PackageManagerService.java revision 9c165d76010d9f79f5cd71978742a335b6b8d1b4
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 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 45import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 46import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 63import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 64import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 65import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 66import static android.content.pm.PackageManager.PERMISSION_DENIED; 67import static android.content.pm.PackageManager.PERMISSION_GRANTED; 68import static android.content.pm.PackageParser.isApkFile; 69import static android.os.Process.PACKAGE_INFO_GID; 70import static android.os.Process.SYSTEM_UID; 71import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 72import static android.system.OsConstants.O_CREAT; 73import static android.system.OsConstants.O_RDWR; 74import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 75import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 76import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 77import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 78import static com.android.internal.util.ArrayUtils.appendInt; 79import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 80import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 81import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 82import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 83import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 84import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 85import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 86import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 87import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 88 89import android.Manifest; 90import android.app.ActivityManager; 91import android.app.ActivityManagerNative; 92import android.app.AppGlobals; 93import android.app.IActivityManager; 94import android.app.admin.IDevicePolicyManager; 95import android.app.backup.IBackupManager; 96import android.app.usage.UsageStats; 97import android.app.usage.UsageStatsManager; 98import android.content.BroadcastReceiver; 99import android.content.ComponentName; 100import android.content.Context; 101import android.content.IIntentReceiver; 102import android.content.Intent; 103import android.content.IntentFilter; 104import android.content.IntentSender; 105import android.content.IntentSender.SendIntentException; 106import android.content.ServiceConnection; 107import android.content.pm.ActivityInfo; 108import android.content.pm.ApplicationInfo; 109import android.content.pm.AppsQueryHelper; 110import android.content.pm.FeatureInfo; 111import android.content.pm.IOnPermissionsChangeListener; 112import android.content.pm.IPackageDataObserver; 113import android.content.pm.IPackageDeleteObserver; 114import android.content.pm.IPackageDeleteObserver2; 115import android.content.pm.IPackageInstallObserver2; 116import android.content.pm.IPackageInstaller; 117import android.content.pm.IPackageManager; 118import android.content.pm.IPackageMoveObserver; 119import android.content.pm.IPackageStatsObserver; 120import android.content.pm.InstrumentationInfo; 121import android.content.pm.IntentFilterVerificationInfo; 122import android.content.pm.KeySet; 123import android.content.pm.ManifestDigest; 124import android.content.pm.PackageCleanItem; 125import android.content.pm.PackageInfo; 126import android.content.pm.PackageInfoLite; 127import android.content.pm.PackageInstaller; 128import android.content.pm.PackageManager; 129import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 130import android.content.pm.PackageManagerInternal; 131import android.content.pm.PackageParser; 132import android.content.pm.PackageParser.ActivityIntentInfo; 133import android.content.pm.PackageParser.PackageLite; 134import android.content.pm.PackageParser.PackageParserException; 135import android.content.pm.PackageStats; 136import android.content.pm.PackageUserState; 137import android.content.pm.ParceledListSlice; 138import android.content.pm.PermissionGroupInfo; 139import android.content.pm.PermissionInfo; 140import android.content.pm.ProviderInfo; 141import android.content.pm.ResolveInfo; 142import android.content.pm.ServiceInfo; 143import android.content.pm.Signature; 144import android.content.pm.UserInfo; 145import android.content.pm.VerificationParams; 146import android.content.pm.VerifierDeviceIdentity; 147import android.content.pm.VerifierInfo; 148import android.content.res.Resources; 149import android.hardware.display.DisplayManager; 150import android.net.Uri; 151import android.os.Debug; 152import android.os.Binder; 153import android.os.Build; 154import android.os.Bundle; 155import android.os.Environment; 156import android.os.Environment.UserEnvironment; 157import android.os.FileUtils; 158import android.os.Handler; 159import android.os.IBinder; 160import android.os.Looper; 161import android.os.Message; 162import android.os.Parcel; 163import android.os.ParcelFileDescriptor; 164import android.os.Process; 165import android.os.RemoteCallbackList; 166import android.os.RemoteException; 167import android.os.ResultReceiver; 168import android.os.SELinux; 169import android.os.ServiceManager; 170import android.os.SystemClock; 171import android.os.SystemProperties; 172import android.os.Trace; 173import android.os.UserHandle; 174import android.os.UserManager; 175import android.os.storage.IMountService; 176import android.os.storage.MountServiceInternal; 177import android.os.storage.StorageEventListener; 178import android.os.storage.StorageManager; 179import android.os.storage.VolumeInfo; 180import android.os.storage.VolumeRecord; 181import android.security.KeyStore; 182import android.security.SystemKeyStore; 183import android.system.ErrnoException; 184import android.system.Os; 185import android.system.StructStat; 186import android.text.TextUtils; 187import android.text.format.DateUtils; 188import android.util.ArrayMap; 189import android.util.ArraySet; 190import android.util.AtomicFile; 191import android.util.DisplayMetrics; 192import android.util.EventLog; 193import android.util.ExceptionUtils; 194import android.util.Log; 195import android.util.LogPrinter; 196import android.util.MathUtils; 197import android.util.PrintStreamPrinter; 198import android.util.Slog; 199import android.util.SparseArray; 200import android.util.SparseBooleanArray; 201import android.util.SparseIntArray; 202import android.util.Xml; 203import android.view.Display; 204 205import dalvik.system.DexFile; 206import dalvik.system.VMRuntime; 207 208import libcore.io.IoUtils; 209import libcore.util.EmptyArray; 210 211import com.android.internal.R; 212import com.android.internal.annotations.GuardedBy; 213import com.android.internal.app.EphemeralResolveInfo; 214import com.android.internal.app.IMediaContainerService; 215import com.android.internal.app.ResolverActivity; 216import com.android.internal.content.NativeLibraryHelper; 217import com.android.internal.content.PackageHelper; 218import com.android.internal.os.IParcelFileDescriptorFactory; 219import com.android.internal.os.SomeArgs; 220import com.android.internal.os.Zygote; 221import com.android.internal.util.ArrayUtils; 222import com.android.internal.util.FastPrintWriter; 223import com.android.internal.util.FastXmlSerializer; 224import com.android.internal.util.IndentingPrintWriter; 225import com.android.internal.util.Preconditions; 226import com.android.server.EventLogTags; 227import com.android.server.FgThread; 228import com.android.server.IntentResolver; 229import com.android.server.LocalServices; 230import com.android.server.ServiceThread; 231import com.android.server.SystemConfig; 232import com.android.server.Watchdog; 233import com.android.server.pm.PermissionsState.PermissionState; 234import com.android.server.pm.Settings.DatabaseVersion; 235import com.android.server.pm.Settings.VersionInfo; 236import com.android.server.storage.DeviceStorageMonitorInternal; 237 238import org.xmlpull.v1.XmlPullParser; 239import org.xmlpull.v1.XmlPullParserException; 240import org.xmlpull.v1.XmlSerializer; 241 242import java.io.BufferedInputStream; 243import java.io.BufferedOutputStream; 244import java.io.BufferedReader; 245import java.io.ByteArrayInputStream; 246import java.io.ByteArrayOutputStream; 247import java.io.File; 248import java.io.FileDescriptor; 249import java.io.FileNotFoundException; 250import java.io.FileOutputStream; 251import java.io.FileReader; 252import java.io.FilenameFilter; 253import java.io.IOException; 254import java.io.InputStream; 255import java.io.PrintWriter; 256import java.nio.charset.StandardCharsets; 257import java.security.MessageDigest; 258import java.security.NoSuchAlgorithmException; 259import java.security.PublicKey; 260import java.security.cert.CertificateEncodingException; 261import java.security.cert.CertificateException; 262import java.text.SimpleDateFormat; 263import java.util.ArrayList; 264import java.util.Arrays; 265import java.util.Collection; 266import java.util.Collections; 267import java.util.Comparator; 268import java.util.Date; 269import java.util.Iterator; 270import java.util.List; 271import java.util.Map; 272import java.util.Objects; 273import java.util.Set; 274import java.util.concurrent.CountDownLatch; 275import java.util.concurrent.TimeUnit; 276import java.util.concurrent.atomic.AtomicBoolean; 277import java.util.concurrent.atomic.AtomicInteger; 278import java.util.concurrent.atomic.AtomicLong; 279 280/** 281 * Keep track of all those .apks everywhere. 282 * 283 * This is very central to the platform's security; please run the unit 284 * tests whenever making modifications here: 285 * 286runtest -c android.content.pm.PackageManagerTests frameworks-core 287 * 288 * {@hide} 289 */ 290public class PackageManagerService extends IPackageManager.Stub { 291 static final String TAG = "PackageManager"; 292 static final boolean DEBUG_SETTINGS = false; 293 static final boolean DEBUG_PREFERRED = false; 294 static final boolean DEBUG_UPGRADE = false; 295 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 296 private static final boolean DEBUG_BACKUP = false; 297 private static final boolean DEBUG_INSTALL = false; 298 private static final boolean DEBUG_REMOVE = false; 299 private static final boolean DEBUG_BROADCASTS = false; 300 private static final boolean DEBUG_SHOW_INFO = false; 301 private static final boolean DEBUG_PACKAGE_INFO = false; 302 private static final boolean DEBUG_INTENT_MATCHING = false; 303 private static final boolean DEBUG_PACKAGE_SCANNING = false; 304 private static final boolean DEBUG_VERIFY = false; 305 private static final boolean DEBUG_DEXOPT = false; 306 private static final boolean DEBUG_ABI_SELECTION = false; 307 private static final boolean DEBUG_EPHEMERAL = false; 308 309 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 310 311 private static final int RADIO_UID = Process.PHONE_UID; 312 private static final int LOG_UID = Process.LOG_UID; 313 private static final int NFC_UID = Process.NFC_UID; 314 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 315 private static final int SHELL_UID = Process.SHELL_UID; 316 317 // Cap the size of permission trees that 3rd party apps can define 318 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 319 320 // Suffix used during package installation when copying/moving 321 // package apks to install directory. 322 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 323 324 static final int SCAN_NO_DEX = 1<<1; 325 static final int SCAN_FORCE_DEX = 1<<2; 326 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 327 static final int SCAN_NEW_INSTALL = 1<<4; 328 static final int SCAN_NO_PATHS = 1<<5; 329 static final int SCAN_UPDATE_TIME = 1<<6; 330 static final int SCAN_DEFER_DEX = 1<<7; 331 static final int SCAN_BOOTING = 1<<8; 332 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 333 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 334 static final int SCAN_REPLACING = 1<<11; 335 static final int SCAN_REQUIRE_KNOWN = 1<<12; 336 static final int SCAN_MOVE = 1<<13; 337 static final int SCAN_INITIAL = 1<<14; 338 339 static final int REMOVE_CHATTY = 1<<16; 340 341 private static final int[] EMPTY_INT_ARRAY = new int[0]; 342 343 /** 344 * Timeout (in milliseconds) after which the watchdog should declare that 345 * our handler thread is wedged. The usual default for such things is one 346 * minute but we sometimes do very lengthy I/O operations on this thread, 347 * such as installing multi-gigabyte applications, so ours needs to be longer. 348 */ 349 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 350 351 /** 352 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 353 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 354 * settings entry if available, otherwise we use the hardcoded default. If it's been 355 * more than this long since the last fstrim, we force one during the boot sequence. 356 * 357 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 358 * one gets run at the next available charging+idle time. This final mandatory 359 * no-fstrim check kicks in only of the other scheduling criteria is never met. 360 */ 361 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 362 363 /** 364 * Whether verification is enabled by default. 365 */ 366 private static final boolean DEFAULT_VERIFY_ENABLE = true; 367 368 /** 369 * The default maximum time to wait for the verification agent to return in 370 * milliseconds. 371 */ 372 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 373 374 /** 375 * The default response for package verification timeout. 376 * 377 * This can be either PackageManager.VERIFICATION_ALLOW or 378 * PackageManager.VERIFICATION_REJECT. 379 */ 380 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 381 382 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 383 384 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 385 DEFAULT_CONTAINER_PACKAGE, 386 "com.android.defcontainer.DefaultContainerService"); 387 388 private static final String KILL_APP_REASON_GIDS_CHANGED = 389 "permission grant or revoke changed gids"; 390 391 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 392 "permissions revoked"; 393 394 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 395 396 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 397 398 /** Permission grant: not grant the permission. */ 399 private static final int GRANT_DENIED = 1; 400 401 /** Permission grant: grant the permission as an install permission. */ 402 private static final int GRANT_INSTALL = 2; 403 404 /** Permission grant: grant the permission as a runtime one. */ 405 private static final int GRANT_RUNTIME = 3; 406 407 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 408 private static final int GRANT_UPGRADE = 4; 409 410 /** Canonical intent used to identify what counts as a "web browser" app */ 411 private static final Intent sBrowserIntent; 412 static { 413 sBrowserIntent = new Intent(); 414 sBrowserIntent.setAction(Intent.ACTION_VIEW); 415 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 416 sBrowserIntent.setData(Uri.parse("http:")); 417 } 418 419 final ServiceThread mHandlerThread; 420 421 final PackageHandler mHandler; 422 423 /** 424 * Messages for {@link #mHandler} that need to wait for system ready before 425 * being dispatched. 426 */ 427 private ArrayList<Message> mPostSystemReadyMessages; 428 429 final int mSdkVersion = Build.VERSION.SDK_INT; 430 431 final Context mContext; 432 final boolean mFactoryTest; 433 final boolean mOnlyCore; 434 final DisplayMetrics mMetrics; 435 final int mDefParseFlags; 436 final String[] mSeparateProcesses; 437 final boolean mIsUpgrade; 438 439 // This is where all application persistent data goes. 440 final File mAppDataDir; 441 442 // This is where all application persistent data goes for secondary users. 443 final File mUserAppDataDir; 444 445 /** The location for ASEC container files on internal storage. */ 446 final String mAsecInternalPath; 447 448 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 449 // LOCK HELD. Can be called with mInstallLock held. 450 @GuardedBy("mInstallLock") 451 final Installer mInstaller; 452 453 /** Directory where installed third-party apps stored */ 454 final File mAppInstallDir; 455 456 /** 457 * Directory to which applications installed internally have their 458 * 32 bit native libraries copied. 459 */ 460 private File mAppLib32InstallDir; 461 462 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 463 // apps. 464 final File mDrmAppPrivateInstallDir; 465 466 // ---------------------------------------------------------------- 467 468 // Lock for state used when installing and doing other long running 469 // operations. Methods that must be called with this lock held have 470 // the suffix "LI". 471 final Object mInstallLock = new Object(); 472 473 // ---------------------------------------------------------------- 474 475 // Keys are String (package name), values are Package. This also serves 476 // as the lock for the global state. Methods that must be called with 477 // this lock held have the prefix "LP". 478 @GuardedBy("mPackages") 479 final ArrayMap<String, PackageParser.Package> mPackages = 480 new ArrayMap<String, PackageParser.Package>(); 481 482 // Tracks available target package names -> overlay package paths. 483 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 484 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 485 486 /** 487 * Tracks new system packages [received in an OTA] that we expect to 488 * find updated user-installed versions. Keys are package name, values 489 * are package location. 490 */ 491 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 492 493 /** 494 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 495 */ 496 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 497 /** 498 * Whether or not system app permissions should be promoted from install to runtime. 499 */ 500 boolean mPromoteSystemApps; 501 502 final Settings mSettings; 503 boolean mRestoredSettings; 504 505 // System configuration read by SystemConfig. 506 final int[] mGlobalGids; 507 final SparseArray<ArraySet<String>> mSystemPermissions; 508 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 509 510 // If mac_permissions.xml was found for seinfo labeling. 511 boolean mFoundPolicyFile; 512 513 // If a recursive restorecon of /data/data/<pkg> is needed. 514 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 515 516 public static final class SharedLibraryEntry { 517 public final String path; 518 public final String apk; 519 520 SharedLibraryEntry(String _path, String _apk) { 521 path = _path; 522 apk = _apk; 523 } 524 } 525 526 // Currently known shared libraries. 527 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 528 new ArrayMap<String, SharedLibraryEntry>(); 529 530 // All available activities, for your resolving pleasure. 531 final ActivityIntentResolver mActivities = 532 new ActivityIntentResolver(); 533 534 // All available receivers, for your resolving pleasure. 535 final ActivityIntentResolver mReceivers = 536 new ActivityIntentResolver(); 537 538 // All available services, for your resolving pleasure. 539 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 540 541 // All available providers, for your resolving pleasure. 542 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 543 544 // Mapping from provider base names (first directory in content URI codePath) 545 // to the provider information. 546 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 547 new ArrayMap<String, PackageParser.Provider>(); 548 549 // Mapping from instrumentation class names to info about them. 550 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 551 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 552 553 // Mapping from permission names to info about them. 554 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 555 new ArrayMap<String, PackageParser.PermissionGroup>(); 556 557 // Packages whose data we have transfered into another package, thus 558 // should no longer exist. 559 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 560 561 // Broadcast actions that are only available to the system. 562 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 563 564 /** List of packages waiting for verification. */ 565 final SparseArray<PackageVerificationState> mPendingVerification 566 = new SparseArray<PackageVerificationState>(); 567 568 /** Set of packages associated with each app op permission. */ 569 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 570 571 final PackageInstallerService mInstallerService; 572 573 private final PackageDexOptimizer mPackageDexOptimizer; 574 575 private AtomicInteger mNextMoveId = new AtomicInteger(); 576 private final MoveCallbacks mMoveCallbacks; 577 578 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 579 580 // Cache of users who need badging. 581 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 582 583 /** Token for keys in mPendingVerification. */ 584 private int mPendingVerificationToken = 0; 585 586 volatile boolean mSystemReady; 587 volatile boolean mSafeMode; 588 volatile boolean mHasSystemUidErrors; 589 590 ApplicationInfo mAndroidApplication; 591 final ActivityInfo mResolveActivity = new ActivityInfo(); 592 final ResolveInfo mResolveInfo = new ResolveInfo(); 593 ComponentName mResolveComponentName; 594 PackageParser.Package mPlatformPackage; 595 ComponentName mCustomResolverComponentName; 596 597 boolean mResolverReplaced = false; 598 599 private final ComponentName mIntentFilterVerifierComponent; 600 private int mIntentFilterVerificationToken = 0; 601 602 /** Component that knows whether or not an ephemeral application exists */ 603 final ComponentName mEphemeralResolverComponent; 604 /** The service connection to the ephemeral resolver */ 605 final EphemeralResolverConnection mEphemeralResolverConnection; 606 607 /** Component used to install ephemeral applications */ 608 final ComponentName mEphemeralInstallerComponent; 609 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 610 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 611 612 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 613 = new SparseArray<IntentFilterVerificationState>(); 614 615 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 616 new DefaultPermissionGrantPolicy(this); 617 618 // List of packages names to keep cached, even if they are uninstalled for all users 619 private List<String> mKeepUninstalledPackages; 620 621 private static class IFVerificationParams { 622 PackageParser.Package pkg; 623 boolean replacing; 624 int userId; 625 int verifierUid; 626 627 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 628 int _userId, int _verifierUid) { 629 pkg = _pkg; 630 replacing = _replacing; 631 userId = _userId; 632 replacing = _replacing; 633 verifierUid = _verifierUid; 634 } 635 } 636 637 private interface IntentFilterVerifier<T extends IntentFilter> { 638 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 639 T filter, String packageName); 640 void startVerifications(int userId); 641 void receiveVerificationResponse(int verificationId); 642 } 643 644 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 645 private Context mContext; 646 private ComponentName mIntentFilterVerifierComponent; 647 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 648 649 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 650 mContext = context; 651 mIntentFilterVerifierComponent = verifierComponent; 652 } 653 654 private String getDefaultScheme() { 655 return IntentFilter.SCHEME_HTTPS; 656 } 657 658 @Override 659 public void startVerifications(int userId) { 660 // Launch verifications requests 661 int count = mCurrentIntentFilterVerifications.size(); 662 for (int n=0; n<count; n++) { 663 int verificationId = mCurrentIntentFilterVerifications.get(n); 664 final IntentFilterVerificationState ivs = 665 mIntentFilterVerificationStates.get(verificationId); 666 667 String packageName = ivs.getPackageName(); 668 669 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 670 final int filterCount = filters.size(); 671 ArraySet<String> domainsSet = new ArraySet<>(); 672 for (int m=0; m<filterCount; m++) { 673 PackageParser.ActivityIntentInfo filter = filters.get(m); 674 domainsSet.addAll(filter.getHostsList()); 675 } 676 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 677 synchronized (mPackages) { 678 if (mSettings.createIntentFilterVerificationIfNeededLPw( 679 packageName, domainsList) != null) { 680 scheduleWriteSettingsLocked(); 681 } 682 } 683 sendVerificationRequest(userId, verificationId, ivs); 684 } 685 mCurrentIntentFilterVerifications.clear(); 686 } 687 688 private void sendVerificationRequest(int userId, int verificationId, 689 IntentFilterVerificationState ivs) { 690 691 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 692 verificationIntent.putExtra( 693 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 694 verificationId); 695 verificationIntent.putExtra( 696 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 697 getDefaultScheme()); 698 verificationIntent.putExtra( 699 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 700 ivs.getHostsString()); 701 verificationIntent.putExtra( 702 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 703 ivs.getPackageName()); 704 verificationIntent.setComponent(mIntentFilterVerifierComponent); 705 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 706 707 UserHandle user = new UserHandle(userId); 708 mContext.sendBroadcastAsUser(verificationIntent, user); 709 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 710 "Sending IntentFilter verification broadcast"); 711 } 712 713 public void receiveVerificationResponse(int verificationId) { 714 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 715 716 final boolean verified = ivs.isVerified(); 717 718 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 719 final int count = filters.size(); 720 if (DEBUG_DOMAIN_VERIFICATION) { 721 Slog.i(TAG, "Received verification response " + verificationId 722 + " for " + count + " filters, verified=" + verified); 723 } 724 for (int n=0; n<count; n++) { 725 PackageParser.ActivityIntentInfo filter = filters.get(n); 726 filter.setVerified(verified); 727 728 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 729 + " verified with result:" + verified + " and hosts:" 730 + ivs.getHostsString()); 731 } 732 733 mIntentFilterVerificationStates.remove(verificationId); 734 735 final String packageName = ivs.getPackageName(); 736 IntentFilterVerificationInfo ivi = null; 737 738 synchronized (mPackages) { 739 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 740 } 741 if (ivi == null) { 742 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 743 + verificationId + " packageName:" + packageName); 744 return; 745 } 746 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 747 "Updating IntentFilterVerificationInfo for package " + packageName 748 +" verificationId:" + verificationId); 749 750 synchronized (mPackages) { 751 if (verified) { 752 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 753 } else { 754 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 755 } 756 scheduleWriteSettingsLocked(); 757 758 final int userId = ivs.getUserId(); 759 if (userId != UserHandle.USER_ALL) { 760 final int userStatus = 761 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 762 763 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 764 boolean needUpdate = false; 765 766 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 767 // already been set by the User thru the Disambiguation dialog 768 switch (userStatus) { 769 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 770 if (verified) { 771 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 772 } else { 773 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 774 } 775 needUpdate = true; 776 break; 777 778 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 779 if (verified) { 780 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 781 needUpdate = true; 782 } 783 break; 784 785 default: 786 // Nothing to do 787 } 788 789 if (needUpdate) { 790 mSettings.updateIntentFilterVerificationStatusLPw( 791 packageName, updatedStatus, userId); 792 scheduleWritePackageRestrictionsLocked(userId); 793 } 794 } 795 } 796 } 797 798 @Override 799 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 800 ActivityIntentInfo filter, String packageName) { 801 if (!hasValidDomains(filter)) { 802 return false; 803 } 804 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 805 if (ivs == null) { 806 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 807 packageName); 808 } 809 if (DEBUG_DOMAIN_VERIFICATION) { 810 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 811 } 812 ivs.addFilter(filter); 813 return true; 814 } 815 816 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 817 int userId, int verificationId, String packageName) { 818 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 819 verifierUid, userId, packageName); 820 ivs.setPendingState(); 821 synchronized (mPackages) { 822 mIntentFilterVerificationStates.append(verificationId, ivs); 823 mCurrentIntentFilterVerifications.add(verificationId); 824 } 825 return ivs; 826 } 827 } 828 829 private static boolean hasValidDomains(ActivityIntentInfo filter) { 830 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 831 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 832 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 833 } 834 835 private IntentFilterVerifier mIntentFilterVerifier; 836 837 // Set of pending broadcasts for aggregating enable/disable of components. 838 static class PendingPackageBroadcasts { 839 // for each user id, a map of <package name -> components within that package> 840 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 841 842 public PendingPackageBroadcasts() { 843 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 844 } 845 846 public ArrayList<String> get(int userId, String packageName) { 847 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 848 return packages.get(packageName); 849 } 850 851 public void put(int userId, String packageName, ArrayList<String> components) { 852 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 853 packages.put(packageName, components); 854 } 855 856 public void remove(int userId, String packageName) { 857 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 858 if (packages != null) { 859 packages.remove(packageName); 860 } 861 } 862 863 public void remove(int userId) { 864 mUidMap.remove(userId); 865 } 866 867 public int userIdCount() { 868 return mUidMap.size(); 869 } 870 871 public int userIdAt(int n) { 872 return mUidMap.keyAt(n); 873 } 874 875 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 876 return mUidMap.get(userId); 877 } 878 879 public int size() { 880 // total number of pending broadcast entries across all userIds 881 int num = 0; 882 for (int i = 0; i< mUidMap.size(); i++) { 883 num += mUidMap.valueAt(i).size(); 884 } 885 return num; 886 } 887 888 public void clear() { 889 mUidMap.clear(); 890 } 891 892 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 893 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 894 if (map == null) { 895 map = new ArrayMap<String, ArrayList<String>>(); 896 mUidMap.put(userId, map); 897 } 898 return map; 899 } 900 } 901 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 902 903 // Service Connection to remote media container service to copy 904 // package uri's from external media onto secure containers 905 // or internal storage. 906 private IMediaContainerService mContainerService = null; 907 908 static final int SEND_PENDING_BROADCAST = 1; 909 static final int MCS_BOUND = 3; 910 static final int END_COPY = 4; 911 static final int INIT_COPY = 5; 912 static final int MCS_UNBIND = 6; 913 static final int START_CLEANING_PACKAGE = 7; 914 static final int FIND_INSTALL_LOC = 8; 915 static final int POST_INSTALL = 9; 916 static final int MCS_RECONNECT = 10; 917 static final int MCS_GIVE_UP = 11; 918 static final int UPDATED_MEDIA_STATUS = 12; 919 static final int WRITE_SETTINGS = 13; 920 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 921 static final int PACKAGE_VERIFIED = 15; 922 static final int CHECK_PENDING_VERIFICATION = 16; 923 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 924 static final int INTENT_FILTER_VERIFIED = 18; 925 926 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 927 928 // Delay time in millisecs 929 static final int BROADCAST_DELAY = 10 * 1000; 930 931 static UserManagerService sUserManager; 932 933 // Stores a list of users whose package restrictions file needs to be updated 934 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 935 936 final private DefaultContainerConnection mDefContainerConn = 937 new DefaultContainerConnection(); 938 class DefaultContainerConnection implements ServiceConnection { 939 public void onServiceConnected(ComponentName name, IBinder service) { 940 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 941 IMediaContainerService imcs = 942 IMediaContainerService.Stub.asInterface(service); 943 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 944 } 945 946 public void onServiceDisconnected(ComponentName name) { 947 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 948 } 949 } 950 951 // Recordkeeping of restore-after-install operations that are currently in flight 952 // between the Package Manager and the Backup Manager 953 class PostInstallData { 954 public InstallArgs args; 955 public PackageInstalledInfo res; 956 957 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 958 args = _a; 959 res = _r; 960 } 961 } 962 963 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 964 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 965 966 // XML tags for backup/restore of various bits of state 967 private static final String TAG_PREFERRED_BACKUP = "pa"; 968 private static final String TAG_DEFAULT_APPS = "da"; 969 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 970 971 final String mRequiredVerifierPackage; 972 final String mRequiredInstallerPackage; 973 974 private final PackageUsage mPackageUsage = new PackageUsage(); 975 976 private class PackageUsage { 977 private static final int WRITE_INTERVAL 978 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 979 980 private final Object mFileLock = new Object(); 981 private final AtomicLong mLastWritten = new AtomicLong(0); 982 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 983 984 private boolean mIsHistoricalPackageUsageAvailable = true; 985 986 boolean isHistoricalPackageUsageAvailable() { 987 return mIsHistoricalPackageUsageAvailable; 988 } 989 990 void write(boolean force) { 991 if (force) { 992 writeInternal(); 993 return; 994 } 995 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 996 && !DEBUG_DEXOPT) { 997 return; 998 } 999 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1000 new Thread("PackageUsage_DiskWriter") { 1001 @Override 1002 public void run() { 1003 try { 1004 writeInternal(); 1005 } finally { 1006 mBackgroundWriteRunning.set(false); 1007 } 1008 } 1009 }.start(); 1010 } 1011 } 1012 1013 private void writeInternal() { 1014 synchronized (mPackages) { 1015 synchronized (mFileLock) { 1016 AtomicFile file = getFile(); 1017 FileOutputStream f = null; 1018 try { 1019 f = file.startWrite(); 1020 BufferedOutputStream out = new BufferedOutputStream(f); 1021 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1022 StringBuilder sb = new StringBuilder(); 1023 for (PackageParser.Package pkg : mPackages.values()) { 1024 if (pkg.mLastPackageUsageTimeInMills == 0) { 1025 continue; 1026 } 1027 sb.setLength(0); 1028 sb.append(pkg.packageName); 1029 sb.append(' '); 1030 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1031 sb.append('\n'); 1032 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1033 } 1034 out.flush(); 1035 file.finishWrite(f); 1036 } catch (IOException e) { 1037 if (f != null) { 1038 file.failWrite(f); 1039 } 1040 Log.e(TAG, "Failed to write package usage times", e); 1041 } 1042 } 1043 } 1044 mLastWritten.set(SystemClock.elapsedRealtime()); 1045 } 1046 1047 void readLP() { 1048 synchronized (mFileLock) { 1049 AtomicFile file = getFile(); 1050 BufferedInputStream in = null; 1051 try { 1052 in = new BufferedInputStream(file.openRead()); 1053 StringBuffer sb = new StringBuffer(); 1054 while (true) { 1055 String packageName = readToken(in, sb, ' '); 1056 if (packageName == null) { 1057 break; 1058 } 1059 String timeInMillisString = readToken(in, sb, '\n'); 1060 if (timeInMillisString == null) { 1061 throw new IOException("Failed to find last usage time for package " 1062 + packageName); 1063 } 1064 PackageParser.Package pkg = mPackages.get(packageName); 1065 if (pkg == null) { 1066 continue; 1067 } 1068 long timeInMillis; 1069 try { 1070 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1071 } catch (NumberFormatException e) { 1072 throw new IOException("Failed to parse " + timeInMillisString 1073 + " as a long.", e); 1074 } 1075 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1076 } 1077 } catch (FileNotFoundException expected) { 1078 mIsHistoricalPackageUsageAvailable = false; 1079 } catch (IOException e) { 1080 Log.w(TAG, "Failed to read package usage times", e); 1081 } finally { 1082 IoUtils.closeQuietly(in); 1083 } 1084 } 1085 mLastWritten.set(SystemClock.elapsedRealtime()); 1086 } 1087 1088 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1089 throws IOException { 1090 sb.setLength(0); 1091 while (true) { 1092 int ch = in.read(); 1093 if (ch == -1) { 1094 if (sb.length() == 0) { 1095 return null; 1096 } 1097 throw new IOException("Unexpected EOF"); 1098 } 1099 if (ch == endOfToken) { 1100 return sb.toString(); 1101 } 1102 sb.append((char)ch); 1103 } 1104 } 1105 1106 private AtomicFile getFile() { 1107 File dataDir = Environment.getDataDirectory(); 1108 File systemDir = new File(dataDir, "system"); 1109 File fname = new File(systemDir, "package-usage.list"); 1110 return new AtomicFile(fname); 1111 } 1112 } 1113 1114 class PackageHandler extends Handler { 1115 private boolean mBound = false; 1116 final ArrayList<HandlerParams> mPendingInstalls = 1117 new ArrayList<HandlerParams>(); 1118 1119 private boolean connectToService() { 1120 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1121 " DefaultContainerService"); 1122 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1123 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1124 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1125 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1126 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1127 mBound = true; 1128 return true; 1129 } 1130 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1131 return false; 1132 } 1133 1134 private void disconnectService() { 1135 mContainerService = null; 1136 mBound = false; 1137 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1138 mContext.unbindService(mDefContainerConn); 1139 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1140 } 1141 1142 PackageHandler(Looper looper) { 1143 super(looper); 1144 } 1145 1146 public void handleMessage(Message msg) { 1147 try { 1148 doHandleMessage(msg); 1149 } finally { 1150 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1151 } 1152 } 1153 1154 void doHandleMessage(Message msg) { 1155 switch (msg.what) { 1156 case INIT_COPY: { 1157 HandlerParams params = (HandlerParams) msg.obj; 1158 int idx = mPendingInstalls.size(); 1159 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1160 // If a bind was already initiated we dont really 1161 // need to do anything. The pending install 1162 // will be processed later on. 1163 if (!mBound) { 1164 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1165 System.identityHashCode(mHandler)); 1166 // If this is the only one pending we might 1167 // have to bind to the service again. 1168 if (!connectToService()) { 1169 Slog.e(TAG, "Failed to bind to media container service"); 1170 params.serviceError(); 1171 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1172 System.identityHashCode(mHandler)); 1173 if (params.traceMethod != null) { 1174 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1175 params.traceCookie); 1176 } 1177 return; 1178 } else { 1179 // Once we bind to the service, the first 1180 // pending request will be processed. 1181 mPendingInstalls.add(idx, params); 1182 } 1183 } else { 1184 mPendingInstalls.add(idx, params); 1185 // Already bound to the service. Just make 1186 // sure we trigger off processing the first request. 1187 if (idx == 0) { 1188 mHandler.sendEmptyMessage(MCS_BOUND); 1189 } 1190 } 1191 break; 1192 } 1193 case MCS_BOUND: { 1194 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1195 if (msg.obj != null) { 1196 mContainerService = (IMediaContainerService) msg.obj; 1197 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1198 System.identityHashCode(mHandler)); 1199 } 1200 if (mContainerService == null) { 1201 if (!mBound) { 1202 // Something seriously wrong since we are not bound and we are not 1203 // waiting for connection. Bail out. 1204 Slog.e(TAG, "Cannot bind to media container service"); 1205 for (HandlerParams params : mPendingInstalls) { 1206 // Indicate service bind error 1207 params.serviceError(); 1208 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1209 System.identityHashCode(params)); 1210 if (params.traceMethod != null) { 1211 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1212 params.traceMethod, params.traceCookie); 1213 } 1214 return; 1215 } 1216 mPendingInstalls.clear(); 1217 } else { 1218 Slog.w(TAG, "Waiting to connect to media container service"); 1219 } 1220 } else if (mPendingInstalls.size() > 0) { 1221 HandlerParams params = mPendingInstalls.get(0); 1222 if (params != null) { 1223 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1224 System.identityHashCode(params)); 1225 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1226 if (params.startCopy()) { 1227 // We are done... look for more work or to 1228 // go idle. 1229 if (DEBUG_SD_INSTALL) Log.i(TAG, 1230 "Checking for more work or unbind..."); 1231 // Delete pending install 1232 if (mPendingInstalls.size() > 0) { 1233 mPendingInstalls.remove(0); 1234 } 1235 if (mPendingInstalls.size() == 0) { 1236 if (mBound) { 1237 if (DEBUG_SD_INSTALL) Log.i(TAG, 1238 "Posting delayed MCS_UNBIND"); 1239 removeMessages(MCS_UNBIND); 1240 Message ubmsg = obtainMessage(MCS_UNBIND); 1241 // Unbind after a little delay, to avoid 1242 // continual thrashing. 1243 sendMessageDelayed(ubmsg, 10000); 1244 } 1245 } else { 1246 // There are more pending requests in queue. 1247 // Just post MCS_BOUND message to trigger processing 1248 // of next pending install. 1249 if (DEBUG_SD_INSTALL) Log.i(TAG, 1250 "Posting MCS_BOUND for next work"); 1251 mHandler.sendEmptyMessage(MCS_BOUND); 1252 } 1253 } 1254 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1255 } 1256 } else { 1257 // Should never happen ideally. 1258 Slog.w(TAG, "Empty queue"); 1259 } 1260 break; 1261 } 1262 case MCS_RECONNECT: { 1263 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1264 if (mPendingInstalls.size() > 0) { 1265 if (mBound) { 1266 disconnectService(); 1267 } 1268 if (!connectToService()) { 1269 Slog.e(TAG, "Failed to bind to media container service"); 1270 for (HandlerParams params : mPendingInstalls) { 1271 // Indicate service bind error 1272 params.serviceError(); 1273 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1274 System.identityHashCode(params)); 1275 } 1276 mPendingInstalls.clear(); 1277 } 1278 } 1279 break; 1280 } 1281 case MCS_UNBIND: { 1282 // If there is no actual work left, then time to unbind. 1283 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1284 1285 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1286 if (mBound) { 1287 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1288 1289 disconnectService(); 1290 } 1291 } else if (mPendingInstalls.size() > 0) { 1292 // There are more pending requests in queue. 1293 // Just post MCS_BOUND message to trigger processing 1294 // of next pending install. 1295 mHandler.sendEmptyMessage(MCS_BOUND); 1296 } 1297 1298 break; 1299 } 1300 case MCS_GIVE_UP: { 1301 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1302 HandlerParams params = mPendingInstalls.remove(0); 1303 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1304 System.identityHashCode(params)); 1305 break; 1306 } 1307 case SEND_PENDING_BROADCAST: { 1308 String packages[]; 1309 ArrayList<String> components[]; 1310 int size = 0; 1311 int uids[]; 1312 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1313 synchronized (mPackages) { 1314 if (mPendingBroadcasts == null) { 1315 return; 1316 } 1317 size = mPendingBroadcasts.size(); 1318 if (size <= 0) { 1319 // Nothing to be done. Just return 1320 return; 1321 } 1322 packages = new String[size]; 1323 components = new ArrayList[size]; 1324 uids = new int[size]; 1325 int i = 0; // filling out the above arrays 1326 1327 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1328 int packageUserId = mPendingBroadcasts.userIdAt(n); 1329 Iterator<Map.Entry<String, ArrayList<String>>> it 1330 = mPendingBroadcasts.packagesForUserId(packageUserId) 1331 .entrySet().iterator(); 1332 while (it.hasNext() && i < size) { 1333 Map.Entry<String, ArrayList<String>> ent = it.next(); 1334 packages[i] = ent.getKey(); 1335 components[i] = ent.getValue(); 1336 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1337 uids[i] = (ps != null) 1338 ? UserHandle.getUid(packageUserId, ps.appId) 1339 : -1; 1340 i++; 1341 } 1342 } 1343 size = i; 1344 mPendingBroadcasts.clear(); 1345 } 1346 // Send broadcasts 1347 for (int i = 0; i < size; i++) { 1348 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1349 } 1350 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1351 break; 1352 } 1353 case START_CLEANING_PACKAGE: { 1354 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1355 final String packageName = (String)msg.obj; 1356 final int userId = msg.arg1; 1357 final boolean andCode = msg.arg2 != 0; 1358 synchronized (mPackages) { 1359 if (userId == UserHandle.USER_ALL) { 1360 int[] users = sUserManager.getUserIds(); 1361 for (int user : users) { 1362 mSettings.addPackageToCleanLPw( 1363 new PackageCleanItem(user, packageName, andCode)); 1364 } 1365 } else { 1366 mSettings.addPackageToCleanLPw( 1367 new PackageCleanItem(userId, packageName, andCode)); 1368 } 1369 } 1370 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1371 startCleaningPackages(); 1372 } break; 1373 case POST_INSTALL: { 1374 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1375 PostInstallData data = mRunningInstalls.get(msg.arg1); 1376 mRunningInstalls.delete(msg.arg1); 1377 boolean deleteOld = false; 1378 1379 if (data != null) { 1380 InstallArgs args = data.args; 1381 PackageInstalledInfo res = data.res; 1382 1383 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1384 final String packageName = res.pkg.applicationInfo.packageName; 1385 res.removedInfo.sendBroadcast(false, true, false); 1386 Bundle extras = new Bundle(1); 1387 extras.putInt(Intent.EXTRA_UID, res.uid); 1388 1389 // Now that we successfully installed the package, grant runtime 1390 // permissions if requested before broadcasting the install. 1391 if ((args.installFlags 1392 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1393 && res.pkg.applicationInfo.targetSdkVersion 1394 >= Build.VERSION_CODES.M) { 1395 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1396 args.installGrantPermissions); 1397 } 1398 1399 // Determine the set of users who are adding this 1400 // package for the first time vs. those who are seeing 1401 // an update. 1402 int[] firstUsers; 1403 int[] updateUsers = new int[0]; 1404 if (res.origUsers == null || res.origUsers.length == 0) { 1405 firstUsers = res.newUsers; 1406 } else { 1407 firstUsers = new int[0]; 1408 for (int i=0; i<res.newUsers.length; i++) { 1409 int user = res.newUsers[i]; 1410 boolean isNew = true; 1411 for (int j=0; j<res.origUsers.length; j++) { 1412 if (res.origUsers[j] == user) { 1413 isNew = false; 1414 break; 1415 } 1416 } 1417 if (isNew) { 1418 int[] newFirst = new int[firstUsers.length+1]; 1419 System.arraycopy(firstUsers, 0, newFirst, 0, 1420 firstUsers.length); 1421 newFirst[firstUsers.length] = user; 1422 firstUsers = newFirst; 1423 } else { 1424 int[] newUpdate = new int[updateUsers.length+1]; 1425 System.arraycopy(updateUsers, 0, newUpdate, 0, 1426 updateUsers.length); 1427 newUpdate[updateUsers.length] = user; 1428 updateUsers = newUpdate; 1429 } 1430 } 1431 } 1432 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1433 packageName, extras, 0, null, null, firstUsers); 1434 final boolean update = res.removedInfo.removedPackage != null; 1435 if (update) { 1436 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1437 } 1438 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1439 packageName, extras, 0, null, null, updateUsers); 1440 if (update) { 1441 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1442 packageName, extras, 0, null, null, updateUsers); 1443 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1444 null, null, 0, packageName, null, updateUsers); 1445 1446 // treat asec-hosted packages like removable media on upgrade 1447 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1448 if (DEBUG_INSTALL) { 1449 Slog.i(TAG, "upgrading pkg " + res.pkg 1450 + " is ASEC-hosted -> AVAILABLE"); 1451 } 1452 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1453 ArrayList<String> pkgList = new ArrayList<String>(1); 1454 pkgList.add(packageName); 1455 sendResourcesChangedBroadcast(true, true, 1456 pkgList,uidArray, null); 1457 } 1458 } 1459 if (res.removedInfo.args != null) { 1460 // Remove the replaced package's older resources safely now 1461 deleteOld = true; 1462 } 1463 1464 // If this app is a browser and it's newly-installed for some 1465 // users, clear any default-browser state in those users 1466 if (firstUsers.length > 0) { 1467 // the app's nature doesn't depend on the user, so we can just 1468 // check its browser nature in any user and generalize. 1469 if (packageIsBrowser(packageName, firstUsers[0])) { 1470 synchronized (mPackages) { 1471 for (int userId : firstUsers) { 1472 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1473 } 1474 } 1475 } 1476 } 1477 // Log current value of "unknown sources" setting 1478 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1479 getUnknownSourcesSettings()); 1480 } 1481 // Force a gc to clear up things 1482 Runtime.getRuntime().gc(); 1483 // We delete after a gc for applications on sdcard. 1484 if (deleteOld) { 1485 synchronized (mInstallLock) { 1486 res.removedInfo.args.doPostDeleteLI(true); 1487 } 1488 } 1489 if (args.observer != null) { 1490 try { 1491 Bundle extras = extrasForInstallResult(res); 1492 args.observer.onPackageInstalled(res.name, res.returnCode, 1493 res.returnMsg, extras); 1494 } catch (RemoteException e) { 1495 Slog.i(TAG, "Observer no longer exists."); 1496 } 1497 } 1498 if (args.traceMethod != null) { 1499 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1500 args.traceCookie); 1501 } 1502 return; 1503 } else { 1504 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1505 } 1506 1507 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1508 } break; 1509 case UPDATED_MEDIA_STATUS: { 1510 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1511 boolean reportStatus = msg.arg1 == 1; 1512 boolean doGc = msg.arg2 == 1; 1513 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1514 if (doGc) { 1515 // Force a gc to clear up stale containers. 1516 Runtime.getRuntime().gc(); 1517 } 1518 if (msg.obj != null) { 1519 @SuppressWarnings("unchecked") 1520 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1521 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1522 // Unload containers 1523 unloadAllContainers(args); 1524 } 1525 if (reportStatus) { 1526 try { 1527 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1528 PackageHelper.getMountService().finishMediaUpdate(); 1529 } catch (RemoteException e) { 1530 Log.e(TAG, "MountService not running?"); 1531 } 1532 } 1533 } break; 1534 case WRITE_SETTINGS: { 1535 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1536 synchronized (mPackages) { 1537 removeMessages(WRITE_SETTINGS); 1538 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1539 mSettings.writeLPr(); 1540 mDirtyUsers.clear(); 1541 } 1542 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1543 } break; 1544 case WRITE_PACKAGE_RESTRICTIONS: { 1545 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1546 synchronized (mPackages) { 1547 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1548 for (int userId : mDirtyUsers) { 1549 mSettings.writePackageRestrictionsLPr(userId); 1550 } 1551 mDirtyUsers.clear(); 1552 } 1553 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1554 } break; 1555 case CHECK_PENDING_VERIFICATION: { 1556 final int verificationId = msg.arg1; 1557 final PackageVerificationState state = mPendingVerification.get(verificationId); 1558 1559 if ((state != null) && !state.timeoutExtended()) { 1560 final InstallArgs args = state.getInstallArgs(); 1561 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1562 1563 Slog.i(TAG, "Verification timed out for " + originUri); 1564 mPendingVerification.remove(verificationId); 1565 1566 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1567 1568 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1569 Slog.i(TAG, "Continuing with installation of " + originUri); 1570 state.setVerifierResponse(Binder.getCallingUid(), 1571 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1572 broadcastPackageVerified(verificationId, originUri, 1573 PackageManager.VERIFICATION_ALLOW, 1574 state.getInstallArgs().getUser()); 1575 try { 1576 ret = args.copyApk(mContainerService, true); 1577 } catch (RemoteException e) { 1578 Slog.e(TAG, "Could not contact the ContainerService"); 1579 } 1580 } else { 1581 broadcastPackageVerified(verificationId, originUri, 1582 PackageManager.VERIFICATION_REJECT, 1583 state.getInstallArgs().getUser()); 1584 } 1585 1586 Trace.asyncTraceEnd( 1587 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1588 1589 processPendingInstall(args, ret); 1590 mHandler.sendEmptyMessage(MCS_UNBIND); 1591 } 1592 break; 1593 } 1594 case PACKAGE_VERIFIED: { 1595 final int verificationId = msg.arg1; 1596 1597 final PackageVerificationState state = mPendingVerification.get(verificationId); 1598 if (state == null) { 1599 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1600 break; 1601 } 1602 1603 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1604 1605 state.setVerifierResponse(response.callerUid, response.code); 1606 1607 if (state.isVerificationComplete()) { 1608 mPendingVerification.remove(verificationId); 1609 1610 final InstallArgs args = state.getInstallArgs(); 1611 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1612 1613 int ret; 1614 if (state.isInstallAllowed()) { 1615 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1616 broadcastPackageVerified(verificationId, originUri, 1617 response.code, state.getInstallArgs().getUser()); 1618 try { 1619 ret = args.copyApk(mContainerService, true); 1620 } catch (RemoteException e) { 1621 Slog.e(TAG, "Could not contact the ContainerService"); 1622 } 1623 } else { 1624 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1625 } 1626 1627 Trace.asyncTraceEnd( 1628 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1629 1630 processPendingInstall(args, ret); 1631 mHandler.sendEmptyMessage(MCS_UNBIND); 1632 } 1633 1634 break; 1635 } 1636 case START_INTENT_FILTER_VERIFICATIONS: { 1637 IFVerificationParams params = (IFVerificationParams) msg.obj; 1638 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1639 params.replacing, params.pkg); 1640 break; 1641 } 1642 case INTENT_FILTER_VERIFIED: { 1643 final int verificationId = msg.arg1; 1644 1645 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1646 verificationId); 1647 if (state == null) { 1648 Slog.w(TAG, "Invalid IntentFilter verification token " 1649 + verificationId + " received"); 1650 break; 1651 } 1652 1653 final int userId = state.getUserId(); 1654 1655 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1656 "Processing IntentFilter verification with token:" 1657 + verificationId + " and userId:" + userId); 1658 1659 final IntentFilterVerificationResponse response = 1660 (IntentFilterVerificationResponse) msg.obj; 1661 1662 state.setVerifierResponse(response.callerUid, response.code); 1663 1664 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1665 "IntentFilter verification with token:" + verificationId 1666 + " and userId:" + userId 1667 + " is settings verifier response with response code:" 1668 + response.code); 1669 1670 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1671 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1672 + response.getFailedDomainsString()); 1673 } 1674 1675 if (state.isVerificationComplete()) { 1676 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1677 } else { 1678 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1679 "IntentFilter verification with token:" + verificationId 1680 + " was not said to be complete"); 1681 } 1682 1683 break; 1684 } 1685 } 1686 } 1687 } 1688 1689 private StorageEventListener mStorageListener = new StorageEventListener() { 1690 @Override 1691 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1692 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1693 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1694 final String volumeUuid = vol.getFsUuid(); 1695 1696 // Clean up any users or apps that were removed or recreated 1697 // while this volume was missing 1698 reconcileUsers(volumeUuid); 1699 reconcileApps(volumeUuid); 1700 1701 // Clean up any install sessions that expired or were 1702 // cancelled while this volume was missing 1703 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1704 1705 loadPrivatePackages(vol); 1706 1707 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1708 unloadPrivatePackages(vol); 1709 } 1710 } 1711 1712 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1713 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1714 updateExternalMediaStatus(true, false); 1715 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1716 updateExternalMediaStatus(false, false); 1717 } 1718 } 1719 } 1720 1721 @Override 1722 public void onVolumeForgotten(String fsUuid) { 1723 if (TextUtils.isEmpty(fsUuid)) { 1724 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1725 return; 1726 } 1727 1728 // Remove any apps installed on the forgotten volume 1729 synchronized (mPackages) { 1730 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1731 for (PackageSetting ps : packages) { 1732 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1733 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1734 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1735 } 1736 1737 mSettings.onVolumeForgotten(fsUuid); 1738 mSettings.writeLPr(); 1739 } 1740 } 1741 }; 1742 1743 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1744 String[] grantedPermissions) { 1745 if (userId >= UserHandle.USER_SYSTEM) { 1746 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1747 } else if (userId == UserHandle.USER_ALL) { 1748 final int[] userIds; 1749 synchronized (mPackages) { 1750 userIds = UserManagerService.getInstance().getUserIds(); 1751 } 1752 for (int someUserId : userIds) { 1753 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1754 } 1755 } 1756 1757 // We could have touched GID membership, so flush out packages.list 1758 synchronized (mPackages) { 1759 mSettings.writePackageListLPr(); 1760 } 1761 } 1762 1763 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1764 String[] grantedPermissions) { 1765 SettingBase sb = (SettingBase) pkg.mExtras; 1766 if (sb == null) { 1767 return; 1768 } 1769 1770 PermissionsState permissionsState = sb.getPermissionsState(); 1771 1772 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1773 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1774 1775 synchronized (mPackages) { 1776 for (String permission : pkg.requestedPermissions) { 1777 BasePermission bp = mSettings.mPermissions.get(permission); 1778 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1779 && (grantedPermissions == null 1780 || ArrayUtils.contains(grantedPermissions, permission))) { 1781 final int flags = permissionsState.getPermissionFlags(permission, userId); 1782 // Installer cannot change immutable permissions. 1783 if ((flags & immutableFlags) == 0) { 1784 grantRuntimePermission(pkg.packageName, permission, userId); 1785 } 1786 } 1787 } 1788 } 1789 } 1790 1791 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1792 Bundle extras = null; 1793 switch (res.returnCode) { 1794 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1795 extras = new Bundle(); 1796 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1797 res.origPermission); 1798 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1799 res.origPackage); 1800 break; 1801 } 1802 case PackageManager.INSTALL_SUCCEEDED: { 1803 extras = new Bundle(); 1804 extras.putBoolean(Intent.EXTRA_REPLACING, 1805 res.removedInfo != null && res.removedInfo.removedPackage != null); 1806 break; 1807 } 1808 } 1809 return extras; 1810 } 1811 1812 void scheduleWriteSettingsLocked() { 1813 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1814 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1815 } 1816 } 1817 1818 void scheduleWritePackageRestrictionsLocked(int userId) { 1819 if (!sUserManager.exists(userId)) return; 1820 mDirtyUsers.add(userId); 1821 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1822 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1823 } 1824 } 1825 1826 public static PackageManagerService main(Context context, Installer installer, 1827 boolean factoryTest, boolean onlyCore) { 1828 PackageManagerService m = new PackageManagerService(context, installer, 1829 factoryTest, onlyCore); 1830 m.enableSystemUserApps(); 1831 ServiceManager.addService("package", m); 1832 return m; 1833 } 1834 1835 private void enableSystemUserApps() { 1836 if (!UserManager.isSplitSystemUser()) { 1837 return; 1838 } 1839 // For system user, enable apps based on the following conditions: 1840 // - app is whitelisted or belong to one of these groups: 1841 // -- system app which has no launcher icons 1842 // -- system app which has INTERACT_ACROSS_USERS permission 1843 // -- system IME app 1844 // - app is not in the blacklist 1845 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1846 Set<String> enableApps = new ArraySet<>(); 1847 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1848 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1849 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1850 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1851 enableApps.addAll(wlApps); 1852 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1853 enableApps.removeAll(blApps); 1854 1855 List<String> systemApps = queryHelper.queryApps(0, /* systemAppsOnly */ true, 1856 UserHandle.SYSTEM); 1857 final int systemAppsSize = systemApps.size(); 1858 synchronized (mPackages) { 1859 for (int i = 0; i < systemAppsSize; i++) { 1860 String pName = systemApps.get(i); 1861 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1862 // Should not happen, but we shouldn't be failing if it does 1863 if (pkgSetting == null) { 1864 continue; 1865 } 1866 boolean installed = enableApps.contains(pName); 1867 pkgSetting.setInstalled(installed, UserHandle.USER_SYSTEM); 1868 } 1869 } 1870 } 1871 1872 static String[] splitString(String str, char sep) { 1873 int count = 1; 1874 int i = 0; 1875 while ((i=str.indexOf(sep, i)) >= 0) { 1876 count++; 1877 i++; 1878 } 1879 1880 String[] res = new String[count]; 1881 i=0; 1882 count = 0; 1883 int lastI=0; 1884 while ((i=str.indexOf(sep, i)) >= 0) { 1885 res[count] = str.substring(lastI, i); 1886 count++; 1887 i++; 1888 lastI = i; 1889 } 1890 res[count] = str.substring(lastI, str.length()); 1891 return res; 1892 } 1893 1894 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1895 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1896 Context.DISPLAY_SERVICE); 1897 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1898 } 1899 1900 public PackageManagerService(Context context, Installer installer, 1901 boolean factoryTest, boolean onlyCore) { 1902 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1903 SystemClock.uptimeMillis()); 1904 1905 if (mSdkVersion <= 0) { 1906 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1907 } 1908 1909 mContext = context; 1910 mFactoryTest = factoryTest; 1911 mOnlyCore = onlyCore; 1912 mMetrics = new DisplayMetrics(); 1913 mSettings = new Settings(mPackages); 1914 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1915 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1916 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1917 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1918 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1919 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1920 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1921 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1922 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1923 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1924 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1925 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1926 1927 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1928 if (separateProcesses != null && separateProcesses.length() > 0) { 1929 if ("*".equals(separateProcesses)) { 1930 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1931 mSeparateProcesses = null; 1932 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1933 } else { 1934 mDefParseFlags = 0; 1935 mSeparateProcesses = separateProcesses.split(","); 1936 Slog.w(TAG, "Running with debug.separate_processes: " 1937 + separateProcesses); 1938 } 1939 } else { 1940 mDefParseFlags = 0; 1941 mSeparateProcesses = null; 1942 } 1943 1944 mInstaller = installer; 1945 mPackageDexOptimizer = new PackageDexOptimizer(this); 1946 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1947 1948 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1949 FgThread.get().getLooper()); 1950 1951 getDefaultDisplayMetrics(context, mMetrics); 1952 1953 SystemConfig systemConfig = SystemConfig.getInstance(); 1954 mGlobalGids = systemConfig.getGlobalGids(); 1955 mSystemPermissions = systemConfig.getSystemPermissions(); 1956 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1957 1958 synchronized (mInstallLock) { 1959 // writer 1960 synchronized (mPackages) { 1961 mHandlerThread = new ServiceThread(TAG, 1962 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1963 mHandlerThread.start(); 1964 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1965 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1966 1967 File dataDir = Environment.getDataDirectory(); 1968 mAppDataDir = new File(dataDir, "data"); 1969 mAppInstallDir = new File(dataDir, "app"); 1970 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1971 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1972 mUserAppDataDir = new File(dataDir, "user"); 1973 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1974 1975 sUserManager = new UserManagerService(context, this, mPackages); 1976 1977 // Propagate permission configuration in to package manager. 1978 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1979 = systemConfig.getPermissions(); 1980 for (int i=0; i<permConfig.size(); i++) { 1981 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1982 BasePermission bp = mSettings.mPermissions.get(perm.name); 1983 if (bp == null) { 1984 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1985 mSettings.mPermissions.put(perm.name, bp); 1986 } 1987 if (perm.gids != null) { 1988 bp.setGids(perm.gids, perm.perUser); 1989 } 1990 } 1991 1992 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1993 for (int i=0; i<libConfig.size(); i++) { 1994 mSharedLibraries.put(libConfig.keyAt(i), 1995 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1996 } 1997 1998 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1999 2000 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2001 2002 String customResolverActivity = Resources.getSystem().getString( 2003 R.string.config_customResolverActivity); 2004 if (TextUtils.isEmpty(customResolverActivity)) { 2005 customResolverActivity = null; 2006 } else { 2007 mCustomResolverComponentName = ComponentName.unflattenFromString( 2008 customResolverActivity); 2009 } 2010 2011 long startTime = SystemClock.uptimeMillis(); 2012 2013 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2014 startTime); 2015 2016 // Set flag to monitor and not change apk file paths when 2017 // scanning install directories. 2018 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2019 2020 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2021 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2022 2023 if (bootClassPath == null) { 2024 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2025 } 2026 2027 if (systemServerClassPath == null) { 2028 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2029 } 2030 2031 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2032 final String[] dexCodeInstructionSets = 2033 getDexCodeInstructionSets( 2034 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2035 2036 /** 2037 * Ensure all external libraries have had dexopt run on them. 2038 */ 2039 if (mSharedLibraries.size() > 0) { 2040 // NOTE: For now, we're compiling these system "shared libraries" 2041 // (and framework jars) into all available architectures. It's possible 2042 // to compile them only when we come across an app that uses them (there's 2043 // already logic for that in scanPackageLI) but that adds some complexity. 2044 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2045 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2046 final String lib = libEntry.path; 2047 if (lib == null) { 2048 continue; 2049 } 2050 2051 try { 2052 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2053 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2054 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2055 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2056 } 2057 } catch (FileNotFoundException e) { 2058 Slog.w(TAG, "Library not found: " + lib); 2059 } catch (IOException e) { 2060 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2061 + e.getMessage()); 2062 } 2063 } 2064 } 2065 } 2066 2067 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2068 2069 final VersionInfo ver = mSettings.getInternalVersion(); 2070 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2071 // when upgrading from pre-M, promote system app permissions from install to runtime 2072 mPromoteSystemApps = 2073 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2074 2075 // save off the names of pre-existing system packages prior to scanning; we don't 2076 // want to automatically grant runtime permissions for new system apps 2077 if (mPromoteSystemApps) { 2078 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2079 while (pkgSettingIter.hasNext()) { 2080 PackageSetting ps = pkgSettingIter.next(); 2081 if (isSystemApp(ps)) { 2082 mExistingSystemPackages.add(ps.name); 2083 } 2084 } 2085 } 2086 2087 // Collect vendor overlay packages. 2088 // (Do this before scanning any apps.) 2089 // For security and version matching reason, only consider 2090 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2091 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2092 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2093 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2094 2095 // Find base frameworks (resource packages without code). 2096 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2097 | PackageParser.PARSE_IS_SYSTEM_DIR 2098 | PackageParser.PARSE_IS_PRIVILEGED, 2099 scanFlags | SCAN_NO_DEX, 0); 2100 2101 // Collected privileged system packages. 2102 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2103 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2104 | PackageParser.PARSE_IS_SYSTEM_DIR 2105 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2106 2107 // Collect ordinary system packages. 2108 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2109 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2110 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2111 2112 // Collect all vendor packages. 2113 File vendorAppDir = new File("/vendor/app"); 2114 try { 2115 vendorAppDir = vendorAppDir.getCanonicalFile(); 2116 } catch (IOException e) { 2117 // failed to look up canonical path, continue with original one 2118 } 2119 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2120 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2121 2122 // Collect all OEM packages. 2123 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2124 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2125 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2126 2127 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2128 mInstaller.moveFiles(); 2129 2130 // Prune any system packages that no longer exist. 2131 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2132 if (!mOnlyCore) { 2133 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2134 while (psit.hasNext()) { 2135 PackageSetting ps = psit.next(); 2136 2137 /* 2138 * If this is not a system app, it can't be a 2139 * disable system app. 2140 */ 2141 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2142 continue; 2143 } 2144 2145 /* 2146 * If the package is scanned, it's not erased. 2147 */ 2148 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2149 if (scannedPkg != null) { 2150 /* 2151 * If the system app is both scanned and in the 2152 * disabled packages list, then it must have been 2153 * added via OTA. Remove it from the currently 2154 * scanned package so the previously user-installed 2155 * application can be scanned. 2156 */ 2157 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2158 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2159 + ps.name + "; removing system app. Last known codePath=" 2160 + ps.codePathString + ", installStatus=" + ps.installStatus 2161 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2162 + scannedPkg.mVersionCode); 2163 removePackageLI(ps, true); 2164 mExpectingBetter.put(ps.name, ps.codePath); 2165 } 2166 2167 continue; 2168 } 2169 2170 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2171 psit.remove(); 2172 logCriticalInfo(Log.WARN, "System package " + ps.name 2173 + " no longer exists; wiping its data"); 2174 removeDataDirsLI(null, ps.name); 2175 } else { 2176 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2177 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2178 possiblyDeletedUpdatedSystemApps.add(ps.name); 2179 } 2180 } 2181 } 2182 } 2183 2184 //look for any incomplete package installations 2185 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2186 //clean up list 2187 for(int i = 0; i < deletePkgsList.size(); i++) { 2188 //clean up here 2189 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2190 } 2191 //delete tmp files 2192 deleteTempPackageFiles(); 2193 2194 // Remove any shared userIDs that have no associated packages 2195 mSettings.pruneSharedUsersLPw(); 2196 2197 if (!mOnlyCore) { 2198 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2199 SystemClock.uptimeMillis()); 2200 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2201 2202 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2203 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2204 2205 /** 2206 * Remove disable package settings for any updated system 2207 * apps that were removed via an OTA. If they're not a 2208 * previously-updated app, remove them completely. 2209 * Otherwise, just revoke their system-level permissions. 2210 */ 2211 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2212 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2213 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2214 2215 String msg; 2216 if (deletedPkg == null) { 2217 msg = "Updated system package " + deletedAppName 2218 + " no longer exists; wiping its data"; 2219 removeDataDirsLI(null, deletedAppName); 2220 } else { 2221 msg = "Updated system app + " + deletedAppName 2222 + " no longer present; removing system privileges for " 2223 + deletedAppName; 2224 2225 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2226 2227 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2228 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2229 } 2230 logCriticalInfo(Log.WARN, msg); 2231 } 2232 2233 /** 2234 * Make sure all system apps that we expected to appear on 2235 * the userdata partition actually showed up. If they never 2236 * appeared, crawl back and revive the system version. 2237 */ 2238 for (int i = 0; i < mExpectingBetter.size(); i++) { 2239 final String packageName = mExpectingBetter.keyAt(i); 2240 if (!mPackages.containsKey(packageName)) { 2241 final File scanFile = mExpectingBetter.valueAt(i); 2242 2243 logCriticalInfo(Log.WARN, "Expected better " + packageName 2244 + " but never showed up; reverting to system"); 2245 2246 final int reparseFlags; 2247 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2248 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2249 | PackageParser.PARSE_IS_SYSTEM_DIR 2250 | PackageParser.PARSE_IS_PRIVILEGED; 2251 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2252 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2253 | PackageParser.PARSE_IS_SYSTEM_DIR; 2254 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2255 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2256 | PackageParser.PARSE_IS_SYSTEM_DIR; 2257 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2258 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2259 | PackageParser.PARSE_IS_SYSTEM_DIR; 2260 } else { 2261 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2262 continue; 2263 } 2264 2265 mSettings.enableSystemPackageLPw(packageName); 2266 2267 try { 2268 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2269 } catch (PackageManagerException e) { 2270 Slog.e(TAG, "Failed to parse original system package: " 2271 + e.getMessage()); 2272 } 2273 } 2274 } 2275 } 2276 mExpectingBetter.clear(); 2277 2278 // Now that we know all of the shared libraries, update all clients to have 2279 // the correct library paths. 2280 updateAllSharedLibrariesLPw(); 2281 2282 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2283 // NOTE: We ignore potential failures here during a system scan (like 2284 // the rest of the commands above) because there's precious little we 2285 // can do about it. A settings error is reported, though. 2286 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2287 false /* boot complete */); 2288 } 2289 2290 // Now that we know all the packages we are keeping, 2291 // read and update their last usage times. 2292 mPackageUsage.readLP(); 2293 2294 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2295 SystemClock.uptimeMillis()); 2296 Slog.i(TAG, "Time to scan packages: " 2297 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2298 + " seconds"); 2299 2300 // If the platform SDK has changed since the last time we booted, 2301 // we need to re-grant app permission to catch any new ones that 2302 // appear. This is really a hack, and means that apps can in some 2303 // cases get permissions that the user didn't initially explicitly 2304 // allow... it would be nice to have some better way to handle 2305 // this situation. 2306 int updateFlags = UPDATE_PERMISSIONS_ALL; 2307 if (ver.sdkVersion != mSdkVersion) { 2308 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2309 + mSdkVersion + "; regranting permissions for internal storage"); 2310 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2311 } 2312 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2313 ver.sdkVersion = mSdkVersion; 2314 2315 // If this is the first boot or an update from pre-M, and it is a normal 2316 // boot, then we need to initialize the default preferred apps across 2317 // all defined users. 2318 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2319 for (UserInfo user : sUserManager.getUsers(true)) { 2320 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2321 applyFactoryDefaultBrowserLPw(user.id); 2322 primeDomainVerificationsLPw(user.id); 2323 } 2324 } 2325 2326 // If this is first boot after an OTA, and a normal boot, then 2327 // we need to clear code cache directories. 2328 if (mIsUpgrade && !onlyCore) { 2329 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2330 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2331 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2332 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2333 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2334 } 2335 } 2336 ver.fingerprint = Build.FINGERPRINT; 2337 } 2338 2339 checkDefaultBrowser(); 2340 2341 // clear only after permissions and other defaults have been updated 2342 mExistingSystemPackages.clear(); 2343 mPromoteSystemApps = false; 2344 2345 // All the changes are done during package scanning. 2346 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2347 2348 // can downgrade to reader 2349 mSettings.writeLPr(); 2350 2351 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2352 SystemClock.uptimeMillis()); 2353 2354 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2355 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2356 2357 mInstallerService = new PackageInstallerService(context, this); 2358 2359 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2360 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2361 mIntentFilterVerifierComponent); 2362 2363 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2364 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2365 // both the installer and resolver must be present to enable ephemeral 2366 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2367 if (DEBUG_EPHEMERAL) { 2368 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2369 + " installer:" + ephemeralInstallerComponent); 2370 } 2371 mEphemeralResolverComponent = ephemeralResolverComponent; 2372 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2373 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2374 mEphemeralResolverConnection = 2375 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2376 } else { 2377 if (DEBUG_EPHEMERAL) { 2378 final String missingComponent = 2379 (ephemeralResolverComponent == null) 2380 ? (ephemeralInstallerComponent == null) 2381 ? "resolver and installer" 2382 : "resolver" 2383 : "installer"; 2384 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2385 } 2386 mEphemeralResolverComponent = null; 2387 mEphemeralInstallerComponent = null; 2388 mEphemeralResolverConnection = null; 2389 } 2390 } // synchronized (mPackages) 2391 } // synchronized (mInstallLock) 2392 2393 // Now after opening every single application zip, make sure they 2394 // are all flushed. Not really needed, but keeps things nice and 2395 // tidy. 2396 Runtime.getRuntime().gc(); 2397 2398 // The initial scanning above does many calls into installd while 2399 // holding the mPackages lock, but we're mostly interested in yelling 2400 // once we have a booted system. 2401 mInstaller.setWarnIfHeld(mPackages); 2402 2403 // Expose private service for system components to use. 2404 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2405 } 2406 2407 @Override 2408 public boolean isFirstBoot() { 2409 return !mRestoredSettings; 2410 } 2411 2412 @Override 2413 public boolean isOnlyCoreApps() { 2414 return mOnlyCore; 2415 } 2416 2417 @Override 2418 public boolean isUpgrade() { 2419 return mIsUpgrade; 2420 } 2421 2422 private String getRequiredVerifierLPr() { 2423 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2424 // We only care about verifier that's installed under system user. 2425 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2426 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2427 2428 String requiredVerifier = null; 2429 2430 final int N = receivers.size(); 2431 for (int i = 0; i < N; i++) { 2432 final ResolveInfo info = receivers.get(i); 2433 2434 if (info.activityInfo == null) { 2435 continue; 2436 } 2437 2438 final String packageName = info.activityInfo.packageName; 2439 2440 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2441 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2442 continue; 2443 } 2444 2445 if (requiredVerifier != null) { 2446 throw new RuntimeException("There can be only one required verifier"); 2447 } 2448 2449 requiredVerifier = packageName; 2450 } 2451 2452 return requiredVerifier; 2453 } 2454 2455 private String getRequiredInstallerLPr() { 2456 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2457 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2458 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2459 2460 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2461 PACKAGE_MIME_TYPE, 0, UserHandle.USER_SYSTEM); 2462 2463 String requiredInstaller = null; 2464 2465 final int N = installers.size(); 2466 for (int i = 0; i < N; i++) { 2467 final ResolveInfo info = installers.get(i); 2468 final String packageName = info.activityInfo.packageName; 2469 2470 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2471 continue; 2472 } 2473 2474 if (requiredInstaller != null) { 2475 throw new RuntimeException("There must be one required installer"); 2476 } 2477 2478 requiredInstaller = packageName; 2479 } 2480 2481 if (requiredInstaller == null) { 2482 throw new RuntimeException("There must be one required installer"); 2483 } 2484 2485 return requiredInstaller; 2486 } 2487 2488 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2489 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2490 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2491 PackageManager.GET_DISABLED_COMPONENTS, UserHandle.USER_SYSTEM); 2492 2493 ComponentName verifierComponentName = null; 2494 2495 int priority = -1000; 2496 final int N = receivers.size(); 2497 for (int i = 0; i < N; i++) { 2498 final ResolveInfo info = receivers.get(i); 2499 2500 if (info.activityInfo == null) { 2501 continue; 2502 } 2503 2504 final String packageName = info.activityInfo.packageName; 2505 2506 final PackageSetting ps = mSettings.mPackages.get(packageName); 2507 if (ps == null) { 2508 continue; 2509 } 2510 2511 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2512 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2513 continue; 2514 } 2515 2516 // Select the IntentFilterVerifier with the highest priority 2517 if (priority < info.priority) { 2518 priority = info.priority; 2519 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2520 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2521 + verifierComponentName + " with priority: " + info.priority); 2522 } 2523 } 2524 2525 return verifierComponentName; 2526 } 2527 2528 private ComponentName getEphemeralResolverLPr() { 2529 final String[] packageArray = 2530 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2531 if (packageArray.length == 0) { 2532 if (DEBUG_EPHEMERAL) { 2533 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2534 } 2535 return null; 2536 } 2537 2538 Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2539 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, 2540 null /*resolvedType*/, 0 /*flags*/, UserHandle.USER_SYSTEM); 2541 2542 final int N = resolvers.size(); 2543 if (N == 0) { 2544 if (DEBUG_EPHEMERAL) { 2545 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2546 } 2547 return null; 2548 } 2549 2550 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2551 for (int i = 0; i < N; i++) { 2552 final ResolveInfo info = resolvers.get(i); 2553 2554 if (info.serviceInfo == null) { 2555 continue; 2556 } 2557 2558 final String packageName = info.serviceInfo.packageName; 2559 if (!possiblePackages.contains(packageName)) { 2560 if (DEBUG_EPHEMERAL) { 2561 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2562 + " pkg: " + packageName + ", info:" + info); 2563 } 2564 continue; 2565 } 2566 2567 if (DEBUG_EPHEMERAL) { 2568 Slog.v(TAG, "Ephemeral resolver found;" 2569 + " pkg: " + packageName + ", info:" + info); 2570 } 2571 return new ComponentName(packageName, info.serviceInfo.name); 2572 } 2573 if (DEBUG_EPHEMERAL) { 2574 Slog.v(TAG, "Ephemeral resolver NOT found"); 2575 } 2576 return null; 2577 } 2578 2579 private ComponentName getEphemeralInstallerLPr() { 2580 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2581 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2582 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2583 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2584 PACKAGE_MIME_TYPE, 0 /*flags*/, 0 /*userId*/); 2585 2586 ComponentName ephemeralInstaller = null; 2587 2588 final int N = installers.size(); 2589 for (int i = 0; i < N; i++) { 2590 final ResolveInfo info = installers.get(i); 2591 final String packageName = info.activityInfo.packageName; 2592 2593 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2594 if (DEBUG_EPHEMERAL) { 2595 Slog.d(TAG, "Ephemeral installer is not system app;" 2596 + " pkg: " + packageName + ", info:" + info); 2597 } 2598 continue; 2599 } 2600 2601 if (ephemeralInstaller != null) { 2602 throw new RuntimeException("There must only be one ephemeral installer"); 2603 } 2604 2605 ephemeralInstaller = new ComponentName(packageName, info.activityInfo.name); 2606 } 2607 2608 return ephemeralInstaller; 2609 } 2610 2611 private void primeDomainVerificationsLPw(int userId) { 2612 if (DEBUG_DOMAIN_VERIFICATION) { 2613 Slog.d(TAG, "Priming domain verifications in user " + userId); 2614 } 2615 2616 SystemConfig systemConfig = SystemConfig.getInstance(); 2617 ArraySet<String> packages = systemConfig.getLinkedApps(); 2618 ArraySet<String> domains = new ArraySet<String>(); 2619 2620 for (String packageName : packages) { 2621 PackageParser.Package pkg = mPackages.get(packageName); 2622 if (pkg != null) { 2623 if (!pkg.isSystemApp()) { 2624 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2625 continue; 2626 } 2627 2628 domains.clear(); 2629 for (PackageParser.Activity a : pkg.activities) { 2630 for (ActivityIntentInfo filter : a.intents) { 2631 if (hasValidDomains(filter)) { 2632 domains.addAll(filter.getHostsList()); 2633 } 2634 } 2635 } 2636 2637 if (domains.size() > 0) { 2638 if (DEBUG_DOMAIN_VERIFICATION) { 2639 Slog.v(TAG, " + " + packageName); 2640 } 2641 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2642 // state w.r.t. the formal app-linkage "no verification attempted" state; 2643 // and then 'always' in the per-user state actually used for intent resolution. 2644 final IntentFilterVerificationInfo ivi; 2645 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2646 new ArrayList<String>(domains)); 2647 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2648 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2649 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2650 } else { 2651 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2652 + "' does not handle web links"); 2653 } 2654 } else { 2655 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2656 } 2657 } 2658 2659 scheduleWritePackageRestrictionsLocked(userId); 2660 scheduleWriteSettingsLocked(); 2661 } 2662 2663 private void applyFactoryDefaultBrowserLPw(int userId) { 2664 // The default browser app's package name is stored in a string resource, 2665 // with a product-specific overlay used for vendor customization. 2666 String browserPkg = mContext.getResources().getString( 2667 com.android.internal.R.string.default_browser); 2668 if (!TextUtils.isEmpty(browserPkg)) { 2669 // non-empty string => required to be a known package 2670 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2671 if (ps == null) { 2672 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2673 browserPkg = null; 2674 } else { 2675 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2676 } 2677 } 2678 2679 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2680 // default. If there's more than one, just leave everything alone. 2681 if (browserPkg == null) { 2682 calculateDefaultBrowserLPw(userId); 2683 } 2684 } 2685 2686 private void calculateDefaultBrowserLPw(int userId) { 2687 List<String> allBrowsers = resolveAllBrowserApps(userId); 2688 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2689 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2690 } 2691 2692 private List<String> resolveAllBrowserApps(int userId) { 2693 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2694 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2695 PackageManager.MATCH_ALL, userId); 2696 2697 final int count = list.size(); 2698 List<String> result = new ArrayList<String>(count); 2699 for (int i=0; i<count; i++) { 2700 ResolveInfo info = list.get(i); 2701 if (info.activityInfo == null 2702 || !info.handleAllWebDataURI 2703 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2704 || result.contains(info.activityInfo.packageName)) { 2705 continue; 2706 } 2707 result.add(info.activityInfo.packageName); 2708 } 2709 2710 return result; 2711 } 2712 2713 private boolean packageIsBrowser(String packageName, int userId) { 2714 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2715 PackageManager.MATCH_ALL, userId); 2716 final int N = list.size(); 2717 for (int i = 0; i < N; i++) { 2718 ResolveInfo info = list.get(i); 2719 if (packageName.equals(info.activityInfo.packageName)) { 2720 return true; 2721 } 2722 } 2723 return false; 2724 } 2725 2726 private void checkDefaultBrowser() { 2727 final int myUserId = UserHandle.myUserId(); 2728 final String packageName = getDefaultBrowserPackageName(myUserId); 2729 if (packageName != null) { 2730 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2731 if (info == null) { 2732 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2733 synchronized (mPackages) { 2734 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2735 } 2736 } 2737 } 2738 } 2739 2740 @Override 2741 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2742 throws RemoteException { 2743 try { 2744 return super.onTransact(code, data, reply, flags); 2745 } catch (RuntimeException e) { 2746 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2747 Slog.wtf(TAG, "Package Manager Crash", e); 2748 } 2749 throw e; 2750 } 2751 } 2752 2753 void cleanupInstallFailedPackage(PackageSetting ps) { 2754 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2755 2756 removeDataDirsLI(ps.volumeUuid, ps.name); 2757 if (ps.codePath != null) { 2758 if (ps.codePath.isDirectory()) { 2759 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2760 } else { 2761 ps.codePath.delete(); 2762 } 2763 } 2764 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2765 if (ps.resourcePath.isDirectory()) { 2766 FileUtils.deleteContents(ps.resourcePath); 2767 } 2768 ps.resourcePath.delete(); 2769 } 2770 mSettings.removePackageLPw(ps.name); 2771 } 2772 2773 static int[] appendInts(int[] cur, int[] add) { 2774 if (add == null) return cur; 2775 if (cur == null) return add; 2776 final int N = add.length; 2777 for (int i=0; i<N; i++) { 2778 cur = appendInt(cur, add[i]); 2779 } 2780 return cur; 2781 } 2782 2783 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2784 if (!sUserManager.exists(userId)) return null; 2785 final PackageSetting ps = (PackageSetting) p.mExtras; 2786 if (ps == null) { 2787 return null; 2788 } 2789 2790 final PermissionsState permissionsState = ps.getPermissionsState(); 2791 2792 final int[] gids = permissionsState.computeGids(userId); 2793 final Set<String> permissions = permissionsState.getPermissions(userId); 2794 final PackageUserState state = ps.readUserState(userId); 2795 2796 return PackageParser.generatePackageInfo(p, gids, flags, 2797 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2798 } 2799 2800 @Override 2801 public void checkPackageStartable(String packageName, int userId) { 2802 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2803 2804 synchronized (mPackages) { 2805 final PackageSetting ps = mSettings.mPackages.get(packageName); 2806 if (ps == null) { 2807 throw new SecurityException("Package " + packageName + " was not found!"); 2808 } 2809 2810 if (ps.frozen) { 2811 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2812 } 2813 2814 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2815 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2816 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2817 } 2818 } 2819 } 2820 2821 @Override 2822 public boolean isPackageAvailable(String packageName, int userId) { 2823 if (!sUserManager.exists(userId)) return false; 2824 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2825 synchronized (mPackages) { 2826 PackageParser.Package p = mPackages.get(packageName); 2827 if (p != null) { 2828 final PackageSetting ps = (PackageSetting) p.mExtras; 2829 if (ps != null) { 2830 final PackageUserState state = ps.readUserState(userId); 2831 if (state != null) { 2832 return PackageParser.isAvailable(state); 2833 } 2834 } 2835 } 2836 } 2837 return false; 2838 } 2839 2840 @Override 2841 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2842 if (!sUserManager.exists(userId)) return null; 2843 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2844 // reader 2845 synchronized (mPackages) { 2846 PackageParser.Package p = mPackages.get(packageName); 2847 if (DEBUG_PACKAGE_INFO) 2848 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2849 if (p != null) { 2850 return generatePackageInfo(p, flags, userId); 2851 } 2852 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2853 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2854 } 2855 } 2856 return null; 2857 } 2858 2859 @Override 2860 public String[] currentToCanonicalPackageNames(String[] names) { 2861 String[] out = new String[names.length]; 2862 // reader 2863 synchronized (mPackages) { 2864 for (int i=names.length-1; i>=0; i--) { 2865 PackageSetting ps = mSettings.mPackages.get(names[i]); 2866 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2867 } 2868 } 2869 return out; 2870 } 2871 2872 @Override 2873 public String[] canonicalToCurrentPackageNames(String[] names) { 2874 String[] out = new String[names.length]; 2875 // reader 2876 synchronized (mPackages) { 2877 for (int i=names.length-1; i>=0; i--) { 2878 String cur = mSettings.mRenamedPackages.get(names[i]); 2879 out[i] = cur != null ? cur : names[i]; 2880 } 2881 } 2882 return out; 2883 } 2884 2885 @Override 2886 public int getPackageUid(String packageName, int userId) { 2887 return getPackageUidEtc(packageName, 0, userId); 2888 } 2889 2890 @Override 2891 public int getPackageUidEtc(String packageName, int flags, int userId) { 2892 if (!sUserManager.exists(userId)) return -1; 2893 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2894 2895 // reader 2896 synchronized (mPackages) { 2897 final PackageParser.Package p = mPackages.get(packageName); 2898 if (p != null) { 2899 return UserHandle.getUid(userId, p.applicationInfo.uid); 2900 } 2901 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2902 final PackageSetting ps = mSettings.mPackages.get(packageName); 2903 if (ps != null) { 2904 return UserHandle.getUid(userId, ps.appId); 2905 } 2906 } 2907 } 2908 2909 return -1; 2910 } 2911 2912 @Override 2913 public int[] getPackageGids(String packageName, int userId) { 2914 return getPackageGidsEtc(packageName, 0, userId); 2915 } 2916 2917 @Override 2918 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2919 if (!sUserManager.exists(userId)) { 2920 return null; 2921 } 2922 2923 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2924 "getPackageGids"); 2925 2926 // reader 2927 synchronized (mPackages) { 2928 final PackageParser.Package p = mPackages.get(packageName); 2929 if (p != null) { 2930 PackageSetting ps = (PackageSetting) p.mExtras; 2931 return ps.getPermissionsState().computeGids(userId); 2932 } 2933 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2934 final PackageSetting ps = mSettings.mPackages.get(packageName); 2935 if (ps != null) { 2936 return ps.getPermissionsState().computeGids(userId); 2937 } 2938 } 2939 } 2940 2941 return null; 2942 } 2943 2944 static PermissionInfo generatePermissionInfo( 2945 BasePermission bp, int flags) { 2946 if (bp.perm != null) { 2947 return PackageParser.generatePermissionInfo(bp.perm, flags); 2948 } 2949 PermissionInfo pi = new PermissionInfo(); 2950 pi.name = bp.name; 2951 pi.packageName = bp.sourcePackage; 2952 pi.nonLocalizedLabel = bp.name; 2953 pi.protectionLevel = bp.protectionLevel; 2954 return pi; 2955 } 2956 2957 @Override 2958 public PermissionInfo getPermissionInfo(String name, int flags) { 2959 // reader 2960 synchronized (mPackages) { 2961 final BasePermission p = mSettings.mPermissions.get(name); 2962 if (p != null) { 2963 return generatePermissionInfo(p, flags); 2964 } 2965 return null; 2966 } 2967 } 2968 2969 @Override 2970 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2971 // reader 2972 synchronized (mPackages) { 2973 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2974 for (BasePermission p : mSettings.mPermissions.values()) { 2975 if (group == null) { 2976 if (p.perm == null || p.perm.info.group == null) { 2977 out.add(generatePermissionInfo(p, flags)); 2978 } 2979 } else { 2980 if (p.perm != null && group.equals(p.perm.info.group)) { 2981 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2982 } 2983 } 2984 } 2985 2986 if (out.size() > 0) { 2987 return out; 2988 } 2989 return mPermissionGroups.containsKey(group) ? out : null; 2990 } 2991 } 2992 2993 @Override 2994 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2995 // reader 2996 synchronized (mPackages) { 2997 return PackageParser.generatePermissionGroupInfo( 2998 mPermissionGroups.get(name), flags); 2999 } 3000 } 3001 3002 @Override 3003 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3004 // reader 3005 synchronized (mPackages) { 3006 final int N = mPermissionGroups.size(); 3007 ArrayList<PermissionGroupInfo> out 3008 = new ArrayList<PermissionGroupInfo>(N); 3009 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3010 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3011 } 3012 return out; 3013 } 3014 } 3015 3016 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3017 int userId) { 3018 if (!sUserManager.exists(userId)) return null; 3019 PackageSetting ps = mSettings.mPackages.get(packageName); 3020 if (ps != null) { 3021 if (ps.pkg == null) { 3022 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3023 flags, userId); 3024 if (pInfo != null) { 3025 return pInfo.applicationInfo; 3026 } 3027 return null; 3028 } 3029 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3030 ps.readUserState(userId), userId); 3031 } 3032 return null; 3033 } 3034 3035 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3036 int userId) { 3037 if (!sUserManager.exists(userId)) return null; 3038 PackageSetting ps = mSettings.mPackages.get(packageName); 3039 if (ps != null) { 3040 PackageParser.Package pkg = ps.pkg; 3041 if (pkg == null) { 3042 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 3043 return null; 3044 } 3045 // Only data remains, so we aren't worried about code paths 3046 pkg = new PackageParser.Package(packageName); 3047 pkg.applicationInfo.packageName = packageName; 3048 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3049 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3050 pkg.applicationInfo.uid = ps.appId; 3051 pkg.applicationInfo.initForUser(userId); 3052 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3053 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3054 } 3055 return generatePackageInfo(pkg, flags, userId); 3056 } 3057 return null; 3058 } 3059 3060 @Override 3061 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3062 if (!sUserManager.exists(userId)) return null; 3063 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3064 // writer 3065 synchronized (mPackages) { 3066 PackageParser.Package p = mPackages.get(packageName); 3067 if (DEBUG_PACKAGE_INFO) Log.v( 3068 TAG, "getApplicationInfo " + packageName 3069 + ": " + p); 3070 if (p != null) { 3071 PackageSetting ps = mSettings.mPackages.get(packageName); 3072 if (ps == null) return null; 3073 // Note: isEnabledLP() does not apply here - always return info 3074 return PackageParser.generateApplicationInfo( 3075 p, flags, ps.readUserState(userId), userId); 3076 } 3077 if ("android".equals(packageName)||"system".equals(packageName)) { 3078 return mAndroidApplication; 3079 } 3080 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 3081 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3082 } 3083 } 3084 return null; 3085 } 3086 3087 @Override 3088 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3089 final IPackageDataObserver observer) { 3090 mContext.enforceCallingOrSelfPermission( 3091 android.Manifest.permission.CLEAR_APP_CACHE, null); 3092 // Queue up an async operation since clearing cache may take a little while. 3093 mHandler.post(new Runnable() { 3094 public void run() { 3095 mHandler.removeCallbacks(this); 3096 int retCode = -1; 3097 synchronized (mInstallLock) { 3098 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3099 if (retCode < 0) { 3100 Slog.w(TAG, "Couldn't clear application caches"); 3101 } 3102 } 3103 if (observer != null) { 3104 try { 3105 observer.onRemoveCompleted(null, (retCode >= 0)); 3106 } catch (RemoteException e) { 3107 Slog.w(TAG, "RemoveException when invoking call back"); 3108 } 3109 } 3110 } 3111 }); 3112 } 3113 3114 @Override 3115 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3116 final IntentSender pi) { 3117 mContext.enforceCallingOrSelfPermission( 3118 android.Manifest.permission.CLEAR_APP_CACHE, null); 3119 // Queue up an async operation since clearing cache may take a little while. 3120 mHandler.post(new Runnable() { 3121 public void run() { 3122 mHandler.removeCallbacks(this); 3123 int retCode = -1; 3124 synchronized (mInstallLock) { 3125 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 3126 if (retCode < 0) { 3127 Slog.w(TAG, "Couldn't clear application caches"); 3128 } 3129 } 3130 if(pi != null) { 3131 try { 3132 // Callback via pending intent 3133 int code = (retCode >= 0) ? 1 : 0; 3134 pi.sendIntent(null, code, null, 3135 null, null); 3136 } catch (SendIntentException e1) { 3137 Slog.i(TAG, "Failed to send pending intent"); 3138 } 3139 } 3140 } 3141 }); 3142 } 3143 3144 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3145 synchronized (mInstallLock) { 3146 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3147 throw new IOException("Failed to free enough space"); 3148 } 3149 } 3150 } 3151 3152 /** 3153 * Return if the user key is currently unlocked. 3154 */ 3155 private boolean isUserKeyUnlocked(int userId) { 3156 if (StorageManager.isFileBasedEncryptionEnabled()) { 3157 final IMountService mount = IMountService.Stub 3158 .asInterface(ServiceManager.getService("mount")); 3159 if (mount == null) { 3160 Slog.w(TAG, "Early during boot, assuming locked"); 3161 return false; 3162 } 3163 final long token = Binder.clearCallingIdentity(); 3164 try { 3165 return mount.isUserKeyUnlocked(userId); 3166 } catch (RemoteException e) { 3167 throw e.rethrowAsRuntimeException(); 3168 } finally { 3169 Binder.restoreCallingIdentity(token); 3170 } 3171 } else { 3172 return true; 3173 } 3174 } 3175 3176 /** 3177 * Augment the given flags depending on current user running state. This is 3178 * purposefully done before acquiring {@link #mPackages} lock. 3179 */ 3180 private int augmentFlagsForUser(int flags, int userId) { 3181 if (!isUserKeyUnlocked(userId)) { 3182 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_ONLY; 3183 } 3184 return flags; 3185 } 3186 3187 @Override 3188 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3189 if (!sUserManager.exists(userId)) return null; 3190 flags = augmentFlagsForUser(flags, userId); 3191 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3192 synchronized (mPackages) { 3193 PackageParser.Activity a = mActivities.mActivities.get(component); 3194 3195 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3196 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3197 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3198 if (ps == null) return null; 3199 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3200 userId); 3201 } 3202 if (mResolveComponentName.equals(component)) { 3203 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3204 new PackageUserState(), userId); 3205 } 3206 } 3207 return null; 3208 } 3209 3210 @Override 3211 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3212 String resolvedType) { 3213 synchronized (mPackages) { 3214 if (component.equals(mResolveComponentName)) { 3215 // The resolver supports EVERYTHING! 3216 return true; 3217 } 3218 PackageParser.Activity a = mActivities.mActivities.get(component); 3219 if (a == null) { 3220 return false; 3221 } 3222 for (int i=0; i<a.intents.size(); i++) { 3223 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3224 intent.getData(), intent.getCategories(), TAG) >= 0) { 3225 return true; 3226 } 3227 } 3228 return false; 3229 } 3230 } 3231 3232 @Override 3233 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3234 if (!sUserManager.exists(userId)) return null; 3235 flags = augmentFlagsForUser(flags, userId); 3236 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3237 synchronized (mPackages) { 3238 PackageParser.Activity a = mReceivers.mActivities.get(component); 3239 if (DEBUG_PACKAGE_INFO) Log.v( 3240 TAG, "getReceiverInfo " + component + ": " + a); 3241 if (a != null && mSettings.isEnabledAndVisibleLPr(a.info, flags, userId)) { 3242 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3243 if (ps == null) return null; 3244 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3245 userId); 3246 } 3247 } 3248 return null; 3249 } 3250 3251 @Override 3252 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3253 if (!sUserManager.exists(userId)) return null; 3254 flags = augmentFlagsForUser(flags, userId); 3255 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3256 synchronized (mPackages) { 3257 PackageParser.Service s = mServices.mServices.get(component); 3258 if (DEBUG_PACKAGE_INFO) Log.v( 3259 TAG, "getServiceInfo " + component + ": " + s); 3260 if (s != null && mSettings.isEnabledAndVisibleLPr(s.info, flags, userId)) { 3261 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3262 if (ps == null) return null; 3263 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3264 userId); 3265 } 3266 } 3267 return null; 3268 } 3269 3270 @Override 3271 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3272 if (!sUserManager.exists(userId)) return null; 3273 flags = augmentFlagsForUser(flags, userId); 3274 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3275 synchronized (mPackages) { 3276 PackageParser.Provider p = mProviders.mProviders.get(component); 3277 if (DEBUG_PACKAGE_INFO) Log.v( 3278 TAG, "getProviderInfo " + component + ": " + p); 3279 if (p != null && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId)) { 3280 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3281 if (ps == null) return null; 3282 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3283 userId); 3284 } 3285 } 3286 return null; 3287 } 3288 3289 @Override 3290 public String[] getSystemSharedLibraryNames() { 3291 Set<String> libSet; 3292 synchronized (mPackages) { 3293 libSet = mSharedLibraries.keySet(); 3294 int size = libSet.size(); 3295 if (size > 0) { 3296 String[] libs = new String[size]; 3297 libSet.toArray(libs); 3298 return libs; 3299 } 3300 } 3301 return null; 3302 } 3303 3304 /** 3305 * @hide 3306 */ 3307 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3308 synchronized (mPackages) { 3309 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3310 if (lib != null && lib.apk != null) { 3311 return mPackages.get(lib.apk); 3312 } 3313 } 3314 return null; 3315 } 3316 3317 @Override 3318 public FeatureInfo[] getSystemAvailableFeatures() { 3319 Collection<FeatureInfo> featSet; 3320 synchronized (mPackages) { 3321 featSet = mAvailableFeatures.values(); 3322 int size = featSet.size(); 3323 if (size > 0) { 3324 FeatureInfo[] features = new FeatureInfo[size+1]; 3325 featSet.toArray(features); 3326 FeatureInfo fi = new FeatureInfo(); 3327 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3328 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3329 features[size] = fi; 3330 return features; 3331 } 3332 } 3333 return null; 3334 } 3335 3336 @Override 3337 public boolean hasSystemFeature(String name) { 3338 synchronized (mPackages) { 3339 return mAvailableFeatures.containsKey(name); 3340 } 3341 } 3342 3343 private void checkValidCaller(int uid, int userId) { 3344 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3345 return; 3346 3347 throw new SecurityException("Caller uid=" + uid 3348 + " is not privileged to communicate with user=" + userId); 3349 } 3350 3351 @Override 3352 public int checkPermission(String permName, String pkgName, int userId) { 3353 if (!sUserManager.exists(userId)) { 3354 return PackageManager.PERMISSION_DENIED; 3355 } 3356 3357 synchronized (mPackages) { 3358 final PackageParser.Package p = mPackages.get(pkgName); 3359 if (p != null && p.mExtras != null) { 3360 final PackageSetting ps = (PackageSetting) p.mExtras; 3361 final PermissionsState permissionsState = ps.getPermissionsState(); 3362 if (permissionsState.hasPermission(permName, userId)) { 3363 return PackageManager.PERMISSION_GRANTED; 3364 } 3365 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3366 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3367 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3368 return PackageManager.PERMISSION_GRANTED; 3369 } 3370 } 3371 } 3372 3373 return PackageManager.PERMISSION_DENIED; 3374 } 3375 3376 @Override 3377 public int checkUidPermission(String permName, int uid) { 3378 final int userId = UserHandle.getUserId(uid); 3379 3380 if (!sUserManager.exists(userId)) { 3381 return PackageManager.PERMISSION_DENIED; 3382 } 3383 3384 synchronized (mPackages) { 3385 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3386 if (obj != null) { 3387 final SettingBase ps = (SettingBase) obj; 3388 final PermissionsState permissionsState = ps.getPermissionsState(); 3389 if (permissionsState.hasPermission(permName, userId)) { 3390 return PackageManager.PERMISSION_GRANTED; 3391 } 3392 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3393 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3394 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3395 return PackageManager.PERMISSION_GRANTED; 3396 } 3397 } else { 3398 ArraySet<String> perms = mSystemPermissions.get(uid); 3399 if (perms != null) { 3400 if (perms.contains(permName)) { 3401 return PackageManager.PERMISSION_GRANTED; 3402 } 3403 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3404 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3405 return PackageManager.PERMISSION_GRANTED; 3406 } 3407 } 3408 } 3409 } 3410 3411 return PackageManager.PERMISSION_DENIED; 3412 } 3413 3414 @Override 3415 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3416 if (UserHandle.getCallingUserId() != userId) { 3417 mContext.enforceCallingPermission( 3418 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3419 "isPermissionRevokedByPolicy for user " + userId); 3420 } 3421 3422 if (checkPermission(permission, packageName, userId) 3423 == PackageManager.PERMISSION_GRANTED) { 3424 return false; 3425 } 3426 3427 final long identity = Binder.clearCallingIdentity(); 3428 try { 3429 final int flags = getPermissionFlags(permission, packageName, userId); 3430 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3431 } finally { 3432 Binder.restoreCallingIdentity(identity); 3433 } 3434 } 3435 3436 @Override 3437 public String getPermissionControllerPackageName() { 3438 synchronized (mPackages) { 3439 return mRequiredInstallerPackage; 3440 } 3441 } 3442 3443 /** 3444 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3445 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3446 * @param checkShell TODO(yamasani): 3447 * @param message the message to log on security exception 3448 */ 3449 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3450 boolean checkShell, String message) { 3451 if (userId < 0) { 3452 throw new IllegalArgumentException("Invalid userId " + userId); 3453 } 3454 if (checkShell) { 3455 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3456 } 3457 if (userId == UserHandle.getUserId(callingUid)) return; 3458 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3459 if (requireFullPermission) { 3460 mContext.enforceCallingOrSelfPermission( 3461 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3462 } else { 3463 try { 3464 mContext.enforceCallingOrSelfPermission( 3465 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3466 } catch (SecurityException se) { 3467 mContext.enforceCallingOrSelfPermission( 3468 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3469 } 3470 } 3471 } 3472 } 3473 3474 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3475 if (callingUid == Process.SHELL_UID) { 3476 if (userHandle >= 0 3477 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3478 throw new SecurityException("Shell does not have permission to access user " 3479 + userHandle); 3480 } else if (userHandle < 0) { 3481 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3482 + Debug.getCallers(3)); 3483 } 3484 } 3485 } 3486 3487 private BasePermission findPermissionTreeLP(String permName) { 3488 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3489 if (permName.startsWith(bp.name) && 3490 permName.length() > bp.name.length() && 3491 permName.charAt(bp.name.length()) == '.') { 3492 return bp; 3493 } 3494 } 3495 return null; 3496 } 3497 3498 private BasePermission checkPermissionTreeLP(String permName) { 3499 if (permName != null) { 3500 BasePermission bp = findPermissionTreeLP(permName); 3501 if (bp != null) { 3502 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3503 return bp; 3504 } 3505 throw new SecurityException("Calling uid " 3506 + Binder.getCallingUid() 3507 + " is not allowed to add to permission tree " 3508 + bp.name + " owned by uid " + bp.uid); 3509 } 3510 } 3511 throw new SecurityException("No permission tree found for " + permName); 3512 } 3513 3514 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3515 if (s1 == null) { 3516 return s2 == null; 3517 } 3518 if (s2 == null) { 3519 return false; 3520 } 3521 if (s1.getClass() != s2.getClass()) { 3522 return false; 3523 } 3524 return s1.equals(s2); 3525 } 3526 3527 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3528 if (pi1.icon != pi2.icon) return false; 3529 if (pi1.logo != pi2.logo) return false; 3530 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3531 if (!compareStrings(pi1.name, pi2.name)) return false; 3532 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3533 // We'll take care of setting this one. 3534 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3535 // These are not currently stored in settings. 3536 //if (!compareStrings(pi1.group, pi2.group)) return false; 3537 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3538 //if (pi1.labelRes != pi2.labelRes) return false; 3539 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3540 return true; 3541 } 3542 3543 int permissionInfoFootprint(PermissionInfo info) { 3544 int size = info.name.length(); 3545 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3546 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3547 return size; 3548 } 3549 3550 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3551 int size = 0; 3552 for (BasePermission perm : mSettings.mPermissions.values()) { 3553 if (perm.uid == tree.uid) { 3554 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3555 } 3556 } 3557 return size; 3558 } 3559 3560 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3561 // We calculate the max size of permissions defined by this uid and throw 3562 // if that plus the size of 'info' would exceed our stated maximum. 3563 if (tree.uid != Process.SYSTEM_UID) { 3564 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3565 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3566 throw new SecurityException("Permission tree size cap exceeded"); 3567 } 3568 } 3569 } 3570 3571 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3572 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3573 throw new SecurityException("Label must be specified in permission"); 3574 } 3575 BasePermission tree = checkPermissionTreeLP(info.name); 3576 BasePermission bp = mSettings.mPermissions.get(info.name); 3577 boolean added = bp == null; 3578 boolean changed = true; 3579 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3580 if (added) { 3581 enforcePermissionCapLocked(info, tree); 3582 bp = new BasePermission(info.name, tree.sourcePackage, 3583 BasePermission.TYPE_DYNAMIC); 3584 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3585 throw new SecurityException( 3586 "Not allowed to modify non-dynamic permission " 3587 + info.name); 3588 } else { 3589 if (bp.protectionLevel == fixedLevel 3590 && bp.perm.owner.equals(tree.perm.owner) 3591 && bp.uid == tree.uid 3592 && comparePermissionInfos(bp.perm.info, info)) { 3593 changed = false; 3594 } 3595 } 3596 bp.protectionLevel = fixedLevel; 3597 info = new PermissionInfo(info); 3598 info.protectionLevel = fixedLevel; 3599 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3600 bp.perm.info.packageName = tree.perm.info.packageName; 3601 bp.uid = tree.uid; 3602 if (added) { 3603 mSettings.mPermissions.put(info.name, bp); 3604 } 3605 if (changed) { 3606 if (!async) { 3607 mSettings.writeLPr(); 3608 } else { 3609 scheduleWriteSettingsLocked(); 3610 } 3611 } 3612 return added; 3613 } 3614 3615 @Override 3616 public boolean addPermission(PermissionInfo info) { 3617 synchronized (mPackages) { 3618 return addPermissionLocked(info, false); 3619 } 3620 } 3621 3622 @Override 3623 public boolean addPermissionAsync(PermissionInfo info) { 3624 synchronized (mPackages) { 3625 return addPermissionLocked(info, true); 3626 } 3627 } 3628 3629 @Override 3630 public void removePermission(String name) { 3631 synchronized (mPackages) { 3632 checkPermissionTreeLP(name); 3633 BasePermission bp = mSettings.mPermissions.get(name); 3634 if (bp != null) { 3635 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3636 throw new SecurityException( 3637 "Not allowed to modify non-dynamic permission " 3638 + name); 3639 } 3640 mSettings.mPermissions.remove(name); 3641 mSettings.writeLPr(); 3642 } 3643 } 3644 } 3645 3646 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3647 BasePermission bp) { 3648 int index = pkg.requestedPermissions.indexOf(bp.name); 3649 if (index == -1) { 3650 throw new SecurityException("Package " + pkg.packageName 3651 + " has not requested permission " + bp.name); 3652 } 3653 if (!bp.isRuntime() && !bp.isDevelopment()) { 3654 throw new SecurityException("Permission " + bp.name 3655 + " is not a changeable permission type"); 3656 } 3657 } 3658 3659 @Override 3660 public void grantRuntimePermission(String packageName, String name, final int userId) { 3661 if (!sUserManager.exists(userId)) { 3662 Log.e(TAG, "No such user:" + userId); 3663 return; 3664 } 3665 3666 mContext.enforceCallingOrSelfPermission( 3667 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3668 "grantRuntimePermission"); 3669 3670 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3671 "grantRuntimePermission"); 3672 3673 final int uid; 3674 final SettingBase sb; 3675 3676 synchronized (mPackages) { 3677 final PackageParser.Package pkg = mPackages.get(packageName); 3678 if (pkg == null) { 3679 throw new IllegalArgumentException("Unknown package: " + packageName); 3680 } 3681 3682 final BasePermission bp = mSettings.mPermissions.get(name); 3683 if (bp == null) { 3684 throw new IllegalArgumentException("Unknown permission: " + name); 3685 } 3686 3687 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3688 3689 // If a permission review is required for legacy apps we represent 3690 // their permissions as always granted runtime ones since we need 3691 // to keep the review required permission flag per user while an 3692 // install permission's state is shared across all users. 3693 if (Build.PERMISSIONS_REVIEW_REQUIRED 3694 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3695 && bp.isRuntime()) { 3696 return; 3697 } 3698 3699 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3700 sb = (SettingBase) pkg.mExtras; 3701 if (sb == null) { 3702 throw new IllegalArgumentException("Unknown package: " + packageName); 3703 } 3704 3705 final PermissionsState permissionsState = sb.getPermissionsState(); 3706 3707 final int flags = permissionsState.getPermissionFlags(name, userId); 3708 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3709 throw new SecurityException("Cannot grant system fixed permission: " 3710 + name + " for package: " + packageName); 3711 } 3712 3713 if (bp.isDevelopment()) { 3714 // Development permissions must be handled specially, since they are not 3715 // normal runtime permissions. For now they apply to all users. 3716 if (permissionsState.grantInstallPermission(bp) != 3717 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3718 scheduleWriteSettingsLocked(); 3719 } 3720 return; 3721 } 3722 3723 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3724 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3725 return; 3726 } 3727 3728 final int result = permissionsState.grantRuntimePermission(bp, userId); 3729 switch (result) { 3730 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3731 return; 3732 } 3733 3734 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3735 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3736 mHandler.post(new Runnable() { 3737 @Override 3738 public void run() { 3739 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3740 } 3741 }); 3742 } 3743 break; 3744 } 3745 3746 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3747 3748 // Not critical if that is lost - app has to request again. 3749 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3750 } 3751 3752 // Only need to do this if user is initialized. Otherwise it's a new user 3753 // and there are no processes running as the user yet and there's no need 3754 // to make an expensive call to remount processes for the changed permissions. 3755 if (READ_EXTERNAL_STORAGE.equals(name) 3756 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3757 final long token = Binder.clearCallingIdentity(); 3758 try { 3759 if (sUserManager.isInitialized(userId)) { 3760 MountServiceInternal mountServiceInternal = LocalServices.getService( 3761 MountServiceInternal.class); 3762 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3763 } 3764 } finally { 3765 Binder.restoreCallingIdentity(token); 3766 } 3767 } 3768 } 3769 3770 @Override 3771 public void revokeRuntimePermission(String packageName, String name, int userId) { 3772 if (!sUserManager.exists(userId)) { 3773 Log.e(TAG, "No such user:" + userId); 3774 return; 3775 } 3776 3777 mContext.enforceCallingOrSelfPermission( 3778 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3779 "revokeRuntimePermission"); 3780 3781 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3782 "revokeRuntimePermission"); 3783 3784 final int appId; 3785 3786 synchronized (mPackages) { 3787 final PackageParser.Package pkg = mPackages.get(packageName); 3788 if (pkg == null) { 3789 throw new IllegalArgumentException("Unknown package: " + packageName); 3790 } 3791 3792 final BasePermission bp = mSettings.mPermissions.get(name); 3793 if (bp == null) { 3794 throw new IllegalArgumentException("Unknown permission: " + name); 3795 } 3796 3797 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3798 3799 // If a permission review is required for legacy apps we represent 3800 // their permissions as always granted runtime ones since we need 3801 // to keep the review required permission flag per user while an 3802 // install permission's state is shared across all users. 3803 if (Build.PERMISSIONS_REVIEW_REQUIRED 3804 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3805 && bp.isRuntime()) { 3806 return; 3807 } 3808 3809 SettingBase sb = (SettingBase) pkg.mExtras; 3810 if (sb == null) { 3811 throw new IllegalArgumentException("Unknown package: " + packageName); 3812 } 3813 3814 final PermissionsState permissionsState = sb.getPermissionsState(); 3815 3816 final int flags = permissionsState.getPermissionFlags(name, userId); 3817 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3818 throw new SecurityException("Cannot revoke system fixed permission: " 3819 + name + " for package: " + packageName); 3820 } 3821 3822 if (bp.isDevelopment()) { 3823 // Development permissions must be handled specially, since they are not 3824 // normal runtime permissions. For now they apply to all users. 3825 if (permissionsState.revokeInstallPermission(bp) != 3826 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3827 scheduleWriteSettingsLocked(); 3828 } 3829 return; 3830 } 3831 3832 if (permissionsState.revokeRuntimePermission(bp, userId) == 3833 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3834 return; 3835 } 3836 3837 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3838 3839 // Critical, after this call app should never have the permission. 3840 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3841 3842 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3843 } 3844 3845 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3846 } 3847 3848 @Override 3849 public void resetRuntimePermissions() { 3850 mContext.enforceCallingOrSelfPermission( 3851 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3852 "revokeRuntimePermission"); 3853 3854 int callingUid = Binder.getCallingUid(); 3855 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3856 mContext.enforceCallingOrSelfPermission( 3857 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3858 "resetRuntimePermissions"); 3859 } 3860 3861 synchronized (mPackages) { 3862 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3863 for (int userId : UserManagerService.getInstance().getUserIds()) { 3864 final int packageCount = mPackages.size(); 3865 for (int i = 0; i < packageCount; i++) { 3866 PackageParser.Package pkg = mPackages.valueAt(i); 3867 if (!(pkg.mExtras instanceof PackageSetting)) { 3868 continue; 3869 } 3870 PackageSetting ps = (PackageSetting) pkg.mExtras; 3871 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3872 } 3873 } 3874 } 3875 } 3876 3877 @Override 3878 public int getPermissionFlags(String name, String packageName, int userId) { 3879 if (!sUserManager.exists(userId)) { 3880 return 0; 3881 } 3882 3883 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3884 3885 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3886 "getPermissionFlags"); 3887 3888 synchronized (mPackages) { 3889 final PackageParser.Package pkg = mPackages.get(packageName); 3890 if (pkg == null) { 3891 throw new IllegalArgumentException("Unknown package: " + packageName); 3892 } 3893 3894 final BasePermission bp = mSettings.mPermissions.get(name); 3895 if (bp == null) { 3896 throw new IllegalArgumentException("Unknown permission: " + name); 3897 } 3898 3899 SettingBase sb = (SettingBase) pkg.mExtras; 3900 if (sb == null) { 3901 throw new IllegalArgumentException("Unknown package: " + packageName); 3902 } 3903 3904 PermissionsState permissionsState = sb.getPermissionsState(); 3905 return permissionsState.getPermissionFlags(name, userId); 3906 } 3907 } 3908 3909 @Override 3910 public void updatePermissionFlags(String name, String packageName, int flagMask, 3911 int flagValues, int userId) { 3912 if (!sUserManager.exists(userId)) { 3913 return; 3914 } 3915 3916 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3917 3918 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3919 "updatePermissionFlags"); 3920 3921 // Only the system can change these flags and nothing else. 3922 if (getCallingUid() != Process.SYSTEM_UID) { 3923 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3924 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3925 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3926 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3927 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3928 } 3929 3930 synchronized (mPackages) { 3931 final PackageParser.Package pkg = mPackages.get(packageName); 3932 if (pkg == null) { 3933 throw new IllegalArgumentException("Unknown package: " + packageName); 3934 } 3935 3936 final BasePermission bp = mSettings.mPermissions.get(name); 3937 if (bp == null) { 3938 throw new IllegalArgumentException("Unknown permission: " + name); 3939 } 3940 3941 SettingBase sb = (SettingBase) pkg.mExtras; 3942 if (sb == null) { 3943 throw new IllegalArgumentException("Unknown package: " + packageName); 3944 } 3945 3946 PermissionsState permissionsState = sb.getPermissionsState(); 3947 3948 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3949 3950 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3951 // Install and runtime permissions are stored in different places, 3952 // so figure out what permission changed and persist the change. 3953 if (permissionsState.getInstallPermissionState(name) != null) { 3954 scheduleWriteSettingsLocked(); 3955 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3956 || hadState) { 3957 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3958 } 3959 } 3960 } 3961 } 3962 3963 /** 3964 * Update the permission flags for all packages and runtime permissions of a user in order 3965 * to allow device or profile owner to remove POLICY_FIXED. 3966 */ 3967 @Override 3968 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3969 if (!sUserManager.exists(userId)) { 3970 return; 3971 } 3972 3973 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3974 3975 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3976 "updatePermissionFlagsForAllApps"); 3977 3978 // Only the system can change system fixed flags. 3979 if (getCallingUid() != Process.SYSTEM_UID) { 3980 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3981 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3982 } 3983 3984 synchronized (mPackages) { 3985 boolean changed = false; 3986 final int packageCount = mPackages.size(); 3987 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3988 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3989 SettingBase sb = (SettingBase) pkg.mExtras; 3990 if (sb == null) { 3991 continue; 3992 } 3993 PermissionsState permissionsState = sb.getPermissionsState(); 3994 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3995 userId, flagMask, flagValues); 3996 } 3997 if (changed) { 3998 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3999 } 4000 } 4001 } 4002 4003 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4004 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4005 != PackageManager.PERMISSION_GRANTED 4006 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4007 != PackageManager.PERMISSION_GRANTED) { 4008 throw new SecurityException(message + " requires " 4009 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4010 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4011 } 4012 } 4013 4014 @Override 4015 public boolean shouldShowRequestPermissionRationale(String permissionName, 4016 String packageName, int userId) { 4017 if (UserHandle.getCallingUserId() != userId) { 4018 mContext.enforceCallingPermission( 4019 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4020 "canShowRequestPermissionRationale for user " + userId); 4021 } 4022 4023 final int uid = getPackageUid(packageName, userId); 4024 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4025 return false; 4026 } 4027 4028 if (checkPermission(permissionName, packageName, userId) 4029 == PackageManager.PERMISSION_GRANTED) { 4030 return false; 4031 } 4032 4033 final int flags; 4034 4035 final long identity = Binder.clearCallingIdentity(); 4036 try { 4037 flags = getPermissionFlags(permissionName, 4038 packageName, userId); 4039 } finally { 4040 Binder.restoreCallingIdentity(identity); 4041 } 4042 4043 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4044 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4045 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4046 4047 if ((flags & fixedFlags) != 0) { 4048 return false; 4049 } 4050 4051 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4052 } 4053 4054 @Override 4055 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4056 mContext.enforceCallingOrSelfPermission( 4057 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4058 "addOnPermissionsChangeListener"); 4059 4060 synchronized (mPackages) { 4061 mOnPermissionChangeListeners.addListenerLocked(listener); 4062 } 4063 } 4064 4065 @Override 4066 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4067 synchronized (mPackages) { 4068 mOnPermissionChangeListeners.removeListenerLocked(listener); 4069 } 4070 } 4071 4072 @Override 4073 public boolean isProtectedBroadcast(String actionName) { 4074 synchronized (mPackages) { 4075 return mProtectedBroadcasts.contains(actionName); 4076 } 4077 } 4078 4079 @Override 4080 public int checkSignatures(String pkg1, String pkg2) { 4081 synchronized (mPackages) { 4082 final PackageParser.Package p1 = mPackages.get(pkg1); 4083 final PackageParser.Package p2 = mPackages.get(pkg2); 4084 if (p1 == null || p1.mExtras == null 4085 || p2 == null || p2.mExtras == null) { 4086 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4087 } 4088 return compareSignatures(p1.mSignatures, p2.mSignatures); 4089 } 4090 } 4091 4092 @Override 4093 public int checkUidSignatures(int uid1, int uid2) { 4094 // Map to base uids. 4095 uid1 = UserHandle.getAppId(uid1); 4096 uid2 = UserHandle.getAppId(uid2); 4097 // reader 4098 synchronized (mPackages) { 4099 Signature[] s1; 4100 Signature[] s2; 4101 Object obj = mSettings.getUserIdLPr(uid1); 4102 if (obj != null) { 4103 if (obj instanceof SharedUserSetting) { 4104 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4105 } else if (obj instanceof PackageSetting) { 4106 s1 = ((PackageSetting)obj).signatures.mSignatures; 4107 } else { 4108 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4109 } 4110 } else { 4111 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4112 } 4113 obj = mSettings.getUserIdLPr(uid2); 4114 if (obj != null) { 4115 if (obj instanceof SharedUserSetting) { 4116 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4117 } else if (obj instanceof PackageSetting) { 4118 s2 = ((PackageSetting)obj).signatures.mSignatures; 4119 } else { 4120 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4121 } 4122 } else { 4123 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4124 } 4125 return compareSignatures(s1, s2); 4126 } 4127 } 4128 4129 private void killUid(int appId, int userId, String reason) { 4130 final long identity = Binder.clearCallingIdentity(); 4131 try { 4132 IActivityManager am = ActivityManagerNative.getDefault(); 4133 if (am != null) { 4134 try { 4135 am.killUid(appId, userId, reason); 4136 } catch (RemoteException e) { 4137 /* ignore - same process */ 4138 } 4139 } 4140 } finally { 4141 Binder.restoreCallingIdentity(identity); 4142 } 4143 } 4144 4145 /** 4146 * Compares two sets of signatures. Returns: 4147 * <br /> 4148 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4149 * <br /> 4150 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4151 * <br /> 4152 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4153 * <br /> 4154 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4155 * <br /> 4156 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4157 */ 4158 static int compareSignatures(Signature[] s1, Signature[] s2) { 4159 if (s1 == null) { 4160 return s2 == null 4161 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4162 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4163 } 4164 4165 if (s2 == null) { 4166 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4167 } 4168 4169 if (s1.length != s2.length) { 4170 return PackageManager.SIGNATURE_NO_MATCH; 4171 } 4172 4173 // Since both signature sets are of size 1, we can compare without HashSets. 4174 if (s1.length == 1) { 4175 return s1[0].equals(s2[0]) ? 4176 PackageManager.SIGNATURE_MATCH : 4177 PackageManager.SIGNATURE_NO_MATCH; 4178 } 4179 4180 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4181 for (Signature sig : s1) { 4182 set1.add(sig); 4183 } 4184 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4185 for (Signature sig : s2) { 4186 set2.add(sig); 4187 } 4188 // Make sure s2 contains all signatures in s1. 4189 if (set1.equals(set2)) { 4190 return PackageManager.SIGNATURE_MATCH; 4191 } 4192 return PackageManager.SIGNATURE_NO_MATCH; 4193 } 4194 4195 /** 4196 * If the database version for this type of package (internal storage or 4197 * external storage) is less than the version where package signatures 4198 * were updated, return true. 4199 */ 4200 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4201 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4202 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4203 } 4204 4205 /** 4206 * Used for backward compatibility to make sure any packages with 4207 * certificate chains get upgraded to the new style. {@code existingSigs} 4208 * will be in the old format (since they were stored on disk from before the 4209 * system upgrade) and {@code scannedSigs} will be in the newer format. 4210 */ 4211 private int compareSignaturesCompat(PackageSignatures existingSigs, 4212 PackageParser.Package scannedPkg) { 4213 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4214 return PackageManager.SIGNATURE_NO_MATCH; 4215 } 4216 4217 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4218 for (Signature sig : existingSigs.mSignatures) { 4219 existingSet.add(sig); 4220 } 4221 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4222 for (Signature sig : scannedPkg.mSignatures) { 4223 try { 4224 Signature[] chainSignatures = sig.getChainSignatures(); 4225 for (Signature chainSig : chainSignatures) { 4226 scannedCompatSet.add(chainSig); 4227 } 4228 } catch (CertificateEncodingException e) { 4229 scannedCompatSet.add(sig); 4230 } 4231 } 4232 /* 4233 * Make sure the expanded scanned set contains all signatures in the 4234 * existing one. 4235 */ 4236 if (scannedCompatSet.equals(existingSet)) { 4237 // Migrate the old signatures to the new scheme. 4238 existingSigs.assignSignatures(scannedPkg.mSignatures); 4239 // The new KeySets will be re-added later in the scanning process. 4240 synchronized (mPackages) { 4241 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4242 } 4243 return PackageManager.SIGNATURE_MATCH; 4244 } 4245 return PackageManager.SIGNATURE_NO_MATCH; 4246 } 4247 4248 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4249 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4250 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4251 } 4252 4253 private int compareSignaturesRecover(PackageSignatures existingSigs, 4254 PackageParser.Package scannedPkg) { 4255 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4256 return PackageManager.SIGNATURE_NO_MATCH; 4257 } 4258 4259 String msg = null; 4260 try { 4261 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4262 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4263 + scannedPkg.packageName); 4264 return PackageManager.SIGNATURE_MATCH; 4265 } 4266 } catch (CertificateException e) { 4267 msg = e.getMessage(); 4268 } 4269 4270 logCriticalInfo(Log.INFO, 4271 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4272 return PackageManager.SIGNATURE_NO_MATCH; 4273 } 4274 4275 @Override 4276 public String[] getPackagesForUid(int uid) { 4277 uid = UserHandle.getAppId(uid); 4278 // reader 4279 synchronized (mPackages) { 4280 Object obj = mSettings.getUserIdLPr(uid); 4281 if (obj instanceof SharedUserSetting) { 4282 final SharedUserSetting sus = (SharedUserSetting) obj; 4283 final int N = sus.packages.size(); 4284 final String[] res = new String[N]; 4285 final Iterator<PackageSetting> it = sus.packages.iterator(); 4286 int i = 0; 4287 while (it.hasNext()) { 4288 res[i++] = it.next().name; 4289 } 4290 return res; 4291 } else if (obj instanceof PackageSetting) { 4292 final PackageSetting ps = (PackageSetting) obj; 4293 return new String[] { ps.name }; 4294 } 4295 } 4296 return null; 4297 } 4298 4299 @Override 4300 public String getNameForUid(int uid) { 4301 // reader 4302 synchronized (mPackages) { 4303 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4304 if (obj instanceof SharedUserSetting) { 4305 final SharedUserSetting sus = (SharedUserSetting) obj; 4306 return sus.name + ":" + sus.userId; 4307 } else if (obj instanceof PackageSetting) { 4308 final PackageSetting ps = (PackageSetting) obj; 4309 return ps.name; 4310 } 4311 } 4312 return null; 4313 } 4314 4315 @Override 4316 public int getUidForSharedUser(String sharedUserName) { 4317 if(sharedUserName == null) { 4318 return -1; 4319 } 4320 // reader 4321 synchronized (mPackages) { 4322 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4323 if (suid == null) { 4324 return -1; 4325 } 4326 return suid.userId; 4327 } 4328 } 4329 4330 @Override 4331 public int getFlagsForUid(int uid) { 4332 synchronized (mPackages) { 4333 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4334 if (obj instanceof SharedUserSetting) { 4335 final SharedUserSetting sus = (SharedUserSetting) obj; 4336 return sus.pkgFlags; 4337 } else if (obj instanceof PackageSetting) { 4338 final PackageSetting ps = (PackageSetting) obj; 4339 return ps.pkgFlags; 4340 } 4341 } 4342 return 0; 4343 } 4344 4345 @Override 4346 public int getPrivateFlagsForUid(int uid) { 4347 synchronized (mPackages) { 4348 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4349 if (obj instanceof SharedUserSetting) { 4350 final SharedUserSetting sus = (SharedUserSetting) obj; 4351 return sus.pkgPrivateFlags; 4352 } else if (obj instanceof PackageSetting) { 4353 final PackageSetting ps = (PackageSetting) obj; 4354 return ps.pkgPrivateFlags; 4355 } 4356 } 4357 return 0; 4358 } 4359 4360 @Override 4361 public boolean isUidPrivileged(int uid) { 4362 uid = UserHandle.getAppId(uid); 4363 // reader 4364 synchronized (mPackages) { 4365 Object obj = mSettings.getUserIdLPr(uid); 4366 if (obj instanceof SharedUserSetting) { 4367 final SharedUserSetting sus = (SharedUserSetting) obj; 4368 final Iterator<PackageSetting> it = sus.packages.iterator(); 4369 while (it.hasNext()) { 4370 if (it.next().isPrivileged()) { 4371 return true; 4372 } 4373 } 4374 } else if (obj instanceof PackageSetting) { 4375 final PackageSetting ps = (PackageSetting) obj; 4376 return ps.isPrivileged(); 4377 } 4378 } 4379 return false; 4380 } 4381 4382 @Override 4383 public String[] getAppOpPermissionPackages(String permissionName) { 4384 synchronized (mPackages) { 4385 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4386 if (pkgs == null) { 4387 return null; 4388 } 4389 return pkgs.toArray(new String[pkgs.size()]); 4390 } 4391 } 4392 4393 @Override 4394 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4395 int flags, int userId) { 4396 if (!sUserManager.exists(userId)) return null; 4397 flags = augmentFlagsForUser(flags, userId); 4398 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4399 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4400 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4401 } 4402 4403 @Override 4404 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4405 IntentFilter filter, int match, ComponentName activity) { 4406 final int userId = UserHandle.getCallingUserId(); 4407 if (DEBUG_PREFERRED) { 4408 Log.v(TAG, "setLastChosenActivity intent=" + intent 4409 + " resolvedType=" + resolvedType 4410 + " flags=" + flags 4411 + " filter=" + filter 4412 + " match=" + match 4413 + " activity=" + activity); 4414 filter.dump(new PrintStreamPrinter(System.out), " "); 4415 } 4416 intent.setComponent(null); 4417 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4418 // Find any earlier preferred or last chosen entries and nuke them 4419 findPreferredActivity(intent, resolvedType, 4420 flags, query, 0, false, true, false, userId); 4421 // Add the new activity as the last chosen for this filter 4422 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4423 "Setting last chosen"); 4424 } 4425 4426 @Override 4427 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4428 final int userId = UserHandle.getCallingUserId(); 4429 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4430 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4431 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4432 false, false, false, userId); 4433 } 4434 4435 private boolean isEphemeralAvailable(Intent intent, String resolvedType, int userId) { 4436 MessageDigest digest = null; 4437 try { 4438 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4439 } catch (NoSuchAlgorithmException e) { 4440 // If we can't create a digest, ignore ephemeral apps. 4441 return false; 4442 } 4443 4444 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4445 final byte[] digestBytes = digest.digest(hostBytes); 4446 int shaPrefix = 4447 digestBytes[0] << 24 4448 | digestBytes[1] << 16 4449 | digestBytes[2] << 8 4450 | digestBytes[3] << 0; 4451 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4452 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4453 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4454 // No hash prefix match; there are no ephemeral apps for this domain. 4455 return false; 4456 } 4457 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4458 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4459 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4460 continue; 4461 } 4462 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4463 // No filters; this should never happen. 4464 if (filters.isEmpty()) { 4465 continue; 4466 } 4467 // We have a domain match; resolve the filters to see if anything matches. 4468 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4469 for (int j = filters.size() - 1; j >= 0; --j) { 4470 ephemeralResolver.addFilter(filters.get(j)); 4471 } 4472 List<ResolveInfo> ephemeralResolveList = ephemeralResolver.queryIntent( 4473 intent, resolvedType, false /*defaultOnly*/, userId); 4474 return !ephemeralResolveList.isEmpty(); 4475 } 4476 // Hash or filter mis-match; no ephemeral apps for this domain. 4477 return false; 4478 } 4479 4480 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4481 int flags, List<ResolveInfo> query, int userId) { 4482 final boolean isWebUri = hasWebURI(intent); 4483 // Check whether or not an ephemeral app exists to handle the URI. 4484 if (isWebUri && mEphemeralResolverConnection != null) { 4485 // Deny ephemeral apps if the user choose _ALWAYS or _ALWAYS_ASK for intent resolution. 4486 boolean hasAlwaysHandler = false; 4487 synchronized (mPackages) { 4488 final int count = query.size(); 4489 for (int n=0; n<count; n++) { 4490 ResolveInfo info = query.get(n); 4491 String packageName = info.activityInfo.packageName; 4492 PackageSetting ps = mSettings.mPackages.get(packageName); 4493 if (ps != null) { 4494 // Try to get the status from User settings first 4495 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4496 int status = (int) (packedStatus >> 32); 4497 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4498 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4499 hasAlwaysHandler = true; 4500 break; 4501 } 4502 } 4503 } 4504 } 4505 4506 // Only consider installing an ephemeral app if there isn't already a verified handler. 4507 // We've determined that there's an ephemeral app available for the URI, ignore any 4508 // ResolveInfo's and just return the ephemeral installer 4509 if (!hasAlwaysHandler && isEphemeralAvailable(intent, resolvedType, userId)) { 4510 if (DEBUG_EPHEMERAL) { 4511 Slog.v(TAG, "Resolving to the ephemeral installer"); 4512 } 4513 // ditch the result and return a ResolveInfo to launch the ephemeral installer 4514 ResolveInfo ri = new ResolveInfo(mEphemeralInstallerInfo); 4515 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4516 // make a deep copy of the applicationInfo 4517 ri.activityInfo.applicationInfo = new ApplicationInfo( 4518 ri.activityInfo.applicationInfo); 4519 if (userId != 0) { 4520 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4521 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4522 } 4523 return ri; 4524 } 4525 } 4526 if (query != null) { 4527 final int N = query.size(); 4528 if (N == 1) { 4529 return query.get(0); 4530 } else if (N > 1) { 4531 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4532 // If there is more than one activity with the same priority, 4533 // then let the user decide between them. 4534 ResolveInfo r0 = query.get(0); 4535 ResolveInfo r1 = query.get(1); 4536 if (DEBUG_INTENT_MATCHING || debug) { 4537 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4538 + r1.activityInfo.name + "=" + r1.priority); 4539 } 4540 // If the first activity has a higher priority, or a different 4541 // default, then it is always desireable to pick it. 4542 if (r0.priority != r1.priority 4543 || r0.preferredOrder != r1.preferredOrder 4544 || r0.isDefault != r1.isDefault) { 4545 return query.get(0); 4546 } 4547 // If we have saved a preference for a preferred activity for 4548 // this Intent, use that. 4549 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4550 flags, query, r0.priority, true, false, debug, userId); 4551 if (ri != null) { 4552 return ri; 4553 } 4554 ri = new ResolveInfo(mResolveInfo); 4555 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4556 ri.activityInfo.applicationInfo = new ApplicationInfo( 4557 ri.activityInfo.applicationInfo); 4558 if (userId != 0) { 4559 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4560 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4561 } 4562 // Make sure that the resolver is displayable in car mode 4563 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4564 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4565 return ri; 4566 } 4567 } 4568 return null; 4569 } 4570 4571 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4572 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4573 final int N = query.size(); 4574 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4575 .get(userId); 4576 // Get the list of persistent preferred activities that handle the intent 4577 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4578 List<PersistentPreferredActivity> pprefs = ppir != null 4579 ? ppir.queryIntent(intent, resolvedType, 4580 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4581 : null; 4582 if (pprefs != null && pprefs.size() > 0) { 4583 final int M = pprefs.size(); 4584 for (int i=0; i<M; i++) { 4585 final PersistentPreferredActivity ppa = pprefs.get(i); 4586 if (DEBUG_PREFERRED || debug) { 4587 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4588 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4589 + "\n component=" + ppa.mComponent); 4590 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4591 } 4592 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4593 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4594 if (DEBUG_PREFERRED || debug) { 4595 Slog.v(TAG, "Found persistent preferred activity:"); 4596 if (ai != null) { 4597 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4598 } else { 4599 Slog.v(TAG, " null"); 4600 } 4601 } 4602 if (ai == null) { 4603 // This previously registered persistent preferred activity 4604 // component is no longer known. Ignore it and do NOT remove it. 4605 continue; 4606 } 4607 for (int j=0; j<N; j++) { 4608 final ResolveInfo ri = query.get(j); 4609 if (!ri.activityInfo.applicationInfo.packageName 4610 .equals(ai.applicationInfo.packageName)) { 4611 continue; 4612 } 4613 if (!ri.activityInfo.name.equals(ai.name)) { 4614 continue; 4615 } 4616 // Found a persistent preference that can handle the intent. 4617 if (DEBUG_PREFERRED || debug) { 4618 Slog.v(TAG, "Returning persistent preferred activity: " + 4619 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4620 } 4621 return ri; 4622 } 4623 } 4624 } 4625 return null; 4626 } 4627 4628 // TODO: handle preferred activities missing while user has amnesia 4629 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4630 List<ResolveInfo> query, int priority, boolean always, 4631 boolean removeMatches, boolean debug, int userId) { 4632 if (!sUserManager.exists(userId)) return null; 4633 flags = augmentFlagsForUser(flags, userId); 4634 // writer 4635 synchronized (mPackages) { 4636 if (intent.getSelector() != null) { 4637 intent = intent.getSelector(); 4638 } 4639 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4640 4641 // Try to find a matching persistent preferred activity. 4642 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4643 debug, userId); 4644 4645 // If a persistent preferred activity matched, use it. 4646 if (pri != null) { 4647 return pri; 4648 } 4649 4650 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4651 // Get the list of preferred activities that handle the intent 4652 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4653 List<PreferredActivity> prefs = pir != null 4654 ? pir.queryIntent(intent, resolvedType, 4655 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4656 : null; 4657 if (prefs != null && prefs.size() > 0) { 4658 boolean changed = false; 4659 try { 4660 // First figure out how good the original match set is. 4661 // We will only allow preferred activities that came 4662 // from the same match quality. 4663 int match = 0; 4664 4665 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4666 4667 final int N = query.size(); 4668 for (int j=0; j<N; j++) { 4669 final ResolveInfo ri = query.get(j); 4670 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4671 + ": 0x" + Integer.toHexString(match)); 4672 if (ri.match > match) { 4673 match = ri.match; 4674 } 4675 } 4676 4677 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4678 + Integer.toHexString(match)); 4679 4680 match &= IntentFilter.MATCH_CATEGORY_MASK; 4681 final int M = prefs.size(); 4682 for (int i=0; i<M; i++) { 4683 final PreferredActivity pa = prefs.get(i); 4684 if (DEBUG_PREFERRED || debug) { 4685 Slog.v(TAG, "Checking PreferredActivity ds=" 4686 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4687 + "\n component=" + pa.mPref.mComponent); 4688 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4689 } 4690 if (pa.mPref.mMatch != match) { 4691 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4692 + Integer.toHexString(pa.mPref.mMatch)); 4693 continue; 4694 } 4695 // If it's not an "always" type preferred activity and that's what we're 4696 // looking for, skip it. 4697 if (always && !pa.mPref.mAlways) { 4698 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4699 continue; 4700 } 4701 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4702 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4703 if (DEBUG_PREFERRED || debug) { 4704 Slog.v(TAG, "Found preferred activity:"); 4705 if (ai != null) { 4706 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4707 } else { 4708 Slog.v(TAG, " null"); 4709 } 4710 } 4711 if (ai == null) { 4712 // This previously registered preferred activity 4713 // component is no longer known. Most likely an update 4714 // to the app was installed and in the new version this 4715 // component no longer exists. Clean it up by removing 4716 // it from the preferred activities list, and skip it. 4717 Slog.w(TAG, "Removing dangling preferred activity: " 4718 + pa.mPref.mComponent); 4719 pir.removeFilter(pa); 4720 changed = true; 4721 continue; 4722 } 4723 for (int j=0; j<N; j++) { 4724 final ResolveInfo ri = query.get(j); 4725 if (!ri.activityInfo.applicationInfo.packageName 4726 .equals(ai.applicationInfo.packageName)) { 4727 continue; 4728 } 4729 if (!ri.activityInfo.name.equals(ai.name)) { 4730 continue; 4731 } 4732 4733 if (removeMatches) { 4734 pir.removeFilter(pa); 4735 changed = true; 4736 if (DEBUG_PREFERRED) { 4737 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4738 } 4739 break; 4740 } 4741 4742 // Okay we found a previously set preferred or last chosen app. 4743 // If the result set is different from when this 4744 // was created, we need to clear it and re-ask the 4745 // user their preference, if we're looking for an "always" type entry. 4746 if (always && !pa.mPref.sameSet(query)) { 4747 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4748 + intent + " type " + resolvedType); 4749 if (DEBUG_PREFERRED) { 4750 Slog.v(TAG, "Removing preferred activity since set changed " 4751 + pa.mPref.mComponent); 4752 } 4753 pir.removeFilter(pa); 4754 // Re-add the filter as a "last chosen" entry (!always) 4755 PreferredActivity lastChosen = new PreferredActivity( 4756 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4757 pir.addFilter(lastChosen); 4758 changed = true; 4759 return null; 4760 } 4761 4762 // Yay! Either the set matched or we're looking for the last chosen 4763 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4764 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4765 return ri; 4766 } 4767 } 4768 } finally { 4769 if (changed) { 4770 if (DEBUG_PREFERRED) { 4771 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4772 } 4773 scheduleWritePackageRestrictionsLocked(userId); 4774 } 4775 } 4776 } 4777 } 4778 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4779 return null; 4780 } 4781 4782 /* 4783 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4784 */ 4785 @Override 4786 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4787 int targetUserId) { 4788 mContext.enforceCallingOrSelfPermission( 4789 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4790 List<CrossProfileIntentFilter> matches = 4791 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4792 if (matches != null) { 4793 int size = matches.size(); 4794 for (int i = 0; i < size; i++) { 4795 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4796 } 4797 } 4798 if (hasWebURI(intent)) { 4799 // cross-profile app linking works only towards the parent. 4800 final UserInfo parent = getProfileParent(sourceUserId); 4801 synchronized(mPackages) { 4802 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4803 intent, resolvedType, 0, sourceUserId, parent.id); 4804 return xpDomainInfo != null; 4805 } 4806 } 4807 return false; 4808 } 4809 4810 private UserInfo getProfileParent(int userId) { 4811 final long identity = Binder.clearCallingIdentity(); 4812 try { 4813 return sUserManager.getProfileParent(userId); 4814 } finally { 4815 Binder.restoreCallingIdentity(identity); 4816 } 4817 } 4818 4819 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4820 String resolvedType, int userId) { 4821 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4822 if (resolver != null) { 4823 return resolver.queryIntent(intent, resolvedType, false, userId); 4824 } 4825 return null; 4826 } 4827 4828 @Override 4829 public List<ResolveInfo> queryIntentActivities(Intent intent, 4830 String resolvedType, int flags, int userId) { 4831 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4832 flags = augmentFlagsForUser(flags, userId); 4833 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4834 ComponentName comp = intent.getComponent(); 4835 if (comp == null) { 4836 if (intent.getSelector() != null) { 4837 intent = intent.getSelector(); 4838 comp = intent.getComponent(); 4839 } 4840 } 4841 4842 if (comp != null) { 4843 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4844 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4845 if (ai != null) { 4846 final ResolveInfo ri = new ResolveInfo(); 4847 ri.activityInfo = ai; 4848 list.add(ri); 4849 } 4850 return list; 4851 } 4852 4853 // reader 4854 synchronized (mPackages) { 4855 final String pkgName = intent.getPackage(); 4856 if (pkgName == null) { 4857 List<CrossProfileIntentFilter> matchingFilters = 4858 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4859 // Check for results that need to skip the current profile. 4860 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4861 resolvedType, flags, userId); 4862 if (xpResolveInfo != null) { 4863 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4864 result.add(xpResolveInfo); 4865 return filterIfNotSystemUser(result, userId); 4866 } 4867 4868 // Check for results in the current profile. 4869 List<ResolveInfo> result = mActivities.queryIntent( 4870 intent, resolvedType, flags, userId); 4871 4872 // Check for cross profile results. 4873 xpResolveInfo = queryCrossProfileIntents( 4874 matchingFilters, intent, resolvedType, flags, userId); 4875 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4876 result.add(xpResolveInfo); 4877 Collections.sort(result, mResolvePrioritySorter); 4878 } 4879 result = filterIfNotSystemUser(result, userId); 4880 if (hasWebURI(intent)) { 4881 CrossProfileDomainInfo xpDomainInfo = null; 4882 final UserInfo parent = getProfileParent(userId); 4883 if (parent != null) { 4884 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4885 flags, userId, parent.id); 4886 } 4887 if (xpDomainInfo != null) { 4888 if (xpResolveInfo != null) { 4889 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4890 // in the result. 4891 result.remove(xpResolveInfo); 4892 } 4893 if (result.size() == 0) { 4894 result.add(xpDomainInfo.resolveInfo); 4895 return result; 4896 } 4897 } else if (result.size() <= 1) { 4898 return result; 4899 } 4900 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4901 xpDomainInfo, userId); 4902 Collections.sort(result, mResolvePrioritySorter); 4903 } 4904 return result; 4905 } 4906 final PackageParser.Package pkg = mPackages.get(pkgName); 4907 if (pkg != null) { 4908 return filterIfNotSystemUser( 4909 mActivities.queryIntentForPackage( 4910 intent, resolvedType, flags, pkg.activities, userId), 4911 userId); 4912 } 4913 return new ArrayList<ResolveInfo>(); 4914 } 4915 } 4916 4917 private static class CrossProfileDomainInfo { 4918 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4919 ResolveInfo resolveInfo; 4920 /* Best domain verification status of the activities found in the other profile */ 4921 int bestDomainVerificationStatus; 4922 } 4923 4924 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4925 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4926 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4927 sourceUserId)) { 4928 return null; 4929 } 4930 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4931 resolvedType, flags, parentUserId); 4932 4933 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4934 return null; 4935 } 4936 CrossProfileDomainInfo result = null; 4937 int size = resultTargetUser.size(); 4938 for (int i = 0; i < size; i++) { 4939 ResolveInfo riTargetUser = resultTargetUser.get(i); 4940 // Intent filter verification is only for filters that specify a host. So don't return 4941 // those that handle all web uris. 4942 if (riTargetUser.handleAllWebDataURI) { 4943 continue; 4944 } 4945 String packageName = riTargetUser.activityInfo.packageName; 4946 PackageSetting ps = mSettings.mPackages.get(packageName); 4947 if (ps == null) { 4948 continue; 4949 } 4950 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4951 int status = (int)(verificationState >> 32); 4952 if (result == null) { 4953 result = new CrossProfileDomainInfo(); 4954 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 4955 sourceUserId, parentUserId); 4956 result.bestDomainVerificationStatus = status; 4957 } else { 4958 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4959 result.bestDomainVerificationStatus); 4960 } 4961 } 4962 // Don't consider matches with status NEVER across profiles. 4963 if (result != null && result.bestDomainVerificationStatus 4964 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4965 return null; 4966 } 4967 return result; 4968 } 4969 4970 /** 4971 * Verification statuses are ordered from the worse to the best, except for 4972 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4973 */ 4974 private int bestDomainVerificationStatus(int status1, int status2) { 4975 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4976 return status2; 4977 } 4978 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4979 return status1; 4980 } 4981 return (int) MathUtils.max(status1, status2); 4982 } 4983 4984 private boolean isUserEnabled(int userId) { 4985 long callingId = Binder.clearCallingIdentity(); 4986 try { 4987 UserInfo userInfo = sUserManager.getUserInfo(userId); 4988 return userInfo != null && userInfo.isEnabled(); 4989 } finally { 4990 Binder.restoreCallingIdentity(callingId); 4991 } 4992 } 4993 4994 /** 4995 * Filter out activities with systemUserOnly flag set, when current user is not System. 4996 * 4997 * @return filtered list 4998 */ 4999 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5000 if (userId == UserHandle.USER_SYSTEM) { 5001 return resolveInfos; 5002 } 5003 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5004 ResolveInfo info = resolveInfos.get(i); 5005 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5006 resolveInfos.remove(i); 5007 } 5008 } 5009 return resolveInfos; 5010 } 5011 5012 private static boolean hasWebURI(Intent intent) { 5013 if (intent.getData() == null) { 5014 return false; 5015 } 5016 final String scheme = intent.getScheme(); 5017 if (TextUtils.isEmpty(scheme)) { 5018 return false; 5019 } 5020 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5021 } 5022 5023 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5024 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5025 int userId) { 5026 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5027 5028 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5029 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5030 candidates.size()); 5031 } 5032 5033 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5034 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5035 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5036 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5037 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5038 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5039 5040 synchronized (mPackages) { 5041 final int count = candidates.size(); 5042 // First, try to use linked apps. Partition the candidates into four lists: 5043 // one for the final results, one for the "do not use ever", one for "undefined status" 5044 // and finally one for "browser app type". 5045 for (int n=0; n<count; n++) { 5046 ResolveInfo info = candidates.get(n); 5047 String packageName = info.activityInfo.packageName; 5048 PackageSetting ps = mSettings.mPackages.get(packageName); 5049 if (ps != null) { 5050 // Add to the special match all list (Browser use case) 5051 if (info.handleAllWebDataURI) { 5052 matchAllList.add(info); 5053 continue; 5054 } 5055 // Try to get the status from User settings first 5056 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5057 int status = (int)(packedStatus >> 32); 5058 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5059 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5060 if (DEBUG_DOMAIN_VERIFICATION) { 5061 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5062 + " : linkgen=" + linkGeneration); 5063 } 5064 // Use link-enabled generation as preferredOrder, i.e. 5065 // prefer newly-enabled over earlier-enabled. 5066 info.preferredOrder = linkGeneration; 5067 alwaysList.add(info); 5068 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5069 if (DEBUG_DOMAIN_VERIFICATION) { 5070 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5071 } 5072 neverList.add(info); 5073 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5074 if (DEBUG_DOMAIN_VERIFICATION) { 5075 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5076 } 5077 alwaysAskList.add(info); 5078 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5079 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5080 if (DEBUG_DOMAIN_VERIFICATION) { 5081 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5082 } 5083 undefinedList.add(info); 5084 } 5085 } 5086 } 5087 5088 // We'll want to include browser possibilities in a few cases 5089 boolean includeBrowser = false; 5090 5091 // First try to add the "always" resolution(s) for the current user, if any 5092 if (alwaysList.size() > 0) { 5093 result.addAll(alwaysList); 5094 } else { 5095 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5096 result.addAll(undefinedList); 5097 // Maybe add one for the other profile. 5098 if (xpDomainInfo != null && ( 5099 xpDomainInfo.bestDomainVerificationStatus 5100 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5101 result.add(xpDomainInfo.resolveInfo); 5102 } 5103 includeBrowser = true; 5104 } 5105 5106 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5107 // If there were 'always' entries their preferred order has been set, so we also 5108 // back that off to make the alternatives equivalent 5109 if (alwaysAskList.size() > 0) { 5110 for (ResolveInfo i : result) { 5111 i.preferredOrder = 0; 5112 } 5113 result.addAll(alwaysAskList); 5114 includeBrowser = true; 5115 } 5116 5117 if (includeBrowser) { 5118 // Also add browsers (all of them or only the default one) 5119 if (DEBUG_DOMAIN_VERIFICATION) { 5120 Slog.v(TAG, " ...including browsers in candidate set"); 5121 } 5122 if ((matchFlags & MATCH_ALL) != 0) { 5123 result.addAll(matchAllList); 5124 } else { 5125 // Browser/generic handling case. If there's a default browser, go straight 5126 // to that (but only if there is no other higher-priority match). 5127 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5128 int maxMatchPrio = 0; 5129 ResolveInfo defaultBrowserMatch = null; 5130 final int numCandidates = matchAllList.size(); 5131 for (int n = 0; n < numCandidates; n++) { 5132 ResolveInfo info = matchAllList.get(n); 5133 // track the highest overall match priority... 5134 if (info.priority > maxMatchPrio) { 5135 maxMatchPrio = info.priority; 5136 } 5137 // ...and the highest-priority default browser match 5138 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5139 if (defaultBrowserMatch == null 5140 || (defaultBrowserMatch.priority < info.priority)) { 5141 if (debug) { 5142 Slog.v(TAG, "Considering default browser match " + info); 5143 } 5144 defaultBrowserMatch = info; 5145 } 5146 } 5147 } 5148 if (defaultBrowserMatch != null 5149 && defaultBrowserMatch.priority >= maxMatchPrio 5150 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5151 { 5152 if (debug) { 5153 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5154 } 5155 result.add(defaultBrowserMatch); 5156 } else { 5157 result.addAll(matchAllList); 5158 } 5159 } 5160 5161 // If there is nothing selected, add all candidates and remove the ones that the user 5162 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5163 if (result.size() == 0) { 5164 result.addAll(candidates); 5165 result.removeAll(neverList); 5166 } 5167 } 5168 } 5169 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5170 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5171 result.size()); 5172 for (ResolveInfo info : result) { 5173 Slog.v(TAG, " + " + info.activityInfo); 5174 } 5175 } 5176 return result; 5177 } 5178 5179 // Returns a packed value as a long: 5180 // 5181 // high 'int'-sized word: link status: undefined/ask/never/always. 5182 // low 'int'-sized word: relative priority among 'always' results. 5183 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5184 long result = ps.getDomainVerificationStatusForUser(userId); 5185 // if none available, get the master status 5186 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5187 if (ps.getIntentFilterVerificationInfo() != null) { 5188 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5189 } 5190 } 5191 return result; 5192 } 5193 5194 private ResolveInfo querySkipCurrentProfileIntents( 5195 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5196 int flags, int sourceUserId) { 5197 if (matchingFilters != null) { 5198 int size = matchingFilters.size(); 5199 for (int i = 0; i < size; i ++) { 5200 CrossProfileIntentFilter filter = matchingFilters.get(i); 5201 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5202 // Checking if there are activities in the target user that can handle the 5203 // intent. 5204 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5205 resolvedType, flags, sourceUserId); 5206 if (resolveInfo != null) { 5207 return resolveInfo; 5208 } 5209 } 5210 } 5211 } 5212 return null; 5213 } 5214 5215 // Return matching ResolveInfo if any for skip current profile intent filters. 5216 private ResolveInfo queryCrossProfileIntents( 5217 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5218 int flags, int sourceUserId) { 5219 if (matchingFilters != null) { 5220 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5221 // match the same intent. For performance reasons, it is better not to 5222 // run queryIntent twice for the same userId 5223 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5224 int size = matchingFilters.size(); 5225 for (int i = 0; i < size; i++) { 5226 CrossProfileIntentFilter filter = matchingFilters.get(i); 5227 int targetUserId = filter.getTargetUserId(); 5228 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 5229 && !alreadyTriedUserIds.get(targetUserId)) { 5230 // Checking if there are activities in the target user that can handle the 5231 // intent. 5232 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5233 resolvedType, flags, sourceUserId); 5234 if (resolveInfo != null) return resolveInfo; 5235 alreadyTriedUserIds.put(targetUserId, true); 5236 } 5237 } 5238 } 5239 return null; 5240 } 5241 5242 /** 5243 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5244 * will forward the intent to the filter's target user. 5245 * Otherwise, returns null. 5246 */ 5247 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5248 String resolvedType, int flags, int sourceUserId) { 5249 int targetUserId = filter.getTargetUserId(); 5250 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5251 resolvedType, flags, targetUserId); 5252 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5253 && isUserEnabled(targetUserId)) { 5254 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5255 } 5256 return null; 5257 } 5258 5259 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5260 int sourceUserId, int targetUserId) { 5261 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5262 long ident = Binder.clearCallingIdentity(); 5263 boolean targetIsProfile; 5264 try { 5265 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5266 } finally { 5267 Binder.restoreCallingIdentity(ident); 5268 } 5269 String className; 5270 if (targetIsProfile) { 5271 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5272 } else { 5273 className = FORWARD_INTENT_TO_PARENT; 5274 } 5275 ComponentName forwardingActivityComponentName = new ComponentName( 5276 mAndroidApplication.packageName, className); 5277 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5278 sourceUserId); 5279 if (!targetIsProfile) { 5280 forwardingActivityInfo.showUserIcon = targetUserId; 5281 forwardingResolveInfo.noResourceId = true; 5282 } 5283 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5284 forwardingResolveInfo.priority = 0; 5285 forwardingResolveInfo.preferredOrder = 0; 5286 forwardingResolveInfo.match = 0; 5287 forwardingResolveInfo.isDefault = true; 5288 forwardingResolveInfo.filter = filter; 5289 forwardingResolveInfo.targetUserId = targetUserId; 5290 return forwardingResolveInfo; 5291 } 5292 5293 @Override 5294 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5295 Intent[] specifics, String[] specificTypes, Intent intent, 5296 String resolvedType, int flags, int userId) { 5297 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5298 flags = augmentFlagsForUser(flags, userId); 5299 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5300 false, "query intent activity options"); 5301 final String resultsAction = intent.getAction(); 5302 5303 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5304 | PackageManager.GET_RESOLVED_FILTER, userId); 5305 5306 if (DEBUG_INTENT_MATCHING) { 5307 Log.v(TAG, "Query " + intent + ": " + results); 5308 } 5309 5310 int specificsPos = 0; 5311 int N; 5312 5313 // todo: note that the algorithm used here is O(N^2). This 5314 // isn't a problem in our current environment, but if we start running 5315 // into situations where we have more than 5 or 10 matches then this 5316 // should probably be changed to something smarter... 5317 5318 // First we go through and resolve each of the specific items 5319 // that were supplied, taking care of removing any corresponding 5320 // duplicate items in the generic resolve list. 5321 if (specifics != null) { 5322 for (int i=0; i<specifics.length; i++) { 5323 final Intent sintent = specifics[i]; 5324 if (sintent == null) { 5325 continue; 5326 } 5327 5328 if (DEBUG_INTENT_MATCHING) { 5329 Log.v(TAG, "Specific #" + i + ": " + sintent); 5330 } 5331 5332 String action = sintent.getAction(); 5333 if (resultsAction != null && resultsAction.equals(action)) { 5334 // If this action was explicitly requested, then don't 5335 // remove things that have it. 5336 action = null; 5337 } 5338 5339 ResolveInfo ri = null; 5340 ActivityInfo ai = null; 5341 5342 ComponentName comp = sintent.getComponent(); 5343 if (comp == null) { 5344 ri = resolveIntent( 5345 sintent, 5346 specificTypes != null ? specificTypes[i] : null, 5347 flags, userId); 5348 if (ri == null) { 5349 continue; 5350 } 5351 if (ri == mResolveInfo) { 5352 // ACK! Must do something better with this. 5353 } 5354 ai = ri.activityInfo; 5355 comp = new ComponentName(ai.applicationInfo.packageName, 5356 ai.name); 5357 } else { 5358 ai = getActivityInfo(comp, flags, userId); 5359 if (ai == null) { 5360 continue; 5361 } 5362 } 5363 5364 // Look for any generic query activities that are duplicates 5365 // of this specific one, and remove them from the results. 5366 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5367 N = results.size(); 5368 int j; 5369 for (j=specificsPos; j<N; j++) { 5370 ResolveInfo sri = results.get(j); 5371 if ((sri.activityInfo.name.equals(comp.getClassName()) 5372 && sri.activityInfo.applicationInfo.packageName.equals( 5373 comp.getPackageName())) 5374 || (action != null && sri.filter.matchAction(action))) { 5375 results.remove(j); 5376 if (DEBUG_INTENT_MATCHING) Log.v( 5377 TAG, "Removing duplicate item from " + j 5378 + " due to specific " + specificsPos); 5379 if (ri == null) { 5380 ri = sri; 5381 } 5382 j--; 5383 N--; 5384 } 5385 } 5386 5387 // Add this specific item to its proper place. 5388 if (ri == null) { 5389 ri = new ResolveInfo(); 5390 ri.activityInfo = ai; 5391 } 5392 results.add(specificsPos, ri); 5393 ri.specificIndex = i; 5394 specificsPos++; 5395 } 5396 } 5397 5398 // Now we go through the remaining generic results and remove any 5399 // duplicate actions that are found here. 5400 N = results.size(); 5401 for (int i=specificsPos; i<N-1; i++) { 5402 final ResolveInfo rii = results.get(i); 5403 if (rii.filter == null) { 5404 continue; 5405 } 5406 5407 // Iterate over all of the actions of this result's intent 5408 // filter... typically this should be just one. 5409 final Iterator<String> it = rii.filter.actionsIterator(); 5410 if (it == null) { 5411 continue; 5412 } 5413 while (it.hasNext()) { 5414 final String action = it.next(); 5415 if (resultsAction != null && resultsAction.equals(action)) { 5416 // If this action was explicitly requested, then don't 5417 // remove things that have it. 5418 continue; 5419 } 5420 for (int j=i+1; j<N; j++) { 5421 final ResolveInfo rij = results.get(j); 5422 if (rij.filter != null && rij.filter.hasAction(action)) { 5423 results.remove(j); 5424 if (DEBUG_INTENT_MATCHING) Log.v( 5425 TAG, "Removing duplicate item from " + j 5426 + " due to action " + action + " at " + i); 5427 j--; 5428 N--; 5429 } 5430 } 5431 } 5432 5433 // If the caller didn't request filter information, drop it now 5434 // so we don't have to marshall/unmarshall it. 5435 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5436 rii.filter = null; 5437 } 5438 } 5439 5440 // Filter out the caller activity if so requested. 5441 if (caller != null) { 5442 N = results.size(); 5443 for (int i=0; i<N; i++) { 5444 ActivityInfo ainfo = results.get(i).activityInfo; 5445 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5446 && caller.getClassName().equals(ainfo.name)) { 5447 results.remove(i); 5448 break; 5449 } 5450 } 5451 } 5452 5453 // If the caller didn't request filter information, 5454 // drop them now so we don't have to 5455 // marshall/unmarshall it. 5456 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5457 N = results.size(); 5458 for (int i=0; i<N; i++) { 5459 results.get(i).filter = null; 5460 } 5461 } 5462 5463 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5464 return results; 5465 } 5466 5467 @Override 5468 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5469 int userId) { 5470 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5471 flags = augmentFlagsForUser(flags, userId); 5472 ComponentName comp = intent.getComponent(); 5473 if (comp == null) { 5474 if (intent.getSelector() != null) { 5475 intent = intent.getSelector(); 5476 comp = intent.getComponent(); 5477 } 5478 } 5479 if (comp != null) { 5480 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5481 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5482 if (ai != null) { 5483 ResolveInfo ri = new ResolveInfo(); 5484 ri.activityInfo = ai; 5485 list.add(ri); 5486 } 5487 return list; 5488 } 5489 5490 // reader 5491 synchronized (mPackages) { 5492 String pkgName = intent.getPackage(); 5493 if (pkgName == null) { 5494 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5495 } 5496 final PackageParser.Package pkg = mPackages.get(pkgName); 5497 if (pkg != null) { 5498 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5499 userId); 5500 } 5501 return null; 5502 } 5503 } 5504 5505 @Override 5506 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5507 if (!sUserManager.exists(userId)) return null; 5508 flags = augmentFlagsForUser(flags, userId); 5509 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5510 if (query != null) { 5511 if (query.size() >= 1) { 5512 // If there is more than one service with the same priority, 5513 // just arbitrarily pick the first one. 5514 return query.get(0); 5515 } 5516 } 5517 return null; 5518 } 5519 5520 @Override 5521 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5522 int userId) { 5523 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5524 flags = augmentFlagsForUser(flags, userId); 5525 ComponentName comp = intent.getComponent(); 5526 if (comp == null) { 5527 if (intent.getSelector() != null) { 5528 intent = intent.getSelector(); 5529 comp = intent.getComponent(); 5530 } 5531 } 5532 if (comp != null) { 5533 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5534 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5535 if (si != null) { 5536 final ResolveInfo ri = new ResolveInfo(); 5537 ri.serviceInfo = si; 5538 list.add(ri); 5539 } 5540 return list; 5541 } 5542 5543 // reader 5544 synchronized (mPackages) { 5545 String pkgName = intent.getPackage(); 5546 if (pkgName == null) { 5547 return mServices.queryIntent(intent, resolvedType, flags, userId); 5548 } 5549 final PackageParser.Package pkg = mPackages.get(pkgName); 5550 if (pkg != null) { 5551 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5552 userId); 5553 } 5554 return null; 5555 } 5556 } 5557 5558 @Override 5559 public List<ResolveInfo> queryIntentContentProviders( 5560 Intent intent, String resolvedType, int flags, int userId) { 5561 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5562 flags = augmentFlagsForUser(flags, userId); 5563 ComponentName comp = intent.getComponent(); 5564 if (comp == null) { 5565 if (intent.getSelector() != null) { 5566 intent = intent.getSelector(); 5567 comp = intent.getComponent(); 5568 } 5569 } 5570 if (comp != null) { 5571 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5572 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5573 if (pi != null) { 5574 final ResolveInfo ri = new ResolveInfo(); 5575 ri.providerInfo = pi; 5576 list.add(ri); 5577 } 5578 return list; 5579 } 5580 5581 // reader 5582 synchronized (mPackages) { 5583 String pkgName = intent.getPackage(); 5584 if (pkgName == null) { 5585 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5586 } 5587 final PackageParser.Package pkg = mPackages.get(pkgName); 5588 if (pkg != null) { 5589 return mProviders.queryIntentForPackage( 5590 intent, resolvedType, flags, pkg.providers, userId); 5591 } 5592 return null; 5593 } 5594 } 5595 5596 @Override 5597 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5598 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5599 5600 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5601 5602 // writer 5603 synchronized (mPackages) { 5604 ArrayList<PackageInfo> list; 5605 if (listUninstalled) { 5606 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5607 for (PackageSetting ps : mSettings.mPackages.values()) { 5608 PackageInfo pi; 5609 if (ps.pkg != null) { 5610 pi = generatePackageInfo(ps.pkg, flags, userId); 5611 } else { 5612 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5613 } 5614 if (pi != null) { 5615 list.add(pi); 5616 } 5617 } 5618 } else { 5619 list = new ArrayList<PackageInfo>(mPackages.size()); 5620 for (PackageParser.Package p : mPackages.values()) { 5621 PackageInfo pi = generatePackageInfo(p, flags, userId); 5622 if (pi != null) { 5623 list.add(pi); 5624 } 5625 } 5626 } 5627 5628 return new ParceledListSlice<PackageInfo>(list); 5629 } 5630 } 5631 5632 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5633 String[] permissions, boolean[] tmp, int flags, int userId) { 5634 int numMatch = 0; 5635 final PermissionsState permissionsState = ps.getPermissionsState(); 5636 for (int i=0; i<permissions.length; i++) { 5637 final String permission = permissions[i]; 5638 if (permissionsState.hasPermission(permission, userId)) { 5639 tmp[i] = true; 5640 numMatch++; 5641 } else { 5642 tmp[i] = false; 5643 } 5644 } 5645 if (numMatch == 0) { 5646 return; 5647 } 5648 PackageInfo pi; 5649 if (ps.pkg != null) { 5650 pi = generatePackageInfo(ps.pkg, flags, userId); 5651 } else { 5652 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5653 } 5654 // The above might return null in cases of uninstalled apps or install-state 5655 // skew across users/profiles. 5656 if (pi != null) { 5657 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5658 if (numMatch == permissions.length) { 5659 pi.requestedPermissions = permissions; 5660 } else { 5661 pi.requestedPermissions = new String[numMatch]; 5662 numMatch = 0; 5663 for (int i=0; i<permissions.length; i++) { 5664 if (tmp[i]) { 5665 pi.requestedPermissions[numMatch] = permissions[i]; 5666 numMatch++; 5667 } 5668 } 5669 } 5670 } 5671 list.add(pi); 5672 } 5673 } 5674 5675 @Override 5676 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5677 String[] permissions, int flags, int userId) { 5678 if (!sUserManager.exists(userId)) return null; 5679 flags = augmentFlagsForUser(flags, userId); 5680 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5681 5682 // writer 5683 synchronized (mPackages) { 5684 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5685 boolean[] tmpBools = new boolean[permissions.length]; 5686 if (listUninstalled) { 5687 for (PackageSetting ps : mSettings.mPackages.values()) { 5688 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5689 } 5690 } else { 5691 for (PackageParser.Package pkg : mPackages.values()) { 5692 PackageSetting ps = (PackageSetting)pkg.mExtras; 5693 if (ps != null) { 5694 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5695 userId); 5696 } 5697 } 5698 } 5699 5700 return new ParceledListSlice<PackageInfo>(list); 5701 } 5702 } 5703 5704 @Override 5705 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5706 if (!sUserManager.exists(userId)) return null; 5707 flags = augmentFlagsForUser(flags, userId); 5708 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5709 5710 // writer 5711 synchronized (mPackages) { 5712 ArrayList<ApplicationInfo> list; 5713 if (listUninstalled) { 5714 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5715 for (PackageSetting ps : mSettings.mPackages.values()) { 5716 ApplicationInfo ai; 5717 if (ps.pkg != null) { 5718 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5719 ps.readUserState(userId), userId); 5720 } else { 5721 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5722 } 5723 if (ai != null) { 5724 list.add(ai); 5725 } 5726 } 5727 } else { 5728 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5729 for (PackageParser.Package p : mPackages.values()) { 5730 if (p.mExtras != null) { 5731 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5732 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5733 if (ai != null) { 5734 list.add(ai); 5735 } 5736 } 5737 } 5738 } 5739 5740 return new ParceledListSlice<ApplicationInfo>(list); 5741 } 5742 } 5743 5744 public List<ApplicationInfo> getPersistentApplications(int flags) { 5745 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5746 5747 // reader 5748 synchronized (mPackages) { 5749 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5750 final int userId = UserHandle.getCallingUserId(); 5751 while (i.hasNext()) { 5752 final PackageParser.Package p = i.next(); 5753 if (p.applicationInfo != null 5754 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5755 && (!mSafeMode || isSystemApp(p))) { 5756 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5757 if (ps != null) { 5758 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5759 ps.readUserState(userId), userId); 5760 if (ai != null) { 5761 finalList.add(ai); 5762 } 5763 } 5764 } 5765 } 5766 } 5767 5768 return finalList; 5769 } 5770 5771 @Override 5772 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5773 if (!sUserManager.exists(userId)) return null; 5774 flags = augmentFlagsForUser(flags, userId); 5775 // reader 5776 synchronized (mPackages) { 5777 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5778 PackageSetting ps = provider != null 5779 ? mSettings.mPackages.get(provider.owner.packageName) 5780 : null; 5781 return ps != null 5782 && mSettings.isEnabledAndVisibleLPr(provider.info, flags, userId) 5783 && (!mSafeMode || (provider.info.applicationInfo.flags 5784 &ApplicationInfo.FLAG_SYSTEM) != 0) 5785 ? PackageParser.generateProviderInfo(provider, flags, 5786 ps.readUserState(userId), userId) 5787 : null; 5788 } 5789 } 5790 5791 /** 5792 * @deprecated 5793 */ 5794 @Deprecated 5795 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5796 // reader 5797 synchronized (mPackages) { 5798 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5799 .entrySet().iterator(); 5800 final int userId = UserHandle.getCallingUserId(); 5801 while (i.hasNext()) { 5802 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5803 PackageParser.Provider p = entry.getValue(); 5804 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5805 5806 if (ps != null && p.syncable 5807 && (!mSafeMode || (p.info.applicationInfo.flags 5808 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5809 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5810 ps.readUserState(userId), userId); 5811 if (info != null) { 5812 outNames.add(entry.getKey()); 5813 outInfo.add(info); 5814 } 5815 } 5816 } 5817 } 5818 } 5819 5820 @Override 5821 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5822 int uid, int flags) { 5823 final int userId = processName != null ? UserHandle.getUserId(uid) 5824 : UserHandle.getCallingUserId(); 5825 if (!sUserManager.exists(userId)) return null; 5826 flags = augmentFlagsForUser(flags, userId); 5827 5828 ArrayList<ProviderInfo> finalList = null; 5829 // reader 5830 synchronized (mPackages) { 5831 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5832 while (i.hasNext()) { 5833 final PackageParser.Provider p = i.next(); 5834 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5835 if (ps != null && p.info.authority != null 5836 && (processName == null 5837 || (p.info.processName.equals(processName) 5838 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5839 && mSettings.isEnabledAndVisibleLPr(p.info, flags, userId) 5840 && (!mSafeMode 5841 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5842 if (finalList == null) { 5843 finalList = new ArrayList<ProviderInfo>(3); 5844 } 5845 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5846 ps.readUserState(userId), userId); 5847 if (info != null) { 5848 finalList.add(info); 5849 } 5850 } 5851 } 5852 } 5853 5854 if (finalList != null) { 5855 Collections.sort(finalList, mProviderInitOrderSorter); 5856 return new ParceledListSlice<ProviderInfo>(finalList); 5857 } 5858 5859 return null; 5860 } 5861 5862 @Override 5863 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5864 int flags) { 5865 // reader 5866 synchronized (mPackages) { 5867 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5868 return PackageParser.generateInstrumentationInfo(i, flags); 5869 } 5870 } 5871 5872 @Override 5873 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5874 int flags) { 5875 ArrayList<InstrumentationInfo> finalList = 5876 new ArrayList<InstrumentationInfo>(); 5877 5878 // reader 5879 synchronized (mPackages) { 5880 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5881 while (i.hasNext()) { 5882 final PackageParser.Instrumentation p = i.next(); 5883 if (targetPackage == null 5884 || targetPackage.equals(p.info.targetPackage)) { 5885 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5886 flags); 5887 if (ii != null) { 5888 finalList.add(ii); 5889 } 5890 } 5891 } 5892 } 5893 5894 return finalList; 5895 } 5896 5897 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5898 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5899 if (overlays == null) { 5900 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5901 return; 5902 } 5903 for (PackageParser.Package opkg : overlays.values()) { 5904 // Not much to do if idmap fails: we already logged the error 5905 // and we certainly don't want to abort installation of pkg simply 5906 // because an overlay didn't fit properly. For these reasons, 5907 // ignore the return value of createIdmapForPackagePairLI. 5908 createIdmapForPackagePairLI(pkg, opkg); 5909 } 5910 } 5911 5912 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5913 PackageParser.Package opkg) { 5914 if (!opkg.mTrustedOverlay) { 5915 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5916 opkg.baseCodePath + ": overlay not trusted"); 5917 return false; 5918 } 5919 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5920 if (overlaySet == null) { 5921 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5922 opkg.baseCodePath + " but target package has no known overlays"); 5923 return false; 5924 } 5925 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5926 // TODO: generate idmap for split APKs 5927 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5928 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5929 + opkg.baseCodePath); 5930 return false; 5931 } 5932 PackageParser.Package[] overlayArray = 5933 overlaySet.values().toArray(new PackageParser.Package[0]); 5934 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5935 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5936 return p1.mOverlayPriority - p2.mOverlayPriority; 5937 } 5938 }; 5939 Arrays.sort(overlayArray, cmp); 5940 5941 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5942 int i = 0; 5943 for (PackageParser.Package p : overlayArray) { 5944 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5945 } 5946 return true; 5947 } 5948 5949 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5950 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 5951 try { 5952 scanDirLI(dir, parseFlags, scanFlags, currentTime); 5953 } finally { 5954 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5955 } 5956 } 5957 5958 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5959 final File[] files = dir.listFiles(); 5960 if (ArrayUtils.isEmpty(files)) { 5961 Log.d(TAG, "No files in app dir " + dir); 5962 return; 5963 } 5964 5965 if (DEBUG_PACKAGE_SCANNING) { 5966 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5967 + " flags=0x" + Integer.toHexString(parseFlags)); 5968 } 5969 5970 for (File file : files) { 5971 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5972 && !PackageInstallerService.isStageName(file.getName()); 5973 if (!isPackage) { 5974 // Ignore entries which are not packages 5975 continue; 5976 } 5977 try { 5978 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5979 scanFlags, currentTime, null); 5980 } catch (PackageManagerException e) { 5981 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5982 5983 // Delete invalid userdata apps 5984 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5985 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5986 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5987 if (file.isDirectory()) { 5988 mInstaller.rmPackageDir(file.getAbsolutePath()); 5989 } else { 5990 file.delete(); 5991 } 5992 } 5993 } 5994 } 5995 } 5996 5997 private static File getSettingsProblemFile() { 5998 File dataDir = Environment.getDataDirectory(); 5999 File systemDir = new File(dataDir, "system"); 6000 File fname = new File(systemDir, "uiderrors.txt"); 6001 return fname; 6002 } 6003 6004 static void reportSettingsProblem(int priority, String msg) { 6005 logCriticalInfo(priority, msg); 6006 } 6007 6008 static void logCriticalInfo(int priority, String msg) { 6009 Slog.println(priority, TAG, msg); 6010 EventLogTags.writePmCriticalInfo(msg); 6011 try { 6012 File fname = getSettingsProblemFile(); 6013 FileOutputStream out = new FileOutputStream(fname, true); 6014 PrintWriter pw = new FastPrintWriter(out); 6015 SimpleDateFormat formatter = new SimpleDateFormat(); 6016 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6017 pw.println(dateString + ": " + msg); 6018 pw.close(); 6019 FileUtils.setPermissions( 6020 fname.toString(), 6021 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6022 -1, -1); 6023 } catch (java.io.IOException e) { 6024 } 6025 } 6026 6027 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6028 PackageParser.Package pkg, File srcFile, int parseFlags) 6029 throws PackageManagerException { 6030 if (ps != null 6031 && ps.codePath.equals(srcFile) 6032 && ps.timeStamp == srcFile.lastModified() 6033 && !isCompatSignatureUpdateNeeded(pkg) 6034 && !isRecoverSignatureUpdateNeeded(pkg)) { 6035 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6036 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6037 ArraySet<PublicKey> signingKs; 6038 synchronized (mPackages) { 6039 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6040 } 6041 if (ps.signatures.mSignatures != null 6042 && ps.signatures.mSignatures.length != 0 6043 && signingKs != null) { 6044 // Optimization: reuse the existing cached certificates 6045 // if the package appears to be unchanged. 6046 pkg.mSignatures = ps.signatures.mSignatures; 6047 pkg.mSigningKeys = signingKs; 6048 return; 6049 } 6050 6051 Slog.w(TAG, "PackageSetting for " + ps.name 6052 + " is missing signatures. Collecting certs again to recover them."); 6053 } else { 6054 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6055 } 6056 6057 try { 6058 pp.collectCertificates(pkg, parseFlags); 6059 pp.collectManifestDigest(pkg); 6060 } catch (PackageParserException e) { 6061 throw PackageManagerException.from(e); 6062 } 6063 } 6064 6065 /** 6066 * Traces a package scan. 6067 * @see #scanPackageLI(File, int, int, long, UserHandle) 6068 */ 6069 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6070 long currentTime, UserHandle user) throws PackageManagerException { 6071 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6072 try { 6073 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6074 } finally { 6075 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6076 } 6077 } 6078 6079 /** 6080 * Scans a package and returns the newly parsed package. 6081 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6082 */ 6083 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6084 long currentTime, UserHandle user) throws PackageManagerException { 6085 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6086 parseFlags |= mDefParseFlags; 6087 PackageParser pp = new PackageParser(); 6088 pp.setSeparateProcesses(mSeparateProcesses); 6089 pp.setOnlyCoreApps(mOnlyCore); 6090 pp.setDisplayMetrics(mMetrics); 6091 6092 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6093 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6094 } 6095 6096 final PackageParser.Package pkg; 6097 try { 6098 pkg = pp.parsePackage(scanFile, parseFlags); 6099 } catch (PackageParserException e) { 6100 throw PackageManagerException.from(e); 6101 } 6102 6103 PackageSetting ps = null; 6104 PackageSetting updatedPkg; 6105 // reader 6106 synchronized (mPackages) { 6107 // Look to see if we already know about this package. 6108 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6109 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6110 // This package has been renamed to its original name. Let's 6111 // use that. 6112 ps = mSettings.peekPackageLPr(oldName); 6113 } 6114 // If there was no original package, see one for the real package name. 6115 if (ps == null) { 6116 ps = mSettings.peekPackageLPr(pkg.packageName); 6117 } 6118 // Check to see if this package could be hiding/updating a system 6119 // package. Must look for it either under the original or real 6120 // package name depending on our state. 6121 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6122 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6123 } 6124 boolean updatedPkgBetter = false; 6125 // First check if this is a system package that may involve an update 6126 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6127 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6128 // it needs to drop FLAG_PRIVILEGED. 6129 if (locationIsPrivileged(scanFile)) { 6130 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6131 } else { 6132 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6133 } 6134 6135 if (ps != null && !ps.codePath.equals(scanFile)) { 6136 // The path has changed from what was last scanned... check the 6137 // version of the new path against what we have stored to determine 6138 // what to do. 6139 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6140 if (pkg.mVersionCode <= ps.versionCode) { 6141 // The system package has been updated and the code path does not match 6142 // Ignore entry. Skip it. 6143 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6144 + " ignored: updated version " + ps.versionCode 6145 + " better than this " + pkg.mVersionCode); 6146 if (!updatedPkg.codePath.equals(scanFile)) { 6147 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 6148 + ps.name + " changing from " + updatedPkg.codePathString 6149 + " to " + scanFile); 6150 updatedPkg.codePath = scanFile; 6151 updatedPkg.codePathString = scanFile.toString(); 6152 updatedPkg.resourcePath = scanFile; 6153 updatedPkg.resourcePathString = scanFile.toString(); 6154 } 6155 updatedPkg.pkg = pkg; 6156 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6157 "Package " + ps.name + " at " + scanFile 6158 + " ignored: updated version " + ps.versionCode 6159 + " better than this " + pkg.mVersionCode); 6160 } else { 6161 // The current app on the system partition is better than 6162 // what we have updated to on the data partition; switch 6163 // back to the system partition version. 6164 // At this point, its safely assumed that package installation for 6165 // apps in system partition will go through. If not there won't be a working 6166 // version of the app 6167 // writer 6168 synchronized (mPackages) { 6169 // Just remove the loaded entries from package lists. 6170 mPackages.remove(ps.name); 6171 } 6172 6173 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6174 + " reverting from " + ps.codePathString 6175 + ": new version " + pkg.mVersionCode 6176 + " better than installed " + ps.versionCode); 6177 6178 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6179 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6180 synchronized (mInstallLock) { 6181 args.cleanUpResourcesLI(); 6182 } 6183 synchronized (mPackages) { 6184 mSettings.enableSystemPackageLPw(ps.name); 6185 } 6186 updatedPkgBetter = true; 6187 } 6188 } 6189 } 6190 6191 if (updatedPkg != null) { 6192 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6193 // initially 6194 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6195 6196 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6197 // flag set initially 6198 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6199 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6200 } 6201 } 6202 6203 // Verify certificates against what was last scanned 6204 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6205 6206 /* 6207 * A new system app appeared, but we already had a non-system one of the 6208 * same name installed earlier. 6209 */ 6210 boolean shouldHideSystemApp = false; 6211 if (updatedPkg == null && ps != null 6212 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6213 /* 6214 * Check to make sure the signatures match first. If they don't, 6215 * wipe the installed application and its data. 6216 */ 6217 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6218 != PackageManager.SIGNATURE_MATCH) { 6219 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6220 + " signatures don't match existing userdata copy; removing"); 6221 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6222 ps = null; 6223 } else { 6224 /* 6225 * If the newly-added system app is an older version than the 6226 * already installed version, hide it. It will be scanned later 6227 * and re-added like an update. 6228 */ 6229 if (pkg.mVersionCode <= ps.versionCode) { 6230 shouldHideSystemApp = true; 6231 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6232 + " but new version " + pkg.mVersionCode + " better than installed " 6233 + ps.versionCode + "; hiding system"); 6234 } else { 6235 /* 6236 * The newly found system app is a newer version that the 6237 * one previously installed. Simply remove the 6238 * already-installed application and replace it with our own 6239 * while keeping the application data. 6240 */ 6241 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6242 + " reverting from " + ps.codePathString + ": new version " 6243 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6244 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6245 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6246 synchronized (mInstallLock) { 6247 args.cleanUpResourcesLI(); 6248 } 6249 } 6250 } 6251 } 6252 6253 // The apk is forward locked (not public) if its code and resources 6254 // are kept in different files. (except for app in either system or 6255 // vendor path). 6256 // TODO grab this value from PackageSettings 6257 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6258 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6259 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6260 } 6261 } 6262 6263 // TODO: extend to support forward-locked splits 6264 String resourcePath = null; 6265 String baseResourcePath = null; 6266 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6267 if (ps != null && ps.resourcePathString != null) { 6268 resourcePath = ps.resourcePathString; 6269 baseResourcePath = ps.resourcePathString; 6270 } else { 6271 // Should not happen at all. Just log an error. 6272 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 6273 } 6274 } else { 6275 resourcePath = pkg.codePath; 6276 baseResourcePath = pkg.baseCodePath; 6277 } 6278 6279 // Set application objects path explicitly. 6280 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6281 pkg.applicationInfo.setCodePath(pkg.codePath); 6282 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6283 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6284 pkg.applicationInfo.setResourcePath(resourcePath); 6285 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6286 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6287 6288 // Note that we invoke the following method only if we are about to unpack an application 6289 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6290 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6291 6292 /* 6293 * If the system app should be overridden by a previously installed 6294 * data, hide the system app now and let the /data/app scan pick it up 6295 * again. 6296 */ 6297 if (shouldHideSystemApp) { 6298 synchronized (mPackages) { 6299 mSettings.disableSystemPackageLPw(pkg.packageName); 6300 } 6301 } 6302 6303 return scannedPkg; 6304 } 6305 6306 private static String fixProcessName(String defProcessName, 6307 String processName, int uid) { 6308 if (processName == null) { 6309 return defProcessName; 6310 } 6311 return processName; 6312 } 6313 6314 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6315 throws PackageManagerException { 6316 if (pkgSetting.signatures.mSignatures != null) { 6317 // Already existing package. Make sure signatures match 6318 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6319 == PackageManager.SIGNATURE_MATCH; 6320 if (!match) { 6321 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6322 == PackageManager.SIGNATURE_MATCH; 6323 } 6324 if (!match) { 6325 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6326 == PackageManager.SIGNATURE_MATCH; 6327 } 6328 if (!match) { 6329 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6330 + pkg.packageName + " signatures do not match the " 6331 + "previously installed version; ignoring!"); 6332 } 6333 } 6334 6335 // Check for shared user signatures 6336 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6337 // Already existing package. Make sure signatures match 6338 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6339 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6340 if (!match) { 6341 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6342 == PackageManager.SIGNATURE_MATCH; 6343 } 6344 if (!match) { 6345 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6346 == PackageManager.SIGNATURE_MATCH; 6347 } 6348 if (!match) { 6349 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6350 "Package " + pkg.packageName 6351 + " has no signatures that match those in shared user " 6352 + pkgSetting.sharedUser.name + "; ignoring!"); 6353 } 6354 } 6355 } 6356 6357 /** 6358 * Enforces that only the system UID or root's UID can call a method exposed 6359 * via Binder. 6360 * 6361 * @param message used as message if SecurityException is thrown 6362 * @throws SecurityException if the caller is not system or root 6363 */ 6364 private static final void enforceSystemOrRoot(String message) { 6365 final int uid = Binder.getCallingUid(); 6366 if (uid != Process.SYSTEM_UID && uid != 0) { 6367 throw new SecurityException(message); 6368 } 6369 } 6370 6371 @Override 6372 public void performFstrimIfNeeded() { 6373 enforceSystemOrRoot("Only the system can request fstrim"); 6374 6375 // Before everything else, see whether we need to fstrim. 6376 try { 6377 IMountService ms = PackageHelper.getMountService(); 6378 if (ms != null) { 6379 final boolean isUpgrade = isUpgrade(); 6380 boolean doTrim = isUpgrade; 6381 if (doTrim) { 6382 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6383 } else { 6384 final long interval = android.provider.Settings.Global.getLong( 6385 mContext.getContentResolver(), 6386 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6387 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6388 if (interval > 0) { 6389 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6390 if (timeSinceLast > interval) { 6391 doTrim = true; 6392 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6393 + "; running immediately"); 6394 } 6395 } 6396 } 6397 if (doTrim) { 6398 if (!isFirstBoot()) { 6399 try { 6400 ActivityManagerNative.getDefault().showBootMessage( 6401 mContext.getResources().getString( 6402 R.string.android_upgrading_fstrim), true); 6403 } catch (RemoteException e) { 6404 } 6405 } 6406 ms.runMaintenance(); 6407 } 6408 } else { 6409 Slog.e(TAG, "Mount service unavailable!"); 6410 } 6411 } catch (RemoteException e) { 6412 // Can't happen; MountService is local 6413 } 6414 } 6415 6416 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6417 List<ResolveInfo> ris = null; 6418 try { 6419 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6420 intent, null, 0, userId); 6421 } catch (RemoteException e) { 6422 } 6423 ArraySet<String> pkgNames = new ArraySet<String>(); 6424 if (ris != null) { 6425 for (ResolveInfo ri : ris) { 6426 pkgNames.add(ri.activityInfo.packageName); 6427 } 6428 } 6429 return pkgNames; 6430 } 6431 6432 @Override 6433 public void notifyPackageUse(String packageName) { 6434 synchronized (mPackages) { 6435 PackageParser.Package p = mPackages.get(packageName); 6436 if (p == null) { 6437 return; 6438 } 6439 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6440 } 6441 } 6442 6443 @Override 6444 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6445 return performDexOptTraced(packageName, instructionSet); 6446 } 6447 6448 public boolean performDexOpt(String packageName, String instructionSet) { 6449 return performDexOptTraced(packageName, instructionSet); 6450 } 6451 6452 private boolean performDexOptTraced(String packageName, String instructionSet) { 6453 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6454 try { 6455 return performDexOptInternal(packageName, instructionSet); 6456 } finally { 6457 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6458 } 6459 } 6460 6461 private boolean performDexOptInternal(String packageName, String instructionSet) { 6462 PackageParser.Package p; 6463 final String targetInstructionSet; 6464 synchronized (mPackages) { 6465 p = mPackages.get(packageName); 6466 if (p == null) { 6467 return false; 6468 } 6469 mPackageUsage.write(false); 6470 6471 targetInstructionSet = instructionSet != null ? instructionSet : 6472 getPrimaryInstructionSet(p.applicationInfo); 6473 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6474 return false; 6475 } 6476 } 6477 long callingId = Binder.clearCallingIdentity(); 6478 try { 6479 synchronized (mInstallLock) { 6480 final String[] instructionSets = new String[] { targetInstructionSet }; 6481 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6482 true /* inclDependencies */); 6483 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6484 } 6485 } finally { 6486 Binder.restoreCallingIdentity(callingId); 6487 } 6488 } 6489 6490 public ArraySet<String> getPackagesThatNeedDexOpt() { 6491 ArraySet<String> pkgs = null; 6492 synchronized (mPackages) { 6493 for (PackageParser.Package p : mPackages.values()) { 6494 if (DEBUG_DEXOPT) { 6495 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6496 } 6497 if (!p.mDexOptPerformed.isEmpty()) { 6498 continue; 6499 } 6500 if (pkgs == null) { 6501 pkgs = new ArraySet<String>(); 6502 } 6503 pkgs.add(p.packageName); 6504 } 6505 } 6506 return pkgs; 6507 } 6508 6509 public void shutdown() { 6510 mPackageUsage.write(true); 6511 } 6512 6513 @Override 6514 public void forceDexOpt(String packageName) { 6515 enforceSystemOrRoot("forceDexOpt"); 6516 6517 PackageParser.Package pkg; 6518 synchronized (mPackages) { 6519 pkg = mPackages.get(packageName); 6520 if (pkg == null) { 6521 throw new IllegalArgumentException("Missing package: " + packageName); 6522 } 6523 } 6524 6525 synchronized (mInstallLock) { 6526 final String[] instructionSets = new String[] { 6527 getPrimaryInstructionSet(pkg.applicationInfo) }; 6528 6529 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6530 6531 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6532 true /* inclDependencies */); 6533 6534 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6535 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6536 throw new IllegalStateException("Failed to dexopt: " + res); 6537 } 6538 } 6539 } 6540 6541 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6542 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6543 Slog.w(TAG, "Unable to update from " + oldPkg.name 6544 + " to " + newPkg.packageName 6545 + ": old package not in system partition"); 6546 return false; 6547 } else if (mPackages.get(oldPkg.name) != null) { 6548 Slog.w(TAG, "Unable to update from " + oldPkg.name 6549 + " to " + newPkg.packageName 6550 + ": old package still exists"); 6551 return false; 6552 } 6553 return true; 6554 } 6555 6556 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6557 throws PackageManagerException { 6558 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6559 if (res != 0) { 6560 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6561 "Failed to install " + packageName + ": " + res); 6562 } 6563 6564 final int[] users = sUserManager.getUserIds(); 6565 for (int user : users) { 6566 if (user != 0) { 6567 res = mInstaller.createUserData(volumeUuid, packageName, 6568 UserHandle.getUid(user, uid), user, seinfo); 6569 if (res != 0) { 6570 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6571 "Failed to createUserData " + packageName + ": " + res); 6572 } 6573 } 6574 } 6575 } 6576 6577 private int removeDataDirsLI(String volumeUuid, String packageName) { 6578 int[] users = sUserManager.getUserIds(); 6579 int res = 0; 6580 for (int user : users) { 6581 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6582 if (resInner < 0) { 6583 res = resInner; 6584 } 6585 } 6586 6587 return res; 6588 } 6589 6590 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6591 int[] users = sUserManager.getUserIds(); 6592 int res = 0; 6593 for (int user : users) { 6594 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6595 if (resInner < 0) { 6596 res = resInner; 6597 } 6598 } 6599 return res; 6600 } 6601 6602 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6603 PackageParser.Package changingLib) { 6604 if (file.path != null) { 6605 usesLibraryFiles.add(file.path); 6606 return; 6607 } 6608 PackageParser.Package p = mPackages.get(file.apk); 6609 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6610 // If we are doing this while in the middle of updating a library apk, 6611 // then we need to make sure to use that new apk for determining the 6612 // dependencies here. (We haven't yet finished committing the new apk 6613 // to the package manager state.) 6614 if (p == null || p.packageName.equals(changingLib.packageName)) { 6615 p = changingLib; 6616 } 6617 } 6618 if (p != null) { 6619 usesLibraryFiles.addAll(p.getAllCodePaths()); 6620 } 6621 } 6622 6623 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6624 PackageParser.Package changingLib) throws PackageManagerException { 6625 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6626 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6627 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6628 for (int i=0; i<N; i++) { 6629 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6630 if (file == null) { 6631 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6632 "Package " + pkg.packageName + " requires unavailable shared library " 6633 + pkg.usesLibraries.get(i) + "; failing!"); 6634 } 6635 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6636 } 6637 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6638 for (int i=0; i<N; i++) { 6639 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6640 if (file == null) { 6641 Slog.w(TAG, "Package " + pkg.packageName 6642 + " desires unavailable shared library " 6643 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6644 } else { 6645 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6646 } 6647 } 6648 N = usesLibraryFiles.size(); 6649 if (N > 0) { 6650 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6651 } else { 6652 pkg.usesLibraryFiles = null; 6653 } 6654 } 6655 } 6656 6657 private static boolean hasString(List<String> list, List<String> which) { 6658 if (list == null) { 6659 return false; 6660 } 6661 for (int i=list.size()-1; i>=0; i--) { 6662 for (int j=which.size()-1; j>=0; j--) { 6663 if (which.get(j).equals(list.get(i))) { 6664 return true; 6665 } 6666 } 6667 } 6668 return false; 6669 } 6670 6671 private void updateAllSharedLibrariesLPw() { 6672 for (PackageParser.Package pkg : mPackages.values()) { 6673 try { 6674 updateSharedLibrariesLPw(pkg, null); 6675 } catch (PackageManagerException e) { 6676 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6677 } 6678 } 6679 } 6680 6681 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6682 PackageParser.Package changingPkg) { 6683 ArrayList<PackageParser.Package> res = null; 6684 for (PackageParser.Package pkg : mPackages.values()) { 6685 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6686 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6687 if (res == null) { 6688 res = new ArrayList<PackageParser.Package>(); 6689 } 6690 res.add(pkg); 6691 try { 6692 updateSharedLibrariesLPw(pkg, changingPkg); 6693 } catch (PackageManagerException e) { 6694 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6695 } 6696 } 6697 } 6698 return res; 6699 } 6700 6701 /** 6702 * Derive the value of the {@code cpuAbiOverride} based on the provided 6703 * value and an optional stored value from the package settings. 6704 */ 6705 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6706 String cpuAbiOverride = null; 6707 6708 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6709 cpuAbiOverride = null; 6710 } else if (abiOverride != null) { 6711 cpuAbiOverride = abiOverride; 6712 } else if (settings != null) { 6713 cpuAbiOverride = settings.cpuAbiOverrideString; 6714 } 6715 6716 return cpuAbiOverride; 6717 } 6718 6719 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6720 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6721 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6722 try { 6723 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6724 } finally { 6725 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6726 } 6727 } 6728 6729 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6730 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6731 boolean success = false; 6732 try { 6733 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6734 currentTime, user); 6735 success = true; 6736 return res; 6737 } finally { 6738 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6739 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6740 } 6741 } 6742 } 6743 6744 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6745 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6746 final File scanFile = new File(pkg.codePath); 6747 if (pkg.applicationInfo.getCodePath() == null || 6748 pkg.applicationInfo.getResourcePath() == null) { 6749 // Bail out. The resource and code paths haven't been set. 6750 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6751 "Code and resource paths haven't been set correctly"); 6752 } 6753 6754 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6755 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6756 } else { 6757 // Only allow system apps to be flagged as core apps. 6758 pkg.coreApp = false; 6759 } 6760 6761 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6762 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6763 } 6764 6765 if (mCustomResolverComponentName != null && 6766 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6767 setUpCustomResolverActivity(pkg); 6768 } 6769 6770 if (pkg.packageName.equals("android")) { 6771 synchronized (mPackages) { 6772 if (mAndroidApplication != null) { 6773 Slog.w(TAG, "*************************************************"); 6774 Slog.w(TAG, "Core android package being redefined. Skipping."); 6775 Slog.w(TAG, " file=" + scanFile); 6776 Slog.w(TAG, "*************************************************"); 6777 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6778 "Core android package being redefined. Skipping."); 6779 } 6780 6781 // Set up information for our fall-back user intent resolution activity. 6782 mPlatformPackage = pkg; 6783 pkg.mVersionCode = mSdkVersion; 6784 mAndroidApplication = pkg.applicationInfo; 6785 6786 if (!mResolverReplaced) { 6787 mResolveActivity.applicationInfo = mAndroidApplication; 6788 mResolveActivity.name = ResolverActivity.class.getName(); 6789 mResolveActivity.packageName = mAndroidApplication.packageName; 6790 mResolveActivity.processName = "system:ui"; 6791 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6792 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6793 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6794 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6795 mResolveActivity.exported = true; 6796 mResolveActivity.enabled = true; 6797 mResolveInfo.activityInfo = mResolveActivity; 6798 mResolveInfo.priority = 0; 6799 mResolveInfo.preferredOrder = 0; 6800 mResolveInfo.match = 0; 6801 mResolveComponentName = new ComponentName( 6802 mAndroidApplication.packageName, mResolveActivity.name); 6803 } 6804 } 6805 } 6806 6807 if (DEBUG_PACKAGE_SCANNING) { 6808 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6809 Log.d(TAG, "Scanning package " + pkg.packageName); 6810 } 6811 6812 if (mPackages.containsKey(pkg.packageName) 6813 || mSharedLibraries.containsKey(pkg.packageName)) { 6814 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6815 "Application package " + pkg.packageName 6816 + " already installed. Skipping duplicate."); 6817 } 6818 6819 // If we're only installing presumed-existing packages, require that the 6820 // scanned APK is both already known and at the path previously established 6821 // for it. Previously unknown packages we pick up normally, but if we have an 6822 // a priori expectation about this package's install presence, enforce it. 6823 // With a singular exception for new system packages. When an OTA contains 6824 // a new system package, we allow the codepath to change from a system location 6825 // to the user-installed location. If we don't allow this change, any newer, 6826 // user-installed version of the application will be ignored. 6827 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6828 if (mExpectingBetter.containsKey(pkg.packageName)) { 6829 logCriticalInfo(Log.WARN, 6830 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6831 } else { 6832 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6833 if (known != null) { 6834 if (DEBUG_PACKAGE_SCANNING) { 6835 Log.d(TAG, "Examining " + pkg.codePath 6836 + " and requiring known paths " + known.codePathString 6837 + " & " + known.resourcePathString); 6838 } 6839 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6840 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6841 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6842 "Application package " + pkg.packageName 6843 + " found at " + pkg.applicationInfo.getCodePath() 6844 + " but expected at " + known.codePathString + "; ignoring."); 6845 } 6846 } 6847 } 6848 } 6849 6850 // Initialize package source and resource directories 6851 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6852 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6853 6854 SharedUserSetting suid = null; 6855 PackageSetting pkgSetting = null; 6856 6857 if (!isSystemApp(pkg)) { 6858 // Only system apps can use these features. 6859 pkg.mOriginalPackages = null; 6860 pkg.mRealPackage = null; 6861 pkg.mAdoptPermissions = null; 6862 } 6863 6864 // writer 6865 synchronized (mPackages) { 6866 if (pkg.mSharedUserId != null) { 6867 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6868 if (suid == null) { 6869 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6870 "Creating application package " + pkg.packageName 6871 + " for shared user failed"); 6872 } 6873 if (DEBUG_PACKAGE_SCANNING) { 6874 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6875 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6876 + "): packages=" + suid.packages); 6877 } 6878 } 6879 6880 // Check if we are renaming from an original package name. 6881 PackageSetting origPackage = null; 6882 String realName = null; 6883 if (pkg.mOriginalPackages != null) { 6884 // This package may need to be renamed to a previously 6885 // installed name. Let's check on that... 6886 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6887 if (pkg.mOriginalPackages.contains(renamed)) { 6888 // This package had originally been installed as the 6889 // original name, and we have already taken care of 6890 // transitioning to the new one. Just update the new 6891 // one to continue using the old name. 6892 realName = pkg.mRealPackage; 6893 if (!pkg.packageName.equals(renamed)) { 6894 // Callers into this function may have already taken 6895 // care of renaming the package; only do it here if 6896 // it is not already done. 6897 pkg.setPackageName(renamed); 6898 } 6899 6900 } else { 6901 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6902 if ((origPackage = mSettings.peekPackageLPr( 6903 pkg.mOriginalPackages.get(i))) != null) { 6904 // We do have the package already installed under its 6905 // original name... should we use it? 6906 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6907 // New package is not compatible with original. 6908 origPackage = null; 6909 continue; 6910 } else if (origPackage.sharedUser != null) { 6911 // Make sure uid is compatible between packages. 6912 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6913 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6914 + " to " + pkg.packageName + ": old uid " 6915 + origPackage.sharedUser.name 6916 + " differs from " + pkg.mSharedUserId); 6917 origPackage = null; 6918 continue; 6919 } 6920 } else { 6921 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6922 + pkg.packageName + " to old name " + origPackage.name); 6923 } 6924 break; 6925 } 6926 } 6927 } 6928 } 6929 6930 if (mTransferedPackages.contains(pkg.packageName)) { 6931 Slog.w(TAG, "Package " + pkg.packageName 6932 + " was transferred to another, but its .apk remains"); 6933 } 6934 6935 // Just create the setting, don't add it yet. For already existing packages 6936 // the PkgSetting exists already and doesn't have to be created. 6937 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6938 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6939 pkg.applicationInfo.primaryCpuAbi, 6940 pkg.applicationInfo.secondaryCpuAbi, 6941 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6942 user, false); 6943 if (pkgSetting == null) { 6944 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6945 "Creating application package " + pkg.packageName + " failed"); 6946 } 6947 6948 if (pkgSetting.origPackage != null) { 6949 // If we are first transitioning from an original package, 6950 // fix up the new package's name now. We need to do this after 6951 // looking up the package under its new name, so getPackageLP 6952 // can take care of fiddling things correctly. 6953 pkg.setPackageName(origPackage.name); 6954 6955 // File a report about this. 6956 String msg = "New package " + pkgSetting.realName 6957 + " renamed to replace old package " + pkgSetting.name; 6958 reportSettingsProblem(Log.WARN, msg); 6959 6960 // Make a note of it. 6961 mTransferedPackages.add(origPackage.name); 6962 6963 // No longer need to retain this. 6964 pkgSetting.origPackage = null; 6965 } 6966 6967 if (realName != null) { 6968 // Make a note of it. 6969 mTransferedPackages.add(pkg.packageName); 6970 } 6971 6972 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6973 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6974 } 6975 6976 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6977 // Check all shared libraries and map to their actual file path. 6978 // We only do this here for apps not on a system dir, because those 6979 // are the only ones that can fail an install due to this. We 6980 // will take care of the system apps by updating all of their 6981 // library paths after the scan is done. 6982 updateSharedLibrariesLPw(pkg, null); 6983 } 6984 6985 if (mFoundPolicyFile) { 6986 SELinuxMMAC.assignSeinfoValue(pkg); 6987 } 6988 6989 pkg.applicationInfo.uid = pkgSetting.appId; 6990 pkg.mExtras = pkgSetting; 6991 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6992 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6993 // We just determined the app is signed correctly, so bring 6994 // over the latest parsed certs. 6995 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6996 } else { 6997 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6998 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6999 "Package " + pkg.packageName + " upgrade keys do not match the " 7000 + "previously installed version"); 7001 } else { 7002 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7003 String msg = "System package " + pkg.packageName 7004 + " signature changed; retaining data."; 7005 reportSettingsProblem(Log.WARN, msg); 7006 } 7007 } 7008 } else { 7009 try { 7010 verifySignaturesLP(pkgSetting, pkg); 7011 // We just determined the app is signed correctly, so bring 7012 // over the latest parsed certs. 7013 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7014 } catch (PackageManagerException e) { 7015 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7016 throw e; 7017 } 7018 // The signature has changed, but this package is in the system 7019 // image... let's recover! 7020 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7021 // However... if this package is part of a shared user, but it 7022 // doesn't match the signature of the shared user, let's fail. 7023 // What this means is that you can't change the signatures 7024 // associated with an overall shared user, which doesn't seem all 7025 // that unreasonable. 7026 if (pkgSetting.sharedUser != null) { 7027 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7028 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7029 throw new PackageManagerException( 7030 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7031 "Signature mismatch for shared user : " 7032 + pkgSetting.sharedUser); 7033 } 7034 } 7035 // File a report about this. 7036 String msg = "System package " + pkg.packageName 7037 + " signature changed; retaining data."; 7038 reportSettingsProblem(Log.WARN, msg); 7039 } 7040 } 7041 // Verify that this new package doesn't have any content providers 7042 // that conflict with existing packages. Only do this if the 7043 // package isn't already installed, since we don't want to break 7044 // things that are installed. 7045 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7046 final int N = pkg.providers.size(); 7047 int i; 7048 for (i=0; i<N; i++) { 7049 PackageParser.Provider p = pkg.providers.get(i); 7050 if (p.info.authority != null) { 7051 String names[] = p.info.authority.split(";"); 7052 for (int j = 0; j < names.length; j++) { 7053 if (mProvidersByAuthority.containsKey(names[j])) { 7054 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7055 final String otherPackageName = 7056 ((other != null && other.getComponentName() != null) ? 7057 other.getComponentName().getPackageName() : "?"); 7058 throw new PackageManagerException( 7059 INSTALL_FAILED_CONFLICTING_PROVIDER, 7060 "Can't install because provider name " + names[j] 7061 + " (in package " + pkg.applicationInfo.packageName 7062 + ") is already used by " + otherPackageName); 7063 } 7064 } 7065 } 7066 } 7067 } 7068 7069 if (pkg.mAdoptPermissions != null) { 7070 // This package wants to adopt ownership of permissions from 7071 // another package. 7072 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7073 final String origName = pkg.mAdoptPermissions.get(i); 7074 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7075 if (orig != null) { 7076 if (verifyPackageUpdateLPr(orig, pkg)) { 7077 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7078 + pkg.packageName); 7079 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7080 } 7081 } 7082 } 7083 } 7084 } 7085 7086 final String pkgName = pkg.packageName; 7087 7088 final long scanFileTime = scanFile.lastModified(); 7089 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7090 pkg.applicationInfo.processName = fixProcessName( 7091 pkg.applicationInfo.packageName, 7092 pkg.applicationInfo.processName, 7093 pkg.applicationInfo.uid); 7094 7095 if (pkg != mPlatformPackage) { 7096 // This is a normal package, need to make its data directory. 7097 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7098 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7099 7100 boolean uidError = false; 7101 if (dataPath.exists()) { 7102 int currentUid = 0; 7103 try { 7104 StructStat stat = Os.stat(dataPath.getPath()); 7105 currentUid = stat.st_uid; 7106 } catch (ErrnoException e) { 7107 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7108 } 7109 7110 // If we have mismatched owners for the data path, we have a problem. 7111 if (currentUid != pkg.applicationInfo.uid) { 7112 boolean recovered = false; 7113 if (currentUid == 0) { 7114 // The directory somehow became owned by root. Wow. 7115 // This is probably because the system was stopped while 7116 // installd was in the middle of messing with its libs 7117 // directory. Ask installd to fix that. 7118 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 7119 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 7120 if (ret >= 0) { 7121 recovered = true; 7122 String msg = "Package " + pkg.packageName 7123 + " unexpectedly changed to uid 0; recovered to " + 7124 + pkg.applicationInfo.uid; 7125 reportSettingsProblem(Log.WARN, msg); 7126 } 7127 } 7128 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7129 || (scanFlags&SCAN_BOOTING) != 0)) { 7130 // If this is a system app, we can at least delete its 7131 // current data so the application will still work. 7132 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 7133 if (ret >= 0) { 7134 // TODO: Kill the processes first 7135 // Old data gone! 7136 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7137 ? "System package " : "Third party package "; 7138 String msg = prefix + pkg.packageName 7139 + " has changed from uid: " 7140 + currentUid + " to " 7141 + pkg.applicationInfo.uid + "; old data erased"; 7142 reportSettingsProblem(Log.WARN, msg); 7143 recovered = true; 7144 } 7145 if (!recovered) { 7146 mHasSystemUidErrors = true; 7147 } 7148 } else if (!recovered) { 7149 // If we allow this install to proceed, we will be broken. 7150 // Abort, abort! 7151 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7152 "scanPackageLI"); 7153 } 7154 if (!recovered) { 7155 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7156 + pkg.applicationInfo.uid + "/fs_" 7157 + currentUid; 7158 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7159 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7160 String msg = "Package " + pkg.packageName 7161 + " has mismatched uid: " 7162 + currentUid + " on disk, " 7163 + pkg.applicationInfo.uid + " in settings"; 7164 // writer 7165 synchronized (mPackages) { 7166 mSettings.mReadMessages.append(msg); 7167 mSettings.mReadMessages.append('\n'); 7168 uidError = true; 7169 if (!pkgSetting.uidError) { 7170 reportSettingsProblem(Log.ERROR, msg); 7171 } 7172 } 7173 } 7174 } 7175 7176 // Ensure that directories are prepared 7177 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7178 pkg.applicationInfo.seinfo); 7179 7180 if (mShouldRestoreconData) { 7181 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7182 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7183 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7184 } 7185 } else { 7186 if (DEBUG_PACKAGE_SCANNING) { 7187 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7188 Log.v(TAG, "Want this data dir: " + dataPath); 7189 } 7190 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7191 pkg.applicationInfo.seinfo); 7192 } 7193 7194 // Get all of our default paths setup 7195 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7196 7197 pkgSetting.uidError = uidError; 7198 } 7199 7200 final String path = scanFile.getPath(); 7201 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7202 7203 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7204 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7205 7206 // Some system apps still use directory structure for native libraries 7207 // in which case we might end up not detecting abi solely based on apk 7208 // structure. Try to detect abi based on directory structure. 7209 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7210 pkg.applicationInfo.primaryCpuAbi == null) { 7211 setBundledAppAbisAndRoots(pkg, pkgSetting); 7212 setNativeLibraryPaths(pkg); 7213 } 7214 7215 } else { 7216 if ((scanFlags & SCAN_MOVE) != 0) { 7217 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7218 // but we already have this packages package info in the PackageSetting. We just 7219 // use that and derive the native library path based on the new codepath. 7220 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7221 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7222 } 7223 7224 // Set native library paths again. For moves, the path will be updated based on the 7225 // ABIs we've determined above. For non-moves, the path will be updated based on the 7226 // ABIs we determined during compilation, but the path will depend on the final 7227 // package path (after the rename away from the stage path). 7228 setNativeLibraryPaths(pkg); 7229 } 7230 7231 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7232 final int[] userIds = sUserManager.getUserIds(); 7233 synchronized (mInstallLock) { 7234 // Make sure all user data directories are ready to roll; we're okay 7235 // if they already exist 7236 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7237 for (int userId : userIds) { 7238 if (userId != UserHandle.USER_SYSTEM) { 7239 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7240 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7241 pkg.applicationInfo.seinfo); 7242 } 7243 } 7244 } 7245 7246 // Create a native library symlink only if we have native libraries 7247 // and if the native libraries are 32 bit libraries. We do not provide 7248 // this symlink for 64 bit libraries. 7249 if (pkg.applicationInfo.primaryCpuAbi != null && 7250 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7251 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7252 try { 7253 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7254 for (int userId : userIds) { 7255 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7256 nativeLibPath, userId) < 0) { 7257 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7258 "Failed linking native library dir (user=" + userId + ")"); 7259 } 7260 } 7261 } finally { 7262 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7263 } 7264 } 7265 } 7266 7267 // This is a special case for the "system" package, where the ABI is 7268 // dictated by the zygote configuration (and init.rc). We should keep track 7269 // of this ABI so that we can deal with "normal" applications that run under 7270 // the same UID correctly. 7271 if (mPlatformPackage == pkg) { 7272 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7273 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7274 } 7275 7276 // If there's a mismatch between the abi-override in the package setting 7277 // and the abiOverride specified for the install. Warn about this because we 7278 // would've already compiled the app without taking the package setting into 7279 // account. 7280 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7281 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7282 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7283 " for package: " + pkg.packageName); 7284 } 7285 } 7286 7287 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7288 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7289 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7290 7291 // Copy the derived override back to the parsed package, so that we can 7292 // update the package settings accordingly. 7293 pkg.cpuAbiOverride = cpuAbiOverride; 7294 7295 if (DEBUG_ABI_SELECTION) { 7296 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7297 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7298 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7299 } 7300 7301 // Push the derived path down into PackageSettings so we know what to 7302 // clean up at uninstall time. 7303 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7304 7305 if (DEBUG_ABI_SELECTION) { 7306 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7307 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7308 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7309 } 7310 7311 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7312 // We don't do this here during boot because we can do it all 7313 // at once after scanning all existing packages. 7314 // 7315 // We also do this *before* we perform dexopt on this package, so that 7316 // we can avoid redundant dexopts, and also to make sure we've got the 7317 // code and package path correct. 7318 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7319 pkg, true /* boot complete */); 7320 } 7321 7322 if (mFactoryTest && pkg.requestedPermissions.contains( 7323 android.Manifest.permission.FACTORY_TEST)) { 7324 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7325 } 7326 7327 ArrayList<PackageParser.Package> clientLibPkgs = null; 7328 7329 // writer 7330 synchronized (mPackages) { 7331 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7332 // Only system apps can add new shared libraries. 7333 if (pkg.libraryNames != null) { 7334 for (int i=0; i<pkg.libraryNames.size(); i++) { 7335 String name = pkg.libraryNames.get(i); 7336 boolean allowed = false; 7337 if (pkg.isUpdatedSystemApp()) { 7338 // New library entries can only be added through the 7339 // system image. This is important to get rid of a lot 7340 // of nasty edge cases: for example if we allowed a non- 7341 // system update of the app to add a library, then uninstalling 7342 // the update would make the library go away, and assumptions 7343 // we made such as through app install filtering would now 7344 // have allowed apps on the device which aren't compatible 7345 // with it. Better to just have the restriction here, be 7346 // conservative, and create many fewer cases that can negatively 7347 // impact the user experience. 7348 final PackageSetting sysPs = mSettings 7349 .getDisabledSystemPkgLPr(pkg.packageName); 7350 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7351 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7352 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7353 allowed = true; 7354 break; 7355 } 7356 } 7357 } 7358 } else { 7359 allowed = true; 7360 } 7361 if (allowed) { 7362 if (!mSharedLibraries.containsKey(name)) { 7363 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7364 } else if (!name.equals(pkg.packageName)) { 7365 Slog.w(TAG, "Package " + pkg.packageName + " library " 7366 + name + " already exists; skipping"); 7367 } 7368 } else { 7369 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7370 + name + " that is not declared on system image; skipping"); 7371 } 7372 } 7373 if ((scanFlags & SCAN_BOOTING) == 0) { 7374 // If we are not booting, we need to update any applications 7375 // that are clients of our shared library. If we are booting, 7376 // this will all be done once the scan is complete. 7377 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7378 } 7379 } 7380 } 7381 } 7382 7383 // Request the ActivityManager to kill the process(only for existing packages) 7384 // so that we do not end up in a confused state while the user is still using the older 7385 // version of the application while the new one gets installed. 7386 if ((scanFlags & SCAN_REPLACING) != 0) { 7387 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7388 7389 killApplication(pkg.applicationInfo.packageName, 7390 pkg.applicationInfo.uid, "replace pkg"); 7391 7392 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7393 } 7394 7395 // Also need to kill any apps that are dependent on the library. 7396 if (clientLibPkgs != null) { 7397 for (int i=0; i<clientLibPkgs.size(); i++) { 7398 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7399 killApplication(clientPkg.applicationInfo.packageName, 7400 clientPkg.applicationInfo.uid, "update lib"); 7401 } 7402 } 7403 7404 // Make sure we're not adding any bogus keyset info 7405 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7406 ksms.assertScannedPackageValid(pkg); 7407 7408 // writer 7409 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7410 7411 boolean createIdmapFailed = false; 7412 synchronized (mPackages) { 7413 // We don't expect installation to fail beyond this point 7414 7415 // Add the new setting to mSettings 7416 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7417 // Add the new setting to mPackages 7418 mPackages.put(pkg.applicationInfo.packageName, pkg); 7419 // Make sure we don't accidentally delete its data. 7420 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7421 while (iter.hasNext()) { 7422 PackageCleanItem item = iter.next(); 7423 if (pkgName.equals(item.packageName)) { 7424 iter.remove(); 7425 } 7426 } 7427 7428 // Take care of first install / last update times. 7429 if (currentTime != 0) { 7430 if (pkgSetting.firstInstallTime == 0) { 7431 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7432 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7433 pkgSetting.lastUpdateTime = currentTime; 7434 } 7435 } else if (pkgSetting.firstInstallTime == 0) { 7436 // We need *something*. Take time time stamp of the file. 7437 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7438 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7439 if (scanFileTime != pkgSetting.timeStamp) { 7440 // A package on the system image has changed; consider this 7441 // to be an update. 7442 pkgSetting.lastUpdateTime = scanFileTime; 7443 } 7444 } 7445 7446 // Add the package's KeySets to the global KeySetManagerService 7447 ksms.addScannedPackageLPw(pkg); 7448 7449 int N = pkg.providers.size(); 7450 StringBuilder r = null; 7451 int i; 7452 for (i=0; i<N; i++) { 7453 PackageParser.Provider p = pkg.providers.get(i); 7454 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7455 p.info.processName, pkg.applicationInfo.uid); 7456 mProviders.addProvider(p); 7457 p.syncable = p.info.isSyncable; 7458 if (p.info.authority != null) { 7459 String names[] = p.info.authority.split(";"); 7460 p.info.authority = null; 7461 for (int j = 0; j < names.length; j++) { 7462 if (j == 1 && p.syncable) { 7463 // We only want the first authority for a provider to possibly be 7464 // syncable, so if we already added this provider using a different 7465 // authority clear the syncable flag. We copy the provider before 7466 // changing it because the mProviders object contains a reference 7467 // to a provider that we don't want to change. 7468 // Only do this for the second authority since the resulting provider 7469 // object can be the same for all future authorities for this provider. 7470 p = new PackageParser.Provider(p); 7471 p.syncable = false; 7472 } 7473 if (!mProvidersByAuthority.containsKey(names[j])) { 7474 mProvidersByAuthority.put(names[j], p); 7475 if (p.info.authority == null) { 7476 p.info.authority = names[j]; 7477 } else { 7478 p.info.authority = p.info.authority + ";" + names[j]; 7479 } 7480 if (DEBUG_PACKAGE_SCANNING) { 7481 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7482 Log.d(TAG, "Registered content provider: " + names[j] 7483 + ", className = " + p.info.name + ", isSyncable = " 7484 + p.info.isSyncable); 7485 } 7486 } else { 7487 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7488 Slog.w(TAG, "Skipping provider name " + names[j] + 7489 " (in package " + pkg.applicationInfo.packageName + 7490 "): name already used by " 7491 + ((other != null && other.getComponentName() != null) 7492 ? other.getComponentName().getPackageName() : "?")); 7493 } 7494 } 7495 } 7496 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7497 if (r == null) { 7498 r = new StringBuilder(256); 7499 } else { 7500 r.append(' '); 7501 } 7502 r.append(p.info.name); 7503 } 7504 } 7505 if (r != null) { 7506 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7507 } 7508 7509 N = pkg.services.size(); 7510 r = null; 7511 for (i=0; i<N; i++) { 7512 PackageParser.Service s = pkg.services.get(i); 7513 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7514 s.info.processName, pkg.applicationInfo.uid); 7515 mServices.addService(s); 7516 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7517 if (r == null) { 7518 r = new StringBuilder(256); 7519 } else { 7520 r.append(' '); 7521 } 7522 r.append(s.info.name); 7523 } 7524 } 7525 if (r != null) { 7526 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7527 } 7528 7529 N = pkg.receivers.size(); 7530 r = null; 7531 for (i=0; i<N; i++) { 7532 PackageParser.Activity a = pkg.receivers.get(i); 7533 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7534 a.info.processName, pkg.applicationInfo.uid); 7535 mReceivers.addActivity(a, "receiver"); 7536 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7537 if (r == null) { 7538 r = new StringBuilder(256); 7539 } else { 7540 r.append(' '); 7541 } 7542 r.append(a.info.name); 7543 } 7544 } 7545 if (r != null) { 7546 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7547 } 7548 7549 N = pkg.activities.size(); 7550 r = null; 7551 for (i=0; i<N; i++) { 7552 PackageParser.Activity a = pkg.activities.get(i); 7553 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7554 a.info.processName, pkg.applicationInfo.uid); 7555 mActivities.addActivity(a, "activity"); 7556 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7557 if (r == null) { 7558 r = new StringBuilder(256); 7559 } else { 7560 r.append(' '); 7561 } 7562 r.append(a.info.name); 7563 } 7564 } 7565 if (r != null) { 7566 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7567 } 7568 7569 N = pkg.permissionGroups.size(); 7570 r = null; 7571 for (i=0; i<N; i++) { 7572 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7573 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7574 if (cur == null) { 7575 mPermissionGroups.put(pg.info.name, pg); 7576 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7577 if (r == null) { 7578 r = new StringBuilder(256); 7579 } else { 7580 r.append(' '); 7581 } 7582 r.append(pg.info.name); 7583 } 7584 } else { 7585 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7586 + pg.info.packageName + " ignored: original from " 7587 + cur.info.packageName); 7588 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7589 if (r == null) { 7590 r = new StringBuilder(256); 7591 } else { 7592 r.append(' '); 7593 } 7594 r.append("DUP:"); 7595 r.append(pg.info.name); 7596 } 7597 } 7598 } 7599 if (r != null) { 7600 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7601 } 7602 7603 N = pkg.permissions.size(); 7604 r = null; 7605 for (i=0; i<N; i++) { 7606 PackageParser.Permission p = pkg.permissions.get(i); 7607 7608 // Assume by default that we did not install this permission into the system. 7609 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7610 7611 // Now that permission groups have a special meaning, we ignore permission 7612 // groups for legacy apps to prevent unexpected behavior. In particular, 7613 // permissions for one app being granted to someone just becuase they happen 7614 // to be in a group defined by another app (before this had no implications). 7615 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7616 p.group = mPermissionGroups.get(p.info.group); 7617 // Warn for a permission in an unknown group. 7618 if (p.info.group != null && p.group == null) { 7619 Slog.w(TAG, "Permission " + p.info.name + " from package " 7620 + p.info.packageName + " in an unknown group " + p.info.group); 7621 } 7622 } 7623 7624 ArrayMap<String, BasePermission> permissionMap = 7625 p.tree ? mSettings.mPermissionTrees 7626 : mSettings.mPermissions; 7627 BasePermission bp = permissionMap.get(p.info.name); 7628 7629 // Allow system apps to redefine non-system permissions 7630 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7631 final boolean currentOwnerIsSystem = (bp.perm != null 7632 && isSystemApp(bp.perm.owner)); 7633 if (isSystemApp(p.owner)) { 7634 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7635 // It's a built-in permission and no owner, take ownership now 7636 bp.packageSetting = pkgSetting; 7637 bp.perm = p; 7638 bp.uid = pkg.applicationInfo.uid; 7639 bp.sourcePackage = p.info.packageName; 7640 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7641 } else if (!currentOwnerIsSystem) { 7642 String msg = "New decl " + p.owner + " of permission " 7643 + p.info.name + " is system; overriding " + bp.sourcePackage; 7644 reportSettingsProblem(Log.WARN, msg); 7645 bp = null; 7646 } 7647 } 7648 } 7649 7650 if (bp == null) { 7651 bp = new BasePermission(p.info.name, p.info.packageName, 7652 BasePermission.TYPE_NORMAL); 7653 permissionMap.put(p.info.name, bp); 7654 } 7655 7656 if (bp.perm == null) { 7657 if (bp.sourcePackage == null 7658 || bp.sourcePackage.equals(p.info.packageName)) { 7659 BasePermission tree = findPermissionTreeLP(p.info.name); 7660 if (tree == null 7661 || tree.sourcePackage.equals(p.info.packageName)) { 7662 bp.packageSetting = pkgSetting; 7663 bp.perm = p; 7664 bp.uid = pkg.applicationInfo.uid; 7665 bp.sourcePackage = p.info.packageName; 7666 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7667 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7668 if (r == null) { 7669 r = new StringBuilder(256); 7670 } else { 7671 r.append(' '); 7672 } 7673 r.append(p.info.name); 7674 } 7675 } else { 7676 Slog.w(TAG, "Permission " + p.info.name + " from package " 7677 + p.info.packageName + " ignored: base tree " 7678 + tree.name + " is from package " 7679 + tree.sourcePackage); 7680 } 7681 } else { 7682 Slog.w(TAG, "Permission " + p.info.name + " from package " 7683 + p.info.packageName + " ignored: original from " 7684 + bp.sourcePackage); 7685 } 7686 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7687 if (r == null) { 7688 r = new StringBuilder(256); 7689 } else { 7690 r.append(' '); 7691 } 7692 r.append("DUP:"); 7693 r.append(p.info.name); 7694 } 7695 if (bp.perm == p) { 7696 bp.protectionLevel = p.info.protectionLevel; 7697 } 7698 } 7699 7700 if (r != null) { 7701 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7702 } 7703 7704 N = pkg.instrumentation.size(); 7705 r = null; 7706 for (i=0; i<N; i++) { 7707 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7708 a.info.packageName = pkg.applicationInfo.packageName; 7709 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7710 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7711 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7712 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7713 a.info.dataDir = pkg.applicationInfo.dataDir; 7714 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7715 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7716 7717 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7718 // need other information about the application, like the ABI and what not ? 7719 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7720 mInstrumentation.put(a.getComponentName(), a); 7721 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7722 if (r == null) { 7723 r = new StringBuilder(256); 7724 } else { 7725 r.append(' '); 7726 } 7727 r.append(a.info.name); 7728 } 7729 } 7730 if (r != null) { 7731 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7732 } 7733 7734 if (pkg.protectedBroadcasts != null) { 7735 N = pkg.protectedBroadcasts.size(); 7736 for (i=0; i<N; i++) { 7737 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7738 } 7739 } 7740 7741 pkgSetting.setTimeStamp(scanFileTime); 7742 7743 // Create idmap files for pairs of (packages, overlay packages). 7744 // Note: "android", ie framework-res.apk, is handled by native layers. 7745 if (pkg.mOverlayTarget != null) { 7746 // This is an overlay package. 7747 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7748 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7749 mOverlays.put(pkg.mOverlayTarget, 7750 new ArrayMap<String, PackageParser.Package>()); 7751 } 7752 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7753 map.put(pkg.packageName, pkg); 7754 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7755 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7756 createIdmapFailed = true; 7757 } 7758 } 7759 } else if (mOverlays.containsKey(pkg.packageName) && 7760 !pkg.packageName.equals("android")) { 7761 // This is a regular package, with one or more known overlay packages. 7762 createIdmapsForPackageLI(pkg); 7763 } 7764 } 7765 7766 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7767 7768 if (createIdmapFailed) { 7769 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7770 "scanPackageLI failed to createIdmap"); 7771 } 7772 return pkg; 7773 } 7774 7775 /** 7776 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7777 * is derived purely on the basis of the contents of {@code scanFile} and 7778 * {@code cpuAbiOverride}. 7779 * 7780 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7781 */ 7782 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7783 String cpuAbiOverride, boolean extractLibs) 7784 throws PackageManagerException { 7785 // TODO: We can probably be smarter about this stuff. For installed apps, 7786 // we can calculate this information at install time once and for all. For 7787 // system apps, we can probably assume that this information doesn't change 7788 // after the first boot scan. As things stand, we do lots of unnecessary work. 7789 7790 // Give ourselves some initial paths; we'll come back for another 7791 // pass once we've determined ABI below. 7792 setNativeLibraryPaths(pkg); 7793 7794 // We would never need to extract libs for forward-locked and external packages, 7795 // since the container service will do it for us. We shouldn't attempt to 7796 // extract libs from system app when it was not updated. 7797 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7798 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7799 extractLibs = false; 7800 } 7801 7802 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7803 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7804 7805 NativeLibraryHelper.Handle handle = null; 7806 try { 7807 handle = NativeLibraryHelper.Handle.create(pkg); 7808 // TODO(multiArch): This can be null for apps that didn't go through the 7809 // usual installation process. We can calculate it again, like we 7810 // do during install time. 7811 // 7812 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7813 // unnecessary. 7814 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7815 7816 // Null out the abis so that they can be recalculated. 7817 pkg.applicationInfo.primaryCpuAbi = null; 7818 pkg.applicationInfo.secondaryCpuAbi = null; 7819 if (isMultiArch(pkg.applicationInfo)) { 7820 // Warn if we've set an abiOverride for multi-lib packages.. 7821 // By definition, we need to copy both 32 and 64 bit libraries for 7822 // such packages. 7823 if (pkg.cpuAbiOverride != null 7824 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7825 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7826 } 7827 7828 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7829 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7830 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7831 if (extractLibs) { 7832 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7833 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7834 useIsaSpecificSubdirs); 7835 } else { 7836 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7837 } 7838 } 7839 7840 maybeThrowExceptionForMultiArchCopy( 7841 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7842 7843 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7844 if (extractLibs) { 7845 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7846 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7847 useIsaSpecificSubdirs); 7848 } else { 7849 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7850 } 7851 } 7852 7853 maybeThrowExceptionForMultiArchCopy( 7854 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7855 7856 if (abi64 >= 0) { 7857 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7858 } 7859 7860 if (abi32 >= 0) { 7861 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7862 if (abi64 >= 0) { 7863 pkg.applicationInfo.secondaryCpuAbi = abi; 7864 } else { 7865 pkg.applicationInfo.primaryCpuAbi = abi; 7866 } 7867 } 7868 } else { 7869 String[] abiList = (cpuAbiOverride != null) ? 7870 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7871 7872 // Enable gross and lame hacks for apps that are built with old 7873 // SDK tools. We must scan their APKs for renderscript bitcode and 7874 // not launch them if it's present. Don't bother checking on devices 7875 // that don't have 64 bit support. 7876 boolean needsRenderScriptOverride = false; 7877 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7878 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7879 abiList = Build.SUPPORTED_32_BIT_ABIS; 7880 needsRenderScriptOverride = true; 7881 } 7882 7883 final int copyRet; 7884 if (extractLibs) { 7885 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7886 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7887 } else { 7888 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7889 } 7890 7891 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7892 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7893 "Error unpackaging native libs for app, errorCode=" + copyRet); 7894 } 7895 7896 if (copyRet >= 0) { 7897 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7898 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7899 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7900 } else if (needsRenderScriptOverride) { 7901 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7902 } 7903 } 7904 } catch (IOException ioe) { 7905 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7906 } finally { 7907 IoUtils.closeQuietly(handle); 7908 } 7909 7910 // Now that we've calculated the ABIs and determined if it's an internal app, 7911 // we will go ahead and populate the nativeLibraryPath. 7912 setNativeLibraryPaths(pkg); 7913 } 7914 7915 /** 7916 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7917 * i.e, so that all packages can be run inside a single process if required. 7918 * 7919 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7920 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7921 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7922 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7923 * updating a package that belongs to a shared user. 7924 * 7925 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7926 * adds unnecessary complexity. 7927 */ 7928 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7929 PackageParser.Package scannedPackage, boolean bootComplete) { 7930 String requiredInstructionSet = null; 7931 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7932 requiredInstructionSet = VMRuntime.getInstructionSet( 7933 scannedPackage.applicationInfo.primaryCpuAbi); 7934 } 7935 7936 PackageSetting requirer = null; 7937 for (PackageSetting ps : packagesForUser) { 7938 // If packagesForUser contains scannedPackage, we skip it. This will happen 7939 // when scannedPackage is an update of an existing package. Without this check, 7940 // we will never be able to change the ABI of any package belonging to a shared 7941 // user, even if it's compatible with other packages. 7942 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7943 if (ps.primaryCpuAbiString == null) { 7944 continue; 7945 } 7946 7947 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7948 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7949 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7950 // this but there's not much we can do. 7951 String errorMessage = "Instruction set mismatch, " 7952 + ((requirer == null) ? "[caller]" : requirer) 7953 + " requires " + requiredInstructionSet + " whereas " + ps 7954 + " requires " + instructionSet; 7955 Slog.w(TAG, errorMessage); 7956 } 7957 7958 if (requiredInstructionSet == null) { 7959 requiredInstructionSet = instructionSet; 7960 requirer = ps; 7961 } 7962 } 7963 } 7964 7965 if (requiredInstructionSet != null) { 7966 String adjustedAbi; 7967 if (requirer != null) { 7968 // requirer != null implies that either scannedPackage was null or that scannedPackage 7969 // did not require an ABI, in which case we have to adjust scannedPackage to match 7970 // the ABI of the set (which is the same as requirer's ABI) 7971 adjustedAbi = requirer.primaryCpuAbiString; 7972 if (scannedPackage != null) { 7973 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7974 } 7975 } else { 7976 // requirer == null implies that we're updating all ABIs in the set to 7977 // match scannedPackage. 7978 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7979 } 7980 7981 for (PackageSetting ps : packagesForUser) { 7982 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7983 if (ps.primaryCpuAbiString != null) { 7984 continue; 7985 } 7986 7987 ps.primaryCpuAbiString = adjustedAbi; 7988 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7989 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7990 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7991 mInstaller.rmdex(ps.codePathString, 7992 getDexCodeInstructionSet(getPreferredInstructionSet())); 7993 } 7994 } 7995 } 7996 } 7997 } 7998 7999 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8000 synchronized (mPackages) { 8001 mResolverReplaced = true; 8002 // Set up information for custom user intent resolution activity. 8003 mResolveActivity.applicationInfo = pkg.applicationInfo; 8004 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8005 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8006 mResolveActivity.processName = pkg.applicationInfo.packageName; 8007 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8008 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8009 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8010 mResolveActivity.theme = 0; 8011 mResolveActivity.exported = true; 8012 mResolveActivity.enabled = true; 8013 mResolveInfo.activityInfo = mResolveActivity; 8014 mResolveInfo.priority = 0; 8015 mResolveInfo.preferredOrder = 0; 8016 mResolveInfo.match = 0; 8017 mResolveComponentName = mCustomResolverComponentName; 8018 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8019 mResolveComponentName); 8020 } 8021 } 8022 8023 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8024 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8025 8026 // Set up information for ephemeral installer activity 8027 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8028 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8029 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8030 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8031 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8032 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8033 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8034 mEphemeralInstallerActivity.theme = 0; 8035 mEphemeralInstallerActivity.exported = true; 8036 mEphemeralInstallerActivity.enabled = true; 8037 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8038 mEphemeralInstallerInfo.priority = 0; 8039 mEphemeralInstallerInfo.preferredOrder = 0; 8040 mEphemeralInstallerInfo.match = 0; 8041 8042 if (DEBUG_EPHEMERAL) { 8043 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8044 } 8045 } 8046 8047 private static String calculateBundledApkRoot(final String codePathString) { 8048 final File codePath = new File(codePathString); 8049 final File codeRoot; 8050 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8051 codeRoot = Environment.getRootDirectory(); 8052 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8053 codeRoot = Environment.getOemDirectory(); 8054 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8055 codeRoot = Environment.getVendorDirectory(); 8056 } else { 8057 // Unrecognized code path; take its top real segment as the apk root: 8058 // e.g. /something/app/blah.apk => /something 8059 try { 8060 File f = codePath.getCanonicalFile(); 8061 File parent = f.getParentFile(); // non-null because codePath is a file 8062 File tmp; 8063 while ((tmp = parent.getParentFile()) != null) { 8064 f = parent; 8065 parent = tmp; 8066 } 8067 codeRoot = f; 8068 Slog.w(TAG, "Unrecognized code path " 8069 + codePath + " - using " + codeRoot); 8070 } catch (IOException e) { 8071 // Can't canonicalize the code path -- shenanigans? 8072 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8073 return Environment.getRootDirectory().getPath(); 8074 } 8075 } 8076 return codeRoot.getPath(); 8077 } 8078 8079 /** 8080 * Derive and set the location of native libraries for the given package, 8081 * which varies depending on where and how the package was installed. 8082 */ 8083 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8084 final ApplicationInfo info = pkg.applicationInfo; 8085 final String codePath = pkg.codePath; 8086 final File codeFile = new File(codePath); 8087 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8088 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8089 8090 info.nativeLibraryRootDir = null; 8091 info.nativeLibraryRootRequiresIsa = false; 8092 info.nativeLibraryDir = null; 8093 info.secondaryNativeLibraryDir = null; 8094 8095 if (isApkFile(codeFile)) { 8096 // Monolithic install 8097 if (bundledApp) { 8098 // If "/system/lib64/apkname" exists, assume that is the per-package 8099 // native library directory to use; otherwise use "/system/lib/apkname". 8100 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8101 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8102 getPrimaryInstructionSet(info)); 8103 8104 // This is a bundled system app so choose the path based on the ABI. 8105 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8106 // is just the default path. 8107 final String apkName = deriveCodePathName(codePath); 8108 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8109 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8110 apkName).getAbsolutePath(); 8111 8112 if (info.secondaryCpuAbi != null) { 8113 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8114 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8115 secondaryLibDir, apkName).getAbsolutePath(); 8116 } 8117 } else if (asecApp) { 8118 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8119 .getAbsolutePath(); 8120 } else { 8121 final String apkName = deriveCodePathName(codePath); 8122 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8123 .getAbsolutePath(); 8124 } 8125 8126 info.nativeLibraryRootRequiresIsa = false; 8127 info.nativeLibraryDir = info.nativeLibraryRootDir; 8128 } else { 8129 // Cluster install 8130 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8131 info.nativeLibraryRootRequiresIsa = true; 8132 8133 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8134 getPrimaryInstructionSet(info)).getAbsolutePath(); 8135 8136 if (info.secondaryCpuAbi != null) { 8137 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8138 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8139 } 8140 } 8141 } 8142 8143 /** 8144 * Calculate the abis and roots for a bundled app. These can uniquely 8145 * be determined from the contents of the system partition, i.e whether 8146 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8147 * of this information, and instead assume that the system was built 8148 * sensibly. 8149 */ 8150 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8151 PackageSetting pkgSetting) { 8152 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8153 8154 // If "/system/lib64/apkname" exists, assume that is the per-package 8155 // native library directory to use; otherwise use "/system/lib/apkname". 8156 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8157 setBundledAppAbi(pkg, apkRoot, apkName); 8158 // pkgSetting might be null during rescan following uninstall of updates 8159 // to a bundled app, so accommodate that possibility. The settings in 8160 // that case will be established later from the parsed package. 8161 // 8162 // If the settings aren't null, sync them up with what we've just derived. 8163 // note that apkRoot isn't stored in the package settings. 8164 if (pkgSetting != null) { 8165 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8166 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8167 } 8168 } 8169 8170 /** 8171 * Deduces the ABI of a bundled app and sets the relevant fields on the 8172 * parsed pkg object. 8173 * 8174 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8175 * under which system libraries are installed. 8176 * @param apkName the name of the installed package. 8177 */ 8178 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8179 final File codeFile = new File(pkg.codePath); 8180 8181 final boolean has64BitLibs; 8182 final boolean has32BitLibs; 8183 if (isApkFile(codeFile)) { 8184 // Monolithic install 8185 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8186 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8187 } else { 8188 // Cluster install 8189 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8190 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8191 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8192 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8193 has64BitLibs = (new File(rootDir, isa)).exists(); 8194 } else { 8195 has64BitLibs = false; 8196 } 8197 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8198 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8199 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8200 has32BitLibs = (new File(rootDir, isa)).exists(); 8201 } else { 8202 has32BitLibs = false; 8203 } 8204 } 8205 8206 if (has64BitLibs && !has32BitLibs) { 8207 // The package has 64 bit libs, but not 32 bit libs. Its primary 8208 // ABI should be 64 bit. We can safely assume here that the bundled 8209 // native libraries correspond to the most preferred ABI in the list. 8210 8211 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8212 pkg.applicationInfo.secondaryCpuAbi = null; 8213 } else if (has32BitLibs && !has64BitLibs) { 8214 // The package has 32 bit libs but not 64 bit libs. Its primary 8215 // ABI should be 32 bit. 8216 8217 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8218 pkg.applicationInfo.secondaryCpuAbi = null; 8219 } else if (has32BitLibs && has64BitLibs) { 8220 // The application has both 64 and 32 bit bundled libraries. We check 8221 // here that the app declares multiArch support, and warn if it doesn't. 8222 // 8223 // We will be lenient here and record both ABIs. The primary will be the 8224 // ABI that's higher on the list, i.e, a device that's configured to prefer 8225 // 64 bit apps will see a 64 bit primary ABI, 8226 8227 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8228 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8229 } 8230 8231 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8232 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8233 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8234 } else { 8235 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8236 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8237 } 8238 } else { 8239 pkg.applicationInfo.primaryCpuAbi = null; 8240 pkg.applicationInfo.secondaryCpuAbi = null; 8241 } 8242 } 8243 8244 private void killApplication(String pkgName, int appId, String reason) { 8245 // Request the ActivityManager to kill the process(only for existing packages) 8246 // so that we do not end up in a confused state while the user is still using the older 8247 // version of the application while the new one gets installed. 8248 IActivityManager am = ActivityManagerNative.getDefault(); 8249 if (am != null) { 8250 try { 8251 am.killApplicationWithAppId(pkgName, appId, reason); 8252 } catch (RemoteException e) { 8253 } 8254 } 8255 } 8256 8257 void removePackageLI(PackageSetting ps, boolean chatty) { 8258 if (DEBUG_INSTALL) { 8259 if (chatty) 8260 Log.d(TAG, "Removing package " + ps.name); 8261 } 8262 8263 // writer 8264 synchronized (mPackages) { 8265 mPackages.remove(ps.name); 8266 final PackageParser.Package pkg = ps.pkg; 8267 if (pkg != null) { 8268 cleanPackageDataStructuresLILPw(pkg, chatty); 8269 } 8270 } 8271 } 8272 8273 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8274 if (DEBUG_INSTALL) { 8275 if (chatty) 8276 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8277 } 8278 8279 // writer 8280 synchronized (mPackages) { 8281 mPackages.remove(pkg.applicationInfo.packageName); 8282 cleanPackageDataStructuresLILPw(pkg, chatty); 8283 } 8284 } 8285 8286 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8287 int N = pkg.providers.size(); 8288 StringBuilder r = null; 8289 int i; 8290 for (i=0; i<N; i++) { 8291 PackageParser.Provider p = pkg.providers.get(i); 8292 mProviders.removeProvider(p); 8293 if (p.info.authority == null) { 8294 8295 /* There was another ContentProvider with this authority when 8296 * this app was installed so this authority is null, 8297 * Ignore it as we don't have to unregister the provider. 8298 */ 8299 continue; 8300 } 8301 String names[] = p.info.authority.split(";"); 8302 for (int j = 0; j < names.length; j++) { 8303 if (mProvidersByAuthority.get(names[j]) == p) { 8304 mProvidersByAuthority.remove(names[j]); 8305 if (DEBUG_REMOVE) { 8306 if (chatty) 8307 Log.d(TAG, "Unregistered content provider: " + names[j] 8308 + ", className = " + p.info.name + ", isSyncable = " 8309 + p.info.isSyncable); 8310 } 8311 } 8312 } 8313 if (DEBUG_REMOVE && chatty) { 8314 if (r == null) { 8315 r = new StringBuilder(256); 8316 } else { 8317 r.append(' '); 8318 } 8319 r.append(p.info.name); 8320 } 8321 } 8322 if (r != null) { 8323 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8324 } 8325 8326 N = pkg.services.size(); 8327 r = null; 8328 for (i=0; i<N; i++) { 8329 PackageParser.Service s = pkg.services.get(i); 8330 mServices.removeService(s); 8331 if (chatty) { 8332 if (r == null) { 8333 r = new StringBuilder(256); 8334 } else { 8335 r.append(' '); 8336 } 8337 r.append(s.info.name); 8338 } 8339 } 8340 if (r != null) { 8341 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8342 } 8343 8344 N = pkg.receivers.size(); 8345 r = null; 8346 for (i=0; i<N; i++) { 8347 PackageParser.Activity a = pkg.receivers.get(i); 8348 mReceivers.removeActivity(a, "receiver"); 8349 if (DEBUG_REMOVE && chatty) { 8350 if (r == null) { 8351 r = new StringBuilder(256); 8352 } else { 8353 r.append(' '); 8354 } 8355 r.append(a.info.name); 8356 } 8357 } 8358 if (r != null) { 8359 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8360 } 8361 8362 N = pkg.activities.size(); 8363 r = null; 8364 for (i=0; i<N; i++) { 8365 PackageParser.Activity a = pkg.activities.get(i); 8366 mActivities.removeActivity(a, "activity"); 8367 if (DEBUG_REMOVE && chatty) { 8368 if (r == null) { 8369 r = new StringBuilder(256); 8370 } else { 8371 r.append(' '); 8372 } 8373 r.append(a.info.name); 8374 } 8375 } 8376 if (r != null) { 8377 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8378 } 8379 8380 N = pkg.permissions.size(); 8381 r = null; 8382 for (i=0; i<N; i++) { 8383 PackageParser.Permission p = pkg.permissions.get(i); 8384 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8385 if (bp == null) { 8386 bp = mSettings.mPermissionTrees.get(p.info.name); 8387 } 8388 if (bp != null && bp.perm == p) { 8389 bp.perm = null; 8390 if (DEBUG_REMOVE && chatty) { 8391 if (r == null) { 8392 r = new StringBuilder(256); 8393 } else { 8394 r.append(' '); 8395 } 8396 r.append(p.info.name); 8397 } 8398 } 8399 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8400 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8401 if (appOpPerms != null) { 8402 appOpPerms.remove(pkg.packageName); 8403 } 8404 } 8405 } 8406 if (r != null) { 8407 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8408 } 8409 8410 N = pkg.requestedPermissions.size(); 8411 r = null; 8412 for (i=0; i<N; i++) { 8413 String perm = pkg.requestedPermissions.get(i); 8414 BasePermission bp = mSettings.mPermissions.get(perm); 8415 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8416 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8417 if (appOpPerms != null) { 8418 appOpPerms.remove(pkg.packageName); 8419 if (appOpPerms.isEmpty()) { 8420 mAppOpPermissionPackages.remove(perm); 8421 } 8422 } 8423 } 8424 } 8425 if (r != null) { 8426 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8427 } 8428 8429 N = pkg.instrumentation.size(); 8430 r = null; 8431 for (i=0; i<N; i++) { 8432 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8433 mInstrumentation.remove(a.getComponentName()); 8434 if (DEBUG_REMOVE && chatty) { 8435 if (r == null) { 8436 r = new StringBuilder(256); 8437 } else { 8438 r.append(' '); 8439 } 8440 r.append(a.info.name); 8441 } 8442 } 8443 if (r != null) { 8444 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8445 } 8446 8447 r = null; 8448 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8449 // Only system apps can hold shared libraries. 8450 if (pkg.libraryNames != null) { 8451 for (i=0; i<pkg.libraryNames.size(); i++) { 8452 String name = pkg.libraryNames.get(i); 8453 SharedLibraryEntry cur = mSharedLibraries.get(name); 8454 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8455 mSharedLibraries.remove(name); 8456 if (DEBUG_REMOVE && chatty) { 8457 if (r == null) { 8458 r = new StringBuilder(256); 8459 } else { 8460 r.append(' '); 8461 } 8462 r.append(name); 8463 } 8464 } 8465 } 8466 } 8467 } 8468 if (r != null) { 8469 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8470 } 8471 } 8472 8473 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8474 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8475 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8476 return true; 8477 } 8478 } 8479 return false; 8480 } 8481 8482 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8483 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8484 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8485 8486 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8487 int flags) { 8488 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8489 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8490 } 8491 8492 private void updatePermissionsLPw(String changingPkg, 8493 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8494 // Make sure there are no dangling permission trees. 8495 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8496 while (it.hasNext()) { 8497 final BasePermission bp = it.next(); 8498 if (bp.packageSetting == null) { 8499 // We may not yet have parsed the package, so just see if 8500 // we still know about its settings. 8501 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8502 } 8503 if (bp.packageSetting == null) { 8504 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8505 + " from package " + bp.sourcePackage); 8506 it.remove(); 8507 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8508 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8509 Slog.i(TAG, "Removing old permission tree: " + bp.name 8510 + " from package " + bp.sourcePackage); 8511 flags |= UPDATE_PERMISSIONS_ALL; 8512 it.remove(); 8513 } 8514 } 8515 } 8516 8517 // Make sure all dynamic permissions have been assigned to a package, 8518 // and make sure there are no dangling permissions. 8519 it = mSettings.mPermissions.values().iterator(); 8520 while (it.hasNext()) { 8521 final BasePermission bp = it.next(); 8522 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8523 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8524 + bp.name + " pkg=" + bp.sourcePackage 8525 + " info=" + bp.pendingInfo); 8526 if (bp.packageSetting == null && bp.pendingInfo != null) { 8527 final BasePermission tree = findPermissionTreeLP(bp.name); 8528 if (tree != null && tree.perm != null) { 8529 bp.packageSetting = tree.packageSetting; 8530 bp.perm = new PackageParser.Permission(tree.perm.owner, 8531 new PermissionInfo(bp.pendingInfo)); 8532 bp.perm.info.packageName = tree.perm.info.packageName; 8533 bp.perm.info.name = bp.name; 8534 bp.uid = tree.uid; 8535 } 8536 } 8537 } 8538 if (bp.packageSetting == null) { 8539 // We may not yet have parsed the package, so just see if 8540 // we still know about its settings. 8541 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8542 } 8543 if (bp.packageSetting == null) { 8544 Slog.w(TAG, "Removing dangling permission: " + bp.name 8545 + " from package " + bp.sourcePackage); 8546 it.remove(); 8547 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8548 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8549 Slog.i(TAG, "Removing old permission: " + bp.name 8550 + " from package " + bp.sourcePackage); 8551 flags |= UPDATE_PERMISSIONS_ALL; 8552 it.remove(); 8553 } 8554 } 8555 } 8556 8557 // Now update the permissions for all packages, in particular 8558 // replace the granted permissions of the system packages. 8559 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8560 for (PackageParser.Package pkg : mPackages.values()) { 8561 if (pkg != pkgInfo) { 8562 // Only replace for packages on requested volume 8563 final String volumeUuid = getVolumeUuidForPackage(pkg); 8564 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8565 && Objects.equals(replaceVolumeUuid, volumeUuid); 8566 grantPermissionsLPw(pkg, replace, changingPkg); 8567 } 8568 } 8569 } 8570 8571 if (pkgInfo != null) { 8572 // Only replace for packages on requested volume 8573 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8574 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8575 && Objects.equals(replaceVolumeUuid, volumeUuid); 8576 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8577 } 8578 } 8579 8580 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8581 String packageOfInterest) { 8582 // IMPORTANT: There are two types of permissions: install and runtime. 8583 // Install time permissions are granted when the app is installed to 8584 // all device users and users added in the future. Runtime permissions 8585 // are granted at runtime explicitly to specific users. Normal and signature 8586 // protected permissions are install time permissions. Dangerous permissions 8587 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8588 // otherwise they are runtime permissions. This function does not manage 8589 // runtime permissions except for the case an app targeting Lollipop MR1 8590 // being upgraded to target a newer SDK, in which case dangerous permissions 8591 // are transformed from install time to runtime ones. 8592 8593 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8594 if (ps == null) { 8595 return; 8596 } 8597 8598 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8599 8600 PermissionsState permissionsState = ps.getPermissionsState(); 8601 PermissionsState origPermissions = permissionsState; 8602 8603 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8604 8605 boolean runtimePermissionsRevoked = false; 8606 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8607 8608 boolean changedInstallPermission = false; 8609 8610 if (replace) { 8611 ps.installPermissionsFixed = false; 8612 if (!ps.isSharedUser()) { 8613 origPermissions = new PermissionsState(permissionsState); 8614 permissionsState.reset(); 8615 } else { 8616 // We need to know only about runtime permission changes since the 8617 // calling code always writes the install permissions state but 8618 // the runtime ones are written only if changed. The only cases of 8619 // changed runtime permissions here are promotion of an install to 8620 // runtime and revocation of a runtime from a shared user. 8621 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8622 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8623 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8624 runtimePermissionsRevoked = true; 8625 } 8626 } 8627 } 8628 8629 permissionsState.setGlobalGids(mGlobalGids); 8630 8631 final int N = pkg.requestedPermissions.size(); 8632 for (int i=0; i<N; i++) { 8633 final String name = pkg.requestedPermissions.get(i); 8634 final BasePermission bp = mSettings.mPermissions.get(name); 8635 8636 if (DEBUG_INSTALL) { 8637 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8638 } 8639 8640 if (bp == null || bp.packageSetting == null) { 8641 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8642 Slog.w(TAG, "Unknown permission " + name 8643 + " in package " + pkg.packageName); 8644 } 8645 continue; 8646 } 8647 8648 final String perm = bp.name; 8649 boolean allowedSig = false; 8650 int grant = GRANT_DENIED; 8651 8652 // Keep track of app op permissions. 8653 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8654 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8655 if (pkgs == null) { 8656 pkgs = new ArraySet<>(); 8657 mAppOpPermissionPackages.put(bp.name, pkgs); 8658 } 8659 pkgs.add(pkg.packageName); 8660 } 8661 8662 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8663 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8664 >= Build.VERSION_CODES.M; 8665 switch (level) { 8666 case PermissionInfo.PROTECTION_NORMAL: { 8667 // For all apps normal permissions are install time ones. 8668 grant = GRANT_INSTALL; 8669 } break; 8670 8671 case PermissionInfo.PROTECTION_DANGEROUS: { 8672 // If a permission review is required for legacy apps we represent 8673 // their permissions as always granted runtime ones since we need 8674 // to keep the review required permission flag per user while an 8675 // install permission's state is shared across all users. 8676 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8677 // For legacy apps dangerous permissions are install time ones. 8678 grant = GRANT_INSTALL; 8679 } else if (origPermissions.hasInstallPermission(bp.name)) { 8680 // For legacy apps that became modern, install becomes runtime. 8681 grant = GRANT_UPGRADE; 8682 } else if (mPromoteSystemApps 8683 && isSystemApp(ps) 8684 && mExistingSystemPackages.contains(ps.name)) { 8685 // For legacy system apps, install becomes runtime. 8686 // We cannot check hasInstallPermission() for system apps since those 8687 // permissions were granted implicitly and not persisted pre-M. 8688 grant = GRANT_UPGRADE; 8689 } else { 8690 // For modern apps keep runtime permissions unchanged. 8691 grant = GRANT_RUNTIME; 8692 } 8693 } break; 8694 8695 case PermissionInfo.PROTECTION_SIGNATURE: { 8696 // For all apps signature permissions are install time ones. 8697 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8698 if (allowedSig) { 8699 grant = GRANT_INSTALL; 8700 } 8701 } break; 8702 } 8703 8704 if (DEBUG_INSTALL) { 8705 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8706 } 8707 8708 if (grant != GRANT_DENIED) { 8709 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8710 // If this is an existing, non-system package, then 8711 // we can't add any new permissions to it. 8712 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8713 // Except... if this is a permission that was added 8714 // to the platform (note: need to only do this when 8715 // updating the platform). 8716 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8717 grant = GRANT_DENIED; 8718 } 8719 } 8720 } 8721 8722 switch (grant) { 8723 case GRANT_INSTALL: { 8724 // Revoke this as runtime permission to handle the case of 8725 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8726 for (int userId : UserManagerService.getInstance().getUserIds()) { 8727 if (origPermissions.getRuntimePermissionState( 8728 bp.name, userId) != null) { 8729 // Revoke the runtime permission and clear the flags. 8730 origPermissions.revokeRuntimePermission(bp, userId); 8731 origPermissions.updatePermissionFlags(bp, userId, 8732 PackageManager.MASK_PERMISSION_FLAGS, 0); 8733 // If we revoked a permission permission, we have to write. 8734 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8735 changedRuntimePermissionUserIds, userId); 8736 } 8737 } 8738 // Grant an install permission. 8739 if (permissionsState.grantInstallPermission(bp) != 8740 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8741 changedInstallPermission = true; 8742 } 8743 } break; 8744 8745 case GRANT_RUNTIME: { 8746 // Grant previously granted runtime permissions. 8747 for (int userId : UserManagerService.getInstance().getUserIds()) { 8748 PermissionState permissionState = origPermissions 8749 .getRuntimePermissionState(bp.name, userId); 8750 int flags = permissionState != null 8751 ? permissionState.getFlags() : 0; 8752 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8753 if (permissionsState.grantRuntimePermission(bp, userId) == 8754 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8755 // If we cannot put the permission as it was, we have to write. 8756 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8757 changedRuntimePermissionUserIds, userId); 8758 } 8759 // If the app supports runtime permissions no need for a review. 8760 if (Build.PERMISSIONS_REVIEW_REQUIRED 8761 && appSupportsRuntimePermissions 8762 && (flags & PackageManager 8763 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8764 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8765 // Since we changed the flags, we have to write. 8766 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8767 changedRuntimePermissionUserIds, userId); 8768 } 8769 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8770 && !appSupportsRuntimePermissions) { 8771 // For legacy apps that need a permission review, every new 8772 // runtime permission is granted but it is pending a review. 8773 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8774 permissionsState.grantRuntimePermission(bp, userId); 8775 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8776 // We changed the permission and flags, hence have to write. 8777 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8778 changedRuntimePermissionUserIds, userId); 8779 } 8780 } 8781 // Propagate the permission flags. 8782 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8783 } 8784 } break; 8785 8786 case GRANT_UPGRADE: { 8787 // Grant runtime permissions for a previously held install permission. 8788 PermissionState permissionState = origPermissions 8789 .getInstallPermissionState(bp.name); 8790 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8791 8792 if (origPermissions.revokeInstallPermission(bp) 8793 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8794 // We will be transferring the permission flags, so clear them. 8795 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8796 PackageManager.MASK_PERMISSION_FLAGS, 0); 8797 changedInstallPermission = true; 8798 } 8799 8800 // If the permission is not to be promoted to runtime we ignore it and 8801 // also its other flags as they are not applicable to install permissions. 8802 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8803 for (int userId : currentUserIds) { 8804 if (permissionsState.grantRuntimePermission(bp, userId) != 8805 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8806 // Transfer the permission flags. 8807 permissionsState.updatePermissionFlags(bp, userId, 8808 flags, flags); 8809 // If we granted the permission, we have to write. 8810 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8811 changedRuntimePermissionUserIds, userId); 8812 } 8813 } 8814 } 8815 } break; 8816 8817 default: { 8818 if (packageOfInterest == null 8819 || packageOfInterest.equals(pkg.packageName)) { 8820 Slog.w(TAG, "Not granting permission " + perm 8821 + " to package " + pkg.packageName 8822 + " because it was previously installed without"); 8823 } 8824 } break; 8825 } 8826 } else { 8827 if (permissionsState.revokeInstallPermission(bp) != 8828 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8829 // Also drop the permission flags. 8830 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8831 PackageManager.MASK_PERMISSION_FLAGS, 0); 8832 changedInstallPermission = true; 8833 Slog.i(TAG, "Un-granting permission " + perm 8834 + " from package " + pkg.packageName 8835 + " (protectionLevel=" + bp.protectionLevel 8836 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8837 + ")"); 8838 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8839 // Don't print warning for app op permissions, since it is fine for them 8840 // not to be granted, there is a UI for the user to decide. 8841 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8842 Slog.w(TAG, "Not granting permission " + perm 8843 + " to package " + pkg.packageName 8844 + " (protectionLevel=" + bp.protectionLevel 8845 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8846 + ")"); 8847 } 8848 } 8849 } 8850 } 8851 8852 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8853 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8854 // This is the first that we have heard about this package, so the 8855 // permissions we have now selected are fixed until explicitly 8856 // changed. 8857 ps.installPermissionsFixed = true; 8858 } 8859 8860 // Persist the runtime permissions state for users with changes. If permissions 8861 // were revoked because no app in the shared user declares them we have to 8862 // write synchronously to avoid losing runtime permissions state. 8863 for (int userId : changedRuntimePermissionUserIds) { 8864 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8865 } 8866 8867 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8868 } 8869 8870 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8871 boolean allowed = false; 8872 final int NP = PackageParser.NEW_PERMISSIONS.length; 8873 for (int ip=0; ip<NP; ip++) { 8874 final PackageParser.NewPermissionInfo npi 8875 = PackageParser.NEW_PERMISSIONS[ip]; 8876 if (npi.name.equals(perm) 8877 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8878 allowed = true; 8879 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8880 + pkg.packageName); 8881 break; 8882 } 8883 } 8884 return allowed; 8885 } 8886 8887 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8888 BasePermission bp, PermissionsState origPermissions) { 8889 boolean allowed; 8890 allowed = (compareSignatures( 8891 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8892 == PackageManager.SIGNATURE_MATCH) 8893 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8894 == PackageManager.SIGNATURE_MATCH); 8895 if (!allowed && (bp.protectionLevel 8896 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8897 if (isSystemApp(pkg)) { 8898 // For updated system applications, a system permission 8899 // is granted only if it had been defined by the original application. 8900 if (pkg.isUpdatedSystemApp()) { 8901 final PackageSetting sysPs = mSettings 8902 .getDisabledSystemPkgLPr(pkg.packageName); 8903 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8904 // If the original was granted this permission, we take 8905 // that grant decision as read and propagate it to the 8906 // update. 8907 if (sysPs.isPrivileged()) { 8908 allowed = true; 8909 } 8910 } else { 8911 // The system apk may have been updated with an older 8912 // version of the one on the data partition, but which 8913 // granted a new system permission that it didn't have 8914 // before. In this case we do want to allow the app to 8915 // now get the new permission if the ancestral apk is 8916 // privileged to get it. 8917 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8918 for (int j=0; 8919 j<sysPs.pkg.requestedPermissions.size(); j++) { 8920 if (perm.equals( 8921 sysPs.pkg.requestedPermissions.get(j))) { 8922 allowed = true; 8923 break; 8924 } 8925 } 8926 } 8927 } 8928 } else { 8929 allowed = isPrivilegedApp(pkg); 8930 } 8931 } 8932 } 8933 if (!allowed) { 8934 if (!allowed && (bp.protectionLevel 8935 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8936 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8937 // If this was a previously normal/dangerous permission that got moved 8938 // to a system permission as part of the runtime permission redesign, then 8939 // we still want to blindly grant it to old apps. 8940 allowed = true; 8941 } 8942 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8943 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8944 // If this permission is to be granted to the system installer and 8945 // this app is an installer, then it gets the permission. 8946 allowed = true; 8947 } 8948 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8949 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8950 // If this permission is to be granted to the system verifier and 8951 // this app is a verifier, then it gets the permission. 8952 allowed = true; 8953 } 8954 if (!allowed && (bp.protectionLevel 8955 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8956 && isSystemApp(pkg)) { 8957 // Any pre-installed system app is allowed to get this permission. 8958 allowed = true; 8959 } 8960 if (!allowed && (bp.protectionLevel 8961 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8962 // For development permissions, a development permission 8963 // is granted only if it was already granted. 8964 allowed = origPermissions.hasInstallPermission(perm); 8965 } 8966 } 8967 return allowed; 8968 } 8969 8970 final class ActivityIntentResolver 8971 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8972 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8973 boolean defaultOnly, int userId) { 8974 if (!sUserManager.exists(userId)) return null; 8975 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8976 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8977 } 8978 8979 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8980 int userId) { 8981 if (!sUserManager.exists(userId)) return null; 8982 mFlags = flags; 8983 return super.queryIntent(intent, resolvedType, 8984 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8985 } 8986 8987 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8988 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8989 if (!sUserManager.exists(userId)) return null; 8990 if (packageActivities == null) { 8991 return null; 8992 } 8993 mFlags = flags; 8994 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8995 final int N = packageActivities.size(); 8996 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8997 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8998 8999 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9000 for (int i = 0; i < N; ++i) { 9001 intentFilters = packageActivities.get(i).intents; 9002 if (intentFilters != null && intentFilters.size() > 0) { 9003 PackageParser.ActivityIntentInfo[] array = 9004 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9005 intentFilters.toArray(array); 9006 listCut.add(array); 9007 } 9008 } 9009 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9010 } 9011 9012 public final void addActivity(PackageParser.Activity a, String type) { 9013 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9014 mActivities.put(a.getComponentName(), a); 9015 if (DEBUG_SHOW_INFO) 9016 Log.v( 9017 TAG, " " + type + " " + 9018 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9019 if (DEBUG_SHOW_INFO) 9020 Log.v(TAG, " Class=" + a.info.name); 9021 final int NI = a.intents.size(); 9022 for (int j=0; j<NI; j++) { 9023 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9024 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9025 intent.setPriority(0); 9026 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9027 + a.className + " with priority > 0, forcing to 0"); 9028 } 9029 if (DEBUG_SHOW_INFO) { 9030 Log.v(TAG, " IntentFilter:"); 9031 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9032 } 9033 if (!intent.debugCheck()) { 9034 Log.w(TAG, "==> For Activity " + a.info.name); 9035 } 9036 addFilter(intent); 9037 } 9038 } 9039 9040 public final void removeActivity(PackageParser.Activity a, String type) { 9041 mActivities.remove(a.getComponentName()); 9042 if (DEBUG_SHOW_INFO) { 9043 Log.v(TAG, " " + type + " " 9044 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9045 : a.info.name) + ":"); 9046 Log.v(TAG, " Class=" + a.info.name); 9047 } 9048 final int NI = a.intents.size(); 9049 for (int j=0; j<NI; j++) { 9050 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9051 if (DEBUG_SHOW_INFO) { 9052 Log.v(TAG, " IntentFilter:"); 9053 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9054 } 9055 removeFilter(intent); 9056 } 9057 } 9058 9059 @Override 9060 protected boolean allowFilterResult( 9061 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9062 ActivityInfo filterAi = filter.activity.info; 9063 for (int i=dest.size()-1; i>=0; i--) { 9064 ActivityInfo destAi = dest.get(i).activityInfo; 9065 if (destAi.name == filterAi.name 9066 && destAi.packageName == filterAi.packageName) { 9067 return false; 9068 } 9069 } 9070 return true; 9071 } 9072 9073 @Override 9074 protected ActivityIntentInfo[] newArray(int size) { 9075 return new ActivityIntentInfo[size]; 9076 } 9077 9078 @Override 9079 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9080 if (!sUserManager.exists(userId)) return true; 9081 PackageParser.Package p = filter.activity.owner; 9082 if (p != null) { 9083 PackageSetting ps = (PackageSetting)p.mExtras; 9084 if (ps != null) { 9085 // System apps are never considered stopped for purposes of 9086 // filtering, because there may be no way for the user to 9087 // actually re-launch them. 9088 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9089 && ps.getStopped(userId); 9090 } 9091 } 9092 return false; 9093 } 9094 9095 @Override 9096 protected boolean isPackageForFilter(String packageName, 9097 PackageParser.ActivityIntentInfo info) { 9098 return packageName.equals(info.activity.owner.packageName); 9099 } 9100 9101 @Override 9102 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9103 int match, int userId) { 9104 if (!sUserManager.exists(userId)) return null; 9105 if (!mSettings.isEnabledAndVisibleLPr(info.activity.info, mFlags, userId)) { 9106 return null; 9107 } 9108 final PackageParser.Activity activity = info.activity; 9109 if (mSafeMode && (activity.info.applicationInfo.flags 9110 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9111 return null; 9112 } 9113 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9114 if (ps == null) { 9115 return null; 9116 } 9117 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9118 ps.readUserState(userId), userId); 9119 if (ai == null) { 9120 return null; 9121 } 9122 final ResolveInfo res = new ResolveInfo(); 9123 res.activityInfo = ai; 9124 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9125 res.filter = info; 9126 } 9127 if (info != null) { 9128 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9129 } 9130 res.priority = info.getPriority(); 9131 res.preferredOrder = activity.owner.mPreferredOrder; 9132 //System.out.println("Result: " + res.activityInfo.className + 9133 // " = " + res.priority); 9134 res.match = match; 9135 res.isDefault = info.hasDefault; 9136 res.labelRes = info.labelRes; 9137 res.nonLocalizedLabel = info.nonLocalizedLabel; 9138 if (userNeedsBadging(userId)) { 9139 res.noResourceId = true; 9140 } else { 9141 res.icon = info.icon; 9142 } 9143 res.iconResourceId = info.icon; 9144 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9145 return res; 9146 } 9147 9148 @Override 9149 protected void sortResults(List<ResolveInfo> results) { 9150 Collections.sort(results, mResolvePrioritySorter); 9151 } 9152 9153 @Override 9154 protected void dumpFilter(PrintWriter out, String prefix, 9155 PackageParser.ActivityIntentInfo filter) { 9156 out.print(prefix); out.print( 9157 Integer.toHexString(System.identityHashCode(filter.activity))); 9158 out.print(' '); 9159 filter.activity.printComponentShortName(out); 9160 out.print(" filter "); 9161 out.println(Integer.toHexString(System.identityHashCode(filter))); 9162 } 9163 9164 @Override 9165 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9166 return filter.activity; 9167 } 9168 9169 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9170 PackageParser.Activity activity = (PackageParser.Activity)label; 9171 out.print(prefix); out.print( 9172 Integer.toHexString(System.identityHashCode(activity))); 9173 out.print(' '); 9174 activity.printComponentShortName(out); 9175 if (count > 1) { 9176 out.print(" ("); out.print(count); out.print(" filters)"); 9177 } 9178 out.println(); 9179 } 9180 9181// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9182// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9183// final List<ResolveInfo> retList = Lists.newArrayList(); 9184// while (i.hasNext()) { 9185// final ResolveInfo resolveInfo = i.next(); 9186// if (isEnabledLP(resolveInfo.activityInfo)) { 9187// retList.add(resolveInfo); 9188// } 9189// } 9190// return retList; 9191// } 9192 9193 // Keys are String (activity class name), values are Activity. 9194 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9195 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9196 private int mFlags; 9197 } 9198 9199 private final class ServiceIntentResolver 9200 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9201 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9202 boolean defaultOnly, int userId) { 9203 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9204 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9205 } 9206 9207 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9208 int userId) { 9209 if (!sUserManager.exists(userId)) return null; 9210 mFlags = flags; 9211 return super.queryIntent(intent, resolvedType, 9212 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9213 } 9214 9215 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9216 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9217 if (!sUserManager.exists(userId)) return null; 9218 if (packageServices == null) { 9219 return null; 9220 } 9221 mFlags = flags; 9222 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9223 final int N = packageServices.size(); 9224 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9225 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9226 9227 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9228 for (int i = 0; i < N; ++i) { 9229 intentFilters = packageServices.get(i).intents; 9230 if (intentFilters != null && intentFilters.size() > 0) { 9231 PackageParser.ServiceIntentInfo[] array = 9232 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9233 intentFilters.toArray(array); 9234 listCut.add(array); 9235 } 9236 } 9237 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9238 } 9239 9240 public final void addService(PackageParser.Service s) { 9241 mServices.put(s.getComponentName(), s); 9242 if (DEBUG_SHOW_INFO) { 9243 Log.v(TAG, " " 9244 + (s.info.nonLocalizedLabel != null 9245 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9246 Log.v(TAG, " Class=" + s.info.name); 9247 } 9248 final int NI = s.intents.size(); 9249 int j; 9250 for (j=0; j<NI; j++) { 9251 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9252 if (DEBUG_SHOW_INFO) { 9253 Log.v(TAG, " IntentFilter:"); 9254 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9255 } 9256 if (!intent.debugCheck()) { 9257 Log.w(TAG, "==> For Service " + s.info.name); 9258 } 9259 addFilter(intent); 9260 } 9261 } 9262 9263 public final void removeService(PackageParser.Service s) { 9264 mServices.remove(s.getComponentName()); 9265 if (DEBUG_SHOW_INFO) { 9266 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9267 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9268 Log.v(TAG, " Class=" + s.info.name); 9269 } 9270 final int NI = s.intents.size(); 9271 int j; 9272 for (j=0; j<NI; j++) { 9273 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9274 if (DEBUG_SHOW_INFO) { 9275 Log.v(TAG, " IntentFilter:"); 9276 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9277 } 9278 removeFilter(intent); 9279 } 9280 } 9281 9282 @Override 9283 protected boolean allowFilterResult( 9284 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9285 ServiceInfo filterSi = filter.service.info; 9286 for (int i=dest.size()-1; i>=0; i--) { 9287 ServiceInfo destAi = dest.get(i).serviceInfo; 9288 if (destAi.name == filterSi.name 9289 && destAi.packageName == filterSi.packageName) { 9290 return false; 9291 } 9292 } 9293 return true; 9294 } 9295 9296 @Override 9297 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9298 return new PackageParser.ServiceIntentInfo[size]; 9299 } 9300 9301 @Override 9302 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9303 if (!sUserManager.exists(userId)) return true; 9304 PackageParser.Package p = filter.service.owner; 9305 if (p != null) { 9306 PackageSetting ps = (PackageSetting)p.mExtras; 9307 if (ps != null) { 9308 // System apps are never considered stopped for purposes of 9309 // filtering, because there may be no way for the user to 9310 // actually re-launch them. 9311 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9312 && ps.getStopped(userId); 9313 } 9314 } 9315 return false; 9316 } 9317 9318 @Override 9319 protected boolean isPackageForFilter(String packageName, 9320 PackageParser.ServiceIntentInfo info) { 9321 return packageName.equals(info.service.owner.packageName); 9322 } 9323 9324 @Override 9325 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9326 int match, int userId) { 9327 if (!sUserManager.exists(userId)) return null; 9328 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9329 if (!mSettings.isEnabledAndVisibleLPr(info.service.info, mFlags, userId)) { 9330 return null; 9331 } 9332 final PackageParser.Service service = info.service; 9333 if (mSafeMode && (service.info.applicationInfo.flags 9334 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9335 return null; 9336 } 9337 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9338 if (ps == null) { 9339 return null; 9340 } 9341 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9342 ps.readUserState(userId), userId); 9343 if (si == null) { 9344 return null; 9345 } 9346 final ResolveInfo res = new ResolveInfo(); 9347 res.serviceInfo = si; 9348 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9349 res.filter = filter; 9350 } 9351 res.priority = info.getPriority(); 9352 res.preferredOrder = service.owner.mPreferredOrder; 9353 res.match = match; 9354 res.isDefault = info.hasDefault; 9355 res.labelRes = info.labelRes; 9356 res.nonLocalizedLabel = info.nonLocalizedLabel; 9357 res.icon = info.icon; 9358 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9359 return res; 9360 } 9361 9362 @Override 9363 protected void sortResults(List<ResolveInfo> results) { 9364 Collections.sort(results, mResolvePrioritySorter); 9365 } 9366 9367 @Override 9368 protected void dumpFilter(PrintWriter out, String prefix, 9369 PackageParser.ServiceIntentInfo filter) { 9370 out.print(prefix); out.print( 9371 Integer.toHexString(System.identityHashCode(filter.service))); 9372 out.print(' '); 9373 filter.service.printComponentShortName(out); 9374 out.print(" filter "); 9375 out.println(Integer.toHexString(System.identityHashCode(filter))); 9376 } 9377 9378 @Override 9379 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9380 return filter.service; 9381 } 9382 9383 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9384 PackageParser.Service service = (PackageParser.Service)label; 9385 out.print(prefix); out.print( 9386 Integer.toHexString(System.identityHashCode(service))); 9387 out.print(' '); 9388 service.printComponentShortName(out); 9389 if (count > 1) { 9390 out.print(" ("); out.print(count); out.print(" filters)"); 9391 } 9392 out.println(); 9393 } 9394 9395// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9396// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9397// final List<ResolveInfo> retList = Lists.newArrayList(); 9398// while (i.hasNext()) { 9399// final ResolveInfo resolveInfo = (ResolveInfo) i; 9400// if (isEnabledLP(resolveInfo.serviceInfo)) { 9401// retList.add(resolveInfo); 9402// } 9403// } 9404// return retList; 9405// } 9406 9407 // Keys are String (activity class name), values are Activity. 9408 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9409 = new ArrayMap<ComponentName, PackageParser.Service>(); 9410 private int mFlags; 9411 }; 9412 9413 private final class ProviderIntentResolver 9414 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9415 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9416 boolean defaultOnly, int userId) { 9417 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9418 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9419 } 9420 9421 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9422 int userId) { 9423 if (!sUserManager.exists(userId)) 9424 return null; 9425 mFlags = flags; 9426 return super.queryIntent(intent, resolvedType, 9427 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9428 } 9429 9430 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9431 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9432 if (!sUserManager.exists(userId)) 9433 return null; 9434 if (packageProviders == null) { 9435 return null; 9436 } 9437 mFlags = flags; 9438 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9439 final int N = packageProviders.size(); 9440 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9441 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9442 9443 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9444 for (int i = 0; i < N; ++i) { 9445 intentFilters = packageProviders.get(i).intents; 9446 if (intentFilters != null && intentFilters.size() > 0) { 9447 PackageParser.ProviderIntentInfo[] array = 9448 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9449 intentFilters.toArray(array); 9450 listCut.add(array); 9451 } 9452 } 9453 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9454 } 9455 9456 public final void addProvider(PackageParser.Provider p) { 9457 if (mProviders.containsKey(p.getComponentName())) { 9458 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9459 return; 9460 } 9461 9462 mProviders.put(p.getComponentName(), p); 9463 if (DEBUG_SHOW_INFO) { 9464 Log.v(TAG, " " 9465 + (p.info.nonLocalizedLabel != null 9466 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9467 Log.v(TAG, " Class=" + p.info.name); 9468 } 9469 final int NI = p.intents.size(); 9470 int j; 9471 for (j = 0; j < NI; j++) { 9472 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9473 if (DEBUG_SHOW_INFO) { 9474 Log.v(TAG, " IntentFilter:"); 9475 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9476 } 9477 if (!intent.debugCheck()) { 9478 Log.w(TAG, "==> For Provider " + p.info.name); 9479 } 9480 addFilter(intent); 9481 } 9482 } 9483 9484 public final void removeProvider(PackageParser.Provider p) { 9485 mProviders.remove(p.getComponentName()); 9486 if (DEBUG_SHOW_INFO) { 9487 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9488 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9489 Log.v(TAG, " Class=" + p.info.name); 9490 } 9491 final int NI = p.intents.size(); 9492 int j; 9493 for (j = 0; j < NI; j++) { 9494 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9495 if (DEBUG_SHOW_INFO) { 9496 Log.v(TAG, " IntentFilter:"); 9497 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9498 } 9499 removeFilter(intent); 9500 } 9501 } 9502 9503 @Override 9504 protected boolean allowFilterResult( 9505 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9506 ProviderInfo filterPi = filter.provider.info; 9507 for (int i = dest.size() - 1; i >= 0; i--) { 9508 ProviderInfo destPi = dest.get(i).providerInfo; 9509 if (destPi.name == filterPi.name 9510 && destPi.packageName == filterPi.packageName) { 9511 return false; 9512 } 9513 } 9514 return true; 9515 } 9516 9517 @Override 9518 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9519 return new PackageParser.ProviderIntentInfo[size]; 9520 } 9521 9522 @Override 9523 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9524 if (!sUserManager.exists(userId)) 9525 return true; 9526 PackageParser.Package p = filter.provider.owner; 9527 if (p != null) { 9528 PackageSetting ps = (PackageSetting) p.mExtras; 9529 if (ps != null) { 9530 // System apps are never considered stopped for purposes of 9531 // filtering, because there may be no way for the user to 9532 // actually re-launch them. 9533 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9534 && ps.getStopped(userId); 9535 } 9536 } 9537 return false; 9538 } 9539 9540 @Override 9541 protected boolean isPackageForFilter(String packageName, 9542 PackageParser.ProviderIntentInfo info) { 9543 return packageName.equals(info.provider.owner.packageName); 9544 } 9545 9546 @Override 9547 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9548 int match, int userId) { 9549 if (!sUserManager.exists(userId)) 9550 return null; 9551 final PackageParser.ProviderIntentInfo info = filter; 9552 if (!mSettings.isEnabledAndVisibleLPr(info.provider.info, mFlags, userId)) { 9553 return null; 9554 } 9555 final PackageParser.Provider provider = info.provider; 9556 if (mSafeMode && (provider.info.applicationInfo.flags 9557 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9558 return null; 9559 } 9560 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9561 if (ps == null) { 9562 return null; 9563 } 9564 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9565 ps.readUserState(userId), userId); 9566 if (pi == null) { 9567 return null; 9568 } 9569 final ResolveInfo res = new ResolveInfo(); 9570 res.providerInfo = pi; 9571 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9572 res.filter = filter; 9573 } 9574 res.priority = info.getPriority(); 9575 res.preferredOrder = provider.owner.mPreferredOrder; 9576 res.match = match; 9577 res.isDefault = info.hasDefault; 9578 res.labelRes = info.labelRes; 9579 res.nonLocalizedLabel = info.nonLocalizedLabel; 9580 res.icon = info.icon; 9581 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9582 return res; 9583 } 9584 9585 @Override 9586 protected void sortResults(List<ResolveInfo> results) { 9587 Collections.sort(results, mResolvePrioritySorter); 9588 } 9589 9590 @Override 9591 protected void dumpFilter(PrintWriter out, String prefix, 9592 PackageParser.ProviderIntentInfo filter) { 9593 out.print(prefix); 9594 out.print( 9595 Integer.toHexString(System.identityHashCode(filter.provider))); 9596 out.print(' '); 9597 filter.provider.printComponentShortName(out); 9598 out.print(" filter "); 9599 out.println(Integer.toHexString(System.identityHashCode(filter))); 9600 } 9601 9602 @Override 9603 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9604 return filter.provider; 9605 } 9606 9607 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9608 PackageParser.Provider provider = (PackageParser.Provider)label; 9609 out.print(prefix); out.print( 9610 Integer.toHexString(System.identityHashCode(provider))); 9611 out.print(' '); 9612 provider.printComponentShortName(out); 9613 if (count > 1) { 9614 out.print(" ("); out.print(count); out.print(" filters)"); 9615 } 9616 out.println(); 9617 } 9618 9619 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9620 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9621 private int mFlags; 9622 } 9623 9624 private static final class EphemeralIntentResolver 9625 extends IntentResolver<IntentFilter, ResolveInfo> { 9626 @Override 9627 protected IntentFilter[] newArray(int size) { 9628 return new IntentFilter[size]; 9629 } 9630 9631 @Override 9632 protected boolean isPackageForFilter(String packageName, IntentFilter info) { 9633 return true; 9634 } 9635 9636 @Override 9637 protected ResolveInfo newResult(IntentFilter info, int match, int userId) { 9638 if (!sUserManager.exists(userId)) return null; 9639 final ResolveInfo res = new ResolveInfo(); 9640 res.filter = info; 9641 return res; 9642 } 9643 } 9644 9645 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9646 new Comparator<ResolveInfo>() { 9647 public int compare(ResolveInfo r1, ResolveInfo r2) { 9648 int v1 = r1.priority; 9649 int v2 = r2.priority; 9650 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9651 if (v1 != v2) { 9652 return (v1 > v2) ? -1 : 1; 9653 } 9654 v1 = r1.preferredOrder; 9655 v2 = r2.preferredOrder; 9656 if (v1 != v2) { 9657 return (v1 > v2) ? -1 : 1; 9658 } 9659 if (r1.isDefault != r2.isDefault) { 9660 return r1.isDefault ? -1 : 1; 9661 } 9662 v1 = r1.match; 9663 v2 = r2.match; 9664 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9665 if (v1 != v2) { 9666 return (v1 > v2) ? -1 : 1; 9667 } 9668 if (r1.system != r2.system) { 9669 return r1.system ? -1 : 1; 9670 } 9671 return 0; 9672 } 9673 }; 9674 9675 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9676 new Comparator<ProviderInfo>() { 9677 public int compare(ProviderInfo p1, ProviderInfo p2) { 9678 final int v1 = p1.initOrder; 9679 final int v2 = p2.initOrder; 9680 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9681 } 9682 }; 9683 9684 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9685 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9686 final int[] userIds) { 9687 mHandler.post(new Runnable() { 9688 @Override 9689 public void run() { 9690 try { 9691 final IActivityManager am = ActivityManagerNative.getDefault(); 9692 if (am == null) return; 9693 final int[] resolvedUserIds; 9694 if (userIds == null) { 9695 resolvedUserIds = am.getRunningUserIds(); 9696 } else { 9697 resolvedUserIds = userIds; 9698 } 9699 for (int id : resolvedUserIds) { 9700 final Intent intent = new Intent(action, 9701 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9702 if (extras != null) { 9703 intent.putExtras(extras); 9704 } 9705 if (targetPkg != null) { 9706 intent.setPackage(targetPkg); 9707 } 9708 // Modify the UID when posting to other users 9709 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9710 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9711 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9712 intent.putExtra(Intent.EXTRA_UID, uid); 9713 } 9714 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9715 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9716 if (DEBUG_BROADCASTS) { 9717 RuntimeException here = new RuntimeException("here"); 9718 here.fillInStackTrace(); 9719 Slog.d(TAG, "Sending to user " + id + ": " 9720 + intent.toShortString(false, true, false, false) 9721 + " " + intent.getExtras(), here); 9722 } 9723 am.broadcastIntent(null, intent, null, finishedReceiver, 9724 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9725 null, finishedReceiver != null, false, id); 9726 } 9727 } catch (RemoteException ex) { 9728 } 9729 } 9730 }); 9731 } 9732 9733 /** 9734 * Check if the external storage media is available. This is true if there 9735 * is a mounted external storage medium or if the external storage is 9736 * emulated. 9737 */ 9738 private boolean isExternalMediaAvailable() { 9739 return mMediaMounted || Environment.isExternalStorageEmulated(); 9740 } 9741 9742 @Override 9743 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9744 // writer 9745 synchronized (mPackages) { 9746 if (!isExternalMediaAvailable()) { 9747 // If the external storage is no longer mounted at this point, 9748 // the caller may not have been able to delete all of this 9749 // packages files and can not delete any more. Bail. 9750 return null; 9751 } 9752 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9753 if (lastPackage != null) { 9754 pkgs.remove(lastPackage); 9755 } 9756 if (pkgs.size() > 0) { 9757 return pkgs.get(0); 9758 } 9759 } 9760 return null; 9761 } 9762 9763 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9764 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9765 userId, andCode ? 1 : 0, packageName); 9766 if (mSystemReady) { 9767 msg.sendToTarget(); 9768 } else { 9769 if (mPostSystemReadyMessages == null) { 9770 mPostSystemReadyMessages = new ArrayList<>(); 9771 } 9772 mPostSystemReadyMessages.add(msg); 9773 } 9774 } 9775 9776 void startCleaningPackages() { 9777 // reader 9778 synchronized (mPackages) { 9779 if (!isExternalMediaAvailable()) { 9780 return; 9781 } 9782 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9783 return; 9784 } 9785 } 9786 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9787 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9788 IActivityManager am = ActivityManagerNative.getDefault(); 9789 if (am != null) { 9790 try { 9791 am.startService(null, intent, null, mContext.getOpPackageName(), 9792 UserHandle.USER_SYSTEM); 9793 } catch (RemoteException e) { 9794 } 9795 } 9796 } 9797 9798 @Override 9799 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9800 int installFlags, String installerPackageName, VerificationParams verificationParams, 9801 String packageAbiOverride) { 9802 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9803 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9804 } 9805 9806 @Override 9807 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9808 int installFlags, String installerPackageName, VerificationParams verificationParams, 9809 String packageAbiOverride, int userId) { 9810 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9811 9812 final int callingUid = Binder.getCallingUid(); 9813 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9814 9815 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9816 try { 9817 if (observer != null) { 9818 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9819 } 9820 } catch (RemoteException re) { 9821 } 9822 return; 9823 } 9824 9825 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9826 installFlags |= PackageManager.INSTALL_FROM_ADB; 9827 9828 } else { 9829 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9830 // about installerPackageName. 9831 9832 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9833 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9834 } 9835 9836 UserHandle user; 9837 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9838 user = UserHandle.ALL; 9839 } else { 9840 user = new UserHandle(userId); 9841 } 9842 9843 // Only system components can circumvent runtime permissions when installing. 9844 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9845 && mContext.checkCallingOrSelfPermission(Manifest.permission 9846 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9847 throw new SecurityException("You need the " 9848 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9849 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9850 } 9851 9852 verificationParams.setInstallerUid(callingUid); 9853 9854 final File originFile = new File(originPath); 9855 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9856 9857 final Message msg = mHandler.obtainMessage(INIT_COPY); 9858 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9859 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9860 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 9861 msg.obj = params; 9862 9863 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 9864 System.identityHashCode(msg.obj)); 9865 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9866 System.identityHashCode(msg.obj)); 9867 9868 mHandler.sendMessage(msg); 9869 } 9870 9871 void installStage(String packageName, File stagedDir, String stagedCid, 9872 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 9873 String installerPackageName, int installerUid, UserHandle user) { 9874 final VerificationParams verifParams = new VerificationParams( 9875 null, sessionParams.originatingUri, sessionParams.referrerUri, 9876 sessionParams.originatingUid, null); 9877 verifParams.setInstallerUid(installerUid); 9878 9879 final OriginInfo origin; 9880 if (stagedDir != null) { 9881 origin = OriginInfo.fromStagedFile(stagedDir); 9882 } else { 9883 origin = OriginInfo.fromStagedContainer(stagedCid); 9884 } 9885 9886 final Message msg = mHandler.obtainMessage(INIT_COPY); 9887 final InstallParams params = new InstallParams(origin, null, observer, 9888 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 9889 verifParams, user, sessionParams.abiOverride, 9890 sessionParams.grantedRuntimePermissions); 9891 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 9892 msg.obj = params; 9893 9894 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 9895 System.identityHashCode(msg.obj)); 9896 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9897 System.identityHashCode(msg.obj)); 9898 9899 mHandler.sendMessage(msg); 9900 } 9901 9902 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9903 Bundle extras = new Bundle(1); 9904 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9905 9906 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9907 packageName, extras, 0, null, null, new int[] {userId}); 9908 try { 9909 IActivityManager am = ActivityManagerNative.getDefault(); 9910 final boolean isSystem = 9911 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9912 if (isSystem && am.isUserRunning(userId, 0)) { 9913 // The just-installed/enabled app is bundled on the system, so presumed 9914 // to be able to run automatically without needing an explicit launch. 9915 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9916 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9917 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9918 .setPackage(packageName); 9919 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9920 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9921 } 9922 } catch (RemoteException e) { 9923 // shouldn't happen 9924 Slog.w(TAG, "Unable to bootstrap installed package", e); 9925 } 9926 } 9927 9928 @Override 9929 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9930 int userId) { 9931 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9932 PackageSetting pkgSetting; 9933 final int uid = Binder.getCallingUid(); 9934 enforceCrossUserPermission(uid, userId, true, true, 9935 "setApplicationHiddenSetting for user " + userId); 9936 9937 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9938 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9939 return false; 9940 } 9941 9942 long callingId = Binder.clearCallingIdentity(); 9943 try { 9944 boolean sendAdded = false; 9945 boolean sendRemoved = false; 9946 // writer 9947 synchronized (mPackages) { 9948 pkgSetting = mSettings.mPackages.get(packageName); 9949 if (pkgSetting == null) { 9950 return false; 9951 } 9952 if (pkgSetting.getHidden(userId) != hidden) { 9953 pkgSetting.setHidden(hidden, userId); 9954 mSettings.writePackageRestrictionsLPr(userId); 9955 if (hidden) { 9956 sendRemoved = true; 9957 } else { 9958 sendAdded = true; 9959 } 9960 } 9961 } 9962 if (sendAdded) { 9963 sendPackageAddedForUser(packageName, pkgSetting, userId); 9964 return true; 9965 } 9966 if (sendRemoved) { 9967 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9968 "hiding pkg"); 9969 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9970 return true; 9971 } 9972 } finally { 9973 Binder.restoreCallingIdentity(callingId); 9974 } 9975 return false; 9976 } 9977 9978 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9979 int userId) { 9980 final PackageRemovedInfo info = new PackageRemovedInfo(); 9981 info.removedPackage = packageName; 9982 info.removedUsers = new int[] {userId}; 9983 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9984 info.sendBroadcast(false, false, false); 9985 } 9986 9987 /** 9988 * Returns true if application is not found or there was an error. Otherwise it returns 9989 * the hidden state of the package for the given user. 9990 */ 9991 @Override 9992 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9993 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9994 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9995 false, "getApplicationHidden for user " + userId); 9996 PackageSetting pkgSetting; 9997 long callingId = Binder.clearCallingIdentity(); 9998 try { 9999 // writer 10000 synchronized (mPackages) { 10001 pkgSetting = mSettings.mPackages.get(packageName); 10002 if (pkgSetting == null) { 10003 return true; 10004 } 10005 return pkgSetting.getHidden(userId); 10006 } 10007 } finally { 10008 Binder.restoreCallingIdentity(callingId); 10009 } 10010 } 10011 10012 /** 10013 * @hide 10014 */ 10015 @Override 10016 public int installExistingPackageAsUser(String packageName, int userId) { 10017 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10018 null); 10019 PackageSetting pkgSetting; 10020 final int uid = Binder.getCallingUid(); 10021 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10022 + userId); 10023 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10024 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10025 } 10026 10027 long callingId = Binder.clearCallingIdentity(); 10028 try { 10029 boolean sendAdded = false; 10030 10031 // writer 10032 synchronized (mPackages) { 10033 pkgSetting = mSettings.mPackages.get(packageName); 10034 if (pkgSetting == null) { 10035 return PackageManager.INSTALL_FAILED_INVALID_URI; 10036 } 10037 if (!pkgSetting.getInstalled(userId)) { 10038 pkgSetting.setInstalled(true, userId); 10039 pkgSetting.setHidden(false, userId); 10040 mSettings.writePackageRestrictionsLPr(userId); 10041 sendAdded = true; 10042 } 10043 } 10044 10045 if (sendAdded) { 10046 sendPackageAddedForUser(packageName, pkgSetting, userId); 10047 } 10048 } finally { 10049 Binder.restoreCallingIdentity(callingId); 10050 } 10051 10052 return PackageManager.INSTALL_SUCCEEDED; 10053 } 10054 10055 boolean isUserRestricted(int userId, String restrictionKey) { 10056 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10057 if (restrictions.getBoolean(restrictionKey, false)) { 10058 Log.w(TAG, "User is restricted: " + restrictionKey); 10059 return true; 10060 } 10061 return false; 10062 } 10063 10064 @Override 10065 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10066 mContext.enforceCallingOrSelfPermission( 10067 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10068 "Only package verification agents can verify applications"); 10069 10070 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10071 final PackageVerificationResponse response = new PackageVerificationResponse( 10072 verificationCode, Binder.getCallingUid()); 10073 msg.arg1 = id; 10074 msg.obj = response; 10075 mHandler.sendMessage(msg); 10076 } 10077 10078 @Override 10079 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10080 long millisecondsToDelay) { 10081 mContext.enforceCallingOrSelfPermission( 10082 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10083 "Only package verification agents can extend verification timeouts"); 10084 10085 final PackageVerificationState state = mPendingVerification.get(id); 10086 final PackageVerificationResponse response = new PackageVerificationResponse( 10087 verificationCodeAtTimeout, Binder.getCallingUid()); 10088 10089 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10090 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10091 } 10092 if (millisecondsToDelay < 0) { 10093 millisecondsToDelay = 0; 10094 } 10095 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10096 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10097 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10098 } 10099 10100 if ((state != null) && !state.timeoutExtended()) { 10101 state.extendTimeout(); 10102 10103 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10104 msg.arg1 = id; 10105 msg.obj = response; 10106 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10107 } 10108 } 10109 10110 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10111 int verificationCode, UserHandle user) { 10112 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10113 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10114 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10115 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10116 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10117 10118 mContext.sendBroadcastAsUser(intent, user, 10119 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10120 } 10121 10122 private ComponentName matchComponentForVerifier(String packageName, 10123 List<ResolveInfo> receivers) { 10124 ActivityInfo targetReceiver = null; 10125 10126 final int NR = receivers.size(); 10127 for (int i = 0; i < NR; i++) { 10128 final ResolveInfo info = receivers.get(i); 10129 if (info.activityInfo == null) { 10130 continue; 10131 } 10132 10133 if (packageName.equals(info.activityInfo.packageName)) { 10134 targetReceiver = info.activityInfo; 10135 break; 10136 } 10137 } 10138 10139 if (targetReceiver == null) { 10140 return null; 10141 } 10142 10143 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10144 } 10145 10146 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10147 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10148 if (pkgInfo.verifiers.length == 0) { 10149 return null; 10150 } 10151 10152 final int N = pkgInfo.verifiers.length; 10153 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10154 for (int i = 0; i < N; i++) { 10155 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10156 10157 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10158 receivers); 10159 if (comp == null) { 10160 continue; 10161 } 10162 10163 final int verifierUid = getUidForVerifier(verifierInfo); 10164 if (verifierUid == -1) { 10165 continue; 10166 } 10167 10168 if (DEBUG_VERIFY) { 10169 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10170 + " with the correct signature"); 10171 } 10172 sufficientVerifiers.add(comp); 10173 verificationState.addSufficientVerifier(verifierUid); 10174 } 10175 10176 return sufficientVerifiers; 10177 } 10178 10179 private int getUidForVerifier(VerifierInfo verifierInfo) { 10180 synchronized (mPackages) { 10181 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10182 if (pkg == null) { 10183 return -1; 10184 } else if (pkg.mSignatures.length != 1) { 10185 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10186 + " has more than one signature; ignoring"); 10187 return -1; 10188 } 10189 10190 /* 10191 * If the public key of the package's signature does not match 10192 * our expected public key, then this is a different package and 10193 * we should skip. 10194 */ 10195 10196 final byte[] expectedPublicKey; 10197 try { 10198 final Signature verifierSig = pkg.mSignatures[0]; 10199 final PublicKey publicKey = verifierSig.getPublicKey(); 10200 expectedPublicKey = publicKey.getEncoded(); 10201 } catch (CertificateException e) { 10202 return -1; 10203 } 10204 10205 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10206 10207 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10208 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10209 + " does not have the expected public key; ignoring"); 10210 return -1; 10211 } 10212 10213 return pkg.applicationInfo.uid; 10214 } 10215 } 10216 10217 @Override 10218 public void finishPackageInstall(int token) { 10219 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10220 10221 if (DEBUG_INSTALL) { 10222 Slog.v(TAG, "BM finishing package install for " + token); 10223 } 10224 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10225 10226 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10227 mHandler.sendMessage(msg); 10228 } 10229 10230 /** 10231 * Get the verification agent timeout. 10232 * 10233 * @return verification timeout in milliseconds 10234 */ 10235 private long getVerificationTimeout() { 10236 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10237 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10238 DEFAULT_VERIFICATION_TIMEOUT); 10239 } 10240 10241 /** 10242 * Get the default verification agent response code. 10243 * 10244 * @return default verification response code 10245 */ 10246 private int getDefaultVerificationResponse() { 10247 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10248 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10249 DEFAULT_VERIFICATION_RESPONSE); 10250 } 10251 10252 /** 10253 * Check whether or not package verification has been enabled. 10254 * 10255 * @return true if verification should be performed 10256 */ 10257 private boolean isVerificationEnabled(int userId, int installFlags) { 10258 if (!DEFAULT_VERIFY_ENABLE) { 10259 return false; 10260 } 10261 // TODO: fix b/25118622; don't bypass verification 10262 if (Build.IS_DEBUGGABLE && (installFlags & PackageManager.INSTALL_QUICK) != 0) { 10263 return false; 10264 } 10265 10266 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10267 10268 // Check if installing from ADB 10269 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10270 // Do not run verification in a test harness environment 10271 if (ActivityManager.isRunningInTestHarness()) { 10272 return false; 10273 } 10274 if (ensureVerifyAppsEnabled) { 10275 return true; 10276 } 10277 // Check if the developer does not want package verification for ADB installs 10278 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10279 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10280 return false; 10281 } 10282 } 10283 10284 if (ensureVerifyAppsEnabled) { 10285 return true; 10286 } 10287 10288 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10289 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10290 } 10291 10292 @Override 10293 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10294 throws RemoteException { 10295 mContext.enforceCallingOrSelfPermission( 10296 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10297 "Only intentfilter verification agents can verify applications"); 10298 10299 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10300 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10301 Binder.getCallingUid(), verificationCode, failedDomains); 10302 msg.arg1 = id; 10303 msg.obj = response; 10304 mHandler.sendMessage(msg); 10305 } 10306 10307 @Override 10308 public int getIntentVerificationStatus(String packageName, int userId) { 10309 synchronized (mPackages) { 10310 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10311 } 10312 } 10313 10314 @Override 10315 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10316 mContext.enforceCallingOrSelfPermission( 10317 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10318 10319 boolean result = false; 10320 synchronized (mPackages) { 10321 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10322 } 10323 if (result) { 10324 scheduleWritePackageRestrictionsLocked(userId); 10325 } 10326 return result; 10327 } 10328 10329 @Override 10330 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10331 synchronized (mPackages) { 10332 return mSettings.getIntentFilterVerificationsLPr(packageName); 10333 } 10334 } 10335 10336 @Override 10337 public List<IntentFilter> getAllIntentFilters(String packageName) { 10338 if (TextUtils.isEmpty(packageName)) { 10339 return Collections.<IntentFilter>emptyList(); 10340 } 10341 synchronized (mPackages) { 10342 PackageParser.Package pkg = mPackages.get(packageName); 10343 if (pkg == null || pkg.activities == null) { 10344 return Collections.<IntentFilter>emptyList(); 10345 } 10346 final int count = pkg.activities.size(); 10347 ArrayList<IntentFilter> result = new ArrayList<>(); 10348 for (int n=0; n<count; n++) { 10349 PackageParser.Activity activity = pkg.activities.get(n); 10350 if (activity.intents != null || activity.intents.size() > 0) { 10351 result.addAll(activity.intents); 10352 } 10353 } 10354 return result; 10355 } 10356 } 10357 10358 @Override 10359 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10360 mContext.enforceCallingOrSelfPermission( 10361 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10362 10363 synchronized (mPackages) { 10364 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10365 if (packageName != null) { 10366 result |= updateIntentVerificationStatus(packageName, 10367 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10368 userId); 10369 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10370 packageName, userId); 10371 } 10372 return result; 10373 } 10374 } 10375 10376 @Override 10377 public String getDefaultBrowserPackageName(int userId) { 10378 synchronized (mPackages) { 10379 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10380 } 10381 } 10382 10383 /** 10384 * Get the "allow unknown sources" setting. 10385 * 10386 * @return the current "allow unknown sources" setting 10387 */ 10388 private int getUnknownSourcesSettings() { 10389 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10390 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10391 -1); 10392 } 10393 10394 @Override 10395 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10396 final int uid = Binder.getCallingUid(); 10397 // writer 10398 synchronized (mPackages) { 10399 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10400 if (targetPackageSetting == null) { 10401 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10402 } 10403 10404 PackageSetting installerPackageSetting; 10405 if (installerPackageName != null) { 10406 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10407 if (installerPackageSetting == null) { 10408 throw new IllegalArgumentException("Unknown installer package: " 10409 + installerPackageName); 10410 } 10411 } else { 10412 installerPackageSetting = null; 10413 } 10414 10415 Signature[] callerSignature; 10416 Object obj = mSettings.getUserIdLPr(uid); 10417 if (obj != null) { 10418 if (obj instanceof SharedUserSetting) { 10419 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10420 } else if (obj instanceof PackageSetting) { 10421 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10422 } else { 10423 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10424 } 10425 } else { 10426 throw new SecurityException("Unknown calling uid " + uid); 10427 } 10428 10429 // Verify: can't set installerPackageName to a package that is 10430 // not signed with the same cert as the caller. 10431 if (installerPackageSetting != null) { 10432 if (compareSignatures(callerSignature, 10433 installerPackageSetting.signatures.mSignatures) 10434 != PackageManager.SIGNATURE_MATCH) { 10435 throw new SecurityException( 10436 "Caller does not have same cert as new installer package " 10437 + installerPackageName); 10438 } 10439 } 10440 10441 // Verify: if target already has an installer package, it must 10442 // be signed with the same cert as the caller. 10443 if (targetPackageSetting.installerPackageName != null) { 10444 PackageSetting setting = mSettings.mPackages.get( 10445 targetPackageSetting.installerPackageName); 10446 // If the currently set package isn't valid, then it's always 10447 // okay to change it. 10448 if (setting != null) { 10449 if (compareSignatures(callerSignature, 10450 setting.signatures.mSignatures) 10451 != PackageManager.SIGNATURE_MATCH) { 10452 throw new SecurityException( 10453 "Caller does not have same cert as old installer package " 10454 + targetPackageSetting.installerPackageName); 10455 } 10456 } 10457 } 10458 10459 // Okay! 10460 targetPackageSetting.installerPackageName = installerPackageName; 10461 scheduleWriteSettingsLocked(); 10462 } 10463 } 10464 10465 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10466 // Queue up an async operation since the package installation may take a little while. 10467 mHandler.post(new Runnable() { 10468 public void run() { 10469 mHandler.removeCallbacks(this); 10470 // Result object to be returned 10471 PackageInstalledInfo res = new PackageInstalledInfo(); 10472 res.returnCode = currentStatus; 10473 res.uid = -1; 10474 res.pkg = null; 10475 res.removedInfo = new PackageRemovedInfo(); 10476 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10477 args.doPreInstall(res.returnCode); 10478 synchronized (mInstallLock) { 10479 installPackageTracedLI(args, res); 10480 } 10481 args.doPostInstall(res.returnCode, res.uid); 10482 } 10483 10484 // A restore should be performed at this point if (a) the install 10485 // succeeded, (b) the operation is not an update, and (c) the new 10486 // package has not opted out of backup participation. 10487 final boolean update = res.removedInfo.removedPackage != null; 10488 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10489 boolean doRestore = !update 10490 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10491 10492 // Set up the post-install work request bookkeeping. This will be used 10493 // and cleaned up by the post-install event handling regardless of whether 10494 // there's a restore pass performed. Token values are >= 1. 10495 int token; 10496 if (mNextInstallToken < 0) mNextInstallToken = 1; 10497 token = mNextInstallToken++; 10498 10499 PostInstallData data = new PostInstallData(args, res); 10500 mRunningInstalls.put(token, data); 10501 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10502 10503 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10504 // Pass responsibility to the Backup Manager. It will perform a 10505 // restore if appropriate, then pass responsibility back to the 10506 // Package Manager to run the post-install observer callbacks 10507 // and broadcasts. 10508 IBackupManager bm = IBackupManager.Stub.asInterface( 10509 ServiceManager.getService(Context.BACKUP_SERVICE)); 10510 if (bm != null) { 10511 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10512 + " to BM for possible restore"); 10513 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10514 try { 10515 // TODO: http://b/22388012 10516 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10517 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10518 } else { 10519 doRestore = false; 10520 } 10521 } catch (RemoteException e) { 10522 // can't happen; the backup manager is local 10523 } catch (Exception e) { 10524 Slog.e(TAG, "Exception trying to enqueue restore", e); 10525 doRestore = false; 10526 } 10527 } else { 10528 Slog.e(TAG, "Backup Manager not found!"); 10529 doRestore = false; 10530 } 10531 } 10532 10533 if (!doRestore) { 10534 // No restore possible, or the Backup Manager was mysteriously not 10535 // available -- just fire the post-install work request directly. 10536 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10537 10538 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10539 10540 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10541 mHandler.sendMessage(msg); 10542 } 10543 } 10544 }); 10545 } 10546 10547 private abstract class HandlerParams { 10548 private static final int MAX_RETRIES = 4; 10549 10550 /** 10551 * Number of times startCopy() has been attempted and had a non-fatal 10552 * error. 10553 */ 10554 private int mRetries = 0; 10555 10556 /** User handle for the user requesting the information or installation. */ 10557 private final UserHandle mUser; 10558 String traceMethod; 10559 int traceCookie; 10560 10561 HandlerParams(UserHandle user) { 10562 mUser = user; 10563 } 10564 10565 UserHandle getUser() { 10566 return mUser; 10567 } 10568 10569 HandlerParams setTraceMethod(String traceMethod) { 10570 this.traceMethod = traceMethod; 10571 return this; 10572 } 10573 10574 HandlerParams setTraceCookie(int traceCookie) { 10575 this.traceCookie = traceCookie; 10576 return this; 10577 } 10578 10579 final boolean startCopy() { 10580 boolean res; 10581 try { 10582 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10583 10584 if (++mRetries > MAX_RETRIES) { 10585 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10586 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10587 handleServiceError(); 10588 return false; 10589 } else { 10590 handleStartCopy(); 10591 res = true; 10592 } 10593 } catch (RemoteException e) { 10594 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10595 mHandler.sendEmptyMessage(MCS_RECONNECT); 10596 res = false; 10597 } 10598 handleReturnCode(); 10599 return res; 10600 } 10601 10602 final void serviceError() { 10603 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10604 handleServiceError(); 10605 handleReturnCode(); 10606 } 10607 10608 abstract void handleStartCopy() throws RemoteException; 10609 abstract void handleServiceError(); 10610 abstract void handleReturnCode(); 10611 } 10612 10613 class MeasureParams extends HandlerParams { 10614 private final PackageStats mStats; 10615 private boolean mSuccess; 10616 10617 private final IPackageStatsObserver mObserver; 10618 10619 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10620 super(new UserHandle(stats.userHandle)); 10621 mObserver = observer; 10622 mStats = stats; 10623 } 10624 10625 @Override 10626 public String toString() { 10627 return "MeasureParams{" 10628 + Integer.toHexString(System.identityHashCode(this)) 10629 + " " + mStats.packageName + "}"; 10630 } 10631 10632 @Override 10633 void handleStartCopy() throws RemoteException { 10634 synchronized (mInstallLock) { 10635 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10636 } 10637 10638 if (mSuccess) { 10639 final boolean mounted; 10640 if (Environment.isExternalStorageEmulated()) { 10641 mounted = true; 10642 } else { 10643 final String status = Environment.getExternalStorageState(); 10644 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10645 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10646 } 10647 10648 if (mounted) { 10649 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10650 10651 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10652 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10653 10654 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10655 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10656 10657 // Always subtract cache size, since it's a subdirectory 10658 mStats.externalDataSize -= mStats.externalCacheSize; 10659 10660 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10661 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10662 10663 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10664 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10665 } 10666 } 10667 } 10668 10669 @Override 10670 void handleReturnCode() { 10671 if (mObserver != null) { 10672 try { 10673 mObserver.onGetStatsCompleted(mStats, mSuccess); 10674 } catch (RemoteException e) { 10675 Slog.i(TAG, "Observer no longer exists."); 10676 } 10677 } 10678 } 10679 10680 @Override 10681 void handleServiceError() { 10682 Slog.e(TAG, "Could not measure application " + mStats.packageName 10683 + " external storage"); 10684 } 10685 } 10686 10687 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10688 throws RemoteException { 10689 long result = 0; 10690 for (File path : paths) { 10691 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10692 } 10693 return result; 10694 } 10695 10696 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10697 for (File path : paths) { 10698 try { 10699 mcs.clearDirectory(path.getAbsolutePath()); 10700 } catch (RemoteException e) { 10701 } 10702 } 10703 } 10704 10705 static class OriginInfo { 10706 /** 10707 * Location where install is coming from, before it has been 10708 * copied/renamed into place. This could be a single monolithic APK 10709 * file, or a cluster directory. This location may be untrusted. 10710 */ 10711 final File file; 10712 final String cid; 10713 10714 /** 10715 * Flag indicating that {@link #file} or {@link #cid} has already been 10716 * staged, meaning downstream users don't need to defensively copy the 10717 * contents. 10718 */ 10719 final boolean staged; 10720 10721 /** 10722 * Flag indicating that {@link #file} or {@link #cid} is an already 10723 * installed app that is being moved. 10724 */ 10725 final boolean existing; 10726 10727 final String resolvedPath; 10728 final File resolvedFile; 10729 10730 static OriginInfo fromNothing() { 10731 return new OriginInfo(null, null, false, false); 10732 } 10733 10734 static OriginInfo fromUntrustedFile(File file) { 10735 return new OriginInfo(file, null, false, false); 10736 } 10737 10738 static OriginInfo fromExistingFile(File file) { 10739 return new OriginInfo(file, null, false, true); 10740 } 10741 10742 static OriginInfo fromStagedFile(File file) { 10743 return new OriginInfo(file, null, true, false); 10744 } 10745 10746 static OriginInfo fromStagedContainer(String cid) { 10747 return new OriginInfo(null, cid, true, false); 10748 } 10749 10750 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10751 this.file = file; 10752 this.cid = cid; 10753 this.staged = staged; 10754 this.existing = existing; 10755 10756 if (cid != null) { 10757 resolvedPath = PackageHelper.getSdDir(cid); 10758 resolvedFile = new File(resolvedPath); 10759 } else if (file != null) { 10760 resolvedPath = file.getAbsolutePath(); 10761 resolvedFile = file; 10762 } else { 10763 resolvedPath = null; 10764 resolvedFile = null; 10765 } 10766 } 10767 } 10768 10769 class MoveInfo { 10770 final int moveId; 10771 final String fromUuid; 10772 final String toUuid; 10773 final String packageName; 10774 final String dataAppName; 10775 final int appId; 10776 final String seinfo; 10777 10778 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10779 String dataAppName, int appId, String seinfo) { 10780 this.moveId = moveId; 10781 this.fromUuid = fromUuid; 10782 this.toUuid = toUuid; 10783 this.packageName = packageName; 10784 this.dataAppName = dataAppName; 10785 this.appId = appId; 10786 this.seinfo = seinfo; 10787 } 10788 } 10789 10790 class InstallParams extends HandlerParams { 10791 final OriginInfo origin; 10792 final MoveInfo move; 10793 final IPackageInstallObserver2 observer; 10794 int installFlags; 10795 final String installerPackageName; 10796 final String volumeUuid; 10797 final VerificationParams verificationParams; 10798 private InstallArgs mArgs; 10799 private int mRet; 10800 final String packageAbiOverride; 10801 final String[] grantedRuntimePermissions; 10802 10803 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10804 int installFlags, String installerPackageName, String volumeUuid, 10805 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10806 String[] grantedPermissions) { 10807 super(user); 10808 this.origin = origin; 10809 this.move = move; 10810 this.observer = observer; 10811 this.installFlags = installFlags; 10812 this.installerPackageName = installerPackageName; 10813 this.volumeUuid = volumeUuid; 10814 this.verificationParams = verificationParams; 10815 this.packageAbiOverride = packageAbiOverride; 10816 this.grantedRuntimePermissions = grantedPermissions; 10817 } 10818 10819 @Override 10820 public String toString() { 10821 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10822 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10823 } 10824 10825 public ManifestDigest getManifestDigest() { 10826 if (verificationParams == null) { 10827 return null; 10828 } 10829 return verificationParams.getManifestDigest(); 10830 } 10831 10832 private int installLocationPolicy(PackageInfoLite pkgLite) { 10833 String packageName = pkgLite.packageName; 10834 int installLocation = pkgLite.installLocation; 10835 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10836 // reader 10837 synchronized (mPackages) { 10838 PackageParser.Package pkg = mPackages.get(packageName); 10839 if (pkg != null) { 10840 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10841 // Check for downgrading. 10842 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10843 try { 10844 checkDowngrade(pkg, pkgLite); 10845 } catch (PackageManagerException e) { 10846 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10847 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10848 } 10849 } 10850 // Check for updated system application. 10851 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10852 if (onSd) { 10853 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10854 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10855 } 10856 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10857 } else { 10858 if (onSd) { 10859 // Install flag overrides everything. 10860 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10861 } 10862 // If current upgrade specifies particular preference 10863 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10864 // Application explicitly specified internal. 10865 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10866 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10867 // App explictly prefers external. Let policy decide 10868 } else { 10869 // Prefer previous location 10870 if (isExternal(pkg)) { 10871 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10872 } 10873 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10874 } 10875 } 10876 } else { 10877 // Invalid install. Return error code 10878 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10879 } 10880 } 10881 } 10882 // All the special cases have been taken care of. 10883 // Return result based on recommended install location. 10884 if (onSd) { 10885 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10886 } 10887 return pkgLite.recommendedInstallLocation; 10888 } 10889 10890 /* 10891 * Invoke remote method to get package information and install 10892 * location values. Override install location based on default 10893 * policy if needed and then create install arguments based 10894 * on the install location. 10895 */ 10896 public void handleStartCopy() throws RemoteException { 10897 int ret = PackageManager.INSTALL_SUCCEEDED; 10898 10899 // If we're already staged, we've firmly committed to an install location 10900 if (origin.staged) { 10901 if (origin.file != null) { 10902 installFlags |= PackageManager.INSTALL_INTERNAL; 10903 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10904 } else if (origin.cid != null) { 10905 installFlags |= PackageManager.INSTALL_EXTERNAL; 10906 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10907 } else { 10908 throw new IllegalStateException("Invalid stage location"); 10909 } 10910 } 10911 10912 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10913 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10914 PackageInfoLite pkgLite = null; 10915 10916 if (onInt && onSd) { 10917 // Check if both bits are set. 10918 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10919 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10920 } else { 10921 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10922 packageAbiOverride); 10923 10924 /* 10925 * If we have too little free space, try to free cache 10926 * before giving up. 10927 */ 10928 if (!origin.staged && pkgLite.recommendedInstallLocation 10929 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10930 // TODO: focus freeing disk space on the target device 10931 final StorageManager storage = StorageManager.from(mContext); 10932 final long lowThreshold = storage.getStorageLowBytes( 10933 Environment.getDataDirectory()); 10934 10935 final long sizeBytes = mContainerService.calculateInstalledSize( 10936 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10937 10938 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10939 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10940 installFlags, packageAbiOverride); 10941 } 10942 10943 /* 10944 * The cache free must have deleted the file we 10945 * downloaded to install. 10946 * 10947 * TODO: fix the "freeCache" call to not delete 10948 * the file we care about. 10949 */ 10950 if (pkgLite.recommendedInstallLocation 10951 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10952 pkgLite.recommendedInstallLocation 10953 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10954 } 10955 } 10956 } 10957 10958 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10959 int loc = pkgLite.recommendedInstallLocation; 10960 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10961 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10962 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10963 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10964 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10965 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10966 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10967 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10968 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10969 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10970 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10971 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10972 } else { 10973 // Override with defaults if needed. 10974 loc = installLocationPolicy(pkgLite); 10975 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10976 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10977 } else if (!onSd && !onInt) { 10978 // Override install location with flags 10979 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10980 // Set the flag to install on external media. 10981 installFlags |= PackageManager.INSTALL_EXTERNAL; 10982 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10983 } else { 10984 // Make sure the flag for installing on external 10985 // media is unset 10986 installFlags |= PackageManager.INSTALL_INTERNAL; 10987 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10988 } 10989 } 10990 } 10991 } 10992 10993 final InstallArgs args = createInstallArgs(this); 10994 mArgs = args; 10995 10996 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10997 // TODO: http://b/22976637 10998 // Apps installed for "all" users use the device owner to verify the app 10999 UserHandle verifierUser = getUser(); 11000 if (verifierUser == UserHandle.ALL) { 11001 verifierUser = UserHandle.SYSTEM; 11002 } 11003 11004 /* 11005 * Determine if we have any installed package verifiers. If we 11006 * do, then we'll defer to them to verify the packages. 11007 */ 11008 final int requiredUid = mRequiredVerifierPackage == null ? -1 11009 : getPackageUid(mRequiredVerifierPackage, verifierUser.getIdentifier()); 11010 if (!origin.existing && requiredUid != -1 11011 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11012 final Intent verification = new Intent( 11013 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11014 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11015 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11016 PACKAGE_MIME_TYPE); 11017 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11018 11019 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11020 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 11021 verifierUser.getIdentifier()); 11022 11023 if (DEBUG_VERIFY) { 11024 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11025 + verification.toString() + " with " + pkgLite.verifiers.length 11026 + " optional verifiers"); 11027 } 11028 11029 final int verificationId = mPendingVerificationToken++; 11030 11031 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11032 11033 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11034 installerPackageName); 11035 11036 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11037 installFlags); 11038 11039 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11040 pkgLite.packageName); 11041 11042 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11043 pkgLite.versionCode); 11044 11045 if (verificationParams != null) { 11046 if (verificationParams.getVerificationURI() != null) { 11047 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11048 verificationParams.getVerificationURI()); 11049 } 11050 if (verificationParams.getOriginatingURI() != null) { 11051 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11052 verificationParams.getOriginatingURI()); 11053 } 11054 if (verificationParams.getReferrer() != null) { 11055 verification.putExtra(Intent.EXTRA_REFERRER, 11056 verificationParams.getReferrer()); 11057 } 11058 if (verificationParams.getOriginatingUid() >= 0) { 11059 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11060 verificationParams.getOriginatingUid()); 11061 } 11062 if (verificationParams.getInstallerUid() >= 0) { 11063 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11064 verificationParams.getInstallerUid()); 11065 } 11066 } 11067 11068 final PackageVerificationState verificationState = new PackageVerificationState( 11069 requiredUid, args); 11070 11071 mPendingVerification.append(verificationId, verificationState); 11072 11073 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11074 receivers, verificationState); 11075 11076 /* 11077 * If any sufficient verifiers were listed in the package 11078 * manifest, attempt to ask them. 11079 */ 11080 if (sufficientVerifiers != null) { 11081 final int N = sufficientVerifiers.size(); 11082 if (N == 0) { 11083 Slog.i(TAG, "Additional verifiers required, but none installed."); 11084 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11085 } else { 11086 for (int i = 0; i < N; i++) { 11087 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11088 11089 final Intent sufficientIntent = new Intent(verification); 11090 sufficientIntent.setComponent(verifierComponent); 11091 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11092 } 11093 } 11094 } 11095 11096 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11097 mRequiredVerifierPackage, receivers); 11098 if (ret == PackageManager.INSTALL_SUCCEEDED 11099 && mRequiredVerifierPackage != null) { 11100 Trace.asyncTraceBegin( 11101 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11102 /* 11103 * Send the intent to the required verification agent, 11104 * but only start the verification timeout after the 11105 * target BroadcastReceivers have run. 11106 */ 11107 verification.setComponent(requiredVerifierComponent); 11108 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11109 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11110 new BroadcastReceiver() { 11111 @Override 11112 public void onReceive(Context context, Intent intent) { 11113 final Message msg = mHandler 11114 .obtainMessage(CHECK_PENDING_VERIFICATION); 11115 msg.arg1 = verificationId; 11116 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11117 } 11118 }, null, 0, null, null); 11119 11120 /* 11121 * We don't want the copy to proceed until verification 11122 * succeeds, so null out this field. 11123 */ 11124 mArgs = null; 11125 } 11126 } else { 11127 /* 11128 * No package verification is enabled, so immediately start 11129 * the remote call to initiate copy using temporary file. 11130 */ 11131 ret = args.copyApk(mContainerService, true); 11132 } 11133 } 11134 11135 mRet = ret; 11136 } 11137 11138 @Override 11139 void handleReturnCode() { 11140 // If mArgs is null, then MCS couldn't be reached. When it 11141 // reconnects, it will try again to install. At that point, this 11142 // will succeed. 11143 if (mArgs != null) { 11144 processPendingInstall(mArgs, mRet); 11145 } 11146 } 11147 11148 @Override 11149 void handleServiceError() { 11150 mArgs = createInstallArgs(this); 11151 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11152 } 11153 11154 public boolean isForwardLocked() { 11155 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11156 } 11157 } 11158 11159 /** 11160 * Used during creation of InstallArgs 11161 * 11162 * @param installFlags package installation flags 11163 * @return true if should be installed on external storage 11164 */ 11165 private static boolean installOnExternalAsec(int installFlags) { 11166 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11167 return false; 11168 } 11169 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11170 return true; 11171 } 11172 return false; 11173 } 11174 11175 /** 11176 * Used during creation of InstallArgs 11177 * 11178 * @param installFlags package installation flags 11179 * @return true if should be installed as forward locked 11180 */ 11181 private static boolean installForwardLocked(int installFlags) { 11182 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11183 } 11184 11185 private InstallArgs createInstallArgs(InstallParams params) { 11186 if (params.move != null) { 11187 return new MoveInstallArgs(params); 11188 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11189 return new AsecInstallArgs(params); 11190 } else { 11191 return new FileInstallArgs(params); 11192 } 11193 } 11194 11195 /** 11196 * Create args that describe an existing installed package. Typically used 11197 * when cleaning up old installs, or used as a move source. 11198 */ 11199 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11200 String resourcePath, String[] instructionSets) { 11201 final boolean isInAsec; 11202 if (installOnExternalAsec(installFlags)) { 11203 /* Apps on SD card are always in ASEC containers. */ 11204 isInAsec = true; 11205 } else if (installForwardLocked(installFlags) 11206 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11207 /* 11208 * Forward-locked apps are only in ASEC containers if they're the 11209 * new style 11210 */ 11211 isInAsec = true; 11212 } else { 11213 isInAsec = false; 11214 } 11215 11216 if (isInAsec) { 11217 return new AsecInstallArgs(codePath, instructionSets, 11218 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11219 } else { 11220 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11221 } 11222 } 11223 11224 static abstract class InstallArgs { 11225 /** @see InstallParams#origin */ 11226 final OriginInfo origin; 11227 /** @see InstallParams#move */ 11228 final MoveInfo move; 11229 11230 final IPackageInstallObserver2 observer; 11231 // Always refers to PackageManager flags only 11232 final int installFlags; 11233 final String installerPackageName; 11234 final String volumeUuid; 11235 final ManifestDigest manifestDigest; 11236 final UserHandle user; 11237 final String abiOverride; 11238 final String[] installGrantPermissions; 11239 /** If non-null, drop an async trace when the install completes */ 11240 final String traceMethod; 11241 final int traceCookie; 11242 11243 // The list of instruction sets supported by this app. This is currently 11244 // only used during the rmdex() phase to clean up resources. We can get rid of this 11245 // if we move dex files under the common app path. 11246 /* nullable */ String[] instructionSets; 11247 11248 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11249 int installFlags, String installerPackageName, String volumeUuid, 11250 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 11251 String abiOverride, String[] installGrantPermissions, 11252 String traceMethod, int traceCookie) { 11253 this.origin = origin; 11254 this.move = move; 11255 this.installFlags = installFlags; 11256 this.observer = observer; 11257 this.installerPackageName = installerPackageName; 11258 this.volumeUuid = volumeUuid; 11259 this.manifestDigest = manifestDigest; 11260 this.user = user; 11261 this.instructionSets = instructionSets; 11262 this.abiOverride = abiOverride; 11263 this.installGrantPermissions = installGrantPermissions; 11264 this.traceMethod = traceMethod; 11265 this.traceCookie = traceCookie; 11266 } 11267 11268 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11269 abstract int doPreInstall(int status); 11270 11271 /** 11272 * Rename package into final resting place. All paths on the given 11273 * scanned package should be updated to reflect the rename. 11274 */ 11275 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11276 abstract int doPostInstall(int status, int uid); 11277 11278 /** @see PackageSettingBase#codePathString */ 11279 abstract String getCodePath(); 11280 /** @see PackageSettingBase#resourcePathString */ 11281 abstract String getResourcePath(); 11282 11283 // Need installer lock especially for dex file removal. 11284 abstract void cleanUpResourcesLI(); 11285 abstract boolean doPostDeleteLI(boolean delete); 11286 11287 /** 11288 * Called before the source arguments are copied. This is used mostly 11289 * for MoveParams when it needs to read the source file to put it in the 11290 * destination. 11291 */ 11292 int doPreCopy() { 11293 return PackageManager.INSTALL_SUCCEEDED; 11294 } 11295 11296 /** 11297 * Called after the source arguments are copied. This is used mostly for 11298 * MoveParams when it needs to read the source file to put it in the 11299 * destination. 11300 * 11301 * @return 11302 */ 11303 int doPostCopy(int uid) { 11304 return PackageManager.INSTALL_SUCCEEDED; 11305 } 11306 11307 protected boolean isFwdLocked() { 11308 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11309 } 11310 11311 protected boolean isExternalAsec() { 11312 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11313 } 11314 11315 UserHandle getUser() { 11316 return user; 11317 } 11318 } 11319 11320 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11321 if (!allCodePaths.isEmpty()) { 11322 if (instructionSets == null) { 11323 throw new IllegalStateException("instructionSet == null"); 11324 } 11325 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11326 for (String codePath : allCodePaths) { 11327 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11328 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11329 if (retCode < 0) { 11330 Slog.w(TAG, "Couldn't remove dex file for package: " 11331 + " at location " + codePath + ", retcode=" + retCode); 11332 // we don't consider this to be a failure of the core package deletion 11333 } 11334 } 11335 } 11336 } 11337 } 11338 11339 /** 11340 * Logic to handle installation of non-ASEC applications, including copying 11341 * and renaming logic. 11342 */ 11343 class FileInstallArgs extends InstallArgs { 11344 private File codeFile; 11345 private File resourceFile; 11346 11347 // Example topology: 11348 // /data/app/com.example/base.apk 11349 // /data/app/com.example/split_foo.apk 11350 // /data/app/com.example/lib/arm/libfoo.so 11351 // /data/app/com.example/lib/arm64/libfoo.so 11352 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11353 11354 /** New install */ 11355 FileInstallArgs(InstallParams params) { 11356 super(params.origin, params.move, params.observer, params.installFlags, 11357 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11358 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11359 params.grantedRuntimePermissions, 11360 params.traceMethod, params.traceCookie); 11361 if (isFwdLocked()) { 11362 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11363 } 11364 } 11365 11366 /** Existing install */ 11367 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11368 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11369 null, null, null, 0); 11370 this.codeFile = (codePath != null) ? new File(codePath) : null; 11371 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11372 } 11373 11374 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11375 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11376 try { 11377 return doCopyApk(imcs, temp); 11378 } finally { 11379 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11380 } 11381 } 11382 11383 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11384 if (origin.staged) { 11385 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11386 codeFile = origin.file; 11387 resourceFile = origin.file; 11388 return PackageManager.INSTALL_SUCCEEDED; 11389 } 11390 11391 try { 11392 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11393 codeFile = tempDir; 11394 resourceFile = tempDir; 11395 } catch (IOException e) { 11396 Slog.w(TAG, "Failed to create copy file: " + e); 11397 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11398 } 11399 11400 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11401 @Override 11402 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11403 if (!FileUtils.isValidExtFilename(name)) { 11404 throw new IllegalArgumentException("Invalid filename: " + name); 11405 } 11406 try { 11407 final File file = new File(codeFile, name); 11408 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11409 O_RDWR | O_CREAT, 0644); 11410 Os.chmod(file.getAbsolutePath(), 0644); 11411 return new ParcelFileDescriptor(fd); 11412 } catch (ErrnoException e) { 11413 throw new RemoteException("Failed to open: " + e.getMessage()); 11414 } 11415 } 11416 }; 11417 11418 int ret = PackageManager.INSTALL_SUCCEEDED; 11419 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11420 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11421 Slog.e(TAG, "Failed to copy package"); 11422 return ret; 11423 } 11424 11425 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11426 NativeLibraryHelper.Handle handle = null; 11427 try { 11428 handle = NativeLibraryHelper.Handle.create(codeFile); 11429 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11430 abiOverride); 11431 } catch (IOException e) { 11432 Slog.e(TAG, "Copying native libraries failed", e); 11433 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11434 } finally { 11435 IoUtils.closeQuietly(handle); 11436 } 11437 11438 return ret; 11439 } 11440 11441 int doPreInstall(int status) { 11442 if (status != PackageManager.INSTALL_SUCCEEDED) { 11443 cleanUp(); 11444 } 11445 return status; 11446 } 11447 11448 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11449 if (status != PackageManager.INSTALL_SUCCEEDED) { 11450 cleanUp(); 11451 return false; 11452 } 11453 11454 final File targetDir = codeFile.getParentFile(); 11455 final File beforeCodeFile = codeFile; 11456 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11457 11458 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11459 try { 11460 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11461 } catch (ErrnoException e) { 11462 Slog.w(TAG, "Failed to rename", e); 11463 return false; 11464 } 11465 11466 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11467 Slog.w(TAG, "Failed to restorecon"); 11468 return false; 11469 } 11470 11471 // Reflect the rename internally 11472 codeFile = afterCodeFile; 11473 resourceFile = afterCodeFile; 11474 11475 // Reflect the rename in scanned details 11476 pkg.codePath = afterCodeFile.getAbsolutePath(); 11477 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11478 pkg.baseCodePath); 11479 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11480 pkg.splitCodePaths); 11481 11482 // Reflect the rename in app info 11483 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11484 pkg.applicationInfo.setCodePath(pkg.codePath); 11485 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11486 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11487 pkg.applicationInfo.setResourcePath(pkg.codePath); 11488 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11489 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11490 11491 return true; 11492 } 11493 11494 int doPostInstall(int status, int uid) { 11495 if (status != PackageManager.INSTALL_SUCCEEDED) { 11496 cleanUp(); 11497 } 11498 return status; 11499 } 11500 11501 @Override 11502 String getCodePath() { 11503 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11504 } 11505 11506 @Override 11507 String getResourcePath() { 11508 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11509 } 11510 11511 private boolean cleanUp() { 11512 if (codeFile == null || !codeFile.exists()) { 11513 return false; 11514 } 11515 11516 if (codeFile.isDirectory()) { 11517 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11518 } else { 11519 codeFile.delete(); 11520 } 11521 11522 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11523 resourceFile.delete(); 11524 } 11525 11526 return true; 11527 } 11528 11529 void cleanUpResourcesLI() { 11530 // Try enumerating all code paths before deleting 11531 List<String> allCodePaths = Collections.EMPTY_LIST; 11532 if (codeFile != null && codeFile.exists()) { 11533 try { 11534 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11535 allCodePaths = pkg.getAllCodePaths(); 11536 } catch (PackageParserException e) { 11537 // Ignored; we tried our best 11538 } 11539 } 11540 11541 cleanUp(); 11542 removeDexFiles(allCodePaths, instructionSets); 11543 } 11544 11545 boolean doPostDeleteLI(boolean delete) { 11546 // XXX err, shouldn't we respect the delete flag? 11547 cleanUpResourcesLI(); 11548 return true; 11549 } 11550 } 11551 11552 private boolean isAsecExternal(String cid) { 11553 final String asecPath = PackageHelper.getSdFilesystem(cid); 11554 return !asecPath.startsWith(mAsecInternalPath); 11555 } 11556 11557 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11558 PackageManagerException { 11559 if (copyRet < 0) { 11560 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11561 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11562 throw new PackageManagerException(copyRet, message); 11563 } 11564 } 11565 } 11566 11567 /** 11568 * Extract the MountService "container ID" from the full code path of an 11569 * .apk. 11570 */ 11571 static String cidFromCodePath(String fullCodePath) { 11572 int eidx = fullCodePath.lastIndexOf("/"); 11573 String subStr1 = fullCodePath.substring(0, eidx); 11574 int sidx = subStr1.lastIndexOf("/"); 11575 return subStr1.substring(sidx+1, eidx); 11576 } 11577 11578 /** 11579 * Logic to handle installation of ASEC applications, including copying and 11580 * renaming logic. 11581 */ 11582 class AsecInstallArgs extends InstallArgs { 11583 static final String RES_FILE_NAME = "pkg.apk"; 11584 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11585 11586 String cid; 11587 String packagePath; 11588 String resourcePath; 11589 11590 /** New install */ 11591 AsecInstallArgs(InstallParams params) { 11592 super(params.origin, params.move, params.observer, params.installFlags, 11593 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11594 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11595 params.grantedRuntimePermissions, 11596 params.traceMethod, params.traceCookie); 11597 } 11598 11599 /** Existing install */ 11600 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11601 boolean isExternal, boolean isForwardLocked) { 11602 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11603 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11604 instructionSets, null, null, null, 0); 11605 // Hackily pretend we're still looking at a full code path 11606 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11607 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11608 } 11609 11610 // Extract cid from fullCodePath 11611 int eidx = fullCodePath.lastIndexOf("/"); 11612 String subStr1 = fullCodePath.substring(0, eidx); 11613 int sidx = subStr1.lastIndexOf("/"); 11614 cid = subStr1.substring(sidx+1, eidx); 11615 setMountPath(subStr1); 11616 } 11617 11618 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11619 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11620 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11621 instructionSets, null, null, null, 0); 11622 this.cid = cid; 11623 setMountPath(PackageHelper.getSdDir(cid)); 11624 } 11625 11626 void createCopyFile() { 11627 cid = mInstallerService.allocateExternalStageCidLegacy(); 11628 } 11629 11630 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11631 if (origin.staged) { 11632 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11633 cid = origin.cid; 11634 setMountPath(PackageHelper.getSdDir(cid)); 11635 return PackageManager.INSTALL_SUCCEEDED; 11636 } 11637 11638 if (temp) { 11639 createCopyFile(); 11640 } else { 11641 /* 11642 * Pre-emptively destroy the container since it's destroyed if 11643 * copying fails due to it existing anyway. 11644 */ 11645 PackageHelper.destroySdDir(cid); 11646 } 11647 11648 final String newMountPath = imcs.copyPackageToContainer( 11649 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11650 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11651 11652 if (newMountPath != null) { 11653 setMountPath(newMountPath); 11654 return PackageManager.INSTALL_SUCCEEDED; 11655 } else { 11656 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11657 } 11658 } 11659 11660 @Override 11661 String getCodePath() { 11662 return packagePath; 11663 } 11664 11665 @Override 11666 String getResourcePath() { 11667 return resourcePath; 11668 } 11669 11670 int doPreInstall(int status) { 11671 if (status != PackageManager.INSTALL_SUCCEEDED) { 11672 // Destroy container 11673 PackageHelper.destroySdDir(cid); 11674 } else { 11675 boolean mounted = PackageHelper.isContainerMounted(cid); 11676 if (!mounted) { 11677 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11678 Process.SYSTEM_UID); 11679 if (newMountPath != null) { 11680 setMountPath(newMountPath); 11681 } else { 11682 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11683 } 11684 } 11685 } 11686 return status; 11687 } 11688 11689 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11690 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11691 String newMountPath = null; 11692 if (PackageHelper.isContainerMounted(cid)) { 11693 // Unmount the container 11694 if (!PackageHelper.unMountSdDir(cid)) { 11695 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11696 return false; 11697 } 11698 } 11699 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11700 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11701 " which might be stale. Will try to clean up."); 11702 // Clean up the stale container and proceed to recreate. 11703 if (!PackageHelper.destroySdDir(newCacheId)) { 11704 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11705 return false; 11706 } 11707 // Successfully cleaned up stale container. Try to rename again. 11708 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11709 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11710 + " inspite of cleaning it up."); 11711 return false; 11712 } 11713 } 11714 if (!PackageHelper.isContainerMounted(newCacheId)) { 11715 Slog.w(TAG, "Mounting container " + newCacheId); 11716 newMountPath = PackageHelper.mountSdDir(newCacheId, 11717 getEncryptKey(), Process.SYSTEM_UID); 11718 } else { 11719 newMountPath = PackageHelper.getSdDir(newCacheId); 11720 } 11721 if (newMountPath == null) { 11722 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11723 return false; 11724 } 11725 Log.i(TAG, "Succesfully renamed " + cid + 11726 " to " + newCacheId + 11727 " at new path: " + newMountPath); 11728 cid = newCacheId; 11729 11730 final File beforeCodeFile = new File(packagePath); 11731 setMountPath(newMountPath); 11732 final File afterCodeFile = new File(packagePath); 11733 11734 // Reflect the rename in scanned details 11735 pkg.codePath = afterCodeFile.getAbsolutePath(); 11736 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11737 pkg.baseCodePath); 11738 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11739 pkg.splitCodePaths); 11740 11741 // Reflect the rename in app info 11742 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11743 pkg.applicationInfo.setCodePath(pkg.codePath); 11744 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11745 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11746 pkg.applicationInfo.setResourcePath(pkg.codePath); 11747 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11748 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11749 11750 return true; 11751 } 11752 11753 private void setMountPath(String mountPath) { 11754 final File mountFile = new File(mountPath); 11755 11756 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11757 if (monolithicFile.exists()) { 11758 packagePath = monolithicFile.getAbsolutePath(); 11759 if (isFwdLocked()) { 11760 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11761 } else { 11762 resourcePath = packagePath; 11763 } 11764 } else { 11765 packagePath = mountFile.getAbsolutePath(); 11766 resourcePath = packagePath; 11767 } 11768 } 11769 11770 int doPostInstall(int status, int uid) { 11771 if (status != PackageManager.INSTALL_SUCCEEDED) { 11772 cleanUp(); 11773 } else { 11774 final int groupOwner; 11775 final String protectedFile; 11776 if (isFwdLocked()) { 11777 groupOwner = UserHandle.getSharedAppGid(uid); 11778 protectedFile = RES_FILE_NAME; 11779 } else { 11780 groupOwner = -1; 11781 protectedFile = null; 11782 } 11783 11784 if (uid < Process.FIRST_APPLICATION_UID 11785 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11786 Slog.e(TAG, "Failed to finalize " + cid); 11787 PackageHelper.destroySdDir(cid); 11788 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11789 } 11790 11791 boolean mounted = PackageHelper.isContainerMounted(cid); 11792 if (!mounted) { 11793 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11794 } 11795 } 11796 return status; 11797 } 11798 11799 private void cleanUp() { 11800 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11801 11802 // Destroy secure container 11803 PackageHelper.destroySdDir(cid); 11804 } 11805 11806 private List<String> getAllCodePaths() { 11807 final File codeFile = new File(getCodePath()); 11808 if (codeFile != null && codeFile.exists()) { 11809 try { 11810 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11811 return pkg.getAllCodePaths(); 11812 } catch (PackageParserException e) { 11813 // Ignored; we tried our best 11814 } 11815 } 11816 return Collections.EMPTY_LIST; 11817 } 11818 11819 void cleanUpResourcesLI() { 11820 // Enumerate all code paths before deleting 11821 cleanUpResourcesLI(getAllCodePaths()); 11822 } 11823 11824 private void cleanUpResourcesLI(List<String> allCodePaths) { 11825 cleanUp(); 11826 removeDexFiles(allCodePaths, instructionSets); 11827 } 11828 11829 String getPackageName() { 11830 return getAsecPackageName(cid); 11831 } 11832 11833 boolean doPostDeleteLI(boolean delete) { 11834 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11835 final List<String> allCodePaths = getAllCodePaths(); 11836 boolean mounted = PackageHelper.isContainerMounted(cid); 11837 if (mounted) { 11838 // Unmount first 11839 if (PackageHelper.unMountSdDir(cid)) { 11840 mounted = false; 11841 } 11842 } 11843 if (!mounted && delete) { 11844 cleanUpResourcesLI(allCodePaths); 11845 } 11846 return !mounted; 11847 } 11848 11849 @Override 11850 int doPreCopy() { 11851 if (isFwdLocked()) { 11852 if (!PackageHelper.fixSdPermissions(cid, 11853 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11854 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11855 } 11856 } 11857 11858 return PackageManager.INSTALL_SUCCEEDED; 11859 } 11860 11861 @Override 11862 int doPostCopy(int uid) { 11863 if (isFwdLocked()) { 11864 if (uid < Process.FIRST_APPLICATION_UID 11865 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11866 RES_FILE_NAME)) { 11867 Slog.e(TAG, "Failed to finalize " + cid); 11868 PackageHelper.destroySdDir(cid); 11869 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11870 } 11871 } 11872 11873 return PackageManager.INSTALL_SUCCEEDED; 11874 } 11875 } 11876 11877 /** 11878 * Logic to handle movement of existing installed applications. 11879 */ 11880 class MoveInstallArgs extends InstallArgs { 11881 private File codeFile; 11882 private File resourceFile; 11883 11884 /** New install */ 11885 MoveInstallArgs(InstallParams params) { 11886 super(params.origin, params.move, params.observer, params.installFlags, 11887 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11888 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11889 params.grantedRuntimePermissions, 11890 params.traceMethod, params.traceCookie); 11891 } 11892 11893 int copyApk(IMediaContainerService imcs, boolean temp) { 11894 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11895 + move.fromUuid + " to " + move.toUuid); 11896 synchronized (mInstaller) { 11897 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11898 move.dataAppName, move.appId, move.seinfo) != 0) { 11899 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11900 } 11901 } 11902 11903 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11904 resourceFile = codeFile; 11905 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11906 11907 return PackageManager.INSTALL_SUCCEEDED; 11908 } 11909 11910 int doPreInstall(int status) { 11911 if (status != PackageManager.INSTALL_SUCCEEDED) { 11912 cleanUp(move.toUuid); 11913 } 11914 return status; 11915 } 11916 11917 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11918 if (status != PackageManager.INSTALL_SUCCEEDED) { 11919 cleanUp(move.toUuid); 11920 return false; 11921 } 11922 11923 // Reflect the move in app info 11924 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11925 pkg.applicationInfo.setCodePath(pkg.codePath); 11926 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11927 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11928 pkg.applicationInfo.setResourcePath(pkg.codePath); 11929 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11930 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11931 11932 return true; 11933 } 11934 11935 int doPostInstall(int status, int uid) { 11936 if (status == PackageManager.INSTALL_SUCCEEDED) { 11937 cleanUp(move.fromUuid); 11938 } else { 11939 cleanUp(move.toUuid); 11940 } 11941 return status; 11942 } 11943 11944 @Override 11945 String getCodePath() { 11946 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11947 } 11948 11949 @Override 11950 String getResourcePath() { 11951 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11952 } 11953 11954 private boolean cleanUp(String volumeUuid) { 11955 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11956 move.dataAppName); 11957 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11958 synchronized (mInstallLock) { 11959 // Clean up both app data and code 11960 removeDataDirsLI(volumeUuid, move.packageName); 11961 if (codeFile.isDirectory()) { 11962 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11963 } else { 11964 codeFile.delete(); 11965 } 11966 } 11967 return true; 11968 } 11969 11970 void cleanUpResourcesLI() { 11971 throw new UnsupportedOperationException(); 11972 } 11973 11974 boolean doPostDeleteLI(boolean delete) { 11975 throw new UnsupportedOperationException(); 11976 } 11977 } 11978 11979 static String getAsecPackageName(String packageCid) { 11980 int idx = packageCid.lastIndexOf("-"); 11981 if (idx == -1) { 11982 return packageCid; 11983 } 11984 return packageCid.substring(0, idx); 11985 } 11986 11987 // Utility method used to create code paths based on package name and available index. 11988 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11989 String idxStr = ""; 11990 int idx = 1; 11991 // Fall back to default value of idx=1 if prefix is not 11992 // part of oldCodePath 11993 if (oldCodePath != null) { 11994 String subStr = oldCodePath; 11995 // Drop the suffix right away 11996 if (suffix != null && subStr.endsWith(suffix)) { 11997 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11998 } 11999 // If oldCodePath already contains prefix find out the 12000 // ending index to either increment or decrement. 12001 int sidx = subStr.lastIndexOf(prefix); 12002 if (sidx != -1) { 12003 subStr = subStr.substring(sidx + prefix.length()); 12004 if (subStr != null) { 12005 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12006 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12007 } 12008 try { 12009 idx = Integer.parseInt(subStr); 12010 if (idx <= 1) { 12011 idx++; 12012 } else { 12013 idx--; 12014 } 12015 } catch(NumberFormatException e) { 12016 } 12017 } 12018 } 12019 } 12020 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12021 return prefix + idxStr; 12022 } 12023 12024 private File getNextCodePath(File targetDir, String packageName) { 12025 int suffix = 1; 12026 File result; 12027 do { 12028 result = new File(targetDir, packageName + "-" + suffix); 12029 suffix++; 12030 } while (result.exists()); 12031 return result; 12032 } 12033 12034 // Utility method that returns the relative package path with respect 12035 // to the installation directory. Like say for /data/data/com.test-1.apk 12036 // string com.test-1 is returned. 12037 static String deriveCodePathName(String codePath) { 12038 if (codePath == null) { 12039 return null; 12040 } 12041 final File codeFile = new File(codePath); 12042 final String name = codeFile.getName(); 12043 if (codeFile.isDirectory()) { 12044 return name; 12045 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12046 final int lastDot = name.lastIndexOf('.'); 12047 return name.substring(0, lastDot); 12048 } else { 12049 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12050 return null; 12051 } 12052 } 12053 12054 class PackageInstalledInfo { 12055 String name; 12056 int uid; 12057 // The set of users that originally had this package installed. 12058 int[] origUsers; 12059 // The set of users that now have this package installed. 12060 int[] newUsers; 12061 PackageParser.Package pkg; 12062 int returnCode; 12063 String returnMsg; 12064 PackageRemovedInfo removedInfo; 12065 12066 public void setError(int code, String msg) { 12067 returnCode = code; 12068 returnMsg = msg; 12069 Slog.w(TAG, msg); 12070 } 12071 12072 public void setError(String msg, PackageParserException e) { 12073 returnCode = e.error; 12074 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12075 Slog.w(TAG, msg, e); 12076 } 12077 12078 public void setError(String msg, PackageManagerException e) { 12079 returnCode = e.error; 12080 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12081 Slog.w(TAG, msg, e); 12082 } 12083 12084 // In some error cases we want to convey more info back to the observer 12085 String origPackage; 12086 String origPermission; 12087 } 12088 12089 /* 12090 * Install a non-existing package. 12091 */ 12092 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12093 UserHandle user, String installerPackageName, String volumeUuid, 12094 PackageInstalledInfo res) { 12095 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12096 12097 // Remember this for later, in case we need to rollback this install 12098 String pkgName = pkg.packageName; 12099 12100 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12101 // TODO: b/23350563 12102 final boolean dataDirExists = Environment 12103 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12104 12105 synchronized(mPackages) { 12106 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12107 // A package with the same name is already installed, though 12108 // it has been renamed to an older name. The package we 12109 // are trying to install should be installed as an update to 12110 // the existing one, but that has not been requested, so bail. 12111 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12112 + " without first uninstalling package running as " 12113 + mSettings.mRenamedPackages.get(pkgName)); 12114 return; 12115 } 12116 if (mPackages.containsKey(pkgName)) { 12117 // Don't allow installation over an existing package with the same name. 12118 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12119 + " without first uninstalling."); 12120 return; 12121 } 12122 } 12123 12124 try { 12125 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12126 System.currentTimeMillis(), user); 12127 12128 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12129 // delete the partially installed application. the data directory will have to be 12130 // restored if it was already existing 12131 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12132 // remove package from internal structures. Note that we want deletePackageX to 12133 // delete the package data and cache directories that it created in 12134 // scanPackageLocked, unless those directories existed before we even tried to 12135 // install. 12136 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12137 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12138 res.removedInfo, true); 12139 } 12140 12141 } catch (PackageManagerException e) { 12142 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12143 } 12144 12145 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12146 } 12147 12148 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12149 // Can't rotate keys during boot or if sharedUser. 12150 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12151 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12152 return false; 12153 } 12154 // app is using upgradeKeySets; make sure all are valid 12155 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12156 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12157 for (int i = 0; i < upgradeKeySets.length; i++) { 12158 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12159 Slog.wtf(TAG, "Package " 12160 + (oldPs.name != null ? oldPs.name : "<null>") 12161 + " contains upgrade-key-set reference to unknown key-set: " 12162 + upgradeKeySets[i] 12163 + " reverting to signatures check."); 12164 return false; 12165 } 12166 } 12167 return true; 12168 } 12169 12170 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12171 // Upgrade keysets are being used. Determine if new package has a superset of the 12172 // required keys. 12173 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12174 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12175 for (int i = 0; i < upgradeKeySets.length; i++) { 12176 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12177 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12178 return true; 12179 } 12180 } 12181 return false; 12182 } 12183 12184 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12185 UserHandle user, String installerPackageName, String volumeUuid, 12186 PackageInstalledInfo res) { 12187 final PackageParser.Package oldPackage; 12188 final String pkgName = pkg.packageName; 12189 final int[] allUsers; 12190 final boolean[] perUserInstalled; 12191 12192 // First find the old package info and check signatures 12193 synchronized(mPackages) { 12194 oldPackage = mPackages.get(pkgName); 12195 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12196 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12197 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12198 if(!checkUpgradeKeySetLP(ps, pkg)) { 12199 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12200 "New package not signed by keys specified by upgrade-keysets: " 12201 + pkgName); 12202 return; 12203 } 12204 } else { 12205 // default to original signature matching 12206 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12207 != PackageManager.SIGNATURE_MATCH) { 12208 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12209 "New package has a different signature: " + pkgName); 12210 return; 12211 } 12212 } 12213 12214 // In case of rollback, remember per-user/profile install state 12215 allUsers = sUserManager.getUserIds(); 12216 perUserInstalled = new boolean[allUsers.length]; 12217 for (int i = 0; i < allUsers.length; i++) { 12218 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12219 } 12220 } 12221 12222 boolean sysPkg = (isSystemApp(oldPackage)); 12223 if (sysPkg) { 12224 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12225 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12226 } else { 12227 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12228 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12229 } 12230 } 12231 12232 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12233 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12234 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12235 String volumeUuid, PackageInstalledInfo res) { 12236 String pkgName = deletedPackage.packageName; 12237 boolean deletedPkg = true; 12238 boolean updatedSettings = false; 12239 12240 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12241 + deletedPackage); 12242 long origUpdateTime; 12243 if (pkg.mExtras != null) { 12244 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12245 } else { 12246 origUpdateTime = 0; 12247 } 12248 12249 // First delete the existing package while retaining the data directory 12250 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12251 res.removedInfo, true)) { 12252 // If the existing package wasn't successfully deleted 12253 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12254 deletedPkg = false; 12255 } else { 12256 // Successfully deleted the old package; proceed with replace. 12257 12258 // If deleted package lived in a container, give users a chance to 12259 // relinquish resources before killing. 12260 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12261 if (DEBUG_INSTALL) { 12262 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12263 } 12264 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12265 final ArrayList<String> pkgList = new ArrayList<String>(1); 12266 pkgList.add(deletedPackage.applicationInfo.packageName); 12267 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12268 } 12269 12270 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12271 try { 12272 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12273 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12274 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12275 perUserInstalled, res, user); 12276 updatedSettings = true; 12277 } catch (PackageManagerException e) { 12278 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12279 } 12280 } 12281 12282 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12283 // remove package from internal structures. Note that we want deletePackageX to 12284 // delete the package data and cache directories that it created in 12285 // scanPackageLocked, unless those directories existed before we even tried to 12286 // install. 12287 if(updatedSettings) { 12288 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12289 deletePackageLI( 12290 pkgName, null, true, allUsers, perUserInstalled, 12291 PackageManager.DELETE_KEEP_DATA, 12292 res.removedInfo, true); 12293 } 12294 // Since we failed to install the new package we need to restore the old 12295 // package that we deleted. 12296 if (deletedPkg) { 12297 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12298 File restoreFile = new File(deletedPackage.codePath); 12299 // Parse old package 12300 boolean oldExternal = isExternal(deletedPackage); 12301 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12302 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12303 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12304 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12305 try { 12306 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12307 null); 12308 } catch (PackageManagerException e) { 12309 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12310 + e.getMessage()); 12311 return; 12312 } 12313 // Restore of old package succeeded. Update permissions. 12314 // writer 12315 synchronized (mPackages) { 12316 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12317 UPDATE_PERMISSIONS_ALL); 12318 // can downgrade to reader 12319 mSettings.writeLPr(); 12320 } 12321 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12322 } 12323 } 12324 } 12325 12326 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12327 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12328 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12329 String volumeUuid, PackageInstalledInfo res) { 12330 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12331 + ", old=" + deletedPackage); 12332 boolean disabledSystem = false; 12333 boolean updatedSettings = false; 12334 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12335 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12336 != 0) { 12337 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12338 } 12339 String packageName = deletedPackage.packageName; 12340 if (packageName == null) { 12341 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12342 "Attempt to delete null packageName."); 12343 return; 12344 } 12345 PackageParser.Package oldPkg; 12346 PackageSetting oldPkgSetting; 12347 // reader 12348 synchronized (mPackages) { 12349 oldPkg = mPackages.get(packageName); 12350 oldPkgSetting = mSettings.mPackages.get(packageName); 12351 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12352 (oldPkgSetting == null)) { 12353 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12354 "Couldn't find package:" + packageName + " information"); 12355 return; 12356 } 12357 } 12358 12359 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12360 12361 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12362 res.removedInfo.removedPackage = packageName; 12363 // Remove existing system package 12364 removePackageLI(oldPkgSetting, true); 12365 // writer 12366 synchronized (mPackages) { 12367 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12368 if (!disabledSystem && deletedPackage != null) { 12369 // We didn't need to disable the .apk as a current system package, 12370 // which means we are replacing another update that is already 12371 // installed. We need to make sure to delete the older one's .apk. 12372 res.removedInfo.args = createInstallArgsForExisting(0, 12373 deletedPackage.applicationInfo.getCodePath(), 12374 deletedPackage.applicationInfo.getResourcePath(), 12375 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12376 } else { 12377 res.removedInfo.args = null; 12378 } 12379 } 12380 12381 // Successfully disabled the old package. Now proceed with re-installation 12382 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12383 12384 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12385 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12386 12387 PackageParser.Package newPackage = null; 12388 try { 12389 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12390 if (newPackage.mExtras != null) { 12391 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12392 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12393 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12394 12395 // is the update attempting to change shared user? that isn't going to work... 12396 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12397 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12398 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12399 + " to " + newPkgSetting.sharedUser); 12400 updatedSettings = true; 12401 } 12402 } 12403 12404 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12405 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12406 perUserInstalled, res, user); 12407 updatedSettings = true; 12408 } 12409 12410 } catch (PackageManagerException e) { 12411 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12412 } 12413 12414 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12415 // Re installation failed. Restore old information 12416 // Remove new pkg information 12417 if (newPackage != null) { 12418 removeInstalledPackageLI(newPackage, true); 12419 } 12420 // Add back the old system package 12421 try { 12422 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12423 } catch (PackageManagerException e) { 12424 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12425 } 12426 // Restore the old system information in Settings 12427 synchronized (mPackages) { 12428 if (disabledSystem) { 12429 mSettings.enableSystemPackageLPw(packageName); 12430 } 12431 if (updatedSettings) { 12432 mSettings.setInstallerPackageName(packageName, 12433 oldPkgSetting.installerPackageName); 12434 } 12435 mSettings.writeLPr(); 12436 } 12437 } 12438 } 12439 12440 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12441 // Collect all used permissions in the UID 12442 ArraySet<String> usedPermissions = new ArraySet<>(); 12443 final int packageCount = su.packages.size(); 12444 for (int i = 0; i < packageCount; i++) { 12445 PackageSetting ps = su.packages.valueAt(i); 12446 if (ps.pkg == null) { 12447 continue; 12448 } 12449 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12450 for (int j = 0; j < requestedPermCount; j++) { 12451 String permission = ps.pkg.requestedPermissions.get(j); 12452 BasePermission bp = mSettings.mPermissions.get(permission); 12453 if (bp != null) { 12454 usedPermissions.add(permission); 12455 } 12456 } 12457 } 12458 12459 PermissionsState permissionsState = su.getPermissionsState(); 12460 // Prune install permissions 12461 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12462 final int installPermCount = installPermStates.size(); 12463 for (int i = installPermCount - 1; i >= 0; i--) { 12464 PermissionState permissionState = installPermStates.get(i); 12465 if (!usedPermissions.contains(permissionState.getName())) { 12466 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12467 if (bp != null) { 12468 permissionsState.revokeInstallPermission(bp); 12469 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12470 PackageManager.MASK_PERMISSION_FLAGS, 0); 12471 } 12472 } 12473 } 12474 12475 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12476 12477 // Prune runtime permissions 12478 for (int userId : allUserIds) { 12479 List<PermissionState> runtimePermStates = permissionsState 12480 .getRuntimePermissionStates(userId); 12481 final int runtimePermCount = runtimePermStates.size(); 12482 for (int i = runtimePermCount - 1; i >= 0; i--) { 12483 PermissionState permissionState = runtimePermStates.get(i); 12484 if (!usedPermissions.contains(permissionState.getName())) { 12485 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12486 if (bp != null) { 12487 permissionsState.revokeRuntimePermission(bp, userId); 12488 permissionsState.updatePermissionFlags(bp, userId, 12489 PackageManager.MASK_PERMISSION_FLAGS, 0); 12490 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12491 runtimePermissionChangedUserIds, userId); 12492 } 12493 } 12494 } 12495 } 12496 12497 return runtimePermissionChangedUserIds; 12498 } 12499 12500 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12501 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12502 UserHandle user) { 12503 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12504 12505 String pkgName = newPackage.packageName; 12506 synchronized (mPackages) { 12507 //write settings. the installStatus will be incomplete at this stage. 12508 //note that the new package setting would have already been 12509 //added to mPackages. It hasn't been persisted yet. 12510 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12511 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12512 mSettings.writeLPr(); 12513 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12514 } 12515 12516 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12517 synchronized (mPackages) { 12518 updatePermissionsLPw(newPackage.packageName, newPackage, 12519 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12520 ? UPDATE_PERMISSIONS_ALL : 0)); 12521 // For system-bundled packages, we assume that installing an upgraded version 12522 // of the package implies that the user actually wants to run that new code, 12523 // so we enable the package. 12524 PackageSetting ps = mSettings.mPackages.get(pkgName); 12525 if (ps != null) { 12526 if (isSystemApp(newPackage)) { 12527 // NB: implicit assumption that system package upgrades apply to all users 12528 if (DEBUG_INSTALL) { 12529 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12530 } 12531 if (res.origUsers != null) { 12532 for (int userHandle : res.origUsers) { 12533 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12534 userHandle, installerPackageName); 12535 } 12536 } 12537 // Also convey the prior install/uninstall state 12538 if (allUsers != null && perUserInstalled != null) { 12539 for (int i = 0; i < allUsers.length; i++) { 12540 if (DEBUG_INSTALL) { 12541 Slog.d(TAG, " user " + allUsers[i] 12542 + " => " + perUserInstalled[i]); 12543 } 12544 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12545 } 12546 // these install state changes will be persisted in the 12547 // upcoming call to mSettings.writeLPr(). 12548 } 12549 } 12550 // It's implied that when a user requests installation, they want the app to be 12551 // installed and enabled. 12552 int userId = user.getIdentifier(); 12553 if (userId != UserHandle.USER_ALL) { 12554 ps.setInstalled(true, userId); 12555 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12556 } 12557 } 12558 res.name = pkgName; 12559 res.uid = newPackage.applicationInfo.uid; 12560 res.pkg = newPackage; 12561 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12562 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12563 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12564 //to update install status 12565 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12566 mSettings.writeLPr(); 12567 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12568 } 12569 12570 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12571 } 12572 12573 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12574 try { 12575 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12576 installPackageLI(args, res); 12577 } finally { 12578 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12579 } 12580 } 12581 12582 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12583 final int installFlags = args.installFlags; 12584 final String installerPackageName = args.installerPackageName; 12585 final String volumeUuid = args.volumeUuid; 12586 final File tmpPackageFile = new File(args.getCodePath()); 12587 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12588 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12589 || (args.volumeUuid != null)); 12590 final boolean quickInstall = ((installFlags & PackageManager.INSTALL_QUICK) != 0); 12591 boolean replace = false; 12592 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12593 if (args.move != null) { 12594 // moving a complete application; perfom an initial scan on the new install location 12595 scanFlags |= SCAN_INITIAL; 12596 } 12597 // Result object to be returned 12598 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12599 12600 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12601 12602 // Retrieve PackageSettings and parse package 12603 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12604 | PackageParser.PARSE_ENFORCE_CODE 12605 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12606 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12607 | (quickInstall ? PackageParser.PARSE_SKIP_VERIFICATION : 0); 12608 PackageParser pp = new PackageParser(); 12609 pp.setSeparateProcesses(mSeparateProcesses); 12610 pp.setDisplayMetrics(mMetrics); 12611 12612 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12613 final PackageParser.Package pkg; 12614 try { 12615 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12616 } catch (PackageParserException e) { 12617 res.setError("Failed parse during installPackageLI", e); 12618 return; 12619 } finally { 12620 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12621 } 12622 12623 // Mark that we have an install time CPU ABI override. 12624 pkg.cpuAbiOverride = args.abiOverride; 12625 12626 String pkgName = res.name = pkg.packageName; 12627 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12628 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12629 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12630 return; 12631 } 12632 } 12633 12634 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12635 try { 12636 pp.collectCertificates(pkg, parseFlags); 12637 } catch (PackageParserException e) { 12638 res.setError("Failed collect during installPackageLI", e); 12639 return; 12640 } finally { 12641 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12642 } 12643 12644 /* If the installer passed in a manifest digest, compare it now. */ 12645 if (args.manifestDigest != null) { 12646 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectManifestDigest"); 12647 try { 12648 pp.collectManifestDigest(pkg); 12649 } catch (PackageParserException e) { 12650 res.setError("Failed collect during installPackageLI", e); 12651 return; 12652 } finally { 12653 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12654 } 12655 12656 if (DEBUG_INSTALL) { 12657 final String parsedManifest = pkg.manifestDigest == null ? "null" 12658 : pkg.manifestDigest.toString(); 12659 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12660 + parsedManifest); 12661 } 12662 12663 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12664 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12665 return; 12666 } 12667 } else if (DEBUG_INSTALL) { 12668 final String parsedManifest = pkg.manifestDigest == null 12669 ? "null" : pkg.manifestDigest.toString(); 12670 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12671 } 12672 12673 // Get rid of all references to package scan path via parser. 12674 pp = null; 12675 String oldCodePath = null; 12676 boolean systemApp = false; 12677 synchronized (mPackages) { 12678 // Check if installing already existing package 12679 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12680 String oldName = mSettings.mRenamedPackages.get(pkgName); 12681 if (pkg.mOriginalPackages != null 12682 && pkg.mOriginalPackages.contains(oldName) 12683 && mPackages.containsKey(oldName)) { 12684 // This package is derived from an original package, 12685 // and this device has been updating from that original 12686 // name. We must continue using the original name, so 12687 // rename the new package here. 12688 pkg.setPackageName(oldName); 12689 pkgName = pkg.packageName; 12690 replace = true; 12691 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12692 + oldName + " pkgName=" + pkgName); 12693 } else if (mPackages.containsKey(pkgName)) { 12694 // This package, under its official name, already exists 12695 // on the device; we should replace it. 12696 replace = true; 12697 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12698 } 12699 12700 // Prevent apps opting out from runtime permissions 12701 if (replace) { 12702 PackageParser.Package oldPackage = mPackages.get(pkgName); 12703 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12704 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12705 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12706 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12707 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12708 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12709 + " doesn't support runtime permissions but the old" 12710 + " target SDK " + oldTargetSdk + " does."); 12711 return; 12712 } 12713 } 12714 } 12715 12716 PackageSetting ps = mSettings.mPackages.get(pkgName); 12717 if (ps != null) { 12718 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12719 12720 // Quick sanity check that we're signed correctly if updating; 12721 // we'll check this again later when scanning, but we want to 12722 // bail early here before tripping over redefined permissions. 12723 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12724 if (!checkUpgradeKeySetLP(ps, pkg)) { 12725 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12726 + pkg.packageName + " upgrade keys do not match the " 12727 + "previously installed version"); 12728 return; 12729 } 12730 } else { 12731 try { 12732 verifySignaturesLP(ps, pkg); 12733 } catch (PackageManagerException e) { 12734 res.setError(e.error, e.getMessage()); 12735 return; 12736 } 12737 } 12738 12739 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12740 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12741 systemApp = (ps.pkg.applicationInfo.flags & 12742 ApplicationInfo.FLAG_SYSTEM) != 0; 12743 } 12744 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12745 } 12746 12747 // Check whether the newly-scanned package wants to define an already-defined perm 12748 int N = pkg.permissions.size(); 12749 for (int i = N-1; i >= 0; i--) { 12750 PackageParser.Permission perm = pkg.permissions.get(i); 12751 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12752 if (bp != null) { 12753 // If the defining package is signed with our cert, it's okay. This 12754 // also includes the "updating the same package" case, of course. 12755 // "updating same package" could also involve key-rotation. 12756 final boolean sigsOk; 12757 if (bp.sourcePackage.equals(pkg.packageName) 12758 && (bp.packageSetting instanceof PackageSetting) 12759 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12760 scanFlags))) { 12761 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12762 } else { 12763 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12764 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12765 } 12766 if (!sigsOk) { 12767 // If the owning package is the system itself, we log but allow 12768 // install to proceed; we fail the install on all other permission 12769 // redefinitions. 12770 if (!bp.sourcePackage.equals("android")) { 12771 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12772 + pkg.packageName + " attempting to redeclare permission " 12773 + perm.info.name + " already owned by " + bp.sourcePackage); 12774 res.origPermission = perm.info.name; 12775 res.origPackage = bp.sourcePackage; 12776 return; 12777 } else { 12778 Slog.w(TAG, "Package " + pkg.packageName 12779 + " attempting to redeclare system permission " 12780 + perm.info.name + "; ignoring new declaration"); 12781 pkg.permissions.remove(i); 12782 } 12783 } 12784 } 12785 } 12786 12787 } 12788 12789 if (systemApp && onExternal) { 12790 // Disable updates to system apps on sdcard 12791 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12792 "Cannot install updates to system apps on sdcard"); 12793 return; 12794 } 12795 12796 if (args.move != null) { 12797 // We did an in-place move, so dex is ready to roll 12798 scanFlags |= SCAN_NO_DEX; 12799 scanFlags |= SCAN_MOVE; 12800 12801 synchronized (mPackages) { 12802 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12803 if (ps == null) { 12804 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12805 "Missing settings for moved package " + pkgName); 12806 } 12807 12808 // We moved the entire application as-is, so bring over the 12809 // previously derived ABI information. 12810 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12811 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12812 } 12813 12814 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12815 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12816 scanFlags |= SCAN_NO_DEX; 12817 12818 try { 12819 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12820 true /* extract libs */); 12821 } catch (PackageManagerException pme) { 12822 Slog.e(TAG, "Error deriving application ABI", pme); 12823 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12824 return; 12825 } 12826 } 12827 12828 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12829 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12830 return; 12831 } 12832 12833 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12834 12835 if (replace) { 12836 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12837 installerPackageName, volumeUuid, res); 12838 } else { 12839 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12840 args.user, installerPackageName, volumeUuid, res); 12841 } 12842 synchronized (mPackages) { 12843 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12844 if (ps != null) { 12845 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12846 } 12847 } 12848 } 12849 12850 private void startIntentFilterVerifications(int userId, boolean replacing, 12851 PackageParser.Package pkg) { 12852 if (mIntentFilterVerifierComponent == null) { 12853 Slog.w(TAG, "No IntentFilter verification will not be done as " 12854 + "there is no IntentFilterVerifier available!"); 12855 return; 12856 } 12857 12858 final int verifierUid = getPackageUid( 12859 mIntentFilterVerifierComponent.getPackageName(), 12860 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 12861 12862 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12863 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12864 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12865 mHandler.sendMessage(msg); 12866 } 12867 12868 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12869 PackageParser.Package pkg) { 12870 int size = pkg.activities.size(); 12871 if (size == 0) { 12872 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12873 "No activity, so no need to verify any IntentFilter!"); 12874 return; 12875 } 12876 12877 final boolean hasDomainURLs = hasDomainURLs(pkg); 12878 if (!hasDomainURLs) { 12879 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12880 "No domain URLs, so no need to verify any IntentFilter!"); 12881 return; 12882 } 12883 12884 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12885 + " if any IntentFilter from the " + size 12886 + " Activities needs verification ..."); 12887 12888 int count = 0; 12889 final String packageName = pkg.packageName; 12890 12891 synchronized (mPackages) { 12892 // If this is a new install and we see that we've already run verification for this 12893 // package, we have nothing to do: it means the state was restored from backup. 12894 if (!replacing) { 12895 IntentFilterVerificationInfo ivi = 12896 mSettings.getIntentFilterVerificationLPr(packageName); 12897 if (ivi != null) { 12898 if (DEBUG_DOMAIN_VERIFICATION) { 12899 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12900 + ivi.getStatusString()); 12901 } 12902 return; 12903 } 12904 } 12905 12906 // If any filters need to be verified, then all need to be. 12907 boolean needToVerify = false; 12908 for (PackageParser.Activity a : pkg.activities) { 12909 for (ActivityIntentInfo filter : a.intents) { 12910 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12911 if (DEBUG_DOMAIN_VERIFICATION) { 12912 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12913 } 12914 needToVerify = true; 12915 break; 12916 } 12917 } 12918 } 12919 12920 if (needToVerify) { 12921 final int verificationId = mIntentFilterVerificationToken++; 12922 for (PackageParser.Activity a : pkg.activities) { 12923 for (ActivityIntentInfo filter : a.intents) { 12924 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12925 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12926 "Verification needed for IntentFilter:" + filter.toString()); 12927 mIntentFilterVerifier.addOneIntentFilterVerification( 12928 verifierUid, userId, verificationId, filter, packageName); 12929 count++; 12930 } 12931 } 12932 } 12933 } 12934 } 12935 12936 if (count > 0) { 12937 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12938 + " IntentFilter verification" + (count > 1 ? "s" : "") 12939 + " for userId:" + userId); 12940 mIntentFilterVerifier.startVerifications(userId); 12941 } else { 12942 if (DEBUG_DOMAIN_VERIFICATION) { 12943 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12944 } 12945 } 12946 } 12947 12948 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12949 final ComponentName cn = filter.activity.getComponentName(); 12950 final String packageName = cn.getPackageName(); 12951 12952 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12953 packageName); 12954 if (ivi == null) { 12955 return true; 12956 } 12957 int status = ivi.getStatus(); 12958 switch (status) { 12959 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12960 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12961 return true; 12962 12963 default: 12964 // Nothing to do 12965 return false; 12966 } 12967 } 12968 12969 private static boolean isMultiArch(PackageSetting ps) { 12970 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12971 } 12972 12973 private static boolean isMultiArch(ApplicationInfo info) { 12974 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12975 } 12976 12977 private static boolean isExternal(PackageParser.Package pkg) { 12978 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12979 } 12980 12981 private static boolean isExternal(PackageSetting ps) { 12982 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12983 } 12984 12985 private static boolean isExternal(ApplicationInfo info) { 12986 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12987 } 12988 12989 private static boolean isSystemApp(PackageParser.Package pkg) { 12990 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12991 } 12992 12993 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12994 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12995 } 12996 12997 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12998 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12999 } 13000 13001 private static boolean isSystemApp(PackageSetting ps) { 13002 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13003 } 13004 13005 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13006 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13007 } 13008 13009 private int packageFlagsToInstallFlags(PackageSetting ps) { 13010 int installFlags = 0; 13011 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13012 // This existing package was an external ASEC install when we have 13013 // the external flag without a UUID 13014 installFlags |= PackageManager.INSTALL_EXTERNAL; 13015 } 13016 if (ps.isForwardLocked()) { 13017 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13018 } 13019 return installFlags; 13020 } 13021 13022 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13023 if (isExternal(pkg)) { 13024 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13025 return StorageManager.UUID_PRIMARY_PHYSICAL; 13026 } else { 13027 return pkg.volumeUuid; 13028 } 13029 } else { 13030 return StorageManager.UUID_PRIVATE_INTERNAL; 13031 } 13032 } 13033 13034 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13035 if (isExternal(pkg)) { 13036 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13037 return mSettings.getExternalVersion(); 13038 } else { 13039 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13040 } 13041 } else { 13042 return mSettings.getInternalVersion(); 13043 } 13044 } 13045 13046 private void deleteTempPackageFiles() { 13047 final FilenameFilter filter = new FilenameFilter() { 13048 public boolean accept(File dir, String name) { 13049 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13050 } 13051 }; 13052 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13053 file.delete(); 13054 } 13055 } 13056 13057 @Override 13058 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13059 int flags) { 13060 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13061 flags); 13062 } 13063 13064 @Override 13065 public void deletePackage(final String packageName, 13066 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13067 mContext.enforceCallingOrSelfPermission( 13068 android.Manifest.permission.DELETE_PACKAGES, null); 13069 Preconditions.checkNotNull(packageName); 13070 Preconditions.checkNotNull(observer); 13071 final int uid = Binder.getCallingUid(); 13072 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13073 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13074 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13075 mContext.enforceCallingOrSelfPermission( 13076 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13077 "deletePackage for user " + userId); 13078 } 13079 13080 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13081 try { 13082 observer.onPackageDeleted(packageName, 13083 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13084 } catch (RemoteException re) { 13085 } 13086 return; 13087 } 13088 13089 for (int currentUserId : users) { 13090 if (getBlockUninstallForUser(packageName, currentUserId)) { 13091 try { 13092 observer.onPackageDeleted(packageName, 13093 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13094 } catch (RemoteException re) { 13095 } 13096 return; 13097 } 13098 } 13099 13100 if (DEBUG_REMOVE) { 13101 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13102 } 13103 // Queue up an async operation since the package deletion may take a little while. 13104 mHandler.post(new Runnable() { 13105 public void run() { 13106 mHandler.removeCallbacks(this); 13107 final int returnCode = deletePackageX(packageName, userId, flags); 13108 try { 13109 observer.onPackageDeleted(packageName, returnCode, null); 13110 } catch (RemoteException e) { 13111 Log.i(TAG, "Observer no longer exists."); 13112 } //end catch 13113 } //end run 13114 }); 13115 } 13116 13117 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13118 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13119 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13120 try { 13121 if (dpm != null) { 13122 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13123 /* callingUserOnly =*/ false); 13124 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13125 : deviceOwnerComponentName.getPackageName(); 13126 // Does the package contains the device owner? 13127 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13128 // this check is probably not needed, since DO should be registered as a device 13129 // admin on some user too. (Original bug for this: b/17657954) 13130 if (packageName.equals(deviceOwnerPackageName)) { 13131 return true; 13132 } 13133 // Does it contain a device admin for any user? 13134 int[] users; 13135 if (userId == UserHandle.USER_ALL) { 13136 users = sUserManager.getUserIds(); 13137 } else { 13138 users = new int[]{userId}; 13139 } 13140 for (int i = 0; i < users.length; ++i) { 13141 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13142 return true; 13143 } 13144 } 13145 } 13146 } catch (RemoteException e) { 13147 } 13148 return false; 13149 } 13150 13151 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13152 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13153 } 13154 13155 /** 13156 * This method is an internal method that could be get invoked either 13157 * to delete an installed package or to clean up a failed installation. 13158 * After deleting an installed package, a broadcast is sent to notify any 13159 * listeners that the package has been installed. For cleaning up a failed 13160 * installation, the broadcast is not necessary since the package's 13161 * installation wouldn't have sent the initial broadcast either 13162 * The key steps in deleting a package are 13163 * deleting the package information in internal structures like mPackages, 13164 * deleting the packages base directories through installd 13165 * updating mSettings to reflect current status 13166 * persisting settings for later use 13167 * sending a broadcast if necessary 13168 */ 13169 private int deletePackageX(String packageName, int userId, int flags) { 13170 final PackageRemovedInfo info = new PackageRemovedInfo(); 13171 final boolean res; 13172 13173 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13174 ? UserHandle.ALL : new UserHandle(userId); 13175 13176 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13177 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13178 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13179 } 13180 13181 boolean removedForAllUsers = false; 13182 boolean systemUpdate = false; 13183 13184 // for the uninstall-updates case and restricted profiles, remember the per- 13185 // userhandle installed state 13186 int[] allUsers; 13187 boolean[] perUserInstalled; 13188 synchronized (mPackages) { 13189 PackageSetting ps = mSettings.mPackages.get(packageName); 13190 allUsers = sUserManager.getUserIds(); 13191 perUserInstalled = new boolean[allUsers.length]; 13192 for (int i = 0; i < allUsers.length; i++) { 13193 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13194 } 13195 } 13196 13197 synchronized (mInstallLock) { 13198 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13199 res = deletePackageLI(packageName, removeForUser, 13200 true, allUsers, perUserInstalled, 13201 flags | REMOVE_CHATTY, info, true); 13202 systemUpdate = info.isRemovedPackageSystemUpdate; 13203 if (res && !systemUpdate && mPackages.get(packageName) == null) { 13204 removedForAllUsers = true; 13205 } 13206 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13207 + " removedForAllUsers=" + removedForAllUsers); 13208 } 13209 13210 if (res) { 13211 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13212 13213 // If the removed package was a system update, the old system package 13214 // was re-enabled; we need to broadcast this information 13215 if (systemUpdate) { 13216 Bundle extras = new Bundle(1); 13217 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13218 ? info.removedAppId : info.uid); 13219 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13220 13221 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13222 extras, 0, null, null, null); 13223 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13224 extras, 0, null, null, null); 13225 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13226 null, 0, packageName, null, null); 13227 } 13228 } 13229 // Force a gc here. 13230 Runtime.getRuntime().gc(); 13231 // Delete the resources here after sending the broadcast to let 13232 // other processes clean up before deleting resources. 13233 if (info.args != null) { 13234 synchronized (mInstallLock) { 13235 info.args.doPostDeleteLI(true); 13236 } 13237 } 13238 13239 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13240 } 13241 13242 class PackageRemovedInfo { 13243 String removedPackage; 13244 int uid = -1; 13245 int removedAppId = -1; 13246 int[] removedUsers = null; 13247 boolean isRemovedPackageSystemUpdate = false; 13248 // Clean up resources deleted packages. 13249 InstallArgs args = null; 13250 13251 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13252 Bundle extras = new Bundle(1); 13253 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13254 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13255 if (replacing) { 13256 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13257 } 13258 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13259 if (removedPackage != null) { 13260 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13261 extras, 0, null, null, removedUsers); 13262 if (fullRemove && !replacing) { 13263 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13264 extras, 0, null, null, removedUsers); 13265 } 13266 } 13267 if (removedAppId >= 0) { 13268 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13269 removedUsers); 13270 } 13271 } 13272 } 13273 13274 /* 13275 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13276 * flag is not set, the data directory is removed as well. 13277 * make sure this flag is set for partially installed apps. If not its meaningless to 13278 * delete a partially installed application. 13279 */ 13280 private void removePackageDataLI(PackageSetting ps, 13281 int[] allUserHandles, boolean[] perUserInstalled, 13282 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13283 String packageName = ps.name; 13284 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13285 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13286 // Retrieve object to delete permissions for shared user later on 13287 final PackageSetting deletedPs; 13288 // reader 13289 synchronized (mPackages) { 13290 deletedPs = mSettings.mPackages.get(packageName); 13291 if (outInfo != null) { 13292 outInfo.removedPackage = packageName; 13293 outInfo.removedUsers = deletedPs != null 13294 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13295 : null; 13296 } 13297 } 13298 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13299 removeDataDirsLI(ps.volumeUuid, packageName); 13300 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13301 } 13302 // writer 13303 synchronized (mPackages) { 13304 if (deletedPs != null) { 13305 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13306 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13307 clearDefaultBrowserIfNeeded(packageName); 13308 if (outInfo != null) { 13309 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13310 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13311 } 13312 updatePermissionsLPw(deletedPs.name, null, 0); 13313 if (deletedPs.sharedUser != null) { 13314 // Remove permissions associated with package. Since runtime 13315 // permissions are per user we have to kill the removed package 13316 // or packages running under the shared user of the removed 13317 // package if revoking the permissions requested only by the removed 13318 // package is successful and this causes a change in gids. 13319 for (int userId : UserManagerService.getInstance().getUserIds()) { 13320 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13321 userId); 13322 if (userIdToKill == UserHandle.USER_ALL 13323 || userIdToKill >= UserHandle.USER_SYSTEM) { 13324 // If gids changed for this user, kill all affected packages. 13325 mHandler.post(new Runnable() { 13326 @Override 13327 public void run() { 13328 // This has to happen with no lock held. 13329 killApplication(deletedPs.name, deletedPs.appId, 13330 KILL_APP_REASON_GIDS_CHANGED); 13331 } 13332 }); 13333 break; 13334 } 13335 } 13336 } 13337 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13338 } 13339 // make sure to preserve per-user disabled state if this removal was just 13340 // a downgrade of a system app to the factory package 13341 if (allUserHandles != null && perUserInstalled != null) { 13342 if (DEBUG_REMOVE) { 13343 Slog.d(TAG, "Propagating install state across downgrade"); 13344 } 13345 for (int i = 0; i < allUserHandles.length; i++) { 13346 if (DEBUG_REMOVE) { 13347 Slog.d(TAG, " user " + allUserHandles[i] 13348 + " => " + perUserInstalled[i]); 13349 } 13350 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13351 } 13352 } 13353 } 13354 // can downgrade to reader 13355 if (writeSettings) { 13356 // Save settings now 13357 mSettings.writeLPr(); 13358 } 13359 } 13360 if (outInfo != null) { 13361 // A user ID was deleted here. Go through all users and remove it 13362 // from KeyStore. 13363 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13364 } 13365 } 13366 13367 static boolean locationIsPrivileged(File path) { 13368 try { 13369 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13370 .getCanonicalPath(); 13371 return path.getCanonicalPath().startsWith(privilegedAppDir); 13372 } catch (IOException e) { 13373 Slog.e(TAG, "Unable to access code path " + path); 13374 } 13375 return false; 13376 } 13377 13378 /* 13379 * Tries to delete system package. 13380 */ 13381 private boolean deleteSystemPackageLI(PackageSetting newPs, 13382 int[] allUserHandles, boolean[] perUserInstalled, 13383 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13384 final boolean applyUserRestrictions 13385 = (allUserHandles != null) && (perUserInstalled != null); 13386 PackageSetting disabledPs = null; 13387 // Confirm if the system package has been updated 13388 // An updated system app can be deleted. This will also have to restore 13389 // the system pkg from system partition 13390 // reader 13391 synchronized (mPackages) { 13392 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13393 } 13394 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13395 + " disabledPs=" + disabledPs); 13396 if (disabledPs == null) { 13397 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13398 return false; 13399 } else if (DEBUG_REMOVE) { 13400 Slog.d(TAG, "Deleting system pkg from data partition"); 13401 } 13402 if (DEBUG_REMOVE) { 13403 if (applyUserRestrictions) { 13404 Slog.d(TAG, "Remembering install states:"); 13405 for (int i = 0; i < allUserHandles.length; i++) { 13406 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13407 } 13408 } 13409 } 13410 // Delete the updated package 13411 outInfo.isRemovedPackageSystemUpdate = true; 13412 if (disabledPs.versionCode < newPs.versionCode) { 13413 // Delete data for downgrades 13414 flags &= ~PackageManager.DELETE_KEEP_DATA; 13415 } else { 13416 // Preserve data by setting flag 13417 flags |= PackageManager.DELETE_KEEP_DATA; 13418 } 13419 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13420 allUserHandles, perUserInstalled, outInfo, writeSettings); 13421 if (!ret) { 13422 return false; 13423 } 13424 // writer 13425 synchronized (mPackages) { 13426 // Reinstate the old system package 13427 mSettings.enableSystemPackageLPw(newPs.name); 13428 // Remove any native libraries from the upgraded package. 13429 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13430 } 13431 // Install the system package 13432 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13433 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13434 if (locationIsPrivileged(disabledPs.codePath)) { 13435 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13436 } 13437 13438 final PackageParser.Package newPkg; 13439 try { 13440 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13441 } catch (PackageManagerException e) { 13442 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13443 return false; 13444 } 13445 13446 // writer 13447 synchronized (mPackages) { 13448 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13449 13450 // Propagate the permissions state as we do not want to drop on the floor 13451 // runtime permissions. The update permissions method below will take 13452 // care of removing obsolete permissions and grant install permissions. 13453 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13454 updatePermissionsLPw(newPkg.packageName, newPkg, 13455 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13456 13457 if (applyUserRestrictions) { 13458 if (DEBUG_REMOVE) { 13459 Slog.d(TAG, "Propagating install state across reinstall"); 13460 } 13461 for (int i = 0; i < allUserHandles.length; i++) { 13462 if (DEBUG_REMOVE) { 13463 Slog.d(TAG, " user " + allUserHandles[i] 13464 + " => " + perUserInstalled[i]); 13465 } 13466 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13467 13468 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13469 } 13470 // Regardless of writeSettings we need to ensure that this restriction 13471 // state propagation is persisted 13472 mSettings.writeAllUsersPackageRestrictionsLPr(); 13473 } 13474 // can downgrade to reader here 13475 if (writeSettings) { 13476 mSettings.writeLPr(); 13477 } 13478 } 13479 return true; 13480 } 13481 13482 private boolean deleteInstalledPackageLI(PackageSetting ps, 13483 boolean deleteCodeAndResources, int flags, 13484 int[] allUserHandles, boolean[] perUserInstalled, 13485 PackageRemovedInfo outInfo, boolean writeSettings) { 13486 if (outInfo != null) { 13487 outInfo.uid = ps.appId; 13488 } 13489 13490 // Delete package data from internal structures and also remove data if flag is set 13491 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13492 13493 // Delete application code and resources 13494 if (deleteCodeAndResources && (outInfo != null)) { 13495 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13496 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13497 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13498 } 13499 return true; 13500 } 13501 13502 @Override 13503 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13504 int userId) { 13505 mContext.enforceCallingOrSelfPermission( 13506 android.Manifest.permission.DELETE_PACKAGES, null); 13507 synchronized (mPackages) { 13508 PackageSetting ps = mSettings.mPackages.get(packageName); 13509 if (ps == null) { 13510 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13511 return false; 13512 } 13513 if (!ps.getInstalled(userId)) { 13514 // Can't block uninstall for an app that is not installed or enabled. 13515 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13516 return false; 13517 } 13518 ps.setBlockUninstall(blockUninstall, userId); 13519 mSettings.writePackageRestrictionsLPr(userId); 13520 } 13521 return true; 13522 } 13523 13524 @Override 13525 public boolean getBlockUninstallForUser(String packageName, int userId) { 13526 synchronized (mPackages) { 13527 PackageSetting ps = mSettings.mPackages.get(packageName); 13528 if (ps == null) { 13529 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13530 return false; 13531 } 13532 return ps.getBlockUninstall(userId); 13533 } 13534 } 13535 13536 /* 13537 * This method handles package deletion in general 13538 */ 13539 private boolean deletePackageLI(String packageName, UserHandle user, 13540 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13541 int flags, PackageRemovedInfo outInfo, 13542 boolean writeSettings) { 13543 if (packageName == null) { 13544 Slog.w(TAG, "Attempt to delete null packageName."); 13545 return false; 13546 } 13547 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13548 PackageSetting ps; 13549 boolean dataOnly = false; 13550 int removeUser = -1; 13551 int appId = -1; 13552 synchronized (mPackages) { 13553 ps = mSettings.mPackages.get(packageName); 13554 if (ps == null) { 13555 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13556 return false; 13557 } 13558 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13559 && user.getIdentifier() != UserHandle.USER_ALL) { 13560 // The caller is asking that the package only be deleted for a single 13561 // user. To do this, we just mark its uninstalled state and delete 13562 // its data. If this is a system app, we only allow this to happen if 13563 // they have set the special DELETE_SYSTEM_APP which requests different 13564 // semantics than normal for uninstalling system apps. 13565 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13566 final int userId = user.getIdentifier(); 13567 ps.setUserState(userId, 13568 COMPONENT_ENABLED_STATE_DEFAULT, 13569 false, //installed 13570 true, //stopped 13571 true, //notLaunched 13572 false, //hidden 13573 null, null, null, 13574 false, // blockUninstall 13575 ps.readUserState(userId).domainVerificationStatus, 0); 13576 if (!isSystemApp(ps)) { 13577 // Do not uninstall the APK if an app should be cached 13578 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13579 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13580 // Other user still have this package installed, so all 13581 // we need to do is clear this user's data and save that 13582 // it is uninstalled. 13583 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13584 removeUser = user.getIdentifier(); 13585 appId = ps.appId; 13586 scheduleWritePackageRestrictionsLocked(removeUser); 13587 } else { 13588 // We need to set it back to 'installed' so the uninstall 13589 // broadcasts will be sent correctly. 13590 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13591 ps.setInstalled(true, user.getIdentifier()); 13592 } 13593 } else { 13594 // This is a system app, so we assume that the 13595 // other users still have this package installed, so all 13596 // we need to do is clear this user's data and save that 13597 // it is uninstalled. 13598 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13599 removeUser = user.getIdentifier(); 13600 appId = ps.appId; 13601 scheduleWritePackageRestrictionsLocked(removeUser); 13602 } 13603 } 13604 } 13605 13606 if (removeUser >= 0) { 13607 // From above, we determined that we are deleting this only 13608 // for a single user. Continue the work here. 13609 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13610 if (outInfo != null) { 13611 outInfo.removedPackage = packageName; 13612 outInfo.removedAppId = appId; 13613 outInfo.removedUsers = new int[] {removeUser}; 13614 } 13615 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13616 removeKeystoreDataIfNeeded(removeUser, appId); 13617 schedulePackageCleaning(packageName, removeUser, false); 13618 synchronized (mPackages) { 13619 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13620 scheduleWritePackageRestrictionsLocked(removeUser); 13621 } 13622 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13623 } 13624 return true; 13625 } 13626 13627 if (dataOnly) { 13628 // Delete application data first 13629 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13630 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13631 return true; 13632 } 13633 13634 boolean ret = false; 13635 if (isSystemApp(ps)) { 13636 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13637 // When an updated system application is deleted we delete the existing resources as well and 13638 // fall back to existing code in system partition 13639 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13640 flags, outInfo, writeSettings); 13641 } else { 13642 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13643 // Kill application pre-emptively especially for apps on sd. 13644 killApplication(packageName, ps.appId, "uninstall pkg"); 13645 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13646 allUserHandles, perUserInstalled, 13647 outInfo, writeSettings); 13648 } 13649 13650 return ret; 13651 } 13652 13653 private final class ClearStorageConnection implements ServiceConnection { 13654 IMediaContainerService mContainerService; 13655 13656 @Override 13657 public void onServiceConnected(ComponentName name, IBinder service) { 13658 synchronized (this) { 13659 mContainerService = IMediaContainerService.Stub.asInterface(service); 13660 notifyAll(); 13661 } 13662 } 13663 13664 @Override 13665 public void onServiceDisconnected(ComponentName name) { 13666 } 13667 } 13668 13669 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13670 final boolean mounted; 13671 if (Environment.isExternalStorageEmulated()) { 13672 mounted = true; 13673 } else { 13674 final String status = Environment.getExternalStorageState(); 13675 13676 mounted = status.equals(Environment.MEDIA_MOUNTED) 13677 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13678 } 13679 13680 if (!mounted) { 13681 return; 13682 } 13683 13684 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13685 int[] users; 13686 if (userId == UserHandle.USER_ALL) { 13687 users = sUserManager.getUserIds(); 13688 } else { 13689 users = new int[] { userId }; 13690 } 13691 final ClearStorageConnection conn = new ClearStorageConnection(); 13692 if (mContext.bindServiceAsUser( 13693 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13694 try { 13695 for (int curUser : users) { 13696 long timeout = SystemClock.uptimeMillis() + 5000; 13697 synchronized (conn) { 13698 long now = SystemClock.uptimeMillis(); 13699 while (conn.mContainerService == null && now < timeout) { 13700 try { 13701 conn.wait(timeout - now); 13702 } catch (InterruptedException e) { 13703 } 13704 } 13705 } 13706 if (conn.mContainerService == null) { 13707 return; 13708 } 13709 13710 final UserEnvironment userEnv = new UserEnvironment(curUser); 13711 clearDirectory(conn.mContainerService, 13712 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13713 if (allData) { 13714 clearDirectory(conn.mContainerService, 13715 userEnv.buildExternalStorageAppDataDirs(packageName)); 13716 clearDirectory(conn.mContainerService, 13717 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13718 } 13719 } 13720 } finally { 13721 mContext.unbindService(conn); 13722 } 13723 } 13724 } 13725 13726 @Override 13727 public void clearApplicationUserData(final String packageName, 13728 final IPackageDataObserver observer, final int userId) { 13729 mContext.enforceCallingOrSelfPermission( 13730 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13731 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13732 // Queue up an async operation since the package deletion may take a little while. 13733 mHandler.post(new Runnable() { 13734 public void run() { 13735 mHandler.removeCallbacks(this); 13736 final boolean succeeded; 13737 synchronized (mInstallLock) { 13738 succeeded = clearApplicationUserDataLI(packageName, userId); 13739 } 13740 clearExternalStorageDataSync(packageName, userId, true); 13741 if (succeeded) { 13742 // invoke DeviceStorageMonitor's update method to clear any notifications 13743 DeviceStorageMonitorInternal 13744 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13745 if (dsm != null) { 13746 dsm.checkMemory(); 13747 } 13748 } 13749 if(observer != null) { 13750 try { 13751 observer.onRemoveCompleted(packageName, succeeded); 13752 } catch (RemoteException e) { 13753 Log.i(TAG, "Observer no longer exists."); 13754 } 13755 } //end if observer 13756 } //end run 13757 }); 13758 } 13759 13760 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13761 if (packageName == null) { 13762 Slog.w(TAG, "Attempt to delete null packageName."); 13763 return false; 13764 } 13765 13766 // Try finding details about the requested package 13767 PackageParser.Package pkg; 13768 synchronized (mPackages) { 13769 pkg = mPackages.get(packageName); 13770 if (pkg == null) { 13771 final PackageSetting ps = mSettings.mPackages.get(packageName); 13772 if (ps != null) { 13773 pkg = ps.pkg; 13774 } 13775 } 13776 13777 if (pkg == null) { 13778 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13779 return false; 13780 } 13781 13782 PackageSetting ps = (PackageSetting) pkg.mExtras; 13783 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13784 } 13785 13786 // Always delete data directories for package, even if we found no other 13787 // record of app. This helps users recover from UID mismatches without 13788 // resorting to a full data wipe. 13789 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13790 if (retCode < 0) { 13791 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13792 return false; 13793 } 13794 13795 final int appId = pkg.applicationInfo.uid; 13796 removeKeystoreDataIfNeeded(userId, appId); 13797 13798 // Create a native library symlink only if we have native libraries 13799 // and if the native libraries are 32 bit libraries. We do not provide 13800 // this symlink for 64 bit libraries. 13801 if (pkg.applicationInfo.primaryCpuAbi != null && 13802 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13803 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13804 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13805 nativeLibPath, userId) < 0) { 13806 Slog.w(TAG, "Failed linking native library dir"); 13807 return false; 13808 } 13809 } 13810 13811 return true; 13812 } 13813 13814 /** 13815 * Reverts user permission state changes (permissions and flags) in 13816 * all packages for a given user. 13817 * 13818 * @param userId The device user for which to do a reset. 13819 */ 13820 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13821 final int packageCount = mPackages.size(); 13822 for (int i = 0; i < packageCount; i++) { 13823 PackageParser.Package pkg = mPackages.valueAt(i); 13824 PackageSetting ps = (PackageSetting) pkg.mExtras; 13825 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13826 } 13827 } 13828 13829 /** 13830 * Reverts user permission state changes (permissions and flags). 13831 * 13832 * @param ps The package for which to reset. 13833 * @param userId The device user for which to do a reset. 13834 */ 13835 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13836 final PackageSetting ps, final int userId) { 13837 if (ps.pkg == null) { 13838 return; 13839 } 13840 13841 // These are flags that can change base on user actions. 13842 final int userSettableMask = FLAG_PERMISSION_USER_SET 13843 | FLAG_PERMISSION_USER_FIXED 13844 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 13845 | FLAG_PERMISSION_REVIEW_REQUIRED; 13846 13847 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13848 | FLAG_PERMISSION_POLICY_FIXED; 13849 13850 boolean writeInstallPermissions = false; 13851 boolean writeRuntimePermissions = false; 13852 13853 final int permissionCount = ps.pkg.requestedPermissions.size(); 13854 for (int i = 0; i < permissionCount; i++) { 13855 String permission = ps.pkg.requestedPermissions.get(i); 13856 13857 BasePermission bp = mSettings.mPermissions.get(permission); 13858 if (bp == null) { 13859 continue; 13860 } 13861 13862 // If shared user we just reset the state to which only this app contributed. 13863 if (ps.sharedUser != null) { 13864 boolean used = false; 13865 final int packageCount = ps.sharedUser.packages.size(); 13866 for (int j = 0; j < packageCount; j++) { 13867 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13868 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13869 && pkg.pkg.requestedPermissions.contains(permission)) { 13870 used = true; 13871 break; 13872 } 13873 } 13874 if (used) { 13875 continue; 13876 } 13877 } 13878 13879 PermissionsState permissionsState = ps.getPermissionsState(); 13880 13881 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13882 13883 // Always clear the user settable flags. 13884 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13885 bp.name) != null; 13886 // If permission review is enabled and this is a legacy app, mark the 13887 // permission as requiring a review as this is the initial state. 13888 int flags = 0; 13889 if (Build.PERMISSIONS_REVIEW_REQUIRED 13890 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 13891 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 13892 } 13893 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 13894 if (hasInstallState) { 13895 writeInstallPermissions = true; 13896 } else { 13897 writeRuntimePermissions = true; 13898 } 13899 } 13900 13901 // Below is only runtime permission handling. 13902 if (!bp.isRuntime()) { 13903 continue; 13904 } 13905 13906 // Never clobber system or policy. 13907 if ((oldFlags & policyOrSystemFlags) != 0) { 13908 continue; 13909 } 13910 13911 // If this permission was granted by default, make sure it is. 13912 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13913 if (permissionsState.grantRuntimePermission(bp, userId) 13914 != PERMISSION_OPERATION_FAILURE) { 13915 writeRuntimePermissions = true; 13916 } 13917 // If permission review is enabled the permissions for a legacy apps 13918 // are represented as constantly granted runtime ones, so don't revoke. 13919 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 13920 // Otherwise, reset the permission. 13921 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13922 switch (revokeResult) { 13923 case PERMISSION_OPERATION_SUCCESS: { 13924 writeRuntimePermissions = true; 13925 } break; 13926 13927 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13928 writeRuntimePermissions = true; 13929 final int appId = ps.appId; 13930 mHandler.post(new Runnable() { 13931 @Override 13932 public void run() { 13933 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13934 } 13935 }); 13936 } break; 13937 } 13938 } 13939 } 13940 13941 // Synchronously write as we are taking permissions away. 13942 if (writeRuntimePermissions) { 13943 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13944 } 13945 13946 // Synchronously write as we are taking permissions away. 13947 if (writeInstallPermissions) { 13948 mSettings.writeLPr(); 13949 } 13950 } 13951 13952 /** 13953 * Remove entries from the keystore daemon. Will only remove it if the 13954 * {@code appId} is valid. 13955 */ 13956 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13957 if (appId < 0) { 13958 return; 13959 } 13960 13961 final KeyStore keyStore = KeyStore.getInstance(); 13962 if (keyStore != null) { 13963 if (userId == UserHandle.USER_ALL) { 13964 for (final int individual : sUserManager.getUserIds()) { 13965 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13966 } 13967 } else { 13968 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13969 } 13970 } else { 13971 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13972 } 13973 } 13974 13975 @Override 13976 public void deleteApplicationCacheFiles(final String packageName, 13977 final IPackageDataObserver observer) { 13978 mContext.enforceCallingOrSelfPermission( 13979 android.Manifest.permission.DELETE_CACHE_FILES, null); 13980 // Queue up an async operation since the package deletion may take a little while. 13981 final int userId = UserHandle.getCallingUserId(); 13982 mHandler.post(new Runnable() { 13983 public void run() { 13984 mHandler.removeCallbacks(this); 13985 final boolean succeded; 13986 synchronized (mInstallLock) { 13987 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13988 } 13989 clearExternalStorageDataSync(packageName, userId, false); 13990 if (observer != null) { 13991 try { 13992 observer.onRemoveCompleted(packageName, succeded); 13993 } catch (RemoteException e) { 13994 Log.i(TAG, "Observer no longer exists."); 13995 } 13996 } //end if observer 13997 } //end run 13998 }); 13999 } 14000 14001 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14002 if (packageName == null) { 14003 Slog.w(TAG, "Attempt to delete null packageName."); 14004 return false; 14005 } 14006 PackageParser.Package p; 14007 synchronized (mPackages) { 14008 p = mPackages.get(packageName); 14009 } 14010 if (p == null) { 14011 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14012 return false; 14013 } 14014 final ApplicationInfo applicationInfo = p.applicationInfo; 14015 if (applicationInfo == null) { 14016 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14017 return false; 14018 } 14019 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 14020 if (retCode < 0) { 14021 Slog.w(TAG, "Couldn't remove cache files for package: " 14022 + packageName + " u" + userId); 14023 return false; 14024 } 14025 return true; 14026 } 14027 14028 @Override 14029 public void getPackageSizeInfo(final String packageName, int userHandle, 14030 final IPackageStatsObserver observer) { 14031 mContext.enforceCallingOrSelfPermission( 14032 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14033 if (packageName == null) { 14034 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14035 } 14036 14037 PackageStats stats = new PackageStats(packageName, userHandle); 14038 14039 /* 14040 * Queue up an async operation since the package measurement may take a 14041 * little while. 14042 */ 14043 Message msg = mHandler.obtainMessage(INIT_COPY); 14044 msg.obj = new MeasureParams(stats, observer); 14045 mHandler.sendMessage(msg); 14046 } 14047 14048 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14049 PackageStats pStats) { 14050 if (packageName == null) { 14051 Slog.w(TAG, "Attempt to get size of null packageName."); 14052 return false; 14053 } 14054 PackageParser.Package p; 14055 boolean dataOnly = false; 14056 String libDirRoot = null; 14057 String asecPath = null; 14058 PackageSetting ps = null; 14059 synchronized (mPackages) { 14060 p = mPackages.get(packageName); 14061 ps = mSettings.mPackages.get(packageName); 14062 if(p == null) { 14063 dataOnly = true; 14064 if((ps == null) || (ps.pkg == null)) { 14065 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14066 return false; 14067 } 14068 p = ps.pkg; 14069 } 14070 if (ps != null) { 14071 libDirRoot = ps.legacyNativeLibraryPathString; 14072 } 14073 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14074 final long token = Binder.clearCallingIdentity(); 14075 try { 14076 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14077 if (secureContainerId != null) { 14078 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14079 } 14080 } finally { 14081 Binder.restoreCallingIdentity(token); 14082 } 14083 } 14084 } 14085 String publicSrcDir = null; 14086 if(!dataOnly) { 14087 final ApplicationInfo applicationInfo = p.applicationInfo; 14088 if (applicationInfo == null) { 14089 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14090 return false; 14091 } 14092 if (p.isForwardLocked()) { 14093 publicSrcDir = applicationInfo.getBaseResourcePath(); 14094 } 14095 } 14096 // TODO: extend to measure size of split APKs 14097 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14098 // not just the first level. 14099 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14100 // just the primary. 14101 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14102 14103 String apkPath; 14104 File packageDir = new File(p.codePath); 14105 14106 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14107 apkPath = packageDir.getAbsolutePath(); 14108 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14109 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14110 libDirRoot = null; 14111 } 14112 } else { 14113 apkPath = p.baseCodePath; 14114 } 14115 14116 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 14117 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14118 if (res < 0) { 14119 return false; 14120 } 14121 14122 // Fix-up for forward-locked applications in ASEC containers. 14123 if (!isExternal(p)) { 14124 pStats.codeSize += pStats.externalCodeSize; 14125 pStats.externalCodeSize = 0L; 14126 } 14127 14128 return true; 14129 } 14130 14131 14132 @Override 14133 public void addPackageToPreferred(String packageName) { 14134 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14135 } 14136 14137 @Override 14138 public void removePackageFromPreferred(String packageName) { 14139 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14140 } 14141 14142 @Override 14143 public List<PackageInfo> getPreferredPackages(int flags) { 14144 return new ArrayList<PackageInfo>(); 14145 } 14146 14147 private int getUidTargetSdkVersionLockedLPr(int uid) { 14148 Object obj = mSettings.getUserIdLPr(uid); 14149 if (obj instanceof SharedUserSetting) { 14150 final SharedUserSetting sus = (SharedUserSetting) obj; 14151 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14152 final Iterator<PackageSetting> it = sus.packages.iterator(); 14153 while (it.hasNext()) { 14154 final PackageSetting ps = it.next(); 14155 if (ps.pkg != null) { 14156 int v = ps.pkg.applicationInfo.targetSdkVersion; 14157 if (v < vers) vers = v; 14158 } 14159 } 14160 return vers; 14161 } else if (obj instanceof PackageSetting) { 14162 final PackageSetting ps = (PackageSetting) obj; 14163 if (ps.pkg != null) { 14164 return ps.pkg.applicationInfo.targetSdkVersion; 14165 } 14166 } 14167 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14168 } 14169 14170 @Override 14171 public void addPreferredActivity(IntentFilter filter, int match, 14172 ComponentName[] set, ComponentName activity, int userId) { 14173 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14174 "Adding preferred"); 14175 } 14176 14177 private void addPreferredActivityInternal(IntentFilter filter, int match, 14178 ComponentName[] set, ComponentName activity, boolean always, int userId, 14179 String opname) { 14180 // writer 14181 int callingUid = Binder.getCallingUid(); 14182 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14183 if (filter.countActions() == 0) { 14184 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14185 return; 14186 } 14187 synchronized (mPackages) { 14188 if (mContext.checkCallingOrSelfPermission( 14189 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14190 != PackageManager.PERMISSION_GRANTED) { 14191 if (getUidTargetSdkVersionLockedLPr(callingUid) 14192 < Build.VERSION_CODES.FROYO) { 14193 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14194 + callingUid); 14195 return; 14196 } 14197 mContext.enforceCallingOrSelfPermission( 14198 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14199 } 14200 14201 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14202 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14203 + userId + ":"); 14204 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14205 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14206 scheduleWritePackageRestrictionsLocked(userId); 14207 } 14208 } 14209 14210 @Override 14211 public void replacePreferredActivity(IntentFilter filter, int match, 14212 ComponentName[] set, ComponentName activity, int userId) { 14213 if (filter.countActions() != 1) { 14214 throw new IllegalArgumentException( 14215 "replacePreferredActivity expects filter to have only 1 action."); 14216 } 14217 if (filter.countDataAuthorities() != 0 14218 || filter.countDataPaths() != 0 14219 || filter.countDataSchemes() > 1 14220 || filter.countDataTypes() != 0) { 14221 throw new IllegalArgumentException( 14222 "replacePreferredActivity expects filter to have no data authorities, " + 14223 "paths, or types; and at most one scheme."); 14224 } 14225 14226 final int callingUid = Binder.getCallingUid(); 14227 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14228 synchronized (mPackages) { 14229 if (mContext.checkCallingOrSelfPermission( 14230 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14231 != PackageManager.PERMISSION_GRANTED) { 14232 if (getUidTargetSdkVersionLockedLPr(callingUid) 14233 < Build.VERSION_CODES.FROYO) { 14234 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14235 + Binder.getCallingUid()); 14236 return; 14237 } 14238 mContext.enforceCallingOrSelfPermission( 14239 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14240 } 14241 14242 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14243 if (pir != null) { 14244 // Get all of the existing entries that exactly match this filter. 14245 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14246 if (existing != null && existing.size() == 1) { 14247 PreferredActivity cur = existing.get(0); 14248 if (DEBUG_PREFERRED) { 14249 Slog.i(TAG, "Checking replace of preferred:"); 14250 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14251 if (!cur.mPref.mAlways) { 14252 Slog.i(TAG, " -- CUR; not mAlways!"); 14253 } else { 14254 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14255 Slog.i(TAG, " -- CUR: mSet=" 14256 + Arrays.toString(cur.mPref.mSetComponents)); 14257 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14258 Slog.i(TAG, " -- NEW: mMatch=" 14259 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14260 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14261 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14262 } 14263 } 14264 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14265 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14266 && cur.mPref.sameSet(set)) { 14267 // Setting the preferred activity to what it happens to be already 14268 if (DEBUG_PREFERRED) { 14269 Slog.i(TAG, "Replacing with same preferred activity " 14270 + cur.mPref.mShortComponent + " for user " 14271 + userId + ":"); 14272 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14273 } 14274 return; 14275 } 14276 } 14277 14278 if (existing != null) { 14279 if (DEBUG_PREFERRED) { 14280 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14281 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14282 } 14283 for (int i = 0; i < existing.size(); i++) { 14284 PreferredActivity pa = existing.get(i); 14285 if (DEBUG_PREFERRED) { 14286 Slog.i(TAG, "Removing existing preferred activity " 14287 + pa.mPref.mComponent + ":"); 14288 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14289 } 14290 pir.removeFilter(pa); 14291 } 14292 } 14293 } 14294 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14295 "Replacing preferred"); 14296 } 14297 } 14298 14299 @Override 14300 public void clearPackagePreferredActivities(String packageName) { 14301 final int uid = Binder.getCallingUid(); 14302 // writer 14303 synchronized (mPackages) { 14304 PackageParser.Package pkg = mPackages.get(packageName); 14305 if (pkg == null || pkg.applicationInfo.uid != uid) { 14306 if (mContext.checkCallingOrSelfPermission( 14307 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14308 != PackageManager.PERMISSION_GRANTED) { 14309 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14310 < Build.VERSION_CODES.FROYO) { 14311 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14312 + Binder.getCallingUid()); 14313 return; 14314 } 14315 mContext.enforceCallingOrSelfPermission( 14316 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14317 } 14318 } 14319 14320 int user = UserHandle.getCallingUserId(); 14321 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14322 scheduleWritePackageRestrictionsLocked(user); 14323 } 14324 } 14325 } 14326 14327 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14328 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14329 ArrayList<PreferredActivity> removed = null; 14330 boolean changed = false; 14331 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14332 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14333 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14334 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14335 continue; 14336 } 14337 Iterator<PreferredActivity> it = pir.filterIterator(); 14338 while (it.hasNext()) { 14339 PreferredActivity pa = it.next(); 14340 // Mark entry for removal only if it matches the package name 14341 // and the entry is of type "always". 14342 if (packageName == null || 14343 (pa.mPref.mComponent.getPackageName().equals(packageName) 14344 && pa.mPref.mAlways)) { 14345 if (removed == null) { 14346 removed = new ArrayList<PreferredActivity>(); 14347 } 14348 removed.add(pa); 14349 } 14350 } 14351 if (removed != null) { 14352 for (int j=0; j<removed.size(); j++) { 14353 PreferredActivity pa = removed.get(j); 14354 pir.removeFilter(pa); 14355 } 14356 changed = true; 14357 } 14358 } 14359 return changed; 14360 } 14361 14362 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14363 private void clearIntentFilterVerificationsLPw(int userId) { 14364 final int packageCount = mPackages.size(); 14365 for (int i = 0; i < packageCount; i++) { 14366 PackageParser.Package pkg = mPackages.valueAt(i); 14367 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14368 } 14369 } 14370 14371 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14372 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14373 if (userId == UserHandle.USER_ALL) { 14374 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14375 sUserManager.getUserIds())) { 14376 for (int oneUserId : sUserManager.getUserIds()) { 14377 scheduleWritePackageRestrictionsLocked(oneUserId); 14378 } 14379 } 14380 } else { 14381 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14382 scheduleWritePackageRestrictionsLocked(userId); 14383 } 14384 } 14385 } 14386 14387 void clearDefaultBrowserIfNeeded(String packageName) { 14388 for (int oneUserId : sUserManager.getUserIds()) { 14389 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14390 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14391 if (packageName.equals(defaultBrowserPackageName)) { 14392 setDefaultBrowserPackageName(null, oneUserId); 14393 } 14394 } 14395 } 14396 14397 @Override 14398 public void resetApplicationPreferences(int userId) { 14399 mContext.enforceCallingOrSelfPermission( 14400 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14401 // writer 14402 synchronized (mPackages) { 14403 final long identity = Binder.clearCallingIdentity(); 14404 try { 14405 clearPackagePreferredActivitiesLPw(null, userId); 14406 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14407 // TODO: We have to reset the default SMS and Phone. This requires 14408 // significant refactoring to keep all default apps in the package 14409 // manager (cleaner but more work) or have the services provide 14410 // callbacks to the package manager to request a default app reset. 14411 applyFactoryDefaultBrowserLPw(userId); 14412 clearIntentFilterVerificationsLPw(userId); 14413 primeDomainVerificationsLPw(userId); 14414 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14415 scheduleWritePackageRestrictionsLocked(userId); 14416 } finally { 14417 Binder.restoreCallingIdentity(identity); 14418 } 14419 } 14420 } 14421 14422 @Override 14423 public int getPreferredActivities(List<IntentFilter> outFilters, 14424 List<ComponentName> outActivities, String packageName) { 14425 14426 int num = 0; 14427 final int userId = UserHandle.getCallingUserId(); 14428 // reader 14429 synchronized (mPackages) { 14430 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14431 if (pir != null) { 14432 final Iterator<PreferredActivity> it = pir.filterIterator(); 14433 while (it.hasNext()) { 14434 final PreferredActivity pa = it.next(); 14435 if (packageName == null 14436 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14437 && pa.mPref.mAlways)) { 14438 if (outFilters != null) { 14439 outFilters.add(new IntentFilter(pa)); 14440 } 14441 if (outActivities != null) { 14442 outActivities.add(pa.mPref.mComponent); 14443 } 14444 } 14445 } 14446 } 14447 } 14448 14449 return num; 14450 } 14451 14452 @Override 14453 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14454 int userId) { 14455 int callingUid = Binder.getCallingUid(); 14456 if (callingUid != Process.SYSTEM_UID) { 14457 throw new SecurityException( 14458 "addPersistentPreferredActivity can only be run by the system"); 14459 } 14460 if (filter.countActions() == 0) { 14461 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14462 return; 14463 } 14464 synchronized (mPackages) { 14465 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14466 " :"); 14467 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14468 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14469 new PersistentPreferredActivity(filter, activity)); 14470 scheduleWritePackageRestrictionsLocked(userId); 14471 } 14472 } 14473 14474 @Override 14475 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14476 int callingUid = Binder.getCallingUid(); 14477 if (callingUid != Process.SYSTEM_UID) { 14478 throw new SecurityException( 14479 "clearPackagePersistentPreferredActivities can only be run by the system"); 14480 } 14481 ArrayList<PersistentPreferredActivity> removed = null; 14482 boolean changed = false; 14483 synchronized (mPackages) { 14484 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14485 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14486 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14487 .valueAt(i); 14488 if (userId != thisUserId) { 14489 continue; 14490 } 14491 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14492 while (it.hasNext()) { 14493 PersistentPreferredActivity ppa = it.next(); 14494 // Mark entry for removal only if it matches the package name. 14495 if (ppa.mComponent.getPackageName().equals(packageName)) { 14496 if (removed == null) { 14497 removed = new ArrayList<PersistentPreferredActivity>(); 14498 } 14499 removed.add(ppa); 14500 } 14501 } 14502 if (removed != null) { 14503 for (int j=0; j<removed.size(); j++) { 14504 PersistentPreferredActivity ppa = removed.get(j); 14505 ppir.removeFilter(ppa); 14506 } 14507 changed = true; 14508 } 14509 } 14510 14511 if (changed) { 14512 scheduleWritePackageRestrictionsLocked(userId); 14513 } 14514 } 14515 } 14516 14517 /** 14518 * Common machinery for picking apart a restored XML blob and passing 14519 * it to a caller-supplied functor to be applied to the running system. 14520 */ 14521 private void restoreFromXml(XmlPullParser parser, int userId, 14522 String expectedStartTag, BlobXmlRestorer functor) 14523 throws IOException, XmlPullParserException { 14524 int type; 14525 while ((type = parser.next()) != XmlPullParser.START_TAG 14526 && type != XmlPullParser.END_DOCUMENT) { 14527 } 14528 if (type != XmlPullParser.START_TAG) { 14529 // oops didn't find a start tag?! 14530 if (DEBUG_BACKUP) { 14531 Slog.e(TAG, "Didn't find start tag during restore"); 14532 } 14533 return; 14534 } 14535 14536 // this is supposed to be TAG_PREFERRED_BACKUP 14537 if (!expectedStartTag.equals(parser.getName())) { 14538 if (DEBUG_BACKUP) { 14539 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14540 } 14541 return; 14542 } 14543 14544 // skip interfering stuff, then we're aligned with the backing implementation 14545 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14546 functor.apply(parser, userId); 14547 } 14548 14549 private interface BlobXmlRestorer { 14550 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14551 } 14552 14553 /** 14554 * Non-Binder method, support for the backup/restore mechanism: write the 14555 * full set of preferred activities in its canonical XML format. Returns the 14556 * XML output as a byte array, or null if there is none. 14557 */ 14558 @Override 14559 public byte[] getPreferredActivityBackup(int userId) { 14560 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14561 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14562 } 14563 14564 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14565 try { 14566 final XmlSerializer serializer = new FastXmlSerializer(); 14567 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14568 serializer.startDocument(null, true); 14569 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14570 14571 synchronized (mPackages) { 14572 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14573 } 14574 14575 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14576 serializer.endDocument(); 14577 serializer.flush(); 14578 } catch (Exception e) { 14579 if (DEBUG_BACKUP) { 14580 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14581 } 14582 return null; 14583 } 14584 14585 return dataStream.toByteArray(); 14586 } 14587 14588 @Override 14589 public void restorePreferredActivities(byte[] backup, int userId) { 14590 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14591 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14592 } 14593 14594 try { 14595 final XmlPullParser parser = Xml.newPullParser(); 14596 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14597 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14598 new BlobXmlRestorer() { 14599 @Override 14600 public void apply(XmlPullParser parser, int userId) 14601 throws XmlPullParserException, IOException { 14602 synchronized (mPackages) { 14603 mSettings.readPreferredActivitiesLPw(parser, userId); 14604 } 14605 } 14606 } ); 14607 } catch (Exception e) { 14608 if (DEBUG_BACKUP) { 14609 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14610 } 14611 } 14612 } 14613 14614 /** 14615 * Non-Binder method, support for the backup/restore mechanism: write the 14616 * default browser (etc) settings in its canonical XML format. Returns the default 14617 * browser XML representation as a byte array, or null if there is none. 14618 */ 14619 @Override 14620 public byte[] getDefaultAppsBackup(int userId) { 14621 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14622 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14623 } 14624 14625 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14626 try { 14627 final XmlSerializer serializer = new FastXmlSerializer(); 14628 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14629 serializer.startDocument(null, true); 14630 serializer.startTag(null, TAG_DEFAULT_APPS); 14631 14632 synchronized (mPackages) { 14633 mSettings.writeDefaultAppsLPr(serializer, userId); 14634 } 14635 14636 serializer.endTag(null, TAG_DEFAULT_APPS); 14637 serializer.endDocument(); 14638 serializer.flush(); 14639 } catch (Exception e) { 14640 if (DEBUG_BACKUP) { 14641 Slog.e(TAG, "Unable to write default apps for backup", e); 14642 } 14643 return null; 14644 } 14645 14646 return dataStream.toByteArray(); 14647 } 14648 14649 @Override 14650 public void restoreDefaultApps(byte[] backup, int userId) { 14651 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14652 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14653 } 14654 14655 try { 14656 final XmlPullParser parser = Xml.newPullParser(); 14657 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14658 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14659 new BlobXmlRestorer() { 14660 @Override 14661 public void apply(XmlPullParser parser, int userId) 14662 throws XmlPullParserException, IOException { 14663 synchronized (mPackages) { 14664 mSettings.readDefaultAppsLPw(parser, userId); 14665 } 14666 } 14667 } ); 14668 } catch (Exception e) { 14669 if (DEBUG_BACKUP) { 14670 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14671 } 14672 } 14673 } 14674 14675 @Override 14676 public byte[] getIntentFilterVerificationBackup(int userId) { 14677 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14678 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14679 } 14680 14681 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14682 try { 14683 final XmlSerializer serializer = new FastXmlSerializer(); 14684 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14685 serializer.startDocument(null, true); 14686 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14687 14688 synchronized (mPackages) { 14689 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14690 } 14691 14692 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14693 serializer.endDocument(); 14694 serializer.flush(); 14695 } catch (Exception e) { 14696 if (DEBUG_BACKUP) { 14697 Slog.e(TAG, "Unable to write default apps for backup", e); 14698 } 14699 return null; 14700 } 14701 14702 return dataStream.toByteArray(); 14703 } 14704 14705 @Override 14706 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14707 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14708 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14709 } 14710 14711 try { 14712 final XmlPullParser parser = Xml.newPullParser(); 14713 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14714 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14715 new BlobXmlRestorer() { 14716 @Override 14717 public void apply(XmlPullParser parser, int userId) 14718 throws XmlPullParserException, IOException { 14719 synchronized (mPackages) { 14720 mSettings.readAllDomainVerificationsLPr(parser, userId); 14721 mSettings.writeLPr(); 14722 } 14723 } 14724 } ); 14725 } catch (Exception e) { 14726 if (DEBUG_BACKUP) { 14727 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14728 } 14729 } 14730 } 14731 14732 @Override 14733 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14734 int sourceUserId, int targetUserId, int flags) { 14735 mContext.enforceCallingOrSelfPermission( 14736 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14737 int callingUid = Binder.getCallingUid(); 14738 enforceOwnerRights(ownerPackage, callingUid); 14739 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14740 if (intentFilter.countActions() == 0) { 14741 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14742 return; 14743 } 14744 synchronized (mPackages) { 14745 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14746 ownerPackage, targetUserId, flags); 14747 CrossProfileIntentResolver resolver = 14748 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14749 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14750 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14751 if (existing != null) { 14752 int size = existing.size(); 14753 for (int i = 0; i < size; i++) { 14754 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14755 return; 14756 } 14757 } 14758 } 14759 resolver.addFilter(newFilter); 14760 scheduleWritePackageRestrictionsLocked(sourceUserId); 14761 } 14762 } 14763 14764 @Override 14765 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14766 mContext.enforceCallingOrSelfPermission( 14767 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14768 int callingUid = Binder.getCallingUid(); 14769 enforceOwnerRights(ownerPackage, callingUid); 14770 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14771 synchronized (mPackages) { 14772 CrossProfileIntentResolver resolver = 14773 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14774 ArraySet<CrossProfileIntentFilter> set = 14775 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14776 for (CrossProfileIntentFilter filter : set) { 14777 if (filter.getOwnerPackage().equals(ownerPackage)) { 14778 resolver.removeFilter(filter); 14779 } 14780 } 14781 scheduleWritePackageRestrictionsLocked(sourceUserId); 14782 } 14783 } 14784 14785 // Enforcing that callingUid is owning pkg on userId 14786 private void enforceOwnerRights(String pkg, int callingUid) { 14787 // The system owns everything. 14788 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14789 return; 14790 } 14791 int callingUserId = UserHandle.getUserId(callingUid); 14792 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14793 if (pi == null) { 14794 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14795 + callingUserId); 14796 } 14797 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14798 throw new SecurityException("Calling uid " + callingUid 14799 + " does not own package " + pkg); 14800 } 14801 } 14802 14803 @Override 14804 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14805 Intent intent = new Intent(Intent.ACTION_MAIN); 14806 intent.addCategory(Intent.CATEGORY_HOME); 14807 14808 final int callingUserId = UserHandle.getCallingUserId(); 14809 List<ResolveInfo> list = queryIntentActivities(intent, null, 14810 PackageManager.GET_META_DATA, callingUserId); 14811 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14812 true, false, false, callingUserId); 14813 14814 allHomeCandidates.clear(); 14815 if (list != null) { 14816 for (ResolveInfo ri : list) { 14817 allHomeCandidates.add(ri); 14818 } 14819 } 14820 return (preferred == null || preferred.activityInfo == null) 14821 ? null 14822 : new ComponentName(preferred.activityInfo.packageName, 14823 preferred.activityInfo.name); 14824 } 14825 14826 @Override 14827 public void setApplicationEnabledSetting(String appPackageName, 14828 int newState, int flags, int userId, String callingPackage) { 14829 if (!sUserManager.exists(userId)) return; 14830 if (callingPackage == null) { 14831 callingPackage = Integer.toString(Binder.getCallingUid()); 14832 } 14833 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14834 } 14835 14836 @Override 14837 public void setComponentEnabledSetting(ComponentName componentName, 14838 int newState, int flags, int userId) { 14839 if (!sUserManager.exists(userId)) return; 14840 setEnabledSetting(componentName.getPackageName(), 14841 componentName.getClassName(), newState, flags, userId, null); 14842 } 14843 14844 private void setEnabledSetting(final String packageName, String className, int newState, 14845 final int flags, int userId, String callingPackage) { 14846 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14847 || newState == COMPONENT_ENABLED_STATE_ENABLED 14848 || newState == COMPONENT_ENABLED_STATE_DISABLED 14849 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14850 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14851 throw new IllegalArgumentException("Invalid new component state: " 14852 + newState); 14853 } 14854 PackageSetting pkgSetting; 14855 final int uid = Binder.getCallingUid(); 14856 final int permission = mContext.checkCallingOrSelfPermission( 14857 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14858 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14859 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14860 boolean sendNow = false; 14861 boolean isApp = (className == null); 14862 String componentName = isApp ? packageName : className; 14863 int packageUid = -1; 14864 ArrayList<String> components; 14865 14866 // writer 14867 synchronized (mPackages) { 14868 pkgSetting = mSettings.mPackages.get(packageName); 14869 if (pkgSetting == null) { 14870 if (className == null) { 14871 throw new IllegalArgumentException( 14872 "Unknown package: " + packageName); 14873 } 14874 throw new IllegalArgumentException( 14875 "Unknown component: " + packageName 14876 + "/" + className); 14877 } 14878 // Allow root and verify that userId is not being specified by a different user 14879 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14880 throw new SecurityException( 14881 "Permission Denial: attempt to change component state from pid=" 14882 + Binder.getCallingPid() 14883 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14884 } 14885 if (className == null) { 14886 // We're dealing with an application/package level state change 14887 if (pkgSetting.getEnabled(userId) == newState) { 14888 // Nothing to do 14889 return; 14890 } 14891 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14892 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14893 // Don't care about who enables an app. 14894 callingPackage = null; 14895 } 14896 pkgSetting.setEnabled(newState, userId, callingPackage); 14897 // pkgSetting.pkg.mSetEnabled = newState; 14898 } else { 14899 // We're dealing with a component level state change 14900 // First, verify that this is a valid class name. 14901 PackageParser.Package pkg = pkgSetting.pkg; 14902 if (pkg == null || !pkg.hasComponentClassName(className)) { 14903 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14904 throw new IllegalArgumentException("Component class " + className 14905 + " does not exist in " + packageName); 14906 } else { 14907 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14908 + className + " does not exist in " + packageName); 14909 } 14910 } 14911 switch (newState) { 14912 case COMPONENT_ENABLED_STATE_ENABLED: 14913 if (!pkgSetting.enableComponentLPw(className, userId)) { 14914 return; 14915 } 14916 break; 14917 case COMPONENT_ENABLED_STATE_DISABLED: 14918 if (!pkgSetting.disableComponentLPw(className, userId)) { 14919 return; 14920 } 14921 break; 14922 case COMPONENT_ENABLED_STATE_DEFAULT: 14923 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14924 return; 14925 } 14926 break; 14927 default: 14928 Slog.e(TAG, "Invalid new component state: " + newState); 14929 return; 14930 } 14931 } 14932 scheduleWritePackageRestrictionsLocked(userId); 14933 components = mPendingBroadcasts.get(userId, packageName); 14934 final boolean newPackage = components == null; 14935 if (newPackage) { 14936 components = new ArrayList<String>(); 14937 } 14938 if (!components.contains(componentName)) { 14939 components.add(componentName); 14940 } 14941 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14942 sendNow = true; 14943 // Purge entry from pending broadcast list if another one exists already 14944 // since we are sending one right away. 14945 mPendingBroadcasts.remove(userId, packageName); 14946 } else { 14947 if (newPackage) { 14948 mPendingBroadcasts.put(userId, packageName, components); 14949 } 14950 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14951 // Schedule a message 14952 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14953 } 14954 } 14955 } 14956 14957 long callingId = Binder.clearCallingIdentity(); 14958 try { 14959 if (sendNow) { 14960 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14961 sendPackageChangedBroadcast(packageName, 14962 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14963 } 14964 } finally { 14965 Binder.restoreCallingIdentity(callingId); 14966 } 14967 } 14968 14969 private void sendPackageChangedBroadcast(String packageName, 14970 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14971 if (DEBUG_INSTALL) 14972 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14973 + componentNames); 14974 Bundle extras = new Bundle(4); 14975 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14976 String nameList[] = new String[componentNames.size()]; 14977 componentNames.toArray(nameList); 14978 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14979 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14980 extras.putInt(Intent.EXTRA_UID, packageUid); 14981 // If this is not reporting a change of the overall package, then only send it 14982 // to registered receivers. We don't want to launch a swath of apps for every 14983 // little component state change. 14984 final int flags = !componentNames.contains(packageName) 14985 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 14986 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 14987 new int[] {UserHandle.getUserId(packageUid)}); 14988 } 14989 14990 @Override 14991 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14992 if (!sUserManager.exists(userId)) return; 14993 final int uid = Binder.getCallingUid(); 14994 final int permission = mContext.checkCallingOrSelfPermission( 14995 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14996 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14997 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14998 // writer 14999 synchronized (mPackages) { 15000 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15001 allowedByPermission, uid, userId)) { 15002 scheduleWritePackageRestrictionsLocked(userId); 15003 } 15004 } 15005 } 15006 15007 @Override 15008 public String getInstallerPackageName(String packageName) { 15009 // reader 15010 synchronized (mPackages) { 15011 return mSettings.getInstallerPackageNameLPr(packageName); 15012 } 15013 } 15014 15015 @Override 15016 public int getApplicationEnabledSetting(String packageName, int userId) { 15017 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15018 int uid = Binder.getCallingUid(); 15019 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15020 // reader 15021 synchronized (mPackages) { 15022 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15023 } 15024 } 15025 15026 @Override 15027 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15028 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15029 int uid = Binder.getCallingUid(); 15030 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15031 // reader 15032 synchronized (mPackages) { 15033 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15034 } 15035 } 15036 15037 @Override 15038 public void enterSafeMode() { 15039 enforceSystemOrRoot("Only the system can request entering safe mode"); 15040 15041 if (!mSystemReady) { 15042 mSafeMode = true; 15043 } 15044 } 15045 15046 @Override 15047 public void systemReady() { 15048 mSystemReady = true; 15049 15050 // Read the compatibilty setting when the system is ready. 15051 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15052 mContext.getContentResolver(), 15053 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15054 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15055 if (DEBUG_SETTINGS) { 15056 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15057 } 15058 15059 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15060 15061 synchronized (mPackages) { 15062 // Verify that all of the preferred activity components actually 15063 // exist. It is possible for applications to be updated and at 15064 // that point remove a previously declared activity component that 15065 // had been set as a preferred activity. We try to clean this up 15066 // the next time we encounter that preferred activity, but it is 15067 // possible for the user flow to never be able to return to that 15068 // situation so here we do a sanity check to make sure we haven't 15069 // left any junk around. 15070 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15071 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15072 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15073 removed.clear(); 15074 for (PreferredActivity pa : pir.filterSet()) { 15075 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15076 removed.add(pa); 15077 } 15078 } 15079 if (removed.size() > 0) { 15080 for (int r=0; r<removed.size(); r++) { 15081 PreferredActivity pa = removed.get(r); 15082 Slog.w(TAG, "Removing dangling preferred activity: " 15083 + pa.mPref.mComponent); 15084 pir.removeFilter(pa); 15085 } 15086 mSettings.writePackageRestrictionsLPr( 15087 mSettings.mPreferredActivities.keyAt(i)); 15088 } 15089 } 15090 15091 for (int userId : UserManagerService.getInstance().getUserIds()) { 15092 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15093 grantPermissionsUserIds = ArrayUtils.appendInt( 15094 grantPermissionsUserIds, userId); 15095 } 15096 } 15097 } 15098 sUserManager.systemReady(); 15099 15100 // If we upgraded grant all default permissions before kicking off. 15101 for (int userId : grantPermissionsUserIds) { 15102 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15103 } 15104 15105 // Kick off any messages waiting for system ready 15106 if (mPostSystemReadyMessages != null) { 15107 for (Message msg : mPostSystemReadyMessages) { 15108 msg.sendToTarget(); 15109 } 15110 mPostSystemReadyMessages = null; 15111 } 15112 15113 // Watch for external volumes that come and go over time 15114 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15115 storage.registerListener(mStorageListener); 15116 15117 mInstallerService.systemReady(); 15118 mPackageDexOptimizer.systemReady(); 15119 15120 MountServiceInternal mountServiceInternal = LocalServices.getService( 15121 MountServiceInternal.class); 15122 mountServiceInternal.addExternalStoragePolicy( 15123 new MountServiceInternal.ExternalStorageMountPolicy() { 15124 @Override 15125 public int getMountMode(int uid, String packageName) { 15126 if (Process.isIsolated(uid)) { 15127 return Zygote.MOUNT_EXTERNAL_NONE; 15128 } 15129 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15130 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15131 } 15132 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15133 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15134 } 15135 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15136 return Zygote.MOUNT_EXTERNAL_READ; 15137 } 15138 return Zygote.MOUNT_EXTERNAL_WRITE; 15139 } 15140 15141 @Override 15142 public boolean hasExternalStorage(int uid, String packageName) { 15143 return true; 15144 } 15145 }); 15146 } 15147 15148 @Override 15149 public boolean isSafeMode() { 15150 return mSafeMode; 15151 } 15152 15153 @Override 15154 public boolean hasSystemUidErrors() { 15155 return mHasSystemUidErrors; 15156 } 15157 15158 static String arrayToString(int[] array) { 15159 StringBuffer buf = new StringBuffer(128); 15160 buf.append('['); 15161 if (array != null) { 15162 for (int i=0; i<array.length; i++) { 15163 if (i > 0) buf.append(", "); 15164 buf.append(array[i]); 15165 } 15166 } 15167 buf.append(']'); 15168 return buf.toString(); 15169 } 15170 15171 static class DumpState { 15172 public static final int DUMP_LIBS = 1 << 0; 15173 public static final int DUMP_FEATURES = 1 << 1; 15174 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15175 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15176 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15177 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15178 public static final int DUMP_PERMISSIONS = 1 << 6; 15179 public static final int DUMP_PACKAGES = 1 << 7; 15180 public static final int DUMP_SHARED_USERS = 1 << 8; 15181 public static final int DUMP_MESSAGES = 1 << 9; 15182 public static final int DUMP_PROVIDERS = 1 << 10; 15183 public static final int DUMP_VERIFIERS = 1 << 11; 15184 public static final int DUMP_PREFERRED = 1 << 12; 15185 public static final int DUMP_PREFERRED_XML = 1 << 13; 15186 public static final int DUMP_KEYSETS = 1 << 14; 15187 public static final int DUMP_VERSION = 1 << 15; 15188 public static final int DUMP_INSTALLS = 1 << 16; 15189 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15190 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15191 15192 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15193 15194 private int mTypes; 15195 15196 private int mOptions; 15197 15198 private boolean mTitlePrinted; 15199 15200 private SharedUserSetting mSharedUser; 15201 15202 public boolean isDumping(int type) { 15203 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15204 return true; 15205 } 15206 15207 return (mTypes & type) != 0; 15208 } 15209 15210 public void setDump(int type) { 15211 mTypes |= type; 15212 } 15213 15214 public boolean isOptionEnabled(int option) { 15215 return (mOptions & option) != 0; 15216 } 15217 15218 public void setOptionEnabled(int option) { 15219 mOptions |= option; 15220 } 15221 15222 public boolean onTitlePrinted() { 15223 final boolean printed = mTitlePrinted; 15224 mTitlePrinted = true; 15225 return printed; 15226 } 15227 15228 public boolean getTitlePrinted() { 15229 return mTitlePrinted; 15230 } 15231 15232 public void setTitlePrinted(boolean enabled) { 15233 mTitlePrinted = enabled; 15234 } 15235 15236 public SharedUserSetting getSharedUser() { 15237 return mSharedUser; 15238 } 15239 15240 public void setSharedUser(SharedUserSetting user) { 15241 mSharedUser = user; 15242 } 15243 } 15244 15245 @Override 15246 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15247 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15248 (new PackageManagerShellCommand(this)).exec( 15249 this, in, out, err, args, resultReceiver); 15250 } 15251 15252 @Override 15253 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15254 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15255 != PackageManager.PERMISSION_GRANTED) { 15256 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15257 + Binder.getCallingPid() 15258 + ", uid=" + Binder.getCallingUid() 15259 + " without permission " 15260 + android.Manifest.permission.DUMP); 15261 return; 15262 } 15263 15264 DumpState dumpState = new DumpState(); 15265 boolean fullPreferred = false; 15266 boolean checkin = false; 15267 15268 String packageName = null; 15269 ArraySet<String> permissionNames = null; 15270 15271 int opti = 0; 15272 while (opti < args.length) { 15273 String opt = args[opti]; 15274 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15275 break; 15276 } 15277 opti++; 15278 15279 if ("-a".equals(opt)) { 15280 // Right now we only know how to print all. 15281 } else if ("-h".equals(opt)) { 15282 pw.println("Package manager dump options:"); 15283 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15284 pw.println(" --checkin: dump for a checkin"); 15285 pw.println(" -f: print details of intent filters"); 15286 pw.println(" -h: print this help"); 15287 pw.println(" cmd may be one of:"); 15288 pw.println(" l[ibraries]: list known shared libraries"); 15289 pw.println(" f[eatures]: list device features"); 15290 pw.println(" k[eysets]: print known keysets"); 15291 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15292 pw.println(" perm[issions]: dump permissions"); 15293 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15294 pw.println(" pref[erred]: print preferred package settings"); 15295 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15296 pw.println(" prov[iders]: dump content providers"); 15297 pw.println(" p[ackages]: dump installed packages"); 15298 pw.println(" s[hared-users]: dump shared user IDs"); 15299 pw.println(" m[essages]: print collected runtime messages"); 15300 pw.println(" v[erifiers]: print package verifier info"); 15301 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15302 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15303 pw.println(" version: print database version info"); 15304 pw.println(" write: write current settings now"); 15305 pw.println(" installs: details about install sessions"); 15306 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15307 pw.println(" <package.name>: info about given package"); 15308 return; 15309 } else if ("--checkin".equals(opt)) { 15310 checkin = true; 15311 } else if ("-f".equals(opt)) { 15312 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15313 } else { 15314 pw.println("Unknown argument: " + opt + "; use -h for help"); 15315 } 15316 } 15317 15318 // Is the caller requesting to dump a particular piece of data? 15319 if (opti < args.length) { 15320 String cmd = args[opti]; 15321 opti++; 15322 // Is this a package name? 15323 if ("android".equals(cmd) || cmd.contains(".")) { 15324 packageName = cmd; 15325 // When dumping a single package, we always dump all of its 15326 // filter information since the amount of data will be reasonable. 15327 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15328 } else if ("check-permission".equals(cmd)) { 15329 if (opti >= args.length) { 15330 pw.println("Error: check-permission missing permission argument"); 15331 return; 15332 } 15333 String perm = args[opti]; 15334 opti++; 15335 if (opti >= args.length) { 15336 pw.println("Error: check-permission missing package argument"); 15337 return; 15338 } 15339 String pkg = args[opti]; 15340 opti++; 15341 int user = UserHandle.getUserId(Binder.getCallingUid()); 15342 if (opti < args.length) { 15343 try { 15344 user = Integer.parseInt(args[opti]); 15345 } catch (NumberFormatException e) { 15346 pw.println("Error: check-permission user argument is not a number: " 15347 + args[opti]); 15348 return; 15349 } 15350 } 15351 pw.println(checkPermission(perm, pkg, user)); 15352 return; 15353 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15354 dumpState.setDump(DumpState.DUMP_LIBS); 15355 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15356 dumpState.setDump(DumpState.DUMP_FEATURES); 15357 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15358 if (opti >= args.length) { 15359 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15360 | DumpState.DUMP_SERVICE_RESOLVERS 15361 | DumpState.DUMP_RECEIVER_RESOLVERS 15362 | DumpState.DUMP_CONTENT_RESOLVERS); 15363 } else { 15364 while (opti < args.length) { 15365 String name = args[opti]; 15366 if ("a".equals(name) || "activity".equals(name)) { 15367 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15368 } else if ("s".equals(name) || "service".equals(name)) { 15369 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15370 } else if ("r".equals(name) || "receiver".equals(name)) { 15371 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15372 } else if ("c".equals(name) || "content".equals(name)) { 15373 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15374 } else { 15375 pw.println("Error: unknown resolver table type: " + name); 15376 return; 15377 } 15378 opti++; 15379 } 15380 } 15381 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15382 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15383 } else if ("permission".equals(cmd)) { 15384 if (opti >= args.length) { 15385 pw.println("Error: permission requires permission name"); 15386 return; 15387 } 15388 permissionNames = new ArraySet<>(); 15389 while (opti < args.length) { 15390 permissionNames.add(args[opti]); 15391 opti++; 15392 } 15393 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15394 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15395 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15396 dumpState.setDump(DumpState.DUMP_PREFERRED); 15397 } else if ("preferred-xml".equals(cmd)) { 15398 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15399 if (opti < args.length && "--full".equals(args[opti])) { 15400 fullPreferred = true; 15401 opti++; 15402 } 15403 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15404 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15405 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15406 dumpState.setDump(DumpState.DUMP_PACKAGES); 15407 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15408 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15409 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15410 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15411 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15412 dumpState.setDump(DumpState.DUMP_MESSAGES); 15413 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15414 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15415 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15416 || "intent-filter-verifiers".equals(cmd)) { 15417 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15418 } else if ("version".equals(cmd)) { 15419 dumpState.setDump(DumpState.DUMP_VERSION); 15420 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15421 dumpState.setDump(DumpState.DUMP_KEYSETS); 15422 } else if ("installs".equals(cmd)) { 15423 dumpState.setDump(DumpState.DUMP_INSTALLS); 15424 } else if ("write".equals(cmd)) { 15425 synchronized (mPackages) { 15426 mSettings.writeLPr(); 15427 pw.println("Settings written."); 15428 return; 15429 } 15430 } 15431 } 15432 15433 if (checkin) { 15434 pw.println("vers,1"); 15435 } 15436 15437 // reader 15438 synchronized (mPackages) { 15439 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15440 if (!checkin) { 15441 if (dumpState.onTitlePrinted()) 15442 pw.println(); 15443 pw.println("Database versions:"); 15444 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15445 } 15446 } 15447 15448 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15449 if (!checkin) { 15450 if (dumpState.onTitlePrinted()) 15451 pw.println(); 15452 pw.println("Verifiers:"); 15453 pw.print(" Required: "); 15454 pw.print(mRequiredVerifierPackage); 15455 pw.print(" (uid="); 15456 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15457 pw.println(")"); 15458 } else if (mRequiredVerifierPackage != null) { 15459 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15460 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15461 } 15462 } 15463 15464 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15465 packageName == null) { 15466 if (mIntentFilterVerifierComponent != null) { 15467 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15468 if (!checkin) { 15469 if (dumpState.onTitlePrinted()) 15470 pw.println(); 15471 pw.println("Intent Filter Verifier:"); 15472 pw.print(" Using: "); 15473 pw.print(verifierPackageName); 15474 pw.print(" (uid="); 15475 pw.print(getPackageUid(verifierPackageName, 0)); 15476 pw.println(")"); 15477 } else if (verifierPackageName != null) { 15478 pw.print("ifv,"); pw.print(verifierPackageName); 15479 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15480 } 15481 } else { 15482 pw.println(); 15483 pw.println("No Intent Filter Verifier available!"); 15484 } 15485 } 15486 15487 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15488 boolean printedHeader = false; 15489 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15490 while (it.hasNext()) { 15491 String name = it.next(); 15492 SharedLibraryEntry ent = mSharedLibraries.get(name); 15493 if (!checkin) { 15494 if (!printedHeader) { 15495 if (dumpState.onTitlePrinted()) 15496 pw.println(); 15497 pw.println("Libraries:"); 15498 printedHeader = true; 15499 } 15500 pw.print(" "); 15501 } else { 15502 pw.print("lib,"); 15503 } 15504 pw.print(name); 15505 if (!checkin) { 15506 pw.print(" -> "); 15507 } 15508 if (ent.path != null) { 15509 if (!checkin) { 15510 pw.print("(jar) "); 15511 pw.print(ent.path); 15512 } else { 15513 pw.print(",jar,"); 15514 pw.print(ent.path); 15515 } 15516 } else { 15517 if (!checkin) { 15518 pw.print("(apk) "); 15519 pw.print(ent.apk); 15520 } else { 15521 pw.print(",apk,"); 15522 pw.print(ent.apk); 15523 } 15524 } 15525 pw.println(); 15526 } 15527 } 15528 15529 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15530 if (dumpState.onTitlePrinted()) 15531 pw.println(); 15532 if (!checkin) { 15533 pw.println("Features:"); 15534 } 15535 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15536 while (it.hasNext()) { 15537 String name = it.next(); 15538 if (!checkin) { 15539 pw.print(" "); 15540 } else { 15541 pw.print("feat,"); 15542 } 15543 pw.println(name); 15544 } 15545 } 15546 15547 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15548 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15549 : "Activity Resolver Table:", " ", packageName, 15550 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15551 dumpState.setTitlePrinted(true); 15552 } 15553 } 15554 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15555 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15556 : "Receiver Resolver Table:", " ", packageName, 15557 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15558 dumpState.setTitlePrinted(true); 15559 } 15560 } 15561 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15562 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15563 : "Service Resolver Table:", " ", packageName, 15564 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15565 dumpState.setTitlePrinted(true); 15566 } 15567 } 15568 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15569 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15570 : "Provider Resolver Table:", " ", packageName, 15571 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15572 dumpState.setTitlePrinted(true); 15573 } 15574 } 15575 15576 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15577 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15578 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15579 int user = mSettings.mPreferredActivities.keyAt(i); 15580 if (pir.dump(pw, 15581 dumpState.getTitlePrinted() 15582 ? "\nPreferred Activities User " + user + ":" 15583 : "Preferred Activities User " + user + ":", " ", 15584 packageName, true, false)) { 15585 dumpState.setTitlePrinted(true); 15586 } 15587 } 15588 } 15589 15590 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15591 pw.flush(); 15592 FileOutputStream fout = new FileOutputStream(fd); 15593 BufferedOutputStream str = new BufferedOutputStream(fout); 15594 XmlSerializer serializer = new FastXmlSerializer(); 15595 try { 15596 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15597 serializer.startDocument(null, true); 15598 serializer.setFeature( 15599 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15600 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15601 serializer.endDocument(); 15602 serializer.flush(); 15603 } catch (IllegalArgumentException e) { 15604 pw.println("Failed writing: " + e); 15605 } catch (IllegalStateException e) { 15606 pw.println("Failed writing: " + e); 15607 } catch (IOException e) { 15608 pw.println("Failed writing: " + e); 15609 } 15610 } 15611 15612 if (!checkin 15613 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15614 && packageName == null) { 15615 pw.println(); 15616 int count = mSettings.mPackages.size(); 15617 if (count == 0) { 15618 pw.println("No applications!"); 15619 pw.println(); 15620 } else { 15621 final String prefix = " "; 15622 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15623 if (allPackageSettings.size() == 0) { 15624 pw.println("No domain preferred apps!"); 15625 pw.println(); 15626 } else { 15627 pw.println("App verification status:"); 15628 pw.println(); 15629 count = 0; 15630 for (PackageSetting ps : allPackageSettings) { 15631 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15632 if (ivi == null || ivi.getPackageName() == null) continue; 15633 pw.println(prefix + "Package: " + ivi.getPackageName()); 15634 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15635 pw.println(prefix + "Status: " + ivi.getStatusString()); 15636 pw.println(); 15637 count++; 15638 } 15639 if (count == 0) { 15640 pw.println(prefix + "No app verification established."); 15641 pw.println(); 15642 } 15643 for (int userId : sUserManager.getUserIds()) { 15644 pw.println("App linkages for user " + userId + ":"); 15645 pw.println(); 15646 count = 0; 15647 for (PackageSetting ps : allPackageSettings) { 15648 final long status = ps.getDomainVerificationStatusForUser(userId); 15649 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15650 continue; 15651 } 15652 pw.println(prefix + "Package: " + ps.name); 15653 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15654 String statusStr = IntentFilterVerificationInfo. 15655 getStatusStringFromValue(status); 15656 pw.println(prefix + "Status: " + statusStr); 15657 pw.println(); 15658 count++; 15659 } 15660 if (count == 0) { 15661 pw.println(prefix + "No configured app linkages."); 15662 pw.println(); 15663 } 15664 } 15665 } 15666 } 15667 } 15668 15669 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15670 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15671 if (packageName == null && permissionNames == null) { 15672 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15673 if (iperm == 0) { 15674 if (dumpState.onTitlePrinted()) 15675 pw.println(); 15676 pw.println("AppOp Permissions:"); 15677 } 15678 pw.print(" AppOp Permission "); 15679 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15680 pw.println(":"); 15681 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15682 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15683 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15684 } 15685 } 15686 } 15687 } 15688 15689 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15690 boolean printedSomething = false; 15691 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15692 if (packageName != null && !packageName.equals(p.info.packageName)) { 15693 continue; 15694 } 15695 if (!printedSomething) { 15696 if (dumpState.onTitlePrinted()) 15697 pw.println(); 15698 pw.println("Registered ContentProviders:"); 15699 printedSomething = true; 15700 } 15701 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15702 pw.print(" "); pw.println(p.toString()); 15703 } 15704 printedSomething = false; 15705 for (Map.Entry<String, PackageParser.Provider> entry : 15706 mProvidersByAuthority.entrySet()) { 15707 PackageParser.Provider p = entry.getValue(); 15708 if (packageName != null && !packageName.equals(p.info.packageName)) { 15709 continue; 15710 } 15711 if (!printedSomething) { 15712 if (dumpState.onTitlePrinted()) 15713 pw.println(); 15714 pw.println("ContentProvider Authorities:"); 15715 printedSomething = true; 15716 } 15717 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15718 pw.print(" "); pw.println(p.toString()); 15719 if (p.info != null && p.info.applicationInfo != null) { 15720 final String appInfo = p.info.applicationInfo.toString(); 15721 pw.print(" applicationInfo="); pw.println(appInfo); 15722 } 15723 } 15724 } 15725 15726 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15727 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15728 } 15729 15730 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15731 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15732 } 15733 15734 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15735 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15736 } 15737 15738 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15739 // XXX should handle packageName != null by dumping only install data that 15740 // the given package is involved with. 15741 if (dumpState.onTitlePrinted()) pw.println(); 15742 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15743 } 15744 15745 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15746 if (dumpState.onTitlePrinted()) pw.println(); 15747 mSettings.dumpReadMessagesLPr(pw, dumpState); 15748 15749 pw.println(); 15750 pw.println("Package warning messages:"); 15751 BufferedReader in = null; 15752 String line = null; 15753 try { 15754 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15755 while ((line = in.readLine()) != null) { 15756 if (line.contains("ignored: updated version")) continue; 15757 pw.println(line); 15758 } 15759 } catch (IOException ignored) { 15760 } finally { 15761 IoUtils.closeQuietly(in); 15762 } 15763 } 15764 15765 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15766 BufferedReader in = null; 15767 String line = null; 15768 try { 15769 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15770 while ((line = in.readLine()) != null) { 15771 if (line.contains("ignored: updated version")) continue; 15772 pw.print("msg,"); 15773 pw.println(line); 15774 } 15775 } catch (IOException ignored) { 15776 } finally { 15777 IoUtils.closeQuietly(in); 15778 } 15779 } 15780 } 15781 } 15782 15783 private String dumpDomainString(String packageName) { 15784 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15785 List<IntentFilter> filters = getAllIntentFilters(packageName); 15786 15787 ArraySet<String> result = new ArraySet<>(); 15788 if (iviList.size() > 0) { 15789 for (IntentFilterVerificationInfo ivi : iviList) { 15790 for (String host : ivi.getDomains()) { 15791 result.add(host); 15792 } 15793 } 15794 } 15795 if (filters != null && filters.size() > 0) { 15796 for (IntentFilter filter : filters) { 15797 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15798 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15799 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15800 result.addAll(filter.getHostsList()); 15801 } 15802 } 15803 } 15804 15805 StringBuilder sb = new StringBuilder(result.size() * 16); 15806 for (String domain : result) { 15807 if (sb.length() > 0) sb.append(" "); 15808 sb.append(domain); 15809 } 15810 return sb.toString(); 15811 } 15812 15813 // ------- apps on sdcard specific code ------- 15814 static final boolean DEBUG_SD_INSTALL = false; 15815 15816 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15817 15818 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15819 15820 private boolean mMediaMounted = false; 15821 15822 static String getEncryptKey() { 15823 try { 15824 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15825 SD_ENCRYPTION_KEYSTORE_NAME); 15826 if (sdEncKey == null) { 15827 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15828 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15829 if (sdEncKey == null) { 15830 Slog.e(TAG, "Failed to create encryption keys"); 15831 return null; 15832 } 15833 } 15834 return sdEncKey; 15835 } catch (NoSuchAlgorithmException nsae) { 15836 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15837 return null; 15838 } catch (IOException ioe) { 15839 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15840 return null; 15841 } 15842 } 15843 15844 /* 15845 * Update media status on PackageManager. 15846 */ 15847 @Override 15848 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15849 int callingUid = Binder.getCallingUid(); 15850 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15851 throw new SecurityException("Media status can only be updated by the system"); 15852 } 15853 // reader; this apparently protects mMediaMounted, but should probably 15854 // be a different lock in that case. 15855 synchronized (mPackages) { 15856 Log.i(TAG, "Updating external media status from " 15857 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15858 + (mediaStatus ? "mounted" : "unmounted")); 15859 if (DEBUG_SD_INSTALL) 15860 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15861 + ", mMediaMounted=" + mMediaMounted); 15862 if (mediaStatus == mMediaMounted) { 15863 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15864 : 0, -1); 15865 mHandler.sendMessage(msg); 15866 return; 15867 } 15868 mMediaMounted = mediaStatus; 15869 } 15870 // Queue up an async operation since the package installation may take a 15871 // little while. 15872 mHandler.post(new Runnable() { 15873 public void run() { 15874 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15875 } 15876 }); 15877 } 15878 15879 /** 15880 * Called by MountService when the initial ASECs to scan are available. 15881 * Should block until all the ASEC containers are finished being scanned. 15882 */ 15883 public void scanAvailableAsecs() { 15884 updateExternalMediaStatusInner(true, false, false); 15885 if (mShouldRestoreconData) { 15886 SELinuxMMAC.setRestoreconDone(); 15887 mShouldRestoreconData = false; 15888 } 15889 } 15890 15891 /* 15892 * Collect information of applications on external media, map them against 15893 * existing containers and update information based on current mount status. 15894 * Please note that we always have to report status if reportStatus has been 15895 * set to true especially when unloading packages. 15896 */ 15897 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15898 boolean externalStorage) { 15899 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15900 int[] uidArr = EmptyArray.INT; 15901 15902 final String[] list = PackageHelper.getSecureContainerList(); 15903 if (ArrayUtils.isEmpty(list)) { 15904 Log.i(TAG, "No secure containers found"); 15905 } else { 15906 // Process list of secure containers and categorize them 15907 // as active or stale based on their package internal state. 15908 15909 // reader 15910 synchronized (mPackages) { 15911 for (String cid : list) { 15912 // Leave stages untouched for now; installer service owns them 15913 if (PackageInstallerService.isStageName(cid)) continue; 15914 15915 if (DEBUG_SD_INSTALL) 15916 Log.i(TAG, "Processing container " + cid); 15917 String pkgName = getAsecPackageName(cid); 15918 if (pkgName == null) { 15919 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15920 continue; 15921 } 15922 if (DEBUG_SD_INSTALL) 15923 Log.i(TAG, "Looking for pkg : " + pkgName); 15924 15925 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15926 if (ps == null) { 15927 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15928 continue; 15929 } 15930 15931 /* 15932 * Skip packages that are not external if we're unmounting 15933 * external storage. 15934 */ 15935 if (externalStorage && !isMounted && !isExternal(ps)) { 15936 continue; 15937 } 15938 15939 final AsecInstallArgs args = new AsecInstallArgs(cid, 15940 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15941 // The package status is changed only if the code path 15942 // matches between settings and the container id. 15943 if (ps.codePathString != null 15944 && ps.codePathString.startsWith(args.getCodePath())) { 15945 if (DEBUG_SD_INSTALL) { 15946 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15947 + " at code path: " + ps.codePathString); 15948 } 15949 15950 // We do have a valid package installed on sdcard 15951 processCids.put(args, ps.codePathString); 15952 final int uid = ps.appId; 15953 if (uid != -1) { 15954 uidArr = ArrayUtils.appendInt(uidArr, uid); 15955 } 15956 } else { 15957 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15958 + ps.codePathString); 15959 } 15960 } 15961 } 15962 15963 Arrays.sort(uidArr); 15964 } 15965 15966 // Process packages with valid entries. 15967 if (isMounted) { 15968 if (DEBUG_SD_INSTALL) 15969 Log.i(TAG, "Loading packages"); 15970 loadMediaPackages(processCids, uidArr, externalStorage); 15971 startCleaningPackages(); 15972 mInstallerService.onSecureContainersAvailable(); 15973 } else { 15974 if (DEBUG_SD_INSTALL) 15975 Log.i(TAG, "Unloading packages"); 15976 unloadMediaPackages(processCids, uidArr, reportStatus); 15977 } 15978 } 15979 15980 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15981 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15982 final int size = infos.size(); 15983 final String[] packageNames = new String[size]; 15984 final int[] packageUids = new int[size]; 15985 for (int i = 0; i < size; i++) { 15986 final ApplicationInfo info = infos.get(i); 15987 packageNames[i] = info.packageName; 15988 packageUids[i] = info.uid; 15989 } 15990 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15991 finishedReceiver); 15992 } 15993 15994 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15995 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15996 sendResourcesChangedBroadcast(mediaStatus, replacing, 15997 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15998 } 15999 16000 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16001 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16002 int size = pkgList.length; 16003 if (size > 0) { 16004 // Send broadcasts here 16005 Bundle extras = new Bundle(); 16006 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16007 if (uidArr != null) { 16008 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16009 } 16010 if (replacing) { 16011 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16012 } 16013 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16014 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16015 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16016 } 16017 } 16018 16019 /* 16020 * Look at potentially valid container ids from processCids If package 16021 * information doesn't match the one on record or package scanning fails, 16022 * the cid is added to list of removeCids. We currently don't delete stale 16023 * containers. 16024 */ 16025 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16026 boolean externalStorage) { 16027 ArrayList<String> pkgList = new ArrayList<String>(); 16028 Set<AsecInstallArgs> keys = processCids.keySet(); 16029 16030 for (AsecInstallArgs args : keys) { 16031 String codePath = processCids.get(args); 16032 if (DEBUG_SD_INSTALL) 16033 Log.i(TAG, "Loading container : " + args.cid); 16034 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16035 try { 16036 // Make sure there are no container errors first. 16037 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16038 Slog.e(TAG, "Failed to mount cid : " + args.cid 16039 + " when installing from sdcard"); 16040 continue; 16041 } 16042 // Check code path here. 16043 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16044 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16045 + " does not match one in settings " + codePath); 16046 continue; 16047 } 16048 // Parse package 16049 int parseFlags = mDefParseFlags; 16050 if (args.isExternalAsec()) { 16051 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16052 } 16053 if (args.isFwdLocked()) { 16054 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16055 } 16056 16057 synchronized (mInstallLock) { 16058 PackageParser.Package pkg = null; 16059 try { 16060 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16061 } catch (PackageManagerException e) { 16062 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16063 } 16064 // Scan the package 16065 if (pkg != null) { 16066 /* 16067 * TODO why is the lock being held? doPostInstall is 16068 * called in other places without the lock. This needs 16069 * to be straightened out. 16070 */ 16071 // writer 16072 synchronized (mPackages) { 16073 retCode = PackageManager.INSTALL_SUCCEEDED; 16074 pkgList.add(pkg.packageName); 16075 // Post process args 16076 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16077 pkg.applicationInfo.uid); 16078 } 16079 } else { 16080 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16081 } 16082 } 16083 16084 } finally { 16085 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16086 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16087 } 16088 } 16089 } 16090 // writer 16091 synchronized (mPackages) { 16092 // If the platform SDK has changed since the last time we booted, 16093 // we need to re-grant app permission to catch any new ones that 16094 // appear. This is really a hack, and means that apps can in some 16095 // cases get permissions that the user didn't initially explicitly 16096 // allow... it would be nice to have some better way to handle 16097 // this situation. 16098 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16099 : mSettings.getInternalVersion(); 16100 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16101 : StorageManager.UUID_PRIVATE_INTERNAL; 16102 16103 int updateFlags = UPDATE_PERMISSIONS_ALL; 16104 if (ver.sdkVersion != mSdkVersion) { 16105 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16106 + mSdkVersion + "; regranting permissions for external"); 16107 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16108 } 16109 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16110 16111 // Yay, everything is now upgraded 16112 ver.forceCurrent(); 16113 16114 // can downgrade to reader 16115 // Persist settings 16116 mSettings.writeLPr(); 16117 } 16118 // Send a broadcast to let everyone know we are done processing 16119 if (pkgList.size() > 0) { 16120 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16121 } 16122 } 16123 16124 /* 16125 * Utility method to unload a list of specified containers 16126 */ 16127 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16128 // Just unmount all valid containers. 16129 for (AsecInstallArgs arg : cidArgs) { 16130 synchronized (mInstallLock) { 16131 arg.doPostDeleteLI(false); 16132 } 16133 } 16134 } 16135 16136 /* 16137 * Unload packages mounted on external media. This involves deleting package 16138 * data from internal structures, sending broadcasts about diabled packages, 16139 * gc'ing to free up references, unmounting all secure containers 16140 * corresponding to packages on external media, and posting a 16141 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16142 * that we always have to post this message if status has been requested no 16143 * matter what. 16144 */ 16145 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16146 final boolean reportStatus) { 16147 if (DEBUG_SD_INSTALL) 16148 Log.i(TAG, "unloading media packages"); 16149 ArrayList<String> pkgList = new ArrayList<String>(); 16150 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16151 final Set<AsecInstallArgs> keys = processCids.keySet(); 16152 for (AsecInstallArgs args : keys) { 16153 String pkgName = args.getPackageName(); 16154 if (DEBUG_SD_INSTALL) 16155 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16156 // Delete package internally 16157 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16158 synchronized (mInstallLock) { 16159 boolean res = deletePackageLI(pkgName, null, false, null, null, 16160 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16161 if (res) { 16162 pkgList.add(pkgName); 16163 } else { 16164 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16165 failedList.add(args); 16166 } 16167 } 16168 } 16169 16170 // reader 16171 synchronized (mPackages) { 16172 // We didn't update the settings after removing each package; 16173 // write them now for all packages. 16174 mSettings.writeLPr(); 16175 } 16176 16177 // We have to absolutely send UPDATED_MEDIA_STATUS only 16178 // after confirming that all the receivers processed the ordered 16179 // broadcast when packages get disabled, force a gc to clean things up. 16180 // and unload all the containers. 16181 if (pkgList.size() > 0) { 16182 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16183 new IIntentReceiver.Stub() { 16184 public void performReceive(Intent intent, int resultCode, String data, 16185 Bundle extras, boolean ordered, boolean sticky, 16186 int sendingUser) throws RemoteException { 16187 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16188 reportStatus ? 1 : 0, 1, keys); 16189 mHandler.sendMessage(msg); 16190 } 16191 }); 16192 } else { 16193 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16194 keys); 16195 mHandler.sendMessage(msg); 16196 } 16197 } 16198 16199 private void loadPrivatePackages(final VolumeInfo vol) { 16200 mHandler.post(new Runnable() { 16201 @Override 16202 public void run() { 16203 loadPrivatePackagesInner(vol); 16204 } 16205 }); 16206 } 16207 16208 private void loadPrivatePackagesInner(VolumeInfo vol) { 16209 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16210 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16211 16212 final VersionInfo ver; 16213 final List<PackageSetting> packages; 16214 synchronized (mPackages) { 16215 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16216 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16217 } 16218 16219 for (PackageSetting ps : packages) { 16220 synchronized (mInstallLock) { 16221 final PackageParser.Package pkg; 16222 try { 16223 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16224 loaded.add(pkg.applicationInfo); 16225 } catch (PackageManagerException e) { 16226 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16227 } 16228 16229 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16230 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16231 } 16232 } 16233 } 16234 16235 synchronized (mPackages) { 16236 int updateFlags = UPDATE_PERMISSIONS_ALL; 16237 if (ver.sdkVersion != mSdkVersion) { 16238 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16239 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16240 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16241 } 16242 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16243 16244 // Yay, everything is now upgraded 16245 ver.forceCurrent(); 16246 16247 mSettings.writeLPr(); 16248 } 16249 16250 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16251 sendResourcesChangedBroadcast(true, false, loaded, null); 16252 } 16253 16254 private void unloadPrivatePackages(final VolumeInfo vol) { 16255 mHandler.post(new Runnable() { 16256 @Override 16257 public void run() { 16258 unloadPrivatePackagesInner(vol); 16259 } 16260 }); 16261 } 16262 16263 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16264 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16265 synchronized (mInstallLock) { 16266 synchronized (mPackages) { 16267 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16268 for (PackageSetting ps : packages) { 16269 if (ps.pkg == null) continue; 16270 16271 final ApplicationInfo info = ps.pkg.applicationInfo; 16272 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16273 if (deletePackageLI(ps.name, null, false, null, null, 16274 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16275 unloaded.add(info); 16276 } else { 16277 Slog.w(TAG, "Failed to unload " + ps.codePath); 16278 } 16279 } 16280 16281 mSettings.writeLPr(); 16282 } 16283 } 16284 16285 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16286 sendResourcesChangedBroadcast(false, false, unloaded, null); 16287 } 16288 16289 /** 16290 * Examine all users present on given mounted volume, and destroy data 16291 * belonging to users that are no longer valid, or whose user ID has been 16292 * recycled. 16293 */ 16294 private void reconcileUsers(String volumeUuid) { 16295 final File[] files = FileUtils 16296 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16297 for (File file : files) { 16298 if (!file.isDirectory()) continue; 16299 16300 final int userId; 16301 final UserInfo info; 16302 try { 16303 userId = Integer.parseInt(file.getName()); 16304 info = sUserManager.getUserInfo(userId); 16305 } catch (NumberFormatException e) { 16306 Slog.w(TAG, "Invalid user directory " + file); 16307 continue; 16308 } 16309 16310 boolean destroyUser = false; 16311 if (info == null) { 16312 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16313 + " because no matching user was found"); 16314 destroyUser = true; 16315 } else { 16316 try { 16317 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16318 } catch (IOException e) { 16319 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16320 + " because we failed to enforce serial number: " + e); 16321 destroyUser = true; 16322 } 16323 } 16324 16325 if (destroyUser) { 16326 synchronized (mInstallLock) { 16327 mInstaller.removeUserDataDirs(volumeUuid, userId); 16328 } 16329 } 16330 } 16331 16332 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16333 final UserManager um = mContext.getSystemService(UserManager.class); 16334 for (UserInfo user : um.getUsers()) { 16335 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16336 if (userDir.exists()) continue; 16337 16338 try { 16339 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber); 16340 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16341 } catch (IOException e) { 16342 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16343 } 16344 } 16345 } 16346 16347 /** 16348 * Examine all apps present on given mounted volume, and destroy apps that 16349 * aren't expected, either due to uninstallation or reinstallation on 16350 * another volume. 16351 */ 16352 private void reconcileApps(String volumeUuid) { 16353 final File[] files = FileUtils 16354 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16355 for (File file : files) { 16356 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16357 && !PackageInstallerService.isStageName(file.getName()); 16358 if (!isPackage) { 16359 // Ignore entries which are not packages 16360 continue; 16361 } 16362 16363 boolean destroyApp = false; 16364 String packageName = null; 16365 try { 16366 final PackageLite pkg = PackageParser.parsePackageLite(file, 16367 PackageParser.PARSE_MUST_BE_APK); 16368 packageName = pkg.packageName; 16369 16370 synchronized (mPackages) { 16371 final PackageSetting ps = mSettings.mPackages.get(packageName); 16372 if (ps == null) { 16373 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16374 + volumeUuid + " because we found no install record"); 16375 destroyApp = true; 16376 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16377 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16378 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16379 destroyApp = true; 16380 } 16381 } 16382 16383 } catch (PackageParserException e) { 16384 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16385 destroyApp = true; 16386 } 16387 16388 if (destroyApp) { 16389 synchronized (mInstallLock) { 16390 if (packageName != null) { 16391 removeDataDirsLI(volumeUuid, packageName); 16392 } 16393 if (file.isDirectory()) { 16394 mInstaller.rmPackageDir(file.getAbsolutePath()); 16395 } else { 16396 file.delete(); 16397 } 16398 } 16399 } 16400 } 16401 } 16402 16403 private void unfreezePackage(String packageName) { 16404 synchronized (mPackages) { 16405 final PackageSetting ps = mSettings.mPackages.get(packageName); 16406 if (ps != null) { 16407 ps.frozen = false; 16408 } 16409 } 16410 } 16411 16412 @Override 16413 public int movePackage(final String packageName, final String volumeUuid) { 16414 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16415 16416 final int moveId = mNextMoveId.getAndIncrement(); 16417 mHandler.post(new Runnable() { 16418 @Override 16419 public void run() { 16420 try { 16421 movePackageInternal(packageName, volumeUuid, moveId); 16422 } catch (PackageManagerException e) { 16423 Slog.w(TAG, "Failed to move " + packageName, e); 16424 mMoveCallbacks.notifyStatusChanged(moveId, 16425 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16426 } 16427 } 16428 }); 16429 return moveId; 16430 } 16431 16432 private void movePackageInternal(final String packageName, final String volumeUuid, 16433 final int moveId) throws PackageManagerException { 16434 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16435 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16436 final PackageManager pm = mContext.getPackageManager(); 16437 16438 final boolean currentAsec; 16439 final String currentVolumeUuid; 16440 final File codeFile; 16441 final String installerPackageName; 16442 final String packageAbiOverride; 16443 final int appId; 16444 final String seinfo; 16445 final String label; 16446 16447 // reader 16448 synchronized (mPackages) { 16449 final PackageParser.Package pkg = mPackages.get(packageName); 16450 final PackageSetting ps = mSettings.mPackages.get(packageName); 16451 if (pkg == null || ps == null) { 16452 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16453 } 16454 16455 if (pkg.applicationInfo.isSystemApp()) { 16456 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16457 "Cannot move system application"); 16458 } 16459 16460 if (pkg.applicationInfo.isExternalAsec()) { 16461 currentAsec = true; 16462 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16463 } else if (pkg.applicationInfo.isForwardLocked()) { 16464 currentAsec = true; 16465 currentVolumeUuid = "forward_locked"; 16466 } else { 16467 currentAsec = false; 16468 currentVolumeUuid = ps.volumeUuid; 16469 16470 final File probe = new File(pkg.codePath); 16471 final File probeOat = new File(probe, "oat"); 16472 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16473 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16474 "Move only supported for modern cluster style installs"); 16475 } 16476 } 16477 16478 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16479 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16480 "Package already moved to " + volumeUuid); 16481 } 16482 16483 if (ps.frozen) { 16484 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16485 "Failed to move already frozen package"); 16486 } 16487 ps.frozen = true; 16488 16489 codeFile = new File(pkg.codePath); 16490 installerPackageName = ps.installerPackageName; 16491 packageAbiOverride = ps.cpuAbiOverrideString; 16492 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16493 seinfo = pkg.applicationInfo.seinfo; 16494 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16495 } 16496 16497 // Now that we're guarded by frozen state, kill app during move 16498 final long token = Binder.clearCallingIdentity(); 16499 try { 16500 killApplication(packageName, appId, "move pkg"); 16501 } finally { 16502 Binder.restoreCallingIdentity(token); 16503 } 16504 16505 final Bundle extras = new Bundle(); 16506 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16507 extras.putString(Intent.EXTRA_TITLE, label); 16508 mMoveCallbacks.notifyCreated(moveId, extras); 16509 16510 int installFlags; 16511 final boolean moveCompleteApp; 16512 final File measurePath; 16513 16514 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16515 installFlags = INSTALL_INTERNAL; 16516 moveCompleteApp = !currentAsec; 16517 measurePath = Environment.getDataAppDirectory(volumeUuid); 16518 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16519 installFlags = INSTALL_EXTERNAL; 16520 moveCompleteApp = false; 16521 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16522 } else { 16523 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16524 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16525 || !volume.isMountedWritable()) { 16526 unfreezePackage(packageName); 16527 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16528 "Move location not mounted private volume"); 16529 } 16530 16531 Preconditions.checkState(!currentAsec); 16532 16533 installFlags = INSTALL_INTERNAL; 16534 moveCompleteApp = true; 16535 measurePath = Environment.getDataAppDirectory(volumeUuid); 16536 } 16537 16538 final PackageStats stats = new PackageStats(null, -1); 16539 synchronized (mInstaller) { 16540 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16541 unfreezePackage(packageName); 16542 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16543 "Failed to measure package size"); 16544 } 16545 } 16546 16547 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16548 + stats.dataSize); 16549 16550 final long startFreeBytes = measurePath.getFreeSpace(); 16551 final long sizeBytes; 16552 if (moveCompleteApp) { 16553 sizeBytes = stats.codeSize + stats.dataSize; 16554 } else { 16555 sizeBytes = stats.codeSize; 16556 } 16557 16558 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16559 unfreezePackage(packageName); 16560 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16561 "Not enough free space to move"); 16562 } 16563 16564 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16565 16566 final CountDownLatch installedLatch = new CountDownLatch(1); 16567 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16568 @Override 16569 public void onUserActionRequired(Intent intent) throws RemoteException { 16570 throw new IllegalStateException(); 16571 } 16572 16573 @Override 16574 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16575 Bundle extras) throws RemoteException { 16576 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16577 + PackageManager.installStatusToString(returnCode, msg)); 16578 16579 installedLatch.countDown(); 16580 16581 // Regardless of success or failure of the move operation, 16582 // always unfreeze the package 16583 unfreezePackage(packageName); 16584 16585 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16586 switch (status) { 16587 case PackageInstaller.STATUS_SUCCESS: 16588 mMoveCallbacks.notifyStatusChanged(moveId, 16589 PackageManager.MOVE_SUCCEEDED); 16590 break; 16591 case PackageInstaller.STATUS_FAILURE_STORAGE: 16592 mMoveCallbacks.notifyStatusChanged(moveId, 16593 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16594 break; 16595 default: 16596 mMoveCallbacks.notifyStatusChanged(moveId, 16597 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16598 break; 16599 } 16600 } 16601 }; 16602 16603 final MoveInfo move; 16604 if (moveCompleteApp) { 16605 // Kick off a thread to report progress estimates 16606 new Thread() { 16607 @Override 16608 public void run() { 16609 while (true) { 16610 try { 16611 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16612 break; 16613 } 16614 } catch (InterruptedException ignored) { 16615 } 16616 16617 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16618 final int progress = 10 + (int) MathUtils.constrain( 16619 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16620 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16621 } 16622 } 16623 }.start(); 16624 16625 final String dataAppName = codeFile.getName(); 16626 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16627 dataAppName, appId, seinfo); 16628 } else { 16629 move = null; 16630 } 16631 16632 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16633 16634 final Message msg = mHandler.obtainMessage(INIT_COPY); 16635 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16636 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16637 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16638 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16639 msg.obj = params; 16640 16641 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16642 System.identityHashCode(msg.obj)); 16643 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16644 System.identityHashCode(msg.obj)); 16645 16646 mHandler.sendMessage(msg); 16647 } 16648 16649 @Override 16650 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16651 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16652 16653 final int realMoveId = mNextMoveId.getAndIncrement(); 16654 final Bundle extras = new Bundle(); 16655 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16656 mMoveCallbacks.notifyCreated(realMoveId, extras); 16657 16658 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16659 @Override 16660 public void onCreated(int moveId, Bundle extras) { 16661 // Ignored 16662 } 16663 16664 @Override 16665 public void onStatusChanged(int moveId, int status, long estMillis) { 16666 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16667 } 16668 }; 16669 16670 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16671 storage.setPrimaryStorageUuid(volumeUuid, callback); 16672 return realMoveId; 16673 } 16674 16675 @Override 16676 public int getMoveStatus(int moveId) { 16677 mContext.enforceCallingOrSelfPermission( 16678 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16679 return mMoveCallbacks.mLastStatus.get(moveId); 16680 } 16681 16682 @Override 16683 public void registerMoveCallback(IPackageMoveObserver callback) { 16684 mContext.enforceCallingOrSelfPermission( 16685 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16686 mMoveCallbacks.register(callback); 16687 } 16688 16689 @Override 16690 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16691 mContext.enforceCallingOrSelfPermission( 16692 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16693 mMoveCallbacks.unregister(callback); 16694 } 16695 16696 @Override 16697 public boolean setInstallLocation(int loc) { 16698 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16699 null); 16700 if (getInstallLocation() == loc) { 16701 return true; 16702 } 16703 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16704 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16705 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16706 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16707 return true; 16708 } 16709 return false; 16710 } 16711 16712 @Override 16713 public int getInstallLocation() { 16714 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16715 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16716 PackageHelper.APP_INSTALL_AUTO); 16717 } 16718 16719 /** Called by UserManagerService */ 16720 void cleanUpUser(UserManagerService userManager, int userHandle) { 16721 synchronized (mPackages) { 16722 mDirtyUsers.remove(userHandle); 16723 mUserNeedsBadging.delete(userHandle); 16724 mSettings.removeUserLPw(userHandle); 16725 mPendingBroadcasts.remove(userHandle); 16726 } 16727 synchronized (mInstallLock) { 16728 if (mInstaller != null) { 16729 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16730 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16731 final String volumeUuid = vol.getFsUuid(); 16732 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16733 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16734 } 16735 } 16736 synchronized (mPackages) { 16737 removeUnusedPackagesLILPw(userManager, userHandle); 16738 } 16739 } 16740 } 16741 16742 /** 16743 * We're removing userHandle and would like to remove any downloaded packages 16744 * that are no longer in use by any other user. 16745 * @param userHandle the user being removed 16746 */ 16747 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16748 final boolean DEBUG_CLEAN_APKS = false; 16749 int [] users = userManager.getUserIds(); 16750 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16751 while (psit.hasNext()) { 16752 PackageSetting ps = psit.next(); 16753 if (ps.pkg == null) { 16754 continue; 16755 } 16756 final String packageName = ps.pkg.packageName; 16757 // Skip over if system app 16758 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16759 continue; 16760 } 16761 if (DEBUG_CLEAN_APKS) { 16762 Slog.i(TAG, "Checking package " + packageName); 16763 } 16764 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 16765 if (keep) { 16766 if (DEBUG_CLEAN_APKS) { 16767 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 16768 } 16769 } else { 16770 for (int i = 0; i < users.length; i++) { 16771 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16772 keep = true; 16773 if (DEBUG_CLEAN_APKS) { 16774 Slog.i(TAG, " Keeping package " + packageName + " for user " 16775 + users[i]); 16776 } 16777 break; 16778 } 16779 } 16780 } 16781 if (!keep) { 16782 if (DEBUG_CLEAN_APKS) { 16783 Slog.i(TAG, " Removing package " + packageName); 16784 } 16785 mHandler.post(new Runnable() { 16786 public void run() { 16787 deletePackageX(packageName, userHandle, 0); 16788 } //end run 16789 }); 16790 } 16791 } 16792 } 16793 16794 /** Called by UserManagerService */ 16795 void createNewUser(int userHandle) { 16796 if (mInstaller != null) { 16797 synchronized (mInstallLock) { 16798 synchronized (mPackages) { 16799 mInstaller.createUserConfig(userHandle); 16800 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16801 } 16802 } 16803 synchronized (mPackages) { 16804 applyFactoryDefaultBrowserLPw(userHandle); 16805 primeDomainVerificationsLPw(userHandle); 16806 } 16807 } 16808 } 16809 16810 void newUserCreated(final int userHandle) { 16811 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16812 // If permission review for legacy apps is required, we represent 16813 // dagerous permissions for such apps as always granted runtime 16814 // permissions to keep per user flag state whether review is needed. 16815 // Hence, if a new user is added we have to propagate dangerous 16816 // permission grants for these legacy apps. 16817 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 16818 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 16819 | UPDATE_PERMISSIONS_REPLACE_ALL); 16820 } 16821 } 16822 16823 @Override 16824 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16825 mContext.enforceCallingOrSelfPermission( 16826 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16827 "Only package verification agents can read the verifier device identity"); 16828 16829 synchronized (mPackages) { 16830 return mSettings.getVerifierDeviceIdentityLPw(); 16831 } 16832 } 16833 16834 @Override 16835 public void setPermissionEnforced(String permission, boolean enforced) { 16836 // TODO: Now that we no longer change GID for storage, this should to away. 16837 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16838 "setPermissionEnforced"); 16839 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16840 synchronized (mPackages) { 16841 if (mSettings.mReadExternalStorageEnforced == null 16842 || mSettings.mReadExternalStorageEnforced != enforced) { 16843 mSettings.mReadExternalStorageEnforced = enforced; 16844 mSettings.writeLPr(); 16845 } 16846 } 16847 // kill any non-foreground processes so we restart them and 16848 // grant/revoke the GID. 16849 final IActivityManager am = ActivityManagerNative.getDefault(); 16850 if (am != null) { 16851 final long token = Binder.clearCallingIdentity(); 16852 try { 16853 am.killProcessesBelowForeground("setPermissionEnforcement"); 16854 } catch (RemoteException e) { 16855 } finally { 16856 Binder.restoreCallingIdentity(token); 16857 } 16858 } 16859 } else { 16860 throw new IllegalArgumentException("No selective enforcement for " + permission); 16861 } 16862 } 16863 16864 @Override 16865 @Deprecated 16866 public boolean isPermissionEnforced(String permission) { 16867 return true; 16868 } 16869 16870 @Override 16871 public boolean isStorageLow() { 16872 final long token = Binder.clearCallingIdentity(); 16873 try { 16874 final DeviceStorageMonitorInternal 16875 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16876 if (dsm != null) { 16877 return dsm.isMemoryLow(); 16878 } else { 16879 return false; 16880 } 16881 } finally { 16882 Binder.restoreCallingIdentity(token); 16883 } 16884 } 16885 16886 @Override 16887 public IPackageInstaller getPackageInstaller() { 16888 return mInstallerService; 16889 } 16890 16891 private boolean userNeedsBadging(int userId) { 16892 int index = mUserNeedsBadging.indexOfKey(userId); 16893 if (index < 0) { 16894 final UserInfo userInfo; 16895 final long token = Binder.clearCallingIdentity(); 16896 try { 16897 userInfo = sUserManager.getUserInfo(userId); 16898 } finally { 16899 Binder.restoreCallingIdentity(token); 16900 } 16901 final boolean b; 16902 if (userInfo != null && userInfo.isManagedProfile()) { 16903 b = true; 16904 } else { 16905 b = false; 16906 } 16907 mUserNeedsBadging.put(userId, b); 16908 return b; 16909 } 16910 return mUserNeedsBadging.valueAt(index); 16911 } 16912 16913 @Override 16914 public KeySet getKeySetByAlias(String packageName, String alias) { 16915 if (packageName == null || alias == null) { 16916 return null; 16917 } 16918 synchronized(mPackages) { 16919 final PackageParser.Package pkg = mPackages.get(packageName); 16920 if (pkg == null) { 16921 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16922 throw new IllegalArgumentException("Unknown package: " + packageName); 16923 } 16924 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16925 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16926 } 16927 } 16928 16929 @Override 16930 public KeySet getSigningKeySet(String packageName) { 16931 if (packageName == null) { 16932 return null; 16933 } 16934 synchronized(mPackages) { 16935 final PackageParser.Package pkg = mPackages.get(packageName); 16936 if (pkg == null) { 16937 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16938 throw new IllegalArgumentException("Unknown package: " + packageName); 16939 } 16940 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16941 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16942 throw new SecurityException("May not access signing KeySet of other apps."); 16943 } 16944 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16945 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16946 } 16947 } 16948 16949 @Override 16950 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16951 if (packageName == null || ks == null) { 16952 return false; 16953 } 16954 synchronized(mPackages) { 16955 final PackageParser.Package pkg = mPackages.get(packageName); 16956 if (pkg == null) { 16957 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16958 throw new IllegalArgumentException("Unknown package: " + packageName); 16959 } 16960 IBinder ksh = ks.getToken(); 16961 if (ksh instanceof KeySetHandle) { 16962 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16963 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16964 } 16965 return false; 16966 } 16967 } 16968 16969 @Override 16970 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16971 if (packageName == null || ks == null) { 16972 return false; 16973 } 16974 synchronized(mPackages) { 16975 final PackageParser.Package pkg = mPackages.get(packageName); 16976 if (pkg == null) { 16977 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16978 throw new IllegalArgumentException("Unknown package: " + packageName); 16979 } 16980 IBinder ksh = ks.getToken(); 16981 if (ksh instanceof KeySetHandle) { 16982 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16983 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16984 } 16985 return false; 16986 } 16987 } 16988 16989 private void deletePackageIfUnusedLPr(final String packageName) { 16990 PackageSetting ps = mSettings.mPackages.get(packageName); 16991 if (ps == null) { 16992 return; 16993 } 16994 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 16995 // TODO Implement atomic delete if package is unused 16996 // It is currently possible that the package will be deleted even if it is installed 16997 // after this method returns. 16998 mHandler.post(new Runnable() { 16999 public void run() { 17000 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17001 } 17002 }); 17003 } 17004 } 17005 17006 /** 17007 * Check and throw if the given before/after packages would be considered a 17008 * downgrade. 17009 */ 17010 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17011 throws PackageManagerException { 17012 if (after.versionCode < before.mVersionCode) { 17013 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17014 "Update version code " + after.versionCode + " is older than current " 17015 + before.mVersionCode); 17016 } else if (after.versionCode == before.mVersionCode) { 17017 if (after.baseRevisionCode < before.baseRevisionCode) { 17018 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17019 "Update base revision code " + after.baseRevisionCode 17020 + " is older than current " + before.baseRevisionCode); 17021 } 17022 17023 if (!ArrayUtils.isEmpty(after.splitNames)) { 17024 for (int i = 0; i < after.splitNames.length; i++) { 17025 final String splitName = after.splitNames[i]; 17026 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17027 if (j != -1) { 17028 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17029 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17030 "Update split " + splitName + " revision code " 17031 + after.splitRevisionCodes[i] + " is older than current " 17032 + before.splitRevisionCodes[j]); 17033 } 17034 } 17035 } 17036 } 17037 } 17038 } 17039 17040 private static class MoveCallbacks extends Handler { 17041 private static final int MSG_CREATED = 1; 17042 private static final int MSG_STATUS_CHANGED = 2; 17043 17044 private final RemoteCallbackList<IPackageMoveObserver> 17045 mCallbacks = new RemoteCallbackList<>(); 17046 17047 private final SparseIntArray mLastStatus = new SparseIntArray(); 17048 17049 public MoveCallbacks(Looper looper) { 17050 super(looper); 17051 } 17052 17053 public void register(IPackageMoveObserver callback) { 17054 mCallbacks.register(callback); 17055 } 17056 17057 public void unregister(IPackageMoveObserver callback) { 17058 mCallbacks.unregister(callback); 17059 } 17060 17061 @Override 17062 public void handleMessage(Message msg) { 17063 final SomeArgs args = (SomeArgs) msg.obj; 17064 final int n = mCallbacks.beginBroadcast(); 17065 for (int i = 0; i < n; i++) { 17066 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17067 try { 17068 invokeCallback(callback, msg.what, args); 17069 } catch (RemoteException ignored) { 17070 } 17071 } 17072 mCallbacks.finishBroadcast(); 17073 args.recycle(); 17074 } 17075 17076 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17077 throws RemoteException { 17078 switch (what) { 17079 case MSG_CREATED: { 17080 callback.onCreated(args.argi1, (Bundle) args.arg2); 17081 break; 17082 } 17083 case MSG_STATUS_CHANGED: { 17084 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17085 break; 17086 } 17087 } 17088 } 17089 17090 private void notifyCreated(int moveId, Bundle extras) { 17091 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17092 17093 final SomeArgs args = SomeArgs.obtain(); 17094 args.argi1 = moveId; 17095 args.arg2 = extras; 17096 obtainMessage(MSG_CREATED, args).sendToTarget(); 17097 } 17098 17099 private void notifyStatusChanged(int moveId, int status) { 17100 notifyStatusChanged(moveId, status, -1); 17101 } 17102 17103 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17104 Slog.v(TAG, "Move " + moveId + " status " + status); 17105 17106 final SomeArgs args = SomeArgs.obtain(); 17107 args.argi1 = moveId; 17108 args.argi2 = status; 17109 args.arg3 = estMillis; 17110 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17111 17112 synchronized (mLastStatus) { 17113 mLastStatus.put(moveId, status); 17114 } 17115 } 17116 } 17117 17118 private final class OnPermissionChangeListeners extends Handler { 17119 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17120 17121 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17122 new RemoteCallbackList<>(); 17123 17124 public OnPermissionChangeListeners(Looper looper) { 17125 super(looper); 17126 } 17127 17128 @Override 17129 public void handleMessage(Message msg) { 17130 switch (msg.what) { 17131 case MSG_ON_PERMISSIONS_CHANGED: { 17132 final int uid = msg.arg1; 17133 handleOnPermissionsChanged(uid); 17134 } break; 17135 } 17136 } 17137 17138 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17139 mPermissionListeners.register(listener); 17140 17141 } 17142 17143 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17144 mPermissionListeners.unregister(listener); 17145 } 17146 17147 public void onPermissionsChanged(int uid) { 17148 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17149 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17150 } 17151 } 17152 17153 private void handleOnPermissionsChanged(int uid) { 17154 final int count = mPermissionListeners.beginBroadcast(); 17155 try { 17156 for (int i = 0; i < count; i++) { 17157 IOnPermissionsChangeListener callback = mPermissionListeners 17158 .getBroadcastItem(i); 17159 try { 17160 callback.onPermissionsChanged(uid); 17161 } catch (RemoteException e) { 17162 Log.e(TAG, "Permission listener is dead", e); 17163 } 17164 } 17165 } finally { 17166 mPermissionListeners.finishBroadcast(); 17167 } 17168 } 17169 } 17170 17171 private class PackageManagerInternalImpl extends PackageManagerInternal { 17172 @Override 17173 public void setLocationPackagesProvider(PackagesProvider provider) { 17174 synchronized (mPackages) { 17175 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17176 } 17177 } 17178 17179 @Override 17180 public void setImePackagesProvider(PackagesProvider provider) { 17181 synchronized (mPackages) { 17182 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17183 } 17184 } 17185 17186 @Override 17187 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17188 synchronized (mPackages) { 17189 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17190 } 17191 } 17192 17193 @Override 17194 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17195 synchronized (mPackages) { 17196 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17197 } 17198 } 17199 17200 @Override 17201 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17202 synchronized (mPackages) { 17203 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17204 } 17205 } 17206 17207 @Override 17208 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17209 synchronized (mPackages) { 17210 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17211 } 17212 } 17213 17214 @Override 17215 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17216 synchronized (mPackages) { 17217 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17218 } 17219 } 17220 17221 @Override 17222 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17223 synchronized (mPackages) { 17224 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17225 packageName, userId); 17226 } 17227 } 17228 17229 @Override 17230 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17231 synchronized (mPackages) { 17232 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17233 packageName, userId); 17234 } 17235 } 17236 17237 @Override 17238 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17239 synchronized (mPackages) { 17240 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17241 packageName, userId); 17242 } 17243 } 17244 17245 @Override 17246 public void setKeepUninstalledPackages(final List<String> packageList) { 17247 Preconditions.checkNotNull(packageList); 17248 List<String> removedFromList = null; 17249 synchronized (mPackages) { 17250 if (mKeepUninstalledPackages != null) { 17251 final int packagesCount = mKeepUninstalledPackages.size(); 17252 for (int i = 0; i < packagesCount; i++) { 17253 String oldPackage = mKeepUninstalledPackages.get(i); 17254 if (packageList != null && packageList.contains(oldPackage)) { 17255 continue; 17256 } 17257 if (removedFromList == null) { 17258 removedFromList = new ArrayList<>(); 17259 } 17260 removedFromList.add(oldPackage); 17261 } 17262 } 17263 mKeepUninstalledPackages = new ArrayList<>(packageList); 17264 if (removedFromList != null) { 17265 final int removedCount = removedFromList.size(); 17266 for (int i = 0; i < removedCount; i++) { 17267 deletePackageIfUnusedLPr(removedFromList.get(i)); 17268 } 17269 } 17270 } 17271 } 17272 17273 @Override 17274 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17275 synchronized (mPackages) { 17276 // If we do not support permission review, done. 17277 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17278 return false; 17279 } 17280 17281 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17282 if (packageSetting == null) { 17283 return false; 17284 } 17285 17286 // Permission review applies only to apps not supporting the new permission model. 17287 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17288 return false; 17289 } 17290 17291 // Legacy apps have the permission and get user consent on launch. 17292 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17293 return permissionsState.isPermissionReviewRequired(userId); 17294 } 17295 } 17296 } 17297 17298 @Override 17299 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17300 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17301 synchronized (mPackages) { 17302 final long identity = Binder.clearCallingIdentity(); 17303 try { 17304 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17305 packageNames, userId); 17306 } finally { 17307 Binder.restoreCallingIdentity(identity); 17308 } 17309 } 17310 } 17311 17312 private static void enforceSystemOrPhoneCaller(String tag) { 17313 int callingUid = Binder.getCallingUid(); 17314 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17315 throw new SecurityException( 17316 "Cannot call " + tag + " from UID " + callingUid); 17317 } 17318 } 17319} 17320