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.READ_EXTERNAL_STORAGE; 20 import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21 import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27 import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28 import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29 import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 30 import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 31 import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 32 import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 33 import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 34 import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 35 import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 36 import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 37 import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38 import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39 import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 40 import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 41 import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 42 import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 43 import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 44 import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 45 import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 46 import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 47 import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 48 import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 49 import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 50 import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 51 import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 52 import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 53 import static android.content.pm.PackageManager.INSTALL_INTERNAL; 54 import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 55 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 56 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 57 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 58 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 59 import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 60 import static android.content.pm.PackageManager.MATCH_ALL; 61 import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 62 import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 63 import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 64 import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 65 import static android.content.pm.PackageManager.PERMISSION_DENIED; 66 import static android.content.pm.PackageManager.PERMISSION_GRANTED; 67 import static android.content.pm.PackageParser.isApkFile; 68 import static android.os.Process.PACKAGE_INFO_GID; 69 import static android.os.Process.SYSTEM_UID; 70 import static android.system.OsConstants.O_CREAT; 71 import static android.system.OsConstants.O_RDWR; 72 import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 73 import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 74 import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 75 import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 76 import static com.android.internal.util.ArrayUtils.appendInt; 77 import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 78 import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 79 import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 80 import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 81 import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 82 import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 83 import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 84 import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 85 86 import android.Manifest; 87 import android.app.ActivityManager; 88 import android.app.ActivityManagerNative; 89 import android.app.AppGlobals; 90 import android.app.IActivityManager; 91 import android.app.admin.IDevicePolicyManager; 92 import android.app.backup.IBackupManager; 93 import android.app.usage.UsageStats; 94 import android.app.usage.UsageStatsManager; 95 import android.content.BroadcastReceiver; 96 import android.content.ComponentName; 97 import android.content.Context; 98 import android.content.IIntentReceiver; 99 import android.content.Intent; 100 import android.content.IntentFilter; 101 import android.content.IntentSender; 102 import android.content.IntentSender.SendIntentException; 103 import android.content.ServiceConnection; 104 import android.content.pm.ActivityInfo; 105 import android.content.pm.ApplicationInfo; 106 import android.content.pm.FeatureInfo; 107 import android.content.pm.IOnPermissionsChangeListener; 108 import android.content.pm.IPackageDataObserver; 109 import android.content.pm.IPackageDeleteObserver; 110 import android.content.pm.IPackageDeleteObserver2; 111 import android.content.pm.IPackageInstallObserver2; 112 import android.content.pm.IPackageInstaller; 113 import android.content.pm.IPackageManager; 114 import android.content.pm.IPackageMoveObserver; 115 import android.content.pm.IPackageStatsObserver; 116 import android.content.pm.InstrumentationInfo; 117 import android.content.pm.IntentFilterVerificationInfo; 118 import android.content.pm.KeySet; 119 import android.content.pm.ManifestDigest; 120 import android.content.pm.PackageCleanItem; 121 import android.content.pm.PackageInfo; 122 import android.content.pm.PackageInfoLite; 123 import android.content.pm.PackageInstaller; 124 import android.content.pm.PackageManager; 125 import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 126 import android.content.pm.PackageManagerInternal; 127 import android.content.pm.PackageParser; 128 import android.content.pm.PackageParser.ActivityIntentInfo; 129 import android.content.pm.PackageParser.PackageLite; 130 import android.content.pm.PackageParser.PackageParserException; 131 import android.content.pm.PackageStats; 132 import android.content.pm.PackageUserState; 133 import android.content.pm.ParceledListSlice; 134 import android.content.pm.PermissionGroupInfo; 135 import android.content.pm.PermissionInfo; 136 import android.content.pm.ProviderInfo; 137 import android.content.pm.ResolveInfo; 138 import android.content.pm.ServiceInfo; 139 import android.content.pm.Signature; 140 import android.content.pm.UserInfo; 141 import android.content.pm.VerificationParams; 142 import android.content.pm.VerifierDeviceIdentity; 143 import android.content.pm.VerifierInfo; 144 import android.content.res.Resources; 145 import android.hardware.display.DisplayManager; 146 import android.net.Uri; 147 import android.os.Debug; 148 import android.os.Binder; 149 import android.os.Build; 150 import android.os.Bundle; 151 import android.os.Environment; 152 import android.os.Environment.UserEnvironment; 153 import android.os.FileUtils; 154 import android.os.Handler; 155 import android.os.IBinder; 156 import android.os.Looper; 157 import android.os.Message; 158 import android.os.Parcel; 159 import android.os.ParcelFileDescriptor; 160 import android.os.Process; 161 import android.os.RemoteCallbackList; 162 import android.os.RemoteException; 163 import android.os.SELinux; 164 import android.os.ServiceManager; 165 import android.os.SystemClock; 166 import android.os.SystemProperties; 167 import android.os.UserHandle; 168 import android.os.UserManager; 169 import android.os.storage.IMountService; 170 import android.os.storage.MountServiceInternal; 171 import android.os.storage.StorageEventListener; 172 import android.os.storage.StorageManager; 173 import android.os.storage.VolumeInfo; 174 import android.os.storage.VolumeRecord; 175 import android.security.KeyStore; 176 import android.security.SystemKeyStore; 177 import android.system.ErrnoException; 178 import android.system.Os; 179 import android.system.StructStat; 180 import android.text.TextUtils; 181 import android.text.format.DateUtils; 182 import android.util.ArrayMap; 183 import android.util.ArraySet; 184 import android.util.AtomicFile; 185 import android.util.DisplayMetrics; 186 import android.util.EventLog; 187 import android.util.ExceptionUtils; 188 import android.util.Log; 189 import android.util.LogPrinter; 190 import android.util.MathUtils; 191 import android.util.PrintStreamPrinter; 192 import android.util.Slog; 193 import android.util.SparseArray; 194 import android.util.SparseBooleanArray; 195 import android.util.SparseIntArray; 196 import android.util.Xml; 197 import android.view.Display; 198 199 import dalvik.system.DexFile; 200 import dalvik.system.VMRuntime; 201 202 import libcore.io.IoUtils; 203 import libcore.util.EmptyArray; 204 205 import com.android.internal.R; 206 import com.android.internal.annotations.GuardedBy; 207 import com.android.internal.app.IMediaContainerService; 208 import com.android.internal.app.ResolverActivity; 209 import com.android.internal.content.NativeLibraryHelper; 210 import com.android.internal.content.PackageHelper; 211 import com.android.internal.os.IParcelFileDescriptorFactory; 212 import com.android.internal.os.SomeArgs; 213 import com.android.internal.os.Zygote; 214 import com.android.internal.util.ArrayUtils; 215 import com.android.internal.util.FastPrintWriter; 216 import com.android.internal.util.FastXmlSerializer; 217 import com.android.internal.util.IndentingPrintWriter; 218 import com.android.internal.util.Preconditions; 219 import com.android.server.EventLogTags; 220 import com.android.server.FgThread; 221 import com.android.server.IntentResolver; 222 import com.android.server.LocalServices; 223 import com.android.server.ServiceThread; 224 import com.android.server.SystemConfig; 225 import com.android.server.Watchdog; 226 import com.android.server.pm.PermissionsState.PermissionState; 227 import com.android.server.pm.Settings.DatabaseVersion; 228 import com.android.server.pm.Settings.VersionInfo; 229 import com.android.server.storage.DeviceStorageMonitorInternal; 230 231 import org.xmlpull.v1.XmlPullParser; 232 import org.xmlpull.v1.XmlPullParserException; 233 import org.xmlpull.v1.XmlSerializer; 234 235 import java.io.BufferedInputStream; 236 import java.io.BufferedOutputStream; 237 import java.io.BufferedReader; 238 import java.io.ByteArrayInputStream; 239 import java.io.ByteArrayOutputStream; 240 import java.io.File; 241 import java.io.FileDescriptor; 242 import java.io.FileNotFoundException; 243 import java.io.FileOutputStream; 244 import java.io.FileReader; 245 import java.io.FilenameFilter; 246 import java.io.IOException; 247 import java.io.InputStream; 248 import java.io.PrintWriter; 249 import java.nio.charset.StandardCharsets; 250 import java.security.NoSuchAlgorithmException; 251 import java.security.PublicKey; 252 import java.security.cert.CertificateEncodingException; 253 import java.security.cert.CertificateException; 254 import java.text.SimpleDateFormat; 255 import java.util.ArrayList; 256 import java.util.Arrays; 257 import java.util.Collection; 258 import java.util.Collections; 259 import java.util.Comparator; 260 import java.util.Date; 261 import java.util.Iterator; 262 import java.util.List; 263 import java.util.Map; 264 import java.util.Objects; 265 import java.util.Set; 266 import java.util.concurrent.CountDownLatch; 267 import java.util.concurrent.TimeUnit; 268 import java.util.concurrent.atomic.AtomicBoolean; 269 import java.util.concurrent.atomic.AtomicInteger; 270 import java.util.concurrent.atomic.AtomicLong; 271 272 /** 273 * Keep track of all those .apks everywhere. 274 * 275 * This is very central to the platform's security; please run the unit 276 * tests whenever making modifications here: 277 * 278 mmm frameworks/base/tests/AndroidTests 279 adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 280 adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 281 * 282 * {@hide} 283 */ 284 public class PackageManagerService extends IPackageManager.Stub { 285 static final String TAG = "PackageManager"; 286 static final boolean DEBUG_SETTINGS = false; 287 static final boolean DEBUG_PREFERRED = false; 288 static final boolean DEBUG_UPGRADE = false; 289 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 290 private static final boolean DEBUG_BACKUP = false; 291 private static final boolean DEBUG_INSTALL = false; 292 private static final boolean DEBUG_REMOVE = false; 293 private static final boolean DEBUG_BROADCASTS = false; 294 private static final boolean DEBUG_SHOW_INFO = false; 295 private static final boolean DEBUG_PACKAGE_INFO = false; 296 private static final boolean DEBUG_INTENT_MATCHING = false; 297 private static final boolean DEBUG_PACKAGE_SCANNING = false; 298 private static final boolean DEBUG_VERIFY = false; 299 private static final boolean DEBUG_DEXOPT = false; 300 private static final boolean DEBUG_ABI_SELECTION = false; 301 302 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 303 304 private static final int RADIO_UID = Process.PHONE_UID; 305 private static final int LOG_UID = Process.LOG_UID; 306 private static final int NFC_UID = Process.NFC_UID; 307 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 308 private static final int SHELL_UID = Process.SHELL_UID; 309 310 // Cap the size of permission trees that 3rd party apps can define 311 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 312 313 // Suffix used during package installation when copying/moving 314 // package apks to install directory. 315 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 316 317 static final int SCAN_NO_DEX = 1<<1; 318 static final int SCAN_FORCE_DEX = 1<<2; 319 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 320 static final int SCAN_NEW_INSTALL = 1<<4; 321 static final int SCAN_NO_PATHS = 1<<5; 322 static final int SCAN_UPDATE_TIME = 1<<6; 323 static final int SCAN_DEFER_DEX = 1<<7; 324 static final int SCAN_BOOTING = 1<<8; 325 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 326 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 327 static final int SCAN_REPLACING = 1<<11; 328 static final int SCAN_REQUIRE_KNOWN = 1<<12; 329 static final int SCAN_MOVE = 1<<13; 330 static final int SCAN_INITIAL = 1<<14; 331 332 static final int REMOVE_CHATTY = 1<<16; 333 334 private static final int[] EMPTY_INT_ARRAY = new int[0]; 335 336 /** 337 * Timeout (in milliseconds) after which the watchdog should declare that 338 * our handler thread is wedged. The usual default for such things is one 339 * minute but we sometimes do very lengthy I/O operations on this thread, 340 * such as installing multi-gigabyte applications, so ours needs to be longer. 341 */ 342 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 343 344 /** 345 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 346 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 347 * settings entry if available, otherwise we use the hardcoded default. If it's been 348 * more than this long since the last fstrim, we force one during the boot sequence. 349 * 350 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 351 * one gets run at the next available charging+idle time. This final mandatory 352 * no-fstrim check kicks in only of the other scheduling criteria is never met. 353 */ 354 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 355 356 /** 357 * Whether verification is enabled by default. 358 */ 359 private static final boolean DEFAULT_VERIFY_ENABLE = true; 360 361 /** 362 * The default maximum time to wait for the verification agent to return in 363 * milliseconds. 364 */ 365 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 366 367 /** 368 * The default response for package verification timeout. 369 * 370 * This can be either PackageManager.VERIFICATION_ALLOW or 371 * PackageManager.VERIFICATION_REJECT. 372 */ 373 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 374 375 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 376 377 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 378 DEFAULT_CONTAINER_PACKAGE, 379 "com.android.defcontainer.DefaultContainerService"); 380 381 private static final String KILL_APP_REASON_GIDS_CHANGED = 382 "permission grant or revoke changed gids"; 383 384 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 385 "permissions revoked"; 386 387 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 388 389 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 390 391 /** Permission grant: not grant the permission. */ 392 private static final int GRANT_DENIED = 1; 393 394 /** Permission grant: grant the permission as an install permission. */ 395 private static final int GRANT_INSTALL = 2; 396 397 /** Permission grant: grant the permission as an install permission for a legacy app. */ 398 private static final int GRANT_INSTALL_LEGACY = 3; 399 400 /** Permission grant: grant the permission as a runtime one. */ 401 private static final int GRANT_RUNTIME = 4; 402 403 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 404 private static final int GRANT_UPGRADE = 5; 405 406 /** Canonical intent used to identify what counts as a "web browser" app */ 407 private static final Intent sBrowserIntent; 408 static { 409 sBrowserIntent = new Intent(); 410 sBrowserIntent.setAction(Intent.ACTION_VIEW); 411 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 412 sBrowserIntent.setData(Uri.parse("http:")); 413 } 414 415 final ServiceThread mHandlerThread; 416 417 final PackageHandler mHandler; 418 419 /** 420 * Messages for {@link #mHandler} that need to wait for system ready before 421 * being dispatched. 422 */ 423 private ArrayList<Message> mPostSystemReadyMessages; 424 425 final int mSdkVersion = Build.VERSION.SDK_INT; 426 427 final Context mContext; 428 final boolean mFactoryTest; 429 final boolean mOnlyCore; 430 final boolean mLazyDexOpt; 431 final long mDexOptLRUThresholdInMills; 432 final DisplayMetrics mMetrics; 433 final int mDefParseFlags; 434 final String[] mSeparateProcesses; 435 final boolean mIsUpgrade; 436 437 // This is where all application persistent data goes. 438 final File mAppDataDir; 439 440 // This is where all application persistent data goes for secondary users. 441 final File mUserAppDataDir; 442 443 /** The location for ASEC container files on internal storage. */ 444 final String mAsecInternalPath; 445 446 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 447 // LOCK HELD. Can be called with mInstallLock held. 448 @GuardedBy("mInstallLock") 449 final Installer mInstaller; 450 451 /** Directory where installed third-party apps stored */ 452 final File mAppInstallDir; 453 454 /** 455 * Directory to which applications installed internally have their 456 * 32 bit native libraries copied. 457 */ 458 private File mAppLib32InstallDir; 459 460 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 461 // apps. 462 final File mDrmAppPrivateInstallDir; 463 464 // ---------------------------------------------------------------- 465 466 // Lock for state used when installing and doing other long running 467 // operations. Methods that must be called with this lock held have 468 // the suffix "LI". 469 final Object mInstallLock = new Object(); 470 471 // ---------------------------------------------------------------- 472 473 // Keys are String (package name), values are Package. This also serves 474 // as the lock for the global state. Methods that must be called with 475 // this lock held have the prefix "LP". 476 @GuardedBy("mPackages") 477 final ArrayMap<String, PackageParser.Package> mPackages = 478 new ArrayMap<String, PackageParser.Package>(); 479 480 // Tracks available target package names -> overlay package paths. 481 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 482 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 483 484 /** 485 * Tracks new system packages [received in an OTA] that we expect to 486 * find updated user-installed versions. Keys are package name, values 487 * are package location. 488 */ 489 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 490 491 /** 492 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 493 */ 494 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 495 /** 496 * Whether or not system app permissions should be promoted from install to runtime. 497 */ 498 boolean mPromoteSystemApps; 499 500 final Settings mSettings; 501 boolean mRestoredSettings; 502 503 // System configuration read by SystemConfig. 504 final int[] mGlobalGids; 505 final SparseArray<ArraySet<String>> mSystemPermissions; 506 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 507 508 // If mac_permissions.xml was found for seinfo labeling. 509 boolean mFoundPolicyFile; 510 511 // If a recursive restorecon of /data/data/<pkg> is needed. 512 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 513 514 public static final class SharedLibraryEntry { 515 public final String path; 516 public final String apk; 517 518 SharedLibraryEntry(String _path, String _apk) { 519 path = _path; 520 apk = _apk; 521 } 522 } 523 524 // Currently known shared libraries. 525 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 526 new ArrayMap<String, SharedLibraryEntry>(); 527 528 // All available activities, for your resolving pleasure. 529 final ActivityIntentResolver mActivities = 530 new ActivityIntentResolver(); 531 532 // All available receivers, for your resolving pleasure. 533 final ActivityIntentResolver mReceivers = 534 new ActivityIntentResolver(); 535 536 // All available services, for your resolving pleasure. 537 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 538 539 // All available providers, for your resolving pleasure. 540 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 541 542 // Mapping from provider base names (first directory in content URI codePath) 543 // to the provider information. 544 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 545 new ArrayMap<String, PackageParser.Provider>(); 546 547 // Mapping from instrumentation class names to info about them. 548 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 549 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 550 551 // Mapping from permission names to info about them. 552 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 553 new ArrayMap<String, PackageParser.PermissionGroup>(); 554 555 // Packages whose data we have transfered into another package, thus 556 // should no longer exist. 557 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 558 559 // Broadcast actions that are only available to the system. 560 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 561 562 /** List of packages waiting for verification. */ 563 final SparseArray<PackageVerificationState> mPendingVerification 564 = new SparseArray<PackageVerificationState>(); 565 566 /** Set of packages associated with each app op permission. */ 567 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 568 569 final PackageInstallerService mInstallerService; 570 571 private final PackageDexOptimizer mPackageDexOptimizer; 572 573 private AtomicInteger mNextMoveId = new AtomicInteger(); 574 private final MoveCallbacks mMoveCallbacks; 575 576 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 577 578 // Cache of users who need badging. 579 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 580 581 /** Token for keys in mPendingVerification. */ 582 private int mPendingVerificationToken = 0; 583 584 volatile boolean mSystemReady; 585 volatile boolean mSafeMode; 586 volatile boolean mHasSystemUidErrors; 587 588 ApplicationInfo mAndroidApplication; 589 final ActivityInfo mResolveActivity = new ActivityInfo(); 590 final ResolveInfo mResolveInfo = new ResolveInfo(); 591 ComponentName mResolveComponentName; 592 PackageParser.Package mPlatformPackage; 593 ComponentName mCustomResolverComponentName; 594 595 boolean mResolverReplaced = false; 596 597 private final ComponentName mIntentFilterVerifierComponent; 598 private int mIntentFilterVerificationToken = 0; 599 600 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 601 = new SparseArray<IntentFilterVerificationState>(); 602 603 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 604 new DefaultPermissionGrantPolicy(this); 605 606 private static class IFVerificationParams { 607 PackageParser.Package pkg; 608 boolean replacing; 609 int userId; 610 int verifierUid; 611 612 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 613 int _userId, int _verifierUid) { 614 pkg = _pkg; 615 replacing = _replacing; 616 userId = _userId; 617 replacing = _replacing; 618 verifierUid = _verifierUid; 619 } 620 } 621 622 private interface IntentFilterVerifier<T extends IntentFilter> { 623 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 624 T filter, String packageName); 625 void startVerifications(int userId); 626 void receiveVerificationResponse(int verificationId); 627 } 628 629 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 630 private Context mContext; 631 private ComponentName mIntentFilterVerifierComponent; 632 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 633 634 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 635 mContext = context; 636 mIntentFilterVerifierComponent = verifierComponent; 637 } 638 639 private String getDefaultScheme() { 640 return IntentFilter.SCHEME_HTTPS; 641 } 642 643 @Override 644 public void startVerifications(int userId) { 645 // Launch verifications requests 646 int count = mCurrentIntentFilterVerifications.size(); 647 for (int n=0; n<count; n++) { 648 int verificationId = mCurrentIntentFilterVerifications.get(n); 649 final IntentFilterVerificationState ivs = 650 mIntentFilterVerificationStates.get(verificationId); 651 652 String packageName = ivs.getPackageName(); 653 654 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 655 final int filterCount = filters.size(); 656 ArraySet<String> domainsSet = new ArraySet<>(); 657 for (int m=0; m<filterCount; m++) { 658 PackageParser.ActivityIntentInfo filter = filters.get(m); 659 domainsSet.addAll(filter.getHostsList()); 660 } 661 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 662 synchronized (mPackages) { 663 if (mSettings.createIntentFilterVerificationIfNeededLPw( 664 packageName, domainsList) != null) { 665 scheduleWriteSettingsLocked(); 666 } 667 } 668 sendVerificationRequest(userId, verificationId, ivs); 669 } 670 mCurrentIntentFilterVerifications.clear(); 671 } 672 673 private void sendVerificationRequest(int userId, int verificationId, 674 IntentFilterVerificationState ivs) { 675 676 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 677 verificationIntent.putExtra( 678 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 679 verificationId); 680 verificationIntent.putExtra( 681 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 682 getDefaultScheme()); 683 verificationIntent.putExtra( 684 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 685 ivs.getHostsString()); 686 verificationIntent.putExtra( 687 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 688 ivs.getPackageName()); 689 verificationIntent.setComponent(mIntentFilterVerifierComponent); 690 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 691 692 UserHandle user = new UserHandle(userId); 693 mContext.sendBroadcastAsUser(verificationIntent, user); 694 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 695 "Sending IntentFilter verification broadcast"); 696 } 697 698 public void receiveVerificationResponse(int verificationId) { 699 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 700 701 final boolean verified = ivs.isVerified(); 702 703 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 704 final int count = filters.size(); 705 if (DEBUG_DOMAIN_VERIFICATION) { 706 Slog.i(TAG, "Received verification response " + verificationId 707 + " for " + count + " filters, verified=" + verified); 708 } 709 for (int n=0; n<count; n++) { 710 PackageParser.ActivityIntentInfo filter = filters.get(n); 711 filter.setVerified(verified); 712 713 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 714 + " verified with result:" + verified + " and hosts:" 715 + ivs.getHostsString()); 716 } 717 718 mIntentFilterVerificationStates.remove(verificationId); 719 720 final String packageName = ivs.getPackageName(); 721 IntentFilterVerificationInfo ivi = null; 722 723 synchronized (mPackages) { 724 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 725 } 726 if (ivi == null) { 727 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 728 + verificationId + " packageName:" + packageName); 729 return; 730 } 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Updating IntentFilterVerificationInfo for package " + packageName 733 +" verificationId:" + verificationId); 734 735 synchronized (mPackages) { 736 if (verified) { 737 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 738 } else { 739 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 740 } 741 scheduleWriteSettingsLocked(); 742 743 final int userId = ivs.getUserId(); 744 if (userId != UserHandle.USER_ALL) { 745 final int userStatus = 746 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 747 748 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 749 boolean needUpdate = false; 750 751 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 752 // already been set by the User thru the Disambiguation dialog 753 switch (userStatus) { 754 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 755 if (verified) { 756 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 757 } else { 758 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 759 } 760 needUpdate = true; 761 break; 762 763 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 764 if (verified) { 765 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 766 needUpdate = true; 767 } 768 break; 769 770 default: 771 // Nothing to do 772 } 773 774 if (needUpdate) { 775 mSettings.updateIntentFilterVerificationStatusLPw( 776 packageName, updatedStatus, userId); 777 scheduleWritePackageRestrictionsLocked(userId); 778 } 779 } 780 } 781 } 782 783 @Override 784 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 785 ActivityIntentInfo filter, String packageName) { 786 if (!hasValidDomains(filter)) { 787 return false; 788 } 789 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 790 if (ivs == null) { 791 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 792 packageName); 793 } 794 if (DEBUG_DOMAIN_VERIFICATION) { 795 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 796 } 797 ivs.addFilter(filter); 798 return true; 799 } 800 801 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 802 int userId, int verificationId, String packageName) { 803 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 804 verifierUid, userId, packageName); 805 ivs.setPendingState(); 806 synchronized (mPackages) { 807 mIntentFilterVerificationStates.append(verificationId, ivs); 808 mCurrentIntentFilterVerifications.add(verificationId); 809 } 810 return ivs; 811 } 812 } 813 814 private static boolean hasValidDomains(ActivityIntentInfo filter) { 815 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 816 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 817 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 818 } 819 820 private IntentFilterVerifier mIntentFilterVerifier; 821 822 // Set of pending broadcasts for aggregating enable/disable of components. 823 static class PendingPackageBroadcasts { 824 // for each user id, a map of <package name -> components within that package> 825 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 826 827 public PendingPackageBroadcasts() { 828 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 829 } 830 831 public ArrayList<String> get(int userId, String packageName) { 832 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 833 return packages.get(packageName); 834 } 835 836 public void put(int userId, String packageName, ArrayList<String> components) { 837 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 838 packages.put(packageName, components); 839 } 840 841 public void remove(int userId, String packageName) { 842 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 843 if (packages != null) { 844 packages.remove(packageName); 845 } 846 } 847 848 public void remove(int userId) { 849 mUidMap.remove(userId); 850 } 851 852 public int userIdCount() { 853 return mUidMap.size(); 854 } 855 856 public int userIdAt(int n) { 857 return mUidMap.keyAt(n); 858 } 859 860 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 861 return mUidMap.get(userId); 862 } 863 864 public int size() { 865 // total number of pending broadcast entries across all userIds 866 int num = 0; 867 for (int i = 0; i< mUidMap.size(); i++) { 868 num += mUidMap.valueAt(i).size(); 869 } 870 return num; 871 } 872 873 public void clear() { 874 mUidMap.clear(); 875 } 876 877 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 878 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 879 if (map == null) { 880 map = new ArrayMap<String, ArrayList<String>>(); 881 mUidMap.put(userId, map); 882 } 883 return map; 884 } 885 } 886 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 887 888 // Service Connection to remote media container service to copy 889 // package uri's from external media onto secure containers 890 // or internal storage. 891 private IMediaContainerService mContainerService = null; 892 893 static final int SEND_PENDING_BROADCAST = 1; 894 static final int MCS_BOUND = 3; 895 static final int END_COPY = 4; 896 static final int INIT_COPY = 5; 897 static final int MCS_UNBIND = 6; 898 static final int START_CLEANING_PACKAGE = 7; 899 static final int FIND_INSTALL_LOC = 8; 900 static final int POST_INSTALL = 9; 901 static final int MCS_RECONNECT = 10; 902 static final int MCS_GIVE_UP = 11; 903 static final int UPDATED_MEDIA_STATUS = 12; 904 static final int WRITE_SETTINGS = 13; 905 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 906 static final int PACKAGE_VERIFIED = 15; 907 static final int CHECK_PENDING_VERIFICATION = 16; 908 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 909 static final int INTENT_FILTER_VERIFIED = 18; 910 911 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 912 913 // Delay time in millisecs 914 static final int BROADCAST_DELAY = 10 * 1000; 915 916 static UserManagerService sUserManager; 917 918 // Stores a list of users whose package restrictions file needs to be updated 919 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 920 921 final private DefaultContainerConnection mDefContainerConn = 922 new DefaultContainerConnection(); 923 class DefaultContainerConnection implements ServiceConnection { 924 public void onServiceConnected(ComponentName name, IBinder service) { 925 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 926 IMediaContainerService imcs = 927 IMediaContainerService.Stub.asInterface(service); 928 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 929 } 930 931 public void onServiceDisconnected(ComponentName name) { 932 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 933 } 934 } 935 936 // Recordkeeping of restore-after-install operations that are currently in flight 937 // between the Package Manager and the Backup Manager 938 class PostInstallData { 939 public InstallArgs args; 940 public PackageInstalledInfo res; 941 942 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 943 args = _a; 944 res = _r; 945 } 946 } 947 948 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 949 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 950 951 // XML tags for backup/restore of various bits of state 952 private static final String TAG_PREFERRED_BACKUP = "pa"; 953 private static final String TAG_DEFAULT_APPS = "da"; 954 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 955 956 final String mRequiredVerifierPackage; 957 final String mRequiredInstallerPackage; 958 959 private final PackageUsage mPackageUsage = new PackageUsage(); 960 961 private class PackageUsage { 962 private static final int WRITE_INTERVAL 963 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 964 965 private final Object mFileLock = new Object(); 966 private final AtomicLong mLastWritten = new AtomicLong(0); 967 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 968 969 private boolean mIsHistoricalPackageUsageAvailable = true; 970 971 boolean isHistoricalPackageUsageAvailable() { 972 return mIsHistoricalPackageUsageAvailable; 973 } 974 975 void write(boolean force) { 976 if (force) { 977 writeInternal(); 978 return; 979 } 980 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 981 && !DEBUG_DEXOPT) { 982 return; 983 } 984 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 985 new Thread("PackageUsage_DiskWriter") { 986 @Override 987 public void run() { 988 try { 989 writeInternal(); 990 } finally { 991 mBackgroundWriteRunning.set(false); 992 } 993 } 994 }.start(); 995 } 996 } 997 998 private void writeInternal() { 999 synchronized (mPackages) { 1000 synchronized (mFileLock) { 1001 AtomicFile file = getFile(); 1002 FileOutputStream f = null; 1003 try { 1004 f = file.startWrite(); 1005 BufferedOutputStream out = new BufferedOutputStream(f); 1006 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1007 StringBuilder sb = new StringBuilder(); 1008 for (PackageParser.Package pkg : mPackages.values()) { 1009 if (pkg.mLastPackageUsageTimeInMills == 0) { 1010 continue; 1011 } 1012 sb.setLength(0); 1013 sb.append(pkg.packageName); 1014 sb.append(' '); 1015 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1016 sb.append('\n'); 1017 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1018 } 1019 out.flush(); 1020 file.finishWrite(f); 1021 } catch (IOException e) { 1022 if (f != null) { 1023 file.failWrite(f); 1024 } 1025 Log.e(TAG, "Failed to write package usage times", e); 1026 } 1027 } 1028 } 1029 mLastWritten.set(SystemClock.elapsedRealtime()); 1030 } 1031 1032 void readLP() { 1033 synchronized (mFileLock) { 1034 AtomicFile file = getFile(); 1035 BufferedInputStream in = null; 1036 try { 1037 in = new BufferedInputStream(file.openRead()); 1038 StringBuffer sb = new StringBuffer(); 1039 while (true) { 1040 String packageName = readToken(in, sb, ' '); 1041 if (packageName == null) { 1042 break; 1043 } 1044 String timeInMillisString = readToken(in, sb, '\n'); 1045 if (timeInMillisString == null) { 1046 throw new IOException("Failed to find last usage time for package " 1047 + packageName); 1048 } 1049 PackageParser.Package pkg = mPackages.get(packageName); 1050 if (pkg == null) { 1051 continue; 1052 } 1053 long timeInMillis; 1054 try { 1055 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1056 } catch (NumberFormatException e) { 1057 throw new IOException("Failed to parse " + timeInMillisString 1058 + " as a long.", e); 1059 } 1060 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1061 } 1062 } catch (FileNotFoundException expected) { 1063 mIsHistoricalPackageUsageAvailable = false; 1064 } catch (IOException e) { 1065 Log.w(TAG, "Failed to read package usage times", e); 1066 } finally { 1067 IoUtils.closeQuietly(in); 1068 } 1069 } 1070 mLastWritten.set(SystemClock.elapsedRealtime()); 1071 } 1072 1073 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1074 throws IOException { 1075 sb.setLength(0); 1076 while (true) { 1077 int ch = in.read(); 1078 if (ch == -1) { 1079 if (sb.length() == 0) { 1080 return null; 1081 } 1082 throw new IOException("Unexpected EOF"); 1083 } 1084 if (ch == endOfToken) { 1085 return sb.toString(); 1086 } 1087 sb.append((char)ch); 1088 } 1089 } 1090 1091 private AtomicFile getFile() { 1092 File dataDir = Environment.getDataDirectory(); 1093 File systemDir = new File(dataDir, "system"); 1094 File fname = new File(systemDir, "package-usage.list"); 1095 return new AtomicFile(fname); 1096 } 1097 } 1098 1099 class PackageHandler extends Handler { 1100 private boolean mBound = false; 1101 final ArrayList<HandlerParams> mPendingInstalls = 1102 new ArrayList<HandlerParams>(); 1103 1104 private boolean connectToService() { 1105 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1106 " DefaultContainerService"); 1107 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1109 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1110 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 mBound = true; 1113 return true; 1114 } 1115 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1116 return false; 1117 } 1118 1119 private void disconnectService() { 1120 mContainerService = null; 1121 mBound = false; 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1123 mContext.unbindService(mDefContainerConn); 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1125 } 1126 1127 PackageHandler(Looper looper) { 1128 super(looper); 1129 } 1130 1131 public void handleMessage(Message msg) { 1132 try { 1133 doHandleMessage(msg); 1134 } finally { 1135 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1136 } 1137 } 1138 1139 void doHandleMessage(Message msg) { 1140 switch (msg.what) { 1141 case INIT_COPY: { 1142 HandlerParams params = (HandlerParams) msg.obj; 1143 int idx = mPendingInstalls.size(); 1144 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1145 // If a bind was already initiated we dont really 1146 // need to do anything. The pending install 1147 // will be processed later on. 1148 if (!mBound) { 1149 // If this is the only one pending we might 1150 // have to bind to the service again. 1151 if (!connectToService()) { 1152 Slog.e(TAG, "Failed to bind to media container service"); 1153 params.serviceError(); 1154 return; 1155 } else { 1156 // Once we bind to the service, the first 1157 // pending request will be processed. 1158 mPendingInstalls.add(idx, params); 1159 } 1160 } else { 1161 mPendingInstalls.add(idx, params); 1162 // Already bound to the service. Just make 1163 // sure we trigger off processing the first request. 1164 if (idx == 0) { 1165 mHandler.sendEmptyMessage(MCS_BOUND); 1166 } 1167 } 1168 break; 1169 } 1170 case MCS_BOUND: { 1171 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1172 if (msg.obj != null) { 1173 mContainerService = (IMediaContainerService) msg.obj; 1174 } 1175 if (mContainerService == null) { 1176 if (!mBound) { 1177 // Something seriously wrong since we are not bound and we are not 1178 // waiting for connection. Bail out. 1179 Slog.e(TAG, "Cannot bind to media container service"); 1180 for (HandlerParams params : mPendingInstalls) { 1181 // Indicate service bind error 1182 params.serviceError(); 1183 } 1184 mPendingInstalls.clear(); 1185 } else { 1186 Slog.w(TAG, "Waiting to connect to media container service"); 1187 } 1188 } else if (mPendingInstalls.size() > 0) { 1189 HandlerParams params = mPendingInstalls.get(0); 1190 if (params != null) { 1191 if (params.startCopy()) { 1192 // We are done... look for more work or to 1193 // go idle. 1194 if (DEBUG_SD_INSTALL) Log.i(TAG, 1195 "Checking for more work or unbind..."); 1196 // Delete pending install 1197 if (mPendingInstalls.size() > 0) { 1198 mPendingInstalls.remove(0); 1199 } 1200 if (mPendingInstalls.size() == 0) { 1201 if (mBound) { 1202 if (DEBUG_SD_INSTALL) Log.i(TAG, 1203 "Posting delayed MCS_UNBIND"); 1204 removeMessages(MCS_UNBIND); 1205 Message ubmsg = obtainMessage(MCS_UNBIND); 1206 // Unbind after a little delay, to avoid 1207 // continual thrashing. 1208 sendMessageDelayed(ubmsg, 10000); 1209 } 1210 } else { 1211 // There are more pending requests in queue. 1212 // Just post MCS_BOUND message to trigger processing 1213 // of next pending install. 1214 if (DEBUG_SD_INSTALL) Log.i(TAG, 1215 "Posting MCS_BOUND for next work"); 1216 mHandler.sendEmptyMessage(MCS_BOUND); 1217 } 1218 } 1219 } 1220 } else { 1221 // Should never happen ideally. 1222 Slog.w(TAG, "Empty queue"); 1223 } 1224 break; 1225 } 1226 case MCS_RECONNECT: { 1227 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1228 if (mPendingInstalls.size() > 0) { 1229 if (mBound) { 1230 disconnectService(); 1231 } 1232 if (!connectToService()) { 1233 Slog.e(TAG, "Failed to bind to media container service"); 1234 for (HandlerParams params : mPendingInstalls) { 1235 // Indicate service bind error 1236 params.serviceError(); 1237 } 1238 mPendingInstalls.clear(); 1239 } 1240 } 1241 break; 1242 } 1243 case MCS_UNBIND: { 1244 // If there is no actual work left, then time to unbind. 1245 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1246 1247 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1248 if (mBound) { 1249 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1250 1251 disconnectService(); 1252 } 1253 } else if (mPendingInstalls.size() > 0) { 1254 // There are more pending requests in queue. 1255 // Just post MCS_BOUND message to trigger processing 1256 // of next pending install. 1257 mHandler.sendEmptyMessage(MCS_BOUND); 1258 } 1259 1260 break; 1261 } 1262 case MCS_GIVE_UP: { 1263 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1264 mPendingInstalls.remove(0); 1265 break; 1266 } 1267 case SEND_PENDING_BROADCAST: { 1268 String packages[]; 1269 ArrayList<String> components[]; 1270 int size = 0; 1271 int uids[]; 1272 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1273 synchronized (mPackages) { 1274 if (mPendingBroadcasts == null) { 1275 return; 1276 } 1277 size = mPendingBroadcasts.size(); 1278 if (size <= 0) { 1279 // Nothing to be done. Just return 1280 return; 1281 } 1282 packages = new String[size]; 1283 components = new ArrayList[size]; 1284 uids = new int[size]; 1285 int i = 0; // filling out the above arrays 1286 1287 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1288 int packageUserId = mPendingBroadcasts.userIdAt(n); 1289 Iterator<Map.Entry<String, ArrayList<String>>> it 1290 = mPendingBroadcasts.packagesForUserId(packageUserId) 1291 .entrySet().iterator(); 1292 while (it.hasNext() && i < size) { 1293 Map.Entry<String, ArrayList<String>> ent = it.next(); 1294 packages[i] = ent.getKey(); 1295 components[i] = ent.getValue(); 1296 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1297 uids[i] = (ps != null) 1298 ? UserHandle.getUid(packageUserId, ps.appId) 1299 : -1; 1300 i++; 1301 } 1302 } 1303 size = i; 1304 mPendingBroadcasts.clear(); 1305 } 1306 // Send broadcasts 1307 for (int i = 0; i < size; i++) { 1308 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1309 } 1310 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1311 break; 1312 } 1313 case START_CLEANING_PACKAGE: { 1314 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1315 final String packageName = (String)msg.obj; 1316 final int userId = msg.arg1; 1317 final boolean andCode = msg.arg2 != 0; 1318 synchronized (mPackages) { 1319 if (userId == UserHandle.USER_ALL) { 1320 int[] users = sUserManager.getUserIds(); 1321 for (int user : users) { 1322 mSettings.addPackageToCleanLPw( 1323 new PackageCleanItem(user, packageName, andCode)); 1324 } 1325 } else { 1326 mSettings.addPackageToCleanLPw( 1327 new PackageCleanItem(userId, packageName, andCode)); 1328 } 1329 } 1330 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1331 startCleaningPackages(); 1332 } break; 1333 case POST_INSTALL: { 1334 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1335 PostInstallData data = mRunningInstalls.get(msg.arg1); 1336 mRunningInstalls.delete(msg.arg1); 1337 boolean deleteOld = false; 1338 1339 if (data != null) { 1340 InstallArgs args = data.args; 1341 PackageInstalledInfo res = data.res; 1342 1343 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1344 final String packageName = res.pkg.applicationInfo.packageName; 1345 res.removedInfo.sendBroadcast(false, true, false); 1346 Bundle extras = new Bundle(1); 1347 extras.putInt(Intent.EXTRA_UID, res.uid); 1348 1349 // Now that we successfully installed the package, grant runtime 1350 // permissions if requested before broadcasting the install. 1351 if ((args.installFlags 1352 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1353 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1354 args.installGrantPermissions); 1355 } 1356 1357 // Determine the set of users who are adding this 1358 // package for the first time vs. those who are seeing 1359 // an update. 1360 int[] firstUsers; 1361 int[] updateUsers = new int[0]; 1362 if (res.origUsers == null || res.origUsers.length == 0) { 1363 firstUsers = res.newUsers; 1364 } else { 1365 firstUsers = new int[0]; 1366 for (int i=0; i<res.newUsers.length; i++) { 1367 int user = res.newUsers[i]; 1368 boolean isNew = true; 1369 for (int j=0; j<res.origUsers.length; j++) { 1370 if (res.origUsers[j] == user) { 1371 isNew = false; 1372 break; 1373 } 1374 } 1375 if (isNew) { 1376 int[] newFirst = new int[firstUsers.length+1]; 1377 System.arraycopy(firstUsers, 0, newFirst, 0, 1378 firstUsers.length); 1379 newFirst[firstUsers.length] = user; 1380 firstUsers = newFirst; 1381 } else { 1382 int[] newUpdate = new int[updateUsers.length+1]; 1383 System.arraycopy(updateUsers, 0, newUpdate, 0, 1384 updateUsers.length); 1385 newUpdate[updateUsers.length] = user; 1386 updateUsers = newUpdate; 1387 } 1388 } 1389 } 1390 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1391 packageName, extras, null, null, firstUsers); 1392 final boolean update = res.removedInfo.removedPackage != null; 1393 if (update) { 1394 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1395 } 1396 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1397 packageName, extras, null, null, updateUsers); 1398 if (update) { 1399 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1400 packageName, extras, null, null, updateUsers); 1401 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1402 null, null, packageName, null, updateUsers); 1403 1404 // treat asec-hosted packages like removable media on upgrade 1405 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1406 if (DEBUG_INSTALL) { 1407 Slog.i(TAG, "upgrading pkg " + res.pkg 1408 + " is ASEC-hosted -> AVAILABLE"); 1409 } 1410 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1411 ArrayList<String> pkgList = new ArrayList<String>(1); 1412 pkgList.add(packageName); 1413 sendResourcesChangedBroadcast(true, true, 1414 pkgList,uidArray, null); 1415 } 1416 } 1417 if (res.removedInfo.args != null) { 1418 // Remove the replaced package's older resources safely now 1419 deleteOld = true; 1420 } 1421 1422 // If this app is a browser and it's newly-installed for some 1423 // users, clear any default-browser state in those users 1424 if (firstUsers.length > 0) { 1425 // the app's nature doesn't depend on the user, so we can just 1426 // check its browser nature in any user and generalize. 1427 if (packageIsBrowser(packageName, firstUsers[0])) { 1428 synchronized (mPackages) { 1429 for (int userId : firstUsers) { 1430 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1431 } 1432 } 1433 } 1434 } 1435 // Log current value of "unknown sources" setting 1436 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1437 getUnknownSourcesSettings()); 1438 } 1439 // Force a gc to clear up things 1440 Runtime.getRuntime().gc(); 1441 // We delete after a gc for applications on sdcard. 1442 if (deleteOld) { 1443 synchronized (mInstallLock) { 1444 res.removedInfo.args.doPostDeleteLI(true); 1445 } 1446 } 1447 if (args.observer != null) { 1448 try { 1449 Bundle extras = extrasForInstallResult(res); 1450 args.observer.onPackageInstalled(res.name, res.returnCode, 1451 res.returnMsg, extras); 1452 } catch (RemoteException e) { 1453 Slog.i(TAG, "Observer no longer exists."); 1454 } 1455 } 1456 } else { 1457 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1458 } 1459 } break; 1460 case UPDATED_MEDIA_STATUS: { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1462 boolean reportStatus = msg.arg1 == 1; 1463 boolean doGc = msg.arg2 == 1; 1464 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1465 if (doGc) { 1466 // Force a gc to clear up stale containers. 1467 Runtime.getRuntime().gc(); 1468 } 1469 if (msg.obj != null) { 1470 @SuppressWarnings("unchecked") 1471 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1472 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1473 // Unload containers 1474 unloadAllContainers(args); 1475 } 1476 if (reportStatus) { 1477 try { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1479 PackageHelper.getMountService().finishMediaUpdate(); 1480 } catch (RemoteException e) { 1481 Log.e(TAG, "MountService not running?"); 1482 } 1483 } 1484 } break; 1485 case WRITE_SETTINGS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_SETTINGS); 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 mSettings.writeLPr(); 1491 mDirtyUsers.clear(); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 } break; 1495 case WRITE_PACKAGE_RESTRICTIONS: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 synchronized (mPackages) { 1498 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1499 for (int userId : mDirtyUsers) { 1500 mSettings.writePackageRestrictionsLPr(userId); 1501 } 1502 mDirtyUsers.clear(); 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 } break; 1506 case CHECK_PENDING_VERIFICATION: { 1507 final int verificationId = msg.arg1; 1508 final PackageVerificationState state = mPendingVerification.get(verificationId); 1509 1510 if ((state != null) && !state.timeoutExtended()) { 1511 final InstallArgs args = state.getInstallArgs(); 1512 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1513 1514 Slog.i(TAG, "Verification timed out for " + originUri); 1515 mPendingVerification.remove(verificationId); 1516 1517 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1518 1519 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1520 Slog.i(TAG, "Continuing with installation of " + originUri); 1521 state.setVerifierResponse(Binder.getCallingUid(), 1522 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_ALLOW, 1525 state.getInstallArgs().getUser()); 1526 try { 1527 ret = args.copyApk(mContainerService, true); 1528 } catch (RemoteException e) { 1529 Slog.e(TAG, "Could not contact the ContainerService"); 1530 } 1531 } else { 1532 broadcastPackageVerified(verificationId, originUri, 1533 PackageManager.VERIFICATION_REJECT, 1534 state.getInstallArgs().getUser()); 1535 } 1536 1537 processPendingInstall(args, ret); 1538 mHandler.sendEmptyMessage(MCS_UNBIND); 1539 } 1540 break; 1541 } 1542 case PACKAGE_VERIFIED: { 1543 final int verificationId = msg.arg1; 1544 1545 final PackageVerificationState state = mPendingVerification.get(verificationId); 1546 if (state == null) { 1547 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1548 break; 1549 } 1550 1551 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1552 1553 state.setVerifierResponse(response.callerUid, response.code); 1554 1555 if (state.isVerificationComplete()) { 1556 mPendingVerification.remove(verificationId); 1557 1558 final InstallArgs args = state.getInstallArgs(); 1559 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1560 1561 int ret; 1562 if (state.isInstallAllowed()) { 1563 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1564 broadcastPackageVerified(verificationId, originUri, 1565 response.code, state.getInstallArgs().getUser()); 1566 try { 1567 ret = args.copyApk(mContainerService, true); 1568 } catch (RemoteException e) { 1569 Slog.e(TAG, "Could not contact the ContainerService"); 1570 } 1571 } else { 1572 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1573 } 1574 1575 processPendingInstall(args, ret); 1576 1577 mHandler.sendEmptyMessage(MCS_UNBIND); 1578 } 1579 1580 break; 1581 } 1582 case START_INTENT_FILTER_VERIFICATIONS: { 1583 IFVerificationParams params = (IFVerificationParams) msg.obj; 1584 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1585 params.replacing, params.pkg); 1586 break; 1587 } 1588 case INTENT_FILTER_VERIFIED: { 1589 final int verificationId = msg.arg1; 1590 1591 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1592 verificationId); 1593 if (state == null) { 1594 Slog.w(TAG, "Invalid IntentFilter verification token " 1595 + verificationId + " received"); 1596 break; 1597 } 1598 1599 final int userId = state.getUserId(); 1600 1601 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1602 "Processing IntentFilter verification with token:" 1603 + verificationId + " and userId:" + userId); 1604 1605 final IntentFilterVerificationResponse response = 1606 (IntentFilterVerificationResponse) msg.obj; 1607 1608 state.setVerifierResponse(response.callerUid, response.code); 1609 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " and userId:" + userId 1613 + " is settings verifier response with response code:" 1614 + response.code); 1615 1616 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1617 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1618 + response.getFailedDomainsString()); 1619 } 1620 1621 if (state.isVerificationComplete()) { 1622 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1623 } else { 1624 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1625 "IntentFilter verification with token:" + verificationId 1626 + " was not said to be complete"); 1627 } 1628 1629 break; 1630 } 1631 } 1632 } 1633 } 1634 1635 private StorageEventListener mStorageListener = new StorageEventListener() { 1636 @Override 1637 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1638 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1639 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1640 final String volumeUuid = vol.getFsUuid(); 1641 1642 // Clean up any users or apps that were removed or recreated 1643 // while this volume was missing 1644 reconcileUsers(volumeUuid); 1645 reconcileApps(volumeUuid); 1646 1647 // Clean up any install sessions that expired or were 1648 // cancelled while this volume was missing 1649 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1650 1651 loadPrivatePackages(vol); 1652 1653 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1654 unloadPrivatePackages(vol); 1655 } 1656 } 1657 1658 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1659 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1660 updateExternalMediaStatus(true, false); 1661 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1662 updateExternalMediaStatus(false, false); 1663 } 1664 } 1665 } 1666 1667 @Override 1668 public void onVolumeForgotten(String fsUuid) { 1669 if (TextUtils.isEmpty(fsUuid)) { 1670 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1671 return; 1672 } 1673 1674 // Remove any apps installed on the forgotten volume 1675 synchronized (mPackages) { 1676 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1677 for (PackageSetting ps : packages) { 1678 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1679 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1680 UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS); 1681 } 1682 1683 mSettings.onVolumeForgotten(fsUuid); 1684 mSettings.writeLPr(); 1685 } 1686 } 1687 }; 1688 1689 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1690 String[] grantedPermissions) { 1691 if (userId >= UserHandle.USER_OWNER) { 1692 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1693 } else if (userId == UserHandle.USER_ALL) { 1694 final int[] userIds; 1695 synchronized (mPackages) { 1696 userIds = UserManagerService.getInstance().getUserIds(); 1697 } 1698 for (int someUserId : userIds) { 1699 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1700 } 1701 } 1702 1703 // We could have touched GID membership, so flush out packages.list 1704 synchronized (mPackages) { 1705 mSettings.writePackageListLPr(); 1706 } 1707 } 1708 1709 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1710 String[] grantedPermissions) { 1711 SettingBase sb = (SettingBase) pkg.mExtras; 1712 if (sb == null) { 1713 return; 1714 } 1715 1716 PermissionsState permissionsState = sb.getPermissionsState(); 1717 1718 for (String permission : pkg.requestedPermissions) { 1719 BasePermission bp = mSettings.mPermissions.get(permission); 1720 if (bp != null && bp.isRuntime() && (grantedPermissions == null 1721 || ArrayUtils.contains(grantedPermissions, permission))) { 1722 permissionsState.grantRuntimePermission(bp, userId); 1723 } 1724 } 1725 } 1726 1727 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1728 Bundle extras = null; 1729 switch (res.returnCode) { 1730 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1731 extras = new Bundle(); 1732 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1733 res.origPermission); 1734 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1735 res.origPackage); 1736 break; 1737 } 1738 case PackageManager.INSTALL_SUCCEEDED: { 1739 extras = new Bundle(); 1740 extras.putBoolean(Intent.EXTRA_REPLACING, 1741 res.removedInfo != null && res.removedInfo.removedPackage != null); 1742 break; 1743 } 1744 } 1745 return extras; 1746 } 1747 1748 void scheduleWriteSettingsLocked() { 1749 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1750 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1751 } 1752 } 1753 1754 void scheduleWritePackageRestrictionsLocked(int userId) { 1755 if (!sUserManager.exists(userId)) return; 1756 mDirtyUsers.add(userId); 1757 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1758 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1759 } 1760 } 1761 1762 public static PackageManagerService main(Context context, Installer installer, 1763 boolean factoryTest, boolean onlyCore) { 1764 PackageManagerService m = new PackageManagerService(context, installer, 1765 factoryTest, onlyCore); 1766 ServiceManager.addService("package", m); 1767 return m; 1768 } 1769 1770 static String[] splitString(String str, char sep) { 1771 int count = 1; 1772 int i = 0; 1773 while ((i=str.indexOf(sep, i)) >= 0) { 1774 count++; 1775 i++; 1776 } 1777 1778 String[] res = new String[count]; 1779 i=0; 1780 count = 0; 1781 int lastI=0; 1782 while ((i=str.indexOf(sep, i)) >= 0) { 1783 res[count] = str.substring(lastI, i); 1784 count++; 1785 i++; 1786 lastI = i; 1787 } 1788 res[count] = str.substring(lastI, str.length()); 1789 return res; 1790 } 1791 1792 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1793 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1794 Context.DISPLAY_SERVICE); 1795 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1796 } 1797 1798 public PackageManagerService(Context context, Installer installer, 1799 boolean factoryTest, boolean onlyCore) { 1800 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1801 SystemClock.uptimeMillis()); 1802 1803 if (mSdkVersion <= 0) { 1804 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1805 } 1806 1807 mContext = context; 1808 mFactoryTest = factoryTest; 1809 mOnlyCore = onlyCore; 1810 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1811 mMetrics = new DisplayMetrics(); 1812 mSettings = new Settings(mPackages); 1813 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1814 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1815 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1816 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1817 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1818 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1819 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1820 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1821 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1822 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1823 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1824 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1825 1826 // TODO: add a property to control this? 1827 long dexOptLRUThresholdInMinutes; 1828 if (mLazyDexOpt) { 1829 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1830 } else { 1831 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1832 } 1833 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1834 1835 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1836 if (separateProcesses != null && separateProcesses.length() > 0) { 1837 if ("*".equals(separateProcesses)) { 1838 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1839 mSeparateProcesses = null; 1840 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1841 } else { 1842 mDefParseFlags = 0; 1843 mSeparateProcesses = separateProcesses.split(","); 1844 Slog.w(TAG, "Running with debug.separate_processes: " 1845 + separateProcesses); 1846 } 1847 } else { 1848 mDefParseFlags = 0; 1849 mSeparateProcesses = null; 1850 } 1851 1852 mInstaller = installer; 1853 mPackageDexOptimizer = new PackageDexOptimizer(this); 1854 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1855 1856 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1857 FgThread.get().getLooper()); 1858 1859 getDefaultDisplayMetrics(context, mMetrics); 1860 1861 SystemConfig systemConfig = SystemConfig.getInstance(); 1862 mGlobalGids = systemConfig.getGlobalGids(); 1863 mSystemPermissions = systemConfig.getSystemPermissions(); 1864 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1865 1866 synchronized (mInstallLock) { 1867 // writer 1868 synchronized (mPackages) { 1869 mHandlerThread = new ServiceThread(TAG, 1870 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1871 mHandlerThread.start(); 1872 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1873 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1874 1875 File dataDir = Environment.getDataDirectory(); 1876 mAppDataDir = new File(dataDir, "data"); 1877 mAppInstallDir = new File(dataDir, "app"); 1878 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1879 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1880 mUserAppDataDir = new File(dataDir, "user"); 1881 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1882 1883 sUserManager = new UserManagerService(context, this, 1884 mInstallLock, mPackages); 1885 1886 // Propagate permission configuration in to package manager. 1887 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1888 = systemConfig.getPermissions(); 1889 for (int i=0; i<permConfig.size(); i++) { 1890 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1891 BasePermission bp = mSettings.mPermissions.get(perm.name); 1892 if (bp == null) { 1893 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1894 mSettings.mPermissions.put(perm.name, bp); 1895 } 1896 if (perm.gids != null) { 1897 bp.setGids(perm.gids, perm.perUser); 1898 } 1899 } 1900 1901 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1902 for (int i=0; i<libConfig.size(); i++) { 1903 mSharedLibraries.put(libConfig.keyAt(i), 1904 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1905 } 1906 1907 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1908 1909 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1910 mSdkVersion, mOnlyCore); 1911 1912 String customResolverActivity = Resources.getSystem().getString( 1913 R.string.config_customResolverActivity); 1914 if (TextUtils.isEmpty(customResolverActivity)) { 1915 customResolverActivity = null; 1916 } else { 1917 mCustomResolverComponentName = ComponentName.unflattenFromString( 1918 customResolverActivity); 1919 } 1920 1921 long startTime = SystemClock.uptimeMillis(); 1922 1923 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1924 startTime); 1925 1926 // Set flag to monitor and not change apk file paths when 1927 // scanning install directories. 1928 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1929 1930 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1931 1932 /** 1933 * Add everything in the in the boot class path to the 1934 * list of process files because dexopt will have been run 1935 * if necessary during zygote startup. 1936 */ 1937 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1938 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1939 1940 if (bootClassPath != null) { 1941 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1942 for (String element : bootClassPathElements) { 1943 alreadyDexOpted.add(element); 1944 } 1945 } else { 1946 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1947 } 1948 1949 if (systemServerClassPath != null) { 1950 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1951 for (String element : systemServerClassPathElements) { 1952 alreadyDexOpted.add(element); 1953 } 1954 } else { 1955 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1956 } 1957 1958 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1959 final String[] dexCodeInstructionSets = 1960 getDexCodeInstructionSets( 1961 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1962 1963 /** 1964 * Ensure all external libraries have had dexopt run on them. 1965 */ 1966 if (mSharedLibraries.size() > 0) { 1967 // NOTE: For now, we're compiling these system "shared libraries" 1968 // (and framework jars) into all available architectures. It's possible 1969 // to compile them only when we come across an app that uses them (there's 1970 // already logic for that in scanPackageLI) but that adds some complexity. 1971 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1972 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1973 final String lib = libEntry.path; 1974 if (lib == null) { 1975 continue; 1976 } 1977 1978 try { 1979 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1980 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1981 alreadyDexOpted.add(lib); 1982 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1983 } 1984 } catch (FileNotFoundException e) { 1985 Slog.w(TAG, "Library not found: " + lib); 1986 } catch (IOException e) { 1987 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1988 + e.getMessage()); 1989 } 1990 } 1991 } 1992 } 1993 1994 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1995 1996 // Gross hack for now: we know this file doesn't contain any 1997 // code, so don't dexopt it to avoid the resulting log spew. 1998 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1999 2000 // Gross hack for now: we know this file is only part of 2001 // the boot class path for art, so don't dexopt it to 2002 // avoid the resulting log spew. 2003 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2004 2005 /** 2006 * There are a number of commands implemented in Java, which 2007 * we currently need to do the dexopt on so that they can be 2008 * run from a non-root shell. 2009 */ 2010 String[] frameworkFiles = frameworkDir.list(); 2011 if (frameworkFiles != null) { 2012 // TODO: We could compile these only for the most preferred ABI. We should 2013 // first double check that the dex files for these commands are not referenced 2014 // by other system apps. 2015 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2016 for (int i=0; i<frameworkFiles.length; i++) { 2017 File libPath = new File(frameworkDir, frameworkFiles[i]); 2018 String path = libPath.getPath(); 2019 // Skip the file if we already did it. 2020 if (alreadyDexOpted.contains(path)) { 2021 continue; 2022 } 2023 // Skip the file if it is not a type we want to dexopt. 2024 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2025 continue; 2026 } 2027 try { 2028 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2029 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2030 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 2031 } 2032 } catch (FileNotFoundException e) { 2033 Slog.w(TAG, "Jar not found: " + path); 2034 } catch (IOException e) { 2035 Slog.w(TAG, "Exception reading jar: " + path, e); 2036 } 2037 } 2038 } 2039 } 2040 2041 final VersionInfo ver = mSettings.getInternalVersion(); 2042 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2043 // when upgrading from pre-M, promote system app permissions from install to runtime 2044 mPromoteSystemApps = 2045 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2046 2047 // save off the names of pre-existing system packages prior to scanning; we don't 2048 // want to automatically grant runtime permissions for new system apps 2049 if (mPromoteSystemApps) { 2050 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2051 while (pkgSettingIter.hasNext()) { 2052 PackageSetting ps = pkgSettingIter.next(); 2053 if (isSystemApp(ps)) { 2054 mExistingSystemPackages.add(ps.name); 2055 } 2056 } 2057 } 2058 2059 // Collect vendor overlay packages. 2060 // (Do this before scanning any apps.) 2061 // For security and version matching reason, only consider 2062 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2063 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2064 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2065 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2066 2067 // Find base frameworks (resource packages without code). 2068 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2069 | PackageParser.PARSE_IS_SYSTEM_DIR 2070 | PackageParser.PARSE_IS_PRIVILEGED, 2071 scanFlags | SCAN_NO_DEX, 0); 2072 2073 // Collected privileged system packages. 2074 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2075 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2076 | PackageParser.PARSE_IS_SYSTEM_DIR 2077 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2078 2079 // Collect ordinary system packages. 2080 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2081 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2082 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2083 2084 // Collect all vendor packages. 2085 File vendorAppDir = new File("/vendor/app"); 2086 try { 2087 vendorAppDir = vendorAppDir.getCanonicalFile(); 2088 } catch (IOException e) { 2089 // failed to look up canonical path, continue with original one 2090 } 2091 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2092 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2093 2094 // Collect all OEM packages. 2095 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2096 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2097 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2098 2099 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2100 mInstaller.moveFiles(); 2101 2102 // Prune any system packages that no longer exist. 2103 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2104 if (!mOnlyCore) { 2105 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2106 while (psit.hasNext()) { 2107 PackageSetting ps = psit.next(); 2108 2109 /* 2110 * If this is not a system app, it can't be a 2111 * disable system app. 2112 */ 2113 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2114 continue; 2115 } 2116 2117 /* 2118 * If the package is scanned, it's not erased. 2119 */ 2120 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2121 if (scannedPkg != null) { 2122 /* 2123 * If the system app is both scanned and in the 2124 * disabled packages list, then it must have been 2125 * added via OTA. Remove it from the currently 2126 * scanned package so the previously user-installed 2127 * application can be scanned. 2128 */ 2129 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2130 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2131 + ps.name + "; removing system app. Last known codePath=" 2132 + ps.codePathString + ", installStatus=" + ps.installStatus 2133 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2134 + scannedPkg.mVersionCode); 2135 removePackageLI(ps, true); 2136 mExpectingBetter.put(ps.name, ps.codePath); 2137 } 2138 2139 continue; 2140 } 2141 2142 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2143 psit.remove(); 2144 logCriticalInfo(Log.WARN, "System package " + ps.name 2145 + " no longer exists; wiping its data"); 2146 removeDataDirsLI(null, ps.name); 2147 } else { 2148 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2149 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2150 possiblyDeletedUpdatedSystemApps.add(ps.name); 2151 } 2152 } 2153 } 2154 } 2155 2156 //look for any incomplete package installations 2157 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2158 //clean up list 2159 for(int i = 0; i < deletePkgsList.size(); i++) { 2160 //clean up here 2161 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2162 } 2163 //delete tmp files 2164 deleteTempPackageFiles(); 2165 2166 // Remove any shared userIDs that have no associated packages 2167 mSettings.pruneSharedUsersLPw(); 2168 2169 if (!mOnlyCore) { 2170 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2171 SystemClock.uptimeMillis()); 2172 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2173 2174 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2175 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2176 2177 /** 2178 * Remove disable package settings for any updated system 2179 * apps that were removed via an OTA. If they're not a 2180 * previously-updated app, remove them completely. 2181 * Otherwise, just revoke their system-level permissions. 2182 */ 2183 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2184 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2185 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2186 2187 String msg; 2188 if (deletedPkg == null) { 2189 msg = "Updated system package " + deletedAppName 2190 + " no longer exists; wiping its data"; 2191 removeDataDirsLI(null, deletedAppName); 2192 } else { 2193 msg = "Updated system app + " + deletedAppName 2194 + " no longer present; removing system privileges for " 2195 + deletedAppName; 2196 2197 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2198 2199 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2200 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2201 } 2202 logCriticalInfo(Log.WARN, msg); 2203 } 2204 2205 /** 2206 * Make sure all system apps that we expected to appear on 2207 * the userdata partition actually showed up. If they never 2208 * appeared, crawl back and revive the system version. 2209 */ 2210 for (int i = 0; i < mExpectingBetter.size(); i++) { 2211 final String packageName = mExpectingBetter.keyAt(i); 2212 if (!mPackages.containsKey(packageName)) { 2213 final File scanFile = mExpectingBetter.valueAt(i); 2214 2215 logCriticalInfo(Log.WARN, "Expected better " + packageName 2216 + " but never showed up; reverting to system"); 2217 2218 final int reparseFlags; 2219 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2220 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2221 | PackageParser.PARSE_IS_SYSTEM_DIR 2222 | PackageParser.PARSE_IS_PRIVILEGED; 2223 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2224 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2225 | PackageParser.PARSE_IS_SYSTEM_DIR; 2226 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2227 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2228 | PackageParser.PARSE_IS_SYSTEM_DIR; 2229 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2230 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2231 | PackageParser.PARSE_IS_SYSTEM_DIR; 2232 } else { 2233 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2234 continue; 2235 } 2236 2237 mSettings.enableSystemPackageLPw(packageName); 2238 2239 try { 2240 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2241 } catch (PackageManagerException e) { 2242 Slog.e(TAG, "Failed to parse original system package: " 2243 + e.getMessage()); 2244 } 2245 } 2246 } 2247 } 2248 mExpectingBetter.clear(); 2249 2250 // Now that we know all of the shared libraries, update all clients to have 2251 // the correct library paths. 2252 updateAllSharedLibrariesLPw(); 2253 2254 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2255 // NOTE: We ignore potential failures here during a system scan (like 2256 // the rest of the commands above) because there's precious little we 2257 // can do about it. A settings error is reported, though. 2258 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2259 false /* force dexopt */, false /* defer dexopt */); 2260 } 2261 2262 // Now that we know all the packages we are keeping, 2263 // read and update their last usage times. 2264 mPackageUsage.readLP(); 2265 2266 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2267 SystemClock.uptimeMillis()); 2268 Slog.i(TAG, "Time to scan packages: " 2269 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2270 + " seconds"); 2271 2272 // If the platform SDK has changed since the last time we booted, 2273 // we need to re-grant app permission to catch any new ones that 2274 // appear. This is really a hack, and means that apps can in some 2275 // cases get permissions that the user didn't initially explicitly 2276 // allow... it would be nice to have some better way to handle 2277 // this situation. 2278 int updateFlags = UPDATE_PERMISSIONS_ALL; 2279 if (ver.sdkVersion != mSdkVersion) { 2280 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2281 + mSdkVersion + "; regranting permissions for internal storage"); 2282 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2283 } 2284 updatePermissionsLPw(null, null, updateFlags); 2285 ver.sdkVersion = mSdkVersion; 2286 2287 // If this is the first boot or an update from pre-M, and it is a normal 2288 // boot, then we need to initialize the default preferred apps across 2289 // all defined users. 2290 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2291 for (UserInfo user : sUserManager.getUsers(true)) { 2292 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2293 applyFactoryDefaultBrowserLPw(user.id); 2294 primeDomainVerificationsLPw(user.id); 2295 } 2296 } 2297 2298 // If this is first boot after an OTA, and a normal boot, then 2299 // we need to clear code cache directories. 2300 if (mIsUpgrade && !onlyCore) { 2301 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2302 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2303 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2304 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2305 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2306 } 2307 } 2308 ver.fingerprint = Build.FINGERPRINT; 2309 } 2310 2311 checkDefaultBrowser(); 2312 2313 // clear only after permissions and other defaults have been updated 2314 mExistingSystemPackages.clear(); 2315 mPromoteSystemApps = false; 2316 2317 // All the changes are done during package scanning. 2318 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2319 2320 // can downgrade to reader 2321 mSettings.writeLPr(); 2322 2323 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2324 SystemClock.uptimeMillis()); 2325 2326 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2327 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2328 2329 mInstallerService = new PackageInstallerService(context, this); 2330 2331 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2332 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2333 mIntentFilterVerifierComponent); 2334 2335 } // synchronized (mPackages) 2336 } // synchronized (mInstallLock) 2337 2338 // Now after opening every single application zip, make sure they 2339 // are all flushed. Not really needed, but keeps things nice and 2340 // tidy. 2341 Runtime.getRuntime().gc(); 2342 2343 // Expose private service for system components to use. 2344 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2345 } 2346 2347 @Override 2348 public boolean isFirstBoot() { 2349 return !mRestoredSettings; 2350 } 2351 2352 @Override 2353 public boolean isOnlyCoreApps() { 2354 return mOnlyCore; 2355 } 2356 2357 @Override 2358 public boolean isUpgrade() { 2359 return mIsUpgrade; 2360 } 2361 2362 private String getRequiredVerifierLPr() { 2363 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2364 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2365 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2366 2367 String requiredVerifier = null; 2368 2369 final int N = receivers.size(); 2370 for (int i = 0; i < N; i++) { 2371 final ResolveInfo info = receivers.get(i); 2372 2373 if (info.activityInfo == null) { 2374 continue; 2375 } 2376 2377 final String packageName = info.activityInfo.packageName; 2378 2379 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2380 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2381 continue; 2382 } 2383 2384 if (requiredVerifier != null) { 2385 throw new RuntimeException("There can be only one required verifier"); 2386 } 2387 2388 requiredVerifier = packageName; 2389 } 2390 2391 return requiredVerifier; 2392 } 2393 2394 private String getRequiredInstallerLPr() { 2395 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2396 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2397 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2398 2399 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2400 PACKAGE_MIME_TYPE, 0, 0); 2401 2402 String requiredInstaller = null; 2403 2404 final int N = installers.size(); 2405 for (int i = 0; i < N; i++) { 2406 final ResolveInfo info = installers.get(i); 2407 final String packageName = info.activityInfo.packageName; 2408 2409 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2410 continue; 2411 } 2412 2413 if (requiredInstaller != null) { 2414 throw new RuntimeException("There must be one required installer"); 2415 } 2416 2417 requiredInstaller = packageName; 2418 } 2419 2420 if (requiredInstaller == null) { 2421 throw new RuntimeException("There must be one required installer"); 2422 } 2423 2424 return requiredInstaller; 2425 } 2426 2427 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2428 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2429 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2430 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2431 2432 ComponentName verifierComponentName = null; 2433 2434 int priority = -1000; 2435 final int N = receivers.size(); 2436 for (int i = 0; i < N; i++) { 2437 final ResolveInfo info = receivers.get(i); 2438 2439 if (info.activityInfo == null) { 2440 continue; 2441 } 2442 2443 final String packageName = info.activityInfo.packageName; 2444 2445 final PackageSetting ps = mSettings.mPackages.get(packageName); 2446 if (ps == null) { 2447 continue; 2448 } 2449 2450 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2451 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2452 continue; 2453 } 2454 2455 // Select the IntentFilterVerifier with the highest priority 2456 if (priority < info.priority) { 2457 priority = info.priority; 2458 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2459 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2460 + verifierComponentName + " with priority: " + info.priority); 2461 } 2462 } 2463 2464 return verifierComponentName; 2465 } 2466 2467 private void primeDomainVerificationsLPw(int userId) { 2468 if (DEBUG_DOMAIN_VERIFICATION) { 2469 Slog.d(TAG, "Priming domain verifications in user " + userId); 2470 } 2471 2472 SystemConfig systemConfig = SystemConfig.getInstance(); 2473 ArraySet<String> packages = systemConfig.getLinkedApps(); 2474 ArraySet<String> domains = new ArraySet<String>(); 2475 2476 for (String packageName : packages) { 2477 PackageParser.Package pkg = mPackages.get(packageName); 2478 if (pkg != null) { 2479 if (!pkg.isSystemApp()) { 2480 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2481 continue; 2482 } 2483 2484 domains.clear(); 2485 for (PackageParser.Activity a : pkg.activities) { 2486 for (ActivityIntentInfo filter : a.intents) { 2487 if (hasValidDomains(filter)) { 2488 domains.addAll(filter.getHostsList()); 2489 } 2490 } 2491 } 2492 2493 if (domains.size() > 0) { 2494 if (DEBUG_DOMAIN_VERIFICATION) { 2495 Slog.v(TAG, " + " + packageName); 2496 } 2497 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2498 // state w.r.t. the formal app-linkage "no verification attempted" state; 2499 // and then 'always' in the per-user state actually used for intent resolution. 2500 final IntentFilterVerificationInfo ivi; 2501 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2502 new ArrayList<String>(domains)); 2503 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2504 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2505 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2506 } else { 2507 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2508 + "' does not handle web links"); 2509 } 2510 } else { 2511 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2512 } 2513 } 2514 2515 scheduleWritePackageRestrictionsLocked(userId); 2516 scheduleWriteSettingsLocked(); 2517 } 2518 2519 private void applyFactoryDefaultBrowserLPw(int userId) { 2520 // The default browser app's package name is stored in a string resource, 2521 // with a product-specific overlay used for vendor customization. 2522 String browserPkg = mContext.getResources().getString( 2523 com.android.internal.R.string.default_browser); 2524 if (!TextUtils.isEmpty(browserPkg)) { 2525 // non-empty string => required to be a known package 2526 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2527 if (ps == null) { 2528 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2529 browserPkg = null; 2530 } else { 2531 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2532 } 2533 } 2534 2535 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2536 // default. If there's more than one, just leave everything alone. 2537 if (browserPkg == null) { 2538 calculateDefaultBrowserLPw(userId); 2539 } 2540 } 2541 2542 private void calculateDefaultBrowserLPw(int userId) { 2543 List<String> allBrowsers = resolveAllBrowserApps(userId); 2544 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2545 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2546 } 2547 2548 private List<String> resolveAllBrowserApps(int userId) { 2549 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2550 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2551 PackageManager.MATCH_ALL, userId); 2552 2553 final int count = list.size(); 2554 List<String> result = new ArrayList<String>(count); 2555 for (int i=0; i<count; i++) { 2556 ResolveInfo info = list.get(i); 2557 if (info.activityInfo == null 2558 || !info.handleAllWebDataURI 2559 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2560 || result.contains(info.activityInfo.packageName)) { 2561 continue; 2562 } 2563 result.add(info.activityInfo.packageName); 2564 } 2565 2566 return result; 2567 } 2568 2569 private boolean packageIsBrowser(String packageName, int userId) { 2570 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2571 PackageManager.MATCH_ALL, userId); 2572 final int N = list.size(); 2573 for (int i = 0; i < N; i++) { 2574 ResolveInfo info = list.get(i); 2575 if (packageName.equals(info.activityInfo.packageName)) { 2576 return true; 2577 } 2578 } 2579 return false; 2580 } 2581 2582 private void checkDefaultBrowser() { 2583 final int myUserId = UserHandle.myUserId(); 2584 final String packageName = getDefaultBrowserPackageName(myUserId); 2585 if (packageName != null) { 2586 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2587 if (info == null) { 2588 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2589 synchronized (mPackages) { 2590 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2591 } 2592 } 2593 } 2594 } 2595 2596 @Override 2597 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2598 throws RemoteException { 2599 try { 2600 return super.onTransact(code, data, reply, flags); 2601 } catch (RuntimeException e) { 2602 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2603 Slog.wtf(TAG, "Package Manager Crash", e); 2604 } 2605 throw e; 2606 } 2607 } 2608 2609 void cleanupInstallFailedPackage(PackageSetting ps) { 2610 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2611 2612 removeDataDirsLI(ps.volumeUuid, ps.name); 2613 if (ps.codePath != null) { 2614 if (ps.codePath.isDirectory()) { 2615 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2616 } else { 2617 ps.codePath.delete(); 2618 } 2619 } 2620 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2621 if (ps.resourcePath.isDirectory()) { 2622 FileUtils.deleteContents(ps.resourcePath); 2623 } 2624 ps.resourcePath.delete(); 2625 } 2626 mSettings.removePackageLPw(ps.name); 2627 } 2628 2629 static int[] appendInts(int[] cur, int[] add) { 2630 if (add == null) return cur; 2631 if (cur == null) return add; 2632 final int N = add.length; 2633 for (int i=0; i<N; i++) { 2634 cur = appendInt(cur, add[i]); 2635 } 2636 return cur; 2637 } 2638 2639 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2640 if (!sUserManager.exists(userId)) return null; 2641 final PackageSetting ps = (PackageSetting) p.mExtras; 2642 if (ps == null) { 2643 return null; 2644 } 2645 2646 final PermissionsState permissionsState = ps.getPermissionsState(); 2647 2648 final int[] gids = permissionsState.computeGids(userId); 2649 final Set<String> permissions = permissionsState.getPermissions(userId); 2650 final PackageUserState state = ps.readUserState(userId); 2651 2652 return PackageParser.generatePackageInfo(p, gids, flags, 2653 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2654 } 2655 2656 @Override 2657 public boolean isPackageFrozen(String packageName) { 2658 synchronized (mPackages) { 2659 final PackageSetting ps = mSettings.mPackages.get(packageName); 2660 if (ps != null) { 2661 return ps.frozen; 2662 } 2663 } 2664 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2665 return true; 2666 } 2667 2668 @Override 2669 public boolean isPackageAvailable(String packageName, int userId) { 2670 if (!sUserManager.exists(userId)) return false; 2671 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2672 synchronized (mPackages) { 2673 PackageParser.Package p = mPackages.get(packageName); 2674 if (p != null) { 2675 final PackageSetting ps = (PackageSetting) p.mExtras; 2676 if (ps != null) { 2677 final PackageUserState state = ps.readUserState(userId); 2678 if (state != null) { 2679 return PackageParser.isAvailable(state); 2680 } 2681 } 2682 } 2683 } 2684 return false; 2685 } 2686 2687 @Override 2688 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2689 if (!sUserManager.exists(userId)) return null; 2690 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2691 // reader 2692 synchronized (mPackages) { 2693 PackageParser.Package p = mPackages.get(packageName); 2694 if (DEBUG_PACKAGE_INFO) 2695 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2696 if (p != null) { 2697 return generatePackageInfo(p, flags, userId); 2698 } 2699 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2700 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2701 } 2702 } 2703 return null; 2704 } 2705 2706 @Override 2707 public String[] currentToCanonicalPackageNames(String[] names) { 2708 String[] out = new String[names.length]; 2709 // reader 2710 synchronized (mPackages) { 2711 for (int i=names.length-1; i>=0; i--) { 2712 PackageSetting ps = mSettings.mPackages.get(names[i]); 2713 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2714 } 2715 } 2716 return out; 2717 } 2718 2719 @Override 2720 public String[] canonicalToCurrentPackageNames(String[] names) { 2721 String[] out = new String[names.length]; 2722 // reader 2723 synchronized (mPackages) { 2724 for (int i=names.length-1; i>=0; i--) { 2725 String cur = mSettings.mRenamedPackages.get(names[i]); 2726 out[i] = cur != null ? cur : names[i]; 2727 } 2728 } 2729 return out; 2730 } 2731 2732 @Override 2733 public int getPackageUid(String packageName, int userId) { 2734 if (!sUserManager.exists(userId)) return -1; 2735 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2736 2737 // reader 2738 synchronized (mPackages) { 2739 PackageParser.Package p = mPackages.get(packageName); 2740 if(p != null) { 2741 return UserHandle.getUid(userId, p.applicationInfo.uid); 2742 } 2743 PackageSetting ps = mSettings.mPackages.get(packageName); 2744 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2745 return -1; 2746 } 2747 p = ps.pkg; 2748 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2749 } 2750 } 2751 2752 @Override 2753 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2754 if (!sUserManager.exists(userId)) { 2755 return null; 2756 } 2757 2758 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2759 "getPackageGids"); 2760 2761 // reader 2762 synchronized (mPackages) { 2763 PackageParser.Package p = mPackages.get(packageName); 2764 if (DEBUG_PACKAGE_INFO) { 2765 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2766 } 2767 if (p != null) { 2768 PackageSetting ps = (PackageSetting) p.mExtras; 2769 return ps.getPermissionsState().computeGids(userId); 2770 } 2771 } 2772 2773 return null; 2774 } 2775 2776 static PermissionInfo generatePermissionInfo( 2777 BasePermission bp, int flags) { 2778 if (bp.perm != null) { 2779 return PackageParser.generatePermissionInfo(bp.perm, flags); 2780 } 2781 PermissionInfo pi = new PermissionInfo(); 2782 pi.name = bp.name; 2783 pi.packageName = bp.sourcePackage; 2784 pi.nonLocalizedLabel = bp.name; 2785 pi.protectionLevel = bp.protectionLevel; 2786 return pi; 2787 } 2788 2789 @Override 2790 public PermissionInfo getPermissionInfo(String name, int flags) { 2791 // reader 2792 synchronized (mPackages) { 2793 final BasePermission p = mSettings.mPermissions.get(name); 2794 if (p != null) { 2795 return generatePermissionInfo(p, flags); 2796 } 2797 return null; 2798 } 2799 } 2800 2801 @Override 2802 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2803 // reader 2804 synchronized (mPackages) { 2805 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2806 for (BasePermission p : mSettings.mPermissions.values()) { 2807 if (group == null) { 2808 if (p.perm == null || p.perm.info.group == null) { 2809 out.add(generatePermissionInfo(p, flags)); 2810 } 2811 } else { 2812 if (p.perm != null && group.equals(p.perm.info.group)) { 2813 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2814 } 2815 } 2816 } 2817 2818 if (out.size() > 0) { 2819 return out; 2820 } 2821 return mPermissionGroups.containsKey(group) ? out : null; 2822 } 2823 } 2824 2825 @Override 2826 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2827 // reader 2828 synchronized (mPackages) { 2829 return PackageParser.generatePermissionGroupInfo( 2830 mPermissionGroups.get(name), flags); 2831 } 2832 } 2833 2834 @Override 2835 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2836 // reader 2837 synchronized (mPackages) { 2838 final int N = mPermissionGroups.size(); 2839 ArrayList<PermissionGroupInfo> out 2840 = new ArrayList<PermissionGroupInfo>(N); 2841 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2842 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2843 } 2844 return out; 2845 } 2846 } 2847 2848 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2849 int userId) { 2850 if (!sUserManager.exists(userId)) return null; 2851 PackageSetting ps = mSettings.mPackages.get(packageName); 2852 if (ps != null) { 2853 if (ps.pkg == null) { 2854 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2855 flags, userId); 2856 if (pInfo != null) { 2857 return pInfo.applicationInfo; 2858 } 2859 return null; 2860 } 2861 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2862 ps.readUserState(userId), userId); 2863 } 2864 return null; 2865 } 2866 2867 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2868 int userId) { 2869 if (!sUserManager.exists(userId)) return null; 2870 PackageSetting ps = mSettings.mPackages.get(packageName); 2871 if (ps != null) { 2872 PackageParser.Package pkg = ps.pkg; 2873 if (pkg == null) { 2874 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2875 return null; 2876 } 2877 // Only data remains, so we aren't worried about code paths 2878 pkg = new PackageParser.Package(packageName); 2879 pkg.applicationInfo.packageName = packageName; 2880 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2881 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2882 pkg.applicationInfo.dataDir = Environment 2883 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2884 .getAbsolutePath(); 2885 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2886 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2887 } 2888 return generatePackageInfo(pkg, flags, userId); 2889 } 2890 return null; 2891 } 2892 2893 @Override 2894 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2895 if (!sUserManager.exists(userId)) return null; 2896 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2897 // writer 2898 synchronized (mPackages) { 2899 PackageParser.Package p = mPackages.get(packageName); 2900 if (DEBUG_PACKAGE_INFO) Log.v( 2901 TAG, "getApplicationInfo " + packageName 2902 + ": " + p); 2903 if (p != null) { 2904 PackageSetting ps = mSettings.mPackages.get(packageName); 2905 if (ps == null) return null; 2906 // Note: isEnabledLP() does not apply here - always return info 2907 return PackageParser.generateApplicationInfo( 2908 p, flags, ps.readUserState(userId), userId); 2909 } 2910 if ("android".equals(packageName)||"system".equals(packageName)) { 2911 return mAndroidApplication; 2912 } 2913 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2914 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2915 } 2916 } 2917 return null; 2918 } 2919 2920 @Override 2921 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2922 final IPackageDataObserver observer) { 2923 mContext.enforceCallingOrSelfPermission( 2924 android.Manifest.permission.CLEAR_APP_CACHE, null); 2925 // Queue up an async operation since clearing cache may take a little while. 2926 mHandler.post(new Runnable() { 2927 public void run() { 2928 mHandler.removeCallbacks(this); 2929 int retCode = -1; 2930 synchronized (mInstallLock) { 2931 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2932 if (retCode < 0) { 2933 Slog.w(TAG, "Couldn't clear application caches"); 2934 } 2935 } 2936 if (observer != null) { 2937 try { 2938 observer.onRemoveCompleted(null, (retCode >= 0)); 2939 } catch (RemoteException e) { 2940 Slog.w(TAG, "RemoveException when invoking call back"); 2941 } 2942 } 2943 } 2944 }); 2945 } 2946 2947 @Override 2948 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2949 final IntentSender pi) { 2950 mContext.enforceCallingOrSelfPermission( 2951 android.Manifest.permission.CLEAR_APP_CACHE, null); 2952 // Queue up an async operation since clearing cache may take a little while. 2953 mHandler.post(new Runnable() { 2954 public void run() { 2955 mHandler.removeCallbacks(this); 2956 int retCode = -1; 2957 synchronized (mInstallLock) { 2958 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2959 if (retCode < 0) { 2960 Slog.w(TAG, "Couldn't clear application caches"); 2961 } 2962 } 2963 if(pi != null) { 2964 try { 2965 // Callback via pending intent 2966 int code = (retCode >= 0) ? 1 : 0; 2967 pi.sendIntent(null, code, null, 2968 null, null); 2969 } catch (SendIntentException e1) { 2970 Slog.i(TAG, "Failed to send pending intent"); 2971 } 2972 } 2973 } 2974 }); 2975 } 2976 2977 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 2978 synchronized (mInstallLock) { 2979 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 2980 throw new IOException("Failed to free enough space"); 2981 } 2982 } 2983 } 2984 2985 @Override 2986 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2987 if (!sUserManager.exists(userId)) return null; 2988 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2989 synchronized (mPackages) { 2990 PackageParser.Activity a = mActivities.mActivities.get(component); 2991 2992 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2993 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2994 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2995 if (ps == null) return null; 2996 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2997 userId); 2998 } 2999 if (mResolveComponentName.equals(component)) { 3000 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3001 new PackageUserState(), userId); 3002 } 3003 } 3004 return null; 3005 } 3006 3007 @Override 3008 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3009 String resolvedType) { 3010 synchronized (mPackages) { 3011 if (component.equals(mResolveComponentName)) { 3012 // The resolver supports EVERYTHING! 3013 return true; 3014 } 3015 PackageParser.Activity a = mActivities.mActivities.get(component); 3016 if (a == null) { 3017 return false; 3018 } 3019 for (int i=0; i<a.intents.size(); i++) { 3020 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3021 intent.getData(), intent.getCategories(), TAG) >= 0) { 3022 return true; 3023 } 3024 } 3025 return false; 3026 } 3027 } 3028 3029 @Override 3030 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3031 if (!sUserManager.exists(userId)) return null; 3032 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3033 synchronized (mPackages) { 3034 PackageParser.Activity a = mReceivers.mActivities.get(component); 3035 if (DEBUG_PACKAGE_INFO) Log.v( 3036 TAG, "getReceiverInfo " + component + ": " + a); 3037 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3038 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3039 if (ps == null) return null; 3040 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3041 userId); 3042 } 3043 } 3044 return null; 3045 } 3046 3047 @Override 3048 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3049 if (!sUserManager.exists(userId)) return null; 3050 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3051 synchronized (mPackages) { 3052 PackageParser.Service s = mServices.mServices.get(component); 3053 if (DEBUG_PACKAGE_INFO) Log.v( 3054 TAG, "getServiceInfo " + component + ": " + s); 3055 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3056 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3057 if (ps == null) return null; 3058 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3059 userId); 3060 } 3061 } 3062 return null; 3063 } 3064 3065 @Override 3066 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3067 if (!sUserManager.exists(userId)) return null; 3068 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3069 synchronized (mPackages) { 3070 PackageParser.Provider p = mProviders.mProviders.get(component); 3071 if (DEBUG_PACKAGE_INFO) Log.v( 3072 TAG, "getProviderInfo " + component + ": " + p); 3073 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3074 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3075 if (ps == null) return null; 3076 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3077 userId); 3078 } 3079 } 3080 return null; 3081 } 3082 3083 @Override 3084 public String[] getSystemSharedLibraryNames() { 3085 Set<String> libSet; 3086 synchronized (mPackages) { 3087 libSet = mSharedLibraries.keySet(); 3088 int size = libSet.size(); 3089 if (size > 0) { 3090 String[] libs = new String[size]; 3091 libSet.toArray(libs); 3092 return libs; 3093 } 3094 } 3095 return null; 3096 } 3097 3098 /** 3099 * @hide 3100 */ 3101 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3102 synchronized (mPackages) { 3103 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3104 if (lib != null && lib.apk != null) { 3105 return mPackages.get(lib.apk); 3106 } 3107 } 3108 return null; 3109 } 3110 3111 @Override 3112 public FeatureInfo[] getSystemAvailableFeatures() { 3113 Collection<FeatureInfo> featSet; 3114 synchronized (mPackages) { 3115 featSet = mAvailableFeatures.values(); 3116 int size = featSet.size(); 3117 if (size > 0) { 3118 FeatureInfo[] features = new FeatureInfo[size+1]; 3119 featSet.toArray(features); 3120 FeatureInfo fi = new FeatureInfo(); 3121 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3122 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3123 features[size] = fi; 3124 return features; 3125 } 3126 } 3127 return null; 3128 } 3129 3130 @Override 3131 public boolean hasSystemFeature(String name) { 3132 synchronized (mPackages) { 3133 return mAvailableFeatures.containsKey(name); 3134 } 3135 } 3136 3137 private void checkValidCaller(int uid, int userId) { 3138 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3139 return; 3140 3141 throw new SecurityException("Caller uid=" + uid 3142 + " is not privileged to communicate with user=" + userId); 3143 } 3144 3145 @Override 3146 public int checkPermission(String permName, String pkgName, int userId) { 3147 if (!sUserManager.exists(userId)) { 3148 return PackageManager.PERMISSION_DENIED; 3149 } 3150 3151 synchronized (mPackages) { 3152 final PackageParser.Package p = mPackages.get(pkgName); 3153 if (p != null && p.mExtras != null) { 3154 final PackageSetting ps = (PackageSetting) p.mExtras; 3155 final PermissionsState permissionsState = ps.getPermissionsState(); 3156 if (permissionsState.hasPermission(permName, userId)) { 3157 return PackageManager.PERMISSION_GRANTED; 3158 } 3159 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3160 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3161 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3162 return PackageManager.PERMISSION_GRANTED; 3163 } 3164 } 3165 } 3166 3167 return PackageManager.PERMISSION_DENIED; 3168 } 3169 3170 @Override 3171 public int checkUidPermission(String permName, int uid) { 3172 final int userId = UserHandle.getUserId(uid); 3173 3174 if (!sUserManager.exists(userId)) { 3175 return PackageManager.PERMISSION_DENIED; 3176 } 3177 3178 synchronized (mPackages) { 3179 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3180 if (obj != null) { 3181 final SettingBase ps = (SettingBase) obj; 3182 final PermissionsState permissionsState = ps.getPermissionsState(); 3183 if (permissionsState.hasPermission(permName, userId)) { 3184 return PackageManager.PERMISSION_GRANTED; 3185 } 3186 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3187 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3188 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3189 return PackageManager.PERMISSION_GRANTED; 3190 } 3191 } else { 3192 ArraySet<String> perms = mSystemPermissions.get(uid); 3193 if (perms != null) { 3194 if (perms.contains(permName)) { 3195 return PackageManager.PERMISSION_GRANTED; 3196 } 3197 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3198 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3199 return PackageManager.PERMISSION_GRANTED; 3200 } 3201 } 3202 } 3203 } 3204 3205 return PackageManager.PERMISSION_DENIED; 3206 } 3207 3208 @Override 3209 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3210 if (UserHandle.getCallingUserId() != userId) { 3211 mContext.enforceCallingPermission( 3212 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3213 "isPermissionRevokedByPolicy for user " + userId); 3214 } 3215 3216 if (checkPermission(permission, packageName, userId) 3217 == PackageManager.PERMISSION_GRANTED) { 3218 return false; 3219 } 3220 3221 final long identity = Binder.clearCallingIdentity(); 3222 try { 3223 final int flags = getPermissionFlags(permission, packageName, userId); 3224 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3225 } finally { 3226 Binder.restoreCallingIdentity(identity); 3227 } 3228 } 3229 3230 @Override 3231 public String getPermissionControllerPackageName() { 3232 synchronized (mPackages) { 3233 return mRequiredInstallerPackage; 3234 } 3235 } 3236 3237 /** 3238 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3239 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3240 * @param checkShell TODO(yamasani): 3241 * @param message the message to log on security exception 3242 */ 3243 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3244 boolean checkShell, String message) { 3245 if (userId < 0) { 3246 throw new IllegalArgumentException("Invalid userId " + userId); 3247 } 3248 if (checkShell) { 3249 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3250 } 3251 if (userId == UserHandle.getUserId(callingUid)) return; 3252 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3253 if (requireFullPermission) { 3254 mContext.enforceCallingOrSelfPermission( 3255 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3256 } else { 3257 try { 3258 mContext.enforceCallingOrSelfPermission( 3259 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3260 } catch (SecurityException se) { 3261 mContext.enforceCallingOrSelfPermission( 3262 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3263 } 3264 } 3265 } 3266 } 3267 3268 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3269 if (callingUid == Process.SHELL_UID) { 3270 if (userHandle >= 0 3271 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3272 throw new SecurityException("Shell does not have permission to access user " 3273 + userHandle); 3274 } else if (userHandle < 0) { 3275 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3276 + Debug.getCallers(3)); 3277 } 3278 } 3279 } 3280 3281 private BasePermission findPermissionTreeLP(String permName) { 3282 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3283 if (permName.startsWith(bp.name) && 3284 permName.length() > bp.name.length() && 3285 permName.charAt(bp.name.length()) == '.') { 3286 return bp; 3287 } 3288 } 3289 return null; 3290 } 3291 3292 private BasePermission checkPermissionTreeLP(String permName) { 3293 if (permName != null) { 3294 BasePermission bp = findPermissionTreeLP(permName); 3295 if (bp != null) { 3296 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3297 return bp; 3298 } 3299 throw new SecurityException("Calling uid " 3300 + Binder.getCallingUid() 3301 + " is not allowed to add to permission tree " 3302 + bp.name + " owned by uid " + bp.uid); 3303 } 3304 } 3305 throw new SecurityException("No permission tree found for " + permName); 3306 } 3307 3308 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3309 if (s1 == null) { 3310 return s2 == null; 3311 } 3312 if (s2 == null) { 3313 return false; 3314 } 3315 if (s1.getClass() != s2.getClass()) { 3316 return false; 3317 } 3318 return s1.equals(s2); 3319 } 3320 3321 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3322 if (pi1.icon != pi2.icon) return false; 3323 if (pi1.logo != pi2.logo) return false; 3324 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3325 if (!compareStrings(pi1.name, pi2.name)) return false; 3326 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3327 // We'll take care of setting this one. 3328 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3329 // These are not currently stored in settings. 3330 //if (!compareStrings(pi1.group, pi2.group)) return false; 3331 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3332 //if (pi1.labelRes != pi2.labelRes) return false; 3333 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3334 return true; 3335 } 3336 3337 int permissionInfoFootprint(PermissionInfo info) { 3338 int size = info.name.length(); 3339 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3340 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3341 return size; 3342 } 3343 3344 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3345 int size = 0; 3346 for (BasePermission perm : mSettings.mPermissions.values()) { 3347 if (perm.uid == tree.uid) { 3348 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3349 } 3350 } 3351 return size; 3352 } 3353 3354 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3355 // We calculate the max size of permissions defined by this uid and throw 3356 // if that plus the size of 'info' would exceed our stated maximum. 3357 if (tree.uid != Process.SYSTEM_UID) { 3358 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3359 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3360 throw new SecurityException("Permission tree size cap exceeded"); 3361 } 3362 } 3363 } 3364 3365 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3366 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3367 throw new SecurityException("Label must be specified in permission"); 3368 } 3369 BasePermission tree = checkPermissionTreeLP(info.name); 3370 BasePermission bp = mSettings.mPermissions.get(info.name); 3371 boolean added = bp == null; 3372 boolean changed = true; 3373 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3374 if (added) { 3375 enforcePermissionCapLocked(info, tree); 3376 bp = new BasePermission(info.name, tree.sourcePackage, 3377 BasePermission.TYPE_DYNAMIC); 3378 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3379 throw new SecurityException( 3380 "Not allowed to modify non-dynamic permission " 3381 + info.name); 3382 } else { 3383 if (bp.protectionLevel == fixedLevel 3384 && bp.perm.owner.equals(tree.perm.owner) 3385 && bp.uid == tree.uid 3386 && comparePermissionInfos(bp.perm.info, info)) { 3387 changed = false; 3388 } 3389 } 3390 bp.protectionLevel = fixedLevel; 3391 info = new PermissionInfo(info); 3392 info.protectionLevel = fixedLevel; 3393 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3394 bp.perm.info.packageName = tree.perm.info.packageName; 3395 bp.uid = tree.uid; 3396 if (added) { 3397 mSettings.mPermissions.put(info.name, bp); 3398 } 3399 if (changed) { 3400 if (!async) { 3401 mSettings.writeLPr(); 3402 } else { 3403 scheduleWriteSettingsLocked(); 3404 } 3405 } 3406 return added; 3407 } 3408 3409 @Override 3410 public boolean addPermission(PermissionInfo info) { 3411 synchronized (mPackages) { 3412 return addPermissionLocked(info, false); 3413 } 3414 } 3415 3416 @Override 3417 public boolean addPermissionAsync(PermissionInfo info) { 3418 synchronized (mPackages) { 3419 return addPermissionLocked(info, true); 3420 } 3421 } 3422 3423 @Override 3424 public void removePermission(String name) { 3425 synchronized (mPackages) { 3426 checkPermissionTreeLP(name); 3427 BasePermission bp = mSettings.mPermissions.get(name); 3428 if (bp != null) { 3429 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3430 throw new SecurityException( 3431 "Not allowed to modify non-dynamic permission " 3432 + name); 3433 } 3434 mSettings.mPermissions.remove(name); 3435 mSettings.writeLPr(); 3436 } 3437 } 3438 } 3439 3440 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3441 BasePermission bp) { 3442 int index = pkg.requestedPermissions.indexOf(bp.name); 3443 if (index == -1) { 3444 throw new SecurityException("Package " + pkg.packageName 3445 + " has not requested permission " + bp.name); 3446 } 3447 if (!bp.isRuntime() && !bp.isDevelopment()) { 3448 throw new SecurityException("Permission " + bp.name 3449 + " is not a changeable permission type"); 3450 } 3451 } 3452 3453 @Override 3454 public void grantRuntimePermission(String packageName, String name, final int userId) { 3455 if (!sUserManager.exists(userId)) { 3456 Log.e(TAG, "No such user:" + userId); 3457 return; 3458 } 3459 3460 mContext.enforceCallingOrSelfPermission( 3461 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3462 "grantRuntimePermission"); 3463 3464 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3465 "grantRuntimePermission"); 3466 3467 final int uid; 3468 final SettingBase sb; 3469 3470 synchronized (mPackages) { 3471 final PackageParser.Package pkg = mPackages.get(packageName); 3472 if (pkg == null) { 3473 throw new IllegalArgumentException("Unknown package: " + packageName); 3474 } 3475 3476 final BasePermission bp = mSettings.mPermissions.get(name); 3477 if (bp == null) { 3478 throw new IllegalArgumentException("Unknown permission: " + name); 3479 } 3480 3481 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3482 3483 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3484 sb = (SettingBase) pkg.mExtras; 3485 if (sb == null) { 3486 throw new IllegalArgumentException("Unknown package: " + packageName); 3487 } 3488 3489 final PermissionsState permissionsState = sb.getPermissionsState(); 3490 3491 final int flags = permissionsState.getPermissionFlags(name, userId); 3492 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3493 throw new SecurityException("Cannot grant system fixed permission: " 3494 + name + " for package: " + packageName); 3495 } 3496 3497 if (bp.isDevelopment()) { 3498 // Development permissions must be handled specially, since they are not 3499 // normal runtime permissions. For now they apply to all users. 3500 if (permissionsState.grantInstallPermission(bp) != 3501 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3502 scheduleWriteSettingsLocked(); 3503 } 3504 return; 3505 } 3506 3507 final int result = permissionsState.grantRuntimePermission(bp, userId); 3508 switch (result) { 3509 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3510 return; 3511 } 3512 3513 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3514 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3515 mHandler.post(new Runnable() { 3516 @Override 3517 public void run() { 3518 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3519 } 3520 }); 3521 } break; 3522 } 3523 3524 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3525 3526 // Not critical if that is lost - app has to request again. 3527 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3528 } 3529 3530 // Only need to do this if user is initialized. Otherwise it's a new user 3531 // and there are no processes running as the user yet and there's no need 3532 // to make an expensive call to remount processes for the changed permissions. 3533 if (READ_EXTERNAL_STORAGE.equals(name) 3534 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3535 final long token = Binder.clearCallingIdentity(); 3536 try { 3537 if (sUserManager.isInitialized(userId)) { 3538 MountServiceInternal mountServiceInternal = LocalServices.getService( 3539 MountServiceInternal.class); 3540 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3541 } 3542 } finally { 3543 Binder.restoreCallingIdentity(token); 3544 } 3545 } 3546 } 3547 3548 @Override 3549 public void revokeRuntimePermission(String packageName, String name, int userId) { 3550 if (!sUserManager.exists(userId)) { 3551 Log.e(TAG, "No such user:" + userId); 3552 return; 3553 } 3554 3555 mContext.enforceCallingOrSelfPermission( 3556 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3557 "revokeRuntimePermission"); 3558 3559 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3560 "revokeRuntimePermission"); 3561 3562 final int appId; 3563 3564 synchronized (mPackages) { 3565 final PackageParser.Package pkg = mPackages.get(packageName); 3566 if (pkg == null) { 3567 throw new IllegalArgumentException("Unknown package: " + packageName); 3568 } 3569 3570 final BasePermission bp = mSettings.mPermissions.get(name); 3571 if (bp == null) { 3572 throw new IllegalArgumentException("Unknown permission: " + name); 3573 } 3574 3575 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3576 3577 SettingBase sb = (SettingBase) pkg.mExtras; 3578 if (sb == null) { 3579 throw new IllegalArgumentException("Unknown package: " + packageName); 3580 } 3581 3582 final PermissionsState permissionsState = sb.getPermissionsState(); 3583 3584 final int flags = permissionsState.getPermissionFlags(name, userId); 3585 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3586 throw new SecurityException("Cannot revoke system fixed permission: " 3587 + name + " for package: " + packageName); 3588 } 3589 3590 if (bp.isDevelopment()) { 3591 // Development permissions must be handled specially, since they are not 3592 // normal runtime permissions. For now they apply to all users. 3593 if (permissionsState.revokeInstallPermission(bp) != 3594 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3595 scheduleWriteSettingsLocked(); 3596 } 3597 return; 3598 } 3599 3600 if (permissionsState.revokeRuntimePermission(bp, userId) == 3601 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3602 return; 3603 } 3604 3605 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3606 3607 // Critical, after this call app should never have the permission. 3608 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3609 3610 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3611 } 3612 3613 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3614 } 3615 3616 @Override 3617 public void resetRuntimePermissions() { 3618 mContext.enforceCallingOrSelfPermission( 3619 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3620 "revokeRuntimePermission"); 3621 3622 int callingUid = Binder.getCallingUid(); 3623 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3624 mContext.enforceCallingOrSelfPermission( 3625 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3626 "resetRuntimePermissions"); 3627 } 3628 3629 synchronized (mPackages) { 3630 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3631 for (int userId : UserManagerService.getInstance().getUserIds()) { 3632 final int packageCount = mPackages.size(); 3633 for (int i = 0; i < packageCount; i++) { 3634 PackageParser.Package pkg = mPackages.valueAt(i); 3635 if (!(pkg.mExtras instanceof PackageSetting)) { 3636 continue; 3637 } 3638 PackageSetting ps = (PackageSetting) pkg.mExtras; 3639 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3640 } 3641 } 3642 } 3643 } 3644 3645 @Override 3646 public int getPermissionFlags(String name, String packageName, int userId) { 3647 if (!sUserManager.exists(userId)) { 3648 return 0; 3649 } 3650 3651 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3652 3653 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3654 "getPermissionFlags"); 3655 3656 synchronized (mPackages) { 3657 final PackageParser.Package pkg = mPackages.get(packageName); 3658 if (pkg == null) { 3659 throw new IllegalArgumentException("Unknown package: " + packageName); 3660 } 3661 3662 final BasePermission bp = mSettings.mPermissions.get(name); 3663 if (bp == null) { 3664 throw new IllegalArgumentException("Unknown permission: " + name); 3665 } 3666 3667 SettingBase sb = (SettingBase) pkg.mExtras; 3668 if (sb == null) { 3669 throw new IllegalArgumentException("Unknown package: " + packageName); 3670 } 3671 3672 PermissionsState permissionsState = sb.getPermissionsState(); 3673 return permissionsState.getPermissionFlags(name, userId); 3674 } 3675 } 3676 3677 @Override 3678 public void updatePermissionFlags(String name, String packageName, int flagMask, 3679 int flagValues, int userId) { 3680 if (!sUserManager.exists(userId)) { 3681 return; 3682 } 3683 3684 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3685 3686 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3687 "updatePermissionFlags"); 3688 3689 // Only the system can change these flags and nothing else. 3690 if (getCallingUid() != Process.SYSTEM_UID) { 3691 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3692 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3693 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3694 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3695 } 3696 3697 synchronized (mPackages) { 3698 final PackageParser.Package pkg = mPackages.get(packageName); 3699 if (pkg == null) { 3700 throw new IllegalArgumentException("Unknown package: " + packageName); 3701 } 3702 3703 final BasePermission bp = mSettings.mPermissions.get(name); 3704 if (bp == null) { 3705 throw new IllegalArgumentException("Unknown permission: " + name); 3706 } 3707 3708 SettingBase sb = (SettingBase) pkg.mExtras; 3709 if (sb == null) { 3710 throw new IllegalArgumentException("Unknown package: " + packageName); 3711 } 3712 3713 PermissionsState permissionsState = sb.getPermissionsState(); 3714 3715 // Only the package manager can change flags for system component permissions. 3716 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3717 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3718 return; 3719 } 3720 3721 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3722 3723 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3724 // Install and runtime permissions are stored in different places, 3725 // so figure out what permission changed and persist the change. 3726 if (permissionsState.getInstallPermissionState(name) != null) { 3727 scheduleWriteSettingsLocked(); 3728 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3729 || hadState) { 3730 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3731 } 3732 } 3733 } 3734 } 3735 3736 /** 3737 * Update the permission flags for all packages and runtime permissions of a user in order 3738 * to allow device or profile owner to remove POLICY_FIXED. 3739 */ 3740 @Override 3741 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3742 if (!sUserManager.exists(userId)) { 3743 return; 3744 } 3745 3746 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3747 3748 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3749 "updatePermissionFlagsForAllApps"); 3750 3751 // Only the system can change system fixed flags. 3752 if (getCallingUid() != Process.SYSTEM_UID) { 3753 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3754 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3755 } 3756 3757 synchronized (mPackages) { 3758 boolean changed = false; 3759 final int packageCount = mPackages.size(); 3760 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3761 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3762 SettingBase sb = (SettingBase) pkg.mExtras; 3763 if (sb == null) { 3764 continue; 3765 } 3766 PermissionsState permissionsState = sb.getPermissionsState(); 3767 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3768 userId, flagMask, flagValues); 3769 } 3770 if (changed) { 3771 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3772 } 3773 } 3774 } 3775 3776 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3777 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3778 != PackageManager.PERMISSION_GRANTED 3779 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3780 != PackageManager.PERMISSION_GRANTED) { 3781 throw new SecurityException(message + " requires " 3782 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3783 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3784 } 3785 } 3786 3787 @Override 3788 public boolean shouldShowRequestPermissionRationale(String permissionName, 3789 String packageName, int userId) { 3790 if (UserHandle.getCallingUserId() != userId) { 3791 mContext.enforceCallingPermission( 3792 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3793 "canShowRequestPermissionRationale for user " + userId); 3794 } 3795 3796 final int uid = getPackageUid(packageName, userId); 3797 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3798 return false; 3799 } 3800 3801 if (checkPermission(permissionName, packageName, userId) 3802 == PackageManager.PERMISSION_GRANTED) { 3803 return false; 3804 } 3805 3806 final int flags; 3807 3808 final long identity = Binder.clearCallingIdentity(); 3809 try { 3810 flags = getPermissionFlags(permissionName, 3811 packageName, userId); 3812 } finally { 3813 Binder.restoreCallingIdentity(identity); 3814 } 3815 3816 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3817 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3818 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3819 3820 if ((flags & fixedFlags) != 0) { 3821 return false; 3822 } 3823 3824 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3825 } 3826 3827 @Override 3828 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3829 mContext.enforceCallingOrSelfPermission( 3830 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3831 "addOnPermissionsChangeListener"); 3832 3833 synchronized (mPackages) { 3834 mOnPermissionChangeListeners.addListenerLocked(listener); 3835 } 3836 } 3837 3838 @Override 3839 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3840 synchronized (mPackages) { 3841 mOnPermissionChangeListeners.removeListenerLocked(listener); 3842 } 3843 } 3844 3845 @Override 3846 public boolean isProtectedBroadcast(String actionName) { 3847 synchronized (mPackages) { 3848 return mProtectedBroadcasts.contains(actionName); 3849 } 3850 } 3851 3852 @Override 3853 public int checkSignatures(String pkg1, String pkg2) { 3854 synchronized (mPackages) { 3855 final PackageParser.Package p1 = mPackages.get(pkg1); 3856 final PackageParser.Package p2 = mPackages.get(pkg2); 3857 if (p1 == null || p1.mExtras == null 3858 || p2 == null || p2.mExtras == null) { 3859 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3860 } 3861 return compareSignatures(p1.mSignatures, p2.mSignatures); 3862 } 3863 } 3864 3865 @Override 3866 public int checkUidSignatures(int uid1, int uid2) { 3867 // Map to base uids. 3868 uid1 = UserHandle.getAppId(uid1); 3869 uid2 = UserHandle.getAppId(uid2); 3870 // reader 3871 synchronized (mPackages) { 3872 Signature[] s1; 3873 Signature[] s2; 3874 Object obj = mSettings.getUserIdLPr(uid1); 3875 if (obj != null) { 3876 if (obj instanceof SharedUserSetting) { 3877 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3878 } else if (obj instanceof PackageSetting) { 3879 s1 = ((PackageSetting)obj).signatures.mSignatures; 3880 } else { 3881 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3882 } 3883 } else { 3884 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3885 } 3886 obj = mSettings.getUserIdLPr(uid2); 3887 if (obj != null) { 3888 if (obj instanceof SharedUserSetting) { 3889 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3890 } else if (obj instanceof PackageSetting) { 3891 s2 = ((PackageSetting)obj).signatures.mSignatures; 3892 } else { 3893 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3894 } 3895 } else { 3896 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3897 } 3898 return compareSignatures(s1, s2); 3899 } 3900 } 3901 3902 private void killUid(int appId, int userId, String reason) { 3903 final long identity = Binder.clearCallingIdentity(); 3904 try { 3905 IActivityManager am = ActivityManagerNative.getDefault(); 3906 if (am != null) { 3907 try { 3908 am.killUid(appId, userId, reason); 3909 } catch (RemoteException e) { 3910 /* ignore - same process */ 3911 } 3912 } 3913 } finally { 3914 Binder.restoreCallingIdentity(identity); 3915 } 3916 } 3917 3918 /** 3919 * Compares two sets of signatures. Returns: 3920 * <br /> 3921 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3922 * <br /> 3923 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3924 * <br /> 3925 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3926 * <br /> 3927 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3928 * <br /> 3929 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3930 */ 3931 static int compareSignatures(Signature[] s1, Signature[] s2) { 3932 if (s1 == null) { 3933 return s2 == null 3934 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3935 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3936 } 3937 3938 if (s2 == null) { 3939 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3940 } 3941 3942 if (s1.length != s2.length) { 3943 return PackageManager.SIGNATURE_NO_MATCH; 3944 } 3945 3946 // Since both signature sets are of size 1, we can compare without HashSets. 3947 if (s1.length == 1) { 3948 return s1[0].equals(s2[0]) ? 3949 PackageManager.SIGNATURE_MATCH : 3950 PackageManager.SIGNATURE_NO_MATCH; 3951 } 3952 3953 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3954 for (Signature sig : s1) { 3955 set1.add(sig); 3956 } 3957 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3958 for (Signature sig : s2) { 3959 set2.add(sig); 3960 } 3961 // Make sure s2 contains all signatures in s1. 3962 if (set1.equals(set2)) { 3963 return PackageManager.SIGNATURE_MATCH; 3964 } 3965 return PackageManager.SIGNATURE_NO_MATCH; 3966 } 3967 3968 /** 3969 * If the database version for this type of package (internal storage or 3970 * external storage) is less than the version where package signatures 3971 * were updated, return true. 3972 */ 3973 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3974 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 3975 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 3976 } 3977 3978 /** 3979 * Used for backward compatibility to make sure any packages with 3980 * certificate chains get upgraded to the new style. {@code existingSigs} 3981 * will be in the old format (since they were stored on disk from before the 3982 * system upgrade) and {@code scannedSigs} will be in the newer format. 3983 */ 3984 private int compareSignaturesCompat(PackageSignatures existingSigs, 3985 PackageParser.Package scannedPkg) { 3986 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3987 return PackageManager.SIGNATURE_NO_MATCH; 3988 } 3989 3990 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3991 for (Signature sig : existingSigs.mSignatures) { 3992 existingSet.add(sig); 3993 } 3994 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3995 for (Signature sig : scannedPkg.mSignatures) { 3996 try { 3997 Signature[] chainSignatures = sig.getChainSignatures(); 3998 for (Signature chainSig : chainSignatures) { 3999 scannedCompatSet.add(chainSig); 4000 } 4001 } catch (CertificateEncodingException e) { 4002 scannedCompatSet.add(sig); 4003 } 4004 } 4005 /* 4006 * Make sure the expanded scanned set contains all signatures in the 4007 * existing one. 4008 */ 4009 if (scannedCompatSet.equals(existingSet)) { 4010 // Migrate the old signatures to the new scheme. 4011 existingSigs.assignSignatures(scannedPkg.mSignatures); 4012 // The new KeySets will be re-added later in the scanning process. 4013 synchronized (mPackages) { 4014 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4015 } 4016 return PackageManager.SIGNATURE_MATCH; 4017 } 4018 return PackageManager.SIGNATURE_NO_MATCH; 4019 } 4020 4021 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4022 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4023 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4024 } 4025 4026 private int compareSignaturesRecover(PackageSignatures existingSigs, 4027 PackageParser.Package scannedPkg) { 4028 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4029 return PackageManager.SIGNATURE_NO_MATCH; 4030 } 4031 4032 String msg = null; 4033 try { 4034 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4035 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4036 + scannedPkg.packageName); 4037 return PackageManager.SIGNATURE_MATCH; 4038 } 4039 } catch (CertificateException e) { 4040 msg = e.getMessage(); 4041 } 4042 4043 logCriticalInfo(Log.INFO, 4044 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4045 return PackageManager.SIGNATURE_NO_MATCH; 4046 } 4047 4048 @Override 4049 public String[] getPackagesForUid(int uid) { 4050 uid = UserHandle.getAppId(uid); 4051 // reader 4052 synchronized (mPackages) { 4053 Object obj = mSettings.getUserIdLPr(uid); 4054 if (obj instanceof SharedUserSetting) { 4055 final SharedUserSetting sus = (SharedUserSetting) obj; 4056 final int N = sus.packages.size(); 4057 final String[] res = new String[N]; 4058 final Iterator<PackageSetting> it = sus.packages.iterator(); 4059 int i = 0; 4060 while (it.hasNext()) { 4061 res[i++] = it.next().name; 4062 } 4063 return res; 4064 } else if (obj instanceof PackageSetting) { 4065 final PackageSetting ps = (PackageSetting) obj; 4066 return new String[] { ps.name }; 4067 } 4068 } 4069 return null; 4070 } 4071 4072 @Override 4073 public String getNameForUid(int uid) { 4074 // reader 4075 synchronized (mPackages) { 4076 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4077 if (obj instanceof SharedUserSetting) { 4078 final SharedUserSetting sus = (SharedUserSetting) obj; 4079 return sus.name + ":" + sus.userId; 4080 } else if (obj instanceof PackageSetting) { 4081 final PackageSetting ps = (PackageSetting) obj; 4082 return ps.name; 4083 } 4084 } 4085 return null; 4086 } 4087 4088 @Override 4089 public int getUidForSharedUser(String sharedUserName) { 4090 if(sharedUserName == null) { 4091 return -1; 4092 } 4093 // reader 4094 synchronized (mPackages) { 4095 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4096 if (suid == null) { 4097 return -1; 4098 } 4099 return suid.userId; 4100 } 4101 } 4102 4103 @Override 4104 public int getFlagsForUid(int uid) { 4105 synchronized (mPackages) { 4106 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4107 if (obj instanceof SharedUserSetting) { 4108 final SharedUserSetting sus = (SharedUserSetting) obj; 4109 return sus.pkgFlags; 4110 } else if (obj instanceof PackageSetting) { 4111 final PackageSetting ps = (PackageSetting) obj; 4112 return ps.pkgFlags; 4113 } 4114 } 4115 return 0; 4116 } 4117 4118 @Override 4119 public int getPrivateFlagsForUid(int uid) { 4120 synchronized (mPackages) { 4121 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4122 if (obj instanceof SharedUserSetting) { 4123 final SharedUserSetting sus = (SharedUserSetting) obj; 4124 return sus.pkgPrivateFlags; 4125 } else if (obj instanceof PackageSetting) { 4126 final PackageSetting ps = (PackageSetting) obj; 4127 return ps.pkgPrivateFlags; 4128 } 4129 } 4130 return 0; 4131 } 4132 4133 @Override 4134 public boolean isUidPrivileged(int uid) { 4135 uid = UserHandle.getAppId(uid); 4136 // reader 4137 synchronized (mPackages) { 4138 Object obj = mSettings.getUserIdLPr(uid); 4139 if (obj instanceof SharedUserSetting) { 4140 final SharedUserSetting sus = (SharedUserSetting) obj; 4141 final Iterator<PackageSetting> it = sus.packages.iterator(); 4142 while (it.hasNext()) { 4143 if (it.next().isPrivileged()) { 4144 return true; 4145 } 4146 } 4147 } else if (obj instanceof PackageSetting) { 4148 final PackageSetting ps = (PackageSetting) obj; 4149 return ps.isPrivileged(); 4150 } 4151 } 4152 return false; 4153 } 4154 4155 @Override 4156 public String[] getAppOpPermissionPackages(String permissionName) { 4157 synchronized (mPackages) { 4158 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4159 if (pkgs == null) { 4160 return null; 4161 } 4162 return pkgs.toArray(new String[pkgs.size()]); 4163 } 4164 } 4165 4166 @Override 4167 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4168 int flags, int userId) { 4169 if (!sUserManager.exists(userId)) return null; 4170 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4171 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4172 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4173 } 4174 4175 @Override 4176 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4177 IntentFilter filter, int match, ComponentName activity) { 4178 final int userId = UserHandle.getCallingUserId(); 4179 if (DEBUG_PREFERRED) { 4180 Log.v(TAG, "setLastChosenActivity intent=" + intent 4181 + " resolvedType=" + resolvedType 4182 + " flags=" + flags 4183 + " filter=" + filter 4184 + " match=" + match 4185 + " activity=" + activity); 4186 filter.dump(new PrintStreamPrinter(System.out), " "); 4187 } 4188 intent.setComponent(null); 4189 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4190 // Find any earlier preferred or last chosen entries and nuke them 4191 findPreferredActivity(intent, resolvedType, 4192 flags, query, 0, false, true, false, userId); 4193 // Add the new activity as the last chosen for this filter 4194 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4195 "Setting last chosen"); 4196 } 4197 4198 @Override 4199 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4200 final int userId = UserHandle.getCallingUserId(); 4201 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4202 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4203 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4204 false, false, false, userId); 4205 } 4206 4207 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4208 int flags, List<ResolveInfo> query, int userId) { 4209 if (query != null) { 4210 final int N = query.size(); 4211 if (N == 1) { 4212 return query.get(0); 4213 } else if (N > 1) { 4214 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4215 // If there is more than one activity with the same priority, 4216 // then let the user decide between them. 4217 ResolveInfo r0 = query.get(0); 4218 ResolveInfo r1 = query.get(1); 4219 if (DEBUG_INTENT_MATCHING || debug) { 4220 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4221 + r1.activityInfo.name + "=" + r1.priority); 4222 } 4223 // If the first activity has a higher priority, or a different 4224 // default, then it is always desireable to pick it. 4225 if (r0.priority != r1.priority 4226 || r0.preferredOrder != r1.preferredOrder 4227 || r0.isDefault != r1.isDefault) { 4228 return query.get(0); 4229 } 4230 // If we have saved a preference for a preferred activity for 4231 // this Intent, use that. 4232 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4233 flags, query, r0.priority, true, false, debug, userId); 4234 if (ri != null) { 4235 return ri; 4236 } 4237 ri = new ResolveInfo(mResolveInfo); 4238 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4239 ri.activityInfo.applicationInfo = new ApplicationInfo( 4240 ri.activityInfo.applicationInfo); 4241 if (userId != 0) { 4242 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4243 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4244 } 4245 // Make sure that the resolver is displayable in car mode 4246 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4247 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4248 return ri; 4249 } 4250 } 4251 return null; 4252 } 4253 4254 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4255 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4256 final int N = query.size(); 4257 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4258 .get(userId); 4259 // Get the list of persistent preferred activities that handle the intent 4260 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4261 List<PersistentPreferredActivity> pprefs = ppir != null 4262 ? ppir.queryIntent(intent, resolvedType, 4263 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4264 : null; 4265 if (pprefs != null && pprefs.size() > 0) { 4266 final int M = pprefs.size(); 4267 for (int i=0; i<M; i++) { 4268 final PersistentPreferredActivity ppa = pprefs.get(i); 4269 if (DEBUG_PREFERRED || debug) { 4270 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4271 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4272 + "\n component=" + ppa.mComponent); 4273 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4274 } 4275 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4276 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4277 if (DEBUG_PREFERRED || debug) { 4278 Slog.v(TAG, "Found persistent preferred activity:"); 4279 if (ai != null) { 4280 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4281 } else { 4282 Slog.v(TAG, " null"); 4283 } 4284 } 4285 if (ai == null) { 4286 // This previously registered persistent preferred activity 4287 // component is no longer known. Ignore it and do NOT remove it. 4288 continue; 4289 } 4290 for (int j=0; j<N; j++) { 4291 final ResolveInfo ri = query.get(j); 4292 if (!ri.activityInfo.applicationInfo.packageName 4293 .equals(ai.applicationInfo.packageName)) { 4294 continue; 4295 } 4296 if (!ri.activityInfo.name.equals(ai.name)) { 4297 continue; 4298 } 4299 // Found a persistent preference that can handle the intent. 4300 if (DEBUG_PREFERRED || debug) { 4301 Slog.v(TAG, "Returning persistent preferred activity: " + 4302 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4303 } 4304 return ri; 4305 } 4306 } 4307 } 4308 return null; 4309 } 4310 4311 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4312 List<ResolveInfo> query, int priority, boolean always, 4313 boolean removeMatches, boolean debug, int userId) { 4314 if (!sUserManager.exists(userId)) return null; 4315 // writer 4316 synchronized (mPackages) { 4317 if (intent.getSelector() != null) { 4318 intent = intent.getSelector(); 4319 } 4320 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4321 4322 // Try to find a matching persistent preferred activity. 4323 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4324 debug, userId); 4325 4326 // If a persistent preferred activity matched, use it. 4327 if (pri != null) { 4328 return pri; 4329 } 4330 4331 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4332 // Get the list of preferred activities that handle the intent 4333 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4334 List<PreferredActivity> prefs = pir != null 4335 ? pir.queryIntent(intent, resolvedType, 4336 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4337 : null; 4338 if (prefs != null && prefs.size() > 0) { 4339 boolean changed = false; 4340 try { 4341 // First figure out how good the original match set is. 4342 // We will only allow preferred activities that came 4343 // from the same match quality. 4344 int match = 0; 4345 4346 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4347 4348 final int N = query.size(); 4349 for (int j=0; j<N; j++) { 4350 final ResolveInfo ri = query.get(j); 4351 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4352 + ": 0x" + Integer.toHexString(match)); 4353 if (ri.match > match) { 4354 match = ri.match; 4355 } 4356 } 4357 4358 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4359 + Integer.toHexString(match)); 4360 4361 match &= IntentFilter.MATCH_CATEGORY_MASK; 4362 final int M = prefs.size(); 4363 for (int i=0; i<M; i++) { 4364 final PreferredActivity pa = prefs.get(i); 4365 if (DEBUG_PREFERRED || debug) { 4366 Slog.v(TAG, "Checking PreferredActivity ds=" 4367 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4368 + "\n component=" + pa.mPref.mComponent); 4369 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4370 } 4371 if (pa.mPref.mMatch != match) { 4372 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4373 + Integer.toHexString(pa.mPref.mMatch)); 4374 continue; 4375 } 4376 // If it's not an "always" type preferred activity and that's what we're 4377 // looking for, skip it. 4378 if (always && !pa.mPref.mAlways) { 4379 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4380 continue; 4381 } 4382 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4383 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4384 if (DEBUG_PREFERRED || debug) { 4385 Slog.v(TAG, "Found preferred activity:"); 4386 if (ai != null) { 4387 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4388 } else { 4389 Slog.v(TAG, " null"); 4390 } 4391 } 4392 if (ai == null) { 4393 // This previously registered preferred activity 4394 // component is no longer known. Most likely an update 4395 // to the app was installed and in the new version this 4396 // component no longer exists. Clean it up by removing 4397 // it from the preferred activities list, and skip it. 4398 Slog.w(TAG, "Removing dangling preferred activity: " 4399 + pa.mPref.mComponent); 4400 pir.removeFilter(pa); 4401 changed = true; 4402 continue; 4403 } 4404 for (int j=0; j<N; j++) { 4405 final ResolveInfo ri = query.get(j); 4406 if (!ri.activityInfo.applicationInfo.packageName 4407 .equals(ai.applicationInfo.packageName)) { 4408 continue; 4409 } 4410 if (!ri.activityInfo.name.equals(ai.name)) { 4411 continue; 4412 } 4413 4414 if (removeMatches) { 4415 pir.removeFilter(pa); 4416 changed = true; 4417 if (DEBUG_PREFERRED) { 4418 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4419 } 4420 break; 4421 } 4422 4423 // Okay we found a previously set preferred or last chosen app. 4424 // If the result set is different from when this 4425 // was created, we need to clear it and re-ask the 4426 // user their preference, if we're looking for an "always" type entry. 4427 if (always && !pa.mPref.sameSet(query)) { 4428 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4429 + intent + " type " + resolvedType); 4430 if (DEBUG_PREFERRED) { 4431 Slog.v(TAG, "Removing preferred activity since set changed " 4432 + pa.mPref.mComponent); 4433 } 4434 pir.removeFilter(pa); 4435 // Re-add the filter as a "last chosen" entry (!always) 4436 PreferredActivity lastChosen = new PreferredActivity( 4437 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4438 pir.addFilter(lastChosen); 4439 changed = true; 4440 return null; 4441 } 4442 4443 // Yay! Either the set matched or we're looking for the last chosen 4444 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4445 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4446 return ri; 4447 } 4448 } 4449 } finally { 4450 if (changed) { 4451 if (DEBUG_PREFERRED) { 4452 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4453 } 4454 scheduleWritePackageRestrictionsLocked(userId); 4455 } 4456 } 4457 } 4458 } 4459 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4460 return null; 4461 } 4462 4463 /* 4464 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4465 */ 4466 @Override 4467 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4468 int targetUserId) { 4469 mContext.enforceCallingOrSelfPermission( 4470 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4471 List<CrossProfileIntentFilter> matches = 4472 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4473 if (matches != null) { 4474 int size = matches.size(); 4475 for (int i = 0; i < size; i++) { 4476 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4477 } 4478 } 4479 if (hasWebURI(intent)) { 4480 // cross-profile app linking works only towards the parent. 4481 final UserInfo parent = getProfileParent(sourceUserId); 4482 synchronized(mPackages) { 4483 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4484 intent, resolvedType, 0, sourceUserId, parent.id); 4485 return xpDomainInfo != null; 4486 } 4487 } 4488 return false; 4489 } 4490 4491 private UserInfo getProfileParent(int userId) { 4492 final long identity = Binder.clearCallingIdentity(); 4493 try { 4494 return sUserManager.getProfileParent(userId); 4495 } finally { 4496 Binder.restoreCallingIdentity(identity); 4497 } 4498 } 4499 4500 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4501 String resolvedType, int userId) { 4502 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4503 if (resolver != null) { 4504 return resolver.queryIntent(intent, resolvedType, false, userId); 4505 } 4506 return null; 4507 } 4508 4509 @Override 4510 public List<ResolveInfo> queryIntentActivities(Intent intent, 4511 String resolvedType, int flags, int userId) { 4512 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4513 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4514 ComponentName comp = intent.getComponent(); 4515 if (comp == null) { 4516 if (intent.getSelector() != null) { 4517 intent = intent.getSelector(); 4518 comp = intent.getComponent(); 4519 } 4520 } 4521 4522 if (comp != null) { 4523 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4524 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4525 if (ai != null) { 4526 final ResolveInfo ri = new ResolveInfo(); 4527 ri.activityInfo = ai; 4528 list.add(ri); 4529 } 4530 return list; 4531 } 4532 4533 // reader 4534 synchronized (mPackages) { 4535 final String pkgName = intent.getPackage(); 4536 if (pkgName == null) { 4537 List<CrossProfileIntentFilter> matchingFilters = 4538 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4539 // Check for results that need to skip the current profile. 4540 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4541 resolvedType, flags, userId); 4542 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4543 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4544 result.add(xpResolveInfo); 4545 return filterIfNotPrimaryUser(result, userId); 4546 } 4547 4548 // Check for results in the current profile. 4549 List<ResolveInfo> result = mActivities.queryIntent( 4550 intent, resolvedType, flags, userId); 4551 4552 // Check for cross profile results. 4553 xpResolveInfo = queryCrossProfileIntents( 4554 matchingFilters, intent, resolvedType, flags, userId); 4555 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4556 result.add(xpResolveInfo); 4557 Collections.sort(result, mResolvePrioritySorter); 4558 } 4559 result = filterIfNotPrimaryUser(result, userId); 4560 if (hasWebURI(intent)) { 4561 CrossProfileDomainInfo xpDomainInfo = null; 4562 final UserInfo parent = getProfileParent(userId); 4563 if (parent != null) { 4564 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4565 flags, userId, parent.id); 4566 } 4567 if (xpDomainInfo != null) { 4568 if (xpResolveInfo != null) { 4569 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4570 // in the result. 4571 result.remove(xpResolveInfo); 4572 } 4573 if (result.size() == 0) { 4574 result.add(xpDomainInfo.resolveInfo); 4575 return result; 4576 } 4577 } else if (result.size() <= 1) { 4578 return result; 4579 } 4580 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4581 xpDomainInfo, userId); 4582 Collections.sort(result, mResolvePrioritySorter); 4583 } 4584 return result; 4585 } 4586 final PackageParser.Package pkg = mPackages.get(pkgName); 4587 if (pkg != null) { 4588 return filterIfNotPrimaryUser( 4589 mActivities.queryIntentForPackage( 4590 intent, resolvedType, flags, pkg.activities, userId), 4591 userId); 4592 } 4593 return new ArrayList<ResolveInfo>(); 4594 } 4595 } 4596 4597 private static class CrossProfileDomainInfo { 4598 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4599 ResolveInfo resolveInfo; 4600 /* Best domain verification status of the activities found in the other profile */ 4601 int bestDomainVerificationStatus; 4602 } 4603 4604 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4605 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4606 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4607 sourceUserId)) { 4608 return null; 4609 } 4610 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4611 resolvedType, flags, parentUserId); 4612 4613 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4614 return null; 4615 } 4616 CrossProfileDomainInfo result = null; 4617 int size = resultTargetUser.size(); 4618 for (int i = 0; i < size; i++) { 4619 ResolveInfo riTargetUser = resultTargetUser.get(i); 4620 // Intent filter verification is only for filters that specify a host. So don't return 4621 // those that handle all web uris. 4622 if (riTargetUser.handleAllWebDataURI) { 4623 continue; 4624 } 4625 String packageName = riTargetUser.activityInfo.packageName; 4626 PackageSetting ps = mSettings.mPackages.get(packageName); 4627 if (ps == null) { 4628 continue; 4629 } 4630 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4631 int status = (int)(verificationState >> 32); 4632 if (result == null) { 4633 result = new CrossProfileDomainInfo(); 4634 result.resolveInfo = 4635 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4636 result.bestDomainVerificationStatus = status; 4637 } else { 4638 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4639 result.bestDomainVerificationStatus); 4640 } 4641 } 4642 // Don't consider matches with status NEVER across profiles. 4643 if (result != null && result.bestDomainVerificationStatus 4644 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4645 return null; 4646 } 4647 return result; 4648 } 4649 4650 /** 4651 * Verification statuses are ordered from the worse to the best, except for 4652 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4653 */ 4654 private int bestDomainVerificationStatus(int status1, int status2) { 4655 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4656 return status2; 4657 } 4658 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4659 return status1; 4660 } 4661 return (int) MathUtils.max(status1, status2); 4662 } 4663 4664 private boolean isUserEnabled(int userId) { 4665 long callingId = Binder.clearCallingIdentity(); 4666 try { 4667 UserInfo userInfo = sUserManager.getUserInfo(userId); 4668 return userInfo != null && userInfo.isEnabled(); 4669 } finally { 4670 Binder.restoreCallingIdentity(callingId); 4671 } 4672 } 4673 4674 /** 4675 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4676 * 4677 * @return filtered list 4678 */ 4679 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4680 if (userId == UserHandle.USER_OWNER) { 4681 return resolveInfos; 4682 } 4683 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4684 ResolveInfo info = resolveInfos.get(i); 4685 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4686 resolveInfos.remove(i); 4687 } 4688 } 4689 return resolveInfos; 4690 } 4691 4692 private static boolean hasWebURI(Intent intent) { 4693 if (intent.getData() == null) { 4694 return false; 4695 } 4696 final String scheme = intent.getScheme(); 4697 if (TextUtils.isEmpty(scheme)) { 4698 return false; 4699 } 4700 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4701 } 4702 4703 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4704 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4705 int userId) { 4706 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4707 4708 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4709 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4710 candidates.size()); 4711 } 4712 4713 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4714 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4715 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4716 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4717 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4718 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4719 4720 synchronized (mPackages) { 4721 final int count = candidates.size(); 4722 // First, try to use linked apps. Partition the candidates into four lists: 4723 // one for the final results, one for the "do not use ever", one for "undefined status" 4724 // and finally one for "browser app type". 4725 for (int n=0; n<count; n++) { 4726 ResolveInfo info = candidates.get(n); 4727 String packageName = info.activityInfo.packageName; 4728 PackageSetting ps = mSettings.mPackages.get(packageName); 4729 if (ps != null) { 4730 // Add to the special match all list (Browser use case) 4731 if (info.handleAllWebDataURI) { 4732 matchAllList.add(info); 4733 continue; 4734 } 4735 // Try to get the status from User settings first 4736 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4737 int status = (int)(packedStatus >> 32); 4738 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4739 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4740 if (DEBUG_DOMAIN_VERIFICATION) { 4741 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4742 + " : linkgen=" + linkGeneration); 4743 } 4744 // Use link-enabled generation as preferredOrder, i.e. 4745 // prefer newly-enabled over earlier-enabled. 4746 info.preferredOrder = linkGeneration; 4747 alwaysList.add(info); 4748 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4749 if (DEBUG_DOMAIN_VERIFICATION) { 4750 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4751 } 4752 neverList.add(info); 4753 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4754 if (DEBUG_DOMAIN_VERIFICATION) { 4755 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4756 } 4757 alwaysAskList.add(info); 4758 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4759 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4760 if (DEBUG_DOMAIN_VERIFICATION) { 4761 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4762 } 4763 undefinedList.add(info); 4764 } 4765 } 4766 } 4767 4768 // We'll want to include browser possibilities in a few cases 4769 boolean includeBrowser = false; 4770 4771 // First try to add the "always" resolution(s) for the current user, if any 4772 if (alwaysList.size() > 0) { 4773 result.addAll(alwaysList); 4774 // if there is an "always" for the parent user, add it. 4775 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4776 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4777 result.add(xpDomainInfo.resolveInfo); 4778 } else { 4779 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4780 result.addAll(undefinedList); 4781 if (xpDomainInfo != null && ( 4782 xpDomainInfo.bestDomainVerificationStatus 4783 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4784 || xpDomainInfo.bestDomainVerificationStatus 4785 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4786 result.add(xpDomainInfo.resolveInfo); 4787 } 4788 includeBrowser = true; 4789 } 4790 4791 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4792 // If there were 'always' entries their preferred order has been set, so we also 4793 // back that off to make the alternatives equivalent 4794 if (alwaysAskList.size() > 0) { 4795 for (ResolveInfo i : result) { 4796 i.preferredOrder = 0; 4797 } 4798 result.addAll(alwaysAskList); 4799 includeBrowser = true; 4800 } 4801 4802 if (includeBrowser) { 4803 // Also add browsers (all of them or only the default one) 4804 if (DEBUG_DOMAIN_VERIFICATION) { 4805 Slog.v(TAG, " ...including browsers in candidate set"); 4806 } 4807 if ((matchFlags & MATCH_ALL) != 0) { 4808 result.addAll(matchAllList); 4809 } else { 4810 // Browser/generic handling case. If there's a default browser, go straight 4811 // to that (but only if there is no other higher-priority match). 4812 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4813 int maxMatchPrio = 0; 4814 ResolveInfo defaultBrowserMatch = null; 4815 final int numCandidates = matchAllList.size(); 4816 for (int n = 0; n < numCandidates; n++) { 4817 ResolveInfo info = matchAllList.get(n); 4818 // track the highest overall match priority... 4819 if (info.priority > maxMatchPrio) { 4820 maxMatchPrio = info.priority; 4821 } 4822 // ...and the highest-priority default browser match 4823 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4824 if (defaultBrowserMatch == null 4825 || (defaultBrowserMatch.priority < info.priority)) { 4826 if (debug) { 4827 Slog.v(TAG, "Considering default browser match " + info); 4828 } 4829 defaultBrowserMatch = info; 4830 } 4831 } 4832 } 4833 if (defaultBrowserMatch != null 4834 && defaultBrowserMatch.priority >= maxMatchPrio 4835 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4836 { 4837 if (debug) { 4838 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4839 } 4840 result.add(defaultBrowserMatch); 4841 } else { 4842 result.addAll(matchAllList); 4843 } 4844 } 4845 4846 // If there is nothing selected, add all candidates and remove the ones that the user 4847 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4848 if (result.size() == 0) { 4849 result.addAll(candidates); 4850 result.removeAll(neverList); 4851 } 4852 } 4853 } 4854 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4855 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4856 result.size()); 4857 for (ResolveInfo info : result) { 4858 Slog.v(TAG, " + " + info.activityInfo); 4859 } 4860 } 4861 return result; 4862 } 4863 4864 // Returns a packed value as a long: 4865 // 4866 // high 'int'-sized word: link status: undefined/ask/never/always. 4867 // low 'int'-sized word: relative priority among 'always' results. 4868 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4869 long result = ps.getDomainVerificationStatusForUser(userId); 4870 // if none available, get the master status 4871 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4872 if (ps.getIntentFilterVerificationInfo() != null) { 4873 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4874 } 4875 } 4876 return result; 4877 } 4878 4879 private ResolveInfo querySkipCurrentProfileIntents( 4880 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4881 int flags, int sourceUserId) { 4882 if (matchingFilters != null) { 4883 int size = matchingFilters.size(); 4884 for (int i = 0; i < size; i ++) { 4885 CrossProfileIntentFilter filter = matchingFilters.get(i); 4886 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4887 // Checking if there are activities in the target user that can handle the 4888 // intent. 4889 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4890 flags, sourceUserId); 4891 if (resolveInfo != null) { 4892 return resolveInfo; 4893 } 4894 } 4895 } 4896 } 4897 return null; 4898 } 4899 4900 // Return matching ResolveInfo if any for skip current profile intent filters. 4901 private ResolveInfo queryCrossProfileIntents( 4902 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4903 int flags, int sourceUserId) { 4904 if (matchingFilters != null) { 4905 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4906 // match the same intent. For performance reasons, it is better not to 4907 // run queryIntent twice for the same userId 4908 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4909 int size = matchingFilters.size(); 4910 for (int i = 0; i < size; i++) { 4911 CrossProfileIntentFilter filter = matchingFilters.get(i); 4912 int targetUserId = filter.getTargetUserId(); 4913 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4914 && !alreadyTriedUserIds.get(targetUserId)) { 4915 // Checking if there are activities in the target user that can handle the 4916 // intent. 4917 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4918 flags, sourceUserId); 4919 if (resolveInfo != null) return resolveInfo; 4920 alreadyTriedUserIds.put(targetUserId, true); 4921 } 4922 } 4923 } 4924 return null; 4925 } 4926 4927 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4928 String resolvedType, int flags, int sourceUserId) { 4929 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4930 resolvedType, flags, filter.getTargetUserId()); 4931 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4932 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4933 } 4934 return null; 4935 } 4936 4937 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4938 int sourceUserId, int targetUserId) { 4939 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4940 String className; 4941 if (targetUserId == UserHandle.USER_OWNER) { 4942 className = FORWARD_INTENT_TO_USER_OWNER; 4943 } else { 4944 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4945 } 4946 ComponentName forwardingActivityComponentName = new ComponentName( 4947 mAndroidApplication.packageName, className); 4948 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4949 sourceUserId); 4950 if (targetUserId == UserHandle.USER_OWNER) { 4951 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4952 forwardingResolveInfo.noResourceId = true; 4953 } 4954 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4955 forwardingResolveInfo.priority = 0; 4956 forwardingResolveInfo.preferredOrder = 0; 4957 forwardingResolveInfo.match = 0; 4958 forwardingResolveInfo.isDefault = true; 4959 forwardingResolveInfo.filter = filter; 4960 forwardingResolveInfo.targetUserId = targetUserId; 4961 return forwardingResolveInfo; 4962 } 4963 4964 @Override 4965 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4966 Intent[] specifics, String[] specificTypes, Intent intent, 4967 String resolvedType, int flags, int userId) { 4968 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4969 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4970 false, "query intent activity options"); 4971 final String resultsAction = intent.getAction(); 4972 4973 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4974 | PackageManager.GET_RESOLVED_FILTER, userId); 4975 4976 if (DEBUG_INTENT_MATCHING) { 4977 Log.v(TAG, "Query " + intent + ": " + results); 4978 } 4979 4980 int specificsPos = 0; 4981 int N; 4982 4983 // todo: note that the algorithm used here is O(N^2). This 4984 // isn't a problem in our current environment, but if we start running 4985 // into situations where we have more than 5 or 10 matches then this 4986 // should probably be changed to something smarter... 4987 4988 // First we go through and resolve each of the specific items 4989 // that were supplied, taking care of removing any corresponding 4990 // duplicate items in the generic resolve list. 4991 if (specifics != null) { 4992 for (int i=0; i<specifics.length; i++) { 4993 final Intent sintent = specifics[i]; 4994 if (sintent == null) { 4995 continue; 4996 } 4997 4998 if (DEBUG_INTENT_MATCHING) { 4999 Log.v(TAG, "Specific #" + i + ": " + sintent); 5000 } 5001 5002 String action = sintent.getAction(); 5003 if (resultsAction != null && resultsAction.equals(action)) { 5004 // If this action was explicitly requested, then don't 5005 // remove things that have it. 5006 action = null; 5007 } 5008 5009 ResolveInfo ri = null; 5010 ActivityInfo ai = null; 5011 5012 ComponentName comp = sintent.getComponent(); 5013 if (comp == null) { 5014 ri = resolveIntent( 5015 sintent, 5016 specificTypes != null ? specificTypes[i] : null, 5017 flags, userId); 5018 if (ri == null) { 5019 continue; 5020 } 5021 if (ri == mResolveInfo) { 5022 // ACK! Must do something better with this. 5023 } 5024 ai = ri.activityInfo; 5025 comp = new ComponentName(ai.applicationInfo.packageName, 5026 ai.name); 5027 } else { 5028 ai = getActivityInfo(comp, flags, userId); 5029 if (ai == null) { 5030 continue; 5031 } 5032 } 5033 5034 // Look for any generic query activities that are duplicates 5035 // of this specific one, and remove them from the results. 5036 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5037 N = results.size(); 5038 int j; 5039 for (j=specificsPos; j<N; j++) { 5040 ResolveInfo sri = results.get(j); 5041 if ((sri.activityInfo.name.equals(comp.getClassName()) 5042 && sri.activityInfo.applicationInfo.packageName.equals( 5043 comp.getPackageName())) 5044 || (action != null && sri.filter.matchAction(action))) { 5045 results.remove(j); 5046 if (DEBUG_INTENT_MATCHING) Log.v( 5047 TAG, "Removing duplicate item from " + j 5048 + " due to specific " + specificsPos); 5049 if (ri == null) { 5050 ri = sri; 5051 } 5052 j--; 5053 N--; 5054 } 5055 } 5056 5057 // Add this specific item to its proper place. 5058 if (ri == null) { 5059 ri = new ResolveInfo(); 5060 ri.activityInfo = ai; 5061 } 5062 results.add(specificsPos, ri); 5063 ri.specificIndex = i; 5064 specificsPos++; 5065 } 5066 } 5067 5068 // Now we go through the remaining generic results and remove any 5069 // duplicate actions that are found here. 5070 N = results.size(); 5071 for (int i=specificsPos; i<N-1; i++) { 5072 final ResolveInfo rii = results.get(i); 5073 if (rii.filter == null) { 5074 continue; 5075 } 5076 5077 // Iterate over all of the actions of this result's intent 5078 // filter... typically this should be just one. 5079 final Iterator<String> it = rii.filter.actionsIterator(); 5080 if (it == null) { 5081 continue; 5082 } 5083 while (it.hasNext()) { 5084 final String action = it.next(); 5085 if (resultsAction != null && resultsAction.equals(action)) { 5086 // If this action was explicitly requested, then don't 5087 // remove things that have it. 5088 continue; 5089 } 5090 for (int j=i+1; j<N; j++) { 5091 final ResolveInfo rij = results.get(j); 5092 if (rij.filter != null && rij.filter.hasAction(action)) { 5093 results.remove(j); 5094 if (DEBUG_INTENT_MATCHING) Log.v( 5095 TAG, "Removing duplicate item from " + j 5096 + " due to action " + action + " at " + i); 5097 j--; 5098 N--; 5099 } 5100 } 5101 } 5102 5103 // If the caller didn't request filter information, drop it now 5104 // so we don't have to marshall/unmarshall it. 5105 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5106 rii.filter = null; 5107 } 5108 } 5109 5110 // Filter out the caller activity if so requested. 5111 if (caller != null) { 5112 N = results.size(); 5113 for (int i=0; i<N; i++) { 5114 ActivityInfo ainfo = results.get(i).activityInfo; 5115 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5116 && caller.getClassName().equals(ainfo.name)) { 5117 results.remove(i); 5118 break; 5119 } 5120 } 5121 } 5122 5123 // If the caller didn't request filter information, 5124 // drop them now so we don't have to 5125 // marshall/unmarshall it. 5126 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5127 N = results.size(); 5128 for (int i=0; i<N; i++) { 5129 results.get(i).filter = null; 5130 } 5131 } 5132 5133 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5134 return results; 5135 } 5136 5137 @Override 5138 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5139 int userId) { 5140 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5141 ComponentName comp = intent.getComponent(); 5142 if (comp == null) { 5143 if (intent.getSelector() != null) { 5144 intent = intent.getSelector(); 5145 comp = intent.getComponent(); 5146 } 5147 } 5148 if (comp != null) { 5149 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5150 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5151 if (ai != null) { 5152 ResolveInfo ri = new ResolveInfo(); 5153 ri.activityInfo = ai; 5154 list.add(ri); 5155 } 5156 return list; 5157 } 5158 5159 // reader 5160 synchronized (mPackages) { 5161 String pkgName = intent.getPackage(); 5162 if (pkgName == null) { 5163 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5164 } 5165 final PackageParser.Package pkg = mPackages.get(pkgName); 5166 if (pkg != null) { 5167 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5168 userId); 5169 } 5170 return null; 5171 } 5172 } 5173 5174 @Override 5175 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5176 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5177 if (!sUserManager.exists(userId)) return null; 5178 if (query != null) { 5179 if (query.size() >= 1) { 5180 // If there is more than one service with the same priority, 5181 // just arbitrarily pick the first one. 5182 return query.get(0); 5183 } 5184 } 5185 return null; 5186 } 5187 5188 @Override 5189 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5190 int userId) { 5191 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5192 ComponentName comp = intent.getComponent(); 5193 if (comp == null) { 5194 if (intent.getSelector() != null) { 5195 intent = intent.getSelector(); 5196 comp = intent.getComponent(); 5197 } 5198 } 5199 if (comp != null) { 5200 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5201 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5202 if (si != null) { 5203 final ResolveInfo ri = new ResolveInfo(); 5204 ri.serviceInfo = si; 5205 list.add(ri); 5206 } 5207 return list; 5208 } 5209 5210 // reader 5211 synchronized (mPackages) { 5212 String pkgName = intent.getPackage(); 5213 if (pkgName == null) { 5214 return mServices.queryIntent(intent, resolvedType, flags, userId); 5215 } 5216 final PackageParser.Package pkg = mPackages.get(pkgName); 5217 if (pkg != null) { 5218 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5219 userId); 5220 } 5221 return null; 5222 } 5223 } 5224 5225 @Override 5226 public List<ResolveInfo> queryIntentContentProviders( 5227 Intent intent, String resolvedType, int flags, int userId) { 5228 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5229 ComponentName comp = intent.getComponent(); 5230 if (comp == null) { 5231 if (intent.getSelector() != null) { 5232 intent = intent.getSelector(); 5233 comp = intent.getComponent(); 5234 } 5235 } 5236 if (comp != null) { 5237 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5238 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5239 if (pi != null) { 5240 final ResolveInfo ri = new ResolveInfo(); 5241 ri.providerInfo = pi; 5242 list.add(ri); 5243 } 5244 return list; 5245 } 5246 5247 // reader 5248 synchronized (mPackages) { 5249 String pkgName = intent.getPackage(); 5250 if (pkgName == null) { 5251 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5252 } 5253 final PackageParser.Package pkg = mPackages.get(pkgName); 5254 if (pkg != null) { 5255 return mProviders.queryIntentForPackage( 5256 intent, resolvedType, flags, pkg.providers, userId); 5257 } 5258 return null; 5259 } 5260 } 5261 5262 @Override 5263 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5264 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5265 5266 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5267 5268 // writer 5269 synchronized (mPackages) { 5270 ArrayList<PackageInfo> list; 5271 if (listUninstalled) { 5272 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5273 for (PackageSetting ps : mSettings.mPackages.values()) { 5274 PackageInfo pi; 5275 if (ps.pkg != null) { 5276 pi = generatePackageInfo(ps.pkg, flags, userId); 5277 } else { 5278 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5279 } 5280 if (pi != null) { 5281 list.add(pi); 5282 } 5283 } 5284 } else { 5285 list = new ArrayList<PackageInfo>(mPackages.size()); 5286 for (PackageParser.Package p : mPackages.values()) { 5287 PackageInfo pi = generatePackageInfo(p, flags, userId); 5288 if (pi != null) { 5289 list.add(pi); 5290 } 5291 } 5292 } 5293 5294 return new ParceledListSlice<PackageInfo>(list); 5295 } 5296 } 5297 5298 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5299 String[] permissions, boolean[] tmp, int flags, int userId) { 5300 int numMatch = 0; 5301 final PermissionsState permissionsState = ps.getPermissionsState(); 5302 for (int i=0; i<permissions.length; i++) { 5303 final String permission = permissions[i]; 5304 if (permissionsState.hasPermission(permission, userId)) { 5305 tmp[i] = true; 5306 numMatch++; 5307 } else { 5308 tmp[i] = false; 5309 } 5310 } 5311 if (numMatch == 0) { 5312 return; 5313 } 5314 PackageInfo pi; 5315 if (ps.pkg != null) { 5316 pi = generatePackageInfo(ps.pkg, flags, userId); 5317 } else { 5318 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5319 } 5320 // The above might return null in cases of uninstalled apps or install-state 5321 // skew across users/profiles. 5322 if (pi != null) { 5323 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5324 if (numMatch == permissions.length) { 5325 pi.requestedPermissions = permissions; 5326 } else { 5327 pi.requestedPermissions = new String[numMatch]; 5328 numMatch = 0; 5329 for (int i=0; i<permissions.length; i++) { 5330 if (tmp[i]) { 5331 pi.requestedPermissions[numMatch] = permissions[i]; 5332 numMatch++; 5333 } 5334 } 5335 } 5336 } 5337 list.add(pi); 5338 } 5339 } 5340 5341 @Override 5342 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5343 String[] permissions, int flags, int userId) { 5344 if (!sUserManager.exists(userId)) return null; 5345 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5346 5347 // writer 5348 synchronized (mPackages) { 5349 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5350 boolean[] tmpBools = new boolean[permissions.length]; 5351 if (listUninstalled) { 5352 for (PackageSetting ps : mSettings.mPackages.values()) { 5353 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5354 } 5355 } else { 5356 for (PackageParser.Package pkg : mPackages.values()) { 5357 PackageSetting ps = (PackageSetting)pkg.mExtras; 5358 if (ps != null) { 5359 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5360 userId); 5361 } 5362 } 5363 } 5364 5365 return new ParceledListSlice<PackageInfo>(list); 5366 } 5367 } 5368 5369 @Override 5370 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5371 if (!sUserManager.exists(userId)) return null; 5372 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5373 5374 // writer 5375 synchronized (mPackages) { 5376 ArrayList<ApplicationInfo> list; 5377 if (listUninstalled) { 5378 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5379 for (PackageSetting ps : mSettings.mPackages.values()) { 5380 ApplicationInfo ai; 5381 if (ps.pkg != null) { 5382 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5383 ps.readUserState(userId), userId); 5384 } else { 5385 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5386 } 5387 if (ai != null) { 5388 list.add(ai); 5389 } 5390 } 5391 } else { 5392 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5393 for (PackageParser.Package p : mPackages.values()) { 5394 if (p.mExtras != null) { 5395 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5396 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5397 if (ai != null) { 5398 list.add(ai); 5399 } 5400 } 5401 } 5402 } 5403 5404 return new ParceledListSlice<ApplicationInfo>(list); 5405 } 5406 } 5407 5408 public List<ApplicationInfo> getPersistentApplications(int flags) { 5409 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5410 5411 // reader 5412 synchronized (mPackages) { 5413 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5414 final int userId = UserHandle.getCallingUserId(); 5415 while (i.hasNext()) { 5416 final PackageParser.Package p = i.next(); 5417 if (p.applicationInfo != null 5418 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5419 && (!mSafeMode || isSystemApp(p))) { 5420 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5421 if (ps != null) { 5422 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5423 ps.readUserState(userId), userId); 5424 if (ai != null) { 5425 finalList.add(ai); 5426 } 5427 } 5428 } 5429 } 5430 } 5431 5432 return finalList; 5433 } 5434 5435 @Override 5436 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5437 if (!sUserManager.exists(userId)) return null; 5438 // reader 5439 synchronized (mPackages) { 5440 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5441 PackageSetting ps = provider != null 5442 ? mSettings.mPackages.get(provider.owner.packageName) 5443 : null; 5444 return ps != null 5445 && mSettings.isEnabledLPr(provider.info, flags, userId) 5446 && (!mSafeMode || (provider.info.applicationInfo.flags 5447 &ApplicationInfo.FLAG_SYSTEM) != 0) 5448 ? PackageParser.generateProviderInfo(provider, flags, 5449 ps.readUserState(userId), userId) 5450 : null; 5451 } 5452 } 5453 5454 /** 5455 * @deprecated 5456 */ 5457 @Deprecated 5458 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5459 // reader 5460 synchronized (mPackages) { 5461 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5462 .entrySet().iterator(); 5463 final int userId = UserHandle.getCallingUserId(); 5464 while (i.hasNext()) { 5465 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5466 PackageParser.Provider p = entry.getValue(); 5467 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5468 5469 if (ps != null && p.syncable 5470 && (!mSafeMode || (p.info.applicationInfo.flags 5471 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5472 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5473 ps.readUserState(userId), userId); 5474 if (info != null) { 5475 outNames.add(entry.getKey()); 5476 outInfo.add(info); 5477 } 5478 } 5479 } 5480 } 5481 } 5482 5483 @Override 5484 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5485 int uid, int flags) { 5486 ArrayList<ProviderInfo> finalList = null; 5487 // reader 5488 synchronized (mPackages) { 5489 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5490 final int userId = processName != null ? 5491 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5492 while (i.hasNext()) { 5493 final PackageParser.Provider p = i.next(); 5494 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5495 if (ps != null && p.info.authority != null 5496 && (processName == null 5497 || (p.info.processName.equals(processName) 5498 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5499 && mSettings.isEnabledLPr(p.info, flags, userId) 5500 && (!mSafeMode 5501 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5502 if (finalList == null) { 5503 finalList = new ArrayList<ProviderInfo>(3); 5504 } 5505 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5506 ps.readUserState(userId), userId); 5507 if (info != null) { 5508 finalList.add(info); 5509 } 5510 } 5511 } 5512 } 5513 5514 if (finalList != null) { 5515 Collections.sort(finalList, mProviderInitOrderSorter); 5516 return new ParceledListSlice<ProviderInfo>(finalList); 5517 } 5518 5519 return null; 5520 } 5521 5522 @Override 5523 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5524 int flags) { 5525 // reader 5526 synchronized (mPackages) { 5527 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5528 return PackageParser.generateInstrumentationInfo(i, flags); 5529 } 5530 } 5531 5532 @Override 5533 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5534 int flags) { 5535 ArrayList<InstrumentationInfo> finalList = 5536 new ArrayList<InstrumentationInfo>(); 5537 5538 // reader 5539 synchronized (mPackages) { 5540 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5541 while (i.hasNext()) { 5542 final PackageParser.Instrumentation p = i.next(); 5543 if (targetPackage == null 5544 || targetPackage.equals(p.info.targetPackage)) { 5545 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5546 flags); 5547 if (ii != null) { 5548 finalList.add(ii); 5549 } 5550 } 5551 } 5552 } 5553 5554 return finalList; 5555 } 5556 5557 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5558 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5559 if (overlays == null) { 5560 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5561 return; 5562 } 5563 for (PackageParser.Package opkg : overlays.values()) { 5564 // Not much to do if idmap fails: we already logged the error 5565 // and we certainly don't want to abort installation of pkg simply 5566 // because an overlay didn't fit properly. For these reasons, 5567 // ignore the return value of createIdmapForPackagePairLI. 5568 createIdmapForPackagePairLI(pkg, opkg); 5569 } 5570 } 5571 5572 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5573 PackageParser.Package opkg) { 5574 if (!opkg.mTrustedOverlay) { 5575 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5576 opkg.baseCodePath + ": overlay not trusted"); 5577 return false; 5578 } 5579 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5580 if (overlaySet == null) { 5581 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5582 opkg.baseCodePath + " but target package has no known overlays"); 5583 return false; 5584 } 5585 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5586 // TODO: generate idmap for split APKs 5587 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5588 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5589 + opkg.baseCodePath); 5590 return false; 5591 } 5592 PackageParser.Package[] overlayArray = 5593 overlaySet.values().toArray(new PackageParser.Package[0]); 5594 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5595 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5596 return p1.mOverlayPriority - p2.mOverlayPriority; 5597 } 5598 }; 5599 Arrays.sort(overlayArray, cmp); 5600 5601 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5602 int i = 0; 5603 for (PackageParser.Package p : overlayArray) { 5604 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5605 } 5606 return true; 5607 } 5608 5609 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5610 final File[] files = dir.listFiles(); 5611 if (ArrayUtils.isEmpty(files)) { 5612 Log.d(TAG, "No files in app dir " + dir); 5613 return; 5614 } 5615 5616 if (DEBUG_PACKAGE_SCANNING) { 5617 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5618 + " flags=0x" + Integer.toHexString(parseFlags)); 5619 } 5620 5621 for (File file : files) { 5622 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5623 && !PackageInstallerService.isStageName(file.getName()); 5624 if (!isPackage) { 5625 // Ignore entries which are not packages 5626 continue; 5627 } 5628 try { 5629 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5630 scanFlags, currentTime, null); 5631 } catch (PackageManagerException e) { 5632 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5633 5634 // Delete invalid userdata apps 5635 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5636 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5637 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5638 if (file.isDirectory()) { 5639 mInstaller.rmPackageDir(file.getAbsolutePath()); 5640 } else { 5641 file.delete(); 5642 } 5643 } 5644 } 5645 } 5646 } 5647 5648 private static File getSettingsProblemFile() { 5649 File dataDir = Environment.getDataDirectory(); 5650 File systemDir = new File(dataDir, "system"); 5651 File fname = new File(systemDir, "uiderrors.txt"); 5652 return fname; 5653 } 5654 5655 static void reportSettingsProblem(int priority, String msg) { 5656 logCriticalInfo(priority, msg); 5657 } 5658 5659 static void logCriticalInfo(int priority, String msg) { 5660 Slog.println(priority, TAG, msg); 5661 EventLogTags.writePmCriticalInfo(msg); 5662 try { 5663 File fname = getSettingsProblemFile(); 5664 FileOutputStream out = new FileOutputStream(fname, true); 5665 PrintWriter pw = new FastPrintWriter(out); 5666 SimpleDateFormat formatter = new SimpleDateFormat(); 5667 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5668 pw.println(dateString + ": " + msg); 5669 pw.close(); 5670 FileUtils.setPermissions( 5671 fname.toString(), 5672 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5673 -1, -1); 5674 } catch (java.io.IOException e) { 5675 } 5676 } 5677 5678 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5679 PackageParser.Package pkg, File srcFile, int parseFlags) 5680 throws PackageManagerException { 5681 if (ps != null 5682 && ps.codePath.equals(srcFile) 5683 && ps.timeStamp == srcFile.lastModified() 5684 && !isCompatSignatureUpdateNeeded(pkg) 5685 && !isRecoverSignatureUpdateNeeded(pkg)) { 5686 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5687 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5688 ArraySet<PublicKey> signingKs; 5689 synchronized (mPackages) { 5690 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5691 } 5692 if (ps.signatures.mSignatures != null 5693 && ps.signatures.mSignatures.length != 0 5694 && signingKs != null) { 5695 // Optimization: reuse the existing cached certificates 5696 // if the package appears to be unchanged. 5697 pkg.mSignatures = ps.signatures.mSignatures; 5698 pkg.mSigningKeys = signingKs; 5699 return; 5700 } 5701 5702 Slog.w(TAG, "PackageSetting for " + ps.name 5703 + " is missing signatures. Collecting certs again to recover them."); 5704 } else { 5705 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5706 } 5707 5708 try { 5709 pp.collectCertificates(pkg, parseFlags); 5710 pp.collectManifestDigest(pkg); 5711 } catch (PackageParserException e) { 5712 throw PackageManagerException.from(e); 5713 } 5714 } 5715 5716 /* 5717 * Scan a package and return the newly parsed package. 5718 * Returns null in case of errors and the error code is stored in mLastScanError 5719 */ 5720 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5721 long currentTime, UserHandle user) throws PackageManagerException { 5722 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5723 parseFlags |= mDefParseFlags; 5724 PackageParser pp = new PackageParser(); 5725 pp.setSeparateProcesses(mSeparateProcesses); 5726 pp.setOnlyCoreApps(mOnlyCore); 5727 pp.setDisplayMetrics(mMetrics); 5728 5729 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5730 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5731 } 5732 5733 final PackageParser.Package pkg; 5734 try { 5735 pkg = pp.parsePackage(scanFile, parseFlags); 5736 } catch (PackageParserException e) { 5737 throw PackageManagerException.from(e); 5738 } 5739 5740 PackageSetting ps = null; 5741 PackageSetting updatedPkg; 5742 // reader 5743 synchronized (mPackages) { 5744 // Look to see if we already know about this package. 5745 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5746 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5747 // This package has been renamed to its original name. Let's 5748 // use that. 5749 ps = mSettings.peekPackageLPr(oldName); 5750 } 5751 // If there was no original package, see one for the real package name. 5752 if (ps == null) { 5753 ps = mSettings.peekPackageLPr(pkg.packageName); 5754 } 5755 // Check to see if this package could be hiding/updating a system 5756 // package. Must look for it either under the original or real 5757 // package name depending on our state. 5758 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5759 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5760 } 5761 boolean updatedPkgBetter = false; 5762 // First check if this is a system package that may involve an update 5763 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5764 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5765 // it needs to drop FLAG_PRIVILEGED. 5766 if (locationIsPrivileged(scanFile)) { 5767 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5768 } else { 5769 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5770 } 5771 5772 if (ps != null && !ps.codePath.equals(scanFile)) { 5773 // The path has changed from what was last scanned... check the 5774 // version of the new path against what we have stored to determine 5775 // what to do. 5776 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5777 if (pkg.mVersionCode <= ps.versionCode) { 5778 // The system package has been updated and the code path does not match 5779 // Ignore entry. Skip it. 5780 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5781 + " ignored: updated version " + ps.versionCode 5782 + " better than this " + pkg.mVersionCode); 5783 if (!updatedPkg.codePath.equals(scanFile)) { 5784 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5785 + ps.name + " changing from " + updatedPkg.codePathString 5786 + " to " + scanFile); 5787 updatedPkg.codePath = scanFile; 5788 updatedPkg.codePathString = scanFile.toString(); 5789 updatedPkg.resourcePath = scanFile; 5790 updatedPkg.resourcePathString = scanFile.toString(); 5791 } 5792 updatedPkg.pkg = pkg; 5793 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5794 "Package " + ps.name + " at " + scanFile 5795 + " ignored: updated version " + ps.versionCode 5796 + " better than this " + pkg.mVersionCode); 5797 } else { 5798 // The current app on the system partition is better than 5799 // what we have updated to on the data partition; switch 5800 // back to the system partition version. 5801 // At this point, its safely assumed that package installation for 5802 // apps in system partition will go through. If not there won't be a working 5803 // version of the app 5804 // writer 5805 synchronized (mPackages) { 5806 // Just remove the loaded entries from package lists. 5807 mPackages.remove(ps.name); 5808 } 5809 5810 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5811 + " reverting from " + ps.codePathString 5812 + ": new version " + pkg.mVersionCode 5813 + " better than installed " + ps.versionCode); 5814 5815 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5816 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5817 synchronized (mInstallLock) { 5818 args.cleanUpResourcesLI(); 5819 } 5820 synchronized (mPackages) { 5821 mSettings.enableSystemPackageLPw(ps.name); 5822 } 5823 updatedPkgBetter = true; 5824 } 5825 } 5826 } 5827 5828 if (updatedPkg != null) { 5829 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5830 // initially 5831 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5832 5833 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5834 // flag set initially 5835 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5836 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5837 } 5838 } 5839 5840 // Verify certificates against what was last scanned 5841 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5842 5843 /* 5844 * A new system app appeared, but we already had a non-system one of the 5845 * same name installed earlier. 5846 */ 5847 boolean shouldHideSystemApp = false; 5848 if (updatedPkg == null && ps != null 5849 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5850 /* 5851 * Check to make sure the signatures match first. If they don't, 5852 * wipe the installed application and its data. 5853 */ 5854 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5855 != PackageManager.SIGNATURE_MATCH) { 5856 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5857 + " signatures don't match existing userdata copy; removing"); 5858 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5859 ps = null; 5860 } else { 5861 /* 5862 * If the newly-added system app is an older version than the 5863 * already installed version, hide it. It will be scanned later 5864 * and re-added like an update. 5865 */ 5866 if (pkg.mVersionCode <= ps.versionCode) { 5867 shouldHideSystemApp = true; 5868 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5869 + " but new version " + pkg.mVersionCode + " better than installed " 5870 + ps.versionCode + "; hiding system"); 5871 } else { 5872 /* 5873 * The newly found system app is a newer version that the 5874 * one previously installed. Simply remove the 5875 * already-installed application and replace it with our own 5876 * while keeping the application data. 5877 */ 5878 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5879 + " reverting from " + ps.codePathString + ": new version " 5880 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5881 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5882 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5883 synchronized (mInstallLock) { 5884 args.cleanUpResourcesLI(); 5885 } 5886 } 5887 } 5888 } 5889 5890 // The apk is forward locked (not public) if its code and resources 5891 // are kept in different files. (except for app in either system or 5892 // vendor path). 5893 // TODO grab this value from PackageSettings 5894 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5895 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5896 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5897 } 5898 } 5899 5900 // TODO: extend to support forward-locked splits 5901 String resourcePath = null; 5902 String baseResourcePath = null; 5903 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5904 if (ps != null && ps.resourcePathString != null) { 5905 resourcePath = ps.resourcePathString; 5906 baseResourcePath = ps.resourcePathString; 5907 } else { 5908 // Should not happen at all. Just log an error. 5909 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5910 } 5911 } else { 5912 resourcePath = pkg.codePath; 5913 baseResourcePath = pkg.baseCodePath; 5914 } 5915 5916 // Set application objects path explicitly. 5917 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5918 pkg.applicationInfo.setCodePath(pkg.codePath); 5919 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5920 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5921 pkg.applicationInfo.setResourcePath(resourcePath); 5922 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5923 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5924 5925 // Note that we invoke the following method only if we are about to unpack an application 5926 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5927 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5928 5929 /* 5930 * If the system app should be overridden by a previously installed 5931 * data, hide the system app now and let the /data/app scan pick it up 5932 * again. 5933 */ 5934 if (shouldHideSystemApp) { 5935 synchronized (mPackages) { 5936 mSettings.disableSystemPackageLPw(pkg.packageName); 5937 } 5938 } 5939 5940 return scannedPkg; 5941 } 5942 5943 private static String fixProcessName(String defProcessName, 5944 String processName, int uid) { 5945 if (processName == null) { 5946 return defProcessName; 5947 } 5948 return processName; 5949 } 5950 5951 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5952 throws PackageManagerException { 5953 if (pkgSetting.signatures.mSignatures != null) { 5954 // Already existing package. Make sure signatures match 5955 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5956 == PackageManager.SIGNATURE_MATCH; 5957 if (!match) { 5958 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5959 == PackageManager.SIGNATURE_MATCH; 5960 } 5961 if (!match) { 5962 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5963 == PackageManager.SIGNATURE_MATCH; 5964 } 5965 if (!match) { 5966 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5967 + pkg.packageName + " signatures do not match the " 5968 + "previously installed version; ignoring!"); 5969 } 5970 } 5971 5972 // Check for shared user signatures 5973 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5974 // Already existing package. Make sure signatures match 5975 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5976 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5977 if (!match) { 5978 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5979 == PackageManager.SIGNATURE_MATCH; 5980 } 5981 if (!match) { 5982 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5983 == PackageManager.SIGNATURE_MATCH; 5984 } 5985 if (!match) { 5986 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5987 "Package " + pkg.packageName 5988 + " has no signatures that match those in shared user " 5989 + pkgSetting.sharedUser.name + "; ignoring!"); 5990 } 5991 } 5992 } 5993 5994 /** 5995 * Enforces that only the system UID or root's UID can call a method exposed 5996 * via Binder. 5997 * 5998 * @param message used as message if SecurityException is thrown 5999 * @throws SecurityException if the caller is not system or root 6000 */ 6001 private static final void enforceSystemOrRoot(String message) { 6002 final int uid = Binder.getCallingUid(); 6003 if (uid != Process.SYSTEM_UID && uid != 0) { 6004 throw new SecurityException(message); 6005 } 6006 } 6007 6008 @Override 6009 public void performBootDexOpt() { 6010 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6011 6012 // Before everything else, see whether we need to fstrim. 6013 try { 6014 IMountService ms = PackageHelper.getMountService(); 6015 if (ms != null) { 6016 final boolean isUpgrade = isUpgrade(); 6017 boolean doTrim = isUpgrade; 6018 if (doTrim) { 6019 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6020 } else { 6021 final long interval = android.provider.Settings.Global.getLong( 6022 mContext.getContentResolver(), 6023 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6024 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6025 if (interval > 0) { 6026 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6027 if (timeSinceLast > interval) { 6028 doTrim = true; 6029 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6030 + "; running immediately"); 6031 } 6032 } 6033 } 6034 if (doTrim) { 6035 if (!isFirstBoot()) { 6036 try { 6037 ActivityManagerNative.getDefault().showBootMessage( 6038 mContext.getResources().getString( 6039 R.string.android_upgrading_fstrim), true); 6040 } catch (RemoteException e) { 6041 } 6042 } 6043 ms.runMaintenance(); 6044 } 6045 } else { 6046 Slog.e(TAG, "Mount service unavailable!"); 6047 } 6048 } catch (RemoteException e) { 6049 // Can't happen; MountService is local 6050 } 6051 6052 final ArraySet<PackageParser.Package> pkgs; 6053 synchronized (mPackages) { 6054 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6055 } 6056 6057 if (pkgs != null) { 6058 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6059 // in case the device runs out of space. 6060 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6061 // Give priority to core apps. 6062 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6063 PackageParser.Package pkg = it.next(); 6064 if (pkg.coreApp) { 6065 if (DEBUG_DEXOPT) { 6066 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6067 } 6068 sortedPkgs.add(pkg); 6069 it.remove(); 6070 } 6071 } 6072 // Give priority to system apps that listen for pre boot complete. 6073 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6074 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 6075 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6076 PackageParser.Package pkg = it.next(); 6077 if (pkgNames.contains(pkg.packageName)) { 6078 if (DEBUG_DEXOPT) { 6079 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6080 } 6081 sortedPkgs.add(pkg); 6082 it.remove(); 6083 } 6084 } 6085 // Give priority to system apps. 6086 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6087 PackageParser.Package pkg = it.next(); 6088 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 6089 if (DEBUG_DEXOPT) { 6090 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 6091 } 6092 sortedPkgs.add(pkg); 6093 it.remove(); 6094 } 6095 } 6096 // Give priority to updated system apps. 6097 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6098 PackageParser.Package pkg = it.next(); 6099 if (pkg.isUpdatedSystemApp()) { 6100 if (DEBUG_DEXOPT) { 6101 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 6102 } 6103 sortedPkgs.add(pkg); 6104 it.remove(); 6105 } 6106 } 6107 // Give priority to apps that listen for boot complete. 6108 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 6109 pkgNames = getPackageNamesForIntent(intent); 6110 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6111 PackageParser.Package pkg = it.next(); 6112 if (pkgNames.contains(pkg.packageName)) { 6113 if (DEBUG_DEXOPT) { 6114 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 6115 } 6116 sortedPkgs.add(pkg); 6117 it.remove(); 6118 } 6119 } 6120 // Filter out packages that aren't recently used. 6121 filterRecentlyUsedApps(pkgs); 6122 // Add all remaining apps. 6123 for (PackageParser.Package pkg : pkgs) { 6124 if (DEBUG_DEXOPT) { 6125 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6126 } 6127 sortedPkgs.add(pkg); 6128 } 6129 6130 // If we want to be lazy, filter everything that wasn't recently used. 6131 if (mLazyDexOpt) { 6132 filterRecentlyUsedApps(sortedPkgs); 6133 } 6134 6135 int i = 0; 6136 int total = sortedPkgs.size(); 6137 File dataDir = Environment.getDataDirectory(); 6138 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6139 if (lowThreshold == 0) { 6140 throw new IllegalStateException("Invalid low memory threshold"); 6141 } 6142 for (PackageParser.Package pkg : sortedPkgs) { 6143 long usableSpace = dataDir.getUsableSpace(); 6144 if (usableSpace < lowThreshold) { 6145 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6146 break; 6147 } 6148 performBootDexOpt(pkg, ++i, total); 6149 } 6150 } 6151 } 6152 6153 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6154 // Filter out packages that aren't recently used. 6155 // 6156 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6157 // should do a full dexopt. 6158 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6159 int total = pkgs.size(); 6160 int skipped = 0; 6161 long now = System.currentTimeMillis(); 6162 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6163 PackageParser.Package pkg = i.next(); 6164 long then = pkg.mLastPackageUsageTimeInMills; 6165 if (then + mDexOptLRUThresholdInMills < now) { 6166 if (DEBUG_DEXOPT) { 6167 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6168 ((then == 0) ? "never" : new Date(then))); 6169 } 6170 i.remove(); 6171 skipped++; 6172 } 6173 } 6174 if (DEBUG_DEXOPT) { 6175 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6176 } 6177 } 6178 } 6179 6180 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6181 List<ResolveInfo> ris = null; 6182 try { 6183 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6184 intent, null, 0, UserHandle.USER_OWNER); 6185 } catch (RemoteException e) { 6186 } 6187 ArraySet<String> pkgNames = new ArraySet<String>(); 6188 if (ris != null) { 6189 for (ResolveInfo ri : ris) { 6190 pkgNames.add(ri.activityInfo.packageName); 6191 } 6192 } 6193 return pkgNames; 6194 } 6195 6196 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6197 if (DEBUG_DEXOPT) { 6198 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6199 } 6200 if (!isFirstBoot()) { 6201 try { 6202 ActivityManagerNative.getDefault().showBootMessage( 6203 mContext.getResources().getString(R.string.android_upgrading_apk, 6204 curr, total), true); 6205 } catch (RemoteException e) { 6206 } 6207 } 6208 PackageParser.Package p = pkg; 6209 synchronized (mInstallLock) { 6210 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6211 false /* force dex */, false /* defer */, true /* include dependencies */); 6212 } 6213 } 6214 6215 @Override 6216 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6217 return performDexOpt(packageName, instructionSet, false); 6218 } 6219 6220 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6221 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6222 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6223 if (!dexopt && !updateUsage) { 6224 // We aren't going to dexopt or update usage, so bail early. 6225 return false; 6226 } 6227 PackageParser.Package p; 6228 final String targetInstructionSet; 6229 synchronized (mPackages) { 6230 p = mPackages.get(packageName); 6231 if (p == null) { 6232 return false; 6233 } 6234 if (updateUsage) { 6235 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6236 } 6237 mPackageUsage.write(false); 6238 if (!dexopt) { 6239 // We aren't going to dexopt, so bail early. 6240 return false; 6241 } 6242 6243 targetInstructionSet = instructionSet != null ? instructionSet : 6244 getPrimaryInstructionSet(p.applicationInfo); 6245 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6246 return false; 6247 } 6248 } 6249 long callingId = Binder.clearCallingIdentity(); 6250 try { 6251 synchronized (mInstallLock) { 6252 final String[] instructionSets = new String[] { targetInstructionSet }; 6253 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6254 false /* forceDex */, false /* defer */, true /* inclDependencies */); 6255 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6256 } 6257 } finally { 6258 Binder.restoreCallingIdentity(callingId); 6259 } 6260 } 6261 6262 public ArraySet<String> getPackagesThatNeedDexOpt() { 6263 ArraySet<String> pkgs = null; 6264 synchronized (mPackages) { 6265 for (PackageParser.Package p : mPackages.values()) { 6266 if (DEBUG_DEXOPT) { 6267 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6268 } 6269 if (!p.mDexOptPerformed.isEmpty()) { 6270 continue; 6271 } 6272 if (pkgs == null) { 6273 pkgs = new ArraySet<String>(); 6274 } 6275 pkgs.add(p.packageName); 6276 } 6277 } 6278 return pkgs; 6279 } 6280 6281 public void shutdown() { 6282 mPackageUsage.write(true); 6283 } 6284 6285 @Override 6286 public void forceDexOpt(String packageName) { 6287 enforceSystemOrRoot("forceDexOpt"); 6288 6289 PackageParser.Package pkg; 6290 synchronized (mPackages) { 6291 pkg = mPackages.get(packageName); 6292 if (pkg == null) { 6293 throw new IllegalArgumentException("Missing package: " + packageName); 6294 } 6295 } 6296 6297 synchronized (mInstallLock) { 6298 final String[] instructionSets = new String[] { 6299 getPrimaryInstructionSet(pkg.applicationInfo) }; 6300 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6301 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 6302 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6303 throw new IllegalStateException("Failed to dexopt: " + res); 6304 } 6305 } 6306 } 6307 6308 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6309 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6310 Slog.w(TAG, "Unable to update from " + oldPkg.name 6311 + " to " + newPkg.packageName 6312 + ": old package not in system partition"); 6313 return false; 6314 } else if (mPackages.get(oldPkg.name) != null) { 6315 Slog.w(TAG, "Unable to update from " + oldPkg.name 6316 + " to " + newPkg.packageName 6317 + ": old package still exists"); 6318 return false; 6319 } 6320 return true; 6321 } 6322 6323 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6324 int[] users = sUserManager.getUserIds(); 6325 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6326 if (res < 0) { 6327 return res; 6328 } 6329 for (int user : users) { 6330 if (user != 0) { 6331 res = mInstaller.createUserData(volumeUuid, packageName, 6332 UserHandle.getUid(user, uid), user, seinfo); 6333 if (res < 0) { 6334 return res; 6335 } 6336 } 6337 } 6338 return res; 6339 } 6340 6341 private int removeDataDirsLI(String volumeUuid, String packageName) { 6342 int[] users = sUserManager.getUserIds(); 6343 int res = 0; 6344 for (int user : users) { 6345 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6346 if (resInner < 0) { 6347 res = resInner; 6348 } 6349 } 6350 6351 return res; 6352 } 6353 6354 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6355 int[] users = sUserManager.getUserIds(); 6356 int res = 0; 6357 for (int user : users) { 6358 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6359 if (resInner < 0) { 6360 res = resInner; 6361 } 6362 } 6363 return res; 6364 } 6365 6366 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6367 PackageParser.Package changingLib) { 6368 if (file.path != null) { 6369 usesLibraryFiles.add(file.path); 6370 return; 6371 } 6372 PackageParser.Package p = mPackages.get(file.apk); 6373 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6374 // If we are doing this while in the middle of updating a library apk, 6375 // then we need to make sure to use that new apk for determining the 6376 // dependencies here. (We haven't yet finished committing the new apk 6377 // to the package manager state.) 6378 if (p == null || p.packageName.equals(changingLib.packageName)) { 6379 p = changingLib; 6380 } 6381 } 6382 if (p != null) { 6383 usesLibraryFiles.addAll(p.getAllCodePaths()); 6384 } 6385 } 6386 6387 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6388 PackageParser.Package changingLib) throws PackageManagerException { 6389 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6390 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6391 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6392 for (int i=0; i<N; i++) { 6393 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6394 if (file == null) { 6395 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6396 "Package " + pkg.packageName + " requires unavailable shared library " 6397 + pkg.usesLibraries.get(i) + "; failing!"); 6398 } 6399 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6400 } 6401 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6402 for (int i=0; i<N; i++) { 6403 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6404 if (file == null) { 6405 Slog.w(TAG, "Package " + pkg.packageName 6406 + " desires unavailable shared library " 6407 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6408 } else { 6409 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6410 } 6411 } 6412 N = usesLibraryFiles.size(); 6413 if (N > 0) { 6414 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6415 } else { 6416 pkg.usesLibraryFiles = null; 6417 } 6418 } 6419 } 6420 6421 private static boolean hasString(List<String> list, List<String> which) { 6422 if (list == null) { 6423 return false; 6424 } 6425 for (int i=list.size()-1; i>=0; i--) { 6426 for (int j=which.size()-1; j>=0; j--) { 6427 if (which.get(j).equals(list.get(i))) { 6428 return true; 6429 } 6430 } 6431 } 6432 return false; 6433 } 6434 6435 private void updateAllSharedLibrariesLPw() { 6436 for (PackageParser.Package pkg : mPackages.values()) { 6437 try { 6438 updateSharedLibrariesLPw(pkg, null); 6439 } catch (PackageManagerException e) { 6440 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6441 } 6442 } 6443 } 6444 6445 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6446 PackageParser.Package changingPkg) { 6447 ArrayList<PackageParser.Package> res = null; 6448 for (PackageParser.Package pkg : mPackages.values()) { 6449 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6450 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6451 if (res == null) { 6452 res = new ArrayList<PackageParser.Package>(); 6453 } 6454 res.add(pkg); 6455 try { 6456 updateSharedLibrariesLPw(pkg, changingPkg); 6457 } catch (PackageManagerException e) { 6458 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6459 } 6460 } 6461 } 6462 return res; 6463 } 6464 6465 /** 6466 * Derive the value of the {@code cpuAbiOverride} based on the provided 6467 * value and an optional stored value from the package settings. 6468 */ 6469 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6470 String cpuAbiOverride = null; 6471 6472 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6473 cpuAbiOverride = null; 6474 } else if (abiOverride != null) { 6475 cpuAbiOverride = abiOverride; 6476 } else if (settings != null) { 6477 cpuAbiOverride = settings.cpuAbiOverrideString; 6478 } 6479 6480 return cpuAbiOverride; 6481 } 6482 6483 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6484 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6485 boolean success = false; 6486 try { 6487 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6488 currentTime, user); 6489 success = true; 6490 return res; 6491 } finally { 6492 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6493 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6494 } 6495 } 6496 } 6497 6498 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6499 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6500 final File scanFile = new File(pkg.codePath); 6501 if (pkg.applicationInfo.getCodePath() == null || 6502 pkg.applicationInfo.getResourcePath() == null) { 6503 // Bail out. The resource and code paths haven't been set. 6504 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6505 "Code and resource paths haven't been set correctly"); 6506 } 6507 6508 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6509 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6510 } else { 6511 // Only allow system apps to be flagged as core apps. 6512 pkg.coreApp = false; 6513 } 6514 6515 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6516 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6517 } 6518 6519 if (mCustomResolverComponentName != null && 6520 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6521 setUpCustomResolverActivity(pkg); 6522 } 6523 6524 if (pkg.packageName.equals("android")) { 6525 synchronized (mPackages) { 6526 if (mAndroidApplication != null) { 6527 Slog.w(TAG, "*************************************************"); 6528 Slog.w(TAG, "Core android package being redefined. Skipping."); 6529 Slog.w(TAG, " file=" + scanFile); 6530 Slog.w(TAG, "*************************************************"); 6531 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6532 "Core android package being redefined. Skipping."); 6533 } 6534 6535 // Set up information for our fall-back user intent resolution activity. 6536 mPlatformPackage = pkg; 6537 pkg.mVersionCode = mSdkVersion; 6538 mAndroidApplication = pkg.applicationInfo; 6539 6540 if (!mResolverReplaced) { 6541 mResolveActivity.applicationInfo = mAndroidApplication; 6542 mResolveActivity.name = ResolverActivity.class.getName(); 6543 mResolveActivity.packageName = mAndroidApplication.packageName; 6544 mResolveActivity.processName = "system:ui"; 6545 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6546 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6547 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6548 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6549 mResolveActivity.exported = true; 6550 mResolveActivity.enabled = true; 6551 mResolveInfo.activityInfo = mResolveActivity; 6552 mResolveInfo.priority = 0; 6553 mResolveInfo.preferredOrder = 0; 6554 mResolveInfo.match = 0; 6555 mResolveComponentName = new ComponentName( 6556 mAndroidApplication.packageName, mResolveActivity.name); 6557 } 6558 } 6559 } 6560 6561 if (DEBUG_PACKAGE_SCANNING) { 6562 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6563 Log.d(TAG, "Scanning package " + pkg.packageName); 6564 } 6565 6566 if (mPackages.containsKey(pkg.packageName) 6567 || mSharedLibraries.containsKey(pkg.packageName)) { 6568 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6569 "Application package " + pkg.packageName 6570 + " already installed. Skipping duplicate."); 6571 } 6572 6573 // If we're only installing presumed-existing packages, require that the 6574 // scanned APK is both already known and at the path previously established 6575 // for it. Previously unknown packages we pick up normally, but if we have an 6576 // a priori expectation about this package's install presence, enforce it. 6577 // With a singular exception for new system packages. When an OTA contains 6578 // a new system package, we allow the codepath to change from a system location 6579 // to the user-installed location. If we don't allow this change, any newer, 6580 // user-installed version of the application will be ignored. 6581 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6582 if (mExpectingBetter.containsKey(pkg.packageName)) { 6583 logCriticalInfo(Log.WARN, 6584 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6585 } else { 6586 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6587 if (known != null) { 6588 if (DEBUG_PACKAGE_SCANNING) { 6589 Log.d(TAG, "Examining " + pkg.codePath 6590 + " and requiring known paths " + known.codePathString 6591 + " & " + known.resourcePathString); 6592 } 6593 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6594 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6595 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6596 "Application package " + pkg.packageName 6597 + " found at " + pkg.applicationInfo.getCodePath() 6598 + " but expected at " + known.codePathString + "; ignoring."); 6599 } 6600 } 6601 } 6602 } 6603 6604 // Initialize package source and resource directories 6605 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6606 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6607 6608 SharedUserSetting suid = null; 6609 PackageSetting pkgSetting = null; 6610 6611 if (!isSystemApp(pkg)) { 6612 // Only system apps can use these features. 6613 pkg.mOriginalPackages = null; 6614 pkg.mRealPackage = null; 6615 pkg.mAdoptPermissions = null; 6616 } 6617 6618 // writer 6619 synchronized (mPackages) { 6620 if (pkg.mSharedUserId != null) { 6621 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6622 if (suid == null) { 6623 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6624 "Creating application package " + pkg.packageName 6625 + " for shared user failed"); 6626 } 6627 if (DEBUG_PACKAGE_SCANNING) { 6628 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6629 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6630 + "): packages=" + suid.packages); 6631 } 6632 } 6633 6634 // Check if we are renaming from an original package name. 6635 PackageSetting origPackage = null; 6636 String realName = null; 6637 if (pkg.mOriginalPackages != null) { 6638 // This package may need to be renamed to a previously 6639 // installed name. Let's check on that... 6640 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6641 if (pkg.mOriginalPackages.contains(renamed)) { 6642 // This package had originally been installed as the 6643 // original name, and we have already taken care of 6644 // transitioning to the new one. Just update the new 6645 // one to continue using the old name. 6646 realName = pkg.mRealPackage; 6647 if (!pkg.packageName.equals(renamed)) { 6648 // Callers into this function may have already taken 6649 // care of renaming the package; only do it here if 6650 // it is not already done. 6651 pkg.setPackageName(renamed); 6652 } 6653 6654 } else { 6655 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6656 if ((origPackage = mSettings.peekPackageLPr( 6657 pkg.mOriginalPackages.get(i))) != null) { 6658 // We do have the package already installed under its 6659 // original name... should we use it? 6660 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6661 // New package is not compatible with original. 6662 origPackage = null; 6663 continue; 6664 } else if (origPackage.sharedUser != null) { 6665 // Make sure uid is compatible between packages. 6666 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6667 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6668 + " to " + pkg.packageName + ": old uid " 6669 + origPackage.sharedUser.name 6670 + " differs from " + pkg.mSharedUserId); 6671 origPackage = null; 6672 continue; 6673 } 6674 } else { 6675 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6676 + pkg.packageName + " to old name " + origPackage.name); 6677 } 6678 break; 6679 } 6680 } 6681 } 6682 } 6683 6684 if (mTransferedPackages.contains(pkg.packageName)) { 6685 Slog.w(TAG, "Package " + pkg.packageName 6686 + " was transferred to another, but its .apk remains"); 6687 } 6688 6689 // Just create the setting, don't add it yet. For already existing packages 6690 // the PkgSetting exists already and doesn't have to be created. 6691 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6692 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6693 pkg.applicationInfo.primaryCpuAbi, 6694 pkg.applicationInfo.secondaryCpuAbi, 6695 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6696 user, false); 6697 if (pkgSetting == null) { 6698 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6699 "Creating application package " + pkg.packageName + " failed"); 6700 } 6701 6702 if (pkgSetting.origPackage != null) { 6703 // If we are first transitioning from an original package, 6704 // fix up the new package's name now. We need to do this after 6705 // looking up the package under its new name, so getPackageLP 6706 // can take care of fiddling things correctly. 6707 pkg.setPackageName(origPackage.name); 6708 6709 // File a report about this. 6710 String msg = "New package " + pkgSetting.realName 6711 + " renamed to replace old package " + pkgSetting.name; 6712 reportSettingsProblem(Log.WARN, msg); 6713 6714 // Make a note of it. 6715 mTransferedPackages.add(origPackage.name); 6716 6717 // No longer need to retain this. 6718 pkgSetting.origPackage = null; 6719 } 6720 6721 if (realName != null) { 6722 // Make a note of it. 6723 mTransferedPackages.add(pkg.packageName); 6724 } 6725 6726 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6727 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6728 } 6729 6730 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6731 // Check all shared libraries and map to their actual file path. 6732 // We only do this here for apps not on a system dir, because those 6733 // are the only ones that can fail an install due to this. We 6734 // will take care of the system apps by updating all of their 6735 // library paths after the scan is done. 6736 updateSharedLibrariesLPw(pkg, null); 6737 } 6738 6739 if (mFoundPolicyFile) { 6740 SELinuxMMAC.assignSeinfoValue(pkg); 6741 } 6742 6743 pkg.applicationInfo.uid = pkgSetting.appId; 6744 pkg.mExtras = pkgSetting; 6745 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6746 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6747 // We just determined the app is signed correctly, so bring 6748 // over the latest parsed certs. 6749 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6750 } else { 6751 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6752 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6753 "Package " + pkg.packageName + " upgrade keys do not match the " 6754 + "previously installed version"); 6755 } else { 6756 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6757 String msg = "System package " + pkg.packageName 6758 + " signature changed; retaining data."; 6759 reportSettingsProblem(Log.WARN, msg); 6760 } 6761 } 6762 } else { 6763 try { 6764 verifySignaturesLP(pkgSetting, pkg); 6765 // We just determined the app is signed correctly, so bring 6766 // over the latest parsed certs. 6767 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6768 } catch (PackageManagerException e) { 6769 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6770 throw e; 6771 } 6772 // The signature has changed, but this package is in the system 6773 // image... let's recover! 6774 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6775 // However... if this package is part of a shared user, but it 6776 // doesn't match the signature of the shared user, let's fail. 6777 // What this means is that you can't change the signatures 6778 // associated with an overall shared user, which doesn't seem all 6779 // that unreasonable. 6780 if (pkgSetting.sharedUser != null) { 6781 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6782 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6783 throw new PackageManagerException( 6784 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6785 "Signature mismatch for shared user : " 6786 + pkgSetting.sharedUser); 6787 } 6788 } 6789 // File a report about this. 6790 String msg = "System package " + pkg.packageName 6791 + " signature changed; retaining data."; 6792 reportSettingsProblem(Log.WARN, msg); 6793 } 6794 } 6795 // Verify that this new package doesn't have any content providers 6796 // that conflict with existing packages. Only do this if the 6797 // package isn't already installed, since we don't want to break 6798 // things that are installed. 6799 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6800 final int N = pkg.providers.size(); 6801 int i; 6802 for (i=0; i<N; i++) { 6803 PackageParser.Provider p = pkg.providers.get(i); 6804 if (p.info.authority != null) { 6805 String names[] = p.info.authority.split(";"); 6806 for (int j = 0; j < names.length; j++) { 6807 if (mProvidersByAuthority.containsKey(names[j])) { 6808 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6809 final String otherPackageName = 6810 ((other != null && other.getComponentName() != null) ? 6811 other.getComponentName().getPackageName() : "?"); 6812 throw new PackageManagerException( 6813 INSTALL_FAILED_CONFLICTING_PROVIDER, 6814 "Can't install because provider name " + names[j] 6815 + " (in package " + pkg.applicationInfo.packageName 6816 + ") is already used by " + otherPackageName); 6817 } 6818 } 6819 } 6820 } 6821 } 6822 6823 if (pkg.mAdoptPermissions != null) { 6824 // This package wants to adopt ownership of permissions from 6825 // another package. 6826 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6827 final String origName = pkg.mAdoptPermissions.get(i); 6828 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6829 if (orig != null) { 6830 if (verifyPackageUpdateLPr(orig, pkg)) { 6831 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6832 + pkg.packageName); 6833 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6834 } 6835 } 6836 } 6837 } 6838 } 6839 6840 final String pkgName = pkg.packageName; 6841 6842 final long scanFileTime = scanFile.lastModified(); 6843 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6844 pkg.applicationInfo.processName = fixProcessName( 6845 pkg.applicationInfo.packageName, 6846 pkg.applicationInfo.processName, 6847 pkg.applicationInfo.uid); 6848 6849 File dataPath; 6850 if (mPlatformPackage == pkg) { 6851 // The system package is special. 6852 dataPath = new File(Environment.getDataDirectory(), "system"); 6853 6854 pkg.applicationInfo.dataDir = dataPath.getPath(); 6855 6856 } else { 6857 // This is a normal package, need to make its data directory. 6858 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6859 UserHandle.USER_OWNER, pkg.packageName); 6860 6861 boolean uidError = false; 6862 if (dataPath.exists()) { 6863 int currentUid = 0; 6864 try { 6865 StructStat stat = Os.stat(dataPath.getPath()); 6866 currentUid = stat.st_uid; 6867 } catch (ErrnoException e) { 6868 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6869 } 6870 6871 // If we have mismatched owners for the data path, we have a problem. 6872 if (currentUid != pkg.applicationInfo.uid) { 6873 boolean recovered = false; 6874 if (currentUid == 0) { 6875 // The directory somehow became owned by root. Wow. 6876 // This is probably because the system was stopped while 6877 // installd was in the middle of messing with its libs 6878 // directory. Ask installd to fix that. 6879 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6880 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6881 if (ret >= 0) { 6882 recovered = true; 6883 String msg = "Package " + pkg.packageName 6884 + " unexpectedly changed to uid 0; recovered to " + 6885 + pkg.applicationInfo.uid; 6886 reportSettingsProblem(Log.WARN, msg); 6887 } 6888 } 6889 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6890 || (scanFlags&SCAN_BOOTING) != 0)) { 6891 // If this is a system app, we can at least delete its 6892 // current data so the application will still work. 6893 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6894 if (ret >= 0) { 6895 // TODO: Kill the processes first 6896 // Old data gone! 6897 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6898 ? "System package " : "Third party package "; 6899 String msg = prefix + pkg.packageName 6900 + " has changed from uid: " 6901 + currentUid + " to " 6902 + pkg.applicationInfo.uid + "; old data erased"; 6903 reportSettingsProblem(Log.WARN, msg); 6904 recovered = true; 6905 6906 // And now re-install the app. 6907 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6908 pkg.applicationInfo.seinfo); 6909 if (ret == -1) { 6910 // Ack should not happen! 6911 msg = prefix + pkg.packageName 6912 + " could not have data directory re-created after delete."; 6913 reportSettingsProblem(Log.WARN, msg); 6914 throw new PackageManagerException( 6915 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6916 } 6917 } 6918 if (!recovered) { 6919 mHasSystemUidErrors = true; 6920 } 6921 } else if (!recovered) { 6922 // If we allow this install to proceed, we will be broken. 6923 // Abort, abort! 6924 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6925 "scanPackageLI"); 6926 } 6927 if (!recovered) { 6928 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6929 + pkg.applicationInfo.uid + "/fs_" 6930 + currentUid; 6931 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6932 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6933 String msg = "Package " + pkg.packageName 6934 + " has mismatched uid: " 6935 + currentUid + " on disk, " 6936 + pkg.applicationInfo.uid + " in settings"; 6937 // writer 6938 synchronized (mPackages) { 6939 mSettings.mReadMessages.append(msg); 6940 mSettings.mReadMessages.append('\n'); 6941 uidError = true; 6942 if (!pkgSetting.uidError) { 6943 reportSettingsProblem(Log.ERROR, msg); 6944 } 6945 } 6946 } 6947 } 6948 pkg.applicationInfo.dataDir = dataPath.getPath(); 6949 if (mShouldRestoreconData) { 6950 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6951 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6952 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6953 } 6954 } else { 6955 if (DEBUG_PACKAGE_SCANNING) { 6956 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6957 Log.v(TAG, "Want this data dir: " + dataPath); 6958 } 6959 //invoke installer to do the actual installation 6960 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6961 pkg.applicationInfo.seinfo); 6962 if (ret < 0) { 6963 // Error from installer 6964 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6965 "Unable to create data dirs [errorCode=" + ret + "]"); 6966 } 6967 6968 if (dataPath.exists()) { 6969 pkg.applicationInfo.dataDir = dataPath.getPath(); 6970 } else { 6971 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6972 pkg.applicationInfo.dataDir = null; 6973 } 6974 } 6975 6976 pkgSetting.uidError = uidError; 6977 } 6978 6979 final String path = scanFile.getPath(); 6980 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6981 6982 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6983 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6984 6985 // Some system apps still use directory structure for native libraries 6986 // in which case we might end up not detecting abi solely based on apk 6987 // structure. Try to detect abi based on directory structure. 6988 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6989 pkg.applicationInfo.primaryCpuAbi == null) { 6990 setBundledAppAbisAndRoots(pkg, pkgSetting); 6991 setNativeLibraryPaths(pkg); 6992 } 6993 6994 } else { 6995 if ((scanFlags & SCAN_MOVE) != 0) { 6996 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6997 // but we already have this packages package info in the PackageSetting. We just 6998 // use that and derive the native library path based on the new codepath. 6999 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7000 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7001 } 7002 7003 // Set native library paths again. For moves, the path will be updated based on the 7004 // ABIs we've determined above. For non-moves, the path will be updated based on the 7005 // ABIs we determined during compilation, but the path will depend on the final 7006 // package path (after the rename away from the stage path). 7007 setNativeLibraryPaths(pkg); 7008 } 7009 7010 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7011 final int[] userIds = sUserManager.getUserIds(); 7012 synchronized (mInstallLock) { 7013 // Make sure all user data directories are ready to roll; we're okay 7014 // if they already exist 7015 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7016 for (int userId : userIds) { 7017 if (userId != 0) { 7018 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7019 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7020 pkg.applicationInfo.seinfo); 7021 } 7022 } 7023 } 7024 7025 // Create a native library symlink only if we have native libraries 7026 // and if the native libraries are 32 bit libraries. We do not provide 7027 // this symlink for 64 bit libraries. 7028 if (pkg.applicationInfo.primaryCpuAbi != null && 7029 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7030 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7031 for (int userId : userIds) { 7032 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7033 nativeLibPath, userId) < 0) { 7034 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7035 "Failed linking native library dir (user=" + userId + ")"); 7036 } 7037 } 7038 } 7039 } 7040 7041 // This is a special case for the "system" package, where the ABI is 7042 // dictated by the zygote configuration (and init.rc). We should keep track 7043 // of this ABI so that we can deal with "normal" applications that run under 7044 // the same UID correctly. 7045 if (mPlatformPackage == pkg) { 7046 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7047 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7048 } 7049 7050 // If there's a mismatch between the abi-override in the package setting 7051 // and the abiOverride specified for the install. Warn about this because we 7052 // would've already compiled the app without taking the package setting into 7053 // account. 7054 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7055 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7056 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7057 " for package: " + pkg.packageName); 7058 } 7059 } 7060 7061 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7062 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7063 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7064 7065 // Copy the derived override back to the parsed package, so that we can 7066 // update the package settings accordingly. 7067 pkg.cpuAbiOverride = cpuAbiOverride; 7068 7069 if (DEBUG_ABI_SELECTION) { 7070 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7071 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7072 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7073 } 7074 7075 // Push the derived path down into PackageSettings so we know what to 7076 // clean up at uninstall time. 7077 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7078 7079 if (DEBUG_ABI_SELECTION) { 7080 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7081 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7082 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7083 } 7084 7085 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7086 // We don't do this here during boot because we can do it all 7087 // at once after scanning all existing packages. 7088 // 7089 // We also do this *before* we perform dexopt on this package, so that 7090 // we can avoid redundant dexopts, and also to make sure we've got the 7091 // code and package path correct. 7092 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7093 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 7094 } 7095 7096 if ((scanFlags & SCAN_NO_DEX) == 0) { 7097 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7098 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 7099 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7100 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7101 } 7102 } 7103 if (mFactoryTest && pkg.requestedPermissions.contains( 7104 android.Manifest.permission.FACTORY_TEST)) { 7105 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7106 } 7107 7108 ArrayList<PackageParser.Package> clientLibPkgs = null; 7109 7110 // writer 7111 synchronized (mPackages) { 7112 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7113 // Only system apps can add new shared libraries. 7114 if (pkg.libraryNames != null) { 7115 for (int i=0; i<pkg.libraryNames.size(); i++) { 7116 String name = pkg.libraryNames.get(i); 7117 boolean allowed = false; 7118 if (pkg.isUpdatedSystemApp()) { 7119 // New library entries can only be added through the 7120 // system image. This is important to get rid of a lot 7121 // of nasty edge cases: for example if we allowed a non- 7122 // system update of the app to add a library, then uninstalling 7123 // the update would make the library go away, and assumptions 7124 // we made such as through app install filtering would now 7125 // have allowed apps on the device which aren't compatible 7126 // with it. Better to just have the restriction here, be 7127 // conservative, and create many fewer cases that can negatively 7128 // impact the user experience. 7129 final PackageSetting sysPs = mSettings 7130 .getDisabledSystemPkgLPr(pkg.packageName); 7131 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7132 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7133 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7134 allowed = true; 7135 allowed = true; 7136 break; 7137 } 7138 } 7139 } 7140 } else { 7141 allowed = true; 7142 } 7143 if (allowed) { 7144 if (!mSharedLibraries.containsKey(name)) { 7145 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7146 } else if (!name.equals(pkg.packageName)) { 7147 Slog.w(TAG, "Package " + pkg.packageName + " library " 7148 + name + " already exists; skipping"); 7149 } 7150 } else { 7151 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7152 + name + " that is not declared on system image; skipping"); 7153 } 7154 } 7155 if ((scanFlags&SCAN_BOOTING) == 0) { 7156 // If we are not booting, we need to update any applications 7157 // that are clients of our shared library. If we are booting, 7158 // this will all be done once the scan is complete. 7159 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7160 } 7161 } 7162 } 7163 } 7164 7165 // We also need to dexopt any apps that are dependent on this library. Note that 7166 // if these fail, we should abort the install since installing the library will 7167 // result in some apps being broken. 7168 if (clientLibPkgs != null) { 7169 if ((scanFlags & SCAN_NO_DEX) == 0) { 7170 for (int i = 0; i < clientLibPkgs.size(); i++) { 7171 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7172 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7173 null /* instruction sets */, forceDex, 7174 (scanFlags & SCAN_DEFER_DEX) != 0, false); 7175 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7176 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7177 "scanPackageLI failed to dexopt clientLibPkgs"); 7178 } 7179 } 7180 } 7181 } 7182 7183 // Request the ActivityManager to kill the process(only for existing packages) 7184 // so that we do not end up in a confused state while the user is still using the older 7185 // version of the application while the new one gets installed. 7186 if ((scanFlags & SCAN_REPLACING) != 0) { 7187 killApplication(pkg.applicationInfo.packageName, 7188 pkg.applicationInfo.uid, "replace pkg"); 7189 } 7190 7191 // Also need to kill any apps that are dependent on the library. 7192 if (clientLibPkgs != null) { 7193 for (int i=0; i<clientLibPkgs.size(); i++) { 7194 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7195 killApplication(clientPkg.applicationInfo.packageName, 7196 clientPkg.applicationInfo.uid, "update lib"); 7197 } 7198 } 7199 7200 // Make sure we're not adding any bogus keyset info 7201 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7202 ksms.assertScannedPackageValid(pkg); 7203 7204 // writer 7205 synchronized (mPackages) { 7206 // We don't expect installation to fail beyond this point 7207 7208 // Add the new setting to mSettings 7209 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7210 // Add the new setting to mPackages 7211 mPackages.put(pkg.applicationInfo.packageName, pkg); 7212 // Make sure we don't accidentally delete its data. 7213 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7214 while (iter.hasNext()) { 7215 PackageCleanItem item = iter.next(); 7216 if (pkgName.equals(item.packageName)) { 7217 iter.remove(); 7218 } 7219 } 7220 7221 // Take care of first install / last update times. 7222 if (currentTime != 0) { 7223 if (pkgSetting.firstInstallTime == 0) { 7224 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7225 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7226 pkgSetting.lastUpdateTime = currentTime; 7227 } 7228 } else if (pkgSetting.firstInstallTime == 0) { 7229 // We need *something*. Take time time stamp of the file. 7230 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7231 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7232 if (scanFileTime != pkgSetting.timeStamp) { 7233 // A package on the system image has changed; consider this 7234 // to be an update. 7235 pkgSetting.lastUpdateTime = scanFileTime; 7236 } 7237 } 7238 7239 // Add the package's KeySets to the global KeySetManagerService 7240 ksms.addScannedPackageLPw(pkg); 7241 7242 int N = pkg.providers.size(); 7243 StringBuilder r = null; 7244 int i; 7245 for (i=0; i<N; i++) { 7246 PackageParser.Provider p = pkg.providers.get(i); 7247 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7248 p.info.processName, pkg.applicationInfo.uid); 7249 mProviders.addProvider(p); 7250 p.syncable = p.info.isSyncable; 7251 if (p.info.authority != null) { 7252 String names[] = p.info.authority.split(";"); 7253 p.info.authority = null; 7254 for (int j = 0; j < names.length; j++) { 7255 if (j == 1 && p.syncable) { 7256 // We only want the first authority for a provider to possibly be 7257 // syncable, so if we already added this provider using a different 7258 // authority clear the syncable flag. We copy the provider before 7259 // changing it because the mProviders object contains a reference 7260 // to a provider that we don't want to change. 7261 // Only do this for the second authority since the resulting provider 7262 // object can be the same for all future authorities for this provider. 7263 p = new PackageParser.Provider(p); 7264 p.syncable = false; 7265 } 7266 if (!mProvidersByAuthority.containsKey(names[j])) { 7267 mProvidersByAuthority.put(names[j], p); 7268 if (p.info.authority == null) { 7269 p.info.authority = names[j]; 7270 } else { 7271 p.info.authority = p.info.authority + ";" + names[j]; 7272 } 7273 if (DEBUG_PACKAGE_SCANNING) { 7274 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7275 Log.d(TAG, "Registered content provider: " + names[j] 7276 + ", className = " + p.info.name + ", isSyncable = " 7277 + p.info.isSyncable); 7278 } 7279 } else { 7280 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7281 Slog.w(TAG, "Skipping provider name " + names[j] + 7282 " (in package " + pkg.applicationInfo.packageName + 7283 "): name already used by " 7284 + ((other != null && other.getComponentName() != null) 7285 ? other.getComponentName().getPackageName() : "?")); 7286 } 7287 } 7288 } 7289 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7290 if (r == null) { 7291 r = new StringBuilder(256); 7292 } else { 7293 r.append(' '); 7294 } 7295 r.append(p.info.name); 7296 } 7297 } 7298 if (r != null) { 7299 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7300 } 7301 7302 N = pkg.services.size(); 7303 r = null; 7304 for (i=0; i<N; i++) { 7305 PackageParser.Service s = pkg.services.get(i); 7306 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7307 s.info.processName, pkg.applicationInfo.uid); 7308 mServices.addService(s); 7309 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7310 if (r == null) { 7311 r = new StringBuilder(256); 7312 } else { 7313 r.append(' '); 7314 } 7315 r.append(s.info.name); 7316 } 7317 } 7318 if (r != null) { 7319 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7320 } 7321 7322 N = pkg.receivers.size(); 7323 r = null; 7324 for (i=0; i<N; i++) { 7325 PackageParser.Activity a = pkg.receivers.get(i); 7326 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7327 a.info.processName, pkg.applicationInfo.uid); 7328 mReceivers.addActivity(a, "receiver"); 7329 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7330 if (r == null) { 7331 r = new StringBuilder(256); 7332 } else { 7333 r.append(' '); 7334 } 7335 r.append(a.info.name); 7336 } 7337 } 7338 if (r != null) { 7339 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7340 } 7341 7342 N = pkg.activities.size(); 7343 r = null; 7344 for (i=0; i<N; i++) { 7345 PackageParser.Activity a = pkg.activities.get(i); 7346 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7347 a.info.processName, pkg.applicationInfo.uid); 7348 mActivities.addActivity(a, "activity"); 7349 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7350 if (r == null) { 7351 r = new StringBuilder(256); 7352 } else { 7353 r.append(' '); 7354 } 7355 r.append(a.info.name); 7356 } 7357 } 7358 if (r != null) { 7359 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7360 } 7361 7362 N = pkg.permissionGroups.size(); 7363 r = null; 7364 for (i=0; i<N; i++) { 7365 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7366 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7367 if (cur == null) { 7368 mPermissionGroups.put(pg.info.name, pg); 7369 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7370 if (r == null) { 7371 r = new StringBuilder(256); 7372 } else { 7373 r.append(' '); 7374 } 7375 r.append(pg.info.name); 7376 } 7377 } else { 7378 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7379 + pg.info.packageName + " ignored: original from " 7380 + cur.info.packageName); 7381 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7382 if (r == null) { 7383 r = new StringBuilder(256); 7384 } else { 7385 r.append(' '); 7386 } 7387 r.append("DUP:"); 7388 r.append(pg.info.name); 7389 } 7390 } 7391 } 7392 if (r != null) { 7393 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7394 } 7395 7396 N = pkg.permissions.size(); 7397 r = null; 7398 for (i=0; i<N; i++) { 7399 PackageParser.Permission p = pkg.permissions.get(i); 7400 7401 // Assume by default that we did not install this permission into the system. 7402 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7403 7404 // Now that permission groups have a special meaning, we ignore permission 7405 // groups for legacy apps to prevent unexpected behavior. In particular, 7406 // permissions for one app being granted to someone just becuase they happen 7407 // to be in a group defined by another app (before this had no implications). 7408 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7409 p.group = mPermissionGroups.get(p.info.group); 7410 // Warn for a permission in an unknown group. 7411 if (p.info.group != null && p.group == null) { 7412 Slog.w(TAG, "Permission " + p.info.name + " from package " 7413 + p.info.packageName + " in an unknown group " + p.info.group); 7414 } 7415 } 7416 7417 ArrayMap<String, BasePermission> permissionMap = 7418 p.tree ? mSettings.mPermissionTrees 7419 : mSettings.mPermissions; 7420 BasePermission bp = permissionMap.get(p.info.name); 7421 7422 // Allow system apps to redefine non-system permissions 7423 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7424 final boolean currentOwnerIsSystem = (bp.perm != null 7425 && isSystemApp(bp.perm.owner)); 7426 if (isSystemApp(p.owner)) { 7427 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7428 // It's a built-in permission and no owner, take ownership now 7429 bp.packageSetting = pkgSetting; 7430 bp.perm = p; 7431 bp.uid = pkg.applicationInfo.uid; 7432 bp.sourcePackage = p.info.packageName; 7433 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7434 } else if (!currentOwnerIsSystem) { 7435 String msg = "New decl " + p.owner + " of permission " 7436 + p.info.name + " is system; overriding " + bp.sourcePackage; 7437 reportSettingsProblem(Log.WARN, msg); 7438 bp = null; 7439 } 7440 } 7441 } 7442 7443 if (bp == null) { 7444 bp = new BasePermission(p.info.name, p.info.packageName, 7445 BasePermission.TYPE_NORMAL); 7446 permissionMap.put(p.info.name, bp); 7447 } 7448 7449 if (bp.perm == null) { 7450 if (bp.sourcePackage == null 7451 || bp.sourcePackage.equals(p.info.packageName)) { 7452 BasePermission tree = findPermissionTreeLP(p.info.name); 7453 if (tree == null 7454 || tree.sourcePackage.equals(p.info.packageName)) { 7455 bp.packageSetting = pkgSetting; 7456 bp.perm = p; 7457 bp.uid = pkg.applicationInfo.uid; 7458 bp.sourcePackage = p.info.packageName; 7459 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7460 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7461 if (r == null) { 7462 r = new StringBuilder(256); 7463 } else { 7464 r.append(' '); 7465 } 7466 r.append(p.info.name); 7467 } 7468 } else { 7469 Slog.w(TAG, "Permission " + p.info.name + " from package " 7470 + p.info.packageName + " ignored: base tree " 7471 + tree.name + " is from package " 7472 + tree.sourcePackage); 7473 } 7474 } else { 7475 Slog.w(TAG, "Permission " + p.info.name + " from package " 7476 + p.info.packageName + " ignored: original from " 7477 + bp.sourcePackage); 7478 } 7479 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7480 if (r == null) { 7481 r = new StringBuilder(256); 7482 } else { 7483 r.append(' '); 7484 } 7485 r.append("DUP:"); 7486 r.append(p.info.name); 7487 } 7488 if (bp.perm == p) { 7489 bp.protectionLevel = p.info.protectionLevel; 7490 } 7491 } 7492 7493 if (r != null) { 7494 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7495 } 7496 7497 N = pkg.instrumentation.size(); 7498 r = null; 7499 for (i=0; i<N; i++) { 7500 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7501 a.info.packageName = pkg.applicationInfo.packageName; 7502 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7503 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7504 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7505 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7506 a.info.dataDir = pkg.applicationInfo.dataDir; 7507 7508 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7509 // need other information about the application, like the ABI and what not ? 7510 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7511 mInstrumentation.put(a.getComponentName(), a); 7512 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7513 if (r == null) { 7514 r = new StringBuilder(256); 7515 } else { 7516 r.append(' '); 7517 } 7518 r.append(a.info.name); 7519 } 7520 } 7521 if (r != null) { 7522 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7523 } 7524 7525 if (pkg.protectedBroadcasts != null) { 7526 N = pkg.protectedBroadcasts.size(); 7527 for (i=0; i<N; i++) { 7528 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7529 } 7530 } 7531 7532 pkgSetting.setTimeStamp(scanFileTime); 7533 7534 // Create idmap files for pairs of (packages, overlay packages). 7535 // Note: "android", ie framework-res.apk, is handled by native layers. 7536 if (pkg.mOverlayTarget != null) { 7537 // This is an overlay package. 7538 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7539 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7540 mOverlays.put(pkg.mOverlayTarget, 7541 new ArrayMap<String, PackageParser.Package>()); 7542 } 7543 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7544 map.put(pkg.packageName, pkg); 7545 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7546 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7547 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7548 "scanPackageLI failed to createIdmap"); 7549 } 7550 } 7551 } else if (mOverlays.containsKey(pkg.packageName) && 7552 !pkg.packageName.equals("android")) { 7553 // This is a regular package, with one or more known overlay packages. 7554 createIdmapsForPackageLI(pkg); 7555 } 7556 } 7557 7558 return pkg; 7559 } 7560 7561 /** 7562 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7563 * is derived purely on the basis of the contents of {@code scanFile} and 7564 * {@code cpuAbiOverride}. 7565 * 7566 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7567 */ 7568 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7569 String cpuAbiOverride, boolean extractLibs) 7570 throws PackageManagerException { 7571 // TODO: We can probably be smarter about this stuff. For installed apps, 7572 // we can calculate this information at install time once and for all. For 7573 // system apps, we can probably assume that this information doesn't change 7574 // after the first boot scan. As things stand, we do lots of unnecessary work. 7575 7576 // Give ourselves some initial paths; we'll come back for another 7577 // pass once we've determined ABI below. 7578 setNativeLibraryPaths(pkg); 7579 7580 // We would never need to extract libs for forward-locked and external packages, 7581 // since the container service will do it for us. We shouldn't attempt to 7582 // extract libs from system app when it was not updated. 7583 if (pkg.isForwardLocked() || isExternal(pkg) || 7584 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7585 extractLibs = false; 7586 } 7587 7588 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7589 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7590 7591 NativeLibraryHelper.Handle handle = null; 7592 try { 7593 handle = NativeLibraryHelper.Handle.create(scanFile); 7594 // TODO(multiArch): This can be null for apps that didn't go through the 7595 // usual installation process. We can calculate it again, like we 7596 // do during install time. 7597 // 7598 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7599 // unnecessary. 7600 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7601 7602 // Null out the abis so that they can be recalculated. 7603 pkg.applicationInfo.primaryCpuAbi = null; 7604 pkg.applicationInfo.secondaryCpuAbi = null; 7605 if (isMultiArch(pkg.applicationInfo)) { 7606 // Warn if we've set an abiOverride for multi-lib packages.. 7607 // By definition, we need to copy both 32 and 64 bit libraries for 7608 // such packages. 7609 if (pkg.cpuAbiOverride != null 7610 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7611 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7612 } 7613 7614 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7615 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7616 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7617 if (extractLibs) { 7618 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7619 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7620 useIsaSpecificSubdirs); 7621 } else { 7622 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7623 } 7624 } 7625 7626 maybeThrowExceptionForMultiArchCopy( 7627 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7628 7629 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7630 if (extractLibs) { 7631 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7632 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7633 useIsaSpecificSubdirs); 7634 } else { 7635 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7636 } 7637 } 7638 7639 maybeThrowExceptionForMultiArchCopy( 7640 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7641 7642 if (abi64 >= 0) { 7643 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7644 } 7645 7646 if (abi32 >= 0) { 7647 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7648 if (abi64 >= 0) { 7649 pkg.applicationInfo.secondaryCpuAbi = abi; 7650 } else { 7651 pkg.applicationInfo.primaryCpuAbi = abi; 7652 } 7653 } 7654 } else { 7655 String[] abiList = (cpuAbiOverride != null) ? 7656 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7657 7658 // Enable gross and lame hacks for apps that are built with old 7659 // SDK tools. We must scan their APKs for renderscript bitcode and 7660 // not launch them if it's present. Don't bother checking on devices 7661 // that don't have 64 bit support. 7662 boolean needsRenderScriptOverride = false; 7663 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7664 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7665 abiList = Build.SUPPORTED_32_BIT_ABIS; 7666 needsRenderScriptOverride = true; 7667 } 7668 7669 final int copyRet; 7670 if (extractLibs) { 7671 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7672 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7673 } else { 7674 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7675 } 7676 7677 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7678 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7679 "Error unpackaging native libs for app, errorCode=" + copyRet); 7680 } 7681 7682 if (copyRet >= 0) { 7683 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7684 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7685 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7686 } else if (needsRenderScriptOverride) { 7687 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7688 } 7689 } 7690 } catch (IOException ioe) { 7691 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7692 } finally { 7693 IoUtils.closeQuietly(handle); 7694 } 7695 7696 // Now that we've calculated the ABIs and determined if it's an internal app, 7697 // we will go ahead and populate the nativeLibraryPath. 7698 setNativeLibraryPaths(pkg); 7699 } 7700 7701 /** 7702 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7703 * i.e, so that all packages can be run inside a single process if required. 7704 * 7705 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7706 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7707 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7708 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7709 * updating a package that belongs to a shared user. 7710 * 7711 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7712 * adds unnecessary complexity. 7713 */ 7714 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7715 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 7716 String requiredInstructionSet = null; 7717 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7718 requiredInstructionSet = VMRuntime.getInstructionSet( 7719 scannedPackage.applicationInfo.primaryCpuAbi); 7720 } 7721 7722 PackageSetting requirer = null; 7723 for (PackageSetting ps : packagesForUser) { 7724 // If packagesForUser contains scannedPackage, we skip it. This will happen 7725 // when scannedPackage is an update of an existing package. Without this check, 7726 // we will never be able to change the ABI of any package belonging to a shared 7727 // user, even if it's compatible with other packages. 7728 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7729 if (ps.primaryCpuAbiString == null) { 7730 continue; 7731 } 7732 7733 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7734 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7735 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7736 // this but there's not much we can do. 7737 String errorMessage = "Instruction set mismatch, " 7738 + ((requirer == null) ? "[caller]" : requirer) 7739 + " requires " + requiredInstructionSet + " whereas " + ps 7740 + " requires " + instructionSet; 7741 Slog.w(TAG, errorMessage); 7742 } 7743 7744 if (requiredInstructionSet == null) { 7745 requiredInstructionSet = instructionSet; 7746 requirer = ps; 7747 } 7748 } 7749 } 7750 7751 if (requiredInstructionSet != null) { 7752 String adjustedAbi; 7753 if (requirer != null) { 7754 // requirer != null implies that either scannedPackage was null or that scannedPackage 7755 // did not require an ABI, in which case we have to adjust scannedPackage to match 7756 // the ABI of the set (which is the same as requirer's ABI) 7757 adjustedAbi = requirer.primaryCpuAbiString; 7758 if (scannedPackage != null) { 7759 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7760 } 7761 } else { 7762 // requirer == null implies that we're updating all ABIs in the set to 7763 // match scannedPackage. 7764 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7765 } 7766 7767 for (PackageSetting ps : packagesForUser) { 7768 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7769 if (ps.primaryCpuAbiString != null) { 7770 continue; 7771 } 7772 7773 ps.primaryCpuAbiString = adjustedAbi; 7774 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7775 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7776 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7777 7778 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7779 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 7780 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7781 ps.primaryCpuAbiString = null; 7782 ps.pkg.applicationInfo.primaryCpuAbi = null; 7783 return; 7784 } else { 7785 mInstaller.rmdex(ps.codePathString, 7786 getDexCodeInstructionSet(getPreferredInstructionSet())); 7787 } 7788 } 7789 } 7790 } 7791 } 7792 } 7793 7794 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7795 synchronized (mPackages) { 7796 mResolverReplaced = true; 7797 // Set up information for custom user intent resolution activity. 7798 mResolveActivity.applicationInfo = pkg.applicationInfo; 7799 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7800 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7801 mResolveActivity.processName = pkg.applicationInfo.packageName; 7802 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7803 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7804 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7805 mResolveActivity.theme = 0; 7806 mResolveActivity.exported = true; 7807 mResolveActivity.enabled = true; 7808 mResolveInfo.activityInfo = mResolveActivity; 7809 mResolveInfo.priority = 0; 7810 mResolveInfo.preferredOrder = 0; 7811 mResolveInfo.match = 0; 7812 mResolveComponentName = mCustomResolverComponentName; 7813 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7814 mResolveComponentName); 7815 } 7816 } 7817 7818 private static String calculateBundledApkRoot(final String codePathString) { 7819 final File codePath = new File(codePathString); 7820 final File codeRoot; 7821 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7822 codeRoot = Environment.getRootDirectory(); 7823 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7824 codeRoot = Environment.getOemDirectory(); 7825 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7826 codeRoot = Environment.getVendorDirectory(); 7827 } else { 7828 // Unrecognized code path; take its top real segment as the apk root: 7829 // e.g. /something/app/blah.apk => /something 7830 try { 7831 File f = codePath.getCanonicalFile(); 7832 File parent = f.getParentFile(); // non-null because codePath is a file 7833 File tmp; 7834 while ((tmp = parent.getParentFile()) != null) { 7835 f = parent; 7836 parent = tmp; 7837 } 7838 codeRoot = f; 7839 Slog.w(TAG, "Unrecognized code path " 7840 + codePath + " - using " + codeRoot); 7841 } catch (IOException e) { 7842 // Can't canonicalize the code path -- shenanigans? 7843 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7844 return Environment.getRootDirectory().getPath(); 7845 } 7846 } 7847 return codeRoot.getPath(); 7848 } 7849 7850 /** 7851 * Derive and set the location of native libraries for the given package, 7852 * which varies depending on where and how the package was installed. 7853 */ 7854 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7855 final ApplicationInfo info = pkg.applicationInfo; 7856 final String codePath = pkg.codePath; 7857 final File codeFile = new File(codePath); 7858 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7859 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7860 7861 info.nativeLibraryRootDir = null; 7862 info.nativeLibraryRootRequiresIsa = false; 7863 info.nativeLibraryDir = null; 7864 info.secondaryNativeLibraryDir = null; 7865 7866 if (isApkFile(codeFile)) { 7867 // Monolithic install 7868 if (bundledApp) { 7869 // If "/system/lib64/apkname" exists, assume that is the per-package 7870 // native library directory to use; otherwise use "/system/lib/apkname". 7871 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7872 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7873 getPrimaryInstructionSet(info)); 7874 7875 // This is a bundled system app so choose the path based on the ABI. 7876 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7877 // is just the default path. 7878 final String apkName = deriveCodePathName(codePath); 7879 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7880 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7881 apkName).getAbsolutePath(); 7882 7883 if (info.secondaryCpuAbi != null) { 7884 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7885 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7886 secondaryLibDir, apkName).getAbsolutePath(); 7887 } 7888 } else if (asecApp) { 7889 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7890 .getAbsolutePath(); 7891 } else { 7892 final String apkName = deriveCodePathName(codePath); 7893 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7894 .getAbsolutePath(); 7895 } 7896 7897 info.nativeLibraryRootRequiresIsa = false; 7898 info.nativeLibraryDir = info.nativeLibraryRootDir; 7899 } else { 7900 // Cluster install 7901 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7902 info.nativeLibraryRootRequiresIsa = true; 7903 7904 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7905 getPrimaryInstructionSet(info)).getAbsolutePath(); 7906 7907 if (info.secondaryCpuAbi != null) { 7908 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7909 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7910 } 7911 } 7912 } 7913 7914 /** 7915 * Calculate the abis and roots for a bundled app. These can uniquely 7916 * be determined from the contents of the system partition, i.e whether 7917 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7918 * of this information, and instead assume that the system was built 7919 * sensibly. 7920 */ 7921 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7922 PackageSetting pkgSetting) { 7923 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7924 7925 // If "/system/lib64/apkname" exists, assume that is the per-package 7926 // native library directory to use; otherwise use "/system/lib/apkname". 7927 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7928 setBundledAppAbi(pkg, apkRoot, apkName); 7929 // pkgSetting might be null during rescan following uninstall of updates 7930 // to a bundled app, so accommodate that possibility. The settings in 7931 // that case will be established later from the parsed package. 7932 // 7933 // If the settings aren't null, sync them up with what we've just derived. 7934 // note that apkRoot isn't stored in the package settings. 7935 if (pkgSetting != null) { 7936 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7937 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7938 } 7939 } 7940 7941 /** 7942 * Deduces the ABI of a bundled app and sets the relevant fields on the 7943 * parsed pkg object. 7944 * 7945 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7946 * under which system libraries are installed. 7947 * @param apkName the name of the installed package. 7948 */ 7949 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7950 final File codeFile = new File(pkg.codePath); 7951 7952 final boolean has64BitLibs; 7953 final boolean has32BitLibs; 7954 if (isApkFile(codeFile)) { 7955 // Monolithic install 7956 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7957 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7958 } else { 7959 // Cluster install 7960 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7961 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7962 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7963 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7964 has64BitLibs = (new File(rootDir, isa)).exists(); 7965 } else { 7966 has64BitLibs = false; 7967 } 7968 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7969 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7970 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7971 has32BitLibs = (new File(rootDir, isa)).exists(); 7972 } else { 7973 has32BitLibs = false; 7974 } 7975 } 7976 7977 if (has64BitLibs && !has32BitLibs) { 7978 // The package has 64 bit libs, but not 32 bit libs. Its primary 7979 // ABI should be 64 bit. We can safely assume here that the bundled 7980 // native libraries correspond to the most preferred ABI in the list. 7981 7982 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7983 pkg.applicationInfo.secondaryCpuAbi = null; 7984 } else if (has32BitLibs && !has64BitLibs) { 7985 // The package has 32 bit libs but not 64 bit libs. Its primary 7986 // ABI should be 32 bit. 7987 7988 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7989 pkg.applicationInfo.secondaryCpuAbi = null; 7990 } else if (has32BitLibs && has64BitLibs) { 7991 // The application has both 64 and 32 bit bundled libraries. We check 7992 // here that the app declares multiArch support, and warn if it doesn't. 7993 // 7994 // We will be lenient here and record both ABIs. The primary will be the 7995 // ABI that's higher on the list, i.e, a device that's configured to prefer 7996 // 64 bit apps will see a 64 bit primary ABI, 7997 7998 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7999 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8000 } 8001 8002 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8003 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8004 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8005 } else { 8006 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8007 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8008 } 8009 } else { 8010 pkg.applicationInfo.primaryCpuAbi = null; 8011 pkg.applicationInfo.secondaryCpuAbi = null; 8012 } 8013 } 8014 8015 private void killApplication(String pkgName, int appId, String reason) { 8016 // Request the ActivityManager to kill the process(only for existing packages) 8017 // so that we do not end up in a confused state while the user is still using the older 8018 // version of the application while the new one gets installed. 8019 IActivityManager am = ActivityManagerNative.getDefault(); 8020 if (am != null) { 8021 try { 8022 am.killApplicationWithAppId(pkgName, appId, reason); 8023 } catch (RemoteException e) { 8024 } 8025 } 8026 } 8027 8028 void removePackageLI(PackageSetting ps, boolean chatty) { 8029 if (DEBUG_INSTALL) { 8030 if (chatty) 8031 Log.d(TAG, "Removing package " + ps.name); 8032 } 8033 8034 // writer 8035 synchronized (mPackages) { 8036 mPackages.remove(ps.name); 8037 final PackageParser.Package pkg = ps.pkg; 8038 if (pkg != null) { 8039 cleanPackageDataStructuresLILPw(pkg, chatty); 8040 } 8041 } 8042 } 8043 8044 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8045 if (DEBUG_INSTALL) { 8046 if (chatty) 8047 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8048 } 8049 8050 // writer 8051 synchronized (mPackages) { 8052 mPackages.remove(pkg.applicationInfo.packageName); 8053 cleanPackageDataStructuresLILPw(pkg, chatty); 8054 } 8055 } 8056 8057 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8058 int N = pkg.providers.size(); 8059 StringBuilder r = null; 8060 int i; 8061 for (i=0; i<N; i++) { 8062 PackageParser.Provider p = pkg.providers.get(i); 8063 mProviders.removeProvider(p); 8064 if (p.info.authority == null) { 8065 8066 /* There was another ContentProvider with this authority when 8067 * this app was installed so this authority is null, 8068 * Ignore it as we don't have to unregister the provider. 8069 */ 8070 continue; 8071 } 8072 String names[] = p.info.authority.split(";"); 8073 for (int j = 0; j < names.length; j++) { 8074 if (mProvidersByAuthority.get(names[j]) == p) { 8075 mProvidersByAuthority.remove(names[j]); 8076 if (DEBUG_REMOVE) { 8077 if (chatty) 8078 Log.d(TAG, "Unregistered content provider: " + names[j] 8079 + ", className = " + p.info.name + ", isSyncable = " 8080 + p.info.isSyncable); 8081 } 8082 } 8083 } 8084 if (DEBUG_REMOVE && chatty) { 8085 if (r == null) { 8086 r = new StringBuilder(256); 8087 } else { 8088 r.append(' '); 8089 } 8090 r.append(p.info.name); 8091 } 8092 } 8093 if (r != null) { 8094 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8095 } 8096 8097 N = pkg.services.size(); 8098 r = null; 8099 for (i=0; i<N; i++) { 8100 PackageParser.Service s = pkg.services.get(i); 8101 mServices.removeService(s); 8102 if (chatty) { 8103 if (r == null) { 8104 r = new StringBuilder(256); 8105 } else { 8106 r.append(' '); 8107 } 8108 r.append(s.info.name); 8109 } 8110 } 8111 if (r != null) { 8112 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8113 } 8114 8115 N = pkg.receivers.size(); 8116 r = null; 8117 for (i=0; i<N; i++) { 8118 PackageParser.Activity a = pkg.receivers.get(i); 8119 mReceivers.removeActivity(a, "receiver"); 8120 if (DEBUG_REMOVE && chatty) { 8121 if (r == null) { 8122 r = new StringBuilder(256); 8123 } else { 8124 r.append(' '); 8125 } 8126 r.append(a.info.name); 8127 } 8128 } 8129 if (r != null) { 8130 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8131 } 8132 8133 N = pkg.activities.size(); 8134 r = null; 8135 for (i=0; i<N; i++) { 8136 PackageParser.Activity a = pkg.activities.get(i); 8137 mActivities.removeActivity(a, "activity"); 8138 if (DEBUG_REMOVE && chatty) { 8139 if (r == null) { 8140 r = new StringBuilder(256); 8141 } else { 8142 r.append(' '); 8143 } 8144 r.append(a.info.name); 8145 } 8146 } 8147 if (r != null) { 8148 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8149 } 8150 8151 N = pkg.permissions.size(); 8152 r = null; 8153 for (i=0; i<N; i++) { 8154 PackageParser.Permission p = pkg.permissions.get(i); 8155 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8156 if (bp == null) { 8157 bp = mSettings.mPermissionTrees.get(p.info.name); 8158 } 8159 if (bp != null && bp.perm == p) { 8160 bp.perm = null; 8161 if (DEBUG_REMOVE && chatty) { 8162 if (r == null) { 8163 r = new StringBuilder(256); 8164 } else { 8165 r.append(' '); 8166 } 8167 r.append(p.info.name); 8168 } 8169 } 8170 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8171 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8172 if (appOpPerms != null) { 8173 appOpPerms.remove(pkg.packageName); 8174 } 8175 } 8176 } 8177 if (r != null) { 8178 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8179 } 8180 8181 N = pkg.requestedPermissions.size(); 8182 r = null; 8183 for (i=0; i<N; i++) { 8184 String perm = pkg.requestedPermissions.get(i); 8185 BasePermission bp = mSettings.mPermissions.get(perm); 8186 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8187 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8188 if (appOpPerms != null) { 8189 appOpPerms.remove(pkg.packageName); 8190 if (appOpPerms.isEmpty()) { 8191 mAppOpPermissionPackages.remove(perm); 8192 } 8193 } 8194 } 8195 } 8196 if (r != null) { 8197 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8198 } 8199 8200 N = pkg.instrumentation.size(); 8201 r = null; 8202 for (i=0; i<N; i++) { 8203 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8204 mInstrumentation.remove(a.getComponentName()); 8205 if (DEBUG_REMOVE && chatty) { 8206 if (r == null) { 8207 r = new StringBuilder(256); 8208 } else { 8209 r.append(' '); 8210 } 8211 r.append(a.info.name); 8212 } 8213 } 8214 if (r != null) { 8215 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8216 } 8217 8218 r = null; 8219 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8220 // Only system apps can hold shared libraries. 8221 if (pkg.libraryNames != null) { 8222 for (i=0; i<pkg.libraryNames.size(); i++) { 8223 String name = pkg.libraryNames.get(i); 8224 SharedLibraryEntry cur = mSharedLibraries.get(name); 8225 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8226 mSharedLibraries.remove(name); 8227 if (DEBUG_REMOVE && chatty) { 8228 if (r == null) { 8229 r = new StringBuilder(256); 8230 } else { 8231 r.append(' '); 8232 } 8233 r.append(name); 8234 } 8235 } 8236 } 8237 } 8238 } 8239 if (r != null) { 8240 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8241 } 8242 } 8243 8244 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8245 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8246 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8247 return true; 8248 } 8249 } 8250 return false; 8251 } 8252 8253 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8254 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8255 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8256 8257 private void updatePermissionsLPw(String changingPkg, 8258 PackageParser.Package pkgInfo, int flags) { 8259 // Make sure there are no dangling permission trees. 8260 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8261 while (it.hasNext()) { 8262 final BasePermission bp = it.next(); 8263 if (bp.packageSetting == null) { 8264 // We may not yet have parsed the package, so just see if 8265 // we still know about its settings. 8266 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8267 } 8268 if (bp.packageSetting == null) { 8269 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8270 + " from package " + bp.sourcePackage); 8271 it.remove(); 8272 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8273 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8274 Slog.i(TAG, "Removing old permission tree: " + bp.name 8275 + " from package " + bp.sourcePackage); 8276 flags |= UPDATE_PERMISSIONS_ALL; 8277 it.remove(); 8278 } 8279 } 8280 } 8281 8282 // Make sure all dynamic permissions have been assigned to a package, 8283 // and make sure there are no dangling permissions. 8284 it = mSettings.mPermissions.values().iterator(); 8285 while (it.hasNext()) { 8286 final BasePermission bp = it.next(); 8287 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8288 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8289 + bp.name + " pkg=" + bp.sourcePackage 8290 + " info=" + bp.pendingInfo); 8291 if (bp.packageSetting == null && bp.pendingInfo != null) { 8292 final BasePermission tree = findPermissionTreeLP(bp.name); 8293 if (tree != null && tree.perm != null) { 8294 bp.packageSetting = tree.packageSetting; 8295 bp.perm = new PackageParser.Permission(tree.perm.owner, 8296 new PermissionInfo(bp.pendingInfo)); 8297 bp.perm.info.packageName = tree.perm.info.packageName; 8298 bp.perm.info.name = bp.name; 8299 bp.uid = tree.uid; 8300 } 8301 } 8302 } 8303 if (bp.packageSetting == null) { 8304 // We may not yet have parsed the package, so just see if 8305 // we still know about its settings. 8306 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8307 } 8308 if (bp.packageSetting == null) { 8309 Slog.w(TAG, "Removing dangling permission: " + bp.name 8310 + " from package " + bp.sourcePackage); 8311 it.remove(); 8312 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8313 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8314 Slog.i(TAG, "Removing old permission: " + bp.name 8315 + " from package " + bp.sourcePackage); 8316 flags |= UPDATE_PERMISSIONS_ALL; 8317 it.remove(); 8318 } 8319 } 8320 } 8321 8322 // Now update the permissions for all packages, in particular 8323 // replace the granted permissions of the system packages. 8324 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8325 for (PackageParser.Package pkg : mPackages.values()) { 8326 if (pkg != pkgInfo) { 8327 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8328 changingPkg); 8329 } 8330 } 8331 } 8332 8333 if (pkgInfo != null) { 8334 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8335 } 8336 } 8337 8338 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8339 String packageOfInterest) { 8340 // IMPORTANT: There are two types of permissions: install and runtime. 8341 // Install time permissions are granted when the app is installed to 8342 // all device users and users added in the future. Runtime permissions 8343 // are granted at runtime explicitly to specific users. Normal and signature 8344 // protected permissions are install time permissions. Dangerous permissions 8345 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8346 // otherwise they are runtime permissions. This function does not manage 8347 // runtime permissions except for the case an app targeting Lollipop MR1 8348 // being upgraded to target a newer SDK, in which case dangerous permissions 8349 // are transformed from install time to runtime ones. 8350 8351 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8352 if (ps == null) { 8353 return; 8354 } 8355 8356 PermissionsState permissionsState = ps.getPermissionsState(); 8357 PermissionsState origPermissions = permissionsState; 8358 8359 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8360 8361 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8362 8363 boolean changedInstallPermission = false; 8364 8365 if (replace) { 8366 ps.installPermissionsFixed = false; 8367 if (!ps.isSharedUser()) { 8368 origPermissions = new PermissionsState(permissionsState); 8369 permissionsState.reset(); 8370 } 8371 } 8372 8373 permissionsState.setGlobalGids(mGlobalGids); 8374 8375 final int N = pkg.requestedPermissions.size(); 8376 for (int i=0; i<N; i++) { 8377 final String name = pkg.requestedPermissions.get(i); 8378 final BasePermission bp = mSettings.mPermissions.get(name); 8379 8380 if (DEBUG_INSTALL) { 8381 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8382 } 8383 8384 if (bp == null || bp.packageSetting == null) { 8385 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8386 Slog.w(TAG, "Unknown permission " + name 8387 + " in package " + pkg.packageName); 8388 } 8389 continue; 8390 } 8391 8392 final String perm = bp.name; 8393 boolean allowedSig = false; 8394 int grant = GRANT_DENIED; 8395 8396 // Keep track of app op permissions. 8397 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8398 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8399 if (pkgs == null) { 8400 pkgs = new ArraySet<>(); 8401 mAppOpPermissionPackages.put(bp.name, pkgs); 8402 } 8403 pkgs.add(pkg.packageName); 8404 } 8405 8406 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8407 switch (level) { 8408 case PermissionInfo.PROTECTION_NORMAL: { 8409 // For all apps normal permissions are install time ones. 8410 grant = GRANT_INSTALL; 8411 } break; 8412 8413 case PermissionInfo.PROTECTION_DANGEROUS: { 8414 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8415 // For legacy apps dangerous permissions are install time ones. 8416 grant = GRANT_INSTALL_LEGACY; 8417 } else if (origPermissions.hasInstallPermission(bp.name)) { 8418 // For legacy apps that became modern, install becomes runtime. 8419 grant = GRANT_UPGRADE; 8420 } else if (mPromoteSystemApps 8421 && isSystemApp(ps) 8422 && mExistingSystemPackages.contains(ps.name)) { 8423 // For legacy system apps, install becomes runtime. 8424 // We cannot check hasInstallPermission() for system apps since those 8425 // permissions were granted implicitly and not persisted pre-M. 8426 grant = GRANT_UPGRADE; 8427 } else { 8428 // For modern apps keep runtime permissions unchanged. 8429 grant = GRANT_RUNTIME; 8430 } 8431 } break; 8432 8433 case PermissionInfo.PROTECTION_SIGNATURE: { 8434 // For all apps signature permissions are install time ones. 8435 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8436 if (allowedSig) { 8437 grant = GRANT_INSTALL; 8438 } 8439 } break; 8440 } 8441 8442 if (DEBUG_INSTALL) { 8443 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8444 } 8445 8446 if (grant != GRANT_DENIED) { 8447 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8448 // If this is an existing, non-system package, then 8449 // we can't add any new permissions to it. 8450 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8451 // Except... if this is a permission that was added 8452 // to the platform (note: need to only do this when 8453 // updating the platform). 8454 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8455 grant = GRANT_DENIED; 8456 } 8457 } 8458 } 8459 8460 switch (grant) { 8461 case GRANT_INSTALL: { 8462 // Revoke this as runtime permission to handle the case of 8463 // a runtime permission being downgraded to an install one. 8464 for (int userId : UserManagerService.getInstance().getUserIds()) { 8465 if (origPermissions.getRuntimePermissionState( 8466 bp.name, userId) != null) { 8467 // Revoke the runtime permission and clear the flags. 8468 origPermissions.revokeRuntimePermission(bp, userId); 8469 origPermissions.updatePermissionFlags(bp, userId, 8470 PackageManager.MASK_PERMISSION_FLAGS, 0); 8471 // If we revoked a permission permission, we have to write. 8472 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8473 changedRuntimePermissionUserIds, userId); 8474 } 8475 } 8476 // Grant an install permission. 8477 if (permissionsState.grantInstallPermission(bp) != 8478 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8479 changedInstallPermission = true; 8480 } 8481 } break; 8482 8483 case GRANT_INSTALL_LEGACY: { 8484 // Grant an install permission. 8485 if (permissionsState.grantInstallPermission(bp) != 8486 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8487 changedInstallPermission = true; 8488 } 8489 } break; 8490 8491 case GRANT_RUNTIME: { 8492 // Grant previously granted runtime permissions. 8493 for (int userId : UserManagerService.getInstance().getUserIds()) { 8494 PermissionState permissionState = origPermissions 8495 .getRuntimePermissionState(bp.name, userId); 8496 final int flags = permissionState != null 8497 ? permissionState.getFlags() : 0; 8498 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8499 if (permissionsState.grantRuntimePermission(bp, userId) == 8500 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8501 // If we cannot put the permission as it was, we have to write. 8502 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8503 changedRuntimePermissionUserIds, userId); 8504 } 8505 } 8506 // Propagate the permission flags. 8507 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8508 } 8509 } break; 8510 8511 case GRANT_UPGRADE: { 8512 // Grant runtime permissions for a previously held install permission. 8513 PermissionState permissionState = origPermissions 8514 .getInstallPermissionState(bp.name); 8515 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8516 8517 if (origPermissions.revokeInstallPermission(bp) 8518 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8519 // We will be transferring the permission flags, so clear them. 8520 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8521 PackageManager.MASK_PERMISSION_FLAGS, 0); 8522 changedInstallPermission = true; 8523 } 8524 8525 // If the permission is not to be promoted to runtime we ignore it and 8526 // also its other flags as they are not applicable to install permissions. 8527 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8528 for (int userId : currentUserIds) { 8529 if (permissionsState.grantRuntimePermission(bp, userId) != 8530 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8531 // Transfer the permission flags. 8532 permissionsState.updatePermissionFlags(bp, userId, 8533 flags, flags); 8534 // If we granted the permission, we have to write. 8535 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8536 changedRuntimePermissionUserIds, userId); 8537 } 8538 } 8539 } 8540 } break; 8541 8542 default: { 8543 if (packageOfInterest == null 8544 || packageOfInterest.equals(pkg.packageName)) { 8545 Slog.w(TAG, "Not granting permission " + perm 8546 + " to package " + pkg.packageName 8547 + " because it was previously installed without"); 8548 } 8549 } break; 8550 } 8551 } else { 8552 if (permissionsState.revokeInstallPermission(bp) != 8553 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8554 // Also drop the permission flags. 8555 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8556 PackageManager.MASK_PERMISSION_FLAGS, 0); 8557 changedInstallPermission = true; 8558 Slog.i(TAG, "Un-granting permission " + perm 8559 + " from package " + pkg.packageName 8560 + " (protectionLevel=" + bp.protectionLevel 8561 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8562 + ")"); 8563 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8564 // Don't print warning for app op permissions, since it is fine for them 8565 // not to be granted, there is a UI for the user to decide. 8566 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8567 Slog.w(TAG, "Not granting permission " + perm 8568 + " to package " + pkg.packageName 8569 + " (protectionLevel=" + bp.protectionLevel 8570 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8571 + ")"); 8572 } 8573 } 8574 } 8575 } 8576 8577 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8578 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8579 // This is the first that we have heard about this package, so the 8580 // permissions we have now selected are fixed until explicitly 8581 // changed. 8582 ps.installPermissionsFixed = true; 8583 } 8584 8585 // Persist the runtime permissions state for users with changes. 8586 for (int userId : changedRuntimePermissionUserIds) { 8587 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8588 } 8589 } 8590 8591 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8592 boolean allowed = false; 8593 final int NP = PackageParser.NEW_PERMISSIONS.length; 8594 for (int ip=0; ip<NP; ip++) { 8595 final PackageParser.NewPermissionInfo npi 8596 = PackageParser.NEW_PERMISSIONS[ip]; 8597 if (npi.name.equals(perm) 8598 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8599 allowed = true; 8600 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8601 + pkg.packageName); 8602 break; 8603 } 8604 } 8605 return allowed; 8606 } 8607 8608 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8609 BasePermission bp, PermissionsState origPermissions) { 8610 boolean allowed; 8611 allowed = (compareSignatures( 8612 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8613 == PackageManager.SIGNATURE_MATCH) 8614 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8615 == PackageManager.SIGNATURE_MATCH); 8616 if (!allowed && (bp.protectionLevel 8617 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8618 if (isSystemApp(pkg)) { 8619 // For updated system applications, a system permission 8620 // is granted only if it had been defined by the original application. 8621 if (pkg.isUpdatedSystemApp()) { 8622 final PackageSetting sysPs = mSettings 8623 .getDisabledSystemPkgLPr(pkg.packageName); 8624 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8625 // If the original was granted this permission, we take 8626 // that grant decision as read and propagate it to the 8627 // update. 8628 if (sysPs.isPrivileged()) { 8629 allowed = true; 8630 } 8631 } else { 8632 // The system apk may have been updated with an older 8633 // version of the one on the data partition, but which 8634 // granted a new system permission that it didn't have 8635 // before. In this case we do want to allow the app to 8636 // now get the new permission if the ancestral apk is 8637 // privileged to get it. 8638 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8639 for (int j=0; 8640 j<sysPs.pkg.requestedPermissions.size(); j++) { 8641 if (perm.equals( 8642 sysPs.pkg.requestedPermissions.get(j))) { 8643 allowed = true; 8644 break; 8645 } 8646 } 8647 } 8648 } 8649 } else { 8650 allowed = isPrivilegedApp(pkg); 8651 } 8652 } 8653 } 8654 if (!allowed) { 8655 if (!allowed && (bp.protectionLevel 8656 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8657 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8658 // If this was a previously normal/dangerous permission that got moved 8659 // to a system permission as part of the runtime permission redesign, then 8660 // we still want to blindly grant it to old apps. 8661 allowed = true; 8662 } 8663 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8664 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8665 // If this permission is to be granted to the system installer and 8666 // this app is an installer, then it gets the permission. 8667 allowed = true; 8668 } 8669 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8670 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8671 // If this permission is to be granted to the system verifier and 8672 // this app is a verifier, then it gets the permission. 8673 allowed = true; 8674 } 8675 if (!allowed && (bp.protectionLevel 8676 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8677 && isSystemApp(pkg)) { 8678 // Any pre-installed system app is allowed to get this permission. 8679 allowed = true; 8680 } 8681 if (!allowed && (bp.protectionLevel 8682 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8683 // For development permissions, a development permission 8684 // is granted only if it was already granted. 8685 allowed = origPermissions.hasInstallPermission(perm); 8686 } 8687 } 8688 return allowed; 8689 } 8690 8691 final class ActivityIntentResolver 8692 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8693 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8694 boolean defaultOnly, int userId) { 8695 if (!sUserManager.exists(userId)) return null; 8696 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8697 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8698 } 8699 8700 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8701 int userId) { 8702 if (!sUserManager.exists(userId)) return null; 8703 mFlags = flags; 8704 return super.queryIntent(intent, resolvedType, 8705 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8706 } 8707 8708 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8709 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8710 if (!sUserManager.exists(userId)) return null; 8711 if (packageActivities == null) { 8712 return null; 8713 } 8714 mFlags = flags; 8715 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8716 final int N = packageActivities.size(); 8717 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8718 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8719 8720 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8721 for (int i = 0; i < N; ++i) { 8722 intentFilters = packageActivities.get(i).intents; 8723 if (intentFilters != null && intentFilters.size() > 0) { 8724 PackageParser.ActivityIntentInfo[] array = 8725 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8726 intentFilters.toArray(array); 8727 listCut.add(array); 8728 } 8729 } 8730 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8731 } 8732 8733 public final void addActivity(PackageParser.Activity a, String type) { 8734 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8735 mActivities.put(a.getComponentName(), a); 8736 if (DEBUG_SHOW_INFO) 8737 Log.v( 8738 TAG, " " + type + " " + 8739 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8740 if (DEBUG_SHOW_INFO) 8741 Log.v(TAG, " Class=" + a.info.name); 8742 final int NI = a.intents.size(); 8743 for (int j=0; j<NI; j++) { 8744 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8745 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8746 intent.setPriority(0); 8747 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8748 + a.className + " with priority > 0, forcing to 0"); 8749 } 8750 if (DEBUG_SHOW_INFO) { 8751 Log.v(TAG, " IntentFilter:"); 8752 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8753 } 8754 if (!intent.debugCheck()) { 8755 Log.w(TAG, "==> For Activity " + a.info.name); 8756 } 8757 addFilter(intent); 8758 } 8759 } 8760 8761 public final void removeActivity(PackageParser.Activity a, String type) { 8762 mActivities.remove(a.getComponentName()); 8763 if (DEBUG_SHOW_INFO) { 8764 Log.v(TAG, " " + type + " " 8765 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8766 : a.info.name) + ":"); 8767 Log.v(TAG, " Class=" + a.info.name); 8768 } 8769 final int NI = a.intents.size(); 8770 for (int j=0; j<NI; j++) { 8771 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8772 if (DEBUG_SHOW_INFO) { 8773 Log.v(TAG, " IntentFilter:"); 8774 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8775 } 8776 removeFilter(intent); 8777 } 8778 } 8779 8780 @Override 8781 protected boolean allowFilterResult( 8782 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8783 ActivityInfo filterAi = filter.activity.info; 8784 for (int i=dest.size()-1; i>=0; i--) { 8785 ActivityInfo destAi = dest.get(i).activityInfo; 8786 if (destAi.name == filterAi.name 8787 && destAi.packageName == filterAi.packageName) { 8788 return false; 8789 } 8790 } 8791 return true; 8792 } 8793 8794 @Override 8795 protected ActivityIntentInfo[] newArray(int size) { 8796 return new ActivityIntentInfo[size]; 8797 } 8798 8799 @Override 8800 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8801 if (!sUserManager.exists(userId)) return true; 8802 PackageParser.Package p = filter.activity.owner; 8803 if (p != null) { 8804 PackageSetting ps = (PackageSetting)p.mExtras; 8805 if (ps != null) { 8806 // System apps are never considered stopped for purposes of 8807 // filtering, because there may be no way for the user to 8808 // actually re-launch them. 8809 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8810 && ps.getStopped(userId); 8811 } 8812 } 8813 return false; 8814 } 8815 8816 @Override 8817 protected boolean isPackageForFilter(String packageName, 8818 PackageParser.ActivityIntentInfo info) { 8819 return packageName.equals(info.activity.owner.packageName); 8820 } 8821 8822 @Override 8823 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8824 int match, int userId) { 8825 if (!sUserManager.exists(userId)) return null; 8826 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8827 return null; 8828 } 8829 final PackageParser.Activity activity = info.activity; 8830 if (mSafeMode && (activity.info.applicationInfo.flags 8831 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8832 return null; 8833 } 8834 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8835 if (ps == null) { 8836 return null; 8837 } 8838 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8839 ps.readUserState(userId), userId); 8840 if (ai == null) { 8841 return null; 8842 } 8843 final ResolveInfo res = new ResolveInfo(); 8844 res.activityInfo = ai; 8845 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8846 res.filter = info; 8847 } 8848 if (info != null) { 8849 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8850 } 8851 res.priority = info.getPriority(); 8852 res.preferredOrder = activity.owner.mPreferredOrder; 8853 //System.out.println("Result: " + res.activityInfo.className + 8854 // " = " + res.priority); 8855 res.match = match; 8856 res.isDefault = info.hasDefault; 8857 res.labelRes = info.labelRes; 8858 res.nonLocalizedLabel = info.nonLocalizedLabel; 8859 if (userNeedsBadging(userId)) { 8860 res.noResourceId = true; 8861 } else { 8862 res.icon = info.icon; 8863 } 8864 res.iconResourceId = info.icon; 8865 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8866 return res; 8867 } 8868 8869 @Override 8870 protected void sortResults(List<ResolveInfo> results) { 8871 Collections.sort(results, mResolvePrioritySorter); 8872 } 8873 8874 @Override 8875 protected void dumpFilter(PrintWriter out, String prefix, 8876 PackageParser.ActivityIntentInfo filter) { 8877 out.print(prefix); out.print( 8878 Integer.toHexString(System.identityHashCode(filter.activity))); 8879 out.print(' '); 8880 filter.activity.printComponentShortName(out); 8881 out.print(" filter "); 8882 out.println(Integer.toHexString(System.identityHashCode(filter))); 8883 } 8884 8885 @Override 8886 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8887 return filter.activity; 8888 } 8889 8890 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8891 PackageParser.Activity activity = (PackageParser.Activity)label; 8892 out.print(prefix); out.print( 8893 Integer.toHexString(System.identityHashCode(activity))); 8894 out.print(' '); 8895 activity.printComponentShortName(out); 8896 if (count > 1) { 8897 out.print(" ("); out.print(count); out.print(" filters)"); 8898 } 8899 out.println(); 8900 } 8901 8902 // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8903 // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8904 // final List<ResolveInfo> retList = Lists.newArrayList(); 8905 // while (i.hasNext()) { 8906 // final ResolveInfo resolveInfo = i.next(); 8907 // if (isEnabledLP(resolveInfo.activityInfo)) { 8908 // retList.add(resolveInfo); 8909 // } 8910 // } 8911 // return retList; 8912 // } 8913 8914 // Keys are String (activity class name), values are Activity. 8915 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8916 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8917 private int mFlags; 8918 } 8919 8920 private final class ServiceIntentResolver 8921 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8922 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8923 boolean defaultOnly, int userId) { 8924 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8925 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8926 } 8927 8928 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8929 int userId) { 8930 if (!sUserManager.exists(userId)) return null; 8931 mFlags = flags; 8932 return super.queryIntent(intent, resolvedType, 8933 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8934 } 8935 8936 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8937 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8938 if (!sUserManager.exists(userId)) return null; 8939 if (packageServices == null) { 8940 return null; 8941 } 8942 mFlags = flags; 8943 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8944 final int N = packageServices.size(); 8945 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8946 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8947 8948 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8949 for (int i = 0; i < N; ++i) { 8950 intentFilters = packageServices.get(i).intents; 8951 if (intentFilters != null && intentFilters.size() > 0) { 8952 PackageParser.ServiceIntentInfo[] array = 8953 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8954 intentFilters.toArray(array); 8955 listCut.add(array); 8956 } 8957 } 8958 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8959 } 8960 8961 public final void addService(PackageParser.Service s) { 8962 mServices.put(s.getComponentName(), s); 8963 if (DEBUG_SHOW_INFO) { 8964 Log.v(TAG, " " 8965 + (s.info.nonLocalizedLabel != null 8966 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8967 Log.v(TAG, " Class=" + s.info.name); 8968 } 8969 final int NI = s.intents.size(); 8970 int j; 8971 for (j=0; j<NI; j++) { 8972 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8973 if (DEBUG_SHOW_INFO) { 8974 Log.v(TAG, " IntentFilter:"); 8975 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8976 } 8977 if (!intent.debugCheck()) { 8978 Log.w(TAG, "==> For Service " + s.info.name); 8979 } 8980 addFilter(intent); 8981 } 8982 } 8983 8984 public final void removeService(PackageParser.Service s) { 8985 mServices.remove(s.getComponentName()); 8986 if (DEBUG_SHOW_INFO) { 8987 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8988 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8989 Log.v(TAG, " Class=" + s.info.name); 8990 } 8991 final int NI = s.intents.size(); 8992 int j; 8993 for (j=0; j<NI; j++) { 8994 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8995 if (DEBUG_SHOW_INFO) { 8996 Log.v(TAG, " IntentFilter:"); 8997 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8998 } 8999 removeFilter(intent); 9000 } 9001 } 9002 9003 @Override 9004 protected boolean allowFilterResult( 9005 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9006 ServiceInfo filterSi = filter.service.info; 9007 for (int i=dest.size()-1; i>=0; i--) { 9008 ServiceInfo destAi = dest.get(i).serviceInfo; 9009 if (destAi.name == filterSi.name 9010 && destAi.packageName == filterSi.packageName) { 9011 return false; 9012 } 9013 } 9014 return true; 9015 } 9016 9017 @Override 9018 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9019 return new PackageParser.ServiceIntentInfo[size]; 9020 } 9021 9022 @Override 9023 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9024 if (!sUserManager.exists(userId)) return true; 9025 PackageParser.Package p = filter.service.owner; 9026 if (p != null) { 9027 PackageSetting ps = (PackageSetting)p.mExtras; 9028 if (ps != null) { 9029 // System apps are never considered stopped for purposes of 9030 // filtering, because there may be no way for the user to 9031 // actually re-launch them. 9032 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9033 && ps.getStopped(userId); 9034 } 9035 } 9036 return false; 9037 } 9038 9039 @Override 9040 protected boolean isPackageForFilter(String packageName, 9041 PackageParser.ServiceIntentInfo info) { 9042 return packageName.equals(info.service.owner.packageName); 9043 } 9044 9045 @Override 9046 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9047 int match, int userId) { 9048 if (!sUserManager.exists(userId)) return null; 9049 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9050 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9051 return null; 9052 } 9053 final PackageParser.Service service = info.service; 9054 if (mSafeMode && (service.info.applicationInfo.flags 9055 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9056 return null; 9057 } 9058 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9059 if (ps == null) { 9060 return null; 9061 } 9062 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9063 ps.readUserState(userId), userId); 9064 if (si == null) { 9065 return null; 9066 } 9067 final ResolveInfo res = new ResolveInfo(); 9068 res.serviceInfo = si; 9069 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9070 res.filter = filter; 9071 } 9072 res.priority = info.getPriority(); 9073 res.preferredOrder = service.owner.mPreferredOrder; 9074 res.match = match; 9075 res.isDefault = info.hasDefault; 9076 res.labelRes = info.labelRes; 9077 res.nonLocalizedLabel = info.nonLocalizedLabel; 9078 res.icon = info.icon; 9079 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9080 return res; 9081 } 9082 9083 @Override 9084 protected void sortResults(List<ResolveInfo> results) { 9085 Collections.sort(results, mResolvePrioritySorter); 9086 } 9087 9088 @Override 9089 protected void dumpFilter(PrintWriter out, String prefix, 9090 PackageParser.ServiceIntentInfo filter) { 9091 out.print(prefix); out.print( 9092 Integer.toHexString(System.identityHashCode(filter.service))); 9093 out.print(' '); 9094 filter.service.printComponentShortName(out); 9095 out.print(" filter "); 9096 out.println(Integer.toHexString(System.identityHashCode(filter))); 9097 } 9098 9099 @Override 9100 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9101 return filter.service; 9102 } 9103 9104 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9105 PackageParser.Service service = (PackageParser.Service)label; 9106 out.print(prefix); out.print( 9107 Integer.toHexString(System.identityHashCode(service))); 9108 out.print(' '); 9109 service.printComponentShortName(out); 9110 if (count > 1) { 9111 out.print(" ("); out.print(count); out.print(" filters)"); 9112 } 9113 out.println(); 9114 } 9115 9116 // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9117 // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9118 // final List<ResolveInfo> retList = Lists.newArrayList(); 9119 // while (i.hasNext()) { 9120 // final ResolveInfo resolveInfo = (ResolveInfo) i; 9121 // if (isEnabledLP(resolveInfo.serviceInfo)) { 9122 // retList.add(resolveInfo); 9123 // } 9124 // } 9125 // return retList; 9126 // } 9127 9128 // Keys are String (activity class name), values are Activity. 9129 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9130 = new ArrayMap<ComponentName, PackageParser.Service>(); 9131 private int mFlags; 9132 }; 9133 9134 private final class ProviderIntentResolver 9135 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9136 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9137 boolean defaultOnly, int userId) { 9138 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9139 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9140 } 9141 9142 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9143 int userId) { 9144 if (!sUserManager.exists(userId)) 9145 return null; 9146 mFlags = flags; 9147 return super.queryIntent(intent, resolvedType, 9148 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9149 } 9150 9151 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9152 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9153 if (!sUserManager.exists(userId)) 9154 return null; 9155 if (packageProviders == null) { 9156 return null; 9157 } 9158 mFlags = flags; 9159 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9160 final int N = packageProviders.size(); 9161 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9162 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9163 9164 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9165 for (int i = 0; i < N; ++i) { 9166 intentFilters = packageProviders.get(i).intents; 9167 if (intentFilters != null && intentFilters.size() > 0) { 9168 PackageParser.ProviderIntentInfo[] array = 9169 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9170 intentFilters.toArray(array); 9171 listCut.add(array); 9172 } 9173 } 9174 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9175 } 9176 9177 public final void addProvider(PackageParser.Provider p) { 9178 if (mProviders.containsKey(p.getComponentName())) { 9179 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9180 return; 9181 } 9182 9183 mProviders.put(p.getComponentName(), p); 9184 if (DEBUG_SHOW_INFO) { 9185 Log.v(TAG, " " 9186 + (p.info.nonLocalizedLabel != null 9187 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9188 Log.v(TAG, " Class=" + p.info.name); 9189 } 9190 final int NI = p.intents.size(); 9191 int j; 9192 for (j = 0; j < NI; j++) { 9193 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9194 if (DEBUG_SHOW_INFO) { 9195 Log.v(TAG, " IntentFilter:"); 9196 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9197 } 9198 if (!intent.debugCheck()) { 9199 Log.w(TAG, "==> For Provider " + p.info.name); 9200 } 9201 addFilter(intent); 9202 } 9203 } 9204 9205 public final void removeProvider(PackageParser.Provider p) { 9206 mProviders.remove(p.getComponentName()); 9207 if (DEBUG_SHOW_INFO) { 9208 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9209 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9210 Log.v(TAG, " Class=" + p.info.name); 9211 } 9212 final int NI = p.intents.size(); 9213 int j; 9214 for (j = 0; j < NI; j++) { 9215 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9216 if (DEBUG_SHOW_INFO) { 9217 Log.v(TAG, " IntentFilter:"); 9218 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9219 } 9220 removeFilter(intent); 9221 } 9222 } 9223 9224 @Override 9225 protected boolean allowFilterResult( 9226 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9227 ProviderInfo filterPi = filter.provider.info; 9228 for (int i = dest.size() - 1; i >= 0; i--) { 9229 ProviderInfo destPi = dest.get(i).providerInfo; 9230 if (destPi.name == filterPi.name 9231 && destPi.packageName == filterPi.packageName) { 9232 return false; 9233 } 9234 } 9235 return true; 9236 } 9237 9238 @Override 9239 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9240 return new PackageParser.ProviderIntentInfo[size]; 9241 } 9242 9243 @Override 9244 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9245 if (!sUserManager.exists(userId)) 9246 return true; 9247 PackageParser.Package p = filter.provider.owner; 9248 if (p != null) { 9249 PackageSetting ps = (PackageSetting) p.mExtras; 9250 if (ps != null) { 9251 // System apps are never considered stopped for purposes of 9252 // filtering, because there may be no way for the user to 9253 // actually re-launch them. 9254 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9255 && ps.getStopped(userId); 9256 } 9257 } 9258 return false; 9259 } 9260 9261 @Override 9262 protected boolean isPackageForFilter(String packageName, 9263 PackageParser.ProviderIntentInfo info) { 9264 return packageName.equals(info.provider.owner.packageName); 9265 } 9266 9267 @Override 9268 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9269 int match, int userId) { 9270 if (!sUserManager.exists(userId)) 9271 return null; 9272 final PackageParser.ProviderIntentInfo info = filter; 9273 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9274 return null; 9275 } 9276 final PackageParser.Provider provider = info.provider; 9277 if (mSafeMode && (provider.info.applicationInfo.flags 9278 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9279 return null; 9280 } 9281 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9282 if (ps == null) { 9283 return null; 9284 } 9285 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9286 ps.readUserState(userId), userId); 9287 if (pi == null) { 9288 return null; 9289 } 9290 final ResolveInfo res = new ResolveInfo(); 9291 res.providerInfo = pi; 9292 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9293 res.filter = filter; 9294 } 9295 res.priority = info.getPriority(); 9296 res.preferredOrder = provider.owner.mPreferredOrder; 9297 res.match = match; 9298 res.isDefault = info.hasDefault; 9299 res.labelRes = info.labelRes; 9300 res.nonLocalizedLabel = info.nonLocalizedLabel; 9301 res.icon = info.icon; 9302 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9303 return res; 9304 } 9305 9306 @Override 9307 protected void sortResults(List<ResolveInfo> results) { 9308 Collections.sort(results, mResolvePrioritySorter); 9309 } 9310 9311 @Override 9312 protected void dumpFilter(PrintWriter out, String prefix, 9313 PackageParser.ProviderIntentInfo filter) { 9314 out.print(prefix); 9315 out.print( 9316 Integer.toHexString(System.identityHashCode(filter.provider))); 9317 out.print(' '); 9318 filter.provider.printComponentShortName(out); 9319 out.print(" filter "); 9320 out.println(Integer.toHexString(System.identityHashCode(filter))); 9321 } 9322 9323 @Override 9324 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9325 return filter.provider; 9326 } 9327 9328 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9329 PackageParser.Provider provider = (PackageParser.Provider)label; 9330 out.print(prefix); out.print( 9331 Integer.toHexString(System.identityHashCode(provider))); 9332 out.print(' '); 9333 provider.printComponentShortName(out); 9334 if (count > 1) { 9335 out.print(" ("); out.print(count); out.print(" filters)"); 9336 } 9337 out.println(); 9338 } 9339 9340 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9341 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9342 private int mFlags; 9343 }; 9344 9345 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9346 new Comparator<ResolveInfo>() { 9347 public int compare(ResolveInfo r1, ResolveInfo r2) { 9348 int v1 = r1.priority; 9349 int v2 = r2.priority; 9350 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9351 if (v1 != v2) { 9352 return (v1 > v2) ? -1 : 1; 9353 } 9354 v1 = r1.preferredOrder; 9355 v2 = r2.preferredOrder; 9356 if (v1 != v2) { 9357 return (v1 > v2) ? -1 : 1; 9358 } 9359 if (r1.isDefault != r2.isDefault) { 9360 return r1.isDefault ? -1 : 1; 9361 } 9362 v1 = r1.match; 9363 v2 = r2.match; 9364 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9365 if (v1 != v2) { 9366 return (v1 > v2) ? -1 : 1; 9367 } 9368 if (r1.system != r2.system) { 9369 return r1.system ? -1 : 1; 9370 } 9371 return 0; 9372 } 9373 }; 9374 9375 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9376 new Comparator<ProviderInfo>() { 9377 public int compare(ProviderInfo p1, ProviderInfo p2) { 9378 final int v1 = p1.initOrder; 9379 final int v2 = p2.initOrder; 9380 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9381 } 9382 }; 9383 9384 final void sendPackageBroadcast(final String action, final String pkg, 9385 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9386 final int[] userIds) { 9387 mHandler.post(new Runnable() { 9388 @Override 9389 public void run() { 9390 try { 9391 final IActivityManager am = ActivityManagerNative.getDefault(); 9392 if (am == null) return; 9393 final int[] resolvedUserIds; 9394 if (userIds == null) { 9395 resolvedUserIds = am.getRunningUserIds(); 9396 } else { 9397 resolvedUserIds = userIds; 9398 } 9399 for (int id : resolvedUserIds) { 9400 final Intent intent = new Intent(action, 9401 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9402 if (extras != null) { 9403 intent.putExtras(extras); 9404 } 9405 if (targetPkg != null) { 9406 intent.setPackage(targetPkg); 9407 } 9408 // Modify the UID when posting to other users 9409 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9410 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9411 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9412 intent.putExtra(Intent.EXTRA_UID, uid); 9413 } 9414 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9415 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9416 if (DEBUG_BROADCASTS) { 9417 RuntimeException here = new RuntimeException("here"); 9418 here.fillInStackTrace(); 9419 Slog.d(TAG, "Sending to user " + id + ": " 9420 + intent.toShortString(false, true, false, false) 9421 + " " + intent.getExtras(), here); 9422 } 9423 am.broadcastIntent(null, intent, null, finishedReceiver, 9424 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9425 null, finishedReceiver != null, false, id); 9426 } 9427 } catch (RemoteException ex) { 9428 } 9429 } 9430 }); 9431 } 9432 9433 /** 9434 * Check if the external storage media is available. This is true if there 9435 * is a mounted external storage medium or if the external storage is 9436 * emulated. 9437 */ 9438 private boolean isExternalMediaAvailable() { 9439 return mMediaMounted || Environment.isExternalStorageEmulated(); 9440 } 9441 9442 @Override 9443 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9444 // writer 9445 synchronized (mPackages) { 9446 if (!isExternalMediaAvailable()) { 9447 // If the external storage is no longer mounted at this point, 9448 // the caller may not have been able to delete all of this 9449 // packages files and can not delete any more. Bail. 9450 return null; 9451 } 9452 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9453 if (lastPackage != null) { 9454 pkgs.remove(lastPackage); 9455 } 9456 if (pkgs.size() > 0) { 9457 return pkgs.get(0); 9458 } 9459 } 9460 return null; 9461 } 9462 9463 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9464 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9465 userId, andCode ? 1 : 0, packageName); 9466 if (mSystemReady) { 9467 msg.sendToTarget(); 9468 } else { 9469 if (mPostSystemReadyMessages == null) { 9470 mPostSystemReadyMessages = new ArrayList<>(); 9471 } 9472 mPostSystemReadyMessages.add(msg); 9473 } 9474 } 9475 9476 void startCleaningPackages() { 9477 // reader 9478 synchronized (mPackages) { 9479 if (!isExternalMediaAvailable()) { 9480 return; 9481 } 9482 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9483 return; 9484 } 9485 } 9486 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9487 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9488 IActivityManager am = ActivityManagerNative.getDefault(); 9489 if (am != null) { 9490 try { 9491 am.startService(null, intent, null, mContext.getOpPackageName(), 9492 UserHandle.USER_OWNER); 9493 } catch (RemoteException e) { 9494 } 9495 } 9496 } 9497 9498 @Override 9499 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9500 int installFlags, String installerPackageName, VerificationParams verificationParams, 9501 String packageAbiOverride) { 9502 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9503 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9504 } 9505 9506 @Override 9507 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9508 int installFlags, String installerPackageName, VerificationParams verificationParams, 9509 String packageAbiOverride, int userId) { 9510 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9511 9512 final int callingUid = Binder.getCallingUid(); 9513 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9514 9515 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9516 try { 9517 if (observer != null) { 9518 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9519 } 9520 } catch (RemoteException re) { 9521 } 9522 return; 9523 } 9524 9525 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9526 installFlags |= PackageManager.INSTALL_FROM_ADB; 9527 9528 } else { 9529 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9530 // about installerPackageName. 9531 9532 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9533 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9534 } 9535 9536 UserHandle user; 9537 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9538 user = UserHandle.ALL; 9539 } else { 9540 user = new UserHandle(userId); 9541 } 9542 9543 // Only system components can circumvent runtime permissions when installing. 9544 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9545 && mContext.checkCallingOrSelfPermission(Manifest.permission 9546 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9547 throw new SecurityException("You need the " 9548 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9549 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9550 } 9551 9552 verificationParams.setInstallerUid(callingUid); 9553 9554 final File originFile = new File(originPath); 9555 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9556 9557 final Message msg = mHandler.obtainMessage(INIT_COPY); 9558 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9559 null, verificationParams, user, packageAbiOverride, null); 9560 mHandler.sendMessage(msg); 9561 } 9562 9563 void installStage(String packageName, File stagedDir, String stagedCid, 9564 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9565 String installerPackageName, int installerUid, UserHandle user) { 9566 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9567 params.referrerUri, installerUid, null); 9568 verifParams.setInstallerUid(installerUid); 9569 9570 final OriginInfo origin; 9571 if (stagedDir != null) { 9572 origin = OriginInfo.fromStagedFile(stagedDir); 9573 } else { 9574 origin = OriginInfo.fromStagedContainer(stagedCid); 9575 } 9576 9577 final Message msg = mHandler.obtainMessage(INIT_COPY); 9578 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9579 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride, 9580 params.grantedRuntimePermissions); 9581 mHandler.sendMessage(msg); 9582 } 9583 9584 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9585 Bundle extras = new Bundle(1); 9586 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9587 9588 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9589 packageName, extras, null, null, new int[] {userId}); 9590 try { 9591 IActivityManager am = ActivityManagerNative.getDefault(); 9592 final boolean isSystem = 9593 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9594 if (isSystem && am.isUserRunning(userId, false)) { 9595 // The just-installed/enabled app is bundled on the system, so presumed 9596 // to be able to run automatically without needing an explicit launch. 9597 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9598 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9599 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9600 .setPackage(packageName); 9601 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9602 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9603 } 9604 } catch (RemoteException e) { 9605 // shouldn't happen 9606 Slog.w(TAG, "Unable to bootstrap installed package", e); 9607 } 9608 } 9609 9610 @Override 9611 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9612 int userId) { 9613 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9614 PackageSetting pkgSetting; 9615 final int uid = Binder.getCallingUid(); 9616 enforceCrossUserPermission(uid, userId, true, true, 9617 "setApplicationHiddenSetting for user " + userId); 9618 9619 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9620 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9621 return false; 9622 } 9623 9624 long callingId = Binder.clearCallingIdentity(); 9625 try { 9626 boolean sendAdded = false; 9627 boolean sendRemoved = false; 9628 // writer 9629 synchronized (mPackages) { 9630 pkgSetting = mSettings.mPackages.get(packageName); 9631 if (pkgSetting == null) { 9632 return false; 9633 } 9634 if (pkgSetting.getHidden(userId) != hidden) { 9635 pkgSetting.setHidden(hidden, userId); 9636 mSettings.writePackageRestrictionsLPr(userId); 9637 if (hidden) { 9638 sendRemoved = true; 9639 } else { 9640 sendAdded = true; 9641 } 9642 } 9643 } 9644 if (sendAdded) { 9645 sendPackageAddedForUser(packageName, pkgSetting, userId); 9646 return true; 9647 } 9648 if (sendRemoved) { 9649 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9650 "hiding pkg"); 9651 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9652 return true; 9653 } 9654 } finally { 9655 Binder.restoreCallingIdentity(callingId); 9656 } 9657 return false; 9658 } 9659 9660 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9661 int userId) { 9662 final PackageRemovedInfo info = new PackageRemovedInfo(); 9663 info.removedPackage = packageName; 9664 info.removedUsers = new int[] {userId}; 9665 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9666 info.sendBroadcast(false, false, false); 9667 } 9668 9669 /** 9670 * Returns true if application is not found or there was an error. Otherwise it returns 9671 * the hidden state of the package for the given user. 9672 */ 9673 @Override 9674 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9675 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9676 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9677 false, "getApplicationHidden for user " + userId); 9678 PackageSetting pkgSetting; 9679 long callingId = Binder.clearCallingIdentity(); 9680 try { 9681 // writer 9682 synchronized (mPackages) { 9683 pkgSetting = mSettings.mPackages.get(packageName); 9684 if (pkgSetting == null) { 9685 return true; 9686 } 9687 return pkgSetting.getHidden(userId); 9688 } 9689 } finally { 9690 Binder.restoreCallingIdentity(callingId); 9691 } 9692 } 9693 9694 /** 9695 * @hide 9696 */ 9697 @Override 9698 public int installExistingPackageAsUser(String packageName, int userId) { 9699 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9700 null); 9701 PackageSetting pkgSetting; 9702 final int uid = Binder.getCallingUid(); 9703 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9704 + userId); 9705 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9706 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9707 } 9708 9709 long callingId = Binder.clearCallingIdentity(); 9710 try { 9711 boolean sendAdded = false; 9712 9713 // writer 9714 synchronized (mPackages) { 9715 pkgSetting = mSettings.mPackages.get(packageName); 9716 if (pkgSetting == null) { 9717 return PackageManager.INSTALL_FAILED_INVALID_URI; 9718 } 9719 if (!pkgSetting.getInstalled(userId)) { 9720 pkgSetting.setInstalled(true, userId); 9721 pkgSetting.setHidden(false, userId); 9722 mSettings.writePackageRestrictionsLPr(userId); 9723 sendAdded = true; 9724 } 9725 } 9726 9727 if (sendAdded) { 9728 sendPackageAddedForUser(packageName, pkgSetting, userId); 9729 } 9730 } finally { 9731 Binder.restoreCallingIdentity(callingId); 9732 } 9733 9734 return PackageManager.INSTALL_SUCCEEDED; 9735 } 9736 9737 boolean isUserRestricted(int userId, String restrictionKey) { 9738 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9739 if (restrictions.getBoolean(restrictionKey, false)) { 9740 Log.w(TAG, "User is restricted: " + restrictionKey); 9741 return true; 9742 } 9743 return false; 9744 } 9745 9746 @Override 9747 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9748 mContext.enforceCallingOrSelfPermission( 9749 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9750 "Only package verification agents can verify applications"); 9751 9752 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9753 final PackageVerificationResponse response = new PackageVerificationResponse( 9754 verificationCode, Binder.getCallingUid()); 9755 msg.arg1 = id; 9756 msg.obj = response; 9757 mHandler.sendMessage(msg); 9758 } 9759 9760 @Override 9761 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9762 long millisecondsToDelay) { 9763 mContext.enforceCallingOrSelfPermission( 9764 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9765 "Only package verification agents can extend verification timeouts"); 9766 9767 final PackageVerificationState state = mPendingVerification.get(id); 9768 final PackageVerificationResponse response = new PackageVerificationResponse( 9769 verificationCodeAtTimeout, Binder.getCallingUid()); 9770 9771 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9772 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9773 } 9774 if (millisecondsToDelay < 0) { 9775 millisecondsToDelay = 0; 9776 } 9777 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9778 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9779 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9780 } 9781 9782 if ((state != null) && !state.timeoutExtended()) { 9783 state.extendTimeout(); 9784 9785 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9786 msg.arg1 = id; 9787 msg.obj = response; 9788 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9789 } 9790 } 9791 9792 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9793 int verificationCode, UserHandle user) { 9794 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9795 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9796 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9797 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9798 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9799 9800 mContext.sendBroadcastAsUser(intent, user, 9801 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9802 } 9803 9804 private ComponentName matchComponentForVerifier(String packageName, 9805 List<ResolveInfo> receivers) { 9806 ActivityInfo targetReceiver = null; 9807 9808 final int NR = receivers.size(); 9809 for (int i = 0; i < NR; i++) { 9810 final ResolveInfo info = receivers.get(i); 9811 if (info.activityInfo == null) { 9812 continue; 9813 } 9814 9815 if (packageName.equals(info.activityInfo.packageName)) { 9816 targetReceiver = info.activityInfo; 9817 break; 9818 } 9819 } 9820 9821 if (targetReceiver == null) { 9822 return null; 9823 } 9824 9825 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9826 } 9827 9828 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9829 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9830 if (pkgInfo.verifiers.length == 0) { 9831 return null; 9832 } 9833 9834 final int N = pkgInfo.verifiers.length; 9835 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9836 for (int i = 0; i < N; i++) { 9837 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9838 9839 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9840 receivers); 9841 if (comp == null) { 9842 continue; 9843 } 9844 9845 final int verifierUid = getUidForVerifier(verifierInfo); 9846 if (verifierUid == -1) { 9847 continue; 9848 } 9849 9850 if (DEBUG_VERIFY) { 9851 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9852 + " with the correct signature"); 9853 } 9854 sufficientVerifiers.add(comp); 9855 verificationState.addSufficientVerifier(verifierUid); 9856 } 9857 9858 return sufficientVerifiers; 9859 } 9860 9861 private int getUidForVerifier(VerifierInfo verifierInfo) { 9862 synchronized (mPackages) { 9863 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9864 if (pkg == null) { 9865 return -1; 9866 } else if (pkg.mSignatures.length != 1) { 9867 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9868 + " has more than one signature; ignoring"); 9869 return -1; 9870 } 9871 9872 /* 9873 * If the public key of the package's signature does not match 9874 * our expected public key, then this is a different package and 9875 * we should skip. 9876 */ 9877 9878 final byte[] expectedPublicKey; 9879 try { 9880 final Signature verifierSig = pkg.mSignatures[0]; 9881 final PublicKey publicKey = verifierSig.getPublicKey(); 9882 expectedPublicKey = publicKey.getEncoded(); 9883 } catch (CertificateException e) { 9884 return -1; 9885 } 9886 9887 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9888 9889 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9890 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9891 + " does not have the expected public key; ignoring"); 9892 return -1; 9893 } 9894 9895 return pkg.applicationInfo.uid; 9896 } 9897 } 9898 9899 @Override 9900 public void finishPackageInstall(int token) { 9901 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9902 9903 if (DEBUG_INSTALL) { 9904 Slog.v(TAG, "BM finishing package install for " + token); 9905 } 9906 9907 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9908 mHandler.sendMessage(msg); 9909 } 9910 9911 /** 9912 * Get the verification agent timeout. 9913 * 9914 * @return verification timeout in milliseconds 9915 */ 9916 private long getVerificationTimeout() { 9917 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9918 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9919 DEFAULT_VERIFICATION_TIMEOUT); 9920 } 9921 9922 /** 9923 * Get the default verification agent response code. 9924 * 9925 * @return default verification response code 9926 */ 9927 private int getDefaultVerificationResponse() { 9928 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9929 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9930 DEFAULT_VERIFICATION_RESPONSE); 9931 } 9932 9933 /** 9934 * Check whether or not package verification has been enabled. 9935 * 9936 * @return true if verification should be performed 9937 */ 9938 private boolean isVerificationEnabled(int userId, int installFlags) { 9939 if (!DEFAULT_VERIFY_ENABLE) { 9940 return false; 9941 } 9942 9943 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9944 9945 // Check if installing from ADB 9946 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9947 // Do not run verification in a test harness environment 9948 if (ActivityManager.isRunningInTestHarness()) { 9949 return false; 9950 } 9951 if (ensureVerifyAppsEnabled) { 9952 return true; 9953 } 9954 // Check if the developer does not want package verification for ADB installs 9955 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9956 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9957 return false; 9958 } 9959 } 9960 9961 if (ensureVerifyAppsEnabled) { 9962 return true; 9963 } 9964 9965 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9966 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9967 } 9968 9969 @Override 9970 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9971 throws RemoteException { 9972 mContext.enforceCallingOrSelfPermission( 9973 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9974 "Only intentfilter verification agents can verify applications"); 9975 9976 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9977 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9978 Binder.getCallingUid(), verificationCode, failedDomains); 9979 msg.arg1 = id; 9980 msg.obj = response; 9981 mHandler.sendMessage(msg); 9982 } 9983 9984 @Override 9985 public int getIntentVerificationStatus(String packageName, int userId) { 9986 synchronized (mPackages) { 9987 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9988 } 9989 } 9990 9991 @Override 9992 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 9993 mContext.enforceCallingOrSelfPermission( 9994 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9995 9996 boolean result = false; 9997 synchronized (mPackages) { 9998 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 9999 } 10000 if (result) { 10001 scheduleWritePackageRestrictionsLocked(userId); 10002 } 10003 return result; 10004 } 10005 10006 @Override 10007 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10008 synchronized (mPackages) { 10009 return mSettings.getIntentFilterVerificationsLPr(packageName); 10010 } 10011 } 10012 10013 @Override 10014 public List<IntentFilter> getAllIntentFilters(String packageName) { 10015 if (TextUtils.isEmpty(packageName)) { 10016 return Collections.<IntentFilter>emptyList(); 10017 } 10018 synchronized (mPackages) { 10019 PackageParser.Package pkg = mPackages.get(packageName); 10020 if (pkg == null || pkg.activities == null) { 10021 return Collections.<IntentFilter>emptyList(); 10022 } 10023 final int count = pkg.activities.size(); 10024 ArrayList<IntentFilter> result = new ArrayList<>(); 10025 for (int n=0; n<count; n++) { 10026 PackageParser.Activity activity = pkg.activities.get(n); 10027 if (activity.intents != null || activity.intents.size() > 0) { 10028 result.addAll(activity.intents); 10029 } 10030 } 10031 return result; 10032 } 10033 } 10034 10035 @Override 10036 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10037 mContext.enforceCallingOrSelfPermission( 10038 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10039 10040 synchronized (mPackages) { 10041 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10042 if (packageName != null) { 10043 result |= updateIntentVerificationStatus(packageName, 10044 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10045 userId); 10046 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10047 packageName, userId); 10048 } 10049 return result; 10050 } 10051 } 10052 10053 @Override 10054 public String getDefaultBrowserPackageName(int userId) { 10055 synchronized (mPackages) { 10056 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10057 } 10058 } 10059 10060 /** 10061 * Get the "allow unknown sources" setting. 10062 * 10063 * @return the current "allow unknown sources" setting 10064 */ 10065 private int getUnknownSourcesSettings() { 10066 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10067 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10068 -1); 10069 } 10070 10071 @Override 10072 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10073 final int uid = Binder.getCallingUid(); 10074 // writer 10075 synchronized (mPackages) { 10076 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10077 if (targetPackageSetting == null) { 10078 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10079 } 10080 10081 PackageSetting installerPackageSetting; 10082 if (installerPackageName != null) { 10083 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10084 if (installerPackageSetting == null) { 10085 throw new IllegalArgumentException("Unknown installer package: " 10086 + installerPackageName); 10087 } 10088 } else { 10089 installerPackageSetting = null; 10090 } 10091 10092 Signature[] callerSignature; 10093 Object obj = mSettings.getUserIdLPr(uid); 10094 if (obj != null) { 10095 if (obj instanceof SharedUserSetting) { 10096 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10097 } else if (obj instanceof PackageSetting) { 10098 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10099 } else { 10100 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10101 } 10102 } else { 10103 throw new SecurityException("Unknown calling uid " + uid); 10104 } 10105 10106 // Verify: can't set installerPackageName to a package that is 10107 // not signed with the same cert as the caller. 10108 if (installerPackageSetting != null) { 10109 if (compareSignatures(callerSignature, 10110 installerPackageSetting.signatures.mSignatures) 10111 != PackageManager.SIGNATURE_MATCH) { 10112 throw new SecurityException( 10113 "Caller does not have same cert as new installer package " 10114 + installerPackageName); 10115 } 10116 } 10117 10118 // Verify: if target already has an installer package, it must 10119 // be signed with the same cert as the caller. 10120 if (targetPackageSetting.installerPackageName != null) { 10121 PackageSetting setting = mSettings.mPackages.get( 10122 targetPackageSetting.installerPackageName); 10123 // If the currently set package isn't valid, then it's always 10124 // okay to change it. 10125 if (setting != null) { 10126 if (compareSignatures(callerSignature, 10127 setting.signatures.mSignatures) 10128 != PackageManager.SIGNATURE_MATCH) { 10129 throw new SecurityException( 10130 "Caller does not have same cert as old installer package " 10131 + targetPackageSetting.installerPackageName); 10132 } 10133 } 10134 } 10135 10136 // Okay! 10137 targetPackageSetting.installerPackageName = installerPackageName; 10138 scheduleWriteSettingsLocked(); 10139 } 10140 } 10141 10142 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10143 // Queue up an async operation since the package installation may take a little while. 10144 mHandler.post(new Runnable() { 10145 public void run() { 10146 mHandler.removeCallbacks(this); 10147 // Result object to be returned 10148 PackageInstalledInfo res = new PackageInstalledInfo(); 10149 res.returnCode = currentStatus; 10150 res.uid = -1; 10151 res.pkg = null; 10152 res.removedInfo = new PackageRemovedInfo(); 10153 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10154 args.doPreInstall(res.returnCode); 10155 synchronized (mInstallLock) { 10156 installPackageLI(args, res); 10157 } 10158 args.doPostInstall(res.returnCode, res.uid); 10159 } 10160 10161 // A restore should be performed at this point if (a) the install 10162 // succeeded, (b) the operation is not an update, and (c) the new 10163 // package has not opted out of backup participation. 10164 final boolean update = res.removedInfo.removedPackage != null; 10165 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10166 boolean doRestore = !update 10167 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10168 10169 // Set up the post-install work request bookkeeping. This will be used 10170 // and cleaned up by the post-install event handling regardless of whether 10171 // there's a restore pass performed. Token values are >= 1. 10172 int token; 10173 if (mNextInstallToken < 0) mNextInstallToken = 1; 10174 token = mNextInstallToken++; 10175 10176 PostInstallData data = new PostInstallData(args, res); 10177 mRunningInstalls.put(token, data); 10178 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10179 10180 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10181 // Pass responsibility to the Backup Manager. It will perform a 10182 // restore if appropriate, then pass responsibility back to the 10183 // Package Manager to run the post-install observer callbacks 10184 // and broadcasts. 10185 IBackupManager bm = IBackupManager.Stub.asInterface( 10186 ServiceManager.getService(Context.BACKUP_SERVICE)); 10187 if (bm != null) { 10188 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10189 + " to BM for possible restore"); 10190 try { 10191 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10192 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10193 } else { 10194 doRestore = false; 10195 } 10196 } catch (RemoteException e) { 10197 // can't happen; the backup manager is local 10198 } catch (Exception e) { 10199 Slog.e(TAG, "Exception trying to enqueue restore", e); 10200 doRestore = false; 10201 } 10202 } else { 10203 Slog.e(TAG, "Backup Manager not found!"); 10204 doRestore = false; 10205 } 10206 } 10207 10208 if (!doRestore) { 10209 // No restore possible, or the Backup Manager was mysteriously not 10210 // available -- just fire the post-install work request directly. 10211 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10212 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10213 mHandler.sendMessage(msg); 10214 } 10215 } 10216 }); 10217 } 10218 10219 private abstract class HandlerParams { 10220 private static final int MAX_RETRIES = 4; 10221 10222 /** 10223 * Number of times startCopy() has been attempted and had a non-fatal 10224 * error. 10225 */ 10226 private int mRetries = 0; 10227 10228 /** User handle for the user requesting the information or installation. */ 10229 private final UserHandle mUser; 10230 10231 HandlerParams(UserHandle user) { 10232 mUser = user; 10233 } 10234 10235 UserHandle getUser() { 10236 return mUser; 10237 } 10238 10239 final boolean startCopy() { 10240 boolean res; 10241 try { 10242 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10243 10244 if (++mRetries > MAX_RETRIES) { 10245 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10246 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10247 handleServiceError(); 10248 return false; 10249 } else { 10250 handleStartCopy(); 10251 res = true; 10252 } 10253 } catch (RemoteException e) { 10254 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10255 mHandler.sendEmptyMessage(MCS_RECONNECT); 10256 res = false; 10257 } 10258 handleReturnCode(); 10259 return res; 10260 } 10261 10262 final void serviceError() { 10263 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10264 handleServiceError(); 10265 handleReturnCode(); 10266 } 10267 10268 abstract void handleStartCopy() throws RemoteException; 10269 abstract void handleServiceError(); 10270 abstract void handleReturnCode(); 10271 } 10272 10273 class MeasureParams extends HandlerParams { 10274 private final PackageStats mStats; 10275 private boolean mSuccess; 10276 10277 private final IPackageStatsObserver mObserver; 10278 10279 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10280 super(new UserHandle(stats.userHandle)); 10281 mObserver = observer; 10282 mStats = stats; 10283 } 10284 10285 @Override 10286 public String toString() { 10287 return "MeasureParams{" 10288 + Integer.toHexString(System.identityHashCode(this)) 10289 + " " + mStats.packageName + "}"; 10290 } 10291 10292 @Override 10293 void handleStartCopy() throws RemoteException { 10294 synchronized (mInstallLock) { 10295 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10296 } 10297 10298 if (mSuccess) { 10299 final boolean mounted; 10300 if (Environment.isExternalStorageEmulated()) { 10301 mounted = true; 10302 } else { 10303 final String status = Environment.getExternalStorageState(); 10304 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10305 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10306 } 10307 10308 if (mounted) { 10309 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10310 10311 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10312 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10313 10314 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10315 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10316 10317 // Always subtract cache size, since it's a subdirectory 10318 mStats.externalDataSize -= mStats.externalCacheSize; 10319 10320 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10321 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10322 10323 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10324 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10325 } 10326 } 10327 } 10328 10329 @Override 10330 void handleReturnCode() { 10331 if (mObserver != null) { 10332 try { 10333 mObserver.onGetStatsCompleted(mStats, mSuccess); 10334 } catch (RemoteException e) { 10335 Slog.i(TAG, "Observer no longer exists."); 10336 } 10337 } 10338 } 10339 10340 @Override 10341 void handleServiceError() { 10342 Slog.e(TAG, "Could not measure application " + mStats.packageName 10343 + " external storage"); 10344 } 10345 } 10346 10347 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10348 throws RemoteException { 10349 long result = 0; 10350 for (File path : paths) { 10351 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10352 } 10353 return result; 10354 } 10355 10356 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10357 for (File path : paths) { 10358 try { 10359 mcs.clearDirectory(path.getAbsolutePath()); 10360 } catch (RemoteException e) { 10361 } 10362 } 10363 } 10364 10365 static class OriginInfo { 10366 /** 10367 * Location where install is coming from, before it has been 10368 * copied/renamed into place. This could be a single monolithic APK 10369 * file, or a cluster directory. This location may be untrusted. 10370 */ 10371 final File file; 10372 final String cid; 10373 10374 /** 10375 * Flag indicating that {@link #file} or {@link #cid} has already been 10376 * staged, meaning downstream users don't need to defensively copy the 10377 * contents. 10378 */ 10379 final boolean staged; 10380 10381 /** 10382 * Flag indicating that {@link #file} or {@link #cid} is an already 10383 * installed app that is being moved. 10384 */ 10385 final boolean existing; 10386 10387 final String resolvedPath; 10388 final File resolvedFile; 10389 10390 static OriginInfo fromNothing() { 10391 return new OriginInfo(null, null, false, false); 10392 } 10393 10394 static OriginInfo fromUntrustedFile(File file) { 10395 return new OriginInfo(file, null, false, false); 10396 } 10397 10398 static OriginInfo fromExistingFile(File file) { 10399 return new OriginInfo(file, null, false, true); 10400 } 10401 10402 static OriginInfo fromStagedFile(File file) { 10403 return new OriginInfo(file, null, true, false); 10404 } 10405 10406 static OriginInfo fromStagedContainer(String cid) { 10407 return new OriginInfo(null, cid, true, false); 10408 } 10409 10410 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10411 this.file = file; 10412 this.cid = cid; 10413 this.staged = staged; 10414 this.existing = existing; 10415 10416 if (cid != null) { 10417 resolvedPath = PackageHelper.getSdDir(cid); 10418 resolvedFile = new File(resolvedPath); 10419 } else if (file != null) { 10420 resolvedPath = file.getAbsolutePath(); 10421 resolvedFile = file; 10422 } else { 10423 resolvedPath = null; 10424 resolvedFile = null; 10425 } 10426 } 10427 } 10428 10429 class MoveInfo { 10430 final int moveId; 10431 final String fromUuid; 10432 final String toUuid; 10433 final String packageName; 10434 final String dataAppName; 10435 final int appId; 10436 final String seinfo; 10437 10438 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10439 String dataAppName, int appId, String seinfo) { 10440 this.moveId = moveId; 10441 this.fromUuid = fromUuid; 10442 this.toUuid = toUuid; 10443 this.packageName = packageName; 10444 this.dataAppName = dataAppName; 10445 this.appId = appId; 10446 this.seinfo = seinfo; 10447 } 10448 } 10449 10450 class InstallParams extends HandlerParams { 10451 final OriginInfo origin; 10452 final MoveInfo move; 10453 final IPackageInstallObserver2 observer; 10454 int installFlags; 10455 final String installerPackageName; 10456 final String volumeUuid; 10457 final VerificationParams verificationParams; 10458 private InstallArgs mArgs; 10459 private int mRet; 10460 final String packageAbiOverride; 10461 final String[] grantedRuntimePermissions; 10462 10463 10464 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10465 int installFlags, String installerPackageName, String volumeUuid, 10466 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10467 String[] grantedPermissions) { 10468 super(user); 10469 this.origin = origin; 10470 this.move = move; 10471 this.observer = observer; 10472 this.installFlags = installFlags; 10473 this.installerPackageName = installerPackageName; 10474 this.volumeUuid = volumeUuid; 10475 this.verificationParams = verificationParams; 10476 this.packageAbiOverride = packageAbiOverride; 10477 this.grantedRuntimePermissions = grantedPermissions; 10478 } 10479 10480 @Override 10481 public String toString() { 10482 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10483 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10484 } 10485 10486 public ManifestDigest getManifestDigest() { 10487 if (verificationParams == null) { 10488 return null; 10489 } 10490 return verificationParams.getManifestDigest(); 10491 } 10492 10493 private int installLocationPolicy(PackageInfoLite pkgLite) { 10494 String packageName = pkgLite.packageName; 10495 int installLocation = pkgLite.installLocation; 10496 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10497 // reader 10498 synchronized (mPackages) { 10499 PackageParser.Package pkg = mPackages.get(packageName); 10500 if (pkg != null) { 10501 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10502 // Check for downgrading. 10503 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10504 try { 10505 checkDowngrade(pkg, pkgLite); 10506 } catch (PackageManagerException e) { 10507 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10508 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10509 } 10510 } 10511 // Check for updated system application. 10512 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10513 if (onSd) { 10514 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10515 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10516 } 10517 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10518 } else { 10519 if (onSd) { 10520 // Install flag overrides everything. 10521 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10522 } 10523 // If current upgrade specifies particular preference 10524 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10525 // Application explicitly specified internal. 10526 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10527 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10528 // App explictly prefers external. Let policy decide 10529 } else { 10530 // Prefer previous location 10531 if (isExternal(pkg)) { 10532 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10533 } 10534 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10535 } 10536 } 10537 } else { 10538 // Invalid install. Return error code 10539 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10540 } 10541 } 10542 } 10543 // All the special cases have been taken care of. 10544 // Return result based on recommended install location. 10545 if (onSd) { 10546 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10547 } 10548 return pkgLite.recommendedInstallLocation; 10549 } 10550 10551 /* 10552 * Invoke remote method to get package information and install 10553 * location values. Override install location based on default 10554 * policy if needed and then create install arguments based 10555 * on the install location. 10556 */ 10557 public void handleStartCopy() throws RemoteException { 10558 int ret = PackageManager.INSTALL_SUCCEEDED; 10559 10560 // If we're already staged, we've firmly committed to an install location 10561 if (origin.staged) { 10562 if (origin.file != null) { 10563 installFlags |= PackageManager.INSTALL_INTERNAL; 10564 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10565 } else if (origin.cid != null) { 10566 installFlags |= PackageManager.INSTALL_EXTERNAL; 10567 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10568 } else { 10569 throw new IllegalStateException("Invalid stage location"); 10570 } 10571 } 10572 10573 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10574 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10575 10576 PackageInfoLite pkgLite = null; 10577 10578 if (onInt && onSd) { 10579 // Check if both bits are set. 10580 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10581 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10582 } else { 10583 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10584 packageAbiOverride); 10585 10586 /* 10587 * If we have too little free space, try to free cache 10588 * before giving up. 10589 */ 10590 if (!origin.staged && pkgLite.recommendedInstallLocation 10591 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10592 // TODO: focus freeing disk space on the target device 10593 final StorageManager storage = StorageManager.from(mContext); 10594 final long lowThreshold = storage.getStorageLowBytes( 10595 Environment.getDataDirectory()); 10596 10597 final long sizeBytes = mContainerService.calculateInstalledSize( 10598 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10599 10600 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10601 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10602 installFlags, packageAbiOverride); 10603 } 10604 10605 /* 10606 * The cache free must have deleted the file we 10607 * downloaded to install. 10608 * 10609 * TODO: fix the "freeCache" call to not delete 10610 * the file we care about. 10611 */ 10612 if (pkgLite.recommendedInstallLocation 10613 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10614 pkgLite.recommendedInstallLocation 10615 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10616 } 10617 } 10618 } 10619 10620 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10621 int loc = pkgLite.recommendedInstallLocation; 10622 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10623 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10624 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10625 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10626 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10627 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10628 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10629 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10630 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10631 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10632 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10633 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10634 } else { 10635 // Override with defaults if needed. 10636 loc = installLocationPolicy(pkgLite); 10637 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10638 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10639 } else if (!onSd && !onInt) { 10640 // Override install location with flags 10641 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10642 // Set the flag to install on external media. 10643 installFlags |= PackageManager.INSTALL_EXTERNAL; 10644 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10645 } else { 10646 // Make sure the flag for installing on external 10647 // media is unset 10648 installFlags |= PackageManager.INSTALL_INTERNAL; 10649 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10650 } 10651 } 10652 } 10653 } 10654 10655 final InstallArgs args = createInstallArgs(this); 10656 mArgs = args; 10657 10658 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10659 /* 10660 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10661 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10662 */ 10663 int userIdentifier = getUser().getIdentifier(); 10664 if (userIdentifier == UserHandle.USER_ALL 10665 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10666 userIdentifier = UserHandle.USER_OWNER; 10667 } 10668 10669 /* 10670 * Determine if we have any installed package verifiers. If we 10671 * do, then we'll defer to them to verify the packages. 10672 */ 10673 final int requiredUid = mRequiredVerifierPackage == null ? -1 10674 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10675 if (!origin.existing && requiredUid != -1 10676 && isVerificationEnabled(userIdentifier, installFlags)) { 10677 final Intent verification = new Intent( 10678 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10679 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10680 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10681 PACKAGE_MIME_TYPE); 10682 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10683 10684 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10685 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10686 0 /* TODO: Which userId? */); 10687 10688 if (DEBUG_VERIFY) { 10689 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10690 + verification.toString() + " with " + pkgLite.verifiers.length 10691 + " optional verifiers"); 10692 } 10693 10694 final int verificationId = mPendingVerificationToken++; 10695 10696 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10697 10698 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10699 installerPackageName); 10700 10701 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10702 installFlags); 10703 10704 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10705 pkgLite.packageName); 10706 10707 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10708 pkgLite.versionCode); 10709 10710 if (verificationParams != null) { 10711 if (verificationParams.getVerificationURI() != null) { 10712 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10713 verificationParams.getVerificationURI()); 10714 } 10715 if (verificationParams.getOriginatingURI() != null) { 10716 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10717 verificationParams.getOriginatingURI()); 10718 } 10719 if (verificationParams.getReferrer() != null) { 10720 verification.putExtra(Intent.EXTRA_REFERRER, 10721 verificationParams.getReferrer()); 10722 } 10723 if (verificationParams.getOriginatingUid() >= 0) { 10724 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10725 verificationParams.getOriginatingUid()); 10726 } 10727 if (verificationParams.getInstallerUid() >= 0) { 10728 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10729 verificationParams.getInstallerUid()); 10730 } 10731 } 10732 10733 final PackageVerificationState verificationState = new PackageVerificationState( 10734 requiredUid, args); 10735 10736 mPendingVerification.append(verificationId, verificationState); 10737 10738 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10739 receivers, verificationState); 10740 10741 // Apps installed for "all" users use the device owner to verify the app 10742 UserHandle verifierUser = getUser(); 10743 if (verifierUser == UserHandle.ALL) { 10744 verifierUser = UserHandle.OWNER; 10745 } 10746 10747 /* 10748 * If any sufficient verifiers were listed in the package 10749 * manifest, attempt to ask them. 10750 */ 10751 if (sufficientVerifiers != null) { 10752 final int N = sufficientVerifiers.size(); 10753 if (N == 0) { 10754 Slog.i(TAG, "Additional verifiers required, but none installed."); 10755 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10756 } else { 10757 for (int i = 0; i < N; i++) { 10758 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10759 10760 final Intent sufficientIntent = new Intent(verification); 10761 sufficientIntent.setComponent(verifierComponent); 10762 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10763 } 10764 } 10765 } 10766 10767 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10768 mRequiredVerifierPackage, receivers); 10769 if (ret == PackageManager.INSTALL_SUCCEEDED 10770 && mRequiredVerifierPackage != null) { 10771 /* 10772 * Send the intent to the required verification agent, 10773 * but only start the verification timeout after the 10774 * target BroadcastReceivers have run. 10775 */ 10776 verification.setComponent(requiredVerifierComponent); 10777 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10778 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10779 new BroadcastReceiver() { 10780 @Override 10781 public void onReceive(Context context, Intent intent) { 10782 final Message msg = mHandler 10783 .obtainMessage(CHECK_PENDING_VERIFICATION); 10784 msg.arg1 = verificationId; 10785 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10786 } 10787 }, null, 0, null, null); 10788 10789 /* 10790 * We don't want the copy to proceed until verification 10791 * succeeds, so null out this field. 10792 */ 10793 mArgs = null; 10794 } 10795 } else { 10796 /* 10797 * No package verification is enabled, so immediately start 10798 * the remote call to initiate copy using temporary file. 10799 */ 10800 ret = args.copyApk(mContainerService, true); 10801 } 10802 } 10803 10804 mRet = ret; 10805 } 10806 10807 @Override 10808 void handleReturnCode() { 10809 // If mArgs is null, then MCS couldn't be reached. When it 10810 // reconnects, it will try again to install. At that point, this 10811 // will succeed. 10812 if (mArgs != null) { 10813 processPendingInstall(mArgs, mRet); 10814 } 10815 } 10816 10817 @Override 10818 void handleServiceError() { 10819 mArgs = createInstallArgs(this); 10820 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10821 } 10822 10823 public boolean isForwardLocked() { 10824 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10825 } 10826 } 10827 10828 /** 10829 * Used during creation of InstallArgs 10830 * 10831 * @param installFlags package installation flags 10832 * @return true if should be installed on external storage 10833 */ 10834 private static boolean installOnExternalAsec(int installFlags) { 10835 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10836 return false; 10837 } 10838 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10839 return true; 10840 } 10841 return false; 10842 } 10843 10844 /** 10845 * Used during creation of InstallArgs 10846 * 10847 * @param installFlags package installation flags 10848 * @return true if should be installed as forward locked 10849 */ 10850 private static boolean installForwardLocked(int installFlags) { 10851 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10852 } 10853 10854 private InstallArgs createInstallArgs(InstallParams params) { 10855 if (params.move != null) { 10856 return new MoveInstallArgs(params); 10857 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10858 return new AsecInstallArgs(params); 10859 } else { 10860 return new FileInstallArgs(params); 10861 } 10862 } 10863 10864 /** 10865 * Create args that describe an existing installed package. Typically used 10866 * when cleaning up old installs, or used as a move source. 10867 */ 10868 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10869 String resourcePath, String[] instructionSets) { 10870 final boolean isInAsec; 10871 if (installOnExternalAsec(installFlags)) { 10872 /* Apps on SD card are always in ASEC containers. */ 10873 isInAsec = true; 10874 } else if (installForwardLocked(installFlags) 10875 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10876 /* 10877 * Forward-locked apps are only in ASEC containers if they're the 10878 * new style 10879 */ 10880 isInAsec = true; 10881 } else { 10882 isInAsec = false; 10883 } 10884 10885 if (isInAsec) { 10886 return new AsecInstallArgs(codePath, instructionSets, 10887 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10888 } else { 10889 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10890 } 10891 } 10892 10893 static abstract class InstallArgs { 10894 /** @see InstallParams#origin */ 10895 final OriginInfo origin; 10896 /** @see InstallParams#move */ 10897 final MoveInfo move; 10898 10899 final IPackageInstallObserver2 observer; 10900 // Always refers to PackageManager flags only 10901 final int installFlags; 10902 final String installerPackageName; 10903 final String volumeUuid; 10904 final ManifestDigest manifestDigest; 10905 final UserHandle user; 10906 final String abiOverride; 10907 final String[] installGrantPermissions; 10908 10909 // The list of instruction sets supported by this app. This is currently 10910 // only used during the rmdex() phase to clean up resources. We can get rid of this 10911 // if we move dex files under the common app path. 10912 /* nullable */ String[] instructionSets; 10913 10914 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10915 int installFlags, String installerPackageName, String volumeUuid, 10916 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10917 String abiOverride, String[] installGrantPermissions) { 10918 this.origin = origin; 10919 this.move = move; 10920 this.installFlags = installFlags; 10921 this.observer = observer; 10922 this.installerPackageName = installerPackageName; 10923 this.volumeUuid = volumeUuid; 10924 this.manifestDigest = manifestDigest; 10925 this.user = user; 10926 this.instructionSets = instructionSets; 10927 this.abiOverride = abiOverride; 10928 this.installGrantPermissions = installGrantPermissions; 10929 } 10930 10931 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10932 abstract int doPreInstall(int status); 10933 10934 /** 10935 * Rename package into final resting place. All paths on the given 10936 * scanned package should be updated to reflect the rename. 10937 */ 10938 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10939 abstract int doPostInstall(int status, int uid); 10940 10941 /** @see PackageSettingBase#codePathString */ 10942 abstract String getCodePath(); 10943 /** @see PackageSettingBase#resourcePathString */ 10944 abstract String getResourcePath(); 10945 10946 // Need installer lock especially for dex file removal. 10947 abstract void cleanUpResourcesLI(); 10948 abstract boolean doPostDeleteLI(boolean delete); 10949 10950 /** 10951 * Called before the source arguments are copied. This is used mostly 10952 * for MoveParams when it needs to read the source file to put it in the 10953 * destination. 10954 */ 10955 int doPreCopy() { 10956 return PackageManager.INSTALL_SUCCEEDED; 10957 } 10958 10959 /** 10960 * Called after the source arguments are copied. This is used mostly for 10961 * MoveParams when it needs to read the source file to put it in the 10962 * destination. 10963 * 10964 * @return 10965 */ 10966 int doPostCopy(int uid) { 10967 return PackageManager.INSTALL_SUCCEEDED; 10968 } 10969 10970 protected boolean isFwdLocked() { 10971 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10972 } 10973 10974 protected boolean isExternalAsec() { 10975 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10976 } 10977 10978 UserHandle getUser() { 10979 return user; 10980 } 10981 } 10982 10983 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10984 if (!allCodePaths.isEmpty()) { 10985 if (instructionSets == null) { 10986 throw new IllegalStateException("instructionSet == null"); 10987 } 10988 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10989 for (String codePath : allCodePaths) { 10990 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 10991 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 10992 if (retCode < 0) { 10993 Slog.w(TAG, "Couldn't remove dex file for package: " 10994 + " at location " + codePath + ", retcode=" + retCode); 10995 // we don't consider this to be a failure of the core package deletion 10996 } 10997 } 10998 } 10999 } 11000 } 11001 11002 /** 11003 * Logic to handle installation of non-ASEC applications, including copying 11004 * and renaming logic. 11005 */ 11006 class FileInstallArgs extends InstallArgs { 11007 private File codeFile; 11008 private File resourceFile; 11009 11010 // Example topology: 11011 // /data/app/com.example/base.apk 11012 // /data/app/com.example/split_foo.apk 11013 // /data/app/com.example/lib/arm/libfoo.so 11014 // /data/app/com.example/lib/arm64/libfoo.so 11015 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11016 11017 /** New install */ 11018 FileInstallArgs(InstallParams params) { 11019 super(params.origin, params.move, params.observer, params.installFlags, 11020 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11021 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11022 params.grantedRuntimePermissions); 11023 if (isFwdLocked()) { 11024 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11025 } 11026 } 11027 11028 /** Existing install */ 11029 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11030 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11031 null, null); 11032 this.codeFile = (codePath != null) ? new File(codePath) : null; 11033 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11034 } 11035 11036 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11037 if (origin.staged) { 11038 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11039 codeFile = origin.file; 11040 resourceFile = origin.file; 11041 return PackageManager.INSTALL_SUCCEEDED; 11042 } 11043 11044 try { 11045 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11046 codeFile = tempDir; 11047 resourceFile = tempDir; 11048 } catch (IOException e) { 11049 Slog.w(TAG, "Failed to create copy file: " + e); 11050 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11051 } 11052 11053 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11054 @Override 11055 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11056 if (!FileUtils.isValidExtFilename(name)) { 11057 throw new IllegalArgumentException("Invalid filename: " + name); 11058 } 11059 try { 11060 final File file = new File(codeFile, name); 11061 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11062 O_RDWR | O_CREAT, 0644); 11063 Os.chmod(file.getAbsolutePath(), 0644); 11064 return new ParcelFileDescriptor(fd); 11065 } catch (ErrnoException e) { 11066 throw new RemoteException("Failed to open: " + e.getMessage()); 11067 } 11068 } 11069 }; 11070 11071 int ret = PackageManager.INSTALL_SUCCEEDED; 11072 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11073 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11074 Slog.e(TAG, "Failed to copy package"); 11075 return ret; 11076 } 11077 11078 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11079 NativeLibraryHelper.Handle handle = null; 11080 try { 11081 handle = NativeLibraryHelper.Handle.create(codeFile); 11082 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11083 abiOverride); 11084 } catch (IOException e) { 11085 Slog.e(TAG, "Copying native libraries failed", e); 11086 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11087 } finally { 11088 IoUtils.closeQuietly(handle); 11089 } 11090 11091 return ret; 11092 } 11093 11094 int doPreInstall(int status) { 11095 if (status != PackageManager.INSTALL_SUCCEEDED) { 11096 cleanUp(); 11097 } 11098 return status; 11099 } 11100 11101 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11102 if (status != PackageManager.INSTALL_SUCCEEDED) { 11103 cleanUp(); 11104 return false; 11105 } 11106 11107 final File targetDir = codeFile.getParentFile(); 11108 final File beforeCodeFile = codeFile; 11109 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11110 11111 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11112 try { 11113 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11114 } catch (ErrnoException e) { 11115 Slog.w(TAG, "Failed to rename", e); 11116 return false; 11117 } 11118 11119 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11120 Slog.w(TAG, "Failed to restorecon"); 11121 return false; 11122 } 11123 11124 // Reflect the rename internally 11125 codeFile = afterCodeFile; 11126 resourceFile = afterCodeFile; 11127 11128 // Reflect the rename in scanned details 11129 pkg.codePath = afterCodeFile.getAbsolutePath(); 11130 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11131 pkg.baseCodePath); 11132 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11133 pkg.splitCodePaths); 11134 11135 // Reflect the rename in app info 11136 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11137 pkg.applicationInfo.setCodePath(pkg.codePath); 11138 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11139 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11140 pkg.applicationInfo.setResourcePath(pkg.codePath); 11141 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11142 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11143 11144 return true; 11145 } 11146 11147 int doPostInstall(int status, int uid) { 11148 if (status != PackageManager.INSTALL_SUCCEEDED) { 11149 cleanUp(); 11150 } 11151 return status; 11152 } 11153 11154 @Override 11155 String getCodePath() { 11156 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11157 } 11158 11159 @Override 11160 String getResourcePath() { 11161 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11162 } 11163 11164 private boolean cleanUp() { 11165 if (codeFile == null || !codeFile.exists()) { 11166 return false; 11167 } 11168 11169 if (codeFile.isDirectory()) { 11170 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11171 } else { 11172 codeFile.delete(); 11173 } 11174 11175 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11176 resourceFile.delete(); 11177 } 11178 11179 return true; 11180 } 11181 11182 void cleanUpResourcesLI() { 11183 // Try enumerating all code paths before deleting 11184 List<String> allCodePaths = Collections.EMPTY_LIST; 11185 if (codeFile != null && codeFile.exists()) { 11186 try { 11187 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11188 allCodePaths = pkg.getAllCodePaths(); 11189 } catch (PackageParserException e) { 11190 // Ignored; we tried our best 11191 } 11192 } 11193 11194 cleanUp(); 11195 removeDexFiles(allCodePaths, instructionSets); 11196 } 11197 11198 boolean doPostDeleteLI(boolean delete) { 11199 // XXX err, shouldn't we respect the delete flag? 11200 cleanUpResourcesLI(); 11201 return true; 11202 } 11203 } 11204 11205 private boolean isAsecExternal(String cid) { 11206 final String asecPath = PackageHelper.getSdFilesystem(cid); 11207 return !asecPath.startsWith(mAsecInternalPath); 11208 } 11209 11210 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11211 PackageManagerException { 11212 if (copyRet < 0) { 11213 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11214 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11215 throw new PackageManagerException(copyRet, message); 11216 } 11217 } 11218 } 11219 11220 /** 11221 * Extract the MountService "container ID" from the full code path of an 11222 * .apk. 11223 */ 11224 static String cidFromCodePath(String fullCodePath) { 11225 int eidx = fullCodePath.lastIndexOf("/"); 11226 String subStr1 = fullCodePath.substring(0, eidx); 11227 int sidx = subStr1.lastIndexOf("/"); 11228 return subStr1.substring(sidx+1, eidx); 11229 } 11230 11231 /** 11232 * Logic to handle installation of ASEC applications, including copying and 11233 * renaming logic. 11234 */ 11235 class AsecInstallArgs extends InstallArgs { 11236 static final String RES_FILE_NAME = "pkg.apk"; 11237 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11238 11239 String cid; 11240 String packagePath; 11241 String resourcePath; 11242 11243 /** New install */ 11244 AsecInstallArgs(InstallParams params) { 11245 super(params.origin, params.move, params.observer, params.installFlags, 11246 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11247 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11248 params.grantedRuntimePermissions); 11249 } 11250 11251 /** Existing install */ 11252 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11253 boolean isExternal, boolean isForwardLocked) { 11254 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11255 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11256 instructionSets, null, null); 11257 // Hackily pretend we're still looking at a full code path 11258 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11259 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11260 } 11261 11262 // Extract cid from fullCodePath 11263 int eidx = fullCodePath.lastIndexOf("/"); 11264 String subStr1 = fullCodePath.substring(0, eidx); 11265 int sidx = subStr1.lastIndexOf("/"); 11266 cid = subStr1.substring(sidx+1, eidx); 11267 setMountPath(subStr1); 11268 } 11269 11270 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11271 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11272 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11273 instructionSets, null, null); 11274 this.cid = cid; 11275 setMountPath(PackageHelper.getSdDir(cid)); 11276 } 11277 11278 void createCopyFile() { 11279 cid = mInstallerService.allocateExternalStageCidLegacy(); 11280 } 11281 11282 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11283 if (origin.staged) { 11284 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11285 cid = origin.cid; 11286 setMountPath(PackageHelper.getSdDir(cid)); 11287 return PackageManager.INSTALL_SUCCEEDED; 11288 } 11289 11290 if (temp) { 11291 createCopyFile(); 11292 } else { 11293 /* 11294 * Pre-emptively destroy the container since it's destroyed if 11295 * copying fails due to it existing anyway. 11296 */ 11297 PackageHelper.destroySdDir(cid); 11298 } 11299 11300 final String newMountPath = imcs.copyPackageToContainer( 11301 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11302 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11303 11304 if (newMountPath != null) { 11305 setMountPath(newMountPath); 11306 return PackageManager.INSTALL_SUCCEEDED; 11307 } else { 11308 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11309 } 11310 } 11311 11312 @Override 11313 String getCodePath() { 11314 return packagePath; 11315 } 11316 11317 @Override 11318 String getResourcePath() { 11319 return resourcePath; 11320 } 11321 11322 int doPreInstall(int status) { 11323 if (status != PackageManager.INSTALL_SUCCEEDED) { 11324 // Destroy container 11325 PackageHelper.destroySdDir(cid); 11326 } else { 11327 boolean mounted = PackageHelper.isContainerMounted(cid); 11328 if (!mounted) { 11329 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11330 Process.SYSTEM_UID); 11331 if (newMountPath != null) { 11332 setMountPath(newMountPath); 11333 } else { 11334 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11335 } 11336 } 11337 } 11338 return status; 11339 } 11340 11341 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11342 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11343 String newMountPath = null; 11344 if (PackageHelper.isContainerMounted(cid)) { 11345 // Unmount the container 11346 if (!PackageHelper.unMountSdDir(cid)) { 11347 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11348 return false; 11349 } 11350 } 11351 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11352 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11353 " which might be stale. Will try to clean up."); 11354 // Clean up the stale container and proceed to recreate. 11355 if (!PackageHelper.destroySdDir(newCacheId)) { 11356 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11357 return false; 11358 } 11359 // Successfully cleaned up stale container. Try to rename again. 11360 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11361 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11362 + " inspite of cleaning it up."); 11363 return false; 11364 } 11365 } 11366 if (!PackageHelper.isContainerMounted(newCacheId)) { 11367 Slog.w(TAG, "Mounting container " + newCacheId); 11368 newMountPath = PackageHelper.mountSdDir(newCacheId, 11369 getEncryptKey(), Process.SYSTEM_UID); 11370 } else { 11371 newMountPath = PackageHelper.getSdDir(newCacheId); 11372 } 11373 if (newMountPath == null) { 11374 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11375 return false; 11376 } 11377 Log.i(TAG, "Succesfully renamed " + cid + 11378 " to " + newCacheId + 11379 " at new path: " + newMountPath); 11380 cid = newCacheId; 11381 11382 final File beforeCodeFile = new File(packagePath); 11383 setMountPath(newMountPath); 11384 final File afterCodeFile = new File(packagePath); 11385 11386 // Reflect the rename in scanned details 11387 pkg.codePath = afterCodeFile.getAbsolutePath(); 11388 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11389 pkg.baseCodePath); 11390 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11391 pkg.splitCodePaths); 11392 11393 // Reflect the rename in app info 11394 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11395 pkg.applicationInfo.setCodePath(pkg.codePath); 11396 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11397 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11398 pkg.applicationInfo.setResourcePath(pkg.codePath); 11399 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11400 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11401 11402 return true; 11403 } 11404 11405 private void setMountPath(String mountPath) { 11406 final File mountFile = new File(mountPath); 11407 11408 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11409 if (monolithicFile.exists()) { 11410 packagePath = monolithicFile.getAbsolutePath(); 11411 if (isFwdLocked()) { 11412 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11413 } else { 11414 resourcePath = packagePath; 11415 } 11416 } else { 11417 packagePath = mountFile.getAbsolutePath(); 11418 resourcePath = packagePath; 11419 } 11420 } 11421 11422 int doPostInstall(int status, int uid) { 11423 if (status != PackageManager.INSTALL_SUCCEEDED) { 11424 cleanUp(); 11425 } else { 11426 final int groupOwner; 11427 final String protectedFile; 11428 if (isFwdLocked()) { 11429 groupOwner = UserHandle.getSharedAppGid(uid); 11430 protectedFile = RES_FILE_NAME; 11431 } else { 11432 groupOwner = -1; 11433 protectedFile = null; 11434 } 11435 11436 if (uid < Process.FIRST_APPLICATION_UID 11437 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11438 Slog.e(TAG, "Failed to finalize " + cid); 11439 PackageHelper.destroySdDir(cid); 11440 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11441 } 11442 11443 boolean mounted = PackageHelper.isContainerMounted(cid); 11444 if (!mounted) { 11445 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11446 } 11447 } 11448 return status; 11449 } 11450 11451 private void cleanUp() { 11452 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11453 11454 // Destroy secure container 11455 PackageHelper.destroySdDir(cid); 11456 } 11457 11458 private List<String> getAllCodePaths() { 11459 final File codeFile = new File(getCodePath()); 11460 if (codeFile != null && codeFile.exists()) { 11461 try { 11462 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11463 return pkg.getAllCodePaths(); 11464 } catch (PackageParserException e) { 11465 // Ignored; we tried our best 11466 } 11467 } 11468 return Collections.EMPTY_LIST; 11469 } 11470 11471 void cleanUpResourcesLI() { 11472 // Enumerate all code paths before deleting 11473 cleanUpResourcesLI(getAllCodePaths()); 11474 } 11475 11476 private void cleanUpResourcesLI(List<String> allCodePaths) { 11477 cleanUp(); 11478 removeDexFiles(allCodePaths, instructionSets); 11479 } 11480 11481 String getPackageName() { 11482 return getAsecPackageName(cid); 11483 } 11484 11485 boolean doPostDeleteLI(boolean delete) { 11486 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11487 final List<String> allCodePaths = getAllCodePaths(); 11488 boolean mounted = PackageHelper.isContainerMounted(cid); 11489 if (mounted) { 11490 // Unmount first 11491 if (PackageHelper.unMountSdDir(cid)) { 11492 mounted = false; 11493 } 11494 } 11495 if (!mounted && delete) { 11496 cleanUpResourcesLI(allCodePaths); 11497 } 11498 return !mounted; 11499 } 11500 11501 @Override 11502 int doPreCopy() { 11503 if (isFwdLocked()) { 11504 if (!PackageHelper.fixSdPermissions(cid, 11505 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11506 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11507 } 11508 } 11509 11510 return PackageManager.INSTALL_SUCCEEDED; 11511 } 11512 11513 @Override 11514 int doPostCopy(int uid) { 11515 if (isFwdLocked()) { 11516 if (uid < Process.FIRST_APPLICATION_UID 11517 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11518 RES_FILE_NAME)) { 11519 Slog.e(TAG, "Failed to finalize " + cid); 11520 PackageHelper.destroySdDir(cid); 11521 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11522 } 11523 } 11524 11525 return PackageManager.INSTALL_SUCCEEDED; 11526 } 11527 } 11528 11529 /** 11530 * Logic to handle movement of existing installed applications. 11531 */ 11532 class MoveInstallArgs extends InstallArgs { 11533 private File codeFile; 11534 private File resourceFile; 11535 11536 /** New install */ 11537 MoveInstallArgs(InstallParams params) { 11538 super(params.origin, params.move, params.observer, params.installFlags, 11539 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11540 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11541 params.grantedRuntimePermissions); 11542 } 11543 11544 int copyApk(IMediaContainerService imcs, boolean temp) { 11545 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11546 + move.fromUuid + " to " + move.toUuid); 11547 synchronized (mInstaller) { 11548 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11549 move.dataAppName, move.appId, move.seinfo) != 0) { 11550 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11551 } 11552 } 11553 11554 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11555 resourceFile = codeFile; 11556 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11557 11558 return PackageManager.INSTALL_SUCCEEDED; 11559 } 11560 11561 int doPreInstall(int status) { 11562 if (status != PackageManager.INSTALL_SUCCEEDED) { 11563 cleanUp(move.toUuid); 11564 } 11565 return status; 11566 } 11567 11568 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11569 if (status != PackageManager.INSTALL_SUCCEEDED) { 11570 cleanUp(move.toUuid); 11571 return false; 11572 } 11573 11574 // Reflect the move in app info 11575 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11576 pkg.applicationInfo.setCodePath(pkg.codePath); 11577 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11578 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11579 pkg.applicationInfo.setResourcePath(pkg.codePath); 11580 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11581 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11582 11583 return true; 11584 } 11585 11586 int doPostInstall(int status, int uid) { 11587 if (status == PackageManager.INSTALL_SUCCEEDED) { 11588 cleanUp(move.fromUuid); 11589 } else { 11590 cleanUp(move.toUuid); 11591 } 11592 return status; 11593 } 11594 11595 @Override 11596 String getCodePath() { 11597 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11598 } 11599 11600 @Override 11601 String getResourcePath() { 11602 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11603 } 11604 11605 private boolean cleanUp(String volumeUuid) { 11606 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11607 move.dataAppName); 11608 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11609 synchronized (mInstallLock) { 11610 // Clean up both app data and code 11611 removeDataDirsLI(volumeUuid, move.packageName); 11612 if (codeFile.isDirectory()) { 11613 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11614 } else { 11615 codeFile.delete(); 11616 } 11617 } 11618 return true; 11619 } 11620 11621 void cleanUpResourcesLI() { 11622 throw new UnsupportedOperationException(); 11623 } 11624 11625 boolean doPostDeleteLI(boolean delete) { 11626 throw new UnsupportedOperationException(); 11627 } 11628 } 11629 11630 static String getAsecPackageName(String packageCid) { 11631 int idx = packageCid.lastIndexOf("-"); 11632 if (idx == -1) { 11633 return packageCid; 11634 } 11635 return packageCid.substring(0, idx); 11636 } 11637 11638 // Utility method used to create code paths based on package name and available index. 11639 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11640 String idxStr = ""; 11641 int idx = 1; 11642 // Fall back to default value of idx=1 if prefix is not 11643 // part of oldCodePath 11644 if (oldCodePath != null) { 11645 String subStr = oldCodePath; 11646 // Drop the suffix right away 11647 if (suffix != null && subStr.endsWith(suffix)) { 11648 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11649 } 11650 // If oldCodePath already contains prefix find out the 11651 // ending index to either increment or decrement. 11652 int sidx = subStr.lastIndexOf(prefix); 11653 if (sidx != -1) { 11654 subStr = subStr.substring(sidx + prefix.length()); 11655 if (subStr != null) { 11656 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11657 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11658 } 11659 try { 11660 idx = Integer.parseInt(subStr); 11661 if (idx <= 1) { 11662 idx++; 11663 } else { 11664 idx--; 11665 } 11666 } catch(NumberFormatException e) { 11667 } 11668 } 11669 } 11670 } 11671 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11672 return prefix + idxStr; 11673 } 11674 11675 private File getNextCodePath(File targetDir, String packageName) { 11676 int suffix = 1; 11677 File result; 11678 do { 11679 result = new File(targetDir, packageName + "-" + suffix); 11680 suffix++; 11681 } while (result.exists()); 11682 return result; 11683 } 11684 11685 // Utility method that returns the relative package path with respect 11686 // to the installation directory. Like say for /data/data/com.test-1.apk 11687 // string com.test-1 is returned. 11688 static String deriveCodePathName(String codePath) { 11689 if (codePath == null) { 11690 return null; 11691 } 11692 final File codeFile = new File(codePath); 11693 final String name = codeFile.getName(); 11694 if (codeFile.isDirectory()) { 11695 return name; 11696 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11697 final int lastDot = name.lastIndexOf('.'); 11698 return name.substring(0, lastDot); 11699 } else { 11700 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11701 return null; 11702 } 11703 } 11704 11705 class PackageInstalledInfo { 11706 String name; 11707 int uid; 11708 // The set of users that originally had this package installed. 11709 int[] origUsers; 11710 // The set of users that now have this package installed. 11711 int[] newUsers; 11712 PackageParser.Package pkg; 11713 int returnCode; 11714 String returnMsg; 11715 PackageRemovedInfo removedInfo; 11716 11717 public void setError(int code, String msg) { 11718 returnCode = code; 11719 returnMsg = msg; 11720 Slog.w(TAG, msg); 11721 } 11722 11723 public void setError(String msg, PackageParserException e) { 11724 returnCode = e.error; 11725 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11726 Slog.w(TAG, msg, e); 11727 } 11728 11729 public void setError(String msg, PackageManagerException e) { 11730 returnCode = e.error; 11731 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11732 Slog.w(TAG, msg, e); 11733 } 11734 11735 // In some error cases we want to convey more info back to the observer 11736 String origPackage; 11737 String origPermission; 11738 } 11739 11740 /* 11741 * Install a non-existing package. 11742 */ 11743 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11744 UserHandle user, String installerPackageName, String volumeUuid, 11745 PackageInstalledInfo res) { 11746 // Remember this for later, in case we need to rollback this install 11747 String pkgName = pkg.packageName; 11748 11749 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11750 final boolean dataDirExists = Environment 11751 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11752 synchronized(mPackages) { 11753 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11754 // A package with the same name is already installed, though 11755 // it has been renamed to an older name. The package we 11756 // are trying to install should be installed as an update to 11757 // the existing one, but that has not been requested, so bail. 11758 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11759 + " without first uninstalling package running as " 11760 + mSettings.mRenamedPackages.get(pkgName)); 11761 return; 11762 } 11763 if (mPackages.containsKey(pkgName)) { 11764 // Don't allow installation over an existing package with the same name. 11765 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11766 + " without first uninstalling."); 11767 return; 11768 } 11769 } 11770 11771 try { 11772 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11773 System.currentTimeMillis(), user); 11774 11775 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11776 // delete the partially installed application. the data directory will have to be 11777 // restored if it was already existing 11778 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11779 // remove package from internal structures. Note that we want deletePackageX to 11780 // delete the package data and cache directories that it created in 11781 // scanPackageLocked, unless those directories existed before we even tried to 11782 // install. 11783 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11784 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11785 res.removedInfo, true); 11786 } 11787 11788 } catch (PackageManagerException e) { 11789 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11790 } 11791 } 11792 11793 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11794 // Can't rotate keys during boot or if sharedUser. 11795 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11796 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11797 return false; 11798 } 11799 // app is using upgradeKeySets; make sure all are valid 11800 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11801 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11802 for (int i = 0; i < upgradeKeySets.length; i++) { 11803 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11804 Slog.wtf(TAG, "Package " 11805 + (oldPs.name != null ? oldPs.name : "<null>") 11806 + " contains upgrade-key-set reference to unknown key-set: " 11807 + upgradeKeySets[i] 11808 + " reverting to signatures check."); 11809 return false; 11810 } 11811 } 11812 return true; 11813 } 11814 11815 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11816 // Upgrade keysets are being used. Determine if new package has a superset of the 11817 // required keys. 11818 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11819 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11820 for (int i = 0; i < upgradeKeySets.length; i++) { 11821 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11822 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11823 return true; 11824 } 11825 } 11826 return false; 11827 } 11828 11829 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11830 UserHandle user, String installerPackageName, String volumeUuid, 11831 PackageInstalledInfo res) { 11832 final PackageParser.Package oldPackage; 11833 final String pkgName = pkg.packageName; 11834 final int[] allUsers; 11835 final boolean[] perUserInstalled; 11836 11837 // First find the old package info and check signatures 11838 synchronized(mPackages) { 11839 oldPackage = mPackages.get(pkgName); 11840 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11841 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11842 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11843 if(!checkUpgradeKeySetLP(ps, pkg)) { 11844 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11845 "New package not signed by keys specified by upgrade-keysets: " 11846 + pkgName); 11847 return; 11848 } 11849 } else { 11850 // default to original signature matching 11851 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11852 != PackageManager.SIGNATURE_MATCH) { 11853 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11854 "New package has a different signature: " + pkgName); 11855 return; 11856 } 11857 } 11858 11859 // In case of rollback, remember per-user/profile install state 11860 allUsers = sUserManager.getUserIds(); 11861 perUserInstalled = new boolean[allUsers.length]; 11862 for (int i = 0; i < allUsers.length; i++) { 11863 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11864 } 11865 } 11866 11867 boolean sysPkg = (isSystemApp(oldPackage)); 11868 if (sysPkg) { 11869 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11870 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11871 } else { 11872 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11873 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11874 } 11875 } 11876 11877 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11878 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11879 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11880 String volumeUuid, PackageInstalledInfo res) { 11881 String pkgName = deletedPackage.packageName; 11882 boolean deletedPkg = true; 11883 boolean updatedSettings = false; 11884 11885 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11886 + deletedPackage); 11887 long origUpdateTime; 11888 if (pkg.mExtras != null) { 11889 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11890 } else { 11891 origUpdateTime = 0; 11892 } 11893 11894 // First delete the existing package while retaining the data directory 11895 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11896 res.removedInfo, true)) { 11897 // If the existing package wasn't successfully deleted 11898 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11899 deletedPkg = false; 11900 } else { 11901 // Successfully deleted the old package; proceed with replace. 11902 11903 // If deleted package lived in a container, give users a chance to 11904 // relinquish resources before killing. 11905 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11906 if (DEBUG_INSTALL) { 11907 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11908 } 11909 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11910 final ArrayList<String> pkgList = new ArrayList<String>(1); 11911 pkgList.add(deletedPackage.applicationInfo.packageName); 11912 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11913 } 11914 11915 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11916 try { 11917 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11918 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11919 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11920 perUserInstalled, res, user); 11921 updatedSettings = true; 11922 } catch (PackageManagerException e) { 11923 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11924 } 11925 } 11926 11927 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11928 // remove package from internal structures. Note that we want deletePackageX to 11929 // delete the package data and cache directories that it created in 11930 // scanPackageLocked, unless those directories existed before we even tried to 11931 // install. 11932 if(updatedSettings) { 11933 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11934 deletePackageLI( 11935 pkgName, null, true, allUsers, perUserInstalled, 11936 PackageManager.DELETE_KEEP_DATA, 11937 res.removedInfo, true); 11938 } 11939 // Since we failed to install the new package we need to restore the old 11940 // package that we deleted. 11941 if (deletedPkg) { 11942 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11943 File restoreFile = new File(deletedPackage.codePath); 11944 // Parse old package 11945 boolean oldExternal = isExternal(deletedPackage); 11946 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11947 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11948 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11949 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11950 try { 11951 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11952 } catch (PackageManagerException e) { 11953 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11954 + e.getMessage()); 11955 return; 11956 } 11957 // Restore of old package succeeded. Update permissions. 11958 // writer 11959 synchronized (mPackages) { 11960 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11961 UPDATE_PERMISSIONS_ALL); 11962 // can downgrade to reader 11963 mSettings.writeLPr(); 11964 } 11965 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11966 } 11967 } 11968 } 11969 11970 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11971 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11972 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11973 String volumeUuid, PackageInstalledInfo res) { 11974 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11975 + ", old=" + deletedPackage); 11976 boolean disabledSystem = false; 11977 boolean updatedSettings = false; 11978 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11979 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11980 != 0) { 11981 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11982 } 11983 String packageName = deletedPackage.packageName; 11984 if (packageName == null) { 11985 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11986 "Attempt to delete null packageName."); 11987 return; 11988 } 11989 PackageParser.Package oldPkg; 11990 PackageSetting oldPkgSetting; 11991 // reader 11992 synchronized (mPackages) { 11993 oldPkg = mPackages.get(packageName); 11994 oldPkgSetting = mSettings.mPackages.get(packageName); 11995 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 11996 (oldPkgSetting == null)) { 11997 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11998 "Couldn't find package:" + packageName + " information"); 11999 return; 12000 } 12001 } 12002 12003 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12004 12005 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12006 res.removedInfo.removedPackage = packageName; 12007 // Remove existing system package 12008 removePackageLI(oldPkgSetting, true); 12009 // writer 12010 synchronized (mPackages) { 12011 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12012 if (!disabledSystem && deletedPackage != null) { 12013 // We didn't need to disable the .apk as a current system package, 12014 // which means we are replacing another update that is already 12015 // installed. We need to make sure to delete the older one's .apk. 12016 res.removedInfo.args = createInstallArgsForExisting(0, 12017 deletedPackage.applicationInfo.getCodePath(), 12018 deletedPackage.applicationInfo.getResourcePath(), 12019 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12020 } else { 12021 res.removedInfo.args = null; 12022 } 12023 } 12024 12025 // Successfully disabled the old package. Now proceed with re-installation 12026 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12027 12028 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12029 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12030 12031 PackageParser.Package newPackage = null; 12032 try { 12033 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 12034 if (newPackage.mExtras != null) { 12035 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12036 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12037 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12038 12039 // is the update attempting to change shared user? that isn't going to work... 12040 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12041 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12042 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12043 + " to " + newPkgSetting.sharedUser); 12044 updatedSettings = true; 12045 } 12046 } 12047 12048 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12049 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12050 perUserInstalled, res, user); 12051 updatedSettings = true; 12052 } 12053 12054 } catch (PackageManagerException e) { 12055 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12056 } 12057 12058 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12059 // Re installation failed. Restore old information 12060 // Remove new pkg information 12061 if (newPackage != null) { 12062 removeInstalledPackageLI(newPackage, true); 12063 } 12064 // Add back the old system package 12065 try { 12066 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12067 } catch (PackageManagerException e) { 12068 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12069 } 12070 // Restore the old system information in Settings 12071 synchronized (mPackages) { 12072 if (disabledSystem) { 12073 mSettings.enableSystemPackageLPw(packageName); 12074 } 12075 if (updatedSettings) { 12076 mSettings.setInstallerPackageName(packageName, 12077 oldPkgSetting.installerPackageName); 12078 } 12079 mSettings.writeLPr(); 12080 } 12081 } 12082 } 12083 12084 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12085 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12086 UserHandle user) { 12087 String pkgName = newPackage.packageName; 12088 synchronized (mPackages) { 12089 //write settings. the installStatus will be incomplete at this stage. 12090 //note that the new package setting would have already been 12091 //added to mPackages. It hasn't been persisted yet. 12092 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12093 mSettings.writeLPr(); 12094 } 12095 12096 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12097 12098 synchronized (mPackages) { 12099 updatePermissionsLPw(newPackage.packageName, newPackage, 12100 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12101 ? UPDATE_PERMISSIONS_ALL : 0)); 12102 // For system-bundled packages, we assume that installing an upgraded version 12103 // of the package implies that the user actually wants to run that new code, 12104 // so we enable the package. 12105 PackageSetting ps = mSettings.mPackages.get(pkgName); 12106 if (ps != null) { 12107 if (isSystemApp(newPackage)) { 12108 // NB: implicit assumption that system package upgrades apply to all users 12109 if (DEBUG_INSTALL) { 12110 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12111 } 12112 if (res.origUsers != null) { 12113 for (int userHandle : res.origUsers) { 12114 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12115 userHandle, installerPackageName); 12116 } 12117 } 12118 // Also convey the prior install/uninstall state 12119 if (allUsers != null && perUserInstalled != null) { 12120 for (int i = 0; i < allUsers.length; i++) { 12121 if (DEBUG_INSTALL) { 12122 Slog.d(TAG, " user " + allUsers[i] 12123 + " => " + perUserInstalled[i]); 12124 } 12125 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12126 } 12127 // these install state changes will be persisted in the 12128 // upcoming call to mSettings.writeLPr(). 12129 } 12130 } 12131 // It's implied that when a user requests installation, they want the app to be 12132 // installed and enabled. 12133 int userId = user.getIdentifier(); 12134 if (userId != UserHandle.USER_ALL) { 12135 ps.setInstalled(true, userId); 12136 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12137 } 12138 } 12139 res.name = pkgName; 12140 res.uid = newPackage.applicationInfo.uid; 12141 res.pkg = newPackage; 12142 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12143 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12144 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12145 //to update install status 12146 mSettings.writeLPr(); 12147 } 12148 } 12149 12150 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12151 final int installFlags = args.installFlags; 12152 final String installerPackageName = args.installerPackageName; 12153 final String volumeUuid = args.volumeUuid; 12154 final File tmpPackageFile = new File(args.getCodePath()); 12155 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12156 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12157 || (args.volumeUuid != null)); 12158 boolean replace = false; 12159 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12160 if (args.move != null) { 12161 // moving a complete application; perfom an initial scan on the new install location 12162 scanFlags |= SCAN_INITIAL; 12163 } 12164 // Result object to be returned 12165 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12166 12167 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12168 // Retrieve PackageSettings and parse package 12169 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12170 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12171 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12172 PackageParser pp = new PackageParser(); 12173 pp.setSeparateProcesses(mSeparateProcesses); 12174 pp.setDisplayMetrics(mMetrics); 12175 12176 final PackageParser.Package pkg; 12177 try { 12178 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12179 } catch (PackageParserException e) { 12180 res.setError("Failed parse during installPackageLI", e); 12181 return; 12182 } 12183 12184 // Mark that we have an install time CPU ABI override. 12185 pkg.cpuAbiOverride = args.abiOverride; 12186 12187 String pkgName = res.name = pkg.packageName; 12188 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12189 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12190 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12191 return; 12192 } 12193 } 12194 12195 try { 12196 pp.collectCertificates(pkg, parseFlags); 12197 pp.collectManifestDigest(pkg); 12198 } catch (PackageParserException e) { 12199 res.setError("Failed collect during installPackageLI", e); 12200 return; 12201 } 12202 12203 /* If the installer passed in a manifest digest, compare it now. */ 12204 if (args.manifestDigest != null) { 12205 if (DEBUG_INSTALL) { 12206 final String parsedManifest = pkg.manifestDigest == null ? "null" 12207 : pkg.manifestDigest.toString(); 12208 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12209 + parsedManifest); 12210 } 12211 12212 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12213 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12214 return; 12215 } 12216 } else if (DEBUG_INSTALL) { 12217 final String parsedManifest = pkg.manifestDigest == null 12218 ? "null" : pkg.manifestDigest.toString(); 12219 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12220 } 12221 12222 // Get rid of all references to package scan path via parser. 12223 pp = null; 12224 String oldCodePath = null; 12225 boolean systemApp = false; 12226 synchronized (mPackages) { 12227 // Check if installing already existing package 12228 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12229 String oldName = mSettings.mRenamedPackages.get(pkgName); 12230 if (pkg.mOriginalPackages != null 12231 && pkg.mOriginalPackages.contains(oldName) 12232 && mPackages.containsKey(oldName)) { 12233 // This package is derived from an original package, 12234 // and this device has been updating from that original 12235 // name. We must continue using the original name, so 12236 // rename the new package here. 12237 pkg.setPackageName(oldName); 12238 pkgName = pkg.packageName; 12239 replace = true; 12240 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12241 + oldName + " pkgName=" + pkgName); 12242 } else if (mPackages.containsKey(pkgName)) { 12243 // This package, under its official name, already exists 12244 // on the device; we should replace it. 12245 replace = true; 12246 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12247 } 12248 12249 // Prevent apps opting out from runtime permissions 12250 if (replace) { 12251 PackageParser.Package oldPackage = mPackages.get(pkgName); 12252 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12253 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12254 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12255 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12256 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12257 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12258 + " doesn't support runtime permissions but the old" 12259 + " target SDK " + oldTargetSdk + " does."); 12260 return; 12261 } 12262 } 12263 } 12264 12265 PackageSetting ps = mSettings.mPackages.get(pkgName); 12266 if (ps != null) { 12267 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12268 12269 // Quick sanity check that we're signed correctly if updating; 12270 // we'll check this again later when scanning, but we want to 12271 // bail early here before tripping over redefined permissions. 12272 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12273 if (!checkUpgradeKeySetLP(ps, pkg)) { 12274 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12275 + pkg.packageName + " upgrade keys do not match the " 12276 + "previously installed version"); 12277 return; 12278 } 12279 } else { 12280 try { 12281 verifySignaturesLP(ps, pkg); 12282 } catch (PackageManagerException e) { 12283 res.setError(e.error, e.getMessage()); 12284 return; 12285 } 12286 } 12287 12288 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12289 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12290 systemApp = (ps.pkg.applicationInfo.flags & 12291 ApplicationInfo.FLAG_SYSTEM) != 0; 12292 } 12293 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12294 } 12295 12296 // Check whether the newly-scanned package wants to define an already-defined perm 12297 int N = pkg.permissions.size(); 12298 for (int i = N-1; i >= 0; i--) { 12299 PackageParser.Permission perm = pkg.permissions.get(i); 12300 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12301 if (bp != null) { 12302 // If the defining package is signed with our cert, it's okay. This 12303 // also includes the "updating the same package" case, of course. 12304 // "updating same package" could also involve key-rotation. 12305 final boolean sigsOk; 12306 if (bp.sourcePackage.equals(pkg.packageName) 12307 && (bp.packageSetting instanceof PackageSetting) 12308 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12309 scanFlags))) { 12310 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12311 } else { 12312 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12313 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12314 } 12315 if (!sigsOk) { 12316 // If the owning package is the system itself, we log but allow 12317 // install to proceed; we fail the install on all other permission 12318 // redefinitions. 12319 if (!bp.sourcePackage.equals("android")) { 12320 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12321 + pkg.packageName + " attempting to redeclare permission " 12322 + perm.info.name + " already owned by " + bp.sourcePackage); 12323 res.origPermission = perm.info.name; 12324 res.origPackage = bp.sourcePackage; 12325 return; 12326 } else { 12327 Slog.w(TAG, "Package " + pkg.packageName 12328 + " attempting to redeclare system permission " 12329 + perm.info.name + "; ignoring new declaration"); 12330 pkg.permissions.remove(i); 12331 } 12332 } 12333 } 12334 } 12335 12336 } 12337 12338 if (systemApp && onExternal) { 12339 // Disable updates to system apps on sdcard 12340 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12341 "Cannot install updates to system apps on sdcard"); 12342 return; 12343 } 12344 12345 if (args.move != null) { 12346 // We did an in-place move, so dex is ready to roll 12347 scanFlags |= SCAN_NO_DEX; 12348 scanFlags |= SCAN_MOVE; 12349 12350 synchronized (mPackages) { 12351 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12352 if (ps == null) { 12353 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12354 "Missing settings for moved package " + pkgName); 12355 } 12356 12357 // We moved the entire application as-is, so bring over the 12358 // previously derived ABI information. 12359 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12360 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12361 } 12362 12363 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12364 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12365 scanFlags |= SCAN_NO_DEX; 12366 12367 try { 12368 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12369 true /* extract libs */); 12370 } catch (PackageManagerException pme) { 12371 Slog.e(TAG, "Error deriving application ABI", pme); 12372 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12373 return; 12374 } 12375 12376 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12377 int result = mPackageDexOptimizer 12378 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12379 false /* defer */, false /* inclDependencies */); 12380 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12381 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12382 return; 12383 } 12384 } 12385 12386 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12387 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12388 return; 12389 } 12390 12391 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12392 12393 if (replace) { 12394 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12395 installerPackageName, volumeUuid, res); 12396 } else { 12397 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12398 args.user, installerPackageName, volumeUuid, res); 12399 } 12400 synchronized (mPackages) { 12401 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12402 if (ps != null) { 12403 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12404 } 12405 } 12406 } 12407 12408 private void startIntentFilterVerifications(int userId, boolean replacing, 12409 PackageParser.Package pkg) { 12410 if (mIntentFilterVerifierComponent == null) { 12411 Slog.w(TAG, "No IntentFilter verification will not be done as " 12412 + "there is no IntentFilterVerifier available!"); 12413 return; 12414 } 12415 12416 final int verifierUid = getPackageUid( 12417 mIntentFilterVerifierComponent.getPackageName(), 12418 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12419 12420 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12421 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12422 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12423 mHandler.sendMessage(msg); 12424 } 12425 12426 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12427 PackageParser.Package pkg) { 12428 int size = pkg.activities.size(); 12429 if (size == 0) { 12430 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12431 "No activity, so no need to verify any IntentFilter!"); 12432 return; 12433 } 12434 12435 final boolean hasDomainURLs = hasDomainURLs(pkg); 12436 if (!hasDomainURLs) { 12437 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12438 "No domain URLs, so no need to verify any IntentFilter!"); 12439 return; 12440 } 12441 12442 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12443 + " if any IntentFilter from the " + size 12444 + " Activities needs verification ..."); 12445 12446 int count = 0; 12447 final String packageName = pkg.packageName; 12448 12449 synchronized (mPackages) { 12450 // If this is a new install and we see that we've already run verification for this 12451 // package, we have nothing to do: it means the state was restored from backup. 12452 if (!replacing) { 12453 IntentFilterVerificationInfo ivi = 12454 mSettings.getIntentFilterVerificationLPr(packageName); 12455 if (ivi != null) { 12456 if (DEBUG_DOMAIN_VERIFICATION) { 12457 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12458 + ivi.getStatusString()); 12459 } 12460 return; 12461 } 12462 } 12463 12464 // If any filters need to be verified, then all need to be. 12465 boolean needToVerify = false; 12466 for (PackageParser.Activity a : pkg.activities) { 12467 for (ActivityIntentInfo filter : a.intents) { 12468 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12469 if (DEBUG_DOMAIN_VERIFICATION) { 12470 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12471 } 12472 needToVerify = true; 12473 break; 12474 } 12475 } 12476 } 12477 12478 if (needToVerify) { 12479 final int verificationId = mIntentFilterVerificationToken++; 12480 for (PackageParser.Activity a : pkg.activities) { 12481 for (ActivityIntentInfo filter : a.intents) { 12482 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12483 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12484 "Verification needed for IntentFilter:" + filter.toString()); 12485 mIntentFilterVerifier.addOneIntentFilterVerification( 12486 verifierUid, userId, verificationId, filter, packageName); 12487 count++; 12488 } 12489 } 12490 } 12491 } 12492 } 12493 12494 if (count > 0) { 12495 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12496 + " IntentFilter verification" + (count > 1 ? "s" : "") 12497 + " for userId:" + userId); 12498 mIntentFilterVerifier.startVerifications(userId); 12499 } else { 12500 if (DEBUG_DOMAIN_VERIFICATION) { 12501 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12502 } 12503 } 12504 } 12505 12506 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12507 final ComponentName cn = filter.activity.getComponentName(); 12508 final String packageName = cn.getPackageName(); 12509 12510 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12511 packageName); 12512 if (ivi == null) { 12513 return true; 12514 } 12515 int status = ivi.getStatus(); 12516 switch (status) { 12517 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12518 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12519 return true; 12520 12521 default: 12522 // Nothing to do 12523 return false; 12524 } 12525 } 12526 12527 private static boolean isMultiArch(PackageSetting ps) { 12528 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12529 } 12530 12531 private static boolean isMultiArch(ApplicationInfo info) { 12532 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12533 } 12534 12535 private static boolean isExternal(PackageParser.Package pkg) { 12536 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12537 } 12538 12539 private static boolean isExternal(PackageSetting ps) { 12540 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12541 } 12542 12543 private static boolean isExternal(ApplicationInfo info) { 12544 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12545 } 12546 12547 private static boolean isSystemApp(PackageParser.Package pkg) { 12548 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12549 } 12550 12551 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12552 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12553 } 12554 12555 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12556 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12557 } 12558 12559 private static boolean isSystemApp(PackageSetting ps) { 12560 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12561 } 12562 12563 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12564 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12565 } 12566 12567 private int packageFlagsToInstallFlags(PackageSetting ps) { 12568 int installFlags = 0; 12569 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12570 // This existing package was an external ASEC install when we have 12571 // the external flag without a UUID 12572 installFlags |= PackageManager.INSTALL_EXTERNAL; 12573 } 12574 if (ps.isForwardLocked()) { 12575 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12576 } 12577 return installFlags; 12578 } 12579 12580 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12581 if (isExternal(pkg)) { 12582 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12583 return mSettings.getExternalVersion(); 12584 } else { 12585 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12586 } 12587 } else { 12588 return mSettings.getInternalVersion(); 12589 } 12590 } 12591 12592 private void deleteTempPackageFiles() { 12593 final FilenameFilter filter = new FilenameFilter() { 12594 public boolean accept(File dir, String name) { 12595 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12596 } 12597 }; 12598 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12599 file.delete(); 12600 } 12601 } 12602 12603 @Override 12604 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12605 int flags) { 12606 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12607 flags); 12608 } 12609 12610 @Override 12611 public void deletePackage(final String packageName, 12612 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12613 mContext.enforceCallingOrSelfPermission( 12614 android.Manifest.permission.DELETE_PACKAGES, null); 12615 Preconditions.checkNotNull(packageName); 12616 Preconditions.checkNotNull(observer); 12617 final int uid = Binder.getCallingUid(); 12618 if (UserHandle.getUserId(uid) != userId) { 12619 mContext.enforceCallingPermission( 12620 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12621 "deletePackage for user " + userId); 12622 } 12623 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12624 try { 12625 observer.onPackageDeleted(packageName, 12626 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12627 } catch (RemoteException re) { 12628 } 12629 return; 12630 } 12631 12632 boolean uninstallBlocked = false; 12633 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12634 int[] users = sUserManager.getUserIds(); 12635 for (int i = 0; i < users.length; ++i) { 12636 if (getBlockUninstallForUser(packageName, users[i])) { 12637 uninstallBlocked = true; 12638 break; 12639 } 12640 } 12641 } else { 12642 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12643 } 12644 if (uninstallBlocked) { 12645 try { 12646 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12647 null); 12648 } catch (RemoteException re) { 12649 } 12650 return; 12651 } 12652 12653 if (DEBUG_REMOVE) { 12654 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12655 } 12656 // Queue up an async operation since the package deletion may take a little while. 12657 mHandler.post(new Runnable() { 12658 public void run() { 12659 mHandler.removeCallbacks(this); 12660 final int returnCode = deletePackageX(packageName, userId, flags); 12661 if (observer != null) { 12662 try { 12663 observer.onPackageDeleted(packageName, returnCode, null); 12664 } catch (RemoteException e) { 12665 Log.i(TAG, "Observer no longer exists."); 12666 } //end catch 12667 } //end if 12668 } //end run 12669 }); 12670 } 12671 12672 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12673 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12674 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12675 try { 12676 if (dpm != null) { 12677 if (dpm.isDeviceOwner(packageName)) { 12678 return true; 12679 } 12680 int[] users; 12681 if (userId == UserHandle.USER_ALL) { 12682 users = sUserManager.getUserIds(); 12683 } else { 12684 users = new int[]{userId}; 12685 } 12686 for (int i = 0; i < users.length; ++i) { 12687 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12688 return true; 12689 } 12690 } 12691 } 12692 } catch (RemoteException e) { 12693 } 12694 return false; 12695 } 12696 12697 /** 12698 * This method is an internal method that could be get invoked either 12699 * to delete an installed package or to clean up a failed installation. 12700 * After deleting an installed package, a broadcast is sent to notify any 12701 * listeners that the package has been installed. For cleaning up a failed 12702 * installation, the broadcast is not necessary since the package's 12703 * installation wouldn't have sent the initial broadcast either 12704 * The key steps in deleting a package are 12705 * deleting the package information in internal structures like mPackages, 12706 * deleting the packages base directories through installd 12707 * updating mSettings to reflect current status 12708 * persisting settings for later use 12709 * sending a broadcast if necessary 12710 */ 12711 private int deletePackageX(String packageName, int userId, int flags) { 12712 final PackageRemovedInfo info = new PackageRemovedInfo(); 12713 final boolean res; 12714 12715 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12716 ? UserHandle.ALL : new UserHandle(userId); 12717 12718 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12719 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12720 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12721 } 12722 12723 boolean removedForAllUsers = false; 12724 boolean systemUpdate = false; 12725 12726 // for the uninstall-updates case and restricted profiles, remember the per- 12727 // userhandle installed state 12728 int[] allUsers; 12729 boolean[] perUserInstalled; 12730 synchronized (mPackages) { 12731 PackageSetting ps = mSettings.mPackages.get(packageName); 12732 allUsers = sUserManager.getUserIds(); 12733 perUserInstalled = new boolean[allUsers.length]; 12734 for (int i = 0; i < allUsers.length; i++) { 12735 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12736 } 12737 } 12738 12739 synchronized (mInstallLock) { 12740 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12741 res = deletePackageLI(packageName, removeForUser, 12742 true, allUsers, perUserInstalled, 12743 flags | REMOVE_CHATTY, info, true); 12744 systemUpdate = info.isRemovedPackageSystemUpdate; 12745 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12746 removedForAllUsers = true; 12747 } 12748 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12749 + " removedForAllUsers=" + removedForAllUsers); 12750 } 12751 12752 if (res) { 12753 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12754 12755 // If the removed package was a system update, the old system package 12756 // was re-enabled; we need to broadcast this information 12757 if (systemUpdate) { 12758 Bundle extras = new Bundle(1); 12759 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12760 ? info.removedAppId : info.uid); 12761 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12762 12763 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12764 extras, null, null, null); 12765 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12766 extras, null, null, null); 12767 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12768 null, packageName, null, null); 12769 } 12770 } 12771 // Force a gc here. 12772 Runtime.getRuntime().gc(); 12773 // Delete the resources here after sending the broadcast to let 12774 // other processes clean up before deleting resources. 12775 if (info.args != null) { 12776 synchronized (mInstallLock) { 12777 info.args.doPostDeleteLI(true); 12778 } 12779 } 12780 12781 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12782 } 12783 12784 class PackageRemovedInfo { 12785 String removedPackage; 12786 int uid = -1; 12787 int removedAppId = -1; 12788 int[] removedUsers = null; 12789 boolean isRemovedPackageSystemUpdate = false; 12790 // Clean up resources deleted packages. 12791 InstallArgs args = null; 12792 12793 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12794 Bundle extras = new Bundle(1); 12795 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12796 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12797 if (replacing) { 12798 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12799 } 12800 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12801 if (removedPackage != null) { 12802 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12803 extras, null, null, removedUsers); 12804 if (fullRemove && !replacing) { 12805 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12806 extras, null, null, removedUsers); 12807 } 12808 } 12809 if (removedAppId >= 0) { 12810 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12811 removedUsers); 12812 } 12813 } 12814 } 12815 12816 /* 12817 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12818 * flag is not set, the data directory is removed as well. 12819 * make sure this flag is set for partially installed apps. If not its meaningless to 12820 * delete a partially installed application. 12821 */ 12822 private void removePackageDataLI(PackageSetting ps, 12823 int[] allUserHandles, boolean[] perUserInstalled, 12824 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12825 String packageName = ps.name; 12826 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12827 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12828 // Retrieve object to delete permissions for shared user later on 12829 final PackageSetting deletedPs; 12830 // reader 12831 synchronized (mPackages) { 12832 deletedPs = mSettings.mPackages.get(packageName); 12833 if (outInfo != null) { 12834 outInfo.removedPackage = packageName; 12835 outInfo.removedUsers = deletedPs != null 12836 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12837 : null; 12838 } 12839 } 12840 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12841 removeDataDirsLI(ps.volumeUuid, packageName); 12842 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12843 } 12844 // writer 12845 synchronized (mPackages) { 12846 if (deletedPs != null) { 12847 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12848 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12849 clearDefaultBrowserIfNeeded(packageName); 12850 if (outInfo != null) { 12851 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12852 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12853 } 12854 updatePermissionsLPw(deletedPs.name, null, 0); 12855 if (deletedPs.sharedUser != null) { 12856 // Remove permissions associated with package. Since runtime 12857 // permissions are per user we have to kill the removed package 12858 // or packages running under the shared user of the removed 12859 // package if revoking the permissions requested only by the removed 12860 // package is successful and this causes a change in gids. 12861 for (int userId : UserManagerService.getInstance().getUserIds()) { 12862 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12863 userId); 12864 if (userIdToKill == UserHandle.USER_ALL 12865 || userIdToKill >= UserHandle.USER_OWNER) { 12866 // If gids changed for this user, kill all affected packages. 12867 mHandler.post(new Runnable() { 12868 @Override 12869 public void run() { 12870 // This has to happen with no lock held. 12871 killApplication(deletedPs.name, deletedPs.appId, 12872 KILL_APP_REASON_GIDS_CHANGED); 12873 } 12874 }); 12875 break; 12876 } 12877 } 12878 } 12879 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12880 } 12881 // make sure to preserve per-user disabled state if this removal was just 12882 // a downgrade of a system app to the factory package 12883 if (allUserHandles != null && perUserInstalled != null) { 12884 if (DEBUG_REMOVE) { 12885 Slog.d(TAG, "Propagating install state across downgrade"); 12886 } 12887 for (int i = 0; i < allUserHandles.length; i++) { 12888 if (DEBUG_REMOVE) { 12889 Slog.d(TAG, " user " + allUserHandles[i] 12890 + " => " + perUserInstalled[i]); 12891 } 12892 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12893 } 12894 } 12895 } 12896 // can downgrade to reader 12897 if (writeSettings) { 12898 // Save settings now 12899 mSettings.writeLPr(); 12900 } 12901 } 12902 if (outInfo != null) { 12903 // A user ID was deleted here. Go through all users and remove it 12904 // from KeyStore. 12905 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12906 } 12907 } 12908 12909 static boolean locationIsPrivileged(File path) { 12910 try { 12911 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12912 .getCanonicalPath(); 12913 return path.getCanonicalPath().startsWith(privilegedAppDir); 12914 } catch (IOException e) { 12915 Slog.e(TAG, "Unable to access code path " + path); 12916 } 12917 return false; 12918 } 12919 12920 /* 12921 * Tries to delete system package. 12922 */ 12923 private boolean deleteSystemPackageLI(PackageSetting newPs, 12924 int[] allUserHandles, boolean[] perUserInstalled, 12925 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12926 final boolean applyUserRestrictions 12927 = (allUserHandles != null) && (perUserInstalled != null); 12928 PackageSetting disabledPs = null; 12929 // Confirm if the system package has been updated 12930 // An updated system app can be deleted. This will also have to restore 12931 // the system pkg from system partition 12932 // reader 12933 synchronized (mPackages) { 12934 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12935 } 12936 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12937 + " disabledPs=" + disabledPs); 12938 if (disabledPs == null) { 12939 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12940 return false; 12941 } else if (DEBUG_REMOVE) { 12942 Slog.d(TAG, "Deleting system pkg from data partition"); 12943 } 12944 if (DEBUG_REMOVE) { 12945 if (applyUserRestrictions) { 12946 Slog.d(TAG, "Remembering install states:"); 12947 for (int i = 0; i < allUserHandles.length; i++) { 12948 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12949 } 12950 } 12951 } 12952 // Delete the updated package 12953 outInfo.isRemovedPackageSystemUpdate = true; 12954 if (disabledPs.versionCode < newPs.versionCode) { 12955 // Delete data for downgrades 12956 flags &= ~PackageManager.DELETE_KEEP_DATA; 12957 } else { 12958 // Preserve data by setting flag 12959 flags |= PackageManager.DELETE_KEEP_DATA; 12960 } 12961 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 12962 allUserHandles, perUserInstalled, outInfo, writeSettings); 12963 if (!ret) { 12964 return false; 12965 } 12966 // writer 12967 synchronized (mPackages) { 12968 // Reinstate the old system package 12969 mSettings.enableSystemPackageLPw(newPs.name); 12970 // Remove any native libraries from the upgraded package. 12971 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 12972 } 12973 // Install the system package 12974 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 12975 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 12976 if (locationIsPrivileged(disabledPs.codePath)) { 12977 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12978 } 12979 12980 final PackageParser.Package newPkg; 12981 try { 12982 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 12983 } catch (PackageManagerException e) { 12984 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 12985 return false; 12986 } 12987 12988 // writer 12989 synchronized (mPackages) { 12990 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 12991 12992 // Propagate the permissions state as we do not want to drop on the floor 12993 // runtime permissions. The update permissions method below will take 12994 // care of removing obsolete permissions and grant install permissions. 12995 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 12996 updatePermissionsLPw(newPkg.packageName, newPkg, 12997 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 12998 12999 if (applyUserRestrictions) { 13000 if (DEBUG_REMOVE) { 13001 Slog.d(TAG, "Propagating install state across reinstall"); 13002 } 13003 for (int i = 0; i < allUserHandles.length; i++) { 13004 if (DEBUG_REMOVE) { 13005 Slog.d(TAG, " user " + allUserHandles[i] 13006 + " => " + perUserInstalled[i]); 13007 } 13008 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13009 13010 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13011 } 13012 // Regardless of writeSettings we need to ensure that this restriction 13013 // state propagation is persisted 13014 mSettings.writeAllUsersPackageRestrictionsLPr(); 13015 } 13016 // can downgrade to reader here 13017 if (writeSettings) { 13018 mSettings.writeLPr(); 13019 } 13020 } 13021 return true; 13022 } 13023 13024 private boolean deleteInstalledPackageLI(PackageSetting ps, 13025 boolean deleteCodeAndResources, int flags, 13026 int[] allUserHandles, boolean[] perUserInstalled, 13027 PackageRemovedInfo outInfo, boolean writeSettings) { 13028 if (outInfo != null) { 13029 outInfo.uid = ps.appId; 13030 } 13031 13032 // Delete package data from internal structures and also remove data if flag is set 13033 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13034 13035 // Delete application code and resources 13036 if (deleteCodeAndResources && (outInfo != null)) { 13037 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13038 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13039 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13040 } 13041 return true; 13042 } 13043 13044 @Override 13045 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13046 int userId) { 13047 mContext.enforceCallingOrSelfPermission( 13048 android.Manifest.permission.DELETE_PACKAGES, null); 13049 synchronized (mPackages) { 13050 PackageSetting ps = mSettings.mPackages.get(packageName); 13051 if (ps == null) { 13052 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13053 return false; 13054 } 13055 if (!ps.getInstalled(userId)) { 13056 // Can't block uninstall for an app that is not installed or enabled. 13057 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13058 return false; 13059 } 13060 ps.setBlockUninstall(blockUninstall, userId); 13061 mSettings.writePackageRestrictionsLPr(userId); 13062 } 13063 return true; 13064 } 13065 13066 @Override 13067 public boolean getBlockUninstallForUser(String packageName, int userId) { 13068 synchronized (mPackages) { 13069 PackageSetting ps = mSettings.mPackages.get(packageName); 13070 if (ps == null) { 13071 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13072 return false; 13073 } 13074 return ps.getBlockUninstall(userId); 13075 } 13076 } 13077 13078 /* 13079 * This method handles package deletion in general 13080 */ 13081 private boolean deletePackageLI(String packageName, UserHandle user, 13082 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13083 int flags, PackageRemovedInfo outInfo, 13084 boolean writeSettings) { 13085 if (packageName == null) { 13086 Slog.w(TAG, "Attempt to delete null packageName."); 13087 return false; 13088 } 13089 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13090 PackageSetting ps; 13091 boolean dataOnly = false; 13092 int removeUser = -1; 13093 int appId = -1; 13094 synchronized (mPackages) { 13095 ps = mSettings.mPackages.get(packageName); 13096 if (ps == null) { 13097 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13098 return false; 13099 } 13100 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13101 && user.getIdentifier() != UserHandle.USER_ALL) { 13102 // The caller is asking that the package only be deleted for a single 13103 // user. To do this, we just mark its uninstalled state and delete 13104 // its data. If this is a system app, we only allow this to happen if 13105 // they have set the special DELETE_SYSTEM_APP which requests different 13106 // semantics than normal for uninstalling system apps. 13107 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13108 final int userId = user.getIdentifier(); 13109 ps.setUserState(userId, 13110 COMPONENT_ENABLED_STATE_DEFAULT, 13111 false, //installed 13112 true, //stopped 13113 true, //notLaunched 13114 false, //hidden 13115 null, null, null, 13116 false, // blockUninstall 13117 ps.readUserState(userId).domainVerificationStatus, 0); 13118 if (!isSystemApp(ps)) { 13119 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13120 // Other user still have this package installed, so all 13121 // we need to do is clear this user's data and save that 13122 // it is uninstalled. 13123 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13124 removeUser = user.getIdentifier(); 13125 appId = ps.appId; 13126 scheduleWritePackageRestrictionsLocked(removeUser); 13127 } else { 13128 // We need to set it back to 'installed' so the uninstall 13129 // broadcasts will be sent correctly. 13130 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13131 ps.setInstalled(true, user.getIdentifier()); 13132 } 13133 } else { 13134 // This is a system app, so we assume that the 13135 // other users still have this package installed, so all 13136 // we need to do is clear this user's data and save that 13137 // it is uninstalled. 13138 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13139 removeUser = user.getIdentifier(); 13140 appId = ps.appId; 13141 scheduleWritePackageRestrictionsLocked(removeUser); 13142 } 13143 } 13144 } 13145 13146 if (removeUser >= 0) { 13147 // From above, we determined that we are deleting this only 13148 // for a single user. Continue the work here. 13149 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13150 if (outInfo != null) { 13151 outInfo.removedPackage = packageName; 13152 outInfo.removedAppId = appId; 13153 outInfo.removedUsers = new int[] {removeUser}; 13154 } 13155 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13156 removeKeystoreDataIfNeeded(removeUser, appId); 13157 schedulePackageCleaning(packageName, removeUser, false); 13158 synchronized (mPackages) { 13159 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13160 scheduleWritePackageRestrictionsLocked(removeUser); 13161 } 13162 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13163 } 13164 return true; 13165 } 13166 13167 if (dataOnly) { 13168 // Delete application data first 13169 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13170 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13171 return true; 13172 } 13173 13174 boolean ret = false; 13175 if (isSystemApp(ps)) { 13176 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13177 // When an updated system application is deleted we delete the existing resources as well and 13178 // fall back to existing code in system partition 13179 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13180 flags, outInfo, writeSettings); 13181 } else { 13182 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13183 // Kill application pre-emptively especially for apps on sd. 13184 killApplication(packageName, ps.appId, "uninstall pkg"); 13185 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13186 allUserHandles, perUserInstalled, 13187 outInfo, writeSettings); 13188 } 13189 13190 return ret; 13191 } 13192 13193 private final class ClearStorageConnection implements ServiceConnection { 13194 IMediaContainerService mContainerService; 13195 13196 @Override 13197 public void onServiceConnected(ComponentName name, IBinder service) { 13198 synchronized (this) { 13199 mContainerService = IMediaContainerService.Stub.asInterface(service); 13200 notifyAll(); 13201 } 13202 } 13203 13204 @Override 13205 public void onServiceDisconnected(ComponentName name) { 13206 } 13207 } 13208 13209 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13210 final boolean mounted; 13211 if (Environment.isExternalStorageEmulated()) { 13212 mounted = true; 13213 } else { 13214 final String status = Environment.getExternalStorageState(); 13215 13216 mounted = status.equals(Environment.MEDIA_MOUNTED) 13217 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13218 } 13219 13220 if (!mounted) { 13221 return; 13222 } 13223 13224 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13225 int[] users; 13226 if (userId == UserHandle.USER_ALL) { 13227 users = sUserManager.getUserIds(); 13228 } else { 13229 users = new int[] { userId }; 13230 } 13231 final ClearStorageConnection conn = new ClearStorageConnection(); 13232 if (mContext.bindServiceAsUser( 13233 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13234 try { 13235 for (int curUser : users) { 13236 long timeout = SystemClock.uptimeMillis() + 5000; 13237 synchronized (conn) { 13238 long now = SystemClock.uptimeMillis(); 13239 while (conn.mContainerService == null && now < timeout) { 13240 try { 13241 conn.wait(timeout - now); 13242 } catch (InterruptedException e) { 13243 } 13244 } 13245 } 13246 if (conn.mContainerService == null) { 13247 return; 13248 } 13249 13250 final UserEnvironment userEnv = new UserEnvironment(curUser); 13251 clearDirectory(conn.mContainerService, 13252 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13253 if (allData) { 13254 clearDirectory(conn.mContainerService, 13255 userEnv.buildExternalStorageAppDataDirs(packageName)); 13256 clearDirectory(conn.mContainerService, 13257 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13258 } 13259 } 13260 } finally { 13261 mContext.unbindService(conn); 13262 } 13263 } 13264 } 13265 13266 @Override 13267 public void clearApplicationUserData(final String packageName, 13268 final IPackageDataObserver observer, final int userId) { 13269 mContext.enforceCallingOrSelfPermission( 13270 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13271 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13272 // Queue up an async operation since the package deletion may take a little while. 13273 mHandler.post(new Runnable() { 13274 public void run() { 13275 mHandler.removeCallbacks(this); 13276 final boolean succeeded; 13277 synchronized (mInstallLock) { 13278 succeeded = clearApplicationUserDataLI(packageName, userId); 13279 } 13280 clearExternalStorageDataSync(packageName, userId, true); 13281 if (succeeded) { 13282 // invoke DeviceStorageMonitor's update method to clear any notifications 13283 DeviceStorageMonitorInternal 13284 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13285 if (dsm != null) { 13286 dsm.checkMemory(); 13287 } 13288 } 13289 if(observer != null) { 13290 try { 13291 observer.onRemoveCompleted(packageName, succeeded); 13292 } catch (RemoteException e) { 13293 Log.i(TAG, "Observer no longer exists."); 13294 } 13295 } //end if observer 13296 } //end run 13297 }); 13298 } 13299 13300 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13301 if (packageName == null) { 13302 Slog.w(TAG, "Attempt to delete null packageName."); 13303 return false; 13304 } 13305 13306 // Try finding details about the requested package 13307 PackageParser.Package pkg; 13308 synchronized (mPackages) { 13309 pkg = mPackages.get(packageName); 13310 if (pkg == null) { 13311 final PackageSetting ps = mSettings.mPackages.get(packageName); 13312 if (ps != null) { 13313 pkg = ps.pkg; 13314 } 13315 } 13316 13317 if (pkg == null) { 13318 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13319 return false; 13320 } 13321 13322 PackageSetting ps = (PackageSetting) pkg.mExtras; 13323 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13324 } 13325 13326 // Always delete data directories for package, even if we found no other 13327 // record of app. This helps users recover from UID mismatches without 13328 // resorting to a full data wipe. 13329 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13330 if (retCode < 0) { 13331 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13332 return false; 13333 } 13334 13335 final int appId = pkg.applicationInfo.uid; 13336 removeKeystoreDataIfNeeded(userId, appId); 13337 13338 // Create a native library symlink only if we have native libraries 13339 // and if the native libraries are 32 bit libraries. We do not provide 13340 // this symlink for 64 bit libraries. 13341 if (pkg.applicationInfo.primaryCpuAbi != null && 13342 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13343 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13344 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13345 nativeLibPath, userId) < 0) { 13346 Slog.w(TAG, "Failed linking native library dir"); 13347 return false; 13348 } 13349 } 13350 13351 return true; 13352 } 13353 13354 /** 13355 * Reverts user permission state changes (permissions and flags) in 13356 * all packages for a given user. 13357 * 13358 * @param userId The device user for which to do a reset. 13359 */ 13360 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13361 final int packageCount = mPackages.size(); 13362 for (int i = 0; i < packageCount; i++) { 13363 PackageParser.Package pkg = mPackages.valueAt(i); 13364 PackageSetting ps = (PackageSetting) pkg.mExtras; 13365 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13366 } 13367 } 13368 13369 /** 13370 * Reverts user permission state changes (permissions and flags). 13371 * 13372 * @param ps The package for which to reset. 13373 * @param userId The device user for which to do a reset. 13374 */ 13375 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13376 final PackageSetting ps, final int userId) { 13377 if (ps.pkg == null) { 13378 return; 13379 } 13380 13381 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13382 | FLAG_PERMISSION_USER_FIXED 13383 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13384 13385 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13386 | FLAG_PERMISSION_POLICY_FIXED; 13387 13388 boolean writeInstallPermissions = false; 13389 boolean writeRuntimePermissions = false; 13390 13391 final int permissionCount = ps.pkg.requestedPermissions.size(); 13392 for (int i = 0; i < permissionCount; i++) { 13393 String permission = ps.pkg.requestedPermissions.get(i); 13394 13395 BasePermission bp = mSettings.mPermissions.get(permission); 13396 if (bp == null) { 13397 continue; 13398 } 13399 13400 // If shared user we just reset the state to which only this app contributed. 13401 if (ps.sharedUser != null) { 13402 boolean used = false; 13403 final int packageCount = ps.sharedUser.packages.size(); 13404 for (int j = 0; j < packageCount; j++) { 13405 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13406 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13407 && pkg.pkg.requestedPermissions.contains(permission)) { 13408 used = true; 13409 break; 13410 } 13411 } 13412 if (used) { 13413 continue; 13414 } 13415 } 13416 13417 PermissionsState permissionsState = ps.getPermissionsState(); 13418 13419 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13420 13421 // Always clear the user settable flags. 13422 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13423 bp.name) != null; 13424 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13425 if (hasInstallState) { 13426 writeInstallPermissions = true; 13427 } else { 13428 writeRuntimePermissions = true; 13429 } 13430 } 13431 13432 // Below is only runtime permission handling. 13433 if (!bp.isRuntime()) { 13434 continue; 13435 } 13436 13437 // Never clobber system or policy. 13438 if ((oldFlags & policyOrSystemFlags) != 0) { 13439 continue; 13440 } 13441 13442 // If this permission was granted by default, make sure it is. 13443 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13444 if (permissionsState.grantRuntimePermission(bp, userId) 13445 != PERMISSION_OPERATION_FAILURE) { 13446 writeRuntimePermissions = true; 13447 } 13448 } else { 13449 // Otherwise, reset the permission. 13450 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13451 switch (revokeResult) { 13452 case PERMISSION_OPERATION_SUCCESS: { 13453 writeRuntimePermissions = true; 13454 } break; 13455 13456 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13457 writeRuntimePermissions = true; 13458 final int appId = ps.appId; 13459 mHandler.post(new Runnable() { 13460 @Override 13461 public void run() { 13462 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13463 } 13464 }); 13465 } break; 13466 } 13467 } 13468 } 13469 13470 // Synchronously write as we are taking permissions away. 13471 if (writeRuntimePermissions) { 13472 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13473 } 13474 13475 // Synchronously write as we are taking permissions away. 13476 if (writeInstallPermissions) { 13477 mSettings.writeLPr(); 13478 } 13479 } 13480 13481 /** 13482 * Remove entries from the keystore daemon. Will only remove it if the 13483 * {@code appId} is valid. 13484 */ 13485 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13486 if (appId < 0) { 13487 return; 13488 } 13489 13490 final KeyStore keyStore = KeyStore.getInstance(); 13491 if (keyStore != null) { 13492 if (userId == UserHandle.USER_ALL) { 13493 for (final int individual : sUserManager.getUserIds()) { 13494 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13495 } 13496 } else { 13497 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13498 } 13499 } else { 13500 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13501 } 13502 } 13503 13504 @Override 13505 public void deleteApplicationCacheFiles(final String packageName, 13506 final IPackageDataObserver observer) { 13507 mContext.enforceCallingOrSelfPermission( 13508 android.Manifest.permission.DELETE_CACHE_FILES, null); 13509 // Queue up an async operation since the package deletion may take a little while. 13510 final int userId = UserHandle.getCallingUserId(); 13511 mHandler.post(new Runnable() { 13512 public void run() { 13513 mHandler.removeCallbacks(this); 13514 final boolean succeded; 13515 synchronized (mInstallLock) { 13516 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13517 } 13518 clearExternalStorageDataSync(packageName, userId, false); 13519 if (observer != null) { 13520 try { 13521 observer.onRemoveCompleted(packageName, succeded); 13522 } catch (RemoteException e) { 13523 Log.i(TAG, "Observer no longer exists."); 13524 } 13525 } //end if observer 13526 } //end run 13527 }); 13528 } 13529 13530 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13531 if (packageName == null) { 13532 Slog.w(TAG, "Attempt to delete null packageName."); 13533 return false; 13534 } 13535 PackageParser.Package p; 13536 synchronized (mPackages) { 13537 p = mPackages.get(packageName); 13538 } 13539 if (p == null) { 13540 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13541 return false; 13542 } 13543 final ApplicationInfo applicationInfo = p.applicationInfo; 13544 if (applicationInfo == null) { 13545 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13546 return false; 13547 } 13548 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13549 if (retCode < 0) { 13550 Slog.w(TAG, "Couldn't remove cache files for package: " 13551 + packageName + " u" + userId); 13552 return false; 13553 } 13554 return true; 13555 } 13556 13557 @Override 13558 public void getPackageSizeInfo(final String packageName, int userHandle, 13559 final IPackageStatsObserver observer) { 13560 mContext.enforceCallingOrSelfPermission( 13561 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13562 if (packageName == null) { 13563 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13564 } 13565 13566 PackageStats stats = new PackageStats(packageName, userHandle); 13567 13568 /* 13569 * Queue up an async operation since the package measurement may take a 13570 * little while. 13571 */ 13572 Message msg = mHandler.obtainMessage(INIT_COPY); 13573 msg.obj = new MeasureParams(stats, observer); 13574 mHandler.sendMessage(msg); 13575 } 13576 13577 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13578 PackageStats pStats) { 13579 if (packageName == null) { 13580 Slog.w(TAG, "Attempt to get size of null packageName."); 13581 return false; 13582 } 13583 PackageParser.Package p; 13584 boolean dataOnly = false; 13585 String libDirRoot = null; 13586 String asecPath = null; 13587 PackageSetting ps = null; 13588 synchronized (mPackages) { 13589 p = mPackages.get(packageName); 13590 ps = mSettings.mPackages.get(packageName); 13591 if(p == null) { 13592 dataOnly = true; 13593 if((ps == null) || (ps.pkg == null)) { 13594 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13595 return false; 13596 } 13597 p = ps.pkg; 13598 } 13599 if (ps != null) { 13600 libDirRoot = ps.legacyNativeLibraryPathString; 13601 } 13602 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13603 final long token = Binder.clearCallingIdentity(); 13604 try { 13605 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13606 if (secureContainerId != null) { 13607 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13608 } 13609 } finally { 13610 Binder.restoreCallingIdentity(token); 13611 } 13612 } 13613 } 13614 String publicSrcDir = null; 13615 if(!dataOnly) { 13616 final ApplicationInfo applicationInfo = p.applicationInfo; 13617 if (applicationInfo == null) { 13618 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13619 return false; 13620 } 13621 if (p.isForwardLocked()) { 13622 publicSrcDir = applicationInfo.getBaseResourcePath(); 13623 } 13624 } 13625 // TODO: extend to measure size of split APKs 13626 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13627 // not just the first level. 13628 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13629 // just the primary. 13630 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13631 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath, 13632 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13633 if (res < 0) { 13634 return false; 13635 } 13636 13637 // Fix-up for forward-locked applications in ASEC containers. 13638 if (!isExternal(p)) { 13639 pStats.codeSize += pStats.externalCodeSize; 13640 pStats.externalCodeSize = 0L; 13641 } 13642 13643 return true; 13644 } 13645 13646 13647 @Override 13648 public void addPackageToPreferred(String packageName) { 13649 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13650 } 13651 13652 @Override 13653 public void removePackageFromPreferred(String packageName) { 13654 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13655 } 13656 13657 @Override 13658 public List<PackageInfo> getPreferredPackages(int flags) { 13659 return new ArrayList<PackageInfo>(); 13660 } 13661 13662 private int getUidTargetSdkVersionLockedLPr(int uid) { 13663 Object obj = mSettings.getUserIdLPr(uid); 13664 if (obj instanceof SharedUserSetting) { 13665 final SharedUserSetting sus = (SharedUserSetting) obj; 13666 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13667 final Iterator<PackageSetting> it = sus.packages.iterator(); 13668 while (it.hasNext()) { 13669 final PackageSetting ps = it.next(); 13670 if (ps.pkg != null) { 13671 int v = ps.pkg.applicationInfo.targetSdkVersion; 13672 if (v < vers) vers = v; 13673 } 13674 } 13675 return vers; 13676 } else if (obj instanceof PackageSetting) { 13677 final PackageSetting ps = (PackageSetting) obj; 13678 if (ps.pkg != null) { 13679 return ps.pkg.applicationInfo.targetSdkVersion; 13680 } 13681 } 13682 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13683 } 13684 13685 @Override 13686 public void addPreferredActivity(IntentFilter filter, int match, 13687 ComponentName[] set, ComponentName activity, int userId) { 13688 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13689 "Adding preferred"); 13690 } 13691 13692 private void addPreferredActivityInternal(IntentFilter filter, int match, 13693 ComponentName[] set, ComponentName activity, boolean always, int userId, 13694 String opname) { 13695 // writer 13696 int callingUid = Binder.getCallingUid(); 13697 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13698 if (filter.countActions() == 0) { 13699 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13700 return; 13701 } 13702 synchronized (mPackages) { 13703 if (mContext.checkCallingOrSelfPermission( 13704 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13705 != PackageManager.PERMISSION_GRANTED) { 13706 if (getUidTargetSdkVersionLockedLPr(callingUid) 13707 < Build.VERSION_CODES.FROYO) { 13708 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13709 + callingUid); 13710 return; 13711 } 13712 mContext.enforceCallingOrSelfPermission( 13713 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13714 } 13715 13716 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13717 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13718 + userId + ":"); 13719 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13720 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13721 scheduleWritePackageRestrictionsLocked(userId); 13722 } 13723 } 13724 13725 @Override 13726 public void replacePreferredActivity(IntentFilter filter, int match, 13727 ComponentName[] set, ComponentName activity, int userId) { 13728 if (filter.countActions() != 1) { 13729 throw new IllegalArgumentException( 13730 "replacePreferredActivity expects filter to have only 1 action."); 13731 } 13732 if (filter.countDataAuthorities() != 0 13733 || filter.countDataPaths() != 0 13734 || filter.countDataSchemes() > 1 13735 || filter.countDataTypes() != 0) { 13736 throw new IllegalArgumentException( 13737 "replacePreferredActivity expects filter to have no data authorities, " + 13738 "paths, or types; and at most one scheme."); 13739 } 13740 13741 final int callingUid = Binder.getCallingUid(); 13742 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13743 synchronized (mPackages) { 13744 if (mContext.checkCallingOrSelfPermission( 13745 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13746 != PackageManager.PERMISSION_GRANTED) { 13747 if (getUidTargetSdkVersionLockedLPr(callingUid) 13748 < Build.VERSION_CODES.FROYO) { 13749 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13750 + Binder.getCallingUid()); 13751 return; 13752 } 13753 mContext.enforceCallingOrSelfPermission( 13754 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13755 } 13756 13757 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13758 if (pir != null) { 13759 // Get all of the existing entries that exactly match this filter. 13760 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13761 if (existing != null && existing.size() == 1) { 13762 PreferredActivity cur = existing.get(0); 13763 if (DEBUG_PREFERRED) { 13764 Slog.i(TAG, "Checking replace of preferred:"); 13765 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13766 if (!cur.mPref.mAlways) { 13767 Slog.i(TAG, " -- CUR; not mAlways!"); 13768 } else { 13769 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13770 Slog.i(TAG, " -- CUR: mSet=" 13771 + Arrays.toString(cur.mPref.mSetComponents)); 13772 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13773 Slog.i(TAG, " -- NEW: mMatch=" 13774 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13775 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13776 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13777 } 13778 } 13779 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13780 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13781 && cur.mPref.sameSet(set)) { 13782 // Setting the preferred activity to what it happens to be already 13783 if (DEBUG_PREFERRED) { 13784 Slog.i(TAG, "Replacing with same preferred activity " 13785 + cur.mPref.mShortComponent + " for user " 13786 + userId + ":"); 13787 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13788 } 13789 return; 13790 } 13791 } 13792 13793 if (existing != null) { 13794 if (DEBUG_PREFERRED) { 13795 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13796 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13797 } 13798 for (int i = 0; i < existing.size(); i++) { 13799 PreferredActivity pa = existing.get(i); 13800 if (DEBUG_PREFERRED) { 13801 Slog.i(TAG, "Removing existing preferred activity " 13802 + pa.mPref.mComponent + ":"); 13803 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13804 } 13805 pir.removeFilter(pa); 13806 } 13807 } 13808 } 13809 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13810 "Replacing preferred"); 13811 } 13812 } 13813 13814 @Override 13815 public void clearPackagePreferredActivities(String packageName) { 13816 final int uid = Binder.getCallingUid(); 13817 // writer 13818 synchronized (mPackages) { 13819 PackageParser.Package pkg = mPackages.get(packageName); 13820 if (pkg == null || pkg.applicationInfo.uid != uid) { 13821 if (mContext.checkCallingOrSelfPermission( 13822 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13823 != PackageManager.PERMISSION_GRANTED) { 13824 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13825 < Build.VERSION_CODES.FROYO) { 13826 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13827 + Binder.getCallingUid()); 13828 return; 13829 } 13830 mContext.enforceCallingOrSelfPermission( 13831 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13832 } 13833 } 13834 13835 int user = UserHandle.getCallingUserId(); 13836 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13837 scheduleWritePackageRestrictionsLocked(user); 13838 } 13839 } 13840 } 13841 13842 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13843 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13844 ArrayList<PreferredActivity> removed = null; 13845 boolean changed = false; 13846 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13847 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13848 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13849 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13850 continue; 13851 } 13852 Iterator<PreferredActivity> it = pir.filterIterator(); 13853 while (it.hasNext()) { 13854 PreferredActivity pa = it.next(); 13855 // Mark entry for removal only if it matches the package name 13856 // and the entry is of type "always". 13857 if (packageName == null || 13858 (pa.mPref.mComponent.getPackageName().equals(packageName) 13859 && pa.mPref.mAlways)) { 13860 if (removed == null) { 13861 removed = new ArrayList<PreferredActivity>(); 13862 } 13863 removed.add(pa); 13864 } 13865 } 13866 if (removed != null) { 13867 for (int j=0; j<removed.size(); j++) { 13868 PreferredActivity pa = removed.get(j); 13869 pir.removeFilter(pa); 13870 } 13871 changed = true; 13872 } 13873 } 13874 return changed; 13875 } 13876 13877 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13878 private void clearIntentFilterVerificationsLPw(int userId) { 13879 final int packageCount = mPackages.size(); 13880 for (int i = 0; i < packageCount; i++) { 13881 PackageParser.Package pkg = mPackages.valueAt(i); 13882 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 13883 } 13884 } 13885 13886 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13887 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13888 if (userId == UserHandle.USER_ALL) { 13889 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13890 sUserManager.getUserIds())) { 13891 for (int oneUserId : sUserManager.getUserIds()) { 13892 scheduleWritePackageRestrictionsLocked(oneUserId); 13893 } 13894 } 13895 } else { 13896 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13897 scheduleWritePackageRestrictionsLocked(userId); 13898 } 13899 } 13900 } 13901 13902 void clearDefaultBrowserIfNeeded(String packageName) { 13903 for (int oneUserId : sUserManager.getUserIds()) { 13904 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13905 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13906 if (packageName.equals(defaultBrowserPackageName)) { 13907 setDefaultBrowserPackageName(null, oneUserId); 13908 } 13909 } 13910 } 13911 13912 @Override 13913 public void resetApplicationPreferences(int userId) { 13914 mContext.enforceCallingOrSelfPermission( 13915 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13916 // writer 13917 synchronized (mPackages) { 13918 final long identity = Binder.clearCallingIdentity(); 13919 try { 13920 clearPackagePreferredActivitiesLPw(null, userId); 13921 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13922 // TODO: We have to reset the default SMS and Phone. This requires 13923 // significant refactoring to keep all default apps in the package 13924 // manager (cleaner but more work) or have the services provide 13925 // callbacks to the package manager to request a default app reset. 13926 applyFactoryDefaultBrowserLPw(userId); 13927 clearIntentFilterVerificationsLPw(userId); 13928 primeDomainVerificationsLPw(userId); 13929 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 13930 scheduleWritePackageRestrictionsLocked(userId); 13931 } finally { 13932 Binder.restoreCallingIdentity(identity); 13933 } 13934 } 13935 } 13936 13937 @Override 13938 public int getPreferredActivities(List<IntentFilter> outFilters, 13939 List<ComponentName> outActivities, String packageName) { 13940 13941 int num = 0; 13942 final int userId = UserHandle.getCallingUserId(); 13943 // reader 13944 synchronized (mPackages) { 13945 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13946 if (pir != null) { 13947 final Iterator<PreferredActivity> it = pir.filterIterator(); 13948 while (it.hasNext()) { 13949 final PreferredActivity pa = it.next(); 13950 if (packageName == null 13951 || (pa.mPref.mComponent.getPackageName().equals(packageName) 13952 && pa.mPref.mAlways)) { 13953 if (outFilters != null) { 13954 outFilters.add(new IntentFilter(pa)); 13955 } 13956 if (outActivities != null) { 13957 outActivities.add(pa.mPref.mComponent); 13958 } 13959 } 13960 } 13961 } 13962 } 13963 13964 return num; 13965 } 13966 13967 @Override 13968 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 13969 int userId) { 13970 int callingUid = Binder.getCallingUid(); 13971 if (callingUid != Process.SYSTEM_UID) { 13972 throw new SecurityException( 13973 "addPersistentPreferredActivity can only be run by the system"); 13974 } 13975 if (filter.countActions() == 0) { 13976 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13977 return; 13978 } 13979 synchronized (mPackages) { 13980 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 13981 " :"); 13982 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13983 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 13984 new PersistentPreferredActivity(filter, activity)); 13985 scheduleWritePackageRestrictionsLocked(userId); 13986 } 13987 } 13988 13989 @Override 13990 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 13991 int callingUid = Binder.getCallingUid(); 13992 if (callingUid != Process.SYSTEM_UID) { 13993 throw new SecurityException( 13994 "clearPackagePersistentPreferredActivities can only be run by the system"); 13995 } 13996 ArrayList<PersistentPreferredActivity> removed = null; 13997 boolean changed = false; 13998 synchronized (mPackages) { 13999 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14000 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14001 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14002 .valueAt(i); 14003 if (userId != thisUserId) { 14004 continue; 14005 } 14006 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14007 while (it.hasNext()) { 14008 PersistentPreferredActivity ppa = it.next(); 14009 // Mark entry for removal only if it matches the package name. 14010 if (ppa.mComponent.getPackageName().equals(packageName)) { 14011 if (removed == null) { 14012 removed = new ArrayList<PersistentPreferredActivity>(); 14013 } 14014 removed.add(ppa); 14015 } 14016 } 14017 if (removed != null) { 14018 for (int j=0; j<removed.size(); j++) { 14019 PersistentPreferredActivity ppa = removed.get(j); 14020 ppir.removeFilter(ppa); 14021 } 14022 changed = true; 14023 } 14024 } 14025 14026 if (changed) { 14027 scheduleWritePackageRestrictionsLocked(userId); 14028 } 14029 } 14030 } 14031 14032 /** 14033 * Common machinery for picking apart a restored XML blob and passing 14034 * it to a caller-supplied functor to be applied to the running system. 14035 */ 14036 private void restoreFromXml(XmlPullParser parser, int userId, 14037 String expectedStartTag, BlobXmlRestorer functor) 14038 throws IOException, XmlPullParserException { 14039 int type; 14040 while ((type = parser.next()) != XmlPullParser.START_TAG 14041 && type != XmlPullParser.END_DOCUMENT) { 14042 } 14043 if (type != XmlPullParser.START_TAG) { 14044 // oops didn't find a start tag?! 14045 if (DEBUG_BACKUP) { 14046 Slog.e(TAG, "Didn't find start tag during restore"); 14047 } 14048 return; 14049 } 14050 14051 // this is supposed to be TAG_PREFERRED_BACKUP 14052 if (!expectedStartTag.equals(parser.getName())) { 14053 if (DEBUG_BACKUP) { 14054 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14055 } 14056 return; 14057 } 14058 14059 // skip interfering stuff, then we're aligned with the backing implementation 14060 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14061 functor.apply(parser, userId); 14062 } 14063 14064 private interface BlobXmlRestorer { 14065 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14066 } 14067 14068 /** 14069 * Non-Binder method, support for the backup/restore mechanism: write the 14070 * full set of preferred activities in its canonical XML format. Returns the 14071 * XML output as a byte array, or null if there is none. 14072 */ 14073 @Override 14074 public byte[] getPreferredActivityBackup(int userId) { 14075 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14076 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14077 } 14078 14079 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14080 try { 14081 final XmlSerializer serializer = new FastXmlSerializer(); 14082 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14083 serializer.startDocument(null, true); 14084 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14085 14086 synchronized (mPackages) { 14087 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14088 } 14089 14090 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14091 serializer.endDocument(); 14092 serializer.flush(); 14093 } catch (Exception e) { 14094 if (DEBUG_BACKUP) { 14095 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14096 } 14097 return null; 14098 } 14099 14100 return dataStream.toByteArray(); 14101 } 14102 14103 @Override 14104 public void restorePreferredActivities(byte[] backup, int userId) { 14105 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14106 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14107 } 14108 14109 try { 14110 final XmlPullParser parser = Xml.newPullParser(); 14111 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14112 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14113 new BlobXmlRestorer() { 14114 @Override 14115 public void apply(XmlPullParser parser, int userId) 14116 throws XmlPullParserException, IOException { 14117 synchronized (mPackages) { 14118 mSettings.readPreferredActivitiesLPw(parser, userId); 14119 } 14120 } 14121 } ); 14122 } catch (Exception e) { 14123 if (DEBUG_BACKUP) { 14124 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14125 } 14126 } 14127 } 14128 14129 /** 14130 * Non-Binder method, support for the backup/restore mechanism: write the 14131 * default browser (etc) settings in its canonical XML format. Returns the default 14132 * browser XML representation as a byte array, or null if there is none. 14133 */ 14134 @Override 14135 public byte[] getDefaultAppsBackup(int userId) { 14136 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14137 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14138 } 14139 14140 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14141 try { 14142 final XmlSerializer serializer = new FastXmlSerializer(); 14143 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14144 serializer.startDocument(null, true); 14145 serializer.startTag(null, TAG_DEFAULT_APPS); 14146 14147 synchronized (mPackages) { 14148 mSettings.writeDefaultAppsLPr(serializer, userId); 14149 } 14150 14151 serializer.endTag(null, TAG_DEFAULT_APPS); 14152 serializer.endDocument(); 14153 serializer.flush(); 14154 } catch (Exception e) { 14155 if (DEBUG_BACKUP) { 14156 Slog.e(TAG, "Unable to write default apps for backup", e); 14157 } 14158 return null; 14159 } 14160 14161 return dataStream.toByteArray(); 14162 } 14163 14164 @Override 14165 public void restoreDefaultApps(byte[] backup, int userId) { 14166 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14167 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14168 } 14169 14170 try { 14171 final XmlPullParser parser = Xml.newPullParser(); 14172 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14173 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14174 new BlobXmlRestorer() { 14175 @Override 14176 public void apply(XmlPullParser parser, int userId) 14177 throws XmlPullParserException, IOException { 14178 synchronized (mPackages) { 14179 mSettings.readDefaultAppsLPw(parser, userId); 14180 } 14181 } 14182 } ); 14183 } catch (Exception e) { 14184 if (DEBUG_BACKUP) { 14185 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14186 } 14187 } 14188 } 14189 14190 @Override 14191 public byte[] getIntentFilterVerificationBackup(int userId) { 14192 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14193 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14194 } 14195 14196 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14197 try { 14198 final XmlSerializer serializer = new FastXmlSerializer(); 14199 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14200 serializer.startDocument(null, true); 14201 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14202 14203 synchronized (mPackages) { 14204 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14205 } 14206 14207 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14208 serializer.endDocument(); 14209 serializer.flush(); 14210 } catch (Exception e) { 14211 if (DEBUG_BACKUP) { 14212 Slog.e(TAG, "Unable to write default apps for backup", e); 14213 } 14214 return null; 14215 } 14216 14217 return dataStream.toByteArray(); 14218 } 14219 14220 @Override 14221 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14222 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14223 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14224 } 14225 14226 try { 14227 final XmlPullParser parser = Xml.newPullParser(); 14228 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14229 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14230 new BlobXmlRestorer() { 14231 @Override 14232 public void apply(XmlPullParser parser, int userId) 14233 throws XmlPullParserException, IOException { 14234 synchronized (mPackages) { 14235 mSettings.readAllDomainVerificationsLPr(parser, userId); 14236 mSettings.writeLPr(); 14237 } 14238 } 14239 } ); 14240 } catch (Exception e) { 14241 if (DEBUG_BACKUP) { 14242 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14243 } 14244 } 14245 } 14246 14247 @Override 14248 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14249 int sourceUserId, int targetUserId, int flags) { 14250 mContext.enforceCallingOrSelfPermission( 14251 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14252 int callingUid = Binder.getCallingUid(); 14253 enforceOwnerRights(ownerPackage, callingUid); 14254 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14255 if (intentFilter.countActions() == 0) { 14256 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14257 return; 14258 } 14259 synchronized (mPackages) { 14260 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14261 ownerPackage, targetUserId, flags); 14262 CrossProfileIntentResolver resolver = 14263 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14264 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14265 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14266 if (existing != null) { 14267 int size = existing.size(); 14268 for (int i = 0; i < size; i++) { 14269 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14270 return; 14271 } 14272 } 14273 } 14274 resolver.addFilter(newFilter); 14275 scheduleWritePackageRestrictionsLocked(sourceUserId); 14276 } 14277 } 14278 14279 @Override 14280 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14281 mContext.enforceCallingOrSelfPermission( 14282 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14283 int callingUid = Binder.getCallingUid(); 14284 enforceOwnerRights(ownerPackage, callingUid); 14285 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14286 synchronized (mPackages) { 14287 CrossProfileIntentResolver resolver = 14288 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14289 ArraySet<CrossProfileIntentFilter> set = 14290 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14291 for (CrossProfileIntentFilter filter : set) { 14292 if (filter.getOwnerPackage().equals(ownerPackage)) { 14293 resolver.removeFilter(filter); 14294 } 14295 } 14296 scheduleWritePackageRestrictionsLocked(sourceUserId); 14297 } 14298 } 14299 14300 // Enforcing that callingUid is owning pkg on userId 14301 private void enforceOwnerRights(String pkg, int callingUid) { 14302 // The system owns everything. 14303 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14304 return; 14305 } 14306 int callingUserId = UserHandle.getUserId(callingUid); 14307 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14308 if (pi == null) { 14309 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14310 + callingUserId); 14311 } 14312 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14313 throw new SecurityException("Calling uid " + callingUid 14314 + " does not own package " + pkg); 14315 } 14316 } 14317 14318 @Override 14319 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14320 Intent intent = new Intent(Intent.ACTION_MAIN); 14321 intent.addCategory(Intent.CATEGORY_HOME); 14322 14323 final int callingUserId = UserHandle.getCallingUserId(); 14324 List<ResolveInfo> list = queryIntentActivities(intent, null, 14325 PackageManager.GET_META_DATA, callingUserId); 14326 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14327 true, false, false, callingUserId); 14328 14329 allHomeCandidates.clear(); 14330 if (list != null) { 14331 for (ResolveInfo ri : list) { 14332 allHomeCandidates.add(ri); 14333 } 14334 } 14335 return (preferred == null || preferred.activityInfo == null) 14336 ? null 14337 : new ComponentName(preferred.activityInfo.packageName, 14338 preferred.activityInfo.name); 14339 } 14340 14341 @Override 14342 public void setApplicationEnabledSetting(String appPackageName, 14343 int newState, int flags, int userId, String callingPackage) { 14344 if (!sUserManager.exists(userId)) return; 14345 if (callingPackage == null) { 14346 callingPackage = Integer.toString(Binder.getCallingUid()); 14347 } 14348 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14349 } 14350 14351 @Override 14352 public void setComponentEnabledSetting(ComponentName componentName, 14353 int newState, int flags, int userId) { 14354 if (!sUserManager.exists(userId)) return; 14355 setEnabledSetting(componentName.getPackageName(), 14356 componentName.getClassName(), newState, flags, userId, null); 14357 } 14358 14359 private void setEnabledSetting(final String packageName, String className, int newState, 14360 final int flags, int userId, String callingPackage) { 14361 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14362 || newState == COMPONENT_ENABLED_STATE_ENABLED 14363 || newState == COMPONENT_ENABLED_STATE_DISABLED 14364 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14365 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14366 throw new IllegalArgumentException("Invalid new component state: " 14367 + newState); 14368 } 14369 PackageSetting pkgSetting; 14370 final int uid = Binder.getCallingUid(); 14371 final int permission = mContext.checkCallingOrSelfPermission( 14372 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14373 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14374 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14375 boolean sendNow = false; 14376 boolean isApp = (className == null); 14377 String componentName = isApp ? packageName : className; 14378 int packageUid = -1; 14379 ArrayList<String> components; 14380 14381 // writer 14382 synchronized (mPackages) { 14383 pkgSetting = mSettings.mPackages.get(packageName); 14384 if (pkgSetting == null) { 14385 if (className == null) { 14386 throw new IllegalArgumentException( 14387 "Unknown package: " + packageName); 14388 } 14389 throw new IllegalArgumentException( 14390 "Unknown component: " + packageName 14391 + "/" + className); 14392 } 14393 // Allow root and verify that userId is not being specified by a different user 14394 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14395 throw new SecurityException( 14396 "Permission Denial: attempt to change component state from pid=" 14397 + Binder.getCallingPid() 14398 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14399 } 14400 if (className == null) { 14401 // We're dealing with an application/package level state change 14402 if (pkgSetting.getEnabled(userId) == newState) { 14403 // Nothing to do 14404 return; 14405 } 14406 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14407 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14408 // Don't care about who enables an app. 14409 callingPackage = null; 14410 } 14411 pkgSetting.setEnabled(newState, userId, callingPackage); 14412 // pkgSetting.pkg.mSetEnabled = newState; 14413 } else { 14414 // We're dealing with a component level state change 14415 // First, verify that this is a valid class name. 14416 PackageParser.Package pkg = pkgSetting.pkg; 14417 if (pkg == null || !pkg.hasComponentClassName(className)) { 14418 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14419 throw new IllegalArgumentException("Component class " + className 14420 + " does not exist in " + packageName); 14421 } else { 14422 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14423 + className + " does not exist in " + packageName); 14424 } 14425 } 14426 switch (newState) { 14427 case COMPONENT_ENABLED_STATE_ENABLED: 14428 if (!pkgSetting.enableComponentLPw(className, userId)) { 14429 return; 14430 } 14431 break; 14432 case COMPONENT_ENABLED_STATE_DISABLED: 14433 if (!pkgSetting.disableComponentLPw(className, userId)) { 14434 return; 14435 } 14436 break; 14437 case COMPONENT_ENABLED_STATE_DEFAULT: 14438 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14439 return; 14440 } 14441 break; 14442 default: 14443 Slog.e(TAG, "Invalid new component state: " + newState); 14444 return; 14445 } 14446 } 14447 scheduleWritePackageRestrictionsLocked(userId); 14448 components = mPendingBroadcasts.get(userId, packageName); 14449 final boolean newPackage = components == null; 14450 if (newPackage) { 14451 components = new ArrayList<String>(); 14452 } 14453 if (!components.contains(componentName)) { 14454 components.add(componentName); 14455 } 14456 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14457 sendNow = true; 14458 // Purge entry from pending broadcast list if another one exists already 14459 // since we are sending one right away. 14460 mPendingBroadcasts.remove(userId, packageName); 14461 } else { 14462 if (newPackage) { 14463 mPendingBroadcasts.put(userId, packageName, components); 14464 } 14465 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14466 // Schedule a message 14467 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14468 } 14469 } 14470 } 14471 14472 long callingId = Binder.clearCallingIdentity(); 14473 try { 14474 if (sendNow) { 14475 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14476 sendPackageChangedBroadcast(packageName, 14477 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14478 } 14479 } finally { 14480 Binder.restoreCallingIdentity(callingId); 14481 } 14482 } 14483 14484 private void sendPackageChangedBroadcast(String packageName, 14485 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14486 if (DEBUG_INSTALL) 14487 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14488 + componentNames); 14489 Bundle extras = new Bundle(4); 14490 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14491 String nameList[] = new String[componentNames.size()]; 14492 componentNames.toArray(nameList); 14493 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14494 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14495 extras.putInt(Intent.EXTRA_UID, packageUid); 14496 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14497 new int[] {UserHandle.getUserId(packageUid)}); 14498 } 14499 14500 @Override 14501 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14502 if (!sUserManager.exists(userId)) return; 14503 final int uid = Binder.getCallingUid(); 14504 final int permission = mContext.checkCallingOrSelfPermission( 14505 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14506 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14507 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14508 // writer 14509 synchronized (mPackages) { 14510 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14511 allowedByPermission, uid, userId)) { 14512 scheduleWritePackageRestrictionsLocked(userId); 14513 } 14514 } 14515 } 14516 14517 @Override 14518 public String getInstallerPackageName(String packageName) { 14519 // reader 14520 synchronized (mPackages) { 14521 return mSettings.getInstallerPackageNameLPr(packageName); 14522 } 14523 } 14524 14525 @Override 14526 public int getApplicationEnabledSetting(String packageName, int userId) { 14527 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14528 int uid = Binder.getCallingUid(); 14529 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14530 // reader 14531 synchronized (mPackages) { 14532 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14533 } 14534 } 14535 14536 @Override 14537 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14538 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14539 int uid = Binder.getCallingUid(); 14540 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14541 // reader 14542 synchronized (mPackages) { 14543 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14544 } 14545 } 14546 14547 @Override 14548 public void enterSafeMode() { 14549 enforceSystemOrRoot("Only the system can request entering safe mode"); 14550 14551 if (!mSystemReady) { 14552 mSafeMode = true; 14553 } 14554 } 14555 14556 @Override 14557 public void systemReady() { 14558 mSystemReady = true; 14559 14560 // Read the compatibilty setting when the system is ready. 14561 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14562 mContext.getContentResolver(), 14563 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14564 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14565 if (DEBUG_SETTINGS) { 14566 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14567 } 14568 14569 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14570 14571 synchronized (mPackages) { 14572 // Verify that all of the preferred activity components actually 14573 // exist. It is possible for applications to be updated and at 14574 // that point remove a previously declared activity component that 14575 // had been set as a preferred activity. We try to clean this up 14576 // the next time we encounter that preferred activity, but it is 14577 // possible for the user flow to never be able to return to that 14578 // situation so here we do a sanity check to make sure we haven't 14579 // left any junk around. 14580 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14581 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14582 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14583 removed.clear(); 14584 for (PreferredActivity pa : pir.filterSet()) { 14585 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14586 removed.add(pa); 14587 } 14588 } 14589 if (removed.size() > 0) { 14590 for (int r=0; r<removed.size(); r++) { 14591 PreferredActivity pa = removed.get(r); 14592 Slog.w(TAG, "Removing dangling preferred activity: " 14593 + pa.mPref.mComponent); 14594 pir.removeFilter(pa); 14595 } 14596 mSettings.writePackageRestrictionsLPr( 14597 mSettings.mPreferredActivities.keyAt(i)); 14598 } 14599 } 14600 14601 for (int userId : UserManagerService.getInstance().getUserIds()) { 14602 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14603 grantPermissionsUserIds = ArrayUtils.appendInt( 14604 grantPermissionsUserIds, userId); 14605 } 14606 } 14607 } 14608 sUserManager.systemReady(); 14609 14610 // If we upgraded grant all default permissions before kicking off. 14611 for (int userId : grantPermissionsUserIds) { 14612 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14613 } 14614 14615 // Kick off any messages waiting for system ready 14616 if (mPostSystemReadyMessages != null) { 14617 for (Message msg : mPostSystemReadyMessages) { 14618 msg.sendToTarget(); 14619 } 14620 mPostSystemReadyMessages = null; 14621 } 14622 14623 // Watch for external volumes that come and go over time 14624 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14625 storage.registerListener(mStorageListener); 14626 14627 mInstallerService.systemReady(); 14628 mPackageDexOptimizer.systemReady(); 14629 14630 MountServiceInternal mountServiceInternal = LocalServices.getService( 14631 MountServiceInternal.class); 14632 mountServiceInternal.addExternalStoragePolicy( 14633 new MountServiceInternal.ExternalStorageMountPolicy() { 14634 @Override 14635 public int getMountMode(int uid, String packageName) { 14636 if (Process.isIsolated(uid)) { 14637 return Zygote.MOUNT_EXTERNAL_NONE; 14638 } 14639 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14640 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14641 } 14642 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14643 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14644 } 14645 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14646 return Zygote.MOUNT_EXTERNAL_READ; 14647 } 14648 return Zygote.MOUNT_EXTERNAL_WRITE; 14649 } 14650 14651 @Override 14652 public boolean hasExternalStorage(int uid, String packageName) { 14653 return true; 14654 } 14655 }); 14656 } 14657 14658 @Override 14659 public boolean isSafeMode() { 14660 return mSafeMode; 14661 } 14662 14663 @Override 14664 public boolean hasSystemUidErrors() { 14665 return mHasSystemUidErrors; 14666 } 14667 14668 static String arrayToString(int[] array) { 14669 StringBuffer buf = new StringBuffer(128); 14670 buf.append('['); 14671 if (array != null) { 14672 for (int i=0; i<array.length; i++) { 14673 if (i > 0) buf.append(", "); 14674 buf.append(array[i]); 14675 } 14676 } 14677 buf.append(']'); 14678 return buf.toString(); 14679 } 14680 14681 static class DumpState { 14682 public static final int DUMP_LIBS = 1 << 0; 14683 public static final int DUMP_FEATURES = 1 << 1; 14684 public static final int DUMP_RESOLVERS = 1 << 2; 14685 public static final int DUMP_PERMISSIONS = 1 << 3; 14686 public static final int DUMP_PACKAGES = 1 << 4; 14687 public static final int DUMP_SHARED_USERS = 1 << 5; 14688 public static final int DUMP_MESSAGES = 1 << 6; 14689 public static final int DUMP_PROVIDERS = 1 << 7; 14690 public static final int DUMP_VERIFIERS = 1 << 8; 14691 public static final int DUMP_PREFERRED = 1 << 9; 14692 public static final int DUMP_PREFERRED_XML = 1 << 10; 14693 public static final int DUMP_KEYSETS = 1 << 11; 14694 public static final int DUMP_VERSION = 1 << 12; 14695 public static final int DUMP_INSTALLS = 1 << 13; 14696 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14697 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14698 14699 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14700 14701 private int mTypes; 14702 14703 private int mOptions; 14704 14705 private boolean mTitlePrinted; 14706 14707 private SharedUserSetting mSharedUser; 14708 14709 public boolean isDumping(int type) { 14710 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14711 return true; 14712 } 14713 14714 return (mTypes & type) != 0; 14715 } 14716 14717 public void setDump(int type) { 14718 mTypes |= type; 14719 } 14720 14721 public boolean isOptionEnabled(int option) { 14722 return (mOptions & option) != 0; 14723 } 14724 14725 public void setOptionEnabled(int option) { 14726 mOptions |= option; 14727 } 14728 14729 public boolean onTitlePrinted() { 14730 final boolean printed = mTitlePrinted; 14731 mTitlePrinted = true; 14732 return printed; 14733 } 14734 14735 public boolean getTitlePrinted() { 14736 return mTitlePrinted; 14737 } 14738 14739 public void setTitlePrinted(boolean enabled) { 14740 mTitlePrinted = enabled; 14741 } 14742 14743 public SharedUserSetting getSharedUser() { 14744 return mSharedUser; 14745 } 14746 14747 public void setSharedUser(SharedUserSetting user) { 14748 mSharedUser = user; 14749 } 14750 } 14751 14752 @Override 14753 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14754 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14755 != PackageManager.PERMISSION_GRANTED) { 14756 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14757 + Binder.getCallingPid() 14758 + ", uid=" + Binder.getCallingUid() 14759 + " without permission " 14760 + android.Manifest.permission.DUMP); 14761 return; 14762 } 14763 14764 DumpState dumpState = new DumpState(); 14765 boolean fullPreferred = false; 14766 boolean checkin = false; 14767 14768 String packageName = null; 14769 ArraySet<String> permissionNames = null; 14770 14771 int opti = 0; 14772 while (opti < args.length) { 14773 String opt = args[opti]; 14774 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14775 break; 14776 } 14777 opti++; 14778 14779 if ("-a".equals(opt)) { 14780 // Right now we only know how to print all. 14781 } else if ("-h".equals(opt)) { 14782 pw.println("Package manager dump options:"); 14783 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14784 pw.println(" --checkin: dump for a checkin"); 14785 pw.println(" -f: print details of intent filters"); 14786 pw.println(" -h: print this help"); 14787 pw.println(" cmd may be one of:"); 14788 pw.println(" l[ibraries]: list known shared libraries"); 14789 pw.println(" f[ibraries]: list device features"); 14790 pw.println(" k[eysets]: print known keysets"); 14791 pw.println(" r[esolvers]: dump intent resolvers"); 14792 pw.println(" perm[issions]: dump permissions"); 14793 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14794 pw.println(" pref[erred]: print preferred package settings"); 14795 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14796 pw.println(" prov[iders]: dump content providers"); 14797 pw.println(" p[ackages]: dump installed packages"); 14798 pw.println(" s[hared-users]: dump shared user IDs"); 14799 pw.println(" m[essages]: print collected runtime messages"); 14800 pw.println(" v[erifiers]: print package verifier info"); 14801 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14802 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14803 pw.println(" version: print database version info"); 14804 pw.println(" write: write current settings now"); 14805 pw.println(" installs: details about install sessions"); 14806 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14807 pw.println(" <package.name>: info about given package"); 14808 return; 14809 } else if ("--checkin".equals(opt)) { 14810 checkin = true; 14811 } else if ("-f".equals(opt)) { 14812 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14813 } else { 14814 pw.println("Unknown argument: " + opt + "; use -h for help"); 14815 } 14816 } 14817 14818 // Is the caller requesting to dump a particular piece of data? 14819 if (opti < args.length) { 14820 String cmd = args[opti]; 14821 opti++; 14822 // Is this a package name? 14823 if ("android".equals(cmd) || cmd.contains(".")) { 14824 packageName = cmd; 14825 // When dumping a single package, we always dump all of its 14826 // filter information since the amount of data will be reasonable. 14827 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14828 } else if ("check-permission".equals(cmd)) { 14829 if (opti >= args.length) { 14830 pw.println("Error: check-permission missing permission argument"); 14831 return; 14832 } 14833 String perm = args[opti]; 14834 opti++; 14835 if (opti >= args.length) { 14836 pw.println("Error: check-permission missing package argument"); 14837 return; 14838 } 14839 String pkg = args[opti]; 14840 opti++; 14841 int user = UserHandle.getUserId(Binder.getCallingUid()); 14842 if (opti < args.length) { 14843 try { 14844 user = Integer.parseInt(args[opti]); 14845 } catch (NumberFormatException e) { 14846 pw.println("Error: check-permission user argument is not a number: " 14847 + args[opti]); 14848 return; 14849 } 14850 } 14851 pw.println(checkPermission(perm, pkg, user)); 14852 return; 14853 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14854 dumpState.setDump(DumpState.DUMP_LIBS); 14855 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14856 dumpState.setDump(DumpState.DUMP_FEATURES); 14857 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14858 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14859 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14860 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14861 } else if ("permission".equals(cmd)) { 14862 if (opti >= args.length) { 14863 pw.println("Error: permission requires permission name"); 14864 return; 14865 } 14866 permissionNames = new ArraySet<>(); 14867 while (opti < args.length) { 14868 permissionNames.add(args[opti]); 14869 opti++; 14870 } 14871 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14872 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14873 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14874 dumpState.setDump(DumpState.DUMP_PREFERRED); 14875 } else if ("preferred-xml".equals(cmd)) { 14876 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14877 if (opti < args.length && "--full".equals(args[opti])) { 14878 fullPreferred = true; 14879 opti++; 14880 } 14881 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14882 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14883 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14884 dumpState.setDump(DumpState.DUMP_PACKAGES); 14885 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14886 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14887 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14888 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14889 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14890 dumpState.setDump(DumpState.DUMP_MESSAGES); 14891 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14892 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14893 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14894 || "intent-filter-verifiers".equals(cmd)) { 14895 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14896 } else if ("version".equals(cmd)) { 14897 dumpState.setDump(DumpState.DUMP_VERSION); 14898 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14899 dumpState.setDump(DumpState.DUMP_KEYSETS); 14900 } else if ("installs".equals(cmd)) { 14901 dumpState.setDump(DumpState.DUMP_INSTALLS); 14902 } else if ("write".equals(cmd)) { 14903 synchronized (mPackages) { 14904 mSettings.writeLPr(); 14905 pw.println("Settings written."); 14906 return; 14907 } 14908 } 14909 } 14910 14911 if (checkin) { 14912 pw.println("vers,1"); 14913 } 14914 14915 // reader 14916 synchronized (mPackages) { 14917 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14918 if (!checkin) { 14919 if (dumpState.onTitlePrinted()) 14920 pw.println(); 14921 pw.println("Database versions:"); 14922 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 14923 } 14924 } 14925 14926 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14927 if (!checkin) { 14928 if (dumpState.onTitlePrinted()) 14929 pw.println(); 14930 pw.println("Verifiers:"); 14931 pw.print(" Required: "); 14932 pw.print(mRequiredVerifierPackage); 14933 pw.print(" (uid="); 14934 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14935 pw.println(")"); 14936 } else if (mRequiredVerifierPackage != null) { 14937 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 14938 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 14939 } 14940 } 14941 14942 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 14943 packageName == null) { 14944 if (mIntentFilterVerifierComponent != null) { 14945 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 14946 if (!checkin) { 14947 if (dumpState.onTitlePrinted()) 14948 pw.println(); 14949 pw.println("Intent Filter Verifier:"); 14950 pw.print(" Using: "); 14951 pw.print(verifierPackageName); 14952 pw.print(" (uid="); 14953 pw.print(getPackageUid(verifierPackageName, 0)); 14954 pw.println(")"); 14955 } else if (verifierPackageName != null) { 14956 pw.print("ifv,"); pw.print(verifierPackageName); 14957 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 14958 } 14959 } else { 14960 pw.println(); 14961 pw.println("No Intent Filter Verifier available!"); 14962 } 14963 } 14964 14965 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 14966 boolean printedHeader = false; 14967 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 14968 while (it.hasNext()) { 14969 String name = it.next(); 14970 SharedLibraryEntry ent = mSharedLibraries.get(name); 14971 if (!checkin) { 14972 if (!printedHeader) { 14973 if (dumpState.onTitlePrinted()) 14974 pw.println(); 14975 pw.println("Libraries:"); 14976 printedHeader = true; 14977 } 14978 pw.print(" "); 14979 } else { 14980 pw.print("lib,"); 14981 } 14982 pw.print(name); 14983 if (!checkin) { 14984 pw.print(" -> "); 14985 } 14986 if (ent.path != null) { 14987 if (!checkin) { 14988 pw.print("(jar) "); 14989 pw.print(ent.path); 14990 } else { 14991 pw.print(",jar,"); 14992 pw.print(ent.path); 14993 } 14994 } else { 14995 if (!checkin) { 14996 pw.print("(apk) "); 14997 pw.print(ent.apk); 14998 } else { 14999 pw.print(",apk,"); 15000 pw.print(ent.apk); 15001 } 15002 } 15003 pw.println(); 15004 } 15005 } 15006 15007 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15008 if (dumpState.onTitlePrinted()) 15009 pw.println(); 15010 if (!checkin) { 15011 pw.println("Features:"); 15012 } 15013 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15014 while (it.hasNext()) { 15015 String name = it.next(); 15016 if (!checkin) { 15017 pw.print(" "); 15018 } else { 15019 pw.print("feat,"); 15020 } 15021 pw.println(name); 15022 } 15023 } 15024 15025 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15026 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15027 : "Activity Resolver Table:", " ", packageName, 15028 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15029 dumpState.setTitlePrinted(true); 15030 } 15031 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15032 : "Receiver Resolver Table:", " ", packageName, 15033 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15034 dumpState.setTitlePrinted(true); 15035 } 15036 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15037 : "Service Resolver Table:", " ", packageName, 15038 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15039 dumpState.setTitlePrinted(true); 15040 } 15041 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15042 : "Provider Resolver Table:", " ", packageName, 15043 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15044 dumpState.setTitlePrinted(true); 15045 } 15046 } 15047 15048 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15049 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15050 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15051 int user = mSettings.mPreferredActivities.keyAt(i); 15052 if (pir.dump(pw, 15053 dumpState.getTitlePrinted() 15054 ? "\nPreferred Activities User " + user + ":" 15055 : "Preferred Activities User " + user + ":", " ", 15056 packageName, true, false)) { 15057 dumpState.setTitlePrinted(true); 15058 } 15059 } 15060 } 15061 15062 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15063 pw.flush(); 15064 FileOutputStream fout = new FileOutputStream(fd); 15065 BufferedOutputStream str = new BufferedOutputStream(fout); 15066 XmlSerializer serializer = new FastXmlSerializer(); 15067 try { 15068 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15069 serializer.startDocument(null, true); 15070 serializer.setFeature( 15071 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15072 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15073 serializer.endDocument(); 15074 serializer.flush(); 15075 } catch (IllegalArgumentException e) { 15076 pw.println("Failed writing: " + e); 15077 } catch (IllegalStateException e) { 15078 pw.println("Failed writing: " + e); 15079 } catch (IOException e) { 15080 pw.println("Failed writing: " + e); 15081 } 15082 } 15083 15084 if (!checkin 15085 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15086 && packageName == null) { 15087 pw.println(); 15088 int count = mSettings.mPackages.size(); 15089 if (count == 0) { 15090 pw.println("No applications!"); 15091 pw.println(); 15092 } else { 15093 final String prefix = " "; 15094 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15095 if (allPackageSettings.size() == 0) { 15096 pw.println("No domain preferred apps!"); 15097 pw.println(); 15098 } else { 15099 pw.println("App verification status:"); 15100 pw.println(); 15101 count = 0; 15102 for (PackageSetting ps : allPackageSettings) { 15103 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15104 if (ivi == null || ivi.getPackageName() == null) continue; 15105 pw.println(prefix + "Package: " + ivi.getPackageName()); 15106 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15107 pw.println(prefix + "Status: " + ivi.getStatusString()); 15108 pw.println(); 15109 count++; 15110 } 15111 if (count == 0) { 15112 pw.println(prefix + "No app verification established."); 15113 pw.println(); 15114 } 15115 for (int userId : sUserManager.getUserIds()) { 15116 pw.println("App linkages for user " + userId + ":"); 15117 pw.println(); 15118 count = 0; 15119 for (PackageSetting ps : allPackageSettings) { 15120 final long status = ps.getDomainVerificationStatusForUser(userId); 15121 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15122 continue; 15123 } 15124 pw.println(prefix + "Package: " + ps.name); 15125 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15126 String statusStr = IntentFilterVerificationInfo. 15127 getStatusStringFromValue(status); 15128 pw.println(prefix + "Status: " + statusStr); 15129 pw.println(); 15130 count++; 15131 } 15132 if (count == 0) { 15133 pw.println(prefix + "No configured app linkages."); 15134 pw.println(); 15135 } 15136 } 15137 } 15138 } 15139 } 15140 15141 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15142 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15143 if (packageName == null && permissionNames == null) { 15144 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15145 if (iperm == 0) { 15146 if (dumpState.onTitlePrinted()) 15147 pw.println(); 15148 pw.println("AppOp Permissions:"); 15149 } 15150 pw.print(" AppOp Permission "); 15151 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15152 pw.println(":"); 15153 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15154 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15155 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15156 } 15157 } 15158 } 15159 } 15160 15161 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15162 boolean printedSomething = false; 15163 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15164 if (packageName != null && !packageName.equals(p.info.packageName)) { 15165 continue; 15166 } 15167 if (!printedSomething) { 15168 if (dumpState.onTitlePrinted()) 15169 pw.println(); 15170 pw.println("Registered ContentProviders:"); 15171 printedSomething = true; 15172 } 15173 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15174 pw.print(" "); pw.println(p.toString()); 15175 } 15176 printedSomething = false; 15177 for (Map.Entry<String, PackageParser.Provider> entry : 15178 mProvidersByAuthority.entrySet()) { 15179 PackageParser.Provider p = entry.getValue(); 15180 if (packageName != null && !packageName.equals(p.info.packageName)) { 15181 continue; 15182 } 15183 if (!printedSomething) { 15184 if (dumpState.onTitlePrinted()) 15185 pw.println(); 15186 pw.println("ContentProvider Authorities:"); 15187 printedSomething = true; 15188 } 15189 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15190 pw.print(" "); pw.println(p.toString()); 15191 if (p.info != null && p.info.applicationInfo != null) { 15192 final String appInfo = p.info.applicationInfo.toString(); 15193 pw.print(" applicationInfo="); pw.println(appInfo); 15194 } 15195 } 15196 } 15197 15198 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15199 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15200 } 15201 15202 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15203 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15204 } 15205 15206 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15207 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15208 } 15209 15210 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15211 // XXX should handle packageName != null by dumping only install data that 15212 // the given package is involved with. 15213 if (dumpState.onTitlePrinted()) pw.println(); 15214 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15215 } 15216 15217 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15218 if (dumpState.onTitlePrinted()) pw.println(); 15219 mSettings.dumpReadMessagesLPr(pw, dumpState); 15220 15221 pw.println(); 15222 pw.println("Package warning messages:"); 15223 BufferedReader in = null; 15224 String line = null; 15225 try { 15226 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15227 while ((line = in.readLine()) != null) { 15228 if (line.contains("ignored: updated version")) continue; 15229 pw.println(line); 15230 } 15231 } catch (IOException ignored) { 15232 } finally { 15233 IoUtils.closeQuietly(in); 15234 } 15235 } 15236 15237 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15238 BufferedReader in = null; 15239 String line = null; 15240 try { 15241 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15242 while ((line = in.readLine()) != null) { 15243 if (line.contains("ignored: updated version")) continue; 15244 pw.print("msg,"); 15245 pw.println(line); 15246 } 15247 } catch (IOException ignored) { 15248 } finally { 15249 IoUtils.closeQuietly(in); 15250 } 15251 } 15252 } 15253 } 15254 15255 private String dumpDomainString(String packageName) { 15256 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15257 List<IntentFilter> filters = getAllIntentFilters(packageName); 15258 15259 ArraySet<String> result = new ArraySet<>(); 15260 if (iviList.size() > 0) { 15261 for (IntentFilterVerificationInfo ivi : iviList) { 15262 for (String host : ivi.getDomains()) { 15263 result.add(host); 15264 } 15265 } 15266 } 15267 if (filters != null && filters.size() > 0) { 15268 for (IntentFilter filter : filters) { 15269 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15270 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15271 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15272 result.addAll(filter.getHostsList()); 15273 } 15274 } 15275 } 15276 15277 StringBuilder sb = new StringBuilder(result.size() * 16); 15278 for (String domain : result) { 15279 if (sb.length() > 0) sb.append(" "); 15280 sb.append(domain); 15281 } 15282 return sb.toString(); 15283 } 15284 15285 // ------- apps on sdcard specific code ------- 15286 static final boolean DEBUG_SD_INSTALL = false; 15287 15288 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15289 15290 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15291 15292 private boolean mMediaMounted = false; 15293 15294 static String getEncryptKey() { 15295 try { 15296 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15297 SD_ENCRYPTION_KEYSTORE_NAME); 15298 if (sdEncKey == null) { 15299 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15300 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15301 if (sdEncKey == null) { 15302 Slog.e(TAG, "Failed to create encryption keys"); 15303 return null; 15304 } 15305 } 15306 return sdEncKey; 15307 } catch (NoSuchAlgorithmException nsae) { 15308 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15309 return null; 15310 } catch (IOException ioe) { 15311 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15312 return null; 15313 } 15314 } 15315 15316 /* 15317 * Update media status on PackageManager. 15318 */ 15319 @Override 15320 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15321 int callingUid = Binder.getCallingUid(); 15322 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15323 throw new SecurityException("Media status can only be updated by the system"); 15324 } 15325 // reader; this apparently protects mMediaMounted, but should probably 15326 // be a different lock in that case. 15327 synchronized (mPackages) { 15328 Log.i(TAG, "Updating external media status from " 15329 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15330 + (mediaStatus ? "mounted" : "unmounted")); 15331 if (DEBUG_SD_INSTALL) 15332 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15333 + ", mMediaMounted=" + mMediaMounted); 15334 if (mediaStatus == mMediaMounted) { 15335 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15336 : 0, -1); 15337 mHandler.sendMessage(msg); 15338 return; 15339 } 15340 mMediaMounted = mediaStatus; 15341 } 15342 // Queue up an async operation since the package installation may take a 15343 // little while. 15344 mHandler.post(new Runnable() { 15345 public void run() { 15346 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15347 } 15348 }); 15349 } 15350 15351 /** 15352 * Called by MountService when the initial ASECs to scan are available. 15353 * Should block until all the ASEC containers are finished being scanned. 15354 */ 15355 public void scanAvailableAsecs() { 15356 updateExternalMediaStatusInner(true, false, false); 15357 if (mShouldRestoreconData) { 15358 SELinuxMMAC.setRestoreconDone(); 15359 mShouldRestoreconData = false; 15360 } 15361 } 15362 15363 /* 15364 * Collect information of applications on external media, map them against 15365 * existing containers and update information based on current mount status. 15366 * Please note that we always have to report status if reportStatus has been 15367 * set to true especially when unloading packages. 15368 */ 15369 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15370 boolean externalStorage) { 15371 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15372 int[] uidArr = EmptyArray.INT; 15373 15374 final String[] list = PackageHelper.getSecureContainerList(); 15375 if (ArrayUtils.isEmpty(list)) { 15376 Log.i(TAG, "No secure containers found"); 15377 } else { 15378 // Process list of secure containers and categorize them 15379 // as active or stale based on their package internal state. 15380 15381 // reader 15382 synchronized (mPackages) { 15383 for (String cid : list) { 15384 // Leave stages untouched for now; installer service owns them 15385 if (PackageInstallerService.isStageName(cid)) continue; 15386 15387 if (DEBUG_SD_INSTALL) 15388 Log.i(TAG, "Processing container " + cid); 15389 String pkgName = getAsecPackageName(cid); 15390 if (pkgName == null) { 15391 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15392 continue; 15393 } 15394 if (DEBUG_SD_INSTALL) 15395 Log.i(TAG, "Looking for pkg : " + pkgName); 15396 15397 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15398 if (ps == null) { 15399 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15400 continue; 15401 } 15402 15403 /* 15404 * Skip packages that are not external if we're unmounting 15405 * external storage. 15406 */ 15407 if (externalStorage && !isMounted && !isExternal(ps)) { 15408 continue; 15409 } 15410 15411 final AsecInstallArgs args = new AsecInstallArgs(cid, 15412 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15413 // The package status is changed only if the code path 15414 // matches between settings and the container id. 15415 if (ps.codePathString != null 15416 && ps.codePathString.startsWith(args.getCodePath())) { 15417 if (DEBUG_SD_INSTALL) { 15418 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15419 + " at code path: " + ps.codePathString); 15420 } 15421 15422 // We do have a valid package installed on sdcard 15423 processCids.put(args, ps.codePathString); 15424 final int uid = ps.appId; 15425 if (uid != -1) { 15426 uidArr = ArrayUtils.appendInt(uidArr, uid); 15427 } 15428 } else { 15429 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15430 + ps.codePathString); 15431 } 15432 } 15433 } 15434 15435 Arrays.sort(uidArr); 15436 } 15437 15438 // Process packages with valid entries. 15439 if (isMounted) { 15440 if (DEBUG_SD_INSTALL) 15441 Log.i(TAG, "Loading packages"); 15442 loadMediaPackages(processCids, uidArr); 15443 startCleaningPackages(); 15444 mInstallerService.onSecureContainersAvailable(); 15445 } else { 15446 if (DEBUG_SD_INSTALL) 15447 Log.i(TAG, "Unloading packages"); 15448 unloadMediaPackages(processCids, uidArr, reportStatus); 15449 } 15450 } 15451 15452 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15453 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15454 final int size = infos.size(); 15455 final String[] packageNames = new String[size]; 15456 final int[] packageUids = new int[size]; 15457 for (int i = 0; i < size; i++) { 15458 final ApplicationInfo info = infos.get(i); 15459 packageNames[i] = info.packageName; 15460 packageUids[i] = info.uid; 15461 } 15462 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15463 finishedReceiver); 15464 } 15465 15466 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15467 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15468 sendResourcesChangedBroadcast(mediaStatus, replacing, 15469 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15470 } 15471 15472 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15473 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15474 int size = pkgList.length; 15475 if (size > 0) { 15476 // Send broadcasts here 15477 Bundle extras = new Bundle(); 15478 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15479 if (uidArr != null) { 15480 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15481 } 15482 if (replacing) { 15483 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15484 } 15485 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15486 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15487 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15488 } 15489 } 15490 15491 /* 15492 * Look at potentially valid container ids from processCids If package 15493 * information doesn't match the one on record or package scanning fails, 15494 * the cid is added to list of removeCids. We currently don't delete stale 15495 * containers. 15496 */ 15497 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15498 ArrayList<String> pkgList = new ArrayList<String>(); 15499 Set<AsecInstallArgs> keys = processCids.keySet(); 15500 15501 for (AsecInstallArgs args : keys) { 15502 String codePath = processCids.get(args); 15503 if (DEBUG_SD_INSTALL) 15504 Log.i(TAG, "Loading container : " + args.cid); 15505 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15506 try { 15507 // Make sure there are no container errors first. 15508 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15509 Slog.e(TAG, "Failed to mount cid : " + args.cid 15510 + " when installing from sdcard"); 15511 continue; 15512 } 15513 // Check code path here. 15514 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15515 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15516 + " does not match one in settings " + codePath); 15517 continue; 15518 } 15519 // Parse package 15520 int parseFlags = mDefParseFlags; 15521 if (args.isExternalAsec()) { 15522 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15523 } 15524 if (args.isFwdLocked()) { 15525 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15526 } 15527 15528 synchronized (mInstallLock) { 15529 PackageParser.Package pkg = null; 15530 try { 15531 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15532 } catch (PackageManagerException e) { 15533 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15534 } 15535 // Scan the package 15536 if (pkg != null) { 15537 /* 15538 * TODO why is the lock being held? doPostInstall is 15539 * called in other places without the lock. This needs 15540 * to be straightened out. 15541 */ 15542 // writer 15543 synchronized (mPackages) { 15544 retCode = PackageManager.INSTALL_SUCCEEDED; 15545 pkgList.add(pkg.packageName); 15546 // Post process args 15547 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15548 pkg.applicationInfo.uid); 15549 } 15550 } else { 15551 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15552 } 15553 } 15554 15555 } finally { 15556 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15557 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15558 } 15559 } 15560 } 15561 // writer 15562 synchronized (mPackages) { 15563 // If the platform SDK has changed since the last time we booted, 15564 // we need to re-grant app permission to catch any new ones that 15565 // appear. This is really a hack, and means that apps can in some 15566 // cases get permissions that the user didn't initially explicitly 15567 // allow... it would be nice to have some better way to handle 15568 // this situation. 15569 final VersionInfo ver = mSettings.getExternalVersion(); 15570 15571 int updateFlags = UPDATE_PERMISSIONS_ALL; 15572 if (ver.sdkVersion != mSdkVersion) { 15573 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15574 + mSdkVersion + "; regranting permissions for external"); 15575 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15576 } 15577 updatePermissionsLPw(null, null, updateFlags); 15578 15579 // Yay, everything is now upgraded 15580 ver.forceCurrent(); 15581 15582 // can downgrade to reader 15583 // Persist settings 15584 mSettings.writeLPr(); 15585 } 15586 // Send a broadcast to let everyone know we are done processing 15587 if (pkgList.size() > 0) { 15588 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15589 } 15590 } 15591 15592 /* 15593 * Utility method to unload a list of specified containers 15594 */ 15595 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15596 // Just unmount all valid containers. 15597 for (AsecInstallArgs arg : cidArgs) { 15598 synchronized (mInstallLock) { 15599 arg.doPostDeleteLI(false); 15600 } 15601 } 15602 } 15603 15604 /* 15605 * Unload packages mounted on external media. This involves deleting package 15606 * data from internal structures, sending broadcasts about diabled packages, 15607 * gc'ing to free up references, unmounting all secure containers 15608 * corresponding to packages on external media, and posting a 15609 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15610 * that we always have to post this message if status has been requested no 15611 * matter what. 15612 */ 15613 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15614 final boolean reportStatus) { 15615 if (DEBUG_SD_INSTALL) 15616 Log.i(TAG, "unloading media packages"); 15617 ArrayList<String> pkgList = new ArrayList<String>(); 15618 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15619 final Set<AsecInstallArgs> keys = processCids.keySet(); 15620 for (AsecInstallArgs args : keys) { 15621 String pkgName = args.getPackageName(); 15622 if (DEBUG_SD_INSTALL) 15623 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15624 // Delete package internally 15625 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15626 synchronized (mInstallLock) { 15627 boolean res = deletePackageLI(pkgName, null, false, null, null, 15628 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15629 if (res) { 15630 pkgList.add(pkgName); 15631 } else { 15632 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15633 failedList.add(args); 15634 } 15635 } 15636 } 15637 15638 // reader 15639 synchronized (mPackages) { 15640 // We didn't update the settings after removing each package; 15641 // write them now for all packages. 15642 mSettings.writeLPr(); 15643 } 15644 15645 // We have to absolutely send UPDATED_MEDIA_STATUS only 15646 // after confirming that all the receivers processed the ordered 15647 // broadcast when packages get disabled, force a gc to clean things up. 15648 // and unload all the containers. 15649 if (pkgList.size() > 0) { 15650 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15651 new IIntentReceiver.Stub() { 15652 public void performReceive(Intent intent, int resultCode, String data, 15653 Bundle extras, boolean ordered, boolean sticky, 15654 int sendingUser) throws RemoteException { 15655 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15656 reportStatus ? 1 : 0, 1, keys); 15657 mHandler.sendMessage(msg); 15658 } 15659 }); 15660 } else { 15661 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15662 keys); 15663 mHandler.sendMessage(msg); 15664 } 15665 } 15666 15667 private void loadPrivatePackages(VolumeInfo vol) { 15668 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15669 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15670 synchronized (mInstallLock) { 15671 synchronized (mPackages) { 15672 final VersionInfo ver = mSettings.findOrCreateVersion(vol.fsUuid); 15673 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15674 for (PackageSetting ps : packages) { 15675 final PackageParser.Package pkg; 15676 try { 15677 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15678 loaded.add(pkg.applicationInfo); 15679 } catch (PackageManagerException e) { 15680 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15681 } 15682 15683 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15684 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15685 } 15686 } 15687 15688 int updateFlags = UPDATE_PERMISSIONS_ALL; 15689 if (ver.sdkVersion != mSdkVersion) { 15690 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15691 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15692 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15693 } 15694 updatePermissionsLPw(null, null, updateFlags); 15695 15696 // Yay, everything is now upgraded 15697 ver.forceCurrent(); 15698 15699 mSettings.writeLPr(); 15700 } 15701 } 15702 15703 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15704 sendResourcesChangedBroadcast(true, false, loaded, null); 15705 } 15706 15707 private void unloadPrivatePackages(VolumeInfo vol) { 15708 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15709 synchronized (mInstallLock) { 15710 synchronized (mPackages) { 15711 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15712 for (PackageSetting ps : packages) { 15713 if (ps.pkg == null) continue; 15714 15715 final ApplicationInfo info = ps.pkg.applicationInfo; 15716 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15717 if (deletePackageLI(ps.name, null, false, null, null, 15718 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15719 unloaded.add(info); 15720 } else { 15721 Slog.w(TAG, "Failed to unload " + ps.codePath); 15722 } 15723 } 15724 15725 mSettings.writeLPr(); 15726 } 15727 } 15728 15729 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15730 sendResourcesChangedBroadcast(false, false, unloaded, null); 15731 } 15732 15733 /** 15734 * Examine all users present on given mounted volume, and destroy data 15735 * belonging to users that are no longer valid, or whose user ID has been 15736 * recycled. 15737 */ 15738 private void reconcileUsers(String volumeUuid) { 15739 final File[] files = FileUtils 15740 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15741 for (File file : files) { 15742 if (!file.isDirectory()) continue; 15743 15744 final int userId; 15745 final UserInfo info; 15746 try { 15747 userId = Integer.parseInt(file.getName()); 15748 info = sUserManager.getUserInfo(userId); 15749 } catch (NumberFormatException e) { 15750 Slog.w(TAG, "Invalid user directory " + file); 15751 continue; 15752 } 15753 15754 boolean destroyUser = false; 15755 if (info == null) { 15756 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15757 + " because no matching user was found"); 15758 destroyUser = true; 15759 } else { 15760 try { 15761 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15762 } catch (IOException e) { 15763 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15764 + " because we failed to enforce serial number: " + e); 15765 destroyUser = true; 15766 } 15767 } 15768 15769 if (destroyUser) { 15770 synchronized (mInstallLock) { 15771 mInstaller.removeUserDataDirs(volumeUuid, userId); 15772 } 15773 } 15774 } 15775 15776 final UserManager um = mContext.getSystemService(UserManager.class); 15777 for (UserInfo user : um.getUsers()) { 15778 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15779 if (userDir.exists()) continue; 15780 15781 try { 15782 UserManagerService.prepareUserDirectory(userDir); 15783 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15784 } catch (IOException e) { 15785 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15786 } 15787 } 15788 } 15789 15790 /** 15791 * Examine all apps present on given mounted volume, and destroy apps that 15792 * aren't expected, either due to uninstallation or reinstallation on 15793 * another volume. 15794 */ 15795 private void reconcileApps(String volumeUuid) { 15796 final File[] files = FileUtils 15797 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15798 for (File file : files) { 15799 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15800 && !PackageInstallerService.isStageName(file.getName()); 15801 if (!isPackage) { 15802 // Ignore entries which are not packages 15803 continue; 15804 } 15805 15806 boolean destroyApp = false; 15807 String packageName = null; 15808 try { 15809 final PackageLite pkg = PackageParser.parsePackageLite(file, 15810 PackageParser.PARSE_MUST_BE_APK); 15811 packageName = pkg.packageName; 15812 15813 synchronized (mPackages) { 15814 final PackageSetting ps = mSettings.mPackages.get(packageName); 15815 if (ps == null) { 15816 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15817 + volumeUuid + " because we found no install record"); 15818 destroyApp = true; 15819 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15820 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15821 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15822 destroyApp = true; 15823 } 15824 } 15825 15826 } catch (PackageParserException e) { 15827 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15828 destroyApp = true; 15829 } 15830 15831 if (destroyApp) { 15832 synchronized (mInstallLock) { 15833 if (packageName != null) { 15834 removeDataDirsLI(volumeUuid, packageName); 15835 } 15836 if (file.isDirectory()) { 15837 mInstaller.rmPackageDir(file.getAbsolutePath()); 15838 } else { 15839 file.delete(); 15840 } 15841 } 15842 } 15843 } 15844 } 15845 15846 private void unfreezePackage(String packageName) { 15847 synchronized (mPackages) { 15848 final PackageSetting ps = mSettings.mPackages.get(packageName); 15849 if (ps != null) { 15850 ps.frozen = false; 15851 } 15852 } 15853 } 15854 15855 @Override 15856 public int movePackage(final String packageName, final String volumeUuid) { 15857 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15858 15859 final int moveId = mNextMoveId.getAndIncrement(); 15860 try { 15861 movePackageInternal(packageName, volumeUuid, moveId); 15862 } catch (PackageManagerException e) { 15863 Slog.w(TAG, "Failed to move " + packageName, e); 15864 mMoveCallbacks.notifyStatusChanged(moveId, 15865 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15866 } 15867 return moveId; 15868 } 15869 15870 private void movePackageInternal(final String packageName, final String volumeUuid, 15871 final int moveId) throws PackageManagerException { 15872 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15873 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15874 final PackageManager pm = mContext.getPackageManager(); 15875 15876 final boolean currentAsec; 15877 final String currentVolumeUuid; 15878 final File codeFile; 15879 final String installerPackageName; 15880 final String packageAbiOverride; 15881 final int appId; 15882 final String seinfo; 15883 final String label; 15884 15885 // reader 15886 synchronized (mPackages) { 15887 final PackageParser.Package pkg = mPackages.get(packageName); 15888 final PackageSetting ps = mSettings.mPackages.get(packageName); 15889 if (pkg == null || ps == null) { 15890 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15891 } 15892 15893 if (pkg.applicationInfo.isSystemApp()) { 15894 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15895 "Cannot move system application"); 15896 } 15897 15898 if (pkg.applicationInfo.isExternalAsec()) { 15899 currentAsec = true; 15900 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 15901 } else if (pkg.applicationInfo.isForwardLocked()) { 15902 currentAsec = true; 15903 currentVolumeUuid = "forward_locked"; 15904 } else { 15905 currentAsec = false; 15906 currentVolumeUuid = ps.volumeUuid; 15907 15908 final File probe = new File(pkg.codePath); 15909 final File probeOat = new File(probe, "oat"); 15910 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15911 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15912 "Move only supported for modern cluster style installs"); 15913 } 15914 } 15915 15916 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 15917 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15918 "Package already moved to " + volumeUuid); 15919 } 15920 15921 if (ps.frozen) { 15922 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 15923 "Failed to move already frozen package"); 15924 } 15925 ps.frozen = true; 15926 15927 codeFile = new File(pkg.codePath); 15928 installerPackageName = ps.installerPackageName; 15929 packageAbiOverride = ps.cpuAbiOverrideString; 15930 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15931 seinfo = pkg.applicationInfo.seinfo; 15932 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 15933 } 15934 15935 // Now that we're guarded by frozen state, kill app during move 15936 final long token = Binder.clearCallingIdentity(); 15937 try { 15938 killApplication(packageName, appId, "move pkg"); 15939 } finally { 15940 Binder.restoreCallingIdentity(token); 15941 } 15942 15943 final Bundle extras = new Bundle(); 15944 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 15945 extras.putString(Intent.EXTRA_TITLE, label); 15946 mMoveCallbacks.notifyCreated(moveId, extras); 15947 15948 int installFlags; 15949 final boolean moveCompleteApp; 15950 final File measurePath; 15951 15952 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 15953 installFlags = INSTALL_INTERNAL; 15954 moveCompleteApp = !currentAsec; 15955 measurePath = Environment.getDataAppDirectory(volumeUuid); 15956 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 15957 installFlags = INSTALL_EXTERNAL; 15958 moveCompleteApp = false; 15959 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 15960 } else { 15961 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 15962 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 15963 || !volume.isMountedWritable()) { 15964 unfreezePackage(packageName); 15965 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15966 "Move location not mounted private volume"); 15967 } 15968 15969 Preconditions.checkState(!currentAsec); 15970 15971 installFlags = INSTALL_INTERNAL; 15972 moveCompleteApp = true; 15973 measurePath = Environment.getDataAppDirectory(volumeUuid); 15974 } 15975 15976 final PackageStats stats = new PackageStats(null, -1); 15977 synchronized (mInstaller) { 15978 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 15979 unfreezePackage(packageName); 15980 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15981 "Failed to measure package size"); 15982 } 15983 } 15984 15985 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 15986 + stats.dataSize); 15987 15988 final long startFreeBytes = measurePath.getFreeSpace(); 15989 final long sizeBytes; 15990 if (moveCompleteApp) { 15991 sizeBytes = stats.codeSize + stats.dataSize; 15992 } else { 15993 sizeBytes = stats.codeSize; 15994 } 15995 15996 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 15997 unfreezePackage(packageName); 15998 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15999 "Not enough free space to move"); 16000 } 16001 16002 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16003 16004 final CountDownLatch installedLatch = new CountDownLatch(1); 16005 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16006 @Override 16007 public void onUserActionRequired(Intent intent) throws RemoteException { 16008 throw new IllegalStateException(); 16009 } 16010 16011 @Override 16012 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16013 Bundle extras) throws RemoteException { 16014 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16015 + PackageManager.installStatusToString(returnCode, msg)); 16016 16017 installedLatch.countDown(); 16018 16019 // Regardless of success or failure of the move operation, 16020 // always unfreeze the package 16021 unfreezePackage(packageName); 16022 16023 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16024 switch (status) { 16025 case PackageInstaller.STATUS_SUCCESS: 16026 mMoveCallbacks.notifyStatusChanged(moveId, 16027 PackageManager.MOVE_SUCCEEDED); 16028 break; 16029 case PackageInstaller.STATUS_FAILURE_STORAGE: 16030 mMoveCallbacks.notifyStatusChanged(moveId, 16031 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16032 break; 16033 default: 16034 mMoveCallbacks.notifyStatusChanged(moveId, 16035 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16036 break; 16037 } 16038 } 16039 }; 16040 16041 final MoveInfo move; 16042 if (moveCompleteApp) { 16043 // Kick off a thread to report progress estimates 16044 new Thread() { 16045 @Override 16046 public void run() { 16047 while (true) { 16048 try { 16049 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16050 break; 16051 } 16052 } catch (InterruptedException ignored) { 16053 } 16054 16055 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16056 final int progress = 10 + (int) MathUtils.constrain( 16057 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16058 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16059 } 16060 } 16061 }.start(); 16062 16063 final String dataAppName = codeFile.getName(); 16064 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16065 dataAppName, appId, seinfo); 16066 } else { 16067 move = null; 16068 } 16069 16070 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16071 16072 final Message msg = mHandler.obtainMessage(INIT_COPY); 16073 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16074 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 16075 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16076 mHandler.sendMessage(msg); 16077 } 16078 16079 @Override 16080 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16081 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16082 16083 final int realMoveId = mNextMoveId.getAndIncrement(); 16084 final Bundle extras = new Bundle(); 16085 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16086 mMoveCallbacks.notifyCreated(realMoveId, extras); 16087 16088 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16089 @Override 16090 public void onCreated(int moveId, Bundle extras) { 16091 // Ignored 16092 } 16093 16094 @Override 16095 public void onStatusChanged(int moveId, int status, long estMillis) { 16096 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16097 } 16098 }; 16099 16100 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16101 storage.setPrimaryStorageUuid(volumeUuid, callback); 16102 return realMoveId; 16103 } 16104 16105 @Override 16106 public int getMoveStatus(int moveId) { 16107 mContext.enforceCallingOrSelfPermission( 16108 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16109 return mMoveCallbacks.mLastStatus.get(moveId); 16110 } 16111 16112 @Override 16113 public void registerMoveCallback(IPackageMoveObserver callback) { 16114 mContext.enforceCallingOrSelfPermission( 16115 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16116 mMoveCallbacks.register(callback); 16117 } 16118 16119 @Override 16120 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16121 mContext.enforceCallingOrSelfPermission( 16122 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16123 mMoveCallbacks.unregister(callback); 16124 } 16125 16126 @Override 16127 public boolean setInstallLocation(int loc) { 16128 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16129 null); 16130 if (getInstallLocation() == loc) { 16131 return true; 16132 } 16133 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16134 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16135 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16136 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16137 return true; 16138 } 16139 return false; 16140 } 16141 16142 @Override 16143 public int getInstallLocation() { 16144 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16145 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16146 PackageHelper.APP_INSTALL_AUTO); 16147 } 16148 16149 /** Called by UserManagerService */ 16150 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16151 mDirtyUsers.remove(userHandle); 16152 mSettings.removeUserLPw(userHandle); 16153 mPendingBroadcasts.remove(userHandle); 16154 if (mInstaller != null) { 16155 // Technically, we shouldn't be doing this with the package lock 16156 // held. However, this is very rare, and there is already so much 16157 // other disk I/O going on, that we'll let it slide for now. 16158 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16159 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16160 final String volumeUuid = vol.getFsUuid(); 16161 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16162 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16163 } 16164 } 16165 mUserNeedsBadging.delete(userHandle); 16166 removeUnusedPackagesLILPw(userManager, userHandle); 16167 } 16168 16169 /** 16170 * We're removing userHandle and would like to remove any downloaded packages 16171 * that are no longer in use by any other user. 16172 * @param userHandle the user being removed 16173 */ 16174 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16175 final boolean DEBUG_CLEAN_APKS = false; 16176 int [] users = userManager.getUserIdsLPr(); 16177 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16178 while (psit.hasNext()) { 16179 PackageSetting ps = psit.next(); 16180 if (ps.pkg == null) { 16181 continue; 16182 } 16183 final String packageName = ps.pkg.packageName; 16184 // Skip over if system app 16185 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16186 continue; 16187 } 16188 if (DEBUG_CLEAN_APKS) { 16189 Slog.i(TAG, "Checking package " + packageName); 16190 } 16191 boolean keep = false; 16192 for (int i = 0; i < users.length; i++) { 16193 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16194 keep = true; 16195 if (DEBUG_CLEAN_APKS) { 16196 Slog.i(TAG, " Keeping package " + packageName + " for user " 16197 + users[i]); 16198 } 16199 break; 16200 } 16201 } 16202 if (!keep) { 16203 if (DEBUG_CLEAN_APKS) { 16204 Slog.i(TAG, " Removing package " + packageName); 16205 } 16206 mHandler.post(new Runnable() { 16207 public void run() { 16208 deletePackageX(packageName, userHandle, 0); 16209 } //end run 16210 }); 16211 } 16212 } 16213 } 16214 16215 /** Called by UserManagerService */ 16216 void createNewUserLILPw(int userHandle) { 16217 if (mInstaller != null) { 16218 mInstaller.createUserConfig(userHandle); 16219 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16220 applyFactoryDefaultBrowserLPw(userHandle); 16221 primeDomainVerificationsLPw(userHandle); 16222 } 16223 } 16224 16225 void newUserCreated(final int userHandle) { 16226 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16227 } 16228 16229 @Override 16230 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16231 mContext.enforceCallingOrSelfPermission( 16232 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16233 "Only package verification agents can read the verifier device identity"); 16234 16235 synchronized (mPackages) { 16236 return mSettings.getVerifierDeviceIdentityLPw(); 16237 } 16238 } 16239 16240 @Override 16241 public void setPermissionEnforced(String permission, boolean enforced) { 16242 // TODO: Now that we no longer change GID for storage, this should to away. 16243 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16244 "setPermissionEnforced"); 16245 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16246 synchronized (mPackages) { 16247 if (mSettings.mReadExternalStorageEnforced == null 16248 || mSettings.mReadExternalStorageEnforced != enforced) { 16249 mSettings.mReadExternalStorageEnforced = enforced; 16250 mSettings.writeLPr(); 16251 } 16252 } 16253 // kill any non-foreground processes so we restart them and 16254 // grant/revoke the GID. 16255 final IActivityManager am = ActivityManagerNative.getDefault(); 16256 if (am != null) { 16257 final long token = Binder.clearCallingIdentity(); 16258 try { 16259 am.killProcessesBelowForeground("setPermissionEnforcement"); 16260 } catch (RemoteException e) { 16261 } finally { 16262 Binder.restoreCallingIdentity(token); 16263 } 16264 } 16265 } else { 16266 throw new IllegalArgumentException("No selective enforcement for " + permission); 16267 } 16268 } 16269 16270 @Override 16271 @Deprecated 16272 public boolean isPermissionEnforced(String permission) { 16273 return true; 16274 } 16275 16276 @Override 16277 public boolean isStorageLow() { 16278 final long token = Binder.clearCallingIdentity(); 16279 try { 16280 final DeviceStorageMonitorInternal 16281 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16282 if (dsm != null) { 16283 return dsm.isMemoryLow(); 16284 } else { 16285 return false; 16286 } 16287 } finally { 16288 Binder.restoreCallingIdentity(token); 16289 } 16290 } 16291 16292 @Override 16293 public IPackageInstaller getPackageInstaller() { 16294 return mInstallerService; 16295 } 16296 16297 private boolean userNeedsBadging(int userId) { 16298 int index = mUserNeedsBadging.indexOfKey(userId); 16299 if (index < 0) { 16300 final UserInfo userInfo; 16301 final long token = Binder.clearCallingIdentity(); 16302 try { 16303 userInfo = sUserManager.getUserInfo(userId); 16304 } finally { 16305 Binder.restoreCallingIdentity(token); 16306 } 16307 final boolean b; 16308 if (userInfo != null && userInfo.isManagedProfile()) { 16309 b = true; 16310 } else { 16311 b = false; 16312 } 16313 mUserNeedsBadging.put(userId, b); 16314 return b; 16315 } 16316 return mUserNeedsBadging.valueAt(index); 16317 } 16318 16319 @Override 16320 public KeySet getKeySetByAlias(String packageName, String alias) { 16321 if (packageName == null || alias == null) { 16322 return null; 16323 } 16324 synchronized(mPackages) { 16325 final PackageParser.Package pkg = mPackages.get(packageName); 16326 if (pkg == null) { 16327 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16328 throw new IllegalArgumentException("Unknown package: " + packageName); 16329 } 16330 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16331 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16332 } 16333 } 16334 16335 @Override 16336 public KeySet getSigningKeySet(String packageName) { 16337 if (packageName == null) { 16338 return null; 16339 } 16340 synchronized(mPackages) { 16341 final PackageParser.Package pkg = mPackages.get(packageName); 16342 if (pkg == null) { 16343 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16344 throw new IllegalArgumentException("Unknown package: " + packageName); 16345 } 16346 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16347 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16348 throw new SecurityException("May not access signing KeySet of other apps."); 16349 } 16350 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16351 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16352 } 16353 } 16354 16355 @Override 16356 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16357 if (packageName == null || ks == null) { 16358 return false; 16359 } 16360 synchronized(mPackages) { 16361 final PackageParser.Package pkg = mPackages.get(packageName); 16362 if (pkg == null) { 16363 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16364 throw new IllegalArgumentException("Unknown package: " + packageName); 16365 } 16366 IBinder ksh = ks.getToken(); 16367 if (ksh instanceof KeySetHandle) { 16368 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16369 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16370 } 16371 return false; 16372 } 16373 } 16374 16375 @Override 16376 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16377 if (packageName == null || ks == null) { 16378 return false; 16379 } 16380 synchronized(mPackages) { 16381 final PackageParser.Package pkg = mPackages.get(packageName); 16382 if (pkg == null) { 16383 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16384 throw new IllegalArgumentException("Unknown package: " + packageName); 16385 } 16386 IBinder ksh = ks.getToken(); 16387 if (ksh instanceof KeySetHandle) { 16388 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16389 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16390 } 16391 return false; 16392 } 16393 } 16394 16395 public void getUsageStatsIfNoPackageUsageInfo() { 16396 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16397 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16398 if (usm == null) { 16399 throw new IllegalStateException("UsageStatsManager must be initialized"); 16400 } 16401 long now = System.currentTimeMillis(); 16402 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16403 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16404 String packageName = entry.getKey(); 16405 PackageParser.Package pkg = mPackages.get(packageName); 16406 if (pkg == null) { 16407 continue; 16408 } 16409 UsageStats usage = entry.getValue(); 16410 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16411 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16412 } 16413 } 16414 } 16415 16416 /** 16417 * Check and throw if the given before/after packages would be considered a 16418 * downgrade. 16419 */ 16420 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16421 throws PackageManagerException { 16422 if (after.versionCode < before.mVersionCode) { 16423 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16424 "Update version code " + after.versionCode + " is older than current " 16425 + before.mVersionCode); 16426 } else if (after.versionCode == before.mVersionCode) { 16427 if (after.baseRevisionCode < before.baseRevisionCode) { 16428 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16429 "Update base revision code " + after.baseRevisionCode 16430 + " is older than current " + before.baseRevisionCode); 16431 } 16432 16433 if (!ArrayUtils.isEmpty(after.splitNames)) { 16434 for (int i = 0; i < after.splitNames.length; i++) { 16435 final String splitName = after.splitNames[i]; 16436 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16437 if (j != -1) { 16438 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16439 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16440 "Update split " + splitName + " revision code " 16441 + after.splitRevisionCodes[i] + " is older than current " 16442 + before.splitRevisionCodes[j]); 16443 } 16444 } 16445 } 16446 } 16447 } 16448 } 16449 16450 private static class MoveCallbacks extends Handler { 16451 private static final int MSG_CREATED = 1; 16452 private static final int MSG_STATUS_CHANGED = 2; 16453 16454 private final RemoteCallbackList<IPackageMoveObserver> 16455 mCallbacks = new RemoteCallbackList<>(); 16456 16457 private final SparseIntArray mLastStatus = new SparseIntArray(); 16458 16459 public MoveCallbacks(Looper looper) { 16460 super(looper); 16461 } 16462 16463 public void register(IPackageMoveObserver callback) { 16464 mCallbacks.register(callback); 16465 } 16466 16467 public void unregister(IPackageMoveObserver callback) { 16468 mCallbacks.unregister(callback); 16469 } 16470 16471 @Override 16472 public void handleMessage(Message msg) { 16473 final SomeArgs args = (SomeArgs) msg.obj; 16474 final int n = mCallbacks.beginBroadcast(); 16475 for (int i = 0; i < n; i++) { 16476 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16477 try { 16478 invokeCallback(callback, msg.what, args); 16479 } catch (RemoteException ignored) { 16480 } 16481 } 16482 mCallbacks.finishBroadcast(); 16483 args.recycle(); 16484 } 16485 16486 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16487 throws RemoteException { 16488 switch (what) { 16489 case MSG_CREATED: { 16490 callback.onCreated(args.argi1, (Bundle) args.arg2); 16491 break; 16492 } 16493 case MSG_STATUS_CHANGED: { 16494 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16495 break; 16496 } 16497 } 16498 } 16499 16500 private void notifyCreated(int moveId, Bundle extras) { 16501 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16502 16503 final SomeArgs args = SomeArgs.obtain(); 16504 args.argi1 = moveId; 16505 args.arg2 = extras; 16506 obtainMessage(MSG_CREATED, args).sendToTarget(); 16507 } 16508 16509 private void notifyStatusChanged(int moveId, int status) { 16510 notifyStatusChanged(moveId, status, -1); 16511 } 16512 16513 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16514 Slog.v(TAG, "Move " + moveId + " status " + status); 16515 16516 final SomeArgs args = SomeArgs.obtain(); 16517 args.argi1 = moveId; 16518 args.argi2 = status; 16519 args.arg3 = estMillis; 16520 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16521 16522 synchronized (mLastStatus) { 16523 mLastStatus.put(moveId, status); 16524 } 16525 } 16526 } 16527 16528 private final class OnPermissionChangeListeners extends Handler { 16529 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16530 16531 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16532 new RemoteCallbackList<>(); 16533 16534 public OnPermissionChangeListeners(Looper looper) { 16535 super(looper); 16536 } 16537 16538 @Override 16539 public void handleMessage(Message msg) { 16540 switch (msg.what) { 16541 case MSG_ON_PERMISSIONS_CHANGED: { 16542 final int uid = msg.arg1; 16543 handleOnPermissionsChanged(uid); 16544 } break; 16545 } 16546 } 16547 16548 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16549 mPermissionListeners.register(listener); 16550 16551 } 16552 16553 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16554 mPermissionListeners.unregister(listener); 16555 } 16556 16557 public void onPermissionsChanged(int uid) { 16558 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16559 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16560 } 16561 } 16562 16563 private void handleOnPermissionsChanged(int uid) { 16564 final int count = mPermissionListeners.beginBroadcast(); 16565 try { 16566 for (int i = 0; i < count; i++) { 16567 IOnPermissionsChangeListener callback = mPermissionListeners 16568 .getBroadcastItem(i); 16569 try { 16570 callback.onPermissionsChanged(uid); 16571 } catch (RemoteException e) { 16572 Log.e(TAG, "Permission listener is dead", e); 16573 } 16574 } 16575 } finally { 16576 mPermissionListeners.finishBroadcast(); 16577 } 16578 } 16579 } 16580 16581 private class PackageManagerInternalImpl extends PackageManagerInternal { 16582 @Override 16583 public void setLocationPackagesProvider(PackagesProvider provider) { 16584 synchronized (mPackages) { 16585 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16586 } 16587 } 16588 16589 @Override 16590 public void setImePackagesProvider(PackagesProvider provider) { 16591 synchronized (mPackages) { 16592 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16593 } 16594 } 16595 16596 @Override 16597 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16598 synchronized (mPackages) { 16599 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16600 } 16601 } 16602 16603 @Override 16604 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16605 synchronized (mPackages) { 16606 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16607 } 16608 } 16609 16610 @Override 16611 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16612 synchronized (mPackages) { 16613 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16614 } 16615 } 16616 16617 @Override 16618 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16619 synchronized (mPackages) { 16620 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16621 } 16622 } 16623 16624 @Override 16625 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16626 synchronized (mPackages) { 16627 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16628 } 16629 } 16630 16631 @Override 16632 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16633 synchronized (mPackages) { 16634 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16635 packageName, userId); 16636 } 16637 } 16638 16639 @Override 16640 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16641 synchronized (mPackages) { 16642 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16643 packageName, userId); 16644 } 16645 } 16646 @Override 16647 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16648 synchronized (mPackages) { 16649 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16650 packageName, userId); 16651 } 16652 } 16653 } 16654 16655 @Override 16656 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16657 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16658 synchronized (mPackages) { 16659 final long identity = Binder.clearCallingIdentity(); 16660 try { 16661 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16662 packageNames, userId); 16663 } finally { 16664 Binder.restoreCallingIdentity(identity); 16665 } 16666 } 16667 } 16668 16669 private static void enforceSystemOrPhoneCaller(String tag) { 16670 int callingUid = Binder.getCallingUid(); 16671 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16672 throw new SecurityException( 16673 "Cannot call " + tag + " from UID " + callingUid); 16674 } 16675 } 16676 } 16677