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.GRANT_REVOKE_PERMISSIONS; 20 import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25 import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26 import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27 import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28 import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29 import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30 import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31 import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32 import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33 import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34 import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35 import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36 import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37 import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38 import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39 import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40 import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41 import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42 import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43 import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44 import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 45 import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 46 import static android.content.pm.PackageParser.isApkFile; 47 import static android.os.Process.PACKAGE_INFO_GID; 48 import static android.os.Process.SYSTEM_UID; 49 import static android.system.OsConstants.O_CREAT; 50 import static android.system.OsConstants.O_RDWR; 51 import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 52 import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 53 import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 54 import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 55 import static com.android.internal.util.ArrayUtils.appendInt; 56 import static com.android.internal.util.ArrayUtils.removeInt; 57 58 import android.util.ArrayMap; 59 60 import com.android.internal.R; 61 import com.android.internal.app.IMediaContainerService; 62 import com.android.internal.app.ResolverActivity; 63 import com.android.internal.content.NativeLibraryHelper; 64 import com.android.internal.content.PackageHelper; 65 import com.android.internal.os.IParcelFileDescriptorFactory; 66 import com.android.internal.util.ArrayUtils; 67 import com.android.internal.util.FastPrintWriter; 68 import com.android.internal.util.FastXmlSerializer; 69 import com.android.internal.util.IndentingPrintWriter; 70 import com.android.server.EventLogTags; 71 import com.android.server.IntentResolver; 72 import com.android.server.LocalServices; 73 import com.android.server.ServiceThread; 74 import com.android.server.SystemConfig; 75 import com.android.server.Watchdog; 76 import com.android.server.pm.Settings.DatabaseVersion; 77 import com.android.server.storage.DeviceStorageMonitorInternal; 78 79 import org.xmlpull.v1.XmlSerializer; 80 81 import android.app.ActivityManager; 82 import android.app.ActivityManagerNative; 83 import android.app.AppGlobals; 84 import android.app.IActivityManager; 85 import android.app.admin.IDevicePolicyManager; 86 import android.app.backup.IBackupManager; 87 import android.content.BroadcastReceiver; 88 import android.content.ComponentName; 89 import android.content.Context; 90 import android.content.IIntentReceiver; 91 import android.content.Intent; 92 import android.content.IntentFilter; 93 import android.content.IntentSender; 94 import android.content.IntentSender.SendIntentException; 95 import android.content.ServiceConnection; 96 import android.content.pm.ActivityInfo; 97 import android.content.pm.ApplicationInfo; 98 import android.content.pm.FeatureInfo; 99 import android.content.pm.IPackageDataObserver; 100 import android.content.pm.IPackageDeleteObserver; 101 import android.content.pm.IPackageDeleteObserver2; 102 import android.content.pm.IPackageInstallObserver2; 103 import android.content.pm.IPackageInstaller; 104 import android.content.pm.IPackageManager; 105 import android.content.pm.IPackageMoveObserver; 106 import android.content.pm.IPackageStatsObserver; 107 import android.content.pm.InstrumentationInfo; 108 import android.content.pm.KeySet; 109 import android.content.pm.ManifestDigest; 110 import android.content.pm.PackageCleanItem; 111 import android.content.pm.PackageInfo; 112 import android.content.pm.PackageInfoLite; 113 import android.content.pm.PackageInstaller; 114 import android.content.pm.PackageManager; 115 import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 116 import android.content.pm.PackageParser.ActivityIntentInfo; 117 import android.content.pm.PackageParser.PackageLite; 118 import android.content.pm.PackageParser.PackageParserException; 119 import android.content.pm.PackageParser; 120 import android.content.pm.PackageStats; 121 import android.content.pm.PackageUserState; 122 import android.content.pm.ParceledListSlice; 123 import android.content.pm.PermissionGroupInfo; 124 import android.content.pm.PermissionInfo; 125 import android.content.pm.ProviderInfo; 126 import android.content.pm.ResolveInfo; 127 import android.content.pm.ServiceInfo; 128 import android.content.pm.Signature; 129 import android.content.pm.UserInfo; 130 import android.content.pm.VerificationParams; 131 import android.content.pm.VerifierDeviceIdentity; 132 import android.content.pm.VerifierInfo; 133 import android.content.res.Resources; 134 import android.hardware.display.DisplayManager; 135 import android.net.Uri; 136 import android.os.Binder; 137 import android.os.Build; 138 import android.os.Bundle; 139 import android.os.Environment; 140 import android.os.Environment.UserEnvironment; 141 import android.os.storage.StorageManager; 142 import android.os.Debug; 143 import android.os.FileUtils; 144 import android.os.Handler; 145 import android.os.IBinder; 146 import android.os.Looper; 147 import android.os.Message; 148 import android.os.Parcel; 149 import android.os.ParcelFileDescriptor; 150 import android.os.Process; 151 import android.os.RemoteException; 152 import android.os.SELinux; 153 import android.os.ServiceManager; 154 import android.os.SystemClock; 155 import android.os.SystemProperties; 156 import android.os.UserHandle; 157 import android.os.UserManager; 158 import android.security.KeyStore; 159 import android.security.SystemKeyStore; 160 import android.system.ErrnoException; 161 import android.system.Os; 162 import android.system.StructStat; 163 import android.text.TextUtils; 164 import android.util.ArraySet; 165 import android.util.AtomicFile; 166 import android.util.DisplayMetrics; 167 import android.util.EventLog; 168 import android.util.ExceptionUtils; 169 import android.util.Log; 170 import android.util.LogPrinter; 171 import android.util.PrintStreamPrinter; 172 import android.util.Slog; 173 import android.util.SparseArray; 174 import android.util.SparseBooleanArray; 175 import android.view.Display; 176 177 import java.io.BufferedInputStream; 178 import java.io.BufferedOutputStream; 179 import java.io.BufferedReader; 180 import java.io.File; 181 import java.io.FileDescriptor; 182 import java.io.FileInputStream; 183 import java.io.FileNotFoundException; 184 import java.io.FileOutputStream; 185 import java.io.FileReader; 186 import java.io.FilenameFilter; 187 import java.io.IOException; 188 import java.io.InputStream; 189 import java.io.PrintWriter; 190 import java.nio.charset.StandardCharsets; 191 import java.security.NoSuchAlgorithmException; 192 import java.security.PublicKey; 193 import java.security.cert.CertificateEncodingException; 194 import java.security.cert.CertificateException; 195 import java.text.SimpleDateFormat; 196 import java.util.ArrayList; 197 import java.util.Arrays; 198 import java.util.Collection; 199 import java.util.Collections; 200 import java.util.Comparator; 201 import java.util.Date; 202 import java.util.HashMap; 203 import java.util.HashSet; 204 import java.util.Iterator; 205 import java.util.List; 206 import java.util.Map; 207 import java.util.Objects; 208 import java.util.Set; 209 import java.util.concurrent.atomic.AtomicBoolean; 210 import java.util.concurrent.atomic.AtomicLong; 211 212 import dalvik.system.DexFile; 213 import dalvik.system.StaleDexCacheError; 214 import dalvik.system.VMRuntime; 215 216 import libcore.io.IoUtils; 217 import libcore.util.EmptyArray; 218 219 /** 220 * Keep track of all those .apks everywhere. 221 * 222 * This is very central to the platform's security; please run the unit 223 * tests whenever making modifications here: 224 * 225 mmm frameworks/base/tests/AndroidTests 226 adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 227 adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 228 * 229 * {@hide} 230 */ 231 public class PackageManagerService extends IPackageManager.Stub { 232 static final String TAG = "PackageManager"; 233 static final boolean DEBUG_SETTINGS = false; 234 static final boolean DEBUG_PREFERRED = false; 235 static final boolean DEBUG_UPGRADE = false; 236 private static final boolean DEBUG_INSTALL = false; 237 private static final boolean DEBUG_REMOVE = false; 238 private static final boolean DEBUG_BROADCASTS = false; 239 private static final boolean DEBUG_SHOW_INFO = false; 240 private static final boolean DEBUG_PACKAGE_INFO = false; 241 private static final boolean DEBUG_INTENT_MATCHING = false; 242 private static final boolean DEBUG_PACKAGE_SCANNING = false; 243 private static final boolean DEBUG_VERIFY = false; 244 private static final boolean DEBUG_DEXOPT = false; 245 private static final boolean DEBUG_ABI_SELECTION = false; 246 247 private static final int RADIO_UID = Process.PHONE_UID; 248 private static final int LOG_UID = Process.LOG_UID; 249 private static final int NFC_UID = Process.NFC_UID; 250 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 251 private static final int SHELL_UID = Process.SHELL_UID; 252 253 // Cap the size of permission trees that 3rd party apps can define 254 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 255 256 // Suffix used during package installation when copying/moving 257 // package apks to install directory. 258 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 259 260 static final int SCAN_NO_DEX = 1<<1; 261 static final int SCAN_FORCE_DEX = 1<<2; 262 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 263 static final int SCAN_NEW_INSTALL = 1<<4; 264 static final int SCAN_NO_PATHS = 1<<5; 265 static final int SCAN_UPDATE_TIME = 1<<6; 266 static final int SCAN_DEFER_DEX = 1<<7; 267 static final int SCAN_BOOTING = 1<<8; 268 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 269 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 270 static final int SCAN_REPLACING = 1<<11; 271 272 static final int REMOVE_CHATTY = 1<<16; 273 274 /** 275 * Timeout (in milliseconds) after which the watchdog should declare that 276 * our handler thread is wedged. The usual default for such things is one 277 * minute but we sometimes do very lengthy I/O operations on this thread, 278 * such as installing multi-gigabyte applications, so ours needs to be longer. 279 */ 280 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 281 282 /** 283 * Whether verification is enabled by default. 284 */ 285 private static final boolean DEFAULT_VERIFY_ENABLE = true; 286 287 /** 288 * The default maximum time to wait for the verification agent to return in 289 * milliseconds. 290 */ 291 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 292 293 /** 294 * The default response for package verification timeout. 295 * 296 * This can be either PackageManager.VERIFICATION_ALLOW or 297 * PackageManager.VERIFICATION_REJECT. 298 */ 299 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 300 301 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 302 303 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 304 DEFAULT_CONTAINER_PACKAGE, 305 "com.android.defcontainer.DefaultContainerService"); 306 307 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 308 309 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 310 311 private static String sPreferredInstructionSet; 312 313 final ServiceThread mHandlerThread; 314 315 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 316 private static final String IDMAP_SUFFIX = "@idmap"; 317 318 final PackageHandler mHandler; 319 320 /** 321 * Messages for {@link #mHandler} that need to wait for system ready before 322 * being dispatched. 323 */ 324 private ArrayList<Message> mPostSystemReadyMessages; 325 326 final int mSdkVersion = Build.VERSION.SDK_INT; 327 328 final Context mContext; 329 final boolean mFactoryTest; 330 final boolean mOnlyCore; 331 final boolean mLazyDexOpt; 332 final DisplayMetrics mMetrics; 333 final int mDefParseFlags; 334 final String[] mSeparateProcesses; 335 336 // This is where all application persistent data goes. 337 final File mAppDataDir; 338 339 // This is where all application persistent data goes for secondary users. 340 final File mUserAppDataDir; 341 342 /** The location for ASEC container files on internal storage. */ 343 final String mAsecInternalPath; 344 345 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 346 // LOCK HELD. Can be called with mInstallLock held. 347 final Installer mInstaller; 348 349 /** Directory where installed third-party apps stored */ 350 final File mAppInstallDir; 351 352 /** 353 * Directory to which applications installed internally have their 354 * 32 bit native libraries copied. 355 */ 356 private File mAppLib32InstallDir; 357 358 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 359 // apps. 360 final File mDrmAppPrivateInstallDir; 361 362 // ---------------------------------------------------------------- 363 364 // Lock for state used when installing and doing other long running 365 // operations. Methods that must be called with this lock held have 366 // the suffix "LI". 367 final Object mInstallLock = new Object(); 368 369 // ---------------------------------------------------------------- 370 371 // Keys are String (package name), values are Package. This also serves 372 // as the lock for the global state. Methods that must be called with 373 // this lock held have the prefix "LP". 374 final HashMap<String, PackageParser.Package> mPackages = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Tracks available target package names -> overlay package paths. 378 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 379 new HashMap<String, HashMap<String, PackageParser.Package>>(); 380 381 final Settings mSettings; 382 boolean mRestoredSettings; 383 384 // System configuration read by SystemConfig. 385 final int[] mGlobalGids; 386 final SparseArray<HashSet<String>> mSystemPermissions; 387 final HashMap<String, FeatureInfo> mAvailableFeatures; 388 389 // If mac_permissions.xml was found for seinfo labeling. 390 boolean mFoundPolicyFile; 391 392 // If a recursive restorecon of /data/data/<pkg> is needed. 393 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 394 395 public static final class SharedLibraryEntry { 396 public final String path; 397 public final String apk; 398 399 SharedLibraryEntry(String _path, String _apk) { 400 path = _path; 401 apk = _apk; 402 } 403 } 404 405 // Currently known shared libraries. 406 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 407 new HashMap<String, SharedLibraryEntry>(); 408 409 // All available activities, for your resolving pleasure. 410 final ActivityIntentResolver mActivities = 411 new ActivityIntentResolver(); 412 413 // All available receivers, for your resolving pleasure. 414 final ActivityIntentResolver mReceivers = 415 new ActivityIntentResolver(); 416 417 // All available services, for your resolving pleasure. 418 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 419 420 // All available providers, for your resolving pleasure. 421 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 422 423 // Mapping from provider base names (first directory in content URI codePath) 424 // to the provider information. 425 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 426 new HashMap<String, PackageParser.Provider>(); 427 428 // Mapping from instrumentation class names to info about them. 429 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 430 new HashMap<ComponentName, PackageParser.Instrumentation>(); 431 432 // Mapping from permission names to info about them. 433 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 434 new HashMap<String, PackageParser.PermissionGroup>(); 435 436 // Packages whose data we have transfered into another package, thus 437 // should no longer exist. 438 final HashSet<String> mTransferedPackages = new HashSet<String>(); 439 440 // Broadcast actions that are only available to the system. 441 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 442 443 /** List of packages waiting for verification. */ 444 final SparseArray<PackageVerificationState> mPendingVerification 445 = new SparseArray<PackageVerificationState>(); 446 447 /** Set of packages associated with each app op permission. */ 448 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 449 450 final PackageInstallerService mInstallerService; 451 452 HashSet<PackageParser.Package> mDeferredDexOpt = null; 453 454 // Cache of users who need badging. 455 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 456 457 /** Token for keys in mPendingVerification. */ 458 private int mPendingVerificationToken = 0; 459 460 volatile boolean mSystemReady; 461 volatile boolean mSafeMode; 462 volatile boolean mHasSystemUidErrors; 463 464 ApplicationInfo mAndroidApplication; 465 final ActivityInfo mResolveActivity = new ActivityInfo(); 466 final ResolveInfo mResolveInfo = new ResolveInfo(); 467 ComponentName mResolveComponentName; 468 PackageParser.Package mPlatformPackage; 469 ComponentName mCustomResolverComponentName; 470 471 boolean mResolverReplaced = false; 472 473 // Set of pending broadcasts for aggregating enable/disable of components. 474 static class PendingPackageBroadcasts { 475 // for each user id, a map of <package name -> components within that package> 476 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 477 478 public PendingPackageBroadcasts() { 479 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 480 } 481 482 public ArrayList<String> get(int userId, String packageName) { 483 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 484 return packages.get(packageName); 485 } 486 487 public void put(int userId, String packageName, ArrayList<String> components) { 488 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 489 packages.put(packageName, components); 490 } 491 492 public void remove(int userId, String packageName) { 493 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 494 if (packages != null) { 495 packages.remove(packageName); 496 } 497 } 498 499 public void remove(int userId) { 500 mUidMap.remove(userId); 501 } 502 503 public int userIdCount() { 504 return mUidMap.size(); 505 } 506 507 public int userIdAt(int n) { 508 return mUidMap.keyAt(n); 509 } 510 511 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 512 return mUidMap.get(userId); 513 } 514 515 public int size() { 516 // total number of pending broadcast entries across all userIds 517 int num = 0; 518 for (int i = 0; i< mUidMap.size(); i++) { 519 num += mUidMap.valueAt(i).size(); 520 } 521 return num; 522 } 523 524 public void clear() { 525 mUidMap.clear(); 526 } 527 528 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 529 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 530 if (map == null) { 531 map = new HashMap<String, ArrayList<String>>(); 532 mUidMap.put(userId, map); 533 } 534 return map; 535 } 536 } 537 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 538 539 // Service Connection to remote media container service to copy 540 // package uri's from external media onto secure containers 541 // or internal storage. 542 private IMediaContainerService mContainerService = null; 543 544 static final int SEND_PENDING_BROADCAST = 1; 545 static final int MCS_BOUND = 3; 546 static final int END_COPY = 4; 547 static final int INIT_COPY = 5; 548 static final int MCS_UNBIND = 6; 549 static final int START_CLEANING_PACKAGE = 7; 550 static final int FIND_INSTALL_LOC = 8; 551 static final int POST_INSTALL = 9; 552 static final int MCS_RECONNECT = 10; 553 static final int MCS_GIVE_UP = 11; 554 static final int UPDATED_MEDIA_STATUS = 12; 555 static final int WRITE_SETTINGS = 13; 556 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 557 static final int PACKAGE_VERIFIED = 15; 558 static final int CHECK_PENDING_VERIFICATION = 16; 559 560 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 561 562 // Delay time in millisecs 563 static final int BROADCAST_DELAY = 10 * 1000; 564 565 static UserManagerService sUserManager; 566 567 // Stores a list of users whose package restrictions file needs to be updated 568 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 569 570 final private DefaultContainerConnection mDefContainerConn = 571 new DefaultContainerConnection(); 572 class DefaultContainerConnection implements ServiceConnection { 573 public void onServiceConnected(ComponentName name, IBinder service) { 574 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 575 IMediaContainerService imcs = 576 IMediaContainerService.Stub.asInterface(service); 577 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 578 } 579 580 public void onServiceDisconnected(ComponentName name) { 581 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 582 } 583 }; 584 585 // Recordkeeping of restore-after-install operations that are currently in flight 586 // between the Package Manager and the Backup Manager 587 class PostInstallData { 588 public InstallArgs args; 589 public PackageInstalledInfo res; 590 591 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 592 args = _a; 593 res = _r; 594 } 595 }; 596 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 597 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 598 599 private final String mRequiredVerifierPackage; 600 601 private final PackageUsage mPackageUsage = new PackageUsage(); 602 603 private class PackageUsage { 604 private static final int WRITE_INTERVAL 605 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 606 607 private final Object mFileLock = new Object(); 608 private final AtomicLong mLastWritten = new AtomicLong(0); 609 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 610 611 private boolean mIsHistoricalPackageUsageAvailable = true; 612 613 boolean isHistoricalPackageUsageAvailable() { 614 return mIsHistoricalPackageUsageAvailable; 615 } 616 617 void write(boolean force) { 618 if (force) { 619 writeInternal(); 620 return; 621 } 622 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 623 && !DEBUG_DEXOPT) { 624 return; 625 } 626 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 627 new Thread("PackageUsage_DiskWriter") { 628 @Override 629 public void run() { 630 try { 631 writeInternal(); 632 } finally { 633 mBackgroundWriteRunning.set(false); 634 } 635 } 636 }.start(); 637 } 638 } 639 640 private void writeInternal() { 641 synchronized (mPackages) { 642 synchronized (mFileLock) { 643 AtomicFile file = getFile(); 644 FileOutputStream f = null; 645 try { 646 f = file.startWrite(); 647 BufferedOutputStream out = new BufferedOutputStream(f); 648 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 649 StringBuilder sb = new StringBuilder(); 650 for (PackageParser.Package pkg : mPackages.values()) { 651 if (pkg.mLastPackageUsageTimeInMills == 0) { 652 continue; 653 } 654 sb.setLength(0); 655 sb.append(pkg.packageName); 656 sb.append(' '); 657 sb.append((long)pkg.mLastPackageUsageTimeInMills); 658 sb.append('\n'); 659 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 660 } 661 out.flush(); 662 file.finishWrite(f); 663 } catch (IOException e) { 664 if (f != null) { 665 file.failWrite(f); 666 } 667 Log.e(TAG, "Failed to write package usage times", e); 668 } 669 } 670 } 671 mLastWritten.set(SystemClock.elapsedRealtime()); 672 } 673 674 void readLP() { 675 synchronized (mFileLock) { 676 AtomicFile file = getFile(); 677 BufferedInputStream in = null; 678 try { 679 in = new BufferedInputStream(file.openRead()); 680 StringBuffer sb = new StringBuffer(); 681 while (true) { 682 String packageName = readToken(in, sb, ' '); 683 if (packageName == null) { 684 break; 685 } 686 String timeInMillisString = readToken(in, sb, '\n'); 687 if (timeInMillisString == null) { 688 throw new IOException("Failed to find last usage time for package " 689 + packageName); 690 } 691 PackageParser.Package pkg = mPackages.get(packageName); 692 if (pkg == null) { 693 continue; 694 } 695 long timeInMillis; 696 try { 697 timeInMillis = Long.parseLong(timeInMillisString.toString()); 698 } catch (NumberFormatException e) { 699 throw new IOException("Failed to parse " + timeInMillisString 700 + " as a long.", e); 701 } 702 pkg.mLastPackageUsageTimeInMills = timeInMillis; 703 } 704 } catch (FileNotFoundException expected) { 705 mIsHistoricalPackageUsageAvailable = false; 706 } catch (IOException e) { 707 Log.w(TAG, "Failed to read package usage times", e); 708 } finally { 709 IoUtils.closeQuietly(in); 710 } 711 } 712 mLastWritten.set(SystemClock.elapsedRealtime()); 713 } 714 715 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 716 throws IOException { 717 sb.setLength(0); 718 while (true) { 719 int ch = in.read(); 720 if (ch == -1) { 721 if (sb.length() == 0) { 722 return null; 723 } 724 throw new IOException("Unexpected EOF"); 725 } 726 if (ch == endOfToken) { 727 return sb.toString(); 728 } 729 sb.append((char)ch); 730 } 731 } 732 733 private AtomicFile getFile() { 734 File dataDir = Environment.getDataDirectory(); 735 File systemDir = new File(dataDir, "system"); 736 File fname = new File(systemDir, "package-usage.list"); 737 return new AtomicFile(fname); 738 } 739 } 740 741 class PackageHandler extends Handler { 742 private boolean mBound = false; 743 final ArrayList<HandlerParams> mPendingInstalls = 744 new ArrayList<HandlerParams>(); 745 746 private boolean connectToService() { 747 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 748 " DefaultContainerService"); 749 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 750 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 751 if (mContext.bindServiceAsUser(service, mDefContainerConn, 752 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 753 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 754 mBound = true; 755 return true; 756 } 757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 758 return false; 759 } 760 761 private void disconnectService() { 762 mContainerService = null; 763 mBound = false; 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 mContext.unbindService(mDefContainerConn); 766 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 767 } 768 769 PackageHandler(Looper looper) { 770 super(looper); 771 } 772 773 public void handleMessage(Message msg) { 774 try { 775 doHandleMessage(msg); 776 } finally { 777 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 778 } 779 } 780 781 void doHandleMessage(Message msg) { 782 switch (msg.what) { 783 case INIT_COPY: { 784 HandlerParams params = (HandlerParams) msg.obj; 785 int idx = mPendingInstalls.size(); 786 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 787 // If a bind was already initiated we dont really 788 // need to do anything. The pending install 789 // will be processed later on. 790 if (!mBound) { 791 // If this is the only one pending we might 792 // have to bind to the service again. 793 if (!connectToService()) { 794 Slog.e(TAG, "Failed to bind to media container service"); 795 params.serviceError(); 796 return; 797 } else { 798 // Once we bind to the service, the first 799 // pending request will be processed. 800 mPendingInstalls.add(idx, params); 801 } 802 } else { 803 mPendingInstalls.add(idx, params); 804 // Already bound to the service. Just make 805 // sure we trigger off processing the first request. 806 if (idx == 0) { 807 mHandler.sendEmptyMessage(MCS_BOUND); 808 } 809 } 810 break; 811 } 812 case MCS_BOUND: { 813 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 814 if (msg.obj != null) { 815 mContainerService = (IMediaContainerService) msg.obj; 816 } 817 if (mContainerService == null) { 818 // Something seriously wrong. Bail out 819 Slog.e(TAG, "Cannot bind to media container service"); 820 for (HandlerParams params : mPendingInstalls) { 821 // Indicate service bind error 822 params.serviceError(); 823 } 824 mPendingInstalls.clear(); 825 } else if (mPendingInstalls.size() > 0) { 826 HandlerParams params = mPendingInstalls.get(0); 827 if (params != null) { 828 if (params.startCopy()) { 829 // We are done... look for more work or to 830 // go idle. 831 if (DEBUG_SD_INSTALL) Log.i(TAG, 832 "Checking for more work or unbind..."); 833 // Delete pending install 834 if (mPendingInstalls.size() > 0) { 835 mPendingInstalls.remove(0); 836 } 837 if (mPendingInstalls.size() == 0) { 838 if (mBound) { 839 if (DEBUG_SD_INSTALL) Log.i(TAG, 840 "Posting delayed MCS_UNBIND"); 841 removeMessages(MCS_UNBIND); 842 Message ubmsg = obtainMessage(MCS_UNBIND); 843 // Unbind after a little delay, to avoid 844 // continual thrashing. 845 sendMessageDelayed(ubmsg, 10000); 846 } 847 } else { 848 // There are more pending requests in queue. 849 // Just post MCS_BOUND message to trigger processing 850 // of next pending install. 851 if (DEBUG_SD_INSTALL) Log.i(TAG, 852 "Posting MCS_BOUND for next work"); 853 mHandler.sendEmptyMessage(MCS_BOUND); 854 } 855 } 856 } 857 } else { 858 // Should never happen ideally. 859 Slog.w(TAG, "Empty queue"); 860 } 861 break; 862 } 863 case MCS_RECONNECT: { 864 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 865 if (mPendingInstalls.size() > 0) { 866 if (mBound) { 867 disconnectService(); 868 } 869 if (!connectToService()) { 870 Slog.e(TAG, "Failed to bind to media container service"); 871 for (HandlerParams params : mPendingInstalls) { 872 // Indicate service bind error 873 params.serviceError(); 874 } 875 mPendingInstalls.clear(); 876 } 877 } 878 break; 879 } 880 case MCS_UNBIND: { 881 // If there is no actual work left, then time to unbind. 882 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 883 884 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 885 if (mBound) { 886 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 887 888 disconnectService(); 889 } 890 } else if (mPendingInstalls.size() > 0) { 891 // There are more pending requests in queue. 892 // Just post MCS_BOUND message to trigger processing 893 // of next pending install. 894 mHandler.sendEmptyMessage(MCS_BOUND); 895 } 896 897 break; 898 } 899 case MCS_GIVE_UP: { 900 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 901 mPendingInstalls.remove(0); 902 break; 903 } 904 case SEND_PENDING_BROADCAST: { 905 String packages[]; 906 ArrayList<String> components[]; 907 int size = 0; 908 int uids[]; 909 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 910 synchronized (mPackages) { 911 if (mPendingBroadcasts == null) { 912 return; 913 } 914 size = mPendingBroadcasts.size(); 915 if (size <= 0) { 916 // Nothing to be done. Just return 917 return; 918 } 919 packages = new String[size]; 920 components = new ArrayList[size]; 921 uids = new int[size]; 922 int i = 0; // filling out the above arrays 923 924 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 925 int packageUserId = mPendingBroadcasts.userIdAt(n); 926 Iterator<Map.Entry<String, ArrayList<String>>> it 927 = mPendingBroadcasts.packagesForUserId(packageUserId) 928 .entrySet().iterator(); 929 while (it.hasNext() && i < size) { 930 Map.Entry<String, ArrayList<String>> ent = it.next(); 931 packages[i] = ent.getKey(); 932 components[i] = ent.getValue(); 933 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 934 uids[i] = (ps != null) 935 ? UserHandle.getUid(packageUserId, ps.appId) 936 : -1; 937 i++; 938 } 939 } 940 size = i; 941 mPendingBroadcasts.clear(); 942 } 943 // Send broadcasts 944 for (int i = 0; i < size; i++) { 945 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 946 } 947 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 948 break; 949 } 950 case START_CLEANING_PACKAGE: { 951 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 952 final String packageName = (String)msg.obj; 953 final int userId = msg.arg1; 954 final boolean andCode = msg.arg2 != 0; 955 synchronized (mPackages) { 956 if (userId == UserHandle.USER_ALL) { 957 int[] users = sUserManager.getUserIds(); 958 for (int user : users) { 959 mSettings.addPackageToCleanLPw( 960 new PackageCleanItem(user, packageName, andCode)); 961 } 962 } else { 963 mSettings.addPackageToCleanLPw( 964 new PackageCleanItem(userId, packageName, andCode)); 965 } 966 } 967 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 968 startCleaningPackages(); 969 } break; 970 case POST_INSTALL: { 971 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 972 PostInstallData data = mRunningInstalls.get(msg.arg1); 973 mRunningInstalls.delete(msg.arg1); 974 boolean deleteOld = false; 975 976 if (data != null) { 977 InstallArgs args = data.args; 978 PackageInstalledInfo res = data.res; 979 980 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 981 res.removedInfo.sendBroadcast(false, true, false); 982 Bundle extras = new Bundle(1); 983 extras.putInt(Intent.EXTRA_UID, res.uid); 984 // Determine the set of users who are adding this 985 // package for the first time vs. those who are seeing 986 // an update. 987 int[] firstUsers; 988 int[] updateUsers = new int[0]; 989 if (res.origUsers == null || res.origUsers.length == 0) { 990 firstUsers = res.newUsers; 991 } else { 992 firstUsers = new int[0]; 993 for (int i=0; i<res.newUsers.length; i++) { 994 int user = res.newUsers[i]; 995 boolean isNew = true; 996 for (int j=0; j<res.origUsers.length; j++) { 997 if (res.origUsers[j] == user) { 998 isNew = false; 999 break; 1000 } 1001 } 1002 if (isNew) { 1003 int[] newFirst = new int[firstUsers.length+1]; 1004 System.arraycopy(firstUsers, 0, newFirst, 0, 1005 firstUsers.length); 1006 newFirst[firstUsers.length] = user; 1007 firstUsers = newFirst; 1008 } else { 1009 int[] newUpdate = new int[updateUsers.length+1]; 1010 System.arraycopy(updateUsers, 0, newUpdate, 0, 1011 updateUsers.length); 1012 newUpdate[updateUsers.length] = user; 1013 updateUsers = newUpdate; 1014 } 1015 } 1016 } 1017 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1018 res.pkg.applicationInfo.packageName, 1019 extras, null, null, firstUsers); 1020 final boolean update = res.removedInfo.removedPackage != null; 1021 if (update) { 1022 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1023 } 1024 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1025 res.pkg.applicationInfo.packageName, 1026 extras, null, null, updateUsers); 1027 if (update) { 1028 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1029 res.pkg.applicationInfo.packageName, 1030 extras, null, null, updateUsers); 1031 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1032 null, null, 1033 res.pkg.applicationInfo.packageName, null, updateUsers); 1034 1035 // treat asec-hosted packages like removable media on upgrade 1036 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1037 if (DEBUG_INSTALL) { 1038 Slog.i(TAG, "upgrading pkg " + res.pkg 1039 + " is ASEC-hosted -> AVAILABLE"); 1040 } 1041 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1042 ArrayList<String> pkgList = new ArrayList<String>(1); 1043 pkgList.add(res.pkg.applicationInfo.packageName); 1044 sendResourcesChangedBroadcast(true, true, 1045 pkgList,uidArray, null); 1046 } 1047 } 1048 if (res.removedInfo.args != null) { 1049 // Remove the replaced package's older resources safely now 1050 deleteOld = true; 1051 } 1052 1053 // Log current value of "unknown sources" setting 1054 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1055 getUnknownSourcesSettings()); 1056 } 1057 // Force a gc to clear up things 1058 Runtime.getRuntime().gc(); 1059 // We delete after a gc for applications on sdcard. 1060 if (deleteOld) { 1061 synchronized (mInstallLock) { 1062 res.removedInfo.args.doPostDeleteLI(true); 1063 } 1064 } 1065 if (args.observer != null) { 1066 try { 1067 Bundle extras = extrasForInstallResult(res); 1068 args.observer.onPackageInstalled(res.name, res.returnCode, 1069 res.returnMsg, extras); 1070 } catch (RemoteException e) { 1071 Slog.i(TAG, "Observer no longer exists."); 1072 } 1073 } 1074 } else { 1075 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1076 } 1077 } break; 1078 case UPDATED_MEDIA_STATUS: { 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1080 boolean reportStatus = msg.arg1 == 1; 1081 boolean doGc = msg.arg2 == 1; 1082 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1083 if (doGc) { 1084 // Force a gc to clear up stale containers. 1085 Runtime.getRuntime().gc(); 1086 } 1087 if (msg.obj != null) { 1088 @SuppressWarnings("unchecked") 1089 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1090 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1091 // Unload containers 1092 unloadAllContainers(args); 1093 } 1094 if (reportStatus) { 1095 try { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1097 PackageHelper.getMountService().finishMediaUpdate(); 1098 } catch (RemoteException e) { 1099 Log.e(TAG, "MountService not running?"); 1100 } 1101 } 1102 } break; 1103 case WRITE_SETTINGS: { 1104 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1105 synchronized (mPackages) { 1106 removeMessages(WRITE_SETTINGS); 1107 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1108 mSettings.writeLPr(); 1109 mDirtyUsers.clear(); 1110 } 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 } break; 1113 case WRITE_PACKAGE_RESTRICTIONS: { 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1115 synchronized (mPackages) { 1116 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1117 for (int userId : mDirtyUsers) { 1118 mSettings.writePackageRestrictionsLPr(userId); 1119 } 1120 mDirtyUsers.clear(); 1121 } 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1123 } break; 1124 case CHECK_PENDING_VERIFICATION: { 1125 final int verificationId = msg.arg1; 1126 final PackageVerificationState state = mPendingVerification.get(verificationId); 1127 1128 if ((state != null) && !state.timeoutExtended()) { 1129 final InstallArgs args = state.getInstallArgs(); 1130 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1131 1132 Slog.i(TAG, "Verification timed out for " + originUri); 1133 mPendingVerification.remove(verificationId); 1134 1135 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1136 1137 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1138 Slog.i(TAG, "Continuing with installation of " + originUri); 1139 state.setVerifierResponse(Binder.getCallingUid(), 1140 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1141 broadcastPackageVerified(verificationId, originUri, 1142 PackageManager.VERIFICATION_ALLOW, 1143 state.getInstallArgs().getUser()); 1144 try { 1145 ret = args.copyApk(mContainerService, true); 1146 } catch (RemoteException e) { 1147 Slog.e(TAG, "Could not contact the ContainerService"); 1148 } 1149 } else { 1150 broadcastPackageVerified(verificationId, originUri, 1151 PackageManager.VERIFICATION_REJECT, 1152 state.getInstallArgs().getUser()); 1153 } 1154 1155 processPendingInstall(args, ret); 1156 mHandler.sendEmptyMessage(MCS_UNBIND); 1157 } 1158 break; 1159 } 1160 case PACKAGE_VERIFIED: { 1161 final int verificationId = msg.arg1; 1162 1163 final PackageVerificationState state = mPendingVerification.get(verificationId); 1164 if (state == null) { 1165 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1166 break; 1167 } 1168 1169 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1170 1171 state.setVerifierResponse(response.callerUid, response.code); 1172 1173 if (state.isVerificationComplete()) { 1174 mPendingVerification.remove(verificationId); 1175 1176 final InstallArgs args = state.getInstallArgs(); 1177 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1178 1179 int ret; 1180 if (state.isInstallAllowed()) { 1181 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1182 broadcastPackageVerified(verificationId, originUri, 1183 response.code, state.getInstallArgs().getUser()); 1184 try { 1185 ret = args.copyApk(mContainerService, true); 1186 } catch (RemoteException e) { 1187 Slog.e(TAG, "Could not contact the ContainerService"); 1188 } 1189 } else { 1190 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1191 } 1192 1193 processPendingInstall(args, ret); 1194 1195 mHandler.sendEmptyMessage(MCS_UNBIND); 1196 } 1197 1198 break; 1199 } 1200 } 1201 } 1202 } 1203 1204 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1205 Bundle extras = null; 1206 switch (res.returnCode) { 1207 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1208 extras = new Bundle(); 1209 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1210 res.origPermission); 1211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1212 res.origPackage); 1213 break; 1214 } 1215 } 1216 return extras; 1217 } 1218 1219 void scheduleWriteSettingsLocked() { 1220 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1221 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1222 } 1223 } 1224 1225 void scheduleWritePackageRestrictionsLocked(int userId) { 1226 if (!sUserManager.exists(userId)) return; 1227 mDirtyUsers.add(userId); 1228 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1229 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1230 } 1231 } 1232 1233 public static final PackageManagerService main(Context context, Installer installer, 1234 boolean factoryTest, boolean onlyCore) { 1235 PackageManagerService m = new PackageManagerService(context, installer, 1236 factoryTest, onlyCore); 1237 ServiceManager.addService("package", m); 1238 return m; 1239 } 1240 1241 static String[] splitString(String str, char sep) { 1242 int count = 1; 1243 int i = 0; 1244 while ((i=str.indexOf(sep, i)) >= 0) { 1245 count++; 1246 i++; 1247 } 1248 1249 String[] res = new String[count]; 1250 i=0; 1251 count = 0; 1252 int lastI=0; 1253 while ((i=str.indexOf(sep, i)) >= 0) { 1254 res[count] = str.substring(lastI, i); 1255 count++; 1256 i++; 1257 lastI = i; 1258 } 1259 res[count] = str.substring(lastI, str.length()); 1260 return res; 1261 } 1262 1263 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1264 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1265 Context.DISPLAY_SERVICE); 1266 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1267 } 1268 1269 public PackageManagerService(Context context, Installer installer, 1270 boolean factoryTest, boolean onlyCore) { 1271 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1272 SystemClock.uptimeMillis()); 1273 1274 if (mSdkVersion <= 0) { 1275 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1276 } 1277 1278 mContext = context; 1279 mFactoryTest = factoryTest; 1280 mOnlyCore = onlyCore; 1281 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1282 mMetrics = new DisplayMetrics(); 1283 mSettings = new Settings(context); 1284 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1285 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1286 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1287 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1288 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1289 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1290 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1291 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1292 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1293 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1294 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1295 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1296 1297 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1298 if (separateProcesses != null && separateProcesses.length() > 0) { 1299 if ("*".equals(separateProcesses)) { 1300 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1301 mSeparateProcesses = null; 1302 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1303 } else { 1304 mDefParseFlags = 0; 1305 mSeparateProcesses = separateProcesses.split(","); 1306 Slog.w(TAG, "Running with debug.separate_processes: " 1307 + separateProcesses); 1308 } 1309 } else { 1310 mDefParseFlags = 0; 1311 mSeparateProcesses = null; 1312 } 1313 1314 mInstaller = installer; 1315 1316 getDefaultDisplayMetrics(context, mMetrics); 1317 1318 SystemConfig systemConfig = SystemConfig.getInstance(); 1319 mGlobalGids = systemConfig.getGlobalGids(); 1320 mSystemPermissions = systemConfig.getSystemPermissions(); 1321 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1322 1323 synchronized (mInstallLock) { 1324 // writer 1325 synchronized (mPackages) { 1326 mHandlerThread = new ServiceThread(TAG, 1327 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1328 mHandlerThread.start(); 1329 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1330 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1331 1332 File dataDir = Environment.getDataDirectory(); 1333 mAppDataDir = new File(dataDir, "data"); 1334 mAppInstallDir = new File(dataDir, "app"); 1335 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1336 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1337 mUserAppDataDir = new File(dataDir, "user"); 1338 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1339 1340 sUserManager = new UserManagerService(context, this, 1341 mInstallLock, mPackages); 1342 1343 // Propagate permission configuration in to package manager. 1344 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1345 = systemConfig.getPermissions(); 1346 for (int i=0; i<permConfig.size(); i++) { 1347 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1348 BasePermission bp = mSettings.mPermissions.get(perm.name); 1349 if (bp == null) { 1350 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1351 mSettings.mPermissions.put(perm.name, bp); 1352 } 1353 if (perm.gids != null) { 1354 bp.gids = appendInts(bp.gids, perm.gids); 1355 } 1356 } 1357 1358 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1359 for (int i=0; i<libConfig.size(); i++) { 1360 mSharedLibraries.put(libConfig.keyAt(i), 1361 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1362 } 1363 1364 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1365 1366 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1367 mSdkVersion, mOnlyCore); 1368 1369 String customResolverActivity = Resources.getSystem().getString( 1370 R.string.config_customResolverActivity); 1371 if (TextUtils.isEmpty(customResolverActivity)) { 1372 customResolverActivity = null; 1373 } else { 1374 mCustomResolverComponentName = ComponentName.unflattenFromString( 1375 customResolverActivity); 1376 } 1377 1378 long startTime = SystemClock.uptimeMillis(); 1379 1380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1381 startTime); 1382 1383 // Set flag to monitor and not change apk file paths when 1384 // scanning install directories. 1385 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1386 1387 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1388 1389 /** 1390 * Add everything in the in the boot class path to the 1391 * list of process files because dexopt will have been run 1392 * if necessary during zygote startup. 1393 */ 1394 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1395 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1396 1397 if (bootClassPath != null) { 1398 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1399 for (String element : bootClassPathElements) { 1400 alreadyDexOpted.add(element); 1401 } 1402 } else { 1403 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1404 } 1405 1406 if (systemServerClassPath != null) { 1407 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1408 for (String element : systemServerClassPathElements) { 1409 alreadyDexOpted.add(element); 1410 } 1411 } else { 1412 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1413 } 1414 1415 boolean didDexOptLibraryOrTool = false; 1416 1417 final List<String> allInstructionSets = getAllInstructionSets(); 1418 final String[] dexCodeInstructionSets = 1419 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1420 1421 /** 1422 * Ensure all external libraries have had dexopt run on them. 1423 */ 1424 if (mSharedLibraries.size() > 0) { 1425 // NOTE: For now, we're compiling these system "shared libraries" 1426 // (and framework jars) into all available architectures. It's possible 1427 // to compile them only when we come across an app that uses them (there's 1428 // already logic for that in scanPackageLI) but that adds some complexity. 1429 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1430 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1431 final String lib = libEntry.path; 1432 if (lib == null) { 1433 continue; 1434 } 1435 1436 try { 1437 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1438 dexCodeInstructionSet, 1439 false); 1440 if (dexoptRequired != DexFile.UP_TO_DATE) { 1441 alreadyDexOpted.add(lib); 1442 1443 // The list of "shared libraries" we have at this point is 1444 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1445 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1446 } else { 1447 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1448 } 1449 didDexOptLibraryOrTool = true; 1450 } 1451 } catch (FileNotFoundException e) { 1452 Slog.w(TAG, "Library not found: " + lib); 1453 } catch (IOException e) { 1454 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1455 + e.getMessage()); 1456 } 1457 } 1458 } 1459 } 1460 1461 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1462 1463 // Gross hack for now: we know this file doesn't contain any 1464 // code, so don't dexopt it to avoid the resulting log spew. 1465 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1466 1467 // Gross hack for now: we know this file is only part of 1468 // the boot class path for art, so don't dexopt it to 1469 // avoid the resulting log spew. 1470 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1471 1472 /** 1473 * And there are a number of commands implemented in Java, which 1474 * we currently need to do the dexopt on so that they can be 1475 * run from a non-root shell. 1476 */ 1477 String[] frameworkFiles = frameworkDir.list(); 1478 if (frameworkFiles != null) { 1479 // TODO: We could compile these only for the most preferred ABI. We should 1480 // first double check that the dex files for these commands are not referenced 1481 // by other system apps. 1482 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1483 for (int i=0; i<frameworkFiles.length; i++) { 1484 File libPath = new File(frameworkDir, frameworkFiles[i]); 1485 String path = libPath.getPath(); 1486 // Skip the file if we already did it. 1487 if (alreadyDexOpted.contains(path)) { 1488 continue; 1489 } 1490 // Skip the file if it is not a type we want to dexopt. 1491 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1492 continue; 1493 } 1494 try { 1495 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1496 dexCodeInstructionSet, 1497 false); 1498 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1499 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1500 didDexOptLibraryOrTool = true; 1501 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1502 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1503 didDexOptLibraryOrTool = true; 1504 } 1505 } catch (FileNotFoundException e) { 1506 Slog.w(TAG, "Jar not found: " + path); 1507 } catch (IOException e) { 1508 Slog.w(TAG, "Exception reading jar: " + path, e); 1509 } 1510 } 1511 } 1512 } 1513 1514 // Collect vendor overlay packages. 1515 // (Do this before scanning any apps.) 1516 // For security and version matching reason, only consider 1517 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1518 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1519 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1520 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1521 1522 // Find base frameworks (resource packages without code). 1523 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1524 | PackageParser.PARSE_IS_SYSTEM_DIR 1525 | PackageParser.PARSE_IS_PRIVILEGED, 1526 scanFlags | SCAN_NO_DEX, 0); 1527 1528 // Collected privileged system packages. 1529 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1530 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1531 | PackageParser.PARSE_IS_SYSTEM_DIR 1532 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1533 1534 // Collect ordinary system packages. 1535 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1536 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1537 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1538 1539 // Collect all vendor packages. 1540 File vendorAppDir = new File("/vendor/app"); 1541 try { 1542 vendorAppDir = vendorAppDir.getCanonicalFile(); 1543 } catch (IOException e) { 1544 // failed to look up canonical path, continue with original one 1545 } 1546 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1547 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1548 1549 // Collect all OEM packages. 1550 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1551 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1553 1554 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1555 mInstaller.moveFiles(); 1556 1557 // Prune any system packages that no longer exist. 1558 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1559 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1560 if (!mOnlyCore) { 1561 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1562 while (psit.hasNext()) { 1563 PackageSetting ps = psit.next(); 1564 1565 /* 1566 * If this is not a system app, it can't be a 1567 * disable system app. 1568 */ 1569 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1570 continue; 1571 } 1572 1573 /* 1574 * If the package is scanned, it's not erased. 1575 */ 1576 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1577 if (scannedPkg != null) { 1578 /* 1579 * If the system app is both scanned and in the 1580 * disabled packages list, then it must have been 1581 * added via OTA. Remove it from the currently 1582 * scanned package so the previously user-installed 1583 * application can be scanned. 1584 */ 1585 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1586 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1587 + ps.name + "; removing system app. Last known codePath=" 1588 + ps.codePathString + ", installStatus=" + ps.installStatus 1589 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1590 + scannedPkg.mVersionCode); 1591 removePackageLI(ps, true); 1592 expectingBetter.put(ps.name, ps.codePath); 1593 } 1594 1595 continue; 1596 } 1597 1598 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1599 psit.remove(); 1600 logCriticalInfo(Log.WARN, "System package " + ps.name 1601 + " no longer exists; wiping its data"); 1602 removeDataDirsLI(ps.name); 1603 } else { 1604 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1605 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1606 possiblyDeletedUpdatedSystemApps.add(ps.name); 1607 } 1608 } 1609 } 1610 } 1611 1612 //look for any incomplete package installations 1613 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1614 //clean up list 1615 for(int i = 0; i < deletePkgsList.size(); i++) { 1616 //clean up here 1617 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1618 } 1619 //delete tmp files 1620 deleteTempPackageFiles(); 1621 1622 // Remove any shared userIDs that have no associated packages 1623 mSettings.pruneSharedUsersLPw(); 1624 1625 if (!mOnlyCore) { 1626 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1627 SystemClock.uptimeMillis()); 1628 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1629 1630 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1631 scanFlags, 0); 1632 1633 /** 1634 * Remove disable package settings for any updated system 1635 * apps that were removed via an OTA. If they're not a 1636 * previously-updated app, remove them completely. 1637 * Otherwise, just revoke their system-level permissions. 1638 */ 1639 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1640 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1641 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1642 1643 String msg; 1644 if (deletedPkg == null) { 1645 msg = "Updated system package " + deletedAppName 1646 + " no longer exists; wiping its data"; 1647 removeDataDirsLI(deletedAppName); 1648 } else { 1649 msg = "Updated system app + " + deletedAppName 1650 + " no longer present; removing system privileges for " 1651 + deletedAppName; 1652 1653 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1654 1655 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1656 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1657 } 1658 logCriticalInfo(Log.WARN, msg); 1659 } 1660 1661 /** 1662 * Make sure all system apps that we expected to appear on 1663 * the userdata partition actually showed up. If they never 1664 * appeared, crawl back and revive the system version. 1665 */ 1666 for (int i = 0; i < expectingBetter.size(); i++) { 1667 final String packageName = expectingBetter.keyAt(i); 1668 if (!mPackages.containsKey(packageName)) { 1669 final File scanFile = expectingBetter.valueAt(i); 1670 1671 logCriticalInfo(Log.WARN, "Expected better " + packageName 1672 + " but never showed up; reverting to system"); 1673 1674 final int reparseFlags; 1675 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1676 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1677 | PackageParser.PARSE_IS_SYSTEM_DIR 1678 | PackageParser.PARSE_IS_PRIVILEGED; 1679 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1680 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1681 | PackageParser.PARSE_IS_SYSTEM_DIR; 1682 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1683 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1684 | PackageParser.PARSE_IS_SYSTEM_DIR; 1685 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1686 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1687 | PackageParser.PARSE_IS_SYSTEM_DIR; 1688 } else { 1689 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1690 continue; 1691 } 1692 1693 mSettings.enableSystemPackageLPw(packageName); 1694 1695 try { 1696 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1697 } catch (PackageManagerException e) { 1698 Slog.e(TAG, "Failed to parse original system package: " 1699 + e.getMessage()); 1700 } 1701 } 1702 } 1703 } 1704 1705 // Now that we know all of the shared libraries, update all clients to have 1706 // the correct library paths. 1707 updateAllSharedLibrariesLPw(); 1708 1709 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1710 // NOTE: We ignore potential failures here during a system scan (like 1711 // the rest of the commands above) because there's precious little we 1712 // can do about it. A settings error is reported, though. 1713 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1714 false /* force dexopt */, false /* defer dexopt */); 1715 } 1716 1717 // Now that we know all the packages we are keeping, 1718 // read and update their last usage times. 1719 mPackageUsage.readLP(); 1720 1721 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1722 SystemClock.uptimeMillis()); 1723 Slog.i(TAG, "Time to scan packages: " 1724 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1725 + " seconds"); 1726 1727 // If the platform SDK has changed since the last time we booted, 1728 // we need to re-grant app permission to catch any new ones that 1729 // appear. This is really a hack, and means that apps can in some 1730 // cases get permissions that the user didn't initially explicitly 1731 // allow... it would be nice to have some better way to handle 1732 // this situation. 1733 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1734 != mSdkVersion; 1735 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1736 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1737 + "; regranting permissions for internal storage"); 1738 mSettings.mInternalSdkPlatform = mSdkVersion; 1739 1740 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1741 | (regrantPermissions 1742 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1743 : 0)); 1744 1745 // If this is the first boot, and it is a normal boot, then 1746 // we need to initialize the default preferred apps. 1747 if (!mRestoredSettings && !onlyCore) { 1748 mSettings.readDefaultPreferredAppsLPw(this, 0); 1749 } 1750 1751 // If this is first boot after an OTA, and a normal boot, then 1752 // we need to clear code cache directories. 1753 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1754 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1755 for (String pkgName : mSettings.mPackages.keySet()) { 1756 deleteCodeCacheDirsLI(pkgName); 1757 } 1758 mSettings.mFingerprint = Build.FINGERPRINT; 1759 } 1760 1761 // All the changes are done during package scanning. 1762 mSettings.updateInternalDatabaseVersion(); 1763 1764 // can downgrade to reader 1765 mSettings.writeLPr(); 1766 1767 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1768 SystemClock.uptimeMillis()); 1769 1770 1771 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1772 } // synchronized (mPackages) 1773 } // synchronized (mInstallLock) 1774 1775 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1776 1777 // Now after opening every single application zip, make sure they 1778 // are all flushed. Not really needed, but keeps things nice and 1779 // tidy. 1780 Runtime.getRuntime().gc(); 1781 } 1782 1783 @Override 1784 public boolean isFirstBoot() { 1785 return !mRestoredSettings; 1786 } 1787 1788 @Override 1789 public boolean isOnlyCoreApps() { 1790 return mOnlyCore; 1791 } 1792 1793 private String getRequiredVerifierLPr() { 1794 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1795 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1796 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1797 1798 String requiredVerifier = null; 1799 1800 final int N = receivers.size(); 1801 for (int i = 0; i < N; i++) { 1802 final ResolveInfo info = receivers.get(i); 1803 1804 if (info.activityInfo == null) { 1805 continue; 1806 } 1807 1808 final String packageName = info.activityInfo.packageName; 1809 1810 final PackageSetting ps = mSettings.mPackages.get(packageName); 1811 if (ps == null) { 1812 continue; 1813 } 1814 1815 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1816 if (!gp.grantedPermissions 1817 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1818 continue; 1819 } 1820 1821 if (requiredVerifier != null) { 1822 throw new RuntimeException("There can be only one required verifier"); 1823 } 1824 1825 requiredVerifier = packageName; 1826 } 1827 1828 return requiredVerifier; 1829 } 1830 1831 @Override 1832 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1833 throws RemoteException { 1834 try { 1835 return super.onTransact(code, data, reply, flags); 1836 } catch (RuntimeException e) { 1837 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1838 Slog.wtf(TAG, "Package Manager Crash", e); 1839 } 1840 throw e; 1841 } 1842 } 1843 1844 void cleanupInstallFailedPackage(PackageSetting ps) { 1845 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1846 1847 removeDataDirsLI(ps.name); 1848 if (ps.codePath != null) { 1849 if (ps.codePath.isDirectory()) { 1850 FileUtils.deleteContents(ps.codePath); 1851 } 1852 ps.codePath.delete(); 1853 } 1854 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1855 if (ps.resourcePath.isDirectory()) { 1856 FileUtils.deleteContents(ps.resourcePath); 1857 } 1858 ps.resourcePath.delete(); 1859 } 1860 mSettings.removePackageLPw(ps.name); 1861 } 1862 1863 static int[] appendInts(int[] cur, int[] add) { 1864 if (add == null) return cur; 1865 if (cur == null) return add; 1866 final int N = add.length; 1867 for (int i=0; i<N; i++) { 1868 cur = appendInt(cur, add[i]); 1869 } 1870 return cur; 1871 } 1872 1873 static int[] removeInts(int[] cur, int[] rem) { 1874 if (rem == null) return cur; 1875 if (cur == null) return cur; 1876 final int N = rem.length; 1877 for (int i=0; i<N; i++) { 1878 cur = removeInt(cur, rem[i]); 1879 } 1880 return cur; 1881 } 1882 1883 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1884 if (!sUserManager.exists(userId)) return null; 1885 final PackageSetting ps = (PackageSetting) p.mExtras; 1886 if (ps == null) { 1887 return null; 1888 } 1889 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1890 final PackageUserState state = ps.readUserState(userId); 1891 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1892 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1893 state, userId); 1894 } 1895 1896 @Override 1897 public boolean isPackageAvailable(String packageName, int userId) { 1898 if (!sUserManager.exists(userId)) return false; 1899 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1900 synchronized (mPackages) { 1901 PackageParser.Package p = mPackages.get(packageName); 1902 if (p != null) { 1903 final PackageSetting ps = (PackageSetting) p.mExtras; 1904 if (ps != null) { 1905 final PackageUserState state = ps.readUserState(userId); 1906 if (state != null) { 1907 return PackageParser.isAvailable(state); 1908 } 1909 } 1910 } 1911 } 1912 return false; 1913 } 1914 1915 @Override 1916 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1917 if (!sUserManager.exists(userId)) return null; 1918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1919 // reader 1920 synchronized (mPackages) { 1921 PackageParser.Package p = mPackages.get(packageName); 1922 if (DEBUG_PACKAGE_INFO) 1923 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1924 if (p != null) { 1925 return generatePackageInfo(p, flags, userId); 1926 } 1927 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1928 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1929 } 1930 } 1931 return null; 1932 } 1933 1934 @Override 1935 public String[] currentToCanonicalPackageNames(String[] names) { 1936 String[] out = new String[names.length]; 1937 // reader 1938 synchronized (mPackages) { 1939 for (int i=names.length-1; i>=0; i--) { 1940 PackageSetting ps = mSettings.mPackages.get(names[i]); 1941 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1942 } 1943 } 1944 return out; 1945 } 1946 1947 @Override 1948 public String[] canonicalToCurrentPackageNames(String[] names) { 1949 String[] out = new String[names.length]; 1950 // reader 1951 synchronized (mPackages) { 1952 for (int i=names.length-1; i>=0; i--) { 1953 String cur = mSettings.mRenamedPackages.get(names[i]); 1954 out[i] = cur != null ? cur : names[i]; 1955 } 1956 } 1957 return out; 1958 } 1959 1960 @Override 1961 public int getPackageUid(String packageName, int userId) { 1962 if (!sUserManager.exists(userId)) return -1; 1963 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1964 // reader 1965 synchronized (mPackages) { 1966 PackageParser.Package p = mPackages.get(packageName); 1967 if(p != null) { 1968 return UserHandle.getUid(userId, p.applicationInfo.uid); 1969 } 1970 PackageSetting ps = mSettings.mPackages.get(packageName); 1971 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1972 return -1; 1973 } 1974 p = ps.pkg; 1975 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1976 } 1977 } 1978 1979 @Override 1980 public int[] getPackageGids(String packageName) { 1981 // reader 1982 synchronized (mPackages) { 1983 PackageParser.Package p = mPackages.get(packageName); 1984 if (DEBUG_PACKAGE_INFO) 1985 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1986 if (p != null) { 1987 final PackageSetting ps = (PackageSetting)p.mExtras; 1988 return ps.getGids(); 1989 } 1990 } 1991 // stupid thing to indicate an error. 1992 return new int[0]; 1993 } 1994 1995 static final PermissionInfo generatePermissionInfo( 1996 BasePermission bp, int flags) { 1997 if (bp.perm != null) { 1998 return PackageParser.generatePermissionInfo(bp.perm, flags); 1999 } 2000 PermissionInfo pi = new PermissionInfo(); 2001 pi.name = bp.name; 2002 pi.packageName = bp.sourcePackage; 2003 pi.nonLocalizedLabel = bp.name; 2004 pi.protectionLevel = bp.protectionLevel; 2005 return pi; 2006 } 2007 2008 @Override 2009 public PermissionInfo getPermissionInfo(String name, int flags) { 2010 // reader 2011 synchronized (mPackages) { 2012 final BasePermission p = mSettings.mPermissions.get(name); 2013 if (p != null) { 2014 return generatePermissionInfo(p, flags); 2015 } 2016 return null; 2017 } 2018 } 2019 2020 @Override 2021 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2022 // reader 2023 synchronized (mPackages) { 2024 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2025 for (BasePermission p : mSettings.mPermissions.values()) { 2026 if (group == null) { 2027 if (p.perm == null || p.perm.info.group == null) { 2028 out.add(generatePermissionInfo(p, flags)); 2029 } 2030 } else { 2031 if (p.perm != null && group.equals(p.perm.info.group)) { 2032 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2033 } 2034 } 2035 } 2036 2037 if (out.size() > 0) { 2038 return out; 2039 } 2040 return mPermissionGroups.containsKey(group) ? out : null; 2041 } 2042 } 2043 2044 @Override 2045 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2046 // reader 2047 synchronized (mPackages) { 2048 return PackageParser.generatePermissionGroupInfo( 2049 mPermissionGroups.get(name), flags); 2050 } 2051 } 2052 2053 @Override 2054 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2055 // reader 2056 synchronized (mPackages) { 2057 final int N = mPermissionGroups.size(); 2058 ArrayList<PermissionGroupInfo> out 2059 = new ArrayList<PermissionGroupInfo>(N); 2060 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2061 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2062 } 2063 return out; 2064 } 2065 } 2066 2067 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2068 int userId) { 2069 if (!sUserManager.exists(userId)) return null; 2070 PackageSetting ps = mSettings.mPackages.get(packageName); 2071 if (ps != null) { 2072 if (ps.pkg == null) { 2073 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2074 flags, userId); 2075 if (pInfo != null) { 2076 return pInfo.applicationInfo; 2077 } 2078 return null; 2079 } 2080 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2081 ps.readUserState(userId), userId); 2082 } 2083 return null; 2084 } 2085 2086 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2087 int userId) { 2088 if (!sUserManager.exists(userId)) return null; 2089 PackageSetting ps = mSettings.mPackages.get(packageName); 2090 if (ps != null) { 2091 PackageParser.Package pkg = ps.pkg; 2092 if (pkg == null) { 2093 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2094 return null; 2095 } 2096 // Only data remains, so we aren't worried about code paths 2097 pkg = new PackageParser.Package(packageName); 2098 pkg.applicationInfo.packageName = packageName; 2099 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2100 pkg.applicationInfo.dataDir = 2101 getDataPathForPackage(packageName, 0).getPath(); 2102 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2103 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2104 } 2105 return generatePackageInfo(pkg, flags, userId); 2106 } 2107 return null; 2108 } 2109 2110 @Override 2111 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2112 if (!sUserManager.exists(userId)) return null; 2113 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2114 // writer 2115 synchronized (mPackages) { 2116 PackageParser.Package p = mPackages.get(packageName); 2117 if (DEBUG_PACKAGE_INFO) Log.v( 2118 TAG, "getApplicationInfo " + packageName 2119 + ": " + p); 2120 if (p != null) { 2121 PackageSetting ps = mSettings.mPackages.get(packageName); 2122 if (ps == null) return null; 2123 // Note: isEnabledLP() does not apply here - always return info 2124 return PackageParser.generateApplicationInfo( 2125 p, flags, ps.readUserState(userId), userId); 2126 } 2127 if ("android".equals(packageName)||"system".equals(packageName)) { 2128 return mAndroidApplication; 2129 } 2130 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2131 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2132 } 2133 } 2134 return null; 2135 } 2136 2137 2138 @Override 2139 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2140 mContext.enforceCallingOrSelfPermission( 2141 android.Manifest.permission.CLEAR_APP_CACHE, null); 2142 // Queue up an async operation since clearing cache may take a little while. 2143 mHandler.post(new Runnable() { 2144 public void run() { 2145 mHandler.removeCallbacks(this); 2146 int retCode = -1; 2147 synchronized (mInstallLock) { 2148 retCode = mInstaller.freeCache(freeStorageSize); 2149 if (retCode < 0) { 2150 Slog.w(TAG, "Couldn't clear application caches"); 2151 } 2152 } 2153 if (observer != null) { 2154 try { 2155 observer.onRemoveCompleted(null, (retCode >= 0)); 2156 } catch (RemoteException e) { 2157 Slog.w(TAG, "RemoveException when invoking call back"); 2158 } 2159 } 2160 } 2161 }); 2162 } 2163 2164 @Override 2165 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2166 mContext.enforceCallingOrSelfPermission( 2167 android.Manifest.permission.CLEAR_APP_CACHE, null); 2168 // Queue up an async operation since clearing cache may take a little while. 2169 mHandler.post(new Runnable() { 2170 public void run() { 2171 mHandler.removeCallbacks(this); 2172 int retCode = -1; 2173 synchronized (mInstallLock) { 2174 retCode = mInstaller.freeCache(freeStorageSize); 2175 if (retCode < 0) { 2176 Slog.w(TAG, "Couldn't clear application caches"); 2177 } 2178 } 2179 if(pi != null) { 2180 try { 2181 // Callback via pending intent 2182 int code = (retCode >= 0) ? 1 : 0; 2183 pi.sendIntent(null, code, null, 2184 null, null); 2185 } catch (SendIntentException e1) { 2186 Slog.i(TAG, "Failed to send pending intent"); 2187 } 2188 } 2189 } 2190 }); 2191 } 2192 2193 void freeStorage(long freeStorageSize) throws IOException { 2194 synchronized (mInstallLock) { 2195 if (mInstaller.freeCache(freeStorageSize) < 0) { 2196 throw new IOException("Failed to free enough space"); 2197 } 2198 } 2199 } 2200 2201 @Override 2202 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2203 if (!sUserManager.exists(userId)) return null; 2204 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2205 synchronized (mPackages) { 2206 PackageParser.Activity a = mActivities.mActivities.get(component); 2207 2208 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2209 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2210 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2211 if (ps == null) return null; 2212 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2213 userId); 2214 } 2215 if (mResolveComponentName.equals(component)) { 2216 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2217 new PackageUserState(), userId); 2218 } 2219 } 2220 return null; 2221 } 2222 2223 @Override 2224 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2225 String resolvedType) { 2226 synchronized (mPackages) { 2227 PackageParser.Activity a = mActivities.mActivities.get(component); 2228 if (a == null) { 2229 return false; 2230 } 2231 for (int i=0; i<a.intents.size(); i++) { 2232 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2233 intent.getData(), intent.getCategories(), TAG) >= 0) { 2234 return true; 2235 } 2236 } 2237 return false; 2238 } 2239 } 2240 2241 @Override 2242 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2243 if (!sUserManager.exists(userId)) return null; 2244 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2245 synchronized (mPackages) { 2246 PackageParser.Activity a = mReceivers.mActivities.get(component); 2247 if (DEBUG_PACKAGE_INFO) Log.v( 2248 TAG, "getReceiverInfo " + component + ": " + a); 2249 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2250 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2251 if (ps == null) return null; 2252 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2253 userId); 2254 } 2255 } 2256 return null; 2257 } 2258 2259 @Override 2260 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2261 if (!sUserManager.exists(userId)) return null; 2262 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2263 synchronized (mPackages) { 2264 PackageParser.Service s = mServices.mServices.get(component); 2265 if (DEBUG_PACKAGE_INFO) Log.v( 2266 TAG, "getServiceInfo " + component + ": " + s); 2267 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2268 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2269 if (ps == null) return null; 2270 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2271 userId); 2272 } 2273 } 2274 return null; 2275 } 2276 2277 @Override 2278 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2279 if (!sUserManager.exists(userId)) return null; 2280 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2281 synchronized (mPackages) { 2282 PackageParser.Provider p = mProviders.mProviders.get(component); 2283 if (DEBUG_PACKAGE_INFO) Log.v( 2284 TAG, "getProviderInfo " + component + ": " + p); 2285 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2286 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2287 if (ps == null) return null; 2288 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2289 userId); 2290 } 2291 } 2292 return null; 2293 } 2294 2295 @Override 2296 public String[] getSystemSharedLibraryNames() { 2297 Set<String> libSet; 2298 synchronized (mPackages) { 2299 libSet = mSharedLibraries.keySet(); 2300 int size = libSet.size(); 2301 if (size > 0) { 2302 String[] libs = new String[size]; 2303 libSet.toArray(libs); 2304 return libs; 2305 } 2306 } 2307 return null; 2308 } 2309 2310 @Override 2311 public FeatureInfo[] getSystemAvailableFeatures() { 2312 Collection<FeatureInfo> featSet; 2313 synchronized (mPackages) { 2314 featSet = mAvailableFeatures.values(); 2315 int size = featSet.size(); 2316 if (size > 0) { 2317 FeatureInfo[] features = new FeatureInfo[size+1]; 2318 featSet.toArray(features); 2319 FeatureInfo fi = new FeatureInfo(); 2320 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2321 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2322 features[size] = fi; 2323 return features; 2324 } 2325 } 2326 return null; 2327 } 2328 2329 @Override 2330 public boolean hasSystemFeature(String name) { 2331 synchronized (mPackages) { 2332 return mAvailableFeatures.containsKey(name); 2333 } 2334 } 2335 2336 private void checkValidCaller(int uid, int userId) { 2337 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2338 return; 2339 2340 throw new SecurityException("Caller uid=" + uid 2341 + " is not privileged to communicate with user=" + userId); 2342 } 2343 2344 @Override 2345 public int checkPermission(String permName, String pkgName) { 2346 synchronized (mPackages) { 2347 PackageParser.Package p = mPackages.get(pkgName); 2348 if (p != null && p.mExtras != null) { 2349 PackageSetting ps = (PackageSetting)p.mExtras; 2350 if (ps.sharedUser != null) { 2351 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2352 return PackageManager.PERMISSION_GRANTED; 2353 } 2354 } else if (ps.grantedPermissions.contains(permName)) { 2355 return PackageManager.PERMISSION_GRANTED; 2356 } 2357 } 2358 } 2359 return PackageManager.PERMISSION_DENIED; 2360 } 2361 2362 @Override 2363 public int checkUidPermission(String permName, int uid) { 2364 synchronized (mPackages) { 2365 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2366 if (obj != null) { 2367 GrantedPermissions gp = (GrantedPermissions)obj; 2368 if (gp.grantedPermissions.contains(permName)) { 2369 return PackageManager.PERMISSION_GRANTED; 2370 } 2371 } else { 2372 HashSet<String> perms = mSystemPermissions.get(uid); 2373 if (perms != null && perms.contains(permName)) { 2374 return PackageManager.PERMISSION_GRANTED; 2375 } 2376 } 2377 } 2378 return PackageManager.PERMISSION_DENIED; 2379 } 2380 2381 /** 2382 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2383 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2384 * @param checkShell TODO(yamasani): 2385 * @param message the message to log on security exception 2386 */ 2387 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2388 boolean checkShell, String message) { 2389 if (userId < 0) { 2390 throw new IllegalArgumentException("Invalid userId " + userId); 2391 } 2392 if (checkShell) { 2393 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2394 } 2395 if (userId == UserHandle.getUserId(callingUid)) return; 2396 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2397 if (requireFullPermission) { 2398 mContext.enforceCallingOrSelfPermission( 2399 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2400 } else { 2401 try { 2402 mContext.enforceCallingOrSelfPermission( 2403 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2404 } catch (SecurityException se) { 2405 mContext.enforceCallingOrSelfPermission( 2406 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2407 } 2408 } 2409 } 2410 } 2411 2412 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2413 if (callingUid == Process.SHELL_UID) { 2414 if (userHandle >= 0 2415 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2416 throw new SecurityException("Shell does not have permission to access user " 2417 + userHandle); 2418 } else if (userHandle < 0) { 2419 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2420 + Debug.getCallers(3)); 2421 } 2422 } 2423 } 2424 2425 private BasePermission findPermissionTreeLP(String permName) { 2426 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2427 if (permName.startsWith(bp.name) && 2428 permName.length() > bp.name.length() && 2429 permName.charAt(bp.name.length()) == '.') { 2430 return bp; 2431 } 2432 } 2433 return null; 2434 } 2435 2436 private BasePermission checkPermissionTreeLP(String permName) { 2437 if (permName != null) { 2438 BasePermission bp = findPermissionTreeLP(permName); 2439 if (bp != null) { 2440 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2441 return bp; 2442 } 2443 throw new SecurityException("Calling uid " 2444 + Binder.getCallingUid() 2445 + " is not allowed to add to permission tree " 2446 + bp.name + " owned by uid " + bp.uid); 2447 } 2448 } 2449 throw new SecurityException("No permission tree found for " + permName); 2450 } 2451 2452 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2453 if (s1 == null) { 2454 return s2 == null; 2455 } 2456 if (s2 == null) { 2457 return false; 2458 } 2459 if (s1.getClass() != s2.getClass()) { 2460 return false; 2461 } 2462 return s1.equals(s2); 2463 } 2464 2465 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2466 if (pi1.icon != pi2.icon) return false; 2467 if (pi1.logo != pi2.logo) return false; 2468 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2469 if (!compareStrings(pi1.name, pi2.name)) return false; 2470 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2471 // We'll take care of setting this one. 2472 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2473 // These are not currently stored in settings. 2474 //if (!compareStrings(pi1.group, pi2.group)) return false; 2475 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2476 //if (pi1.labelRes != pi2.labelRes) return false; 2477 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2478 return true; 2479 } 2480 2481 int permissionInfoFootprint(PermissionInfo info) { 2482 int size = info.name.length(); 2483 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2484 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2485 return size; 2486 } 2487 2488 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2489 int size = 0; 2490 for (BasePermission perm : mSettings.mPermissions.values()) { 2491 if (perm.uid == tree.uid) { 2492 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2493 } 2494 } 2495 return size; 2496 } 2497 2498 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2499 // We calculate the max size of permissions defined by this uid and throw 2500 // if that plus the size of 'info' would exceed our stated maximum. 2501 if (tree.uid != Process.SYSTEM_UID) { 2502 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2503 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2504 throw new SecurityException("Permission tree size cap exceeded"); 2505 } 2506 } 2507 } 2508 2509 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2510 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2511 throw new SecurityException("Label must be specified in permission"); 2512 } 2513 BasePermission tree = checkPermissionTreeLP(info.name); 2514 BasePermission bp = mSettings.mPermissions.get(info.name); 2515 boolean added = bp == null; 2516 boolean changed = true; 2517 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2518 if (added) { 2519 enforcePermissionCapLocked(info, tree); 2520 bp = new BasePermission(info.name, tree.sourcePackage, 2521 BasePermission.TYPE_DYNAMIC); 2522 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2523 throw new SecurityException( 2524 "Not allowed to modify non-dynamic permission " 2525 + info.name); 2526 } else { 2527 if (bp.protectionLevel == fixedLevel 2528 && bp.perm.owner.equals(tree.perm.owner) 2529 && bp.uid == tree.uid 2530 && comparePermissionInfos(bp.perm.info, info)) { 2531 changed = false; 2532 } 2533 } 2534 bp.protectionLevel = fixedLevel; 2535 info = new PermissionInfo(info); 2536 info.protectionLevel = fixedLevel; 2537 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2538 bp.perm.info.packageName = tree.perm.info.packageName; 2539 bp.uid = tree.uid; 2540 if (added) { 2541 mSettings.mPermissions.put(info.name, bp); 2542 } 2543 if (changed) { 2544 if (!async) { 2545 mSettings.writeLPr(); 2546 } else { 2547 scheduleWriteSettingsLocked(); 2548 } 2549 } 2550 return added; 2551 } 2552 2553 @Override 2554 public boolean addPermission(PermissionInfo info) { 2555 synchronized (mPackages) { 2556 return addPermissionLocked(info, false); 2557 } 2558 } 2559 2560 @Override 2561 public boolean addPermissionAsync(PermissionInfo info) { 2562 synchronized (mPackages) { 2563 return addPermissionLocked(info, true); 2564 } 2565 } 2566 2567 @Override 2568 public void removePermission(String name) { 2569 synchronized (mPackages) { 2570 checkPermissionTreeLP(name); 2571 BasePermission bp = mSettings.mPermissions.get(name); 2572 if (bp != null) { 2573 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2574 throw new SecurityException( 2575 "Not allowed to modify non-dynamic permission " 2576 + name); 2577 } 2578 mSettings.mPermissions.remove(name); 2579 mSettings.writeLPr(); 2580 } 2581 } 2582 } 2583 2584 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2585 int index = pkg.requestedPermissions.indexOf(bp.name); 2586 if (index == -1) { 2587 throw new SecurityException("Package " + pkg.packageName 2588 + " has not requested permission " + bp.name); 2589 } 2590 boolean isNormal = 2591 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2592 == PermissionInfo.PROTECTION_NORMAL); 2593 boolean isDangerous = 2594 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2595 == PermissionInfo.PROTECTION_DANGEROUS); 2596 boolean isDevelopment = 2597 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2598 2599 if (!isNormal && !isDangerous && !isDevelopment) { 2600 throw new SecurityException("Permission " + bp.name 2601 + " is not a changeable permission type"); 2602 } 2603 2604 if (isNormal || isDangerous) { 2605 if (pkg.requestedPermissionsRequired.get(index)) { 2606 throw new SecurityException("Can't change " + bp.name 2607 + ". It is required by the application"); 2608 } 2609 } 2610 } 2611 2612 @Override 2613 public void grantPermission(String packageName, String permissionName) { 2614 mContext.enforceCallingOrSelfPermission( 2615 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2616 synchronized (mPackages) { 2617 final PackageParser.Package pkg = mPackages.get(packageName); 2618 if (pkg == null) { 2619 throw new IllegalArgumentException("Unknown package: " + packageName); 2620 } 2621 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2622 if (bp == null) { 2623 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2624 } 2625 2626 checkGrantRevokePermissions(pkg, bp); 2627 2628 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2629 if (ps == null) { 2630 return; 2631 } 2632 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2633 if (gp.grantedPermissions.add(permissionName)) { 2634 if (ps.haveGids) { 2635 gp.gids = appendInts(gp.gids, bp.gids); 2636 } 2637 mSettings.writeLPr(); 2638 } 2639 } 2640 } 2641 2642 @Override 2643 public void revokePermission(String packageName, String permissionName) { 2644 int changedAppId = -1; 2645 2646 synchronized (mPackages) { 2647 final PackageParser.Package pkg = mPackages.get(packageName); 2648 if (pkg == null) { 2649 throw new IllegalArgumentException("Unknown package: " + packageName); 2650 } 2651 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2652 mContext.enforceCallingOrSelfPermission( 2653 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2654 } 2655 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2656 if (bp == null) { 2657 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2658 } 2659 2660 checkGrantRevokePermissions(pkg, bp); 2661 2662 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2663 if (ps == null) { 2664 return; 2665 } 2666 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2667 if (gp.grantedPermissions.remove(permissionName)) { 2668 gp.grantedPermissions.remove(permissionName); 2669 if (ps.haveGids) { 2670 gp.gids = removeInts(gp.gids, bp.gids); 2671 } 2672 mSettings.writeLPr(); 2673 changedAppId = ps.appId; 2674 } 2675 } 2676 2677 if (changedAppId >= 0) { 2678 // We changed the perm on someone, kill its processes. 2679 IActivityManager am = ActivityManagerNative.getDefault(); 2680 if (am != null) { 2681 final int callingUserId = UserHandle.getCallingUserId(); 2682 final long ident = Binder.clearCallingIdentity(); 2683 try { 2684 //XXX we should only revoke for the calling user's app permissions, 2685 // but for now we impact all users. 2686 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2687 // "revoke " + permissionName); 2688 int[] users = sUserManager.getUserIds(); 2689 for (int user : users) { 2690 am.killUid(UserHandle.getUid(user, changedAppId), 2691 "revoke " + permissionName); 2692 } 2693 } catch (RemoteException e) { 2694 } finally { 2695 Binder.restoreCallingIdentity(ident); 2696 } 2697 } 2698 } 2699 } 2700 2701 @Override 2702 public boolean isProtectedBroadcast(String actionName) { 2703 synchronized (mPackages) { 2704 return mProtectedBroadcasts.contains(actionName); 2705 } 2706 } 2707 2708 @Override 2709 public int checkSignatures(String pkg1, String pkg2) { 2710 synchronized (mPackages) { 2711 final PackageParser.Package p1 = mPackages.get(pkg1); 2712 final PackageParser.Package p2 = mPackages.get(pkg2); 2713 if (p1 == null || p1.mExtras == null 2714 || p2 == null || p2.mExtras == null) { 2715 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2716 } 2717 return compareSignatures(p1.mSignatures, p2.mSignatures); 2718 } 2719 } 2720 2721 @Override 2722 public int checkUidSignatures(int uid1, int uid2) { 2723 // Map to base uids. 2724 uid1 = UserHandle.getAppId(uid1); 2725 uid2 = UserHandle.getAppId(uid2); 2726 // reader 2727 synchronized (mPackages) { 2728 Signature[] s1; 2729 Signature[] s2; 2730 Object obj = mSettings.getUserIdLPr(uid1); 2731 if (obj != null) { 2732 if (obj instanceof SharedUserSetting) { 2733 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2734 } else if (obj instanceof PackageSetting) { 2735 s1 = ((PackageSetting)obj).signatures.mSignatures; 2736 } else { 2737 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2738 } 2739 } else { 2740 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2741 } 2742 obj = mSettings.getUserIdLPr(uid2); 2743 if (obj != null) { 2744 if (obj instanceof SharedUserSetting) { 2745 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2746 } else if (obj instanceof PackageSetting) { 2747 s2 = ((PackageSetting)obj).signatures.mSignatures; 2748 } else { 2749 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2750 } 2751 } else { 2752 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2753 } 2754 return compareSignatures(s1, s2); 2755 } 2756 } 2757 2758 /** 2759 * Compares two sets of signatures. Returns: 2760 * <br /> 2761 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2762 * <br /> 2763 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2764 * <br /> 2765 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2766 * <br /> 2767 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2768 * <br /> 2769 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2770 */ 2771 static int compareSignatures(Signature[] s1, Signature[] s2) { 2772 if (s1 == null) { 2773 return s2 == null 2774 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2775 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2776 } 2777 2778 if (s2 == null) { 2779 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2780 } 2781 2782 if (s1.length != s2.length) { 2783 return PackageManager.SIGNATURE_NO_MATCH; 2784 } 2785 2786 // Since both signature sets are of size 1, we can compare without HashSets. 2787 if (s1.length == 1) { 2788 return s1[0].equals(s2[0]) ? 2789 PackageManager.SIGNATURE_MATCH : 2790 PackageManager.SIGNATURE_NO_MATCH; 2791 } 2792 2793 HashSet<Signature> set1 = new HashSet<Signature>(); 2794 for (Signature sig : s1) { 2795 set1.add(sig); 2796 } 2797 HashSet<Signature> set2 = new HashSet<Signature>(); 2798 for (Signature sig : s2) { 2799 set2.add(sig); 2800 } 2801 // Make sure s2 contains all signatures in s1. 2802 if (set1.equals(set2)) { 2803 return PackageManager.SIGNATURE_MATCH; 2804 } 2805 return PackageManager.SIGNATURE_NO_MATCH; 2806 } 2807 2808 /** 2809 * If the database version for this type of package (internal storage or 2810 * external storage) is less than the version where package signatures 2811 * were updated, return true. 2812 */ 2813 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2814 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2815 DatabaseVersion.SIGNATURE_END_ENTITY)) 2816 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2817 DatabaseVersion.SIGNATURE_END_ENTITY)); 2818 } 2819 2820 /** 2821 * Used for backward compatibility to make sure any packages with 2822 * certificate chains get upgraded to the new style. {@code existingSigs} 2823 * will be in the old format (since they were stored on disk from before the 2824 * system upgrade) and {@code scannedSigs} will be in the newer format. 2825 */ 2826 private int compareSignaturesCompat(PackageSignatures existingSigs, 2827 PackageParser.Package scannedPkg) { 2828 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2829 return PackageManager.SIGNATURE_NO_MATCH; 2830 } 2831 2832 HashSet<Signature> existingSet = new HashSet<Signature>(); 2833 for (Signature sig : existingSigs.mSignatures) { 2834 existingSet.add(sig); 2835 } 2836 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2837 for (Signature sig : scannedPkg.mSignatures) { 2838 try { 2839 Signature[] chainSignatures = sig.getChainSignatures(); 2840 for (Signature chainSig : chainSignatures) { 2841 scannedCompatSet.add(chainSig); 2842 } 2843 } catch (CertificateEncodingException e) { 2844 scannedCompatSet.add(sig); 2845 } 2846 } 2847 /* 2848 * Make sure the expanded scanned set contains all signatures in the 2849 * existing one. 2850 */ 2851 if (scannedCompatSet.equals(existingSet)) { 2852 // Migrate the old signatures to the new scheme. 2853 existingSigs.assignSignatures(scannedPkg.mSignatures); 2854 // The new KeySets will be re-added later in the scanning process. 2855 synchronized (mPackages) { 2856 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2857 } 2858 return PackageManager.SIGNATURE_MATCH; 2859 } 2860 return PackageManager.SIGNATURE_NO_MATCH; 2861 } 2862 2863 @Override 2864 public String[] getPackagesForUid(int uid) { 2865 uid = UserHandle.getAppId(uid); 2866 // reader 2867 synchronized (mPackages) { 2868 Object obj = mSettings.getUserIdLPr(uid); 2869 if (obj instanceof SharedUserSetting) { 2870 final SharedUserSetting sus = (SharedUserSetting) obj; 2871 final int N = sus.packages.size(); 2872 final String[] res = new String[N]; 2873 final Iterator<PackageSetting> it = sus.packages.iterator(); 2874 int i = 0; 2875 while (it.hasNext()) { 2876 res[i++] = it.next().name; 2877 } 2878 return res; 2879 } else if (obj instanceof PackageSetting) { 2880 final PackageSetting ps = (PackageSetting) obj; 2881 return new String[] { ps.name }; 2882 } 2883 } 2884 return null; 2885 } 2886 2887 @Override 2888 public String getNameForUid(int uid) { 2889 // reader 2890 synchronized (mPackages) { 2891 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2892 if (obj instanceof SharedUserSetting) { 2893 final SharedUserSetting sus = (SharedUserSetting) obj; 2894 return sus.name + ":" + sus.userId; 2895 } else if (obj instanceof PackageSetting) { 2896 final PackageSetting ps = (PackageSetting) obj; 2897 return ps.name; 2898 } 2899 } 2900 return null; 2901 } 2902 2903 @Override 2904 public int getUidForSharedUser(String sharedUserName) { 2905 if(sharedUserName == null) { 2906 return -1; 2907 } 2908 // reader 2909 synchronized (mPackages) { 2910 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2911 if (suid == null) { 2912 return -1; 2913 } 2914 return suid.userId; 2915 } 2916 } 2917 2918 @Override 2919 public int getFlagsForUid(int uid) { 2920 synchronized (mPackages) { 2921 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2922 if (obj instanceof SharedUserSetting) { 2923 final SharedUserSetting sus = (SharedUserSetting) obj; 2924 return sus.pkgFlags; 2925 } else if (obj instanceof PackageSetting) { 2926 final PackageSetting ps = (PackageSetting) obj; 2927 return ps.pkgFlags; 2928 } 2929 } 2930 return 0; 2931 } 2932 2933 @Override 2934 public boolean isUidPrivileged(int uid) { 2935 uid = UserHandle.getAppId(uid); 2936 // reader 2937 synchronized (mPackages) { 2938 Object obj = mSettings.getUserIdLPr(uid); 2939 if (obj instanceof SharedUserSetting) { 2940 final SharedUserSetting sus = (SharedUserSetting) obj; 2941 final Iterator<PackageSetting> it = sus.packages.iterator(); 2942 while (it.hasNext()) { 2943 if (it.next().isPrivileged()) { 2944 return true; 2945 } 2946 } 2947 } else if (obj instanceof PackageSetting) { 2948 final PackageSetting ps = (PackageSetting) obj; 2949 return ps.isPrivileged(); 2950 } 2951 } 2952 return false; 2953 } 2954 2955 @Override 2956 public String[] getAppOpPermissionPackages(String permissionName) { 2957 synchronized (mPackages) { 2958 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2959 if (pkgs == null) { 2960 return null; 2961 } 2962 return pkgs.toArray(new String[pkgs.size()]); 2963 } 2964 } 2965 2966 @Override 2967 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2968 int flags, int userId) { 2969 if (!sUserManager.exists(userId)) return null; 2970 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 2971 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2972 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2973 } 2974 2975 @Override 2976 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2977 IntentFilter filter, int match, ComponentName activity) { 2978 final int userId = UserHandle.getCallingUserId(); 2979 if (DEBUG_PREFERRED) { 2980 Log.v(TAG, "setLastChosenActivity intent=" + intent 2981 + " resolvedType=" + resolvedType 2982 + " flags=" + flags 2983 + " filter=" + filter 2984 + " match=" + match 2985 + " activity=" + activity); 2986 filter.dump(new PrintStreamPrinter(System.out), " "); 2987 } 2988 intent.setComponent(null); 2989 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2990 // Find any earlier preferred or last chosen entries and nuke them 2991 findPreferredActivity(intent, resolvedType, 2992 flags, query, 0, false, true, false, userId); 2993 // Add the new activity as the last chosen for this filter 2994 addPreferredActivityInternal(filter, match, null, activity, false, userId, 2995 "Setting last chosen"); 2996 } 2997 2998 @Override 2999 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3000 final int userId = UserHandle.getCallingUserId(); 3001 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3002 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3003 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3004 false, false, false, userId); 3005 } 3006 3007 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3008 int flags, List<ResolveInfo> query, int userId) { 3009 if (query != null) { 3010 final int N = query.size(); 3011 if (N == 1) { 3012 return query.get(0); 3013 } else if (N > 1) { 3014 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3015 // If there is more than one activity with the same priority, 3016 // then let the user decide between them. 3017 ResolveInfo r0 = query.get(0); 3018 ResolveInfo r1 = query.get(1); 3019 if (DEBUG_INTENT_MATCHING || debug) { 3020 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3021 + r1.activityInfo.name + "=" + r1.priority); 3022 } 3023 // If the first activity has a higher priority, or a different 3024 // default, then it is always desireable to pick it. 3025 if (r0.priority != r1.priority 3026 || r0.preferredOrder != r1.preferredOrder 3027 || r0.isDefault != r1.isDefault) { 3028 return query.get(0); 3029 } 3030 // If we have saved a preference for a preferred activity for 3031 // this Intent, use that. 3032 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3033 flags, query, r0.priority, true, false, debug, userId); 3034 if (ri != null) { 3035 return ri; 3036 } 3037 if (userId != 0) { 3038 ri = new ResolveInfo(mResolveInfo); 3039 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3040 ri.activityInfo.applicationInfo = new ApplicationInfo( 3041 ri.activityInfo.applicationInfo); 3042 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3043 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3044 return ri; 3045 } 3046 return mResolveInfo; 3047 } 3048 } 3049 return null; 3050 } 3051 3052 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3053 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3054 final int N = query.size(); 3055 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3056 .get(userId); 3057 // Get the list of persistent preferred activities that handle the intent 3058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3059 List<PersistentPreferredActivity> pprefs = ppir != null 3060 ? ppir.queryIntent(intent, resolvedType, 3061 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3062 : null; 3063 if (pprefs != null && pprefs.size() > 0) { 3064 final int M = pprefs.size(); 3065 for (int i=0; i<M; i++) { 3066 final PersistentPreferredActivity ppa = pprefs.get(i); 3067 if (DEBUG_PREFERRED || debug) { 3068 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3069 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3070 + "\n component=" + ppa.mComponent); 3071 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3072 } 3073 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3074 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3075 if (DEBUG_PREFERRED || debug) { 3076 Slog.v(TAG, "Found persistent preferred activity:"); 3077 if (ai != null) { 3078 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3079 } else { 3080 Slog.v(TAG, " null"); 3081 } 3082 } 3083 if (ai == null) { 3084 // This previously registered persistent preferred activity 3085 // component is no longer known. Ignore it and do NOT remove it. 3086 continue; 3087 } 3088 for (int j=0; j<N; j++) { 3089 final ResolveInfo ri = query.get(j); 3090 if (!ri.activityInfo.applicationInfo.packageName 3091 .equals(ai.applicationInfo.packageName)) { 3092 continue; 3093 } 3094 if (!ri.activityInfo.name.equals(ai.name)) { 3095 continue; 3096 } 3097 // Found a persistent preference that can handle the intent. 3098 if (DEBUG_PREFERRED || debug) { 3099 Slog.v(TAG, "Returning persistent preferred activity: " + 3100 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3101 } 3102 return ri; 3103 } 3104 } 3105 } 3106 return null; 3107 } 3108 3109 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3110 List<ResolveInfo> query, int priority, boolean always, 3111 boolean removeMatches, boolean debug, int userId) { 3112 if (!sUserManager.exists(userId)) return null; 3113 // writer 3114 synchronized (mPackages) { 3115 if (intent.getSelector() != null) { 3116 intent = intent.getSelector(); 3117 } 3118 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3119 3120 // Try to find a matching persistent preferred activity. 3121 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3122 debug, userId); 3123 3124 // If a persistent preferred activity matched, use it. 3125 if (pri != null) { 3126 return pri; 3127 } 3128 3129 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3130 // Get the list of preferred activities that handle the intent 3131 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3132 List<PreferredActivity> prefs = pir != null 3133 ? pir.queryIntent(intent, resolvedType, 3134 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3135 : null; 3136 if (prefs != null && prefs.size() > 0) { 3137 boolean changed = false; 3138 try { 3139 // First figure out how good the original match set is. 3140 // We will only allow preferred activities that came 3141 // from the same match quality. 3142 int match = 0; 3143 3144 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3145 3146 final int N = query.size(); 3147 for (int j=0; j<N; j++) { 3148 final ResolveInfo ri = query.get(j); 3149 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3150 + ": 0x" + Integer.toHexString(match)); 3151 if (ri.match > match) { 3152 match = ri.match; 3153 } 3154 } 3155 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3157 + Integer.toHexString(match)); 3158 3159 match &= IntentFilter.MATCH_CATEGORY_MASK; 3160 final int M = prefs.size(); 3161 for (int i=0; i<M; i++) { 3162 final PreferredActivity pa = prefs.get(i); 3163 if (DEBUG_PREFERRED || debug) { 3164 Slog.v(TAG, "Checking PreferredActivity ds=" 3165 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3166 + "\n component=" + pa.mPref.mComponent); 3167 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3168 } 3169 if (pa.mPref.mMatch != match) { 3170 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3171 + Integer.toHexString(pa.mPref.mMatch)); 3172 continue; 3173 } 3174 // If it's not an "always" type preferred activity and that's what we're 3175 // looking for, skip it. 3176 if (always && !pa.mPref.mAlways) { 3177 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3178 continue; 3179 } 3180 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3181 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3182 if (DEBUG_PREFERRED || debug) { 3183 Slog.v(TAG, "Found preferred activity:"); 3184 if (ai != null) { 3185 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3186 } else { 3187 Slog.v(TAG, " null"); 3188 } 3189 } 3190 if (ai == null) { 3191 // This previously registered preferred activity 3192 // component is no longer known. Most likely an update 3193 // to the app was installed and in the new version this 3194 // component no longer exists. Clean it up by removing 3195 // it from the preferred activities list, and skip it. 3196 Slog.w(TAG, "Removing dangling preferred activity: " 3197 + pa.mPref.mComponent); 3198 pir.removeFilter(pa); 3199 changed = true; 3200 continue; 3201 } 3202 for (int j=0; j<N; j++) { 3203 final ResolveInfo ri = query.get(j); 3204 if (!ri.activityInfo.applicationInfo.packageName 3205 .equals(ai.applicationInfo.packageName)) { 3206 continue; 3207 } 3208 if (!ri.activityInfo.name.equals(ai.name)) { 3209 continue; 3210 } 3211 3212 if (removeMatches) { 3213 pir.removeFilter(pa); 3214 changed = true; 3215 if (DEBUG_PREFERRED) { 3216 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3217 } 3218 break; 3219 } 3220 3221 // Okay we found a previously set preferred or last chosen app. 3222 // If the result set is different from when this 3223 // was created, we need to clear it and re-ask the 3224 // user their preference, if we're looking for an "always" type entry. 3225 if (always && !pa.mPref.sameSet(query, priority)) { 3226 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3227 + intent + " type " + resolvedType); 3228 if (DEBUG_PREFERRED) { 3229 Slog.v(TAG, "Removing preferred activity since set changed " 3230 + pa.mPref.mComponent); 3231 } 3232 pir.removeFilter(pa); 3233 // Re-add the filter as a "last chosen" entry (!always) 3234 PreferredActivity lastChosen = new PreferredActivity( 3235 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3236 pir.addFilter(lastChosen); 3237 changed = true; 3238 return null; 3239 } 3240 3241 // Yay! Either the set matched or we're looking for the last chosen 3242 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3243 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3244 return ri; 3245 } 3246 } 3247 } finally { 3248 if (changed) { 3249 if (DEBUG_PREFERRED) { 3250 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3251 } 3252 mSettings.writePackageRestrictionsLPr(userId); 3253 } 3254 } 3255 } 3256 } 3257 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3258 return null; 3259 } 3260 3261 /* 3262 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3263 */ 3264 @Override 3265 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3266 int targetUserId) { 3267 mContext.enforceCallingOrSelfPermission( 3268 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3269 List<CrossProfileIntentFilter> matches = 3270 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3271 if (matches != null) { 3272 int size = matches.size(); 3273 for (int i = 0; i < size; i++) { 3274 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3275 } 3276 } 3277 return false; 3278 } 3279 3280 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3281 String resolvedType, int userId) { 3282 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3283 if (resolver != null) { 3284 return resolver.queryIntent(intent, resolvedType, false, userId); 3285 } 3286 return null; 3287 } 3288 3289 @Override 3290 public List<ResolveInfo> queryIntentActivities(Intent intent, 3291 String resolvedType, int flags, int userId) { 3292 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3293 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3294 ComponentName comp = intent.getComponent(); 3295 if (comp == null) { 3296 if (intent.getSelector() != null) { 3297 intent = intent.getSelector(); 3298 comp = intent.getComponent(); 3299 } 3300 } 3301 3302 if (comp != null) { 3303 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3304 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3305 if (ai != null) { 3306 final ResolveInfo ri = new ResolveInfo(); 3307 ri.activityInfo = ai; 3308 list.add(ri); 3309 } 3310 return list; 3311 } 3312 3313 // reader 3314 synchronized (mPackages) { 3315 final String pkgName = intent.getPackage(); 3316 if (pkgName == null) { 3317 List<CrossProfileIntentFilter> matchingFilters = 3318 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3319 // Check for results that need to skip the current profile. 3320 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3321 resolvedType, flags, userId); 3322 if (resolveInfo != null) { 3323 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3324 result.add(resolveInfo); 3325 return result; 3326 } 3327 // Check for cross profile results. 3328 resolveInfo = queryCrossProfileIntents( 3329 matchingFilters, intent, resolvedType, flags, userId); 3330 3331 // Check for results in the current profile. 3332 List<ResolveInfo> result = mActivities.queryIntent( 3333 intent, resolvedType, flags, userId); 3334 if (resolveInfo != null) { 3335 result.add(resolveInfo); 3336 Collections.sort(result, mResolvePrioritySorter); 3337 } 3338 return result; 3339 } 3340 final PackageParser.Package pkg = mPackages.get(pkgName); 3341 if (pkg != null) { 3342 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3343 pkg.activities, userId); 3344 } 3345 return new ArrayList<ResolveInfo>(); 3346 } 3347 } 3348 3349 private ResolveInfo querySkipCurrentProfileIntents( 3350 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3351 int flags, int sourceUserId) { 3352 if (matchingFilters != null) { 3353 int size = matchingFilters.size(); 3354 for (int i = 0; i < size; i ++) { 3355 CrossProfileIntentFilter filter = matchingFilters.get(i); 3356 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3357 // Checking if there are activities in the target user that can handle the 3358 // intent. 3359 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3360 flags, sourceUserId); 3361 if (resolveInfo != null) { 3362 return resolveInfo; 3363 } 3364 } 3365 } 3366 } 3367 return null; 3368 } 3369 3370 // Return matching ResolveInfo if any for skip current profile intent filters. 3371 private ResolveInfo queryCrossProfileIntents( 3372 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3373 int flags, int sourceUserId) { 3374 if (matchingFilters != null) { 3375 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3376 // match the same intent. For performance reasons, it is better not to 3377 // run queryIntent twice for the same userId 3378 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3379 int size = matchingFilters.size(); 3380 for (int i = 0; i < size; i++) { 3381 CrossProfileIntentFilter filter = matchingFilters.get(i); 3382 int targetUserId = filter.getTargetUserId(); 3383 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3384 && !alreadyTriedUserIds.get(targetUserId)) { 3385 // Checking if there are activities in the target user that can handle the 3386 // intent. 3387 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3388 flags, sourceUserId); 3389 if (resolveInfo != null) return resolveInfo; 3390 alreadyTriedUserIds.put(targetUserId, true); 3391 } 3392 } 3393 } 3394 return null; 3395 } 3396 3397 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3398 String resolvedType, int flags, int sourceUserId) { 3399 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3400 resolvedType, flags, filter.getTargetUserId()); 3401 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3402 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3403 } 3404 return null; 3405 } 3406 3407 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3408 int sourceUserId, int targetUserId) { 3409 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3410 String className; 3411 if (targetUserId == UserHandle.USER_OWNER) { 3412 className = FORWARD_INTENT_TO_USER_OWNER; 3413 } else { 3414 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3415 } 3416 ComponentName forwardingActivityComponentName = new ComponentName( 3417 mAndroidApplication.packageName, className); 3418 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3419 sourceUserId); 3420 if (targetUserId == UserHandle.USER_OWNER) { 3421 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3422 forwardingResolveInfo.noResourceId = true; 3423 } 3424 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3425 forwardingResolveInfo.priority = 0; 3426 forwardingResolveInfo.preferredOrder = 0; 3427 forwardingResolveInfo.match = 0; 3428 forwardingResolveInfo.isDefault = true; 3429 forwardingResolveInfo.filter = filter; 3430 forwardingResolveInfo.targetUserId = targetUserId; 3431 return forwardingResolveInfo; 3432 } 3433 3434 @Override 3435 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3436 Intent[] specifics, String[] specificTypes, Intent intent, 3437 String resolvedType, int flags, int userId) { 3438 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3439 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3440 false, "query intent activity options"); 3441 final String resultsAction = intent.getAction(); 3442 3443 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3444 | PackageManager.GET_RESOLVED_FILTER, userId); 3445 3446 if (DEBUG_INTENT_MATCHING) { 3447 Log.v(TAG, "Query " + intent + ": " + results); 3448 } 3449 3450 int specificsPos = 0; 3451 int N; 3452 3453 // todo: note that the algorithm used here is O(N^2). This 3454 // isn't a problem in our current environment, but if we start running 3455 // into situations where we have more than 5 or 10 matches then this 3456 // should probably be changed to something smarter... 3457 3458 // First we go through and resolve each of the specific items 3459 // that were supplied, taking care of removing any corresponding 3460 // duplicate items in the generic resolve list. 3461 if (specifics != null) { 3462 for (int i=0; i<specifics.length; i++) { 3463 final Intent sintent = specifics[i]; 3464 if (sintent == null) { 3465 continue; 3466 } 3467 3468 if (DEBUG_INTENT_MATCHING) { 3469 Log.v(TAG, "Specific #" + i + ": " + sintent); 3470 } 3471 3472 String action = sintent.getAction(); 3473 if (resultsAction != null && resultsAction.equals(action)) { 3474 // If this action was explicitly requested, then don't 3475 // remove things that have it. 3476 action = null; 3477 } 3478 3479 ResolveInfo ri = null; 3480 ActivityInfo ai = null; 3481 3482 ComponentName comp = sintent.getComponent(); 3483 if (comp == null) { 3484 ri = resolveIntent( 3485 sintent, 3486 specificTypes != null ? specificTypes[i] : null, 3487 flags, userId); 3488 if (ri == null) { 3489 continue; 3490 } 3491 if (ri == mResolveInfo) { 3492 // ACK! Must do something better with this. 3493 } 3494 ai = ri.activityInfo; 3495 comp = new ComponentName(ai.applicationInfo.packageName, 3496 ai.name); 3497 } else { 3498 ai = getActivityInfo(comp, flags, userId); 3499 if (ai == null) { 3500 continue; 3501 } 3502 } 3503 3504 // Look for any generic query activities that are duplicates 3505 // of this specific one, and remove them from the results. 3506 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3507 N = results.size(); 3508 int j; 3509 for (j=specificsPos; j<N; j++) { 3510 ResolveInfo sri = results.get(j); 3511 if ((sri.activityInfo.name.equals(comp.getClassName()) 3512 && sri.activityInfo.applicationInfo.packageName.equals( 3513 comp.getPackageName())) 3514 || (action != null && sri.filter.matchAction(action))) { 3515 results.remove(j); 3516 if (DEBUG_INTENT_MATCHING) Log.v( 3517 TAG, "Removing duplicate item from " + j 3518 + " due to specific " + specificsPos); 3519 if (ri == null) { 3520 ri = sri; 3521 } 3522 j--; 3523 N--; 3524 } 3525 } 3526 3527 // Add this specific item to its proper place. 3528 if (ri == null) { 3529 ri = new ResolveInfo(); 3530 ri.activityInfo = ai; 3531 } 3532 results.add(specificsPos, ri); 3533 ri.specificIndex = i; 3534 specificsPos++; 3535 } 3536 } 3537 3538 // Now we go through the remaining generic results and remove any 3539 // duplicate actions that are found here. 3540 N = results.size(); 3541 for (int i=specificsPos; i<N-1; i++) { 3542 final ResolveInfo rii = results.get(i); 3543 if (rii.filter == null) { 3544 continue; 3545 } 3546 3547 // Iterate over all of the actions of this result's intent 3548 // filter... typically this should be just one. 3549 final Iterator<String> it = rii.filter.actionsIterator(); 3550 if (it == null) { 3551 continue; 3552 } 3553 while (it.hasNext()) { 3554 final String action = it.next(); 3555 if (resultsAction != null && resultsAction.equals(action)) { 3556 // If this action was explicitly requested, then don't 3557 // remove things that have it. 3558 continue; 3559 } 3560 for (int j=i+1; j<N; j++) { 3561 final ResolveInfo rij = results.get(j); 3562 if (rij.filter != null && rij.filter.hasAction(action)) { 3563 results.remove(j); 3564 if (DEBUG_INTENT_MATCHING) Log.v( 3565 TAG, "Removing duplicate item from " + j 3566 + " due to action " + action + " at " + i); 3567 j--; 3568 N--; 3569 } 3570 } 3571 } 3572 3573 // If the caller didn't request filter information, drop it now 3574 // so we don't have to marshall/unmarshall it. 3575 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3576 rii.filter = null; 3577 } 3578 } 3579 3580 // Filter out the caller activity if so requested. 3581 if (caller != null) { 3582 N = results.size(); 3583 for (int i=0; i<N; i++) { 3584 ActivityInfo ainfo = results.get(i).activityInfo; 3585 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3586 && caller.getClassName().equals(ainfo.name)) { 3587 results.remove(i); 3588 break; 3589 } 3590 } 3591 } 3592 3593 // If the caller didn't request filter information, 3594 // drop them now so we don't have to 3595 // marshall/unmarshall it. 3596 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3597 N = results.size(); 3598 for (int i=0; i<N; i++) { 3599 results.get(i).filter = null; 3600 } 3601 } 3602 3603 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3604 return results; 3605 } 3606 3607 @Override 3608 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3609 int userId) { 3610 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3611 ComponentName comp = intent.getComponent(); 3612 if (comp == null) { 3613 if (intent.getSelector() != null) { 3614 intent = intent.getSelector(); 3615 comp = intent.getComponent(); 3616 } 3617 } 3618 if (comp != null) { 3619 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3620 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3621 if (ai != null) { 3622 ResolveInfo ri = new ResolveInfo(); 3623 ri.activityInfo = ai; 3624 list.add(ri); 3625 } 3626 return list; 3627 } 3628 3629 // reader 3630 synchronized (mPackages) { 3631 String pkgName = intent.getPackage(); 3632 if (pkgName == null) { 3633 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3634 } 3635 final PackageParser.Package pkg = mPackages.get(pkgName); 3636 if (pkg != null) { 3637 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3638 userId); 3639 } 3640 return null; 3641 } 3642 } 3643 3644 @Override 3645 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3646 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3647 if (!sUserManager.exists(userId)) return null; 3648 if (query != null) { 3649 if (query.size() >= 1) { 3650 // If there is more than one service with the same priority, 3651 // just arbitrarily pick the first one. 3652 return query.get(0); 3653 } 3654 } 3655 return null; 3656 } 3657 3658 @Override 3659 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3660 int userId) { 3661 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3662 ComponentName comp = intent.getComponent(); 3663 if (comp == null) { 3664 if (intent.getSelector() != null) { 3665 intent = intent.getSelector(); 3666 comp = intent.getComponent(); 3667 } 3668 } 3669 if (comp != null) { 3670 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3671 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3672 if (si != null) { 3673 final ResolveInfo ri = new ResolveInfo(); 3674 ri.serviceInfo = si; 3675 list.add(ri); 3676 } 3677 return list; 3678 } 3679 3680 // reader 3681 synchronized (mPackages) { 3682 String pkgName = intent.getPackage(); 3683 if (pkgName == null) { 3684 return mServices.queryIntent(intent, resolvedType, flags, userId); 3685 } 3686 final PackageParser.Package pkg = mPackages.get(pkgName); 3687 if (pkg != null) { 3688 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3689 userId); 3690 } 3691 return null; 3692 } 3693 } 3694 3695 @Override 3696 public List<ResolveInfo> queryIntentContentProviders( 3697 Intent intent, String resolvedType, int flags, int userId) { 3698 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3699 ComponentName comp = intent.getComponent(); 3700 if (comp == null) { 3701 if (intent.getSelector() != null) { 3702 intent = intent.getSelector(); 3703 comp = intent.getComponent(); 3704 } 3705 } 3706 if (comp != null) { 3707 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3708 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3709 if (pi != null) { 3710 final ResolveInfo ri = new ResolveInfo(); 3711 ri.providerInfo = pi; 3712 list.add(ri); 3713 } 3714 return list; 3715 } 3716 3717 // reader 3718 synchronized (mPackages) { 3719 String pkgName = intent.getPackage(); 3720 if (pkgName == null) { 3721 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3722 } 3723 final PackageParser.Package pkg = mPackages.get(pkgName); 3724 if (pkg != null) { 3725 return mProviders.queryIntentForPackage( 3726 intent, resolvedType, flags, pkg.providers, userId); 3727 } 3728 return null; 3729 } 3730 } 3731 3732 @Override 3733 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3734 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3735 3736 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3737 3738 // writer 3739 synchronized (mPackages) { 3740 ArrayList<PackageInfo> list; 3741 if (listUninstalled) { 3742 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3743 for (PackageSetting ps : mSettings.mPackages.values()) { 3744 PackageInfo pi; 3745 if (ps.pkg != null) { 3746 pi = generatePackageInfo(ps.pkg, flags, userId); 3747 } else { 3748 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3749 } 3750 if (pi != null) { 3751 list.add(pi); 3752 } 3753 } 3754 } else { 3755 list = new ArrayList<PackageInfo>(mPackages.size()); 3756 for (PackageParser.Package p : mPackages.values()) { 3757 PackageInfo pi = generatePackageInfo(p, flags, userId); 3758 if (pi != null) { 3759 list.add(pi); 3760 } 3761 } 3762 } 3763 3764 return new ParceledListSlice<PackageInfo>(list); 3765 } 3766 } 3767 3768 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3769 String[] permissions, boolean[] tmp, int flags, int userId) { 3770 int numMatch = 0; 3771 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3772 for (int i=0; i<permissions.length; i++) { 3773 if (gp.grantedPermissions.contains(permissions[i])) { 3774 tmp[i] = true; 3775 numMatch++; 3776 } else { 3777 tmp[i] = false; 3778 } 3779 } 3780 if (numMatch == 0) { 3781 return; 3782 } 3783 PackageInfo pi; 3784 if (ps.pkg != null) { 3785 pi = generatePackageInfo(ps.pkg, flags, userId); 3786 } else { 3787 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3788 } 3789 // The above might return null in cases of uninstalled apps or install-state 3790 // skew across users/profiles. 3791 if (pi != null) { 3792 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3793 if (numMatch == permissions.length) { 3794 pi.requestedPermissions = permissions; 3795 } else { 3796 pi.requestedPermissions = new String[numMatch]; 3797 numMatch = 0; 3798 for (int i=0; i<permissions.length; i++) { 3799 if (tmp[i]) { 3800 pi.requestedPermissions[numMatch] = permissions[i]; 3801 numMatch++; 3802 } 3803 } 3804 } 3805 } 3806 list.add(pi); 3807 } 3808 } 3809 3810 @Override 3811 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3812 String[] permissions, int flags, int userId) { 3813 if (!sUserManager.exists(userId)) return null; 3814 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3815 3816 // writer 3817 synchronized (mPackages) { 3818 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3819 boolean[] tmpBools = new boolean[permissions.length]; 3820 if (listUninstalled) { 3821 for (PackageSetting ps : mSettings.mPackages.values()) { 3822 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3823 } 3824 } else { 3825 for (PackageParser.Package pkg : mPackages.values()) { 3826 PackageSetting ps = (PackageSetting)pkg.mExtras; 3827 if (ps != null) { 3828 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3829 userId); 3830 } 3831 } 3832 } 3833 3834 return new ParceledListSlice<PackageInfo>(list); 3835 } 3836 } 3837 3838 @Override 3839 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3840 if (!sUserManager.exists(userId)) return null; 3841 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3842 3843 // writer 3844 synchronized (mPackages) { 3845 ArrayList<ApplicationInfo> list; 3846 if (listUninstalled) { 3847 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3848 for (PackageSetting ps : mSettings.mPackages.values()) { 3849 ApplicationInfo ai; 3850 if (ps.pkg != null) { 3851 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3852 ps.readUserState(userId), userId); 3853 } else { 3854 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3855 } 3856 if (ai != null) { 3857 list.add(ai); 3858 } 3859 } 3860 } else { 3861 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3862 for (PackageParser.Package p : mPackages.values()) { 3863 if (p.mExtras != null) { 3864 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3865 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3866 if (ai != null) { 3867 list.add(ai); 3868 } 3869 } 3870 } 3871 } 3872 3873 return new ParceledListSlice<ApplicationInfo>(list); 3874 } 3875 } 3876 3877 public List<ApplicationInfo> getPersistentApplications(int flags) { 3878 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3879 3880 // reader 3881 synchronized (mPackages) { 3882 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3883 final int userId = UserHandle.getCallingUserId(); 3884 while (i.hasNext()) { 3885 final PackageParser.Package p = i.next(); 3886 if (p.applicationInfo != null 3887 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3888 && (!mSafeMode || isSystemApp(p))) { 3889 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3890 if (ps != null) { 3891 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3892 ps.readUserState(userId), userId); 3893 if (ai != null) { 3894 finalList.add(ai); 3895 } 3896 } 3897 } 3898 } 3899 } 3900 3901 return finalList; 3902 } 3903 3904 @Override 3905 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3906 if (!sUserManager.exists(userId)) return null; 3907 // reader 3908 synchronized (mPackages) { 3909 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3910 PackageSetting ps = provider != null 3911 ? mSettings.mPackages.get(provider.owner.packageName) 3912 : null; 3913 return ps != null 3914 && mSettings.isEnabledLPr(provider.info, flags, userId) 3915 && (!mSafeMode || (provider.info.applicationInfo.flags 3916 &ApplicationInfo.FLAG_SYSTEM) != 0) 3917 ? PackageParser.generateProviderInfo(provider, flags, 3918 ps.readUserState(userId), userId) 3919 : null; 3920 } 3921 } 3922 3923 /** 3924 * @deprecated 3925 */ 3926 @Deprecated 3927 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3928 // reader 3929 synchronized (mPackages) { 3930 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3931 .entrySet().iterator(); 3932 final int userId = UserHandle.getCallingUserId(); 3933 while (i.hasNext()) { 3934 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3935 PackageParser.Provider p = entry.getValue(); 3936 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3937 3938 if (ps != null && p.syncable 3939 && (!mSafeMode || (p.info.applicationInfo.flags 3940 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3941 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3942 ps.readUserState(userId), userId); 3943 if (info != null) { 3944 outNames.add(entry.getKey()); 3945 outInfo.add(info); 3946 } 3947 } 3948 } 3949 } 3950 } 3951 3952 @Override 3953 public List<ProviderInfo> queryContentProviders(String processName, 3954 int uid, int flags) { 3955 ArrayList<ProviderInfo> finalList = null; 3956 // reader 3957 synchronized (mPackages) { 3958 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3959 final int userId = processName != null ? 3960 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3961 while (i.hasNext()) { 3962 final PackageParser.Provider p = i.next(); 3963 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3964 if (ps != null && p.info.authority != null 3965 && (processName == null 3966 || (p.info.processName.equals(processName) 3967 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3968 && mSettings.isEnabledLPr(p.info, flags, userId) 3969 && (!mSafeMode 3970 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3971 if (finalList == null) { 3972 finalList = new ArrayList<ProviderInfo>(3); 3973 } 3974 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3975 ps.readUserState(userId), userId); 3976 if (info != null) { 3977 finalList.add(info); 3978 } 3979 } 3980 } 3981 } 3982 3983 if (finalList != null) { 3984 Collections.sort(finalList, mProviderInitOrderSorter); 3985 } 3986 3987 return finalList; 3988 } 3989 3990 @Override 3991 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3992 int flags) { 3993 // reader 3994 synchronized (mPackages) { 3995 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3996 return PackageParser.generateInstrumentationInfo(i, flags); 3997 } 3998 } 3999 4000 @Override 4001 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4002 int flags) { 4003 ArrayList<InstrumentationInfo> finalList = 4004 new ArrayList<InstrumentationInfo>(); 4005 4006 // reader 4007 synchronized (mPackages) { 4008 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4009 while (i.hasNext()) { 4010 final PackageParser.Instrumentation p = i.next(); 4011 if (targetPackage == null 4012 || targetPackage.equals(p.info.targetPackage)) { 4013 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4014 flags); 4015 if (ii != null) { 4016 finalList.add(ii); 4017 } 4018 } 4019 } 4020 } 4021 4022 return finalList; 4023 } 4024 4025 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4026 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4027 if (overlays == null) { 4028 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4029 return; 4030 } 4031 for (PackageParser.Package opkg : overlays.values()) { 4032 // Not much to do if idmap fails: we already logged the error 4033 // and we certainly don't want to abort installation of pkg simply 4034 // because an overlay didn't fit properly. For these reasons, 4035 // ignore the return value of createIdmapForPackagePairLI. 4036 createIdmapForPackagePairLI(pkg, opkg); 4037 } 4038 } 4039 4040 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4041 PackageParser.Package opkg) { 4042 if (!opkg.mTrustedOverlay) { 4043 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4044 opkg.baseCodePath + ": overlay not trusted"); 4045 return false; 4046 } 4047 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4048 if (overlaySet == null) { 4049 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4050 opkg.baseCodePath + " but target package has no known overlays"); 4051 return false; 4052 } 4053 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4054 // TODO: generate idmap for split APKs 4055 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4056 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4057 + opkg.baseCodePath); 4058 return false; 4059 } 4060 PackageParser.Package[] overlayArray = 4061 overlaySet.values().toArray(new PackageParser.Package[0]); 4062 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4063 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4064 return p1.mOverlayPriority - p2.mOverlayPriority; 4065 } 4066 }; 4067 Arrays.sort(overlayArray, cmp); 4068 4069 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4070 int i = 0; 4071 for (PackageParser.Package p : overlayArray) { 4072 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4073 } 4074 return true; 4075 } 4076 4077 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4078 final File[] files = dir.listFiles(); 4079 if (ArrayUtils.isEmpty(files)) { 4080 Log.d(TAG, "No files in app dir " + dir); 4081 return; 4082 } 4083 4084 if (DEBUG_PACKAGE_SCANNING) { 4085 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4086 + " flags=0x" + Integer.toHexString(parseFlags)); 4087 } 4088 4089 for (File file : files) { 4090 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4091 && !PackageInstallerService.isStageName(file.getName()); 4092 if (!isPackage) { 4093 // Ignore entries which are not packages 4094 continue; 4095 } 4096 try { 4097 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4098 scanFlags, currentTime, null); 4099 } catch (PackageManagerException e) { 4100 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4101 4102 // Delete invalid userdata apps 4103 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4104 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4105 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4106 if (file.isDirectory()) { 4107 FileUtils.deleteContents(file); 4108 } 4109 file.delete(); 4110 } 4111 } 4112 } 4113 } 4114 4115 private static File getSettingsProblemFile() { 4116 File dataDir = Environment.getDataDirectory(); 4117 File systemDir = new File(dataDir, "system"); 4118 File fname = new File(systemDir, "uiderrors.txt"); 4119 return fname; 4120 } 4121 4122 static void reportSettingsProblem(int priority, String msg) { 4123 logCriticalInfo(priority, msg); 4124 } 4125 4126 static void logCriticalInfo(int priority, String msg) { 4127 Slog.println(priority, TAG, msg); 4128 EventLogTags.writePmCriticalInfo(msg); 4129 try { 4130 File fname = getSettingsProblemFile(); 4131 FileOutputStream out = new FileOutputStream(fname, true); 4132 PrintWriter pw = new FastPrintWriter(out); 4133 SimpleDateFormat formatter = new SimpleDateFormat(); 4134 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4135 pw.println(dateString + ": " + msg); 4136 pw.close(); 4137 FileUtils.setPermissions( 4138 fname.toString(), 4139 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4140 -1, -1); 4141 } catch (java.io.IOException e) { 4142 } 4143 } 4144 4145 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4146 PackageParser.Package pkg, File srcFile, int parseFlags) 4147 throws PackageManagerException { 4148 if (ps != null 4149 && ps.codePath.equals(srcFile) 4150 && ps.timeStamp == srcFile.lastModified() 4151 && !isCompatSignatureUpdateNeeded(pkg)) { 4152 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4153 if (ps.signatures.mSignatures != null 4154 && ps.signatures.mSignatures.length != 0 4155 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4156 // Optimization: reuse the existing cached certificates 4157 // if the package appears to be unchanged. 4158 pkg.mSignatures = ps.signatures.mSignatures; 4159 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4160 synchronized (mPackages) { 4161 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4162 } 4163 return; 4164 } 4165 4166 Slog.w(TAG, "PackageSetting for " + ps.name 4167 + " is missing signatures. Collecting certs again to recover them."); 4168 } else { 4169 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4170 } 4171 4172 try { 4173 pp.collectCertificates(pkg, parseFlags); 4174 pp.collectManifestDigest(pkg); 4175 } catch (PackageParserException e) { 4176 throw PackageManagerException.from(e); 4177 } 4178 } 4179 4180 /* 4181 * Scan a package and return the newly parsed package. 4182 * Returns null in case of errors and the error code is stored in mLastScanError 4183 */ 4184 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4185 long currentTime, UserHandle user) throws PackageManagerException { 4186 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4187 parseFlags |= mDefParseFlags; 4188 PackageParser pp = new PackageParser(); 4189 pp.setSeparateProcesses(mSeparateProcesses); 4190 pp.setOnlyCoreApps(mOnlyCore); 4191 pp.setDisplayMetrics(mMetrics); 4192 4193 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4194 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4195 } 4196 4197 final PackageParser.Package pkg; 4198 try { 4199 pkg = pp.parsePackage(scanFile, parseFlags); 4200 } catch (PackageParserException e) { 4201 throw PackageManagerException.from(e); 4202 } 4203 4204 PackageSetting ps = null; 4205 PackageSetting updatedPkg; 4206 // reader 4207 synchronized (mPackages) { 4208 // Look to see if we already know about this package. 4209 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4210 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4211 // This package has been renamed to its original name. Let's 4212 // use that. 4213 ps = mSettings.peekPackageLPr(oldName); 4214 } 4215 // If there was no original package, see one for the real package name. 4216 if (ps == null) { 4217 ps = mSettings.peekPackageLPr(pkg.packageName); 4218 } 4219 // Check to see if this package could be hiding/updating a system 4220 // package. Must look for it either under the original or real 4221 // package name depending on our state. 4222 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4223 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4224 } 4225 boolean updatedPkgBetter = false; 4226 // First check if this is a system package that may involve an update 4227 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4228 if (ps != null && !ps.codePath.equals(scanFile)) { 4229 // The path has changed from what was last scanned... check the 4230 // version of the new path against what we have stored to determine 4231 // what to do. 4232 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4233 if (pkg.mVersionCode < ps.versionCode) { 4234 // The system package has been updated and the code path does not match 4235 // Ignore entry. Skip it. 4236 logCriticalInfo(Log.INFO, "Package " + ps.name + " at " + scanFile 4237 + " ignored: updated version " + ps.versionCode 4238 + " better than this " + pkg.mVersionCode); 4239 if (!updatedPkg.codePath.equals(scanFile)) { 4240 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4241 + ps.name + " changing from " + updatedPkg.codePathString 4242 + " to " + scanFile); 4243 updatedPkg.codePath = scanFile; 4244 updatedPkg.codePathString = scanFile.toString(); 4245 // This is the point at which we know that the system-disk APK 4246 // for this package has moved during a reboot (e.g. due to an OTA), 4247 // so we need to reevaluate it for privilege policy. 4248 if (locationIsPrivileged(scanFile)) { 4249 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4250 } 4251 } 4252 updatedPkg.pkg = pkg; 4253 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4254 } else { 4255 // The current app on the system partition is better than 4256 // what we have updated to on the data partition; switch 4257 // back to the system partition version. 4258 // At this point, its safely assumed that package installation for 4259 // apps in system partition will go through. If not there won't be a working 4260 // version of the app 4261 // writer 4262 synchronized (mPackages) { 4263 // Just remove the loaded entries from package lists. 4264 mPackages.remove(ps.name); 4265 } 4266 4267 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4268 + " reverting from " + ps.codePathString 4269 + ": new version " + pkg.mVersionCode 4270 + " better than installed " + ps.versionCode); 4271 4272 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4273 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4274 getAppDexInstructionSets(ps)); 4275 synchronized (mInstallLock) { 4276 args.cleanUpResourcesLI(); 4277 } 4278 synchronized (mPackages) { 4279 mSettings.enableSystemPackageLPw(ps.name); 4280 } 4281 updatedPkgBetter = true; 4282 } 4283 } 4284 } 4285 4286 if (updatedPkg != null) { 4287 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4288 // initially 4289 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4290 4291 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4292 // flag set initially 4293 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4294 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4295 } 4296 } 4297 4298 // Verify certificates against what was last scanned 4299 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4300 4301 /* 4302 * A new system app appeared, but we already had a non-system one of the 4303 * same name installed earlier. 4304 */ 4305 boolean shouldHideSystemApp = false; 4306 if (updatedPkg == null && ps != null 4307 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4308 /* 4309 * Check to make sure the signatures match first. If they don't, 4310 * wipe the installed application and its data. 4311 */ 4312 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4313 != PackageManager.SIGNATURE_MATCH) { 4314 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4315 + " signatures don't match existing userdata copy; removing"); 4316 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4317 ps = null; 4318 } else { 4319 /* 4320 * If the newly-added system app is an older version than the 4321 * already installed version, hide it. It will be scanned later 4322 * and re-added like an update. 4323 */ 4324 if (pkg.mVersionCode < ps.versionCode) { 4325 shouldHideSystemApp = true; 4326 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4327 + " but new version " + pkg.mVersionCode + " better than installed " 4328 + ps.versionCode + "; hiding system"); 4329 } else { 4330 /* 4331 * The newly found system app is a newer version that the 4332 * one previously installed. Simply remove the 4333 * already-installed application and replace it with our own 4334 * while keeping the application data. 4335 */ 4336 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4337 + " reverting from " + ps.codePathString + ": new version " 4338 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4339 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4340 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4341 getAppDexInstructionSets(ps)); 4342 synchronized (mInstallLock) { 4343 args.cleanUpResourcesLI(); 4344 } 4345 } 4346 } 4347 } 4348 4349 // The apk is forward locked (not public) if its code and resources 4350 // are kept in different files. (except for app in either system or 4351 // vendor path). 4352 // TODO grab this value from PackageSettings 4353 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4354 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4355 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4356 } 4357 } 4358 4359 // TODO: extend to support forward-locked splits 4360 String resourcePath = null; 4361 String baseResourcePath = null; 4362 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4363 if (ps != null && ps.resourcePathString != null) { 4364 resourcePath = ps.resourcePathString; 4365 baseResourcePath = ps.resourcePathString; 4366 } else { 4367 // Should not happen at all. Just log an error. 4368 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4369 } 4370 } else { 4371 resourcePath = pkg.codePath; 4372 baseResourcePath = pkg.baseCodePath; 4373 } 4374 4375 // Set application objects path explicitly. 4376 pkg.applicationInfo.setCodePath(pkg.codePath); 4377 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4378 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4379 pkg.applicationInfo.setResourcePath(resourcePath); 4380 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4381 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4382 4383 // Note that we invoke the following method only if we are about to unpack an application 4384 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4385 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4386 4387 /* 4388 * If the system app should be overridden by a previously installed 4389 * data, hide the system app now and let the /data/app scan pick it up 4390 * again. 4391 */ 4392 if (shouldHideSystemApp) { 4393 synchronized (mPackages) { 4394 /* 4395 * We have to grant systems permissions before we hide, because 4396 * grantPermissions will assume the package update is trying to 4397 * expand its permissions. 4398 */ 4399 grantPermissionsLPw(pkg, true, pkg.packageName); 4400 mSettings.disableSystemPackageLPw(pkg.packageName); 4401 } 4402 } 4403 4404 return scannedPkg; 4405 } 4406 4407 private static String fixProcessName(String defProcessName, 4408 String processName, int uid) { 4409 if (processName == null) { 4410 return defProcessName; 4411 } 4412 return processName; 4413 } 4414 4415 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4416 throws PackageManagerException { 4417 if (pkgSetting.signatures.mSignatures != null) { 4418 // Already existing package. Make sure signatures match 4419 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4420 == PackageManager.SIGNATURE_MATCH; 4421 if (!match) { 4422 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4423 == PackageManager.SIGNATURE_MATCH; 4424 } 4425 if (!match) { 4426 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4427 + pkg.packageName + " signatures do not match the " 4428 + "previously installed version; ignoring!"); 4429 } 4430 } 4431 4432 // Check for shared user signatures 4433 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4434 // Already existing package. Make sure signatures match 4435 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4436 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4437 if (!match) { 4438 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4439 == PackageManager.SIGNATURE_MATCH; 4440 } 4441 if (!match) { 4442 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4443 "Package " + pkg.packageName 4444 + " has no signatures that match those in shared user " 4445 + pkgSetting.sharedUser.name + "; ignoring!"); 4446 } 4447 } 4448 } 4449 4450 /** 4451 * Enforces that only the system UID or root's UID can call a method exposed 4452 * via Binder. 4453 * 4454 * @param message used as message if SecurityException is thrown 4455 * @throws SecurityException if the caller is not system or root 4456 */ 4457 private static final void enforceSystemOrRoot(String message) { 4458 final int uid = Binder.getCallingUid(); 4459 if (uid != Process.SYSTEM_UID && uid != 0) { 4460 throw new SecurityException(message); 4461 } 4462 } 4463 4464 @Override 4465 public void performBootDexOpt() { 4466 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4467 4468 final HashSet<PackageParser.Package> pkgs; 4469 synchronized (mPackages) { 4470 pkgs = mDeferredDexOpt; 4471 mDeferredDexOpt = null; 4472 } 4473 4474 if (pkgs != null) { 4475 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4476 // in case the device runs out of space. 4477 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4478 // Give priority to core apps. 4479 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4480 PackageParser.Package pkg = it.next(); 4481 if (pkg.coreApp) { 4482 if (DEBUG_DEXOPT) { 4483 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4484 } 4485 sortedPkgs.add(pkg); 4486 it.remove(); 4487 } 4488 } 4489 // Give priority to system apps that listen for pre boot complete. 4490 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4491 HashSet<String> pkgNames = getPackageNamesForIntent(intent); 4492 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4493 PackageParser.Package pkg = it.next(); 4494 if (pkgNames.contains(pkg.packageName)) { 4495 if (DEBUG_DEXOPT) { 4496 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4497 } 4498 sortedPkgs.add(pkg); 4499 it.remove(); 4500 } 4501 } 4502 // Give priority to system apps. 4503 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4504 PackageParser.Package pkg = it.next(); 4505 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4506 if (DEBUG_DEXOPT) { 4507 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4508 } 4509 sortedPkgs.add(pkg); 4510 it.remove(); 4511 } 4512 } 4513 // Give priority to updated system apps. 4514 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4515 PackageParser.Package pkg = it.next(); 4516 if (isUpdatedSystemApp(pkg)) { 4517 if (DEBUG_DEXOPT) { 4518 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4519 } 4520 sortedPkgs.add(pkg); 4521 it.remove(); 4522 } 4523 } 4524 // Give priority to apps that listen for boot complete. 4525 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4526 pkgNames = getPackageNamesForIntent(intent); 4527 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4528 PackageParser.Package pkg = it.next(); 4529 if (pkgNames.contains(pkg.packageName)) { 4530 if (DEBUG_DEXOPT) { 4531 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4532 } 4533 sortedPkgs.add(pkg); 4534 it.remove(); 4535 } 4536 } 4537 // Filter out packages that aren't recently used. 4538 filterRecentlyUsedApps(pkgs); 4539 // Add all remaining apps. 4540 for (PackageParser.Package pkg : pkgs) { 4541 if (DEBUG_DEXOPT) { 4542 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4543 } 4544 sortedPkgs.add(pkg); 4545 } 4546 4547 int i = 0; 4548 int total = sortedPkgs.size(); 4549 File dataDir = Environment.getDataDirectory(); 4550 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4551 if (lowThreshold == 0) { 4552 throw new IllegalStateException("Invalid low memory threshold"); 4553 } 4554 for (PackageParser.Package pkg : sortedPkgs) { 4555 long usableSpace = dataDir.getUsableSpace(); 4556 if (usableSpace < lowThreshold) { 4557 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4558 break; 4559 } 4560 performBootDexOpt(pkg, ++i, total); 4561 } 4562 } 4563 } 4564 4565 private void filterRecentlyUsedApps(HashSet<PackageParser.Package> pkgs) { 4566 // Filter out packages that aren't recently used. 4567 // 4568 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4569 // should do a full dexopt. 4570 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4571 // TODO: add a property to control this? 4572 long dexOptLRUThresholdInMinutes; 4573 if (mLazyDexOpt) { 4574 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4575 } else { 4576 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4577 } 4578 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4579 4580 int total = pkgs.size(); 4581 int skipped = 0; 4582 long now = System.currentTimeMillis(); 4583 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4584 PackageParser.Package pkg = i.next(); 4585 long then = pkg.mLastPackageUsageTimeInMills; 4586 if (then + dexOptLRUThresholdInMills < now) { 4587 if (DEBUG_DEXOPT) { 4588 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4589 ((then == 0) ? "never" : new Date(then))); 4590 } 4591 i.remove(); 4592 skipped++; 4593 } 4594 } 4595 if (DEBUG_DEXOPT) { 4596 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4597 } 4598 } 4599 } 4600 4601 private HashSet<String> getPackageNamesForIntent(Intent intent) { 4602 List<ResolveInfo> ris = null; 4603 try { 4604 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4605 intent, null, 0, UserHandle.USER_OWNER); 4606 } catch (RemoteException e) { 4607 } 4608 HashSet<String> pkgNames = new HashSet<String>(); 4609 if (ris != null) { 4610 for (ResolveInfo ri : ris) { 4611 pkgNames.add(ri.activityInfo.packageName); 4612 } 4613 } 4614 return pkgNames; 4615 } 4616 4617 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4618 if (DEBUG_DEXOPT) { 4619 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4620 } 4621 if (!isFirstBoot()) { 4622 try { 4623 ActivityManagerNative.getDefault().showBootMessage( 4624 mContext.getResources().getString(R.string.android_upgrading_apk, 4625 curr, total), true); 4626 } catch (RemoteException e) { 4627 } 4628 } 4629 PackageParser.Package p = pkg; 4630 synchronized (mInstallLock) { 4631 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4632 false /* defer */, true /* include dependencies */); 4633 } 4634 } 4635 4636 @Override 4637 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4638 return performDexOpt(packageName, instructionSet, false); 4639 } 4640 4641 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4642 if (info.primaryCpuAbi == null) { 4643 return getPreferredInstructionSet(); 4644 } 4645 4646 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4647 } 4648 4649 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4650 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4651 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4652 if (!dexopt && !updateUsage) { 4653 // We aren't going to dexopt or update usage, so bail early. 4654 return false; 4655 } 4656 PackageParser.Package p; 4657 final String targetInstructionSet; 4658 synchronized (mPackages) { 4659 p = mPackages.get(packageName); 4660 if (p == null) { 4661 return false; 4662 } 4663 if (updateUsage) { 4664 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4665 } 4666 mPackageUsage.write(false); 4667 if (!dexopt) { 4668 // We aren't going to dexopt, so bail early. 4669 return false; 4670 } 4671 4672 targetInstructionSet = instructionSet != null ? instructionSet : 4673 getPrimaryInstructionSet(p.applicationInfo); 4674 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4675 return false; 4676 } 4677 } 4678 4679 synchronized (mInstallLock) { 4680 final String[] instructionSets = new String[] { targetInstructionSet }; 4681 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4682 true /* include dependencies */) == DEX_OPT_PERFORMED; 4683 } 4684 } 4685 4686 public HashSet<String> getPackagesThatNeedDexOpt() { 4687 HashSet<String> pkgs = null; 4688 synchronized (mPackages) { 4689 for (PackageParser.Package p : mPackages.values()) { 4690 if (DEBUG_DEXOPT) { 4691 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4692 } 4693 if (!p.mDexOptPerformed.isEmpty()) { 4694 continue; 4695 } 4696 if (pkgs == null) { 4697 pkgs = new HashSet<String>(); 4698 } 4699 pkgs.add(p.packageName); 4700 } 4701 } 4702 return pkgs; 4703 } 4704 4705 public void shutdown() { 4706 mPackageUsage.write(true); 4707 } 4708 4709 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4710 boolean forceDex, boolean defer, HashSet<String> done) { 4711 for (int i=0; i<libs.size(); i++) { 4712 PackageParser.Package libPkg; 4713 String libName; 4714 synchronized (mPackages) { 4715 libName = libs.get(i); 4716 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4717 if (lib != null && lib.apk != null) { 4718 libPkg = mPackages.get(lib.apk); 4719 } else { 4720 libPkg = null; 4721 } 4722 } 4723 if (libPkg != null && !done.contains(libName)) { 4724 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4725 } 4726 } 4727 } 4728 4729 static final int DEX_OPT_SKIPPED = 0; 4730 static final int DEX_OPT_PERFORMED = 1; 4731 static final int DEX_OPT_DEFERRED = 2; 4732 static final int DEX_OPT_FAILED = -1; 4733 4734 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4735 boolean forceDex, boolean defer, HashSet<String> done) { 4736 final String[] instructionSets = targetInstructionSets != null ? 4737 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4738 4739 if (done != null) { 4740 done.add(pkg.packageName); 4741 if (pkg.usesLibraries != null) { 4742 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4743 } 4744 if (pkg.usesOptionalLibraries != null) { 4745 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4746 } 4747 } 4748 4749 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4750 return DEX_OPT_SKIPPED; 4751 } 4752 4753 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4754 4755 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4756 boolean performedDexOpt = false; 4757 // There are three basic cases here: 4758 // 1.) we need to dexopt, either because we are forced or it is needed 4759 // 2.) we are defering a needed dexopt 4760 // 3.) we are skipping an unneeded dexopt 4761 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4762 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4763 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4764 continue; 4765 } 4766 4767 for (String path : paths) { 4768 try { 4769 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4770 // patckage or the one we find does not match the image checksum (i.e. it was 4771 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4772 // odex file and it matches the checksum of the image but not its base address, 4773 // meaning we need to move it. 4774 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4775 pkg.packageName, dexCodeInstructionSet, defer); 4776 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4777 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4778 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4779 + " vmSafeMode=" + vmSafeMode); 4780 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4781 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4782 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4783 4784 if (ret < 0) { 4785 // Don't bother running dexopt again if we failed, it will probably 4786 // just result in an error again. Also, don't bother dexopting for other 4787 // paths & ISAs. 4788 return DEX_OPT_FAILED; 4789 } 4790 4791 performedDexOpt = true; 4792 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4793 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4794 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4795 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4796 pkg.packageName, dexCodeInstructionSet); 4797 4798 if (ret < 0) { 4799 // Don't bother running patchoat again if we failed, it will probably 4800 // just result in an error again. Also, don't bother dexopting for other 4801 // paths & ISAs. 4802 return DEX_OPT_FAILED; 4803 } 4804 4805 performedDexOpt = true; 4806 } 4807 4808 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4809 // paths and instruction sets. We'll deal with them all together when we process 4810 // our list of deferred dexopts. 4811 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4812 if (mDeferredDexOpt == null) { 4813 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4814 } 4815 mDeferredDexOpt.add(pkg); 4816 return DEX_OPT_DEFERRED; 4817 } 4818 } catch (FileNotFoundException e) { 4819 Slog.w(TAG, "Apk not found for dexopt: " + path); 4820 return DEX_OPT_FAILED; 4821 } catch (IOException e) { 4822 Slog.w(TAG, "IOException reading apk: " + path, e); 4823 return DEX_OPT_FAILED; 4824 } catch (StaleDexCacheError e) { 4825 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4826 return DEX_OPT_FAILED; 4827 } catch (Exception e) { 4828 Slog.w(TAG, "Exception when doing dexopt : ", e); 4829 return DEX_OPT_FAILED; 4830 } 4831 } 4832 4833 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4834 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4835 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4836 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4837 // it. 4838 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4839 } 4840 4841 // If we've gotten here, we're sure that no error occurred and that we haven't 4842 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4843 // we've skipped all of them because they are up to date. In both cases this 4844 // package doesn't need dexopt any longer. 4845 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4846 } 4847 4848 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4849 if (info.primaryCpuAbi != null) { 4850 if (info.secondaryCpuAbi != null) { 4851 return new String[] { 4852 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4853 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4854 } else { 4855 return new String[] { 4856 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4857 } 4858 } 4859 4860 return new String[] { getPreferredInstructionSet() }; 4861 } 4862 4863 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4864 if (ps.primaryCpuAbiString != null) { 4865 if (ps.secondaryCpuAbiString != null) { 4866 return new String[] { 4867 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4868 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4869 } else { 4870 return new String[] { 4871 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4872 } 4873 } 4874 4875 return new String[] { getPreferredInstructionSet() }; 4876 } 4877 4878 private static String getPreferredInstructionSet() { 4879 if (sPreferredInstructionSet == null) { 4880 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4881 } 4882 4883 return sPreferredInstructionSet; 4884 } 4885 4886 private static List<String> getAllInstructionSets() { 4887 final String[] allAbis = Build.SUPPORTED_ABIS; 4888 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4889 4890 for (String abi : allAbis) { 4891 final String instructionSet = VMRuntime.getInstructionSet(abi); 4892 if (!allInstructionSets.contains(instructionSet)) { 4893 allInstructionSets.add(instructionSet); 4894 } 4895 } 4896 4897 return allInstructionSets; 4898 } 4899 4900 /** 4901 * Returns the instruction set that should be used to compile dex code. In the presence of 4902 * a native bridge this might be different than the one shared libraries use. 4903 */ 4904 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4905 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4906 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4907 } 4908 4909 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4910 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4911 for (String instructionSet : instructionSets) { 4912 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4913 } 4914 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4915 } 4916 4917 /** 4918 * Returns deduplicated list of supported instructions for dex code. 4919 */ 4920 public static String[] getAllDexCodeInstructionSets() { 4921 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4922 for (int i = 0; i < supportedInstructionSets.length; i++) { 4923 String abi = Build.SUPPORTED_ABIS[i]; 4924 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4925 } 4926 return getDexCodeInstructionSets(supportedInstructionSets); 4927 } 4928 4929 @Override 4930 public void forceDexOpt(String packageName) { 4931 enforceSystemOrRoot("forceDexOpt"); 4932 4933 PackageParser.Package pkg; 4934 synchronized (mPackages) { 4935 pkg = mPackages.get(packageName); 4936 if (pkg == null) { 4937 throw new IllegalArgumentException("Missing package: " + packageName); 4938 } 4939 } 4940 4941 synchronized (mInstallLock) { 4942 final String[] instructionSets = new String[] { 4943 getPrimaryInstructionSet(pkg.applicationInfo) }; 4944 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4945 if (res != DEX_OPT_PERFORMED) { 4946 throw new IllegalStateException("Failed to dexopt: " + res); 4947 } 4948 } 4949 } 4950 4951 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4952 boolean forceDex, boolean defer, boolean inclDependencies) { 4953 HashSet<String> done; 4954 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4955 done = new HashSet<String>(); 4956 done.add(pkg.packageName); 4957 } else { 4958 done = null; 4959 } 4960 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4961 } 4962 4963 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4964 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4965 Slog.w(TAG, "Unable to update from " + oldPkg.name 4966 + " to " + newPkg.packageName 4967 + ": old package not in system partition"); 4968 return false; 4969 } else if (mPackages.get(oldPkg.name) != null) { 4970 Slog.w(TAG, "Unable to update from " + oldPkg.name 4971 + " to " + newPkg.packageName 4972 + ": old package still exists"); 4973 return false; 4974 } 4975 return true; 4976 } 4977 4978 File getDataPathForUser(int userId) { 4979 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4980 } 4981 4982 private File getDataPathForPackage(String packageName, int userId) { 4983 /* 4984 * Until we fully support multiple users, return the directory we 4985 * previously would have. The PackageManagerTests will need to be 4986 * revised when this is changed back.. 4987 */ 4988 if (userId == 0) { 4989 return new File(mAppDataDir, packageName); 4990 } else { 4991 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4992 + File.separator + packageName); 4993 } 4994 } 4995 4996 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4997 int[] users = sUserManager.getUserIds(); 4998 int res = mInstaller.install(packageName, uid, uid, seinfo); 4999 if (res < 0) { 5000 return res; 5001 } 5002 for (int user : users) { 5003 if (user != 0) { 5004 res = mInstaller.createUserData(packageName, 5005 UserHandle.getUid(user, uid), user, seinfo); 5006 if (res < 0) { 5007 return res; 5008 } 5009 } 5010 } 5011 return res; 5012 } 5013 5014 private int removeDataDirsLI(String packageName) { 5015 int[] users = sUserManager.getUserIds(); 5016 int res = 0; 5017 for (int user : users) { 5018 int resInner = mInstaller.remove(packageName, user); 5019 if (resInner < 0) { 5020 res = resInner; 5021 } 5022 } 5023 5024 return res; 5025 } 5026 5027 private int deleteCodeCacheDirsLI(String packageName) { 5028 int[] users = sUserManager.getUserIds(); 5029 int res = 0; 5030 for (int user : users) { 5031 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5032 if (resInner < 0) { 5033 res = resInner; 5034 } 5035 } 5036 return res; 5037 } 5038 5039 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5040 PackageParser.Package changingLib) { 5041 if (file.path != null) { 5042 usesLibraryFiles.add(file.path); 5043 return; 5044 } 5045 PackageParser.Package p = mPackages.get(file.apk); 5046 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5047 // If we are doing this while in the middle of updating a library apk, 5048 // then we need to make sure to use that new apk for determining the 5049 // dependencies here. (We haven't yet finished committing the new apk 5050 // to the package manager state.) 5051 if (p == null || p.packageName.equals(changingLib.packageName)) { 5052 p = changingLib; 5053 } 5054 } 5055 if (p != null) { 5056 usesLibraryFiles.addAll(p.getAllCodePaths()); 5057 } 5058 } 5059 5060 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5061 PackageParser.Package changingLib) throws PackageManagerException { 5062 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5063 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5064 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5065 for (int i=0; i<N; i++) { 5066 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5067 if (file == null) { 5068 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5069 "Package " + pkg.packageName + " requires unavailable shared library " 5070 + pkg.usesLibraries.get(i) + "; failing!"); 5071 } 5072 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5073 } 5074 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5075 for (int i=0; i<N; i++) { 5076 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5077 if (file == null) { 5078 Slog.w(TAG, "Package " + pkg.packageName 5079 + " desires unavailable shared library " 5080 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5081 } else { 5082 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5083 } 5084 } 5085 N = usesLibraryFiles.size(); 5086 if (N > 0) { 5087 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5088 } else { 5089 pkg.usesLibraryFiles = null; 5090 } 5091 } 5092 } 5093 5094 private static boolean hasString(List<String> list, List<String> which) { 5095 if (list == null) { 5096 return false; 5097 } 5098 for (int i=list.size()-1; i>=0; i--) { 5099 for (int j=which.size()-1; j>=0; j--) { 5100 if (which.get(j).equals(list.get(i))) { 5101 return true; 5102 } 5103 } 5104 } 5105 return false; 5106 } 5107 5108 private void updateAllSharedLibrariesLPw() { 5109 for (PackageParser.Package pkg : mPackages.values()) { 5110 try { 5111 updateSharedLibrariesLPw(pkg, null); 5112 } catch (PackageManagerException e) { 5113 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5114 } 5115 } 5116 } 5117 5118 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5119 PackageParser.Package changingPkg) { 5120 ArrayList<PackageParser.Package> res = null; 5121 for (PackageParser.Package pkg : mPackages.values()) { 5122 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5123 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5124 if (res == null) { 5125 res = new ArrayList<PackageParser.Package>(); 5126 } 5127 res.add(pkg); 5128 try { 5129 updateSharedLibrariesLPw(pkg, changingPkg); 5130 } catch (PackageManagerException e) { 5131 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5132 } 5133 } 5134 } 5135 return res; 5136 } 5137 5138 /** 5139 * Derive the value of the {@code cpuAbiOverride} based on the provided 5140 * value and an optional stored value from the package settings. 5141 */ 5142 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5143 String cpuAbiOverride = null; 5144 5145 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5146 cpuAbiOverride = null; 5147 } else if (abiOverride != null) { 5148 cpuAbiOverride = abiOverride; 5149 } else if (settings != null) { 5150 cpuAbiOverride = settings.cpuAbiOverrideString; 5151 } 5152 5153 return cpuAbiOverride; 5154 } 5155 5156 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5157 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5158 boolean success = false; 5159 try { 5160 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5161 currentTime, user); 5162 success = true; 5163 return res; 5164 } finally { 5165 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5166 removeDataDirsLI(pkg.packageName); 5167 } 5168 } 5169 } 5170 5171 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5172 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5173 final File scanFile = new File(pkg.codePath); 5174 if (pkg.applicationInfo.getCodePath() == null || 5175 pkg.applicationInfo.getResourcePath() == null) { 5176 // Bail out. The resource and code paths haven't been set. 5177 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5178 "Code and resource paths haven't been set correctly"); 5179 } 5180 5181 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5182 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5183 } else { 5184 // Only allow system apps to be flagged as core apps. 5185 pkg.coreApp = false; 5186 } 5187 5188 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5189 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5190 } 5191 5192 if (mCustomResolverComponentName != null && 5193 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5194 setUpCustomResolverActivity(pkg); 5195 } 5196 5197 if (pkg.packageName.equals("android")) { 5198 synchronized (mPackages) { 5199 if (mAndroidApplication != null) { 5200 Slog.w(TAG, "*************************************************"); 5201 Slog.w(TAG, "Core android package being redefined. Skipping."); 5202 Slog.w(TAG, " file=" + scanFile); 5203 Slog.w(TAG, "*************************************************"); 5204 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5205 "Core android package being redefined. Skipping."); 5206 } 5207 5208 // Set up information for our fall-back user intent resolution activity. 5209 mPlatformPackage = pkg; 5210 pkg.mVersionCode = mSdkVersion; 5211 mAndroidApplication = pkg.applicationInfo; 5212 5213 if (!mResolverReplaced) { 5214 mResolveActivity.applicationInfo = mAndroidApplication; 5215 mResolveActivity.name = ResolverActivity.class.getName(); 5216 mResolveActivity.packageName = mAndroidApplication.packageName; 5217 mResolveActivity.processName = "system:ui"; 5218 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5219 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5220 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5221 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5222 mResolveActivity.exported = true; 5223 mResolveActivity.enabled = true; 5224 mResolveInfo.activityInfo = mResolveActivity; 5225 mResolveInfo.priority = 0; 5226 mResolveInfo.preferredOrder = 0; 5227 mResolveInfo.match = 0; 5228 mResolveComponentName = new ComponentName( 5229 mAndroidApplication.packageName, mResolveActivity.name); 5230 } 5231 } 5232 } 5233 5234 if (DEBUG_PACKAGE_SCANNING) { 5235 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5236 Log.d(TAG, "Scanning package " + pkg.packageName); 5237 } 5238 5239 if (mPackages.containsKey(pkg.packageName) 5240 || mSharedLibraries.containsKey(pkg.packageName)) { 5241 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5242 "Application package " + pkg.packageName 5243 + " already installed. Skipping duplicate."); 5244 } 5245 5246 // Initialize package source and resource directories 5247 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5248 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5249 5250 SharedUserSetting suid = null; 5251 PackageSetting pkgSetting = null; 5252 5253 if (!isSystemApp(pkg)) { 5254 // Only system apps can use these features. 5255 pkg.mOriginalPackages = null; 5256 pkg.mRealPackage = null; 5257 pkg.mAdoptPermissions = null; 5258 } 5259 5260 // writer 5261 synchronized (mPackages) { 5262 if (pkg.mSharedUserId != null) { 5263 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5264 if (suid == null) { 5265 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5266 "Creating application package " + pkg.packageName 5267 + " for shared user failed"); 5268 } 5269 if (DEBUG_PACKAGE_SCANNING) { 5270 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5271 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5272 + "): packages=" + suid.packages); 5273 } 5274 } 5275 5276 // Check if we are renaming from an original package name. 5277 PackageSetting origPackage = null; 5278 String realName = null; 5279 if (pkg.mOriginalPackages != null) { 5280 // This package may need to be renamed to a previously 5281 // installed name. Let's check on that... 5282 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5283 if (pkg.mOriginalPackages.contains(renamed)) { 5284 // This package had originally been installed as the 5285 // original name, and we have already taken care of 5286 // transitioning to the new one. Just update the new 5287 // one to continue using the old name. 5288 realName = pkg.mRealPackage; 5289 if (!pkg.packageName.equals(renamed)) { 5290 // Callers into this function may have already taken 5291 // care of renaming the package; only do it here if 5292 // it is not already done. 5293 pkg.setPackageName(renamed); 5294 } 5295 5296 } else { 5297 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5298 if ((origPackage = mSettings.peekPackageLPr( 5299 pkg.mOriginalPackages.get(i))) != null) { 5300 // We do have the package already installed under its 5301 // original name... should we use it? 5302 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5303 // New package is not compatible with original. 5304 origPackage = null; 5305 continue; 5306 } else if (origPackage.sharedUser != null) { 5307 // Make sure uid is compatible between packages. 5308 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5309 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5310 + " to " + pkg.packageName + ": old uid " 5311 + origPackage.sharedUser.name 5312 + " differs from " + pkg.mSharedUserId); 5313 origPackage = null; 5314 continue; 5315 } 5316 } else { 5317 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5318 + pkg.packageName + " to old name " + origPackage.name); 5319 } 5320 break; 5321 } 5322 } 5323 } 5324 } 5325 5326 if (mTransferedPackages.contains(pkg.packageName)) { 5327 Slog.w(TAG, "Package " + pkg.packageName 5328 + " was transferred to another, but its .apk remains"); 5329 } 5330 5331 // Just create the setting, don't add it yet. For already existing packages 5332 // the PkgSetting exists already and doesn't have to be created. 5333 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5334 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5335 pkg.applicationInfo.primaryCpuAbi, 5336 pkg.applicationInfo.secondaryCpuAbi, 5337 pkg.applicationInfo.flags, user, false); 5338 if (pkgSetting == null) { 5339 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5340 "Creating application package " + pkg.packageName + " failed"); 5341 } 5342 5343 if (pkgSetting.origPackage != null) { 5344 // If we are first transitioning from an original package, 5345 // fix up the new package's name now. We need to do this after 5346 // looking up the package under its new name, so getPackageLP 5347 // can take care of fiddling things correctly. 5348 pkg.setPackageName(origPackage.name); 5349 5350 // File a report about this. 5351 String msg = "New package " + pkgSetting.realName 5352 + " renamed to replace old package " + pkgSetting.name; 5353 reportSettingsProblem(Log.WARN, msg); 5354 5355 // Make a note of it. 5356 mTransferedPackages.add(origPackage.name); 5357 5358 // No longer need to retain this. 5359 pkgSetting.origPackage = null; 5360 } 5361 5362 if (realName != null) { 5363 // Make a note of it. 5364 mTransferedPackages.add(pkg.packageName); 5365 } 5366 5367 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5368 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5369 } 5370 5371 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5372 // Check all shared libraries and map to their actual file path. 5373 // We only do this here for apps not on a system dir, because those 5374 // are the only ones that can fail an install due to this. We 5375 // will take care of the system apps by updating all of their 5376 // library paths after the scan is done. 5377 updateSharedLibrariesLPw(pkg, null); 5378 } 5379 5380 if (mFoundPolicyFile) { 5381 SELinuxMMAC.assignSeinfoValue(pkg); 5382 } 5383 5384 pkg.applicationInfo.uid = pkgSetting.appId; 5385 pkg.mExtras = pkgSetting; 5386 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5387 try { 5388 verifySignaturesLP(pkgSetting, pkg); 5389 } catch (PackageManagerException e) { 5390 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5391 throw e; 5392 } 5393 // The signature has changed, but this package is in the system 5394 // image... let's recover! 5395 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5396 // However... if this package is part of a shared user, but it 5397 // doesn't match the signature of the shared user, let's fail. 5398 // What this means is that you can't change the signatures 5399 // associated with an overall shared user, which doesn't seem all 5400 // that unreasonable. 5401 if (pkgSetting.sharedUser != null) { 5402 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5403 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5404 throw new PackageManagerException( 5405 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5406 "Signature mismatch for shared user : " 5407 + pkgSetting.sharedUser); 5408 } 5409 } 5410 // File a report about this. 5411 String msg = "System package " + pkg.packageName 5412 + " signature changed; retaining data."; 5413 reportSettingsProblem(Log.WARN, msg); 5414 } 5415 } else { 5416 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5417 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5418 + pkg.packageName + " upgrade keys do not match the " 5419 + "previously installed version"); 5420 } else { 5421 // signatures may have changed as result of upgrade 5422 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5423 } 5424 } 5425 // Verify that this new package doesn't have any content providers 5426 // that conflict with existing packages. Only do this if the 5427 // package isn't already installed, since we don't want to break 5428 // things that are installed. 5429 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5430 final int N = pkg.providers.size(); 5431 int i; 5432 for (i=0; i<N; i++) { 5433 PackageParser.Provider p = pkg.providers.get(i); 5434 if (p.info.authority != null) { 5435 String names[] = p.info.authority.split(";"); 5436 for (int j = 0; j < names.length; j++) { 5437 if (mProvidersByAuthority.containsKey(names[j])) { 5438 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5439 final String otherPackageName = 5440 ((other != null && other.getComponentName() != null) ? 5441 other.getComponentName().getPackageName() : "?"); 5442 throw new PackageManagerException( 5443 INSTALL_FAILED_CONFLICTING_PROVIDER, 5444 "Can't install because provider name " + names[j] 5445 + " (in package " + pkg.applicationInfo.packageName 5446 + ") is already used by " + otherPackageName); 5447 } 5448 } 5449 } 5450 } 5451 } 5452 5453 if (pkg.mAdoptPermissions != null) { 5454 // This package wants to adopt ownership of permissions from 5455 // another package. 5456 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5457 final String origName = pkg.mAdoptPermissions.get(i); 5458 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5459 if (orig != null) { 5460 if (verifyPackageUpdateLPr(orig, pkg)) { 5461 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5462 + pkg.packageName); 5463 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5464 } 5465 } 5466 } 5467 } 5468 } 5469 5470 final String pkgName = pkg.packageName; 5471 5472 final long scanFileTime = scanFile.lastModified(); 5473 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5474 pkg.applicationInfo.processName = fixProcessName( 5475 pkg.applicationInfo.packageName, 5476 pkg.applicationInfo.processName, 5477 pkg.applicationInfo.uid); 5478 5479 File dataPath; 5480 if (mPlatformPackage == pkg) { 5481 // The system package is special. 5482 dataPath = new File(Environment.getDataDirectory(), "system"); 5483 5484 pkg.applicationInfo.dataDir = dataPath.getPath(); 5485 5486 } else { 5487 // This is a normal package, need to make its data directory. 5488 dataPath = getDataPathForPackage(pkg.packageName, 0); 5489 5490 boolean uidError = false; 5491 if (dataPath.exists()) { 5492 int currentUid = 0; 5493 try { 5494 StructStat stat = Os.stat(dataPath.getPath()); 5495 currentUid = stat.st_uid; 5496 } catch (ErrnoException e) { 5497 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5498 } 5499 5500 // If we have mismatched owners for the data path, we have a problem. 5501 if (currentUid != pkg.applicationInfo.uid) { 5502 boolean recovered = false; 5503 if (currentUid == 0) { 5504 // The directory somehow became owned by root. Wow. 5505 // This is probably because the system was stopped while 5506 // installd was in the middle of messing with its libs 5507 // directory. Ask installd to fix that. 5508 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5509 pkg.applicationInfo.uid); 5510 if (ret >= 0) { 5511 recovered = true; 5512 String msg = "Package " + pkg.packageName 5513 + " unexpectedly changed to uid 0; recovered to " + 5514 + pkg.applicationInfo.uid; 5515 reportSettingsProblem(Log.WARN, msg); 5516 } 5517 } 5518 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5519 || (scanFlags&SCAN_BOOTING) != 0)) { 5520 // If this is a system app, we can at least delete its 5521 // current data so the application will still work. 5522 int ret = removeDataDirsLI(pkgName); 5523 if (ret >= 0) { 5524 // TODO: Kill the processes first 5525 // Old data gone! 5526 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5527 ? "System package " : "Third party package "; 5528 String msg = prefix + pkg.packageName 5529 + " has changed from uid: " 5530 + currentUid + " to " 5531 + pkg.applicationInfo.uid + "; old data erased"; 5532 reportSettingsProblem(Log.WARN, msg); 5533 recovered = true; 5534 5535 // And now re-install the app. 5536 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5537 pkg.applicationInfo.seinfo); 5538 if (ret == -1) { 5539 // Ack should not happen! 5540 msg = prefix + pkg.packageName 5541 + " could not have data directory re-created after delete."; 5542 reportSettingsProblem(Log.WARN, msg); 5543 throw new PackageManagerException( 5544 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5545 } 5546 } 5547 if (!recovered) { 5548 mHasSystemUidErrors = true; 5549 } 5550 } else if (!recovered) { 5551 // If we allow this install to proceed, we will be broken. 5552 // Abort, abort! 5553 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5554 "scanPackageLI"); 5555 } 5556 if (!recovered) { 5557 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5558 + pkg.applicationInfo.uid + "/fs_" 5559 + currentUid; 5560 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5561 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5562 String msg = "Package " + pkg.packageName 5563 + " has mismatched uid: " 5564 + currentUid + " on disk, " 5565 + pkg.applicationInfo.uid + " in settings"; 5566 // writer 5567 synchronized (mPackages) { 5568 mSettings.mReadMessages.append(msg); 5569 mSettings.mReadMessages.append('\n'); 5570 uidError = true; 5571 if (!pkgSetting.uidError) { 5572 reportSettingsProblem(Log.ERROR, msg); 5573 } 5574 } 5575 } 5576 } 5577 pkg.applicationInfo.dataDir = dataPath.getPath(); 5578 if (mShouldRestoreconData) { 5579 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5580 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5581 pkg.applicationInfo.uid); 5582 } 5583 } else { 5584 if (DEBUG_PACKAGE_SCANNING) { 5585 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5586 Log.v(TAG, "Want this data dir: " + dataPath); 5587 } 5588 //invoke installer to do the actual installation 5589 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5590 pkg.applicationInfo.seinfo); 5591 if (ret < 0) { 5592 // Error from installer 5593 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5594 "Unable to create data dirs [errorCode=" + ret + "]"); 5595 } 5596 5597 if (dataPath.exists()) { 5598 pkg.applicationInfo.dataDir = dataPath.getPath(); 5599 } else { 5600 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5601 pkg.applicationInfo.dataDir = null; 5602 } 5603 } 5604 5605 pkgSetting.uidError = uidError; 5606 } 5607 5608 final String path = scanFile.getPath(); 5609 final String codePath = pkg.applicationInfo.getCodePath(); 5610 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5611 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5612 setBundledAppAbisAndRoots(pkg, pkgSetting); 5613 5614 // If we haven't found any native libraries for the app, check if it has 5615 // renderscript code. We'll need to force the app to 32 bit if it has 5616 // renderscript bitcode. 5617 if (pkg.applicationInfo.primaryCpuAbi == null 5618 && pkg.applicationInfo.secondaryCpuAbi == null 5619 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5620 NativeLibraryHelper.Handle handle = null; 5621 try { 5622 handle = NativeLibraryHelper.Handle.create(scanFile); 5623 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5624 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5625 } 5626 } catch (IOException ioe) { 5627 Slog.w(TAG, "Error scanning system app : " + ioe); 5628 } finally { 5629 IoUtils.closeQuietly(handle); 5630 } 5631 } 5632 5633 setNativeLibraryPaths(pkg); 5634 } else { 5635 // TODO: We can probably be smarter about this stuff. For installed apps, 5636 // we can calculate this information at install time once and for all. For 5637 // system apps, we can probably assume that this information doesn't change 5638 // after the first boot scan. As things stand, we do lots of unnecessary work. 5639 5640 // Give ourselves some initial paths; we'll come back for another 5641 // pass once we've determined ABI below. 5642 setNativeLibraryPaths(pkg); 5643 5644 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5645 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5646 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5647 5648 NativeLibraryHelper.Handle handle = null; 5649 try { 5650 handle = NativeLibraryHelper.Handle.create(scanFile); 5651 // TODO(multiArch): This can be null for apps that didn't go through the 5652 // usual installation process. We can calculate it again, like we 5653 // do during install time. 5654 // 5655 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5656 // unnecessary. 5657 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5658 5659 // Null out the abis so that they can be recalculated. 5660 pkg.applicationInfo.primaryCpuAbi = null; 5661 pkg.applicationInfo.secondaryCpuAbi = null; 5662 if (isMultiArch(pkg.applicationInfo)) { 5663 // Warn if we've set an abiOverride for multi-lib packages.. 5664 // By definition, we need to copy both 32 and 64 bit libraries for 5665 // such packages. 5666 if (pkg.cpuAbiOverride != null 5667 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5668 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5669 } 5670 5671 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5672 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5673 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5674 if (isAsec) { 5675 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5676 } else { 5677 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5678 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5679 useIsaSpecificSubdirs); 5680 } 5681 } 5682 5683 maybeThrowExceptionForMultiArchCopy( 5684 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5685 5686 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5687 if (isAsec) { 5688 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5689 } else { 5690 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5691 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5692 useIsaSpecificSubdirs); 5693 } 5694 } 5695 5696 maybeThrowExceptionForMultiArchCopy( 5697 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5698 5699 if (abi64 >= 0) { 5700 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5701 } 5702 5703 if (abi32 >= 0) { 5704 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5705 if (abi64 >= 0) { 5706 pkg.applicationInfo.secondaryCpuAbi = abi; 5707 } else { 5708 pkg.applicationInfo.primaryCpuAbi = abi; 5709 } 5710 } 5711 } else { 5712 String[] abiList = (cpuAbiOverride != null) ? 5713 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5714 5715 // Enable gross and lame hacks for apps that are built with old 5716 // SDK tools. We must scan their APKs for renderscript bitcode and 5717 // not launch them if it's present. Don't bother checking on devices 5718 // that don't have 64 bit support. 5719 boolean needsRenderScriptOverride = false; 5720 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5721 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5722 abiList = Build.SUPPORTED_32_BIT_ABIS; 5723 needsRenderScriptOverride = true; 5724 } 5725 5726 final int copyRet; 5727 if (isAsec) { 5728 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5729 } else { 5730 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5731 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5732 } 5733 5734 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5735 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5736 "Error unpackaging native libs for app, errorCode=" + copyRet); 5737 } 5738 5739 if (copyRet >= 0) { 5740 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5741 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5742 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5743 } else if (needsRenderScriptOverride) { 5744 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5745 } 5746 } 5747 } catch (IOException ioe) { 5748 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5749 } finally { 5750 IoUtils.closeQuietly(handle); 5751 } 5752 5753 // Now that we've calculated the ABIs and determined if it's an internal app, 5754 // we will go ahead and populate the nativeLibraryPath. 5755 setNativeLibraryPaths(pkg); 5756 5757 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5758 final int[] userIds = sUserManager.getUserIds(); 5759 synchronized (mInstallLock) { 5760 // Create a native library symlink only if we have native libraries 5761 // and if the native libraries are 32 bit libraries. We do not provide 5762 // this symlink for 64 bit libraries. 5763 if (pkg.applicationInfo.primaryCpuAbi != null && 5764 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5765 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5766 for (int userId : userIds) { 5767 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5768 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5769 "Failed linking native library dir (user=" + userId + ")"); 5770 } 5771 } 5772 } 5773 } 5774 } 5775 5776 // This is a special case for the "system" package, where the ABI is 5777 // dictated by the zygote configuration (and init.rc). We should keep track 5778 // of this ABI so that we can deal with "normal" applications that run under 5779 // the same UID correctly. 5780 if (mPlatformPackage == pkg) { 5781 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5782 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5783 } 5784 5785 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5786 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5787 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5788 // Copy the derived override back to the parsed package, so that we can 5789 // update the package settings accordingly. 5790 pkg.cpuAbiOverride = cpuAbiOverride; 5791 5792 if (DEBUG_ABI_SELECTION) { 5793 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5794 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5795 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5796 } 5797 5798 // Push the derived path down into PackageSettings so we know what to 5799 // clean up at uninstall time. 5800 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5801 5802 if (DEBUG_ABI_SELECTION) { 5803 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5804 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5805 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5806 } 5807 5808 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5809 // We don't do this here during boot because we can do it all 5810 // at once after scanning all existing packages. 5811 // 5812 // We also do this *before* we perform dexopt on this package, so that 5813 // we can avoid redundant dexopts, and also to make sure we've got the 5814 // code and package path correct. 5815 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5816 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5817 } 5818 5819 if ((scanFlags & SCAN_NO_DEX) == 0) { 5820 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5821 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5822 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5823 } 5824 } 5825 5826 if (mFactoryTest && pkg.requestedPermissions.contains( 5827 android.Manifest.permission.FACTORY_TEST)) { 5828 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5829 } 5830 5831 ArrayList<PackageParser.Package> clientLibPkgs = null; 5832 5833 // writer 5834 synchronized (mPackages) { 5835 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5836 // Only system apps can add new shared libraries. 5837 if (pkg.libraryNames != null) { 5838 for (int i=0; i<pkg.libraryNames.size(); i++) { 5839 String name = pkg.libraryNames.get(i); 5840 boolean allowed = false; 5841 if (isUpdatedSystemApp(pkg)) { 5842 // New library entries can only be added through the 5843 // system image. This is important to get rid of a lot 5844 // of nasty edge cases: for example if we allowed a non- 5845 // system update of the app to add a library, then uninstalling 5846 // the update would make the library go away, and assumptions 5847 // we made such as through app install filtering would now 5848 // have allowed apps on the device which aren't compatible 5849 // with it. Better to just have the restriction here, be 5850 // conservative, and create many fewer cases that can negatively 5851 // impact the user experience. 5852 final PackageSetting sysPs = mSettings 5853 .getDisabledSystemPkgLPr(pkg.packageName); 5854 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5855 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5856 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5857 allowed = true; 5858 allowed = true; 5859 break; 5860 } 5861 } 5862 } 5863 } else { 5864 allowed = true; 5865 } 5866 if (allowed) { 5867 if (!mSharedLibraries.containsKey(name)) { 5868 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5869 } else if (!name.equals(pkg.packageName)) { 5870 Slog.w(TAG, "Package " + pkg.packageName + " library " 5871 + name + " already exists; skipping"); 5872 } 5873 } else { 5874 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5875 + name + " that is not declared on system image; skipping"); 5876 } 5877 } 5878 if ((scanFlags&SCAN_BOOTING) == 0) { 5879 // If we are not booting, we need to update any applications 5880 // that are clients of our shared library. If we are booting, 5881 // this will all be done once the scan is complete. 5882 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5883 } 5884 } 5885 } 5886 } 5887 5888 // We also need to dexopt any apps that are dependent on this library. Note that 5889 // if these fail, we should abort the install since installing the library will 5890 // result in some apps being broken. 5891 if (clientLibPkgs != null) { 5892 if ((scanFlags & SCAN_NO_DEX) == 0) { 5893 for (int i = 0; i < clientLibPkgs.size(); i++) { 5894 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5895 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5896 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5897 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5898 "scanPackageLI failed to dexopt clientLibPkgs"); 5899 } 5900 } 5901 } 5902 } 5903 5904 // Request the ActivityManager to kill the process(only for existing packages) 5905 // so that we do not end up in a confused state while the user is still using the older 5906 // version of the application while the new one gets installed. 5907 if ((scanFlags & SCAN_REPLACING) != 0) { 5908 killApplication(pkg.applicationInfo.packageName, 5909 pkg.applicationInfo.uid, "update pkg"); 5910 } 5911 5912 // Also need to kill any apps that are dependent on the library. 5913 if (clientLibPkgs != null) { 5914 for (int i=0; i<clientLibPkgs.size(); i++) { 5915 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5916 killApplication(clientPkg.applicationInfo.packageName, 5917 clientPkg.applicationInfo.uid, "update lib"); 5918 } 5919 } 5920 5921 // writer 5922 synchronized (mPackages) { 5923 // We don't expect installation to fail beyond this point 5924 5925 // Add the new setting to mSettings 5926 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5927 // Add the new setting to mPackages 5928 mPackages.put(pkg.applicationInfo.packageName, pkg); 5929 // Make sure we don't accidentally delete its data. 5930 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5931 while (iter.hasNext()) { 5932 PackageCleanItem item = iter.next(); 5933 if (pkgName.equals(item.packageName)) { 5934 iter.remove(); 5935 } 5936 } 5937 5938 // Take care of first install / last update times. 5939 if (currentTime != 0) { 5940 if (pkgSetting.firstInstallTime == 0) { 5941 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5942 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5943 pkgSetting.lastUpdateTime = currentTime; 5944 } 5945 } else if (pkgSetting.firstInstallTime == 0) { 5946 // We need *something*. Take time time stamp of the file. 5947 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5948 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5949 if (scanFileTime != pkgSetting.timeStamp) { 5950 // A package on the system image has changed; consider this 5951 // to be an update. 5952 pkgSetting.lastUpdateTime = scanFileTime; 5953 } 5954 } 5955 5956 // Add the package's KeySets to the global KeySetManagerService 5957 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5958 try { 5959 // Old KeySetData no longer valid. 5960 ksms.removeAppKeySetDataLPw(pkg.packageName); 5961 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5962 if (pkg.mKeySetMapping != null) { 5963 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5964 pkg.mKeySetMapping.entrySet()) { 5965 if (entry.getValue() != null) { 5966 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5967 entry.getValue(), entry.getKey()); 5968 } 5969 } 5970 if (pkg.mUpgradeKeySets != null) { 5971 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5972 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5973 } 5974 } 5975 } 5976 } catch (NullPointerException e) { 5977 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5978 } catch (IllegalArgumentException e) { 5979 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5980 } 5981 5982 int N = pkg.providers.size(); 5983 StringBuilder r = null; 5984 int i; 5985 for (i=0; i<N; i++) { 5986 PackageParser.Provider p = pkg.providers.get(i); 5987 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5988 p.info.processName, pkg.applicationInfo.uid); 5989 mProviders.addProvider(p); 5990 p.syncable = p.info.isSyncable; 5991 if (p.info.authority != null) { 5992 String names[] = p.info.authority.split(";"); 5993 p.info.authority = null; 5994 for (int j = 0; j < names.length; j++) { 5995 if (j == 1 && p.syncable) { 5996 // We only want the first authority for a provider to possibly be 5997 // syncable, so if we already added this provider using a different 5998 // authority clear the syncable flag. We copy the provider before 5999 // changing it because the mProviders object contains a reference 6000 // to a provider that we don't want to change. 6001 // Only do this for the second authority since the resulting provider 6002 // object can be the same for all future authorities for this provider. 6003 p = new PackageParser.Provider(p); 6004 p.syncable = false; 6005 } 6006 if (!mProvidersByAuthority.containsKey(names[j])) { 6007 mProvidersByAuthority.put(names[j], p); 6008 if (p.info.authority == null) { 6009 p.info.authority = names[j]; 6010 } else { 6011 p.info.authority = p.info.authority + ";" + names[j]; 6012 } 6013 if (DEBUG_PACKAGE_SCANNING) { 6014 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6015 Log.d(TAG, "Registered content provider: " + names[j] 6016 + ", className = " + p.info.name + ", isSyncable = " 6017 + p.info.isSyncable); 6018 } 6019 } else { 6020 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6021 Slog.w(TAG, "Skipping provider name " + names[j] + 6022 " (in package " + pkg.applicationInfo.packageName + 6023 "): name already used by " 6024 + ((other != null && other.getComponentName() != null) 6025 ? other.getComponentName().getPackageName() : "?")); 6026 } 6027 } 6028 } 6029 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6030 if (r == null) { 6031 r = new StringBuilder(256); 6032 } else { 6033 r.append(' '); 6034 } 6035 r.append(p.info.name); 6036 } 6037 } 6038 if (r != null) { 6039 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6040 } 6041 6042 N = pkg.services.size(); 6043 r = null; 6044 for (i=0; i<N; i++) { 6045 PackageParser.Service s = pkg.services.get(i); 6046 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6047 s.info.processName, pkg.applicationInfo.uid); 6048 mServices.addService(s); 6049 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6050 if (r == null) { 6051 r = new StringBuilder(256); 6052 } else { 6053 r.append(' '); 6054 } 6055 r.append(s.info.name); 6056 } 6057 } 6058 if (r != null) { 6059 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6060 } 6061 6062 N = pkg.receivers.size(); 6063 r = null; 6064 for (i=0; i<N; i++) { 6065 PackageParser.Activity a = pkg.receivers.get(i); 6066 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6067 a.info.processName, pkg.applicationInfo.uid); 6068 mReceivers.addActivity(a, "receiver"); 6069 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6070 if (r == null) { 6071 r = new StringBuilder(256); 6072 } else { 6073 r.append(' '); 6074 } 6075 r.append(a.info.name); 6076 } 6077 } 6078 if (r != null) { 6079 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6080 } 6081 6082 N = pkg.activities.size(); 6083 r = null; 6084 for (i=0; i<N; i++) { 6085 PackageParser.Activity a = pkg.activities.get(i); 6086 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6087 a.info.processName, pkg.applicationInfo.uid); 6088 mActivities.addActivity(a, "activity"); 6089 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6090 if (r == null) { 6091 r = new StringBuilder(256); 6092 } else { 6093 r.append(' '); 6094 } 6095 r.append(a.info.name); 6096 } 6097 } 6098 if (r != null) { 6099 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6100 } 6101 6102 N = pkg.permissionGroups.size(); 6103 r = null; 6104 for (i=0; i<N; i++) { 6105 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6106 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6107 if (cur == null) { 6108 mPermissionGroups.put(pg.info.name, pg); 6109 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6110 if (r == null) { 6111 r = new StringBuilder(256); 6112 } else { 6113 r.append(' '); 6114 } 6115 r.append(pg.info.name); 6116 } 6117 } else { 6118 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6119 + pg.info.packageName + " ignored: original from " 6120 + cur.info.packageName); 6121 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6122 if (r == null) { 6123 r = new StringBuilder(256); 6124 } else { 6125 r.append(' '); 6126 } 6127 r.append("DUP:"); 6128 r.append(pg.info.name); 6129 } 6130 } 6131 } 6132 if (r != null) { 6133 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6134 } 6135 6136 N = pkg.permissions.size(); 6137 r = null; 6138 for (i=0; i<N; i++) { 6139 PackageParser.Permission p = pkg.permissions.get(i); 6140 HashMap<String, BasePermission> permissionMap = 6141 p.tree ? mSettings.mPermissionTrees 6142 : mSettings.mPermissions; 6143 p.group = mPermissionGroups.get(p.info.group); 6144 if (p.info.group == null || p.group != null) { 6145 BasePermission bp = permissionMap.get(p.info.name); 6146 6147 // Allow system apps to redefine non-system permissions 6148 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6149 final boolean currentOwnerIsSystem = (bp.perm != null 6150 && isSystemApp(bp.perm.owner)); 6151 if (isSystemApp(p.owner)) { 6152 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6153 // It's a built-in permission and no owner, take ownership now 6154 bp.packageSetting = pkgSetting; 6155 bp.perm = p; 6156 bp.uid = pkg.applicationInfo.uid; 6157 bp.sourcePackage = p.info.packageName; 6158 } else if (!currentOwnerIsSystem) { 6159 String msg = "New decl " + p.owner + " of permission " 6160 + p.info.name + " is system; overriding " + bp.sourcePackage; 6161 reportSettingsProblem(Log.WARN, msg); 6162 bp = null; 6163 } 6164 } 6165 } 6166 6167 if (bp == null) { 6168 bp = new BasePermission(p.info.name, p.info.packageName, 6169 BasePermission.TYPE_NORMAL); 6170 permissionMap.put(p.info.name, bp); 6171 } 6172 6173 if (bp.perm == null) { 6174 if (bp.sourcePackage == null 6175 || bp.sourcePackage.equals(p.info.packageName)) { 6176 BasePermission tree = findPermissionTreeLP(p.info.name); 6177 if (tree == null 6178 || tree.sourcePackage.equals(p.info.packageName)) { 6179 bp.packageSetting = pkgSetting; 6180 bp.perm = p; 6181 bp.uid = pkg.applicationInfo.uid; 6182 bp.sourcePackage = p.info.packageName; 6183 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6184 if (r == null) { 6185 r = new StringBuilder(256); 6186 } else { 6187 r.append(' '); 6188 } 6189 r.append(p.info.name); 6190 } 6191 } else { 6192 Slog.w(TAG, "Permission " + p.info.name + " from package " 6193 + p.info.packageName + " ignored: base tree " 6194 + tree.name + " is from package " 6195 + tree.sourcePackage); 6196 } 6197 } else { 6198 Slog.w(TAG, "Permission " + p.info.name + " from package " 6199 + p.info.packageName + " ignored: original from " 6200 + bp.sourcePackage); 6201 } 6202 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6203 if (r == null) { 6204 r = new StringBuilder(256); 6205 } else { 6206 r.append(' '); 6207 } 6208 r.append("DUP:"); 6209 r.append(p.info.name); 6210 } 6211 if (bp.perm == p) { 6212 bp.protectionLevel = p.info.protectionLevel; 6213 } 6214 } else { 6215 Slog.w(TAG, "Permission " + p.info.name + " from package " 6216 + p.info.packageName + " ignored: no group " 6217 + p.group); 6218 } 6219 } 6220 if (r != null) { 6221 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6222 } 6223 6224 N = pkg.instrumentation.size(); 6225 r = null; 6226 for (i=0; i<N; i++) { 6227 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6228 a.info.packageName = pkg.applicationInfo.packageName; 6229 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6230 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6231 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6232 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6233 a.info.dataDir = pkg.applicationInfo.dataDir; 6234 6235 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6236 // need other information about the application, like the ABI and what not ? 6237 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6238 mInstrumentation.put(a.getComponentName(), a); 6239 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6240 if (r == null) { 6241 r = new StringBuilder(256); 6242 } else { 6243 r.append(' '); 6244 } 6245 r.append(a.info.name); 6246 } 6247 } 6248 if (r != null) { 6249 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6250 } 6251 6252 if (pkg.protectedBroadcasts != null) { 6253 N = pkg.protectedBroadcasts.size(); 6254 for (i=0; i<N; i++) { 6255 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6256 } 6257 } 6258 6259 pkgSetting.setTimeStamp(scanFileTime); 6260 6261 // Create idmap files for pairs of (packages, overlay packages). 6262 // Note: "android", ie framework-res.apk, is handled by native layers. 6263 if (pkg.mOverlayTarget != null) { 6264 // This is an overlay package. 6265 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6266 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6267 mOverlays.put(pkg.mOverlayTarget, 6268 new HashMap<String, PackageParser.Package>()); 6269 } 6270 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6271 map.put(pkg.packageName, pkg); 6272 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6273 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6274 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6275 "scanPackageLI failed to createIdmap"); 6276 } 6277 } 6278 } else if (mOverlays.containsKey(pkg.packageName) && 6279 !pkg.packageName.equals("android")) { 6280 // This is a regular package, with one or more known overlay packages. 6281 createIdmapsForPackageLI(pkg); 6282 } 6283 } 6284 6285 return pkg; 6286 } 6287 6288 /** 6289 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6290 * i.e, so that all packages can be run inside a single process if required. 6291 * 6292 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6293 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6294 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6295 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6296 * updating a package that belongs to a shared user. 6297 * 6298 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6299 * adds unnecessary complexity. 6300 */ 6301 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6302 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6303 String requiredInstructionSet = null; 6304 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6305 requiredInstructionSet = VMRuntime.getInstructionSet( 6306 scannedPackage.applicationInfo.primaryCpuAbi); 6307 } 6308 6309 PackageSetting requirer = null; 6310 for (PackageSetting ps : packagesForUser) { 6311 // If packagesForUser contains scannedPackage, we skip it. This will happen 6312 // when scannedPackage is an update of an existing package. Without this check, 6313 // we will never be able to change the ABI of any package belonging to a shared 6314 // user, even if it's compatible with other packages. 6315 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6316 if (ps.primaryCpuAbiString == null) { 6317 continue; 6318 } 6319 6320 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6321 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6322 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6323 // this but there's not much we can do. 6324 String errorMessage = "Instruction set mismatch, " 6325 + ((requirer == null) ? "[caller]" : requirer) 6326 + " requires " + requiredInstructionSet + " whereas " + ps 6327 + " requires " + instructionSet; 6328 Slog.w(TAG, errorMessage); 6329 } 6330 6331 if (requiredInstructionSet == null) { 6332 requiredInstructionSet = instructionSet; 6333 requirer = ps; 6334 } 6335 } 6336 } 6337 6338 if (requiredInstructionSet != null) { 6339 String adjustedAbi; 6340 if (requirer != null) { 6341 // requirer != null implies that either scannedPackage was null or that scannedPackage 6342 // did not require an ABI, in which case we have to adjust scannedPackage to match 6343 // the ABI of the set (which is the same as requirer's ABI) 6344 adjustedAbi = requirer.primaryCpuAbiString; 6345 if (scannedPackage != null) { 6346 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6347 } 6348 } else { 6349 // requirer == null implies that we're updating all ABIs in the set to 6350 // match scannedPackage. 6351 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6352 } 6353 6354 for (PackageSetting ps : packagesForUser) { 6355 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6356 if (ps.primaryCpuAbiString != null) { 6357 continue; 6358 } 6359 6360 ps.primaryCpuAbiString = adjustedAbi; 6361 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6362 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6363 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6364 6365 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6366 deferDexOpt, true) == DEX_OPT_FAILED) { 6367 ps.primaryCpuAbiString = null; 6368 ps.pkg.applicationInfo.primaryCpuAbi = null; 6369 return; 6370 } else { 6371 mInstaller.rmdex(ps.codePathString, 6372 getDexCodeInstructionSet(getPreferredInstructionSet())); 6373 } 6374 } 6375 } 6376 } 6377 } 6378 } 6379 6380 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6381 synchronized (mPackages) { 6382 mResolverReplaced = true; 6383 // Set up information for custom user intent resolution activity. 6384 mResolveActivity.applicationInfo = pkg.applicationInfo; 6385 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6386 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6387 mResolveActivity.processName = null; 6388 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6389 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6390 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6391 mResolveActivity.theme = 0; 6392 mResolveActivity.exported = true; 6393 mResolveActivity.enabled = true; 6394 mResolveInfo.activityInfo = mResolveActivity; 6395 mResolveInfo.priority = 0; 6396 mResolveInfo.preferredOrder = 0; 6397 mResolveInfo.match = 0; 6398 mResolveComponentName = mCustomResolverComponentName; 6399 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6400 mResolveComponentName); 6401 } 6402 } 6403 6404 private static String calculateBundledApkRoot(final String codePathString) { 6405 final File codePath = new File(codePathString); 6406 final File codeRoot; 6407 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6408 codeRoot = Environment.getRootDirectory(); 6409 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6410 codeRoot = Environment.getOemDirectory(); 6411 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6412 codeRoot = Environment.getVendorDirectory(); 6413 } else { 6414 // Unrecognized code path; take its top real segment as the apk root: 6415 // e.g. /something/app/blah.apk => /something 6416 try { 6417 File f = codePath.getCanonicalFile(); 6418 File parent = f.getParentFile(); // non-null because codePath is a file 6419 File tmp; 6420 while ((tmp = parent.getParentFile()) != null) { 6421 f = parent; 6422 parent = tmp; 6423 } 6424 codeRoot = f; 6425 Slog.w(TAG, "Unrecognized code path " 6426 + codePath + " - using " + codeRoot); 6427 } catch (IOException e) { 6428 // Can't canonicalize the code path -- shenanigans? 6429 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6430 return Environment.getRootDirectory().getPath(); 6431 } 6432 } 6433 return codeRoot.getPath(); 6434 } 6435 6436 /** 6437 * Derive and set the location of native libraries for the given package, 6438 * which varies depending on where and how the package was installed. 6439 */ 6440 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6441 final ApplicationInfo info = pkg.applicationInfo; 6442 final String codePath = pkg.codePath; 6443 final File codeFile = new File(codePath); 6444 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6445 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6446 6447 info.nativeLibraryRootDir = null; 6448 info.nativeLibraryRootRequiresIsa = false; 6449 info.nativeLibraryDir = null; 6450 info.secondaryNativeLibraryDir = null; 6451 6452 if (isApkFile(codeFile)) { 6453 // Monolithic install 6454 if (bundledApp) { 6455 // If "/system/lib64/apkname" exists, assume that is the per-package 6456 // native library directory to use; otherwise use "/system/lib/apkname". 6457 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6458 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6459 getPrimaryInstructionSet(info)); 6460 6461 // This is a bundled system app so choose the path based on the ABI. 6462 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6463 // is just the default path. 6464 final String apkName = deriveCodePathName(codePath); 6465 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6466 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6467 apkName).getAbsolutePath(); 6468 6469 if (info.secondaryCpuAbi != null) { 6470 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6471 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6472 secondaryLibDir, apkName).getAbsolutePath(); 6473 } 6474 } else if (asecApp) { 6475 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6476 .getAbsolutePath(); 6477 } else { 6478 final String apkName = deriveCodePathName(codePath); 6479 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6480 .getAbsolutePath(); 6481 } 6482 6483 info.nativeLibraryRootRequiresIsa = false; 6484 info.nativeLibraryDir = info.nativeLibraryRootDir; 6485 } else { 6486 // Cluster install 6487 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6488 info.nativeLibraryRootRequiresIsa = true; 6489 6490 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6491 getPrimaryInstructionSet(info)).getAbsolutePath(); 6492 6493 if (info.secondaryCpuAbi != null) { 6494 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6495 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6496 } 6497 } 6498 } 6499 6500 /** 6501 * Calculate the abis and roots for a bundled app. These can uniquely 6502 * be determined from the contents of the system partition, i.e whether 6503 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6504 * of this information, and instead assume that the system was built 6505 * sensibly. 6506 */ 6507 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6508 PackageSetting pkgSetting) { 6509 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6510 6511 // If "/system/lib64/apkname" exists, assume that is the per-package 6512 // native library directory to use; otherwise use "/system/lib/apkname". 6513 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6514 setBundledAppAbi(pkg, apkRoot, apkName); 6515 // pkgSetting might be null during rescan following uninstall of updates 6516 // to a bundled app, so accommodate that possibility. The settings in 6517 // that case will be established later from the parsed package. 6518 // 6519 // If the settings aren't null, sync them up with what we've just derived. 6520 // note that apkRoot isn't stored in the package settings. 6521 if (pkgSetting != null) { 6522 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6523 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6524 } 6525 } 6526 6527 /** 6528 * Deduces the ABI of a bundled app and sets the relevant fields on the 6529 * parsed pkg object. 6530 * 6531 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6532 * under which system libraries are installed. 6533 * @param apkName the name of the installed package. 6534 */ 6535 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6536 final File codeFile = new File(pkg.codePath); 6537 6538 final boolean has64BitLibs; 6539 final boolean has32BitLibs; 6540 if (isApkFile(codeFile)) { 6541 // Monolithic install 6542 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6543 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6544 } else { 6545 // Cluster install 6546 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6547 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6548 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6549 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6550 has64BitLibs = (new File(rootDir, isa)).exists(); 6551 } else { 6552 has64BitLibs = false; 6553 } 6554 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6555 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6556 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6557 has32BitLibs = (new File(rootDir, isa)).exists(); 6558 } else { 6559 has32BitLibs = false; 6560 } 6561 } 6562 6563 if (has64BitLibs && !has32BitLibs) { 6564 // The package has 64 bit libs, but not 32 bit libs. Its primary 6565 // ABI should be 64 bit. We can safely assume here that the bundled 6566 // native libraries correspond to the most preferred ABI in the list. 6567 6568 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6569 pkg.applicationInfo.secondaryCpuAbi = null; 6570 } else if (has32BitLibs && !has64BitLibs) { 6571 // The package has 32 bit libs but not 64 bit libs. Its primary 6572 // ABI should be 32 bit. 6573 6574 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6575 pkg.applicationInfo.secondaryCpuAbi = null; 6576 } else if (has32BitLibs && has64BitLibs) { 6577 // The application has both 64 and 32 bit bundled libraries. We check 6578 // here that the app declares multiArch support, and warn if it doesn't. 6579 // 6580 // We will be lenient here and record both ABIs. The primary will be the 6581 // ABI that's higher on the list, i.e, a device that's configured to prefer 6582 // 64 bit apps will see a 64 bit primary ABI, 6583 6584 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6585 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6586 } 6587 6588 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6589 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6590 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6591 } else { 6592 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6593 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6594 } 6595 } else { 6596 pkg.applicationInfo.primaryCpuAbi = null; 6597 pkg.applicationInfo.secondaryCpuAbi = null; 6598 } 6599 } 6600 6601 private void killApplication(String pkgName, int appId, String reason) { 6602 // Request the ActivityManager to kill the process(only for existing packages) 6603 // so that we do not end up in a confused state while the user is still using the older 6604 // version of the application while the new one gets installed. 6605 IActivityManager am = ActivityManagerNative.getDefault(); 6606 if (am != null) { 6607 try { 6608 am.killApplicationWithAppId(pkgName, appId, reason); 6609 } catch (RemoteException e) { 6610 } 6611 } 6612 } 6613 6614 void removePackageLI(PackageSetting ps, boolean chatty) { 6615 if (DEBUG_INSTALL) { 6616 if (chatty) 6617 Log.d(TAG, "Removing package " + ps.name); 6618 } 6619 6620 // writer 6621 synchronized (mPackages) { 6622 mPackages.remove(ps.name); 6623 final PackageParser.Package pkg = ps.pkg; 6624 if (pkg != null) { 6625 cleanPackageDataStructuresLILPw(pkg, chatty); 6626 } 6627 } 6628 } 6629 6630 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6631 if (DEBUG_INSTALL) { 6632 if (chatty) 6633 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6634 } 6635 6636 // writer 6637 synchronized (mPackages) { 6638 mPackages.remove(pkg.applicationInfo.packageName); 6639 cleanPackageDataStructuresLILPw(pkg, chatty); 6640 } 6641 } 6642 6643 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6644 int N = pkg.providers.size(); 6645 StringBuilder r = null; 6646 int i; 6647 for (i=0; i<N; i++) { 6648 PackageParser.Provider p = pkg.providers.get(i); 6649 mProviders.removeProvider(p); 6650 if (p.info.authority == null) { 6651 6652 /* There was another ContentProvider with this authority when 6653 * this app was installed so this authority is null, 6654 * Ignore it as we don't have to unregister the provider. 6655 */ 6656 continue; 6657 } 6658 String names[] = p.info.authority.split(";"); 6659 for (int j = 0; j < names.length; j++) { 6660 if (mProvidersByAuthority.get(names[j]) == p) { 6661 mProvidersByAuthority.remove(names[j]); 6662 if (DEBUG_REMOVE) { 6663 if (chatty) 6664 Log.d(TAG, "Unregistered content provider: " + names[j] 6665 + ", className = " + p.info.name + ", isSyncable = " 6666 + p.info.isSyncable); 6667 } 6668 } 6669 } 6670 if (DEBUG_REMOVE && chatty) { 6671 if (r == null) { 6672 r = new StringBuilder(256); 6673 } else { 6674 r.append(' '); 6675 } 6676 r.append(p.info.name); 6677 } 6678 } 6679 if (r != null) { 6680 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6681 } 6682 6683 N = pkg.services.size(); 6684 r = null; 6685 for (i=0; i<N; i++) { 6686 PackageParser.Service s = pkg.services.get(i); 6687 mServices.removeService(s); 6688 if (chatty) { 6689 if (r == null) { 6690 r = new StringBuilder(256); 6691 } else { 6692 r.append(' '); 6693 } 6694 r.append(s.info.name); 6695 } 6696 } 6697 if (r != null) { 6698 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6699 } 6700 6701 N = pkg.receivers.size(); 6702 r = null; 6703 for (i=0; i<N; i++) { 6704 PackageParser.Activity a = pkg.receivers.get(i); 6705 mReceivers.removeActivity(a, "receiver"); 6706 if (DEBUG_REMOVE && chatty) { 6707 if (r == null) { 6708 r = new StringBuilder(256); 6709 } else { 6710 r.append(' '); 6711 } 6712 r.append(a.info.name); 6713 } 6714 } 6715 if (r != null) { 6716 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6717 } 6718 6719 N = pkg.activities.size(); 6720 r = null; 6721 for (i=0; i<N; i++) { 6722 PackageParser.Activity a = pkg.activities.get(i); 6723 mActivities.removeActivity(a, "activity"); 6724 if (DEBUG_REMOVE && chatty) { 6725 if (r == null) { 6726 r = new StringBuilder(256); 6727 } else { 6728 r.append(' '); 6729 } 6730 r.append(a.info.name); 6731 } 6732 } 6733 if (r != null) { 6734 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6735 } 6736 6737 N = pkg.permissions.size(); 6738 r = null; 6739 for (i=0; i<N; i++) { 6740 PackageParser.Permission p = pkg.permissions.get(i); 6741 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6742 if (bp == null) { 6743 bp = mSettings.mPermissionTrees.get(p.info.name); 6744 } 6745 if (bp != null && bp.perm == p) { 6746 bp.perm = null; 6747 if (DEBUG_REMOVE && chatty) { 6748 if (r == null) { 6749 r = new StringBuilder(256); 6750 } else { 6751 r.append(' '); 6752 } 6753 r.append(p.info.name); 6754 } 6755 } 6756 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6757 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6758 if (appOpPerms != null) { 6759 appOpPerms.remove(pkg.packageName); 6760 } 6761 } 6762 } 6763 if (r != null) { 6764 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6765 } 6766 6767 N = pkg.requestedPermissions.size(); 6768 r = null; 6769 for (i=0; i<N; i++) { 6770 String perm = pkg.requestedPermissions.get(i); 6771 BasePermission bp = mSettings.mPermissions.get(perm); 6772 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6773 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6774 if (appOpPerms != null) { 6775 appOpPerms.remove(pkg.packageName); 6776 if (appOpPerms.isEmpty()) { 6777 mAppOpPermissionPackages.remove(perm); 6778 } 6779 } 6780 } 6781 } 6782 if (r != null) { 6783 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6784 } 6785 6786 N = pkg.instrumentation.size(); 6787 r = null; 6788 for (i=0; i<N; i++) { 6789 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6790 mInstrumentation.remove(a.getComponentName()); 6791 if (DEBUG_REMOVE && chatty) { 6792 if (r == null) { 6793 r = new StringBuilder(256); 6794 } else { 6795 r.append(' '); 6796 } 6797 r.append(a.info.name); 6798 } 6799 } 6800 if (r != null) { 6801 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6802 } 6803 6804 r = null; 6805 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6806 // Only system apps can hold shared libraries. 6807 if (pkg.libraryNames != null) { 6808 for (i=0; i<pkg.libraryNames.size(); i++) { 6809 String name = pkg.libraryNames.get(i); 6810 SharedLibraryEntry cur = mSharedLibraries.get(name); 6811 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6812 mSharedLibraries.remove(name); 6813 if (DEBUG_REMOVE && chatty) { 6814 if (r == null) { 6815 r = new StringBuilder(256); 6816 } else { 6817 r.append(' '); 6818 } 6819 r.append(name); 6820 } 6821 } 6822 } 6823 } 6824 } 6825 if (r != null) { 6826 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6827 } 6828 } 6829 6830 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6831 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6832 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6833 return true; 6834 } 6835 } 6836 return false; 6837 } 6838 6839 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6840 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6841 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6842 6843 private void updatePermissionsLPw(String changingPkg, 6844 PackageParser.Package pkgInfo, int flags) { 6845 // Make sure there are no dangling permission trees. 6846 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6847 while (it.hasNext()) { 6848 final BasePermission bp = it.next(); 6849 if (bp.packageSetting == null) { 6850 // We may not yet have parsed the package, so just see if 6851 // we still know about its settings. 6852 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6853 } 6854 if (bp.packageSetting == null) { 6855 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6856 + " from package " + bp.sourcePackage); 6857 it.remove(); 6858 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6859 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6860 Slog.i(TAG, "Removing old permission tree: " + bp.name 6861 + " from package " + bp.sourcePackage); 6862 flags |= UPDATE_PERMISSIONS_ALL; 6863 it.remove(); 6864 } 6865 } 6866 } 6867 6868 // Make sure all dynamic permissions have been assigned to a package, 6869 // and make sure there are no dangling permissions. 6870 it = mSettings.mPermissions.values().iterator(); 6871 while (it.hasNext()) { 6872 final BasePermission bp = it.next(); 6873 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6874 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6875 + bp.name + " pkg=" + bp.sourcePackage 6876 + " info=" + bp.pendingInfo); 6877 if (bp.packageSetting == null && bp.pendingInfo != null) { 6878 final BasePermission tree = findPermissionTreeLP(bp.name); 6879 if (tree != null && tree.perm != null) { 6880 bp.packageSetting = tree.packageSetting; 6881 bp.perm = new PackageParser.Permission(tree.perm.owner, 6882 new PermissionInfo(bp.pendingInfo)); 6883 bp.perm.info.packageName = tree.perm.info.packageName; 6884 bp.perm.info.name = bp.name; 6885 bp.uid = tree.uid; 6886 } 6887 } 6888 } 6889 if (bp.packageSetting == null) { 6890 // We may not yet have parsed the package, so just see if 6891 // we still know about its settings. 6892 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6893 } 6894 if (bp.packageSetting == null) { 6895 Slog.w(TAG, "Removing dangling permission: " + bp.name 6896 + " from package " + bp.sourcePackage); 6897 it.remove(); 6898 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6899 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6900 Slog.i(TAG, "Removing old permission: " + bp.name 6901 + " from package " + bp.sourcePackage); 6902 flags |= UPDATE_PERMISSIONS_ALL; 6903 it.remove(); 6904 } 6905 } 6906 } 6907 6908 // Now update the permissions for all packages, in particular 6909 // replace the granted permissions of the system packages. 6910 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6911 for (PackageParser.Package pkg : mPackages.values()) { 6912 if (pkg != pkgInfo) { 6913 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6914 changingPkg); 6915 } 6916 } 6917 } 6918 6919 if (pkgInfo != null) { 6920 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6921 } 6922 } 6923 6924 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6925 String packageOfInterest) { 6926 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6927 if (ps == null) { 6928 return; 6929 } 6930 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6931 HashSet<String> origPermissions = gp.grantedPermissions; 6932 boolean changedPermission = false; 6933 6934 if (replace) { 6935 ps.permissionsFixed = false; 6936 if (gp == ps) { 6937 origPermissions = new HashSet<String>(gp.grantedPermissions); 6938 gp.grantedPermissions.clear(); 6939 gp.gids = mGlobalGids; 6940 } 6941 } 6942 6943 if (gp.gids == null) { 6944 gp.gids = mGlobalGids; 6945 } 6946 6947 final int N = pkg.requestedPermissions.size(); 6948 for (int i=0; i<N; i++) { 6949 final String name = pkg.requestedPermissions.get(i); 6950 final boolean required = pkg.requestedPermissionsRequired.get(i); 6951 final BasePermission bp = mSettings.mPermissions.get(name); 6952 if (DEBUG_INSTALL) { 6953 if (gp != ps) { 6954 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6955 } 6956 } 6957 6958 if (bp == null || bp.packageSetting == null) { 6959 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6960 Slog.w(TAG, "Unknown permission " + name 6961 + " in package " + pkg.packageName); 6962 } 6963 continue; 6964 } 6965 6966 final String perm = bp.name; 6967 boolean allowed; 6968 boolean allowedSig = false; 6969 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6970 // Keep track of app op permissions. 6971 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6972 if (pkgs == null) { 6973 pkgs = new ArraySet<>(); 6974 mAppOpPermissionPackages.put(bp.name, pkgs); 6975 } 6976 pkgs.add(pkg.packageName); 6977 } 6978 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6979 if (level == PermissionInfo.PROTECTION_NORMAL 6980 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6981 // We grant a normal or dangerous permission if any of the following 6982 // are true: 6983 // 1) The permission is required 6984 // 2) The permission is optional, but was granted in the past 6985 // 3) The permission is optional, but was requested by an 6986 // app in /system (not /data) 6987 // 6988 // Otherwise, reject the permission. 6989 allowed = (required || origPermissions.contains(perm) 6990 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6991 } else if (bp.packageSetting == null) { 6992 // This permission is invalid; skip it. 6993 allowed = false; 6994 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6995 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6996 if (allowed) { 6997 allowedSig = true; 6998 } 6999 } else { 7000 allowed = false; 7001 } 7002 if (DEBUG_INSTALL) { 7003 if (gp != ps) { 7004 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7005 } 7006 } 7007 if (allowed) { 7008 if (!isSystemApp(ps) && ps.permissionsFixed) { 7009 // If this is an existing, non-system package, then 7010 // we can't add any new permissions to it. 7011 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7012 // Except... if this is a permission that was added 7013 // to the platform (note: need to only do this when 7014 // updating the platform). 7015 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7016 } 7017 } 7018 if (allowed) { 7019 if (!gp.grantedPermissions.contains(perm)) { 7020 changedPermission = true; 7021 gp.grantedPermissions.add(perm); 7022 gp.gids = appendInts(gp.gids, bp.gids); 7023 } else if (!ps.haveGids) { 7024 gp.gids = appendInts(gp.gids, bp.gids); 7025 } 7026 } else { 7027 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7028 Slog.w(TAG, "Not granting permission " + perm 7029 + " to package " + pkg.packageName 7030 + " because it was previously installed without"); 7031 } 7032 } 7033 } else { 7034 if (gp.grantedPermissions.remove(perm)) { 7035 changedPermission = true; 7036 gp.gids = removeInts(gp.gids, bp.gids); 7037 Slog.i(TAG, "Un-granting permission " + perm 7038 + " from package " + pkg.packageName 7039 + " (protectionLevel=" + bp.protectionLevel 7040 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7041 + ")"); 7042 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7043 // Don't print warning for app op permissions, since it is fine for them 7044 // not to be granted, there is a UI for the user to decide. 7045 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7046 Slog.w(TAG, "Not granting permission " + perm 7047 + " to package " + pkg.packageName 7048 + " (protectionLevel=" + bp.protectionLevel 7049 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7050 + ")"); 7051 } 7052 } 7053 } 7054 } 7055 7056 if ((changedPermission || replace) && !ps.permissionsFixed && 7057 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7058 // This is the first that we have heard about this package, so the 7059 // permissions we have now selected are fixed until explicitly 7060 // changed. 7061 ps.permissionsFixed = true; 7062 } 7063 ps.haveGids = true; 7064 } 7065 7066 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7067 boolean allowed = false; 7068 final int NP = PackageParser.NEW_PERMISSIONS.length; 7069 for (int ip=0; ip<NP; ip++) { 7070 final PackageParser.NewPermissionInfo npi 7071 = PackageParser.NEW_PERMISSIONS[ip]; 7072 if (npi.name.equals(perm) 7073 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7074 allowed = true; 7075 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7076 + pkg.packageName); 7077 break; 7078 } 7079 } 7080 return allowed; 7081 } 7082 7083 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7084 BasePermission bp, HashSet<String> origPermissions) { 7085 boolean allowed; 7086 allowed = (compareSignatures( 7087 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7088 == PackageManager.SIGNATURE_MATCH) 7089 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7090 == PackageManager.SIGNATURE_MATCH); 7091 if (!allowed && (bp.protectionLevel 7092 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7093 if (isSystemApp(pkg)) { 7094 // For updated system applications, a system permission 7095 // is granted only if it had been defined by the original application. 7096 if (isUpdatedSystemApp(pkg)) { 7097 final PackageSetting sysPs = mSettings 7098 .getDisabledSystemPkgLPr(pkg.packageName); 7099 final GrantedPermissions origGp = sysPs.sharedUser != null 7100 ? sysPs.sharedUser : sysPs; 7101 7102 if (origGp.grantedPermissions.contains(perm)) { 7103 // If the original was granted this permission, we take 7104 // that grant decision as read and propagate it to the 7105 // update. 7106 allowed = true; 7107 } else { 7108 // The system apk may have been updated with an older 7109 // version of the one on the data partition, but which 7110 // granted a new system permission that it didn't have 7111 // before. In this case we do want to allow the app to 7112 // now get the new permission if the ancestral apk is 7113 // privileged to get it. 7114 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7115 for (int j=0; 7116 j<sysPs.pkg.requestedPermissions.size(); j++) { 7117 if (perm.equals( 7118 sysPs.pkg.requestedPermissions.get(j))) { 7119 allowed = true; 7120 break; 7121 } 7122 } 7123 } 7124 } 7125 } else { 7126 allowed = isPrivilegedApp(pkg); 7127 } 7128 } 7129 } 7130 if (!allowed && (bp.protectionLevel 7131 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7132 // For development permissions, a development permission 7133 // is granted only if it was already granted. 7134 allowed = origPermissions.contains(perm); 7135 } 7136 return allowed; 7137 } 7138 7139 final class ActivityIntentResolver 7140 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7141 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7142 boolean defaultOnly, int userId) { 7143 if (!sUserManager.exists(userId)) return null; 7144 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7145 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7146 } 7147 7148 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7149 int userId) { 7150 if (!sUserManager.exists(userId)) return null; 7151 mFlags = flags; 7152 return super.queryIntent(intent, resolvedType, 7153 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7154 } 7155 7156 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7157 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7158 if (!sUserManager.exists(userId)) return null; 7159 if (packageActivities == null) { 7160 return null; 7161 } 7162 mFlags = flags; 7163 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7164 final int N = packageActivities.size(); 7165 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7166 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7167 7168 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7169 for (int i = 0; i < N; ++i) { 7170 intentFilters = packageActivities.get(i).intents; 7171 if (intentFilters != null && intentFilters.size() > 0) { 7172 PackageParser.ActivityIntentInfo[] array = 7173 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7174 intentFilters.toArray(array); 7175 listCut.add(array); 7176 } 7177 } 7178 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7179 } 7180 7181 public final void addActivity(PackageParser.Activity a, String type) { 7182 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7183 mActivities.put(a.getComponentName(), a); 7184 if (DEBUG_SHOW_INFO) 7185 Log.v( 7186 TAG, " " + type + " " + 7187 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7188 if (DEBUG_SHOW_INFO) 7189 Log.v(TAG, " Class=" + a.info.name); 7190 final int NI = a.intents.size(); 7191 for (int j=0; j<NI; j++) { 7192 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7193 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7194 intent.setPriority(0); 7195 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7196 + a.className + " with priority > 0, forcing to 0"); 7197 } 7198 if (DEBUG_SHOW_INFO) { 7199 Log.v(TAG, " IntentFilter:"); 7200 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7201 } 7202 if (!intent.debugCheck()) { 7203 Log.w(TAG, "==> For Activity " + a.info.name); 7204 } 7205 addFilter(intent); 7206 } 7207 } 7208 7209 public final void removeActivity(PackageParser.Activity a, String type) { 7210 mActivities.remove(a.getComponentName()); 7211 if (DEBUG_SHOW_INFO) { 7212 Log.v(TAG, " " + type + " " 7213 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7214 : a.info.name) + ":"); 7215 Log.v(TAG, " Class=" + a.info.name); 7216 } 7217 final int NI = a.intents.size(); 7218 for (int j=0; j<NI; j++) { 7219 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7220 if (DEBUG_SHOW_INFO) { 7221 Log.v(TAG, " IntentFilter:"); 7222 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7223 } 7224 removeFilter(intent); 7225 } 7226 } 7227 7228 @Override 7229 protected boolean allowFilterResult( 7230 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7231 ActivityInfo filterAi = filter.activity.info; 7232 for (int i=dest.size()-1; i>=0; i--) { 7233 ActivityInfo destAi = dest.get(i).activityInfo; 7234 if (destAi.name == filterAi.name 7235 && destAi.packageName == filterAi.packageName) { 7236 return false; 7237 } 7238 } 7239 return true; 7240 } 7241 7242 @Override 7243 protected ActivityIntentInfo[] newArray(int size) { 7244 return new ActivityIntentInfo[size]; 7245 } 7246 7247 @Override 7248 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7249 if (!sUserManager.exists(userId)) return true; 7250 PackageParser.Package p = filter.activity.owner; 7251 if (p != null) { 7252 PackageSetting ps = (PackageSetting)p.mExtras; 7253 if (ps != null) { 7254 // System apps are never considered stopped for purposes of 7255 // filtering, because there may be no way for the user to 7256 // actually re-launch them. 7257 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7258 && ps.getStopped(userId); 7259 } 7260 } 7261 return false; 7262 } 7263 7264 @Override 7265 protected boolean isPackageForFilter(String packageName, 7266 PackageParser.ActivityIntentInfo info) { 7267 return packageName.equals(info.activity.owner.packageName); 7268 } 7269 7270 @Override 7271 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7272 int match, int userId) { 7273 if (!sUserManager.exists(userId)) return null; 7274 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7275 return null; 7276 } 7277 final PackageParser.Activity activity = info.activity; 7278 if (mSafeMode && (activity.info.applicationInfo.flags 7279 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7280 return null; 7281 } 7282 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7283 if (ps == null) { 7284 return null; 7285 } 7286 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7287 ps.readUserState(userId), userId); 7288 if (ai == null) { 7289 return null; 7290 } 7291 final ResolveInfo res = new ResolveInfo(); 7292 res.activityInfo = ai; 7293 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7294 res.filter = info; 7295 } 7296 res.priority = info.getPriority(); 7297 res.preferredOrder = activity.owner.mPreferredOrder; 7298 //System.out.println("Result: " + res.activityInfo.className + 7299 // " = " + res.priority); 7300 res.match = match; 7301 res.isDefault = info.hasDefault; 7302 res.labelRes = info.labelRes; 7303 res.nonLocalizedLabel = info.nonLocalizedLabel; 7304 if (userNeedsBadging(userId)) { 7305 res.noResourceId = true; 7306 } else { 7307 res.icon = info.icon; 7308 } 7309 res.system = isSystemApp(res.activityInfo.applicationInfo); 7310 return res; 7311 } 7312 7313 @Override 7314 protected void sortResults(List<ResolveInfo> results) { 7315 Collections.sort(results, mResolvePrioritySorter); 7316 } 7317 7318 @Override 7319 protected void dumpFilter(PrintWriter out, String prefix, 7320 PackageParser.ActivityIntentInfo filter) { 7321 out.print(prefix); out.print( 7322 Integer.toHexString(System.identityHashCode(filter.activity))); 7323 out.print(' '); 7324 filter.activity.printComponentShortName(out); 7325 out.print(" filter "); 7326 out.println(Integer.toHexString(System.identityHashCode(filter))); 7327 } 7328 7329 // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7330 // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7331 // final List<ResolveInfo> retList = Lists.newArrayList(); 7332 // while (i.hasNext()) { 7333 // final ResolveInfo resolveInfo = i.next(); 7334 // if (isEnabledLP(resolveInfo.activityInfo)) { 7335 // retList.add(resolveInfo); 7336 // } 7337 // } 7338 // return retList; 7339 // } 7340 7341 // Keys are String (activity class name), values are Activity. 7342 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7343 = new HashMap<ComponentName, PackageParser.Activity>(); 7344 private int mFlags; 7345 } 7346 7347 private final class ServiceIntentResolver 7348 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7349 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7350 boolean defaultOnly, int userId) { 7351 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7352 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7353 } 7354 7355 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7356 int userId) { 7357 if (!sUserManager.exists(userId)) return null; 7358 mFlags = flags; 7359 return super.queryIntent(intent, resolvedType, 7360 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7361 } 7362 7363 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7364 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7365 if (!sUserManager.exists(userId)) return null; 7366 if (packageServices == null) { 7367 return null; 7368 } 7369 mFlags = flags; 7370 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7371 final int N = packageServices.size(); 7372 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7373 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7374 7375 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7376 for (int i = 0; i < N; ++i) { 7377 intentFilters = packageServices.get(i).intents; 7378 if (intentFilters != null && intentFilters.size() > 0) { 7379 PackageParser.ServiceIntentInfo[] array = 7380 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7381 intentFilters.toArray(array); 7382 listCut.add(array); 7383 } 7384 } 7385 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7386 } 7387 7388 public final void addService(PackageParser.Service s) { 7389 mServices.put(s.getComponentName(), s); 7390 if (DEBUG_SHOW_INFO) { 7391 Log.v(TAG, " " 7392 + (s.info.nonLocalizedLabel != null 7393 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7394 Log.v(TAG, " Class=" + s.info.name); 7395 } 7396 final int NI = s.intents.size(); 7397 int j; 7398 for (j=0; j<NI; j++) { 7399 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7400 if (DEBUG_SHOW_INFO) { 7401 Log.v(TAG, " IntentFilter:"); 7402 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7403 } 7404 if (!intent.debugCheck()) { 7405 Log.w(TAG, "==> For Service " + s.info.name); 7406 } 7407 addFilter(intent); 7408 } 7409 } 7410 7411 public final void removeService(PackageParser.Service s) { 7412 mServices.remove(s.getComponentName()); 7413 if (DEBUG_SHOW_INFO) { 7414 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7415 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7416 Log.v(TAG, " Class=" + s.info.name); 7417 } 7418 final int NI = s.intents.size(); 7419 int j; 7420 for (j=0; j<NI; j++) { 7421 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7422 if (DEBUG_SHOW_INFO) { 7423 Log.v(TAG, " IntentFilter:"); 7424 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7425 } 7426 removeFilter(intent); 7427 } 7428 } 7429 7430 @Override 7431 protected boolean allowFilterResult( 7432 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7433 ServiceInfo filterSi = filter.service.info; 7434 for (int i=dest.size()-1; i>=0; i--) { 7435 ServiceInfo destAi = dest.get(i).serviceInfo; 7436 if (destAi.name == filterSi.name 7437 && destAi.packageName == filterSi.packageName) { 7438 return false; 7439 } 7440 } 7441 return true; 7442 } 7443 7444 @Override 7445 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7446 return new PackageParser.ServiceIntentInfo[size]; 7447 } 7448 7449 @Override 7450 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7451 if (!sUserManager.exists(userId)) return true; 7452 PackageParser.Package p = filter.service.owner; 7453 if (p != null) { 7454 PackageSetting ps = (PackageSetting)p.mExtras; 7455 if (ps != null) { 7456 // System apps are never considered stopped for purposes of 7457 // filtering, because there may be no way for the user to 7458 // actually re-launch them. 7459 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7460 && ps.getStopped(userId); 7461 } 7462 } 7463 return false; 7464 } 7465 7466 @Override 7467 protected boolean isPackageForFilter(String packageName, 7468 PackageParser.ServiceIntentInfo info) { 7469 return packageName.equals(info.service.owner.packageName); 7470 } 7471 7472 @Override 7473 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7474 int match, int userId) { 7475 if (!sUserManager.exists(userId)) return null; 7476 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7477 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7478 return null; 7479 } 7480 final PackageParser.Service service = info.service; 7481 if (mSafeMode && (service.info.applicationInfo.flags 7482 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7483 return null; 7484 } 7485 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7486 if (ps == null) { 7487 return null; 7488 } 7489 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7490 ps.readUserState(userId), userId); 7491 if (si == null) { 7492 return null; 7493 } 7494 final ResolveInfo res = new ResolveInfo(); 7495 res.serviceInfo = si; 7496 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7497 res.filter = filter; 7498 } 7499 res.priority = info.getPriority(); 7500 res.preferredOrder = service.owner.mPreferredOrder; 7501 //System.out.println("Result: " + res.activityInfo.className + 7502 // " = " + res.priority); 7503 res.match = match; 7504 res.isDefault = info.hasDefault; 7505 res.labelRes = info.labelRes; 7506 res.nonLocalizedLabel = info.nonLocalizedLabel; 7507 res.icon = info.icon; 7508 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7509 return res; 7510 } 7511 7512 @Override 7513 protected void sortResults(List<ResolveInfo> results) { 7514 Collections.sort(results, mResolvePrioritySorter); 7515 } 7516 7517 @Override 7518 protected void dumpFilter(PrintWriter out, String prefix, 7519 PackageParser.ServiceIntentInfo filter) { 7520 out.print(prefix); out.print( 7521 Integer.toHexString(System.identityHashCode(filter.service))); 7522 out.print(' '); 7523 filter.service.printComponentShortName(out); 7524 out.print(" filter "); 7525 out.println(Integer.toHexString(System.identityHashCode(filter))); 7526 } 7527 7528 // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7529 // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7530 // final List<ResolveInfo> retList = Lists.newArrayList(); 7531 // while (i.hasNext()) { 7532 // final ResolveInfo resolveInfo = (ResolveInfo) i; 7533 // if (isEnabledLP(resolveInfo.serviceInfo)) { 7534 // retList.add(resolveInfo); 7535 // } 7536 // } 7537 // return retList; 7538 // } 7539 7540 // Keys are String (activity class name), values are Activity. 7541 private final HashMap<ComponentName, PackageParser.Service> mServices 7542 = new HashMap<ComponentName, PackageParser.Service>(); 7543 private int mFlags; 7544 }; 7545 7546 private final class ProviderIntentResolver 7547 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7548 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7549 boolean defaultOnly, int userId) { 7550 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7551 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7552 } 7553 7554 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7555 int userId) { 7556 if (!sUserManager.exists(userId)) 7557 return null; 7558 mFlags = flags; 7559 return super.queryIntent(intent, resolvedType, 7560 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7561 } 7562 7563 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7564 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7565 if (!sUserManager.exists(userId)) 7566 return null; 7567 if (packageProviders == null) { 7568 return null; 7569 } 7570 mFlags = flags; 7571 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7572 final int N = packageProviders.size(); 7573 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7574 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7575 7576 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7577 for (int i = 0; i < N; ++i) { 7578 intentFilters = packageProviders.get(i).intents; 7579 if (intentFilters != null && intentFilters.size() > 0) { 7580 PackageParser.ProviderIntentInfo[] array = 7581 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7582 intentFilters.toArray(array); 7583 listCut.add(array); 7584 } 7585 } 7586 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7587 } 7588 7589 public final void addProvider(PackageParser.Provider p) { 7590 if (mProviders.containsKey(p.getComponentName())) { 7591 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7592 return; 7593 } 7594 7595 mProviders.put(p.getComponentName(), p); 7596 if (DEBUG_SHOW_INFO) { 7597 Log.v(TAG, " " 7598 + (p.info.nonLocalizedLabel != null 7599 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7600 Log.v(TAG, " Class=" + p.info.name); 7601 } 7602 final int NI = p.intents.size(); 7603 int j; 7604 for (j = 0; j < NI; j++) { 7605 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7606 if (DEBUG_SHOW_INFO) { 7607 Log.v(TAG, " IntentFilter:"); 7608 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7609 } 7610 if (!intent.debugCheck()) { 7611 Log.w(TAG, "==> For Provider " + p.info.name); 7612 } 7613 addFilter(intent); 7614 } 7615 } 7616 7617 public final void removeProvider(PackageParser.Provider p) { 7618 mProviders.remove(p.getComponentName()); 7619 if (DEBUG_SHOW_INFO) { 7620 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7621 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7622 Log.v(TAG, " Class=" + p.info.name); 7623 } 7624 final int NI = p.intents.size(); 7625 int j; 7626 for (j = 0; j < NI; j++) { 7627 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7628 if (DEBUG_SHOW_INFO) { 7629 Log.v(TAG, " IntentFilter:"); 7630 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7631 } 7632 removeFilter(intent); 7633 } 7634 } 7635 7636 @Override 7637 protected boolean allowFilterResult( 7638 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7639 ProviderInfo filterPi = filter.provider.info; 7640 for (int i = dest.size() - 1; i >= 0; i--) { 7641 ProviderInfo destPi = dest.get(i).providerInfo; 7642 if (destPi.name == filterPi.name 7643 && destPi.packageName == filterPi.packageName) { 7644 return false; 7645 } 7646 } 7647 return true; 7648 } 7649 7650 @Override 7651 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7652 return new PackageParser.ProviderIntentInfo[size]; 7653 } 7654 7655 @Override 7656 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7657 if (!sUserManager.exists(userId)) 7658 return true; 7659 PackageParser.Package p = filter.provider.owner; 7660 if (p != null) { 7661 PackageSetting ps = (PackageSetting) p.mExtras; 7662 if (ps != null) { 7663 // System apps are never considered stopped for purposes of 7664 // filtering, because there may be no way for the user to 7665 // actually re-launch them. 7666 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7667 && ps.getStopped(userId); 7668 } 7669 } 7670 return false; 7671 } 7672 7673 @Override 7674 protected boolean isPackageForFilter(String packageName, 7675 PackageParser.ProviderIntentInfo info) { 7676 return packageName.equals(info.provider.owner.packageName); 7677 } 7678 7679 @Override 7680 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7681 int match, int userId) { 7682 if (!sUserManager.exists(userId)) 7683 return null; 7684 final PackageParser.ProviderIntentInfo info = filter; 7685 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7686 return null; 7687 } 7688 final PackageParser.Provider provider = info.provider; 7689 if (mSafeMode && (provider.info.applicationInfo.flags 7690 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7691 return null; 7692 } 7693 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7694 if (ps == null) { 7695 return null; 7696 } 7697 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7698 ps.readUserState(userId), userId); 7699 if (pi == null) { 7700 return null; 7701 } 7702 final ResolveInfo res = new ResolveInfo(); 7703 res.providerInfo = pi; 7704 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7705 res.filter = filter; 7706 } 7707 res.priority = info.getPriority(); 7708 res.preferredOrder = provider.owner.mPreferredOrder; 7709 res.match = match; 7710 res.isDefault = info.hasDefault; 7711 res.labelRes = info.labelRes; 7712 res.nonLocalizedLabel = info.nonLocalizedLabel; 7713 res.icon = info.icon; 7714 res.system = isSystemApp(res.providerInfo.applicationInfo); 7715 return res; 7716 } 7717 7718 @Override 7719 protected void sortResults(List<ResolveInfo> results) { 7720 Collections.sort(results, mResolvePrioritySorter); 7721 } 7722 7723 @Override 7724 protected void dumpFilter(PrintWriter out, String prefix, 7725 PackageParser.ProviderIntentInfo filter) { 7726 out.print(prefix); 7727 out.print( 7728 Integer.toHexString(System.identityHashCode(filter.provider))); 7729 out.print(' '); 7730 filter.provider.printComponentShortName(out); 7731 out.print(" filter "); 7732 out.println(Integer.toHexString(System.identityHashCode(filter))); 7733 } 7734 7735 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7736 = new HashMap<ComponentName, PackageParser.Provider>(); 7737 private int mFlags; 7738 }; 7739 7740 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7741 new Comparator<ResolveInfo>() { 7742 public int compare(ResolveInfo r1, ResolveInfo r2) { 7743 int v1 = r1.priority; 7744 int v2 = r2.priority; 7745 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7746 if (v1 != v2) { 7747 return (v1 > v2) ? -1 : 1; 7748 } 7749 v1 = r1.preferredOrder; 7750 v2 = r2.preferredOrder; 7751 if (v1 != v2) { 7752 return (v1 > v2) ? -1 : 1; 7753 } 7754 if (r1.isDefault != r2.isDefault) { 7755 return r1.isDefault ? -1 : 1; 7756 } 7757 v1 = r1.match; 7758 v2 = r2.match; 7759 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7760 if (v1 != v2) { 7761 return (v1 > v2) ? -1 : 1; 7762 } 7763 if (r1.system != r2.system) { 7764 return r1.system ? -1 : 1; 7765 } 7766 return 0; 7767 } 7768 }; 7769 7770 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7771 new Comparator<ProviderInfo>() { 7772 public int compare(ProviderInfo p1, ProviderInfo p2) { 7773 final int v1 = p1.initOrder; 7774 final int v2 = p2.initOrder; 7775 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7776 } 7777 }; 7778 7779 static final void sendPackageBroadcast(String action, String pkg, 7780 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7781 int[] userIds) { 7782 IActivityManager am = ActivityManagerNative.getDefault(); 7783 if (am != null) { 7784 try { 7785 if (userIds == null) { 7786 userIds = am.getRunningUserIds(); 7787 } 7788 for (int id : userIds) { 7789 final Intent intent = new Intent(action, 7790 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7791 if (extras != null) { 7792 intent.putExtras(extras); 7793 } 7794 if (targetPkg != null) { 7795 intent.setPackage(targetPkg); 7796 } 7797 // Modify the UID when posting to other users 7798 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7799 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7800 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7801 intent.putExtra(Intent.EXTRA_UID, uid); 7802 } 7803 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7804 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7805 if (DEBUG_BROADCASTS) { 7806 RuntimeException here = new RuntimeException("here"); 7807 here.fillInStackTrace(); 7808 Slog.d(TAG, "Sending to user " + id + ": " 7809 + intent.toShortString(false, true, false, false) 7810 + " " + intent.getExtras(), here); 7811 } 7812 am.broadcastIntent(null, intent, null, finishedReceiver, 7813 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7814 finishedReceiver != null, false, id); 7815 } 7816 } catch (RemoteException ex) { 7817 } 7818 } 7819 } 7820 7821 /** 7822 * Check if the external storage media is available. This is true if there 7823 * is a mounted external storage medium or if the external storage is 7824 * emulated. 7825 */ 7826 private boolean isExternalMediaAvailable() { 7827 return mMediaMounted || Environment.isExternalStorageEmulated(); 7828 } 7829 7830 @Override 7831 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7832 // writer 7833 synchronized (mPackages) { 7834 if (!isExternalMediaAvailable()) { 7835 // If the external storage is no longer mounted at this point, 7836 // the caller may not have been able to delete all of this 7837 // packages files and can not delete any more. Bail. 7838 return null; 7839 } 7840 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7841 if (lastPackage != null) { 7842 pkgs.remove(lastPackage); 7843 } 7844 if (pkgs.size() > 0) { 7845 return pkgs.get(0); 7846 } 7847 } 7848 return null; 7849 } 7850 7851 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7852 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7853 userId, andCode ? 1 : 0, packageName); 7854 if (mSystemReady) { 7855 msg.sendToTarget(); 7856 } else { 7857 if (mPostSystemReadyMessages == null) { 7858 mPostSystemReadyMessages = new ArrayList<>(); 7859 } 7860 mPostSystemReadyMessages.add(msg); 7861 } 7862 } 7863 7864 void startCleaningPackages() { 7865 // reader 7866 synchronized (mPackages) { 7867 if (!isExternalMediaAvailable()) { 7868 return; 7869 } 7870 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7871 return; 7872 } 7873 } 7874 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7875 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7876 IActivityManager am = ActivityManagerNative.getDefault(); 7877 if (am != null) { 7878 try { 7879 am.startService(null, intent, null, UserHandle.USER_OWNER); 7880 } catch (RemoteException e) { 7881 } 7882 } 7883 } 7884 7885 @Override 7886 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7887 int installFlags, String installerPackageName, VerificationParams verificationParams, 7888 String packageAbiOverride) { 7889 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7890 packageAbiOverride, UserHandle.getCallingUserId()); 7891 } 7892 7893 @Override 7894 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7895 int installFlags, String installerPackageName, VerificationParams verificationParams, 7896 String packageAbiOverride, int userId) { 7897 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7898 7899 final int callingUid = Binder.getCallingUid(); 7900 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7901 7902 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7903 try { 7904 if (observer != null) { 7905 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7906 } 7907 } catch (RemoteException re) { 7908 } 7909 return; 7910 } 7911 7912 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7913 installFlags |= PackageManager.INSTALL_FROM_ADB; 7914 7915 } else { 7916 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7917 // about installerPackageName. 7918 7919 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7920 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7921 } 7922 7923 UserHandle user; 7924 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7925 user = UserHandle.ALL; 7926 } else { 7927 user = new UserHandle(userId); 7928 } 7929 7930 verificationParams.setInstallerUid(callingUid); 7931 7932 final File originFile = new File(originPath); 7933 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7934 7935 final Message msg = mHandler.obtainMessage(INIT_COPY); 7936 msg.obj = new InstallParams(origin, observer, installFlags, 7937 installerPackageName, verificationParams, user, packageAbiOverride); 7938 mHandler.sendMessage(msg); 7939 } 7940 7941 void installStage(String packageName, File stagedDir, String stagedCid, 7942 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7943 String installerPackageName, int installerUid, UserHandle user) { 7944 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7945 params.referrerUri, installerUid, null); 7946 7947 final OriginInfo origin; 7948 if (stagedDir != null) { 7949 origin = OriginInfo.fromStagedFile(stagedDir); 7950 } else { 7951 origin = OriginInfo.fromStagedContainer(stagedCid); 7952 } 7953 7954 final Message msg = mHandler.obtainMessage(INIT_COPY); 7955 msg.obj = new InstallParams(origin, observer, params.installFlags, 7956 installerPackageName, verifParams, user, params.abiOverride); 7957 mHandler.sendMessage(msg); 7958 } 7959 7960 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7961 Bundle extras = new Bundle(1); 7962 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7963 7964 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7965 packageName, extras, null, null, new int[] {userId}); 7966 try { 7967 IActivityManager am = ActivityManagerNative.getDefault(); 7968 final boolean isSystem = 7969 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7970 if (isSystem && am.isUserRunning(userId, false)) { 7971 // The just-installed/enabled app is bundled on the system, so presumed 7972 // to be able to run automatically without needing an explicit launch. 7973 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7974 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7975 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7976 .setPackage(packageName); 7977 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7978 android.app.AppOpsManager.OP_NONE, false, false, userId); 7979 } 7980 } catch (RemoteException e) { 7981 // shouldn't happen 7982 Slog.w(TAG, "Unable to bootstrap installed package", e); 7983 } 7984 } 7985 7986 @Override 7987 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7988 int userId) { 7989 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7990 PackageSetting pkgSetting; 7991 final int uid = Binder.getCallingUid(); 7992 enforceCrossUserPermission(uid, userId, true, true, 7993 "setApplicationHiddenSetting for user " + userId); 7994 7995 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 7996 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 7997 return false; 7998 } 7999 8000 long callingId = Binder.clearCallingIdentity(); 8001 try { 8002 boolean sendAdded = false; 8003 boolean sendRemoved = false; 8004 // writer 8005 synchronized (mPackages) { 8006 pkgSetting = mSettings.mPackages.get(packageName); 8007 if (pkgSetting == null) { 8008 return false; 8009 } 8010 if (pkgSetting.getHidden(userId) != hidden) { 8011 pkgSetting.setHidden(hidden, userId); 8012 mSettings.writePackageRestrictionsLPr(userId); 8013 if (hidden) { 8014 sendRemoved = true; 8015 } else { 8016 sendAdded = true; 8017 } 8018 } 8019 } 8020 if (sendAdded) { 8021 sendPackageAddedForUser(packageName, pkgSetting, userId); 8022 return true; 8023 } 8024 if (sendRemoved) { 8025 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8026 "hiding pkg"); 8027 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8028 } 8029 } finally { 8030 Binder.restoreCallingIdentity(callingId); 8031 } 8032 return false; 8033 } 8034 8035 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8036 int userId) { 8037 final PackageRemovedInfo info = new PackageRemovedInfo(); 8038 info.removedPackage = packageName; 8039 info.removedUsers = new int[] {userId}; 8040 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8041 info.sendBroadcast(false, false, false); 8042 } 8043 8044 /** 8045 * Returns true if application is not found or there was an error. Otherwise it returns 8046 * the hidden state of the package for the given user. 8047 */ 8048 @Override 8049 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8050 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8051 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8052 false, "getApplicationHidden for user " + userId); 8053 PackageSetting pkgSetting; 8054 long callingId = Binder.clearCallingIdentity(); 8055 try { 8056 // writer 8057 synchronized (mPackages) { 8058 pkgSetting = mSettings.mPackages.get(packageName); 8059 if (pkgSetting == null) { 8060 return true; 8061 } 8062 return pkgSetting.getHidden(userId); 8063 } 8064 } finally { 8065 Binder.restoreCallingIdentity(callingId); 8066 } 8067 } 8068 8069 /** 8070 * @hide 8071 */ 8072 @Override 8073 public int installExistingPackageAsUser(String packageName, int userId) { 8074 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8075 null); 8076 PackageSetting pkgSetting; 8077 final int uid = Binder.getCallingUid(); 8078 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8079 + userId); 8080 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8081 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8082 } 8083 8084 long callingId = Binder.clearCallingIdentity(); 8085 try { 8086 boolean sendAdded = false; 8087 Bundle extras = new Bundle(1); 8088 8089 // writer 8090 synchronized (mPackages) { 8091 pkgSetting = mSettings.mPackages.get(packageName); 8092 if (pkgSetting == null) { 8093 return PackageManager.INSTALL_FAILED_INVALID_URI; 8094 } 8095 if (!pkgSetting.getInstalled(userId)) { 8096 pkgSetting.setInstalled(true, userId); 8097 pkgSetting.setHidden(false, userId); 8098 mSettings.writePackageRestrictionsLPr(userId); 8099 sendAdded = true; 8100 } 8101 } 8102 8103 if (sendAdded) { 8104 sendPackageAddedForUser(packageName, pkgSetting, userId); 8105 } 8106 } finally { 8107 Binder.restoreCallingIdentity(callingId); 8108 } 8109 8110 return PackageManager.INSTALL_SUCCEEDED; 8111 } 8112 8113 boolean isUserRestricted(int userId, String restrictionKey) { 8114 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8115 if (restrictions.getBoolean(restrictionKey, false)) { 8116 Log.w(TAG, "User is restricted: " + restrictionKey); 8117 return true; 8118 } 8119 return false; 8120 } 8121 8122 @Override 8123 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8124 mContext.enforceCallingOrSelfPermission( 8125 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8126 "Only package verification agents can verify applications"); 8127 8128 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8129 final PackageVerificationResponse response = new PackageVerificationResponse( 8130 verificationCode, Binder.getCallingUid()); 8131 msg.arg1 = id; 8132 msg.obj = response; 8133 mHandler.sendMessage(msg); 8134 } 8135 8136 @Override 8137 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8138 long millisecondsToDelay) { 8139 mContext.enforceCallingOrSelfPermission( 8140 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8141 "Only package verification agents can extend verification timeouts"); 8142 8143 final PackageVerificationState state = mPendingVerification.get(id); 8144 final PackageVerificationResponse response = new PackageVerificationResponse( 8145 verificationCodeAtTimeout, Binder.getCallingUid()); 8146 8147 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8148 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8149 } 8150 if (millisecondsToDelay < 0) { 8151 millisecondsToDelay = 0; 8152 } 8153 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8154 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8155 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8156 } 8157 8158 if ((state != null) && !state.timeoutExtended()) { 8159 state.extendTimeout(); 8160 8161 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8162 msg.arg1 = id; 8163 msg.obj = response; 8164 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8165 } 8166 } 8167 8168 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8169 int verificationCode, UserHandle user) { 8170 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8171 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8172 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8173 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8174 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8175 8176 mContext.sendBroadcastAsUser(intent, user, 8177 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8178 } 8179 8180 private ComponentName matchComponentForVerifier(String packageName, 8181 List<ResolveInfo> receivers) { 8182 ActivityInfo targetReceiver = null; 8183 8184 final int NR = receivers.size(); 8185 for (int i = 0; i < NR; i++) { 8186 final ResolveInfo info = receivers.get(i); 8187 if (info.activityInfo == null) { 8188 continue; 8189 } 8190 8191 if (packageName.equals(info.activityInfo.packageName)) { 8192 targetReceiver = info.activityInfo; 8193 break; 8194 } 8195 } 8196 8197 if (targetReceiver == null) { 8198 return null; 8199 } 8200 8201 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8202 } 8203 8204 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8205 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8206 if (pkgInfo.verifiers.length == 0) { 8207 return null; 8208 } 8209 8210 final int N = pkgInfo.verifiers.length; 8211 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8212 for (int i = 0; i < N; i++) { 8213 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8214 8215 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8216 receivers); 8217 if (comp == null) { 8218 continue; 8219 } 8220 8221 final int verifierUid = getUidForVerifier(verifierInfo); 8222 if (verifierUid == -1) { 8223 continue; 8224 } 8225 8226 if (DEBUG_VERIFY) { 8227 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8228 + " with the correct signature"); 8229 } 8230 sufficientVerifiers.add(comp); 8231 verificationState.addSufficientVerifier(verifierUid); 8232 } 8233 8234 return sufficientVerifiers; 8235 } 8236 8237 private int getUidForVerifier(VerifierInfo verifierInfo) { 8238 synchronized (mPackages) { 8239 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8240 if (pkg == null) { 8241 return -1; 8242 } else if (pkg.mSignatures.length != 1) { 8243 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8244 + " has more than one signature; ignoring"); 8245 return -1; 8246 } 8247 8248 /* 8249 * If the public key of the package's signature does not match 8250 * our expected public key, then this is a different package and 8251 * we should skip. 8252 */ 8253 8254 final byte[] expectedPublicKey; 8255 try { 8256 final Signature verifierSig = pkg.mSignatures[0]; 8257 final PublicKey publicKey = verifierSig.getPublicKey(); 8258 expectedPublicKey = publicKey.getEncoded(); 8259 } catch (CertificateException e) { 8260 return -1; 8261 } 8262 8263 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8264 8265 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8266 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8267 + " does not have the expected public key; ignoring"); 8268 return -1; 8269 } 8270 8271 return pkg.applicationInfo.uid; 8272 } 8273 } 8274 8275 @Override 8276 public void finishPackageInstall(int token) { 8277 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8278 8279 if (DEBUG_INSTALL) { 8280 Slog.v(TAG, "BM finishing package install for " + token); 8281 } 8282 8283 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8284 mHandler.sendMessage(msg); 8285 } 8286 8287 /** 8288 * Get the verification agent timeout. 8289 * 8290 * @return verification timeout in milliseconds 8291 */ 8292 private long getVerificationTimeout() { 8293 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8294 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8295 DEFAULT_VERIFICATION_TIMEOUT); 8296 } 8297 8298 /** 8299 * Get the default verification agent response code. 8300 * 8301 * @return default verification response code 8302 */ 8303 private int getDefaultVerificationResponse() { 8304 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8305 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8306 DEFAULT_VERIFICATION_RESPONSE); 8307 } 8308 8309 /** 8310 * Check whether or not package verification has been enabled. 8311 * 8312 * @return true if verification should be performed 8313 */ 8314 private boolean isVerificationEnabled(int userId, int installFlags) { 8315 if (!DEFAULT_VERIFY_ENABLE) { 8316 return false; 8317 } 8318 8319 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8320 8321 // Check if installing from ADB 8322 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8323 // Do not run verification in a test harness environment 8324 if (ActivityManager.isRunningInTestHarness()) { 8325 return false; 8326 } 8327 if (ensureVerifyAppsEnabled) { 8328 return true; 8329 } 8330 // Check if the developer does not want package verification for ADB installs 8331 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8332 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8333 return false; 8334 } 8335 } 8336 8337 if (ensureVerifyAppsEnabled) { 8338 return true; 8339 } 8340 8341 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8342 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8343 } 8344 8345 /** 8346 * Get the "allow unknown sources" setting. 8347 * 8348 * @return the current "allow unknown sources" setting 8349 */ 8350 private int getUnknownSourcesSettings() { 8351 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8352 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8353 -1); 8354 } 8355 8356 @Override 8357 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8358 final int uid = Binder.getCallingUid(); 8359 // writer 8360 synchronized (mPackages) { 8361 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8362 if (targetPackageSetting == null) { 8363 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8364 } 8365 8366 PackageSetting installerPackageSetting; 8367 if (installerPackageName != null) { 8368 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8369 if (installerPackageSetting == null) { 8370 throw new IllegalArgumentException("Unknown installer package: " 8371 + installerPackageName); 8372 } 8373 } else { 8374 installerPackageSetting = null; 8375 } 8376 8377 Signature[] callerSignature; 8378 Object obj = mSettings.getUserIdLPr(uid); 8379 if (obj != null) { 8380 if (obj instanceof SharedUserSetting) { 8381 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8382 } else if (obj instanceof PackageSetting) { 8383 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8384 } else { 8385 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8386 } 8387 } else { 8388 throw new SecurityException("Unknown calling uid " + uid); 8389 } 8390 8391 // Verify: can't set installerPackageName to a package that is 8392 // not signed with the same cert as the caller. 8393 if (installerPackageSetting != null) { 8394 if (compareSignatures(callerSignature, 8395 installerPackageSetting.signatures.mSignatures) 8396 != PackageManager.SIGNATURE_MATCH) { 8397 throw new SecurityException( 8398 "Caller does not have same cert as new installer package " 8399 + installerPackageName); 8400 } 8401 } 8402 8403 // Verify: if target already has an installer package, it must 8404 // be signed with the same cert as the caller. 8405 if (targetPackageSetting.installerPackageName != null) { 8406 PackageSetting setting = mSettings.mPackages.get( 8407 targetPackageSetting.installerPackageName); 8408 // If the currently set package isn't valid, then it's always 8409 // okay to change it. 8410 if (setting != null) { 8411 if (compareSignatures(callerSignature, 8412 setting.signatures.mSignatures) 8413 != PackageManager.SIGNATURE_MATCH) { 8414 throw new SecurityException( 8415 "Caller does not have same cert as old installer package " 8416 + targetPackageSetting.installerPackageName); 8417 } 8418 } 8419 } 8420 8421 // Okay! 8422 targetPackageSetting.installerPackageName = installerPackageName; 8423 scheduleWriteSettingsLocked(); 8424 } 8425 } 8426 8427 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8428 // Queue up an async operation since the package installation may take a little while. 8429 mHandler.post(new Runnable() { 8430 public void run() { 8431 mHandler.removeCallbacks(this); 8432 // Result object to be returned 8433 PackageInstalledInfo res = new PackageInstalledInfo(); 8434 res.returnCode = currentStatus; 8435 res.uid = -1; 8436 res.pkg = null; 8437 res.removedInfo = new PackageRemovedInfo(); 8438 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8439 args.doPreInstall(res.returnCode); 8440 synchronized (mInstallLock) { 8441 installPackageLI(args, res); 8442 } 8443 args.doPostInstall(res.returnCode, res.uid); 8444 } 8445 8446 // A restore should be performed at this point if (a) the install 8447 // succeeded, (b) the operation is not an update, and (c) the new 8448 // package has not opted out of backup participation. 8449 final boolean update = res.removedInfo.removedPackage != null; 8450 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8451 boolean doRestore = !update 8452 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8453 8454 // Set up the post-install work request bookkeeping. This will be used 8455 // and cleaned up by the post-install event handling regardless of whether 8456 // there's a restore pass performed. Token values are >= 1. 8457 int token; 8458 if (mNextInstallToken < 0) mNextInstallToken = 1; 8459 token = mNextInstallToken++; 8460 8461 PostInstallData data = new PostInstallData(args, res); 8462 mRunningInstalls.put(token, data); 8463 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8464 8465 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8466 // Pass responsibility to the Backup Manager. It will perform a 8467 // restore if appropriate, then pass responsibility back to the 8468 // Package Manager to run the post-install observer callbacks 8469 // and broadcasts. 8470 IBackupManager bm = IBackupManager.Stub.asInterface( 8471 ServiceManager.getService(Context.BACKUP_SERVICE)); 8472 if (bm != null) { 8473 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8474 + " to BM for possible restore"); 8475 try { 8476 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8477 } catch (RemoteException e) { 8478 // can't happen; the backup manager is local 8479 } catch (Exception e) { 8480 Slog.e(TAG, "Exception trying to enqueue restore", e); 8481 doRestore = false; 8482 } 8483 } else { 8484 Slog.e(TAG, "Backup Manager not found!"); 8485 doRestore = false; 8486 } 8487 } 8488 8489 if (!doRestore) { 8490 // No restore possible, or the Backup Manager was mysteriously not 8491 // available -- just fire the post-install work request directly. 8492 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8493 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8494 mHandler.sendMessage(msg); 8495 } 8496 } 8497 }); 8498 } 8499 8500 private abstract class HandlerParams { 8501 private static final int MAX_RETRIES = 4; 8502 8503 /** 8504 * Number of times startCopy() has been attempted and had a non-fatal 8505 * error. 8506 */ 8507 private int mRetries = 0; 8508 8509 /** User handle for the user requesting the information or installation. */ 8510 private final UserHandle mUser; 8511 8512 HandlerParams(UserHandle user) { 8513 mUser = user; 8514 } 8515 8516 UserHandle getUser() { 8517 return mUser; 8518 } 8519 8520 final boolean startCopy() { 8521 boolean res; 8522 try { 8523 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8524 8525 if (++mRetries > MAX_RETRIES) { 8526 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8527 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8528 handleServiceError(); 8529 return false; 8530 } else { 8531 handleStartCopy(); 8532 res = true; 8533 } 8534 } catch (RemoteException e) { 8535 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8536 mHandler.sendEmptyMessage(MCS_RECONNECT); 8537 res = false; 8538 } 8539 handleReturnCode(); 8540 return res; 8541 } 8542 8543 final void serviceError() { 8544 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8545 handleServiceError(); 8546 handleReturnCode(); 8547 } 8548 8549 abstract void handleStartCopy() throws RemoteException; 8550 abstract void handleServiceError(); 8551 abstract void handleReturnCode(); 8552 } 8553 8554 class MeasureParams extends HandlerParams { 8555 private final PackageStats mStats; 8556 private boolean mSuccess; 8557 8558 private final IPackageStatsObserver mObserver; 8559 8560 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8561 super(new UserHandle(stats.userHandle)); 8562 mObserver = observer; 8563 mStats = stats; 8564 } 8565 8566 @Override 8567 public String toString() { 8568 return "MeasureParams{" 8569 + Integer.toHexString(System.identityHashCode(this)) 8570 + " " + mStats.packageName + "}"; 8571 } 8572 8573 @Override 8574 void handleStartCopy() throws RemoteException { 8575 synchronized (mInstallLock) { 8576 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8577 } 8578 8579 if (mSuccess) { 8580 final boolean mounted; 8581 if (Environment.isExternalStorageEmulated()) { 8582 mounted = true; 8583 } else { 8584 final String status = Environment.getExternalStorageState(); 8585 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8586 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8587 } 8588 8589 if (mounted) { 8590 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8591 8592 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8593 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8594 8595 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8596 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8597 8598 // Always subtract cache size, since it's a subdirectory 8599 mStats.externalDataSize -= mStats.externalCacheSize; 8600 8601 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8602 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8603 8604 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8605 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8606 } 8607 } 8608 } 8609 8610 @Override 8611 void handleReturnCode() { 8612 if (mObserver != null) { 8613 try { 8614 mObserver.onGetStatsCompleted(mStats, mSuccess); 8615 } catch (RemoteException e) { 8616 Slog.i(TAG, "Observer no longer exists."); 8617 } 8618 } 8619 } 8620 8621 @Override 8622 void handleServiceError() { 8623 Slog.e(TAG, "Could not measure application " + mStats.packageName 8624 + " external storage"); 8625 } 8626 } 8627 8628 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8629 throws RemoteException { 8630 long result = 0; 8631 for (File path : paths) { 8632 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8633 } 8634 return result; 8635 } 8636 8637 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8638 for (File path : paths) { 8639 try { 8640 mcs.clearDirectory(path.getAbsolutePath()); 8641 } catch (RemoteException e) { 8642 } 8643 } 8644 } 8645 8646 static class OriginInfo { 8647 /** 8648 * Location where install is coming from, before it has been 8649 * copied/renamed into place. This could be a single monolithic APK 8650 * file, or a cluster directory. This location may be untrusted. 8651 */ 8652 final File file; 8653 final String cid; 8654 8655 /** 8656 * Flag indicating that {@link #file} or {@link #cid} has already been 8657 * staged, meaning downstream users don't need to defensively copy the 8658 * contents. 8659 */ 8660 final boolean staged; 8661 8662 /** 8663 * Flag indicating that {@link #file} or {@link #cid} is an already 8664 * installed app that is being moved. 8665 */ 8666 final boolean existing; 8667 8668 final String resolvedPath; 8669 final File resolvedFile; 8670 8671 static OriginInfo fromNothing() { 8672 return new OriginInfo(null, null, false, false); 8673 } 8674 8675 static OriginInfo fromUntrustedFile(File file) { 8676 return new OriginInfo(file, null, false, false); 8677 } 8678 8679 static OriginInfo fromExistingFile(File file) { 8680 return new OriginInfo(file, null, false, true); 8681 } 8682 8683 static OriginInfo fromStagedFile(File file) { 8684 return new OriginInfo(file, null, true, false); 8685 } 8686 8687 static OriginInfo fromStagedContainer(String cid) { 8688 return new OriginInfo(null, cid, true, false); 8689 } 8690 8691 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8692 this.file = file; 8693 this.cid = cid; 8694 this.staged = staged; 8695 this.existing = existing; 8696 8697 if (cid != null) { 8698 resolvedPath = PackageHelper.getSdDir(cid); 8699 resolvedFile = new File(resolvedPath); 8700 } else if (file != null) { 8701 resolvedPath = file.getAbsolutePath(); 8702 resolvedFile = file; 8703 } else { 8704 resolvedPath = null; 8705 resolvedFile = null; 8706 } 8707 } 8708 } 8709 8710 class InstallParams extends HandlerParams { 8711 final OriginInfo origin; 8712 final IPackageInstallObserver2 observer; 8713 int installFlags; 8714 final String installerPackageName; 8715 final VerificationParams verificationParams; 8716 private InstallArgs mArgs; 8717 private int mRet; 8718 final String packageAbiOverride; 8719 8720 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8721 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8722 String packageAbiOverride) { 8723 super(user); 8724 this.origin = origin; 8725 this.observer = observer; 8726 this.installFlags = installFlags; 8727 this.installerPackageName = installerPackageName; 8728 this.verificationParams = verificationParams; 8729 this.packageAbiOverride = packageAbiOverride; 8730 } 8731 8732 @Override 8733 public String toString() { 8734 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8735 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8736 } 8737 8738 public ManifestDigest getManifestDigest() { 8739 if (verificationParams == null) { 8740 return null; 8741 } 8742 return verificationParams.getManifestDigest(); 8743 } 8744 8745 private int installLocationPolicy(PackageInfoLite pkgLite) { 8746 String packageName = pkgLite.packageName; 8747 int installLocation = pkgLite.installLocation; 8748 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8749 // reader 8750 synchronized (mPackages) { 8751 PackageParser.Package pkg = mPackages.get(packageName); 8752 if (pkg != null) { 8753 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8754 // Check for downgrading. 8755 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8756 if (pkgLite.versionCode < pkg.mVersionCode) { 8757 Slog.w(TAG, "Can't install update of " + packageName 8758 + " update version " + pkgLite.versionCode 8759 + " is older than installed version " 8760 + pkg.mVersionCode); 8761 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8762 } 8763 } 8764 // Check for updated system application. 8765 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8766 if (onSd) { 8767 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8768 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8769 } 8770 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8771 } else { 8772 if (onSd) { 8773 // Install flag overrides everything. 8774 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8775 } 8776 // If current upgrade specifies particular preference 8777 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8778 // Application explicitly specified internal. 8779 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8780 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8781 // App explictly prefers external. Let policy decide 8782 } else { 8783 // Prefer previous location 8784 if (isExternal(pkg)) { 8785 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8786 } 8787 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8788 } 8789 } 8790 } else { 8791 // Invalid install. Return error code 8792 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8793 } 8794 } 8795 } 8796 // All the special cases have been taken care of. 8797 // Return result based on recommended install location. 8798 if (onSd) { 8799 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8800 } 8801 return pkgLite.recommendedInstallLocation; 8802 } 8803 8804 /* 8805 * Invoke remote method to get package information and install 8806 * location values. Override install location based on default 8807 * policy if needed and then create install arguments based 8808 * on the install location. 8809 */ 8810 public void handleStartCopy() throws RemoteException { 8811 int ret = PackageManager.INSTALL_SUCCEEDED; 8812 8813 // If we're already staged, we've firmly committed to an install location 8814 if (origin.staged) { 8815 if (origin.file != null) { 8816 installFlags |= PackageManager.INSTALL_INTERNAL; 8817 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8818 } else if (origin.cid != null) { 8819 installFlags |= PackageManager.INSTALL_EXTERNAL; 8820 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8821 } else { 8822 throw new IllegalStateException("Invalid stage location"); 8823 } 8824 } 8825 8826 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8827 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8828 8829 PackageInfoLite pkgLite = null; 8830 8831 if (onInt && onSd) { 8832 // Check if both bits are set. 8833 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8834 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8835 } else { 8836 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8837 packageAbiOverride); 8838 8839 /* 8840 * If we have too little free space, try to free cache 8841 * before giving up. 8842 */ 8843 if (!origin.staged && pkgLite.recommendedInstallLocation 8844 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8845 // TODO: focus freeing disk space on the target device 8846 final StorageManager storage = StorageManager.from(mContext); 8847 final long lowThreshold = storage.getStorageLowBytes( 8848 Environment.getDataDirectory()); 8849 8850 final long sizeBytes = mContainerService.calculateInstalledSize( 8851 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8852 8853 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8854 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8855 installFlags, packageAbiOverride); 8856 } 8857 8858 /* 8859 * The cache free must have deleted the file we 8860 * downloaded to install. 8861 * 8862 * TODO: fix the "freeCache" call to not delete 8863 * the file we care about. 8864 */ 8865 if (pkgLite.recommendedInstallLocation 8866 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8867 pkgLite.recommendedInstallLocation 8868 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8869 } 8870 } 8871 } 8872 8873 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8874 int loc = pkgLite.recommendedInstallLocation; 8875 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8876 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8877 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8878 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8879 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8880 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8881 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8882 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8883 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8884 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8885 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8886 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8887 } else { 8888 // Override with defaults if needed. 8889 loc = installLocationPolicy(pkgLite); 8890 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8891 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8892 } else if (!onSd && !onInt) { 8893 // Override install location with flags 8894 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8895 // Set the flag to install on external media. 8896 installFlags |= PackageManager.INSTALL_EXTERNAL; 8897 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8898 } else { 8899 // Make sure the flag for installing on external 8900 // media is unset 8901 installFlags |= PackageManager.INSTALL_INTERNAL; 8902 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8903 } 8904 } 8905 } 8906 } 8907 8908 final InstallArgs args = createInstallArgs(this); 8909 mArgs = args; 8910 8911 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8912 /* 8913 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8914 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8915 */ 8916 int userIdentifier = getUser().getIdentifier(); 8917 if (userIdentifier == UserHandle.USER_ALL 8918 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8919 userIdentifier = UserHandle.USER_OWNER; 8920 } 8921 8922 /* 8923 * Determine if we have any installed package verifiers. If we 8924 * do, then we'll defer to them to verify the packages. 8925 */ 8926 final int requiredUid = mRequiredVerifierPackage == null ? -1 8927 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8928 if (!origin.existing && requiredUid != -1 8929 && isVerificationEnabled(userIdentifier, installFlags)) { 8930 final Intent verification = new Intent( 8931 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8932 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8933 PACKAGE_MIME_TYPE); 8934 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8935 8936 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8937 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8938 0 /* TODO: Which userId? */); 8939 8940 if (DEBUG_VERIFY) { 8941 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8942 + verification.toString() + " with " + pkgLite.verifiers.length 8943 + " optional verifiers"); 8944 } 8945 8946 final int verificationId = mPendingVerificationToken++; 8947 8948 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8949 8950 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8951 installerPackageName); 8952 8953 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8954 installFlags); 8955 8956 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8957 pkgLite.packageName); 8958 8959 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8960 pkgLite.versionCode); 8961 8962 if (verificationParams != null) { 8963 if (verificationParams.getVerificationURI() != null) { 8964 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8965 verificationParams.getVerificationURI()); 8966 } 8967 if (verificationParams.getOriginatingURI() != null) { 8968 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8969 verificationParams.getOriginatingURI()); 8970 } 8971 if (verificationParams.getReferrer() != null) { 8972 verification.putExtra(Intent.EXTRA_REFERRER, 8973 verificationParams.getReferrer()); 8974 } 8975 if (verificationParams.getOriginatingUid() >= 0) { 8976 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8977 verificationParams.getOriginatingUid()); 8978 } 8979 if (verificationParams.getInstallerUid() >= 0) { 8980 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8981 verificationParams.getInstallerUid()); 8982 } 8983 } 8984 8985 final PackageVerificationState verificationState = new PackageVerificationState( 8986 requiredUid, args); 8987 8988 mPendingVerification.append(verificationId, verificationState); 8989 8990 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8991 receivers, verificationState); 8992 8993 /* 8994 * If any sufficient verifiers were listed in the package 8995 * manifest, attempt to ask them. 8996 */ 8997 if (sufficientVerifiers != null) { 8998 final int N = sufficientVerifiers.size(); 8999 if (N == 0) { 9000 Slog.i(TAG, "Additional verifiers required, but none installed."); 9001 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9002 } else { 9003 for (int i = 0; i < N; i++) { 9004 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9005 9006 final Intent sufficientIntent = new Intent(verification); 9007 sufficientIntent.setComponent(verifierComponent); 9008 9009 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9010 } 9011 } 9012 } 9013 9014 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9015 mRequiredVerifierPackage, receivers); 9016 if (ret == PackageManager.INSTALL_SUCCEEDED 9017 && mRequiredVerifierPackage != null) { 9018 /* 9019 * Send the intent to the required verification agent, 9020 * but only start the verification timeout after the 9021 * target BroadcastReceivers have run. 9022 */ 9023 verification.setComponent(requiredVerifierComponent); 9024 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9025 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9026 new BroadcastReceiver() { 9027 @Override 9028 public void onReceive(Context context, Intent intent) { 9029 final Message msg = mHandler 9030 .obtainMessage(CHECK_PENDING_VERIFICATION); 9031 msg.arg1 = verificationId; 9032 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9033 } 9034 }, null, 0, null, null); 9035 9036 /* 9037 * We don't want the copy to proceed until verification 9038 * succeeds, so null out this field. 9039 */ 9040 mArgs = null; 9041 } 9042 } else { 9043 /* 9044 * No package verification is enabled, so immediately start 9045 * the remote call to initiate copy using temporary file. 9046 */ 9047 ret = args.copyApk(mContainerService, true); 9048 } 9049 } 9050 9051 mRet = ret; 9052 } 9053 9054 @Override 9055 void handleReturnCode() { 9056 // If mArgs is null, then MCS couldn't be reached. When it 9057 // reconnects, it will try again to install. At that point, this 9058 // will succeed. 9059 if (mArgs != null) { 9060 processPendingInstall(mArgs, mRet); 9061 } 9062 } 9063 9064 @Override 9065 void handleServiceError() { 9066 mArgs = createInstallArgs(this); 9067 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9068 } 9069 9070 public boolean isForwardLocked() { 9071 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9072 } 9073 } 9074 9075 /** 9076 * Used during creation of InstallArgs 9077 * 9078 * @param installFlags package installation flags 9079 * @return true if should be installed on external storage 9080 */ 9081 private static boolean installOnSd(int installFlags) { 9082 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9083 return false; 9084 } 9085 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9086 return true; 9087 } 9088 return false; 9089 } 9090 9091 /** 9092 * Used during creation of InstallArgs 9093 * 9094 * @param installFlags package installation flags 9095 * @return true if should be installed as forward locked 9096 */ 9097 private static boolean installForwardLocked(int installFlags) { 9098 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9099 } 9100 9101 private InstallArgs createInstallArgs(InstallParams params) { 9102 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9103 return new AsecInstallArgs(params); 9104 } else { 9105 return new FileInstallArgs(params); 9106 } 9107 } 9108 9109 /** 9110 * Create args that describe an existing installed package. Typically used 9111 * when cleaning up old installs, or used as a move source. 9112 */ 9113 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9114 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9115 final boolean isInAsec; 9116 if (installOnSd(installFlags)) { 9117 /* Apps on SD card are always in ASEC containers. */ 9118 isInAsec = true; 9119 } else if (installForwardLocked(installFlags) 9120 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9121 /* 9122 * Forward-locked apps are only in ASEC containers if they're the 9123 * new style 9124 */ 9125 isInAsec = true; 9126 } else { 9127 isInAsec = false; 9128 } 9129 9130 if (isInAsec) { 9131 return new AsecInstallArgs(codePath, instructionSets, 9132 installOnSd(installFlags), installForwardLocked(installFlags)); 9133 } else { 9134 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9135 instructionSets); 9136 } 9137 } 9138 9139 static abstract class InstallArgs { 9140 /** @see InstallParams#origin */ 9141 final OriginInfo origin; 9142 9143 final IPackageInstallObserver2 observer; 9144 // Always refers to PackageManager flags only 9145 final int installFlags; 9146 final String installerPackageName; 9147 final ManifestDigest manifestDigest; 9148 final UserHandle user; 9149 final String abiOverride; 9150 9151 // The list of instruction sets supported by this app. This is currently 9152 // only used during the rmdex() phase to clean up resources. We can get rid of this 9153 // if we move dex files under the common app path. 9154 /* nullable */ String[] instructionSets; 9155 9156 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9157 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9158 String[] instructionSets, String abiOverride) { 9159 this.origin = origin; 9160 this.installFlags = installFlags; 9161 this.observer = observer; 9162 this.installerPackageName = installerPackageName; 9163 this.manifestDigest = manifestDigest; 9164 this.user = user; 9165 this.instructionSets = instructionSets; 9166 this.abiOverride = abiOverride; 9167 } 9168 9169 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9170 abstract int doPreInstall(int status); 9171 9172 /** 9173 * Rename package into final resting place. All paths on the given 9174 * scanned package should be updated to reflect the rename. 9175 */ 9176 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9177 abstract int doPostInstall(int status, int uid); 9178 9179 /** @see PackageSettingBase#codePathString */ 9180 abstract String getCodePath(); 9181 /** @see PackageSettingBase#resourcePathString */ 9182 abstract String getResourcePath(); 9183 abstract String getLegacyNativeLibraryPath(); 9184 9185 // Need installer lock especially for dex file removal. 9186 abstract void cleanUpResourcesLI(); 9187 abstract boolean doPostDeleteLI(boolean delete); 9188 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9189 9190 /** 9191 * Called before the source arguments are copied. This is used mostly 9192 * for MoveParams when it needs to read the source file to put it in the 9193 * destination. 9194 */ 9195 int doPreCopy() { 9196 return PackageManager.INSTALL_SUCCEEDED; 9197 } 9198 9199 /** 9200 * Called after the source arguments are copied. This is used mostly for 9201 * MoveParams when it needs to read the source file to put it in the 9202 * destination. 9203 * 9204 * @return 9205 */ 9206 int doPostCopy(int uid) { 9207 return PackageManager.INSTALL_SUCCEEDED; 9208 } 9209 9210 protected boolean isFwdLocked() { 9211 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9212 } 9213 9214 protected boolean isExternal() { 9215 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9216 } 9217 9218 UserHandle getUser() { 9219 return user; 9220 } 9221 } 9222 9223 /** 9224 * Logic to handle installation of non-ASEC applications, including copying 9225 * and renaming logic. 9226 */ 9227 class FileInstallArgs extends InstallArgs { 9228 private File codeFile; 9229 private File resourceFile; 9230 private File legacyNativeLibraryPath; 9231 9232 // Example topology: 9233 // /data/app/com.example/base.apk 9234 // /data/app/com.example/split_foo.apk 9235 // /data/app/com.example/lib/arm/libfoo.so 9236 // /data/app/com.example/lib/arm64/libfoo.so 9237 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9238 9239 /** New install */ 9240 FileInstallArgs(InstallParams params) { 9241 super(params.origin, params.observer, params.installFlags, 9242 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9243 null /* instruction sets */, params.packageAbiOverride); 9244 if (isFwdLocked()) { 9245 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9246 } 9247 } 9248 9249 /** Existing install */ 9250 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9251 String[] instructionSets) { 9252 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9253 this.codeFile = (codePath != null) ? new File(codePath) : null; 9254 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9255 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9256 new File(legacyNativeLibraryPath) : null; 9257 } 9258 9259 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9260 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9261 isFwdLocked(), abiOverride); 9262 9263 final StorageManager storage = StorageManager.from(mContext); 9264 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9265 } 9266 9267 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9268 if (origin.staged) { 9269 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9270 codeFile = origin.file; 9271 resourceFile = origin.file; 9272 return PackageManager.INSTALL_SUCCEEDED; 9273 } 9274 9275 try { 9276 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9277 codeFile = tempDir; 9278 resourceFile = tempDir; 9279 } catch (IOException e) { 9280 Slog.w(TAG, "Failed to create copy file: " + e); 9281 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9282 } 9283 9284 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9285 @Override 9286 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9287 if (!FileUtils.isValidExtFilename(name)) { 9288 throw new IllegalArgumentException("Invalid filename: " + name); 9289 } 9290 try { 9291 final File file = new File(codeFile, name); 9292 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9293 O_RDWR | O_CREAT, 0644); 9294 Os.chmod(file.getAbsolutePath(), 0644); 9295 return new ParcelFileDescriptor(fd); 9296 } catch (ErrnoException e) { 9297 throw new RemoteException("Failed to open: " + e.getMessage()); 9298 } 9299 } 9300 }; 9301 9302 int ret = PackageManager.INSTALL_SUCCEEDED; 9303 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9304 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9305 Slog.e(TAG, "Failed to copy package"); 9306 return ret; 9307 } 9308 9309 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9310 NativeLibraryHelper.Handle handle = null; 9311 try { 9312 handle = NativeLibraryHelper.Handle.create(codeFile); 9313 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9314 abiOverride); 9315 } catch (IOException e) { 9316 Slog.e(TAG, "Copying native libraries failed", e); 9317 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9318 } finally { 9319 IoUtils.closeQuietly(handle); 9320 } 9321 9322 return ret; 9323 } 9324 9325 int doPreInstall(int status) { 9326 if (status != PackageManager.INSTALL_SUCCEEDED) { 9327 cleanUp(); 9328 } 9329 return status; 9330 } 9331 9332 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9333 if (status != PackageManager.INSTALL_SUCCEEDED) { 9334 cleanUp(); 9335 return false; 9336 } else { 9337 final File beforeCodeFile = codeFile; 9338 final File afterCodeFile = getNextCodePath(pkg.packageName); 9339 9340 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9341 try { 9342 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9343 } catch (ErrnoException e) { 9344 Slog.d(TAG, "Failed to rename", e); 9345 return false; 9346 } 9347 9348 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9349 Slog.d(TAG, "Failed to restorecon"); 9350 return false; 9351 } 9352 9353 // Reflect the rename internally 9354 codeFile = afterCodeFile; 9355 resourceFile = afterCodeFile; 9356 9357 // Reflect the rename in scanned details 9358 pkg.codePath = afterCodeFile.getAbsolutePath(); 9359 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9360 pkg.baseCodePath); 9361 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9362 pkg.splitCodePaths); 9363 9364 // Reflect the rename in app info 9365 pkg.applicationInfo.setCodePath(pkg.codePath); 9366 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9367 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9368 pkg.applicationInfo.setResourcePath(pkg.codePath); 9369 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9370 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9371 9372 return true; 9373 } 9374 } 9375 9376 int doPostInstall(int status, int uid) { 9377 if (status != PackageManager.INSTALL_SUCCEEDED) { 9378 cleanUp(); 9379 } 9380 return status; 9381 } 9382 9383 @Override 9384 String getCodePath() { 9385 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9386 } 9387 9388 @Override 9389 String getResourcePath() { 9390 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9391 } 9392 9393 @Override 9394 String getLegacyNativeLibraryPath() { 9395 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9396 } 9397 9398 private boolean cleanUp() { 9399 if (codeFile == null || !codeFile.exists()) { 9400 return false; 9401 } 9402 9403 if (codeFile.isDirectory()) { 9404 FileUtils.deleteContents(codeFile); 9405 } 9406 codeFile.delete(); 9407 9408 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9409 resourceFile.delete(); 9410 } 9411 9412 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9413 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9414 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9415 } 9416 legacyNativeLibraryPath.delete(); 9417 } 9418 9419 return true; 9420 } 9421 9422 void cleanUpResourcesLI() { 9423 // Try enumerating all code paths before deleting 9424 List<String> allCodePaths = Collections.EMPTY_LIST; 9425 if (codeFile != null && codeFile.exists()) { 9426 try { 9427 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9428 allCodePaths = pkg.getAllCodePaths(); 9429 } catch (PackageParserException e) { 9430 // Ignored; we tried our best 9431 } 9432 } 9433 9434 cleanUp(); 9435 9436 if (!allCodePaths.isEmpty()) { 9437 if (instructionSets == null) { 9438 throw new IllegalStateException("instructionSet == null"); 9439 } 9440 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9441 for (String codePath : allCodePaths) { 9442 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9443 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9444 if (retCode < 0) { 9445 Slog.w(TAG, "Couldn't remove dex file for package: " 9446 + " at location " + codePath + ", retcode=" + retCode); 9447 // we don't consider this to be a failure of the core package deletion 9448 } 9449 } 9450 } 9451 } 9452 } 9453 9454 boolean doPostDeleteLI(boolean delete) { 9455 // XXX err, shouldn't we respect the delete flag? 9456 cleanUpResourcesLI(); 9457 return true; 9458 } 9459 } 9460 9461 private boolean isAsecExternal(String cid) { 9462 final String asecPath = PackageHelper.getSdFilesystem(cid); 9463 return !asecPath.startsWith(mAsecInternalPath); 9464 } 9465 9466 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9467 PackageManagerException { 9468 if (copyRet < 0) { 9469 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9470 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9471 throw new PackageManagerException(copyRet, message); 9472 } 9473 } 9474 } 9475 9476 /** 9477 * Extract the MountService "container ID" from the full code path of an 9478 * .apk. 9479 */ 9480 static String cidFromCodePath(String fullCodePath) { 9481 int eidx = fullCodePath.lastIndexOf("/"); 9482 String subStr1 = fullCodePath.substring(0, eidx); 9483 int sidx = subStr1.lastIndexOf("/"); 9484 return subStr1.substring(sidx+1, eidx); 9485 } 9486 9487 /** 9488 * Logic to handle installation of ASEC applications, including copying and 9489 * renaming logic. 9490 */ 9491 class AsecInstallArgs extends InstallArgs { 9492 static final String RES_FILE_NAME = "pkg.apk"; 9493 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9494 9495 String cid; 9496 String packagePath; 9497 String resourcePath; 9498 String legacyNativeLibraryDir; 9499 9500 /** New install */ 9501 AsecInstallArgs(InstallParams params) { 9502 super(params.origin, params.observer, params.installFlags, 9503 params.installerPackageName, params.getManifestDigest(), 9504 params.getUser(), null /* instruction sets */, 9505 params.packageAbiOverride); 9506 } 9507 9508 /** Existing install */ 9509 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9510 boolean isExternal, boolean isForwardLocked) { 9511 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9512 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9513 instructionSets, null); 9514 // Hackily pretend we're still looking at a full code path 9515 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9516 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9517 } 9518 9519 // Extract cid from fullCodePath 9520 int eidx = fullCodePath.lastIndexOf("/"); 9521 String subStr1 = fullCodePath.substring(0, eidx); 9522 int sidx = subStr1.lastIndexOf("/"); 9523 cid = subStr1.substring(sidx+1, eidx); 9524 setMountPath(subStr1); 9525 } 9526 9527 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9528 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9529 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9530 instructionSets, null); 9531 this.cid = cid; 9532 setMountPath(PackageHelper.getSdDir(cid)); 9533 } 9534 9535 void createCopyFile() { 9536 cid = mInstallerService.allocateExternalStageCidLegacy(); 9537 } 9538 9539 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9540 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9541 abiOverride); 9542 9543 final File target; 9544 if (isExternal()) { 9545 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9546 } else { 9547 target = Environment.getDataDirectory(); 9548 } 9549 9550 final StorageManager storage = StorageManager.from(mContext); 9551 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9552 } 9553 9554 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9555 if (origin.staged) { 9556 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9557 cid = origin.cid; 9558 setMountPath(PackageHelper.getSdDir(cid)); 9559 return PackageManager.INSTALL_SUCCEEDED; 9560 } 9561 9562 if (temp) { 9563 createCopyFile(); 9564 } else { 9565 /* 9566 * Pre-emptively destroy the container since it's destroyed if 9567 * copying fails due to it existing anyway. 9568 */ 9569 PackageHelper.destroySdDir(cid); 9570 } 9571 9572 final String newMountPath = imcs.copyPackageToContainer( 9573 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9574 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9575 9576 if (newMountPath != null) { 9577 setMountPath(newMountPath); 9578 return PackageManager.INSTALL_SUCCEEDED; 9579 } else { 9580 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9581 } 9582 } 9583 9584 @Override 9585 String getCodePath() { 9586 return packagePath; 9587 } 9588 9589 @Override 9590 String getResourcePath() { 9591 return resourcePath; 9592 } 9593 9594 @Override 9595 String getLegacyNativeLibraryPath() { 9596 return legacyNativeLibraryDir; 9597 } 9598 9599 int doPreInstall(int status) { 9600 if (status != PackageManager.INSTALL_SUCCEEDED) { 9601 // Destroy container 9602 PackageHelper.destroySdDir(cid); 9603 } else { 9604 boolean mounted = PackageHelper.isContainerMounted(cid); 9605 if (!mounted) { 9606 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9607 Process.SYSTEM_UID); 9608 if (newMountPath != null) { 9609 setMountPath(newMountPath); 9610 } else { 9611 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9612 } 9613 } 9614 } 9615 return status; 9616 } 9617 9618 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9619 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9620 String newMountPath = null; 9621 if (PackageHelper.isContainerMounted(cid)) { 9622 // Unmount the container 9623 if (!PackageHelper.unMountSdDir(cid)) { 9624 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9625 return false; 9626 } 9627 } 9628 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9629 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9630 " which might be stale. Will try to clean up."); 9631 // Clean up the stale container and proceed to recreate. 9632 if (!PackageHelper.destroySdDir(newCacheId)) { 9633 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9634 return false; 9635 } 9636 // Successfully cleaned up stale container. Try to rename again. 9637 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9638 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9639 + " inspite of cleaning it up."); 9640 return false; 9641 } 9642 } 9643 if (!PackageHelper.isContainerMounted(newCacheId)) { 9644 Slog.w(TAG, "Mounting container " + newCacheId); 9645 newMountPath = PackageHelper.mountSdDir(newCacheId, 9646 getEncryptKey(), Process.SYSTEM_UID); 9647 } else { 9648 newMountPath = PackageHelper.getSdDir(newCacheId); 9649 } 9650 if (newMountPath == null) { 9651 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9652 return false; 9653 } 9654 Log.i(TAG, "Succesfully renamed " + cid + 9655 " to " + newCacheId + 9656 " at new path: " + newMountPath); 9657 cid = newCacheId; 9658 9659 final File beforeCodeFile = new File(packagePath); 9660 setMountPath(newMountPath); 9661 final File afterCodeFile = new File(packagePath); 9662 9663 // Reflect the rename in scanned details 9664 pkg.codePath = afterCodeFile.getAbsolutePath(); 9665 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9666 pkg.baseCodePath); 9667 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9668 pkg.splitCodePaths); 9669 9670 // Reflect the rename in app info 9671 pkg.applicationInfo.setCodePath(pkg.codePath); 9672 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9673 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9674 pkg.applicationInfo.setResourcePath(pkg.codePath); 9675 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9676 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9677 9678 return true; 9679 } 9680 9681 private void setMountPath(String mountPath) { 9682 final File mountFile = new File(mountPath); 9683 9684 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9685 if (monolithicFile.exists()) { 9686 packagePath = monolithicFile.getAbsolutePath(); 9687 if (isFwdLocked()) { 9688 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9689 } else { 9690 resourcePath = packagePath; 9691 } 9692 } else { 9693 packagePath = mountFile.getAbsolutePath(); 9694 resourcePath = packagePath; 9695 } 9696 9697 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9698 } 9699 9700 int doPostInstall(int status, int uid) { 9701 if (status != PackageManager.INSTALL_SUCCEEDED) { 9702 cleanUp(); 9703 } else { 9704 final int groupOwner; 9705 final String protectedFile; 9706 if (isFwdLocked()) { 9707 groupOwner = UserHandle.getSharedAppGid(uid); 9708 protectedFile = RES_FILE_NAME; 9709 } else { 9710 groupOwner = -1; 9711 protectedFile = null; 9712 } 9713 9714 if (uid < Process.FIRST_APPLICATION_UID 9715 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9716 Slog.e(TAG, "Failed to finalize " + cid); 9717 PackageHelper.destroySdDir(cid); 9718 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9719 } 9720 9721 boolean mounted = PackageHelper.isContainerMounted(cid); 9722 if (!mounted) { 9723 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9724 } 9725 } 9726 return status; 9727 } 9728 9729 private void cleanUp() { 9730 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9731 9732 // Destroy secure container 9733 PackageHelper.destroySdDir(cid); 9734 } 9735 9736 private List<String> getAllCodePaths() { 9737 final File codeFile = new File(getCodePath()); 9738 if (codeFile != null && codeFile.exists()) { 9739 try { 9740 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9741 return pkg.getAllCodePaths(); 9742 } catch (PackageParserException e) { 9743 // Ignored; we tried our best 9744 } 9745 } 9746 return Collections.EMPTY_LIST; 9747 } 9748 9749 void cleanUpResourcesLI() { 9750 // Enumerate all code paths before deleting 9751 cleanUpResourcesLI(getAllCodePaths()); 9752 } 9753 9754 private void cleanUpResourcesLI(List<String> allCodePaths) { 9755 cleanUp(); 9756 9757 if (!allCodePaths.isEmpty()) { 9758 if (instructionSets == null) { 9759 throw new IllegalStateException("instructionSet == null"); 9760 } 9761 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9762 for (String codePath : allCodePaths) { 9763 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9764 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9765 if (retCode < 0) { 9766 Slog.w(TAG, "Couldn't remove dex file for package: " 9767 + " at location " + codePath + ", retcode=" + retCode); 9768 // we don't consider this to be a failure of the core package deletion 9769 } 9770 } 9771 } 9772 } 9773 } 9774 9775 boolean matchContainer(String app) { 9776 if (cid.startsWith(app)) { 9777 return true; 9778 } 9779 return false; 9780 } 9781 9782 String getPackageName() { 9783 return getAsecPackageName(cid); 9784 } 9785 9786 boolean doPostDeleteLI(boolean delete) { 9787 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9788 final List<String> allCodePaths = getAllCodePaths(); 9789 boolean mounted = PackageHelper.isContainerMounted(cid); 9790 if (mounted) { 9791 // Unmount first 9792 if (PackageHelper.unMountSdDir(cid)) { 9793 mounted = false; 9794 } 9795 } 9796 if (!mounted && delete) { 9797 cleanUpResourcesLI(allCodePaths); 9798 } 9799 return !mounted; 9800 } 9801 9802 @Override 9803 int doPreCopy() { 9804 if (isFwdLocked()) { 9805 if (!PackageHelper.fixSdPermissions(cid, 9806 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9807 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9808 } 9809 } 9810 9811 return PackageManager.INSTALL_SUCCEEDED; 9812 } 9813 9814 @Override 9815 int doPostCopy(int uid) { 9816 if (isFwdLocked()) { 9817 if (uid < Process.FIRST_APPLICATION_UID 9818 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9819 RES_FILE_NAME)) { 9820 Slog.e(TAG, "Failed to finalize " + cid); 9821 PackageHelper.destroySdDir(cid); 9822 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9823 } 9824 } 9825 9826 return PackageManager.INSTALL_SUCCEEDED; 9827 } 9828 } 9829 9830 static String getAsecPackageName(String packageCid) { 9831 int idx = packageCid.lastIndexOf("-"); 9832 if (idx == -1) { 9833 return packageCid; 9834 } 9835 return packageCid.substring(0, idx); 9836 } 9837 9838 // Utility method used to create code paths based on package name and available index. 9839 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9840 String idxStr = ""; 9841 int idx = 1; 9842 // Fall back to default value of idx=1 if prefix is not 9843 // part of oldCodePath 9844 if (oldCodePath != null) { 9845 String subStr = oldCodePath; 9846 // Drop the suffix right away 9847 if (suffix != null && subStr.endsWith(suffix)) { 9848 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9849 } 9850 // If oldCodePath already contains prefix find out the 9851 // ending index to either increment or decrement. 9852 int sidx = subStr.lastIndexOf(prefix); 9853 if (sidx != -1) { 9854 subStr = subStr.substring(sidx + prefix.length()); 9855 if (subStr != null) { 9856 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9857 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9858 } 9859 try { 9860 idx = Integer.parseInt(subStr); 9861 if (idx <= 1) { 9862 idx++; 9863 } else { 9864 idx--; 9865 } 9866 } catch(NumberFormatException e) { 9867 } 9868 } 9869 } 9870 } 9871 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9872 return prefix + idxStr; 9873 } 9874 9875 private File getNextCodePath(String packageName) { 9876 int suffix = 1; 9877 File result; 9878 do { 9879 result = new File(mAppInstallDir, packageName + "-" + suffix); 9880 suffix++; 9881 } while (result.exists()); 9882 return result; 9883 } 9884 9885 // Utility method used to ignore ADD/REMOVE events 9886 // by directory observer. 9887 private static boolean ignoreCodePath(String fullPathStr) { 9888 String apkName = deriveCodePathName(fullPathStr); 9889 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9890 if (idx != -1 && ((idx+1) < apkName.length())) { 9891 // Make sure the package ends with a numeral 9892 String version = apkName.substring(idx+1); 9893 try { 9894 Integer.parseInt(version); 9895 return true; 9896 } catch (NumberFormatException e) {} 9897 } 9898 return false; 9899 } 9900 9901 // Utility method that returns the relative package path with respect 9902 // to the installation directory. Like say for /data/data/com.test-1.apk 9903 // string com.test-1 is returned. 9904 static String deriveCodePathName(String codePath) { 9905 if (codePath == null) { 9906 return null; 9907 } 9908 final File codeFile = new File(codePath); 9909 final String name = codeFile.getName(); 9910 if (codeFile.isDirectory()) { 9911 return name; 9912 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9913 final int lastDot = name.lastIndexOf('.'); 9914 return name.substring(0, lastDot); 9915 } else { 9916 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9917 return null; 9918 } 9919 } 9920 9921 class PackageInstalledInfo { 9922 String name; 9923 int uid; 9924 // The set of users that originally had this package installed. 9925 int[] origUsers; 9926 // The set of users that now have this package installed. 9927 int[] newUsers; 9928 PackageParser.Package pkg; 9929 int returnCode; 9930 String returnMsg; 9931 PackageRemovedInfo removedInfo; 9932 9933 public void setError(int code, String msg) { 9934 returnCode = code; 9935 returnMsg = msg; 9936 Slog.w(TAG, msg); 9937 } 9938 9939 public void setError(String msg, PackageParserException e) { 9940 returnCode = e.error; 9941 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9942 Slog.w(TAG, msg, e); 9943 } 9944 9945 public void setError(String msg, PackageManagerException e) { 9946 returnCode = e.error; 9947 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9948 Slog.w(TAG, msg, e); 9949 } 9950 9951 // In some error cases we want to convey more info back to the observer 9952 String origPackage; 9953 String origPermission; 9954 } 9955 9956 /* 9957 * Install a non-existing package. 9958 */ 9959 private void installNewPackageLI(PackageParser.Package pkg, 9960 int parseFlags, int scanFlags, UserHandle user, 9961 String installerPackageName, PackageInstalledInfo res) { 9962 // Remember this for later, in case we need to rollback this install 9963 String pkgName = pkg.packageName; 9964 9965 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9966 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9967 synchronized(mPackages) { 9968 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9969 // A package with the same name is already installed, though 9970 // it has been renamed to an older name. The package we 9971 // are trying to install should be installed as an update to 9972 // the existing one, but that has not been requested, so bail. 9973 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9974 + " without first uninstalling package running as " 9975 + mSettings.mRenamedPackages.get(pkgName)); 9976 return; 9977 } 9978 if (mPackages.containsKey(pkgName)) { 9979 // Don't allow installation over an existing package with the same name. 9980 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9981 + " without first uninstalling."); 9982 return; 9983 } 9984 } 9985 9986 try { 9987 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9988 System.currentTimeMillis(), user); 9989 9990 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9991 // delete the partially installed application. the data directory will have to be 9992 // restored if it was already existing 9993 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9994 // remove package from internal structures. Note that we want deletePackageX to 9995 // delete the package data and cache directories that it created in 9996 // scanPackageLocked, unless those directories existed before we even tried to 9997 // install. 9998 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9999 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10000 res.removedInfo, true); 10001 } 10002 10003 } catch (PackageManagerException e) { 10004 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10005 } 10006 } 10007 10008 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10009 // Upgrade keysets are being used. Determine if new package has a superset of the 10010 // required keys. 10011 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10012 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10013 for (int i = 0; i < upgradeKeySets.length; i++) { 10014 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10015 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10016 return true; 10017 } 10018 } 10019 return false; 10020 } 10021 10022 private void replacePackageLI(PackageParser.Package pkg, 10023 int parseFlags, int scanFlags, UserHandle user, 10024 String installerPackageName, PackageInstalledInfo res) { 10025 PackageParser.Package oldPackage; 10026 String pkgName = pkg.packageName; 10027 int[] allUsers; 10028 boolean[] perUserInstalled; 10029 10030 // First find the old package info and check signatures 10031 synchronized(mPackages) { 10032 oldPackage = mPackages.get(pkgName); 10033 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10034 PackageSetting ps = mSettings.mPackages.get(pkgName); 10035 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10036 // default to original signature matching 10037 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10038 != PackageManager.SIGNATURE_MATCH) { 10039 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10040 "New package has a different signature: " + pkgName); 10041 return; 10042 } 10043 } else { 10044 if(!checkUpgradeKeySetLP(ps, pkg)) { 10045 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10046 "New package not signed by keys specified by upgrade-keysets: " 10047 + pkgName); 10048 return; 10049 } 10050 } 10051 10052 // In case of rollback, remember per-user/profile install state 10053 allUsers = sUserManager.getUserIds(); 10054 perUserInstalled = new boolean[allUsers.length]; 10055 for (int i = 0; i < allUsers.length; i++) { 10056 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10057 } 10058 } 10059 10060 boolean sysPkg = (isSystemApp(oldPackage)); 10061 if (sysPkg) { 10062 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10063 user, allUsers, perUserInstalled, installerPackageName, res); 10064 } else { 10065 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10066 user, allUsers, perUserInstalled, installerPackageName, res); 10067 } 10068 } 10069 10070 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10071 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10072 int[] allUsers, boolean[] perUserInstalled, 10073 String installerPackageName, PackageInstalledInfo res) { 10074 String pkgName = deletedPackage.packageName; 10075 boolean deletedPkg = true; 10076 boolean updatedSettings = false; 10077 10078 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10079 + deletedPackage); 10080 long origUpdateTime; 10081 if (pkg.mExtras != null) { 10082 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10083 } else { 10084 origUpdateTime = 0; 10085 } 10086 10087 // First delete the existing package while retaining the data directory 10088 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10089 res.removedInfo, true)) { 10090 // If the existing package wasn't successfully deleted 10091 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10092 deletedPkg = false; 10093 } else { 10094 // Successfully deleted the old package; proceed with replace. 10095 10096 // If deleted package lived in a container, give users a chance to 10097 // relinquish resources before killing. 10098 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10099 if (DEBUG_INSTALL) { 10100 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10101 } 10102 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10103 final ArrayList<String> pkgList = new ArrayList<String>(1); 10104 pkgList.add(deletedPackage.applicationInfo.packageName); 10105 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10106 } 10107 10108 deleteCodeCacheDirsLI(pkgName); 10109 try { 10110 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10111 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10112 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10113 updatedSettings = true; 10114 } catch (PackageManagerException e) { 10115 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10116 } 10117 } 10118 10119 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10120 // remove package from internal structures. Note that we want deletePackageX to 10121 // delete the package data and cache directories that it created in 10122 // scanPackageLocked, unless those directories existed before we even tried to 10123 // install. 10124 if(updatedSettings) { 10125 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10126 deletePackageLI( 10127 pkgName, null, true, allUsers, perUserInstalled, 10128 PackageManager.DELETE_KEEP_DATA, 10129 res.removedInfo, true); 10130 } 10131 // Since we failed to install the new package we need to restore the old 10132 // package that we deleted. 10133 if (deletedPkg) { 10134 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10135 File restoreFile = new File(deletedPackage.codePath); 10136 // Parse old package 10137 boolean oldOnSd = isExternal(deletedPackage); 10138 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10139 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10140 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10141 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10142 try { 10143 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10144 } catch (PackageManagerException e) { 10145 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10146 + e.getMessage()); 10147 return; 10148 } 10149 // Restore of old package succeeded. Update permissions. 10150 // writer 10151 synchronized (mPackages) { 10152 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10153 UPDATE_PERMISSIONS_ALL); 10154 // can downgrade to reader 10155 mSettings.writeLPr(); 10156 } 10157 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10158 } 10159 } 10160 } 10161 10162 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10163 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10164 int[] allUsers, boolean[] perUserInstalled, 10165 String installerPackageName, PackageInstalledInfo res) { 10166 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10167 + ", old=" + deletedPackage); 10168 boolean disabledSystem = false; 10169 boolean updatedSettings = false; 10170 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10171 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10172 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10173 } 10174 String packageName = deletedPackage.packageName; 10175 if (packageName == null) { 10176 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10177 "Attempt to delete null packageName."); 10178 return; 10179 } 10180 PackageParser.Package oldPkg; 10181 PackageSetting oldPkgSetting; 10182 // reader 10183 synchronized (mPackages) { 10184 oldPkg = mPackages.get(packageName); 10185 oldPkgSetting = mSettings.mPackages.get(packageName); 10186 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10187 (oldPkgSetting == null)) { 10188 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10189 "Couldn't find package:" + packageName + " information"); 10190 return; 10191 } 10192 } 10193 10194 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10195 10196 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10197 res.removedInfo.removedPackage = packageName; 10198 // Remove existing system package 10199 removePackageLI(oldPkgSetting, true); 10200 // writer 10201 synchronized (mPackages) { 10202 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10203 if (!disabledSystem && deletedPackage != null) { 10204 // We didn't need to disable the .apk as a current system package, 10205 // which means we are replacing another update that is already 10206 // installed. We need to make sure to delete the older one's .apk. 10207 res.removedInfo.args = createInstallArgsForExisting(0, 10208 deletedPackage.applicationInfo.getCodePath(), 10209 deletedPackage.applicationInfo.getResourcePath(), 10210 deletedPackage.applicationInfo.nativeLibraryRootDir, 10211 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10212 } else { 10213 res.removedInfo.args = null; 10214 } 10215 } 10216 10217 // Successfully disabled the old package. Now proceed with re-installation 10218 deleteCodeCacheDirsLI(packageName); 10219 10220 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10221 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10222 10223 PackageParser.Package newPackage = null; 10224 try { 10225 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10226 if (newPackage.mExtras != null) { 10227 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10228 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10229 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10230 10231 // is the update attempting to change shared user? that isn't going to work... 10232 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10233 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10234 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10235 + " to " + newPkgSetting.sharedUser); 10236 updatedSettings = true; 10237 } 10238 } 10239 10240 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10241 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10242 updatedSettings = true; 10243 } 10244 10245 } catch (PackageManagerException e) { 10246 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10247 } 10248 10249 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10250 // Re installation failed. Restore old information 10251 // Remove new pkg information 10252 if (newPackage != null) { 10253 removeInstalledPackageLI(newPackage, true); 10254 } 10255 // Add back the old system package 10256 try { 10257 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10258 } catch (PackageManagerException e) { 10259 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10260 } 10261 // Restore the old system information in Settings 10262 synchronized (mPackages) { 10263 if (disabledSystem) { 10264 mSettings.enableSystemPackageLPw(packageName); 10265 } 10266 if (updatedSettings) { 10267 mSettings.setInstallerPackageName(packageName, 10268 oldPkgSetting.installerPackageName); 10269 } 10270 mSettings.writeLPr(); 10271 } 10272 } 10273 } 10274 10275 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10276 int[] allUsers, boolean[] perUserInstalled, 10277 PackageInstalledInfo res) { 10278 String pkgName = newPackage.packageName; 10279 synchronized (mPackages) { 10280 //write settings. the installStatus will be incomplete at this stage. 10281 //note that the new package setting would have already been 10282 //added to mPackages. It hasn't been persisted yet. 10283 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10284 mSettings.writeLPr(); 10285 } 10286 10287 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10288 10289 synchronized (mPackages) { 10290 updatePermissionsLPw(newPackage.packageName, newPackage, 10291 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10292 ? UPDATE_PERMISSIONS_ALL : 0)); 10293 // For system-bundled packages, we assume that installing an upgraded version 10294 // of the package implies that the user actually wants to run that new code, 10295 // so we enable the package. 10296 if (isSystemApp(newPackage)) { 10297 // NB: implicit assumption that system package upgrades apply to all users 10298 if (DEBUG_INSTALL) { 10299 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10300 } 10301 PackageSetting ps = mSettings.mPackages.get(pkgName); 10302 if (ps != null) { 10303 if (res.origUsers != null) { 10304 for (int userHandle : res.origUsers) { 10305 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10306 userHandle, installerPackageName); 10307 } 10308 } 10309 // Also convey the prior install/uninstall state 10310 if (allUsers != null && perUserInstalled != null) { 10311 for (int i = 0; i < allUsers.length; i++) { 10312 if (DEBUG_INSTALL) { 10313 Slog.d(TAG, " user " + allUsers[i] 10314 + " => " + perUserInstalled[i]); 10315 } 10316 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10317 } 10318 // these install state changes will be persisted in the 10319 // upcoming call to mSettings.writeLPr(). 10320 } 10321 } 10322 } 10323 res.name = pkgName; 10324 res.uid = newPackage.applicationInfo.uid; 10325 res.pkg = newPackage; 10326 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10327 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10328 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10329 //to update install status 10330 mSettings.writeLPr(); 10331 } 10332 } 10333 10334 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10335 final int installFlags = args.installFlags; 10336 String installerPackageName = args.installerPackageName; 10337 File tmpPackageFile = new File(args.getCodePath()); 10338 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10339 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10340 boolean replace = false; 10341 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10342 // Result object to be returned 10343 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10344 10345 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10346 // Retrieve PackageSettings and parse package 10347 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10348 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10349 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10350 PackageParser pp = new PackageParser(); 10351 pp.setSeparateProcesses(mSeparateProcesses); 10352 pp.setDisplayMetrics(mMetrics); 10353 10354 final PackageParser.Package pkg; 10355 try { 10356 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10357 } catch (PackageParserException e) { 10358 res.setError("Failed parse during installPackageLI", e); 10359 return; 10360 } 10361 10362 // Mark that we have an install time CPU ABI override. 10363 pkg.cpuAbiOverride = args.abiOverride; 10364 10365 String pkgName = res.name = pkg.packageName; 10366 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10367 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10368 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10369 return; 10370 } 10371 } 10372 10373 try { 10374 pp.collectCertificates(pkg, parseFlags); 10375 pp.collectManifestDigest(pkg); 10376 } catch (PackageParserException e) { 10377 res.setError("Failed collect during installPackageLI", e); 10378 return; 10379 } 10380 10381 /* If the installer passed in a manifest digest, compare it now. */ 10382 if (args.manifestDigest != null) { 10383 if (DEBUG_INSTALL) { 10384 final String parsedManifest = pkg.manifestDigest == null ? "null" 10385 : pkg.manifestDigest.toString(); 10386 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10387 + parsedManifest); 10388 } 10389 10390 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10391 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10392 return; 10393 } 10394 } else if (DEBUG_INSTALL) { 10395 final String parsedManifest = pkg.manifestDigest == null 10396 ? "null" : pkg.manifestDigest.toString(); 10397 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10398 } 10399 10400 // Get rid of all references to package scan path via parser. 10401 pp = null; 10402 String oldCodePath = null; 10403 boolean systemApp = false; 10404 synchronized (mPackages) { 10405 // Check whether the newly-scanned package wants to define an already-defined perm 10406 int N = pkg.permissions.size(); 10407 for (int i = N-1; i >= 0; i--) { 10408 PackageParser.Permission perm = pkg.permissions.get(i); 10409 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10410 if (bp != null) { 10411 // If the defining package is signed with our cert, it's okay. This 10412 // also includes the "updating the same package" case, of course. 10413 // "updating same package" could also involve key-rotation. 10414 final boolean sigsOk; 10415 if (!bp.sourcePackage.equals(pkg.packageName) 10416 || !(bp.packageSetting instanceof PackageSetting) 10417 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10418 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10419 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10420 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10421 } else { 10422 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10423 } 10424 if (!sigsOk) { 10425 // If the owning package is the system itself, we log but allow 10426 // install to proceed; we fail the install on all other permission 10427 // redefinitions. 10428 if (!bp.sourcePackage.equals("android")) { 10429 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10430 + pkg.packageName + " attempting to redeclare permission " 10431 + perm.info.name + " already owned by " + bp.sourcePackage); 10432 res.origPermission = perm.info.name; 10433 res.origPackage = bp.sourcePackage; 10434 return; 10435 } else { 10436 Slog.w(TAG, "Package " + pkg.packageName 10437 + " attempting to redeclare system permission " 10438 + perm.info.name + "; ignoring new declaration"); 10439 pkg.permissions.remove(i); 10440 } 10441 } 10442 } 10443 } 10444 10445 // Check if installing already existing package 10446 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10447 String oldName = mSettings.mRenamedPackages.get(pkgName); 10448 if (pkg.mOriginalPackages != null 10449 && pkg.mOriginalPackages.contains(oldName) 10450 && mPackages.containsKey(oldName)) { 10451 // This package is derived from an original package, 10452 // and this device has been updating from that original 10453 // name. We must continue using the original name, so 10454 // rename the new package here. 10455 pkg.setPackageName(oldName); 10456 pkgName = pkg.packageName; 10457 replace = true; 10458 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10459 + oldName + " pkgName=" + pkgName); 10460 } else if (mPackages.containsKey(pkgName)) { 10461 // This package, under its official name, already exists 10462 // on the device; we should replace it. 10463 replace = true; 10464 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10465 } 10466 } 10467 PackageSetting ps = mSettings.mPackages.get(pkgName); 10468 if (ps != null) { 10469 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10470 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10471 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10472 systemApp = (ps.pkg.applicationInfo.flags & 10473 ApplicationInfo.FLAG_SYSTEM) != 0; 10474 } 10475 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10476 } 10477 } 10478 10479 if (systemApp && onSd) { 10480 // Disable updates to system apps on sdcard 10481 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10482 "Cannot install updates to system apps on sdcard"); 10483 return; 10484 } 10485 10486 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10487 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10488 return; 10489 } 10490 10491 if (replace) { 10492 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10493 installerPackageName, res); 10494 } else { 10495 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10496 args.user, installerPackageName, res); 10497 } 10498 synchronized (mPackages) { 10499 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10500 if (ps != null) { 10501 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10502 } 10503 } 10504 } 10505 10506 private static boolean isForwardLocked(PackageParser.Package pkg) { 10507 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10508 } 10509 10510 private static boolean isForwardLocked(ApplicationInfo info) { 10511 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10512 } 10513 10514 private boolean isForwardLocked(PackageSetting ps) { 10515 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10516 } 10517 10518 private static boolean isMultiArch(PackageSetting ps) { 10519 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10520 } 10521 10522 private static boolean isMultiArch(ApplicationInfo info) { 10523 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10524 } 10525 10526 private static boolean isExternal(PackageParser.Package pkg) { 10527 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10528 } 10529 10530 private static boolean isExternal(PackageSetting ps) { 10531 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10532 } 10533 10534 private static boolean isExternal(ApplicationInfo info) { 10535 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10536 } 10537 10538 private static boolean isSystemApp(PackageParser.Package pkg) { 10539 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10540 } 10541 10542 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10543 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10544 } 10545 10546 private static boolean isSystemApp(ApplicationInfo info) { 10547 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10548 } 10549 10550 private static boolean isSystemApp(PackageSetting ps) { 10551 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10552 } 10553 10554 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10555 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10556 } 10557 10558 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10559 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10560 } 10561 10562 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10563 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10564 } 10565 10566 private int packageFlagsToInstallFlags(PackageSetting ps) { 10567 int installFlags = 0; 10568 if (isExternal(ps)) { 10569 installFlags |= PackageManager.INSTALL_EXTERNAL; 10570 } 10571 if (isForwardLocked(ps)) { 10572 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10573 } 10574 return installFlags; 10575 } 10576 10577 private void deleteTempPackageFiles() { 10578 final FilenameFilter filter = new FilenameFilter() { 10579 public boolean accept(File dir, String name) { 10580 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10581 } 10582 }; 10583 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10584 file.delete(); 10585 } 10586 } 10587 10588 @Override 10589 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10590 int flags) { 10591 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10592 flags); 10593 } 10594 10595 @Override 10596 public void deletePackage(final String packageName, 10597 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10598 mContext.enforceCallingOrSelfPermission( 10599 android.Manifest.permission.DELETE_PACKAGES, null); 10600 final int uid = Binder.getCallingUid(); 10601 if (UserHandle.getUserId(uid) != userId) { 10602 mContext.enforceCallingPermission( 10603 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10604 "deletePackage for user " + userId); 10605 } 10606 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10607 try { 10608 observer.onPackageDeleted(packageName, 10609 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10610 } catch (RemoteException re) { 10611 } 10612 return; 10613 } 10614 10615 boolean uninstallBlocked = false; 10616 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10617 int[] users = sUserManager.getUserIds(); 10618 for (int i = 0; i < users.length; ++i) { 10619 if (getBlockUninstallForUser(packageName, users[i])) { 10620 uninstallBlocked = true; 10621 break; 10622 } 10623 } 10624 } else { 10625 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10626 } 10627 if (uninstallBlocked) { 10628 try { 10629 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10630 null); 10631 } catch (RemoteException re) { 10632 } 10633 return; 10634 } 10635 10636 if (DEBUG_REMOVE) { 10637 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10638 } 10639 // Queue up an async operation since the package deletion may take a little while. 10640 mHandler.post(new Runnable() { 10641 public void run() { 10642 mHandler.removeCallbacks(this); 10643 final int returnCode = deletePackageX(packageName, userId, flags); 10644 if (observer != null) { 10645 try { 10646 observer.onPackageDeleted(packageName, returnCode, null); 10647 } catch (RemoteException e) { 10648 Log.i(TAG, "Observer no longer exists."); 10649 } //end catch 10650 } //end if 10651 } //end run 10652 }); 10653 } 10654 10655 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10656 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10657 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10658 try { 10659 if (dpm != null) { 10660 if (dpm.isDeviceOwner(packageName)) { 10661 return true; 10662 } 10663 int[] users; 10664 if (userId == UserHandle.USER_ALL) { 10665 users = sUserManager.getUserIds(); 10666 } else { 10667 users = new int[]{userId}; 10668 } 10669 for (int i = 0; i < users.length; ++i) { 10670 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10671 return true; 10672 } 10673 } 10674 } 10675 } catch (RemoteException e) { 10676 } 10677 return false; 10678 } 10679 10680 /** 10681 * This method is an internal method that could be get invoked either 10682 * to delete an installed package or to clean up a failed installation. 10683 * After deleting an installed package, a broadcast is sent to notify any 10684 * listeners that the package has been installed. For cleaning up a failed 10685 * installation, the broadcast is not necessary since the package's 10686 * installation wouldn't have sent the initial broadcast either 10687 * The key steps in deleting a package are 10688 * deleting the package information in internal structures like mPackages, 10689 * deleting the packages base directories through installd 10690 * updating mSettings to reflect current status 10691 * persisting settings for later use 10692 * sending a broadcast if necessary 10693 */ 10694 private int deletePackageX(String packageName, int userId, int flags) { 10695 final PackageRemovedInfo info = new PackageRemovedInfo(); 10696 final boolean res; 10697 10698 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10699 ? UserHandle.ALL : new UserHandle(userId); 10700 10701 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10702 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10703 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10704 } 10705 10706 boolean removedForAllUsers = false; 10707 boolean systemUpdate = false; 10708 10709 // for the uninstall-updates case and restricted profiles, remember the per- 10710 // userhandle installed state 10711 int[] allUsers; 10712 boolean[] perUserInstalled; 10713 synchronized (mPackages) { 10714 PackageSetting ps = mSettings.mPackages.get(packageName); 10715 allUsers = sUserManager.getUserIds(); 10716 perUserInstalled = new boolean[allUsers.length]; 10717 for (int i = 0; i < allUsers.length; i++) { 10718 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10719 } 10720 } 10721 10722 synchronized (mInstallLock) { 10723 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10724 res = deletePackageLI(packageName, removeForUser, 10725 true, allUsers, perUserInstalled, 10726 flags | REMOVE_CHATTY, info, true); 10727 systemUpdate = info.isRemovedPackageSystemUpdate; 10728 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10729 removedForAllUsers = true; 10730 } 10731 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10732 + " removedForAllUsers=" + removedForAllUsers); 10733 } 10734 10735 if (res) { 10736 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10737 10738 // If the removed package was a system update, the old system package 10739 // was re-enabled; we need to broadcast this information 10740 if (systemUpdate) { 10741 Bundle extras = new Bundle(1); 10742 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10743 ? info.removedAppId : info.uid); 10744 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10745 10746 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10747 extras, null, null, null); 10748 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10749 extras, null, null, null); 10750 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10751 null, packageName, null, null); 10752 } 10753 } 10754 // Force a gc here. 10755 Runtime.getRuntime().gc(); 10756 // Delete the resources here after sending the broadcast to let 10757 // other processes clean up before deleting resources. 10758 if (info.args != null) { 10759 synchronized (mInstallLock) { 10760 info.args.doPostDeleteLI(true); 10761 } 10762 } 10763 10764 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10765 } 10766 10767 static class PackageRemovedInfo { 10768 String removedPackage; 10769 int uid = -1; 10770 int removedAppId = -1; 10771 int[] removedUsers = null; 10772 boolean isRemovedPackageSystemUpdate = false; 10773 // Clean up resources deleted packages. 10774 InstallArgs args = null; 10775 10776 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10777 Bundle extras = new Bundle(1); 10778 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10779 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10780 if (replacing) { 10781 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10782 } 10783 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10784 if (removedPackage != null) { 10785 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10786 extras, null, null, removedUsers); 10787 if (fullRemove && !replacing) { 10788 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10789 extras, null, null, removedUsers); 10790 } 10791 } 10792 if (removedAppId >= 0) { 10793 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10794 removedUsers); 10795 } 10796 } 10797 } 10798 10799 /* 10800 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10801 * flag is not set, the data directory is removed as well. 10802 * make sure this flag is set for partially installed apps. If not its meaningless to 10803 * delete a partially installed application. 10804 */ 10805 private void removePackageDataLI(PackageSetting ps, 10806 int[] allUserHandles, boolean[] perUserInstalled, 10807 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10808 String packageName = ps.name; 10809 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10810 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10811 // Retrieve object to delete permissions for shared user later on 10812 final PackageSetting deletedPs; 10813 // reader 10814 synchronized (mPackages) { 10815 deletedPs = mSettings.mPackages.get(packageName); 10816 if (outInfo != null) { 10817 outInfo.removedPackage = packageName; 10818 outInfo.removedUsers = deletedPs != null 10819 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10820 : null; 10821 } 10822 } 10823 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10824 removeDataDirsLI(packageName); 10825 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10826 } 10827 // writer 10828 synchronized (mPackages) { 10829 if (deletedPs != null) { 10830 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10831 if (outInfo != null) { 10832 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10833 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10834 } 10835 if (deletedPs != null) { 10836 updatePermissionsLPw(deletedPs.name, null, 0); 10837 if (deletedPs.sharedUser != null) { 10838 // remove permissions associated with package 10839 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10840 } 10841 } 10842 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10843 } 10844 // make sure to preserve per-user disabled state if this removal was just 10845 // a downgrade of a system app to the factory package 10846 if (allUserHandles != null && perUserInstalled != null) { 10847 if (DEBUG_REMOVE) { 10848 Slog.d(TAG, "Propagating install state across downgrade"); 10849 } 10850 for (int i = 0; i < allUserHandles.length; i++) { 10851 if (DEBUG_REMOVE) { 10852 Slog.d(TAG, " user " + allUserHandles[i] 10853 + " => " + perUserInstalled[i]); 10854 } 10855 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10856 } 10857 } 10858 } 10859 // can downgrade to reader 10860 if (writeSettings) { 10861 // Save settings now 10862 mSettings.writeLPr(); 10863 } 10864 } 10865 if (outInfo != null) { 10866 // A user ID was deleted here. Go through all users and remove it 10867 // from KeyStore. 10868 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10869 } 10870 } 10871 10872 static boolean locationIsPrivileged(File path) { 10873 try { 10874 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10875 .getCanonicalPath(); 10876 return path.getCanonicalPath().startsWith(privilegedAppDir); 10877 } catch (IOException e) { 10878 Slog.e(TAG, "Unable to access code path " + path); 10879 } 10880 return false; 10881 } 10882 10883 /* 10884 * Tries to delete system package. 10885 */ 10886 private boolean deleteSystemPackageLI(PackageSetting newPs, 10887 int[] allUserHandles, boolean[] perUserInstalled, 10888 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10889 final boolean applyUserRestrictions 10890 = (allUserHandles != null) && (perUserInstalled != null); 10891 PackageSetting disabledPs = null; 10892 // Confirm if the system package has been updated 10893 // An updated system app can be deleted. This will also have to restore 10894 // the system pkg from system partition 10895 // reader 10896 synchronized (mPackages) { 10897 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10898 } 10899 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10900 + " disabledPs=" + disabledPs); 10901 if (disabledPs == null) { 10902 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10903 return false; 10904 } else if (DEBUG_REMOVE) { 10905 Slog.d(TAG, "Deleting system pkg from data partition"); 10906 } 10907 if (DEBUG_REMOVE) { 10908 if (applyUserRestrictions) { 10909 Slog.d(TAG, "Remembering install states:"); 10910 for (int i = 0; i < allUserHandles.length; i++) { 10911 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10912 } 10913 } 10914 } 10915 // Delete the updated package 10916 outInfo.isRemovedPackageSystemUpdate = true; 10917 if (disabledPs.versionCode < newPs.versionCode) { 10918 // Delete data for downgrades 10919 flags &= ~PackageManager.DELETE_KEEP_DATA; 10920 } else { 10921 // Preserve data by setting flag 10922 flags |= PackageManager.DELETE_KEEP_DATA; 10923 } 10924 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10925 allUserHandles, perUserInstalled, outInfo, writeSettings); 10926 if (!ret) { 10927 return false; 10928 } 10929 // writer 10930 synchronized (mPackages) { 10931 // Reinstate the old system package 10932 mSettings.enableSystemPackageLPw(newPs.name); 10933 // Remove any native libraries from the upgraded package. 10934 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10935 } 10936 // Install the system package 10937 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10938 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10939 if (locationIsPrivileged(disabledPs.codePath)) { 10940 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10941 } 10942 10943 final PackageParser.Package newPkg; 10944 try { 10945 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10946 } catch (PackageManagerException e) { 10947 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10948 return false; 10949 } 10950 10951 // writer 10952 synchronized (mPackages) { 10953 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10954 updatePermissionsLPw(newPkg.packageName, newPkg, 10955 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10956 if (applyUserRestrictions) { 10957 if (DEBUG_REMOVE) { 10958 Slog.d(TAG, "Propagating install state across reinstall"); 10959 } 10960 for (int i = 0; i < allUserHandles.length; i++) { 10961 if (DEBUG_REMOVE) { 10962 Slog.d(TAG, " user " + allUserHandles[i] 10963 + " => " + perUserInstalled[i]); 10964 } 10965 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10966 } 10967 // Regardless of writeSettings we need to ensure that this restriction 10968 // state propagation is persisted 10969 mSettings.writeAllUsersPackageRestrictionsLPr(); 10970 } 10971 // can downgrade to reader here 10972 if (writeSettings) { 10973 mSettings.writeLPr(); 10974 } 10975 } 10976 return true; 10977 } 10978 10979 private boolean deleteInstalledPackageLI(PackageSetting ps, 10980 boolean deleteCodeAndResources, int flags, 10981 int[] allUserHandles, boolean[] perUserInstalled, 10982 PackageRemovedInfo outInfo, boolean writeSettings) { 10983 if (outInfo != null) { 10984 outInfo.uid = ps.appId; 10985 } 10986 10987 // Delete package data from internal structures and also remove data if flag is set 10988 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10989 10990 // Delete application code and resources 10991 if (deleteCodeAndResources && (outInfo != null)) { 10992 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10993 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 10994 getAppDexInstructionSets(ps)); 10995 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 10996 } 10997 return true; 10998 } 10999 11000 @Override 11001 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11002 int userId) { 11003 mContext.enforceCallingOrSelfPermission( 11004 android.Manifest.permission.DELETE_PACKAGES, null); 11005 synchronized (mPackages) { 11006 PackageSetting ps = mSettings.mPackages.get(packageName); 11007 if (ps == null) { 11008 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11009 return false; 11010 } 11011 if (!ps.getInstalled(userId)) { 11012 // Can't block uninstall for an app that is not installed or enabled. 11013 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11014 return false; 11015 } 11016 ps.setBlockUninstall(blockUninstall, userId); 11017 mSettings.writePackageRestrictionsLPr(userId); 11018 } 11019 return true; 11020 } 11021 11022 @Override 11023 public boolean getBlockUninstallForUser(String packageName, int userId) { 11024 synchronized (mPackages) { 11025 PackageSetting ps = mSettings.mPackages.get(packageName); 11026 if (ps == null) { 11027 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11028 return false; 11029 } 11030 return ps.getBlockUninstall(userId); 11031 } 11032 } 11033 11034 /* 11035 * This method handles package deletion in general 11036 */ 11037 private boolean deletePackageLI(String packageName, UserHandle user, 11038 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11039 int flags, PackageRemovedInfo outInfo, 11040 boolean writeSettings) { 11041 if (packageName == null) { 11042 Slog.w(TAG, "Attempt to delete null packageName."); 11043 return false; 11044 } 11045 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11046 PackageSetting ps; 11047 boolean dataOnly = false; 11048 int removeUser = -1; 11049 int appId = -1; 11050 synchronized (mPackages) { 11051 ps = mSettings.mPackages.get(packageName); 11052 if (ps == null) { 11053 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11054 return false; 11055 } 11056 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11057 && user.getIdentifier() != UserHandle.USER_ALL) { 11058 // The caller is asking that the package only be deleted for a single 11059 // user. To do this, we just mark its uninstalled state and delete 11060 // its data. If this is a system app, we only allow this to happen if 11061 // they have set the special DELETE_SYSTEM_APP which requests different 11062 // semantics than normal for uninstalling system apps. 11063 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11064 ps.setUserState(user.getIdentifier(), 11065 COMPONENT_ENABLED_STATE_DEFAULT, 11066 false, //installed 11067 true, //stopped 11068 true, //notLaunched 11069 false, //hidden 11070 null, null, null, 11071 false // blockUninstall 11072 ); 11073 if (!isSystemApp(ps)) { 11074 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11075 // Other user still have this package installed, so all 11076 // we need to do is clear this user's data and save that 11077 // it is uninstalled. 11078 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11079 removeUser = user.getIdentifier(); 11080 appId = ps.appId; 11081 mSettings.writePackageRestrictionsLPr(removeUser); 11082 } else { 11083 // We need to set it back to 'installed' so the uninstall 11084 // broadcasts will be sent correctly. 11085 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11086 ps.setInstalled(true, user.getIdentifier()); 11087 } 11088 } else { 11089 // This is a system app, so we assume that the 11090 // other users still have this package installed, so all 11091 // we need to do is clear this user's data and save that 11092 // it is uninstalled. 11093 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11094 removeUser = user.getIdentifier(); 11095 appId = ps.appId; 11096 mSettings.writePackageRestrictionsLPr(removeUser); 11097 } 11098 } 11099 } 11100 11101 if (removeUser >= 0) { 11102 // From above, we determined that we are deleting this only 11103 // for a single user. Continue the work here. 11104 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11105 if (outInfo != null) { 11106 outInfo.removedPackage = packageName; 11107 outInfo.removedAppId = appId; 11108 outInfo.removedUsers = new int[] {removeUser}; 11109 } 11110 mInstaller.clearUserData(packageName, removeUser); 11111 removeKeystoreDataIfNeeded(removeUser, appId); 11112 schedulePackageCleaning(packageName, removeUser, false); 11113 return true; 11114 } 11115 11116 if (dataOnly) { 11117 // Delete application data first 11118 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11119 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11120 return true; 11121 } 11122 11123 boolean ret = false; 11124 if (isSystemApp(ps)) { 11125 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11126 // When an updated system application is deleted we delete the existing resources as well and 11127 // fall back to existing code in system partition 11128 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11129 flags, outInfo, writeSettings); 11130 } else { 11131 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11132 // Kill application pre-emptively especially for apps on sd. 11133 killApplication(packageName, ps.appId, "uninstall pkg"); 11134 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11135 allUserHandles, perUserInstalled, 11136 outInfo, writeSettings); 11137 } 11138 11139 return ret; 11140 } 11141 11142 private final class ClearStorageConnection implements ServiceConnection { 11143 IMediaContainerService mContainerService; 11144 11145 @Override 11146 public void onServiceConnected(ComponentName name, IBinder service) { 11147 synchronized (this) { 11148 mContainerService = IMediaContainerService.Stub.asInterface(service); 11149 notifyAll(); 11150 } 11151 } 11152 11153 @Override 11154 public void onServiceDisconnected(ComponentName name) { 11155 } 11156 } 11157 11158 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11159 final boolean mounted; 11160 if (Environment.isExternalStorageEmulated()) { 11161 mounted = true; 11162 } else { 11163 final String status = Environment.getExternalStorageState(); 11164 11165 mounted = status.equals(Environment.MEDIA_MOUNTED) 11166 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11167 } 11168 11169 if (!mounted) { 11170 return; 11171 } 11172 11173 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11174 int[] users; 11175 if (userId == UserHandle.USER_ALL) { 11176 users = sUserManager.getUserIds(); 11177 } else { 11178 users = new int[] { userId }; 11179 } 11180 final ClearStorageConnection conn = new ClearStorageConnection(); 11181 if (mContext.bindServiceAsUser( 11182 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11183 try { 11184 for (int curUser : users) { 11185 long timeout = SystemClock.uptimeMillis() + 5000; 11186 synchronized (conn) { 11187 long now = SystemClock.uptimeMillis(); 11188 while (conn.mContainerService == null && now < timeout) { 11189 try { 11190 conn.wait(timeout - now); 11191 } catch (InterruptedException e) { 11192 } 11193 } 11194 } 11195 if (conn.mContainerService == null) { 11196 return; 11197 } 11198 11199 final UserEnvironment userEnv = new UserEnvironment(curUser); 11200 clearDirectory(conn.mContainerService, 11201 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11202 if (allData) { 11203 clearDirectory(conn.mContainerService, 11204 userEnv.buildExternalStorageAppDataDirs(packageName)); 11205 clearDirectory(conn.mContainerService, 11206 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11207 } 11208 } 11209 } finally { 11210 mContext.unbindService(conn); 11211 } 11212 } 11213 } 11214 11215 @Override 11216 public void clearApplicationUserData(final String packageName, 11217 final IPackageDataObserver observer, final int userId) { 11218 mContext.enforceCallingOrSelfPermission( 11219 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11220 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11221 // Queue up an async operation since the package deletion may take a little while. 11222 mHandler.post(new Runnable() { 11223 public void run() { 11224 mHandler.removeCallbacks(this); 11225 final boolean succeeded; 11226 synchronized (mInstallLock) { 11227 succeeded = clearApplicationUserDataLI(packageName, userId); 11228 } 11229 clearExternalStorageDataSync(packageName, userId, true); 11230 if (succeeded) { 11231 // invoke DeviceStorageMonitor's update method to clear any notifications 11232 DeviceStorageMonitorInternal 11233 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11234 if (dsm != null) { 11235 dsm.checkMemory(); 11236 } 11237 } 11238 if(observer != null) { 11239 try { 11240 observer.onRemoveCompleted(packageName, succeeded); 11241 } catch (RemoteException e) { 11242 Log.i(TAG, "Observer no longer exists."); 11243 } 11244 } //end if observer 11245 } //end run 11246 }); 11247 } 11248 11249 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11250 if (packageName == null) { 11251 Slog.w(TAG, "Attempt to delete null packageName."); 11252 return false; 11253 } 11254 11255 // Try finding details about the requested package 11256 PackageParser.Package pkg; 11257 synchronized (mPackages) { 11258 pkg = mPackages.get(packageName); 11259 if (pkg == null) { 11260 final PackageSetting ps = mSettings.mPackages.get(packageName); 11261 if (ps != null) { 11262 pkg = ps.pkg; 11263 } 11264 } 11265 } 11266 11267 if (pkg == null) { 11268 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11269 } 11270 11271 // Always delete data directories for package, even if we found no other 11272 // record of app. This helps users recover from UID mismatches without 11273 // resorting to a full data wipe. 11274 int retCode = mInstaller.clearUserData(packageName, userId); 11275 if (retCode < 0) { 11276 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11277 return false; 11278 } 11279 11280 if (pkg == null) { 11281 return false; 11282 } 11283 11284 if (pkg != null && pkg.applicationInfo != null) { 11285 final int appId = pkg.applicationInfo.uid; 11286 removeKeystoreDataIfNeeded(userId, appId); 11287 } 11288 11289 // Create a native library symlink only if we have native libraries 11290 // and if the native libraries are 32 bit libraries. We do not provide 11291 // this symlink for 64 bit libraries. 11292 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11293 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11294 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11295 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11296 Slog.w(TAG, "Failed linking native library dir"); 11297 return false; 11298 } 11299 } 11300 11301 return true; 11302 } 11303 11304 /** 11305 * Remove entries from the keystore daemon. Will only remove it if the 11306 * {@code appId} is valid. 11307 */ 11308 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11309 if (appId < 0) { 11310 return; 11311 } 11312 11313 final KeyStore keyStore = KeyStore.getInstance(); 11314 if (keyStore != null) { 11315 if (userId == UserHandle.USER_ALL) { 11316 for (final int individual : sUserManager.getUserIds()) { 11317 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11318 } 11319 } else { 11320 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11321 } 11322 } else { 11323 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11324 } 11325 } 11326 11327 @Override 11328 public void deleteApplicationCacheFiles(final String packageName, 11329 final IPackageDataObserver observer) { 11330 mContext.enforceCallingOrSelfPermission( 11331 android.Manifest.permission.DELETE_CACHE_FILES, null); 11332 // Queue up an async operation since the package deletion may take a little while. 11333 final int userId = UserHandle.getCallingUserId(); 11334 mHandler.post(new Runnable() { 11335 public void run() { 11336 mHandler.removeCallbacks(this); 11337 final boolean succeded; 11338 synchronized (mInstallLock) { 11339 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11340 } 11341 clearExternalStorageDataSync(packageName, userId, false); 11342 if(observer != null) { 11343 try { 11344 observer.onRemoveCompleted(packageName, succeded); 11345 } catch (RemoteException e) { 11346 Log.i(TAG, "Observer no longer exists."); 11347 } 11348 } //end if observer 11349 } //end run 11350 }); 11351 } 11352 11353 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11354 if (packageName == null) { 11355 Slog.w(TAG, "Attempt to delete null packageName."); 11356 return false; 11357 } 11358 PackageParser.Package p; 11359 synchronized (mPackages) { 11360 p = mPackages.get(packageName); 11361 } 11362 if (p == null) { 11363 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11364 return false; 11365 } 11366 final ApplicationInfo applicationInfo = p.applicationInfo; 11367 if (applicationInfo == null) { 11368 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11369 return false; 11370 } 11371 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11372 if (retCode < 0) { 11373 Slog.w(TAG, "Couldn't remove cache files for package: " 11374 + packageName + " u" + userId); 11375 return false; 11376 } 11377 return true; 11378 } 11379 11380 @Override 11381 public void getPackageSizeInfo(final String packageName, int userHandle, 11382 final IPackageStatsObserver observer) { 11383 mContext.enforceCallingOrSelfPermission( 11384 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11385 if (packageName == null) { 11386 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11387 } 11388 11389 PackageStats stats = new PackageStats(packageName, userHandle); 11390 11391 /* 11392 * Queue up an async operation since the package measurement may take a 11393 * little while. 11394 */ 11395 Message msg = mHandler.obtainMessage(INIT_COPY); 11396 msg.obj = new MeasureParams(stats, observer); 11397 mHandler.sendMessage(msg); 11398 } 11399 11400 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11401 PackageStats pStats) { 11402 if (packageName == null) { 11403 Slog.w(TAG, "Attempt to get size of null packageName."); 11404 return false; 11405 } 11406 PackageParser.Package p; 11407 boolean dataOnly = false; 11408 String libDirRoot = null; 11409 String asecPath = null; 11410 PackageSetting ps = null; 11411 synchronized (mPackages) { 11412 p = mPackages.get(packageName); 11413 ps = mSettings.mPackages.get(packageName); 11414 if(p == null) { 11415 dataOnly = true; 11416 if((ps == null) || (ps.pkg == null)) { 11417 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11418 return false; 11419 } 11420 p = ps.pkg; 11421 } 11422 if (ps != null) { 11423 libDirRoot = ps.legacyNativeLibraryPathString; 11424 } 11425 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11426 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11427 if (secureContainerId != null) { 11428 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11429 } 11430 } 11431 } 11432 String publicSrcDir = null; 11433 if(!dataOnly) { 11434 final ApplicationInfo applicationInfo = p.applicationInfo; 11435 if (applicationInfo == null) { 11436 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11437 return false; 11438 } 11439 if (isForwardLocked(p)) { 11440 publicSrcDir = applicationInfo.getBaseResourcePath(); 11441 } 11442 } 11443 // TODO: extend to measure size of split APKs 11444 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11445 // not just the first level. 11446 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11447 // just the primary. 11448 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11449 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11450 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11451 if (res < 0) { 11452 return false; 11453 } 11454 11455 // Fix-up for forward-locked applications in ASEC containers. 11456 if (!isExternal(p)) { 11457 pStats.codeSize += pStats.externalCodeSize; 11458 pStats.externalCodeSize = 0L; 11459 } 11460 11461 return true; 11462 } 11463 11464 11465 @Override 11466 public void addPackageToPreferred(String packageName) { 11467 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11468 } 11469 11470 @Override 11471 public void removePackageFromPreferred(String packageName) { 11472 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11473 } 11474 11475 @Override 11476 public List<PackageInfo> getPreferredPackages(int flags) { 11477 return new ArrayList<PackageInfo>(); 11478 } 11479 11480 private int getUidTargetSdkVersionLockedLPr(int uid) { 11481 Object obj = mSettings.getUserIdLPr(uid); 11482 if (obj instanceof SharedUserSetting) { 11483 final SharedUserSetting sus = (SharedUserSetting) obj; 11484 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11485 final Iterator<PackageSetting> it = sus.packages.iterator(); 11486 while (it.hasNext()) { 11487 final PackageSetting ps = it.next(); 11488 if (ps.pkg != null) { 11489 int v = ps.pkg.applicationInfo.targetSdkVersion; 11490 if (v < vers) vers = v; 11491 } 11492 } 11493 return vers; 11494 } else if (obj instanceof PackageSetting) { 11495 final PackageSetting ps = (PackageSetting) obj; 11496 if (ps.pkg != null) { 11497 return ps.pkg.applicationInfo.targetSdkVersion; 11498 } 11499 } 11500 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11501 } 11502 11503 @Override 11504 public void addPreferredActivity(IntentFilter filter, int match, 11505 ComponentName[] set, ComponentName activity, int userId) { 11506 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11507 "Adding preferred"); 11508 } 11509 11510 private void addPreferredActivityInternal(IntentFilter filter, int match, 11511 ComponentName[] set, ComponentName activity, boolean always, int userId, 11512 String opname) { 11513 // writer 11514 int callingUid = Binder.getCallingUid(); 11515 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11516 if (filter.countActions() == 0) { 11517 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11518 return; 11519 } 11520 synchronized (mPackages) { 11521 if (mContext.checkCallingOrSelfPermission( 11522 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11523 != PackageManager.PERMISSION_GRANTED) { 11524 if (getUidTargetSdkVersionLockedLPr(callingUid) 11525 < Build.VERSION_CODES.FROYO) { 11526 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11527 + callingUid); 11528 return; 11529 } 11530 mContext.enforceCallingOrSelfPermission( 11531 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11532 } 11533 11534 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11535 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11536 + userId + ":"); 11537 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11538 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11539 mSettings.writePackageRestrictionsLPr(userId); 11540 } 11541 } 11542 11543 @Override 11544 public void replacePreferredActivity(IntentFilter filter, int match, 11545 ComponentName[] set, ComponentName activity, int userId) { 11546 if (filter.countActions() != 1) { 11547 throw new IllegalArgumentException( 11548 "replacePreferredActivity expects filter to have only 1 action."); 11549 } 11550 if (filter.countDataAuthorities() != 0 11551 || filter.countDataPaths() != 0 11552 || filter.countDataSchemes() > 1 11553 || filter.countDataTypes() != 0) { 11554 throw new IllegalArgumentException( 11555 "replacePreferredActivity expects filter to have no data authorities, " + 11556 "paths, or types; and at most one scheme."); 11557 } 11558 11559 final int callingUid = Binder.getCallingUid(); 11560 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11561 synchronized (mPackages) { 11562 if (mContext.checkCallingOrSelfPermission( 11563 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11564 != PackageManager.PERMISSION_GRANTED) { 11565 if (getUidTargetSdkVersionLockedLPr(callingUid) 11566 < Build.VERSION_CODES.FROYO) { 11567 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11568 + Binder.getCallingUid()); 11569 return; 11570 } 11571 mContext.enforceCallingOrSelfPermission( 11572 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11573 } 11574 11575 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11576 if (pir != null) { 11577 // Get all of the existing entries that exactly match this filter. 11578 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11579 if (existing != null && existing.size() == 1) { 11580 PreferredActivity cur = existing.get(0); 11581 if (DEBUG_PREFERRED) { 11582 Slog.i(TAG, "Checking replace of preferred:"); 11583 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11584 if (!cur.mPref.mAlways) { 11585 Slog.i(TAG, " -- CUR; not mAlways!"); 11586 } else { 11587 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11588 Slog.i(TAG, " -- CUR: mSet=" 11589 + Arrays.toString(cur.mPref.mSetComponents)); 11590 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11591 Slog.i(TAG, " -- NEW: mMatch=" 11592 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11593 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11594 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11595 } 11596 } 11597 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11598 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11599 && cur.mPref.sameSet(set)) { 11600 // Setting the preferred activity to what it happens to be already 11601 if (DEBUG_PREFERRED) { 11602 Slog.i(TAG, "Replacing with same preferred activity " 11603 + cur.mPref.mShortComponent + " for user " 11604 + userId + ":"); 11605 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11606 } 11607 return; 11608 } 11609 } 11610 11611 if (existing != null) { 11612 if (DEBUG_PREFERRED) { 11613 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11614 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11615 } 11616 for (int i = 0; i < existing.size(); i++) { 11617 PreferredActivity pa = existing.get(i); 11618 if (DEBUG_PREFERRED) { 11619 Slog.i(TAG, "Removing existing preferred activity " 11620 + pa.mPref.mComponent + ":"); 11621 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11622 } 11623 pir.removeFilter(pa); 11624 } 11625 } 11626 } 11627 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11628 "Replacing preferred"); 11629 } 11630 } 11631 11632 @Override 11633 public void clearPackagePreferredActivities(String packageName) { 11634 final int uid = Binder.getCallingUid(); 11635 // writer 11636 synchronized (mPackages) { 11637 PackageParser.Package pkg = mPackages.get(packageName); 11638 if (pkg == null || pkg.applicationInfo.uid != uid) { 11639 if (mContext.checkCallingOrSelfPermission( 11640 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11641 != PackageManager.PERMISSION_GRANTED) { 11642 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11643 < Build.VERSION_CODES.FROYO) { 11644 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11645 + Binder.getCallingUid()); 11646 return; 11647 } 11648 mContext.enforceCallingOrSelfPermission( 11649 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11650 } 11651 } 11652 11653 int user = UserHandle.getCallingUserId(); 11654 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11655 mSettings.writePackageRestrictionsLPr(user); 11656 scheduleWriteSettingsLocked(); 11657 } 11658 } 11659 } 11660 11661 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11662 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11663 ArrayList<PreferredActivity> removed = null; 11664 boolean changed = false; 11665 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11666 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11667 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11668 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11669 continue; 11670 } 11671 Iterator<PreferredActivity> it = pir.filterIterator(); 11672 while (it.hasNext()) { 11673 PreferredActivity pa = it.next(); 11674 // Mark entry for removal only if it matches the package name 11675 // and the entry is of type "always". 11676 if (packageName == null || 11677 (pa.mPref.mComponent.getPackageName().equals(packageName) 11678 && pa.mPref.mAlways)) { 11679 if (removed == null) { 11680 removed = new ArrayList<PreferredActivity>(); 11681 } 11682 removed.add(pa); 11683 } 11684 } 11685 if (removed != null) { 11686 for (int j=0; j<removed.size(); j++) { 11687 PreferredActivity pa = removed.get(j); 11688 pir.removeFilter(pa); 11689 } 11690 changed = true; 11691 } 11692 } 11693 return changed; 11694 } 11695 11696 @Override 11697 public void resetPreferredActivities(int userId) { 11698 /* TODO: Actually use userId. Why is it being passed in? */ 11699 mContext.enforceCallingOrSelfPermission( 11700 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11701 // writer 11702 synchronized (mPackages) { 11703 int user = UserHandle.getCallingUserId(); 11704 clearPackagePreferredActivitiesLPw(null, user); 11705 mSettings.readDefaultPreferredAppsLPw(this, user); 11706 mSettings.writePackageRestrictionsLPr(user); 11707 scheduleWriteSettingsLocked(); 11708 } 11709 } 11710 11711 @Override 11712 public int getPreferredActivities(List<IntentFilter> outFilters, 11713 List<ComponentName> outActivities, String packageName) { 11714 11715 int num = 0; 11716 final int userId = UserHandle.getCallingUserId(); 11717 // reader 11718 synchronized (mPackages) { 11719 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11720 if (pir != null) { 11721 final Iterator<PreferredActivity> it = pir.filterIterator(); 11722 while (it.hasNext()) { 11723 final PreferredActivity pa = it.next(); 11724 if (packageName == null 11725 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11726 && pa.mPref.mAlways)) { 11727 if (outFilters != null) { 11728 outFilters.add(new IntentFilter(pa)); 11729 } 11730 if (outActivities != null) { 11731 outActivities.add(pa.mPref.mComponent); 11732 } 11733 } 11734 } 11735 } 11736 } 11737 11738 return num; 11739 } 11740 11741 @Override 11742 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11743 int userId) { 11744 int callingUid = Binder.getCallingUid(); 11745 if (callingUid != Process.SYSTEM_UID) { 11746 throw new SecurityException( 11747 "addPersistentPreferredActivity can only be run by the system"); 11748 } 11749 if (filter.countActions() == 0) { 11750 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11751 return; 11752 } 11753 synchronized (mPackages) { 11754 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11755 " :"); 11756 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11757 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11758 new PersistentPreferredActivity(filter, activity)); 11759 mSettings.writePackageRestrictionsLPr(userId); 11760 } 11761 } 11762 11763 @Override 11764 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11765 int callingUid = Binder.getCallingUid(); 11766 if (callingUid != Process.SYSTEM_UID) { 11767 throw new SecurityException( 11768 "clearPackagePersistentPreferredActivities can only be run by the system"); 11769 } 11770 ArrayList<PersistentPreferredActivity> removed = null; 11771 boolean changed = false; 11772 synchronized (mPackages) { 11773 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11774 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11775 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11776 .valueAt(i); 11777 if (userId != thisUserId) { 11778 continue; 11779 } 11780 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11781 while (it.hasNext()) { 11782 PersistentPreferredActivity ppa = it.next(); 11783 // Mark entry for removal only if it matches the package name. 11784 if (ppa.mComponent.getPackageName().equals(packageName)) { 11785 if (removed == null) { 11786 removed = new ArrayList<PersistentPreferredActivity>(); 11787 } 11788 removed.add(ppa); 11789 } 11790 } 11791 if (removed != null) { 11792 for (int j=0; j<removed.size(); j++) { 11793 PersistentPreferredActivity ppa = removed.get(j); 11794 ppir.removeFilter(ppa); 11795 } 11796 changed = true; 11797 } 11798 } 11799 11800 if (changed) { 11801 mSettings.writePackageRestrictionsLPr(userId); 11802 } 11803 } 11804 } 11805 11806 @Override 11807 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11808 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11809 mContext.enforceCallingOrSelfPermission( 11810 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11811 int callingUid = Binder.getCallingUid(); 11812 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11813 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11814 if (intentFilter.countActions() == 0) { 11815 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11816 return; 11817 } 11818 synchronized (mPackages) { 11819 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11820 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11821 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11822 mSettings.writePackageRestrictionsLPr(sourceUserId); 11823 } 11824 } 11825 11826 @Override 11827 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11828 int ownerUserId) { 11829 mContext.enforceCallingOrSelfPermission( 11830 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11831 int callingUid = Binder.getCallingUid(); 11832 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11833 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11834 int callingUserId = UserHandle.getUserId(callingUid); 11835 synchronized (mPackages) { 11836 CrossProfileIntentResolver resolver = 11837 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11838 HashSet<CrossProfileIntentFilter> set = 11839 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11840 for (CrossProfileIntentFilter filter : set) { 11841 if (filter.getOwnerPackage().equals(ownerPackage) 11842 && filter.getOwnerUserId() == callingUserId) { 11843 resolver.removeFilter(filter); 11844 } 11845 } 11846 mSettings.writePackageRestrictionsLPr(sourceUserId); 11847 } 11848 } 11849 11850 // Enforcing that callingUid is owning pkg on userId 11851 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11852 // The system owns everything. 11853 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11854 return; 11855 } 11856 int callingUserId = UserHandle.getUserId(callingUid); 11857 if (callingUserId != userId) { 11858 throw new SecurityException("calling uid " + callingUid 11859 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11860 + callingUserId); 11861 } 11862 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11863 if (pi == null) { 11864 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11865 + callingUserId); 11866 } 11867 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11868 throw new SecurityException("Calling uid " + callingUid 11869 + " does not own package " + pkg); 11870 } 11871 } 11872 11873 @Override 11874 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11875 Intent intent = new Intent(Intent.ACTION_MAIN); 11876 intent.addCategory(Intent.CATEGORY_HOME); 11877 11878 final int callingUserId = UserHandle.getCallingUserId(); 11879 List<ResolveInfo> list = queryIntentActivities(intent, null, 11880 PackageManager.GET_META_DATA, callingUserId); 11881 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11882 true, false, false, callingUserId); 11883 11884 allHomeCandidates.clear(); 11885 if (list != null) { 11886 for (ResolveInfo ri : list) { 11887 allHomeCandidates.add(ri); 11888 } 11889 } 11890 return (preferred == null || preferred.activityInfo == null) 11891 ? null 11892 : new ComponentName(preferred.activityInfo.packageName, 11893 preferred.activityInfo.name); 11894 } 11895 11896 @Override 11897 public void setApplicationEnabledSetting(String appPackageName, 11898 int newState, int flags, int userId, String callingPackage) { 11899 if (!sUserManager.exists(userId)) return; 11900 if (callingPackage == null) { 11901 callingPackage = Integer.toString(Binder.getCallingUid()); 11902 } 11903 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11904 } 11905 11906 @Override 11907 public void setComponentEnabledSetting(ComponentName componentName, 11908 int newState, int flags, int userId) { 11909 if (!sUserManager.exists(userId)) return; 11910 setEnabledSetting(componentName.getPackageName(), 11911 componentName.getClassName(), newState, flags, userId, null); 11912 } 11913 11914 private void setEnabledSetting(final String packageName, String className, int newState, 11915 final int flags, int userId, String callingPackage) { 11916 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11917 || newState == COMPONENT_ENABLED_STATE_ENABLED 11918 || newState == COMPONENT_ENABLED_STATE_DISABLED 11919 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11920 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11921 throw new IllegalArgumentException("Invalid new component state: " 11922 + newState); 11923 } 11924 PackageSetting pkgSetting; 11925 final int uid = Binder.getCallingUid(); 11926 final int permission = mContext.checkCallingOrSelfPermission( 11927 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11928 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11929 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11930 boolean sendNow = false; 11931 boolean isApp = (className == null); 11932 String componentName = isApp ? packageName : className; 11933 int packageUid = -1; 11934 ArrayList<String> components; 11935 11936 // writer 11937 synchronized (mPackages) { 11938 pkgSetting = mSettings.mPackages.get(packageName); 11939 if (pkgSetting == null) { 11940 if (className == null) { 11941 throw new IllegalArgumentException( 11942 "Unknown package: " + packageName); 11943 } 11944 throw new IllegalArgumentException( 11945 "Unknown component: " + packageName 11946 + "/" + className); 11947 } 11948 // Allow root and verify that userId is not being specified by a different user 11949 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11950 throw new SecurityException( 11951 "Permission Denial: attempt to change component state from pid=" 11952 + Binder.getCallingPid() 11953 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11954 } 11955 if (className == null) { 11956 // We're dealing with an application/package level state change 11957 if (pkgSetting.getEnabled(userId) == newState) { 11958 // Nothing to do 11959 return; 11960 } 11961 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11962 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11963 // Don't care about who enables an app. 11964 callingPackage = null; 11965 } 11966 pkgSetting.setEnabled(newState, userId, callingPackage); 11967 // pkgSetting.pkg.mSetEnabled = newState; 11968 } else { 11969 // We're dealing with a component level state change 11970 // First, verify that this is a valid class name. 11971 PackageParser.Package pkg = pkgSetting.pkg; 11972 if (pkg == null || !pkg.hasComponentClassName(className)) { 11973 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11974 throw new IllegalArgumentException("Component class " + className 11975 + " does not exist in " + packageName); 11976 } else { 11977 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11978 + className + " does not exist in " + packageName); 11979 } 11980 } 11981 switch (newState) { 11982 case COMPONENT_ENABLED_STATE_ENABLED: 11983 if (!pkgSetting.enableComponentLPw(className, userId)) { 11984 return; 11985 } 11986 break; 11987 case COMPONENT_ENABLED_STATE_DISABLED: 11988 if (!pkgSetting.disableComponentLPw(className, userId)) { 11989 return; 11990 } 11991 break; 11992 case COMPONENT_ENABLED_STATE_DEFAULT: 11993 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11994 return; 11995 } 11996 break; 11997 default: 11998 Slog.e(TAG, "Invalid new component state: " + newState); 11999 return; 12000 } 12001 } 12002 mSettings.writePackageRestrictionsLPr(userId); 12003 components = mPendingBroadcasts.get(userId, packageName); 12004 final boolean newPackage = components == null; 12005 if (newPackage) { 12006 components = new ArrayList<String>(); 12007 } 12008 if (!components.contains(componentName)) { 12009 components.add(componentName); 12010 } 12011 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12012 sendNow = true; 12013 // Purge entry from pending broadcast list if another one exists already 12014 // since we are sending one right away. 12015 mPendingBroadcasts.remove(userId, packageName); 12016 } else { 12017 if (newPackage) { 12018 mPendingBroadcasts.put(userId, packageName, components); 12019 } 12020 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12021 // Schedule a message 12022 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12023 } 12024 } 12025 } 12026 12027 long callingId = Binder.clearCallingIdentity(); 12028 try { 12029 if (sendNow) { 12030 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12031 sendPackageChangedBroadcast(packageName, 12032 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12033 } 12034 } finally { 12035 Binder.restoreCallingIdentity(callingId); 12036 } 12037 } 12038 12039 private void sendPackageChangedBroadcast(String packageName, 12040 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12041 if (DEBUG_INSTALL) 12042 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12043 + componentNames); 12044 Bundle extras = new Bundle(4); 12045 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12046 String nameList[] = new String[componentNames.size()]; 12047 componentNames.toArray(nameList); 12048 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12049 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12050 extras.putInt(Intent.EXTRA_UID, packageUid); 12051 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12052 new int[] {UserHandle.getUserId(packageUid)}); 12053 } 12054 12055 @Override 12056 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12057 if (!sUserManager.exists(userId)) return; 12058 final int uid = Binder.getCallingUid(); 12059 final int permission = mContext.checkCallingOrSelfPermission( 12060 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12061 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12062 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12063 // writer 12064 synchronized (mPackages) { 12065 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12066 uid, userId)) { 12067 scheduleWritePackageRestrictionsLocked(userId); 12068 } 12069 } 12070 } 12071 12072 @Override 12073 public String getInstallerPackageName(String packageName) { 12074 // reader 12075 synchronized (mPackages) { 12076 return mSettings.getInstallerPackageNameLPr(packageName); 12077 } 12078 } 12079 12080 @Override 12081 public int getApplicationEnabledSetting(String packageName, int userId) { 12082 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12083 int uid = Binder.getCallingUid(); 12084 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12085 // reader 12086 synchronized (mPackages) { 12087 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12088 } 12089 } 12090 12091 @Override 12092 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12093 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12094 int uid = Binder.getCallingUid(); 12095 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12096 // reader 12097 synchronized (mPackages) { 12098 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12099 } 12100 } 12101 12102 @Override 12103 public void enterSafeMode() { 12104 enforceSystemOrRoot("Only the system can request entering safe mode"); 12105 12106 if (!mSystemReady) { 12107 mSafeMode = true; 12108 } 12109 } 12110 12111 @Override 12112 public void systemReady() { 12113 mSystemReady = true; 12114 12115 // Read the compatibilty setting when the system is ready. 12116 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12117 mContext.getContentResolver(), 12118 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12119 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12120 if (DEBUG_SETTINGS) { 12121 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12122 } 12123 12124 synchronized (mPackages) { 12125 // Verify that all of the preferred activity components actually 12126 // exist. It is possible for applications to be updated and at 12127 // that point remove a previously declared activity component that 12128 // had been set as a preferred activity. We try to clean this up 12129 // the next time we encounter that preferred activity, but it is 12130 // possible for the user flow to never be able to return to that 12131 // situation so here we do a sanity check to make sure we haven't 12132 // left any junk around. 12133 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12134 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12135 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12136 removed.clear(); 12137 for (PreferredActivity pa : pir.filterSet()) { 12138 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12139 removed.add(pa); 12140 } 12141 } 12142 if (removed.size() > 0) { 12143 for (int r=0; r<removed.size(); r++) { 12144 PreferredActivity pa = removed.get(r); 12145 Slog.w(TAG, "Removing dangling preferred activity: " 12146 + pa.mPref.mComponent); 12147 pir.removeFilter(pa); 12148 } 12149 mSettings.writePackageRestrictionsLPr( 12150 mSettings.mPreferredActivities.keyAt(i)); 12151 } 12152 } 12153 } 12154 sUserManager.systemReady(); 12155 12156 // Kick off any messages waiting for system ready 12157 if (mPostSystemReadyMessages != null) { 12158 for (Message msg : mPostSystemReadyMessages) { 12159 msg.sendToTarget(); 12160 } 12161 mPostSystemReadyMessages = null; 12162 } 12163 } 12164 12165 @Override 12166 public boolean isSafeMode() { 12167 return mSafeMode; 12168 } 12169 12170 @Override 12171 public boolean hasSystemUidErrors() { 12172 return mHasSystemUidErrors; 12173 } 12174 12175 static String arrayToString(int[] array) { 12176 StringBuffer buf = new StringBuffer(128); 12177 buf.append('['); 12178 if (array != null) { 12179 for (int i=0; i<array.length; i++) { 12180 if (i > 0) buf.append(", "); 12181 buf.append(array[i]); 12182 } 12183 } 12184 buf.append(']'); 12185 return buf.toString(); 12186 } 12187 12188 static class DumpState { 12189 public static final int DUMP_LIBS = 1 << 0; 12190 public static final int DUMP_FEATURES = 1 << 1; 12191 public static final int DUMP_RESOLVERS = 1 << 2; 12192 public static final int DUMP_PERMISSIONS = 1 << 3; 12193 public static final int DUMP_PACKAGES = 1 << 4; 12194 public static final int DUMP_SHARED_USERS = 1 << 5; 12195 public static final int DUMP_MESSAGES = 1 << 6; 12196 public static final int DUMP_PROVIDERS = 1 << 7; 12197 public static final int DUMP_VERIFIERS = 1 << 8; 12198 public static final int DUMP_PREFERRED = 1 << 9; 12199 public static final int DUMP_PREFERRED_XML = 1 << 10; 12200 public static final int DUMP_KEYSETS = 1 << 11; 12201 public static final int DUMP_VERSION = 1 << 12; 12202 public static final int DUMP_INSTALLS = 1 << 13; 12203 12204 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12205 12206 private int mTypes; 12207 12208 private int mOptions; 12209 12210 private boolean mTitlePrinted; 12211 12212 private SharedUserSetting mSharedUser; 12213 12214 public boolean isDumping(int type) { 12215 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12216 return true; 12217 } 12218 12219 return (mTypes & type) != 0; 12220 } 12221 12222 public void setDump(int type) { 12223 mTypes |= type; 12224 } 12225 12226 public boolean isOptionEnabled(int option) { 12227 return (mOptions & option) != 0; 12228 } 12229 12230 public void setOptionEnabled(int option) { 12231 mOptions |= option; 12232 } 12233 12234 public boolean onTitlePrinted() { 12235 final boolean printed = mTitlePrinted; 12236 mTitlePrinted = true; 12237 return printed; 12238 } 12239 12240 public boolean getTitlePrinted() { 12241 return mTitlePrinted; 12242 } 12243 12244 public void setTitlePrinted(boolean enabled) { 12245 mTitlePrinted = enabled; 12246 } 12247 12248 public SharedUserSetting getSharedUser() { 12249 return mSharedUser; 12250 } 12251 12252 public void setSharedUser(SharedUserSetting user) { 12253 mSharedUser = user; 12254 } 12255 } 12256 12257 @Override 12258 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12259 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12260 != PackageManager.PERMISSION_GRANTED) { 12261 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12262 + Binder.getCallingPid() 12263 + ", uid=" + Binder.getCallingUid() 12264 + " without permission " 12265 + android.Manifest.permission.DUMP); 12266 return; 12267 } 12268 12269 DumpState dumpState = new DumpState(); 12270 boolean fullPreferred = false; 12271 boolean checkin = false; 12272 12273 String packageName = null; 12274 12275 int opti = 0; 12276 while (opti < args.length) { 12277 String opt = args[opti]; 12278 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12279 break; 12280 } 12281 opti++; 12282 12283 if ("-a".equals(opt)) { 12284 // Right now we only know how to print all. 12285 } else if ("-h".equals(opt)) { 12286 pw.println("Package manager dump options:"); 12287 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12288 pw.println(" --checkin: dump for a checkin"); 12289 pw.println(" -f: print details of intent filters"); 12290 pw.println(" -h: print this help"); 12291 pw.println(" cmd may be one of:"); 12292 pw.println(" l[ibraries]: list known shared libraries"); 12293 pw.println(" f[ibraries]: list device features"); 12294 pw.println(" k[eysets]: print known keysets"); 12295 pw.println(" r[esolvers]: dump intent resolvers"); 12296 pw.println(" perm[issions]: dump permissions"); 12297 pw.println(" pref[erred]: print preferred package settings"); 12298 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12299 pw.println(" prov[iders]: dump content providers"); 12300 pw.println(" p[ackages]: dump installed packages"); 12301 pw.println(" s[hared-users]: dump shared user IDs"); 12302 pw.println(" m[essages]: print collected runtime messages"); 12303 pw.println(" v[erifiers]: print package verifier info"); 12304 pw.println(" version: print database version info"); 12305 pw.println(" write: write current settings now"); 12306 pw.println(" <package.name>: info about given package"); 12307 pw.println(" installs: details about install sessions"); 12308 return; 12309 } else if ("--checkin".equals(opt)) { 12310 checkin = true; 12311 } else if ("-f".equals(opt)) { 12312 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12313 } else { 12314 pw.println("Unknown argument: " + opt + "; use -h for help"); 12315 } 12316 } 12317 12318 // Is the caller requesting to dump a particular piece of data? 12319 if (opti < args.length) { 12320 String cmd = args[opti]; 12321 opti++; 12322 // Is this a package name? 12323 if ("android".equals(cmd) || cmd.contains(".")) { 12324 packageName = cmd; 12325 // When dumping a single package, we always dump all of its 12326 // filter information since the amount of data will be reasonable. 12327 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12328 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12329 dumpState.setDump(DumpState.DUMP_LIBS); 12330 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12331 dumpState.setDump(DumpState.DUMP_FEATURES); 12332 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12333 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12334 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12335 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12336 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12337 dumpState.setDump(DumpState.DUMP_PREFERRED); 12338 } else if ("preferred-xml".equals(cmd)) { 12339 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12340 if (opti < args.length && "--full".equals(args[opti])) { 12341 fullPreferred = true; 12342 opti++; 12343 } 12344 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12345 dumpState.setDump(DumpState.DUMP_PACKAGES); 12346 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12347 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12348 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12349 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12350 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12351 dumpState.setDump(DumpState.DUMP_MESSAGES); 12352 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12353 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12354 } else if ("version".equals(cmd)) { 12355 dumpState.setDump(DumpState.DUMP_VERSION); 12356 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12357 dumpState.setDump(DumpState.DUMP_KEYSETS); 12358 } else if ("installs".equals(cmd)) { 12359 dumpState.setDump(DumpState.DUMP_INSTALLS); 12360 } else if ("write".equals(cmd)) { 12361 synchronized (mPackages) { 12362 mSettings.writeLPr(); 12363 pw.println("Settings written."); 12364 return; 12365 } 12366 } 12367 } 12368 12369 if (checkin) { 12370 pw.println("vers,1"); 12371 } 12372 12373 // reader 12374 synchronized (mPackages) { 12375 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12376 if (!checkin) { 12377 if (dumpState.onTitlePrinted()) 12378 pw.println(); 12379 pw.println("Database versions:"); 12380 pw.print(" SDK Version:"); 12381 pw.print(" internal="); 12382 pw.print(mSettings.mInternalSdkPlatform); 12383 pw.print(" external="); 12384 pw.println(mSettings.mExternalSdkPlatform); 12385 pw.print(" DB Version:"); 12386 pw.print(" internal="); 12387 pw.print(mSettings.mInternalDatabaseVersion); 12388 pw.print(" external="); 12389 pw.println(mSettings.mExternalDatabaseVersion); 12390 } 12391 } 12392 12393 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12394 if (!checkin) { 12395 if (dumpState.onTitlePrinted()) 12396 pw.println(); 12397 pw.println("Verifiers:"); 12398 pw.print(" Required: "); 12399 pw.print(mRequiredVerifierPackage); 12400 pw.print(" (uid="); 12401 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12402 pw.println(")"); 12403 } else if (mRequiredVerifierPackage != null) { 12404 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12405 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12406 } 12407 } 12408 12409 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12410 boolean printedHeader = false; 12411 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12412 while (it.hasNext()) { 12413 String name = it.next(); 12414 SharedLibraryEntry ent = mSharedLibraries.get(name); 12415 if (!checkin) { 12416 if (!printedHeader) { 12417 if (dumpState.onTitlePrinted()) 12418 pw.println(); 12419 pw.println("Libraries:"); 12420 printedHeader = true; 12421 } 12422 pw.print(" "); 12423 } else { 12424 pw.print("lib,"); 12425 } 12426 pw.print(name); 12427 if (!checkin) { 12428 pw.print(" -> "); 12429 } 12430 if (ent.path != null) { 12431 if (!checkin) { 12432 pw.print("(jar) "); 12433 pw.print(ent.path); 12434 } else { 12435 pw.print(",jar,"); 12436 pw.print(ent.path); 12437 } 12438 } else { 12439 if (!checkin) { 12440 pw.print("(apk) "); 12441 pw.print(ent.apk); 12442 } else { 12443 pw.print(",apk,"); 12444 pw.print(ent.apk); 12445 } 12446 } 12447 pw.println(); 12448 } 12449 } 12450 12451 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12452 if (dumpState.onTitlePrinted()) 12453 pw.println(); 12454 if (!checkin) { 12455 pw.println("Features:"); 12456 } 12457 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12458 while (it.hasNext()) { 12459 String name = it.next(); 12460 if (!checkin) { 12461 pw.print(" "); 12462 } else { 12463 pw.print("feat,"); 12464 } 12465 pw.println(name); 12466 } 12467 } 12468 12469 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12470 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12471 : "Activity Resolver Table:", " ", packageName, 12472 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12473 dumpState.setTitlePrinted(true); 12474 } 12475 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12476 : "Receiver Resolver Table:", " ", packageName, 12477 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12478 dumpState.setTitlePrinted(true); 12479 } 12480 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12481 : "Service Resolver Table:", " ", packageName, 12482 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12483 dumpState.setTitlePrinted(true); 12484 } 12485 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12486 : "Provider Resolver Table:", " ", packageName, 12487 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12488 dumpState.setTitlePrinted(true); 12489 } 12490 } 12491 12492 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12493 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12494 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12495 int user = mSettings.mPreferredActivities.keyAt(i); 12496 if (pir.dump(pw, 12497 dumpState.getTitlePrinted() 12498 ? "\nPreferred Activities User " + user + ":" 12499 : "Preferred Activities User " + user + ":", " ", 12500 packageName, true)) { 12501 dumpState.setTitlePrinted(true); 12502 } 12503 } 12504 } 12505 12506 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12507 pw.flush(); 12508 FileOutputStream fout = new FileOutputStream(fd); 12509 BufferedOutputStream str = new BufferedOutputStream(fout); 12510 XmlSerializer serializer = new FastXmlSerializer(); 12511 try { 12512 serializer.setOutput(str, "utf-8"); 12513 serializer.startDocument(null, true); 12514 serializer.setFeature( 12515 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12516 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12517 serializer.endDocument(); 12518 serializer.flush(); 12519 } catch (IllegalArgumentException e) { 12520 pw.println("Failed writing: " + e); 12521 } catch (IllegalStateException e) { 12522 pw.println("Failed writing: " + e); 12523 } catch (IOException e) { 12524 pw.println("Failed writing: " + e); 12525 } 12526 } 12527 12528 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12529 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12530 if (packageName == null) { 12531 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12532 if (iperm == 0) { 12533 if (dumpState.onTitlePrinted()) 12534 pw.println(); 12535 pw.println("AppOp Permissions:"); 12536 } 12537 pw.print(" AppOp Permission "); 12538 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12539 pw.println(":"); 12540 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12541 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12542 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12543 } 12544 } 12545 } 12546 } 12547 12548 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12549 boolean printedSomething = false; 12550 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12551 if (packageName != null && !packageName.equals(p.info.packageName)) { 12552 continue; 12553 } 12554 if (!printedSomething) { 12555 if (dumpState.onTitlePrinted()) 12556 pw.println(); 12557 pw.println("Registered ContentProviders:"); 12558 printedSomething = true; 12559 } 12560 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12561 pw.print(" "); pw.println(p.toString()); 12562 } 12563 printedSomething = false; 12564 for (Map.Entry<String, PackageParser.Provider> entry : 12565 mProvidersByAuthority.entrySet()) { 12566 PackageParser.Provider p = entry.getValue(); 12567 if (packageName != null && !packageName.equals(p.info.packageName)) { 12568 continue; 12569 } 12570 if (!printedSomething) { 12571 if (dumpState.onTitlePrinted()) 12572 pw.println(); 12573 pw.println("ContentProvider Authorities:"); 12574 printedSomething = true; 12575 } 12576 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12577 pw.print(" "); pw.println(p.toString()); 12578 if (p.info != null && p.info.applicationInfo != null) { 12579 final String appInfo = p.info.applicationInfo.toString(); 12580 pw.print(" applicationInfo="); pw.println(appInfo); 12581 } 12582 } 12583 } 12584 12585 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12586 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12587 } 12588 12589 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12590 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12591 } 12592 12593 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12594 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12595 } 12596 12597 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12598 // XXX should handle packageName != null by dumping only install data that 12599 // the given package is involved with. 12600 if (dumpState.onTitlePrinted()) pw.println(); 12601 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12602 } 12603 12604 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12605 if (dumpState.onTitlePrinted()) pw.println(); 12606 mSettings.dumpReadMessagesLPr(pw, dumpState); 12607 12608 pw.println(); 12609 pw.println("Package warning messages:"); 12610 final File fname = getSettingsProblemFile(); 12611 FileInputStream in = null; 12612 try { 12613 in = new FileInputStream(fname); 12614 final int avail = in.available(); 12615 final byte[] data = new byte[avail]; 12616 in.read(data); 12617 pw.print(new String(data)); 12618 } catch (FileNotFoundException e) { 12619 } catch (IOException e) { 12620 } finally { 12621 if (in != null) { 12622 try { 12623 in.close(); 12624 } catch (IOException e) { 12625 } 12626 } 12627 } 12628 } 12629 12630 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12631 BufferedReader in = null; 12632 String line = null; 12633 try { 12634 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12635 while ((line = in.readLine()) != null) { 12636 pw.print("msg,"); 12637 pw.println(line); 12638 } 12639 } catch (IOException ignored) { 12640 } finally { 12641 IoUtils.closeQuietly(in); 12642 } 12643 } 12644 } 12645 } 12646 12647 // ------- apps on sdcard specific code ------- 12648 static final boolean DEBUG_SD_INSTALL = false; 12649 12650 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12651 12652 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12653 12654 private boolean mMediaMounted = false; 12655 12656 static String getEncryptKey() { 12657 try { 12658 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12659 SD_ENCRYPTION_KEYSTORE_NAME); 12660 if (sdEncKey == null) { 12661 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12662 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12663 if (sdEncKey == null) { 12664 Slog.e(TAG, "Failed to create encryption keys"); 12665 return null; 12666 } 12667 } 12668 return sdEncKey; 12669 } catch (NoSuchAlgorithmException nsae) { 12670 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12671 return null; 12672 } catch (IOException ioe) { 12673 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12674 return null; 12675 } 12676 } 12677 12678 /* 12679 * Update media status on PackageManager. 12680 */ 12681 @Override 12682 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12683 int callingUid = Binder.getCallingUid(); 12684 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12685 throw new SecurityException("Media status can only be updated by the system"); 12686 } 12687 // reader; this apparently protects mMediaMounted, but should probably 12688 // be a different lock in that case. 12689 synchronized (mPackages) { 12690 Log.i(TAG, "Updating external media status from " 12691 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12692 + (mediaStatus ? "mounted" : "unmounted")); 12693 if (DEBUG_SD_INSTALL) 12694 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12695 + ", mMediaMounted=" + mMediaMounted); 12696 if (mediaStatus == mMediaMounted) { 12697 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12698 : 0, -1); 12699 mHandler.sendMessage(msg); 12700 return; 12701 } 12702 mMediaMounted = mediaStatus; 12703 } 12704 // Queue up an async operation since the package installation may take a 12705 // little while. 12706 mHandler.post(new Runnable() { 12707 public void run() { 12708 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12709 } 12710 }); 12711 } 12712 12713 /** 12714 * Called by MountService when the initial ASECs to scan are available. 12715 * Should block until all the ASEC containers are finished being scanned. 12716 */ 12717 public void scanAvailableAsecs() { 12718 updateExternalMediaStatusInner(true, false, false); 12719 if (mShouldRestoreconData) { 12720 SELinuxMMAC.setRestoreconDone(); 12721 mShouldRestoreconData = false; 12722 } 12723 } 12724 12725 /* 12726 * Collect information of applications on external media, map them against 12727 * existing containers and update information based on current mount status. 12728 * Please note that we always have to report status if reportStatus has been 12729 * set to true especially when unloading packages. 12730 */ 12731 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12732 boolean externalStorage) { 12733 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12734 int[] uidArr = EmptyArray.INT; 12735 12736 final String[] list = PackageHelper.getSecureContainerList(); 12737 if (ArrayUtils.isEmpty(list)) { 12738 Log.i(TAG, "No secure containers found"); 12739 } else { 12740 // Process list of secure containers and categorize them 12741 // as active or stale based on their package internal state. 12742 12743 // reader 12744 synchronized (mPackages) { 12745 for (String cid : list) { 12746 // Leave stages untouched for now; installer service owns them 12747 if (PackageInstallerService.isStageName(cid)) continue; 12748 12749 if (DEBUG_SD_INSTALL) 12750 Log.i(TAG, "Processing container " + cid); 12751 String pkgName = getAsecPackageName(cid); 12752 if (pkgName == null) { 12753 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12754 continue; 12755 } 12756 if (DEBUG_SD_INSTALL) 12757 Log.i(TAG, "Looking for pkg : " + pkgName); 12758 12759 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12760 if (ps == null) { 12761 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12762 continue; 12763 } 12764 12765 /* 12766 * Skip packages that are not external if we're unmounting 12767 * external storage. 12768 */ 12769 if (externalStorage && !isMounted && !isExternal(ps)) { 12770 continue; 12771 } 12772 12773 final AsecInstallArgs args = new AsecInstallArgs(cid, 12774 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12775 // The package status is changed only if the code path 12776 // matches between settings and the container id. 12777 if (ps.codePathString != null 12778 && ps.codePathString.startsWith(args.getCodePath())) { 12779 if (DEBUG_SD_INSTALL) { 12780 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12781 + " at code path: " + ps.codePathString); 12782 } 12783 12784 // We do have a valid package installed on sdcard 12785 processCids.put(args, ps.codePathString); 12786 final int uid = ps.appId; 12787 if (uid != -1) { 12788 uidArr = ArrayUtils.appendInt(uidArr, uid); 12789 } 12790 } else { 12791 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12792 + ps.codePathString); 12793 } 12794 } 12795 } 12796 12797 Arrays.sort(uidArr); 12798 } 12799 12800 // Process packages with valid entries. 12801 if (isMounted) { 12802 if (DEBUG_SD_INSTALL) 12803 Log.i(TAG, "Loading packages"); 12804 loadMediaPackages(processCids, uidArr); 12805 startCleaningPackages(); 12806 mInstallerService.onSecureContainersAvailable(); 12807 } else { 12808 if (DEBUG_SD_INSTALL) 12809 Log.i(TAG, "Unloading packages"); 12810 unloadMediaPackages(processCids, uidArr, reportStatus); 12811 } 12812 } 12813 12814 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12815 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12816 int size = pkgList.size(); 12817 if (size > 0) { 12818 // Send broadcasts here 12819 Bundle extras = new Bundle(); 12820 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12821 .toArray(new String[size])); 12822 if (uidArr != null) { 12823 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12824 } 12825 if (replacing) { 12826 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12827 } 12828 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12829 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12830 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12831 } 12832 } 12833 12834 /* 12835 * Look at potentially valid container ids from processCids If package 12836 * information doesn't match the one on record or package scanning fails, 12837 * the cid is added to list of removeCids. We currently don't delete stale 12838 * containers. 12839 */ 12840 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12841 ArrayList<String> pkgList = new ArrayList<String>(); 12842 Set<AsecInstallArgs> keys = processCids.keySet(); 12843 12844 for (AsecInstallArgs args : keys) { 12845 String codePath = processCids.get(args); 12846 if (DEBUG_SD_INSTALL) 12847 Log.i(TAG, "Loading container : " + args.cid); 12848 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12849 try { 12850 // Make sure there are no container errors first. 12851 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12852 Slog.e(TAG, "Failed to mount cid : " + args.cid 12853 + " when installing from sdcard"); 12854 continue; 12855 } 12856 // Check code path here. 12857 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12858 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12859 + " does not match one in settings " + codePath); 12860 continue; 12861 } 12862 // Parse package 12863 int parseFlags = mDefParseFlags; 12864 if (args.isExternal()) { 12865 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12866 } 12867 if (args.isFwdLocked()) { 12868 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12869 } 12870 12871 synchronized (mInstallLock) { 12872 PackageParser.Package pkg = null; 12873 try { 12874 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12875 } catch (PackageManagerException e) { 12876 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12877 } 12878 // Scan the package 12879 if (pkg != null) { 12880 /* 12881 * TODO why is the lock being held? doPostInstall is 12882 * called in other places without the lock. This needs 12883 * to be straightened out. 12884 */ 12885 // writer 12886 synchronized (mPackages) { 12887 retCode = PackageManager.INSTALL_SUCCEEDED; 12888 pkgList.add(pkg.packageName); 12889 // Post process args 12890 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12891 pkg.applicationInfo.uid); 12892 } 12893 } else { 12894 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12895 } 12896 } 12897 12898 } finally { 12899 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12900 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12901 } 12902 } 12903 } 12904 // writer 12905 synchronized (mPackages) { 12906 // If the platform SDK has changed since the last time we booted, 12907 // we need to re-grant app permission to catch any new ones that 12908 // appear. This is really a hack, and means that apps can in some 12909 // cases get permissions that the user didn't initially explicitly 12910 // allow... it would be nice to have some better way to handle 12911 // this situation. 12912 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12913 if (regrantPermissions) 12914 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12915 + mSdkVersion + "; regranting permissions for external storage"); 12916 mSettings.mExternalSdkPlatform = mSdkVersion; 12917 12918 // Make sure group IDs have been assigned, and any permission 12919 // changes in other apps are accounted for 12920 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12921 | (regrantPermissions 12922 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12923 : 0)); 12924 12925 mSettings.updateExternalDatabaseVersion(); 12926 12927 // can downgrade to reader 12928 // Persist settings 12929 mSettings.writeLPr(); 12930 } 12931 // Send a broadcast to let everyone know we are done processing 12932 if (pkgList.size() > 0) { 12933 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12934 } 12935 } 12936 12937 /* 12938 * Utility method to unload a list of specified containers 12939 */ 12940 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12941 // Just unmount all valid containers. 12942 for (AsecInstallArgs arg : cidArgs) { 12943 synchronized (mInstallLock) { 12944 arg.doPostDeleteLI(false); 12945 } 12946 } 12947 } 12948 12949 /* 12950 * Unload packages mounted on external media. This involves deleting package 12951 * data from internal structures, sending broadcasts about diabled packages, 12952 * gc'ing to free up references, unmounting all secure containers 12953 * corresponding to packages on external media, and posting a 12954 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12955 * that we always have to post this message if status has been requested no 12956 * matter what. 12957 */ 12958 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12959 final boolean reportStatus) { 12960 if (DEBUG_SD_INSTALL) 12961 Log.i(TAG, "unloading media packages"); 12962 ArrayList<String> pkgList = new ArrayList<String>(); 12963 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12964 final Set<AsecInstallArgs> keys = processCids.keySet(); 12965 for (AsecInstallArgs args : keys) { 12966 String pkgName = args.getPackageName(); 12967 if (DEBUG_SD_INSTALL) 12968 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12969 // Delete package internally 12970 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12971 synchronized (mInstallLock) { 12972 boolean res = deletePackageLI(pkgName, null, false, null, null, 12973 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12974 if (res) { 12975 pkgList.add(pkgName); 12976 } else { 12977 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12978 failedList.add(args); 12979 } 12980 } 12981 } 12982 12983 // reader 12984 synchronized (mPackages) { 12985 // We didn't update the settings after removing each package; 12986 // write them now for all packages. 12987 mSettings.writeLPr(); 12988 } 12989 12990 // We have to absolutely send UPDATED_MEDIA_STATUS only 12991 // after confirming that all the receivers processed the ordered 12992 // broadcast when packages get disabled, force a gc to clean things up. 12993 // and unload all the containers. 12994 if (pkgList.size() > 0) { 12995 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12996 new IIntentReceiver.Stub() { 12997 public void performReceive(Intent intent, int resultCode, String data, 12998 Bundle extras, boolean ordered, boolean sticky, 12999 int sendingUser) throws RemoteException { 13000 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13001 reportStatus ? 1 : 0, 1, keys); 13002 mHandler.sendMessage(msg); 13003 } 13004 }); 13005 } else { 13006 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13007 keys); 13008 mHandler.sendMessage(msg); 13009 } 13010 } 13011 13012 /** Binder call */ 13013 @Override 13014 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13015 final int flags) { 13016 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13017 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13018 int returnCode = PackageManager.MOVE_SUCCEEDED; 13019 int currInstallFlags = 0; 13020 int newInstallFlags = 0; 13021 13022 File codeFile = null; 13023 String installerPackageName = null; 13024 String packageAbiOverride = null; 13025 13026 // reader 13027 synchronized (mPackages) { 13028 final PackageParser.Package pkg = mPackages.get(packageName); 13029 final PackageSetting ps = mSettings.mPackages.get(packageName); 13030 if (pkg == null || ps == null) { 13031 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13032 } else { 13033 // Disable moving fwd locked apps and system packages 13034 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13035 Slog.w(TAG, "Cannot move system application"); 13036 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13037 } else if (pkg.mOperationPending) { 13038 Slog.w(TAG, "Attempt to move package which has pending operations"); 13039 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13040 } else { 13041 // Find install location first 13042 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13043 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13044 Slog.w(TAG, "Ambigous flags specified for move location."); 13045 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13046 } else { 13047 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13048 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13049 currInstallFlags = isExternal(pkg) 13050 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13051 13052 if (newInstallFlags == currInstallFlags) { 13053 Slog.w(TAG, "No move required. Trying to move to same location"); 13054 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13055 } else { 13056 if (isForwardLocked(pkg)) { 13057 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13058 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13059 } 13060 } 13061 } 13062 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13063 pkg.mOperationPending = true; 13064 } 13065 } 13066 13067 codeFile = new File(pkg.codePath); 13068 installerPackageName = ps.installerPackageName; 13069 packageAbiOverride = ps.cpuAbiOverrideString; 13070 } 13071 } 13072 13073 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13074 try { 13075 observer.packageMoved(packageName, returnCode); 13076 } catch (RemoteException ignored) { 13077 } 13078 return; 13079 } 13080 13081 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13082 @Override 13083 public void onUserActionRequired(Intent intent) throws RemoteException { 13084 throw new IllegalStateException(); 13085 } 13086 13087 @Override 13088 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13089 Bundle extras) throws RemoteException { 13090 Slog.d(TAG, "Install result for move: " 13091 + PackageManager.installStatusToString(returnCode, msg)); 13092 13093 // We usually have a new package now after the install, but if 13094 // we failed we need to clear the pending flag on the original 13095 // package object. 13096 synchronized (mPackages) { 13097 final PackageParser.Package pkg = mPackages.get(packageName); 13098 if (pkg != null) { 13099 pkg.mOperationPending = false; 13100 } 13101 } 13102 13103 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13104 switch (status) { 13105 case PackageInstaller.STATUS_SUCCESS: 13106 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13107 break; 13108 case PackageInstaller.STATUS_FAILURE_STORAGE: 13109 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13110 break; 13111 default: 13112 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13113 break; 13114 } 13115 } 13116 }; 13117 13118 // Treat a move like reinstalling an existing app, which ensures that we 13119 // process everythign uniformly, like unpacking native libraries. 13120 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13121 13122 final Message msg = mHandler.obtainMessage(INIT_COPY); 13123 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13124 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13125 installerPackageName, null, user, packageAbiOverride); 13126 mHandler.sendMessage(msg); 13127 } 13128 13129 @Override 13130 public boolean setInstallLocation(int loc) { 13131 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13132 null); 13133 if (getInstallLocation() == loc) { 13134 return true; 13135 } 13136 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13137 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13138 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13139 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13140 return true; 13141 } 13142 return false; 13143 } 13144 13145 @Override 13146 public int getInstallLocation() { 13147 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13148 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13149 PackageHelper.APP_INSTALL_AUTO); 13150 } 13151 13152 /** Called by UserManagerService */ 13153 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13154 mDirtyUsers.remove(userHandle); 13155 mSettings.removeUserLPw(userHandle); 13156 mPendingBroadcasts.remove(userHandle); 13157 if (mInstaller != null) { 13158 // Technically, we shouldn't be doing this with the package lock 13159 // held. However, this is very rare, and there is already so much 13160 // other disk I/O going on, that we'll let it slide for now. 13161 mInstaller.removeUserDataDirs(userHandle); 13162 } 13163 mUserNeedsBadging.delete(userHandle); 13164 removeUnusedPackagesLILPw(userManager, userHandle); 13165 } 13166 13167 /** 13168 * We're removing userHandle and would like to remove any downloaded packages 13169 * that are no longer in use by any other user. 13170 * @param userHandle the user being removed 13171 */ 13172 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13173 final boolean DEBUG_CLEAN_APKS = false; 13174 int [] users = userManager.getUserIdsLPr(); 13175 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13176 while (psit.hasNext()) { 13177 PackageSetting ps = psit.next(); 13178 if (ps.pkg == null) { 13179 continue; 13180 } 13181 final String packageName = ps.pkg.packageName; 13182 // Skip over if system app 13183 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13184 continue; 13185 } 13186 if (DEBUG_CLEAN_APKS) { 13187 Slog.i(TAG, "Checking package " + packageName); 13188 } 13189 boolean keep = false; 13190 for (int i = 0; i < users.length; i++) { 13191 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13192 keep = true; 13193 if (DEBUG_CLEAN_APKS) { 13194 Slog.i(TAG, " Keeping package " + packageName + " for user " 13195 + users[i]); 13196 } 13197 break; 13198 } 13199 } 13200 if (!keep) { 13201 if (DEBUG_CLEAN_APKS) { 13202 Slog.i(TAG, " Removing package " + packageName); 13203 } 13204 mHandler.post(new Runnable() { 13205 public void run() { 13206 deletePackageX(packageName, userHandle, 0); 13207 } //end run 13208 }); 13209 } 13210 } 13211 } 13212 13213 /** Called by UserManagerService */ 13214 void createNewUserLILPw(int userHandle, File path) { 13215 if (mInstaller != null) { 13216 mInstaller.createUserConfig(userHandle); 13217 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13218 } 13219 } 13220 13221 @Override 13222 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13223 mContext.enforceCallingOrSelfPermission( 13224 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13225 "Only package verification agents can read the verifier device identity"); 13226 13227 synchronized (mPackages) { 13228 return mSettings.getVerifierDeviceIdentityLPw(); 13229 } 13230 } 13231 13232 @Override 13233 public void setPermissionEnforced(String permission, boolean enforced) { 13234 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13235 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13236 synchronized (mPackages) { 13237 if (mSettings.mReadExternalStorageEnforced == null 13238 || mSettings.mReadExternalStorageEnforced != enforced) { 13239 mSettings.mReadExternalStorageEnforced = enforced; 13240 mSettings.writeLPr(); 13241 } 13242 } 13243 // kill any non-foreground processes so we restart them and 13244 // grant/revoke the GID. 13245 final IActivityManager am = ActivityManagerNative.getDefault(); 13246 if (am != null) { 13247 final long token = Binder.clearCallingIdentity(); 13248 try { 13249 am.killProcessesBelowForeground("setPermissionEnforcement"); 13250 } catch (RemoteException e) { 13251 } finally { 13252 Binder.restoreCallingIdentity(token); 13253 } 13254 } 13255 } else { 13256 throw new IllegalArgumentException("No selective enforcement for " + permission); 13257 } 13258 } 13259 13260 @Override 13261 @Deprecated 13262 public boolean isPermissionEnforced(String permission) { 13263 return true; 13264 } 13265 13266 @Override 13267 public boolean isStorageLow() { 13268 final long token = Binder.clearCallingIdentity(); 13269 try { 13270 final DeviceStorageMonitorInternal 13271 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13272 if (dsm != null) { 13273 return dsm.isMemoryLow(); 13274 } else { 13275 return false; 13276 } 13277 } finally { 13278 Binder.restoreCallingIdentity(token); 13279 } 13280 } 13281 13282 @Override 13283 public IPackageInstaller getPackageInstaller() { 13284 return mInstallerService; 13285 } 13286 13287 private boolean userNeedsBadging(int userId) { 13288 int index = mUserNeedsBadging.indexOfKey(userId); 13289 if (index < 0) { 13290 final UserInfo userInfo; 13291 final long token = Binder.clearCallingIdentity(); 13292 try { 13293 userInfo = sUserManager.getUserInfo(userId); 13294 } finally { 13295 Binder.restoreCallingIdentity(token); 13296 } 13297 final boolean b; 13298 if (userInfo != null && userInfo.isManagedProfile()) { 13299 b = true; 13300 } else { 13301 b = false; 13302 } 13303 mUserNeedsBadging.put(userId, b); 13304 return b; 13305 } 13306 return mUserNeedsBadging.valueAt(index); 13307 } 13308 13309 @Override 13310 public KeySet getKeySetByAlias(String packageName, String alias) { 13311 if (packageName == null || alias == null) { 13312 return null; 13313 } 13314 synchronized(mPackages) { 13315 final PackageParser.Package pkg = mPackages.get(packageName); 13316 if (pkg == null) { 13317 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13318 throw new IllegalArgumentException("Unknown package: " + packageName); 13319 } 13320 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13321 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13322 } 13323 } 13324 13325 @Override 13326 public KeySet getSigningKeySet(String packageName) { 13327 if (packageName == null) { 13328 return null; 13329 } 13330 synchronized(mPackages) { 13331 final PackageParser.Package pkg = mPackages.get(packageName); 13332 if (pkg == null) { 13333 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13334 throw new IllegalArgumentException("Unknown package: " + packageName); 13335 } 13336 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13337 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13338 throw new SecurityException("May not access signing KeySet of other apps."); 13339 } 13340 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13341 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13342 } 13343 } 13344 13345 @Override 13346 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13347 if (packageName == null || ks == null) { 13348 return false; 13349 } 13350 synchronized(mPackages) { 13351 final PackageParser.Package pkg = mPackages.get(packageName); 13352 if (pkg == null) { 13353 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13354 throw new IllegalArgumentException("Unknown package: " + packageName); 13355 } 13356 IBinder ksh = ks.getToken(); 13357 if (ksh instanceof KeySetHandle) { 13358 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13359 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13360 } 13361 return false; 13362 } 13363 } 13364 13365 @Override 13366 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13367 if (packageName == null || ks == null) { 13368 return false; 13369 } 13370 synchronized(mPackages) { 13371 final PackageParser.Package pkg = mPackages.get(packageName); 13372 if (pkg == null) { 13373 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13374 throw new IllegalArgumentException("Unknown package: " + packageName); 13375 } 13376 IBinder ksh = ks.getToken(); 13377 if (ksh instanceof KeySetHandle) { 13378 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13379 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13380 } 13381 return false; 13382 } 13383 } 13384 } 13385