PackageManagerService.java revision 2d42d5f41eefc5550b6750cb86a5324c8f28959f
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.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 22import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 45import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 46import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 60import static android.content.pm.PackageManager.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_GRANTED; 66import static android.content.pm.PackageParser.isApkFile; 67import static android.os.Process.PACKAGE_INFO_GID; 68import static android.os.Process.SYSTEM_UID; 69import static android.system.OsConstants.O_CREAT; 70import static android.system.OsConstants.O_RDWR; 71import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 72import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 73import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 74import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 75import static com.android.internal.util.ArrayUtils.appendInt; 76import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 77import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 78import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 79import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 80import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 81import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 82import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 83import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 84 85import android.Manifest; 86import android.app.ActivityManager; 87import android.app.ActivityManagerNative; 88import android.app.AppGlobals; 89import android.app.IActivityManager; 90import android.app.admin.IDevicePolicyManager; 91import android.app.backup.IBackupManager; 92import android.app.usage.UsageStats; 93import android.app.usage.UsageStatsManager; 94import android.content.BroadcastReceiver; 95import android.content.ComponentName; 96import android.content.Context; 97import android.content.IIntentReceiver; 98import android.content.Intent; 99import android.content.IntentFilter; 100import android.content.IntentSender; 101import android.content.IntentSender.SendIntentException; 102import android.content.ServiceConnection; 103import android.content.pm.ActivityInfo; 104import android.content.pm.ApplicationInfo; 105import android.content.pm.FeatureInfo; 106import android.content.pm.IOnPermissionsChangeListener; 107import android.content.pm.IPackageDataObserver; 108import android.content.pm.IPackageDeleteObserver; 109import android.content.pm.IPackageDeleteObserver2; 110import android.content.pm.IPackageInstallObserver2; 111import android.content.pm.IPackageInstaller; 112import android.content.pm.IPackageManager; 113import android.content.pm.IPackageMoveObserver; 114import android.content.pm.IPackageStatsObserver; 115import android.content.pm.InstrumentationInfo; 116import android.content.pm.IntentFilterVerificationInfo; 117import android.content.pm.KeySet; 118import android.content.pm.ManifestDigest; 119import android.content.pm.PackageCleanItem; 120import android.content.pm.PackageInfo; 121import android.content.pm.PackageInfoLite; 122import android.content.pm.PackageInstaller; 123import android.content.pm.PackageManager; 124import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 125import android.content.pm.PackageManagerInternal; 126import android.content.pm.PackageParser; 127import android.content.pm.PackageParser.ActivityIntentInfo; 128import android.content.pm.PackageParser.PackageLite; 129import android.content.pm.PackageParser.PackageParserException; 130import android.content.pm.PackageStats; 131import android.content.pm.PackageUserState; 132import android.content.pm.ParceledListSlice; 133import android.content.pm.PermissionGroupInfo; 134import android.content.pm.PermissionInfo; 135import android.content.pm.ProviderInfo; 136import android.content.pm.ResolveInfo; 137import android.content.pm.ServiceInfo; 138import android.content.pm.Signature; 139import android.content.pm.UserInfo; 140import android.content.pm.VerificationParams; 141import android.content.pm.VerifierDeviceIdentity; 142import android.content.pm.VerifierInfo; 143import android.content.res.Resources; 144import android.hardware.display.DisplayManager; 145import android.net.Uri; 146import android.os.Binder; 147import android.os.Build; 148import android.os.Bundle; 149import android.os.Debug; 150import android.os.Environment; 151import android.os.Environment.UserEnvironment; 152import android.os.FileUtils; 153import android.os.Handler; 154import android.os.IBinder; 155import android.os.Looper; 156import android.os.Message; 157import android.os.Parcel; 158import android.os.ParcelFileDescriptor; 159import android.os.Process; 160import android.os.RemoteCallbackList; 161import android.os.RemoteException; 162import android.os.SELinux; 163import android.os.ServiceManager; 164import android.os.SystemClock; 165import android.os.SystemProperties; 166import android.os.UserHandle; 167import android.os.UserManager; 168import android.os.storage.IMountService; 169import android.os.storage.StorageEventListener; 170import android.os.storage.StorageManager; 171import android.os.storage.VolumeInfo; 172import android.os.storage.VolumeRecord; 173import android.security.KeyStore; 174import android.security.SystemKeyStore; 175import android.system.ErrnoException; 176import android.system.Os; 177import android.system.StructStat; 178import android.text.TextUtils; 179import android.text.format.DateUtils; 180import android.util.ArrayMap; 181import android.util.ArraySet; 182import android.util.AtomicFile; 183import android.util.DisplayMetrics; 184import android.util.EventLog; 185import android.util.ExceptionUtils; 186import android.util.Log; 187import android.util.LogPrinter; 188import android.util.MathUtils; 189import android.util.PrintStreamPrinter; 190import android.util.Slog; 191import android.util.SparseArray; 192import android.util.SparseBooleanArray; 193import android.util.SparseIntArray; 194import android.util.Xml; 195import android.view.Display; 196 197import dalvik.system.DexFile; 198import dalvik.system.VMRuntime; 199 200import libcore.io.IoUtils; 201import libcore.util.EmptyArray; 202 203import com.android.internal.R; 204import com.android.internal.annotations.GuardedBy; 205import com.android.internal.app.IMediaContainerService; 206import com.android.internal.app.ResolverActivity; 207import com.android.internal.content.NativeLibraryHelper; 208import com.android.internal.content.PackageHelper; 209import com.android.internal.os.IParcelFileDescriptorFactory; 210import com.android.internal.os.SomeArgs; 211import com.android.internal.os.Zygote; 212import com.android.internal.util.ArrayUtils; 213import com.android.internal.util.FastPrintWriter; 214import com.android.internal.util.FastXmlSerializer; 215import com.android.internal.util.IndentingPrintWriter; 216import com.android.internal.util.Preconditions; 217import com.android.server.EventLogTags; 218import com.android.server.FgThread; 219import com.android.server.IntentResolver; 220import com.android.server.LocalServices; 221import com.android.server.ServiceThread; 222import com.android.server.SystemConfig; 223import com.android.server.Watchdog; 224import com.android.server.pm.PermissionsState.PermissionState; 225import com.android.server.pm.Settings.DatabaseVersion; 226import com.android.server.storage.DeviceStorageMonitorInternal; 227 228import org.xmlpull.v1.XmlPullParser; 229import org.xmlpull.v1.XmlPullParserException; 230import org.xmlpull.v1.XmlSerializer; 231 232import java.io.BufferedInputStream; 233import java.io.BufferedOutputStream; 234import java.io.BufferedReader; 235import java.io.ByteArrayInputStream; 236import java.io.ByteArrayOutputStream; 237import java.io.File; 238import java.io.FileDescriptor; 239import java.io.FileNotFoundException; 240import java.io.FileOutputStream; 241import java.io.FileReader; 242import java.io.FilenameFilter; 243import java.io.IOException; 244import java.io.InputStream; 245import java.io.PrintWriter; 246import java.nio.charset.StandardCharsets; 247import java.security.NoSuchAlgorithmException; 248import java.security.PublicKey; 249import java.security.cert.CertificateEncodingException; 250import java.security.cert.CertificateException; 251import java.text.SimpleDateFormat; 252import java.util.ArrayList; 253import java.util.Arrays; 254import java.util.Collection; 255import java.util.Collections; 256import java.util.Comparator; 257import java.util.Date; 258import java.util.Iterator; 259import java.util.List; 260import java.util.Map; 261import java.util.Objects; 262import java.util.Set; 263import java.util.concurrent.CountDownLatch; 264import java.util.concurrent.TimeUnit; 265import java.util.concurrent.atomic.AtomicBoolean; 266import java.util.concurrent.atomic.AtomicInteger; 267import java.util.concurrent.atomic.AtomicLong; 268 269/** 270 * Keep track of all those .apks everywhere. 271 * 272 * This is very central to the platform's security; please run the unit 273 * tests whenever making modifications here: 274 * 275mmm frameworks/base/tests/AndroidTests 276adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 277adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 278 * 279 * {@hide} 280 */ 281public class PackageManagerService extends IPackageManager.Stub { 282 static final String TAG = "PackageManager"; 283 static final boolean DEBUG_SETTINGS = false; 284 static final boolean DEBUG_PREFERRED = false; 285 static final boolean DEBUG_UPGRADE = false; 286 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 287 private static final boolean DEBUG_BACKUP = true; 288 private static final boolean DEBUG_INSTALL = false; 289 private static final boolean DEBUG_REMOVE = false; 290 private static final boolean DEBUG_BROADCASTS = false; 291 private static final boolean DEBUG_SHOW_INFO = false; 292 private static final boolean DEBUG_PACKAGE_INFO = false; 293 private static final boolean DEBUG_INTENT_MATCHING = false; 294 private static final boolean DEBUG_PACKAGE_SCANNING = false; 295 private static final boolean DEBUG_VERIFY = false; 296 private static final boolean DEBUG_DEXOPT = false; 297 private static final boolean DEBUG_ABI_SELECTION = false; 298 299 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = Build.IS_DEBUGGABLE; 300 301 private static final int RADIO_UID = Process.PHONE_UID; 302 private static final int LOG_UID = Process.LOG_UID; 303 private static final int NFC_UID = Process.NFC_UID; 304 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 305 private static final int SHELL_UID = Process.SHELL_UID; 306 307 // Cap the size of permission trees that 3rd party apps can define 308 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 309 310 // Suffix used during package installation when copying/moving 311 // package apks to install directory. 312 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 313 314 static final int SCAN_NO_DEX = 1<<1; 315 static final int SCAN_FORCE_DEX = 1<<2; 316 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 317 static final int SCAN_NEW_INSTALL = 1<<4; 318 static final int SCAN_NO_PATHS = 1<<5; 319 static final int SCAN_UPDATE_TIME = 1<<6; 320 static final int SCAN_DEFER_DEX = 1<<7; 321 static final int SCAN_BOOTING = 1<<8; 322 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 323 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 324 static final int SCAN_REQUIRE_KNOWN = 1<<12; 325 static final int SCAN_MOVE = 1<<13; 326 static final int SCAN_INITIAL = 1<<14; 327 328 static final int REMOVE_CHATTY = 1<<16; 329 330 private static final int[] EMPTY_INT_ARRAY = new int[0]; 331 332 /** 333 * Timeout (in milliseconds) after which the watchdog should declare that 334 * our handler thread is wedged. The usual default for such things is one 335 * minute but we sometimes do very lengthy I/O operations on this thread, 336 * such as installing multi-gigabyte applications, so ours needs to be longer. 337 */ 338 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 339 340 /** 341 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 342 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 343 * settings entry if available, otherwise we use the hardcoded default. If it's been 344 * more than this long since the last fstrim, we force one during the boot sequence. 345 * 346 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 347 * one gets run at the next available charging+idle time. This final mandatory 348 * no-fstrim check kicks in only of the other scheduling criteria is never met. 349 */ 350 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 351 352 /** 353 * Whether verification is enabled by default. 354 */ 355 private static final boolean DEFAULT_VERIFY_ENABLE = true; 356 357 /** 358 * The default maximum time to wait for the verification agent to return in 359 * milliseconds. 360 */ 361 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 362 363 /** 364 * The default response for package verification timeout. 365 * 366 * This can be either PackageManager.VERIFICATION_ALLOW or 367 * PackageManager.VERIFICATION_REJECT. 368 */ 369 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 370 371 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 372 373 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 374 DEFAULT_CONTAINER_PACKAGE, 375 "com.android.defcontainer.DefaultContainerService"); 376 377 private static final String KILL_APP_REASON_GIDS_CHANGED = 378 "permission grant or revoke changed gids"; 379 380 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 381 "permissions revoked"; 382 383 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 384 385 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 386 387 /** Permission grant: not grant the permission. */ 388 private static final int GRANT_DENIED = 1; 389 390 /** Permission grant: grant the permission as an install permission. */ 391 private static final int GRANT_INSTALL = 2; 392 393 /** Permission grant: grant the permission as an install permission for a legacy app. */ 394 private static final int GRANT_INSTALL_LEGACY = 3; 395 396 /** Permission grant: grant the permission as a runtime one. */ 397 private static final int GRANT_RUNTIME = 4; 398 399 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 400 private static final int GRANT_UPGRADE = 5; 401 402 /** Canonical intent used to identify what counts as a "web browser" app */ 403 private static final Intent sBrowserIntent; 404 static { 405 sBrowserIntent = new Intent(); 406 sBrowserIntent.setAction(Intent.ACTION_VIEW); 407 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 408 sBrowserIntent.setData(Uri.parse("http:")); 409 } 410 411 final ServiceThread mHandlerThread; 412 413 final PackageHandler mHandler; 414 415 /** 416 * Messages for {@link #mHandler} that need to wait for system ready before 417 * being dispatched. 418 */ 419 private ArrayList<Message> mPostSystemReadyMessages; 420 421 final int mSdkVersion = Build.VERSION.SDK_INT; 422 423 final Context mContext; 424 final boolean mFactoryTest; 425 final boolean mOnlyCore; 426 final boolean mLazyDexOpt; 427 final long mDexOptLRUThresholdInMills; 428 final DisplayMetrics mMetrics; 429 final int mDefParseFlags; 430 final String[] mSeparateProcesses; 431 final boolean mIsUpgrade; 432 433 // This is where all application persistent data goes. 434 final File mAppDataDir; 435 436 // This is where all application persistent data goes for secondary users. 437 final File mUserAppDataDir; 438 439 /** The location for ASEC container files on internal storage. */ 440 final String mAsecInternalPath; 441 442 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 443 // LOCK HELD. Can be called with mInstallLock held. 444 @GuardedBy("mInstallLock") 445 final Installer mInstaller; 446 447 /** Directory where installed third-party apps stored */ 448 final File mAppInstallDir; 449 450 /** 451 * Directory to which applications installed internally have their 452 * 32 bit native libraries copied. 453 */ 454 private File mAppLib32InstallDir; 455 456 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 457 // apps. 458 final File mDrmAppPrivateInstallDir; 459 460 // ---------------------------------------------------------------- 461 462 // Lock for state used when installing and doing other long running 463 // operations. Methods that must be called with this lock held have 464 // the suffix "LI". 465 final Object mInstallLock = new Object(); 466 467 // ---------------------------------------------------------------- 468 469 // Keys are String (package name), values are Package. This also serves 470 // as the lock for the global state. Methods that must be called with 471 // this lock held have the prefix "LP". 472 @GuardedBy("mPackages") 473 final ArrayMap<String, PackageParser.Package> mPackages = 474 new ArrayMap<String, PackageParser.Package>(); 475 476 // Tracks available target package names -> overlay package paths. 477 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 478 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 479 480 /** 481 * Tracks new system packages [receiving in an OTA] that we expect to 482 * find updated user-installed versions. Keys are package name, values 483 * are package location. 484 */ 485 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 486 487 final Settings mSettings; 488 boolean mRestoredSettings; 489 490 // System configuration read by SystemConfig. 491 final int[] mGlobalGids; 492 final SparseArray<ArraySet<String>> mSystemPermissions; 493 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 494 495 // If mac_permissions.xml was found for seinfo labeling. 496 boolean mFoundPolicyFile; 497 498 // If a recursive restorecon of /data/data/<pkg> is needed. 499 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 500 501 public static final class SharedLibraryEntry { 502 public final String path; 503 public final String apk; 504 505 SharedLibraryEntry(String _path, String _apk) { 506 path = _path; 507 apk = _apk; 508 } 509 } 510 511 // Currently known shared libraries. 512 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 513 new ArrayMap<String, SharedLibraryEntry>(); 514 515 // All available activities, for your resolving pleasure. 516 final ActivityIntentResolver mActivities = 517 new ActivityIntentResolver(); 518 519 // All available receivers, for your resolving pleasure. 520 final ActivityIntentResolver mReceivers = 521 new ActivityIntentResolver(); 522 523 // All available services, for your resolving pleasure. 524 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 525 526 // All available providers, for your resolving pleasure. 527 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 528 529 // Mapping from provider base names (first directory in content URI codePath) 530 // to the provider information. 531 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 532 new ArrayMap<String, PackageParser.Provider>(); 533 534 // Mapping from instrumentation class names to info about them. 535 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 536 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 537 538 // Mapping from permission names to info about them. 539 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 540 new ArrayMap<String, PackageParser.PermissionGroup>(); 541 542 // Packages whose data we have transfered into another package, thus 543 // should no longer exist. 544 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 545 546 // Broadcast actions that are only available to the system. 547 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 548 549 /** List of packages waiting for verification. */ 550 final SparseArray<PackageVerificationState> mPendingVerification 551 = new SparseArray<PackageVerificationState>(); 552 553 /** Set of packages associated with each app op permission. */ 554 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 555 556 final PackageInstallerService mInstallerService; 557 558 private final PackageDexOptimizer mPackageDexOptimizer; 559 560 private AtomicInteger mNextMoveId = new AtomicInteger(); 561 private final MoveCallbacks mMoveCallbacks; 562 563 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 564 565 // Cache of users who need badging. 566 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 567 568 /** Token for keys in mPendingVerification. */ 569 private int mPendingVerificationToken = 0; 570 571 volatile boolean mSystemReady; 572 volatile boolean mSafeMode; 573 volatile boolean mHasSystemUidErrors; 574 575 ApplicationInfo mAndroidApplication; 576 final ActivityInfo mResolveActivity = new ActivityInfo(); 577 final ResolveInfo mResolveInfo = new ResolveInfo(); 578 ComponentName mResolveComponentName; 579 PackageParser.Package mPlatformPackage; 580 ComponentName mCustomResolverComponentName; 581 582 boolean mResolverReplaced = false; 583 584 private final ComponentName mIntentFilterVerifierComponent; 585 private int mIntentFilterVerificationToken = 0; 586 587 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 588 = new SparseArray<IntentFilterVerificationState>(); 589 590 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 591 new DefaultPermissionGrantPolicy(this); 592 593 private static class IFVerificationParams { 594 PackageParser.Package pkg; 595 boolean replacing; 596 int userId; 597 int verifierUid; 598 599 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 600 int _userId, int _verifierUid) { 601 pkg = _pkg; 602 replacing = _replacing; 603 userId = _userId; 604 replacing = _replacing; 605 verifierUid = _verifierUid; 606 } 607 } 608 609 private interface IntentFilterVerifier<T extends IntentFilter> { 610 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 611 T filter, String packageName); 612 void startVerifications(int userId); 613 void receiveVerificationResponse(int verificationId); 614 } 615 616 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 617 private Context mContext; 618 private ComponentName mIntentFilterVerifierComponent; 619 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 620 621 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 622 mContext = context; 623 mIntentFilterVerifierComponent = verifierComponent; 624 } 625 626 private String getDefaultScheme() { 627 return IntentFilter.SCHEME_HTTPS; 628 } 629 630 @Override 631 public void startVerifications(int userId) { 632 // Launch verifications requests 633 int count = mCurrentIntentFilterVerifications.size(); 634 for (int n=0; n<count; n++) { 635 int verificationId = mCurrentIntentFilterVerifications.get(n); 636 final IntentFilterVerificationState ivs = 637 mIntentFilterVerificationStates.get(verificationId); 638 639 String packageName = ivs.getPackageName(); 640 641 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 642 final int filterCount = filters.size(); 643 ArraySet<String> domainsSet = new ArraySet<>(); 644 for (int m=0; m<filterCount; m++) { 645 PackageParser.ActivityIntentInfo filter = filters.get(m); 646 domainsSet.addAll(filter.getHostsList()); 647 } 648 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 649 synchronized (mPackages) { 650 if (mSettings.createIntentFilterVerificationIfNeededLPw( 651 packageName, domainsList) != null) { 652 scheduleWriteSettingsLocked(); 653 } 654 } 655 sendVerificationRequest(userId, verificationId, ivs); 656 } 657 mCurrentIntentFilterVerifications.clear(); 658 } 659 660 private void sendVerificationRequest(int userId, int verificationId, 661 IntentFilterVerificationState ivs) { 662 663 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 664 verificationIntent.putExtra( 665 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 666 verificationId); 667 verificationIntent.putExtra( 668 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 669 getDefaultScheme()); 670 verificationIntent.putExtra( 671 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 672 ivs.getHostsString()); 673 verificationIntent.putExtra( 674 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 675 ivs.getPackageName()); 676 verificationIntent.setComponent(mIntentFilterVerifierComponent); 677 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 678 679 UserHandle user = new UserHandle(userId); 680 mContext.sendBroadcastAsUser(verificationIntent, user); 681 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 682 "Sending IntentFilter verification broadcast"); 683 } 684 685 public void receiveVerificationResponse(int verificationId) { 686 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 687 688 final boolean verified = ivs.isVerified(); 689 690 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 691 final int count = filters.size(); 692 if (DEBUG_DOMAIN_VERIFICATION) { 693 Slog.i(TAG, "Received verification response " + verificationId 694 + " for " + count + " filters, verified=" + verified); 695 } 696 for (int n=0; n<count; n++) { 697 PackageParser.ActivityIntentInfo filter = filters.get(n); 698 filter.setVerified(verified); 699 700 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 701 + " verified with result:" + verified + " and hosts:" 702 + ivs.getHostsString()); 703 } 704 705 mIntentFilterVerificationStates.remove(verificationId); 706 707 final String packageName = ivs.getPackageName(); 708 IntentFilterVerificationInfo ivi = null; 709 710 synchronized (mPackages) { 711 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 712 } 713 if (ivi == null) { 714 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 715 + verificationId + " packageName:" + packageName); 716 return; 717 } 718 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 719 "Updating IntentFilterVerificationInfo for package " + packageName 720 +" verificationId:" + verificationId); 721 722 synchronized (mPackages) { 723 if (verified) { 724 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 725 } else { 726 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 727 } 728 scheduleWriteSettingsLocked(); 729 730 final int userId = ivs.getUserId(); 731 if (userId != UserHandle.USER_ALL) { 732 final int userStatus = 733 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 734 735 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 736 boolean needUpdate = false; 737 738 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 739 // already been set by the User thru the Disambiguation dialog 740 switch (userStatus) { 741 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 742 if (verified) { 743 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 744 } else { 745 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 746 } 747 needUpdate = true; 748 break; 749 750 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 751 if (verified) { 752 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 753 needUpdate = true; 754 } 755 break; 756 757 default: 758 // Nothing to do 759 } 760 761 if (needUpdate) { 762 mSettings.updateIntentFilterVerificationStatusLPw( 763 packageName, updatedStatus, userId); 764 scheduleWritePackageRestrictionsLocked(userId); 765 } 766 } 767 } 768 } 769 770 @Override 771 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 772 ActivityIntentInfo filter, String packageName) { 773 if (!hasValidDomains(filter)) { 774 return false; 775 } 776 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 777 if (ivs == null) { 778 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 779 packageName); 780 } 781 if (DEBUG_DOMAIN_VERIFICATION) { 782 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 783 } 784 ivs.addFilter(filter); 785 return true; 786 } 787 788 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 789 int userId, int verificationId, String packageName) { 790 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 791 verifierUid, userId, packageName); 792 ivs.setPendingState(); 793 synchronized (mPackages) { 794 mIntentFilterVerificationStates.append(verificationId, ivs); 795 mCurrentIntentFilterVerifications.add(verificationId); 796 } 797 return ivs; 798 } 799 } 800 801 private static boolean hasValidDomains(ActivityIntentInfo filter) { 802 boolean hasHTTPorHTTPS = filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 803 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS); 804 if (!hasHTTPorHTTPS) { 805 return false; 806 } 807 return true; 808 } 809 810 private IntentFilterVerifier mIntentFilterVerifier; 811 812 // Set of pending broadcasts for aggregating enable/disable of components. 813 static class PendingPackageBroadcasts { 814 // for each user id, a map of <package name -> components within that package> 815 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 816 817 public PendingPackageBroadcasts() { 818 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 819 } 820 821 public ArrayList<String> get(int userId, String packageName) { 822 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 823 return packages.get(packageName); 824 } 825 826 public void put(int userId, String packageName, ArrayList<String> components) { 827 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 828 packages.put(packageName, components); 829 } 830 831 public void remove(int userId, String packageName) { 832 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 833 if (packages != null) { 834 packages.remove(packageName); 835 } 836 } 837 838 public void remove(int userId) { 839 mUidMap.remove(userId); 840 } 841 842 public int userIdCount() { 843 return mUidMap.size(); 844 } 845 846 public int userIdAt(int n) { 847 return mUidMap.keyAt(n); 848 } 849 850 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 851 return mUidMap.get(userId); 852 } 853 854 public int size() { 855 // total number of pending broadcast entries across all userIds 856 int num = 0; 857 for (int i = 0; i< mUidMap.size(); i++) { 858 num += mUidMap.valueAt(i).size(); 859 } 860 return num; 861 } 862 863 public void clear() { 864 mUidMap.clear(); 865 } 866 867 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 868 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 869 if (map == null) { 870 map = new ArrayMap<String, ArrayList<String>>(); 871 mUidMap.put(userId, map); 872 } 873 return map; 874 } 875 } 876 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 877 878 // Service Connection to remote media container service to copy 879 // package uri's from external media onto secure containers 880 // or internal storage. 881 private IMediaContainerService mContainerService = null; 882 883 static final int SEND_PENDING_BROADCAST = 1; 884 static final int MCS_BOUND = 3; 885 static final int END_COPY = 4; 886 static final int INIT_COPY = 5; 887 static final int MCS_UNBIND = 6; 888 static final int START_CLEANING_PACKAGE = 7; 889 static final int FIND_INSTALL_LOC = 8; 890 static final int POST_INSTALL = 9; 891 static final int MCS_RECONNECT = 10; 892 static final int MCS_GIVE_UP = 11; 893 static final int UPDATED_MEDIA_STATUS = 12; 894 static final int WRITE_SETTINGS = 13; 895 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 896 static final int PACKAGE_VERIFIED = 15; 897 static final int CHECK_PENDING_VERIFICATION = 16; 898 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 899 static final int INTENT_FILTER_VERIFIED = 18; 900 901 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 902 903 // Delay time in millisecs 904 static final int BROADCAST_DELAY = 10 * 1000; 905 906 static UserManagerService sUserManager; 907 908 // Stores a list of users whose package restrictions file needs to be updated 909 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 910 911 final private DefaultContainerConnection mDefContainerConn = 912 new DefaultContainerConnection(); 913 class DefaultContainerConnection implements ServiceConnection { 914 public void onServiceConnected(ComponentName name, IBinder service) { 915 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 916 IMediaContainerService imcs = 917 IMediaContainerService.Stub.asInterface(service); 918 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 919 } 920 921 public void onServiceDisconnected(ComponentName name) { 922 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 923 } 924 } 925 926 // Recordkeeping of restore-after-install operations that are currently in flight 927 // between the Package Manager and the Backup Manager 928 class PostInstallData { 929 public InstallArgs args; 930 public PackageInstalledInfo res; 931 932 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 933 args = _a; 934 res = _r; 935 } 936 } 937 938 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 939 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 940 941 // XML tags for backup/restore of various bits of state 942 private static final String TAG_PREFERRED_BACKUP = "pa"; 943 private static final String TAG_DEFAULT_APPS = "da"; 944 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 945 946 final String mRequiredVerifierPackage; 947 final String mRequiredInstallerPackage; 948 949 private final PackageUsage mPackageUsage = new PackageUsage(); 950 951 private class PackageUsage { 952 private static final int WRITE_INTERVAL 953 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 954 955 private final Object mFileLock = new Object(); 956 private final AtomicLong mLastWritten = new AtomicLong(0); 957 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 958 959 private boolean mIsHistoricalPackageUsageAvailable = true; 960 961 boolean isHistoricalPackageUsageAvailable() { 962 return mIsHistoricalPackageUsageAvailable; 963 } 964 965 void write(boolean force) { 966 if (force) { 967 writeInternal(); 968 return; 969 } 970 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 971 && !DEBUG_DEXOPT) { 972 return; 973 } 974 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 975 new Thread("PackageUsage_DiskWriter") { 976 @Override 977 public void run() { 978 try { 979 writeInternal(); 980 } finally { 981 mBackgroundWriteRunning.set(false); 982 } 983 } 984 }.start(); 985 } 986 } 987 988 private void writeInternal() { 989 synchronized (mPackages) { 990 synchronized (mFileLock) { 991 AtomicFile file = getFile(); 992 FileOutputStream f = null; 993 try { 994 f = file.startWrite(); 995 BufferedOutputStream out = new BufferedOutputStream(f); 996 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 997 StringBuilder sb = new StringBuilder(); 998 for (PackageParser.Package pkg : mPackages.values()) { 999 if (pkg.mLastPackageUsageTimeInMills == 0) { 1000 continue; 1001 } 1002 sb.setLength(0); 1003 sb.append(pkg.packageName); 1004 sb.append(' '); 1005 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1006 sb.append('\n'); 1007 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1008 } 1009 out.flush(); 1010 file.finishWrite(f); 1011 } catch (IOException e) { 1012 if (f != null) { 1013 file.failWrite(f); 1014 } 1015 Log.e(TAG, "Failed to write package usage times", e); 1016 } 1017 } 1018 } 1019 mLastWritten.set(SystemClock.elapsedRealtime()); 1020 } 1021 1022 void readLP() { 1023 synchronized (mFileLock) { 1024 AtomicFile file = getFile(); 1025 BufferedInputStream in = null; 1026 try { 1027 in = new BufferedInputStream(file.openRead()); 1028 StringBuffer sb = new StringBuffer(); 1029 while (true) { 1030 String packageName = readToken(in, sb, ' '); 1031 if (packageName == null) { 1032 break; 1033 } 1034 String timeInMillisString = readToken(in, sb, '\n'); 1035 if (timeInMillisString == null) { 1036 throw new IOException("Failed to find last usage time for package " 1037 + packageName); 1038 } 1039 PackageParser.Package pkg = mPackages.get(packageName); 1040 if (pkg == null) { 1041 continue; 1042 } 1043 long timeInMillis; 1044 try { 1045 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1046 } catch (NumberFormatException e) { 1047 throw new IOException("Failed to parse " + timeInMillisString 1048 + " as a long.", e); 1049 } 1050 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1051 } 1052 } catch (FileNotFoundException expected) { 1053 mIsHistoricalPackageUsageAvailable = false; 1054 } catch (IOException e) { 1055 Log.w(TAG, "Failed to read package usage times", e); 1056 } finally { 1057 IoUtils.closeQuietly(in); 1058 } 1059 } 1060 mLastWritten.set(SystemClock.elapsedRealtime()); 1061 } 1062 1063 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1064 throws IOException { 1065 sb.setLength(0); 1066 while (true) { 1067 int ch = in.read(); 1068 if (ch == -1) { 1069 if (sb.length() == 0) { 1070 return null; 1071 } 1072 throw new IOException("Unexpected EOF"); 1073 } 1074 if (ch == endOfToken) { 1075 return sb.toString(); 1076 } 1077 sb.append((char)ch); 1078 } 1079 } 1080 1081 private AtomicFile getFile() { 1082 File dataDir = Environment.getDataDirectory(); 1083 File systemDir = new File(dataDir, "system"); 1084 File fname = new File(systemDir, "package-usage.list"); 1085 return new AtomicFile(fname); 1086 } 1087 } 1088 1089 class PackageHandler extends Handler { 1090 private boolean mBound = false; 1091 final ArrayList<HandlerParams> mPendingInstalls = 1092 new ArrayList<HandlerParams>(); 1093 1094 private boolean connectToService() { 1095 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1096 " DefaultContainerService"); 1097 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1098 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1099 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1100 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1101 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1102 mBound = true; 1103 return true; 1104 } 1105 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1106 return false; 1107 } 1108 1109 private void disconnectService() { 1110 mContainerService = null; 1111 mBound = false; 1112 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1113 mContext.unbindService(mDefContainerConn); 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1115 } 1116 1117 PackageHandler(Looper looper) { 1118 super(looper); 1119 } 1120 1121 public void handleMessage(Message msg) { 1122 try { 1123 doHandleMessage(msg); 1124 } finally { 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } 1127 } 1128 1129 void doHandleMessage(Message msg) { 1130 switch (msg.what) { 1131 case INIT_COPY: { 1132 HandlerParams params = (HandlerParams) msg.obj; 1133 int idx = mPendingInstalls.size(); 1134 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1135 // If a bind was already initiated we dont really 1136 // need to do anything. The pending install 1137 // will be processed later on. 1138 if (!mBound) { 1139 // If this is the only one pending we might 1140 // have to bind to the service again. 1141 if (!connectToService()) { 1142 Slog.e(TAG, "Failed to bind to media container service"); 1143 params.serviceError(); 1144 return; 1145 } else { 1146 // Once we bind to the service, the first 1147 // pending request will be processed. 1148 mPendingInstalls.add(idx, params); 1149 } 1150 } else { 1151 mPendingInstalls.add(idx, params); 1152 // Already bound to the service. Just make 1153 // sure we trigger off processing the first request. 1154 if (idx == 0) { 1155 mHandler.sendEmptyMessage(MCS_BOUND); 1156 } 1157 } 1158 break; 1159 } 1160 case MCS_BOUND: { 1161 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1162 if (msg.obj != null) { 1163 mContainerService = (IMediaContainerService) msg.obj; 1164 } 1165 if (mContainerService == null) { 1166 if (!mBound) { 1167 // Something seriously wrong since we are not bound and we are not 1168 // waiting for connection. Bail out. 1169 Slog.e(TAG, "Cannot bind to media container service"); 1170 for (HandlerParams params : mPendingInstalls) { 1171 // Indicate service bind error 1172 params.serviceError(); 1173 } 1174 mPendingInstalls.clear(); 1175 } else { 1176 Slog.w(TAG, "Waiting to connect to media container service"); 1177 } 1178 } else if (mPendingInstalls.size() > 0) { 1179 HandlerParams params = mPendingInstalls.get(0); 1180 if (params != null) { 1181 if (params.startCopy()) { 1182 // We are done... look for more work or to 1183 // go idle. 1184 if (DEBUG_SD_INSTALL) Log.i(TAG, 1185 "Checking for more work or unbind..."); 1186 // Delete pending install 1187 if (mPendingInstalls.size() > 0) { 1188 mPendingInstalls.remove(0); 1189 } 1190 if (mPendingInstalls.size() == 0) { 1191 if (mBound) { 1192 if (DEBUG_SD_INSTALL) Log.i(TAG, 1193 "Posting delayed MCS_UNBIND"); 1194 removeMessages(MCS_UNBIND); 1195 Message ubmsg = obtainMessage(MCS_UNBIND); 1196 // Unbind after a little delay, to avoid 1197 // continual thrashing. 1198 sendMessageDelayed(ubmsg, 10000); 1199 } 1200 } else { 1201 // There are more pending requests in queue. 1202 // Just post MCS_BOUND message to trigger processing 1203 // of next pending install. 1204 if (DEBUG_SD_INSTALL) Log.i(TAG, 1205 "Posting MCS_BOUND for next work"); 1206 mHandler.sendEmptyMessage(MCS_BOUND); 1207 } 1208 } 1209 } 1210 } else { 1211 // Should never happen ideally. 1212 Slog.w(TAG, "Empty queue"); 1213 } 1214 break; 1215 } 1216 case MCS_RECONNECT: { 1217 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1218 if (mPendingInstalls.size() > 0) { 1219 if (mBound) { 1220 disconnectService(); 1221 } 1222 if (!connectToService()) { 1223 Slog.e(TAG, "Failed to bind to media container service"); 1224 for (HandlerParams params : mPendingInstalls) { 1225 // Indicate service bind error 1226 params.serviceError(); 1227 } 1228 mPendingInstalls.clear(); 1229 } 1230 } 1231 break; 1232 } 1233 case MCS_UNBIND: { 1234 // If there is no actual work left, then time to unbind. 1235 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1236 1237 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1238 if (mBound) { 1239 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1240 1241 disconnectService(); 1242 } 1243 } else if (mPendingInstalls.size() > 0) { 1244 // There are more pending requests in queue. 1245 // Just post MCS_BOUND message to trigger processing 1246 // of next pending install. 1247 mHandler.sendEmptyMessage(MCS_BOUND); 1248 } 1249 1250 break; 1251 } 1252 case MCS_GIVE_UP: { 1253 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1254 mPendingInstalls.remove(0); 1255 break; 1256 } 1257 case SEND_PENDING_BROADCAST: { 1258 String packages[]; 1259 ArrayList<String> components[]; 1260 int size = 0; 1261 int uids[]; 1262 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1263 synchronized (mPackages) { 1264 if (mPendingBroadcasts == null) { 1265 return; 1266 } 1267 size = mPendingBroadcasts.size(); 1268 if (size <= 0) { 1269 // Nothing to be done. Just return 1270 return; 1271 } 1272 packages = new String[size]; 1273 components = new ArrayList[size]; 1274 uids = new int[size]; 1275 int i = 0; // filling out the above arrays 1276 1277 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1278 int packageUserId = mPendingBroadcasts.userIdAt(n); 1279 Iterator<Map.Entry<String, ArrayList<String>>> it 1280 = mPendingBroadcasts.packagesForUserId(packageUserId) 1281 .entrySet().iterator(); 1282 while (it.hasNext() && i < size) { 1283 Map.Entry<String, ArrayList<String>> ent = it.next(); 1284 packages[i] = ent.getKey(); 1285 components[i] = ent.getValue(); 1286 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1287 uids[i] = (ps != null) 1288 ? UserHandle.getUid(packageUserId, ps.appId) 1289 : -1; 1290 i++; 1291 } 1292 } 1293 size = i; 1294 mPendingBroadcasts.clear(); 1295 } 1296 // Send broadcasts 1297 for (int i = 0; i < size; i++) { 1298 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1299 } 1300 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1301 break; 1302 } 1303 case START_CLEANING_PACKAGE: { 1304 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1305 final String packageName = (String)msg.obj; 1306 final int userId = msg.arg1; 1307 final boolean andCode = msg.arg2 != 0; 1308 synchronized (mPackages) { 1309 if (userId == UserHandle.USER_ALL) { 1310 int[] users = sUserManager.getUserIds(); 1311 for (int user : users) { 1312 mSettings.addPackageToCleanLPw( 1313 new PackageCleanItem(user, packageName, andCode)); 1314 } 1315 } else { 1316 mSettings.addPackageToCleanLPw( 1317 new PackageCleanItem(userId, packageName, andCode)); 1318 } 1319 } 1320 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1321 startCleaningPackages(); 1322 } break; 1323 case POST_INSTALL: { 1324 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1325 PostInstallData data = mRunningInstalls.get(msg.arg1); 1326 mRunningInstalls.delete(msg.arg1); 1327 boolean deleteOld = false; 1328 1329 if (data != null) { 1330 InstallArgs args = data.args; 1331 PackageInstalledInfo res = data.res; 1332 1333 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1334 final String packageName = res.pkg.applicationInfo.packageName; 1335 res.removedInfo.sendBroadcast(false, true, false); 1336 Bundle extras = new Bundle(1); 1337 extras.putInt(Intent.EXTRA_UID, res.uid); 1338 1339 // Now that we successfully installed the package, grant runtime 1340 // permissions if requested before broadcasting the install. 1341 if ((args.installFlags 1342 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1343 grantRequestedRuntimePermissions(res.pkg, 1344 args.user.getIdentifier()); 1345 } 1346 1347 // Determine the set of users who are adding this 1348 // package for the first time vs. those who are seeing 1349 // an update. 1350 int[] firstUsers; 1351 int[] updateUsers = new int[0]; 1352 if (res.origUsers == null || res.origUsers.length == 0) { 1353 firstUsers = res.newUsers; 1354 } else { 1355 firstUsers = new int[0]; 1356 for (int i=0; i<res.newUsers.length; i++) { 1357 int user = res.newUsers[i]; 1358 boolean isNew = true; 1359 for (int j=0; j<res.origUsers.length; j++) { 1360 if (res.origUsers[j] == user) { 1361 isNew = false; 1362 break; 1363 } 1364 } 1365 if (isNew) { 1366 int[] newFirst = new int[firstUsers.length+1]; 1367 System.arraycopy(firstUsers, 0, newFirst, 0, 1368 firstUsers.length); 1369 newFirst[firstUsers.length] = user; 1370 firstUsers = newFirst; 1371 } else { 1372 int[] newUpdate = new int[updateUsers.length+1]; 1373 System.arraycopy(updateUsers, 0, newUpdate, 0, 1374 updateUsers.length); 1375 newUpdate[updateUsers.length] = user; 1376 updateUsers = newUpdate; 1377 } 1378 } 1379 } 1380 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1381 packageName, extras, null, null, firstUsers); 1382 final boolean update = res.removedInfo.removedPackage != null; 1383 if (update) { 1384 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1385 } 1386 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1387 packageName, extras, null, null, updateUsers); 1388 if (update) { 1389 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1390 packageName, extras, null, null, updateUsers); 1391 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1392 null, null, packageName, null, updateUsers); 1393 1394 // treat asec-hosted packages like removable media on upgrade 1395 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1396 if (DEBUG_INSTALL) { 1397 Slog.i(TAG, "upgrading pkg " + res.pkg 1398 + " is ASEC-hosted -> AVAILABLE"); 1399 } 1400 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1401 ArrayList<String> pkgList = new ArrayList<String>(1); 1402 pkgList.add(packageName); 1403 sendResourcesChangedBroadcast(true, true, 1404 pkgList,uidArray, null); 1405 } 1406 } 1407 if (res.removedInfo.args != null) { 1408 // Remove the replaced package's older resources safely now 1409 deleteOld = true; 1410 } 1411 1412 // If this app is a browser and it's newly-installed for some 1413 // users, clear any default-browser state in those users 1414 if (firstUsers.length > 0) { 1415 // the app's nature doesn't depend on the user, so we can just 1416 // check its browser nature in any user and generalize. 1417 if (packageIsBrowser(packageName, firstUsers[0])) { 1418 synchronized (mPackages) { 1419 for (int userId : firstUsers) { 1420 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1421 } 1422 } 1423 } 1424 } 1425 // Log current value of "unknown sources" setting 1426 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1427 getUnknownSourcesSettings()); 1428 } 1429 // Force a gc to clear up things 1430 Runtime.getRuntime().gc(); 1431 // We delete after a gc for applications on sdcard. 1432 if (deleteOld) { 1433 synchronized (mInstallLock) { 1434 res.removedInfo.args.doPostDeleteLI(true); 1435 } 1436 } 1437 if (args.observer != null) { 1438 try { 1439 Bundle extras = extrasForInstallResult(res); 1440 args.observer.onPackageInstalled(res.name, res.returnCode, 1441 res.returnMsg, extras); 1442 } catch (RemoteException e) { 1443 Slog.i(TAG, "Observer no longer exists."); 1444 } 1445 } 1446 } else { 1447 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1448 } 1449 } break; 1450 case UPDATED_MEDIA_STATUS: { 1451 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1452 boolean reportStatus = msg.arg1 == 1; 1453 boolean doGc = msg.arg2 == 1; 1454 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1455 if (doGc) { 1456 // Force a gc to clear up stale containers. 1457 Runtime.getRuntime().gc(); 1458 } 1459 if (msg.obj != null) { 1460 @SuppressWarnings("unchecked") 1461 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1463 // Unload containers 1464 unloadAllContainers(args); 1465 } 1466 if (reportStatus) { 1467 try { 1468 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1469 PackageHelper.getMountService().finishMediaUpdate(); 1470 } catch (RemoteException e) { 1471 Log.e(TAG, "MountService not running?"); 1472 } 1473 } 1474 } break; 1475 case WRITE_SETTINGS: { 1476 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1477 synchronized (mPackages) { 1478 removeMessages(WRITE_SETTINGS); 1479 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1480 mSettings.writeLPr(); 1481 mDirtyUsers.clear(); 1482 } 1483 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1484 } break; 1485 case WRITE_PACKAGE_RESTRICTIONS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1489 for (int userId : mDirtyUsers) { 1490 mSettings.writePackageRestrictionsLPr(userId); 1491 } 1492 mDirtyUsers.clear(); 1493 } 1494 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1495 } break; 1496 case CHECK_PENDING_VERIFICATION: { 1497 final int verificationId = msg.arg1; 1498 final PackageVerificationState state = mPendingVerification.get(verificationId); 1499 1500 if ((state != null) && !state.timeoutExtended()) { 1501 final InstallArgs args = state.getInstallArgs(); 1502 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1503 1504 Slog.i(TAG, "Verification timed out for " + originUri); 1505 mPendingVerification.remove(verificationId); 1506 1507 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1508 1509 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1510 Slog.i(TAG, "Continuing with installation of " + originUri); 1511 state.setVerifierResponse(Binder.getCallingUid(), 1512 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1513 broadcastPackageVerified(verificationId, originUri, 1514 PackageManager.VERIFICATION_ALLOW, 1515 state.getInstallArgs().getUser()); 1516 try { 1517 ret = args.copyApk(mContainerService, true); 1518 } catch (RemoteException e) { 1519 Slog.e(TAG, "Could not contact the ContainerService"); 1520 } 1521 } else { 1522 broadcastPackageVerified(verificationId, originUri, 1523 PackageManager.VERIFICATION_REJECT, 1524 state.getInstallArgs().getUser()); 1525 } 1526 1527 processPendingInstall(args, ret); 1528 mHandler.sendEmptyMessage(MCS_UNBIND); 1529 } 1530 break; 1531 } 1532 case PACKAGE_VERIFIED: { 1533 final int verificationId = msg.arg1; 1534 1535 final PackageVerificationState state = mPendingVerification.get(verificationId); 1536 if (state == null) { 1537 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1538 break; 1539 } 1540 1541 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1542 1543 state.setVerifierResponse(response.callerUid, response.code); 1544 1545 if (state.isVerificationComplete()) { 1546 mPendingVerification.remove(verificationId); 1547 1548 final InstallArgs args = state.getInstallArgs(); 1549 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1550 1551 int ret; 1552 if (state.isInstallAllowed()) { 1553 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1554 broadcastPackageVerified(verificationId, originUri, 1555 response.code, state.getInstallArgs().getUser()); 1556 try { 1557 ret = args.copyApk(mContainerService, true); 1558 } catch (RemoteException e) { 1559 Slog.e(TAG, "Could not contact the ContainerService"); 1560 } 1561 } else { 1562 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1563 } 1564 1565 processPendingInstall(args, ret); 1566 1567 mHandler.sendEmptyMessage(MCS_UNBIND); 1568 } 1569 1570 break; 1571 } 1572 case START_INTENT_FILTER_VERIFICATIONS: { 1573 IFVerificationParams params = (IFVerificationParams) msg.obj; 1574 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1575 params.replacing, params.pkg); 1576 break; 1577 } 1578 case INTENT_FILTER_VERIFIED: { 1579 final int verificationId = msg.arg1; 1580 1581 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1582 verificationId); 1583 if (state == null) { 1584 Slog.w(TAG, "Invalid IntentFilter verification token " 1585 + verificationId + " received"); 1586 break; 1587 } 1588 1589 final int userId = state.getUserId(); 1590 1591 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1592 "Processing IntentFilter verification with token:" 1593 + verificationId + " and userId:" + userId); 1594 1595 final IntentFilterVerificationResponse response = 1596 (IntentFilterVerificationResponse) msg.obj; 1597 1598 state.setVerifierResponse(response.callerUid, response.code); 1599 1600 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1601 "IntentFilter verification with token:" + verificationId 1602 + " and userId:" + userId 1603 + " is settings verifier response with response code:" 1604 + response.code); 1605 1606 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1607 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1608 + response.getFailedDomainsString()); 1609 } 1610 1611 if (state.isVerificationComplete()) { 1612 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1613 } else { 1614 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1615 "IntentFilter verification with token:" + verificationId 1616 + " was not said to be complete"); 1617 } 1618 1619 break; 1620 } 1621 } 1622 } 1623 } 1624 1625 private StorageEventListener mStorageListener = new StorageEventListener() { 1626 @Override 1627 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1628 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1629 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1630 final String volumeUuid = vol.getFsUuid(); 1631 1632 // Clean up any users or apps that were removed or recreated 1633 // while this volume was missing 1634 reconcileUsers(volumeUuid); 1635 reconcileApps(volumeUuid); 1636 1637 // Clean up any install sessions that expired or were 1638 // cancelled while this volume was missing 1639 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1640 1641 loadPrivatePackages(vol); 1642 1643 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1644 unloadPrivatePackages(vol); 1645 } 1646 } 1647 1648 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1649 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1650 updateExternalMediaStatus(true, false); 1651 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1652 updateExternalMediaStatus(false, false); 1653 } 1654 } 1655 } 1656 1657 @Override 1658 public void onVolumeForgotten(String fsUuid) { 1659 // Remove any apps installed on the forgotten volume 1660 synchronized (mPackages) { 1661 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1662 for (PackageSetting ps : packages) { 1663 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1664 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1665 UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS); 1666 } 1667 1668 mSettings.writeLPr(); 1669 } 1670 } 1671 }; 1672 1673 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId) { 1674 if (userId >= UserHandle.USER_OWNER) { 1675 grantRequestedRuntimePermissionsForUser(pkg, userId); 1676 } else if (userId == UserHandle.USER_ALL) { 1677 for (int someUserId : UserManagerService.getInstance().getUserIds()) { 1678 grantRequestedRuntimePermissionsForUser(pkg, someUserId); 1679 } 1680 } 1681 1682 // We could have touched GID membership, so flush out packages.list 1683 synchronized (mPackages) { 1684 mSettings.writePackageListLPr(); 1685 } 1686 } 1687 1688 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId) { 1689 SettingBase sb = (SettingBase) pkg.mExtras; 1690 if (sb == null) { 1691 return; 1692 } 1693 1694 PermissionsState permissionsState = sb.getPermissionsState(); 1695 1696 for (String permission : pkg.requestedPermissions) { 1697 BasePermission bp = mSettings.mPermissions.get(permission); 1698 if (bp != null && bp.isRuntime()) { 1699 permissionsState.grantRuntimePermission(bp, userId); 1700 } 1701 } 1702 } 1703 1704 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1705 Bundle extras = null; 1706 switch (res.returnCode) { 1707 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1708 extras = new Bundle(); 1709 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1710 res.origPermission); 1711 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1712 res.origPackage); 1713 break; 1714 } 1715 case PackageManager.INSTALL_SUCCEEDED: { 1716 extras = new Bundle(); 1717 extras.putBoolean(Intent.EXTRA_REPLACING, 1718 res.removedInfo != null && res.removedInfo.removedPackage != null); 1719 break; 1720 } 1721 } 1722 return extras; 1723 } 1724 1725 void scheduleWriteSettingsLocked() { 1726 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1727 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1728 } 1729 } 1730 1731 void scheduleWritePackageRestrictionsLocked(int userId) { 1732 if (!sUserManager.exists(userId)) return; 1733 mDirtyUsers.add(userId); 1734 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1735 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1736 } 1737 } 1738 1739 public static PackageManagerService main(Context context, Installer installer, 1740 boolean factoryTest, boolean onlyCore) { 1741 PackageManagerService m = new PackageManagerService(context, installer, 1742 factoryTest, onlyCore); 1743 ServiceManager.addService("package", m); 1744 return m; 1745 } 1746 1747 static String[] splitString(String str, char sep) { 1748 int count = 1; 1749 int i = 0; 1750 while ((i=str.indexOf(sep, i)) >= 0) { 1751 count++; 1752 i++; 1753 } 1754 1755 String[] res = new String[count]; 1756 i=0; 1757 count = 0; 1758 int lastI=0; 1759 while ((i=str.indexOf(sep, i)) >= 0) { 1760 res[count] = str.substring(lastI, i); 1761 count++; 1762 i++; 1763 lastI = i; 1764 } 1765 res[count] = str.substring(lastI, str.length()); 1766 return res; 1767 } 1768 1769 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1770 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1771 Context.DISPLAY_SERVICE); 1772 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1773 } 1774 1775 public PackageManagerService(Context context, Installer installer, 1776 boolean factoryTest, boolean onlyCore) { 1777 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1778 SystemClock.uptimeMillis()); 1779 1780 if (mSdkVersion <= 0) { 1781 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1782 } 1783 1784 mContext = context; 1785 mFactoryTest = factoryTest; 1786 mOnlyCore = onlyCore; 1787 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1788 mMetrics = new DisplayMetrics(); 1789 mSettings = new Settings(mPackages); 1790 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1791 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1792 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1793 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1794 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1795 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1796 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1797 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1798 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1799 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1800 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1801 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1802 1803 // TODO: add a property to control this? 1804 long dexOptLRUThresholdInMinutes; 1805 if (mLazyDexOpt) { 1806 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1807 } else { 1808 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1809 } 1810 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1811 1812 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1813 if (separateProcesses != null && separateProcesses.length() > 0) { 1814 if ("*".equals(separateProcesses)) { 1815 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1816 mSeparateProcesses = null; 1817 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1818 } else { 1819 mDefParseFlags = 0; 1820 mSeparateProcesses = separateProcesses.split(","); 1821 Slog.w(TAG, "Running with debug.separate_processes: " 1822 + separateProcesses); 1823 } 1824 } else { 1825 mDefParseFlags = 0; 1826 mSeparateProcesses = null; 1827 } 1828 1829 mInstaller = installer; 1830 mPackageDexOptimizer = new PackageDexOptimizer(this); 1831 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1832 1833 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1834 FgThread.get().getLooper()); 1835 1836 getDefaultDisplayMetrics(context, mMetrics); 1837 1838 SystemConfig systemConfig = SystemConfig.getInstance(); 1839 mGlobalGids = systemConfig.getGlobalGids(); 1840 mSystemPermissions = systemConfig.getSystemPermissions(); 1841 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1842 1843 synchronized (mInstallLock) { 1844 // writer 1845 synchronized (mPackages) { 1846 mHandlerThread = new ServiceThread(TAG, 1847 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1848 mHandlerThread.start(); 1849 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1850 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1851 1852 File dataDir = Environment.getDataDirectory(); 1853 mAppDataDir = new File(dataDir, "data"); 1854 mAppInstallDir = new File(dataDir, "app"); 1855 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1856 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1857 mUserAppDataDir = new File(dataDir, "user"); 1858 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1859 1860 sUserManager = new UserManagerService(context, this, 1861 mInstallLock, mPackages); 1862 1863 // Propagate permission configuration in to package manager. 1864 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1865 = systemConfig.getPermissions(); 1866 for (int i=0; i<permConfig.size(); i++) { 1867 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1868 BasePermission bp = mSettings.mPermissions.get(perm.name); 1869 if (bp == null) { 1870 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1871 mSettings.mPermissions.put(perm.name, bp); 1872 } 1873 if (perm.gids != null) { 1874 bp.setGids(perm.gids, perm.perUser); 1875 } 1876 } 1877 1878 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1879 for (int i=0; i<libConfig.size(); i++) { 1880 mSharedLibraries.put(libConfig.keyAt(i), 1881 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1882 } 1883 1884 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1885 1886 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1887 mSdkVersion, mOnlyCore); 1888 1889 String customResolverActivity = Resources.getSystem().getString( 1890 R.string.config_customResolverActivity); 1891 if (TextUtils.isEmpty(customResolverActivity)) { 1892 customResolverActivity = null; 1893 } else { 1894 mCustomResolverComponentName = ComponentName.unflattenFromString( 1895 customResolverActivity); 1896 } 1897 1898 long startTime = SystemClock.uptimeMillis(); 1899 1900 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1901 startTime); 1902 1903 // Set flag to monitor and not change apk file paths when 1904 // scanning install directories. 1905 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1906 1907 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1908 1909 /** 1910 * Add everything in the in the boot class path to the 1911 * list of process files because dexopt will have been run 1912 * if necessary during zygote startup. 1913 */ 1914 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1915 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1916 1917 if (bootClassPath != null) { 1918 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1919 for (String element : bootClassPathElements) { 1920 alreadyDexOpted.add(element); 1921 } 1922 } else { 1923 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1924 } 1925 1926 if (systemServerClassPath != null) { 1927 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1928 for (String element : systemServerClassPathElements) { 1929 alreadyDexOpted.add(element); 1930 } 1931 } else { 1932 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1933 } 1934 1935 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1936 final String[] dexCodeInstructionSets = 1937 getDexCodeInstructionSets( 1938 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1939 1940 /** 1941 * Ensure all external libraries have had dexopt run on them. 1942 */ 1943 if (mSharedLibraries.size() > 0) { 1944 // NOTE: For now, we're compiling these system "shared libraries" 1945 // (and framework jars) into all available architectures. It's possible 1946 // to compile them only when we come across an app that uses them (there's 1947 // already logic for that in scanPackageLI) but that adds some complexity. 1948 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1949 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1950 final String lib = libEntry.path; 1951 if (lib == null) { 1952 continue; 1953 } 1954 1955 try { 1956 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1957 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1958 alreadyDexOpted.add(lib); 1959 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1960 } 1961 } catch (FileNotFoundException e) { 1962 Slog.w(TAG, "Library not found: " + lib); 1963 } catch (IOException e) { 1964 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1965 + e.getMessage()); 1966 } 1967 } 1968 } 1969 } 1970 1971 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1972 1973 // Gross hack for now: we know this file doesn't contain any 1974 // code, so don't dexopt it to avoid the resulting log spew. 1975 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1976 1977 // Gross hack for now: we know this file is only part of 1978 // the boot class path for art, so don't dexopt it to 1979 // avoid the resulting log spew. 1980 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1981 1982 /** 1983 * There are a number of commands implemented in Java, which 1984 * we currently need to do the dexopt on so that they can be 1985 * run from a non-root shell. 1986 */ 1987 String[] frameworkFiles = frameworkDir.list(); 1988 if (frameworkFiles != null) { 1989 // TODO: We could compile these only for the most preferred ABI. We should 1990 // first double check that the dex files for these commands are not referenced 1991 // by other system apps. 1992 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1993 for (int i=0; i<frameworkFiles.length; i++) { 1994 File libPath = new File(frameworkDir, frameworkFiles[i]); 1995 String path = libPath.getPath(); 1996 // Skip the file if we already did it. 1997 if (alreadyDexOpted.contains(path)) { 1998 continue; 1999 } 2000 // Skip the file if it is not a type we want to dexopt. 2001 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2002 continue; 2003 } 2004 try { 2005 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2006 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2007 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 2008 } 2009 } catch (FileNotFoundException e) { 2010 Slog.w(TAG, "Jar not found: " + path); 2011 } catch (IOException e) { 2012 Slog.w(TAG, "Exception reading jar: " + path, e); 2013 } 2014 } 2015 } 2016 } 2017 2018 // Collect vendor overlay packages. 2019 // (Do this before scanning any apps.) 2020 // For security and version matching reason, only consider 2021 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2022 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2023 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2024 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2025 2026 // Find base frameworks (resource packages without code). 2027 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2028 | PackageParser.PARSE_IS_SYSTEM_DIR 2029 | PackageParser.PARSE_IS_PRIVILEGED, 2030 scanFlags | SCAN_NO_DEX, 0); 2031 2032 // Collected privileged system packages. 2033 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2034 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2035 | PackageParser.PARSE_IS_SYSTEM_DIR 2036 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2037 2038 // Collect ordinary system packages. 2039 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2040 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2041 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2042 2043 // Collect all vendor packages. 2044 File vendorAppDir = new File("/vendor/app"); 2045 try { 2046 vendorAppDir = vendorAppDir.getCanonicalFile(); 2047 } catch (IOException e) { 2048 // failed to look up canonical path, continue with original one 2049 } 2050 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2051 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2052 2053 // Collect all OEM packages. 2054 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2055 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2056 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2057 2058 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2059 mInstaller.moveFiles(); 2060 2061 // Prune any system packages that no longer exist. 2062 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2063 if (!mOnlyCore) { 2064 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2065 while (psit.hasNext()) { 2066 PackageSetting ps = psit.next(); 2067 2068 /* 2069 * If this is not a system app, it can't be a 2070 * disable system app. 2071 */ 2072 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2073 continue; 2074 } 2075 2076 /* 2077 * If the package is scanned, it's not erased. 2078 */ 2079 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2080 if (scannedPkg != null) { 2081 /* 2082 * If the system app is both scanned and in the 2083 * disabled packages list, then it must have been 2084 * added via OTA. Remove it from the currently 2085 * scanned package so the previously user-installed 2086 * application can be scanned. 2087 */ 2088 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2089 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2090 + ps.name + "; removing system app. Last known codePath=" 2091 + ps.codePathString + ", installStatus=" + ps.installStatus 2092 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2093 + scannedPkg.mVersionCode); 2094 removePackageLI(ps, true); 2095 mExpectingBetter.put(ps.name, ps.codePath); 2096 } 2097 2098 continue; 2099 } 2100 2101 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2102 psit.remove(); 2103 logCriticalInfo(Log.WARN, "System package " + ps.name 2104 + " no longer exists; wiping its data"); 2105 removeDataDirsLI(null, ps.name); 2106 } else { 2107 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2108 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2109 possiblyDeletedUpdatedSystemApps.add(ps.name); 2110 } 2111 } 2112 } 2113 } 2114 2115 //look for any incomplete package installations 2116 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2117 //clean up list 2118 for(int i = 0; i < deletePkgsList.size(); i++) { 2119 //clean up here 2120 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2121 } 2122 //delete tmp files 2123 deleteTempPackageFiles(); 2124 2125 // Remove any shared userIDs that have no associated packages 2126 mSettings.pruneSharedUsersLPw(); 2127 2128 if (!mOnlyCore) { 2129 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2130 SystemClock.uptimeMillis()); 2131 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2132 2133 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2134 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2135 2136 /** 2137 * Remove disable package settings for any updated system 2138 * apps that were removed via an OTA. If they're not a 2139 * previously-updated app, remove them completely. 2140 * Otherwise, just revoke their system-level permissions. 2141 */ 2142 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2143 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2144 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2145 2146 String msg; 2147 if (deletedPkg == null) { 2148 msg = "Updated system package " + deletedAppName 2149 + " no longer exists; wiping its data"; 2150 removeDataDirsLI(null, deletedAppName); 2151 } else { 2152 msg = "Updated system app + " + deletedAppName 2153 + " no longer present; removing system privileges for " 2154 + deletedAppName; 2155 2156 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2157 2158 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2159 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2160 } 2161 logCriticalInfo(Log.WARN, msg); 2162 } 2163 2164 /** 2165 * Make sure all system apps that we expected to appear on 2166 * the userdata partition actually showed up. If they never 2167 * appeared, crawl back and revive the system version. 2168 */ 2169 for (int i = 0; i < mExpectingBetter.size(); i++) { 2170 final String packageName = mExpectingBetter.keyAt(i); 2171 if (!mPackages.containsKey(packageName)) { 2172 final File scanFile = mExpectingBetter.valueAt(i); 2173 2174 logCriticalInfo(Log.WARN, "Expected better " + packageName 2175 + " but never showed up; reverting to system"); 2176 2177 final int reparseFlags; 2178 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2179 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2180 | PackageParser.PARSE_IS_SYSTEM_DIR 2181 | PackageParser.PARSE_IS_PRIVILEGED; 2182 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2183 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2184 | PackageParser.PARSE_IS_SYSTEM_DIR; 2185 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2186 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2187 | PackageParser.PARSE_IS_SYSTEM_DIR; 2188 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2189 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2190 | PackageParser.PARSE_IS_SYSTEM_DIR; 2191 } else { 2192 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2193 continue; 2194 } 2195 2196 mSettings.enableSystemPackageLPw(packageName); 2197 2198 try { 2199 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2200 } catch (PackageManagerException e) { 2201 Slog.e(TAG, "Failed to parse original system package: " 2202 + e.getMessage()); 2203 } 2204 } 2205 } 2206 } 2207 mExpectingBetter.clear(); 2208 2209 // Now that we know all of the shared libraries, update all clients to have 2210 // the correct library paths. 2211 updateAllSharedLibrariesLPw(); 2212 2213 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2214 // NOTE: We ignore potential failures here during a system scan (like 2215 // the rest of the commands above) because there's precious little we 2216 // can do about it. A settings error is reported, though. 2217 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2218 false /* force dexopt */, false /* defer dexopt */); 2219 } 2220 2221 // Now that we know all the packages we are keeping, 2222 // read and update their last usage times. 2223 mPackageUsage.readLP(); 2224 2225 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2226 SystemClock.uptimeMillis()); 2227 Slog.i(TAG, "Time to scan packages: " 2228 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2229 + " seconds"); 2230 2231 // If the platform SDK has changed since the last time we booted, 2232 // we need to re-grant app permission to catch any new ones that 2233 // appear. This is really a hack, and means that apps can in some 2234 // cases get permissions that the user didn't initially explicitly 2235 // allow... it would be nice to have some better way to handle 2236 // this situation. 2237 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 2238 != mSdkVersion; 2239 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 2240 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 2241 + "; regranting permissions for internal storage"); 2242 mSettings.mInternalSdkPlatform = mSdkVersion; 2243 2244 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 2245 | (regrantPermissions 2246 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 2247 : 0)); 2248 2249 // If this is the first boot, and it is a normal boot, then 2250 // we need to initialize the default preferred apps. 2251 if (!mRestoredSettings && !onlyCore) { 2252 mSettings.applyDefaultPreferredAppsLPw(this, UserHandle.USER_OWNER); 2253 applyFactoryDefaultBrowserLPw(UserHandle.USER_OWNER); 2254 primeDomainVerificationsLPw(UserHandle.USER_OWNER); 2255 } 2256 2257 // If this is first boot after an OTA, and a normal boot, then 2258 // we need to clear code cache directories. 2259 mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); 2260 if (mIsUpgrade && !onlyCore) { 2261 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2262 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2263 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2264 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2265 } 2266 mSettings.mFingerprint = Build.FINGERPRINT; 2267 } 2268 2269 checkDefaultBrowser(); 2270 2271 // All the changes are done during package scanning. 2272 mSettings.updateInternalDatabaseVersion(); 2273 2274 // can downgrade to reader 2275 mSettings.writeLPr(); 2276 2277 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2278 SystemClock.uptimeMillis()); 2279 2280 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2281 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2282 2283 mInstallerService = new PackageInstallerService(context, this); 2284 2285 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2286 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2287 mIntentFilterVerifierComponent); 2288 2289 } // synchronized (mPackages) 2290 } // synchronized (mInstallLock) 2291 2292 // Now after opening every single application zip, make sure they 2293 // are all flushed. Not really needed, but keeps things nice and 2294 // tidy. 2295 Runtime.getRuntime().gc(); 2296 2297 // Expose private service for system components to use. 2298 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2299 } 2300 2301 @Override 2302 public boolean isFirstBoot() { 2303 return !mRestoredSettings; 2304 } 2305 2306 @Override 2307 public boolean isOnlyCoreApps() { 2308 return mOnlyCore; 2309 } 2310 2311 @Override 2312 public boolean isUpgrade() { 2313 return mIsUpgrade; 2314 } 2315 2316 private String getRequiredVerifierLPr() { 2317 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2318 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2319 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2320 2321 String requiredVerifier = null; 2322 2323 final int N = receivers.size(); 2324 for (int i = 0; i < N; i++) { 2325 final ResolveInfo info = receivers.get(i); 2326 2327 if (info.activityInfo == null) { 2328 continue; 2329 } 2330 2331 final String packageName = info.activityInfo.packageName; 2332 2333 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2334 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2335 continue; 2336 } 2337 2338 if (requiredVerifier != null) { 2339 throw new RuntimeException("There can be only one required verifier"); 2340 } 2341 2342 requiredVerifier = packageName; 2343 } 2344 2345 return requiredVerifier; 2346 } 2347 2348 private String getRequiredInstallerLPr() { 2349 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2350 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2351 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2352 2353 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2354 PACKAGE_MIME_TYPE, 0, 0); 2355 2356 String requiredInstaller = null; 2357 2358 final int N = installers.size(); 2359 for (int i = 0; i < N; i++) { 2360 final ResolveInfo info = installers.get(i); 2361 final String packageName = info.activityInfo.packageName; 2362 2363 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2364 continue; 2365 } 2366 2367 if (requiredInstaller != null) { 2368 throw new RuntimeException("There must be one required installer"); 2369 } 2370 2371 requiredInstaller = packageName; 2372 } 2373 2374 if (requiredInstaller == null) { 2375 throw new RuntimeException("There must be one required installer"); 2376 } 2377 2378 return requiredInstaller; 2379 } 2380 2381 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2382 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2383 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2384 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2385 2386 ComponentName verifierComponentName = null; 2387 2388 int priority = -1000; 2389 final int N = receivers.size(); 2390 for (int i = 0; i < N; i++) { 2391 final ResolveInfo info = receivers.get(i); 2392 2393 if (info.activityInfo == null) { 2394 continue; 2395 } 2396 2397 final String packageName = info.activityInfo.packageName; 2398 2399 final PackageSetting ps = mSettings.mPackages.get(packageName); 2400 if (ps == null) { 2401 continue; 2402 } 2403 2404 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2405 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2406 continue; 2407 } 2408 2409 // Select the IntentFilterVerifier with the highest priority 2410 if (priority < info.priority) { 2411 priority = info.priority; 2412 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2413 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2414 + verifierComponentName + " with priority: " + info.priority); 2415 } 2416 } 2417 2418 return verifierComponentName; 2419 } 2420 2421 private void primeDomainVerificationsLPw(int userId) { 2422 if (DEBUG_DOMAIN_VERIFICATION) { 2423 Slog.d(TAG, "Priming domain verifications in user " + userId); 2424 } 2425 2426 SystemConfig systemConfig = SystemConfig.getInstance(); 2427 ArraySet<String> packages = systemConfig.getLinkedApps(); 2428 ArraySet<String> domains = new ArraySet<String>(); 2429 2430 for (String packageName : packages) { 2431 PackageParser.Package pkg = mPackages.get(packageName); 2432 if (pkg != null) { 2433 if (!pkg.isSystemApp()) { 2434 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2435 continue; 2436 } 2437 2438 domains.clear(); 2439 for (PackageParser.Activity a : pkg.activities) { 2440 for (ActivityIntentInfo filter : a.intents) { 2441 if (hasValidDomains(filter)) { 2442 domains.addAll(filter.getHostsList()); 2443 } 2444 } 2445 } 2446 2447 if (domains.size() > 0) { 2448 if (DEBUG_DOMAIN_VERIFICATION) { 2449 Slog.v(TAG, " + " + packageName); 2450 } 2451 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2452 // state w.r.t. the formal app-linkage "no verification attempted" state; 2453 // and then 'always' in the per-user state actually used for intent resolution. 2454 final IntentFilterVerificationInfo ivi; 2455 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2456 new ArrayList<String>(domains)); 2457 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2458 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2459 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2460 } else { 2461 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2462 + "' does not handle web links"); 2463 } 2464 } else { 2465 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2466 } 2467 } 2468 2469 scheduleWritePackageRestrictionsLocked(userId); 2470 scheduleWriteSettingsLocked(); 2471 } 2472 2473 private void applyFactoryDefaultBrowserLPw(int userId) { 2474 // The default browser app's package name is stored in a string resource, 2475 // with a product-specific overlay used for vendor customization. 2476 String browserPkg = mContext.getResources().getString( 2477 com.android.internal.R.string.default_browser); 2478 if (!TextUtils.isEmpty(browserPkg)) { 2479 // non-empty string => required to be a known package 2480 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2481 if (ps == null) { 2482 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2483 browserPkg = null; 2484 } else { 2485 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2486 } 2487 } 2488 2489 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2490 // default. If there's more than one, just leave everything alone. 2491 if (browserPkg == null) { 2492 calculateDefaultBrowserLPw(userId); 2493 } 2494 } 2495 2496 private void calculateDefaultBrowserLPw(int userId) { 2497 List<String> allBrowsers = resolveAllBrowserApps(userId); 2498 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2499 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2500 } 2501 2502 private List<String> resolveAllBrowserApps(int userId) { 2503 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2504 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2505 PackageManager.MATCH_ALL, userId); 2506 2507 final int count = list.size(); 2508 List<String> result = new ArrayList<String>(count); 2509 for (int i=0; i<count; i++) { 2510 ResolveInfo info = list.get(i); 2511 if (info.activityInfo == null 2512 || !info.handleAllWebDataURI 2513 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2514 || result.contains(info.activityInfo.packageName)) { 2515 continue; 2516 } 2517 result.add(info.activityInfo.packageName); 2518 } 2519 2520 return result; 2521 } 2522 2523 private boolean packageIsBrowser(String packageName, int userId) { 2524 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2525 PackageManager.MATCH_ALL, userId); 2526 final int N = list.size(); 2527 for (int i = 0; i < N; i++) { 2528 ResolveInfo info = list.get(i); 2529 if (packageName.equals(info.activityInfo.packageName)) { 2530 return true; 2531 } 2532 } 2533 return false; 2534 } 2535 2536 private void checkDefaultBrowser() { 2537 final int myUserId = UserHandle.myUserId(); 2538 final String packageName = getDefaultBrowserPackageName(myUserId); 2539 if (packageName != null) { 2540 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2541 if (info == null) { 2542 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2543 synchronized (mPackages) { 2544 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2545 } 2546 } 2547 } 2548 } 2549 2550 @Override 2551 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2552 throws RemoteException { 2553 try { 2554 return super.onTransact(code, data, reply, flags); 2555 } catch (RuntimeException e) { 2556 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2557 Slog.wtf(TAG, "Package Manager Crash", e); 2558 } 2559 throw e; 2560 } 2561 } 2562 2563 void cleanupInstallFailedPackage(PackageSetting ps) { 2564 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2565 2566 removeDataDirsLI(ps.volumeUuid, ps.name); 2567 if (ps.codePath != null) { 2568 if (ps.codePath.isDirectory()) { 2569 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2570 } else { 2571 ps.codePath.delete(); 2572 } 2573 } 2574 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2575 if (ps.resourcePath.isDirectory()) { 2576 FileUtils.deleteContents(ps.resourcePath); 2577 } 2578 ps.resourcePath.delete(); 2579 } 2580 mSettings.removePackageLPw(ps.name); 2581 } 2582 2583 static int[] appendInts(int[] cur, int[] add) { 2584 if (add == null) return cur; 2585 if (cur == null) return add; 2586 final int N = add.length; 2587 for (int i=0; i<N; i++) { 2588 cur = appendInt(cur, add[i]); 2589 } 2590 return cur; 2591 } 2592 2593 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2594 if (!sUserManager.exists(userId)) return null; 2595 final PackageSetting ps = (PackageSetting) p.mExtras; 2596 if (ps == null) { 2597 return null; 2598 } 2599 2600 final PermissionsState permissionsState = ps.getPermissionsState(); 2601 2602 final int[] gids = permissionsState.computeGids(userId); 2603 final Set<String> permissions = permissionsState.getPermissions(userId); 2604 final PackageUserState state = ps.readUserState(userId); 2605 2606 return PackageParser.generatePackageInfo(p, gids, flags, 2607 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2608 } 2609 2610 @Override 2611 public boolean isPackageFrozen(String packageName) { 2612 synchronized (mPackages) { 2613 final PackageSetting ps = mSettings.mPackages.get(packageName); 2614 if (ps != null) { 2615 return ps.frozen; 2616 } 2617 } 2618 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2619 return true; 2620 } 2621 2622 @Override 2623 public boolean isPackageAvailable(String packageName, int userId) { 2624 if (!sUserManager.exists(userId)) return false; 2625 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2626 synchronized (mPackages) { 2627 PackageParser.Package p = mPackages.get(packageName); 2628 if (p != null) { 2629 final PackageSetting ps = (PackageSetting) p.mExtras; 2630 if (ps != null) { 2631 final PackageUserState state = ps.readUserState(userId); 2632 if (state != null) { 2633 return PackageParser.isAvailable(state); 2634 } 2635 } 2636 } 2637 } 2638 return false; 2639 } 2640 2641 @Override 2642 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2643 if (!sUserManager.exists(userId)) return null; 2644 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2645 // reader 2646 synchronized (mPackages) { 2647 PackageParser.Package p = mPackages.get(packageName); 2648 if (DEBUG_PACKAGE_INFO) 2649 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2650 if (p != null) { 2651 return generatePackageInfo(p, flags, userId); 2652 } 2653 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2654 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2655 } 2656 } 2657 return null; 2658 } 2659 2660 @Override 2661 public String[] currentToCanonicalPackageNames(String[] names) { 2662 String[] out = new String[names.length]; 2663 // reader 2664 synchronized (mPackages) { 2665 for (int i=names.length-1; i>=0; i--) { 2666 PackageSetting ps = mSettings.mPackages.get(names[i]); 2667 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2668 } 2669 } 2670 return out; 2671 } 2672 2673 @Override 2674 public String[] canonicalToCurrentPackageNames(String[] names) { 2675 String[] out = new String[names.length]; 2676 // reader 2677 synchronized (mPackages) { 2678 for (int i=names.length-1; i>=0; i--) { 2679 String cur = mSettings.mRenamedPackages.get(names[i]); 2680 out[i] = cur != null ? cur : names[i]; 2681 } 2682 } 2683 return out; 2684 } 2685 2686 @Override 2687 public int getPackageUid(String packageName, int userId) { 2688 if (!sUserManager.exists(userId)) return -1; 2689 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2690 2691 // reader 2692 synchronized (mPackages) { 2693 PackageParser.Package p = mPackages.get(packageName); 2694 if(p != null) { 2695 return UserHandle.getUid(userId, p.applicationInfo.uid); 2696 } 2697 PackageSetting ps = mSettings.mPackages.get(packageName); 2698 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2699 return -1; 2700 } 2701 p = ps.pkg; 2702 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2703 } 2704 } 2705 2706 @Override 2707 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2708 if (!sUserManager.exists(userId)) { 2709 return null; 2710 } 2711 2712 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2713 "getPackageGids"); 2714 2715 // reader 2716 synchronized (mPackages) { 2717 PackageParser.Package p = mPackages.get(packageName); 2718 if (DEBUG_PACKAGE_INFO) { 2719 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2720 } 2721 if (p != null) { 2722 PackageSetting ps = (PackageSetting) p.mExtras; 2723 return ps.getPermissionsState().computeGids(userId); 2724 } 2725 } 2726 2727 return null; 2728 } 2729 2730 @Override 2731 public int getMountExternalMode(int uid) { 2732 if (Process.isIsolated(uid)) { 2733 return Zygote.MOUNT_EXTERNAL_NONE; 2734 } else { 2735 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 2736 return Zygote.MOUNT_EXTERNAL_DEFAULT; 2737 } else if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_GRANTED) { 2738 return Zygote.MOUNT_EXTERNAL_WRITE; 2739 } else if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_GRANTED) { 2740 return Zygote.MOUNT_EXTERNAL_READ; 2741 } else { 2742 return Zygote.MOUNT_EXTERNAL_DEFAULT; 2743 } 2744 } 2745 } 2746 2747 static PermissionInfo generatePermissionInfo( 2748 BasePermission bp, int flags) { 2749 if (bp.perm != null) { 2750 return PackageParser.generatePermissionInfo(bp.perm, flags); 2751 } 2752 PermissionInfo pi = new PermissionInfo(); 2753 pi.name = bp.name; 2754 pi.packageName = bp.sourcePackage; 2755 pi.nonLocalizedLabel = bp.name; 2756 pi.protectionLevel = bp.protectionLevel; 2757 return pi; 2758 } 2759 2760 @Override 2761 public PermissionInfo getPermissionInfo(String name, int flags) { 2762 // reader 2763 synchronized (mPackages) { 2764 final BasePermission p = mSettings.mPermissions.get(name); 2765 if (p != null) { 2766 return generatePermissionInfo(p, flags); 2767 } 2768 return null; 2769 } 2770 } 2771 2772 @Override 2773 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2774 // reader 2775 synchronized (mPackages) { 2776 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2777 for (BasePermission p : mSettings.mPermissions.values()) { 2778 if (group == null) { 2779 if (p.perm == null || p.perm.info.group == null) { 2780 out.add(generatePermissionInfo(p, flags)); 2781 } 2782 } else { 2783 if (p.perm != null && group.equals(p.perm.info.group)) { 2784 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2785 } 2786 } 2787 } 2788 2789 if (out.size() > 0) { 2790 return out; 2791 } 2792 return mPermissionGroups.containsKey(group) ? out : null; 2793 } 2794 } 2795 2796 @Override 2797 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2798 // reader 2799 synchronized (mPackages) { 2800 return PackageParser.generatePermissionGroupInfo( 2801 mPermissionGroups.get(name), flags); 2802 } 2803 } 2804 2805 @Override 2806 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2807 // reader 2808 synchronized (mPackages) { 2809 final int N = mPermissionGroups.size(); 2810 ArrayList<PermissionGroupInfo> out 2811 = new ArrayList<PermissionGroupInfo>(N); 2812 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2813 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2814 } 2815 return out; 2816 } 2817 } 2818 2819 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2820 int userId) { 2821 if (!sUserManager.exists(userId)) return null; 2822 PackageSetting ps = mSettings.mPackages.get(packageName); 2823 if (ps != null) { 2824 if (ps.pkg == null) { 2825 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2826 flags, userId); 2827 if (pInfo != null) { 2828 return pInfo.applicationInfo; 2829 } 2830 return null; 2831 } 2832 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2833 ps.readUserState(userId), userId); 2834 } 2835 return null; 2836 } 2837 2838 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2839 int userId) { 2840 if (!sUserManager.exists(userId)) return null; 2841 PackageSetting ps = mSettings.mPackages.get(packageName); 2842 if (ps != null) { 2843 PackageParser.Package pkg = ps.pkg; 2844 if (pkg == null) { 2845 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2846 return null; 2847 } 2848 // Only data remains, so we aren't worried about code paths 2849 pkg = new PackageParser.Package(packageName); 2850 pkg.applicationInfo.packageName = packageName; 2851 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2852 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2853 pkg.applicationInfo.dataDir = Environment 2854 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2855 .getAbsolutePath(); 2856 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2857 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2858 } 2859 return generatePackageInfo(pkg, flags, userId); 2860 } 2861 return null; 2862 } 2863 2864 @Override 2865 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2866 if (!sUserManager.exists(userId)) return null; 2867 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2868 // writer 2869 synchronized (mPackages) { 2870 PackageParser.Package p = mPackages.get(packageName); 2871 if (DEBUG_PACKAGE_INFO) Log.v( 2872 TAG, "getApplicationInfo " + packageName 2873 + ": " + p); 2874 if (p != null) { 2875 PackageSetting ps = mSettings.mPackages.get(packageName); 2876 if (ps == null) return null; 2877 // Note: isEnabledLP() does not apply here - always return info 2878 return PackageParser.generateApplicationInfo( 2879 p, flags, ps.readUserState(userId), userId); 2880 } 2881 if ("android".equals(packageName)||"system".equals(packageName)) { 2882 return mAndroidApplication; 2883 } 2884 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2885 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2886 } 2887 } 2888 return null; 2889 } 2890 2891 @Override 2892 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2893 final IPackageDataObserver observer) { 2894 mContext.enforceCallingOrSelfPermission( 2895 android.Manifest.permission.CLEAR_APP_CACHE, null); 2896 // Queue up an async operation since clearing cache may take a little while. 2897 mHandler.post(new Runnable() { 2898 public void run() { 2899 mHandler.removeCallbacks(this); 2900 int retCode = -1; 2901 synchronized (mInstallLock) { 2902 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2903 if (retCode < 0) { 2904 Slog.w(TAG, "Couldn't clear application caches"); 2905 } 2906 } 2907 if (observer != null) { 2908 try { 2909 observer.onRemoveCompleted(null, (retCode >= 0)); 2910 } catch (RemoteException e) { 2911 Slog.w(TAG, "RemoveException when invoking call back"); 2912 } 2913 } 2914 } 2915 }); 2916 } 2917 2918 @Override 2919 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2920 final IntentSender pi) { 2921 mContext.enforceCallingOrSelfPermission( 2922 android.Manifest.permission.CLEAR_APP_CACHE, null); 2923 // Queue up an async operation since clearing cache may take a little while. 2924 mHandler.post(new Runnable() { 2925 public void run() { 2926 mHandler.removeCallbacks(this); 2927 int retCode = -1; 2928 synchronized (mInstallLock) { 2929 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2930 if (retCode < 0) { 2931 Slog.w(TAG, "Couldn't clear application caches"); 2932 } 2933 } 2934 if(pi != null) { 2935 try { 2936 // Callback via pending intent 2937 int code = (retCode >= 0) ? 1 : 0; 2938 pi.sendIntent(null, code, null, 2939 null, null); 2940 } catch (SendIntentException e1) { 2941 Slog.i(TAG, "Failed to send pending intent"); 2942 } 2943 } 2944 } 2945 }); 2946 } 2947 2948 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 2949 synchronized (mInstallLock) { 2950 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 2951 throw new IOException("Failed to free enough space"); 2952 } 2953 } 2954 } 2955 2956 @Override 2957 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2958 if (!sUserManager.exists(userId)) return null; 2959 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2960 synchronized (mPackages) { 2961 PackageParser.Activity a = mActivities.mActivities.get(component); 2962 2963 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2964 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2965 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2966 if (ps == null) return null; 2967 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2968 userId); 2969 } 2970 if (mResolveComponentName.equals(component)) { 2971 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2972 new PackageUserState(), userId); 2973 } 2974 } 2975 return null; 2976 } 2977 2978 @Override 2979 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2980 String resolvedType) { 2981 synchronized (mPackages) { 2982 PackageParser.Activity a = mActivities.mActivities.get(component); 2983 if (a == null) { 2984 return false; 2985 } 2986 for (int i=0; i<a.intents.size(); i++) { 2987 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2988 intent.getData(), intent.getCategories(), TAG) >= 0) { 2989 return true; 2990 } 2991 } 2992 return false; 2993 } 2994 } 2995 2996 @Override 2997 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2998 if (!sUserManager.exists(userId)) return null; 2999 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3000 synchronized (mPackages) { 3001 PackageParser.Activity a = mReceivers.mActivities.get(component); 3002 if (DEBUG_PACKAGE_INFO) Log.v( 3003 TAG, "getReceiverInfo " + component + ": " + a); 3004 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3005 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3006 if (ps == null) return null; 3007 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3008 userId); 3009 } 3010 } 3011 return null; 3012 } 3013 3014 @Override 3015 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3016 if (!sUserManager.exists(userId)) return null; 3017 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3018 synchronized (mPackages) { 3019 PackageParser.Service s = mServices.mServices.get(component); 3020 if (DEBUG_PACKAGE_INFO) Log.v( 3021 TAG, "getServiceInfo " + component + ": " + s); 3022 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3023 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3024 if (ps == null) return null; 3025 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3026 userId); 3027 } 3028 } 3029 return null; 3030 } 3031 3032 @Override 3033 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3034 if (!sUserManager.exists(userId)) return null; 3035 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3036 synchronized (mPackages) { 3037 PackageParser.Provider p = mProviders.mProviders.get(component); 3038 if (DEBUG_PACKAGE_INFO) Log.v( 3039 TAG, "getProviderInfo " + component + ": " + p); 3040 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3041 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3042 if (ps == null) return null; 3043 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3044 userId); 3045 } 3046 } 3047 return null; 3048 } 3049 3050 @Override 3051 public String[] getSystemSharedLibraryNames() { 3052 Set<String> libSet; 3053 synchronized (mPackages) { 3054 libSet = mSharedLibraries.keySet(); 3055 int size = libSet.size(); 3056 if (size > 0) { 3057 String[] libs = new String[size]; 3058 libSet.toArray(libs); 3059 return libs; 3060 } 3061 } 3062 return null; 3063 } 3064 3065 /** 3066 * @hide 3067 */ 3068 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3069 synchronized (mPackages) { 3070 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3071 if (lib != null && lib.apk != null) { 3072 return mPackages.get(lib.apk); 3073 } 3074 } 3075 return null; 3076 } 3077 3078 @Override 3079 public FeatureInfo[] getSystemAvailableFeatures() { 3080 Collection<FeatureInfo> featSet; 3081 synchronized (mPackages) { 3082 featSet = mAvailableFeatures.values(); 3083 int size = featSet.size(); 3084 if (size > 0) { 3085 FeatureInfo[] features = new FeatureInfo[size+1]; 3086 featSet.toArray(features); 3087 FeatureInfo fi = new FeatureInfo(); 3088 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3089 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3090 features[size] = fi; 3091 return features; 3092 } 3093 } 3094 return null; 3095 } 3096 3097 @Override 3098 public boolean hasSystemFeature(String name) { 3099 synchronized (mPackages) { 3100 return mAvailableFeatures.containsKey(name); 3101 } 3102 } 3103 3104 private void checkValidCaller(int uid, int userId) { 3105 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3106 return; 3107 3108 throw new SecurityException("Caller uid=" + uid 3109 + " is not privileged to communicate with user=" + userId); 3110 } 3111 3112 @Override 3113 public int checkPermission(String permName, String pkgName, int userId) { 3114 if (!sUserManager.exists(userId)) { 3115 return PackageManager.PERMISSION_DENIED; 3116 } 3117 3118 synchronized (mPackages) { 3119 final PackageParser.Package p = mPackages.get(pkgName); 3120 if (p != null && p.mExtras != null) { 3121 final PackageSetting ps = (PackageSetting) p.mExtras; 3122 if (ps.getPermissionsState().hasPermission(permName, userId)) { 3123 return PackageManager.PERMISSION_GRANTED; 3124 } 3125 } 3126 } 3127 3128 return PackageManager.PERMISSION_DENIED; 3129 } 3130 3131 @Override 3132 public int checkUidPermission(String permName, int uid) { 3133 final int userId = UserHandle.getUserId(uid); 3134 3135 if (!sUserManager.exists(userId)) { 3136 return PackageManager.PERMISSION_DENIED; 3137 } 3138 3139 synchronized (mPackages) { 3140 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3141 if (obj != null) { 3142 final SettingBase ps = (SettingBase) obj; 3143 if (ps.getPermissionsState().hasPermission(permName, userId)) { 3144 return PackageManager.PERMISSION_GRANTED; 3145 } 3146 } else { 3147 ArraySet<String> perms = mSystemPermissions.get(uid); 3148 if (perms != null && perms.contains(permName)) { 3149 return PackageManager.PERMISSION_GRANTED; 3150 } 3151 } 3152 } 3153 3154 return PackageManager.PERMISSION_DENIED; 3155 } 3156 3157 @Override 3158 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3159 if (UserHandle.getCallingUserId() != userId) { 3160 mContext.enforceCallingPermission( 3161 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3162 "isPermissionRevokedByPolicy for user " + userId); 3163 } 3164 3165 if (checkPermission(permission, packageName, userId) 3166 == PackageManager.PERMISSION_GRANTED) { 3167 return false; 3168 } 3169 3170 final long identity = Binder.clearCallingIdentity(); 3171 try { 3172 final int flags = getPermissionFlags(permission, packageName, userId); 3173 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3174 } finally { 3175 Binder.restoreCallingIdentity(identity); 3176 } 3177 } 3178 3179 /** 3180 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3181 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3182 * @param checkShell TODO(yamasani): 3183 * @param message the message to log on security exception 3184 */ 3185 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3186 boolean checkShell, String message) { 3187 if (userId < 0) { 3188 throw new IllegalArgumentException("Invalid userId " + userId); 3189 } 3190 if (checkShell) { 3191 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3192 } 3193 if (userId == UserHandle.getUserId(callingUid)) return; 3194 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3195 if (requireFullPermission) { 3196 mContext.enforceCallingOrSelfPermission( 3197 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3198 } else { 3199 try { 3200 mContext.enforceCallingOrSelfPermission( 3201 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3202 } catch (SecurityException se) { 3203 mContext.enforceCallingOrSelfPermission( 3204 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3205 } 3206 } 3207 } 3208 } 3209 3210 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3211 if (callingUid == Process.SHELL_UID) { 3212 if (userHandle >= 0 3213 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3214 throw new SecurityException("Shell does not have permission to access user " 3215 + userHandle); 3216 } else if (userHandle < 0) { 3217 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3218 + Debug.getCallers(3)); 3219 } 3220 } 3221 } 3222 3223 private BasePermission findPermissionTreeLP(String permName) { 3224 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3225 if (permName.startsWith(bp.name) && 3226 permName.length() > bp.name.length() && 3227 permName.charAt(bp.name.length()) == '.') { 3228 return bp; 3229 } 3230 } 3231 return null; 3232 } 3233 3234 private BasePermission checkPermissionTreeLP(String permName) { 3235 if (permName != null) { 3236 BasePermission bp = findPermissionTreeLP(permName); 3237 if (bp != null) { 3238 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3239 return bp; 3240 } 3241 throw new SecurityException("Calling uid " 3242 + Binder.getCallingUid() 3243 + " is not allowed to add to permission tree " 3244 + bp.name + " owned by uid " + bp.uid); 3245 } 3246 } 3247 throw new SecurityException("No permission tree found for " + permName); 3248 } 3249 3250 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3251 if (s1 == null) { 3252 return s2 == null; 3253 } 3254 if (s2 == null) { 3255 return false; 3256 } 3257 if (s1.getClass() != s2.getClass()) { 3258 return false; 3259 } 3260 return s1.equals(s2); 3261 } 3262 3263 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3264 if (pi1.icon != pi2.icon) return false; 3265 if (pi1.logo != pi2.logo) return false; 3266 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3267 if (!compareStrings(pi1.name, pi2.name)) return false; 3268 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3269 // We'll take care of setting this one. 3270 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3271 // These are not currently stored in settings. 3272 //if (!compareStrings(pi1.group, pi2.group)) return false; 3273 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3274 //if (pi1.labelRes != pi2.labelRes) return false; 3275 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3276 return true; 3277 } 3278 3279 int permissionInfoFootprint(PermissionInfo info) { 3280 int size = info.name.length(); 3281 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3282 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3283 return size; 3284 } 3285 3286 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3287 int size = 0; 3288 for (BasePermission perm : mSettings.mPermissions.values()) { 3289 if (perm.uid == tree.uid) { 3290 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3291 } 3292 } 3293 return size; 3294 } 3295 3296 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3297 // We calculate the max size of permissions defined by this uid and throw 3298 // if that plus the size of 'info' would exceed our stated maximum. 3299 if (tree.uid != Process.SYSTEM_UID) { 3300 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3301 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3302 throw new SecurityException("Permission tree size cap exceeded"); 3303 } 3304 } 3305 } 3306 3307 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3308 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3309 throw new SecurityException("Label must be specified in permission"); 3310 } 3311 BasePermission tree = checkPermissionTreeLP(info.name); 3312 BasePermission bp = mSettings.mPermissions.get(info.name); 3313 boolean added = bp == null; 3314 boolean changed = true; 3315 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3316 if (added) { 3317 enforcePermissionCapLocked(info, tree); 3318 bp = new BasePermission(info.name, tree.sourcePackage, 3319 BasePermission.TYPE_DYNAMIC); 3320 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3321 throw new SecurityException( 3322 "Not allowed to modify non-dynamic permission " 3323 + info.name); 3324 } else { 3325 if (bp.protectionLevel == fixedLevel 3326 && bp.perm.owner.equals(tree.perm.owner) 3327 && bp.uid == tree.uid 3328 && comparePermissionInfos(bp.perm.info, info)) { 3329 changed = false; 3330 } 3331 } 3332 bp.protectionLevel = fixedLevel; 3333 info = new PermissionInfo(info); 3334 info.protectionLevel = fixedLevel; 3335 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3336 bp.perm.info.packageName = tree.perm.info.packageName; 3337 bp.uid = tree.uid; 3338 if (added) { 3339 mSettings.mPermissions.put(info.name, bp); 3340 } 3341 if (changed) { 3342 if (!async) { 3343 mSettings.writeLPr(); 3344 } else { 3345 scheduleWriteSettingsLocked(); 3346 } 3347 } 3348 return added; 3349 } 3350 3351 @Override 3352 public boolean addPermission(PermissionInfo info) { 3353 synchronized (mPackages) { 3354 return addPermissionLocked(info, false); 3355 } 3356 } 3357 3358 @Override 3359 public boolean addPermissionAsync(PermissionInfo info) { 3360 synchronized (mPackages) { 3361 return addPermissionLocked(info, true); 3362 } 3363 } 3364 3365 @Override 3366 public void removePermission(String name) { 3367 synchronized (mPackages) { 3368 checkPermissionTreeLP(name); 3369 BasePermission bp = mSettings.mPermissions.get(name); 3370 if (bp != null) { 3371 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3372 throw new SecurityException( 3373 "Not allowed to modify non-dynamic permission " 3374 + name); 3375 } 3376 mSettings.mPermissions.remove(name); 3377 mSettings.writeLPr(); 3378 } 3379 } 3380 } 3381 3382 private static void enforceDeclaredAsUsedAndRuntimePermission(PackageParser.Package pkg, 3383 BasePermission bp) { 3384 int index = pkg.requestedPermissions.indexOf(bp.name); 3385 if (index == -1) { 3386 throw new SecurityException("Package " + pkg.packageName 3387 + " has not requested permission " + bp.name); 3388 } 3389 if (!bp.isRuntime()) { 3390 throw new SecurityException("Permission " + bp.name 3391 + " is not a changeable permission type"); 3392 } 3393 } 3394 3395 @Override 3396 public void grantRuntimePermission(String packageName, String name, final int userId) { 3397 if (!sUserManager.exists(userId)) { 3398 Log.e(TAG, "No such user:" + userId); 3399 return; 3400 } 3401 3402 mContext.enforceCallingOrSelfPermission( 3403 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3404 "grantRuntimePermission"); 3405 3406 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3407 "grantRuntimePermission"); 3408 3409 final int uid; 3410 final SettingBase sb; 3411 3412 synchronized (mPackages) { 3413 final PackageParser.Package pkg = mPackages.get(packageName); 3414 if (pkg == null) { 3415 throw new IllegalArgumentException("Unknown package: " + packageName); 3416 } 3417 3418 final BasePermission bp = mSettings.mPermissions.get(name); 3419 if (bp == null) { 3420 throw new IllegalArgumentException("Unknown permission: " + name); 3421 } 3422 3423 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 3424 3425 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3426 sb = (SettingBase) pkg.mExtras; 3427 if (sb == null) { 3428 throw new IllegalArgumentException("Unknown package: " + packageName); 3429 } 3430 3431 final PermissionsState permissionsState = sb.getPermissionsState(); 3432 3433 final int flags = permissionsState.getPermissionFlags(name, userId); 3434 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3435 throw new SecurityException("Cannot grant system fixed permission: " 3436 + name + " for package: " + packageName); 3437 } 3438 3439 final int result = permissionsState.grantRuntimePermission(bp, userId); 3440 switch (result) { 3441 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3442 return; 3443 } 3444 3445 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3446 mHandler.post(new Runnable() { 3447 @Override 3448 public void run() { 3449 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_GIDS_CHANGED); 3450 } 3451 }); 3452 } break; 3453 } 3454 3455 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3456 3457 // Not critical if that is lost - app has to request again. 3458 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3459 } 3460 3461 // Only need to do this if user is initialized. Otherwise it's a new user 3462 // and there are no processes running as the user yet and there's no need 3463 // to make an expensive call to remount processes for the changed permissions. 3464 if (READ_EXTERNAL_STORAGE.equals(name) 3465 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3466 final long token = Binder.clearCallingIdentity(); 3467 try { 3468 if (sUserManager.isInitialized(userId)) { 3469 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3470 storage.remountUid(uid); 3471 } 3472 } finally { 3473 Binder.restoreCallingIdentity(token); 3474 } 3475 } 3476 } 3477 3478 @Override 3479 public void revokeRuntimePermission(String packageName, String name, int userId) { 3480 if (!sUserManager.exists(userId)) { 3481 Log.e(TAG, "No such user:" + userId); 3482 return; 3483 } 3484 3485 mContext.enforceCallingOrSelfPermission( 3486 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3487 "revokeRuntimePermission"); 3488 3489 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3490 "revokeRuntimePermission"); 3491 3492 final SettingBase sb; 3493 3494 synchronized (mPackages) { 3495 final PackageParser.Package pkg = mPackages.get(packageName); 3496 if (pkg == null) { 3497 throw new IllegalArgumentException("Unknown package: " + packageName); 3498 } 3499 3500 final BasePermission bp = mSettings.mPermissions.get(name); 3501 if (bp == null) { 3502 throw new IllegalArgumentException("Unknown permission: " + name); 3503 } 3504 3505 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 3506 3507 sb = (SettingBase) pkg.mExtras; 3508 if (sb == null) { 3509 throw new IllegalArgumentException("Unknown package: " + packageName); 3510 } 3511 3512 final PermissionsState permissionsState = sb.getPermissionsState(); 3513 3514 final int flags = permissionsState.getPermissionFlags(name, userId); 3515 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3516 throw new SecurityException("Cannot revoke system fixed permission: " 3517 + name + " for package: " + packageName); 3518 } 3519 3520 if (permissionsState.revokeRuntimePermission(bp, userId) == 3521 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3522 return; 3523 } 3524 3525 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3526 3527 // Critical, after this call app should never have the permission. 3528 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3529 } 3530 3531 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3532 } 3533 3534 @Override 3535 public void resetRuntimePermissions() { 3536 mContext.enforceCallingOrSelfPermission( 3537 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3538 "revokeRuntimePermission"); 3539 3540 int callingUid = Binder.getCallingUid(); 3541 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3542 mContext.enforceCallingOrSelfPermission( 3543 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3544 "resetRuntimePermissions"); 3545 } 3546 3547 final int[] userIds; 3548 3549 synchronized (mPackages) { 3550 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3551 final int userCount = UserManagerService.getInstance().getUserIds().length; 3552 userIds = Arrays.copyOf(UserManagerService.getInstance().getUserIds(), userCount); 3553 } 3554 3555 for (int userId : userIds) { 3556 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 3557 } 3558 } 3559 3560 @Override 3561 public int getPermissionFlags(String name, String packageName, int userId) { 3562 if (!sUserManager.exists(userId)) { 3563 return 0; 3564 } 3565 3566 mContext.enforceCallingOrSelfPermission( 3567 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3568 "getPermissionFlags"); 3569 3570 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3571 "getPermissionFlags"); 3572 3573 synchronized (mPackages) { 3574 final PackageParser.Package pkg = mPackages.get(packageName); 3575 if (pkg == null) { 3576 throw new IllegalArgumentException("Unknown package: " + packageName); 3577 } 3578 3579 final BasePermission bp = mSettings.mPermissions.get(name); 3580 if (bp == null) { 3581 throw new IllegalArgumentException("Unknown permission: " + name); 3582 } 3583 3584 SettingBase sb = (SettingBase) pkg.mExtras; 3585 if (sb == null) { 3586 throw new IllegalArgumentException("Unknown package: " + packageName); 3587 } 3588 3589 PermissionsState permissionsState = sb.getPermissionsState(); 3590 return permissionsState.getPermissionFlags(name, userId); 3591 } 3592 } 3593 3594 @Override 3595 public void updatePermissionFlags(String name, String packageName, int flagMask, 3596 int flagValues, int userId) { 3597 if (!sUserManager.exists(userId)) { 3598 return; 3599 } 3600 3601 mContext.enforceCallingOrSelfPermission( 3602 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3603 "updatePermissionFlags"); 3604 3605 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3606 "updatePermissionFlags"); 3607 3608 // Only the system can change system fixed flags. 3609 if (getCallingUid() != Process.SYSTEM_UID) { 3610 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3611 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3612 } 3613 3614 synchronized (mPackages) { 3615 final PackageParser.Package pkg = mPackages.get(packageName); 3616 if (pkg == null) { 3617 throw new IllegalArgumentException("Unknown package: " + packageName); 3618 } 3619 3620 final BasePermission bp = mSettings.mPermissions.get(name); 3621 if (bp == null) { 3622 throw new IllegalArgumentException("Unknown permission: " + name); 3623 } 3624 3625 SettingBase sb = (SettingBase) pkg.mExtras; 3626 if (sb == null) { 3627 throw new IllegalArgumentException("Unknown package: " + packageName); 3628 } 3629 3630 PermissionsState permissionsState = sb.getPermissionsState(); 3631 3632 // Only the package manager can change flags for system component permissions. 3633 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3634 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3635 return; 3636 } 3637 3638 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3639 3640 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3641 // Install and runtime permissions are stored in different places, 3642 // so figure out what permission changed and persist the change. 3643 if (permissionsState.getInstallPermissionState(name) != null) { 3644 scheduleWriteSettingsLocked(); 3645 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3646 || hadState) { 3647 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3648 } 3649 } 3650 } 3651 } 3652 3653 /** 3654 * Update the permission flags for all packages and runtime permissions of a user in order 3655 * to allow device or profile owner to remove POLICY_FIXED. 3656 */ 3657 @Override 3658 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3659 if (!sUserManager.exists(userId)) { 3660 return; 3661 } 3662 3663 mContext.enforceCallingOrSelfPermission( 3664 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3665 "updatePermissionFlagsForAllApps"); 3666 3667 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3668 "updatePermissionFlagsForAllApps"); 3669 3670 // Only the system can change system fixed flags. 3671 if (getCallingUid() != Process.SYSTEM_UID) { 3672 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3673 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3674 } 3675 3676 synchronized (mPackages) { 3677 boolean changed = false; 3678 final int packageCount = mPackages.size(); 3679 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3680 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3681 SettingBase sb = (SettingBase) pkg.mExtras; 3682 if (sb == null) { 3683 continue; 3684 } 3685 PermissionsState permissionsState = sb.getPermissionsState(); 3686 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3687 userId, flagMask, flagValues); 3688 } 3689 if (changed) { 3690 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3691 } 3692 } 3693 } 3694 3695 @Override 3696 public boolean shouldShowRequestPermissionRationale(String permissionName, 3697 String packageName, int userId) { 3698 if (UserHandle.getCallingUserId() != userId) { 3699 mContext.enforceCallingPermission( 3700 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3701 "canShowRequestPermissionRationale for user " + userId); 3702 } 3703 3704 final int uid = getPackageUid(packageName, userId); 3705 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3706 return false; 3707 } 3708 3709 if (checkPermission(permissionName, packageName, userId) 3710 == PackageManager.PERMISSION_GRANTED) { 3711 return false; 3712 } 3713 3714 final int flags; 3715 3716 final long identity = Binder.clearCallingIdentity(); 3717 try { 3718 flags = getPermissionFlags(permissionName, 3719 packageName, userId); 3720 } finally { 3721 Binder.restoreCallingIdentity(identity); 3722 } 3723 3724 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3725 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3726 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3727 3728 if ((flags & fixedFlags) != 0) { 3729 return false; 3730 } 3731 3732 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3733 } 3734 3735 void grantInstallPermissionLPw(String permission, PackageParser.Package pkg) { 3736 BasePermission bp = mSettings.mPermissions.get(permission); 3737 if (bp == null) { 3738 throw new SecurityException("Missing " + permission + " permission"); 3739 } 3740 3741 SettingBase sb = (SettingBase) pkg.mExtras; 3742 PermissionsState permissionsState = sb.getPermissionsState(); 3743 3744 if (permissionsState.grantInstallPermission(bp) != 3745 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3746 scheduleWriteSettingsLocked(); 3747 } 3748 } 3749 3750 @Override 3751 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3752 mContext.enforceCallingOrSelfPermission( 3753 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3754 "addOnPermissionsChangeListener"); 3755 3756 synchronized (mPackages) { 3757 mOnPermissionChangeListeners.addListenerLocked(listener); 3758 } 3759 } 3760 3761 @Override 3762 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3763 synchronized (mPackages) { 3764 mOnPermissionChangeListeners.removeListenerLocked(listener); 3765 } 3766 } 3767 3768 @Override 3769 public boolean isProtectedBroadcast(String actionName) { 3770 synchronized (mPackages) { 3771 return mProtectedBroadcasts.contains(actionName); 3772 } 3773 } 3774 3775 @Override 3776 public int checkSignatures(String pkg1, String pkg2) { 3777 synchronized (mPackages) { 3778 final PackageParser.Package p1 = mPackages.get(pkg1); 3779 final PackageParser.Package p2 = mPackages.get(pkg2); 3780 if (p1 == null || p1.mExtras == null 3781 || p2 == null || p2.mExtras == null) { 3782 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3783 } 3784 return compareSignatures(p1.mSignatures, p2.mSignatures); 3785 } 3786 } 3787 3788 @Override 3789 public int checkUidSignatures(int uid1, int uid2) { 3790 // Map to base uids. 3791 uid1 = UserHandle.getAppId(uid1); 3792 uid2 = UserHandle.getAppId(uid2); 3793 // reader 3794 synchronized (mPackages) { 3795 Signature[] s1; 3796 Signature[] s2; 3797 Object obj = mSettings.getUserIdLPr(uid1); 3798 if (obj != null) { 3799 if (obj instanceof SharedUserSetting) { 3800 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3801 } else if (obj instanceof PackageSetting) { 3802 s1 = ((PackageSetting)obj).signatures.mSignatures; 3803 } else { 3804 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3805 } 3806 } else { 3807 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3808 } 3809 obj = mSettings.getUserIdLPr(uid2); 3810 if (obj != null) { 3811 if (obj instanceof SharedUserSetting) { 3812 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3813 } else if (obj instanceof PackageSetting) { 3814 s2 = ((PackageSetting)obj).signatures.mSignatures; 3815 } else { 3816 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3817 } 3818 } else { 3819 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3820 } 3821 return compareSignatures(s1, s2); 3822 } 3823 } 3824 3825 private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) { 3826 final long identity = Binder.clearCallingIdentity(); 3827 try { 3828 if (sb instanceof SharedUserSetting) { 3829 SharedUserSetting sus = (SharedUserSetting) sb; 3830 final int packageCount = sus.packages.size(); 3831 for (int i = 0; i < packageCount; i++) { 3832 PackageSetting susPs = sus.packages.valueAt(i); 3833 if (userId == UserHandle.USER_ALL) { 3834 killApplication(susPs.pkg.packageName, susPs.appId, reason); 3835 } else { 3836 final int uid = UserHandle.getUid(userId, susPs.appId); 3837 killUid(uid, reason); 3838 } 3839 } 3840 } else if (sb instanceof PackageSetting) { 3841 PackageSetting ps = (PackageSetting) sb; 3842 if (userId == UserHandle.USER_ALL) { 3843 killApplication(ps.pkg.packageName, ps.appId, reason); 3844 } else { 3845 final int uid = UserHandle.getUid(userId, ps.appId); 3846 killUid(uid, reason); 3847 } 3848 } 3849 } finally { 3850 Binder.restoreCallingIdentity(identity); 3851 } 3852 } 3853 3854 private static void killUid(int uid, String reason) { 3855 IActivityManager am = ActivityManagerNative.getDefault(); 3856 if (am != null) { 3857 try { 3858 am.killUid(uid, reason); 3859 } catch (RemoteException e) { 3860 /* ignore - same process */ 3861 } 3862 } 3863 } 3864 3865 /** 3866 * Compares two sets of signatures. Returns: 3867 * <br /> 3868 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3869 * <br /> 3870 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3871 * <br /> 3872 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3873 * <br /> 3874 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3875 * <br /> 3876 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3877 */ 3878 static int compareSignatures(Signature[] s1, Signature[] s2) { 3879 if (s1 == null) { 3880 return s2 == null 3881 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3882 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3883 } 3884 3885 if (s2 == null) { 3886 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3887 } 3888 3889 if (s1.length != s2.length) { 3890 return PackageManager.SIGNATURE_NO_MATCH; 3891 } 3892 3893 // Since both signature sets are of size 1, we can compare without HashSets. 3894 if (s1.length == 1) { 3895 return s1[0].equals(s2[0]) ? 3896 PackageManager.SIGNATURE_MATCH : 3897 PackageManager.SIGNATURE_NO_MATCH; 3898 } 3899 3900 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3901 for (Signature sig : s1) { 3902 set1.add(sig); 3903 } 3904 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3905 for (Signature sig : s2) { 3906 set2.add(sig); 3907 } 3908 // Make sure s2 contains all signatures in s1. 3909 if (set1.equals(set2)) { 3910 return PackageManager.SIGNATURE_MATCH; 3911 } 3912 return PackageManager.SIGNATURE_NO_MATCH; 3913 } 3914 3915 /** 3916 * If the database version for this type of package (internal storage or 3917 * external storage) is less than the version where package signatures 3918 * were updated, return true. 3919 */ 3920 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3921 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 3922 DatabaseVersion.SIGNATURE_END_ENTITY)) 3923 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 3924 DatabaseVersion.SIGNATURE_END_ENTITY)); 3925 } 3926 3927 /** 3928 * Used for backward compatibility to make sure any packages with 3929 * certificate chains get upgraded to the new style. {@code existingSigs} 3930 * will be in the old format (since they were stored on disk from before the 3931 * system upgrade) and {@code scannedSigs} will be in the newer format. 3932 */ 3933 private int compareSignaturesCompat(PackageSignatures existingSigs, 3934 PackageParser.Package scannedPkg) { 3935 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3936 return PackageManager.SIGNATURE_NO_MATCH; 3937 } 3938 3939 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3940 for (Signature sig : existingSigs.mSignatures) { 3941 existingSet.add(sig); 3942 } 3943 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3944 for (Signature sig : scannedPkg.mSignatures) { 3945 try { 3946 Signature[] chainSignatures = sig.getChainSignatures(); 3947 for (Signature chainSig : chainSignatures) { 3948 scannedCompatSet.add(chainSig); 3949 } 3950 } catch (CertificateEncodingException e) { 3951 scannedCompatSet.add(sig); 3952 } 3953 } 3954 /* 3955 * Make sure the expanded scanned set contains all signatures in the 3956 * existing one. 3957 */ 3958 if (scannedCompatSet.equals(existingSet)) { 3959 // Migrate the old signatures to the new scheme. 3960 existingSigs.assignSignatures(scannedPkg.mSignatures); 3961 // The new KeySets will be re-added later in the scanning process. 3962 synchronized (mPackages) { 3963 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 3964 } 3965 return PackageManager.SIGNATURE_MATCH; 3966 } 3967 return PackageManager.SIGNATURE_NO_MATCH; 3968 } 3969 3970 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3971 if (isExternal(scannedPkg)) { 3972 return mSettings.isExternalDatabaseVersionOlderThan( 3973 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3974 } else { 3975 return mSettings.isInternalDatabaseVersionOlderThan( 3976 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3977 } 3978 } 3979 3980 private int compareSignaturesRecover(PackageSignatures existingSigs, 3981 PackageParser.Package scannedPkg) { 3982 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 3983 return PackageManager.SIGNATURE_NO_MATCH; 3984 } 3985 3986 String msg = null; 3987 try { 3988 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 3989 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 3990 + scannedPkg.packageName); 3991 return PackageManager.SIGNATURE_MATCH; 3992 } 3993 } catch (CertificateException e) { 3994 msg = e.getMessage(); 3995 } 3996 3997 logCriticalInfo(Log.INFO, 3998 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 3999 return PackageManager.SIGNATURE_NO_MATCH; 4000 } 4001 4002 @Override 4003 public String[] getPackagesForUid(int uid) { 4004 uid = UserHandle.getAppId(uid); 4005 // reader 4006 synchronized (mPackages) { 4007 Object obj = mSettings.getUserIdLPr(uid); 4008 if (obj instanceof SharedUserSetting) { 4009 final SharedUserSetting sus = (SharedUserSetting) obj; 4010 final int N = sus.packages.size(); 4011 final String[] res = new String[N]; 4012 final Iterator<PackageSetting> it = sus.packages.iterator(); 4013 int i = 0; 4014 while (it.hasNext()) { 4015 res[i++] = it.next().name; 4016 } 4017 return res; 4018 } else if (obj instanceof PackageSetting) { 4019 final PackageSetting ps = (PackageSetting) obj; 4020 return new String[] { ps.name }; 4021 } 4022 } 4023 return null; 4024 } 4025 4026 @Override 4027 public String getNameForUid(int uid) { 4028 // reader 4029 synchronized (mPackages) { 4030 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4031 if (obj instanceof SharedUserSetting) { 4032 final SharedUserSetting sus = (SharedUserSetting) obj; 4033 return sus.name + ":" + sus.userId; 4034 } else if (obj instanceof PackageSetting) { 4035 final PackageSetting ps = (PackageSetting) obj; 4036 return ps.name; 4037 } 4038 } 4039 return null; 4040 } 4041 4042 @Override 4043 public int getUidForSharedUser(String sharedUserName) { 4044 if(sharedUserName == null) { 4045 return -1; 4046 } 4047 // reader 4048 synchronized (mPackages) { 4049 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4050 if (suid == null) { 4051 return -1; 4052 } 4053 return suid.userId; 4054 } 4055 } 4056 4057 @Override 4058 public int getFlagsForUid(int uid) { 4059 synchronized (mPackages) { 4060 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4061 if (obj instanceof SharedUserSetting) { 4062 final SharedUserSetting sus = (SharedUserSetting) obj; 4063 return sus.pkgFlags; 4064 } else if (obj instanceof PackageSetting) { 4065 final PackageSetting ps = (PackageSetting) obj; 4066 return ps.pkgFlags; 4067 } 4068 } 4069 return 0; 4070 } 4071 4072 @Override 4073 public int getPrivateFlagsForUid(int uid) { 4074 synchronized (mPackages) { 4075 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4076 if (obj instanceof SharedUserSetting) { 4077 final SharedUserSetting sus = (SharedUserSetting) obj; 4078 return sus.pkgPrivateFlags; 4079 } else if (obj instanceof PackageSetting) { 4080 final PackageSetting ps = (PackageSetting) obj; 4081 return ps.pkgPrivateFlags; 4082 } 4083 } 4084 return 0; 4085 } 4086 4087 @Override 4088 public boolean isUidPrivileged(int uid) { 4089 uid = UserHandle.getAppId(uid); 4090 // reader 4091 synchronized (mPackages) { 4092 Object obj = mSettings.getUserIdLPr(uid); 4093 if (obj instanceof SharedUserSetting) { 4094 final SharedUserSetting sus = (SharedUserSetting) obj; 4095 final Iterator<PackageSetting> it = sus.packages.iterator(); 4096 while (it.hasNext()) { 4097 if (it.next().isPrivileged()) { 4098 return true; 4099 } 4100 } 4101 } else if (obj instanceof PackageSetting) { 4102 final PackageSetting ps = (PackageSetting) obj; 4103 return ps.isPrivileged(); 4104 } 4105 } 4106 return false; 4107 } 4108 4109 @Override 4110 public String[] getAppOpPermissionPackages(String permissionName) { 4111 synchronized (mPackages) { 4112 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4113 if (pkgs == null) { 4114 return null; 4115 } 4116 return pkgs.toArray(new String[pkgs.size()]); 4117 } 4118 } 4119 4120 @Override 4121 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4122 int flags, int userId) { 4123 if (!sUserManager.exists(userId)) return null; 4124 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4125 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4126 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4127 } 4128 4129 @Override 4130 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4131 IntentFilter filter, int match, ComponentName activity) { 4132 final int userId = UserHandle.getCallingUserId(); 4133 if (DEBUG_PREFERRED) { 4134 Log.v(TAG, "setLastChosenActivity intent=" + intent 4135 + " resolvedType=" + resolvedType 4136 + " flags=" + flags 4137 + " filter=" + filter 4138 + " match=" + match 4139 + " activity=" + activity); 4140 filter.dump(new PrintStreamPrinter(System.out), " "); 4141 } 4142 intent.setComponent(null); 4143 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4144 // Find any earlier preferred or last chosen entries and nuke them 4145 findPreferredActivity(intent, resolvedType, 4146 flags, query, 0, false, true, false, userId); 4147 // Add the new activity as the last chosen for this filter 4148 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4149 "Setting last chosen"); 4150 } 4151 4152 @Override 4153 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4154 final int userId = UserHandle.getCallingUserId(); 4155 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4156 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4157 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4158 false, false, false, userId); 4159 } 4160 4161 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4162 int flags, List<ResolveInfo> query, int userId) { 4163 if (query != null) { 4164 final int N = query.size(); 4165 if (N == 1) { 4166 return query.get(0); 4167 } else if (N > 1) { 4168 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4169 // If there is more than one activity with the same priority, 4170 // then let the user decide between them. 4171 ResolveInfo r0 = query.get(0); 4172 ResolveInfo r1 = query.get(1); 4173 if (DEBUG_INTENT_MATCHING || debug) { 4174 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4175 + r1.activityInfo.name + "=" + r1.priority); 4176 } 4177 // If the first activity has a higher priority, or a different 4178 // default, then it is always desireable to pick it. 4179 if (r0.priority != r1.priority 4180 || r0.preferredOrder != r1.preferredOrder 4181 || r0.isDefault != r1.isDefault) { 4182 return query.get(0); 4183 } 4184 // If we have saved a preference for a preferred activity for 4185 // this Intent, use that. 4186 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4187 flags, query, r0.priority, true, false, debug, userId); 4188 if (ri != null) { 4189 return ri; 4190 } 4191 if (userId != 0) { 4192 ri = new ResolveInfo(mResolveInfo); 4193 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4194 ri.activityInfo.applicationInfo = new ApplicationInfo( 4195 ri.activityInfo.applicationInfo); 4196 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4197 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4198 return ri; 4199 } 4200 return mResolveInfo; 4201 } 4202 } 4203 return null; 4204 } 4205 4206 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4207 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4208 final int N = query.size(); 4209 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4210 .get(userId); 4211 // Get the list of persistent preferred activities that handle the intent 4212 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4213 List<PersistentPreferredActivity> pprefs = ppir != null 4214 ? ppir.queryIntent(intent, resolvedType, 4215 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4216 : null; 4217 if (pprefs != null && pprefs.size() > 0) { 4218 final int M = pprefs.size(); 4219 for (int i=0; i<M; i++) { 4220 final PersistentPreferredActivity ppa = pprefs.get(i); 4221 if (DEBUG_PREFERRED || debug) { 4222 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4223 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4224 + "\n component=" + ppa.mComponent); 4225 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4226 } 4227 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4228 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4229 if (DEBUG_PREFERRED || debug) { 4230 Slog.v(TAG, "Found persistent preferred activity:"); 4231 if (ai != null) { 4232 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4233 } else { 4234 Slog.v(TAG, " null"); 4235 } 4236 } 4237 if (ai == null) { 4238 // This previously registered persistent preferred activity 4239 // component is no longer known. Ignore it and do NOT remove it. 4240 continue; 4241 } 4242 for (int j=0; j<N; j++) { 4243 final ResolveInfo ri = query.get(j); 4244 if (!ri.activityInfo.applicationInfo.packageName 4245 .equals(ai.applicationInfo.packageName)) { 4246 continue; 4247 } 4248 if (!ri.activityInfo.name.equals(ai.name)) { 4249 continue; 4250 } 4251 // Found a persistent preference that can handle the intent. 4252 if (DEBUG_PREFERRED || debug) { 4253 Slog.v(TAG, "Returning persistent preferred activity: " + 4254 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4255 } 4256 return ri; 4257 } 4258 } 4259 } 4260 return null; 4261 } 4262 4263 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4264 List<ResolveInfo> query, int priority, boolean always, 4265 boolean removeMatches, boolean debug, int userId) { 4266 if (!sUserManager.exists(userId)) return null; 4267 // writer 4268 synchronized (mPackages) { 4269 if (intent.getSelector() != null) { 4270 intent = intent.getSelector(); 4271 } 4272 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4273 4274 // Try to find a matching persistent preferred activity. 4275 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4276 debug, userId); 4277 4278 // If a persistent preferred activity matched, use it. 4279 if (pri != null) { 4280 return pri; 4281 } 4282 4283 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4284 // Get the list of preferred activities that handle the intent 4285 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4286 List<PreferredActivity> prefs = pir != null 4287 ? pir.queryIntent(intent, resolvedType, 4288 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4289 : null; 4290 if (prefs != null && prefs.size() > 0) { 4291 boolean changed = false; 4292 try { 4293 // First figure out how good the original match set is. 4294 // We will only allow preferred activities that came 4295 // from the same match quality. 4296 int match = 0; 4297 4298 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4299 4300 final int N = query.size(); 4301 for (int j=0; j<N; j++) { 4302 final ResolveInfo ri = query.get(j); 4303 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4304 + ": 0x" + Integer.toHexString(match)); 4305 if (ri.match > match) { 4306 match = ri.match; 4307 } 4308 } 4309 4310 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4311 + Integer.toHexString(match)); 4312 4313 match &= IntentFilter.MATCH_CATEGORY_MASK; 4314 final int M = prefs.size(); 4315 for (int i=0; i<M; i++) { 4316 final PreferredActivity pa = prefs.get(i); 4317 if (DEBUG_PREFERRED || debug) { 4318 Slog.v(TAG, "Checking PreferredActivity ds=" 4319 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4320 + "\n component=" + pa.mPref.mComponent); 4321 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4322 } 4323 if (pa.mPref.mMatch != match) { 4324 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4325 + Integer.toHexString(pa.mPref.mMatch)); 4326 continue; 4327 } 4328 // If it's not an "always" type preferred activity and that's what we're 4329 // looking for, skip it. 4330 if (always && !pa.mPref.mAlways) { 4331 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4332 continue; 4333 } 4334 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4335 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4336 if (DEBUG_PREFERRED || debug) { 4337 Slog.v(TAG, "Found preferred activity:"); 4338 if (ai != null) { 4339 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4340 } else { 4341 Slog.v(TAG, " null"); 4342 } 4343 } 4344 if (ai == null) { 4345 // This previously registered preferred activity 4346 // component is no longer known. Most likely an update 4347 // to the app was installed and in the new version this 4348 // component no longer exists. Clean it up by removing 4349 // it from the preferred activities list, and skip it. 4350 Slog.w(TAG, "Removing dangling preferred activity: " 4351 + pa.mPref.mComponent); 4352 pir.removeFilter(pa); 4353 changed = true; 4354 continue; 4355 } 4356 for (int j=0; j<N; j++) { 4357 final ResolveInfo ri = query.get(j); 4358 if (!ri.activityInfo.applicationInfo.packageName 4359 .equals(ai.applicationInfo.packageName)) { 4360 continue; 4361 } 4362 if (!ri.activityInfo.name.equals(ai.name)) { 4363 continue; 4364 } 4365 4366 if (removeMatches) { 4367 pir.removeFilter(pa); 4368 changed = true; 4369 if (DEBUG_PREFERRED) { 4370 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4371 } 4372 break; 4373 } 4374 4375 // Okay we found a previously set preferred or last chosen app. 4376 // If the result set is different from when this 4377 // was created, we need to clear it and re-ask the 4378 // user their preference, if we're looking for an "always" type entry. 4379 if (always && !pa.mPref.sameSet(query)) { 4380 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4381 + intent + " type " + resolvedType); 4382 if (DEBUG_PREFERRED) { 4383 Slog.v(TAG, "Removing preferred activity since set changed " 4384 + pa.mPref.mComponent); 4385 } 4386 pir.removeFilter(pa); 4387 // Re-add the filter as a "last chosen" entry (!always) 4388 PreferredActivity lastChosen = new PreferredActivity( 4389 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4390 pir.addFilter(lastChosen); 4391 changed = true; 4392 return null; 4393 } 4394 4395 // Yay! Either the set matched or we're looking for the last chosen 4396 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4397 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4398 return ri; 4399 } 4400 } 4401 } finally { 4402 if (changed) { 4403 if (DEBUG_PREFERRED) { 4404 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4405 } 4406 scheduleWritePackageRestrictionsLocked(userId); 4407 } 4408 } 4409 } 4410 } 4411 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4412 return null; 4413 } 4414 4415 /* 4416 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4417 */ 4418 @Override 4419 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4420 int targetUserId) { 4421 mContext.enforceCallingOrSelfPermission( 4422 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4423 List<CrossProfileIntentFilter> matches = 4424 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4425 if (matches != null) { 4426 int size = matches.size(); 4427 for (int i = 0; i < size; i++) { 4428 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4429 } 4430 } 4431 if (hasWebURI(intent)) { 4432 // cross-profile app linking works only towards the parent. 4433 final UserInfo parent = getProfileParent(sourceUserId); 4434 synchronized(mPackages) { 4435 return getCrossProfileDomainPreferredLpr(intent, resolvedType, 0, sourceUserId, 4436 parent.id) != null; 4437 } 4438 } 4439 return false; 4440 } 4441 4442 private UserInfo getProfileParent(int userId) { 4443 final long identity = Binder.clearCallingIdentity(); 4444 try { 4445 return sUserManager.getProfileParent(userId); 4446 } finally { 4447 Binder.restoreCallingIdentity(identity); 4448 } 4449 } 4450 4451 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4452 String resolvedType, int userId) { 4453 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4454 if (resolver != null) { 4455 return resolver.queryIntent(intent, resolvedType, false, userId); 4456 } 4457 return null; 4458 } 4459 4460 @Override 4461 public List<ResolveInfo> queryIntentActivities(Intent intent, 4462 String resolvedType, int flags, int userId) { 4463 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4464 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4465 ComponentName comp = intent.getComponent(); 4466 if (comp == null) { 4467 if (intent.getSelector() != null) { 4468 intent = intent.getSelector(); 4469 comp = intent.getComponent(); 4470 } 4471 } 4472 4473 if (comp != null) { 4474 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4475 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4476 if (ai != null) { 4477 final ResolveInfo ri = new ResolveInfo(); 4478 ri.activityInfo = ai; 4479 list.add(ri); 4480 } 4481 return list; 4482 } 4483 4484 // reader 4485 synchronized (mPackages) { 4486 final String pkgName = intent.getPackage(); 4487 if (pkgName == null) { 4488 List<CrossProfileIntentFilter> matchingFilters = 4489 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4490 // Check for results that need to skip the current profile. 4491 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4492 resolvedType, flags, userId); 4493 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4494 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4495 result.add(xpResolveInfo); 4496 return filterIfNotPrimaryUser(result, userId); 4497 } 4498 4499 // Check for results in the current profile. 4500 List<ResolveInfo> result = mActivities.queryIntent( 4501 intent, resolvedType, flags, userId); 4502 4503 // Check for cross profile results. 4504 xpResolveInfo = queryCrossProfileIntents( 4505 matchingFilters, intent, resolvedType, flags, userId); 4506 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4507 result.add(xpResolveInfo); 4508 Collections.sort(result, mResolvePrioritySorter); 4509 } 4510 result = filterIfNotPrimaryUser(result, userId); 4511 if (hasWebURI(intent)) { 4512 CrossProfileDomainInfo xpDomainInfo = null; 4513 final UserInfo parent = getProfileParent(userId); 4514 if (parent != null) { 4515 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4516 flags, userId, parent.id); 4517 } 4518 if (xpDomainInfo != null) { 4519 if (xpResolveInfo != null) { 4520 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4521 // in the result. 4522 result.remove(xpResolveInfo); 4523 } 4524 if (result.size() == 0) { 4525 result.add(xpDomainInfo.resolveInfo); 4526 return result; 4527 } 4528 } else if (result.size() <= 1) { 4529 return result; 4530 } 4531 result = filterCandidatesWithDomainPreferredActivitiesLPr(flags, result, 4532 xpDomainInfo); 4533 Collections.sort(result, mResolvePrioritySorter); 4534 } 4535 return result; 4536 } 4537 final PackageParser.Package pkg = mPackages.get(pkgName); 4538 if (pkg != null) { 4539 return filterIfNotPrimaryUser( 4540 mActivities.queryIntentForPackage( 4541 intent, resolvedType, flags, pkg.activities, userId), 4542 userId); 4543 } 4544 return new ArrayList<ResolveInfo>(); 4545 } 4546 } 4547 4548 private static class CrossProfileDomainInfo { 4549 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4550 ResolveInfo resolveInfo; 4551 /* Best domain verification status of the activities found in the other profile */ 4552 int bestDomainVerificationStatus; 4553 } 4554 4555 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4556 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4557 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4558 sourceUserId)) { 4559 return null; 4560 } 4561 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4562 resolvedType, flags, parentUserId); 4563 4564 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4565 return null; 4566 } 4567 CrossProfileDomainInfo result = null; 4568 int size = resultTargetUser.size(); 4569 for (int i = 0; i < size; i++) { 4570 ResolveInfo riTargetUser = resultTargetUser.get(i); 4571 // Intent filter verification is only for filters that specify a host. So don't return 4572 // those that handle all web uris. 4573 if (riTargetUser.handleAllWebDataURI) { 4574 continue; 4575 } 4576 String packageName = riTargetUser.activityInfo.packageName; 4577 PackageSetting ps = mSettings.mPackages.get(packageName); 4578 if (ps == null) { 4579 continue; 4580 } 4581 int status = getDomainVerificationStatusLPr(ps, parentUserId); 4582 if (result == null) { 4583 result = new CrossProfileDomainInfo(); 4584 result.resolveInfo = 4585 createForwardingResolveInfo(null, sourceUserId, parentUserId); 4586 result.bestDomainVerificationStatus = status; 4587 } else { 4588 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4589 result.bestDomainVerificationStatus); 4590 } 4591 } 4592 return result; 4593 } 4594 4595 /** 4596 * Verification statuses are ordered from the worse to the best, except for 4597 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4598 */ 4599 private int bestDomainVerificationStatus(int status1, int status2) { 4600 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4601 return status2; 4602 } 4603 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4604 return status1; 4605 } 4606 return (int) MathUtils.max(status1, status2); 4607 } 4608 4609 private boolean isUserEnabled(int userId) { 4610 long callingId = Binder.clearCallingIdentity(); 4611 try { 4612 UserInfo userInfo = sUserManager.getUserInfo(userId); 4613 return userInfo != null && userInfo.isEnabled(); 4614 } finally { 4615 Binder.restoreCallingIdentity(callingId); 4616 } 4617 } 4618 4619 /** 4620 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4621 * 4622 * @return filtered list 4623 */ 4624 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4625 if (userId == UserHandle.USER_OWNER) { 4626 return resolveInfos; 4627 } 4628 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4629 ResolveInfo info = resolveInfos.get(i); 4630 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4631 resolveInfos.remove(i); 4632 } 4633 } 4634 return resolveInfos; 4635 } 4636 4637 private static boolean hasWebURI(Intent intent) { 4638 if (intent.getData() == null) { 4639 return false; 4640 } 4641 final String scheme = intent.getScheme(); 4642 if (TextUtils.isEmpty(scheme)) { 4643 return false; 4644 } 4645 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4646 } 4647 4648 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr( 4649 int flags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo) { 4650 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4651 Slog.v("TAG", "Filtering results with preferred activities. Candidates count: " + 4652 candidates.size()); 4653 } 4654 4655 final int userId = UserHandle.getCallingUserId(); 4656 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4657 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4658 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4659 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4660 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4661 4662 synchronized (mPackages) { 4663 final int count = candidates.size(); 4664 // First, try to use linked apps. Partition the candidates into four lists: 4665 // one for the final results, one for the "do not use ever", one for "undefined status" 4666 // and finally one for "browser app type". 4667 for (int n=0; n<count; n++) { 4668 ResolveInfo info = candidates.get(n); 4669 String packageName = info.activityInfo.packageName; 4670 PackageSetting ps = mSettings.mPackages.get(packageName); 4671 if (ps != null) { 4672 // Add to the special match all list (Browser use case) 4673 if (info.handleAllWebDataURI) { 4674 matchAllList.add(info); 4675 continue; 4676 } 4677 // Try to get the status from User settings first 4678 int status = getDomainVerificationStatusLPr(ps, userId); 4679 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4680 if (DEBUG_DOMAIN_VERIFICATION) { 4681 Slog.i(TAG, " + always: " + info.activityInfo.packageName); 4682 } 4683 alwaysList.add(info); 4684 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4685 if (DEBUG_DOMAIN_VERIFICATION) { 4686 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4687 } 4688 neverList.add(info); 4689 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4690 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4691 if (DEBUG_DOMAIN_VERIFICATION) { 4692 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4693 } 4694 undefinedList.add(info); 4695 } 4696 } 4697 } 4698 // First try to add the "always" resolution for the current user if there is any 4699 if (alwaysList.size() > 0) { 4700 result.addAll(alwaysList); 4701 // if there is an "always" for the parent user, add it. 4702 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4703 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4704 result.add(xpDomainInfo.resolveInfo); 4705 } else { 4706 // Add all undefined Apps as we want them to appear in the Disambiguation dialog. 4707 result.addAll(undefinedList); 4708 if (xpDomainInfo != null && ( 4709 xpDomainInfo.bestDomainVerificationStatus 4710 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4711 || xpDomainInfo.bestDomainVerificationStatus 4712 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4713 result.add(xpDomainInfo.resolveInfo); 4714 } 4715 // Also add Browsers (all of them or only the default one) 4716 if ((flags & MATCH_ALL) != 0) { 4717 result.addAll(matchAllList); 4718 } else { 4719 // Try to add the Default Browser if we can 4720 final String defaultBrowserPackageName = getDefaultBrowserPackageName( 4721 UserHandle.myUserId()); 4722 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 4723 boolean defaultBrowserFound = false; 4724 final int browserCount = matchAllList.size(); 4725 for (int n=0; n<browserCount; n++) { 4726 ResolveInfo browser = matchAllList.get(n); 4727 if (browser.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4728 result.add(browser); 4729 defaultBrowserFound = true; 4730 break; 4731 } 4732 } 4733 if (!defaultBrowserFound) { 4734 result.addAll(matchAllList); 4735 } 4736 } else { 4737 result.addAll(matchAllList); 4738 } 4739 } 4740 4741 // If there is nothing selected, add all candidates and remove the ones that the user 4742 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4743 if (result.size() == 0) { 4744 result.addAll(candidates); 4745 result.removeAll(neverList); 4746 } 4747 } 4748 } 4749 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4750 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4751 result.size()); 4752 for (ResolveInfo info : result) { 4753 Slog.v(TAG, " + " + info.activityInfo); 4754 } 4755 } 4756 return result; 4757 } 4758 4759 private int getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4760 int status = ps.getDomainVerificationStatusForUser(userId); 4761 // if none available, get the master status 4762 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4763 if (ps.getIntentFilterVerificationInfo() != null) { 4764 status = ps.getIntentFilterVerificationInfo().getStatus(); 4765 } 4766 } 4767 return status; 4768 } 4769 4770 private ResolveInfo querySkipCurrentProfileIntents( 4771 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4772 int flags, int sourceUserId) { 4773 if (matchingFilters != null) { 4774 int size = matchingFilters.size(); 4775 for (int i = 0; i < size; i ++) { 4776 CrossProfileIntentFilter filter = matchingFilters.get(i); 4777 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4778 // Checking if there are activities in the target user that can handle the 4779 // intent. 4780 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4781 flags, sourceUserId); 4782 if (resolveInfo != null) { 4783 return resolveInfo; 4784 } 4785 } 4786 } 4787 } 4788 return null; 4789 } 4790 4791 // Return matching ResolveInfo if any for skip current profile intent filters. 4792 private ResolveInfo queryCrossProfileIntents( 4793 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4794 int flags, int sourceUserId) { 4795 if (matchingFilters != null) { 4796 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4797 // match the same intent. For performance reasons, it is better not to 4798 // run queryIntent twice for the same userId 4799 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4800 int size = matchingFilters.size(); 4801 for (int i = 0; i < size; i++) { 4802 CrossProfileIntentFilter filter = matchingFilters.get(i); 4803 int targetUserId = filter.getTargetUserId(); 4804 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4805 && !alreadyTriedUserIds.get(targetUserId)) { 4806 // Checking if there are activities in the target user that can handle the 4807 // intent. 4808 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4809 flags, sourceUserId); 4810 if (resolveInfo != null) return resolveInfo; 4811 alreadyTriedUserIds.put(targetUserId, true); 4812 } 4813 } 4814 } 4815 return null; 4816 } 4817 4818 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4819 String resolvedType, int flags, int sourceUserId) { 4820 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4821 resolvedType, flags, filter.getTargetUserId()); 4822 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4823 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4824 } 4825 return null; 4826 } 4827 4828 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4829 int sourceUserId, int targetUserId) { 4830 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4831 String className; 4832 if (targetUserId == UserHandle.USER_OWNER) { 4833 className = FORWARD_INTENT_TO_USER_OWNER; 4834 } else { 4835 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4836 } 4837 ComponentName forwardingActivityComponentName = new ComponentName( 4838 mAndroidApplication.packageName, className); 4839 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4840 sourceUserId); 4841 if (targetUserId == UserHandle.USER_OWNER) { 4842 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4843 forwardingResolveInfo.noResourceId = true; 4844 } 4845 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4846 forwardingResolveInfo.priority = 0; 4847 forwardingResolveInfo.preferredOrder = 0; 4848 forwardingResolveInfo.match = 0; 4849 forwardingResolveInfo.isDefault = true; 4850 forwardingResolveInfo.filter = filter; 4851 forwardingResolveInfo.targetUserId = targetUserId; 4852 return forwardingResolveInfo; 4853 } 4854 4855 @Override 4856 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4857 Intent[] specifics, String[] specificTypes, Intent intent, 4858 String resolvedType, int flags, int userId) { 4859 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4860 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4861 false, "query intent activity options"); 4862 final String resultsAction = intent.getAction(); 4863 4864 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4865 | PackageManager.GET_RESOLVED_FILTER, userId); 4866 4867 if (DEBUG_INTENT_MATCHING) { 4868 Log.v(TAG, "Query " + intent + ": " + results); 4869 } 4870 4871 int specificsPos = 0; 4872 int N; 4873 4874 // todo: note that the algorithm used here is O(N^2). This 4875 // isn't a problem in our current environment, but if we start running 4876 // into situations where we have more than 5 or 10 matches then this 4877 // should probably be changed to something smarter... 4878 4879 // First we go through and resolve each of the specific items 4880 // that were supplied, taking care of removing any corresponding 4881 // duplicate items in the generic resolve list. 4882 if (specifics != null) { 4883 for (int i=0; i<specifics.length; i++) { 4884 final Intent sintent = specifics[i]; 4885 if (sintent == null) { 4886 continue; 4887 } 4888 4889 if (DEBUG_INTENT_MATCHING) { 4890 Log.v(TAG, "Specific #" + i + ": " + sintent); 4891 } 4892 4893 String action = sintent.getAction(); 4894 if (resultsAction != null && resultsAction.equals(action)) { 4895 // If this action was explicitly requested, then don't 4896 // remove things that have it. 4897 action = null; 4898 } 4899 4900 ResolveInfo ri = null; 4901 ActivityInfo ai = null; 4902 4903 ComponentName comp = sintent.getComponent(); 4904 if (comp == null) { 4905 ri = resolveIntent( 4906 sintent, 4907 specificTypes != null ? specificTypes[i] : null, 4908 flags, userId); 4909 if (ri == null) { 4910 continue; 4911 } 4912 if (ri == mResolveInfo) { 4913 // ACK! Must do something better with this. 4914 } 4915 ai = ri.activityInfo; 4916 comp = new ComponentName(ai.applicationInfo.packageName, 4917 ai.name); 4918 } else { 4919 ai = getActivityInfo(comp, flags, userId); 4920 if (ai == null) { 4921 continue; 4922 } 4923 } 4924 4925 // Look for any generic query activities that are duplicates 4926 // of this specific one, and remove them from the results. 4927 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 4928 N = results.size(); 4929 int j; 4930 for (j=specificsPos; j<N; j++) { 4931 ResolveInfo sri = results.get(j); 4932 if ((sri.activityInfo.name.equals(comp.getClassName()) 4933 && sri.activityInfo.applicationInfo.packageName.equals( 4934 comp.getPackageName())) 4935 || (action != null && sri.filter.matchAction(action))) { 4936 results.remove(j); 4937 if (DEBUG_INTENT_MATCHING) Log.v( 4938 TAG, "Removing duplicate item from " + j 4939 + " due to specific " + specificsPos); 4940 if (ri == null) { 4941 ri = sri; 4942 } 4943 j--; 4944 N--; 4945 } 4946 } 4947 4948 // Add this specific item to its proper place. 4949 if (ri == null) { 4950 ri = new ResolveInfo(); 4951 ri.activityInfo = ai; 4952 } 4953 results.add(specificsPos, ri); 4954 ri.specificIndex = i; 4955 specificsPos++; 4956 } 4957 } 4958 4959 // Now we go through the remaining generic results and remove any 4960 // duplicate actions that are found here. 4961 N = results.size(); 4962 for (int i=specificsPos; i<N-1; i++) { 4963 final ResolveInfo rii = results.get(i); 4964 if (rii.filter == null) { 4965 continue; 4966 } 4967 4968 // Iterate over all of the actions of this result's intent 4969 // filter... typically this should be just one. 4970 final Iterator<String> it = rii.filter.actionsIterator(); 4971 if (it == null) { 4972 continue; 4973 } 4974 while (it.hasNext()) { 4975 final String action = it.next(); 4976 if (resultsAction != null && resultsAction.equals(action)) { 4977 // If this action was explicitly requested, then don't 4978 // remove things that have it. 4979 continue; 4980 } 4981 for (int j=i+1; j<N; j++) { 4982 final ResolveInfo rij = results.get(j); 4983 if (rij.filter != null && rij.filter.hasAction(action)) { 4984 results.remove(j); 4985 if (DEBUG_INTENT_MATCHING) Log.v( 4986 TAG, "Removing duplicate item from " + j 4987 + " due to action " + action + " at " + i); 4988 j--; 4989 N--; 4990 } 4991 } 4992 } 4993 4994 // If the caller didn't request filter information, drop it now 4995 // so we don't have to marshall/unmarshall it. 4996 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 4997 rii.filter = null; 4998 } 4999 } 5000 5001 // Filter out the caller activity if so requested. 5002 if (caller != null) { 5003 N = results.size(); 5004 for (int i=0; i<N; i++) { 5005 ActivityInfo ainfo = results.get(i).activityInfo; 5006 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5007 && caller.getClassName().equals(ainfo.name)) { 5008 results.remove(i); 5009 break; 5010 } 5011 } 5012 } 5013 5014 // If the caller didn't request filter information, 5015 // drop them now so we don't have to 5016 // marshall/unmarshall it. 5017 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5018 N = results.size(); 5019 for (int i=0; i<N; i++) { 5020 results.get(i).filter = null; 5021 } 5022 } 5023 5024 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5025 return results; 5026 } 5027 5028 @Override 5029 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5030 int userId) { 5031 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5032 ComponentName comp = intent.getComponent(); 5033 if (comp == null) { 5034 if (intent.getSelector() != null) { 5035 intent = intent.getSelector(); 5036 comp = intent.getComponent(); 5037 } 5038 } 5039 if (comp != null) { 5040 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5041 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5042 if (ai != null) { 5043 ResolveInfo ri = new ResolveInfo(); 5044 ri.activityInfo = ai; 5045 list.add(ri); 5046 } 5047 return list; 5048 } 5049 5050 // reader 5051 synchronized (mPackages) { 5052 String pkgName = intent.getPackage(); 5053 if (pkgName == null) { 5054 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5055 } 5056 final PackageParser.Package pkg = mPackages.get(pkgName); 5057 if (pkg != null) { 5058 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5059 userId); 5060 } 5061 return null; 5062 } 5063 } 5064 5065 @Override 5066 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5067 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5068 if (!sUserManager.exists(userId)) return null; 5069 if (query != null) { 5070 if (query.size() >= 1) { 5071 // If there is more than one service with the same priority, 5072 // just arbitrarily pick the first one. 5073 return query.get(0); 5074 } 5075 } 5076 return null; 5077 } 5078 5079 @Override 5080 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5081 int userId) { 5082 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5083 ComponentName comp = intent.getComponent(); 5084 if (comp == null) { 5085 if (intent.getSelector() != null) { 5086 intent = intent.getSelector(); 5087 comp = intent.getComponent(); 5088 } 5089 } 5090 if (comp != null) { 5091 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5092 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5093 if (si != null) { 5094 final ResolveInfo ri = new ResolveInfo(); 5095 ri.serviceInfo = si; 5096 list.add(ri); 5097 } 5098 return list; 5099 } 5100 5101 // reader 5102 synchronized (mPackages) { 5103 String pkgName = intent.getPackage(); 5104 if (pkgName == null) { 5105 return mServices.queryIntent(intent, resolvedType, flags, userId); 5106 } 5107 final PackageParser.Package pkg = mPackages.get(pkgName); 5108 if (pkg != null) { 5109 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5110 userId); 5111 } 5112 return null; 5113 } 5114 } 5115 5116 @Override 5117 public List<ResolveInfo> queryIntentContentProviders( 5118 Intent intent, String resolvedType, int flags, int userId) { 5119 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5120 ComponentName comp = intent.getComponent(); 5121 if (comp == null) { 5122 if (intent.getSelector() != null) { 5123 intent = intent.getSelector(); 5124 comp = intent.getComponent(); 5125 } 5126 } 5127 if (comp != null) { 5128 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5129 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5130 if (pi != null) { 5131 final ResolveInfo ri = new ResolveInfo(); 5132 ri.providerInfo = pi; 5133 list.add(ri); 5134 } 5135 return list; 5136 } 5137 5138 // reader 5139 synchronized (mPackages) { 5140 String pkgName = intent.getPackage(); 5141 if (pkgName == null) { 5142 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5143 } 5144 final PackageParser.Package pkg = mPackages.get(pkgName); 5145 if (pkg != null) { 5146 return mProviders.queryIntentForPackage( 5147 intent, resolvedType, flags, pkg.providers, userId); 5148 } 5149 return null; 5150 } 5151 } 5152 5153 @Override 5154 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5155 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5156 5157 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5158 5159 // writer 5160 synchronized (mPackages) { 5161 ArrayList<PackageInfo> list; 5162 if (listUninstalled) { 5163 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5164 for (PackageSetting ps : mSettings.mPackages.values()) { 5165 PackageInfo pi; 5166 if (ps.pkg != null) { 5167 pi = generatePackageInfo(ps.pkg, flags, userId); 5168 } else { 5169 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5170 } 5171 if (pi != null) { 5172 list.add(pi); 5173 } 5174 } 5175 } else { 5176 list = new ArrayList<PackageInfo>(mPackages.size()); 5177 for (PackageParser.Package p : mPackages.values()) { 5178 PackageInfo pi = generatePackageInfo(p, flags, userId); 5179 if (pi != null) { 5180 list.add(pi); 5181 } 5182 } 5183 } 5184 5185 return new ParceledListSlice<PackageInfo>(list); 5186 } 5187 } 5188 5189 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5190 String[] permissions, boolean[] tmp, int flags, int userId) { 5191 int numMatch = 0; 5192 final PermissionsState permissionsState = ps.getPermissionsState(); 5193 for (int i=0; i<permissions.length; i++) { 5194 final String permission = permissions[i]; 5195 if (permissionsState.hasPermission(permission, userId)) { 5196 tmp[i] = true; 5197 numMatch++; 5198 } else { 5199 tmp[i] = false; 5200 } 5201 } 5202 if (numMatch == 0) { 5203 return; 5204 } 5205 PackageInfo pi; 5206 if (ps.pkg != null) { 5207 pi = generatePackageInfo(ps.pkg, flags, userId); 5208 } else { 5209 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5210 } 5211 // The above might return null in cases of uninstalled apps or install-state 5212 // skew across users/profiles. 5213 if (pi != null) { 5214 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5215 if (numMatch == permissions.length) { 5216 pi.requestedPermissions = permissions; 5217 } else { 5218 pi.requestedPermissions = new String[numMatch]; 5219 numMatch = 0; 5220 for (int i=0; i<permissions.length; i++) { 5221 if (tmp[i]) { 5222 pi.requestedPermissions[numMatch] = permissions[i]; 5223 numMatch++; 5224 } 5225 } 5226 } 5227 } 5228 list.add(pi); 5229 } 5230 } 5231 5232 @Override 5233 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5234 String[] permissions, int flags, int userId) { 5235 if (!sUserManager.exists(userId)) return null; 5236 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5237 5238 // writer 5239 synchronized (mPackages) { 5240 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5241 boolean[] tmpBools = new boolean[permissions.length]; 5242 if (listUninstalled) { 5243 for (PackageSetting ps : mSettings.mPackages.values()) { 5244 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5245 } 5246 } else { 5247 for (PackageParser.Package pkg : mPackages.values()) { 5248 PackageSetting ps = (PackageSetting)pkg.mExtras; 5249 if (ps != null) { 5250 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5251 userId); 5252 } 5253 } 5254 } 5255 5256 return new ParceledListSlice<PackageInfo>(list); 5257 } 5258 } 5259 5260 @Override 5261 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5262 if (!sUserManager.exists(userId)) return null; 5263 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5264 5265 // writer 5266 synchronized (mPackages) { 5267 ArrayList<ApplicationInfo> list; 5268 if (listUninstalled) { 5269 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5270 for (PackageSetting ps : mSettings.mPackages.values()) { 5271 ApplicationInfo ai; 5272 if (ps.pkg != null) { 5273 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5274 ps.readUserState(userId), userId); 5275 } else { 5276 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5277 } 5278 if (ai != null) { 5279 list.add(ai); 5280 } 5281 } 5282 } else { 5283 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5284 for (PackageParser.Package p : mPackages.values()) { 5285 if (p.mExtras != null) { 5286 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5287 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5288 if (ai != null) { 5289 list.add(ai); 5290 } 5291 } 5292 } 5293 } 5294 5295 return new ParceledListSlice<ApplicationInfo>(list); 5296 } 5297 } 5298 5299 public List<ApplicationInfo> getPersistentApplications(int flags) { 5300 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5301 5302 // reader 5303 synchronized (mPackages) { 5304 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5305 final int userId = UserHandle.getCallingUserId(); 5306 while (i.hasNext()) { 5307 final PackageParser.Package p = i.next(); 5308 if (p.applicationInfo != null 5309 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5310 && (!mSafeMode || isSystemApp(p))) { 5311 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5312 if (ps != null) { 5313 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5314 ps.readUserState(userId), userId); 5315 if (ai != null) { 5316 finalList.add(ai); 5317 } 5318 } 5319 } 5320 } 5321 } 5322 5323 return finalList; 5324 } 5325 5326 @Override 5327 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5328 if (!sUserManager.exists(userId)) return null; 5329 // reader 5330 synchronized (mPackages) { 5331 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5332 PackageSetting ps = provider != null 5333 ? mSettings.mPackages.get(provider.owner.packageName) 5334 : null; 5335 return ps != null 5336 && mSettings.isEnabledLPr(provider.info, flags, userId) 5337 && (!mSafeMode || (provider.info.applicationInfo.flags 5338 &ApplicationInfo.FLAG_SYSTEM) != 0) 5339 ? PackageParser.generateProviderInfo(provider, flags, 5340 ps.readUserState(userId), userId) 5341 : null; 5342 } 5343 } 5344 5345 /** 5346 * @deprecated 5347 */ 5348 @Deprecated 5349 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5350 // reader 5351 synchronized (mPackages) { 5352 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5353 .entrySet().iterator(); 5354 final int userId = UserHandle.getCallingUserId(); 5355 while (i.hasNext()) { 5356 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5357 PackageParser.Provider p = entry.getValue(); 5358 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5359 5360 if (ps != null && p.syncable 5361 && (!mSafeMode || (p.info.applicationInfo.flags 5362 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5363 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5364 ps.readUserState(userId), userId); 5365 if (info != null) { 5366 outNames.add(entry.getKey()); 5367 outInfo.add(info); 5368 } 5369 } 5370 } 5371 } 5372 } 5373 5374 @Override 5375 public List<ProviderInfo> queryContentProviders(String processName, 5376 int uid, int flags) { 5377 ArrayList<ProviderInfo> finalList = null; 5378 // reader 5379 synchronized (mPackages) { 5380 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5381 final int userId = processName != null ? 5382 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5383 while (i.hasNext()) { 5384 final PackageParser.Provider p = i.next(); 5385 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5386 if (ps != null && p.info.authority != null 5387 && (processName == null 5388 || (p.info.processName.equals(processName) 5389 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5390 && mSettings.isEnabledLPr(p.info, flags, userId) 5391 && (!mSafeMode 5392 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5393 if (finalList == null) { 5394 finalList = new ArrayList<ProviderInfo>(3); 5395 } 5396 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5397 ps.readUserState(userId), userId); 5398 if (info != null) { 5399 finalList.add(info); 5400 } 5401 } 5402 } 5403 } 5404 5405 if (finalList != null) { 5406 Collections.sort(finalList, mProviderInitOrderSorter); 5407 } 5408 5409 return finalList; 5410 } 5411 5412 @Override 5413 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5414 int flags) { 5415 // reader 5416 synchronized (mPackages) { 5417 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5418 return PackageParser.generateInstrumentationInfo(i, flags); 5419 } 5420 } 5421 5422 @Override 5423 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5424 int flags) { 5425 ArrayList<InstrumentationInfo> finalList = 5426 new ArrayList<InstrumentationInfo>(); 5427 5428 // reader 5429 synchronized (mPackages) { 5430 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5431 while (i.hasNext()) { 5432 final PackageParser.Instrumentation p = i.next(); 5433 if (targetPackage == null 5434 || targetPackage.equals(p.info.targetPackage)) { 5435 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5436 flags); 5437 if (ii != null) { 5438 finalList.add(ii); 5439 } 5440 } 5441 } 5442 } 5443 5444 return finalList; 5445 } 5446 5447 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5448 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5449 if (overlays == null) { 5450 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5451 return; 5452 } 5453 for (PackageParser.Package opkg : overlays.values()) { 5454 // Not much to do if idmap fails: we already logged the error 5455 // and we certainly don't want to abort installation of pkg simply 5456 // because an overlay didn't fit properly. For these reasons, 5457 // ignore the return value of createIdmapForPackagePairLI. 5458 createIdmapForPackagePairLI(pkg, opkg); 5459 } 5460 } 5461 5462 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5463 PackageParser.Package opkg) { 5464 if (!opkg.mTrustedOverlay) { 5465 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5466 opkg.baseCodePath + ": overlay not trusted"); 5467 return false; 5468 } 5469 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5470 if (overlaySet == null) { 5471 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5472 opkg.baseCodePath + " but target package has no known overlays"); 5473 return false; 5474 } 5475 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5476 // TODO: generate idmap for split APKs 5477 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5478 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5479 + opkg.baseCodePath); 5480 return false; 5481 } 5482 PackageParser.Package[] overlayArray = 5483 overlaySet.values().toArray(new PackageParser.Package[0]); 5484 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5485 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5486 return p1.mOverlayPriority - p2.mOverlayPriority; 5487 } 5488 }; 5489 Arrays.sort(overlayArray, cmp); 5490 5491 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5492 int i = 0; 5493 for (PackageParser.Package p : overlayArray) { 5494 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5495 } 5496 return true; 5497 } 5498 5499 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5500 final File[] files = dir.listFiles(); 5501 if (ArrayUtils.isEmpty(files)) { 5502 Log.d(TAG, "No files in app dir " + dir); 5503 return; 5504 } 5505 5506 if (DEBUG_PACKAGE_SCANNING) { 5507 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5508 + " flags=0x" + Integer.toHexString(parseFlags)); 5509 } 5510 5511 for (File file : files) { 5512 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5513 && !PackageInstallerService.isStageName(file.getName()); 5514 if (!isPackage) { 5515 // Ignore entries which are not packages 5516 continue; 5517 } 5518 try { 5519 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5520 scanFlags, currentTime, null); 5521 } catch (PackageManagerException e) { 5522 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5523 5524 // Delete invalid userdata apps 5525 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5526 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5527 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5528 if (file.isDirectory()) { 5529 mInstaller.rmPackageDir(file.getAbsolutePath()); 5530 } else { 5531 file.delete(); 5532 } 5533 } 5534 } 5535 } 5536 } 5537 5538 private static File getSettingsProblemFile() { 5539 File dataDir = Environment.getDataDirectory(); 5540 File systemDir = new File(dataDir, "system"); 5541 File fname = new File(systemDir, "uiderrors.txt"); 5542 return fname; 5543 } 5544 5545 static void reportSettingsProblem(int priority, String msg) { 5546 logCriticalInfo(priority, msg); 5547 } 5548 5549 static void logCriticalInfo(int priority, String msg) { 5550 Slog.println(priority, TAG, msg); 5551 EventLogTags.writePmCriticalInfo(msg); 5552 try { 5553 File fname = getSettingsProblemFile(); 5554 FileOutputStream out = new FileOutputStream(fname, true); 5555 PrintWriter pw = new FastPrintWriter(out); 5556 SimpleDateFormat formatter = new SimpleDateFormat(); 5557 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5558 pw.println(dateString + ": " + msg); 5559 pw.close(); 5560 FileUtils.setPermissions( 5561 fname.toString(), 5562 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5563 -1, -1); 5564 } catch (java.io.IOException e) { 5565 } 5566 } 5567 5568 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5569 PackageParser.Package pkg, File srcFile, int parseFlags) 5570 throws PackageManagerException { 5571 if (ps != null 5572 && ps.codePath.equals(srcFile) 5573 && ps.timeStamp == srcFile.lastModified() 5574 && !isCompatSignatureUpdateNeeded(pkg) 5575 && !isRecoverSignatureUpdateNeeded(pkg)) { 5576 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5577 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5578 ArraySet<PublicKey> signingKs; 5579 synchronized (mPackages) { 5580 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5581 } 5582 if (ps.signatures.mSignatures != null 5583 && ps.signatures.mSignatures.length != 0 5584 && signingKs != null) { 5585 // Optimization: reuse the existing cached certificates 5586 // if the package appears to be unchanged. 5587 pkg.mSignatures = ps.signatures.mSignatures; 5588 pkg.mSigningKeys = signingKs; 5589 return; 5590 } 5591 5592 Slog.w(TAG, "PackageSetting for " + ps.name 5593 + " is missing signatures. Collecting certs again to recover them."); 5594 } else { 5595 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5596 } 5597 5598 try { 5599 pp.collectCertificates(pkg, parseFlags); 5600 pp.collectManifestDigest(pkg); 5601 } catch (PackageParserException e) { 5602 throw PackageManagerException.from(e); 5603 } 5604 } 5605 5606 /* 5607 * Scan a package and return the newly parsed package. 5608 * Returns null in case of errors and the error code is stored in mLastScanError 5609 */ 5610 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5611 long currentTime, UserHandle user) throws PackageManagerException { 5612 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5613 parseFlags |= mDefParseFlags; 5614 PackageParser pp = new PackageParser(); 5615 pp.setSeparateProcesses(mSeparateProcesses); 5616 pp.setOnlyCoreApps(mOnlyCore); 5617 pp.setDisplayMetrics(mMetrics); 5618 5619 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5620 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5621 } 5622 5623 final PackageParser.Package pkg; 5624 try { 5625 pkg = pp.parsePackage(scanFile, parseFlags); 5626 } catch (PackageParserException e) { 5627 throw PackageManagerException.from(e); 5628 } 5629 5630 PackageSetting ps = null; 5631 PackageSetting updatedPkg; 5632 // reader 5633 synchronized (mPackages) { 5634 // Look to see if we already know about this package. 5635 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5636 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5637 // This package has been renamed to its original name. Let's 5638 // use that. 5639 ps = mSettings.peekPackageLPr(oldName); 5640 } 5641 // If there was no original package, see one for the real package name. 5642 if (ps == null) { 5643 ps = mSettings.peekPackageLPr(pkg.packageName); 5644 } 5645 // Check to see if this package could be hiding/updating a system 5646 // package. Must look for it either under the original or real 5647 // package name depending on our state. 5648 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5649 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5650 } 5651 boolean updatedPkgBetter = false; 5652 // First check if this is a system package that may involve an update 5653 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5654 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5655 // it needs to drop FLAG_PRIVILEGED. 5656 if (locationIsPrivileged(scanFile)) { 5657 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5658 } else { 5659 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5660 } 5661 5662 if (ps != null && !ps.codePath.equals(scanFile)) { 5663 // The path has changed from what was last scanned... check the 5664 // version of the new path against what we have stored to determine 5665 // what to do. 5666 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5667 if (pkg.mVersionCode <= ps.versionCode) { 5668 // The system package has been updated and the code path does not match 5669 // Ignore entry. Skip it. 5670 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5671 + " ignored: updated version " + ps.versionCode 5672 + " better than this " + pkg.mVersionCode); 5673 if (!updatedPkg.codePath.equals(scanFile)) { 5674 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5675 + ps.name + " changing from " + updatedPkg.codePathString 5676 + " to " + scanFile); 5677 updatedPkg.codePath = scanFile; 5678 updatedPkg.codePathString = scanFile.toString(); 5679 updatedPkg.resourcePath = scanFile; 5680 updatedPkg.resourcePathString = scanFile.toString(); 5681 } 5682 updatedPkg.pkg = pkg; 5683 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5684 "Package " + ps.name + " at " + scanFile 5685 + " ignored: updated version " + ps.versionCode 5686 + " better than this " + pkg.mVersionCode); 5687 } else { 5688 // The current app on the system partition is better than 5689 // what we have updated to on the data partition; switch 5690 // back to the system partition version. 5691 // At this point, its safely assumed that package installation for 5692 // apps in system partition will go through. If not there won't be a working 5693 // version of the app 5694 // writer 5695 synchronized (mPackages) { 5696 // Just remove the loaded entries from package lists. 5697 mPackages.remove(ps.name); 5698 } 5699 5700 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5701 + " reverting from " + ps.codePathString 5702 + ": new version " + pkg.mVersionCode 5703 + " better than installed " + ps.versionCode); 5704 5705 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5706 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5707 synchronized (mInstallLock) { 5708 args.cleanUpResourcesLI(); 5709 } 5710 synchronized (mPackages) { 5711 mSettings.enableSystemPackageLPw(ps.name); 5712 } 5713 updatedPkgBetter = true; 5714 } 5715 } 5716 } 5717 5718 if (updatedPkg != null) { 5719 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5720 // initially 5721 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5722 5723 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5724 // flag set initially 5725 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5726 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5727 } 5728 } 5729 5730 // Verify certificates against what was last scanned 5731 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5732 5733 /* 5734 * A new system app appeared, but we already had a non-system one of the 5735 * same name installed earlier. 5736 */ 5737 boolean shouldHideSystemApp = false; 5738 if (updatedPkg == null && ps != null 5739 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5740 /* 5741 * Check to make sure the signatures match first. If they don't, 5742 * wipe the installed application and its data. 5743 */ 5744 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5745 != PackageManager.SIGNATURE_MATCH) { 5746 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5747 + " signatures don't match existing userdata copy; removing"); 5748 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5749 ps = null; 5750 } else { 5751 /* 5752 * If the newly-added system app is an older version than the 5753 * already installed version, hide it. It will be scanned later 5754 * and re-added like an update. 5755 */ 5756 if (pkg.mVersionCode <= ps.versionCode) { 5757 shouldHideSystemApp = true; 5758 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5759 + " but new version " + pkg.mVersionCode + " better than installed " 5760 + ps.versionCode + "; hiding system"); 5761 } else { 5762 /* 5763 * The newly found system app is a newer version that the 5764 * one previously installed. Simply remove the 5765 * already-installed application and replace it with our own 5766 * while keeping the application data. 5767 */ 5768 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5769 + " reverting from " + ps.codePathString + ": new version " 5770 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5771 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5772 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5773 synchronized (mInstallLock) { 5774 args.cleanUpResourcesLI(); 5775 } 5776 } 5777 } 5778 } 5779 5780 // The apk is forward locked (not public) if its code and resources 5781 // are kept in different files. (except for app in either system or 5782 // vendor path). 5783 // TODO grab this value from PackageSettings 5784 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5785 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5786 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5787 } 5788 } 5789 5790 // TODO: extend to support forward-locked splits 5791 String resourcePath = null; 5792 String baseResourcePath = null; 5793 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5794 if (ps != null && ps.resourcePathString != null) { 5795 resourcePath = ps.resourcePathString; 5796 baseResourcePath = ps.resourcePathString; 5797 } else { 5798 // Should not happen at all. Just log an error. 5799 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5800 } 5801 } else { 5802 resourcePath = pkg.codePath; 5803 baseResourcePath = pkg.baseCodePath; 5804 } 5805 5806 // Set application objects path explicitly. 5807 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5808 pkg.applicationInfo.setCodePath(pkg.codePath); 5809 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5810 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5811 pkg.applicationInfo.setResourcePath(resourcePath); 5812 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5813 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5814 5815 // Note that we invoke the following method only if we are about to unpack an application 5816 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5817 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5818 5819 /* 5820 * If the system app should be overridden by a previously installed 5821 * data, hide the system app now and let the /data/app scan pick it up 5822 * again. 5823 */ 5824 if (shouldHideSystemApp) { 5825 synchronized (mPackages) { 5826 /* 5827 * We have to grant systems permissions before we hide, because 5828 * grantPermissions will assume the package update is trying to 5829 * expand its permissions. 5830 */ 5831 grantPermissionsLPw(pkg, true, pkg.packageName); 5832 mSettings.disableSystemPackageLPw(pkg.packageName); 5833 } 5834 } 5835 5836 return scannedPkg; 5837 } 5838 5839 private static String fixProcessName(String defProcessName, 5840 String processName, int uid) { 5841 if (processName == null) { 5842 return defProcessName; 5843 } 5844 return processName; 5845 } 5846 5847 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5848 throws PackageManagerException { 5849 if (pkgSetting.signatures.mSignatures != null) { 5850 // Already existing package. Make sure signatures match 5851 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5852 == PackageManager.SIGNATURE_MATCH; 5853 if (!match) { 5854 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5855 == PackageManager.SIGNATURE_MATCH; 5856 } 5857 if (!match) { 5858 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5859 == PackageManager.SIGNATURE_MATCH; 5860 } 5861 if (!match) { 5862 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5863 + pkg.packageName + " signatures do not match the " 5864 + "previously installed version; ignoring!"); 5865 } 5866 } 5867 5868 // Check for shared user signatures 5869 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5870 // Already existing package. Make sure signatures match 5871 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5872 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5873 if (!match) { 5874 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5875 == PackageManager.SIGNATURE_MATCH; 5876 } 5877 if (!match) { 5878 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5879 == PackageManager.SIGNATURE_MATCH; 5880 } 5881 if (!match) { 5882 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5883 "Package " + pkg.packageName 5884 + " has no signatures that match those in shared user " 5885 + pkgSetting.sharedUser.name + "; ignoring!"); 5886 } 5887 } 5888 } 5889 5890 /** 5891 * Enforces that only the system UID or root's UID can call a method exposed 5892 * via Binder. 5893 * 5894 * @param message used as message if SecurityException is thrown 5895 * @throws SecurityException if the caller is not system or root 5896 */ 5897 private static final void enforceSystemOrRoot(String message) { 5898 final int uid = Binder.getCallingUid(); 5899 if (uid != Process.SYSTEM_UID && uid != 0) { 5900 throw new SecurityException(message); 5901 } 5902 } 5903 5904 @Override 5905 public void performBootDexOpt() { 5906 enforceSystemOrRoot("Only the system can request dexopt be performed"); 5907 5908 // Before everything else, see whether we need to fstrim. 5909 try { 5910 IMountService ms = PackageHelper.getMountService(); 5911 if (ms != null) { 5912 final boolean isUpgrade = isUpgrade(); 5913 boolean doTrim = isUpgrade; 5914 if (doTrim) { 5915 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 5916 } else { 5917 final long interval = android.provider.Settings.Global.getLong( 5918 mContext.getContentResolver(), 5919 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 5920 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 5921 if (interval > 0) { 5922 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 5923 if (timeSinceLast > interval) { 5924 doTrim = true; 5925 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 5926 + "; running immediately"); 5927 } 5928 } 5929 } 5930 if (doTrim) { 5931 if (!isFirstBoot()) { 5932 try { 5933 ActivityManagerNative.getDefault().showBootMessage( 5934 mContext.getResources().getString( 5935 R.string.android_upgrading_fstrim), true); 5936 } catch (RemoteException e) { 5937 } 5938 } 5939 ms.runMaintenance(); 5940 } 5941 } else { 5942 Slog.e(TAG, "Mount service unavailable!"); 5943 } 5944 } catch (RemoteException e) { 5945 // Can't happen; MountService is local 5946 } 5947 5948 final ArraySet<PackageParser.Package> pkgs; 5949 synchronized (mPackages) { 5950 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 5951 } 5952 5953 if (pkgs != null) { 5954 // Sort apps by importance for dexopt ordering. Important apps are given more priority 5955 // in case the device runs out of space. 5956 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 5957 // Give priority to core apps. 5958 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5959 PackageParser.Package pkg = it.next(); 5960 if (pkg.coreApp) { 5961 if (DEBUG_DEXOPT) { 5962 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 5963 } 5964 sortedPkgs.add(pkg); 5965 it.remove(); 5966 } 5967 } 5968 // Give priority to system apps that listen for pre boot complete. 5969 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 5970 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 5971 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5972 PackageParser.Package pkg = it.next(); 5973 if (pkgNames.contains(pkg.packageName)) { 5974 if (DEBUG_DEXOPT) { 5975 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 5976 } 5977 sortedPkgs.add(pkg); 5978 it.remove(); 5979 } 5980 } 5981 // Give priority to system apps. 5982 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5983 PackageParser.Package pkg = it.next(); 5984 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5985 if (DEBUG_DEXOPT) { 5986 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 5987 } 5988 sortedPkgs.add(pkg); 5989 it.remove(); 5990 } 5991 } 5992 // Give priority to updated system apps. 5993 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5994 PackageParser.Package pkg = it.next(); 5995 if (pkg.isUpdatedSystemApp()) { 5996 if (DEBUG_DEXOPT) { 5997 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 5998 } 5999 sortedPkgs.add(pkg); 6000 it.remove(); 6001 } 6002 } 6003 // Give priority to apps that listen for boot complete. 6004 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 6005 pkgNames = getPackageNamesForIntent(intent); 6006 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6007 PackageParser.Package pkg = it.next(); 6008 if (pkgNames.contains(pkg.packageName)) { 6009 if (DEBUG_DEXOPT) { 6010 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 6011 } 6012 sortedPkgs.add(pkg); 6013 it.remove(); 6014 } 6015 } 6016 // Filter out packages that aren't recently used. 6017 filterRecentlyUsedApps(pkgs); 6018 // Add all remaining apps. 6019 for (PackageParser.Package pkg : pkgs) { 6020 if (DEBUG_DEXOPT) { 6021 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6022 } 6023 sortedPkgs.add(pkg); 6024 } 6025 6026 // If we want to be lazy, filter everything that wasn't recently used. 6027 if (mLazyDexOpt) { 6028 filterRecentlyUsedApps(sortedPkgs); 6029 } 6030 6031 int i = 0; 6032 int total = sortedPkgs.size(); 6033 File dataDir = Environment.getDataDirectory(); 6034 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6035 if (lowThreshold == 0) { 6036 throw new IllegalStateException("Invalid low memory threshold"); 6037 } 6038 for (PackageParser.Package pkg : sortedPkgs) { 6039 long usableSpace = dataDir.getUsableSpace(); 6040 if (usableSpace < lowThreshold) { 6041 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6042 break; 6043 } 6044 performBootDexOpt(pkg, ++i, total); 6045 } 6046 } 6047 } 6048 6049 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6050 // Filter out packages that aren't recently used. 6051 // 6052 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6053 // should do a full dexopt. 6054 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6055 int total = pkgs.size(); 6056 int skipped = 0; 6057 long now = System.currentTimeMillis(); 6058 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6059 PackageParser.Package pkg = i.next(); 6060 long then = pkg.mLastPackageUsageTimeInMills; 6061 if (then + mDexOptLRUThresholdInMills < now) { 6062 if (DEBUG_DEXOPT) { 6063 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6064 ((then == 0) ? "never" : new Date(then))); 6065 } 6066 i.remove(); 6067 skipped++; 6068 } 6069 } 6070 if (DEBUG_DEXOPT) { 6071 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6072 } 6073 } 6074 } 6075 6076 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6077 List<ResolveInfo> ris = null; 6078 try { 6079 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6080 intent, null, 0, UserHandle.USER_OWNER); 6081 } catch (RemoteException e) { 6082 } 6083 ArraySet<String> pkgNames = new ArraySet<String>(); 6084 if (ris != null) { 6085 for (ResolveInfo ri : ris) { 6086 pkgNames.add(ri.activityInfo.packageName); 6087 } 6088 } 6089 return pkgNames; 6090 } 6091 6092 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6093 if (DEBUG_DEXOPT) { 6094 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6095 } 6096 if (!isFirstBoot()) { 6097 try { 6098 ActivityManagerNative.getDefault().showBootMessage( 6099 mContext.getResources().getString(R.string.android_upgrading_apk, 6100 curr, total), true); 6101 } catch (RemoteException e) { 6102 } 6103 } 6104 PackageParser.Package p = pkg; 6105 synchronized (mInstallLock) { 6106 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6107 false /* force dex */, false /* defer */, true /* include dependencies */); 6108 } 6109 } 6110 6111 @Override 6112 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6113 return performDexOpt(packageName, instructionSet, false); 6114 } 6115 6116 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6117 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6118 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6119 if (!dexopt && !updateUsage) { 6120 // We aren't going to dexopt or update usage, so bail early. 6121 return false; 6122 } 6123 PackageParser.Package p; 6124 final String targetInstructionSet; 6125 synchronized (mPackages) { 6126 p = mPackages.get(packageName); 6127 if (p == null) { 6128 return false; 6129 } 6130 if (updateUsage) { 6131 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6132 } 6133 mPackageUsage.write(false); 6134 if (!dexopt) { 6135 // We aren't going to dexopt, so bail early. 6136 return false; 6137 } 6138 6139 targetInstructionSet = instructionSet != null ? instructionSet : 6140 getPrimaryInstructionSet(p.applicationInfo); 6141 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6142 return false; 6143 } 6144 } 6145 6146 synchronized (mInstallLock) { 6147 final String[] instructionSets = new String[] { targetInstructionSet }; 6148 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6149 false /* forceDex */, false /* defer */, true /* inclDependencies */); 6150 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6151 } 6152 } 6153 6154 public ArraySet<String> getPackagesThatNeedDexOpt() { 6155 ArraySet<String> pkgs = null; 6156 synchronized (mPackages) { 6157 for (PackageParser.Package p : mPackages.values()) { 6158 if (DEBUG_DEXOPT) { 6159 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6160 } 6161 if (!p.mDexOptPerformed.isEmpty()) { 6162 continue; 6163 } 6164 if (pkgs == null) { 6165 pkgs = new ArraySet<String>(); 6166 } 6167 pkgs.add(p.packageName); 6168 } 6169 } 6170 return pkgs; 6171 } 6172 6173 public void shutdown() { 6174 mPackageUsage.write(true); 6175 } 6176 6177 @Override 6178 public void forceDexOpt(String packageName) { 6179 enforceSystemOrRoot("forceDexOpt"); 6180 6181 PackageParser.Package pkg; 6182 synchronized (mPackages) { 6183 pkg = mPackages.get(packageName); 6184 if (pkg == null) { 6185 throw new IllegalArgumentException("Missing package: " + packageName); 6186 } 6187 } 6188 6189 synchronized (mInstallLock) { 6190 final String[] instructionSets = new String[] { 6191 getPrimaryInstructionSet(pkg.applicationInfo) }; 6192 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6193 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 6194 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6195 throw new IllegalStateException("Failed to dexopt: " + res); 6196 } 6197 } 6198 } 6199 6200 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6201 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6202 Slog.w(TAG, "Unable to update from " + oldPkg.name 6203 + " to " + newPkg.packageName 6204 + ": old package not in system partition"); 6205 return false; 6206 } else if (mPackages.get(oldPkg.name) != null) { 6207 Slog.w(TAG, "Unable to update from " + oldPkg.name 6208 + " to " + newPkg.packageName 6209 + ": old package still exists"); 6210 return false; 6211 } 6212 return true; 6213 } 6214 6215 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6216 int[] users = sUserManager.getUserIds(); 6217 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6218 if (res < 0) { 6219 return res; 6220 } 6221 for (int user : users) { 6222 if (user != 0) { 6223 res = mInstaller.createUserData(volumeUuid, packageName, 6224 UserHandle.getUid(user, uid), user, seinfo); 6225 if (res < 0) { 6226 return res; 6227 } 6228 } 6229 } 6230 return res; 6231 } 6232 6233 private int removeDataDirsLI(String volumeUuid, String packageName) { 6234 int[] users = sUserManager.getUserIds(); 6235 int res = 0; 6236 for (int user : users) { 6237 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6238 if (resInner < 0) { 6239 res = resInner; 6240 } 6241 } 6242 6243 return res; 6244 } 6245 6246 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6247 int[] users = sUserManager.getUserIds(); 6248 int res = 0; 6249 for (int user : users) { 6250 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6251 if (resInner < 0) { 6252 res = resInner; 6253 } 6254 } 6255 return res; 6256 } 6257 6258 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6259 PackageParser.Package changingLib) { 6260 if (file.path != null) { 6261 usesLibraryFiles.add(file.path); 6262 return; 6263 } 6264 PackageParser.Package p = mPackages.get(file.apk); 6265 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6266 // If we are doing this while in the middle of updating a library apk, 6267 // then we need to make sure to use that new apk for determining the 6268 // dependencies here. (We haven't yet finished committing the new apk 6269 // to the package manager state.) 6270 if (p == null || p.packageName.equals(changingLib.packageName)) { 6271 p = changingLib; 6272 } 6273 } 6274 if (p != null) { 6275 usesLibraryFiles.addAll(p.getAllCodePaths()); 6276 } 6277 } 6278 6279 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6280 PackageParser.Package changingLib) throws PackageManagerException { 6281 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6282 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6283 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6284 for (int i=0; i<N; i++) { 6285 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6286 if (file == null) { 6287 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6288 "Package " + pkg.packageName + " requires unavailable shared library " 6289 + pkg.usesLibraries.get(i) + "; failing!"); 6290 } 6291 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6292 } 6293 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6294 for (int i=0; i<N; i++) { 6295 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6296 if (file == null) { 6297 Slog.w(TAG, "Package " + pkg.packageName 6298 + " desires unavailable shared library " 6299 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6300 } else { 6301 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6302 } 6303 } 6304 N = usesLibraryFiles.size(); 6305 if (N > 0) { 6306 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6307 } else { 6308 pkg.usesLibraryFiles = null; 6309 } 6310 } 6311 } 6312 6313 private static boolean hasString(List<String> list, List<String> which) { 6314 if (list == null) { 6315 return false; 6316 } 6317 for (int i=list.size()-1; i>=0; i--) { 6318 for (int j=which.size()-1; j>=0; j--) { 6319 if (which.get(j).equals(list.get(i))) { 6320 return true; 6321 } 6322 } 6323 } 6324 return false; 6325 } 6326 6327 private void updateAllSharedLibrariesLPw() { 6328 for (PackageParser.Package pkg : mPackages.values()) { 6329 try { 6330 updateSharedLibrariesLPw(pkg, null); 6331 } catch (PackageManagerException e) { 6332 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6333 } 6334 } 6335 } 6336 6337 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6338 PackageParser.Package changingPkg) { 6339 ArrayList<PackageParser.Package> res = null; 6340 for (PackageParser.Package pkg : mPackages.values()) { 6341 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6342 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6343 if (res == null) { 6344 res = new ArrayList<PackageParser.Package>(); 6345 } 6346 res.add(pkg); 6347 try { 6348 updateSharedLibrariesLPw(pkg, changingPkg); 6349 } catch (PackageManagerException e) { 6350 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6351 } 6352 } 6353 } 6354 return res; 6355 } 6356 6357 /** 6358 * Derive the value of the {@code cpuAbiOverride} based on the provided 6359 * value and an optional stored value from the package settings. 6360 */ 6361 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6362 String cpuAbiOverride = null; 6363 6364 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6365 cpuAbiOverride = null; 6366 } else if (abiOverride != null) { 6367 cpuAbiOverride = abiOverride; 6368 } else if (settings != null) { 6369 cpuAbiOverride = settings.cpuAbiOverrideString; 6370 } 6371 6372 return cpuAbiOverride; 6373 } 6374 6375 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6376 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6377 boolean success = false; 6378 try { 6379 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6380 currentTime, user); 6381 success = true; 6382 return res; 6383 } finally { 6384 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6385 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6386 } 6387 } 6388 } 6389 6390 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6391 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6392 final File scanFile = new File(pkg.codePath); 6393 if (pkg.applicationInfo.getCodePath() == null || 6394 pkg.applicationInfo.getResourcePath() == null) { 6395 // Bail out. The resource and code paths haven't been set. 6396 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6397 "Code and resource paths haven't been set correctly"); 6398 } 6399 6400 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6401 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6402 } else { 6403 // Only allow system apps to be flagged as core apps. 6404 pkg.coreApp = false; 6405 } 6406 6407 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6408 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6409 } 6410 6411 if (mCustomResolverComponentName != null && 6412 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6413 setUpCustomResolverActivity(pkg); 6414 } 6415 6416 if (pkg.packageName.equals("android")) { 6417 synchronized (mPackages) { 6418 if (mAndroidApplication != null) { 6419 Slog.w(TAG, "*************************************************"); 6420 Slog.w(TAG, "Core android package being redefined. Skipping."); 6421 Slog.w(TAG, " file=" + scanFile); 6422 Slog.w(TAG, "*************************************************"); 6423 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6424 "Core android package being redefined. Skipping."); 6425 } 6426 6427 // Set up information for our fall-back user intent resolution activity. 6428 mPlatformPackage = pkg; 6429 pkg.mVersionCode = mSdkVersion; 6430 mAndroidApplication = pkg.applicationInfo; 6431 6432 if (!mResolverReplaced) { 6433 mResolveActivity.applicationInfo = mAndroidApplication; 6434 mResolveActivity.name = ResolverActivity.class.getName(); 6435 mResolveActivity.packageName = mAndroidApplication.packageName; 6436 mResolveActivity.processName = "system:ui"; 6437 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6438 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6439 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6440 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6441 mResolveActivity.exported = true; 6442 mResolveActivity.enabled = true; 6443 mResolveInfo.activityInfo = mResolveActivity; 6444 mResolveInfo.priority = 0; 6445 mResolveInfo.preferredOrder = 0; 6446 mResolveInfo.match = 0; 6447 mResolveComponentName = new ComponentName( 6448 mAndroidApplication.packageName, mResolveActivity.name); 6449 } 6450 } 6451 } 6452 6453 if (DEBUG_PACKAGE_SCANNING) { 6454 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6455 Log.d(TAG, "Scanning package " + pkg.packageName); 6456 } 6457 6458 if (mPackages.containsKey(pkg.packageName) 6459 || mSharedLibraries.containsKey(pkg.packageName)) { 6460 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6461 "Application package " + pkg.packageName 6462 + " already installed. Skipping duplicate."); 6463 } 6464 6465 // If we're only installing presumed-existing packages, require that the 6466 // scanned APK is both already known and at the path previously established 6467 // for it. Previously unknown packages we pick up normally, but if we have an 6468 // a priori expectation about this package's install presence, enforce it. 6469 // With a singular exception for new system packages. When an OTA contains 6470 // a new system package, we allow the codepath to change from a system location 6471 // to the user-installed location. If we don't allow this change, any newer, 6472 // user-installed version of the application will be ignored. 6473 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6474 if (mExpectingBetter.containsKey(pkg.packageName)) { 6475 logCriticalInfo(Log.WARN, 6476 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6477 } else { 6478 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6479 if (known != null) { 6480 if (DEBUG_PACKAGE_SCANNING) { 6481 Log.d(TAG, "Examining " + pkg.codePath 6482 + " and requiring known paths " + known.codePathString 6483 + " & " + known.resourcePathString); 6484 } 6485 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6486 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6487 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6488 "Application package " + pkg.packageName 6489 + " found at " + pkg.applicationInfo.getCodePath() 6490 + " but expected at " + known.codePathString + "; ignoring."); 6491 } 6492 } 6493 } 6494 } 6495 6496 // Initialize package source and resource directories 6497 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6498 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6499 6500 SharedUserSetting suid = null; 6501 PackageSetting pkgSetting = null; 6502 6503 if (!isSystemApp(pkg)) { 6504 // Only system apps can use these features. 6505 pkg.mOriginalPackages = null; 6506 pkg.mRealPackage = null; 6507 pkg.mAdoptPermissions = null; 6508 } 6509 6510 // writer 6511 synchronized (mPackages) { 6512 if (pkg.mSharedUserId != null) { 6513 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6514 if (suid == null) { 6515 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6516 "Creating application package " + pkg.packageName 6517 + " for shared user failed"); 6518 } 6519 if (DEBUG_PACKAGE_SCANNING) { 6520 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6521 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6522 + "): packages=" + suid.packages); 6523 } 6524 } 6525 6526 // Check if we are renaming from an original package name. 6527 PackageSetting origPackage = null; 6528 String realName = null; 6529 if (pkg.mOriginalPackages != null) { 6530 // This package may need to be renamed to a previously 6531 // installed name. Let's check on that... 6532 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6533 if (pkg.mOriginalPackages.contains(renamed)) { 6534 // This package had originally been installed as the 6535 // original name, and we have already taken care of 6536 // transitioning to the new one. Just update the new 6537 // one to continue using the old name. 6538 realName = pkg.mRealPackage; 6539 if (!pkg.packageName.equals(renamed)) { 6540 // Callers into this function may have already taken 6541 // care of renaming the package; only do it here if 6542 // it is not already done. 6543 pkg.setPackageName(renamed); 6544 } 6545 6546 } else { 6547 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6548 if ((origPackage = mSettings.peekPackageLPr( 6549 pkg.mOriginalPackages.get(i))) != null) { 6550 // We do have the package already installed under its 6551 // original name... should we use it? 6552 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6553 // New package is not compatible with original. 6554 origPackage = null; 6555 continue; 6556 } else if (origPackage.sharedUser != null) { 6557 // Make sure uid is compatible between packages. 6558 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6559 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6560 + " to " + pkg.packageName + ": old uid " 6561 + origPackage.sharedUser.name 6562 + " differs from " + pkg.mSharedUserId); 6563 origPackage = null; 6564 continue; 6565 } 6566 } else { 6567 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6568 + pkg.packageName + " to old name " + origPackage.name); 6569 } 6570 break; 6571 } 6572 } 6573 } 6574 } 6575 6576 if (mTransferedPackages.contains(pkg.packageName)) { 6577 Slog.w(TAG, "Package " + pkg.packageName 6578 + " was transferred to another, but its .apk remains"); 6579 } 6580 6581 // Just create the setting, don't add it yet. For already existing packages 6582 // the PkgSetting exists already and doesn't have to be created. 6583 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6584 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6585 pkg.applicationInfo.primaryCpuAbi, 6586 pkg.applicationInfo.secondaryCpuAbi, 6587 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6588 user, false); 6589 if (pkgSetting == null) { 6590 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6591 "Creating application package " + pkg.packageName + " failed"); 6592 } 6593 6594 if (pkgSetting.origPackage != null) { 6595 // If we are first transitioning from an original package, 6596 // fix up the new package's name now. We need to do this after 6597 // looking up the package under its new name, so getPackageLP 6598 // can take care of fiddling things correctly. 6599 pkg.setPackageName(origPackage.name); 6600 6601 // File a report about this. 6602 String msg = "New package " + pkgSetting.realName 6603 + " renamed to replace old package " + pkgSetting.name; 6604 reportSettingsProblem(Log.WARN, msg); 6605 6606 // Make a note of it. 6607 mTransferedPackages.add(origPackage.name); 6608 6609 // No longer need to retain this. 6610 pkgSetting.origPackage = null; 6611 } 6612 6613 if (realName != null) { 6614 // Make a note of it. 6615 mTransferedPackages.add(pkg.packageName); 6616 } 6617 6618 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6619 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6620 } 6621 6622 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6623 // Check all shared libraries and map to their actual file path. 6624 // We only do this here for apps not on a system dir, because those 6625 // are the only ones that can fail an install due to this. We 6626 // will take care of the system apps by updating all of their 6627 // library paths after the scan is done. 6628 updateSharedLibrariesLPw(pkg, null); 6629 } 6630 6631 if (mFoundPolicyFile) { 6632 SELinuxMMAC.assignSeinfoValue(pkg); 6633 } 6634 6635 pkg.applicationInfo.uid = pkgSetting.appId; 6636 pkg.mExtras = pkgSetting; 6637 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6638 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6639 // We just determined the app is signed correctly, so bring 6640 // over the latest parsed certs. 6641 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6642 } else { 6643 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6644 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6645 "Package " + pkg.packageName + " upgrade keys do not match the " 6646 + "previously installed version"); 6647 } else { 6648 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6649 String msg = "System package " + pkg.packageName 6650 + " signature changed; retaining data."; 6651 reportSettingsProblem(Log.WARN, msg); 6652 } 6653 } 6654 } else { 6655 try { 6656 verifySignaturesLP(pkgSetting, pkg); 6657 // We just determined the app is signed correctly, so bring 6658 // over the latest parsed certs. 6659 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6660 } catch (PackageManagerException e) { 6661 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6662 throw e; 6663 } 6664 // The signature has changed, but this package is in the system 6665 // image... let's recover! 6666 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6667 // However... if this package is part of a shared user, but it 6668 // doesn't match the signature of the shared user, let's fail. 6669 // What this means is that you can't change the signatures 6670 // associated with an overall shared user, which doesn't seem all 6671 // that unreasonable. 6672 if (pkgSetting.sharedUser != null) { 6673 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6674 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6675 throw new PackageManagerException( 6676 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6677 "Signature mismatch for shared user : " 6678 + pkgSetting.sharedUser); 6679 } 6680 } 6681 // File a report about this. 6682 String msg = "System package " + pkg.packageName 6683 + " signature changed; retaining data."; 6684 reportSettingsProblem(Log.WARN, msg); 6685 } 6686 } 6687 // Verify that this new package doesn't have any content providers 6688 // that conflict with existing packages. Only do this if the 6689 // package isn't already installed, since we don't want to break 6690 // things that are installed. 6691 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6692 final int N = pkg.providers.size(); 6693 int i; 6694 for (i=0; i<N; i++) { 6695 PackageParser.Provider p = pkg.providers.get(i); 6696 if (p.info.authority != null) { 6697 String names[] = p.info.authority.split(";"); 6698 for (int j = 0; j < names.length; j++) { 6699 if (mProvidersByAuthority.containsKey(names[j])) { 6700 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6701 final String otherPackageName = 6702 ((other != null && other.getComponentName() != null) ? 6703 other.getComponentName().getPackageName() : "?"); 6704 throw new PackageManagerException( 6705 INSTALL_FAILED_CONFLICTING_PROVIDER, 6706 "Can't install because provider name " + names[j] 6707 + " (in package " + pkg.applicationInfo.packageName 6708 + ") is already used by " + otherPackageName); 6709 } 6710 } 6711 } 6712 } 6713 } 6714 6715 if (pkg.mAdoptPermissions != null) { 6716 // This package wants to adopt ownership of permissions from 6717 // another package. 6718 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6719 final String origName = pkg.mAdoptPermissions.get(i); 6720 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6721 if (orig != null) { 6722 if (verifyPackageUpdateLPr(orig, pkg)) { 6723 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6724 + pkg.packageName); 6725 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6726 } 6727 } 6728 } 6729 } 6730 } 6731 6732 final String pkgName = pkg.packageName; 6733 6734 final long scanFileTime = scanFile.lastModified(); 6735 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6736 pkg.applicationInfo.processName = fixProcessName( 6737 pkg.applicationInfo.packageName, 6738 pkg.applicationInfo.processName, 6739 pkg.applicationInfo.uid); 6740 6741 File dataPath; 6742 if (mPlatformPackage == pkg) { 6743 // The system package is special. 6744 dataPath = new File(Environment.getDataDirectory(), "system"); 6745 6746 pkg.applicationInfo.dataDir = dataPath.getPath(); 6747 6748 } else { 6749 // This is a normal package, need to make its data directory. 6750 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6751 UserHandle.USER_OWNER, pkg.packageName); 6752 6753 boolean uidError = false; 6754 if (dataPath.exists()) { 6755 int currentUid = 0; 6756 try { 6757 StructStat stat = Os.stat(dataPath.getPath()); 6758 currentUid = stat.st_uid; 6759 } catch (ErrnoException e) { 6760 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6761 } 6762 6763 // If we have mismatched owners for the data path, we have a problem. 6764 if (currentUid != pkg.applicationInfo.uid) { 6765 boolean recovered = false; 6766 if (currentUid == 0) { 6767 // The directory somehow became owned by root. Wow. 6768 // This is probably because the system was stopped while 6769 // installd was in the middle of messing with its libs 6770 // directory. Ask installd to fix that. 6771 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6772 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6773 if (ret >= 0) { 6774 recovered = true; 6775 String msg = "Package " + pkg.packageName 6776 + " unexpectedly changed to uid 0; recovered to " + 6777 + pkg.applicationInfo.uid; 6778 reportSettingsProblem(Log.WARN, msg); 6779 } 6780 } 6781 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6782 || (scanFlags&SCAN_BOOTING) != 0)) { 6783 // If this is a system app, we can at least delete its 6784 // current data so the application will still work. 6785 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6786 if (ret >= 0) { 6787 // TODO: Kill the processes first 6788 // Old data gone! 6789 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6790 ? "System package " : "Third party package "; 6791 String msg = prefix + pkg.packageName 6792 + " has changed from uid: " 6793 + currentUid + " to " 6794 + pkg.applicationInfo.uid + "; old data erased"; 6795 reportSettingsProblem(Log.WARN, msg); 6796 recovered = true; 6797 6798 // And now re-install the app. 6799 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6800 pkg.applicationInfo.seinfo); 6801 if (ret == -1) { 6802 // Ack should not happen! 6803 msg = prefix + pkg.packageName 6804 + " could not have data directory re-created after delete."; 6805 reportSettingsProblem(Log.WARN, msg); 6806 throw new PackageManagerException( 6807 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6808 } 6809 } 6810 if (!recovered) { 6811 mHasSystemUidErrors = true; 6812 } 6813 } else if (!recovered) { 6814 // If we allow this install to proceed, we will be broken. 6815 // Abort, abort! 6816 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6817 "scanPackageLI"); 6818 } 6819 if (!recovered) { 6820 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6821 + pkg.applicationInfo.uid + "/fs_" 6822 + currentUid; 6823 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6824 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6825 String msg = "Package " + pkg.packageName 6826 + " has mismatched uid: " 6827 + currentUid + " on disk, " 6828 + pkg.applicationInfo.uid + " in settings"; 6829 // writer 6830 synchronized (mPackages) { 6831 mSettings.mReadMessages.append(msg); 6832 mSettings.mReadMessages.append('\n'); 6833 uidError = true; 6834 if (!pkgSetting.uidError) { 6835 reportSettingsProblem(Log.ERROR, msg); 6836 } 6837 } 6838 } 6839 } 6840 pkg.applicationInfo.dataDir = dataPath.getPath(); 6841 if (mShouldRestoreconData) { 6842 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6843 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6844 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6845 } 6846 } else { 6847 if (DEBUG_PACKAGE_SCANNING) { 6848 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6849 Log.v(TAG, "Want this data dir: " + dataPath); 6850 } 6851 //invoke installer to do the actual installation 6852 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6853 pkg.applicationInfo.seinfo); 6854 if (ret < 0) { 6855 // Error from installer 6856 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6857 "Unable to create data dirs [errorCode=" + ret + "]"); 6858 } 6859 6860 if (dataPath.exists()) { 6861 pkg.applicationInfo.dataDir = dataPath.getPath(); 6862 } else { 6863 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6864 pkg.applicationInfo.dataDir = null; 6865 } 6866 } 6867 6868 pkgSetting.uidError = uidError; 6869 } 6870 6871 final String path = scanFile.getPath(); 6872 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6873 6874 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6875 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6876 6877 // Some system apps still use directory structure for native libraries 6878 // in which case we might end up not detecting abi solely based on apk 6879 // structure. Try to detect abi based on directory structure. 6880 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6881 pkg.applicationInfo.primaryCpuAbi == null) { 6882 setBundledAppAbisAndRoots(pkg, pkgSetting); 6883 setNativeLibraryPaths(pkg); 6884 } 6885 6886 } else { 6887 if ((scanFlags & SCAN_MOVE) != 0) { 6888 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6889 // but we already have this packages package info in the PackageSetting. We just 6890 // use that and derive the native library path based on the new codepath. 6891 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6892 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6893 } 6894 6895 // Set native library paths again. For moves, the path will be updated based on the 6896 // ABIs we've determined above. For non-moves, the path will be updated based on the 6897 // ABIs we determined during compilation, but the path will depend on the final 6898 // package path (after the rename away from the stage path). 6899 setNativeLibraryPaths(pkg); 6900 } 6901 6902 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6903 final int[] userIds = sUserManager.getUserIds(); 6904 synchronized (mInstallLock) { 6905 // Make sure all user data directories are ready to roll; we're okay 6906 // if they already exist 6907 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 6908 for (int userId : userIds) { 6909 if (userId != 0) { 6910 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 6911 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 6912 pkg.applicationInfo.seinfo); 6913 } 6914 } 6915 } 6916 6917 // Create a native library symlink only if we have native libraries 6918 // and if the native libraries are 32 bit libraries. We do not provide 6919 // this symlink for 64 bit libraries. 6920 if (pkg.applicationInfo.primaryCpuAbi != null && 6921 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 6922 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 6923 for (int userId : userIds) { 6924 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 6925 nativeLibPath, userId) < 0) { 6926 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 6927 "Failed linking native library dir (user=" + userId + ")"); 6928 } 6929 } 6930 } 6931 } 6932 6933 // This is a special case for the "system" package, where the ABI is 6934 // dictated by the zygote configuration (and init.rc). We should keep track 6935 // of this ABI so that we can deal with "normal" applications that run under 6936 // the same UID correctly. 6937 if (mPlatformPackage == pkg) { 6938 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 6939 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 6940 } 6941 6942 // If there's a mismatch between the abi-override in the package setting 6943 // and the abiOverride specified for the install. Warn about this because we 6944 // would've already compiled the app without taking the package setting into 6945 // account. 6946 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 6947 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 6948 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 6949 " for package: " + pkg.packageName); 6950 } 6951 } 6952 6953 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6954 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6955 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 6956 6957 // Copy the derived override back to the parsed package, so that we can 6958 // update the package settings accordingly. 6959 pkg.cpuAbiOverride = cpuAbiOverride; 6960 6961 if (DEBUG_ABI_SELECTION) { 6962 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 6963 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 6964 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 6965 } 6966 6967 // Push the derived path down into PackageSettings so we know what to 6968 // clean up at uninstall time. 6969 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 6970 6971 if (DEBUG_ABI_SELECTION) { 6972 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 6973 " primary=" + pkg.applicationInfo.primaryCpuAbi + 6974 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 6975 } 6976 6977 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 6978 // We don't do this here during boot because we can do it all 6979 // at once after scanning all existing packages. 6980 // 6981 // We also do this *before* we perform dexopt on this package, so that 6982 // we can avoid redundant dexopts, and also to make sure we've got the 6983 // code and package path correct. 6984 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 6985 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 6986 } 6987 6988 if ((scanFlags & SCAN_NO_DEX) == 0) { 6989 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 6990 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 6991 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6992 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 6993 } 6994 } 6995 if (mFactoryTest && pkg.requestedPermissions.contains( 6996 android.Manifest.permission.FACTORY_TEST)) { 6997 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 6998 } 6999 7000 ArrayList<PackageParser.Package> clientLibPkgs = null; 7001 7002 // writer 7003 synchronized (mPackages) { 7004 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7005 // Only system apps can add new shared libraries. 7006 if (pkg.libraryNames != null) { 7007 for (int i=0; i<pkg.libraryNames.size(); i++) { 7008 String name = pkg.libraryNames.get(i); 7009 boolean allowed = false; 7010 if (pkg.isUpdatedSystemApp()) { 7011 // New library entries can only be added through the 7012 // system image. This is important to get rid of a lot 7013 // of nasty edge cases: for example if we allowed a non- 7014 // system update of the app to add a library, then uninstalling 7015 // the update would make the library go away, and assumptions 7016 // we made such as through app install filtering would now 7017 // have allowed apps on the device which aren't compatible 7018 // with it. Better to just have the restriction here, be 7019 // conservative, and create many fewer cases that can negatively 7020 // impact the user experience. 7021 final PackageSetting sysPs = mSettings 7022 .getDisabledSystemPkgLPr(pkg.packageName); 7023 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7024 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7025 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7026 allowed = true; 7027 allowed = true; 7028 break; 7029 } 7030 } 7031 } 7032 } else { 7033 allowed = true; 7034 } 7035 if (allowed) { 7036 if (!mSharedLibraries.containsKey(name)) { 7037 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7038 } else if (!name.equals(pkg.packageName)) { 7039 Slog.w(TAG, "Package " + pkg.packageName + " library " 7040 + name + " already exists; skipping"); 7041 } 7042 } else { 7043 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7044 + name + " that is not declared on system image; skipping"); 7045 } 7046 } 7047 if ((scanFlags&SCAN_BOOTING) == 0) { 7048 // If we are not booting, we need to update any applications 7049 // that are clients of our shared library. If we are booting, 7050 // this will all be done once the scan is complete. 7051 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7052 } 7053 } 7054 } 7055 } 7056 7057 // We also need to dexopt any apps that are dependent on this library. Note that 7058 // if these fail, we should abort the install since installing the library will 7059 // result in some apps being broken. 7060 if (clientLibPkgs != null) { 7061 if ((scanFlags & SCAN_NO_DEX) == 0) { 7062 for (int i = 0; i < clientLibPkgs.size(); i++) { 7063 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7064 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7065 null /* instruction sets */, forceDex, 7066 (scanFlags & SCAN_DEFER_DEX) != 0, false); 7067 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7068 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7069 "scanPackageLI failed to dexopt clientLibPkgs"); 7070 } 7071 } 7072 } 7073 } 7074 7075 // Also need to kill any apps that are dependent on the library. 7076 if (clientLibPkgs != null) { 7077 for (int i=0; i<clientLibPkgs.size(); i++) { 7078 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7079 killApplication(clientPkg.applicationInfo.packageName, 7080 clientPkg.applicationInfo.uid, "update lib"); 7081 } 7082 } 7083 7084 // Make sure we're not adding any bogus keyset info 7085 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7086 ksms.assertScannedPackageValid(pkg); 7087 7088 // writer 7089 synchronized (mPackages) { 7090 // We don't expect installation to fail beyond this point 7091 7092 // Add the new setting to mSettings 7093 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7094 // Add the new setting to mPackages 7095 mPackages.put(pkg.applicationInfo.packageName, pkg); 7096 // Make sure we don't accidentally delete its data. 7097 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7098 while (iter.hasNext()) { 7099 PackageCleanItem item = iter.next(); 7100 if (pkgName.equals(item.packageName)) { 7101 iter.remove(); 7102 } 7103 } 7104 7105 // Take care of first install / last update times. 7106 if (currentTime != 0) { 7107 if (pkgSetting.firstInstallTime == 0) { 7108 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7109 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7110 pkgSetting.lastUpdateTime = currentTime; 7111 } 7112 } else if (pkgSetting.firstInstallTime == 0) { 7113 // We need *something*. Take time time stamp of the file. 7114 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7115 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7116 if (scanFileTime != pkgSetting.timeStamp) { 7117 // A package on the system image has changed; consider this 7118 // to be an update. 7119 pkgSetting.lastUpdateTime = scanFileTime; 7120 } 7121 } 7122 7123 // Add the package's KeySets to the global KeySetManagerService 7124 ksms.addScannedPackageLPw(pkg); 7125 7126 int N = pkg.providers.size(); 7127 StringBuilder r = null; 7128 int i; 7129 for (i=0; i<N; i++) { 7130 PackageParser.Provider p = pkg.providers.get(i); 7131 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7132 p.info.processName, pkg.applicationInfo.uid); 7133 mProviders.addProvider(p); 7134 p.syncable = p.info.isSyncable; 7135 if (p.info.authority != null) { 7136 String names[] = p.info.authority.split(";"); 7137 p.info.authority = null; 7138 for (int j = 0; j < names.length; j++) { 7139 if (j == 1 && p.syncable) { 7140 // We only want the first authority for a provider to possibly be 7141 // syncable, so if we already added this provider using a different 7142 // authority clear the syncable flag. We copy the provider before 7143 // changing it because the mProviders object contains a reference 7144 // to a provider that we don't want to change. 7145 // Only do this for the second authority since the resulting provider 7146 // object can be the same for all future authorities for this provider. 7147 p = new PackageParser.Provider(p); 7148 p.syncable = false; 7149 } 7150 if (!mProvidersByAuthority.containsKey(names[j])) { 7151 mProvidersByAuthority.put(names[j], p); 7152 if (p.info.authority == null) { 7153 p.info.authority = names[j]; 7154 } else { 7155 p.info.authority = p.info.authority + ";" + names[j]; 7156 } 7157 if (DEBUG_PACKAGE_SCANNING) { 7158 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7159 Log.d(TAG, "Registered content provider: " + names[j] 7160 + ", className = " + p.info.name + ", isSyncable = " 7161 + p.info.isSyncable); 7162 } 7163 } else { 7164 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7165 Slog.w(TAG, "Skipping provider name " + names[j] + 7166 " (in package " + pkg.applicationInfo.packageName + 7167 "): name already used by " 7168 + ((other != null && other.getComponentName() != null) 7169 ? other.getComponentName().getPackageName() : "?")); 7170 } 7171 } 7172 } 7173 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7174 if (r == null) { 7175 r = new StringBuilder(256); 7176 } else { 7177 r.append(' '); 7178 } 7179 r.append(p.info.name); 7180 } 7181 } 7182 if (r != null) { 7183 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7184 } 7185 7186 N = pkg.services.size(); 7187 r = null; 7188 for (i=0; i<N; i++) { 7189 PackageParser.Service s = pkg.services.get(i); 7190 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7191 s.info.processName, pkg.applicationInfo.uid); 7192 mServices.addService(s); 7193 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7194 if (r == null) { 7195 r = new StringBuilder(256); 7196 } else { 7197 r.append(' '); 7198 } 7199 r.append(s.info.name); 7200 } 7201 } 7202 if (r != null) { 7203 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7204 } 7205 7206 N = pkg.receivers.size(); 7207 r = null; 7208 for (i=0; i<N; i++) { 7209 PackageParser.Activity a = pkg.receivers.get(i); 7210 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7211 a.info.processName, pkg.applicationInfo.uid); 7212 mReceivers.addActivity(a, "receiver"); 7213 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7214 if (r == null) { 7215 r = new StringBuilder(256); 7216 } else { 7217 r.append(' '); 7218 } 7219 r.append(a.info.name); 7220 } 7221 } 7222 if (r != null) { 7223 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7224 } 7225 7226 N = pkg.activities.size(); 7227 r = null; 7228 for (i=0; i<N; i++) { 7229 PackageParser.Activity a = pkg.activities.get(i); 7230 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7231 a.info.processName, pkg.applicationInfo.uid); 7232 mActivities.addActivity(a, "activity"); 7233 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7234 if (r == null) { 7235 r = new StringBuilder(256); 7236 } else { 7237 r.append(' '); 7238 } 7239 r.append(a.info.name); 7240 } 7241 } 7242 if (r != null) { 7243 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7244 } 7245 7246 N = pkg.permissionGroups.size(); 7247 r = null; 7248 for (i=0; i<N; i++) { 7249 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7250 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7251 if (cur == null) { 7252 mPermissionGroups.put(pg.info.name, pg); 7253 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7254 if (r == null) { 7255 r = new StringBuilder(256); 7256 } else { 7257 r.append(' '); 7258 } 7259 r.append(pg.info.name); 7260 } 7261 } else { 7262 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7263 + pg.info.packageName + " ignored: original from " 7264 + cur.info.packageName); 7265 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7266 if (r == null) { 7267 r = new StringBuilder(256); 7268 } else { 7269 r.append(' '); 7270 } 7271 r.append("DUP:"); 7272 r.append(pg.info.name); 7273 } 7274 } 7275 } 7276 if (r != null) { 7277 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7278 } 7279 7280 N = pkg.permissions.size(); 7281 r = null; 7282 for (i=0; i<N; i++) { 7283 PackageParser.Permission p = pkg.permissions.get(i); 7284 7285 // Now that permission groups have a special meaning, we ignore permission 7286 // groups for legacy apps to prevent unexpected behavior. In particular, 7287 // permissions for one app being granted to someone just becuase they happen 7288 // to be in a group defined by another app (before this had no implications). 7289 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7290 p.group = mPermissionGroups.get(p.info.group); 7291 // Warn for a permission in an unknown group. 7292 if (p.info.group != null && p.group == null) { 7293 Slog.w(TAG, "Permission " + p.info.name + " from package " 7294 + p.info.packageName + " in an unknown group " + p.info.group); 7295 } 7296 } 7297 7298 ArrayMap<String, BasePermission> permissionMap = 7299 p.tree ? mSettings.mPermissionTrees 7300 : mSettings.mPermissions; 7301 BasePermission bp = permissionMap.get(p.info.name); 7302 7303 // Allow system apps to redefine non-system permissions 7304 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7305 final boolean currentOwnerIsSystem = (bp.perm != null 7306 && isSystemApp(bp.perm.owner)); 7307 if (isSystemApp(p.owner)) { 7308 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7309 // It's a built-in permission and no owner, take ownership now 7310 bp.packageSetting = pkgSetting; 7311 bp.perm = p; 7312 bp.uid = pkg.applicationInfo.uid; 7313 bp.sourcePackage = p.info.packageName; 7314 } else if (!currentOwnerIsSystem) { 7315 String msg = "New decl " + p.owner + " of permission " 7316 + p.info.name + " is system; overriding " + bp.sourcePackage; 7317 reportSettingsProblem(Log.WARN, msg); 7318 bp = null; 7319 } 7320 } 7321 } 7322 7323 if (bp == null) { 7324 bp = new BasePermission(p.info.name, p.info.packageName, 7325 BasePermission.TYPE_NORMAL); 7326 permissionMap.put(p.info.name, bp); 7327 } 7328 7329 if (bp.perm == null) { 7330 if (bp.sourcePackage == null 7331 || bp.sourcePackage.equals(p.info.packageName)) { 7332 BasePermission tree = findPermissionTreeLP(p.info.name); 7333 if (tree == null 7334 || tree.sourcePackage.equals(p.info.packageName)) { 7335 bp.packageSetting = pkgSetting; 7336 bp.perm = p; 7337 bp.uid = pkg.applicationInfo.uid; 7338 bp.sourcePackage = p.info.packageName; 7339 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7340 if (r == null) { 7341 r = new StringBuilder(256); 7342 } else { 7343 r.append(' '); 7344 } 7345 r.append(p.info.name); 7346 } 7347 } else { 7348 Slog.w(TAG, "Permission " + p.info.name + " from package " 7349 + p.info.packageName + " ignored: base tree " 7350 + tree.name + " is from package " 7351 + tree.sourcePackage); 7352 } 7353 } else { 7354 Slog.w(TAG, "Permission " + p.info.name + " from package " 7355 + p.info.packageName + " ignored: original from " 7356 + bp.sourcePackage); 7357 } 7358 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7359 if (r == null) { 7360 r = new StringBuilder(256); 7361 } else { 7362 r.append(' '); 7363 } 7364 r.append("DUP:"); 7365 r.append(p.info.name); 7366 } 7367 if (bp.perm == p) { 7368 bp.protectionLevel = p.info.protectionLevel; 7369 } 7370 } 7371 7372 if (r != null) { 7373 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7374 } 7375 7376 N = pkg.instrumentation.size(); 7377 r = null; 7378 for (i=0; i<N; i++) { 7379 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7380 a.info.packageName = pkg.applicationInfo.packageName; 7381 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7382 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7383 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7384 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7385 a.info.dataDir = pkg.applicationInfo.dataDir; 7386 7387 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7388 // need other information about the application, like the ABI and what not ? 7389 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7390 mInstrumentation.put(a.getComponentName(), a); 7391 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7392 if (r == null) { 7393 r = new StringBuilder(256); 7394 } else { 7395 r.append(' '); 7396 } 7397 r.append(a.info.name); 7398 } 7399 } 7400 if (r != null) { 7401 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7402 } 7403 7404 if (pkg.protectedBroadcasts != null) { 7405 N = pkg.protectedBroadcasts.size(); 7406 for (i=0; i<N; i++) { 7407 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7408 } 7409 } 7410 7411 pkgSetting.setTimeStamp(scanFileTime); 7412 7413 // Create idmap files for pairs of (packages, overlay packages). 7414 // Note: "android", ie framework-res.apk, is handled by native layers. 7415 if (pkg.mOverlayTarget != null) { 7416 // This is an overlay package. 7417 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7418 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7419 mOverlays.put(pkg.mOverlayTarget, 7420 new ArrayMap<String, PackageParser.Package>()); 7421 } 7422 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7423 map.put(pkg.packageName, pkg); 7424 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7425 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7426 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7427 "scanPackageLI failed to createIdmap"); 7428 } 7429 } 7430 } else if (mOverlays.containsKey(pkg.packageName) && 7431 !pkg.packageName.equals("android")) { 7432 // This is a regular package, with one or more known overlay packages. 7433 createIdmapsForPackageLI(pkg); 7434 } 7435 } 7436 7437 return pkg; 7438 } 7439 7440 /** 7441 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7442 * is derived purely on the basis of the contents of {@code scanFile} and 7443 * {@code cpuAbiOverride}. 7444 * 7445 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7446 */ 7447 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7448 String cpuAbiOverride, boolean extractLibs) 7449 throws PackageManagerException { 7450 // TODO: We can probably be smarter about this stuff. For installed apps, 7451 // we can calculate this information at install time once and for all. For 7452 // system apps, we can probably assume that this information doesn't change 7453 // after the first boot scan. As things stand, we do lots of unnecessary work. 7454 7455 // Give ourselves some initial paths; we'll come back for another 7456 // pass once we've determined ABI below. 7457 setNativeLibraryPaths(pkg); 7458 7459 // We would never need to extract libs for forward-locked and external packages, 7460 // since the container service will do it for us. We shouldn't attempt to 7461 // extract libs from system app when it was not updated. 7462 if (pkg.isForwardLocked() || isExternal(pkg) || 7463 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7464 extractLibs = false; 7465 } 7466 7467 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7468 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7469 7470 NativeLibraryHelper.Handle handle = null; 7471 try { 7472 handle = NativeLibraryHelper.Handle.create(scanFile); 7473 // TODO(multiArch): This can be null for apps that didn't go through the 7474 // usual installation process. We can calculate it again, like we 7475 // do during install time. 7476 // 7477 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7478 // unnecessary. 7479 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7480 7481 // Null out the abis so that they can be recalculated. 7482 pkg.applicationInfo.primaryCpuAbi = null; 7483 pkg.applicationInfo.secondaryCpuAbi = null; 7484 if (isMultiArch(pkg.applicationInfo)) { 7485 // Warn if we've set an abiOverride for multi-lib packages.. 7486 // By definition, we need to copy both 32 and 64 bit libraries for 7487 // such packages. 7488 if (pkg.cpuAbiOverride != null 7489 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7490 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7491 } 7492 7493 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7494 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7495 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7496 if (extractLibs) { 7497 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7498 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7499 useIsaSpecificSubdirs); 7500 } else { 7501 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7502 } 7503 } 7504 7505 maybeThrowExceptionForMultiArchCopy( 7506 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7507 7508 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7509 if (extractLibs) { 7510 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7511 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7512 useIsaSpecificSubdirs); 7513 } else { 7514 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7515 } 7516 } 7517 7518 maybeThrowExceptionForMultiArchCopy( 7519 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7520 7521 if (abi64 >= 0) { 7522 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7523 } 7524 7525 if (abi32 >= 0) { 7526 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7527 if (abi64 >= 0) { 7528 pkg.applicationInfo.secondaryCpuAbi = abi; 7529 } else { 7530 pkg.applicationInfo.primaryCpuAbi = abi; 7531 } 7532 } 7533 } else { 7534 String[] abiList = (cpuAbiOverride != null) ? 7535 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7536 7537 // Enable gross and lame hacks for apps that are built with old 7538 // SDK tools. We must scan their APKs for renderscript bitcode and 7539 // not launch them if it's present. Don't bother checking on devices 7540 // that don't have 64 bit support. 7541 boolean needsRenderScriptOverride = false; 7542 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7543 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7544 abiList = Build.SUPPORTED_32_BIT_ABIS; 7545 needsRenderScriptOverride = true; 7546 } 7547 7548 final int copyRet; 7549 if (extractLibs) { 7550 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7551 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7552 } else { 7553 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7554 } 7555 7556 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7557 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7558 "Error unpackaging native libs for app, errorCode=" + copyRet); 7559 } 7560 7561 if (copyRet >= 0) { 7562 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7563 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7564 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7565 } else if (needsRenderScriptOverride) { 7566 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7567 } 7568 } 7569 } catch (IOException ioe) { 7570 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7571 } finally { 7572 IoUtils.closeQuietly(handle); 7573 } 7574 7575 // Now that we've calculated the ABIs and determined if it's an internal app, 7576 // we will go ahead and populate the nativeLibraryPath. 7577 setNativeLibraryPaths(pkg); 7578 } 7579 7580 /** 7581 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7582 * i.e, so that all packages can be run inside a single process if required. 7583 * 7584 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7585 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7586 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7587 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7588 * updating a package that belongs to a shared user. 7589 * 7590 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7591 * adds unnecessary complexity. 7592 */ 7593 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7594 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 7595 String requiredInstructionSet = null; 7596 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7597 requiredInstructionSet = VMRuntime.getInstructionSet( 7598 scannedPackage.applicationInfo.primaryCpuAbi); 7599 } 7600 7601 PackageSetting requirer = null; 7602 for (PackageSetting ps : packagesForUser) { 7603 // If packagesForUser contains scannedPackage, we skip it. This will happen 7604 // when scannedPackage is an update of an existing package. Without this check, 7605 // we will never be able to change the ABI of any package belonging to a shared 7606 // user, even if it's compatible with other packages. 7607 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7608 if (ps.primaryCpuAbiString == null) { 7609 continue; 7610 } 7611 7612 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7613 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7614 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7615 // this but there's not much we can do. 7616 String errorMessage = "Instruction set mismatch, " 7617 + ((requirer == null) ? "[caller]" : requirer) 7618 + " requires " + requiredInstructionSet + " whereas " + ps 7619 + " requires " + instructionSet; 7620 Slog.w(TAG, errorMessage); 7621 } 7622 7623 if (requiredInstructionSet == null) { 7624 requiredInstructionSet = instructionSet; 7625 requirer = ps; 7626 } 7627 } 7628 } 7629 7630 if (requiredInstructionSet != null) { 7631 String adjustedAbi; 7632 if (requirer != null) { 7633 // requirer != null implies that either scannedPackage was null or that scannedPackage 7634 // did not require an ABI, in which case we have to adjust scannedPackage to match 7635 // the ABI of the set (which is the same as requirer's ABI) 7636 adjustedAbi = requirer.primaryCpuAbiString; 7637 if (scannedPackage != null) { 7638 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7639 } 7640 } else { 7641 // requirer == null implies that we're updating all ABIs in the set to 7642 // match scannedPackage. 7643 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7644 } 7645 7646 for (PackageSetting ps : packagesForUser) { 7647 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7648 if (ps.primaryCpuAbiString != null) { 7649 continue; 7650 } 7651 7652 ps.primaryCpuAbiString = adjustedAbi; 7653 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7654 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7655 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7656 7657 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7658 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 7659 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7660 ps.primaryCpuAbiString = null; 7661 ps.pkg.applicationInfo.primaryCpuAbi = null; 7662 return; 7663 } else { 7664 mInstaller.rmdex(ps.codePathString, 7665 getDexCodeInstructionSet(getPreferredInstructionSet())); 7666 } 7667 } 7668 } 7669 } 7670 } 7671 } 7672 7673 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7674 synchronized (mPackages) { 7675 mResolverReplaced = true; 7676 // Set up information for custom user intent resolution activity. 7677 mResolveActivity.applicationInfo = pkg.applicationInfo; 7678 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7679 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7680 mResolveActivity.processName = pkg.applicationInfo.packageName; 7681 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7682 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7683 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7684 mResolveActivity.theme = 0; 7685 mResolveActivity.exported = true; 7686 mResolveActivity.enabled = true; 7687 mResolveInfo.activityInfo = mResolveActivity; 7688 mResolveInfo.priority = 0; 7689 mResolveInfo.preferredOrder = 0; 7690 mResolveInfo.match = 0; 7691 mResolveComponentName = mCustomResolverComponentName; 7692 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7693 mResolveComponentName); 7694 } 7695 } 7696 7697 private static String calculateBundledApkRoot(final String codePathString) { 7698 final File codePath = new File(codePathString); 7699 final File codeRoot; 7700 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7701 codeRoot = Environment.getRootDirectory(); 7702 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7703 codeRoot = Environment.getOemDirectory(); 7704 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7705 codeRoot = Environment.getVendorDirectory(); 7706 } else { 7707 // Unrecognized code path; take its top real segment as the apk root: 7708 // e.g. /something/app/blah.apk => /something 7709 try { 7710 File f = codePath.getCanonicalFile(); 7711 File parent = f.getParentFile(); // non-null because codePath is a file 7712 File tmp; 7713 while ((tmp = parent.getParentFile()) != null) { 7714 f = parent; 7715 parent = tmp; 7716 } 7717 codeRoot = f; 7718 Slog.w(TAG, "Unrecognized code path " 7719 + codePath + " - using " + codeRoot); 7720 } catch (IOException e) { 7721 // Can't canonicalize the code path -- shenanigans? 7722 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7723 return Environment.getRootDirectory().getPath(); 7724 } 7725 } 7726 return codeRoot.getPath(); 7727 } 7728 7729 /** 7730 * Derive and set the location of native libraries for the given package, 7731 * which varies depending on where and how the package was installed. 7732 */ 7733 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7734 final ApplicationInfo info = pkg.applicationInfo; 7735 final String codePath = pkg.codePath; 7736 final File codeFile = new File(codePath); 7737 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7738 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7739 7740 info.nativeLibraryRootDir = null; 7741 info.nativeLibraryRootRequiresIsa = false; 7742 info.nativeLibraryDir = null; 7743 info.secondaryNativeLibraryDir = null; 7744 7745 if (isApkFile(codeFile)) { 7746 // Monolithic install 7747 if (bundledApp) { 7748 // If "/system/lib64/apkname" exists, assume that is the per-package 7749 // native library directory to use; otherwise use "/system/lib/apkname". 7750 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7751 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7752 getPrimaryInstructionSet(info)); 7753 7754 // This is a bundled system app so choose the path based on the ABI. 7755 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7756 // is just the default path. 7757 final String apkName = deriveCodePathName(codePath); 7758 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7759 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7760 apkName).getAbsolutePath(); 7761 7762 if (info.secondaryCpuAbi != null) { 7763 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7764 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7765 secondaryLibDir, apkName).getAbsolutePath(); 7766 } 7767 } else if (asecApp) { 7768 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7769 .getAbsolutePath(); 7770 } else { 7771 final String apkName = deriveCodePathName(codePath); 7772 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7773 .getAbsolutePath(); 7774 } 7775 7776 info.nativeLibraryRootRequiresIsa = false; 7777 info.nativeLibraryDir = info.nativeLibraryRootDir; 7778 } else { 7779 // Cluster install 7780 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7781 info.nativeLibraryRootRequiresIsa = true; 7782 7783 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7784 getPrimaryInstructionSet(info)).getAbsolutePath(); 7785 7786 if (info.secondaryCpuAbi != null) { 7787 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7788 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7789 } 7790 } 7791 } 7792 7793 /** 7794 * Calculate the abis and roots for a bundled app. These can uniquely 7795 * be determined from the contents of the system partition, i.e whether 7796 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7797 * of this information, and instead assume that the system was built 7798 * sensibly. 7799 */ 7800 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7801 PackageSetting pkgSetting) { 7802 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7803 7804 // If "/system/lib64/apkname" exists, assume that is the per-package 7805 // native library directory to use; otherwise use "/system/lib/apkname". 7806 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7807 setBundledAppAbi(pkg, apkRoot, apkName); 7808 // pkgSetting might be null during rescan following uninstall of updates 7809 // to a bundled app, so accommodate that possibility. The settings in 7810 // that case will be established later from the parsed package. 7811 // 7812 // If the settings aren't null, sync them up with what we've just derived. 7813 // note that apkRoot isn't stored in the package settings. 7814 if (pkgSetting != null) { 7815 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7816 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7817 } 7818 } 7819 7820 /** 7821 * Deduces the ABI of a bundled app and sets the relevant fields on the 7822 * parsed pkg object. 7823 * 7824 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7825 * under which system libraries are installed. 7826 * @param apkName the name of the installed package. 7827 */ 7828 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7829 final File codeFile = new File(pkg.codePath); 7830 7831 final boolean has64BitLibs; 7832 final boolean has32BitLibs; 7833 if (isApkFile(codeFile)) { 7834 // Monolithic install 7835 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7836 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7837 } else { 7838 // Cluster install 7839 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7840 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7841 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7842 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7843 has64BitLibs = (new File(rootDir, isa)).exists(); 7844 } else { 7845 has64BitLibs = false; 7846 } 7847 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7848 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7849 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7850 has32BitLibs = (new File(rootDir, isa)).exists(); 7851 } else { 7852 has32BitLibs = false; 7853 } 7854 } 7855 7856 if (has64BitLibs && !has32BitLibs) { 7857 // The package has 64 bit libs, but not 32 bit libs. Its primary 7858 // ABI should be 64 bit. We can safely assume here that the bundled 7859 // native libraries correspond to the most preferred ABI in the list. 7860 7861 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7862 pkg.applicationInfo.secondaryCpuAbi = null; 7863 } else if (has32BitLibs && !has64BitLibs) { 7864 // The package has 32 bit libs but not 64 bit libs. Its primary 7865 // ABI should be 32 bit. 7866 7867 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7868 pkg.applicationInfo.secondaryCpuAbi = null; 7869 } else if (has32BitLibs && has64BitLibs) { 7870 // The application has both 64 and 32 bit bundled libraries. We check 7871 // here that the app declares multiArch support, and warn if it doesn't. 7872 // 7873 // We will be lenient here and record both ABIs. The primary will be the 7874 // ABI that's higher on the list, i.e, a device that's configured to prefer 7875 // 64 bit apps will see a 64 bit primary ABI, 7876 7877 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7878 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7879 } 7880 7881 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7882 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7883 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7884 } else { 7885 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7886 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7887 } 7888 } else { 7889 pkg.applicationInfo.primaryCpuAbi = null; 7890 pkg.applicationInfo.secondaryCpuAbi = null; 7891 } 7892 } 7893 7894 private void killApplication(String pkgName, int appId, String reason) { 7895 // Request the ActivityManager to kill the process(only for existing packages) 7896 // so that we do not end up in a confused state while the user is still using the older 7897 // version of the application while the new one gets installed. 7898 IActivityManager am = ActivityManagerNative.getDefault(); 7899 if (am != null) { 7900 try { 7901 am.killApplicationWithAppId(pkgName, appId, reason); 7902 } catch (RemoteException e) { 7903 } 7904 } 7905 } 7906 7907 void removePackageLI(PackageSetting ps, boolean chatty) { 7908 if (DEBUG_INSTALL) { 7909 if (chatty) 7910 Log.d(TAG, "Removing package " + ps.name); 7911 } 7912 7913 // writer 7914 synchronized (mPackages) { 7915 mPackages.remove(ps.name); 7916 final PackageParser.Package pkg = ps.pkg; 7917 if (pkg != null) { 7918 cleanPackageDataStructuresLILPw(pkg, chatty); 7919 } 7920 } 7921 } 7922 7923 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 7924 if (DEBUG_INSTALL) { 7925 if (chatty) 7926 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 7927 } 7928 7929 // writer 7930 synchronized (mPackages) { 7931 mPackages.remove(pkg.applicationInfo.packageName); 7932 cleanPackageDataStructuresLILPw(pkg, chatty); 7933 } 7934 } 7935 7936 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 7937 int N = pkg.providers.size(); 7938 StringBuilder r = null; 7939 int i; 7940 for (i=0; i<N; i++) { 7941 PackageParser.Provider p = pkg.providers.get(i); 7942 mProviders.removeProvider(p); 7943 if (p.info.authority == null) { 7944 7945 /* There was another ContentProvider with this authority when 7946 * this app was installed so this authority is null, 7947 * Ignore it as we don't have to unregister the provider. 7948 */ 7949 continue; 7950 } 7951 String names[] = p.info.authority.split(";"); 7952 for (int j = 0; j < names.length; j++) { 7953 if (mProvidersByAuthority.get(names[j]) == p) { 7954 mProvidersByAuthority.remove(names[j]); 7955 if (DEBUG_REMOVE) { 7956 if (chatty) 7957 Log.d(TAG, "Unregistered content provider: " + names[j] 7958 + ", className = " + p.info.name + ", isSyncable = " 7959 + p.info.isSyncable); 7960 } 7961 } 7962 } 7963 if (DEBUG_REMOVE && chatty) { 7964 if (r == null) { 7965 r = new StringBuilder(256); 7966 } else { 7967 r.append(' '); 7968 } 7969 r.append(p.info.name); 7970 } 7971 } 7972 if (r != null) { 7973 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 7974 } 7975 7976 N = pkg.services.size(); 7977 r = null; 7978 for (i=0; i<N; i++) { 7979 PackageParser.Service s = pkg.services.get(i); 7980 mServices.removeService(s); 7981 if (chatty) { 7982 if (r == null) { 7983 r = new StringBuilder(256); 7984 } else { 7985 r.append(' '); 7986 } 7987 r.append(s.info.name); 7988 } 7989 } 7990 if (r != null) { 7991 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 7992 } 7993 7994 N = pkg.receivers.size(); 7995 r = null; 7996 for (i=0; i<N; i++) { 7997 PackageParser.Activity a = pkg.receivers.get(i); 7998 mReceivers.removeActivity(a, "receiver"); 7999 if (DEBUG_REMOVE && chatty) { 8000 if (r == null) { 8001 r = new StringBuilder(256); 8002 } else { 8003 r.append(' '); 8004 } 8005 r.append(a.info.name); 8006 } 8007 } 8008 if (r != null) { 8009 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8010 } 8011 8012 N = pkg.activities.size(); 8013 r = null; 8014 for (i=0; i<N; i++) { 8015 PackageParser.Activity a = pkg.activities.get(i); 8016 mActivities.removeActivity(a, "activity"); 8017 if (DEBUG_REMOVE && chatty) { 8018 if (r == null) { 8019 r = new StringBuilder(256); 8020 } else { 8021 r.append(' '); 8022 } 8023 r.append(a.info.name); 8024 } 8025 } 8026 if (r != null) { 8027 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8028 } 8029 8030 N = pkg.permissions.size(); 8031 r = null; 8032 for (i=0; i<N; i++) { 8033 PackageParser.Permission p = pkg.permissions.get(i); 8034 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8035 if (bp == null) { 8036 bp = mSettings.mPermissionTrees.get(p.info.name); 8037 } 8038 if (bp != null && bp.perm == p) { 8039 bp.perm = null; 8040 if (DEBUG_REMOVE && chatty) { 8041 if (r == null) { 8042 r = new StringBuilder(256); 8043 } else { 8044 r.append(' '); 8045 } 8046 r.append(p.info.name); 8047 } 8048 } 8049 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8050 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8051 if (appOpPerms != null) { 8052 appOpPerms.remove(pkg.packageName); 8053 } 8054 } 8055 } 8056 if (r != null) { 8057 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8058 } 8059 8060 N = pkg.requestedPermissions.size(); 8061 r = null; 8062 for (i=0; i<N; i++) { 8063 String perm = pkg.requestedPermissions.get(i); 8064 BasePermission bp = mSettings.mPermissions.get(perm); 8065 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8066 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8067 if (appOpPerms != null) { 8068 appOpPerms.remove(pkg.packageName); 8069 if (appOpPerms.isEmpty()) { 8070 mAppOpPermissionPackages.remove(perm); 8071 } 8072 } 8073 } 8074 } 8075 if (r != null) { 8076 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8077 } 8078 8079 N = pkg.instrumentation.size(); 8080 r = null; 8081 for (i=0; i<N; i++) { 8082 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8083 mInstrumentation.remove(a.getComponentName()); 8084 if (DEBUG_REMOVE && chatty) { 8085 if (r == null) { 8086 r = new StringBuilder(256); 8087 } else { 8088 r.append(' '); 8089 } 8090 r.append(a.info.name); 8091 } 8092 } 8093 if (r != null) { 8094 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8095 } 8096 8097 r = null; 8098 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8099 // Only system apps can hold shared libraries. 8100 if (pkg.libraryNames != null) { 8101 for (i=0; i<pkg.libraryNames.size(); i++) { 8102 String name = pkg.libraryNames.get(i); 8103 SharedLibraryEntry cur = mSharedLibraries.get(name); 8104 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8105 mSharedLibraries.remove(name); 8106 if (DEBUG_REMOVE && chatty) { 8107 if (r == null) { 8108 r = new StringBuilder(256); 8109 } else { 8110 r.append(' '); 8111 } 8112 r.append(name); 8113 } 8114 } 8115 } 8116 } 8117 } 8118 if (r != null) { 8119 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8120 } 8121 } 8122 8123 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8124 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8125 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8126 return true; 8127 } 8128 } 8129 return false; 8130 } 8131 8132 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8133 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8134 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8135 8136 private void updatePermissionsLPw(String changingPkg, 8137 PackageParser.Package pkgInfo, int flags) { 8138 // Make sure there are no dangling permission trees. 8139 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8140 while (it.hasNext()) { 8141 final BasePermission bp = it.next(); 8142 if (bp.packageSetting == null) { 8143 // We may not yet have parsed the package, so just see if 8144 // we still know about its settings. 8145 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8146 } 8147 if (bp.packageSetting == null) { 8148 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8149 + " from package " + bp.sourcePackage); 8150 it.remove(); 8151 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8152 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8153 Slog.i(TAG, "Removing old permission tree: " + bp.name 8154 + " from package " + bp.sourcePackage); 8155 flags |= UPDATE_PERMISSIONS_ALL; 8156 it.remove(); 8157 } 8158 } 8159 } 8160 8161 // Make sure all dynamic permissions have been assigned to a package, 8162 // and make sure there are no dangling permissions. 8163 it = mSettings.mPermissions.values().iterator(); 8164 while (it.hasNext()) { 8165 final BasePermission bp = it.next(); 8166 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8167 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8168 + bp.name + " pkg=" + bp.sourcePackage 8169 + " info=" + bp.pendingInfo); 8170 if (bp.packageSetting == null && bp.pendingInfo != null) { 8171 final BasePermission tree = findPermissionTreeLP(bp.name); 8172 if (tree != null && tree.perm != null) { 8173 bp.packageSetting = tree.packageSetting; 8174 bp.perm = new PackageParser.Permission(tree.perm.owner, 8175 new PermissionInfo(bp.pendingInfo)); 8176 bp.perm.info.packageName = tree.perm.info.packageName; 8177 bp.perm.info.name = bp.name; 8178 bp.uid = tree.uid; 8179 } 8180 } 8181 } 8182 if (bp.packageSetting == null) { 8183 // We may not yet have parsed the package, so just see if 8184 // we still know about its settings. 8185 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8186 } 8187 if (bp.packageSetting == null) { 8188 Slog.w(TAG, "Removing dangling permission: " + bp.name 8189 + " from package " + bp.sourcePackage); 8190 it.remove(); 8191 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8192 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8193 Slog.i(TAG, "Removing old permission: " + bp.name 8194 + " from package " + bp.sourcePackage); 8195 flags |= UPDATE_PERMISSIONS_ALL; 8196 it.remove(); 8197 } 8198 } 8199 } 8200 8201 // Now update the permissions for all packages, in particular 8202 // replace the granted permissions of the system packages. 8203 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8204 for (PackageParser.Package pkg : mPackages.values()) { 8205 if (pkg != pkgInfo) { 8206 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8207 changingPkg); 8208 } 8209 } 8210 } 8211 8212 if (pkgInfo != null) { 8213 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8214 } 8215 } 8216 8217 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8218 String packageOfInterest) { 8219 // IMPORTANT: There are two types of permissions: install and runtime. 8220 // Install time permissions are granted when the app is installed to 8221 // all device users and users added in the future. Runtime permissions 8222 // are granted at runtime explicitly to specific users. Normal and signature 8223 // protected permissions are install time permissions. Dangerous permissions 8224 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8225 // otherwise they are runtime permissions. This function does not manage 8226 // runtime permissions except for the case an app targeting Lollipop MR1 8227 // being upgraded to target a newer SDK, in which case dangerous permissions 8228 // are transformed from install time to runtime ones. 8229 8230 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8231 if (ps == null) { 8232 return; 8233 } 8234 8235 PermissionsState permissionsState = ps.getPermissionsState(); 8236 PermissionsState origPermissions = permissionsState; 8237 8238 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8239 8240 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8241 8242 boolean changedInstallPermission = false; 8243 8244 if (replace) { 8245 ps.installPermissionsFixed = false; 8246 if (!ps.isSharedUser()) { 8247 origPermissions = new PermissionsState(permissionsState); 8248 permissionsState.reset(); 8249 } 8250 } 8251 8252 permissionsState.setGlobalGids(mGlobalGids); 8253 8254 final int N = pkg.requestedPermissions.size(); 8255 for (int i=0; i<N; i++) { 8256 final String name = pkg.requestedPermissions.get(i); 8257 final BasePermission bp = mSettings.mPermissions.get(name); 8258 8259 if (DEBUG_INSTALL) { 8260 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8261 } 8262 8263 if (bp == null || bp.packageSetting == null) { 8264 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8265 Slog.w(TAG, "Unknown permission " + name 8266 + " in package " + pkg.packageName); 8267 } 8268 continue; 8269 } 8270 8271 final String perm = bp.name; 8272 boolean allowedSig = false; 8273 int grant = GRANT_DENIED; 8274 8275 // Keep track of app op permissions. 8276 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8277 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8278 if (pkgs == null) { 8279 pkgs = new ArraySet<>(); 8280 mAppOpPermissionPackages.put(bp.name, pkgs); 8281 } 8282 pkgs.add(pkg.packageName); 8283 } 8284 8285 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8286 switch (level) { 8287 case PermissionInfo.PROTECTION_NORMAL: { 8288 // For all apps normal permissions are install time ones. 8289 grant = GRANT_INSTALL; 8290 } break; 8291 8292 case PermissionInfo.PROTECTION_DANGEROUS: { 8293 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8294 // For legacy apps dangerous permissions are install time ones. 8295 grant = GRANT_INSTALL_LEGACY; 8296 } else if (origPermissions.hasInstallPermission(bp.name)) { 8297 // For legacy apps that became modern, install becomes runtime. 8298 grant = GRANT_UPGRADE; 8299 } else { 8300 // For modern apps keep runtime permissions unchanged. 8301 grant = GRANT_RUNTIME; 8302 } 8303 } break; 8304 8305 case PermissionInfo.PROTECTION_SIGNATURE: { 8306 // For all apps signature permissions are install time ones. 8307 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8308 if (allowedSig) { 8309 grant = GRANT_INSTALL; 8310 } 8311 } break; 8312 } 8313 8314 if (DEBUG_INSTALL) { 8315 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8316 } 8317 8318 if (grant != GRANT_DENIED) { 8319 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8320 // If this is an existing, non-system package, then 8321 // we can't add any new permissions to it. 8322 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8323 // Except... if this is a permission that was added 8324 // to the platform (note: need to only do this when 8325 // updating the platform). 8326 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8327 grant = GRANT_DENIED; 8328 } 8329 } 8330 } 8331 8332 switch (grant) { 8333 case GRANT_INSTALL: { 8334 // Revoke this as runtime permission to handle the case of 8335 // a runtime permission being downgraded to an install one. 8336 for (int userId : UserManagerService.getInstance().getUserIds()) { 8337 if (origPermissions.getRuntimePermissionState( 8338 bp.name, userId) != null) { 8339 // Revoke the runtime permission and clear the flags. 8340 origPermissions.revokeRuntimePermission(bp, userId); 8341 origPermissions.updatePermissionFlags(bp, userId, 8342 PackageManager.MASK_PERMISSION_FLAGS, 0); 8343 // If we revoked a permission permission, we have to write. 8344 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8345 changedRuntimePermissionUserIds, userId); 8346 } 8347 } 8348 // Grant an install permission. 8349 if (permissionsState.grantInstallPermission(bp) != 8350 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8351 changedInstallPermission = true; 8352 } 8353 } break; 8354 8355 case GRANT_INSTALL_LEGACY: { 8356 // Grant an install permission. 8357 if (permissionsState.grantInstallPermission(bp) != 8358 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8359 changedInstallPermission = true; 8360 } 8361 } break; 8362 8363 case GRANT_RUNTIME: { 8364 // Grant previously granted runtime permissions. 8365 for (int userId : UserManagerService.getInstance().getUserIds()) { 8366 PermissionState permissionState = origPermissions 8367 .getRuntimePermissionState(bp.name, userId); 8368 final int flags = permissionState != null 8369 ? permissionState.getFlags() : 0; 8370 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8371 if (permissionsState.grantRuntimePermission(bp, userId) == 8372 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8373 // If we cannot put the permission as it was, we have to write. 8374 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8375 changedRuntimePermissionUserIds, userId); 8376 } 8377 } 8378 // Propagate the permission flags. 8379 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8380 } 8381 } break; 8382 8383 case GRANT_UPGRADE: { 8384 // Grant runtime permissions for a previously held install permission. 8385 PermissionState permissionState = origPermissions 8386 .getInstallPermissionState(bp.name); 8387 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8388 8389 if (origPermissions.revokeInstallPermission(bp) 8390 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8391 // We will be transferring the permission flags, so clear them. 8392 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8393 PackageManager.MASK_PERMISSION_FLAGS, 0); 8394 changedInstallPermission = true; 8395 } 8396 8397 // If the permission is not to be promoted to runtime we ignore it and 8398 // also its other flags as they are not applicable to install permissions. 8399 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8400 for (int userId : currentUserIds) { 8401 if (permissionsState.grantRuntimePermission(bp, userId) != 8402 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8403 // Transfer the permission flags. 8404 permissionsState.updatePermissionFlags(bp, userId, 8405 flags, flags); 8406 // If we granted the permission, we have to write. 8407 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8408 changedRuntimePermissionUserIds, userId); 8409 } 8410 } 8411 } 8412 } break; 8413 8414 default: { 8415 if (packageOfInterest == null 8416 || packageOfInterest.equals(pkg.packageName)) { 8417 Slog.w(TAG, "Not granting permission " + perm 8418 + " to package " + pkg.packageName 8419 + " because it was previously installed without"); 8420 } 8421 } break; 8422 } 8423 } else { 8424 if (permissionsState.revokeInstallPermission(bp) != 8425 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8426 // Also drop the permission flags. 8427 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8428 PackageManager.MASK_PERMISSION_FLAGS, 0); 8429 changedInstallPermission = true; 8430 Slog.i(TAG, "Un-granting permission " + perm 8431 + " from package " + pkg.packageName 8432 + " (protectionLevel=" + bp.protectionLevel 8433 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8434 + ")"); 8435 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8436 // Don't print warning for app op permissions, since it is fine for them 8437 // not to be granted, there is a UI for the user to decide. 8438 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8439 Slog.w(TAG, "Not granting permission " + perm 8440 + " to package " + pkg.packageName 8441 + " (protectionLevel=" + bp.protectionLevel 8442 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8443 + ")"); 8444 } 8445 } 8446 } 8447 } 8448 8449 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8450 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8451 // This is the first that we have heard about this package, so the 8452 // permissions we have now selected are fixed until explicitly 8453 // changed. 8454 ps.installPermissionsFixed = true; 8455 } 8456 8457 // Persist the runtime permissions state for users with changes. 8458 for (int userId : changedRuntimePermissionUserIds) { 8459 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8460 } 8461 } 8462 8463 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8464 boolean allowed = false; 8465 final int NP = PackageParser.NEW_PERMISSIONS.length; 8466 for (int ip=0; ip<NP; ip++) { 8467 final PackageParser.NewPermissionInfo npi 8468 = PackageParser.NEW_PERMISSIONS[ip]; 8469 if (npi.name.equals(perm) 8470 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8471 allowed = true; 8472 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8473 + pkg.packageName); 8474 break; 8475 } 8476 } 8477 return allowed; 8478 } 8479 8480 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8481 BasePermission bp, PermissionsState origPermissions) { 8482 boolean allowed; 8483 allowed = (compareSignatures( 8484 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8485 == PackageManager.SIGNATURE_MATCH) 8486 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8487 == PackageManager.SIGNATURE_MATCH); 8488 if (!allowed && (bp.protectionLevel 8489 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8490 if (isSystemApp(pkg)) { 8491 // For updated system applications, a system permission 8492 // is granted only if it had been defined by the original application. 8493 if (pkg.isUpdatedSystemApp()) { 8494 final PackageSetting sysPs = mSettings 8495 .getDisabledSystemPkgLPr(pkg.packageName); 8496 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8497 // If the original was granted this permission, we take 8498 // that grant decision as read and propagate it to the 8499 // update. 8500 if (sysPs.isPrivileged()) { 8501 allowed = true; 8502 } 8503 } else { 8504 // The system apk may have been updated with an older 8505 // version of the one on the data partition, but which 8506 // granted a new system permission that it didn't have 8507 // before. In this case we do want to allow the app to 8508 // now get the new permission if the ancestral apk is 8509 // privileged to get it. 8510 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8511 for (int j=0; 8512 j<sysPs.pkg.requestedPermissions.size(); j++) { 8513 if (perm.equals( 8514 sysPs.pkg.requestedPermissions.get(j))) { 8515 allowed = true; 8516 break; 8517 } 8518 } 8519 } 8520 } 8521 } else { 8522 allowed = isPrivilegedApp(pkg); 8523 } 8524 } 8525 } 8526 if (!allowed) { 8527 if (!allowed && (bp.protectionLevel 8528 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8529 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.MNC) { 8530 // If this was a previously normal/dangerous permission that got moved 8531 // to a system permission as part of the runtime permission redesign, then 8532 // we still want to blindly grant it to old apps. 8533 allowed = true; 8534 } 8535 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8536 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8537 // If this permission is to be granted to the system installer and 8538 // this app is an installer, then it gets the permission. 8539 allowed = true; 8540 } 8541 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8542 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8543 // If this permission is to be granted to the system verifier and 8544 // this app is a verifier, then it gets the permission. 8545 allowed = true; 8546 } 8547 if (!allowed && (bp.protectionLevel 8548 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8549 && isSystemApp(pkg)) { 8550 // Any pre-installed system app is allowed to get this permission. 8551 allowed = true; 8552 } 8553 if (!allowed && (bp.protectionLevel 8554 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8555 // For development permissions, a development permission 8556 // is granted only if it was already granted. 8557 allowed = origPermissions.hasInstallPermission(perm); 8558 } 8559 } 8560 return allowed; 8561 } 8562 8563 final class ActivityIntentResolver 8564 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8565 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8566 boolean defaultOnly, int userId) { 8567 if (!sUserManager.exists(userId)) return null; 8568 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8569 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8570 } 8571 8572 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8573 int userId) { 8574 if (!sUserManager.exists(userId)) return null; 8575 mFlags = flags; 8576 return super.queryIntent(intent, resolvedType, 8577 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8578 } 8579 8580 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8581 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8582 if (!sUserManager.exists(userId)) return null; 8583 if (packageActivities == null) { 8584 return null; 8585 } 8586 mFlags = flags; 8587 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8588 final int N = packageActivities.size(); 8589 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8590 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8591 8592 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8593 for (int i = 0; i < N; ++i) { 8594 intentFilters = packageActivities.get(i).intents; 8595 if (intentFilters != null && intentFilters.size() > 0) { 8596 PackageParser.ActivityIntentInfo[] array = 8597 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8598 intentFilters.toArray(array); 8599 listCut.add(array); 8600 } 8601 } 8602 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8603 } 8604 8605 public final void addActivity(PackageParser.Activity a, String type) { 8606 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8607 mActivities.put(a.getComponentName(), a); 8608 if (DEBUG_SHOW_INFO) 8609 Log.v( 8610 TAG, " " + type + " " + 8611 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8612 if (DEBUG_SHOW_INFO) 8613 Log.v(TAG, " Class=" + a.info.name); 8614 final int NI = a.intents.size(); 8615 for (int j=0; j<NI; j++) { 8616 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8617 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8618 intent.setPriority(0); 8619 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8620 + a.className + " with priority > 0, forcing to 0"); 8621 } 8622 if (DEBUG_SHOW_INFO) { 8623 Log.v(TAG, " IntentFilter:"); 8624 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8625 } 8626 if (!intent.debugCheck()) { 8627 Log.w(TAG, "==> For Activity " + a.info.name); 8628 } 8629 addFilter(intent); 8630 } 8631 } 8632 8633 public final void removeActivity(PackageParser.Activity a, String type) { 8634 mActivities.remove(a.getComponentName()); 8635 if (DEBUG_SHOW_INFO) { 8636 Log.v(TAG, " " + type + " " 8637 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8638 : a.info.name) + ":"); 8639 Log.v(TAG, " Class=" + a.info.name); 8640 } 8641 final int NI = a.intents.size(); 8642 for (int j=0; j<NI; j++) { 8643 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8644 if (DEBUG_SHOW_INFO) { 8645 Log.v(TAG, " IntentFilter:"); 8646 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8647 } 8648 removeFilter(intent); 8649 } 8650 } 8651 8652 @Override 8653 protected boolean allowFilterResult( 8654 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8655 ActivityInfo filterAi = filter.activity.info; 8656 for (int i=dest.size()-1; i>=0; i--) { 8657 ActivityInfo destAi = dest.get(i).activityInfo; 8658 if (destAi.name == filterAi.name 8659 && destAi.packageName == filterAi.packageName) { 8660 return false; 8661 } 8662 } 8663 return true; 8664 } 8665 8666 @Override 8667 protected ActivityIntentInfo[] newArray(int size) { 8668 return new ActivityIntentInfo[size]; 8669 } 8670 8671 @Override 8672 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8673 if (!sUserManager.exists(userId)) return true; 8674 PackageParser.Package p = filter.activity.owner; 8675 if (p != null) { 8676 PackageSetting ps = (PackageSetting)p.mExtras; 8677 if (ps != null) { 8678 // System apps are never considered stopped for purposes of 8679 // filtering, because there may be no way for the user to 8680 // actually re-launch them. 8681 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8682 && ps.getStopped(userId); 8683 } 8684 } 8685 return false; 8686 } 8687 8688 @Override 8689 protected boolean isPackageForFilter(String packageName, 8690 PackageParser.ActivityIntentInfo info) { 8691 return packageName.equals(info.activity.owner.packageName); 8692 } 8693 8694 @Override 8695 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8696 int match, int userId) { 8697 if (!sUserManager.exists(userId)) return null; 8698 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8699 return null; 8700 } 8701 final PackageParser.Activity activity = info.activity; 8702 if (mSafeMode && (activity.info.applicationInfo.flags 8703 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8704 return null; 8705 } 8706 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8707 if (ps == null) { 8708 return null; 8709 } 8710 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8711 ps.readUserState(userId), userId); 8712 if (ai == null) { 8713 return null; 8714 } 8715 final ResolveInfo res = new ResolveInfo(); 8716 res.activityInfo = ai; 8717 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8718 res.filter = info; 8719 } 8720 if (info != null) { 8721 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8722 } 8723 res.priority = info.getPriority(); 8724 res.preferredOrder = activity.owner.mPreferredOrder; 8725 //System.out.println("Result: " + res.activityInfo.className + 8726 // " = " + res.priority); 8727 res.match = match; 8728 res.isDefault = info.hasDefault; 8729 res.labelRes = info.labelRes; 8730 res.nonLocalizedLabel = info.nonLocalizedLabel; 8731 if (userNeedsBadging(userId)) { 8732 res.noResourceId = true; 8733 } else { 8734 res.icon = info.icon; 8735 } 8736 res.iconResourceId = info.icon; 8737 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8738 return res; 8739 } 8740 8741 @Override 8742 protected void sortResults(List<ResolveInfo> results) { 8743 Collections.sort(results, mResolvePrioritySorter); 8744 } 8745 8746 @Override 8747 protected void dumpFilter(PrintWriter out, String prefix, 8748 PackageParser.ActivityIntentInfo filter) { 8749 out.print(prefix); out.print( 8750 Integer.toHexString(System.identityHashCode(filter.activity))); 8751 out.print(' '); 8752 filter.activity.printComponentShortName(out); 8753 out.print(" filter "); 8754 out.println(Integer.toHexString(System.identityHashCode(filter))); 8755 } 8756 8757 @Override 8758 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8759 return filter.activity; 8760 } 8761 8762 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8763 PackageParser.Activity activity = (PackageParser.Activity)label; 8764 out.print(prefix); out.print( 8765 Integer.toHexString(System.identityHashCode(activity))); 8766 out.print(' '); 8767 activity.printComponentShortName(out); 8768 if (count > 1) { 8769 out.print(" ("); out.print(count); out.print(" filters)"); 8770 } 8771 out.println(); 8772 } 8773 8774// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8775// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8776// final List<ResolveInfo> retList = Lists.newArrayList(); 8777// while (i.hasNext()) { 8778// final ResolveInfo resolveInfo = i.next(); 8779// if (isEnabledLP(resolveInfo.activityInfo)) { 8780// retList.add(resolveInfo); 8781// } 8782// } 8783// return retList; 8784// } 8785 8786 // Keys are String (activity class name), values are Activity. 8787 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8788 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8789 private int mFlags; 8790 } 8791 8792 private final class ServiceIntentResolver 8793 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8794 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8795 boolean defaultOnly, int userId) { 8796 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8797 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8798 } 8799 8800 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8801 int userId) { 8802 if (!sUserManager.exists(userId)) return null; 8803 mFlags = flags; 8804 return super.queryIntent(intent, resolvedType, 8805 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8806 } 8807 8808 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8809 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8810 if (!sUserManager.exists(userId)) return null; 8811 if (packageServices == null) { 8812 return null; 8813 } 8814 mFlags = flags; 8815 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8816 final int N = packageServices.size(); 8817 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8818 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8819 8820 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8821 for (int i = 0; i < N; ++i) { 8822 intentFilters = packageServices.get(i).intents; 8823 if (intentFilters != null && intentFilters.size() > 0) { 8824 PackageParser.ServiceIntentInfo[] array = 8825 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8826 intentFilters.toArray(array); 8827 listCut.add(array); 8828 } 8829 } 8830 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8831 } 8832 8833 public final void addService(PackageParser.Service s) { 8834 mServices.put(s.getComponentName(), s); 8835 if (DEBUG_SHOW_INFO) { 8836 Log.v(TAG, " " 8837 + (s.info.nonLocalizedLabel != null 8838 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8839 Log.v(TAG, " Class=" + s.info.name); 8840 } 8841 final int NI = s.intents.size(); 8842 int j; 8843 for (j=0; j<NI; j++) { 8844 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8845 if (DEBUG_SHOW_INFO) { 8846 Log.v(TAG, " IntentFilter:"); 8847 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8848 } 8849 if (!intent.debugCheck()) { 8850 Log.w(TAG, "==> For Service " + s.info.name); 8851 } 8852 addFilter(intent); 8853 } 8854 } 8855 8856 public final void removeService(PackageParser.Service s) { 8857 mServices.remove(s.getComponentName()); 8858 if (DEBUG_SHOW_INFO) { 8859 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8860 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8861 Log.v(TAG, " Class=" + s.info.name); 8862 } 8863 final int NI = s.intents.size(); 8864 int j; 8865 for (j=0; j<NI; j++) { 8866 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8867 if (DEBUG_SHOW_INFO) { 8868 Log.v(TAG, " IntentFilter:"); 8869 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8870 } 8871 removeFilter(intent); 8872 } 8873 } 8874 8875 @Override 8876 protected boolean allowFilterResult( 8877 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 8878 ServiceInfo filterSi = filter.service.info; 8879 for (int i=dest.size()-1; i>=0; i--) { 8880 ServiceInfo destAi = dest.get(i).serviceInfo; 8881 if (destAi.name == filterSi.name 8882 && destAi.packageName == filterSi.packageName) { 8883 return false; 8884 } 8885 } 8886 return true; 8887 } 8888 8889 @Override 8890 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 8891 return new PackageParser.ServiceIntentInfo[size]; 8892 } 8893 8894 @Override 8895 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 8896 if (!sUserManager.exists(userId)) return true; 8897 PackageParser.Package p = filter.service.owner; 8898 if (p != null) { 8899 PackageSetting ps = (PackageSetting)p.mExtras; 8900 if (ps != null) { 8901 // System apps are never considered stopped for purposes of 8902 // filtering, because there may be no way for the user to 8903 // actually re-launch them. 8904 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 8905 && ps.getStopped(userId); 8906 } 8907 } 8908 return false; 8909 } 8910 8911 @Override 8912 protected boolean isPackageForFilter(String packageName, 8913 PackageParser.ServiceIntentInfo info) { 8914 return packageName.equals(info.service.owner.packageName); 8915 } 8916 8917 @Override 8918 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 8919 int match, int userId) { 8920 if (!sUserManager.exists(userId)) return null; 8921 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 8922 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 8923 return null; 8924 } 8925 final PackageParser.Service service = info.service; 8926 if (mSafeMode && (service.info.applicationInfo.flags 8927 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8928 return null; 8929 } 8930 PackageSetting ps = (PackageSetting) service.owner.mExtras; 8931 if (ps == null) { 8932 return null; 8933 } 8934 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 8935 ps.readUserState(userId), userId); 8936 if (si == null) { 8937 return null; 8938 } 8939 final ResolveInfo res = new ResolveInfo(); 8940 res.serviceInfo = si; 8941 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8942 res.filter = filter; 8943 } 8944 res.priority = info.getPriority(); 8945 res.preferredOrder = service.owner.mPreferredOrder; 8946 res.match = match; 8947 res.isDefault = info.hasDefault; 8948 res.labelRes = info.labelRes; 8949 res.nonLocalizedLabel = info.nonLocalizedLabel; 8950 res.icon = info.icon; 8951 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 8952 return res; 8953 } 8954 8955 @Override 8956 protected void sortResults(List<ResolveInfo> results) { 8957 Collections.sort(results, mResolvePrioritySorter); 8958 } 8959 8960 @Override 8961 protected void dumpFilter(PrintWriter out, String prefix, 8962 PackageParser.ServiceIntentInfo filter) { 8963 out.print(prefix); out.print( 8964 Integer.toHexString(System.identityHashCode(filter.service))); 8965 out.print(' '); 8966 filter.service.printComponentShortName(out); 8967 out.print(" filter "); 8968 out.println(Integer.toHexString(System.identityHashCode(filter))); 8969 } 8970 8971 @Override 8972 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 8973 return filter.service; 8974 } 8975 8976 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8977 PackageParser.Service service = (PackageParser.Service)label; 8978 out.print(prefix); out.print( 8979 Integer.toHexString(System.identityHashCode(service))); 8980 out.print(' '); 8981 service.printComponentShortName(out); 8982 if (count > 1) { 8983 out.print(" ("); out.print(count); out.print(" filters)"); 8984 } 8985 out.println(); 8986 } 8987 8988// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8989// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8990// final List<ResolveInfo> retList = Lists.newArrayList(); 8991// while (i.hasNext()) { 8992// final ResolveInfo resolveInfo = (ResolveInfo) i; 8993// if (isEnabledLP(resolveInfo.serviceInfo)) { 8994// retList.add(resolveInfo); 8995// } 8996// } 8997// return retList; 8998// } 8999 9000 // Keys are String (activity class name), values are Activity. 9001 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9002 = new ArrayMap<ComponentName, PackageParser.Service>(); 9003 private int mFlags; 9004 }; 9005 9006 private final class ProviderIntentResolver 9007 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9008 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9009 boolean defaultOnly, int userId) { 9010 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9011 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9012 } 9013 9014 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9015 int userId) { 9016 if (!sUserManager.exists(userId)) 9017 return null; 9018 mFlags = flags; 9019 return super.queryIntent(intent, resolvedType, 9020 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9021 } 9022 9023 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9024 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9025 if (!sUserManager.exists(userId)) 9026 return null; 9027 if (packageProviders == null) { 9028 return null; 9029 } 9030 mFlags = flags; 9031 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9032 final int N = packageProviders.size(); 9033 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9034 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9035 9036 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9037 for (int i = 0; i < N; ++i) { 9038 intentFilters = packageProviders.get(i).intents; 9039 if (intentFilters != null && intentFilters.size() > 0) { 9040 PackageParser.ProviderIntentInfo[] array = 9041 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9042 intentFilters.toArray(array); 9043 listCut.add(array); 9044 } 9045 } 9046 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9047 } 9048 9049 public final void addProvider(PackageParser.Provider p) { 9050 if (mProviders.containsKey(p.getComponentName())) { 9051 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9052 return; 9053 } 9054 9055 mProviders.put(p.getComponentName(), p); 9056 if (DEBUG_SHOW_INFO) { 9057 Log.v(TAG, " " 9058 + (p.info.nonLocalizedLabel != null 9059 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9060 Log.v(TAG, " Class=" + p.info.name); 9061 } 9062 final int NI = p.intents.size(); 9063 int j; 9064 for (j = 0; j < NI; j++) { 9065 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9066 if (DEBUG_SHOW_INFO) { 9067 Log.v(TAG, " IntentFilter:"); 9068 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9069 } 9070 if (!intent.debugCheck()) { 9071 Log.w(TAG, "==> For Provider " + p.info.name); 9072 } 9073 addFilter(intent); 9074 } 9075 } 9076 9077 public final void removeProvider(PackageParser.Provider p) { 9078 mProviders.remove(p.getComponentName()); 9079 if (DEBUG_SHOW_INFO) { 9080 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9081 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9082 Log.v(TAG, " Class=" + p.info.name); 9083 } 9084 final int NI = p.intents.size(); 9085 int j; 9086 for (j = 0; j < NI; j++) { 9087 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9088 if (DEBUG_SHOW_INFO) { 9089 Log.v(TAG, " IntentFilter:"); 9090 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9091 } 9092 removeFilter(intent); 9093 } 9094 } 9095 9096 @Override 9097 protected boolean allowFilterResult( 9098 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9099 ProviderInfo filterPi = filter.provider.info; 9100 for (int i = dest.size() - 1; i >= 0; i--) { 9101 ProviderInfo destPi = dest.get(i).providerInfo; 9102 if (destPi.name == filterPi.name 9103 && destPi.packageName == filterPi.packageName) { 9104 return false; 9105 } 9106 } 9107 return true; 9108 } 9109 9110 @Override 9111 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9112 return new PackageParser.ProviderIntentInfo[size]; 9113 } 9114 9115 @Override 9116 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9117 if (!sUserManager.exists(userId)) 9118 return true; 9119 PackageParser.Package p = filter.provider.owner; 9120 if (p != null) { 9121 PackageSetting ps = (PackageSetting) p.mExtras; 9122 if (ps != null) { 9123 // System apps are never considered stopped for purposes of 9124 // filtering, because there may be no way for the user to 9125 // actually re-launch them. 9126 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9127 && ps.getStopped(userId); 9128 } 9129 } 9130 return false; 9131 } 9132 9133 @Override 9134 protected boolean isPackageForFilter(String packageName, 9135 PackageParser.ProviderIntentInfo info) { 9136 return packageName.equals(info.provider.owner.packageName); 9137 } 9138 9139 @Override 9140 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9141 int match, int userId) { 9142 if (!sUserManager.exists(userId)) 9143 return null; 9144 final PackageParser.ProviderIntentInfo info = filter; 9145 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9146 return null; 9147 } 9148 final PackageParser.Provider provider = info.provider; 9149 if (mSafeMode && (provider.info.applicationInfo.flags 9150 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9151 return null; 9152 } 9153 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9154 if (ps == null) { 9155 return null; 9156 } 9157 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9158 ps.readUserState(userId), userId); 9159 if (pi == null) { 9160 return null; 9161 } 9162 final ResolveInfo res = new ResolveInfo(); 9163 res.providerInfo = pi; 9164 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9165 res.filter = filter; 9166 } 9167 res.priority = info.getPriority(); 9168 res.preferredOrder = provider.owner.mPreferredOrder; 9169 res.match = match; 9170 res.isDefault = info.hasDefault; 9171 res.labelRes = info.labelRes; 9172 res.nonLocalizedLabel = info.nonLocalizedLabel; 9173 res.icon = info.icon; 9174 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9175 return res; 9176 } 9177 9178 @Override 9179 protected void sortResults(List<ResolveInfo> results) { 9180 Collections.sort(results, mResolvePrioritySorter); 9181 } 9182 9183 @Override 9184 protected void dumpFilter(PrintWriter out, String prefix, 9185 PackageParser.ProviderIntentInfo filter) { 9186 out.print(prefix); 9187 out.print( 9188 Integer.toHexString(System.identityHashCode(filter.provider))); 9189 out.print(' '); 9190 filter.provider.printComponentShortName(out); 9191 out.print(" filter "); 9192 out.println(Integer.toHexString(System.identityHashCode(filter))); 9193 } 9194 9195 @Override 9196 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9197 return filter.provider; 9198 } 9199 9200 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9201 PackageParser.Provider provider = (PackageParser.Provider)label; 9202 out.print(prefix); out.print( 9203 Integer.toHexString(System.identityHashCode(provider))); 9204 out.print(' '); 9205 provider.printComponentShortName(out); 9206 if (count > 1) { 9207 out.print(" ("); out.print(count); out.print(" filters)"); 9208 } 9209 out.println(); 9210 } 9211 9212 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9213 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9214 private int mFlags; 9215 }; 9216 9217 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9218 new Comparator<ResolveInfo>() { 9219 public int compare(ResolveInfo r1, ResolveInfo r2) { 9220 int v1 = r1.priority; 9221 int v2 = r2.priority; 9222 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9223 if (v1 != v2) { 9224 return (v1 > v2) ? -1 : 1; 9225 } 9226 v1 = r1.preferredOrder; 9227 v2 = r2.preferredOrder; 9228 if (v1 != v2) { 9229 return (v1 > v2) ? -1 : 1; 9230 } 9231 if (r1.isDefault != r2.isDefault) { 9232 return r1.isDefault ? -1 : 1; 9233 } 9234 v1 = r1.match; 9235 v2 = r2.match; 9236 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9237 if (v1 != v2) { 9238 return (v1 > v2) ? -1 : 1; 9239 } 9240 if (r1.system != r2.system) { 9241 return r1.system ? -1 : 1; 9242 } 9243 return 0; 9244 } 9245 }; 9246 9247 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9248 new Comparator<ProviderInfo>() { 9249 public int compare(ProviderInfo p1, ProviderInfo p2) { 9250 final int v1 = p1.initOrder; 9251 final int v2 = p2.initOrder; 9252 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9253 } 9254 }; 9255 9256 final void sendPackageBroadcast(final String action, final String pkg, 9257 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9258 final int[] userIds) { 9259 mHandler.post(new Runnable() { 9260 @Override 9261 public void run() { 9262 try { 9263 final IActivityManager am = ActivityManagerNative.getDefault(); 9264 if (am == null) return; 9265 final int[] resolvedUserIds; 9266 if (userIds == null) { 9267 resolvedUserIds = am.getRunningUserIds(); 9268 } else { 9269 resolvedUserIds = userIds; 9270 } 9271 for (int id : resolvedUserIds) { 9272 final Intent intent = new Intent(action, 9273 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9274 if (extras != null) { 9275 intent.putExtras(extras); 9276 } 9277 if (targetPkg != null) { 9278 intent.setPackage(targetPkg); 9279 } 9280 // Modify the UID when posting to other users 9281 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9282 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9283 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9284 intent.putExtra(Intent.EXTRA_UID, uid); 9285 } 9286 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9287 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9288 if (DEBUG_BROADCASTS) { 9289 RuntimeException here = new RuntimeException("here"); 9290 here.fillInStackTrace(); 9291 Slog.d(TAG, "Sending to user " + id + ": " 9292 + intent.toShortString(false, true, false, false) 9293 + " " + intent.getExtras(), here); 9294 } 9295 am.broadcastIntent(null, intent, null, finishedReceiver, 9296 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9297 null, finishedReceiver != null, false, id); 9298 } 9299 } catch (RemoteException ex) { 9300 } 9301 } 9302 }); 9303 } 9304 9305 /** 9306 * Check if the external storage media is available. This is true if there 9307 * is a mounted external storage medium or if the external storage is 9308 * emulated. 9309 */ 9310 private boolean isExternalMediaAvailable() { 9311 return mMediaMounted || Environment.isExternalStorageEmulated(); 9312 } 9313 9314 @Override 9315 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9316 // writer 9317 synchronized (mPackages) { 9318 if (!isExternalMediaAvailable()) { 9319 // If the external storage is no longer mounted at this point, 9320 // the caller may not have been able to delete all of this 9321 // packages files and can not delete any more. Bail. 9322 return null; 9323 } 9324 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9325 if (lastPackage != null) { 9326 pkgs.remove(lastPackage); 9327 } 9328 if (pkgs.size() > 0) { 9329 return pkgs.get(0); 9330 } 9331 } 9332 return null; 9333 } 9334 9335 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9336 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9337 userId, andCode ? 1 : 0, packageName); 9338 if (mSystemReady) { 9339 msg.sendToTarget(); 9340 } else { 9341 if (mPostSystemReadyMessages == null) { 9342 mPostSystemReadyMessages = new ArrayList<>(); 9343 } 9344 mPostSystemReadyMessages.add(msg); 9345 } 9346 } 9347 9348 void startCleaningPackages() { 9349 // reader 9350 synchronized (mPackages) { 9351 if (!isExternalMediaAvailable()) { 9352 return; 9353 } 9354 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9355 return; 9356 } 9357 } 9358 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9359 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9360 IActivityManager am = ActivityManagerNative.getDefault(); 9361 if (am != null) { 9362 try { 9363 am.startService(null, intent, null, mContext.getOpPackageName(), 9364 UserHandle.USER_OWNER); 9365 } catch (RemoteException e) { 9366 } 9367 } 9368 } 9369 9370 @Override 9371 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9372 int installFlags, String installerPackageName, VerificationParams verificationParams, 9373 String packageAbiOverride) { 9374 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9375 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9376 } 9377 9378 @Override 9379 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9380 int installFlags, String installerPackageName, VerificationParams verificationParams, 9381 String packageAbiOverride, int userId) { 9382 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9383 9384 final int callingUid = Binder.getCallingUid(); 9385 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9386 9387 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9388 try { 9389 if (observer != null) { 9390 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9391 } 9392 } catch (RemoteException re) { 9393 } 9394 return; 9395 } 9396 9397 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9398 installFlags |= PackageManager.INSTALL_FROM_ADB; 9399 9400 } else { 9401 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9402 // about installerPackageName. 9403 9404 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9405 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9406 } 9407 9408 UserHandle user; 9409 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9410 user = UserHandle.ALL; 9411 } else { 9412 user = new UserHandle(userId); 9413 } 9414 9415 // Only system components can circumvent runtime permissions when installing. 9416 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9417 && mContext.checkCallingOrSelfPermission(Manifest.permission 9418 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9419 throw new SecurityException("You need the " 9420 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9421 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9422 } 9423 9424 verificationParams.setInstallerUid(callingUid); 9425 9426 final File originFile = new File(originPath); 9427 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9428 9429 final Message msg = mHandler.obtainMessage(INIT_COPY); 9430 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9431 null, verificationParams, user, packageAbiOverride); 9432 mHandler.sendMessage(msg); 9433 } 9434 9435 void installStage(String packageName, File stagedDir, String stagedCid, 9436 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9437 String installerPackageName, int installerUid, UserHandle user) { 9438 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9439 params.referrerUri, installerUid, null); 9440 verifParams.setInstallerUid(installerUid); 9441 9442 final OriginInfo origin; 9443 if (stagedDir != null) { 9444 origin = OriginInfo.fromStagedFile(stagedDir); 9445 } else { 9446 origin = OriginInfo.fromStagedContainer(stagedCid); 9447 } 9448 9449 final Message msg = mHandler.obtainMessage(INIT_COPY); 9450 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9451 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride); 9452 mHandler.sendMessage(msg); 9453 } 9454 9455 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9456 Bundle extras = new Bundle(1); 9457 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9458 9459 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9460 packageName, extras, null, null, new int[] {userId}); 9461 try { 9462 IActivityManager am = ActivityManagerNative.getDefault(); 9463 final boolean isSystem = 9464 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9465 if (isSystem && am.isUserRunning(userId, false)) { 9466 // The just-installed/enabled app is bundled on the system, so presumed 9467 // to be able to run automatically without needing an explicit launch. 9468 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9469 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9470 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9471 .setPackage(packageName); 9472 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9473 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9474 } 9475 } catch (RemoteException e) { 9476 // shouldn't happen 9477 Slog.w(TAG, "Unable to bootstrap installed package", e); 9478 } 9479 } 9480 9481 @Override 9482 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9483 int userId) { 9484 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9485 PackageSetting pkgSetting; 9486 final int uid = Binder.getCallingUid(); 9487 enforceCrossUserPermission(uid, userId, true, true, 9488 "setApplicationHiddenSetting for user " + userId); 9489 9490 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9491 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9492 return false; 9493 } 9494 9495 long callingId = Binder.clearCallingIdentity(); 9496 try { 9497 boolean sendAdded = false; 9498 boolean sendRemoved = false; 9499 // writer 9500 synchronized (mPackages) { 9501 pkgSetting = mSettings.mPackages.get(packageName); 9502 if (pkgSetting == null) { 9503 return false; 9504 } 9505 if (pkgSetting.getHidden(userId) != hidden) { 9506 pkgSetting.setHidden(hidden, userId); 9507 mSettings.writePackageRestrictionsLPr(userId); 9508 if (hidden) { 9509 sendRemoved = true; 9510 } else { 9511 sendAdded = true; 9512 } 9513 } 9514 } 9515 if (sendAdded) { 9516 sendPackageAddedForUser(packageName, pkgSetting, userId); 9517 return true; 9518 } 9519 if (sendRemoved) { 9520 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9521 "hiding pkg"); 9522 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9523 } 9524 } finally { 9525 Binder.restoreCallingIdentity(callingId); 9526 } 9527 return false; 9528 } 9529 9530 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9531 int userId) { 9532 final PackageRemovedInfo info = new PackageRemovedInfo(); 9533 info.removedPackage = packageName; 9534 info.removedUsers = new int[] {userId}; 9535 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9536 info.sendBroadcast(false, false, false); 9537 } 9538 9539 /** 9540 * Returns true if application is not found or there was an error. Otherwise it returns 9541 * the hidden state of the package for the given user. 9542 */ 9543 @Override 9544 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9545 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9546 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9547 false, "getApplicationHidden for user " + userId); 9548 PackageSetting pkgSetting; 9549 long callingId = Binder.clearCallingIdentity(); 9550 try { 9551 // writer 9552 synchronized (mPackages) { 9553 pkgSetting = mSettings.mPackages.get(packageName); 9554 if (pkgSetting == null) { 9555 return true; 9556 } 9557 return pkgSetting.getHidden(userId); 9558 } 9559 } finally { 9560 Binder.restoreCallingIdentity(callingId); 9561 } 9562 } 9563 9564 /** 9565 * @hide 9566 */ 9567 @Override 9568 public int installExistingPackageAsUser(String packageName, int userId) { 9569 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9570 null); 9571 PackageSetting pkgSetting; 9572 final int uid = Binder.getCallingUid(); 9573 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9574 + userId); 9575 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9576 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9577 } 9578 9579 long callingId = Binder.clearCallingIdentity(); 9580 try { 9581 boolean sendAdded = false; 9582 9583 // writer 9584 synchronized (mPackages) { 9585 pkgSetting = mSettings.mPackages.get(packageName); 9586 if (pkgSetting == null) { 9587 return PackageManager.INSTALL_FAILED_INVALID_URI; 9588 } 9589 if (!pkgSetting.getInstalled(userId)) { 9590 pkgSetting.setInstalled(true, userId); 9591 pkgSetting.setHidden(false, userId); 9592 mSettings.writePackageRestrictionsLPr(userId); 9593 sendAdded = true; 9594 } 9595 } 9596 9597 if (sendAdded) { 9598 sendPackageAddedForUser(packageName, pkgSetting, userId); 9599 } 9600 } finally { 9601 Binder.restoreCallingIdentity(callingId); 9602 } 9603 9604 return PackageManager.INSTALL_SUCCEEDED; 9605 } 9606 9607 boolean isUserRestricted(int userId, String restrictionKey) { 9608 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9609 if (restrictions.getBoolean(restrictionKey, false)) { 9610 Log.w(TAG, "User is restricted: " + restrictionKey); 9611 return true; 9612 } 9613 return false; 9614 } 9615 9616 @Override 9617 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9618 mContext.enforceCallingOrSelfPermission( 9619 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9620 "Only package verification agents can verify applications"); 9621 9622 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9623 final PackageVerificationResponse response = new PackageVerificationResponse( 9624 verificationCode, Binder.getCallingUid()); 9625 msg.arg1 = id; 9626 msg.obj = response; 9627 mHandler.sendMessage(msg); 9628 } 9629 9630 @Override 9631 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9632 long millisecondsToDelay) { 9633 mContext.enforceCallingOrSelfPermission( 9634 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9635 "Only package verification agents can extend verification timeouts"); 9636 9637 final PackageVerificationState state = mPendingVerification.get(id); 9638 final PackageVerificationResponse response = new PackageVerificationResponse( 9639 verificationCodeAtTimeout, Binder.getCallingUid()); 9640 9641 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9642 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9643 } 9644 if (millisecondsToDelay < 0) { 9645 millisecondsToDelay = 0; 9646 } 9647 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9648 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9649 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9650 } 9651 9652 if ((state != null) && !state.timeoutExtended()) { 9653 state.extendTimeout(); 9654 9655 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9656 msg.arg1 = id; 9657 msg.obj = response; 9658 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9659 } 9660 } 9661 9662 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9663 int verificationCode, UserHandle user) { 9664 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9665 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9666 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9667 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9668 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9669 9670 mContext.sendBroadcastAsUser(intent, user, 9671 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9672 } 9673 9674 private ComponentName matchComponentForVerifier(String packageName, 9675 List<ResolveInfo> receivers) { 9676 ActivityInfo targetReceiver = null; 9677 9678 final int NR = receivers.size(); 9679 for (int i = 0; i < NR; i++) { 9680 final ResolveInfo info = receivers.get(i); 9681 if (info.activityInfo == null) { 9682 continue; 9683 } 9684 9685 if (packageName.equals(info.activityInfo.packageName)) { 9686 targetReceiver = info.activityInfo; 9687 break; 9688 } 9689 } 9690 9691 if (targetReceiver == null) { 9692 return null; 9693 } 9694 9695 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9696 } 9697 9698 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9699 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9700 if (pkgInfo.verifiers.length == 0) { 9701 return null; 9702 } 9703 9704 final int N = pkgInfo.verifiers.length; 9705 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9706 for (int i = 0; i < N; i++) { 9707 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9708 9709 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9710 receivers); 9711 if (comp == null) { 9712 continue; 9713 } 9714 9715 final int verifierUid = getUidForVerifier(verifierInfo); 9716 if (verifierUid == -1) { 9717 continue; 9718 } 9719 9720 if (DEBUG_VERIFY) { 9721 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9722 + " with the correct signature"); 9723 } 9724 sufficientVerifiers.add(comp); 9725 verificationState.addSufficientVerifier(verifierUid); 9726 } 9727 9728 return sufficientVerifiers; 9729 } 9730 9731 private int getUidForVerifier(VerifierInfo verifierInfo) { 9732 synchronized (mPackages) { 9733 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9734 if (pkg == null) { 9735 return -1; 9736 } else if (pkg.mSignatures.length != 1) { 9737 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9738 + " has more than one signature; ignoring"); 9739 return -1; 9740 } 9741 9742 /* 9743 * If the public key of the package's signature does not match 9744 * our expected public key, then this is a different package and 9745 * we should skip. 9746 */ 9747 9748 final byte[] expectedPublicKey; 9749 try { 9750 final Signature verifierSig = pkg.mSignatures[0]; 9751 final PublicKey publicKey = verifierSig.getPublicKey(); 9752 expectedPublicKey = publicKey.getEncoded(); 9753 } catch (CertificateException e) { 9754 return -1; 9755 } 9756 9757 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9758 9759 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9760 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9761 + " does not have the expected public key; ignoring"); 9762 return -1; 9763 } 9764 9765 return pkg.applicationInfo.uid; 9766 } 9767 } 9768 9769 @Override 9770 public void finishPackageInstall(int token) { 9771 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9772 9773 if (DEBUG_INSTALL) { 9774 Slog.v(TAG, "BM finishing package install for " + token); 9775 } 9776 9777 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9778 mHandler.sendMessage(msg); 9779 } 9780 9781 /** 9782 * Get the verification agent timeout. 9783 * 9784 * @return verification timeout in milliseconds 9785 */ 9786 private long getVerificationTimeout() { 9787 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9788 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9789 DEFAULT_VERIFICATION_TIMEOUT); 9790 } 9791 9792 /** 9793 * Get the default verification agent response code. 9794 * 9795 * @return default verification response code 9796 */ 9797 private int getDefaultVerificationResponse() { 9798 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9799 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9800 DEFAULT_VERIFICATION_RESPONSE); 9801 } 9802 9803 /** 9804 * Check whether or not package verification has been enabled. 9805 * 9806 * @return true if verification should be performed 9807 */ 9808 private boolean isVerificationEnabled(int userId, int installFlags) { 9809 if (!DEFAULT_VERIFY_ENABLE) { 9810 return false; 9811 } 9812 9813 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9814 9815 // Check if installing from ADB 9816 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9817 // Do not run verification in a test harness environment 9818 if (ActivityManager.isRunningInTestHarness()) { 9819 return false; 9820 } 9821 if (ensureVerifyAppsEnabled) { 9822 return true; 9823 } 9824 // Check if the developer does not want package verification for ADB installs 9825 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9826 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9827 return false; 9828 } 9829 } 9830 9831 if (ensureVerifyAppsEnabled) { 9832 return true; 9833 } 9834 9835 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9836 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9837 } 9838 9839 @Override 9840 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9841 throws RemoteException { 9842 mContext.enforceCallingOrSelfPermission( 9843 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9844 "Only intentfilter verification agents can verify applications"); 9845 9846 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9847 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9848 Binder.getCallingUid(), verificationCode, failedDomains); 9849 msg.arg1 = id; 9850 msg.obj = response; 9851 mHandler.sendMessage(msg); 9852 } 9853 9854 @Override 9855 public int getIntentVerificationStatus(String packageName, int userId) { 9856 synchronized (mPackages) { 9857 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9858 } 9859 } 9860 9861 @Override 9862 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 9863 mContext.enforceCallingOrSelfPermission( 9864 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9865 9866 boolean result = false; 9867 synchronized (mPackages) { 9868 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 9869 } 9870 if (result) { 9871 scheduleWritePackageRestrictionsLocked(userId); 9872 } 9873 return result; 9874 } 9875 9876 @Override 9877 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 9878 synchronized (mPackages) { 9879 return mSettings.getIntentFilterVerificationsLPr(packageName); 9880 } 9881 } 9882 9883 @Override 9884 public List<IntentFilter> getAllIntentFilters(String packageName) { 9885 if (TextUtils.isEmpty(packageName)) { 9886 return Collections.<IntentFilter>emptyList(); 9887 } 9888 synchronized (mPackages) { 9889 PackageParser.Package pkg = mPackages.get(packageName); 9890 if (pkg == null || pkg.activities == null) { 9891 return Collections.<IntentFilter>emptyList(); 9892 } 9893 final int count = pkg.activities.size(); 9894 ArrayList<IntentFilter> result = new ArrayList<>(); 9895 for (int n=0; n<count; n++) { 9896 PackageParser.Activity activity = pkg.activities.get(n); 9897 if (activity.intents != null || activity.intents.size() > 0) { 9898 result.addAll(activity.intents); 9899 } 9900 } 9901 return result; 9902 } 9903 } 9904 9905 @Override 9906 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 9907 mContext.enforceCallingOrSelfPermission( 9908 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9909 9910 synchronized (mPackages) { 9911 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 9912 if (packageName != null) { 9913 result |= updateIntentVerificationStatus(packageName, 9914 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 9915 UserHandle.myUserId()); 9916 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 9917 packageName, userId); 9918 } 9919 return result; 9920 } 9921 } 9922 9923 @Override 9924 public String getDefaultBrowserPackageName(int userId) { 9925 synchronized (mPackages) { 9926 return mSettings.getDefaultBrowserPackageNameLPw(userId); 9927 } 9928 } 9929 9930 /** 9931 * Get the "allow unknown sources" setting. 9932 * 9933 * @return the current "allow unknown sources" setting 9934 */ 9935 private int getUnknownSourcesSettings() { 9936 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9937 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 9938 -1); 9939 } 9940 9941 @Override 9942 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 9943 final int uid = Binder.getCallingUid(); 9944 // writer 9945 synchronized (mPackages) { 9946 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 9947 if (targetPackageSetting == null) { 9948 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 9949 } 9950 9951 PackageSetting installerPackageSetting; 9952 if (installerPackageName != null) { 9953 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 9954 if (installerPackageSetting == null) { 9955 throw new IllegalArgumentException("Unknown installer package: " 9956 + installerPackageName); 9957 } 9958 } else { 9959 installerPackageSetting = null; 9960 } 9961 9962 Signature[] callerSignature; 9963 Object obj = mSettings.getUserIdLPr(uid); 9964 if (obj != null) { 9965 if (obj instanceof SharedUserSetting) { 9966 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 9967 } else if (obj instanceof PackageSetting) { 9968 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 9969 } else { 9970 throw new SecurityException("Bad object " + obj + " for uid " + uid); 9971 } 9972 } else { 9973 throw new SecurityException("Unknown calling uid " + uid); 9974 } 9975 9976 // Verify: can't set installerPackageName to a package that is 9977 // not signed with the same cert as the caller. 9978 if (installerPackageSetting != null) { 9979 if (compareSignatures(callerSignature, 9980 installerPackageSetting.signatures.mSignatures) 9981 != PackageManager.SIGNATURE_MATCH) { 9982 throw new SecurityException( 9983 "Caller does not have same cert as new installer package " 9984 + installerPackageName); 9985 } 9986 } 9987 9988 // Verify: if target already has an installer package, it must 9989 // be signed with the same cert as the caller. 9990 if (targetPackageSetting.installerPackageName != null) { 9991 PackageSetting setting = mSettings.mPackages.get( 9992 targetPackageSetting.installerPackageName); 9993 // If the currently set package isn't valid, then it's always 9994 // okay to change it. 9995 if (setting != null) { 9996 if (compareSignatures(callerSignature, 9997 setting.signatures.mSignatures) 9998 != PackageManager.SIGNATURE_MATCH) { 9999 throw new SecurityException( 10000 "Caller does not have same cert as old installer package " 10001 + targetPackageSetting.installerPackageName); 10002 } 10003 } 10004 } 10005 10006 // Okay! 10007 targetPackageSetting.installerPackageName = installerPackageName; 10008 scheduleWriteSettingsLocked(); 10009 } 10010 } 10011 10012 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10013 // Queue up an async operation since the package installation may take a little while. 10014 mHandler.post(new Runnable() { 10015 public void run() { 10016 mHandler.removeCallbacks(this); 10017 // Result object to be returned 10018 PackageInstalledInfo res = new PackageInstalledInfo(); 10019 res.returnCode = currentStatus; 10020 res.uid = -1; 10021 res.pkg = null; 10022 res.removedInfo = new PackageRemovedInfo(); 10023 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10024 args.doPreInstall(res.returnCode); 10025 synchronized (mInstallLock) { 10026 installPackageLI(args, res); 10027 } 10028 args.doPostInstall(res.returnCode, res.uid); 10029 } 10030 10031 // A restore should be performed at this point if (a) the install 10032 // succeeded, (b) the operation is not an update, and (c) the new 10033 // package has not opted out of backup participation. 10034 final boolean update = res.removedInfo.removedPackage != null; 10035 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10036 boolean doRestore = !update 10037 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10038 10039 // Set up the post-install work request bookkeeping. This will be used 10040 // and cleaned up by the post-install event handling regardless of whether 10041 // there's a restore pass performed. Token values are >= 1. 10042 int token; 10043 if (mNextInstallToken < 0) mNextInstallToken = 1; 10044 token = mNextInstallToken++; 10045 10046 PostInstallData data = new PostInstallData(args, res); 10047 mRunningInstalls.put(token, data); 10048 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10049 10050 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10051 // Pass responsibility to the Backup Manager. It will perform a 10052 // restore if appropriate, then pass responsibility back to the 10053 // Package Manager to run the post-install observer callbacks 10054 // and broadcasts. 10055 IBackupManager bm = IBackupManager.Stub.asInterface( 10056 ServiceManager.getService(Context.BACKUP_SERVICE)); 10057 if (bm != null) { 10058 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10059 + " to BM for possible restore"); 10060 try { 10061 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10062 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10063 } else { 10064 doRestore = false; 10065 } 10066 } catch (RemoteException e) { 10067 // can't happen; the backup manager is local 10068 } catch (Exception e) { 10069 Slog.e(TAG, "Exception trying to enqueue restore", e); 10070 doRestore = false; 10071 } 10072 } else { 10073 Slog.e(TAG, "Backup Manager not found!"); 10074 doRestore = false; 10075 } 10076 } 10077 10078 if (!doRestore) { 10079 // No restore possible, or the Backup Manager was mysteriously not 10080 // available -- just fire the post-install work request directly. 10081 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10082 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10083 mHandler.sendMessage(msg); 10084 } 10085 } 10086 }); 10087 } 10088 10089 private abstract class HandlerParams { 10090 private static final int MAX_RETRIES = 4; 10091 10092 /** 10093 * Number of times startCopy() has been attempted and had a non-fatal 10094 * error. 10095 */ 10096 private int mRetries = 0; 10097 10098 /** User handle for the user requesting the information or installation. */ 10099 private final UserHandle mUser; 10100 10101 HandlerParams(UserHandle user) { 10102 mUser = user; 10103 } 10104 10105 UserHandle getUser() { 10106 return mUser; 10107 } 10108 10109 final boolean startCopy() { 10110 boolean res; 10111 try { 10112 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10113 10114 if (++mRetries > MAX_RETRIES) { 10115 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10116 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10117 handleServiceError(); 10118 return false; 10119 } else { 10120 handleStartCopy(); 10121 res = true; 10122 } 10123 } catch (RemoteException e) { 10124 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10125 mHandler.sendEmptyMessage(MCS_RECONNECT); 10126 res = false; 10127 } 10128 handleReturnCode(); 10129 return res; 10130 } 10131 10132 final void serviceError() { 10133 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10134 handleServiceError(); 10135 handleReturnCode(); 10136 } 10137 10138 abstract void handleStartCopy() throws RemoteException; 10139 abstract void handleServiceError(); 10140 abstract void handleReturnCode(); 10141 } 10142 10143 class MeasureParams extends HandlerParams { 10144 private final PackageStats mStats; 10145 private boolean mSuccess; 10146 10147 private final IPackageStatsObserver mObserver; 10148 10149 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10150 super(new UserHandle(stats.userHandle)); 10151 mObserver = observer; 10152 mStats = stats; 10153 } 10154 10155 @Override 10156 public String toString() { 10157 return "MeasureParams{" 10158 + Integer.toHexString(System.identityHashCode(this)) 10159 + " " + mStats.packageName + "}"; 10160 } 10161 10162 @Override 10163 void handleStartCopy() throws RemoteException { 10164 synchronized (mInstallLock) { 10165 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10166 } 10167 10168 if (mSuccess) { 10169 final boolean mounted; 10170 if (Environment.isExternalStorageEmulated()) { 10171 mounted = true; 10172 } else { 10173 final String status = Environment.getExternalStorageState(); 10174 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10175 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10176 } 10177 10178 if (mounted) { 10179 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10180 10181 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10182 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10183 10184 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10185 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10186 10187 // Always subtract cache size, since it's a subdirectory 10188 mStats.externalDataSize -= mStats.externalCacheSize; 10189 10190 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10191 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10192 10193 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10194 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10195 } 10196 } 10197 } 10198 10199 @Override 10200 void handleReturnCode() { 10201 if (mObserver != null) { 10202 try { 10203 mObserver.onGetStatsCompleted(mStats, mSuccess); 10204 } catch (RemoteException e) { 10205 Slog.i(TAG, "Observer no longer exists."); 10206 } 10207 } 10208 } 10209 10210 @Override 10211 void handleServiceError() { 10212 Slog.e(TAG, "Could not measure application " + mStats.packageName 10213 + " external storage"); 10214 } 10215 } 10216 10217 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10218 throws RemoteException { 10219 long result = 0; 10220 for (File path : paths) { 10221 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10222 } 10223 return result; 10224 } 10225 10226 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10227 for (File path : paths) { 10228 try { 10229 mcs.clearDirectory(path.getAbsolutePath()); 10230 } catch (RemoteException e) { 10231 } 10232 } 10233 } 10234 10235 static class OriginInfo { 10236 /** 10237 * Location where install is coming from, before it has been 10238 * copied/renamed into place. This could be a single monolithic APK 10239 * file, or a cluster directory. This location may be untrusted. 10240 */ 10241 final File file; 10242 final String cid; 10243 10244 /** 10245 * Flag indicating that {@link #file} or {@link #cid} has already been 10246 * staged, meaning downstream users don't need to defensively copy the 10247 * contents. 10248 */ 10249 final boolean staged; 10250 10251 /** 10252 * Flag indicating that {@link #file} or {@link #cid} is an already 10253 * installed app that is being moved. 10254 */ 10255 final boolean existing; 10256 10257 final String resolvedPath; 10258 final File resolvedFile; 10259 10260 static OriginInfo fromNothing() { 10261 return new OriginInfo(null, null, false, false); 10262 } 10263 10264 static OriginInfo fromUntrustedFile(File file) { 10265 return new OriginInfo(file, null, false, false); 10266 } 10267 10268 static OriginInfo fromExistingFile(File file) { 10269 return new OriginInfo(file, null, false, true); 10270 } 10271 10272 static OriginInfo fromStagedFile(File file) { 10273 return new OriginInfo(file, null, true, false); 10274 } 10275 10276 static OriginInfo fromStagedContainer(String cid) { 10277 return new OriginInfo(null, cid, true, false); 10278 } 10279 10280 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10281 this.file = file; 10282 this.cid = cid; 10283 this.staged = staged; 10284 this.existing = existing; 10285 10286 if (cid != null) { 10287 resolvedPath = PackageHelper.getSdDir(cid); 10288 resolvedFile = new File(resolvedPath); 10289 } else if (file != null) { 10290 resolvedPath = file.getAbsolutePath(); 10291 resolvedFile = file; 10292 } else { 10293 resolvedPath = null; 10294 resolvedFile = null; 10295 } 10296 } 10297 } 10298 10299 class MoveInfo { 10300 final int moveId; 10301 final String fromUuid; 10302 final String toUuid; 10303 final String packageName; 10304 final String dataAppName; 10305 final int appId; 10306 final String seinfo; 10307 10308 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10309 String dataAppName, int appId, String seinfo) { 10310 this.moveId = moveId; 10311 this.fromUuid = fromUuid; 10312 this.toUuid = toUuid; 10313 this.packageName = packageName; 10314 this.dataAppName = dataAppName; 10315 this.appId = appId; 10316 this.seinfo = seinfo; 10317 } 10318 } 10319 10320 class InstallParams extends HandlerParams { 10321 final OriginInfo origin; 10322 final MoveInfo move; 10323 final IPackageInstallObserver2 observer; 10324 int installFlags; 10325 final String installerPackageName; 10326 final String volumeUuid; 10327 final VerificationParams verificationParams; 10328 private InstallArgs mArgs; 10329 private int mRet; 10330 final String packageAbiOverride; 10331 10332 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10333 int installFlags, String installerPackageName, String volumeUuid, 10334 VerificationParams verificationParams, UserHandle user, String packageAbiOverride) { 10335 super(user); 10336 this.origin = origin; 10337 this.move = move; 10338 this.observer = observer; 10339 this.installFlags = installFlags; 10340 this.installerPackageName = installerPackageName; 10341 this.volumeUuid = volumeUuid; 10342 this.verificationParams = verificationParams; 10343 this.packageAbiOverride = packageAbiOverride; 10344 } 10345 10346 @Override 10347 public String toString() { 10348 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10349 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10350 } 10351 10352 public ManifestDigest getManifestDigest() { 10353 if (verificationParams == null) { 10354 return null; 10355 } 10356 return verificationParams.getManifestDigest(); 10357 } 10358 10359 private int installLocationPolicy(PackageInfoLite pkgLite) { 10360 String packageName = pkgLite.packageName; 10361 int installLocation = pkgLite.installLocation; 10362 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10363 // reader 10364 synchronized (mPackages) { 10365 PackageParser.Package pkg = mPackages.get(packageName); 10366 if (pkg != null) { 10367 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10368 // Check for downgrading. 10369 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10370 try { 10371 checkDowngrade(pkg, pkgLite); 10372 } catch (PackageManagerException e) { 10373 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10374 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10375 } 10376 } 10377 // Check for updated system application. 10378 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10379 if (onSd) { 10380 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10381 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10382 } 10383 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10384 } else { 10385 if (onSd) { 10386 // Install flag overrides everything. 10387 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10388 } 10389 // If current upgrade specifies particular preference 10390 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10391 // Application explicitly specified internal. 10392 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10393 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10394 // App explictly prefers external. Let policy decide 10395 } else { 10396 // Prefer previous location 10397 if (isExternal(pkg)) { 10398 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10399 } 10400 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10401 } 10402 } 10403 } else { 10404 // Invalid install. Return error code 10405 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10406 } 10407 } 10408 } 10409 // All the special cases have been taken care of. 10410 // Return result based on recommended install location. 10411 if (onSd) { 10412 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10413 } 10414 return pkgLite.recommendedInstallLocation; 10415 } 10416 10417 /* 10418 * Invoke remote method to get package information and install 10419 * location values. Override install location based on default 10420 * policy if needed and then create install arguments based 10421 * on the install location. 10422 */ 10423 public void handleStartCopy() throws RemoteException { 10424 int ret = PackageManager.INSTALL_SUCCEEDED; 10425 10426 // If we're already staged, we've firmly committed to an install location 10427 if (origin.staged) { 10428 if (origin.file != null) { 10429 installFlags |= PackageManager.INSTALL_INTERNAL; 10430 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10431 } else if (origin.cid != null) { 10432 installFlags |= PackageManager.INSTALL_EXTERNAL; 10433 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10434 } else { 10435 throw new IllegalStateException("Invalid stage location"); 10436 } 10437 } 10438 10439 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10440 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10441 10442 PackageInfoLite pkgLite = null; 10443 10444 if (onInt && onSd) { 10445 // Check if both bits are set. 10446 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10447 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10448 } else { 10449 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10450 packageAbiOverride); 10451 10452 /* 10453 * If we have too little free space, try to free cache 10454 * before giving up. 10455 */ 10456 if (!origin.staged && pkgLite.recommendedInstallLocation 10457 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10458 // TODO: focus freeing disk space on the target device 10459 final StorageManager storage = StorageManager.from(mContext); 10460 final long lowThreshold = storage.getStorageLowBytes( 10461 Environment.getDataDirectory()); 10462 10463 final long sizeBytes = mContainerService.calculateInstalledSize( 10464 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10465 10466 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10467 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10468 installFlags, packageAbiOverride); 10469 } 10470 10471 /* 10472 * The cache free must have deleted the file we 10473 * downloaded to install. 10474 * 10475 * TODO: fix the "freeCache" call to not delete 10476 * the file we care about. 10477 */ 10478 if (pkgLite.recommendedInstallLocation 10479 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10480 pkgLite.recommendedInstallLocation 10481 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10482 } 10483 } 10484 } 10485 10486 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10487 int loc = pkgLite.recommendedInstallLocation; 10488 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10489 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10490 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10491 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10492 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10493 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10494 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10495 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10496 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10497 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10498 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10499 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10500 } else { 10501 // Override with defaults if needed. 10502 loc = installLocationPolicy(pkgLite); 10503 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10504 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10505 } else if (!onSd && !onInt) { 10506 // Override install location with flags 10507 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10508 // Set the flag to install on external media. 10509 installFlags |= PackageManager.INSTALL_EXTERNAL; 10510 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10511 } else { 10512 // Make sure the flag for installing on external 10513 // media is unset 10514 installFlags |= PackageManager.INSTALL_INTERNAL; 10515 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10516 } 10517 } 10518 } 10519 } 10520 10521 final InstallArgs args = createInstallArgs(this); 10522 mArgs = args; 10523 10524 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10525 /* 10526 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10527 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10528 */ 10529 int userIdentifier = getUser().getIdentifier(); 10530 if (userIdentifier == UserHandle.USER_ALL 10531 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10532 userIdentifier = UserHandle.USER_OWNER; 10533 } 10534 10535 /* 10536 * Determine if we have any installed package verifiers. If we 10537 * do, then we'll defer to them to verify the packages. 10538 */ 10539 final int requiredUid = mRequiredVerifierPackage == null ? -1 10540 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10541 if (!origin.existing && requiredUid != -1 10542 && isVerificationEnabled(userIdentifier, installFlags)) { 10543 final Intent verification = new Intent( 10544 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10545 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10546 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10547 PACKAGE_MIME_TYPE); 10548 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10549 10550 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10551 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10552 0 /* TODO: Which userId? */); 10553 10554 if (DEBUG_VERIFY) { 10555 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10556 + verification.toString() + " with " + pkgLite.verifiers.length 10557 + " optional verifiers"); 10558 } 10559 10560 final int verificationId = mPendingVerificationToken++; 10561 10562 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10563 10564 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10565 installerPackageName); 10566 10567 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10568 installFlags); 10569 10570 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10571 pkgLite.packageName); 10572 10573 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10574 pkgLite.versionCode); 10575 10576 if (verificationParams != null) { 10577 if (verificationParams.getVerificationURI() != null) { 10578 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10579 verificationParams.getVerificationURI()); 10580 } 10581 if (verificationParams.getOriginatingURI() != null) { 10582 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10583 verificationParams.getOriginatingURI()); 10584 } 10585 if (verificationParams.getReferrer() != null) { 10586 verification.putExtra(Intent.EXTRA_REFERRER, 10587 verificationParams.getReferrer()); 10588 } 10589 if (verificationParams.getOriginatingUid() >= 0) { 10590 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10591 verificationParams.getOriginatingUid()); 10592 } 10593 if (verificationParams.getInstallerUid() >= 0) { 10594 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10595 verificationParams.getInstallerUid()); 10596 } 10597 } 10598 10599 final PackageVerificationState verificationState = new PackageVerificationState( 10600 requiredUid, args); 10601 10602 mPendingVerification.append(verificationId, verificationState); 10603 10604 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10605 receivers, verificationState); 10606 10607 /* 10608 * If any sufficient verifiers were listed in the package 10609 * manifest, attempt to ask them. 10610 */ 10611 if (sufficientVerifiers != null) { 10612 final int N = sufficientVerifiers.size(); 10613 if (N == 0) { 10614 Slog.i(TAG, "Additional verifiers required, but none installed."); 10615 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10616 } else { 10617 for (int i = 0; i < N; i++) { 10618 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10619 10620 final Intent sufficientIntent = new Intent(verification); 10621 sufficientIntent.setComponent(verifierComponent); 10622 10623 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 10624 } 10625 } 10626 } 10627 10628 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10629 mRequiredVerifierPackage, receivers); 10630 if (ret == PackageManager.INSTALL_SUCCEEDED 10631 && mRequiredVerifierPackage != null) { 10632 /* 10633 * Send the intent to the required verification agent, 10634 * but only start the verification timeout after the 10635 * target BroadcastReceivers have run. 10636 */ 10637 verification.setComponent(requiredVerifierComponent); 10638 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 10639 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10640 new BroadcastReceiver() { 10641 @Override 10642 public void onReceive(Context context, Intent intent) { 10643 final Message msg = mHandler 10644 .obtainMessage(CHECK_PENDING_VERIFICATION); 10645 msg.arg1 = verificationId; 10646 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10647 } 10648 }, null, 0, null, null); 10649 10650 /* 10651 * We don't want the copy to proceed until verification 10652 * succeeds, so null out this field. 10653 */ 10654 mArgs = null; 10655 } 10656 } else { 10657 /* 10658 * No package verification is enabled, so immediately start 10659 * the remote call to initiate copy using temporary file. 10660 */ 10661 ret = args.copyApk(mContainerService, true); 10662 } 10663 } 10664 10665 mRet = ret; 10666 } 10667 10668 @Override 10669 void handleReturnCode() { 10670 // If mArgs is null, then MCS couldn't be reached. When it 10671 // reconnects, it will try again to install. At that point, this 10672 // will succeed. 10673 if (mArgs != null) { 10674 processPendingInstall(mArgs, mRet); 10675 } 10676 } 10677 10678 @Override 10679 void handleServiceError() { 10680 mArgs = createInstallArgs(this); 10681 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10682 } 10683 10684 public boolean isForwardLocked() { 10685 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10686 } 10687 } 10688 10689 /** 10690 * Used during creation of InstallArgs 10691 * 10692 * @param installFlags package installation flags 10693 * @return true if should be installed on external storage 10694 */ 10695 private static boolean installOnExternalAsec(int installFlags) { 10696 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10697 return false; 10698 } 10699 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10700 return true; 10701 } 10702 return false; 10703 } 10704 10705 /** 10706 * Used during creation of InstallArgs 10707 * 10708 * @param installFlags package installation flags 10709 * @return true if should be installed as forward locked 10710 */ 10711 private static boolean installForwardLocked(int installFlags) { 10712 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10713 } 10714 10715 private InstallArgs createInstallArgs(InstallParams params) { 10716 if (params.move != null) { 10717 return new MoveInstallArgs(params); 10718 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10719 return new AsecInstallArgs(params); 10720 } else { 10721 return new FileInstallArgs(params); 10722 } 10723 } 10724 10725 /** 10726 * Create args that describe an existing installed package. Typically used 10727 * when cleaning up old installs, or used as a move source. 10728 */ 10729 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10730 String resourcePath, String[] instructionSets) { 10731 final boolean isInAsec; 10732 if (installOnExternalAsec(installFlags)) { 10733 /* Apps on SD card are always in ASEC containers. */ 10734 isInAsec = true; 10735 } else if (installForwardLocked(installFlags) 10736 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10737 /* 10738 * Forward-locked apps are only in ASEC containers if they're the 10739 * new style 10740 */ 10741 isInAsec = true; 10742 } else { 10743 isInAsec = false; 10744 } 10745 10746 if (isInAsec) { 10747 return new AsecInstallArgs(codePath, instructionSets, 10748 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10749 } else { 10750 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10751 } 10752 } 10753 10754 static abstract class InstallArgs { 10755 /** @see InstallParams#origin */ 10756 final OriginInfo origin; 10757 /** @see InstallParams#move */ 10758 final MoveInfo move; 10759 10760 final IPackageInstallObserver2 observer; 10761 // Always refers to PackageManager flags only 10762 final int installFlags; 10763 final String installerPackageName; 10764 final String volumeUuid; 10765 final ManifestDigest manifestDigest; 10766 final UserHandle user; 10767 final String abiOverride; 10768 10769 // The list of instruction sets supported by this app. This is currently 10770 // only used during the rmdex() phase to clean up resources. We can get rid of this 10771 // if we move dex files under the common app path. 10772 /* nullable */ String[] instructionSets; 10773 10774 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10775 int installFlags, String installerPackageName, String volumeUuid, 10776 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10777 String abiOverride) { 10778 this.origin = origin; 10779 this.move = move; 10780 this.installFlags = installFlags; 10781 this.observer = observer; 10782 this.installerPackageName = installerPackageName; 10783 this.volumeUuid = volumeUuid; 10784 this.manifestDigest = manifestDigest; 10785 this.user = user; 10786 this.instructionSets = instructionSets; 10787 this.abiOverride = abiOverride; 10788 } 10789 10790 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10791 abstract int doPreInstall(int status); 10792 10793 /** 10794 * Rename package into final resting place. All paths on the given 10795 * scanned package should be updated to reflect the rename. 10796 */ 10797 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10798 abstract int doPostInstall(int status, int uid); 10799 10800 /** @see PackageSettingBase#codePathString */ 10801 abstract String getCodePath(); 10802 /** @see PackageSettingBase#resourcePathString */ 10803 abstract String getResourcePath(); 10804 10805 // Need installer lock especially for dex file removal. 10806 abstract void cleanUpResourcesLI(); 10807 abstract boolean doPostDeleteLI(boolean delete); 10808 10809 /** 10810 * Called before the source arguments are copied. This is used mostly 10811 * for MoveParams when it needs to read the source file to put it in the 10812 * destination. 10813 */ 10814 int doPreCopy() { 10815 return PackageManager.INSTALL_SUCCEEDED; 10816 } 10817 10818 /** 10819 * Called after the source arguments are copied. This is used mostly for 10820 * MoveParams when it needs to read the source file to put it in the 10821 * destination. 10822 * 10823 * @return 10824 */ 10825 int doPostCopy(int uid) { 10826 return PackageManager.INSTALL_SUCCEEDED; 10827 } 10828 10829 protected boolean isFwdLocked() { 10830 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10831 } 10832 10833 protected boolean isExternalAsec() { 10834 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10835 } 10836 10837 UserHandle getUser() { 10838 return user; 10839 } 10840 } 10841 10842 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10843 if (!allCodePaths.isEmpty()) { 10844 if (instructionSets == null) { 10845 throw new IllegalStateException("instructionSet == null"); 10846 } 10847 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10848 for (String codePath : allCodePaths) { 10849 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 10850 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 10851 if (retCode < 0) { 10852 Slog.w(TAG, "Couldn't remove dex file for package: " 10853 + " at location " + codePath + ", retcode=" + retCode); 10854 // we don't consider this to be a failure of the core package deletion 10855 } 10856 } 10857 } 10858 } 10859 } 10860 10861 /** 10862 * Logic to handle installation of non-ASEC applications, including copying 10863 * and renaming logic. 10864 */ 10865 class FileInstallArgs extends InstallArgs { 10866 private File codeFile; 10867 private File resourceFile; 10868 10869 // Example topology: 10870 // /data/app/com.example/base.apk 10871 // /data/app/com.example/split_foo.apk 10872 // /data/app/com.example/lib/arm/libfoo.so 10873 // /data/app/com.example/lib/arm64/libfoo.so 10874 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 10875 10876 /** New install */ 10877 FileInstallArgs(InstallParams params) { 10878 super(params.origin, params.move, params.observer, params.installFlags, 10879 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 10880 params.getUser(), null /* instruction sets */, params.packageAbiOverride); 10881 if (isFwdLocked()) { 10882 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 10883 } 10884 } 10885 10886 /** Existing install */ 10887 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 10888 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 10889 null); 10890 this.codeFile = (codePath != null) ? new File(codePath) : null; 10891 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 10892 } 10893 10894 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 10895 if (origin.staged) { 10896 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 10897 codeFile = origin.file; 10898 resourceFile = origin.file; 10899 return PackageManager.INSTALL_SUCCEEDED; 10900 } 10901 10902 try { 10903 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 10904 codeFile = tempDir; 10905 resourceFile = tempDir; 10906 } catch (IOException e) { 10907 Slog.w(TAG, "Failed to create copy file: " + e); 10908 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10909 } 10910 10911 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 10912 @Override 10913 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 10914 if (!FileUtils.isValidExtFilename(name)) { 10915 throw new IllegalArgumentException("Invalid filename: " + name); 10916 } 10917 try { 10918 final File file = new File(codeFile, name); 10919 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 10920 O_RDWR | O_CREAT, 0644); 10921 Os.chmod(file.getAbsolutePath(), 0644); 10922 return new ParcelFileDescriptor(fd); 10923 } catch (ErrnoException e) { 10924 throw new RemoteException("Failed to open: " + e.getMessage()); 10925 } 10926 } 10927 }; 10928 10929 int ret = PackageManager.INSTALL_SUCCEEDED; 10930 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 10931 if (ret != PackageManager.INSTALL_SUCCEEDED) { 10932 Slog.e(TAG, "Failed to copy package"); 10933 return ret; 10934 } 10935 10936 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 10937 NativeLibraryHelper.Handle handle = null; 10938 try { 10939 handle = NativeLibraryHelper.Handle.create(codeFile); 10940 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 10941 abiOverride); 10942 } catch (IOException e) { 10943 Slog.e(TAG, "Copying native libraries failed", e); 10944 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10945 } finally { 10946 IoUtils.closeQuietly(handle); 10947 } 10948 10949 return ret; 10950 } 10951 10952 int doPreInstall(int status) { 10953 if (status != PackageManager.INSTALL_SUCCEEDED) { 10954 cleanUp(); 10955 } 10956 return status; 10957 } 10958 10959 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 10960 if (status != PackageManager.INSTALL_SUCCEEDED) { 10961 cleanUp(); 10962 return false; 10963 } 10964 10965 final File targetDir = codeFile.getParentFile(); 10966 final File beforeCodeFile = codeFile; 10967 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 10968 10969 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 10970 try { 10971 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 10972 } catch (ErrnoException e) { 10973 Slog.w(TAG, "Failed to rename", e); 10974 return false; 10975 } 10976 10977 if (!SELinux.restoreconRecursive(afterCodeFile)) { 10978 Slog.w(TAG, "Failed to restorecon"); 10979 return false; 10980 } 10981 10982 // Reflect the rename internally 10983 codeFile = afterCodeFile; 10984 resourceFile = afterCodeFile; 10985 10986 // Reflect the rename in scanned details 10987 pkg.codePath = afterCodeFile.getAbsolutePath(); 10988 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10989 pkg.baseCodePath); 10990 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10991 pkg.splitCodePaths); 10992 10993 // Reflect the rename in app info 10994 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 10995 pkg.applicationInfo.setCodePath(pkg.codePath); 10996 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 10997 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 10998 pkg.applicationInfo.setResourcePath(pkg.codePath); 10999 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11000 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11001 11002 return true; 11003 } 11004 11005 int doPostInstall(int status, int uid) { 11006 if (status != PackageManager.INSTALL_SUCCEEDED) { 11007 cleanUp(); 11008 } 11009 return status; 11010 } 11011 11012 @Override 11013 String getCodePath() { 11014 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11015 } 11016 11017 @Override 11018 String getResourcePath() { 11019 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11020 } 11021 11022 private boolean cleanUp() { 11023 if (codeFile == null || !codeFile.exists()) { 11024 return false; 11025 } 11026 11027 if (codeFile.isDirectory()) { 11028 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11029 } else { 11030 codeFile.delete(); 11031 } 11032 11033 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11034 resourceFile.delete(); 11035 } 11036 11037 return true; 11038 } 11039 11040 void cleanUpResourcesLI() { 11041 // Try enumerating all code paths before deleting 11042 List<String> allCodePaths = Collections.EMPTY_LIST; 11043 if (codeFile != null && codeFile.exists()) { 11044 try { 11045 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11046 allCodePaths = pkg.getAllCodePaths(); 11047 } catch (PackageParserException e) { 11048 // Ignored; we tried our best 11049 } 11050 } 11051 11052 cleanUp(); 11053 removeDexFiles(allCodePaths, instructionSets); 11054 } 11055 11056 boolean doPostDeleteLI(boolean delete) { 11057 // XXX err, shouldn't we respect the delete flag? 11058 cleanUpResourcesLI(); 11059 return true; 11060 } 11061 } 11062 11063 private boolean isAsecExternal(String cid) { 11064 final String asecPath = PackageHelper.getSdFilesystem(cid); 11065 return !asecPath.startsWith(mAsecInternalPath); 11066 } 11067 11068 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11069 PackageManagerException { 11070 if (copyRet < 0) { 11071 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11072 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11073 throw new PackageManagerException(copyRet, message); 11074 } 11075 } 11076 } 11077 11078 /** 11079 * Extract the MountService "container ID" from the full code path of an 11080 * .apk. 11081 */ 11082 static String cidFromCodePath(String fullCodePath) { 11083 int eidx = fullCodePath.lastIndexOf("/"); 11084 String subStr1 = fullCodePath.substring(0, eidx); 11085 int sidx = subStr1.lastIndexOf("/"); 11086 return subStr1.substring(sidx+1, eidx); 11087 } 11088 11089 /** 11090 * Logic to handle installation of ASEC applications, including copying and 11091 * renaming logic. 11092 */ 11093 class AsecInstallArgs extends InstallArgs { 11094 static final String RES_FILE_NAME = "pkg.apk"; 11095 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11096 11097 String cid; 11098 String packagePath; 11099 String resourcePath; 11100 11101 /** New install */ 11102 AsecInstallArgs(InstallParams params) { 11103 super(params.origin, params.move, params.observer, params.installFlags, 11104 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11105 params.getUser(), null /* instruction sets */, params.packageAbiOverride); 11106 } 11107 11108 /** Existing install */ 11109 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11110 boolean isExternal, boolean isForwardLocked) { 11111 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11112 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11113 instructionSets, null); 11114 // Hackily pretend we're still looking at a full code path 11115 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11116 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11117 } 11118 11119 // Extract cid from fullCodePath 11120 int eidx = fullCodePath.lastIndexOf("/"); 11121 String subStr1 = fullCodePath.substring(0, eidx); 11122 int sidx = subStr1.lastIndexOf("/"); 11123 cid = subStr1.substring(sidx+1, eidx); 11124 setMountPath(subStr1); 11125 } 11126 11127 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11128 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11129 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11130 instructionSets, null); 11131 this.cid = cid; 11132 setMountPath(PackageHelper.getSdDir(cid)); 11133 } 11134 11135 void createCopyFile() { 11136 cid = mInstallerService.allocateExternalStageCidLegacy(); 11137 } 11138 11139 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11140 if (origin.staged) { 11141 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11142 cid = origin.cid; 11143 setMountPath(PackageHelper.getSdDir(cid)); 11144 return PackageManager.INSTALL_SUCCEEDED; 11145 } 11146 11147 if (temp) { 11148 createCopyFile(); 11149 } else { 11150 /* 11151 * Pre-emptively destroy the container since it's destroyed if 11152 * copying fails due to it existing anyway. 11153 */ 11154 PackageHelper.destroySdDir(cid); 11155 } 11156 11157 final String newMountPath = imcs.copyPackageToContainer( 11158 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11159 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11160 11161 if (newMountPath != null) { 11162 setMountPath(newMountPath); 11163 return PackageManager.INSTALL_SUCCEEDED; 11164 } else { 11165 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11166 } 11167 } 11168 11169 @Override 11170 String getCodePath() { 11171 return packagePath; 11172 } 11173 11174 @Override 11175 String getResourcePath() { 11176 return resourcePath; 11177 } 11178 11179 int doPreInstall(int status) { 11180 if (status != PackageManager.INSTALL_SUCCEEDED) { 11181 // Destroy container 11182 PackageHelper.destroySdDir(cid); 11183 } else { 11184 boolean mounted = PackageHelper.isContainerMounted(cid); 11185 if (!mounted) { 11186 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11187 Process.SYSTEM_UID); 11188 if (newMountPath != null) { 11189 setMountPath(newMountPath); 11190 } else { 11191 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11192 } 11193 } 11194 } 11195 return status; 11196 } 11197 11198 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11199 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11200 String newMountPath = null; 11201 if (PackageHelper.isContainerMounted(cid)) { 11202 // Unmount the container 11203 if (!PackageHelper.unMountSdDir(cid)) { 11204 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11205 return false; 11206 } 11207 } 11208 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11209 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11210 " which might be stale. Will try to clean up."); 11211 // Clean up the stale container and proceed to recreate. 11212 if (!PackageHelper.destroySdDir(newCacheId)) { 11213 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11214 return false; 11215 } 11216 // Successfully cleaned up stale container. Try to rename again. 11217 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11218 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11219 + " inspite of cleaning it up."); 11220 return false; 11221 } 11222 } 11223 if (!PackageHelper.isContainerMounted(newCacheId)) { 11224 Slog.w(TAG, "Mounting container " + newCacheId); 11225 newMountPath = PackageHelper.mountSdDir(newCacheId, 11226 getEncryptKey(), Process.SYSTEM_UID); 11227 } else { 11228 newMountPath = PackageHelper.getSdDir(newCacheId); 11229 } 11230 if (newMountPath == null) { 11231 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11232 return false; 11233 } 11234 Log.i(TAG, "Succesfully renamed " + cid + 11235 " to " + newCacheId + 11236 " at new path: " + newMountPath); 11237 cid = newCacheId; 11238 11239 final File beforeCodeFile = new File(packagePath); 11240 setMountPath(newMountPath); 11241 final File afterCodeFile = new File(packagePath); 11242 11243 // Reflect the rename in scanned details 11244 pkg.codePath = afterCodeFile.getAbsolutePath(); 11245 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11246 pkg.baseCodePath); 11247 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11248 pkg.splitCodePaths); 11249 11250 // Reflect the rename in app info 11251 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11252 pkg.applicationInfo.setCodePath(pkg.codePath); 11253 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11254 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11255 pkg.applicationInfo.setResourcePath(pkg.codePath); 11256 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11257 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11258 11259 return true; 11260 } 11261 11262 private void setMountPath(String mountPath) { 11263 final File mountFile = new File(mountPath); 11264 11265 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11266 if (monolithicFile.exists()) { 11267 packagePath = monolithicFile.getAbsolutePath(); 11268 if (isFwdLocked()) { 11269 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11270 } else { 11271 resourcePath = packagePath; 11272 } 11273 } else { 11274 packagePath = mountFile.getAbsolutePath(); 11275 resourcePath = packagePath; 11276 } 11277 } 11278 11279 int doPostInstall(int status, int uid) { 11280 if (status != PackageManager.INSTALL_SUCCEEDED) { 11281 cleanUp(); 11282 } else { 11283 final int groupOwner; 11284 final String protectedFile; 11285 if (isFwdLocked()) { 11286 groupOwner = UserHandle.getSharedAppGid(uid); 11287 protectedFile = RES_FILE_NAME; 11288 } else { 11289 groupOwner = -1; 11290 protectedFile = null; 11291 } 11292 11293 if (uid < Process.FIRST_APPLICATION_UID 11294 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11295 Slog.e(TAG, "Failed to finalize " + cid); 11296 PackageHelper.destroySdDir(cid); 11297 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11298 } 11299 11300 boolean mounted = PackageHelper.isContainerMounted(cid); 11301 if (!mounted) { 11302 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11303 } 11304 } 11305 return status; 11306 } 11307 11308 private void cleanUp() { 11309 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11310 11311 // Destroy secure container 11312 PackageHelper.destroySdDir(cid); 11313 } 11314 11315 private List<String> getAllCodePaths() { 11316 final File codeFile = new File(getCodePath()); 11317 if (codeFile != null && codeFile.exists()) { 11318 try { 11319 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11320 return pkg.getAllCodePaths(); 11321 } catch (PackageParserException e) { 11322 // Ignored; we tried our best 11323 } 11324 } 11325 return Collections.EMPTY_LIST; 11326 } 11327 11328 void cleanUpResourcesLI() { 11329 // Enumerate all code paths before deleting 11330 cleanUpResourcesLI(getAllCodePaths()); 11331 } 11332 11333 private void cleanUpResourcesLI(List<String> allCodePaths) { 11334 cleanUp(); 11335 removeDexFiles(allCodePaths, instructionSets); 11336 } 11337 11338 String getPackageName() { 11339 return getAsecPackageName(cid); 11340 } 11341 11342 boolean doPostDeleteLI(boolean delete) { 11343 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11344 final List<String> allCodePaths = getAllCodePaths(); 11345 boolean mounted = PackageHelper.isContainerMounted(cid); 11346 if (mounted) { 11347 // Unmount first 11348 if (PackageHelper.unMountSdDir(cid)) { 11349 mounted = false; 11350 } 11351 } 11352 if (!mounted && delete) { 11353 cleanUpResourcesLI(allCodePaths); 11354 } 11355 return !mounted; 11356 } 11357 11358 @Override 11359 int doPreCopy() { 11360 if (isFwdLocked()) { 11361 if (!PackageHelper.fixSdPermissions(cid, 11362 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11363 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11364 } 11365 } 11366 11367 return PackageManager.INSTALL_SUCCEEDED; 11368 } 11369 11370 @Override 11371 int doPostCopy(int uid) { 11372 if (isFwdLocked()) { 11373 if (uid < Process.FIRST_APPLICATION_UID 11374 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11375 RES_FILE_NAME)) { 11376 Slog.e(TAG, "Failed to finalize " + cid); 11377 PackageHelper.destroySdDir(cid); 11378 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11379 } 11380 } 11381 11382 return PackageManager.INSTALL_SUCCEEDED; 11383 } 11384 } 11385 11386 /** 11387 * Logic to handle movement of existing installed applications. 11388 */ 11389 class MoveInstallArgs extends InstallArgs { 11390 private File codeFile; 11391 private File resourceFile; 11392 11393 /** New install */ 11394 MoveInstallArgs(InstallParams params) { 11395 super(params.origin, params.move, params.observer, params.installFlags, 11396 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11397 params.getUser(), null /* instruction sets */, params.packageAbiOverride); 11398 } 11399 11400 int copyApk(IMediaContainerService imcs, boolean temp) { 11401 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11402 + move.fromUuid + " to " + move.toUuid); 11403 synchronized (mInstaller) { 11404 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11405 move.dataAppName, move.appId, move.seinfo) != 0) { 11406 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11407 } 11408 } 11409 11410 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11411 resourceFile = codeFile; 11412 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11413 11414 return PackageManager.INSTALL_SUCCEEDED; 11415 } 11416 11417 int doPreInstall(int status) { 11418 if (status != PackageManager.INSTALL_SUCCEEDED) { 11419 cleanUp(move.toUuid); 11420 } 11421 return status; 11422 } 11423 11424 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11425 if (status != PackageManager.INSTALL_SUCCEEDED) { 11426 cleanUp(move.toUuid); 11427 return false; 11428 } 11429 11430 // Reflect the move in app info 11431 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11432 pkg.applicationInfo.setCodePath(pkg.codePath); 11433 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11434 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11435 pkg.applicationInfo.setResourcePath(pkg.codePath); 11436 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11437 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11438 11439 return true; 11440 } 11441 11442 int doPostInstall(int status, int uid) { 11443 if (status == PackageManager.INSTALL_SUCCEEDED) { 11444 cleanUp(move.fromUuid); 11445 } else { 11446 cleanUp(move.toUuid); 11447 } 11448 return status; 11449 } 11450 11451 @Override 11452 String getCodePath() { 11453 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11454 } 11455 11456 @Override 11457 String getResourcePath() { 11458 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11459 } 11460 11461 private boolean cleanUp(String volumeUuid) { 11462 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11463 move.dataAppName); 11464 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11465 synchronized (mInstallLock) { 11466 // Clean up both app data and code 11467 removeDataDirsLI(volumeUuid, move.packageName); 11468 if (codeFile.isDirectory()) { 11469 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11470 } else { 11471 codeFile.delete(); 11472 } 11473 } 11474 return true; 11475 } 11476 11477 void cleanUpResourcesLI() { 11478 throw new UnsupportedOperationException(); 11479 } 11480 11481 boolean doPostDeleteLI(boolean delete) { 11482 throw new UnsupportedOperationException(); 11483 } 11484 } 11485 11486 static String getAsecPackageName(String packageCid) { 11487 int idx = packageCid.lastIndexOf("-"); 11488 if (idx == -1) { 11489 return packageCid; 11490 } 11491 return packageCid.substring(0, idx); 11492 } 11493 11494 // Utility method used to create code paths based on package name and available index. 11495 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11496 String idxStr = ""; 11497 int idx = 1; 11498 // Fall back to default value of idx=1 if prefix is not 11499 // part of oldCodePath 11500 if (oldCodePath != null) { 11501 String subStr = oldCodePath; 11502 // Drop the suffix right away 11503 if (suffix != null && subStr.endsWith(suffix)) { 11504 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11505 } 11506 // If oldCodePath already contains prefix find out the 11507 // ending index to either increment or decrement. 11508 int sidx = subStr.lastIndexOf(prefix); 11509 if (sidx != -1) { 11510 subStr = subStr.substring(sidx + prefix.length()); 11511 if (subStr != null) { 11512 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11513 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11514 } 11515 try { 11516 idx = Integer.parseInt(subStr); 11517 if (idx <= 1) { 11518 idx++; 11519 } else { 11520 idx--; 11521 } 11522 } catch(NumberFormatException e) { 11523 } 11524 } 11525 } 11526 } 11527 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11528 return prefix + idxStr; 11529 } 11530 11531 private File getNextCodePath(File targetDir, String packageName) { 11532 int suffix = 1; 11533 File result; 11534 do { 11535 result = new File(targetDir, packageName + "-" + suffix); 11536 suffix++; 11537 } while (result.exists()); 11538 return result; 11539 } 11540 11541 // Utility method that returns the relative package path with respect 11542 // to the installation directory. Like say for /data/data/com.test-1.apk 11543 // string com.test-1 is returned. 11544 static String deriveCodePathName(String codePath) { 11545 if (codePath == null) { 11546 return null; 11547 } 11548 final File codeFile = new File(codePath); 11549 final String name = codeFile.getName(); 11550 if (codeFile.isDirectory()) { 11551 return name; 11552 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11553 final int lastDot = name.lastIndexOf('.'); 11554 return name.substring(0, lastDot); 11555 } else { 11556 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11557 return null; 11558 } 11559 } 11560 11561 class PackageInstalledInfo { 11562 String name; 11563 int uid; 11564 // The set of users that originally had this package installed. 11565 int[] origUsers; 11566 // The set of users that now have this package installed. 11567 int[] newUsers; 11568 PackageParser.Package pkg; 11569 int returnCode; 11570 String returnMsg; 11571 PackageRemovedInfo removedInfo; 11572 11573 public void setError(int code, String msg) { 11574 returnCode = code; 11575 returnMsg = msg; 11576 Slog.w(TAG, msg); 11577 } 11578 11579 public void setError(String msg, PackageParserException e) { 11580 returnCode = e.error; 11581 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11582 Slog.w(TAG, msg, e); 11583 } 11584 11585 public void setError(String msg, PackageManagerException e) { 11586 returnCode = e.error; 11587 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11588 Slog.w(TAG, msg, e); 11589 } 11590 11591 // In some error cases we want to convey more info back to the observer 11592 String origPackage; 11593 String origPermission; 11594 } 11595 11596 /* 11597 * Install a non-existing package. 11598 */ 11599 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11600 UserHandle user, String installerPackageName, String volumeUuid, 11601 PackageInstalledInfo res) { 11602 // Remember this for later, in case we need to rollback this install 11603 String pkgName = pkg.packageName; 11604 11605 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11606 final boolean dataDirExists = Environment 11607 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11608 synchronized(mPackages) { 11609 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11610 // A package with the same name is already installed, though 11611 // it has been renamed to an older name. The package we 11612 // are trying to install should be installed as an update to 11613 // the existing one, but that has not been requested, so bail. 11614 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11615 + " without first uninstalling package running as " 11616 + mSettings.mRenamedPackages.get(pkgName)); 11617 return; 11618 } 11619 if (mPackages.containsKey(pkgName)) { 11620 // Don't allow installation over an existing package with the same name. 11621 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11622 + " without first uninstalling."); 11623 return; 11624 } 11625 } 11626 11627 try { 11628 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11629 System.currentTimeMillis(), user); 11630 11631 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11632 // delete the partially installed application. the data directory will have to be 11633 // restored if it was already existing 11634 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11635 // remove package from internal structures. Note that we want deletePackageX to 11636 // delete the package data and cache directories that it created in 11637 // scanPackageLocked, unless those directories existed before we even tried to 11638 // install. 11639 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11640 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11641 res.removedInfo, true); 11642 } 11643 11644 } catch (PackageManagerException e) { 11645 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11646 } 11647 } 11648 11649 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11650 // Can't rotate keys during boot or if sharedUser. 11651 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11652 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11653 return false; 11654 } 11655 // app is using upgradeKeySets; make sure all are valid 11656 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11657 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11658 for (int i = 0; i < upgradeKeySets.length; i++) { 11659 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11660 Slog.wtf(TAG, "Package " 11661 + (oldPs.name != null ? oldPs.name : "<null>") 11662 + " contains upgrade-key-set reference to unknown key-set: " 11663 + upgradeKeySets[i] 11664 + " reverting to signatures check."); 11665 return false; 11666 } 11667 } 11668 return true; 11669 } 11670 11671 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11672 // Upgrade keysets are being used. Determine if new package has a superset of the 11673 // required keys. 11674 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11675 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11676 for (int i = 0; i < upgradeKeySets.length; i++) { 11677 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11678 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11679 return true; 11680 } 11681 } 11682 return false; 11683 } 11684 11685 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11686 UserHandle user, String installerPackageName, String volumeUuid, 11687 PackageInstalledInfo res) { 11688 final PackageParser.Package oldPackage; 11689 final String pkgName = pkg.packageName; 11690 final int[] allUsers; 11691 final boolean[] perUserInstalled; 11692 final boolean weFroze; 11693 11694 // First find the old package info and check signatures 11695 synchronized(mPackages) { 11696 oldPackage = mPackages.get(pkgName); 11697 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11698 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11699 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11700 if(!checkUpgradeKeySetLP(ps, pkg)) { 11701 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11702 "New package not signed by keys specified by upgrade-keysets: " 11703 + pkgName); 11704 return; 11705 } 11706 } else { 11707 // default to original signature matching 11708 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11709 != PackageManager.SIGNATURE_MATCH) { 11710 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11711 "New package has a different signature: " + pkgName); 11712 return; 11713 } 11714 } 11715 11716 // In case of rollback, remember per-user/profile install state 11717 allUsers = sUserManager.getUserIds(); 11718 perUserInstalled = new boolean[allUsers.length]; 11719 for (int i = 0; i < allUsers.length; i++) { 11720 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11721 } 11722 11723 // Mark the app as frozen to prevent launching during the upgrade 11724 // process, and then kill all running instances 11725 if (!ps.frozen) { 11726 ps.frozen = true; 11727 weFroze = true; 11728 } else { 11729 weFroze = false; 11730 } 11731 } 11732 11733 // Now that we're guarded by frozen state, kill app during upgrade 11734 killApplication(pkgName, oldPackage.applicationInfo.uid, "replace pkg"); 11735 11736 try { 11737 boolean sysPkg = (isSystemApp(oldPackage)); 11738 if (sysPkg) { 11739 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11740 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11741 } else { 11742 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11743 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11744 } 11745 } finally { 11746 // Regardless of success or failure of upgrade steps above, always 11747 // unfreeze the package if we froze it 11748 if (weFroze) { 11749 unfreezePackage(pkgName); 11750 } 11751 } 11752 } 11753 11754 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11755 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11756 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11757 String volumeUuid, PackageInstalledInfo res) { 11758 String pkgName = deletedPackage.packageName; 11759 boolean deletedPkg = true; 11760 boolean updatedSettings = false; 11761 11762 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11763 + deletedPackage); 11764 long origUpdateTime; 11765 if (pkg.mExtras != null) { 11766 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11767 } else { 11768 origUpdateTime = 0; 11769 } 11770 11771 // First delete the existing package while retaining the data directory 11772 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11773 res.removedInfo, true)) { 11774 // If the existing package wasn't successfully deleted 11775 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11776 deletedPkg = false; 11777 } else { 11778 // Successfully deleted the old package; proceed with replace. 11779 11780 // If deleted package lived in a container, give users a chance to 11781 // relinquish resources before killing. 11782 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11783 if (DEBUG_INSTALL) { 11784 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11785 } 11786 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11787 final ArrayList<String> pkgList = new ArrayList<String>(1); 11788 pkgList.add(deletedPackage.applicationInfo.packageName); 11789 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11790 } 11791 11792 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11793 try { 11794 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11795 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11796 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11797 perUserInstalled, res, user); 11798 updatedSettings = true; 11799 } catch (PackageManagerException e) { 11800 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11801 } 11802 } 11803 11804 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11805 // remove package from internal structures. Note that we want deletePackageX to 11806 // delete the package data and cache directories that it created in 11807 // scanPackageLocked, unless those directories existed before we even tried to 11808 // install. 11809 if(updatedSettings) { 11810 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11811 deletePackageLI( 11812 pkgName, null, true, allUsers, perUserInstalled, 11813 PackageManager.DELETE_KEEP_DATA, 11814 res.removedInfo, true); 11815 } 11816 // Since we failed to install the new package we need to restore the old 11817 // package that we deleted. 11818 if (deletedPkg) { 11819 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11820 File restoreFile = new File(deletedPackage.codePath); 11821 // Parse old package 11822 boolean oldExternal = isExternal(deletedPackage); 11823 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11824 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11825 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11826 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11827 try { 11828 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11829 } catch (PackageManagerException e) { 11830 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11831 + e.getMessage()); 11832 return; 11833 } 11834 // Restore of old package succeeded. Update permissions. 11835 // writer 11836 synchronized (mPackages) { 11837 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11838 UPDATE_PERMISSIONS_ALL); 11839 // can downgrade to reader 11840 mSettings.writeLPr(); 11841 } 11842 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11843 } 11844 } 11845 } 11846 11847 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11848 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11849 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11850 String volumeUuid, PackageInstalledInfo res) { 11851 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11852 + ", old=" + deletedPackage); 11853 boolean disabledSystem = false; 11854 boolean updatedSettings = false; 11855 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11856 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11857 != 0) { 11858 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11859 } 11860 String packageName = deletedPackage.packageName; 11861 if (packageName == null) { 11862 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11863 "Attempt to delete null packageName."); 11864 return; 11865 } 11866 PackageParser.Package oldPkg; 11867 PackageSetting oldPkgSetting; 11868 // reader 11869 synchronized (mPackages) { 11870 oldPkg = mPackages.get(packageName); 11871 oldPkgSetting = mSettings.mPackages.get(packageName); 11872 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 11873 (oldPkgSetting == null)) { 11874 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11875 "Couldn't find package:" + packageName + " information"); 11876 return; 11877 } 11878 } 11879 11880 res.removedInfo.uid = oldPkg.applicationInfo.uid; 11881 res.removedInfo.removedPackage = packageName; 11882 // Remove existing system package 11883 removePackageLI(oldPkgSetting, true); 11884 // writer 11885 synchronized (mPackages) { 11886 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 11887 if (!disabledSystem && deletedPackage != null) { 11888 // We didn't need to disable the .apk as a current system package, 11889 // which means we are replacing another update that is already 11890 // installed. We need to make sure to delete the older one's .apk. 11891 res.removedInfo.args = createInstallArgsForExisting(0, 11892 deletedPackage.applicationInfo.getCodePath(), 11893 deletedPackage.applicationInfo.getResourcePath(), 11894 getAppDexInstructionSets(deletedPackage.applicationInfo)); 11895 } else { 11896 res.removedInfo.args = null; 11897 } 11898 } 11899 11900 // Successfully disabled the old package. Now proceed with re-installation 11901 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 11902 11903 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 11904 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 11905 11906 PackageParser.Package newPackage = null; 11907 try { 11908 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 11909 if (newPackage.mExtras != null) { 11910 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 11911 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 11912 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 11913 11914 // is the update attempting to change shared user? that isn't going to work... 11915 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 11916 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 11917 "Forbidding shared user change from " + oldPkgSetting.sharedUser 11918 + " to " + newPkgSetting.sharedUser); 11919 updatedSettings = true; 11920 } 11921 } 11922 11923 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11924 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11925 perUserInstalled, res, user); 11926 updatedSettings = true; 11927 } 11928 11929 } catch (PackageManagerException e) { 11930 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11931 } 11932 11933 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11934 // Re installation failed. Restore old information 11935 // Remove new pkg information 11936 if (newPackage != null) { 11937 removeInstalledPackageLI(newPackage, true); 11938 } 11939 // Add back the old system package 11940 try { 11941 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 11942 } catch (PackageManagerException e) { 11943 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 11944 } 11945 // Restore the old system information in Settings 11946 synchronized (mPackages) { 11947 if (disabledSystem) { 11948 mSettings.enableSystemPackageLPw(packageName); 11949 } 11950 if (updatedSettings) { 11951 mSettings.setInstallerPackageName(packageName, 11952 oldPkgSetting.installerPackageName); 11953 } 11954 mSettings.writeLPr(); 11955 } 11956 } 11957 } 11958 11959 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 11960 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 11961 UserHandle user) { 11962 String pkgName = newPackage.packageName; 11963 synchronized (mPackages) { 11964 //write settings. the installStatus will be incomplete at this stage. 11965 //note that the new package setting would have already been 11966 //added to mPackages. It hasn't been persisted yet. 11967 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 11968 mSettings.writeLPr(); 11969 } 11970 11971 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 11972 11973 synchronized (mPackages) { 11974 updatePermissionsLPw(newPackage.packageName, newPackage, 11975 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 11976 ? UPDATE_PERMISSIONS_ALL : 0)); 11977 // For system-bundled packages, we assume that installing an upgraded version 11978 // of the package implies that the user actually wants to run that new code, 11979 // so we enable the package. 11980 PackageSetting ps = mSettings.mPackages.get(pkgName); 11981 if (ps != null) { 11982 if (isSystemApp(newPackage)) { 11983 // NB: implicit assumption that system package upgrades apply to all users 11984 if (DEBUG_INSTALL) { 11985 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 11986 } 11987 if (res.origUsers != null) { 11988 for (int userHandle : res.origUsers) { 11989 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 11990 userHandle, installerPackageName); 11991 } 11992 } 11993 // Also convey the prior install/uninstall state 11994 if (allUsers != null && perUserInstalled != null) { 11995 for (int i = 0; i < allUsers.length; i++) { 11996 if (DEBUG_INSTALL) { 11997 Slog.d(TAG, " user " + allUsers[i] 11998 + " => " + perUserInstalled[i]); 11999 } 12000 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12001 } 12002 // these install state changes will be persisted in the 12003 // upcoming call to mSettings.writeLPr(). 12004 } 12005 } 12006 // It's implied that when a user requests installation, they want the app to be 12007 // installed and enabled. 12008 int userId = user.getIdentifier(); 12009 if (userId != UserHandle.USER_ALL) { 12010 ps.setInstalled(true, userId); 12011 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12012 } 12013 } 12014 res.name = pkgName; 12015 res.uid = newPackage.applicationInfo.uid; 12016 res.pkg = newPackage; 12017 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12018 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12019 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12020 //to update install status 12021 mSettings.writeLPr(); 12022 } 12023 } 12024 12025 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12026 final int installFlags = args.installFlags; 12027 final String installerPackageName = args.installerPackageName; 12028 final String volumeUuid = args.volumeUuid; 12029 final File tmpPackageFile = new File(args.getCodePath()); 12030 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12031 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12032 || (args.volumeUuid != null)); 12033 boolean replace = false; 12034 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12035 if (args.move != null) { 12036 // moving a complete application; perfom an initial scan on the new install location 12037 scanFlags |= SCAN_INITIAL; 12038 } 12039 // Result object to be returned 12040 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12041 12042 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12043 // Retrieve PackageSettings and parse package 12044 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12045 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12046 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12047 PackageParser pp = new PackageParser(); 12048 pp.setSeparateProcesses(mSeparateProcesses); 12049 pp.setDisplayMetrics(mMetrics); 12050 12051 final PackageParser.Package pkg; 12052 try { 12053 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12054 } catch (PackageParserException e) { 12055 res.setError("Failed parse during installPackageLI", e); 12056 return; 12057 } 12058 12059 // Mark that we have an install time CPU ABI override. 12060 pkg.cpuAbiOverride = args.abiOverride; 12061 12062 String pkgName = res.name = pkg.packageName; 12063 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12064 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12065 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12066 return; 12067 } 12068 } 12069 12070 try { 12071 pp.collectCertificates(pkg, parseFlags); 12072 pp.collectManifestDigest(pkg); 12073 } catch (PackageParserException e) { 12074 res.setError("Failed collect during installPackageLI", e); 12075 return; 12076 } 12077 12078 /* If the installer passed in a manifest digest, compare it now. */ 12079 if (args.manifestDigest != null) { 12080 if (DEBUG_INSTALL) { 12081 final String parsedManifest = pkg.manifestDigest == null ? "null" 12082 : pkg.manifestDigest.toString(); 12083 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12084 + parsedManifest); 12085 } 12086 12087 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12088 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12089 return; 12090 } 12091 } else if (DEBUG_INSTALL) { 12092 final String parsedManifest = pkg.manifestDigest == null 12093 ? "null" : pkg.manifestDigest.toString(); 12094 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12095 } 12096 12097 // Get rid of all references to package scan path via parser. 12098 pp = null; 12099 String oldCodePath = null; 12100 boolean systemApp = false; 12101 synchronized (mPackages) { 12102 // Check if installing already existing package 12103 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12104 String oldName = mSettings.mRenamedPackages.get(pkgName); 12105 if (pkg.mOriginalPackages != null 12106 && pkg.mOriginalPackages.contains(oldName) 12107 && mPackages.containsKey(oldName)) { 12108 // This package is derived from an original package, 12109 // and this device has been updating from that original 12110 // name. We must continue using the original name, so 12111 // rename the new package here. 12112 pkg.setPackageName(oldName); 12113 pkgName = pkg.packageName; 12114 replace = true; 12115 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12116 + oldName + " pkgName=" + pkgName); 12117 } else if (mPackages.containsKey(pkgName)) { 12118 // This package, under its official name, already exists 12119 // on the device; we should replace it. 12120 replace = true; 12121 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12122 } 12123 12124 // Prevent apps opting out from runtime permissions 12125 if (replace) { 12126 PackageParser.Package oldPackage = mPackages.get(pkgName); 12127 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12128 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12129 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12130 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12131 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12132 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12133 + " doesn't support runtime permissions but the old" 12134 + " target SDK " + oldTargetSdk + " does."); 12135 return; 12136 } 12137 } 12138 } 12139 12140 PackageSetting ps = mSettings.mPackages.get(pkgName); 12141 if (ps != null) { 12142 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12143 12144 // Quick sanity check that we're signed correctly if updating; 12145 // we'll check this again later when scanning, but we want to 12146 // bail early here before tripping over redefined permissions. 12147 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12148 if (!checkUpgradeKeySetLP(ps, pkg)) { 12149 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12150 + pkg.packageName + " upgrade keys do not match the " 12151 + "previously installed version"); 12152 return; 12153 } 12154 } else { 12155 try { 12156 verifySignaturesLP(ps, pkg); 12157 } catch (PackageManagerException e) { 12158 res.setError(e.error, e.getMessage()); 12159 return; 12160 } 12161 } 12162 12163 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12164 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12165 systemApp = (ps.pkg.applicationInfo.flags & 12166 ApplicationInfo.FLAG_SYSTEM) != 0; 12167 } 12168 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12169 } 12170 12171 // Check whether the newly-scanned package wants to define an already-defined perm 12172 int N = pkg.permissions.size(); 12173 for (int i = N-1; i >= 0; i--) { 12174 PackageParser.Permission perm = pkg.permissions.get(i); 12175 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12176 if (bp != null) { 12177 // If the defining package is signed with our cert, it's okay. This 12178 // also includes the "updating the same package" case, of course. 12179 // "updating same package" could also involve key-rotation. 12180 final boolean sigsOk; 12181 if (bp.sourcePackage.equals(pkg.packageName) 12182 && (bp.packageSetting instanceof PackageSetting) 12183 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12184 scanFlags))) { 12185 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12186 } else { 12187 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12188 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12189 } 12190 if (!sigsOk) { 12191 // If the owning package is the system itself, we log but allow 12192 // install to proceed; we fail the install on all other permission 12193 // redefinitions. 12194 if (!bp.sourcePackage.equals("android")) { 12195 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12196 + pkg.packageName + " attempting to redeclare permission " 12197 + perm.info.name + " already owned by " + bp.sourcePackage); 12198 res.origPermission = perm.info.name; 12199 res.origPackage = bp.sourcePackage; 12200 return; 12201 } else { 12202 Slog.w(TAG, "Package " + pkg.packageName 12203 + " attempting to redeclare system permission " 12204 + perm.info.name + "; ignoring new declaration"); 12205 pkg.permissions.remove(i); 12206 } 12207 } 12208 } 12209 } 12210 12211 } 12212 12213 if (systemApp && onExternal) { 12214 // Disable updates to system apps on sdcard 12215 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12216 "Cannot install updates to system apps on sdcard"); 12217 return; 12218 } 12219 12220 if (args.move != null) { 12221 // We did an in-place move, so dex is ready to roll 12222 scanFlags |= SCAN_NO_DEX; 12223 scanFlags |= SCAN_MOVE; 12224 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12225 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12226 scanFlags |= SCAN_NO_DEX; 12227 12228 try { 12229 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12230 true /* extract libs */); 12231 } catch (PackageManagerException pme) { 12232 Slog.e(TAG, "Error deriving application ABI", pme); 12233 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12234 return; 12235 } 12236 12237 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12238 int result = mPackageDexOptimizer 12239 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12240 false /* defer */, false /* inclDependencies */); 12241 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12242 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12243 return; 12244 } 12245 } 12246 12247 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12248 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12249 return; 12250 } 12251 12252 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12253 12254 if (replace) { 12255 replacePackageLI(pkg, parseFlags, scanFlags, args.user, 12256 installerPackageName, volumeUuid, res); 12257 } else { 12258 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12259 args.user, installerPackageName, volumeUuid, res); 12260 } 12261 synchronized (mPackages) { 12262 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12263 if (ps != null) { 12264 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12265 } 12266 } 12267 } 12268 12269 private void startIntentFilterVerifications(int userId, boolean replacing, 12270 PackageParser.Package pkg) { 12271 if (mIntentFilterVerifierComponent == null) { 12272 Slog.w(TAG, "No IntentFilter verification will not be done as " 12273 + "there is no IntentFilterVerifier available!"); 12274 return; 12275 } 12276 12277 final int verifierUid = getPackageUid( 12278 mIntentFilterVerifierComponent.getPackageName(), 12279 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12280 12281 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12282 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12283 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12284 mHandler.sendMessage(msg); 12285 } 12286 12287 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12288 PackageParser.Package pkg) { 12289 int size = pkg.activities.size(); 12290 if (size == 0) { 12291 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12292 "No activity, so no need to verify any IntentFilter!"); 12293 return; 12294 } 12295 12296 final boolean hasDomainURLs = hasDomainURLs(pkg); 12297 if (!hasDomainURLs) { 12298 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12299 "No domain URLs, so no need to verify any IntentFilter!"); 12300 return; 12301 } 12302 12303 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12304 + " if any IntentFilter from the " + size 12305 + " Activities needs verification ..."); 12306 12307 int count = 0; 12308 final String packageName = pkg.packageName; 12309 12310 synchronized (mPackages) { 12311 // If this is a new install and we see that we've already run verification for this 12312 // package, we have nothing to do: it means the state was restored from backup. 12313 if (!replacing) { 12314 IntentFilterVerificationInfo ivi = 12315 mSettings.getIntentFilterVerificationLPr(packageName); 12316 if (ivi != null) { 12317 if (DEBUG_DOMAIN_VERIFICATION) { 12318 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12319 + ivi.getStatusString()); 12320 } 12321 return; 12322 } 12323 } 12324 12325 // If any filters need to be verified, then all need to be. 12326 boolean needToVerify = false; 12327 for (PackageParser.Activity a : pkg.activities) { 12328 for (ActivityIntentInfo filter : a.intents) { 12329 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12330 if (DEBUG_DOMAIN_VERIFICATION) { 12331 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12332 } 12333 needToVerify = true; 12334 break; 12335 } 12336 } 12337 } 12338 12339 if (needToVerify) { 12340 final int verificationId = mIntentFilterVerificationToken++; 12341 for (PackageParser.Activity a : pkg.activities) { 12342 for (ActivityIntentInfo filter : a.intents) { 12343 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12344 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12345 "Verification needed for IntentFilter:" + filter.toString()); 12346 mIntentFilterVerifier.addOneIntentFilterVerification( 12347 verifierUid, userId, verificationId, filter, packageName); 12348 count++; 12349 } 12350 } 12351 } 12352 } 12353 } 12354 12355 if (count > 0) { 12356 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12357 + " IntentFilter verification" + (count > 1 ? "s" : "") 12358 + " for userId:" + userId); 12359 mIntentFilterVerifier.startVerifications(userId); 12360 } else { 12361 if (DEBUG_DOMAIN_VERIFICATION) { 12362 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12363 } 12364 } 12365 } 12366 12367 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12368 final ComponentName cn = filter.activity.getComponentName(); 12369 final String packageName = cn.getPackageName(); 12370 12371 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12372 packageName); 12373 if (ivi == null) { 12374 return true; 12375 } 12376 int status = ivi.getStatus(); 12377 switch (status) { 12378 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12379 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12380 return true; 12381 12382 default: 12383 // Nothing to do 12384 return false; 12385 } 12386 } 12387 12388 private static boolean isMultiArch(PackageSetting ps) { 12389 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12390 } 12391 12392 private static boolean isMultiArch(ApplicationInfo info) { 12393 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12394 } 12395 12396 private static boolean isExternal(PackageParser.Package pkg) { 12397 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12398 } 12399 12400 private static boolean isExternal(PackageSetting ps) { 12401 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12402 } 12403 12404 private static boolean isExternal(ApplicationInfo info) { 12405 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12406 } 12407 12408 private static boolean isSystemApp(PackageParser.Package pkg) { 12409 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12410 } 12411 12412 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12413 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12414 } 12415 12416 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12417 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12418 } 12419 12420 private static boolean isSystemApp(PackageSetting ps) { 12421 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12422 } 12423 12424 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12425 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12426 } 12427 12428 private int packageFlagsToInstallFlags(PackageSetting ps) { 12429 int installFlags = 0; 12430 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12431 // This existing package was an external ASEC install when we have 12432 // the external flag without a UUID 12433 installFlags |= PackageManager.INSTALL_EXTERNAL; 12434 } 12435 if (ps.isForwardLocked()) { 12436 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12437 } 12438 return installFlags; 12439 } 12440 12441 private void deleteTempPackageFiles() { 12442 final FilenameFilter filter = new FilenameFilter() { 12443 public boolean accept(File dir, String name) { 12444 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12445 } 12446 }; 12447 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12448 file.delete(); 12449 } 12450 } 12451 12452 @Override 12453 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12454 int flags) { 12455 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12456 flags); 12457 } 12458 12459 @Override 12460 public void deletePackage(final String packageName, 12461 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12462 mContext.enforceCallingOrSelfPermission( 12463 android.Manifest.permission.DELETE_PACKAGES, null); 12464 Preconditions.checkNotNull(packageName); 12465 Preconditions.checkNotNull(observer); 12466 final int uid = Binder.getCallingUid(); 12467 if (UserHandle.getUserId(uid) != userId) { 12468 mContext.enforceCallingPermission( 12469 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12470 "deletePackage for user " + userId); 12471 } 12472 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12473 try { 12474 observer.onPackageDeleted(packageName, 12475 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12476 } catch (RemoteException re) { 12477 } 12478 return; 12479 } 12480 12481 boolean uninstallBlocked = false; 12482 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12483 int[] users = sUserManager.getUserIds(); 12484 for (int i = 0; i < users.length; ++i) { 12485 if (getBlockUninstallForUser(packageName, users[i])) { 12486 uninstallBlocked = true; 12487 break; 12488 } 12489 } 12490 } else { 12491 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12492 } 12493 if (uninstallBlocked) { 12494 try { 12495 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12496 null); 12497 } catch (RemoteException re) { 12498 } 12499 return; 12500 } 12501 12502 if (DEBUG_REMOVE) { 12503 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12504 } 12505 // Queue up an async operation since the package deletion may take a little while. 12506 mHandler.post(new Runnable() { 12507 public void run() { 12508 mHandler.removeCallbacks(this); 12509 final int returnCode = deletePackageX(packageName, userId, flags); 12510 if (observer != null) { 12511 try { 12512 observer.onPackageDeleted(packageName, returnCode, null); 12513 } catch (RemoteException e) { 12514 Log.i(TAG, "Observer no longer exists."); 12515 } //end catch 12516 } //end if 12517 } //end run 12518 }); 12519 } 12520 12521 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12522 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12523 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12524 try { 12525 if (dpm != null) { 12526 if (dpm.isDeviceOwner(packageName)) { 12527 return true; 12528 } 12529 int[] users; 12530 if (userId == UserHandle.USER_ALL) { 12531 users = sUserManager.getUserIds(); 12532 } else { 12533 users = new int[]{userId}; 12534 } 12535 for (int i = 0; i < users.length; ++i) { 12536 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12537 return true; 12538 } 12539 } 12540 } 12541 } catch (RemoteException e) { 12542 } 12543 return false; 12544 } 12545 12546 /** 12547 * This method is an internal method that could be get invoked either 12548 * to delete an installed package or to clean up a failed installation. 12549 * After deleting an installed package, a broadcast is sent to notify any 12550 * listeners that the package has been installed. For cleaning up a failed 12551 * installation, the broadcast is not necessary since the package's 12552 * installation wouldn't have sent the initial broadcast either 12553 * The key steps in deleting a package are 12554 * deleting the package information in internal structures like mPackages, 12555 * deleting the packages base directories through installd 12556 * updating mSettings to reflect current status 12557 * persisting settings for later use 12558 * sending a broadcast if necessary 12559 */ 12560 private int deletePackageX(String packageName, int userId, int flags) { 12561 final PackageRemovedInfo info = new PackageRemovedInfo(); 12562 final boolean res; 12563 12564 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12565 ? UserHandle.ALL : new UserHandle(userId); 12566 12567 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12568 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12569 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12570 } 12571 12572 boolean removedForAllUsers = false; 12573 boolean systemUpdate = false; 12574 12575 // for the uninstall-updates case and restricted profiles, remember the per- 12576 // userhandle installed state 12577 int[] allUsers; 12578 boolean[] perUserInstalled; 12579 synchronized (mPackages) { 12580 PackageSetting ps = mSettings.mPackages.get(packageName); 12581 allUsers = sUserManager.getUserIds(); 12582 perUserInstalled = new boolean[allUsers.length]; 12583 for (int i = 0; i < allUsers.length; i++) { 12584 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12585 } 12586 } 12587 12588 synchronized (mInstallLock) { 12589 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12590 res = deletePackageLI(packageName, removeForUser, 12591 true, allUsers, perUserInstalled, 12592 flags | REMOVE_CHATTY, info, true); 12593 systemUpdate = info.isRemovedPackageSystemUpdate; 12594 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12595 removedForAllUsers = true; 12596 } 12597 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12598 + " removedForAllUsers=" + removedForAllUsers); 12599 } 12600 12601 if (res) { 12602 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12603 12604 // If the removed package was a system update, the old system package 12605 // was re-enabled; we need to broadcast this information 12606 if (systemUpdate) { 12607 Bundle extras = new Bundle(1); 12608 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12609 ? info.removedAppId : info.uid); 12610 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12611 12612 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12613 extras, null, null, null); 12614 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12615 extras, null, null, null); 12616 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12617 null, packageName, null, null); 12618 } 12619 } 12620 // Force a gc here. 12621 Runtime.getRuntime().gc(); 12622 // Delete the resources here after sending the broadcast to let 12623 // other processes clean up before deleting resources. 12624 if (info.args != null) { 12625 synchronized (mInstallLock) { 12626 info.args.doPostDeleteLI(true); 12627 } 12628 } 12629 12630 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12631 } 12632 12633 class PackageRemovedInfo { 12634 String removedPackage; 12635 int uid = -1; 12636 int removedAppId = -1; 12637 int[] removedUsers = null; 12638 boolean isRemovedPackageSystemUpdate = false; 12639 // Clean up resources deleted packages. 12640 InstallArgs args = null; 12641 12642 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12643 Bundle extras = new Bundle(1); 12644 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12645 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12646 if (replacing) { 12647 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12648 } 12649 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12650 if (removedPackage != null) { 12651 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12652 extras, null, null, removedUsers); 12653 if (fullRemove && !replacing) { 12654 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12655 extras, null, null, removedUsers); 12656 } 12657 } 12658 if (removedAppId >= 0) { 12659 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12660 removedUsers); 12661 } 12662 } 12663 } 12664 12665 /* 12666 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12667 * flag is not set, the data directory is removed as well. 12668 * make sure this flag is set for partially installed apps. If not its meaningless to 12669 * delete a partially installed application. 12670 */ 12671 private void removePackageDataLI(PackageSetting ps, 12672 int[] allUserHandles, boolean[] perUserInstalled, 12673 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12674 String packageName = ps.name; 12675 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12676 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12677 // Retrieve object to delete permissions for shared user later on 12678 final PackageSetting deletedPs; 12679 // reader 12680 synchronized (mPackages) { 12681 deletedPs = mSettings.mPackages.get(packageName); 12682 if (outInfo != null) { 12683 outInfo.removedPackage = packageName; 12684 outInfo.removedUsers = deletedPs != null 12685 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12686 : null; 12687 } 12688 } 12689 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12690 removeDataDirsLI(ps.volumeUuid, packageName); 12691 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12692 } 12693 // writer 12694 synchronized (mPackages) { 12695 if (deletedPs != null) { 12696 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12697 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12698 clearDefaultBrowserIfNeeded(packageName); 12699 if (outInfo != null) { 12700 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12701 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12702 } 12703 updatePermissionsLPw(deletedPs.name, null, 0); 12704 if (deletedPs.sharedUser != null) { 12705 // Remove permissions associated with package. Since runtime 12706 // permissions are per user we have to kill the removed package 12707 // or packages running under the shared user of the removed 12708 // package if revoking the permissions requested only by the removed 12709 // package is successful and this causes a change in gids. 12710 for (int userId : UserManagerService.getInstance().getUserIds()) { 12711 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12712 userId); 12713 if (userIdToKill == UserHandle.USER_ALL 12714 || userIdToKill >= UserHandle.USER_OWNER) { 12715 // If gids changed for this user, kill all affected packages. 12716 mHandler.post(new Runnable() { 12717 @Override 12718 public void run() { 12719 // This has to happen with no lock held. 12720 killSettingPackagesForUser(deletedPs, userIdToKill, 12721 KILL_APP_REASON_GIDS_CHANGED); 12722 } 12723 }); 12724 break; 12725 } 12726 } 12727 } 12728 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12729 } 12730 // make sure to preserve per-user disabled state if this removal was just 12731 // a downgrade of a system app to the factory package 12732 if (allUserHandles != null && perUserInstalled != null) { 12733 if (DEBUG_REMOVE) { 12734 Slog.d(TAG, "Propagating install state across downgrade"); 12735 } 12736 for (int i = 0; i < allUserHandles.length; i++) { 12737 if (DEBUG_REMOVE) { 12738 Slog.d(TAG, " user " + allUserHandles[i] 12739 + " => " + perUserInstalled[i]); 12740 } 12741 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12742 } 12743 } 12744 } 12745 // can downgrade to reader 12746 if (writeSettings) { 12747 // Save settings now 12748 mSettings.writeLPr(); 12749 } 12750 } 12751 if (outInfo != null) { 12752 // A user ID was deleted here. Go through all users and remove it 12753 // from KeyStore. 12754 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12755 } 12756 } 12757 12758 static boolean locationIsPrivileged(File path) { 12759 try { 12760 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12761 .getCanonicalPath(); 12762 return path.getCanonicalPath().startsWith(privilegedAppDir); 12763 } catch (IOException e) { 12764 Slog.e(TAG, "Unable to access code path " + path); 12765 } 12766 return false; 12767 } 12768 12769 /* 12770 * Tries to delete system package. 12771 */ 12772 private boolean deleteSystemPackageLI(PackageSetting newPs, 12773 int[] allUserHandles, boolean[] perUserInstalled, 12774 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12775 final boolean applyUserRestrictions 12776 = (allUserHandles != null) && (perUserInstalled != null); 12777 PackageSetting disabledPs = null; 12778 // Confirm if the system package has been updated 12779 // An updated system app can be deleted. This will also have to restore 12780 // the system pkg from system partition 12781 // reader 12782 synchronized (mPackages) { 12783 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12784 } 12785 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12786 + " disabledPs=" + disabledPs); 12787 if (disabledPs == null) { 12788 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12789 return false; 12790 } else if (DEBUG_REMOVE) { 12791 Slog.d(TAG, "Deleting system pkg from data partition"); 12792 } 12793 if (DEBUG_REMOVE) { 12794 if (applyUserRestrictions) { 12795 Slog.d(TAG, "Remembering install states:"); 12796 for (int i = 0; i < allUserHandles.length; i++) { 12797 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12798 } 12799 } 12800 } 12801 // Delete the updated package 12802 outInfo.isRemovedPackageSystemUpdate = true; 12803 if (disabledPs.versionCode < newPs.versionCode) { 12804 // Delete data for downgrades 12805 flags &= ~PackageManager.DELETE_KEEP_DATA; 12806 } else { 12807 // Preserve data by setting flag 12808 flags |= PackageManager.DELETE_KEEP_DATA; 12809 } 12810 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 12811 allUserHandles, perUserInstalled, outInfo, writeSettings); 12812 if (!ret) { 12813 return false; 12814 } 12815 // writer 12816 synchronized (mPackages) { 12817 // Reinstate the old system package 12818 mSettings.enableSystemPackageLPw(newPs.name); 12819 // Remove any native libraries from the upgraded package. 12820 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 12821 } 12822 // Install the system package 12823 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 12824 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 12825 if (locationIsPrivileged(disabledPs.codePath)) { 12826 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12827 } 12828 12829 final PackageParser.Package newPkg; 12830 try { 12831 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 12832 } catch (PackageManagerException e) { 12833 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 12834 return false; 12835 } 12836 12837 // writer 12838 synchronized (mPackages) { 12839 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 12840 12841 // Propagate the permissions state as we do want to drop on the floor 12842 // runtime permissions. The update permissions method below will take 12843 // care of removing obsolete permissions and grant install permissions. 12844 ps.getPermissionsState().copyFrom(disabledPs.getPermissionsState()); 12845 updatePermissionsLPw(newPkg.packageName, newPkg, 12846 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 12847 12848 if (applyUserRestrictions) { 12849 if (DEBUG_REMOVE) { 12850 Slog.d(TAG, "Propagating install state across reinstall"); 12851 } 12852 for (int i = 0; i < allUserHandles.length; i++) { 12853 if (DEBUG_REMOVE) { 12854 Slog.d(TAG, " user " + allUserHandles[i] 12855 + " => " + perUserInstalled[i]); 12856 } 12857 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12858 } 12859 // Regardless of writeSettings we need to ensure that this restriction 12860 // state propagation is persisted 12861 mSettings.writeAllUsersPackageRestrictionsLPr(); 12862 } 12863 // can downgrade to reader here 12864 if (writeSettings) { 12865 mSettings.writeLPr(); 12866 } 12867 } 12868 return true; 12869 } 12870 12871 private boolean deleteInstalledPackageLI(PackageSetting ps, 12872 boolean deleteCodeAndResources, int flags, 12873 int[] allUserHandles, boolean[] perUserInstalled, 12874 PackageRemovedInfo outInfo, boolean writeSettings) { 12875 if (outInfo != null) { 12876 outInfo.uid = ps.appId; 12877 } 12878 12879 // Delete package data from internal structures and also remove data if flag is set 12880 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 12881 12882 // Delete application code and resources 12883 if (deleteCodeAndResources && (outInfo != null)) { 12884 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 12885 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 12886 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 12887 } 12888 return true; 12889 } 12890 12891 @Override 12892 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 12893 int userId) { 12894 mContext.enforceCallingOrSelfPermission( 12895 android.Manifest.permission.DELETE_PACKAGES, null); 12896 synchronized (mPackages) { 12897 PackageSetting ps = mSettings.mPackages.get(packageName); 12898 if (ps == null) { 12899 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 12900 return false; 12901 } 12902 if (!ps.getInstalled(userId)) { 12903 // Can't block uninstall for an app that is not installed or enabled. 12904 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 12905 return false; 12906 } 12907 ps.setBlockUninstall(blockUninstall, userId); 12908 mSettings.writePackageRestrictionsLPr(userId); 12909 } 12910 return true; 12911 } 12912 12913 @Override 12914 public boolean getBlockUninstallForUser(String packageName, int userId) { 12915 synchronized (mPackages) { 12916 PackageSetting ps = mSettings.mPackages.get(packageName); 12917 if (ps == null) { 12918 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 12919 return false; 12920 } 12921 return ps.getBlockUninstall(userId); 12922 } 12923 } 12924 12925 /* 12926 * This method handles package deletion in general 12927 */ 12928 private boolean deletePackageLI(String packageName, UserHandle user, 12929 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 12930 int flags, PackageRemovedInfo outInfo, 12931 boolean writeSettings) { 12932 if (packageName == null) { 12933 Slog.w(TAG, "Attempt to delete null packageName."); 12934 return false; 12935 } 12936 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 12937 PackageSetting ps; 12938 boolean dataOnly = false; 12939 int removeUser = -1; 12940 int appId = -1; 12941 synchronized (mPackages) { 12942 ps = mSettings.mPackages.get(packageName); 12943 if (ps == null) { 12944 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 12945 return false; 12946 } 12947 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 12948 && user.getIdentifier() != UserHandle.USER_ALL) { 12949 // The caller is asking that the package only be deleted for a single 12950 // user. To do this, we just mark its uninstalled state and delete 12951 // its data. If this is a system app, we only allow this to happen if 12952 // they have set the special DELETE_SYSTEM_APP which requests different 12953 // semantics than normal for uninstalling system apps. 12954 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 12955 ps.setUserState(user.getIdentifier(), 12956 COMPONENT_ENABLED_STATE_DEFAULT, 12957 false, //installed 12958 true, //stopped 12959 true, //notLaunched 12960 false, //hidden 12961 null, null, null, 12962 false, // blockUninstall 12963 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 12964 if (!isSystemApp(ps)) { 12965 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 12966 // Other user still have this package installed, so all 12967 // we need to do is clear this user's data and save that 12968 // it is uninstalled. 12969 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 12970 removeUser = user.getIdentifier(); 12971 appId = ps.appId; 12972 scheduleWritePackageRestrictionsLocked(removeUser); 12973 } else { 12974 // We need to set it back to 'installed' so the uninstall 12975 // broadcasts will be sent correctly. 12976 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 12977 ps.setInstalled(true, user.getIdentifier()); 12978 } 12979 } else { 12980 // This is a system app, so we assume that the 12981 // other users still have this package installed, so all 12982 // we need to do is clear this user's data and save that 12983 // it is uninstalled. 12984 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 12985 removeUser = user.getIdentifier(); 12986 appId = ps.appId; 12987 scheduleWritePackageRestrictionsLocked(removeUser); 12988 } 12989 } 12990 } 12991 12992 if (removeUser >= 0) { 12993 // From above, we determined that we are deleting this only 12994 // for a single user. Continue the work here. 12995 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 12996 if (outInfo != null) { 12997 outInfo.removedPackage = packageName; 12998 outInfo.removedAppId = appId; 12999 outInfo.removedUsers = new int[] {removeUser}; 13000 } 13001 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13002 removeKeystoreDataIfNeeded(removeUser, appId); 13003 schedulePackageCleaning(packageName, removeUser, false); 13004 synchronized (mPackages) { 13005 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13006 scheduleWritePackageRestrictionsLocked(removeUser); 13007 } 13008 resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, removeUser); 13009 } 13010 return true; 13011 } 13012 13013 if (dataOnly) { 13014 // Delete application data first 13015 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13016 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13017 return true; 13018 } 13019 13020 boolean ret = false; 13021 if (isSystemApp(ps)) { 13022 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13023 // When an updated system application is deleted we delete the existing resources as well and 13024 // fall back to existing code in system partition 13025 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13026 flags, outInfo, writeSettings); 13027 } else { 13028 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13029 // Kill application pre-emptively especially for apps on sd. 13030 killApplication(packageName, ps.appId, "uninstall pkg"); 13031 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13032 allUserHandles, perUserInstalled, 13033 outInfo, writeSettings); 13034 } 13035 13036 return ret; 13037 } 13038 13039 private final class ClearStorageConnection implements ServiceConnection { 13040 IMediaContainerService mContainerService; 13041 13042 @Override 13043 public void onServiceConnected(ComponentName name, IBinder service) { 13044 synchronized (this) { 13045 mContainerService = IMediaContainerService.Stub.asInterface(service); 13046 notifyAll(); 13047 } 13048 } 13049 13050 @Override 13051 public void onServiceDisconnected(ComponentName name) { 13052 } 13053 } 13054 13055 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13056 final boolean mounted; 13057 if (Environment.isExternalStorageEmulated()) { 13058 mounted = true; 13059 } else { 13060 final String status = Environment.getExternalStorageState(); 13061 13062 mounted = status.equals(Environment.MEDIA_MOUNTED) 13063 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13064 } 13065 13066 if (!mounted) { 13067 return; 13068 } 13069 13070 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13071 int[] users; 13072 if (userId == UserHandle.USER_ALL) { 13073 users = sUserManager.getUserIds(); 13074 } else { 13075 users = new int[] { userId }; 13076 } 13077 final ClearStorageConnection conn = new ClearStorageConnection(); 13078 if (mContext.bindServiceAsUser( 13079 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13080 try { 13081 for (int curUser : users) { 13082 long timeout = SystemClock.uptimeMillis() + 5000; 13083 synchronized (conn) { 13084 long now = SystemClock.uptimeMillis(); 13085 while (conn.mContainerService == null && now < timeout) { 13086 try { 13087 conn.wait(timeout - now); 13088 } catch (InterruptedException e) { 13089 } 13090 } 13091 } 13092 if (conn.mContainerService == null) { 13093 return; 13094 } 13095 13096 final UserEnvironment userEnv = new UserEnvironment(curUser); 13097 clearDirectory(conn.mContainerService, 13098 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13099 if (allData) { 13100 clearDirectory(conn.mContainerService, 13101 userEnv.buildExternalStorageAppDataDirs(packageName)); 13102 clearDirectory(conn.mContainerService, 13103 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13104 } 13105 } 13106 } finally { 13107 mContext.unbindService(conn); 13108 } 13109 } 13110 } 13111 13112 @Override 13113 public void clearApplicationUserData(final String packageName, 13114 final IPackageDataObserver observer, final int userId) { 13115 mContext.enforceCallingOrSelfPermission( 13116 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13117 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13118 // Queue up an async operation since the package deletion may take a little while. 13119 mHandler.post(new Runnable() { 13120 public void run() { 13121 mHandler.removeCallbacks(this); 13122 final boolean succeeded; 13123 synchronized (mInstallLock) { 13124 succeeded = clearApplicationUserDataLI(packageName, userId); 13125 } 13126 clearExternalStorageDataSync(packageName, userId, true); 13127 if (succeeded) { 13128 // invoke DeviceStorageMonitor's update method to clear any notifications 13129 DeviceStorageMonitorInternal 13130 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13131 if (dsm != null) { 13132 dsm.checkMemory(); 13133 } 13134 } 13135 if(observer != null) { 13136 try { 13137 observer.onRemoveCompleted(packageName, succeeded); 13138 } catch (RemoteException e) { 13139 Log.i(TAG, "Observer no longer exists."); 13140 } 13141 } //end if observer 13142 } //end run 13143 }); 13144 } 13145 13146 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13147 if (packageName == null) { 13148 Slog.w(TAG, "Attempt to delete null packageName."); 13149 return false; 13150 } 13151 13152 // Try finding details about the requested package 13153 PackageParser.Package pkg; 13154 synchronized (mPackages) { 13155 pkg = mPackages.get(packageName); 13156 if (pkg == null) { 13157 final PackageSetting ps = mSettings.mPackages.get(packageName); 13158 if (ps != null) { 13159 pkg = ps.pkg; 13160 } 13161 } 13162 13163 if (pkg == null) { 13164 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13165 return false; 13166 } 13167 13168 PackageSetting ps = (PackageSetting) pkg.mExtras; 13169 resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, userId); 13170 } 13171 13172 // Always delete data directories for package, even if we found no other 13173 // record of app. This helps users recover from UID mismatches without 13174 // resorting to a full data wipe. 13175 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13176 if (retCode < 0) { 13177 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13178 return false; 13179 } 13180 13181 final int appId = pkg.applicationInfo.uid; 13182 removeKeystoreDataIfNeeded(userId, appId); 13183 13184 // Create a native library symlink only if we have native libraries 13185 // and if the native libraries are 32 bit libraries. We do not provide 13186 // this symlink for 64 bit libraries. 13187 if (pkg.applicationInfo.primaryCpuAbi != null && 13188 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13189 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13190 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13191 nativeLibPath, userId) < 0) { 13192 Slog.w(TAG, "Failed linking native library dir"); 13193 return false; 13194 } 13195 } 13196 13197 return true; 13198 } 13199 13200 /** 13201 * Reverts user permission state changes (permissions and flags). 13202 * 13203 * @param ps The package for which to reset. 13204 * @param userId The device user for which to do a reset. 13205 */ 13206 private void resetUserChangesToRuntimePermissionsAndFlagsLocked( 13207 final PackageSetting ps, final int userId) { 13208 if (ps.pkg == null) { 13209 return; 13210 } 13211 13212 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13213 | FLAG_PERMISSION_USER_FIXED 13214 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13215 13216 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13217 | FLAG_PERMISSION_POLICY_FIXED; 13218 13219 boolean writeInstallPermissions = false; 13220 boolean writeRuntimePermissions = false; 13221 13222 final int permissionCount = ps.pkg.requestedPermissions.size(); 13223 for (int i = 0; i < permissionCount; i++) { 13224 String permission = ps.pkg.requestedPermissions.get(i); 13225 13226 BasePermission bp = mSettings.mPermissions.get(permission); 13227 if (bp == null) { 13228 continue; 13229 } 13230 13231 // If shared user we just reset the state to which only this app contributed. 13232 if (ps.sharedUser != null) { 13233 boolean used = false; 13234 final int packageCount = ps.sharedUser.packages.size(); 13235 for (int j = 0; j < packageCount; j++) { 13236 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13237 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13238 && pkg.pkg.requestedPermissions.contains(permission)) { 13239 used = true; 13240 break; 13241 } 13242 } 13243 if (used) { 13244 continue; 13245 } 13246 } 13247 13248 PermissionsState permissionsState = ps.getPermissionsState(); 13249 13250 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13251 13252 // Always clear the user settable flags. 13253 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13254 bp.name) != null; 13255 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13256 if (hasInstallState) { 13257 writeInstallPermissions = true; 13258 } else { 13259 writeRuntimePermissions = true; 13260 } 13261 } 13262 13263 // Below is only runtime permission handling. 13264 if (!bp.isRuntime()) { 13265 continue; 13266 } 13267 13268 // Never clobber system or policy. 13269 if ((oldFlags & policyOrSystemFlags) != 0) { 13270 continue; 13271 } 13272 13273 // If this permission was granted by default, make sure it is. 13274 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13275 if (permissionsState.grantRuntimePermission(bp, userId) 13276 != PERMISSION_OPERATION_FAILURE) { 13277 writeRuntimePermissions = true; 13278 } 13279 } else { 13280 // Otherwise, reset the permission. 13281 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13282 switch (revokeResult) { 13283 case PERMISSION_OPERATION_SUCCESS: { 13284 writeRuntimePermissions = true; 13285 } break; 13286 13287 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13288 writeRuntimePermissions = true; 13289 // If gids changed for this user, kill all affected packages. 13290 mHandler.post(new Runnable() { 13291 @Override 13292 public void run() { 13293 // This has to happen with no lock held. 13294 killSettingPackagesForUser(ps, userId, 13295 KILL_APP_REASON_GIDS_CHANGED); 13296 } 13297 }); 13298 } break; 13299 } 13300 } 13301 } 13302 13303 // Synchronously write as we are taking permissions away. 13304 if (writeRuntimePermissions) { 13305 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13306 } 13307 13308 // Synchronously write as we are taking permissions away. 13309 if (writeInstallPermissions) { 13310 mSettings.writeLPr(); 13311 } 13312 } 13313 13314 /** 13315 * Remove entries from the keystore daemon. Will only remove it if the 13316 * {@code appId} is valid. 13317 */ 13318 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13319 if (appId < 0) { 13320 return; 13321 } 13322 13323 final KeyStore keyStore = KeyStore.getInstance(); 13324 if (keyStore != null) { 13325 if (userId == UserHandle.USER_ALL) { 13326 for (final int individual : sUserManager.getUserIds()) { 13327 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13328 } 13329 } else { 13330 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13331 } 13332 } else { 13333 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13334 } 13335 } 13336 13337 @Override 13338 public void deleteApplicationCacheFiles(final String packageName, 13339 final IPackageDataObserver observer) { 13340 mContext.enforceCallingOrSelfPermission( 13341 android.Manifest.permission.DELETE_CACHE_FILES, null); 13342 // Queue up an async operation since the package deletion may take a little while. 13343 final int userId = UserHandle.getCallingUserId(); 13344 mHandler.post(new Runnable() { 13345 public void run() { 13346 mHandler.removeCallbacks(this); 13347 final boolean succeded; 13348 synchronized (mInstallLock) { 13349 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13350 } 13351 clearExternalStorageDataSync(packageName, userId, false); 13352 if (observer != null) { 13353 try { 13354 observer.onRemoveCompleted(packageName, succeded); 13355 } catch (RemoteException e) { 13356 Log.i(TAG, "Observer no longer exists."); 13357 } 13358 } //end if observer 13359 } //end run 13360 }); 13361 } 13362 13363 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13364 if (packageName == null) { 13365 Slog.w(TAG, "Attempt to delete null packageName."); 13366 return false; 13367 } 13368 PackageParser.Package p; 13369 synchronized (mPackages) { 13370 p = mPackages.get(packageName); 13371 } 13372 if (p == null) { 13373 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13374 return false; 13375 } 13376 final ApplicationInfo applicationInfo = p.applicationInfo; 13377 if (applicationInfo == null) { 13378 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13379 return false; 13380 } 13381 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13382 if (retCode < 0) { 13383 Slog.w(TAG, "Couldn't remove cache files for package: " 13384 + packageName + " u" + userId); 13385 return false; 13386 } 13387 return true; 13388 } 13389 13390 @Override 13391 public void getPackageSizeInfo(final String packageName, int userHandle, 13392 final IPackageStatsObserver observer) { 13393 mContext.enforceCallingOrSelfPermission( 13394 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13395 if (packageName == null) { 13396 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13397 } 13398 13399 PackageStats stats = new PackageStats(packageName, userHandle); 13400 13401 /* 13402 * Queue up an async operation since the package measurement may take a 13403 * little while. 13404 */ 13405 Message msg = mHandler.obtainMessage(INIT_COPY); 13406 msg.obj = new MeasureParams(stats, observer); 13407 mHandler.sendMessage(msg); 13408 } 13409 13410 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13411 PackageStats pStats) { 13412 if (packageName == null) { 13413 Slog.w(TAG, "Attempt to get size of null packageName."); 13414 return false; 13415 } 13416 PackageParser.Package p; 13417 boolean dataOnly = false; 13418 String libDirRoot = null; 13419 String asecPath = null; 13420 PackageSetting ps = null; 13421 synchronized (mPackages) { 13422 p = mPackages.get(packageName); 13423 ps = mSettings.mPackages.get(packageName); 13424 if(p == null) { 13425 dataOnly = true; 13426 if((ps == null) || (ps.pkg == null)) { 13427 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13428 return false; 13429 } 13430 p = ps.pkg; 13431 } 13432 if (ps != null) { 13433 libDirRoot = ps.legacyNativeLibraryPathString; 13434 } 13435 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13436 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13437 if (secureContainerId != null) { 13438 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13439 } 13440 } 13441 } 13442 String publicSrcDir = null; 13443 if(!dataOnly) { 13444 final ApplicationInfo applicationInfo = p.applicationInfo; 13445 if (applicationInfo == null) { 13446 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13447 return false; 13448 } 13449 if (p.isForwardLocked()) { 13450 publicSrcDir = applicationInfo.getBaseResourcePath(); 13451 } 13452 } 13453 // TODO: extend to measure size of split APKs 13454 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13455 // not just the first level. 13456 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13457 // just the primary. 13458 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13459 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath, 13460 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13461 if (res < 0) { 13462 return false; 13463 } 13464 13465 // Fix-up for forward-locked applications in ASEC containers. 13466 if (!isExternal(p)) { 13467 pStats.codeSize += pStats.externalCodeSize; 13468 pStats.externalCodeSize = 0L; 13469 } 13470 13471 return true; 13472 } 13473 13474 13475 @Override 13476 public void addPackageToPreferred(String packageName) { 13477 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13478 } 13479 13480 @Override 13481 public void removePackageFromPreferred(String packageName) { 13482 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13483 } 13484 13485 @Override 13486 public List<PackageInfo> getPreferredPackages(int flags) { 13487 return new ArrayList<PackageInfo>(); 13488 } 13489 13490 private int getUidTargetSdkVersionLockedLPr(int uid) { 13491 Object obj = mSettings.getUserIdLPr(uid); 13492 if (obj instanceof SharedUserSetting) { 13493 final SharedUserSetting sus = (SharedUserSetting) obj; 13494 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13495 final Iterator<PackageSetting> it = sus.packages.iterator(); 13496 while (it.hasNext()) { 13497 final PackageSetting ps = it.next(); 13498 if (ps.pkg != null) { 13499 int v = ps.pkg.applicationInfo.targetSdkVersion; 13500 if (v < vers) vers = v; 13501 } 13502 } 13503 return vers; 13504 } else if (obj instanceof PackageSetting) { 13505 final PackageSetting ps = (PackageSetting) obj; 13506 if (ps.pkg != null) { 13507 return ps.pkg.applicationInfo.targetSdkVersion; 13508 } 13509 } 13510 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13511 } 13512 13513 @Override 13514 public void addPreferredActivity(IntentFilter filter, int match, 13515 ComponentName[] set, ComponentName activity, int userId) { 13516 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13517 "Adding preferred"); 13518 } 13519 13520 private void addPreferredActivityInternal(IntentFilter filter, int match, 13521 ComponentName[] set, ComponentName activity, boolean always, int userId, 13522 String opname) { 13523 // writer 13524 int callingUid = Binder.getCallingUid(); 13525 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13526 if (filter.countActions() == 0) { 13527 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13528 return; 13529 } 13530 synchronized (mPackages) { 13531 if (mContext.checkCallingOrSelfPermission( 13532 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13533 != PackageManager.PERMISSION_GRANTED) { 13534 if (getUidTargetSdkVersionLockedLPr(callingUid) 13535 < Build.VERSION_CODES.FROYO) { 13536 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13537 + callingUid); 13538 return; 13539 } 13540 mContext.enforceCallingOrSelfPermission( 13541 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13542 } 13543 13544 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13545 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13546 + userId + ":"); 13547 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13548 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13549 scheduleWritePackageRestrictionsLocked(userId); 13550 } 13551 } 13552 13553 @Override 13554 public void replacePreferredActivity(IntentFilter filter, int match, 13555 ComponentName[] set, ComponentName activity, int userId) { 13556 if (filter.countActions() != 1) { 13557 throw new IllegalArgumentException( 13558 "replacePreferredActivity expects filter to have only 1 action."); 13559 } 13560 if (filter.countDataAuthorities() != 0 13561 || filter.countDataPaths() != 0 13562 || filter.countDataSchemes() > 1 13563 || filter.countDataTypes() != 0) { 13564 throw new IllegalArgumentException( 13565 "replacePreferredActivity expects filter to have no data authorities, " + 13566 "paths, or types; and at most one scheme."); 13567 } 13568 13569 final int callingUid = Binder.getCallingUid(); 13570 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13571 synchronized (mPackages) { 13572 if (mContext.checkCallingOrSelfPermission( 13573 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13574 != PackageManager.PERMISSION_GRANTED) { 13575 if (getUidTargetSdkVersionLockedLPr(callingUid) 13576 < Build.VERSION_CODES.FROYO) { 13577 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13578 + Binder.getCallingUid()); 13579 return; 13580 } 13581 mContext.enforceCallingOrSelfPermission( 13582 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13583 } 13584 13585 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13586 if (pir != null) { 13587 // Get all of the existing entries that exactly match this filter. 13588 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13589 if (existing != null && existing.size() == 1) { 13590 PreferredActivity cur = existing.get(0); 13591 if (DEBUG_PREFERRED) { 13592 Slog.i(TAG, "Checking replace of preferred:"); 13593 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13594 if (!cur.mPref.mAlways) { 13595 Slog.i(TAG, " -- CUR; not mAlways!"); 13596 } else { 13597 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13598 Slog.i(TAG, " -- CUR: mSet=" 13599 + Arrays.toString(cur.mPref.mSetComponents)); 13600 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13601 Slog.i(TAG, " -- NEW: mMatch=" 13602 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13603 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13604 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13605 } 13606 } 13607 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13608 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13609 && cur.mPref.sameSet(set)) { 13610 // Setting the preferred activity to what it happens to be already 13611 if (DEBUG_PREFERRED) { 13612 Slog.i(TAG, "Replacing with same preferred activity " 13613 + cur.mPref.mShortComponent + " for user " 13614 + userId + ":"); 13615 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13616 } 13617 return; 13618 } 13619 } 13620 13621 if (existing != null) { 13622 if (DEBUG_PREFERRED) { 13623 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13624 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13625 } 13626 for (int i = 0; i < existing.size(); i++) { 13627 PreferredActivity pa = existing.get(i); 13628 if (DEBUG_PREFERRED) { 13629 Slog.i(TAG, "Removing existing preferred activity " 13630 + pa.mPref.mComponent + ":"); 13631 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13632 } 13633 pir.removeFilter(pa); 13634 } 13635 } 13636 } 13637 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13638 "Replacing preferred"); 13639 } 13640 } 13641 13642 @Override 13643 public void clearPackagePreferredActivities(String packageName) { 13644 final int uid = Binder.getCallingUid(); 13645 // writer 13646 synchronized (mPackages) { 13647 PackageParser.Package pkg = mPackages.get(packageName); 13648 if (pkg == null || pkg.applicationInfo.uid != uid) { 13649 if (mContext.checkCallingOrSelfPermission( 13650 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13651 != PackageManager.PERMISSION_GRANTED) { 13652 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13653 < Build.VERSION_CODES.FROYO) { 13654 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13655 + Binder.getCallingUid()); 13656 return; 13657 } 13658 mContext.enforceCallingOrSelfPermission( 13659 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13660 } 13661 } 13662 13663 int user = UserHandle.getCallingUserId(); 13664 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13665 scheduleWritePackageRestrictionsLocked(user); 13666 } 13667 } 13668 } 13669 13670 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13671 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13672 ArrayList<PreferredActivity> removed = null; 13673 boolean changed = false; 13674 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13675 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13676 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13677 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13678 continue; 13679 } 13680 Iterator<PreferredActivity> it = pir.filterIterator(); 13681 while (it.hasNext()) { 13682 PreferredActivity pa = it.next(); 13683 // Mark entry for removal only if it matches the package name 13684 // and the entry is of type "always". 13685 if (packageName == null || 13686 (pa.mPref.mComponent.getPackageName().equals(packageName) 13687 && pa.mPref.mAlways)) { 13688 if (removed == null) { 13689 removed = new ArrayList<PreferredActivity>(); 13690 } 13691 removed.add(pa); 13692 } 13693 } 13694 if (removed != null) { 13695 for (int j=0; j<removed.size(); j++) { 13696 PreferredActivity pa = removed.get(j); 13697 pir.removeFilter(pa); 13698 } 13699 changed = true; 13700 } 13701 } 13702 return changed; 13703 } 13704 13705 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13706 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13707 if (userId == UserHandle.USER_ALL) { 13708 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13709 sUserManager.getUserIds())) { 13710 for (int oneUserId : sUserManager.getUserIds()) { 13711 scheduleWritePackageRestrictionsLocked(oneUserId); 13712 } 13713 } 13714 } else { 13715 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13716 scheduleWritePackageRestrictionsLocked(userId); 13717 } 13718 } 13719 } 13720 13721 13722 void clearDefaultBrowserIfNeeded(String packageName) { 13723 for (int oneUserId : sUserManager.getUserIds()) { 13724 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13725 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13726 if (packageName.equals(defaultBrowserPackageName)) { 13727 setDefaultBrowserPackageName(null, oneUserId); 13728 } 13729 } 13730 } 13731 13732 @Override 13733 public void resetPreferredActivities(int userId) { 13734 mContext.enforceCallingOrSelfPermission( 13735 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13736 // writer 13737 synchronized (mPackages) { 13738 clearPackagePreferredActivitiesLPw(null, userId); 13739 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13740 applyFactoryDefaultBrowserLPw(userId); 13741 primeDomainVerificationsLPw(userId); 13742 13743 scheduleWritePackageRestrictionsLocked(userId); 13744 } 13745 } 13746 13747 @Override 13748 public int getPreferredActivities(List<IntentFilter> outFilters, 13749 List<ComponentName> outActivities, String packageName) { 13750 13751 int num = 0; 13752 final int userId = UserHandle.getCallingUserId(); 13753 // reader 13754 synchronized (mPackages) { 13755 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13756 if (pir != null) { 13757 final Iterator<PreferredActivity> it = pir.filterIterator(); 13758 while (it.hasNext()) { 13759 final PreferredActivity pa = it.next(); 13760 if (packageName == null 13761 || (pa.mPref.mComponent.getPackageName().equals(packageName) 13762 && pa.mPref.mAlways)) { 13763 if (outFilters != null) { 13764 outFilters.add(new IntentFilter(pa)); 13765 } 13766 if (outActivities != null) { 13767 outActivities.add(pa.mPref.mComponent); 13768 } 13769 } 13770 } 13771 } 13772 } 13773 13774 return num; 13775 } 13776 13777 @Override 13778 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 13779 int userId) { 13780 int callingUid = Binder.getCallingUid(); 13781 if (callingUid != Process.SYSTEM_UID) { 13782 throw new SecurityException( 13783 "addPersistentPreferredActivity can only be run by the system"); 13784 } 13785 if (filter.countActions() == 0) { 13786 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13787 return; 13788 } 13789 synchronized (mPackages) { 13790 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 13791 " :"); 13792 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13793 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 13794 new PersistentPreferredActivity(filter, activity)); 13795 scheduleWritePackageRestrictionsLocked(userId); 13796 } 13797 } 13798 13799 @Override 13800 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 13801 int callingUid = Binder.getCallingUid(); 13802 if (callingUid != Process.SYSTEM_UID) { 13803 throw new SecurityException( 13804 "clearPackagePersistentPreferredActivities can only be run by the system"); 13805 } 13806 ArrayList<PersistentPreferredActivity> removed = null; 13807 boolean changed = false; 13808 synchronized (mPackages) { 13809 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 13810 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 13811 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 13812 .valueAt(i); 13813 if (userId != thisUserId) { 13814 continue; 13815 } 13816 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 13817 while (it.hasNext()) { 13818 PersistentPreferredActivity ppa = it.next(); 13819 // Mark entry for removal only if it matches the package name. 13820 if (ppa.mComponent.getPackageName().equals(packageName)) { 13821 if (removed == null) { 13822 removed = new ArrayList<PersistentPreferredActivity>(); 13823 } 13824 removed.add(ppa); 13825 } 13826 } 13827 if (removed != null) { 13828 for (int j=0; j<removed.size(); j++) { 13829 PersistentPreferredActivity ppa = removed.get(j); 13830 ppir.removeFilter(ppa); 13831 } 13832 changed = true; 13833 } 13834 } 13835 13836 if (changed) { 13837 scheduleWritePackageRestrictionsLocked(userId); 13838 } 13839 } 13840 } 13841 13842 /** 13843 * Common machinery for picking apart a restored XML blob and passing 13844 * it to a caller-supplied functor to be applied to the running system. 13845 */ 13846 private void restoreFromXml(XmlPullParser parser, int userId, 13847 String expectedStartTag, BlobXmlRestorer functor) 13848 throws IOException, XmlPullParserException { 13849 int type; 13850 while ((type = parser.next()) != XmlPullParser.START_TAG 13851 && type != XmlPullParser.END_DOCUMENT) { 13852 } 13853 if (type != XmlPullParser.START_TAG) { 13854 // oops didn't find a start tag?! 13855 if (DEBUG_BACKUP) { 13856 Slog.e(TAG, "Didn't find start tag during restore"); 13857 } 13858 return; 13859 } 13860 13861 // this is supposed to be TAG_PREFERRED_BACKUP 13862 if (!expectedStartTag.equals(parser.getName())) { 13863 if (DEBUG_BACKUP) { 13864 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 13865 } 13866 return; 13867 } 13868 13869 // skip interfering stuff, then we're aligned with the backing implementation 13870 while ((type = parser.next()) == XmlPullParser.TEXT) { } 13871 functor.apply(parser, userId); 13872 } 13873 13874 private interface BlobXmlRestorer { 13875 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 13876 } 13877 13878 /** 13879 * Non-Binder method, support for the backup/restore mechanism: write the 13880 * full set of preferred activities in its canonical XML format. Returns the 13881 * XML output as a byte array, or null if there is none. 13882 */ 13883 @Override 13884 public byte[] getPreferredActivityBackup(int userId) { 13885 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13886 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 13887 } 13888 13889 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 13890 try { 13891 final XmlSerializer serializer = new FastXmlSerializer(); 13892 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 13893 serializer.startDocument(null, true); 13894 serializer.startTag(null, TAG_PREFERRED_BACKUP); 13895 13896 synchronized (mPackages) { 13897 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 13898 } 13899 13900 serializer.endTag(null, TAG_PREFERRED_BACKUP); 13901 serializer.endDocument(); 13902 serializer.flush(); 13903 } catch (Exception e) { 13904 if (DEBUG_BACKUP) { 13905 Slog.e(TAG, "Unable to write preferred activities for backup", e); 13906 } 13907 return null; 13908 } 13909 13910 return dataStream.toByteArray(); 13911 } 13912 13913 @Override 13914 public void restorePreferredActivities(byte[] backup, int userId) { 13915 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13916 throw new SecurityException("Only the system may call restorePreferredActivities()"); 13917 } 13918 13919 try { 13920 final XmlPullParser parser = Xml.newPullParser(); 13921 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 13922 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 13923 new BlobXmlRestorer() { 13924 @Override 13925 public void apply(XmlPullParser parser, int userId) 13926 throws XmlPullParserException, IOException { 13927 synchronized (mPackages) { 13928 mSettings.readPreferredActivitiesLPw(parser, userId); 13929 } 13930 } 13931 } ); 13932 } catch (Exception e) { 13933 if (DEBUG_BACKUP) { 13934 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 13935 } 13936 } 13937 } 13938 13939 /** 13940 * Non-Binder method, support for the backup/restore mechanism: write the 13941 * default browser (etc) settings in its canonical XML format. Returns the default 13942 * browser XML representation as a byte array, or null if there is none. 13943 */ 13944 @Override 13945 public byte[] getDefaultAppsBackup(int userId) { 13946 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13947 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 13948 } 13949 13950 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 13951 try { 13952 final XmlSerializer serializer = new FastXmlSerializer(); 13953 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 13954 serializer.startDocument(null, true); 13955 serializer.startTag(null, TAG_DEFAULT_APPS); 13956 13957 synchronized (mPackages) { 13958 mSettings.writeDefaultAppsLPr(serializer, userId); 13959 } 13960 13961 serializer.endTag(null, TAG_DEFAULT_APPS); 13962 serializer.endDocument(); 13963 serializer.flush(); 13964 } catch (Exception e) { 13965 if (DEBUG_BACKUP) { 13966 Slog.e(TAG, "Unable to write default apps for backup", e); 13967 } 13968 return null; 13969 } 13970 13971 return dataStream.toByteArray(); 13972 } 13973 13974 @Override 13975 public void restoreDefaultApps(byte[] backup, int userId) { 13976 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13977 throw new SecurityException("Only the system may call restoreDefaultApps()"); 13978 } 13979 13980 try { 13981 final XmlPullParser parser = Xml.newPullParser(); 13982 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 13983 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 13984 new BlobXmlRestorer() { 13985 @Override 13986 public void apply(XmlPullParser parser, int userId) 13987 throws XmlPullParserException, IOException { 13988 synchronized (mPackages) { 13989 mSettings.readDefaultAppsLPw(parser, userId); 13990 } 13991 } 13992 } ); 13993 } catch (Exception e) { 13994 if (DEBUG_BACKUP) { 13995 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 13996 } 13997 } 13998 } 13999 14000 @Override 14001 public byte[] getIntentFilterVerificationBackup(int userId) { 14002 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14003 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14004 } 14005 14006 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14007 try { 14008 final XmlSerializer serializer = new FastXmlSerializer(); 14009 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14010 serializer.startDocument(null, true); 14011 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14012 14013 synchronized (mPackages) { 14014 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14015 } 14016 14017 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14018 serializer.endDocument(); 14019 serializer.flush(); 14020 } catch (Exception e) { 14021 if (DEBUG_BACKUP) { 14022 Slog.e(TAG, "Unable to write default apps for backup", e); 14023 } 14024 return null; 14025 } 14026 14027 return dataStream.toByteArray(); 14028 } 14029 14030 @Override 14031 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14032 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14033 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14034 } 14035 14036 try { 14037 final XmlPullParser parser = Xml.newPullParser(); 14038 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14039 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14040 new BlobXmlRestorer() { 14041 @Override 14042 public void apply(XmlPullParser parser, int userId) 14043 throws XmlPullParserException, IOException { 14044 synchronized (mPackages) { 14045 mSettings.readAllDomainVerificationsLPr(parser, userId); 14046 mSettings.writeLPr(); 14047 } 14048 } 14049 } ); 14050 } catch (Exception e) { 14051 if (DEBUG_BACKUP) { 14052 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14053 } 14054 } 14055 } 14056 14057 @Override 14058 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14059 int sourceUserId, int targetUserId, int flags) { 14060 mContext.enforceCallingOrSelfPermission( 14061 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14062 int callingUid = Binder.getCallingUid(); 14063 enforceOwnerRights(ownerPackage, callingUid); 14064 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14065 if (intentFilter.countActions() == 0) { 14066 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14067 return; 14068 } 14069 synchronized (mPackages) { 14070 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14071 ownerPackage, targetUserId, flags); 14072 CrossProfileIntentResolver resolver = 14073 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14074 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14075 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14076 if (existing != null) { 14077 int size = existing.size(); 14078 for (int i = 0; i < size; i++) { 14079 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14080 return; 14081 } 14082 } 14083 } 14084 resolver.addFilter(newFilter); 14085 scheduleWritePackageRestrictionsLocked(sourceUserId); 14086 } 14087 } 14088 14089 @Override 14090 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14091 mContext.enforceCallingOrSelfPermission( 14092 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14093 int callingUid = Binder.getCallingUid(); 14094 enforceOwnerRights(ownerPackage, callingUid); 14095 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14096 synchronized (mPackages) { 14097 CrossProfileIntentResolver resolver = 14098 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14099 ArraySet<CrossProfileIntentFilter> set = 14100 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14101 for (CrossProfileIntentFilter filter : set) { 14102 if (filter.getOwnerPackage().equals(ownerPackage)) { 14103 resolver.removeFilter(filter); 14104 } 14105 } 14106 scheduleWritePackageRestrictionsLocked(sourceUserId); 14107 } 14108 } 14109 14110 // Enforcing that callingUid is owning pkg on userId 14111 private void enforceOwnerRights(String pkg, int callingUid) { 14112 // The system owns everything. 14113 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14114 return; 14115 } 14116 int callingUserId = UserHandle.getUserId(callingUid); 14117 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14118 if (pi == null) { 14119 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14120 + callingUserId); 14121 } 14122 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14123 throw new SecurityException("Calling uid " + callingUid 14124 + " does not own package " + pkg); 14125 } 14126 } 14127 14128 @Override 14129 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14130 Intent intent = new Intent(Intent.ACTION_MAIN); 14131 intent.addCategory(Intent.CATEGORY_HOME); 14132 14133 final int callingUserId = UserHandle.getCallingUserId(); 14134 List<ResolveInfo> list = queryIntentActivities(intent, null, 14135 PackageManager.GET_META_DATA, callingUserId); 14136 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14137 true, false, false, callingUserId); 14138 14139 allHomeCandidates.clear(); 14140 if (list != null) { 14141 for (ResolveInfo ri : list) { 14142 allHomeCandidates.add(ri); 14143 } 14144 } 14145 return (preferred == null || preferred.activityInfo == null) 14146 ? null 14147 : new ComponentName(preferred.activityInfo.packageName, 14148 preferred.activityInfo.name); 14149 } 14150 14151 @Override 14152 public void setApplicationEnabledSetting(String appPackageName, 14153 int newState, int flags, int userId, String callingPackage) { 14154 if (!sUserManager.exists(userId)) return; 14155 if (callingPackage == null) { 14156 callingPackage = Integer.toString(Binder.getCallingUid()); 14157 } 14158 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14159 } 14160 14161 @Override 14162 public void setComponentEnabledSetting(ComponentName componentName, 14163 int newState, int flags, int userId) { 14164 if (!sUserManager.exists(userId)) return; 14165 setEnabledSetting(componentName.getPackageName(), 14166 componentName.getClassName(), newState, flags, userId, null); 14167 } 14168 14169 private void setEnabledSetting(final String packageName, String className, int newState, 14170 final int flags, int userId, String callingPackage) { 14171 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14172 || newState == COMPONENT_ENABLED_STATE_ENABLED 14173 || newState == COMPONENT_ENABLED_STATE_DISABLED 14174 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14175 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14176 throw new IllegalArgumentException("Invalid new component state: " 14177 + newState); 14178 } 14179 PackageSetting pkgSetting; 14180 final int uid = Binder.getCallingUid(); 14181 final int permission = mContext.checkCallingOrSelfPermission( 14182 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14183 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14184 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14185 boolean sendNow = false; 14186 boolean isApp = (className == null); 14187 String componentName = isApp ? packageName : className; 14188 int packageUid = -1; 14189 ArrayList<String> components; 14190 14191 // writer 14192 synchronized (mPackages) { 14193 pkgSetting = mSettings.mPackages.get(packageName); 14194 if (pkgSetting == null) { 14195 if (className == null) { 14196 throw new IllegalArgumentException( 14197 "Unknown package: " + packageName); 14198 } 14199 throw new IllegalArgumentException( 14200 "Unknown component: " + packageName 14201 + "/" + className); 14202 } 14203 // Allow root and verify that userId is not being specified by a different user 14204 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14205 throw new SecurityException( 14206 "Permission Denial: attempt to change component state from pid=" 14207 + Binder.getCallingPid() 14208 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14209 } 14210 if (className == null) { 14211 // We're dealing with an application/package level state change 14212 if (pkgSetting.getEnabled(userId) == newState) { 14213 // Nothing to do 14214 return; 14215 } 14216 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14217 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14218 // Don't care about who enables an app. 14219 callingPackage = null; 14220 } 14221 pkgSetting.setEnabled(newState, userId, callingPackage); 14222 // pkgSetting.pkg.mSetEnabled = newState; 14223 } else { 14224 // We're dealing with a component level state change 14225 // First, verify that this is a valid class name. 14226 PackageParser.Package pkg = pkgSetting.pkg; 14227 if (pkg == null || !pkg.hasComponentClassName(className)) { 14228 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14229 throw new IllegalArgumentException("Component class " + className 14230 + " does not exist in " + packageName); 14231 } else { 14232 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14233 + className + " does not exist in " + packageName); 14234 } 14235 } 14236 switch (newState) { 14237 case COMPONENT_ENABLED_STATE_ENABLED: 14238 if (!pkgSetting.enableComponentLPw(className, userId)) { 14239 return; 14240 } 14241 break; 14242 case COMPONENT_ENABLED_STATE_DISABLED: 14243 if (!pkgSetting.disableComponentLPw(className, userId)) { 14244 return; 14245 } 14246 break; 14247 case COMPONENT_ENABLED_STATE_DEFAULT: 14248 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14249 return; 14250 } 14251 break; 14252 default: 14253 Slog.e(TAG, "Invalid new component state: " + newState); 14254 return; 14255 } 14256 } 14257 scheduleWritePackageRestrictionsLocked(userId); 14258 components = mPendingBroadcasts.get(userId, packageName); 14259 final boolean newPackage = components == null; 14260 if (newPackage) { 14261 components = new ArrayList<String>(); 14262 } 14263 if (!components.contains(componentName)) { 14264 components.add(componentName); 14265 } 14266 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14267 sendNow = true; 14268 // Purge entry from pending broadcast list if another one exists already 14269 // since we are sending one right away. 14270 mPendingBroadcasts.remove(userId, packageName); 14271 } else { 14272 if (newPackage) { 14273 mPendingBroadcasts.put(userId, packageName, components); 14274 } 14275 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14276 // Schedule a message 14277 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14278 } 14279 } 14280 } 14281 14282 long callingId = Binder.clearCallingIdentity(); 14283 try { 14284 if (sendNow) { 14285 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14286 sendPackageChangedBroadcast(packageName, 14287 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14288 } 14289 } finally { 14290 Binder.restoreCallingIdentity(callingId); 14291 } 14292 } 14293 14294 private void sendPackageChangedBroadcast(String packageName, 14295 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14296 if (DEBUG_INSTALL) 14297 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14298 + componentNames); 14299 Bundle extras = new Bundle(4); 14300 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14301 String nameList[] = new String[componentNames.size()]; 14302 componentNames.toArray(nameList); 14303 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14304 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14305 extras.putInt(Intent.EXTRA_UID, packageUid); 14306 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14307 new int[] {UserHandle.getUserId(packageUid)}); 14308 } 14309 14310 @Override 14311 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14312 if (!sUserManager.exists(userId)) return; 14313 final int uid = Binder.getCallingUid(); 14314 final int permission = mContext.checkCallingOrSelfPermission( 14315 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14316 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14317 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14318 // writer 14319 synchronized (mPackages) { 14320 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14321 allowedByPermission, uid, userId)) { 14322 scheduleWritePackageRestrictionsLocked(userId); 14323 } 14324 } 14325 } 14326 14327 @Override 14328 public String getInstallerPackageName(String packageName) { 14329 // reader 14330 synchronized (mPackages) { 14331 return mSettings.getInstallerPackageNameLPr(packageName); 14332 } 14333 } 14334 14335 @Override 14336 public int getApplicationEnabledSetting(String packageName, int userId) { 14337 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14338 int uid = Binder.getCallingUid(); 14339 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14340 // reader 14341 synchronized (mPackages) { 14342 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14343 } 14344 } 14345 14346 @Override 14347 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14348 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14349 int uid = Binder.getCallingUid(); 14350 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14351 // reader 14352 synchronized (mPackages) { 14353 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14354 } 14355 } 14356 14357 @Override 14358 public void enterSafeMode() { 14359 enforceSystemOrRoot("Only the system can request entering safe mode"); 14360 14361 if (!mSystemReady) { 14362 mSafeMode = true; 14363 } 14364 } 14365 14366 @Override 14367 public void systemReady() { 14368 mSystemReady = true; 14369 14370 // Read the compatibilty setting when the system is ready. 14371 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14372 mContext.getContentResolver(), 14373 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14374 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14375 if (DEBUG_SETTINGS) { 14376 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14377 } 14378 14379 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14380 14381 synchronized (mPackages) { 14382 // Verify that all of the preferred activity components actually 14383 // exist. It is possible for applications to be updated and at 14384 // that point remove a previously declared activity component that 14385 // had been set as a preferred activity. We try to clean this up 14386 // the next time we encounter that preferred activity, but it is 14387 // possible for the user flow to never be able to return to that 14388 // situation so here we do a sanity check to make sure we haven't 14389 // left any junk around. 14390 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14391 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14392 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14393 removed.clear(); 14394 for (PreferredActivity pa : pir.filterSet()) { 14395 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14396 removed.add(pa); 14397 } 14398 } 14399 if (removed.size() > 0) { 14400 for (int r=0; r<removed.size(); r++) { 14401 PreferredActivity pa = removed.get(r); 14402 Slog.w(TAG, "Removing dangling preferred activity: " 14403 + pa.mPref.mComponent); 14404 pir.removeFilter(pa); 14405 } 14406 mSettings.writePackageRestrictionsLPr( 14407 mSettings.mPreferredActivities.keyAt(i)); 14408 } 14409 } 14410 14411 for (int userId : UserManagerService.getInstance().getUserIds()) { 14412 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14413 grantPermissionsUserIds = ArrayUtils.appendInt( 14414 grantPermissionsUserIds, userId); 14415 } 14416 } 14417 } 14418 sUserManager.systemReady(); 14419 14420 // If we upgraded grant all default permissions before kicking off. 14421 for (int userId : grantPermissionsUserIds) { 14422 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14423 } 14424 14425 // Kick off any messages waiting for system ready 14426 if (mPostSystemReadyMessages != null) { 14427 for (Message msg : mPostSystemReadyMessages) { 14428 msg.sendToTarget(); 14429 } 14430 mPostSystemReadyMessages = null; 14431 } 14432 14433 // Watch for external volumes that come and go over time 14434 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14435 storage.registerListener(mStorageListener); 14436 14437 mInstallerService.systemReady(); 14438 mPackageDexOptimizer.systemReady(); 14439 } 14440 14441 @Override 14442 public boolean isSafeMode() { 14443 return mSafeMode; 14444 } 14445 14446 @Override 14447 public boolean hasSystemUidErrors() { 14448 return mHasSystemUidErrors; 14449 } 14450 14451 static String arrayToString(int[] array) { 14452 StringBuffer buf = new StringBuffer(128); 14453 buf.append('['); 14454 if (array != null) { 14455 for (int i=0; i<array.length; i++) { 14456 if (i > 0) buf.append(", "); 14457 buf.append(array[i]); 14458 } 14459 } 14460 buf.append(']'); 14461 return buf.toString(); 14462 } 14463 14464 static class DumpState { 14465 public static final int DUMP_LIBS = 1 << 0; 14466 public static final int DUMP_FEATURES = 1 << 1; 14467 public static final int DUMP_RESOLVERS = 1 << 2; 14468 public static final int DUMP_PERMISSIONS = 1 << 3; 14469 public static final int DUMP_PACKAGES = 1 << 4; 14470 public static final int DUMP_SHARED_USERS = 1 << 5; 14471 public static final int DUMP_MESSAGES = 1 << 6; 14472 public static final int DUMP_PROVIDERS = 1 << 7; 14473 public static final int DUMP_VERIFIERS = 1 << 8; 14474 public static final int DUMP_PREFERRED = 1 << 9; 14475 public static final int DUMP_PREFERRED_XML = 1 << 10; 14476 public static final int DUMP_KEYSETS = 1 << 11; 14477 public static final int DUMP_VERSION = 1 << 12; 14478 public static final int DUMP_INSTALLS = 1 << 13; 14479 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14480 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14481 14482 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14483 14484 private int mTypes; 14485 14486 private int mOptions; 14487 14488 private boolean mTitlePrinted; 14489 14490 private SharedUserSetting mSharedUser; 14491 14492 public boolean isDumping(int type) { 14493 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14494 return true; 14495 } 14496 14497 return (mTypes & type) != 0; 14498 } 14499 14500 public void setDump(int type) { 14501 mTypes |= type; 14502 } 14503 14504 public boolean isOptionEnabled(int option) { 14505 return (mOptions & option) != 0; 14506 } 14507 14508 public void setOptionEnabled(int option) { 14509 mOptions |= option; 14510 } 14511 14512 public boolean onTitlePrinted() { 14513 final boolean printed = mTitlePrinted; 14514 mTitlePrinted = true; 14515 return printed; 14516 } 14517 14518 public boolean getTitlePrinted() { 14519 return mTitlePrinted; 14520 } 14521 14522 public void setTitlePrinted(boolean enabled) { 14523 mTitlePrinted = enabled; 14524 } 14525 14526 public SharedUserSetting getSharedUser() { 14527 return mSharedUser; 14528 } 14529 14530 public void setSharedUser(SharedUserSetting user) { 14531 mSharedUser = user; 14532 } 14533 } 14534 14535 @Override 14536 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14537 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14538 != PackageManager.PERMISSION_GRANTED) { 14539 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14540 + Binder.getCallingPid() 14541 + ", uid=" + Binder.getCallingUid() 14542 + " without permission " 14543 + android.Manifest.permission.DUMP); 14544 return; 14545 } 14546 14547 DumpState dumpState = new DumpState(); 14548 boolean fullPreferred = false; 14549 boolean checkin = false; 14550 14551 String packageName = null; 14552 ArraySet<String> permissionNames = null; 14553 14554 int opti = 0; 14555 while (opti < args.length) { 14556 String opt = args[opti]; 14557 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14558 break; 14559 } 14560 opti++; 14561 14562 if ("-a".equals(opt)) { 14563 // Right now we only know how to print all. 14564 } else if ("-h".equals(opt)) { 14565 pw.println("Package manager dump options:"); 14566 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14567 pw.println(" --checkin: dump for a checkin"); 14568 pw.println(" -f: print details of intent filters"); 14569 pw.println(" -h: print this help"); 14570 pw.println(" cmd may be one of:"); 14571 pw.println(" l[ibraries]: list known shared libraries"); 14572 pw.println(" f[ibraries]: list device features"); 14573 pw.println(" k[eysets]: print known keysets"); 14574 pw.println(" r[esolvers]: dump intent resolvers"); 14575 pw.println(" perm[issions]: dump permissions"); 14576 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14577 pw.println(" pref[erred]: print preferred package settings"); 14578 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14579 pw.println(" prov[iders]: dump content providers"); 14580 pw.println(" p[ackages]: dump installed packages"); 14581 pw.println(" s[hared-users]: dump shared user IDs"); 14582 pw.println(" m[essages]: print collected runtime messages"); 14583 pw.println(" v[erifiers]: print package verifier info"); 14584 pw.println(" version: print database version info"); 14585 pw.println(" write: write current settings now"); 14586 pw.println(" <package.name>: info about given package"); 14587 pw.println(" installs: details about install sessions"); 14588 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14589 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14590 return; 14591 } else if ("--checkin".equals(opt)) { 14592 checkin = true; 14593 } else if ("-f".equals(opt)) { 14594 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14595 } else { 14596 pw.println("Unknown argument: " + opt + "; use -h for help"); 14597 } 14598 } 14599 14600 // Is the caller requesting to dump a particular piece of data? 14601 if (opti < args.length) { 14602 String cmd = args[opti]; 14603 opti++; 14604 // Is this a package name? 14605 if ("android".equals(cmd) || cmd.contains(".")) { 14606 packageName = cmd; 14607 // When dumping a single package, we always dump all of its 14608 // filter information since the amount of data will be reasonable. 14609 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14610 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14611 dumpState.setDump(DumpState.DUMP_LIBS); 14612 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14613 dumpState.setDump(DumpState.DUMP_FEATURES); 14614 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14615 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14616 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14617 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14618 } else if ("permission".equals(cmd)) { 14619 if (opti >= args.length) { 14620 pw.println("Error: permission requires permission name"); 14621 return; 14622 } 14623 permissionNames = new ArraySet<>(); 14624 while (opti < args.length) { 14625 permissionNames.add(args[opti]); 14626 opti++; 14627 } 14628 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14629 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14630 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14631 dumpState.setDump(DumpState.DUMP_PREFERRED); 14632 } else if ("preferred-xml".equals(cmd)) { 14633 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14634 if (opti < args.length && "--full".equals(args[opti])) { 14635 fullPreferred = true; 14636 opti++; 14637 } 14638 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14639 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14640 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14641 dumpState.setDump(DumpState.DUMP_PACKAGES); 14642 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14643 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14644 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14645 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14646 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14647 dumpState.setDump(DumpState.DUMP_MESSAGES); 14648 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14649 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14650 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14651 || "intent-filter-verifiers".equals(cmd)) { 14652 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14653 } else if ("version".equals(cmd)) { 14654 dumpState.setDump(DumpState.DUMP_VERSION); 14655 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14656 dumpState.setDump(DumpState.DUMP_KEYSETS); 14657 } else if ("installs".equals(cmd)) { 14658 dumpState.setDump(DumpState.DUMP_INSTALLS); 14659 } else if ("write".equals(cmd)) { 14660 synchronized (mPackages) { 14661 mSettings.writeLPr(); 14662 pw.println("Settings written."); 14663 return; 14664 } 14665 } 14666 } 14667 14668 if (checkin) { 14669 pw.println("vers,1"); 14670 } 14671 14672 // reader 14673 synchronized (mPackages) { 14674 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14675 if (!checkin) { 14676 if (dumpState.onTitlePrinted()) 14677 pw.println(); 14678 pw.println("Database versions:"); 14679 pw.print(" SDK Version:"); 14680 pw.print(" internal="); 14681 pw.print(mSettings.mInternalSdkPlatform); 14682 pw.print(" external="); 14683 pw.println(mSettings.mExternalSdkPlatform); 14684 pw.print(" DB Version:"); 14685 pw.print(" internal="); 14686 pw.print(mSettings.mInternalDatabaseVersion); 14687 pw.print(" external="); 14688 pw.println(mSettings.mExternalDatabaseVersion); 14689 } 14690 } 14691 14692 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14693 if (!checkin) { 14694 if (dumpState.onTitlePrinted()) 14695 pw.println(); 14696 pw.println("Verifiers:"); 14697 pw.print(" Required: "); 14698 pw.print(mRequiredVerifierPackage); 14699 pw.print(" (uid="); 14700 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14701 pw.println(")"); 14702 } else if (mRequiredVerifierPackage != null) { 14703 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 14704 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 14705 } 14706 } 14707 14708 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 14709 packageName == null) { 14710 if (mIntentFilterVerifierComponent != null) { 14711 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 14712 if (!checkin) { 14713 if (dumpState.onTitlePrinted()) 14714 pw.println(); 14715 pw.println("Intent Filter Verifier:"); 14716 pw.print(" Using: "); 14717 pw.print(verifierPackageName); 14718 pw.print(" (uid="); 14719 pw.print(getPackageUid(verifierPackageName, 0)); 14720 pw.println(")"); 14721 } else if (verifierPackageName != null) { 14722 pw.print("ifv,"); pw.print(verifierPackageName); 14723 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 14724 } 14725 } else { 14726 pw.println(); 14727 pw.println("No Intent Filter Verifier available!"); 14728 } 14729 } 14730 14731 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 14732 boolean printedHeader = false; 14733 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 14734 while (it.hasNext()) { 14735 String name = it.next(); 14736 SharedLibraryEntry ent = mSharedLibraries.get(name); 14737 if (!checkin) { 14738 if (!printedHeader) { 14739 if (dumpState.onTitlePrinted()) 14740 pw.println(); 14741 pw.println("Libraries:"); 14742 printedHeader = true; 14743 } 14744 pw.print(" "); 14745 } else { 14746 pw.print("lib,"); 14747 } 14748 pw.print(name); 14749 if (!checkin) { 14750 pw.print(" -> "); 14751 } 14752 if (ent.path != null) { 14753 if (!checkin) { 14754 pw.print("(jar) "); 14755 pw.print(ent.path); 14756 } else { 14757 pw.print(",jar,"); 14758 pw.print(ent.path); 14759 } 14760 } else { 14761 if (!checkin) { 14762 pw.print("(apk) "); 14763 pw.print(ent.apk); 14764 } else { 14765 pw.print(",apk,"); 14766 pw.print(ent.apk); 14767 } 14768 } 14769 pw.println(); 14770 } 14771 } 14772 14773 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 14774 if (dumpState.onTitlePrinted()) 14775 pw.println(); 14776 if (!checkin) { 14777 pw.println("Features:"); 14778 } 14779 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 14780 while (it.hasNext()) { 14781 String name = it.next(); 14782 if (!checkin) { 14783 pw.print(" "); 14784 } else { 14785 pw.print("feat,"); 14786 } 14787 pw.println(name); 14788 } 14789 } 14790 14791 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 14792 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 14793 : "Activity Resolver Table:", " ", packageName, 14794 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14795 dumpState.setTitlePrinted(true); 14796 } 14797 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 14798 : "Receiver Resolver Table:", " ", packageName, 14799 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14800 dumpState.setTitlePrinted(true); 14801 } 14802 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 14803 : "Service Resolver Table:", " ", packageName, 14804 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14805 dumpState.setTitlePrinted(true); 14806 } 14807 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 14808 : "Provider Resolver Table:", " ", packageName, 14809 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14810 dumpState.setTitlePrinted(true); 14811 } 14812 } 14813 14814 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 14815 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14816 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14817 int user = mSettings.mPreferredActivities.keyAt(i); 14818 if (pir.dump(pw, 14819 dumpState.getTitlePrinted() 14820 ? "\nPreferred Activities User " + user + ":" 14821 : "Preferred Activities User " + user + ":", " ", 14822 packageName, true, false)) { 14823 dumpState.setTitlePrinted(true); 14824 } 14825 } 14826 } 14827 14828 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 14829 pw.flush(); 14830 FileOutputStream fout = new FileOutputStream(fd); 14831 BufferedOutputStream str = new BufferedOutputStream(fout); 14832 XmlSerializer serializer = new FastXmlSerializer(); 14833 try { 14834 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 14835 serializer.startDocument(null, true); 14836 serializer.setFeature( 14837 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 14838 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 14839 serializer.endDocument(); 14840 serializer.flush(); 14841 } catch (IllegalArgumentException e) { 14842 pw.println("Failed writing: " + e); 14843 } catch (IllegalStateException e) { 14844 pw.println("Failed writing: " + e); 14845 } catch (IOException e) { 14846 pw.println("Failed writing: " + e); 14847 } 14848 } 14849 14850 if (!checkin 14851 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 14852 && packageName == null) { 14853 pw.println(); 14854 int count = mSettings.mPackages.size(); 14855 if (count == 0) { 14856 pw.println("No applications!"); 14857 pw.println(); 14858 } else { 14859 final String prefix = " "; 14860 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 14861 if (allPackageSettings.size() == 0) { 14862 pw.println("No domain preferred apps!"); 14863 pw.println(); 14864 } else { 14865 pw.println("App verification status:"); 14866 pw.println(); 14867 count = 0; 14868 for (PackageSetting ps : allPackageSettings) { 14869 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 14870 if (ivi == null || ivi.getPackageName() == null) continue; 14871 pw.println(prefix + "Package: " + ivi.getPackageName()); 14872 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 14873 pw.println(prefix + "Status: " + ivi.getStatusString()); 14874 pw.println(); 14875 count++; 14876 } 14877 if (count == 0) { 14878 pw.println(prefix + "No app verification established."); 14879 pw.println(); 14880 } 14881 for (int userId : sUserManager.getUserIds()) { 14882 pw.println("App linkages for user " + userId + ":"); 14883 pw.println(); 14884 count = 0; 14885 for (PackageSetting ps : allPackageSettings) { 14886 final int status = ps.getDomainVerificationStatusForUser(userId); 14887 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 14888 continue; 14889 } 14890 pw.println(prefix + "Package: " + ps.name); 14891 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 14892 String statusStr = IntentFilterVerificationInfo. 14893 getStatusStringFromValue(status); 14894 pw.println(prefix + "Status: " + statusStr); 14895 pw.println(); 14896 count++; 14897 } 14898 if (count == 0) { 14899 pw.println(prefix + "No configured app linkages."); 14900 pw.println(); 14901 } 14902 } 14903 } 14904 } 14905 } 14906 14907 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 14908 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 14909 if (packageName == null && permissionNames == null) { 14910 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 14911 if (iperm == 0) { 14912 if (dumpState.onTitlePrinted()) 14913 pw.println(); 14914 pw.println("AppOp Permissions:"); 14915 } 14916 pw.print(" AppOp Permission "); 14917 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 14918 pw.println(":"); 14919 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 14920 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 14921 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 14922 } 14923 } 14924 } 14925 } 14926 14927 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 14928 boolean printedSomething = false; 14929 for (PackageParser.Provider p : mProviders.mProviders.values()) { 14930 if (packageName != null && !packageName.equals(p.info.packageName)) { 14931 continue; 14932 } 14933 if (!printedSomething) { 14934 if (dumpState.onTitlePrinted()) 14935 pw.println(); 14936 pw.println("Registered ContentProviders:"); 14937 printedSomething = true; 14938 } 14939 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 14940 pw.print(" "); pw.println(p.toString()); 14941 } 14942 printedSomething = false; 14943 for (Map.Entry<String, PackageParser.Provider> entry : 14944 mProvidersByAuthority.entrySet()) { 14945 PackageParser.Provider p = entry.getValue(); 14946 if (packageName != null && !packageName.equals(p.info.packageName)) { 14947 continue; 14948 } 14949 if (!printedSomething) { 14950 if (dumpState.onTitlePrinted()) 14951 pw.println(); 14952 pw.println("ContentProvider Authorities:"); 14953 printedSomething = true; 14954 } 14955 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 14956 pw.print(" "); pw.println(p.toString()); 14957 if (p.info != null && p.info.applicationInfo != null) { 14958 final String appInfo = p.info.applicationInfo.toString(); 14959 pw.print(" applicationInfo="); pw.println(appInfo); 14960 } 14961 } 14962 } 14963 14964 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 14965 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 14966 } 14967 14968 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 14969 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 14970 } 14971 14972 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 14973 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 14974 } 14975 14976 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 14977 // XXX should handle packageName != null by dumping only install data that 14978 // the given package is involved with. 14979 if (dumpState.onTitlePrinted()) pw.println(); 14980 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 14981 } 14982 14983 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 14984 if (dumpState.onTitlePrinted()) pw.println(); 14985 mSettings.dumpReadMessagesLPr(pw, dumpState); 14986 14987 pw.println(); 14988 pw.println("Package warning messages:"); 14989 BufferedReader in = null; 14990 String line = null; 14991 try { 14992 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 14993 while ((line = in.readLine()) != null) { 14994 if (line.contains("ignored: updated version")) continue; 14995 pw.println(line); 14996 } 14997 } catch (IOException ignored) { 14998 } finally { 14999 IoUtils.closeQuietly(in); 15000 } 15001 } 15002 15003 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15004 BufferedReader in = null; 15005 String line = null; 15006 try { 15007 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15008 while ((line = in.readLine()) != null) { 15009 if (line.contains("ignored: updated version")) continue; 15010 pw.print("msg,"); 15011 pw.println(line); 15012 } 15013 } catch (IOException ignored) { 15014 } finally { 15015 IoUtils.closeQuietly(in); 15016 } 15017 } 15018 } 15019 } 15020 15021 private String dumpDomainString(String packageName) { 15022 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15023 List<IntentFilter> filters = getAllIntentFilters(packageName); 15024 15025 ArraySet<String> result = new ArraySet<>(); 15026 if (iviList.size() > 0) { 15027 for (IntentFilterVerificationInfo ivi : iviList) { 15028 for (String host : ivi.getDomains()) { 15029 result.add(host); 15030 } 15031 } 15032 } 15033 if (filters != null && filters.size() > 0) { 15034 for (IntentFilter filter : filters) { 15035 if (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15036 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)) { 15037 result.addAll(filter.getHostsList()); 15038 } 15039 } 15040 } 15041 15042 StringBuilder sb = new StringBuilder(result.size() * 16); 15043 for (String domain : result) { 15044 if (sb.length() > 0) sb.append(" "); 15045 sb.append(domain); 15046 } 15047 return sb.toString(); 15048 } 15049 15050 // ------- apps on sdcard specific code ------- 15051 static final boolean DEBUG_SD_INSTALL = false; 15052 15053 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15054 15055 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15056 15057 private boolean mMediaMounted = false; 15058 15059 static String getEncryptKey() { 15060 try { 15061 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15062 SD_ENCRYPTION_KEYSTORE_NAME); 15063 if (sdEncKey == null) { 15064 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15065 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15066 if (sdEncKey == null) { 15067 Slog.e(TAG, "Failed to create encryption keys"); 15068 return null; 15069 } 15070 } 15071 return sdEncKey; 15072 } catch (NoSuchAlgorithmException nsae) { 15073 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15074 return null; 15075 } catch (IOException ioe) { 15076 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15077 return null; 15078 } 15079 } 15080 15081 /* 15082 * Update media status on PackageManager. 15083 */ 15084 @Override 15085 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15086 int callingUid = Binder.getCallingUid(); 15087 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15088 throw new SecurityException("Media status can only be updated by the system"); 15089 } 15090 // reader; this apparently protects mMediaMounted, but should probably 15091 // be a different lock in that case. 15092 synchronized (mPackages) { 15093 Log.i(TAG, "Updating external media status from " 15094 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15095 + (mediaStatus ? "mounted" : "unmounted")); 15096 if (DEBUG_SD_INSTALL) 15097 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15098 + ", mMediaMounted=" + mMediaMounted); 15099 if (mediaStatus == mMediaMounted) { 15100 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15101 : 0, -1); 15102 mHandler.sendMessage(msg); 15103 return; 15104 } 15105 mMediaMounted = mediaStatus; 15106 } 15107 // Queue up an async operation since the package installation may take a 15108 // little while. 15109 mHandler.post(new Runnable() { 15110 public void run() { 15111 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15112 } 15113 }); 15114 } 15115 15116 /** 15117 * Called by MountService when the initial ASECs to scan are available. 15118 * Should block until all the ASEC containers are finished being scanned. 15119 */ 15120 public void scanAvailableAsecs() { 15121 updateExternalMediaStatusInner(true, false, false); 15122 if (mShouldRestoreconData) { 15123 SELinuxMMAC.setRestoreconDone(); 15124 mShouldRestoreconData = false; 15125 } 15126 } 15127 15128 /* 15129 * Collect information of applications on external media, map them against 15130 * existing containers and update information based on current mount status. 15131 * Please note that we always have to report status if reportStatus has been 15132 * set to true especially when unloading packages. 15133 */ 15134 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15135 boolean externalStorage) { 15136 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15137 int[] uidArr = EmptyArray.INT; 15138 15139 final String[] list = PackageHelper.getSecureContainerList(); 15140 if (ArrayUtils.isEmpty(list)) { 15141 Log.i(TAG, "No secure containers found"); 15142 } else { 15143 // Process list of secure containers and categorize them 15144 // as active or stale based on their package internal state. 15145 15146 // reader 15147 synchronized (mPackages) { 15148 for (String cid : list) { 15149 // Leave stages untouched for now; installer service owns them 15150 if (PackageInstallerService.isStageName(cid)) continue; 15151 15152 if (DEBUG_SD_INSTALL) 15153 Log.i(TAG, "Processing container " + cid); 15154 String pkgName = getAsecPackageName(cid); 15155 if (pkgName == null) { 15156 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15157 continue; 15158 } 15159 if (DEBUG_SD_INSTALL) 15160 Log.i(TAG, "Looking for pkg : " + pkgName); 15161 15162 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15163 if (ps == null) { 15164 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15165 continue; 15166 } 15167 15168 /* 15169 * Skip packages that are not external if we're unmounting 15170 * external storage. 15171 */ 15172 if (externalStorage && !isMounted && !isExternal(ps)) { 15173 continue; 15174 } 15175 15176 final AsecInstallArgs args = new AsecInstallArgs(cid, 15177 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15178 // The package status is changed only if the code path 15179 // matches between settings and the container id. 15180 if (ps.codePathString != null 15181 && ps.codePathString.startsWith(args.getCodePath())) { 15182 if (DEBUG_SD_INSTALL) { 15183 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15184 + " at code path: " + ps.codePathString); 15185 } 15186 15187 // We do have a valid package installed on sdcard 15188 processCids.put(args, ps.codePathString); 15189 final int uid = ps.appId; 15190 if (uid != -1) { 15191 uidArr = ArrayUtils.appendInt(uidArr, uid); 15192 } 15193 } else { 15194 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15195 + ps.codePathString); 15196 } 15197 } 15198 } 15199 15200 Arrays.sort(uidArr); 15201 } 15202 15203 // Process packages with valid entries. 15204 if (isMounted) { 15205 if (DEBUG_SD_INSTALL) 15206 Log.i(TAG, "Loading packages"); 15207 loadMediaPackages(processCids, uidArr); 15208 startCleaningPackages(); 15209 mInstallerService.onSecureContainersAvailable(); 15210 } else { 15211 if (DEBUG_SD_INSTALL) 15212 Log.i(TAG, "Unloading packages"); 15213 unloadMediaPackages(processCids, uidArr, reportStatus); 15214 } 15215 } 15216 15217 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15218 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15219 final int size = infos.size(); 15220 final String[] packageNames = new String[size]; 15221 final int[] packageUids = new int[size]; 15222 for (int i = 0; i < size; i++) { 15223 final ApplicationInfo info = infos.get(i); 15224 packageNames[i] = info.packageName; 15225 packageUids[i] = info.uid; 15226 } 15227 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15228 finishedReceiver); 15229 } 15230 15231 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15232 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15233 sendResourcesChangedBroadcast(mediaStatus, replacing, 15234 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15235 } 15236 15237 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15238 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15239 int size = pkgList.length; 15240 if (size > 0) { 15241 // Send broadcasts here 15242 Bundle extras = new Bundle(); 15243 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15244 if (uidArr != null) { 15245 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15246 } 15247 if (replacing) { 15248 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15249 } 15250 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15251 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15252 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15253 } 15254 } 15255 15256 /* 15257 * Look at potentially valid container ids from processCids If package 15258 * information doesn't match the one on record or package scanning fails, 15259 * the cid is added to list of removeCids. We currently don't delete stale 15260 * containers. 15261 */ 15262 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15263 ArrayList<String> pkgList = new ArrayList<String>(); 15264 Set<AsecInstallArgs> keys = processCids.keySet(); 15265 15266 for (AsecInstallArgs args : keys) { 15267 String codePath = processCids.get(args); 15268 if (DEBUG_SD_INSTALL) 15269 Log.i(TAG, "Loading container : " + args.cid); 15270 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15271 try { 15272 // Make sure there are no container errors first. 15273 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15274 Slog.e(TAG, "Failed to mount cid : " + args.cid 15275 + " when installing from sdcard"); 15276 continue; 15277 } 15278 // Check code path here. 15279 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15280 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15281 + " does not match one in settings " + codePath); 15282 continue; 15283 } 15284 // Parse package 15285 int parseFlags = mDefParseFlags; 15286 if (args.isExternalAsec()) { 15287 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15288 } 15289 if (args.isFwdLocked()) { 15290 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15291 } 15292 15293 synchronized (mInstallLock) { 15294 PackageParser.Package pkg = null; 15295 try { 15296 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15297 } catch (PackageManagerException e) { 15298 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15299 } 15300 // Scan the package 15301 if (pkg != null) { 15302 /* 15303 * TODO why is the lock being held? doPostInstall is 15304 * called in other places without the lock. This needs 15305 * to be straightened out. 15306 */ 15307 // writer 15308 synchronized (mPackages) { 15309 retCode = PackageManager.INSTALL_SUCCEEDED; 15310 pkgList.add(pkg.packageName); 15311 // Post process args 15312 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15313 pkg.applicationInfo.uid); 15314 } 15315 } else { 15316 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15317 } 15318 } 15319 15320 } finally { 15321 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15322 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15323 } 15324 } 15325 } 15326 // writer 15327 synchronized (mPackages) { 15328 // If the platform SDK has changed since the last time we booted, 15329 // we need to re-grant app permission to catch any new ones that 15330 // appear. This is really a hack, and means that apps can in some 15331 // cases get permissions that the user didn't initially explicitly 15332 // allow... it would be nice to have some better way to handle 15333 // this situation. 15334 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 15335 if (regrantPermissions) 15336 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 15337 + mSdkVersion + "; regranting permissions for external storage"); 15338 mSettings.mExternalSdkPlatform = mSdkVersion; 15339 15340 // Make sure group IDs have been assigned, and any permission 15341 // changes in other apps are accounted for 15342 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 15343 | (regrantPermissions 15344 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 15345 : 0)); 15346 15347 mSettings.updateExternalDatabaseVersion(); 15348 15349 // can downgrade to reader 15350 // Persist settings 15351 mSettings.writeLPr(); 15352 } 15353 // Send a broadcast to let everyone know we are done processing 15354 if (pkgList.size() > 0) { 15355 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15356 } 15357 } 15358 15359 /* 15360 * Utility method to unload a list of specified containers 15361 */ 15362 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15363 // Just unmount all valid containers. 15364 for (AsecInstallArgs arg : cidArgs) { 15365 synchronized (mInstallLock) { 15366 arg.doPostDeleteLI(false); 15367 } 15368 } 15369 } 15370 15371 /* 15372 * Unload packages mounted on external media. This involves deleting package 15373 * data from internal structures, sending broadcasts about diabled packages, 15374 * gc'ing to free up references, unmounting all secure containers 15375 * corresponding to packages on external media, and posting a 15376 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15377 * that we always have to post this message if status has been requested no 15378 * matter what. 15379 */ 15380 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15381 final boolean reportStatus) { 15382 if (DEBUG_SD_INSTALL) 15383 Log.i(TAG, "unloading media packages"); 15384 ArrayList<String> pkgList = new ArrayList<String>(); 15385 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15386 final Set<AsecInstallArgs> keys = processCids.keySet(); 15387 for (AsecInstallArgs args : keys) { 15388 String pkgName = args.getPackageName(); 15389 if (DEBUG_SD_INSTALL) 15390 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15391 // Delete package internally 15392 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15393 synchronized (mInstallLock) { 15394 boolean res = deletePackageLI(pkgName, null, false, null, null, 15395 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15396 if (res) { 15397 pkgList.add(pkgName); 15398 } else { 15399 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15400 failedList.add(args); 15401 } 15402 } 15403 } 15404 15405 // reader 15406 synchronized (mPackages) { 15407 // We didn't update the settings after removing each package; 15408 // write them now for all packages. 15409 mSettings.writeLPr(); 15410 } 15411 15412 // We have to absolutely send UPDATED_MEDIA_STATUS only 15413 // after confirming that all the receivers processed the ordered 15414 // broadcast when packages get disabled, force a gc to clean things up. 15415 // and unload all the containers. 15416 if (pkgList.size() > 0) { 15417 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15418 new IIntentReceiver.Stub() { 15419 public void performReceive(Intent intent, int resultCode, String data, 15420 Bundle extras, boolean ordered, boolean sticky, 15421 int sendingUser) throws RemoteException { 15422 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15423 reportStatus ? 1 : 0, 1, keys); 15424 mHandler.sendMessage(msg); 15425 } 15426 }); 15427 } else { 15428 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15429 keys); 15430 mHandler.sendMessage(msg); 15431 } 15432 } 15433 15434 private void loadPrivatePackages(VolumeInfo vol) { 15435 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15436 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15437 synchronized (mInstallLock) { 15438 synchronized (mPackages) { 15439 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15440 for (PackageSetting ps : packages) { 15441 final PackageParser.Package pkg; 15442 try { 15443 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15444 loaded.add(pkg.applicationInfo); 15445 } catch (PackageManagerException e) { 15446 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15447 } 15448 } 15449 15450 // TODO: regrant any permissions that changed based since original install 15451 15452 mSettings.writeLPr(); 15453 } 15454 } 15455 15456 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15457 sendResourcesChangedBroadcast(true, false, loaded, null); 15458 } 15459 15460 private void unloadPrivatePackages(VolumeInfo vol) { 15461 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15462 synchronized (mInstallLock) { 15463 synchronized (mPackages) { 15464 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15465 for (PackageSetting ps : packages) { 15466 if (ps.pkg == null) continue; 15467 15468 final ApplicationInfo info = ps.pkg.applicationInfo; 15469 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15470 if (deletePackageLI(ps.name, null, false, null, null, 15471 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15472 unloaded.add(info); 15473 } else { 15474 Slog.w(TAG, "Failed to unload " + ps.codePath); 15475 } 15476 } 15477 15478 mSettings.writeLPr(); 15479 } 15480 } 15481 15482 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15483 sendResourcesChangedBroadcast(false, false, unloaded, null); 15484 } 15485 15486 /** 15487 * Examine all users present on given mounted volume, and destroy data 15488 * belonging to users that are no longer valid, or whose user ID has been 15489 * recycled. 15490 */ 15491 private void reconcileUsers(String volumeUuid) { 15492 final File[] files = Environment.getDataUserDirectory(volumeUuid).listFiles(); 15493 if (ArrayUtils.isEmpty(files)) { 15494 Slog.d(TAG, "No users found on " + volumeUuid); 15495 return; 15496 } 15497 15498 for (File file : files) { 15499 if (!file.isDirectory()) continue; 15500 15501 final int userId; 15502 final UserInfo info; 15503 try { 15504 userId = Integer.parseInt(file.getName()); 15505 info = sUserManager.getUserInfo(userId); 15506 } catch (NumberFormatException e) { 15507 Slog.w(TAG, "Invalid user directory " + file); 15508 continue; 15509 } 15510 15511 boolean destroyUser = false; 15512 if (info == null) { 15513 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15514 + " because no matching user was found"); 15515 destroyUser = true; 15516 } else { 15517 try { 15518 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15519 } catch (IOException e) { 15520 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15521 + " because we failed to enforce serial number: " + e); 15522 destroyUser = true; 15523 } 15524 } 15525 15526 if (destroyUser) { 15527 synchronized (mInstallLock) { 15528 mInstaller.removeUserDataDirs(volumeUuid, userId); 15529 } 15530 } 15531 } 15532 15533 final UserManager um = mContext.getSystemService(UserManager.class); 15534 for (UserInfo user : um.getUsers()) { 15535 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15536 if (userDir.exists()) continue; 15537 15538 try { 15539 UserManagerService.prepareUserDirectory(userDir); 15540 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15541 } catch (IOException e) { 15542 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15543 } 15544 } 15545 } 15546 15547 /** 15548 * Examine all apps present on given mounted volume, and destroy apps that 15549 * aren't expected, either due to uninstallation or reinstallation on 15550 * another volume. 15551 */ 15552 private void reconcileApps(String volumeUuid) { 15553 final File[] files = Environment.getDataAppDirectory(volumeUuid).listFiles(); 15554 if (ArrayUtils.isEmpty(files)) { 15555 Slog.d(TAG, "No apps found on " + volumeUuid); 15556 return; 15557 } 15558 15559 for (File file : files) { 15560 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15561 && !PackageInstallerService.isStageName(file.getName()); 15562 if (!isPackage) { 15563 // Ignore entries which are not packages 15564 continue; 15565 } 15566 15567 boolean destroyApp = false; 15568 String packageName = null; 15569 try { 15570 final PackageLite pkg = PackageParser.parsePackageLite(file, 15571 PackageParser.PARSE_MUST_BE_APK); 15572 packageName = pkg.packageName; 15573 15574 synchronized (mPackages) { 15575 final PackageSetting ps = mSettings.mPackages.get(packageName); 15576 if (ps == null) { 15577 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15578 + volumeUuid + " because we found no install record"); 15579 destroyApp = true; 15580 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15581 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15582 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15583 destroyApp = true; 15584 } 15585 } 15586 15587 } catch (PackageParserException e) { 15588 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15589 destroyApp = true; 15590 } 15591 15592 if (destroyApp) { 15593 synchronized (mInstallLock) { 15594 if (packageName != null) { 15595 removeDataDirsLI(volumeUuid, packageName); 15596 } 15597 if (file.isDirectory()) { 15598 mInstaller.rmPackageDir(file.getAbsolutePath()); 15599 } else { 15600 file.delete(); 15601 } 15602 } 15603 } 15604 } 15605 } 15606 15607 private void unfreezePackage(String packageName) { 15608 synchronized (mPackages) { 15609 final PackageSetting ps = mSettings.mPackages.get(packageName); 15610 if (ps != null) { 15611 ps.frozen = false; 15612 } 15613 } 15614 } 15615 15616 @Override 15617 public int movePackage(final String packageName, final String volumeUuid) { 15618 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15619 15620 final int moveId = mNextMoveId.getAndIncrement(); 15621 try { 15622 movePackageInternal(packageName, volumeUuid, moveId); 15623 } catch (PackageManagerException e) { 15624 Slog.w(TAG, "Failed to move " + packageName, e); 15625 mMoveCallbacks.notifyStatusChanged(moveId, 15626 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15627 } 15628 return moveId; 15629 } 15630 15631 private void movePackageInternal(final String packageName, final String volumeUuid, 15632 final int moveId) throws PackageManagerException { 15633 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15634 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15635 final PackageManager pm = mContext.getPackageManager(); 15636 15637 final boolean currentAsec; 15638 final String currentVolumeUuid; 15639 final File codeFile; 15640 final String installerPackageName; 15641 final String packageAbiOverride; 15642 final int appId; 15643 final String seinfo; 15644 final String label; 15645 15646 // reader 15647 synchronized (mPackages) { 15648 final PackageParser.Package pkg = mPackages.get(packageName); 15649 final PackageSetting ps = mSettings.mPackages.get(packageName); 15650 if (pkg == null || ps == null) { 15651 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15652 } 15653 15654 if (pkg.applicationInfo.isSystemApp()) { 15655 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15656 "Cannot move system application"); 15657 } 15658 15659 if (Objects.equals(ps.volumeUuid, volumeUuid)) { 15660 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15661 "Package already moved to " + volumeUuid); 15662 } 15663 15664 final File probe = new File(pkg.codePath); 15665 final File probeOat = new File(probe, "oat"); 15666 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15667 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15668 "Move only supported for modern cluster style installs"); 15669 } 15670 15671 if (ps.frozen) { 15672 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 15673 "Failed to move already frozen package"); 15674 } 15675 ps.frozen = true; 15676 15677 currentAsec = pkg.applicationInfo.isForwardLocked() 15678 || pkg.applicationInfo.isExternalAsec(); 15679 currentVolumeUuid = ps.volumeUuid; 15680 codeFile = new File(pkg.codePath); 15681 installerPackageName = ps.installerPackageName; 15682 packageAbiOverride = ps.cpuAbiOverrideString; 15683 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15684 seinfo = pkg.applicationInfo.seinfo; 15685 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 15686 } 15687 15688 // Now that we're guarded by frozen state, kill app during move 15689 killApplication(packageName, appId, "move pkg"); 15690 15691 final Bundle extras = new Bundle(); 15692 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 15693 extras.putString(Intent.EXTRA_TITLE, label); 15694 mMoveCallbacks.notifyCreated(moveId, extras); 15695 15696 int installFlags; 15697 final boolean moveCompleteApp; 15698 final File measurePath; 15699 15700 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 15701 installFlags = INSTALL_INTERNAL; 15702 moveCompleteApp = !currentAsec; 15703 measurePath = Environment.getDataAppDirectory(volumeUuid); 15704 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 15705 installFlags = INSTALL_EXTERNAL; 15706 moveCompleteApp = false; 15707 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 15708 } else { 15709 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 15710 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 15711 || !volume.isMountedWritable()) { 15712 unfreezePackage(packageName); 15713 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15714 "Move location not mounted private volume"); 15715 } 15716 15717 Preconditions.checkState(!currentAsec); 15718 15719 installFlags = INSTALL_INTERNAL; 15720 moveCompleteApp = true; 15721 measurePath = Environment.getDataAppDirectory(volumeUuid); 15722 } 15723 15724 final PackageStats stats = new PackageStats(null, -1); 15725 synchronized (mInstaller) { 15726 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 15727 unfreezePackage(packageName); 15728 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15729 "Failed to measure package size"); 15730 } 15731 } 15732 15733 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 15734 + stats.dataSize); 15735 15736 final long startFreeBytes = measurePath.getFreeSpace(); 15737 final long sizeBytes; 15738 if (moveCompleteApp) { 15739 sizeBytes = stats.codeSize + stats.dataSize; 15740 } else { 15741 sizeBytes = stats.codeSize; 15742 } 15743 15744 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 15745 unfreezePackage(packageName); 15746 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15747 "Not enough free space to move"); 15748 } 15749 15750 mMoveCallbacks.notifyStatusChanged(moveId, 10); 15751 15752 final CountDownLatch installedLatch = new CountDownLatch(1); 15753 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 15754 @Override 15755 public void onUserActionRequired(Intent intent) throws RemoteException { 15756 throw new IllegalStateException(); 15757 } 15758 15759 @Override 15760 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 15761 Bundle extras) throws RemoteException { 15762 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 15763 + PackageManager.installStatusToString(returnCode, msg)); 15764 15765 installedLatch.countDown(); 15766 15767 // Regardless of success or failure of the move operation, 15768 // always unfreeze the package 15769 unfreezePackage(packageName); 15770 15771 final int status = PackageManager.installStatusToPublicStatus(returnCode); 15772 switch (status) { 15773 case PackageInstaller.STATUS_SUCCESS: 15774 mMoveCallbacks.notifyStatusChanged(moveId, 15775 PackageManager.MOVE_SUCCEEDED); 15776 break; 15777 case PackageInstaller.STATUS_FAILURE_STORAGE: 15778 mMoveCallbacks.notifyStatusChanged(moveId, 15779 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 15780 break; 15781 default: 15782 mMoveCallbacks.notifyStatusChanged(moveId, 15783 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15784 break; 15785 } 15786 } 15787 }; 15788 15789 final MoveInfo move; 15790 if (moveCompleteApp) { 15791 // Kick off a thread to report progress estimates 15792 new Thread() { 15793 @Override 15794 public void run() { 15795 while (true) { 15796 try { 15797 if (installedLatch.await(1, TimeUnit.SECONDS)) { 15798 break; 15799 } 15800 } catch (InterruptedException ignored) { 15801 } 15802 15803 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 15804 final int progress = 10 + (int) MathUtils.constrain( 15805 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 15806 mMoveCallbacks.notifyStatusChanged(moveId, progress); 15807 } 15808 } 15809 }.start(); 15810 15811 final String dataAppName = codeFile.getName(); 15812 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 15813 dataAppName, appId, seinfo); 15814 } else { 15815 move = null; 15816 } 15817 15818 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 15819 15820 final Message msg = mHandler.obtainMessage(INIT_COPY); 15821 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 15822 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 15823 installerPackageName, volumeUuid, null, user, packageAbiOverride); 15824 mHandler.sendMessage(msg); 15825 } 15826 15827 @Override 15828 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 15829 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15830 15831 final int realMoveId = mNextMoveId.getAndIncrement(); 15832 final Bundle extras = new Bundle(); 15833 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 15834 mMoveCallbacks.notifyCreated(realMoveId, extras); 15835 15836 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 15837 @Override 15838 public void onCreated(int moveId, Bundle extras) { 15839 // Ignored 15840 } 15841 15842 @Override 15843 public void onStatusChanged(int moveId, int status, long estMillis) { 15844 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 15845 } 15846 }; 15847 15848 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15849 storage.setPrimaryStorageUuid(volumeUuid, callback); 15850 return realMoveId; 15851 } 15852 15853 @Override 15854 public int getMoveStatus(int moveId) { 15855 mContext.enforceCallingOrSelfPermission( 15856 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 15857 return mMoveCallbacks.mLastStatus.get(moveId); 15858 } 15859 15860 @Override 15861 public void registerMoveCallback(IPackageMoveObserver callback) { 15862 mContext.enforceCallingOrSelfPermission( 15863 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 15864 mMoveCallbacks.register(callback); 15865 } 15866 15867 @Override 15868 public void unregisterMoveCallback(IPackageMoveObserver callback) { 15869 mContext.enforceCallingOrSelfPermission( 15870 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 15871 mMoveCallbacks.unregister(callback); 15872 } 15873 15874 @Override 15875 public boolean setInstallLocation(int loc) { 15876 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 15877 null); 15878 if (getInstallLocation() == loc) { 15879 return true; 15880 } 15881 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 15882 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 15883 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 15884 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 15885 return true; 15886 } 15887 return false; 15888 } 15889 15890 @Override 15891 public int getInstallLocation() { 15892 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 15893 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 15894 PackageHelper.APP_INSTALL_AUTO); 15895 } 15896 15897 /** Called by UserManagerService */ 15898 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 15899 mDirtyUsers.remove(userHandle); 15900 mSettings.removeUserLPw(userHandle); 15901 mPendingBroadcasts.remove(userHandle); 15902 if (mInstaller != null) { 15903 // Technically, we shouldn't be doing this with the package lock 15904 // held. However, this is very rare, and there is already so much 15905 // other disk I/O going on, that we'll let it slide for now. 15906 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15907 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 15908 final String volumeUuid = vol.getFsUuid(); 15909 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 15910 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 15911 } 15912 } 15913 mUserNeedsBadging.delete(userHandle); 15914 removeUnusedPackagesLILPw(userManager, userHandle); 15915 } 15916 15917 /** 15918 * We're removing userHandle and would like to remove any downloaded packages 15919 * that are no longer in use by any other user. 15920 * @param userHandle the user being removed 15921 */ 15922 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 15923 final boolean DEBUG_CLEAN_APKS = false; 15924 int [] users = userManager.getUserIdsLPr(); 15925 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 15926 while (psit.hasNext()) { 15927 PackageSetting ps = psit.next(); 15928 if (ps.pkg == null) { 15929 continue; 15930 } 15931 final String packageName = ps.pkg.packageName; 15932 // Skip over if system app 15933 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 15934 continue; 15935 } 15936 if (DEBUG_CLEAN_APKS) { 15937 Slog.i(TAG, "Checking package " + packageName); 15938 } 15939 boolean keep = false; 15940 for (int i = 0; i < users.length; i++) { 15941 if (users[i] != userHandle && ps.getInstalled(users[i])) { 15942 keep = true; 15943 if (DEBUG_CLEAN_APKS) { 15944 Slog.i(TAG, " Keeping package " + packageName + " for user " 15945 + users[i]); 15946 } 15947 break; 15948 } 15949 } 15950 if (!keep) { 15951 if (DEBUG_CLEAN_APKS) { 15952 Slog.i(TAG, " Removing package " + packageName); 15953 } 15954 mHandler.post(new Runnable() { 15955 public void run() { 15956 deletePackageX(packageName, userHandle, 0); 15957 } //end run 15958 }); 15959 } 15960 } 15961 } 15962 15963 /** Called by UserManagerService */ 15964 void createNewUserLILPw(int userHandle) { 15965 if (mInstaller != null) { 15966 mInstaller.createUserConfig(userHandle); 15967 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 15968 applyFactoryDefaultBrowserLPw(userHandle); 15969 primeDomainVerificationsLPw(userHandle); 15970 } 15971 } 15972 15973 void newUserCreated(final int userHandle) { 15974 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 15975 } 15976 15977 @Override 15978 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 15979 mContext.enforceCallingOrSelfPermission( 15980 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15981 "Only package verification agents can read the verifier device identity"); 15982 15983 synchronized (mPackages) { 15984 return mSettings.getVerifierDeviceIdentityLPw(); 15985 } 15986 } 15987 15988 @Override 15989 public void setPermissionEnforced(String permission, boolean enforced) { 15990 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 15991 if (READ_EXTERNAL_STORAGE.equals(permission)) { 15992 synchronized (mPackages) { 15993 if (mSettings.mReadExternalStorageEnforced == null 15994 || mSettings.mReadExternalStorageEnforced != enforced) { 15995 mSettings.mReadExternalStorageEnforced = enforced; 15996 mSettings.writeLPr(); 15997 } 15998 } 15999 // kill any non-foreground processes so we restart them and 16000 // grant/revoke the GID. 16001 final IActivityManager am = ActivityManagerNative.getDefault(); 16002 if (am != null) { 16003 final long token = Binder.clearCallingIdentity(); 16004 try { 16005 am.killProcessesBelowForeground("setPermissionEnforcement"); 16006 } catch (RemoteException e) { 16007 } finally { 16008 Binder.restoreCallingIdentity(token); 16009 } 16010 } 16011 } else { 16012 throw new IllegalArgumentException("No selective enforcement for " + permission); 16013 } 16014 } 16015 16016 @Override 16017 @Deprecated 16018 public boolean isPermissionEnforced(String permission) { 16019 return true; 16020 } 16021 16022 @Override 16023 public boolean isStorageLow() { 16024 final long token = Binder.clearCallingIdentity(); 16025 try { 16026 final DeviceStorageMonitorInternal 16027 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16028 if (dsm != null) { 16029 return dsm.isMemoryLow(); 16030 } else { 16031 return false; 16032 } 16033 } finally { 16034 Binder.restoreCallingIdentity(token); 16035 } 16036 } 16037 16038 @Override 16039 public IPackageInstaller getPackageInstaller() { 16040 return mInstallerService; 16041 } 16042 16043 private boolean userNeedsBadging(int userId) { 16044 int index = mUserNeedsBadging.indexOfKey(userId); 16045 if (index < 0) { 16046 final UserInfo userInfo; 16047 final long token = Binder.clearCallingIdentity(); 16048 try { 16049 userInfo = sUserManager.getUserInfo(userId); 16050 } finally { 16051 Binder.restoreCallingIdentity(token); 16052 } 16053 final boolean b; 16054 if (userInfo != null && userInfo.isManagedProfile()) { 16055 b = true; 16056 } else { 16057 b = false; 16058 } 16059 mUserNeedsBadging.put(userId, b); 16060 return b; 16061 } 16062 return mUserNeedsBadging.valueAt(index); 16063 } 16064 16065 @Override 16066 public KeySet getKeySetByAlias(String packageName, String alias) { 16067 if (packageName == null || alias == null) { 16068 return null; 16069 } 16070 synchronized(mPackages) { 16071 final PackageParser.Package pkg = mPackages.get(packageName); 16072 if (pkg == null) { 16073 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16074 throw new IllegalArgumentException("Unknown package: " + packageName); 16075 } 16076 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16077 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16078 } 16079 } 16080 16081 @Override 16082 public KeySet getSigningKeySet(String packageName) { 16083 if (packageName == null) { 16084 return null; 16085 } 16086 synchronized(mPackages) { 16087 final PackageParser.Package pkg = mPackages.get(packageName); 16088 if (pkg == null) { 16089 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16090 throw new IllegalArgumentException("Unknown package: " + packageName); 16091 } 16092 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16093 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16094 throw new SecurityException("May not access signing KeySet of other apps."); 16095 } 16096 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16097 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16098 } 16099 } 16100 16101 @Override 16102 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16103 if (packageName == null || ks == null) { 16104 return false; 16105 } 16106 synchronized(mPackages) { 16107 final PackageParser.Package pkg = mPackages.get(packageName); 16108 if (pkg == null) { 16109 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16110 throw new IllegalArgumentException("Unknown package: " + packageName); 16111 } 16112 IBinder ksh = ks.getToken(); 16113 if (ksh instanceof KeySetHandle) { 16114 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16115 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16116 } 16117 return false; 16118 } 16119 } 16120 16121 @Override 16122 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16123 if (packageName == null || ks == null) { 16124 return false; 16125 } 16126 synchronized(mPackages) { 16127 final PackageParser.Package pkg = mPackages.get(packageName); 16128 if (pkg == null) { 16129 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16130 throw new IllegalArgumentException("Unknown package: " + packageName); 16131 } 16132 IBinder ksh = ks.getToken(); 16133 if (ksh instanceof KeySetHandle) { 16134 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16135 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16136 } 16137 return false; 16138 } 16139 } 16140 16141 public void getUsageStatsIfNoPackageUsageInfo() { 16142 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16143 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16144 if (usm == null) { 16145 throw new IllegalStateException("UsageStatsManager must be initialized"); 16146 } 16147 long now = System.currentTimeMillis(); 16148 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16149 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16150 String packageName = entry.getKey(); 16151 PackageParser.Package pkg = mPackages.get(packageName); 16152 if (pkg == null) { 16153 continue; 16154 } 16155 UsageStats usage = entry.getValue(); 16156 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16157 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16158 } 16159 } 16160 } 16161 16162 /** 16163 * Check and throw if the given before/after packages would be considered a 16164 * downgrade. 16165 */ 16166 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16167 throws PackageManagerException { 16168 if (after.versionCode < before.mVersionCode) { 16169 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16170 "Update version code " + after.versionCode + " is older than current " 16171 + before.mVersionCode); 16172 } else if (after.versionCode == before.mVersionCode) { 16173 if (after.baseRevisionCode < before.baseRevisionCode) { 16174 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16175 "Update base revision code " + after.baseRevisionCode 16176 + " is older than current " + before.baseRevisionCode); 16177 } 16178 16179 if (!ArrayUtils.isEmpty(after.splitNames)) { 16180 for (int i = 0; i < after.splitNames.length; i++) { 16181 final String splitName = after.splitNames[i]; 16182 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16183 if (j != -1) { 16184 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16185 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16186 "Update split " + splitName + " revision code " 16187 + after.splitRevisionCodes[i] + " is older than current " 16188 + before.splitRevisionCodes[j]); 16189 } 16190 } 16191 } 16192 } 16193 } 16194 } 16195 16196 private static class MoveCallbacks extends Handler { 16197 private static final int MSG_CREATED = 1; 16198 private static final int MSG_STATUS_CHANGED = 2; 16199 16200 private final RemoteCallbackList<IPackageMoveObserver> 16201 mCallbacks = new RemoteCallbackList<>(); 16202 16203 private final SparseIntArray mLastStatus = new SparseIntArray(); 16204 16205 public MoveCallbacks(Looper looper) { 16206 super(looper); 16207 } 16208 16209 public void register(IPackageMoveObserver callback) { 16210 mCallbacks.register(callback); 16211 } 16212 16213 public void unregister(IPackageMoveObserver callback) { 16214 mCallbacks.unregister(callback); 16215 } 16216 16217 @Override 16218 public void handleMessage(Message msg) { 16219 final SomeArgs args = (SomeArgs) msg.obj; 16220 final int n = mCallbacks.beginBroadcast(); 16221 for (int i = 0; i < n; i++) { 16222 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16223 try { 16224 invokeCallback(callback, msg.what, args); 16225 } catch (RemoteException ignored) { 16226 } 16227 } 16228 mCallbacks.finishBroadcast(); 16229 args.recycle(); 16230 } 16231 16232 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16233 throws RemoteException { 16234 switch (what) { 16235 case MSG_CREATED: { 16236 callback.onCreated(args.argi1, (Bundle) args.arg2); 16237 break; 16238 } 16239 case MSG_STATUS_CHANGED: { 16240 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16241 break; 16242 } 16243 } 16244 } 16245 16246 private void notifyCreated(int moveId, Bundle extras) { 16247 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16248 16249 final SomeArgs args = SomeArgs.obtain(); 16250 args.argi1 = moveId; 16251 args.arg2 = extras; 16252 obtainMessage(MSG_CREATED, args).sendToTarget(); 16253 } 16254 16255 private void notifyStatusChanged(int moveId, int status) { 16256 notifyStatusChanged(moveId, status, -1); 16257 } 16258 16259 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16260 Slog.v(TAG, "Move " + moveId + " status " + status); 16261 16262 final SomeArgs args = SomeArgs.obtain(); 16263 args.argi1 = moveId; 16264 args.argi2 = status; 16265 args.arg3 = estMillis; 16266 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16267 16268 synchronized (mLastStatus) { 16269 mLastStatus.put(moveId, status); 16270 } 16271 } 16272 } 16273 16274 private final class OnPermissionChangeListeners extends Handler { 16275 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16276 16277 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16278 new RemoteCallbackList<>(); 16279 16280 public OnPermissionChangeListeners(Looper looper) { 16281 super(looper); 16282 } 16283 16284 @Override 16285 public void handleMessage(Message msg) { 16286 switch (msg.what) { 16287 case MSG_ON_PERMISSIONS_CHANGED: { 16288 final int uid = msg.arg1; 16289 handleOnPermissionsChanged(uid); 16290 } break; 16291 } 16292 } 16293 16294 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16295 mPermissionListeners.register(listener); 16296 16297 } 16298 16299 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16300 mPermissionListeners.unregister(listener); 16301 } 16302 16303 public void onPermissionsChanged(int uid) { 16304 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16305 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16306 } 16307 } 16308 16309 private void handleOnPermissionsChanged(int uid) { 16310 final int count = mPermissionListeners.beginBroadcast(); 16311 try { 16312 for (int i = 0; i < count; i++) { 16313 IOnPermissionsChangeListener callback = mPermissionListeners 16314 .getBroadcastItem(i); 16315 try { 16316 callback.onPermissionsChanged(uid); 16317 } catch (RemoteException e) { 16318 Log.e(TAG, "Permission listener is dead", e); 16319 } 16320 } 16321 } finally { 16322 mPermissionListeners.finishBroadcast(); 16323 } 16324 } 16325 } 16326 16327 private class PackageManagerInternalImpl extends PackageManagerInternal { 16328 @Override 16329 public void setLocationPackagesProvider(PackagesProvider provider) { 16330 synchronized (mPackages) { 16331 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16332 } 16333 } 16334 16335 @Override 16336 public void setImePackagesProvider(PackagesProvider provider) { 16337 synchronized (mPackages) { 16338 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16339 } 16340 } 16341 16342 @Override 16343 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16344 synchronized (mPackages) { 16345 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16346 } 16347 } 16348 16349 @Override 16350 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16351 synchronized (mPackages) { 16352 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16353 } 16354 } 16355 16356 @Override 16357 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16358 synchronized (mPackages) { 16359 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16360 } 16361 } 16362 16363 @Override 16364 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16365 synchronized (mPackages) { 16366 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderrLPw(provider); 16367 } 16368 } 16369 16370 @Override 16371 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16372 synchronized (mPackages) { 16373 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16374 packageName, userId); 16375 } 16376 } 16377 16378 @Override 16379 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16380 synchronized (mPackages) { 16381 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16382 packageName, userId); 16383 } 16384 } 16385 } 16386 16387 @Override 16388 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16389 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16390 synchronized (mPackages) { 16391 final long identity = Binder.clearCallingIdentity(); 16392 try { 16393 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16394 packageNames, userId); 16395 } finally { 16396 Binder.restoreCallingIdentity(identity); 16397 } 16398 } 16399 } 16400 16401 private static void enforceSystemOrPhoneCaller(String tag) { 16402 int callingUid = Binder.getCallingUid(); 16403 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16404 throw new SecurityException( 16405 "Cannot call " + tag + " from UID " + callingUid); 16406 } 16407 } 16408} 16409