfNoMatchFound = 7271 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 7272 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 7273 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 7274 // Checking if there are activities in the target user that can handle the 7275 // intent. 7276 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7277 resolvedType, flags, sourceUserId); 7278 if (resolveInfo != null) return resolveInfo; 7279 alreadyTriedUserIds.put(targetUserId, true); 7280 } 7281 } 7282 } 7283 return null; 7284 } 7285 7286 /** 7287 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 7288 * will forward the intent to the filter's target user. 7289 * Otherwise, returns null. 7290 */ 7291 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 7292 String resolvedType, int flags, int sourceUserId) { 7293 int targetUserId = filter.getTargetUserId(); 7294 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7295 resolvedType, flags, targetUserId); 7296 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 7297 // If all the matches in the target profile are suspended, return null. 7298 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 7299 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 7300 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 7301 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 7302 targetUserId); 7303 } 7304 } 7305 } 7306 return null; 7307 } 7308 7309 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 7310 int sourceUserId, int targetUserId) { 7311 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 7312 long ident = Binder.clearCallingIdentity(); 7313 boolean targetIsProfile; 7314 try { 7315 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 7316 } finally { 7317 Binder.restoreCallingIdentity(ident); 7318 } 7319 String className; 7320 if (targetIsProfile) { 7321 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 7322 } else { 7323 className = FORWARD_INTENT_TO_PARENT; 7324 } 7325 ComponentName forwardingActivityComponentName = new ComponentName( 7326 mAndroidApplication.packageName, className); 7327 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 7328 sourceUserId); 7329 if (!targetIsProfile) { 7330 forwardingActivityInfo.showUserIcon = targetUserId; 7331 forwardingResolveInfo.noResourceId = true; 7332 } 7333 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 7334 forwardingResolveInfo.priority = 0; 7335 forwardingResolveInfo.preferredOrder = 0; 7336 forwardingResolveInfo.match = 0; 7337 forwardingResolveInfo.isDefault = true; 7338 forwardingResolveInfo.filter = filter; 7339 forwardingResolveInfo.targetUserId = targetUserId; 7340 return forwardingResolveInfo; 7341 } 7342 7343 @Override 7344 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 7345 Intent[] specifics, String[] specificTypes, Intent intent, 7346 String resolvedType, int flags, int userId) { 7347 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 7348 specificTypes, intent, resolvedType, flags, userId)); 7349 } 7350 7351 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 7352 Intent[] specifics, String[] specificTypes, Intent intent, 7353 String resolvedType, int flags, int userId) { 7354 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7355 final int callingUid = Binder.getCallingUid(); 7356 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7357 false /*includeInstantApps*/); 7358 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7359 false /*requireFullPermission*/, false /*checkShell*/, 7360 "query intent activity options"); 7361 final String resultsAction = intent.getAction(); 7362 7363 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 7364 | PackageManager.GET_RESOLVED_FILTER, userId); 7365 7366 if (DEBUG_INTENT_MATCHING) { 7367 Log.v(TAG, "Query " + intent + ": " + results); 7368 } 7369 7370 int specificsPos = 0; 7371 int N; 7372 7373 // todo: note that the algorithm used here is O(N^2). This 7374 // isn't a problem in our current environment, but if we start running 7375 // into situations where we have more than 5 or 10 matches then this 7376 // should probably be changed to something smarter... 7377 7378 // First we go through and resolve each of the specific items 7379 // that were supplied, taking care of removing any corresponding 7380 // duplicate items in the generic resolve list. 7381 if (specifics != null) { 7382 for (int i=0; i<specifics.length; i++) { 7383 final Intent sintent = specifics[i]; 7384 if (sintent == null) { 7385 continue; 7386 } 7387 7388 if (DEBUG_INTENT_MATCHING) { 7389 Log.v(TAG, "Specific #" + i + ": " + sintent); 7390 } 7391 7392 String action = sintent.getAction(); 7393 if (resultsAction != null && resultsAction.equals(action)) { 7394 // If this action was explicitly requested, then don't 7395 // remove things that have it. 7396 action = null; 7397 } 7398 7399 ResolveInfo ri = null; 7400 ActivityInfo ai = null; 7401 7402 ComponentName comp = sintent.getComponent(); 7403 if (comp == null) { 7404 ri = resolveIntent( 7405 sintent, 7406 specificTypes != null ? specificTypes[i] : null, 7407 flags, userId); 7408 if (ri == null) { 7409 continue; 7410 } 7411 if (ri == mResolveInfo) { 7412 // ACK! Must do something better with this. 7413 } 7414 ai = ri.activityInfo; 7415 comp = new ComponentName(ai.applicationInfo.packageName, 7416 ai.name); 7417 } else { 7418 ai = getActivityInfo(comp, flags, userId); 7419 if (ai == null) { 7420 continue; 7421 } 7422 } 7423 7424 // Look for any generic query activities that are duplicates 7425 // of this specific one, and remove them from the results. 7426 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7427 N = results.size(); 7428 int j; 7429 for (j=specificsPos; j<N; j++) { 7430 ResolveInfo sri = results.get(j); 7431 if ((sri.activityInfo.name.equals(comp.getClassName()) 7432 && sri.activityInfo.applicationInfo.packageName.equals( 7433 comp.getPackageName())) 7434 || (action != null && sri.filter.matchAction(action))) { 7435 results.remove(j); 7436 if (DEBUG_INTENT_MATCHING) Log.v( 7437 TAG, "Removing duplicate item from " + j 7438 + " due to specific " + specificsPos); 7439 if (ri == null) { 7440 ri = sri; 7441 } 7442 j--; 7443 N--; 7444 } 7445 } 7446 7447 // Add this specific item to its proper place. 7448 if (ri == null) { 7449 ri = new ResolveInfo(); 7450 ri.activityInfo = ai; 7451 } 7452 results.add(specificsPos, ri); 7453 ri.specificIndex = i; 7454 specificsPos++; 7455 } 7456 } 7457 7458 // Now we go through the remaining generic results and remove any 7459 // duplicate actions that are found here. 7460 N = results.size(); 7461 for (int i=specificsPos; i<N-1; i++) { 7462 final ResolveInfo rii = results.get(i); 7463 if (rii.filter == null) { 7464 continue; 7465 } 7466 7467 // Iterate over all of the actions of this result's intent 7468 // filter... typically this should be just one. 7469 final Iterator<String> it = rii.filter.actionsIterator(); 7470 if (it == null) { 7471 continue; 7472 } 7473 while (it.hasNext()) { 7474 final String action = it.next(); 7475 if (resultsAction != null && resultsAction.equals(action)) { 7476 // If this action was explicitly requested, then don't 7477 // remove things that have it. 7478 continue; 7479 } 7480 for (int j=i+1; j<N; j++) { 7481 final ResolveInfo rij = results.get(j); 7482 if (rij.filter != null && rij.filter.hasAction(action)) { 7483 results.remove(j); 7484 if (DEBUG_INTENT_MATCHING) Log.v( 7485 TAG, "Removing duplicate item from " + j 7486 + " due to action " + action + " at " + i); 7487 j--; 7488 N--; 7489 } 7490 } 7491 } 7492 7493 // If the caller didn't request filter information, drop it now 7494 // so we don't have to marshall/unmarshall it. 7495 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7496 rii.filter = null; 7497 } 7498 } 7499 7500 // Filter out the caller activity if so requested. 7501 if (caller != null) { 7502 N = results.size(); 7503 for (int i=0; i<N; i++) { 7504 ActivityInfo ainfo = results.get(i).activityInfo; 7505 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7506 && caller.getClassName().equals(ainfo.name)) { 7507 results.remove(i); 7508 break; 7509 } 7510 } 7511 } 7512 7513 // If the caller didn't request filter information, 7514 // drop them now so we don't have to 7515 // marshall/unmarshall it. 7516 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7517 N = results.size(); 7518 for (int i=0; i<N; i++) { 7519 results.get(i).filter = null; 7520 } 7521 } 7522 7523 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7524 return results; 7525 } 7526 7527 @Override 7528 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7529 String resolvedType, int flags, int userId) { 7530 return new ParceledListSlice<>( 7531 queryIntentReceiversInternal(intent, resolvedType, flags, userId, 7532 false /*allowDynamicSplits*/)); 7533 } 7534 7535 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7536 String resolvedType, int flags, int userId, boolean allowDynamicSplits) { 7537 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7538 final int callingUid = Binder.getCallingUid(); 7539 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7540 false /*requireFullPermission*/, false /*checkShell*/, 7541 "query intent receivers"); 7542 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7543 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7544 false /*includeInstantApps*/); 7545 ComponentName comp = intent.getComponent(); 7546 if (comp == null) { 7547 if (intent.getSelector() != null) { 7548 intent = intent.getSelector(); 7549 comp = intent.getComponent(); 7550 } 7551 } 7552 if (comp != null) { 7553 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7554 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7555 if (ai != null) { 7556 // When specifying an explicit component, we prevent the activity from being 7557 // used when either 1) the calling package is normal and the activity is within 7558 // an instant application or 2) the calling package is ephemeral and the 7559 // activity is not visible to instant applications. 7560 final boolean matchInstantApp = 7561 (flags & PackageManager.MATCH_INSTANT) != 0; 7562 final boolean matchVisibleToInstantAppOnly = 7563 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7564 final boolean matchExplicitlyVisibleOnly = 7565 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7566 final boolean isCallerInstantApp = 7567 instantAppPkgName != null; 7568 final boolean isTargetSameInstantApp = 7569 comp.getPackageName().equals(instantAppPkgName); 7570 final boolean isTargetInstantApp = 7571 (ai.applicationInfo.privateFlags 7572 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7573 final boolean isTargetVisibleToInstantApp = 7574 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7575 final boolean isTargetExplicitlyVisibleToInstantApp = 7576 isTargetVisibleToInstantApp 7577 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7578 final boolean isTargetHiddenFromInstantApp = 7579 !isTargetVisibleToInstantApp 7580 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7581 final boolean blockResolution = 7582 !isTargetSameInstantApp 7583 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7584 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7585 && isTargetHiddenFromInstantApp)); 7586 if (!blockResolution) { 7587 ResolveInfo ri = new ResolveInfo(); 7588 ri.activityInfo = ai; 7589 list.add(ri); 7590 } 7591 } 7592 return applyPostResolutionFilter( 7593 list, instantAppPkgName, allowDynamicSplits, callingUid, false, userId, 7594 intent); 7595 } 7596 7597 // reader 7598 synchronized (mPackages) { 7599 String pkgName = intent.getPackage(); 7600 if (pkgName == null) { 7601 final List<ResolveInfo> result = 7602 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7603 return applyPostResolutionFilter( 7604 result, instantAppPkgName, allowDynamicSplits, callingUid, false, userId, 7605 intent); 7606 } 7607 final PackageParser.Package pkg = mPackages.get(pkgName); 7608 if (pkg != null) { 7609 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7610 intent, resolvedType, flags, pkg.receivers, userId); 7611 return applyPostResolutionFilter( 7612 result, instantAppPkgName, allowDynamicSplits, callingUid, false, userId, 7613 intent); 7614 } 7615 return Collections.emptyList(); 7616 } 7617 } 7618 7619 @Override 7620 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7621 final int callingUid = Binder.getCallingUid(); 7622 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7623 } 7624 7625 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7626 int userId, int callingUid) { 7627 if (!sUserManager.exists(userId)) return null; 7628 flags = updateFlagsForResolve( 7629 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7630 List<ResolveInfo> query = queryIntentServicesInternal( 7631 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7632 if (query != null) { 7633 if (query.size() >= 1) { 7634 // If there is more than one service with the same priority, 7635 // just arbitrarily pick the first one. 7636 return query.get(0); 7637 } 7638 } 7639 return null; 7640 } 7641 7642 @Override 7643 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7644 String resolvedType, int flags, int userId) { 7645 final int callingUid = Binder.getCallingUid(); 7646 return new ParceledListSlice<>(queryIntentServicesInternal( 7647 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7648 } 7649 7650 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7651 String resolvedType, int flags, int userId, int callingUid, 7652 boolean includeInstantApps) { 7653 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7654 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7655 false /*requireFullPermission*/, false /*checkShell*/, 7656 "query intent receivers"); 7657 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7658 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7659 ComponentName comp = intent.getComponent(); 7660 if (comp == null) { 7661 if (intent.getSelector() != null) { 7662 intent = intent.getSelector(); 7663 comp = intent.getComponent(); 7664 } 7665 } 7666 if (comp != null) { 7667 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7668 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7669 if (si != null) { 7670 // When specifying an explicit component, we prevent the service from being 7671 // used when either 1) the service is in an instant application and the 7672 // caller is not the same instant application or 2) the calling package is 7673 // ephemeral and the activity is not visible to ephemeral applications. 7674 final boolean matchInstantApp = 7675 (flags & PackageManager.MATCH_INSTANT) != 0; 7676 final boolean matchVisibleToInstantAppOnly = 7677 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7678 final boolean isCallerInstantApp = 7679 instantAppPkgName != null; 7680 final boolean isTargetSameInstantApp = 7681 comp.getPackageName().equals(instantAppPkgName); 7682 final boolean isTargetInstantApp = 7683 (si.applicationInfo.privateFlags 7684 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7685 final boolean isTargetHiddenFromInstantApp = 7686 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7687 final boolean blockResolution = 7688 !isTargetSameInstantApp 7689 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7690 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7691 && isTargetHiddenFromInstantApp)); 7692 if (!blockResolution) { 7693 final ResolveInfo ri = new ResolveInfo(); 7694 ri.serviceInfo = si; 7695 list.add(ri); 7696 } 7697 } 7698 return list; 7699 } 7700 7701 // reader 7702 synchronized (mPackages) { 7703 String pkgName = intent.getPackage(); 7704 if (pkgName == null) { 7705 return applyPostServiceResolutionFilter( 7706 mServices.queryIntent(intent, resolvedType, flags, userId), 7707 instantAppPkgName); 7708 } 7709 final PackageParser.Package pkg = mPackages.get(pkgName); 7710 if (pkg != null) { 7711 return applyPostServiceResolutionFilter( 7712 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7713 userId), 7714 instantAppPkgName); 7715 } 7716 return Collections.emptyList(); 7717 } 7718 } 7719 7720 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7721 String instantAppPkgName) { 7722 if (instantAppPkgName == null) { 7723 return resolveInfos; 7724 } 7725 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7726 final ResolveInfo info = resolveInfos.get(i); 7727 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7728 // allow services that are defined in the provided package 7729 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7730 if (info.serviceInfo.splitName != null 7731 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7732 info.serviceInfo.splitName)) { 7733 // requested service is defined in a split that hasn't been installed yet. 7734 // add the installer to the resolve list 7735 if (DEBUG_INSTANT) { 7736 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7737 } 7738 final ResolveInfo installerInfo = new ResolveInfo( 7739 mInstantAppInstallerInfo); 7740 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7741 null /* installFailureActivity */, 7742 info.serviceInfo.packageName, 7743 info.serviceInfo.applicationInfo.longVersionCode, 7744 info.serviceInfo.splitName); 7745 // add a non-generic filter 7746 installerInfo.filter = new IntentFilter(); 7747 // load resources from the correct package 7748 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7749 resolveInfos.set(i, installerInfo); 7750 } 7751 continue; 7752 } 7753 // allow services that have been explicitly exposed to ephemeral apps 7754 if (!isEphemeralApp 7755 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7756 continue; 7757 } 7758 resolveInfos.remove(i); 7759 } 7760 return resolveInfos; 7761 } 7762 7763 @Override 7764 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7765 String resolvedType, int flags, int userId) { 7766 return new ParceledListSlice<>( 7767 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7768 } 7769 7770 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7771 Intent intent, String resolvedType, int flags, int userId) { 7772 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7773 final int callingUid = Binder.getCallingUid(); 7774 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7775 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7776 false /*includeInstantApps*/); 7777 ComponentName comp = intent.getComponent(); 7778 if (comp == null) { 7779 if (intent.getSelector() != null) { 7780 intent = intent.getSelector(); 7781 comp = intent.getComponent(); 7782 } 7783 } 7784 if (comp != null) { 7785 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7786 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7787 if (pi != null) { 7788 // When specifying an explicit component, we prevent the provider from being 7789 // used when either 1) the provider is in an instant application and the 7790 // caller is not the same instant application or 2) the calling package is an 7791 // instant application and the provider is not visible to instant applications. 7792 final boolean matchInstantApp = 7793 (flags & PackageManager.MATCH_INSTANT) != 0; 7794 final boolean matchVisibleToInstantAppOnly = 7795 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7796 final boolean isCallerInstantApp = 7797 instantAppPkgName != null; 7798 final boolean isTargetSameInstantApp = 7799 comp.getPackageName().equals(instantAppPkgName); 7800 final boolean isTargetInstantApp = 7801 (pi.applicationInfo.privateFlags 7802 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7803 final boolean isTargetHiddenFromInstantApp = 7804 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7805 final boolean blockResolution = 7806 !isTargetSameInstantApp 7807 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7808 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7809 && isTargetHiddenFromInstantApp)); 7810 if (!blockResolution) { 7811 final ResolveInfo ri = new ResolveInfo(); 7812 ri.providerInfo = pi; 7813 list.add(ri); 7814 } 7815 } 7816 return list; 7817 } 7818 7819 // reader 7820 synchronized (mPackages) { 7821 String pkgName = intent.getPackage(); 7822 if (pkgName == null) { 7823 return applyPostContentProviderResolutionFilter( 7824 mProviders.queryIntent(intent, resolvedType, flags, userId), 7825 instantAppPkgName); 7826 } 7827 final PackageParser.Package pkg = mPackages.get(pkgName); 7828 if (pkg != null) { 7829 return applyPostContentProviderResolutionFilter( 7830 mProviders.queryIntentForPackage( 7831 intent, resolvedType, flags, pkg.providers, userId), 7832 instantAppPkgName); 7833 } 7834 return Collections.emptyList(); 7835 } 7836 } 7837 7838 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7839 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7840 if (instantAppPkgName == null) { 7841 return resolveInfos; 7842 } 7843 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7844 final ResolveInfo info = resolveInfos.get(i); 7845 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7846 // allow providers that are defined in the provided package 7847 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7848 if (info.providerInfo.splitName != null 7849 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7850 info.providerInfo.splitName)) { 7851 // requested provider is defined in a split that hasn't been installed yet. 7852 // add the installer to the resolve list 7853 if (DEBUG_INSTANT) { 7854 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7855 } 7856 final ResolveInfo installerInfo = new ResolveInfo( 7857 mInstantAppInstallerInfo); 7858 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7859 null /*failureActivity*/, 7860 info.providerInfo.packageName, 7861 info.providerInfo.applicationInfo.longVersionCode, 7862 info.providerInfo.splitName); 7863 // add a non-generic filter 7864 installerInfo.filter = new IntentFilter(); 7865 // load resources from the correct package 7866 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7867 resolveInfos.set(i, installerInfo); 7868 } 7869 continue; 7870 } 7871 // allow providers that have been explicitly exposed to instant applications 7872 if (!isEphemeralApp 7873 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7874 continue; 7875 } 7876 resolveInfos.remove(i); 7877 } 7878 return resolveInfos; 7879 } 7880 7881 @Override 7882 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7883 final int callingUid = Binder.getCallingUid(); 7884 if (getInstantAppPackageName(callingUid) != null) { 7885 return ParceledListSlice.emptyList(); 7886 } 7887 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7888 flags = updateFlagsForPackage(flags, userId, null); 7889 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7890 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7891 false /* requireFullPermission */, false /* checkShell */, 7892 "get installed packages"); 7893 7894 // writer 7895 synchronized (mPackages) { 7896 ArrayList<PackageInfo> list; 7897 if (listUninstalled) { 7898 list = new ArrayList<>(mSettings.mPackages.size()); 7899 for (PackageSetting ps : mSettings.mPackages.values()) { 7900 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7901 continue; 7902 } 7903 if (filterAppAccessLPr(ps, callingUid, userId)) { 7904 continue; 7905 } 7906 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7907 if (pi != null) { 7908 list.add(pi); 7909 } 7910 } 7911 } else { 7912 list = new ArrayList<>(mPackages.size()); 7913 for (PackageParser.Package p : mPackages.values()) { 7914 final PackageSetting ps = (PackageSetting) p.mExtras; 7915 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7916 continue; 7917 } 7918 if (filterAppAccessLPr(ps, callingUid, userId)) { 7919 continue; 7920 } 7921 final PackageInfo pi = generatePackageInfo((PackageSetting) 7922 p.mExtras, flags, userId); 7923 if (pi != null) { 7924 list.add(pi); 7925 } 7926 } 7927 } 7928 7929 return new ParceledListSlice<>(list); 7930 } 7931 } 7932 7933 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7934 String[] permissions, boolean[] tmp, int flags, int userId) { 7935 int numMatch = 0; 7936 final PermissionsState permissionsState = ps.getPermissionsState(); 7937 for (int i=0; i<permissions.length; i++) { 7938 final String permission = permissions[i]; 7939 if (permissionsState.hasPermission(permission, userId)) { 7940 tmp[i] = true; 7941 numMatch++; 7942 } else { 7943 tmp[i] = false; 7944 } 7945 } 7946 if (numMatch == 0) { 7947 return; 7948 } 7949 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7950 7951 // The above might return null in cases of uninstalled apps or install-state 7952 // skew across users/profiles. 7953 if (pi != null) { 7954 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7955 if (numMatch == permissions.length) { 7956 pi.requestedPermissions = permissions; 7957 } else { 7958 pi.requestedPermissions = new String[numMatch]; 7959 numMatch = 0; 7960 for (int i=0; i<permissions.length; i++) { 7961 if (tmp[i]) { 7962 pi.requestedPermissions[numMatch] = permissions[i]; 7963 numMatch++; 7964 } 7965 } 7966 } 7967 } 7968 list.add(pi); 7969 } 7970 } 7971 7972 @Override 7973 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7974 String[] permissions, int flags, int userId) { 7975 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7976 flags = updateFlagsForPackage(flags, userId, permissions); 7977 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7978 true /* requireFullPermission */, false /* checkShell */, 7979 "get packages holding permissions"); 7980 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7981 7982 // writer 7983 synchronized (mPackages) { 7984 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7985 boolean[] tmpBools = new boolean[permissions.length]; 7986 if (listUninstalled) { 7987 for (PackageSetting ps : mSettings.mPackages.values()) { 7988 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7989 userId); 7990 } 7991 } else { 7992 for (PackageParser.Package pkg : mPackages.values()) { 7993 PackageSetting ps = (PackageSetting)pkg.mExtras; 7994 if (ps != null) { 7995 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7996 userId); 7997 } 7998 } 7999 } 8000 8001 return new ParceledListSlice<PackageInfo>(list); 8002 } 8003 } 8004 8005 @Override 8006 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 8007 final int callingUid = Binder.getCallingUid(); 8008 if (getInstantAppPackageName(callingUid) != null) { 8009 return ParceledListSlice.emptyList(); 8010 } 8011 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8012 flags = updateFlagsForApplication(flags, userId, null); 8013 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 8014 8015 mPermissionManager.enforceCrossUserPermission( 8016 callingUid, 8017 userId, 8018 false /* requireFullPermission */, 8019 false /* checkShell */, 8020 "get installed application info"); 8021 8022 // writer 8023 synchronized (mPackages) { 8024 ArrayList<ApplicationInfo> list; 8025 if (listUninstalled) { 8026 list = new ArrayList<>(mSettings.mPackages.size()); 8027 for (PackageSetting ps : mSettings.mPackages.values()) { 8028 ApplicationInfo ai; 8029 int effectiveFlags = flags; 8030 if (ps.isSystem()) { 8031 effectiveFlags |= PackageManager.MATCH_ANY_USER; 8032 } 8033 if (ps.pkg != null) { 8034 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 8035 continue; 8036 } 8037 if (filterAppAccessLPr(ps, callingUid, userId)) { 8038 continue; 8039 } 8040 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 8041 ps.readUserState(userId), userId); 8042 if (ai != null) { 8043 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 8044 } 8045 } else { 8046 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 8047 // and already converts to externally visible package name 8048 ai = generateApplicationInfoFromSettingsLPw(ps.name, 8049 callingUid, effectiveFlags, userId); 8050 } 8051 if (ai != null) { 8052 list.add(ai); 8053 } 8054 } 8055 } else { 8056 list = new ArrayList<>(mPackages.size()); 8057 for (PackageParser.Package p : mPackages.values()) { 8058 if (p.mExtras != null) { 8059 PackageSetting ps = (PackageSetting) p.mExtras; 8060 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 8061 continue; 8062 } 8063 if (filterAppAccessLPr(ps, callingUid, userId)) { 8064 continue; 8065 } 8066 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8067 ps.readUserState(userId), userId); 8068 if (ai != null) { 8069 ai.packageName = resolveExternalPackageNameLPr(p); 8070 list.add(ai); 8071 } 8072 } 8073 } 8074 } 8075 8076 return new ParceledListSlice<>(list); 8077 } 8078 } 8079 8080 @Override 8081 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 8082 if (HIDE_EPHEMERAL_APIS) { 8083 return null; 8084 } 8085 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 8086 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8087 "getEphemeralApplications"); 8088 } 8089 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8090 true /* requireFullPermission */, false /* checkShell */, 8091 "getEphemeralApplications"); 8092 synchronized (mPackages) { 8093 List<InstantAppInfo> instantApps = mInstantAppRegistry 8094 .getInstantAppsLPr(userId); 8095 if (instantApps != null) { 8096 return new ParceledListSlice<>(instantApps); 8097 } 8098 } 8099 return null; 8100 } 8101 8102 @Override 8103 public boolean isInstantApp(String packageName, int userId) { 8104 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8105 true /* requireFullPermission */, false /* checkShell */, 8106 "isInstantApp"); 8107 if (HIDE_EPHEMERAL_APIS) { 8108 return false; 8109 } 8110 8111 synchronized (mPackages) { 8112 int callingUid = Binder.getCallingUid(); 8113 if (Process.isIsolated(callingUid)) { 8114 callingUid = mIsolatedOwners.get(callingUid); 8115 } 8116 final PackageSetting ps = mSettings.mPackages.get(packageName); 8117 PackageParser.Package pkg = mPackages.get(packageName); 8118 final boolean returnAllowed = 8119 ps != null 8120 && (isCallerSameApp(packageName, callingUid) 8121 || canViewInstantApps(callingUid, userId) 8122 || mInstantAppRegistry.isInstantAccessGranted( 8123 userId, UserHandle.getAppId(callingUid), ps.appId)); 8124 if (returnAllowed) { 8125 return ps.getInstantApp(userId); 8126 } 8127 } 8128 return false; 8129 } 8130 8131 @Override 8132 public byte[] getInstantAppCookie(String packageName, int userId) { 8133 if (HIDE_EPHEMERAL_APIS) { 8134 return null; 8135 } 8136 8137 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8138 true /* requireFullPermission */, false /* checkShell */, 8139 "getInstantAppCookie"); 8140 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8141 return null; 8142 } 8143 synchronized (mPackages) { 8144 return mInstantAppRegistry.getInstantAppCookieLPw( 8145 packageName, userId); 8146 } 8147 } 8148 8149 @Override 8150 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 8151 if (HIDE_EPHEMERAL_APIS) { 8152 return true; 8153 } 8154 8155 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8156 true /* requireFullPermission */, true /* checkShell */, 8157 "setInstantAppCookie"); 8158 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8159 return false; 8160 } 8161 synchronized (mPackages) { 8162 return mInstantAppRegistry.setInstantAppCookieLPw( 8163 packageName, cookie, userId); 8164 } 8165 } 8166 8167 @Override 8168 public Bitmap getInstantAppIcon(String packageName, int userId) { 8169 if (HIDE_EPHEMERAL_APIS) { 8170 return null; 8171 } 8172 8173 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 8174 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8175 "getInstantAppIcon"); 8176 } 8177 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8178 true /* requireFullPermission */, false /* checkShell */, 8179 "getInstantAppIcon"); 8180 8181 synchronized (mPackages) { 8182 return mInstantAppRegistry.getInstantAppIconLPw( 8183 packageName, userId); 8184 } 8185 } 8186 8187 private boolean isCallerSameApp(String packageName, int uid) { 8188 PackageParser.Package pkg = mPackages.get(packageName); 8189 return pkg != null 8190 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 8191 } 8192 8193 @Override 8194 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 8195 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8196 return ParceledListSlice.emptyList(); 8197 } 8198 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 8199 } 8200 8201 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 8202 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 8203 8204 // reader 8205 synchronized (mPackages) { 8206 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 8207 final int userId = UserHandle.getCallingUserId(); 8208 while (i.hasNext()) { 8209 final PackageParser.Package p = i.next(); 8210 if (p.applicationInfo == null) continue; 8211 8212 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 8213 && !p.applicationInfo.isDirectBootAware(); 8214 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 8215 && p.applicationInfo.isDirectBootAware(); 8216 8217 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 8218 && (!mSafeMode || isSystemApp(p)) 8219 && (matchesUnaware || matchesAware)) { 8220 PackageSetting ps = mSettings.mPackages.get(p.packageName); 8221 if (ps != null) { 8222 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8223 ps.readUserState(userId), userId); 8224 if (ai != null) { 8225 finalList.add(ai); 8226 } 8227 } 8228 } 8229 } 8230 } 8231 8232 return finalList; 8233 } 8234 8235 @Override 8236 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 8237 return resolveContentProviderInternal(name, flags, userId); 8238 } 8239 8240 private ProviderInfo resolveContentProviderInternal(String name, int flags, int userId) { 8241 if (!sUserManager.exists(userId)) return null; 8242 flags = updateFlagsForComponent(flags, userId, name); 8243 final int callingUid = Binder.getCallingUid(); 8244 synchronized (mPackages) { 8245 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 8246 PackageSetting ps = provider != null 8247 ? mSettings.mPackages.get(provider.owner.packageName) 8248 : null; 8249 if (ps != null) { 8250 // provider not enabled 8251 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 8252 return null; 8253 } 8254 final ComponentName component = 8255 new ComponentName(provider.info.packageName, provider.info.name); 8256 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8257 return null; 8258 } 8259 return PackageParser.generateProviderInfo( 8260 provider, flags, ps.readUserState(userId), userId); 8261 } 8262 return null; 8263 } 8264 } 8265 8266 /** 8267 * @deprecated 8268 */ 8269 @Deprecated 8270 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 8271 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8272 return; 8273 } 8274 // reader 8275 synchronized (mPackages) { 8276 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 8277 .entrySet().iterator(); 8278 final int userId = UserHandle.getCallingUserId(); 8279 while (i.hasNext()) { 8280 Map.Entry<String, PackageParser.Provider> entry = i.next(); 8281 PackageParser.Provider p = entry.getValue(); 8282 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8283 8284 if (ps != null && p.syncable 8285 && (!mSafeMode || (p.info.applicationInfo.flags 8286 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 8287 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 8288 ps.readUserState(userId), userId); 8289 if (info != null) { 8290 outNames.add(entry.getKey()); 8291 outInfo.add(info); 8292 } 8293 } 8294 } 8295 } 8296 } 8297 8298 @Override 8299 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 8300 int uid, int flags, String metaDataKey) { 8301 final int callingUid = Binder.getCallingUid(); 8302 final int userId = processName != null ? UserHandle.getUserId(uid) 8303 : UserHandle.getCallingUserId(); 8304 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8305 flags = updateFlagsForComponent(flags, userId, processName); 8306 ArrayList<ProviderInfo> finalList = null; 8307 // reader 8308 synchronized (mPackages) { 8309 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 8310 while (i.hasNext()) { 8311 final PackageParser.Provider p = i.next(); 8312 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8313 if (ps != null && p.info.authority != null 8314 && (processName == null 8315 || (p.info.processName.equals(processName) 8316 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 8317 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 8318 8319 // See PM.queryContentProviders()'s javadoc for why we have the metaData 8320 // parameter. 8321 if (metaDataKey != null 8322 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 8323 continue; 8324 } 8325 final ComponentName component = 8326 new ComponentName(p.info.packageName, p.info.name); 8327 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8328 continue; 8329 } 8330 if (finalList == null) { 8331 finalList = new ArrayList<ProviderInfo>(3); 8332 } 8333 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 8334 ps.readUserState(userId), userId); 8335 if (info != null) { 8336 finalList.add(info); 8337 } 8338 } 8339 } 8340 } 8341 8342 if (finalList != null) { 8343 Collections.sort(finalList, mProviderInitOrderSorter); 8344 return new ParceledListSlice<ProviderInfo>(finalList); 8345 } 8346 8347 return ParceledListSlice.emptyList(); 8348 } 8349 8350 @Override 8351 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 8352 // reader 8353 synchronized (mPackages) { 8354 final int callingUid = Binder.getCallingUid(); 8355 final int callingUserId = UserHandle.getUserId(callingUid); 8356 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 8357 if (ps == null) return null; 8358 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 8359 return null; 8360 } 8361 final PackageParser.Instrumentation i = mInstrumentation.get(component); 8362 return PackageParser.generateInstrumentationInfo(i, flags); 8363 } 8364 } 8365 8366 @Override 8367 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 8368 String targetPackage, int flags) { 8369 final int callingUid = Binder.getCallingUid(); 8370 final int callingUserId = UserHandle.getUserId(callingUid); 8371 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 8372 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 8373 return ParceledListSlice.emptyList(); 8374 } 8375 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 8376 } 8377 8378 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 8379 int flags) { 8380 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 8381 8382 // reader 8383 synchronized (mPackages) { 8384 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 8385 while (i.hasNext()) { 8386 final PackageParser.Instrumentation p = i.next(); 8387 if (targetPackage == null 8388 || targetPackage.equals(p.info.targetPackage)) { 8389 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 8390 flags); 8391 if (ii != null) { 8392 finalList.add(ii); 8393 } 8394 } 8395 } 8396 } 8397 8398 return finalList; 8399 } 8400 8401 private void scanDirTracedLI(File scanDir, final int parseFlags, int scanFlags, long currentTime) { 8402 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + scanDir.getAbsolutePath() + "]"); 8403 try { 8404 scanDirLI(scanDir, parseFlags, scanFlags, currentTime); 8405 } finally { 8406 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8407 } 8408 } 8409 8410 private void scanDirLI(File scanDir, int parseFlags, int scanFlags, long currentTime) { 8411 final File[] files = scanDir.listFiles(); 8412 if (ArrayUtils.isEmpty(files)) { 8413 Log.d(TAG, "No files in app dir " + scanDir); 8414 return; 8415 } 8416 8417 if (DEBUG_PACKAGE_SCANNING) { 8418 Log.d(TAG, "Scanning app dir " + scanDir + " scanFlags=" + scanFlags 8419 + " flags=0x" + Integer.toHexString(parseFlags)); 8420 } 8421 try (ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8422 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8423 mParallelPackageParserCallback)) { 8424 // Submit files for parsing in parallel 8425 int fileCount = 0; 8426 for (File file : files) { 8427 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8428 && !PackageInstallerService.isStageName(file.getName()); 8429 if (!isPackage) { 8430 // Ignore entries which are not packages 8431 continue; 8432 } 8433 parallelPackageParser.submit(file, parseFlags); 8434 fileCount++; 8435 } 8436 8437 // Process results one by one 8438 for (; fileCount > 0; fileCount--) { 8439 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8440 Throwable throwable = parseResult.throwable; 8441 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8442 8443 if (throwable == null) { 8444 // TODO(toddke): move lower in the scan chain 8445 // Static shared libraries have synthetic package names 8446 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8447 renameStaticSharedLibraryPackage(parseResult.pkg); 8448 } 8449 try { 8450 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8451 scanPackageChildLI(parseResult.pkg, parseFlags, scanFlags, 8452 currentTime, null); 8453 } 8454 } catch (PackageManagerException e) { 8455 errorCode = e.error; 8456 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8457 } 8458 } else if (throwable instanceof PackageParser.PackageParserException) { 8459 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8460 throwable; 8461 errorCode = e.error; 8462 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8463 } else { 8464 throw new IllegalStateException("Unexpected exception occurred while parsing " 8465 + parseResult.scanFile, throwable); 8466 } 8467 8468 // Delete invalid userdata apps 8469 if ((scanFlags & SCAN_AS_SYSTEM) == 0 && 8470 errorCode != PackageManager.INSTALL_SUCCEEDED) { 8471 logCriticalInfo(Log.WARN, 8472 "Deleting invalid package at " + parseResult.scanFile); 8473 removeCodePathLI(parseResult.scanFile); 8474 } 8475 } 8476 } 8477 } 8478 8479 public static void reportSettingsProblem(int priority, String msg) { 8480 logCriticalInfo(priority, msg); 8481 } 8482 8483 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, 8484 boolean forceCollect, boolean skipVerify) throws PackageManagerException { 8485 // When upgrading from pre-N MR1, verify the package time stamp using the package 8486 // directory and not the APK file. 8487 final long lastModifiedTime = mIsPreNMR1Upgrade 8488 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg); 8489 if (ps != null && !forceCollect 8490 && ps.codePathString.equals(pkg.codePath) 8491 && ps.timeStamp == lastModifiedTime 8492 && !isCompatSignatureUpdateNeeded(pkg) 8493 && !isRecoverSignatureUpdateNeeded(pkg)) { 8494 if (ps.signatures.mSigningDetails.signatures != null 8495 && ps.signatures.mSigningDetails.signatures.length != 0 8496 && ps.signatures.mSigningDetails.signatureSchemeVersion 8497 != SignatureSchemeVersion.UNKNOWN) { 8498 // Optimization: reuse the existing cached signing data 8499 // if the package appears to be unchanged. 8500 pkg.mSigningDetails = 8501 new PackageParser.SigningDetails(ps.signatures.mSigningDetails); 8502 return; 8503 } 8504 8505 Slog.w(TAG, "PackageSetting for " + ps.name 8506 + " is missing signatures. Collecting certs again to recover them."); 8507 } else { 8508 Slog.i(TAG, pkg.codePath + " changed; collecting certs" + 8509 (forceCollect ? " (forced)" : "")); 8510 } 8511 8512 try { 8513 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8514 PackageParser.collectCertificates(pkg, skipVerify); 8515 } catch (PackageParserException e) { 8516 throw PackageManagerException.from(e); 8517 } finally { 8518 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8519 } 8520 } 8521 8522 /** 8523 * Clear the package profile if this was an upgrade and the package 8524 * version was updated. 8525 */ 8526 private void maybeClearProfilesForUpgradesLI( 8527 @Nullable PackageSetting originalPkgSetting, 8528 @NonNull PackageParser.Package currentPkg) { 8529 if (originalPkgSetting == null || !isUpgrade()) { 8530 return; 8531 } 8532 if (originalPkgSetting.versionCode == currentPkg.mVersionCode) { 8533 return; 8534 } 8535 8536 clearAppProfilesLIF(currentPkg, UserHandle.USER_ALL); 8537 if (DEBUG_INSTALL) { 8538 Slog.d(TAG, originalPkgSetting.name 8539 + " clear profile due to version change " 8540 + originalPkgSetting.versionCode + " != " 8541 + currentPkg.mVersionCode); 8542 } 8543 } 8544 8545 /** 8546 * Traces a package scan. 8547 * @see #scanPackageLI(File, int, int, long, UserHandle) 8548 */ 8549 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8550 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8551 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8552 try { 8553 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8554 } finally { 8555 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8556 } 8557 } 8558 8559 /** 8560 * Scans a package and returns the newly parsed package. 8561 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8562 */ 8563 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8564 long currentTime, UserHandle user) throws PackageManagerException { 8565 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8566 PackageParser pp = new PackageParser(); 8567 pp.setSeparateProcesses(mSeparateProcesses); 8568 pp.setOnlyCoreApps(mOnlyCore); 8569 pp.setDisplayMetrics(mMetrics); 8570 pp.setCallback(mPackageParserCallback); 8571 8572 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8573 final PackageParser.Package pkg; 8574 try { 8575 pkg = pp.parsePackage(scanFile, parseFlags); 8576 } catch (PackageParserException e) { 8577 throw PackageManagerException.from(e); 8578 } finally { 8579 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8580 } 8581 8582 // Static shared libraries have synthetic package names 8583 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8584 renameStaticSharedLibraryPackage(pkg); 8585 } 8586 8587 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8588 } 8589 8590 /** 8591 * Scans a package and returns the newly parsed package. 8592 * @throws PackageManagerException on a parse error. 8593 */ 8594 private PackageParser.Package scanPackageChildLI(PackageParser.Package pkg, 8595 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8596 @Nullable UserHandle user) 8597 throws PackageManagerException { 8598 // If the package has children and this is the first dive in the function 8599 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8600 // packages (parent and children) would be successfully scanned before the 8601 // actual scan since scanning mutates internal state and we want to atomically 8602 // install the package and its children. 8603 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8604 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8605 scanFlags |= SCAN_CHECK_ONLY; 8606 } 8607 } else { 8608 scanFlags &= ~SCAN_CHECK_ONLY; 8609 } 8610 8611 // Scan the parent 8612 PackageParser.Package scannedPkg = addForInitLI(pkg, parseFlags, 8613 scanFlags, currentTime, user); 8614 8615 // Scan the children 8616 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8617 for (int i = 0; i < childCount; i++) { 8618 PackageParser.Package childPackage = pkg.childPackages.get(i); 8619 addForInitLI(childPackage, parseFlags, scanFlags, 8620 currentTime, user); 8621 } 8622 8623 8624 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8625 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8626 } 8627 8628 return scannedPkg; 8629 } 8630 8631 /** 8632 * Returns if full apk verification can be skipped for the whole package, including the splits. 8633 */ 8634 private boolean canSkipFullPackageVerification(PackageParser.Package pkg) { 8635 if (!canSkipFullApkVerification(pkg.baseCodePath)) { 8636 return false; 8637 } 8638 // TODO: Allow base and splits to be verified individually. 8639 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8640 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8641 if (!canSkipFullApkVerification(pkg.splitCodePaths[i])) { 8642 return false; 8643 } 8644 } 8645 } 8646 return true; 8647 } 8648 8649 /** 8650 * Returns if full apk verification can be skipped, depending on current FSVerity setup and 8651 * whether the apk contains signed root hash. Note that the signer's certificate still needs to 8652 * match one in a trusted source, and should be done separately. 8653 */ 8654 private boolean canSkipFullApkVerification(String apkPath) { 8655 byte[] rootHashObserved = null; 8656 try { 8657 rootHashObserved = VerityUtils.generateFsverityRootHash(apkPath); 8658 if (rootHashObserved == null) { 8659 return false; // APK does not contain Merkle tree root hash. 8660 } 8661 synchronized (mInstallLock) { 8662 // Returns whether the observed root hash matches what kernel has. 8663 mInstaller.assertFsverityRootHashMatches(apkPath, rootHashObserved); 8664 return true; 8665 } 8666 } catch (InstallerException | IOException | DigestException | 8667 NoSuchAlgorithmException e) { 8668 Slog.w(TAG, "Error in fsverity check. Fallback to full apk verification.", e); 8669 } 8670 return false; 8671 } 8672 8673 /** 8674 * Adds a new package to the internal data structures during platform initialization. 8675 * <p>After adding, the package is known to the system and available for querying. 8676 * <p>For packages located on the device ROM [eg. packages located in /system, /vendor, 8677 * etc...], additional checks are performed. Basic verification [such as ensuring 8678 * matching signatures, checking version codes, etc...] occurs if the package is 8679 * identical to a previously known package. If the package fails a signature check, 8680 * the version installed on /data will be removed. If the version of the new package 8681 * is less than or equal than the version on /data, it will be ignored. 8682 * <p>Regardless of the package location, the results are applied to the internal 8683 * structures and the package is made available to the rest of the system. 8684 * <p>NOTE: The return value should be removed. It's the passed in package object. 8685 */ 8686 private PackageParser.Package addForInitLI(PackageParser.Package pkg, 8687 @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8688 @Nullable UserHandle user) 8689 throws PackageManagerException { 8690 final boolean scanSystemPartition = (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0; 8691 final String renamedPkgName; 8692 final PackageSetting disabledPkgSetting; 8693 final boolean isSystemPkgUpdated; 8694 final boolean pkgAlreadyExists; 8695 PackageSetting pkgSetting; 8696 8697 // NOTE: installPackageLI() has the same code to setup the package's 8698 // application info. This probably should be done lower in the call 8699 // stack [such as scanPackageOnly()]. However, we verify the application 8700 // info prior to that [in scanPackageNew()] and thus have to setup 8701 // the application info early. 8702 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8703 pkg.setApplicationInfoCodePath(pkg.codePath); 8704 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8705 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8706 pkg.setApplicationInfoResourcePath(pkg.codePath); 8707 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 8708 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8709 8710 synchronized (mPackages) { 8711 renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8712 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 8713 if (realPkgName != null) { 8714 ensurePackageRenamed(pkg, renamedPkgName); 8715 } 8716 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 8717 final PackageSetting installedPkgSetting = mSettings.getPackageLPr(pkg.packageName); 8718 pkgSetting = originalPkgSetting == null ? installedPkgSetting : originalPkgSetting; 8719 pkgAlreadyExists = pkgSetting != null; 8720 final String disabledPkgName = pkgAlreadyExists ? pkgSetting.name : pkg.packageName; 8721 disabledPkgSetting = mSettings.getDisabledSystemPkgLPr(disabledPkgName); 8722 isSystemPkgUpdated = disabledPkgSetting != null; 8723 8724 if (DEBUG_INSTALL && isSystemPkgUpdated) { 8725 Slog.d(TAG, "updatedPkg = " + disabledPkgSetting); 8726 } 8727 8728 final SharedUserSetting sharedUserSetting = (pkg.mSharedUserId != null) 8729 ? mSettings.getSharedUserLPw(pkg.mSharedUserId, 8730 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true) 8731 : null; 8732 if (DEBUG_PACKAGE_SCANNING 8733 && (parseFlags & PackageParser.PARSE_CHATTY) != 0 8734 && sharedUserSetting != null) { 8735 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 8736 + " (uid=" + sharedUserSetting.userId + "):" 8737 + " packages=" + sharedUserSetting.packages); 8738 } 8739 8740 if (scanSystemPartition) { 8741 // Potentially prune child packages. If the application on the /system 8742 // partition has been updated via OTA, but, is still disabled by a 8743 // version on /data, cycle through all of its children packages and 8744 // remove children that are no longer defined. 8745 if (isSystemPkgUpdated) { 8746 final int scannedChildCount = (pkg.childPackages != null) 8747 ? pkg.childPackages.size() : 0; 8748 final int disabledChildCount = disabledPkgSetting.childPackageNames != null 8749 ? disabledPkgSetting.childPackageNames.size() : 0; 8750 for (int i = 0; i < disabledChildCount; i++) { 8751 String disabledChildPackageName = 8752 disabledPkgSetting.childPackageNames.get(i); 8753 boolean disabledPackageAvailable = false; 8754 for (int j = 0; j < scannedChildCount; j++) { 8755 PackageParser.Package childPkg = pkg.childPackages.get(j); 8756 if (childPkg.packageName.equals(disabledChildPackageName)) { 8757 disabledPackageAvailable = true; 8758 break; 8759 } 8760 } 8761 if (!disabledPackageAvailable) { 8762 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8763 } 8764 } 8765 // we're updating the disabled package, so, scan it as the package setting 8766 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, null, 8767 disabledPkgSetting /* pkgSetting */, null /* disabledPkgSetting */, 8768 null /* originalPkgSetting */, null, parseFlags, scanFlags, 8769 (pkg == mPlatformPackage), user); 8770 applyPolicy(pkg, parseFlags, scanFlags, mPlatformPackage); 8771 scanPackageOnlyLI(request, mFactoryTest, -1L); 8772 } 8773 } 8774 } 8775 8776 final boolean newPkgChangedPaths = 8777 pkgAlreadyExists && !pkgSetting.codePathString.equals(pkg.codePath); 8778 final boolean newPkgVersionGreater = 8779 pkgAlreadyExists && pkg.getLongVersionCode() > pkgSetting.versionCode; 8780 final boolean isSystemPkgBetter = scanSystemPartition && isSystemPkgUpdated 8781 && newPkgChangedPaths && newPkgVersionGreater; 8782 if (isSystemPkgBetter) { 8783 // The version of the application on /system is greater than the version on 8784 // /data. Switch back to the application on /system. 8785 // It's safe to assume the application on /system will correctly scan. If not, 8786 // there won't be a working copy of the application. 8787 synchronized (mPackages) { 8788 // just remove the loaded entries from package lists 8789 mPackages.remove(pkgSetting.name); 8790 } 8791 8792 logCriticalInfo(Log.WARN, 8793 "System package updated;" 8794 + " name: " + pkgSetting.name 8795 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8796 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8797 8798 final InstallArgs args = createInstallArgsForExisting( 8799 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8800 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8801 args.cleanUpResourcesLI(); 8802 synchronized (mPackages) { 8803 mSettings.enableSystemPackageLPw(pkgSetting.name); 8804 } 8805 } 8806 8807 if (scanSystemPartition && isSystemPkgUpdated && !isSystemPkgBetter) { 8808 // The version of the application on the /system partition is less than or 8809 // equal to the version on the /data partition. Even though the disabled system package 8810 // is likely to be replaced by a version on the /data partition, we make assumptions 8811 // that it's part of the mPackages collection during package manager initialization. So, 8812 // add it to mPackages if there isn't already a package in the collection and then throw 8813 // an exception to use the application already installed on the /data partition. 8814 synchronized (mPackages) { 8815 if (!mPackages.containsKey(pkg.packageName)) { 8816 mPackages.put(pkg.packageName, pkg); 8817 } 8818 } 8819 throw new PackageManagerException(Log.WARN, "Package " + pkg.packageName + " at " 8820 + pkg.codePath + " ignored: updated version " + pkgSetting.versionCode 8821 + " better than this " + pkg.getLongVersionCode()); 8822 } 8823 8824 // Verify certificates against what was last scanned. If it is an updated priv app, we will 8825 // force re-collecting certificate. 8826 final boolean forceCollect = PackageManagerServiceUtils.isApkVerificationForced( 8827 disabledPkgSetting); 8828 // Full APK verification can be skipped during certificate collection, only if the file is 8829 // in verified partition, or can be verified on access (when apk verity is enabled). In both 8830 // cases, only data in Signing Block is verified instead of the whole file. 8831 final boolean skipVerify = ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) || 8832 (forceCollect && canSkipFullPackageVerification(pkg)); 8833 collectCertificatesLI(pkgSetting, pkg, forceCollect, skipVerify); 8834 8835 // Reset profile if the application version is changed 8836 maybeClearProfilesForUpgradesLI(pkgSetting, pkg); 8837 8838 /* 8839 * A new system app appeared, but we already had a non-system one of the 8840 * same name installed earlier. 8841 */ 8842 boolean shouldHideSystemApp = false; 8843 // A new application appeared on /system, but, we already have a copy of 8844 // the application installed on /data. 8845 if (scanSystemPartition && !isSystemPkgUpdated && pkgAlreadyExists 8846 && !pkgSetting.isSystem()) { 8847 8848 if (!pkg.mSigningDetails.checkCapability(pkgSetting.signatures.mSigningDetails, 8849 PackageParser.SigningDetails.CertCapabilities.INSTALLED_DATA) 8850 && !pkgSetting.signatures.mSigningDetails.checkCapability( 8851 pkg.mSigningDetails, 8852 PackageParser.SigningDetails.CertCapabilities.ROLLBACK)) { 8853 logCriticalInfo(Log.WARN, 8854 "System package signature mismatch;" 8855 + " name: " + pkgSetting.name); 8856 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8857 "scanPackageInternalLI")) { 8858 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8859 } 8860 pkgSetting = null; 8861 } else if (newPkgVersionGreater) { 8862 // The application on /system is newer than the application on /data. 8863 // Simply remove the application on /data [keeping application data] 8864 // and replace it with the version on /system. 8865 logCriticalInfo(Log.WARN, 8866 "System package enabled;" 8867 + " name: " + pkgSetting.name 8868 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8869 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8870 InstallArgs args = createInstallArgsForExisting( 8871 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8872 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8873 synchronized (mInstallLock) { 8874 args.cleanUpResourcesLI(); 8875 } 8876 } else { 8877 // The application on /system is older than the application on /data. Hide 8878 // the application on /system and the version on /data will be scanned later 8879 // and re-added like an update. 8880 shouldHideSystemApp = true; 8881 logCriticalInfo(Log.INFO, 8882 "System package disabled;" 8883 + " name: " + pkgSetting.name 8884 + "; old: " + pkgSetting.codePathString + " @ " + pkgSetting.versionCode 8885 + "; new: " + pkg.codePath + " @ " + pkg.codePath); 8886 } 8887 } 8888 8889 final PackageParser.Package scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags 8890 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8891 8892 if (shouldHideSystemApp) { 8893 synchronized (mPackages) { 8894 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8895 } 8896 } 8897 return scannedPkg; 8898 } 8899 8900 private static void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8901 // Derive the new package synthetic package name 8902 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8903 + pkg.staticSharedLibVersion); 8904 } 8905 8906 private static String fixProcessName(String defProcessName, 8907 String processName) { 8908 if (processName == null) { 8909 return defProcessName; 8910 } 8911 return processName; 8912 } 8913 8914 /** 8915 * Enforces that only the system UID or root's UID can call a method exposed 8916 * via Binder. 8917 * 8918 * @param message used as message if SecurityException is thrown 8919 * @throws SecurityException if the caller is not system or root 8920 */ 8921 private static final void enforceSystemOrRoot(String message) { 8922 final int uid = Binder.getCallingUid(); 8923 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 8924 throw new SecurityException(message); 8925 } 8926 } 8927 8928 @Override 8929 public void performFstrimIfNeeded() { 8930 enforceSystemOrRoot("Only the system can request fstrim"); 8931 8932 // Before everything else, see whether we need to fstrim. 8933 try { 8934 IStorageManager sm = PackageHelper.getStorageManager(); 8935 if (sm != null) { 8936 boolean doTrim = false; 8937 final long interval = android.provider.Settings.Global.getLong( 8938 mContext.getContentResolver(), 8939 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8940 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8941 if (interval > 0) { 8942 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8943 if (timeSinceLast > interval) { 8944 doTrim = true; 8945 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8946 + "; running immediately"); 8947 } 8948 } 8949 if (doTrim) { 8950 final boolean dexOptDialogShown; 8951 synchronized (mPackages) { 8952 dexOptDialogShown = mDexOptDialogShown; 8953 } 8954 if (!isFirstBoot() && dexOptDialogShown) { 8955 try { 8956 ActivityManager.getService().showBootMessage( 8957 mContext.getResources().getString( 8958 R.string.android_upgrading_fstrim), true); 8959 } catch (RemoteException e) { 8960 } 8961 } 8962 sm.runMaintenance(); 8963 } 8964 } else { 8965 Slog.e(TAG, "storageManager service unavailable!"); 8966 } 8967 } catch (RemoteException e) { 8968 // Can't happen; StorageManagerService is local 8969 } 8970 } 8971 8972 @Override 8973 public void updatePackagesIfNeeded() { 8974 enforceSystemOrRoot("Only the system can request package update"); 8975 8976 // We need to re-extract after an OTA. 8977 boolean causeUpgrade = isUpgrade(); 8978 8979 // First boot or factory reset. 8980 // Note: we also handle devices that are upgrading to N right now as if it is their 8981 // first boot, as they do not have profile data. 8982 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8983 8984 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8985 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8986 8987 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8988 return; 8989 } 8990 8991 List<PackageParser.Package> pkgs; 8992 synchronized (mPackages) { 8993 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8994 } 8995 8996 final long startTime = System.nanoTime(); 8997 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8998 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 8999 false /* bootComplete */); 9000 9001 final int elapsedTimeSeconds = 9002 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 9003 9004 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 9005 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 9006 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 9007 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 9008 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 9009 } 9010 9011 /* 9012 * Return the prebuilt profile path given a package base code path. 9013 */ 9014 private static String getPrebuildProfilePath(PackageParser.Package pkg) { 9015 return pkg.baseCodePath + ".prof"; 9016 } 9017 9018 /** 9019 * Performs dexopt on the set of packages in {@code packages} and returns an int array 9020 * containing statistics about the invocation. The array consists of three elements, 9021 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 9022 * and {@code numberOfPackagesFailed}. 9023 */ 9024 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 9025 final int compilationReason, boolean bootComplete) { 9026 9027 int numberOfPackagesVisited = 0; 9028 int numberOfPackagesOptimized = 0; 9029 int numberOfPackagesSkipped = 0; 9030 int numberOfPackagesFailed = 0; 9031 final int numberOfPackagesToDexopt = pkgs.size(); 9032 9033 for (PackageParser.Package pkg : pkgs) { 9034 numberOfPackagesVisited++; 9035 9036 boolean useProfileForDexopt = false; 9037 9038 if ((isFirstBoot() || isUpgrade()) && isSystemApp(pkg)) { 9039 // Copy over initial preopt profiles since we won't get any JIT samples for methods 9040 // that are already compiled. 9041 File profileFile = new File(getPrebuildProfilePath(pkg)); 9042 // Copy profile if it exists. 9043 if (profileFile.exists()) { 9044 try { 9045 // We could also do this lazily before calling dexopt in 9046 // PackageDexOptimizer to prevent this happening on first boot. The issue 9047 // is that we don't have a good way to say "do this only once". 9048 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 9049 pkg.applicationInfo.uid, pkg.packageName, 9050 ArtManager.getProfileName(null))) { 9051 Log.e(TAG, "Installer failed to copy system profile!"); 9052 } else { 9053 // Disabled as this causes speed-profile compilation during first boot 9054 // even if things are already compiled. 9055 // useProfileForDexopt = true; 9056 } 9057 } catch (Exception e) { 9058 Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath() + " ", 9059 e); 9060 } 9061 } else { 9062 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9063 // Handle compressed APKs in this path. Only do this for stubs with profiles to 9064 // minimize the number off apps being speed-profile compiled during first boot. 9065 // The other paths will not change the filter. 9066 if (disabledPs != null && disabledPs.pkg.isStub) { 9067 // The package is the stub one, remove the stub suffix to get the normal 9068 // package and APK names. 9069 String systemProfilePath = 9070 getPrebuildProfilePath(disabledPs.pkg).replace(STUB_SUFFIX, ""); 9071 profileFile = new File(systemProfilePath); 9072 // If we have a profile for a compressed APK, copy it to the reference 9073 // location. 9074 // Note that copying the profile here will cause it to override the 9075 // reference profile every OTA even though the existing reference profile 9076 // may have more data. We can't copy during decompression since the 9077 // directories are not set up at that point. 9078 if (profileFile.exists()) { 9079 try { 9080 // We could also do this lazily before calling dexopt in 9081 // PackageDexOptimizer to prevent this happening on first boot. The 9082 // issue is that we don't have a good way to say "do this only 9083 // once". 9084 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 9085 pkg.applicationInfo.uid, pkg.packageName, 9086 ArtManager.getProfileName(null))) { 9087 Log.e(TAG, "Failed to copy system profile for stub package!"); 9088 } else { 9089 useProfileForDexopt = true; 9090 } 9091 } catch (Exception e) { 9092 Log.e(TAG, "Failed to copy profile " + 9093 profileFile.getAbsolutePath() + " ", e); 9094 } 9095 } 9096 } 9097 } 9098 } 9099 9100 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 9101 if (DEBUG_DEXOPT) { 9102 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 9103 } 9104 numberOfPackagesSkipped++; 9105 continue; 9106 } 9107 9108 if (DEBUG_DEXOPT) { 9109 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 9110 numberOfPackagesToDexopt + ": " + pkg.packageName); 9111 } 9112 9113 if (showDialog) { 9114 try { 9115 ActivityManager.getService().showBootMessage( 9116 mContext.getResources().getString(R.string.android_upgrading_apk, 9117 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 9118 } catch (RemoteException e) { 9119 } 9120 synchronized (mPackages) { 9121 mDexOptDialogShown = true; 9122 } 9123 } 9124 9125 int pkgCompilationReason = compilationReason; 9126 if (useProfileForDexopt) { 9127 // Use background dexopt mode to try and use the profile. Note that this does not 9128 // guarantee usage of the profile. 9129 pkgCompilationReason = PackageManagerService.REASON_BACKGROUND_DEXOPT; 9130 } 9131 9132 // checkProfiles is false to avoid merging profiles during boot which 9133 // might interfere with background compilation (b/28612421). 9134 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 9135 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 9136 // trade-off worth doing to save boot time work. 9137 int dexoptFlags = bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0; 9138 if (compilationReason == REASON_FIRST_BOOT) { 9139 // TODO: This doesn't cover the upgrade case, we should check for this too. 9140 dexoptFlags |= DexoptOptions.DEXOPT_INSTALL_WITH_DEX_METADATA_FILE; 9141 } 9142 int primaryDexOptStaus = performDexOptTraced(new DexoptOptions( 9143 pkg.packageName, 9144 pkgCompilationReason, 9145 dexoptFlags)); 9146 9147 switch (primaryDexOptStaus) { 9148 case PackageDexOptimizer.DEX_OPT_PERFORMED: 9149 numberOfPackagesOptimized++; 9150 break; 9151 case PackageDexOptimizer.DEX_OPT_SKIPPED: 9152 numberOfPackagesSkipped++; 9153 break; 9154 case PackageDexOptimizer.DEX_OPT_FAILED: 9155 numberOfPackagesFailed++; 9156 break; 9157 default: 9158 Log.e(TAG, "Unexpected dexopt return code " + primaryDexOptStaus); 9159 break; 9160 } 9161 } 9162 9163 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 9164 numberOfPackagesFailed }; 9165 } 9166 9167 @Override 9168 public void notifyPackageUse(String packageName, int reason) { 9169 synchronized (mPackages) { 9170 final int callingUid = Binder.getCallingUid(); 9171 final int callingUserId = UserHandle.getUserId(callingUid); 9172 if (getInstantAppPackageName(callingUid) != null) { 9173 if (!isCallerSameApp(packageName, callingUid)) { 9174 return; 9175 } 9176 } else { 9177 if (isInstantApp(packageName, callingUserId)) { 9178 return; 9179 } 9180 } 9181 notifyPackageUseLocked(packageName, reason); 9182 } 9183 } 9184 9185 @GuardedBy("mPackages") 9186 private void notifyPackageUseLocked(String packageName, int reason) { 9187 final PackageParser.Package p = mPackages.get(packageName); 9188 if (p == null) { 9189 return; 9190 } 9191 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 9192 } 9193 9194 @Override 9195 public void notifyDexLoad(String loadingPackageName, List<String> classLoaderNames, 9196 List<String> classPaths, String loaderIsa) { 9197 int userId = UserHandle.getCallingUserId(); 9198 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 9199 if (ai == null) { 9200 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 9201 + loadingPackageName + ", user=" + userId); 9202 return; 9203 } 9204 mDexManager.notifyDexLoad(ai, classLoaderNames, classPaths, loaderIsa, userId); 9205 } 9206 9207 @Override 9208 public void registerDexModule(String packageName, String dexModulePath, boolean isSharedModule, 9209 IDexModuleRegisterCallback callback) { 9210 int userId = UserHandle.getCallingUserId(); 9211 ApplicationInfo ai = getApplicationInfo(packageName, /*flags*/ 0, userId); 9212 DexManager.RegisterDexModuleResult result; 9213 if (ai == null) { 9214 Slog.w(TAG, "Registering a dex module for a package that does not exist for the" + 9215 " calling user. package=" + packageName + ", user=" + userId); 9216 result = new DexManager.RegisterDexModuleResult(false, "Package not installed"); 9217 } else { 9218 result = mDexManager.registerDexModule(ai, dexModulePath, isSharedModule, userId); 9219 } 9220 9221 if (callback != null) { 9222 mHandler.post(() -> { 9223 try { 9224 callback.onDexModuleRegistered(dexModulePath, result.success, result.message); 9225 } catch (RemoteException e) { 9226 Slog.w(TAG, "Failed to callback after module registration " + dexModulePath, e); 9227 } 9228 }); 9229 } 9230 } 9231 9232 /** 9233 * Ask the package manager to perform a dex-opt with the given compiler filter. 9234 * 9235 * Note: exposed only for the shell command to allow moving packages explicitly to a 9236 * definite state. 9237 */ 9238 @Override 9239 public boolean performDexOptMode(String packageName, 9240 boolean checkProfiles, String targetCompilerFilter, boolean force, 9241 boolean bootComplete, String splitName) { 9242 int flags = (checkProfiles ? DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES : 0) | 9243 (force ? DexoptOptions.DEXOPT_FORCE : 0) | 9244 (bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0); 9245 return performDexOpt(new DexoptOptions(packageName, REASON_UNKNOWN, 9246 targetCompilerFilter, splitName, flags)); 9247 } 9248 9249 /** 9250 * Ask the package manager to perform a dex-opt with the given compiler filter on the 9251 * secondary dex files belonging to the given package. 9252 * 9253 * Note: exposed only for the shell command to allow moving packages explicitly to a 9254 * definite state. 9255 */ 9256 @Override 9257 public boolean performDexOptSecondary(String packageName, String compilerFilter, 9258 boolean force) { 9259 int flags = DexoptOptions.DEXOPT_ONLY_SECONDARY_DEX | 9260 DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES | 9261 DexoptOptions.DEXOPT_BOOT_COMPLETE | 9262 (force ? DexoptOptions.DEXOPT_FORCE : 0); 9263 return performDexOpt(new DexoptOptions(packageName, compilerFilter, flags)); 9264 } 9265 9266 /*package*/ boolean performDexOpt(DexoptOptions options) { 9267 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9268 return false; 9269 } else if (isInstantApp(options.getPackageName(), UserHandle.getCallingUserId())) { 9270 return false; 9271 } 9272 9273 if (options.isDexoptOnlySecondaryDex()) { 9274 return mDexManager.dexoptSecondaryDex(options); 9275 } else { 9276 int dexoptStatus = performDexOptWithStatus(options); 9277 return dexoptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9278 } 9279 } 9280 9281 /** 9282 * Perform dexopt on the given package and return one of following result: 9283 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 9284 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 9285 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 9286 */ 9287 /* package */ int performDexOptWithStatus(DexoptOptions options) { 9288 return performDexOptTraced(options); 9289 } 9290 9291 private int performDexOptTraced(DexoptOptions options) { 9292 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9293 try { 9294 return performDexOptInternal(options); 9295 } finally { 9296 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9297 } 9298 } 9299 9300 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 9301 // if the package can now be considered up to date for the given filter. 9302 private int performDexOptInternal(DexoptOptions options) { 9303 PackageParser.Package p; 9304 synchronized (mPackages) { 9305 p = mPackages.get(options.getPackageName()); 9306 if (p == null) { 9307 // Package could not be found. Report failure. 9308 return PackageDexOptimizer.DEX_OPT_FAILED; 9309 } 9310 mPackageUsage.maybeWriteAsync(mPackages); 9311 mCompilerStats.maybeWriteAsync(); 9312 } 9313 long callingId = Binder.clearCallingIdentity(); 9314 try { 9315 synchronized (mInstallLock) { 9316 return performDexOptInternalWithDependenciesLI(p, options); 9317 } 9318 } finally { 9319 Binder.restoreCallingIdentity(callingId); 9320 } 9321 } 9322 9323 public ArraySet<String> getOptimizablePackages() { 9324 ArraySet<String> pkgs = new ArraySet<String>(); 9325 synchronized (mPackages) { 9326 for (PackageParser.Package p : mPackages.values()) { 9327 if (PackageDexOptimizer.canOptimizePackage(p)) { 9328 pkgs.add(p.packageName); 9329 } 9330 } 9331 } 9332 return pkgs; 9333 } 9334 9335 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 9336 DexoptOptions options) { 9337 // Select the dex optimizer based on the force parameter. 9338 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 9339 // allocate an object here. 9340 PackageDexOptimizer pdo = options.isForce() 9341 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 9342 : mPackageDexOptimizer; 9343 9344 // Dexopt all dependencies first. Note: we ignore the return value and march on 9345 // on errors. 9346 // Note that we are going to call performDexOpt on those libraries as many times as 9347 // they are referenced in packages. When we do a batch of performDexOpt (for example 9348 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 9349 // and the first package that uses the library will dexopt it. The 9350 // others will see that the compiled code for the library is up to date. 9351 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 9352 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 9353 if (!deps.isEmpty()) { 9354 DexoptOptions libraryOptions = new DexoptOptions(options.getPackageName(), 9355 options.getCompilationReason(), options.getCompilerFilter(), 9356 options.getSplitName(), 9357 options.getFlags() | DexoptOptions.DEXOPT_AS_SHARED_LIBRARY); 9358 for (PackageParser.Package depPackage : deps) { 9359 // TODO: Analyze and investigate if we (should) profile libraries. 9360 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 9361 getOrCreateCompilerPackageStats(depPackage), 9362 mDexManager.getPackageUseInfoOrDefault(depPackage.packageName), libraryOptions); 9363 } 9364 } 9365 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, 9366 getOrCreateCompilerPackageStats(p), 9367 mDexManager.getPackageUseInfoOrDefault(p.packageName), options); 9368 } 9369 9370 /** 9371 * Reconcile the information we have about the secondary dex files belonging to 9372 * {@code packagName} and the actual dex files. For all dex files that were 9373 * deleted, update the internal records and delete the generated oat files. 9374 */ 9375 @Override 9376 public void reconcileSecondaryDexFiles(String packageName) { 9377 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9378 return; 9379 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9380 return; 9381 } 9382 mDexManager.reconcileSecondaryDexFiles(packageName); 9383 } 9384 9385 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 9386 // a reference there. 9387 /*package*/ DexManager getDexManager() { 9388 return mDexManager; 9389 } 9390 9391 /** 9392 * Execute the background dexopt job immediately. 9393 */ 9394 @Override 9395 public boolean runBackgroundDexoptJob(@Nullable List<String> packageNames) { 9396 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9397 return false; 9398 } 9399 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext, packageNames); 9400 } 9401 9402 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 9403 if (p.usesLibraries != null || p.usesOptionalLibraries != null 9404 || p.usesStaticLibraries != null) { 9405 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 9406 Set<String> collectedNames = new HashSet<>(); 9407 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9408 9409 retValue.remove(p); 9410 9411 return retValue; 9412 } else { 9413 return Collections.emptyList(); 9414 } 9415 } 9416 9417 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9418 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9419 if (!collectedNames.contains(p.packageName)) { 9420 collectedNames.add(p.packageName); 9421 collected.add(p); 9422 9423 if (p.usesLibraries != null) { 9424 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9425 null, collected, collectedNames); 9426 } 9427 if (p.usesOptionalLibraries != null) { 9428 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9429 null, collected, collectedNames); 9430 } 9431 if (p.usesStaticLibraries != null) { 9432 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9433 p.usesStaticLibrariesVersions, collected, collectedNames); 9434 } 9435 } 9436 } 9437 9438 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, long[] versions, 9439 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9440 final int libNameCount = libs.size(); 9441 for (int i = 0; i < libNameCount; i++) { 9442 String libName = libs.get(i); 9443 long version = (versions != null && versions.length == libNameCount) 9444 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9445 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9446 if (libPkg != null) { 9447 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9448 } 9449 } 9450 } 9451 9452 private PackageParser.Package findSharedNonSystemLibrary(String name, long version) { 9453 synchronized (mPackages) { 9454 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9455 if (libEntry != null) { 9456 return mPackages.get(libEntry.apk); 9457 } 9458 return null; 9459 } 9460 } 9461 9462 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, long version) { 9463 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9464 if (versionedLib == null) { 9465 return null; 9466 } 9467 return versionedLib.get(version); 9468 } 9469 9470 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9471 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9472 pkg.staticSharedLibName); 9473 if (versionedLib == null) { 9474 return null; 9475 } 9476 long previousLibVersion = -1; 9477 final int versionCount = versionedLib.size(); 9478 for (int i = 0; i < versionCount; i++) { 9479 final long libVersion = versionedLib.keyAt(i); 9480 if (libVersion < pkg.staticSharedLibVersion) { 9481 previousLibVersion = Math.max(previousLibVersion, libVersion); 9482 } 9483 } 9484 if (previousLibVersion >= 0) { 9485 return versionedLib.get(previousLibVersion); 9486 } 9487 return null; 9488 } 9489 9490 public void shutdown() { 9491 mPackageUsage.writeNow(mPackages); 9492 mCompilerStats.writeNow(); 9493 mDexManager.writePackageDexUsageNow(); 9494 9495 // This is the last chance to write out pending restriction settings 9496 synchronized (mPackages) { 9497 if (mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 9498 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 9499 for (int userId : mDirtyUsers) { 9500 mSettings.writePackageRestrictionsLPr(userId); 9501 } 9502 mDirtyUsers.clear(); 9503 } 9504 } 9505 } 9506 9507 @Override 9508 public void dumpProfiles(String packageName) { 9509 PackageParser.Package pkg; 9510 synchronized (mPackages) { 9511 pkg = mPackages.get(packageName); 9512 if (pkg == null) { 9513 throw new IllegalArgumentException("Unknown package: " + packageName); 9514 } 9515 } 9516 /* Only the shell, root, or the app user should be able to dump profiles. */ 9517 int callingUid = Binder.getCallingUid(); 9518 if (callingUid != Process.SHELL_UID && 9519 callingUid != Process.ROOT_UID && 9520 callingUid != pkg.applicationInfo.uid) { 9521 throw new SecurityException("dumpProfiles"); 9522 } 9523 9524 synchronized (mInstallLock) { 9525 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9526 mArtManagerService.dumpProfiles(pkg); 9527 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9528 } 9529 } 9530 9531 @Override 9532 public void forceDexOpt(String packageName) { 9533 enforceSystemOrRoot("forceDexOpt"); 9534 9535 PackageParser.Package pkg; 9536 synchronized (mPackages) { 9537 pkg = mPackages.get(packageName); 9538 if (pkg == null) { 9539 throw new IllegalArgumentException("Unknown package: " + packageName); 9540 } 9541 } 9542 9543 synchronized (mInstallLock) { 9544 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9545 9546 // Whoever is calling forceDexOpt wants a compiled package. 9547 // Don't use profiles since that may cause compilation to be skipped. 9548 final int res = performDexOptInternalWithDependenciesLI( 9549 pkg, 9550 new DexoptOptions(packageName, 9551 getDefaultCompilerFilter(), 9552 DexoptOptions.DEXOPT_FORCE | DexoptOptions.DEXOPT_BOOT_COMPLETE)); 9553 9554 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9555 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9556 throw new IllegalStateException("Failed to dexopt: " + res); 9557 } 9558 } 9559 } 9560 9561 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9562 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9563 Slog.w(TAG, "Unable to update from " + oldPkg.name 9564 + " to " + newPkg.packageName 9565 + ": old package not in system partition"); 9566 return false; 9567 } else if (mPackages.get(oldPkg.name) != null) { 9568 Slog.w(TAG, "Unable to update from " + oldPkg.name 9569 + " to " + newPkg.packageName 9570 + ": old package still exists"); 9571 return false; 9572 } 9573 return true; 9574 } 9575 9576 void removeCodePathLI(File codePath) { 9577 if (codePath.isDirectory()) { 9578 try { 9579 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9580 } catch (InstallerException e) { 9581 Slog.w(TAG, "Failed to remove code path", e); 9582 } 9583 } else { 9584 codePath.delete(); 9585 } 9586 } 9587 9588 private int[] resolveUserIds(int userId) { 9589 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9590 } 9591 9592 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9593 if (pkg == null) { 9594 Slog.wtf(TAG, "Package was null!", new Throwable()); 9595 return; 9596 } 9597 clearAppDataLeafLIF(pkg, userId, flags); 9598 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9599 for (int i = 0; i < childCount; i++) { 9600 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9601 } 9602 9603 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 9604 } 9605 9606 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9607 final PackageSetting ps; 9608 synchronized (mPackages) { 9609 ps = mSettings.mPackages.get(pkg.packageName); 9610 } 9611 for (int realUserId : resolveUserIds(userId)) { 9612 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9613 try { 9614 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9615 ceDataInode); 9616 } catch (InstallerException e) { 9617 Slog.w(TAG, String.valueOf(e)); 9618 } 9619 } 9620 } 9621 9622 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9623 if (pkg == null) { 9624 Slog.wtf(TAG, "Package was null!", new Throwable()); 9625 return; 9626 } 9627 destroyAppDataLeafLIF(pkg, userId, flags); 9628 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9629 for (int i = 0; i < childCount; i++) { 9630 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9631 } 9632 } 9633 9634 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9635 final PackageSetting ps; 9636 synchronized (mPackages) { 9637 ps = mSettings.mPackages.get(pkg.packageName); 9638 } 9639 for (int realUserId : resolveUserIds(userId)) { 9640 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9641 try { 9642 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9643 ceDataInode); 9644 } catch (InstallerException e) { 9645 Slog.w(TAG, String.valueOf(e)); 9646 } 9647 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9648 } 9649 } 9650 9651 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9652 if (pkg == null) { 9653 Slog.wtf(TAG, "Package was null!", new Throwable()); 9654 return; 9655 } 9656 destroyAppProfilesLeafLIF(pkg); 9657 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9658 for (int i = 0; i < childCount; i++) { 9659 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9660 } 9661 } 9662 9663 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9664 try { 9665 mInstaller.destroyAppProfiles(pkg.packageName); 9666 } catch (InstallerException e) { 9667 Slog.w(TAG, String.valueOf(e)); 9668 } 9669 } 9670 9671 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9672 if (pkg == null) { 9673 Slog.wtf(TAG, "Package was null!", new Throwable()); 9674 return; 9675 } 9676 mArtManagerService.clearAppProfiles(pkg); 9677 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9678 for (int i = 0; i < childCount; i++) { 9679 mArtManagerService.clearAppProfiles(pkg.childPackages.get(i)); 9680 } 9681 } 9682 9683 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9684 long lastUpdateTime) { 9685 // Set parent install/update time 9686 PackageSetting ps = (PackageSetting) pkg.mExtras; 9687 if (ps != null) { 9688 ps.firstInstallTime = firstInstallTime; 9689 ps.lastUpdateTime = lastUpdateTime; 9690 } 9691 // Set children install/update time 9692 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9693 for (int i = 0; i < childCount; i++) { 9694 PackageParser.Package childPkg = pkg.childPackages.get(i); 9695 ps = (PackageSetting) childPkg.mExtras; 9696 if (ps != null) { 9697 ps.firstInstallTime = firstInstallTime; 9698 ps.lastUpdateTime = lastUpdateTime; 9699 } 9700 } 9701 } 9702 9703 private void addSharedLibraryLPr(Set<String> usesLibraryFiles, 9704 SharedLibraryEntry file, 9705 PackageParser.Package changingLib) { 9706 if (file.path != null) { 9707 usesLibraryFiles.add(file.path); 9708 return; 9709 } 9710 PackageParser.Package p = mPackages.get(file.apk); 9711 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9712 // If we are doing this while in the middle of updating a library apk, 9713 // then we need to make sure to use that new apk for determining the 9714 // dependencies here. (We haven't yet finished committing the new apk 9715 // to the package manager state.) 9716 if (p == null || p.packageName.equals(changingLib.packageName)) { 9717 p = changingLib; 9718 } 9719 } 9720 if (p != null) { 9721 usesLibraryFiles.addAll(p.getAllCodePaths()); 9722 if (p.usesLibraryFiles != null) { 9723 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9724 } 9725 } 9726 } 9727 9728 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9729 PackageParser.Package changingLib) throws PackageManagerException { 9730 if (pkg == null) { 9731 return; 9732 } 9733 // The collection used here must maintain the order of addition (so 9734 // that libraries are searched in the correct order) and must have no 9735 // duplicates. 9736 Set<String> usesLibraryFiles = null; 9737 if (pkg.usesLibraries != null) { 9738 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9739 null, null, pkg.packageName, changingLib, true, 9740 pkg.applicationInfo.targetSdkVersion, null); 9741 } 9742 if (pkg.usesStaticLibraries != null) { 9743 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9744 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9745 pkg.packageName, changingLib, true, 9746 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9747 } 9748 if (pkg.usesOptionalLibraries != null) { 9749 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9750 null, null, pkg.packageName, changingLib, false, 9751 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9752 } 9753 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9754 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9755 } else { 9756 pkg.usesLibraryFiles = null; 9757 } 9758 } 9759 9760 private Set<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9761 @Nullable long[] requiredVersions, @Nullable String[][] requiredCertDigests, 9762 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9763 boolean required, int targetSdk, @Nullable Set<String> outUsedLibraries) 9764 throws PackageManagerException { 9765 final int libCount = requestedLibraries.size(); 9766 for (int i = 0; i < libCount; i++) { 9767 final String libName = requestedLibraries.get(i); 9768 final long libVersion = requiredVersions != null ? requiredVersions[i] 9769 : SharedLibraryInfo.VERSION_UNDEFINED; 9770 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9771 if (libEntry == null) { 9772 if (required) { 9773 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9774 "Package " + packageName + " requires unavailable shared library " 9775 + libName + "; failing!"); 9776 } else if (DEBUG_SHARED_LIBRARIES) { 9777 Slog.i(TAG, "Package " + packageName 9778 + " desires unavailable shared library " 9779 + libName + "; ignoring!"); 9780 } 9781 } else { 9782 if (requiredVersions != null && requiredCertDigests != null) { 9783 if (libEntry.info.getLongVersion() != requiredVersions[i]) { 9784 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9785 "Package " + packageName + " requires unavailable static shared" 9786 + " library " + libName + " version " 9787 + libEntry.info.getLongVersion() + "; failing!"); 9788 } 9789 9790 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9791 if (libPkg == null) { 9792 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9793 "Package " + packageName + " requires unavailable static shared" 9794 + " library; failing!"); 9795 } 9796 9797 final String[] expectedCertDigests = requiredCertDigests[i]; 9798 9799 9800 if (expectedCertDigests.length > 1) { 9801 9802 // For apps targeting O MR1 we require explicit enumeration of all certs. 9803 final String[] libCertDigests = (targetSdk >= Build.VERSION_CODES.O_MR1) 9804 ? PackageUtils.computeSignaturesSha256Digests( 9805 libPkg.mSigningDetails.signatures) 9806 : PackageUtils.computeSignaturesSha256Digests( 9807 new Signature[]{libPkg.mSigningDetails.signatures[0]}); 9808 9809 // Take a shortcut if sizes don't match. Note that if an app doesn't 9810 // target O we don't parse the "additional-certificate" tags similarly 9811 // how we only consider all certs only for apps targeting O (see above). 9812 // Therefore, the size check is safe to make. 9813 if (expectedCertDigests.length != libCertDigests.length) { 9814 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9815 "Package " + packageName + " requires differently signed" + 9816 " static shared library; failing!"); 9817 } 9818 9819 // Use a predictable order as signature order may vary 9820 Arrays.sort(libCertDigests); 9821 Arrays.sort(expectedCertDigests); 9822 9823 final int certCount = libCertDigests.length; 9824 for (int j = 0; j < certCount; j++) { 9825 if (!libCertDigests[j].equalsIgnoreCase(expectedCertDigests[j])) { 9826 throw new PackageManagerException( 9827 INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9828 "Package " + packageName + " requires differently signed" + 9829 " static shared library; failing!"); 9830 } 9831 } 9832 } else { 9833 9834 // lib signing cert could have rotated beyond the one expected, check to see 9835 // if the new one has been blessed by the old 9836 if (!libPkg.mSigningDetails.hasSha256Certificate( 9837 ByteStringUtils.fromHexToByteArray(expectedCertDigests[0]))) { 9838 throw new PackageManagerException( 9839 INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9840 "Package " + packageName + " requires differently signed" + 9841 " static shared library; failing!"); 9842 } 9843 } 9844 } 9845 9846 if (outUsedLibraries == null) { 9847 // Use LinkedHashSet to preserve the order of files added to 9848 // usesLibraryFiles while eliminating duplicates. 9849 outUsedLibraries = new LinkedHashSet<>(); 9850 } 9851 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9852 } 9853 } 9854 return outUsedLibraries; 9855 } 9856 9857 private static boolean hasString(List<String> list, List<String> which) { 9858 if (list == null) { 9859 return false; 9860 } 9861 for (int i=list.size()-1; i>=0; i--) { 9862 for (int j=which.size()-1; j>=0; j--) { 9863 if (which.get(j).equals(list.get(i))) { 9864 return true; 9865 } 9866 } 9867 } 9868 return false; 9869 } 9870 9871 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9872 PackageParser.Package changingPkg) { 9873 ArrayList<PackageParser.Package> res = null; 9874 for (PackageParser.Package pkg : mPackages.values()) { 9875 if (changingPkg != null 9876 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9877 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9878 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9879 changingPkg.staticSharedLibName)) { 9880 return null; 9881 } 9882 if (res == null) { 9883 res = new ArrayList<>(); 9884 } 9885 res.add(pkg); 9886 try { 9887 updateSharedLibrariesLPr(pkg, changingPkg); 9888 } catch (PackageManagerException e) { 9889 // If a system app update or an app and a required lib missing we 9890 // delete the package and for updated system apps keep the data as 9891 // it is better for the user to reinstall than to be in an limbo 9892 // state. Also libs disappearing under an app should never happen 9893 // - just in case. 9894 if (!pkg.isSystem() || pkg.isUpdatedSystemApp()) { 9895 final int flags = pkg.isUpdatedSystemApp() 9896 ? PackageManager.DELETE_KEEP_DATA : 0; 9897 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9898 flags , null, true, null); 9899 } 9900 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9901 } 9902 } 9903 return res; 9904 } 9905 9906 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9907 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 9908 @Nullable UserHandle user) throws PackageManagerException { 9909 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9910 // If the package has children and this is the first dive in the function 9911 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9912 // whether all packages (parent and children) would be successfully scanned 9913 // before the actual scan since scanning mutates internal state and we want 9914 // to atomically install the package and its children. 9915 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9916 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9917 scanFlags |= SCAN_CHECK_ONLY; 9918 } 9919 } else { 9920 scanFlags &= ~SCAN_CHECK_ONLY; 9921 } 9922 9923 final PackageParser.Package scannedPkg; 9924 try { 9925 // Scan the parent 9926 scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags, currentTime, user); 9927 // Scan the children 9928 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9929 for (int i = 0; i < childCount; i++) { 9930 PackageParser.Package childPkg = pkg.childPackages.get(i); 9931 scanPackageNewLI(childPkg, parseFlags, 9932 scanFlags, currentTime, user); 9933 } 9934 } finally { 9935 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9936 } 9937 9938 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9939 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 9940 } 9941 9942 return scannedPkg; 9943 } 9944 9945 /** The result of a package scan. */ 9946 private static class ScanResult { 9947 /** Whether or not the package scan was successful */ 9948 public final boolean success; 9949 /** 9950 * The final package settings. This may be the same object passed in 9951 * the {@link ScanRequest}, but, with modified values. 9952 */ 9953 @Nullable public final PackageSetting pkgSetting; 9954 /** ABI code paths that have changed in the package scan */ 9955 @Nullable public final List<String> changedAbiCodePath; 9956 public ScanResult( 9957 boolean success, 9958 @Nullable PackageSetting pkgSetting, 9959 @Nullable List<String> changedAbiCodePath) { 9960 this.success = success; 9961 this.pkgSetting = pkgSetting; 9962 this.changedAbiCodePath = changedAbiCodePath; 9963 } 9964 } 9965 9966 /** A package to be scanned */ 9967 private static class ScanRequest { 9968 /** The parsed package */ 9969 @NonNull public final PackageParser.Package pkg; 9970 /** The package this package replaces */ 9971 @Nullable public final PackageParser.Package oldPkg; 9972 /** Shared user settings, if the package has a shared user */ 9973 @Nullable public final SharedUserSetting sharedUserSetting; 9974 /** 9975 * Package settings of the currently installed version. 9976 * <p><em>IMPORTANT:</em> The contents of this object may be modified 9977 * during scan. 9978 */ 9979 @Nullable public final PackageSetting pkgSetting; 9980 /** A copy of the settings for the currently installed version */ 9981 @Nullable public final PackageSetting oldPkgSetting; 9982 /** Package settings for the disabled version on the /system partition */ 9983 @Nullable public final PackageSetting disabledPkgSetting; 9984 /** Package settings for the installed version under its original package name */ 9985 @Nullable public final PackageSetting originalPkgSetting; 9986 /** The real package name of a renamed application */ 9987 @Nullable public final String realPkgName; 9988 public final @ParseFlags int parseFlags; 9989 public final @ScanFlags int scanFlags; 9990 /** The user for which the package is being scanned */ 9991 @Nullable public final UserHandle user; 9992 /** Whether or not the platform package is being scanned */ 9993 public final boolean isPlatformPackage; 9994 public ScanRequest( 9995 @NonNull PackageParser.Package pkg, 9996 @Nullable SharedUserSetting sharedUserSetting, 9997 @Nullable PackageParser.Package oldPkg, 9998 @Nullable PackageSetting pkgSetting, 9999 @Nullable PackageSetting disabledPkgSetting, 10000 @Nullable PackageSetting originalPkgSetting, 10001 @Nullable String realPkgName, 10002 @ParseFlags int parseFlags, 10003 @ScanFlags int scanFlags, 10004 boolean isPlatformPackage, 10005 @Nullable UserHandle user) { 10006 this.pkg = pkg; 10007 this.oldPkg = oldPkg; 10008 this.pkgSetting = pkgSetting; 10009 this.sharedUserSetting = sharedUserSetting; 10010 this.oldPkgSetting = pkgSetting == null ? null : new PackageSetting(pkgSetting); 10011 this.disabledPkgSetting = disabledPkgSetting; 10012 this.originalPkgSetting = originalPkgSetting; 10013 this.realPkgName = realPkgName; 10014 this.parseFlags = parseFlags; 10015 this.scanFlags = scanFlags; 10016 this.isPlatformPackage = isPlatformPackage; 10017 this.user = user; 10018 } 10019 } 10020 10021 /** 10022 * Returns the actual scan flags depending upon the state of the other settings. 10023 * <p>Updated system applications will not have the following flags set 10024 * by default and need to be adjusted after the fact: 10025 * <ul> 10026 * <li>{@link #SCAN_AS_SYSTEM}</li> 10027 * <li>{@link #SCAN_AS_PRIVILEGED}</li> 10028 * <li>{@link #SCAN_AS_OEM}</li> 10029 * <li>{@link #SCAN_AS_VENDOR}</li> 10030 * <li>{@link #SCAN_AS_PRODUCT}</li> 10031 * <li>{@link #SCAN_AS_INSTANT_APP}</li> 10032 * <li>{@link #SCAN_AS_VIRTUAL_PRELOAD}</li> 10033 * </ul> 10034 */ 10035 private @ScanFlags int adjustScanFlags(@ScanFlags int scanFlags, 10036 PackageSetting pkgSetting, PackageSetting disabledPkgSetting, UserHandle user, 10037 PackageParser.Package pkg) { 10038 if (disabledPkgSetting != null) { 10039 // updated system application, must at least have SCAN_AS_SYSTEM 10040 scanFlags |= SCAN_AS_SYSTEM; 10041 if ((disabledPkgSetting.pkgPrivateFlags 10042 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 10043 scanFlags |= SCAN_AS_PRIVILEGED; 10044 } 10045 if ((disabledPkgSetting.pkgPrivateFlags 10046 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0) { 10047 scanFlags |= SCAN_AS_OEM; 10048 } 10049 if ((disabledPkgSetting.pkgPrivateFlags 10050 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0) { 10051 scanFlags |= SCAN_AS_VENDOR; 10052 } 10053 if ((disabledPkgSetting.pkgPrivateFlags 10054 & ApplicationInfo.PRIVATE_FLAG_PRODUCT) != 0) { 10055 scanFlags |= SCAN_AS_PRODUCT; 10056 } 10057 } 10058 if (pkgSetting != null) { 10059 final int userId = ((user == null) ? 0 : user.getIdentifier()); 10060 if (pkgSetting.getInstantApp(userId)) { 10061 scanFlags |= SCAN_AS_INSTANT_APP; 10062 } 10063 if (pkgSetting.getVirtulalPreload(userId)) { 10064 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 10065 } 10066 } 10067 10068 // Scan as privileged apps that share a user with a priv-app. 10069 final boolean skipVendorPrivilegeScan = ((scanFlags & SCAN_AS_VENDOR) != 0) 10070 && SystemProperties.getInt("ro.vndk.version", 28) < 28; 10071 if (((scanFlags & SCAN_AS_PRIVILEGED) == 0) 10072 && !pkg.isPrivileged() 10073 && (pkg.mSharedUserId != null) 10074 && !skipVendorPrivilegeScan) { 10075 SharedUserSetting sharedUserSetting = null; 10076 try { 10077 sharedUserSetting = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, false); 10078 } catch (PackageManagerException ignore) {} 10079 if (sharedUserSetting != null && sharedUserSetting.isPrivileged()) { 10080 // Exempt SharedUsers signed with the platform key. 10081 // TODO(b/72378145) Fix this exemption. Force signature apps 10082 // to whitelist their privileged permissions just like other 10083 // priv-apps. 10084 synchronized (mPackages) { 10085 PackageSetting platformPkgSetting = mSettings.mPackages.get("android"); 10086 if ((compareSignatures(platformPkgSetting.signatures.mSigningDetails.signatures, 10087 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH)) { 10088 scanFlags |= SCAN_AS_PRIVILEGED; 10089 } 10090 } 10091 } 10092 } 10093 10094 return scanFlags; 10095 } 10096 10097 // TODO: scanPackageNewLI() and scanPackageOnly() should be merged. But, first, commiting 10098 // the results / removing app data needs to be moved up a level to the callers of this 10099 // method. Also, we need to solve the problem of potentially creating a new shared user 10100 // setting. That can probably be done later and patch things up after the fact. 10101 @GuardedBy("mInstallLock") 10102 private PackageParser.Package scanPackageNewLI(@NonNull PackageParser.Package pkg, 10103 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 10104 @Nullable UserHandle user) throws PackageManagerException { 10105 10106 final String renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 10107 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 10108 if (realPkgName != null) { 10109 ensurePackageRenamed(pkg, renamedPkgName); 10110 } 10111 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 10112 final PackageSetting pkgSetting = mSettings.getPackageLPr(pkg.packageName); 10113 final PackageSetting disabledPkgSetting = 10114 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 10115 10116 if (mTransferedPackages.contains(pkg.packageName)) { 10117 Slog.w(TAG, "Package " + pkg.packageName 10118 + " was transferred to another, but its .apk remains"); 10119 } 10120 10121 scanFlags = adjustScanFlags(scanFlags, pkgSetting, disabledPkgSetting, user, pkg); 10122 synchronized (mPackages) { 10123 applyPolicy(pkg, parseFlags, scanFlags, mPlatformPackage); 10124 assertPackageIsValid(pkg, parseFlags, scanFlags); 10125 10126 SharedUserSetting sharedUserSetting = null; 10127 if (pkg.mSharedUserId != null) { 10128 // SIDE EFFECTS; may potentially allocate a new shared user 10129 sharedUserSetting = mSettings.getSharedUserLPw( 10130 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 10131 if (DEBUG_PACKAGE_SCANNING) { 10132 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 10133 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 10134 + " (uid=" + sharedUserSetting.userId + "):" 10135 + " packages=" + sharedUserSetting.packages); 10136 } 10137 } 10138 10139 boolean scanSucceeded = false; 10140 try { 10141 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, 10142 pkgSetting == null ? null : pkgSetting.pkg, pkgSetting, disabledPkgSetting, 10143 originalPkgSetting, realPkgName, parseFlags, scanFlags, 10144 (pkg == mPlatformPackage), user); 10145 final ScanResult result = scanPackageOnlyLI(request, mFactoryTest, currentTime); 10146 if (result.success) { 10147 commitScanResultsLocked(request, result); 10148 } 10149 scanSucceeded = true; 10150 } finally { 10151 if (!scanSucceeded && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 10152 // DELETE_DATA_ON_FAILURES is only used by frozen paths 10153 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 10154 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 10155 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 10156 } 10157 } 10158 } 10159 return pkg; 10160 } 10161 10162 /** 10163 * Commits the package scan and modifies system state. 10164 * <p><em>WARNING:</em> The method may throw an excpetion in the middle 10165 * of committing the package, leaving the system in an inconsistent state. 10166 * This needs to be fixed so, once we get to this point, no errors are 10167 * possible and the system is not left in an inconsistent state. 10168 */ 10169 @GuardedBy("mPackages") 10170 private void commitScanResultsLocked(@NonNull ScanRequest request, @NonNull ScanResult result) 10171 throws PackageManagerException { 10172 final PackageParser.Package pkg = request.pkg; 10173 final PackageParser.Package oldPkg = request.oldPkg; 10174 final @ParseFlags int parseFlags = request.parseFlags; 10175 final @ScanFlags int scanFlags = request.scanFlags; 10176 final PackageSetting oldPkgSetting = request.oldPkgSetting; 10177 final PackageSetting originalPkgSetting = request.originalPkgSetting; 10178 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 10179 final UserHandle user = request.user; 10180 final String realPkgName = request.realPkgName; 10181 final PackageSetting pkgSetting = result.pkgSetting; 10182 final List<String> changedAbiCodePath = result.changedAbiCodePath; 10183 final boolean newPkgSettingCreated = (result.pkgSetting != request.pkgSetting); 10184 10185 if (newPkgSettingCreated) { 10186 if (originalPkgSetting != null) { 10187 mSettings.addRenamedPackageLPw(pkg.packageName, originalPkgSetting.name); 10188 } 10189 // THROWS: when we can't allocate a user id. add call to check if there's 10190 // enough space to ensure we won't throw; otherwise, don't modify state 10191 mSettings.addUserToSettingLPw(pkgSetting); 10192 10193 if (originalPkgSetting != null && (scanFlags & SCAN_CHECK_ONLY) == 0) { 10194 mTransferedPackages.add(originalPkgSetting.name); 10195 } 10196 } 10197 // TODO(toddke): Consider a method specifically for modifying the Package object 10198 // post scan; or, moving this stuff out of the Package object since it has nothing 10199 // to do with the package on disk. 10200 // We need to have this here because addUserToSettingLPw() is sometimes responsible 10201 // for creating the application ID. If we did this earlier, we would be saving the 10202 // correct ID. 10203 pkg.applicationInfo.uid = pkgSetting.appId; 10204 10205 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 10206 10207 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realPkgName != null) { 10208 mTransferedPackages.add(pkg.packageName); 10209 } 10210 10211 // THROWS: when requested libraries that can't be found. it only changes 10212 // the state of the passed in pkg object, so, move to the top of the method 10213 // and allow it to abort 10214 if ((scanFlags & SCAN_BOOTING) == 0 10215 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10216 // Check all shared libraries and map to their actual file path. 10217 // We only do this here for apps not on a system dir, because those 10218 // are the only ones that can fail an install due to this. We 10219 // will take care of the system apps by updating all of their 10220 // library paths after the scan is done. Also during the initial 10221 // scan don't update any libs as we do this wholesale after all 10222 // apps are scanned to avoid dependency based scanning. 10223 updateSharedLibrariesLPr(pkg, null); 10224 } 10225 10226 // All versions of a static shared library are referenced with the same 10227 // package name. Internally, we use a synthetic package name to allow 10228 // multiple versions of the same shared library to be installed. So, 10229 // we need to generate the synthetic package name of the latest shared 10230 // library in order to compare signatures. 10231 PackageSetting signatureCheckPs = pkgSetting; 10232 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10233 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 10234 if (libraryEntry != null) { 10235 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 10236 } 10237 } 10238 10239 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10240 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 10241 if (ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 10242 // We just determined the app is signed correctly, so bring 10243 // over the latest parsed certs. 10244 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10245 } else { 10246 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10247 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10248 "Package " + pkg.packageName + " upgrade keys do not match the " 10249 + "previously installed version"); 10250 } else { 10251 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10252 String msg = "System package " + pkg.packageName 10253 + " signature changed; retaining data."; 10254 reportSettingsProblem(Log.WARN, msg); 10255 } 10256 } 10257 } else { 10258 try { 10259 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 10260 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 10261 final boolean compatMatch = verifySignatures(signatureCheckPs, disabledPkgSetting, 10262 pkg.mSigningDetails, compareCompat, compareRecover); 10263 // The new KeySets will be re-added later in the scanning process. 10264 if (compatMatch) { 10265 synchronized (mPackages) { 10266 ksms.removeAppKeySetDataLPw(pkg.packageName); 10267 } 10268 } 10269 // We just determined the app is signed correctly, so bring 10270 // over the latest parsed certs. 10271 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10272 10273 10274 // if this is is a sharedUser, check to see if the new package is signed by a newer 10275 // signing certificate than the existing one, and if so, copy over the new details 10276 if (signatureCheckPs.sharedUser != null) { 10277 if (pkg.mSigningDetails.hasAncestor( 10278 signatureCheckPs.sharedUser.signatures.mSigningDetails)) { 10279 signatureCheckPs.sharedUser.signatures.mSigningDetails = pkg.mSigningDetails; 10280 } 10281 if (signatureCheckPs.sharedUser.signaturesChanged == null) { 10282 signatureCheckPs.sharedUser.signaturesChanged = Boolean.FALSE; 10283 } 10284 } 10285 } catch (PackageManagerException e) { 10286 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10287 throw e; 10288 } 10289 // The signature has changed, but this package is in the system 10290 // image... let's recover! 10291 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10292 10293 // If the system app is part of a shared user we allow that shared user to change 10294 // signatures as well as part of an OTA. We still need to verify that the signatures 10295 // are consistent within the shared user for a given boot, so only allow updating 10296 // the signatures on the first package scanned for the shared user (i.e. if the 10297 // signaturesChanged state hasn't been initialized yet in SharedUserSetting). 10298 if (signatureCheckPs.sharedUser != null) { 10299 if (signatureCheckPs.sharedUser.signaturesChanged != null && 10300 compareSignatures( 10301 signatureCheckPs.sharedUser.signatures.mSigningDetails.signatures, 10302 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH) { 10303 throw new PackageManagerException( 10304 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10305 "Signature mismatch for shared user: " + pkgSetting.sharedUser); 10306 } 10307 10308 signatureCheckPs.sharedUser.signatures.mSigningDetails = pkg.mSigningDetails; 10309 signatureCheckPs.sharedUser.signaturesChanged = Boolean.TRUE; 10310 } 10311 // File a report about this. 10312 String msg = "System package " + pkg.packageName 10313 + " signature changed; retaining data."; 10314 reportSettingsProblem(Log.WARN, msg); 10315 } catch (IllegalArgumentException e) { 10316 10317 // should never happen: certs matched when checking, but not when comparing 10318 // old to new for sharedUser 10319 throw new PackageManagerException(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10320 "Signing certificates comparison made on incomparable signing details" 10321 + " but somehow passed verifySignatures!"); 10322 } 10323 } 10324 10325 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 10326 // This package wants to adopt ownership of permissions from 10327 // another package. 10328 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 10329 final String origName = pkg.mAdoptPermissions.get(i); 10330 final PackageSetting orig = mSettings.getPackageLPr(origName); 10331 if (orig != null) { 10332 if (verifyPackageUpdateLPr(orig, pkg)) { 10333 Slog.i(TAG, "Adopting permissions from " + origName + " to " 10334 + pkg.packageName); 10335 mSettings.mPermissions.transferPermissions(origName, pkg.packageName); 10336 } 10337 } 10338 } 10339 } 10340 10341 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 10342 for (int i = changedAbiCodePath.size() - 1; i >= 0; --i) { 10343 final String codePathString = changedAbiCodePath.get(i); 10344 try { 10345 mInstaller.rmdex(codePathString, 10346 getDexCodeInstructionSet(getPreferredInstructionSet())); 10347 } catch (InstallerException ignored) { 10348 } 10349 } 10350 } 10351 10352 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10353 if (oldPkgSetting != null) { 10354 synchronized (mPackages) { 10355 mSettings.mPackages.put(oldPkgSetting.name, oldPkgSetting); 10356 } 10357 } 10358 } else { 10359 final int userId = user == null ? 0 : user.getIdentifier(); 10360 // Modify state for the given package setting 10361 commitPackageSettings(pkg, oldPkg, pkgSetting, user, scanFlags, 10362 (parseFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10363 if (pkgSetting.getInstantApp(userId)) { 10364 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10365 } 10366 } 10367 } 10368 10369 /** 10370 * Returns the "real" name of the package. 10371 * <p>This may differ from the package's actual name if the application has already 10372 * been installed under one of this package's original names. 10373 */ 10374 private static @Nullable String getRealPackageName(@NonNull PackageParser.Package pkg, 10375 @Nullable String renamedPkgName) { 10376 if (isPackageRenamed(pkg, renamedPkgName)) { 10377 return pkg.mRealPackage; 10378 } 10379 return null; 10380 } 10381 10382 /** Returns {@code true} if the package has been renamed. Otherwise, {@code false}. */ 10383 private static boolean isPackageRenamed(@NonNull PackageParser.Package pkg, 10384 @Nullable String renamedPkgName) { 10385 return pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(renamedPkgName); 10386 } 10387 10388 /** 10389 * Returns the original package setting. 10390 * <p>A package can migrate its name during an update. In this scenario, a package 10391 * designates a set of names that it considers as one of its original names. 10392 * <p>An original package must be signed identically and it must have the same 10393 * shared user [if any]. 10394 */ 10395 @GuardedBy("mPackages") 10396 private @Nullable PackageSetting getOriginalPackageLocked(@NonNull PackageParser.Package pkg, 10397 @Nullable String renamedPkgName) { 10398 if (!isPackageRenamed(pkg, renamedPkgName)) { 10399 return null; 10400 } 10401 for (int i = pkg.mOriginalPackages.size() - 1; i >= 0; --i) { 10402 final PackageSetting originalPs = 10403 mSettings.getPackageLPr(pkg.mOriginalPackages.get(i)); 10404 if (originalPs != null) { 10405 // the package is already installed under its original name... 10406 // but, should we use it? 10407 if (!verifyPackageUpdateLPr(originalPs, pkg)) { 10408 // the new package is incompatible with the original 10409 continue; 10410 } else if (originalPs.sharedUser != null) { 10411 if (!originalPs.sharedUser.name.equals(pkg.mSharedUserId)) { 10412 // the shared user id is incompatible with the original 10413 Slog.w(TAG, "Unable to migrate data from " + originalPs.name 10414 + " to " + pkg.packageName + ": old uid " 10415 + originalPs.sharedUser.name 10416 + " differs from " + pkg.mSharedUserId); 10417 continue; 10418 } 10419 // TODO: Add case when shared user id is added [b/28144775] 10420 } else { 10421 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 10422 + pkg.packageName + " to old name " + originalPs.name); 10423 } 10424 return originalPs; 10425 } 10426 } 10427 return null; 10428 } 10429 10430 /** 10431 * Renames the package if it was installed under a different name. 10432 * <p>When we've already installed the package under an original name, update 10433 * the new package so we can continue to have the old name. 10434 */ 10435 private static void ensurePackageRenamed(@NonNull PackageParser.Package pkg, 10436 @NonNull String renamedPackageName) { 10437 if (pkg.mOriginalPackages == null 10438 || !pkg.mOriginalPackages.contains(renamedPackageName) 10439 || pkg.packageName.equals(renamedPackageName)) { 10440 return; 10441 } 10442 pkg.setPackageName(renamedPackageName); 10443 } 10444 10445 /** 10446 * Just scans the package without any side effects. 10447 * <p>Not entirely true at the moment. There is still one side effect -- this 10448 * method potentially modifies a live {@link PackageSetting} object representing 10449 * the package being scanned. This will be resolved in the future. 10450 * 10451 * @param request Information about the package to be scanned 10452 * @param isUnderFactoryTest Whether or not the device is under factory test 10453 * @param currentTime The current time, in millis 10454 * @return The results of the scan 10455 */ 10456 @GuardedBy("mInstallLock") 10457 private static @NonNull ScanResult scanPackageOnlyLI(@NonNull ScanRequest request, 10458 boolean isUnderFactoryTest, long currentTime) 10459 throws PackageManagerException { 10460 final PackageParser.Package pkg = request.pkg; 10461 PackageSetting pkgSetting = request.pkgSetting; 10462 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 10463 final PackageSetting originalPkgSetting = request.originalPkgSetting; 10464 final @ParseFlags int parseFlags = request.parseFlags; 10465 final @ScanFlags int scanFlags = request.scanFlags; 10466 final String realPkgName = request.realPkgName; 10467 final SharedUserSetting sharedUserSetting = request.sharedUserSetting; 10468 final UserHandle user = request.user; 10469 final boolean isPlatformPackage = request.isPlatformPackage; 10470 10471 List<String> changedAbiCodePath = null; 10472 10473 if (DEBUG_PACKAGE_SCANNING) { 10474 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 10475 Log.d(TAG, "Scanning package " + pkg.packageName); 10476 } 10477 10478 DexManager.maybeLogUnexpectedPackageDetails(pkg); 10479 10480 // Initialize package source and resource directories 10481 final File scanFile = new File(pkg.codePath); 10482 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 10483 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 10484 10485 // We keep references to the derived CPU Abis from settings in oder to reuse 10486 // them in the case where we're not upgrading or booting for the first time. 10487 String primaryCpuAbiFromSettings = null; 10488 String secondaryCpuAbiFromSettings = null; 10489 boolean needToDeriveAbi = (scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0; 10490 10491 if (!needToDeriveAbi) { 10492 if (pkgSetting != null) { 10493 primaryCpuAbiFromSettings = pkgSetting.primaryCpuAbiString; 10494 secondaryCpuAbiFromSettings = pkgSetting.secondaryCpuAbiString; 10495 } else { 10496 // Re-scanning a system package after uninstalling updates; need to derive ABI 10497 needToDeriveAbi = true; 10498 } 10499 } 10500 10501 if (pkgSetting != null && pkgSetting.sharedUser != sharedUserSetting) { 10502 PackageManagerService.reportSettingsProblem(Log.WARN, 10503 "Package " + pkg.packageName + " shared user changed from " 10504 + (pkgSetting.sharedUser != null 10505 ? pkgSetting.sharedUser.name : "<nothing>") 10506 + " to " 10507 + (sharedUserSetting != null ? sharedUserSetting.name : "<nothing>") 10508 + "; replacing with new"); 10509 pkgSetting = null; 10510 } 10511 10512 String[] usesStaticLibraries = null; 10513 if (pkg.usesStaticLibraries != null) { 10514 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 10515 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 10516 } 10517 final boolean createNewPackage = (pkgSetting == null); 10518 if (createNewPackage) { 10519 final String parentPackageName = (pkg.parentPackage != null) 10520 ? pkg.parentPackage.packageName : null; 10521 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10522 final boolean virtualPreload = (scanFlags & SCAN_AS_VIRTUAL_PRELOAD) != 0; 10523 // REMOVE SharedUserSetting from method; update in a separate call 10524 pkgSetting = Settings.createNewSetting(pkg.packageName, originalPkgSetting, 10525 disabledPkgSetting, realPkgName, sharedUserSetting, destCodeFile, 10526 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 10527 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10528 pkg.mVersionCode, pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10529 user, true /*allowInstall*/, instantApp, virtualPreload, 10530 parentPackageName, pkg.getChildPackageNames(), 10531 UserManagerService.getInstance(), usesStaticLibraries, 10532 pkg.usesStaticLibrariesVersions); 10533 } else { 10534 // REMOVE SharedUserSetting from method; update in a separate call. 10535 // 10536 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 10537 // secondaryCpuAbi are not known at this point so we always update them 10538 // to null here, only to reset them at a later point. 10539 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, sharedUserSetting, 10540 destCodeFile, destResourceFile, pkg.applicationInfo.nativeLibraryDir, 10541 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10542 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10543 pkg.getChildPackageNames(), UserManagerService.getInstance(), 10544 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 10545 } 10546 if (createNewPackage && originalPkgSetting != null) { 10547 // This is the initial transition from the original package, so, 10548 // fix up the new package's name now. We must do this after looking 10549 // up the package under its new name, so getPackageLP takes care of 10550 // fiddling things correctly. 10551 pkg.setPackageName(originalPkgSetting.name); 10552 10553 // File a report about this. 10554 String msg = "New package " + pkgSetting.realName 10555 + " renamed to replace old package " + pkgSetting.name; 10556 reportSettingsProblem(Log.WARN, msg); 10557 } 10558 10559 final int userId = (user == null ? UserHandle.USER_SYSTEM : user.getIdentifier()); 10560 // for existing packages, change the install state; but, only if it's explicitly specified 10561 if (!createNewPackage) { 10562 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10563 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 10564 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 10565 } 10566 10567 if (disabledPkgSetting != null) { 10568 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10569 } 10570 10571 // Apps which share a sharedUserId must be placed in the same selinux domain. If this 10572 // package is the first app installed as this shared user, set seInfoTargetSdkVersion to its 10573 // targetSdkVersion. These are later adjusted in PackageManagerService's constructor to be 10574 // the lowest targetSdkVersion of all apps within the shared user, which corresponds to the 10575 // least restrictive selinux domain. 10576 // NOTE: As new packages are installed / updated, the shared user's seinfoTargetSdkVersion 10577 // will NOT be modified until next boot, even if a lower targetSdkVersion is used. This 10578 // ensures that all packages continue to run in the same selinux domain. 10579 final int targetSdkVersion = 10580 ((sharedUserSetting != null) && (sharedUserSetting.packages.size() != 0)) ? 10581 sharedUserSetting.seInfoTargetSdkVersion : pkg.applicationInfo.targetSdkVersion; 10582 // TODO(b/71593002): isPrivileged for sharedUser and appInfo should never be out of sync. 10583 // They currently can be if the sharedUser apps are signed with the platform key. 10584 final boolean isPrivileged = (sharedUserSetting != null) ? 10585 sharedUserSetting.isPrivileged() | pkg.isPrivileged() : pkg.isPrivileged(); 10586 10587 pkg.applicationInfo.seInfo = SELinuxMMAC.getSeInfo(pkg, isPrivileged, 10588 pkg.applicationInfo.targetSandboxVersion, targetSdkVersion); 10589 pkg.applicationInfo.seInfoUser = SELinuxUtil.assignSeinfoUser(pkgSetting.readUserState( 10590 userId == UserHandle.USER_ALL ? UserHandle.USER_SYSTEM : userId)); 10591 10592 pkg.mExtras = pkgSetting; 10593 pkg.applicationInfo.processName = fixProcessName( 10594 pkg.applicationInfo.packageName, 10595 pkg.applicationInfo.processName); 10596 10597 if (!isPlatformPackage) { 10598 // Get all of our default paths setup 10599 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 10600 } 10601 10602 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 10603 10604 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 10605 if (needToDeriveAbi) { 10606 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 10607 final boolean extractNativeLibs = !pkg.isLibrary(); 10608 derivePackageAbi(pkg, cpuAbiOverride, extractNativeLibs); 10609 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10610 10611 // Some system apps still use directory structure for native libraries 10612 // in which case we might end up not detecting abi solely based on apk 10613 // structure. Try to detect abi based on directory structure. 10614 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 10615 pkg.applicationInfo.primaryCpuAbi == null) { 10616 setBundledAppAbisAndRoots(pkg, pkgSetting); 10617 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10618 } 10619 } else { 10620 // This is not a first boot or an upgrade, don't bother deriving the 10621 // ABI during the scan. Instead, trust the value that was stored in the 10622 // package setting. 10623 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 10624 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 10625 10626 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10627 10628 if (DEBUG_ABI_SELECTION) { 10629 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 10630 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 10631 pkg.applicationInfo.secondaryCpuAbi); 10632 } 10633 } 10634 } else { 10635 if ((scanFlags & SCAN_MOVE) != 0) { 10636 // We haven't run dex-opt for this move (since we've moved the compiled output too) 10637 // but we already have this packages package info in the PackageSetting. We just 10638 // use that and derive the native library path based on the new codepath. 10639 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 10640 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 10641 } 10642 10643 // Set native library paths again. For moves, the path will be updated based on the 10644 // ABIs we've determined above. For non-moves, the path will be updated based on the 10645 // ABIs we determined during compilation, but the path will depend on the final 10646 // package path (after the rename away from the stage path). 10647 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10648 } 10649 10650 // This is a special case for the "system" package, where the ABI is 10651 // dictated by the zygote configuration (and init.rc). We should keep track 10652 // of this ABI so that we can deal with "normal" applications that run under 10653 // the same UID correctly. 10654 if (isPlatformPackage) { 10655 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 10656 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 10657 } 10658 10659 // If there's a mismatch between the abi-override in the package setting 10660 // and the abiOverride specified for the install. Warn about this because we 10661 // would've already compiled the app without taking the package setting into 10662 // account. 10663 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 10664 if (cpuAbiOverride == null && pkg.packageName != null) { 10665 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 10666 " for package " + pkg.packageName); 10667 } 10668 } 10669 10670 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10671 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10672 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 10673 10674 // Copy the derived override back to the parsed package, so that we can 10675 // update the package settings accordingly. 10676 pkg.cpuAbiOverride = cpuAbiOverride; 10677 10678 if (DEBUG_ABI_SELECTION) { 10679 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.packageName 10680 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 10681 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 10682 } 10683 10684 // Push the derived path down into PackageSettings so we know what to 10685 // clean up at uninstall time. 10686 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10687 10688 if (DEBUG_ABI_SELECTION) { 10689 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10690 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10691 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10692 } 10693 10694 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10695 // We don't do this here during boot because we can do it all 10696 // at once after scanning all existing packages. 10697 // 10698 // We also do this *before* we perform dexopt on this package, so that 10699 // we can avoid redundant dexopts, and also to make sure we've got the 10700 // code and package path correct. 10701 changedAbiCodePath = 10702 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10703 } 10704 10705 if (isUnderFactoryTest && pkg.requestedPermissions.contains( 10706 android.Manifest.permission.FACTORY_TEST)) { 10707 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10708 } 10709 10710 if (isSystemApp(pkg)) { 10711 pkgSetting.isOrphaned = true; 10712 } 10713 10714 // Take care of first install / last update times. 10715 final long scanFileTime = getLastModifiedTime(pkg); 10716 if (currentTime != 0) { 10717 if (pkgSetting.firstInstallTime == 0) { 10718 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10719 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10720 pkgSetting.lastUpdateTime = currentTime; 10721 } 10722 } else if (pkgSetting.firstInstallTime == 0) { 10723 // We need *something*. Take time time stamp of the file. 10724 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10725 } else if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10726 if (scanFileTime != pkgSetting.timeStamp) { 10727 // A package on the system image has changed; consider this 10728 // to be an update. 10729 pkgSetting.lastUpdateTime = scanFileTime; 10730 } 10731 } 10732 pkgSetting.setTimeStamp(scanFileTime); 10733 10734 pkgSetting.pkg = pkg; 10735 pkgSetting.pkgFlags = pkg.applicationInfo.flags; 10736 if (pkg.getLongVersionCode() != pkgSetting.versionCode) { 10737 pkgSetting.versionCode = pkg.getLongVersionCode(); 10738 } 10739 // Update volume if needed 10740 final String volumeUuid = pkg.applicationInfo.volumeUuid; 10741 if (!Objects.equals(volumeUuid, pkgSetting.volumeUuid)) { 10742 Slog.i(PackageManagerService.TAG, 10743 "Update" + (pkgSetting.isSystem() ? " system" : "") 10744 + " package " + pkg.packageName 10745 + " volume from " + pkgSetting.volumeUuid 10746 + " to " + volumeUuid); 10747 pkgSetting.volumeUuid = volumeUuid; 10748 } 10749 10750 return new ScanResult(true, pkgSetting, changedAbiCodePath); 10751 } 10752 10753 /** 10754 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 10755 */ 10756 private static boolean apkHasCode(String fileName) { 10757 StrictJarFile jarFile = null; 10758 try { 10759 jarFile = new StrictJarFile(fileName, 10760 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 10761 return jarFile.findEntry("classes.dex") != null; 10762 } catch (IOException ignore) { 10763 } finally { 10764 try { 10765 if (jarFile != null) { 10766 jarFile.close(); 10767 } 10768 } catch (IOException ignore) {} 10769 } 10770 return false; 10771 } 10772 10773 /** 10774 * Enforces code policy for the package. This ensures that if an APK has 10775 * declared hasCode="true" in its manifest that the APK actually contains 10776 * code. 10777 * 10778 * @throws PackageManagerException If bytecode could not be found when it should exist 10779 */ 10780 private static void assertCodePolicy(PackageParser.Package pkg) 10781 throws PackageManagerException { 10782 final boolean shouldHaveCode = 10783 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 10784 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 10785 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10786 "Package " + pkg.baseCodePath + " code is missing"); 10787 } 10788 10789 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 10790 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 10791 final boolean splitShouldHaveCode = 10792 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 10793 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 10794 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10795 "Package " + pkg.splitCodePaths[i] + " code is missing"); 10796 } 10797 } 10798 } 10799 } 10800 10801 /** 10802 * Applies policy to the parsed package based upon the given policy flags. 10803 * Ensures the package is in a good state. 10804 * <p> 10805 * Implementation detail: This method must NOT have any side effect. It would 10806 * ideally be static, but, it requires locks to read system state. 10807 */ 10808 private static void applyPolicy(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10809 final @ScanFlags int scanFlags, PackageParser.Package platformPkg) { 10810 if ((scanFlags & SCAN_AS_SYSTEM) != 0) { 10811 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10812 if (pkg.applicationInfo.isDirectBootAware()) { 10813 // we're direct boot aware; set for all components 10814 for (PackageParser.Service s : pkg.services) { 10815 s.info.encryptionAware = s.info.directBootAware = true; 10816 } 10817 for (PackageParser.Provider p : pkg.providers) { 10818 p.info.encryptionAware = p.info.directBootAware = true; 10819 } 10820 for (PackageParser.Activity a : pkg.activities) { 10821 a.info.encryptionAware = a.info.directBootAware = true; 10822 } 10823 for (PackageParser.Activity r : pkg.receivers) { 10824 r.info.encryptionAware = r.info.directBootAware = true; 10825 } 10826 } 10827 if (compressedFileExists(pkg.codePath)) { 10828 pkg.isStub = true; 10829 } 10830 } else { 10831 // non system apps can't be flagged as core 10832 pkg.coreApp = false; 10833 // clear flags not applicable to regular apps 10834 pkg.applicationInfo.flags &= 10835 ~ApplicationInfo.FLAG_PERSISTENT; 10836 pkg.applicationInfo.privateFlags &= 10837 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10838 pkg.applicationInfo.privateFlags &= 10839 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10840 // cap permission priorities 10841 if (pkg.permissionGroups != null && pkg.permissionGroups.size() > 0) { 10842 for (int i = pkg.permissionGroups.size() - 1; i >= 0; --i) { 10843 pkg.permissionGroups.get(i).info.priority = 0; 10844 } 10845 } 10846 } 10847 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 10848 // clear protected broadcasts 10849 pkg.protectedBroadcasts = null; 10850 // ignore export request for single user receivers 10851 if (pkg.receivers != null) { 10852 for (int i = pkg.receivers.size() - 1; i >= 0; --i) { 10853 final PackageParser.Activity receiver = pkg.receivers.get(i); 10854 if ((receiver.info.flags & ActivityInfo.FLAG_SINGLE_USER) != 0) { 10855 receiver.info.exported = false; 10856 } 10857 } 10858 } 10859 // ignore export request for single user services 10860 if (pkg.services != null) { 10861 for (int i = pkg.services.size() - 1; i >= 0; --i) { 10862 final PackageParser.Service service = pkg.services.get(i); 10863 if ((service.info.flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 10864 service.info.exported = false; 10865 } 10866 } 10867 } 10868 // ignore export request for single user providers 10869 if (pkg.providers != null) { 10870 for (int i = pkg.providers.size() - 1; i >= 0; --i) { 10871 final PackageParser.Provider provider = pkg.providers.get(i); 10872 if ((provider.info.flags & ProviderInfo.FLAG_SINGLE_USER) != 0) { 10873 provider.info.exported = false; 10874 } 10875 } 10876 } 10877 } 10878 10879 if ((scanFlags & SCAN_AS_PRIVILEGED) != 0) { 10880 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10881 } 10882 10883 if ((scanFlags & SCAN_AS_OEM) != 0) { 10884 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_OEM; 10885 } 10886 10887 if ((scanFlags & SCAN_AS_VENDOR) != 0) { 10888 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_VENDOR; 10889 } 10890 10891 if ((scanFlags & SCAN_AS_PRODUCT) != 0) { 10892 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRODUCT; 10893 } 10894 10895 // Check if the package is signed with the same key as the platform package. 10896 if (PLATFORM_PACKAGE_NAME.equals(pkg.packageName) || 10897 (platformPkg != null && compareSignatures( 10898 platformPkg.mSigningDetails.signatures, 10899 pkg.mSigningDetails.signatures) == PackageManager.SIGNATURE_MATCH)) { 10900 pkg.applicationInfo.privateFlags |= 10901 ApplicationInfo.PRIVATE_FLAG_SIGNED_WITH_PLATFORM_KEY; 10902 } 10903 10904 if (!isSystemApp(pkg)) { 10905 // Only system apps can use these features. 10906 pkg.mOriginalPackages = null; 10907 pkg.mRealPackage = null; 10908 pkg.mAdoptPermissions = null; 10909 } 10910 } 10911 10912 private static @NonNull <T> T assertNotNull(@Nullable T object, String message) 10913 throws PackageManagerException { 10914 if (object == null) { 10915 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, message); 10916 } 10917 return object; 10918 } 10919 10920 /** 10921 * Asserts the parsed package is valid according to the given policy. If the 10922 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10923 * <p> 10924 * Implementation detail: This method must NOT have any side effects. It would 10925 * ideally be static, but, it requires locks to read system state. 10926 * 10927 * @throws PackageManagerException If the package fails any of the validation checks 10928 */ 10929 private void assertPackageIsValid(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10930 final @ScanFlags int scanFlags) 10931 throws PackageManagerException { 10932 if ((parseFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10933 assertCodePolicy(pkg); 10934 } 10935 10936 if (pkg.applicationInfo.getCodePath() == null || 10937 pkg.applicationInfo.getResourcePath() == null) { 10938 // Bail out. The resource and code paths haven't been set. 10939 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10940 "Code and resource paths haven't been set correctly"); 10941 } 10942 10943 // Make sure we're not adding any bogus keyset info 10944 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10945 ksms.assertScannedPackageValid(pkg); 10946 10947 synchronized (mPackages) { 10948 // The special "android" package can only be defined once 10949 if (pkg.packageName.equals("android")) { 10950 if (mAndroidApplication != null) { 10951 Slog.w(TAG, "*************************************************"); 10952 Slog.w(TAG, "Core android package being redefined. Skipping."); 10953 Slog.w(TAG, " codePath=" + pkg.codePath); 10954 Slog.w(TAG, "*************************************************"); 10955 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10956 "Core android package being redefined. Skipping."); 10957 } 10958 } 10959 10960 // A package name must be unique; don't allow duplicates 10961 if (mPackages.containsKey(pkg.packageName)) { 10962 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10963 "Application package " + pkg.packageName 10964 + " already installed. Skipping duplicate."); 10965 } 10966 10967 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10968 // Static libs have a synthetic package name containing the version 10969 // but we still want the base name to be unique. 10970 if (mPackages.containsKey(pkg.manifestPackageName)) { 10971 throw new PackageManagerException( 10972 "Duplicate static shared lib provider package"); 10973 } 10974 10975 // Static shared libraries should have at least O target SDK 10976 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10977 throw new PackageManagerException( 10978 "Packages declaring static-shared libs must target O SDK or higher"); 10979 } 10980 10981 // Package declaring static a shared lib cannot be instant apps 10982 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10983 throw new PackageManagerException( 10984 "Packages declaring static-shared libs cannot be instant apps"); 10985 } 10986 10987 // Package declaring static a shared lib cannot be renamed since the package 10988 // name is synthetic and apps can't code around package manager internals. 10989 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10990 throw new PackageManagerException( 10991 "Packages declaring static-shared libs cannot be renamed"); 10992 } 10993 10994 // Package declaring static a shared lib cannot declare child packages 10995 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10996 throw new PackageManagerException( 10997 "Packages declaring static-shared libs cannot have child packages"); 10998 } 10999 11000 // Package declaring static a shared lib cannot declare dynamic libs 11001 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 11002 throw new PackageManagerException( 11003 "Packages declaring static-shared libs cannot declare dynamic libs"); 11004 } 11005 11006 // Package declaring static a shared lib cannot declare shared users 11007 if (pkg.mSharedUserId != null) { 11008 throw new PackageManagerException( 11009 "Packages declaring static-shared libs cannot declare shared users"); 11010 } 11011 11012 // Static shared libs cannot declare activities 11013 if (!pkg.activities.isEmpty()) { 11014 throw new PackageManagerException( 11015 "Static shared libs cannot declare activities"); 11016 } 11017 11018 // Static shared libs cannot declare services 11019 if (!pkg.services.isEmpty()) { 11020 throw new PackageManagerException( 11021 "Static shared libs cannot declare services"); 11022 } 11023 11024 // Static shared libs cannot declare providers 11025 if (!pkg.providers.isEmpty()) { 11026 throw new PackageManagerException( 11027 "Static shared libs cannot declare content providers"); 11028 } 11029 11030 // Static shared libs cannot declare receivers 11031 if (!pkg.receivers.isEmpty()) { 11032 throw new PackageManagerException( 11033 "Static shared libs cannot declare broadcast receivers"); 11034 } 11035 11036 // Static shared libs cannot declare permission groups 11037 if (!pkg.permissionGroups.isEmpty()) { 11038 throw new PackageManagerException( 11039 "Static shared libs cannot declare permission groups"); 11040 } 11041 11042 // Static shared libs cannot declare permissions 11043 if (!pkg.permissions.isEmpty()) { 11044 throw new PackageManagerException( 11045 "Static shared libs cannot declare permissions"); 11046 } 11047 11048 // Static shared libs cannot declare protected broadcasts 11049 if (pkg.protectedBroadcasts != null) { 11050 throw new PackageManagerException( 11051 "Static shared libs cannot declare protected broadcasts"); 11052 } 11053 11054 // Static shared libs cannot be overlay targets 11055 if (pkg.mOverlayTarget != null) { 11056 throw new PackageManagerException( 11057 "Static shared libs cannot be overlay targets"); 11058 } 11059 11060 // The version codes must be ordered as lib versions 11061 long minVersionCode = Long.MIN_VALUE; 11062 long maxVersionCode = Long.MAX_VALUE; 11063 11064 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 11065 pkg.staticSharedLibName); 11066 if (versionedLib != null) { 11067 final int versionCount = versionedLib.size(); 11068 for (int i = 0; i < versionCount; i++) { 11069 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 11070 final long libVersionCode = libInfo.getDeclaringPackage() 11071 .getLongVersionCode(); 11072 if (libInfo.getLongVersion() < pkg.staticSharedLibVersion) { 11073 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 11074 } else if (libInfo.getLongVersion() > pkg.staticSharedLibVersion) { 11075 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 11076 } else { 11077 minVersionCode = maxVersionCode = libVersionCode; 11078 break; 11079 } 11080 } 11081 } 11082 if (pkg.getLongVersionCode() < minVersionCode 11083 || pkg.getLongVersionCode() > maxVersionCode) { 11084 throw new PackageManagerException("Static shared" 11085 + " lib version codes must be ordered as lib versions"); 11086 } 11087 } 11088 11089 // Only privileged apps and updated privileged apps can add child packages. 11090 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 11091 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 11092 throw new PackageManagerException("Only privileged apps can add child " 11093 + "packages. Ignoring package " + pkg.packageName); 11094 } 11095 final int childCount = pkg.childPackages.size(); 11096 for (int i = 0; i < childCount; i++) { 11097 PackageParser.Package childPkg = pkg.childPackages.get(i); 11098 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 11099 childPkg.packageName)) { 11100 throw new PackageManagerException("Can't override child of " 11101 + "another disabled app. Ignoring package " + pkg.packageName); 11102 } 11103 } 11104 } 11105 11106 // If we're only installing presumed-existing packages, require that the 11107 // scanned APK is both already known and at the path previously established 11108 // for it. Previously unknown packages we pick up normally, but if we have an 11109 // a priori expectation about this package's install presence, enforce it. 11110 // With a singular exception for new system packages. When an OTA contains 11111 // a new system package, we allow the codepath to change from a system location 11112 // to the user-installed location. If we don't allow this change, any newer, 11113 // user-installed version of the application will be ignored. 11114 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 11115 if (mExpectingBetter.containsKey(pkg.packageName)) { 11116 logCriticalInfo(Log.WARN, 11117 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 11118 } else { 11119 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 11120 if (known != null) { 11121 if (DEBUG_PACKAGE_SCANNING) { 11122 Log.d(TAG, "Examining " + pkg.codePath 11123 + " and requiring known paths " + known.codePathString 11124 + " & " + known.resourcePathString); 11125 } 11126 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 11127 || !pkg.applicationInfo.getResourcePath().equals( 11128 known.resourcePathString)) { 11129 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 11130 "Application package " + pkg.packageName 11131 + " found at " + pkg.applicationInfo.getCodePath() 11132 + " but expected at " + known.codePathString 11133 + "; ignoring."); 11134 } 11135 } else { 11136 throw new PackageManagerException(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 11137 "Application package " + pkg.packageName 11138 + " not found; ignoring."); 11139 } 11140 } 11141 } 11142 11143 // Verify that this new package doesn't have any content providers 11144 // that conflict with existing packages. Only do this if the 11145 // package isn't already installed, since we don't want to break 11146 // things that are installed. 11147 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 11148 final int N = pkg.providers.size(); 11149 int i; 11150 for (i=0; i<N; i++) { 11151 PackageParser.Provider p = pkg.providers.get(i); 11152 if (p.info.authority != null) { 11153 String names[] = p.info.authority.split(";"); 11154 for (int j = 0; j < names.length; j++) { 11155 if (mProvidersByAuthority.containsKey(names[j])) { 11156 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11157 final String otherPackageName = 11158 ((other != null && other.getComponentName() != null) ? 11159 other.getComponentName().getPackageName() : "?"); 11160 throw new PackageManagerException( 11161 INSTALL_FAILED_CONFLICTING_PROVIDER, 11162 "Can't install because provider name " + names[j] 11163 + " (in package " + pkg.applicationInfo.packageName 11164 + ") is already used by " + otherPackageName); 11165 } 11166 } 11167 } 11168 } 11169 } 11170 11171 // Verify that packages sharing a user with a privileged app are marked as privileged. 11172 if (!pkg.isPrivileged() && (pkg.mSharedUserId != null)) { 11173 SharedUserSetting sharedUserSetting = null; 11174 try { 11175 sharedUserSetting = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, false); 11176 } catch (PackageManagerException ignore) {} 11177 if (sharedUserSetting != null && sharedUserSetting.isPrivileged()) { 11178 // Exempt SharedUsers signed with the platform key. 11179 PackageSetting platformPkgSetting = mSettings.mPackages.get("android"); 11180 if ((platformPkgSetting.signatures.mSigningDetails 11181 != PackageParser.SigningDetails.UNKNOWN) 11182 && (compareSignatures( 11183 platformPkgSetting.signatures.mSigningDetails.signatures, 11184 pkg.mSigningDetails.signatures) 11185 != PackageManager.SIGNATURE_MATCH)) { 11186 throw new PackageManagerException("Apps that share a user with a " + 11187 "privileged app must themselves be marked as privileged. " + 11188 pkg.packageName + " shares privileged user " + 11189 pkg.mSharedUserId + "."); 11190 } 11191 } 11192 } 11193 11194 // Apply policies specific for runtime resource overlays (RROs). 11195 if (pkg.mOverlayTarget != null) { 11196 // System overlays have some restrictions on their use of the 'static' state. 11197 if ((scanFlags & SCAN_AS_SYSTEM) != 0) { 11198 // We are scanning a system overlay. This can be the first scan of the 11199 // system/vendor/oem partition, or an update to the system overlay. 11200 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 11201 // This must be an update to a system overlay. 11202 final PackageSetting previousPkg = assertNotNull( 11203 mSettings.getPackageLPr(pkg.packageName), 11204 "previous package state not present"); 11205 11206 // previousPkg.pkg may be null: the package will be not be scanned if the 11207 // package manager knows there is a newer version on /data. 11208 // TODO[b/79435695]: Find a better way to keep track of the "static" 11209 // property for RROs instead of having to parse packages on /system 11210 PackageParser.Package ppkg = previousPkg.pkg; 11211 if (ppkg == null) { 11212 try { 11213 final PackageParser pp = new PackageParser(); 11214 ppkg = pp.parsePackage(previousPkg.codePath, 11215 parseFlags | PackageParser.PARSE_IS_SYSTEM_DIR); 11216 } catch (PackageParserException e) { 11217 Slog.w(TAG, "failed to parse " + previousPkg.codePath, e); 11218 } 11219 } 11220 11221 // Static overlays cannot be updated. 11222 if (ppkg != null && ppkg.mOverlayIsStatic) { 11223 throw new PackageManagerException("Overlay " + pkg.packageName + 11224 " is static and cannot be upgraded."); 11225 // Non-static overlays cannot be converted to static overlays. 11226 } else if (pkg.mOverlayIsStatic) { 11227 throw new PackageManagerException("Overlay " + pkg.packageName + 11228 " cannot be upgraded into a static overlay."); 11229 } 11230 } 11231 } else { 11232 // The overlay is a non-system overlay. Non-system overlays cannot be static. 11233 if (pkg.mOverlayIsStatic) { 11234 throw new PackageManagerException("Overlay " + pkg.packageName + 11235 " is static but not pre-installed."); 11236 } 11237 11238 // The only case where we allow installation of a non-system overlay is when 11239 // its signature is signed with the platform certificate. 11240 PackageSetting platformPkgSetting = mSettings.getPackageLPr("android"); 11241 if ((platformPkgSetting.signatures.mSigningDetails 11242 != PackageParser.SigningDetails.UNKNOWN) 11243 && (compareSignatures( 11244 platformPkgSetting.signatures.mSigningDetails.signatures, 11245 pkg.mSigningDetails.signatures) 11246 != PackageManager.SIGNATURE_MATCH)) { 11247 throw new PackageManagerException("Overlay " + pkg.packageName + 11248 " must be signed with the platform certificate."); 11249 } 11250 } 11251 } 11252 } 11253 } 11254 11255 private boolean addSharedLibraryLPw(String path, String apk, String name, long version, 11256 int type, String declaringPackageName, long declaringVersionCode) { 11257 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 11258 if (versionedLib == null) { 11259 versionedLib = new LongSparseArray<>(); 11260 mSharedLibraries.put(name, versionedLib); 11261 if (type == SharedLibraryInfo.TYPE_STATIC) { 11262 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 11263 } 11264 } else if (versionedLib.indexOfKey(version) >= 0) { 11265 return false; 11266 } 11267 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 11268 version, type, declaringPackageName, declaringVersionCode); 11269 versionedLib.put(version, libEntry); 11270 return true; 11271 } 11272 11273 private boolean removeSharedLibraryLPw(String name, long version) { 11274 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 11275 if (versionedLib == null) { 11276 return false; 11277 } 11278 final int libIdx = versionedLib.indexOfKey(version); 11279 if (libIdx < 0) { 11280 return false; 11281 } 11282 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 11283 versionedLib.remove(version); 11284 if (versionedLib.size() <= 0) { 11285 mSharedLibraries.remove(name); 11286 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 11287 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 11288 .getPackageName()); 11289 } 11290 } 11291 return true; 11292 } 11293 11294 /** 11295 * Adds a scanned package to the system. When this method is finished, the package will 11296 * be available for query, resolution, etc... 11297 */ 11298 private void commitPackageSettings(PackageParser.Package pkg, 11299 @Nullable PackageParser.Package oldPkg, PackageSetting pkgSetting, UserHandle user, 11300 final @ScanFlags int scanFlags, boolean chatty) { 11301 final String pkgName = pkg.packageName; 11302 if (mCustomResolverComponentName != null && 11303 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 11304 setUpCustomResolverActivity(pkg); 11305 } 11306 11307 if (pkg.packageName.equals("android")) { 11308 synchronized (mPackages) { 11309 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 11310 // Set up information for our fall-back user intent resolution activity. 11311 mPlatformPackage = pkg; 11312 pkg.mVersionCode = mSdkVersion; 11313 pkg.mVersionCodeMajor = 0; 11314 mAndroidApplication = pkg.applicationInfo; 11315 if (!mResolverReplaced) { 11316 mResolveActivity.applicationInfo = mAndroidApplication; 11317 mResolveActivity.name = ResolverActivity.class.getName(); 11318 mResolveActivity.packageName = mAndroidApplication.packageName; 11319 mResolveActivity.processName = "system:ui"; 11320 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11321 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 11322 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 11323 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 11324 mResolveActivity.exported = true; 11325 mResolveActivity.enabled = true; 11326 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 11327 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 11328 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 11329 | ActivityInfo.CONFIG_SCREEN_LAYOUT 11330 | ActivityInfo.CONFIG_ORIENTATION 11331 | ActivityInfo.CONFIG_KEYBOARD 11332 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 11333 mResolveInfo.activityInfo = mResolveActivity; 11334 mResolveInfo.priority = 0; 11335 mResolveInfo.preferredOrder = 0; 11336 mResolveInfo.match = 0; 11337 mResolveComponentName = new ComponentName( 11338 mAndroidApplication.packageName, mResolveActivity.name); 11339 } 11340 } 11341 } 11342 } 11343 11344 ArrayList<PackageParser.Package> clientLibPkgs = null; 11345 // writer 11346 synchronized (mPackages) { 11347 boolean hasStaticSharedLibs = false; 11348 11349 // Any app can add new static shared libraries 11350 if (pkg.staticSharedLibName != null) { 11351 // Static shared libs don't allow renaming as they have synthetic package 11352 // names to allow install of multiple versions, so use name from manifest. 11353 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 11354 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 11355 pkg.manifestPackageName, pkg.getLongVersionCode())) { 11356 hasStaticSharedLibs = true; 11357 } else { 11358 Slog.w(TAG, "Package " + pkg.packageName + " library " 11359 + pkg.staticSharedLibName + " already exists; skipping"); 11360 } 11361 // Static shared libs cannot be updated once installed since they 11362 // use synthetic package name which includes the version code, so 11363 // not need to update other packages's shared lib dependencies. 11364 } 11365 11366 if (!hasStaticSharedLibs 11367 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11368 // Only system apps can add new dynamic shared libraries. 11369 if (pkg.libraryNames != null) { 11370 for (int i = 0; i < pkg.libraryNames.size(); i++) { 11371 String name = pkg.libraryNames.get(i); 11372 boolean allowed = false; 11373 if (pkg.isUpdatedSystemApp()) { 11374 // New library entries can only be added through the 11375 // system image. This is important to get rid of a lot 11376 // of nasty edge cases: for example if we allowed a non- 11377 // system update of the app to add a library, then uninstalling 11378 // the update would make the library go away, and assumptions 11379 // we made such as through app install filtering would now 11380 // have allowed apps on the device which aren't compatible 11381 // with it. Better to just have the restriction here, be 11382 // conservative, and create many fewer cases that can negatively 11383 // impact the user experience. 11384 final PackageSetting sysPs = mSettings 11385 .getDisabledSystemPkgLPr(pkg.packageName); 11386 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 11387 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 11388 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 11389 allowed = true; 11390 break; 11391 } 11392 } 11393 } 11394 } else { 11395 allowed = true; 11396 } 11397 if (allowed) { 11398 if (!addSharedLibraryLPw(null, pkg.packageName, name, 11399 SharedLibraryInfo.VERSION_UNDEFINED, 11400 SharedLibraryInfo.TYPE_DYNAMIC, 11401 pkg.packageName, pkg.getLongVersionCode())) { 11402 Slog.w(TAG, "Package " + pkg.packageName + " library " 11403 + name + " already exists; skipping"); 11404 } 11405 } else { 11406 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 11407 + name + " that is not declared on system image; skipping"); 11408 } 11409 } 11410 11411 if ((scanFlags & SCAN_BOOTING) == 0) { 11412 // If we are not booting, we need to update any applications 11413 // that are clients of our shared library. If we are booting, 11414 // this will all be done once the scan is complete. 11415 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 11416 } 11417 } 11418 } 11419 } 11420 11421 if ((scanFlags & SCAN_BOOTING) != 0) { 11422 // No apps can run during boot scan, so they don't need to be frozen 11423 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 11424 // Caller asked to not kill app, so it's probably not frozen 11425 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 11426 // Caller asked us to ignore frozen check for some reason; they 11427 // probably didn't know the package name 11428 } else { 11429 // We're doing major surgery on this package, so it better be frozen 11430 // right now to keep it from launching 11431 checkPackageFrozen(pkgName); 11432 } 11433 11434 // Also need to kill any apps that are dependent on the library. 11435 if (clientLibPkgs != null) { 11436 for (int i=0; i<clientLibPkgs.size(); i++) { 11437 PackageParser.Package clientPkg = clientLibPkgs.get(i); 11438 killApplication(clientPkg.applicationInfo.packageName, 11439 clientPkg.applicationInfo.uid, "update lib"); 11440 } 11441 } 11442 11443 // writer 11444 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 11445 11446 synchronized (mPackages) { 11447 // We don't expect installation to fail beyond this point 11448 11449 // Add the new setting to mSettings 11450 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 11451 // Add the new setting to mPackages 11452 mPackages.put(pkg.applicationInfo.packageName, pkg); 11453 // Make sure we don't accidentally delete its data. 11454 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 11455 while (iter.hasNext()) { 11456 PackageCleanItem item = iter.next(); 11457 if (pkgName.equals(item.packageName)) { 11458 iter.remove(); 11459 } 11460 } 11461 11462 // Add the package's KeySets to the global KeySetManagerService 11463 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11464 ksms.addScannedPackageLPw(pkg); 11465 11466 int N = pkg.providers.size(); 11467 StringBuilder r = null; 11468 int i; 11469 for (i=0; i<N; i++) { 11470 PackageParser.Provider p = pkg.providers.get(i); 11471 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 11472 p.info.processName); 11473 mProviders.addProvider(p); 11474 p.syncable = p.info.isSyncable; 11475 if (p.info.authority != null) { 11476 String names[] = p.info.authority.split(";"); 11477 p.info.authority = null; 11478 for (int j = 0; j < names.length; j++) { 11479 if (j == 1 && p.syncable) { 11480 // We only want the first authority for a provider to possibly be 11481 // syncable, so if we already added this provider using a different 11482 // authority clear the syncable flag. We copy the provider before 11483 // changing it because the mProviders object contains a reference 11484 // to a provider that we don't want to change. 11485 // Only do this for the second authority since the resulting provider 11486 // object can be the same for all future authorities for this provider. 11487 p = new PackageParser.Provider(p); 11488 p.syncable = false; 11489 } 11490 if (!mProvidersByAuthority.containsKey(names[j])) { 11491 mProvidersByAuthority.put(names[j], p); 11492 if (p.info.authority == null) { 11493 p.info.authority = names[j]; 11494 } else { 11495 p.info.authority = p.info.authority + ";" + names[j]; 11496 } 11497 if (DEBUG_PACKAGE_SCANNING) { 11498 if (chatty) 11499 Log.d(TAG, "Registered content provider: " + names[j] 11500 + ", className = " + p.info.name + ", isSyncable = " 11501 + p.info.isSyncable); 11502 } 11503 } else { 11504 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11505 Slog.w(TAG, "Skipping provider name " + names[j] + 11506 " (in package " + pkg.applicationInfo.packageName + 11507 "): name already used by " 11508 + ((other != null && other.getComponentName() != null) 11509 ? other.getComponentName().getPackageName() : "?")); 11510 } 11511 } 11512 } 11513 if (chatty) { 11514 if (r == null) { 11515 r = new StringBuilder(256); 11516 } else { 11517 r.append(' '); 11518 } 11519 r.append(p.info.name); 11520 } 11521 } 11522 if (r != null) { 11523 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 11524 } 11525 11526 N = pkg.services.size(); 11527 r = null; 11528 for (i=0; i<N; i++) { 11529 PackageParser.Service s = pkg.services.get(i); 11530 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 11531 s.info.processName); 11532 mServices.addService(s); 11533 if (chatty) { 11534 if (r == null) { 11535 r = new StringBuilder(256); 11536 } else { 11537 r.append(' '); 11538 } 11539 r.append(s.info.name); 11540 } 11541 } 11542 if (r != null) { 11543 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 11544 } 11545 11546 N = pkg.receivers.size(); 11547 r = null; 11548 for (i=0; i<N; i++) { 11549 PackageParser.Activity a = pkg.receivers.get(i); 11550 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11551 a.info.processName); 11552 mReceivers.addActivity(a, "receiver"); 11553 if (chatty) { 11554 if (r == null) { 11555 r = new StringBuilder(256); 11556 } else { 11557 r.append(' '); 11558 } 11559 r.append(a.info.name); 11560 } 11561 } 11562 if (r != null) { 11563 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 11564 } 11565 11566 N = pkg.activities.size(); 11567 r = null; 11568 for (i=0; i<N; i++) { 11569 PackageParser.Activity a = pkg.activities.get(i); 11570 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11571 a.info.processName); 11572 mActivities.addActivity(a, "activity"); 11573 if (chatty) { 11574 if (r == null) { 11575 r = new StringBuilder(256); 11576 } else { 11577 r.append(' '); 11578 } 11579 r.append(a.info.name); 11580 } 11581 } 11582 if (r != null) { 11583 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 11584 } 11585 11586 // Don't allow ephemeral applications to define new permissions groups. 11587 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11588 Slog.w(TAG, "Permission groups from package " + pkg.packageName 11589 + " ignored: instant apps cannot define new permission groups."); 11590 } else { 11591 mPermissionManager.addAllPermissionGroups(pkg, chatty); 11592 } 11593 11594 // Don't allow ephemeral applications to define new permissions. 11595 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11596 Slog.w(TAG, "Permissions from package " + pkg.packageName 11597 + " ignored: instant apps cannot define new permissions."); 11598 } else { 11599 mPermissionManager.addAllPermissions(pkg, chatty); 11600 } 11601 11602 N = pkg.instrumentation.size(); 11603 r = null; 11604 for (i=0; i<N; i++) { 11605 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11606 a.info.packageName = pkg.applicationInfo.packageName; 11607 a.info.sourceDir = pkg.applicationInfo.sourceDir; 11608 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 11609 a.info.splitNames = pkg.splitNames; 11610 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 11611 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 11612 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 11613 a.info.dataDir = pkg.applicationInfo.dataDir; 11614 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 11615 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 11616 a.info.primaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11617 a.info.secondaryCpuAbi = pkg.applicationInfo.secondaryCpuAbi; 11618 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 11619 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 11620 mInstrumentation.put(a.getComponentName(), a); 11621 if (chatty) { 11622 if (r == null) { 11623 r = new StringBuilder(256); 11624 } else { 11625 r.append(' '); 11626 } 11627 r.append(a.info.name); 11628 } 11629 } 11630 if (r != null) { 11631 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 11632 } 11633 11634 if (pkg.protectedBroadcasts != null) { 11635 N = pkg.protectedBroadcasts.size(); 11636 synchronized (mProtectedBroadcasts) { 11637 for (i = 0; i < N; i++) { 11638 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 11639 } 11640 } 11641 } 11642 11643 if (oldPkg != null) { 11644 // We need to call revokeRuntimePermissionsIfGroupChanged async as permission 11645 // revoke callbacks from this method might need to kill apps which need the 11646 // mPackages lock on a different thread. This would dead lock. 11647 // 11648 // Hence create a copy of all package names and pass it into 11649 // revokeRuntimePermissionsIfGroupChanged. Only for those permissions might get 11650 // revoked. If a new package is added before the async code runs the permission 11651 // won't be granted yet, hence new packages are no problem. 11652 final ArrayList<String> allPackageNames = new ArrayList<>(mPackages.keySet()); 11653 11654 AsyncTask.execute(() -> 11655 mPermissionManager.revokeRuntimePermissionsIfGroupChanged(pkg, oldPkg, 11656 allPackageNames, mPermissionCallback)); 11657 } 11658 } 11659 11660 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11661 } 11662 11663 /** 11664 * Derive the ABI of a non-system package located at {@code scanFile}. This information 11665 * is derived purely on the basis of the contents of {@code scanFile} and 11666 * {@code cpuAbiOverride}. 11667 * 11668 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 11669 */ 11670 private static void derivePackageAbi(PackageParser.Package pkg, String cpuAbiOverride, 11671 boolean extractLibs) 11672 throws PackageManagerException { 11673 // Give ourselves some initial paths; we'll come back for another 11674 // pass once we've determined ABI below. 11675 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11676 11677 // We would never need to extract libs for forward-locked and external packages, 11678 // since the container service will do it for us. We shouldn't attempt to 11679 // extract libs from system app when it was not updated. 11680 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 11681 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 11682 extractLibs = false; 11683 } 11684 11685 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 11686 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 11687 11688 NativeLibraryHelper.Handle handle = null; 11689 try { 11690 handle = NativeLibraryHelper.Handle.create(pkg); 11691 // TODO(multiArch): This can be null for apps that didn't go through the 11692 // usual installation process. We can calculate it again, like we 11693 // do during install time. 11694 // 11695 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 11696 // unnecessary. 11697 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 11698 11699 // Null out the abis so that they can be recalculated. 11700 pkg.applicationInfo.primaryCpuAbi = null; 11701 pkg.applicationInfo.secondaryCpuAbi = null; 11702 if (isMultiArch(pkg.applicationInfo)) { 11703 // Warn if we've set an abiOverride for multi-lib packages.. 11704 // By definition, we need to copy both 32 and 64 bit libraries for 11705 // such packages. 11706 if (pkg.cpuAbiOverride != null 11707 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 11708 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 11709 } 11710 11711 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 11712 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 11713 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 11714 if (extractLibs) { 11715 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11716 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11717 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 11718 useIsaSpecificSubdirs); 11719 } else { 11720 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11721 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 11722 } 11723 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11724 } 11725 11726 // Shared library native code should be in the APK zip aligned 11727 if (abi32 >= 0 && pkg.isLibrary() && extractLibs) { 11728 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11729 "Shared library native lib extraction not supported"); 11730 } 11731 11732 maybeThrowExceptionForMultiArchCopy( 11733 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 11734 11735 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 11736 if (extractLibs) { 11737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11738 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11739 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 11740 useIsaSpecificSubdirs); 11741 } else { 11742 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11743 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 11744 } 11745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11746 } 11747 11748 maybeThrowExceptionForMultiArchCopy( 11749 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 11750 11751 if (abi64 >= 0) { 11752 // Shared library native libs should be in the APK zip aligned 11753 if (extractLibs && pkg.isLibrary()) { 11754 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11755 "Shared library native lib extraction not supported"); 11756 } 11757 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 11758 } 11759 11760 if (abi32 >= 0) { 11761 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 11762 if (abi64 >= 0) { 11763 if (pkg.use32bitAbi) { 11764 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11765 pkg.applicationInfo.primaryCpuAbi = abi; 11766 } else { 11767 pkg.applicationInfo.secondaryCpuAbi = abi; 11768 } 11769 } else { 11770 pkg.applicationInfo.primaryCpuAbi = abi; 11771 } 11772 } 11773 } else { 11774 String[] abiList = (cpuAbiOverride != null) ? 11775 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 11776 11777 // Enable gross and lame hacks for apps that are built with old 11778 // SDK tools. We must scan their APKs for renderscript bitcode and 11779 // not launch them if it's present. Don't bother checking on devices 11780 // that don't have 64 bit support. 11781 boolean needsRenderScriptOverride = false; 11782 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 11783 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 11784 abiList = Build.SUPPORTED_32_BIT_ABIS; 11785 needsRenderScriptOverride = true; 11786 } 11787 11788 final int copyRet; 11789 if (extractLibs) { 11790 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11791 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11792 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 11793 } else { 11794 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11795 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 11796 } 11797 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11798 11799 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 11800 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11801 "Error unpackaging native libs for app, errorCode=" + copyRet); 11802 } 11803 11804 if (copyRet >= 0) { 11805 // Shared libraries that have native libs must be multi-architecture 11806 if (pkg.isLibrary()) { 11807 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11808 "Shared library with native libs must be multiarch"); 11809 } 11810 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 11811 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 11812 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 11813 } else if (needsRenderScriptOverride) { 11814 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 11815 } 11816 } 11817 } catch (IOException ioe) { 11818 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 11819 } finally { 11820 IoUtils.closeQuietly(handle); 11821 } 11822 11823 // Now that we've calculated the ABIs and determined if it's an internal app, 11824 // we will go ahead and populate the nativeLibraryPath. 11825 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11826 } 11827 11828 /** 11829 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 11830 * i.e, so that all packages can be run inside a single process if required. 11831 * 11832 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 11833 * this function will either try and make the ABI for all packages in {@code packagesForUser} 11834 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 11835 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 11836 * updating a package that belongs to a shared user. 11837 * 11838 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 11839 * adds unnecessary complexity. 11840 */ 11841 private static @Nullable List<String> adjustCpuAbisForSharedUserLPw( 11842 Set<PackageSetting> packagesForUser, PackageParser.Package scannedPackage) { 11843 List<String> changedAbiCodePath = null; 11844 String requiredInstructionSet = null; 11845 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 11846 requiredInstructionSet = VMRuntime.getInstructionSet( 11847 scannedPackage.applicationInfo.primaryCpuAbi); 11848 } 11849 11850 PackageSetting requirer = null; 11851 for (PackageSetting ps : packagesForUser) { 11852 // If packagesForUser contains scannedPackage, we skip it. This will happen 11853 // when scannedPackage is an update of an existing package. Without this check, 11854 // we will never be able to change the ABI of any package belonging to a shared 11855 // user, even if it's compatible with other packages. 11856 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11857 if (ps.primaryCpuAbiString == null) { 11858 continue; 11859 } 11860 11861 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 11862 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 11863 // We have a mismatch between instruction sets (say arm vs arm64) warn about 11864 // this but there's not much we can do. 11865 String errorMessage = "Instruction set mismatch, " 11866 + ((requirer == null) ? "[caller]" : requirer) 11867 + " requires " + requiredInstructionSet + " whereas " + ps 11868 + " requires " + instructionSet; 11869 Slog.w(TAG, errorMessage); 11870 } 11871 11872 if (requiredInstructionSet == null) { 11873 requiredInstructionSet = instructionSet; 11874 requirer = ps; 11875 } 11876 } 11877 } 11878 11879 if (requiredInstructionSet != null) { 11880 String adjustedAbi; 11881 if (requirer != null) { 11882 // requirer != null implies that either scannedPackage was null or that scannedPackage 11883 // did not require an ABI, in which case we have to adjust scannedPackage to match 11884 // the ABI of the set (which is the same as requirer's ABI) 11885 adjustedAbi = requirer.primaryCpuAbiString; 11886 if (scannedPackage != null) { 11887 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 11888 } 11889 } else { 11890 // requirer == null implies that we're updating all ABIs in the set to 11891 // match scannedPackage. 11892 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 11893 } 11894 11895 for (PackageSetting ps : packagesForUser) { 11896 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11897 if (ps.primaryCpuAbiString != null) { 11898 continue; 11899 } 11900 11901 ps.primaryCpuAbiString = adjustedAbi; 11902 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11903 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11904 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11905 if (DEBUG_ABI_SELECTION) { 11906 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11907 + " (requirer=" 11908 + (requirer != null ? requirer.pkg : "null") 11909 + ", scannedPackage=" 11910 + (scannedPackage != null ? scannedPackage : "null") 11911 + ")"); 11912 } 11913 if (changedAbiCodePath == null) { 11914 changedAbiCodePath = new ArrayList<>(); 11915 } 11916 changedAbiCodePath.add(ps.codePathString); 11917 } 11918 } 11919 } 11920 } 11921 return changedAbiCodePath; 11922 } 11923 11924 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11925 synchronized (mPackages) { 11926 mResolverReplaced = true; 11927 // Set up information for custom user intent resolution activity. 11928 mResolveActivity.applicationInfo = pkg.applicationInfo; 11929 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11930 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11931 mResolveActivity.processName = pkg.applicationInfo.packageName; 11932 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11933 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11934 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11935 mResolveActivity.theme = 0; 11936 mResolveActivity.exported = true; 11937 mResolveActivity.enabled = true; 11938 mResolveInfo.activityInfo = mResolveActivity; 11939 mResolveInfo.priority = 0; 11940 mResolveInfo.preferredOrder = 0; 11941 mResolveInfo.match = 0; 11942 mResolveComponentName = mCustomResolverComponentName; 11943 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11944 mResolveComponentName); 11945 } 11946 } 11947 11948 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11949 if (installerActivity == null) { 11950 if (DEBUG_INSTANT) { 11951 Slog.d(TAG, "Clear ephemeral installer activity"); 11952 } 11953 mInstantAppInstallerActivity = null; 11954 return; 11955 } 11956 11957 if (DEBUG_INSTANT) { 11958 Slog.d(TAG, "Set ephemeral installer activity: " 11959 + installerActivity.getComponentName()); 11960 } 11961 // Set up information for ephemeral installer activity 11962 mInstantAppInstallerActivity = installerActivity; 11963 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11964 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11965 mInstantAppInstallerActivity.exported = true; 11966 mInstantAppInstallerActivity.enabled = true; 11967 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11968 mInstantAppInstallerInfo.priority = 1; 11969 mInstantAppInstallerInfo.preferredOrder = 1; 11970 mInstantAppInstallerInfo.isDefault = true; 11971 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11972 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11973 } 11974 11975 private static String calculateBundledApkRoot(final String codePathString) { 11976 final File codePath = new File(codePathString); 11977 final File codeRoot; 11978 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11979 codeRoot = Environment.getRootDirectory(); 11980 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11981 codeRoot = Environment.getOemDirectory(); 11982 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11983 codeRoot = Environment.getVendorDirectory(); 11984 } else if (FileUtils.contains(Environment.getOdmDirectory(), codePath)) { 11985 codeRoot = Environment.getOdmDirectory(); 11986 } else if (FileUtils.contains(Environment.getProductDirectory(), codePath)) { 11987 codeRoot = Environment.getProductDirectory(); 11988 } else { 11989 // Unrecognized code path; take its top real segment as the apk root: 11990 // e.g. /something/app/blah.apk => /something 11991 try { 11992 File f = codePath.getCanonicalFile(); 11993 File parent = f.getParentFile(); // non-null because codePath is a file 11994 File tmp; 11995 while ((tmp = parent.getParentFile()) != null) { 11996 f = parent; 11997 parent = tmp; 11998 } 11999 codeRoot = f; 12000 Slog.w(TAG, "Unrecognized code path " 12001 + codePath + " - using " + codeRoot); 12002 } catch (IOException e) { 12003 // Can't canonicalize the code path -- shenanigans? 12004 Slog.w(TAG, "Can't canonicalize code path " + codePath); 12005 return Environment.getRootDirectory().getPath(); 12006 } 12007 } 12008 return codeRoot.getPath(); 12009 } 12010 12011 /** 12012 * Derive and set the location of native libraries for the given package, 12013 * which varies depending on where and how the package was installed. 12014 */ 12015 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 12016 final ApplicationInfo info = pkg.applicationInfo; 12017 final String codePath = pkg.codePath; 12018 final File codeFile = new File(codePath); 12019 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 12020 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 12021 12022 info.nativeLibraryRootDir = null; 12023 info.nativeLibraryRootRequiresIsa = false; 12024 info.nativeLibraryDir = null; 12025 info.secondaryNativeLibraryDir = null; 12026 12027 if (isApkFile(codeFile)) { 12028 // Monolithic install 12029 if (bundledApp) { 12030 // If "/system/lib64/apkname" exists, assume that is the per-package 12031 // native library directory to use; otherwise use "/system/lib/apkname". 12032 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 12033 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 12034 getPrimaryInstructionSet(info)); 12035 12036 // This is a bundled system app so choose the path based on the ABI. 12037 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 12038 // is just the default path. 12039 final String apkName = deriveCodePathName(codePath); 12040 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 12041 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 12042 apkName).getAbsolutePath(); 12043 12044 if (info.secondaryCpuAbi != null) { 12045 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 12046 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 12047 secondaryLibDir, apkName).getAbsolutePath(); 12048 } 12049 } else if (asecApp) { 12050 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 12051 .getAbsolutePath(); 12052 } else { 12053 final String apkName = deriveCodePathName(codePath); 12054 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 12055 .getAbsolutePath(); 12056 } 12057 12058 info.nativeLibraryRootRequiresIsa = false; 12059 info.nativeLibraryDir = info.nativeLibraryRootDir; 12060 } else { 12061 // Cluster install 12062 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 12063 info.nativeLibraryRootRequiresIsa = true; 12064 12065 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 12066 getPrimaryInstructionSet(info)).getAbsolutePath(); 12067 12068 if (info.secondaryCpuAbi != null) { 12069 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 12070 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 12071 } 12072 } 12073 } 12074 12075 /** 12076 * Calculate the abis and roots for a bundled app. These can uniquely 12077 * be determined from the contents of the system partition, i.e whether 12078 * it contains 64 or 32 bit shared libraries etc. We do not validate any 12079 * of this information, and instead assume that the system was built 12080 * sensibly. 12081 */ 12082 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 12083 PackageSetting pkgSetting) { 12084 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 12085 12086 // If "/system/lib64/apkname" exists, assume that is the per-package 12087 // native library directory to use; otherwise use "/system/lib/apkname". 12088 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 12089 setBundledAppAbi(pkg, apkRoot, apkName); 12090 // pkgSetting might be null during rescan following uninstall of updates 12091 // to a bundled app, so accommodate that possibility. The settings in 12092 // that case will be established later from the parsed package. 12093 // 12094 // If the settings aren't null, sync them up with what we've just derived. 12095 // note that apkRoot isn't stored in the package settings. 12096 if (pkgSetting != null) { 12097 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 12098 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 12099 } 12100 } 12101 12102 /** 12103 * Deduces the ABI of a bundled app and sets the relevant fields on the 12104 * parsed pkg object. 12105 * 12106 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 12107 * under which system libraries are installed. 12108 * @param apkName the name of the installed package. 12109 */ 12110 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 12111 final File codeFile = new File(pkg.codePath); 12112 12113 final boolean has64BitLibs; 12114 final boolean has32BitLibs; 12115 if (isApkFile(codeFile)) { 12116 // Monolithic install 12117 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 12118 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 12119 } else { 12120 // Cluster install 12121 final File rootDir = new File(codeFile, LIB_DIR_NAME); 12122 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 12123 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 12124 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 12125 has64BitLibs = (new File(rootDir, isa)).exists(); 12126 } else { 12127 has64BitLibs = false; 12128 } 12129 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 12130 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 12131 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 12132 has32BitLibs = (new File(rootDir, isa)).exists(); 12133 } else { 12134 has32BitLibs = false; 12135 } 12136 } 12137 12138 if (has64BitLibs && !has32BitLibs) { 12139 // The package has 64 bit libs, but not 32 bit libs. Its primary 12140 // ABI should be 64 bit. We can safely assume here that the bundled 12141 // native libraries correspond to the most preferred ABI in the list. 12142 12143 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 12144 pkg.applicationInfo.secondaryCpuAbi = null; 12145 } else if (has32BitLibs && !has64BitLibs) { 12146 // The package has 32 bit libs but not 64 bit libs. Its primary 12147 // ABI should be 32 bit. 12148 12149 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 12150 pkg.applicationInfo.secondaryCpuAbi = null; 12151 } else if (has32BitLibs && has64BitLibs) { 12152 // The application has both 64 and 32 bit bundled libraries. We check 12153 // here that the app declares multiArch support, and warn if it doesn't. 12154 // 12155 // We will be lenient here and record both ABIs. The primary will be the 12156 // ABI that's higher on the list, i.e, a device that's configured to prefer 12157 // 64 bit apps will see a 64 bit primary ABI, 12158 12159 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 12160 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 12161 } 12162 12163 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 12164 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 12165 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 12166 } else { 12167 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 12168 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 12169 } 12170 } else { 12171 pkg.applicationInfo.primaryCpuAbi = null; 12172 pkg.applicationInfo.secondaryCpuAbi = null; 12173 } 12174 } 12175 12176 private void killApplication(String pkgName, int appId, String reason) { 12177 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 12178 } 12179 12180 private void killApplication(String pkgName, int appId, int userId, String reason) { 12181 // Request the ActivityManager to kill the process(only for existing packages) 12182 // so that we do not end up in a confused state while the user is still using the older 12183 // version of the application while the new one gets installed. 12184 final long token = Binder.clearCallingIdentity(); 12185 try { 12186 IActivityManager am = ActivityManager.getService(); 12187 if (am != null) { 12188 try { 12189 am.killApplication(pkgName, appId, userId, reason); 12190 } catch (RemoteException e) { 12191 } 12192 } 12193 } finally { 12194 Binder.restoreCallingIdentity(token); 12195 } 12196 } 12197 12198 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 12199 // Remove the parent package setting 12200 PackageSetting ps = (PackageSetting) pkg.mExtras; 12201 if (ps != null) { 12202 removePackageLI(ps, chatty); 12203 } 12204 // Remove the child package setting 12205 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12206 for (int i = 0; i < childCount; i++) { 12207 PackageParser.Package childPkg = pkg.childPackages.get(i); 12208 ps = (PackageSetting) childPkg.mExtras; 12209 if (ps != null) { 12210 removePackageLI(ps, chatty); 12211 } 12212 } 12213 } 12214 12215 void removePackageLI(PackageSetting ps, boolean chatty) { 12216 if (DEBUG_INSTALL) { 12217 if (chatty) 12218 Log.d(TAG, "Removing package " + ps.name); 12219 } 12220 12221 // writer 12222 synchronized (mPackages) { 12223 mPackages.remove(ps.name); 12224 final PackageParser.Package pkg = ps.pkg; 12225 if (pkg != null) { 12226 cleanPackageDataStructuresLILPw(pkg, chatty); 12227 } 12228 } 12229 } 12230 12231 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 12232 if (DEBUG_INSTALL) { 12233 if (chatty) 12234 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 12235 } 12236 12237 // writer 12238 synchronized (mPackages) { 12239 // Remove the parent package 12240 mPackages.remove(pkg.applicationInfo.packageName); 12241 cleanPackageDataStructuresLILPw(pkg, chatty); 12242 12243 // Remove the child packages 12244 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12245 for (int i = 0; i < childCount; i++) { 12246 PackageParser.Package childPkg = pkg.childPackages.get(i); 12247 mPackages.remove(childPkg.applicationInfo.packageName); 12248 cleanPackageDataStructuresLILPw(childPkg, chatty); 12249 } 12250 } 12251 } 12252 12253 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 12254 int N = pkg.providers.size(); 12255 StringBuilder r = null; 12256 int i; 12257 for (i=0; i<N; i++) { 12258 PackageParser.Provider p = pkg.providers.get(i); 12259 mProviders.removeProvider(p); 12260 if (p.info.authority == null) { 12261 12262 /* There was another ContentProvider with this authority when 12263 * this app was installed so this authority is null, 12264 * Ignore it as we don't have to unregister the provider. 12265 */ 12266 continue; 12267 } 12268 String names[] = p.info.authority.split(";"); 12269 for (int j = 0; j < names.length; j++) { 12270 if (mProvidersByAuthority.get(names[j]) == p) { 12271 mProvidersByAuthority.remove(names[j]); 12272 if (DEBUG_REMOVE) { 12273 if (chatty) 12274 Log.d(TAG, "Unregistered content provider: " + names[j] 12275 + ", className = " + p.info.name + ", isSyncable = " 12276 + p.info.isSyncable); 12277 } 12278 } 12279 } 12280 if (DEBUG_REMOVE && chatty) { 12281 if (r == null) { 12282 r = new StringBuilder(256); 12283 } else { 12284 r.append(' '); 12285 } 12286 r.append(p.info.name); 12287 } 12288 } 12289 if (r != null) { 12290 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 12291 } 12292 12293 N = pkg.services.size(); 12294 r = null; 12295 for (i=0; i<N; i++) { 12296 PackageParser.Service s = pkg.services.get(i); 12297 mServices.removeService(s); 12298 if (chatty) { 12299 if (r == null) { 12300 r = new StringBuilder(256); 12301 } else { 12302 r.append(' '); 12303 } 12304 r.append(s.info.name); 12305 } 12306 } 12307 if (r != null) { 12308 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 12309 } 12310 12311 N = pkg.receivers.size(); 12312 r = null; 12313 for (i=0; i<N; i++) { 12314 PackageParser.Activity a = pkg.receivers.get(i); 12315 mReceivers.removeActivity(a, "receiver"); 12316 if (DEBUG_REMOVE && chatty) { 12317 if (r == null) { 12318 r = new StringBuilder(256); 12319 } else { 12320 r.append(' '); 12321 } 12322 r.append(a.info.name); 12323 } 12324 } 12325 if (r != null) { 12326 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 12327 } 12328 12329 N = pkg.activities.size(); 12330 r = null; 12331 for (i=0; i<N; i++) { 12332 PackageParser.Activity a = pkg.activities.get(i); 12333 mActivities.removeActivity(a, "activity"); 12334 if (DEBUG_REMOVE && chatty) { 12335 if (r == null) { 12336 r = new StringBuilder(256); 12337 } else { 12338 r.append(' '); 12339 } 12340 r.append(a.info.name); 12341 } 12342 } 12343 if (r != null) { 12344 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 12345 } 12346 12347 mPermissionManager.removeAllPermissions(pkg, chatty); 12348 12349 N = pkg.instrumentation.size(); 12350 r = null; 12351 for (i=0; i<N; i++) { 12352 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 12353 mInstrumentation.remove(a.getComponentName()); 12354 if (DEBUG_REMOVE && chatty) { 12355 if (r == null) { 12356 r = new StringBuilder(256); 12357 } else { 12358 r.append(' '); 12359 } 12360 r.append(a.info.name); 12361 } 12362 } 12363 if (r != null) { 12364 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 12365 } 12366 12367 r = null; 12368 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 12369 // Only system apps can hold shared libraries. 12370 if (pkg.libraryNames != null) { 12371 for (i = 0; i < pkg.libraryNames.size(); i++) { 12372 String name = pkg.libraryNames.get(i); 12373 if (removeSharedLibraryLPw(name, 0)) { 12374 if (DEBUG_REMOVE && chatty) { 12375 if (r == null) { 12376 r = new StringBuilder(256); 12377 } else { 12378 r.append(' '); 12379 } 12380 r.append(name); 12381 } 12382 } 12383 } 12384 } 12385 } 12386 12387 r = null; 12388 12389 // Any package can hold static shared libraries. 12390 if (pkg.staticSharedLibName != null) { 12391 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 12392 if (DEBUG_REMOVE && chatty) { 12393 if (r == null) { 12394 r = new StringBuilder(256); 12395 } else { 12396 r.append(' '); 12397 } 12398 r.append(pkg.staticSharedLibName); 12399 } 12400 } 12401 } 12402 12403 if (r != null) { 12404 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 12405 } 12406 } 12407 12408 12409 final class ActivityIntentResolver 12410 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 12411 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12412 boolean defaultOnly, int userId) { 12413 if (!sUserManager.exists(userId)) return null; 12414 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 12415 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12416 } 12417 12418 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12419 int userId) { 12420 if (!sUserManager.exists(userId)) return null; 12421 mFlags = flags; 12422 return super.queryIntent(intent, resolvedType, 12423 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12424 userId); 12425 } 12426 12427 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12428 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 12429 if (!sUserManager.exists(userId)) return null; 12430 if (packageActivities == null) { 12431 return null; 12432 } 12433 mFlags = flags; 12434 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12435 final int N = packageActivities.size(); 12436 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 12437 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 12438 12439 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 12440 for (int i = 0; i < N; ++i) { 12441 intentFilters = packageActivities.get(i).intents; 12442 if (intentFilters != null && intentFilters.size() > 0) { 12443 PackageParser.ActivityIntentInfo[] array = 12444 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 12445 intentFilters.toArray(array); 12446 listCut.add(array); 12447 } 12448 } 12449 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12450 } 12451 12452 /** 12453 * Finds a privileged activity that matches the specified activity names. 12454 */ 12455 private PackageParser.Activity findMatchingActivity( 12456 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 12457 for (PackageParser.Activity sysActivity : activityList) { 12458 if (sysActivity.info.name.equals(activityInfo.name)) { 12459 return sysActivity; 12460 } 12461 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 12462 return sysActivity; 12463 } 12464 if (sysActivity.info.targetActivity != null) { 12465 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 12466 return sysActivity; 12467 } 12468 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 12469 return sysActivity; 12470 } 12471 } 12472 } 12473 return null; 12474 } 12475 12476 public class IterGenerator<E> { 12477 public Iterator<E> generate(ActivityIntentInfo info) { 12478 return null; 12479 } 12480 } 12481 12482 public class ActionIterGenerator extends IterGenerator<String> { 12483 @Override 12484 public Iterator<String> generate(ActivityIntentInfo info) { 12485 return info.actionsIterator(); 12486 } 12487 } 12488 12489 public class CategoriesIterGenerator extends IterGenerator<String> { 12490 @Override 12491 public Iterator<String> generate(ActivityIntentInfo info) { 12492 return info.categoriesIterator(); 12493 } 12494 } 12495 12496 public class SchemesIterGenerator extends IterGenerator<String> { 12497 @Override 12498 public Iterator<String> generate(ActivityIntentInfo info) { 12499 return info.schemesIterator(); 12500 } 12501 } 12502 12503 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12504 @Override 12505 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12506 return info.authoritiesIterator(); 12507 } 12508 } 12509 12510 /** 12511 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12512 * MODIFIED. Do not pass in a list that should not be changed. 12513 */ 12514 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12515 IterGenerator<T> generator, Iterator<T> searchIterator) { 12516 // loop through the set of actions; every one must be found in the intent filter 12517 while (searchIterator.hasNext()) { 12518 // we must have at least one filter in the list to consider a match 12519 if (intentList.size() == 0) { 12520 break; 12521 } 12522 12523 final T searchAction = searchIterator.next(); 12524 12525 // loop through the set of intent filters 12526 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12527 while (intentIter.hasNext()) { 12528 final ActivityIntentInfo intentInfo = intentIter.next(); 12529 boolean selectionFound = false; 12530 12531 // loop through the intent filter's selection criteria; at least one 12532 // of them must match the searched criteria 12533 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12534 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12535 final T intentSelection = intentSelectionIter.next(); 12536 if (intentSelection != null && intentSelection.equals(searchAction)) { 12537 selectionFound = true; 12538 break; 12539 } 12540 } 12541 12542 // the selection criteria wasn't found in this filter's set; this filter 12543 // is not a potential match 12544 if (!selectionFound) { 12545 intentIter.remove(); 12546 } 12547 } 12548 } 12549 } 12550 12551 private boolean isProtectedAction(ActivityIntentInfo filter) { 12552 final Iterator<String> actionsIter = filter.actionsIterator(); 12553 while (actionsIter != null && actionsIter.hasNext()) { 12554 final String filterAction = actionsIter.next(); 12555 if (PROTECTED_ACTIONS.contains(filterAction)) { 12556 return true; 12557 } 12558 } 12559 return false; 12560 } 12561 12562 /** 12563 * Adjusts the priority of the given intent filter according to policy. 12564 * <p> 12565 * <ul> 12566 * <li>The priority for non privileged applications is capped to '0'</li> 12567 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12568 * <li>The priority for unbundled updates to privileged applications is capped to the 12569 * priority defined on the system partition</li> 12570 * </ul> 12571 * <p> 12572 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12573 * allowed to obtain any priority on any action. 12574 */ 12575 private void adjustPriority( 12576 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12577 // nothing to do; priority is fine as-is 12578 if (intent.getPriority() <= 0) { 12579 return; 12580 } 12581 12582 final ActivityInfo activityInfo = intent.activity.info; 12583 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12584 12585 final boolean privilegedApp = 12586 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12587 if (!privilegedApp) { 12588 // non-privileged applications can never define a priority >0 12589 if (DEBUG_FILTERS) { 12590 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 12591 + " package: " + applicationInfo.packageName 12592 + " activity: " + intent.activity.className 12593 + " origPrio: " + intent.getPriority()); 12594 } 12595 intent.setPriority(0); 12596 return; 12597 } 12598 12599 if (systemActivities == null) { 12600 // the system package is not disabled; we're parsing the system partition 12601 if (isProtectedAction(intent)) { 12602 if (mDeferProtectedFilters) { 12603 // We can't deal with these just yet. No component should ever obtain a 12604 // >0 priority for a protected actions, with ONE exception -- the setup 12605 // wizard. The setup wizard, however, cannot be known until we're able to 12606 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12607 // until all intent filters have been processed. Chicken, meet egg. 12608 // Let the filter temporarily have a high priority and rectify the 12609 // priorities after all system packages have been scanned. 12610 mProtectedFilters.add(intent); 12611 if (DEBUG_FILTERS) { 12612 Slog.i(TAG, "Protected action; save for later;" 12613 + " package: " + applicationInfo.packageName 12614 + " activity: " + intent.activity.className 12615 + " origPrio: " + intent.getPriority()); 12616 } 12617 return; 12618 } else { 12619 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12620 Slog.i(TAG, "No setup wizard;" 12621 + " All protected intents capped to priority 0"); 12622 } 12623 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12624 if (DEBUG_FILTERS) { 12625 Slog.i(TAG, "Found setup wizard;" 12626 + " allow priority " + intent.getPriority() + ";" 12627 + " package: " + intent.activity.info.packageName 12628 + " activity: " + intent.activity.className 12629 + " priority: " + intent.getPriority()); 12630 } 12631 // setup wizard gets whatever it wants 12632 return; 12633 } 12634 if (DEBUG_FILTERS) { 12635 Slog.i(TAG, "Protected action; cap priority to 0;" 12636 + " package: " + intent.activity.info.packageName 12637 + " activity: " + intent.activity.className 12638 + " origPrio: " + intent.getPriority()); 12639 } 12640 intent.setPriority(0); 12641 return; 12642 } 12643 } 12644 // privileged apps on the system image get whatever priority they request 12645 return; 12646 } 12647 12648 // privileged app unbundled update ... try to find the same activity 12649 final PackageParser.Activity foundActivity = 12650 findMatchingActivity(systemActivities, activityInfo); 12651 if (foundActivity == null) { 12652 // this is a new activity; it cannot obtain >0 priority 12653 if (DEBUG_FILTERS) { 12654 Slog.i(TAG, "New activity; cap priority to 0;" 12655 + " package: " + applicationInfo.packageName 12656 + " activity: " + intent.activity.className 12657 + " origPrio: " + intent.getPriority()); 12658 } 12659 intent.setPriority(0); 12660 return; 12661 } 12662 12663 // found activity, now check for filter equivalence 12664 12665 // a shallow copy is enough; we modify the list, not its contents 12666 final List<ActivityIntentInfo> intentListCopy = 12667 new ArrayList<>(foundActivity.intents); 12668 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12669 12670 // find matching action subsets 12671 final Iterator<String> actionsIterator = intent.actionsIterator(); 12672 if (actionsIterator != null) { 12673 getIntentListSubset( 12674 intentListCopy, new ActionIterGenerator(), actionsIterator); 12675 if (intentListCopy.size() == 0) { 12676 // no more intents to match; we're not equivalent 12677 if (DEBUG_FILTERS) { 12678 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12679 + " package: " + applicationInfo.packageName 12680 + " activity: " + intent.activity.className 12681 + " origPrio: " + intent.getPriority()); 12682 } 12683 intent.setPriority(0); 12684 return; 12685 } 12686 } 12687 12688 // find matching category subsets 12689 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12690 if (categoriesIterator != null) { 12691 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12692 categoriesIterator); 12693 if (intentListCopy.size() == 0) { 12694 // no more intents to match; we're not equivalent 12695 if (DEBUG_FILTERS) { 12696 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12697 + " package: " + applicationInfo.packageName 12698 + " activity: " + intent.activity.className 12699 + " origPrio: " + intent.getPriority()); 12700 } 12701 intent.setPriority(0); 12702 return; 12703 } 12704 } 12705 12706 // find matching schemes subsets 12707 final Iterator<String> schemesIterator = intent.schemesIterator(); 12708 if (schemesIterator != null) { 12709 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12710 schemesIterator); 12711 if (intentListCopy.size() == 0) { 12712 // no more intents to match; we're not equivalent 12713 if (DEBUG_FILTERS) { 12714 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12715 + " package: " + applicationInfo.packageName 12716 + " activity: " + intent.activity.className 12717 + " origPrio: " + intent.getPriority()); 12718 } 12719 intent.setPriority(0); 12720 return; 12721 } 12722 } 12723 12724 // find matching authorities subsets 12725 final Iterator<IntentFilter.AuthorityEntry> 12726 authoritiesIterator = intent.authoritiesIterator(); 12727 if (authoritiesIterator != null) { 12728 getIntentListSubset(intentListCopy, 12729 new AuthoritiesIterGenerator(), 12730 authoritiesIterator); 12731 if (intentListCopy.size() == 0) { 12732 // no more intents to match; we're not equivalent 12733 if (DEBUG_FILTERS) { 12734 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12735 + " package: " + applicationInfo.packageName 12736 + " activity: " + intent.activity.className 12737 + " origPrio: " + intent.getPriority()); 12738 } 12739 intent.setPriority(0); 12740 return; 12741 } 12742 } 12743 12744 // we found matching filter(s); app gets the max priority of all intents 12745 int cappedPriority = 0; 12746 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12747 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12748 } 12749 if (intent.getPriority() > cappedPriority) { 12750 if (DEBUG_FILTERS) { 12751 Slog.i(TAG, "Found matching filter(s);" 12752 + " cap priority to " + cappedPriority + ";" 12753 + " package: " + applicationInfo.packageName 12754 + " activity: " + intent.activity.className 12755 + " origPrio: " + intent.getPriority()); 12756 } 12757 intent.setPriority(cappedPriority); 12758 return; 12759 } 12760 // all this for nothing; the requested priority was <= what was on the system 12761 } 12762 12763 public final void addActivity(PackageParser.Activity a, String type) { 12764 mActivities.put(a.getComponentName(), a); 12765 if (DEBUG_SHOW_INFO) 12766 Log.v( 12767 TAG, " " + type + " " + 12768 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12769 if (DEBUG_SHOW_INFO) 12770 Log.v(TAG, " Class=" + a.info.name); 12771 final int NI = a.intents.size(); 12772 for (int j=0; j<NI; j++) { 12773 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12774 if ("activity".equals(type)) { 12775 final PackageSetting ps = 12776 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12777 final List<PackageParser.Activity> systemActivities = 12778 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12779 adjustPriority(systemActivities, intent); 12780 } 12781 if (DEBUG_SHOW_INFO) { 12782 Log.v(TAG, " IntentFilter:"); 12783 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12784 } 12785 if (!intent.debugCheck()) { 12786 Log.w(TAG, "==> For Activity " + a.info.name); 12787 } 12788 addFilter(intent); 12789 } 12790 } 12791 12792 public final void removeActivity(PackageParser.Activity a, String type) { 12793 mActivities.remove(a.getComponentName()); 12794 if (DEBUG_SHOW_INFO) { 12795 Log.v(TAG, " " + type + " " 12796 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12797 : a.info.name) + ":"); 12798 Log.v(TAG, " Class=" + a.info.name); 12799 } 12800 final int NI = a.intents.size(); 12801 for (int j=0; j<NI; j++) { 12802 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12803 if (DEBUG_SHOW_INFO) { 12804 Log.v(TAG, " IntentFilter:"); 12805 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12806 } 12807 removeFilter(intent); 12808 } 12809 } 12810 12811 @Override 12812 protected boolean allowFilterResult( 12813 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12814 ActivityInfo filterAi = filter.activity.info; 12815 for (int i=dest.size()-1; i>=0; i--) { 12816 ActivityInfo destAi = dest.get(i).activityInfo; 12817 if (destAi.name == filterAi.name 12818 && destAi.packageName == filterAi.packageName) { 12819 return false; 12820 } 12821 } 12822 return true; 12823 } 12824 12825 @Override 12826 protected ActivityIntentInfo[] newArray(int size) { 12827 return new ActivityIntentInfo[size]; 12828 } 12829 12830 @Override 12831 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12832 if (!sUserManager.exists(userId)) return true; 12833 PackageParser.Package p = filter.activity.owner; 12834 if (p != null) { 12835 PackageSetting ps = (PackageSetting)p.mExtras; 12836 if (ps != null) { 12837 // System apps are never considered stopped for purposes of 12838 // filtering, because there may be no way for the user to 12839 // actually re-launch them. 12840 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12841 && ps.getStopped(userId); 12842 } 12843 } 12844 return false; 12845 } 12846 12847 @Override 12848 protected boolean isPackageForFilter(String packageName, 12849 PackageParser.ActivityIntentInfo info) { 12850 return packageName.equals(info.activity.owner.packageName); 12851 } 12852 12853 @Override 12854 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12855 int match, int userId) { 12856 if (!sUserManager.exists(userId)) return null; 12857 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12858 return null; 12859 } 12860 final PackageParser.Activity activity = info.activity; 12861 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12862 if (ps == null) { 12863 return null; 12864 } 12865 final PackageUserState userState = ps.readUserState(userId); 12866 ActivityInfo ai = 12867 PackageParser.generateActivityInfo(activity, mFlags, userState, userId); 12868 if (ai == null) { 12869 return null; 12870 } 12871 final boolean matchExplicitlyVisibleOnly = 12872 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 12873 final boolean matchVisibleToInstantApp = 12874 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12875 final boolean componentVisible = 12876 matchVisibleToInstantApp 12877 && info.isVisibleToInstantApp() 12878 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 12879 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12880 // throw out filters that aren't visible to ephemeral apps 12881 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 12882 return null; 12883 } 12884 // throw out instant app filters if we're not explicitly requesting them 12885 if (!matchInstantApp && userState.instantApp) { 12886 return null; 12887 } 12888 // throw out instant app filters if updates are available; will trigger 12889 // instant app resolution 12890 if (userState.instantApp && ps.isUpdateAvailable()) { 12891 return null; 12892 } 12893 final ResolveInfo res = new ResolveInfo(); 12894 res.activityInfo = ai; 12895 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12896 res.filter = info; 12897 } 12898 if (info != null) { 12899 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12900 } 12901 res.priority = info.getPriority(); 12902 res.preferredOrder = activity.owner.mPreferredOrder; 12903 //System.out.println("Result: " + res.activityInfo.className + 12904 // " = " + res.priority); 12905 res.match = match; 12906 res.isDefault = info.hasDefault; 12907 res.labelRes = info.labelRes; 12908 res.nonLocalizedLabel = info.nonLocalizedLabel; 12909 if (userNeedsBadging(userId)) { 12910 res.noResourceId = true; 12911 } else { 12912 res.icon = info.icon; 12913 } 12914 res.iconResourceId = info.icon; 12915 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12916 res.isInstantAppAvailable = userState.instantApp; 12917 return res; 12918 } 12919 12920 @Override 12921 protected void sortResults(List<ResolveInfo> results) { 12922 Collections.sort(results, mResolvePrioritySorter); 12923 } 12924 12925 @Override 12926 protected void dumpFilter(PrintWriter out, String prefix, 12927 PackageParser.ActivityIntentInfo filter) { 12928 out.print(prefix); out.print( 12929 Integer.toHexString(System.identityHashCode(filter.activity))); 12930 out.print(' '); 12931 filter.activity.printComponentShortName(out); 12932 out.print(" filter "); 12933 out.println(Integer.toHexString(System.identityHashCode(filter))); 12934 } 12935 12936 @Override 12937 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12938 return filter.activity; 12939 } 12940 12941 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12942 PackageParser.Activity activity = (PackageParser.Activity)label; 12943 out.print(prefix); out.print( 12944 Integer.toHexString(System.identityHashCode(activity))); 12945 out.print(' '); 12946 activity.printComponentShortName(out); 12947 if (count > 1) { 12948 out.print(" ("); out.print(count); out.print(" filters)"); 12949 } 12950 out.println(); 12951 } 12952 12953 // Keys are String (activity class name), values are Activity. 12954 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12955 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12956 private int mFlags; 12957 } 12958 12959 private final class ServiceIntentResolver 12960 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12961 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12962 boolean defaultOnly, int userId) { 12963 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12964 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12965 } 12966 12967 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12968 int userId) { 12969 if (!sUserManager.exists(userId)) return null; 12970 mFlags = flags; 12971 return super.queryIntent(intent, resolvedType, 12972 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12973 userId); 12974 } 12975 12976 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12977 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12978 if (!sUserManager.exists(userId)) return null; 12979 if (packageServices == null) { 12980 return null; 12981 } 12982 mFlags = flags; 12983 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12984 final int N = packageServices.size(); 12985 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12986 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12987 12988 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12989 for (int i = 0; i < N; ++i) { 12990 intentFilters = packageServices.get(i).intents; 12991 if (intentFilters != null && intentFilters.size() > 0) { 12992 PackageParser.ServiceIntentInfo[] array = 12993 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12994 intentFilters.toArray(array); 12995 listCut.add(array); 12996 } 12997 } 12998 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12999 } 13000 13001 public final void addService(PackageParser.Service s) { 13002 mServices.put(s.getComponentName(), s); 13003 if (DEBUG_SHOW_INFO) { 13004 Log.v(TAG, " " 13005 + (s.info.nonLocalizedLabel != null 13006 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 13007 Log.v(TAG, " Class=" + s.info.name); 13008 } 13009 final int NI = s.intents.size(); 13010 int j; 13011 for (j=0; j<NI; j++) { 13012 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 13013 if (DEBUG_SHOW_INFO) { 13014 Log.v(TAG, " IntentFilter:"); 13015 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13016 } 13017 if (!intent.debugCheck()) { 13018 Log.w(TAG, "==> For Service " + s.info.name); 13019 } 13020 addFilter(intent); 13021 } 13022 } 13023 13024 public final void removeService(PackageParser.Service s) { 13025 mServices.remove(s.getComponentName()); 13026 if (DEBUG_SHOW_INFO) { 13027 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 13028 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 13029 Log.v(TAG, " Class=" + s.info.name); 13030 } 13031 final int NI = s.intents.size(); 13032 int j; 13033 for (j=0; j<NI; j++) { 13034 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 13035 if (DEBUG_SHOW_INFO) { 13036 Log.v(TAG, " IntentFilter:"); 13037 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13038 } 13039 removeFilter(intent); 13040 } 13041 } 13042 13043 @Override 13044 protected boolean allowFilterResult( 13045 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 13046 ServiceInfo filterSi = filter.service.info; 13047 for (int i=dest.size()-1; i>=0; i--) { 13048 ServiceInfo destAi = dest.get(i).serviceInfo; 13049 if (destAi.name == filterSi.name 13050 && destAi.packageName == filterSi.packageName) { 13051 return false; 13052 } 13053 } 13054 return true; 13055 } 13056 13057 @Override 13058 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 13059 return new PackageParser.ServiceIntentInfo[size]; 13060 } 13061 13062 @Override 13063 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 13064 if (!sUserManager.exists(userId)) return true; 13065 PackageParser.Package p = filter.service.owner; 13066 if (p != null) { 13067 PackageSetting ps = (PackageSetting)p.mExtras; 13068 if (ps != null) { 13069 // System apps are never considered stopped for purposes of 13070 // filtering, because there may be no way for the user to 13071 // actually re-launch them. 13072 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13073 && ps.getStopped(userId); 13074 } 13075 } 13076 return false; 13077 } 13078 13079 @Override 13080 protected boolean isPackageForFilter(String packageName, 13081 PackageParser.ServiceIntentInfo info) { 13082 return packageName.equals(info.service.owner.packageName); 13083 } 13084 13085 @Override 13086 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 13087 int match, int userId) { 13088 if (!sUserManager.exists(userId)) return null; 13089 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 13090 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 13091 return null; 13092 } 13093 final PackageParser.Service service = info.service; 13094 PackageSetting ps = (PackageSetting) service.owner.mExtras; 13095 if (ps == null) { 13096 return null; 13097 } 13098 final PackageUserState userState = ps.readUserState(userId); 13099 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 13100 userState, userId); 13101 if (si == null) { 13102 return null; 13103 } 13104 final boolean matchVisibleToInstantApp = 13105 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13106 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13107 // throw out filters that aren't visible to ephemeral apps 13108 if (matchVisibleToInstantApp 13109 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13110 return null; 13111 } 13112 // throw out ephemeral filters if we're not explicitly requesting them 13113 if (!isInstantApp && userState.instantApp) { 13114 return null; 13115 } 13116 // throw out instant app filters if updates are available; will trigger 13117 // instant app resolution 13118 if (userState.instantApp && ps.isUpdateAvailable()) { 13119 return null; 13120 } 13121 final ResolveInfo res = new ResolveInfo(); 13122 res.serviceInfo = si; 13123 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 13124 res.filter = filter; 13125 } 13126 res.priority = info.getPriority(); 13127 res.preferredOrder = service.owner.mPreferredOrder; 13128 res.match = match; 13129 res.isDefault = info.hasDefault; 13130 res.labelRes = info.labelRes; 13131 res.nonLocalizedLabel = info.nonLocalizedLabel; 13132 res.icon = info.icon; 13133 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 13134 return res; 13135 } 13136 13137 @Override 13138 protected void sortResults(List<ResolveInfo> results) { 13139 Collections.sort(results, mResolvePrioritySorter); 13140 } 13141 13142 @Override 13143 protected void dumpFilter(PrintWriter out, String prefix, 13144 PackageParser.ServiceIntentInfo filter) { 13145 out.print(prefix); out.print( 13146 Integer.toHexString(System.identityHashCode(filter.service))); 13147 out.print(' '); 13148 filter.service.printComponentShortName(out); 13149 out.print(" filter "); 13150 out.print(Integer.toHexString(System.identityHashCode(filter))); 13151 if (filter.service.info.permission != null) { 13152 out.print(" permission "); out.println(filter.service.info.permission); 13153 } else { 13154 out.println(); 13155 } 13156 } 13157 13158 @Override 13159 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 13160 return filter.service; 13161 } 13162 13163 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13164 PackageParser.Service service = (PackageParser.Service)label; 13165 out.print(prefix); out.print( 13166 Integer.toHexString(System.identityHashCode(service))); 13167 out.print(' '); 13168 service.printComponentShortName(out); 13169 if (count > 1) { 13170 out.print(" ("); out.print(count); out.print(" filters)"); 13171 } 13172 out.println(); 13173 } 13174 13175 // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 13176 // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 13177 // final List<ResolveInfo> retList = Lists.newArrayList(); 13178 // while (i.hasNext()) { 13179 // final ResolveInfo resolveInfo = (ResolveInfo) i; 13180 // if (isEnabledLP(resolveInfo.serviceInfo)) { 13181 // retList.add(resolveInfo); 13182 // } 13183 // } 13184 // return retList; 13185 // } 13186 13187 // Keys are String (activity class name), values are Activity. 13188 private final ArrayMap<ComponentName, PackageParser.Service> mServices 13189 = new ArrayMap<ComponentName, PackageParser.Service>(); 13190 private int mFlags; 13191 } 13192 13193 private final class ProviderIntentResolver 13194 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 13195 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 13196 boolean defaultOnly, int userId) { 13197 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 13198 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 13199 } 13200 13201 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 13202 int userId) { 13203 if (!sUserManager.exists(userId)) 13204 return null; 13205 mFlags = flags; 13206 return super.queryIntent(intent, resolvedType, 13207 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 13208 userId); 13209 } 13210 13211 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 13212 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 13213 if (!sUserManager.exists(userId)) 13214 return null; 13215 if (packageProviders == null) { 13216 return null; 13217 } 13218 mFlags = flags; 13219 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 13220 final int N = packageProviders.size(); 13221 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 13222 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 13223 13224 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 13225 for (int i = 0; i < N; ++i) { 13226 intentFilters = packageProviders.get(i).intents; 13227 if (intentFilters != null && intentFilters.size() > 0) { 13228 PackageParser.ProviderIntentInfo[] array = 13229 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 13230 intentFilters.toArray(array); 13231 listCut.add(array); 13232 } 13233 } 13234 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 13235 } 13236 13237 public final void addProvider(PackageParser.Provider p) { 13238 if (mProviders.containsKey(p.getComponentName())) { 13239 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 13240 return; 13241 } 13242 13243 mProviders.put(p.getComponentName(), p); 13244 if (DEBUG_SHOW_INFO) { 13245 Log.v(TAG, " " 13246 + (p.info.nonLocalizedLabel != null 13247 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13248 Log.v(TAG, " Class=" + p.info.name); 13249 } 13250 final int NI = p.intents.size(); 13251 int j; 13252 for (j = 0; j < NI; j++) { 13253 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13254 if (DEBUG_SHOW_INFO) { 13255 Log.v(TAG, " IntentFilter:"); 13256 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13257 } 13258 if (!intent.debugCheck()) { 13259 Log.w(TAG, "==> For Provider " + p.info.name); 13260 } 13261 addFilter(intent); 13262 } 13263 } 13264 13265 public final void removeProvider(PackageParser.Provider p) { 13266 mProviders.remove(p.getComponentName()); 13267 if (DEBUG_SHOW_INFO) { 13268 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 13269 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13270 Log.v(TAG, " Class=" + p.info.name); 13271 } 13272 final int NI = p.intents.size(); 13273 int j; 13274 for (j = 0; j < NI; j++) { 13275 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13276 if (DEBUG_SHOW_INFO) { 13277 Log.v(TAG, " IntentFilter:"); 13278 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13279 } 13280 removeFilter(intent); 13281 } 13282 } 13283 13284 @Override 13285 protected boolean allowFilterResult( 13286 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 13287 ProviderInfo filterPi = filter.provider.info; 13288 for (int i = dest.size() - 1; i >= 0; i--) { 13289 ProviderInfo destPi = dest.get(i).providerInfo; 13290 if (destPi.name == filterPi.name 13291 && destPi.packageName == filterPi.packageName) { 13292 return false; 13293 } 13294 } 13295 return true; 13296 } 13297 13298 @Override 13299 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 13300 return new PackageParser.ProviderIntentInfo[size]; 13301 } 13302 13303 @Override 13304 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 13305 if (!sUserManager.exists(userId)) 13306 return true; 13307 PackageParser.Package p = filter.provider.owner; 13308 if (p != null) { 13309 PackageSetting ps = (PackageSetting) p.mExtras; 13310 if (ps != null) { 13311 // System apps are never considered stopped for purposes of 13312 // filtering, because there may be no way for the user to 13313 // actually re-launch them. 13314 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13315 && ps.getStopped(userId); 13316 } 13317 } 13318 return false; 13319 } 13320 13321 @Override 13322 protected boolean isPackageForFilter(String packageName, 13323 PackageParser.ProviderIntentInfo info) { 13324 return packageName.equals(info.provider.owner.packageName); 13325 } 13326 13327 @Override 13328 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 13329 int match, int userId) { 13330 if (!sUserManager.exists(userId)) 13331 return null; 13332 final PackageParser.ProviderIntentInfo info = filter; 13333 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 13334 return null; 13335 } 13336 final PackageParser.Provider provider = info.provider; 13337 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 13338 if (ps == null) { 13339 return null; 13340 } 13341 final PackageUserState userState = ps.readUserState(userId); 13342 final boolean matchVisibleToInstantApp = 13343 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13344 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13345 // throw out filters that aren't visible to instant applications 13346 if (matchVisibleToInstantApp 13347 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13348 return null; 13349 } 13350 // throw out instant application filters if we're not explicitly requesting them 13351 if (!isInstantApp && userState.instantApp) { 13352 return null; 13353 } 13354 // throw out instant application filters if updates are available; will trigger 13355 // instant application resolution 13356 if (userState.instantApp && ps.isUpdateAvailable()) { 13357 return null; 13358 } 13359 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 13360 userState, userId); 13361 if (pi == null) { 13362 return null; 13363 } 13364 final ResolveInfo res = new ResolveInfo(); 13365 res.providerInfo = pi; 13366 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 13367 res.filter = filter; 13368 } 13369 res.priority = info.getPriority(); 13370 res.preferredOrder = provider.owner.mPreferredOrder; 13371 res.match = match; 13372 res.isDefault = info.hasDefault; 13373 res.labelRes = info.labelRes; 13374 res.nonLocalizedLabel = info.nonLocalizedLabel; 13375 res.icon = info.icon; 13376 res.system = res.providerInfo.applicationInfo.isSystemApp(); 13377 return res; 13378 } 13379 13380 @Override 13381 protected void sortResults(List<ResolveInfo> results) { 13382 Collections.sort(results, mResolvePrioritySorter); 13383 } 13384 13385 @Override 13386 protected void dumpFilter(PrintWriter out, String prefix, 13387 PackageParser.ProviderIntentInfo filter) { 13388 out.print(prefix); 13389 out.print( 13390 Integer.toHexString(System.identityHashCode(filter.provider))); 13391 out.print(' '); 13392 filter.provider.printComponentShortName(out); 13393 out.print(" filter "); 13394 out.println(Integer.toHexString(System.identityHashCode(filter))); 13395 } 13396 13397 @Override 13398 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 13399 return filter.provider; 13400 } 13401 13402 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13403 PackageParser.Provider provider = (PackageParser.Provider)label; 13404 out.print(prefix); out.print( 13405 Integer.toHexString(System.identityHashCode(provider))); 13406 out.print(' '); 13407 provider.printComponentShortName(out); 13408 if (count > 1) { 13409 out.print(" ("); out.print(count); out.print(" filters)"); 13410 } 13411 out.println(); 13412 } 13413 13414 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 13415 = new ArrayMap<ComponentName, PackageParser.Provider>(); 13416 private int mFlags; 13417 } 13418 13419 static final class InstantAppIntentResolver 13420 extends IntentResolver<AuxiliaryResolveInfo.AuxiliaryFilter, 13421 AuxiliaryResolveInfo.AuxiliaryFilter> { 13422 /** 13423 * The result that has the highest defined order. Ordering applies on a 13424 * per-package basis. Mapping is from package name to Pair of order and 13425 * EphemeralResolveInfo. 13426 * <p> 13427 * NOTE: This is implemented as a field variable for convenience and efficiency. 13428 * By having a field variable, we're able to track filter ordering as soon as 13429 * a non-zero order is defined. Otherwise, multiple loops across the result set 13430 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 13431 * this needs to be contained entirely within {@link #filterResults}. 13432 */ 13433 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 13434 13435 @Override 13436 protected AuxiliaryResolveInfo.AuxiliaryFilter[] newArray(int size) { 13437 return new AuxiliaryResolveInfo.AuxiliaryFilter[size]; 13438 } 13439 13440 @Override 13441 protected boolean isPackageForFilter(String packageName, 13442 AuxiliaryResolveInfo.AuxiliaryFilter responseObj) { 13443 return true; 13444 } 13445 13446 @Override 13447 protected AuxiliaryResolveInfo.AuxiliaryFilter newResult( 13448 AuxiliaryResolveInfo.AuxiliaryFilter responseObj, int match, int userId) { 13449 if (!sUserManager.exists(userId)) { 13450 return null; 13451 } 13452 final String packageName = responseObj.resolveInfo.getPackageName(); 13453 final Integer order = responseObj.getOrder(); 13454 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 13455 mOrderResult.get(packageName); 13456 // ordering is enabled and this item's order isn't high enough 13457 if (lastOrderResult != null && lastOrderResult.first >= order) { 13458 return null; 13459 } 13460 final InstantAppResolveInfo res = responseObj.resolveInfo; 13461 if (order > 0) { 13462 // non-zero order, enable ordering 13463 mOrderResult.put(packageName, new Pair<>(order, res)); 13464 } 13465 return responseObj; 13466 } 13467 13468 @Override 13469 protected void filterResults(List<AuxiliaryResolveInfo.AuxiliaryFilter> results) { 13470 // only do work if ordering is enabled [most of the time it won't be] 13471 if (mOrderResult.size() == 0) { 13472 return; 13473 } 13474 int resultSize = results.size(); 13475 for (int i = 0; i < resultSize; i++) { 13476 final InstantAppResolveInfo info = results.get(i).resolveInfo; 13477 final String packageName = info.getPackageName(); 13478 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 13479 if (savedInfo == null) { 13480 // package doesn't having ordering 13481 continue; 13482 } 13483 if (savedInfo.second == info) { 13484 // circled back to the highest ordered item; remove from order list 13485 mOrderResult.remove(packageName); 13486 if (mOrderResult.size() == 0) { 13487 // no more ordered items 13488 break; 13489 } 13490 continue; 13491 } 13492 // item has a worse order, remove it from the result list 13493 results.remove(i); 13494 resultSize--; 13495 i--; 13496 } 13497 } 13498 } 13499 13500 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13501 new Comparator<ResolveInfo>() { 13502 public int compare(ResolveInfo r1, ResolveInfo r2) { 13503 int v1 = r1.priority; 13504 int v2 = r2.priority; 13505 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13506 if (v1 != v2) { 13507 return (v1 > v2) ? -1 : 1; 13508 } 13509 v1 = r1.preferredOrder; 13510 v2 = r2.preferredOrder; 13511 if (v1 != v2) { 13512 return (v1 > v2) ? -1 : 1; 13513 } 13514 if (r1.isDefault != r2.isDefault) { 13515 return r1.isDefault ? -1 : 1; 13516 } 13517 v1 = r1.match; 13518 v2 = r2.match; 13519 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13520 if (v1 != v2) { 13521 return (v1 > v2) ? -1 : 1; 13522 } 13523 if (r1.system != r2.system) { 13524 return r1.system ? -1 : 1; 13525 } 13526 if (r1.activityInfo != null) { 13527 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13528 } 13529 if (r1.serviceInfo != null) { 13530 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13531 } 13532 if (r1.providerInfo != null) { 13533 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13534 } 13535 return 0; 13536 } 13537 }; 13538 13539 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13540 new Comparator<ProviderInfo>() { 13541 public int compare(ProviderInfo p1, ProviderInfo p2) { 13542 final int v1 = p1.initOrder; 13543 final int v2 = p2.initOrder; 13544 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13545 } 13546 }; 13547 13548 @Override 13549 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13550 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13551 final int[] userIds, int[] instantUserIds) { 13552 mHandler.post(new Runnable() { 13553 @Override 13554 public void run() { 13555 try { 13556 final IActivityManager am = ActivityManager.getService(); 13557 if (am == null) return; 13558 final int[] resolvedUserIds; 13559 if (userIds == null) { 13560 resolvedUserIds = am.getRunningUserIds(); 13561 } else { 13562 resolvedUserIds = userIds; 13563 } 13564 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13565 resolvedUserIds, false); 13566 if (instantUserIds != null && instantUserIds != EMPTY_INT_ARRAY) { 13567 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13568 instantUserIds, true); 13569 } 13570 } catch (RemoteException ex) { 13571 } 13572 } 13573 }); 13574 } 13575 13576 @Override 13577 public void notifyPackageAdded(String packageName) { 13578 final PackageListObserver[] observers; 13579 synchronized (mPackages) { 13580 if (mPackageListObservers.size() == 0) { 13581 return; 13582 } 13583 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13584 } 13585 for (int i = observers.length - 1; i >= 0; --i) { 13586 observers[i].onPackageAdded(packageName); 13587 } 13588 } 13589 13590 @Override 13591 public void notifyPackageRemoved(String packageName) { 13592 final PackageListObserver[] observers; 13593 synchronized (mPackages) { 13594 if (mPackageListObservers.size() == 0) { 13595 return; 13596 } 13597 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13598 } 13599 for (int i = observers.length - 1; i >= 0; --i) { 13600 observers[i].onPackageRemoved(packageName); 13601 } 13602 } 13603 13604 /** 13605 * Sends a broadcast for the given action. 13606 * <p>If {@code isInstantApp} is {@code true}, then the broadcast is protected with 13607 * the {@link android.Manifest.permission#ACCESS_INSTANT_APPS} permission. This allows 13608 * the system and applications allowed to see instant applications to receive package 13609 * lifecycle events for instant applications. 13610 */ 13611 private void doSendBroadcast(IActivityManager am, String action, String pkg, Bundle extras, 13612 int flags, String targetPkg, IIntentReceiver finishedReceiver, 13613 int[] userIds, boolean isInstantApp) 13614 throws RemoteException { 13615 for (int id : userIds) { 13616 final Intent intent = new Intent(action, 13617 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13618 final String[] requiredPermissions = 13619 isInstantApp ? INSTANT_APP_BROADCAST_PERMISSION : null; 13620 if (extras != null) { 13621 intent.putExtras(extras); 13622 } 13623 if (targetPkg != null) { 13624 intent.setPackage(targetPkg); 13625 } 13626 // Modify the UID when posting to other users 13627 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13628 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13629 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13630 intent.putExtra(Intent.EXTRA_UID, uid); 13631 } 13632 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13633 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 13634 if (DEBUG_BROADCASTS) { 13635 RuntimeException here = new RuntimeException("here"); 13636 here.fillInStackTrace(); 13637 Slog.d(TAG, "Sending to user " + id + ": " 13638 + intent.toShortString(false, true, false, false) 13639 + " " + intent.getExtras(), here); 13640 } 13641 am.broadcastIntent(null, intent, null, finishedReceiver, 13642 0, null, null, requiredPermissions, android.app.AppOpsManager.OP_NONE, 13643 null, finishedReceiver != null, false, id); 13644 } 13645 } 13646 13647 /** 13648 * Check if the external storage media is available. This is true if there 13649 * is a mounted external storage medium or if the external storage is 13650 * emulated. 13651 */ 13652 private boolean isExternalMediaAvailable() { 13653 return mMediaMounted || Environment.isExternalStorageEmulated(); 13654 } 13655 13656 @Override 13657 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 13658 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13659 return null; 13660 } 13661 if (!isExternalMediaAvailable()) { 13662 // If the external storage is no longer mounted at this point, 13663 // the caller may not have been able to delete all of this 13664 // packages files and can not delete any more. Bail. 13665 return null; 13666 } 13667 synchronized (mPackages) { 13668 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13669 if (lastPackage != null) { 13670 pkgs.remove(lastPackage); 13671 } 13672 if (pkgs.size() > 0) { 13673 return pkgs.get(0); 13674 } 13675 } 13676 return null; 13677 } 13678 13679 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13680 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13681 userId, andCode ? 1 : 0, packageName); 13682 if (mSystemReady) { 13683 msg.sendToTarget(); 13684 } else { 13685 if (mPostSystemReadyMessages == null) { 13686 mPostSystemReadyMessages = new ArrayList<>(); 13687 } 13688 mPostSystemReadyMessages.add(msg); 13689 } 13690 } 13691 13692 void startCleaningPackages() { 13693 // reader 13694 if (!isExternalMediaAvailable()) { 13695 return; 13696 } 13697 synchronized (mPackages) { 13698 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13699 return; 13700 } 13701 } 13702 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13703 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13704 IActivityManager am = ActivityManager.getService(); 13705 if (am != null) { 13706 int dcsUid = -1; 13707 synchronized (mPackages) { 13708 if (!mDefaultContainerWhitelisted) { 13709 mDefaultContainerWhitelisted = true; 13710 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 13711 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 13712 } 13713 } 13714 try { 13715 if (dcsUid > 0) { 13716 am.backgroundWhitelistUid(dcsUid); 13717 } 13718 am.startService(null, intent, null, false, mContext.getOpPackageName(), 13719 UserHandle.USER_SYSTEM); 13720 } catch (RemoteException e) { 13721 } 13722 } 13723 } 13724 13725 /** 13726 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13727 * it is acting on behalf on an enterprise or the user). 13728 * 13729 * Note that the ordering of the conditionals in this method is important. The checks we perform 13730 * are as follows, in this order: 13731 * 13732 * 1) If the install is being performed by a system app, we can trust the app to have set the 13733 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13734 * what it is. 13735 * 2) If the install is being performed by a device or profile owner app, the install reason 13736 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13737 * set the install reason correctly. If the app targets an older SDK version where install 13738 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13739 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13740 * 3) In all other cases, the install is being performed by a regular app that is neither part 13741 * of the system nor a device or profile owner. We have no reason to believe that this app is 13742 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13743 * set to enterprise policy and if so, change it to unknown instead. 13744 */ 13745 private int fixUpInstallReason(String installerPackageName, int installerUid, 13746 int installReason) { 13747 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13748 == PERMISSION_GRANTED) { 13749 // If the install is being performed by a system app, we trust that app to have set the 13750 // install reason correctly. 13751 return installReason; 13752 } 13753 final String ownerPackage = mProtectedPackages.getDeviceOwnerOrProfileOwnerPackage( 13754 UserHandle.getUserId(installerUid)); 13755 if (ownerPackage != null && ownerPackage.equals(installerPackageName)) { 13756 // If the install is being performed by a device or profile owner, the install 13757 // reason should be enterprise policy. 13758 return PackageManager.INSTALL_REASON_POLICY; 13759 } 13760 13761 13762 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13763 // If the install is being performed by a regular app (i.e. neither system app nor 13764 // device or profile owner), we have no reason to believe that the app is acting on 13765 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13766 // change it to unknown instead. 13767 return PackageManager.INSTALL_REASON_UNKNOWN; 13768 } 13769 13770 // If the install is being performed by a regular app and the install reason was set to any 13771 // value but enterprise policy, leave the install reason unchanged. 13772 return installReason; 13773 } 13774 13775 /** 13776 * Attempts to bind to the default container service explicitly instead of doing so lazily on 13777 * install commit. 13778 */ 13779 void earlyBindToDefContainer() { 13780 mHandler.sendMessage(mHandler.obtainMessage(DEF_CONTAINER_BIND)); 13781 } 13782 13783 void installStage(String packageName, File stagedDir, 13784 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13785 String installerPackageName, int installerUid, UserHandle user, 13786 PackageParser.SigningDetails signingDetails) { 13787 if (DEBUG_INSTANT) { 13788 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13789 Slog.d(TAG, "Ephemeral install of " + packageName); 13790 } 13791 } 13792 final VerificationInfo verificationInfo = new VerificationInfo( 13793 sessionParams.originatingUri, sessionParams.referrerUri, 13794 sessionParams.originatingUid, installerUid); 13795 13796 final OriginInfo origin = OriginInfo.fromStagedFile(stagedDir); 13797 13798 final Message msg = mHandler.obtainMessage(INIT_COPY); 13799 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13800 sessionParams.installReason); 13801 final InstallParams params = new InstallParams(origin, null, observer, 13802 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13803 verificationInfo, user, sessionParams.abiOverride, 13804 sessionParams.grantedRuntimePermissions, signingDetails, installReason); 13805 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13806 msg.obj = params; 13807 13808 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13809 System.identityHashCode(msg.obj)); 13810 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13811 System.identityHashCode(msg.obj)); 13812 13813 mHandler.sendMessage(msg); 13814 } 13815 13816 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13817 int userId) { 13818 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13819 final boolean isInstantApp = pkgSetting.getInstantApp(userId); 13820 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 13821 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 13822 sendPackageAddedForNewUsers(packageName, isSystem /*sendBootCompleted*/, 13823 false /*startReceiver*/, pkgSetting.appId, userIds, instantUserIds); 13824 13825 // Send a session commit broadcast 13826 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 13827 info.installReason = pkgSetting.getInstallReason(userId); 13828 info.appPackageName = packageName; 13829 sendSessionCommitBroadcast(info, userId); 13830 } 13831 13832 @Override 13833 public void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 13834 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds) { 13835 if (ArrayUtils.isEmpty(userIds) && ArrayUtils.isEmpty(instantUserIds)) { 13836 return; 13837 } 13838 Bundle extras = new Bundle(1); 13839 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13840 final int uid = UserHandle.getUid( 13841 (ArrayUtils.isEmpty(userIds) ? instantUserIds[0] : userIds[0]), appId); 13842 extras.putInt(Intent.EXTRA_UID, uid); 13843 13844 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13845 packageName, extras, 0, null, null, userIds, instantUserIds); 13846 if (sendBootCompleted && !ArrayUtils.isEmpty(userIds)) { 13847 mHandler.post(() -> { 13848 for (int userId : userIds) { 13849 sendBootCompletedBroadcastToSystemApp( 13850 packageName, includeStopped, userId); 13851 } 13852 } 13853 ); 13854 } 13855 } 13856 13857 /** 13858 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13859 * automatically without needing an explicit launch. 13860 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13861 */ 13862 private void sendBootCompletedBroadcastToSystemApp(String packageName, boolean includeStopped, 13863 int userId) { 13864 // If user is not running, the app didn't miss any broadcast 13865 if (!mUserManagerInternal.isUserRunning(userId)) { 13866 return; 13867 } 13868 final IActivityManager am = ActivityManager.getService(); 13869 try { 13870 // Deliver LOCKED_BOOT_COMPLETED first 13871 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13872 .setPackage(packageName); 13873 if (includeStopped) { 13874 lockedBcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13875 } 13876 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13877 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13878 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13879 13880 // Deliver BOOT_COMPLETED only if user is unlocked 13881 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13882 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13883 if (includeStopped) { 13884 bcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13885 } 13886 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13887 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13888 } 13889 } catch (RemoteException e) { 13890 throw e.rethrowFromSystemServer(); 13891 } 13892 } 13893 13894 @Override 13895 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13896 int userId) { 13897 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13898 PackageSetting pkgSetting; 13899 final int callingUid = Binder.getCallingUid(); 13900 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13901 true /* requireFullPermission */, true /* checkShell */, 13902 "setApplicationHiddenSetting for user " + userId); 13903 13904 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13905 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13906 return false; 13907 } 13908 13909 long callingId = Binder.clearCallingIdentity(); 13910 try { 13911 boolean sendAdded = false; 13912 boolean sendRemoved = false; 13913 // writer 13914 synchronized (mPackages) { 13915 pkgSetting = mSettings.mPackages.get(packageName); 13916 if (pkgSetting == null) { 13917 return false; 13918 } 13919 if (filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13920 return false; 13921 } 13922 // Do not allow "android" is being disabled 13923 if ("android".equals(packageName)) { 13924 Slog.w(TAG, "Cannot hide package: android"); 13925 return false; 13926 } 13927 // Cannot hide static shared libs as they are considered 13928 // a part of the using app (emulating static linking). Also 13929 // static libs are installed always on internal storage. 13930 PackageParser.Package pkg = mPackages.get(packageName); 13931 if (pkg != null && pkg.staticSharedLibName != null) { 13932 Slog.w(TAG, "Cannot hide package: " + packageName 13933 + " providing static shared library: " 13934 + pkg.staticSharedLibName); 13935 return false; 13936 } 13937 // Only allow protected packages to hide themselves. 13938 if (hidden && !UserHandle.isSameApp(callingUid, pkgSetting.appId) 13939 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13940 Slog.w(TAG, "Not hiding protected package: " + packageName); 13941 return false; 13942 } 13943 13944 if (pkgSetting.getHidden(userId) != hidden) { 13945 pkgSetting.setHidden(hidden, userId); 13946 mSettings.writePackageRestrictionsLPr(userId); 13947 if (hidden) { 13948 sendRemoved = true; 13949 } else { 13950 sendAdded = true; 13951 } 13952 } 13953 } 13954 if (sendAdded) { 13955 sendPackageAddedForUser(packageName, pkgSetting, userId); 13956 return true; 13957 } 13958 if (sendRemoved) { 13959 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13960 "hiding pkg"); 13961 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13962 return true; 13963 } 13964 } finally { 13965 Binder.restoreCallingIdentity(callingId); 13966 } 13967 return false; 13968 } 13969 13970 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13971 int userId) { 13972 final PackageRemovedInfo info = new PackageRemovedInfo(this); 13973 info.removedPackage = packageName; 13974 info.installerPackageName = pkgSetting.installerPackageName; 13975 info.removedUsers = new int[] {userId}; 13976 info.broadcastUsers = new int[] {userId}; 13977 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13978 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13979 } 13980 13981 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended, 13982 PersistableBundle launcherExtras) { 13983 if (pkgList.length > 0) { 13984 Bundle extras = new Bundle(1); 13985 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13986 if (launcherExtras != null) { 13987 extras.putBundle(Intent.EXTRA_LAUNCHER_EXTRAS, 13988 new Bundle(launcherExtras.deepCopy())); 13989 } 13990 sendPackageBroadcast( 13991 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13992 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13993 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13994 new int[] {userId}, null); 13995 } 13996 } 13997 13998 /** 13999 * Returns true if application is not found or there was an error. Otherwise it returns 14000 * the hidden state of the package for the given user. 14001 */ 14002 @Override 14003 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 14004 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14005 final int callingUid = Binder.getCallingUid(); 14006 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 14007 true /* requireFullPermission */, false /* checkShell */, 14008 "getApplicationHidden for user " + userId); 14009 PackageSetting ps; 14010 long callingId = Binder.clearCallingIdentity(); 14011 try { 14012 // writer 14013 synchronized (mPackages) { 14014 ps = mSettings.mPackages.get(packageName); 14015 if (ps == null) { 14016 return true; 14017 } 14018 if (filterAppAccessLPr(ps, callingUid, userId)) { 14019 return true; 14020 } 14021 return ps.getHidden(userId); 14022 } 14023 } finally { 14024 Binder.restoreCallingIdentity(callingId); 14025 } 14026 } 14027 14028 /** 14029 * @hide 14030 */ 14031 @Override 14032 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 14033 int installReason) { 14034 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 14035 null); 14036 PackageSetting pkgSetting; 14037 final int callingUid = Binder.getCallingUid(); 14038 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 14039 true /* requireFullPermission */, true /* checkShell */, 14040 "installExistingPackage for user " + userId); 14041 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 14042 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 14043 } 14044 14045 long callingId = Binder.clearCallingIdentity(); 14046 try { 14047 boolean installed = false; 14048 final boolean instantApp = 14049 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14050 final boolean fullApp = 14051 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 14052 14053 // writer 14054 synchronized (mPackages) { 14055 pkgSetting = mSettings.mPackages.get(packageName); 14056 if (pkgSetting == null) { 14057 return PackageManager.INSTALL_FAILED_INVALID_URI; 14058 } 14059 if (!canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) { 14060 // only allow the existing package to be used if it's installed as a full 14061 // application for at least one user 14062 boolean installAllowed = false; 14063 for (int checkUserId : sUserManager.getUserIds()) { 14064 installAllowed = !pkgSetting.getInstantApp(checkUserId); 14065 if (installAllowed) { 14066 break; 14067 } 14068 } 14069 if (!installAllowed) { 14070 return PackageManager.INSTALL_FAILED_INVALID_URI; 14071 } 14072 } 14073 if (!pkgSetting.getInstalled(userId)) { 14074 pkgSetting.setInstalled(true, userId); 14075 pkgSetting.setHidden(false, userId); 14076 pkgSetting.setInstallReason(installReason, userId); 14077 mSettings.writePackageRestrictionsLPr(userId); 14078 mSettings.writeKernelMappingLPr(pkgSetting); 14079 installed = true; 14080 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14081 // upgrade app from instant to full; we don't allow app downgrade 14082 installed = true; 14083 } 14084 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 14085 } 14086 14087 if (installed) { 14088 if (pkgSetting.pkg != null) { 14089 synchronized (mInstallLock) { 14090 // We don't need to freeze for a brand new install 14091 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 14092 } 14093 } 14094 sendPackageAddedForUser(packageName, pkgSetting, userId); 14095 synchronized (mPackages) { 14096 updateSequenceNumberLP(pkgSetting, new int[]{ userId }); 14097 } 14098 } 14099 } finally { 14100 Binder.restoreCallingIdentity(callingId); 14101 } 14102 14103 return PackageManager.INSTALL_SUCCEEDED; 14104 } 14105 14106 static void setInstantAppForUser(PackageSetting pkgSetting, int userId, 14107 boolean instantApp, boolean fullApp) { 14108 // no state specified; do nothing 14109 if (!instantApp && !fullApp) { 14110 return; 14111 } 14112 if (userId != UserHandle.USER_ALL) { 14113 if (instantApp && !pkgSetting.getInstantApp(userId)) { 14114 pkgSetting.setInstantApp(true /*instantApp*/, userId); 14115 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14116 pkgSetting.setInstantApp(false /*instantApp*/, userId); 14117 } 14118 } else { 14119 for (int currentUserId : sUserManager.getUserIds()) { 14120 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 14121 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 14122 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 14123 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 14124 } 14125 } 14126 } 14127 } 14128 14129 boolean isUserRestricted(int userId, String restrictionKey) { 14130 Bundle restrictions = sUserManager.getUserRestrictions(userId); 14131 if (restrictions.getBoolean(restrictionKey, false)) { 14132 Log.w(TAG, "User is restricted: " + restrictionKey); 14133 return true; 14134 } 14135 return false; 14136 } 14137 14138 @Override 14139 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 14140 PersistableBundle appExtras, PersistableBundle launcherExtras, String dialogMessage, 14141 String callingPackage, int userId) { 14142 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SUSPEND_APPS, 14143 "setPackagesSuspendedAsUser"); 14144 14145 final int callingUid = Binder.getCallingUid(); 14146 if (callingUid != Process.ROOT_UID && callingUid != Process.SYSTEM_UID 14147 && getPackageUid(callingPackage, 0, userId) != callingUid) { 14148 throw new SecurityException("Calling package " + callingPackage + " in user " 14149 + userId + " does not belong to calling uid " + callingUid); 14150 } 14151 if (!PLATFORM_PACKAGE_NAME.equals(callingPackage) 14152 && mProtectedPackages.getDeviceOwnerOrProfileOwnerPackage(userId) != null) { 14153 throw new UnsupportedOperationException("Cannot suspend/unsuspend packages. User " 14154 + userId + " has an active DO or PO"); 14155 } 14156 if (ArrayUtils.isEmpty(packageNames)) { 14157 return packageNames; 14158 } 14159 14160 final List<String> changedPackagesList = new ArrayList<>(packageNames.length); 14161 final List<String> unactionedPackages = new ArrayList<>(packageNames.length); 14162 final long callingId = Binder.clearCallingIdentity(); 14163 try { 14164 synchronized (mPackages) { 14165 for (int i = 0; i < packageNames.length; i++) { 14166 final String packageName = packageNames[i]; 14167 if (callingPackage.equals(packageName)) { 14168 Slog.w(TAG, "Calling package: " + callingPackage + " trying to " 14169 + (suspended ? "" : "un") + "suspend itself. Ignoring"); 14170 unactionedPackages.add(packageName); 14171 continue; 14172 } 14173 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 14174 if (pkgSetting == null 14175 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 14176 Slog.w(TAG, "Could not find package setting for package: " + packageName 14177 + ". Skipping suspending/un-suspending."); 14178 unactionedPackages.add(packageName); 14179 continue; 14180 } 14181 if (suspended && !canSuspendPackageForUserLocked(packageName, userId)) { 14182 unactionedPackages.add(packageName); 14183 continue; 14184 } 14185 pkgSetting.setSuspended(suspended, callingPackage, dialogMessage, appExtras, 14186 launcherExtras, userId); 14187 changedPackagesList.add(packageName); 14188 } 14189 } 14190 } finally { 14191 Binder.restoreCallingIdentity(callingId); 14192 } 14193 if (!changedPackagesList.isEmpty()) { 14194 final String[] changedPackages = changedPackagesList.toArray( 14195 new String[changedPackagesList.size()]); 14196 sendPackagesSuspendedForUser(changedPackages, userId, suspended, launcherExtras); 14197 sendMyPackageSuspendedOrUnsuspended(changedPackages, suspended, appExtras, userId); 14198 synchronized (mPackages) { 14199 scheduleWritePackageRestrictionsLocked(userId); 14200 } 14201 } 14202 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 14203 } 14204 14205 @Override 14206 public PersistableBundle getSuspendedPackageAppExtras(String packageName, int userId) { 14207 final int callingUid = Binder.getCallingUid(); 14208 if (getPackageUid(packageName, 0, userId) != callingUid) { 14209 throw new SecurityException("Calling package " + packageName 14210 + " does not belong to calling uid " + callingUid); 14211 } 14212 synchronized (mPackages) { 14213 final PackageSetting ps = mSettings.mPackages.get(packageName); 14214 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 14215 throw new IllegalArgumentException("Unknown target package: " + packageName); 14216 } 14217 final PackageUserState packageUserState = ps.readUserState(userId); 14218 if (packageUserState.suspended) { 14219 return packageUserState.suspendedAppExtras; 14220 } 14221 return null; 14222 } 14223 } 14224 14225 private void sendMyPackageSuspendedOrUnsuspended(String[] affectedPackages, boolean suspended, 14226 PersistableBundle appExtras, int userId) { 14227 final String action; 14228 final Bundle intentExtras = new Bundle(); 14229 if (suspended) { 14230 action = Intent.ACTION_MY_PACKAGE_SUSPENDED; 14231 if (appExtras != null) { 14232 final Bundle bundledAppExtras = new Bundle(appExtras.deepCopy()); 14233 intentExtras.putBundle(Intent.EXTRA_SUSPENDED_PACKAGE_EXTRAS, bundledAppExtras); 14234 } 14235 } else { 14236 action = Intent.ACTION_MY_PACKAGE_UNSUSPENDED; 14237 } 14238 mHandler.post(new Runnable() { 14239 @Override 14240 public void run() { 14241 try { 14242 final IActivityManager am = ActivityManager.getService(); 14243 if (am == null) { 14244 Slog.wtf(TAG, "IActivityManager null. Cannot send MY_PACKAGE_ " 14245 + (suspended ? "" : "UN") + "SUSPENDED broadcasts"); 14246 return; 14247 } 14248 final int[] targetUserIds = new int[] {userId}; 14249 for (String packageName : affectedPackages) { 14250 doSendBroadcast(am, action, null, intentExtras, 14251 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, packageName, null, 14252 targetUserIds, false); 14253 } 14254 } catch (RemoteException ex) { 14255 // Shouldn't happen as AMS is in the same process. 14256 } 14257 } 14258 }); 14259 } 14260 14261 @Override 14262 public boolean isPackageSuspendedForUser(String packageName, int userId) { 14263 final int callingUid = Binder.getCallingUid(); 14264 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 14265 true /* requireFullPermission */, false /* checkShell */, 14266 "isPackageSuspendedForUser for user " + userId); 14267 synchronized (mPackages) { 14268 final PackageSetting ps = mSettings.mPackages.get(packageName); 14269 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 14270 throw new IllegalArgumentException("Unknown target package: " + packageName); 14271 } 14272 return ps.getSuspended(userId); 14273 } 14274 } 14275 14276 /** 14277 * Immediately unsuspends any packages suspended by the given package. To be called 14278 * when such a package's data is cleared or it is removed from the device. 14279 * 14280 * <p><b>Should not be used on a frequent code path</b> as it flushes state to disk 14281 * synchronously 14282 * 14283 * @param packageName The package holding {@link Manifest.permission#SUSPEND_APPS} permission 14284 * @param affectedUser The user for which the changes are taking place. 14285 */ 14286 void unsuspendForSuspendingPackage(final String packageName, int affectedUser) { 14287 final int[] userIds = (affectedUser == UserHandle.USER_ALL) ? sUserManager.getUserIds() 14288 : new int[] {affectedUser}; 14289 for (int userId : userIds) { 14290 unsuspendForSuspendingPackages(packageName::equals, userId); 14291 } 14292 } 14293 14294 /** 14295 * Immediately unsuspends any packages in the given users not suspended by the platform or root. 14296 * To be called when a profile owner or a device owner is added. 14297 * 14298 * <p><b>Should not be used on a frequent code path</b> as it flushes state to disk 14299 * synchronously 14300 * 14301 * @param userIds The users for which to unsuspend packages 14302 */ 14303 void unsuspendForNonSystemSuspendingPackages(ArraySet<Integer> userIds) { 14304 final int sz = userIds.size(); 14305 for (int i = 0; i < sz; i++) { 14306 unsuspendForSuspendingPackages( 14307 (suspendingPackage) -> !PLATFORM_PACKAGE_NAME.equals(suspendingPackage), 14308 userIds.valueAt(i)); 14309 } 14310 } 14311 14312 private void unsuspendForSuspendingPackages(Predicate<String> packagePredicate, int userId) { 14313 final List<String> affectedPackages = new ArrayList<>(); 14314 synchronized (mPackages) { 14315 for (PackageSetting ps : mSettings.mPackages.values()) { 14316 final PackageUserState pus = ps.readUserState(userId); 14317 if (pus.suspended && packagePredicate.test(pus.suspendingPackage)) { 14318 ps.setSuspended(false, null, null, null, null, userId); 14319 affectedPackages.add(ps.name); 14320 } 14321 } 14322 } 14323 if (!affectedPackages.isEmpty()) { 14324 final String[] packageArray = affectedPackages.toArray( 14325 new String[affectedPackages.size()]); 14326 sendMyPackageSuspendedOrUnsuspended(packageArray, false, null, userId); 14327 sendPackagesSuspendedForUser(packageArray, userId, false, null); 14328 // Write package restrictions immediately to avoid an inconsistent state. 14329 mSettings.writePackageRestrictionsLPr(userId); 14330 } 14331 } 14332 14333 @GuardedBy("mPackages") 14334 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 14335 if (isPackageDeviceAdmin(packageName, userId)) { 14336 Slog.w(TAG, "Cannot suspend package \"" + packageName 14337 + "\": has an active device admin"); 14338 return false; 14339 } 14340 14341 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 14342 if (packageName.equals(activeLauncherPackageName)) { 14343 Slog.w(TAG, "Cannot suspend package \"" + packageName 14344 + "\": contains the active launcher"); 14345 return false; 14346 } 14347 14348 if (packageName.equals(mRequiredInstallerPackage)) { 14349 Slog.w(TAG, "Cannot suspend package \"" + packageName 14350 + "\": required for package installation"); 14351 return false; 14352 } 14353 14354 if (packageName.equals(mRequiredUninstallerPackage)) { 14355 Slog.w(TAG, "Cannot suspend package \"" + packageName 14356 + "\": required for package uninstallation"); 14357 return false; 14358 } 14359 14360 if (packageName.equals(mRequiredVerifierPackage)) { 14361 Slog.w(TAG, "Cannot suspend package \"" + packageName 14362 + "\": required for package verification"); 14363 return false; 14364 } 14365 14366 if (packageName.equals(getDefaultDialerPackageName(userId))) { 14367 Slog.w(TAG, "Cannot suspend package \"" + packageName 14368 + "\": is the default dialer"); 14369 return false; 14370 } 14371 14372 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 14373 Slog.w(TAG, "Cannot suspend package \"" + packageName 14374 + "\": protected package"); 14375 return false; 14376 } 14377 14378 // Cannot suspend static shared libs as they are considered 14379 // a part of the using app (emulating static linking). Also 14380 // static libs are installed always on internal storage. 14381 PackageParser.Package pkg = mPackages.get(packageName); 14382 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 14383 Slog.w(TAG, "Cannot suspend package: " + packageName 14384 + " providing static shared library: " 14385 + pkg.staticSharedLibName); 14386 return false; 14387 } 14388 14389 if (PLATFORM_PACKAGE_NAME.equals(packageName)) { 14390 Slog.w(TAG, "Cannot suspend package: " + packageName); 14391 return false; 14392 } 14393 14394 return true; 14395 } 14396 14397 private String getActiveLauncherPackageName(int userId) { 14398 Intent intent = new Intent(Intent.ACTION_MAIN); 14399 intent.addCategory(Intent.CATEGORY_HOME); 14400 ResolveInfo resolveInfo = resolveIntent( 14401 intent, 14402 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 14403 PackageManager.MATCH_DEFAULT_ONLY, 14404 userId); 14405 14406 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 14407 } 14408 14409 private String getDefaultDialerPackageName(int userId) { 14410 synchronized (mPackages) { 14411 return mSettings.getDefaultDialerPackageNameLPw(userId); 14412 } 14413 } 14414 14415 @Override 14416 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 14417 mContext.enforceCallingOrSelfPermission( 14418 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14419 "Only package verification agents can verify applications"); 14420 14421 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14422 final PackageVerificationResponse response = new PackageVerificationResponse( 14423 verificationCode, Binder.getCallingUid()); 14424 msg.arg1 = id; 14425 msg.obj = response; 14426 mHandler.sendMessage(msg); 14427 } 14428 14429 @Override 14430 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 14431 long millisecondsToDelay) { 14432 mContext.enforceCallingOrSelfPermission( 14433 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14434 "Only package verification agents can extend verification timeouts"); 14435 14436 final PackageVerificationState state = mPendingVerification.get(id); 14437 final PackageVerificationResponse response = new PackageVerificationResponse( 14438 verificationCodeAtTimeout, Binder.getCallingUid()); 14439 14440 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 14441 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 14442 } 14443 if (millisecondsToDelay < 0) { 14444 millisecondsToDelay = 0; 14445 } 14446 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 14447 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 14448 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 14449 } 14450 14451 if ((state != null) && !state.timeoutExtended()) { 14452 state.extendTimeout(); 14453 14454 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14455 msg.arg1 = id; 14456 msg.obj = response; 14457 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 14458 } 14459 } 14460 14461 private void broadcastPackageVerified(int verificationId, Uri packageUri, 14462 int verificationCode, UserHandle user) { 14463 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 14464 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 14465 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14466 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14467 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 14468 14469 mContext.sendBroadcastAsUser(intent, user, 14470 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 14471 } 14472 14473 private ComponentName matchComponentForVerifier(String packageName, 14474 List<ResolveInfo> receivers) { 14475 ActivityInfo targetReceiver = null; 14476 14477 final int NR = receivers.size(); 14478 for (int i = 0; i < NR; i++) { 14479 final ResolveInfo info = receivers.get(i); 14480 if (info.activityInfo == null) { 14481 continue; 14482 } 14483 14484 if (packageName.equals(info.activityInfo.packageName)) { 14485 targetReceiver = info.activityInfo; 14486 break; 14487 } 14488 } 14489 14490 if (targetReceiver == null) { 14491 return null; 14492 } 14493 14494 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 14495 } 14496 14497 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 14498 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 14499 if (pkgInfo.verifiers.length == 0) { 14500 return null; 14501 } 14502 14503 final int N = pkgInfo.verifiers.length; 14504 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 14505 for (int i = 0; i < N; i++) { 14506 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 14507 14508 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 14509 receivers); 14510 if (comp == null) { 14511 continue; 14512 } 14513 14514 final int verifierUid = getUidForVerifier(verifierInfo); 14515 if (verifierUid == -1) { 14516 continue; 14517 } 14518 14519 if (DEBUG_VERIFY) { 14520 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 14521 + " with the correct signature"); 14522 } 14523 sufficientVerifiers.add(comp); 14524 verificationState.addSufficientVerifier(verifierUid); 14525 } 14526 14527 return sufficientVerifiers; 14528 } 14529 14530 private int getUidForVerifier(VerifierInfo verifierInfo) { 14531 synchronized (mPackages) { 14532 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 14533 if (pkg == null) { 14534 return -1; 14535 } else if (pkg.mSigningDetails.signatures.length != 1) { 14536 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14537 + " has more than one signature; ignoring"); 14538 return -1; 14539 } 14540 14541 /* 14542 * If the public key of the package's signature does not match 14543 * our expected public key, then this is a different package and 14544 * we should skip. 14545 */ 14546 14547 final byte[] expectedPublicKey; 14548 try { 14549 final Signature verifierSig = pkg.mSigningDetails.signatures[0]; 14550 final PublicKey publicKey = verifierSig.getPublicKey(); 14551 expectedPublicKey = publicKey.getEncoded(); 14552 } catch (CertificateException e) { 14553 return -1; 14554 } 14555 14556 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 14557 14558 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 14559 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14560 + " does not have the expected public key; ignoring"); 14561 return -1; 14562 } 14563 14564 return pkg.applicationInfo.uid; 14565 } 14566 } 14567 14568 @Override 14569 public void finishPackageInstall(int token, boolean didLaunch) { 14570 enforceSystemOrRoot("Only the system is allowed to finish installs"); 14571 14572 if (DEBUG_INSTALL) { 14573 Slog.v(TAG, "BM finishing package install for " + token); 14574 } 14575 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14576 14577 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 14578 mHandler.sendMessage(msg); 14579 } 14580 14581 /** 14582 * Get the verification agent timeout. Used for both the APK verifier and the 14583 * intent filter verifier. 14584 * 14585 * @return verification timeout in milliseconds 14586 */ 14587 private long getVerificationTimeout() { 14588 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 14589 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 14590 DEFAULT_VERIFICATION_TIMEOUT); 14591 } 14592 14593 /** 14594 * Get the default verification agent response code. 14595 * 14596 * @return default verification response code 14597 */ 14598 private int getDefaultVerificationResponse(UserHandle user) { 14599 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 14600 return PackageManager.VERIFICATION_REJECT; 14601 } 14602 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14603 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 14604 DEFAULT_VERIFICATION_RESPONSE); 14605 } 14606 14607 /** 14608 * Check whether or not package verification has been enabled. 14609 * 14610 * @return true if verification should be performed 14611 */ 14612 private boolean isVerificationEnabled(int userId, int installFlags, int installerUid) { 14613 if (!DEFAULT_VERIFY_ENABLE) { 14614 return false; 14615 } 14616 14617 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14618 14619 // Check if installing from ADB 14620 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14621 // Do not run verification in a test harness environment 14622 if (ActivityManager.isRunningInTestHarness()) { 14623 return false; 14624 } 14625 if (ensureVerifyAppsEnabled) { 14626 return true; 14627 } 14628 // Check if the developer does not want package verification for ADB installs 14629 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14630 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14631 return false; 14632 } 14633 } else { 14634 // only when not installed from ADB, skip verification for instant apps when 14635 // the installer and verifier are the same. 14636 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14637 if (mInstantAppInstallerActivity != null 14638 && mInstantAppInstallerActivity.packageName.equals( 14639 mRequiredVerifierPackage)) { 14640 try { 14641 mContext.getSystemService(AppOpsManager.class) 14642 .checkPackage(installerUid, mRequiredVerifierPackage); 14643 if (DEBUG_VERIFY) { 14644 Slog.i(TAG, "disable verification for instant app"); 14645 } 14646 return false; 14647 } catch (SecurityException ignore) { } 14648 } 14649 } 14650 } 14651 14652 if (ensureVerifyAppsEnabled) { 14653 return true; 14654 } 14655 14656 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14657 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14658 } 14659 14660 @Override 14661 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14662 throws RemoteException { 14663 mContext.enforceCallingOrSelfPermission( 14664 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14665 "Only intentfilter verification agents can verify applications"); 14666 14667 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14668 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14669 Binder.getCallingUid(), verificationCode, failedDomains); 14670 msg.arg1 = id; 14671 msg.obj = response; 14672 mHandler.sendMessage(msg); 14673 } 14674 14675 @Override 14676 public int getIntentVerificationStatus(String packageName, int userId) { 14677 final int callingUid = Binder.getCallingUid(); 14678 if (UserHandle.getUserId(callingUid) != userId) { 14679 mContext.enforceCallingOrSelfPermission( 14680 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14681 "getIntentVerificationStatus" + userId); 14682 } 14683 if (getInstantAppPackageName(callingUid) != null) { 14684 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14685 } 14686 synchronized (mPackages) { 14687 final PackageSetting ps = mSettings.mPackages.get(packageName); 14688 if (ps == null 14689 || filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14690 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14691 } 14692 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14693 } 14694 } 14695 14696 @Override 14697 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 14698 mContext.enforceCallingOrSelfPermission( 14699 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14700 14701 boolean result = false; 14702 synchronized (mPackages) { 14703 final PackageSetting ps = mSettings.mPackages.get(packageName); 14704 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14705 return false; 14706 } 14707 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 14708 } 14709 if (result) { 14710 scheduleWritePackageRestrictionsLocked(userId); 14711 } 14712 return result; 14713 } 14714 14715 @Override 14716 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 14717 String packageName) { 14718 final int callingUid = Binder.getCallingUid(); 14719 if (getInstantAppPackageName(callingUid) != null) { 14720 return ParceledListSlice.emptyList(); 14721 } 14722 synchronized (mPackages) { 14723 final PackageSetting ps = mSettings.mPackages.get(packageName); 14724 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14725 return ParceledListSlice.emptyList(); 14726 } 14727 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 14728 } 14729 } 14730 14731 @Override 14732 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 14733 if (TextUtils.isEmpty(packageName)) { 14734 return ParceledListSlice.emptyList(); 14735 } 14736 final int callingUid = Binder.getCallingUid(); 14737 final int callingUserId = UserHandle.getUserId(callingUid); 14738 synchronized (mPackages) { 14739 PackageParser.Package pkg = mPackages.get(packageName); 14740 if (pkg == null || pkg.activities == null) { 14741 return ParceledListSlice.emptyList(); 14742 } 14743 if (pkg.mExtras == null) { 14744 return ParceledListSlice.emptyList(); 14745 } 14746 final PackageSetting ps = (PackageSetting) pkg.mExtras; 14747 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 14748 return ParceledListSlice.emptyList(); 14749 } 14750 final int count = pkg.activities.size(); 14751 ArrayList<IntentFilter> result = new ArrayList<>(); 14752 for (int n=0; n<count; n++) { 14753 PackageParser.Activity activity = pkg.activities.get(n); 14754 if (activity.intents != null && activity.intents.size() > 0) { 14755 result.addAll(activity.intents); 14756 } 14757 } 14758 return new ParceledListSlice<>(result); 14759 } 14760 } 14761 14762 @Override 14763 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 14764 mContext.enforceCallingOrSelfPermission( 14765 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14766 if (UserHandle.getCallingUserId() != userId) { 14767 mContext.enforceCallingOrSelfPermission( 14768 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14769 } 14770 14771 synchronized (mPackages) { 14772 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 14773 if (packageName != null) { 14774 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowser( 14775 packageName, userId); 14776 } 14777 return result; 14778 } 14779 } 14780 14781 @Override 14782 public String getDefaultBrowserPackageName(int userId) { 14783 if (UserHandle.getCallingUserId() != userId) { 14784 mContext.enforceCallingOrSelfPermission( 14785 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14786 } 14787 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14788 return null; 14789 } 14790 synchronized (mPackages) { 14791 return mSettings.getDefaultBrowserPackageNameLPw(userId); 14792 } 14793 } 14794 14795 /** 14796 * Get the "allow unknown sources" setting. 14797 * 14798 * @return the current "allow unknown sources" setting 14799 */ 14800 private int getUnknownSourcesSettings() { 14801 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 14802 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 14803 -1); 14804 } 14805 14806 @Override 14807 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 14808 final int callingUid = Binder.getCallingUid(); 14809 if (getInstantAppPackageName(callingUid) != null) { 14810 return; 14811 } 14812 // writer 14813 synchronized (mPackages) { 14814 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 14815 if (targetPackageSetting == null 14816 || filterAppAccessLPr( 14817 targetPackageSetting, callingUid, UserHandle.getUserId(callingUid))) { 14818 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 14819 } 14820 14821 PackageSetting installerPackageSetting; 14822 if (installerPackageName != null) { 14823 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 14824 if (installerPackageSetting == null) { 14825 throw new IllegalArgumentException("Unknown installer package: " 14826 + installerPackageName); 14827 } 14828 } else { 14829 installerPackageSetting = null; 14830 } 14831 14832 Signature[] callerSignature; 14833 Object obj = mSettings.getUserIdLPr(callingUid); 14834 if (obj != null) { 14835 if (obj instanceof SharedUserSetting) { 14836 callerSignature = 14837 ((SharedUserSetting)obj).signatures.mSigningDetails.signatures; 14838 } else if (obj instanceof PackageSetting) { 14839 callerSignature = ((PackageSetting)obj).signatures.mSigningDetails.signatures; 14840 } else { 14841 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 14842 } 14843 } else { 14844 throw new SecurityException("Unknown calling UID: " + callingUid); 14845 } 14846 14847 // Verify: can't set installerPackageName to a package that is 14848 // not signed with the same cert as the caller. 14849 if (installerPackageSetting != null) { 14850 if (compareSignatures(callerSignature, 14851 installerPackageSetting.signatures.mSigningDetails.signatures) 14852 != PackageManager.SIGNATURE_MATCH) { 14853 throw new SecurityException( 14854 "Caller does not have same cert as new installer package " 14855 + installerPackageName); 14856 } 14857 } 14858 14859 // Verify: if target already has an installer package, it must 14860 // be signed with the same cert as the caller. 14861 if (targetPackageSetting.installerPackageName != null) { 14862 PackageSetting setting = mSettings.mPackages.get( 14863 targetPackageSetting.installerPackageName); 14864 // If the currently set package isn't valid, then it's always 14865 // okay to change it. 14866 if (setting != null) { 14867 if (compareSignatures(callerSignature, 14868 setting.signatures.mSigningDetails.signatures) 14869 != PackageManager.SIGNATURE_MATCH) { 14870 throw new SecurityException( 14871 "Caller does not have same cert as old installer package " 14872 + targetPackageSetting.installerPackageName); 14873 } 14874 } 14875 } 14876 14877 // Okay! 14878 targetPackageSetting.installerPackageName = installerPackageName; 14879 if (installerPackageName != null) { 14880 mSettings.mInstallerPackages.add(installerPackageName); 14881 } 14882 scheduleWriteSettingsLocked(); 14883 } 14884 } 14885 14886 @Override 14887 public void setApplicationCategoryHint(String packageName, int categoryHint, 14888 String callerPackageName) { 14889 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14890 throw new SecurityException("Instant applications don't have access to this method"); 14891 } 14892 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14893 callerPackageName); 14894 synchronized (mPackages) { 14895 PackageSetting ps = mSettings.mPackages.get(packageName); 14896 if (ps == null) { 14897 throw new IllegalArgumentException("Unknown target package " + packageName); 14898 } 14899 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14900 throw new IllegalArgumentException("Unknown target package " + packageName); 14901 } 14902 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14903 throw new IllegalArgumentException("Calling package " + callerPackageName 14904 + " is not installer for " + packageName); 14905 } 14906 14907 if (ps.categoryHint != categoryHint) { 14908 ps.categoryHint = categoryHint; 14909 scheduleWriteSettingsLocked(); 14910 } 14911 } 14912 } 14913 14914 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14915 // Queue up an async operation since the package installation may take a little while. 14916 mHandler.post(new Runnable() { 14917 public void run() { 14918 mHandler.removeCallbacks(this); 14919 // Result object to be returned 14920 PackageInstalledInfo res = new PackageInstalledInfo(); 14921 res.setReturnCode(currentStatus); 14922 res.uid = -1; 14923 res.pkg = null; 14924 res.removedInfo = null; 14925 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14926 args.doPreInstall(res.returnCode); 14927 synchronized (mInstallLock) { 14928 installPackageTracedLI(args, res); 14929 } 14930 args.doPostInstall(res.returnCode, res.uid); 14931 } 14932 14933 // A restore should be performed at this point if (a) the install 14934 // succeeded, (b) the operation is not an update, and (c) the new 14935 // package has not opted out of backup participation. 14936 final boolean update = res.removedInfo != null 14937 && res.removedInfo.removedPackage != null; 14938 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14939 boolean doRestore = !update 14940 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14941 14942 // Set up the post-install work request bookkeeping. This will be used 14943 // and cleaned up by the post-install event handling regardless of whether 14944 // there's a restore pass performed. Token values are >= 1. 14945 int token; 14946 if (mNextInstallToken < 0) mNextInstallToken = 1; 14947 token = mNextInstallToken++; 14948 14949 PostInstallData data = new PostInstallData(args, res); 14950 mRunningInstalls.put(token, data); 14951 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14952 14953 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14954 // Pass responsibility to the Backup Manager. It will perform a 14955 // restore if appropriate, then pass responsibility back to the 14956 // Package Manager to run the post-install observer callbacks 14957 // and broadcasts. 14958 IBackupManager bm = IBackupManager.Stub.asInterface( 14959 ServiceManager.getService(Context.BACKUP_SERVICE)); 14960 if (bm != null) { 14961 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14962 + " to BM for possible restore"); 14963 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14964 try { 14965 // TODO: http://b/22388012 14966 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14967 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14968 } else { 14969 doRestore = false; 14970 } 14971 } catch (RemoteException e) { 14972 // can't happen; the backup manager is local 14973 } catch (Exception e) { 14974 Slog.e(TAG, "Exception trying to enqueue restore", e); 14975 doRestore = false; 14976 } 14977 } else { 14978 Slog.e(TAG, "Backup Manager not found!"); 14979 doRestore = false; 14980 } 14981 } 14982 14983 if (!doRestore) { 14984 // No restore possible, or the Backup Manager was mysteriously not 14985 // available -- just fire the post-install work request directly. 14986 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14987 14988 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14989 14990 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14991 mHandler.sendMessage(msg); 14992 } 14993 } 14994 }); 14995 } 14996 14997 /** 14998 * Callback from PackageSettings whenever an app is first transitioned out of the 14999 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 15000 * the app was "launched" for a restoreAtInstall operation. Therefore we check 15001 * here whether the app is the target of an ongoing install, and only send the 15002 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 15003 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 15004 * handling. 15005 */ 15006 void notifyFirstLaunch(final String packageName, final String installerPackage, 15007 final int userId) { 15008 // Serialize this with the rest of the install-process message chain. In the 15009 // restore-at-install case, this Runnable will necessarily run before the 15010 // POST_INSTALL message is processed, so the contents of mRunningInstalls 15011 // are coherent. In the non-restore case, the app has already completed install 15012 // and been launched through some other means, so it is not in a problematic 15013 // state for observers to see the FIRST_LAUNCH signal. 15014 mHandler.post(new Runnable() { 15015 @Override 15016 public void run() { 15017 for (int i = 0; i < mRunningInstalls.size(); i++) { 15018 final PostInstallData data = mRunningInstalls.valueAt(i); 15019 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15020 continue; 15021 } 15022 if (packageName.equals(data.res.pkg.applicationInfo.packageName)) { 15023 // right package; but is it for the right user? 15024 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 15025 if (userId == data.res.newUsers[uIndex]) { 15026 if (DEBUG_BACKUP) { 15027 Slog.i(TAG, "Package " + packageName 15028 + " being restored so deferring FIRST_LAUNCH"); 15029 } 15030 return; 15031 } 15032 } 15033 } 15034 } 15035 // didn't find it, so not being restored 15036 if (DEBUG_BACKUP) { 15037 Slog.i(TAG, "Package " + packageName + " sending normal FIRST_LAUNCH"); 15038 } 15039 final boolean isInstantApp = isInstantApp(packageName, userId); 15040 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 15041 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 15042 sendFirstLaunchBroadcast(packageName, installerPackage, userIds, instantUserIds); 15043 } 15044 }); 15045 } 15046 15047 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, 15048 int[] userIds, int[] instantUserIds) { 15049 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 15050 installerPkg, null, userIds, instantUserIds); 15051 } 15052 15053 private abstract class HandlerParams { 15054 private static final int MAX_RETRIES = 4; 15055 15056 /** 15057 * Number of times startCopy() has been attempted and had a non-fatal 15058 * error. 15059 */ 15060 private int mRetries = 0; 15061 15062 /** User handle for the user requesting the information or installation. */ 15063 private final UserHandle mUser; 15064 String traceMethod; 15065 int traceCookie; 15066 15067 HandlerParams(UserHandle user) { 15068 mUser = user; 15069 } 15070 15071 UserHandle getUser() { 15072 return mUser; 15073 } 15074 15075 HandlerParams setTraceMethod(String traceMethod) { 15076 this.traceMethod = traceMethod; 15077 return this; 15078 } 15079 15080 HandlerParams setTraceCookie(int traceCookie) { 15081 this.traceCookie = traceCookie; 15082 return this; 15083 } 15084 15085 final boolean startCopy() { 15086 boolean res; 15087 try { 15088 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 15089 15090 if (++mRetries > MAX_RETRIES) { 15091 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 15092 mHandler.sendEmptyMessage(MCS_GIVE_UP); 15093 handleServiceError(); 15094 return false; 15095 } else { 15096 handleStartCopy(); 15097 res = true; 15098 } 15099 } catch (RemoteException e) { 15100 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 15101 mHandler.sendEmptyMessage(MCS_RECONNECT); 15102 res = false; 15103 } 15104 handleReturnCode(); 15105 return res; 15106 } 15107 15108 final void serviceError() { 15109 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 15110 handleServiceError(); 15111 handleReturnCode(); 15112 } 15113 15114 abstract void handleStartCopy() throws RemoteException; 15115 abstract void handleServiceError(); 15116 abstract void handleReturnCode(); 15117 } 15118 15119 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 15120 for (File path : paths) { 15121 try { 15122 mcs.clearDirectory(path.getAbsolutePath()); 15123 } catch (RemoteException e) { 15124 } 15125 } 15126 } 15127 15128 static class OriginInfo { 15129 /** 15130 * Location where install is coming from, before it has been 15131 * copied/renamed into place. This could be a single monolithic APK 15132 * file, or a cluster directory. This location may be untrusted. 15133 */ 15134 final File file; 15135 15136 /** 15137 * Flag indicating that {@link #file} or {@link #cid} has already been 15138 * staged, meaning downstream users don't need to defensively copy the 15139 * contents. 15140 */ 15141 final boolean staged; 15142 15143 /** 15144 * Flag indicating that {@link #file} or {@link #cid} is an already 15145 * installed app that is being moved. 15146 */ 15147 final boolean existing; 15148 15149 final String resolvedPath; 15150 final File resolvedFile; 15151 15152 static OriginInfo fromNothing() { 15153 return new OriginInfo(null, false, false); 15154 } 15155 15156 static OriginInfo fromUntrustedFile(File file) { 15157 return new OriginInfo(file, false, false); 15158 } 15159 15160 static OriginInfo fromExistingFile(File file) { 15161 return new OriginInfo(file, false, true); 15162 } 15163 15164 static OriginInfo fromStagedFile(File file) { 15165 return new OriginInfo(file, true, false); 15166 } 15167 15168 private OriginInfo(File file, boolean staged, boolean existing) { 15169 this.file = file; 15170 this.staged = staged; 15171 this.existing = existing; 15172 15173 if (file != null) { 15174 resolvedPath = file.getAbsolutePath(); 15175 resolvedFile = file; 15176 } else { 15177 resolvedPath = null; 15178 resolvedFile = null; 15179 } 15180 } 15181 } 15182 15183 static class MoveInfo { 15184 final int moveId; 15185 final String fromUuid; 15186 final String toUuid; 15187 final String packageName; 15188 final String dataAppName; 15189 final int appId; 15190 final String seinfo; 15191 final int targetSdkVersion; 15192 15193 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 15194 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 15195 this.moveId = moveId; 15196 this.fromUuid = fromUuid; 15197 this.toUuid = toUuid; 15198 this.packageName = packageName; 15199 this.dataAppName = dataAppName; 15200 this.appId = appId; 15201 this.seinfo = seinfo; 15202 this.targetSdkVersion = targetSdkVersion; 15203 } 15204 } 15205 15206 static class VerificationInfo { 15207 /** A constant used to indicate that a uid value is not present. */ 15208 public static final int NO_UID = -1; 15209 15210 /** URI referencing where the package was downloaded from. */ 15211 final Uri originatingUri; 15212 15213 /** HTTP referrer URI associated with the originatingURI. */ 15214 final Uri referrer; 15215 15216 /** UID of the application that the install request originated from. */ 15217 final int originatingUid; 15218 15219 /** UID of application requesting the install */ 15220 final int installerUid; 15221 15222 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 15223 this.originatingUri = originatingUri; 15224 this.referrer = referrer; 15225 this.originatingUid = originatingUid; 15226 this.installerUid = installerUid; 15227 } 15228 } 15229 15230 class InstallParams extends HandlerParams { 15231 final OriginInfo origin; 15232 final MoveInfo move; 15233 final IPackageInstallObserver2 observer; 15234 int installFlags; 15235 final String installerPackageName; 15236 final String volumeUuid; 15237 private InstallArgs mArgs; 15238 private int mRet; 15239 final String packageAbiOverride; 15240 final String[] grantedRuntimePermissions; 15241 final VerificationInfo verificationInfo; 15242 final PackageParser.SigningDetails signingDetails; 15243 final int installReason; 15244 15245 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15246 int installFlags, String installerPackageName, String volumeUuid, 15247 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 15248 String[] grantedPermissions, PackageParser.SigningDetails signingDetails, int installReason) { 15249 super(user); 15250 this.origin = origin; 15251 this.move = move; 15252 this.observer = observer; 15253 this.installFlags = installFlags; 15254 this.installerPackageName = installerPackageName; 15255 this.volumeUuid = volumeUuid; 15256 this.verificationInfo = verificationInfo; 15257 this.packageAbiOverride = packageAbiOverride; 15258 this.grantedRuntimePermissions = grantedPermissions; 15259 this.signingDetails = signingDetails; 15260 this.installReason = installReason; 15261 } 15262 15263 @Override 15264 public String toString() { 15265 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 15266 + " file=" + origin.file + "}"; 15267 } 15268 15269 private int installLocationPolicy(PackageInfoLite pkgLite) { 15270 String packageName = pkgLite.packageName; 15271 int installLocation = pkgLite.installLocation; 15272 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15273 // reader 15274 synchronized (mPackages) { 15275 // Currently installed package which the new package is attempting to replace or 15276 // null if no such package is installed. 15277 PackageParser.Package installedPkg = mPackages.get(packageName); 15278 // Package which currently owns the data which the new package will own if installed. 15279 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 15280 // will be null whereas dataOwnerPkg will contain information about the package 15281 // which was uninstalled while keeping its data. 15282 PackageParser.Package dataOwnerPkg = installedPkg; 15283 if (dataOwnerPkg == null) { 15284 PackageSetting ps = mSettings.mPackages.get(packageName); 15285 if (ps != null) { 15286 dataOwnerPkg = ps.pkg; 15287 } 15288 } 15289 15290 if (dataOwnerPkg != null) { 15291 // If installed, the package will get access to data left on the device by its 15292 // predecessor. As a security measure, this is permited only if this is not a 15293 // version downgrade or if the predecessor package is marked as debuggable and 15294 // a downgrade is explicitly requested. 15295 // 15296 // On debuggable platform builds, downgrades are permitted even for 15297 // non-debuggable packages to make testing easier. Debuggable platform builds do 15298 // not offer security guarantees and thus it's OK to disable some security 15299 // mechanisms to make debugging/testing easier on those builds. However, even on 15300 // debuggable builds downgrades of packages are permitted only if requested via 15301 // installFlags. This is because we aim to keep the behavior of debuggable 15302 // platform builds as close as possible to the behavior of non-debuggable 15303 // platform builds. 15304 final boolean downgradeRequested = 15305 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 15306 final boolean packageDebuggable = 15307 (dataOwnerPkg.applicationInfo.flags 15308 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 15309 final boolean downgradePermitted = 15310 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 15311 if (!downgradePermitted) { 15312 try { 15313 checkDowngrade(dataOwnerPkg, pkgLite); 15314 } catch (PackageManagerException e) { 15315 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 15316 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 15317 } 15318 } 15319 } 15320 15321 if (installedPkg != null) { 15322 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15323 // Check for updated system application. 15324 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 15325 if (onSd) { 15326 Slog.w(TAG, "Cannot install update to system app on sdcard"); 15327 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 15328 } 15329 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15330 } else { 15331 if (onSd) { 15332 // Install flag overrides everything. 15333 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15334 } 15335 // If current upgrade specifies particular preference 15336 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 15337 // Application explicitly specified internal. 15338 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15339 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 15340 // App explictly prefers external. Let policy decide 15341 } else { 15342 // Prefer previous location 15343 if (isExternal(installedPkg)) { 15344 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15345 } 15346 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15347 } 15348 } 15349 } else { 15350 // Invalid install. Return error code 15351 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 15352 } 15353 } 15354 } 15355 // All the special cases have been taken care of. 15356 // Return result based on recommended install location. 15357 if (onSd) { 15358 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15359 } 15360 return pkgLite.recommendedInstallLocation; 15361 } 15362 15363 /* 15364 * Invoke remote method to get package information and install 15365 * location values. Override install location based on default 15366 * policy if needed and then create install arguments based 15367 * on the install location. 15368 */ 15369 public void handleStartCopy() throws RemoteException { 15370 int ret = PackageManager.INSTALL_SUCCEEDED; 15371 15372 // If we're already staged, we've firmly committed to an install location 15373 if (origin.staged) { 15374 if (origin.file != null) { 15375 installFlags |= PackageManager.INSTALL_INTERNAL; 15376 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15377 } else { 15378 throw new IllegalStateException("Invalid stage location"); 15379 } 15380 } 15381 15382 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15383 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 15384 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15385 PackageInfoLite pkgLite = null; 15386 15387 if (onInt && onSd) { 15388 // Check if both bits are set. 15389 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 15390 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15391 } else if (onSd && ephemeral) { 15392 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 15393 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15394 } else { 15395 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 15396 packageAbiOverride); 15397 15398 if (DEBUG_INSTANT && ephemeral) { 15399 Slog.v(TAG, "pkgLite for install: " + pkgLite); 15400 } 15401 15402 /* 15403 * If we have too little free space, try to free cache 15404 * before giving up. 15405 */ 15406 if (!origin.staged && pkgLite.recommendedInstallLocation 15407 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15408 // TODO: focus freeing disk space on the target device 15409 final StorageManager storage = StorageManager.from(mContext); 15410 final long lowThreshold = storage.getStorageLowBytes( 15411 Environment.getDataDirectory()); 15412 15413 final long sizeBytes = mContainerService.calculateInstalledSize( 15414 origin.resolvedPath, packageAbiOverride); 15415 15416 try { 15417 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0, 0); 15418 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 15419 installFlags, packageAbiOverride); 15420 } catch (InstallerException e) { 15421 Slog.w(TAG, "Failed to free cache", e); 15422 } 15423 15424 /* 15425 * The cache free must have deleted the file we 15426 * downloaded to install. 15427 * 15428 * TODO: fix the "freeCache" call to not delete 15429 * the file we care about. 15430 */ 15431 if (pkgLite.recommendedInstallLocation 15432 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15433 pkgLite.recommendedInstallLocation 15434 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 15435 } 15436 } 15437 } 15438 15439 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15440 int loc = pkgLite.recommendedInstallLocation; 15441 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 15442 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15443 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 15444 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 15445 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15446 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15447 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 15448 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 15449 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15450 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 15451 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 15452 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 15453 } else { 15454 // Override with defaults if needed. 15455 loc = installLocationPolicy(pkgLite); 15456 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 15457 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 15458 } else if (!onSd && !onInt) { 15459 // Override install location with flags 15460 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 15461 // Set the flag to install on external media. 15462 installFlags |= PackageManager.INSTALL_EXTERNAL; 15463 installFlags &= ~PackageManager.INSTALL_INTERNAL; 15464 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 15465 if (DEBUG_INSTANT) { 15466 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 15467 } 15468 installFlags |= PackageManager.INSTALL_INSTANT_APP; 15469 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 15470 |PackageManager.INSTALL_INTERNAL); 15471 } else { 15472 // Make sure the flag for installing on external 15473 // media is unset 15474 installFlags |= PackageManager.INSTALL_INTERNAL; 15475 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15476 } 15477 } 15478 } 15479 } 15480 15481 final InstallArgs args = createInstallArgs(this); 15482 mArgs = args; 15483 15484 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15485 // TODO: http://b/22976637 15486 // Apps installed for "all" users use the device owner to verify the app 15487 UserHandle verifierUser = getUser(); 15488 if (verifierUser == UserHandle.ALL) { 15489 verifierUser = UserHandle.SYSTEM; 15490 } 15491 15492 /* 15493 * Determine if we have any installed package verifiers. If we 15494 * do, then we'll defer to them to verify the packages. 15495 */ 15496 final int requiredUid = mRequiredVerifierPackage == null ? -1 15497 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15498 verifierUser.getIdentifier()); 15499 final int installerUid = 15500 verificationInfo == null ? -1 : verificationInfo.installerUid; 15501 if (!origin.existing && requiredUid != -1 15502 && isVerificationEnabled( 15503 verifierUser.getIdentifier(), installFlags, installerUid)) { 15504 final Intent verification = new Intent( 15505 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 15506 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 15507 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 15508 PACKAGE_MIME_TYPE); 15509 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 15510 15511 // Query all live verifiers based on current user state 15512 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 15513 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier(), 15514 false /*allowDynamicSplits*/); 15515 15516 if (DEBUG_VERIFY) { 15517 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 15518 + verification.toString() + " with " + pkgLite.verifiers.length 15519 + " optional verifiers"); 15520 } 15521 15522 final int verificationId = mPendingVerificationToken++; 15523 15524 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 15525 15526 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 15527 installerPackageName); 15528 15529 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 15530 installFlags); 15531 15532 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 15533 pkgLite.packageName); 15534 15535 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 15536 pkgLite.versionCode); 15537 15538 verification.putExtra(PackageManager.EXTRA_VERIFICATION_LONG_VERSION_CODE, 15539 pkgLite.getLongVersionCode()); 15540 15541 if (verificationInfo != null) { 15542 if (verificationInfo.originatingUri != null) { 15543 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 15544 verificationInfo.originatingUri); 15545 } 15546 if (verificationInfo.referrer != null) { 15547 verification.putExtra(Intent.EXTRA_REFERRER, 15548 verificationInfo.referrer); 15549 } 15550 if (verificationInfo.originatingUid >= 0) { 15551 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 15552 verificationInfo.originatingUid); 15553 } 15554 if (verificationInfo.installerUid >= 0) { 15555 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 15556 verificationInfo.installerUid); 15557 } 15558 } 15559 15560 final PackageVerificationState verificationState = new PackageVerificationState( 15561 requiredUid, args); 15562 15563 mPendingVerification.append(verificationId, verificationState); 15564 15565 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 15566 receivers, verificationState); 15567 15568 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 15569 final long idleDuration = getVerificationTimeout(); 15570 15571 /* 15572 * If any sufficient verifiers were listed in the package 15573 * manifest, attempt to ask them. 15574 */ 15575 if (sufficientVerifiers != null) { 15576 final int N = sufficientVerifiers.size(); 15577 if (N == 0) { 15578 Slog.i(TAG, "Additional verifiers required, but none installed."); 15579 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 15580 } else { 15581 for (int i = 0; i < N; i++) { 15582 final ComponentName verifierComponent = sufficientVerifiers.get(i); 15583 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15584 verifierComponent.getPackageName(), idleDuration, 15585 verifierUser.getIdentifier(), false, "package verifier"); 15586 15587 final Intent sufficientIntent = new Intent(verification); 15588 sufficientIntent.setComponent(verifierComponent); 15589 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 15590 } 15591 } 15592 } 15593 15594 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 15595 mRequiredVerifierPackage, receivers); 15596 if (ret == PackageManager.INSTALL_SUCCEEDED 15597 && mRequiredVerifierPackage != null) { 15598 Trace.asyncTraceBegin( 15599 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 15600 /* 15601 * Send the intent to the required verification agent, 15602 * but only start the verification timeout after the 15603 * target BroadcastReceivers have run. 15604 */ 15605 verification.setComponent(requiredVerifierComponent); 15606 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15607 mRequiredVerifierPackage, idleDuration, 15608 verifierUser.getIdentifier(), false, "package verifier"); 15609 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 15610 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15611 new BroadcastReceiver() { 15612 @Override 15613 public void onReceive(Context context, Intent intent) { 15614 final Message msg = mHandler 15615 .obtainMessage(CHECK_PENDING_VERIFICATION); 15616 msg.arg1 = verificationId; 15617 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 15618 } 15619 }, null, 0, null, null); 15620 15621 /* 15622 * We don't want the copy to proceed until verification 15623 * succeeds, so null out this field. 15624 */ 15625 mArgs = null; 15626 } 15627 } else { 15628 /* 15629 * No package verification is enabled, so immediately start 15630 * the remote call to initiate copy using temporary file. 15631 */ 15632 ret = args.copyApk(mContainerService, true); 15633 } 15634 } 15635 15636 mRet = ret; 15637 } 15638 15639 @Override 15640 void handleReturnCode() { 15641 // If mArgs is null, then MCS couldn't be reached. When it 15642 // reconnects, it will try again to install. At that point, this 15643 // will succeed. 15644 if (mArgs != null) { 15645 processPendingInstall(mArgs, mRet); 15646 } 15647 } 15648 15649 @Override 15650 void handleServiceError() { 15651 mArgs = createInstallArgs(this); 15652 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15653 } 15654 } 15655 15656 private InstallArgs createInstallArgs(InstallParams params) { 15657 if (params.move != null) { 15658 return new MoveInstallArgs(params); 15659 } else { 15660 return new FileInstallArgs(params); 15661 } 15662 } 15663 15664 /** 15665 * Create args that describe an existing installed package. Typically used 15666 * when cleaning up old installs, or used as a move source. 15667 */ 15668 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15669 String resourcePath, String[] instructionSets) { 15670 return new FileInstallArgs(codePath, resourcePath, instructionSets); 15671 } 15672 15673 static abstract class InstallArgs { 15674 /** @see InstallParams#origin */ 15675 final OriginInfo origin; 15676 /** @see InstallParams#move */ 15677 final MoveInfo move; 15678 15679 final IPackageInstallObserver2 observer; 15680 // Always refers to PackageManager flags only 15681 final int installFlags; 15682 final String installerPackageName; 15683 final String volumeUuid; 15684 final UserHandle user; 15685 final String abiOverride; 15686 final String[] installGrantPermissions; 15687 /** If non-null, drop an async trace when the install completes */ 15688 final String traceMethod; 15689 final int traceCookie; 15690 final PackageParser.SigningDetails signingDetails; 15691 final int installReason; 15692 15693 // The list of instruction sets supported by this app. This is currently 15694 // only used during the rmdex() phase to clean up resources. We can get rid of this 15695 // if we move dex files under the common app path. 15696 /* nullable */ String[] instructionSets; 15697 15698 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15699 int installFlags, String installerPackageName, String volumeUuid, 15700 UserHandle user, String[] instructionSets, 15701 String abiOverride, String[] installGrantPermissions, 15702 String traceMethod, int traceCookie, PackageParser.SigningDetails signingDetails, 15703 int installReason) { 15704 this.origin = origin; 15705 this.move = move; 15706 this.installFlags = installFlags; 15707 this.observer = observer; 15708 this.installerPackageName = installerPackageName; 15709 this.volumeUuid = volumeUuid; 15710 this.user = user; 15711 this.instructionSets = instructionSets; 15712 this.abiOverride = abiOverride; 15713 this.installGrantPermissions = installGrantPermissions; 15714 this.traceMethod = traceMethod; 15715 this.traceCookie = traceCookie; 15716 this.signingDetails = signingDetails; 15717 this.installReason = installReason; 15718 } 15719 15720 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 15721 abstract int doPreInstall(int status); 15722 15723 /** 15724 * Rename package into final resting place. All paths on the given 15725 * scanned package should be updated to reflect the rename. 15726 */ 15727 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 15728 abstract int doPostInstall(int status, int uid); 15729 15730 /** @see PackageSettingBase#codePathString */ 15731 abstract String getCodePath(); 15732 /** @see PackageSettingBase#resourcePathString */ 15733 abstract String getResourcePath(); 15734 15735 // Need installer lock especially for dex file removal. 15736 abstract void cleanUpResourcesLI(); 15737 abstract boolean doPostDeleteLI(boolean delete); 15738 15739 /** 15740 * Called before the source arguments are copied. This is used mostly 15741 * for MoveParams when it needs to read the source file to put it in the 15742 * destination. 15743 */ 15744 int doPreCopy() { 15745 return PackageManager.INSTALL_SUCCEEDED; 15746 } 15747 15748 /** 15749 * Called after the source arguments are copied. This is used mostly for 15750 * MoveParams when it needs to read the source file to put it in the 15751 * destination. 15752 */ 15753 int doPostCopy(int uid) { 15754 return PackageManager.INSTALL_SUCCEEDED; 15755 } 15756 15757 protected boolean isFwdLocked() { 15758 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15759 } 15760 15761 protected boolean isExternalAsec() { 15762 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15763 } 15764 15765 protected boolean isEphemeral() { 15766 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15767 } 15768 15769 UserHandle getUser() { 15770 return user; 15771 } 15772 } 15773 15774 void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 15775 if (!allCodePaths.isEmpty()) { 15776 if (instructionSets == null) { 15777 throw new IllegalStateException("instructionSet == null"); 15778 } 15779 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 15780 for (String codePath : allCodePaths) { 15781 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 15782 try { 15783 mInstaller.rmdex(codePath, dexCodeInstructionSet); 15784 } catch (InstallerException ignored) { 15785 } 15786 } 15787 } 15788 } 15789 } 15790 15791 /** 15792 * Logic to handle installation of non-ASEC applications, including copying 15793 * and renaming logic. 15794 */ 15795 class FileInstallArgs extends InstallArgs { 15796 private File codeFile; 15797 private File resourceFile; 15798 15799 // Example topology: 15800 // /data/app/com.example/base.apk 15801 // /data/app/com.example/split_foo.apk 15802 // /data/app/com.example/lib/arm/libfoo.so 15803 // /data/app/com.example/lib/arm64/libfoo.so 15804 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15805 15806 /** New install */ 15807 FileInstallArgs(InstallParams params) { 15808 super(params.origin, params.move, params.observer, params.installFlags, 15809 params.installerPackageName, params.volumeUuid, 15810 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15811 params.grantedRuntimePermissions, 15812 params.traceMethod, params.traceCookie, params.signingDetails, 15813 params.installReason); 15814 if (isFwdLocked()) { 15815 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15816 } 15817 } 15818 15819 /** Existing install */ 15820 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15821 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15822 null, null, null, 0, PackageParser.SigningDetails.UNKNOWN, 15823 PackageManager.INSTALL_REASON_UNKNOWN); 15824 this.codeFile = (codePath != null) ? new File(codePath) : null; 15825 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15826 } 15827 15828 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15829 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15830 try { 15831 return doCopyApk(imcs, temp); 15832 } finally { 15833 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15834 } 15835 } 15836 15837 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15838 if (origin.staged) { 15839 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15840 codeFile = origin.file; 15841 resourceFile = origin.file; 15842 return PackageManager.INSTALL_SUCCEEDED; 15843 } 15844 15845 try { 15846 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15847 final File tempDir = 15848 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15849 codeFile = tempDir; 15850 resourceFile = tempDir; 15851 } catch (IOException e) { 15852 Slog.w(TAG, "Failed to create copy file: " + e); 15853 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15854 } 15855 15856 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15857 @Override 15858 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15859 if (!FileUtils.isValidExtFilename(name)) { 15860 throw new IllegalArgumentException("Invalid filename: " + name); 15861 } 15862 try { 15863 final File file = new File(codeFile, name); 15864 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15865 O_RDWR | O_CREAT, 0644); 15866 Os.chmod(file.getAbsolutePath(), 0644); 15867 return new ParcelFileDescriptor(fd); 15868 } catch (ErrnoException e) { 15869 throw new RemoteException("Failed to open: " + e.getMessage()); 15870 } 15871 } 15872 }; 15873 15874 int ret = PackageManager.INSTALL_SUCCEEDED; 15875 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15876 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15877 Slog.e(TAG, "Failed to copy package"); 15878 return ret; 15879 } 15880 15881 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15882 NativeLibraryHelper.Handle handle = null; 15883 try { 15884 handle = NativeLibraryHelper.Handle.create(codeFile); 15885 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15886 abiOverride); 15887 } catch (IOException e) { 15888 Slog.e(TAG, "Copying native libraries failed", e); 15889 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15890 } finally { 15891 IoUtils.closeQuietly(handle); 15892 } 15893 15894 return ret; 15895 } 15896 15897 int doPreInstall(int status) { 15898 if (status != PackageManager.INSTALL_SUCCEEDED) { 15899 cleanUp(); 15900 } 15901 return status; 15902 } 15903 15904 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15905 if (status != PackageManager.INSTALL_SUCCEEDED) { 15906 cleanUp(); 15907 return false; 15908 } 15909 15910 final File targetDir = codeFile.getParentFile(); 15911 final File beforeCodeFile = codeFile; 15912 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15913 15914 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15915 try { 15916 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15917 } catch (ErrnoException e) { 15918 Slog.w(TAG, "Failed to rename", e); 15919 return false; 15920 } 15921 15922 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15923 Slog.w(TAG, "Failed to restorecon"); 15924 return false; 15925 } 15926 15927 // Reflect the rename internally 15928 codeFile = afterCodeFile; 15929 resourceFile = afterCodeFile; 15930 15931 // Reflect the rename in scanned details 15932 try { 15933 pkg.setCodePath(afterCodeFile.getCanonicalPath()); 15934 } catch (IOException e) { 15935 Slog.e(TAG, "Failed to get path: " + afterCodeFile, e); 15936 return false; 15937 } 15938 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15939 afterCodeFile, pkg.baseCodePath)); 15940 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15941 afterCodeFile, pkg.splitCodePaths)); 15942 15943 // Reflect the rename in app info 15944 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15945 pkg.setApplicationInfoCodePath(pkg.codePath); 15946 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15947 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15948 pkg.setApplicationInfoResourcePath(pkg.codePath); 15949 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15950 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15951 15952 return true; 15953 } 15954 15955 int doPostInstall(int status, int uid) { 15956 if (status != PackageManager.INSTALL_SUCCEEDED) { 15957 cleanUp(); 15958 } 15959 return status; 15960 } 15961 15962 @Override 15963 String getCodePath() { 15964 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15965 } 15966 15967 @Override 15968 String getResourcePath() { 15969 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15970 } 15971 15972 private boolean cleanUp() { 15973 if (codeFile == null || !codeFile.exists()) { 15974 return false; 15975 } 15976 15977 removeCodePathLI(codeFile); 15978 15979 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15980 resourceFile.delete(); 15981 } 15982 15983 return true; 15984 } 15985 15986 void cleanUpResourcesLI() { 15987 // Try enumerating all code paths before deleting 15988 List<String> allCodePaths = Collections.EMPTY_LIST; 15989 if (codeFile != null && codeFile.exists()) { 15990 try { 15991 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15992 allCodePaths = pkg.getAllCodePaths(); 15993 } catch (PackageParserException e) { 15994 // Ignored; we tried our best 15995 } 15996 } 15997 15998 cleanUp(); 15999 removeDexFiles(allCodePaths, instructionSets); 16000 } 16001 16002 boolean doPostDeleteLI(boolean delete) { 16003 // XXX err, shouldn't we respect the delete flag? 16004 cleanUpResourcesLI(); 16005 return true; 16006 } 16007 } 16008 16009 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 16010 PackageManagerException { 16011 if (copyRet < 0) { 16012 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 16013 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 16014 throw new PackageManagerException(copyRet, message); 16015 } 16016 } 16017 } 16018 16019 /** 16020 * Extract the StorageManagerService "container ID" from the full code path of an 16021 * .apk. 16022 */ 16023 static String cidFromCodePath(String fullCodePath) { 16024 int eidx = fullCodePath.lastIndexOf("/"); 16025 String subStr1 = fullCodePath.substring(0, eidx); 16026 int sidx = subStr1.lastIndexOf("/"); 16027 return subStr1.substring(sidx+1, eidx); 16028 } 16029 16030 /** 16031 * Logic to handle movement of existing installed applications. 16032 */ 16033 class MoveInstallArgs extends InstallArgs { 16034 private File codeFile; 16035 private File resourceFile; 16036 16037 /** New install */ 16038 MoveInstallArgs(InstallParams params) { 16039 super(params.origin, params.move, params.observer, params.installFlags, 16040 params.installerPackageName, params.volumeUuid, 16041 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 16042 params.grantedRuntimePermissions, 16043 params.traceMethod, params.traceCookie, params.signingDetails, 16044 params.installReason); 16045 } 16046 16047 int copyApk(IMediaContainerService imcs, boolean temp) { 16048 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 16049 + move.fromUuid + " to " + move.toUuid); 16050 synchronized (mInstaller) { 16051 try { 16052 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 16053 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 16054 } catch (InstallerException e) { 16055 Slog.w(TAG, "Failed to move app", e); 16056 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 16057 } 16058 } 16059 16060 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 16061 resourceFile = codeFile; 16062 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 16063 16064 return PackageManager.INSTALL_SUCCEEDED; 16065 } 16066 16067 int doPreInstall(int status) { 16068 if (status != PackageManager.INSTALL_SUCCEEDED) { 16069 cleanUp(move.toUuid); 16070 } 16071 return status; 16072 } 16073 16074 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16075 if (status != PackageManager.INSTALL_SUCCEEDED) { 16076 cleanUp(move.toUuid); 16077 return false; 16078 } 16079 16080 // Reflect the move in app info 16081 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16082 pkg.setApplicationInfoCodePath(pkg.codePath); 16083 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16084 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16085 pkg.setApplicationInfoResourcePath(pkg.codePath); 16086 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16087 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16088 16089 return true; 16090 } 16091 16092 int doPostInstall(int status, int uid) { 16093 if (status == PackageManager.INSTALL_SUCCEEDED) { 16094 cleanUp(move.fromUuid); 16095 } else { 16096 cleanUp(move.toUuid); 16097 } 16098 return status; 16099 } 16100 16101 @Override 16102 String getCodePath() { 16103 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 16104 } 16105 16106 @Override 16107 String getResourcePath() { 16108 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 16109 } 16110 16111 private boolean cleanUp(String volumeUuid) { 16112 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 16113 move.dataAppName); 16114 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 16115 final int[] userIds = sUserManager.getUserIds(); 16116 synchronized (mInstallLock) { 16117 // Clean up both app data and code 16118 // All package moves are frozen until finished 16119 for (int userId : userIds) { 16120 try { 16121 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 16122 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 16123 } catch (InstallerException e) { 16124 Slog.w(TAG, String.valueOf(e)); 16125 } 16126 } 16127 removeCodePathLI(codeFile); 16128 } 16129 return true; 16130 } 16131 16132 void cleanUpResourcesLI() { 16133 throw new UnsupportedOperationException(); 16134 } 16135 16136 boolean doPostDeleteLI(boolean delete) { 16137 throw new UnsupportedOperationException(); 16138 } 16139 } 16140 16141 static String getAsecPackageName(String packageCid) { 16142 int idx = packageCid.lastIndexOf("-"); 16143 if (idx == -1) { 16144 return packageCid; 16145 } 16146 return packageCid.substring(0, idx); 16147 } 16148 16149 // Utility method used to create code paths based on package name and available index. 16150 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 16151 String idxStr = ""; 16152 int idx = 1; 16153 // Fall back to default value of idx=1 if prefix is not 16154 // part of oldCodePath 16155 if (oldCodePath != null) { 16156 String subStr = oldCodePath; 16157 // Drop the suffix right away 16158 if (suffix != null && subStr.endsWith(suffix)) { 16159 subStr = subStr.substring(0, subStr.length() - suffix.length()); 16160 } 16161 // If oldCodePath already contains prefix find out the 16162 // ending index to either increment or decrement. 16163 int sidx = subStr.lastIndexOf(prefix); 16164 if (sidx != -1) { 16165 subStr = subStr.substring(sidx + prefix.length()); 16166 if (subStr != null) { 16167 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 16168 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 16169 } 16170 try { 16171 idx = Integer.parseInt(subStr); 16172 if (idx <= 1) { 16173 idx++; 16174 } else { 16175 idx--; 16176 } 16177 } catch(NumberFormatException e) { 16178 } 16179 } 16180 } 16181 } 16182 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 16183 return prefix + idxStr; 16184 } 16185 16186 private File getNextCodePath(File targetDir, String packageName) { 16187 File result; 16188 SecureRandom random = new SecureRandom(); 16189 byte[] bytes = new byte[16]; 16190 do { 16191 random.nextBytes(bytes); 16192 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 16193 result = new File(targetDir, packageName + "-" + suffix); 16194 } while (result.exists()); 16195 return result; 16196 } 16197 16198 // Utility method that returns the relative package path with respect 16199 // to the installation directory. Like say for /data/data/com.test-1.apk 16200 // string com.test-1 is returned. 16201 static String deriveCodePathName(String codePath) { 16202 if (codePath == null) { 16203 return null; 16204 } 16205 final File codeFile = new File(codePath); 16206 final String name = codeFile.getName(); 16207 if (codeFile.isDirectory()) { 16208 return name; 16209 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 16210 final int lastDot = name.lastIndexOf('.'); 16211 return name.substring(0, lastDot); 16212 } else { 16213 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 16214 return null; 16215 } 16216 } 16217 16218 static class PackageInstalledInfo { 16219 String name; 16220 int uid; 16221 // The set of users that originally had this package installed. 16222 int[] origUsers; 16223 // The set of users that now have this package installed. 16224 int[] newUsers; 16225 PackageParser.Package pkg; 16226 int returnCode; 16227 String returnMsg; 16228 String installerPackageName; 16229 PackageRemovedInfo removedInfo; 16230 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 16231 16232 public void setError(int code, String msg) { 16233 setReturnCode(code); 16234 setReturnMessage(msg); 16235 Slog.w(TAG, msg); 16236 } 16237 16238 public void setError(String msg, PackageParserException e) { 16239 setReturnCode(e.error); 16240 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16241 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16242 for (int i = 0; i < childCount; i++) { 16243 addedChildPackages.valueAt(i).setError(msg, e); 16244 } 16245 Slog.w(TAG, msg, e); 16246 } 16247 16248 public void setError(String msg, PackageManagerException e) { 16249 returnCode = e.error; 16250 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16251 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16252 for (int i = 0; i < childCount; i++) { 16253 addedChildPackages.valueAt(i).setError(msg, e); 16254 } 16255 Slog.w(TAG, msg, e); 16256 } 16257 16258 public void setReturnCode(int returnCode) { 16259 this.returnCode = returnCode; 16260 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16261 for (int i = 0; i < childCount; i++) { 16262 addedChildPackages.valueAt(i).returnCode = returnCode; 16263 } 16264 } 16265 16266 private void setReturnMessage(String returnMsg) { 16267 this.returnMsg = returnMsg; 16268 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16269 for (int i = 0; i < childCount; i++) { 16270 addedChildPackages.valueAt(i).returnMsg = returnMsg; 16271 } 16272 } 16273 16274 // In some error cases we want to convey more info back to the observer 16275 String origPackage; 16276 String origPermission; 16277 } 16278 16279 /* 16280 * Install a non-existing package. 16281 */ 16282 private void installNewPackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 16283 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 16284 String volumeUuid, PackageInstalledInfo res, int installReason) { 16285 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 16286 16287 // Remember this for later, in case we need to rollback this install 16288 String pkgName = pkg.packageName; 16289 16290 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 16291 16292 synchronized(mPackages) { 16293 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 16294 if (renamedPackage != null) { 16295 // A package with the same name is already installed, though 16296 // it has been renamed to an older name. The package we 16297 // are trying to install should be installed as an update to 16298 // the existing one, but that has not been requested, so bail. 16299 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16300 + " without first uninstalling package running as " 16301 + renamedPackage); 16302 return; 16303 } 16304 if (mPackages.containsKey(pkgName)) { 16305 // Don't allow installation over an existing package with the same name. 16306 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16307 + " without first uninstalling."); 16308 return; 16309 } 16310 } 16311 16312 try { 16313 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 16314 System.currentTimeMillis(), user); 16315 16316 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 16317 16318 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16319 prepareAppDataAfterInstallLIF(newPackage); 16320 16321 } else { 16322 // Remove package from internal structures, but keep around any 16323 // data that might have already existed 16324 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 16325 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 16326 } 16327 } catch (PackageManagerException e) { 16328 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16329 } 16330 16331 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16332 } 16333 16334 private static void updateDigest(MessageDigest digest, File file) throws IOException { 16335 try (DigestInputStream digestStream = 16336 new DigestInputStream(new FileInputStream(file), digest)) { 16337 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 16338 } 16339 } 16340 16341 private void replacePackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 16342 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 16343 PackageInstalledInfo res, int installReason) { 16344 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16345 16346 final PackageParser.Package oldPackage; 16347 final PackageSetting ps; 16348 final String pkgName = pkg.packageName; 16349 final int[] allUsers; 16350 final int[] installedUsers; 16351 16352 synchronized(mPackages) { 16353 oldPackage = mPackages.get(pkgName); 16354 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 16355 16356 // don't allow upgrade to target a release SDK from a pre-release SDK 16357 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 16358 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16359 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 16360 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16361 if (oldTargetsPreRelease 16362 && !newTargetsPreRelease 16363 && ((parseFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 16364 Slog.w(TAG, "Can't install package targeting released sdk"); 16365 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 16366 return; 16367 } 16368 16369 ps = mSettings.mPackages.get(pkgName); 16370 16371 // verify signatures are valid 16372 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16373 if (ksms.shouldCheckUpgradeKeySetLocked(ps, scanFlags)) { 16374 if (!ksms.checkUpgradeKeySetLocked(ps, pkg)) { 16375 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16376 "New package not signed by keys specified by upgrade-keysets: " 16377 + pkgName); 16378 return; 16379 } 16380 } else { 16381 16382 // default to original signature matching 16383 if (!pkg.mSigningDetails.checkCapability(oldPackage.mSigningDetails, 16384 PackageParser.SigningDetails.CertCapabilities.INSTALLED_DATA) 16385 && !oldPackage.mSigningDetails.checkCapability( 16386 pkg.mSigningDetails, 16387 PackageParser.SigningDetails.CertCapabilities.ROLLBACK)) { 16388 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16389 "New package has a different signature: " + pkgName); 16390 return; 16391 } 16392 } 16393 16394 // don't allow a system upgrade unless the upgrade hash matches 16395 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystem()) { 16396 byte[] digestBytes = null; 16397 try { 16398 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 16399 updateDigest(digest, new File(pkg.baseCodePath)); 16400 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 16401 for (String path : pkg.splitCodePaths) { 16402 updateDigest(digest, new File(path)); 16403 } 16404 } 16405 digestBytes = digest.digest(); 16406 } catch (NoSuchAlgorithmException | IOException e) { 16407 res.setError(INSTALL_FAILED_INVALID_APK, 16408 "Could not compute hash: " + pkgName); 16409 return; 16410 } 16411 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 16412 res.setError(INSTALL_FAILED_INVALID_APK, 16413 "New package fails restrict-update check: " + pkgName); 16414 return; 16415 } 16416 // retain upgrade restriction 16417 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 16418 } 16419 16420 // Check for shared user id changes 16421 String invalidPackageName = 16422 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 16423 if (invalidPackageName != null) { 16424 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 16425 "Package " + invalidPackageName + " tried to change user " 16426 + oldPackage.mSharedUserId); 16427 return; 16428 } 16429 16430 // check if the new package supports all of the abis which the old package supports 16431 boolean oldPkgSupportMultiArch = oldPackage.applicationInfo.secondaryCpuAbi != null; 16432 boolean newPkgSupportMultiArch = pkg.applicationInfo.secondaryCpuAbi != null; 16433 if (isSystemApp(oldPackage) && oldPkgSupportMultiArch && !newPkgSupportMultiArch) { 16434 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16435 "Update to package " + pkgName + " doesn't support multi arch"); 16436 return; 16437 } 16438 16439 // In case of rollback, remember per-user/profile install state 16440 allUsers = sUserManager.getUserIds(); 16441 installedUsers = ps.queryInstalledUsers(allUsers, true); 16442 16443 // don't allow an upgrade from full to ephemeral 16444 if (isInstantApp) { 16445 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 16446 for (int currentUser : allUsers) { 16447 if (!ps.getInstantApp(currentUser)) { 16448 // can't downgrade from full to instant 16449 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16450 + " for user: " + currentUser); 16451 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16452 return; 16453 } 16454 } 16455 } else if (!ps.getInstantApp(user.getIdentifier())) { 16456 // can't downgrade from full to instant 16457 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16458 + " for user: " + user.getIdentifier()); 16459 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16460 return; 16461 } 16462 } 16463 } 16464 16465 // Update what is removed 16466 res.removedInfo = new PackageRemovedInfo(this); 16467 res.removedInfo.uid = oldPackage.applicationInfo.uid; 16468 res.removedInfo.removedPackage = oldPackage.packageName; 16469 res.removedInfo.installerPackageName = ps.installerPackageName; 16470 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 16471 res.removedInfo.isUpdate = true; 16472 res.removedInfo.origUsers = installedUsers; 16473 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 16474 for (int i = 0; i < installedUsers.length; i++) { 16475 final int userId = installedUsers[i]; 16476 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 16477 } 16478 16479 final int childCount = (oldPackage.childPackages != null) 16480 ? oldPackage.childPackages.size() : 0; 16481 for (int i = 0; i < childCount; i++) { 16482 boolean childPackageUpdated = false; 16483 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 16484 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16485 if (res.addedChildPackages != null) { 16486 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16487 if (childRes != null) { 16488 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 16489 childRes.removedInfo.removedPackage = childPkg.packageName; 16490 if (childPs != null) { 16491 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 16492 } 16493 childRes.removedInfo.isUpdate = true; 16494 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 16495 childPackageUpdated = true; 16496 } 16497 } 16498 if (!childPackageUpdated) { 16499 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 16500 childRemovedRes.removedPackage = childPkg.packageName; 16501 if (childPs != null) { 16502 childRemovedRes.installerPackageName = childPs.installerPackageName; 16503 } 16504 childRemovedRes.isUpdate = false; 16505 childRemovedRes.dataRemoved = true; 16506 synchronized (mPackages) { 16507 if (childPs != null) { 16508 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16509 } 16510 } 16511 if (res.removedInfo.removedChildPackages == null) { 16512 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16513 } 16514 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16515 } 16516 } 16517 16518 boolean sysPkg = (isSystemApp(oldPackage)); 16519 if (sysPkg) { 16520 // Set the system/privileged/oem/vendor/product flags as needed 16521 final boolean privileged = 16522 (oldPackage.applicationInfo.privateFlags 16523 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16524 final boolean oem = 16525 (oldPackage.applicationInfo.privateFlags 16526 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 16527 final boolean vendor = 16528 (oldPackage.applicationInfo.privateFlags 16529 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 16530 final boolean product = 16531 (oldPackage.applicationInfo.privateFlags 16532 & ApplicationInfo.PRIVATE_FLAG_PRODUCT) != 0; 16533 final @ParseFlags int systemParseFlags = parseFlags; 16534 final @ScanFlags int systemScanFlags = scanFlags 16535 | SCAN_AS_SYSTEM 16536 | (privileged ? SCAN_AS_PRIVILEGED : 0) 16537 | (oem ? SCAN_AS_OEM : 0) 16538 | (vendor ? SCAN_AS_VENDOR : 0) 16539 | (product ? SCAN_AS_PRODUCT : 0); 16540 16541 replaceSystemPackageLIF(oldPackage, pkg, systemParseFlags, systemScanFlags, 16542 user, allUsers, installerPackageName, res, installReason); 16543 } else { 16544 replaceNonSystemPackageLIF(oldPackage, pkg, parseFlags, scanFlags, 16545 user, allUsers, installerPackageName, res, installReason); 16546 } 16547 } 16548 16549 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16550 PackageParser.Package pkg, final @ParseFlags int parseFlags, 16551 final @ScanFlags int scanFlags, UserHandle user, int[] allUsers, 16552 String installerPackageName, PackageInstalledInfo res, int installReason) { 16553 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16554 + deletedPackage); 16555 16556 String pkgName = deletedPackage.packageName; 16557 boolean deletedPkg = true; 16558 boolean addedPkg = false; 16559 boolean updatedSettings = false; 16560 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16561 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16562 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16563 16564 final long origUpdateTime = (pkg.mExtras != null) 16565 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16566 16567 // First delete the existing package while retaining the data directory 16568 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16569 res.removedInfo, true, pkg)) { 16570 // If the existing package wasn't successfully deleted 16571 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16572 deletedPkg = false; 16573 } else { 16574 // Successfully deleted the old package; proceed with replace. 16575 16576 // If deleted package lived in a container, give users a chance to 16577 // relinquish resources before killing. 16578 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16579 if (DEBUG_INSTALL) { 16580 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16581 } 16582 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16583 final ArrayList<String> pkgList = new ArrayList<String>(1); 16584 pkgList.add(deletedPackage.applicationInfo.packageName); 16585 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16586 } 16587 16588 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16589 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16590 16591 try { 16592 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 16593 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16594 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16595 installReason); 16596 16597 // Update the in-memory copy of the previous code paths. 16598 PackageSetting ps = mSettings.mPackages.get(pkgName); 16599 if (!killApp) { 16600 if (ps.oldCodePaths == null) { 16601 ps.oldCodePaths = new ArraySet<>(); 16602 } 16603 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16604 if (deletedPackage.splitCodePaths != null) { 16605 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16606 } 16607 } else { 16608 ps.oldCodePaths = null; 16609 } 16610 if (ps.childPackageNames != null) { 16611 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16612 final String childPkgName = ps.childPackageNames.get(i); 16613 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16614 childPs.oldCodePaths = ps.oldCodePaths; 16615 } 16616 } 16617 prepareAppDataAfterInstallLIF(newPackage); 16618 addedPkg = true; 16619 mDexManager.notifyPackageUpdated(newPackage.packageName, 16620 newPackage.baseCodePath, newPackage.splitCodePaths); 16621 } catch (PackageManagerException e) { 16622 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16623 } 16624 } 16625 16626 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16627 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16628 16629 // Revert all internal state mutations and added folders for the failed install 16630 if (addedPkg) { 16631 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16632 res.removedInfo, true, null); 16633 } 16634 16635 // Restore the old package 16636 if (deletedPkg) { 16637 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16638 File restoreFile = new File(deletedPackage.codePath); 16639 // Parse old package 16640 boolean oldExternal = isExternal(deletedPackage); 16641 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16642 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16643 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16644 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16645 try { 16646 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16647 null); 16648 } catch (PackageManagerException e) { 16649 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16650 + e.getMessage()); 16651 return; 16652 } 16653 16654 synchronized (mPackages) { 16655 // Ensure the installer package name up to date 16656 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16657 16658 // Update permissions for restored package 16659 mPermissionManager.updatePermissions( 16660 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16661 mPermissionCallback); 16662 16663 mSettings.writeLPr(); 16664 } 16665 16666 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16667 } 16668 } else { 16669 synchronized (mPackages) { 16670 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16671 if (ps != null) { 16672 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16673 if (res.removedInfo.removedChildPackages != null) { 16674 final int childCount = res.removedInfo.removedChildPackages.size(); 16675 // Iterate in reverse as we may modify the collection 16676 for (int i = childCount - 1; i >= 0; i--) { 16677 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16678 if (res.addedChildPackages.containsKey(childPackageName)) { 16679 res.removedInfo.removedChildPackages.removeAt(i); 16680 } else { 16681 PackageRemovedInfo childInfo = res.removedInfo 16682 .removedChildPackages.valueAt(i); 16683 childInfo.removedForAllUsers = mPackages.get( 16684 childInfo.removedPackage) == null; 16685 } 16686 } 16687 } 16688 } 16689 } 16690 } 16691 } 16692 16693 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16694 PackageParser.Package pkg, final @ParseFlags int parseFlags, 16695 final @ScanFlags int scanFlags, UserHandle user, 16696 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16697 int installReason) { 16698 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16699 + ", old=" + deletedPackage); 16700 16701 final boolean disabledSystem; 16702 16703 // Remove existing system package 16704 removePackageLI(deletedPackage, true); 16705 16706 synchronized (mPackages) { 16707 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16708 } 16709 if (!disabledSystem) { 16710 // We didn't need to disable the .apk as a current system package, 16711 // which means we are replacing another update that is already 16712 // installed. We need to make sure to delete the older one's .apk. 16713 res.removedInfo.args = createInstallArgsForExisting(0, 16714 deletedPackage.applicationInfo.getCodePath(), 16715 deletedPackage.applicationInfo.getResourcePath(), 16716 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16717 } else { 16718 res.removedInfo.args = null; 16719 } 16720 16721 // Successfully disabled the old package. Now proceed with re-installation 16722 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16723 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16724 16725 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16726 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16727 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16728 16729 PackageParser.Package newPackage = null; 16730 try { 16731 // Add the package to the internal data structures 16732 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 16733 16734 // Set the update and install times 16735 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16736 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16737 System.currentTimeMillis()); 16738 16739 // Update the package dynamic state if succeeded 16740 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16741 // Now that the install succeeded make sure we remove data 16742 // directories for any child package the update removed. 16743 final int deletedChildCount = (deletedPackage.childPackages != null) 16744 ? deletedPackage.childPackages.size() : 0; 16745 final int newChildCount = (newPackage.childPackages != null) 16746 ? newPackage.childPackages.size() : 0; 16747 for (int i = 0; i < deletedChildCount; i++) { 16748 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16749 boolean childPackageDeleted = true; 16750 for (int j = 0; j < newChildCount; j++) { 16751 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16752 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16753 childPackageDeleted = false; 16754 break; 16755 } 16756 } 16757 if (childPackageDeleted) { 16758 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16759 deletedChildPkg.packageName); 16760 if (ps != null && res.removedInfo.removedChildPackages != null) { 16761 PackageRemovedInfo removedChildRes = res.removedInfo 16762 .removedChildPackages.get(deletedChildPkg.packageName); 16763 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16764 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16765 } 16766 } 16767 } 16768 16769 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16770 installReason); 16771 prepareAppDataAfterInstallLIF(newPackage); 16772 16773 mDexManager.notifyPackageUpdated(newPackage.packageName, 16774 newPackage.baseCodePath, newPackage.splitCodePaths); 16775 } 16776 } catch (PackageManagerException e) { 16777 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16778 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16779 } 16780 16781 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16782 // Re installation failed. Restore old information 16783 // Remove new pkg information 16784 if (newPackage != null) { 16785 removeInstalledPackageLI(newPackage, true); 16786 } 16787 // Add back the old system package 16788 try { 16789 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16790 } catch (PackageManagerException e) { 16791 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16792 } 16793 16794 synchronized (mPackages) { 16795 if (disabledSystem) { 16796 enableSystemPackageLPw(deletedPackage); 16797 } 16798 16799 // Ensure the installer package name up to date 16800 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16801 16802 // Update permissions for restored package 16803 mPermissionManager.updatePermissions( 16804 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16805 mPermissionCallback); 16806 16807 mSettings.writeLPr(); 16808 } 16809 16810 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16811 + " after failed upgrade"); 16812 } 16813 } 16814 16815 /** 16816 * Checks whether the parent or any of the child packages have a change shared 16817 * user. For a package to be a valid update the shred users of the parent and 16818 * the children should match. We may later support changing child shared users. 16819 * @param oldPkg The updated package. 16820 * @param newPkg The update package. 16821 * @return The shared user that change between the versions. 16822 */ 16823 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16824 PackageParser.Package newPkg) { 16825 // Check parent shared user 16826 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16827 return newPkg.packageName; 16828 } 16829 // Check child shared users 16830 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16831 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16832 for (int i = 0; i < newChildCount; i++) { 16833 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16834 // If this child was present, did it have the same shared user? 16835 for (int j = 0; j < oldChildCount; j++) { 16836 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16837 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16838 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16839 return newChildPkg.packageName; 16840 } 16841 } 16842 } 16843 return null; 16844 } 16845 16846 private void removeNativeBinariesLI(PackageSetting ps) { 16847 // Remove the lib path for the parent package 16848 if (ps != null) { 16849 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16850 // Remove the lib path for the child packages 16851 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16852 for (int i = 0; i < childCount; i++) { 16853 PackageSetting childPs = null; 16854 synchronized (mPackages) { 16855 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16856 } 16857 if (childPs != null) { 16858 NativeLibraryHelper.removeNativeBinariesLI(childPs 16859 .legacyNativeLibraryPathString); 16860 } 16861 } 16862 } 16863 } 16864 16865 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16866 // Enable the parent package 16867 mSettings.enableSystemPackageLPw(pkg.packageName); 16868 // Enable the child packages 16869 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16870 for (int i = 0; i < childCount; i++) { 16871 PackageParser.Package childPkg = pkg.childPackages.get(i); 16872 mSettings.enableSystemPackageLPw(childPkg.packageName); 16873 } 16874 } 16875 16876 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16877 PackageParser.Package newPkg) { 16878 // Disable the parent package (parent always replaced) 16879 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16880 // Disable the child packages 16881 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16882 for (int i = 0; i < childCount; i++) { 16883 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16884 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16885 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16886 } 16887 return disabled; 16888 } 16889 16890 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16891 String installerPackageName) { 16892 // Enable the parent package 16893 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16894 // Enable the child packages 16895 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16896 for (int i = 0; i < childCount; i++) { 16897 PackageParser.Package childPkg = pkg.childPackages.get(i); 16898 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16899 } 16900 } 16901 16902 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16903 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16904 // Update the parent package setting 16905 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16906 res, user, installReason); 16907 // Update the child packages setting 16908 final int childCount = (newPackage.childPackages != null) 16909 ? newPackage.childPackages.size() : 0; 16910 for (int i = 0; i < childCount; i++) { 16911 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16912 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16913 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16914 childRes.origUsers, childRes, user, installReason); 16915 } 16916 } 16917 16918 private void updateSettingsInternalLI(PackageParser.Package pkg, 16919 String installerPackageName, int[] allUsers, int[] installedForUsers, 16920 PackageInstalledInfo res, UserHandle user, int installReason) { 16921 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16922 16923 final String pkgName = pkg.packageName; 16924 16925 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + pkg.codePath); 16926 synchronized (mPackages) { 16927 // NOTE: This changes slightly to include UPDATE_PERMISSIONS_ALL regardless of the size of pkg.permissions 16928 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 16929 mPermissionCallback); 16930 // For system-bundled packages, we assume that installing an upgraded version 16931 // of the package implies that the user actually wants to run that new code, 16932 // so we enable the package. 16933 PackageSetting ps = mSettings.mPackages.get(pkgName); 16934 final int userId = user.getIdentifier(); 16935 if (ps != null) { 16936 if (isSystemApp(pkg)) { 16937 if (DEBUG_INSTALL) { 16938 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16939 } 16940 // Enable system package for requested users 16941 if (res.origUsers != null) { 16942 for (int origUserId : res.origUsers) { 16943 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16944 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16945 origUserId, installerPackageName); 16946 } 16947 } 16948 } 16949 // Also convey the prior install/uninstall state 16950 if (allUsers != null && installedForUsers != null) { 16951 for (int currentUserId : allUsers) { 16952 final boolean installed = ArrayUtils.contains( 16953 installedForUsers, currentUserId); 16954 if (DEBUG_INSTALL) { 16955 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16956 } 16957 ps.setInstalled(installed, currentUserId); 16958 } 16959 // these install state changes will be persisted in the 16960 // upcoming call to mSettings.writeLPr(). 16961 } 16962 } 16963 // It's implied that when a user requests installation, they want the app to be 16964 // installed and enabled. 16965 if (userId != UserHandle.USER_ALL) { 16966 ps.setInstalled(true, userId); 16967 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16968 } 16969 16970 // When replacing an existing package, preserve the original install reason for all 16971 // users that had the package installed before. 16972 final Set<Integer> previousUserIds = new ArraySet<>(); 16973 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16974 final int installReasonCount = res.removedInfo.installReasons.size(); 16975 for (int i = 0; i < installReasonCount; i++) { 16976 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16977 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16978 ps.setInstallReason(previousInstallReason, previousUserId); 16979 previousUserIds.add(previousUserId); 16980 } 16981 } 16982 16983 // Set install reason for users that are having the package newly installed. 16984 if (userId == UserHandle.USER_ALL) { 16985 for (int currentUserId : sUserManager.getUserIds()) { 16986 if (!previousUserIds.contains(currentUserId)) { 16987 ps.setInstallReason(installReason, currentUserId); 16988 } 16989 } 16990 } else if (!previousUserIds.contains(userId)) { 16991 ps.setInstallReason(installReason, userId); 16992 } 16993 mSettings.writeKernelMappingLPr(ps); 16994 } 16995 res.name = pkgName; 16996 res.uid = pkg.applicationInfo.uid; 16997 res.pkg = pkg; 16998 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16999 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17000 //to update install status 17001 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 17002 mSettings.writeLPr(); 17003 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17004 } 17005 17006 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17007 } 17008 17009 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 17010 try { 17011 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 17012 installPackageLI(args, res); 17013 } finally { 17014 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17015 } 17016 } 17017 17018 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 17019 final int installFlags = args.installFlags; 17020 final String installerPackageName = args.installerPackageName; 17021 final String volumeUuid = args.volumeUuid; 17022 final File tmpPackageFile = new File(args.getCodePath()); 17023 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 17024 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 17025 || (args.volumeUuid != null)); 17026 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 17027 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 17028 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 17029 final boolean virtualPreload = 17030 ((installFlags & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 17031 boolean replace = false; 17032 @ScanFlags int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 17033 if (args.move != null) { 17034 // moving a complete application; perform an initial scan on the new install location 17035 scanFlags |= SCAN_INITIAL; 17036 } 17037 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 17038 scanFlags |= SCAN_DONT_KILL_APP; 17039 } 17040 if (instantApp) { 17041 scanFlags |= SCAN_AS_INSTANT_APP; 17042 } 17043 if (fullApp) { 17044 scanFlags |= SCAN_AS_FULL_APP; 17045 } 17046 if (virtualPreload) { 17047 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 17048 } 17049 17050 // Result object to be returned 17051 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17052 res.installerPackageName = installerPackageName; 17053 17054 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 17055 17056 // Sanity check 17057 if (instantApp && (forwardLocked || onExternal)) { 17058 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 17059 + " external=" + onExternal); 17060 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 17061 return; 17062 } 17063 17064 // Retrieve PackageSettings and parse package 17065 @ParseFlags final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 17066 | PackageParser.PARSE_ENFORCE_CODE 17067 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 17068 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 17069 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 17070 PackageParser pp = new PackageParser(); 17071 pp.setSeparateProcesses(mSeparateProcesses); 17072 pp.setDisplayMetrics(mMetrics); 17073 pp.setCallback(mPackageParserCallback); 17074 17075 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 17076 final PackageParser.Package pkg; 17077 try { 17078 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 17079 DexMetadataHelper.validatePackageDexMetadata(pkg); 17080 } catch (PackageParserException e) { 17081 res.setError("Failed parse during installPackageLI", e); 17082 return; 17083 } finally { 17084 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17085 } 17086 17087 // Instant apps have several additional install-time checks. 17088 if (instantApp) { 17089 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 17090 Slog.w(TAG, 17091 "Instant app package " + pkg.packageName + " does not target at least O"); 17092 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17093 "Instant app package must target at least O"); 17094 return; 17095 } 17096 if (pkg.applicationInfo.targetSandboxVersion != 2) { 17097 Slog.w(TAG, "Instant app package " + pkg.packageName 17098 + " does not target targetSandboxVersion 2"); 17099 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17100 "Instant app package must use targetSandboxVersion 2"); 17101 return; 17102 } 17103 if (pkg.mSharedUserId != null) { 17104 Slog.w(TAG, "Instant app package " + pkg.packageName 17105 + " may not declare sharedUserId."); 17106 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17107 "Instant app package may not declare a sharedUserId"); 17108 return; 17109 } 17110 } 17111 17112 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17113 // Static shared libraries have synthetic package names 17114 renameStaticSharedLibraryPackage(pkg); 17115 17116 // No static shared libs on external storage 17117 if (onExternal) { 17118 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 17119 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17120 "Packages declaring static-shared libs cannot be updated"); 17121 return; 17122 } 17123 } 17124 17125 // If we are installing a clustered package add results for the children 17126 if (pkg.childPackages != null) { 17127 synchronized (mPackages) { 17128 final int childCount = pkg.childPackages.size(); 17129 for (int i = 0; i < childCount; i++) { 17130 PackageParser.Package childPkg = pkg.childPackages.get(i); 17131 PackageInstalledInfo childRes = new PackageInstalledInfo(); 17132 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17133 childRes.pkg = childPkg; 17134 childRes.name = childPkg.packageName; 17135 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17136 if (childPs != null) { 17137 childRes.origUsers = childPs.queryInstalledUsers( 17138 sUserManager.getUserIds(), true); 17139 } 17140 if ((mPackages.containsKey(childPkg.packageName))) { 17141 childRes.removedInfo = new PackageRemovedInfo(this); 17142 childRes.removedInfo.removedPackage = childPkg.packageName; 17143 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 17144 } 17145 if (res.addedChildPackages == null) { 17146 res.addedChildPackages = new ArrayMap<>(); 17147 } 17148 res.addedChildPackages.put(childPkg.packageName, childRes); 17149 } 17150 } 17151 } 17152 17153 // If package doesn't declare API override, mark that we have an install 17154 // time CPU ABI override. 17155 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 17156 pkg.cpuAbiOverride = args.abiOverride; 17157 } 17158 17159 String pkgName = res.name = pkg.packageName; 17160 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 17161 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 17162 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 17163 return; 17164 } 17165 } 17166 17167 try { 17168 // either use what we've been given or parse directly from the APK 17169 if (args.signingDetails != PackageParser.SigningDetails.UNKNOWN) { 17170 pkg.setSigningDetails(args.signingDetails); 17171 } else { 17172 PackageParser.collectCertificates(pkg, false /* skipVerify */); 17173 } 17174 } catch (PackageParserException e) { 17175 res.setError("Failed collect during installPackageLI", e); 17176 return; 17177 } 17178 17179 if (instantApp && pkg.mSigningDetails.signatureSchemeVersion 17180 < SignatureSchemeVersion.SIGNING_BLOCK_V2) { 17181 Slog.w(TAG, "Instant app package " + pkg.packageName 17182 + " is not signed with at least APK Signature Scheme v2"); 17183 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17184 "Instant app package must be signed with APK Signature Scheme v2 or greater"); 17185 return; 17186 } 17187 17188 // Get rid of all references to package scan path via parser. 17189 pp = null; 17190 String oldCodePath = null; 17191 boolean systemApp = false; 17192 synchronized (mPackages) { 17193 // Check if installing already existing package 17194 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 17195 String oldName = mSettings.getRenamedPackageLPr(pkgName); 17196 if (pkg.mOriginalPackages != null 17197 && pkg.mOriginalPackages.contains(oldName) 17198 && mPackages.containsKey(oldName)) { 17199 // This package is derived from an original package, 17200 // and this device has been updating from that original 17201 // name. We must continue using the original name, so 17202 // rename the new package here. 17203 pkg.setPackageName(oldName); 17204 pkgName = pkg.packageName; 17205 replace = true; 17206 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 17207 + oldName + " pkgName=" + pkgName); 17208 } else if (mPackages.containsKey(pkgName)) { 17209 // This package, under its official name, already exists 17210 // on the device; we should replace it. 17211 replace = true; 17212 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 17213 } 17214 17215 // Child packages are installed through the parent package 17216 if (pkg.parentPackage != null) { 17217 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17218 "Package " + pkg.packageName + " is child of package " 17219 + pkg.parentPackage.parentPackage + ". Child packages " 17220 + "can be updated only through the parent package."); 17221 return; 17222 } 17223 17224 if (replace) { 17225 // Prevent apps opting out from runtime permissions 17226 PackageParser.Package oldPackage = mPackages.get(pkgName); 17227 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 17228 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 17229 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 17230 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 17231 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 17232 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 17233 + " doesn't support runtime permissions but the old" 17234 + " target SDK " + oldTargetSdk + " does."); 17235 return; 17236 } 17237 // Prevent persistent apps from being updated 17238 if ((oldPackage.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0) { 17239 res.setError(PackageManager.INSTALL_FAILED_INVALID_APK, 17240 "Package " + oldPackage.packageName + " is a persistent app. " 17241 + "Persistent apps are not updateable."); 17242 return; 17243 } 17244 // Prevent installing of child packages 17245 if (oldPackage.parentPackage != null) { 17246 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17247 "Package " + pkg.packageName + " is child of package " 17248 + oldPackage.parentPackage + ". Child packages " 17249 + "can be updated only through the parent package."); 17250 return; 17251 } 17252 } 17253 } 17254 17255 PackageSetting ps = mSettings.mPackages.get(pkgName); 17256 if (ps != null) { 17257 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 17258 17259 // Static shared libs have same package with different versions where 17260 // we internally use a synthetic package name to allow multiple versions 17261 // of the same package, therefore we need to compare signatures against 17262 // the package setting for the latest library version. 17263 PackageSetting signatureCheckPs = ps; 17264 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17265 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 17266 if (libraryEntry != null) { 17267 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 17268 } 17269 } 17270 17271 // Quick sanity check that we're signed correctly if updating; 17272 // we'll check this again later when scanning, but we want to 17273 // bail early here before tripping over redefined permissions. 17274 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 17275 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 17276 if (!ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 17277 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 17278 + pkg.packageName + " upgrade keys do not match the " 17279 + "previously installed version"); 17280 return; 17281 } 17282 } else { 17283 try { 17284 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 17285 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 17286 // We don't care about disabledPkgSetting on install for now. 17287 final boolean compatMatch = verifySignatures( 17288 signatureCheckPs, null, pkg.mSigningDetails, compareCompat, 17289 compareRecover); 17290 // The new KeySets will be re-added later in the scanning process. 17291 if (compatMatch) { 17292 synchronized (mPackages) { 17293 ksms.removeAppKeySetDataLPw(pkg.packageName); 17294 } 17295 } 17296 } catch (PackageManagerException e) { 17297 res.setError(e.error, e.getMessage()); 17298 return; 17299 } 17300 } 17301 17302 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 17303 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 17304 systemApp = (ps.pkg.applicationInfo.flags & 17305 ApplicationInfo.FLAG_SYSTEM) != 0; 17306 } 17307 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17308 } 17309 17310 int N = pkg.permissions.size(); 17311 for (int i = N-1; i >= 0; i--) { 17312 final PackageParser.Permission perm = pkg.permissions.get(i); 17313 final BasePermission bp = 17314 (BasePermission) mPermissionManager.getPermissionTEMP(perm.info.name); 17315 17316 // Don't allow anyone but the system to define ephemeral permissions. 17317 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTANT) != 0 17318 && !systemApp) { 17319 Slog.w(TAG, "Non-System package " + pkg.packageName 17320 + " attempting to delcare ephemeral permission " 17321 + perm.info.name + "; Removing ephemeral."); 17322 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_INSTANT; 17323 } 17324 17325 // Check whether the newly-scanned package wants to define an already-defined perm 17326 if (bp != null) { 17327 // If the defining package is signed with our cert, it's okay. This 17328 // also includes the "updating the same package" case, of course. 17329 // "updating same package" could also involve key-rotation. 17330 final boolean sigsOk; 17331 final String sourcePackageName = bp.getSourcePackageName(); 17332 final PackageSettingBase sourcePackageSetting = bp.getSourcePackageSetting(); 17333 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 17334 if (sourcePackageName.equals(pkg.packageName) 17335 && (ksms.shouldCheckUpgradeKeySetLocked( 17336 sourcePackageSetting, scanFlags))) { 17337 sigsOk = ksms.checkUpgradeKeySetLocked(sourcePackageSetting, pkg); 17338 } else { 17339 17340 // in the event of signing certificate rotation, we need to see if the 17341 // package's certificate has rotated from the current one, or if it is an 17342 // older certificate with which the current is ok with sharing permissions 17343 if (sourcePackageSetting.signatures.mSigningDetails.checkCapability( 17344 pkg.mSigningDetails, 17345 PackageParser.SigningDetails.CertCapabilities.PERMISSION)) { 17346 sigsOk = true; 17347 } else if (pkg.mSigningDetails.checkCapability( 17348 sourcePackageSetting.signatures.mSigningDetails, 17349 PackageParser.SigningDetails.CertCapabilities.PERMISSION)) { 17350 17351 // the scanned package checks out, has signing certificate rotation 17352 // history, and is newer; bring it over 17353 sourcePackageSetting.signatures.mSigningDetails = pkg.mSigningDetails; 17354 sigsOk = true; 17355 } else { 17356 sigsOk = false; 17357 } 17358 } 17359 if (!sigsOk) { 17360 // If the owning package is the system itself, we log but allow 17361 // install to proceed; we fail the install on all other permission 17362 // redefinitions. 17363 if (!sourcePackageName.equals("android")) { 17364 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 17365 + pkg.packageName + " attempting to redeclare permission " 17366 + perm.info.name + " already owned by " + sourcePackageName); 17367 res.origPermission = perm.info.name; 17368 res.origPackage = sourcePackageName; 17369 return; 17370 } else { 17371 Slog.w(TAG, "Package " + pkg.packageName 17372 + " attempting to redeclare system permission " 17373 + perm.info.name + "; ignoring new declaration"); 17374 pkg.permissions.remove(i); 17375 } 17376 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 17377 // Prevent apps to change protection level to dangerous from any other 17378 // type as this would allow a privilege escalation where an app adds a 17379 // normal/signature permission in other app's group and later redefines 17380 // it as dangerous leading to the group auto-grant. 17381 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 17382 == PermissionInfo.PROTECTION_DANGEROUS) { 17383 if (bp != null && !bp.isRuntime()) { 17384 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 17385 + "non-runtime permission " + perm.info.name 17386 + " to runtime; keeping old protection level"); 17387 perm.info.protectionLevel = bp.getProtectionLevel(); 17388 } 17389 } 17390 } 17391 } 17392 } 17393 } 17394 17395 if (systemApp) { 17396 if (onExternal) { 17397 // Abort update; system app can't be replaced with app on sdcard 17398 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17399 "Cannot install updates to system apps on sdcard"); 17400 return; 17401 } else if (instantApp) { 17402 // Abort update; system app can't be replaced with an instant app 17403 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17404 "Cannot update a system app with an instant app"); 17405 return; 17406 } 17407 } 17408 17409 if (args.move != null) { 17410 // We did an in-place move, so dex is ready to roll 17411 scanFlags |= SCAN_NO_DEX; 17412 scanFlags |= SCAN_MOVE; 17413 17414 synchronized (mPackages) { 17415 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17416 if (ps == null) { 17417 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 17418 "Missing settings for moved package " + pkgName); 17419 } 17420 17421 // We moved the entire application as-is, so bring over the 17422 // previously derived ABI information. 17423 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 17424 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 17425 } 17426 17427 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 17428 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 17429 scanFlags |= SCAN_NO_DEX; 17430 17431 try { 17432 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 17433 args.abiOverride : pkg.cpuAbiOverride); 17434 final boolean extractNativeLibs = !pkg.isLibrary(); 17435 derivePackageAbi(pkg, abiOverride, extractNativeLibs); 17436 } catch (PackageManagerException pme) { 17437 Slog.e(TAG, "Error deriving application ABI", pme); 17438 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 17439 return; 17440 } 17441 17442 // Shared libraries for the package need to be updated. 17443 synchronized (mPackages) { 17444 try { 17445 updateSharedLibrariesLPr(pkg, null); 17446 } catch (PackageManagerException e) { 17447 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17448 } 17449 } 17450 } 17451 17452 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 17453 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 17454 return; 17455 } 17456 17457 if (PackageManagerServiceUtils.isApkVerityEnabled()) { 17458 String apkPath = null; 17459 synchronized (mPackages) { 17460 // Note that if the attacker managed to skip verify setup, for example by tampering 17461 // with the package settings, upon reboot we will do full apk verification when 17462 // verity is not detected. 17463 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17464 if (ps != null && ps.isPrivileged()) { 17465 apkPath = pkg.baseCodePath; 17466 } 17467 } 17468 17469 if (apkPath != null) { 17470 final VerityUtils.SetupResult result = 17471 VerityUtils.generateApkVeritySetupData(apkPath); 17472 if (result.isOk()) { 17473 if (Build.IS_DEBUGGABLE) Slog.i(TAG, "Enabling apk verity to " + apkPath); 17474 FileDescriptor fd = result.getUnownedFileDescriptor(); 17475 try { 17476 final byte[] signedRootHash = VerityUtils.generateFsverityRootHash(apkPath); 17477 mInstaller.installApkVerity(apkPath, fd, result.getContentSize()); 17478 mInstaller.assertFsverityRootHashMatches(apkPath, signedRootHash); 17479 } catch (InstallerException | IOException | DigestException | 17480 NoSuchAlgorithmException e) { 17481 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 17482 "Failed to set up verity: " + e); 17483 return; 17484 } finally { 17485 IoUtils.closeQuietly(fd); 17486 } 17487 } else if (result.isFailed()) { 17488 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Failed to generate verity"); 17489 return; 17490 } else { 17491 // Do nothing if verity is skipped. Will fall back to full apk verification on 17492 // reboot. 17493 } 17494 } 17495 } 17496 17497 if (!instantApp) { 17498 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 17499 } else { 17500 if (DEBUG_DOMAIN_VERIFICATION) { 17501 Slog.d(TAG, "Not verifying instant app install for app links: " + pkgName); 17502 } 17503 } 17504 17505 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 17506 "installPackageLI")) { 17507 if (replace) { 17508 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17509 // Static libs have a synthetic package name containing the version 17510 // and cannot be updated as an update would get a new package name, 17511 // unless this is the exact same version code which is useful for 17512 // development. 17513 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 17514 if (existingPkg != null && 17515 existingPkg.getLongVersionCode() != pkg.getLongVersionCode()) { 17516 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 17517 + "static-shared libs cannot be updated"); 17518 return; 17519 } 17520 } 17521 replacePackageLIF(pkg, parseFlags, scanFlags, args.user, 17522 installerPackageName, res, args.installReason); 17523 } else { 17524 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 17525 args.user, installerPackageName, volumeUuid, res, args.installReason); 17526 } 17527 } 17528 17529 // Prepare the application profiles for the new code paths. 17530 // This needs to be done before invoking dexopt so that any install-time profile 17531 // can be used for optimizations. 17532 mArtManagerService.prepareAppProfiles(pkg, resolveUserIds(args.user.getIdentifier())); 17533 17534 // Check whether we need to dexopt the app. 17535 // 17536 // NOTE: it is IMPORTANT to call dexopt: 17537 // - after doRename which will sync the package data from PackageParser.Package and its 17538 // corresponding ApplicationInfo. 17539 // - after installNewPackageLIF or replacePackageLIF which will update result with the 17540 // uid of the application (pkg.applicationInfo.uid). 17541 // This update happens in place! 17542 // 17543 // We only need to dexopt if the package meets ALL of the following conditions: 17544 // 1) it is not forward locked. 17545 // 2) it is not on on an external ASEC container. 17546 // 3) it is not an instant app or if it is then dexopt is enabled via gservices. 17547 // 4) it is not debuggable. 17548 // 17549 // Note that we do not dexopt instant apps by default. dexopt can take some time to 17550 // complete, so we skip this step during installation. Instead, we'll take extra time 17551 // the first time the instant app starts. It's preferred to do it this way to provide 17552 // continuous progress to the useur instead of mysteriously blocking somewhere in the 17553 // middle of running an instant app. The default behaviour can be overridden 17554 // via gservices. 17555 final boolean performDexopt = (res.returnCode == PackageManager.INSTALL_SUCCEEDED) 17556 && !forwardLocked 17557 && !pkg.applicationInfo.isExternalAsec() 17558 && (!instantApp || Global.getInt(mContext.getContentResolver(), 17559 Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0) 17560 && ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0); 17561 17562 if (performDexopt) { 17563 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 17564 // Do not run PackageDexOptimizer through the local performDexOpt 17565 // method because `pkg` may not be in `mPackages` yet. 17566 // 17567 // Also, don't fail application installs if the dexopt step fails. 17568 DexoptOptions dexoptOptions = new DexoptOptions(pkg.packageName, 17569 REASON_INSTALL, 17570 DexoptOptions.DEXOPT_BOOT_COMPLETE | 17571 DexoptOptions.DEXOPT_INSTALL_WITH_DEX_METADATA_FILE); 17572 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 17573 null /* instructionSets */, 17574 getOrCreateCompilerPackageStats(pkg), 17575 mDexManager.getPackageUseInfoOrDefault(pkg.packageName), 17576 dexoptOptions); 17577 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17578 } 17579 17580 // Notify BackgroundDexOptService that the package has been changed. 17581 // If this is an update of a package which used to fail to compile, 17582 // BackgroundDexOptService will remove it from its blacklist. 17583 // TODO: Layering violation 17584 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 17585 17586 synchronized (mPackages) { 17587 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17588 if (ps != null) { 17589 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17590 ps.setUpdateAvailable(false /*updateAvailable*/); 17591 } 17592 17593 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17594 for (int i = 0; i < childCount; i++) { 17595 PackageParser.Package childPkg = pkg.childPackages.get(i); 17596 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 17597 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17598 if (childPs != null) { 17599 childRes.newUsers = childPs.queryInstalledUsers( 17600 sUserManager.getUserIds(), true); 17601 } 17602 } 17603 17604 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17605 updateSequenceNumberLP(ps, res.newUsers); 17606 updateInstantAppInstallerLocked(pkgName); 17607 } 17608 } 17609 } 17610 17611 private void startIntentFilterVerifications(int userId, boolean replacing, 17612 PackageParser.Package pkg) { 17613 if (mIntentFilterVerifierComponent == null) { 17614 Slog.w(TAG, "No IntentFilter verification will not be done as " 17615 + "there is no IntentFilterVerifier available!"); 17616 return; 17617 } 17618 17619 final int verifierUid = getPackageUid( 17620 mIntentFilterVerifierComponent.getPackageName(), 17621 MATCH_DEBUG_TRIAGED_MISSING, 17622 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17623 17624 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17625 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17626 mHandler.sendMessage(msg); 17627 17628 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17629 for (int i = 0; i < childCount; i++) { 17630 PackageParser.Package childPkg = pkg.childPackages.get(i); 17631 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17632 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17633 mHandler.sendMessage(msg); 17634 } 17635 } 17636 17637 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17638 PackageParser.Package pkg) { 17639 int size = pkg.activities.size(); 17640 if (size == 0) { 17641 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17642 "No activity, so no need to verify any IntentFilter!"); 17643 return; 17644 } 17645 17646 final boolean hasDomainURLs = hasDomainURLs(pkg); 17647 if (!hasDomainURLs) { 17648 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17649 "No domain URLs, so no need to verify any IntentFilter!"); 17650 return; 17651 } 17652 17653 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17654 + " if any IntentFilter from the " + size 17655 + " Activities needs verification ..."); 17656 17657 int count = 0; 17658 final String packageName = pkg.packageName; 17659 17660 synchronized (mPackages) { 17661 // If this is a new install and we see that we've already run verification for this 17662 // package, we have nothing to do: it means the state was restored from backup. 17663 if (!replacing) { 17664 IntentFilterVerificationInfo ivi = 17665 mSettings.getIntentFilterVerificationLPr(packageName); 17666 if (ivi != null) { 17667 if (DEBUG_DOMAIN_VERIFICATION) { 17668 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17669 + ivi.getStatusString()); 17670 } 17671 return; 17672 } 17673 } 17674 17675 // If any filters need to be verified, then all need to be. 17676 boolean needToVerify = false; 17677 for (PackageParser.Activity a : pkg.activities) { 17678 for (ActivityIntentInfo filter : a.intents) { 17679 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17680 if (DEBUG_DOMAIN_VERIFICATION) { 17681 Slog.d(TAG, 17682 "Intent filter needs verification, so processing all filters"); 17683 } 17684 needToVerify = true; 17685 break; 17686 } 17687 } 17688 } 17689 17690 if (needToVerify) { 17691 final int verificationId = mIntentFilterVerificationToken++; 17692 for (PackageParser.Activity a : pkg.activities) { 17693 for (ActivityIntentInfo filter : a.intents) { 17694 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17695 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17696 "Verification needed for IntentFilter:" + filter.toString()); 17697 mIntentFilterVerifier.addOneIntentFilterVerification( 17698 verifierUid, userId, verificationId, filter, packageName); 17699 count++; 17700 } 17701 } 17702 } 17703 } 17704 } 17705 17706 if (count > 0) { 17707 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17708 + " IntentFilter verification" + (count > 1 ? "s" : "") 17709 + " for userId:" + userId); 17710 mIntentFilterVerifier.startVerifications(userId); 17711 } else { 17712 if (DEBUG_DOMAIN_VERIFICATION) { 17713 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17714 } 17715 } 17716 } 17717 17718 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17719 final ComponentName cn = filter.activity.getComponentName(); 17720 final String packageName = cn.getPackageName(); 17721 17722 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17723 packageName); 17724 if (ivi == null) { 17725 return true; 17726 } 17727 int status = ivi.getStatus(); 17728 switch (status) { 17729 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17730 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17731 return true; 17732 17733 default: 17734 // Nothing to do 17735 return false; 17736 } 17737 } 17738 17739 private static boolean isMultiArch(ApplicationInfo info) { 17740 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17741 } 17742 17743 private static boolean isExternal(PackageParser.Package pkg) { 17744 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17745 } 17746 17747 private static boolean isExternal(PackageSetting ps) { 17748 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17749 } 17750 17751 private static boolean isSystemApp(PackageParser.Package pkg) { 17752 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17753 } 17754 17755 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17756 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17757 } 17758 17759 private static boolean isOemApp(PackageParser.Package pkg) { 17760 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 17761 } 17762 17763 private static boolean isVendorApp(PackageParser.Package pkg) { 17764 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 17765 } 17766 17767 private static boolean isProductApp(PackageParser.Package pkg) { 17768 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRODUCT) != 0; 17769 } 17770 17771 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17772 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17773 } 17774 17775 private static boolean isSystemApp(PackageSetting ps) { 17776 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17777 } 17778 17779 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17780 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17781 } 17782 17783 private int packageFlagsToInstallFlags(PackageSetting ps) { 17784 int installFlags = 0; 17785 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17786 // This existing package was an external ASEC install when we have 17787 // the external flag without a UUID 17788 installFlags |= PackageManager.INSTALL_EXTERNAL; 17789 } 17790 if (ps.isForwardLocked()) { 17791 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17792 } 17793 return installFlags; 17794 } 17795 17796 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17797 if (isExternal(pkg)) { 17798 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17799 return mSettings.getExternalVersion(); 17800 } else { 17801 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17802 } 17803 } else { 17804 return mSettings.getInternalVersion(); 17805 } 17806 } 17807 17808 private void deleteTempPackageFiles() { 17809 final FilenameFilter filter = new FilenameFilter() { 17810 public boolean accept(File dir, String name) { 17811 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17812 } 17813 }; 17814 for (File file : sDrmAppPrivateInstallDir.listFiles(filter)) { 17815 file.delete(); 17816 } 17817 } 17818 17819 @Override 17820 public void deletePackageAsUser(String packageName, int versionCode, 17821 IPackageDeleteObserver observer, int userId, int flags) { 17822 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17823 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17824 } 17825 17826 @Override 17827 public void deletePackageVersioned(VersionedPackage versionedPackage, 17828 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17829 final int callingUid = Binder.getCallingUid(); 17830 mContext.enforceCallingOrSelfPermission( 17831 android.Manifest.permission.DELETE_PACKAGES, null); 17832 final boolean canViewInstantApps = canViewInstantApps(callingUid, userId); 17833 Preconditions.checkNotNull(versionedPackage); 17834 Preconditions.checkNotNull(observer); 17835 Preconditions.checkArgumentInRange(versionedPackage.getLongVersionCode(), 17836 PackageManager.VERSION_CODE_HIGHEST, 17837 Long.MAX_VALUE, "versionCode must be >= -1"); 17838 17839 final String packageName = versionedPackage.getPackageName(); 17840 final long versionCode = versionedPackage.getLongVersionCode(); 17841 final String internalPackageName; 17842 synchronized (mPackages) { 17843 // Normalize package name to handle renamed packages and static libs 17844 internalPackageName = resolveInternalPackageNameLPr(packageName, versionCode); 17845 } 17846 17847 final int uid = Binder.getCallingUid(); 17848 if (!isOrphaned(internalPackageName) 17849 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17850 try { 17851 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17852 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17853 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17854 observer.onUserActionRequired(intent); 17855 } catch (RemoteException re) { 17856 } 17857 return; 17858 } 17859 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17860 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17861 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17862 mContext.enforceCallingOrSelfPermission( 17863 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17864 "deletePackage for user " + userId); 17865 } 17866 17867 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17868 try { 17869 observer.onPackageDeleted(packageName, 17870 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17871 } catch (RemoteException re) { 17872 } 17873 return; 17874 } 17875 17876 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17877 try { 17878 observer.onPackageDeleted(packageName, 17879 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17880 } catch (RemoteException re) { 17881 } 17882 return; 17883 } 17884 17885 if (DEBUG_REMOVE) { 17886 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17887 + " deleteAllUsers: " + deleteAllUsers + " version=" 17888 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17889 ? "VERSION_CODE_HIGHEST" : versionCode)); 17890 } 17891 // Queue up an async operation since the package deletion may take a little while. 17892 mHandler.post(new Runnable() { 17893 public void run() { 17894 mHandler.removeCallbacks(this); 17895 int returnCode; 17896 final PackageSetting ps = mSettings.mPackages.get(internalPackageName); 17897 boolean doDeletePackage = true; 17898 if (ps != null) { 17899 final boolean targetIsInstantApp = 17900 ps.getInstantApp(UserHandle.getUserId(callingUid)); 17901 doDeletePackage = !targetIsInstantApp 17902 || canViewInstantApps; 17903 } 17904 if (doDeletePackage) { 17905 if (!deleteAllUsers) { 17906 returnCode = deletePackageX(internalPackageName, versionCode, 17907 userId, deleteFlags); 17908 } else { 17909 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17910 internalPackageName, users); 17911 // If nobody is blocking uninstall, proceed with delete for all users 17912 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17913 returnCode = deletePackageX(internalPackageName, versionCode, 17914 userId, deleteFlags); 17915 } else { 17916 // Otherwise uninstall individually for users with blockUninstalls=false 17917 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17918 for (int userId : users) { 17919 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17920 returnCode = deletePackageX(internalPackageName, versionCode, 17921 userId, userFlags); 17922 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17923 Slog.w(TAG, "Package delete failed for user " + userId 17924 + ", returnCode " + returnCode); 17925 } 17926 } 17927 } 17928 // The app has only been marked uninstalled for certain users. 17929 // We still need to report that delete was blocked 17930 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17931 } 17932 } 17933 } else { 17934 returnCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17935 } 17936 try { 17937 observer.onPackageDeleted(packageName, returnCode, null); 17938 } catch (RemoteException e) { 17939 Log.i(TAG, "Observer no longer exists."); 17940 } //end catch 17941 } //end run 17942 }); 17943 } 17944 17945 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17946 if (pkg.staticSharedLibName != null) { 17947 return pkg.manifestPackageName; 17948 } 17949 return pkg.packageName; 17950 } 17951 17952 private String resolveInternalPackageNameLPr(String packageName, long versionCode) { 17953 // Handle renamed packages 17954 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17955 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17956 17957 // Is this a static library? 17958 LongSparseArray<SharedLibraryEntry> versionedLib = 17959 mStaticLibsByDeclaringPackage.get(packageName); 17960 if (versionedLib == null || versionedLib.size() <= 0) { 17961 return packageName; 17962 } 17963 17964 // Figure out which lib versions the caller can see 17965 LongSparseLongArray versionsCallerCanSee = null; 17966 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17967 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17968 && callingAppId != Process.ROOT_UID) { 17969 versionsCallerCanSee = new LongSparseLongArray(); 17970 String libName = versionedLib.valueAt(0).info.getName(); 17971 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17972 if (uidPackages != null) { 17973 for (String uidPackage : uidPackages) { 17974 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17975 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17976 if (libIdx >= 0) { 17977 final long libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17978 versionsCallerCanSee.append(libVersion, libVersion); 17979 } 17980 } 17981 } 17982 } 17983 17984 // Caller can see nothing - done 17985 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17986 return packageName; 17987 } 17988 17989 // Find the version the caller can see and the app version code 17990 SharedLibraryEntry highestVersion = null; 17991 final int versionCount = versionedLib.size(); 17992 for (int i = 0; i < versionCount; i++) { 17993 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17994 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17995 libEntry.info.getLongVersion()) < 0) { 17996 continue; 17997 } 17998 final long libVersionCode = libEntry.info.getDeclaringPackage().getLongVersionCode(); 17999 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 18000 if (libVersionCode == versionCode) { 18001 return libEntry.apk; 18002 } 18003 } else if (highestVersion == null) { 18004 highestVersion = libEntry; 18005 } else if (libVersionCode > highestVersion.info 18006 .getDeclaringPackage().getLongVersionCode()) { 18007 highestVersion = libEntry; 18008 } 18009 } 18010 18011 if (highestVersion != null) { 18012 return highestVersion.apk; 18013 } 18014 18015 return packageName; 18016 } 18017 18018 boolean isCallerVerifier(int callingUid) { 18019 final int callingUserId = UserHandle.getUserId(callingUid); 18020 return mRequiredVerifierPackage != null && 18021 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId); 18022 } 18023 18024 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 18025 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 18026 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18027 return true; 18028 } 18029 final int callingUserId = UserHandle.getUserId(callingUid); 18030 // If the caller installed the pkgName, then allow it to silently uninstall. 18031 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 18032 return true; 18033 } 18034 18035 // Allow package verifier to silently uninstall. 18036 if (mRequiredVerifierPackage != null && 18037 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 18038 return true; 18039 } 18040 18041 // Allow package uninstaller to silently uninstall. 18042 if (mRequiredUninstallerPackage != null && 18043 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 18044 return true; 18045 } 18046 18047 // Allow storage manager to silently uninstall. 18048 if (mStorageManagerPackage != null && 18049 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 18050 return true; 18051 } 18052 18053 // Allow caller having MANAGE_PROFILE_AND_DEVICE_OWNERS permission to silently 18054 // uninstall for device owner provisioning. 18055 if (checkUidPermission(MANAGE_PROFILE_AND_DEVICE_OWNERS, callingUid) 18056 == PERMISSION_GRANTED) { 18057 return true; 18058 } 18059 18060 return false; 18061 } 18062 18063 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 18064 int[] result = EMPTY_INT_ARRAY; 18065 for (int userId : userIds) { 18066 if (getBlockUninstallForUser(packageName, userId)) { 18067 result = ArrayUtils.appendInt(result, userId); 18068 } 18069 } 18070 return result; 18071 } 18072 18073 @Override 18074 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 18075 final int callingUid = Binder.getCallingUid(); 18076 if (getInstantAppPackageName(callingUid) != null 18077 && !isCallerSameApp(packageName, callingUid)) { 18078 return false; 18079 } 18080 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 18081 } 18082 18083 private boolean isPackageDeviceAdmin(String packageName, int userId) { 18084 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 18085 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 18086 try { 18087 if (dpm != null) { 18088 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 18089 /* callingUserOnly =*/ false); 18090 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 18091 : deviceOwnerComponentName.getPackageName(); 18092 // Does the package contains the device owner? 18093 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 18094 // this check is probably not needed, since DO should be registered as a device 18095 // admin on some user too. (Original bug for this: b/17657954) 18096 if (packageName.equals(deviceOwnerPackageName)) { 18097 return true; 18098 } 18099 // Does it contain a device admin for any user? 18100 int[] users; 18101 if (userId == UserHandle.USER_ALL) { 18102 users = sUserManager.getUserIds(); 18103 } else { 18104 users = new int[]{userId}; 18105 } 18106 for (int i = 0; i < users.length; ++i) { 18107 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 18108 return true; 18109 } 18110 } 18111 } 18112 } catch (RemoteException e) { 18113 } 18114 return false; 18115 } 18116 18117 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 18118 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 18119 } 18120 18121 /** 18122 * This method is an internal method that could be get invoked either 18123 * to delete an installed package or to clean up a failed installation. 18124 * After deleting an installed package, a broadcast is sent to notify any 18125 * listeners that the package has been removed. For cleaning up a failed 18126 * installation, the broadcast is not necessary since the package's 18127 * installation wouldn't have sent the initial broadcast either 18128 * The key steps in deleting a package are 18129 * deleting the package information in internal structures like mPackages, 18130 * deleting the packages base directories through installd 18131 * updating mSettings to reflect current status 18132 * persisting settings for later use 18133 * sending a broadcast if necessary 18134 */ 18135 int deletePackageX(String packageName, long versionCode, int userId, int deleteFlags) { 18136 final PackageRemovedInfo info = new PackageRemovedInfo(this); 18137 final boolean res; 18138 18139 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 18140 ? UserHandle.USER_ALL : userId; 18141 18142 if (isPackageDeviceAdmin(packageName, removeUser)) { 18143 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 18144 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 18145 } 18146 18147 PackageSetting uninstalledPs = null; 18148 PackageParser.Package pkg = null; 18149 18150 // for the uninstall-updates case and restricted profiles, remember the per- 18151 // user handle installed state 18152 int[] allUsers; 18153 synchronized (mPackages) { 18154 uninstalledPs = mSettings.mPackages.get(packageName); 18155 if (uninstalledPs == null) { 18156 Slog.w(TAG, "Not removing non-existent package " + packageName); 18157 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18158 } 18159 18160 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 18161 && uninstalledPs.versionCode != versionCode) { 18162 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 18163 + uninstalledPs.versionCode + " != " + versionCode); 18164 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18165 } 18166 18167 // Static shared libs can be declared by any package, so let us not 18168 // allow removing a package if it provides a lib others depend on. 18169 pkg = mPackages.get(packageName); 18170 18171 allUsers = sUserManager.getUserIds(); 18172 18173 if (pkg != null && pkg.staticSharedLibName != null) { 18174 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 18175 pkg.staticSharedLibVersion); 18176 if (libEntry != null) { 18177 for (int currUserId : allUsers) { 18178 if (removeUser != UserHandle.USER_ALL && removeUser != currUserId) { 18179 continue; 18180 } 18181 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 18182 libEntry.info, 0, currUserId); 18183 if (!ArrayUtils.isEmpty(libClientPackages)) { 18184 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 18185 + " hosting lib " + libEntry.info.getName() + " version " 18186 + libEntry.info.getLongVersion() + " used by " + libClientPackages 18187 + " for user " + currUserId); 18188 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 18189 } 18190 } 18191 } 18192 } 18193 18194 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 18195 } 18196 18197 final int freezeUser; 18198 if (isUpdatedSystemApp(uninstalledPs) 18199 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 18200 // We're downgrading a system app, which will apply to all users, so 18201 // freeze them all during the downgrade 18202 freezeUser = UserHandle.USER_ALL; 18203 } else { 18204 freezeUser = removeUser; 18205 } 18206 18207 synchronized (mInstallLock) { 18208 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 18209 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 18210 deleteFlags, "deletePackageX")) { 18211 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 18212 deleteFlags | PackageManager.DELETE_CHATTY, info, true, null); 18213 } 18214 synchronized (mPackages) { 18215 if (res) { 18216 if (pkg != null) { 18217 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 18218 } 18219 updateSequenceNumberLP(uninstalledPs, info.removedUsers); 18220 updateInstantAppInstallerLocked(packageName); 18221 } 18222 } 18223 } 18224 18225 if (res) { 18226 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 18227 info.sendPackageRemovedBroadcasts(killApp); 18228 info.sendSystemPackageUpdatedBroadcasts(); 18229 info.sendSystemPackageAppearedBroadcasts(); 18230 } 18231 // Force a gc here. 18232 Runtime.getRuntime().gc(); 18233 // Delete the resources here after sending the broadcast to let 18234 // other processes clean up before deleting resources. 18235 if (info.args != null) { 18236 synchronized (mInstallLock) { 18237 info.args.doPostDeleteLI(true); 18238 } 18239 } 18240 18241 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18242 } 18243 18244 static class PackageRemovedInfo { 18245 final PackageSender packageSender; 18246 String removedPackage; 18247 String installerPackageName; 18248 int uid = -1; 18249 int removedAppId = -1; 18250 int[] origUsers; 18251 int[] removedUsers = null; 18252 int[] broadcastUsers = null; 18253 int[] instantUserIds = null; 18254 SparseArray<Integer> installReasons; 18255 boolean isRemovedPackageSystemUpdate = false; 18256 boolean isUpdate; 18257 boolean dataRemoved; 18258 boolean removedForAllUsers; 18259 boolean isStaticSharedLib; 18260 // Clean up resources deleted packages. 18261 InstallArgs args = null; 18262 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 18263 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 18264 18265 PackageRemovedInfo(PackageSender packageSender) { 18266 this.packageSender = packageSender; 18267 } 18268 18269 void sendPackageRemovedBroadcasts(boolean killApp) { 18270 sendPackageRemovedBroadcastInternal(killApp); 18271 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 18272 for (int i = 0; i < childCount; i++) { 18273 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18274 childInfo.sendPackageRemovedBroadcastInternal(killApp); 18275 } 18276 } 18277 18278 void sendSystemPackageUpdatedBroadcasts() { 18279 if (isRemovedPackageSystemUpdate) { 18280 sendSystemPackageUpdatedBroadcastsInternal(); 18281 final int childCount = (removedChildPackages != null) 18282 ? removedChildPackages.size() : 0; 18283 for (int i = 0; i < childCount; i++) { 18284 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18285 if (childInfo.isRemovedPackageSystemUpdate) { 18286 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 18287 } 18288 } 18289 } 18290 } 18291 18292 void sendSystemPackageAppearedBroadcasts() { 18293 final int packageCount = (appearedChildPackages != null) 18294 ? appearedChildPackages.size() : 0; 18295 for (int i = 0; i < packageCount; i++) { 18296 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 18297 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 18298 true /*sendBootCompleted*/, false /*startReceiver*/, 18299 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers, null); 18300 } 18301 } 18302 18303 private void sendSystemPackageUpdatedBroadcastsInternal() { 18304 Bundle extras = new Bundle(2); 18305 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18306 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18307 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18308 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 18309 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18310 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 18311 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 18312 null, null, 0, removedPackage, null, null, null); 18313 if (installerPackageName != null) { 18314 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18315 removedPackage, extras, 0 /*flags*/, 18316 installerPackageName, null, null, null); 18317 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18318 removedPackage, extras, 0 /*flags*/, 18319 installerPackageName, null, null, null); 18320 } 18321 } 18322 18323 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 18324 // Don't send static shared library removal broadcasts as these 18325 // libs are visible only the the apps that depend on them an one 18326 // cannot remove the library if it has a dependency. 18327 if (isStaticSharedLib) { 18328 return; 18329 } 18330 Bundle extras = new Bundle(2); 18331 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18332 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 18333 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 18334 if (isUpdate || isRemovedPackageSystemUpdate) { 18335 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18336 } 18337 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 18338 if (removedPackage != null) { 18339 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18340 removedPackage, extras, 0, null /*targetPackage*/, null, 18341 broadcastUsers, instantUserIds); 18342 if (installerPackageName != null) { 18343 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18344 removedPackage, extras, 0 /*flags*/, 18345 installerPackageName, null, broadcastUsers, instantUserIds); 18346 } 18347 if (dataRemoved && !isRemovedPackageSystemUpdate) { 18348 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 18349 removedPackage, extras, 18350 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 18351 null, null, broadcastUsers, instantUserIds); 18352 packageSender.notifyPackageRemoved(removedPackage); 18353 } 18354 } 18355 if (removedAppId >= 0) { 18356 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, 18357 null, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 18358 null, null, broadcastUsers, instantUserIds); 18359 } 18360 } 18361 18362 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 18363 removedUsers = userIds; 18364 if (removedUsers == null) { 18365 broadcastUsers = null; 18366 return; 18367 } 18368 18369 broadcastUsers = EMPTY_INT_ARRAY; 18370 instantUserIds = EMPTY_INT_ARRAY; 18371 for (int i = userIds.length - 1; i >= 0; --i) { 18372 final int userId = userIds[i]; 18373 if (deletedPackageSetting.getInstantApp(userId)) { 18374 instantUserIds = ArrayUtils.appendInt(instantUserIds, userId); 18375 } else { 18376 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 18377 } 18378 } 18379 } 18380 } 18381 18382 /* 18383 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 18384 * flag is not set, the data directory is removed as well. 18385 * make sure this flag is set for partially installed apps. If not its meaningless to 18386 * delete a partially installed application. 18387 */ 18388 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 18389 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 18390 String packageName = ps.name; 18391 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 18392 // Retrieve object to delete permissions for shared user later on 18393 final PackageParser.Package deletedPkg; 18394 final PackageSetting deletedPs; 18395 // reader 18396 synchronized (mPackages) { 18397 deletedPkg = mPackages.get(packageName); 18398 deletedPs = mSettings.mPackages.get(packageName); 18399 if (outInfo != null) { 18400 outInfo.removedPackage = packageName; 18401 outInfo.installerPackageName = ps.installerPackageName; 18402 outInfo.isStaticSharedLib = deletedPkg != null 18403 && deletedPkg.staticSharedLibName != null; 18404 outInfo.populateUsers(deletedPs == null ? null 18405 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 18406 } 18407 } 18408 18409 removePackageLI(ps, (flags & PackageManager.DELETE_CHATTY) != 0); 18410 18411 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 18412 final PackageParser.Package resolvedPkg; 18413 if (deletedPkg != null) { 18414 resolvedPkg = deletedPkg; 18415 } else { 18416 // We don't have a parsed package when it lives on an ejected 18417 // adopted storage device, so fake something together 18418 resolvedPkg = new PackageParser.Package(ps.name); 18419 resolvedPkg.setVolumeUuid(ps.volumeUuid); 18420 } 18421 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 18422 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18423 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 18424 if (outInfo != null) { 18425 outInfo.dataRemoved = true; 18426 } 18427 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 18428 } 18429 18430 int removedAppId = -1; 18431 18432 // writer 18433 synchronized (mPackages) { 18434 boolean installedStateChanged = false; 18435 if (deletedPs != null) { 18436 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 18437 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 18438 clearDefaultBrowserIfNeeded(packageName); 18439 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 18440 removedAppId = mSettings.removePackageLPw(packageName); 18441 if (outInfo != null) { 18442 outInfo.removedAppId = removedAppId; 18443 } 18444 mPermissionManager.updatePermissions( 18445 deletedPs.name, null, false, mPackages.values(), mPermissionCallback); 18446 if (deletedPs.sharedUser != null) { 18447 // Remove permissions associated with package. Since runtime 18448 // permissions are per user we have to kill the removed package 18449 // or packages running under the shared user of the removed 18450 // package if revoking the permissions requested only by the removed 18451 // package is successful and this causes a change in gids. 18452 for (int userId : UserManagerService.getInstance().getUserIds()) { 18453 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 18454 userId); 18455 if (userIdToKill == UserHandle.USER_ALL 18456 || userIdToKill >= UserHandle.USER_SYSTEM) { 18457 // If gids changed for this user, kill all affected packages. 18458 mHandler.post(new Runnable() { 18459 @Override 18460 public void run() { 18461 // This has to happen with no lock held. 18462 killApplication(deletedPs.name, deletedPs.appId, 18463 KILL_APP_REASON_GIDS_CHANGED); 18464 } 18465 }); 18466 break; 18467 } 18468 } 18469 } 18470 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 18471 } 18472 // make sure to preserve per-user disabled state if this removal was just 18473 // a downgrade of a system app to the factory package 18474 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 18475 if (DEBUG_REMOVE) { 18476 Slog.d(TAG, "Propagating install state across downgrade"); 18477 } 18478 for (int userId : allUserHandles) { 18479 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 18480 if (DEBUG_REMOVE) { 18481 Slog.d(TAG, " user " + userId + " => " + installed); 18482 } 18483 if (installed != ps.getInstalled(userId)) { 18484 installedStateChanged = true; 18485 } 18486 ps.setInstalled(installed, userId); 18487 } 18488 } 18489 } 18490 // can downgrade to reader 18491 if (writeSettings) { 18492 // Save settings now 18493 mSettings.writeLPr(); 18494 } 18495 if (installedStateChanged) { 18496 mSettings.writeKernelMappingLPr(ps); 18497 } 18498 } 18499 if (removedAppId != -1) { 18500 // A user ID was deleted here. Go through all users and remove it 18501 // from KeyStore. 18502 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 18503 } 18504 } 18505 18506 static boolean locationIsPrivileged(String path) { 18507 try { 18508 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 18509 final File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 18510 final File privilegedOdmAppDir = new File(Environment.getOdmDirectory(), "priv-app"); 18511 final File privilegedProductAppDir = new File(Environment.getProductDirectory(), "priv-app"); 18512 return path.startsWith(privilegedAppDir.getCanonicalPath()) 18513 || path.startsWith(privilegedVendorAppDir.getCanonicalPath()) 18514 || path.startsWith(privilegedOdmAppDir.getCanonicalPath()) 18515 || path.startsWith(privilegedProductAppDir.getCanonicalPath()); 18516 } catch (IOException e) { 18517 Slog.e(TAG, "Unable to access code path " + path); 18518 } 18519 return false; 18520 } 18521 18522 static boolean locationIsOem(String path) { 18523 try { 18524 return path.startsWith(Environment.getOemDirectory().getCanonicalPath()); 18525 } catch (IOException e) { 18526 Slog.e(TAG, "Unable to access code path " + path); 18527 } 18528 return false; 18529 } 18530 18531 static boolean locationIsVendor(String path) { 18532 try { 18533 return path.startsWith(Environment.getVendorDirectory().getCanonicalPath()) 18534 || path.startsWith(Environment.getOdmDirectory().getCanonicalPath()); 18535 } catch (IOException e) { 18536 Slog.e(TAG, "Unable to access code path " + path); 18537 } 18538 return false; 18539 } 18540 18541 static boolean locationIsProduct(String path) { 18542 try { 18543 return path.startsWith(Environment.getProductDirectory().getCanonicalPath()); 18544 } catch (IOException e) { 18545 Slog.e(TAG, "Unable to access code path " + path); 18546 } 18547 return false; 18548 } 18549 18550 /* 18551 * Tries to delete system package. 18552 */ 18553 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 18554 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 18555 boolean writeSettings) { 18556 if (deletedPs.parentPackageName != null) { 18557 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 18558 return false; 18559 } 18560 18561 final boolean applyUserRestrictions 18562 = (allUserHandles != null) && (outInfo.origUsers != null); 18563 final PackageSetting disabledPs; 18564 // Confirm if the system package has been updated 18565 // An updated system app can be deleted. This will also have to restore 18566 // the system pkg from system partition 18567 // reader 18568 synchronized (mPackages) { 18569 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 18570 } 18571 18572 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 18573 + " disabledPs=" + disabledPs); 18574 18575 if (disabledPs == null) { 18576 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 18577 return false; 18578 } else if (DEBUG_REMOVE) { 18579 Slog.d(TAG, "Deleting system pkg from data partition"); 18580 } 18581 18582 if (DEBUG_REMOVE) { 18583 if (applyUserRestrictions) { 18584 Slog.d(TAG, "Remembering install states:"); 18585 for (int userId : allUserHandles) { 18586 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 18587 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 18588 } 18589 } 18590 } 18591 18592 // Delete the updated package 18593 outInfo.isRemovedPackageSystemUpdate = true; 18594 if (outInfo.removedChildPackages != null) { 18595 final int childCount = (deletedPs.childPackageNames != null) 18596 ? deletedPs.childPackageNames.size() : 0; 18597 for (int i = 0; i < childCount; i++) { 18598 String childPackageName = deletedPs.childPackageNames.get(i); 18599 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 18600 .contains(childPackageName)) { 18601 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18602 childPackageName); 18603 if (childInfo != null) { 18604 childInfo.isRemovedPackageSystemUpdate = true; 18605 } 18606 } 18607 } 18608 } 18609 18610 if (disabledPs.versionCode < deletedPs.versionCode) { 18611 // Delete data for downgrades 18612 flags &= ~PackageManager.DELETE_KEEP_DATA; 18613 } else { 18614 // Preserve data by setting flag 18615 flags |= PackageManager.DELETE_KEEP_DATA; 18616 } 18617 18618 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 18619 outInfo, writeSettings, disabledPs.pkg); 18620 if (!ret) { 18621 return false; 18622 } 18623 18624 // writer 18625 synchronized (mPackages) { 18626 // NOTE: The system package always needs to be enabled; even if it's for 18627 // a compressed stub. If we don't, installing the system package fails 18628 // during scan [scanning checks the disabled packages]. We will reverse 18629 // this later, after we've "installed" the stub. 18630 // Reinstate the old system package 18631 enableSystemPackageLPw(disabledPs.pkg); 18632 // Remove any native libraries from the upgraded package. 18633 removeNativeBinariesLI(deletedPs); 18634 } 18635 18636 // Install the system package 18637 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 18638 try { 18639 installPackageFromSystemLIF(disabledPs.codePathString, false, allUserHandles, 18640 outInfo.origUsers, deletedPs.getPermissionsState(), writeSettings); 18641 } catch (PackageManagerException e) { 18642 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 18643 + e.getMessage()); 18644 return false; 18645 } finally { 18646 if (disabledPs.pkg.isStub) { 18647 mSettings.disableSystemPackageLPw(disabledPs.name, true /*replaced*/); 18648 } 18649 } 18650 return true; 18651 } 18652 18653 /** 18654 * Installs a package that's already on the system partition. 18655 */ 18656 private PackageParser.Package installPackageFromSystemLIF(@NonNull String codePathString, 18657 boolean isPrivileged, @Nullable int[] allUserHandles, @Nullable int[] origUserHandles, 18658 @Nullable PermissionsState origPermissionState, boolean writeSettings) 18659 throws PackageManagerException { 18660 @ParseFlags int parseFlags = 18661 mDefParseFlags 18662 | PackageParser.PARSE_MUST_BE_APK 18663 | PackageParser.PARSE_IS_SYSTEM_DIR; 18664 @ScanFlags int scanFlags = SCAN_AS_SYSTEM; 18665 if (isPrivileged || locationIsPrivileged(codePathString)) { 18666 scanFlags |= SCAN_AS_PRIVILEGED; 18667 } 18668 if (locationIsOem(codePathString)) { 18669 scanFlags |= SCAN_AS_OEM; 18670 } 18671 if (locationIsVendor(codePathString)) { 18672 scanFlags |= SCAN_AS_VENDOR; 18673 } 18674 if (locationIsProduct(codePathString)) { 18675 scanFlags |= SCAN_AS_PRODUCT; 18676 } 18677 18678 final File codePath = new File(codePathString); 18679 final PackageParser.Package pkg = 18680 scanPackageTracedLI(codePath, parseFlags, scanFlags, 0 /*currentTime*/, null); 18681 18682 try { 18683 // update shared libraries for the newly re-installed system package 18684 updateSharedLibrariesLPr(pkg, null); 18685 } catch (PackageManagerException e) { 18686 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18687 } 18688 18689 prepareAppDataAfterInstallLIF(pkg); 18690 18691 // writer 18692 synchronized (mPackages) { 18693 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 18694 18695 // Propagate the permissions state as we do not want to drop on the floor 18696 // runtime permissions. The update permissions method below will take 18697 // care of removing obsolete permissions and grant install permissions. 18698 if (origPermissionState != null) { 18699 ps.getPermissionsState().copyFrom(origPermissionState); 18700 } 18701 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 18702 mPermissionCallback); 18703 18704 final boolean applyUserRestrictions 18705 = (allUserHandles != null) && (origUserHandles != null); 18706 if (applyUserRestrictions) { 18707 boolean installedStateChanged = false; 18708 if (DEBUG_REMOVE) { 18709 Slog.d(TAG, "Propagating install state across reinstall"); 18710 } 18711 for (int userId : allUserHandles) { 18712 final boolean installed = ArrayUtils.contains(origUserHandles, userId); 18713 if (DEBUG_REMOVE) { 18714 Slog.d(TAG, " user " + userId + " => " + installed); 18715 } 18716 if (installed != ps.getInstalled(userId)) { 18717 installedStateChanged = true; 18718 } 18719 ps.setInstalled(installed, userId); 18720 18721 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18722 } 18723 // Regardless of writeSettings we need to ensure that this restriction 18724 // state propagation is persisted 18725 mSettings.writeAllUsersPackageRestrictionsLPr(); 18726 if (installedStateChanged) { 18727 mSettings.writeKernelMappingLPr(ps); 18728 } 18729 } 18730 // can downgrade to reader here 18731 if (writeSettings) { 18732 mSettings.writeLPr(); 18733 } 18734 } 18735 return pkg; 18736 } 18737 18738 private boolean deleteInstalledPackageLIF(PackageSetting ps, 18739 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 18740 PackageRemovedInfo outInfo, boolean writeSettings, 18741 PackageParser.Package replacingPackage) { 18742 synchronized (mPackages) { 18743 if (outInfo != null) { 18744 outInfo.uid = ps.appId; 18745 } 18746 18747 if (outInfo != null && outInfo.removedChildPackages != null) { 18748 final int childCount = (ps.childPackageNames != null) 18749 ? ps.childPackageNames.size() : 0; 18750 for (int i = 0; i < childCount; i++) { 18751 String childPackageName = ps.childPackageNames.get(i); 18752 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 18753 if (childPs == null) { 18754 return false; 18755 } 18756 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18757 childPackageName); 18758 if (childInfo != null) { 18759 childInfo.uid = childPs.appId; 18760 } 18761 } 18762 } 18763 } 18764 18765 // Delete package data from internal structures and also remove data if flag is set 18766 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18767 18768 // Delete the child packages data 18769 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18770 for (int i = 0; i < childCount; i++) { 18771 PackageSetting childPs; 18772 synchronized (mPackages) { 18773 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18774 } 18775 if (childPs != null) { 18776 PackageRemovedInfo childOutInfo = (outInfo != null 18777 && outInfo.removedChildPackages != null) 18778 ? outInfo.removedChildPackages.get(childPs.name) : null; 18779 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18780 && (replacingPackage != null 18781 && !replacingPackage.hasChildPackage(childPs.name)) 18782 ? flags & ~DELETE_KEEP_DATA : flags; 18783 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18784 deleteFlags, writeSettings); 18785 } 18786 } 18787 18788 // Delete application code and resources only for parent packages 18789 if (ps.parentPackageName == null) { 18790 if (deleteCodeAndResources && (outInfo != null)) { 18791 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18792 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18793 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18794 } 18795 } 18796 18797 return true; 18798 } 18799 18800 @Override 18801 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18802 int userId) { 18803 mContext.enforceCallingOrSelfPermission( 18804 android.Manifest.permission.DELETE_PACKAGES, null); 18805 synchronized (mPackages) { 18806 // Cannot block uninstall of static shared libs as they are 18807 // considered a part of the using app (emulating static linking). 18808 // Also static libs are installed always on internal storage. 18809 PackageParser.Package pkg = mPackages.get(packageName); 18810 if (pkg != null && pkg.staticSharedLibName != null) { 18811 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18812 + " providing static shared library: " + pkg.staticSharedLibName); 18813 return false; 18814 } 18815 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 18816 mSettings.writePackageRestrictionsLPr(userId); 18817 } 18818 return true; 18819 } 18820 18821 @Override 18822 public boolean getBlockUninstallForUser(String packageName, int userId) { 18823 synchronized (mPackages) { 18824 final PackageSetting ps = mSettings.mPackages.get(packageName); 18825 if (ps == null || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 18826 return false; 18827 } 18828 return mSettings.getBlockUninstallLPr(userId, packageName); 18829 } 18830 } 18831 18832 @Override 18833 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18834 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 18835 synchronized (mPackages) { 18836 PackageSetting ps = mSettings.mPackages.get(packageName); 18837 if (ps == null) { 18838 Log.w(TAG, "Package doesn't exist: " + packageName); 18839 return false; 18840 } 18841 if (systemUserApp) { 18842 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18843 } else { 18844 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18845 } 18846 mSettings.writeLPr(); 18847 } 18848 return true; 18849 } 18850 18851 /* 18852 * This method handles package deletion in general 18853 */ 18854 private boolean deletePackageLIF(String packageName, UserHandle user, 18855 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18856 PackageRemovedInfo outInfo, boolean writeSettings, 18857 PackageParser.Package replacingPackage) { 18858 if (packageName == null) { 18859 Slog.w(TAG, "Attempt to delete null packageName."); 18860 return false; 18861 } 18862 18863 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18864 18865 PackageSetting ps; 18866 synchronized (mPackages) { 18867 ps = mSettings.mPackages.get(packageName); 18868 if (ps == null) { 18869 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18870 return false; 18871 } 18872 18873 if (ps.parentPackageName != null && (!isSystemApp(ps) 18874 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18875 if (DEBUG_REMOVE) { 18876 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18877 + ((user == null) ? UserHandle.USER_ALL : user)); 18878 } 18879 final int removedUserId = (user != null) ? user.getIdentifier() 18880 : UserHandle.USER_ALL; 18881 18882 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18883 return false; 18884 } 18885 markPackageUninstalledForUserLPw(ps, user); 18886 scheduleWritePackageRestrictionsLocked(user); 18887 return true; 18888 } 18889 } 18890 18891 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 18892 if (ps.getPermissionsState().hasPermission(Manifest.permission.SUSPEND_APPS, userId)) { 18893 unsuspendForSuspendingPackage(packageName, userId); 18894 } 18895 18896 18897 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18898 && user.getIdentifier() != UserHandle.USER_ALL)) { 18899 // The caller is asking that the package only be deleted for a single 18900 // user. To do this, we just mark its uninstalled state and delete 18901 // its data. If this is a system app, we only allow this to happen if 18902 // they have set the special DELETE_SYSTEM_APP which requests different 18903 // semantics than normal for uninstalling system apps. 18904 markPackageUninstalledForUserLPw(ps, user); 18905 18906 if (!isSystemApp(ps)) { 18907 // Do not uninstall the APK if an app should be cached 18908 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18909 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18910 // Other user still have this package installed, so all 18911 // we need to do is clear this user's data and save that 18912 // it is uninstalled. 18913 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18914 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18915 return false; 18916 } 18917 scheduleWritePackageRestrictionsLocked(user); 18918 return true; 18919 } else { 18920 // We need to set it back to 'installed' so the uninstall 18921 // broadcasts will be sent correctly. 18922 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18923 ps.setInstalled(true, user.getIdentifier()); 18924 mSettings.writeKernelMappingLPr(ps); 18925 } 18926 } else { 18927 // This is a system app, so we assume that the 18928 // other users still have this package installed, so all 18929 // we need to do is clear this user's data and save that 18930 // it is uninstalled. 18931 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18932 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18933 return false; 18934 } 18935 scheduleWritePackageRestrictionsLocked(user); 18936 return true; 18937 } 18938 } 18939 18940 // If we are deleting a composite package for all users, keep track 18941 // of result for each child. 18942 if (ps.childPackageNames != null && outInfo != null) { 18943 synchronized (mPackages) { 18944 final int childCount = ps.childPackageNames.size(); 18945 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18946 for (int i = 0; i < childCount; i++) { 18947 String childPackageName = ps.childPackageNames.get(i); 18948 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 18949 childInfo.removedPackage = childPackageName; 18950 childInfo.installerPackageName = ps.installerPackageName; 18951 outInfo.removedChildPackages.put(childPackageName, childInfo); 18952 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18953 if (childPs != null) { 18954 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18955 } 18956 } 18957 } 18958 } 18959 18960 boolean ret = false; 18961 if (isSystemApp(ps)) { 18962 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18963 // When an updated system application is deleted we delete the existing resources 18964 // as well and fall back to existing code in system partition 18965 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18966 } else { 18967 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18968 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18969 outInfo, writeSettings, replacingPackage); 18970 } 18971 18972 // Take a note whether we deleted the package for all users 18973 if (outInfo != null) { 18974 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18975 if (outInfo.removedChildPackages != null) { 18976 synchronized (mPackages) { 18977 final int childCount = outInfo.removedChildPackages.size(); 18978 for (int i = 0; i < childCount; i++) { 18979 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18980 if (childInfo != null) { 18981 childInfo.removedForAllUsers = mPackages.get( 18982 childInfo.removedPackage) == null; 18983 } 18984 } 18985 } 18986 } 18987 // If we uninstalled an update to a system app there may be some 18988 // child packages that appeared as they are declared in the system 18989 // app but were not declared in the update. 18990 if (isSystemApp(ps)) { 18991 synchronized (mPackages) { 18992 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18993 final int childCount = (updatedPs.childPackageNames != null) 18994 ? updatedPs.childPackageNames.size() : 0; 18995 for (int i = 0; i < childCount; i++) { 18996 String childPackageName = updatedPs.childPackageNames.get(i); 18997 if (outInfo.removedChildPackages == null 18998 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18999 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 19000 if (childPs == null) { 19001 continue; 19002 } 19003 PackageInstalledInfo installRes = new PackageInstalledInfo(); 19004 installRes.name = childPackageName; 19005 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 19006 installRes.pkg = mPackages.get(childPackageName); 19007 installRes.uid = childPs.pkg.applicationInfo.uid; 19008 if (outInfo.appearedChildPackages == null) { 19009 outInfo.appearedChildPackages = new ArrayMap<>(); 19010 } 19011 outInfo.appearedChildPackages.put(childPackageName, installRes); 19012 } 19013 } 19014 } 19015 } 19016 } 19017 19018 return ret; 19019 } 19020 19021 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 19022 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 19023 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 19024 for (int nextUserId : userIds) { 19025 if (DEBUG_REMOVE) { 19026 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 19027 } 19028 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 19029 false /*installed*/, 19030 true /*stopped*/, 19031 true /*notLaunched*/, 19032 false /*hidden*/, 19033 false /*suspended*/, 19034 null /*suspendingPackage*/, 19035 null /*dialogMessage*/, 19036 null /*suspendedAppExtras*/, 19037 null /*suspendedLauncherExtras*/, 19038 false /*instantApp*/, 19039 false /*virtualPreload*/, 19040 null /*lastDisableAppCaller*/, 19041 null /*enabledComponents*/, 19042 null /*disabledComponents*/, 19043 ps.readUserState(nextUserId).domainVerificationStatus, 19044 0, PackageManager.INSTALL_REASON_UNKNOWN, 19045 null /*harmfulAppWarning*/); 19046 } 19047 mSettings.writeKernelMappingLPr(ps); 19048 } 19049 19050 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 19051 PackageRemovedInfo outInfo) { 19052 final PackageParser.Package pkg; 19053 synchronized (mPackages) { 19054 pkg = mPackages.get(ps.name); 19055 } 19056 19057 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 19058 : new int[] {userId}; 19059 for (int nextUserId : userIds) { 19060 if (DEBUG_REMOVE) { 19061 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 19062 + nextUserId); 19063 } 19064 19065 destroyAppDataLIF(pkg, userId, 19066 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19067 destroyAppProfilesLIF(pkg, userId); 19068 clearDefaultBrowserIfNeededForUser(ps.name, userId); 19069 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 19070 schedulePackageCleaning(ps.name, nextUserId, false); 19071 synchronized (mPackages) { 19072 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 19073 scheduleWritePackageRestrictionsLocked(nextUserId); 19074 } 19075 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 19076 } 19077 } 19078 19079 if (outInfo != null) { 19080 outInfo.removedPackage = ps.name; 19081 outInfo.installerPackageName = ps.installerPackageName; 19082 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 19083 outInfo.removedAppId = ps.appId; 19084 outInfo.removedUsers = userIds; 19085 outInfo.broadcastUsers = userIds; 19086 } 19087 19088 return true; 19089 } 19090 19091 private final class ClearStorageConnection implements ServiceConnection { 19092 IMediaContainerService mContainerService; 19093 19094 @Override 19095 public void onServiceConnected(ComponentName name, IBinder service) { 19096 synchronized (this) { 19097 mContainerService = IMediaContainerService.Stub 19098 .asInterface(Binder.allowBlocking(service)); 19099 notifyAll(); 19100 } 19101 } 19102 19103 @Override 19104 public void onServiceDisconnected(ComponentName name) { 19105 } 19106 } 19107 19108 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 19109 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 19110 19111 final boolean mounted; 19112 if (Environment.isExternalStorageEmulated()) { 19113 mounted = true; 19114 } else { 19115 final String status = Environment.getExternalStorageState(); 19116 19117 mounted = status.equals(Environment.MEDIA_MOUNTED) 19118 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 19119 } 19120 19121 if (!mounted) { 19122 return; 19123 } 19124 19125 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 19126 int[] users; 19127 if (userId == UserHandle.USER_ALL) { 19128 users = sUserManager.getUserIds(); 19129 } else { 19130 users = new int[] { userId }; 19131 } 19132 final ClearStorageConnection conn = new ClearStorageConnection(); 19133 if (mContext.bindServiceAsUser( 19134 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 19135 try { 19136 for (int curUser : users) { 19137 long timeout = SystemClock.uptimeMillis() + 5000; 19138 synchronized (conn) { 19139 long now; 19140 while (conn.mContainerService == null && 19141 (now = SystemClock.uptimeMillis()) < timeout) { 19142 try { 19143 conn.wait(timeout - now); 19144 } catch (InterruptedException e) { 19145 } 19146 } 19147 } 19148 if (conn.mContainerService == null) { 19149 return; 19150 } 19151 19152 final UserEnvironment userEnv = new UserEnvironment(curUser); 19153 clearDirectory(conn.mContainerService, 19154 userEnv.buildExternalStorageAppCacheDirs(packageName)); 19155 if (allData) { 19156 clearDirectory(conn.mContainerService, 19157 userEnv.buildExternalStorageAppDataDirs(packageName)); 19158 clearDirectory(conn.mContainerService, 19159 userEnv.buildExternalStorageAppMediaDirs(packageName)); 19160 } 19161 } 19162 } finally { 19163 mContext.unbindService(conn); 19164 } 19165 } 19166 } 19167 19168 @Override 19169 public void clearApplicationProfileData(String packageName) { 19170 enforceSystemOrRoot("Only the system can clear all profile data"); 19171 19172 final PackageParser.Package pkg; 19173 synchronized (mPackages) { 19174 pkg = mPackages.get(packageName); 19175 } 19176 19177 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 19178 synchronized (mInstallLock) { 19179 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 19180 } 19181 } 19182 } 19183 19184 @Override 19185 public void clearApplicationUserData(final String packageName, 19186 final IPackageDataObserver observer, final int userId) { 19187 mContext.enforceCallingOrSelfPermission( 19188 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 19189 19190 final int callingUid = Binder.getCallingUid(); 19191 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19192 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 19193 19194 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19195 final boolean filterApp = (ps != null && filterAppAccessLPr(ps, callingUid, userId)); 19196 if (!filterApp && mProtectedPackages.isPackageDataProtected(userId, packageName)) { 19197 throw new SecurityException("Cannot clear data for a protected package: " 19198 + packageName); 19199 } 19200 // Queue up an async operation since the package deletion may take a little while. 19201 mHandler.post(new Runnable() { 19202 public void run() { 19203 mHandler.removeCallbacks(this); 19204 final boolean succeeded; 19205 if (!filterApp) { 19206 try (PackageFreezer freezer = freezePackage(packageName, 19207 "clearApplicationUserData")) { 19208 synchronized (mInstallLock) { 19209 succeeded = clearApplicationUserDataLIF(packageName, userId); 19210 } 19211 clearExternalStorageDataSync(packageName, userId, true); 19212 synchronized (mPackages) { 19213 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 19214 packageName, userId); 19215 } 19216 } 19217 if (succeeded) { 19218 // invoke DeviceStorageMonitor's update method to clear any notifications 19219 DeviceStorageMonitorInternal dsm = LocalServices 19220 .getService(DeviceStorageMonitorInternal.class); 19221 if (dsm != null) { 19222 dsm.checkMemory(); 19223 } 19224 if (checkPermission(Manifest.permission.SUSPEND_APPS, packageName, userId) 19225 == PERMISSION_GRANTED) { 19226 unsuspendForSuspendingPackage(packageName, userId); 19227 } 19228 } 19229 } else { 19230 succeeded = false; 19231 } 19232 if (observer != null) { 19233 try { 19234 observer.onRemoveCompleted(packageName, succeeded); 19235 } catch (RemoteException e) { 19236 Log.i(TAG, "Observer no longer exists."); 19237 } 19238 } //end if observer 19239 } //end run 19240 }); 19241 } 19242 19243 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 19244 if (packageName == null) { 19245 Slog.w(TAG, "Attempt to delete null packageName."); 19246 return false; 19247 } 19248 19249 // Try finding details about the requested package 19250 PackageParser.Package pkg; 19251 synchronized (mPackages) { 19252 pkg = mPackages.get(packageName); 19253 if (pkg == null) { 19254 final PackageSetting ps = mSettings.mPackages.get(packageName); 19255 if (ps != null) { 19256 pkg = ps.pkg; 19257 } 19258 } 19259 19260 if (pkg == null) { 19261 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 19262 return false; 19263 } 19264 19265 PackageSetting ps = (PackageSetting) pkg.mExtras; 19266 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19267 } 19268 19269 clearAppDataLIF(pkg, userId, 19270 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19271 19272 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19273 removeKeystoreDataIfNeeded(userId, appId); 19274 19275 UserManagerInternal umInternal = getUserManagerInternal(); 19276 final int flags; 19277 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 19278 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19279 } else if (umInternal.isUserRunning(userId)) { 19280 flags = StorageManager.FLAG_STORAGE_DE; 19281 } else { 19282 flags = 0; 19283 } 19284 prepareAppDataContentsLIF(pkg, userId, flags); 19285 19286 return true; 19287 } 19288 19289 /** 19290 * Reverts user permission state changes (permissions and flags) in 19291 * all packages for a given user. 19292 * 19293 * @param userId The device user for which to do a reset. 19294 */ 19295 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 19296 final int packageCount = mPackages.size(); 19297 for (int i = 0; i < packageCount; i++) { 19298 PackageParser.Package pkg = mPackages.valueAt(i); 19299 PackageSetting ps = (PackageSetting) pkg.mExtras; 19300 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19301 } 19302 } 19303 19304 private void resetNetworkPolicies(int userId) { 19305 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 19306 } 19307 19308 /** 19309 * Reverts user permission state changes (permissions and flags). 19310 * 19311 * @param ps The package for which to reset. 19312 * @param userId The device user for which to do a reset. 19313 */ 19314 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 19315 final PackageSetting ps, final int userId) { 19316 if (ps.pkg == null) { 19317 return; 19318 } 19319 19320 // These are flags that can change base on user actions. 19321 final int userSettableMask = FLAG_PERMISSION_USER_SET 19322 | FLAG_PERMISSION_USER_FIXED 19323 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 19324 | FLAG_PERMISSION_REVIEW_REQUIRED; 19325 19326 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 19327 | FLAG_PERMISSION_POLICY_FIXED; 19328 19329 boolean writeInstallPermissions = false; 19330 boolean writeRuntimePermissions = false; 19331 19332 final int permissionCount = ps.pkg.requestedPermissions.size(); 19333 for (int i = 0; i < permissionCount; i++) { 19334 final String permName = ps.pkg.requestedPermissions.get(i); 19335 final BasePermission bp = 19336 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 19337 if (bp == null) { 19338 continue; 19339 } 19340 19341 // If shared user we just reset the state to which only this app contributed. 19342 if (ps.sharedUser != null) { 19343 boolean used = false; 19344 final int packageCount = ps.sharedUser.packages.size(); 19345 for (int j = 0; j < packageCount; j++) { 19346 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 19347 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 19348 && pkg.pkg.requestedPermissions.contains(permName)) { 19349 used = true; 19350 break; 19351 } 19352 } 19353 if (used) { 19354 continue; 19355 } 19356 } 19357 19358 final PermissionsState permissionsState = ps.getPermissionsState(); 19359 19360 final int oldFlags = permissionsState.getPermissionFlags(permName, userId); 19361 19362 // Always clear the user settable flags. 19363 final boolean hasInstallState = 19364 permissionsState.getInstallPermissionState(permName) != null; 19365 // If permission review is enabled and this is a legacy app, mark the 19366 // permission as requiring a review as this is the initial state. 19367 int flags = 0; 19368 if (mSettings.mPermissions.mPermissionReviewRequired 19369 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 19370 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 19371 } 19372 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 19373 if (hasInstallState) { 19374 writeInstallPermissions = true; 19375 } else { 19376 writeRuntimePermissions = true; 19377 } 19378 } 19379 19380 // Below is only runtime permission handling. 19381 if (!bp.isRuntime()) { 19382 continue; 19383 } 19384 19385 // Never clobber system or policy. 19386 if ((oldFlags & policyOrSystemFlags) != 0) { 19387 continue; 19388 } 19389 19390 // If this permission was granted by default, make sure it is. 19391 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 19392 if (permissionsState.grantRuntimePermission(bp, userId) 19393 != PERMISSION_OPERATION_FAILURE) { 19394 writeRuntimePermissions = true; 19395 } 19396 // If permission review is enabled the permissions for a legacy apps 19397 // are represented as constantly granted runtime ones, so don't revoke. 19398 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 19399 // Otherwise, reset the permission. 19400 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 19401 switch (revokeResult) { 19402 case PERMISSION_OPERATION_SUCCESS: 19403 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 19404 writeRuntimePermissions = true; 19405 final int appId = ps.appId; 19406 mHandler.post(new Runnable() { 19407 @Override 19408 public void run() { 19409 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 19410 } 19411 }); 19412 } break; 19413 } 19414 } 19415 } 19416 19417 // Synchronously write as we are taking permissions away. 19418 if (writeRuntimePermissions) { 19419 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 19420 } 19421 19422 // Synchronously write as we are taking permissions away. 19423 if (writeInstallPermissions) { 19424 mSettings.writeLPr(); 19425 } 19426 } 19427 19428 /** 19429 * Remove entries from the keystore daemon. Will only remove it if the 19430 * {@code appId} is valid. 19431 */ 19432 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 19433 if (appId < 0) { 19434 return; 19435 } 19436 19437 final KeyStore keyStore = KeyStore.getInstance(); 19438 if (keyStore != null) { 19439 if (userId == UserHandle.USER_ALL) { 19440 for (final int individual : sUserManager.getUserIds()) { 19441 keyStore.clearUid(UserHandle.getUid(individual, appId)); 19442 } 19443 } else { 19444 keyStore.clearUid(UserHandle.getUid(userId, appId)); 19445 } 19446 } else { 19447 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 19448 } 19449 } 19450 19451 @Override 19452 public void deleteApplicationCacheFiles(final String packageName, 19453 final IPackageDataObserver observer) { 19454 final int userId = UserHandle.getCallingUserId(); 19455 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 19456 } 19457 19458 @Override 19459 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 19460 final IPackageDataObserver observer) { 19461 final int callingUid = Binder.getCallingUid(); 19462 if (mContext.checkCallingOrSelfPermission( 19463 android.Manifest.permission.INTERNAL_DELETE_CACHE_FILES) 19464 != PackageManager.PERMISSION_GRANTED) { 19465 // If the caller has the old delete cache permission, silently ignore. Else throw. 19466 if (mContext.checkCallingOrSelfPermission( 19467 android.Manifest.permission.DELETE_CACHE_FILES) 19468 == PackageManager.PERMISSION_GRANTED) { 19469 Slog.w(TAG, "Calling uid " + callingUid + " does not have " + 19470 android.Manifest.permission.INTERNAL_DELETE_CACHE_FILES + 19471 ", silently ignoring"); 19472 return; 19473 } 19474 mContext.enforceCallingOrSelfPermission( 19475 android.Manifest.permission.INTERNAL_DELETE_CACHE_FILES, null); 19476 } 19477 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19478 /* requireFullPermission= */ true, /* checkShell= */ false, 19479 "delete application cache files"); 19480 final int hasAccessInstantApps = mContext.checkCallingOrSelfPermission( 19481 android.Manifest.permission.ACCESS_INSTANT_APPS); 19482 19483 final PackageParser.Package pkg; 19484 synchronized (mPackages) { 19485 pkg = mPackages.get(packageName); 19486 } 19487 19488 // Queue up an async operation since the package deletion may take a little while. 19489 mHandler.post(new Runnable() { 19490 public void run() { 19491 final PackageSetting ps = pkg == null ? null : (PackageSetting) pkg.mExtras; 19492 boolean doClearData = true; 19493 if (ps != null) { 19494 final boolean targetIsInstantApp = 19495 ps.getInstantApp(UserHandle.getUserId(callingUid)); 19496 doClearData = !targetIsInstantApp 19497 || hasAccessInstantApps == PackageManager.PERMISSION_GRANTED; 19498 } 19499 if (doClearData) { 19500 synchronized (mInstallLock) { 19501 final int flags = StorageManager.FLAG_STORAGE_DE 19502 | StorageManager.FLAG_STORAGE_CE; 19503 // We're only clearing cache files, so we don't care if the 19504 // app is unfrozen and still able to run 19505 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 19506 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19507 } 19508 clearExternalStorageDataSync(packageName, userId, false); 19509 } 19510 if (observer != null) { 19511 try { 19512 observer.onRemoveCompleted(packageName, true); 19513 } catch (RemoteException e) { 19514 Log.i(TAG, "Observer no longer exists."); 19515 } 19516 } 19517 } 19518 }); 19519 } 19520 19521 @Override 19522 public void getPackageSizeInfo(final String packageName, int userHandle, 19523 final IPackageStatsObserver observer) { 19524 throw new UnsupportedOperationException( 19525 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 19526 } 19527 19528 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 19529 final PackageSetting ps; 19530 synchronized (mPackages) { 19531 ps = mSettings.mPackages.get(packageName); 19532 if (ps == null) { 19533 Slog.w(TAG, "Failed to find settings for " + packageName); 19534 return false; 19535 } 19536 } 19537 19538 final String[] packageNames = { packageName }; 19539 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 19540 final String[] codePaths = { ps.codePathString }; 19541 19542 try { 19543 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 19544 ps.appId, ceDataInodes, codePaths, stats); 19545 19546 // For now, ignore code size of packages on system partition 19547 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 19548 stats.codeSize = 0; 19549 } 19550 19551 // External clients expect these to be tracked separately 19552 stats.dataSize -= stats.cacheSize; 19553 19554 } catch (InstallerException e) { 19555 Slog.w(TAG, String.valueOf(e)); 19556 return false; 19557 } 19558 19559 return true; 19560 } 19561 19562 private int getUidTargetSdkVersionLockedLPr(int uid) { 19563 Object obj = mSettings.getUserIdLPr(uid); 19564 if (obj instanceof SharedUserSetting) { 19565 final SharedUserSetting sus = (SharedUserSetting) obj; 19566 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 19567 final Iterator<PackageSetting> it = sus.packages.iterator(); 19568 while (it.hasNext()) { 19569 final PackageSetting ps = it.next(); 19570 if (ps.pkg != null) { 19571 int v = ps.pkg.applicationInfo.targetSdkVersion; 19572 if (v < vers) vers = v; 19573 } 19574 } 19575 return vers; 19576 } else if (obj instanceof PackageSetting) { 19577 final PackageSetting ps = (PackageSetting) obj; 19578 if (ps.pkg != null) { 19579 return ps.pkg.applicationInfo.targetSdkVersion; 19580 } 19581 } 19582 return Build.VERSION_CODES.CUR_DEVELOPMENT; 19583 } 19584 19585 private int getPackageTargetSdkVersionLockedLPr(String packageName) { 19586 final PackageParser.Package p = mPackages.get(packageName); 19587 if (p != null) { 19588 return p.applicationInfo.targetSdkVersion; 19589 } 19590 return Build.VERSION_CODES.CUR_DEVELOPMENT; 19591 } 19592 19593 @Override 19594 public void addPreferredActivity(IntentFilter filter, int match, 19595 ComponentName[] set, ComponentName activity, int userId) { 19596 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19597 "Adding preferred"); 19598 } 19599 19600 private void addPreferredActivityInternal(IntentFilter filter, int match, 19601 ComponentName[] set, ComponentName activity, boolean always, int userId, 19602 String opname) { 19603 // writer 19604 int callingUid = Binder.getCallingUid(); 19605 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19606 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 19607 if (filter.countActions() == 0) { 19608 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19609 return; 19610 } 19611 synchronized (mPackages) { 19612 if (mContext.checkCallingOrSelfPermission( 19613 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19614 != PackageManager.PERMISSION_GRANTED) { 19615 if (getUidTargetSdkVersionLockedLPr(callingUid) 19616 < Build.VERSION_CODES.FROYO) { 19617 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 19618 + callingUid); 19619 return; 19620 } 19621 mContext.enforceCallingOrSelfPermission( 19622 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19623 } 19624 19625 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 19626 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 19627 + userId + ":"); 19628 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19629 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 19630 scheduleWritePackageRestrictionsLocked(userId); 19631 postPreferredActivityChangedBroadcast(userId); 19632 } 19633 } 19634 19635 private void postPreferredActivityChangedBroadcast(int userId) { 19636 mHandler.post(() -> { 19637 final IActivityManager am = ActivityManager.getService(); 19638 if (am == null) { 19639 return; 19640 } 19641 19642 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 19643 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 19644 try { 19645 am.broadcastIntent(null, intent, null, null, 19646 0, null, null, null, android.app.AppOpsManager.OP_NONE, 19647 null, false, false, userId); 19648 } catch (RemoteException e) { 19649 } 19650 }); 19651 } 19652 19653 @Override 19654 public void replacePreferredActivity(IntentFilter filter, int match, 19655 ComponentName[] set, ComponentName activity, int userId) { 19656 if (filter.countActions() != 1) { 19657 throw new IllegalArgumentException( 19658 "replacePreferredActivity expects filter to have only 1 action."); 19659 } 19660 if (filter.countDataAuthorities() != 0 19661 || filter.countDataPaths() != 0 19662 || filter.countDataSchemes() > 1 19663 || filter.countDataTypes() != 0) { 19664 throw new IllegalArgumentException( 19665 "replacePreferredActivity expects filter to have no data authorities, " + 19666 "paths, or types; and at most one scheme."); 19667 } 19668 19669 final int callingUid = Binder.getCallingUid(); 19670 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19671 true /* requireFullPermission */, false /* checkShell */, 19672 "replace preferred activity"); 19673 synchronized (mPackages) { 19674 if (mContext.checkCallingOrSelfPermission( 19675 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19676 != PackageManager.PERMISSION_GRANTED) { 19677 if (getUidTargetSdkVersionLockedLPr(callingUid) 19678 < Build.VERSION_CODES.FROYO) { 19679 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 19680 + Binder.getCallingUid()); 19681 return; 19682 } 19683 mContext.enforceCallingOrSelfPermission( 19684 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19685 } 19686 19687 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19688 if (pir != null) { 19689 // Get all of the existing entries that exactly match this filter. 19690 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 19691 if (existing != null && existing.size() == 1) { 19692 PreferredActivity cur = existing.get(0); 19693 if (DEBUG_PREFERRED) { 19694 Slog.i(TAG, "Checking replace of preferred:"); 19695 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19696 if (!cur.mPref.mAlways) { 19697 Slog.i(TAG, " -- CUR; not mAlways!"); 19698 } else { 19699 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 19700 Slog.i(TAG, " -- CUR: mSet=" 19701 + Arrays.toString(cur.mPref.mSetComponents)); 19702 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 19703 Slog.i(TAG, " -- NEW: mMatch=" 19704 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 19705 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 19706 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 19707 } 19708 } 19709 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 19710 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 19711 && cur.mPref.sameSet(set)) { 19712 // Setting the preferred activity to what it happens to be already 19713 if (DEBUG_PREFERRED) { 19714 Slog.i(TAG, "Replacing with same preferred activity " 19715 + cur.mPref.mShortComponent + " for user " 19716 + userId + ":"); 19717 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19718 } 19719 return; 19720 } 19721 } 19722 19723 if (existing != null) { 19724 if (DEBUG_PREFERRED) { 19725 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 19726 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19727 } 19728 for (int i = 0; i < existing.size(); i++) { 19729 PreferredActivity pa = existing.get(i); 19730 if (DEBUG_PREFERRED) { 19731 Slog.i(TAG, "Removing existing preferred activity " 19732 + pa.mPref.mComponent + ":"); 19733 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 19734 } 19735 pir.removeFilter(pa); 19736 } 19737 } 19738 } 19739 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19740 "Replacing preferred"); 19741 } 19742 } 19743 19744 @Override 19745 public void clearPackagePreferredActivities(String packageName) { 19746 final int callingUid = Binder.getCallingUid(); 19747 if (getInstantAppPackageName(callingUid) != null) { 19748 return; 19749 } 19750 // writer 19751 synchronized (mPackages) { 19752 PackageParser.Package pkg = mPackages.get(packageName); 19753 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 19754 if (mContext.checkCallingOrSelfPermission( 19755 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19756 != PackageManager.PERMISSION_GRANTED) { 19757 if (getUidTargetSdkVersionLockedLPr(callingUid) 19758 < Build.VERSION_CODES.FROYO) { 19759 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 19760 + callingUid); 19761 return; 19762 } 19763 mContext.enforceCallingOrSelfPermission( 19764 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19765 } 19766 } 19767 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19768 if (ps != null 19769 && filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 19770 return; 19771 } 19772 int user = UserHandle.getCallingUserId(); 19773 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 19774 scheduleWritePackageRestrictionsLocked(user); 19775 } 19776 } 19777 } 19778 19779 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19780 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 19781 ArrayList<PreferredActivity> removed = null; 19782 boolean changed = false; 19783 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19784 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 19785 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19786 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 19787 continue; 19788 } 19789 Iterator<PreferredActivity> it = pir.filterIterator(); 19790 while (it.hasNext()) { 19791 PreferredActivity pa = it.next(); 19792 // Mark entry for removal only if it matches the package name 19793 // and the entry is of type "always". 19794 if (packageName == null || 19795 (pa.mPref.mComponent.getPackageName().equals(packageName) 19796 && pa.mPref.mAlways)) { 19797 if (removed == null) { 19798 removed = new ArrayList<PreferredActivity>(); 19799 } 19800 removed.add(pa); 19801 } 19802 } 19803 if (removed != null) { 19804 for (int j=0; j<removed.size(); j++) { 19805 PreferredActivity pa = removed.get(j); 19806 pir.removeFilter(pa); 19807 } 19808 changed = true; 19809 } 19810 } 19811 if (changed) { 19812 postPreferredActivityChangedBroadcast(userId); 19813 } 19814 return changed; 19815 } 19816 19817 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19818 private void clearIntentFilterVerificationsLPw(int userId) { 19819 final int packageCount = mPackages.size(); 19820 for (int i = 0; i < packageCount; i++) { 19821 PackageParser.Package pkg = mPackages.valueAt(i); 19822 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19823 } 19824 } 19825 19826 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19827 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19828 if (userId == UserHandle.USER_ALL) { 19829 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19830 sUserManager.getUserIds())) { 19831 for (int oneUserId : sUserManager.getUserIds()) { 19832 scheduleWritePackageRestrictionsLocked(oneUserId); 19833 } 19834 } 19835 } else { 19836 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19837 scheduleWritePackageRestrictionsLocked(userId); 19838 } 19839 } 19840 } 19841 19842 /** Clears state for all users, and touches intent filter verification policy */ 19843 void clearDefaultBrowserIfNeeded(String packageName) { 19844 for (int oneUserId : sUserManager.getUserIds()) { 19845 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 19846 } 19847 } 19848 19849 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 19850 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 19851 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 19852 if (packageName.equals(defaultBrowserPackageName)) { 19853 setDefaultBrowserPackageName(null, userId); 19854 } 19855 } 19856 } 19857 19858 @Override 19859 public void resetApplicationPreferences(int userId) { 19860 mContext.enforceCallingOrSelfPermission( 19861 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19862 final long identity = Binder.clearCallingIdentity(); 19863 // writer 19864 try { 19865 synchronized (mPackages) { 19866 clearPackagePreferredActivitiesLPw(null, userId); 19867 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19868 // TODO: We have to reset the default SMS and Phone. This requires 19869 // significant refactoring to keep all default apps in the package 19870 // manager (cleaner but more work) or have the services provide 19871 // callbacks to the package manager to request a default app reset. 19872 applyFactoryDefaultBrowserLPw(userId); 19873 clearIntentFilterVerificationsLPw(userId); 19874 primeDomainVerificationsLPw(userId); 19875 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19876 scheduleWritePackageRestrictionsLocked(userId); 19877 } 19878 resetNetworkPolicies(userId); 19879 } finally { 19880 Binder.restoreCallingIdentity(identity); 19881 } 19882 } 19883 19884 @Override 19885 public int getPreferredActivities(List<IntentFilter> outFilters, 19886 List<ComponentName> outActivities, String packageName) { 19887 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19888 return 0; 19889 } 19890 int num = 0; 19891 final int userId = UserHandle.getCallingUserId(); 19892 // reader 19893 synchronized (mPackages) { 19894 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19895 if (pir != null) { 19896 final Iterator<PreferredActivity> it = pir.filterIterator(); 19897 while (it.hasNext()) { 19898 final PreferredActivity pa = it.next(); 19899 if (packageName == null 19900 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19901 && pa.mPref.mAlways)) { 19902 if (outFilters != null) { 19903 outFilters.add(new IntentFilter(pa)); 19904 } 19905 if (outActivities != null) { 19906 outActivities.add(pa.mPref.mComponent); 19907 } 19908 } 19909 } 19910 } 19911 } 19912 19913 return num; 19914 } 19915 19916 @Override 19917 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19918 int userId) { 19919 int callingUid = Binder.getCallingUid(); 19920 if (callingUid != Process.SYSTEM_UID) { 19921 throw new SecurityException( 19922 "addPersistentPreferredActivity can only be run by the system"); 19923 } 19924 if (filter.countActions() == 0) { 19925 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19926 return; 19927 } 19928 synchronized (mPackages) { 19929 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19930 ":"); 19931 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19932 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19933 new PersistentPreferredActivity(filter, activity)); 19934 scheduleWritePackageRestrictionsLocked(userId); 19935 postPreferredActivityChangedBroadcast(userId); 19936 } 19937 } 19938 19939 @Override 19940 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19941 int callingUid = Binder.getCallingUid(); 19942 if (callingUid != Process.SYSTEM_UID) { 19943 throw new SecurityException( 19944 "clearPackagePersistentPreferredActivities can only be run by the system"); 19945 } 19946 ArrayList<PersistentPreferredActivity> removed = null; 19947 boolean changed = false; 19948 synchronized (mPackages) { 19949 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19950 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19951 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19952 .valueAt(i); 19953 if (userId != thisUserId) { 19954 continue; 19955 } 19956 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19957 while (it.hasNext()) { 19958 PersistentPreferredActivity ppa = it.next(); 19959 // Mark entry for removal only if it matches the package name. 19960 if (ppa.mComponent.getPackageName().equals(packageName)) { 19961 if (removed == null) { 19962 removed = new ArrayList<PersistentPreferredActivity>(); 19963 } 19964 removed.add(ppa); 19965 } 19966 } 19967 if (removed != null) { 19968 for (int j=0; j<removed.size(); j++) { 19969 PersistentPreferredActivity ppa = removed.get(j); 19970 ppir.removeFilter(ppa); 19971 } 19972 changed = true; 19973 } 19974 } 19975 19976 if (changed) { 19977 scheduleWritePackageRestrictionsLocked(userId); 19978 postPreferredActivityChangedBroadcast(userId); 19979 } 19980 } 19981 } 19982 19983 /** 19984 * Common machinery for picking apart a restored XML blob and passing 19985 * it to a caller-supplied functor to be applied to the running system. 19986 */ 19987 private void restoreFromXml(XmlPullParser parser, int userId, 19988 String expectedStartTag, BlobXmlRestorer functor) 19989 throws IOException, XmlPullParserException { 19990 int type; 19991 while ((type = parser.next()) != XmlPullParser.START_TAG 19992 && type != XmlPullParser.END_DOCUMENT) { 19993 } 19994 if (type != XmlPullParser.START_TAG) { 19995 // oops didn't find a start tag?! 19996 if (DEBUG_BACKUP) { 19997 Slog.e(TAG, "Didn't find start tag during restore"); 19998 } 19999 return; 20000 } 20001 Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 20002 // this is supposed to be TAG_PREFERRED_BACKUP 20003 if (!expectedStartTag.equals(parser.getName())) { 20004 if (DEBUG_BACKUP) { 20005 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 20006 } 20007 return; 20008 } 20009 20010 // skip interfering stuff, then we're aligned with the backing implementation 20011 while ((type = parser.next()) == XmlPullParser.TEXT) { } 20012 Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 20013 functor.apply(parser, userId); 20014 } 20015 20016 private interface BlobXmlRestorer { 20017 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 20018 } 20019 20020 /** 20021 * Non-Binder method, support for the backup/restore mechanism: write the 20022 * full set of preferred activities in its canonical XML format. Returns the 20023 * XML output as a byte array, or null if there is none. 20024 */ 20025 @Override 20026 public byte[] getPreferredActivityBackup(int userId) { 20027 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20028 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 20029 } 20030 20031 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20032 try { 20033 final XmlSerializer serializer = new FastXmlSerializer(); 20034 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20035 serializer.startDocument(null, true); 20036 serializer.startTag(null, TAG_PREFERRED_BACKUP); 20037 20038 synchronized (mPackages) { 20039 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 20040 } 20041 20042 serializer.endTag(null, TAG_PREFERRED_BACKUP); 20043 serializer.endDocument(); 20044 serializer.flush(); 20045 } catch (Exception e) { 20046 if (DEBUG_BACKUP) { 20047 Slog.e(TAG, "Unable to write preferred activities for backup", e); 20048 } 20049 return null; 20050 } 20051 20052 return dataStream.toByteArray(); 20053 } 20054 20055 @Override 20056 public void restorePreferredActivities(byte[] backup, int userId) { 20057 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20058 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20059 } 20060 20061 try { 20062 final XmlPullParser parser = Xml.newPullParser(); 20063 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20064 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 20065 new BlobXmlRestorer() { 20066 @Override 20067 public void apply(XmlPullParser parser, int userId) 20068 throws XmlPullParserException, IOException { 20069 synchronized (mPackages) { 20070 mSettings.readPreferredActivitiesLPw(parser, userId); 20071 } 20072 } 20073 } ); 20074 } catch (Exception e) { 20075 if (DEBUG_BACKUP) { 20076 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20077 } 20078 } 20079 } 20080 20081 /** 20082 * Non-Binder method, support for the backup/restore mechanism: write the 20083 * default browser (etc) settings in its canonical XML format. Returns the default 20084 * browser XML representation as a byte array, or null if there is none. 20085 */ 20086 @Override 20087 public byte[] getDefaultAppsBackup(int userId) { 20088 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20089 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 20090 } 20091 20092 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20093 try { 20094 final XmlSerializer serializer = new FastXmlSerializer(); 20095 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20096 serializer.startDocument(null, true); 20097 serializer.startTag(null, TAG_DEFAULT_APPS); 20098 20099 synchronized (mPackages) { 20100 mSettings.writeDefaultAppsLPr(serializer, userId); 20101 } 20102 20103 serializer.endTag(null, TAG_DEFAULT_APPS); 20104 serializer.endDocument(); 20105 serializer.flush(); 20106 } catch (Exception e) { 20107 if (DEBUG_BACKUP) { 20108 Slog.e(TAG, "Unable to write default apps for backup", e); 20109 } 20110 return null; 20111 } 20112 20113 return dataStream.toByteArray(); 20114 } 20115 20116 @Override 20117 public void restoreDefaultApps(byte[] backup, int userId) { 20118 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20119 throw new SecurityException("Only the system may call restoreDefaultApps()"); 20120 } 20121 20122 try { 20123 final XmlPullParser parser = Xml.newPullParser(); 20124 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20125 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 20126 new BlobXmlRestorer() { 20127 @Override 20128 public void apply(XmlPullParser parser, int userId) 20129 throws XmlPullParserException, IOException { 20130 synchronized (mPackages) { 20131 mSettings.readDefaultAppsLPw(parser, userId); 20132 } 20133 } 20134 } ); 20135 } catch (Exception e) { 20136 if (DEBUG_BACKUP) { 20137 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 20138 } 20139 } 20140 } 20141 20142 @Override 20143 public byte[] getIntentFilterVerificationBackup(int userId) { 20144 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20145 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 20146 } 20147 20148 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20149 try { 20150 final XmlSerializer serializer = new FastXmlSerializer(); 20151 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20152 serializer.startDocument(null, true); 20153 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 20154 20155 synchronized (mPackages) { 20156 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 20157 } 20158 20159 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 20160 serializer.endDocument(); 20161 serializer.flush(); 20162 } catch (Exception e) { 20163 if (DEBUG_BACKUP) { 20164 Slog.e(TAG, "Unable to write default apps for backup", e); 20165 } 20166 return null; 20167 } 20168 20169 return dataStream.toByteArray(); 20170 } 20171 20172 @Override 20173 public void restoreIntentFilterVerification(byte[] backup, int userId) { 20174 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20175 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20176 } 20177 20178 try { 20179 final XmlPullParser parser = Xml.newPullParser(); 20180 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20181 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 20182 new BlobXmlRestorer() { 20183 @Override 20184 public void apply(XmlPullParser parser, int userId) 20185 throws XmlPullParserException, IOException { 20186 synchronized (mPackages) { 20187 mSettings.readAllDomainVerificationsLPr(parser, userId); 20188 mSettings.writeLPr(); 20189 } 20190 } 20191 } ); 20192 } catch (Exception e) { 20193 if (DEBUG_BACKUP) { 20194 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20195 } 20196 } 20197 } 20198 20199 @Override 20200 public byte[] getPermissionGrantBackup(int userId) { 20201 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20202 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 20203 } 20204 20205 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20206 try { 20207 final XmlSerializer serializer = new FastXmlSerializer(); 20208 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20209 serializer.startDocument(null, true); 20210 serializer.startTag(null, TAG_PERMISSION_BACKUP); 20211 20212 synchronized (mPackages) { 20213 serializeRuntimePermissionGrantsLPr(serializer, userId); 20214 } 20215 20216 serializer.endTag(null, TAG_PERMISSION_BACKUP); 20217 serializer.endDocument(); 20218 serializer.flush(); 20219 } catch (Exception e) { 20220 if (DEBUG_BACKUP) { 20221 Slog.e(TAG, "Unable to write default apps for backup", e); 20222 } 20223 return null; 20224 } 20225 20226 return dataStream.toByteArray(); 20227 } 20228 20229 @Override 20230 public void restorePermissionGrants(byte[] backup, int userId) { 20231 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20232 throw new SecurityException("Only the system may call restorePermissionGrants()"); 20233 } 20234 20235 try { 20236 final XmlPullParser parser = Xml.newPullParser(); 20237 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20238 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 20239 new BlobXmlRestorer() { 20240 @Override 20241 public void apply(XmlPullParser parser, int userId) 20242 throws XmlPullParserException, IOException { 20243 synchronized (mPackages) { 20244 processRestoredPermissionGrantsLPr(parser, userId); 20245 } 20246 } 20247 } ); 20248 } catch (Exception e) { 20249 if (DEBUG_BACKUP) { 20250 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20251 } 20252 } 20253 } 20254 20255 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 20256 throws IOException { 20257 serializer.startTag(null, TAG_ALL_GRANTS); 20258 20259 final int N = mSettings.mPackages.size(); 20260 for (int i = 0; i < N; i++) { 20261 final PackageSetting ps = mSettings.mPackages.valueAt(i); 20262 boolean pkgGrantsKnown = false; 20263 20264 PermissionsState packagePerms = ps.getPermissionsState(); 20265 20266 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 20267 final int grantFlags = state.getFlags(); 20268 // only look at grants that are not system/policy fixed 20269 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 20270 final boolean isGranted = state.isGranted(); 20271 // And only back up the user-twiddled state bits 20272 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 20273 final String packageName = mSettings.mPackages.keyAt(i); 20274 if (!pkgGrantsKnown) { 20275 serializer.startTag(null, TAG_GRANT); 20276 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 20277 pkgGrantsKnown = true; 20278 } 20279 20280 final boolean userSet = 20281 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 20282 final boolean userFixed = 20283 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 20284 final boolean revoke = 20285 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 20286 20287 serializer.startTag(null, TAG_PERMISSION); 20288 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 20289 if (isGranted) { 20290 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 20291 } 20292 if (userSet) { 20293 serializer.attribute(null, ATTR_USER_SET, "true"); 20294 } 20295 if (userFixed) { 20296 serializer.attribute(null, ATTR_USER_FIXED, "true"); 20297 } 20298 if (revoke) { 20299 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 20300 } 20301 serializer.endTag(null, TAG_PERMISSION); 20302 } 20303 } 20304 } 20305 20306 if (pkgGrantsKnown) { 20307 serializer.endTag(null, TAG_GRANT); 20308 } 20309 } 20310 20311 serializer.endTag(null, TAG_ALL_GRANTS); 20312 } 20313 20314 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 20315 throws XmlPullParserException, IOException { 20316 String pkgName = null; 20317 int outerDepth = parser.getDepth(); 20318 int type; 20319 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 20320 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 20321 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 20322 continue; 20323 } 20324 20325 final String tagName = parser.getName(); 20326 if (tagName.equals(TAG_GRANT)) { 20327 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 20328 if (DEBUG_BACKUP) { 20329 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 20330 } 20331 } else if (tagName.equals(TAG_PERMISSION)) { 20332 20333 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 20334 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 20335 20336 int newFlagSet = 0; 20337 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 20338 newFlagSet |= FLAG_PERMISSION_USER_SET; 20339 } 20340 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 20341 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 20342 } 20343 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 20344 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 20345 } 20346 if (DEBUG_BACKUP) { 20347 Slog.v(TAG, " + Restoring grant:" 20348 + " pkg=" + pkgName 20349 + " perm=" + permName 20350 + " granted=" + isGranted 20351 + " bits=0x" + Integer.toHexString(newFlagSet)); 20352 } 20353 final PackageSetting ps = mSettings.mPackages.get(pkgName); 20354 if (ps != null) { 20355 // Already installed so we apply the grant immediately 20356 if (DEBUG_BACKUP) { 20357 Slog.v(TAG, " + already installed; applying"); 20358 } 20359 PermissionsState perms = ps.getPermissionsState(); 20360 BasePermission bp = 20361 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 20362 if (bp != null) { 20363 if (isGranted) { 20364 perms.grantRuntimePermission(bp, userId); 20365 } 20366 if (newFlagSet != 0) { 20367 perms.updatePermissionFlags( 20368 bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 20369 } 20370 } 20371 } else { 20372 // Need to wait for post-restore install to apply the grant 20373 if (DEBUG_BACKUP) { 20374 Slog.v(TAG, " - not yet installed; saving for later"); 20375 } 20376 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 20377 isGranted, newFlagSet, userId); 20378 } 20379 } else { 20380 PackageManagerService.reportSettingsProblem(Log.WARN, 20381 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 20382 XmlUtils.skipCurrentTag(parser); 20383 } 20384 } 20385 20386 scheduleWriteSettingsLocked(); 20387 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 20388 } 20389 20390 @Override 20391 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 20392 int sourceUserId, int targetUserId, int flags) { 20393 mContext.enforceCallingOrSelfPermission( 20394 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20395 int callingUid = Binder.getCallingUid(); 20396 enforceOwnerRights(ownerPackage, callingUid); 20397 PackageManagerServiceUtils.enforceShellRestriction( 20398 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20399 if (intentFilter.countActions() == 0) { 20400 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 20401 return; 20402 } 20403 synchronized (mPackages) { 20404 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 20405 ownerPackage, targetUserId, flags); 20406 CrossProfileIntentResolver resolver = 20407 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20408 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 20409 // We have all those whose filter is equal. Now checking if the rest is equal as well. 20410 if (existing != null) { 20411 int size = existing.size(); 20412 for (int i = 0; i < size; i++) { 20413 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 20414 return; 20415 } 20416 } 20417 } 20418 resolver.addFilter(newFilter); 20419 scheduleWritePackageRestrictionsLocked(sourceUserId); 20420 } 20421 } 20422 20423 @Override 20424 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 20425 mContext.enforceCallingOrSelfPermission( 20426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20427 final int callingUid = Binder.getCallingUid(); 20428 enforceOwnerRights(ownerPackage, callingUid); 20429 PackageManagerServiceUtils.enforceShellRestriction( 20430 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20431 synchronized (mPackages) { 20432 CrossProfileIntentResolver resolver = 20433 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20434 ArraySet<CrossProfileIntentFilter> set = 20435 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 20436 for (CrossProfileIntentFilter filter : set) { 20437 if (filter.getOwnerPackage().equals(ownerPackage)) { 20438 resolver.removeFilter(filter); 20439 } 20440 } 20441 scheduleWritePackageRestrictionsLocked(sourceUserId); 20442 } 20443 } 20444 20445 // Enforcing that callingUid is owning pkg on userId 20446 private void enforceOwnerRights(String pkg, int callingUid) { 20447 // The system owns everything. 20448 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 20449 return; 20450 } 20451 final int callingUserId = UserHandle.getUserId(callingUid); 20452 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 20453 if (pi == null) { 20454 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 20455 + callingUserId); 20456 } 20457 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 20458 throw new SecurityException("Calling uid " + callingUid 20459 + " does not own package " + pkg); 20460 } 20461 } 20462 20463 @Override 20464 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 20465 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20466 return null; 20467 } 20468 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 20469 } 20470 20471 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 20472 UserManagerService ums = UserManagerService.getInstance(); 20473 if (ums != null) { 20474 final UserInfo parent = ums.getProfileParent(userId); 20475 final int launcherUid = (parent != null) ? parent.id : userId; 20476 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 20477 if (launcherComponent != null) { 20478 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 20479 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 20480 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 20481 .setPackage(launcherComponent.getPackageName()); 20482 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 20483 } 20484 } 20485 } 20486 20487 /** 20488 * Report the 'Home' activity which is currently set as "always use this one". If non is set 20489 * then reports the most likely home activity or null if there are more than one. 20490 */ 20491 private ComponentName getDefaultHomeActivity(int userId) { 20492 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 20493 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 20494 if (cn != null) { 20495 return cn; 20496 } 20497 20498 // Find the launcher with the highest priority and return that component if there are no 20499 // other home activity with the same priority. 20500 int lastPriority = Integer.MIN_VALUE; 20501 ComponentName lastComponent = null; 20502 final int size = allHomeCandidates.size(); 20503 for (int i = 0; i < size; i++) { 20504 final ResolveInfo ri = allHomeCandidates.get(i); 20505 if (ri.priority > lastPriority) { 20506 lastComponent = ri.activityInfo.getComponentName(); 20507 lastPriority = ri.priority; 20508 } else if (ri.priority == lastPriority) { 20509 // Two components found with same priority. 20510 lastComponent = null; 20511 } 20512 } 20513 return lastComponent; 20514 } 20515 20516 private Intent getHomeIntent() { 20517 Intent intent = new Intent(Intent.ACTION_MAIN); 20518 intent.addCategory(Intent.CATEGORY_HOME); 20519 intent.addCategory(Intent.CATEGORY_DEFAULT); 20520 return intent; 20521 } 20522 20523 private IntentFilter getHomeFilter() { 20524 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 20525 filter.addCategory(Intent.CATEGORY_HOME); 20526 filter.addCategory(Intent.CATEGORY_DEFAULT); 20527 return filter; 20528 } 20529 20530 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20531 int userId) { 20532 Intent intent = getHomeIntent(); 20533 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 20534 PackageManager.GET_META_DATA, userId); 20535 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 20536 true, false, false, userId); 20537 20538 allHomeCandidates.clear(); 20539 if (list != null) { 20540 for (ResolveInfo ri : list) { 20541 allHomeCandidates.add(ri); 20542 } 20543 } 20544 return (preferred == null || preferred.activityInfo == null) 20545 ? null 20546 : new ComponentName(preferred.activityInfo.packageName, 20547 preferred.activityInfo.name); 20548 } 20549 20550 @Override 20551 public void setHomeActivity(ComponentName comp, int userId) { 20552 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20553 return; 20554 } 20555 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 20556 getHomeActivitiesAsUser(homeActivities, userId); 20557 20558 boolean found = false; 20559 20560 final int size = homeActivities.size(); 20561 final ComponentName[] set = new ComponentName[size]; 20562 for (int i = 0; i < size; i++) { 20563 final ResolveInfo candidate = homeActivities.get(i); 20564 final ActivityInfo info = candidate.activityInfo; 20565 final ComponentName activityName = new ComponentName(info.packageName, info.name); 20566 set[i] = activityName; 20567 if (!found && activityName.equals(comp)) { 20568 found = true; 20569 } 20570 } 20571 if (!found) { 20572 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 20573 + userId); 20574 } 20575 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 20576 set, comp, userId); 20577 } 20578 20579 private @Nullable String getSetupWizardPackageName() { 20580 final Intent intent = new Intent(Intent.ACTION_MAIN); 20581 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 20582 20583 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20584 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20585 | MATCH_DISABLED_COMPONENTS, 20586 UserHandle.myUserId()); 20587 if (matches.size() == 1) { 20588 return matches.get(0).getComponentInfo().packageName; 20589 } else { 20590 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 20591 + ": matches=" + matches); 20592 return null; 20593 } 20594 } 20595 20596 private @Nullable String getStorageManagerPackageName() { 20597 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 20598 20599 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20600 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20601 | MATCH_DISABLED_COMPONENTS, 20602 UserHandle.myUserId()); 20603 if (matches.size() == 1) { 20604 return matches.get(0).getComponentInfo().packageName; 20605 } else { 20606 Slog.e(TAG, "There should probably be exactly one storage manager; found " 20607 + matches.size() + ": matches=" + matches); 20608 return null; 20609 } 20610 } 20611 20612 @Override 20613 public String getSystemTextClassifierPackageName() { 20614 return mContext.getString(R.string.config_defaultTextClassifierPackage); 20615 } 20616 20617 @Override 20618 public void setApplicationEnabledSetting(String appPackageName, 20619 int newState, int flags, int userId, String callingPackage) { 20620 if (!sUserManager.exists(userId)) return; 20621 if (callingPackage == null) { 20622 callingPackage = Integer.toString(Binder.getCallingUid()); 20623 } 20624 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 20625 } 20626 20627 @Override 20628 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 20629 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 20630 synchronized (mPackages) { 20631 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 20632 if (pkgSetting != null) { 20633 pkgSetting.setUpdateAvailable(updateAvailable); 20634 } 20635 } 20636 } 20637 20638 @Override 20639 public void setComponentEnabledSetting(ComponentName componentName, 20640 int newState, int flags, int userId) { 20641 if (!sUserManager.exists(userId)) return; 20642 setEnabledSetting(componentName.getPackageName(), 20643 componentName.getClassName(), newState, flags, userId, null); 20644 } 20645 20646 private void setEnabledSetting(final String packageName, String className, int newState, 20647 final int flags, int userId, String callingPackage) { 20648 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 20649 || newState == COMPONENT_ENABLED_STATE_ENABLED 20650 || newState == COMPONENT_ENABLED_STATE_DISABLED 20651 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20652 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 20653 throw new IllegalArgumentException("Invalid new component state: " 20654 + newState); 20655 } 20656 PackageSetting pkgSetting; 20657 final int callingUid = Binder.getCallingUid(); 20658 final int permission; 20659 if (callingUid == Process.SYSTEM_UID) { 20660 permission = PackageManager.PERMISSION_GRANTED; 20661 } else { 20662 permission = mContext.checkCallingOrSelfPermission( 20663 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20664 } 20665 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20666 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 20667 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20668 boolean sendNow = false; 20669 boolean isApp = (className == null); 20670 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 20671 String componentName = isApp ? packageName : className; 20672 int packageUid = -1; 20673 ArrayList<String> components; 20674 20675 // reader 20676 synchronized (mPackages) { 20677 pkgSetting = mSettings.mPackages.get(packageName); 20678 if (pkgSetting == null) { 20679 if (!isCallerInstantApp) { 20680 if (className == null) { 20681 throw new IllegalArgumentException("Unknown package: " + packageName); 20682 } 20683 throw new IllegalArgumentException( 20684 "Unknown component: " + packageName + "/" + className); 20685 } else { 20686 // throw SecurityException to prevent leaking package information 20687 throw new SecurityException( 20688 "Attempt to change component state; " 20689 + "pid=" + Binder.getCallingPid() 20690 + ", uid=" + callingUid 20691 + (className == null 20692 ? ", package=" + packageName 20693 : ", component=" + packageName + "/" + className)); 20694 } 20695 } 20696 } 20697 20698 // Limit who can change which apps 20699 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 20700 // Don't allow apps that don't have permission to modify other apps 20701 if (!allowedByPermission 20702 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 20703 throw new SecurityException( 20704 "Attempt to change component state; " 20705 + "pid=" + Binder.getCallingPid() 20706 + ", uid=" + callingUid 20707 + (className == null 20708 ? ", package=" + packageName 20709 : ", component=" + packageName + "/" + className)); 20710 } 20711 // Don't allow changing protected packages. 20712 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 20713 throw new SecurityException("Cannot disable a protected package: " + packageName); 20714 } 20715 } 20716 20717 synchronized (mPackages) { 20718 if (callingUid == Process.SHELL_UID 20719 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 20720 // Shell can only change whole packages between ENABLED and DISABLED_USER states 20721 // unless it is a test package. 20722 int oldState = pkgSetting.getEnabled(userId); 20723 if (className == null 20724 && 20725 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 20726 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 20727 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 20728 && 20729 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20730 || newState == COMPONENT_ENABLED_STATE_DEFAULT 20731 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 20732 // ok 20733 } else { 20734 throw new SecurityException( 20735 "Shell cannot change component state for " + packageName + "/" 20736 + className + " to " + newState); 20737 } 20738 } 20739 } 20740 if (className == null) { 20741 // We're dealing with an application/package level state change 20742 synchronized (mPackages) { 20743 if (pkgSetting.getEnabled(userId) == newState) { 20744 // Nothing to do 20745 return; 20746 } 20747 } 20748 // If we're enabling a system stub, there's a little more work to do. 20749 // Prior to enabling the package, we need to decompress the APK(s) to the 20750 // data partition and then replace the version on the system partition. 20751 final PackageParser.Package deletedPkg = pkgSetting.pkg; 20752 final boolean isSystemStub = deletedPkg.isStub 20753 && deletedPkg.isSystem(); 20754 if (isSystemStub 20755 && (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20756 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED)) { 20757 final File codePath = decompressPackage(deletedPkg); 20758 if (codePath == null) { 20759 Slog.e(TAG, "couldn't decompress pkg: " + pkgSetting.name); 20760 return; 20761 } 20762 // TODO remove direct parsing of the package object during internal cleanup 20763 // of scan package 20764 // We need to call parse directly here for no other reason than we need 20765 // the new package in order to disable the old one [we use the information 20766 // for some internal optimization to optionally create a new package setting 20767 // object on replace]. However, we can't get the package from the scan 20768 // because the scan modifies live structures and we need to remove the 20769 // old [system] package from the system before a scan can be attempted. 20770 // Once scan is indempotent we can remove this parse and use the package 20771 // object we scanned, prior to adding it to package settings. 20772 final PackageParser pp = new PackageParser(); 20773 pp.setSeparateProcesses(mSeparateProcesses); 20774 pp.setDisplayMetrics(mMetrics); 20775 pp.setCallback(mPackageParserCallback); 20776 final PackageParser.Package tmpPkg; 20777 try { 20778 final @ParseFlags int parseFlags = mDefParseFlags 20779 | PackageParser.PARSE_MUST_BE_APK 20780 | PackageParser.PARSE_IS_SYSTEM_DIR; 20781 tmpPkg = pp.parsePackage(codePath, parseFlags); 20782 } catch (PackageParserException e) { 20783 Slog.w(TAG, "Failed to parse compressed system package:" + pkgSetting.name, e); 20784 return; 20785 } 20786 synchronized (mInstallLock) { 20787 // Disable the stub and remove any package entries 20788 removePackageLI(deletedPkg, true); 20789 synchronized (mPackages) { 20790 disableSystemPackageLPw(deletedPkg, tmpPkg); 20791 } 20792 final PackageParser.Package pkg; 20793 try (PackageFreezer freezer = 20794 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20795 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 20796 | PackageParser.PARSE_ENFORCE_CODE; 20797 pkg = scanPackageTracedLI(codePath, parseFlags, 0 /*scanFlags*/, 20798 0 /*currentTime*/, null /*user*/); 20799 prepareAppDataAfterInstallLIF(pkg); 20800 synchronized (mPackages) { 20801 try { 20802 updateSharedLibrariesLPr(pkg, null); 20803 } catch (PackageManagerException e) { 20804 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: ", e); 20805 } 20806 mPermissionManager.updatePermissions( 20807 pkg.packageName, pkg, true, mPackages.values(), 20808 mPermissionCallback); 20809 mSettings.writeLPr(); 20810 } 20811 } catch (PackageManagerException e) { 20812 // Whoops! Something went wrong; try to roll back to the stub 20813 Slog.w(TAG, "Failed to install compressed system package:" 20814 + pkgSetting.name, e); 20815 // Remove the failed install 20816 removeCodePathLI(codePath); 20817 20818 // Install the system package 20819 try (PackageFreezer freezer = 20820 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20821 synchronized (mPackages) { 20822 // NOTE: The system package always needs to be enabled; even 20823 // if it's for a compressed stub. If we don't, installing the 20824 // system package fails during scan [scanning checks the disabled 20825 // packages]. We will reverse this later, after we've "installed" 20826 // the stub. 20827 // This leaves us in a fragile state; the stub should never be 20828 // enabled, so, cross your fingers and hope nothing goes wrong 20829 // until we can disable the package later. 20830 enableSystemPackageLPw(deletedPkg); 20831 } 20832 installPackageFromSystemLIF(deletedPkg.codePath, 20833 false /*isPrivileged*/, null /*allUserHandles*/, 20834 null /*origUserHandles*/, null /*origPermissionsState*/, 20835 true /*writeSettings*/); 20836 } catch (PackageManagerException pme) { 20837 Slog.w(TAG, "Failed to restore system package:" 20838 + deletedPkg.packageName, pme); 20839 } finally { 20840 synchronized (mPackages) { 20841 mSettings.disableSystemPackageLPw( 20842 deletedPkg.packageName, true /*replaced*/); 20843 mSettings.writeLPr(); 20844 } 20845 } 20846 return; 20847 } 20848 clearAppDataLIF(pkg, UserHandle.USER_ALL, FLAG_STORAGE_DE 20849 | FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20850 mDexManager.notifyPackageUpdated(pkg.packageName, 20851 pkg.baseCodePath, pkg.splitCodePaths); 20852 } 20853 } 20854 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20855 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 20856 // Don't care about who enables an app. 20857 callingPackage = null; 20858 } 20859 synchronized (mPackages) { 20860 pkgSetting.setEnabled(newState, userId, callingPackage); 20861 } 20862 } else { 20863 synchronized (mPackages) { 20864 // We're dealing with a component level state change 20865 // First, verify that this is a valid class name. 20866 PackageParser.Package pkg = pkgSetting.pkg; 20867 if (pkg == null || !pkg.hasComponentClassName(className)) { 20868 if (pkg != null && 20869 pkg.applicationInfo.targetSdkVersion >= 20870 Build.VERSION_CODES.JELLY_BEAN) { 20871 throw new IllegalArgumentException("Component class " + className 20872 + " does not exist in " + packageName); 20873 } else { 20874 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 20875 + className + " does not exist in " + packageName); 20876 } 20877 } 20878 switch (newState) { 20879 case COMPONENT_ENABLED_STATE_ENABLED: 20880 if (!pkgSetting.enableComponentLPw(className, userId)) { 20881 return; 20882 } 20883 break; 20884 case COMPONENT_ENABLED_STATE_DISABLED: 20885 if (!pkgSetting.disableComponentLPw(className, userId)) { 20886 return; 20887 } 20888 break; 20889 case COMPONENT_ENABLED_STATE_DEFAULT: 20890 if (!pkgSetting.restoreComponentLPw(className, userId)) { 20891 return; 20892 } 20893 break; 20894 default: 20895 Slog.e(TAG, "Invalid new component state: " + newState); 20896 return; 20897 } 20898 } 20899 } 20900 synchronized (mPackages) { 20901 scheduleWritePackageRestrictionsLocked(userId); 20902 updateSequenceNumberLP(pkgSetting, new int[] { userId }); 20903 final long callingId = Binder.clearCallingIdentity(); 20904 try { 20905 updateInstantAppInstallerLocked(packageName); 20906 } finally { 20907 Binder.restoreCallingIdentity(callingId); 20908 } 20909 components = mPendingBroadcasts.get(userId, packageName); 20910 final boolean newPackage = components == null; 20911 if (newPackage) { 20912 components = new ArrayList<String>(); 20913 } 20914 if (!components.contains(componentName)) { 20915 components.add(componentName); 20916 } 20917 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 20918 sendNow = true; 20919 // Purge entry from pending broadcast list if another one exists already 20920 // since we are sending one right away. 20921 mPendingBroadcasts.remove(userId, packageName); 20922 } else { 20923 if (newPackage) { 20924 mPendingBroadcasts.put(userId, packageName, components); 20925 } 20926 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 20927 // Schedule a message 20928 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 20929 } 20930 } 20931 } 20932 20933 long callingId = Binder.clearCallingIdentity(); 20934 try { 20935 if (sendNow) { 20936 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 20937 sendPackageChangedBroadcast(packageName, 20938 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 20939 } 20940 } finally { 20941 Binder.restoreCallingIdentity(callingId); 20942 } 20943 } 20944 20945 @Override 20946 public void flushPackageRestrictionsAsUser(int userId) { 20947 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20948 return; 20949 } 20950 if (!sUserManager.exists(userId)) { 20951 return; 20952 } 20953 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 20954 false /* checkShell */, "flushPackageRestrictions"); 20955 synchronized (mPackages) { 20956 mSettings.writePackageRestrictionsLPr(userId); 20957 mDirtyUsers.remove(userId); 20958 if (mDirtyUsers.isEmpty()) { 20959 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 20960 } 20961 } 20962 } 20963 20964 private void sendPackageChangedBroadcast(String packageName, 20965 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 20966 if (DEBUG_INSTALL) 20967 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 20968 + componentNames); 20969 Bundle extras = new Bundle(4); 20970 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 20971 String nameList[] = new String[componentNames.size()]; 20972 componentNames.toArray(nameList); 20973 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 20974 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 20975 extras.putInt(Intent.EXTRA_UID, packageUid); 20976 // If this is not reporting a change of the overall package, then only send it 20977 // to registered receivers. We don't want to launch a swath of apps for every 20978 // little component state change. 20979 final int flags = !componentNames.contains(packageName) 20980 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 20981 final int userId = UserHandle.getUserId(packageUid); 20982 final boolean isInstantApp = isInstantApp(packageName, userId); 20983 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 20984 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 20985 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 20986 userIds, instantUserIds); 20987 } 20988 20989 @Override 20990 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 20991 if (!sUserManager.exists(userId)) return; 20992 final int callingUid = Binder.getCallingUid(); 20993 if (getInstantAppPackageName(callingUid) != null) { 20994 return; 20995 } 20996 final int permission = mContext.checkCallingOrSelfPermission( 20997 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20998 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20999 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 21000 true /* requireFullPermission */, true /* checkShell */, "stop package"); 21001 // writer 21002 synchronized (mPackages) { 21003 final PackageSetting ps = mSettings.mPackages.get(packageName); 21004 if (!filterAppAccessLPr(ps, callingUid, userId) 21005 && mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 21006 allowedByPermission, callingUid, userId)) { 21007 scheduleWritePackageRestrictionsLocked(userId); 21008 } 21009 } 21010 } 21011 21012 @Override 21013 public String getInstallerPackageName(String packageName) { 21014 final int callingUid = Binder.getCallingUid(); 21015 synchronized (mPackages) { 21016 final PackageSetting ps = mSettings.mPackages.get(packageName); 21017 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 21018 return null; 21019 } 21020 return mSettings.getInstallerPackageNameLPr(packageName); 21021 } 21022 } 21023 21024 public boolean isOrphaned(String packageName) { 21025 // reader 21026 synchronized (mPackages) { 21027 return mSettings.isOrphaned(packageName); 21028 } 21029 } 21030 21031 @Override 21032 public int getApplicationEnabledSetting(String packageName, int userId) { 21033 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 21034 int callingUid = Binder.getCallingUid(); 21035 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 21036 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 21037 // reader 21038 synchronized (mPackages) { 21039 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 21040 return COMPONENT_ENABLED_STATE_DISABLED; 21041 } 21042 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 21043 } 21044 } 21045 21046 @Override 21047 public int getComponentEnabledSetting(ComponentName component, int userId) { 21048 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 21049 int callingUid = Binder.getCallingUid(); 21050 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 21051 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 21052 synchronized (mPackages) { 21053 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 21054 component, TYPE_UNKNOWN, userId)) { 21055 return COMPONENT_ENABLED_STATE_DISABLED; 21056 } 21057 return mSettings.getComponentEnabledSettingLPr(component, userId); 21058 } 21059 } 21060 21061 @Override 21062 public void enterSafeMode() { 21063 enforceSystemOrRoot("Only the system can request entering safe mode"); 21064 21065 if (!mSystemReady) { 21066 mSafeMode = true; 21067 } 21068 } 21069 21070 @Override 21071 public void systemReady() { 21072 enforceSystemOrRoot("Only the system can claim the system is ready"); 21073 21074 mSystemReady = true; 21075 final ContentResolver resolver = mContext.getContentResolver(); 21076 ContentObserver co = new ContentObserver(mHandler) { 21077 @Override 21078 public void onChange(boolean selfChange) { 21079 mWebInstantAppsDisabled = 21080 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 21081 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 21082 } 21083 }; 21084 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 21085 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 21086 false, co, UserHandle.USER_SYSTEM); 21087 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Secure 21088 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 21089 co.onChange(true); 21090 21091 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 21092 // disabled after already being started. 21093 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 21094 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 21095 21096 // Read the compatibilty setting when the system is ready. 21097 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 21098 mContext.getContentResolver(), 21099 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 21100 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 21101 if (DEBUG_SETTINGS) { 21102 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 21103 } 21104 21105 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 21106 21107 synchronized (mPackages) { 21108 // Verify that all of the preferred activity components actually 21109 // exist. It is possible for applications to be updated and at 21110 // that point remove a previously declared activity component that 21111 // had been set as a preferred activity. We try to clean this up 21112 // the next time we encounter that preferred activity, but it is 21113 // possible for the user flow to never be able to return to that 21114 // situation so here we do a sanity check to make sure we haven't 21115 // left any junk around. 21116 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 21117 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21118 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21119 removed.clear(); 21120 for (PreferredActivity pa : pir.filterSet()) { 21121 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 21122 removed.add(pa); 21123 } 21124 } 21125 if (removed.size() > 0) { 21126 for (int r=0; r<removed.size(); r++) { 21127 PreferredActivity pa = removed.get(r); 21128 Slog.w(TAG, "Removing dangling preferred activity: " 21129 + pa.mPref.mComponent); 21130 pir.removeFilter(pa); 21131 } 21132 mSettings.writePackageRestrictionsLPr( 21133 mSettings.mPreferredActivities.keyAt(i)); 21134 } 21135 } 21136 21137 for (int userId : UserManagerService.getInstance().getUserIds()) { 21138 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 21139 grantPermissionsUserIds = ArrayUtils.appendInt( 21140 grantPermissionsUserIds, userId); 21141 } 21142 } 21143 } 21144 sUserManager.systemReady(); 21145 // If we upgraded grant all default permissions before kicking off. 21146 for (int userId : grantPermissionsUserIds) { 21147 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21148 } 21149 21150 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 21151 // If we did not grant default permissions, we preload from this the 21152 // default permission exceptions lazily to ensure we don't hit the 21153 // disk on a new user creation. 21154 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 21155 } 21156 21157 // Now that we've scanned all packages, and granted any default 21158 // permissions, ensure permissions are updated. Beware of dragons if you 21159 // try optimizing this. 21160 synchronized (mPackages) { 21161 mPermissionManager.updateAllPermissions( 21162 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 21163 mPermissionCallback); 21164 } 21165 21166 // Kick off any messages waiting for system ready 21167 if (mPostSystemReadyMessages != null) { 21168 for (Message msg : mPostSystemReadyMessages) { 21169 msg.sendToTarget(); 21170 } 21171 mPostSystemReadyMessages = null; 21172 } 21173 21174 // Watch for external volumes that come and go over time 21175 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21176 storage.registerListener(mStorageListener); 21177 21178 mInstallerService.systemReady(); 21179 mDexManager.systemReady(); 21180 mPackageDexOptimizer.systemReady(); 21181 21182 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 21183 StorageManagerInternal.class); 21184 StorageManagerInternal.addExternalStoragePolicy( 21185 new StorageManagerInternal.ExternalStorageMountPolicy() { 21186 @Override 21187 public int getMountMode(int uid, String packageName) { 21188 if (Process.isIsolated(uid)) { 21189 return Zygote.MOUNT_EXTERNAL_NONE; 21190 } 21191 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21192 return Zygote.MOUNT_EXTERNAL_DEFAULT; 21193 } 21194 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21195 return Zygote.MOUNT_EXTERNAL_READ; 21196 } 21197 return Zygote.MOUNT_EXTERNAL_WRITE; 21198 } 21199 21200 @Override 21201 public boolean hasExternalStorage(int uid, String packageName) { 21202 return true; 21203 } 21204 }); 21205 21206 // Now that we're mostly running, clean up stale users and apps 21207 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 21208 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 21209 21210 mPermissionManager.systemReady(); 21211 21212 if (mInstantAppResolverConnection != null) { 21213 mContext.registerReceiver(new BroadcastReceiver() { 21214 @Override 21215 public void onReceive(Context context, Intent intent) { 21216 mInstantAppResolverConnection.optimisticBind(); 21217 mContext.unregisterReceiver(this); 21218 } 21219 }, new IntentFilter(Intent.ACTION_BOOT_COMPLETED)); 21220 } 21221 } 21222 21223 public void waitForAppDataPrepared() { 21224 if (mPrepareAppDataFuture == null) { 21225 return; 21226 } 21227 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 21228 mPrepareAppDataFuture = null; 21229 } 21230 21231 @Override 21232 public boolean isSafeMode() { 21233 // allow instant applications 21234 return mSafeMode; 21235 } 21236 21237 @Override 21238 public boolean hasSystemUidErrors() { 21239 // allow instant applications 21240 return mHasSystemUidErrors; 21241 } 21242 21243 static String arrayToString(int[] array) { 21244 StringBuffer buf = new StringBuffer(128); 21245 buf.append('['); 21246 if (array != null) { 21247 for (int i=0; i<array.length; i++) { 21248 if (i > 0) buf.append(", "); 21249 buf.append(array[i]); 21250 } 21251 } 21252 buf.append(']'); 21253 return buf.toString(); 21254 } 21255 21256 @Override 21257 public void onShellCommand(FileDescriptor in, FileDescriptor out, 21258 FileDescriptor err, String[] args, ShellCallback callback, 21259 ResultReceiver resultReceiver) { 21260 (new PackageManagerShellCommand(this)).exec( 21261 this, in, out, err, args, callback, resultReceiver); 21262 } 21263 21264 @Override 21265 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 21266 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 21267 21268 DumpState dumpState = new DumpState(); 21269 boolean fullPreferred = false; 21270 boolean checkin = false; 21271 21272 String packageName = null; 21273 ArraySet<String> permissionNames = null; 21274 21275 int opti = 0; 21276 while (opti < args.length) { 21277 String opt = args[opti]; 21278 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 21279 break; 21280 } 21281 opti++; 21282 21283 if ("-a".equals(opt)) { 21284 // Right now we only know how to print all. 21285 } else if ("-h".equals(opt)) { 21286 pw.println("Package manager dump options:"); 21287 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 21288 pw.println(" --checkin: dump for a checkin"); 21289 pw.println(" -f: print details of intent filters"); 21290 pw.println(" -h: print this help"); 21291 pw.println(" cmd may be one of:"); 21292 pw.println(" l[ibraries]: list known shared libraries"); 21293 pw.println(" f[eatures]: list device features"); 21294 pw.println(" k[eysets]: print known keysets"); 21295 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 21296 pw.println(" perm[issions]: dump permissions"); 21297 pw.println(" permission [name ...]: dump declaration and use of given permission"); 21298 pw.println(" pref[erred]: print preferred package settings"); 21299 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 21300 pw.println(" prov[iders]: dump content providers"); 21301 pw.println(" p[ackages]: dump installed packages"); 21302 pw.println(" s[hared-users]: dump shared user IDs"); 21303 pw.println(" m[essages]: print collected runtime messages"); 21304 pw.println(" v[erifiers]: print package verifier info"); 21305 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 21306 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 21307 pw.println(" version: print database version info"); 21308 pw.println(" write: write current settings now"); 21309 pw.println(" installs: details about install sessions"); 21310 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 21311 pw.println(" dexopt: dump dexopt state"); 21312 pw.println(" compiler-stats: dump compiler statistics"); 21313 pw.println(" service-permissions: dump permissions required by services"); 21314 pw.println(" <package.name>: info about given package"); 21315 return; 21316 } else if ("--checkin".equals(opt)) { 21317 checkin = true; 21318 } else if ("-f".equals(opt)) { 21319 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21320 } else if ("--proto".equals(opt)) { 21321 dumpProto(fd); 21322 return; 21323 } else { 21324 pw.println("Unknown argument: " + opt + "; use -h for help"); 21325 } 21326 } 21327 21328 // Is the caller requesting to dump a particular piece of data? 21329 if (opti < args.length) { 21330 String cmd = args[opti]; 21331 opti++; 21332 // Is this a package name? 21333 if ("android".equals(cmd) || cmd.contains(".")) { 21334 packageName = cmd; 21335 // When dumping a single package, we always dump all of its 21336 // filter information since the amount of data will be reasonable. 21337 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21338 } else if ("check-permission".equals(cmd)) { 21339 if (opti >= args.length) { 21340 pw.println("Error: check-permission missing permission argument"); 21341 return; 21342 } 21343 String perm = args[opti]; 21344 opti++; 21345 if (opti >= args.length) { 21346 pw.println("Error: check-permission missing package argument"); 21347 return; 21348 } 21349 21350 String pkg = args[opti]; 21351 opti++; 21352 int user = UserHandle.getUserId(Binder.getCallingUid()); 21353 if (opti < args.length) { 21354 try { 21355 user = Integer.parseInt(args[opti]); 21356 } catch (NumberFormatException e) { 21357 pw.println("Error: check-permission user argument is not a number: " 21358 + args[opti]); 21359 return; 21360 } 21361 } 21362 21363 // Normalize package name to handle renamed packages and static libs 21364 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 21365 21366 pw.println(checkPermission(perm, pkg, user)); 21367 return; 21368 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 21369 dumpState.setDump(DumpState.DUMP_LIBS); 21370 } else if ("f".equals(cmd) || "features".equals(cmd)) { 21371 dumpState.setDump(DumpState.DUMP_FEATURES); 21372 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 21373 if (opti >= args.length) { 21374 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 21375 | DumpState.DUMP_SERVICE_RESOLVERS 21376 | DumpState.DUMP_RECEIVER_RESOLVERS 21377 | DumpState.DUMP_CONTENT_RESOLVERS); 21378 } else { 21379 while (opti < args.length) { 21380 String name = args[opti]; 21381 if ("a".equals(name) || "activity".equals(name)) { 21382 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 21383 } else if ("s".equals(name) || "service".equals(name)) { 21384 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 21385 } else if ("r".equals(name) || "receiver".equals(name)) { 21386 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 21387 } else if ("c".equals(name) || "content".equals(name)) { 21388 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 21389 } else { 21390 pw.println("Error: unknown resolver table type: " + name); 21391 return; 21392 } 21393 opti++; 21394 } 21395 } 21396 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 21397 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 21398 } else if ("permission".equals(cmd)) { 21399 if (opti >= args.length) { 21400 pw.println("Error: permission requires permission name"); 21401 return; 21402 } 21403 permissionNames = new ArraySet<>(); 21404 while (opti < args.length) { 21405 permissionNames.add(args[opti]); 21406 opti++; 21407 } 21408 dumpState.setDump(DumpState.DUMP_PERMISSIONS 21409 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 21410 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 21411 dumpState.setDump(DumpState.DUMP_PREFERRED); 21412 } else if ("preferred-xml".equals(cmd)) { 21413 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 21414 if (opti < args.length && "--full".equals(args[opti])) { 21415 fullPreferred = true; 21416 opti++; 21417 } 21418 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 21419 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 21420 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 21421 dumpState.setDump(DumpState.DUMP_PACKAGES); 21422 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 21423 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 21424 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 21425 dumpState.setDump(DumpState.DUMP_PROVIDERS); 21426 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 21427 dumpState.setDump(DumpState.DUMP_MESSAGES); 21428 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 21429 dumpState.setDump(DumpState.DUMP_VERIFIERS); 21430 } else if ("i".equals(cmd) || "ifv".equals(cmd) 21431 || "intent-filter-verifiers".equals(cmd)) { 21432 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 21433 } else if ("version".equals(cmd)) { 21434 dumpState.setDump(DumpState.DUMP_VERSION); 21435 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 21436 dumpState.setDump(DumpState.DUMP_KEYSETS); 21437 } else if ("installs".equals(cmd)) { 21438 dumpState.setDump(DumpState.DUMP_INSTALLS); 21439 } else if ("frozen".equals(cmd)) { 21440 dumpState.setDump(DumpState.DUMP_FROZEN); 21441 } else if ("volumes".equals(cmd)) { 21442 dumpState.setDump(DumpState.DUMP_VOLUMES); 21443 } else if ("dexopt".equals(cmd)) { 21444 dumpState.setDump(DumpState.DUMP_DEXOPT); 21445 } else if ("compiler-stats".equals(cmd)) { 21446 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 21447 } else if ("changes".equals(cmd)) { 21448 dumpState.setDump(DumpState.DUMP_CHANGES); 21449 } else if ("service-permissions".equals(cmd)) { 21450 dumpState.setDump(DumpState.DUMP_SERVICE_PERMISSIONS); 21451 } else if ("write".equals(cmd)) { 21452 synchronized (mPackages) { 21453 mSettings.writeLPr(); 21454 pw.println("Settings written."); 21455 return; 21456 } 21457 } 21458 } 21459 21460 if (checkin) { 21461 pw.println("vers,1"); 21462 } 21463 21464 // reader 21465 synchronized (mPackages) { 21466 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 21467 if (!checkin) { 21468 if (dumpState.onTitlePrinted()) 21469 pw.println(); 21470 pw.println("Database versions:"); 21471 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 21472 } 21473 } 21474 21475 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 21476 if (!checkin) { 21477 if (dumpState.onTitlePrinted()) 21478 pw.println(); 21479 pw.println("Verifiers:"); 21480 pw.print(" Required: "); 21481 pw.print(mRequiredVerifierPackage); 21482 pw.print(" (uid="); 21483 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21484 UserHandle.USER_SYSTEM)); 21485 pw.println(")"); 21486 } else if (mRequiredVerifierPackage != null) { 21487 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 21488 pw.print(","); 21489 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21490 UserHandle.USER_SYSTEM)); 21491 } 21492 } 21493 21494 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 21495 packageName == null) { 21496 if (mIntentFilterVerifierComponent != null) { 21497 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21498 if (!checkin) { 21499 if (dumpState.onTitlePrinted()) 21500 pw.println(); 21501 pw.println("Intent Filter Verifier:"); 21502 pw.print(" Using: "); 21503 pw.print(verifierPackageName); 21504 pw.print(" (uid="); 21505 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21506 UserHandle.USER_SYSTEM)); 21507 pw.println(")"); 21508 } else if (verifierPackageName != null) { 21509 pw.print("ifv,"); pw.print(verifierPackageName); 21510 pw.print(","); 21511 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21512 UserHandle.USER_SYSTEM)); 21513 } 21514 } else { 21515 pw.println(); 21516 pw.println("No Intent Filter Verifier available!"); 21517 } 21518 } 21519 21520 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 21521 boolean printedHeader = false; 21522 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 21523 while (it.hasNext()) { 21524 String libName = it.next(); 21525 LongSparseArray<SharedLibraryEntry> versionedLib 21526 = mSharedLibraries.get(libName); 21527 if (versionedLib == null) { 21528 continue; 21529 } 21530 final int versionCount = versionedLib.size(); 21531 for (int i = 0; i < versionCount; i++) { 21532 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 21533 if (!checkin) { 21534 if (!printedHeader) { 21535 if (dumpState.onTitlePrinted()) 21536 pw.println(); 21537 pw.println("Libraries:"); 21538 printedHeader = true; 21539 } 21540 pw.print(" "); 21541 } else { 21542 pw.print("lib,"); 21543 } 21544 pw.print(libEntry.info.getName()); 21545 if (libEntry.info.isStatic()) { 21546 pw.print(" version=" + libEntry.info.getLongVersion()); 21547 } 21548 if (!checkin) { 21549 pw.print(" -> "); 21550 } 21551 if (libEntry.path != null) { 21552 pw.print(" (jar) "); 21553 pw.print(libEntry.path); 21554 } else { 21555 pw.print(" (apk) "); 21556 pw.print(libEntry.apk); 21557 } 21558 pw.println(); 21559 } 21560 } 21561 } 21562 21563 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 21564 if (dumpState.onTitlePrinted()) 21565 pw.println(); 21566 if (!checkin) { 21567 pw.println("Features:"); 21568 } 21569 21570 synchronized (mAvailableFeatures) { 21571 for (FeatureInfo feat : mAvailableFeatures.values()) { 21572 if (checkin) { 21573 pw.print("feat,"); 21574 pw.print(feat.name); 21575 pw.print(","); 21576 pw.println(feat.version); 21577 } else { 21578 pw.print(" "); 21579 pw.print(feat.name); 21580 if (feat.version > 0) { 21581 pw.print(" version="); 21582 pw.print(feat.version); 21583 } 21584 pw.println(); 21585 } 21586 } 21587 } 21588 } 21589 21590 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 21591 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 21592 : "Activity Resolver Table:", " ", packageName, 21593 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21594 dumpState.setTitlePrinted(true); 21595 } 21596 } 21597 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 21598 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 21599 : "Receiver Resolver Table:", " ", packageName, 21600 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21601 dumpState.setTitlePrinted(true); 21602 } 21603 } 21604 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 21605 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 21606 : "Service Resolver Table:", " ", packageName, 21607 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21608 dumpState.setTitlePrinted(true); 21609 } 21610 } 21611 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 21612 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 21613 : "Provider Resolver Table:", " ", packageName, 21614 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21615 dumpState.setTitlePrinted(true); 21616 } 21617 } 21618 21619 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 21620 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21621 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21622 int user = mSettings.mPreferredActivities.keyAt(i); 21623 if (pir.dump(pw, 21624 dumpState.getTitlePrinted() 21625 ? "\nPreferred Activities User " + user + ":" 21626 : "Preferred Activities User " + user + ":", " ", 21627 packageName, true, false)) { 21628 dumpState.setTitlePrinted(true); 21629 } 21630 } 21631 } 21632 21633 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 21634 pw.flush(); 21635 FileOutputStream fout = new FileOutputStream(fd); 21636 BufferedOutputStream str = new BufferedOutputStream(fout); 21637 XmlSerializer serializer = new FastXmlSerializer(); 21638 try { 21639 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 21640 serializer.startDocument(null, true); 21641 serializer.setFeature( 21642 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 21643 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 21644 serializer.endDocument(); 21645 serializer.flush(); 21646 } catch (IllegalArgumentException e) { 21647 pw.println("Failed writing: " + e); 21648 } catch (IllegalStateException e) { 21649 pw.println("Failed writing: " + e); 21650 } catch (IOException e) { 21651 pw.println("Failed writing: " + e); 21652 } 21653 } 21654 21655 if (!checkin 21656 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 21657 && packageName == null) { 21658 pw.println(); 21659 int count = mSettings.mPackages.size(); 21660 if (count == 0) { 21661 pw.println("No applications!"); 21662 pw.println(); 21663 } else { 21664 final String prefix = " "; 21665 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 21666 if (allPackageSettings.size() == 0) { 21667 pw.println("No domain preferred apps!"); 21668 pw.println(); 21669 } else { 21670 pw.println("App verification status:"); 21671 pw.println(); 21672 count = 0; 21673 for (PackageSetting ps : allPackageSettings) { 21674 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 21675 if (ivi == null || ivi.getPackageName() == null) continue; 21676 pw.println(prefix + "Package: " + ivi.getPackageName()); 21677 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 21678 pw.println(prefix + "Status: " + ivi.getStatusString()); 21679 pw.println(); 21680 count++; 21681 } 21682 if (count == 0) { 21683 pw.println(prefix + "No app verification established."); 21684 pw.println(); 21685 } 21686 for (int userId : sUserManager.getUserIds()) { 21687 pw.println("App linkages for user " + userId + ":"); 21688 pw.println(); 21689 count = 0; 21690 for (PackageSetting ps : allPackageSettings) { 21691 final long status = ps.getDomainVerificationStatusForUser(userId); 21692 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 21693 && !DEBUG_DOMAIN_VERIFICATION) { 21694 continue; 21695 } 21696 pw.println(prefix + "Package: " + ps.name); 21697 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 21698 String statusStr = IntentFilterVerificationInfo. 21699 getStatusStringFromValue(status); 21700 pw.println(prefix + "Status: " + statusStr); 21701 pw.println(); 21702 count++; 21703 } 21704 if (count == 0) { 21705 pw.println(prefix + "No configured app linkages."); 21706 pw.println(); 21707 } 21708 } 21709 } 21710 } 21711 } 21712 21713 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 21714 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 21715 } 21716 21717 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 21718 boolean printedSomething = false; 21719 for (PackageParser.Provider p : mProviders.mProviders.values()) { 21720 if (packageName != null && !packageName.equals(p.info.packageName)) { 21721 continue; 21722 } 21723 if (!printedSomething) { 21724 if (dumpState.onTitlePrinted()) 21725 pw.println(); 21726 pw.println("Registered ContentProviders:"); 21727 printedSomething = true; 21728 } 21729 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 21730 pw.print(" "); pw.println(p.toString()); 21731 } 21732 printedSomething = false; 21733 for (Map.Entry<String, PackageParser.Provider> entry : 21734 mProvidersByAuthority.entrySet()) { 21735 PackageParser.Provider p = entry.getValue(); 21736 if (packageName != null && !packageName.equals(p.info.packageName)) { 21737 continue; 21738 } 21739 if (!printedSomething) { 21740 if (dumpState.onTitlePrinted()) 21741 pw.println(); 21742 pw.println("ContentProvider Authorities:"); 21743 printedSomething = true; 21744 } 21745 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 21746 pw.print(" "); pw.println(p.toString()); 21747 if (p.info != null && p.info.applicationInfo != null) { 21748 final String appInfo = p.info.applicationInfo.toString(); 21749 pw.print(" applicationInfo="); pw.println(appInfo); 21750 } 21751 } 21752 } 21753 21754 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 21755 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 21756 } 21757 21758 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 21759 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 21760 } 21761 21762 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 21763 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 21764 } 21765 21766 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 21767 if (dumpState.onTitlePrinted()) pw.println(); 21768 pw.println("Package Changes:"); 21769 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 21770 final int K = mChangedPackages.size(); 21771 for (int i = 0; i < K; i++) { 21772 final SparseArray<String> changes = mChangedPackages.valueAt(i); 21773 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 21774 final int N = changes.size(); 21775 if (N == 0) { 21776 pw.print(" "); pw.println("No packages changed"); 21777 } else { 21778 for (int j = 0; j < N; j++) { 21779 final String pkgName = changes.valueAt(j); 21780 final int sequenceNumber = changes.keyAt(j); 21781 pw.print(" "); 21782 pw.print("seq="); 21783 pw.print(sequenceNumber); 21784 pw.print(", package="); 21785 pw.println(pkgName); 21786 } 21787 } 21788 } 21789 } 21790 21791 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 21792 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 21793 } 21794 21795 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 21796 // XXX should handle packageName != null by dumping only install data that 21797 // the given package is involved with. 21798 if (dumpState.onTitlePrinted()) pw.println(); 21799 21800 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21801 ipw.println(); 21802 ipw.println("Frozen packages:"); 21803 ipw.increaseIndent(); 21804 if (mFrozenPackages.size() == 0) { 21805 ipw.println("(none)"); 21806 } else { 21807 for (int i = 0; i < mFrozenPackages.size(); i++) { 21808 ipw.println(mFrozenPackages.valueAt(i)); 21809 } 21810 } 21811 ipw.decreaseIndent(); 21812 } 21813 21814 if (!checkin && dumpState.isDumping(DumpState.DUMP_VOLUMES) && packageName == null) { 21815 if (dumpState.onTitlePrinted()) pw.println(); 21816 21817 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21818 ipw.println(); 21819 ipw.println("Loaded volumes:"); 21820 ipw.increaseIndent(); 21821 if (mLoadedVolumes.size() == 0) { 21822 ipw.println("(none)"); 21823 } else { 21824 for (int i = 0; i < mLoadedVolumes.size(); i++) { 21825 ipw.println(mLoadedVolumes.valueAt(i)); 21826 } 21827 } 21828 ipw.decreaseIndent(); 21829 } 21830 21831 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_PERMISSIONS) 21832 && packageName == null) { 21833 if (dumpState.onTitlePrinted()) pw.println(); 21834 pw.println("Service permissions:"); 21835 21836 final Iterator<ServiceIntentInfo> filterIterator = mServices.filterIterator(); 21837 while (filterIterator.hasNext()) { 21838 final ServiceIntentInfo info = filterIterator.next(); 21839 final ServiceInfo serviceInfo = info.service.info; 21840 final String permission = serviceInfo.permission; 21841 if (permission != null) { 21842 pw.print(" "); 21843 pw.print(serviceInfo.getComponentName().flattenToShortString()); 21844 pw.print(": "); 21845 pw.println(permission); 21846 } 21847 } 21848 } 21849 21850 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 21851 if (dumpState.onTitlePrinted()) pw.println(); 21852 dumpDexoptStateLPr(pw, packageName); 21853 } 21854 21855 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 21856 if (dumpState.onTitlePrinted()) pw.println(); 21857 dumpCompilerStatsLPr(pw, packageName); 21858 } 21859 21860 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 21861 if (dumpState.onTitlePrinted()) pw.println(); 21862 mSettings.dumpReadMessagesLPr(pw, dumpState); 21863 21864 pw.println(); 21865 pw.println("Package warning messages:"); 21866 dumpCriticalInfo(pw, null); 21867 } 21868 21869 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 21870 dumpCriticalInfo(pw, "msg,"); 21871 } 21872 } 21873 21874 // PackageInstaller should be called outside of mPackages lock 21875 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 21876 // XXX should handle packageName != null by dumping only install data that 21877 // the given package is involved with. 21878 if (dumpState.onTitlePrinted()) pw.println(); 21879 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 21880 } 21881 } 21882 21883 private void dumpProto(FileDescriptor fd) { 21884 final ProtoOutputStream proto = new ProtoOutputStream(fd); 21885 21886 synchronized (mPackages) { 21887 final long requiredVerifierPackageToken = 21888 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 21889 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 21890 proto.write( 21891 PackageServiceDumpProto.PackageShortProto.UID, 21892 getPackageUid( 21893 mRequiredVerifierPackage, 21894 MATCH_DEBUG_TRIAGED_MISSING, 21895 UserHandle.USER_SYSTEM)); 21896 proto.end(requiredVerifierPackageToken); 21897 21898 if (mIntentFilterVerifierComponent != null) { 21899 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21900 final long verifierPackageToken = 21901 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 21902 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 21903 proto.write( 21904 PackageServiceDumpProto.PackageShortProto.UID, 21905 getPackageUid( 21906 verifierPackageName, 21907 MATCH_DEBUG_TRIAGED_MISSING, 21908 UserHandle.USER_SYSTEM)); 21909 proto.end(verifierPackageToken); 21910 } 21911 21912 dumpSharedLibrariesProto(proto); 21913 dumpFeaturesProto(proto); 21914 mSettings.dumpPackagesProto(proto); 21915 mSettings.dumpSharedUsersProto(proto); 21916 dumpCriticalInfo(proto); 21917 } 21918 proto.flush(); 21919 } 21920 21921 private void dumpFeaturesProto(ProtoOutputStream proto) { 21922 synchronized (mAvailableFeatures) { 21923 final int count = mAvailableFeatures.size(); 21924 for (int i = 0; i < count; i++) { 21925 mAvailableFeatures.valueAt(i).writeToProto(proto, PackageServiceDumpProto.FEATURES); 21926 } 21927 } 21928 } 21929 21930 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 21931 final int count = mSharedLibraries.size(); 21932 for (int i = 0; i < count; i++) { 21933 final String libName = mSharedLibraries.keyAt(i); 21934 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21935 if (versionedLib == null) { 21936 continue; 21937 } 21938 final int versionCount = versionedLib.size(); 21939 for (int j = 0; j < versionCount; j++) { 21940 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 21941 final long sharedLibraryToken = 21942 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 21943 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 21944 final boolean isJar = (libEntry.path != null); 21945 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 21946 if (isJar) { 21947 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 21948 } else { 21949 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 21950 } 21951 proto.end(sharedLibraryToken); 21952 } 21953 } 21954 } 21955 21956 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 21957 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21958 ipw.println(); 21959 ipw.println("Dexopt state:"); 21960 ipw.increaseIndent(); 21961 Collection<PackageParser.Package> packages = null; 21962 if (packageName != null) { 21963 PackageParser.Package targetPackage = mPackages.get(packageName); 21964 if (targetPackage != null) { 21965 packages = Collections.singletonList(targetPackage); 21966 } else { 21967 ipw.println("Unable to find package: " + packageName); 21968 return; 21969 } 21970 } else { 21971 packages = mPackages.values(); 21972 } 21973 21974 for (PackageParser.Package pkg : packages) { 21975 ipw.println("[" + pkg.packageName + "]"); 21976 ipw.increaseIndent(); 21977 mPackageDexOptimizer.dumpDexoptState(ipw, pkg, 21978 mDexManager.getPackageUseInfoOrDefault(pkg.packageName)); 21979 ipw.decreaseIndent(); 21980 } 21981 } 21982 21983 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 21984 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21985 ipw.println(); 21986 ipw.println("Compiler stats:"); 21987 ipw.increaseIndent(); 21988 Collection<PackageParser.Package> packages = null; 21989 if (packageName != null) { 21990 PackageParser.Package targetPackage = mPackages.get(packageName); 21991 if (targetPackage != null) { 21992 packages = Collections.singletonList(targetPackage); 21993 } else { 21994 ipw.println("Unable to find package: " + packageName); 21995 return; 21996 } 21997 } else { 21998 packages = mPackages.values(); 21999 } 22000 22001 for (PackageParser.Package pkg : packages) { 22002 ipw.println("[" + pkg.packageName + "]"); 22003 ipw.increaseIndent(); 22004 22005 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 22006 if (stats == null) { 22007 ipw.println("(No recorded stats)"); 22008 } else { 22009 stats.dump(ipw); 22010 } 22011 ipw.decreaseIndent(); 22012 } 22013 } 22014 22015 private String dumpDomainString(String packageName) { 22016 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 22017 .getList(); 22018 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 22019 22020 ArraySet<String> result = new ArraySet<>(); 22021 if (iviList.size() > 0) { 22022 for (IntentFilterVerificationInfo ivi : iviList) { 22023 for (String host : ivi.getDomains()) { 22024 result.add(host); 22025 } 22026 } 22027 } 22028 if (filters != null && filters.size() > 0) { 22029 for (IntentFilter filter : filters) { 22030 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 22031 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 22032 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 22033 result.addAll(filter.getHostsList()); 22034 } 22035 } 22036 } 22037 22038 StringBuilder sb = new StringBuilder(result.size() * 16); 22039 for (String domain : result) { 22040 if (sb.length() > 0) sb.append(" "); 22041 sb.append(domain); 22042 } 22043 return sb.toString(); 22044 } 22045 22046 // ------- apps on sdcard specific code ------- 22047 static final boolean DEBUG_SD_INSTALL = false; 22048 22049 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 22050 22051 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 22052 22053 private boolean mMediaMounted = false; 22054 22055 static String getEncryptKey() { 22056 try { 22057 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 22058 SD_ENCRYPTION_KEYSTORE_NAME); 22059 if (sdEncKey == null) { 22060 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 22061 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 22062 if (sdEncKey == null) { 22063 Slog.e(TAG, "Failed to create encryption keys"); 22064 return null; 22065 } 22066 } 22067 return sdEncKey; 22068 } catch (NoSuchAlgorithmException nsae) { 22069 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 22070 return null; 22071 } catch (IOException ioe) { 22072 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 22073 return null; 22074 } 22075 } 22076 22077 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22078 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 22079 final int size = infos.size(); 22080 final String[] packageNames = new String[size]; 22081 final int[] packageUids = new int[size]; 22082 for (int i = 0; i < size; i++) { 22083 final ApplicationInfo info = infos.get(i); 22084 packageNames[i] = info.packageName; 22085 packageUids[i] = info.uid; 22086 } 22087 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 22088 finishedReceiver); 22089 } 22090 22091 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22092 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22093 sendResourcesChangedBroadcast(mediaStatus, replacing, 22094 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 22095 } 22096 22097 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22098 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22099 int size = pkgList.length; 22100 if (size > 0) { 22101 // Send broadcasts here 22102 Bundle extras = new Bundle(); 22103 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 22104 if (uidArr != null) { 22105 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 22106 } 22107 if (replacing) { 22108 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 22109 } 22110 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 22111 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 22112 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null, null); 22113 } 22114 } 22115 22116 private void loadPrivatePackages(final VolumeInfo vol) { 22117 mHandler.post(new Runnable() { 22118 @Override 22119 public void run() { 22120 loadPrivatePackagesInner(vol); 22121 } 22122 }); 22123 } 22124 22125 private void loadPrivatePackagesInner(VolumeInfo vol) { 22126 final String volumeUuid = vol.fsUuid; 22127 if (TextUtils.isEmpty(volumeUuid)) { 22128 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 22129 return; 22130 } 22131 22132 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 22133 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 22134 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 22135 22136 final VersionInfo ver; 22137 final List<PackageSetting> packages; 22138 synchronized (mPackages) { 22139 ver = mSettings.findOrCreateVersion(volumeUuid); 22140 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22141 } 22142 22143 for (PackageSetting ps : packages) { 22144 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 22145 synchronized (mInstallLock) { 22146 final PackageParser.Package pkg; 22147 try { 22148 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 22149 loaded.add(pkg.applicationInfo); 22150 22151 } catch (PackageManagerException e) { 22152 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 22153 } 22154 22155 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 22156 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 22157 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 22158 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 22159 } 22160 } 22161 } 22162 22163 // Reconcile app data for all started/unlocked users 22164 final StorageManager sm = mContext.getSystemService(StorageManager.class); 22165 final UserManager um = mContext.getSystemService(UserManager.class); 22166 UserManagerInternal umInternal = getUserManagerInternal(); 22167 for (UserInfo user : um.getUsers()) { 22168 final int flags; 22169 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22170 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22171 } else if (umInternal.isUserRunning(user.id)) { 22172 flags = StorageManager.FLAG_STORAGE_DE; 22173 } else { 22174 continue; 22175 } 22176 22177 try { 22178 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 22179 synchronized (mInstallLock) { 22180 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 22181 } 22182 } catch (IllegalStateException e) { 22183 // Device was probably ejected, and we'll process that event momentarily 22184 Slog.w(TAG, "Failed to prepare storage: " + e); 22185 } 22186 } 22187 22188 synchronized (mPackages) { 22189 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 22190 if (sdkUpdated) { 22191 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 22192 + mSdkVersion + "; regranting permissions for " + volumeUuid); 22193 } 22194 mPermissionManager.updateAllPermissions(volumeUuid, sdkUpdated, mPackages.values(), 22195 mPermissionCallback); 22196 22197 // Yay, everything is now upgraded 22198 ver.forceCurrent(); 22199 22200 mSettings.writeLPr(); 22201 } 22202 22203 for (PackageFreezer freezer : freezers) { 22204 freezer.close(); 22205 } 22206 22207 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 22208 sendResourcesChangedBroadcast(true, false, loaded, null); 22209 mLoadedVolumes.add(vol.getId()); 22210 } 22211 22212 private void unloadPrivatePackages(final VolumeInfo vol) { 22213 mHandler.post(new Runnable() { 22214 @Override 22215 public void run() { 22216 unloadPrivatePackagesInner(vol); 22217 } 22218 }); 22219 } 22220 22221 private void unloadPrivatePackagesInner(VolumeInfo vol) { 22222 final String volumeUuid = vol.fsUuid; 22223 if (TextUtils.isEmpty(volumeUuid)) { 22224 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 22225 return; 22226 } 22227 22228 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 22229 synchronized (mInstallLock) { 22230 synchronized (mPackages) { 22231 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 22232 for (PackageSetting ps : packages) { 22233 if (ps.pkg == null) continue; 22234 22235 final ApplicationInfo info = ps.pkg.applicationInfo; 22236 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 22237 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 22238 22239 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 22240 "unloadPrivatePackagesInner")) { 22241 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 22242 false, null)) { 22243 unloaded.add(info); 22244 } else { 22245 Slog.w(TAG, "Failed to unload " + ps.codePath); 22246 } 22247 } 22248 22249 // Try very hard to release any references to this package 22250 // so we don't risk the system server being killed due to 22251 // open FDs 22252 AttributeCache.instance().removePackage(ps.name); 22253 } 22254 22255 mSettings.writeLPr(); 22256 } 22257 } 22258 22259 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 22260 sendResourcesChangedBroadcast(false, false, unloaded, null); 22261 mLoadedVolumes.remove(vol.getId()); 22262 22263 // Try very hard to release any references to this path so we don't risk 22264 // the system server being killed due to open FDs 22265 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 22266 22267 for (int i = 0; i < 3; i++) { 22268 System.gc(); 22269 System.runFinalization(); 22270 } 22271 } 22272 22273 private void assertPackageKnown(String volumeUuid, String packageName) 22274 throws PackageManagerException { 22275 synchronized (mPackages) { 22276 // Normalize package name to handle renamed packages 22277 packageName = normalizePackageNameLPr(packageName); 22278 22279 final PackageSetting ps = mSettings.mPackages.get(packageName); 22280 if (ps == null) { 22281 throw new PackageManagerException("Package " + packageName + " is unknown"); 22282 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 22283 throw new PackageManagerException( 22284 "Package " + packageName + " found on unknown volume " + volumeUuid 22285 + "; expected volume " + ps.volumeUuid); 22286 } 22287 } 22288 } 22289 22290 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 22291 throws PackageManagerException { 22292 synchronized (mPackages) { 22293 // Normalize package name to handle renamed packages 22294 packageName = normalizePackageNameLPr(packageName); 22295 22296 final PackageSetting ps = mSettings.mPackages.get(packageName); 22297 if (ps == null) { 22298 throw new PackageManagerException("Package " + packageName + " is unknown"); 22299 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 22300 throw new PackageManagerException( 22301 "Package " + packageName + " found on unknown volume " + volumeUuid 22302 + "; expected volume " + ps.volumeUuid); 22303 } else if (!ps.getInstalled(userId)) { 22304 throw new PackageManagerException( 22305 "Package " + packageName + " not installed for user " + userId); 22306 } 22307 } 22308 } 22309 22310 private List<String> collectAbsoluteCodePaths() { 22311 synchronized (mPackages) { 22312 List<String> codePaths = new ArrayList<>(); 22313 final int packageCount = mSettings.mPackages.size(); 22314 for (int i = 0; i < packageCount; i++) { 22315 final PackageSetting ps = mSettings.mPackages.valueAt(i); 22316 codePaths.add(ps.codePath.getAbsolutePath()); 22317 } 22318 return codePaths; 22319 } 22320 } 22321 22322 /** 22323 * Examine all apps present on given mounted volume, and destroy apps that 22324 * aren't expected, either due to uninstallation or reinstallation on 22325 * another volume. 22326 */ 22327 private void reconcileApps(String volumeUuid) { 22328 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 22329 List<File> filesToDelete = null; 22330 22331 final File[] files = FileUtils.listFilesOrEmpty( 22332 Environment.getDataAppDirectory(volumeUuid)); 22333 for (File file : files) { 22334 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 22335 && !PackageInstallerService.isStageName(file.getName()); 22336 if (!isPackage) { 22337 // Ignore entries which are not packages 22338 continue; 22339 } 22340 22341 String absolutePath = file.getAbsolutePath(); 22342 22343 boolean pathValid = false; 22344 final int absoluteCodePathCount = absoluteCodePaths.size(); 22345 for (int i = 0; i < absoluteCodePathCount; i++) { 22346 String absoluteCodePath = absoluteCodePaths.get(i); 22347 if (absolutePath.startsWith(absoluteCodePath)) { 22348 pathValid = true; 22349 break; 22350 } 22351 } 22352 22353 if (!pathValid) { 22354 if (filesToDelete == null) { 22355 filesToDelete = new ArrayList<>(); 22356 } 22357 filesToDelete.add(file); 22358 } 22359 } 22360 22361 if (filesToDelete != null) { 22362 final int fileToDeleteCount = filesToDelete.size(); 22363 for (int i = 0; i < fileToDeleteCount; i++) { 22364 File fileToDelete = filesToDelete.get(i); 22365 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 22366 synchronized (mInstallLock) { 22367 removeCodePathLI(fileToDelete); 22368 } 22369 } 22370 } 22371 } 22372 22373 /** 22374 * Reconcile all app data for the given user. 22375 * <p> 22376 * Verifies that directories exist and that ownership and labeling is 22377 * correct for all installed apps on all mounted volumes. 22378 */ 22379 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 22380 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22381 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 22382 final String volumeUuid = vol.getFsUuid(); 22383 synchronized (mInstallLock) { 22384 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 22385 } 22386 } 22387 } 22388 22389 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22390 boolean migrateAppData) { 22391 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 22392 } 22393 22394 /** 22395 * Reconcile all app data on given mounted volume. 22396 * <p> 22397 * Destroys app data that isn't expected, either due to uninstallation or 22398 * reinstallation on another volume. 22399 * <p> 22400 * Verifies that directories exist and that ownership and labeling is 22401 * correct for all installed apps. 22402 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 22403 */ 22404 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22405 boolean migrateAppData, boolean onlyCoreApps) { 22406 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 22407 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 22408 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 22409 22410 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 22411 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 22412 22413 // First look for stale data that doesn't belong, and check if things 22414 // have changed since we did our last restorecon 22415 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22416 if (StorageManager.isFileEncryptedNativeOrEmulated() 22417 && !StorageManager.isUserKeyUnlocked(userId)) { 22418 throw new RuntimeException( 22419 "Yikes, someone asked us to reconcile CE storage while " + userId 22420 + " was still locked; this would have caused massive data loss!"); 22421 } 22422 22423 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 22424 for (File file : files) { 22425 final String packageName = file.getName(); 22426 try { 22427 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22428 } catch (PackageManagerException e) { 22429 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22430 try { 22431 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22432 StorageManager.FLAG_STORAGE_CE, 0); 22433 } catch (InstallerException e2) { 22434 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22435 } 22436 } 22437 } 22438 } 22439 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 22440 final File[] files = FileUtils.listFilesOrEmpty(deDir); 22441 for (File file : files) { 22442 final String packageName = file.getName(); 22443 try { 22444 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22445 } catch (PackageManagerException e) { 22446 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22447 try { 22448 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22449 StorageManager.FLAG_STORAGE_DE, 0); 22450 } catch (InstallerException e2) { 22451 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22452 } 22453 } 22454 } 22455 } 22456 22457 // Ensure that data directories are ready to roll for all packages 22458 // installed for this volume and user 22459 final List<PackageSetting> packages; 22460 synchronized (mPackages) { 22461 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22462 } 22463 int preparedCount = 0; 22464 for (PackageSetting ps : packages) { 22465 final String packageName = ps.name; 22466 if (ps.pkg == null) { 22467 Slog.w(TAG, "Odd, missing scanned package " + packageName); 22468 // TODO: might be due to legacy ASEC apps; we should circle back 22469 // and reconcile again once they're scanned 22470 continue; 22471 } 22472 // Skip non-core apps if requested 22473 if (onlyCoreApps && !ps.pkg.coreApp) { 22474 result.add(packageName); 22475 continue; 22476 } 22477 22478 if (ps.getInstalled(userId)) { 22479 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 22480 preparedCount++; 22481 } 22482 } 22483 22484 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 22485 return result; 22486 } 22487 22488 /** 22489 * Prepare app data for the given app just after it was installed or 22490 * upgraded. This method carefully only touches users that it's installed 22491 * for, and it forces a restorecon to handle any seinfo changes. 22492 * <p> 22493 * Verifies that directories exist and that ownership and labeling is 22494 * correct for all installed apps. If there is an ownership mismatch, it 22495 * will try recovering system apps by wiping data; third-party app data is 22496 * left intact. 22497 * <p> 22498 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 22499 */ 22500 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 22501 final PackageSetting ps; 22502 synchronized (mPackages) { 22503 ps = mSettings.mPackages.get(pkg.packageName); 22504 mSettings.writeKernelMappingLPr(ps); 22505 } 22506 22507 final UserManager um = mContext.getSystemService(UserManager.class); 22508 UserManagerInternal umInternal = getUserManagerInternal(); 22509 for (UserInfo user : um.getUsers()) { 22510 final int flags; 22511 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22512 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22513 } else if (umInternal.isUserRunning(user.id)) { 22514 flags = StorageManager.FLAG_STORAGE_DE; 22515 } else { 22516 continue; 22517 } 22518 22519 if (ps.getInstalled(user.id)) { 22520 // TODO: when user data is locked, mark that we're still dirty 22521 prepareAppDataLIF(pkg, user.id, flags); 22522 } 22523 } 22524 } 22525 22526 /** 22527 * Prepare app data for the given app. 22528 * <p> 22529 * Verifies that directories exist and that ownership and labeling is 22530 * correct for all installed apps. If there is an ownership mismatch, this 22531 * will try recovering system apps by wiping data; third-party app data is 22532 * left intact. 22533 */ 22534 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 22535 if (pkg == null) { 22536 Slog.wtf(TAG, "Package was null!", new Throwable()); 22537 return; 22538 } 22539 prepareAppDataLeafLIF(pkg, userId, flags); 22540 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 22541 for (int i = 0; i < childCount; i++) { 22542 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 22543 } 22544 } 22545 22546 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 22547 boolean maybeMigrateAppData) { 22548 prepareAppDataLIF(pkg, userId, flags); 22549 22550 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 22551 // We may have just shuffled around app data directories, so 22552 // prepare them one more time 22553 prepareAppDataLIF(pkg, userId, flags); 22554 } 22555 } 22556 22557 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 22558 if (DEBUG_APP_DATA) { 22559 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 22560 + Integer.toHexString(flags)); 22561 } 22562 22563 final PackageSetting ps; 22564 synchronized (mPackages) { 22565 ps = mSettings.mPackages.get(pkg.packageName); 22566 } 22567 final String volumeUuid = pkg.volumeUuid; 22568 final String packageName = pkg.packageName; 22569 22570 ApplicationInfo app = (ps == null) 22571 ? pkg.applicationInfo 22572 : PackageParser.generateApplicationInfo(pkg, 0, ps.readUserState(userId), userId); 22573 if (app == null) { 22574 app = pkg.applicationInfo; 22575 } 22576 22577 final int appId = UserHandle.getAppId(app.uid); 22578 22579 Preconditions.checkNotNull(app.seInfo); 22580 22581 final String seInfo = app.seInfo + (app.seInfoUser != null ? app.seInfoUser : ""); 22582 long ceDataInode = -1; 22583 try { 22584 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 22585 appId, seInfo, app.targetSdkVersion); 22586 } catch (InstallerException e) { 22587 if (app.isSystemApp()) { 22588 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 22589 + ", but trying to recover: " + e); 22590 destroyAppDataLeafLIF(pkg, userId, flags); 22591 try { 22592 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 22593 appId, seInfo, app.targetSdkVersion); 22594 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 22595 } catch (InstallerException e2) { 22596 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 22597 } 22598 } else { 22599 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 22600 } 22601 } 22602 // Prepare the application profiles only for upgrades and first boot (so that we don't 22603 // repeat the same operation at each boot). 22604 // We only have to cover the upgrade and first boot here because for app installs we 22605 // prepare the profiles before invoking dexopt (in installPackageLI). 22606 // 22607 // We also have to cover non system users because we do not call the usual install package 22608 // methods for them. 22609 if (mIsUpgrade || mFirstBoot || (userId != UserHandle.USER_SYSTEM)) { 22610 mArtManagerService.prepareAppProfiles(pkg, userId); 22611 } 22612 22613 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 22614 // TODO: mark this structure as dirty so we persist it! 22615 synchronized (mPackages) { 22616 if (ps != null) { 22617 ps.setCeDataInode(ceDataInode, userId); 22618 } 22619 } 22620 } 22621 22622 prepareAppDataContentsLeafLIF(pkg, userId, flags); 22623 } 22624 22625 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 22626 if (pkg == null) { 22627 Slog.wtf(TAG, "Package was null!", new Throwable()); 22628 return; 22629 } 22630 prepareAppDataContentsLeafLIF(pkg, userId, flags); 22631 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 22632 for (int i = 0; i < childCount; i++) { 22633 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 22634 } 22635 } 22636 22637 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 22638 final String volumeUuid = pkg.volumeUuid; 22639 final String packageName = pkg.packageName; 22640 final ApplicationInfo app = pkg.applicationInfo; 22641 22642 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22643 // Create a native library symlink only if we have native libraries 22644 // and if the native libraries are 32 bit libraries. We do not provide 22645 // this symlink for 64 bit libraries. 22646 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 22647 final String nativeLibPath = app.nativeLibraryDir; 22648 try { 22649 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 22650 nativeLibPath, userId); 22651 } catch (InstallerException e) { 22652 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 22653 } 22654 } 22655 } 22656 } 22657 22658 /** 22659 * For system apps on non-FBE devices, this method migrates any existing 22660 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 22661 * requested by the app. 22662 */ 22663 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 22664 if (pkg.isSystem() && !StorageManager.isFileEncryptedNativeOrEmulated() 22665 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 22666 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 22667 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 22668 try { 22669 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 22670 storageTarget); 22671 } catch (InstallerException e) { 22672 logCriticalInfo(Log.WARN, 22673 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 22674 } 22675 return true; 22676 } else { 22677 return false; 22678 } 22679 } 22680 22681 public PackageFreezer freezePackage(String packageName, String killReason) { 22682 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 22683 } 22684 22685 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22686 return new PackageFreezer(packageName, userId, killReason); 22687 } 22688 22689 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22690 String killReason) { 22691 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22692 } 22693 22694 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22695 String killReason) { 22696 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22697 return new PackageFreezer(); 22698 } else { 22699 return freezePackage(packageName, userId, killReason); 22700 } 22701 } 22702 22703 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22704 String killReason) { 22705 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22706 } 22707 22708 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22709 String killReason) { 22710 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22711 return new PackageFreezer(); 22712 } else { 22713 return freezePackage(packageName, userId, killReason); 22714 } 22715 } 22716 22717 /** 22718 * Class that freezes and kills the given package upon creation, and 22719 * unfreezes it upon closing. This is typically used when doing surgery on 22720 * app code/data to prevent the app from running while you're working. 22721 */ 22722 private class PackageFreezer implements AutoCloseable { 22723 private final String mPackageName; 22724 private final PackageFreezer[] mChildren; 22725 22726 private final boolean mWeFroze; 22727 22728 private final AtomicBoolean mClosed = new AtomicBoolean(); 22729 private final CloseGuard mCloseGuard = CloseGuard.get(); 22730 22731 /** 22732 * Create and return a stub freezer that doesn't actually do anything, 22733 * typically used when someone requested 22734 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22735 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22736 */ 22737 public PackageFreezer() { 22738 mPackageName = null; 22739 mChildren = null; 22740 mWeFroze = false; 22741 mCloseGuard.open("close"); 22742 } 22743 22744 public PackageFreezer(String packageName, int userId, String killReason) { 22745 synchronized (mPackages) { 22746 mPackageName = packageName; 22747 mWeFroze = mFrozenPackages.add(mPackageName); 22748 22749 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22750 if (ps != null) { 22751 killApplication(ps.name, ps.appId, userId, killReason); 22752 } 22753 22754 final PackageParser.Package p = mPackages.get(packageName); 22755 if (p != null && p.childPackages != null) { 22756 final int N = p.childPackages.size(); 22757 mChildren = new PackageFreezer[N]; 22758 for (int i = 0; i < N; i++) { 22759 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22760 userId, killReason); 22761 } 22762 } else { 22763 mChildren = null; 22764 } 22765 } 22766 mCloseGuard.open("close"); 22767 } 22768 22769 @Override 22770 protected void finalize() throws Throwable { 22771 try { 22772 if (mCloseGuard != null) { 22773 mCloseGuard.warnIfOpen(); 22774 } 22775 22776 close(); 22777 } finally { 22778 super.finalize(); 22779 } 22780 } 22781 22782 @Override 22783 public void close() { 22784 mCloseGuard.close(); 22785 if (mClosed.compareAndSet(false, true)) { 22786 synchronized (mPackages) { 22787 if (mWeFroze) { 22788 mFrozenPackages.remove(mPackageName); 22789 } 22790 22791 if (mChildren != null) { 22792 for (PackageFreezer freezer : mChildren) { 22793 freezer.close(); 22794 } 22795 } 22796 } 22797 } 22798 } 22799 } 22800 22801 /** 22802 * Verify that given package is currently frozen. 22803 */ 22804 private void checkPackageFrozen(String packageName) { 22805 synchronized (mPackages) { 22806 if (!mFrozenPackages.contains(packageName)) { 22807 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22808 } 22809 } 22810 } 22811 22812 @Override 22813 public int movePackage(final String packageName, final String volumeUuid) { 22814 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22815 22816 final int callingUid = Binder.getCallingUid(); 22817 final UserHandle user = new UserHandle(UserHandle.getUserId(callingUid)); 22818 final int moveId = mNextMoveId.getAndIncrement(); 22819 mHandler.post(new Runnable() { 22820 @Override 22821 public void run() { 22822 try { 22823 movePackageInternal(packageName, volumeUuid, moveId, callingUid, user); 22824 } catch (PackageManagerException e) { 22825 Slog.w(TAG, "Failed to move " + packageName, e); 22826 mMoveCallbacks.notifyStatusChanged(moveId, e.error); 22827 } 22828 } 22829 }); 22830 return moveId; 22831 } 22832 22833 private void movePackageInternal(final String packageName, final String volumeUuid, 22834 final int moveId, final int callingUid, UserHandle user) 22835 throws PackageManagerException { 22836 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22837 final PackageManager pm = mContext.getPackageManager(); 22838 22839 final boolean currentAsec; 22840 final String currentVolumeUuid; 22841 final File codeFile; 22842 final String installerPackageName; 22843 final String packageAbiOverride; 22844 final int appId; 22845 final String seinfo; 22846 final String label; 22847 final int targetSdkVersion; 22848 final PackageFreezer freezer; 22849 final int[] installedUserIds; 22850 22851 // reader 22852 synchronized (mPackages) { 22853 final PackageParser.Package pkg = mPackages.get(packageName); 22854 final PackageSetting ps = mSettings.mPackages.get(packageName); 22855 if (pkg == null 22856 || ps == null 22857 || filterAppAccessLPr(ps, callingUid, user.getIdentifier())) { 22858 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22859 } 22860 if (pkg.applicationInfo.isSystemApp()) { 22861 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22862 "Cannot move system application"); 22863 } 22864 22865 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22866 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22867 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22868 if (isInternalStorage && !allow3rdPartyOnInternal) { 22869 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22870 "3rd party apps are not allowed on internal storage"); 22871 } 22872 22873 if (pkg.applicationInfo.isExternalAsec()) { 22874 currentAsec = true; 22875 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22876 } else if (pkg.applicationInfo.isForwardLocked()) { 22877 currentAsec = true; 22878 currentVolumeUuid = "forward_locked"; 22879 } else { 22880 currentAsec = false; 22881 currentVolumeUuid = ps.volumeUuid; 22882 22883 final File probe = new File(pkg.codePath); 22884 final File probeOat = new File(probe, "oat"); 22885 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22886 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22887 "Move only supported for modern cluster style installs"); 22888 } 22889 } 22890 22891 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22892 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22893 "Package already moved to " + volumeUuid); 22894 } 22895 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22896 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22897 "Device admin cannot be moved"); 22898 } 22899 22900 if (mFrozenPackages.contains(packageName)) { 22901 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22902 "Failed to move already frozen package"); 22903 } 22904 22905 codeFile = new File(pkg.codePath); 22906 installerPackageName = ps.installerPackageName; 22907 packageAbiOverride = ps.cpuAbiOverrideString; 22908 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22909 seinfo = pkg.applicationInfo.seInfo; 22910 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22911 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22912 freezer = freezePackage(packageName, "movePackageInternal"); 22913 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22914 } 22915 22916 final Bundle extras = new Bundle(); 22917 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22918 extras.putString(Intent.EXTRA_TITLE, label); 22919 mMoveCallbacks.notifyCreated(moveId, extras); 22920 22921 int installFlags; 22922 final boolean moveCompleteApp; 22923 final File measurePath; 22924 22925 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22926 installFlags = INSTALL_INTERNAL; 22927 moveCompleteApp = !currentAsec; 22928 measurePath = Environment.getDataAppDirectory(volumeUuid); 22929 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22930 installFlags = INSTALL_EXTERNAL; 22931 moveCompleteApp = false; 22932 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22933 } else { 22934 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22935 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22936 || !volume.isMountedWritable()) { 22937 freezer.close(); 22938 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22939 "Move location not mounted private volume"); 22940 } 22941 22942 Preconditions.checkState(!currentAsec); 22943 22944 installFlags = INSTALL_INTERNAL; 22945 moveCompleteApp = true; 22946 measurePath = Environment.getDataAppDirectory(volumeUuid); 22947 } 22948 22949 // If we're moving app data around, we need all the users unlocked 22950 if (moveCompleteApp) { 22951 for (int userId : installedUserIds) { 22952 if (StorageManager.isFileEncryptedNativeOrEmulated() 22953 && !StorageManager.isUserKeyUnlocked(userId)) { 22954 throw new PackageManagerException(MOVE_FAILED_LOCKED_USER, 22955 "User " + userId + " must be unlocked"); 22956 } 22957 } 22958 } 22959 22960 final PackageStats stats = new PackageStats(null, -1); 22961 synchronized (mInstaller) { 22962 for (int userId : installedUserIds) { 22963 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22964 freezer.close(); 22965 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22966 "Failed to measure package size"); 22967 } 22968 } 22969 } 22970 22971 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22972 + stats.dataSize); 22973 22974 final long startFreeBytes = measurePath.getUsableSpace(); 22975 final long sizeBytes; 22976 if (moveCompleteApp) { 22977 sizeBytes = stats.codeSize + stats.dataSize; 22978 } else { 22979 sizeBytes = stats.codeSize; 22980 } 22981 22982 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22983 freezer.close(); 22984 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22985 "Not enough free space to move"); 22986 } 22987 22988 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22989 22990 final CountDownLatch installedLatch = new CountDownLatch(1); 22991 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22992 @Override 22993 public void onUserActionRequired(Intent intent) throws RemoteException { 22994 throw new IllegalStateException(); 22995 } 22996 22997 @Override 22998 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22999 Bundle extras) throws RemoteException { 23000 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 23001 + PackageManager.installStatusToString(returnCode, msg)); 23002 23003 installedLatch.countDown(); 23004 freezer.close(); 23005 23006 final int status = PackageManager.installStatusToPublicStatus(returnCode); 23007 switch (status) { 23008 case PackageInstaller.STATUS_SUCCESS: 23009 mMoveCallbacks.notifyStatusChanged(moveId, 23010 PackageManager.MOVE_SUCCEEDED); 23011 break; 23012 case PackageInstaller.STATUS_FAILURE_STORAGE: 23013 mMoveCallbacks.notifyStatusChanged(moveId, 23014 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 23015 break; 23016 default: 23017 mMoveCallbacks.notifyStatusChanged(moveId, 23018 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 23019 break; 23020 } 23021 } 23022 }; 23023 23024 final MoveInfo move; 23025 if (moveCompleteApp) { 23026 // Kick off a thread to report progress estimates 23027 new Thread() { 23028 @Override 23029 public void run() { 23030 while (true) { 23031 try { 23032 if (installedLatch.await(1, TimeUnit.SECONDS)) { 23033 break; 23034 } 23035 } catch (InterruptedException ignored) { 23036 } 23037 23038 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 23039 final int progress = 10 + (int) MathUtils.constrain( 23040 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 23041 mMoveCallbacks.notifyStatusChanged(moveId, progress); 23042 } 23043 } 23044 }.start(); 23045 23046 final String dataAppName = codeFile.getName(); 23047 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 23048 dataAppName, appId, seinfo, targetSdkVersion); 23049 } else { 23050 move = null; 23051 } 23052 23053 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 23054 23055 final Message msg = mHandler.obtainMessage(INIT_COPY); 23056 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 23057 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 23058 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 23059 packageAbiOverride, null /*grantedPermissions*/, 23060 PackageParser.SigningDetails.UNKNOWN, PackageManager.INSTALL_REASON_UNKNOWN); 23061 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 23062 msg.obj = params; 23063 23064 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 23065 System.identityHashCode(msg.obj)); 23066 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 23067 System.identityHashCode(msg.obj)); 23068 23069 mHandler.sendMessage(msg); 23070 } 23071 23072 @Override 23073 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 23074 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 23075 23076 final int realMoveId = mNextMoveId.getAndIncrement(); 23077 final Bundle extras = new Bundle(); 23078 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 23079 mMoveCallbacks.notifyCreated(realMoveId, extras); 23080 23081 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 23082 @Override 23083 public void onCreated(int moveId, Bundle extras) { 23084 // Ignored 23085 } 23086 23087 @Override 23088 public void onStatusChanged(int moveId, int status, long estMillis) { 23089 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 23090 } 23091 }; 23092 23093 final StorageManager storage = mContext.getSystemService(StorageManager.class); 23094 storage.setPrimaryStorageUuid(volumeUuid, callback); 23095 return realMoveId; 23096 } 23097 23098 @Override 23099 public int getMoveStatus(int moveId) { 23100 mContext.enforceCallingOrSelfPermission( 23101 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23102 return mMoveCallbacks.mLastStatus.get(moveId); 23103 } 23104 23105 @Override 23106 public void registerMoveCallback(IPackageMoveObserver callback) { 23107 mContext.enforceCallingOrSelfPermission( 23108 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23109 mMoveCallbacks.register(callback); 23110 } 23111 23112 @Override 23113 public void unregisterMoveCallback(IPackageMoveObserver callback) { 23114 mContext.enforceCallingOrSelfPermission( 23115 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23116 mMoveCallbacks.unregister(callback); 23117 } 23118 23119 @Override 23120 public boolean setInstallLocation(int loc) { 23121 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 23122 null); 23123 if (getInstallLocation() == loc) { 23124 return true; 23125 } 23126 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 23127 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 23128 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 23129 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 23130 return true; 23131 } 23132 return false; 23133 } 23134 23135 @Override 23136 public int getInstallLocation() { 23137 // allow instant app access 23138 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 23139 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 23140 PackageHelper.APP_INSTALL_AUTO); 23141 } 23142 23143 /** Called by UserManagerService */ 23144 void cleanUpUser(UserManagerService userManager, int userHandle) { 23145 synchronized (mPackages) { 23146 mDirtyUsers.remove(userHandle); 23147 mUserNeedsBadging.delete(userHandle); 23148 mSettings.removeUserLPw(userHandle); 23149 mPendingBroadcasts.remove(userHandle); 23150 mInstantAppRegistry.onUserRemovedLPw(userHandle); 23151 removeUnusedPackagesLPw(userManager, userHandle); 23152 } 23153 } 23154 23155 /** 23156 * We're removing userHandle and would like to remove any downloaded packages 23157 * that are no longer in use by any other user. 23158 * @param userHandle the user being removed 23159 */ 23160 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 23161 final boolean DEBUG_CLEAN_APKS = false; 23162 int [] users = userManager.getUserIds(); 23163 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 23164 while (psit.hasNext()) { 23165 PackageSetting ps = psit.next(); 23166 if (ps.pkg == null) { 23167 continue; 23168 } 23169 final String packageName = ps.pkg.packageName; 23170 // Skip over if system app 23171 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 23172 continue; 23173 } 23174 if (DEBUG_CLEAN_APKS) { 23175 Slog.i(TAG, "Checking package " + packageName); 23176 } 23177 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 23178 if (keep) { 23179 if (DEBUG_CLEAN_APKS) { 23180 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 23181 } 23182 } else { 23183 for (int i = 0; i < users.length; i++) { 23184 if (users[i] != userHandle && ps.getInstalled(users[i])) { 23185 keep = true; 23186 if (DEBUG_CLEAN_APKS) { 23187 Slog.i(TAG, " Keeping package " + packageName + " for user " 23188 + users[i]); 23189 } 23190 break; 23191 } 23192 } 23193 } 23194 if (!keep) { 23195 if (DEBUG_CLEAN_APKS) { 23196 Slog.i(TAG, " Removing package " + packageName); 23197 } 23198 mHandler.post(new Runnable() { 23199 public void run() { 23200 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23201 userHandle, 0); 23202 } //end run 23203 }); 23204 } 23205 } 23206 } 23207 23208 /** Called by UserManagerService */ 23209 void createNewUser(int userId, String[] disallowedPackages) { 23210 synchronized (mInstallLock) { 23211 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 23212 } 23213 synchronized (mPackages) { 23214 scheduleWritePackageRestrictionsLocked(userId); 23215 scheduleWritePackageListLocked(userId); 23216 applyFactoryDefaultBrowserLPw(userId); 23217 primeDomainVerificationsLPw(userId); 23218 } 23219 } 23220 23221 void onNewUserCreated(final int userId) { 23222 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 23223 synchronized(mPackages) { 23224 // If permission review for legacy apps is required, we represent 23225 // dagerous permissions for such apps as always granted runtime 23226 // permissions to keep per user flag state whether review is needed. 23227 // Hence, if a new user is added we have to propagate dangerous 23228 // permission grants for these legacy apps. 23229 if (mSettings.mPermissions.mPermissionReviewRequired) { 23230 // NOTE: This adds UPDATE_PERMISSIONS_REPLACE_PKG 23231 mPermissionManager.updateAllPermissions( 23232 StorageManager.UUID_PRIVATE_INTERNAL, true, mPackages.values(), 23233 mPermissionCallback); 23234 } 23235 } 23236 } 23237 23238 @Override 23239 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 23240 mContext.enforceCallingOrSelfPermission( 23241 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 23242 "Only package verification agents can read the verifier device identity"); 23243 23244 synchronized (mPackages) { 23245 return mSettings.getVerifierDeviceIdentityLPw(); 23246 } 23247 } 23248 23249 @Override 23250 public void setPermissionEnforced(String permission, boolean enforced) { 23251 // TODO: Now that we no longer change GID for storage, this should to away. 23252 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 23253 "setPermissionEnforced"); 23254 if (READ_EXTERNAL_STORAGE.equals(permission)) { 23255 synchronized (mPackages) { 23256 if (mSettings.mReadExternalStorageEnforced == null 23257 || mSettings.mReadExternalStorageEnforced != enforced) { 23258 mSettings.mReadExternalStorageEnforced = 23259 enforced ? Boolean.TRUE : Boolean.FALSE; 23260 mSettings.writeLPr(); 23261 } 23262 } 23263 // kill any non-foreground processes so we restart them and 23264 // grant/revoke the GID. 23265 final IActivityManager am = ActivityManager.getService(); 23266 if (am != null) { 23267 final long token = Binder.clearCallingIdentity(); 23268 try { 23269 am.killProcessesBelowForeground("setPermissionEnforcement"); 23270 } catch (RemoteException e) { 23271 } finally { 23272 Binder.restoreCallingIdentity(token); 23273 } 23274 } 23275 } else { 23276 throw new IllegalArgumentException("No selective enforcement for " + permission); 23277 } 23278 } 23279 23280 @Override 23281 @Deprecated 23282 public boolean isPermissionEnforced(String permission) { 23283 // allow instant applications 23284 return true; 23285 } 23286 23287 @Override 23288 public boolean isStorageLow() { 23289 // allow instant applications 23290 final long token = Binder.clearCallingIdentity(); 23291 try { 23292 final DeviceStorageMonitorInternal 23293 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 23294 if (dsm != null) { 23295 return dsm.isMemoryLow(); 23296 } else { 23297 return false; 23298 } 23299 } finally { 23300 Binder.restoreCallingIdentity(token); 23301 } 23302 } 23303 23304 @Override 23305 public IPackageInstaller getPackageInstaller() { 23306 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23307 return null; 23308 } 23309 return mInstallerService; 23310 } 23311 23312 @Override 23313 public IArtManager getArtManager() { 23314 return mArtManagerService; 23315 } 23316 23317 private boolean userNeedsBadging(int userId) { 23318 int index = mUserNeedsBadging.indexOfKey(userId); 23319 if (index < 0) { 23320 final UserInfo userInfo; 23321 final long token = Binder.clearCallingIdentity(); 23322 try { 23323 userInfo = sUserManager.getUserInfo(userId); 23324 } finally { 23325 Binder.restoreCallingIdentity(token); 23326 } 23327 final boolean b; 23328 if (userInfo != null && userInfo.isManagedProfile()) { 23329 b = true; 23330 } else { 23331 b = false; 23332 } 23333 mUserNeedsBadging.put(userId, b); 23334 return b; 23335 } 23336 return mUserNeedsBadging.valueAt(index); 23337 } 23338 23339 @Override 23340 public KeySet getKeySetByAlias(String packageName, String alias) { 23341 if (packageName == null || alias == null) { 23342 return null; 23343 } 23344 synchronized(mPackages) { 23345 final PackageParser.Package pkg = mPackages.get(packageName); 23346 if (pkg == null) { 23347 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23348 throw new IllegalArgumentException("Unknown package: " + packageName); 23349 } 23350 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23351 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 23352 Slog.w(TAG, "KeySet requested for filtered package: " + packageName); 23353 throw new IllegalArgumentException("Unknown package: " + packageName); 23354 } 23355 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23356 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 23357 } 23358 } 23359 23360 @Override 23361 public KeySet getSigningKeySet(String packageName) { 23362 if (packageName == null) { 23363 return null; 23364 } 23365 synchronized(mPackages) { 23366 final int callingUid = Binder.getCallingUid(); 23367 final int callingUserId = UserHandle.getUserId(callingUid); 23368 final PackageParser.Package pkg = mPackages.get(packageName); 23369 if (pkg == null) { 23370 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23371 throw new IllegalArgumentException("Unknown package: " + packageName); 23372 } 23373 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23374 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 23375 // filter and pretend the package doesn't exist 23376 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 23377 + ", uid:" + callingUid); 23378 throw new IllegalArgumentException("Unknown package: " + packageName); 23379 } 23380 if (pkg.applicationInfo.uid != callingUid 23381 && Process.SYSTEM_UID != callingUid) { 23382 throw new SecurityException("May not access signing KeySet of other apps."); 23383 } 23384 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23385 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 23386 } 23387 } 23388 23389 @Override 23390 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 23391 final int callingUid = Binder.getCallingUid(); 23392 if (getInstantAppPackageName(callingUid) != null) { 23393 return false; 23394 } 23395 if (packageName == null || ks == null) { 23396 return false; 23397 } 23398 synchronized(mPackages) { 23399 final PackageParser.Package pkg = mPackages.get(packageName); 23400 if (pkg == null 23401 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 23402 UserHandle.getUserId(callingUid))) { 23403 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23404 throw new IllegalArgumentException("Unknown package: " + packageName); 23405 } 23406 IBinder ksh = ks.getToken(); 23407 if (ksh instanceof KeySetHandle) { 23408 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23409 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 23410 } 23411 return false; 23412 } 23413 } 23414 23415 @Override 23416 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 23417 final int callingUid = Binder.getCallingUid(); 23418 if (getInstantAppPackageName(callingUid) != null) { 23419 return false; 23420 } 23421 if (packageName == null || ks == null) { 23422 return false; 23423 } 23424 synchronized(mPackages) { 23425 final PackageParser.Package pkg = mPackages.get(packageName); 23426 if (pkg == null 23427 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 23428 UserHandle.getUserId(callingUid))) { 23429 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23430 throw new IllegalArgumentException("Unknown package: " + packageName); 23431 } 23432 IBinder ksh = ks.getToken(); 23433 if (ksh instanceof KeySetHandle) { 23434 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23435 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 23436 } 23437 return false; 23438 } 23439 } 23440 23441 private void deletePackageIfUnusedLPr(final String packageName) { 23442 PackageSetting ps = mSettings.mPackages.get(packageName); 23443 if (ps == null) { 23444 return; 23445 } 23446 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 23447 // TODO Implement atomic delete if package is unused 23448 // It is currently possible that the package will be deleted even if it is installed 23449 // after this method returns. 23450 mHandler.post(new Runnable() { 23451 public void run() { 23452 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23453 0, PackageManager.DELETE_ALL_USERS); 23454 } 23455 }); 23456 } 23457 } 23458 23459 /** 23460 * Check and throw if the given before/after packages would be considered a 23461 * downgrade. 23462 */ 23463 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 23464 throws PackageManagerException { 23465 if (after.getLongVersionCode() < before.getLongVersionCode()) { 23466 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23467 "Update version code " + after.versionCode + " is older than current " 23468 + before.getLongVersionCode()); 23469 } else if (after.getLongVersionCode() == before.getLongVersionCode()) { 23470 if (after.baseRevisionCode < before.baseRevisionCode) { 23471 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23472 "Update base revision code " + after.baseRevisionCode 23473 + " is older than current " + before.baseRevisionCode); 23474 } 23475 23476 if (!ArrayUtils.isEmpty(after.splitNames)) { 23477 for (int i = 0; i < after.splitNames.length; i++) { 23478 final String splitName = after.splitNames[i]; 23479 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 23480 if (j != -1) { 23481 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 23482 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23483 "Update split " + splitName + " revision code " 23484 + after.splitRevisionCodes[i] + " is older than current " 23485 + before.splitRevisionCodes[j]); 23486 } 23487 } 23488 } 23489 } 23490 } 23491 } 23492 23493 private static class MoveCallbacks extends Handler { 23494 private static final int MSG_CREATED = 1; 23495 private static final int MSG_STATUS_CHANGED = 2; 23496 23497 private final RemoteCallbackList<IPackageMoveObserver> 23498 mCallbacks = new RemoteCallbackList<>(); 23499 23500 private final SparseIntArray mLastStatus = new SparseIntArray(); 23501 23502 public MoveCallbacks(Looper looper) { 23503 super(looper); 23504 } 23505 23506 public void register(IPackageMoveObserver callback) { 23507 mCallbacks.register(callback); 23508 } 23509 23510 public void unregister(IPackageMoveObserver callback) { 23511 mCallbacks.unregister(callback); 23512 } 23513 23514 @Override 23515 public void handleMessage(Message msg) { 23516 final SomeArgs args = (SomeArgs) msg.obj; 23517 final int n = mCallbacks.beginBroadcast(); 23518 for (int i = 0; i < n; i++) { 23519 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 23520 try { 23521 invokeCallback(callback, msg.what, args); 23522 } catch (RemoteException ignored) { 23523 } 23524 } 23525 mCallbacks.finishBroadcast(); 23526 args.recycle(); 23527 } 23528 23529 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 23530 throws RemoteException { 23531 switch (what) { 23532 case MSG_CREATED: { 23533 callback.onCreated(args.argi1, (Bundle) args.arg2); 23534 break; 23535 } 23536 case MSG_STATUS_CHANGED: { 23537 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 23538 break; 23539 } 23540 } 23541 } 23542 23543 private void notifyCreated(int moveId, Bundle extras) { 23544 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 23545 23546 final SomeArgs args = SomeArgs.obtain(); 23547 args.argi1 = moveId; 23548 args.arg2 = extras; 23549 obtainMessage(MSG_CREATED, args).sendToTarget(); 23550 } 23551 23552 private void notifyStatusChanged(int moveId, int status) { 23553 notifyStatusChanged(moveId, status, -1); 23554 } 23555 23556 private void notifyStatusChanged(int moveId, int status, long estMillis) { 23557 Slog.v(TAG, "Move " + moveId + " status " + status); 23558 23559 final SomeArgs args = SomeArgs.obtain(); 23560 args.argi1 = moveId; 23561 args.argi2 = status; 23562 args.arg3 = estMillis; 23563 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 23564 23565 synchronized (mLastStatus) { 23566 mLastStatus.put(moveId, status); 23567 } 23568 } 23569 } 23570 23571 private final static class OnPermissionChangeListeners extends Handler { 23572 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 23573 23574 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 23575 new RemoteCallbackList<>(); 23576 23577 public OnPermissionChangeListeners(Looper looper) { 23578 super(looper); 23579 } 23580 23581 @Override 23582 public void handleMessage(Message msg) { 23583 switch (msg.what) { 23584 case MSG_ON_PERMISSIONS_CHANGED: { 23585 final int uid = msg.arg1; 23586 handleOnPermissionsChanged(uid); 23587 } break; 23588 } 23589 } 23590 23591 public void addListenerLocked(IOnPermissionsChangeListener listener) { 23592 mPermissionListeners.register(listener); 23593 23594 } 23595 23596 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 23597 mPermissionListeners.unregister(listener); 23598 } 23599 23600 public void onPermissionsChanged(int uid) { 23601 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 23602 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 23603 } 23604 } 23605 23606 private void handleOnPermissionsChanged(int uid) { 23607 final int count = mPermissionListeners.beginBroadcast(); 23608 try { 23609 for (int i = 0; i < count; i++) { 23610 IOnPermissionsChangeListener callback = mPermissionListeners 23611 .getBroadcastItem(i); 23612 try { 23613 callback.onPermissionsChanged(uid); 23614 } catch (RemoteException e) { 23615 Log.e(TAG, "Permission listener is dead", e); 23616 } 23617 } 23618 } finally { 23619 mPermissionListeners.finishBroadcast(); 23620 } 23621 } 23622 } 23623 23624 private class PackageManagerNative extends IPackageManagerNative.Stub { 23625 @Override 23626 public String[] getNamesForUids(int[] uids) throws RemoteException { 23627 final String[] results = PackageManagerService.this.getNamesForUids(uids); 23628 // massage results so they can be parsed by the native binder 23629 for (int i = results.length - 1; i >= 0; --i) { 23630 if (results[i] == null) { 23631 results[i] = ""; 23632 } 23633 } 23634 return results; 23635 } 23636 23637 // NB: this differentiates between preloads and sideloads 23638 @Override 23639 public String getInstallerForPackage(String packageName) throws RemoteException { 23640 final String installerName = getInstallerPackageName(packageName); 23641 if (!TextUtils.isEmpty(installerName)) { 23642 return installerName; 23643 } 23644 // differentiate between preload and sideload 23645 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 23646 ApplicationInfo appInfo = getApplicationInfo(packageName, 23647 /*flags*/ 0, 23648 /*userId*/ callingUser); 23649 if (appInfo != null && (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 23650 return "preload"; 23651 } 23652 return ""; 23653 } 23654 23655 @Override 23656 public long getVersionCodeForPackage(String packageName) throws RemoteException { 23657 try { 23658 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 23659 PackageInfo pInfo = getPackageInfo(packageName, 0, callingUser); 23660 if (pInfo != null) { 23661 return pInfo.getLongVersionCode(); 23662 } 23663 } catch (Exception e) { 23664 } 23665 return 0; 23666 } 23667 } 23668 23669 private class PackageManagerInternalImpl extends PackageManagerInternal { 23670 @Override 23671 public void updatePermissionFlagsTEMP(String permName, String packageName, int flagMask, 23672 int flagValues, int userId) { 23673 PackageManagerService.this.updatePermissionFlags( 23674 permName, packageName, flagMask, flagValues, userId); 23675 } 23676 23677 @Override 23678 public boolean isDataRestoreSafe(byte[] restoringFromSigHash, String packageName) { 23679 SigningDetails sd = getSigningDetails(packageName); 23680 if (sd == null) { 23681 return false; 23682 } 23683 return sd.hasSha256Certificate(restoringFromSigHash, 23684 SigningDetails.CertCapabilities.INSTALLED_DATA); 23685 } 23686 23687 @Override 23688 public boolean isDataRestoreSafe(Signature restoringFromSig, String packageName) { 23689 SigningDetails sd = getSigningDetails(packageName); 23690 if (sd == null) { 23691 return false; 23692 } 23693 return sd.hasCertificate(restoringFromSig, 23694 SigningDetails.CertCapabilities.INSTALLED_DATA); 23695 } 23696 23697 @Override 23698 public boolean hasSignatureCapability(int serverUid, int clientUid, 23699 @SigningDetails.CertCapabilities int capability) { 23700 SigningDetails serverSigningDetails = getSigningDetails(serverUid); 23701 SigningDetails clientSigningDetails = getSigningDetails(clientUid); 23702 return serverSigningDetails.checkCapability(clientSigningDetails, capability) 23703 || clientSigningDetails.hasAncestorOrSelf(serverSigningDetails); 23704 23705 } 23706 23707 private SigningDetails getSigningDetails(@NonNull String packageName) { 23708 synchronized (mPackages) { 23709 PackageParser.Package p = mPackages.get(packageName); 23710 if (p == null) { 23711 return null; 23712 } 23713 return p.mSigningDetails; 23714 } 23715 } 23716 23717 private SigningDetails getSigningDetails(int uid) { 23718 synchronized (mPackages) { 23719 final int appId = UserHandle.getAppId(uid); 23720 final Object obj = mSettings.getUserIdLPr(appId); 23721 if (obj != null) { 23722 if (obj instanceof SharedUserSetting) { 23723 return ((SharedUserSetting) obj).signatures.mSigningDetails; 23724 } else if (obj instanceof PackageSetting) { 23725 final PackageSetting ps = (PackageSetting) obj; 23726 return ps.signatures.mSigningDetails; 23727 } 23728 } 23729 return SigningDetails.UNKNOWN; 23730 } 23731 } 23732 23733 @Override 23734 public int getPermissionFlagsTEMP(String permName, String packageName, int userId) { 23735 return PackageManagerService.this.getPermissionFlags(permName, packageName, userId); 23736 } 23737 23738 @Override 23739 public boolean isInstantApp(String packageName, int userId) { 23740 return PackageManagerService.this.isInstantApp(packageName, userId); 23741 } 23742 23743 @Override 23744 public String getInstantAppPackageName(int uid) { 23745 return PackageManagerService.this.getInstantAppPackageName(uid); 23746 } 23747 23748 @Override 23749 public boolean filterAppAccess(PackageParser.Package pkg, int callingUid, int userId) { 23750 synchronized (mPackages) { 23751 return PackageManagerService.this.filterAppAccessLPr( 23752 (PackageSetting) pkg.mExtras, callingUid, userId); 23753 } 23754 } 23755 23756 @Override 23757 public PackageParser.Package getPackage(String packageName) { 23758 synchronized (mPackages) { 23759 packageName = resolveInternalPackageNameLPr( 23760 packageName, PackageManager.VERSION_CODE_HIGHEST); 23761 return mPackages.get(packageName); 23762 } 23763 } 23764 23765 @Override 23766 public PackageList getPackageList(PackageListObserver observer) { 23767 synchronized (mPackages) { 23768 final int N = mPackages.size(); 23769 final ArrayList<String> list = new ArrayList<>(N); 23770 for (int i = 0; i < N; i++) { 23771 list.add(mPackages.keyAt(i)); 23772 } 23773 final PackageList packageList = new PackageList(list, observer); 23774 if (observer != null) { 23775 mPackageListObservers.add(packageList); 23776 } 23777 return packageList; 23778 } 23779 } 23780 23781 @Override 23782 public void removePackageListObserver(PackageListObserver observer) { 23783 synchronized (mPackages) { 23784 mPackageListObservers.remove(observer); 23785 } 23786 } 23787 23788 @Override 23789 public PackageParser.Package getDisabledPackage(String packageName) { 23790 synchronized (mPackages) { 23791 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 23792 return (ps != null) ? ps.pkg : null; 23793 } 23794 } 23795 23796 @Override 23797 public String getKnownPackageName(int knownPackage, int userId) { 23798 switch(knownPackage) { 23799 case PackageManagerInternal.PACKAGE_BROWSER: 23800 return getDefaultBrowserPackageName(userId); 23801 case PackageManagerInternal.PACKAGE_INSTALLER: 23802 return mRequiredInstallerPackage; 23803 case PackageManagerInternal.PACKAGE_SETUP_WIZARD: 23804 return mSetupWizardPackage; 23805 case PackageManagerInternal.PACKAGE_SYSTEM: 23806 return "android"; 23807 case PackageManagerInternal.PACKAGE_VERIFIER: 23808 return mRequiredVerifierPackage; 23809 case PackageManagerInternal.PACKAGE_SYSTEM_TEXT_CLASSIFIER: 23810 return mSystemTextClassifierPackage; 23811 } 23812 return null; 23813 } 23814 23815 @Override 23816 public boolean isResolveActivityComponent(ComponentInfo component) { 23817 return mResolveActivity.packageName.equals(component.packageName) 23818 && mResolveActivity.name.equals(component.name); 23819 } 23820 23821 @Override 23822 public void setLocationPackagesProvider(PackagesProvider provider) { 23823 mDefaultPermissionPolicy.setLocationPackagesProvider(provider); 23824 } 23825 23826 @Override 23827 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 23828 mDefaultPermissionPolicy.setVoiceInteractionPackagesProvider(provider); 23829 } 23830 23831 @Override 23832 public void setSmsAppPackagesProvider(PackagesProvider provider) { 23833 mDefaultPermissionPolicy.setSmsAppPackagesProvider(provider); 23834 } 23835 23836 @Override 23837 public void setDialerAppPackagesProvider(PackagesProvider provider) { 23838 mDefaultPermissionPolicy.setDialerAppPackagesProvider(provider); 23839 } 23840 23841 @Override 23842 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 23843 mDefaultPermissionPolicy.setSimCallManagerPackagesProvider(provider); 23844 } 23845 23846 @Override 23847 public void setUseOpenWifiAppPackagesProvider(PackagesProvider provider) { 23848 mDefaultPermissionPolicy.setUseOpenWifiAppPackagesProvider(provider); 23849 } 23850 23851 @Override 23852 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 23853 mDefaultPermissionPolicy.setSyncAdapterPackagesProvider(provider); 23854 } 23855 23856 @Override 23857 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 23858 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsApp(packageName, userId); 23859 } 23860 23861 @Override 23862 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 23863 synchronized (mPackages) { 23864 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 23865 } 23866 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerApp(packageName, userId); 23867 } 23868 23869 @Override 23870 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 23871 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManager( 23872 packageName, userId); 23873 } 23874 23875 @Override 23876 public void grantDefaultPermissionsToDefaultUseOpenWifiApp(String packageName, int userId) { 23877 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultUseOpenWifiApp( 23878 packageName, userId); 23879 } 23880 23881 @Override 23882 public void setKeepUninstalledPackages(final List<String> packageList) { 23883 Preconditions.checkNotNull(packageList); 23884 List<String> removedFromList = null; 23885 synchronized (mPackages) { 23886 if (mKeepUninstalledPackages != null) { 23887 final int packagesCount = mKeepUninstalledPackages.size(); 23888 for (int i = 0; i < packagesCount; i++) { 23889 String oldPackage = mKeepUninstalledPackages.get(i); 23890 if (packageList != null && packageList.contains(oldPackage)) { 23891 continue; 23892 } 23893 if (removedFromList == null) { 23894 removedFromList = new ArrayList<>(); 23895 } 23896 removedFromList.add(oldPackage); 23897 } 23898 } 23899 mKeepUninstalledPackages = new ArrayList<>(packageList); 23900 if (removedFromList != null) { 23901 final int removedCount = removedFromList.size(); 23902 for (int i = 0; i < removedCount; i++) { 23903 deletePackageIfUnusedLPr(removedFromList.get(i)); 23904 } 23905 } 23906 } 23907 } 23908 23909 @Override 23910 public boolean isPermissionsReviewRequired(String packageName, int userId) { 23911 synchronized (mPackages) { 23912 return mPermissionManager.isPermissionsReviewRequired( 23913 mPackages.get(packageName), userId); 23914 } 23915 } 23916 23917 @Override 23918 public PackageInfo getPackageInfo( 23919 String packageName, int flags, int filterCallingUid, int userId) { 23920 return PackageManagerService.this 23921 .getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 23922 flags, filterCallingUid, userId); 23923 } 23924 23925 @Override 23926 public Bundle getSuspendedPackageLauncherExtras(String packageName, int userId) { 23927 synchronized (mPackages) { 23928 final PackageSetting ps = mSettings.mPackages.get(packageName); 23929 PersistableBundle launcherExtras = null; 23930 if (ps != null) { 23931 launcherExtras = ps.readUserState(userId).suspendedLauncherExtras; 23932 } 23933 return (launcherExtras != null) ? new Bundle(launcherExtras.deepCopy()) : null; 23934 } 23935 } 23936 23937 @Override 23938 public boolean isPackageSuspended(String packageName, int userId) { 23939 synchronized (mPackages) { 23940 final PackageSetting ps = mSettings.mPackages.get(packageName); 23941 return (ps != null) ? ps.getSuspended(userId) : false; 23942 } 23943 } 23944 23945 @Override 23946 public String getSuspendingPackage(String suspendedPackage, int userId) { 23947 synchronized (mPackages) { 23948 final PackageSetting ps = mSettings.mPackages.get(suspendedPackage); 23949 return (ps != null) ? ps.readUserState(userId).suspendingPackage : null; 23950 } 23951 } 23952 23953 @Override 23954 public String getSuspendedDialogMessage(String suspendedPackage, int userId) { 23955 synchronized (mPackages) { 23956 final PackageSetting ps = mSettings.mPackages.get(suspendedPackage); 23957 return (ps != null) ? ps.readUserState(userId).dialogMessage : null; 23958 } 23959 } 23960 23961 @Override 23962 public int getPackageUid(String packageName, int flags, int userId) { 23963 return PackageManagerService.this 23964 .getPackageUid(packageName, flags, userId); 23965 } 23966 23967 @Override 23968 public ApplicationInfo getApplicationInfo( 23969 String packageName, int flags, int filterCallingUid, int userId) { 23970 return PackageManagerService.this 23971 .getApplicationInfoInternal(packageName, flags, filterCallingUid, userId); 23972 } 23973 23974 @Override 23975 public ActivityInfo getActivityInfo( 23976 ComponentName component, int flags, int filterCallingUid, int userId) { 23977 return PackageManagerService.this 23978 .getActivityInfoInternal(component, flags, filterCallingUid, userId); 23979 } 23980 23981 @Override 23982 public List<ResolveInfo> queryIntentActivities( 23983 Intent intent, int flags, int filterCallingUid, int userId) { 23984 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23985 return PackageManagerService.this 23986 .queryIntentActivitiesInternal(intent, resolvedType, flags, filterCallingUid, 23987 userId, false /*resolveForStart*/, true /*allowDynamicSplits*/); 23988 } 23989 23990 @Override 23991 public List<ResolveInfo> queryIntentServices( 23992 Intent intent, int flags, int callingUid, int userId) { 23993 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23994 return PackageManagerService.this 23995 .queryIntentServicesInternal(intent, resolvedType, flags, userId, callingUid, 23996 false); 23997 } 23998 23999 @Override 24000 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 24001 int userId) { 24002 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 24003 } 24004 24005 @Override 24006 public ComponentName getDefaultHomeActivity(int userId) { 24007 return PackageManagerService.this.getDefaultHomeActivity(userId); 24008 } 24009 24010 @Override 24011 public void setDeviceAndProfileOwnerPackages( 24012 int deviceOwnerUserId, String deviceOwnerPackage, 24013 SparseArray<String> profileOwnerPackages) { 24014 mProtectedPackages.setDeviceAndProfileOwnerPackages( 24015 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 24016 24017 final ArraySet<Integer> usersWithPoOrDo = new ArraySet<>(); 24018 if (deviceOwnerPackage != null) { 24019 usersWithPoOrDo.add(deviceOwnerUserId); 24020 } 24021 final int sz = profileOwnerPackages.size(); 24022 for (int i = 0; i < sz; i++) { 24023 if (profileOwnerPackages.valueAt(i) != null) { 24024 usersWithPoOrDo.add(profileOwnerPackages.keyAt(i)); 24025 } 24026 } 24027 unsuspendForNonSystemSuspendingPackages(usersWithPoOrDo); 24028 } 24029 24030 @Override 24031 public boolean isPackageDataProtected(int userId, String packageName) { 24032 return mProtectedPackages.isPackageDataProtected(userId, packageName); 24033 } 24034 24035 @Override 24036 public boolean isPackageStateProtected(String packageName, int userId) { 24037 return mProtectedPackages.isPackageStateProtected(userId, packageName); 24038 } 24039 24040 @Override 24041 public boolean isPackageEphemeral(int userId, String packageName) { 24042 synchronized (mPackages) { 24043 final PackageSetting ps = mSettings.mPackages.get(packageName); 24044 return ps != null ? ps.getInstantApp(userId) : false; 24045 } 24046 } 24047 24048 @Override 24049 public boolean wasPackageEverLaunched(String packageName, int userId) { 24050 synchronized (mPackages) { 24051 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 24052 } 24053 } 24054 24055 @Override 24056 public void grantRuntimePermission(String packageName, String permName, int userId, 24057 boolean overridePolicy) { 24058 PackageManagerService.this.mPermissionManager.grantRuntimePermission( 24059 permName, packageName, overridePolicy, getCallingUid(), userId, 24060 mPermissionCallback); 24061 } 24062 24063 @Override 24064 public void revokeRuntimePermission(String packageName, String permName, int userId, 24065 boolean overridePolicy) { 24066 mPermissionManager.revokeRuntimePermission( 24067 permName, packageName, overridePolicy, getCallingUid(), userId, 24068 mPermissionCallback); 24069 } 24070 24071 @Override 24072 public String getNameForUid(int uid) { 24073 return PackageManagerService.this.getNameForUid(uid); 24074 } 24075 24076 @Override 24077 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 24078 Intent origIntent, String resolvedType, String callingPackage, 24079 Bundle verificationBundle, int userId) { 24080 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 24081 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 24082 userId); 24083 } 24084 24085 @Override 24086 public void grantEphemeralAccess(int userId, Intent intent, 24087 int targetAppId, int ephemeralAppId) { 24088 synchronized (mPackages) { 24089 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 24090 targetAppId, ephemeralAppId); 24091 } 24092 } 24093 24094 @Override 24095 public boolean isInstantAppInstallerComponent(ComponentName component) { 24096 synchronized (mPackages) { 24097 return mInstantAppInstallerActivity != null 24098 && mInstantAppInstallerActivity.getComponentName().equals(component); 24099 } 24100 } 24101 24102 @Override 24103 public void pruneInstantApps() { 24104 mInstantAppRegistry.pruneInstantApps(); 24105 } 24106 24107 @Override 24108 public String getSetupWizardPackageName() { 24109 return mSetupWizardPackage; 24110 } 24111 24112 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 24113 if (policy != null) { 24114 mExternalSourcesPolicy = policy; 24115 } 24116 } 24117 24118 @Override 24119 public boolean isPackagePersistent(String packageName) { 24120 synchronized (mPackages) { 24121 PackageParser.Package pkg = mPackages.get(packageName); 24122 return pkg != null 24123 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 24124 | ApplicationInfo.FLAG_PERSISTENT)) == 24125 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 24126 : false; 24127 } 24128 } 24129 24130 @Override 24131 public boolean isLegacySystemApp(Package pkg) { 24132 synchronized (mPackages) { 24133 final PackageSetting ps = (PackageSetting) pkg.mExtras; 24134 return mPromoteSystemApps 24135 && ps.isSystem() 24136 && mExistingSystemPackages.contains(ps.name); 24137 } 24138 } 24139 24140 @Override 24141 public List<PackageInfo> getOverlayPackages(int userId) { 24142 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 24143 synchronized (mPackages) { 24144 for (PackageParser.Package p : mPackages.values()) { 24145 if (p.mOverlayTarget != null) { 24146 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 24147 if (pkg != null) { 24148 overlayPackages.add(pkg); 24149 } 24150 } 24151 } 24152 } 24153 return overlayPackages; 24154 } 24155 24156 @Override 24157 public List<String> getTargetPackageNames(int userId) { 24158 List<String> targetPackages = new ArrayList<>(); 24159 synchronized (mPackages) { 24160 for (PackageParser.Package p : mPackages.values()) { 24161 if (p.mOverlayTarget == null) { 24162 targetPackages.add(p.packageName); 24163 } 24164 } 24165 } 24166 return targetPackages; 24167 } 24168 24169 @Override 24170 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 24171 @Nullable List<String> overlayPackageNames) { 24172 synchronized (mPackages) { 24173 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 24174 Slog.e(TAG, "failed to find package " + targetPackageName); 24175 return false; 24176 } 24177 ArrayList<String> overlayPaths = null; 24178 if (overlayPackageNames != null && overlayPackageNames.size() > 0) { 24179 final int N = overlayPackageNames.size(); 24180 overlayPaths = new ArrayList<>(N); 24181 for (int i = 0; i < N; i++) { 24182 final String packageName = overlayPackageNames.get(i); 24183 final PackageParser.Package pkg = mPackages.get(packageName); 24184 if (pkg == null) { 24185 Slog.e(TAG, "failed to find package " + packageName); 24186 return false; 24187 } 24188 overlayPaths.add(pkg.baseCodePath); 24189 } 24190 } 24191 24192 final PackageSetting ps = mSettings.mPackages.get(targetPackageName); 24193 ps.setOverlayPaths(overlayPaths, userId); 24194 return true; 24195 } 24196 } 24197 24198 @Override 24199 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 24200 int flags, int userId, boolean resolveForStart, int filterCallingUid) { 24201 return resolveIntentInternal( 24202 intent, resolvedType, flags, userId, resolveForStart, filterCallingUid); 24203 } 24204 24205 @Override 24206 public ResolveInfo resolveService(Intent intent, String resolvedType, 24207 int flags, int userId, int callingUid) { 24208 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 24209 } 24210 24211 @Override 24212 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 24213 return PackageManagerService.this.resolveContentProviderInternal( 24214 name, flags, userId); 24215 } 24216 24217 @Override 24218 public void addIsolatedUid(int isolatedUid, int ownerUid) { 24219 synchronized (mPackages) { 24220 mIsolatedOwners.put(isolatedUid, ownerUid); 24221 } 24222 } 24223 24224 @Override 24225 public void removeIsolatedUid(int isolatedUid) { 24226 synchronized (mPackages) { 24227 mIsolatedOwners.delete(isolatedUid); 24228 } 24229 } 24230 24231 @Override 24232 public int getUidTargetSdkVersion(int uid) { 24233 synchronized (mPackages) { 24234 return getUidTargetSdkVersionLockedLPr(uid); 24235 } 24236 } 24237 24238 @Override 24239 public int getPackageTargetSdkVersion(String packageName) { 24240 synchronized (mPackages) { 24241 return getPackageTargetSdkVersionLockedLPr(packageName); 24242 } 24243 } 24244 24245 @Override 24246 public boolean canAccessInstantApps(int callingUid, int userId) { 24247 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 24248 } 24249 24250 @Override 24251 public boolean canAccessComponent(int callingUid, ComponentName component, int userId) { 24252 synchronized (mPackages) { 24253 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 24254 return !PackageManagerService.this.filterAppAccessLPr( 24255 ps, callingUid, component, TYPE_UNKNOWN, userId); 24256 } 24257 } 24258 24259 @Override 24260 public boolean hasInstantApplicationMetadata(String packageName, int userId) { 24261 synchronized (mPackages) { 24262 return mInstantAppRegistry.hasInstantApplicationMetadataLPr(packageName, userId); 24263 } 24264 } 24265 24266 @Override 24267 public void notifyPackageUse(String packageName, int reason) { 24268 synchronized (mPackages) { 24269 PackageManagerService.this.notifyPackageUseLocked(packageName, reason); 24270 } 24271 } 24272 } 24273 24274 @Override 24275 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 24276 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 24277 synchronized (mPackages) { 24278 final long identity = Binder.clearCallingIdentity(); 24279 try { 24280 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierApps( 24281 packageNames, userId); 24282 } finally { 24283 Binder.restoreCallingIdentity(identity); 24284 } 24285 } 24286 } 24287 24288 @Override 24289 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 24290 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 24291 synchronized (mPackages) { 24292 final long identity = Binder.clearCallingIdentity(); 24293 try { 24294 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServices( 24295 packageNames, userId); 24296 } finally { 24297 Binder.restoreCallingIdentity(identity); 24298 } 24299 } 24300 } 24301 24302 @Override 24303 public void grantDefaultPermissionsToEnabledTelephonyDataServices( 24304 String[] packageNames, int userId) { 24305 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledTelephonyDataServices"); 24306 synchronized (mPackages) { 24307 Binder.withCleanCallingIdentity( () -> { 24308 mDefaultPermissionPolicy. 24309 grantDefaultPermissionsToEnabledTelephonyDataServices( 24310 packageNames, userId); 24311 }); 24312 } 24313 } 24314 24315 @Override 24316 public void revokeDefaultPermissionsFromDisabledTelephonyDataServices( 24317 String[] packageNames, int userId) { 24318 enforceSystemOrPhoneCaller("revokeDefaultPermissionsFromDisabledTelephonyDataServices"); 24319 synchronized (mPackages) { 24320 Binder.withCleanCallingIdentity( () -> { 24321 mDefaultPermissionPolicy. 24322 revokeDefaultPermissionsFromDisabledTelephonyDataServices( 24323 packageNames, userId); 24324 }); 24325 } 24326 } 24327 24328 @Override 24329 public void grantDefaultPermissionsToActiveLuiApp(String packageName, int userId) { 24330 enforceSystemOrPhoneCaller("grantDefaultPermissionsToActiveLuiApp"); 24331 synchronized (mPackages) { 24332 final long identity = Binder.clearCallingIdentity(); 24333 try { 24334 mDefaultPermissionPolicy.grantDefaultPermissionsToActiveLuiApp( 24335 packageName, userId); 24336 } finally { 24337 Binder.restoreCallingIdentity(identity); 24338 } 24339 } 24340 } 24341 24342 @Override 24343 public void revokeDefaultPermissionsFromLuiApps(String[] packageNames, int userId) { 24344 enforceSystemOrPhoneCaller("revokeDefaultPermissionsFromLuiApps"); 24345 synchronized (mPackages) { 24346 final long identity = Binder.clearCallingIdentity(); 24347 try { 24348 mDefaultPermissionPolicy.revokeDefaultPermissionsFromLuiApps(packageNames, userId); 24349 } finally { 24350 Binder.restoreCallingIdentity(identity); 24351 } 24352 } 24353 } 24354 24355 private static void enforceSystemOrPhoneCaller(String tag) { 24356 int callingUid = Binder.getCallingUid(); 24357 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 24358 throw new SecurityException( 24359 "Cannot call " + tag + " from UID " + callingUid); 24360 } 24361 } 24362 24363 boolean isHistoricalPackageUsageAvailable() { 24364 return mPackageUsage.isHistoricalPackageUsageAvailable(); 24365 } 24366 24367 /** 24368 * Return a <b>copy</b> of the collection of packages known to the package manager. 24369 * @return A copy of the values of mPackages. 24370 */ 24371 Collection<PackageParser.Package> getPackages() { 24372 synchronized (mPackages) { 24373 return new ArrayList<>(mPackages.values()); 24374 } 24375 } 24376 24377 /** 24378 * Logs process start information (including base APK hash) to the security log. 24379 * @hide 24380 */ 24381 @Override 24382 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 24383 String apkFile, int pid) { 24384 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24385 return; 24386 } 24387 if (!SecurityLog.isLoggingEnabled()) { 24388 return; 24389 } 24390 Bundle data = new Bundle(); 24391 data.putLong("startTimestamp", System.currentTimeMillis()); 24392 data.putString("processName", processName); 24393 data.putInt("uid", uid); 24394 data.putString("seinfo", seinfo); 24395 data.putString("apkFile", apkFile); 24396 data.putInt("pid", pid); 24397 Message msg = mProcessLoggingHandler.obtainMessage( 24398 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 24399 msg.setData(data); 24400 mProcessLoggingHandler.sendMessage(msg); 24401 } 24402 24403 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 24404 return mCompilerStats.getPackageStats(pkgName); 24405 } 24406 24407 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 24408 return getOrCreateCompilerPackageStats(pkg.packageName); 24409 } 24410 24411 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 24412 return mCompilerStats.getOrCreatePackageStats(pkgName); 24413 } 24414 24415 public void deleteCompilerPackageStats(String pkgName) { 24416 mCompilerStats.deletePackageStats(pkgName); 24417 } 24418 24419 @Override 24420 public int getInstallReason(String packageName, int userId) { 24421 final int callingUid = Binder.getCallingUid(); 24422 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24423 true /* requireFullPermission */, false /* checkShell */, 24424 "get install reason"); 24425 synchronized (mPackages) { 24426 final PackageSetting ps = mSettings.mPackages.get(packageName); 24427 if (filterAppAccessLPr(ps, callingUid, userId)) { 24428 return PackageManager.INSTALL_REASON_UNKNOWN; 24429 } 24430 if (ps != null) { 24431 return ps.getInstallReason(userId); 24432 } 24433 } 24434 return PackageManager.INSTALL_REASON_UNKNOWN; 24435 } 24436 24437 @Override 24438 public boolean canRequestPackageInstalls(String packageName, int userId) { 24439 return canRequestPackageInstallsInternal(packageName, 0, userId, 24440 true /* throwIfPermNotDeclared*/); 24441 } 24442 24443 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 24444 boolean throwIfPermNotDeclared) { 24445 int callingUid = Binder.getCallingUid(); 24446 int uid = getPackageUid(packageName, 0, userId); 24447 if (callingUid != uid && callingUid != Process.ROOT_UID 24448 && callingUid != Process.SYSTEM_UID) { 24449 throw new SecurityException( 24450 "Caller uid " + callingUid + " does not own package " + packageName); 24451 } 24452 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 24453 if (info == null) { 24454 return false; 24455 } 24456 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 24457 return false; 24458 } 24459 if (isInstantApp(packageName, userId)) { 24460 return false; 24461 } 24462 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 24463 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 24464 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 24465 if (throwIfPermNotDeclared) { 24466 throw new SecurityException("Need to declare " + appOpPermission 24467 + " to call this api"); 24468 } else { 24469 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 24470 return false; 24471 } 24472 } 24473 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 24474 return false; 24475 } 24476 if (mExternalSourcesPolicy != null) { 24477 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 24478 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 24479 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 24480 } 24481 } 24482 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 24483 } 24484 24485 @Override 24486 public ComponentName getInstantAppResolverSettingsComponent() { 24487 return mInstantAppResolverSettingsComponent; 24488 } 24489 24490 @Override 24491 public ComponentName getInstantAppInstallerComponent() { 24492 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24493 return null; 24494 } 24495 return mInstantAppInstallerActivity == null 24496 ? null : mInstantAppInstallerActivity.getComponentName(); 24497 } 24498 24499 @Override 24500 public String getInstantAppAndroidId(String packageName, int userId) { 24501 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 24502 "getInstantAppAndroidId"); 24503 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 24504 true /* requireFullPermission */, false /* checkShell */, 24505 "getInstantAppAndroidId"); 24506 // Make sure the target is an Instant App. 24507 if (!isInstantApp(packageName, userId)) { 24508 return null; 24509 } 24510 synchronized (mPackages) { 24511 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 24512 } 24513 } 24514 24515 boolean canHaveOatDir(String packageName) { 24516 synchronized (mPackages) { 24517 PackageParser.Package p = mPackages.get(packageName); 24518 if (p == null) { 24519 return false; 24520 } 24521 return p.canHaveOatDir(); 24522 } 24523 } 24524 24525 private String getOatDir(PackageParser.Package pkg) { 24526 if (!pkg.canHaveOatDir()) { 24527 return null; 24528 } 24529 File codePath = new File(pkg.codePath); 24530 if (codePath.isDirectory()) { 24531 return PackageDexOptimizer.getOatDir(codePath).getAbsolutePath(); 24532 } 24533 return null; 24534 } 24535 24536 void deleteOatArtifactsOfPackage(String packageName) { 24537 final String[] instructionSets; 24538 final List<String> codePaths; 24539 final String oatDir; 24540 final PackageParser.Package pkg; 24541 synchronized (mPackages) { 24542 pkg = mPackages.get(packageName); 24543 } 24544 instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 24545 codePaths = pkg.getAllCodePaths(); 24546 oatDir = getOatDir(pkg); 24547 24548 for (String codePath : codePaths) { 24549 for (String isa : instructionSets) { 24550 try { 24551 mInstaller.deleteOdex(codePath, isa, oatDir); 24552 } catch (InstallerException e) { 24553 Log.e(TAG, "Failed deleting oat files for " + codePath, e); 24554 } 24555 } 24556 } 24557 } 24558 24559 Set<String> getUnusedPackages(long downgradeTimeThresholdMillis) { 24560 Set<String> unusedPackages = new HashSet<>(); 24561 long currentTimeInMillis = System.currentTimeMillis(); 24562 synchronized (mPackages) { 24563 for (PackageParser.Package pkg : mPackages.values()) { 24564 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 24565 if (ps == null) { 24566 continue; 24567 } 24568 PackageDexUsage.PackageUseInfo packageUseInfo = 24569 getDexManager().getPackageUseInfoOrDefault(pkg.packageName); 24570 if (PackageManagerServiceUtils 24571 .isUnusedSinceTimeInMillis(ps.firstInstallTime, currentTimeInMillis, 24572 downgradeTimeThresholdMillis, packageUseInfo, 24573 pkg.getLatestPackageUseTimeInMills(), 24574 pkg.getLatestForegroundPackageUseTimeInMills())) { 24575 unusedPackages.add(pkg.packageName); 24576 } 24577 } 24578 } 24579 return unusedPackages; 24580 } 24581 24582 @Override 24583 public void setHarmfulAppWarning(@NonNull String packageName, @Nullable CharSequence warning, 24584 int userId) { 24585 final int callingUid = Binder.getCallingUid(); 24586 final int callingAppId = UserHandle.getAppId(callingUid); 24587 24588 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24589 true /*requireFullPermission*/, true /*checkShell*/, "setHarmfulAppInfo"); 24590 24591 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 24592 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 24593 throw new SecurityException("Caller must have the " 24594 + SET_HARMFUL_APP_WARNINGS + " permission."); 24595 } 24596 24597 synchronized(mPackages) { 24598 mSettings.setHarmfulAppWarningLPw(packageName, warning, userId); 24599 scheduleWritePackageRestrictionsLocked(userId); 24600 } 24601 } 24602 24603 @Nullable 24604 @Override 24605 public CharSequence getHarmfulAppWarning(@NonNull String packageName, int userId) { 24606 final int callingUid = Binder.getCallingUid(); 24607 final int callingAppId = UserHandle.getAppId(callingUid); 24608 24609 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24610 true /*requireFullPermission*/, true /*checkShell*/, "getHarmfulAppInfo"); 24611 24612 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 24613 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 24614 throw new SecurityException("Caller must have the " 24615 + SET_HARMFUL_APP_WARNINGS + " permission."); 24616 } 24617 24618 synchronized(mPackages) { 24619 return mSettings.getHarmfulAppWarningLPr(packageName, userId); 24620 } 24621 } 24622 24623 @Override 24624 public boolean isPackageStateProtected(@NonNull String packageName, @UserIdInt int userId) { 24625 final int callingUid = Binder.getCallingUid(); 24626 final int callingAppId = UserHandle.getAppId(callingUid); 24627 24628 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24629 false /*requireFullPermission*/, true /*checkShell*/, "isPackageStateProtected"); 24630 24631 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID 24632 && checkUidPermission(MANAGE_DEVICE_ADMINS, callingUid) != PERMISSION_GRANTED) { 24633 throw new SecurityException("Caller must have the " 24634 + MANAGE_DEVICE_ADMINS + " permission."); 24635 } 24636 24637 return mProtectedPackages.isPackageStateProtected(userId, packageName); 24638 } 24639 } 24640 24641 interface PackageSender { 24642 /** 24643 * @param userIds User IDs where the action occurred on a full application 24644 * @param instantUserIds User IDs where the action occurred on an instant application 24645 */ 24646 void sendPackageBroadcast(final String action, final String pkg, 24647 final Bundle extras, final int flags, final String targetPkg, 24648 final IIntentReceiver finishedReceiver, final int[] userIds, int[] instantUserIds); 24649 void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 24650 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds); 24651 void notifyPackageAdded(String packageName); 24652 void notifyPackageRemoved(String packageName); 24653 } 24654