PackageManagerService.java revision 1a350157198bd8700f1e81b8ce3f7c656f91dba9
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_REVOKE_ON_UPGRADE; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 33import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 34import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 35import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 36import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 43import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 44import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 45import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 48import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 52import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 53import static android.content.pm.PackageManager.INSTALL_INTERNAL; 54import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 55import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 60import static android.content.pm.PackageManager.MATCH_ALL; 61import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 62import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 63import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 64import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 65import static android.content.pm.PackageManager.PERMISSION_DENIED; 66import static android.content.pm.PackageManager.PERMISSION_GRANTED; 67import static android.content.pm.PackageParser.isApkFile; 68import static android.os.Process.PACKAGE_INFO_GID; 69import static android.os.Process.SYSTEM_UID; 70import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 71import static android.system.OsConstants.O_CREAT; 72import static android.system.OsConstants.O_RDWR; 73import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 74import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 75import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 76import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 77import static com.android.internal.util.ArrayUtils.appendInt; 78import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 79import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 80import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 81import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 82import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 83import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 84import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 85import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 86 87import android.Manifest; 88import android.app.ActivityManager; 89import android.app.ActivityManagerNative; 90import android.app.AppGlobals; 91import android.app.IActivityManager; 92import android.app.admin.IDevicePolicyManager; 93import android.app.backup.IBackupManager; 94import android.app.usage.UsageStats; 95import android.app.usage.UsageStatsManager; 96import android.content.BroadcastReceiver; 97import android.content.ComponentName; 98import android.content.Context; 99import android.content.IIntentReceiver; 100import android.content.Intent; 101import android.content.IntentFilter; 102import android.content.IntentSender; 103import android.content.IntentSender.SendIntentException; 104import android.content.ServiceConnection; 105import android.content.pm.ActivityInfo; 106import android.content.pm.ApplicationInfo; 107import android.content.pm.FeatureInfo; 108import android.content.pm.IOnPermissionsChangeListener; 109import android.content.pm.IPackageDataObserver; 110import android.content.pm.IPackageDeleteObserver; 111import android.content.pm.IPackageDeleteObserver2; 112import android.content.pm.IPackageInstallObserver2; 113import android.content.pm.IPackageInstaller; 114import android.content.pm.IPackageManager; 115import android.content.pm.IPackageMoveObserver; 116import android.content.pm.IPackageStatsObserver; 117import android.content.pm.InstrumentationInfo; 118import android.content.pm.IntentFilterVerificationInfo; 119import android.content.pm.KeySet; 120import android.content.pm.ManifestDigest; 121import android.content.pm.PackageCleanItem; 122import android.content.pm.PackageInfo; 123import android.content.pm.PackageInfoLite; 124import android.content.pm.PackageInstaller; 125import android.content.pm.PackageManager; 126import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 127import android.content.pm.PackageManagerInternal; 128import android.content.pm.PackageParser; 129import android.content.pm.PackageParser.ActivityIntentInfo; 130import android.content.pm.PackageParser.PackageLite; 131import android.content.pm.PackageParser.PackageParserException; 132import android.content.pm.PackageStats; 133import android.content.pm.PackageUserState; 134import android.content.pm.ParceledListSlice; 135import android.content.pm.PermissionGroupInfo; 136import android.content.pm.PermissionInfo; 137import android.content.pm.ProviderInfo; 138import android.content.pm.ResolveInfo; 139import android.content.pm.ServiceInfo; 140import android.content.pm.Signature; 141import android.content.pm.UserInfo; 142import android.content.pm.VerificationParams; 143import android.content.pm.VerifierDeviceIdentity; 144import android.content.pm.VerifierInfo; 145import android.content.res.Resources; 146import android.hardware.display.DisplayManager; 147import android.net.Uri; 148import android.os.Debug; 149import android.os.Binder; 150import android.os.Build; 151import android.os.Bundle; 152import android.os.Environment; 153import android.os.Environment.UserEnvironment; 154import android.os.FileUtils; 155import android.os.Handler; 156import android.os.IBinder; 157import android.os.Looper; 158import android.os.Message; 159import android.os.Parcel; 160import android.os.ParcelFileDescriptor; 161import android.os.Process; 162import android.os.RemoteCallbackList; 163import android.os.RemoteException; 164import android.os.SELinux; 165import android.os.ServiceManager; 166import android.os.SystemClock; 167import android.os.SystemProperties; 168import android.os.Trace; 169import android.os.UserHandle; 170import android.os.UserManager; 171import android.os.storage.IMountService; 172import android.os.storage.MountServiceInternal; 173import android.os.storage.StorageEventListener; 174import android.os.storage.StorageManager; 175import android.os.storage.VolumeInfo; 176import android.os.storage.VolumeRecord; 177import android.security.KeyStore; 178import android.security.SystemKeyStore; 179import android.system.ErrnoException; 180import android.system.Os; 181import android.system.StructStat; 182import android.text.TextUtils; 183import android.text.format.DateUtils; 184import android.util.ArrayMap; 185import android.util.ArraySet; 186import android.util.AtomicFile; 187import android.util.DisplayMetrics; 188import android.util.EventLog; 189import android.util.ExceptionUtils; 190import android.util.Log; 191import android.util.LogPrinter; 192import android.util.MathUtils; 193import android.util.PrintStreamPrinter; 194import android.util.Slog; 195import android.util.SparseArray; 196import android.util.SparseBooleanArray; 197import android.util.SparseIntArray; 198import android.util.Xml; 199import android.view.Display; 200 201import dalvik.system.DexFile; 202import dalvik.system.VMRuntime; 203 204import libcore.io.IoUtils; 205import libcore.util.EmptyArray; 206 207import com.android.internal.R; 208import com.android.internal.annotations.GuardedBy; 209import com.android.internal.app.IMediaContainerService; 210import com.android.internal.app.ResolverActivity; 211import com.android.internal.content.NativeLibraryHelper; 212import com.android.internal.content.PackageHelper; 213import com.android.internal.os.IParcelFileDescriptorFactory; 214import com.android.internal.os.SomeArgs; 215import com.android.internal.os.Zygote; 216import com.android.internal.util.ArrayUtils; 217import com.android.internal.util.FastPrintWriter; 218import com.android.internal.util.FastXmlSerializer; 219import com.android.internal.util.IndentingPrintWriter; 220import com.android.internal.util.Preconditions; 221import com.android.server.EventLogTags; 222import com.android.server.FgThread; 223import com.android.server.IntentResolver; 224import com.android.server.LocalServices; 225import com.android.server.ServiceThread; 226import com.android.server.SystemConfig; 227import com.android.server.Watchdog; 228import com.android.server.pm.PermissionsState.PermissionState; 229import com.android.server.pm.Settings.DatabaseVersion; 230import com.android.server.pm.Settings.VersionInfo; 231import com.android.server.storage.DeviceStorageMonitorInternal; 232 233import org.xmlpull.v1.XmlPullParser; 234import org.xmlpull.v1.XmlPullParserException; 235import org.xmlpull.v1.XmlSerializer; 236 237import java.io.BufferedInputStream; 238import java.io.BufferedOutputStream; 239import java.io.BufferedReader; 240import java.io.ByteArrayInputStream; 241import java.io.ByteArrayOutputStream; 242import java.io.File; 243import java.io.FileDescriptor; 244import java.io.FileNotFoundException; 245import java.io.FileOutputStream; 246import java.io.FileReader; 247import java.io.FilenameFilter; 248import java.io.IOException; 249import java.io.InputStream; 250import java.io.PrintWriter; 251import java.nio.charset.StandardCharsets; 252import java.security.NoSuchAlgorithmException; 253import java.security.PublicKey; 254import java.security.cert.CertificateEncodingException; 255import java.security.cert.CertificateException; 256import java.text.SimpleDateFormat; 257import java.util.ArrayList; 258import java.util.Arrays; 259import java.util.Collection; 260import java.util.Collections; 261import java.util.Comparator; 262import java.util.Date; 263import java.util.Iterator; 264import java.util.List; 265import java.util.Map; 266import java.util.Objects; 267import java.util.Set; 268import java.util.concurrent.CountDownLatch; 269import java.util.concurrent.TimeUnit; 270import java.util.concurrent.atomic.AtomicBoolean; 271import java.util.concurrent.atomic.AtomicInteger; 272import java.util.concurrent.atomic.AtomicLong; 273 274/** 275 * Keep track of all those .apks everywhere. 276 * 277 * This is very central to the platform's security; please run the unit 278 * tests whenever making modifications here: 279 * 280runtest -c android.content.pm.PackageManagerTests frameworks-core 281 * 282 * {@hide} 283 */ 284public class PackageManagerService extends IPackageManager.Stub { 285 static final String TAG = "PackageManager"; 286 static final boolean DEBUG_SETTINGS = false; 287 static final boolean DEBUG_PREFERRED = false; 288 static final boolean DEBUG_UPGRADE = false; 289 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 290 private static final boolean DEBUG_BACKUP = false; 291 private static final boolean DEBUG_INSTALL = false; 292 private static final boolean DEBUG_REMOVE = false; 293 private static final boolean DEBUG_BROADCASTS = false; 294 private static final boolean DEBUG_SHOW_INFO = false; 295 private static final boolean DEBUG_PACKAGE_INFO = false; 296 private static final boolean DEBUG_INTENT_MATCHING = false; 297 private static final boolean DEBUG_PACKAGE_SCANNING = false; 298 private static final boolean DEBUG_VERIFY = false; 299 private static final boolean DEBUG_DEXOPT = false; 300 private static final boolean DEBUG_ABI_SELECTION = false; 301 302 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 303 304 private static final int RADIO_UID = Process.PHONE_UID; 305 private static final int LOG_UID = Process.LOG_UID; 306 private static final int NFC_UID = Process.NFC_UID; 307 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 308 private static final int SHELL_UID = Process.SHELL_UID; 309 310 // Cap the size of permission trees that 3rd party apps can define 311 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 312 313 // Suffix used during package installation when copying/moving 314 // package apks to install directory. 315 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 316 317 static final int SCAN_NO_DEX = 1<<1; 318 static final int SCAN_FORCE_DEX = 1<<2; 319 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 320 static final int SCAN_NEW_INSTALL = 1<<4; 321 static final int SCAN_NO_PATHS = 1<<5; 322 static final int SCAN_UPDATE_TIME = 1<<6; 323 static final int SCAN_DEFER_DEX = 1<<7; 324 static final int SCAN_BOOTING = 1<<8; 325 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 326 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 327 static final int SCAN_REPLACING = 1<<11; 328 static final int SCAN_REQUIRE_KNOWN = 1<<12; 329 static final int SCAN_MOVE = 1<<13; 330 static final int SCAN_INITIAL = 1<<14; 331 332 static final int REMOVE_CHATTY = 1<<16; 333 334 private static final int[] EMPTY_INT_ARRAY = new int[0]; 335 336 /** 337 * Timeout (in milliseconds) after which the watchdog should declare that 338 * our handler thread is wedged. The usual default for such things is one 339 * minute but we sometimes do very lengthy I/O operations on this thread, 340 * such as installing multi-gigabyte applications, so ours needs to be longer. 341 */ 342 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 343 344 /** 345 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 346 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 347 * settings entry if available, otherwise we use the hardcoded default. If it's been 348 * more than this long since the last fstrim, we force one during the boot sequence. 349 * 350 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 351 * one gets run at the next available charging+idle time. This final mandatory 352 * no-fstrim check kicks in only of the other scheduling criteria is never met. 353 */ 354 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 355 356 /** 357 * Whether verification is enabled by default. 358 */ 359 private static final boolean DEFAULT_VERIFY_ENABLE = true; 360 361 /** 362 * The default maximum time to wait for the verification agent to return in 363 * milliseconds. 364 */ 365 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 366 367 /** 368 * The default response for package verification timeout. 369 * 370 * This can be either PackageManager.VERIFICATION_ALLOW or 371 * PackageManager.VERIFICATION_REJECT. 372 */ 373 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 374 375 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 376 377 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 378 DEFAULT_CONTAINER_PACKAGE, 379 "com.android.defcontainer.DefaultContainerService"); 380 381 private static final String KILL_APP_REASON_GIDS_CHANGED = 382 "permission grant or revoke changed gids"; 383 384 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 385 "permissions revoked"; 386 387 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 388 389 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 390 391 /** Permission grant: not grant the permission. */ 392 private static final int GRANT_DENIED = 1; 393 394 /** Permission grant: grant the permission as an install permission. */ 395 private static final int GRANT_INSTALL = 2; 396 397 /** Permission grant: grant the permission as an install permission for a legacy app. */ 398 private static final int GRANT_INSTALL_LEGACY = 3; 399 400 /** Permission grant: grant the permission as a runtime one. */ 401 private static final int GRANT_RUNTIME = 4; 402 403 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 404 private static final int GRANT_UPGRADE = 5; 405 406 /** Canonical intent used to identify what counts as a "web browser" app */ 407 private static final Intent sBrowserIntent; 408 static { 409 sBrowserIntent = new Intent(); 410 sBrowserIntent.setAction(Intent.ACTION_VIEW); 411 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 412 sBrowserIntent.setData(Uri.parse("http:")); 413 } 414 415 final ServiceThread mHandlerThread; 416 417 final PackageHandler mHandler; 418 419 /** 420 * Messages for {@link #mHandler} that need to wait for system ready before 421 * being dispatched. 422 */ 423 private ArrayList<Message> mPostSystemReadyMessages; 424 425 final int mSdkVersion = Build.VERSION.SDK_INT; 426 427 final Context mContext; 428 final boolean mFactoryTest; 429 final boolean mOnlyCore; 430 final boolean mLazyDexOpt; 431 final long mDexOptLRUThresholdInMills; 432 final DisplayMetrics mMetrics; 433 final int mDefParseFlags; 434 final String[] mSeparateProcesses; 435 final boolean mIsUpgrade; 436 437 // This is where all application persistent data goes. 438 final File mAppDataDir; 439 440 // This is where all application persistent data goes for secondary users. 441 final File mUserAppDataDir; 442 443 /** The location for ASEC container files on internal storage. */ 444 final String mAsecInternalPath; 445 446 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 447 // LOCK HELD. Can be called with mInstallLock held. 448 @GuardedBy("mInstallLock") 449 final Installer mInstaller; 450 451 /** Directory where installed third-party apps stored */ 452 final File mAppInstallDir; 453 454 /** 455 * Directory to which applications installed internally have their 456 * 32 bit native libraries copied. 457 */ 458 private File mAppLib32InstallDir; 459 460 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 461 // apps. 462 final File mDrmAppPrivateInstallDir; 463 464 // ---------------------------------------------------------------- 465 466 // Lock for state used when installing and doing other long running 467 // operations. Methods that must be called with this lock held have 468 // the suffix "LI". 469 final Object mInstallLock = new Object(); 470 471 // ---------------------------------------------------------------- 472 473 // Keys are String (package name), values are Package. This also serves 474 // as the lock for the global state. Methods that must be called with 475 // this lock held have the prefix "LP". 476 @GuardedBy("mPackages") 477 final ArrayMap<String, PackageParser.Package> mPackages = 478 new ArrayMap<String, PackageParser.Package>(); 479 480 // Tracks available target package names -> overlay package paths. 481 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 482 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 483 484 /** 485 * Tracks new system packages [received in an OTA] that we expect to 486 * find updated user-installed versions. Keys are package name, values 487 * are package location. 488 */ 489 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 490 491 /** 492 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 493 */ 494 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 495 /** 496 * Whether or not system app permissions should be promoted from install to runtime. 497 */ 498 boolean mPromoteSystemApps; 499 500 final Settings mSettings; 501 boolean mRestoredSettings; 502 503 // System configuration read by SystemConfig. 504 final int[] mGlobalGids; 505 final SparseArray<ArraySet<String>> mSystemPermissions; 506 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 507 508 // If mac_permissions.xml was found for seinfo labeling. 509 boolean mFoundPolicyFile; 510 511 // If a recursive restorecon of /data/data/<pkg> is needed. 512 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 513 514 public static final class SharedLibraryEntry { 515 public final String path; 516 public final String apk; 517 518 SharedLibraryEntry(String _path, String _apk) { 519 path = _path; 520 apk = _apk; 521 } 522 } 523 524 // Currently known shared libraries. 525 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 526 new ArrayMap<String, SharedLibraryEntry>(); 527 528 // All available activities, for your resolving pleasure. 529 final ActivityIntentResolver mActivities = 530 new ActivityIntentResolver(); 531 532 // All available receivers, for your resolving pleasure. 533 final ActivityIntentResolver mReceivers = 534 new ActivityIntentResolver(); 535 536 // All available services, for your resolving pleasure. 537 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 538 539 // All available providers, for your resolving pleasure. 540 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 541 542 // Mapping from provider base names (first directory in content URI codePath) 543 // to the provider information. 544 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 545 new ArrayMap<String, PackageParser.Provider>(); 546 547 // Mapping from instrumentation class names to info about them. 548 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 549 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 550 551 // Mapping from permission names to info about them. 552 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 553 new ArrayMap<String, PackageParser.PermissionGroup>(); 554 555 // Packages whose data we have transfered into another package, thus 556 // should no longer exist. 557 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 558 559 // Broadcast actions that are only available to the system. 560 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 561 562 /** List of packages waiting for verification. */ 563 final SparseArray<PackageVerificationState> mPendingVerification 564 = new SparseArray<PackageVerificationState>(); 565 566 /** Set of packages associated with each app op permission. */ 567 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 568 569 final PackageInstallerService mInstallerService; 570 571 private final PackageDexOptimizer mPackageDexOptimizer; 572 573 private AtomicInteger mNextMoveId = new AtomicInteger(); 574 private final MoveCallbacks mMoveCallbacks; 575 576 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 577 578 // Cache of users who need badging. 579 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 580 581 /** Token for keys in mPendingVerification. */ 582 private int mPendingVerificationToken = 0; 583 584 volatile boolean mSystemReady; 585 volatile boolean mSafeMode; 586 volatile boolean mHasSystemUidErrors; 587 588 ApplicationInfo mAndroidApplication; 589 final ActivityInfo mResolveActivity = new ActivityInfo(); 590 final ResolveInfo mResolveInfo = new ResolveInfo(); 591 ComponentName mResolveComponentName; 592 PackageParser.Package mPlatformPackage; 593 ComponentName mCustomResolverComponentName; 594 595 boolean mResolverReplaced = false; 596 597 private final ComponentName mIntentFilterVerifierComponent; 598 private int mIntentFilterVerificationToken = 0; 599 600 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 601 = new SparseArray<IntentFilterVerificationState>(); 602 603 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 604 new DefaultPermissionGrantPolicy(this); 605 606 private static class IFVerificationParams { 607 PackageParser.Package pkg; 608 boolean replacing; 609 int userId; 610 int verifierUid; 611 612 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 613 int _userId, int _verifierUid) { 614 pkg = _pkg; 615 replacing = _replacing; 616 userId = _userId; 617 replacing = _replacing; 618 verifierUid = _verifierUid; 619 } 620 } 621 622 private interface IntentFilterVerifier<T extends IntentFilter> { 623 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 624 T filter, String packageName); 625 void startVerifications(int userId); 626 void receiveVerificationResponse(int verificationId); 627 } 628 629 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 630 private Context mContext; 631 private ComponentName mIntentFilterVerifierComponent; 632 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 633 634 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 635 mContext = context; 636 mIntentFilterVerifierComponent = verifierComponent; 637 } 638 639 private String getDefaultScheme() { 640 return IntentFilter.SCHEME_HTTPS; 641 } 642 643 @Override 644 public void startVerifications(int userId) { 645 // Launch verifications requests 646 int count = mCurrentIntentFilterVerifications.size(); 647 for (int n=0; n<count; n++) { 648 int verificationId = mCurrentIntentFilterVerifications.get(n); 649 final IntentFilterVerificationState ivs = 650 mIntentFilterVerificationStates.get(verificationId); 651 652 String packageName = ivs.getPackageName(); 653 654 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 655 final int filterCount = filters.size(); 656 ArraySet<String> domainsSet = new ArraySet<>(); 657 for (int m=0; m<filterCount; m++) { 658 PackageParser.ActivityIntentInfo filter = filters.get(m); 659 domainsSet.addAll(filter.getHostsList()); 660 } 661 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 662 synchronized (mPackages) { 663 if (mSettings.createIntentFilterVerificationIfNeededLPw( 664 packageName, domainsList) != null) { 665 scheduleWriteSettingsLocked(); 666 } 667 } 668 sendVerificationRequest(userId, verificationId, ivs); 669 } 670 mCurrentIntentFilterVerifications.clear(); 671 } 672 673 private void sendVerificationRequest(int userId, int verificationId, 674 IntentFilterVerificationState ivs) { 675 676 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 677 verificationIntent.putExtra( 678 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 679 verificationId); 680 verificationIntent.putExtra( 681 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 682 getDefaultScheme()); 683 verificationIntent.putExtra( 684 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 685 ivs.getHostsString()); 686 verificationIntent.putExtra( 687 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 688 ivs.getPackageName()); 689 verificationIntent.setComponent(mIntentFilterVerifierComponent); 690 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 691 692 UserHandle user = new UserHandle(userId); 693 mContext.sendBroadcastAsUser(verificationIntent, user); 694 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 695 "Sending IntentFilter verification broadcast"); 696 } 697 698 public void receiveVerificationResponse(int verificationId) { 699 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 700 701 final boolean verified = ivs.isVerified(); 702 703 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 704 final int count = filters.size(); 705 if (DEBUG_DOMAIN_VERIFICATION) { 706 Slog.i(TAG, "Received verification response " + verificationId 707 + " for " + count + " filters, verified=" + verified); 708 } 709 for (int n=0; n<count; n++) { 710 PackageParser.ActivityIntentInfo filter = filters.get(n); 711 filter.setVerified(verified); 712 713 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 714 + " verified with result:" + verified + " and hosts:" 715 + ivs.getHostsString()); 716 } 717 718 mIntentFilterVerificationStates.remove(verificationId); 719 720 final String packageName = ivs.getPackageName(); 721 IntentFilterVerificationInfo ivi = null; 722 723 synchronized (mPackages) { 724 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 725 } 726 if (ivi == null) { 727 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 728 + verificationId + " packageName:" + packageName); 729 return; 730 } 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Updating IntentFilterVerificationInfo for package " + packageName 733 +" verificationId:" + verificationId); 734 735 synchronized (mPackages) { 736 if (verified) { 737 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 738 } else { 739 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 740 } 741 scheduleWriteSettingsLocked(); 742 743 final int userId = ivs.getUserId(); 744 if (userId != UserHandle.USER_ALL) { 745 final int userStatus = 746 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 747 748 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 749 boolean needUpdate = false; 750 751 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 752 // already been set by the User thru the Disambiguation dialog 753 switch (userStatus) { 754 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 755 if (verified) { 756 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 757 } else { 758 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 759 } 760 needUpdate = true; 761 break; 762 763 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 764 if (verified) { 765 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 766 needUpdate = true; 767 } 768 break; 769 770 default: 771 // Nothing to do 772 } 773 774 if (needUpdate) { 775 mSettings.updateIntentFilterVerificationStatusLPw( 776 packageName, updatedStatus, userId); 777 scheduleWritePackageRestrictionsLocked(userId); 778 } 779 } 780 } 781 } 782 783 @Override 784 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 785 ActivityIntentInfo filter, String packageName) { 786 if (!hasValidDomains(filter)) { 787 return false; 788 } 789 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 790 if (ivs == null) { 791 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 792 packageName); 793 } 794 if (DEBUG_DOMAIN_VERIFICATION) { 795 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 796 } 797 ivs.addFilter(filter); 798 return true; 799 } 800 801 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 802 int userId, int verificationId, String packageName) { 803 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 804 verifierUid, userId, packageName); 805 ivs.setPendingState(); 806 synchronized (mPackages) { 807 mIntentFilterVerificationStates.append(verificationId, ivs); 808 mCurrentIntentFilterVerifications.add(verificationId); 809 } 810 return ivs; 811 } 812 } 813 814 private static boolean hasValidDomains(ActivityIntentInfo filter) { 815 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 816 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 817 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 818 } 819 820 private IntentFilterVerifier mIntentFilterVerifier; 821 822 // Set of pending broadcasts for aggregating enable/disable of components. 823 static class PendingPackageBroadcasts { 824 // for each user id, a map of <package name -> components within that package> 825 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 826 827 public PendingPackageBroadcasts() { 828 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 829 } 830 831 public ArrayList<String> get(int userId, String packageName) { 832 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 833 return packages.get(packageName); 834 } 835 836 public void put(int userId, String packageName, ArrayList<String> components) { 837 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 838 packages.put(packageName, components); 839 } 840 841 public void remove(int userId, String packageName) { 842 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 843 if (packages != null) { 844 packages.remove(packageName); 845 } 846 } 847 848 public void remove(int userId) { 849 mUidMap.remove(userId); 850 } 851 852 public int userIdCount() { 853 return mUidMap.size(); 854 } 855 856 public int userIdAt(int n) { 857 return mUidMap.keyAt(n); 858 } 859 860 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 861 return mUidMap.get(userId); 862 } 863 864 public int size() { 865 // total number of pending broadcast entries across all userIds 866 int num = 0; 867 for (int i = 0; i< mUidMap.size(); i++) { 868 num += mUidMap.valueAt(i).size(); 869 } 870 return num; 871 } 872 873 public void clear() { 874 mUidMap.clear(); 875 } 876 877 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 878 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 879 if (map == null) { 880 map = new ArrayMap<String, ArrayList<String>>(); 881 mUidMap.put(userId, map); 882 } 883 return map; 884 } 885 } 886 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 887 888 // Service Connection to remote media container service to copy 889 // package uri's from external media onto secure containers 890 // or internal storage. 891 private IMediaContainerService mContainerService = null; 892 893 static final int SEND_PENDING_BROADCAST = 1; 894 static final int MCS_BOUND = 3; 895 static final int END_COPY = 4; 896 static final int INIT_COPY = 5; 897 static final int MCS_UNBIND = 6; 898 static final int START_CLEANING_PACKAGE = 7; 899 static final int FIND_INSTALL_LOC = 8; 900 static final int POST_INSTALL = 9; 901 static final int MCS_RECONNECT = 10; 902 static final int MCS_GIVE_UP = 11; 903 static final int UPDATED_MEDIA_STATUS = 12; 904 static final int WRITE_SETTINGS = 13; 905 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 906 static final int PACKAGE_VERIFIED = 15; 907 static final int CHECK_PENDING_VERIFICATION = 16; 908 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 909 static final int INTENT_FILTER_VERIFIED = 18; 910 911 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 912 913 // Delay time in millisecs 914 static final int BROADCAST_DELAY = 10 * 1000; 915 916 static UserManagerService sUserManager; 917 918 // Stores a list of users whose package restrictions file needs to be updated 919 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 920 921 final private DefaultContainerConnection mDefContainerConn = 922 new DefaultContainerConnection(); 923 class DefaultContainerConnection implements ServiceConnection { 924 public void onServiceConnected(ComponentName name, IBinder service) { 925 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 926 IMediaContainerService imcs = 927 IMediaContainerService.Stub.asInterface(service); 928 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 929 } 930 931 public void onServiceDisconnected(ComponentName name) { 932 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 933 } 934 } 935 936 // Recordkeeping of restore-after-install operations that are currently in flight 937 // between the Package Manager and the Backup Manager 938 class PostInstallData { 939 public InstallArgs args; 940 public PackageInstalledInfo res; 941 942 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 943 args = _a; 944 res = _r; 945 } 946 } 947 948 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 949 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 950 951 // XML tags for backup/restore of various bits of state 952 private static final String TAG_PREFERRED_BACKUP = "pa"; 953 private static final String TAG_DEFAULT_APPS = "da"; 954 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 955 956 final String mRequiredVerifierPackage; 957 final String mRequiredInstallerPackage; 958 959 private final PackageUsage mPackageUsage = new PackageUsage(); 960 961 private class PackageUsage { 962 private static final int WRITE_INTERVAL 963 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 964 965 private final Object mFileLock = new Object(); 966 private final AtomicLong mLastWritten = new AtomicLong(0); 967 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 968 969 private boolean mIsHistoricalPackageUsageAvailable = true; 970 971 boolean isHistoricalPackageUsageAvailable() { 972 return mIsHistoricalPackageUsageAvailable; 973 } 974 975 void write(boolean force) { 976 if (force) { 977 writeInternal(); 978 return; 979 } 980 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 981 && !DEBUG_DEXOPT) { 982 return; 983 } 984 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 985 new Thread("PackageUsage_DiskWriter") { 986 @Override 987 public void run() { 988 try { 989 writeInternal(); 990 } finally { 991 mBackgroundWriteRunning.set(false); 992 } 993 } 994 }.start(); 995 } 996 } 997 998 private void writeInternal() { 999 synchronized (mPackages) { 1000 synchronized (mFileLock) { 1001 AtomicFile file = getFile(); 1002 FileOutputStream f = null; 1003 try { 1004 f = file.startWrite(); 1005 BufferedOutputStream out = new BufferedOutputStream(f); 1006 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1007 StringBuilder sb = new StringBuilder(); 1008 for (PackageParser.Package pkg : mPackages.values()) { 1009 if (pkg.mLastPackageUsageTimeInMills == 0) { 1010 continue; 1011 } 1012 sb.setLength(0); 1013 sb.append(pkg.packageName); 1014 sb.append(' '); 1015 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1016 sb.append('\n'); 1017 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1018 } 1019 out.flush(); 1020 file.finishWrite(f); 1021 } catch (IOException e) { 1022 if (f != null) { 1023 file.failWrite(f); 1024 } 1025 Log.e(TAG, "Failed to write package usage times", e); 1026 } 1027 } 1028 } 1029 mLastWritten.set(SystemClock.elapsedRealtime()); 1030 } 1031 1032 void readLP() { 1033 synchronized (mFileLock) { 1034 AtomicFile file = getFile(); 1035 BufferedInputStream in = null; 1036 try { 1037 in = new BufferedInputStream(file.openRead()); 1038 StringBuffer sb = new StringBuffer(); 1039 while (true) { 1040 String packageName = readToken(in, sb, ' '); 1041 if (packageName == null) { 1042 break; 1043 } 1044 String timeInMillisString = readToken(in, sb, '\n'); 1045 if (timeInMillisString == null) { 1046 throw new IOException("Failed to find last usage time for package " 1047 + packageName); 1048 } 1049 PackageParser.Package pkg = mPackages.get(packageName); 1050 if (pkg == null) { 1051 continue; 1052 } 1053 long timeInMillis; 1054 try { 1055 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1056 } catch (NumberFormatException e) { 1057 throw new IOException("Failed to parse " + timeInMillisString 1058 + " as a long.", e); 1059 } 1060 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1061 } 1062 } catch (FileNotFoundException expected) { 1063 mIsHistoricalPackageUsageAvailable = false; 1064 } catch (IOException e) { 1065 Log.w(TAG, "Failed to read package usage times", e); 1066 } finally { 1067 IoUtils.closeQuietly(in); 1068 } 1069 } 1070 mLastWritten.set(SystemClock.elapsedRealtime()); 1071 } 1072 1073 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1074 throws IOException { 1075 sb.setLength(0); 1076 while (true) { 1077 int ch = in.read(); 1078 if (ch == -1) { 1079 if (sb.length() == 0) { 1080 return null; 1081 } 1082 throw new IOException("Unexpected EOF"); 1083 } 1084 if (ch == endOfToken) { 1085 return sb.toString(); 1086 } 1087 sb.append((char)ch); 1088 } 1089 } 1090 1091 private AtomicFile getFile() { 1092 File dataDir = Environment.getDataDirectory(); 1093 File systemDir = new File(dataDir, "system"); 1094 File fname = new File(systemDir, "package-usage.list"); 1095 return new AtomicFile(fname); 1096 } 1097 } 1098 1099 class PackageHandler extends Handler { 1100 private boolean mBound = false; 1101 final ArrayList<HandlerParams> mPendingInstalls = 1102 new ArrayList<HandlerParams>(); 1103 1104 private boolean connectToService() { 1105 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1106 " DefaultContainerService"); 1107 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1109 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1110 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 mBound = true; 1113 return true; 1114 } 1115 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1116 return false; 1117 } 1118 1119 private void disconnectService() { 1120 mContainerService = null; 1121 mBound = false; 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1123 mContext.unbindService(mDefContainerConn); 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1125 } 1126 1127 PackageHandler(Looper looper) { 1128 super(looper); 1129 } 1130 1131 public void handleMessage(Message msg) { 1132 try { 1133 doHandleMessage(msg); 1134 } finally { 1135 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1136 } 1137 } 1138 1139 void doHandleMessage(Message msg) { 1140 switch (msg.what) { 1141 case INIT_COPY: { 1142 HandlerParams params = (HandlerParams) msg.obj; 1143 int idx = mPendingInstalls.size(); 1144 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1145 // If a bind was already initiated we dont really 1146 // need to do anything. The pending install 1147 // will be processed later on. 1148 if (!mBound) { 1149 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1150 System.identityHashCode(mHandler)); 1151 // If this is the only one pending we might 1152 // have to bind to the service again. 1153 if (!connectToService()) { 1154 Slog.e(TAG, "Failed to bind to media container service"); 1155 params.serviceError(); 1156 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1157 System.identityHashCode(mHandler)); 1158 if (params.traceMethod != null) { 1159 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1160 params.traceCookie); 1161 } 1162 return; 1163 } else { 1164 // Once we bind to the service, the first 1165 // pending request will be processed. 1166 mPendingInstalls.add(idx, params); 1167 } 1168 } else { 1169 mPendingInstalls.add(idx, params); 1170 // Already bound to the service. Just make 1171 // sure we trigger off processing the first request. 1172 if (idx == 0) { 1173 mHandler.sendEmptyMessage(MCS_BOUND); 1174 } 1175 } 1176 break; 1177 } 1178 case MCS_BOUND: { 1179 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1180 if (msg.obj != null) { 1181 mContainerService = (IMediaContainerService) msg.obj; 1182 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1183 System.identityHashCode(mHandler)); 1184 } 1185 if (mContainerService == null) { 1186 if (!mBound) { 1187 // Something seriously wrong since we are not bound and we are not 1188 // waiting for connection. Bail out. 1189 Slog.e(TAG, "Cannot bind to media container service"); 1190 for (HandlerParams params : mPendingInstalls) { 1191 // Indicate service bind error 1192 params.serviceError(); 1193 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1194 System.identityHashCode(params)); 1195 if (params.traceMethod != null) { 1196 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1197 params.traceMethod, params.traceCookie); 1198 } 1199 return; 1200 } 1201 mPendingInstalls.clear(); 1202 } else { 1203 Slog.w(TAG, "Waiting to connect to media container service"); 1204 } 1205 } else if (mPendingInstalls.size() > 0) { 1206 HandlerParams params = mPendingInstalls.get(0); 1207 if (params != null) { 1208 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1209 System.identityHashCode(params)); 1210 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1211 if (params.startCopy()) { 1212 // We are done... look for more work or to 1213 // go idle. 1214 if (DEBUG_SD_INSTALL) Log.i(TAG, 1215 "Checking for more work or unbind..."); 1216 // Delete pending install 1217 if (mPendingInstalls.size() > 0) { 1218 mPendingInstalls.remove(0); 1219 } 1220 if (mPendingInstalls.size() == 0) { 1221 if (mBound) { 1222 if (DEBUG_SD_INSTALL) Log.i(TAG, 1223 "Posting delayed MCS_UNBIND"); 1224 removeMessages(MCS_UNBIND); 1225 Message ubmsg = obtainMessage(MCS_UNBIND); 1226 // Unbind after a little delay, to avoid 1227 // continual thrashing. 1228 sendMessageDelayed(ubmsg, 10000); 1229 } 1230 } else { 1231 // There are more pending requests in queue. 1232 // Just post MCS_BOUND message to trigger processing 1233 // of next pending install. 1234 if (DEBUG_SD_INSTALL) Log.i(TAG, 1235 "Posting MCS_BOUND for next work"); 1236 mHandler.sendEmptyMessage(MCS_BOUND); 1237 } 1238 } 1239 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1240 } 1241 } else { 1242 // Should never happen ideally. 1243 Slog.w(TAG, "Empty queue"); 1244 } 1245 break; 1246 } 1247 case MCS_RECONNECT: { 1248 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1249 if (mPendingInstalls.size() > 0) { 1250 if (mBound) { 1251 disconnectService(); 1252 } 1253 if (!connectToService()) { 1254 Slog.e(TAG, "Failed to bind to media container service"); 1255 for (HandlerParams params : mPendingInstalls) { 1256 // Indicate service bind error 1257 params.serviceError(); 1258 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1259 System.identityHashCode(params)); 1260 } 1261 mPendingInstalls.clear(); 1262 } 1263 } 1264 break; 1265 } 1266 case MCS_UNBIND: { 1267 // If there is no actual work left, then time to unbind. 1268 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1269 1270 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1271 if (mBound) { 1272 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1273 1274 disconnectService(); 1275 } 1276 } else if (mPendingInstalls.size() > 0) { 1277 // There are more pending requests in queue. 1278 // Just post MCS_BOUND message to trigger processing 1279 // of next pending install. 1280 mHandler.sendEmptyMessage(MCS_BOUND); 1281 } 1282 1283 break; 1284 } 1285 case MCS_GIVE_UP: { 1286 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1287 HandlerParams params = mPendingInstalls.remove(0); 1288 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1289 System.identityHashCode(params)); 1290 break; 1291 } 1292 case SEND_PENDING_BROADCAST: { 1293 String packages[]; 1294 ArrayList<String> components[]; 1295 int size = 0; 1296 int uids[]; 1297 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1298 synchronized (mPackages) { 1299 if (mPendingBroadcasts == null) { 1300 return; 1301 } 1302 size = mPendingBroadcasts.size(); 1303 if (size <= 0) { 1304 // Nothing to be done. Just return 1305 return; 1306 } 1307 packages = new String[size]; 1308 components = new ArrayList[size]; 1309 uids = new int[size]; 1310 int i = 0; // filling out the above arrays 1311 1312 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1313 int packageUserId = mPendingBroadcasts.userIdAt(n); 1314 Iterator<Map.Entry<String, ArrayList<String>>> it 1315 = mPendingBroadcasts.packagesForUserId(packageUserId) 1316 .entrySet().iterator(); 1317 while (it.hasNext() && i < size) { 1318 Map.Entry<String, ArrayList<String>> ent = it.next(); 1319 packages[i] = ent.getKey(); 1320 components[i] = ent.getValue(); 1321 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1322 uids[i] = (ps != null) 1323 ? UserHandle.getUid(packageUserId, ps.appId) 1324 : -1; 1325 i++; 1326 } 1327 } 1328 size = i; 1329 mPendingBroadcasts.clear(); 1330 } 1331 // Send broadcasts 1332 for (int i = 0; i < size; i++) { 1333 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1334 } 1335 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1336 break; 1337 } 1338 case START_CLEANING_PACKAGE: { 1339 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1340 final String packageName = (String)msg.obj; 1341 final int userId = msg.arg1; 1342 final boolean andCode = msg.arg2 != 0; 1343 synchronized (mPackages) { 1344 if (userId == UserHandle.USER_ALL) { 1345 int[] users = sUserManager.getUserIds(); 1346 for (int user : users) { 1347 mSettings.addPackageToCleanLPw( 1348 new PackageCleanItem(user, packageName, andCode)); 1349 } 1350 } else { 1351 mSettings.addPackageToCleanLPw( 1352 new PackageCleanItem(userId, packageName, andCode)); 1353 } 1354 } 1355 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1356 startCleaningPackages(); 1357 } break; 1358 case POST_INSTALL: { 1359 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1360 PostInstallData data = mRunningInstalls.get(msg.arg1); 1361 mRunningInstalls.delete(msg.arg1); 1362 boolean deleteOld = false; 1363 1364 if (data != null) { 1365 InstallArgs args = data.args; 1366 PackageInstalledInfo res = data.res; 1367 1368 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1369 final String packageName = res.pkg.applicationInfo.packageName; 1370 res.removedInfo.sendBroadcast(false, true, false); 1371 Bundle extras = new Bundle(1); 1372 extras.putInt(Intent.EXTRA_UID, res.uid); 1373 1374 // Now that we successfully installed the package, grant runtime 1375 // permissions if requested before broadcasting the install. 1376 if ((args.installFlags 1377 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1378 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1379 args.installGrantPermissions); 1380 } 1381 1382 // Determine the set of users who are adding this 1383 // package for the first time vs. those who are seeing 1384 // an update. 1385 int[] firstUsers; 1386 int[] updateUsers = new int[0]; 1387 if (res.origUsers == null || res.origUsers.length == 0) { 1388 firstUsers = res.newUsers; 1389 } else { 1390 firstUsers = new int[0]; 1391 for (int i=0; i<res.newUsers.length; i++) { 1392 int user = res.newUsers[i]; 1393 boolean isNew = true; 1394 for (int j=0; j<res.origUsers.length; j++) { 1395 if (res.origUsers[j] == user) { 1396 isNew = false; 1397 break; 1398 } 1399 } 1400 if (isNew) { 1401 int[] newFirst = new int[firstUsers.length+1]; 1402 System.arraycopy(firstUsers, 0, newFirst, 0, 1403 firstUsers.length); 1404 newFirst[firstUsers.length] = user; 1405 firstUsers = newFirst; 1406 } else { 1407 int[] newUpdate = new int[updateUsers.length+1]; 1408 System.arraycopy(updateUsers, 0, newUpdate, 0, 1409 updateUsers.length); 1410 newUpdate[updateUsers.length] = user; 1411 updateUsers = newUpdate; 1412 } 1413 } 1414 } 1415 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1416 packageName, extras, null, null, firstUsers); 1417 final boolean update = res.removedInfo.removedPackage != null; 1418 if (update) { 1419 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1420 } 1421 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1422 packageName, extras, null, null, updateUsers); 1423 if (update) { 1424 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1425 packageName, extras, null, null, updateUsers); 1426 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1427 null, null, packageName, null, updateUsers); 1428 1429 // treat asec-hosted packages like removable media on upgrade 1430 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1431 if (DEBUG_INSTALL) { 1432 Slog.i(TAG, "upgrading pkg " + res.pkg 1433 + " is ASEC-hosted -> AVAILABLE"); 1434 } 1435 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1436 ArrayList<String> pkgList = new ArrayList<String>(1); 1437 pkgList.add(packageName); 1438 sendResourcesChangedBroadcast(true, true, 1439 pkgList,uidArray, null); 1440 } 1441 } 1442 if (res.removedInfo.args != null) { 1443 // Remove the replaced package's older resources safely now 1444 deleteOld = true; 1445 } 1446 1447 // If this app is a browser and it's newly-installed for some 1448 // users, clear any default-browser state in those users 1449 if (firstUsers.length > 0) { 1450 // the app's nature doesn't depend on the user, so we can just 1451 // check its browser nature in any user and generalize. 1452 if (packageIsBrowser(packageName, firstUsers[0])) { 1453 synchronized (mPackages) { 1454 for (int userId : firstUsers) { 1455 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1456 } 1457 } 1458 } 1459 } 1460 // Log current value of "unknown sources" setting 1461 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1462 getUnknownSourcesSettings()); 1463 } 1464 // Force a gc to clear up things 1465 Runtime.getRuntime().gc(); 1466 // We delete after a gc for applications on sdcard. 1467 if (deleteOld) { 1468 synchronized (mInstallLock) { 1469 res.removedInfo.args.doPostDeleteLI(true); 1470 } 1471 } 1472 if (args.observer != null) { 1473 try { 1474 Bundle extras = extrasForInstallResult(res); 1475 args.observer.onPackageInstalled(res.name, res.returnCode, 1476 res.returnMsg, extras); 1477 } catch (RemoteException e) { 1478 Slog.i(TAG, "Observer no longer exists."); 1479 } 1480 } 1481 if (args.traceMethod != null) { 1482 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1483 args.traceCookie); 1484 } 1485 return; 1486 } else { 1487 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1488 } 1489 1490 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1491 } break; 1492 case UPDATED_MEDIA_STATUS: { 1493 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1494 boolean reportStatus = msg.arg1 == 1; 1495 boolean doGc = msg.arg2 == 1; 1496 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1497 if (doGc) { 1498 // Force a gc to clear up stale containers. 1499 Runtime.getRuntime().gc(); 1500 } 1501 if (msg.obj != null) { 1502 @SuppressWarnings("unchecked") 1503 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1504 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1505 // Unload containers 1506 unloadAllContainers(args); 1507 } 1508 if (reportStatus) { 1509 try { 1510 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1511 PackageHelper.getMountService().finishMediaUpdate(); 1512 } catch (RemoteException e) { 1513 Log.e(TAG, "MountService not running?"); 1514 } 1515 } 1516 } break; 1517 case WRITE_SETTINGS: { 1518 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1519 synchronized (mPackages) { 1520 removeMessages(WRITE_SETTINGS); 1521 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1522 mSettings.writeLPr(); 1523 mDirtyUsers.clear(); 1524 } 1525 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1526 } break; 1527 case WRITE_PACKAGE_RESTRICTIONS: { 1528 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1529 synchronized (mPackages) { 1530 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1531 for (int userId : mDirtyUsers) { 1532 mSettings.writePackageRestrictionsLPr(userId); 1533 } 1534 mDirtyUsers.clear(); 1535 } 1536 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1537 } break; 1538 case CHECK_PENDING_VERIFICATION: { 1539 final int verificationId = msg.arg1; 1540 final PackageVerificationState state = mPendingVerification.get(verificationId); 1541 1542 if ((state != null) && !state.timeoutExtended()) { 1543 final InstallArgs args = state.getInstallArgs(); 1544 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1545 1546 Slog.i(TAG, "Verification timed out for " + originUri); 1547 mPendingVerification.remove(verificationId); 1548 1549 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1550 1551 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1552 Slog.i(TAG, "Continuing with installation of " + originUri); 1553 state.setVerifierResponse(Binder.getCallingUid(), 1554 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1555 broadcastPackageVerified(verificationId, originUri, 1556 PackageManager.VERIFICATION_ALLOW, 1557 state.getInstallArgs().getUser()); 1558 try { 1559 ret = args.copyApk(mContainerService, true); 1560 } catch (RemoteException e) { 1561 Slog.e(TAG, "Could not contact the ContainerService"); 1562 } 1563 } else { 1564 broadcastPackageVerified(verificationId, originUri, 1565 PackageManager.VERIFICATION_REJECT, 1566 state.getInstallArgs().getUser()); 1567 } 1568 1569 Trace.asyncTraceEnd( 1570 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1571 1572 processPendingInstall(args, ret); 1573 mHandler.sendEmptyMessage(MCS_UNBIND); 1574 } 1575 break; 1576 } 1577 case PACKAGE_VERIFIED: { 1578 final int verificationId = msg.arg1; 1579 1580 final PackageVerificationState state = mPendingVerification.get(verificationId); 1581 if (state == null) { 1582 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1583 break; 1584 } 1585 1586 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1587 1588 state.setVerifierResponse(response.callerUid, response.code); 1589 1590 if (state.isVerificationComplete()) { 1591 mPendingVerification.remove(verificationId); 1592 1593 final InstallArgs args = state.getInstallArgs(); 1594 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1595 1596 int ret; 1597 if (state.isInstallAllowed()) { 1598 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1599 broadcastPackageVerified(verificationId, originUri, 1600 response.code, state.getInstallArgs().getUser()); 1601 try { 1602 ret = args.copyApk(mContainerService, true); 1603 } catch (RemoteException e) { 1604 Slog.e(TAG, "Could not contact the ContainerService"); 1605 } 1606 } else { 1607 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1608 } 1609 1610 Trace.asyncTraceEnd( 1611 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1612 1613 processPendingInstall(args, ret); 1614 mHandler.sendEmptyMessage(MCS_UNBIND); 1615 } 1616 1617 break; 1618 } 1619 case START_INTENT_FILTER_VERIFICATIONS: { 1620 IFVerificationParams params = (IFVerificationParams) msg.obj; 1621 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1622 params.replacing, params.pkg); 1623 break; 1624 } 1625 case INTENT_FILTER_VERIFIED: { 1626 final int verificationId = msg.arg1; 1627 1628 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1629 verificationId); 1630 if (state == null) { 1631 Slog.w(TAG, "Invalid IntentFilter verification token " 1632 + verificationId + " received"); 1633 break; 1634 } 1635 1636 final int userId = state.getUserId(); 1637 1638 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1639 "Processing IntentFilter verification with token:" 1640 + verificationId + " and userId:" + userId); 1641 1642 final IntentFilterVerificationResponse response = 1643 (IntentFilterVerificationResponse) msg.obj; 1644 1645 state.setVerifierResponse(response.callerUid, response.code); 1646 1647 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1648 "IntentFilter verification with token:" + verificationId 1649 + " and userId:" + userId 1650 + " is settings verifier response with response code:" 1651 + response.code); 1652 1653 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1654 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1655 + response.getFailedDomainsString()); 1656 } 1657 1658 if (state.isVerificationComplete()) { 1659 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1660 } else { 1661 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1662 "IntentFilter verification with token:" + verificationId 1663 + " was not said to be complete"); 1664 } 1665 1666 break; 1667 } 1668 } 1669 } 1670 } 1671 1672 private StorageEventListener mStorageListener = new StorageEventListener() { 1673 @Override 1674 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1675 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1676 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1677 final String volumeUuid = vol.getFsUuid(); 1678 1679 // Clean up any users or apps that were removed or recreated 1680 // while this volume was missing 1681 reconcileUsers(volumeUuid); 1682 reconcileApps(volumeUuid); 1683 1684 // Clean up any install sessions that expired or were 1685 // cancelled while this volume was missing 1686 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1687 1688 loadPrivatePackages(vol); 1689 1690 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1691 unloadPrivatePackages(vol); 1692 } 1693 } 1694 1695 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1696 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1697 updateExternalMediaStatus(true, false); 1698 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1699 updateExternalMediaStatus(false, false); 1700 } 1701 } 1702 } 1703 1704 @Override 1705 public void onVolumeForgotten(String fsUuid) { 1706 if (TextUtils.isEmpty(fsUuid)) { 1707 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1708 return; 1709 } 1710 1711 // Remove any apps installed on the forgotten volume 1712 synchronized (mPackages) { 1713 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1714 for (PackageSetting ps : packages) { 1715 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1716 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1717 UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS); 1718 } 1719 1720 mSettings.onVolumeForgotten(fsUuid); 1721 mSettings.writeLPr(); 1722 } 1723 } 1724 }; 1725 1726 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1727 String[] grantedPermissions) { 1728 if (userId >= UserHandle.USER_OWNER) { 1729 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1730 } else if (userId == UserHandle.USER_ALL) { 1731 final int[] userIds; 1732 synchronized (mPackages) { 1733 userIds = UserManagerService.getInstance().getUserIds(); 1734 } 1735 for (int someUserId : userIds) { 1736 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1737 } 1738 } 1739 1740 // We could have touched GID membership, so flush out packages.list 1741 synchronized (mPackages) { 1742 mSettings.writePackageListLPr(); 1743 } 1744 } 1745 1746 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1747 String[] grantedPermissions) { 1748 SettingBase sb = (SettingBase) pkg.mExtras; 1749 if (sb == null) { 1750 return; 1751 } 1752 1753 PermissionsState permissionsState = sb.getPermissionsState(); 1754 1755 for (String permission : pkg.requestedPermissions) { 1756 BasePermission bp = mSettings.mPermissions.get(permission); 1757 if (bp != null && bp.isRuntime() && (grantedPermissions == null 1758 || ArrayUtils.contains(grantedPermissions, permission))) { 1759 permissionsState.grantRuntimePermission(bp, userId); 1760 } 1761 } 1762 } 1763 1764 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1765 Bundle extras = null; 1766 switch (res.returnCode) { 1767 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1768 extras = new Bundle(); 1769 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1770 res.origPermission); 1771 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1772 res.origPackage); 1773 break; 1774 } 1775 case PackageManager.INSTALL_SUCCEEDED: { 1776 extras = new Bundle(); 1777 extras.putBoolean(Intent.EXTRA_REPLACING, 1778 res.removedInfo != null && res.removedInfo.removedPackage != null); 1779 break; 1780 } 1781 } 1782 return extras; 1783 } 1784 1785 void scheduleWriteSettingsLocked() { 1786 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1787 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1788 } 1789 } 1790 1791 void scheduleWritePackageRestrictionsLocked(int userId) { 1792 if (!sUserManager.exists(userId)) return; 1793 mDirtyUsers.add(userId); 1794 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1795 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1796 } 1797 } 1798 1799 public static PackageManagerService main(Context context, Installer installer, 1800 boolean factoryTest, boolean onlyCore) { 1801 PackageManagerService m = new PackageManagerService(context, installer, 1802 factoryTest, onlyCore); 1803 ServiceManager.addService("package", m); 1804 return m; 1805 } 1806 1807 static String[] splitString(String str, char sep) { 1808 int count = 1; 1809 int i = 0; 1810 while ((i=str.indexOf(sep, i)) >= 0) { 1811 count++; 1812 i++; 1813 } 1814 1815 String[] res = new String[count]; 1816 i=0; 1817 count = 0; 1818 int lastI=0; 1819 while ((i=str.indexOf(sep, i)) >= 0) { 1820 res[count] = str.substring(lastI, i); 1821 count++; 1822 i++; 1823 lastI = i; 1824 } 1825 res[count] = str.substring(lastI, str.length()); 1826 return res; 1827 } 1828 1829 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1830 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1831 Context.DISPLAY_SERVICE); 1832 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1833 } 1834 1835 public PackageManagerService(Context context, Installer installer, 1836 boolean factoryTest, boolean onlyCore) { 1837 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1838 SystemClock.uptimeMillis()); 1839 1840 if (mSdkVersion <= 0) { 1841 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1842 } 1843 1844 mContext = context; 1845 mFactoryTest = factoryTest; 1846 mOnlyCore = onlyCore; 1847 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1848 mMetrics = new DisplayMetrics(); 1849 mSettings = new Settings(mPackages); 1850 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1851 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1852 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1853 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1854 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1855 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1856 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1857 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1858 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1859 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1860 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1861 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1862 1863 // TODO: add a property to control this? 1864 long dexOptLRUThresholdInMinutes; 1865 if (mLazyDexOpt) { 1866 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1867 } else { 1868 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1869 } 1870 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1871 1872 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1873 if (separateProcesses != null && separateProcesses.length() > 0) { 1874 if ("*".equals(separateProcesses)) { 1875 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1876 mSeparateProcesses = null; 1877 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1878 } else { 1879 mDefParseFlags = 0; 1880 mSeparateProcesses = separateProcesses.split(","); 1881 Slog.w(TAG, "Running with debug.separate_processes: " 1882 + separateProcesses); 1883 } 1884 } else { 1885 mDefParseFlags = 0; 1886 mSeparateProcesses = null; 1887 } 1888 1889 mInstaller = installer; 1890 mPackageDexOptimizer = new PackageDexOptimizer(this); 1891 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1892 1893 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1894 FgThread.get().getLooper()); 1895 1896 getDefaultDisplayMetrics(context, mMetrics); 1897 1898 SystemConfig systemConfig = SystemConfig.getInstance(); 1899 mGlobalGids = systemConfig.getGlobalGids(); 1900 mSystemPermissions = systemConfig.getSystemPermissions(); 1901 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1902 1903 synchronized (mInstallLock) { 1904 // writer 1905 synchronized (mPackages) { 1906 mHandlerThread = new ServiceThread(TAG, 1907 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1908 mHandlerThread.start(); 1909 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1910 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1911 1912 File dataDir = Environment.getDataDirectory(); 1913 mAppDataDir = new File(dataDir, "data"); 1914 mAppInstallDir = new File(dataDir, "app"); 1915 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1916 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1917 mUserAppDataDir = new File(dataDir, "user"); 1918 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1919 1920 sUserManager = new UserManagerService(context, this, 1921 mInstallLock, mPackages); 1922 1923 // Propagate permission configuration in to package manager. 1924 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1925 = systemConfig.getPermissions(); 1926 for (int i=0; i<permConfig.size(); i++) { 1927 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1928 BasePermission bp = mSettings.mPermissions.get(perm.name); 1929 if (bp == null) { 1930 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1931 mSettings.mPermissions.put(perm.name, bp); 1932 } 1933 if (perm.gids != null) { 1934 bp.setGids(perm.gids, perm.perUser); 1935 } 1936 } 1937 1938 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1939 for (int i=0; i<libConfig.size(); i++) { 1940 mSharedLibraries.put(libConfig.keyAt(i), 1941 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1942 } 1943 1944 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1945 1946 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 1947 1948 String customResolverActivity = Resources.getSystem().getString( 1949 R.string.config_customResolverActivity); 1950 if (TextUtils.isEmpty(customResolverActivity)) { 1951 customResolverActivity = null; 1952 } else { 1953 mCustomResolverComponentName = ComponentName.unflattenFromString( 1954 customResolverActivity); 1955 } 1956 1957 long startTime = SystemClock.uptimeMillis(); 1958 1959 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1960 startTime); 1961 1962 // Set flag to monitor and not change apk file paths when 1963 // scanning install directories. 1964 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1965 1966 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1967 1968 /** 1969 * Add everything in the in the boot class path to the 1970 * list of process files because dexopt will have been run 1971 * if necessary during zygote startup. 1972 */ 1973 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1974 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1975 1976 if (bootClassPath != null) { 1977 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1978 for (String element : bootClassPathElements) { 1979 alreadyDexOpted.add(element); 1980 } 1981 } else { 1982 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1983 } 1984 1985 if (systemServerClassPath != null) { 1986 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1987 for (String element : systemServerClassPathElements) { 1988 alreadyDexOpted.add(element); 1989 } 1990 } else { 1991 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1992 } 1993 1994 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1995 final String[] dexCodeInstructionSets = 1996 getDexCodeInstructionSets( 1997 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1998 1999 /** 2000 * Ensure all external libraries have had dexopt run on them. 2001 */ 2002 if (mSharedLibraries.size() > 0) { 2003 // NOTE: For now, we're compiling these system "shared libraries" 2004 // (and framework jars) into all available architectures. It's possible 2005 // to compile them only when we come across an app that uses them (there's 2006 // already logic for that in scanPackageLI) but that adds some complexity. 2007 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2008 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2009 final String lib = libEntry.path; 2010 if (lib == null) { 2011 continue; 2012 } 2013 2014 try { 2015 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2016 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2017 alreadyDexOpted.add(lib); 2018 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 2019 } 2020 } catch (FileNotFoundException e) { 2021 Slog.w(TAG, "Library not found: " + lib); 2022 } catch (IOException e) { 2023 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2024 + e.getMessage()); 2025 } 2026 } 2027 } 2028 } 2029 2030 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2031 2032 // Gross hack for now: we know this file doesn't contain any 2033 // code, so don't dexopt it to avoid the resulting log spew. 2034 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 2035 2036 // Gross hack for now: we know this file is only part of 2037 // the boot class path for art, so don't dexopt it to 2038 // avoid the resulting log spew. 2039 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2040 2041 /** 2042 * There are a number of commands implemented in Java, which 2043 * we currently need to do the dexopt on so that they can be 2044 * run from a non-root shell. 2045 */ 2046 String[] frameworkFiles = frameworkDir.list(); 2047 if (frameworkFiles != null) { 2048 // TODO: We could compile these only for the most preferred ABI. We should 2049 // first double check that the dex files for these commands are not referenced 2050 // by other system apps. 2051 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2052 for (int i=0; i<frameworkFiles.length; i++) { 2053 File libPath = new File(frameworkDir, frameworkFiles[i]); 2054 String path = libPath.getPath(); 2055 // Skip the file if we already did it. 2056 if (alreadyDexOpted.contains(path)) { 2057 continue; 2058 } 2059 // Skip the file if it is not a type we want to dexopt. 2060 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2061 continue; 2062 } 2063 try { 2064 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2065 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2066 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 2067 } 2068 } catch (FileNotFoundException e) { 2069 Slog.w(TAG, "Jar not found: " + path); 2070 } catch (IOException e) { 2071 Slog.w(TAG, "Exception reading jar: " + path, e); 2072 } 2073 } 2074 } 2075 } 2076 2077 final VersionInfo ver = mSettings.getInternalVersion(); 2078 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2079 // when upgrading from pre-M, promote system app permissions from install to runtime 2080 mPromoteSystemApps = 2081 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2082 2083 // save off the names of pre-existing system packages prior to scanning; we don't 2084 // want to automatically grant runtime permissions for new system apps 2085 if (mPromoteSystemApps) { 2086 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2087 while (pkgSettingIter.hasNext()) { 2088 PackageSetting ps = pkgSettingIter.next(); 2089 if (isSystemApp(ps)) { 2090 mExistingSystemPackages.add(ps.name); 2091 } 2092 } 2093 } 2094 2095 // Collect vendor overlay packages. 2096 // (Do this before scanning any apps.) 2097 // For security and version matching reason, only consider 2098 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2099 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2100 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2101 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2102 2103 // Find base frameworks (resource packages without code). 2104 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2105 | PackageParser.PARSE_IS_SYSTEM_DIR 2106 | PackageParser.PARSE_IS_PRIVILEGED, 2107 scanFlags | SCAN_NO_DEX, 0); 2108 2109 // Collected privileged system packages. 2110 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2111 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2112 | PackageParser.PARSE_IS_SYSTEM_DIR 2113 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2114 2115 // Collect ordinary system packages. 2116 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2117 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2118 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2119 2120 // Collect all vendor packages. 2121 File vendorAppDir = new File("/vendor/app"); 2122 try { 2123 vendorAppDir = vendorAppDir.getCanonicalFile(); 2124 } catch (IOException e) { 2125 // failed to look up canonical path, continue with original one 2126 } 2127 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2128 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2129 2130 // Collect all OEM packages. 2131 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2132 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2133 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2134 2135 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2136 mInstaller.moveFiles(); 2137 2138 // Prune any system packages that no longer exist. 2139 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2140 if (!mOnlyCore) { 2141 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2142 while (psit.hasNext()) { 2143 PackageSetting ps = psit.next(); 2144 2145 /* 2146 * If this is not a system app, it can't be a 2147 * disable system app. 2148 */ 2149 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2150 continue; 2151 } 2152 2153 /* 2154 * If the package is scanned, it's not erased. 2155 */ 2156 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2157 if (scannedPkg != null) { 2158 /* 2159 * If the system app is both scanned and in the 2160 * disabled packages list, then it must have been 2161 * added via OTA. Remove it from the currently 2162 * scanned package so the previously user-installed 2163 * application can be scanned. 2164 */ 2165 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2166 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2167 + ps.name + "; removing system app. Last known codePath=" 2168 + ps.codePathString + ", installStatus=" + ps.installStatus 2169 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2170 + scannedPkg.mVersionCode); 2171 removePackageLI(ps, true); 2172 mExpectingBetter.put(ps.name, ps.codePath); 2173 } 2174 2175 continue; 2176 } 2177 2178 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2179 psit.remove(); 2180 logCriticalInfo(Log.WARN, "System package " + ps.name 2181 + " no longer exists; wiping its data"); 2182 removeDataDirsLI(null, ps.name); 2183 } else { 2184 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2185 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2186 possiblyDeletedUpdatedSystemApps.add(ps.name); 2187 } 2188 } 2189 } 2190 } 2191 2192 //look for any incomplete package installations 2193 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2194 //clean up list 2195 for(int i = 0; i < deletePkgsList.size(); i++) { 2196 //clean up here 2197 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2198 } 2199 //delete tmp files 2200 deleteTempPackageFiles(); 2201 2202 // Remove any shared userIDs that have no associated packages 2203 mSettings.pruneSharedUsersLPw(); 2204 2205 if (!mOnlyCore) { 2206 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2207 SystemClock.uptimeMillis()); 2208 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2209 2210 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2211 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2212 2213 /** 2214 * Remove disable package settings for any updated system 2215 * apps that were removed via an OTA. If they're not a 2216 * previously-updated app, remove them completely. 2217 * Otherwise, just revoke their system-level permissions. 2218 */ 2219 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2220 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2221 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2222 2223 String msg; 2224 if (deletedPkg == null) { 2225 msg = "Updated system package " + deletedAppName 2226 + " no longer exists; wiping its data"; 2227 removeDataDirsLI(null, deletedAppName); 2228 } else { 2229 msg = "Updated system app + " + deletedAppName 2230 + " no longer present; removing system privileges for " 2231 + deletedAppName; 2232 2233 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2234 2235 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2236 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2237 } 2238 logCriticalInfo(Log.WARN, msg); 2239 } 2240 2241 /** 2242 * Make sure all system apps that we expected to appear on 2243 * the userdata partition actually showed up. If they never 2244 * appeared, crawl back and revive the system version. 2245 */ 2246 for (int i = 0; i < mExpectingBetter.size(); i++) { 2247 final String packageName = mExpectingBetter.keyAt(i); 2248 if (!mPackages.containsKey(packageName)) { 2249 final File scanFile = mExpectingBetter.valueAt(i); 2250 2251 logCriticalInfo(Log.WARN, "Expected better " + packageName 2252 + " but never showed up; reverting to system"); 2253 2254 final int reparseFlags; 2255 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2256 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2257 | PackageParser.PARSE_IS_SYSTEM_DIR 2258 | PackageParser.PARSE_IS_PRIVILEGED; 2259 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2260 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2261 | PackageParser.PARSE_IS_SYSTEM_DIR; 2262 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2263 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2264 | PackageParser.PARSE_IS_SYSTEM_DIR; 2265 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2266 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2267 | PackageParser.PARSE_IS_SYSTEM_DIR; 2268 } else { 2269 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2270 continue; 2271 } 2272 2273 mSettings.enableSystemPackageLPw(packageName); 2274 2275 try { 2276 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2277 } catch (PackageManagerException e) { 2278 Slog.e(TAG, "Failed to parse original system package: " 2279 + e.getMessage()); 2280 } 2281 } 2282 } 2283 } 2284 mExpectingBetter.clear(); 2285 2286 // Now that we know all of the shared libraries, update all clients to have 2287 // the correct library paths. 2288 updateAllSharedLibrariesLPw(); 2289 2290 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2291 // NOTE: We ignore potential failures here during a system scan (like 2292 // the rest of the commands above) because there's precious little we 2293 // can do about it. A settings error is reported, though. 2294 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2295 false /* force dexopt */, false /* defer dexopt */); 2296 } 2297 2298 // Now that we know all the packages we are keeping, 2299 // read and update their last usage times. 2300 mPackageUsage.readLP(); 2301 2302 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2303 SystemClock.uptimeMillis()); 2304 Slog.i(TAG, "Time to scan packages: " 2305 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2306 + " seconds"); 2307 2308 // If the platform SDK has changed since the last time we booted, 2309 // we need to re-grant app permission to catch any new ones that 2310 // appear. This is really a hack, and means that apps can in some 2311 // cases get permissions that the user didn't initially explicitly 2312 // allow... it would be nice to have some better way to handle 2313 // this situation. 2314 int updateFlags = UPDATE_PERMISSIONS_ALL; 2315 if (ver.sdkVersion != mSdkVersion) { 2316 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2317 + mSdkVersion + "; regranting permissions for internal storage"); 2318 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2319 } 2320 updatePermissionsLPw(null, null, updateFlags); 2321 ver.sdkVersion = mSdkVersion; 2322 // clear only after permissions have been updated 2323 mExistingSystemPackages.clear(); 2324 mPromoteSystemApps = false; 2325 2326 // If this is the first boot, and it is a normal boot, then 2327 // we need to initialize the default preferred apps. 2328 if (!mRestoredSettings && !onlyCore) { 2329 mSettings.applyDefaultPreferredAppsLPw(this, UserHandle.USER_OWNER); 2330 applyFactoryDefaultBrowserLPw(UserHandle.USER_OWNER); 2331 primeDomainVerificationsLPw(UserHandle.USER_OWNER); 2332 } 2333 2334 // If this is first boot after an OTA, and a normal boot, then 2335 // we need to clear code cache directories. 2336 if (mIsUpgrade && !onlyCore) { 2337 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2338 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2339 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2340 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2341 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2342 } 2343 } 2344 ver.fingerprint = Build.FINGERPRINT; 2345 } 2346 2347 checkDefaultBrowser(); 2348 2349 // All the changes are done during package scanning. 2350 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2351 2352 // can downgrade to reader 2353 mSettings.writeLPr(); 2354 2355 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2356 SystemClock.uptimeMillis()); 2357 2358 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2359 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2360 2361 mInstallerService = new PackageInstallerService(context, this); 2362 2363 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2364 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2365 mIntentFilterVerifierComponent); 2366 2367 } // synchronized (mPackages) 2368 } // synchronized (mInstallLock) 2369 2370 // Now after opening every single application zip, make sure they 2371 // are all flushed. Not really needed, but keeps things nice and 2372 // tidy. 2373 Runtime.getRuntime().gc(); 2374 2375 // Expose private service for system components to use. 2376 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2377 } 2378 2379 @Override 2380 public boolean isFirstBoot() { 2381 return !mRestoredSettings; 2382 } 2383 2384 @Override 2385 public boolean isOnlyCoreApps() { 2386 return mOnlyCore; 2387 } 2388 2389 @Override 2390 public boolean isUpgrade() { 2391 return mIsUpgrade; 2392 } 2393 2394 private String getRequiredVerifierLPr() { 2395 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2396 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2397 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2398 2399 String requiredVerifier = null; 2400 2401 final int N = receivers.size(); 2402 for (int i = 0; i < N; i++) { 2403 final ResolveInfo info = receivers.get(i); 2404 2405 if (info.activityInfo == null) { 2406 continue; 2407 } 2408 2409 final String packageName = info.activityInfo.packageName; 2410 2411 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2412 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2413 continue; 2414 } 2415 2416 if (requiredVerifier != null) { 2417 throw new RuntimeException("There can be only one required verifier"); 2418 } 2419 2420 requiredVerifier = packageName; 2421 } 2422 2423 return requiredVerifier; 2424 } 2425 2426 private String getRequiredInstallerLPr() { 2427 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2428 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2429 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2430 2431 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2432 PACKAGE_MIME_TYPE, 0, 0); 2433 2434 String requiredInstaller = null; 2435 2436 final int N = installers.size(); 2437 for (int i = 0; i < N; i++) { 2438 final ResolveInfo info = installers.get(i); 2439 final String packageName = info.activityInfo.packageName; 2440 2441 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2442 continue; 2443 } 2444 2445 if (requiredInstaller != null) { 2446 throw new RuntimeException("There must be one required installer"); 2447 } 2448 2449 requiredInstaller = packageName; 2450 } 2451 2452 if (requiredInstaller == null) { 2453 throw new RuntimeException("There must be one required installer"); 2454 } 2455 2456 return requiredInstaller; 2457 } 2458 2459 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2460 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2461 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2462 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2463 2464 ComponentName verifierComponentName = null; 2465 2466 int priority = -1000; 2467 final int N = receivers.size(); 2468 for (int i = 0; i < N; i++) { 2469 final ResolveInfo info = receivers.get(i); 2470 2471 if (info.activityInfo == null) { 2472 continue; 2473 } 2474 2475 final String packageName = info.activityInfo.packageName; 2476 2477 final PackageSetting ps = mSettings.mPackages.get(packageName); 2478 if (ps == null) { 2479 continue; 2480 } 2481 2482 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2483 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2484 continue; 2485 } 2486 2487 // Select the IntentFilterVerifier with the highest priority 2488 if (priority < info.priority) { 2489 priority = info.priority; 2490 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2491 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2492 + verifierComponentName + " with priority: " + info.priority); 2493 } 2494 } 2495 2496 return verifierComponentName; 2497 } 2498 2499 private void primeDomainVerificationsLPw(int userId) { 2500 if (DEBUG_DOMAIN_VERIFICATION) { 2501 Slog.d(TAG, "Priming domain verifications in user " + userId); 2502 } 2503 2504 SystemConfig systemConfig = SystemConfig.getInstance(); 2505 ArraySet<String> packages = systemConfig.getLinkedApps(); 2506 ArraySet<String> domains = new ArraySet<String>(); 2507 2508 for (String packageName : packages) { 2509 PackageParser.Package pkg = mPackages.get(packageName); 2510 if (pkg != null) { 2511 if (!pkg.isSystemApp()) { 2512 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2513 continue; 2514 } 2515 2516 domains.clear(); 2517 for (PackageParser.Activity a : pkg.activities) { 2518 for (ActivityIntentInfo filter : a.intents) { 2519 if (hasValidDomains(filter)) { 2520 domains.addAll(filter.getHostsList()); 2521 } 2522 } 2523 } 2524 2525 if (domains.size() > 0) { 2526 if (DEBUG_DOMAIN_VERIFICATION) { 2527 Slog.v(TAG, " + " + packageName); 2528 } 2529 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2530 // state w.r.t. the formal app-linkage "no verification attempted" state; 2531 // and then 'always' in the per-user state actually used for intent resolution. 2532 final IntentFilterVerificationInfo ivi; 2533 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2534 new ArrayList<String>(domains)); 2535 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2536 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2537 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2538 } else { 2539 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2540 + "' does not handle web links"); 2541 } 2542 } else { 2543 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2544 } 2545 } 2546 2547 scheduleWritePackageRestrictionsLocked(userId); 2548 scheduleWriteSettingsLocked(); 2549 } 2550 2551 private void applyFactoryDefaultBrowserLPw(int userId) { 2552 // The default browser app's package name is stored in a string resource, 2553 // with a product-specific overlay used for vendor customization. 2554 String browserPkg = mContext.getResources().getString( 2555 com.android.internal.R.string.default_browser); 2556 if (!TextUtils.isEmpty(browserPkg)) { 2557 // non-empty string => required to be a known package 2558 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2559 if (ps == null) { 2560 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2561 browserPkg = null; 2562 } else { 2563 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2564 } 2565 } 2566 2567 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2568 // default. If there's more than one, just leave everything alone. 2569 if (browserPkg == null) { 2570 calculateDefaultBrowserLPw(userId); 2571 } 2572 } 2573 2574 private void calculateDefaultBrowserLPw(int userId) { 2575 List<String> allBrowsers = resolveAllBrowserApps(userId); 2576 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2577 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2578 } 2579 2580 private List<String> resolveAllBrowserApps(int userId) { 2581 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2582 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2583 PackageManager.MATCH_ALL, userId); 2584 2585 final int count = list.size(); 2586 List<String> result = new ArrayList<String>(count); 2587 for (int i=0; i<count; i++) { 2588 ResolveInfo info = list.get(i); 2589 if (info.activityInfo == null 2590 || !info.handleAllWebDataURI 2591 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2592 || result.contains(info.activityInfo.packageName)) { 2593 continue; 2594 } 2595 result.add(info.activityInfo.packageName); 2596 } 2597 2598 return result; 2599 } 2600 2601 private boolean packageIsBrowser(String packageName, int userId) { 2602 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2603 PackageManager.MATCH_ALL, userId); 2604 final int N = list.size(); 2605 for (int i = 0; i < N; i++) { 2606 ResolveInfo info = list.get(i); 2607 if (packageName.equals(info.activityInfo.packageName)) { 2608 return true; 2609 } 2610 } 2611 return false; 2612 } 2613 2614 private void checkDefaultBrowser() { 2615 final int myUserId = UserHandle.myUserId(); 2616 final String packageName = getDefaultBrowserPackageName(myUserId); 2617 if (packageName != null) { 2618 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2619 if (info == null) { 2620 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2621 synchronized (mPackages) { 2622 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2623 } 2624 } 2625 } 2626 } 2627 2628 @Override 2629 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2630 throws RemoteException { 2631 try { 2632 return super.onTransact(code, data, reply, flags); 2633 } catch (RuntimeException e) { 2634 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2635 Slog.wtf(TAG, "Package Manager Crash", e); 2636 } 2637 throw e; 2638 } 2639 } 2640 2641 void cleanupInstallFailedPackage(PackageSetting ps) { 2642 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2643 2644 removeDataDirsLI(ps.volumeUuid, ps.name); 2645 if (ps.codePath != null) { 2646 if (ps.codePath.isDirectory()) { 2647 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2648 } else { 2649 ps.codePath.delete(); 2650 } 2651 } 2652 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2653 if (ps.resourcePath.isDirectory()) { 2654 FileUtils.deleteContents(ps.resourcePath); 2655 } 2656 ps.resourcePath.delete(); 2657 } 2658 mSettings.removePackageLPw(ps.name); 2659 } 2660 2661 static int[] appendInts(int[] cur, int[] add) { 2662 if (add == null) return cur; 2663 if (cur == null) return add; 2664 final int N = add.length; 2665 for (int i=0; i<N; i++) { 2666 cur = appendInt(cur, add[i]); 2667 } 2668 return cur; 2669 } 2670 2671 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2672 if (!sUserManager.exists(userId)) return null; 2673 final PackageSetting ps = (PackageSetting) p.mExtras; 2674 if (ps == null) { 2675 return null; 2676 } 2677 2678 final PermissionsState permissionsState = ps.getPermissionsState(); 2679 2680 final int[] gids = permissionsState.computeGids(userId); 2681 final Set<String> permissions = permissionsState.getPermissions(userId); 2682 final PackageUserState state = ps.readUserState(userId); 2683 2684 return PackageParser.generatePackageInfo(p, gids, flags, 2685 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2686 } 2687 2688 @Override 2689 public boolean isPackageFrozen(String packageName) { 2690 synchronized (mPackages) { 2691 final PackageSetting ps = mSettings.mPackages.get(packageName); 2692 if (ps != null) { 2693 return ps.frozen; 2694 } 2695 } 2696 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2697 return true; 2698 } 2699 2700 @Override 2701 public boolean isPackageAvailable(String packageName, int userId) { 2702 if (!sUserManager.exists(userId)) return false; 2703 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2704 synchronized (mPackages) { 2705 PackageParser.Package p = mPackages.get(packageName); 2706 if (p != null) { 2707 final PackageSetting ps = (PackageSetting) p.mExtras; 2708 if (ps != null) { 2709 final PackageUserState state = ps.readUserState(userId); 2710 if (state != null) { 2711 return PackageParser.isAvailable(state); 2712 } 2713 } 2714 } 2715 } 2716 return false; 2717 } 2718 2719 @Override 2720 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2721 if (!sUserManager.exists(userId)) return null; 2722 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2723 // reader 2724 synchronized (mPackages) { 2725 PackageParser.Package p = mPackages.get(packageName); 2726 if (DEBUG_PACKAGE_INFO) 2727 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2728 if (p != null) { 2729 return generatePackageInfo(p, flags, userId); 2730 } 2731 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2732 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2733 } 2734 } 2735 return null; 2736 } 2737 2738 @Override 2739 public String[] currentToCanonicalPackageNames(String[] names) { 2740 String[] out = new String[names.length]; 2741 // reader 2742 synchronized (mPackages) { 2743 for (int i=names.length-1; i>=0; i--) { 2744 PackageSetting ps = mSettings.mPackages.get(names[i]); 2745 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2746 } 2747 } 2748 return out; 2749 } 2750 2751 @Override 2752 public String[] canonicalToCurrentPackageNames(String[] names) { 2753 String[] out = new String[names.length]; 2754 // reader 2755 synchronized (mPackages) { 2756 for (int i=names.length-1; i>=0; i--) { 2757 String cur = mSettings.mRenamedPackages.get(names[i]); 2758 out[i] = cur != null ? cur : names[i]; 2759 } 2760 } 2761 return out; 2762 } 2763 2764 @Override 2765 public int getPackageUid(String packageName, int userId) { 2766 if (!sUserManager.exists(userId)) return -1; 2767 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2768 2769 // reader 2770 synchronized (mPackages) { 2771 PackageParser.Package p = mPackages.get(packageName); 2772 if(p != null) { 2773 return UserHandle.getUid(userId, p.applicationInfo.uid); 2774 } 2775 PackageSetting ps = mSettings.mPackages.get(packageName); 2776 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2777 return -1; 2778 } 2779 p = ps.pkg; 2780 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2781 } 2782 } 2783 2784 @Override 2785 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2786 if (!sUserManager.exists(userId)) { 2787 return null; 2788 } 2789 2790 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2791 "getPackageGids"); 2792 2793 // reader 2794 synchronized (mPackages) { 2795 PackageParser.Package p = mPackages.get(packageName); 2796 if (DEBUG_PACKAGE_INFO) { 2797 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2798 } 2799 if (p != null) { 2800 PackageSetting ps = (PackageSetting) p.mExtras; 2801 return ps.getPermissionsState().computeGids(userId); 2802 } 2803 } 2804 2805 return null; 2806 } 2807 2808 static PermissionInfo generatePermissionInfo( 2809 BasePermission bp, int flags) { 2810 if (bp.perm != null) { 2811 return PackageParser.generatePermissionInfo(bp.perm, flags); 2812 } 2813 PermissionInfo pi = new PermissionInfo(); 2814 pi.name = bp.name; 2815 pi.packageName = bp.sourcePackage; 2816 pi.nonLocalizedLabel = bp.name; 2817 pi.protectionLevel = bp.protectionLevel; 2818 return pi; 2819 } 2820 2821 @Override 2822 public PermissionInfo getPermissionInfo(String name, int flags) { 2823 // reader 2824 synchronized (mPackages) { 2825 final BasePermission p = mSettings.mPermissions.get(name); 2826 if (p != null) { 2827 return generatePermissionInfo(p, flags); 2828 } 2829 return null; 2830 } 2831 } 2832 2833 @Override 2834 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2835 // reader 2836 synchronized (mPackages) { 2837 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2838 for (BasePermission p : mSettings.mPermissions.values()) { 2839 if (group == null) { 2840 if (p.perm == null || p.perm.info.group == null) { 2841 out.add(generatePermissionInfo(p, flags)); 2842 } 2843 } else { 2844 if (p.perm != null && group.equals(p.perm.info.group)) { 2845 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2846 } 2847 } 2848 } 2849 2850 if (out.size() > 0) { 2851 return out; 2852 } 2853 return mPermissionGroups.containsKey(group) ? out : null; 2854 } 2855 } 2856 2857 @Override 2858 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2859 // reader 2860 synchronized (mPackages) { 2861 return PackageParser.generatePermissionGroupInfo( 2862 mPermissionGroups.get(name), flags); 2863 } 2864 } 2865 2866 @Override 2867 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2868 // reader 2869 synchronized (mPackages) { 2870 final int N = mPermissionGroups.size(); 2871 ArrayList<PermissionGroupInfo> out 2872 = new ArrayList<PermissionGroupInfo>(N); 2873 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2874 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2875 } 2876 return out; 2877 } 2878 } 2879 2880 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2881 int userId) { 2882 if (!sUserManager.exists(userId)) return null; 2883 PackageSetting ps = mSettings.mPackages.get(packageName); 2884 if (ps != null) { 2885 if (ps.pkg == null) { 2886 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2887 flags, userId); 2888 if (pInfo != null) { 2889 return pInfo.applicationInfo; 2890 } 2891 return null; 2892 } 2893 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2894 ps.readUserState(userId), userId); 2895 } 2896 return null; 2897 } 2898 2899 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2900 int userId) { 2901 if (!sUserManager.exists(userId)) return null; 2902 PackageSetting ps = mSettings.mPackages.get(packageName); 2903 if (ps != null) { 2904 PackageParser.Package pkg = ps.pkg; 2905 if (pkg == null) { 2906 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2907 return null; 2908 } 2909 // Only data remains, so we aren't worried about code paths 2910 pkg = new PackageParser.Package(packageName); 2911 pkg.applicationInfo.packageName = packageName; 2912 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2913 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2914 pkg.applicationInfo.dataDir = Environment 2915 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2916 .getAbsolutePath(); 2917 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2918 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2919 } 2920 return generatePackageInfo(pkg, flags, userId); 2921 } 2922 return null; 2923 } 2924 2925 @Override 2926 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2927 if (!sUserManager.exists(userId)) return null; 2928 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2929 // writer 2930 synchronized (mPackages) { 2931 PackageParser.Package p = mPackages.get(packageName); 2932 if (DEBUG_PACKAGE_INFO) Log.v( 2933 TAG, "getApplicationInfo " + packageName 2934 + ": " + p); 2935 if (p != null) { 2936 PackageSetting ps = mSettings.mPackages.get(packageName); 2937 if (ps == null) return null; 2938 // Note: isEnabledLP() does not apply here - always return info 2939 return PackageParser.generateApplicationInfo( 2940 p, flags, ps.readUserState(userId), userId); 2941 } 2942 if ("android".equals(packageName)||"system".equals(packageName)) { 2943 return mAndroidApplication; 2944 } 2945 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2946 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2947 } 2948 } 2949 return null; 2950 } 2951 2952 @Override 2953 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2954 final IPackageDataObserver observer) { 2955 mContext.enforceCallingOrSelfPermission( 2956 android.Manifest.permission.CLEAR_APP_CACHE, null); 2957 // Queue up an async operation since clearing cache may take a little while. 2958 mHandler.post(new Runnable() { 2959 public void run() { 2960 mHandler.removeCallbacks(this); 2961 int retCode = -1; 2962 synchronized (mInstallLock) { 2963 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2964 if (retCode < 0) { 2965 Slog.w(TAG, "Couldn't clear application caches"); 2966 } 2967 } 2968 if (observer != null) { 2969 try { 2970 observer.onRemoveCompleted(null, (retCode >= 0)); 2971 } catch (RemoteException e) { 2972 Slog.w(TAG, "RemoveException when invoking call back"); 2973 } 2974 } 2975 } 2976 }); 2977 } 2978 2979 @Override 2980 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2981 final IntentSender pi) { 2982 mContext.enforceCallingOrSelfPermission( 2983 android.Manifest.permission.CLEAR_APP_CACHE, null); 2984 // Queue up an async operation since clearing cache may take a little while. 2985 mHandler.post(new Runnable() { 2986 public void run() { 2987 mHandler.removeCallbacks(this); 2988 int retCode = -1; 2989 synchronized (mInstallLock) { 2990 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2991 if (retCode < 0) { 2992 Slog.w(TAG, "Couldn't clear application caches"); 2993 } 2994 } 2995 if(pi != null) { 2996 try { 2997 // Callback via pending intent 2998 int code = (retCode >= 0) ? 1 : 0; 2999 pi.sendIntent(null, code, null, 3000 null, null); 3001 } catch (SendIntentException e1) { 3002 Slog.i(TAG, "Failed to send pending intent"); 3003 } 3004 } 3005 } 3006 }); 3007 } 3008 3009 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3010 synchronized (mInstallLock) { 3011 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3012 throw new IOException("Failed to free enough space"); 3013 } 3014 } 3015 } 3016 3017 @Override 3018 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3019 if (!sUserManager.exists(userId)) return null; 3020 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3021 synchronized (mPackages) { 3022 PackageParser.Activity a = mActivities.mActivities.get(component); 3023 3024 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3025 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3026 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3027 if (ps == null) return null; 3028 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3029 userId); 3030 } 3031 if (mResolveComponentName.equals(component)) { 3032 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3033 new PackageUserState(), userId); 3034 } 3035 } 3036 return null; 3037 } 3038 3039 @Override 3040 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3041 String resolvedType) { 3042 synchronized (mPackages) { 3043 if (component.equals(mResolveComponentName)) { 3044 // The resolver supports EVERYTHING! 3045 return true; 3046 } 3047 PackageParser.Activity a = mActivities.mActivities.get(component); 3048 if (a == null) { 3049 return false; 3050 } 3051 for (int i=0; i<a.intents.size(); i++) { 3052 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3053 intent.getData(), intent.getCategories(), TAG) >= 0) { 3054 return true; 3055 } 3056 } 3057 return false; 3058 } 3059 } 3060 3061 @Override 3062 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3063 if (!sUserManager.exists(userId)) return null; 3064 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3065 synchronized (mPackages) { 3066 PackageParser.Activity a = mReceivers.mActivities.get(component); 3067 if (DEBUG_PACKAGE_INFO) Log.v( 3068 TAG, "getReceiverInfo " + component + ": " + a); 3069 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3070 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3071 if (ps == null) return null; 3072 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3073 userId); 3074 } 3075 } 3076 return null; 3077 } 3078 3079 @Override 3080 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3081 if (!sUserManager.exists(userId)) return null; 3082 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3083 synchronized (mPackages) { 3084 PackageParser.Service s = mServices.mServices.get(component); 3085 if (DEBUG_PACKAGE_INFO) Log.v( 3086 TAG, "getServiceInfo " + component + ": " + s); 3087 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3088 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3089 if (ps == null) return null; 3090 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3091 userId); 3092 } 3093 } 3094 return null; 3095 } 3096 3097 @Override 3098 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3099 if (!sUserManager.exists(userId)) return null; 3100 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3101 synchronized (mPackages) { 3102 PackageParser.Provider p = mProviders.mProviders.get(component); 3103 if (DEBUG_PACKAGE_INFO) Log.v( 3104 TAG, "getProviderInfo " + component + ": " + p); 3105 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3106 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3107 if (ps == null) return null; 3108 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3109 userId); 3110 } 3111 } 3112 return null; 3113 } 3114 3115 @Override 3116 public String[] getSystemSharedLibraryNames() { 3117 Set<String> libSet; 3118 synchronized (mPackages) { 3119 libSet = mSharedLibraries.keySet(); 3120 int size = libSet.size(); 3121 if (size > 0) { 3122 String[] libs = new String[size]; 3123 libSet.toArray(libs); 3124 return libs; 3125 } 3126 } 3127 return null; 3128 } 3129 3130 /** 3131 * @hide 3132 */ 3133 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3134 synchronized (mPackages) { 3135 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3136 if (lib != null && lib.apk != null) { 3137 return mPackages.get(lib.apk); 3138 } 3139 } 3140 return null; 3141 } 3142 3143 @Override 3144 public FeatureInfo[] getSystemAvailableFeatures() { 3145 Collection<FeatureInfo> featSet; 3146 synchronized (mPackages) { 3147 featSet = mAvailableFeatures.values(); 3148 int size = featSet.size(); 3149 if (size > 0) { 3150 FeatureInfo[] features = new FeatureInfo[size+1]; 3151 featSet.toArray(features); 3152 FeatureInfo fi = new FeatureInfo(); 3153 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3154 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3155 features[size] = fi; 3156 return features; 3157 } 3158 } 3159 return null; 3160 } 3161 3162 @Override 3163 public boolean hasSystemFeature(String name) { 3164 synchronized (mPackages) { 3165 return mAvailableFeatures.containsKey(name); 3166 } 3167 } 3168 3169 private void checkValidCaller(int uid, int userId) { 3170 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3171 return; 3172 3173 throw new SecurityException("Caller uid=" + uid 3174 + " is not privileged to communicate with user=" + userId); 3175 } 3176 3177 @Override 3178 public int checkPermission(String permName, String pkgName, int userId) { 3179 if (!sUserManager.exists(userId)) { 3180 return PackageManager.PERMISSION_DENIED; 3181 } 3182 3183 synchronized (mPackages) { 3184 final PackageParser.Package p = mPackages.get(pkgName); 3185 if (p != null && p.mExtras != null) { 3186 final PackageSetting ps = (PackageSetting) p.mExtras; 3187 final PermissionsState permissionsState = ps.getPermissionsState(); 3188 if (permissionsState.hasPermission(permName, userId)) { 3189 return PackageManager.PERMISSION_GRANTED; 3190 } 3191 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3192 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3193 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3194 return PackageManager.PERMISSION_GRANTED; 3195 } 3196 } 3197 } 3198 3199 return PackageManager.PERMISSION_DENIED; 3200 } 3201 3202 @Override 3203 public int checkUidPermission(String permName, int uid) { 3204 final int userId = UserHandle.getUserId(uid); 3205 3206 if (!sUserManager.exists(userId)) { 3207 return PackageManager.PERMISSION_DENIED; 3208 } 3209 3210 synchronized (mPackages) { 3211 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3212 if (obj != null) { 3213 final SettingBase ps = (SettingBase) obj; 3214 final PermissionsState permissionsState = ps.getPermissionsState(); 3215 if (permissionsState.hasPermission(permName, userId)) { 3216 return PackageManager.PERMISSION_GRANTED; 3217 } 3218 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3219 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3220 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3221 return PackageManager.PERMISSION_GRANTED; 3222 } 3223 } else { 3224 ArraySet<String> perms = mSystemPermissions.get(uid); 3225 if (perms != null) { 3226 if (perms.contains(permName)) { 3227 return PackageManager.PERMISSION_GRANTED; 3228 } 3229 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3230 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3231 return PackageManager.PERMISSION_GRANTED; 3232 } 3233 } 3234 } 3235 } 3236 3237 return PackageManager.PERMISSION_DENIED; 3238 } 3239 3240 @Override 3241 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3242 if (UserHandle.getCallingUserId() != userId) { 3243 mContext.enforceCallingPermission( 3244 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3245 "isPermissionRevokedByPolicy for user " + userId); 3246 } 3247 3248 if (checkPermission(permission, packageName, userId) 3249 == PackageManager.PERMISSION_GRANTED) { 3250 return false; 3251 } 3252 3253 final long identity = Binder.clearCallingIdentity(); 3254 try { 3255 final int flags = getPermissionFlags(permission, packageName, userId); 3256 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3257 } finally { 3258 Binder.restoreCallingIdentity(identity); 3259 } 3260 } 3261 3262 @Override 3263 public String getPermissionControllerPackageName() { 3264 synchronized (mPackages) { 3265 return mRequiredInstallerPackage; 3266 } 3267 } 3268 3269 /** 3270 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3271 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3272 * @param checkShell TODO(yamasani): 3273 * @param message the message to log on security exception 3274 */ 3275 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3276 boolean checkShell, String message) { 3277 if (userId < 0) { 3278 throw new IllegalArgumentException("Invalid userId " + userId); 3279 } 3280 if (checkShell) { 3281 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3282 } 3283 if (userId == UserHandle.getUserId(callingUid)) return; 3284 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3285 if (requireFullPermission) { 3286 mContext.enforceCallingOrSelfPermission( 3287 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3288 } else { 3289 try { 3290 mContext.enforceCallingOrSelfPermission( 3291 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3292 } catch (SecurityException se) { 3293 mContext.enforceCallingOrSelfPermission( 3294 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3295 } 3296 } 3297 } 3298 } 3299 3300 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3301 if (callingUid == Process.SHELL_UID) { 3302 if (userHandle >= 0 3303 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3304 throw new SecurityException("Shell does not have permission to access user " 3305 + userHandle); 3306 } else if (userHandle < 0) { 3307 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3308 + Debug.getCallers(3)); 3309 } 3310 } 3311 } 3312 3313 private BasePermission findPermissionTreeLP(String permName) { 3314 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3315 if (permName.startsWith(bp.name) && 3316 permName.length() > bp.name.length() && 3317 permName.charAt(bp.name.length()) == '.') { 3318 return bp; 3319 } 3320 } 3321 return null; 3322 } 3323 3324 private BasePermission checkPermissionTreeLP(String permName) { 3325 if (permName != null) { 3326 BasePermission bp = findPermissionTreeLP(permName); 3327 if (bp != null) { 3328 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3329 return bp; 3330 } 3331 throw new SecurityException("Calling uid " 3332 + Binder.getCallingUid() 3333 + " is not allowed to add to permission tree " 3334 + bp.name + " owned by uid " + bp.uid); 3335 } 3336 } 3337 throw new SecurityException("No permission tree found for " + permName); 3338 } 3339 3340 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3341 if (s1 == null) { 3342 return s2 == null; 3343 } 3344 if (s2 == null) { 3345 return false; 3346 } 3347 if (s1.getClass() != s2.getClass()) { 3348 return false; 3349 } 3350 return s1.equals(s2); 3351 } 3352 3353 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3354 if (pi1.icon != pi2.icon) return false; 3355 if (pi1.logo != pi2.logo) return false; 3356 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3357 if (!compareStrings(pi1.name, pi2.name)) return false; 3358 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3359 // We'll take care of setting this one. 3360 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3361 // These are not currently stored in settings. 3362 //if (!compareStrings(pi1.group, pi2.group)) return false; 3363 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3364 //if (pi1.labelRes != pi2.labelRes) return false; 3365 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3366 return true; 3367 } 3368 3369 int permissionInfoFootprint(PermissionInfo info) { 3370 int size = info.name.length(); 3371 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3372 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3373 return size; 3374 } 3375 3376 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3377 int size = 0; 3378 for (BasePermission perm : mSettings.mPermissions.values()) { 3379 if (perm.uid == tree.uid) { 3380 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3381 } 3382 } 3383 return size; 3384 } 3385 3386 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3387 // We calculate the max size of permissions defined by this uid and throw 3388 // if that plus the size of 'info' would exceed our stated maximum. 3389 if (tree.uid != Process.SYSTEM_UID) { 3390 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3391 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3392 throw new SecurityException("Permission tree size cap exceeded"); 3393 } 3394 } 3395 } 3396 3397 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3398 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3399 throw new SecurityException("Label must be specified in permission"); 3400 } 3401 BasePermission tree = checkPermissionTreeLP(info.name); 3402 BasePermission bp = mSettings.mPermissions.get(info.name); 3403 boolean added = bp == null; 3404 boolean changed = true; 3405 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3406 if (added) { 3407 enforcePermissionCapLocked(info, tree); 3408 bp = new BasePermission(info.name, tree.sourcePackage, 3409 BasePermission.TYPE_DYNAMIC); 3410 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3411 throw new SecurityException( 3412 "Not allowed to modify non-dynamic permission " 3413 + info.name); 3414 } else { 3415 if (bp.protectionLevel == fixedLevel 3416 && bp.perm.owner.equals(tree.perm.owner) 3417 && bp.uid == tree.uid 3418 && comparePermissionInfos(bp.perm.info, info)) { 3419 changed = false; 3420 } 3421 } 3422 bp.protectionLevel = fixedLevel; 3423 info = new PermissionInfo(info); 3424 info.protectionLevel = fixedLevel; 3425 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3426 bp.perm.info.packageName = tree.perm.info.packageName; 3427 bp.uid = tree.uid; 3428 if (added) { 3429 mSettings.mPermissions.put(info.name, bp); 3430 } 3431 if (changed) { 3432 if (!async) { 3433 mSettings.writeLPr(); 3434 } else { 3435 scheduleWriteSettingsLocked(); 3436 } 3437 } 3438 return added; 3439 } 3440 3441 @Override 3442 public boolean addPermission(PermissionInfo info) { 3443 synchronized (mPackages) { 3444 return addPermissionLocked(info, false); 3445 } 3446 } 3447 3448 @Override 3449 public boolean addPermissionAsync(PermissionInfo info) { 3450 synchronized (mPackages) { 3451 return addPermissionLocked(info, true); 3452 } 3453 } 3454 3455 @Override 3456 public void removePermission(String name) { 3457 synchronized (mPackages) { 3458 checkPermissionTreeLP(name); 3459 BasePermission bp = mSettings.mPermissions.get(name); 3460 if (bp != null) { 3461 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3462 throw new SecurityException( 3463 "Not allowed to modify non-dynamic permission " 3464 + name); 3465 } 3466 mSettings.mPermissions.remove(name); 3467 mSettings.writeLPr(); 3468 } 3469 } 3470 } 3471 3472 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3473 BasePermission bp) { 3474 int index = pkg.requestedPermissions.indexOf(bp.name); 3475 if (index == -1) { 3476 throw new SecurityException("Package " + pkg.packageName 3477 + " has not requested permission " + bp.name); 3478 } 3479 if (!bp.isRuntime() && !bp.isDevelopment()) { 3480 throw new SecurityException("Permission " + bp.name 3481 + " is not a changeable permission type"); 3482 } 3483 } 3484 3485 @Override 3486 public void grantRuntimePermission(String packageName, String name, final int userId) { 3487 if (!sUserManager.exists(userId)) { 3488 Log.e(TAG, "No such user:" + userId); 3489 return; 3490 } 3491 3492 mContext.enforceCallingOrSelfPermission( 3493 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3494 "grantRuntimePermission"); 3495 3496 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3497 "grantRuntimePermission"); 3498 3499 final int uid; 3500 final SettingBase sb; 3501 3502 synchronized (mPackages) { 3503 final PackageParser.Package pkg = mPackages.get(packageName); 3504 if (pkg == null) { 3505 throw new IllegalArgumentException("Unknown package: " + packageName); 3506 } 3507 3508 final BasePermission bp = mSettings.mPermissions.get(name); 3509 if (bp == null) { 3510 throw new IllegalArgumentException("Unknown permission: " + name); 3511 } 3512 3513 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3514 3515 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3516 sb = (SettingBase) pkg.mExtras; 3517 if (sb == null) { 3518 throw new IllegalArgumentException("Unknown package: " + packageName); 3519 } 3520 3521 final PermissionsState permissionsState = sb.getPermissionsState(); 3522 3523 final int flags = permissionsState.getPermissionFlags(name, userId); 3524 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3525 throw new SecurityException("Cannot grant system fixed permission: " 3526 + name + " for package: " + packageName); 3527 } 3528 3529 if (bp.isDevelopment()) { 3530 // Development permissions must be handled specially, since they are not 3531 // normal runtime permissions. For now they apply to all users. 3532 if (permissionsState.grantInstallPermission(bp) != 3533 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3534 scheduleWriteSettingsLocked(); 3535 } 3536 return; 3537 } 3538 3539 final int result = permissionsState.grantRuntimePermission(bp, userId); 3540 switch (result) { 3541 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3542 return; 3543 } 3544 3545 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3546 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3547 mHandler.post(new Runnable() { 3548 @Override 3549 public void run() { 3550 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3551 } 3552 }); 3553 } break; 3554 } 3555 3556 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3557 3558 // Not critical if that is lost - app has to request again. 3559 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3560 } 3561 3562 // Only need to do this if user is initialized. Otherwise it's a new user 3563 // and there are no processes running as the user yet and there's no need 3564 // to make an expensive call to remount processes for the changed permissions. 3565 if (READ_EXTERNAL_STORAGE.equals(name) 3566 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3567 final long token = Binder.clearCallingIdentity(); 3568 try { 3569 if (sUserManager.isInitialized(userId)) { 3570 MountServiceInternal mountServiceInternal = LocalServices.getService( 3571 MountServiceInternal.class); 3572 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3573 } 3574 } finally { 3575 Binder.restoreCallingIdentity(token); 3576 } 3577 } 3578 } 3579 3580 @Override 3581 public void revokeRuntimePermission(String packageName, String name, int userId) { 3582 if (!sUserManager.exists(userId)) { 3583 Log.e(TAG, "No such user:" + userId); 3584 return; 3585 } 3586 3587 mContext.enforceCallingOrSelfPermission( 3588 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3589 "revokeRuntimePermission"); 3590 3591 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3592 "revokeRuntimePermission"); 3593 3594 final int appId; 3595 3596 synchronized (mPackages) { 3597 final PackageParser.Package pkg = mPackages.get(packageName); 3598 if (pkg == null) { 3599 throw new IllegalArgumentException("Unknown package: " + packageName); 3600 } 3601 3602 final BasePermission bp = mSettings.mPermissions.get(name); 3603 if (bp == null) { 3604 throw new IllegalArgumentException("Unknown permission: " + name); 3605 } 3606 3607 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3608 3609 SettingBase sb = (SettingBase) pkg.mExtras; 3610 if (sb == null) { 3611 throw new IllegalArgumentException("Unknown package: " + packageName); 3612 } 3613 3614 final PermissionsState permissionsState = sb.getPermissionsState(); 3615 3616 final int flags = permissionsState.getPermissionFlags(name, userId); 3617 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3618 throw new SecurityException("Cannot revoke system fixed permission: " 3619 + name + " for package: " + packageName); 3620 } 3621 3622 if (bp.isDevelopment()) { 3623 // Development permissions must be handled specially, since they are not 3624 // normal runtime permissions. For now they apply to all users. 3625 if (permissionsState.revokeInstallPermission(bp) != 3626 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3627 scheduleWriteSettingsLocked(); 3628 } 3629 return; 3630 } 3631 3632 if (permissionsState.revokeRuntimePermission(bp, userId) == 3633 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3634 return; 3635 } 3636 3637 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3638 3639 // Critical, after this call app should never have the permission. 3640 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3641 3642 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3643 } 3644 3645 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3646 } 3647 3648 @Override 3649 public void resetRuntimePermissions() { 3650 mContext.enforceCallingOrSelfPermission( 3651 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3652 "revokeRuntimePermission"); 3653 3654 int callingUid = Binder.getCallingUid(); 3655 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3656 mContext.enforceCallingOrSelfPermission( 3657 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3658 "resetRuntimePermissions"); 3659 } 3660 3661 synchronized (mPackages) { 3662 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3663 for (int userId : UserManagerService.getInstance().getUserIds()) { 3664 final int packageCount = mPackages.size(); 3665 for (int i = 0; i < packageCount; i++) { 3666 PackageParser.Package pkg = mPackages.valueAt(i); 3667 if (!(pkg.mExtras instanceof PackageSetting)) { 3668 continue; 3669 } 3670 PackageSetting ps = (PackageSetting) pkg.mExtras; 3671 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3672 } 3673 } 3674 } 3675 } 3676 3677 @Override 3678 public int getPermissionFlags(String name, String packageName, int userId) { 3679 if (!sUserManager.exists(userId)) { 3680 return 0; 3681 } 3682 3683 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3684 3685 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3686 "getPermissionFlags"); 3687 3688 synchronized (mPackages) { 3689 final PackageParser.Package pkg = mPackages.get(packageName); 3690 if (pkg == null) { 3691 throw new IllegalArgumentException("Unknown package: " + packageName); 3692 } 3693 3694 final BasePermission bp = mSettings.mPermissions.get(name); 3695 if (bp == null) { 3696 throw new IllegalArgumentException("Unknown permission: " + name); 3697 } 3698 3699 SettingBase sb = (SettingBase) pkg.mExtras; 3700 if (sb == null) { 3701 throw new IllegalArgumentException("Unknown package: " + packageName); 3702 } 3703 3704 PermissionsState permissionsState = sb.getPermissionsState(); 3705 return permissionsState.getPermissionFlags(name, userId); 3706 } 3707 } 3708 3709 @Override 3710 public void updatePermissionFlags(String name, String packageName, int flagMask, 3711 int flagValues, int userId) { 3712 if (!sUserManager.exists(userId)) { 3713 return; 3714 } 3715 3716 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3717 3718 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3719 "updatePermissionFlags"); 3720 3721 // Only the system can change these flags and nothing else. 3722 if (getCallingUid() != Process.SYSTEM_UID) { 3723 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3724 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3725 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3726 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3727 } 3728 3729 synchronized (mPackages) { 3730 final PackageParser.Package pkg = mPackages.get(packageName); 3731 if (pkg == null) { 3732 throw new IllegalArgumentException("Unknown package: " + packageName); 3733 } 3734 3735 final BasePermission bp = mSettings.mPermissions.get(name); 3736 if (bp == null) { 3737 throw new IllegalArgumentException("Unknown permission: " + name); 3738 } 3739 3740 SettingBase sb = (SettingBase) pkg.mExtras; 3741 if (sb == null) { 3742 throw new IllegalArgumentException("Unknown package: " + packageName); 3743 } 3744 3745 PermissionsState permissionsState = sb.getPermissionsState(); 3746 3747 // Only the package manager can change flags for system component permissions. 3748 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3749 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3750 return; 3751 } 3752 3753 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3754 3755 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3756 // Install and runtime permissions are stored in different places, 3757 // so figure out what permission changed and persist the change. 3758 if (permissionsState.getInstallPermissionState(name) != null) { 3759 scheduleWriteSettingsLocked(); 3760 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3761 || hadState) { 3762 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3763 } 3764 } 3765 } 3766 } 3767 3768 /** 3769 * Update the permission flags for all packages and runtime permissions of a user in order 3770 * to allow device or profile owner to remove POLICY_FIXED. 3771 */ 3772 @Override 3773 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3774 if (!sUserManager.exists(userId)) { 3775 return; 3776 } 3777 3778 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3779 3780 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3781 "updatePermissionFlagsForAllApps"); 3782 3783 // Only the system can change system fixed flags. 3784 if (getCallingUid() != Process.SYSTEM_UID) { 3785 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3786 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3787 } 3788 3789 synchronized (mPackages) { 3790 boolean changed = false; 3791 final int packageCount = mPackages.size(); 3792 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3793 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3794 SettingBase sb = (SettingBase) pkg.mExtras; 3795 if (sb == null) { 3796 continue; 3797 } 3798 PermissionsState permissionsState = sb.getPermissionsState(); 3799 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3800 userId, flagMask, flagValues); 3801 } 3802 if (changed) { 3803 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3804 } 3805 } 3806 } 3807 3808 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3809 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3810 != PackageManager.PERMISSION_GRANTED 3811 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3812 != PackageManager.PERMISSION_GRANTED) { 3813 throw new SecurityException(message + " requires " 3814 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3815 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3816 } 3817 } 3818 3819 @Override 3820 public boolean shouldShowRequestPermissionRationale(String permissionName, 3821 String packageName, int userId) { 3822 if (UserHandle.getCallingUserId() != userId) { 3823 mContext.enforceCallingPermission( 3824 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3825 "canShowRequestPermissionRationale for user " + userId); 3826 } 3827 3828 final int uid = getPackageUid(packageName, userId); 3829 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3830 return false; 3831 } 3832 3833 if (checkPermission(permissionName, packageName, userId) 3834 == PackageManager.PERMISSION_GRANTED) { 3835 return false; 3836 } 3837 3838 final int flags; 3839 3840 final long identity = Binder.clearCallingIdentity(); 3841 try { 3842 flags = getPermissionFlags(permissionName, 3843 packageName, userId); 3844 } finally { 3845 Binder.restoreCallingIdentity(identity); 3846 } 3847 3848 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3849 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3850 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3851 3852 if ((flags & fixedFlags) != 0) { 3853 return false; 3854 } 3855 3856 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3857 } 3858 3859 @Override 3860 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3861 mContext.enforceCallingOrSelfPermission( 3862 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3863 "addOnPermissionsChangeListener"); 3864 3865 synchronized (mPackages) { 3866 mOnPermissionChangeListeners.addListenerLocked(listener); 3867 } 3868 } 3869 3870 @Override 3871 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3872 synchronized (mPackages) { 3873 mOnPermissionChangeListeners.removeListenerLocked(listener); 3874 } 3875 } 3876 3877 @Override 3878 public boolean isProtectedBroadcast(String actionName) { 3879 synchronized (mPackages) { 3880 return mProtectedBroadcasts.contains(actionName); 3881 } 3882 } 3883 3884 @Override 3885 public int checkSignatures(String pkg1, String pkg2) { 3886 synchronized (mPackages) { 3887 final PackageParser.Package p1 = mPackages.get(pkg1); 3888 final PackageParser.Package p2 = mPackages.get(pkg2); 3889 if (p1 == null || p1.mExtras == null 3890 || p2 == null || p2.mExtras == null) { 3891 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3892 } 3893 return compareSignatures(p1.mSignatures, p2.mSignatures); 3894 } 3895 } 3896 3897 @Override 3898 public int checkUidSignatures(int uid1, int uid2) { 3899 // Map to base uids. 3900 uid1 = UserHandle.getAppId(uid1); 3901 uid2 = UserHandle.getAppId(uid2); 3902 // reader 3903 synchronized (mPackages) { 3904 Signature[] s1; 3905 Signature[] s2; 3906 Object obj = mSettings.getUserIdLPr(uid1); 3907 if (obj != null) { 3908 if (obj instanceof SharedUserSetting) { 3909 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3910 } else if (obj instanceof PackageSetting) { 3911 s1 = ((PackageSetting)obj).signatures.mSignatures; 3912 } else { 3913 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3914 } 3915 } else { 3916 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3917 } 3918 obj = mSettings.getUserIdLPr(uid2); 3919 if (obj != null) { 3920 if (obj instanceof SharedUserSetting) { 3921 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3922 } else if (obj instanceof PackageSetting) { 3923 s2 = ((PackageSetting)obj).signatures.mSignatures; 3924 } else { 3925 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3926 } 3927 } else { 3928 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3929 } 3930 return compareSignatures(s1, s2); 3931 } 3932 } 3933 3934 private void killUid(int appId, int userId, String reason) { 3935 final long identity = Binder.clearCallingIdentity(); 3936 try { 3937 IActivityManager am = ActivityManagerNative.getDefault(); 3938 if (am != null) { 3939 try { 3940 am.killUid(appId, userId, reason); 3941 } catch (RemoteException e) { 3942 /* ignore - same process */ 3943 } 3944 } 3945 } finally { 3946 Binder.restoreCallingIdentity(identity); 3947 } 3948 } 3949 3950 /** 3951 * Compares two sets of signatures. Returns: 3952 * <br /> 3953 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3954 * <br /> 3955 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3956 * <br /> 3957 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3958 * <br /> 3959 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3960 * <br /> 3961 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3962 */ 3963 static int compareSignatures(Signature[] s1, Signature[] s2) { 3964 if (s1 == null) { 3965 return s2 == null 3966 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3967 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3968 } 3969 3970 if (s2 == null) { 3971 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3972 } 3973 3974 if (s1.length != s2.length) { 3975 return PackageManager.SIGNATURE_NO_MATCH; 3976 } 3977 3978 // Since both signature sets are of size 1, we can compare without HashSets. 3979 if (s1.length == 1) { 3980 return s1[0].equals(s2[0]) ? 3981 PackageManager.SIGNATURE_MATCH : 3982 PackageManager.SIGNATURE_NO_MATCH; 3983 } 3984 3985 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3986 for (Signature sig : s1) { 3987 set1.add(sig); 3988 } 3989 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3990 for (Signature sig : s2) { 3991 set2.add(sig); 3992 } 3993 // Make sure s2 contains all signatures in s1. 3994 if (set1.equals(set2)) { 3995 return PackageManager.SIGNATURE_MATCH; 3996 } 3997 return PackageManager.SIGNATURE_NO_MATCH; 3998 } 3999 4000 /** 4001 * If the database version for this type of package (internal storage or 4002 * external storage) is less than the version where package signatures 4003 * were updated, return true. 4004 */ 4005 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4006 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4007 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4008 } 4009 4010 /** 4011 * Used for backward compatibility to make sure any packages with 4012 * certificate chains get upgraded to the new style. {@code existingSigs} 4013 * will be in the old format (since they were stored on disk from before the 4014 * system upgrade) and {@code scannedSigs} will be in the newer format. 4015 */ 4016 private int compareSignaturesCompat(PackageSignatures existingSigs, 4017 PackageParser.Package scannedPkg) { 4018 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4019 return PackageManager.SIGNATURE_NO_MATCH; 4020 } 4021 4022 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4023 for (Signature sig : existingSigs.mSignatures) { 4024 existingSet.add(sig); 4025 } 4026 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4027 for (Signature sig : scannedPkg.mSignatures) { 4028 try { 4029 Signature[] chainSignatures = sig.getChainSignatures(); 4030 for (Signature chainSig : chainSignatures) { 4031 scannedCompatSet.add(chainSig); 4032 } 4033 } catch (CertificateEncodingException e) { 4034 scannedCompatSet.add(sig); 4035 } 4036 } 4037 /* 4038 * Make sure the expanded scanned set contains all signatures in the 4039 * existing one. 4040 */ 4041 if (scannedCompatSet.equals(existingSet)) { 4042 // Migrate the old signatures to the new scheme. 4043 existingSigs.assignSignatures(scannedPkg.mSignatures); 4044 // The new KeySets will be re-added later in the scanning process. 4045 synchronized (mPackages) { 4046 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4047 } 4048 return PackageManager.SIGNATURE_MATCH; 4049 } 4050 return PackageManager.SIGNATURE_NO_MATCH; 4051 } 4052 4053 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4054 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4055 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4056 } 4057 4058 private int compareSignaturesRecover(PackageSignatures existingSigs, 4059 PackageParser.Package scannedPkg) { 4060 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4061 return PackageManager.SIGNATURE_NO_MATCH; 4062 } 4063 4064 String msg = null; 4065 try { 4066 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4067 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4068 + scannedPkg.packageName); 4069 return PackageManager.SIGNATURE_MATCH; 4070 } 4071 } catch (CertificateException e) { 4072 msg = e.getMessage(); 4073 } 4074 4075 logCriticalInfo(Log.INFO, 4076 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4077 return PackageManager.SIGNATURE_NO_MATCH; 4078 } 4079 4080 @Override 4081 public String[] getPackagesForUid(int uid) { 4082 uid = UserHandle.getAppId(uid); 4083 // reader 4084 synchronized (mPackages) { 4085 Object obj = mSettings.getUserIdLPr(uid); 4086 if (obj instanceof SharedUserSetting) { 4087 final SharedUserSetting sus = (SharedUserSetting) obj; 4088 final int N = sus.packages.size(); 4089 final String[] res = new String[N]; 4090 final Iterator<PackageSetting> it = sus.packages.iterator(); 4091 int i = 0; 4092 while (it.hasNext()) { 4093 res[i++] = it.next().name; 4094 } 4095 return res; 4096 } else if (obj instanceof PackageSetting) { 4097 final PackageSetting ps = (PackageSetting) obj; 4098 return new String[] { ps.name }; 4099 } 4100 } 4101 return null; 4102 } 4103 4104 @Override 4105 public String getNameForUid(int uid) { 4106 // reader 4107 synchronized (mPackages) { 4108 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4109 if (obj instanceof SharedUserSetting) { 4110 final SharedUserSetting sus = (SharedUserSetting) obj; 4111 return sus.name + ":" + sus.userId; 4112 } else if (obj instanceof PackageSetting) { 4113 final PackageSetting ps = (PackageSetting) obj; 4114 return ps.name; 4115 } 4116 } 4117 return null; 4118 } 4119 4120 @Override 4121 public int getUidForSharedUser(String sharedUserName) { 4122 if(sharedUserName == null) { 4123 return -1; 4124 } 4125 // reader 4126 synchronized (mPackages) { 4127 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4128 if (suid == null) { 4129 return -1; 4130 } 4131 return suid.userId; 4132 } 4133 } 4134 4135 @Override 4136 public int getFlagsForUid(int uid) { 4137 synchronized (mPackages) { 4138 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4139 if (obj instanceof SharedUserSetting) { 4140 final SharedUserSetting sus = (SharedUserSetting) obj; 4141 return sus.pkgFlags; 4142 } else if (obj instanceof PackageSetting) { 4143 final PackageSetting ps = (PackageSetting) obj; 4144 return ps.pkgFlags; 4145 } 4146 } 4147 return 0; 4148 } 4149 4150 @Override 4151 public int getPrivateFlagsForUid(int uid) { 4152 synchronized (mPackages) { 4153 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4154 if (obj instanceof SharedUserSetting) { 4155 final SharedUserSetting sus = (SharedUserSetting) obj; 4156 return sus.pkgPrivateFlags; 4157 } else if (obj instanceof PackageSetting) { 4158 final PackageSetting ps = (PackageSetting) obj; 4159 return ps.pkgPrivateFlags; 4160 } 4161 } 4162 return 0; 4163 } 4164 4165 @Override 4166 public boolean isUidPrivileged(int uid) { 4167 uid = UserHandle.getAppId(uid); 4168 // reader 4169 synchronized (mPackages) { 4170 Object obj = mSettings.getUserIdLPr(uid); 4171 if (obj instanceof SharedUserSetting) { 4172 final SharedUserSetting sus = (SharedUserSetting) obj; 4173 final Iterator<PackageSetting> it = sus.packages.iterator(); 4174 while (it.hasNext()) { 4175 if (it.next().isPrivileged()) { 4176 return true; 4177 } 4178 } 4179 } else if (obj instanceof PackageSetting) { 4180 final PackageSetting ps = (PackageSetting) obj; 4181 return ps.isPrivileged(); 4182 } 4183 } 4184 return false; 4185 } 4186 4187 @Override 4188 public String[] getAppOpPermissionPackages(String permissionName) { 4189 synchronized (mPackages) { 4190 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4191 if (pkgs == null) { 4192 return null; 4193 } 4194 return pkgs.toArray(new String[pkgs.size()]); 4195 } 4196 } 4197 4198 @Override 4199 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4200 int flags, int userId) { 4201 if (!sUserManager.exists(userId)) return null; 4202 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4203 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4204 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4205 } 4206 4207 @Override 4208 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4209 IntentFilter filter, int match, ComponentName activity) { 4210 final int userId = UserHandle.getCallingUserId(); 4211 if (DEBUG_PREFERRED) { 4212 Log.v(TAG, "setLastChosenActivity intent=" + intent 4213 + " resolvedType=" + resolvedType 4214 + " flags=" + flags 4215 + " filter=" + filter 4216 + " match=" + match 4217 + " activity=" + activity); 4218 filter.dump(new PrintStreamPrinter(System.out), " "); 4219 } 4220 intent.setComponent(null); 4221 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4222 // Find any earlier preferred or last chosen entries and nuke them 4223 findPreferredActivity(intent, resolvedType, 4224 flags, query, 0, false, true, false, userId); 4225 // Add the new activity as the last chosen for this filter 4226 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4227 "Setting last chosen"); 4228 } 4229 4230 @Override 4231 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4232 final int userId = UserHandle.getCallingUserId(); 4233 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4234 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4235 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4236 false, false, false, userId); 4237 } 4238 4239 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4240 int flags, List<ResolveInfo> query, int userId) { 4241 if (query != null) { 4242 final int N = query.size(); 4243 if (N == 1) { 4244 return query.get(0); 4245 } else if (N > 1) { 4246 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4247 // If there is more than one activity with the same priority, 4248 // then let the user decide between them. 4249 ResolveInfo r0 = query.get(0); 4250 ResolveInfo r1 = query.get(1); 4251 if (DEBUG_INTENT_MATCHING || debug) { 4252 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4253 + r1.activityInfo.name + "=" + r1.priority); 4254 } 4255 // If the first activity has a higher priority, or a different 4256 // default, then it is always desireable to pick it. 4257 if (r0.priority != r1.priority 4258 || r0.preferredOrder != r1.preferredOrder 4259 || r0.isDefault != r1.isDefault) { 4260 return query.get(0); 4261 } 4262 // If we have saved a preference for a preferred activity for 4263 // this Intent, use that. 4264 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4265 flags, query, r0.priority, true, false, debug, userId); 4266 if (ri != null) { 4267 return ri; 4268 } 4269 if (userId != 0) { 4270 ri = new ResolveInfo(mResolveInfo); 4271 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4272 ri.activityInfo.applicationInfo = new ApplicationInfo( 4273 ri.activityInfo.applicationInfo); 4274 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4275 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4276 return ri; 4277 } 4278 return mResolveInfo; 4279 } 4280 } 4281 return null; 4282 } 4283 4284 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4285 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4286 final int N = query.size(); 4287 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4288 .get(userId); 4289 // Get the list of persistent preferred activities that handle the intent 4290 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4291 List<PersistentPreferredActivity> pprefs = ppir != null 4292 ? ppir.queryIntent(intent, resolvedType, 4293 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4294 : null; 4295 if (pprefs != null && pprefs.size() > 0) { 4296 final int M = pprefs.size(); 4297 for (int i=0; i<M; i++) { 4298 final PersistentPreferredActivity ppa = pprefs.get(i); 4299 if (DEBUG_PREFERRED || debug) { 4300 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4301 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4302 + "\n component=" + ppa.mComponent); 4303 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4304 } 4305 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4306 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4307 if (DEBUG_PREFERRED || debug) { 4308 Slog.v(TAG, "Found persistent preferred activity:"); 4309 if (ai != null) { 4310 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4311 } else { 4312 Slog.v(TAG, " null"); 4313 } 4314 } 4315 if (ai == null) { 4316 // This previously registered persistent preferred activity 4317 // component is no longer known. Ignore it and do NOT remove it. 4318 continue; 4319 } 4320 for (int j=0; j<N; j++) { 4321 final ResolveInfo ri = query.get(j); 4322 if (!ri.activityInfo.applicationInfo.packageName 4323 .equals(ai.applicationInfo.packageName)) { 4324 continue; 4325 } 4326 if (!ri.activityInfo.name.equals(ai.name)) { 4327 continue; 4328 } 4329 // Found a persistent preference that can handle the intent. 4330 if (DEBUG_PREFERRED || debug) { 4331 Slog.v(TAG, "Returning persistent preferred activity: " + 4332 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4333 } 4334 return ri; 4335 } 4336 } 4337 } 4338 return null; 4339 } 4340 4341 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4342 List<ResolveInfo> query, int priority, boolean always, 4343 boolean removeMatches, boolean debug, int userId) { 4344 if (!sUserManager.exists(userId)) return null; 4345 // writer 4346 synchronized (mPackages) { 4347 if (intent.getSelector() != null) { 4348 intent = intent.getSelector(); 4349 } 4350 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4351 4352 // Try to find a matching persistent preferred activity. 4353 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4354 debug, userId); 4355 4356 // If a persistent preferred activity matched, use it. 4357 if (pri != null) { 4358 return pri; 4359 } 4360 4361 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4362 // Get the list of preferred activities that handle the intent 4363 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4364 List<PreferredActivity> prefs = pir != null 4365 ? pir.queryIntent(intent, resolvedType, 4366 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4367 : null; 4368 if (prefs != null && prefs.size() > 0) { 4369 boolean changed = false; 4370 try { 4371 // First figure out how good the original match set is. 4372 // We will only allow preferred activities that came 4373 // from the same match quality. 4374 int match = 0; 4375 4376 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4377 4378 final int N = query.size(); 4379 for (int j=0; j<N; j++) { 4380 final ResolveInfo ri = query.get(j); 4381 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4382 + ": 0x" + Integer.toHexString(match)); 4383 if (ri.match > match) { 4384 match = ri.match; 4385 } 4386 } 4387 4388 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4389 + Integer.toHexString(match)); 4390 4391 match &= IntentFilter.MATCH_CATEGORY_MASK; 4392 final int M = prefs.size(); 4393 for (int i=0; i<M; i++) { 4394 final PreferredActivity pa = prefs.get(i); 4395 if (DEBUG_PREFERRED || debug) { 4396 Slog.v(TAG, "Checking PreferredActivity ds=" 4397 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4398 + "\n component=" + pa.mPref.mComponent); 4399 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4400 } 4401 if (pa.mPref.mMatch != match) { 4402 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4403 + Integer.toHexString(pa.mPref.mMatch)); 4404 continue; 4405 } 4406 // If it's not an "always" type preferred activity and that's what we're 4407 // looking for, skip it. 4408 if (always && !pa.mPref.mAlways) { 4409 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4410 continue; 4411 } 4412 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4413 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4414 if (DEBUG_PREFERRED || debug) { 4415 Slog.v(TAG, "Found preferred activity:"); 4416 if (ai != null) { 4417 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4418 } else { 4419 Slog.v(TAG, " null"); 4420 } 4421 } 4422 if (ai == null) { 4423 // This previously registered preferred activity 4424 // component is no longer known. Most likely an update 4425 // to the app was installed and in the new version this 4426 // component no longer exists. Clean it up by removing 4427 // it from the preferred activities list, and skip it. 4428 Slog.w(TAG, "Removing dangling preferred activity: " 4429 + pa.mPref.mComponent); 4430 pir.removeFilter(pa); 4431 changed = true; 4432 continue; 4433 } 4434 for (int j=0; j<N; j++) { 4435 final ResolveInfo ri = query.get(j); 4436 if (!ri.activityInfo.applicationInfo.packageName 4437 .equals(ai.applicationInfo.packageName)) { 4438 continue; 4439 } 4440 if (!ri.activityInfo.name.equals(ai.name)) { 4441 continue; 4442 } 4443 4444 if (removeMatches) { 4445 pir.removeFilter(pa); 4446 changed = true; 4447 if (DEBUG_PREFERRED) { 4448 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4449 } 4450 break; 4451 } 4452 4453 // Okay we found a previously set preferred or last chosen app. 4454 // If the result set is different from when this 4455 // was created, we need to clear it and re-ask the 4456 // user their preference, if we're looking for an "always" type entry. 4457 if (always && !pa.mPref.sameSet(query)) { 4458 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4459 + intent + " type " + resolvedType); 4460 if (DEBUG_PREFERRED) { 4461 Slog.v(TAG, "Removing preferred activity since set changed " 4462 + pa.mPref.mComponent); 4463 } 4464 pir.removeFilter(pa); 4465 // Re-add the filter as a "last chosen" entry (!always) 4466 PreferredActivity lastChosen = new PreferredActivity( 4467 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4468 pir.addFilter(lastChosen); 4469 changed = true; 4470 return null; 4471 } 4472 4473 // Yay! Either the set matched or we're looking for the last chosen 4474 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4475 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4476 return ri; 4477 } 4478 } 4479 } finally { 4480 if (changed) { 4481 if (DEBUG_PREFERRED) { 4482 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4483 } 4484 scheduleWritePackageRestrictionsLocked(userId); 4485 } 4486 } 4487 } 4488 } 4489 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4490 return null; 4491 } 4492 4493 /* 4494 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4495 */ 4496 @Override 4497 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4498 int targetUserId) { 4499 mContext.enforceCallingOrSelfPermission( 4500 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4501 List<CrossProfileIntentFilter> matches = 4502 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4503 if (matches != null) { 4504 int size = matches.size(); 4505 for (int i = 0; i < size; i++) { 4506 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4507 } 4508 } 4509 if (hasWebURI(intent)) { 4510 // cross-profile app linking works only towards the parent. 4511 final UserInfo parent = getProfileParent(sourceUserId); 4512 synchronized(mPackages) { 4513 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4514 intent, resolvedType, 0, sourceUserId, parent.id); 4515 return xpDomainInfo != null; 4516 } 4517 } 4518 return false; 4519 } 4520 4521 private UserInfo getProfileParent(int userId) { 4522 final long identity = Binder.clearCallingIdentity(); 4523 try { 4524 return sUserManager.getProfileParent(userId); 4525 } finally { 4526 Binder.restoreCallingIdentity(identity); 4527 } 4528 } 4529 4530 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4531 String resolvedType, int userId) { 4532 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4533 if (resolver != null) { 4534 return resolver.queryIntent(intent, resolvedType, false, userId); 4535 } 4536 return null; 4537 } 4538 4539 @Override 4540 public List<ResolveInfo> queryIntentActivities(Intent intent, 4541 String resolvedType, int flags, int userId) { 4542 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4543 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4544 ComponentName comp = intent.getComponent(); 4545 if (comp == null) { 4546 if (intent.getSelector() != null) { 4547 intent = intent.getSelector(); 4548 comp = intent.getComponent(); 4549 } 4550 } 4551 4552 if (comp != null) { 4553 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4554 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4555 if (ai != null) { 4556 final ResolveInfo ri = new ResolveInfo(); 4557 ri.activityInfo = ai; 4558 list.add(ri); 4559 } 4560 return list; 4561 } 4562 4563 // reader 4564 synchronized (mPackages) { 4565 final String pkgName = intent.getPackage(); 4566 if (pkgName == null) { 4567 List<CrossProfileIntentFilter> matchingFilters = 4568 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4569 // Check for results that need to skip the current profile. 4570 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4571 resolvedType, flags, userId); 4572 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4573 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4574 result.add(xpResolveInfo); 4575 return filterIfNotSystemUser(result, userId); 4576 } 4577 4578 // Check for results in the current profile. 4579 List<ResolveInfo> result = mActivities.queryIntent( 4580 intent, resolvedType, flags, userId); 4581 4582 // Check for cross profile results. 4583 xpResolveInfo = queryCrossProfileIntents( 4584 matchingFilters, intent, resolvedType, flags, userId); 4585 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4586 result.add(xpResolveInfo); 4587 Collections.sort(result, mResolvePrioritySorter); 4588 } 4589 result = filterIfNotSystemUser(result, userId); 4590 if (hasWebURI(intent)) { 4591 CrossProfileDomainInfo xpDomainInfo = null; 4592 final UserInfo parent = getProfileParent(userId); 4593 if (parent != null) { 4594 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4595 flags, userId, parent.id); 4596 } 4597 if (xpDomainInfo != null) { 4598 if (xpResolveInfo != null) { 4599 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4600 // in the result. 4601 result.remove(xpResolveInfo); 4602 } 4603 if (result.size() == 0) { 4604 result.add(xpDomainInfo.resolveInfo); 4605 return result; 4606 } 4607 } else if (result.size() <= 1) { 4608 return result; 4609 } 4610 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4611 xpDomainInfo, userId); 4612 Collections.sort(result, mResolvePrioritySorter); 4613 } 4614 return result; 4615 } 4616 final PackageParser.Package pkg = mPackages.get(pkgName); 4617 if (pkg != null) { 4618 return filterIfNotSystemUser( 4619 mActivities.queryIntentForPackage( 4620 intent, resolvedType, flags, pkg.activities, userId), 4621 userId); 4622 } 4623 return new ArrayList<ResolveInfo>(); 4624 } 4625 } 4626 4627 private static class CrossProfileDomainInfo { 4628 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4629 ResolveInfo resolveInfo; 4630 /* Best domain verification status of the activities found in the other profile */ 4631 int bestDomainVerificationStatus; 4632 } 4633 4634 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4635 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4636 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4637 sourceUserId)) { 4638 return null; 4639 } 4640 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4641 resolvedType, flags, parentUserId); 4642 4643 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4644 return null; 4645 } 4646 CrossProfileDomainInfo result = null; 4647 int size = resultTargetUser.size(); 4648 for (int i = 0; i < size; i++) { 4649 ResolveInfo riTargetUser = resultTargetUser.get(i); 4650 // Intent filter verification is only for filters that specify a host. So don't return 4651 // those that handle all web uris. 4652 if (riTargetUser.handleAllWebDataURI) { 4653 continue; 4654 } 4655 String packageName = riTargetUser.activityInfo.packageName; 4656 PackageSetting ps = mSettings.mPackages.get(packageName); 4657 if (ps == null) { 4658 continue; 4659 } 4660 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4661 int status = (int)(verificationState >> 32); 4662 if (result == null) { 4663 result = new CrossProfileDomainInfo(); 4664 result.resolveInfo = 4665 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4666 result.bestDomainVerificationStatus = status; 4667 } else { 4668 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4669 result.bestDomainVerificationStatus); 4670 } 4671 } 4672 // Don't consider matches with status NEVER across profiles. 4673 if (result != null && result.bestDomainVerificationStatus 4674 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4675 return null; 4676 } 4677 return result; 4678 } 4679 4680 /** 4681 * Verification statuses are ordered from the worse to the best, except for 4682 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4683 */ 4684 private int bestDomainVerificationStatus(int status1, int status2) { 4685 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4686 return status2; 4687 } 4688 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4689 return status1; 4690 } 4691 return (int) MathUtils.max(status1, status2); 4692 } 4693 4694 private boolean isUserEnabled(int userId) { 4695 long callingId = Binder.clearCallingIdentity(); 4696 try { 4697 UserInfo userInfo = sUserManager.getUserInfo(userId); 4698 return userInfo != null && userInfo.isEnabled(); 4699 } finally { 4700 Binder.restoreCallingIdentity(callingId); 4701 } 4702 } 4703 4704 /** 4705 * Filter out activities with systemUserOnly flag set, when current user is not System. 4706 * 4707 * @return filtered list 4708 */ 4709 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 4710 if (userId == UserHandle.USER_SYSTEM) { 4711 return resolveInfos; 4712 } 4713 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4714 ResolveInfo info = resolveInfos.get(i); 4715 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 4716 resolveInfos.remove(i); 4717 } 4718 } 4719 return resolveInfos; 4720 } 4721 4722 private static boolean hasWebURI(Intent intent) { 4723 if (intent.getData() == null) { 4724 return false; 4725 } 4726 final String scheme = intent.getScheme(); 4727 if (TextUtils.isEmpty(scheme)) { 4728 return false; 4729 } 4730 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4731 } 4732 4733 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4734 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4735 int userId) { 4736 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4737 4738 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4739 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4740 candidates.size()); 4741 } 4742 4743 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4744 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4745 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4746 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4747 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4748 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4749 4750 synchronized (mPackages) { 4751 final int count = candidates.size(); 4752 // First, try to use linked apps. Partition the candidates into four lists: 4753 // one for the final results, one for the "do not use ever", one for "undefined status" 4754 // and finally one for "browser app type". 4755 for (int n=0; n<count; n++) { 4756 ResolveInfo info = candidates.get(n); 4757 String packageName = info.activityInfo.packageName; 4758 PackageSetting ps = mSettings.mPackages.get(packageName); 4759 if (ps != null) { 4760 // Add to the special match all list (Browser use case) 4761 if (info.handleAllWebDataURI) { 4762 matchAllList.add(info); 4763 continue; 4764 } 4765 // Try to get the status from User settings first 4766 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4767 int status = (int)(packedStatus >> 32); 4768 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4769 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4770 if (DEBUG_DOMAIN_VERIFICATION) { 4771 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4772 + " : linkgen=" + linkGeneration); 4773 } 4774 // Use link-enabled generation as preferredOrder, i.e. 4775 // prefer newly-enabled over earlier-enabled. 4776 info.preferredOrder = linkGeneration; 4777 alwaysList.add(info); 4778 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4779 if (DEBUG_DOMAIN_VERIFICATION) { 4780 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4781 } 4782 neverList.add(info); 4783 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4784 if (DEBUG_DOMAIN_VERIFICATION) { 4785 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4786 } 4787 alwaysAskList.add(info); 4788 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4789 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4790 if (DEBUG_DOMAIN_VERIFICATION) { 4791 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4792 } 4793 undefinedList.add(info); 4794 } 4795 } 4796 } 4797 4798 // We'll want to include browser possibilities in a few cases 4799 boolean includeBrowser = false; 4800 4801 // First try to add the "always" resolution(s) for the current user, if any 4802 if (alwaysList.size() > 0) { 4803 result.addAll(alwaysList); 4804 // if there is an "always" for the parent user, add it. 4805 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4806 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4807 result.add(xpDomainInfo.resolveInfo); 4808 } else { 4809 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4810 result.addAll(undefinedList); 4811 if (xpDomainInfo != null && ( 4812 xpDomainInfo.bestDomainVerificationStatus 4813 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4814 || xpDomainInfo.bestDomainVerificationStatus 4815 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4816 result.add(xpDomainInfo.resolveInfo); 4817 } 4818 includeBrowser = true; 4819 } 4820 4821 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4822 // If there were 'always' entries their preferred order has been set, so we also 4823 // back that off to make the alternatives equivalent 4824 if (alwaysAskList.size() > 0) { 4825 for (ResolveInfo i : result) { 4826 i.preferredOrder = 0; 4827 } 4828 result.addAll(alwaysAskList); 4829 includeBrowser = true; 4830 } 4831 4832 if (includeBrowser) { 4833 // Also add browsers (all of them or only the default one) 4834 if (DEBUG_DOMAIN_VERIFICATION) { 4835 Slog.v(TAG, " ...including browsers in candidate set"); 4836 } 4837 if ((matchFlags & MATCH_ALL) != 0) { 4838 result.addAll(matchAllList); 4839 } else { 4840 // Browser/generic handling case. If there's a default browser, go straight 4841 // to that (but only if there is no other higher-priority match). 4842 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4843 int maxMatchPrio = 0; 4844 ResolveInfo defaultBrowserMatch = null; 4845 final int numCandidates = matchAllList.size(); 4846 for (int n = 0; n < numCandidates; n++) { 4847 ResolveInfo info = matchAllList.get(n); 4848 // track the highest overall match priority... 4849 if (info.priority > maxMatchPrio) { 4850 maxMatchPrio = info.priority; 4851 } 4852 // ...and the highest-priority default browser match 4853 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4854 if (defaultBrowserMatch == null 4855 || (defaultBrowserMatch.priority < info.priority)) { 4856 if (debug) { 4857 Slog.v(TAG, "Considering default browser match " + info); 4858 } 4859 defaultBrowserMatch = info; 4860 } 4861 } 4862 } 4863 if (defaultBrowserMatch != null 4864 && defaultBrowserMatch.priority >= maxMatchPrio 4865 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4866 { 4867 if (debug) { 4868 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4869 } 4870 result.add(defaultBrowserMatch); 4871 } else { 4872 result.addAll(matchAllList); 4873 } 4874 } 4875 4876 // If there is nothing selected, add all candidates and remove the ones that the user 4877 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4878 if (result.size() == 0) { 4879 result.addAll(candidates); 4880 result.removeAll(neverList); 4881 } 4882 } 4883 } 4884 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4885 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4886 result.size()); 4887 for (ResolveInfo info : result) { 4888 Slog.v(TAG, " + " + info.activityInfo); 4889 } 4890 } 4891 return result; 4892 } 4893 4894 // Returns a packed value as a long: 4895 // 4896 // high 'int'-sized word: link status: undefined/ask/never/always. 4897 // low 'int'-sized word: relative priority among 'always' results. 4898 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4899 long result = ps.getDomainVerificationStatusForUser(userId); 4900 // if none available, get the master status 4901 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4902 if (ps.getIntentFilterVerificationInfo() != null) { 4903 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4904 } 4905 } 4906 return result; 4907 } 4908 4909 private ResolveInfo querySkipCurrentProfileIntents( 4910 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4911 int flags, int sourceUserId) { 4912 if (matchingFilters != null) { 4913 int size = matchingFilters.size(); 4914 for (int i = 0; i < size; i ++) { 4915 CrossProfileIntentFilter filter = matchingFilters.get(i); 4916 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4917 // Checking if there are activities in the target user that can handle the 4918 // intent. 4919 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4920 flags, sourceUserId); 4921 if (resolveInfo != null) { 4922 return resolveInfo; 4923 } 4924 } 4925 } 4926 } 4927 return null; 4928 } 4929 4930 // Return matching ResolveInfo if any for skip current profile intent filters. 4931 private ResolveInfo queryCrossProfileIntents( 4932 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4933 int flags, int sourceUserId) { 4934 if (matchingFilters != null) { 4935 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4936 // match the same intent. For performance reasons, it is better not to 4937 // run queryIntent twice for the same userId 4938 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4939 int size = matchingFilters.size(); 4940 for (int i = 0; i < size; i++) { 4941 CrossProfileIntentFilter filter = matchingFilters.get(i); 4942 int targetUserId = filter.getTargetUserId(); 4943 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4944 && !alreadyTriedUserIds.get(targetUserId)) { 4945 // Checking if there are activities in the target user that can handle the 4946 // intent. 4947 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4948 flags, sourceUserId); 4949 if (resolveInfo != null) return resolveInfo; 4950 alreadyTriedUserIds.put(targetUserId, true); 4951 } 4952 } 4953 } 4954 return null; 4955 } 4956 4957 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4958 String resolvedType, int flags, int sourceUserId) { 4959 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4960 resolvedType, flags, filter.getTargetUserId()); 4961 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4962 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4963 } 4964 return null; 4965 } 4966 4967 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4968 int sourceUserId, int targetUserId) { 4969 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4970 long ident = Binder.clearCallingIdentity(); 4971 boolean targetIsProfile; 4972 try { 4973 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 4974 } finally { 4975 Binder.restoreCallingIdentity(ident); 4976 } 4977 String className; 4978 if (targetIsProfile) { 4979 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4980 } else { 4981 className = FORWARD_INTENT_TO_PARENT; 4982 } 4983 ComponentName forwardingActivityComponentName = new ComponentName( 4984 mAndroidApplication.packageName, className); 4985 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4986 sourceUserId); 4987 if (!targetIsProfile) { 4988 forwardingActivityInfo.showUserIcon = targetUserId; 4989 forwardingResolveInfo.noResourceId = true; 4990 } 4991 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4992 forwardingResolveInfo.priority = 0; 4993 forwardingResolveInfo.preferredOrder = 0; 4994 forwardingResolveInfo.match = 0; 4995 forwardingResolveInfo.isDefault = true; 4996 forwardingResolveInfo.filter = filter; 4997 forwardingResolveInfo.targetUserId = targetUserId; 4998 return forwardingResolveInfo; 4999 } 5000 5001 @Override 5002 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5003 Intent[] specifics, String[] specificTypes, Intent intent, 5004 String resolvedType, int flags, int userId) { 5005 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5006 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5007 false, "query intent activity options"); 5008 final String resultsAction = intent.getAction(); 5009 5010 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5011 | PackageManager.GET_RESOLVED_FILTER, userId); 5012 5013 if (DEBUG_INTENT_MATCHING) { 5014 Log.v(TAG, "Query " + intent + ": " + results); 5015 } 5016 5017 int specificsPos = 0; 5018 int N; 5019 5020 // todo: note that the algorithm used here is O(N^2). This 5021 // isn't a problem in our current environment, but if we start running 5022 // into situations where we have more than 5 or 10 matches then this 5023 // should probably be changed to something smarter... 5024 5025 // First we go through and resolve each of the specific items 5026 // that were supplied, taking care of removing any corresponding 5027 // duplicate items in the generic resolve list. 5028 if (specifics != null) { 5029 for (int i=0; i<specifics.length; i++) { 5030 final Intent sintent = specifics[i]; 5031 if (sintent == null) { 5032 continue; 5033 } 5034 5035 if (DEBUG_INTENT_MATCHING) { 5036 Log.v(TAG, "Specific #" + i + ": " + sintent); 5037 } 5038 5039 String action = sintent.getAction(); 5040 if (resultsAction != null && resultsAction.equals(action)) { 5041 // If this action was explicitly requested, then don't 5042 // remove things that have it. 5043 action = null; 5044 } 5045 5046 ResolveInfo ri = null; 5047 ActivityInfo ai = null; 5048 5049 ComponentName comp = sintent.getComponent(); 5050 if (comp == null) { 5051 ri = resolveIntent( 5052 sintent, 5053 specificTypes != null ? specificTypes[i] : null, 5054 flags, userId); 5055 if (ri == null) { 5056 continue; 5057 } 5058 if (ri == mResolveInfo) { 5059 // ACK! Must do something better with this. 5060 } 5061 ai = ri.activityInfo; 5062 comp = new ComponentName(ai.applicationInfo.packageName, 5063 ai.name); 5064 } else { 5065 ai = getActivityInfo(comp, flags, userId); 5066 if (ai == null) { 5067 continue; 5068 } 5069 } 5070 5071 // Look for any generic query activities that are duplicates 5072 // of this specific one, and remove them from the results. 5073 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5074 N = results.size(); 5075 int j; 5076 for (j=specificsPos; j<N; j++) { 5077 ResolveInfo sri = results.get(j); 5078 if ((sri.activityInfo.name.equals(comp.getClassName()) 5079 && sri.activityInfo.applicationInfo.packageName.equals( 5080 comp.getPackageName())) 5081 || (action != null && sri.filter.matchAction(action))) { 5082 results.remove(j); 5083 if (DEBUG_INTENT_MATCHING) Log.v( 5084 TAG, "Removing duplicate item from " + j 5085 + " due to specific " + specificsPos); 5086 if (ri == null) { 5087 ri = sri; 5088 } 5089 j--; 5090 N--; 5091 } 5092 } 5093 5094 // Add this specific item to its proper place. 5095 if (ri == null) { 5096 ri = new ResolveInfo(); 5097 ri.activityInfo = ai; 5098 } 5099 results.add(specificsPos, ri); 5100 ri.specificIndex = i; 5101 specificsPos++; 5102 } 5103 } 5104 5105 // Now we go through the remaining generic results and remove any 5106 // duplicate actions that are found here. 5107 N = results.size(); 5108 for (int i=specificsPos; i<N-1; i++) { 5109 final ResolveInfo rii = results.get(i); 5110 if (rii.filter == null) { 5111 continue; 5112 } 5113 5114 // Iterate over all of the actions of this result's intent 5115 // filter... typically this should be just one. 5116 final Iterator<String> it = rii.filter.actionsIterator(); 5117 if (it == null) { 5118 continue; 5119 } 5120 while (it.hasNext()) { 5121 final String action = it.next(); 5122 if (resultsAction != null && resultsAction.equals(action)) { 5123 // If this action was explicitly requested, then don't 5124 // remove things that have it. 5125 continue; 5126 } 5127 for (int j=i+1; j<N; j++) { 5128 final ResolveInfo rij = results.get(j); 5129 if (rij.filter != null && rij.filter.hasAction(action)) { 5130 results.remove(j); 5131 if (DEBUG_INTENT_MATCHING) Log.v( 5132 TAG, "Removing duplicate item from " + j 5133 + " due to action " + action + " at " + i); 5134 j--; 5135 N--; 5136 } 5137 } 5138 } 5139 5140 // If the caller didn't request filter information, drop it now 5141 // so we don't have to marshall/unmarshall it. 5142 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5143 rii.filter = null; 5144 } 5145 } 5146 5147 // Filter out the caller activity if so requested. 5148 if (caller != null) { 5149 N = results.size(); 5150 for (int i=0; i<N; i++) { 5151 ActivityInfo ainfo = results.get(i).activityInfo; 5152 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5153 && caller.getClassName().equals(ainfo.name)) { 5154 results.remove(i); 5155 break; 5156 } 5157 } 5158 } 5159 5160 // If the caller didn't request filter information, 5161 // drop them now so we don't have to 5162 // marshall/unmarshall it. 5163 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5164 N = results.size(); 5165 for (int i=0; i<N; i++) { 5166 results.get(i).filter = null; 5167 } 5168 } 5169 5170 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5171 return results; 5172 } 5173 5174 @Override 5175 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5176 int userId) { 5177 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5178 ComponentName comp = intent.getComponent(); 5179 if (comp == null) { 5180 if (intent.getSelector() != null) { 5181 intent = intent.getSelector(); 5182 comp = intent.getComponent(); 5183 } 5184 } 5185 if (comp != null) { 5186 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5187 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5188 if (ai != null) { 5189 ResolveInfo ri = new ResolveInfo(); 5190 ri.activityInfo = ai; 5191 list.add(ri); 5192 } 5193 return list; 5194 } 5195 5196 // reader 5197 synchronized (mPackages) { 5198 String pkgName = intent.getPackage(); 5199 if (pkgName == null) { 5200 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5201 } 5202 final PackageParser.Package pkg = mPackages.get(pkgName); 5203 if (pkg != null) { 5204 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5205 userId); 5206 } 5207 return null; 5208 } 5209 } 5210 5211 @Override 5212 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5213 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5214 if (!sUserManager.exists(userId)) return null; 5215 if (query != null) { 5216 if (query.size() >= 1) { 5217 // If there is more than one service with the same priority, 5218 // just arbitrarily pick the first one. 5219 return query.get(0); 5220 } 5221 } 5222 return null; 5223 } 5224 5225 @Override 5226 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5227 int userId) { 5228 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5229 ComponentName comp = intent.getComponent(); 5230 if (comp == null) { 5231 if (intent.getSelector() != null) { 5232 intent = intent.getSelector(); 5233 comp = intent.getComponent(); 5234 } 5235 } 5236 if (comp != null) { 5237 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5238 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5239 if (si != null) { 5240 final ResolveInfo ri = new ResolveInfo(); 5241 ri.serviceInfo = si; 5242 list.add(ri); 5243 } 5244 return list; 5245 } 5246 5247 // reader 5248 synchronized (mPackages) { 5249 String pkgName = intent.getPackage(); 5250 if (pkgName == null) { 5251 return mServices.queryIntent(intent, resolvedType, flags, userId); 5252 } 5253 final PackageParser.Package pkg = mPackages.get(pkgName); 5254 if (pkg != null) { 5255 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5256 userId); 5257 } 5258 return null; 5259 } 5260 } 5261 5262 @Override 5263 public List<ResolveInfo> queryIntentContentProviders( 5264 Intent intent, String resolvedType, int flags, int userId) { 5265 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5266 ComponentName comp = intent.getComponent(); 5267 if (comp == null) { 5268 if (intent.getSelector() != null) { 5269 intent = intent.getSelector(); 5270 comp = intent.getComponent(); 5271 } 5272 } 5273 if (comp != null) { 5274 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5275 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5276 if (pi != null) { 5277 final ResolveInfo ri = new ResolveInfo(); 5278 ri.providerInfo = pi; 5279 list.add(ri); 5280 } 5281 return list; 5282 } 5283 5284 // reader 5285 synchronized (mPackages) { 5286 String pkgName = intent.getPackage(); 5287 if (pkgName == null) { 5288 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5289 } 5290 final PackageParser.Package pkg = mPackages.get(pkgName); 5291 if (pkg != null) { 5292 return mProviders.queryIntentForPackage( 5293 intent, resolvedType, flags, pkg.providers, userId); 5294 } 5295 return null; 5296 } 5297 } 5298 5299 @Override 5300 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5301 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5302 5303 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5304 5305 // writer 5306 synchronized (mPackages) { 5307 ArrayList<PackageInfo> list; 5308 if (listUninstalled) { 5309 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5310 for (PackageSetting ps : mSettings.mPackages.values()) { 5311 PackageInfo pi; 5312 if (ps.pkg != null) { 5313 pi = generatePackageInfo(ps.pkg, flags, userId); 5314 } else { 5315 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5316 } 5317 if (pi != null) { 5318 list.add(pi); 5319 } 5320 } 5321 } else { 5322 list = new ArrayList<PackageInfo>(mPackages.size()); 5323 for (PackageParser.Package p : mPackages.values()) { 5324 PackageInfo pi = generatePackageInfo(p, flags, userId); 5325 if (pi != null) { 5326 list.add(pi); 5327 } 5328 } 5329 } 5330 5331 return new ParceledListSlice<PackageInfo>(list); 5332 } 5333 } 5334 5335 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5336 String[] permissions, boolean[] tmp, int flags, int userId) { 5337 int numMatch = 0; 5338 final PermissionsState permissionsState = ps.getPermissionsState(); 5339 for (int i=0; i<permissions.length; i++) { 5340 final String permission = permissions[i]; 5341 if (permissionsState.hasPermission(permission, userId)) { 5342 tmp[i] = true; 5343 numMatch++; 5344 } else { 5345 tmp[i] = false; 5346 } 5347 } 5348 if (numMatch == 0) { 5349 return; 5350 } 5351 PackageInfo pi; 5352 if (ps.pkg != null) { 5353 pi = generatePackageInfo(ps.pkg, flags, userId); 5354 } else { 5355 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5356 } 5357 // The above might return null in cases of uninstalled apps or install-state 5358 // skew across users/profiles. 5359 if (pi != null) { 5360 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5361 if (numMatch == permissions.length) { 5362 pi.requestedPermissions = permissions; 5363 } else { 5364 pi.requestedPermissions = new String[numMatch]; 5365 numMatch = 0; 5366 for (int i=0; i<permissions.length; i++) { 5367 if (tmp[i]) { 5368 pi.requestedPermissions[numMatch] = permissions[i]; 5369 numMatch++; 5370 } 5371 } 5372 } 5373 } 5374 list.add(pi); 5375 } 5376 } 5377 5378 @Override 5379 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5380 String[] permissions, int flags, int userId) { 5381 if (!sUserManager.exists(userId)) return null; 5382 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5383 5384 // writer 5385 synchronized (mPackages) { 5386 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5387 boolean[] tmpBools = new boolean[permissions.length]; 5388 if (listUninstalled) { 5389 for (PackageSetting ps : mSettings.mPackages.values()) { 5390 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5391 } 5392 } else { 5393 for (PackageParser.Package pkg : mPackages.values()) { 5394 PackageSetting ps = (PackageSetting)pkg.mExtras; 5395 if (ps != null) { 5396 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5397 userId); 5398 } 5399 } 5400 } 5401 5402 return new ParceledListSlice<PackageInfo>(list); 5403 } 5404 } 5405 5406 @Override 5407 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5408 if (!sUserManager.exists(userId)) return null; 5409 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5410 5411 // writer 5412 synchronized (mPackages) { 5413 ArrayList<ApplicationInfo> list; 5414 if (listUninstalled) { 5415 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5416 for (PackageSetting ps : mSettings.mPackages.values()) { 5417 ApplicationInfo ai; 5418 if (ps.pkg != null) { 5419 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5420 ps.readUserState(userId), userId); 5421 } else { 5422 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5423 } 5424 if (ai != null) { 5425 list.add(ai); 5426 } 5427 } 5428 } else { 5429 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5430 for (PackageParser.Package p : mPackages.values()) { 5431 if (p.mExtras != null) { 5432 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5433 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5434 if (ai != null) { 5435 list.add(ai); 5436 } 5437 } 5438 } 5439 } 5440 5441 return new ParceledListSlice<ApplicationInfo>(list); 5442 } 5443 } 5444 5445 public List<ApplicationInfo> getPersistentApplications(int flags) { 5446 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5447 5448 // reader 5449 synchronized (mPackages) { 5450 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5451 final int userId = UserHandle.getCallingUserId(); 5452 while (i.hasNext()) { 5453 final PackageParser.Package p = i.next(); 5454 if (p.applicationInfo != null 5455 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5456 && (!mSafeMode || isSystemApp(p))) { 5457 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5458 if (ps != null) { 5459 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5460 ps.readUserState(userId), userId); 5461 if (ai != null) { 5462 finalList.add(ai); 5463 } 5464 } 5465 } 5466 } 5467 } 5468 5469 return finalList; 5470 } 5471 5472 @Override 5473 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5474 if (!sUserManager.exists(userId)) return null; 5475 // reader 5476 synchronized (mPackages) { 5477 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5478 PackageSetting ps = provider != null 5479 ? mSettings.mPackages.get(provider.owner.packageName) 5480 : null; 5481 return ps != null 5482 && mSettings.isEnabledLPr(provider.info, flags, userId) 5483 && (!mSafeMode || (provider.info.applicationInfo.flags 5484 &ApplicationInfo.FLAG_SYSTEM) != 0) 5485 ? PackageParser.generateProviderInfo(provider, flags, 5486 ps.readUserState(userId), userId) 5487 : null; 5488 } 5489 } 5490 5491 /** 5492 * @deprecated 5493 */ 5494 @Deprecated 5495 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5496 // reader 5497 synchronized (mPackages) { 5498 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5499 .entrySet().iterator(); 5500 final int userId = UserHandle.getCallingUserId(); 5501 while (i.hasNext()) { 5502 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5503 PackageParser.Provider p = entry.getValue(); 5504 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5505 5506 if (ps != null && p.syncable 5507 && (!mSafeMode || (p.info.applicationInfo.flags 5508 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5509 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5510 ps.readUserState(userId), userId); 5511 if (info != null) { 5512 outNames.add(entry.getKey()); 5513 outInfo.add(info); 5514 } 5515 } 5516 } 5517 } 5518 } 5519 5520 @Override 5521 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5522 int uid, int flags) { 5523 ArrayList<ProviderInfo> finalList = null; 5524 // reader 5525 synchronized (mPackages) { 5526 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5527 final int userId = processName != null ? 5528 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5529 while (i.hasNext()) { 5530 final PackageParser.Provider p = i.next(); 5531 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5532 if (ps != null && p.info.authority != null 5533 && (processName == null 5534 || (p.info.processName.equals(processName) 5535 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5536 && mSettings.isEnabledLPr(p.info, flags, userId) 5537 && (!mSafeMode 5538 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5539 if (finalList == null) { 5540 finalList = new ArrayList<ProviderInfo>(3); 5541 } 5542 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5543 ps.readUserState(userId), userId); 5544 if (info != null) { 5545 finalList.add(info); 5546 } 5547 } 5548 } 5549 } 5550 5551 if (finalList != null) { 5552 Collections.sort(finalList, mProviderInitOrderSorter); 5553 return new ParceledListSlice<ProviderInfo>(finalList); 5554 } 5555 5556 return null; 5557 } 5558 5559 @Override 5560 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5561 int flags) { 5562 // reader 5563 synchronized (mPackages) { 5564 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5565 return PackageParser.generateInstrumentationInfo(i, flags); 5566 } 5567 } 5568 5569 @Override 5570 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5571 int flags) { 5572 ArrayList<InstrumentationInfo> finalList = 5573 new ArrayList<InstrumentationInfo>(); 5574 5575 // reader 5576 synchronized (mPackages) { 5577 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5578 while (i.hasNext()) { 5579 final PackageParser.Instrumentation p = i.next(); 5580 if (targetPackage == null 5581 || targetPackage.equals(p.info.targetPackage)) { 5582 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5583 flags); 5584 if (ii != null) { 5585 finalList.add(ii); 5586 } 5587 } 5588 } 5589 } 5590 5591 return finalList; 5592 } 5593 5594 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5595 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5596 if (overlays == null) { 5597 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5598 return; 5599 } 5600 for (PackageParser.Package opkg : overlays.values()) { 5601 // Not much to do if idmap fails: we already logged the error 5602 // and we certainly don't want to abort installation of pkg simply 5603 // because an overlay didn't fit properly. For these reasons, 5604 // ignore the return value of createIdmapForPackagePairLI. 5605 createIdmapForPackagePairLI(pkg, opkg); 5606 } 5607 } 5608 5609 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5610 PackageParser.Package opkg) { 5611 if (!opkg.mTrustedOverlay) { 5612 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5613 opkg.baseCodePath + ": overlay not trusted"); 5614 return false; 5615 } 5616 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5617 if (overlaySet == null) { 5618 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5619 opkg.baseCodePath + " but target package has no known overlays"); 5620 return false; 5621 } 5622 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5623 // TODO: generate idmap for split APKs 5624 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5625 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5626 + opkg.baseCodePath); 5627 return false; 5628 } 5629 PackageParser.Package[] overlayArray = 5630 overlaySet.values().toArray(new PackageParser.Package[0]); 5631 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5632 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5633 return p1.mOverlayPriority - p2.mOverlayPriority; 5634 } 5635 }; 5636 Arrays.sort(overlayArray, cmp); 5637 5638 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5639 int i = 0; 5640 for (PackageParser.Package p : overlayArray) { 5641 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5642 } 5643 return true; 5644 } 5645 5646 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5647 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 5648 try { 5649 scanDirLI(dir, parseFlags, scanFlags, currentTime); 5650 } finally { 5651 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5652 } 5653 } 5654 5655 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5656 final File[] files = dir.listFiles(); 5657 if (ArrayUtils.isEmpty(files)) { 5658 Log.d(TAG, "No files in app dir " + dir); 5659 return; 5660 } 5661 5662 if (DEBUG_PACKAGE_SCANNING) { 5663 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5664 + " flags=0x" + Integer.toHexString(parseFlags)); 5665 } 5666 5667 for (File file : files) { 5668 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5669 && !PackageInstallerService.isStageName(file.getName()); 5670 if (!isPackage) { 5671 // Ignore entries which are not packages 5672 continue; 5673 } 5674 try { 5675 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5676 scanFlags, currentTime, null); 5677 } catch (PackageManagerException e) { 5678 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5679 5680 // Delete invalid userdata apps 5681 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5682 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5683 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5684 if (file.isDirectory()) { 5685 mInstaller.rmPackageDir(file.getAbsolutePath()); 5686 } else { 5687 file.delete(); 5688 } 5689 } 5690 } 5691 } 5692 } 5693 5694 private static File getSettingsProblemFile() { 5695 File dataDir = Environment.getDataDirectory(); 5696 File systemDir = new File(dataDir, "system"); 5697 File fname = new File(systemDir, "uiderrors.txt"); 5698 return fname; 5699 } 5700 5701 static void reportSettingsProblem(int priority, String msg) { 5702 logCriticalInfo(priority, msg); 5703 } 5704 5705 static void logCriticalInfo(int priority, String msg) { 5706 Slog.println(priority, TAG, msg); 5707 EventLogTags.writePmCriticalInfo(msg); 5708 try { 5709 File fname = getSettingsProblemFile(); 5710 FileOutputStream out = new FileOutputStream(fname, true); 5711 PrintWriter pw = new FastPrintWriter(out); 5712 SimpleDateFormat formatter = new SimpleDateFormat(); 5713 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5714 pw.println(dateString + ": " + msg); 5715 pw.close(); 5716 FileUtils.setPermissions( 5717 fname.toString(), 5718 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5719 -1, -1); 5720 } catch (java.io.IOException e) { 5721 } 5722 } 5723 5724 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5725 PackageParser.Package pkg, File srcFile, int parseFlags) 5726 throws PackageManagerException { 5727 if (ps != null 5728 && ps.codePath.equals(srcFile) 5729 && ps.timeStamp == srcFile.lastModified() 5730 && !isCompatSignatureUpdateNeeded(pkg) 5731 && !isRecoverSignatureUpdateNeeded(pkg)) { 5732 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5733 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5734 ArraySet<PublicKey> signingKs; 5735 synchronized (mPackages) { 5736 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5737 } 5738 if (ps.signatures.mSignatures != null 5739 && ps.signatures.mSignatures.length != 0 5740 && signingKs != null) { 5741 // Optimization: reuse the existing cached certificates 5742 // if the package appears to be unchanged. 5743 pkg.mSignatures = ps.signatures.mSignatures; 5744 pkg.mSigningKeys = signingKs; 5745 return; 5746 } 5747 5748 Slog.w(TAG, "PackageSetting for " + ps.name 5749 + " is missing signatures. Collecting certs again to recover them."); 5750 } else { 5751 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5752 } 5753 5754 try { 5755 pp.collectCertificates(pkg, parseFlags); 5756 pp.collectManifestDigest(pkg); 5757 } catch (PackageParserException e) { 5758 throw PackageManagerException.from(e); 5759 } 5760 } 5761 5762 /** 5763 * Traces a package scan. 5764 * @see #scanPackageLI(File, int, int, long, UserHandle) 5765 */ 5766 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 5767 long currentTime, UserHandle user) throws PackageManagerException { 5768 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 5769 try { 5770 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 5771 } finally { 5772 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5773 } 5774 } 5775 5776 /** 5777 * Scans a package and returns the newly parsed package. 5778 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 5779 */ 5780 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5781 long currentTime, UserHandle user) throws PackageManagerException { 5782 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5783 parseFlags |= mDefParseFlags; 5784 PackageParser pp = new PackageParser(); 5785 pp.setSeparateProcesses(mSeparateProcesses); 5786 pp.setOnlyCoreApps(mOnlyCore); 5787 pp.setDisplayMetrics(mMetrics); 5788 5789 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5790 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5791 } 5792 5793 final PackageParser.Package pkg; 5794 try { 5795 pkg = pp.parsePackage(scanFile, parseFlags); 5796 } catch (PackageParserException e) { 5797 throw PackageManagerException.from(e); 5798 } 5799 5800 PackageSetting ps = null; 5801 PackageSetting updatedPkg; 5802 // reader 5803 synchronized (mPackages) { 5804 // Look to see if we already know about this package. 5805 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5806 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5807 // This package has been renamed to its original name. Let's 5808 // use that. 5809 ps = mSettings.peekPackageLPr(oldName); 5810 } 5811 // If there was no original package, see one for the real package name. 5812 if (ps == null) { 5813 ps = mSettings.peekPackageLPr(pkg.packageName); 5814 } 5815 // Check to see if this package could be hiding/updating a system 5816 // package. Must look for it either under the original or real 5817 // package name depending on our state. 5818 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5819 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5820 } 5821 boolean updatedPkgBetter = false; 5822 // First check if this is a system package that may involve an update 5823 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5824 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5825 // it needs to drop FLAG_PRIVILEGED. 5826 if (locationIsPrivileged(scanFile)) { 5827 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5828 } else { 5829 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5830 } 5831 5832 if (ps != null && !ps.codePath.equals(scanFile)) { 5833 // The path has changed from what was last scanned... check the 5834 // version of the new path against what we have stored to determine 5835 // what to do. 5836 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5837 if (pkg.mVersionCode <= ps.versionCode) { 5838 // The system package has been updated and the code path does not match 5839 // Ignore entry. Skip it. 5840 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5841 + " ignored: updated version " + ps.versionCode 5842 + " better than this " + pkg.mVersionCode); 5843 if (!updatedPkg.codePath.equals(scanFile)) { 5844 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5845 + ps.name + " changing from " + updatedPkg.codePathString 5846 + " to " + scanFile); 5847 updatedPkg.codePath = scanFile; 5848 updatedPkg.codePathString = scanFile.toString(); 5849 updatedPkg.resourcePath = scanFile; 5850 updatedPkg.resourcePathString = scanFile.toString(); 5851 } 5852 updatedPkg.pkg = pkg; 5853 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5854 "Package " + ps.name + " at " + scanFile 5855 + " ignored: updated version " + ps.versionCode 5856 + " better than this " + pkg.mVersionCode); 5857 } else { 5858 // The current app on the system partition is better than 5859 // what we have updated to on the data partition; switch 5860 // back to the system partition version. 5861 // At this point, its safely assumed that package installation for 5862 // apps in system partition will go through. If not there won't be a working 5863 // version of the app 5864 // writer 5865 synchronized (mPackages) { 5866 // Just remove the loaded entries from package lists. 5867 mPackages.remove(ps.name); 5868 } 5869 5870 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5871 + " reverting from " + ps.codePathString 5872 + ": new version " + pkg.mVersionCode 5873 + " better than installed " + ps.versionCode); 5874 5875 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5876 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5877 synchronized (mInstallLock) { 5878 args.cleanUpResourcesLI(); 5879 } 5880 synchronized (mPackages) { 5881 mSettings.enableSystemPackageLPw(ps.name); 5882 } 5883 updatedPkgBetter = true; 5884 } 5885 } 5886 } 5887 5888 if (updatedPkg != null) { 5889 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5890 // initially 5891 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5892 5893 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5894 // flag set initially 5895 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5896 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5897 } 5898 } 5899 5900 // Verify certificates against what was last scanned 5901 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5902 5903 /* 5904 * A new system app appeared, but we already had a non-system one of the 5905 * same name installed earlier. 5906 */ 5907 boolean shouldHideSystemApp = false; 5908 if (updatedPkg == null && ps != null 5909 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5910 /* 5911 * Check to make sure the signatures match first. If they don't, 5912 * wipe the installed application and its data. 5913 */ 5914 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5915 != PackageManager.SIGNATURE_MATCH) { 5916 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5917 + " signatures don't match existing userdata copy; removing"); 5918 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5919 ps = null; 5920 } else { 5921 /* 5922 * If the newly-added system app is an older version than the 5923 * already installed version, hide it. It will be scanned later 5924 * and re-added like an update. 5925 */ 5926 if (pkg.mVersionCode <= ps.versionCode) { 5927 shouldHideSystemApp = true; 5928 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5929 + " but new version " + pkg.mVersionCode + " better than installed " 5930 + ps.versionCode + "; hiding system"); 5931 } else { 5932 /* 5933 * The newly found system app is a newer version that the 5934 * one previously installed. Simply remove the 5935 * already-installed application and replace it with our own 5936 * while keeping the application data. 5937 */ 5938 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5939 + " reverting from " + ps.codePathString + ": new version " 5940 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5941 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5942 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5943 synchronized (mInstallLock) { 5944 args.cleanUpResourcesLI(); 5945 } 5946 } 5947 } 5948 } 5949 5950 // The apk is forward locked (not public) if its code and resources 5951 // are kept in different files. (except for app in either system or 5952 // vendor path). 5953 // TODO grab this value from PackageSettings 5954 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5955 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5956 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5957 } 5958 } 5959 5960 // TODO: extend to support forward-locked splits 5961 String resourcePath = null; 5962 String baseResourcePath = null; 5963 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5964 if (ps != null && ps.resourcePathString != null) { 5965 resourcePath = ps.resourcePathString; 5966 baseResourcePath = ps.resourcePathString; 5967 } else { 5968 // Should not happen at all. Just log an error. 5969 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5970 } 5971 } else { 5972 resourcePath = pkg.codePath; 5973 baseResourcePath = pkg.baseCodePath; 5974 } 5975 5976 // Set application objects path explicitly. 5977 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5978 pkg.applicationInfo.setCodePath(pkg.codePath); 5979 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5980 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5981 pkg.applicationInfo.setResourcePath(resourcePath); 5982 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5983 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5984 5985 // Note that we invoke the following method only if we are about to unpack an application 5986 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5987 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5988 5989 /* 5990 * If the system app should be overridden by a previously installed 5991 * data, hide the system app now and let the /data/app scan pick it up 5992 * again. 5993 */ 5994 if (shouldHideSystemApp) { 5995 synchronized (mPackages) { 5996 /* 5997 * We have to grant systems permissions before we hide, because 5998 * grantPermissions will assume the package update is trying to 5999 * expand its permissions. 6000 */ 6001 grantPermissionsLPw(pkg, true, pkg.packageName); 6002 mSettings.disableSystemPackageLPw(pkg.packageName); 6003 } 6004 } 6005 6006 return scannedPkg; 6007 } 6008 6009 private static String fixProcessName(String defProcessName, 6010 String processName, int uid) { 6011 if (processName == null) { 6012 return defProcessName; 6013 } 6014 return processName; 6015 } 6016 6017 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6018 throws PackageManagerException { 6019 if (pkgSetting.signatures.mSignatures != null) { 6020 // Already existing package. Make sure signatures match 6021 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6022 == PackageManager.SIGNATURE_MATCH; 6023 if (!match) { 6024 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6025 == PackageManager.SIGNATURE_MATCH; 6026 } 6027 if (!match) { 6028 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6029 == PackageManager.SIGNATURE_MATCH; 6030 } 6031 if (!match) { 6032 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6033 + pkg.packageName + " signatures do not match the " 6034 + "previously installed version; ignoring!"); 6035 } 6036 } 6037 6038 // Check for shared user signatures 6039 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6040 // Already existing package. Make sure signatures match 6041 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6042 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6043 if (!match) { 6044 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6045 == PackageManager.SIGNATURE_MATCH; 6046 } 6047 if (!match) { 6048 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6049 == PackageManager.SIGNATURE_MATCH; 6050 } 6051 if (!match) { 6052 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6053 "Package " + pkg.packageName 6054 + " has no signatures that match those in shared user " 6055 + pkgSetting.sharedUser.name + "; ignoring!"); 6056 } 6057 } 6058 } 6059 6060 /** 6061 * Enforces that only the system UID or root's UID can call a method exposed 6062 * via Binder. 6063 * 6064 * @param message used as message if SecurityException is thrown 6065 * @throws SecurityException if the caller is not system or root 6066 */ 6067 private static final void enforceSystemOrRoot(String message) { 6068 final int uid = Binder.getCallingUid(); 6069 if (uid != Process.SYSTEM_UID && uid != 0) { 6070 throw new SecurityException(message); 6071 } 6072 } 6073 6074 @Override 6075 public void performBootDexOpt() { 6076 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6077 6078 // Before everything else, see whether we need to fstrim. 6079 try { 6080 IMountService ms = PackageHelper.getMountService(); 6081 if (ms != null) { 6082 final boolean isUpgrade = isUpgrade(); 6083 boolean doTrim = isUpgrade; 6084 if (doTrim) { 6085 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6086 } else { 6087 final long interval = android.provider.Settings.Global.getLong( 6088 mContext.getContentResolver(), 6089 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6090 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6091 if (interval > 0) { 6092 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6093 if (timeSinceLast > interval) { 6094 doTrim = true; 6095 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6096 + "; running immediately"); 6097 } 6098 } 6099 } 6100 if (doTrim) { 6101 if (!isFirstBoot()) { 6102 try { 6103 ActivityManagerNative.getDefault().showBootMessage( 6104 mContext.getResources().getString( 6105 R.string.android_upgrading_fstrim), true); 6106 } catch (RemoteException e) { 6107 } 6108 } 6109 ms.runMaintenance(); 6110 } 6111 } else { 6112 Slog.e(TAG, "Mount service unavailable!"); 6113 } 6114 } catch (RemoteException e) { 6115 // Can't happen; MountService is local 6116 } 6117 6118 final ArraySet<PackageParser.Package> pkgs; 6119 synchronized (mPackages) { 6120 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6121 } 6122 6123 if (pkgs != null) { 6124 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6125 // in case the device runs out of space. 6126 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6127 // Give priority to core apps. 6128 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6129 PackageParser.Package pkg = it.next(); 6130 if (pkg.coreApp) { 6131 if (DEBUG_DEXOPT) { 6132 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6133 } 6134 sortedPkgs.add(pkg); 6135 it.remove(); 6136 } 6137 } 6138 // Give priority to system apps that listen for pre boot complete. 6139 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6140 ArraySet<String> pkgNames = getPackageNamesForIntent(intent, UserHandle.USER_SYSTEM); 6141 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6142 PackageParser.Package pkg = it.next(); 6143 if (pkgNames.contains(pkg.packageName)) { 6144 if (DEBUG_DEXOPT) { 6145 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6146 } 6147 sortedPkgs.add(pkg); 6148 it.remove(); 6149 } 6150 } 6151 // Give priority to system apps. 6152 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6153 PackageParser.Package pkg = it.next(); 6154 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 6155 if (DEBUG_DEXOPT) { 6156 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 6157 } 6158 sortedPkgs.add(pkg); 6159 it.remove(); 6160 } 6161 } 6162 // Give priority to updated system apps. 6163 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6164 PackageParser.Package pkg = it.next(); 6165 if (pkg.isUpdatedSystemApp()) { 6166 if (DEBUG_DEXOPT) { 6167 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 6168 } 6169 sortedPkgs.add(pkg); 6170 it.remove(); 6171 } 6172 } 6173 // Give priority to apps that listen for boot complete. 6174 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 6175 pkgNames = getPackageNamesForIntent(intent, UserHandle.USER_SYSTEM); 6176 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6177 PackageParser.Package pkg = it.next(); 6178 if (pkgNames.contains(pkg.packageName)) { 6179 if (DEBUG_DEXOPT) { 6180 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 6181 } 6182 sortedPkgs.add(pkg); 6183 it.remove(); 6184 } 6185 } 6186 // Filter out packages that aren't recently used. 6187 filterRecentlyUsedApps(pkgs); 6188 // Add all remaining apps. 6189 for (PackageParser.Package pkg : pkgs) { 6190 if (DEBUG_DEXOPT) { 6191 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6192 } 6193 sortedPkgs.add(pkg); 6194 } 6195 6196 // If we want to be lazy, filter everything that wasn't recently used. 6197 if (mLazyDexOpt) { 6198 filterRecentlyUsedApps(sortedPkgs); 6199 } 6200 6201 int i = 0; 6202 int total = sortedPkgs.size(); 6203 File dataDir = Environment.getDataDirectory(); 6204 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6205 if (lowThreshold == 0) { 6206 throw new IllegalStateException("Invalid low memory threshold"); 6207 } 6208 for (PackageParser.Package pkg : sortedPkgs) { 6209 long usableSpace = dataDir.getUsableSpace(); 6210 if (usableSpace < lowThreshold) { 6211 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6212 break; 6213 } 6214 performBootDexOpt(pkg, ++i, total); 6215 } 6216 } 6217 } 6218 6219 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6220 // Filter out packages that aren't recently used. 6221 // 6222 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6223 // should do a full dexopt. 6224 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6225 int total = pkgs.size(); 6226 int skipped = 0; 6227 long now = System.currentTimeMillis(); 6228 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6229 PackageParser.Package pkg = i.next(); 6230 long then = pkg.mLastPackageUsageTimeInMills; 6231 if (then + mDexOptLRUThresholdInMills < now) { 6232 if (DEBUG_DEXOPT) { 6233 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6234 ((then == 0) ? "never" : new Date(then))); 6235 } 6236 i.remove(); 6237 skipped++; 6238 } 6239 } 6240 if (DEBUG_DEXOPT) { 6241 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6242 } 6243 } 6244 } 6245 6246 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6247 List<ResolveInfo> ris = null; 6248 try { 6249 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6250 intent, null, 0, userId); 6251 } catch (RemoteException e) { 6252 } 6253 ArraySet<String> pkgNames = new ArraySet<String>(); 6254 if (ris != null) { 6255 for (ResolveInfo ri : ris) { 6256 pkgNames.add(ri.activityInfo.packageName); 6257 } 6258 } 6259 return pkgNames; 6260 } 6261 6262 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6263 if (DEBUG_DEXOPT) { 6264 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6265 } 6266 if (!isFirstBoot()) { 6267 try { 6268 ActivityManagerNative.getDefault().showBootMessage( 6269 mContext.getResources().getString(R.string.android_upgrading_apk, 6270 curr, total), true); 6271 } catch (RemoteException e) { 6272 } 6273 } 6274 PackageParser.Package p = pkg; 6275 synchronized (mInstallLock) { 6276 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6277 false /* force dex */, false /* defer */, true /* include dependencies */); 6278 } 6279 } 6280 6281 @Override 6282 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6283 return performDexOptTraced(packageName, instructionSet, false); 6284 } 6285 6286 public boolean performDexOpt( 6287 String packageName, String instructionSet, boolean backgroundDexopt) { 6288 return performDexOptTraced(packageName, instructionSet, backgroundDexopt); 6289 } 6290 6291 private boolean performDexOptTraced( 6292 String packageName, String instructionSet, boolean backgroundDexopt) { 6293 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6294 try { 6295 return performDexOptInternal(packageName, instructionSet, backgroundDexopt); 6296 } finally { 6297 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6298 } 6299 } 6300 6301 private boolean performDexOptInternal( 6302 String packageName, String instructionSet, boolean backgroundDexopt) { 6303 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6304 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6305 if (!dexopt && !updateUsage) { 6306 // We aren't going to dexopt or update usage, so bail early. 6307 return false; 6308 } 6309 PackageParser.Package p; 6310 final String targetInstructionSet; 6311 synchronized (mPackages) { 6312 p = mPackages.get(packageName); 6313 if (p == null) { 6314 return false; 6315 } 6316 if (updateUsage) { 6317 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6318 } 6319 mPackageUsage.write(false); 6320 if (!dexopt) { 6321 // We aren't going to dexopt, so bail early. 6322 return false; 6323 } 6324 6325 targetInstructionSet = instructionSet != null ? instructionSet : 6326 getPrimaryInstructionSet(p.applicationInfo); 6327 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6328 return false; 6329 } 6330 } 6331 long callingId = Binder.clearCallingIdentity(); 6332 try { 6333 synchronized (mInstallLock) { 6334 final String[] instructionSets = new String[] { targetInstructionSet }; 6335 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6336 false /* forceDex */, false /* defer */, true /* inclDependencies */); 6337 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6338 } 6339 } finally { 6340 Binder.restoreCallingIdentity(callingId); 6341 } 6342 } 6343 6344 public ArraySet<String> getPackagesThatNeedDexOpt() { 6345 ArraySet<String> pkgs = null; 6346 synchronized (mPackages) { 6347 for (PackageParser.Package p : mPackages.values()) { 6348 if (DEBUG_DEXOPT) { 6349 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6350 } 6351 if (!p.mDexOptPerformed.isEmpty()) { 6352 continue; 6353 } 6354 if (pkgs == null) { 6355 pkgs = new ArraySet<String>(); 6356 } 6357 pkgs.add(p.packageName); 6358 } 6359 } 6360 return pkgs; 6361 } 6362 6363 public void shutdown() { 6364 mPackageUsage.write(true); 6365 } 6366 6367 @Override 6368 public void forceDexOpt(String packageName) { 6369 enforceSystemOrRoot("forceDexOpt"); 6370 6371 PackageParser.Package pkg; 6372 synchronized (mPackages) { 6373 pkg = mPackages.get(packageName); 6374 if (pkg == null) { 6375 throw new IllegalArgumentException("Missing package: " + packageName); 6376 } 6377 } 6378 6379 synchronized (mInstallLock) { 6380 final String[] instructionSets = new String[] { 6381 getPrimaryInstructionSet(pkg.applicationInfo) }; 6382 6383 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6384 6385 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6386 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 6387 6388 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6389 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6390 throw new IllegalStateException("Failed to dexopt: " + res); 6391 } 6392 } 6393 } 6394 6395 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6396 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6397 Slog.w(TAG, "Unable to update from " + oldPkg.name 6398 + " to " + newPkg.packageName 6399 + ": old package not in system partition"); 6400 return false; 6401 } else if (mPackages.get(oldPkg.name) != null) { 6402 Slog.w(TAG, "Unable to update from " + oldPkg.name 6403 + " to " + newPkg.packageName 6404 + ": old package still exists"); 6405 return false; 6406 } 6407 return true; 6408 } 6409 6410 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6411 int[] users = sUserManager.getUserIds(); 6412 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6413 if (res < 0) { 6414 return res; 6415 } 6416 for (int user : users) { 6417 if (user != 0) { 6418 res = mInstaller.createUserData(volumeUuid, packageName, 6419 UserHandle.getUid(user, uid), user, seinfo); 6420 if (res < 0) { 6421 return res; 6422 } 6423 } 6424 } 6425 return res; 6426 } 6427 6428 private int removeDataDirsLI(String volumeUuid, String packageName) { 6429 int[] users = sUserManager.getUserIds(); 6430 int res = 0; 6431 for (int user : users) { 6432 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6433 if (resInner < 0) { 6434 res = resInner; 6435 } 6436 } 6437 6438 return res; 6439 } 6440 6441 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6442 int[] users = sUserManager.getUserIds(); 6443 int res = 0; 6444 for (int user : users) { 6445 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6446 if (resInner < 0) { 6447 res = resInner; 6448 } 6449 } 6450 return res; 6451 } 6452 6453 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6454 PackageParser.Package changingLib) { 6455 if (file.path != null) { 6456 usesLibraryFiles.add(file.path); 6457 return; 6458 } 6459 PackageParser.Package p = mPackages.get(file.apk); 6460 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6461 // If we are doing this while in the middle of updating a library apk, 6462 // then we need to make sure to use that new apk for determining the 6463 // dependencies here. (We haven't yet finished committing the new apk 6464 // to the package manager state.) 6465 if (p == null || p.packageName.equals(changingLib.packageName)) { 6466 p = changingLib; 6467 } 6468 } 6469 if (p != null) { 6470 usesLibraryFiles.addAll(p.getAllCodePaths()); 6471 } 6472 } 6473 6474 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6475 PackageParser.Package changingLib) throws PackageManagerException { 6476 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6477 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6478 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6479 for (int i=0; i<N; i++) { 6480 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6481 if (file == null) { 6482 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6483 "Package " + pkg.packageName + " requires unavailable shared library " 6484 + pkg.usesLibraries.get(i) + "; failing!"); 6485 } 6486 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6487 } 6488 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6489 for (int i=0; i<N; i++) { 6490 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6491 if (file == null) { 6492 Slog.w(TAG, "Package " + pkg.packageName 6493 + " desires unavailable shared library " 6494 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6495 } else { 6496 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6497 } 6498 } 6499 N = usesLibraryFiles.size(); 6500 if (N > 0) { 6501 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6502 } else { 6503 pkg.usesLibraryFiles = null; 6504 } 6505 } 6506 } 6507 6508 private static boolean hasString(List<String> list, List<String> which) { 6509 if (list == null) { 6510 return false; 6511 } 6512 for (int i=list.size()-1; i>=0; i--) { 6513 for (int j=which.size()-1; j>=0; j--) { 6514 if (which.get(j).equals(list.get(i))) { 6515 return true; 6516 } 6517 } 6518 } 6519 return false; 6520 } 6521 6522 private void updateAllSharedLibrariesLPw() { 6523 for (PackageParser.Package pkg : mPackages.values()) { 6524 try { 6525 updateSharedLibrariesLPw(pkg, null); 6526 } catch (PackageManagerException e) { 6527 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6528 } 6529 } 6530 } 6531 6532 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6533 PackageParser.Package changingPkg) { 6534 ArrayList<PackageParser.Package> res = null; 6535 for (PackageParser.Package pkg : mPackages.values()) { 6536 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6537 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6538 if (res == null) { 6539 res = new ArrayList<PackageParser.Package>(); 6540 } 6541 res.add(pkg); 6542 try { 6543 updateSharedLibrariesLPw(pkg, changingPkg); 6544 } catch (PackageManagerException e) { 6545 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6546 } 6547 } 6548 } 6549 return res; 6550 } 6551 6552 /** 6553 * Derive the value of the {@code cpuAbiOverride} based on the provided 6554 * value and an optional stored value from the package settings. 6555 */ 6556 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6557 String cpuAbiOverride = null; 6558 6559 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6560 cpuAbiOverride = null; 6561 } else if (abiOverride != null) { 6562 cpuAbiOverride = abiOverride; 6563 } else if (settings != null) { 6564 cpuAbiOverride = settings.cpuAbiOverrideString; 6565 } 6566 6567 return cpuAbiOverride; 6568 } 6569 6570 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6571 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6572 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6573 try { 6574 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6575 } finally { 6576 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6577 } 6578 } 6579 6580 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6581 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6582 boolean success = false; 6583 try { 6584 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6585 currentTime, user); 6586 success = true; 6587 return res; 6588 } finally { 6589 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6590 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6591 } 6592 } 6593 } 6594 6595 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6596 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6597 final File scanFile = new File(pkg.codePath); 6598 if (pkg.applicationInfo.getCodePath() == null || 6599 pkg.applicationInfo.getResourcePath() == null) { 6600 // Bail out. The resource and code paths haven't been set. 6601 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6602 "Code and resource paths haven't been set correctly"); 6603 } 6604 6605 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6606 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6607 } else { 6608 // Only allow system apps to be flagged as core apps. 6609 pkg.coreApp = false; 6610 } 6611 6612 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6613 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6614 } 6615 6616 if (mCustomResolverComponentName != null && 6617 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6618 setUpCustomResolverActivity(pkg); 6619 } 6620 6621 if (pkg.packageName.equals("android")) { 6622 synchronized (mPackages) { 6623 if (mAndroidApplication != null) { 6624 Slog.w(TAG, "*************************************************"); 6625 Slog.w(TAG, "Core android package being redefined. Skipping."); 6626 Slog.w(TAG, " file=" + scanFile); 6627 Slog.w(TAG, "*************************************************"); 6628 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6629 "Core android package being redefined. Skipping."); 6630 } 6631 6632 // Set up information for our fall-back user intent resolution activity. 6633 mPlatformPackage = pkg; 6634 pkg.mVersionCode = mSdkVersion; 6635 mAndroidApplication = pkg.applicationInfo; 6636 6637 if (!mResolverReplaced) { 6638 mResolveActivity.applicationInfo = mAndroidApplication; 6639 mResolveActivity.name = ResolverActivity.class.getName(); 6640 mResolveActivity.packageName = mAndroidApplication.packageName; 6641 mResolveActivity.processName = "system:ui"; 6642 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6643 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6644 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6645 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6646 mResolveActivity.exported = true; 6647 mResolveActivity.enabled = true; 6648 mResolveInfo.activityInfo = mResolveActivity; 6649 mResolveInfo.priority = 0; 6650 mResolveInfo.preferredOrder = 0; 6651 mResolveInfo.match = 0; 6652 mResolveComponentName = new ComponentName( 6653 mAndroidApplication.packageName, mResolveActivity.name); 6654 } 6655 } 6656 } 6657 6658 if (DEBUG_PACKAGE_SCANNING) { 6659 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6660 Log.d(TAG, "Scanning package " + pkg.packageName); 6661 } 6662 6663 if (mPackages.containsKey(pkg.packageName) 6664 || mSharedLibraries.containsKey(pkg.packageName)) { 6665 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6666 "Application package " + pkg.packageName 6667 + " already installed. Skipping duplicate."); 6668 } 6669 6670 // If we're only installing presumed-existing packages, require that the 6671 // scanned APK is both already known and at the path previously established 6672 // for it. Previously unknown packages we pick up normally, but if we have an 6673 // a priori expectation about this package's install presence, enforce it. 6674 // With a singular exception for new system packages. When an OTA contains 6675 // a new system package, we allow the codepath to change from a system location 6676 // to the user-installed location. If we don't allow this change, any newer, 6677 // user-installed version of the application will be ignored. 6678 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6679 if (mExpectingBetter.containsKey(pkg.packageName)) { 6680 logCriticalInfo(Log.WARN, 6681 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6682 } else { 6683 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6684 if (known != null) { 6685 if (DEBUG_PACKAGE_SCANNING) { 6686 Log.d(TAG, "Examining " + pkg.codePath 6687 + " and requiring known paths " + known.codePathString 6688 + " & " + known.resourcePathString); 6689 } 6690 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6691 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6692 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6693 "Application package " + pkg.packageName 6694 + " found at " + pkg.applicationInfo.getCodePath() 6695 + " but expected at " + known.codePathString + "; ignoring."); 6696 } 6697 } 6698 } 6699 } 6700 6701 // Initialize package source and resource directories 6702 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6703 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6704 6705 SharedUserSetting suid = null; 6706 PackageSetting pkgSetting = null; 6707 6708 if (!isSystemApp(pkg)) { 6709 // Only system apps can use these features. 6710 pkg.mOriginalPackages = null; 6711 pkg.mRealPackage = null; 6712 pkg.mAdoptPermissions = null; 6713 } 6714 6715 // writer 6716 synchronized (mPackages) { 6717 if (pkg.mSharedUserId != null) { 6718 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6719 if (suid == null) { 6720 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6721 "Creating application package " + pkg.packageName 6722 + " for shared user failed"); 6723 } 6724 if (DEBUG_PACKAGE_SCANNING) { 6725 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6726 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6727 + "): packages=" + suid.packages); 6728 } 6729 } 6730 6731 // Check if we are renaming from an original package name. 6732 PackageSetting origPackage = null; 6733 String realName = null; 6734 if (pkg.mOriginalPackages != null) { 6735 // This package may need to be renamed to a previously 6736 // installed name. Let's check on that... 6737 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6738 if (pkg.mOriginalPackages.contains(renamed)) { 6739 // This package had originally been installed as the 6740 // original name, and we have already taken care of 6741 // transitioning to the new one. Just update the new 6742 // one to continue using the old name. 6743 realName = pkg.mRealPackage; 6744 if (!pkg.packageName.equals(renamed)) { 6745 // Callers into this function may have already taken 6746 // care of renaming the package; only do it here if 6747 // it is not already done. 6748 pkg.setPackageName(renamed); 6749 } 6750 6751 } else { 6752 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6753 if ((origPackage = mSettings.peekPackageLPr( 6754 pkg.mOriginalPackages.get(i))) != null) { 6755 // We do have the package already installed under its 6756 // original name... should we use it? 6757 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6758 // New package is not compatible with original. 6759 origPackage = null; 6760 continue; 6761 } else if (origPackage.sharedUser != null) { 6762 // Make sure uid is compatible between packages. 6763 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6764 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6765 + " to " + pkg.packageName + ": old uid " 6766 + origPackage.sharedUser.name 6767 + " differs from " + pkg.mSharedUserId); 6768 origPackage = null; 6769 continue; 6770 } 6771 } else { 6772 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6773 + pkg.packageName + " to old name " + origPackage.name); 6774 } 6775 break; 6776 } 6777 } 6778 } 6779 } 6780 6781 if (mTransferedPackages.contains(pkg.packageName)) { 6782 Slog.w(TAG, "Package " + pkg.packageName 6783 + " was transferred to another, but its .apk remains"); 6784 } 6785 6786 // Just create the setting, don't add it yet. For already existing packages 6787 // the PkgSetting exists already and doesn't have to be created. 6788 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6789 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6790 pkg.applicationInfo.primaryCpuAbi, 6791 pkg.applicationInfo.secondaryCpuAbi, 6792 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6793 user, false); 6794 if (pkgSetting == null) { 6795 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6796 "Creating application package " + pkg.packageName + " failed"); 6797 } 6798 6799 if (pkgSetting.origPackage != null) { 6800 // If we are first transitioning from an original package, 6801 // fix up the new package's name now. We need to do this after 6802 // looking up the package under its new name, so getPackageLP 6803 // can take care of fiddling things correctly. 6804 pkg.setPackageName(origPackage.name); 6805 6806 // File a report about this. 6807 String msg = "New package " + pkgSetting.realName 6808 + " renamed to replace old package " + pkgSetting.name; 6809 reportSettingsProblem(Log.WARN, msg); 6810 6811 // Make a note of it. 6812 mTransferedPackages.add(origPackage.name); 6813 6814 // No longer need to retain this. 6815 pkgSetting.origPackage = null; 6816 } 6817 6818 if (realName != null) { 6819 // Make a note of it. 6820 mTransferedPackages.add(pkg.packageName); 6821 } 6822 6823 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6824 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6825 } 6826 6827 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6828 // Check all shared libraries and map to their actual file path. 6829 // We only do this here for apps not on a system dir, because those 6830 // are the only ones that can fail an install due to this. We 6831 // will take care of the system apps by updating all of their 6832 // library paths after the scan is done. 6833 updateSharedLibrariesLPw(pkg, null); 6834 } 6835 6836 if (mFoundPolicyFile) { 6837 SELinuxMMAC.assignSeinfoValue(pkg); 6838 } 6839 6840 pkg.applicationInfo.uid = pkgSetting.appId; 6841 pkg.mExtras = pkgSetting; 6842 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6843 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6844 // We just determined the app is signed correctly, so bring 6845 // over the latest parsed certs. 6846 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6847 } else { 6848 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6849 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6850 "Package " + pkg.packageName + " upgrade keys do not match the " 6851 + "previously installed version"); 6852 } else { 6853 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6854 String msg = "System package " + pkg.packageName 6855 + " signature changed; retaining data."; 6856 reportSettingsProblem(Log.WARN, msg); 6857 } 6858 } 6859 } else { 6860 try { 6861 verifySignaturesLP(pkgSetting, pkg); 6862 // We just determined the app is signed correctly, so bring 6863 // over the latest parsed certs. 6864 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6865 } catch (PackageManagerException e) { 6866 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6867 throw e; 6868 } 6869 // The signature has changed, but this package is in the system 6870 // image... let's recover! 6871 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6872 // However... if this package is part of a shared user, but it 6873 // doesn't match the signature of the shared user, let's fail. 6874 // What this means is that you can't change the signatures 6875 // associated with an overall shared user, which doesn't seem all 6876 // that unreasonable. 6877 if (pkgSetting.sharedUser != null) { 6878 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6879 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6880 throw new PackageManagerException( 6881 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6882 "Signature mismatch for shared user : " 6883 + pkgSetting.sharedUser); 6884 } 6885 } 6886 // File a report about this. 6887 String msg = "System package " + pkg.packageName 6888 + " signature changed; retaining data."; 6889 reportSettingsProblem(Log.WARN, msg); 6890 } 6891 } 6892 // Verify that this new package doesn't have any content providers 6893 // that conflict with existing packages. Only do this if the 6894 // package isn't already installed, since we don't want to break 6895 // things that are installed. 6896 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6897 final int N = pkg.providers.size(); 6898 int i; 6899 for (i=0; i<N; i++) { 6900 PackageParser.Provider p = pkg.providers.get(i); 6901 if (p.info.authority != null) { 6902 String names[] = p.info.authority.split(";"); 6903 for (int j = 0; j < names.length; j++) { 6904 if (mProvidersByAuthority.containsKey(names[j])) { 6905 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6906 final String otherPackageName = 6907 ((other != null && other.getComponentName() != null) ? 6908 other.getComponentName().getPackageName() : "?"); 6909 throw new PackageManagerException( 6910 INSTALL_FAILED_CONFLICTING_PROVIDER, 6911 "Can't install because provider name " + names[j] 6912 + " (in package " + pkg.applicationInfo.packageName 6913 + ") is already used by " + otherPackageName); 6914 } 6915 } 6916 } 6917 } 6918 } 6919 6920 if (pkg.mAdoptPermissions != null) { 6921 // This package wants to adopt ownership of permissions from 6922 // another package. 6923 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6924 final String origName = pkg.mAdoptPermissions.get(i); 6925 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6926 if (orig != null) { 6927 if (verifyPackageUpdateLPr(orig, pkg)) { 6928 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6929 + pkg.packageName); 6930 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6931 } 6932 } 6933 } 6934 } 6935 } 6936 6937 final String pkgName = pkg.packageName; 6938 6939 final long scanFileTime = scanFile.lastModified(); 6940 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6941 pkg.applicationInfo.processName = fixProcessName( 6942 pkg.applicationInfo.packageName, 6943 pkg.applicationInfo.processName, 6944 pkg.applicationInfo.uid); 6945 6946 File dataPath; 6947 if (mPlatformPackage == pkg) { 6948 // The system package is special. 6949 dataPath = new File(Environment.getDataDirectory(), "system"); 6950 6951 pkg.applicationInfo.dataDir = dataPath.getPath(); 6952 6953 } else { 6954 // This is a normal package, need to make its data directory. 6955 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6956 UserHandle.USER_OWNER, pkg.packageName); 6957 6958 boolean uidError = false; 6959 if (dataPath.exists()) { 6960 int currentUid = 0; 6961 try { 6962 StructStat stat = Os.stat(dataPath.getPath()); 6963 currentUid = stat.st_uid; 6964 } catch (ErrnoException e) { 6965 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6966 } 6967 6968 // If we have mismatched owners for the data path, we have a problem. 6969 if (currentUid != pkg.applicationInfo.uid) { 6970 boolean recovered = false; 6971 if (currentUid == 0) { 6972 // The directory somehow became owned by root. Wow. 6973 // This is probably because the system was stopped while 6974 // installd was in the middle of messing with its libs 6975 // directory. Ask installd to fix that. 6976 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6977 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6978 if (ret >= 0) { 6979 recovered = true; 6980 String msg = "Package " + pkg.packageName 6981 + " unexpectedly changed to uid 0; recovered to " + 6982 + pkg.applicationInfo.uid; 6983 reportSettingsProblem(Log.WARN, msg); 6984 } 6985 } 6986 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6987 || (scanFlags&SCAN_BOOTING) != 0)) { 6988 // If this is a system app, we can at least delete its 6989 // current data so the application will still work. 6990 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6991 if (ret >= 0) { 6992 // TODO: Kill the processes first 6993 // Old data gone! 6994 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6995 ? "System package " : "Third party package "; 6996 String msg = prefix + pkg.packageName 6997 + " has changed from uid: " 6998 + currentUid + " to " 6999 + pkg.applicationInfo.uid + "; old data erased"; 7000 reportSettingsProblem(Log.WARN, msg); 7001 recovered = true; 7002 7003 // And now re-install the app. 7004 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7005 pkg.applicationInfo.seinfo); 7006 if (ret == -1) { 7007 // Ack should not happen! 7008 msg = prefix + pkg.packageName 7009 + " could not have data directory re-created after delete."; 7010 reportSettingsProblem(Log.WARN, msg); 7011 throw new PackageManagerException( 7012 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 7013 } 7014 } 7015 if (!recovered) { 7016 mHasSystemUidErrors = true; 7017 } 7018 } else if (!recovered) { 7019 // If we allow this install to proceed, we will be broken. 7020 // Abort, abort! 7021 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7022 "scanPackageLI"); 7023 } 7024 if (!recovered) { 7025 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7026 + pkg.applicationInfo.uid + "/fs_" 7027 + currentUid; 7028 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7029 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7030 String msg = "Package " + pkg.packageName 7031 + " has mismatched uid: " 7032 + currentUid + " on disk, " 7033 + pkg.applicationInfo.uid + " in settings"; 7034 // writer 7035 synchronized (mPackages) { 7036 mSettings.mReadMessages.append(msg); 7037 mSettings.mReadMessages.append('\n'); 7038 uidError = true; 7039 if (!pkgSetting.uidError) { 7040 reportSettingsProblem(Log.ERROR, msg); 7041 } 7042 } 7043 } 7044 } 7045 pkg.applicationInfo.dataDir = dataPath.getPath(); 7046 if (mShouldRestoreconData) { 7047 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7048 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 7049 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 7050 } 7051 } else { 7052 if (DEBUG_PACKAGE_SCANNING) { 7053 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7054 Log.v(TAG, "Want this data dir: " + dataPath); 7055 } 7056 //invoke installer to do the actual installation 7057 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7058 pkg.applicationInfo.seinfo); 7059 if (ret < 0) { 7060 // Error from installer 7061 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7062 "Unable to create data dirs [errorCode=" + ret + "]"); 7063 } 7064 7065 if (dataPath.exists()) { 7066 pkg.applicationInfo.dataDir = dataPath.getPath(); 7067 } else { 7068 Slog.w(TAG, "Unable to create data directory: " + dataPath); 7069 pkg.applicationInfo.dataDir = null; 7070 } 7071 } 7072 7073 pkgSetting.uidError = uidError; 7074 } 7075 7076 final String path = scanFile.getPath(); 7077 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7078 7079 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7080 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7081 7082 // Some system apps still use directory structure for native libraries 7083 // in which case we might end up not detecting abi solely based on apk 7084 // structure. Try to detect abi based on directory structure. 7085 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7086 pkg.applicationInfo.primaryCpuAbi == null) { 7087 setBundledAppAbisAndRoots(pkg, pkgSetting); 7088 setNativeLibraryPaths(pkg); 7089 } 7090 7091 } else { 7092 if ((scanFlags & SCAN_MOVE) != 0) { 7093 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7094 // but we already have this packages package info in the PackageSetting. We just 7095 // use that and derive the native library path based on the new codepath. 7096 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7097 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7098 } 7099 7100 // Set native library paths again. For moves, the path will be updated based on the 7101 // ABIs we've determined above. For non-moves, the path will be updated based on the 7102 // ABIs we determined during compilation, but the path will depend on the final 7103 // package path (after the rename away from the stage path). 7104 setNativeLibraryPaths(pkg); 7105 } 7106 7107 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7108 final int[] userIds = sUserManager.getUserIds(); 7109 synchronized (mInstallLock) { 7110 // Make sure all user data directories are ready to roll; we're okay 7111 // if they already exist 7112 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7113 for (int userId : userIds) { 7114 if (userId != 0) { 7115 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7116 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7117 pkg.applicationInfo.seinfo); 7118 } 7119 } 7120 } 7121 7122 // Create a native library symlink only if we have native libraries 7123 // and if the native libraries are 32 bit libraries. We do not provide 7124 // this symlink for 64 bit libraries. 7125 if (pkg.applicationInfo.primaryCpuAbi != null && 7126 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7127 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7128 try { 7129 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7130 for (int userId : userIds) { 7131 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7132 nativeLibPath, userId) < 0) { 7133 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7134 "Failed linking native library dir (user=" + userId + ")"); 7135 } 7136 } 7137 } finally { 7138 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7139 } 7140 } 7141 } 7142 7143 // This is a special case for the "system" package, where the ABI is 7144 // dictated by the zygote configuration (and init.rc). We should keep track 7145 // of this ABI so that we can deal with "normal" applications that run under 7146 // the same UID correctly. 7147 if (mPlatformPackage == pkg) { 7148 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7149 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7150 } 7151 7152 // If there's a mismatch between the abi-override in the package setting 7153 // and the abiOverride specified for the install. Warn about this because we 7154 // would've already compiled the app without taking the package setting into 7155 // account. 7156 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7157 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7158 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7159 " for package: " + pkg.packageName); 7160 } 7161 } 7162 7163 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7164 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7165 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7166 7167 // Copy the derived override back to the parsed package, so that we can 7168 // update the package settings accordingly. 7169 pkg.cpuAbiOverride = cpuAbiOverride; 7170 7171 if (DEBUG_ABI_SELECTION) { 7172 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7173 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7174 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7175 } 7176 7177 // Push the derived path down into PackageSettings so we know what to 7178 // clean up at uninstall time. 7179 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7180 7181 if (DEBUG_ABI_SELECTION) { 7182 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7183 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7184 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7185 } 7186 7187 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7188 // We don't do this here during boot because we can do it all 7189 // at once after scanning all existing packages. 7190 // 7191 // We also do this *before* we perform dexopt on this package, so that 7192 // we can avoid redundant dexopts, and also to make sure we've got the 7193 // code and package path correct. 7194 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7195 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 7196 } 7197 7198 if ((scanFlags & SCAN_NO_DEX) == 0) { 7199 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7200 7201 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7202 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 7203 7204 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7205 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7206 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7207 } 7208 } 7209 if (mFactoryTest && pkg.requestedPermissions.contains( 7210 android.Manifest.permission.FACTORY_TEST)) { 7211 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7212 } 7213 7214 ArrayList<PackageParser.Package> clientLibPkgs = null; 7215 7216 // writer 7217 synchronized (mPackages) { 7218 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7219 // Only system apps can add new shared libraries. 7220 if (pkg.libraryNames != null) { 7221 for (int i=0; i<pkg.libraryNames.size(); i++) { 7222 String name = pkg.libraryNames.get(i); 7223 boolean allowed = false; 7224 if (pkg.isUpdatedSystemApp()) { 7225 // New library entries can only be added through the 7226 // system image. This is important to get rid of a lot 7227 // of nasty edge cases: for example if we allowed a non- 7228 // system update of the app to add a library, then uninstalling 7229 // the update would make the library go away, and assumptions 7230 // we made such as through app install filtering would now 7231 // have allowed apps on the device which aren't compatible 7232 // with it. Better to just have the restriction here, be 7233 // conservative, and create many fewer cases that can negatively 7234 // impact the user experience. 7235 final PackageSetting sysPs = mSettings 7236 .getDisabledSystemPkgLPr(pkg.packageName); 7237 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7238 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7239 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7240 allowed = true; 7241 allowed = true; 7242 break; 7243 } 7244 } 7245 } 7246 } else { 7247 allowed = true; 7248 } 7249 if (allowed) { 7250 if (!mSharedLibraries.containsKey(name)) { 7251 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7252 } else if (!name.equals(pkg.packageName)) { 7253 Slog.w(TAG, "Package " + pkg.packageName + " library " 7254 + name + " already exists; skipping"); 7255 } 7256 } else { 7257 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7258 + name + " that is not declared on system image; skipping"); 7259 } 7260 } 7261 if ((scanFlags&SCAN_BOOTING) == 0) { 7262 // If we are not booting, we need to update any applications 7263 // that are clients of our shared library. If we are booting, 7264 // this will all be done once the scan is complete. 7265 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7266 } 7267 } 7268 } 7269 } 7270 7271 // We also need to dexopt any apps that are dependent on this library. Note that 7272 // if these fail, we should abort the install since installing the library will 7273 // result in some apps being broken. 7274 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7275 try { 7276 if (clientLibPkgs != null) { 7277 if ((scanFlags & SCAN_NO_DEX) == 0) { 7278 for (int i = 0; i < clientLibPkgs.size(); i++) { 7279 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7280 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7281 null /* instruction sets */, forceDex, 7282 (scanFlags & SCAN_DEFER_DEX) != 0, false); 7283 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7284 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7285 "scanPackageLI failed to dexopt clientLibPkgs"); 7286 } 7287 } 7288 } 7289 } 7290 } finally { 7291 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7292 } 7293 7294 // Request the ActivityManager to kill the process(only for existing packages) 7295 // so that we do not end up in a confused state while the user is still using the older 7296 // version of the application while the new one gets installed. 7297 if ((scanFlags & SCAN_REPLACING) != 0) { 7298 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7299 7300 killApplication(pkg.applicationInfo.packageName, 7301 pkg.applicationInfo.uid, "replace pkg"); 7302 7303 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7304 } 7305 7306 // Also need to kill any apps that are dependent on the library. 7307 if (clientLibPkgs != null) { 7308 for (int i=0; i<clientLibPkgs.size(); i++) { 7309 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7310 killApplication(clientPkg.applicationInfo.packageName, 7311 clientPkg.applicationInfo.uid, "update lib"); 7312 } 7313 } 7314 7315 // Make sure we're not adding any bogus keyset info 7316 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7317 ksms.assertScannedPackageValid(pkg); 7318 7319 // writer 7320 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7321 7322 boolean createIdmapFailed = false; 7323 synchronized (mPackages) { 7324 // We don't expect installation to fail beyond this point 7325 7326 // Add the new setting to mSettings 7327 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7328 // Add the new setting to mPackages 7329 mPackages.put(pkg.applicationInfo.packageName, pkg); 7330 // Make sure we don't accidentally delete its data. 7331 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7332 while (iter.hasNext()) { 7333 PackageCleanItem item = iter.next(); 7334 if (pkgName.equals(item.packageName)) { 7335 iter.remove(); 7336 } 7337 } 7338 7339 // Take care of first install / last update times. 7340 if (currentTime != 0) { 7341 if (pkgSetting.firstInstallTime == 0) { 7342 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7343 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7344 pkgSetting.lastUpdateTime = currentTime; 7345 } 7346 } else if (pkgSetting.firstInstallTime == 0) { 7347 // We need *something*. Take time time stamp of the file. 7348 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7349 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7350 if (scanFileTime != pkgSetting.timeStamp) { 7351 // A package on the system image has changed; consider this 7352 // to be an update. 7353 pkgSetting.lastUpdateTime = scanFileTime; 7354 } 7355 } 7356 7357 // Add the package's KeySets to the global KeySetManagerService 7358 ksms.addScannedPackageLPw(pkg); 7359 7360 int N = pkg.providers.size(); 7361 StringBuilder r = null; 7362 int i; 7363 for (i=0; i<N; i++) { 7364 PackageParser.Provider p = pkg.providers.get(i); 7365 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7366 p.info.processName, pkg.applicationInfo.uid); 7367 mProviders.addProvider(p); 7368 p.syncable = p.info.isSyncable; 7369 if (p.info.authority != null) { 7370 String names[] = p.info.authority.split(";"); 7371 p.info.authority = null; 7372 for (int j = 0; j < names.length; j++) { 7373 if (j == 1 && p.syncable) { 7374 // We only want the first authority for a provider to possibly be 7375 // syncable, so if we already added this provider using a different 7376 // authority clear the syncable flag. We copy the provider before 7377 // changing it because the mProviders object contains a reference 7378 // to a provider that we don't want to change. 7379 // Only do this for the second authority since the resulting provider 7380 // object can be the same for all future authorities for this provider. 7381 p = new PackageParser.Provider(p); 7382 p.syncable = false; 7383 } 7384 if (!mProvidersByAuthority.containsKey(names[j])) { 7385 mProvidersByAuthority.put(names[j], p); 7386 if (p.info.authority == null) { 7387 p.info.authority = names[j]; 7388 } else { 7389 p.info.authority = p.info.authority + ";" + names[j]; 7390 } 7391 if (DEBUG_PACKAGE_SCANNING) { 7392 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7393 Log.d(TAG, "Registered content provider: " + names[j] 7394 + ", className = " + p.info.name + ", isSyncable = " 7395 + p.info.isSyncable); 7396 } 7397 } else { 7398 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7399 Slog.w(TAG, "Skipping provider name " + names[j] + 7400 " (in package " + pkg.applicationInfo.packageName + 7401 "): name already used by " 7402 + ((other != null && other.getComponentName() != null) 7403 ? other.getComponentName().getPackageName() : "?")); 7404 } 7405 } 7406 } 7407 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7408 if (r == null) { 7409 r = new StringBuilder(256); 7410 } else { 7411 r.append(' '); 7412 } 7413 r.append(p.info.name); 7414 } 7415 } 7416 if (r != null) { 7417 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7418 } 7419 7420 N = pkg.services.size(); 7421 r = null; 7422 for (i=0; i<N; i++) { 7423 PackageParser.Service s = pkg.services.get(i); 7424 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7425 s.info.processName, pkg.applicationInfo.uid); 7426 mServices.addService(s); 7427 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7428 if (r == null) { 7429 r = new StringBuilder(256); 7430 } else { 7431 r.append(' '); 7432 } 7433 r.append(s.info.name); 7434 } 7435 } 7436 if (r != null) { 7437 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7438 } 7439 7440 N = pkg.receivers.size(); 7441 r = null; 7442 for (i=0; i<N; i++) { 7443 PackageParser.Activity a = pkg.receivers.get(i); 7444 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7445 a.info.processName, pkg.applicationInfo.uid); 7446 mReceivers.addActivity(a, "receiver"); 7447 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7448 if (r == null) { 7449 r = new StringBuilder(256); 7450 } else { 7451 r.append(' '); 7452 } 7453 r.append(a.info.name); 7454 } 7455 } 7456 if (r != null) { 7457 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7458 } 7459 7460 N = pkg.activities.size(); 7461 r = null; 7462 for (i=0; i<N; i++) { 7463 PackageParser.Activity a = pkg.activities.get(i); 7464 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7465 a.info.processName, pkg.applicationInfo.uid); 7466 mActivities.addActivity(a, "activity"); 7467 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7468 if (r == null) { 7469 r = new StringBuilder(256); 7470 } else { 7471 r.append(' '); 7472 } 7473 r.append(a.info.name); 7474 } 7475 } 7476 if (r != null) { 7477 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7478 } 7479 7480 N = pkg.permissionGroups.size(); 7481 r = null; 7482 for (i=0; i<N; i++) { 7483 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7484 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7485 if (cur == null) { 7486 mPermissionGroups.put(pg.info.name, pg); 7487 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7488 if (r == null) { 7489 r = new StringBuilder(256); 7490 } else { 7491 r.append(' '); 7492 } 7493 r.append(pg.info.name); 7494 } 7495 } else { 7496 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7497 + pg.info.packageName + " ignored: original from " 7498 + cur.info.packageName); 7499 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7500 if (r == null) { 7501 r = new StringBuilder(256); 7502 } else { 7503 r.append(' '); 7504 } 7505 r.append("DUP:"); 7506 r.append(pg.info.name); 7507 } 7508 } 7509 } 7510 if (r != null) { 7511 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7512 } 7513 7514 N = pkg.permissions.size(); 7515 r = null; 7516 for (i=0; i<N; i++) { 7517 PackageParser.Permission p = pkg.permissions.get(i); 7518 7519 // Assume by default that we did not install this permission into the system. 7520 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7521 7522 // Now that permission groups have a special meaning, we ignore permission 7523 // groups for legacy apps to prevent unexpected behavior. In particular, 7524 // permissions for one app being granted to someone just becuase they happen 7525 // to be in a group defined by another app (before this had no implications). 7526 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7527 p.group = mPermissionGroups.get(p.info.group); 7528 // Warn for a permission in an unknown group. 7529 if (p.info.group != null && p.group == null) { 7530 Slog.w(TAG, "Permission " + p.info.name + " from package " 7531 + p.info.packageName + " in an unknown group " + p.info.group); 7532 } 7533 } 7534 7535 ArrayMap<String, BasePermission> permissionMap = 7536 p.tree ? mSettings.mPermissionTrees 7537 : mSettings.mPermissions; 7538 BasePermission bp = permissionMap.get(p.info.name); 7539 7540 // Allow system apps to redefine non-system permissions 7541 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7542 final boolean currentOwnerIsSystem = (bp.perm != null 7543 && isSystemApp(bp.perm.owner)); 7544 if (isSystemApp(p.owner)) { 7545 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7546 // It's a built-in permission and no owner, take ownership now 7547 bp.packageSetting = pkgSetting; 7548 bp.perm = p; 7549 bp.uid = pkg.applicationInfo.uid; 7550 bp.sourcePackage = p.info.packageName; 7551 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7552 } else if (!currentOwnerIsSystem) { 7553 String msg = "New decl " + p.owner + " of permission " 7554 + p.info.name + " is system; overriding " + bp.sourcePackage; 7555 reportSettingsProblem(Log.WARN, msg); 7556 bp = null; 7557 } 7558 } 7559 } 7560 7561 if (bp == null) { 7562 bp = new BasePermission(p.info.name, p.info.packageName, 7563 BasePermission.TYPE_NORMAL); 7564 permissionMap.put(p.info.name, bp); 7565 } 7566 7567 if (bp.perm == null) { 7568 if (bp.sourcePackage == null 7569 || bp.sourcePackage.equals(p.info.packageName)) { 7570 BasePermission tree = findPermissionTreeLP(p.info.name); 7571 if (tree == null 7572 || tree.sourcePackage.equals(p.info.packageName)) { 7573 bp.packageSetting = pkgSetting; 7574 bp.perm = p; 7575 bp.uid = pkg.applicationInfo.uid; 7576 bp.sourcePackage = p.info.packageName; 7577 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7578 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7579 if (r == null) { 7580 r = new StringBuilder(256); 7581 } else { 7582 r.append(' '); 7583 } 7584 r.append(p.info.name); 7585 } 7586 } else { 7587 Slog.w(TAG, "Permission " + p.info.name + " from package " 7588 + p.info.packageName + " ignored: base tree " 7589 + tree.name + " is from package " 7590 + tree.sourcePackage); 7591 } 7592 } else { 7593 Slog.w(TAG, "Permission " + p.info.name + " from package " 7594 + p.info.packageName + " ignored: original from " 7595 + bp.sourcePackage); 7596 } 7597 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7598 if (r == null) { 7599 r = new StringBuilder(256); 7600 } else { 7601 r.append(' '); 7602 } 7603 r.append("DUP:"); 7604 r.append(p.info.name); 7605 } 7606 if (bp.perm == p) { 7607 bp.protectionLevel = p.info.protectionLevel; 7608 } 7609 } 7610 7611 if (r != null) { 7612 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7613 } 7614 7615 N = pkg.instrumentation.size(); 7616 r = null; 7617 for (i=0; i<N; i++) { 7618 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7619 a.info.packageName = pkg.applicationInfo.packageName; 7620 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7621 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7622 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7623 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7624 a.info.dataDir = pkg.applicationInfo.dataDir; 7625 7626 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7627 // need other information about the application, like the ABI and what not ? 7628 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7629 mInstrumentation.put(a.getComponentName(), a); 7630 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7631 if (r == null) { 7632 r = new StringBuilder(256); 7633 } else { 7634 r.append(' '); 7635 } 7636 r.append(a.info.name); 7637 } 7638 } 7639 if (r != null) { 7640 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7641 } 7642 7643 if (pkg.protectedBroadcasts != null) { 7644 N = pkg.protectedBroadcasts.size(); 7645 for (i=0; i<N; i++) { 7646 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7647 } 7648 } 7649 7650 pkgSetting.setTimeStamp(scanFileTime); 7651 7652 // Create idmap files for pairs of (packages, overlay packages). 7653 // Note: "android", ie framework-res.apk, is handled by native layers. 7654 if (pkg.mOverlayTarget != null) { 7655 // This is an overlay package. 7656 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7657 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7658 mOverlays.put(pkg.mOverlayTarget, 7659 new ArrayMap<String, PackageParser.Package>()); 7660 } 7661 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7662 map.put(pkg.packageName, pkg); 7663 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7664 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7665 createIdmapFailed = true; 7666 } 7667 } 7668 } else if (mOverlays.containsKey(pkg.packageName) && 7669 !pkg.packageName.equals("android")) { 7670 // This is a regular package, with one or more known overlay packages. 7671 createIdmapsForPackageLI(pkg); 7672 } 7673 } 7674 7675 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7676 7677 if (createIdmapFailed) { 7678 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7679 "scanPackageLI failed to createIdmap"); 7680 } 7681 return pkg; 7682 } 7683 7684 /** 7685 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7686 * is derived purely on the basis of the contents of {@code scanFile} and 7687 * {@code cpuAbiOverride}. 7688 * 7689 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7690 */ 7691 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7692 String cpuAbiOverride, boolean extractLibs) 7693 throws PackageManagerException { 7694 // TODO: We can probably be smarter about this stuff. For installed apps, 7695 // we can calculate this information at install time once and for all. For 7696 // system apps, we can probably assume that this information doesn't change 7697 // after the first boot scan. As things stand, we do lots of unnecessary work. 7698 7699 // Give ourselves some initial paths; we'll come back for another 7700 // pass once we've determined ABI below. 7701 setNativeLibraryPaths(pkg); 7702 7703 // We would never need to extract libs for forward-locked and external packages, 7704 // since the container service will do it for us. We shouldn't attempt to 7705 // extract libs from system app when it was not updated. 7706 if (pkg.isForwardLocked() || isExternal(pkg) || 7707 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7708 extractLibs = false; 7709 } 7710 7711 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7712 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7713 7714 NativeLibraryHelper.Handle handle = null; 7715 try { 7716 handle = NativeLibraryHelper.Handle.create(pkg); 7717 // TODO(multiArch): This can be null for apps that didn't go through the 7718 // usual installation process. We can calculate it again, like we 7719 // do during install time. 7720 // 7721 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7722 // unnecessary. 7723 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7724 7725 // Null out the abis so that they can be recalculated. 7726 pkg.applicationInfo.primaryCpuAbi = null; 7727 pkg.applicationInfo.secondaryCpuAbi = null; 7728 if (isMultiArch(pkg.applicationInfo)) { 7729 // Warn if we've set an abiOverride for multi-lib packages.. 7730 // By definition, we need to copy both 32 and 64 bit libraries for 7731 // such packages. 7732 if (pkg.cpuAbiOverride != null 7733 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7734 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7735 } 7736 7737 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7738 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7739 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7740 if (extractLibs) { 7741 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7742 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7743 useIsaSpecificSubdirs); 7744 } else { 7745 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7746 } 7747 } 7748 7749 maybeThrowExceptionForMultiArchCopy( 7750 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7751 7752 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7753 if (extractLibs) { 7754 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7755 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7756 useIsaSpecificSubdirs); 7757 } else { 7758 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7759 } 7760 } 7761 7762 maybeThrowExceptionForMultiArchCopy( 7763 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7764 7765 if (abi64 >= 0) { 7766 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7767 } 7768 7769 if (abi32 >= 0) { 7770 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7771 if (abi64 >= 0) { 7772 pkg.applicationInfo.secondaryCpuAbi = abi; 7773 } else { 7774 pkg.applicationInfo.primaryCpuAbi = abi; 7775 } 7776 } 7777 } else { 7778 String[] abiList = (cpuAbiOverride != null) ? 7779 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7780 7781 // Enable gross and lame hacks for apps that are built with old 7782 // SDK tools. We must scan their APKs for renderscript bitcode and 7783 // not launch them if it's present. Don't bother checking on devices 7784 // that don't have 64 bit support. 7785 boolean needsRenderScriptOverride = false; 7786 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7787 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7788 abiList = Build.SUPPORTED_32_BIT_ABIS; 7789 needsRenderScriptOverride = true; 7790 } 7791 7792 final int copyRet; 7793 if (extractLibs) { 7794 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7795 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7796 } else { 7797 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7798 } 7799 7800 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7801 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7802 "Error unpackaging native libs for app, errorCode=" + copyRet); 7803 } 7804 7805 if (copyRet >= 0) { 7806 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7807 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7808 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7809 } else if (needsRenderScriptOverride) { 7810 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7811 } 7812 } 7813 } catch (IOException ioe) { 7814 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7815 } finally { 7816 IoUtils.closeQuietly(handle); 7817 } 7818 7819 // Now that we've calculated the ABIs and determined if it's an internal app, 7820 // we will go ahead and populate the nativeLibraryPath. 7821 setNativeLibraryPaths(pkg); 7822 } 7823 7824 /** 7825 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7826 * i.e, so that all packages can be run inside a single process if required. 7827 * 7828 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7829 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7830 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7831 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7832 * updating a package that belongs to a shared user. 7833 * 7834 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7835 * adds unnecessary complexity. 7836 */ 7837 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7838 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 7839 String requiredInstructionSet = null; 7840 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7841 requiredInstructionSet = VMRuntime.getInstructionSet( 7842 scannedPackage.applicationInfo.primaryCpuAbi); 7843 } 7844 7845 PackageSetting requirer = null; 7846 for (PackageSetting ps : packagesForUser) { 7847 // If packagesForUser contains scannedPackage, we skip it. This will happen 7848 // when scannedPackage is an update of an existing package. Without this check, 7849 // we will never be able to change the ABI of any package belonging to a shared 7850 // user, even if it's compatible with other packages. 7851 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7852 if (ps.primaryCpuAbiString == null) { 7853 continue; 7854 } 7855 7856 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7857 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7858 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7859 // this but there's not much we can do. 7860 String errorMessage = "Instruction set mismatch, " 7861 + ((requirer == null) ? "[caller]" : requirer) 7862 + " requires " + requiredInstructionSet + " whereas " + ps 7863 + " requires " + instructionSet; 7864 Slog.w(TAG, errorMessage); 7865 } 7866 7867 if (requiredInstructionSet == null) { 7868 requiredInstructionSet = instructionSet; 7869 requirer = ps; 7870 } 7871 } 7872 } 7873 7874 if (requiredInstructionSet != null) { 7875 String adjustedAbi; 7876 if (requirer != null) { 7877 // requirer != null implies that either scannedPackage was null or that scannedPackage 7878 // did not require an ABI, in which case we have to adjust scannedPackage to match 7879 // the ABI of the set (which is the same as requirer's ABI) 7880 adjustedAbi = requirer.primaryCpuAbiString; 7881 if (scannedPackage != null) { 7882 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7883 } 7884 } else { 7885 // requirer == null implies that we're updating all ABIs in the set to 7886 // match scannedPackage. 7887 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7888 } 7889 7890 for (PackageSetting ps : packagesForUser) { 7891 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7892 if (ps.primaryCpuAbiString != null) { 7893 continue; 7894 } 7895 7896 ps.primaryCpuAbiString = adjustedAbi; 7897 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7898 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7899 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7900 7901 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7902 7903 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7904 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 7905 7906 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7907 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7908 ps.primaryCpuAbiString = null; 7909 ps.pkg.applicationInfo.primaryCpuAbi = null; 7910 return; 7911 } else { 7912 mInstaller.rmdex(ps.codePathString, 7913 getDexCodeInstructionSet(getPreferredInstructionSet())); 7914 } 7915 } 7916 } 7917 } 7918 } 7919 } 7920 7921 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7922 synchronized (mPackages) { 7923 mResolverReplaced = true; 7924 // Set up information for custom user intent resolution activity. 7925 mResolveActivity.applicationInfo = pkg.applicationInfo; 7926 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7927 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7928 mResolveActivity.processName = pkg.applicationInfo.packageName; 7929 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7930 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7931 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7932 mResolveActivity.theme = 0; 7933 mResolveActivity.exported = true; 7934 mResolveActivity.enabled = true; 7935 mResolveInfo.activityInfo = mResolveActivity; 7936 mResolveInfo.priority = 0; 7937 mResolveInfo.preferredOrder = 0; 7938 mResolveInfo.match = 0; 7939 mResolveComponentName = mCustomResolverComponentName; 7940 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7941 mResolveComponentName); 7942 } 7943 } 7944 7945 private static String calculateBundledApkRoot(final String codePathString) { 7946 final File codePath = new File(codePathString); 7947 final File codeRoot; 7948 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7949 codeRoot = Environment.getRootDirectory(); 7950 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7951 codeRoot = Environment.getOemDirectory(); 7952 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7953 codeRoot = Environment.getVendorDirectory(); 7954 } else { 7955 // Unrecognized code path; take its top real segment as the apk root: 7956 // e.g. /something/app/blah.apk => /something 7957 try { 7958 File f = codePath.getCanonicalFile(); 7959 File parent = f.getParentFile(); // non-null because codePath is a file 7960 File tmp; 7961 while ((tmp = parent.getParentFile()) != null) { 7962 f = parent; 7963 parent = tmp; 7964 } 7965 codeRoot = f; 7966 Slog.w(TAG, "Unrecognized code path " 7967 + codePath + " - using " + codeRoot); 7968 } catch (IOException e) { 7969 // Can't canonicalize the code path -- shenanigans? 7970 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7971 return Environment.getRootDirectory().getPath(); 7972 } 7973 } 7974 return codeRoot.getPath(); 7975 } 7976 7977 /** 7978 * Derive and set the location of native libraries for the given package, 7979 * which varies depending on where and how the package was installed. 7980 */ 7981 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7982 final ApplicationInfo info = pkg.applicationInfo; 7983 final String codePath = pkg.codePath; 7984 final File codeFile = new File(codePath); 7985 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7986 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7987 7988 info.nativeLibraryRootDir = null; 7989 info.nativeLibraryRootRequiresIsa = false; 7990 info.nativeLibraryDir = null; 7991 info.secondaryNativeLibraryDir = null; 7992 7993 if (isApkFile(codeFile)) { 7994 // Monolithic install 7995 if (bundledApp) { 7996 // If "/system/lib64/apkname" exists, assume that is the per-package 7997 // native library directory to use; otherwise use "/system/lib/apkname". 7998 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7999 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8000 getPrimaryInstructionSet(info)); 8001 8002 // This is a bundled system app so choose the path based on the ABI. 8003 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8004 // is just the default path. 8005 final String apkName = deriveCodePathName(codePath); 8006 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8007 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8008 apkName).getAbsolutePath(); 8009 8010 if (info.secondaryCpuAbi != null) { 8011 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8012 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8013 secondaryLibDir, apkName).getAbsolutePath(); 8014 } 8015 } else if (asecApp) { 8016 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8017 .getAbsolutePath(); 8018 } else { 8019 final String apkName = deriveCodePathName(codePath); 8020 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8021 .getAbsolutePath(); 8022 } 8023 8024 info.nativeLibraryRootRequiresIsa = false; 8025 info.nativeLibraryDir = info.nativeLibraryRootDir; 8026 } else { 8027 // Cluster install 8028 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8029 info.nativeLibraryRootRequiresIsa = true; 8030 8031 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8032 getPrimaryInstructionSet(info)).getAbsolutePath(); 8033 8034 if (info.secondaryCpuAbi != null) { 8035 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8036 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8037 } 8038 } 8039 } 8040 8041 /** 8042 * Calculate the abis and roots for a bundled app. These can uniquely 8043 * be determined from the contents of the system partition, i.e whether 8044 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8045 * of this information, and instead assume that the system was built 8046 * sensibly. 8047 */ 8048 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8049 PackageSetting pkgSetting) { 8050 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8051 8052 // If "/system/lib64/apkname" exists, assume that is the per-package 8053 // native library directory to use; otherwise use "/system/lib/apkname". 8054 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8055 setBundledAppAbi(pkg, apkRoot, apkName); 8056 // pkgSetting might be null during rescan following uninstall of updates 8057 // to a bundled app, so accommodate that possibility. The settings in 8058 // that case will be established later from the parsed package. 8059 // 8060 // If the settings aren't null, sync them up with what we've just derived. 8061 // note that apkRoot isn't stored in the package settings. 8062 if (pkgSetting != null) { 8063 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8064 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8065 } 8066 } 8067 8068 /** 8069 * Deduces the ABI of a bundled app and sets the relevant fields on the 8070 * parsed pkg object. 8071 * 8072 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8073 * under which system libraries are installed. 8074 * @param apkName the name of the installed package. 8075 */ 8076 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8077 final File codeFile = new File(pkg.codePath); 8078 8079 final boolean has64BitLibs; 8080 final boolean has32BitLibs; 8081 if (isApkFile(codeFile)) { 8082 // Monolithic install 8083 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8084 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8085 } else { 8086 // Cluster install 8087 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8088 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8089 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8090 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8091 has64BitLibs = (new File(rootDir, isa)).exists(); 8092 } else { 8093 has64BitLibs = false; 8094 } 8095 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8096 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8097 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8098 has32BitLibs = (new File(rootDir, isa)).exists(); 8099 } else { 8100 has32BitLibs = false; 8101 } 8102 } 8103 8104 if (has64BitLibs && !has32BitLibs) { 8105 // The package has 64 bit libs, but not 32 bit libs. Its primary 8106 // ABI should be 64 bit. We can safely assume here that the bundled 8107 // native libraries correspond to the most preferred ABI in the list. 8108 8109 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8110 pkg.applicationInfo.secondaryCpuAbi = null; 8111 } else if (has32BitLibs && !has64BitLibs) { 8112 // The package has 32 bit libs but not 64 bit libs. Its primary 8113 // ABI should be 32 bit. 8114 8115 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8116 pkg.applicationInfo.secondaryCpuAbi = null; 8117 } else if (has32BitLibs && has64BitLibs) { 8118 // The application has both 64 and 32 bit bundled libraries. We check 8119 // here that the app declares multiArch support, and warn if it doesn't. 8120 // 8121 // We will be lenient here and record both ABIs. The primary will be the 8122 // ABI that's higher on the list, i.e, a device that's configured to prefer 8123 // 64 bit apps will see a 64 bit primary ABI, 8124 8125 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8126 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8127 } 8128 8129 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8130 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8131 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8132 } else { 8133 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8134 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8135 } 8136 } else { 8137 pkg.applicationInfo.primaryCpuAbi = null; 8138 pkg.applicationInfo.secondaryCpuAbi = null; 8139 } 8140 } 8141 8142 private void killApplication(String pkgName, int appId, String reason) { 8143 // Request the ActivityManager to kill the process(only for existing packages) 8144 // so that we do not end up in a confused state while the user is still using the older 8145 // version of the application while the new one gets installed. 8146 IActivityManager am = ActivityManagerNative.getDefault(); 8147 if (am != null) { 8148 try { 8149 am.killApplicationWithAppId(pkgName, appId, reason); 8150 } catch (RemoteException e) { 8151 } 8152 } 8153 } 8154 8155 void removePackageLI(PackageSetting ps, boolean chatty) { 8156 if (DEBUG_INSTALL) { 8157 if (chatty) 8158 Log.d(TAG, "Removing package " + ps.name); 8159 } 8160 8161 // writer 8162 synchronized (mPackages) { 8163 mPackages.remove(ps.name); 8164 final PackageParser.Package pkg = ps.pkg; 8165 if (pkg != null) { 8166 cleanPackageDataStructuresLILPw(pkg, chatty); 8167 } 8168 } 8169 } 8170 8171 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8172 if (DEBUG_INSTALL) { 8173 if (chatty) 8174 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8175 } 8176 8177 // writer 8178 synchronized (mPackages) { 8179 mPackages.remove(pkg.applicationInfo.packageName); 8180 cleanPackageDataStructuresLILPw(pkg, chatty); 8181 } 8182 } 8183 8184 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8185 int N = pkg.providers.size(); 8186 StringBuilder r = null; 8187 int i; 8188 for (i=0; i<N; i++) { 8189 PackageParser.Provider p = pkg.providers.get(i); 8190 mProviders.removeProvider(p); 8191 if (p.info.authority == null) { 8192 8193 /* There was another ContentProvider with this authority when 8194 * this app was installed so this authority is null, 8195 * Ignore it as we don't have to unregister the provider. 8196 */ 8197 continue; 8198 } 8199 String names[] = p.info.authority.split(";"); 8200 for (int j = 0; j < names.length; j++) { 8201 if (mProvidersByAuthority.get(names[j]) == p) { 8202 mProvidersByAuthority.remove(names[j]); 8203 if (DEBUG_REMOVE) { 8204 if (chatty) 8205 Log.d(TAG, "Unregistered content provider: " + names[j] 8206 + ", className = " + p.info.name + ", isSyncable = " 8207 + p.info.isSyncable); 8208 } 8209 } 8210 } 8211 if (DEBUG_REMOVE && chatty) { 8212 if (r == null) { 8213 r = new StringBuilder(256); 8214 } else { 8215 r.append(' '); 8216 } 8217 r.append(p.info.name); 8218 } 8219 } 8220 if (r != null) { 8221 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8222 } 8223 8224 N = pkg.services.size(); 8225 r = null; 8226 for (i=0; i<N; i++) { 8227 PackageParser.Service s = pkg.services.get(i); 8228 mServices.removeService(s); 8229 if (chatty) { 8230 if (r == null) { 8231 r = new StringBuilder(256); 8232 } else { 8233 r.append(' '); 8234 } 8235 r.append(s.info.name); 8236 } 8237 } 8238 if (r != null) { 8239 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8240 } 8241 8242 N = pkg.receivers.size(); 8243 r = null; 8244 for (i=0; i<N; i++) { 8245 PackageParser.Activity a = pkg.receivers.get(i); 8246 mReceivers.removeActivity(a, "receiver"); 8247 if (DEBUG_REMOVE && chatty) { 8248 if (r == null) { 8249 r = new StringBuilder(256); 8250 } else { 8251 r.append(' '); 8252 } 8253 r.append(a.info.name); 8254 } 8255 } 8256 if (r != null) { 8257 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8258 } 8259 8260 N = pkg.activities.size(); 8261 r = null; 8262 for (i=0; i<N; i++) { 8263 PackageParser.Activity a = pkg.activities.get(i); 8264 mActivities.removeActivity(a, "activity"); 8265 if (DEBUG_REMOVE && chatty) { 8266 if (r == null) { 8267 r = new StringBuilder(256); 8268 } else { 8269 r.append(' '); 8270 } 8271 r.append(a.info.name); 8272 } 8273 } 8274 if (r != null) { 8275 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8276 } 8277 8278 N = pkg.permissions.size(); 8279 r = null; 8280 for (i=0; i<N; i++) { 8281 PackageParser.Permission p = pkg.permissions.get(i); 8282 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8283 if (bp == null) { 8284 bp = mSettings.mPermissionTrees.get(p.info.name); 8285 } 8286 if (bp != null && bp.perm == p) { 8287 bp.perm = null; 8288 if (DEBUG_REMOVE && chatty) { 8289 if (r == null) { 8290 r = new StringBuilder(256); 8291 } else { 8292 r.append(' '); 8293 } 8294 r.append(p.info.name); 8295 } 8296 } 8297 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8298 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8299 if (appOpPerms != null) { 8300 appOpPerms.remove(pkg.packageName); 8301 } 8302 } 8303 } 8304 if (r != null) { 8305 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8306 } 8307 8308 N = pkg.requestedPermissions.size(); 8309 r = null; 8310 for (i=0; i<N; i++) { 8311 String perm = pkg.requestedPermissions.get(i); 8312 BasePermission bp = mSettings.mPermissions.get(perm); 8313 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8314 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8315 if (appOpPerms != null) { 8316 appOpPerms.remove(pkg.packageName); 8317 if (appOpPerms.isEmpty()) { 8318 mAppOpPermissionPackages.remove(perm); 8319 } 8320 } 8321 } 8322 } 8323 if (r != null) { 8324 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8325 } 8326 8327 N = pkg.instrumentation.size(); 8328 r = null; 8329 for (i=0; i<N; i++) { 8330 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8331 mInstrumentation.remove(a.getComponentName()); 8332 if (DEBUG_REMOVE && chatty) { 8333 if (r == null) { 8334 r = new StringBuilder(256); 8335 } else { 8336 r.append(' '); 8337 } 8338 r.append(a.info.name); 8339 } 8340 } 8341 if (r != null) { 8342 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8343 } 8344 8345 r = null; 8346 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8347 // Only system apps can hold shared libraries. 8348 if (pkg.libraryNames != null) { 8349 for (i=0; i<pkg.libraryNames.size(); i++) { 8350 String name = pkg.libraryNames.get(i); 8351 SharedLibraryEntry cur = mSharedLibraries.get(name); 8352 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8353 mSharedLibraries.remove(name); 8354 if (DEBUG_REMOVE && chatty) { 8355 if (r == null) { 8356 r = new StringBuilder(256); 8357 } else { 8358 r.append(' '); 8359 } 8360 r.append(name); 8361 } 8362 } 8363 } 8364 } 8365 } 8366 if (r != null) { 8367 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8368 } 8369 } 8370 8371 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8372 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8373 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8374 return true; 8375 } 8376 } 8377 return false; 8378 } 8379 8380 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8381 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8382 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8383 8384 private void updatePermissionsLPw(String changingPkg, 8385 PackageParser.Package pkgInfo, int flags) { 8386 // Make sure there are no dangling permission trees. 8387 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8388 while (it.hasNext()) { 8389 final BasePermission bp = it.next(); 8390 if (bp.packageSetting == null) { 8391 // We may not yet have parsed the package, so just see if 8392 // we still know about its settings. 8393 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8394 } 8395 if (bp.packageSetting == null) { 8396 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8397 + " from package " + bp.sourcePackage); 8398 it.remove(); 8399 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8400 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8401 Slog.i(TAG, "Removing old permission tree: " + bp.name 8402 + " from package " + bp.sourcePackage); 8403 flags |= UPDATE_PERMISSIONS_ALL; 8404 it.remove(); 8405 } 8406 } 8407 } 8408 8409 // Make sure all dynamic permissions have been assigned to a package, 8410 // and make sure there are no dangling permissions. 8411 it = mSettings.mPermissions.values().iterator(); 8412 while (it.hasNext()) { 8413 final BasePermission bp = it.next(); 8414 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8415 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8416 + bp.name + " pkg=" + bp.sourcePackage 8417 + " info=" + bp.pendingInfo); 8418 if (bp.packageSetting == null && bp.pendingInfo != null) { 8419 final BasePermission tree = findPermissionTreeLP(bp.name); 8420 if (tree != null && tree.perm != null) { 8421 bp.packageSetting = tree.packageSetting; 8422 bp.perm = new PackageParser.Permission(tree.perm.owner, 8423 new PermissionInfo(bp.pendingInfo)); 8424 bp.perm.info.packageName = tree.perm.info.packageName; 8425 bp.perm.info.name = bp.name; 8426 bp.uid = tree.uid; 8427 } 8428 } 8429 } 8430 if (bp.packageSetting == null) { 8431 // We may not yet have parsed the package, so just see if 8432 // we still know about its settings. 8433 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8434 } 8435 if (bp.packageSetting == null) { 8436 Slog.w(TAG, "Removing dangling permission: " + bp.name 8437 + " from package " + bp.sourcePackage); 8438 it.remove(); 8439 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8440 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8441 Slog.i(TAG, "Removing old permission: " + bp.name 8442 + " from package " + bp.sourcePackage); 8443 flags |= UPDATE_PERMISSIONS_ALL; 8444 it.remove(); 8445 } 8446 } 8447 } 8448 8449 // Now update the permissions for all packages, in particular 8450 // replace the granted permissions of the system packages. 8451 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8452 for (PackageParser.Package pkg : mPackages.values()) { 8453 if (pkg != pkgInfo) { 8454 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8455 changingPkg); 8456 } 8457 } 8458 } 8459 8460 if (pkgInfo != null) { 8461 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8462 } 8463 } 8464 8465 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8466 String packageOfInterest) { 8467 // IMPORTANT: There are two types of permissions: install and runtime. 8468 // Install time permissions are granted when the app is installed to 8469 // all device users and users added in the future. Runtime permissions 8470 // are granted at runtime explicitly to specific users. Normal and signature 8471 // protected permissions are install time permissions. Dangerous permissions 8472 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8473 // otherwise they are runtime permissions. This function does not manage 8474 // runtime permissions except for the case an app targeting Lollipop MR1 8475 // being upgraded to target a newer SDK, in which case dangerous permissions 8476 // are transformed from install time to runtime ones. 8477 8478 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8479 if (ps == null) { 8480 return; 8481 } 8482 8483 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8484 8485 PermissionsState permissionsState = ps.getPermissionsState(); 8486 PermissionsState origPermissions = permissionsState; 8487 8488 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8489 8490 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8491 8492 boolean changedInstallPermission = false; 8493 8494 if (replace) { 8495 ps.installPermissionsFixed = false; 8496 if (!ps.isSharedUser()) { 8497 origPermissions = new PermissionsState(permissionsState); 8498 permissionsState.reset(); 8499 } 8500 } 8501 8502 permissionsState.setGlobalGids(mGlobalGids); 8503 8504 final int N = pkg.requestedPermissions.size(); 8505 for (int i=0; i<N; i++) { 8506 final String name = pkg.requestedPermissions.get(i); 8507 final BasePermission bp = mSettings.mPermissions.get(name); 8508 8509 if (DEBUG_INSTALL) { 8510 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8511 } 8512 8513 if (bp == null || bp.packageSetting == null) { 8514 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8515 Slog.w(TAG, "Unknown permission " + name 8516 + " in package " + pkg.packageName); 8517 } 8518 continue; 8519 } 8520 8521 final String perm = bp.name; 8522 boolean allowedSig = false; 8523 int grant = GRANT_DENIED; 8524 8525 // Keep track of app op permissions. 8526 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8527 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8528 if (pkgs == null) { 8529 pkgs = new ArraySet<>(); 8530 mAppOpPermissionPackages.put(bp.name, pkgs); 8531 } 8532 pkgs.add(pkg.packageName); 8533 } 8534 8535 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8536 switch (level) { 8537 case PermissionInfo.PROTECTION_NORMAL: { 8538 // For all apps normal permissions are install time ones. 8539 grant = GRANT_INSTALL; 8540 } break; 8541 8542 case PermissionInfo.PROTECTION_DANGEROUS: { 8543 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8544 // For legacy apps dangerous permissions are install time ones. 8545 grant = GRANT_INSTALL_LEGACY; 8546 } else if (origPermissions.hasInstallPermission(bp.name)) { 8547 // For legacy apps that became modern, install becomes runtime. 8548 grant = GRANT_UPGRADE; 8549 } else if (mPromoteSystemApps 8550 && isSystemApp(ps) 8551 && mExistingSystemPackages.contains(ps.name)) { 8552 // For legacy system apps, install becomes runtime. 8553 // We cannot check hasInstallPermission() for system apps since those 8554 // permissions were granted implicitly and not persisted pre-M. 8555 grant = GRANT_UPGRADE; 8556 } else { 8557 // For modern apps keep runtime permissions unchanged. 8558 grant = GRANT_RUNTIME; 8559 } 8560 } break; 8561 8562 case PermissionInfo.PROTECTION_SIGNATURE: { 8563 // For all apps signature permissions are install time ones. 8564 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8565 if (allowedSig) { 8566 grant = GRANT_INSTALL; 8567 } 8568 } break; 8569 } 8570 8571 if (DEBUG_INSTALL) { 8572 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8573 } 8574 8575 if (grant != GRANT_DENIED) { 8576 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8577 // If this is an existing, non-system package, then 8578 // we can't add any new permissions to it. 8579 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8580 // Except... if this is a permission that was added 8581 // to the platform (note: need to only do this when 8582 // updating the platform). 8583 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8584 grant = GRANT_DENIED; 8585 } 8586 } 8587 } 8588 8589 switch (grant) { 8590 case GRANT_INSTALL: { 8591 // Revoke this as runtime permission to handle the case of 8592 // a runtime permission being downgraded to an install one. 8593 for (int userId : UserManagerService.getInstance().getUserIds()) { 8594 if (origPermissions.getRuntimePermissionState( 8595 bp.name, userId) != null) { 8596 // Revoke the runtime permission and clear the flags. 8597 origPermissions.revokeRuntimePermission(bp, userId); 8598 origPermissions.updatePermissionFlags(bp, userId, 8599 PackageManager.MASK_PERMISSION_FLAGS, 0); 8600 // If we revoked a permission permission, we have to write. 8601 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8602 changedRuntimePermissionUserIds, userId); 8603 } 8604 } 8605 // Grant an install permission. 8606 if (permissionsState.grantInstallPermission(bp) != 8607 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8608 changedInstallPermission = true; 8609 } 8610 } break; 8611 8612 case GRANT_INSTALL_LEGACY: { 8613 // Grant an install permission. 8614 if (permissionsState.grantInstallPermission(bp) != 8615 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8616 changedInstallPermission = true; 8617 } 8618 } break; 8619 8620 case GRANT_RUNTIME: { 8621 // Grant previously granted runtime permissions. 8622 for (int userId : UserManagerService.getInstance().getUserIds()) { 8623 PermissionState permissionState = origPermissions 8624 .getRuntimePermissionState(bp.name, userId); 8625 final int flags = permissionState != null 8626 ? permissionState.getFlags() : 0; 8627 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8628 if (permissionsState.grantRuntimePermission(bp, userId) == 8629 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8630 // If we cannot put the permission as it was, we have to write. 8631 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8632 changedRuntimePermissionUserIds, userId); 8633 } 8634 } 8635 // Propagate the permission flags. 8636 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8637 } 8638 } break; 8639 8640 case GRANT_UPGRADE: { 8641 // Grant runtime permissions for a previously held install permission. 8642 PermissionState permissionState = origPermissions 8643 .getInstallPermissionState(bp.name); 8644 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8645 8646 if (origPermissions.revokeInstallPermission(bp) 8647 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8648 // We will be transferring the permission flags, so clear them. 8649 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8650 PackageManager.MASK_PERMISSION_FLAGS, 0); 8651 changedInstallPermission = true; 8652 } 8653 8654 // If the permission is not to be promoted to runtime we ignore it and 8655 // also its other flags as they are not applicable to install permissions. 8656 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8657 for (int userId : currentUserIds) { 8658 if (permissionsState.grantRuntimePermission(bp, userId) != 8659 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8660 // Transfer the permission flags. 8661 permissionsState.updatePermissionFlags(bp, userId, 8662 flags, flags); 8663 // If we granted the permission, we have to write. 8664 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8665 changedRuntimePermissionUserIds, userId); 8666 } 8667 } 8668 } 8669 } break; 8670 8671 default: { 8672 if (packageOfInterest == null 8673 || packageOfInterest.equals(pkg.packageName)) { 8674 Slog.w(TAG, "Not granting permission " + perm 8675 + " to package " + pkg.packageName 8676 + " because it was previously installed without"); 8677 } 8678 } break; 8679 } 8680 } else { 8681 if (permissionsState.revokeInstallPermission(bp) != 8682 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8683 // Also drop the permission flags. 8684 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8685 PackageManager.MASK_PERMISSION_FLAGS, 0); 8686 changedInstallPermission = true; 8687 Slog.i(TAG, "Un-granting permission " + perm 8688 + " from package " + pkg.packageName 8689 + " (protectionLevel=" + bp.protectionLevel 8690 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8691 + ")"); 8692 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8693 // Don't print warning for app op permissions, since it is fine for them 8694 // not to be granted, there is a UI for the user to decide. 8695 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8696 Slog.w(TAG, "Not granting permission " + perm 8697 + " to package " + pkg.packageName 8698 + " (protectionLevel=" + bp.protectionLevel 8699 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8700 + ")"); 8701 } 8702 } 8703 } 8704 } 8705 8706 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8707 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8708 // This is the first that we have heard about this package, so the 8709 // permissions we have now selected are fixed until explicitly 8710 // changed. 8711 ps.installPermissionsFixed = true; 8712 } 8713 8714 // Persist the runtime permissions state for users with changes. 8715 for (int userId : changedRuntimePermissionUserIds) { 8716 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8717 } 8718 8719 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8720 } 8721 8722 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8723 boolean allowed = false; 8724 final int NP = PackageParser.NEW_PERMISSIONS.length; 8725 for (int ip=0; ip<NP; ip++) { 8726 final PackageParser.NewPermissionInfo npi 8727 = PackageParser.NEW_PERMISSIONS[ip]; 8728 if (npi.name.equals(perm) 8729 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8730 allowed = true; 8731 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8732 + pkg.packageName); 8733 break; 8734 } 8735 } 8736 return allowed; 8737 } 8738 8739 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8740 BasePermission bp, PermissionsState origPermissions) { 8741 boolean allowed; 8742 allowed = (compareSignatures( 8743 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8744 == PackageManager.SIGNATURE_MATCH) 8745 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8746 == PackageManager.SIGNATURE_MATCH); 8747 if (!allowed && (bp.protectionLevel 8748 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8749 if (isSystemApp(pkg)) { 8750 // For updated system applications, a system permission 8751 // is granted only if it had been defined by the original application. 8752 if (pkg.isUpdatedSystemApp()) { 8753 final PackageSetting sysPs = mSettings 8754 .getDisabledSystemPkgLPr(pkg.packageName); 8755 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8756 // If the original was granted this permission, we take 8757 // that grant decision as read and propagate it to the 8758 // update. 8759 if (sysPs.isPrivileged()) { 8760 allowed = true; 8761 } 8762 } else { 8763 // The system apk may have been updated with an older 8764 // version of the one on the data partition, but which 8765 // granted a new system permission that it didn't have 8766 // before. In this case we do want to allow the app to 8767 // now get the new permission if the ancestral apk is 8768 // privileged to get it. 8769 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8770 for (int j=0; 8771 j<sysPs.pkg.requestedPermissions.size(); j++) { 8772 if (perm.equals( 8773 sysPs.pkg.requestedPermissions.get(j))) { 8774 allowed = true; 8775 break; 8776 } 8777 } 8778 } 8779 } 8780 } else { 8781 allowed = isPrivilegedApp(pkg); 8782 } 8783 } 8784 } 8785 if (!allowed) { 8786 if (!allowed && (bp.protectionLevel 8787 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8788 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8789 // If this was a previously normal/dangerous permission that got moved 8790 // to a system permission as part of the runtime permission redesign, then 8791 // we still want to blindly grant it to old apps. 8792 allowed = true; 8793 } 8794 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8795 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8796 // If this permission is to be granted to the system installer and 8797 // this app is an installer, then it gets the permission. 8798 allowed = true; 8799 } 8800 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8801 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8802 // If this permission is to be granted to the system verifier and 8803 // this app is a verifier, then it gets the permission. 8804 allowed = true; 8805 } 8806 if (!allowed && (bp.protectionLevel 8807 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8808 && isSystemApp(pkg)) { 8809 // Any pre-installed system app is allowed to get this permission. 8810 allowed = true; 8811 } 8812 if (!allowed && (bp.protectionLevel 8813 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8814 // For development permissions, a development permission 8815 // is granted only if it was already granted. 8816 allowed = origPermissions.hasInstallPermission(perm); 8817 } 8818 } 8819 return allowed; 8820 } 8821 8822 final class ActivityIntentResolver 8823 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8824 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8825 boolean defaultOnly, int userId) { 8826 if (!sUserManager.exists(userId)) return null; 8827 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8828 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8829 } 8830 8831 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8832 int userId) { 8833 if (!sUserManager.exists(userId)) return null; 8834 mFlags = flags; 8835 return super.queryIntent(intent, resolvedType, 8836 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8837 } 8838 8839 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8840 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8841 if (!sUserManager.exists(userId)) return null; 8842 if (packageActivities == null) { 8843 return null; 8844 } 8845 mFlags = flags; 8846 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8847 final int N = packageActivities.size(); 8848 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8849 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8850 8851 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8852 for (int i = 0; i < N; ++i) { 8853 intentFilters = packageActivities.get(i).intents; 8854 if (intentFilters != null && intentFilters.size() > 0) { 8855 PackageParser.ActivityIntentInfo[] array = 8856 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8857 intentFilters.toArray(array); 8858 listCut.add(array); 8859 } 8860 } 8861 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8862 } 8863 8864 public final void addActivity(PackageParser.Activity a, String type) { 8865 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8866 mActivities.put(a.getComponentName(), a); 8867 if (DEBUG_SHOW_INFO) 8868 Log.v( 8869 TAG, " " + type + " " + 8870 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8871 if (DEBUG_SHOW_INFO) 8872 Log.v(TAG, " Class=" + a.info.name); 8873 final int NI = a.intents.size(); 8874 for (int j=0; j<NI; j++) { 8875 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8876 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8877 intent.setPriority(0); 8878 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8879 + a.className + " with priority > 0, forcing to 0"); 8880 } 8881 if (DEBUG_SHOW_INFO) { 8882 Log.v(TAG, " IntentFilter:"); 8883 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8884 } 8885 if (!intent.debugCheck()) { 8886 Log.w(TAG, "==> For Activity " + a.info.name); 8887 } 8888 addFilter(intent); 8889 } 8890 } 8891 8892 public final void removeActivity(PackageParser.Activity a, String type) { 8893 mActivities.remove(a.getComponentName()); 8894 if (DEBUG_SHOW_INFO) { 8895 Log.v(TAG, " " + type + " " 8896 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8897 : a.info.name) + ":"); 8898 Log.v(TAG, " Class=" + a.info.name); 8899 } 8900 final int NI = a.intents.size(); 8901 for (int j=0; j<NI; j++) { 8902 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8903 if (DEBUG_SHOW_INFO) { 8904 Log.v(TAG, " IntentFilter:"); 8905 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8906 } 8907 removeFilter(intent); 8908 } 8909 } 8910 8911 @Override 8912 protected boolean allowFilterResult( 8913 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8914 ActivityInfo filterAi = filter.activity.info; 8915 for (int i=dest.size()-1; i>=0; i--) { 8916 ActivityInfo destAi = dest.get(i).activityInfo; 8917 if (destAi.name == filterAi.name 8918 && destAi.packageName == filterAi.packageName) { 8919 return false; 8920 } 8921 } 8922 return true; 8923 } 8924 8925 @Override 8926 protected ActivityIntentInfo[] newArray(int size) { 8927 return new ActivityIntentInfo[size]; 8928 } 8929 8930 @Override 8931 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8932 if (!sUserManager.exists(userId)) return true; 8933 PackageParser.Package p = filter.activity.owner; 8934 if (p != null) { 8935 PackageSetting ps = (PackageSetting)p.mExtras; 8936 if (ps != null) { 8937 // System apps are never considered stopped for purposes of 8938 // filtering, because there may be no way for the user to 8939 // actually re-launch them. 8940 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8941 && ps.getStopped(userId); 8942 } 8943 } 8944 return false; 8945 } 8946 8947 @Override 8948 protected boolean isPackageForFilter(String packageName, 8949 PackageParser.ActivityIntentInfo info) { 8950 return packageName.equals(info.activity.owner.packageName); 8951 } 8952 8953 @Override 8954 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8955 int match, int userId) { 8956 if (!sUserManager.exists(userId)) return null; 8957 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8958 return null; 8959 } 8960 final PackageParser.Activity activity = info.activity; 8961 if (mSafeMode && (activity.info.applicationInfo.flags 8962 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8963 return null; 8964 } 8965 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8966 if (ps == null) { 8967 return null; 8968 } 8969 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8970 ps.readUserState(userId), userId); 8971 if (ai == null) { 8972 return null; 8973 } 8974 final ResolveInfo res = new ResolveInfo(); 8975 res.activityInfo = ai; 8976 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8977 res.filter = info; 8978 } 8979 if (info != null) { 8980 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8981 } 8982 res.priority = info.getPriority(); 8983 res.preferredOrder = activity.owner.mPreferredOrder; 8984 //System.out.println("Result: " + res.activityInfo.className + 8985 // " = " + res.priority); 8986 res.match = match; 8987 res.isDefault = info.hasDefault; 8988 res.labelRes = info.labelRes; 8989 res.nonLocalizedLabel = info.nonLocalizedLabel; 8990 if (userNeedsBadging(userId)) { 8991 res.noResourceId = true; 8992 } else { 8993 res.icon = info.icon; 8994 } 8995 res.iconResourceId = info.icon; 8996 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8997 return res; 8998 } 8999 9000 @Override 9001 protected void sortResults(List<ResolveInfo> results) { 9002 Collections.sort(results, mResolvePrioritySorter); 9003 } 9004 9005 @Override 9006 protected void dumpFilter(PrintWriter out, String prefix, 9007 PackageParser.ActivityIntentInfo filter) { 9008 out.print(prefix); out.print( 9009 Integer.toHexString(System.identityHashCode(filter.activity))); 9010 out.print(' '); 9011 filter.activity.printComponentShortName(out); 9012 out.print(" filter "); 9013 out.println(Integer.toHexString(System.identityHashCode(filter))); 9014 } 9015 9016 @Override 9017 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9018 return filter.activity; 9019 } 9020 9021 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9022 PackageParser.Activity activity = (PackageParser.Activity)label; 9023 out.print(prefix); out.print( 9024 Integer.toHexString(System.identityHashCode(activity))); 9025 out.print(' '); 9026 activity.printComponentShortName(out); 9027 if (count > 1) { 9028 out.print(" ("); out.print(count); out.print(" filters)"); 9029 } 9030 out.println(); 9031 } 9032 9033// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9034// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9035// final List<ResolveInfo> retList = Lists.newArrayList(); 9036// while (i.hasNext()) { 9037// final ResolveInfo resolveInfo = i.next(); 9038// if (isEnabledLP(resolveInfo.activityInfo)) { 9039// retList.add(resolveInfo); 9040// } 9041// } 9042// return retList; 9043// } 9044 9045 // Keys are String (activity class name), values are Activity. 9046 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9047 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9048 private int mFlags; 9049 } 9050 9051 private final class ServiceIntentResolver 9052 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9053 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9054 boolean defaultOnly, int userId) { 9055 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9056 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9057 } 9058 9059 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9060 int userId) { 9061 if (!sUserManager.exists(userId)) return null; 9062 mFlags = flags; 9063 return super.queryIntent(intent, resolvedType, 9064 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9065 } 9066 9067 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9068 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9069 if (!sUserManager.exists(userId)) return null; 9070 if (packageServices == null) { 9071 return null; 9072 } 9073 mFlags = flags; 9074 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9075 final int N = packageServices.size(); 9076 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9077 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9078 9079 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9080 for (int i = 0; i < N; ++i) { 9081 intentFilters = packageServices.get(i).intents; 9082 if (intentFilters != null && intentFilters.size() > 0) { 9083 PackageParser.ServiceIntentInfo[] array = 9084 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9085 intentFilters.toArray(array); 9086 listCut.add(array); 9087 } 9088 } 9089 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9090 } 9091 9092 public final void addService(PackageParser.Service s) { 9093 mServices.put(s.getComponentName(), s); 9094 if (DEBUG_SHOW_INFO) { 9095 Log.v(TAG, " " 9096 + (s.info.nonLocalizedLabel != null 9097 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9098 Log.v(TAG, " Class=" + s.info.name); 9099 } 9100 final int NI = s.intents.size(); 9101 int j; 9102 for (j=0; j<NI; j++) { 9103 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9104 if (DEBUG_SHOW_INFO) { 9105 Log.v(TAG, " IntentFilter:"); 9106 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9107 } 9108 if (!intent.debugCheck()) { 9109 Log.w(TAG, "==> For Service " + s.info.name); 9110 } 9111 addFilter(intent); 9112 } 9113 } 9114 9115 public final void removeService(PackageParser.Service s) { 9116 mServices.remove(s.getComponentName()); 9117 if (DEBUG_SHOW_INFO) { 9118 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9119 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9120 Log.v(TAG, " Class=" + s.info.name); 9121 } 9122 final int NI = s.intents.size(); 9123 int j; 9124 for (j=0; j<NI; j++) { 9125 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9126 if (DEBUG_SHOW_INFO) { 9127 Log.v(TAG, " IntentFilter:"); 9128 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9129 } 9130 removeFilter(intent); 9131 } 9132 } 9133 9134 @Override 9135 protected boolean allowFilterResult( 9136 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9137 ServiceInfo filterSi = filter.service.info; 9138 for (int i=dest.size()-1; i>=0; i--) { 9139 ServiceInfo destAi = dest.get(i).serviceInfo; 9140 if (destAi.name == filterSi.name 9141 && destAi.packageName == filterSi.packageName) { 9142 return false; 9143 } 9144 } 9145 return true; 9146 } 9147 9148 @Override 9149 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9150 return new PackageParser.ServiceIntentInfo[size]; 9151 } 9152 9153 @Override 9154 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9155 if (!sUserManager.exists(userId)) return true; 9156 PackageParser.Package p = filter.service.owner; 9157 if (p != null) { 9158 PackageSetting ps = (PackageSetting)p.mExtras; 9159 if (ps != null) { 9160 // System apps are never considered stopped for purposes of 9161 // filtering, because there may be no way for the user to 9162 // actually re-launch them. 9163 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9164 && ps.getStopped(userId); 9165 } 9166 } 9167 return false; 9168 } 9169 9170 @Override 9171 protected boolean isPackageForFilter(String packageName, 9172 PackageParser.ServiceIntentInfo info) { 9173 return packageName.equals(info.service.owner.packageName); 9174 } 9175 9176 @Override 9177 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9178 int match, int userId) { 9179 if (!sUserManager.exists(userId)) return null; 9180 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9181 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9182 return null; 9183 } 9184 final PackageParser.Service service = info.service; 9185 if (mSafeMode && (service.info.applicationInfo.flags 9186 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9187 return null; 9188 } 9189 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9190 if (ps == null) { 9191 return null; 9192 } 9193 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9194 ps.readUserState(userId), userId); 9195 if (si == null) { 9196 return null; 9197 } 9198 final ResolveInfo res = new ResolveInfo(); 9199 res.serviceInfo = si; 9200 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9201 res.filter = filter; 9202 } 9203 res.priority = info.getPriority(); 9204 res.preferredOrder = service.owner.mPreferredOrder; 9205 res.match = match; 9206 res.isDefault = info.hasDefault; 9207 res.labelRes = info.labelRes; 9208 res.nonLocalizedLabel = info.nonLocalizedLabel; 9209 res.icon = info.icon; 9210 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9211 return res; 9212 } 9213 9214 @Override 9215 protected void sortResults(List<ResolveInfo> results) { 9216 Collections.sort(results, mResolvePrioritySorter); 9217 } 9218 9219 @Override 9220 protected void dumpFilter(PrintWriter out, String prefix, 9221 PackageParser.ServiceIntentInfo filter) { 9222 out.print(prefix); out.print( 9223 Integer.toHexString(System.identityHashCode(filter.service))); 9224 out.print(' '); 9225 filter.service.printComponentShortName(out); 9226 out.print(" filter "); 9227 out.println(Integer.toHexString(System.identityHashCode(filter))); 9228 } 9229 9230 @Override 9231 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9232 return filter.service; 9233 } 9234 9235 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9236 PackageParser.Service service = (PackageParser.Service)label; 9237 out.print(prefix); out.print( 9238 Integer.toHexString(System.identityHashCode(service))); 9239 out.print(' '); 9240 service.printComponentShortName(out); 9241 if (count > 1) { 9242 out.print(" ("); out.print(count); out.print(" filters)"); 9243 } 9244 out.println(); 9245 } 9246 9247// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9248// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9249// final List<ResolveInfo> retList = Lists.newArrayList(); 9250// while (i.hasNext()) { 9251// final ResolveInfo resolveInfo = (ResolveInfo) i; 9252// if (isEnabledLP(resolveInfo.serviceInfo)) { 9253// retList.add(resolveInfo); 9254// } 9255// } 9256// return retList; 9257// } 9258 9259 // Keys are String (activity class name), values are Activity. 9260 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9261 = new ArrayMap<ComponentName, PackageParser.Service>(); 9262 private int mFlags; 9263 }; 9264 9265 private final class ProviderIntentResolver 9266 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9267 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9268 boolean defaultOnly, int userId) { 9269 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9270 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9271 } 9272 9273 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9274 int userId) { 9275 if (!sUserManager.exists(userId)) 9276 return null; 9277 mFlags = flags; 9278 return super.queryIntent(intent, resolvedType, 9279 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9280 } 9281 9282 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9283 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9284 if (!sUserManager.exists(userId)) 9285 return null; 9286 if (packageProviders == null) { 9287 return null; 9288 } 9289 mFlags = flags; 9290 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9291 final int N = packageProviders.size(); 9292 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9293 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9294 9295 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9296 for (int i = 0; i < N; ++i) { 9297 intentFilters = packageProviders.get(i).intents; 9298 if (intentFilters != null && intentFilters.size() > 0) { 9299 PackageParser.ProviderIntentInfo[] array = 9300 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9301 intentFilters.toArray(array); 9302 listCut.add(array); 9303 } 9304 } 9305 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9306 } 9307 9308 public final void addProvider(PackageParser.Provider p) { 9309 if (mProviders.containsKey(p.getComponentName())) { 9310 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9311 return; 9312 } 9313 9314 mProviders.put(p.getComponentName(), p); 9315 if (DEBUG_SHOW_INFO) { 9316 Log.v(TAG, " " 9317 + (p.info.nonLocalizedLabel != null 9318 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9319 Log.v(TAG, " Class=" + p.info.name); 9320 } 9321 final int NI = p.intents.size(); 9322 int j; 9323 for (j = 0; j < NI; j++) { 9324 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9325 if (DEBUG_SHOW_INFO) { 9326 Log.v(TAG, " IntentFilter:"); 9327 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9328 } 9329 if (!intent.debugCheck()) { 9330 Log.w(TAG, "==> For Provider " + p.info.name); 9331 } 9332 addFilter(intent); 9333 } 9334 } 9335 9336 public final void removeProvider(PackageParser.Provider p) { 9337 mProviders.remove(p.getComponentName()); 9338 if (DEBUG_SHOW_INFO) { 9339 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9340 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9341 Log.v(TAG, " Class=" + p.info.name); 9342 } 9343 final int NI = p.intents.size(); 9344 int j; 9345 for (j = 0; j < NI; j++) { 9346 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9347 if (DEBUG_SHOW_INFO) { 9348 Log.v(TAG, " IntentFilter:"); 9349 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9350 } 9351 removeFilter(intent); 9352 } 9353 } 9354 9355 @Override 9356 protected boolean allowFilterResult( 9357 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9358 ProviderInfo filterPi = filter.provider.info; 9359 for (int i = dest.size() - 1; i >= 0; i--) { 9360 ProviderInfo destPi = dest.get(i).providerInfo; 9361 if (destPi.name == filterPi.name 9362 && destPi.packageName == filterPi.packageName) { 9363 return false; 9364 } 9365 } 9366 return true; 9367 } 9368 9369 @Override 9370 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9371 return new PackageParser.ProviderIntentInfo[size]; 9372 } 9373 9374 @Override 9375 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9376 if (!sUserManager.exists(userId)) 9377 return true; 9378 PackageParser.Package p = filter.provider.owner; 9379 if (p != null) { 9380 PackageSetting ps = (PackageSetting) p.mExtras; 9381 if (ps != null) { 9382 // System apps are never considered stopped for purposes of 9383 // filtering, because there may be no way for the user to 9384 // actually re-launch them. 9385 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9386 && ps.getStopped(userId); 9387 } 9388 } 9389 return false; 9390 } 9391 9392 @Override 9393 protected boolean isPackageForFilter(String packageName, 9394 PackageParser.ProviderIntentInfo info) { 9395 return packageName.equals(info.provider.owner.packageName); 9396 } 9397 9398 @Override 9399 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9400 int match, int userId) { 9401 if (!sUserManager.exists(userId)) 9402 return null; 9403 final PackageParser.ProviderIntentInfo info = filter; 9404 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9405 return null; 9406 } 9407 final PackageParser.Provider provider = info.provider; 9408 if (mSafeMode && (provider.info.applicationInfo.flags 9409 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9410 return null; 9411 } 9412 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9413 if (ps == null) { 9414 return null; 9415 } 9416 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9417 ps.readUserState(userId), userId); 9418 if (pi == null) { 9419 return null; 9420 } 9421 final ResolveInfo res = new ResolveInfo(); 9422 res.providerInfo = pi; 9423 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9424 res.filter = filter; 9425 } 9426 res.priority = info.getPriority(); 9427 res.preferredOrder = provider.owner.mPreferredOrder; 9428 res.match = match; 9429 res.isDefault = info.hasDefault; 9430 res.labelRes = info.labelRes; 9431 res.nonLocalizedLabel = info.nonLocalizedLabel; 9432 res.icon = info.icon; 9433 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9434 return res; 9435 } 9436 9437 @Override 9438 protected void sortResults(List<ResolveInfo> results) { 9439 Collections.sort(results, mResolvePrioritySorter); 9440 } 9441 9442 @Override 9443 protected void dumpFilter(PrintWriter out, String prefix, 9444 PackageParser.ProviderIntentInfo filter) { 9445 out.print(prefix); 9446 out.print( 9447 Integer.toHexString(System.identityHashCode(filter.provider))); 9448 out.print(' '); 9449 filter.provider.printComponentShortName(out); 9450 out.print(" filter "); 9451 out.println(Integer.toHexString(System.identityHashCode(filter))); 9452 } 9453 9454 @Override 9455 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9456 return filter.provider; 9457 } 9458 9459 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9460 PackageParser.Provider provider = (PackageParser.Provider)label; 9461 out.print(prefix); out.print( 9462 Integer.toHexString(System.identityHashCode(provider))); 9463 out.print(' '); 9464 provider.printComponentShortName(out); 9465 if (count > 1) { 9466 out.print(" ("); out.print(count); out.print(" filters)"); 9467 } 9468 out.println(); 9469 } 9470 9471 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9472 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9473 private int mFlags; 9474 }; 9475 9476 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9477 new Comparator<ResolveInfo>() { 9478 public int compare(ResolveInfo r1, ResolveInfo r2) { 9479 int v1 = r1.priority; 9480 int v2 = r2.priority; 9481 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9482 if (v1 != v2) { 9483 return (v1 > v2) ? -1 : 1; 9484 } 9485 v1 = r1.preferredOrder; 9486 v2 = r2.preferredOrder; 9487 if (v1 != v2) { 9488 return (v1 > v2) ? -1 : 1; 9489 } 9490 if (r1.isDefault != r2.isDefault) { 9491 return r1.isDefault ? -1 : 1; 9492 } 9493 v1 = r1.match; 9494 v2 = r2.match; 9495 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9496 if (v1 != v2) { 9497 return (v1 > v2) ? -1 : 1; 9498 } 9499 if (r1.system != r2.system) { 9500 return r1.system ? -1 : 1; 9501 } 9502 return 0; 9503 } 9504 }; 9505 9506 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9507 new Comparator<ProviderInfo>() { 9508 public int compare(ProviderInfo p1, ProviderInfo p2) { 9509 final int v1 = p1.initOrder; 9510 final int v2 = p2.initOrder; 9511 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9512 } 9513 }; 9514 9515 final void sendPackageBroadcast(final String action, final String pkg, 9516 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9517 final int[] userIds) { 9518 mHandler.post(new Runnable() { 9519 @Override 9520 public void run() { 9521 try { 9522 final IActivityManager am = ActivityManagerNative.getDefault(); 9523 if (am == null) return; 9524 final int[] resolvedUserIds; 9525 if (userIds == null) { 9526 resolvedUserIds = am.getRunningUserIds(); 9527 } else { 9528 resolvedUserIds = userIds; 9529 } 9530 for (int id : resolvedUserIds) { 9531 final Intent intent = new Intent(action, 9532 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9533 if (extras != null) { 9534 intent.putExtras(extras); 9535 } 9536 if (targetPkg != null) { 9537 intent.setPackage(targetPkg); 9538 } 9539 // Modify the UID when posting to other users 9540 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9541 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9542 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9543 intent.putExtra(Intent.EXTRA_UID, uid); 9544 } 9545 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9546 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9547 if (DEBUG_BROADCASTS) { 9548 RuntimeException here = new RuntimeException("here"); 9549 here.fillInStackTrace(); 9550 Slog.d(TAG, "Sending to user " + id + ": " 9551 + intent.toShortString(false, true, false, false) 9552 + " " + intent.getExtras(), here); 9553 } 9554 am.broadcastIntent(null, intent, null, finishedReceiver, 9555 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9556 null, finishedReceiver != null, false, id); 9557 } 9558 } catch (RemoteException ex) { 9559 } 9560 } 9561 }); 9562 } 9563 9564 /** 9565 * Check if the external storage media is available. This is true if there 9566 * is a mounted external storage medium or if the external storage is 9567 * emulated. 9568 */ 9569 private boolean isExternalMediaAvailable() { 9570 return mMediaMounted || Environment.isExternalStorageEmulated(); 9571 } 9572 9573 @Override 9574 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9575 // writer 9576 synchronized (mPackages) { 9577 if (!isExternalMediaAvailable()) { 9578 // If the external storage is no longer mounted at this point, 9579 // the caller may not have been able to delete all of this 9580 // packages files and can not delete any more. Bail. 9581 return null; 9582 } 9583 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9584 if (lastPackage != null) { 9585 pkgs.remove(lastPackage); 9586 } 9587 if (pkgs.size() > 0) { 9588 return pkgs.get(0); 9589 } 9590 } 9591 return null; 9592 } 9593 9594 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9595 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9596 userId, andCode ? 1 : 0, packageName); 9597 if (mSystemReady) { 9598 msg.sendToTarget(); 9599 } else { 9600 if (mPostSystemReadyMessages == null) { 9601 mPostSystemReadyMessages = new ArrayList<>(); 9602 } 9603 mPostSystemReadyMessages.add(msg); 9604 } 9605 } 9606 9607 void startCleaningPackages() { 9608 // reader 9609 synchronized (mPackages) { 9610 if (!isExternalMediaAvailable()) { 9611 return; 9612 } 9613 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9614 return; 9615 } 9616 } 9617 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9618 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9619 IActivityManager am = ActivityManagerNative.getDefault(); 9620 if (am != null) { 9621 try { 9622 am.startService(null, intent, null, mContext.getOpPackageName(), 9623 UserHandle.USER_OWNER); 9624 } catch (RemoteException e) { 9625 } 9626 } 9627 } 9628 9629 @Override 9630 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9631 int installFlags, String installerPackageName, VerificationParams verificationParams, 9632 String packageAbiOverride) { 9633 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9634 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9635 } 9636 9637 @Override 9638 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9639 int installFlags, String installerPackageName, VerificationParams verificationParams, 9640 String packageAbiOverride, int userId) { 9641 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9642 9643 final int callingUid = Binder.getCallingUid(); 9644 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9645 9646 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9647 try { 9648 if (observer != null) { 9649 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9650 } 9651 } catch (RemoteException re) { 9652 } 9653 return; 9654 } 9655 9656 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9657 installFlags |= PackageManager.INSTALL_FROM_ADB; 9658 9659 } else { 9660 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9661 // about installerPackageName. 9662 9663 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9664 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9665 } 9666 9667 UserHandle user; 9668 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9669 user = UserHandle.ALL; 9670 } else { 9671 user = new UserHandle(userId); 9672 } 9673 9674 // Only system components can circumvent runtime permissions when installing. 9675 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9676 && mContext.checkCallingOrSelfPermission(Manifest.permission 9677 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9678 throw new SecurityException("You need the " 9679 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9680 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9681 } 9682 9683 verificationParams.setInstallerUid(callingUid); 9684 9685 final File originFile = new File(originPath); 9686 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9687 9688 final Message msg = mHandler.obtainMessage(INIT_COPY); 9689 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9690 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9691 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 9692 msg.obj = params; 9693 9694 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 9695 System.identityHashCode(msg.obj)); 9696 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9697 System.identityHashCode(msg.obj)); 9698 9699 mHandler.sendMessage(msg); 9700 } 9701 9702 void installStage(String packageName, File stagedDir, String stagedCid, 9703 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 9704 String installerPackageName, int installerUid, UserHandle user) { 9705 final VerificationParams verifParams = new VerificationParams( 9706 null, sessionParams.originatingUri, sessionParams.referrerUri, installerUid, null); 9707 verifParams.setInstallerUid(installerUid); 9708 9709 final OriginInfo origin; 9710 if (stagedDir != null) { 9711 origin = OriginInfo.fromStagedFile(stagedDir); 9712 } else { 9713 origin = OriginInfo.fromStagedContainer(stagedCid); 9714 } 9715 9716 final Message msg = mHandler.obtainMessage(INIT_COPY); 9717 final InstallParams params = new InstallParams(origin, null, observer, 9718 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 9719 verifParams, user, sessionParams.abiOverride, 9720 sessionParams.grantedRuntimePermissions); 9721 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 9722 msg.obj = params; 9723 9724 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 9725 System.identityHashCode(msg.obj)); 9726 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9727 System.identityHashCode(msg.obj)); 9728 9729 mHandler.sendMessage(msg); 9730 } 9731 9732 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9733 Bundle extras = new Bundle(1); 9734 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9735 9736 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9737 packageName, extras, null, null, new int[] {userId}); 9738 try { 9739 IActivityManager am = ActivityManagerNative.getDefault(); 9740 final boolean isSystem = 9741 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9742 if (isSystem && am.isUserRunning(userId, false)) { 9743 // The just-installed/enabled app is bundled on the system, so presumed 9744 // to be able to run automatically without needing an explicit launch. 9745 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9746 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9747 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9748 .setPackage(packageName); 9749 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9750 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9751 } 9752 } catch (RemoteException e) { 9753 // shouldn't happen 9754 Slog.w(TAG, "Unable to bootstrap installed package", e); 9755 } 9756 } 9757 9758 @Override 9759 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9760 int userId) { 9761 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9762 PackageSetting pkgSetting; 9763 final int uid = Binder.getCallingUid(); 9764 enforceCrossUserPermission(uid, userId, true, true, 9765 "setApplicationHiddenSetting for user " + userId); 9766 9767 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9768 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9769 return false; 9770 } 9771 9772 long callingId = Binder.clearCallingIdentity(); 9773 try { 9774 boolean sendAdded = false; 9775 boolean sendRemoved = false; 9776 // writer 9777 synchronized (mPackages) { 9778 pkgSetting = mSettings.mPackages.get(packageName); 9779 if (pkgSetting == null) { 9780 return false; 9781 } 9782 if (pkgSetting.getHidden(userId) != hidden) { 9783 pkgSetting.setHidden(hidden, userId); 9784 mSettings.writePackageRestrictionsLPr(userId); 9785 if (hidden) { 9786 sendRemoved = true; 9787 } else { 9788 sendAdded = true; 9789 } 9790 } 9791 } 9792 if (sendAdded) { 9793 sendPackageAddedForUser(packageName, pkgSetting, userId); 9794 return true; 9795 } 9796 if (sendRemoved) { 9797 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9798 "hiding pkg"); 9799 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9800 return true; 9801 } 9802 } finally { 9803 Binder.restoreCallingIdentity(callingId); 9804 } 9805 return false; 9806 } 9807 9808 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9809 int userId) { 9810 final PackageRemovedInfo info = new PackageRemovedInfo(); 9811 info.removedPackage = packageName; 9812 info.removedUsers = new int[] {userId}; 9813 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9814 info.sendBroadcast(false, false, false); 9815 } 9816 9817 /** 9818 * Returns true if application is not found or there was an error. Otherwise it returns 9819 * the hidden state of the package for the given user. 9820 */ 9821 @Override 9822 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9823 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9824 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9825 false, "getApplicationHidden for user " + userId); 9826 PackageSetting pkgSetting; 9827 long callingId = Binder.clearCallingIdentity(); 9828 try { 9829 // writer 9830 synchronized (mPackages) { 9831 pkgSetting = mSettings.mPackages.get(packageName); 9832 if (pkgSetting == null) { 9833 return true; 9834 } 9835 return pkgSetting.getHidden(userId); 9836 } 9837 } finally { 9838 Binder.restoreCallingIdentity(callingId); 9839 } 9840 } 9841 9842 /** 9843 * @hide 9844 */ 9845 @Override 9846 public int installExistingPackageAsUser(String packageName, int userId) { 9847 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9848 null); 9849 PackageSetting pkgSetting; 9850 final int uid = Binder.getCallingUid(); 9851 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9852 + userId); 9853 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9854 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9855 } 9856 9857 long callingId = Binder.clearCallingIdentity(); 9858 try { 9859 boolean sendAdded = false; 9860 9861 // writer 9862 synchronized (mPackages) { 9863 pkgSetting = mSettings.mPackages.get(packageName); 9864 if (pkgSetting == null) { 9865 return PackageManager.INSTALL_FAILED_INVALID_URI; 9866 } 9867 if (!pkgSetting.getInstalled(userId)) { 9868 pkgSetting.setInstalled(true, userId); 9869 pkgSetting.setHidden(false, userId); 9870 mSettings.writePackageRestrictionsLPr(userId); 9871 sendAdded = true; 9872 } 9873 } 9874 9875 if (sendAdded) { 9876 sendPackageAddedForUser(packageName, pkgSetting, userId); 9877 } 9878 } finally { 9879 Binder.restoreCallingIdentity(callingId); 9880 } 9881 9882 return PackageManager.INSTALL_SUCCEEDED; 9883 } 9884 9885 boolean isUserRestricted(int userId, String restrictionKey) { 9886 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9887 if (restrictions.getBoolean(restrictionKey, false)) { 9888 Log.w(TAG, "User is restricted: " + restrictionKey); 9889 return true; 9890 } 9891 return false; 9892 } 9893 9894 @Override 9895 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9896 mContext.enforceCallingOrSelfPermission( 9897 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9898 "Only package verification agents can verify applications"); 9899 9900 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9901 final PackageVerificationResponse response = new PackageVerificationResponse( 9902 verificationCode, Binder.getCallingUid()); 9903 msg.arg1 = id; 9904 msg.obj = response; 9905 mHandler.sendMessage(msg); 9906 } 9907 9908 @Override 9909 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9910 long millisecondsToDelay) { 9911 mContext.enforceCallingOrSelfPermission( 9912 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9913 "Only package verification agents can extend verification timeouts"); 9914 9915 final PackageVerificationState state = mPendingVerification.get(id); 9916 final PackageVerificationResponse response = new PackageVerificationResponse( 9917 verificationCodeAtTimeout, Binder.getCallingUid()); 9918 9919 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9920 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9921 } 9922 if (millisecondsToDelay < 0) { 9923 millisecondsToDelay = 0; 9924 } 9925 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9926 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9927 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9928 } 9929 9930 if ((state != null) && !state.timeoutExtended()) { 9931 state.extendTimeout(); 9932 9933 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9934 msg.arg1 = id; 9935 msg.obj = response; 9936 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9937 } 9938 } 9939 9940 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9941 int verificationCode, UserHandle user) { 9942 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9943 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9944 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9945 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9946 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9947 9948 mContext.sendBroadcastAsUser(intent, user, 9949 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9950 } 9951 9952 private ComponentName matchComponentForVerifier(String packageName, 9953 List<ResolveInfo> receivers) { 9954 ActivityInfo targetReceiver = null; 9955 9956 final int NR = receivers.size(); 9957 for (int i = 0; i < NR; i++) { 9958 final ResolveInfo info = receivers.get(i); 9959 if (info.activityInfo == null) { 9960 continue; 9961 } 9962 9963 if (packageName.equals(info.activityInfo.packageName)) { 9964 targetReceiver = info.activityInfo; 9965 break; 9966 } 9967 } 9968 9969 if (targetReceiver == null) { 9970 return null; 9971 } 9972 9973 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9974 } 9975 9976 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9977 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9978 if (pkgInfo.verifiers.length == 0) { 9979 return null; 9980 } 9981 9982 final int N = pkgInfo.verifiers.length; 9983 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9984 for (int i = 0; i < N; i++) { 9985 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9986 9987 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9988 receivers); 9989 if (comp == null) { 9990 continue; 9991 } 9992 9993 final int verifierUid = getUidForVerifier(verifierInfo); 9994 if (verifierUid == -1) { 9995 continue; 9996 } 9997 9998 if (DEBUG_VERIFY) { 9999 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10000 + " with the correct signature"); 10001 } 10002 sufficientVerifiers.add(comp); 10003 verificationState.addSufficientVerifier(verifierUid); 10004 } 10005 10006 return sufficientVerifiers; 10007 } 10008 10009 private int getUidForVerifier(VerifierInfo verifierInfo) { 10010 synchronized (mPackages) { 10011 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10012 if (pkg == null) { 10013 return -1; 10014 } else if (pkg.mSignatures.length != 1) { 10015 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10016 + " has more than one signature; ignoring"); 10017 return -1; 10018 } 10019 10020 /* 10021 * If the public key of the package's signature does not match 10022 * our expected public key, then this is a different package and 10023 * we should skip. 10024 */ 10025 10026 final byte[] expectedPublicKey; 10027 try { 10028 final Signature verifierSig = pkg.mSignatures[0]; 10029 final PublicKey publicKey = verifierSig.getPublicKey(); 10030 expectedPublicKey = publicKey.getEncoded(); 10031 } catch (CertificateException e) { 10032 return -1; 10033 } 10034 10035 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10036 10037 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10038 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10039 + " does not have the expected public key; ignoring"); 10040 return -1; 10041 } 10042 10043 return pkg.applicationInfo.uid; 10044 } 10045 } 10046 10047 @Override 10048 public void finishPackageInstall(int token) { 10049 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10050 10051 if (DEBUG_INSTALL) { 10052 Slog.v(TAG, "BM finishing package install for " + token); 10053 } 10054 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10055 10056 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10057 mHandler.sendMessage(msg); 10058 } 10059 10060 /** 10061 * Get the verification agent timeout. 10062 * 10063 * @return verification timeout in milliseconds 10064 */ 10065 private long getVerificationTimeout() { 10066 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10067 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10068 DEFAULT_VERIFICATION_TIMEOUT); 10069 } 10070 10071 /** 10072 * Get the default verification agent response code. 10073 * 10074 * @return default verification response code 10075 */ 10076 private int getDefaultVerificationResponse() { 10077 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10078 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10079 DEFAULT_VERIFICATION_RESPONSE); 10080 } 10081 10082 /** 10083 * Check whether or not package verification has been enabled. 10084 * 10085 * @return true if verification should be performed 10086 */ 10087 private boolean isVerificationEnabled(int userId, int installFlags) { 10088 if (!DEFAULT_VERIFY_ENABLE) { 10089 return false; 10090 } 10091 10092 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10093 10094 // Check if installing from ADB 10095 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10096 // Do not run verification in a test harness environment 10097 if (ActivityManager.isRunningInTestHarness()) { 10098 return false; 10099 } 10100 if (ensureVerifyAppsEnabled) { 10101 return true; 10102 } 10103 // Check if the developer does not want package verification for ADB installs 10104 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10105 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10106 return false; 10107 } 10108 } 10109 10110 if (ensureVerifyAppsEnabled) { 10111 return true; 10112 } 10113 10114 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10115 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10116 } 10117 10118 @Override 10119 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10120 throws RemoteException { 10121 mContext.enforceCallingOrSelfPermission( 10122 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10123 "Only intentfilter verification agents can verify applications"); 10124 10125 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10126 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10127 Binder.getCallingUid(), verificationCode, failedDomains); 10128 msg.arg1 = id; 10129 msg.obj = response; 10130 mHandler.sendMessage(msg); 10131 } 10132 10133 @Override 10134 public int getIntentVerificationStatus(String packageName, int userId) { 10135 synchronized (mPackages) { 10136 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10137 } 10138 } 10139 10140 @Override 10141 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10142 mContext.enforceCallingOrSelfPermission( 10143 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10144 10145 boolean result = false; 10146 synchronized (mPackages) { 10147 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10148 } 10149 if (result) { 10150 scheduleWritePackageRestrictionsLocked(userId); 10151 } 10152 return result; 10153 } 10154 10155 @Override 10156 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10157 synchronized (mPackages) { 10158 return mSettings.getIntentFilterVerificationsLPr(packageName); 10159 } 10160 } 10161 10162 @Override 10163 public List<IntentFilter> getAllIntentFilters(String packageName) { 10164 if (TextUtils.isEmpty(packageName)) { 10165 return Collections.<IntentFilter>emptyList(); 10166 } 10167 synchronized (mPackages) { 10168 PackageParser.Package pkg = mPackages.get(packageName); 10169 if (pkg == null || pkg.activities == null) { 10170 return Collections.<IntentFilter>emptyList(); 10171 } 10172 final int count = pkg.activities.size(); 10173 ArrayList<IntentFilter> result = new ArrayList<>(); 10174 for (int n=0; n<count; n++) { 10175 PackageParser.Activity activity = pkg.activities.get(n); 10176 if (activity.intents != null || activity.intents.size() > 0) { 10177 result.addAll(activity.intents); 10178 } 10179 } 10180 return result; 10181 } 10182 } 10183 10184 @Override 10185 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10186 mContext.enforceCallingOrSelfPermission( 10187 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10188 10189 synchronized (mPackages) { 10190 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10191 if (packageName != null) { 10192 result |= updateIntentVerificationStatus(packageName, 10193 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10194 userId); 10195 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10196 packageName, userId); 10197 } 10198 return result; 10199 } 10200 } 10201 10202 @Override 10203 public String getDefaultBrowserPackageName(int userId) { 10204 synchronized (mPackages) { 10205 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10206 } 10207 } 10208 10209 /** 10210 * Get the "allow unknown sources" setting. 10211 * 10212 * @return the current "allow unknown sources" setting 10213 */ 10214 private int getUnknownSourcesSettings() { 10215 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10216 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10217 -1); 10218 } 10219 10220 @Override 10221 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10222 final int uid = Binder.getCallingUid(); 10223 // writer 10224 synchronized (mPackages) { 10225 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10226 if (targetPackageSetting == null) { 10227 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10228 } 10229 10230 PackageSetting installerPackageSetting; 10231 if (installerPackageName != null) { 10232 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10233 if (installerPackageSetting == null) { 10234 throw new IllegalArgumentException("Unknown installer package: " 10235 + installerPackageName); 10236 } 10237 } else { 10238 installerPackageSetting = null; 10239 } 10240 10241 Signature[] callerSignature; 10242 Object obj = mSettings.getUserIdLPr(uid); 10243 if (obj != null) { 10244 if (obj instanceof SharedUserSetting) { 10245 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10246 } else if (obj instanceof PackageSetting) { 10247 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10248 } else { 10249 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10250 } 10251 } else { 10252 throw new SecurityException("Unknown calling uid " + uid); 10253 } 10254 10255 // Verify: can't set installerPackageName to a package that is 10256 // not signed with the same cert as the caller. 10257 if (installerPackageSetting != null) { 10258 if (compareSignatures(callerSignature, 10259 installerPackageSetting.signatures.mSignatures) 10260 != PackageManager.SIGNATURE_MATCH) { 10261 throw new SecurityException( 10262 "Caller does not have same cert as new installer package " 10263 + installerPackageName); 10264 } 10265 } 10266 10267 // Verify: if target already has an installer package, it must 10268 // be signed with the same cert as the caller. 10269 if (targetPackageSetting.installerPackageName != null) { 10270 PackageSetting setting = mSettings.mPackages.get( 10271 targetPackageSetting.installerPackageName); 10272 // If the currently set package isn't valid, then it's always 10273 // okay to change it. 10274 if (setting != null) { 10275 if (compareSignatures(callerSignature, 10276 setting.signatures.mSignatures) 10277 != PackageManager.SIGNATURE_MATCH) { 10278 throw new SecurityException( 10279 "Caller does not have same cert as old installer package " 10280 + targetPackageSetting.installerPackageName); 10281 } 10282 } 10283 } 10284 10285 // Okay! 10286 targetPackageSetting.installerPackageName = installerPackageName; 10287 scheduleWriteSettingsLocked(); 10288 } 10289 } 10290 10291 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10292 // Queue up an async operation since the package installation may take a little while. 10293 mHandler.post(new Runnable() { 10294 public void run() { 10295 mHandler.removeCallbacks(this); 10296 // Result object to be returned 10297 PackageInstalledInfo res = new PackageInstalledInfo(); 10298 res.returnCode = currentStatus; 10299 res.uid = -1; 10300 res.pkg = null; 10301 res.removedInfo = new PackageRemovedInfo(); 10302 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10303 args.doPreInstall(res.returnCode); 10304 synchronized (mInstallLock) { 10305 installPackageTracedLI(args, res); 10306 } 10307 args.doPostInstall(res.returnCode, res.uid); 10308 } 10309 10310 // A restore should be performed at this point if (a) the install 10311 // succeeded, (b) the operation is not an update, and (c) the new 10312 // package has not opted out of backup participation. 10313 final boolean update = res.removedInfo.removedPackage != null; 10314 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10315 boolean doRestore = !update 10316 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10317 10318 // Set up the post-install work request bookkeeping. This will be used 10319 // and cleaned up by the post-install event handling regardless of whether 10320 // there's a restore pass performed. Token values are >= 1. 10321 int token; 10322 if (mNextInstallToken < 0) mNextInstallToken = 1; 10323 token = mNextInstallToken++; 10324 10325 PostInstallData data = new PostInstallData(args, res); 10326 mRunningInstalls.put(token, data); 10327 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10328 10329 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10330 // Pass responsibility to the Backup Manager. It will perform a 10331 // restore if appropriate, then pass responsibility back to the 10332 // Package Manager to run the post-install observer callbacks 10333 // and broadcasts. 10334 IBackupManager bm = IBackupManager.Stub.asInterface( 10335 ServiceManager.getService(Context.BACKUP_SERVICE)); 10336 if (bm != null) { 10337 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10338 + " to BM for possible restore"); 10339 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10340 try { 10341 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10342 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10343 } else { 10344 doRestore = false; 10345 } 10346 } catch (RemoteException e) { 10347 // can't happen; the backup manager is local 10348 } catch (Exception e) { 10349 Slog.e(TAG, "Exception trying to enqueue restore", e); 10350 doRestore = false; 10351 } 10352 } else { 10353 Slog.e(TAG, "Backup Manager not found!"); 10354 doRestore = false; 10355 } 10356 } 10357 10358 if (!doRestore) { 10359 // No restore possible, or the Backup Manager was mysteriously not 10360 // available -- just fire the post-install work request directly. 10361 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10362 10363 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10364 10365 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10366 mHandler.sendMessage(msg); 10367 } 10368 } 10369 }); 10370 } 10371 10372 private abstract class HandlerParams { 10373 private static final int MAX_RETRIES = 4; 10374 10375 /** 10376 * Number of times startCopy() has been attempted and had a non-fatal 10377 * error. 10378 */ 10379 private int mRetries = 0; 10380 10381 /** User handle for the user requesting the information or installation. */ 10382 private final UserHandle mUser; 10383 String traceMethod; 10384 int traceCookie; 10385 10386 HandlerParams(UserHandle user) { 10387 mUser = user; 10388 } 10389 10390 UserHandle getUser() { 10391 return mUser; 10392 } 10393 10394 HandlerParams setTraceMethod(String traceMethod) { 10395 this.traceMethod = traceMethod; 10396 return this; 10397 } 10398 10399 HandlerParams setTraceCookie(int traceCookie) { 10400 this.traceCookie = traceCookie; 10401 return this; 10402 } 10403 10404 final boolean startCopy() { 10405 boolean res; 10406 try { 10407 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10408 10409 if (++mRetries > MAX_RETRIES) { 10410 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10411 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10412 handleServiceError(); 10413 return false; 10414 } else { 10415 handleStartCopy(); 10416 res = true; 10417 } 10418 } catch (RemoteException e) { 10419 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10420 mHandler.sendEmptyMessage(MCS_RECONNECT); 10421 res = false; 10422 } 10423 handleReturnCode(); 10424 return res; 10425 } 10426 10427 final void serviceError() { 10428 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10429 handleServiceError(); 10430 handleReturnCode(); 10431 } 10432 10433 abstract void handleStartCopy() throws RemoteException; 10434 abstract void handleServiceError(); 10435 abstract void handleReturnCode(); 10436 } 10437 10438 class MeasureParams extends HandlerParams { 10439 private final PackageStats mStats; 10440 private boolean mSuccess; 10441 10442 private final IPackageStatsObserver mObserver; 10443 10444 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10445 super(new UserHandle(stats.userHandle)); 10446 mObserver = observer; 10447 mStats = stats; 10448 } 10449 10450 @Override 10451 public String toString() { 10452 return "MeasureParams{" 10453 + Integer.toHexString(System.identityHashCode(this)) 10454 + " " + mStats.packageName + "}"; 10455 } 10456 10457 @Override 10458 void handleStartCopy() throws RemoteException { 10459 synchronized (mInstallLock) { 10460 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10461 } 10462 10463 if (mSuccess) { 10464 final boolean mounted; 10465 if (Environment.isExternalStorageEmulated()) { 10466 mounted = true; 10467 } else { 10468 final String status = Environment.getExternalStorageState(); 10469 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10470 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10471 } 10472 10473 if (mounted) { 10474 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10475 10476 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10477 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10478 10479 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10480 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10481 10482 // Always subtract cache size, since it's a subdirectory 10483 mStats.externalDataSize -= mStats.externalCacheSize; 10484 10485 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10486 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10487 10488 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10489 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10490 } 10491 } 10492 } 10493 10494 @Override 10495 void handleReturnCode() { 10496 if (mObserver != null) { 10497 try { 10498 mObserver.onGetStatsCompleted(mStats, mSuccess); 10499 } catch (RemoteException e) { 10500 Slog.i(TAG, "Observer no longer exists."); 10501 } 10502 } 10503 } 10504 10505 @Override 10506 void handleServiceError() { 10507 Slog.e(TAG, "Could not measure application " + mStats.packageName 10508 + " external storage"); 10509 } 10510 } 10511 10512 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10513 throws RemoteException { 10514 long result = 0; 10515 for (File path : paths) { 10516 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10517 } 10518 return result; 10519 } 10520 10521 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10522 for (File path : paths) { 10523 try { 10524 mcs.clearDirectory(path.getAbsolutePath()); 10525 } catch (RemoteException e) { 10526 } 10527 } 10528 } 10529 10530 static class OriginInfo { 10531 /** 10532 * Location where install is coming from, before it has been 10533 * copied/renamed into place. This could be a single monolithic APK 10534 * file, or a cluster directory. This location may be untrusted. 10535 */ 10536 final File file; 10537 final String cid; 10538 10539 /** 10540 * Flag indicating that {@link #file} or {@link #cid} has already been 10541 * staged, meaning downstream users don't need to defensively copy the 10542 * contents. 10543 */ 10544 final boolean staged; 10545 10546 /** 10547 * Flag indicating that {@link #file} or {@link #cid} is an already 10548 * installed app that is being moved. 10549 */ 10550 final boolean existing; 10551 10552 final String resolvedPath; 10553 final File resolvedFile; 10554 10555 static OriginInfo fromNothing() { 10556 return new OriginInfo(null, null, false, false); 10557 } 10558 10559 static OriginInfo fromUntrustedFile(File file) { 10560 return new OriginInfo(file, null, false, false); 10561 } 10562 10563 static OriginInfo fromExistingFile(File file) { 10564 return new OriginInfo(file, null, false, true); 10565 } 10566 10567 static OriginInfo fromStagedFile(File file) { 10568 return new OriginInfo(file, null, true, false); 10569 } 10570 10571 static OriginInfo fromStagedContainer(String cid) { 10572 return new OriginInfo(null, cid, true, false); 10573 } 10574 10575 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10576 this.file = file; 10577 this.cid = cid; 10578 this.staged = staged; 10579 this.existing = existing; 10580 10581 if (cid != null) { 10582 resolvedPath = PackageHelper.getSdDir(cid); 10583 resolvedFile = new File(resolvedPath); 10584 } else if (file != null) { 10585 resolvedPath = file.getAbsolutePath(); 10586 resolvedFile = file; 10587 } else { 10588 resolvedPath = null; 10589 resolvedFile = null; 10590 } 10591 } 10592 } 10593 10594 class MoveInfo { 10595 final int moveId; 10596 final String fromUuid; 10597 final String toUuid; 10598 final String packageName; 10599 final String dataAppName; 10600 final int appId; 10601 final String seinfo; 10602 10603 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10604 String dataAppName, int appId, String seinfo) { 10605 this.moveId = moveId; 10606 this.fromUuid = fromUuid; 10607 this.toUuid = toUuid; 10608 this.packageName = packageName; 10609 this.dataAppName = dataAppName; 10610 this.appId = appId; 10611 this.seinfo = seinfo; 10612 } 10613 } 10614 10615 class InstallParams extends HandlerParams { 10616 final OriginInfo origin; 10617 final MoveInfo move; 10618 final IPackageInstallObserver2 observer; 10619 int installFlags; 10620 final String installerPackageName; 10621 final String volumeUuid; 10622 final VerificationParams verificationParams; 10623 private InstallArgs mArgs; 10624 private int mRet; 10625 final String packageAbiOverride; 10626 final String[] grantedRuntimePermissions; 10627 10628 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10629 int installFlags, String installerPackageName, String volumeUuid, 10630 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10631 String[] grantedPermissions) { 10632 super(user); 10633 this.origin = origin; 10634 this.move = move; 10635 this.observer = observer; 10636 this.installFlags = installFlags; 10637 this.installerPackageName = installerPackageName; 10638 this.volumeUuid = volumeUuid; 10639 this.verificationParams = verificationParams; 10640 this.packageAbiOverride = packageAbiOverride; 10641 this.grantedRuntimePermissions = grantedPermissions; 10642 } 10643 10644 @Override 10645 public String toString() { 10646 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10647 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10648 } 10649 10650 public ManifestDigest getManifestDigest() { 10651 if (verificationParams == null) { 10652 return null; 10653 } 10654 return verificationParams.getManifestDigest(); 10655 } 10656 10657 private int installLocationPolicy(PackageInfoLite pkgLite) { 10658 String packageName = pkgLite.packageName; 10659 int installLocation = pkgLite.installLocation; 10660 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10661 // reader 10662 synchronized (mPackages) { 10663 PackageParser.Package pkg = mPackages.get(packageName); 10664 if (pkg != null) { 10665 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10666 // Check for downgrading. 10667 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10668 try { 10669 checkDowngrade(pkg, pkgLite); 10670 } catch (PackageManagerException e) { 10671 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10672 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10673 } 10674 } 10675 // Check for updated system application. 10676 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10677 if (onSd) { 10678 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10679 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10680 } 10681 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10682 } else { 10683 if (onSd) { 10684 // Install flag overrides everything. 10685 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10686 } 10687 // If current upgrade specifies particular preference 10688 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10689 // Application explicitly specified internal. 10690 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10691 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10692 // App explictly prefers external. Let policy decide 10693 } else { 10694 // Prefer previous location 10695 if (isExternal(pkg)) { 10696 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10697 } 10698 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10699 } 10700 } 10701 } else { 10702 // Invalid install. Return error code 10703 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10704 } 10705 } 10706 } 10707 // All the special cases have been taken care of. 10708 // Return result based on recommended install location. 10709 if (onSd) { 10710 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10711 } 10712 return pkgLite.recommendedInstallLocation; 10713 } 10714 10715 /* 10716 * Invoke remote method to get package information and install 10717 * location values. Override install location based on default 10718 * policy if needed and then create install arguments based 10719 * on the install location. 10720 */ 10721 public void handleStartCopy() throws RemoteException { 10722 int ret = PackageManager.INSTALL_SUCCEEDED; 10723 10724 // If we're already staged, we've firmly committed to an install location 10725 if (origin.staged) { 10726 if (origin.file != null) { 10727 installFlags |= PackageManager.INSTALL_INTERNAL; 10728 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10729 } else if (origin.cid != null) { 10730 installFlags |= PackageManager.INSTALL_EXTERNAL; 10731 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10732 } else { 10733 throw new IllegalStateException("Invalid stage location"); 10734 } 10735 } 10736 10737 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10738 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10739 PackageInfoLite pkgLite = null; 10740 10741 if (onInt && onSd) { 10742 // Check if both bits are set. 10743 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10744 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10745 } else { 10746 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10747 packageAbiOverride); 10748 10749 /* 10750 * If we have too little free space, try to free cache 10751 * before giving up. 10752 */ 10753 if (!origin.staged && pkgLite.recommendedInstallLocation 10754 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10755 // TODO: focus freeing disk space on the target device 10756 final StorageManager storage = StorageManager.from(mContext); 10757 final long lowThreshold = storage.getStorageLowBytes( 10758 Environment.getDataDirectory()); 10759 10760 final long sizeBytes = mContainerService.calculateInstalledSize( 10761 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10762 10763 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10764 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10765 installFlags, packageAbiOverride); 10766 } 10767 10768 /* 10769 * The cache free must have deleted the file we 10770 * downloaded to install. 10771 * 10772 * TODO: fix the "freeCache" call to not delete 10773 * the file we care about. 10774 */ 10775 if (pkgLite.recommendedInstallLocation 10776 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10777 pkgLite.recommendedInstallLocation 10778 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10779 } 10780 } 10781 } 10782 10783 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10784 int loc = pkgLite.recommendedInstallLocation; 10785 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10786 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10787 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10788 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10789 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10790 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10791 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10792 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10793 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10794 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10795 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10796 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10797 } else { 10798 // Override with defaults if needed. 10799 loc = installLocationPolicy(pkgLite); 10800 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10801 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10802 } else if (!onSd && !onInt) { 10803 // Override install location with flags 10804 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10805 // Set the flag to install on external media. 10806 installFlags |= PackageManager.INSTALL_EXTERNAL; 10807 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10808 } else { 10809 // Make sure the flag for installing on external 10810 // media is unset 10811 installFlags |= PackageManager.INSTALL_INTERNAL; 10812 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10813 } 10814 } 10815 } 10816 } 10817 10818 final InstallArgs args = createInstallArgs(this); 10819 mArgs = args; 10820 10821 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10822 /* 10823 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10824 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10825 */ 10826 int userIdentifier = getUser().getIdentifier(); 10827 if (userIdentifier == UserHandle.USER_ALL 10828 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10829 userIdentifier = UserHandle.USER_OWNER; 10830 } 10831 10832 /* 10833 * Determine if we have any installed package verifiers. If we 10834 * do, then we'll defer to them to verify the packages. 10835 */ 10836 final int requiredUid = mRequiredVerifierPackage == null ? -1 10837 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10838 if (!origin.existing && requiredUid != -1 10839 && isVerificationEnabled(userIdentifier, installFlags)) { 10840 final Intent verification = new Intent( 10841 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10842 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10843 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10844 PACKAGE_MIME_TYPE); 10845 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10846 10847 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10848 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10849 0 /* TODO: Which userId? */); 10850 10851 if (DEBUG_VERIFY) { 10852 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10853 + verification.toString() + " with " + pkgLite.verifiers.length 10854 + " optional verifiers"); 10855 } 10856 10857 final int verificationId = mPendingVerificationToken++; 10858 10859 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10860 10861 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10862 installerPackageName); 10863 10864 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10865 installFlags); 10866 10867 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10868 pkgLite.packageName); 10869 10870 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10871 pkgLite.versionCode); 10872 10873 if (verificationParams != null) { 10874 if (verificationParams.getVerificationURI() != null) { 10875 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10876 verificationParams.getVerificationURI()); 10877 } 10878 if (verificationParams.getOriginatingURI() != null) { 10879 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10880 verificationParams.getOriginatingURI()); 10881 } 10882 if (verificationParams.getReferrer() != null) { 10883 verification.putExtra(Intent.EXTRA_REFERRER, 10884 verificationParams.getReferrer()); 10885 } 10886 if (verificationParams.getOriginatingUid() >= 0) { 10887 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10888 verificationParams.getOriginatingUid()); 10889 } 10890 if (verificationParams.getInstallerUid() >= 0) { 10891 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10892 verificationParams.getInstallerUid()); 10893 } 10894 } 10895 10896 final PackageVerificationState verificationState = new PackageVerificationState( 10897 requiredUid, args); 10898 10899 mPendingVerification.append(verificationId, verificationState); 10900 10901 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10902 receivers, verificationState); 10903 10904 // Apps installed for "all" users use the device owner to verify the app 10905 UserHandle verifierUser = getUser(); 10906 if (verifierUser == UserHandle.ALL) { 10907 verifierUser = UserHandle.OWNER; 10908 } 10909 10910 /* 10911 * If any sufficient verifiers were listed in the package 10912 * manifest, attempt to ask them. 10913 */ 10914 if (sufficientVerifiers != null) { 10915 final int N = sufficientVerifiers.size(); 10916 if (N == 0) { 10917 Slog.i(TAG, "Additional verifiers required, but none installed."); 10918 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10919 } else { 10920 for (int i = 0; i < N; i++) { 10921 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10922 10923 final Intent sufficientIntent = new Intent(verification); 10924 sufficientIntent.setComponent(verifierComponent); 10925 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10926 } 10927 } 10928 } 10929 10930 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10931 mRequiredVerifierPackage, receivers); 10932 if (ret == PackageManager.INSTALL_SUCCEEDED 10933 && mRequiredVerifierPackage != null) { 10934 Trace.asyncTraceBegin( 10935 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 10936 /* 10937 * Send the intent to the required verification agent, 10938 * but only start the verification timeout after the 10939 * target BroadcastReceivers have run. 10940 */ 10941 verification.setComponent(requiredVerifierComponent); 10942 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10943 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10944 new BroadcastReceiver() { 10945 @Override 10946 public void onReceive(Context context, Intent intent) { 10947 final Message msg = mHandler 10948 .obtainMessage(CHECK_PENDING_VERIFICATION); 10949 msg.arg1 = verificationId; 10950 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10951 } 10952 }, null, 0, null, null); 10953 10954 /* 10955 * We don't want the copy to proceed until verification 10956 * succeeds, so null out this field. 10957 */ 10958 mArgs = null; 10959 } 10960 } else { 10961 /* 10962 * No package verification is enabled, so immediately start 10963 * the remote call to initiate copy using temporary file. 10964 */ 10965 ret = args.copyApk(mContainerService, true); 10966 } 10967 } 10968 10969 mRet = ret; 10970 } 10971 10972 @Override 10973 void handleReturnCode() { 10974 // If mArgs is null, then MCS couldn't be reached. When it 10975 // reconnects, it will try again to install. At that point, this 10976 // will succeed. 10977 if (mArgs != null) { 10978 processPendingInstall(mArgs, mRet); 10979 } 10980 } 10981 10982 @Override 10983 void handleServiceError() { 10984 mArgs = createInstallArgs(this); 10985 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10986 } 10987 10988 public boolean isForwardLocked() { 10989 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10990 } 10991 } 10992 10993 /** 10994 * Used during creation of InstallArgs 10995 * 10996 * @param installFlags package installation flags 10997 * @return true if should be installed on external storage 10998 */ 10999 private static boolean installOnExternalAsec(int installFlags) { 11000 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11001 return false; 11002 } 11003 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11004 return true; 11005 } 11006 return false; 11007 } 11008 11009 /** 11010 * Used during creation of InstallArgs 11011 * 11012 * @param installFlags package installation flags 11013 * @return true if should be installed as forward locked 11014 */ 11015 private static boolean installForwardLocked(int installFlags) { 11016 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11017 } 11018 11019 private InstallArgs createInstallArgs(InstallParams params) { 11020 if (params.move != null) { 11021 return new MoveInstallArgs(params); 11022 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11023 return new AsecInstallArgs(params); 11024 } else { 11025 return new FileInstallArgs(params); 11026 } 11027 } 11028 11029 /** 11030 * Create args that describe an existing installed package. Typically used 11031 * when cleaning up old installs, or used as a move source. 11032 */ 11033 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11034 String resourcePath, String[] instructionSets) { 11035 final boolean isInAsec; 11036 if (installOnExternalAsec(installFlags)) { 11037 /* Apps on SD card are always in ASEC containers. */ 11038 isInAsec = true; 11039 } else if (installForwardLocked(installFlags) 11040 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11041 /* 11042 * Forward-locked apps are only in ASEC containers if they're the 11043 * new style 11044 */ 11045 isInAsec = true; 11046 } else { 11047 isInAsec = false; 11048 } 11049 11050 if (isInAsec) { 11051 return new AsecInstallArgs(codePath, instructionSets, 11052 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11053 } else { 11054 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11055 } 11056 } 11057 11058 static abstract class InstallArgs { 11059 /** @see InstallParams#origin */ 11060 final OriginInfo origin; 11061 /** @see InstallParams#move */ 11062 final MoveInfo move; 11063 11064 final IPackageInstallObserver2 observer; 11065 // Always refers to PackageManager flags only 11066 final int installFlags; 11067 final String installerPackageName; 11068 final String volumeUuid; 11069 final ManifestDigest manifestDigest; 11070 final UserHandle user; 11071 final String abiOverride; 11072 final String[] installGrantPermissions; 11073 /** If non-null, drop an async trace when the install completes */ 11074 final String traceMethod; 11075 final int traceCookie; 11076 11077 // The list of instruction sets supported by this app. This is currently 11078 // only used during the rmdex() phase to clean up resources. We can get rid of this 11079 // if we move dex files under the common app path. 11080 /* nullable */ String[] instructionSets; 11081 11082 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11083 int installFlags, String installerPackageName, String volumeUuid, 11084 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 11085 String abiOverride, String[] installGrantPermissions, 11086 String traceMethod, int traceCookie) { 11087 this.origin = origin; 11088 this.move = move; 11089 this.installFlags = installFlags; 11090 this.observer = observer; 11091 this.installerPackageName = installerPackageName; 11092 this.volumeUuid = volumeUuid; 11093 this.manifestDigest = manifestDigest; 11094 this.user = user; 11095 this.instructionSets = instructionSets; 11096 this.abiOverride = abiOverride; 11097 this.installGrantPermissions = installGrantPermissions; 11098 this.traceMethod = traceMethod; 11099 this.traceCookie = traceCookie; 11100 } 11101 11102 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11103 abstract int doPreInstall(int status); 11104 11105 /** 11106 * Rename package into final resting place. All paths on the given 11107 * scanned package should be updated to reflect the rename. 11108 */ 11109 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11110 abstract int doPostInstall(int status, int uid); 11111 11112 /** @see PackageSettingBase#codePathString */ 11113 abstract String getCodePath(); 11114 /** @see PackageSettingBase#resourcePathString */ 11115 abstract String getResourcePath(); 11116 11117 // Need installer lock especially for dex file removal. 11118 abstract void cleanUpResourcesLI(); 11119 abstract boolean doPostDeleteLI(boolean delete); 11120 11121 /** 11122 * Called before the source arguments are copied. This is used mostly 11123 * for MoveParams when it needs to read the source file to put it in the 11124 * destination. 11125 */ 11126 int doPreCopy() { 11127 return PackageManager.INSTALL_SUCCEEDED; 11128 } 11129 11130 /** 11131 * Called after the source arguments are copied. This is used mostly for 11132 * MoveParams when it needs to read the source file to put it in the 11133 * destination. 11134 * 11135 * @return 11136 */ 11137 int doPostCopy(int uid) { 11138 return PackageManager.INSTALL_SUCCEEDED; 11139 } 11140 11141 protected boolean isFwdLocked() { 11142 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11143 } 11144 11145 protected boolean isExternalAsec() { 11146 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11147 } 11148 11149 UserHandle getUser() { 11150 return user; 11151 } 11152 } 11153 11154 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11155 if (!allCodePaths.isEmpty()) { 11156 if (instructionSets == null) { 11157 throw new IllegalStateException("instructionSet == null"); 11158 } 11159 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11160 for (String codePath : allCodePaths) { 11161 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11162 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11163 if (retCode < 0) { 11164 Slog.w(TAG, "Couldn't remove dex file for package: " 11165 + " at location " + codePath + ", retcode=" + retCode); 11166 // we don't consider this to be a failure of the core package deletion 11167 } 11168 } 11169 } 11170 } 11171 } 11172 11173 /** 11174 * Logic to handle installation of non-ASEC applications, including copying 11175 * and renaming logic. 11176 */ 11177 class FileInstallArgs extends InstallArgs { 11178 private File codeFile; 11179 private File resourceFile; 11180 11181 // Example topology: 11182 // /data/app/com.example/base.apk 11183 // /data/app/com.example/split_foo.apk 11184 // /data/app/com.example/lib/arm/libfoo.so 11185 // /data/app/com.example/lib/arm64/libfoo.so 11186 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11187 11188 /** New install */ 11189 FileInstallArgs(InstallParams params) { 11190 super(params.origin, params.move, params.observer, params.installFlags, 11191 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11192 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11193 params.grantedRuntimePermissions, 11194 params.traceMethod, params.traceCookie); 11195 if (isFwdLocked()) { 11196 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11197 } 11198 } 11199 11200 /** Existing install */ 11201 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11202 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11203 null, null, null, 0); 11204 this.codeFile = (codePath != null) ? new File(codePath) : null; 11205 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11206 } 11207 11208 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11209 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11210 try { 11211 return doCopyApk(imcs, temp); 11212 } finally { 11213 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11214 } 11215 } 11216 11217 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11218 if (origin.staged) { 11219 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11220 codeFile = origin.file; 11221 resourceFile = origin.file; 11222 return PackageManager.INSTALL_SUCCEEDED; 11223 } 11224 11225 try { 11226 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11227 codeFile = tempDir; 11228 resourceFile = tempDir; 11229 } catch (IOException e) { 11230 Slog.w(TAG, "Failed to create copy file: " + e); 11231 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11232 } 11233 11234 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11235 @Override 11236 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11237 if (!FileUtils.isValidExtFilename(name)) { 11238 throw new IllegalArgumentException("Invalid filename: " + name); 11239 } 11240 try { 11241 final File file = new File(codeFile, name); 11242 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11243 O_RDWR | O_CREAT, 0644); 11244 Os.chmod(file.getAbsolutePath(), 0644); 11245 return new ParcelFileDescriptor(fd); 11246 } catch (ErrnoException e) { 11247 throw new RemoteException("Failed to open: " + e.getMessage()); 11248 } 11249 } 11250 }; 11251 11252 int ret = PackageManager.INSTALL_SUCCEEDED; 11253 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11254 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11255 Slog.e(TAG, "Failed to copy package"); 11256 return ret; 11257 } 11258 11259 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11260 NativeLibraryHelper.Handle handle = null; 11261 try { 11262 handle = NativeLibraryHelper.Handle.create(codeFile); 11263 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11264 abiOverride); 11265 } catch (IOException e) { 11266 Slog.e(TAG, "Copying native libraries failed", e); 11267 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11268 } finally { 11269 IoUtils.closeQuietly(handle); 11270 } 11271 11272 return ret; 11273 } 11274 11275 int doPreInstall(int status) { 11276 if (status != PackageManager.INSTALL_SUCCEEDED) { 11277 cleanUp(); 11278 } 11279 return status; 11280 } 11281 11282 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11283 if (status != PackageManager.INSTALL_SUCCEEDED) { 11284 cleanUp(); 11285 return false; 11286 } 11287 11288 final File targetDir = codeFile.getParentFile(); 11289 final File beforeCodeFile = codeFile; 11290 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11291 11292 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11293 try { 11294 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11295 } catch (ErrnoException e) { 11296 Slog.w(TAG, "Failed to rename", e); 11297 return false; 11298 } 11299 11300 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11301 Slog.w(TAG, "Failed to restorecon"); 11302 return false; 11303 } 11304 11305 // Reflect the rename internally 11306 codeFile = afterCodeFile; 11307 resourceFile = afterCodeFile; 11308 11309 // Reflect the rename in scanned details 11310 pkg.codePath = afterCodeFile.getAbsolutePath(); 11311 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11312 pkg.baseCodePath); 11313 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11314 pkg.splitCodePaths); 11315 11316 // Reflect the rename in app info 11317 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11318 pkg.applicationInfo.setCodePath(pkg.codePath); 11319 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11320 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11321 pkg.applicationInfo.setResourcePath(pkg.codePath); 11322 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11323 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11324 11325 return true; 11326 } 11327 11328 int doPostInstall(int status, int uid) { 11329 if (status != PackageManager.INSTALL_SUCCEEDED) { 11330 cleanUp(); 11331 } 11332 return status; 11333 } 11334 11335 @Override 11336 String getCodePath() { 11337 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11338 } 11339 11340 @Override 11341 String getResourcePath() { 11342 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11343 } 11344 11345 private boolean cleanUp() { 11346 if (codeFile == null || !codeFile.exists()) { 11347 return false; 11348 } 11349 11350 if (codeFile.isDirectory()) { 11351 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11352 } else { 11353 codeFile.delete(); 11354 } 11355 11356 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11357 resourceFile.delete(); 11358 } 11359 11360 return true; 11361 } 11362 11363 void cleanUpResourcesLI() { 11364 // Try enumerating all code paths before deleting 11365 List<String> allCodePaths = Collections.EMPTY_LIST; 11366 if (codeFile != null && codeFile.exists()) { 11367 try { 11368 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11369 allCodePaths = pkg.getAllCodePaths(); 11370 } catch (PackageParserException e) { 11371 // Ignored; we tried our best 11372 } 11373 } 11374 11375 cleanUp(); 11376 removeDexFiles(allCodePaths, instructionSets); 11377 } 11378 11379 boolean doPostDeleteLI(boolean delete) { 11380 // XXX err, shouldn't we respect the delete flag? 11381 cleanUpResourcesLI(); 11382 return true; 11383 } 11384 } 11385 11386 private boolean isAsecExternal(String cid) { 11387 final String asecPath = PackageHelper.getSdFilesystem(cid); 11388 return !asecPath.startsWith(mAsecInternalPath); 11389 } 11390 11391 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11392 PackageManagerException { 11393 if (copyRet < 0) { 11394 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11395 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11396 throw new PackageManagerException(copyRet, message); 11397 } 11398 } 11399 } 11400 11401 /** 11402 * Extract the MountService "container ID" from the full code path of an 11403 * .apk. 11404 */ 11405 static String cidFromCodePath(String fullCodePath) { 11406 int eidx = fullCodePath.lastIndexOf("/"); 11407 String subStr1 = fullCodePath.substring(0, eidx); 11408 int sidx = subStr1.lastIndexOf("/"); 11409 return subStr1.substring(sidx+1, eidx); 11410 } 11411 11412 /** 11413 * Logic to handle installation of ASEC applications, including copying and 11414 * renaming logic. 11415 */ 11416 class AsecInstallArgs extends InstallArgs { 11417 static final String RES_FILE_NAME = "pkg.apk"; 11418 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11419 11420 String cid; 11421 String packagePath; 11422 String resourcePath; 11423 11424 /** New install */ 11425 AsecInstallArgs(InstallParams params) { 11426 super(params.origin, params.move, params.observer, params.installFlags, 11427 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11428 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11429 params.grantedRuntimePermissions, 11430 params.traceMethod, params.traceCookie); 11431 } 11432 11433 /** Existing install */ 11434 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11435 boolean isExternal, boolean isForwardLocked) { 11436 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11437 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11438 instructionSets, null, null, null, 0); 11439 // Hackily pretend we're still looking at a full code path 11440 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11441 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11442 } 11443 11444 // Extract cid from fullCodePath 11445 int eidx = fullCodePath.lastIndexOf("/"); 11446 String subStr1 = fullCodePath.substring(0, eidx); 11447 int sidx = subStr1.lastIndexOf("/"); 11448 cid = subStr1.substring(sidx+1, eidx); 11449 setMountPath(subStr1); 11450 } 11451 11452 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11453 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11454 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11455 instructionSets, null, null, null, 0); 11456 this.cid = cid; 11457 setMountPath(PackageHelper.getSdDir(cid)); 11458 } 11459 11460 void createCopyFile() { 11461 cid = mInstallerService.allocateExternalStageCidLegacy(); 11462 } 11463 11464 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11465 if (origin.staged) { 11466 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11467 cid = origin.cid; 11468 setMountPath(PackageHelper.getSdDir(cid)); 11469 return PackageManager.INSTALL_SUCCEEDED; 11470 } 11471 11472 if (temp) { 11473 createCopyFile(); 11474 } else { 11475 /* 11476 * Pre-emptively destroy the container since it's destroyed if 11477 * copying fails due to it existing anyway. 11478 */ 11479 PackageHelper.destroySdDir(cid); 11480 } 11481 11482 final String newMountPath = imcs.copyPackageToContainer( 11483 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11484 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11485 11486 if (newMountPath != null) { 11487 setMountPath(newMountPath); 11488 return PackageManager.INSTALL_SUCCEEDED; 11489 } else { 11490 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11491 } 11492 } 11493 11494 @Override 11495 String getCodePath() { 11496 return packagePath; 11497 } 11498 11499 @Override 11500 String getResourcePath() { 11501 return resourcePath; 11502 } 11503 11504 int doPreInstall(int status) { 11505 if (status != PackageManager.INSTALL_SUCCEEDED) { 11506 // Destroy container 11507 PackageHelper.destroySdDir(cid); 11508 } else { 11509 boolean mounted = PackageHelper.isContainerMounted(cid); 11510 if (!mounted) { 11511 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11512 Process.SYSTEM_UID); 11513 if (newMountPath != null) { 11514 setMountPath(newMountPath); 11515 } else { 11516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11517 } 11518 } 11519 } 11520 return status; 11521 } 11522 11523 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11524 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11525 String newMountPath = null; 11526 if (PackageHelper.isContainerMounted(cid)) { 11527 // Unmount the container 11528 if (!PackageHelper.unMountSdDir(cid)) { 11529 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11530 return false; 11531 } 11532 } 11533 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11534 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11535 " which might be stale. Will try to clean up."); 11536 // Clean up the stale container and proceed to recreate. 11537 if (!PackageHelper.destroySdDir(newCacheId)) { 11538 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11539 return false; 11540 } 11541 // Successfully cleaned up stale container. Try to rename again. 11542 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11543 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11544 + " inspite of cleaning it up."); 11545 return false; 11546 } 11547 } 11548 if (!PackageHelper.isContainerMounted(newCacheId)) { 11549 Slog.w(TAG, "Mounting container " + newCacheId); 11550 newMountPath = PackageHelper.mountSdDir(newCacheId, 11551 getEncryptKey(), Process.SYSTEM_UID); 11552 } else { 11553 newMountPath = PackageHelper.getSdDir(newCacheId); 11554 } 11555 if (newMountPath == null) { 11556 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11557 return false; 11558 } 11559 Log.i(TAG, "Succesfully renamed " + cid + 11560 " to " + newCacheId + 11561 " at new path: " + newMountPath); 11562 cid = newCacheId; 11563 11564 final File beforeCodeFile = new File(packagePath); 11565 setMountPath(newMountPath); 11566 final File afterCodeFile = new File(packagePath); 11567 11568 // Reflect the rename in scanned details 11569 pkg.codePath = afterCodeFile.getAbsolutePath(); 11570 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11571 pkg.baseCodePath); 11572 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11573 pkg.splitCodePaths); 11574 11575 // Reflect the rename in app info 11576 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11577 pkg.applicationInfo.setCodePath(pkg.codePath); 11578 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11579 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11580 pkg.applicationInfo.setResourcePath(pkg.codePath); 11581 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11582 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11583 11584 return true; 11585 } 11586 11587 private void setMountPath(String mountPath) { 11588 final File mountFile = new File(mountPath); 11589 11590 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11591 if (monolithicFile.exists()) { 11592 packagePath = monolithicFile.getAbsolutePath(); 11593 if (isFwdLocked()) { 11594 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11595 } else { 11596 resourcePath = packagePath; 11597 } 11598 } else { 11599 packagePath = mountFile.getAbsolutePath(); 11600 resourcePath = packagePath; 11601 } 11602 } 11603 11604 int doPostInstall(int status, int uid) { 11605 if (status != PackageManager.INSTALL_SUCCEEDED) { 11606 cleanUp(); 11607 } else { 11608 final int groupOwner; 11609 final String protectedFile; 11610 if (isFwdLocked()) { 11611 groupOwner = UserHandle.getSharedAppGid(uid); 11612 protectedFile = RES_FILE_NAME; 11613 } else { 11614 groupOwner = -1; 11615 protectedFile = null; 11616 } 11617 11618 if (uid < Process.FIRST_APPLICATION_UID 11619 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11620 Slog.e(TAG, "Failed to finalize " + cid); 11621 PackageHelper.destroySdDir(cid); 11622 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11623 } 11624 11625 boolean mounted = PackageHelper.isContainerMounted(cid); 11626 if (!mounted) { 11627 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11628 } 11629 } 11630 return status; 11631 } 11632 11633 private void cleanUp() { 11634 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11635 11636 // Destroy secure container 11637 PackageHelper.destroySdDir(cid); 11638 } 11639 11640 private List<String> getAllCodePaths() { 11641 final File codeFile = new File(getCodePath()); 11642 if (codeFile != null && codeFile.exists()) { 11643 try { 11644 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11645 return pkg.getAllCodePaths(); 11646 } catch (PackageParserException e) { 11647 // Ignored; we tried our best 11648 } 11649 } 11650 return Collections.EMPTY_LIST; 11651 } 11652 11653 void cleanUpResourcesLI() { 11654 // Enumerate all code paths before deleting 11655 cleanUpResourcesLI(getAllCodePaths()); 11656 } 11657 11658 private void cleanUpResourcesLI(List<String> allCodePaths) { 11659 cleanUp(); 11660 removeDexFiles(allCodePaths, instructionSets); 11661 } 11662 11663 String getPackageName() { 11664 return getAsecPackageName(cid); 11665 } 11666 11667 boolean doPostDeleteLI(boolean delete) { 11668 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11669 final List<String> allCodePaths = getAllCodePaths(); 11670 boolean mounted = PackageHelper.isContainerMounted(cid); 11671 if (mounted) { 11672 // Unmount first 11673 if (PackageHelper.unMountSdDir(cid)) { 11674 mounted = false; 11675 } 11676 } 11677 if (!mounted && delete) { 11678 cleanUpResourcesLI(allCodePaths); 11679 } 11680 return !mounted; 11681 } 11682 11683 @Override 11684 int doPreCopy() { 11685 if (isFwdLocked()) { 11686 if (!PackageHelper.fixSdPermissions(cid, 11687 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11688 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11689 } 11690 } 11691 11692 return PackageManager.INSTALL_SUCCEEDED; 11693 } 11694 11695 @Override 11696 int doPostCopy(int uid) { 11697 if (isFwdLocked()) { 11698 if (uid < Process.FIRST_APPLICATION_UID 11699 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11700 RES_FILE_NAME)) { 11701 Slog.e(TAG, "Failed to finalize " + cid); 11702 PackageHelper.destroySdDir(cid); 11703 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11704 } 11705 } 11706 11707 return PackageManager.INSTALL_SUCCEEDED; 11708 } 11709 } 11710 11711 /** 11712 * Logic to handle movement of existing installed applications. 11713 */ 11714 class MoveInstallArgs extends InstallArgs { 11715 private File codeFile; 11716 private File resourceFile; 11717 11718 /** New install */ 11719 MoveInstallArgs(InstallParams params) { 11720 super(params.origin, params.move, params.observer, params.installFlags, 11721 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11722 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11723 params.grantedRuntimePermissions, 11724 params.traceMethod, params.traceCookie); 11725 } 11726 11727 int copyApk(IMediaContainerService imcs, boolean temp) { 11728 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11729 + move.fromUuid + " to " + move.toUuid); 11730 synchronized (mInstaller) { 11731 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11732 move.dataAppName, move.appId, move.seinfo) != 0) { 11733 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11734 } 11735 } 11736 11737 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11738 resourceFile = codeFile; 11739 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11740 11741 return PackageManager.INSTALL_SUCCEEDED; 11742 } 11743 11744 int doPreInstall(int status) { 11745 if (status != PackageManager.INSTALL_SUCCEEDED) { 11746 cleanUp(move.toUuid); 11747 } 11748 return status; 11749 } 11750 11751 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11752 if (status != PackageManager.INSTALL_SUCCEEDED) { 11753 cleanUp(move.toUuid); 11754 return false; 11755 } 11756 11757 // Reflect the move in app info 11758 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11759 pkg.applicationInfo.setCodePath(pkg.codePath); 11760 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11761 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11762 pkg.applicationInfo.setResourcePath(pkg.codePath); 11763 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11764 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11765 11766 return true; 11767 } 11768 11769 int doPostInstall(int status, int uid) { 11770 if (status == PackageManager.INSTALL_SUCCEEDED) { 11771 cleanUp(move.fromUuid); 11772 } else { 11773 cleanUp(move.toUuid); 11774 } 11775 return status; 11776 } 11777 11778 @Override 11779 String getCodePath() { 11780 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11781 } 11782 11783 @Override 11784 String getResourcePath() { 11785 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11786 } 11787 11788 private boolean cleanUp(String volumeUuid) { 11789 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11790 move.dataAppName); 11791 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11792 synchronized (mInstallLock) { 11793 // Clean up both app data and code 11794 removeDataDirsLI(volumeUuid, move.packageName); 11795 if (codeFile.isDirectory()) { 11796 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11797 } else { 11798 codeFile.delete(); 11799 } 11800 } 11801 return true; 11802 } 11803 11804 void cleanUpResourcesLI() { 11805 throw new UnsupportedOperationException(); 11806 } 11807 11808 boolean doPostDeleteLI(boolean delete) { 11809 throw new UnsupportedOperationException(); 11810 } 11811 } 11812 11813 static String getAsecPackageName(String packageCid) { 11814 int idx = packageCid.lastIndexOf("-"); 11815 if (idx == -1) { 11816 return packageCid; 11817 } 11818 return packageCid.substring(0, idx); 11819 } 11820 11821 // Utility method used to create code paths based on package name and available index. 11822 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11823 String idxStr = ""; 11824 int idx = 1; 11825 // Fall back to default value of idx=1 if prefix is not 11826 // part of oldCodePath 11827 if (oldCodePath != null) { 11828 String subStr = oldCodePath; 11829 // Drop the suffix right away 11830 if (suffix != null && subStr.endsWith(suffix)) { 11831 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11832 } 11833 // If oldCodePath already contains prefix find out the 11834 // ending index to either increment or decrement. 11835 int sidx = subStr.lastIndexOf(prefix); 11836 if (sidx != -1) { 11837 subStr = subStr.substring(sidx + prefix.length()); 11838 if (subStr != null) { 11839 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11840 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11841 } 11842 try { 11843 idx = Integer.parseInt(subStr); 11844 if (idx <= 1) { 11845 idx++; 11846 } else { 11847 idx--; 11848 } 11849 } catch(NumberFormatException e) { 11850 } 11851 } 11852 } 11853 } 11854 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11855 return prefix + idxStr; 11856 } 11857 11858 private File getNextCodePath(File targetDir, String packageName) { 11859 int suffix = 1; 11860 File result; 11861 do { 11862 result = new File(targetDir, packageName + "-" + suffix); 11863 suffix++; 11864 } while (result.exists()); 11865 return result; 11866 } 11867 11868 // Utility method that returns the relative package path with respect 11869 // to the installation directory. Like say for /data/data/com.test-1.apk 11870 // string com.test-1 is returned. 11871 static String deriveCodePathName(String codePath) { 11872 if (codePath == null) { 11873 return null; 11874 } 11875 final File codeFile = new File(codePath); 11876 final String name = codeFile.getName(); 11877 if (codeFile.isDirectory()) { 11878 return name; 11879 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11880 final int lastDot = name.lastIndexOf('.'); 11881 return name.substring(0, lastDot); 11882 } else { 11883 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11884 return null; 11885 } 11886 } 11887 11888 class PackageInstalledInfo { 11889 String name; 11890 int uid; 11891 // The set of users that originally had this package installed. 11892 int[] origUsers; 11893 // The set of users that now have this package installed. 11894 int[] newUsers; 11895 PackageParser.Package pkg; 11896 int returnCode; 11897 String returnMsg; 11898 PackageRemovedInfo removedInfo; 11899 11900 public void setError(int code, String msg) { 11901 returnCode = code; 11902 returnMsg = msg; 11903 Slog.w(TAG, msg); 11904 } 11905 11906 public void setError(String msg, PackageParserException e) { 11907 returnCode = e.error; 11908 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11909 Slog.w(TAG, msg, e); 11910 } 11911 11912 public void setError(String msg, PackageManagerException e) { 11913 returnCode = e.error; 11914 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11915 Slog.w(TAG, msg, e); 11916 } 11917 11918 // In some error cases we want to convey more info back to the observer 11919 String origPackage; 11920 String origPermission; 11921 } 11922 11923 /* 11924 * Install a non-existing package. 11925 */ 11926 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11927 UserHandle user, String installerPackageName, String volumeUuid, 11928 PackageInstalledInfo res) { 11929 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 11930 11931 // Remember this for later, in case we need to rollback this install 11932 String pkgName = pkg.packageName; 11933 11934 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11935 // TODO: b/23350563 11936 final boolean dataDirExists = Environment 11937 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 11938 11939 synchronized(mPackages) { 11940 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11941 // A package with the same name is already installed, though 11942 // it has been renamed to an older name. The package we 11943 // are trying to install should be installed as an update to 11944 // the existing one, but that has not been requested, so bail. 11945 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11946 + " without first uninstalling package running as " 11947 + mSettings.mRenamedPackages.get(pkgName)); 11948 return; 11949 } 11950 if (mPackages.containsKey(pkgName)) { 11951 // Don't allow installation over an existing package with the same name. 11952 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11953 + " without first uninstalling."); 11954 return; 11955 } 11956 } 11957 11958 try { 11959 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 11960 System.currentTimeMillis(), user); 11961 11962 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11963 // delete the partially installed application. the data directory will have to be 11964 // restored if it was already existing 11965 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11966 // remove package from internal structures. Note that we want deletePackageX to 11967 // delete the package data and cache directories that it created in 11968 // scanPackageLocked, unless those directories existed before we even tried to 11969 // install. 11970 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11971 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11972 res.removedInfo, true); 11973 } 11974 11975 } catch (PackageManagerException e) { 11976 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11977 } 11978 11979 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11980 } 11981 11982 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11983 // Can't rotate keys during boot or if sharedUser. 11984 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11985 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11986 return false; 11987 } 11988 // app is using upgradeKeySets; make sure all are valid 11989 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11990 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11991 for (int i = 0; i < upgradeKeySets.length; i++) { 11992 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11993 Slog.wtf(TAG, "Package " 11994 + (oldPs.name != null ? oldPs.name : "<null>") 11995 + " contains upgrade-key-set reference to unknown key-set: " 11996 + upgradeKeySets[i] 11997 + " reverting to signatures check."); 11998 return false; 11999 } 12000 } 12001 return true; 12002 } 12003 12004 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12005 // Upgrade keysets are being used. Determine if new package has a superset of the 12006 // required keys. 12007 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12008 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12009 for (int i = 0; i < upgradeKeySets.length; i++) { 12010 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12011 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12012 return true; 12013 } 12014 } 12015 return false; 12016 } 12017 12018 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12019 UserHandle user, String installerPackageName, String volumeUuid, 12020 PackageInstalledInfo res) { 12021 final PackageParser.Package oldPackage; 12022 final String pkgName = pkg.packageName; 12023 final int[] allUsers; 12024 final boolean[] perUserInstalled; 12025 12026 // First find the old package info and check signatures 12027 synchronized(mPackages) { 12028 oldPackage = mPackages.get(pkgName); 12029 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12030 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12031 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12032 if(!checkUpgradeKeySetLP(ps, pkg)) { 12033 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12034 "New package not signed by keys specified by upgrade-keysets: " 12035 + pkgName); 12036 return; 12037 } 12038 } else { 12039 // default to original signature matching 12040 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12041 != PackageManager.SIGNATURE_MATCH) { 12042 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12043 "New package has a different signature: " + pkgName); 12044 return; 12045 } 12046 } 12047 12048 // In case of rollback, remember per-user/profile install state 12049 allUsers = sUserManager.getUserIds(); 12050 perUserInstalled = new boolean[allUsers.length]; 12051 for (int i = 0; i < allUsers.length; i++) { 12052 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12053 } 12054 } 12055 12056 boolean sysPkg = (isSystemApp(oldPackage)); 12057 if (sysPkg) { 12058 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12059 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12060 } else { 12061 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12062 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12063 } 12064 } 12065 12066 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12067 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12068 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12069 String volumeUuid, PackageInstalledInfo res) { 12070 String pkgName = deletedPackage.packageName; 12071 boolean deletedPkg = true; 12072 boolean updatedSettings = false; 12073 12074 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12075 + deletedPackage); 12076 long origUpdateTime; 12077 if (pkg.mExtras != null) { 12078 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12079 } else { 12080 origUpdateTime = 0; 12081 } 12082 12083 // First delete the existing package while retaining the data directory 12084 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12085 res.removedInfo, true)) { 12086 // If the existing package wasn't successfully deleted 12087 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12088 deletedPkg = false; 12089 } else { 12090 // Successfully deleted the old package; proceed with replace. 12091 12092 // If deleted package lived in a container, give users a chance to 12093 // relinquish resources before killing. 12094 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12095 if (DEBUG_INSTALL) { 12096 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12097 } 12098 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12099 final ArrayList<String> pkgList = new ArrayList<String>(1); 12100 pkgList.add(deletedPackage.applicationInfo.packageName); 12101 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12102 } 12103 12104 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12105 try { 12106 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12107 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12108 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12109 perUserInstalled, res, user); 12110 updatedSettings = true; 12111 } catch (PackageManagerException e) { 12112 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12113 } 12114 } 12115 12116 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12117 // remove package from internal structures. Note that we want deletePackageX to 12118 // delete the package data and cache directories that it created in 12119 // scanPackageLocked, unless those directories existed before we even tried to 12120 // install. 12121 if(updatedSettings) { 12122 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12123 deletePackageLI( 12124 pkgName, null, true, allUsers, perUserInstalled, 12125 PackageManager.DELETE_KEEP_DATA, 12126 res.removedInfo, true); 12127 } 12128 // Since we failed to install the new package we need to restore the old 12129 // package that we deleted. 12130 if (deletedPkg) { 12131 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12132 File restoreFile = new File(deletedPackage.codePath); 12133 // Parse old package 12134 boolean oldExternal = isExternal(deletedPackage); 12135 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12136 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12137 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12138 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12139 try { 12140 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 12141 } catch (PackageManagerException e) { 12142 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12143 + e.getMessage()); 12144 return; 12145 } 12146 // Restore of old package succeeded. Update permissions. 12147 // writer 12148 synchronized (mPackages) { 12149 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12150 UPDATE_PERMISSIONS_ALL); 12151 // can downgrade to reader 12152 mSettings.writeLPr(); 12153 } 12154 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12155 } 12156 } 12157 } 12158 12159 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12160 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12161 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12162 String volumeUuid, PackageInstalledInfo res) { 12163 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12164 + ", old=" + deletedPackage); 12165 boolean disabledSystem = false; 12166 boolean updatedSettings = false; 12167 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12168 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12169 != 0) { 12170 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12171 } 12172 String packageName = deletedPackage.packageName; 12173 if (packageName == null) { 12174 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12175 "Attempt to delete null packageName."); 12176 return; 12177 } 12178 PackageParser.Package oldPkg; 12179 PackageSetting oldPkgSetting; 12180 // reader 12181 synchronized (mPackages) { 12182 oldPkg = mPackages.get(packageName); 12183 oldPkgSetting = mSettings.mPackages.get(packageName); 12184 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12185 (oldPkgSetting == null)) { 12186 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12187 "Couldn't find package:" + packageName + " information"); 12188 return; 12189 } 12190 } 12191 12192 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12193 12194 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12195 res.removedInfo.removedPackage = packageName; 12196 // Remove existing system package 12197 removePackageLI(oldPkgSetting, true); 12198 // writer 12199 synchronized (mPackages) { 12200 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12201 if (!disabledSystem && deletedPackage != null) { 12202 // We didn't need to disable the .apk as a current system package, 12203 // which means we are replacing another update that is already 12204 // installed. We need to make sure to delete the older one's .apk. 12205 res.removedInfo.args = createInstallArgsForExisting(0, 12206 deletedPackage.applicationInfo.getCodePath(), 12207 deletedPackage.applicationInfo.getResourcePath(), 12208 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12209 } else { 12210 res.removedInfo.args = null; 12211 } 12212 } 12213 12214 // Successfully disabled the old package. Now proceed with re-installation 12215 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12216 12217 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12218 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12219 12220 PackageParser.Package newPackage = null; 12221 try { 12222 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12223 if (newPackage.mExtras != null) { 12224 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12225 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12226 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12227 12228 // is the update attempting to change shared user? that isn't going to work... 12229 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12230 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12231 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12232 + " to " + newPkgSetting.sharedUser); 12233 updatedSettings = true; 12234 } 12235 } 12236 12237 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12238 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12239 perUserInstalled, res, user); 12240 updatedSettings = true; 12241 } 12242 12243 } catch (PackageManagerException e) { 12244 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12245 } 12246 12247 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12248 // Re installation failed. Restore old information 12249 // Remove new pkg information 12250 if (newPackage != null) { 12251 removeInstalledPackageLI(newPackage, true); 12252 } 12253 // Add back the old system package 12254 try { 12255 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12256 } catch (PackageManagerException e) { 12257 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12258 } 12259 // Restore the old system information in Settings 12260 synchronized (mPackages) { 12261 if (disabledSystem) { 12262 mSettings.enableSystemPackageLPw(packageName); 12263 } 12264 if (updatedSettings) { 12265 mSettings.setInstallerPackageName(packageName, 12266 oldPkgSetting.installerPackageName); 12267 } 12268 mSettings.writeLPr(); 12269 } 12270 } 12271 } 12272 12273 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12274 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12275 UserHandle user) { 12276 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12277 12278 String pkgName = newPackage.packageName; 12279 synchronized (mPackages) { 12280 //write settings. the installStatus will be incomplete at this stage. 12281 //note that the new package setting would have already been 12282 //added to mPackages. It hasn't been persisted yet. 12283 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12284 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12285 mSettings.writeLPr(); 12286 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12287 } 12288 12289 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12290 synchronized (mPackages) { 12291 updatePermissionsLPw(newPackage.packageName, newPackage, 12292 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12293 ? UPDATE_PERMISSIONS_ALL : 0)); 12294 // For system-bundled packages, we assume that installing an upgraded version 12295 // of the package implies that the user actually wants to run that new code, 12296 // so we enable the package. 12297 PackageSetting ps = mSettings.mPackages.get(pkgName); 12298 if (ps != null) { 12299 if (isSystemApp(newPackage)) { 12300 // NB: implicit assumption that system package upgrades apply to all users 12301 if (DEBUG_INSTALL) { 12302 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12303 } 12304 if (res.origUsers != null) { 12305 for (int userHandle : res.origUsers) { 12306 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12307 userHandle, installerPackageName); 12308 } 12309 } 12310 // Also convey the prior install/uninstall state 12311 if (allUsers != null && perUserInstalled != null) { 12312 for (int i = 0; i < allUsers.length; i++) { 12313 if (DEBUG_INSTALL) { 12314 Slog.d(TAG, " user " + allUsers[i] 12315 + " => " + perUserInstalled[i]); 12316 } 12317 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12318 } 12319 // these install state changes will be persisted in the 12320 // upcoming call to mSettings.writeLPr(). 12321 } 12322 } 12323 // It's implied that when a user requests installation, they want the app to be 12324 // installed and enabled. 12325 int userId = user.getIdentifier(); 12326 if (userId != UserHandle.USER_ALL) { 12327 ps.setInstalled(true, userId); 12328 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12329 } 12330 } 12331 res.name = pkgName; 12332 res.uid = newPackage.applicationInfo.uid; 12333 res.pkg = newPackage; 12334 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12335 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12336 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12337 //to update install status 12338 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12339 mSettings.writeLPr(); 12340 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12341 } 12342 12343 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12344 } 12345 12346 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12347 try { 12348 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12349 installPackageLI(args, res); 12350 } finally { 12351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12352 } 12353 } 12354 12355 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12356 final int installFlags = args.installFlags; 12357 final String installerPackageName = args.installerPackageName; 12358 final String volumeUuid = args.volumeUuid; 12359 final File tmpPackageFile = new File(args.getCodePath()); 12360 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12361 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12362 || (args.volumeUuid != null)); 12363 boolean replace = false; 12364 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12365 if (args.move != null) { 12366 // moving a complete application; perfom an initial scan on the new install location 12367 scanFlags |= SCAN_INITIAL; 12368 } 12369 // Result object to be returned 12370 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12371 12372 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12373 12374 // Retrieve PackageSettings and parse package 12375 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12376 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12377 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12378 PackageParser pp = new PackageParser(); 12379 pp.setSeparateProcesses(mSeparateProcesses); 12380 pp.setDisplayMetrics(mMetrics); 12381 12382 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12383 final PackageParser.Package pkg; 12384 try { 12385 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12386 } catch (PackageParserException e) { 12387 res.setError("Failed parse during installPackageLI", e); 12388 return; 12389 } finally { 12390 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12391 } 12392 12393 // Mark that we have an install time CPU ABI override. 12394 pkg.cpuAbiOverride = args.abiOverride; 12395 12396 String pkgName = res.name = pkg.packageName; 12397 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12398 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12399 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12400 return; 12401 } 12402 } 12403 12404 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12405 try { 12406 pp.collectCertificates(pkg, parseFlags); 12407 pp.collectManifestDigest(pkg); 12408 } catch (PackageParserException e) { 12409 res.setError("Failed collect during installPackageLI", e); 12410 return; 12411 } finally { 12412 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12413 } 12414 12415 /* If the installer passed in a manifest digest, compare it now. */ 12416 if (args.manifestDigest != null) { 12417 if (DEBUG_INSTALL) { 12418 final String parsedManifest = pkg.manifestDigest == null ? "null" 12419 : pkg.manifestDigest.toString(); 12420 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12421 + parsedManifest); 12422 } 12423 12424 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12425 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12426 return; 12427 } 12428 } else if (DEBUG_INSTALL) { 12429 final String parsedManifest = pkg.manifestDigest == null 12430 ? "null" : pkg.manifestDigest.toString(); 12431 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12432 } 12433 12434 // Get rid of all references to package scan path via parser. 12435 pp = null; 12436 String oldCodePath = null; 12437 boolean systemApp = false; 12438 synchronized (mPackages) { 12439 // Check if installing already existing package 12440 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12441 String oldName = mSettings.mRenamedPackages.get(pkgName); 12442 if (pkg.mOriginalPackages != null 12443 && pkg.mOriginalPackages.contains(oldName) 12444 && mPackages.containsKey(oldName)) { 12445 // This package is derived from an original package, 12446 // and this device has been updating from that original 12447 // name. We must continue using the original name, so 12448 // rename the new package here. 12449 pkg.setPackageName(oldName); 12450 pkgName = pkg.packageName; 12451 replace = true; 12452 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12453 + oldName + " pkgName=" + pkgName); 12454 } else if (mPackages.containsKey(pkgName)) { 12455 // This package, under its official name, already exists 12456 // on the device; we should replace it. 12457 replace = true; 12458 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12459 } 12460 12461 // Prevent apps opting out from runtime permissions 12462 if (replace) { 12463 PackageParser.Package oldPackage = mPackages.get(pkgName); 12464 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12465 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12466 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12467 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12468 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12469 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12470 + " doesn't support runtime permissions but the old" 12471 + " target SDK " + oldTargetSdk + " does."); 12472 return; 12473 } 12474 } 12475 } 12476 12477 PackageSetting ps = mSettings.mPackages.get(pkgName); 12478 if (ps != null) { 12479 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12480 12481 // Quick sanity check that we're signed correctly if updating; 12482 // we'll check this again later when scanning, but we want to 12483 // bail early here before tripping over redefined permissions. 12484 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12485 if (!checkUpgradeKeySetLP(ps, pkg)) { 12486 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12487 + pkg.packageName + " upgrade keys do not match the " 12488 + "previously installed version"); 12489 return; 12490 } 12491 } else { 12492 try { 12493 verifySignaturesLP(ps, pkg); 12494 } catch (PackageManagerException e) { 12495 res.setError(e.error, e.getMessage()); 12496 return; 12497 } 12498 } 12499 12500 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12501 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12502 systemApp = (ps.pkg.applicationInfo.flags & 12503 ApplicationInfo.FLAG_SYSTEM) != 0; 12504 } 12505 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12506 } 12507 12508 // Check whether the newly-scanned package wants to define an already-defined perm 12509 int N = pkg.permissions.size(); 12510 for (int i = N-1; i >= 0; i--) { 12511 PackageParser.Permission perm = pkg.permissions.get(i); 12512 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12513 if (bp != null) { 12514 // If the defining package is signed with our cert, it's okay. This 12515 // also includes the "updating the same package" case, of course. 12516 // "updating same package" could also involve key-rotation. 12517 final boolean sigsOk; 12518 if (bp.sourcePackage.equals(pkg.packageName) 12519 && (bp.packageSetting instanceof PackageSetting) 12520 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12521 scanFlags))) { 12522 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12523 } else { 12524 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12525 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12526 } 12527 if (!sigsOk) { 12528 // If the owning package is the system itself, we log but allow 12529 // install to proceed; we fail the install on all other permission 12530 // redefinitions. 12531 if (!bp.sourcePackage.equals("android")) { 12532 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12533 + pkg.packageName + " attempting to redeclare permission " 12534 + perm.info.name + " already owned by " + bp.sourcePackage); 12535 res.origPermission = perm.info.name; 12536 res.origPackage = bp.sourcePackage; 12537 return; 12538 } else { 12539 Slog.w(TAG, "Package " + pkg.packageName 12540 + " attempting to redeclare system permission " 12541 + perm.info.name + "; ignoring new declaration"); 12542 pkg.permissions.remove(i); 12543 } 12544 } 12545 } 12546 } 12547 12548 } 12549 12550 if (systemApp && onExternal) { 12551 // Disable updates to system apps on sdcard 12552 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12553 "Cannot install updates to system apps on sdcard"); 12554 return; 12555 } 12556 12557 if (args.move != null) { 12558 // We did an in-place move, so dex is ready to roll 12559 scanFlags |= SCAN_NO_DEX; 12560 scanFlags |= SCAN_MOVE; 12561 12562 synchronized (mPackages) { 12563 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12564 if (ps == null) { 12565 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12566 "Missing settings for moved package " + pkgName); 12567 } 12568 12569 // We moved the entire application as-is, so bring over the 12570 // previously derived ABI information. 12571 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12572 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12573 } 12574 12575 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12576 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12577 scanFlags |= SCAN_NO_DEX; 12578 12579 try { 12580 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12581 true /* extract libs */); 12582 } catch (PackageManagerException pme) { 12583 Slog.e(TAG, "Error deriving application ABI", pme); 12584 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12585 return; 12586 } 12587 12588 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12589 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 12590 12591 int result = mPackageDexOptimizer 12592 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12593 false /* defer */, false /* inclDependencies */); 12594 12595 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12596 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12597 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12598 return; 12599 } 12600 } 12601 12602 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12603 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12604 return; 12605 } 12606 12607 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12608 12609 if (replace) { 12610 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12611 installerPackageName, volumeUuid, res); 12612 } else { 12613 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12614 args.user, installerPackageName, volumeUuid, res); 12615 } 12616 synchronized (mPackages) { 12617 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12618 if (ps != null) { 12619 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12620 } 12621 } 12622 } 12623 12624 private void startIntentFilterVerifications(int userId, boolean replacing, 12625 PackageParser.Package pkg) { 12626 if (mIntentFilterVerifierComponent == null) { 12627 Slog.w(TAG, "No IntentFilter verification will not be done as " 12628 + "there is no IntentFilterVerifier available!"); 12629 return; 12630 } 12631 12632 final int verifierUid = getPackageUid( 12633 mIntentFilterVerifierComponent.getPackageName(), 12634 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12635 12636 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12637 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12638 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12639 mHandler.sendMessage(msg); 12640 } 12641 12642 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12643 PackageParser.Package pkg) { 12644 int size = pkg.activities.size(); 12645 if (size == 0) { 12646 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12647 "No activity, so no need to verify any IntentFilter!"); 12648 return; 12649 } 12650 12651 final boolean hasDomainURLs = hasDomainURLs(pkg); 12652 if (!hasDomainURLs) { 12653 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12654 "No domain URLs, so no need to verify any IntentFilter!"); 12655 return; 12656 } 12657 12658 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12659 + " if any IntentFilter from the " + size 12660 + " Activities needs verification ..."); 12661 12662 int count = 0; 12663 final String packageName = pkg.packageName; 12664 12665 synchronized (mPackages) { 12666 // If this is a new install and we see that we've already run verification for this 12667 // package, we have nothing to do: it means the state was restored from backup. 12668 if (!replacing) { 12669 IntentFilterVerificationInfo ivi = 12670 mSettings.getIntentFilterVerificationLPr(packageName); 12671 if (ivi != null) { 12672 if (DEBUG_DOMAIN_VERIFICATION) { 12673 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12674 + ivi.getStatusString()); 12675 } 12676 return; 12677 } 12678 } 12679 12680 // If any filters need to be verified, then all need to be. 12681 boolean needToVerify = false; 12682 for (PackageParser.Activity a : pkg.activities) { 12683 for (ActivityIntentInfo filter : a.intents) { 12684 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12685 if (DEBUG_DOMAIN_VERIFICATION) { 12686 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12687 } 12688 needToVerify = true; 12689 break; 12690 } 12691 } 12692 } 12693 12694 if (needToVerify) { 12695 final int verificationId = mIntentFilterVerificationToken++; 12696 for (PackageParser.Activity a : pkg.activities) { 12697 for (ActivityIntentInfo filter : a.intents) { 12698 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12699 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12700 "Verification needed for IntentFilter:" + filter.toString()); 12701 mIntentFilterVerifier.addOneIntentFilterVerification( 12702 verifierUid, userId, verificationId, filter, packageName); 12703 count++; 12704 } 12705 } 12706 } 12707 } 12708 } 12709 12710 if (count > 0) { 12711 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12712 + " IntentFilter verification" + (count > 1 ? "s" : "") 12713 + " for userId:" + userId); 12714 mIntentFilterVerifier.startVerifications(userId); 12715 } else { 12716 if (DEBUG_DOMAIN_VERIFICATION) { 12717 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12718 } 12719 } 12720 } 12721 12722 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12723 final ComponentName cn = filter.activity.getComponentName(); 12724 final String packageName = cn.getPackageName(); 12725 12726 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12727 packageName); 12728 if (ivi == null) { 12729 return true; 12730 } 12731 int status = ivi.getStatus(); 12732 switch (status) { 12733 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12734 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12735 return true; 12736 12737 default: 12738 // Nothing to do 12739 return false; 12740 } 12741 } 12742 12743 private static boolean isMultiArch(PackageSetting ps) { 12744 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12745 } 12746 12747 private static boolean isMultiArch(ApplicationInfo info) { 12748 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12749 } 12750 12751 private static boolean isExternal(PackageParser.Package pkg) { 12752 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12753 } 12754 12755 private static boolean isExternal(PackageSetting ps) { 12756 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12757 } 12758 12759 private static boolean isExternal(ApplicationInfo info) { 12760 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12761 } 12762 12763 private static boolean isSystemApp(PackageParser.Package pkg) { 12764 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12765 } 12766 12767 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12768 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12769 } 12770 12771 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12772 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12773 } 12774 12775 private static boolean isSystemApp(PackageSetting ps) { 12776 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12777 } 12778 12779 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12780 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12781 } 12782 12783 private int packageFlagsToInstallFlags(PackageSetting ps) { 12784 int installFlags = 0; 12785 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12786 // This existing package was an external ASEC install when we have 12787 // the external flag without a UUID 12788 installFlags |= PackageManager.INSTALL_EXTERNAL; 12789 } 12790 if (ps.isForwardLocked()) { 12791 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12792 } 12793 return installFlags; 12794 } 12795 12796 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12797 if (isExternal(pkg)) { 12798 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12799 return mSettings.getExternalVersion(); 12800 } else { 12801 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12802 } 12803 } else { 12804 return mSettings.getInternalVersion(); 12805 } 12806 } 12807 12808 private void deleteTempPackageFiles() { 12809 final FilenameFilter filter = new FilenameFilter() { 12810 public boolean accept(File dir, String name) { 12811 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12812 } 12813 }; 12814 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12815 file.delete(); 12816 } 12817 } 12818 12819 @Override 12820 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12821 int flags) { 12822 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12823 flags); 12824 } 12825 12826 @Override 12827 public void deletePackage(final String packageName, 12828 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12829 mContext.enforceCallingOrSelfPermission( 12830 android.Manifest.permission.DELETE_PACKAGES, null); 12831 Preconditions.checkNotNull(packageName); 12832 Preconditions.checkNotNull(observer); 12833 final int uid = Binder.getCallingUid(); 12834 if (UserHandle.getUserId(uid) != userId) { 12835 mContext.enforceCallingPermission( 12836 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12837 "deletePackage for user " + userId); 12838 } 12839 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12840 try { 12841 observer.onPackageDeleted(packageName, 12842 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12843 } catch (RemoteException re) { 12844 } 12845 return; 12846 } 12847 12848 boolean uninstallBlocked = false; 12849 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12850 int[] users = sUserManager.getUserIds(); 12851 for (int i = 0; i < users.length; ++i) { 12852 if (getBlockUninstallForUser(packageName, users[i])) { 12853 uninstallBlocked = true; 12854 break; 12855 } 12856 } 12857 } else { 12858 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12859 } 12860 if (uninstallBlocked) { 12861 try { 12862 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12863 null); 12864 } catch (RemoteException re) { 12865 } 12866 return; 12867 } 12868 12869 if (DEBUG_REMOVE) { 12870 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12871 } 12872 // Queue up an async operation since the package deletion may take a little while. 12873 mHandler.post(new Runnable() { 12874 public void run() { 12875 mHandler.removeCallbacks(this); 12876 final int returnCode = deletePackageX(packageName, userId, flags); 12877 if (observer != null) { 12878 try { 12879 observer.onPackageDeleted(packageName, returnCode, null); 12880 } catch (RemoteException e) { 12881 Log.i(TAG, "Observer no longer exists."); 12882 } //end catch 12883 } //end if 12884 } //end run 12885 }); 12886 } 12887 12888 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12889 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12890 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12891 try { 12892 if (dpm != null) { 12893 if (dpm.isDeviceOwner(packageName)) { 12894 return true; 12895 } 12896 int[] users; 12897 if (userId == UserHandle.USER_ALL) { 12898 users = sUserManager.getUserIds(); 12899 } else { 12900 users = new int[]{userId}; 12901 } 12902 for (int i = 0; i < users.length; ++i) { 12903 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12904 return true; 12905 } 12906 } 12907 } 12908 } catch (RemoteException e) { 12909 } 12910 return false; 12911 } 12912 12913 /** 12914 * This method is an internal method that could be get invoked either 12915 * to delete an installed package or to clean up a failed installation. 12916 * After deleting an installed package, a broadcast is sent to notify any 12917 * listeners that the package has been installed. For cleaning up a failed 12918 * installation, the broadcast is not necessary since the package's 12919 * installation wouldn't have sent the initial broadcast either 12920 * The key steps in deleting a package are 12921 * deleting the package information in internal structures like mPackages, 12922 * deleting the packages base directories through installd 12923 * updating mSettings to reflect current status 12924 * persisting settings for later use 12925 * sending a broadcast if necessary 12926 */ 12927 private int deletePackageX(String packageName, int userId, int flags) { 12928 final PackageRemovedInfo info = new PackageRemovedInfo(); 12929 final boolean res; 12930 12931 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12932 ? UserHandle.ALL : new UserHandle(userId); 12933 12934 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12935 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12936 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12937 } 12938 12939 boolean removedForAllUsers = false; 12940 boolean systemUpdate = false; 12941 12942 // for the uninstall-updates case and restricted profiles, remember the per- 12943 // userhandle installed state 12944 int[] allUsers; 12945 boolean[] perUserInstalled; 12946 synchronized (mPackages) { 12947 PackageSetting ps = mSettings.mPackages.get(packageName); 12948 allUsers = sUserManager.getUserIds(); 12949 perUserInstalled = new boolean[allUsers.length]; 12950 for (int i = 0; i < allUsers.length; i++) { 12951 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12952 } 12953 } 12954 12955 synchronized (mInstallLock) { 12956 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12957 res = deletePackageLI(packageName, removeForUser, 12958 true, allUsers, perUserInstalled, 12959 flags | REMOVE_CHATTY, info, true); 12960 systemUpdate = info.isRemovedPackageSystemUpdate; 12961 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12962 removedForAllUsers = true; 12963 } 12964 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12965 + " removedForAllUsers=" + removedForAllUsers); 12966 } 12967 12968 if (res) { 12969 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12970 12971 // If the removed package was a system update, the old system package 12972 // was re-enabled; we need to broadcast this information 12973 if (systemUpdate) { 12974 Bundle extras = new Bundle(1); 12975 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12976 ? info.removedAppId : info.uid); 12977 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12978 12979 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12980 extras, null, null, null); 12981 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12982 extras, null, null, null); 12983 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12984 null, packageName, null, null); 12985 } 12986 } 12987 // Force a gc here. 12988 Runtime.getRuntime().gc(); 12989 // Delete the resources here after sending the broadcast to let 12990 // other processes clean up before deleting resources. 12991 if (info.args != null) { 12992 synchronized (mInstallLock) { 12993 info.args.doPostDeleteLI(true); 12994 } 12995 } 12996 12997 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12998 } 12999 13000 class PackageRemovedInfo { 13001 String removedPackage; 13002 int uid = -1; 13003 int removedAppId = -1; 13004 int[] removedUsers = null; 13005 boolean isRemovedPackageSystemUpdate = false; 13006 // Clean up resources deleted packages. 13007 InstallArgs args = null; 13008 13009 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13010 Bundle extras = new Bundle(1); 13011 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13012 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13013 if (replacing) { 13014 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13015 } 13016 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13017 if (removedPackage != null) { 13018 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13019 extras, null, null, removedUsers); 13020 if (fullRemove && !replacing) { 13021 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13022 extras, null, null, removedUsers); 13023 } 13024 } 13025 if (removedAppId >= 0) { 13026 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 13027 removedUsers); 13028 } 13029 } 13030 } 13031 13032 /* 13033 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13034 * flag is not set, the data directory is removed as well. 13035 * make sure this flag is set for partially installed apps. If not its meaningless to 13036 * delete a partially installed application. 13037 */ 13038 private void removePackageDataLI(PackageSetting ps, 13039 int[] allUserHandles, boolean[] perUserInstalled, 13040 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13041 String packageName = ps.name; 13042 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13043 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13044 // Retrieve object to delete permissions for shared user later on 13045 final PackageSetting deletedPs; 13046 // reader 13047 synchronized (mPackages) { 13048 deletedPs = mSettings.mPackages.get(packageName); 13049 if (outInfo != null) { 13050 outInfo.removedPackage = packageName; 13051 outInfo.removedUsers = deletedPs != null 13052 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13053 : null; 13054 } 13055 } 13056 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13057 removeDataDirsLI(ps.volumeUuid, packageName); 13058 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13059 } 13060 // writer 13061 synchronized (mPackages) { 13062 if (deletedPs != null) { 13063 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13064 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13065 clearDefaultBrowserIfNeeded(packageName); 13066 if (outInfo != null) { 13067 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13068 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13069 } 13070 updatePermissionsLPw(deletedPs.name, null, 0); 13071 if (deletedPs.sharedUser != null) { 13072 // Remove permissions associated with package. Since runtime 13073 // permissions are per user we have to kill the removed package 13074 // or packages running under the shared user of the removed 13075 // package if revoking the permissions requested only by the removed 13076 // package is successful and this causes a change in gids. 13077 for (int userId : UserManagerService.getInstance().getUserIds()) { 13078 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13079 userId); 13080 if (userIdToKill == UserHandle.USER_ALL 13081 || userIdToKill >= UserHandle.USER_OWNER) { 13082 // If gids changed for this user, kill all affected packages. 13083 mHandler.post(new Runnable() { 13084 @Override 13085 public void run() { 13086 // This has to happen with no lock held. 13087 killApplication(deletedPs.name, deletedPs.appId, 13088 KILL_APP_REASON_GIDS_CHANGED); 13089 } 13090 }); 13091 break; 13092 } 13093 } 13094 } 13095 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13096 } 13097 // make sure to preserve per-user disabled state if this removal was just 13098 // a downgrade of a system app to the factory package 13099 if (allUserHandles != null && perUserInstalled != null) { 13100 if (DEBUG_REMOVE) { 13101 Slog.d(TAG, "Propagating install state across downgrade"); 13102 } 13103 for (int i = 0; i < allUserHandles.length; i++) { 13104 if (DEBUG_REMOVE) { 13105 Slog.d(TAG, " user " + allUserHandles[i] 13106 + " => " + perUserInstalled[i]); 13107 } 13108 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13109 } 13110 } 13111 } 13112 // can downgrade to reader 13113 if (writeSettings) { 13114 // Save settings now 13115 mSettings.writeLPr(); 13116 } 13117 } 13118 if (outInfo != null) { 13119 // A user ID was deleted here. Go through all users and remove it 13120 // from KeyStore. 13121 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13122 } 13123 } 13124 13125 static boolean locationIsPrivileged(File path) { 13126 try { 13127 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13128 .getCanonicalPath(); 13129 return path.getCanonicalPath().startsWith(privilegedAppDir); 13130 } catch (IOException e) { 13131 Slog.e(TAG, "Unable to access code path " + path); 13132 } 13133 return false; 13134 } 13135 13136 /* 13137 * Tries to delete system package. 13138 */ 13139 private boolean deleteSystemPackageLI(PackageSetting newPs, 13140 int[] allUserHandles, boolean[] perUserInstalled, 13141 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13142 final boolean applyUserRestrictions 13143 = (allUserHandles != null) && (perUserInstalled != null); 13144 PackageSetting disabledPs = null; 13145 // Confirm if the system package has been updated 13146 // An updated system app can be deleted. This will also have to restore 13147 // the system pkg from system partition 13148 // reader 13149 synchronized (mPackages) { 13150 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13151 } 13152 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13153 + " disabledPs=" + disabledPs); 13154 if (disabledPs == null) { 13155 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13156 return false; 13157 } else if (DEBUG_REMOVE) { 13158 Slog.d(TAG, "Deleting system pkg from data partition"); 13159 } 13160 if (DEBUG_REMOVE) { 13161 if (applyUserRestrictions) { 13162 Slog.d(TAG, "Remembering install states:"); 13163 for (int i = 0; i < allUserHandles.length; i++) { 13164 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13165 } 13166 } 13167 } 13168 // Delete the updated package 13169 outInfo.isRemovedPackageSystemUpdate = true; 13170 if (disabledPs.versionCode < newPs.versionCode) { 13171 // Delete data for downgrades 13172 flags &= ~PackageManager.DELETE_KEEP_DATA; 13173 } else { 13174 // Preserve data by setting flag 13175 flags |= PackageManager.DELETE_KEEP_DATA; 13176 } 13177 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13178 allUserHandles, perUserInstalled, outInfo, writeSettings); 13179 if (!ret) { 13180 return false; 13181 } 13182 // writer 13183 synchronized (mPackages) { 13184 // Reinstate the old system package 13185 mSettings.enableSystemPackageLPw(newPs.name); 13186 // Remove any native libraries from the upgraded package. 13187 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13188 } 13189 // Install the system package 13190 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13191 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13192 if (locationIsPrivileged(disabledPs.codePath)) { 13193 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13194 } 13195 13196 final PackageParser.Package newPkg; 13197 try { 13198 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13199 } catch (PackageManagerException e) { 13200 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13201 return false; 13202 } 13203 13204 // writer 13205 synchronized (mPackages) { 13206 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13207 13208 // Propagate the permissions state as we do not want to drop on the floor 13209 // runtime permissions. The update permissions method below will take 13210 // care of removing obsolete permissions and grant install permissions. 13211 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13212 updatePermissionsLPw(newPkg.packageName, newPkg, 13213 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13214 13215 if (applyUserRestrictions) { 13216 if (DEBUG_REMOVE) { 13217 Slog.d(TAG, "Propagating install state across reinstall"); 13218 } 13219 for (int i = 0; i < allUserHandles.length; i++) { 13220 if (DEBUG_REMOVE) { 13221 Slog.d(TAG, " user " + allUserHandles[i] 13222 + " => " + perUserInstalled[i]); 13223 } 13224 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13225 13226 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13227 } 13228 // Regardless of writeSettings we need to ensure that this restriction 13229 // state propagation is persisted 13230 mSettings.writeAllUsersPackageRestrictionsLPr(); 13231 } 13232 // can downgrade to reader here 13233 if (writeSettings) { 13234 mSettings.writeLPr(); 13235 } 13236 } 13237 return true; 13238 } 13239 13240 private boolean deleteInstalledPackageLI(PackageSetting ps, 13241 boolean deleteCodeAndResources, int flags, 13242 int[] allUserHandles, boolean[] perUserInstalled, 13243 PackageRemovedInfo outInfo, boolean writeSettings) { 13244 if (outInfo != null) { 13245 outInfo.uid = ps.appId; 13246 } 13247 13248 // Delete package data from internal structures and also remove data if flag is set 13249 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13250 13251 // Delete application code and resources 13252 if (deleteCodeAndResources && (outInfo != null)) { 13253 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13254 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13255 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13256 } 13257 return true; 13258 } 13259 13260 @Override 13261 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13262 int userId) { 13263 mContext.enforceCallingOrSelfPermission( 13264 android.Manifest.permission.DELETE_PACKAGES, null); 13265 synchronized (mPackages) { 13266 PackageSetting ps = mSettings.mPackages.get(packageName); 13267 if (ps == null) { 13268 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13269 return false; 13270 } 13271 if (!ps.getInstalled(userId)) { 13272 // Can't block uninstall for an app that is not installed or enabled. 13273 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13274 return false; 13275 } 13276 ps.setBlockUninstall(blockUninstall, userId); 13277 mSettings.writePackageRestrictionsLPr(userId); 13278 } 13279 return true; 13280 } 13281 13282 @Override 13283 public boolean getBlockUninstallForUser(String packageName, int userId) { 13284 synchronized (mPackages) { 13285 PackageSetting ps = mSettings.mPackages.get(packageName); 13286 if (ps == null) { 13287 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13288 return false; 13289 } 13290 return ps.getBlockUninstall(userId); 13291 } 13292 } 13293 13294 /* 13295 * This method handles package deletion in general 13296 */ 13297 private boolean deletePackageLI(String packageName, UserHandle user, 13298 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13299 int flags, PackageRemovedInfo outInfo, 13300 boolean writeSettings) { 13301 if (packageName == null) { 13302 Slog.w(TAG, "Attempt to delete null packageName."); 13303 return false; 13304 } 13305 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13306 PackageSetting ps; 13307 boolean dataOnly = false; 13308 int removeUser = -1; 13309 int appId = -1; 13310 synchronized (mPackages) { 13311 ps = mSettings.mPackages.get(packageName); 13312 if (ps == null) { 13313 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13314 return false; 13315 } 13316 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13317 && user.getIdentifier() != UserHandle.USER_ALL) { 13318 // The caller is asking that the package only be deleted for a single 13319 // user. To do this, we just mark its uninstalled state and delete 13320 // its data. If this is a system app, we only allow this to happen if 13321 // they have set the special DELETE_SYSTEM_APP which requests different 13322 // semantics than normal for uninstalling system apps. 13323 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13324 final int userId = user.getIdentifier(); 13325 ps.setUserState(userId, 13326 COMPONENT_ENABLED_STATE_DEFAULT, 13327 false, //installed 13328 true, //stopped 13329 true, //notLaunched 13330 false, //hidden 13331 null, null, null, 13332 false, // blockUninstall 13333 ps.readUserState(userId).domainVerificationStatus, 0); 13334 if (!isSystemApp(ps)) { 13335 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13336 // Other user still have this package installed, so all 13337 // we need to do is clear this user's data and save that 13338 // it is uninstalled. 13339 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13340 removeUser = user.getIdentifier(); 13341 appId = ps.appId; 13342 scheduleWritePackageRestrictionsLocked(removeUser); 13343 } else { 13344 // We need to set it back to 'installed' so the uninstall 13345 // broadcasts will be sent correctly. 13346 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13347 ps.setInstalled(true, user.getIdentifier()); 13348 } 13349 } else { 13350 // This is a system app, so we assume that the 13351 // other users still have this package installed, so all 13352 // we need to do is clear this user's data and save that 13353 // it is uninstalled. 13354 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13355 removeUser = user.getIdentifier(); 13356 appId = ps.appId; 13357 scheduleWritePackageRestrictionsLocked(removeUser); 13358 } 13359 } 13360 } 13361 13362 if (removeUser >= 0) { 13363 // From above, we determined that we are deleting this only 13364 // for a single user. Continue the work here. 13365 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13366 if (outInfo != null) { 13367 outInfo.removedPackage = packageName; 13368 outInfo.removedAppId = appId; 13369 outInfo.removedUsers = new int[] {removeUser}; 13370 } 13371 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13372 removeKeystoreDataIfNeeded(removeUser, appId); 13373 schedulePackageCleaning(packageName, removeUser, false); 13374 synchronized (mPackages) { 13375 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13376 scheduleWritePackageRestrictionsLocked(removeUser); 13377 } 13378 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13379 } 13380 return true; 13381 } 13382 13383 if (dataOnly) { 13384 // Delete application data first 13385 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13386 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13387 return true; 13388 } 13389 13390 boolean ret = false; 13391 if (isSystemApp(ps)) { 13392 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13393 // When an updated system application is deleted we delete the existing resources as well and 13394 // fall back to existing code in system partition 13395 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13396 flags, outInfo, writeSettings); 13397 } else { 13398 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13399 // Kill application pre-emptively especially for apps on sd. 13400 killApplication(packageName, ps.appId, "uninstall pkg"); 13401 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13402 allUserHandles, perUserInstalled, 13403 outInfo, writeSettings); 13404 } 13405 13406 return ret; 13407 } 13408 13409 private final class ClearStorageConnection implements ServiceConnection { 13410 IMediaContainerService mContainerService; 13411 13412 @Override 13413 public void onServiceConnected(ComponentName name, IBinder service) { 13414 synchronized (this) { 13415 mContainerService = IMediaContainerService.Stub.asInterface(service); 13416 notifyAll(); 13417 } 13418 } 13419 13420 @Override 13421 public void onServiceDisconnected(ComponentName name) { 13422 } 13423 } 13424 13425 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13426 final boolean mounted; 13427 if (Environment.isExternalStorageEmulated()) { 13428 mounted = true; 13429 } else { 13430 final String status = Environment.getExternalStorageState(); 13431 13432 mounted = status.equals(Environment.MEDIA_MOUNTED) 13433 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13434 } 13435 13436 if (!mounted) { 13437 return; 13438 } 13439 13440 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13441 int[] users; 13442 if (userId == UserHandle.USER_ALL) { 13443 users = sUserManager.getUserIds(); 13444 } else { 13445 users = new int[] { userId }; 13446 } 13447 final ClearStorageConnection conn = new ClearStorageConnection(); 13448 if (mContext.bindServiceAsUser( 13449 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13450 try { 13451 for (int curUser : users) { 13452 long timeout = SystemClock.uptimeMillis() + 5000; 13453 synchronized (conn) { 13454 long now = SystemClock.uptimeMillis(); 13455 while (conn.mContainerService == null && now < timeout) { 13456 try { 13457 conn.wait(timeout - now); 13458 } catch (InterruptedException e) { 13459 } 13460 } 13461 } 13462 if (conn.mContainerService == null) { 13463 return; 13464 } 13465 13466 final UserEnvironment userEnv = new UserEnvironment(curUser); 13467 clearDirectory(conn.mContainerService, 13468 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13469 if (allData) { 13470 clearDirectory(conn.mContainerService, 13471 userEnv.buildExternalStorageAppDataDirs(packageName)); 13472 clearDirectory(conn.mContainerService, 13473 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13474 } 13475 } 13476 } finally { 13477 mContext.unbindService(conn); 13478 } 13479 } 13480 } 13481 13482 @Override 13483 public void clearApplicationUserData(final String packageName, 13484 final IPackageDataObserver observer, final int userId) { 13485 mContext.enforceCallingOrSelfPermission( 13486 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13487 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13488 // Queue up an async operation since the package deletion may take a little while. 13489 mHandler.post(new Runnable() { 13490 public void run() { 13491 mHandler.removeCallbacks(this); 13492 final boolean succeeded; 13493 synchronized (mInstallLock) { 13494 succeeded = clearApplicationUserDataLI(packageName, userId); 13495 } 13496 clearExternalStorageDataSync(packageName, userId, true); 13497 if (succeeded) { 13498 // invoke DeviceStorageMonitor's update method to clear any notifications 13499 DeviceStorageMonitorInternal 13500 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13501 if (dsm != null) { 13502 dsm.checkMemory(); 13503 } 13504 } 13505 if(observer != null) { 13506 try { 13507 observer.onRemoveCompleted(packageName, succeeded); 13508 } catch (RemoteException e) { 13509 Log.i(TAG, "Observer no longer exists."); 13510 } 13511 } //end if observer 13512 } //end run 13513 }); 13514 } 13515 13516 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13517 if (packageName == null) { 13518 Slog.w(TAG, "Attempt to delete null packageName."); 13519 return false; 13520 } 13521 13522 // Try finding details about the requested package 13523 PackageParser.Package pkg; 13524 synchronized (mPackages) { 13525 pkg = mPackages.get(packageName); 13526 if (pkg == null) { 13527 final PackageSetting ps = mSettings.mPackages.get(packageName); 13528 if (ps != null) { 13529 pkg = ps.pkg; 13530 } 13531 } 13532 13533 if (pkg == null) { 13534 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13535 return false; 13536 } 13537 13538 PackageSetting ps = (PackageSetting) pkg.mExtras; 13539 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13540 } 13541 13542 // Always delete data directories for package, even if we found no other 13543 // record of app. This helps users recover from UID mismatches without 13544 // resorting to a full data wipe. 13545 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13546 if (retCode < 0) { 13547 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13548 return false; 13549 } 13550 13551 final int appId = pkg.applicationInfo.uid; 13552 removeKeystoreDataIfNeeded(userId, appId); 13553 13554 // Create a native library symlink only if we have native libraries 13555 // and if the native libraries are 32 bit libraries. We do not provide 13556 // this symlink for 64 bit libraries. 13557 if (pkg.applicationInfo.primaryCpuAbi != null && 13558 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13559 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13560 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13561 nativeLibPath, userId) < 0) { 13562 Slog.w(TAG, "Failed linking native library dir"); 13563 return false; 13564 } 13565 } 13566 13567 return true; 13568 } 13569 13570 /** 13571 * Reverts user permission state changes (permissions and flags) in 13572 * all packages for a given user. 13573 * 13574 * @param userId The device user for which to do a reset. 13575 */ 13576 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13577 final int packageCount = mPackages.size(); 13578 for (int i = 0; i < packageCount; i++) { 13579 PackageParser.Package pkg = mPackages.valueAt(i); 13580 PackageSetting ps = (PackageSetting) pkg.mExtras; 13581 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13582 } 13583 } 13584 13585 /** 13586 * Reverts user permission state changes (permissions and flags). 13587 * 13588 * @param ps The package for which to reset. 13589 * @param userId The device user for which to do a reset. 13590 */ 13591 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13592 final PackageSetting ps, final int userId) { 13593 if (ps.pkg == null) { 13594 return; 13595 } 13596 13597 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13598 | FLAG_PERMISSION_USER_FIXED 13599 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13600 13601 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13602 | FLAG_PERMISSION_POLICY_FIXED; 13603 13604 boolean writeInstallPermissions = false; 13605 boolean writeRuntimePermissions = false; 13606 13607 final int permissionCount = ps.pkg.requestedPermissions.size(); 13608 for (int i = 0; i < permissionCount; i++) { 13609 String permission = ps.pkg.requestedPermissions.get(i); 13610 13611 BasePermission bp = mSettings.mPermissions.get(permission); 13612 if (bp == null) { 13613 continue; 13614 } 13615 13616 // If shared user we just reset the state to which only this app contributed. 13617 if (ps.sharedUser != null) { 13618 boolean used = false; 13619 final int packageCount = ps.sharedUser.packages.size(); 13620 for (int j = 0; j < packageCount; j++) { 13621 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13622 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13623 && pkg.pkg.requestedPermissions.contains(permission)) { 13624 used = true; 13625 break; 13626 } 13627 } 13628 if (used) { 13629 continue; 13630 } 13631 } 13632 13633 PermissionsState permissionsState = ps.getPermissionsState(); 13634 13635 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13636 13637 // Always clear the user settable flags. 13638 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13639 bp.name) != null; 13640 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13641 if (hasInstallState) { 13642 writeInstallPermissions = true; 13643 } else { 13644 writeRuntimePermissions = true; 13645 } 13646 } 13647 13648 // Below is only runtime permission handling. 13649 if (!bp.isRuntime()) { 13650 continue; 13651 } 13652 13653 // Never clobber system or policy. 13654 if ((oldFlags & policyOrSystemFlags) != 0) { 13655 continue; 13656 } 13657 13658 // If this permission was granted by default, make sure it is. 13659 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13660 if (permissionsState.grantRuntimePermission(bp, userId) 13661 != PERMISSION_OPERATION_FAILURE) { 13662 writeRuntimePermissions = true; 13663 } 13664 } else { 13665 // Otherwise, reset the permission. 13666 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13667 switch (revokeResult) { 13668 case PERMISSION_OPERATION_SUCCESS: { 13669 writeRuntimePermissions = true; 13670 } break; 13671 13672 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13673 writeRuntimePermissions = true; 13674 final int appId = ps.appId; 13675 mHandler.post(new Runnable() { 13676 @Override 13677 public void run() { 13678 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13679 } 13680 }); 13681 } break; 13682 } 13683 } 13684 } 13685 13686 // Synchronously write as we are taking permissions away. 13687 if (writeRuntimePermissions) { 13688 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13689 } 13690 13691 // Synchronously write as we are taking permissions away. 13692 if (writeInstallPermissions) { 13693 mSettings.writeLPr(); 13694 } 13695 } 13696 13697 /** 13698 * Remove entries from the keystore daemon. Will only remove it if the 13699 * {@code appId} is valid. 13700 */ 13701 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13702 if (appId < 0) { 13703 return; 13704 } 13705 13706 final KeyStore keyStore = KeyStore.getInstance(); 13707 if (keyStore != null) { 13708 if (userId == UserHandle.USER_ALL) { 13709 for (final int individual : sUserManager.getUserIds()) { 13710 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13711 } 13712 } else { 13713 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13714 } 13715 } else { 13716 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13717 } 13718 } 13719 13720 @Override 13721 public void deleteApplicationCacheFiles(final String packageName, 13722 final IPackageDataObserver observer) { 13723 mContext.enforceCallingOrSelfPermission( 13724 android.Manifest.permission.DELETE_CACHE_FILES, null); 13725 // Queue up an async operation since the package deletion may take a little while. 13726 final int userId = UserHandle.getCallingUserId(); 13727 mHandler.post(new Runnable() { 13728 public void run() { 13729 mHandler.removeCallbacks(this); 13730 final boolean succeded; 13731 synchronized (mInstallLock) { 13732 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13733 } 13734 clearExternalStorageDataSync(packageName, userId, false); 13735 if (observer != null) { 13736 try { 13737 observer.onRemoveCompleted(packageName, succeded); 13738 } catch (RemoteException e) { 13739 Log.i(TAG, "Observer no longer exists."); 13740 } 13741 } //end if observer 13742 } //end run 13743 }); 13744 } 13745 13746 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13747 if (packageName == null) { 13748 Slog.w(TAG, "Attempt to delete null packageName."); 13749 return false; 13750 } 13751 PackageParser.Package p; 13752 synchronized (mPackages) { 13753 p = mPackages.get(packageName); 13754 } 13755 if (p == null) { 13756 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13757 return false; 13758 } 13759 final ApplicationInfo applicationInfo = p.applicationInfo; 13760 if (applicationInfo == null) { 13761 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13762 return false; 13763 } 13764 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13765 if (retCode < 0) { 13766 Slog.w(TAG, "Couldn't remove cache files for package: " 13767 + packageName + " u" + userId); 13768 return false; 13769 } 13770 return true; 13771 } 13772 13773 @Override 13774 public void getPackageSizeInfo(final String packageName, int userHandle, 13775 final IPackageStatsObserver observer) { 13776 mContext.enforceCallingOrSelfPermission( 13777 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13778 if (packageName == null) { 13779 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13780 } 13781 13782 PackageStats stats = new PackageStats(packageName, userHandle); 13783 13784 /* 13785 * Queue up an async operation since the package measurement may take a 13786 * little while. 13787 */ 13788 Message msg = mHandler.obtainMessage(INIT_COPY); 13789 msg.obj = new MeasureParams(stats, observer); 13790 mHandler.sendMessage(msg); 13791 } 13792 13793 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13794 PackageStats pStats) { 13795 if (packageName == null) { 13796 Slog.w(TAG, "Attempt to get size of null packageName."); 13797 return false; 13798 } 13799 PackageParser.Package p; 13800 boolean dataOnly = false; 13801 String libDirRoot = null; 13802 String asecPath = null; 13803 PackageSetting ps = null; 13804 synchronized (mPackages) { 13805 p = mPackages.get(packageName); 13806 ps = mSettings.mPackages.get(packageName); 13807 if(p == null) { 13808 dataOnly = true; 13809 if((ps == null) || (ps.pkg == null)) { 13810 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13811 return false; 13812 } 13813 p = ps.pkg; 13814 } 13815 if (ps != null) { 13816 libDirRoot = ps.legacyNativeLibraryPathString; 13817 } 13818 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13819 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13820 if (secureContainerId != null) { 13821 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13822 } 13823 } 13824 } 13825 String publicSrcDir = null; 13826 if(!dataOnly) { 13827 final ApplicationInfo applicationInfo = p.applicationInfo; 13828 if (applicationInfo == null) { 13829 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13830 return false; 13831 } 13832 if (p.isForwardLocked()) { 13833 publicSrcDir = applicationInfo.getBaseResourcePath(); 13834 } 13835 } 13836 // TODO: extend to measure size of split APKs 13837 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13838 // not just the first level. 13839 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13840 // just the primary. 13841 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13842 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath, 13843 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13844 if (res < 0) { 13845 return false; 13846 } 13847 13848 // Fix-up for forward-locked applications in ASEC containers. 13849 if (!isExternal(p)) { 13850 pStats.codeSize += pStats.externalCodeSize; 13851 pStats.externalCodeSize = 0L; 13852 } 13853 13854 return true; 13855 } 13856 13857 13858 @Override 13859 public void addPackageToPreferred(String packageName) { 13860 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13861 } 13862 13863 @Override 13864 public void removePackageFromPreferred(String packageName) { 13865 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13866 } 13867 13868 @Override 13869 public List<PackageInfo> getPreferredPackages(int flags) { 13870 return new ArrayList<PackageInfo>(); 13871 } 13872 13873 private int getUidTargetSdkVersionLockedLPr(int uid) { 13874 Object obj = mSettings.getUserIdLPr(uid); 13875 if (obj instanceof SharedUserSetting) { 13876 final SharedUserSetting sus = (SharedUserSetting) obj; 13877 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13878 final Iterator<PackageSetting> it = sus.packages.iterator(); 13879 while (it.hasNext()) { 13880 final PackageSetting ps = it.next(); 13881 if (ps.pkg != null) { 13882 int v = ps.pkg.applicationInfo.targetSdkVersion; 13883 if (v < vers) vers = v; 13884 } 13885 } 13886 return vers; 13887 } else if (obj instanceof PackageSetting) { 13888 final PackageSetting ps = (PackageSetting) obj; 13889 if (ps.pkg != null) { 13890 return ps.pkg.applicationInfo.targetSdkVersion; 13891 } 13892 } 13893 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13894 } 13895 13896 @Override 13897 public void addPreferredActivity(IntentFilter filter, int match, 13898 ComponentName[] set, ComponentName activity, int userId) { 13899 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13900 "Adding preferred"); 13901 } 13902 13903 private void addPreferredActivityInternal(IntentFilter filter, int match, 13904 ComponentName[] set, ComponentName activity, boolean always, int userId, 13905 String opname) { 13906 // writer 13907 int callingUid = Binder.getCallingUid(); 13908 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13909 if (filter.countActions() == 0) { 13910 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13911 return; 13912 } 13913 synchronized (mPackages) { 13914 if (mContext.checkCallingOrSelfPermission( 13915 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13916 != PackageManager.PERMISSION_GRANTED) { 13917 if (getUidTargetSdkVersionLockedLPr(callingUid) 13918 < Build.VERSION_CODES.FROYO) { 13919 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13920 + callingUid); 13921 return; 13922 } 13923 mContext.enforceCallingOrSelfPermission( 13924 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13925 } 13926 13927 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13928 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13929 + userId + ":"); 13930 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13931 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13932 scheduleWritePackageRestrictionsLocked(userId); 13933 } 13934 } 13935 13936 @Override 13937 public void replacePreferredActivity(IntentFilter filter, int match, 13938 ComponentName[] set, ComponentName activity, int userId) { 13939 if (filter.countActions() != 1) { 13940 throw new IllegalArgumentException( 13941 "replacePreferredActivity expects filter to have only 1 action."); 13942 } 13943 if (filter.countDataAuthorities() != 0 13944 || filter.countDataPaths() != 0 13945 || filter.countDataSchemes() > 1 13946 || filter.countDataTypes() != 0) { 13947 throw new IllegalArgumentException( 13948 "replacePreferredActivity expects filter to have no data authorities, " + 13949 "paths, or types; and at most one scheme."); 13950 } 13951 13952 final int callingUid = Binder.getCallingUid(); 13953 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13954 synchronized (mPackages) { 13955 if (mContext.checkCallingOrSelfPermission( 13956 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13957 != PackageManager.PERMISSION_GRANTED) { 13958 if (getUidTargetSdkVersionLockedLPr(callingUid) 13959 < Build.VERSION_CODES.FROYO) { 13960 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13961 + Binder.getCallingUid()); 13962 return; 13963 } 13964 mContext.enforceCallingOrSelfPermission( 13965 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13966 } 13967 13968 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13969 if (pir != null) { 13970 // Get all of the existing entries that exactly match this filter. 13971 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13972 if (existing != null && existing.size() == 1) { 13973 PreferredActivity cur = existing.get(0); 13974 if (DEBUG_PREFERRED) { 13975 Slog.i(TAG, "Checking replace of preferred:"); 13976 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13977 if (!cur.mPref.mAlways) { 13978 Slog.i(TAG, " -- CUR; not mAlways!"); 13979 } else { 13980 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13981 Slog.i(TAG, " -- CUR: mSet=" 13982 + Arrays.toString(cur.mPref.mSetComponents)); 13983 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13984 Slog.i(TAG, " -- NEW: mMatch=" 13985 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13986 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13987 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13988 } 13989 } 13990 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13991 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13992 && cur.mPref.sameSet(set)) { 13993 // Setting the preferred activity to what it happens to be already 13994 if (DEBUG_PREFERRED) { 13995 Slog.i(TAG, "Replacing with same preferred activity " 13996 + cur.mPref.mShortComponent + " for user " 13997 + userId + ":"); 13998 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13999 } 14000 return; 14001 } 14002 } 14003 14004 if (existing != null) { 14005 if (DEBUG_PREFERRED) { 14006 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14007 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14008 } 14009 for (int i = 0; i < existing.size(); i++) { 14010 PreferredActivity pa = existing.get(i); 14011 if (DEBUG_PREFERRED) { 14012 Slog.i(TAG, "Removing existing preferred activity " 14013 + pa.mPref.mComponent + ":"); 14014 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14015 } 14016 pir.removeFilter(pa); 14017 } 14018 } 14019 } 14020 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14021 "Replacing preferred"); 14022 } 14023 } 14024 14025 @Override 14026 public void clearPackagePreferredActivities(String packageName) { 14027 final int uid = Binder.getCallingUid(); 14028 // writer 14029 synchronized (mPackages) { 14030 PackageParser.Package pkg = mPackages.get(packageName); 14031 if (pkg == null || pkg.applicationInfo.uid != uid) { 14032 if (mContext.checkCallingOrSelfPermission( 14033 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14034 != PackageManager.PERMISSION_GRANTED) { 14035 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14036 < Build.VERSION_CODES.FROYO) { 14037 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14038 + Binder.getCallingUid()); 14039 return; 14040 } 14041 mContext.enforceCallingOrSelfPermission( 14042 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14043 } 14044 } 14045 14046 int user = UserHandle.getCallingUserId(); 14047 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14048 scheduleWritePackageRestrictionsLocked(user); 14049 } 14050 } 14051 } 14052 14053 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14054 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14055 ArrayList<PreferredActivity> removed = null; 14056 boolean changed = false; 14057 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14058 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14059 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14060 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14061 continue; 14062 } 14063 Iterator<PreferredActivity> it = pir.filterIterator(); 14064 while (it.hasNext()) { 14065 PreferredActivity pa = it.next(); 14066 // Mark entry for removal only if it matches the package name 14067 // and the entry is of type "always". 14068 if (packageName == null || 14069 (pa.mPref.mComponent.getPackageName().equals(packageName) 14070 && pa.mPref.mAlways)) { 14071 if (removed == null) { 14072 removed = new ArrayList<PreferredActivity>(); 14073 } 14074 removed.add(pa); 14075 } 14076 } 14077 if (removed != null) { 14078 for (int j=0; j<removed.size(); j++) { 14079 PreferredActivity pa = removed.get(j); 14080 pir.removeFilter(pa); 14081 } 14082 changed = true; 14083 } 14084 } 14085 return changed; 14086 } 14087 14088 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14089 private void clearIntentFilterVerificationsLPw(int userId) { 14090 final int packageCount = mPackages.size(); 14091 for (int i = 0; i < packageCount; i++) { 14092 PackageParser.Package pkg = mPackages.valueAt(i); 14093 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14094 } 14095 } 14096 14097 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14098 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14099 if (userId == UserHandle.USER_ALL) { 14100 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14101 sUserManager.getUserIds())) { 14102 for (int oneUserId : sUserManager.getUserIds()) { 14103 scheduleWritePackageRestrictionsLocked(oneUserId); 14104 } 14105 } 14106 } else { 14107 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14108 scheduleWritePackageRestrictionsLocked(userId); 14109 } 14110 } 14111 } 14112 14113 void clearDefaultBrowserIfNeeded(String packageName) { 14114 for (int oneUserId : sUserManager.getUserIds()) { 14115 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14116 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14117 if (packageName.equals(defaultBrowserPackageName)) { 14118 setDefaultBrowserPackageName(null, oneUserId); 14119 } 14120 } 14121 } 14122 14123 @Override 14124 public void resetApplicationPreferences(int userId) { 14125 mContext.enforceCallingOrSelfPermission( 14126 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14127 // writer 14128 synchronized (mPackages) { 14129 final long identity = Binder.clearCallingIdentity(); 14130 try { 14131 clearPackagePreferredActivitiesLPw(null, userId); 14132 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14133 // TODO: We have to reset the default SMS and Phone. This requires 14134 // significant refactoring to keep all default apps in the package 14135 // manager (cleaner but more work) or have the services provide 14136 // callbacks to the package manager to request a default app reset. 14137 applyFactoryDefaultBrowserLPw(userId); 14138 clearIntentFilterVerificationsLPw(userId); 14139 primeDomainVerificationsLPw(userId); 14140 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14141 scheduleWritePackageRestrictionsLocked(userId); 14142 } finally { 14143 Binder.restoreCallingIdentity(identity); 14144 } 14145 } 14146 } 14147 14148 @Override 14149 public int getPreferredActivities(List<IntentFilter> outFilters, 14150 List<ComponentName> outActivities, String packageName) { 14151 14152 int num = 0; 14153 final int userId = UserHandle.getCallingUserId(); 14154 // reader 14155 synchronized (mPackages) { 14156 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14157 if (pir != null) { 14158 final Iterator<PreferredActivity> it = pir.filterIterator(); 14159 while (it.hasNext()) { 14160 final PreferredActivity pa = it.next(); 14161 if (packageName == null 14162 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14163 && pa.mPref.mAlways)) { 14164 if (outFilters != null) { 14165 outFilters.add(new IntentFilter(pa)); 14166 } 14167 if (outActivities != null) { 14168 outActivities.add(pa.mPref.mComponent); 14169 } 14170 } 14171 } 14172 } 14173 } 14174 14175 return num; 14176 } 14177 14178 @Override 14179 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14180 int userId) { 14181 int callingUid = Binder.getCallingUid(); 14182 if (callingUid != Process.SYSTEM_UID) { 14183 throw new SecurityException( 14184 "addPersistentPreferredActivity can only be run by the system"); 14185 } 14186 if (filter.countActions() == 0) { 14187 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14188 return; 14189 } 14190 synchronized (mPackages) { 14191 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14192 " :"); 14193 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14194 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14195 new PersistentPreferredActivity(filter, activity)); 14196 scheduleWritePackageRestrictionsLocked(userId); 14197 } 14198 } 14199 14200 @Override 14201 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14202 int callingUid = Binder.getCallingUid(); 14203 if (callingUid != Process.SYSTEM_UID) { 14204 throw new SecurityException( 14205 "clearPackagePersistentPreferredActivities can only be run by the system"); 14206 } 14207 ArrayList<PersistentPreferredActivity> removed = null; 14208 boolean changed = false; 14209 synchronized (mPackages) { 14210 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14211 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14212 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14213 .valueAt(i); 14214 if (userId != thisUserId) { 14215 continue; 14216 } 14217 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14218 while (it.hasNext()) { 14219 PersistentPreferredActivity ppa = it.next(); 14220 // Mark entry for removal only if it matches the package name. 14221 if (ppa.mComponent.getPackageName().equals(packageName)) { 14222 if (removed == null) { 14223 removed = new ArrayList<PersistentPreferredActivity>(); 14224 } 14225 removed.add(ppa); 14226 } 14227 } 14228 if (removed != null) { 14229 for (int j=0; j<removed.size(); j++) { 14230 PersistentPreferredActivity ppa = removed.get(j); 14231 ppir.removeFilter(ppa); 14232 } 14233 changed = true; 14234 } 14235 } 14236 14237 if (changed) { 14238 scheduleWritePackageRestrictionsLocked(userId); 14239 } 14240 } 14241 } 14242 14243 /** 14244 * Common machinery for picking apart a restored XML blob and passing 14245 * it to a caller-supplied functor to be applied to the running system. 14246 */ 14247 private void restoreFromXml(XmlPullParser parser, int userId, 14248 String expectedStartTag, BlobXmlRestorer functor) 14249 throws IOException, XmlPullParserException { 14250 int type; 14251 while ((type = parser.next()) != XmlPullParser.START_TAG 14252 && type != XmlPullParser.END_DOCUMENT) { 14253 } 14254 if (type != XmlPullParser.START_TAG) { 14255 // oops didn't find a start tag?! 14256 if (DEBUG_BACKUP) { 14257 Slog.e(TAG, "Didn't find start tag during restore"); 14258 } 14259 return; 14260 } 14261 14262 // this is supposed to be TAG_PREFERRED_BACKUP 14263 if (!expectedStartTag.equals(parser.getName())) { 14264 if (DEBUG_BACKUP) { 14265 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14266 } 14267 return; 14268 } 14269 14270 // skip interfering stuff, then we're aligned with the backing implementation 14271 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14272 functor.apply(parser, userId); 14273 } 14274 14275 private interface BlobXmlRestorer { 14276 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14277 } 14278 14279 /** 14280 * Non-Binder method, support for the backup/restore mechanism: write the 14281 * full set of preferred activities in its canonical XML format. Returns the 14282 * XML output as a byte array, or null if there is none. 14283 */ 14284 @Override 14285 public byte[] getPreferredActivityBackup(int userId) { 14286 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14287 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14288 } 14289 14290 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14291 try { 14292 final XmlSerializer serializer = new FastXmlSerializer(); 14293 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14294 serializer.startDocument(null, true); 14295 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14296 14297 synchronized (mPackages) { 14298 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14299 } 14300 14301 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14302 serializer.endDocument(); 14303 serializer.flush(); 14304 } catch (Exception e) { 14305 if (DEBUG_BACKUP) { 14306 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14307 } 14308 return null; 14309 } 14310 14311 return dataStream.toByteArray(); 14312 } 14313 14314 @Override 14315 public void restorePreferredActivities(byte[] backup, int userId) { 14316 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14317 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14318 } 14319 14320 try { 14321 final XmlPullParser parser = Xml.newPullParser(); 14322 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14323 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14324 new BlobXmlRestorer() { 14325 @Override 14326 public void apply(XmlPullParser parser, int userId) 14327 throws XmlPullParserException, IOException { 14328 synchronized (mPackages) { 14329 mSettings.readPreferredActivitiesLPw(parser, userId); 14330 } 14331 } 14332 } ); 14333 } catch (Exception e) { 14334 if (DEBUG_BACKUP) { 14335 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14336 } 14337 } 14338 } 14339 14340 /** 14341 * Non-Binder method, support for the backup/restore mechanism: write the 14342 * default browser (etc) settings in its canonical XML format. Returns the default 14343 * browser XML representation as a byte array, or null if there is none. 14344 */ 14345 @Override 14346 public byte[] getDefaultAppsBackup(int userId) { 14347 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14348 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14349 } 14350 14351 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14352 try { 14353 final XmlSerializer serializer = new FastXmlSerializer(); 14354 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14355 serializer.startDocument(null, true); 14356 serializer.startTag(null, TAG_DEFAULT_APPS); 14357 14358 synchronized (mPackages) { 14359 mSettings.writeDefaultAppsLPr(serializer, userId); 14360 } 14361 14362 serializer.endTag(null, TAG_DEFAULT_APPS); 14363 serializer.endDocument(); 14364 serializer.flush(); 14365 } catch (Exception e) { 14366 if (DEBUG_BACKUP) { 14367 Slog.e(TAG, "Unable to write default apps for backup", e); 14368 } 14369 return null; 14370 } 14371 14372 return dataStream.toByteArray(); 14373 } 14374 14375 @Override 14376 public void restoreDefaultApps(byte[] backup, int userId) { 14377 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14378 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14379 } 14380 14381 try { 14382 final XmlPullParser parser = Xml.newPullParser(); 14383 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14384 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14385 new BlobXmlRestorer() { 14386 @Override 14387 public void apply(XmlPullParser parser, int userId) 14388 throws XmlPullParserException, IOException { 14389 synchronized (mPackages) { 14390 mSettings.readDefaultAppsLPw(parser, userId); 14391 } 14392 } 14393 } ); 14394 } catch (Exception e) { 14395 if (DEBUG_BACKUP) { 14396 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14397 } 14398 } 14399 } 14400 14401 @Override 14402 public byte[] getIntentFilterVerificationBackup(int userId) { 14403 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14404 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14405 } 14406 14407 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14408 try { 14409 final XmlSerializer serializer = new FastXmlSerializer(); 14410 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14411 serializer.startDocument(null, true); 14412 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14413 14414 synchronized (mPackages) { 14415 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14416 } 14417 14418 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14419 serializer.endDocument(); 14420 serializer.flush(); 14421 } catch (Exception e) { 14422 if (DEBUG_BACKUP) { 14423 Slog.e(TAG, "Unable to write default apps for backup", e); 14424 } 14425 return null; 14426 } 14427 14428 return dataStream.toByteArray(); 14429 } 14430 14431 @Override 14432 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14433 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14434 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14435 } 14436 14437 try { 14438 final XmlPullParser parser = Xml.newPullParser(); 14439 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14440 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14441 new BlobXmlRestorer() { 14442 @Override 14443 public void apply(XmlPullParser parser, int userId) 14444 throws XmlPullParserException, IOException { 14445 synchronized (mPackages) { 14446 mSettings.readAllDomainVerificationsLPr(parser, userId); 14447 mSettings.writeLPr(); 14448 } 14449 } 14450 } ); 14451 } catch (Exception e) { 14452 if (DEBUG_BACKUP) { 14453 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14454 } 14455 } 14456 } 14457 14458 @Override 14459 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14460 int sourceUserId, int targetUserId, int flags) { 14461 mContext.enforceCallingOrSelfPermission( 14462 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14463 int callingUid = Binder.getCallingUid(); 14464 enforceOwnerRights(ownerPackage, callingUid); 14465 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14466 if (intentFilter.countActions() == 0) { 14467 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14468 return; 14469 } 14470 synchronized (mPackages) { 14471 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14472 ownerPackage, targetUserId, flags); 14473 CrossProfileIntentResolver resolver = 14474 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14475 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14476 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14477 if (existing != null) { 14478 int size = existing.size(); 14479 for (int i = 0; i < size; i++) { 14480 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14481 return; 14482 } 14483 } 14484 } 14485 resolver.addFilter(newFilter); 14486 scheduleWritePackageRestrictionsLocked(sourceUserId); 14487 } 14488 } 14489 14490 @Override 14491 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14492 mContext.enforceCallingOrSelfPermission( 14493 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14494 int callingUid = Binder.getCallingUid(); 14495 enforceOwnerRights(ownerPackage, callingUid); 14496 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14497 synchronized (mPackages) { 14498 CrossProfileIntentResolver resolver = 14499 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14500 ArraySet<CrossProfileIntentFilter> set = 14501 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14502 for (CrossProfileIntentFilter filter : set) { 14503 if (filter.getOwnerPackage().equals(ownerPackage)) { 14504 resolver.removeFilter(filter); 14505 } 14506 } 14507 scheduleWritePackageRestrictionsLocked(sourceUserId); 14508 } 14509 } 14510 14511 // Enforcing that callingUid is owning pkg on userId 14512 private void enforceOwnerRights(String pkg, int callingUid) { 14513 // The system owns everything. 14514 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14515 return; 14516 } 14517 int callingUserId = UserHandle.getUserId(callingUid); 14518 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14519 if (pi == null) { 14520 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14521 + callingUserId); 14522 } 14523 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14524 throw new SecurityException("Calling uid " + callingUid 14525 + " does not own package " + pkg); 14526 } 14527 } 14528 14529 @Override 14530 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14531 Intent intent = new Intent(Intent.ACTION_MAIN); 14532 intent.addCategory(Intent.CATEGORY_HOME); 14533 14534 final int callingUserId = UserHandle.getCallingUserId(); 14535 List<ResolveInfo> list = queryIntentActivities(intent, null, 14536 PackageManager.GET_META_DATA, callingUserId); 14537 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14538 true, false, false, callingUserId); 14539 14540 allHomeCandidates.clear(); 14541 if (list != null) { 14542 for (ResolveInfo ri : list) { 14543 allHomeCandidates.add(ri); 14544 } 14545 } 14546 return (preferred == null || preferred.activityInfo == null) 14547 ? null 14548 : new ComponentName(preferred.activityInfo.packageName, 14549 preferred.activityInfo.name); 14550 } 14551 14552 @Override 14553 public void setApplicationEnabledSetting(String appPackageName, 14554 int newState, int flags, int userId, String callingPackage) { 14555 if (!sUserManager.exists(userId)) return; 14556 if (callingPackage == null) { 14557 callingPackage = Integer.toString(Binder.getCallingUid()); 14558 } 14559 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14560 } 14561 14562 @Override 14563 public void setComponentEnabledSetting(ComponentName componentName, 14564 int newState, int flags, int userId) { 14565 if (!sUserManager.exists(userId)) return; 14566 setEnabledSetting(componentName.getPackageName(), 14567 componentName.getClassName(), newState, flags, userId, null); 14568 } 14569 14570 private void setEnabledSetting(final String packageName, String className, int newState, 14571 final int flags, int userId, String callingPackage) { 14572 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14573 || newState == COMPONENT_ENABLED_STATE_ENABLED 14574 || newState == COMPONENT_ENABLED_STATE_DISABLED 14575 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14576 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14577 throw new IllegalArgumentException("Invalid new component state: " 14578 + newState); 14579 } 14580 PackageSetting pkgSetting; 14581 final int uid = Binder.getCallingUid(); 14582 final int permission = mContext.checkCallingOrSelfPermission( 14583 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14584 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14585 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14586 boolean sendNow = false; 14587 boolean isApp = (className == null); 14588 String componentName = isApp ? packageName : className; 14589 int packageUid = -1; 14590 ArrayList<String> components; 14591 14592 // writer 14593 synchronized (mPackages) { 14594 pkgSetting = mSettings.mPackages.get(packageName); 14595 if (pkgSetting == null) { 14596 if (className == null) { 14597 throw new IllegalArgumentException( 14598 "Unknown package: " + packageName); 14599 } 14600 throw new IllegalArgumentException( 14601 "Unknown component: " + packageName 14602 + "/" + className); 14603 } 14604 // Allow root and verify that userId is not being specified by a different user 14605 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14606 throw new SecurityException( 14607 "Permission Denial: attempt to change component state from pid=" 14608 + Binder.getCallingPid() 14609 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14610 } 14611 if (className == null) { 14612 // We're dealing with an application/package level state change 14613 if (pkgSetting.getEnabled(userId) == newState) { 14614 // Nothing to do 14615 return; 14616 } 14617 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14618 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14619 // Don't care about who enables an app. 14620 callingPackage = null; 14621 } 14622 pkgSetting.setEnabled(newState, userId, callingPackage); 14623 // pkgSetting.pkg.mSetEnabled = newState; 14624 } else { 14625 // We're dealing with a component level state change 14626 // First, verify that this is a valid class name. 14627 PackageParser.Package pkg = pkgSetting.pkg; 14628 if (pkg == null || !pkg.hasComponentClassName(className)) { 14629 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14630 throw new IllegalArgumentException("Component class " + className 14631 + " does not exist in " + packageName); 14632 } else { 14633 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14634 + className + " does not exist in " + packageName); 14635 } 14636 } 14637 switch (newState) { 14638 case COMPONENT_ENABLED_STATE_ENABLED: 14639 if (!pkgSetting.enableComponentLPw(className, userId)) { 14640 return; 14641 } 14642 break; 14643 case COMPONENT_ENABLED_STATE_DISABLED: 14644 if (!pkgSetting.disableComponentLPw(className, userId)) { 14645 return; 14646 } 14647 break; 14648 case COMPONENT_ENABLED_STATE_DEFAULT: 14649 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14650 return; 14651 } 14652 break; 14653 default: 14654 Slog.e(TAG, "Invalid new component state: " + newState); 14655 return; 14656 } 14657 } 14658 scheduleWritePackageRestrictionsLocked(userId); 14659 components = mPendingBroadcasts.get(userId, packageName); 14660 final boolean newPackage = components == null; 14661 if (newPackage) { 14662 components = new ArrayList<String>(); 14663 } 14664 if (!components.contains(componentName)) { 14665 components.add(componentName); 14666 } 14667 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14668 sendNow = true; 14669 // Purge entry from pending broadcast list if another one exists already 14670 // since we are sending one right away. 14671 mPendingBroadcasts.remove(userId, packageName); 14672 } else { 14673 if (newPackage) { 14674 mPendingBroadcasts.put(userId, packageName, components); 14675 } 14676 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14677 // Schedule a message 14678 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14679 } 14680 } 14681 } 14682 14683 long callingId = Binder.clearCallingIdentity(); 14684 try { 14685 if (sendNow) { 14686 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14687 sendPackageChangedBroadcast(packageName, 14688 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14689 } 14690 } finally { 14691 Binder.restoreCallingIdentity(callingId); 14692 } 14693 } 14694 14695 private void sendPackageChangedBroadcast(String packageName, 14696 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14697 if (DEBUG_INSTALL) 14698 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14699 + componentNames); 14700 Bundle extras = new Bundle(4); 14701 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14702 String nameList[] = new String[componentNames.size()]; 14703 componentNames.toArray(nameList); 14704 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14705 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14706 extras.putInt(Intent.EXTRA_UID, packageUid); 14707 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14708 new int[] {UserHandle.getUserId(packageUid)}); 14709 } 14710 14711 @Override 14712 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14713 if (!sUserManager.exists(userId)) return; 14714 final int uid = Binder.getCallingUid(); 14715 final int permission = mContext.checkCallingOrSelfPermission( 14716 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14717 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14718 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14719 // writer 14720 synchronized (mPackages) { 14721 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14722 allowedByPermission, uid, userId)) { 14723 scheduleWritePackageRestrictionsLocked(userId); 14724 } 14725 } 14726 } 14727 14728 @Override 14729 public String getInstallerPackageName(String packageName) { 14730 // reader 14731 synchronized (mPackages) { 14732 return mSettings.getInstallerPackageNameLPr(packageName); 14733 } 14734 } 14735 14736 @Override 14737 public int getApplicationEnabledSetting(String packageName, int userId) { 14738 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14739 int uid = Binder.getCallingUid(); 14740 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14741 // reader 14742 synchronized (mPackages) { 14743 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14744 } 14745 } 14746 14747 @Override 14748 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14749 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14750 int uid = Binder.getCallingUid(); 14751 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14752 // reader 14753 synchronized (mPackages) { 14754 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14755 } 14756 } 14757 14758 @Override 14759 public void enterSafeMode() { 14760 enforceSystemOrRoot("Only the system can request entering safe mode"); 14761 14762 if (!mSystemReady) { 14763 mSafeMode = true; 14764 } 14765 } 14766 14767 @Override 14768 public void systemReady() { 14769 mSystemReady = true; 14770 14771 // Read the compatibilty setting when the system is ready. 14772 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14773 mContext.getContentResolver(), 14774 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14775 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14776 if (DEBUG_SETTINGS) { 14777 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14778 } 14779 14780 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14781 14782 synchronized (mPackages) { 14783 // Verify that all of the preferred activity components actually 14784 // exist. It is possible for applications to be updated and at 14785 // that point remove a previously declared activity component that 14786 // had been set as a preferred activity. We try to clean this up 14787 // the next time we encounter that preferred activity, but it is 14788 // possible for the user flow to never be able to return to that 14789 // situation so here we do a sanity check to make sure we haven't 14790 // left any junk around. 14791 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14792 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14793 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14794 removed.clear(); 14795 for (PreferredActivity pa : pir.filterSet()) { 14796 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14797 removed.add(pa); 14798 } 14799 } 14800 if (removed.size() > 0) { 14801 for (int r=0; r<removed.size(); r++) { 14802 PreferredActivity pa = removed.get(r); 14803 Slog.w(TAG, "Removing dangling preferred activity: " 14804 + pa.mPref.mComponent); 14805 pir.removeFilter(pa); 14806 } 14807 mSettings.writePackageRestrictionsLPr( 14808 mSettings.mPreferredActivities.keyAt(i)); 14809 } 14810 } 14811 14812 for (int userId : UserManagerService.getInstance().getUserIds()) { 14813 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14814 grantPermissionsUserIds = ArrayUtils.appendInt( 14815 grantPermissionsUserIds, userId); 14816 } 14817 } 14818 } 14819 sUserManager.systemReady(); 14820 14821 // If we upgraded grant all default permissions before kicking off. 14822 for (int userId : grantPermissionsUserIds) { 14823 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14824 } 14825 14826 // Kick off any messages waiting for system ready 14827 if (mPostSystemReadyMessages != null) { 14828 for (Message msg : mPostSystemReadyMessages) { 14829 msg.sendToTarget(); 14830 } 14831 mPostSystemReadyMessages = null; 14832 } 14833 14834 // Watch for external volumes that come and go over time 14835 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14836 storage.registerListener(mStorageListener); 14837 14838 mInstallerService.systemReady(); 14839 mPackageDexOptimizer.systemReady(); 14840 14841 MountServiceInternal mountServiceInternal = LocalServices.getService( 14842 MountServiceInternal.class); 14843 mountServiceInternal.addExternalStoragePolicy( 14844 new MountServiceInternal.ExternalStorageMountPolicy() { 14845 @Override 14846 public int getMountMode(int uid, String packageName) { 14847 if (Process.isIsolated(uid)) { 14848 return Zygote.MOUNT_EXTERNAL_NONE; 14849 } 14850 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14851 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14852 } 14853 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14854 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14855 } 14856 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14857 return Zygote.MOUNT_EXTERNAL_READ; 14858 } 14859 return Zygote.MOUNT_EXTERNAL_WRITE; 14860 } 14861 14862 @Override 14863 public boolean hasExternalStorage(int uid, String packageName) { 14864 return true; 14865 } 14866 }); 14867 } 14868 14869 @Override 14870 public boolean isSafeMode() { 14871 return mSafeMode; 14872 } 14873 14874 @Override 14875 public boolean hasSystemUidErrors() { 14876 return mHasSystemUidErrors; 14877 } 14878 14879 static String arrayToString(int[] array) { 14880 StringBuffer buf = new StringBuffer(128); 14881 buf.append('['); 14882 if (array != null) { 14883 for (int i=0; i<array.length; i++) { 14884 if (i > 0) buf.append(", "); 14885 buf.append(array[i]); 14886 } 14887 } 14888 buf.append(']'); 14889 return buf.toString(); 14890 } 14891 14892 static class DumpState { 14893 public static final int DUMP_LIBS = 1 << 0; 14894 public static final int DUMP_FEATURES = 1 << 1; 14895 public static final int DUMP_RESOLVERS = 1 << 2; 14896 public static final int DUMP_PERMISSIONS = 1 << 3; 14897 public static final int DUMP_PACKAGES = 1 << 4; 14898 public static final int DUMP_SHARED_USERS = 1 << 5; 14899 public static final int DUMP_MESSAGES = 1 << 6; 14900 public static final int DUMP_PROVIDERS = 1 << 7; 14901 public static final int DUMP_VERIFIERS = 1 << 8; 14902 public static final int DUMP_PREFERRED = 1 << 9; 14903 public static final int DUMP_PREFERRED_XML = 1 << 10; 14904 public static final int DUMP_KEYSETS = 1 << 11; 14905 public static final int DUMP_VERSION = 1 << 12; 14906 public static final int DUMP_INSTALLS = 1 << 13; 14907 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14908 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14909 14910 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14911 14912 private int mTypes; 14913 14914 private int mOptions; 14915 14916 private boolean mTitlePrinted; 14917 14918 private SharedUserSetting mSharedUser; 14919 14920 public boolean isDumping(int type) { 14921 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14922 return true; 14923 } 14924 14925 return (mTypes & type) != 0; 14926 } 14927 14928 public void setDump(int type) { 14929 mTypes |= type; 14930 } 14931 14932 public boolean isOptionEnabled(int option) { 14933 return (mOptions & option) != 0; 14934 } 14935 14936 public void setOptionEnabled(int option) { 14937 mOptions |= option; 14938 } 14939 14940 public boolean onTitlePrinted() { 14941 final boolean printed = mTitlePrinted; 14942 mTitlePrinted = true; 14943 return printed; 14944 } 14945 14946 public boolean getTitlePrinted() { 14947 return mTitlePrinted; 14948 } 14949 14950 public void setTitlePrinted(boolean enabled) { 14951 mTitlePrinted = enabled; 14952 } 14953 14954 public SharedUserSetting getSharedUser() { 14955 return mSharedUser; 14956 } 14957 14958 public void setSharedUser(SharedUserSetting user) { 14959 mSharedUser = user; 14960 } 14961 } 14962 14963 @Override 14964 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14965 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14966 != PackageManager.PERMISSION_GRANTED) { 14967 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14968 + Binder.getCallingPid() 14969 + ", uid=" + Binder.getCallingUid() 14970 + " without permission " 14971 + android.Manifest.permission.DUMP); 14972 return; 14973 } 14974 14975 DumpState dumpState = new DumpState(); 14976 boolean fullPreferred = false; 14977 boolean checkin = false; 14978 14979 String packageName = null; 14980 ArraySet<String> permissionNames = null; 14981 14982 int opti = 0; 14983 while (opti < args.length) { 14984 String opt = args[opti]; 14985 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14986 break; 14987 } 14988 opti++; 14989 14990 if ("-a".equals(opt)) { 14991 // Right now we only know how to print all. 14992 } else if ("-h".equals(opt)) { 14993 pw.println("Package manager dump options:"); 14994 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14995 pw.println(" --checkin: dump for a checkin"); 14996 pw.println(" -f: print details of intent filters"); 14997 pw.println(" -h: print this help"); 14998 pw.println(" cmd may be one of:"); 14999 pw.println(" l[ibraries]: list known shared libraries"); 15000 pw.println(" f[ibraries]: list device features"); 15001 pw.println(" k[eysets]: print known keysets"); 15002 pw.println(" r[esolvers]: dump intent resolvers"); 15003 pw.println(" perm[issions]: dump permissions"); 15004 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15005 pw.println(" pref[erred]: print preferred package settings"); 15006 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15007 pw.println(" prov[iders]: dump content providers"); 15008 pw.println(" p[ackages]: dump installed packages"); 15009 pw.println(" s[hared-users]: dump shared user IDs"); 15010 pw.println(" m[essages]: print collected runtime messages"); 15011 pw.println(" v[erifiers]: print package verifier info"); 15012 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15013 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15014 pw.println(" version: print database version info"); 15015 pw.println(" write: write current settings now"); 15016 pw.println(" installs: details about install sessions"); 15017 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15018 pw.println(" <package.name>: info about given package"); 15019 return; 15020 } else if ("--checkin".equals(opt)) { 15021 checkin = true; 15022 } else if ("-f".equals(opt)) { 15023 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15024 } else { 15025 pw.println("Unknown argument: " + opt + "; use -h for help"); 15026 } 15027 } 15028 15029 // Is the caller requesting to dump a particular piece of data? 15030 if (opti < args.length) { 15031 String cmd = args[opti]; 15032 opti++; 15033 // Is this a package name? 15034 if ("android".equals(cmd) || cmd.contains(".")) { 15035 packageName = cmd; 15036 // When dumping a single package, we always dump all of its 15037 // filter information since the amount of data will be reasonable. 15038 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15039 } else if ("check-permission".equals(cmd)) { 15040 if (opti >= args.length) { 15041 pw.println("Error: check-permission missing permission argument"); 15042 return; 15043 } 15044 String perm = args[opti]; 15045 opti++; 15046 if (opti >= args.length) { 15047 pw.println("Error: check-permission missing package argument"); 15048 return; 15049 } 15050 String pkg = args[opti]; 15051 opti++; 15052 int user = UserHandle.getUserId(Binder.getCallingUid()); 15053 if (opti < args.length) { 15054 try { 15055 user = Integer.parseInt(args[opti]); 15056 } catch (NumberFormatException e) { 15057 pw.println("Error: check-permission user argument is not a number: " 15058 + args[opti]); 15059 return; 15060 } 15061 } 15062 pw.println(checkPermission(perm, pkg, user)); 15063 return; 15064 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15065 dumpState.setDump(DumpState.DUMP_LIBS); 15066 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15067 dumpState.setDump(DumpState.DUMP_FEATURES); 15068 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15069 dumpState.setDump(DumpState.DUMP_RESOLVERS); 15070 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15071 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15072 } else if ("permission".equals(cmd)) { 15073 if (opti >= args.length) { 15074 pw.println("Error: permission requires permission name"); 15075 return; 15076 } 15077 permissionNames = new ArraySet<>(); 15078 while (opti < args.length) { 15079 permissionNames.add(args[opti]); 15080 opti++; 15081 } 15082 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15083 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15084 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15085 dumpState.setDump(DumpState.DUMP_PREFERRED); 15086 } else if ("preferred-xml".equals(cmd)) { 15087 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15088 if (opti < args.length && "--full".equals(args[opti])) { 15089 fullPreferred = true; 15090 opti++; 15091 } 15092 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15093 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15094 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15095 dumpState.setDump(DumpState.DUMP_PACKAGES); 15096 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15097 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15098 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15099 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15100 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15101 dumpState.setDump(DumpState.DUMP_MESSAGES); 15102 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15103 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15104 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15105 || "intent-filter-verifiers".equals(cmd)) { 15106 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15107 } else if ("version".equals(cmd)) { 15108 dumpState.setDump(DumpState.DUMP_VERSION); 15109 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15110 dumpState.setDump(DumpState.DUMP_KEYSETS); 15111 } else if ("installs".equals(cmd)) { 15112 dumpState.setDump(DumpState.DUMP_INSTALLS); 15113 } else if ("write".equals(cmd)) { 15114 synchronized (mPackages) { 15115 mSettings.writeLPr(); 15116 pw.println("Settings written."); 15117 return; 15118 } 15119 } 15120 } 15121 15122 if (checkin) { 15123 pw.println("vers,1"); 15124 } 15125 15126 // reader 15127 synchronized (mPackages) { 15128 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15129 if (!checkin) { 15130 if (dumpState.onTitlePrinted()) 15131 pw.println(); 15132 pw.println("Database versions:"); 15133 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15134 } 15135 } 15136 15137 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15138 if (!checkin) { 15139 if (dumpState.onTitlePrinted()) 15140 pw.println(); 15141 pw.println("Verifiers:"); 15142 pw.print(" Required: "); 15143 pw.print(mRequiredVerifierPackage); 15144 pw.print(" (uid="); 15145 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15146 pw.println(")"); 15147 } else if (mRequiredVerifierPackage != null) { 15148 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15149 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15150 } 15151 } 15152 15153 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15154 packageName == null) { 15155 if (mIntentFilterVerifierComponent != null) { 15156 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15157 if (!checkin) { 15158 if (dumpState.onTitlePrinted()) 15159 pw.println(); 15160 pw.println("Intent Filter Verifier:"); 15161 pw.print(" Using: "); 15162 pw.print(verifierPackageName); 15163 pw.print(" (uid="); 15164 pw.print(getPackageUid(verifierPackageName, 0)); 15165 pw.println(")"); 15166 } else if (verifierPackageName != null) { 15167 pw.print("ifv,"); pw.print(verifierPackageName); 15168 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15169 } 15170 } else { 15171 pw.println(); 15172 pw.println("No Intent Filter Verifier available!"); 15173 } 15174 } 15175 15176 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15177 boolean printedHeader = false; 15178 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15179 while (it.hasNext()) { 15180 String name = it.next(); 15181 SharedLibraryEntry ent = mSharedLibraries.get(name); 15182 if (!checkin) { 15183 if (!printedHeader) { 15184 if (dumpState.onTitlePrinted()) 15185 pw.println(); 15186 pw.println("Libraries:"); 15187 printedHeader = true; 15188 } 15189 pw.print(" "); 15190 } else { 15191 pw.print("lib,"); 15192 } 15193 pw.print(name); 15194 if (!checkin) { 15195 pw.print(" -> "); 15196 } 15197 if (ent.path != null) { 15198 if (!checkin) { 15199 pw.print("(jar) "); 15200 pw.print(ent.path); 15201 } else { 15202 pw.print(",jar,"); 15203 pw.print(ent.path); 15204 } 15205 } else { 15206 if (!checkin) { 15207 pw.print("(apk) "); 15208 pw.print(ent.apk); 15209 } else { 15210 pw.print(",apk,"); 15211 pw.print(ent.apk); 15212 } 15213 } 15214 pw.println(); 15215 } 15216 } 15217 15218 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15219 if (dumpState.onTitlePrinted()) 15220 pw.println(); 15221 if (!checkin) { 15222 pw.println("Features:"); 15223 } 15224 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15225 while (it.hasNext()) { 15226 String name = it.next(); 15227 if (!checkin) { 15228 pw.print(" "); 15229 } else { 15230 pw.print("feat,"); 15231 } 15232 pw.println(name); 15233 } 15234 } 15235 15236 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15237 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15238 : "Activity Resolver Table:", " ", packageName, 15239 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15240 dumpState.setTitlePrinted(true); 15241 } 15242 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15243 : "Receiver Resolver Table:", " ", packageName, 15244 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15245 dumpState.setTitlePrinted(true); 15246 } 15247 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15248 : "Service Resolver Table:", " ", packageName, 15249 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15250 dumpState.setTitlePrinted(true); 15251 } 15252 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15253 : "Provider Resolver Table:", " ", packageName, 15254 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15255 dumpState.setTitlePrinted(true); 15256 } 15257 } 15258 15259 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15260 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15261 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15262 int user = mSettings.mPreferredActivities.keyAt(i); 15263 if (pir.dump(pw, 15264 dumpState.getTitlePrinted() 15265 ? "\nPreferred Activities User " + user + ":" 15266 : "Preferred Activities User " + user + ":", " ", 15267 packageName, true, false)) { 15268 dumpState.setTitlePrinted(true); 15269 } 15270 } 15271 } 15272 15273 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15274 pw.flush(); 15275 FileOutputStream fout = new FileOutputStream(fd); 15276 BufferedOutputStream str = new BufferedOutputStream(fout); 15277 XmlSerializer serializer = new FastXmlSerializer(); 15278 try { 15279 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15280 serializer.startDocument(null, true); 15281 serializer.setFeature( 15282 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15283 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15284 serializer.endDocument(); 15285 serializer.flush(); 15286 } catch (IllegalArgumentException e) { 15287 pw.println("Failed writing: " + e); 15288 } catch (IllegalStateException e) { 15289 pw.println("Failed writing: " + e); 15290 } catch (IOException e) { 15291 pw.println("Failed writing: " + e); 15292 } 15293 } 15294 15295 if (!checkin 15296 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15297 && packageName == null) { 15298 pw.println(); 15299 int count = mSettings.mPackages.size(); 15300 if (count == 0) { 15301 pw.println("No applications!"); 15302 pw.println(); 15303 } else { 15304 final String prefix = " "; 15305 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15306 if (allPackageSettings.size() == 0) { 15307 pw.println("No domain preferred apps!"); 15308 pw.println(); 15309 } else { 15310 pw.println("App verification status:"); 15311 pw.println(); 15312 count = 0; 15313 for (PackageSetting ps : allPackageSettings) { 15314 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15315 if (ivi == null || ivi.getPackageName() == null) continue; 15316 pw.println(prefix + "Package: " + ivi.getPackageName()); 15317 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15318 pw.println(prefix + "Status: " + ivi.getStatusString()); 15319 pw.println(); 15320 count++; 15321 } 15322 if (count == 0) { 15323 pw.println(prefix + "No app verification established."); 15324 pw.println(); 15325 } 15326 for (int userId : sUserManager.getUserIds()) { 15327 pw.println("App linkages for user " + userId + ":"); 15328 pw.println(); 15329 count = 0; 15330 for (PackageSetting ps : allPackageSettings) { 15331 final long status = ps.getDomainVerificationStatusForUser(userId); 15332 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15333 continue; 15334 } 15335 pw.println(prefix + "Package: " + ps.name); 15336 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15337 String statusStr = IntentFilterVerificationInfo. 15338 getStatusStringFromValue(status); 15339 pw.println(prefix + "Status: " + statusStr); 15340 pw.println(); 15341 count++; 15342 } 15343 if (count == 0) { 15344 pw.println(prefix + "No configured app linkages."); 15345 pw.println(); 15346 } 15347 } 15348 } 15349 } 15350 } 15351 15352 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15353 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15354 if (packageName == null && permissionNames == null) { 15355 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15356 if (iperm == 0) { 15357 if (dumpState.onTitlePrinted()) 15358 pw.println(); 15359 pw.println("AppOp Permissions:"); 15360 } 15361 pw.print(" AppOp Permission "); 15362 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15363 pw.println(":"); 15364 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15365 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15366 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15367 } 15368 } 15369 } 15370 } 15371 15372 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15373 boolean printedSomething = false; 15374 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15375 if (packageName != null && !packageName.equals(p.info.packageName)) { 15376 continue; 15377 } 15378 if (!printedSomething) { 15379 if (dumpState.onTitlePrinted()) 15380 pw.println(); 15381 pw.println("Registered ContentProviders:"); 15382 printedSomething = true; 15383 } 15384 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15385 pw.print(" "); pw.println(p.toString()); 15386 } 15387 printedSomething = false; 15388 for (Map.Entry<String, PackageParser.Provider> entry : 15389 mProvidersByAuthority.entrySet()) { 15390 PackageParser.Provider p = entry.getValue(); 15391 if (packageName != null && !packageName.equals(p.info.packageName)) { 15392 continue; 15393 } 15394 if (!printedSomething) { 15395 if (dumpState.onTitlePrinted()) 15396 pw.println(); 15397 pw.println("ContentProvider Authorities:"); 15398 printedSomething = true; 15399 } 15400 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15401 pw.print(" "); pw.println(p.toString()); 15402 if (p.info != null && p.info.applicationInfo != null) { 15403 final String appInfo = p.info.applicationInfo.toString(); 15404 pw.print(" applicationInfo="); pw.println(appInfo); 15405 } 15406 } 15407 } 15408 15409 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15410 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15411 } 15412 15413 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15414 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15415 } 15416 15417 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15418 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15419 } 15420 15421 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15422 // XXX should handle packageName != null by dumping only install data that 15423 // the given package is involved with. 15424 if (dumpState.onTitlePrinted()) pw.println(); 15425 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15426 } 15427 15428 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15429 if (dumpState.onTitlePrinted()) pw.println(); 15430 mSettings.dumpReadMessagesLPr(pw, dumpState); 15431 15432 pw.println(); 15433 pw.println("Package warning messages:"); 15434 BufferedReader in = null; 15435 String line = null; 15436 try { 15437 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15438 while ((line = in.readLine()) != null) { 15439 if (line.contains("ignored: updated version")) continue; 15440 pw.println(line); 15441 } 15442 } catch (IOException ignored) { 15443 } finally { 15444 IoUtils.closeQuietly(in); 15445 } 15446 } 15447 15448 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15449 BufferedReader in = null; 15450 String line = null; 15451 try { 15452 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15453 while ((line = in.readLine()) != null) { 15454 if (line.contains("ignored: updated version")) continue; 15455 pw.print("msg,"); 15456 pw.println(line); 15457 } 15458 } catch (IOException ignored) { 15459 } finally { 15460 IoUtils.closeQuietly(in); 15461 } 15462 } 15463 } 15464 } 15465 15466 private String dumpDomainString(String packageName) { 15467 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15468 List<IntentFilter> filters = getAllIntentFilters(packageName); 15469 15470 ArraySet<String> result = new ArraySet<>(); 15471 if (iviList.size() > 0) { 15472 for (IntentFilterVerificationInfo ivi : iviList) { 15473 for (String host : ivi.getDomains()) { 15474 result.add(host); 15475 } 15476 } 15477 } 15478 if (filters != null && filters.size() > 0) { 15479 for (IntentFilter filter : filters) { 15480 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15481 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15482 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15483 result.addAll(filter.getHostsList()); 15484 } 15485 } 15486 } 15487 15488 StringBuilder sb = new StringBuilder(result.size() * 16); 15489 for (String domain : result) { 15490 if (sb.length() > 0) sb.append(" "); 15491 sb.append(domain); 15492 } 15493 return sb.toString(); 15494 } 15495 15496 // ------- apps on sdcard specific code ------- 15497 static final boolean DEBUG_SD_INSTALL = false; 15498 15499 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15500 15501 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15502 15503 private boolean mMediaMounted = false; 15504 15505 static String getEncryptKey() { 15506 try { 15507 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15508 SD_ENCRYPTION_KEYSTORE_NAME); 15509 if (sdEncKey == null) { 15510 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15511 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15512 if (sdEncKey == null) { 15513 Slog.e(TAG, "Failed to create encryption keys"); 15514 return null; 15515 } 15516 } 15517 return sdEncKey; 15518 } catch (NoSuchAlgorithmException nsae) { 15519 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15520 return null; 15521 } catch (IOException ioe) { 15522 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15523 return null; 15524 } 15525 } 15526 15527 /* 15528 * Update media status on PackageManager. 15529 */ 15530 @Override 15531 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15532 int callingUid = Binder.getCallingUid(); 15533 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15534 throw new SecurityException("Media status can only be updated by the system"); 15535 } 15536 // reader; this apparently protects mMediaMounted, but should probably 15537 // be a different lock in that case. 15538 synchronized (mPackages) { 15539 Log.i(TAG, "Updating external media status from " 15540 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15541 + (mediaStatus ? "mounted" : "unmounted")); 15542 if (DEBUG_SD_INSTALL) 15543 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15544 + ", mMediaMounted=" + mMediaMounted); 15545 if (mediaStatus == mMediaMounted) { 15546 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15547 : 0, -1); 15548 mHandler.sendMessage(msg); 15549 return; 15550 } 15551 mMediaMounted = mediaStatus; 15552 } 15553 // Queue up an async operation since the package installation may take a 15554 // little while. 15555 mHandler.post(new Runnable() { 15556 public void run() { 15557 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15558 } 15559 }); 15560 } 15561 15562 /** 15563 * Called by MountService when the initial ASECs to scan are available. 15564 * Should block until all the ASEC containers are finished being scanned. 15565 */ 15566 public void scanAvailableAsecs() { 15567 updateExternalMediaStatusInner(true, false, false); 15568 if (mShouldRestoreconData) { 15569 SELinuxMMAC.setRestoreconDone(); 15570 mShouldRestoreconData = false; 15571 } 15572 } 15573 15574 /* 15575 * Collect information of applications on external media, map them against 15576 * existing containers and update information based on current mount status. 15577 * Please note that we always have to report status if reportStatus has been 15578 * set to true especially when unloading packages. 15579 */ 15580 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15581 boolean externalStorage) { 15582 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15583 int[] uidArr = EmptyArray.INT; 15584 15585 final String[] list = PackageHelper.getSecureContainerList(); 15586 if (ArrayUtils.isEmpty(list)) { 15587 Log.i(TAG, "No secure containers found"); 15588 } else { 15589 // Process list of secure containers and categorize them 15590 // as active or stale based on their package internal state. 15591 15592 // reader 15593 synchronized (mPackages) { 15594 for (String cid : list) { 15595 // Leave stages untouched for now; installer service owns them 15596 if (PackageInstallerService.isStageName(cid)) continue; 15597 15598 if (DEBUG_SD_INSTALL) 15599 Log.i(TAG, "Processing container " + cid); 15600 String pkgName = getAsecPackageName(cid); 15601 if (pkgName == null) { 15602 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15603 continue; 15604 } 15605 if (DEBUG_SD_INSTALL) 15606 Log.i(TAG, "Looking for pkg : " + pkgName); 15607 15608 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15609 if (ps == null) { 15610 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15611 continue; 15612 } 15613 15614 /* 15615 * Skip packages that are not external if we're unmounting 15616 * external storage. 15617 */ 15618 if (externalStorage && !isMounted && !isExternal(ps)) { 15619 continue; 15620 } 15621 15622 final AsecInstallArgs args = new AsecInstallArgs(cid, 15623 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15624 // The package status is changed only if the code path 15625 // matches between settings and the container id. 15626 if (ps.codePathString != null 15627 && ps.codePathString.startsWith(args.getCodePath())) { 15628 if (DEBUG_SD_INSTALL) { 15629 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15630 + " at code path: " + ps.codePathString); 15631 } 15632 15633 // We do have a valid package installed on sdcard 15634 processCids.put(args, ps.codePathString); 15635 final int uid = ps.appId; 15636 if (uid != -1) { 15637 uidArr = ArrayUtils.appendInt(uidArr, uid); 15638 } 15639 } else { 15640 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15641 + ps.codePathString); 15642 } 15643 } 15644 } 15645 15646 Arrays.sort(uidArr); 15647 } 15648 15649 // Process packages with valid entries. 15650 if (isMounted) { 15651 if (DEBUG_SD_INSTALL) 15652 Log.i(TAG, "Loading packages"); 15653 loadMediaPackages(processCids, uidArr); 15654 startCleaningPackages(); 15655 mInstallerService.onSecureContainersAvailable(); 15656 } else { 15657 if (DEBUG_SD_INSTALL) 15658 Log.i(TAG, "Unloading packages"); 15659 unloadMediaPackages(processCids, uidArr, reportStatus); 15660 } 15661 } 15662 15663 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15664 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15665 final int size = infos.size(); 15666 final String[] packageNames = new String[size]; 15667 final int[] packageUids = new int[size]; 15668 for (int i = 0; i < size; i++) { 15669 final ApplicationInfo info = infos.get(i); 15670 packageNames[i] = info.packageName; 15671 packageUids[i] = info.uid; 15672 } 15673 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15674 finishedReceiver); 15675 } 15676 15677 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15678 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15679 sendResourcesChangedBroadcast(mediaStatus, replacing, 15680 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15681 } 15682 15683 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15684 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15685 int size = pkgList.length; 15686 if (size > 0) { 15687 // Send broadcasts here 15688 Bundle extras = new Bundle(); 15689 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15690 if (uidArr != null) { 15691 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15692 } 15693 if (replacing) { 15694 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15695 } 15696 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15697 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15698 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15699 } 15700 } 15701 15702 /* 15703 * Look at potentially valid container ids from processCids If package 15704 * information doesn't match the one on record or package scanning fails, 15705 * the cid is added to list of removeCids. We currently don't delete stale 15706 * containers. 15707 */ 15708 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15709 ArrayList<String> pkgList = new ArrayList<String>(); 15710 Set<AsecInstallArgs> keys = processCids.keySet(); 15711 15712 for (AsecInstallArgs args : keys) { 15713 String codePath = processCids.get(args); 15714 if (DEBUG_SD_INSTALL) 15715 Log.i(TAG, "Loading container : " + args.cid); 15716 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15717 try { 15718 // Make sure there are no container errors first. 15719 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15720 Slog.e(TAG, "Failed to mount cid : " + args.cid 15721 + " when installing from sdcard"); 15722 continue; 15723 } 15724 // Check code path here. 15725 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15726 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15727 + " does not match one in settings " + codePath); 15728 continue; 15729 } 15730 // Parse package 15731 int parseFlags = mDefParseFlags; 15732 if (args.isExternalAsec()) { 15733 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15734 } 15735 if (args.isFwdLocked()) { 15736 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15737 } 15738 15739 synchronized (mInstallLock) { 15740 PackageParser.Package pkg = null; 15741 try { 15742 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 15743 } catch (PackageManagerException e) { 15744 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15745 } 15746 // Scan the package 15747 if (pkg != null) { 15748 /* 15749 * TODO why is the lock being held? doPostInstall is 15750 * called in other places without the lock. This needs 15751 * to be straightened out. 15752 */ 15753 // writer 15754 synchronized (mPackages) { 15755 retCode = PackageManager.INSTALL_SUCCEEDED; 15756 pkgList.add(pkg.packageName); 15757 // Post process args 15758 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15759 pkg.applicationInfo.uid); 15760 } 15761 } else { 15762 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15763 } 15764 } 15765 15766 } finally { 15767 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15768 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15769 } 15770 } 15771 } 15772 // writer 15773 synchronized (mPackages) { 15774 // If the platform SDK has changed since the last time we booted, 15775 // we need to re-grant app permission to catch any new ones that 15776 // appear. This is really a hack, and means that apps can in some 15777 // cases get permissions that the user didn't initially explicitly 15778 // allow... it would be nice to have some better way to handle 15779 // this situation. 15780 final VersionInfo ver = mSettings.getExternalVersion(); 15781 15782 int updateFlags = UPDATE_PERMISSIONS_ALL; 15783 if (ver.sdkVersion != mSdkVersion) { 15784 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15785 + mSdkVersion + "; regranting permissions for external"); 15786 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15787 } 15788 updatePermissionsLPw(null, null, updateFlags); 15789 15790 // Yay, everything is now upgraded 15791 ver.forceCurrent(); 15792 15793 // can downgrade to reader 15794 // Persist settings 15795 mSettings.writeLPr(); 15796 } 15797 // Send a broadcast to let everyone know we are done processing 15798 if (pkgList.size() > 0) { 15799 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15800 } 15801 } 15802 15803 /* 15804 * Utility method to unload a list of specified containers 15805 */ 15806 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15807 // Just unmount all valid containers. 15808 for (AsecInstallArgs arg : cidArgs) { 15809 synchronized (mInstallLock) { 15810 arg.doPostDeleteLI(false); 15811 } 15812 } 15813 } 15814 15815 /* 15816 * Unload packages mounted on external media. This involves deleting package 15817 * data from internal structures, sending broadcasts about diabled packages, 15818 * gc'ing to free up references, unmounting all secure containers 15819 * corresponding to packages on external media, and posting a 15820 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15821 * that we always have to post this message if status has been requested no 15822 * matter what. 15823 */ 15824 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15825 final boolean reportStatus) { 15826 if (DEBUG_SD_INSTALL) 15827 Log.i(TAG, "unloading media packages"); 15828 ArrayList<String> pkgList = new ArrayList<String>(); 15829 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15830 final Set<AsecInstallArgs> keys = processCids.keySet(); 15831 for (AsecInstallArgs args : keys) { 15832 String pkgName = args.getPackageName(); 15833 if (DEBUG_SD_INSTALL) 15834 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15835 // Delete package internally 15836 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15837 synchronized (mInstallLock) { 15838 boolean res = deletePackageLI(pkgName, null, false, null, null, 15839 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15840 if (res) { 15841 pkgList.add(pkgName); 15842 } else { 15843 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15844 failedList.add(args); 15845 } 15846 } 15847 } 15848 15849 // reader 15850 synchronized (mPackages) { 15851 // We didn't update the settings after removing each package; 15852 // write them now for all packages. 15853 mSettings.writeLPr(); 15854 } 15855 15856 // We have to absolutely send UPDATED_MEDIA_STATUS only 15857 // after confirming that all the receivers processed the ordered 15858 // broadcast when packages get disabled, force a gc to clean things up. 15859 // and unload all the containers. 15860 if (pkgList.size() > 0) { 15861 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15862 new IIntentReceiver.Stub() { 15863 public void performReceive(Intent intent, int resultCode, String data, 15864 Bundle extras, boolean ordered, boolean sticky, 15865 int sendingUser) throws RemoteException { 15866 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15867 reportStatus ? 1 : 0, 1, keys); 15868 mHandler.sendMessage(msg); 15869 } 15870 }); 15871 } else { 15872 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15873 keys); 15874 mHandler.sendMessage(msg); 15875 } 15876 } 15877 15878 private void loadPrivatePackages(VolumeInfo vol) { 15879 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15880 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15881 synchronized (mInstallLock) { 15882 synchronized (mPackages) { 15883 final VersionInfo ver = mSettings.findOrCreateVersion(vol.fsUuid); 15884 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15885 for (PackageSetting ps : packages) { 15886 final PackageParser.Package pkg; 15887 try { 15888 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15889 loaded.add(pkg.applicationInfo); 15890 } catch (PackageManagerException e) { 15891 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15892 } 15893 15894 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15895 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15896 } 15897 } 15898 15899 int updateFlags = UPDATE_PERMISSIONS_ALL; 15900 if (ver.sdkVersion != mSdkVersion) { 15901 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15902 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15903 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15904 } 15905 updatePermissionsLPw(null, null, updateFlags); 15906 15907 // Yay, everything is now upgraded 15908 ver.forceCurrent(); 15909 15910 mSettings.writeLPr(); 15911 } 15912 } 15913 15914 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15915 sendResourcesChangedBroadcast(true, false, loaded, null); 15916 } 15917 15918 private void unloadPrivatePackages(VolumeInfo vol) { 15919 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15920 synchronized (mInstallLock) { 15921 synchronized (mPackages) { 15922 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15923 for (PackageSetting ps : packages) { 15924 if (ps.pkg == null) continue; 15925 15926 final ApplicationInfo info = ps.pkg.applicationInfo; 15927 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15928 if (deletePackageLI(ps.name, null, false, null, null, 15929 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15930 unloaded.add(info); 15931 } else { 15932 Slog.w(TAG, "Failed to unload " + ps.codePath); 15933 } 15934 } 15935 15936 mSettings.writeLPr(); 15937 } 15938 } 15939 15940 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15941 sendResourcesChangedBroadcast(false, false, unloaded, null); 15942 } 15943 15944 /** 15945 * Examine all users present on given mounted volume, and destroy data 15946 * belonging to users that are no longer valid, or whose user ID has been 15947 * recycled. 15948 */ 15949 private void reconcileUsers(String volumeUuid) { 15950 final File[] files = FileUtils 15951 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15952 for (File file : files) { 15953 if (!file.isDirectory()) continue; 15954 15955 final int userId; 15956 final UserInfo info; 15957 try { 15958 userId = Integer.parseInt(file.getName()); 15959 info = sUserManager.getUserInfo(userId); 15960 } catch (NumberFormatException e) { 15961 Slog.w(TAG, "Invalid user directory " + file); 15962 continue; 15963 } 15964 15965 boolean destroyUser = false; 15966 if (info == null) { 15967 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15968 + " because no matching user was found"); 15969 destroyUser = true; 15970 } else { 15971 try { 15972 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15973 } catch (IOException e) { 15974 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15975 + " because we failed to enforce serial number: " + e); 15976 destroyUser = true; 15977 } 15978 } 15979 15980 if (destroyUser) { 15981 synchronized (mInstallLock) { 15982 mInstaller.removeUserDataDirs(volumeUuid, userId); 15983 } 15984 } 15985 } 15986 15987 final UserManager um = mContext.getSystemService(UserManager.class); 15988 for (UserInfo user : um.getUsers()) { 15989 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15990 if (userDir.exists()) continue; 15991 15992 try { 15993 UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id); 15994 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15995 } catch (IOException e) { 15996 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15997 } 15998 } 15999 } 16000 16001 /** 16002 * Examine all apps present on given mounted volume, and destroy apps that 16003 * aren't expected, either due to uninstallation or reinstallation on 16004 * another volume. 16005 */ 16006 private void reconcileApps(String volumeUuid) { 16007 final File[] files = FileUtils 16008 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16009 for (File file : files) { 16010 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16011 && !PackageInstallerService.isStageName(file.getName()); 16012 if (!isPackage) { 16013 // Ignore entries which are not packages 16014 continue; 16015 } 16016 16017 boolean destroyApp = false; 16018 String packageName = null; 16019 try { 16020 final PackageLite pkg = PackageParser.parsePackageLite(file, 16021 PackageParser.PARSE_MUST_BE_APK); 16022 packageName = pkg.packageName; 16023 16024 synchronized (mPackages) { 16025 final PackageSetting ps = mSettings.mPackages.get(packageName); 16026 if (ps == null) { 16027 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16028 + volumeUuid + " because we found no install record"); 16029 destroyApp = true; 16030 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16031 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16032 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16033 destroyApp = true; 16034 } 16035 } 16036 16037 } catch (PackageParserException e) { 16038 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16039 destroyApp = true; 16040 } 16041 16042 if (destroyApp) { 16043 synchronized (mInstallLock) { 16044 if (packageName != null) { 16045 removeDataDirsLI(volumeUuid, packageName); 16046 } 16047 if (file.isDirectory()) { 16048 mInstaller.rmPackageDir(file.getAbsolutePath()); 16049 } else { 16050 file.delete(); 16051 } 16052 } 16053 } 16054 } 16055 } 16056 16057 private void unfreezePackage(String packageName) { 16058 synchronized (mPackages) { 16059 final PackageSetting ps = mSettings.mPackages.get(packageName); 16060 if (ps != null) { 16061 ps.frozen = false; 16062 } 16063 } 16064 } 16065 16066 @Override 16067 public int movePackage(final String packageName, final String volumeUuid) { 16068 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16069 16070 final int moveId = mNextMoveId.getAndIncrement(); 16071 try { 16072 movePackageInternal(packageName, volumeUuid, moveId); 16073 } catch (PackageManagerException e) { 16074 Slog.w(TAG, "Failed to move " + packageName, e); 16075 mMoveCallbacks.notifyStatusChanged(moveId, 16076 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16077 } 16078 return moveId; 16079 } 16080 16081 private void movePackageInternal(final String packageName, final String volumeUuid, 16082 final int moveId) throws PackageManagerException { 16083 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16084 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16085 final PackageManager pm = mContext.getPackageManager(); 16086 16087 final boolean currentAsec; 16088 final String currentVolumeUuid; 16089 final File codeFile; 16090 final String installerPackageName; 16091 final String packageAbiOverride; 16092 final int appId; 16093 final String seinfo; 16094 final String label; 16095 16096 // reader 16097 synchronized (mPackages) { 16098 final PackageParser.Package pkg = mPackages.get(packageName); 16099 final PackageSetting ps = mSettings.mPackages.get(packageName); 16100 if (pkg == null || ps == null) { 16101 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16102 } 16103 16104 if (pkg.applicationInfo.isSystemApp()) { 16105 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16106 "Cannot move system application"); 16107 } 16108 16109 if (pkg.applicationInfo.isExternalAsec()) { 16110 currentAsec = true; 16111 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16112 } else if (pkg.applicationInfo.isForwardLocked()) { 16113 currentAsec = true; 16114 currentVolumeUuid = "forward_locked"; 16115 } else { 16116 currentAsec = false; 16117 currentVolumeUuid = ps.volumeUuid; 16118 16119 final File probe = new File(pkg.codePath); 16120 final File probeOat = new File(probe, "oat"); 16121 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16122 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16123 "Move only supported for modern cluster style installs"); 16124 } 16125 } 16126 16127 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16128 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16129 "Package already moved to " + volumeUuid); 16130 } 16131 16132 if (ps.frozen) { 16133 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16134 "Failed to move already frozen package"); 16135 } 16136 ps.frozen = true; 16137 16138 codeFile = new File(pkg.codePath); 16139 installerPackageName = ps.installerPackageName; 16140 packageAbiOverride = ps.cpuAbiOverrideString; 16141 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16142 seinfo = pkg.applicationInfo.seinfo; 16143 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16144 } 16145 16146 // Now that we're guarded by frozen state, kill app during move 16147 final long token = Binder.clearCallingIdentity(); 16148 try { 16149 killApplication(packageName, appId, "move pkg"); 16150 } finally { 16151 Binder.restoreCallingIdentity(token); 16152 } 16153 16154 final Bundle extras = new Bundle(); 16155 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16156 extras.putString(Intent.EXTRA_TITLE, label); 16157 mMoveCallbacks.notifyCreated(moveId, extras); 16158 16159 int installFlags; 16160 final boolean moveCompleteApp; 16161 final File measurePath; 16162 16163 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16164 installFlags = INSTALL_INTERNAL; 16165 moveCompleteApp = !currentAsec; 16166 measurePath = Environment.getDataAppDirectory(volumeUuid); 16167 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16168 installFlags = INSTALL_EXTERNAL; 16169 moveCompleteApp = false; 16170 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16171 } else { 16172 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16173 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16174 || !volume.isMountedWritable()) { 16175 unfreezePackage(packageName); 16176 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16177 "Move location not mounted private volume"); 16178 } 16179 16180 Preconditions.checkState(!currentAsec); 16181 16182 installFlags = INSTALL_INTERNAL; 16183 moveCompleteApp = true; 16184 measurePath = Environment.getDataAppDirectory(volumeUuid); 16185 } 16186 16187 final PackageStats stats = new PackageStats(null, -1); 16188 synchronized (mInstaller) { 16189 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16190 unfreezePackage(packageName); 16191 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16192 "Failed to measure package size"); 16193 } 16194 } 16195 16196 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16197 + stats.dataSize); 16198 16199 final long startFreeBytes = measurePath.getFreeSpace(); 16200 final long sizeBytes; 16201 if (moveCompleteApp) { 16202 sizeBytes = stats.codeSize + stats.dataSize; 16203 } else { 16204 sizeBytes = stats.codeSize; 16205 } 16206 16207 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16208 unfreezePackage(packageName); 16209 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16210 "Not enough free space to move"); 16211 } 16212 16213 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16214 16215 final CountDownLatch installedLatch = new CountDownLatch(1); 16216 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16217 @Override 16218 public void onUserActionRequired(Intent intent) throws RemoteException { 16219 throw new IllegalStateException(); 16220 } 16221 16222 @Override 16223 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16224 Bundle extras) throws RemoteException { 16225 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16226 + PackageManager.installStatusToString(returnCode, msg)); 16227 16228 installedLatch.countDown(); 16229 16230 // Regardless of success or failure of the move operation, 16231 // always unfreeze the package 16232 unfreezePackage(packageName); 16233 16234 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16235 switch (status) { 16236 case PackageInstaller.STATUS_SUCCESS: 16237 mMoveCallbacks.notifyStatusChanged(moveId, 16238 PackageManager.MOVE_SUCCEEDED); 16239 break; 16240 case PackageInstaller.STATUS_FAILURE_STORAGE: 16241 mMoveCallbacks.notifyStatusChanged(moveId, 16242 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16243 break; 16244 default: 16245 mMoveCallbacks.notifyStatusChanged(moveId, 16246 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16247 break; 16248 } 16249 } 16250 }; 16251 16252 final MoveInfo move; 16253 if (moveCompleteApp) { 16254 // Kick off a thread to report progress estimates 16255 new Thread() { 16256 @Override 16257 public void run() { 16258 while (true) { 16259 try { 16260 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16261 break; 16262 } 16263 } catch (InterruptedException ignored) { 16264 } 16265 16266 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16267 final int progress = 10 + (int) MathUtils.constrain( 16268 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16269 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16270 } 16271 } 16272 }.start(); 16273 16274 final String dataAppName = codeFile.getName(); 16275 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16276 dataAppName, appId, seinfo); 16277 } else { 16278 move = null; 16279 } 16280 16281 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16282 16283 final Message msg = mHandler.obtainMessage(INIT_COPY); 16284 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16285 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16286 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16287 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16288 msg.obj = params; 16289 16290 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16291 System.identityHashCode(msg.obj)); 16292 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16293 System.identityHashCode(msg.obj)); 16294 16295 mHandler.sendMessage(msg); 16296 } 16297 16298 @Override 16299 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16300 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16301 16302 final int realMoveId = mNextMoveId.getAndIncrement(); 16303 final Bundle extras = new Bundle(); 16304 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16305 mMoveCallbacks.notifyCreated(realMoveId, extras); 16306 16307 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16308 @Override 16309 public void onCreated(int moveId, Bundle extras) { 16310 // Ignored 16311 } 16312 16313 @Override 16314 public void onStatusChanged(int moveId, int status, long estMillis) { 16315 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16316 } 16317 }; 16318 16319 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16320 storage.setPrimaryStorageUuid(volumeUuid, callback); 16321 return realMoveId; 16322 } 16323 16324 @Override 16325 public int getMoveStatus(int moveId) { 16326 mContext.enforceCallingOrSelfPermission( 16327 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16328 return mMoveCallbacks.mLastStatus.get(moveId); 16329 } 16330 16331 @Override 16332 public void registerMoveCallback(IPackageMoveObserver callback) { 16333 mContext.enforceCallingOrSelfPermission( 16334 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16335 mMoveCallbacks.register(callback); 16336 } 16337 16338 @Override 16339 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16340 mContext.enforceCallingOrSelfPermission( 16341 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16342 mMoveCallbacks.unregister(callback); 16343 } 16344 16345 @Override 16346 public boolean setInstallLocation(int loc) { 16347 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16348 null); 16349 if (getInstallLocation() == loc) { 16350 return true; 16351 } 16352 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16353 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16354 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16355 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16356 return true; 16357 } 16358 return false; 16359 } 16360 16361 @Override 16362 public int getInstallLocation() { 16363 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16364 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16365 PackageHelper.APP_INSTALL_AUTO); 16366 } 16367 16368 /** Called by UserManagerService */ 16369 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16370 mDirtyUsers.remove(userHandle); 16371 mSettings.removeUserLPw(userHandle); 16372 mPendingBroadcasts.remove(userHandle); 16373 if (mInstaller != null) { 16374 // Technically, we shouldn't be doing this with the package lock 16375 // held. However, this is very rare, and there is already so much 16376 // other disk I/O going on, that we'll let it slide for now. 16377 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16378 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16379 final String volumeUuid = vol.getFsUuid(); 16380 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16381 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16382 } 16383 } 16384 mUserNeedsBadging.delete(userHandle); 16385 removeUnusedPackagesLILPw(userManager, userHandle); 16386 } 16387 16388 /** 16389 * We're removing userHandle and would like to remove any downloaded packages 16390 * that are no longer in use by any other user. 16391 * @param userHandle the user being removed 16392 */ 16393 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16394 final boolean DEBUG_CLEAN_APKS = false; 16395 int [] users = userManager.getUserIdsLPr(); 16396 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16397 while (psit.hasNext()) { 16398 PackageSetting ps = psit.next(); 16399 if (ps.pkg == null) { 16400 continue; 16401 } 16402 final String packageName = ps.pkg.packageName; 16403 // Skip over if system app 16404 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16405 continue; 16406 } 16407 if (DEBUG_CLEAN_APKS) { 16408 Slog.i(TAG, "Checking package " + packageName); 16409 } 16410 boolean keep = false; 16411 for (int i = 0; i < users.length; i++) { 16412 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16413 keep = true; 16414 if (DEBUG_CLEAN_APKS) { 16415 Slog.i(TAG, " Keeping package " + packageName + " for user " 16416 + users[i]); 16417 } 16418 break; 16419 } 16420 } 16421 if (!keep) { 16422 if (DEBUG_CLEAN_APKS) { 16423 Slog.i(TAG, " Removing package " + packageName); 16424 } 16425 mHandler.post(new Runnable() { 16426 public void run() { 16427 deletePackageX(packageName, userHandle, 0); 16428 } //end run 16429 }); 16430 } 16431 } 16432 } 16433 16434 /** Called by UserManagerService */ 16435 void createNewUserLILPw(int userHandle) { 16436 if (mInstaller != null) { 16437 mInstaller.createUserConfig(userHandle); 16438 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16439 applyFactoryDefaultBrowserLPw(userHandle); 16440 primeDomainVerificationsLPw(userHandle); 16441 } 16442 } 16443 16444 void newUserCreated(final int userHandle) { 16445 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16446 } 16447 16448 @Override 16449 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16450 mContext.enforceCallingOrSelfPermission( 16451 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16452 "Only package verification agents can read the verifier device identity"); 16453 16454 synchronized (mPackages) { 16455 return mSettings.getVerifierDeviceIdentityLPw(); 16456 } 16457 } 16458 16459 @Override 16460 public void setPermissionEnforced(String permission, boolean enforced) { 16461 // TODO: Now that we no longer change GID for storage, this should to away. 16462 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16463 "setPermissionEnforced"); 16464 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16465 synchronized (mPackages) { 16466 if (mSettings.mReadExternalStorageEnforced == null 16467 || mSettings.mReadExternalStorageEnforced != enforced) { 16468 mSettings.mReadExternalStorageEnforced = enforced; 16469 mSettings.writeLPr(); 16470 } 16471 } 16472 // kill any non-foreground processes so we restart them and 16473 // grant/revoke the GID. 16474 final IActivityManager am = ActivityManagerNative.getDefault(); 16475 if (am != null) { 16476 final long token = Binder.clearCallingIdentity(); 16477 try { 16478 am.killProcessesBelowForeground("setPermissionEnforcement"); 16479 } catch (RemoteException e) { 16480 } finally { 16481 Binder.restoreCallingIdentity(token); 16482 } 16483 } 16484 } else { 16485 throw new IllegalArgumentException("No selective enforcement for " + permission); 16486 } 16487 } 16488 16489 @Override 16490 @Deprecated 16491 public boolean isPermissionEnforced(String permission) { 16492 return true; 16493 } 16494 16495 @Override 16496 public boolean isStorageLow() { 16497 final long token = Binder.clearCallingIdentity(); 16498 try { 16499 final DeviceStorageMonitorInternal 16500 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16501 if (dsm != null) { 16502 return dsm.isMemoryLow(); 16503 } else { 16504 return false; 16505 } 16506 } finally { 16507 Binder.restoreCallingIdentity(token); 16508 } 16509 } 16510 16511 @Override 16512 public IPackageInstaller getPackageInstaller() { 16513 return mInstallerService; 16514 } 16515 16516 private boolean userNeedsBadging(int userId) { 16517 int index = mUserNeedsBadging.indexOfKey(userId); 16518 if (index < 0) { 16519 final UserInfo userInfo; 16520 final long token = Binder.clearCallingIdentity(); 16521 try { 16522 userInfo = sUserManager.getUserInfo(userId); 16523 } finally { 16524 Binder.restoreCallingIdentity(token); 16525 } 16526 final boolean b; 16527 if (userInfo != null && userInfo.isManagedProfile()) { 16528 b = true; 16529 } else { 16530 b = false; 16531 } 16532 mUserNeedsBadging.put(userId, b); 16533 return b; 16534 } 16535 return mUserNeedsBadging.valueAt(index); 16536 } 16537 16538 @Override 16539 public KeySet getKeySetByAlias(String packageName, String alias) { 16540 if (packageName == null || alias == null) { 16541 return null; 16542 } 16543 synchronized(mPackages) { 16544 final PackageParser.Package pkg = mPackages.get(packageName); 16545 if (pkg == null) { 16546 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16547 throw new IllegalArgumentException("Unknown package: " + packageName); 16548 } 16549 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16550 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16551 } 16552 } 16553 16554 @Override 16555 public KeySet getSigningKeySet(String packageName) { 16556 if (packageName == null) { 16557 return null; 16558 } 16559 synchronized(mPackages) { 16560 final PackageParser.Package pkg = mPackages.get(packageName); 16561 if (pkg == null) { 16562 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16563 throw new IllegalArgumentException("Unknown package: " + packageName); 16564 } 16565 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16566 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16567 throw new SecurityException("May not access signing KeySet of other apps."); 16568 } 16569 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16570 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16571 } 16572 } 16573 16574 @Override 16575 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16576 if (packageName == null || ks == null) { 16577 return false; 16578 } 16579 synchronized(mPackages) { 16580 final PackageParser.Package pkg = mPackages.get(packageName); 16581 if (pkg == null) { 16582 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16583 throw new IllegalArgumentException("Unknown package: " + packageName); 16584 } 16585 IBinder ksh = ks.getToken(); 16586 if (ksh instanceof KeySetHandle) { 16587 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16588 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16589 } 16590 return false; 16591 } 16592 } 16593 16594 @Override 16595 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16596 if (packageName == null || ks == null) { 16597 return false; 16598 } 16599 synchronized(mPackages) { 16600 final PackageParser.Package pkg = mPackages.get(packageName); 16601 if (pkg == null) { 16602 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16603 throw new IllegalArgumentException("Unknown package: " + packageName); 16604 } 16605 IBinder ksh = ks.getToken(); 16606 if (ksh instanceof KeySetHandle) { 16607 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16608 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16609 } 16610 return false; 16611 } 16612 } 16613 16614 public void getUsageStatsIfNoPackageUsageInfo() { 16615 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16616 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16617 if (usm == null) { 16618 throw new IllegalStateException("UsageStatsManager must be initialized"); 16619 } 16620 long now = System.currentTimeMillis(); 16621 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16622 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16623 String packageName = entry.getKey(); 16624 PackageParser.Package pkg = mPackages.get(packageName); 16625 if (pkg == null) { 16626 continue; 16627 } 16628 UsageStats usage = entry.getValue(); 16629 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16630 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16631 } 16632 } 16633 } 16634 16635 /** 16636 * Check and throw if the given before/after packages would be considered a 16637 * downgrade. 16638 */ 16639 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16640 throws PackageManagerException { 16641 if (after.versionCode < before.mVersionCode) { 16642 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16643 "Update version code " + after.versionCode + " is older than current " 16644 + before.mVersionCode); 16645 } else if (after.versionCode == before.mVersionCode) { 16646 if (after.baseRevisionCode < before.baseRevisionCode) { 16647 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16648 "Update base revision code " + after.baseRevisionCode 16649 + " is older than current " + before.baseRevisionCode); 16650 } 16651 16652 if (!ArrayUtils.isEmpty(after.splitNames)) { 16653 for (int i = 0; i < after.splitNames.length; i++) { 16654 final String splitName = after.splitNames[i]; 16655 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16656 if (j != -1) { 16657 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16658 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16659 "Update split " + splitName + " revision code " 16660 + after.splitRevisionCodes[i] + " is older than current " 16661 + before.splitRevisionCodes[j]); 16662 } 16663 } 16664 } 16665 } 16666 } 16667 } 16668 16669 private static class MoveCallbacks extends Handler { 16670 private static final int MSG_CREATED = 1; 16671 private static final int MSG_STATUS_CHANGED = 2; 16672 16673 private final RemoteCallbackList<IPackageMoveObserver> 16674 mCallbacks = new RemoteCallbackList<>(); 16675 16676 private final SparseIntArray mLastStatus = new SparseIntArray(); 16677 16678 public MoveCallbacks(Looper looper) { 16679 super(looper); 16680 } 16681 16682 public void register(IPackageMoveObserver callback) { 16683 mCallbacks.register(callback); 16684 } 16685 16686 public void unregister(IPackageMoveObserver callback) { 16687 mCallbacks.unregister(callback); 16688 } 16689 16690 @Override 16691 public void handleMessage(Message msg) { 16692 final SomeArgs args = (SomeArgs) msg.obj; 16693 final int n = mCallbacks.beginBroadcast(); 16694 for (int i = 0; i < n; i++) { 16695 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16696 try { 16697 invokeCallback(callback, msg.what, args); 16698 } catch (RemoteException ignored) { 16699 } 16700 } 16701 mCallbacks.finishBroadcast(); 16702 args.recycle(); 16703 } 16704 16705 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16706 throws RemoteException { 16707 switch (what) { 16708 case MSG_CREATED: { 16709 callback.onCreated(args.argi1, (Bundle) args.arg2); 16710 break; 16711 } 16712 case MSG_STATUS_CHANGED: { 16713 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16714 break; 16715 } 16716 } 16717 } 16718 16719 private void notifyCreated(int moveId, Bundle extras) { 16720 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16721 16722 final SomeArgs args = SomeArgs.obtain(); 16723 args.argi1 = moveId; 16724 args.arg2 = extras; 16725 obtainMessage(MSG_CREATED, args).sendToTarget(); 16726 } 16727 16728 private void notifyStatusChanged(int moveId, int status) { 16729 notifyStatusChanged(moveId, status, -1); 16730 } 16731 16732 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16733 Slog.v(TAG, "Move " + moveId + " status " + status); 16734 16735 final SomeArgs args = SomeArgs.obtain(); 16736 args.argi1 = moveId; 16737 args.argi2 = status; 16738 args.arg3 = estMillis; 16739 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16740 16741 synchronized (mLastStatus) { 16742 mLastStatus.put(moveId, status); 16743 } 16744 } 16745 } 16746 16747 private final class OnPermissionChangeListeners extends Handler { 16748 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16749 16750 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16751 new RemoteCallbackList<>(); 16752 16753 public OnPermissionChangeListeners(Looper looper) { 16754 super(looper); 16755 } 16756 16757 @Override 16758 public void handleMessage(Message msg) { 16759 switch (msg.what) { 16760 case MSG_ON_PERMISSIONS_CHANGED: { 16761 final int uid = msg.arg1; 16762 handleOnPermissionsChanged(uid); 16763 } break; 16764 } 16765 } 16766 16767 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16768 mPermissionListeners.register(listener); 16769 16770 } 16771 16772 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16773 mPermissionListeners.unregister(listener); 16774 } 16775 16776 public void onPermissionsChanged(int uid) { 16777 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16778 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16779 } 16780 } 16781 16782 private void handleOnPermissionsChanged(int uid) { 16783 final int count = mPermissionListeners.beginBroadcast(); 16784 try { 16785 for (int i = 0; i < count; i++) { 16786 IOnPermissionsChangeListener callback = mPermissionListeners 16787 .getBroadcastItem(i); 16788 try { 16789 callback.onPermissionsChanged(uid); 16790 } catch (RemoteException e) { 16791 Log.e(TAG, "Permission listener is dead", e); 16792 } 16793 } 16794 } finally { 16795 mPermissionListeners.finishBroadcast(); 16796 } 16797 } 16798 } 16799 16800 private class PackageManagerInternalImpl extends PackageManagerInternal { 16801 @Override 16802 public void setLocationPackagesProvider(PackagesProvider provider) { 16803 synchronized (mPackages) { 16804 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16805 } 16806 } 16807 16808 @Override 16809 public void setImePackagesProvider(PackagesProvider provider) { 16810 synchronized (mPackages) { 16811 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16812 } 16813 } 16814 16815 @Override 16816 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16817 synchronized (mPackages) { 16818 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16819 } 16820 } 16821 16822 @Override 16823 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16824 synchronized (mPackages) { 16825 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16826 } 16827 } 16828 16829 @Override 16830 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16831 synchronized (mPackages) { 16832 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16833 } 16834 } 16835 16836 @Override 16837 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16838 synchronized (mPackages) { 16839 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16840 } 16841 } 16842 16843 @Override 16844 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16845 synchronized (mPackages) { 16846 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16847 } 16848 } 16849 16850 @Override 16851 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16852 synchronized (mPackages) { 16853 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16854 packageName, userId); 16855 } 16856 } 16857 16858 @Override 16859 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16860 synchronized (mPackages) { 16861 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16862 packageName, userId); 16863 } 16864 } 16865 @Override 16866 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16867 synchronized (mPackages) { 16868 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16869 packageName, userId); 16870 } 16871 } 16872 } 16873 16874 @Override 16875 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16876 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16877 synchronized (mPackages) { 16878 final long identity = Binder.clearCallingIdentity(); 16879 try { 16880 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16881 packageNames, userId); 16882 } finally { 16883 Binder.restoreCallingIdentity(identity); 16884 } 16885 } 16886 } 16887 16888 private static void enforceSystemOrPhoneCaller(String tag) { 16889 int callingUid = Binder.getCallingUid(); 16890 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16891 throw new SecurityException( 16892 "Cannot call " + tag + " from UID " + callingUid); 16893 } 16894 } 16895} 16896