PackageManagerService.java revision 292eb65f1ee0747e60899c1b1d0b6cb16c9cd37a
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 && sUserManager.isInitialized(userId)) { 3467 final long token = Binder.clearCallingIdentity(); 3468 try { 3469 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3470 storage.remountUid(uid); 3471 } finally { 3472 Binder.restoreCallingIdentity(token); 3473 } 3474 } 3475 } 3476 3477 @Override 3478 public void revokeRuntimePermission(String packageName, String name, int userId) { 3479 if (!sUserManager.exists(userId)) { 3480 Log.e(TAG, "No such user:" + userId); 3481 return; 3482 } 3483 3484 mContext.enforceCallingOrSelfPermission( 3485 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3486 "revokeRuntimePermission"); 3487 3488 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3489 "revokeRuntimePermission"); 3490 3491 final SettingBase sb; 3492 3493 synchronized (mPackages) { 3494 final PackageParser.Package pkg = mPackages.get(packageName); 3495 if (pkg == null) { 3496 throw new IllegalArgumentException("Unknown package: " + packageName); 3497 } 3498 3499 final BasePermission bp = mSettings.mPermissions.get(name); 3500 if (bp == null) { 3501 throw new IllegalArgumentException("Unknown permission: " + name); 3502 } 3503 3504 enforceDeclaredAsUsedAndRuntimePermission(pkg, bp); 3505 3506 sb = (SettingBase) pkg.mExtras; 3507 if (sb == null) { 3508 throw new IllegalArgumentException("Unknown package: " + packageName); 3509 } 3510 3511 final PermissionsState permissionsState = sb.getPermissionsState(); 3512 3513 final int flags = permissionsState.getPermissionFlags(name, userId); 3514 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3515 throw new SecurityException("Cannot revoke system fixed permission: " 3516 + name + " for package: " + packageName); 3517 } 3518 3519 if (permissionsState.revokeRuntimePermission(bp, userId) == 3520 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3521 return; 3522 } 3523 3524 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3525 3526 // Critical, after this call app should never have the permission. 3527 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3528 } 3529 3530 killSettingPackagesForUser(sb, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3531 } 3532 3533 @Override 3534 public void resetRuntimePermissions() { 3535 mContext.enforceCallingOrSelfPermission( 3536 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3537 "revokeRuntimePermission"); 3538 3539 int callingUid = Binder.getCallingUid(); 3540 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3541 mContext.enforceCallingOrSelfPermission( 3542 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3543 "resetRuntimePermissions"); 3544 } 3545 3546 final int[] userIds; 3547 3548 synchronized (mPackages) { 3549 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3550 final int userCount = UserManagerService.getInstance().getUserIds().length; 3551 userIds = Arrays.copyOf(UserManagerService.getInstance().getUserIds(), userCount); 3552 } 3553 3554 for (int userId : userIds) { 3555 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 3556 } 3557 } 3558 3559 @Override 3560 public int getPermissionFlags(String name, String packageName, int userId) { 3561 if (!sUserManager.exists(userId)) { 3562 return 0; 3563 } 3564 3565 mContext.enforceCallingOrSelfPermission( 3566 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3567 "getPermissionFlags"); 3568 3569 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3570 "getPermissionFlags"); 3571 3572 synchronized (mPackages) { 3573 final PackageParser.Package pkg = mPackages.get(packageName); 3574 if (pkg == null) { 3575 throw new IllegalArgumentException("Unknown package: " + packageName); 3576 } 3577 3578 final BasePermission bp = mSettings.mPermissions.get(name); 3579 if (bp == null) { 3580 throw new IllegalArgumentException("Unknown permission: " + name); 3581 } 3582 3583 SettingBase sb = (SettingBase) pkg.mExtras; 3584 if (sb == null) { 3585 throw new IllegalArgumentException("Unknown package: " + packageName); 3586 } 3587 3588 PermissionsState permissionsState = sb.getPermissionsState(); 3589 return permissionsState.getPermissionFlags(name, userId); 3590 } 3591 } 3592 3593 @Override 3594 public void updatePermissionFlags(String name, String packageName, int flagMask, 3595 int flagValues, int userId) { 3596 if (!sUserManager.exists(userId)) { 3597 return; 3598 } 3599 3600 mContext.enforceCallingOrSelfPermission( 3601 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3602 "updatePermissionFlags"); 3603 3604 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3605 "updatePermissionFlags"); 3606 3607 // Only the system can change system fixed flags. 3608 if (getCallingUid() != Process.SYSTEM_UID) { 3609 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3610 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3611 } 3612 3613 synchronized (mPackages) { 3614 final PackageParser.Package pkg = mPackages.get(packageName); 3615 if (pkg == null) { 3616 throw new IllegalArgumentException("Unknown package: " + packageName); 3617 } 3618 3619 final BasePermission bp = mSettings.mPermissions.get(name); 3620 if (bp == null) { 3621 throw new IllegalArgumentException("Unknown permission: " + name); 3622 } 3623 3624 SettingBase sb = (SettingBase) pkg.mExtras; 3625 if (sb == null) { 3626 throw new IllegalArgumentException("Unknown package: " + packageName); 3627 } 3628 3629 PermissionsState permissionsState = sb.getPermissionsState(); 3630 3631 // Only the package manager can change flags for system component permissions. 3632 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3633 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3634 return; 3635 } 3636 3637 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3638 3639 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3640 // Install and runtime permissions are stored in different places, 3641 // so figure out what permission changed and persist the change. 3642 if (permissionsState.getInstallPermissionState(name) != null) { 3643 scheduleWriteSettingsLocked(); 3644 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3645 || hadState) { 3646 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3647 } 3648 } 3649 } 3650 } 3651 3652 /** 3653 * Update the permission flags for all packages and runtime permissions of a user in order 3654 * to allow device or profile owner to remove POLICY_FIXED. 3655 */ 3656 @Override 3657 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3658 if (!sUserManager.exists(userId)) { 3659 return; 3660 } 3661 3662 mContext.enforceCallingOrSelfPermission( 3663 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, 3664 "updatePermissionFlagsForAllApps"); 3665 3666 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3667 "updatePermissionFlagsForAllApps"); 3668 3669 // Only the system can change system fixed flags. 3670 if (getCallingUid() != Process.SYSTEM_UID) { 3671 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3672 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3673 } 3674 3675 synchronized (mPackages) { 3676 boolean changed = false; 3677 final int packageCount = mPackages.size(); 3678 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3679 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3680 SettingBase sb = (SettingBase) pkg.mExtras; 3681 if (sb == null) { 3682 continue; 3683 } 3684 PermissionsState permissionsState = sb.getPermissionsState(); 3685 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3686 userId, flagMask, flagValues); 3687 } 3688 if (changed) { 3689 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3690 } 3691 } 3692 } 3693 3694 @Override 3695 public boolean shouldShowRequestPermissionRationale(String permissionName, 3696 String packageName, int userId) { 3697 if (UserHandle.getCallingUserId() != userId) { 3698 mContext.enforceCallingPermission( 3699 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3700 "canShowRequestPermissionRationale for user " + userId); 3701 } 3702 3703 final int uid = getPackageUid(packageName, userId); 3704 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3705 return false; 3706 } 3707 3708 if (checkPermission(permissionName, packageName, userId) 3709 == PackageManager.PERMISSION_GRANTED) { 3710 return false; 3711 } 3712 3713 final int flags; 3714 3715 final long identity = Binder.clearCallingIdentity(); 3716 try { 3717 flags = getPermissionFlags(permissionName, 3718 packageName, userId); 3719 } finally { 3720 Binder.restoreCallingIdentity(identity); 3721 } 3722 3723 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3724 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3725 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3726 3727 if ((flags & fixedFlags) != 0) { 3728 return false; 3729 } 3730 3731 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3732 } 3733 3734 void grantInstallPermissionLPw(String permission, PackageParser.Package pkg) { 3735 BasePermission bp = mSettings.mPermissions.get(permission); 3736 if (bp == null) { 3737 throw new SecurityException("Missing " + permission + " permission"); 3738 } 3739 3740 SettingBase sb = (SettingBase) pkg.mExtras; 3741 PermissionsState permissionsState = sb.getPermissionsState(); 3742 3743 if (permissionsState.grantInstallPermission(bp) != 3744 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3745 scheduleWriteSettingsLocked(); 3746 } 3747 } 3748 3749 @Override 3750 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3751 mContext.enforceCallingOrSelfPermission( 3752 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3753 "addOnPermissionsChangeListener"); 3754 3755 synchronized (mPackages) { 3756 mOnPermissionChangeListeners.addListenerLocked(listener); 3757 } 3758 } 3759 3760 @Override 3761 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3762 synchronized (mPackages) { 3763 mOnPermissionChangeListeners.removeListenerLocked(listener); 3764 } 3765 } 3766 3767 @Override 3768 public boolean isProtectedBroadcast(String actionName) { 3769 synchronized (mPackages) { 3770 return mProtectedBroadcasts.contains(actionName); 3771 } 3772 } 3773 3774 @Override 3775 public int checkSignatures(String pkg1, String pkg2) { 3776 synchronized (mPackages) { 3777 final PackageParser.Package p1 = mPackages.get(pkg1); 3778 final PackageParser.Package p2 = mPackages.get(pkg2); 3779 if (p1 == null || p1.mExtras == null 3780 || p2 == null || p2.mExtras == null) { 3781 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3782 } 3783 return compareSignatures(p1.mSignatures, p2.mSignatures); 3784 } 3785 } 3786 3787 @Override 3788 public int checkUidSignatures(int uid1, int uid2) { 3789 // Map to base uids. 3790 uid1 = UserHandle.getAppId(uid1); 3791 uid2 = UserHandle.getAppId(uid2); 3792 // reader 3793 synchronized (mPackages) { 3794 Signature[] s1; 3795 Signature[] s2; 3796 Object obj = mSettings.getUserIdLPr(uid1); 3797 if (obj != null) { 3798 if (obj instanceof SharedUserSetting) { 3799 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3800 } else if (obj instanceof PackageSetting) { 3801 s1 = ((PackageSetting)obj).signatures.mSignatures; 3802 } else { 3803 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3804 } 3805 } else { 3806 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3807 } 3808 obj = mSettings.getUserIdLPr(uid2); 3809 if (obj != null) { 3810 if (obj instanceof SharedUserSetting) { 3811 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3812 } else if (obj instanceof PackageSetting) { 3813 s2 = ((PackageSetting)obj).signatures.mSignatures; 3814 } else { 3815 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3816 } 3817 } else { 3818 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3819 } 3820 return compareSignatures(s1, s2); 3821 } 3822 } 3823 3824 private void killSettingPackagesForUser(SettingBase sb, int userId, String reason) { 3825 final long identity = Binder.clearCallingIdentity(); 3826 try { 3827 if (sb instanceof SharedUserSetting) { 3828 SharedUserSetting sus = (SharedUserSetting) sb; 3829 final int packageCount = sus.packages.size(); 3830 for (int i = 0; i < packageCount; i++) { 3831 PackageSetting susPs = sus.packages.valueAt(i); 3832 if (userId == UserHandle.USER_ALL) { 3833 killApplication(susPs.pkg.packageName, susPs.appId, reason); 3834 } else { 3835 final int uid = UserHandle.getUid(userId, susPs.appId); 3836 killUid(uid, reason); 3837 } 3838 } 3839 } else if (sb instanceof PackageSetting) { 3840 PackageSetting ps = (PackageSetting) sb; 3841 if (userId == UserHandle.USER_ALL) { 3842 killApplication(ps.pkg.packageName, ps.appId, reason); 3843 } else { 3844 final int uid = UserHandle.getUid(userId, ps.appId); 3845 killUid(uid, reason); 3846 } 3847 } 3848 } finally { 3849 Binder.restoreCallingIdentity(identity); 3850 } 3851 } 3852 3853 private static void killUid(int uid, String reason) { 3854 IActivityManager am = ActivityManagerNative.getDefault(); 3855 if (am != null) { 3856 try { 3857 am.killUid(uid, reason); 3858 } catch (RemoteException e) { 3859 /* ignore - same process */ 3860 } 3861 } 3862 } 3863 3864 /** 3865 * Compares two sets of signatures. Returns: 3866 * <br /> 3867 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3868 * <br /> 3869 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3870 * <br /> 3871 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3872 * <br /> 3873 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3874 * <br /> 3875 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3876 */ 3877 static int compareSignatures(Signature[] s1, Signature[] s2) { 3878 if (s1 == null) { 3879 return s2 == null 3880 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3881 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3882 } 3883 3884 if (s2 == null) { 3885 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3886 } 3887 3888 if (s1.length != s2.length) { 3889 return PackageManager.SIGNATURE_NO_MATCH; 3890 } 3891 3892 // Since both signature sets are of size 1, we can compare without HashSets. 3893 if (s1.length == 1) { 3894 return s1[0].equals(s2[0]) ? 3895 PackageManager.SIGNATURE_MATCH : 3896 PackageManager.SIGNATURE_NO_MATCH; 3897 } 3898 3899 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3900 for (Signature sig : s1) { 3901 set1.add(sig); 3902 } 3903 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3904 for (Signature sig : s2) { 3905 set2.add(sig); 3906 } 3907 // Make sure s2 contains all signatures in s1. 3908 if (set1.equals(set2)) { 3909 return PackageManager.SIGNATURE_MATCH; 3910 } 3911 return PackageManager.SIGNATURE_NO_MATCH; 3912 } 3913 3914 /** 3915 * If the database version for this type of package (internal storage or 3916 * external storage) is less than the version where package signatures 3917 * were updated, return true. 3918 */ 3919 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3920 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 3921 DatabaseVersion.SIGNATURE_END_ENTITY)) 3922 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 3923 DatabaseVersion.SIGNATURE_END_ENTITY)); 3924 } 3925 3926 /** 3927 * Used for backward compatibility to make sure any packages with 3928 * certificate chains get upgraded to the new style. {@code existingSigs} 3929 * will be in the old format (since they were stored on disk from before the 3930 * system upgrade) and {@code scannedSigs} will be in the newer format. 3931 */ 3932 private int compareSignaturesCompat(PackageSignatures existingSigs, 3933 PackageParser.Package scannedPkg) { 3934 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3935 return PackageManager.SIGNATURE_NO_MATCH; 3936 } 3937 3938 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3939 for (Signature sig : existingSigs.mSignatures) { 3940 existingSet.add(sig); 3941 } 3942 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3943 for (Signature sig : scannedPkg.mSignatures) { 3944 try { 3945 Signature[] chainSignatures = sig.getChainSignatures(); 3946 for (Signature chainSig : chainSignatures) { 3947 scannedCompatSet.add(chainSig); 3948 } 3949 } catch (CertificateEncodingException e) { 3950 scannedCompatSet.add(sig); 3951 } 3952 } 3953 /* 3954 * Make sure the expanded scanned set contains all signatures in the 3955 * existing one. 3956 */ 3957 if (scannedCompatSet.equals(existingSet)) { 3958 // Migrate the old signatures to the new scheme. 3959 existingSigs.assignSignatures(scannedPkg.mSignatures); 3960 // The new KeySets will be re-added later in the scanning process. 3961 synchronized (mPackages) { 3962 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 3963 } 3964 return PackageManager.SIGNATURE_MATCH; 3965 } 3966 return PackageManager.SIGNATURE_NO_MATCH; 3967 } 3968 3969 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3970 if (isExternal(scannedPkg)) { 3971 return mSettings.isExternalDatabaseVersionOlderThan( 3972 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3973 } else { 3974 return mSettings.isInternalDatabaseVersionOlderThan( 3975 DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); 3976 } 3977 } 3978 3979 private int compareSignaturesRecover(PackageSignatures existingSigs, 3980 PackageParser.Package scannedPkg) { 3981 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 3982 return PackageManager.SIGNATURE_NO_MATCH; 3983 } 3984 3985 String msg = null; 3986 try { 3987 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 3988 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 3989 + scannedPkg.packageName); 3990 return PackageManager.SIGNATURE_MATCH; 3991 } 3992 } catch (CertificateException e) { 3993 msg = e.getMessage(); 3994 } 3995 3996 logCriticalInfo(Log.INFO, 3997 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 3998 return PackageManager.SIGNATURE_NO_MATCH; 3999 } 4000 4001 @Override 4002 public String[] getPackagesForUid(int uid) { 4003 uid = UserHandle.getAppId(uid); 4004 // reader 4005 synchronized (mPackages) { 4006 Object obj = mSettings.getUserIdLPr(uid); 4007 if (obj instanceof SharedUserSetting) { 4008 final SharedUserSetting sus = (SharedUserSetting) obj; 4009 final int N = sus.packages.size(); 4010 final String[] res = new String[N]; 4011 final Iterator<PackageSetting> it = sus.packages.iterator(); 4012 int i = 0; 4013 while (it.hasNext()) { 4014 res[i++] = it.next().name; 4015 } 4016 return res; 4017 } else if (obj instanceof PackageSetting) { 4018 final PackageSetting ps = (PackageSetting) obj; 4019 return new String[] { ps.name }; 4020 } 4021 } 4022 return null; 4023 } 4024 4025 @Override 4026 public String getNameForUid(int uid) { 4027 // reader 4028 synchronized (mPackages) { 4029 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4030 if (obj instanceof SharedUserSetting) { 4031 final SharedUserSetting sus = (SharedUserSetting) obj; 4032 return sus.name + ":" + sus.userId; 4033 } else if (obj instanceof PackageSetting) { 4034 final PackageSetting ps = (PackageSetting) obj; 4035 return ps.name; 4036 } 4037 } 4038 return null; 4039 } 4040 4041 @Override 4042 public int getUidForSharedUser(String sharedUserName) { 4043 if(sharedUserName == null) { 4044 return -1; 4045 } 4046 // reader 4047 synchronized (mPackages) { 4048 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4049 if (suid == null) { 4050 return -1; 4051 } 4052 return suid.userId; 4053 } 4054 } 4055 4056 @Override 4057 public int getFlagsForUid(int uid) { 4058 synchronized (mPackages) { 4059 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4060 if (obj instanceof SharedUserSetting) { 4061 final SharedUserSetting sus = (SharedUserSetting) obj; 4062 return sus.pkgFlags; 4063 } else if (obj instanceof PackageSetting) { 4064 final PackageSetting ps = (PackageSetting) obj; 4065 return ps.pkgFlags; 4066 } 4067 } 4068 return 0; 4069 } 4070 4071 @Override 4072 public int getPrivateFlagsForUid(int uid) { 4073 synchronized (mPackages) { 4074 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4075 if (obj instanceof SharedUserSetting) { 4076 final SharedUserSetting sus = (SharedUserSetting) obj; 4077 return sus.pkgPrivateFlags; 4078 } else if (obj instanceof PackageSetting) { 4079 final PackageSetting ps = (PackageSetting) obj; 4080 return ps.pkgPrivateFlags; 4081 } 4082 } 4083 return 0; 4084 } 4085 4086 @Override 4087 public boolean isUidPrivileged(int uid) { 4088 uid = UserHandle.getAppId(uid); 4089 // reader 4090 synchronized (mPackages) { 4091 Object obj = mSettings.getUserIdLPr(uid); 4092 if (obj instanceof SharedUserSetting) { 4093 final SharedUserSetting sus = (SharedUserSetting) obj; 4094 final Iterator<PackageSetting> it = sus.packages.iterator(); 4095 while (it.hasNext()) { 4096 if (it.next().isPrivileged()) { 4097 return true; 4098 } 4099 } 4100 } else if (obj instanceof PackageSetting) { 4101 final PackageSetting ps = (PackageSetting) obj; 4102 return ps.isPrivileged(); 4103 } 4104 } 4105 return false; 4106 } 4107 4108 @Override 4109 public String[] getAppOpPermissionPackages(String permissionName) { 4110 synchronized (mPackages) { 4111 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4112 if (pkgs == null) { 4113 return null; 4114 } 4115 return pkgs.toArray(new String[pkgs.size()]); 4116 } 4117 } 4118 4119 @Override 4120 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4121 int flags, int userId) { 4122 if (!sUserManager.exists(userId)) return null; 4123 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4124 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4125 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4126 } 4127 4128 @Override 4129 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4130 IntentFilter filter, int match, ComponentName activity) { 4131 final int userId = UserHandle.getCallingUserId(); 4132 if (DEBUG_PREFERRED) { 4133 Log.v(TAG, "setLastChosenActivity intent=" + intent 4134 + " resolvedType=" + resolvedType 4135 + " flags=" + flags 4136 + " filter=" + filter 4137 + " match=" + match 4138 + " activity=" + activity); 4139 filter.dump(new PrintStreamPrinter(System.out), " "); 4140 } 4141 intent.setComponent(null); 4142 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4143 // Find any earlier preferred or last chosen entries and nuke them 4144 findPreferredActivity(intent, resolvedType, 4145 flags, query, 0, false, true, false, userId); 4146 // Add the new activity as the last chosen for this filter 4147 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4148 "Setting last chosen"); 4149 } 4150 4151 @Override 4152 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4153 final int userId = UserHandle.getCallingUserId(); 4154 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4155 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4156 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4157 false, false, false, userId); 4158 } 4159 4160 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4161 int flags, List<ResolveInfo> query, int userId) { 4162 if (query != null) { 4163 final int N = query.size(); 4164 if (N == 1) { 4165 return query.get(0); 4166 } else if (N > 1) { 4167 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4168 // If there is more than one activity with the same priority, 4169 // then let the user decide between them. 4170 ResolveInfo r0 = query.get(0); 4171 ResolveInfo r1 = query.get(1); 4172 if (DEBUG_INTENT_MATCHING || debug) { 4173 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4174 + r1.activityInfo.name + "=" + r1.priority); 4175 } 4176 // If the first activity has a higher priority, or a different 4177 // default, then it is always desireable to pick it. 4178 if (r0.priority != r1.priority 4179 || r0.preferredOrder != r1.preferredOrder 4180 || r0.isDefault != r1.isDefault) { 4181 return query.get(0); 4182 } 4183 // If we have saved a preference for a preferred activity for 4184 // this Intent, use that. 4185 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4186 flags, query, r0.priority, true, false, debug, userId); 4187 if (ri != null) { 4188 return ri; 4189 } 4190 if (userId != 0) { 4191 ri = new ResolveInfo(mResolveInfo); 4192 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4193 ri.activityInfo.applicationInfo = new ApplicationInfo( 4194 ri.activityInfo.applicationInfo); 4195 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4196 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4197 return ri; 4198 } 4199 return mResolveInfo; 4200 } 4201 } 4202 return null; 4203 } 4204 4205 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4206 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4207 final int N = query.size(); 4208 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4209 .get(userId); 4210 // Get the list of persistent preferred activities that handle the intent 4211 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4212 List<PersistentPreferredActivity> pprefs = ppir != null 4213 ? ppir.queryIntent(intent, resolvedType, 4214 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4215 : null; 4216 if (pprefs != null && pprefs.size() > 0) { 4217 final int M = pprefs.size(); 4218 for (int i=0; i<M; i++) { 4219 final PersistentPreferredActivity ppa = pprefs.get(i); 4220 if (DEBUG_PREFERRED || debug) { 4221 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4222 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4223 + "\n component=" + ppa.mComponent); 4224 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4225 } 4226 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4227 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4228 if (DEBUG_PREFERRED || debug) { 4229 Slog.v(TAG, "Found persistent preferred activity:"); 4230 if (ai != null) { 4231 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4232 } else { 4233 Slog.v(TAG, " null"); 4234 } 4235 } 4236 if (ai == null) { 4237 // This previously registered persistent preferred activity 4238 // component is no longer known. Ignore it and do NOT remove it. 4239 continue; 4240 } 4241 for (int j=0; j<N; j++) { 4242 final ResolveInfo ri = query.get(j); 4243 if (!ri.activityInfo.applicationInfo.packageName 4244 .equals(ai.applicationInfo.packageName)) { 4245 continue; 4246 } 4247 if (!ri.activityInfo.name.equals(ai.name)) { 4248 continue; 4249 } 4250 // Found a persistent preference that can handle the intent. 4251 if (DEBUG_PREFERRED || debug) { 4252 Slog.v(TAG, "Returning persistent preferred activity: " + 4253 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4254 } 4255 return ri; 4256 } 4257 } 4258 } 4259 return null; 4260 } 4261 4262 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4263 List<ResolveInfo> query, int priority, boolean always, 4264 boolean removeMatches, boolean debug, int userId) { 4265 if (!sUserManager.exists(userId)) return null; 4266 // writer 4267 synchronized (mPackages) { 4268 if (intent.getSelector() != null) { 4269 intent = intent.getSelector(); 4270 } 4271 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4272 4273 // Try to find a matching persistent preferred activity. 4274 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4275 debug, userId); 4276 4277 // If a persistent preferred activity matched, use it. 4278 if (pri != null) { 4279 return pri; 4280 } 4281 4282 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4283 // Get the list of preferred activities that handle the intent 4284 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4285 List<PreferredActivity> prefs = pir != null 4286 ? pir.queryIntent(intent, resolvedType, 4287 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4288 : null; 4289 if (prefs != null && prefs.size() > 0) { 4290 boolean changed = false; 4291 try { 4292 // First figure out how good the original match set is. 4293 // We will only allow preferred activities that came 4294 // from the same match quality. 4295 int match = 0; 4296 4297 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4298 4299 final int N = query.size(); 4300 for (int j=0; j<N; j++) { 4301 final ResolveInfo ri = query.get(j); 4302 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4303 + ": 0x" + Integer.toHexString(match)); 4304 if (ri.match > match) { 4305 match = ri.match; 4306 } 4307 } 4308 4309 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4310 + Integer.toHexString(match)); 4311 4312 match &= IntentFilter.MATCH_CATEGORY_MASK; 4313 final int M = prefs.size(); 4314 for (int i=0; i<M; i++) { 4315 final PreferredActivity pa = prefs.get(i); 4316 if (DEBUG_PREFERRED || debug) { 4317 Slog.v(TAG, "Checking PreferredActivity ds=" 4318 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4319 + "\n component=" + pa.mPref.mComponent); 4320 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4321 } 4322 if (pa.mPref.mMatch != match) { 4323 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4324 + Integer.toHexString(pa.mPref.mMatch)); 4325 continue; 4326 } 4327 // If it's not an "always" type preferred activity and that's what we're 4328 // looking for, skip it. 4329 if (always && !pa.mPref.mAlways) { 4330 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4331 continue; 4332 } 4333 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4334 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4335 if (DEBUG_PREFERRED || debug) { 4336 Slog.v(TAG, "Found preferred activity:"); 4337 if (ai != null) { 4338 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4339 } else { 4340 Slog.v(TAG, " null"); 4341 } 4342 } 4343 if (ai == null) { 4344 // This previously registered preferred activity 4345 // component is no longer known. Most likely an update 4346 // to the app was installed and in the new version this 4347 // component no longer exists. Clean it up by removing 4348 // it from the preferred activities list, and skip it. 4349 Slog.w(TAG, "Removing dangling preferred activity: " 4350 + pa.mPref.mComponent); 4351 pir.removeFilter(pa); 4352 changed = true; 4353 continue; 4354 } 4355 for (int j=0; j<N; j++) { 4356 final ResolveInfo ri = query.get(j); 4357 if (!ri.activityInfo.applicationInfo.packageName 4358 .equals(ai.applicationInfo.packageName)) { 4359 continue; 4360 } 4361 if (!ri.activityInfo.name.equals(ai.name)) { 4362 continue; 4363 } 4364 4365 if (removeMatches) { 4366 pir.removeFilter(pa); 4367 changed = true; 4368 if (DEBUG_PREFERRED) { 4369 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4370 } 4371 break; 4372 } 4373 4374 // Okay we found a previously set preferred or last chosen app. 4375 // If the result set is different from when this 4376 // was created, we need to clear it and re-ask the 4377 // user their preference, if we're looking for an "always" type entry. 4378 if (always && !pa.mPref.sameSet(query)) { 4379 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4380 + intent + " type " + resolvedType); 4381 if (DEBUG_PREFERRED) { 4382 Slog.v(TAG, "Removing preferred activity since set changed " 4383 + pa.mPref.mComponent); 4384 } 4385 pir.removeFilter(pa); 4386 // Re-add the filter as a "last chosen" entry (!always) 4387 PreferredActivity lastChosen = new PreferredActivity( 4388 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4389 pir.addFilter(lastChosen); 4390 changed = true; 4391 return null; 4392 } 4393 4394 // Yay! Either the set matched or we're looking for the last chosen 4395 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4396 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4397 return ri; 4398 } 4399 } 4400 } finally { 4401 if (changed) { 4402 if (DEBUG_PREFERRED) { 4403 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4404 } 4405 scheduleWritePackageRestrictionsLocked(userId); 4406 } 4407 } 4408 } 4409 } 4410 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4411 return null; 4412 } 4413 4414 /* 4415 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4416 */ 4417 @Override 4418 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4419 int targetUserId) { 4420 mContext.enforceCallingOrSelfPermission( 4421 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4422 List<CrossProfileIntentFilter> matches = 4423 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4424 if (matches != null) { 4425 int size = matches.size(); 4426 for (int i = 0; i < size; i++) { 4427 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4428 } 4429 } 4430 if (hasWebURI(intent)) { 4431 // cross-profile app linking works only towards the parent. 4432 final UserInfo parent = getProfileParent(sourceUserId); 4433 synchronized(mPackages) { 4434 return getCrossProfileDomainPreferredLpr(intent, resolvedType, 0, sourceUserId, 4435 parent.id) != null; 4436 } 4437 } 4438 return false; 4439 } 4440 4441 private UserInfo getProfileParent(int userId) { 4442 final long identity = Binder.clearCallingIdentity(); 4443 try { 4444 return sUserManager.getProfileParent(userId); 4445 } finally { 4446 Binder.restoreCallingIdentity(identity); 4447 } 4448 } 4449 4450 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4451 String resolvedType, int userId) { 4452 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4453 if (resolver != null) { 4454 return resolver.queryIntent(intent, resolvedType, false, userId); 4455 } 4456 return null; 4457 } 4458 4459 @Override 4460 public List<ResolveInfo> queryIntentActivities(Intent intent, 4461 String resolvedType, int flags, int userId) { 4462 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4463 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4464 ComponentName comp = intent.getComponent(); 4465 if (comp == null) { 4466 if (intent.getSelector() != null) { 4467 intent = intent.getSelector(); 4468 comp = intent.getComponent(); 4469 } 4470 } 4471 4472 if (comp != null) { 4473 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4474 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4475 if (ai != null) { 4476 final ResolveInfo ri = new ResolveInfo(); 4477 ri.activityInfo = ai; 4478 list.add(ri); 4479 } 4480 return list; 4481 } 4482 4483 // reader 4484 synchronized (mPackages) { 4485 final String pkgName = intent.getPackage(); 4486 if (pkgName == null) { 4487 List<CrossProfileIntentFilter> matchingFilters = 4488 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4489 // Check for results that need to skip the current profile. 4490 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4491 resolvedType, flags, userId); 4492 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4493 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4494 result.add(xpResolveInfo); 4495 return filterIfNotPrimaryUser(result, userId); 4496 } 4497 4498 // Check for results in the current profile. 4499 List<ResolveInfo> result = mActivities.queryIntent( 4500 intent, resolvedType, flags, userId); 4501 4502 // Check for cross profile results. 4503 xpResolveInfo = queryCrossProfileIntents( 4504 matchingFilters, intent, resolvedType, flags, userId); 4505 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4506 result.add(xpResolveInfo); 4507 Collections.sort(result, mResolvePrioritySorter); 4508 } 4509 result = filterIfNotPrimaryUser(result, userId); 4510 if (hasWebURI(intent)) { 4511 CrossProfileDomainInfo xpDomainInfo = null; 4512 final UserInfo parent = getProfileParent(userId); 4513 if (parent != null) { 4514 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4515 flags, userId, parent.id); 4516 } 4517 if (xpDomainInfo != null) { 4518 if (xpResolveInfo != null) { 4519 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4520 // in the result. 4521 result.remove(xpResolveInfo); 4522 } 4523 if (result.size() == 0) { 4524 result.add(xpDomainInfo.resolveInfo); 4525 return result; 4526 } 4527 } else if (result.size() <= 1) { 4528 return result; 4529 } 4530 result = filterCandidatesWithDomainPreferredActivitiesLPr(flags, result, 4531 xpDomainInfo); 4532 Collections.sort(result, mResolvePrioritySorter); 4533 } 4534 return result; 4535 } 4536 final PackageParser.Package pkg = mPackages.get(pkgName); 4537 if (pkg != null) { 4538 return filterIfNotPrimaryUser( 4539 mActivities.queryIntentForPackage( 4540 intent, resolvedType, flags, pkg.activities, userId), 4541 userId); 4542 } 4543 return new ArrayList<ResolveInfo>(); 4544 } 4545 } 4546 4547 private static class CrossProfileDomainInfo { 4548 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4549 ResolveInfo resolveInfo; 4550 /* Best domain verification status of the activities found in the other profile */ 4551 int bestDomainVerificationStatus; 4552 } 4553 4554 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4555 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4556 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4557 sourceUserId)) { 4558 return null; 4559 } 4560 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4561 resolvedType, flags, parentUserId); 4562 4563 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4564 return null; 4565 } 4566 CrossProfileDomainInfo result = null; 4567 int size = resultTargetUser.size(); 4568 for (int i = 0; i < size; i++) { 4569 ResolveInfo riTargetUser = resultTargetUser.get(i); 4570 // Intent filter verification is only for filters that specify a host. So don't return 4571 // those that handle all web uris. 4572 if (riTargetUser.handleAllWebDataURI) { 4573 continue; 4574 } 4575 String packageName = riTargetUser.activityInfo.packageName; 4576 PackageSetting ps = mSettings.mPackages.get(packageName); 4577 if (ps == null) { 4578 continue; 4579 } 4580 int status = getDomainVerificationStatusLPr(ps, parentUserId); 4581 if (result == null) { 4582 result = new CrossProfileDomainInfo(); 4583 result.resolveInfo = 4584 createForwardingResolveInfo(null, sourceUserId, parentUserId); 4585 result.bestDomainVerificationStatus = status; 4586 } else { 4587 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4588 result.bestDomainVerificationStatus); 4589 } 4590 } 4591 return result; 4592 } 4593 4594 /** 4595 * Verification statuses are ordered from the worse to the best, except for 4596 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4597 */ 4598 private int bestDomainVerificationStatus(int status1, int status2) { 4599 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4600 return status2; 4601 } 4602 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4603 return status1; 4604 } 4605 return (int) MathUtils.max(status1, status2); 4606 } 4607 4608 private boolean isUserEnabled(int userId) { 4609 long callingId = Binder.clearCallingIdentity(); 4610 try { 4611 UserInfo userInfo = sUserManager.getUserInfo(userId); 4612 return userInfo != null && userInfo.isEnabled(); 4613 } finally { 4614 Binder.restoreCallingIdentity(callingId); 4615 } 4616 } 4617 4618 /** 4619 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4620 * 4621 * @return filtered list 4622 */ 4623 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4624 if (userId == UserHandle.USER_OWNER) { 4625 return resolveInfos; 4626 } 4627 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4628 ResolveInfo info = resolveInfos.get(i); 4629 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4630 resolveInfos.remove(i); 4631 } 4632 } 4633 return resolveInfos; 4634 } 4635 4636 private static boolean hasWebURI(Intent intent) { 4637 if (intent.getData() == null) { 4638 return false; 4639 } 4640 final String scheme = intent.getScheme(); 4641 if (TextUtils.isEmpty(scheme)) { 4642 return false; 4643 } 4644 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4645 } 4646 4647 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr( 4648 int flags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo) { 4649 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4650 Slog.v("TAG", "Filtering results with preferred activities. Candidates count: " + 4651 candidates.size()); 4652 } 4653 4654 final int userId = UserHandle.getCallingUserId(); 4655 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4656 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4657 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4658 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4659 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4660 4661 synchronized (mPackages) { 4662 final int count = candidates.size(); 4663 // First, try to use linked apps. Partition the candidates into four lists: 4664 // one for the final results, one for the "do not use ever", one for "undefined status" 4665 // and finally one for "browser app type". 4666 for (int n=0; n<count; n++) { 4667 ResolveInfo info = candidates.get(n); 4668 String packageName = info.activityInfo.packageName; 4669 PackageSetting ps = mSettings.mPackages.get(packageName); 4670 if (ps != null) { 4671 // Add to the special match all list (Browser use case) 4672 if (info.handleAllWebDataURI) { 4673 matchAllList.add(info); 4674 continue; 4675 } 4676 // Try to get the status from User settings first 4677 int status = getDomainVerificationStatusLPr(ps, userId); 4678 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4679 if (DEBUG_DOMAIN_VERIFICATION) { 4680 Slog.i(TAG, " + always: " + info.activityInfo.packageName); 4681 } 4682 alwaysList.add(info); 4683 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4684 if (DEBUG_DOMAIN_VERIFICATION) { 4685 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4686 } 4687 neverList.add(info); 4688 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4689 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4690 if (DEBUG_DOMAIN_VERIFICATION) { 4691 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4692 } 4693 undefinedList.add(info); 4694 } 4695 } 4696 } 4697 // First try to add the "always" resolution for the current user if there is any 4698 if (alwaysList.size() > 0) { 4699 result.addAll(alwaysList); 4700 // if there is an "always" for the parent user, add it. 4701 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4702 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4703 result.add(xpDomainInfo.resolveInfo); 4704 } else { 4705 // Add all undefined Apps as we want them to appear in the Disambiguation dialog. 4706 result.addAll(undefinedList); 4707 if (xpDomainInfo != null && ( 4708 xpDomainInfo.bestDomainVerificationStatus 4709 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4710 || xpDomainInfo.bestDomainVerificationStatus 4711 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4712 result.add(xpDomainInfo.resolveInfo); 4713 } 4714 // Also add Browsers (all of them or only the default one) 4715 if ((flags & MATCH_ALL) != 0) { 4716 result.addAll(matchAllList); 4717 } else { 4718 // Try to add the Default Browser if we can 4719 final String defaultBrowserPackageName = getDefaultBrowserPackageName( 4720 UserHandle.myUserId()); 4721 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 4722 boolean defaultBrowserFound = false; 4723 final int browserCount = matchAllList.size(); 4724 for (int n=0; n<browserCount; n++) { 4725 ResolveInfo browser = matchAllList.get(n); 4726 if (browser.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4727 result.add(browser); 4728 defaultBrowserFound = true; 4729 break; 4730 } 4731 } 4732 if (!defaultBrowserFound) { 4733 result.addAll(matchAllList); 4734 } 4735 } else { 4736 result.addAll(matchAllList); 4737 } 4738 } 4739 4740 // If there is nothing selected, add all candidates and remove the ones that the user 4741 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4742 if (result.size() == 0) { 4743 result.addAll(candidates); 4744 result.removeAll(neverList); 4745 } 4746 } 4747 } 4748 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4749 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4750 result.size()); 4751 for (ResolveInfo info : result) { 4752 Slog.v(TAG, " + " + info.activityInfo); 4753 } 4754 } 4755 return result; 4756 } 4757 4758 private int getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4759 int status = ps.getDomainVerificationStatusForUser(userId); 4760 // if none available, get the master status 4761 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4762 if (ps.getIntentFilterVerificationInfo() != null) { 4763 status = ps.getIntentFilterVerificationInfo().getStatus(); 4764 } 4765 } 4766 return status; 4767 } 4768 4769 private ResolveInfo querySkipCurrentProfileIntents( 4770 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4771 int flags, int sourceUserId) { 4772 if (matchingFilters != null) { 4773 int size = matchingFilters.size(); 4774 for (int i = 0; i < size; i ++) { 4775 CrossProfileIntentFilter filter = matchingFilters.get(i); 4776 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4777 // Checking if there are activities in the target user that can handle the 4778 // intent. 4779 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4780 flags, sourceUserId); 4781 if (resolveInfo != null) { 4782 return resolveInfo; 4783 } 4784 } 4785 } 4786 } 4787 return null; 4788 } 4789 4790 // Return matching ResolveInfo if any for skip current profile intent filters. 4791 private ResolveInfo queryCrossProfileIntents( 4792 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4793 int flags, int sourceUserId) { 4794 if (matchingFilters != null) { 4795 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4796 // match the same intent. For performance reasons, it is better not to 4797 // run queryIntent twice for the same userId 4798 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4799 int size = matchingFilters.size(); 4800 for (int i = 0; i < size; i++) { 4801 CrossProfileIntentFilter filter = matchingFilters.get(i); 4802 int targetUserId = filter.getTargetUserId(); 4803 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4804 && !alreadyTriedUserIds.get(targetUserId)) { 4805 // Checking if there are activities in the target user that can handle the 4806 // intent. 4807 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4808 flags, sourceUserId); 4809 if (resolveInfo != null) return resolveInfo; 4810 alreadyTriedUserIds.put(targetUserId, true); 4811 } 4812 } 4813 } 4814 return null; 4815 } 4816 4817 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4818 String resolvedType, int flags, int sourceUserId) { 4819 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4820 resolvedType, flags, filter.getTargetUserId()); 4821 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4822 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4823 } 4824 return null; 4825 } 4826 4827 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4828 int sourceUserId, int targetUserId) { 4829 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4830 String className; 4831 if (targetUserId == UserHandle.USER_OWNER) { 4832 className = FORWARD_INTENT_TO_USER_OWNER; 4833 } else { 4834 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4835 } 4836 ComponentName forwardingActivityComponentName = new ComponentName( 4837 mAndroidApplication.packageName, className); 4838 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4839 sourceUserId); 4840 if (targetUserId == UserHandle.USER_OWNER) { 4841 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4842 forwardingResolveInfo.noResourceId = true; 4843 } 4844 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4845 forwardingResolveInfo.priority = 0; 4846 forwardingResolveInfo.preferredOrder = 0; 4847 forwardingResolveInfo.match = 0; 4848 forwardingResolveInfo.isDefault = true; 4849 forwardingResolveInfo.filter = filter; 4850 forwardingResolveInfo.targetUserId = targetUserId; 4851 return forwardingResolveInfo; 4852 } 4853 4854 @Override 4855 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4856 Intent[] specifics, String[] specificTypes, Intent intent, 4857 String resolvedType, int flags, int userId) { 4858 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4859 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4860 false, "query intent activity options"); 4861 final String resultsAction = intent.getAction(); 4862 4863 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4864 | PackageManager.GET_RESOLVED_FILTER, userId); 4865 4866 if (DEBUG_INTENT_MATCHING) { 4867 Log.v(TAG, "Query " + intent + ": " + results); 4868 } 4869 4870 int specificsPos = 0; 4871 int N; 4872 4873 // todo: note that the algorithm used here is O(N^2). This 4874 // isn't a problem in our current environment, but if we start running 4875 // into situations where we have more than 5 or 10 matches then this 4876 // should probably be changed to something smarter... 4877 4878 // First we go through and resolve each of the specific items 4879 // that were supplied, taking care of removing any corresponding 4880 // duplicate items in the generic resolve list. 4881 if (specifics != null) { 4882 for (int i=0; i<specifics.length; i++) { 4883 final Intent sintent = specifics[i]; 4884 if (sintent == null) { 4885 continue; 4886 } 4887 4888 if (DEBUG_INTENT_MATCHING) { 4889 Log.v(TAG, "Specific #" + i + ": " + sintent); 4890 } 4891 4892 String action = sintent.getAction(); 4893 if (resultsAction != null && resultsAction.equals(action)) { 4894 // If this action was explicitly requested, then don't 4895 // remove things that have it. 4896 action = null; 4897 } 4898 4899 ResolveInfo ri = null; 4900 ActivityInfo ai = null; 4901 4902 ComponentName comp = sintent.getComponent(); 4903 if (comp == null) { 4904 ri = resolveIntent( 4905 sintent, 4906 specificTypes != null ? specificTypes[i] : null, 4907 flags, userId); 4908 if (ri == null) { 4909 continue; 4910 } 4911 if (ri == mResolveInfo) { 4912 // ACK! Must do something better with this. 4913 } 4914 ai = ri.activityInfo; 4915 comp = new ComponentName(ai.applicationInfo.packageName, 4916 ai.name); 4917 } else { 4918 ai = getActivityInfo(comp, flags, userId); 4919 if (ai == null) { 4920 continue; 4921 } 4922 } 4923 4924 // Look for any generic query activities that are duplicates 4925 // of this specific one, and remove them from the results. 4926 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 4927 N = results.size(); 4928 int j; 4929 for (j=specificsPos; j<N; j++) { 4930 ResolveInfo sri = results.get(j); 4931 if ((sri.activityInfo.name.equals(comp.getClassName()) 4932 && sri.activityInfo.applicationInfo.packageName.equals( 4933 comp.getPackageName())) 4934 || (action != null && sri.filter.matchAction(action))) { 4935 results.remove(j); 4936 if (DEBUG_INTENT_MATCHING) Log.v( 4937 TAG, "Removing duplicate item from " + j 4938 + " due to specific " + specificsPos); 4939 if (ri == null) { 4940 ri = sri; 4941 } 4942 j--; 4943 N--; 4944 } 4945 } 4946 4947 // Add this specific item to its proper place. 4948 if (ri == null) { 4949 ri = new ResolveInfo(); 4950 ri.activityInfo = ai; 4951 } 4952 results.add(specificsPos, ri); 4953 ri.specificIndex = i; 4954 specificsPos++; 4955 } 4956 } 4957 4958 // Now we go through the remaining generic results and remove any 4959 // duplicate actions that are found here. 4960 N = results.size(); 4961 for (int i=specificsPos; i<N-1; i++) { 4962 final ResolveInfo rii = results.get(i); 4963 if (rii.filter == null) { 4964 continue; 4965 } 4966 4967 // Iterate over all of the actions of this result's intent 4968 // filter... typically this should be just one. 4969 final Iterator<String> it = rii.filter.actionsIterator(); 4970 if (it == null) { 4971 continue; 4972 } 4973 while (it.hasNext()) { 4974 final String action = it.next(); 4975 if (resultsAction != null && resultsAction.equals(action)) { 4976 // If this action was explicitly requested, then don't 4977 // remove things that have it. 4978 continue; 4979 } 4980 for (int j=i+1; j<N; j++) { 4981 final ResolveInfo rij = results.get(j); 4982 if (rij.filter != null && rij.filter.hasAction(action)) { 4983 results.remove(j); 4984 if (DEBUG_INTENT_MATCHING) Log.v( 4985 TAG, "Removing duplicate item from " + j 4986 + " due to action " + action + " at " + i); 4987 j--; 4988 N--; 4989 } 4990 } 4991 } 4992 4993 // If the caller didn't request filter information, drop it now 4994 // so we don't have to marshall/unmarshall it. 4995 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 4996 rii.filter = null; 4997 } 4998 } 4999 5000 // Filter out the caller activity if so requested. 5001 if (caller != null) { 5002 N = results.size(); 5003 for (int i=0; i<N; i++) { 5004 ActivityInfo ainfo = results.get(i).activityInfo; 5005 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5006 && caller.getClassName().equals(ainfo.name)) { 5007 results.remove(i); 5008 break; 5009 } 5010 } 5011 } 5012 5013 // If the caller didn't request filter information, 5014 // drop them now so we don't have to 5015 // marshall/unmarshall it. 5016 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5017 N = results.size(); 5018 for (int i=0; i<N; i++) { 5019 results.get(i).filter = null; 5020 } 5021 } 5022 5023 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5024 return results; 5025 } 5026 5027 @Override 5028 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5029 int userId) { 5030 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5031 ComponentName comp = intent.getComponent(); 5032 if (comp == null) { 5033 if (intent.getSelector() != null) { 5034 intent = intent.getSelector(); 5035 comp = intent.getComponent(); 5036 } 5037 } 5038 if (comp != null) { 5039 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5040 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5041 if (ai != null) { 5042 ResolveInfo ri = new ResolveInfo(); 5043 ri.activityInfo = ai; 5044 list.add(ri); 5045 } 5046 return list; 5047 } 5048 5049 // reader 5050 synchronized (mPackages) { 5051 String pkgName = intent.getPackage(); 5052 if (pkgName == null) { 5053 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5054 } 5055 final PackageParser.Package pkg = mPackages.get(pkgName); 5056 if (pkg != null) { 5057 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5058 userId); 5059 } 5060 return null; 5061 } 5062 } 5063 5064 @Override 5065 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5066 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5067 if (!sUserManager.exists(userId)) return null; 5068 if (query != null) { 5069 if (query.size() >= 1) { 5070 // If there is more than one service with the same priority, 5071 // just arbitrarily pick the first one. 5072 return query.get(0); 5073 } 5074 } 5075 return null; 5076 } 5077 5078 @Override 5079 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5080 int userId) { 5081 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5082 ComponentName comp = intent.getComponent(); 5083 if (comp == null) { 5084 if (intent.getSelector() != null) { 5085 intent = intent.getSelector(); 5086 comp = intent.getComponent(); 5087 } 5088 } 5089 if (comp != null) { 5090 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5091 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5092 if (si != null) { 5093 final ResolveInfo ri = new ResolveInfo(); 5094 ri.serviceInfo = si; 5095 list.add(ri); 5096 } 5097 return list; 5098 } 5099 5100 // reader 5101 synchronized (mPackages) { 5102 String pkgName = intent.getPackage(); 5103 if (pkgName == null) { 5104 return mServices.queryIntent(intent, resolvedType, flags, userId); 5105 } 5106 final PackageParser.Package pkg = mPackages.get(pkgName); 5107 if (pkg != null) { 5108 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5109 userId); 5110 } 5111 return null; 5112 } 5113 } 5114 5115 @Override 5116 public List<ResolveInfo> queryIntentContentProviders( 5117 Intent intent, String resolvedType, int flags, int userId) { 5118 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5119 ComponentName comp = intent.getComponent(); 5120 if (comp == null) { 5121 if (intent.getSelector() != null) { 5122 intent = intent.getSelector(); 5123 comp = intent.getComponent(); 5124 } 5125 } 5126 if (comp != null) { 5127 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5128 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5129 if (pi != null) { 5130 final ResolveInfo ri = new ResolveInfo(); 5131 ri.providerInfo = pi; 5132 list.add(ri); 5133 } 5134 return list; 5135 } 5136 5137 // reader 5138 synchronized (mPackages) { 5139 String pkgName = intent.getPackage(); 5140 if (pkgName == null) { 5141 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5142 } 5143 final PackageParser.Package pkg = mPackages.get(pkgName); 5144 if (pkg != null) { 5145 return mProviders.queryIntentForPackage( 5146 intent, resolvedType, flags, pkg.providers, userId); 5147 } 5148 return null; 5149 } 5150 } 5151 5152 @Override 5153 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5154 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5155 5156 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5157 5158 // writer 5159 synchronized (mPackages) { 5160 ArrayList<PackageInfo> list; 5161 if (listUninstalled) { 5162 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5163 for (PackageSetting ps : mSettings.mPackages.values()) { 5164 PackageInfo pi; 5165 if (ps.pkg != null) { 5166 pi = generatePackageInfo(ps.pkg, flags, userId); 5167 } else { 5168 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5169 } 5170 if (pi != null) { 5171 list.add(pi); 5172 } 5173 } 5174 } else { 5175 list = new ArrayList<PackageInfo>(mPackages.size()); 5176 for (PackageParser.Package p : mPackages.values()) { 5177 PackageInfo pi = generatePackageInfo(p, flags, userId); 5178 if (pi != null) { 5179 list.add(pi); 5180 } 5181 } 5182 } 5183 5184 return new ParceledListSlice<PackageInfo>(list); 5185 } 5186 } 5187 5188 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5189 String[] permissions, boolean[] tmp, int flags, int userId) { 5190 int numMatch = 0; 5191 final PermissionsState permissionsState = ps.getPermissionsState(); 5192 for (int i=0; i<permissions.length; i++) { 5193 final String permission = permissions[i]; 5194 if (permissionsState.hasPermission(permission, userId)) { 5195 tmp[i] = true; 5196 numMatch++; 5197 } else { 5198 tmp[i] = false; 5199 } 5200 } 5201 if (numMatch == 0) { 5202 return; 5203 } 5204 PackageInfo pi; 5205 if (ps.pkg != null) { 5206 pi = generatePackageInfo(ps.pkg, flags, userId); 5207 } else { 5208 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5209 } 5210 // The above might return null in cases of uninstalled apps or install-state 5211 // skew across users/profiles. 5212 if (pi != null) { 5213 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5214 if (numMatch == permissions.length) { 5215 pi.requestedPermissions = permissions; 5216 } else { 5217 pi.requestedPermissions = new String[numMatch]; 5218 numMatch = 0; 5219 for (int i=0; i<permissions.length; i++) { 5220 if (tmp[i]) { 5221 pi.requestedPermissions[numMatch] = permissions[i]; 5222 numMatch++; 5223 } 5224 } 5225 } 5226 } 5227 list.add(pi); 5228 } 5229 } 5230 5231 @Override 5232 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5233 String[] permissions, int flags, int userId) { 5234 if (!sUserManager.exists(userId)) return null; 5235 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5236 5237 // writer 5238 synchronized (mPackages) { 5239 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5240 boolean[] tmpBools = new boolean[permissions.length]; 5241 if (listUninstalled) { 5242 for (PackageSetting ps : mSettings.mPackages.values()) { 5243 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5244 } 5245 } else { 5246 for (PackageParser.Package pkg : mPackages.values()) { 5247 PackageSetting ps = (PackageSetting)pkg.mExtras; 5248 if (ps != null) { 5249 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5250 userId); 5251 } 5252 } 5253 } 5254 5255 return new ParceledListSlice<PackageInfo>(list); 5256 } 5257 } 5258 5259 @Override 5260 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5261 if (!sUserManager.exists(userId)) return null; 5262 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5263 5264 // writer 5265 synchronized (mPackages) { 5266 ArrayList<ApplicationInfo> list; 5267 if (listUninstalled) { 5268 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5269 for (PackageSetting ps : mSettings.mPackages.values()) { 5270 ApplicationInfo ai; 5271 if (ps.pkg != null) { 5272 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5273 ps.readUserState(userId), userId); 5274 } else { 5275 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5276 } 5277 if (ai != null) { 5278 list.add(ai); 5279 } 5280 } 5281 } else { 5282 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5283 for (PackageParser.Package p : mPackages.values()) { 5284 if (p.mExtras != null) { 5285 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5286 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5287 if (ai != null) { 5288 list.add(ai); 5289 } 5290 } 5291 } 5292 } 5293 5294 return new ParceledListSlice<ApplicationInfo>(list); 5295 } 5296 } 5297 5298 public List<ApplicationInfo> getPersistentApplications(int flags) { 5299 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5300 5301 // reader 5302 synchronized (mPackages) { 5303 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5304 final int userId = UserHandle.getCallingUserId(); 5305 while (i.hasNext()) { 5306 final PackageParser.Package p = i.next(); 5307 if (p.applicationInfo != null 5308 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5309 && (!mSafeMode || isSystemApp(p))) { 5310 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5311 if (ps != null) { 5312 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5313 ps.readUserState(userId), userId); 5314 if (ai != null) { 5315 finalList.add(ai); 5316 } 5317 } 5318 } 5319 } 5320 } 5321 5322 return finalList; 5323 } 5324 5325 @Override 5326 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5327 if (!sUserManager.exists(userId)) return null; 5328 // reader 5329 synchronized (mPackages) { 5330 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5331 PackageSetting ps = provider != null 5332 ? mSettings.mPackages.get(provider.owner.packageName) 5333 : null; 5334 return ps != null 5335 && mSettings.isEnabledLPr(provider.info, flags, userId) 5336 && (!mSafeMode || (provider.info.applicationInfo.flags 5337 &ApplicationInfo.FLAG_SYSTEM) != 0) 5338 ? PackageParser.generateProviderInfo(provider, flags, 5339 ps.readUserState(userId), userId) 5340 : null; 5341 } 5342 } 5343 5344 /** 5345 * @deprecated 5346 */ 5347 @Deprecated 5348 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5349 // reader 5350 synchronized (mPackages) { 5351 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5352 .entrySet().iterator(); 5353 final int userId = UserHandle.getCallingUserId(); 5354 while (i.hasNext()) { 5355 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5356 PackageParser.Provider p = entry.getValue(); 5357 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5358 5359 if (ps != null && p.syncable 5360 && (!mSafeMode || (p.info.applicationInfo.flags 5361 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5362 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5363 ps.readUserState(userId), userId); 5364 if (info != null) { 5365 outNames.add(entry.getKey()); 5366 outInfo.add(info); 5367 } 5368 } 5369 } 5370 } 5371 } 5372 5373 @Override 5374 public List<ProviderInfo> queryContentProviders(String processName, 5375 int uid, int flags) { 5376 ArrayList<ProviderInfo> finalList = null; 5377 // reader 5378 synchronized (mPackages) { 5379 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5380 final int userId = processName != null ? 5381 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5382 while (i.hasNext()) { 5383 final PackageParser.Provider p = i.next(); 5384 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5385 if (ps != null && p.info.authority != null 5386 && (processName == null 5387 || (p.info.processName.equals(processName) 5388 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5389 && mSettings.isEnabledLPr(p.info, flags, userId) 5390 && (!mSafeMode 5391 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5392 if (finalList == null) { 5393 finalList = new ArrayList<ProviderInfo>(3); 5394 } 5395 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5396 ps.readUserState(userId), userId); 5397 if (info != null) { 5398 finalList.add(info); 5399 } 5400 } 5401 } 5402 } 5403 5404 if (finalList != null) { 5405 Collections.sort(finalList, mProviderInitOrderSorter); 5406 } 5407 5408 return finalList; 5409 } 5410 5411 @Override 5412 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5413 int flags) { 5414 // reader 5415 synchronized (mPackages) { 5416 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5417 return PackageParser.generateInstrumentationInfo(i, flags); 5418 } 5419 } 5420 5421 @Override 5422 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5423 int flags) { 5424 ArrayList<InstrumentationInfo> finalList = 5425 new ArrayList<InstrumentationInfo>(); 5426 5427 // reader 5428 synchronized (mPackages) { 5429 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5430 while (i.hasNext()) { 5431 final PackageParser.Instrumentation p = i.next(); 5432 if (targetPackage == null 5433 || targetPackage.equals(p.info.targetPackage)) { 5434 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5435 flags); 5436 if (ii != null) { 5437 finalList.add(ii); 5438 } 5439 } 5440 } 5441 } 5442 5443 return finalList; 5444 } 5445 5446 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5447 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5448 if (overlays == null) { 5449 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5450 return; 5451 } 5452 for (PackageParser.Package opkg : overlays.values()) { 5453 // Not much to do if idmap fails: we already logged the error 5454 // and we certainly don't want to abort installation of pkg simply 5455 // because an overlay didn't fit properly. For these reasons, 5456 // ignore the return value of createIdmapForPackagePairLI. 5457 createIdmapForPackagePairLI(pkg, opkg); 5458 } 5459 } 5460 5461 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5462 PackageParser.Package opkg) { 5463 if (!opkg.mTrustedOverlay) { 5464 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5465 opkg.baseCodePath + ": overlay not trusted"); 5466 return false; 5467 } 5468 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5469 if (overlaySet == null) { 5470 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5471 opkg.baseCodePath + " but target package has no known overlays"); 5472 return false; 5473 } 5474 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5475 // TODO: generate idmap for split APKs 5476 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5477 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5478 + opkg.baseCodePath); 5479 return false; 5480 } 5481 PackageParser.Package[] overlayArray = 5482 overlaySet.values().toArray(new PackageParser.Package[0]); 5483 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5484 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5485 return p1.mOverlayPriority - p2.mOverlayPriority; 5486 } 5487 }; 5488 Arrays.sort(overlayArray, cmp); 5489 5490 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5491 int i = 0; 5492 for (PackageParser.Package p : overlayArray) { 5493 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5494 } 5495 return true; 5496 } 5497 5498 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5499 final File[] files = dir.listFiles(); 5500 if (ArrayUtils.isEmpty(files)) { 5501 Log.d(TAG, "No files in app dir " + dir); 5502 return; 5503 } 5504 5505 if (DEBUG_PACKAGE_SCANNING) { 5506 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5507 + " flags=0x" + Integer.toHexString(parseFlags)); 5508 } 5509 5510 for (File file : files) { 5511 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5512 && !PackageInstallerService.isStageName(file.getName()); 5513 if (!isPackage) { 5514 // Ignore entries which are not packages 5515 continue; 5516 } 5517 try { 5518 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5519 scanFlags, currentTime, null); 5520 } catch (PackageManagerException e) { 5521 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5522 5523 // Delete invalid userdata apps 5524 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5525 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5526 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5527 if (file.isDirectory()) { 5528 mInstaller.rmPackageDir(file.getAbsolutePath()); 5529 } else { 5530 file.delete(); 5531 } 5532 } 5533 } 5534 } 5535 } 5536 5537 private static File getSettingsProblemFile() { 5538 File dataDir = Environment.getDataDirectory(); 5539 File systemDir = new File(dataDir, "system"); 5540 File fname = new File(systemDir, "uiderrors.txt"); 5541 return fname; 5542 } 5543 5544 static void reportSettingsProblem(int priority, String msg) { 5545 logCriticalInfo(priority, msg); 5546 } 5547 5548 static void logCriticalInfo(int priority, String msg) { 5549 Slog.println(priority, TAG, msg); 5550 EventLogTags.writePmCriticalInfo(msg); 5551 try { 5552 File fname = getSettingsProblemFile(); 5553 FileOutputStream out = new FileOutputStream(fname, true); 5554 PrintWriter pw = new FastPrintWriter(out); 5555 SimpleDateFormat formatter = new SimpleDateFormat(); 5556 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5557 pw.println(dateString + ": " + msg); 5558 pw.close(); 5559 FileUtils.setPermissions( 5560 fname.toString(), 5561 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5562 -1, -1); 5563 } catch (java.io.IOException e) { 5564 } 5565 } 5566 5567 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5568 PackageParser.Package pkg, File srcFile, int parseFlags) 5569 throws PackageManagerException { 5570 if (ps != null 5571 && ps.codePath.equals(srcFile) 5572 && ps.timeStamp == srcFile.lastModified() 5573 && !isCompatSignatureUpdateNeeded(pkg) 5574 && !isRecoverSignatureUpdateNeeded(pkg)) { 5575 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5576 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5577 ArraySet<PublicKey> signingKs; 5578 synchronized (mPackages) { 5579 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5580 } 5581 if (ps.signatures.mSignatures != null 5582 && ps.signatures.mSignatures.length != 0 5583 && signingKs != null) { 5584 // Optimization: reuse the existing cached certificates 5585 // if the package appears to be unchanged. 5586 pkg.mSignatures = ps.signatures.mSignatures; 5587 pkg.mSigningKeys = signingKs; 5588 return; 5589 } 5590 5591 Slog.w(TAG, "PackageSetting for " + ps.name 5592 + " is missing signatures. Collecting certs again to recover them."); 5593 } else { 5594 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5595 } 5596 5597 try { 5598 pp.collectCertificates(pkg, parseFlags); 5599 pp.collectManifestDigest(pkg); 5600 } catch (PackageParserException e) { 5601 throw PackageManagerException.from(e); 5602 } 5603 } 5604 5605 /* 5606 * Scan a package and return the newly parsed package. 5607 * Returns null in case of errors and the error code is stored in mLastScanError 5608 */ 5609 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5610 long currentTime, UserHandle user) throws PackageManagerException { 5611 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5612 parseFlags |= mDefParseFlags; 5613 PackageParser pp = new PackageParser(); 5614 pp.setSeparateProcesses(mSeparateProcesses); 5615 pp.setOnlyCoreApps(mOnlyCore); 5616 pp.setDisplayMetrics(mMetrics); 5617 5618 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5619 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5620 } 5621 5622 final PackageParser.Package pkg; 5623 try { 5624 pkg = pp.parsePackage(scanFile, parseFlags); 5625 } catch (PackageParserException e) { 5626 throw PackageManagerException.from(e); 5627 } 5628 5629 PackageSetting ps = null; 5630 PackageSetting updatedPkg; 5631 // reader 5632 synchronized (mPackages) { 5633 // Look to see if we already know about this package. 5634 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5635 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5636 // This package has been renamed to its original name. Let's 5637 // use that. 5638 ps = mSettings.peekPackageLPr(oldName); 5639 } 5640 // If there was no original package, see one for the real package name. 5641 if (ps == null) { 5642 ps = mSettings.peekPackageLPr(pkg.packageName); 5643 } 5644 // Check to see if this package could be hiding/updating a system 5645 // package. Must look for it either under the original or real 5646 // package name depending on our state. 5647 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5648 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5649 } 5650 boolean updatedPkgBetter = false; 5651 // First check if this is a system package that may involve an update 5652 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5653 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5654 // it needs to drop FLAG_PRIVILEGED. 5655 if (locationIsPrivileged(scanFile)) { 5656 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5657 } else { 5658 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5659 } 5660 5661 if (ps != null && !ps.codePath.equals(scanFile)) { 5662 // The path has changed from what was last scanned... check the 5663 // version of the new path against what we have stored to determine 5664 // what to do. 5665 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5666 if (pkg.mVersionCode <= ps.versionCode) { 5667 // The system package has been updated and the code path does not match 5668 // Ignore entry. Skip it. 5669 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5670 + " ignored: updated version " + ps.versionCode 5671 + " better than this " + pkg.mVersionCode); 5672 if (!updatedPkg.codePath.equals(scanFile)) { 5673 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5674 + ps.name + " changing from " + updatedPkg.codePathString 5675 + " to " + scanFile); 5676 updatedPkg.codePath = scanFile; 5677 updatedPkg.codePathString = scanFile.toString(); 5678 updatedPkg.resourcePath = scanFile; 5679 updatedPkg.resourcePathString = scanFile.toString(); 5680 } 5681 updatedPkg.pkg = pkg; 5682 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5683 "Package " + ps.name + " at " + scanFile 5684 + " ignored: updated version " + ps.versionCode 5685 + " better than this " + pkg.mVersionCode); 5686 } else { 5687 // The current app on the system partition is better than 5688 // what we have updated to on the data partition; switch 5689 // back to the system partition version. 5690 // At this point, its safely assumed that package installation for 5691 // apps in system partition will go through. If not there won't be a working 5692 // version of the app 5693 // writer 5694 synchronized (mPackages) { 5695 // Just remove the loaded entries from package lists. 5696 mPackages.remove(ps.name); 5697 } 5698 5699 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5700 + " reverting from " + ps.codePathString 5701 + ": new version " + pkg.mVersionCode 5702 + " better than installed " + ps.versionCode); 5703 5704 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5705 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5706 synchronized (mInstallLock) { 5707 args.cleanUpResourcesLI(); 5708 } 5709 synchronized (mPackages) { 5710 mSettings.enableSystemPackageLPw(ps.name); 5711 } 5712 updatedPkgBetter = true; 5713 } 5714 } 5715 } 5716 5717 if (updatedPkg != null) { 5718 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5719 // initially 5720 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5721 5722 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5723 // flag set initially 5724 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5725 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5726 } 5727 } 5728 5729 // Verify certificates against what was last scanned 5730 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5731 5732 /* 5733 * A new system app appeared, but we already had a non-system one of the 5734 * same name installed earlier. 5735 */ 5736 boolean shouldHideSystemApp = false; 5737 if (updatedPkg == null && ps != null 5738 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5739 /* 5740 * Check to make sure the signatures match first. If they don't, 5741 * wipe the installed application and its data. 5742 */ 5743 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5744 != PackageManager.SIGNATURE_MATCH) { 5745 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5746 + " signatures don't match existing userdata copy; removing"); 5747 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5748 ps = null; 5749 } else { 5750 /* 5751 * If the newly-added system app is an older version than the 5752 * already installed version, hide it. It will be scanned later 5753 * and re-added like an update. 5754 */ 5755 if (pkg.mVersionCode <= ps.versionCode) { 5756 shouldHideSystemApp = true; 5757 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5758 + " but new version " + pkg.mVersionCode + " better than installed " 5759 + ps.versionCode + "; hiding system"); 5760 } else { 5761 /* 5762 * The newly found system app is a newer version that the 5763 * one previously installed. Simply remove the 5764 * already-installed application and replace it with our own 5765 * while keeping the application data. 5766 */ 5767 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5768 + " reverting from " + ps.codePathString + ": new version " 5769 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5770 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5771 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5772 synchronized (mInstallLock) { 5773 args.cleanUpResourcesLI(); 5774 } 5775 } 5776 } 5777 } 5778 5779 // The apk is forward locked (not public) if its code and resources 5780 // are kept in different files. (except for app in either system or 5781 // vendor path). 5782 // TODO grab this value from PackageSettings 5783 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5784 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5785 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5786 } 5787 } 5788 5789 // TODO: extend to support forward-locked splits 5790 String resourcePath = null; 5791 String baseResourcePath = null; 5792 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5793 if (ps != null && ps.resourcePathString != null) { 5794 resourcePath = ps.resourcePathString; 5795 baseResourcePath = ps.resourcePathString; 5796 } else { 5797 // Should not happen at all. Just log an error. 5798 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5799 } 5800 } else { 5801 resourcePath = pkg.codePath; 5802 baseResourcePath = pkg.baseCodePath; 5803 } 5804 5805 // Set application objects path explicitly. 5806 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5807 pkg.applicationInfo.setCodePath(pkg.codePath); 5808 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5809 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5810 pkg.applicationInfo.setResourcePath(resourcePath); 5811 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5812 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5813 5814 // Note that we invoke the following method only if we are about to unpack an application 5815 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5816 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5817 5818 /* 5819 * If the system app should be overridden by a previously installed 5820 * data, hide the system app now and let the /data/app scan pick it up 5821 * again. 5822 */ 5823 if (shouldHideSystemApp) { 5824 synchronized (mPackages) { 5825 /* 5826 * We have to grant systems permissions before we hide, because 5827 * grantPermissions will assume the package update is trying to 5828 * expand its permissions. 5829 */ 5830 grantPermissionsLPw(pkg, true, pkg.packageName); 5831 mSettings.disableSystemPackageLPw(pkg.packageName); 5832 } 5833 } 5834 5835 return scannedPkg; 5836 } 5837 5838 private static String fixProcessName(String defProcessName, 5839 String processName, int uid) { 5840 if (processName == null) { 5841 return defProcessName; 5842 } 5843 return processName; 5844 } 5845 5846 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5847 throws PackageManagerException { 5848 if (pkgSetting.signatures.mSignatures != null) { 5849 // Already existing package. Make sure signatures match 5850 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5851 == PackageManager.SIGNATURE_MATCH; 5852 if (!match) { 5853 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5854 == PackageManager.SIGNATURE_MATCH; 5855 } 5856 if (!match) { 5857 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5858 == PackageManager.SIGNATURE_MATCH; 5859 } 5860 if (!match) { 5861 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5862 + pkg.packageName + " signatures do not match the " 5863 + "previously installed version; ignoring!"); 5864 } 5865 } 5866 5867 // Check for shared user signatures 5868 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5869 // Already existing package. Make sure signatures match 5870 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5871 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5872 if (!match) { 5873 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5874 == PackageManager.SIGNATURE_MATCH; 5875 } 5876 if (!match) { 5877 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5878 == PackageManager.SIGNATURE_MATCH; 5879 } 5880 if (!match) { 5881 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5882 "Package " + pkg.packageName 5883 + " has no signatures that match those in shared user " 5884 + pkgSetting.sharedUser.name + "; ignoring!"); 5885 } 5886 } 5887 } 5888 5889 /** 5890 * Enforces that only the system UID or root's UID can call a method exposed 5891 * via Binder. 5892 * 5893 * @param message used as message if SecurityException is thrown 5894 * @throws SecurityException if the caller is not system or root 5895 */ 5896 private static final void enforceSystemOrRoot(String message) { 5897 final int uid = Binder.getCallingUid(); 5898 if (uid != Process.SYSTEM_UID && uid != 0) { 5899 throw new SecurityException(message); 5900 } 5901 } 5902 5903 @Override 5904 public void performBootDexOpt() { 5905 enforceSystemOrRoot("Only the system can request dexopt be performed"); 5906 5907 // Before everything else, see whether we need to fstrim. 5908 try { 5909 IMountService ms = PackageHelper.getMountService(); 5910 if (ms != null) { 5911 final boolean isUpgrade = isUpgrade(); 5912 boolean doTrim = isUpgrade; 5913 if (doTrim) { 5914 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 5915 } else { 5916 final long interval = android.provider.Settings.Global.getLong( 5917 mContext.getContentResolver(), 5918 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 5919 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 5920 if (interval > 0) { 5921 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 5922 if (timeSinceLast > interval) { 5923 doTrim = true; 5924 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 5925 + "; running immediately"); 5926 } 5927 } 5928 } 5929 if (doTrim) { 5930 if (!isFirstBoot()) { 5931 try { 5932 ActivityManagerNative.getDefault().showBootMessage( 5933 mContext.getResources().getString( 5934 R.string.android_upgrading_fstrim), true); 5935 } catch (RemoteException e) { 5936 } 5937 } 5938 ms.runMaintenance(); 5939 } 5940 } else { 5941 Slog.e(TAG, "Mount service unavailable!"); 5942 } 5943 } catch (RemoteException e) { 5944 // Can't happen; MountService is local 5945 } 5946 5947 final ArraySet<PackageParser.Package> pkgs; 5948 synchronized (mPackages) { 5949 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 5950 } 5951 5952 if (pkgs != null) { 5953 // Sort apps by importance for dexopt ordering. Important apps are given more priority 5954 // in case the device runs out of space. 5955 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 5956 // Give priority to core apps. 5957 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5958 PackageParser.Package pkg = it.next(); 5959 if (pkg.coreApp) { 5960 if (DEBUG_DEXOPT) { 5961 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 5962 } 5963 sortedPkgs.add(pkg); 5964 it.remove(); 5965 } 5966 } 5967 // Give priority to system apps that listen for pre boot complete. 5968 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 5969 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 5970 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5971 PackageParser.Package pkg = it.next(); 5972 if (pkgNames.contains(pkg.packageName)) { 5973 if (DEBUG_DEXOPT) { 5974 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 5975 } 5976 sortedPkgs.add(pkg); 5977 it.remove(); 5978 } 5979 } 5980 // Give priority to system apps. 5981 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5982 PackageParser.Package pkg = it.next(); 5983 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 5984 if (DEBUG_DEXOPT) { 5985 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 5986 } 5987 sortedPkgs.add(pkg); 5988 it.remove(); 5989 } 5990 } 5991 // Give priority to updated system apps. 5992 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 5993 PackageParser.Package pkg = it.next(); 5994 if (pkg.isUpdatedSystemApp()) { 5995 if (DEBUG_DEXOPT) { 5996 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 5997 } 5998 sortedPkgs.add(pkg); 5999 it.remove(); 6000 } 6001 } 6002 // Give priority to apps that listen for boot complete. 6003 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 6004 pkgNames = getPackageNamesForIntent(intent); 6005 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6006 PackageParser.Package pkg = it.next(); 6007 if (pkgNames.contains(pkg.packageName)) { 6008 if (DEBUG_DEXOPT) { 6009 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 6010 } 6011 sortedPkgs.add(pkg); 6012 it.remove(); 6013 } 6014 } 6015 // Filter out packages that aren't recently used. 6016 filterRecentlyUsedApps(pkgs); 6017 // Add all remaining apps. 6018 for (PackageParser.Package pkg : pkgs) { 6019 if (DEBUG_DEXOPT) { 6020 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6021 } 6022 sortedPkgs.add(pkg); 6023 } 6024 6025 // If we want to be lazy, filter everything that wasn't recently used. 6026 if (mLazyDexOpt) { 6027 filterRecentlyUsedApps(sortedPkgs); 6028 } 6029 6030 int i = 0; 6031 int total = sortedPkgs.size(); 6032 File dataDir = Environment.getDataDirectory(); 6033 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6034 if (lowThreshold == 0) { 6035 throw new IllegalStateException("Invalid low memory threshold"); 6036 } 6037 for (PackageParser.Package pkg : sortedPkgs) { 6038 long usableSpace = dataDir.getUsableSpace(); 6039 if (usableSpace < lowThreshold) { 6040 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6041 break; 6042 } 6043 performBootDexOpt(pkg, ++i, total); 6044 } 6045 } 6046 } 6047 6048 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6049 // Filter out packages that aren't recently used. 6050 // 6051 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6052 // should do a full dexopt. 6053 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6054 int total = pkgs.size(); 6055 int skipped = 0; 6056 long now = System.currentTimeMillis(); 6057 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6058 PackageParser.Package pkg = i.next(); 6059 long then = pkg.mLastPackageUsageTimeInMills; 6060 if (then + mDexOptLRUThresholdInMills < now) { 6061 if (DEBUG_DEXOPT) { 6062 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6063 ((then == 0) ? "never" : new Date(then))); 6064 } 6065 i.remove(); 6066 skipped++; 6067 } 6068 } 6069 if (DEBUG_DEXOPT) { 6070 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6071 } 6072 } 6073 } 6074 6075 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6076 List<ResolveInfo> ris = null; 6077 try { 6078 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6079 intent, null, 0, UserHandle.USER_OWNER); 6080 } catch (RemoteException e) { 6081 } 6082 ArraySet<String> pkgNames = new ArraySet<String>(); 6083 if (ris != null) { 6084 for (ResolveInfo ri : ris) { 6085 pkgNames.add(ri.activityInfo.packageName); 6086 } 6087 } 6088 return pkgNames; 6089 } 6090 6091 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6092 if (DEBUG_DEXOPT) { 6093 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6094 } 6095 if (!isFirstBoot()) { 6096 try { 6097 ActivityManagerNative.getDefault().showBootMessage( 6098 mContext.getResources().getString(R.string.android_upgrading_apk, 6099 curr, total), true); 6100 } catch (RemoteException e) { 6101 } 6102 } 6103 PackageParser.Package p = pkg; 6104 synchronized (mInstallLock) { 6105 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6106 false /* force dex */, false /* defer */, true /* include dependencies */); 6107 } 6108 } 6109 6110 @Override 6111 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6112 return performDexOpt(packageName, instructionSet, false); 6113 } 6114 6115 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6116 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6117 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6118 if (!dexopt && !updateUsage) { 6119 // We aren't going to dexopt or update usage, so bail early. 6120 return false; 6121 } 6122 PackageParser.Package p; 6123 final String targetInstructionSet; 6124 synchronized (mPackages) { 6125 p = mPackages.get(packageName); 6126 if (p == null) { 6127 return false; 6128 } 6129 if (updateUsage) { 6130 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6131 } 6132 mPackageUsage.write(false); 6133 if (!dexopt) { 6134 // We aren't going to dexopt, so bail early. 6135 return false; 6136 } 6137 6138 targetInstructionSet = instructionSet != null ? instructionSet : 6139 getPrimaryInstructionSet(p.applicationInfo); 6140 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6141 return false; 6142 } 6143 } 6144 6145 synchronized (mInstallLock) { 6146 final String[] instructionSets = new String[] { targetInstructionSet }; 6147 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6148 false /* forceDex */, false /* defer */, true /* inclDependencies */); 6149 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6150 } 6151 } 6152 6153 public ArraySet<String> getPackagesThatNeedDexOpt() { 6154 ArraySet<String> pkgs = null; 6155 synchronized (mPackages) { 6156 for (PackageParser.Package p : mPackages.values()) { 6157 if (DEBUG_DEXOPT) { 6158 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6159 } 6160 if (!p.mDexOptPerformed.isEmpty()) { 6161 continue; 6162 } 6163 if (pkgs == null) { 6164 pkgs = new ArraySet<String>(); 6165 } 6166 pkgs.add(p.packageName); 6167 } 6168 } 6169 return pkgs; 6170 } 6171 6172 public void shutdown() { 6173 mPackageUsage.write(true); 6174 } 6175 6176 @Override 6177 public void forceDexOpt(String packageName) { 6178 enforceSystemOrRoot("forceDexOpt"); 6179 6180 PackageParser.Package pkg; 6181 synchronized (mPackages) { 6182 pkg = mPackages.get(packageName); 6183 if (pkg == null) { 6184 throw new IllegalArgumentException("Missing package: " + packageName); 6185 } 6186 } 6187 6188 synchronized (mInstallLock) { 6189 final String[] instructionSets = new String[] { 6190 getPrimaryInstructionSet(pkg.applicationInfo) }; 6191 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6192 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 6193 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6194 throw new IllegalStateException("Failed to dexopt: " + res); 6195 } 6196 } 6197 } 6198 6199 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6200 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6201 Slog.w(TAG, "Unable to update from " + oldPkg.name 6202 + " to " + newPkg.packageName 6203 + ": old package not in system partition"); 6204 return false; 6205 } else if (mPackages.get(oldPkg.name) != null) { 6206 Slog.w(TAG, "Unable to update from " + oldPkg.name 6207 + " to " + newPkg.packageName 6208 + ": old package still exists"); 6209 return false; 6210 } 6211 return true; 6212 } 6213 6214 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6215 int[] users = sUserManager.getUserIds(); 6216 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6217 if (res < 0) { 6218 return res; 6219 } 6220 for (int user : users) { 6221 if (user != 0) { 6222 res = mInstaller.createUserData(volumeUuid, packageName, 6223 UserHandle.getUid(user, uid), user, seinfo); 6224 if (res < 0) { 6225 return res; 6226 } 6227 } 6228 } 6229 return res; 6230 } 6231 6232 private int removeDataDirsLI(String volumeUuid, String packageName) { 6233 int[] users = sUserManager.getUserIds(); 6234 int res = 0; 6235 for (int user : users) { 6236 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6237 if (resInner < 0) { 6238 res = resInner; 6239 } 6240 } 6241 6242 return res; 6243 } 6244 6245 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6246 int[] users = sUserManager.getUserIds(); 6247 int res = 0; 6248 for (int user : users) { 6249 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6250 if (resInner < 0) { 6251 res = resInner; 6252 } 6253 } 6254 return res; 6255 } 6256 6257 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6258 PackageParser.Package changingLib) { 6259 if (file.path != null) { 6260 usesLibraryFiles.add(file.path); 6261 return; 6262 } 6263 PackageParser.Package p = mPackages.get(file.apk); 6264 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6265 // If we are doing this while in the middle of updating a library apk, 6266 // then we need to make sure to use that new apk for determining the 6267 // dependencies here. (We haven't yet finished committing the new apk 6268 // to the package manager state.) 6269 if (p == null || p.packageName.equals(changingLib.packageName)) { 6270 p = changingLib; 6271 } 6272 } 6273 if (p != null) { 6274 usesLibraryFiles.addAll(p.getAllCodePaths()); 6275 } 6276 } 6277 6278 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6279 PackageParser.Package changingLib) throws PackageManagerException { 6280 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6281 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6282 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6283 for (int i=0; i<N; i++) { 6284 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6285 if (file == null) { 6286 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6287 "Package " + pkg.packageName + " requires unavailable shared library " 6288 + pkg.usesLibraries.get(i) + "; failing!"); 6289 } 6290 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6291 } 6292 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6293 for (int i=0; i<N; i++) { 6294 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6295 if (file == null) { 6296 Slog.w(TAG, "Package " + pkg.packageName 6297 + " desires unavailable shared library " 6298 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6299 } else { 6300 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6301 } 6302 } 6303 N = usesLibraryFiles.size(); 6304 if (N > 0) { 6305 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6306 } else { 6307 pkg.usesLibraryFiles = null; 6308 } 6309 } 6310 } 6311 6312 private static boolean hasString(List<String> list, List<String> which) { 6313 if (list == null) { 6314 return false; 6315 } 6316 for (int i=list.size()-1; i>=0; i--) { 6317 for (int j=which.size()-1; j>=0; j--) { 6318 if (which.get(j).equals(list.get(i))) { 6319 return true; 6320 } 6321 } 6322 } 6323 return false; 6324 } 6325 6326 private void updateAllSharedLibrariesLPw() { 6327 for (PackageParser.Package pkg : mPackages.values()) { 6328 try { 6329 updateSharedLibrariesLPw(pkg, null); 6330 } catch (PackageManagerException e) { 6331 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6332 } 6333 } 6334 } 6335 6336 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6337 PackageParser.Package changingPkg) { 6338 ArrayList<PackageParser.Package> res = null; 6339 for (PackageParser.Package pkg : mPackages.values()) { 6340 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6341 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6342 if (res == null) { 6343 res = new ArrayList<PackageParser.Package>(); 6344 } 6345 res.add(pkg); 6346 try { 6347 updateSharedLibrariesLPw(pkg, changingPkg); 6348 } catch (PackageManagerException e) { 6349 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6350 } 6351 } 6352 } 6353 return res; 6354 } 6355 6356 /** 6357 * Derive the value of the {@code cpuAbiOverride} based on the provided 6358 * value and an optional stored value from the package settings. 6359 */ 6360 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6361 String cpuAbiOverride = null; 6362 6363 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6364 cpuAbiOverride = null; 6365 } else if (abiOverride != null) { 6366 cpuAbiOverride = abiOverride; 6367 } else if (settings != null) { 6368 cpuAbiOverride = settings.cpuAbiOverrideString; 6369 } 6370 6371 return cpuAbiOverride; 6372 } 6373 6374 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6375 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6376 boolean success = false; 6377 try { 6378 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6379 currentTime, user); 6380 success = true; 6381 return res; 6382 } finally { 6383 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6384 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6385 } 6386 } 6387 } 6388 6389 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6390 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6391 final File scanFile = new File(pkg.codePath); 6392 if (pkg.applicationInfo.getCodePath() == null || 6393 pkg.applicationInfo.getResourcePath() == null) { 6394 // Bail out. The resource and code paths haven't been set. 6395 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6396 "Code and resource paths haven't been set correctly"); 6397 } 6398 6399 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6400 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6401 } else { 6402 // Only allow system apps to be flagged as core apps. 6403 pkg.coreApp = false; 6404 } 6405 6406 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6407 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6408 } 6409 6410 if (mCustomResolverComponentName != null && 6411 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6412 setUpCustomResolverActivity(pkg); 6413 } 6414 6415 if (pkg.packageName.equals("android")) { 6416 synchronized (mPackages) { 6417 if (mAndroidApplication != null) { 6418 Slog.w(TAG, "*************************************************"); 6419 Slog.w(TAG, "Core android package being redefined. Skipping."); 6420 Slog.w(TAG, " file=" + scanFile); 6421 Slog.w(TAG, "*************************************************"); 6422 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6423 "Core android package being redefined. Skipping."); 6424 } 6425 6426 // Set up information for our fall-back user intent resolution activity. 6427 mPlatformPackage = pkg; 6428 pkg.mVersionCode = mSdkVersion; 6429 mAndroidApplication = pkg.applicationInfo; 6430 6431 if (!mResolverReplaced) { 6432 mResolveActivity.applicationInfo = mAndroidApplication; 6433 mResolveActivity.name = ResolverActivity.class.getName(); 6434 mResolveActivity.packageName = mAndroidApplication.packageName; 6435 mResolveActivity.processName = "system:ui"; 6436 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6437 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6438 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6439 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6440 mResolveActivity.exported = true; 6441 mResolveActivity.enabled = true; 6442 mResolveInfo.activityInfo = mResolveActivity; 6443 mResolveInfo.priority = 0; 6444 mResolveInfo.preferredOrder = 0; 6445 mResolveInfo.match = 0; 6446 mResolveComponentName = new ComponentName( 6447 mAndroidApplication.packageName, mResolveActivity.name); 6448 } 6449 } 6450 } 6451 6452 if (DEBUG_PACKAGE_SCANNING) { 6453 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6454 Log.d(TAG, "Scanning package " + pkg.packageName); 6455 } 6456 6457 if (mPackages.containsKey(pkg.packageName) 6458 || mSharedLibraries.containsKey(pkg.packageName)) { 6459 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6460 "Application package " + pkg.packageName 6461 + " already installed. Skipping duplicate."); 6462 } 6463 6464 // If we're only installing presumed-existing packages, require that the 6465 // scanned APK is both already known and at the path previously established 6466 // for it. Previously unknown packages we pick up normally, but if we have an 6467 // a priori expectation about this package's install presence, enforce it. 6468 // With a singular exception for new system packages. When an OTA contains 6469 // a new system package, we allow the codepath to change from a system location 6470 // to the user-installed location. If we don't allow this change, any newer, 6471 // user-installed version of the application will be ignored. 6472 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6473 if (mExpectingBetter.containsKey(pkg.packageName)) { 6474 logCriticalInfo(Log.WARN, 6475 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6476 } else { 6477 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6478 if (known != null) { 6479 if (DEBUG_PACKAGE_SCANNING) { 6480 Log.d(TAG, "Examining " + pkg.codePath 6481 + " and requiring known paths " + known.codePathString 6482 + " & " + known.resourcePathString); 6483 } 6484 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6485 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6486 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6487 "Application package " + pkg.packageName 6488 + " found at " + pkg.applicationInfo.getCodePath() 6489 + " but expected at " + known.codePathString + "; ignoring."); 6490 } 6491 } 6492 } 6493 } 6494 6495 // Initialize package source and resource directories 6496 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6497 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6498 6499 SharedUserSetting suid = null; 6500 PackageSetting pkgSetting = null; 6501 6502 if (!isSystemApp(pkg)) { 6503 // Only system apps can use these features. 6504 pkg.mOriginalPackages = null; 6505 pkg.mRealPackage = null; 6506 pkg.mAdoptPermissions = null; 6507 } 6508 6509 // writer 6510 synchronized (mPackages) { 6511 if (pkg.mSharedUserId != null) { 6512 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6513 if (suid == null) { 6514 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6515 "Creating application package " + pkg.packageName 6516 + " for shared user failed"); 6517 } 6518 if (DEBUG_PACKAGE_SCANNING) { 6519 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6520 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6521 + "): packages=" + suid.packages); 6522 } 6523 } 6524 6525 // Check if we are renaming from an original package name. 6526 PackageSetting origPackage = null; 6527 String realName = null; 6528 if (pkg.mOriginalPackages != null) { 6529 // This package may need to be renamed to a previously 6530 // installed name. Let's check on that... 6531 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6532 if (pkg.mOriginalPackages.contains(renamed)) { 6533 // This package had originally been installed as the 6534 // original name, and we have already taken care of 6535 // transitioning to the new one. Just update the new 6536 // one to continue using the old name. 6537 realName = pkg.mRealPackage; 6538 if (!pkg.packageName.equals(renamed)) { 6539 // Callers into this function may have already taken 6540 // care of renaming the package; only do it here if 6541 // it is not already done. 6542 pkg.setPackageName(renamed); 6543 } 6544 6545 } else { 6546 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6547 if ((origPackage = mSettings.peekPackageLPr( 6548 pkg.mOriginalPackages.get(i))) != null) { 6549 // We do have the package already installed under its 6550 // original name... should we use it? 6551 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6552 // New package is not compatible with original. 6553 origPackage = null; 6554 continue; 6555 } else if (origPackage.sharedUser != null) { 6556 // Make sure uid is compatible between packages. 6557 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6558 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6559 + " to " + pkg.packageName + ": old uid " 6560 + origPackage.sharedUser.name 6561 + " differs from " + pkg.mSharedUserId); 6562 origPackage = null; 6563 continue; 6564 } 6565 } else { 6566 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6567 + pkg.packageName + " to old name " + origPackage.name); 6568 } 6569 break; 6570 } 6571 } 6572 } 6573 } 6574 6575 if (mTransferedPackages.contains(pkg.packageName)) { 6576 Slog.w(TAG, "Package " + pkg.packageName 6577 + " was transferred to another, but its .apk remains"); 6578 } 6579 6580 // Just create the setting, don't add it yet. For already existing packages 6581 // the PkgSetting exists already and doesn't have to be created. 6582 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6583 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6584 pkg.applicationInfo.primaryCpuAbi, 6585 pkg.applicationInfo.secondaryCpuAbi, 6586 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6587 user, false); 6588 if (pkgSetting == null) { 6589 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6590 "Creating application package " + pkg.packageName + " failed"); 6591 } 6592 6593 if (pkgSetting.origPackage != null) { 6594 // If we are first transitioning from an original package, 6595 // fix up the new package's name now. We need to do this after 6596 // looking up the package under its new name, so getPackageLP 6597 // can take care of fiddling things correctly. 6598 pkg.setPackageName(origPackage.name); 6599 6600 // File a report about this. 6601 String msg = "New package " + pkgSetting.realName 6602 + " renamed to replace old package " + pkgSetting.name; 6603 reportSettingsProblem(Log.WARN, msg); 6604 6605 // Make a note of it. 6606 mTransferedPackages.add(origPackage.name); 6607 6608 // No longer need to retain this. 6609 pkgSetting.origPackage = null; 6610 } 6611 6612 if (realName != null) { 6613 // Make a note of it. 6614 mTransferedPackages.add(pkg.packageName); 6615 } 6616 6617 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6618 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6619 } 6620 6621 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6622 // Check all shared libraries and map to their actual file path. 6623 // We only do this here for apps not on a system dir, because those 6624 // are the only ones that can fail an install due to this. We 6625 // will take care of the system apps by updating all of their 6626 // library paths after the scan is done. 6627 updateSharedLibrariesLPw(pkg, null); 6628 } 6629 6630 if (mFoundPolicyFile) { 6631 SELinuxMMAC.assignSeinfoValue(pkg); 6632 } 6633 6634 pkg.applicationInfo.uid = pkgSetting.appId; 6635 pkg.mExtras = pkgSetting; 6636 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6637 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6638 // We just determined the app is signed correctly, so bring 6639 // over the latest parsed certs. 6640 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6641 } else { 6642 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6643 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6644 "Package " + pkg.packageName + " upgrade keys do not match the " 6645 + "previously installed version"); 6646 } else { 6647 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6648 String msg = "System package " + pkg.packageName 6649 + " signature changed; retaining data."; 6650 reportSettingsProblem(Log.WARN, msg); 6651 } 6652 } 6653 } else { 6654 try { 6655 verifySignaturesLP(pkgSetting, pkg); 6656 // We just determined the app is signed correctly, so bring 6657 // over the latest parsed certs. 6658 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6659 } catch (PackageManagerException e) { 6660 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6661 throw e; 6662 } 6663 // The signature has changed, but this package is in the system 6664 // image... let's recover! 6665 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6666 // However... if this package is part of a shared user, but it 6667 // doesn't match the signature of the shared user, let's fail. 6668 // What this means is that you can't change the signatures 6669 // associated with an overall shared user, which doesn't seem all 6670 // that unreasonable. 6671 if (pkgSetting.sharedUser != null) { 6672 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6673 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6674 throw new PackageManagerException( 6675 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6676 "Signature mismatch for shared user : " 6677 + pkgSetting.sharedUser); 6678 } 6679 } 6680 // File a report about this. 6681 String msg = "System package " + pkg.packageName 6682 + " signature changed; retaining data."; 6683 reportSettingsProblem(Log.WARN, msg); 6684 } 6685 } 6686 // Verify that this new package doesn't have any content providers 6687 // that conflict with existing packages. Only do this if the 6688 // package isn't already installed, since we don't want to break 6689 // things that are installed. 6690 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6691 final int N = pkg.providers.size(); 6692 int i; 6693 for (i=0; i<N; i++) { 6694 PackageParser.Provider p = pkg.providers.get(i); 6695 if (p.info.authority != null) { 6696 String names[] = p.info.authority.split(";"); 6697 for (int j = 0; j < names.length; j++) { 6698 if (mProvidersByAuthority.containsKey(names[j])) { 6699 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6700 final String otherPackageName = 6701 ((other != null && other.getComponentName() != null) ? 6702 other.getComponentName().getPackageName() : "?"); 6703 throw new PackageManagerException( 6704 INSTALL_FAILED_CONFLICTING_PROVIDER, 6705 "Can't install because provider name " + names[j] 6706 + " (in package " + pkg.applicationInfo.packageName 6707 + ") is already used by " + otherPackageName); 6708 } 6709 } 6710 } 6711 } 6712 } 6713 6714 if (pkg.mAdoptPermissions != null) { 6715 // This package wants to adopt ownership of permissions from 6716 // another package. 6717 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6718 final String origName = pkg.mAdoptPermissions.get(i); 6719 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6720 if (orig != null) { 6721 if (verifyPackageUpdateLPr(orig, pkg)) { 6722 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6723 + pkg.packageName); 6724 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6725 } 6726 } 6727 } 6728 } 6729 } 6730 6731 final String pkgName = pkg.packageName; 6732 6733 final long scanFileTime = scanFile.lastModified(); 6734 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6735 pkg.applicationInfo.processName = fixProcessName( 6736 pkg.applicationInfo.packageName, 6737 pkg.applicationInfo.processName, 6738 pkg.applicationInfo.uid); 6739 6740 File dataPath; 6741 if (mPlatformPackage == pkg) { 6742 // The system package is special. 6743 dataPath = new File(Environment.getDataDirectory(), "system"); 6744 6745 pkg.applicationInfo.dataDir = dataPath.getPath(); 6746 6747 } else { 6748 // This is a normal package, need to make its data directory. 6749 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6750 UserHandle.USER_OWNER, pkg.packageName); 6751 6752 boolean uidError = false; 6753 if (dataPath.exists()) { 6754 int currentUid = 0; 6755 try { 6756 StructStat stat = Os.stat(dataPath.getPath()); 6757 currentUid = stat.st_uid; 6758 } catch (ErrnoException e) { 6759 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6760 } 6761 6762 // If we have mismatched owners for the data path, we have a problem. 6763 if (currentUid != pkg.applicationInfo.uid) { 6764 boolean recovered = false; 6765 if (currentUid == 0) { 6766 // The directory somehow became owned by root. Wow. 6767 // This is probably because the system was stopped while 6768 // installd was in the middle of messing with its libs 6769 // directory. Ask installd to fix that. 6770 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6771 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6772 if (ret >= 0) { 6773 recovered = true; 6774 String msg = "Package " + pkg.packageName 6775 + " unexpectedly changed to uid 0; recovered to " + 6776 + pkg.applicationInfo.uid; 6777 reportSettingsProblem(Log.WARN, msg); 6778 } 6779 } 6780 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6781 || (scanFlags&SCAN_BOOTING) != 0)) { 6782 // If this is a system app, we can at least delete its 6783 // current data so the application will still work. 6784 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6785 if (ret >= 0) { 6786 // TODO: Kill the processes first 6787 // Old data gone! 6788 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6789 ? "System package " : "Third party package "; 6790 String msg = prefix + pkg.packageName 6791 + " has changed from uid: " 6792 + currentUid + " to " 6793 + pkg.applicationInfo.uid + "; old data erased"; 6794 reportSettingsProblem(Log.WARN, msg); 6795 recovered = true; 6796 6797 // And now re-install the app. 6798 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6799 pkg.applicationInfo.seinfo); 6800 if (ret == -1) { 6801 // Ack should not happen! 6802 msg = prefix + pkg.packageName 6803 + " could not have data directory re-created after delete."; 6804 reportSettingsProblem(Log.WARN, msg); 6805 throw new PackageManagerException( 6806 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6807 } 6808 } 6809 if (!recovered) { 6810 mHasSystemUidErrors = true; 6811 } 6812 } else if (!recovered) { 6813 // If we allow this install to proceed, we will be broken. 6814 // Abort, abort! 6815 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6816 "scanPackageLI"); 6817 } 6818 if (!recovered) { 6819 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6820 + pkg.applicationInfo.uid + "/fs_" 6821 + currentUid; 6822 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6823 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6824 String msg = "Package " + pkg.packageName 6825 + " has mismatched uid: " 6826 + currentUid + " on disk, " 6827 + pkg.applicationInfo.uid + " in settings"; 6828 // writer 6829 synchronized (mPackages) { 6830 mSettings.mReadMessages.append(msg); 6831 mSettings.mReadMessages.append('\n'); 6832 uidError = true; 6833 if (!pkgSetting.uidError) { 6834 reportSettingsProblem(Log.ERROR, msg); 6835 } 6836 } 6837 } 6838 } 6839 pkg.applicationInfo.dataDir = dataPath.getPath(); 6840 if (mShouldRestoreconData) { 6841 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6842 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6843 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6844 } 6845 } else { 6846 if (DEBUG_PACKAGE_SCANNING) { 6847 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6848 Log.v(TAG, "Want this data dir: " + dataPath); 6849 } 6850 //invoke installer to do the actual installation 6851 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6852 pkg.applicationInfo.seinfo); 6853 if (ret < 0) { 6854 // Error from installer 6855 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6856 "Unable to create data dirs [errorCode=" + ret + "]"); 6857 } 6858 6859 if (dataPath.exists()) { 6860 pkg.applicationInfo.dataDir = dataPath.getPath(); 6861 } else { 6862 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6863 pkg.applicationInfo.dataDir = null; 6864 } 6865 } 6866 6867 pkgSetting.uidError = uidError; 6868 } 6869 6870 final String path = scanFile.getPath(); 6871 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6872 6873 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6874 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6875 6876 // Some system apps still use directory structure for native libraries 6877 // in which case we might end up not detecting abi solely based on apk 6878 // structure. Try to detect abi based on directory structure. 6879 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6880 pkg.applicationInfo.primaryCpuAbi == null) { 6881 setBundledAppAbisAndRoots(pkg, pkgSetting); 6882 setNativeLibraryPaths(pkg); 6883 } 6884 6885 } else { 6886 if ((scanFlags & SCAN_MOVE) != 0) { 6887 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6888 // but we already have this packages package info in the PackageSetting. We just 6889 // use that and derive the native library path based on the new codepath. 6890 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6891 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6892 } 6893 6894 // Set native library paths again. For moves, the path will be updated based on the 6895 // ABIs we've determined above. For non-moves, the path will be updated based on the 6896 // ABIs we determined during compilation, but the path will depend on the final 6897 // package path (after the rename away from the stage path). 6898 setNativeLibraryPaths(pkg); 6899 } 6900 6901 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6902 final int[] userIds = sUserManager.getUserIds(); 6903 synchronized (mInstallLock) { 6904 // Make sure all user data directories are ready to roll; we're okay 6905 // if they already exist 6906 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 6907 for (int userId : userIds) { 6908 if (userId != 0) { 6909 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 6910 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 6911 pkg.applicationInfo.seinfo); 6912 } 6913 } 6914 } 6915 6916 // Create a native library symlink only if we have native libraries 6917 // and if the native libraries are 32 bit libraries. We do not provide 6918 // this symlink for 64 bit libraries. 6919 if (pkg.applicationInfo.primaryCpuAbi != null && 6920 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 6921 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 6922 for (int userId : userIds) { 6923 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 6924 nativeLibPath, userId) < 0) { 6925 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 6926 "Failed linking native library dir (user=" + userId + ")"); 6927 } 6928 } 6929 } 6930 } 6931 6932 // This is a special case for the "system" package, where the ABI is 6933 // dictated by the zygote configuration (and init.rc). We should keep track 6934 // of this ABI so that we can deal with "normal" applications that run under 6935 // the same UID correctly. 6936 if (mPlatformPackage == pkg) { 6937 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 6938 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 6939 } 6940 6941 // If there's a mismatch between the abi-override in the package setting 6942 // and the abiOverride specified for the install. Warn about this because we 6943 // would've already compiled the app without taking the package setting into 6944 // account. 6945 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 6946 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 6947 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 6948 " for package: " + pkg.packageName); 6949 } 6950 } 6951 6952 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6953 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6954 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 6955 6956 // Copy the derived override back to the parsed package, so that we can 6957 // update the package settings accordingly. 6958 pkg.cpuAbiOverride = cpuAbiOverride; 6959 6960 if (DEBUG_ABI_SELECTION) { 6961 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 6962 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 6963 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 6964 } 6965 6966 // Push the derived path down into PackageSettings so we know what to 6967 // clean up at uninstall time. 6968 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 6969 6970 if (DEBUG_ABI_SELECTION) { 6971 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 6972 " primary=" + pkg.applicationInfo.primaryCpuAbi + 6973 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 6974 } 6975 6976 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 6977 // We don't do this here during boot because we can do it all 6978 // at once after scanning all existing packages. 6979 // 6980 // We also do this *before* we perform dexopt on this package, so that 6981 // we can avoid redundant dexopts, and also to make sure we've got the 6982 // code and package path correct. 6983 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 6984 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 6985 } 6986 6987 if ((scanFlags & SCAN_NO_DEX) == 0) { 6988 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 6989 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 6990 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 6991 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 6992 } 6993 } 6994 if (mFactoryTest && pkg.requestedPermissions.contains( 6995 android.Manifest.permission.FACTORY_TEST)) { 6996 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 6997 } 6998 6999 ArrayList<PackageParser.Package> clientLibPkgs = null; 7000 7001 // writer 7002 synchronized (mPackages) { 7003 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7004 // Only system apps can add new shared libraries. 7005 if (pkg.libraryNames != null) { 7006 for (int i=0; i<pkg.libraryNames.size(); i++) { 7007 String name = pkg.libraryNames.get(i); 7008 boolean allowed = false; 7009 if (pkg.isUpdatedSystemApp()) { 7010 // New library entries can only be added through the 7011 // system image. This is important to get rid of a lot 7012 // of nasty edge cases: for example if we allowed a non- 7013 // system update of the app to add a library, then uninstalling 7014 // the update would make the library go away, and assumptions 7015 // we made such as through app install filtering would now 7016 // have allowed apps on the device which aren't compatible 7017 // with it. Better to just have the restriction here, be 7018 // conservative, and create many fewer cases that can negatively 7019 // impact the user experience. 7020 final PackageSetting sysPs = mSettings 7021 .getDisabledSystemPkgLPr(pkg.packageName); 7022 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7023 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7024 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7025 allowed = true; 7026 allowed = true; 7027 break; 7028 } 7029 } 7030 } 7031 } else { 7032 allowed = true; 7033 } 7034 if (allowed) { 7035 if (!mSharedLibraries.containsKey(name)) { 7036 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7037 } else if (!name.equals(pkg.packageName)) { 7038 Slog.w(TAG, "Package " + pkg.packageName + " library " 7039 + name + " already exists; skipping"); 7040 } 7041 } else { 7042 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7043 + name + " that is not declared on system image; skipping"); 7044 } 7045 } 7046 if ((scanFlags&SCAN_BOOTING) == 0) { 7047 // If we are not booting, we need to update any applications 7048 // that are clients of our shared library. If we are booting, 7049 // this will all be done once the scan is complete. 7050 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7051 } 7052 } 7053 } 7054 } 7055 7056 // We also need to dexopt any apps that are dependent on this library. Note that 7057 // if these fail, we should abort the install since installing the library will 7058 // result in some apps being broken. 7059 if (clientLibPkgs != null) { 7060 if ((scanFlags & SCAN_NO_DEX) == 0) { 7061 for (int i = 0; i < clientLibPkgs.size(); i++) { 7062 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7063 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7064 null /* instruction sets */, forceDex, 7065 (scanFlags & SCAN_DEFER_DEX) != 0, false); 7066 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7067 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7068 "scanPackageLI failed to dexopt clientLibPkgs"); 7069 } 7070 } 7071 } 7072 } 7073 7074 // Also need to kill any apps that are dependent on the library. 7075 if (clientLibPkgs != null) { 7076 for (int i=0; i<clientLibPkgs.size(); i++) { 7077 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7078 killApplication(clientPkg.applicationInfo.packageName, 7079 clientPkg.applicationInfo.uid, "update lib"); 7080 } 7081 } 7082 7083 // Make sure we're not adding any bogus keyset info 7084 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7085 ksms.assertScannedPackageValid(pkg); 7086 7087 // writer 7088 synchronized (mPackages) { 7089 // We don't expect installation to fail beyond this point 7090 7091 // Add the new setting to mSettings 7092 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7093 // Add the new setting to mPackages 7094 mPackages.put(pkg.applicationInfo.packageName, pkg); 7095 // Make sure we don't accidentally delete its data. 7096 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7097 while (iter.hasNext()) { 7098 PackageCleanItem item = iter.next(); 7099 if (pkgName.equals(item.packageName)) { 7100 iter.remove(); 7101 } 7102 } 7103 7104 // Take care of first install / last update times. 7105 if (currentTime != 0) { 7106 if (pkgSetting.firstInstallTime == 0) { 7107 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7108 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7109 pkgSetting.lastUpdateTime = currentTime; 7110 } 7111 } else if (pkgSetting.firstInstallTime == 0) { 7112 // We need *something*. Take time time stamp of the file. 7113 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7114 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7115 if (scanFileTime != pkgSetting.timeStamp) { 7116 // A package on the system image has changed; consider this 7117 // to be an update. 7118 pkgSetting.lastUpdateTime = scanFileTime; 7119 } 7120 } 7121 7122 // Add the package's KeySets to the global KeySetManagerService 7123 ksms.addScannedPackageLPw(pkg); 7124 7125 int N = pkg.providers.size(); 7126 StringBuilder r = null; 7127 int i; 7128 for (i=0; i<N; i++) { 7129 PackageParser.Provider p = pkg.providers.get(i); 7130 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7131 p.info.processName, pkg.applicationInfo.uid); 7132 mProviders.addProvider(p); 7133 p.syncable = p.info.isSyncable; 7134 if (p.info.authority != null) { 7135 String names[] = p.info.authority.split(";"); 7136 p.info.authority = null; 7137 for (int j = 0; j < names.length; j++) { 7138 if (j == 1 && p.syncable) { 7139 // We only want the first authority for a provider to possibly be 7140 // syncable, so if we already added this provider using a different 7141 // authority clear the syncable flag. We copy the provider before 7142 // changing it because the mProviders object contains a reference 7143 // to a provider that we don't want to change. 7144 // Only do this for the second authority since the resulting provider 7145 // object can be the same for all future authorities for this provider. 7146 p = new PackageParser.Provider(p); 7147 p.syncable = false; 7148 } 7149 if (!mProvidersByAuthority.containsKey(names[j])) { 7150 mProvidersByAuthority.put(names[j], p); 7151 if (p.info.authority == null) { 7152 p.info.authority = names[j]; 7153 } else { 7154 p.info.authority = p.info.authority + ";" + names[j]; 7155 } 7156 if (DEBUG_PACKAGE_SCANNING) { 7157 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7158 Log.d(TAG, "Registered content provider: " + names[j] 7159 + ", className = " + p.info.name + ", isSyncable = " 7160 + p.info.isSyncable); 7161 } 7162 } else { 7163 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7164 Slog.w(TAG, "Skipping provider name " + names[j] + 7165 " (in package " + pkg.applicationInfo.packageName + 7166 "): name already used by " 7167 + ((other != null && other.getComponentName() != null) 7168 ? other.getComponentName().getPackageName() : "?")); 7169 } 7170 } 7171 } 7172 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7173 if (r == null) { 7174 r = new StringBuilder(256); 7175 } else { 7176 r.append(' '); 7177 } 7178 r.append(p.info.name); 7179 } 7180 } 7181 if (r != null) { 7182 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7183 } 7184 7185 N = pkg.services.size(); 7186 r = null; 7187 for (i=0; i<N; i++) { 7188 PackageParser.Service s = pkg.services.get(i); 7189 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7190 s.info.processName, pkg.applicationInfo.uid); 7191 mServices.addService(s); 7192 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7193 if (r == null) { 7194 r = new StringBuilder(256); 7195 } else { 7196 r.append(' '); 7197 } 7198 r.append(s.info.name); 7199 } 7200 } 7201 if (r != null) { 7202 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7203 } 7204 7205 N = pkg.receivers.size(); 7206 r = null; 7207 for (i=0; i<N; i++) { 7208 PackageParser.Activity a = pkg.receivers.get(i); 7209 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7210 a.info.processName, pkg.applicationInfo.uid); 7211 mReceivers.addActivity(a, "receiver"); 7212 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7213 if (r == null) { 7214 r = new StringBuilder(256); 7215 } else { 7216 r.append(' '); 7217 } 7218 r.append(a.info.name); 7219 } 7220 } 7221 if (r != null) { 7222 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7223 } 7224 7225 N = pkg.activities.size(); 7226 r = null; 7227 for (i=0; i<N; i++) { 7228 PackageParser.Activity a = pkg.activities.get(i); 7229 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7230 a.info.processName, pkg.applicationInfo.uid); 7231 mActivities.addActivity(a, "activity"); 7232 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7233 if (r == null) { 7234 r = new StringBuilder(256); 7235 } else { 7236 r.append(' '); 7237 } 7238 r.append(a.info.name); 7239 } 7240 } 7241 if (r != null) { 7242 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7243 } 7244 7245 N = pkg.permissionGroups.size(); 7246 r = null; 7247 for (i=0; i<N; i++) { 7248 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7249 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7250 if (cur == null) { 7251 mPermissionGroups.put(pg.info.name, pg); 7252 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7253 if (r == null) { 7254 r = new StringBuilder(256); 7255 } else { 7256 r.append(' '); 7257 } 7258 r.append(pg.info.name); 7259 } 7260 } else { 7261 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7262 + pg.info.packageName + " ignored: original from " 7263 + cur.info.packageName); 7264 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7265 if (r == null) { 7266 r = new StringBuilder(256); 7267 } else { 7268 r.append(' '); 7269 } 7270 r.append("DUP:"); 7271 r.append(pg.info.name); 7272 } 7273 } 7274 } 7275 if (r != null) { 7276 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7277 } 7278 7279 N = pkg.permissions.size(); 7280 r = null; 7281 for (i=0; i<N; i++) { 7282 PackageParser.Permission p = pkg.permissions.get(i); 7283 7284 // Now that permission groups have a special meaning, we ignore permission 7285 // groups for legacy apps to prevent unexpected behavior. In particular, 7286 // permissions for one app being granted to someone just becuase they happen 7287 // to be in a group defined by another app (before this had no implications). 7288 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7289 p.group = mPermissionGroups.get(p.info.group); 7290 // Warn for a permission in an unknown group. 7291 if (p.info.group != null && p.group == null) { 7292 Slog.w(TAG, "Permission " + p.info.name + " from package " 7293 + p.info.packageName + " in an unknown group " + p.info.group); 7294 } 7295 } 7296 7297 ArrayMap<String, BasePermission> permissionMap = 7298 p.tree ? mSettings.mPermissionTrees 7299 : mSettings.mPermissions; 7300 BasePermission bp = permissionMap.get(p.info.name); 7301 7302 // Allow system apps to redefine non-system permissions 7303 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7304 final boolean currentOwnerIsSystem = (bp.perm != null 7305 && isSystemApp(bp.perm.owner)); 7306 if (isSystemApp(p.owner)) { 7307 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7308 // It's a built-in permission and no owner, take ownership now 7309 bp.packageSetting = pkgSetting; 7310 bp.perm = p; 7311 bp.uid = pkg.applicationInfo.uid; 7312 bp.sourcePackage = p.info.packageName; 7313 } else if (!currentOwnerIsSystem) { 7314 String msg = "New decl " + p.owner + " of permission " 7315 + p.info.name + " is system; overriding " + bp.sourcePackage; 7316 reportSettingsProblem(Log.WARN, msg); 7317 bp = null; 7318 } 7319 } 7320 } 7321 7322 if (bp == null) { 7323 bp = new BasePermission(p.info.name, p.info.packageName, 7324 BasePermission.TYPE_NORMAL); 7325 permissionMap.put(p.info.name, bp); 7326 } 7327 7328 if (bp.perm == null) { 7329 if (bp.sourcePackage == null 7330 || bp.sourcePackage.equals(p.info.packageName)) { 7331 BasePermission tree = findPermissionTreeLP(p.info.name); 7332 if (tree == null 7333 || tree.sourcePackage.equals(p.info.packageName)) { 7334 bp.packageSetting = pkgSetting; 7335 bp.perm = p; 7336 bp.uid = pkg.applicationInfo.uid; 7337 bp.sourcePackage = p.info.packageName; 7338 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7339 if (r == null) { 7340 r = new StringBuilder(256); 7341 } else { 7342 r.append(' '); 7343 } 7344 r.append(p.info.name); 7345 } 7346 } else { 7347 Slog.w(TAG, "Permission " + p.info.name + " from package " 7348 + p.info.packageName + " ignored: base tree " 7349 + tree.name + " is from package " 7350 + tree.sourcePackage); 7351 } 7352 } else { 7353 Slog.w(TAG, "Permission " + p.info.name + " from package " 7354 + p.info.packageName + " ignored: original from " 7355 + bp.sourcePackage); 7356 } 7357 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7358 if (r == null) { 7359 r = new StringBuilder(256); 7360 } else { 7361 r.append(' '); 7362 } 7363 r.append("DUP:"); 7364 r.append(p.info.name); 7365 } 7366 if (bp.perm == p) { 7367 bp.protectionLevel = p.info.protectionLevel; 7368 } 7369 } 7370 7371 if (r != null) { 7372 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7373 } 7374 7375 N = pkg.instrumentation.size(); 7376 r = null; 7377 for (i=0; i<N; i++) { 7378 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7379 a.info.packageName = pkg.applicationInfo.packageName; 7380 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7381 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7382 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7383 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7384 a.info.dataDir = pkg.applicationInfo.dataDir; 7385 7386 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7387 // need other information about the application, like the ABI and what not ? 7388 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7389 mInstrumentation.put(a.getComponentName(), a); 7390 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7391 if (r == null) { 7392 r = new StringBuilder(256); 7393 } else { 7394 r.append(' '); 7395 } 7396 r.append(a.info.name); 7397 } 7398 } 7399 if (r != null) { 7400 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7401 } 7402 7403 if (pkg.protectedBroadcasts != null) { 7404 N = pkg.protectedBroadcasts.size(); 7405 for (i=0; i<N; i++) { 7406 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7407 } 7408 } 7409 7410 pkgSetting.setTimeStamp(scanFileTime); 7411 7412 // Create idmap files for pairs of (packages, overlay packages). 7413 // Note: "android", ie framework-res.apk, is handled by native layers. 7414 if (pkg.mOverlayTarget != null) { 7415 // This is an overlay package. 7416 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7417 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7418 mOverlays.put(pkg.mOverlayTarget, 7419 new ArrayMap<String, PackageParser.Package>()); 7420 } 7421 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7422 map.put(pkg.packageName, pkg); 7423 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7424 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7425 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7426 "scanPackageLI failed to createIdmap"); 7427 } 7428 } 7429 } else if (mOverlays.containsKey(pkg.packageName) && 7430 !pkg.packageName.equals("android")) { 7431 // This is a regular package, with one or more known overlay packages. 7432 createIdmapsForPackageLI(pkg); 7433 } 7434 } 7435 7436 return pkg; 7437 } 7438 7439 /** 7440 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7441 * is derived purely on the basis of the contents of {@code scanFile} and 7442 * {@code cpuAbiOverride}. 7443 * 7444 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7445 */ 7446 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7447 String cpuAbiOverride, boolean extractLibs) 7448 throws PackageManagerException { 7449 // TODO: We can probably be smarter about this stuff. For installed apps, 7450 // we can calculate this information at install time once and for all. For 7451 // system apps, we can probably assume that this information doesn't change 7452 // after the first boot scan. As things stand, we do lots of unnecessary work. 7453 7454 // Give ourselves some initial paths; we'll come back for another 7455 // pass once we've determined ABI below. 7456 setNativeLibraryPaths(pkg); 7457 7458 // We would never need to extract libs for forward-locked and external packages, 7459 // since the container service will do it for us. We shouldn't attempt to 7460 // extract libs from system app when it was not updated. 7461 if (pkg.isForwardLocked() || isExternal(pkg) || 7462 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7463 extractLibs = false; 7464 } 7465 7466 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7467 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7468 7469 NativeLibraryHelper.Handle handle = null; 7470 try { 7471 handle = NativeLibraryHelper.Handle.create(scanFile); 7472 // TODO(multiArch): This can be null for apps that didn't go through the 7473 // usual installation process. We can calculate it again, like we 7474 // do during install time. 7475 // 7476 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7477 // unnecessary. 7478 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7479 7480 // Null out the abis so that they can be recalculated. 7481 pkg.applicationInfo.primaryCpuAbi = null; 7482 pkg.applicationInfo.secondaryCpuAbi = null; 7483 if (isMultiArch(pkg.applicationInfo)) { 7484 // Warn if we've set an abiOverride for multi-lib packages.. 7485 // By definition, we need to copy both 32 and 64 bit libraries for 7486 // such packages. 7487 if (pkg.cpuAbiOverride != null 7488 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7489 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7490 } 7491 7492 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7493 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7494 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7495 if (extractLibs) { 7496 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7497 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7498 useIsaSpecificSubdirs); 7499 } else { 7500 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7501 } 7502 } 7503 7504 maybeThrowExceptionForMultiArchCopy( 7505 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7506 7507 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7508 if (extractLibs) { 7509 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7510 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7511 useIsaSpecificSubdirs); 7512 } else { 7513 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7514 } 7515 } 7516 7517 maybeThrowExceptionForMultiArchCopy( 7518 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7519 7520 if (abi64 >= 0) { 7521 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7522 } 7523 7524 if (abi32 >= 0) { 7525 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7526 if (abi64 >= 0) { 7527 pkg.applicationInfo.secondaryCpuAbi = abi; 7528 } else { 7529 pkg.applicationInfo.primaryCpuAbi = abi; 7530 } 7531 } 7532 } else { 7533 String[] abiList = (cpuAbiOverride != null) ? 7534 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7535 7536 // Enable gross and lame hacks for apps that are built with old 7537 // SDK tools. We must scan their APKs for renderscript bitcode and 7538 // not launch them if it's present. Don't bother checking on devices 7539 // that don't have 64 bit support. 7540 boolean needsRenderScriptOverride = false; 7541 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7542 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7543 abiList = Build.SUPPORTED_32_BIT_ABIS; 7544 needsRenderScriptOverride = true; 7545 } 7546 7547 final int copyRet; 7548 if (extractLibs) { 7549 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7550 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7551 } else { 7552 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7553 } 7554 7555 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7556 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7557 "Error unpackaging native libs for app, errorCode=" + copyRet); 7558 } 7559 7560 if (copyRet >= 0) { 7561 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7562 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7563 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7564 } else if (needsRenderScriptOverride) { 7565 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7566 } 7567 } 7568 } catch (IOException ioe) { 7569 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7570 } finally { 7571 IoUtils.closeQuietly(handle); 7572 } 7573 7574 // Now that we've calculated the ABIs and determined if it's an internal app, 7575 // we will go ahead and populate the nativeLibraryPath. 7576 setNativeLibraryPaths(pkg); 7577 } 7578 7579 /** 7580 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7581 * i.e, so that all packages can be run inside a single process if required. 7582 * 7583 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7584 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7585 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7586 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7587 * updating a package that belongs to a shared user. 7588 * 7589 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7590 * adds unnecessary complexity. 7591 */ 7592 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7593 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 7594 String requiredInstructionSet = null; 7595 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7596 requiredInstructionSet = VMRuntime.getInstructionSet( 7597 scannedPackage.applicationInfo.primaryCpuAbi); 7598 } 7599 7600 PackageSetting requirer = null; 7601 for (PackageSetting ps : packagesForUser) { 7602 // If packagesForUser contains scannedPackage, we skip it. This will happen 7603 // when scannedPackage is an update of an existing package. Without this check, 7604 // we will never be able to change the ABI of any package belonging to a shared 7605 // user, even if it's compatible with other packages. 7606 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7607 if (ps.primaryCpuAbiString == null) { 7608 continue; 7609 } 7610 7611 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7612 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7613 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7614 // this but there's not much we can do. 7615 String errorMessage = "Instruction set mismatch, " 7616 + ((requirer == null) ? "[caller]" : requirer) 7617 + " requires " + requiredInstructionSet + " whereas " + ps 7618 + " requires " + instructionSet; 7619 Slog.w(TAG, errorMessage); 7620 } 7621 7622 if (requiredInstructionSet == null) { 7623 requiredInstructionSet = instructionSet; 7624 requirer = ps; 7625 } 7626 } 7627 } 7628 7629 if (requiredInstructionSet != null) { 7630 String adjustedAbi; 7631 if (requirer != null) { 7632 // requirer != null implies that either scannedPackage was null or that scannedPackage 7633 // did not require an ABI, in which case we have to adjust scannedPackage to match 7634 // the ABI of the set (which is the same as requirer's ABI) 7635 adjustedAbi = requirer.primaryCpuAbiString; 7636 if (scannedPackage != null) { 7637 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7638 } 7639 } else { 7640 // requirer == null implies that we're updating all ABIs in the set to 7641 // match scannedPackage. 7642 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7643 } 7644 7645 for (PackageSetting ps : packagesForUser) { 7646 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7647 if (ps.primaryCpuAbiString != null) { 7648 continue; 7649 } 7650 7651 ps.primaryCpuAbiString = adjustedAbi; 7652 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7653 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7654 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7655 7656 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7657 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 7658 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7659 ps.primaryCpuAbiString = null; 7660 ps.pkg.applicationInfo.primaryCpuAbi = null; 7661 return; 7662 } else { 7663 mInstaller.rmdex(ps.codePathString, 7664 getDexCodeInstructionSet(getPreferredInstructionSet())); 7665 } 7666 } 7667 } 7668 } 7669 } 7670 } 7671 7672 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7673 synchronized (mPackages) { 7674 mResolverReplaced = true; 7675 // Set up information for custom user intent resolution activity. 7676 mResolveActivity.applicationInfo = pkg.applicationInfo; 7677 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7678 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7679 mResolveActivity.processName = pkg.applicationInfo.packageName; 7680 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7681 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7682 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7683 mResolveActivity.theme = 0; 7684 mResolveActivity.exported = true; 7685 mResolveActivity.enabled = true; 7686 mResolveInfo.activityInfo = mResolveActivity; 7687 mResolveInfo.priority = 0; 7688 mResolveInfo.preferredOrder = 0; 7689 mResolveInfo.match = 0; 7690 mResolveComponentName = mCustomResolverComponentName; 7691 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7692 mResolveComponentName); 7693 } 7694 } 7695 7696 private static String calculateBundledApkRoot(final String codePathString) { 7697 final File codePath = new File(codePathString); 7698 final File codeRoot; 7699 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7700 codeRoot = Environment.getRootDirectory(); 7701 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7702 codeRoot = Environment.getOemDirectory(); 7703 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7704 codeRoot = Environment.getVendorDirectory(); 7705 } else { 7706 // Unrecognized code path; take its top real segment as the apk root: 7707 // e.g. /something/app/blah.apk => /something 7708 try { 7709 File f = codePath.getCanonicalFile(); 7710 File parent = f.getParentFile(); // non-null because codePath is a file 7711 File tmp; 7712 while ((tmp = parent.getParentFile()) != null) { 7713 f = parent; 7714 parent = tmp; 7715 } 7716 codeRoot = f; 7717 Slog.w(TAG, "Unrecognized code path " 7718 + codePath + " - using " + codeRoot); 7719 } catch (IOException e) { 7720 // Can't canonicalize the code path -- shenanigans? 7721 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7722 return Environment.getRootDirectory().getPath(); 7723 } 7724 } 7725 return codeRoot.getPath(); 7726 } 7727 7728 /** 7729 * Derive and set the location of native libraries for the given package, 7730 * which varies depending on where and how the package was installed. 7731 */ 7732 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7733 final ApplicationInfo info = pkg.applicationInfo; 7734 final String codePath = pkg.codePath; 7735 final File codeFile = new File(codePath); 7736 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7737 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7738 7739 info.nativeLibraryRootDir = null; 7740 info.nativeLibraryRootRequiresIsa = false; 7741 info.nativeLibraryDir = null; 7742 info.secondaryNativeLibraryDir = null; 7743 7744 if (isApkFile(codeFile)) { 7745 // Monolithic install 7746 if (bundledApp) { 7747 // If "/system/lib64/apkname" exists, assume that is the per-package 7748 // native library directory to use; otherwise use "/system/lib/apkname". 7749 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7750 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7751 getPrimaryInstructionSet(info)); 7752 7753 // This is a bundled system app so choose the path based on the ABI. 7754 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7755 // is just the default path. 7756 final String apkName = deriveCodePathName(codePath); 7757 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7758 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7759 apkName).getAbsolutePath(); 7760 7761 if (info.secondaryCpuAbi != null) { 7762 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7763 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7764 secondaryLibDir, apkName).getAbsolutePath(); 7765 } 7766 } else if (asecApp) { 7767 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7768 .getAbsolutePath(); 7769 } else { 7770 final String apkName = deriveCodePathName(codePath); 7771 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7772 .getAbsolutePath(); 7773 } 7774 7775 info.nativeLibraryRootRequiresIsa = false; 7776 info.nativeLibraryDir = info.nativeLibraryRootDir; 7777 } else { 7778 // Cluster install 7779 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7780 info.nativeLibraryRootRequiresIsa = true; 7781 7782 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7783 getPrimaryInstructionSet(info)).getAbsolutePath(); 7784 7785 if (info.secondaryCpuAbi != null) { 7786 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7787 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7788 } 7789 } 7790 } 7791 7792 /** 7793 * Calculate the abis and roots for a bundled app. These can uniquely 7794 * be determined from the contents of the system partition, i.e whether 7795 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7796 * of this information, and instead assume that the system was built 7797 * sensibly. 7798 */ 7799 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7800 PackageSetting pkgSetting) { 7801 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7802 7803 // If "/system/lib64/apkname" exists, assume that is the per-package 7804 // native library directory to use; otherwise use "/system/lib/apkname". 7805 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7806 setBundledAppAbi(pkg, apkRoot, apkName); 7807 // pkgSetting might be null during rescan following uninstall of updates 7808 // to a bundled app, so accommodate that possibility. The settings in 7809 // that case will be established later from the parsed package. 7810 // 7811 // If the settings aren't null, sync them up with what we've just derived. 7812 // note that apkRoot isn't stored in the package settings. 7813 if (pkgSetting != null) { 7814 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7815 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7816 } 7817 } 7818 7819 /** 7820 * Deduces the ABI of a bundled app and sets the relevant fields on the 7821 * parsed pkg object. 7822 * 7823 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7824 * under which system libraries are installed. 7825 * @param apkName the name of the installed package. 7826 */ 7827 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7828 final File codeFile = new File(pkg.codePath); 7829 7830 final boolean has64BitLibs; 7831 final boolean has32BitLibs; 7832 if (isApkFile(codeFile)) { 7833 // Monolithic install 7834 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7835 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7836 } else { 7837 // Cluster install 7838 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7839 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7840 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7841 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7842 has64BitLibs = (new File(rootDir, isa)).exists(); 7843 } else { 7844 has64BitLibs = false; 7845 } 7846 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7847 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7848 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7849 has32BitLibs = (new File(rootDir, isa)).exists(); 7850 } else { 7851 has32BitLibs = false; 7852 } 7853 } 7854 7855 if (has64BitLibs && !has32BitLibs) { 7856 // The package has 64 bit libs, but not 32 bit libs. Its primary 7857 // ABI should be 64 bit. We can safely assume here that the bundled 7858 // native libraries correspond to the most preferred ABI in the list. 7859 7860 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7861 pkg.applicationInfo.secondaryCpuAbi = null; 7862 } else if (has32BitLibs && !has64BitLibs) { 7863 // The package has 32 bit libs but not 64 bit libs. Its primary 7864 // ABI should be 32 bit. 7865 7866 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7867 pkg.applicationInfo.secondaryCpuAbi = null; 7868 } else if (has32BitLibs && has64BitLibs) { 7869 // The application has both 64 and 32 bit bundled libraries. We check 7870 // here that the app declares multiArch support, and warn if it doesn't. 7871 // 7872 // We will be lenient here and record both ABIs. The primary will be the 7873 // ABI that's higher on the list, i.e, a device that's configured to prefer 7874 // 64 bit apps will see a 64 bit primary ABI, 7875 7876 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7877 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7878 } 7879 7880 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7881 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7882 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7883 } else { 7884 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7885 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7886 } 7887 } else { 7888 pkg.applicationInfo.primaryCpuAbi = null; 7889 pkg.applicationInfo.secondaryCpuAbi = null; 7890 } 7891 } 7892 7893 private void killApplication(String pkgName, int appId, String reason) { 7894 // Request the ActivityManager to kill the process(only for existing packages) 7895 // so that we do not end up in a confused state while the user is still using the older 7896 // version of the application while the new one gets installed. 7897 IActivityManager am = ActivityManagerNative.getDefault(); 7898 if (am != null) { 7899 try { 7900 am.killApplicationWithAppId(pkgName, appId, reason); 7901 } catch (RemoteException e) { 7902 } 7903 } 7904 } 7905 7906 void removePackageLI(PackageSetting ps, boolean chatty) { 7907 if (DEBUG_INSTALL) { 7908 if (chatty) 7909 Log.d(TAG, "Removing package " + ps.name); 7910 } 7911 7912 // writer 7913 synchronized (mPackages) { 7914 mPackages.remove(ps.name); 7915 final PackageParser.Package pkg = ps.pkg; 7916 if (pkg != null) { 7917 cleanPackageDataStructuresLILPw(pkg, chatty); 7918 } 7919 } 7920 } 7921 7922 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 7923 if (DEBUG_INSTALL) { 7924 if (chatty) 7925 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 7926 } 7927 7928 // writer 7929 synchronized (mPackages) { 7930 mPackages.remove(pkg.applicationInfo.packageName); 7931 cleanPackageDataStructuresLILPw(pkg, chatty); 7932 } 7933 } 7934 7935 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 7936 int N = pkg.providers.size(); 7937 StringBuilder r = null; 7938 int i; 7939 for (i=0; i<N; i++) { 7940 PackageParser.Provider p = pkg.providers.get(i); 7941 mProviders.removeProvider(p); 7942 if (p.info.authority == null) { 7943 7944 /* There was another ContentProvider with this authority when 7945 * this app was installed so this authority is null, 7946 * Ignore it as we don't have to unregister the provider. 7947 */ 7948 continue; 7949 } 7950 String names[] = p.info.authority.split(";"); 7951 for (int j = 0; j < names.length; j++) { 7952 if (mProvidersByAuthority.get(names[j]) == p) { 7953 mProvidersByAuthority.remove(names[j]); 7954 if (DEBUG_REMOVE) { 7955 if (chatty) 7956 Log.d(TAG, "Unregistered content provider: " + names[j] 7957 + ", className = " + p.info.name + ", isSyncable = " 7958 + p.info.isSyncable); 7959 } 7960 } 7961 } 7962 if (DEBUG_REMOVE && chatty) { 7963 if (r == null) { 7964 r = new StringBuilder(256); 7965 } else { 7966 r.append(' '); 7967 } 7968 r.append(p.info.name); 7969 } 7970 } 7971 if (r != null) { 7972 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 7973 } 7974 7975 N = pkg.services.size(); 7976 r = null; 7977 for (i=0; i<N; i++) { 7978 PackageParser.Service s = pkg.services.get(i); 7979 mServices.removeService(s); 7980 if (chatty) { 7981 if (r == null) { 7982 r = new StringBuilder(256); 7983 } else { 7984 r.append(' '); 7985 } 7986 r.append(s.info.name); 7987 } 7988 } 7989 if (r != null) { 7990 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 7991 } 7992 7993 N = pkg.receivers.size(); 7994 r = null; 7995 for (i=0; i<N; i++) { 7996 PackageParser.Activity a = pkg.receivers.get(i); 7997 mReceivers.removeActivity(a, "receiver"); 7998 if (DEBUG_REMOVE && chatty) { 7999 if (r == null) { 8000 r = new StringBuilder(256); 8001 } else { 8002 r.append(' '); 8003 } 8004 r.append(a.info.name); 8005 } 8006 } 8007 if (r != null) { 8008 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8009 } 8010 8011 N = pkg.activities.size(); 8012 r = null; 8013 for (i=0; i<N; i++) { 8014 PackageParser.Activity a = pkg.activities.get(i); 8015 mActivities.removeActivity(a, "activity"); 8016 if (DEBUG_REMOVE && chatty) { 8017 if (r == null) { 8018 r = new StringBuilder(256); 8019 } else { 8020 r.append(' '); 8021 } 8022 r.append(a.info.name); 8023 } 8024 } 8025 if (r != null) { 8026 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8027 } 8028 8029 N = pkg.permissions.size(); 8030 r = null; 8031 for (i=0; i<N; i++) { 8032 PackageParser.Permission p = pkg.permissions.get(i); 8033 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8034 if (bp == null) { 8035 bp = mSettings.mPermissionTrees.get(p.info.name); 8036 } 8037 if (bp != null && bp.perm == p) { 8038 bp.perm = null; 8039 if (DEBUG_REMOVE && chatty) { 8040 if (r == null) { 8041 r = new StringBuilder(256); 8042 } else { 8043 r.append(' '); 8044 } 8045 r.append(p.info.name); 8046 } 8047 } 8048 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8049 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8050 if (appOpPerms != null) { 8051 appOpPerms.remove(pkg.packageName); 8052 } 8053 } 8054 } 8055 if (r != null) { 8056 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8057 } 8058 8059 N = pkg.requestedPermissions.size(); 8060 r = null; 8061 for (i=0; i<N; i++) { 8062 String perm = pkg.requestedPermissions.get(i); 8063 BasePermission bp = mSettings.mPermissions.get(perm); 8064 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8065 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8066 if (appOpPerms != null) { 8067 appOpPerms.remove(pkg.packageName); 8068 if (appOpPerms.isEmpty()) { 8069 mAppOpPermissionPackages.remove(perm); 8070 } 8071 } 8072 } 8073 } 8074 if (r != null) { 8075 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8076 } 8077 8078 N = pkg.instrumentation.size(); 8079 r = null; 8080 for (i=0; i<N; i++) { 8081 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8082 mInstrumentation.remove(a.getComponentName()); 8083 if (DEBUG_REMOVE && chatty) { 8084 if (r == null) { 8085 r = new StringBuilder(256); 8086 } else { 8087 r.append(' '); 8088 } 8089 r.append(a.info.name); 8090 } 8091 } 8092 if (r != null) { 8093 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8094 } 8095 8096 r = null; 8097 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8098 // Only system apps can hold shared libraries. 8099 if (pkg.libraryNames != null) { 8100 for (i=0; i<pkg.libraryNames.size(); i++) { 8101 String name = pkg.libraryNames.get(i); 8102 SharedLibraryEntry cur = mSharedLibraries.get(name); 8103 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8104 mSharedLibraries.remove(name); 8105 if (DEBUG_REMOVE && chatty) { 8106 if (r == null) { 8107 r = new StringBuilder(256); 8108 } else { 8109 r.append(' '); 8110 } 8111 r.append(name); 8112 } 8113 } 8114 } 8115 } 8116 } 8117 if (r != null) { 8118 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8119 } 8120 } 8121 8122 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8123 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8124 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8125 return true; 8126 } 8127 } 8128 return false; 8129 } 8130 8131 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8132 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8133 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8134 8135 private void updatePermissionsLPw(String changingPkg, 8136 PackageParser.Package pkgInfo, int flags) { 8137 // Make sure there are no dangling permission trees. 8138 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8139 while (it.hasNext()) { 8140 final BasePermission bp = it.next(); 8141 if (bp.packageSetting == null) { 8142 // We may not yet have parsed the package, so just see if 8143 // we still know about its settings. 8144 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8145 } 8146 if (bp.packageSetting == null) { 8147 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8148 + " from package " + bp.sourcePackage); 8149 it.remove(); 8150 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8151 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8152 Slog.i(TAG, "Removing old permission tree: " + bp.name 8153 + " from package " + bp.sourcePackage); 8154 flags |= UPDATE_PERMISSIONS_ALL; 8155 it.remove(); 8156 } 8157 } 8158 } 8159 8160 // Make sure all dynamic permissions have been assigned to a package, 8161 // and make sure there are no dangling permissions. 8162 it = mSettings.mPermissions.values().iterator(); 8163 while (it.hasNext()) { 8164 final BasePermission bp = it.next(); 8165 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8166 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8167 + bp.name + " pkg=" + bp.sourcePackage 8168 + " info=" + bp.pendingInfo); 8169 if (bp.packageSetting == null && bp.pendingInfo != null) { 8170 final BasePermission tree = findPermissionTreeLP(bp.name); 8171 if (tree != null && tree.perm != null) { 8172 bp.packageSetting = tree.packageSetting; 8173 bp.perm = new PackageParser.Permission(tree.perm.owner, 8174 new PermissionInfo(bp.pendingInfo)); 8175 bp.perm.info.packageName = tree.perm.info.packageName; 8176 bp.perm.info.name = bp.name; 8177 bp.uid = tree.uid; 8178 } 8179 } 8180 } 8181 if (bp.packageSetting == null) { 8182 // We may not yet have parsed the package, so just see if 8183 // we still know about its settings. 8184 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8185 } 8186 if (bp.packageSetting == null) { 8187 Slog.w(TAG, "Removing dangling permission: " + bp.name 8188 + " from package " + bp.sourcePackage); 8189 it.remove(); 8190 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8191 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8192 Slog.i(TAG, "Removing old permission: " + bp.name 8193 + " from package " + bp.sourcePackage); 8194 flags |= UPDATE_PERMISSIONS_ALL; 8195 it.remove(); 8196 } 8197 } 8198 } 8199 8200 // Now update the permissions for all packages, in particular 8201 // replace the granted permissions of the system packages. 8202 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8203 for (PackageParser.Package pkg : mPackages.values()) { 8204 if (pkg != pkgInfo) { 8205 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8206 changingPkg); 8207 } 8208 } 8209 } 8210 8211 if (pkgInfo != null) { 8212 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8213 } 8214 } 8215 8216 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8217 String packageOfInterest) { 8218 // IMPORTANT: There are two types of permissions: install and runtime. 8219 // Install time permissions are granted when the app is installed to 8220 // all device users and users added in the future. Runtime permissions 8221 // are granted at runtime explicitly to specific users. Normal and signature 8222 // protected permissions are install time permissions. Dangerous permissions 8223 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8224 // otherwise they are runtime permissions. This function does not manage 8225 // runtime permissions except for the case an app targeting Lollipop MR1 8226 // being upgraded to target a newer SDK, in which case dangerous permissions 8227 // are transformed from install time to runtime ones. 8228 8229 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8230 if (ps == null) { 8231 return; 8232 } 8233 8234 PermissionsState permissionsState = ps.getPermissionsState(); 8235 PermissionsState origPermissions = permissionsState; 8236 8237 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8238 8239 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8240 8241 boolean changedInstallPermission = false; 8242 8243 if (replace) { 8244 ps.installPermissionsFixed = false; 8245 if (!ps.isSharedUser()) { 8246 origPermissions = new PermissionsState(permissionsState); 8247 permissionsState.reset(); 8248 } 8249 } 8250 8251 permissionsState.setGlobalGids(mGlobalGids); 8252 8253 final int N = pkg.requestedPermissions.size(); 8254 for (int i=0; i<N; i++) { 8255 final String name = pkg.requestedPermissions.get(i); 8256 final BasePermission bp = mSettings.mPermissions.get(name); 8257 8258 if (DEBUG_INSTALL) { 8259 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8260 } 8261 8262 if (bp == null || bp.packageSetting == null) { 8263 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8264 Slog.w(TAG, "Unknown permission " + name 8265 + " in package " + pkg.packageName); 8266 } 8267 continue; 8268 } 8269 8270 final String perm = bp.name; 8271 boolean allowedSig = false; 8272 int grant = GRANT_DENIED; 8273 8274 // Keep track of app op permissions. 8275 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8276 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8277 if (pkgs == null) { 8278 pkgs = new ArraySet<>(); 8279 mAppOpPermissionPackages.put(bp.name, pkgs); 8280 } 8281 pkgs.add(pkg.packageName); 8282 } 8283 8284 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8285 switch (level) { 8286 case PermissionInfo.PROTECTION_NORMAL: { 8287 // For all apps normal permissions are install time ones. 8288 grant = GRANT_INSTALL; 8289 } break; 8290 8291 case PermissionInfo.PROTECTION_DANGEROUS: { 8292 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8293 // For legacy apps dangerous permissions are install time ones. 8294 grant = GRANT_INSTALL_LEGACY; 8295 } else if (origPermissions.hasInstallPermission(bp.name)) { 8296 // For legacy apps that became modern, install becomes runtime. 8297 grant = GRANT_UPGRADE; 8298 } else { 8299 // For modern apps keep runtime permissions unchanged. 8300 grant = GRANT_RUNTIME; 8301 } 8302 } break; 8303 8304 case PermissionInfo.PROTECTION_SIGNATURE: { 8305 // For all apps signature permissions are install time ones. 8306 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8307 if (allowedSig) { 8308 grant = GRANT_INSTALL; 8309 } 8310 } break; 8311 } 8312 8313 if (DEBUG_INSTALL) { 8314 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8315 } 8316 8317 if (grant != GRANT_DENIED) { 8318 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8319 // If this is an existing, non-system package, then 8320 // we can't add any new permissions to it. 8321 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8322 // Except... if this is a permission that was added 8323 // to the platform (note: need to only do this when 8324 // updating the platform). 8325 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8326 grant = GRANT_DENIED; 8327 } 8328 } 8329 } 8330 8331 switch (grant) { 8332 case GRANT_INSTALL: { 8333 // Revoke this as runtime permission to handle the case of 8334 // a runtime permission being downgraded to an install one. 8335 for (int userId : UserManagerService.getInstance().getUserIds()) { 8336 if (origPermissions.getRuntimePermissionState( 8337 bp.name, userId) != null) { 8338 // Revoke the runtime permission and clear the flags. 8339 origPermissions.revokeRuntimePermission(bp, userId); 8340 origPermissions.updatePermissionFlags(bp, userId, 8341 PackageManager.MASK_PERMISSION_FLAGS, 0); 8342 // If we revoked a permission permission, we have to write. 8343 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8344 changedRuntimePermissionUserIds, userId); 8345 } 8346 } 8347 // Grant an install permission. 8348 if (permissionsState.grantInstallPermission(bp) != 8349 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8350 changedInstallPermission = true; 8351 } 8352 } break; 8353 8354 case GRANT_INSTALL_LEGACY: { 8355 // Grant an install permission. 8356 if (permissionsState.grantInstallPermission(bp) != 8357 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8358 changedInstallPermission = true; 8359 } 8360 } break; 8361 8362 case GRANT_RUNTIME: { 8363 // Grant previously granted runtime permissions. 8364 for (int userId : UserManagerService.getInstance().getUserIds()) { 8365 PermissionState permissionState = origPermissions 8366 .getRuntimePermissionState(bp.name, userId); 8367 final int flags = permissionState != null 8368 ? permissionState.getFlags() : 0; 8369 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8370 if (permissionsState.grantRuntimePermission(bp, userId) == 8371 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8372 // If we cannot put the permission as it was, we have to write. 8373 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8374 changedRuntimePermissionUserIds, userId); 8375 } 8376 } 8377 // Propagate the permission flags. 8378 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8379 } 8380 } break; 8381 8382 case GRANT_UPGRADE: { 8383 // Grant runtime permissions for a previously held install permission. 8384 PermissionState permissionState = origPermissions 8385 .getInstallPermissionState(bp.name); 8386 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8387 8388 if (origPermissions.revokeInstallPermission(bp) 8389 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8390 // We will be transferring the permission flags, so clear them. 8391 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8392 PackageManager.MASK_PERMISSION_FLAGS, 0); 8393 changedInstallPermission = true; 8394 } 8395 8396 // If the permission is not to be promoted to runtime we ignore it and 8397 // also its other flags as they are not applicable to install permissions. 8398 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8399 for (int userId : currentUserIds) { 8400 if (permissionsState.grantRuntimePermission(bp, userId) != 8401 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8402 // Transfer the permission flags. 8403 permissionsState.updatePermissionFlags(bp, userId, 8404 flags, flags); 8405 // If we granted the permission, we have to write. 8406 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8407 changedRuntimePermissionUserIds, userId); 8408 } 8409 } 8410 } 8411 } break; 8412 8413 default: { 8414 if (packageOfInterest == null 8415 || packageOfInterest.equals(pkg.packageName)) { 8416 Slog.w(TAG, "Not granting permission " + perm 8417 + " to package " + pkg.packageName 8418 + " because it was previously installed without"); 8419 } 8420 } break; 8421 } 8422 } else { 8423 if (permissionsState.revokeInstallPermission(bp) != 8424 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8425 // Also drop the permission flags. 8426 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8427 PackageManager.MASK_PERMISSION_FLAGS, 0); 8428 changedInstallPermission = true; 8429 Slog.i(TAG, "Un-granting permission " + perm 8430 + " from package " + pkg.packageName 8431 + " (protectionLevel=" + bp.protectionLevel 8432 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8433 + ")"); 8434 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8435 // Don't print warning for app op permissions, since it is fine for them 8436 // not to be granted, there is a UI for the user to decide. 8437 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8438 Slog.w(TAG, "Not granting permission " + perm 8439 + " to package " + pkg.packageName 8440 + " (protectionLevel=" + bp.protectionLevel 8441 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8442 + ")"); 8443 } 8444 } 8445 } 8446 } 8447 8448 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8449 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8450 // This is the first that we have heard about this package, so the 8451 // permissions we have now selected are fixed until explicitly 8452 // changed. 8453 ps.installPermissionsFixed = true; 8454 } 8455 8456 // Persist the runtime permissions state for users with changes. 8457 for (int userId : changedRuntimePermissionUserIds) { 8458 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8459 } 8460 } 8461 8462 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8463 boolean allowed = false; 8464 final int NP = PackageParser.NEW_PERMISSIONS.length; 8465 for (int ip=0; ip<NP; ip++) { 8466 final PackageParser.NewPermissionInfo npi 8467 = PackageParser.NEW_PERMISSIONS[ip]; 8468 if (npi.name.equals(perm) 8469 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8470 allowed = true; 8471 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8472 + pkg.packageName); 8473 break; 8474 } 8475 } 8476 return allowed; 8477 } 8478 8479 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8480 BasePermission bp, PermissionsState origPermissions) { 8481 boolean allowed; 8482 allowed = (compareSignatures( 8483 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8484 == PackageManager.SIGNATURE_MATCH) 8485 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8486 == PackageManager.SIGNATURE_MATCH); 8487 if (!allowed && (bp.protectionLevel 8488 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8489 if (isSystemApp(pkg)) { 8490 // For updated system applications, a system permission 8491 // is granted only if it had been defined by the original application. 8492 if (pkg.isUpdatedSystemApp()) { 8493 final PackageSetting sysPs = mSettings 8494 .getDisabledSystemPkgLPr(pkg.packageName); 8495 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8496 // If the original was granted this permission, we take 8497 // that grant decision as read and propagate it to the 8498 // update. 8499 if (sysPs.isPrivileged()) { 8500 allowed = true; 8501 } 8502 } else { 8503 // The system apk may have been updated with an older 8504 // version of the one on the data partition, but which 8505 // granted a new system permission that it didn't have 8506 // before. In this case we do want to allow the app to 8507 // now get the new permission if the ancestral apk is 8508 // privileged to get it. 8509 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8510 for (int j=0; 8511 j<sysPs.pkg.requestedPermissions.size(); j++) { 8512 if (perm.equals( 8513 sysPs.pkg.requestedPermissions.get(j))) { 8514 allowed = true; 8515 break; 8516 } 8517 } 8518 } 8519 } 8520 } else { 8521 allowed = isPrivilegedApp(pkg); 8522 } 8523 } 8524 } 8525 if (!allowed) { 8526 if (!allowed && (bp.protectionLevel 8527 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8528 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.MNC) { 8529 // If this was a previously normal/dangerous permission that got moved 8530 // to a system permission as part of the runtime permission redesign, then 8531 // we still want to blindly grant it to old apps. 8532 allowed = true; 8533 } 8534 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8535 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8536 // If this permission is to be granted to the system installer and 8537 // this app is an installer, then it gets the permission. 8538 allowed = true; 8539 } 8540 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8541 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8542 // If this permission is to be granted to the system verifier and 8543 // this app is a verifier, then it gets the permission. 8544 allowed = true; 8545 } 8546 if (!allowed && (bp.protectionLevel 8547 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8548 && isSystemApp(pkg)) { 8549 // Any pre-installed system app is allowed to get this permission. 8550 allowed = true; 8551 } 8552 if (!allowed && (bp.protectionLevel 8553 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8554 // For development permissions, a development permission 8555 // is granted only if it was already granted. 8556 allowed = origPermissions.hasInstallPermission(perm); 8557 } 8558 } 8559 return allowed; 8560 } 8561 8562 final class ActivityIntentResolver 8563 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8564 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8565 boolean defaultOnly, int userId) { 8566 if (!sUserManager.exists(userId)) return null; 8567 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8568 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8569 } 8570 8571 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8572 int userId) { 8573 if (!sUserManager.exists(userId)) return null; 8574 mFlags = flags; 8575 return super.queryIntent(intent, resolvedType, 8576 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8577 } 8578 8579 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8580 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8581 if (!sUserManager.exists(userId)) return null; 8582 if (packageActivities == null) { 8583 return null; 8584 } 8585 mFlags = flags; 8586 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8587 final int N = packageActivities.size(); 8588 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8589 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8590 8591 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8592 for (int i = 0; i < N; ++i) { 8593 intentFilters = packageActivities.get(i).intents; 8594 if (intentFilters != null && intentFilters.size() > 0) { 8595 PackageParser.ActivityIntentInfo[] array = 8596 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8597 intentFilters.toArray(array); 8598 listCut.add(array); 8599 } 8600 } 8601 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8602 } 8603 8604 public final void addActivity(PackageParser.Activity a, String type) { 8605 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8606 mActivities.put(a.getComponentName(), a); 8607 if (DEBUG_SHOW_INFO) 8608 Log.v( 8609 TAG, " " + type + " " + 8610 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8611 if (DEBUG_SHOW_INFO) 8612 Log.v(TAG, " Class=" + a.info.name); 8613 final int NI = a.intents.size(); 8614 for (int j=0; j<NI; j++) { 8615 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8616 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8617 intent.setPriority(0); 8618 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8619 + a.className + " with priority > 0, forcing to 0"); 8620 } 8621 if (DEBUG_SHOW_INFO) { 8622 Log.v(TAG, " IntentFilter:"); 8623 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8624 } 8625 if (!intent.debugCheck()) { 8626 Log.w(TAG, "==> For Activity " + a.info.name); 8627 } 8628 addFilter(intent); 8629 } 8630 } 8631 8632 public final void removeActivity(PackageParser.Activity a, String type) { 8633 mActivities.remove(a.getComponentName()); 8634 if (DEBUG_SHOW_INFO) { 8635 Log.v(TAG, " " + type + " " 8636 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8637 : a.info.name) + ":"); 8638 Log.v(TAG, " Class=" + a.info.name); 8639 } 8640 final int NI = a.intents.size(); 8641 for (int j=0; j<NI; j++) { 8642 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8643 if (DEBUG_SHOW_INFO) { 8644 Log.v(TAG, " IntentFilter:"); 8645 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8646 } 8647 removeFilter(intent); 8648 } 8649 } 8650 8651 @Override 8652 protected boolean allowFilterResult( 8653 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8654 ActivityInfo filterAi = filter.activity.info; 8655 for (int i=dest.size()-1; i>=0; i--) { 8656 ActivityInfo destAi = dest.get(i).activityInfo; 8657 if (destAi.name == filterAi.name 8658 && destAi.packageName == filterAi.packageName) { 8659 return false; 8660 } 8661 } 8662 return true; 8663 } 8664 8665 @Override 8666 protected ActivityIntentInfo[] newArray(int size) { 8667 return new ActivityIntentInfo[size]; 8668 } 8669 8670 @Override 8671 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8672 if (!sUserManager.exists(userId)) return true; 8673 PackageParser.Package p = filter.activity.owner; 8674 if (p != null) { 8675 PackageSetting ps = (PackageSetting)p.mExtras; 8676 if (ps != null) { 8677 // System apps are never considered stopped for purposes of 8678 // filtering, because there may be no way for the user to 8679 // actually re-launch them. 8680 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8681 && ps.getStopped(userId); 8682 } 8683 } 8684 return false; 8685 } 8686 8687 @Override 8688 protected boolean isPackageForFilter(String packageName, 8689 PackageParser.ActivityIntentInfo info) { 8690 return packageName.equals(info.activity.owner.packageName); 8691 } 8692 8693 @Override 8694 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8695 int match, int userId) { 8696 if (!sUserManager.exists(userId)) return null; 8697 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8698 return null; 8699 } 8700 final PackageParser.Activity activity = info.activity; 8701 if (mSafeMode && (activity.info.applicationInfo.flags 8702 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8703 return null; 8704 } 8705 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8706 if (ps == null) { 8707 return null; 8708 } 8709 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8710 ps.readUserState(userId), userId); 8711 if (ai == null) { 8712 return null; 8713 } 8714 final ResolveInfo res = new ResolveInfo(); 8715 res.activityInfo = ai; 8716 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8717 res.filter = info; 8718 } 8719 if (info != null) { 8720 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8721 } 8722 res.priority = info.getPriority(); 8723 res.preferredOrder = activity.owner.mPreferredOrder; 8724 //System.out.println("Result: " + res.activityInfo.className + 8725 // " = " + res.priority); 8726 res.match = match; 8727 res.isDefault = info.hasDefault; 8728 res.labelRes = info.labelRes; 8729 res.nonLocalizedLabel = info.nonLocalizedLabel; 8730 if (userNeedsBadging(userId)) { 8731 res.noResourceId = true; 8732 } else { 8733 res.icon = info.icon; 8734 } 8735 res.iconResourceId = info.icon; 8736 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8737 return res; 8738 } 8739 8740 @Override 8741 protected void sortResults(List<ResolveInfo> results) { 8742 Collections.sort(results, mResolvePrioritySorter); 8743 } 8744 8745 @Override 8746 protected void dumpFilter(PrintWriter out, String prefix, 8747 PackageParser.ActivityIntentInfo filter) { 8748 out.print(prefix); out.print( 8749 Integer.toHexString(System.identityHashCode(filter.activity))); 8750 out.print(' '); 8751 filter.activity.printComponentShortName(out); 8752 out.print(" filter "); 8753 out.println(Integer.toHexString(System.identityHashCode(filter))); 8754 } 8755 8756 @Override 8757 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8758 return filter.activity; 8759 } 8760 8761 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8762 PackageParser.Activity activity = (PackageParser.Activity)label; 8763 out.print(prefix); out.print( 8764 Integer.toHexString(System.identityHashCode(activity))); 8765 out.print(' '); 8766 activity.printComponentShortName(out); 8767 if (count > 1) { 8768 out.print(" ("); out.print(count); out.print(" filters)"); 8769 } 8770 out.println(); 8771 } 8772 8773// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8774// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8775// final List<ResolveInfo> retList = Lists.newArrayList(); 8776// while (i.hasNext()) { 8777// final ResolveInfo resolveInfo = i.next(); 8778// if (isEnabledLP(resolveInfo.activityInfo)) { 8779// retList.add(resolveInfo); 8780// } 8781// } 8782// return retList; 8783// } 8784 8785 // Keys are String (activity class name), values are Activity. 8786 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8787 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8788 private int mFlags; 8789 } 8790 8791 private final class ServiceIntentResolver 8792 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8793 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8794 boolean defaultOnly, int userId) { 8795 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8796 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8797 } 8798 8799 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8800 int userId) { 8801 if (!sUserManager.exists(userId)) return null; 8802 mFlags = flags; 8803 return super.queryIntent(intent, resolvedType, 8804 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8805 } 8806 8807 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8808 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8809 if (!sUserManager.exists(userId)) return null; 8810 if (packageServices == null) { 8811 return null; 8812 } 8813 mFlags = flags; 8814 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8815 final int N = packageServices.size(); 8816 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8817 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8818 8819 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8820 for (int i = 0; i < N; ++i) { 8821 intentFilters = packageServices.get(i).intents; 8822 if (intentFilters != null && intentFilters.size() > 0) { 8823 PackageParser.ServiceIntentInfo[] array = 8824 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8825 intentFilters.toArray(array); 8826 listCut.add(array); 8827 } 8828 } 8829 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8830 } 8831 8832 public final void addService(PackageParser.Service s) { 8833 mServices.put(s.getComponentName(), s); 8834 if (DEBUG_SHOW_INFO) { 8835 Log.v(TAG, " " 8836 + (s.info.nonLocalizedLabel != null 8837 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8838 Log.v(TAG, " Class=" + s.info.name); 8839 } 8840 final int NI = s.intents.size(); 8841 int j; 8842 for (j=0; j<NI; j++) { 8843 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8844 if (DEBUG_SHOW_INFO) { 8845 Log.v(TAG, " IntentFilter:"); 8846 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8847 } 8848 if (!intent.debugCheck()) { 8849 Log.w(TAG, "==> For Service " + s.info.name); 8850 } 8851 addFilter(intent); 8852 } 8853 } 8854 8855 public final void removeService(PackageParser.Service s) { 8856 mServices.remove(s.getComponentName()); 8857 if (DEBUG_SHOW_INFO) { 8858 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8859 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8860 Log.v(TAG, " Class=" + s.info.name); 8861 } 8862 final int NI = s.intents.size(); 8863 int j; 8864 for (j=0; j<NI; j++) { 8865 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8866 if (DEBUG_SHOW_INFO) { 8867 Log.v(TAG, " IntentFilter:"); 8868 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8869 } 8870 removeFilter(intent); 8871 } 8872 } 8873 8874 @Override 8875 protected boolean allowFilterResult( 8876 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 8877 ServiceInfo filterSi = filter.service.info; 8878 for (int i=dest.size()-1; i>=0; i--) { 8879 ServiceInfo destAi = dest.get(i).serviceInfo; 8880 if (destAi.name == filterSi.name 8881 && destAi.packageName == filterSi.packageName) { 8882 return false; 8883 } 8884 } 8885 return true; 8886 } 8887 8888 @Override 8889 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 8890 return new PackageParser.ServiceIntentInfo[size]; 8891 } 8892 8893 @Override 8894 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 8895 if (!sUserManager.exists(userId)) return true; 8896 PackageParser.Package p = filter.service.owner; 8897 if (p != null) { 8898 PackageSetting ps = (PackageSetting)p.mExtras; 8899 if (ps != null) { 8900 // System apps are never considered stopped for purposes of 8901 // filtering, because there may be no way for the user to 8902 // actually re-launch them. 8903 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 8904 && ps.getStopped(userId); 8905 } 8906 } 8907 return false; 8908 } 8909 8910 @Override 8911 protected boolean isPackageForFilter(String packageName, 8912 PackageParser.ServiceIntentInfo info) { 8913 return packageName.equals(info.service.owner.packageName); 8914 } 8915 8916 @Override 8917 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 8918 int match, int userId) { 8919 if (!sUserManager.exists(userId)) return null; 8920 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 8921 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 8922 return null; 8923 } 8924 final PackageParser.Service service = info.service; 8925 if (mSafeMode && (service.info.applicationInfo.flags 8926 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8927 return null; 8928 } 8929 PackageSetting ps = (PackageSetting) service.owner.mExtras; 8930 if (ps == null) { 8931 return null; 8932 } 8933 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 8934 ps.readUserState(userId), userId); 8935 if (si == null) { 8936 return null; 8937 } 8938 final ResolveInfo res = new ResolveInfo(); 8939 res.serviceInfo = si; 8940 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8941 res.filter = filter; 8942 } 8943 res.priority = info.getPriority(); 8944 res.preferredOrder = service.owner.mPreferredOrder; 8945 res.match = match; 8946 res.isDefault = info.hasDefault; 8947 res.labelRes = info.labelRes; 8948 res.nonLocalizedLabel = info.nonLocalizedLabel; 8949 res.icon = info.icon; 8950 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 8951 return res; 8952 } 8953 8954 @Override 8955 protected void sortResults(List<ResolveInfo> results) { 8956 Collections.sort(results, mResolvePrioritySorter); 8957 } 8958 8959 @Override 8960 protected void dumpFilter(PrintWriter out, String prefix, 8961 PackageParser.ServiceIntentInfo filter) { 8962 out.print(prefix); out.print( 8963 Integer.toHexString(System.identityHashCode(filter.service))); 8964 out.print(' '); 8965 filter.service.printComponentShortName(out); 8966 out.print(" filter "); 8967 out.println(Integer.toHexString(System.identityHashCode(filter))); 8968 } 8969 8970 @Override 8971 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 8972 return filter.service; 8973 } 8974 8975 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8976 PackageParser.Service service = (PackageParser.Service)label; 8977 out.print(prefix); out.print( 8978 Integer.toHexString(System.identityHashCode(service))); 8979 out.print(' '); 8980 service.printComponentShortName(out); 8981 if (count > 1) { 8982 out.print(" ("); out.print(count); out.print(" filters)"); 8983 } 8984 out.println(); 8985 } 8986 8987// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8988// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8989// final List<ResolveInfo> retList = Lists.newArrayList(); 8990// while (i.hasNext()) { 8991// final ResolveInfo resolveInfo = (ResolveInfo) i; 8992// if (isEnabledLP(resolveInfo.serviceInfo)) { 8993// retList.add(resolveInfo); 8994// } 8995// } 8996// return retList; 8997// } 8998 8999 // Keys are String (activity class name), values are Activity. 9000 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9001 = new ArrayMap<ComponentName, PackageParser.Service>(); 9002 private int mFlags; 9003 }; 9004 9005 private final class ProviderIntentResolver 9006 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9007 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9008 boolean defaultOnly, int userId) { 9009 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9010 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9011 } 9012 9013 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9014 int userId) { 9015 if (!sUserManager.exists(userId)) 9016 return null; 9017 mFlags = flags; 9018 return super.queryIntent(intent, resolvedType, 9019 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9020 } 9021 9022 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9023 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9024 if (!sUserManager.exists(userId)) 9025 return null; 9026 if (packageProviders == null) { 9027 return null; 9028 } 9029 mFlags = flags; 9030 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9031 final int N = packageProviders.size(); 9032 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9033 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9034 9035 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9036 for (int i = 0; i < N; ++i) { 9037 intentFilters = packageProviders.get(i).intents; 9038 if (intentFilters != null && intentFilters.size() > 0) { 9039 PackageParser.ProviderIntentInfo[] array = 9040 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9041 intentFilters.toArray(array); 9042 listCut.add(array); 9043 } 9044 } 9045 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9046 } 9047 9048 public final void addProvider(PackageParser.Provider p) { 9049 if (mProviders.containsKey(p.getComponentName())) { 9050 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9051 return; 9052 } 9053 9054 mProviders.put(p.getComponentName(), p); 9055 if (DEBUG_SHOW_INFO) { 9056 Log.v(TAG, " " 9057 + (p.info.nonLocalizedLabel != null 9058 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9059 Log.v(TAG, " Class=" + p.info.name); 9060 } 9061 final int NI = p.intents.size(); 9062 int j; 9063 for (j = 0; j < NI; j++) { 9064 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9065 if (DEBUG_SHOW_INFO) { 9066 Log.v(TAG, " IntentFilter:"); 9067 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9068 } 9069 if (!intent.debugCheck()) { 9070 Log.w(TAG, "==> For Provider " + p.info.name); 9071 } 9072 addFilter(intent); 9073 } 9074 } 9075 9076 public final void removeProvider(PackageParser.Provider p) { 9077 mProviders.remove(p.getComponentName()); 9078 if (DEBUG_SHOW_INFO) { 9079 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9080 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9081 Log.v(TAG, " Class=" + p.info.name); 9082 } 9083 final int NI = p.intents.size(); 9084 int j; 9085 for (j = 0; j < NI; j++) { 9086 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9087 if (DEBUG_SHOW_INFO) { 9088 Log.v(TAG, " IntentFilter:"); 9089 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9090 } 9091 removeFilter(intent); 9092 } 9093 } 9094 9095 @Override 9096 protected boolean allowFilterResult( 9097 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9098 ProviderInfo filterPi = filter.provider.info; 9099 for (int i = dest.size() - 1; i >= 0; i--) { 9100 ProviderInfo destPi = dest.get(i).providerInfo; 9101 if (destPi.name == filterPi.name 9102 && destPi.packageName == filterPi.packageName) { 9103 return false; 9104 } 9105 } 9106 return true; 9107 } 9108 9109 @Override 9110 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9111 return new PackageParser.ProviderIntentInfo[size]; 9112 } 9113 9114 @Override 9115 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9116 if (!sUserManager.exists(userId)) 9117 return true; 9118 PackageParser.Package p = filter.provider.owner; 9119 if (p != null) { 9120 PackageSetting ps = (PackageSetting) p.mExtras; 9121 if (ps != null) { 9122 // System apps are never considered stopped for purposes of 9123 // filtering, because there may be no way for the user to 9124 // actually re-launch them. 9125 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9126 && ps.getStopped(userId); 9127 } 9128 } 9129 return false; 9130 } 9131 9132 @Override 9133 protected boolean isPackageForFilter(String packageName, 9134 PackageParser.ProviderIntentInfo info) { 9135 return packageName.equals(info.provider.owner.packageName); 9136 } 9137 9138 @Override 9139 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9140 int match, int userId) { 9141 if (!sUserManager.exists(userId)) 9142 return null; 9143 final PackageParser.ProviderIntentInfo info = filter; 9144 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9145 return null; 9146 } 9147 final PackageParser.Provider provider = info.provider; 9148 if (mSafeMode && (provider.info.applicationInfo.flags 9149 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9150 return null; 9151 } 9152 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9153 if (ps == null) { 9154 return null; 9155 } 9156 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9157 ps.readUserState(userId), userId); 9158 if (pi == null) { 9159 return null; 9160 } 9161 final ResolveInfo res = new ResolveInfo(); 9162 res.providerInfo = pi; 9163 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9164 res.filter = filter; 9165 } 9166 res.priority = info.getPriority(); 9167 res.preferredOrder = provider.owner.mPreferredOrder; 9168 res.match = match; 9169 res.isDefault = info.hasDefault; 9170 res.labelRes = info.labelRes; 9171 res.nonLocalizedLabel = info.nonLocalizedLabel; 9172 res.icon = info.icon; 9173 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9174 return res; 9175 } 9176 9177 @Override 9178 protected void sortResults(List<ResolveInfo> results) { 9179 Collections.sort(results, mResolvePrioritySorter); 9180 } 9181 9182 @Override 9183 protected void dumpFilter(PrintWriter out, String prefix, 9184 PackageParser.ProviderIntentInfo filter) { 9185 out.print(prefix); 9186 out.print( 9187 Integer.toHexString(System.identityHashCode(filter.provider))); 9188 out.print(' '); 9189 filter.provider.printComponentShortName(out); 9190 out.print(" filter "); 9191 out.println(Integer.toHexString(System.identityHashCode(filter))); 9192 } 9193 9194 @Override 9195 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9196 return filter.provider; 9197 } 9198 9199 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9200 PackageParser.Provider provider = (PackageParser.Provider)label; 9201 out.print(prefix); out.print( 9202 Integer.toHexString(System.identityHashCode(provider))); 9203 out.print(' '); 9204 provider.printComponentShortName(out); 9205 if (count > 1) { 9206 out.print(" ("); out.print(count); out.print(" filters)"); 9207 } 9208 out.println(); 9209 } 9210 9211 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9212 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9213 private int mFlags; 9214 }; 9215 9216 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9217 new Comparator<ResolveInfo>() { 9218 public int compare(ResolveInfo r1, ResolveInfo r2) { 9219 int v1 = r1.priority; 9220 int v2 = r2.priority; 9221 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9222 if (v1 != v2) { 9223 return (v1 > v2) ? -1 : 1; 9224 } 9225 v1 = r1.preferredOrder; 9226 v2 = r2.preferredOrder; 9227 if (v1 != v2) { 9228 return (v1 > v2) ? -1 : 1; 9229 } 9230 if (r1.isDefault != r2.isDefault) { 9231 return r1.isDefault ? -1 : 1; 9232 } 9233 v1 = r1.match; 9234 v2 = r2.match; 9235 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9236 if (v1 != v2) { 9237 return (v1 > v2) ? -1 : 1; 9238 } 9239 if (r1.system != r2.system) { 9240 return r1.system ? -1 : 1; 9241 } 9242 return 0; 9243 } 9244 }; 9245 9246 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9247 new Comparator<ProviderInfo>() { 9248 public int compare(ProviderInfo p1, ProviderInfo p2) { 9249 final int v1 = p1.initOrder; 9250 final int v2 = p2.initOrder; 9251 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9252 } 9253 }; 9254 9255 final void sendPackageBroadcast(final String action, final String pkg, 9256 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9257 final int[] userIds) { 9258 mHandler.post(new Runnable() { 9259 @Override 9260 public void run() { 9261 try { 9262 final IActivityManager am = ActivityManagerNative.getDefault(); 9263 if (am == null) return; 9264 final int[] resolvedUserIds; 9265 if (userIds == null) { 9266 resolvedUserIds = am.getRunningUserIds(); 9267 } else { 9268 resolvedUserIds = userIds; 9269 } 9270 for (int id : resolvedUserIds) { 9271 final Intent intent = new Intent(action, 9272 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9273 if (extras != null) { 9274 intent.putExtras(extras); 9275 } 9276 if (targetPkg != null) { 9277 intent.setPackage(targetPkg); 9278 } 9279 // Modify the UID when posting to other users 9280 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9281 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9282 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9283 intent.putExtra(Intent.EXTRA_UID, uid); 9284 } 9285 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9286 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9287 if (DEBUG_BROADCASTS) { 9288 RuntimeException here = new RuntimeException("here"); 9289 here.fillInStackTrace(); 9290 Slog.d(TAG, "Sending to user " + id + ": " 9291 + intent.toShortString(false, true, false, false) 9292 + " " + intent.getExtras(), here); 9293 } 9294 am.broadcastIntent(null, intent, null, finishedReceiver, 9295 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9296 null, finishedReceiver != null, false, id); 9297 } 9298 } catch (RemoteException ex) { 9299 } 9300 } 9301 }); 9302 } 9303 9304 /** 9305 * Check if the external storage media is available. This is true if there 9306 * is a mounted external storage medium or if the external storage is 9307 * emulated. 9308 */ 9309 private boolean isExternalMediaAvailable() { 9310 return mMediaMounted || Environment.isExternalStorageEmulated(); 9311 } 9312 9313 @Override 9314 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9315 // writer 9316 synchronized (mPackages) { 9317 if (!isExternalMediaAvailable()) { 9318 // If the external storage is no longer mounted at this point, 9319 // the caller may not have been able to delete all of this 9320 // packages files and can not delete any more. Bail. 9321 return null; 9322 } 9323 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9324 if (lastPackage != null) { 9325 pkgs.remove(lastPackage); 9326 } 9327 if (pkgs.size() > 0) { 9328 return pkgs.get(0); 9329 } 9330 } 9331 return null; 9332 } 9333 9334 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9335 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9336 userId, andCode ? 1 : 0, packageName); 9337 if (mSystemReady) { 9338 msg.sendToTarget(); 9339 } else { 9340 if (mPostSystemReadyMessages == null) { 9341 mPostSystemReadyMessages = new ArrayList<>(); 9342 } 9343 mPostSystemReadyMessages.add(msg); 9344 } 9345 } 9346 9347 void startCleaningPackages() { 9348 // reader 9349 synchronized (mPackages) { 9350 if (!isExternalMediaAvailable()) { 9351 return; 9352 } 9353 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9354 return; 9355 } 9356 } 9357 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9358 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9359 IActivityManager am = ActivityManagerNative.getDefault(); 9360 if (am != null) { 9361 try { 9362 am.startService(null, intent, null, mContext.getOpPackageName(), 9363 UserHandle.USER_OWNER); 9364 } catch (RemoteException e) { 9365 } 9366 } 9367 } 9368 9369 @Override 9370 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9371 int installFlags, String installerPackageName, VerificationParams verificationParams, 9372 String packageAbiOverride) { 9373 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9374 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9375 } 9376 9377 @Override 9378 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9379 int installFlags, String installerPackageName, VerificationParams verificationParams, 9380 String packageAbiOverride, int userId) { 9381 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9382 9383 final int callingUid = Binder.getCallingUid(); 9384 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9385 9386 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9387 try { 9388 if (observer != null) { 9389 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9390 } 9391 } catch (RemoteException re) { 9392 } 9393 return; 9394 } 9395 9396 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9397 installFlags |= PackageManager.INSTALL_FROM_ADB; 9398 9399 } else { 9400 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9401 // about installerPackageName. 9402 9403 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9404 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9405 } 9406 9407 UserHandle user; 9408 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9409 user = UserHandle.ALL; 9410 } else { 9411 user = new UserHandle(userId); 9412 } 9413 9414 // Only system components can circumvent runtime permissions when installing. 9415 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9416 && mContext.checkCallingOrSelfPermission(Manifest.permission 9417 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9418 throw new SecurityException("You need the " 9419 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9420 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9421 } 9422 9423 verificationParams.setInstallerUid(callingUid); 9424 9425 final File originFile = new File(originPath); 9426 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9427 9428 final Message msg = mHandler.obtainMessage(INIT_COPY); 9429 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9430 null, verificationParams, user, packageAbiOverride); 9431 mHandler.sendMessage(msg); 9432 } 9433 9434 void installStage(String packageName, File stagedDir, String stagedCid, 9435 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9436 String installerPackageName, int installerUid, UserHandle user) { 9437 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9438 params.referrerUri, installerUid, null); 9439 verifParams.setInstallerUid(installerUid); 9440 9441 final OriginInfo origin; 9442 if (stagedDir != null) { 9443 origin = OriginInfo.fromStagedFile(stagedDir); 9444 } else { 9445 origin = OriginInfo.fromStagedContainer(stagedCid); 9446 } 9447 9448 final Message msg = mHandler.obtainMessage(INIT_COPY); 9449 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9450 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride); 9451 mHandler.sendMessage(msg); 9452 } 9453 9454 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9455 Bundle extras = new Bundle(1); 9456 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9457 9458 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9459 packageName, extras, null, null, new int[] {userId}); 9460 try { 9461 IActivityManager am = ActivityManagerNative.getDefault(); 9462 final boolean isSystem = 9463 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9464 if (isSystem && am.isUserRunning(userId, false)) { 9465 // The just-installed/enabled app is bundled on the system, so presumed 9466 // to be able to run automatically without needing an explicit launch. 9467 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9468 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9469 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9470 .setPackage(packageName); 9471 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9472 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9473 } 9474 } catch (RemoteException e) { 9475 // shouldn't happen 9476 Slog.w(TAG, "Unable to bootstrap installed package", e); 9477 } 9478 } 9479 9480 @Override 9481 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9482 int userId) { 9483 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9484 PackageSetting pkgSetting; 9485 final int uid = Binder.getCallingUid(); 9486 enforceCrossUserPermission(uid, userId, true, true, 9487 "setApplicationHiddenSetting for user " + userId); 9488 9489 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9490 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9491 return false; 9492 } 9493 9494 long callingId = Binder.clearCallingIdentity(); 9495 try { 9496 boolean sendAdded = false; 9497 boolean sendRemoved = false; 9498 // writer 9499 synchronized (mPackages) { 9500 pkgSetting = mSettings.mPackages.get(packageName); 9501 if (pkgSetting == null) { 9502 return false; 9503 } 9504 if (pkgSetting.getHidden(userId) != hidden) { 9505 pkgSetting.setHidden(hidden, userId); 9506 mSettings.writePackageRestrictionsLPr(userId); 9507 if (hidden) { 9508 sendRemoved = true; 9509 } else { 9510 sendAdded = true; 9511 } 9512 } 9513 } 9514 if (sendAdded) { 9515 sendPackageAddedForUser(packageName, pkgSetting, userId); 9516 return true; 9517 } 9518 if (sendRemoved) { 9519 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9520 "hiding pkg"); 9521 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9522 } 9523 } finally { 9524 Binder.restoreCallingIdentity(callingId); 9525 } 9526 return false; 9527 } 9528 9529 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9530 int userId) { 9531 final PackageRemovedInfo info = new PackageRemovedInfo(); 9532 info.removedPackage = packageName; 9533 info.removedUsers = new int[] {userId}; 9534 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9535 info.sendBroadcast(false, false, false); 9536 } 9537 9538 /** 9539 * Returns true if application is not found or there was an error. Otherwise it returns 9540 * the hidden state of the package for the given user. 9541 */ 9542 @Override 9543 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9544 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9545 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9546 false, "getApplicationHidden for user " + userId); 9547 PackageSetting pkgSetting; 9548 long callingId = Binder.clearCallingIdentity(); 9549 try { 9550 // writer 9551 synchronized (mPackages) { 9552 pkgSetting = mSettings.mPackages.get(packageName); 9553 if (pkgSetting == null) { 9554 return true; 9555 } 9556 return pkgSetting.getHidden(userId); 9557 } 9558 } finally { 9559 Binder.restoreCallingIdentity(callingId); 9560 } 9561 } 9562 9563 /** 9564 * @hide 9565 */ 9566 @Override 9567 public int installExistingPackageAsUser(String packageName, int userId) { 9568 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9569 null); 9570 PackageSetting pkgSetting; 9571 final int uid = Binder.getCallingUid(); 9572 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9573 + userId); 9574 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9575 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9576 } 9577 9578 long callingId = Binder.clearCallingIdentity(); 9579 try { 9580 boolean sendAdded = false; 9581 9582 // writer 9583 synchronized (mPackages) { 9584 pkgSetting = mSettings.mPackages.get(packageName); 9585 if (pkgSetting == null) { 9586 return PackageManager.INSTALL_FAILED_INVALID_URI; 9587 } 9588 if (!pkgSetting.getInstalled(userId)) { 9589 pkgSetting.setInstalled(true, userId); 9590 pkgSetting.setHidden(false, userId); 9591 mSettings.writePackageRestrictionsLPr(userId); 9592 sendAdded = true; 9593 } 9594 } 9595 9596 if (sendAdded) { 9597 sendPackageAddedForUser(packageName, pkgSetting, userId); 9598 } 9599 } finally { 9600 Binder.restoreCallingIdentity(callingId); 9601 } 9602 9603 return PackageManager.INSTALL_SUCCEEDED; 9604 } 9605 9606 boolean isUserRestricted(int userId, String restrictionKey) { 9607 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9608 if (restrictions.getBoolean(restrictionKey, false)) { 9609 Log.w(TAG, "User is restricted: " + restrictionKey); 9610 return true; 9611 } 9612 return false; 9613 } 9614 9615 @Override 9616 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9617 mContext.enforceCallingOrSelfPermission( 9618 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9619 "Only package verification agents can verify applications"); 9620 9621 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9622 final PackageVerificationResponse response = new PackageVerificationResponse( 9623 verificationCode, Binder.getCallingUid()); 9624 msg.arg1 = id; 9625 msg.obj = response; 9626 mHandler.sendMessage(msg); 9627 } 9628 9629 @Override 9630 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9631 long millisecondsToDelay) { 9632 mContext.enforceCallingOrSelfPermission( 9633 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9634 "Only package verification agents can extend verification timeouts"); 9635 9636 final PackageVerificationState state = mPendingVerification.get(id); 9637 final PackageVerificationResponse response = new PackageVerificationResponse( 9638 verificationCodeAtTimeout, Binder.getCallingUid()); 9639 9640 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9641 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9642 } 9643 if (millisecondsToDelay < 0) { 9644 millisecondsToDelay = 0; 9645 } 9646 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9647 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9648 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9649 } 9650 9651 if ((state != null) && !state.timeoutExtended()) { 9652 state.extendTimeout(); 9653 9654 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9655 msg.arg1 = id; 9656 msg.obj = response; 9657 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9658 } 9659 } 9660 9661 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9662 int verificationCode, UserHandle user) { 9663 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9664 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9665 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9666 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9667 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9668 9669 mContext.sendBroadcastAsUser(intent, user, 9670 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9671 } 9672 9673 private ComponentName matchComponentForVerifier(String packageName, 9674 List<ResolveInfo> receivers) { 9675 ActivityInfo targetReceiver = null; 9676 9677 final int NR = receivers.size(); 9678 for (int i = 0; i < NR; i++) { 9679 final ResolveInfo info = receivers.get(i); 9680 if (info.activityInfo == null) { 9681 continue; 9682 } 9683 9684 if (packageName.equals(info.activityInfo.packageName)) { 9685 targetReceiver = info.activityInfo; 9686 break; 9687 } 9688 } 9689 9690 if (targetReceiver == null) { 9691 return null; 9692 } 9693 9694 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9695 } 9696 9697 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9698 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9699 if (pkgInfo.verifiers.length == 0) { 9700 return null; 9701 } 9702 9703 final int N = pkgInfo.verifiers.length; 9704 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9705 for (int i = 0; i < N; i++) { 9706 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9707 9708 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9709 receivers); 9710 if (comp == null) { 9711 continue; 9712 } 9713 9714 final int verifierUid = getUidForVerifier(verifierInfo); 9715 if (verifierUid == -1) { 9716 continue; 9717 } 9718 9719 if (DEBUG_VERIFY) { 9720 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9721 + " with the correct signature"); 9722 } 9723 sufficientVerifiers.add(comp); 9724 verificationState.addSufficientVerifier(verifierUid); 9725 } 9726 9727 return sufficientVerifiers; 9728 } 9729 9730 private int getUidForVerifier(VerifierInfo verifierInfo) { 9731 synchronized (mPackages) { 9732 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9733 if (pkg == null) { 9734 return -1; 9735 } else if (pkg.mSignatures.length != 1) { 9736 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9737 + " has more than one signature; ignoring"); 9738 return -1; 9739 } 9740 9741 /* 9742 * If the public key of the package's signature does not match 9743 * our expected public key, then this is a different package and 9744 * we should skip. 9745 */ 9746 9747 final byte[] expectedPublicKey; 9748 try { 9749 final Signature verifierSig = pkg.mSignatures[0]; 9750 final PublicKey publicKey = verifierSig.getPublicKey(); 9751 expectedPublicKey = publicKey.getEncoded(); 9752 } catch (CertificateException e) { 9753 return -1; 9754 } 9755 9756 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9757 9758 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9759 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9760 + " does not have the expected public key; ignoring"); 9761 return -1; 9762 } 9763 9764 return pkg.applicationInfo.uid; 9765 } 9766 } 9767 9768 @Override 9769 public void finishPackageInstall(int token) { 9770 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9771 9772 if (DEBUG_INSTALL) { 9773 Slog.v(TAG, "BM finishing package install for " + token); 9774 } 9775 9776 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9777 mHandler.sendMessage(msg); 9778 } 9779 9780 /** 9781 * Get the verification agent timeout. 9782 * 9783 * @return verification timeout in milliseconds 9784 */ 9785 private long getVerificationTimeout() { 9786 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9787 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9788 DEFAULT_VERIFICATION_TIMEOUT); 9789 } 9790 9791 /** 9792 * Get the default verification agent response code. 9793 * 9794 * @return default verification response code 9795 */ 9796 private int getDefaultVerificationResponse() { 9797 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9798 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9799 DEFAULT_VERIFICATION_RESPONSE); 9800 } 9801 9802 /** 9803 * Check whether or not package verification has been enabled. 9804 * 9805 * @return true if verification should be performed 9806 */ 9807 private boolean isVerificationEnabled(int userId, int installFlags) { 9808 if (!DEFAULT_VERIFY_ENABLE) { 9809 return false; 9810 } 9811 9812 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9813 9814 // Check if installing from ADB 9815 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9816 // Do not run verification in a test harness environment 9817 if (ActivityManager.isRunningInTestHarness()) { 9818 return false; 9819 } 9820 if (ensureVerifyAppsEnabled) { 9821 return true; 9822 } 9823 // Check if the developer does not want package verification for ADB installs 9824 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9825 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9826 return false; 9827 } 9828 } 9829 9830 if (ensureVerifyAppsEnabled) { 9831 return true; 9832 } 9833 9834 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9835 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9836 } 9837 9838 @Override 9839 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9840 throws RemoteException { 9841 mContext.enforceCallingOrSelfPermission( 9842 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9843 "Only intentfilter verification agents can verify applications"); 9844 9845 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9846 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9847 Binder.getCallingUid(), verificationCode, failedDomains); 9848 msg.arg1 = id; 9849 msg.obj = response; 9850 mHandler.sendMessage(msg); 9851 } 9852 9853 @Override 9854 public int getIntentVerificationStatus(String packageName, int userId) { 9855 synchronized (mPackages) { 9856 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9857 } 9858 } 9859 9860 @Override 9861 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 9862 mContext.enforceCallingOrSelfPermission( 9863 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9864 9865 boolean result = false; 9866 synchronized (mPackages) { 9867 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 9868 } 9869 if (result) { 9870 scheduleWritePackageRestrictionsLocked(userId); 9871 } 9872 return result; 9873 } 9874 9875 @Override 9876 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 9877 synchronized (mPackages) { 9878 return mSettings.getIntentFilterVerificationsLPr(packageName); 9879 } 9880 } 9881 9882 @Override 9883 public List<IntentFilter> getAllIntentFilters(String packageName) { 9884 if (TextUtils.isEmpty(packageName)) { 9885 return Collections.<IntentFilter>emptyList(); 9886 } 9887 synchronized (mPackages) { 9888 PackageParser.Package pkg = mPackages.get(packageName); 9889 if (pkg == null || pkg.activities == null) { 9890 return Collections.<IntentFilter>emptyList(); 9891 } 9892 final int count = pkg.activities.size(); 9893 ArrayList<IntentFilter> result = new ArrayList<>(); 9894 for (int n=0; n<count; n++) { 9895 PackageParser.Activity activity = pkg.activities.get(n); 9896 if (activity.intents != null || activity.intents.size() > 0) { 9897 result.addAll(activity.intents); 9898 } 9899 } 9900 return result; 9901 } 9902 } 9903 9904 @Override 9905 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 9906 mContext.enforceCallingOrSelfPermission( 9907 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9908 9909 synchronized (mPackages) { 9910 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 9911 if (packageName != null) { 9912 result |= updateIntentVerificationStatus(packageName, 9913 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 9914 UserHandle.myUserId()); 9915 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 9916 packageName, userId); 9917 } 9918 return result; 9919 } 9920 } 9921 9922 @Override 9923 public String getDefaultBrowserPackageName(int userId) { 9924 synchronized (mPackages) { 9925 return mSettings.getDefaultBrowserPackageNameLPw(userId); 9926 } 9927 } 9928 9929 /** 9930 * Get the "allow unknown sources" setting. 9931 * 9932 * @return the current "allow unknown sources" setting 9933 */ 9934 private int getUnknownSourcesSettings() { 9935 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9936 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 9937 -1); 9938 } 9939 9940 @Override 9941 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 9942 final int uid = Binder.getCallingUid(); 9943 // writer 9944 synchronized (mPackages) { 9945 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 9946 if (targetPackageSetting == null) { 9947 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 9948 } 9949 9950 PackageSetting installerPackageSetting; 9951 if (installerPackageName != null) { 9952 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 9953 if (installerPackageSetting == null) { 9954 throw new IllegalArgumentException("Unknown installer package: " 9955 + installerPackageName); 9956 } 9957 } else { 9958 installerPackageSetting = null; 9959 } 9960 9961 Signature[] callerSignature; 9962 Object obj = mSettings.getUserIdLPr(uid); 9963 if (obj != null) { 9964 if (obj instanceof SharedUserSetting) { 9965 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 9966 } else if (obj instanceof PackageSetting) { 9967 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 9968 } else { 9969 throw new SecurityException("Bad object " + obj + " for uid " + uid); 9970 } 9971 } else { 9972 throw new SecurityException("Unknown calling uid " + uid); 9973 } 9974 9975 // Verify: can't set installerPackageName to a package that is 9976 // not signed with the same cert as the caller. 9977 if (installerPackageSetting != null) { 9978 if (compareSignatures(callerSignature, 9979 installerPackageSetting.signatures.mSignatures) 9980 != PackageManager.SIGNATURE_MATCH) { 9981 throw new SecurityException( 9982 "Caller does not have same cert as new installer package " 9983 + installerPackageName); 9984 } 9985 } 9986 9987 // Verify: if target already has an installer package, it must 9988 // be signed with the same cert as the caller. 9989 if (targetPackageSetting.installerPackageName != null) { 9990 PackageSetting setting = mSettings.mPackages.get( 9991 targetPackageSetting.installerPackageName); 9992 // If the currently set package isn't valid, then it's always 9993 // okay to change it. 9994 if (setting != null) { 9995 if (compareSignatures(callerSignature, 9996 setting.signatures.mSignatures) 9997 != PackageManager.SIGNATURE_MATCH) { 9998 throw new SecurityException( 9999 "Caller does not have same cert as old installer package " 10000 + targetPackageSetting.installerPackageName); 10001 } 10002 } 10003 } 10004 10005 // Okay! 10006 targetPackageSetting.installerPackageName = installerPackageName; 10007 scheduleWriteSettingsLocked(); 10008 } 10009 } 10010 10011 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10012 // Queue up an async operation since the package installation may take a little while. 10013 mHandler.post(new Runnable() { 10014 public void run() { 10015 mHandler.removeCallbacks(this); 10016 // Result object to be returned 10017 PackageInstalledInfo res = new PackageInstalledInfo(); 10018 res.returnCode = currentStatus; 10019 res.uid = -1; 10020 res.pkg = null; 10021 res.removedInfo = new PackageRemovedInfo(); 10022 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10023 args.doPreInstall(res.returnCode); 10024 synchronized (mInstallLock) { 10025 installPackageLI(args, res); 10026 } 10027 args.doPostInstall(res.returnCode, res.uid); 10028 } 10029 10030 // A restore should be performed at this point if (a) the install 10031 // succeeded, (b) the operation is not an update, and (c) the new 10032 // package has not opted out of backup participation. 10033 final boolean update = res.removedInfo.removedPackage != null; 10034 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10035 boolean doRestore = !update 10036 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10037 10038 // Set up the post-install work request bookkeeping. This will be used 10039 // and cleaned up by the post-install event handling regardless of whether 10040 // there's a restore pass performed. Token values are >= 1. 10041 int token; 10042 if (mNextInstallToken < 0) mNextInstallToken = 1; 10043 token = mNextInstallToken++; 10044 10045 PostInstallData data = new PostInstallData(args, res); 10046 mRunningInstalls.put(token, data); 10047 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10048 10049 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10050 // Pass responsibility to the Backup Manager. It will perform a 10051 // restore if appropriate, then pass responsibility back to the 10052 // Package Manager to run the post-install observer callbacks 10053 // and broadcasts. 10054 IBackupManager bm = IBackupManager.Stub.asInterface( 10055 ServiceManager.getService(Context.BACKUP_SERVICE)); 10056 if (bm != null) { 10057 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10058 + " to BM for possible restore"); 10059 try { 10060 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10061 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10062 } else { 10063 doRestore = false; 10064 } 10065 } catch (RemoteException e) { 10066 // can't happen; the backup manager is local 10067 } catch (Exception e) { 10068 Slog.e(TAG, "Exception trying to enqueue restore", e); 10069 doRestore = false; 10070 } 10071 } else { 10072 Slog.e(TAG, "Backup Manager not found!"); 10073 doRestore = false; 10074 } 10075 } 10076 10077 if (!doRestore) { 10078 // No restore possible, or the Backup Manager was mysteriously not 10079 // available -- just fire the post-install work request directly. 10080 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10081 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10082 mHandler.sendMessage(msg); 10083 } 10084 } 10085 }); 10086 } 10087 10088 private abstract class HandlerParams { 10089 private static final int MAX_RETRIES = 4; 10090 10091 /** 10092 * Number of times startCopy() has been attempted and had a non-fatal 10093 * error. 10094 */ 10095 private int mRetries = 0; 10096 10097 /** User handle for the user requesting the information or installation. */ 10098 private final UserHandle mUser; 10099 10100 HandlerParams(UserHandle user) { 10101 mUser = user; 10102 } 10103 10104 UserHandle getUser() { 10105 return mUser; 10106 } 10107 10108 final boolean startCopy() { 10109 boolean res; 10110 try { 10111 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10112 10113 if (++mRetries > MAX_RETRIES) { 10114 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10115 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10116 handleServiceError(); 10117 return false; 10118 } else { 10119 handleStartCopy(); 10120 res = true; 10121 } 10122 } catch (RemoteException e) { 10123 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10124 mHandler.sendEmptyMessage(MCS_RECONNECT); 10125 res = false; 10126 } 10127 handleReturnCode(); 10128 return res; 10129 } 10130 10131 final void serviceError() { 10132 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10133 handleServiceError(); 10134 handleReturnCode(); 10135 } 10136 10137 abstract void handleStartCopy() throws RemoteException; 10138 abstract void handleServiceError(); 10139 abstract void handleReturnCode(); 10140 } 10141 10142 class MeasureParams extends HandlerParams { 10143 private final PackageStats mStats; 10144 private boolean mSuccess; 10145 10146 private final IPackageStatsObserver mObserver; 10147 10148 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10149 super(new UserHandle(stats.userHandle)); 10150 mObserver = observer; 10151 mStats = stats; 10152 } 10153 10154 @Override 10155 public String toString() { 10156 return "MeasureParams{" 10157 + Integer.toHexString(System.identityHashCode(this)) 10158 + " " + mStats.packageName + "}"; 10159 } 10160 10161 @Override 10162 void handleStartCopy() throws RemoteException { 10163 synchronized (mInstallLock) { 10164 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10165 } 10166 10167 if (mSuccess) { 10168 final boolean mounted; 10169 if (Environment.isExternalStorageEmulated()) { 10170 mounted = true; 10171 } else { 10172 final String status = Environment.getExternalStorageState(); 10173 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10174 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10175 } 10176 10177 if (mounted) { 10178 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10179 10180 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10181 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10182 10183 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10184 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10185 10186 // Always subtract cache size, since it's a subdirectory 10187 mStats.externalDataSize -= mStats.externalCacheSize; 10188 10189 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10190 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10191 10192 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10193 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10194 } 10195 } 10196 } 10197 10198 @Override 10199 void handleReturnCode() { 10200 if (mObserver != null) { 10201 try { 10202 mObserver.onGetStatsCompleted(mStats, mSuccess); 10203 } catch (RemoteException e) { 10204 Slog.i(TAG, "Observer no longer exists."); 10205 } 10206 } 10207 } 10208 10209 @Override 10210 void handleServiceError() { 10211 Slog.e(TAG, "Could not measure application " + mStats.packageName 10212 + " external storage"); 10213 } 10214 } 10215 10216 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10217 throws RemoteException { 10218 long result = 0; 10219 for (File path : paths) { 10220 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10221 } 10222 return result; 10223 } 10224 10225 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10226 for (File path : paths) { 10227 try { 10228 mcs.clearDirectory(path.getAbsolutePath()); 10229 } catch (RemoteException e) { 10230 } 10231 } 10232 } 10233 10234 static class OriginInfo { 10235 /** 10236 * Location where install is coming from, before it has been 10237 * copied/renamed into place. This could be a single monolithic APK 10238 * file, or a cluster directory. This location may be untrusted. 10239 */ 10240 final File file; 10241 final String cid; 10242 10243 /** 10244 * Flag indicating that {@link #file} or {@link #cid} has already been 10245 * staged, meaning downstream users don't need to defensively copy the 10246 * contents. 10247 */ 10248 final boolean staged; 10249 10250 /** 10251 * Flag indicating that {@link #file} or {@link #cid} is an already 10252 * installed app that is being moved. 10253 */ 10254 final boolean existing; 10255 10256 final String resolvedPath; 10257 final File resolvedFile; 10258 10259 static OriginInfo fromNothing() { 10260 return new OriginInfo(null, null, false, false); 10261 } 10262 10263 static OriginInfo fromUntrustedFile(File file) { 10264 return new OriginInfo(file, null, false, false); 10265 } 10266 10267 static OriginInfo fromExistingFile(File file) { 10268 return new OriginInfo(file, null, false, true); 10269 } 10270 10271 static OriginInfo fromStagedFile(File file) { 10272 return new OriginInfo(file, null, true, false); 10273 } 10274 10275 static OriginInfo fromStagedContainer(String cid) { 10276 return new OriginInfo(null, cid, true, false); 10277 } 10278 10279 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10280 this.file = file; 10281 this.cid = cid; 10282 this.staged = staged; 10283 this.existing = existing; 10284 10285 if (cid != null) { 10286 resolvedPath = PackageHelper.getSdDir(cid); 10287 resolvedFile = new File(resolvedPath); 10288 } else if (file != null) { 10289 resolvedPath = file.getAbsolutePath(); 10290 resolvedFile = file; 10291 } else { 10292 resolvedPath = null; 10293 resolvedFile = null; 10294 } 10295 } 10296 } 10297 10298 class MoveInfo { 10299 final int moveId; 10300 final String fromUuid; 10301 final String toUuid; 10302 final String packageName; 10303 final String dataAppName; 10304 final int appId; 10305 final String seinfo; 10306 10307 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10308 String dataAppName, int appId, String seinfo) { 10309 this.moveId = moveId; 10310 this.fromUuid = fromUuid; 10311 this.toUuid = toUuid; 10312 this.packageName = packageName; 10313 this.dataAppName = dataAppName; 10314 this.appId = appId; 10315 this.seinfo = seinfo; 10316 } 10317 } 10318 10319 class InstallParams extends HandlerParams { 10320 final OriginInfo origin; 10321 final MoveInfo move; 10322 final IPackageInstallObserver2 observer; 10323 int installFlags; 10324 final String installerPackageName; 10325 final String volumeUuid; 10326 final VerificationParams verificationParams; 10327 private InstallArgs mArgs; 10328 private int mRet; 10329 final String packageAbiOverride; 10330 10331 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10332 int installFlags, String installerPackageName, String volumeUuid, 10333 VerificationParams verificationParams, UserHandle user, String packageAbiOverride) { 10334 super(user); 10335 this.origin = origin; 10336 this.move = move; 10337 this.observer = observer; 10338 this.installFlags = installFlags; 10339 this.installerPackageName = installerPackageName; 10340 this.volumeUuid = volumeUuid; 10341 this.verificationParams = verificationParams; 10342 this.packageAbiOverride = packageAbiOverride; 10343 } 10344 10345 @Override 10346 public String toString() { 10347 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10348 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10349 } 10350 10351 public ManifestDigest getManifestDigest() { 10352 if (verificationParams == null) { 10353 return null; 10354 } 10355 return verificationParams.getManifestDigest(); 10356 } 10357 10358 private int installLocationPolicy(PackageInfoLite pkgLite) { 10359 String packageName = pkgLite.packageName; 10360 int installLocation = pkgLite.installLocation; 10361 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10362 // reader 10363 synchronized (mPackages) { 10364 PackageParser.Package pkg = mPackages.get(packageName); 10365 if (pkg != null) { 10366 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10367 // Check for downgrading. 10368 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10369 try { 10370 checkDowngrade(pkg, pkgLite); 10371 } catch (PackageManagerException e) { 10372 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10373 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10374 } 10375 } 10376 // Check for updated system application. 10377 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10378 if (onSd) { 10379 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10380 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10381 } 10382 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10383 } else { 10384 if (onSd) { 10385 // Install flag overrides everything. 10386 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10387 } 10388 // If current upgrade specifies particular preference 10389 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10390 // Application explicitly specified internal. 10391 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10392 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10393 // App explictly prefers external. Let policy decide 10394 } else { 10395 // Prefer previous location 10396 if (isExternal(pkg)) { 10397 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10398 } 10399 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10400 } 10401 } 10402 } else { 10403 // Invalid install. Return error code 10404 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10405 } 10406 } 10407 } 10408 // All the special cases have been taken care of. 10409 // Return result based on recommended install location. 10410 if (onSd) { 10411 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10412 } 10413 return pkgLite.recommendedInstallLocation; 10414 } 10415 10416 /* 10417 * Invoke remote method to get package information and install 10418 * location values. Override install location based on default 10419 * policy if needed and then create install arguments based 10420 * on the install location. 10421 */ 10422 public void handleStartCopy() throws RemoteException { 10423 int ret = PackageManager.INSTALL_SUCCEEDED; 10424 10425 // If we're already staged, we've firmly committed to an install location 10426 if (origin.staged) { 10427 if (origin.file != null) { 10428 installFlags |= PackageManager.INSTALL_INTERNAL; 10429 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10430 } else if (origin.cid != null) { 10431 installFlags |= PackageManager.INSTALL_EXTERNAL; 10432 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10433 } else { 10434 throw new IllegalStateException("Invalid stage location"); 10435 } 10436 } 10437 10438 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10439 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10440 10441 PackageInfoLite pkgLite = null; 10442 10443 if (onInt && onSd) { 10444 // Check if both bits are set. 10445 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10446 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10447 } else { 10448 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10449 packageAbiOverride); 10450 10451 /* 10452 * If we have too little free space, try to free cache 10453 * before giving up. 10454 */ 10455 if (!origin.staged && pkgLite.recommendedInstallLocation 10456 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10457 // TODO: focus freeing disk space on the target device 10458 final StorageManager storage = StorageManager.from(mContext); 10459 final long lowThreshold = storage.getStorageLowBytes( 10460 Environment.getDataDirectory()); 10461 10462 final long sizeBytes = mContainerService.calculateInstalledSize( 10463 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10464 10465 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10466 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10467 installFlags, packageAbiOverride); 10468 } 10469 10470 /* 10471 * The cache free must have deleted the file we 10472 * downloaded to install. 10473 * 10474 * TODO: fix the "freeCache" call to not delete 10475 * the file we care about. 10476 */ 10477 if (pkgLite.recommendedInstallLocation 10478 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10479 pkgLite.recommendedInstallLocation 10480 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10481 } 10482 } 10483 } 10484 10485 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10486 int loc = pkgLite.recommendedInstallLocation; 10487 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10488 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10489 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10490 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10491 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10492 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10493 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10494 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10495 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10496 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10497 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10498 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10499 } else { 10500 // Override with defaults if needed. 10501 loc = installLocationPolicy(pkgLite); 10502 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10503 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10504 } else if (!onSd && !onInt) { 10505 // Override install location with flags 10506 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10507 // Set the flag to install on external media. 10508 installFlags |= PackageManager.INSTALL_EXTERNAL; 10509 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10510 } else { 10511 // Make sure the flag for installing on external 10512 // media is unset 10513 installFlags |= PackageManager.INSTALL_INTERNAL; 10514 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10515 } 10516 } 10517 } 10518 } 10519 10520 final InstallArgs args = createInstallArgs(this); 10521 mArgs = args; 10522 10523 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10524 /* 10525 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10526 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10527 */ 10528 int userIdentifier = getUser().getIdentifier(); 10529 if (userIdentifier == UserHandle.USER_ALL 10530 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10531 userIdentifier = UserHandle.USER_OWNER; 10532 } 10533 10534 /* 10535 * Determine if we have any installed package verifiers. If we 10536 * do, then we'll defer to them to verify the packages. 10537 */ 10538 final int requiredUid = mRequiredVerifierPackage == null ? -1 10539 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10540 if (!origin.existing && requiredUid != -1 10541 && isVerificationEnabled(userIdentifier, installFlags)) { 10542 final Intent verification = new Intent( 10543 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10544 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10545 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10546 PACKAGE_MIME_TYPE); 10547 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10548 10549 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10550 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10551 0 /* TODO: Which userId? */); 10552 10553 if (DEBUG_VERIFY) { 10554 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10555 + verification.toString() + " with " + pkgLite.verifiers.length 10556 + " optional verifiers"); 10557 } 10558 10559 final int verificationId = mPendingVerificationToken++; 10560 10561 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10562 10563 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10564 installerPackageName); 10565 10566 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10567 installFlags); 10568 10569 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10570 pkgLite.packageName); 10571 10572 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10573 pkgLite.versionCode); 10574 10575 if (verificationParams != null) { 10576 if (verificationParams.getVerificationURI() != null) { 10577 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10578 verificationParams.getVerificationURI()); 10579 } 10580 if (verificationParams.getOriginatingURI() != null) { 10581 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10582 verificationParams.getOriginatingURI()); 10583 } 10584 if (verificationParams.getReferrer() != null) { 10585 verification.putExtra(Intent.EXTRA_REFERRER, 10586 verificationParams.getReferrer()); 10587 } 10588 if (verificationParams.getOriginatingUid() >= 0) { 10589 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10590 verificationParams.getOriginatingUid()); 10591 } 10592 if (verificationParams.getInstallerUid() >= 0) { 10593 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10594 verificationParams.getInstallerUid()); 10595 } 10596 } 10597 10598 final PackageVerificationState verificationState = new PackageVerificationState( 10599 requiredUid, args); 10600 10601 mPendingVerification.append(verificationId, verificationState); 10602 10603 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10604 receivers, verificationState); 10605 10606 /* 10607 * If any sufficient verifiers were listed in the package 10608 * manifest, attempt to ask them. 10609 */ 10610 if (sufficientVerifiers != null) { 10611 final int N = sufficientVerifiers.size(); 10612 if (N == 0) { 10613 Slog.i(TAG, "Additional verifiers required, but none installed."); 10614 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10615 } else { 10616 for (int i = 0; i < N; i++) { 10617 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10618 10619 final Intent sufficientIntent = new Intent(verification); 10620 sufficientIntent.setComponent(verifierComponent); 10621 10622 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 10623 } 10624 } 10625 } 10626 10627 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10628 mRequiredVerifierPackage, receivers); 10629 if (ret == PackageManager.INSTALL_SUCCEEDED 10630 && mRequiredVerifierPackage != null) { 10631 /* 10632 * Send the intent to the required verification agent, 10633 * but only start the verification timeout after the 10634 * target BroadcastReceivers have run. 10635 */ 10636 verification.setComponent(requiredVerifierComponent); 10637 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 10638 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10639 new BroadcastReceiver() { 10640 @Override 10641 public void onReceive(Context context, Intent intent) { 10642 final Message msg = mHandler 10643 .obtainMessage(CHECK_PENDING_VERIFICATION); 10644 msg.arg1 = verificationId; 10645 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10646 } 10647 }, null, 0, null, null); 10648 10649 /* 10650 * We don't want the copy to proceed until verification 10651 * succeeds, so null out this field. 10652 */ 10653 mArgs = null; 10654 } 10655 } else { 10656 /* 10657 * No package verification is enabled, so immediately start 10658 * the remote call to initiate copy using temporary file. 10659 */ 10660 ret = args.copyApk(mContainerService, true); 10661 } 10662 } 10663 10664 mRet = ret; 10665 } 10666 10667 @Override 10668 void handleReturnCode() { 10669 // If mArgs is null, then MCS couldn't be reached. When it 10670 // reconnects, it will try again to install. At that point, this 10671 // will succeed. 10672 if (mArgs != null) { 10673 processPendingInstall(mArgs, mRet); 10674 } 10675 } 10676 10677 @Override 10678 void handleServiceError() { 10679 mArgs = createInstallArgs(this); 10680 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10681 } 10682 10683 public boolean isForwardLocked() { 10684 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10685 } 10686 } 10687 10688 /** 10689 * Used during creation of InstallArgs 10690 * 10691 * @param installFlags package installation flags 10692 * @return true if should be installed on external storage 10693 */ 10694 private static boolean installOnExternalAsec(int installFlags) { 10695 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10696 return false; 10697 } 10698 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10699 return true; 10700 } 10701 return false; 10702 } 10703 10704 /** 10705 * Used during creation of InstallArgs 10706 * 10707 * @param installFlags package installation flags 10708 * @return true if should be installed as forward locked 10709 */ 10710 private static boolean installForwardLocked(int installFlags) { 10711 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10712 } 10713 10714 private InstallArgs createInstallArgs(InstallParams params) { 10715 if (params.move != null) { 10716 return new MoveInstallArgs(params); 10717 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10718 return new AsecInstallArgs(params); 10719 } else { 10720 return new FileInstallArgs(params); 10721 } 10722 } 10723 10724 /** 10725 * Create args that describe an existing installed package. Typically used 10726 * when cleaning up old installs, or used as a move source. 10727 */ 10728 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10729 String resourcePath, String[] instructionSets) { 10730 final boolean isInAsec; 10731 if (installOnExternalAsec(installFlags)) { 10732 /* Apps on SD card are always in ASEC containers. */ 10733 isInAsec = true; 10734 } else if (installForwardLocked(installFlags) 10735 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10736 /* 10737 * Forward-locked apps are only in ASEC containers if they're the 10738 * new style 10739 */ 10740 isInAsec = true; 10741 } else { 10742 isInAsec = false; 10743 } 10744 10745 if (isInAsec) { 10746 return new AsecInstallArgs(codePath, instructionSets, 10747 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10748 } else { 10749 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10750 } 10751 } 10752 10753 static abstract class InstallArgs { 10754 /** @see InstallParams#origin */ 10755 final OriginInfo origin; 10756 /** @see InstallParams#move */ 10757 final MoveInfo move; 10758 10759 final IPackageInstallObserver2 observer; 10760 // Always refers to PackageManager flags only 10761 final int installFlags; 10762 final String installerPackageName; 10763 final String volumeUuid; 10764 final ManifestDigest manifestDigest; 10765 final UserHandle user; 10766 final String abiOverride; 10767 10768 // The list of instruction sets supported by this app. This is currently 10769 // only used during the rmdex() phase to clean up resources. We can get rid of this 10770 // if we move dex files under the common app path. 10771 /* nullable */ String[] instructionSets; 10772 10773 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10774 int installFlags, String installerPackageName, String volumeUuid, 10775 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10776 String abiOverride) { 10777 this.origin = origin; 10778 this.move = move; 10779 this.installFlags = installFlags; 10780 this.observer = observer; 10781 this.installerPackageName = installerPackageName; 10782 this.volumeUuid = volumeUuid; 10783 this.manifestDigest = manifestDigest; 10784 this.user = user; 10785 this.instructionSets = instructionSets; 10786 this.abiOverride = abiOverride; 10787 } 10788 10789 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10790 abstract int doPreInstall(int status); 10791 10792 /** 10793 * Rename package into final resting place. All paths on the given 10794 * scanned package should be updated to reflect the rename. 10795 */ 10796 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10797 abstract int doPostInstall(int status, int uid); 10798 10799 /** @see PackageSettingBase#codePathString */ 10800 abstract String getCodePath(); 10801 /** @see PackageSettingBase#resourcePathString */ 10802 abstract String getResourcePath(); 10803 10804 // Need installer lock especially for dex file removal. 10805 abstract void cleanUpResourcesLI(); 10806 abstract boolean doPostDeleteLI(boolean delete); 10807 10808 /** 10809 * Called before the source arguments are copied. This is used mostly 10810 * for MoveParams when it needs to read the source file to put it in the 10811 * destination. 10812 */ 10813 int doPreCopy() { 10814 return PackageManager.INSTALL_SUCCEEDED; 10815 } 10816 10817 /** 10818 * Called after the source arguments are copied. This is used mostly for 10819 * MoveParams when it needs to read the source file to put it in the 10820 * destination. 10821 * 10822 * @return 10823 */ 10824 int doPostCopy(int uid) { 10825 return PackageManager.INSTALL_SUCCEEDED; 10826 } 10827 10828 protected boolean isFwdLocked() { 10829 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10830 } 10831 10832 protected boolean isExternalAsec() { 10833 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10834 } 10835 10836 UserHandle getUser() { 10837 return user; 10838 } 10839 } 10840 10841 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10842 if (!allCodePaths.isEmpty()) { 10843 if (instructionSets == null) { 10844 throw new IllegalStateException("instructionSet == null"); 10845 } 10846 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10847 for (String codePath : allCodePaths) { 10848 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 10849 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 10850 if (retCode < 0) { 10851 Slog.w(TAG, "Couldn't remove dex file for package: " 10852 + " at location " + codePath + ", retcode=" + retCode); 10853 // we don't consider this to be a failure of the core package deletion 10854 } 10855 } 10856 } 10857 } 10858 } 10859 10860 /** 10861 * Logic to handle installation of non-ASEC applications, including copying 10862 * and renaming logic. 10863 */ 10864 class FileInstallArgs extends InstallArgs { 10865 private File codeFile; 10866 private File resourceFile; 10867 10868 // Example topology: 10869 // /data/app/com.example/base.apk 10870 // /data/app/com.example/split_foo.apk 10871 // /data/app/com.example/lib/arm/libfoo.so 10872 // /data/app/com.example/lib/arm64/libfoo.so 10873 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 10874 10875 /** New install */ 10876 FileInstallArgs(InstallParams params) { 10877 super(params.origin, params.move, params.observer, params.installFlags, 10878 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 10879 params.getUser(), null /* instruction sets */, params.packageAbiOverride); 10880 if (isFwdLocked()) { 10881 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 10882 } 10883 } 10884 10885 /** Existing install */ 10886 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 10887 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 10888 null); 10889 this.codeFile = (codePath != null) ? new File(codePath) : null; 10890 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 10891 } 10892 10893 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 10894 if (origin.staged) { 10895 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 10896 codeFile = origin.file; 10897 resourceFile = origin.file; 10898 return PackageManager.INSTALL_SUCCEEDED; 10899 } 10900 10901 try { 10902 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 10903 codeFile = tempDir; 10904 resourceFile = tempDir; 10905 } catch (IOException e) { 10906 Slog.w(TAG, "Failed to create copy file: " + e); 10907 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10908 } 10909 10910 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 10911 @Override 10912 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 10913 if (!FileUtils.isValidExtFilename(name)) { 10914 throw new IllegalArgumentException("Invalid filename: " + name); 10915 } 10916 try { 10917 final File file = new File(codeFile, name); 10918 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 10919 O_RDWR | O_CREAT, 0644); 10920 Os.chmod(file.getAbsolutePath(), 0644); 10921 return new ParcelFileDescriptor(fd); 10922 } catch (ErrnoException e) { 10923 throw new RemoteException("Failed to open: " + e.getMessage()); 10924 } 10925 } 10926 }; 10927 10928 int ret = PackageManager.INSTALL_SUCCEEDED; 10929 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 10930 if (ret != PackageManager.INSTALL_SUCCEEDED) { 10931 Slog.e(TAG, "Failed to copy package"); 10932 return ret; 10933 } 10934 10935 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 10936 NativeLibraryHelper.Handle handle = null; 10937 try { 10938 handle = NativeLibraryHelper.Handle.create(codeFile); 10939 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 10940 abiOverride); 10941 } catch (IOException e) { 10942 Slog.e(TAG, "Copying native libraries failed", e); 10943 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10944 } finally { 10945 IoUtils.closeQuietly(handle); 10946 } 10947 10948 return ret; 10949 } 10950 10951 int doPreInstall(int status) { 10952 if (status != PackageManager.INSTALL_SUCCEEDED) { 10953 cleanUp(); 10954 } 10955 return status; 10956 } 10957 10958 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 10959 if (status != PackageManager.INSTALL_SUCCEEDED) { 10960 cleanUp(); 10961 return false; 10962 } 10963 10964 final File targetDir = codeFile.getParentFile(); 10965 final File beforeCodeFile = codeFile; 10966 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 10967 10968 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 10969 try { 10970 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 10971 } catch (ErrnoException e) { 10972 Slog.w(TAG, "Failed to rename", e); 10973 return false; 10974 } 10975 10976 if (!SELinux.restoreconRecursive(afterCodeFile)) { 10977 Slog.w(TAG, "Failed to restorecon"); 10978 return false; 10979 } 10980 10981 // Reflect the rename internally 10982 codeFile = afterCodeFile; 10983 resourceFile = afterCodeFile; 10984 10985 // Reflect the rename in scanned details 10986 pkg.codePath = afterCodeFile.getAbsolutePath(); 10987 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10988 pkg.baseCodePath); 10989 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 10990 pkg.splitCodePaths); 10991 10992 // Reflect the rename in app info 10993 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 10994 pkg.applicationInfo.setCodePath(pkg.codePath); 10995 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 10996 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 10997 pkg.applicationInfo.setResourcePath(pkg.codePath); 10998 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 10999 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11000 11001 return true; 11002 } 11003 11004 int doPostInstall(int status, int uid) { 11005 if (status != PackageManager.INSTALL_SUCCEEDED) { 11006 cleanUp(); 11007 } 11008 return status; 11009 } 11010 11011 @Override 11012 String getCodePath() { 11013 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11014 } 11015 11016 @Override 11017 String getResourcePath() { 11018 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11019 } 11020 11021 private boolean cleanUp() { 11022 if (codeFile == null || !codeFile.exists()) { 11023 return false; 11024 } 11025 11026 if (codeFile.isDirectory()) { 11027 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11028 } else { 11029 codeFile.delete(); 11030 } 11031 11032 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11033 resourceFile.delete(); 11034 } 11035 11036 return true; 11037 } 11038 11039 void cleanUpResourcesLI() { 11040 // Try enumerating all code paths before deleting 11041 List<String> allCodePaths = Collections.EMPTY_LIST; 11042 if (codeFile != null && codeFile.exists()) { 11043 try { 11044 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11045 allCodePaths = pkg.getAllCodePaths(); 11046 } catch (PackageParserException e) { 11047 // Ignored; we tried our best 11048 } 11049 } 11050 11051 cleanUp(); 11052 removeDexFiles(allCodePaths, instructionSets); 11053 } 11054 11055 boolean doPostDeleteLI(boolean delete) { 11056 // XXX err, shouldn't we respect the delete flag? 11057 cleanUpResourcesLI(); 11058 return true; 11059 } 11060 } 11061 11062 private boolean isAsecExternal(String cid) { 11063 final String asecPath = PackageHelper.getSdFilesystem(cid); 11064 return !asecPath.startsWith(mAsecInternalPath); 11065 } 11066 11067 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11068 PackageManagerException { 11069 if (copyRet < 0) { 11070 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11071 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11072 throw new PackageManagerException(copyRet, message); 11073 } 11074 } 11075 } 11076 11077 /** 11078 * Extract the MountService "container ID" from the full code path of an 11079 * .apk. 11080 */ 11081 static String cidFromCodePath(String fullCodePath) { 11082 int eidx = fullCodePath.lastIndexOf("/"); 11083 String subStr1 = fullCodePath.substring(0, eidx); 11084 int sidx = subStr1.lastIndexOf("/"); 11085 return subStr1.substring(sidx+1, eidx); 11086 } 11087 11088 /** 11089 * Logic to handle installation of ASEC applications, including copying and 11090 * renaming logic. 11091 */ 11092 class AsecInstallArgs extends InstallArgs { 11093 static final String RES_FILE_NAME = "pkg.apk"; 11094 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11095 11096 String cid; 11097 String packagePath; 11098 String resourcePath; 11099 11100 /** New install */ 11101 AsecInstallArgs(InstallParams params) { 11102 super(params.origin, params.move, params.observer, params.installFlags, 11103 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11104 params.getUser(), null /* instruction sets */, params.packageAbiOverride); 11105 } 11106 11107 /** Existing install */ 11108 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11109 boolean isExternal, boolean isForwardLocked) { 11110 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11111 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11112 instructionSets, null); 11113 // Hackily pretend we're still looking at a full code path 11114 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11115 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11116 } 11117 11118 // Extract cid from fullCodePath 11119 int eidx = fullCodePath.lastIndexOf("/"); 11120 String subStr1 = fullCodePath.substring(0, eidx); 11121 int sidx = subStr1.lastIndexOf("/"); 11122 cid = subStr1.substring(sidx+1, eidx); 11123 setMountPath(subStr1); 11124 } 11125 11126 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11127 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11128 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11129 instructionSets, null); 11130 this.cid = cid; 11131 setMountPath(PackageHelper.getSdDir(cid)); 11132 } 11133 11134 void createCopyFile() { 11135 cid = mInstallerService.allocateExternalStageCidLegacy(); 11136 } 11137 11138 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11139 if (origin.staged) { 11140 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11141 cid = origin.cid; 11142 setMountPath(PackageHelper.getSdDir(cid)); 11143 return PackageManager.INSTALL_SUCCEEDED; 11144 } 11145 11146 if (temp) { 11147 createCopyFile(); 11148 } else { 11149 /* 11150 * Pre-emptively destroy the container since it's destroyed if 11151 * copying fails due to it existing anyway. 11152 */ 11153 PackageHelper.destroySdDir(cid); 11154 } 11155 11156 final String newMountPath = imcs.copyPackageToContainer( 11157 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11158 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11159 11160 if (newMountPath != null) { 11161 setMountPath(newMountPath); 11162 return PackageManager.INSTALL_SUCCEEDED; 11163 } else { 11164 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11165 } 11166 } 11167 11168 @Override 11169 String getCodePath() { 11170 return packagePath; 11171 } 11172 11173 @Override 11174 String getResourcePath() { 11175 return resourcePath; 11176 } 11177 11178 int doPreInstall(int status) { 11179 if (status != PackageManager.INSTALL_SUCCEEDED) { 11180 // Destroy container 11181 PackageHelper.destroySdDir(cid); 11182 } else { 11183 boolean mounted = PackageHelper.isContainerMounted(cid); 11184 if (!mounted) { 11185 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11186 Process.SYSTEM_UID); 11187 if (newMountPath != null) { 11188 setMountPath(newMountPath); 11189 } else { 11190 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11191 } 11192 } 11193 } 11194 return status; 11195 } 11196 11197 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11198 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11199 String newMountPath = null; 11200 if (PackageHelper.isContainerMounted(cid)) { 11201 // Unmount the container 11202 if (!PackageHelper.unMountSdDir(cid)) { 11203 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11204 return false; 11205 } 11206 } 11207 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11208 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11209 " which might be stale. Will try to clean up."); 11210 // Clean up the stale container and proceed to recreate. 11211 if (!PackageHelper.destroySdDir(newCacheId)) { 11212 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11213 return false; 11214 } 11215 // Successfully cleaned up stale container. Try to rename again. 11216 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11217 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11218 + " inspite of cleaning it up."); 11219 return false; 11220 } 11221 } 11222 if (!PackageHelper.isContainerMounted(newCacheId)) { 11223 Slog.w(TAG, "Mounting container " + newCacheId); 11224 newMountPath = PackageHelper.mountSdDir(newCacheId, 11225 getEncryptKey(), Process.SYSTEM_UID); 11226 } else { 11227 newMountPath = PackageHelper.getSdDir(newCacheId); 11228 } 11229 if (newMountPath == null) { 11230 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11231 return false; 11232 } 11233 Log.i(TAG, "Succesfully renamed " + cid + 11234 " to " + newCacheId + 11235 " at new path: " + newMountPath); 11236 cid = newCacheId; 11237 11238 final File beforeCodeFile = new File(packagePath); 11239 setMountPath(newMountPath); 11240 final File afterCodeFile = new File(packagePath); 11241 11242 // Reflect the rename in scanned details 11243 pkg.codePath = afterCodeFile.getAbsolutePath(); 11244 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11245 pkg.baseCodePath); 11246 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11247 pkg.splitCodePaths); 11248 11249 // Reflect the rename in app info 11250 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11251 pkg.applicationInfo.setCodePath(pkg.codePath); 11252 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11253 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11254 pkg.applicationInfo.setResourcePath(pkg.codePath); 11255 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11256 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11257 11258 return true; 11259 } 11260 11261 private void setMountPath(String mountPath) { 11262 final File mountFile = new File(mountPath); 11263 11264 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11265 if (monolithicFile.exists()) { 11266 packagePath = monolithicFile.getAbsolutePath(); 11267 if (isFwdLocked()) { 11268 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11269 } else { 11270 resourcePath = packagePath; 11271 } 11272 } else { 11273 packagePath = mountFile.getAbsolutePath(); 11274 resourcePath = packagePath; 11275 } 11276 } 11277 11278 int doPostInstall(int status, int uid) { 11279 if (status != PackageManager.INSTALL_SUCCEEDED) { 11280 cleanUp(); 11281 } else { 11282 final int groupOwner; 11283 final String protectedFile; 11284 if (isFwdLocked()) { 11285 groupOwner = UserHandle.getSharedAppGid(uid); 11286 protectedFile = RES_FILE_NAME; 11287 } else { 11288 groupOwner = -1; 11289 protectedFile = null; 11290 } 11291 11292 if (uid < Process.FIRST_APPLICATION_UID 11293 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11294 Slog.e(TAG, "Failed to finalize " + cid); 11295 PackageHelper.destroySdDir(cid); 11296 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11297 } 11298 11299 boolean mounted = PackageHelper.isContainerMounted(cid); 11300 if (!mounted) { 11301 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11302 } 11303 } 11304 return status; 11305 } 11306 11307 private void cleanUp() { 11308 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11309 11310 // Destroy secure container 11311 PackageHelper.destroySdDir(cid); 11312 } 11313 11314 private List<String> getAllCodePaths() { 11315 final File codeFile = new File(getCodePath()); 11316 if (codeFile != null && codeFile.exists()) { 11317 try { 11318 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11319 return pkg.getAllCodePaths(); 11320 } catch (PackageParserException e) { 11321 // Ignored; we tried our best 11322 } 11323 } 11324 return Collections.EMPTY_LIST; 11325 } 11326 11327 void cleanUpResourcesLI() { 11328 // Enumerate all code paths before deleting 11329 cleanUpResourcesLI(getAllCodePaths()); 11330 } 11331 11332 private void cleanUpResourcesLI(List<String> allCodePaths) { 11333 cleanUp(); 11334 removeDexFiles(allCodePaths, instructionSets); 11335 } 11336 11337 String getPackageName() { 11338 return getAsecPackageName(cid); 11339 } 11340 11341 boolean doPostDeleteLI(boolean delete) { 11342 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11343 final List<String> allCodePaths = getAllCodePaths(); 11344 boolean mounted = PackageHelper.isContainerMounted(cid); 11345 if (mounted) { 11346 // Unmount first 11347 if (PackageHelper.unMountSdDir(cid)) { 11348 mounted = false; 11349 } 11350 } 11351 if (!mounted && delete) { 11352 cleanUpResourcesLI(allCodePaths); 11353 } 11354 return !mounted; 11355 } 11356 11357 @Override 11358 int doPreCopy() { 11359 if (isFwdLocked()) { 11360 if (!PackageHelper.fixSdPermissions(cid, 11361 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11362 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11363 } 11364 } 11365 11366 return PackageManager.INSTALL_SUCCEEDED; 11367 } 11368 11369 @Override 11370 int doPostCopy(int uid) { 11371 if (isFwdLocked()) { 11372 if (uid < Process.FIRST_APPLICATION_UID 11373 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11374 RES_FILE_NAME)) { 11375 Slog.e(TAG, "Failed to finalize " + cid); 11376 PackageHelper.destroySdDir(cid); 11377 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11378 } 11379 } 11380 11381 return PackageManager.INSTALL_SUCCEEDED; 11382 } 11383 } 11384 11385 /** 11386 * Logic to handle movement of existing installed applications. 11387 */ 11388 class MoveInstallArgs extends InstallArgs { 11389 private File codeFile; 11390 private File resourceFile; 11391 11392 /** New install */ 11393 MoveInstallArgs(InstallParams params) { 11394 super(params.origin, params.move, params.observer, params.installFlags, 11395 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11396 params.getUser(), null /* instruction sets */, params.packageAbiOverride); 11397 } 11398 11399 int copyApk(IMediaContainerService imcs, boolean temp) { 11400 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11401 + move.fromUuid + " to " + move.toUuid); 11402 synchronized (mInstaller) { 11403 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11404 move.dataAppName, move.appId, move.seinfo) != 0) { 11405 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11406 } 11407 } 11408 11409 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11410 resourceFile = codeFile; 11411 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11412 11413 return PackageManager.INSTALL_SUCCEEDED; 11414 } 11415 11416 int doPreInstall(int status) { 11417 if (status != PackageManager.INSTALL_SUCCEEDED) { 11418 cleanUp(move.toUuid); 11419 } 11420 return status; 11421 } 11422 11423 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11424 if (status != PackageManager.INSTALL_SUCCEEDED) { 11425 cleanUp(move.toUuid); 11426 return false; 11427 } 11428 11429 // Reflect the move in app info 11430 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11431 pkg.applicationInfo.setCodePath(pkg.codePath); 11432 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11433 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11434 pkg.applicationInfo.setResourcePath(pkg.codePath); 11435 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11436 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11437 11438 return true; 11439 } 11440 11441 int doPostInstall(int status, int uid) { 11442 if (status == PackageManager.INSTALL_SUCCEEDED) { 11443 cleanUp(move.fromUuid); 11444 } else { 11445 cleanUp(move.toUuid); 11446 } 11447 return status; 11448 } 11449 11450 @Override 11451 String getCodePath() { 11452 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11453 } 11454 11455 @Override 11456 String getResourcePath() { 11457 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11458 } 11459 11460 private boolean cleanUp(String volumeUuid) { 11461 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11462 move.dataAppName); 11463 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11464 synchronized (mInstallLock) { 11465 // Clean up both app data and code 11466 removeDataDirsLI(volumeUuid, move.packageName); 11467 if (codeFile.isDirectory()) { 11468 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11469 } else { 11470 codeFile.delete(); 11471 } 11472 } 11473 return true; 11474 } 11475 11476 void cleanUpResourcesLI() { 11477 throw new UnsupportedOperationException(); 11478 } 11479 11480 boolean doPostDeleteLI(boolean delete) { 11481 throw new UnsupportedOperationException(); 11482 } 11483 } 11484 11485 static String getAsecPackageName(String packageCid) { 11486 int idx = packageCid.lastIndexOf("-"); 11487 if (idx == -1) { 11488 return packageCid; 11489 } 11490 return packageCid.substring(0, idx); 11491 } 11492 11493 // Utility method used to create code paths based on package name and available index. 11494 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11495 String idxStr = ""; 11496 int idx = 1; 11497 // Fall back to default value of idx=1 if prefix is not 11498 // part of oldCodePath 11499 if (oldCodePath != null) { 11500 String subStr = oldCodePath; 11501 // Drop the suffix right away 11502 if (suffix != null && subStr.endsWith(suffix)) { 11503 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11504 } 11505 // If oldCodePath already contains prefix find out the 11506 // ending index to either increment or decrement. 11507 int sidx = subStr.lastIndexOf(prefix); 11508 if (sidx != -1) { 11509 subStr = subStr.substring(sidx + prefix.length()); 11510 if (subStr != null) { 11511 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11512 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11513 } 11514 try { 11515 idx = Integer.parseInt(subStr); 11516 if (idx <= 1) { 11517 idx++; 11518 } else { 11519 idx--; 11520 } 11521 } catch(NumberFormatException e) { 11522 } 11523 } 11524 } 11525 } 11526 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11527 return prefix + idxStr; 11528 } 11529 11530 private File getNextCodePath(File targetDir, String packageName) { 11531 int suffix = 1; 11532 File result; 11533 do { 11534 result = new File(targetDir, packageName + "-" + suffix); 11535 suffix++; 11536 } while (result.exists()); 11537 return result; 11538 } 11539 11540 // Utility method that returns the relative package path with respect 11541 // to the installation directory. Like say for /data/data/com.test-1.apk 11542 // string com.test-1 is returned. 11543 static String deriveCodePathName(String codePath) { 11544 if (codePath == null) { 11545 return null; 11546 } 11547 final File codeFile = new File(codePath); 11548 final String name = codeFile.getName(); 11549 if (codeFile.isDirectory()) { 11550 return name; 11551 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11552 final int lastDot = name.lastIndexOf('.'); 11553 return name.substring(0, lastDot); 11554 } else { 11555 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11556 return null; 11557 } 11558 } 11559 11560 class PackageInstalledInfo { 11561 String name; 11562 int uid; 11563 // The set of users that originally had this package installed. 11564 int[] origUsers; 11565 // The set of users that now have this package installed. 11566 int[] newUsers; 11567 PackageParser.Package pkg; 11568 int returnCode; 11569 String returnMsg; 11570 PackageRemovedInfo removedInfo; 11571 11572 public void setError(int code, String msg) { 11573 returnCode = code; 11574 returnMsg = msg; 11575 Slog.w(TAG, msg); 11576 } 11577 11578 public void setError(String msg, PackageParserException e) { 11579 returnCode = e.error; 11580 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11581 Slog.w(TAG, msg, e); 11582 } 11583 11584 public void setError(String msg, PackageManagerException e) { 11585 returnCode = e.error; 11586 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11587 Slog.w(TAG, msg, e); 11588 } 11589 11590 // In some error cases we want to convey more info back to the observer 11591 String origPackage; 11592 String origPermission; 11593 } 11594 11595 /* 11596 * Install a non-existing package. 11597 */ 11598 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11599 UserHandle user, String installerPackageName, String volumeUuid, 11600 PackageInstalledInfo res) { 11601 // Remember this for later, in case we need to rollback this install 11602 String pkgName = pkg.packageName; 11603 11604 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11605 final boolean dataDirExists = Environment 11606 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11607 synchronized(mPackages) { 11608 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11609 // A package with the same name is already installed, though 11610 // it has been renamed to an older name. The package we 11611 // are trying to install should be installed as an update to 11612 // the existing one, but that has not been requested, so bail. 11613 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11614 + " without first uninstalling package running as " 11615 + mSettings.mRenamedPackages.get(pkgName)); 11616 return; 11617 } 11618 if (mPackages.containsKey(pkgName)) { 11619 // Don't allow installation over an existing package with the same name. 11620 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11621 + " without first uninstalling."); 11622 return; 11623 } 11624 } 11625 11626 try { 11627 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11628 System.currentTimeMillis(), user); 11629 11630 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11631 // delete the partially installed application. the data directory will have to be 11632 // restored if it was already existing 11633 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11634 // remove package from internal structures. Note that we want deletePackageX to 11635 // delete the package data and cache directories that it created in 11636 // scanPackageLocked, unless those directories existed before we even tried to 11637 // install. 11638 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11639 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11640 res.removedInfo, true); 11641 } 11642 11643 } catch (PackageManagerException e) { 11644 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11645 } 11646 } 11647 11648 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11649 // Can't rotate keys during boot or if sharedUser. 11650 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11651 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11652 return false; 11653 } 11654 // app is using upgradeKeySets; make sure all are valid 11655 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11656 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11657 for (int i = 0; i < upgradeKeySets.length; i++) { 11658 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11659 Slog.wtf(TAG, "Package " 11660 + (oldPs.name != null ? oldPs.name : "<null>") 11661 + " contains upgrade-key-set reference to unknown key-set: " 11662 + upgradeKeySets[i] 11663 + " reverting to signatures check."); 11664 return false; 11665 } 11666 } 11667 return true; 11668 } 11669 11670 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11671 // Upgrade keysets are being used. Determine if new package has a superset of the 11672 // required keys. 11673 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11674 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11675 for (int i = 0; i < upgradeKeySets.length; i++) { 11676 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11677 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11678 return true; 11679 } 11680 } 11681 return false; 11682 } 11683 11684 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11685 UserHandle user, String installerPackageName, String volumeUuid, 11686 PackageInstalledInfo res) { 11687 final PackageParser.Package oldPackage; 11688 final String pkgName = pkg.packageName; 11689 final int[] allUsers; 11690 final boolean[] perUserInstalled; 11691 final boolean weFroze; 11692 11693 // First find the old package info and check signatures 11694 synchronized(mPackages) { 11695 oldPackage = mPackages.get(pkgName); 11696 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11697 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11698 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11699 if(!checkUpgradeKeySetLP(ps, pkg)) { 11700 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11701 "New package not signed by keys specified by upgrade-keysets: " 11702 + pkgName); 11703 return; 11704 } 11705 } else { 11706 // default to original signature matching 11707 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11708 != PackageManager.SIGNATURE_MATCH) { 11709 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11710 "New package has a different signature: " + pkgName); 11711 return; 11712 } 11713 } 11714 11715 // In case of rollback, remember per-user/profile install state 11716 allUsers = sUserManager.getUserIds(); 11717 perUserInstalled = new boolean[allUsers.length]; 11718 for (int i = 0; i < allUsers.length; i++) { 11719 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11720 } 11721 11722 // Mark the app as frozen to prevent launching during the upgrade 11723 // process, and then kill all running instances 11724 if (!ps.frozen) { 11725 ps.frozen = true; 11726 weFroze = true; 11727 } else { 11728 weFroze = false; 11729 } 11730 } 11731 11732 // Now that we're guarded by frozen state, kill app during upgrade 11733 killApplication(pkgName, oldPackage.applicationInfo.uid, "replace pkg"); 11734 11735 try { 11736 boolean sysPkg = (isSystemApp(oldPackage)); 11737 if (sysPkg) { 11738 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11739 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11740 } else { 11741 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11742 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11743 } 11744 } finally { 11745 // Regardless of success or failure of upgrade steps above, always 11746 // unfreeze the package if we froze it 11747 if (weFroze) { 11748 unfreezePackage(pkgName); 11749 } 11750 } 11751 } 11752 11753 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11754 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11755 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11756 String volumeUuid, PackageInstalledInfo res) { 11757 String pkgName = deletedPackage.packageName; 11758 boolean deletedPkg = true; 11759 boolean updatedSettings = false; 11760 11761 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11762 + deletedPackage); 11763 long origUpdateTime; 11764 if (pkg.mExtras != null) { 11765 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11766 } else { 11767 origUpdateTime = 0; 11768 } 11769 11770 // First delete the existing package while retaining the data directory 11771 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11772 res.removedInfo, true)) { 11773 // If the existing package wasn't successfully deleted 11774 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11775 deletedPkg = false; 11776 } else { 11777 // Successfully deleted the old package; proceed with replace. 11778 11779 // If deleted package lived in a container, give users a chance to 11780 // relinquish resources before killing. 11781 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11782 if (DEBUG_INSTALL) { 11783 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11784 } 11785 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11786 final ArrayList<String> pkgList = new ArrayList<String>(1); 11787 pkgList.add(deletedPackage.applicationInfo.packageName); 11788 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11789 } 11790 11791 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11792 try { 11793 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11794 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11795 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11796 perUserInstalled, res, user); 11797 updatedSettings = true; 11798 } catch (PackageManagerException e) { 11799 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11800 } 11801 } 11802 11803 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11804 // remove package from internal structures. Note that we want deletePackageX to 11805 // delete the package data and cache directories that it created in 11806 // scanPackageLocked, unless those directories existed before we even tried to 11807 // install. 11808 if(updatedSettings) { 11809 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11810 deletePackageLI( 11811 pkgName, null, true, allUsers, perUserInstalled, 11812 PackageManager.DELETE_KEEP_DATA, 11813 res.removedInfo, true); 11814 } 11815 // Since we failed to install the new package we need to restore the old 11816 // package that we deleted. 11817 if (deletedPkg) { 11818 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11819 File restoreFile = new File(deletedPackage.codePath); 11820 // Parse old package 11821 boolean oldExternal = isExternal(deletedPackage); 11822 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11823 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11824 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11825 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11826 try { 11827 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11828 } catch (PackageManagerException e) { 11829 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11830 + e.getMessage()); 11831 return; 11832 } 11833 // Restore of old package succeeded. Update permissions. 11834 // writer 11835 synchronized (mPackages) { 11836 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11837 UPDATE_PERMISSIONS_ALL); 11838 // can downgrade to reader 11839 mSettings.writeLPr(); 11840 } 11841 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11842 } 11843 } 11844 } 11845 11846 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11847 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11848 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11849 String volumeUuid, PackageInstalledInfo res) { 11850 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11851 + ", old=" + deletedPackage); 11852 boolean disabledSystem = false; 11853 boolean updatedSettings = false; 11854 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11855 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11856 != 0) { 11857 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11858 } 11859 String packageName = deletedPackage.packageName; 11860 if (packageName == null) { 11861 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11862 "Attempt to delete null packageName."); 11863 return; 11864 } 11865 PackageParser.Package oldPkg; 11866 PackageSetting oldPkgSetting; 11867 // reader 11868 synchronized (mPackages) { 11869 oldPkg = mPackages.get(packageName); 11870 oldPkgSetting = mSettings.mPackages.get(packageName); 11871 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 11872 (oldPkgSetting == null)) { 11873 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11874 "Couldn't find package:" + packageName + " information"); 11875 return; 11876 } 11877 } 11878 11879 res.removedInfo.uid = oldPkg.applicationInfo.uid; 11880 res.removedInfo.removedPackage = packageName; 11881 // Remove existing system package 11882 removePackageLI(oldPkgSetting, true); 11883 // writer 11884 synchronized (mPackages) { 11885 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 11886 if (!disabledSystem && deletedPackage != null) { 11887 // We didn't need to disable the .apk as a current system package, 11888 // which means we are replacing another update that is already 11889 // installed. We need to make sure to delete the older one's .apk. 11890 res.removedInfo.args = createInstallArgsForExisting(0, 11891 deletedPackage.applicationInfo.getCodePath(), 11892 deletedPackage.applicationInfo.getResourcePath(), 11893 getAppDexInstructionSets(deletedPackage.applicationInfo)); 11894 } else { 11895 res.removedInfo.args = null; 11896 } 11897 } 11898 11899 // Successfully disabled the old package. Now proceed with re-installation 11900 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 11901 11902 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 11903 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 11904 11905 PackageParser.Package newPackage = null; 11906 try { 11907 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 11908 if (newPackage.mExtras != null) { 11909 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 11910 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 11911 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 11912 11913 // is the update attempting to change shared user? that isn't going to work... 11914 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 11915 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 11916 "Forbidding shared user change from " + oldPkgSetting.sharedUser 11917 + " to " + newPkgSetting.sharedUser); 11918 updatedSettings = true; 11919 } 11920 } 11921 11922 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11923 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11924 perUserInstalled, res, user); 11925 updatedSettings = true; 11926 } 11927 11928 } catch (PackageManagerException e) { 11929 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11930 } 11931 11932 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11933 // Re installation failed. Restore old information 11934 // Remove new pkg information 11935 if (newPackage != null) { 11936 removeInstalledPackageLI(newPackage, true); 11937 } 11938 // Add back the old system package 11939 try { 11940 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 11941 } catch (PackageManagerException e) { 11942 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 11943 } 11944 // Restore the old system information in Settings 11945 synchronized (mPackages) { 11946 if (disabledSystem) { 11947 mSettings.enableSystemPackageLPw(packageName); 11948 } 11949 if (updatedSettings) { 11950 mSettings.setInstallerPackageName(packageName, 11951 oldPkgSetting.installerPackageName); 11952 } 11953 mSettings.writeLPr(); 11954 } 11955 } 11956 } 11957 11958 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 11959 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 11960 UserHandle user) { 11961 String pkgName = newPackage.packageName; 11962 synchronized (mPackages) { 11963 //write settings. the installStatus will be incomplete at this stage. 11964 //note that the new package setting would have already been 11965 //added to mPackages. It hasn't been persisted yet. 11966 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 11967 mSettings.writeLPr(); 11968 } 11969 11970 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 11971 11972 synchronized (mPackages) { 11973 updatePermissionsLPw(newPackage.packageName, newPackage, 11974 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 11975 ? UPDATE_PERMISSIONS_ALL : 0)); 11976 // For system-bundled packages, we assume that installing an upgraded version 11977 // of the package implies that the user actually wants to run that new code, 11978 // so we enable the package. 11979 PackageSetting ps = mSettings.mPackages.get(pkgName); 11980 if (ps != null) { 11981 if (isSystemApp(newPackage)) { 11982 // NB: implicit assumption that system package upgrades apply to all users 11983 if (DEBUG_INSTALL) { 11984 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 11985 } 11986 if (res.origUsers != null) { 11987 for (int userHandle : res.origUsers) { 11988 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 11989 userHandle, installerPackageName); 11990 } 11991 } 11992 // Also convey the prior install/uninstall state 11993 if (allUsers != null && perUserInstalled != null) { 11994 for (int i = 0; i < allUsers.length; i++) { 11995 if (DEBUG_INSTALL) { 11996 Slog.d(TAG, " user " + allUsers[i] 11997 + " => " + perUserInstalled[i]); 11998 } 11999 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12000 } 12001 // these install state changes will be persisted in the 12002 // upcoming call to mSettings.writeLPr(). 12003 } 12004 } 12005 // It's implied that when a user requests installation, they want the app to be 12006 // installed and enabled. 12007 int userId = user.getIdentifier(); 12008 if (userId != UserHandle.USER_ALL) { 12009 ps.setInstalled(true, userId); 12010 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12011 } 12012 } 12013 res.name = pkgName; 12014 res.uid = newPackage.applicationInfo.uid; 12015 res.pkg = newPackage; 12016 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12017 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12018 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12019 //to update install status 12020 mSettings.writeLPr(); 12021 } 12022 } 12023 12024 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12025 final int installFlags = args.installFlags; 12026 final String installerPackageName = args.installerPackageName; 12027 final String volumeUuid = args.volumeUuid; 12028 final File tmpPackageFile = new File(args.getCodePath()); 12029 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12030 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12031 || (args.volumeUuid != null)); 12032 boolean replace = false; 12033 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12034 if (args.move != null) { 12035 // moving a complete application; perfom an initial scan on the new install location 12036 scanFlags |= SCAN_INITIAL; 12037 } 12038 // Result object to be returned 12039 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12040 12041 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12042 // Retrieve PackageSettings and parse package 12043 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12044 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12045 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12046 PackageParser pp = new PackageParser(); 12047 pp.setSeparateProcesses(mSeparateProcesses); 12048 pp.setDisplayMetrics(mMetrics); 12049 12050 final PackageParser.Package pkg; 12051 try { 12052 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12053 } catch (PackageParserException e) { 12054 res.setError("Failed parse during installPackageLI", e); 12055 return; 12056 } 12057 12058 // Mark that we have an install time CPU ABI override. 12059 pkg.cpuAbiOverride = args.abiOverride; 12060 12061 String pkgName = res.name = pkg.packageName; 12062 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12063 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12064 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12065 return; 12066 } 12067 } 12068 12069 try { 12070 pp.collectCertificates(pkg, parseFlags); 12071 pp.collectManifestDigest(pkg); 12072 } catch (PackageParserException e) { 12073 res.setError("Failed collect during installPackageLI", e); 12074 return; 12075 } 12076 12077 /* If the installer passed in a manifest digest, compare it now. */ 12078 if (args.manifestDigest != null) { 12079 if (DEBUG_INSTALL) { 12080 final String parsedManifest = pkg.manifestDigest == null ? "null" 12081 : pkg.manifestDigest.toString(); 12082 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12083 + parsedManifest); 12084 } 12085 12086 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12087 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12088 return; 12089 } 12090 } else if (DEBUG_INSTALL) { 12091 final String parsedManifest = pkg.manifestDigest == null 12092 ? "null" : pkg.manifestDigest.toString(); 12093 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12094 } 12095 12096 // Get rid of all references to package scan path via parser. 12097 pp = null; 12098 String oldCodePath = null; 12099 boolean systemApp = false; 12100 synchronized (mPackages) { 12101 // Check if installing already existing package 12102 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12103 String oldName = mSettings.mRenamedPackages.get(pkgName); 12104 if (pkg.mOriginalPackages != null 12105 && pkg.mOriginalPackages.contains(oldName) 12106 && mPackages.containsKey(oldName)) { 12107 // This package is derived from an original package, 12108 // and this device has been updating from that original 12109 // name. We must continue using the original name, so 12110 // rename the new package here. 12111 pkg.setPackageName(oldName); 12112 pkgName = pkg.packageName; 12113 replace = true; 12114 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12115 + oldName + " pkgName=" + pkgName); 12116 } else if (mPackages.containsKey(pkgName)) { 12117 // This package, under its official name, already exists 12118 // on the device; we should replace it. 12119 replace = true; 12120 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12121 } 12122 12123 // Prevent apps opting out from runtime permissions 12124 if (replace) { 12125 PackageParser.Package oldPackage = mPackages.get(pkgName); 12126 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12127 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12128 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12129 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12130 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12131 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12132 + " doesn't support runtime permissions but the old" 12133 + " target SDK " + oldTargetSdk + " does."); 12134 return; 12135 } 12136 } 12137 } 12138 12139 PackageSetting ps = mSettings.mPackages.get(pkgName); 12140 if (ps != null) { 12141 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12142 12143 // Quick sanity check that we're signed correctly if updating; 12144 // we'll check this again later when scanning, but we want to 12145 // bail early here before tripping over redefined permissions. 12146 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12147 if (!checkUpgradeKeySetLP(ps, pkg)) { 12148 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12149 + pkg.packageName + " upgrade keys do not match the " 12150 + "previously installed version"); 12151 return; 12152 } 12153 } else { 12154 try { 12155 verifySignaturesLP(ps, pkg); 12156 } catch (PackageManagerException e) { 12157 res.setError(e.error, e.getMessage()); 12158 return; 12159 } 12160 } 12161 12162 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12163 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12164 systemApp = (ps.pkg.applicationInfo.flags & 12165 ApplicationInfo.FLAG_SYSTEM) != 0; 12166 } 12167 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12168 } 12169 12170 // Check whether the newly-scanned package wants to define an already-defined perm 12171 int N = pkg.permissions.size(); 12172 for (int i = N-1; i >= 0; i--) { 12173 PackageParser.Permission perm = pkg.permissions.get(i); 12174 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12175 if (bp != null) { 12176 // If the defining package is signed with our cert, it's okay. This 12177 // also includes the "updating the same package" case, of course. 12178 // "updating same package" could also involve key-rotation. 12179 final boolean sigsOk; 12180 if (bp.sourcePackage.equals(pkg.packageName) 12181 && (bp.packageSetting instanceof PackageSetting) 12182 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12183 scanFlags))) { 12184 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12185 } else { 12186 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12187 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12188 } 12189 if (!sigsOk) { 12190 // If the owning package is the system itself, we log but allow 12191 // install to proceed; we fail the install on all other permission 12192 // redefinitions. 12193 if (!bp.sourcePackage.equals("android")) { 12194 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12195 + pkg.packageName + " attempting to redeclare permission " 12196 + perm.info.name + " already owned by " + bp.sourcePackage); 12197 res.origPermission = perm.info.name; 12198 res.origPackage = bp.sourcePackage; 12199 return; 12200 } else { 12201 Slog.w(TAG, "Package " + pkg.packageName 12202 + " attempting to redeclare system permission " 12203 + perm.info.name + "; ignoring new declaration"); 12204 pkg.permissions.remove(i); 12205 } 12206 } 12207 } 12208 } 12209 12210 } 12211 12212 if (systemApp && onExternal) { 12213 // Disable updates to system apps on sdcard 12214 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12215 "Cannot install updates to system apps on sdcard"); 12216 return; 12217 } 12218 12219 if (args.move != null) { 12220 // We did an in-place move, so dex is ready to roll 12221 scanFlags |= SCAN_NO_DEX; 12222 scanFlags |= SCAN_MOVE; 12223 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12224 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12225 scanFlags |= SCAN_NO_DEX; 12226 12227 try { 12228 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12229 true /* extract libs */); 12230 } catch (PackageManagerException pme) { 12231 Slog.e(TAG, "Error deriving application ABI", pme); 12232 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12233 return; 12234 } 12235 12236 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12237 int result = mPackageDexOptimizer 12238 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12239 false /* defer */, false /* inclDependencies */); 12240 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12241 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12242 return; 12243 } 12244 } 12245 12246 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12247 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12248 return; 12249 } 12250 12251 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12252 12253 if (replace) { 12254 replacePackageLI(pkg, parseFlags, scanFlags, args.user, 12255 installerPackageName, volumeUuid, res); 12256 } else { 12257 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12258 args.user, installerPackageName, volumeUuid, res); 12259 } 12260 synchronized (mPackages) { 12261 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12262 if (ps != null) { 12263 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12264 } 12265 } 12266 } 12267 12268 private void startIntentFilterVerifications(int userId, boolean replacing, 12269 PackageParser.Package pkg) { 12270 if (mIntentFilterVerifierComponent == null) { 12271 Slog.w(TAG, "No IntentFilter verification will not be done as " 12272 + "there is no IntentFilterVerifier available!"); 12273 return; 12274 } 12275 12276 final int verifierUid = getPackageUid( 12277 mIntentFilterVerifierComponent.getPackageName(), 12278 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12279 12280 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12281 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12282 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12283 mHandler.sendMessage(msg); 12284 } 12285 12286 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12287 PackageParser.Package pkg) { 12288 int size = pkg.activities.size(); 12289 if (size == 0) { 12290 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12291 "No activity, so no need to verify any IntentFilter!"); 12292 return; 12293 } 12294 12295 final boolean hasDomainURLs = hasDomainURLs(pkg); 12296 if (!hasDomainURLs) { 12297 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12298 "No domain URLs, so no need to verify any IntentFilter!"); 12299 return; 12300 } 12301 12302 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12303 + " if any IntentFilter from the " + size 12304 + " Activities needs verification ..."); 12305 12306 int count = 0; 12307 final String packageName = pkg.packageName; 12308 12309 synchronized (mPackages) { 12310 // If this is a new install and we see that we've already run verification for this 12311 // package, we have nothing to do: it means the state was restored from backup. 12312 if (!replacing) { 12313 IntentFilterVerificationInfo ivi = 12314 mSettings.getIntentFilterVerificationLPr(packageName); 12315 if (ivi != null) { 12316 if (DEBUG_DOMAIN_VERIFICATION) { 12317 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12318 + ivi.getStatusString()); 12319 } 12320 return; 12321 } 12322 } 12323 12324 // If any filters need to be verified, then all need to be. 12325 boolean needToVerify = false; 12326 for (PackageParser.Activity a : pkg.activities) { 12327 for (ActivityIntentInfo filter : a.intents) { 12328 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12329 if (DEBUG_DOMAIN_VERIFICATION) { 12330 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12331 } 12332 needToVerify = true; 12333 break; 12334 } 12335 } 12336 } 12337 12338 if (needToVerify) { 12339 final int verificationId = mIntentFilterVerificationToken++; 12340 for (PackageParser.Activity a : pkg.activities) { 12341 for (ActivityIntentInfo filter : a.intents) { 12342 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12343 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12344 "Verification needed for IntentFilter:" + filter.toString()); 12345 mIntentFilterVerifier.addOneIntentFilterVerification( 12346 verifierUid, userId, verificationId, filter, packageName); 12347 count++; 12348 } 12349 } 12350 } 12351 } 12352 } 12353 12354 if (count > 0) { 12355 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12356 + " IntentFilter verification" + (count > 1 ? "s" : "") 12357 + " for userId:" + userId); 12358 mIntentFilterVerifier.startVerifications(userId); 12359 } else { 12360 if (DEBUG_DOMAIN_VERIFICATION) { 12361 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12362 } 12363 } 12364 } 12365 12366 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12367 final ComponentName cn = filter.activity.getComponentName(); 12368 final String packageName = cn.getPackageName(); 12369 12370 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12371 packageName); 12372 if (ivi == null) { 12373 return true; 12374 } 12375 int status = ivi.getStatus(); 12376 switch (status) { 12377 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12378 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12379 return true; 12380 12381 default: 12382 // Nothing to do 12383 return false; 12384 } 12385 } 12386 12387 private static boolean isMultiArch(PackageSetting ps) { 12388 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12389 } 12390 12391 private static boolean isMultiArch(ApplicationInfo info) { 12392 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12393 } 12394 12395 private static boolean isExternal(PackageParser.Package pkg) { 12396 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12397 } 12398 12399 private static boolean isExternal(PackageSetting ps) { 12400 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12401 } 12402 12403 private static boolean isExternal(ApplicationInfo info) { 12404 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12405 } 12406 12407 private static boolean isSystemApp(PackageParser.Package pkg) { 12408 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12409 } 12410 12411 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12412 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12413 } 12414 12415 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12416 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12417 } 12418 12419 private static boolean isSystemApp(PackageSetting ps) { 12420 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12421 } 12422 12423 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12424 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12425 } 12426 12427 private int packageFlagsToInstallFlags(PackageSetting ps) { 12428 int installFlags = 0; 12429 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12430 // This existing package was an external ASEC install when we have 12431 // the external flag without a UUID 12432 installFlags |= PackageManager.INSTALL_EXTERNAL; 12433 } 12434 if (ps.isForwardLocked()) { 12435 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12436 } 12437 return installFlags; 12438 } 12439 12440 private void deleteTempPackageFiles() { 12441 final FilenameFilter filter = new FilenameFilter() { 12442 public boolean accept(File dir, String name) { 12443 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12444 } 12445 }; 12446 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12447 file.delete(); 12448 } 12449 } 12450 12451 @Override 12452 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12453 int flags) { 12454 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12455 flags); 12456 } 12457 12458 @Override 12459 public void deletePackage(final String packageName, 12460 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12461 mContext.enforceCallingOrSelfPermission( 12462 android.Manifest.permission.DELETE_PACKAGES, null); 12463 Preconditions.checkNotNull(packageName); 12464 Preconditions.checkNotNull(observer); 12465 final int uid = Binder.getCallingUid(); 12466 if (UserHandle.getUserId(uid) != userId) { 12467 mContext.enforceCallingPermission( 12468 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12469 "deletePackage for user " + userId); 12470 } 12471 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12472 try { 12473 observer.onPackageDeleted(packageName, 12474 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12475 } catch (RemoteException re) { 12476 } 12477 return; 12478 } 12479 12480 boolean uninstallBlocked = false; 12481 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12482 int[] users = sUserManager.getUserIds(); 12483 for (int i = 0; i < users.length; ++i) { 12484 if (getBlockUninstallForUser(packageName, users[i])) { 12485 uninstallBlocked = true; 12486 break; 12487 } 12488 } 12489 } else { 12490 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12491 } 12492 if (uninstallBlocked) { 12493 try { 12494 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12495 null); 12496 } catch (RemoteException re) { 12497 } 12498 return; 12499 } 12500 12501 if (DEBUG_REMOVE) { 12502 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12503 } 12504 // Queue up an async operation since the package deletion may take a little while. 12505 mHandler.post(new Runnable() { 12506 public void run() { 12507 mHandler.removeCallbacks(this); 12508 final int returnCode = deletePackageX(packageName, userId, flags); 12509 if (observer != null) { 12510 try { 12511 observer.onPackageDeleted(packageName, returnCode, null); 12512 } catch (RemoteException e) { 12513 Log.i(TAG, "Observer no longer exists."); 12514 } //end catch 12515 } //end if 12516 } //end run 12517 }); 12518 } 12519 12520 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12521 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12522 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12523 try { 12524 if (dpm != null) { 12525 if (dpm.isDeviceOwner(packageName)) { 12526 return true; 12527 } 12528 int[] users; 12529 if (userId == UserHandle.USER_ALL) { 12530 users = sUserManager.getUserIds(); 12531 } else { 12532 users = new int[]{userId}; 12533 } 12534 for (int i = 0; i < users.length; ++i) { 12535 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12536 return true; 12537 } 12538 } 12539 } 12540 } catch (RemoteException e) { 12541 } 12542 return false; 12543 } 12544 12545 /** 12546 * This method is an internal method that could be get invoked either 12547 * to delete an installed package or to clean up a failed installation. 12548 * After deleting an installed package, a broadcast is sent to notify any 12549 * listeners that the package has been installed. For cleaning up a failed 12550 * installation, the broadcast is not necessary since the package's 12551 * installation wouldn't have sent the initial broadcast either 12552 * The key steps in deleting a package are 12553 * deleting the package information in internal structures like mPackages, 12554 * deleting the packages base directories through installd 12555 * updating mSettings to reflect current status 12556 * persisting settings for later use 12557 * sending a broadcast if necessary 12558 */ 12559 private int deletePackageX(String packageName, int userId, int flags) { 12560 final PackageRemovedInfo info = new PackageRemovedInfo(); 12561 final boolean res; 12562 12563 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12564 ? UserHandle.ALL : new UserHandle(userId); 12565 12566 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12567 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12568 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12569 } 12570 12571 boolean removedForAllUsers = false; 12572 boolean systemUpdate = false; 12573 12574 // for the uninstall-updates case and restricted profiles, remember the per- 12575 // userhandle installed state 12576 int[] allUsers; 12577 boolean[] perUserInstalled; 12578 synchronized (mPackages) { 12579 PackageSetting ps = mSettings.mPackages.get(packageName); 12580 allUsers = sUserManager.getUserIds(); 12581 perUserInstalled = new boolean[allUsers.length]; 12582 for (int i = 0; i < allUsers.length; i++) { 12583 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12584 } 12585 } 12586 12587 synchronized (mInstallLock) { 12588 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12589 res = deletePackageLI(packageName, removeForUser, 12590 true, allUsers, perUserInstalled, 12591 flags | REMOVE_CHATTY, info, true); 12592 systemUpdate = info.isRemovedPackageSystemUpdate; 12593 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12594 removedForAllUsers = true; 12595 } 12596 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12597 + " removedForAllUsers=" + removedForAllUsers); 12598 } 12599 12600 if (res) { 12601 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12602 12603 // If the removed package was a system update, the old system package 12604 // was re-enabled; we need to broadcast this information 12605 if (systemUpdate) { 12606 Bundle extras = new Bundle(1); 12607 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12608 ? info.removedAppId : info.uid); 12609 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12610 12611 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12612 extras, null, null, null); 12613 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12614 extras, null, null, null); 12615 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12616 null, packageName, null, null); 12617 } 12618 } 12619 // Force a gc here. 12620 Runtime.getRuntime().gc(); 12621 // Delete the resources here after sending the broadcast to let 12622 // other processes clean up before deleting resources. 12623 if (info.args != null) { 12624 synchronized (mInstallLock) { 12625 info.args.doPostDeleteLI(true); 12626 } 12627 } 12628 12629 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12630 } 12631 12632 class PackageRemovedInfo { 12633 String removedPackage; 12634 int uid = -1; 12635 int removedAppId = -1; 12636 int[] removedUsers = null; 12637 boolean isRemovedPackageSystemUpdate = false; 12638 // Clean up resources deleted packages. 12639 InstallArgs args = null; 12640 12641 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12642 Bundle extras = new Bundle(1); 12643 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12644 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12645 if (replacing) { 12646 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12647 } 12648 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12649 if (removedPackage != null) { 12650 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12651 extras, null, null, removedUsers); 12652 if (fullRemove && !replacing) { 12653 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12654 extras, null, null, removedUsers); 12655 } 12656 } 12657 if (removedAppId >= 0) { 12658 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12659 removedUsers); 12660 } 12661 } 12662 } 12663 12664 /* 12665 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12666 * flag is not set, the data directory is removed as well. 12667 * make sure this flag is set for partially installed apps. If not its meaningless to 12668 * delete a partially installed application. 12669 */ 12670 private void removePackageDataLI(PackageSetting ps, 12671 int[] allUserHandles, boolean[] perUserInstalled, 12672 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12673 String packageName = ps.name; 12674 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12675 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12676 // Retrieve object to delete permissions for shared user later on 12677 final PackageSetting deletedPs; 12678 // reader 12679 synchronized (mPackages) { 12680 deletedPs = mSettings.mPackages.get(packageName); 12681 if (outInfo != null) { 12682 outInfo.removedPackage = packageName; 12683 outInfo.removedUsers = deletedPs != null 12684 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12685 : null; 12686 } 12687 } 12688 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12689 removeDataDirsLI(ps.volumeUuid, packageName); 12690 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12691 } 12692 // writer 12693 synchronized (mPackages) { 12694 if (deletedPs != null) { 12695 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12696 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12697 clearDefaultBrowserIfNeeded(packageName); 12698 if (outInfo != null) { 12699 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12700 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12701 } 12702 updatePermissionsLPw(deletedPs.name, null, 0); 12703 if (deletedPs.sharedUser != null) { 12704 // Remove permissions associated with package. Since runtime 12705 // permissions are per user we have to kill the removed package 12706 // or packages running under the shared user of the removed 12707 // package if revoking the permissions requested only by the removed 12708 // package is successful and this causes a change in gids. 12709 for (int userId : UserManagerService.getInstance().getUserIds()) { 12710 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12711 userId); 12712 if (userIdToKill == UserHandle.USER_ALL 12713 || userIdToKill >= UserHandle.USER_OWNER) { 12714 // If gids changed for this user, kill all affected packages. 12715 mHandler.post(new Runnable() { 12716 @Override 12717 public void run() { 12718 // This has to happen with no lock held. 12719 killSettingPackagesForUser(deletedPs, userIdToKill, 12720 KILL_APP_REASON_GIDS_CHANGED); 12721 } 12722 }); 12723 break; 12724 } 12725 } 12726 } 12727 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12728 } 12729 // make sure to preserve per-user disabled state if this removal was just 12730 // a downgrade of a system app to the factory package 12731 if (allUserHandles != null && perUserInstalled != null) { 12732 if (DEBUG_REMOVE) { 12733 Slog.d(TAG, "Propagating install state across downgrade"); 12734 } 12735 for (int i = 0; i < allUserHandles.length; i++) { 12736 if (DEBUG_REMOVE) { 12737 Slog.d(TAG, " user " + allUserHandles[i] 12738 + " => " + perUserInstalled[i]); 12739 } 12740 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12741 } 12742 } 12743 } 12744 // can downgrade to reader 12745 if (writeSettings) { 12746 // Save settings now 12747 mSettings.writeLPr(); 12748 } 12749 } 12750 if (outInfo != null) { 12751 // A user ID was deleted here. Go through all users and remove it 12752 // from KeyStore. 12753 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12754 } 12755 } 12756 12757 static boolean locationIsPrivileged(File path) { 12758 try { 12759 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12760 .getCanonicalPath(); 12761 return path.getCanonicalPath().startsWith(privilegedAppDir); 12762 } catch (IOException e) { 12763 Slog.e(TAG, "Unable to access code path " + path); 12764 } 12765 return false; 12766 } 12767 12768 /* 12769 * Tries to delete system package. 12770 */ 12771 private boolean deleteSystemPackageLI(PackageSetting newPs, 12772 int[] allUserHandles, boolean[] perUserInstalled, 12773 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12774 final boolean applyUserRestrictions 12775 = (allUserHandles != null) && (perUserInstalled != null); 12776 PackageSetting disabledPs = null; 12777 // Confirm if the system package has been updated 12778 // An updated system app can be deleted. This will also have to restore 12779 // the system pkg from system partition 12780 // reader 12781 synchronized (mPackages) { 12782 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12783 } 12784 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12785 + " disabledPs=" + disabledPs); 12786 if (disabledPs == null) { 12787 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12788 return false; 12789 } else if (DEBUG_REMOVE) { 12790 Slog.d(TAG, "Deleting system pkg from data partition"); 12791 } 12792 if (DEBUG_REMOVE) { 12793 if (applyUserRestrictions) { 12794 Slog.d(TAG, "Remembering install states:"); 12795 for (int i = 0; i < allUserHandles.length; i++) { 12796 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12797 } 12798 } 12799 } 12800 // Delete the updated package 12801 outInfo.isRemovedPackageSystemUpdate = true; 12802 if (disabledPs.versionCode < newPs.versionCode) { 12803 // Delete data for downgrades 12804 flags &= ~PackageManager.DELETE_KEEP_DATA; 12805 } else { 12806 // Preserve data by setting flag 12807 flags |= PackageManager.DELETE_KEEP_DATA; 12808 } 12809 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 12810 allUserHandles, perUserInstalled, outInfo, writeSettings); 12811 if (!ret) { 12812 return false; 12813 } 12814 // writer 12815 synchronized (mPackages) { 12816 // Reinstate the old system package 12817 mSettings.enableSystemPackageLPw(newPs.name); 12818 // Remove any native libraries from the upgraded package. 12819 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 12820 } 12821 // Install the system package 12822 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 12823 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 12824 if (locationIsPrivileged(disabledPs.codePath)) { 12825 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12826 } 12827 12828 final PackageParser.Package newPkg; 12829 try { 12830 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 12831 } catch (PackageManagerException e) { 12832 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 12833 return false; 12834 } 12835 12836 // writer 12837 synchronized (mPackages) { 12838 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 12839 12840 // Propagate the permissions state as we do want to drop on the floor 12841 // runtime permissions. The update permissions method below will take 12842 // care of removing obsolete permissions and grant install permissions. 12843 ps.getPermissionsState().copyFrom(disabledPs.getPermissionsState()); 12844 updatePermissionsLPw(newPkg.packageName, newPkg, 12845 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 12846 12847 if (applyUserRestrictions) { 12848 if (DEBUG_REMOVE) { 12849 Slog.d(TAG, "Propagating install state across reinstall"); 12850 } 12851 for (int i = 0; i < allUserHandles.length; i++) { 12852 if (DEBUG_REMOVE) { 12853 Slog.d(TAG, " user " + allUserHandles[i] 12854 + " => " + perUserInstalled[i]); 12855 } 12856 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12857 } 12858 // Regardless of writeSettings we need to ensure that this restriction 12859 // state propagation is persisted 12860 mSettings.writeAllUsersPackageRestrictionsLPr(); 12861 } 12862 // can downgrade to reader here 12863 if (writeSettings) { 12864 mSettings.writeLPr(); 12865 } 12866 } 12867 return true; 12868 } 12869 12870 private boolean deleteInstalledPackageLI(PackageSetting ps, 12871 boolean deleteCodeAndResources, int flags, 12872 int[] allUserHandles, boolean[] perUserInstalled, 12873 PackageRemovedInfo outInfo, boolean writeSettings) { 12874 if (outInfo != null) { 12875 outInfo.uid = ps.appId; 12876 } 12877 12878 // Delete package data from internal structures and also remove data if flag is set 12879 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 12880 12881 // Delete application code and resources 12882 if (deleteCodeAndResources && (outInfo != null)) { 12883 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 12884 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 12885 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 12886 } 12887 return true; 12888 } 12889 12890 @Override 12891 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 12892 int userId) { 12893 mContext.enforceCallingOrSelfPermission( 12894 android.Manifest.permission.DELETE_PACKAGES, null); 12895 synchronized (mPackages) { 12896 PackageSetting ps = mSettings.mPackages.get(packageName); 12897 if (ps == null) { 12898 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 12899 return false; 12900 } 12901 if (!ps.getInstalled(userId)) { 12902 // Can't block uninstall for an app that is not installed or enabled. 12903 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 12904 return false; 12905 } 12906 ps.setBlockUninstall(blockUninstall, userId); 12907 mSettings.writePackageRestrictionsLPr(userId); 12908 } 12909 return true; 12910 } 12911 12912 @Override 12913 public boolean getBlockUninstallForUser(String packageName, int userId) { 12914 synchronized (mPackages) { 12915 PackageSetting ps = mSettings.mPackages.get(packageName); 12916 if (ps == null) { 12917 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 12918 return false; 12919 } 12920 return ps.getBlockUninstall(userId); 12921 } 12922 } 12923 12924 /* 12925 * This method handles package deletion in general 12926 */ 12927 private boolean deletePackageLI(String packageName, UserHandle user, 12928 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 12929 int flags, PackageRemovedInfo outInfo, 12930 boolean writeSettings) { 12931 if (packageName == null) { 12932 Slog.w(TAG, "Attempt to delete null packageName."); 12933 return false; 12934 } 12935 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 12936 PackageSetting ps; 12937 boolean dataOnly = false; 12938 int removeUser = -1; 12939 int appId = -1; 12940 synchronized (mPackages) { 12941 ps = mSettings.mPackages.get(packageName); 12942 if (ps == null) { 12943 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 12944 return false; 12945 } 12946 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 12947 && user.getIdentifier() != UserHandle.USER_ALL) { 12948 // The caller is asking that the package only be deleted for a single 12949 // user. To do this, we just mark its uninstalled state and delete 12950 // its data. If this is a system app, we only allow this to happen if 12951 // they have set the special DELETE_SYSTEM_APP which requests different 12952 // semantics than normal for uninstalling system apps. 12953 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 12954 ps.setUserState(user.getIdentifier(), 12955 COMPONENT_ENABLED_STATE_DEFAULT, 12956 false, //installed 12957 true, //stopped 12958 true, //notLaunched 12959 false, //hidden 12960 null, null, null, 12961 false, // blockUninstall 12962 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 12963 if (!isSystemApp(ps)) { 12964 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 12965 // Other user still have this package installed, so all 12966 // we need to do is clear this user's data and save that 12967 // it is uninstalled. 12968 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 12969 removeUser = user.getIdentifier(); 12970 appId = ps.appId; 12971 scheduleWritePackageRestrictionsLocked(removeUser); 12972 } else { 12973 // We need to set it back to 'installed' so the uninstall 12974 // broadcasts will be sent correctly. 12975 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 12976 ps.setInstalled(true, user.getIdentifier()); 12977 } 12978 } else { 12979 // This is a system app, so we assume that the 12980 // other users still have this package installed, so all 12981 // we need to do is clear this user's data and save that 12982 // it is uninstalled. 12983 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 12984 removeUser = user.getIdentifier(); 12985 appId = ps.appId; 12986 scheduleWritePackageRestrictionsLocked(removeUser); 12987 } 12988 } 12989 } 12990 12991 if (removeUser >= 0) { 12992 // From above, we determined that we are deleting this only 12993 // for a single user. Continue the work here. 12994 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 12995 if (outInfo != null) { 12996 outInfo.removedPackage = packageName; 12997 outInfo.removedAppId = appId; 12998 outInfo.removedUsers = new int[] {removeUser}; 12999 } 13000 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13001 removeKeystoreDataIfNeeded(removeUser, appId); 13002 schedulePackageCleaning(packageName, removeUser, false); 13003 synchronized (mPackages) { 13004 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13005 scheduleWritePackageRestrictionsLocked(removeUser); 13006 } 13007 resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, removeUser); 13008 } 13009 return true; 13010 } 13011 13012 if (dataOnly) { 13013 // Delete application data first 13014 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13015 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13016 return true; 13017 } 13018 13019 boolean ret = false; 13020 if (isSystemApp(ps)) { 13021 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13022 // When an updated system application is deleted we delete the existing resources as well and 13023 // fall back to existing code in system partition 13024 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13025 flags, outInfo, writeSettings); 13026 } else { 13027 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13028 // Kill application pre-emptively especially for apps on sd. 13029 killApplication(packageName, ps.appId, "uninstall pkg"); 13030 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13031 allUserHandles, perUserInstalled, 13032 outInfo, writeSettings); 13033 } 13034 13035 return ret; 13036 } 13037 13038 private final class ClearStorageConnection implements ServiceConnection { 13039 IMediaContainerService mContainerService; 13040 13041 @Override 13042 public void onServiceConnected(ComponentName name, IBinder service) { 13043 synchronized (this) { 13044 mContainerService = IMediaContainerService.Stub.asInterface(service); 13045 notifyAll(); 13046 } 13047 } 13048 13049 @Override 13050 public void onServiceDisconnected(ComponentName name) { 13051 } 13052 } 13053 13054 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13055 final boolean mounted; 13056 if (Environment.isExternalStorageEmulated()) { 13057 mounted = true; 13058 } else { 13059 final String status = Environment.getExternalStorageState(); 13060 13061 mounted = status.equals(Environment.MEDIA_MOUNTED) 13062 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13063 } 13064 13065 if (!mounted) { 13066 return; 13067 } 13068 13069 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13070 int[] users; 13071 if (userId == UserHandle.USER_ALL) { 13072 users = sUserManager.getUserIds(); 13073 } else { 13074 users = new int[] { userId }; 13075 } 13076 final ClearStorageConnection conn = new ClearStorageConnection(); 13077 if (mContext.bindServiceAsUser( 13078 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13079 try { 13080 for (int curUser : users) { 13081 long timeout = SystemClock.uptimeMillis() + 5000; 13082 synchronized (conn) { 13083 long now = SystemClock.uptimeMillis(); 13084 while (conn.mContainerService == null && now < timeout) { 13085 try { 13086 conn.wait(timeout - now); 13087 } catch (InterruptedException e) { 13088 } 13089 } 13090 } 13091 if (conn.mContainerService == null) { 13092 return; 13093 } 13094 13095 final UserEnvironment userEnv = new UserEnvironment(curUser); 13096 clearDirectory(conn.mContainerService, 13097 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13098 if (allData) { 13099 clearDirectory(conn.mContainerService, 13100 userEnv.buildExternalStorageAppDataDirs(packageName)); 13101 clearDirectory(conn.mContainerService, 13102 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13103 } 13104 } 13105 } finally { 13106 mContext.unbindService(conn); 13107 } 13108 } 13109 } 13110 13111 @Override 13112 public void clearApplicationUserData(final String packageName, 13113 final IPackageDataObserver observer, final int userId) { 13114 mContext.enforceCallingOrSelfPermission( 13115 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13116 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13117 // Queue up an async operation since the package deletion may take a little while. 13118 mHandler.post(new Runnable() { 13119 public void run() { 13120 mHandler.removeCallbacks(this); 13121 final boolean succeeded; 13122 synchronized (mInstallLock) { 13123 succeeded = clearApplicationUserDataLI(packageName, userId); 13124 } 13125 clearExternalStorageDataSync(packageName, userId, true); 13126 if (succeeded) { 13127 // invoke DeviceStorageMonitor's update method to clear any notifications 13128 DeviceStorageMonitorInternal 13129 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13130 if (dsm != null) { 13131 dsm.checkMemory(); 13132 } 13133 } 13134 if(observer != null) { 13135 try { 13136 observer.onRemoveCompleted(packageName, succeeded); 13137 } catch (RemoteException e) { 13138 Log.i(TAG, "Observer no longer exists."); 13139 } 13140 } //end if observer 13141 } //end run 13142 }); 13143 } 13144 13145 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13146 if (packageName == null) { 13147 Slog.w(TAG, "Attempt to delete null packageName."); 13148 return false; 13149 } 13150 13151 // Try finding details about the requested package 13152 PackageParser.Package pkg; 13153 synchronized (mPackages) { 13154 pkg = mPackages.get(packageName); 13155 if (pkg == null) { 13156 final PackageSetting ps = mSettings.mPackages.get(packageName); 13157 if (ps != null) { 13158 pkg = ps.pkg; 13159 } 13160 } 13161 13162 if (pkg == null) { 13163 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13164 return false; 13165 } 13166 13167 PackageSetting ps = (PackageSetting) pkg.mExtras; 13168 resetUserChangesToRuntimePermissionsAndFlagsLocked(ps, userId); 13169 } 13170 13171 // Always delete data directories for package, even if we found no other 13172 // record of app. This helps users recover from UID mismatches without 13173 // resorting to a full data wipe. 13174 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13175 if (retCode < 0) { 13176 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13177 return false; 13178 } 13179 13180 final int appId = pkg.applicationInfo.uid; 13181 removeKeystoreDataIfNeeded(userId, appId); 13182 13183 // Create a native library symlink only if we have native libraries 13184 // and if the native libraries are 32 bit libraries. We do not provide 13185 // this symlink for 64 bit libraries. 13186 if (pkg.applicationInfo.primaryCpuAbi != null && 13187 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13188 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13189 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13190 nativeLibPath, userId) < 0) { 13191 Slog.w(TAG, "Failed linking native library dir"); 13192 return false; 13193 } 13194 } 13195 13196 return true; 13197 } 13198 13199 /** 13200 * Reverts user permission state changes (permissions and flags). 13201 * 13202 * @param ps The package for which to reset. 13203 * @param userId The device user for which to do a reset. 13204 */ 13205 private void resetUserChangesToRuntimePermissionsAndFlagsLocked( 13206 final PackageSetting ps, final int userId) { 13207 if (ps.pkg == null) { 13208 return; 13209 } 13210 13211 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13212 | FLAG_PERMISSION_USER_FIXED 13213 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13214 13215 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13216 | FLAG_PERMISSION_POLICY_FIXED; 13217 13218 boolean writeInstallPermissions = false; 13219 boolean writeRuntimePermissions = false; 13220 13221 final int permissionCount = ps.pkg.requestedPermissions.size(); 13222 for (int i = 0; i < permissionCount; i++) { 13223 String permission = ps.pkg.requestedPermissions.get(i); 13224 13225 BasePermission bp = mSettings.mPermissions.get(permission); 13226 if (bp == null) { 13227 continue; 13228 } 13229 13230 // If shared user we just reset the state to which only this app contributed. 13231 if (ps.sharedUser != null) { 13232 boolean used = false; 13233 final int packageCount = ps.sharedUser.packages.size(); 13234 for (int j = 0; j < packageCount; j++) { 13235 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13236 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13237 && pkg.pkg.requestedPermissions.contains(permission)) { 13238 used = true; 13239 break; 13240 } 13241 } 13242 if (used) { 13243 continue; 13244 } 13245 } 13246 13247 PermissionsState permissionsState = ps.getPermissionsState(); 13248 13249 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13250 13251 // Always clear the user settable flags. 13252 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13253 bp.name) != null; 13254 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13255 if (hasInstallState) { 13256 writeInstallPermissions = true; 13257 } else { 13258 writeRuntimePermissions = true; 13259 } 13260 } 13261 13262 // Below is only runtime permission handling. 13263 if (!bp.isRuntime()) { 13264 continue; 13265 } 13266 13267 // Never clobber system or policy. 13268 if ((oldFlags & policyOrSystemFlags) != 0) { 13269 continue; 13270 } 13271 13272 // If this permission was granted by default, make sure it is. 13273 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13274 if (permissionsState.grantRuntimePermission(bp, userId) 13275 != PERMISSION_OPERATION_FAILURE) { 13276 writeRuntimePermissions = true; 13277 } 13278 } else { 13279 // Otherwise, reset the permission. 13280 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13281 switch (revokeResult) { 13282 case PERMISSION_OPERATION_SUCCESS: { 13283 writeRuntimePermissions = true; 13284 } break; 13285 13286 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13287 writeRuntimePermissions = true; 13288 // If gids changed for this user, kill all affected packages. 13289 mHandler.post(new Runnable() { 13290 @Override 13291 public void run() { 13292 // This has to happen with no lock held. 13293 killSettingPackagesForUser(ps, userId, 13294 KILL_APP_REASON_GIDS_CHANGED); 13295 } 13296 }); 13297 } break; 13298 } 13299 } 13300 } 13301 13302 // Synchronously write as we are taking permissions away. 13303 if (writeRuntimePermissions) { 13304 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13305 } 13306 13307 // Synchronously write as we are taking permissions away. 13308 if (writeInstallPermissions) { 13309 mSettings.writeLPr(); 13310 } 13311 } 13312 13313 /** 13314 * Remove entries from the keystore daemon. Will only remove it if the 13315 * {@code appId} is valid. 13316 */ 13317 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13318 if (appId < 0) { 13319 return; 13320 } 13321 13322 final KeyStore keyStore = KeyStore.getInstance(); 13323 if (keyStore != null) { 13324 if (userId == UserHandle.USER_ALL) { 13325 for (final int individual : sUserManager.getUserIds()) { 13326 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13327 } 13328 } else { 13329 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13330 } 13331 } else { 13332 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13333 } 13334 } 13335 13336 @Override 13337 public void deleteApplicationCacheFiles(final String packageName, 13338 final IPackageDataObserver observer) { 13339 mContext.enforceCallingOrSelfPermission( 13340 android.Manifest.permission.DELETE_CACHE_FILES, null); 13341 // Queue up an async operation since the package deletion may take a little while. 13342 final int userId = UserHandle.getCallingUserId(); 13343 mHandler.post(new Runnable() { 13344 public void run() { 13345 mHandler.removeCallbacks(this); 13346 final boolean succeded; 13347 synchronized (mInstallLock) { 13348 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13349 } 13350 clearExternalStorageDataSync(packageName, userId, false); 13351 if (observer != null) { 13352 try { 13353 observer.onRemoveCompleted(packageName, succeded); 13354 } catch (RemoteException e) { 13355 Log.i(TAG, "Observer no longer exists."); 13356 } 13357 } //end if observer 13358 } //end run 13359 }); 13360 } 13361 13362 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13363 if (packageName == null) { 13364 Slog.w(TAG, "Attempt to delete null packageName."); 13365 return false; 13366 } 13367 PackageParser.Package p; 13368 synchronized (mPackages) { 13369 p = mPackages.get(packageName); 13370 } 13371 if (p == null) { 13372 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13373 return false; 13374 } 13375 final ApplicationInfo applicationInfo = p.applicationInfo; 13376 if (applicationInfo == null) { 13377 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13378 return false; 13379 } 13380 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13381 if (retCode < 0) { 13382 Slog.w(TAG, "Couldn't remove cache files for package: " 13383 + packageName + " u" + userId); 13384 return false; 13385 } 13386 return true; 13387 } 13388 13389 @Override 13390 public void getPackageSizeInfo(final String packageName, int userHandle, 13391 final IPackageStatsObserver observer) { 13392 mContext.enforceCallingOrSelfPermission( 13393 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13394 if (packageName == null) { 13395 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13396 } 13397 13398 PackageStats stats = new PackageStats(packageName, userHandle); 13399 13400 /* 13401 * Queue up an async operation since the package measurement may take a 13402 * little while. 13403 */ 13404 Message msg = mHandler.obtainMessage(INIT_COPY); 13405 msg.obj = new MeasureParams(stats, observer); 13406 mHandler.sendMessage(msg); 13407 } 13408 13409 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13410 PackageStats pStats) { 13411 if (packageName == null) { 13412 Slog.w(TAG, "Attempt to get size of null packageName."); 13413 return false; 13414 } 13415 PackageParser.Package p; 13416 boolean dataOnly = false; 13417 String libDirRoot = null; 13418 String asecPath = null; 13419 PackageSetting ps = null; 13420 synchronized (mPackages) { 13421 p = mPackages.get(packageName); 13422 ps = mSettings.mPackages.get(packageName); 13423 if(p == null) { 13424 dataOnly = true; 13425 if((ps == null) || (ps.pkg == null)) { 13426 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13427 return false; 13428 } 13429 p = ps.pkg; 13430 } 13431 if (ps != null) { 13432 libDirRoot = ps.legacyNativeLibraryPathString; 13433 } 13434 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13435 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13436 if (secureContainerId != null) { 13437 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13438 } 13439 } 13440 } 13441 String publicSrcDir = null; 13442 if(!dataOnly) { 13443 final ApplicationInfo applicationInfo = p.applicationInfo; 13444 if (applicationInfo == null) { 13445 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13446 return false; 13447 } 13448 if (p.isForwardLocked()) { 13449 publicSrcDir = applicationInfo.getBaseResourcePath(); 13450 } 13451 } 13452 // TODO: extend to measure size of split APKs 13453 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13454 // not just the first level. 13455 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13456 // just the primary. 13457 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13458 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath, 13459 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13460 if (res < 0) { 13461 return false; 13462 } 13463 13464 // Fix-up for forward-locked applications in ASEC containers. 13465 if (!isExternal(p)) { 13466 pStats.codeSize += pStats.externalCodeSize; 13467 pStats.externalCodeSize = 0L; 13468 } 13469 13470 return true; 13471 } 13472 13473 13474 @Override 13475 public void addPackageToPreferred(String packageName) { 13476 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13477 } 13478 13479 @Override 13480 public void removePackageFromPreferred(String packageName) { 13481 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13482 } 13483 13484 @Override 13485 public List<PackageInfo> getPreferredPackages(int flags) { 13486 return new ArrayList<PackageInfo>(); 13487 } 13488 13489 private int getUidTargetSdkVersionLockedLPr(int uid) { 13490 Object obj = mSettings.getUserIdLPr(uid); 13491 if (obj instanceof SharedUserSetting) { 13492 final SharedUserSetting sus = (SharedUserSetting) obj; 13493 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13494 final Iterator<PackageSetting> it = sus.packages.iterator(); 13495 while (it.hasNext()) { 13496 final PackageSetting ps = it.next(); 13497 if (ps.pkg != null) { 13498 int v = ps.pkg.applicationInfo.targetSdkVersion; 13499 if (v < vers) vers = v; 13500 } 13501 } 13502 return vers; 13503 } else if (obj instanceof PackageSetting) { 13504 final PackageSetting ps = (PackageSetting) obj; 13505 if (ps.pkg != null) { 13506 return ps.pkg.applicationInfo.targetSdkVersion; 13507 } 13508 } 13509 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13510 } 13511 13512 @Override 13513 public void addPreferredActivity(IntentFilter filter, int match, 13514 ComponentName[] set, ComponentName activity, int userId) { 13515 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13516 "Adding preferred"); 13517 } 13518 13519 private void addPreferredActivityInternal(IntentFilter filter, int match, 13520 ComponentName[] set, ComponentName activity, boolean always, int userId, 13521 String opname) { 13522 // writer 13523 int callingUid = Binder.getCallingUid(); 13524 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13525 if (filter.countActions() == 0) { 13526 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13527 return; 13528 } 13529 synchronized (mPackages) { 13530 if (mContext.checkCallingOrSelfPermission( 13531 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13532 != PackageManager.PERMISSION_GRANTED) { 13533 if (getUidTargetSdkVersionLockedLPr(callingUid) 13534 < Build.VERSION_CODES.FROYO) { 13535 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13536 + callingUid); 13537 return; 13538 } 13539 mContext.enforceCallingOrSelfPermission( 13540 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13541 } 13542 13543 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13544 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13545 + userId + ":"); 13546 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13547 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13548 scheduleWritePackageRestrictionsLocked(userId); 13549 } 13550 } 13551 13552 @Override 13553 public void replacePreferredActivity(IntentFilter filter, int match, 13554 ComponentName[] set, ComponentName activity, int userId) { 13555 if (filter.countActions() != 1) { 13556 throw new IllegalArgumentException( 13557 "replacePreferredActivity expects filter to have only 1 action."); 13558 } 13559 if (filter.countDataAuthorities() != 0 13560 || filter.countDataPaths() != 0 13561 || filter.countDataSchemes() > 1 13562 || filter.countDataTypes() != 0) { 13563 throw new IllegalArgumentException( 13564 "replacePreferredActivity expects filter to have no data authorities, " + 13565 "paths, or types; and at most one scheme."); 13566 } 13567 13568 final int callingUid = Binder.getCallingUid(); 13569 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13570 synchronized (mPackages) { 13571 if (mContext.checkCallingOrSelfPermission( 13572 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13573 != PackageManager.PERMISSION_GRANTED) { 13574 if (getUidTargetSdkVersionLockedLPr(callingUid) 13575 < Build.VERSION_CODES.FROYO) { 13576 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13577 + Binder.getCallingUid()); 13578 return; 13579 } 13580 mContext.enforceCallingOrSelfPermission( 13581 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13582 } 13583 13584 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13585 if (pir != null) { 13586 // Get all of the existing entries that exactly match this filter. 13587 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13588 if (existing != null && existing.size() == 1) { 13589 PreferredActivity cur = existing.get(0); 13590 if (DEBUG_PREFERRED) { 13591 Slog.i(TAG, "Checking replace of preferred:"); 13592 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13593 if (!cur.mPref.mAlways) { 13594 Slog.i(TAG, " -- CUR; not mAlways!"); 13595 } else { 13596 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13597 Slog.i(TAG, " -- CUR: mSet=" 13598 + Arrays.toString(cur.mPref.mSetComponents)); 13599 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13600 Slog.i(TAG, " -- NEW: mMatch=" 13601 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13602 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13603 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13604 } 13605 } 13606 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13607 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13608 && cur.mPref.sameSet(set)) { 13609 // Setting the preferred activity to what it happens to be already 13610 if (DEBUG_PREFERRED) { 13611 Slog.i(TAG, "Replacing with same preferred activity " 13612 + cur.mPref.mShortComponent + " for user " 13613 + userId + ":"); 13614 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13615 } 13616 return; 13617 } 13618 } 13619 13620 if (existing != null) { 13621 if (DEBUG_PREFERRED) { 13622 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13623 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13624 } 13625 for (int i = 0; i < existing.size(); i++) { 13626 PreferredActivity pa = existing.get(i); 13627 if (DEBUG_PREFERRED) { 13628 Slog.i(TAG, "Removing existing preferred activity " 13629 + pa.mPref.mComponent + ":"); 13630 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13631 } 13632 pir.removeFilter(pa); 13633 } 13634 } 13635 } 13636 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13637 "Replacing preferred"); 13638 } 13639 } 13640 13641 @Override 13642 public void clearPackagePreferredActivities(String packageName) { 13643 final int uid = Binder.getCallingUid(); 13644 // writer 13645 synchronized (mPackages) { 13646 PackageParser.Package pkg = mPackages.get(packageName); 13647 if (pkg == null || pkg.applicationInfo.uid != uid) { 13648 if (mContext.checkCallingOrSelfPermission( 13649 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13650 != PackageManager.PERMISSION_GRANTED) { 13651 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13652 < Build.VERSION_CODES.FROYO) { 13653 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13654 + Binder.getCallingUid()); 13655 return; 13656 } 13657 mContext.enforceCallingOrSelfPermission( 13658 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13659 } 13660 } 13661 13662 int user = UserHandle.getCallingUserId(); 13663 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13664 scheduleWritePackageRestrictionsLocked(user); 13665 } 13666 } 13667 } 13668 13669 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13670 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13671 ArrayList<PreferredActivity> removed = null; 13672 boolean changed = false; 13673 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13674 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13675 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13676 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13677 continue; 13678 } 13679 Iterator<PreferredActivity> it = pir.filterIterator(); 13680 while (it.hasNext()) { 13681 PreferredActivity pa = it.next(); 13682 // Mark entry for removal only if it matches the package name 13683 // and the entry is of type "always". 13684 if (packageName == null || 13685 (pa.mPref.mComponent.getPackageName().equals(packageName) 13686 && pa.mPref.mAlways)) { 13687 if (removed == null) { 13688 removed = new ArrayList<PreferredActivity>(); 13689 } 13690 removed.add(pa); 13691 } 13692 } 13693 if (removed != null) { 13694 for (int j=0; j<removed.size(); j++) { 13695 PreferredActivity pa = removed.get(j); 13696 pir.removeFilter(pa); 13697 } 13698 changed = true; 13699 } 13700 } 13701 return changed; 13702 } 13703 13704 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13705 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13706 if (userId == UserHandle.USER_ALL) { 13707 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13708 sUserManager.getUserIds())) { 13709 for (int oneUserId : sUserManager.getUserIds()) { 13710 scheduleWritePackageRestrictionsLocked(oneUserId); 13711 } 13712 } 13713 } else { 13714 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13715 scheduleWritePackageRestrictionsLocked(userId); 13716 } 13717 } 13718 } 13719 13720 13721 void clearDefaultBrowserIfNeeded(String packageName) { 13722 for (int oneUserId : sUserManager.getUserIds()) { 13723 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13724 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13725 if (packageName.equals(defaultBrowserPackageName)) { 13726 setDefaultBrowserPackageName(null, oneUserId); 13727 } 13728 } 13729 } 13730 13731 @Override 13732 public void resetPreferredActivities(int userId) { 13733 mContext.enforceCallingOrSelfPermission( 13734 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13735 // writer 13736 synchronized (mPackages) { 13737 clearPackagePreferredActivitiesLPw(null, userId); 13738 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13739 applyFactoryDefaultBrowserLPw(userId); 13740 primeDomainVerificationsLPw(userId); 13741 13742 scheduleWritePackageRestrictionsLocked(userId); 13743 } 13744 } 13745 13746 @Override 13747 public int getPreferredActivities(List<IntentFilter> outFilters, 13748 List<ComponentName> outActivities, String packageName) { 13749 13750 int num = 0; 13751 final int userId = UserHandle.getCallingUserId(); 13752 // reader 13753 synchronized (mPackages) { 13754 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13755 if (pir != null) { 13756 final Iterator<PreferredActivity> it = pir.filterIterator(); 13757 while (it.hasNext()) { 13758 final PreferredActivity pa = it.next(); 13759 if (packageName == null 13760 || (pa.mPref.mComponent.getPackageName().equals(packageName) 13761 && pa.mPref.mAlways)) { 13762 if (outFilters != null) { 13763 outFilters.add(new IntentFilter(pa)); 13764 } 13765 if (outActivities != null) { 13766 outActivities.add(pa.mPref.mComponent); 13767 } 13768 } 13769 } 13770 } 13771 } 13772 13773 return num; 13774 } 13775 13776 @Override 13777 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 13778 int userId) { 13779 int callingUid = Binder.getCallingUid(); 13780 if (callingUid != Process.SYSTEM_UID) { 13781 throw new SecurityException( 13782 "addPersistentPreferredActivity can only be run by the system"); 13783 } 13784 if (filter.countActions() == 0) { 13785 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13786 return; 13787 } 13788 synchronized (mPackages) { 13789 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 13790 " :"); 13791 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13792 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 13793 new PersistentPreferredActivity(filter, activity)); 13794 scheduleWritePackageRestrictionsLocked(userId); 13795 } 13796 } 13797 13798 @Override 13799 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 13800 int callingUid = Binder.getCallingUid(); 13801 if (callingUid != Process.SYSTEM_UID) { 13802 throw new SecurityException( 13803 "clearPackagePersistentPreferredActivities can only be run by the system"); 13804 } 13805 ArrayList<PersistentPreferredActivity> removed = null; 13806 boolean changed = false; 13807 synchronized (mPackages) { 13808 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 13809 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 13810 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 13811 .valueAt(i); 13812 if (userId != thisUserId) { 13813 continue; 13814 } 13815 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 13816 while (it.hasNext()) { 13817 PersistentPreferredActivity ppa = it.next(); 13818 // Mark entry for removal only if it matches the package name. 13819 if (ppa.mComponent.getPackageName().equals(packageName)) { 13820 if (removed == null) { 13821 removed = new ArrayList<PersistentPreferredActivity>(); 13822 } 13823 removed.add(ppa); 13824 } 13825 } 13826 if (removed != null) { 13827 for (int j=0; j<removed.size(); j++) { 13828 PersistentPreferredActivity ppa = removed.get(j); 13829 ppir.removeFilter(ppa); 13830 } 13831 changed = true; 13832 } 13833 } 13834 13835 if (changed) { 13836 scheduleWritePackageRestrictionsLocked(userId); 13837 } 13838 } 13839 } 13840 13841 /** 13842 * Common machinery for picking apart a restored XML blob and passing 13843 * it to a caller-supplied functor to be applied to the running system. 13844 */ 13845 private void restoreFromXml(XmlPullParser parser, int userId, 13846 String expectedStartTag, BlobXmlRestorer functor) 13847 throws IOException, XmlPullParserException { 13848 int type; 13849 while ((type = parser.next()) != XmlPullParser.START_TAG 13850 && type != XmlPullParser.END_DOCUMENT) { 13851 } 13852 if (type != XmlPullParser.START_TAG) { 13853 // oops didn't find a start tag?! 13854 if (DEBUG_BACKUP) { 13855 Slog.e(TAG, "Didn't find start tag during restore"); 13856 } 13857 return; 13858 } 13859 13860 // this is supposed to be TAG_PREFERRED_BACKUP 13861 if (!expectedStartTag.equals(parser.getName())) { 13862 if (DEBUG_BACKUP) { 13863 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 13864 } 13865 return; 13866 } 13867 13868 // skip interfering stuff, then we're aligned with the backing implementation 13869 while ((type = parser.next()) == XmlPullParser.TEXT) { } 13870 functor.apply(parser, userId); 13871 } 13872 13873 private interface BlobXmlRestorer { 13874 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 13875 } 13876 13877 /** 13878 * Non-Binder method, support for the backup/restore mechanism: write the 13879 * full set of preferred activities in its canonical XML format. Returns the 13880 * XML output as a byte array, or null if there is none. 13881 */ 13882 @Override 13883 public byte[] getPreferredActivityBackup(int userId) { 13884 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13885 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 13886 } 13887 13888 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 13889 try { 13890 final XmlSerializer serializer = new FastXmlSerializer(); 13891 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 13892 serializer.startDocument(null, true); 13893 serializer.startTag(null, TAG_PREFERRED_BACKUP); 13894 13895 synchronized (mPackages) { 13896 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 13897 } 13898 13899 serializer.endTag(null, TAG_PREFERRED_BACKUP); 13900 serializer.endDocument(); 13901 serializer.flush(); 13902 } catch (Exception e) { 13903 if (DEBUG_BACKUP) { 13904 Slog.e(TAG, "Unable to write preferred activities for backup", e); 13905 } 13906 return null; 13907 } 13908 13909 return dataStream.toByteArray(); 13910 } 13911 13912 @Override 13913 public void restorePreferredActivities(byte[] backup, int userId) { 13914 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13915 throw new SecurityException("Only the system may call restorePreferredActivities()"); 13916 } 13917 13918 try { 13919 final XmlPullParser parser = Xml.newPullParser(); 13920 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 13921 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 13922 new BlobXmlRestorer() { 13923 @Override 13924 public void apply(XmlPullParser parser, int userId) 13925 throws XmlPullParserException, IOException { 13926 synchronized (mPackages) { 13927 mSettings.readPreferredActivitiesLPw(parser, userId); 13928 } 13929 } 13930 } ); 13931 } catch (Exception e) { 13932 if (DEBUG_BACKUP) { 13933 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 13934 } 13935 } 13936 } 13937 13938 /** 13939 * Non-Binder method, support for the backup/restore mechanism: write the 13940 * default browser (etc) settings in its canonical XML format. Returns the default 13941 * browser XML representation as a byte array, or null if there is none. 13942 */ 13943 @Override 13944 public byte[] getDefaultAppsBackup(int userId) { 13945 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13946 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 13947 } 13948 13949 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 13950 try { 13951 final XmlSerializer serializer = new FastXmlSerializer(); 13952 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 13953 serializer.startDocument(null, true); 13954 serializer.startTag(null, TAG_DEFAULT_APPS); 13955 13956 synchronized (mPackages) { 13957 mSettings.writeDefaultAppsLPr(serializer, userId); 13958 } 13959 13960 serializer.endTag(null, TAG_DEFAULT_APPS); 13961 serializer.endDocument(); 13962 serializer.flush(); 13963 } catch (Exception e) { 13964 if (DEBUG_BACKUP) { 13965 Slog.e(TAG, "Unable to write default apps for backup", e); 13966 } 13967 return null; 13968 } 13969 13970 return dataStream.toByteArray(); 13971 } 13972 13973 @Override 13974 public void restoreDefaultApps(byte[] backup, int userId) { 13975 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 13976 throw new SecurityException("Only the system may call restoreDefaultApps()"); 13977 } 13978 13979 try { 13980 final XmlPullParser parser = Xml.newPullParser(); 13981 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 13982 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 13983 new BlobXmlRestorer() { 13984 @Override 13985 public void apply(XmlPullParser parser, int userId) 13986 throws XmlPullParserException, IOException { 13987 synchronized (mPackages) { 13988 mSettings.readDefaultAppsLPw(parser, userId); 13989 } 13990 } 13991 } ); 13992 } catch (Exception e) { 13993 if (DEBUG_BACKUP) { 13994 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 13995 } 13996 } 13997 } 13998 13999 @Override 14000 public byte[] getIntentFilterVerificationBackup(int userId) { 14001 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14002 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14003 } 14004 14005 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14006 try { 14007 final XmlSerializer serializer = new FastXmlSerializer(); 14008 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14009 serializer.startDocument(null, true); 14010 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14011 14012 synchronized (mPackages) { 14013 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14014 } 14015 14016 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14017 serializer.endDocument(); 14018 serializer.flush(); 14019 } catch (Exception e) { 14020 if (DEBUG_BACKUP) { 14021 Slog.e(TAG, "Unable to write default apps for backup", e); 14022 } 14023 return null; 14024 } 14025 14026 return dataStream.toByteArray(); 14027 } 14028 14029 @Override 14030 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14031 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14032 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14033 } 14034 14035 try { 14036 final XmlPullParser parser = Xml.newPullParser(); 14037 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14038 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14039 new BlobXmlRestorer() { 14040 @Override 14041 public void apply(XmlPullParser parser, int userId) 14042 throws XmlPullParserException, IOException { 14043 synchronized (mPackages) { 14044 mSettings.readAllDomainVerificationsLPr(parser, userId); 14045 mSettings.writeLPr(); 14046 } 14047 } 14048 } ); 14049 } catch (Exception e) { 14050 if (DEBUG_BACKUP) { 14051 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14052 } 14053 } 14054 } 14055 14056 @Override 14057 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14058 int sourceUserId, int targetUserId, int flags) { 14059 mContext.enforceCallingOrSelfPermission( 14060 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14061 int callingUid = Binder.getCallingUid(); 14062 enforceOwnerRights(ownerPackage, callingUid); 14063 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14064 if (intentFilter.countActions() == 0) { 14065 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14066 return; 14067 } 14068 synchronized (mPackages) { 14069 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14070 ownerPackage, targetUserId, flags); 14071 CrossProfileIntentResolver resolver = 14072 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14073 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14074 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14075 if (existing != null) { 14076 int size = existing.size(); 14077 for (int i = 0; i < size; i++) { 14078 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14079 return; 14080 } 14081 } 14082 } 14083 resolver.addFilter(newFilter); 14084 scheduleWritePackageRestrictionsLocked(sourceUserId); 14085 } 14086 } 14087 14088 @Override 14089 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14090 mContext.enforceCallingOrSelfPermission( 14091 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14092 int callingUid = Binder.getCallingUid(); 14093 enforceOwnerRights(ownerPackage, callingUid); 14094 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14095 synchronized (mPackages) { 14096 CrossProfileIntentResolver resolver = 14097 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14098 ArraySet<CrossProfileIntentFilter> set = 14099 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14100 for (CrossProfileIntentFilter filter : set) { 14101 if (filter.getOwnerPackage().equals(ownerPackage)) { 14102 resolver.removeFilter(filter); 14103 } 14104 } 14105 scheduleWritePackageRestrictionsLocked(sourceUserId); 14106 } 14107 } 14108 14109 // Enforcing that callingUid is owning pkg on userId 14110 private void enforceOwnerRights(String pkg, int callingUid) { 14111 // The system owns everything. 14112 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14113 return; 14114 } 14115 int callingUserId = UserHandle.getUserId(callingUid); 14116 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14117 if (pi == null) { 14118 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14119 + callingUserId); 14120 } 14121 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14122 throw new SecurityException("Calling uid " + callingUid 14123 + " does not own package " + pkg); 14124 } 14125 } 14126 14127 @Override 14128 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14129 Intent intent = new Intent(Intent.ACTION_MAIN); 14130 intent.addCategory(Intent.CATEGORY_HOME); 14131 14132 final int callingUserId = UserHandle.getCallingUserId(); 14133 List<ResolveInfo> list = queryIntentActivities(intent, null, 14134 PackageManager.GET_META_DATA, callingUserId); 14135 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14136 true, false, false, callingUserId); 14137 14138 allHomeCandidates.clear(); 14139 if (list != null) { 14140 for (ResolveInfo ri : list) { 14141 allHomeCandidates.add(ri); 14142 } 14143 } 14144 return (preferred == null || preferred.activityInfo == null) 14145 ? null 14146 : new ComponentName(preferred.activityInfo.packageName, 14147 preferred.activityInfo.name); 14148 } 14149 14150 @Override 14151 public void setApplicationEnabledSetting(String appPackageName, 14152 int newState, int flags, int userId, String callingPackage) { 14153 if (!sUserManager.exists(userId)) return; 14154 if (callingPackage == null) { 14155 callingPackage = Integer.toString(Binder.getCallingUid()); 14156 } 14157 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14158 } 14159 14160 @Override 14161 public void setComponentEnabledSetting(ComponentName componentName, 14162 int newState, int flags, int userId) { 14163 if (!sUserManager.exists(userId)) return; 14164 setEnabledSetting(componentName.getPackageName(), 14165 componentName.getClassName(), newState, flags, userId, null); 14166 } 14167 14168 private void setEnabledSetting(final String packageName, String className, int newState, 14169 final int flags, int userId, String callingPackage) { 14170 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14171 || newState == COMPONENT_ENABLED_STATE_ENABLED 14172 || newState == COMPONENT_ENABLED_STATE_DISABLED 14173 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14174 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14175 throw new IllegalArgumentException("Invalid new component state: " 14176 + newState); 14177 } 14178 PackageSetting pkgSetting; 14179 final int uid = Binder.getCallingUid(); 14180 final int permission = mContext.checkCallingOrSelfPermission( 14181 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14182 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14183 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14184 boolean sendNow = false; 14185 boolean isApp = (className == null); 14186 String componentName = isApp ? packageName : className; 14187 int packageUid = -1; 14188 ArrayList<String> components; 14189 14190 // writer 14191 synchronized (mPackages) { 14192 pkgSetting = mSettings.mPackages.get(packageName); 14193 if (pkgSetting == null) { 14194 if (className == null) { 14195 throw new IllegalArgumentException( 14196 "Unknown package: " + packageName); 14197 } 14198 throw new IllegalArgumentException( 14199 "Unknown component: " + packageName 14200 + "/" + className); 14201 } 14202 // Allow root and verify that userId is not being specified by a different user 14203 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14204 throw new SecurityException( 14205 "Permission Denial: attempt to change component state from pid=" 14206 + Binder.getCallingPid() 14207 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14208 } 14209 if (className == null) { 14210 // We're dealing with an application/package level state change 14211 if (pkgSetting.getEnabled(userId) == newState) { 14212 // Nothing to do 14213 return; 14214 } 14215 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14216 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14217 // Don't care about who enables an app. 14218 callingPackage = null; 14219 } 14220 pkgSetting.setEnabled(newState, userId, callingPackage); 14221 // pkgSetting.pkg.mSetEnabled = newState; 14222 } else { 14223 // We're dealing with a component level state change 14224 // First, verify that this is a valid class name. 14225 PackageParser.Package pkg = pkgSetting.pkg; 14226 if (pkg == null || !pkg.hasComponentClassName(className)) { 14227 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14228 throw new IllegalArgumentException("Component class " + className 14229 + " does not exist in " + packageName); 14230 } else { 14231 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14232 + className + " does not exist in " + packageName); 14233 } 14234 } 14235 switch (newState) { 14236 case COMPONENT_ENABLED_STATE_ENABLED: 14237 if (!pkgSetting.enableComponentLPw(className, userId)) { 14238 return; 14239 } 14240 break; 14241 case COMPONENT_ENABLED_STATE_DISABLED: 14242 if (!pkgSetting.disableComponentLPw(className, userId)) { 14243 return; 14244 } 14245 break; 14246 case COMPONENT_ENABLED_STATE_DEFAULT: 14247 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14248 return; 14249 } 14250 break; 14251 default: 14252 Slog.e(TAG, "Invalid new component state: " + newState); 14253 return; 14254 } 14255 } 14256 scheduleWritePackageRestrictionsLocked(userId); 14257 components = mPendingBroadcasts.get(userId, packageName); 14258 final boolean newPackage = components == null; 14259 if (newPackage) { 14260 components = new ArrayList<String>(); 14261 } 14262 if (!components.contains(componentName)) { 14263 components.add(componentName); 14264 } 14265 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14266 sendNow = true; 14267 // Purge entry from pending broadcast list if another one exists already 14268 // since we are sending one right away. 14269 mPendingBroadcasts.remove(userId, packageName); 14270 } else { 14271 if (newPackage) { 14272 mPendingBroadcasts.put(userId, packageName, components); 14273 } 14274 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14275 // Schedule a message 14276 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14277 } 14278 } 14279 } 14280 14281 long callingId = Binder.clearCallingIdentity(); 14282 try { 14283 if (sendNow) { 14284 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14285 sendPackageChangedBroadcast(packageName, 14286 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14287 } 14288 } finally { 14289 Binder.restoreCallingIdentity(callingId); 14290 } 14291 } 14292 14293 private void sendPackageChangedBroadcast(String packageName, 14294 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14295 if (DEBUG_INSTALL) 14296 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14297 + componentNames); 14298 Bundle extras = new Bundle(4); 14299 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14300 String nameList[] = new String[componentNames.size()]; 14301 componentNames.toArray(nameList); 14302 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14303 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14304 extras.putInt(Intent.EXTRA_UID, packageUid); 14305 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14306 new int[] {UserHandle.getUserId(packageUid)}); 14307 } 14308 14309 @Override 14310 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14311 if (!sUserManager.exists(userId)) return; 14312 final int uid = Binder.getCallingUid(); 14313 final int permission = mContext.checkCallingOrSelfPermission( 14314 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14315 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14316 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14317 // writer 14318 synchronized (mPackages) { 14319 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14320 allowedByPermission, uid, userId)) { 14321 scheduleWritePackageRestrictionsLocked(userId); 14322 } 14323 } 14324 } 14325 14326 @Override 14327 public String getInstallerPackageName(String packageName) { 14328 // reader 14329 synchronized (mPackages) { 14330 return mSettings.getInstallerPackageNameLPr(packageName); 14331 } 14332 } 14333 14334 @Override 14335 public int getApplicationEnabledSetting(String packageName, int userId) { 14336 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14337 int uid = Binder.getCallingUid(); 14338 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14339 // reader 14340 synchronized (mPackages) { 14341 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14342 } 14343 } 14344 14345 @Override 14346 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14347 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14348 int uid = Binder.getCallingUid(); 14349 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14350 // reader 14351 synchronized (mPackages) { 14352 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14353 } 14354 } 14355 14356 @Override 14357 public void enterSafeMode() { 14358 enforceSystemOrRoot("Only the system can request entering safe mode"); 14359 14360 if (!mSystemReady) { 14361 mSafeMode = true; 14362 } 14363 } 14364 14365 @Override 14366 public void systemReady() { 14367 mSystemReady = true; 14368 14369 // Read the compatibilty setting when the system is ready. 14370 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14371 mContext.getContentResolver(), 14372 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14373 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14374 if (DEBUG_SETTINGS) { 14375 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14376 } 14377 14378 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14379 14380 synchronized (mPackages) { 14381 // Verify that all of the preferred activity components actually 14382 // exist. It is possible for applications to be updated and at 14383 // that point remove a previously declared activity component that 14384 // had been set as a preferred activity. We try to clean this up 14385 // the next time we encounter that preferred activity, but it is 14386 // possible for the user flow to never be able to return to that 14387 // situation so here we do a sanity check to make sure we haven't 14388 // left any junk around. 14389 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14390 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14391 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14392 removed.clear(); 14393 for (PreferredActivity pa : pir.filterSet()) { 14394 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14395 removed.add(pa); 14396 } 14397 } 14398 if (removed.size() > 0) { 14399 for (int r=0; r<removed.size(); r++) { 14400 PreferredActivity pa = removed.get(r); 14401 Slog.w(TAG, "Removing dangling preferred activity: " 14402 + pa.mPref.mComponent); 14403 pir.removeFilter(pa); 14404 } 14405 mSettings.writePackageRestrictionsLPr( 14406 mSettings.mPreferredActivities.keyAt(i)); 14407 } 14408 } 14409 14410 for (int userId : UserManagerService.getInstance().getUserIds()) { 14411 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14412 grantPermissionsUserIds = ArrayUtils.appendInt( 14413 grantPermissionsUserIds, userId); 14414 } 14415 } 14416 } 14417 sUserManager.systemReady(); 14418 14419 // If we upgraded grant all default permissions before kicking off. 14420 for (int userId : grantPermissionsUserIds) { 14421 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14422 } 14423 14424 // Kick off any messages waiting for system ready 14425 if (mPostSystemReadyMessages != null) { 14426 for (Message msg : mPostSystemReadyMessages) { 14427 msg.sendToTarget(); 14428 } 14429 mPostSystemReadyMessages = null; 14430 } 14431 14432 // Watch for external volumes that come and go over time 14433 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14434 storage.registerListener(mStorageListener); 14435 14436 mInstallerService.systemReady(); 14437 mPackageDexOptimizer.systemReady(); 14438 } 14439 14440 @Override 14441 public boolean isSafeMode() { 14442 return mSafeMode; 14443 } 14444 14445 @Override 14446 public boolean hasSystemUidErrors() { 14447 return mHasSystemUidErrors; 14448 } 14449 14450 static String arrayToString(int[] array) { 14451 StringBuffer buf = new StringBuffer(128); 14452 buf.append('['); 14453 if (array != null) { 14454 for (int i=0; i<array.length; i++) { 14455 if (i > 0) buf.append(", "); 14456 buf.append(array[i]); 14457 } 14458 } 14459 buf.append(']'); 14460 return buf.toString(); 14461 } 14462 14463 static class DumpState { 14464 public static final int DUMP_LIBS = 1 << 0; 14465 public static final int DUMP_FEATURES = 1 << 1; 14466 public static final int DUMP_RESOLVERS = 1 << 2; 14467 public static final int DUMP_PERMISSIONS = 1 << 3; 14468 public static final int DUMP_PACKAGES = 1 << 4; 14469 public static final int DUMP_SHARED_USERS = 1 << 5; 14470 public static final int DUMP_MESSAGES = 1 << 6; 14471 public static final int DUMP_PROVIDERS = 1 << 7; 14472 public static final int DUMP_VERIFIERS = 1 << 8; 14473 public static final int DUMP_PREFERRED = 1 << 9; 14474 public static final int DUMP_PREFERRED_XML = 1 << 10; 14475 public static final int DUMP_KEYSETS = 1 << 11; 14476 public static final int DUMP_VERSION = 1 << 12; 14477 public static final int DUMP_INSTALLS = 1 << 13; 14478 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14479 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14480 14481 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14482 14483 private int mTypes; 14484 14485 private int mOptions; 14486 14487 private boolean mTitlePrinted; 14488 14489 private SharedUserSetting mSharedUser; 14490 14491 public boolean isDumping(int type) { 14492 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14493 return true; 14494 } 14495 14496 return (mTypes & type) != 0; 14497 } 14498 14499 public void setDump(int type) { 14500 mTypes |= type; 14501 } 14502 14503 public boolean isOptionEnabled(int option) { 14504 return (mOptions & option) != 0; 14505 } 14506 14507 public void setOptionEnabled(int option) { 14508 mOptions |= option; 14509 } 14510 14511 public boolean onTitlePrinted() { 14512 final boolean printed = mTitlePrinted; 14513 mTitlePrinted = true; 14514 return printed; 14515 } 14516 14517 public boolean getTitlePrinted() { 14518 return mTitlePrinted; 14519 } 14520 14521 public void setTitlePrinted(boolean enabled) { 14522 mTitlePrinted = enabled; 14523 } 14524 14525 public SharedUserSetting getSharedUser() { 14526 return mSharedUser; 14527 } 14528 14529 public void setSharedUser(SharedUserSetting user) { 14530 mSharedUser = user; 14531 } 14532 } 14533 14534 @Override 14535 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14536 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14537 != PackageManager.PERMISSION_GRANTED) { 14538 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14539 + Binder.getCallingPid() 14540 + ", uid=" + Binder.getCallingUid() 14541 + " without permission " 14542 + android.Manifest.permission.DUMP); 14543 return; 14544 } 14545 14546 DumpState dumpState = new DumpState(); 14547 boolean fullPreferred = false; 14548 boolean checkin = false; 14549 14550 String packageName = null; 14551 ArraySet<String> permissionNames = null; 14552 14553 int opti = 0; 14554 while (opti < args.length) { 14555 String opt = args[opti]; 14556 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14557 break; 14558 } 14559 opti++; 14560 14561 if ("-a".equals(opt)) { 14562 // Right now we only know how to print all. 14563 } else if ("-h".equals(opt)) { 14564 pw.println("Package manager dump options:"); 14565 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14566 pw.println(" --checkin: dump for a checkin"); 14567 pw.println(" -f: print details of intent filters"); 14568 pw.println(" -h: print this help"); 14569 pw.println(" cmd may be one of:"); 14570 pw.println(" l[ibraries]: list known shared libraries"); 14571 pw.println(" f[ibraries]: list device features"); 14572 pw.println(" k[eysets]: print known keysets"); 14573 pw.println(" r[esolvers]: dump intent resolvers"); 14574 pw.println(" perm[issions]: dump permissions"); 14575 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14576 pw.println(" pref[erred]: print preferred package settings"); 14577 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14578 pw.println(" prov[iders]: dump content providers"); 14579 pw.println(" p[ackages]: dump installed packages"); 14580 pw.println(" s[hared-users]: dump shared user IDs"); 14581 pw.println(" m[essages]: print collected runtime messages"); 14582 pw.println(" v[erifiers]: print package verifier info"); 14583 pw.println(" version: print database version info"); 14584 pw.println(" write: write current settings now"); 14585 pw.println(" <package.name>: info about given package"); 14586 pw.println(" installs: details about install sessions"); 14587 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14588 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14589 return; 14590 } else if ("--checkin".equals(opt)) { 14591 checkin = true; 14592 } else if ("-f".equals(opt)) { 14593 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14594 } else { 14595 pw.println("Unknown argument: " + opt + "; use -h for help"); 14596 } 14597 } 14598 14599 // Is the caller requesting to dump a particular piece of data? 14600 if (opti < args.length) { 14601 String cmd = args[opti]; 14602 opti++; 14603 // Is this a package name? 14604 if ("android".equals(cmd) || cmd.contains(".")) { 14605 packageName = cmd; 14606 // When dumping a single package, we always dump all of its 14607 // filter information since the amount of data will be reasonable. 14608 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14609 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14610 dumpState.setDump(DumpState.DUMP_LIBS); 14611 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14612 dumpState.setDump(DumpState.DUMP_FEATURES); 14613 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14614 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14615 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14616 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14617 } else if ("permission".equals(cmd)) { 14618 if (opti >= args.length) { 14619 pw.println("Error: permission requires permission name"); 14620 return; 14621 } 14622 permissionNames = new ArraySet<>(); 14623 while (opti < args.length) { 14624 permissionNames.add(args[opti]); 14625 opti++; 14626 } 14627 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14628 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14629 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14630 dumpState.setDump(DumpState.DUMP_PREFERRED); 14631 } else if ("preferred-xml".equals(cmd)) { 14632 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14633 if (opti < args.length && "--full".equals(args[opti])) { 14634 fullPreferred = true; 14635 opti++; 14636 } 14637 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14638 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14639 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14640 dumpState.setDump(DumpState.DUMP_PACKAGES); 14641 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14642 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14643 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14644 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14645 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14646 dumpState.setDump(DumpState.DUMP_MESSAGES); 14647 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14648 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14649 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14650 || "intent-filter-verifiers".equals(cmd)) { 14651 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14652 } else if ("version".equals(cmd)) { 14653 dumpState.setDump(DumpState.DUMP_VERSION); 14654 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14655 dumpState.setDump(DumpState.DUMP_KEYSETS); 14656 } else if ("installs".equals(cmd)) { 14657 dumpState.setDump(DumpState.DUMP_INSTALLS); 14658 } else if ("write".equals(cmd)) { 14659 synchronized (mPackages) { 14660 mSettings.writeLPr(); 14661 pw.println("Settings written."); 14662 return; 14663 } 14664 } 14665 } 14666 14667 if (checkin) { 14668 pw.println("vers,1"); 14669 } 14670 14671 // reader 14672 synchronized (mPackages) { 14673 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14674 if (!checkin) { 14675 if (dumpState.onTitlePrinted()) 14676 pw.println(); 14677 pw.println("Database versions:"); 14678 pw.print(" SDK Version:"); 14679 pw.print(" internal="); 14680 pw.print(mSettings.mInternalSdkPlatform); 14681 pw.print(" external="); 14682 pw.println(mSettings.mExternalSdkPlatform); 14683 pw.print(" DB Version:"); 14684 pw.print(" internal="); 14685 pw.print(mSettings.mInternalDatabaseVersion); 14686 pw.print(" external="); 14687 pw.println(mSettings.mExternalDatabaseVersion); 14688 } 14689 } 14690 14691 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14692 if (!checkin) { 14693 if (dumpState.onTitlePrinted()) 14694 pw.println(); 14695 pw.println("Verifiers:"); 14696 pw.print(" Required: "); 14697 pw.print(mRequiredVerifierPackage); 14698 pw.print(" (uid="); 14699 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14700 pw.println(")"); 14701 } else if (mRequiredVerifierPackage != null) { 14702 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 14703 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 14704 } 14705 } 14706 14707 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 14708 packageName == null) { 14709 if (mIntentFilterVerifierComponent != null) { 14710 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 14711 if (!checkin) { 14712 if (dumpState.onTitlePrinted()) 14713 pw.println(); 14714 pw.println("Intent Filter Verifier:"); 14715 pw.print(" Using: "); 14716 pw.print(verifierPackageName); 14717 pw.print(" (uid="); 14718 pw.print(getPackageUid(verifierPackageName, 0)); 14719 pw.println(")"); 14720 } else if (verifierPackageName != null) { 14721 pw.print("ifv,"); pw.print(verifierPackageName); 14722 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 14723 } 14724 } else { 14725 pw.println(); 14726 pw.println("No Intent Filter Verifier available!"); 14727 } 14728 } 14729 14730 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 14731 boolean printedHeader = false; 14732 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 14733 while (it.hasNext()) { 14734 String name = it.next(); 14735 SharedLibraryEntry ent = mSharedLibraries.get(name); 14736 if (!checkin) { 14737 if (!printedHeader) { 14738 if (dumpState.onTitlePrinted()) 14739 pw.println(); 14740 pw.println("Libraries:"); 14741 printedHeader = true; 14742 } 14743 pw.print(" "); 14744 } else { 14745 pw.print("lib,"); 14746 } 14747 pw.print(name); 14748 if (!checkin) { 14749 pw.print(" -> "); 14750 } 14751 if (ent.path != null) { 14752 if (!checkin) { 14753 pw.print("(jar) "); 14754 pw.print(ent.path); 14755 } else { 14756 pw.print(",jar,"); 14757 pw.print(ent.path); 14758 } 14759 } else { 14760 if (!checkin) { 14761 pw.print("(apk) "); 14762 pw.print(ent.apk); 14763 } else { 14764 pw.print(",apk,"); 14765 pw.print(ent.apk); 14766 } 14767 } 14768 pw.println(); 14769 } 14770 } 14771 14772 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 14773 if (dumpState.onTitlePrinted()) 14774 pw.println(); 14775 if (!checkin) { 14776 pw.println("Features:"); 14777 } 14778 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 14779 while (it.hasNext()) { 14780 String name = it.next(); 14781 if (!checkin) { 14782 pw.print(" "); 14783 } else { 14784 pw.print("feat,"); 14785 } 14786 pw.println(name); 14787 } 14788 } 14789 14790 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 14791 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 14792 : "Activity Resolver Table:", " ", packageName, 14793 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14794 dumpState.setTitlePrinted(true); 14795 } 14796 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 14797 : "Receiver Resolver Table:", " ", packageName, 14798 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14799 dumpState.setTitlePrinted(true); 14800 } 14801 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 14802 : "Service Resolver Table:", " ", packageName, 14803 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14804 dumpState.setTitlePrinted(true); 14805 } 14806 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 14807 : "Provider Resolver Table:", " ", packageName, 14808 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 14809 dumpState.setTitlePrinted(true); 14810 } 14811 } 14812 14813 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 14814 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14815 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14816 int user = mSettings.mPreferredActivities.keyAt(i); 14817 if (pir.dump(pw, 14818 dumpState.getTitlePrinted() 14819 ? "\nPreferred Activities User " + user + ":" 14820 : "Preferred Activities User " + user + ":", " ", 14821 packageName, true, false)) { 14822 dumpState.setTitlePrinted(true); 14823 } 14824 } 14825 } 14826 14827 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 14828 pw.flush(); 14829 FileOutputStream fout = new FileOutputStream(fd); 14830 BufferedOutputStream str = new BufferedOutputStream(fout); 14831 XmlSerializer serializer = new FastXmlSerializer(); 14832 try { 14833 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 14834 serializer.startDocument(null, true); 14835 serializer.setFeature( 14836 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 14837 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 14838 serializer.endDocument(); 14839 serializer.flush(); 14840 } catch (IllegalArgumentException e) { 14841 pw.println("Failed writing: " + e); 14842 } catch (IllegalStateException e) { 14843 pw.println("Failed writing: " + e); 14844 } catch (IOException e) { 14845 pw.println("Failed writing: " + e); 14846 } 14847 } 14848 14849 if (!checkin 14850 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 14851 && packageName == null) { 14852 pw.println(); 14853 int count = mSettings.mPackages.size(); 14854 if (count == 0) { 14855 pw.println("No applications!"); 14856 pw.println(); 14857 } else { 14858 final String prefix = " "; 14859 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 14860 if (allPackageSettings.size() == 0) { 14861 pw.println("No domain preferred apps!"); 14862 pw.println(); 14863 } else { 14864 pw.println("App verification status:"); 14865 pw.println(); 14866 count = 0; 14867 for (PackageSetting ps : allPackageSettings) { 14868 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 14869 if (ivi == null || ivi.getPackageName() == null) continue; 14870 pw.println(prefix + "Package: " + ivi.getPackageName()); 14871 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 14872 pw.println(prefix + "Status: " + ivi.getStatusString()); 14873 pw.println(); 14874 count++; 14875 } 14876 if (count == 0) { 14877 pw.println(prefix + "No app verification established."); 14878 pw.println(); 14879 } 14880 for (int userId : sUserManager.getUserIds()) { 14881 pw.println("App linkages for user " + userId + ":"); 14882 pw.println(); 14883 count = 0; 14884 for (PackageSetting ps : allPackageSettings) { 14885 final int status = ps.getDomainVerificationStatusForUser(userId); 14886 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 14887 continue; 14888 } 14889 pw.println(prefix + "Package: " + ps.name); 14890 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 14891 String statusStr = IntentFilterVerificationInfo. 14892 getStatusStringFromValue(status); 14893 pw.println(prefix + "Status: " + statusStr); 14894 pw.println(); 14895 count++; 14896 } 14897 if (count == 0) { 14898 pw.println(prefix + "No configured app linkages."); 14899 pw.println(); 14900 } 14901 } 14902 } 14903 } 14904 } 14905 14906 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 14907 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 14908 if (packageName == null && permissionNames == null) { 14909 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 14910 if (iperm == 0) { 14911 if (dumpState.onTitlePrinted()) 14912 pw.println(); 14913 pw.println("AppOp Permissions:"); 14914 } 14915 pw.print(" AppOp Permission "); 14916 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 14917 pw.println(":"); 14918 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 14919 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 14920 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 14921 } 14922 } 14923 } 14924 } 14925 14926 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 14927 boolean printedSomething = false; 14928 for (PackageParser.Provider p : mProviders.mProviders.values()) { 14929 if (packageName != null && !packageName.equals(p.info.packageName)) { 14930 continue; 14931 } 14932 if (!printedSomething) { 14933 if (dumpState.onTitlePrinted()) 14934 pw.println(); 14935 pw.println("Registered ContentProviders:"); 14936 printedSomething = true; 14937 } 14938 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 14939 pw.print(" "); pw.println(p.toString()); 14940 } 14941 printedSomething = false; 14942 for (Map.Entry<String, PackageParser.Provider> entry : 14943 mProvidersByAuthority.entrySet()) { 14944 PackageParser.Provider p = entry.getValue(); 14945 if (packageName != null && !packageName.equals(p.info.packageName)) { 14946 continue; 14947 } 14948 if (!printedSomething) { 14949 if (dumpState.onTitlePrinted()) 14950 pw.println(); 14951 pw.println("ContentProvider Authorities:"); 14952 printedSomething = true; 14953 } 14954 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 14955 pw.print(" "); pw.println(p.toString()); 14956 if (p.info != null && p.info.applicationInfo != null) { 14957 final String appInfo = p.info.applicationInfo.toString(); 14958 pw.print(" applicationInfo="); pw.println(appInfo); 14959 } 14960 } 14961 } 14962 14963 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 14964 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 14965 } 14966 14967 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 14968 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 14969 } 14970 14971 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 14972 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 14973 } 14974 14975 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 14976 // XXX should handle packageName != null by dumping only install data that 14977 // the given package is involved with. 14978 if (dumpState.onTitlePrinted()) pw.println(); 14979 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 14980 } 14981 14982 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 14983 if (dumpState.onTitlePrinted()) pw.println(); 14984 mSettings.dumpReadMessagesLPr(pw, dumpState); 14985 14986 pw.println(); 14987 pw.println("Package warning messages:"); 14988 BufferedReader in = null; 14989 String line = null; 14990 try { 14991 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 14992 while ((line = in.readLine()) != null) { 14993 if (line.contains("ignored: updated version")) continue; 14994 pw.println(line); 14995 } 14996 } catch (IOException ignored) { 14997 } finally { 14998 IoUtils.closeQuietly(in); 14999 } 15000 } 15001 15002 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15003 BufferedReader in = null; 15004 String line = null; 15005 try { 15006 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15007 while ((line = in.readLine()) != null) { 15008 if (line.contains("ignored: updated version")) continue; 15009 pw.print("msg,"); 15010 pw.println(line); 15011 } 15012 } catch (IOException ignored) { 15013 } finally { 15014 IoUtils.closeQuietly(in); 15015 } 15016 } 15017 } 15018 } 15019 15020 private String dumpDomainString(String packageName) { 15021 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15022 List<IntentFilter> filters = getAllIntentFilters(packageName); 15023 15024 ArraySet<String> result = new ArraySet<>(); 15025 if (iviList.size() > 0) { 15026 for (IntentFilterVerificationInfo ivi : iviList) { 15027 for (String host : ivi.getDomains()) { 15028 result.add(host); 15029 } 15030 } 15031 } 15032 if (filters != null && filters.size() > 0) { 15033 for (IntentFilter filter : filters) { 15034 if (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15035 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)) { 15036 result.addAll(filter.getHostsList()); 15037 } 15038 } 15039 } 15040 15041 StringBuilder sb = new StringBuilder(result.size() * 16); 15042 for (String domain : result) { 15043 if (sb.length() > 0) sb.append(" "); 15044 sb.append(domain); 15045 } 15046 return sb.toString(); 15047 } 15048 15049 // ------- apps on sdcard specific code ------- 15050 static final boolean DEBUG_SD_INSTALL = false; 15051 15052 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15053 15054 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15055 15056 private boolean mMediaMounted = false; 15057 15058 static String getEncryptKey() { 15059 try { 15060 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15061 SD_ENCRYPTION_KEYSTORE_NAME); 15062 if (sdEncKey == null) { 15063 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15064 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15065 if (sdEncKey == null) { 15066 Slog.e(TAG, "Failed to create encryption keys"); 15067 return null; 15068 } 15069 } 15070 return sdEncKey; 15071 } catch (NoSuchAlgorithmException nsae) { 15072 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15073 return null; 15074 } catch (IOException ioe) { 15075 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15076 return null; 15077 } 15078 } 15079 15080 /* 15081 * Update media status on PackageManager. 15082 */ 15083 @Override 15084 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15085 int callingUid = Binder.getCallingUid(); 15086 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15087 throw new SecurityException("Media status can only be updated by the system"); 15088 } 15089 // reader; this apparently protects mMediaMounted, but should probably 15090 // be a different lock in that case. 15091 synchronized (mPackages) { 15092 Log.i(TAG, "Updating external media status from " 15093 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15094 + (mediaStatus ? "mounted" : "unmounted")); 15095 if (DEBUG_SD_INSTALL) 15096 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15097 + ", mMediaMounted=" + mMediaMounted); 15098 if (mediaStatus == mMediaMounted) { 15099 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15100 : 0, -1); 15101 mHandler.sendMessage(msg); 15102 return; 15103 } 15104 mMediaMounted = mediaStatus; 15105 } 15106 // Queue up an async operation since the package installation may take a 15107 // little while. 15108 mHandler.post(new Runnable() { 15109 public void run() { 15110 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15111 } 15112 }); 15113 } 15114 15115 /** 15116 * Called by MountService when the initial ASECs to scan are available. 15117 * Should block until all the ASEC containers are finished being scanned. 15118 */ 15119 public void scanAvailableAsecs() { 15120 updateExternalMediaStatusInner(true, false, false); 15121 if (mShouldRestoreconData) { 15122 SELinuxMMAC.setRestoreconDone(); 15123 mShouldRestoreconData = false; 15124 } 15125 } 15126 15127 /* 15128 * Collect information of applications on external media, map them against 15129 * existing containers and update information based on current mount status. 15130 * Please note that we always have to report status if reportStatus has been 15131 * set to true especially when unloading packages. 15132 */ 15133 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15134 boolean externalStorage) { 15135 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15136 int[] uidArr = EmptyArray.INT; 15137 15138 final String[] list = PackageHelper.getSecureContainerList(); 15139 if (ArrayUtils.isEmpty(list)) { 15140 Log.i(TAG, "No secure containers found"); 15141 } else { 15142 // Process list of secure containers and categorize them 15143 // as active or stale based on their package internal state. 15144 15145 // reader 15146 synchronized (mPackages) { 15147 for (String cid : list) { 15148 // Leave stages untouched for now; installer service owns them 15149 if (PackageInstallerService.isStageName(cid)) continue; 15150 15151 if (DEBUG_SD_INSTALL) 15152 Log.i(TAG, "Processing container " + cid); 15153 String pkgName = getAsecPackageName(cid); 15154 if (pkgName == null) { 15155 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15156 continue; 15157 } 15158 if (DEBUG_SD_INSTALL) 15159 Log.i(TAG, "Looking for pkg : " + pkgName); 15160 15161 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15162 if (ps == null) { 15163 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15164 continue; 15165 } 15166 15167 /* 15168 * Skip packages that are not external if we're unmounting 15169 * external storage. 15170 */ 15171 if (externalStorage && !isMounted && !isExternal(ps)) { 15172 continue; 15173 } 15174 15175 final AsecInstallArgs args = new AsecInstallArgs(cid, 15176 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15177 // The package status is changed only if the code path 15178 // matches between settings and the container id. 15179 if (ps.codePathString != null 15180 && ps.codePathString.startsWith(args.getCodePath())) { 15181 if (DEBUG_SD_INSTALL) { 15182 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15183 + " at code path: " + ps.codePathString); 15184 } 15185 15186 // We do have a valid package installed on sdcard 15187 processCids.put(args, ps.codePathString); 15188 final int uid = ps.appId; 15189 if (uid != -1) { 15190 uidArr = ArrayUtils.appendInt(uidArr, uid); 15191 } 15192 } else { 15193 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15194 + ps.codePathString); 15195 } 15196 } 15197 } 15198 15199 Arrays.sort(uidArr); 15200 } 15201 15202 // Process packages with valid entries. 15203 if (isMounted) { 15204 if (DEBUG_SD_INSTALL) 15205 Log.i(TAG, "Loading packages"); 15206 loadMediaPackages(processCids, uidArr); 15207 startCleaningPackages(); 15208 mInstallerService.onSecureContainersAvailable(); 15209 } else { 15210 if (DEBUG_SD_INSTALL) 15211 Log.i(TAG, "Unloading packages"); 15212 unloadMediaPackages(processCids, uidArr, reportStatus); 15213 } 15214 } 15215 15216 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15217 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15218 final int size = infos.size(); 15219 final String[] packageNames = new String[size]; 15220 final int[] packageUids = new int[size]; 15221 for (int i = 0; i < size; i++) { 15222 final ApplicationInfo info = infos.get(i); 15223 packageNames[i] = info.packageName; 15224 packageUids[i] = info.uid; 15225 } 15226 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15227 finishedReceiver); 15228 } 15229 15230 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15231 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15232 sendResourcesChangedBroadcast(mediaStatus, replacing, 15233 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15234 } 15235 15236 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15237 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15238 int size = pkgList.length; 15239 if (size > 0) { 15240 // Send broadcasts here 15241 Bundle extras = new Bundle(); 15242 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15243 if (uidArr != null) { 15244 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15245 } 15246 if (replacing) { 15247 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15248 } 15249 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15250 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15251 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15252 } 15253 } 15254 15255 /* 15256 * Look at potentially valid container ids from processCids If package 15257 * information doesn't match the one on record or package scanning fails, 15258 * the cid is added to list of removeCids. We currently don't delete stale 15259 * containers. 15260 */ 15261 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15262 ArrayList<String> pkgList = new ArrayList<String>(); 15263 Set<AsecInstallArgs> keys = processCids.keySet(); 15264 15265 for (AsecInstallArgs args : keys) { 15266 String codePath = processCids.get(args); 15267 if (DEBUG_SD_INSTALL) 15268 Log.i(TAG, "Loading container : " + args.cid); 15269 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15270 try { 15271 // Make sure there are no container errors first. 15272 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15273 Slog.e(TAG, "Failed to mount cid : " + args.cid 15274 + " when installing from sdcard"); 15275 continue; 15276 } 15277 // Check code path here. 15278 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15279 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15280 + " does not match one in settings " + codePath); 15281 continue; 15282 } 15283 // Parse package 15284 int parseFlags = mDefParseFlags; 15285 if (args.isExternalAsec()) { 15286 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15287 } 15288 if (args.isFwdLocked()) { 15289 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15290 } 15291 15292 synchronized (mInstallLock) { 15293 PackageParser.Package pkg = null; 15294 try { 15295 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15296 } catch (PackageManagerException e) { 15297 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15298 } 15299 // Scan the package 15300 if (pkg != null) { 15301 /* 15302 * TODO why is the lock being held? doPostInstall is 15303 * called in other places without the lock. This needs 15304 * to be straightened out. 15305 */ 15306 // writer 15307 synchronized (mPackages) { 15308 retCode = PackageManager.INSTALL_SUCCEEDED; 15309 pkgList.add(pkg.packageName); 15310 // Post process args 15311 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15312 pkg.applicationInfo.uid); 15313 } 15314 } else { 15315 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15316 } 15317 } 15318 15319 } finally { 15320 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15321 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15322 } 15323 } 15324 } 15325 // writer 15326 synchronized (mPackages) { 15327 // If the platform SDK has changed since the last time we booted, 15328 // we need to re-grant app permission to catch any new ones that 15329 // appear. This is really a hack, and means that apps can in some 15330 // cases get permissions that the user didn't initially explicitly 15331 // allow... it would be nice to have some better way to handle 15332 // this situation. 15333 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 15334 if (regrantPermissions) 15335 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 15336 + mSdkVersion + "; regranting permissions for external storage"); 15337 mSettings.mExternalSdkPlatform = mSdkVersion; 15338 15339 // Make sure group IDs have been assigned, and any permission 15340 // changes in other apps are accounted for 15341 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 15342 | (regrantPermissions 15343 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 15344 : 0)); 15345 15346 mSettings.updateExternalDatabaseVersion(); 15347 15348 // can downgrade to reader 15349 // Persist settings 15350 mSettings.writeLPr(); 15351 } 15352 // Send a broadcast to let everyone know we are done processing 15353 if (pkgList.size() > 0) { 15354 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15355 } 15356 } 15357 15358 /* 15359 * Utility method to unload a list of specified containers 15360 */ 15361 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15362 // Just unmount all valid containers. 15363 for (AsecInstallArgs arg : cidArgs) { 15364 synchronized (mInstallLock) { 15365 arg.doPostDeleteLI(false); 15366 } 15367 } 15368 } 15369 15370 /* 15371 * Unload packages mounted on external media. This involves deleting package 15372 * data from internal structures, sending broadcasts about diabled packages, 15373 * gc'ing to free up references, unmounting all secure containers 15374 * corresponding to packages on external media, and posting a 15375 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15376 * that we always have to post this message if status has been requested no 15377 * matter what. 15378 */ 15379 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15380 final boolean reportStatus) { 15381 if (DEBUG_SD_INSTALL) 15382 Log.i(TAG, "unloading media packages"); 15383 ArrayList<String> pkgList = new ArrayList<String>(); 15384 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15385 final Set<AsecInstallArgs> keys = processCids.keySet(); 15386 for (AsecInstallArgs args : keys) { 15387 String pkgName = args.getPackageName(); 15388 if (DEBUG_SD_INSTALL) 15389 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15390 // Delete package internally 15391 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15392 synchronized (mInstallLock) { 15393 boolean res = deletePackageLI(pkgName, null, false, null, null, 15394 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15395 if (res) { 15396 pkgList.add(pkgName); 15397 } else { 15398 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15399 failedList.add(args); 15400 } 15401 } 15402 } 15403 15404 // reader 15405 synchronized (mPackages) { 15406 // We didn't update the settings after removing each package; 15407 // write them now for all packages. 15408 mSettings.writeLPr(); 15409 } 15410 15411 // We have to absolutely send UPDATED_MEDIA_STATUS only 15412 // after confirming that all the receivers processed the ordered 15413 // broadcast when packages get disabled, force a gc to clean things up. 15414 // and unload all the containers. 15415 if (pkgList.size() > 0) { 15416 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15417 new IIntentReceiver.Stub() { 15418 public void performReceive(Intent intent, int resultCode, String data, 15419 Bundle extras, boolean ordered, boolean sticky, 15420 int sendingUser) throws RemoteException { 15421 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15422 reportStatus ? 1 : 0, 1, keys); 15423 mHandler.sendMessage(msg); 15424 } 15425 }); 15426 } else { 15427 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15428 keys); 15429 mHandler.sendMessage(msg); 15430 } 15431 } 15432 15433 private void loadPrivatePackages(VolumeInfo vol) { 15434 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15435 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15436 synchronized (mInstallLock) { 15437 synchronized (mPackages) { 15438 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15439 for (PackageSetting ps : packages) { 15440 final PackageParser.Package pkg; 15441 try { 15442 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15443 loaded.add(pkg.applicationInfo); 15444 } catch (PackageManagerException e) { 15445 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15446 } 15447 } 15448 15449 // TODO: regrant any permissions that changed based since original install 15450 15451 mSettings.writeLPr(); 15452 } 15453 } 15454 15455 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15456 sendResourcesChangedBroadcast(true, false, loaded, null); 15457 } 15458 15459 private void unloadPrivatePackages(VolumeInfo vol) { 15460 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15461 synchronized (mInstallLock) { 15462 synchronized (mPackages) { 15463 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15464 for (PackageSetting ps : packages) { 15465 if (ps.pkg == null) continue; 15466 15467 final ApplicationInfo info = ps.pkg.applicationInfo; 15468 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15469 if (deletePackageLI(ps.name, null, false, null, null, 15470 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15471 unloaded.add(info); 15472 } else { 15473 Slog.w(TAG, "Failed to unload " + ps.codePath); 15474 } 15475 } 15476 15477 mSettings.writeLPr(); 15478 } 15479 } 15480 15481 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15482 sendResourcesChangedBroadcast(false, false, unloaded, null); 15483 } 15484 15485 /** 15486 * Examine all users present on given mounted volume, and destroy data 15487 * belonging to users that are no longer valid, or whose user ID has been 15488 * recycled. 15489 */ 15490 private void reconcileUsers(String volumeUuid) { 15491 final File[] files = Environment.getDataUserDirectory(volumeUuid).listFiles(); 15492 if (ArrayUtils.isEmpty(files)) { 15493 Slog.d(TAG, "No users found on " + volumeUuid); 15494 return; 15495 } 15496 15497 for (File file : files) { 15498 if (!file.isDirectory()) continue; 15499 15500 final int userId; 15501 final UserInfo info; 15502 try { 15503 userId = Integer.parseInt(file.getName()); 15504 info = sUserManager.getUserInfo(userId); 15505 } catch (NumberFormatException e) { 15506 Slog.w(TAG, "Invalid user directory " + file); 15507 continue; 15508 } 15509 15510 boolean destroyUser = false; 15511 if (info == null) { 15512 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15513 + " because no matching user was found"); 15514 destroyUser = true; 15515 } else { 15516 try { 15517 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15518 } catch (IOException e) { 15519 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15520 + " because we failed to enforce serial number: " + e); 15521 destroyUser = true; 15522 } 15523 } 15524 15525 if (destroyUser) { 15526 synchronized (mInstallLock) { 15527 mInstaller.removeUserDataDirs(volumeUuid, userId); 15528 } 15529 } 15530 } 15531 15532 final UserManager um = mContext.getSystemService(UserManager.class); 15533 for (UserInfo user : um.getUsers()) { 15534 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15535 if (userDir.exists()) continue; 15536 15537 try { 15538 UserManagerService.prepareUserDirectory(userDir); 15539 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15540 } catch (IOException e) { 15541 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15542 } 15543 } 15544 } 15545 15546 /** 15547 * Examine all apps present on given mounted volume, and destroy apps that 15548 * aren't expected, either due to uninstallation or reinstallation on 15549 * another volume. 15550 */ 15551 private void reconcileApps(String volumeUuid) { 15552 final File[] files = Environment.getDataAppDirectory(volumeUuid).listFiles(); 15553 if (ArrayUtils.isEmpty(files)) { 15554 Slog.d(TAG, "No apps found on " + volumeUuid); 15555 return; 15556 } 15557 15558 for (File file : files) { 15559 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15560 && !PackageInstallerService.isStageName(file.getName()); 15561 if (!isPackage) { 15562 // Ignore entries which are not packages 15563 continue; 15564 } 15565 15566 boolean destroyApp = false; 15567 String packageName = null; 15568 try { 15569 final PackageLite pkg = PackageParser.parsePackageLite(file, 15570 PackageParser.PARSE_MUST_BE_APK); 15571 packageName = pkg.packageName; 15572 15573 synchronized (mPackages) { 15574 final PackageSetting ps = mSettings.mPackages.get(packageName); 15575 if (ps == null) { 15576 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15577 + volumeUuid + " because we found no install record"); 15578 destroyApp = true; 15579 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15580 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15581 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15582 destroyApp = true; 15583 } 15584 } 15585 15586 } catch (PackageParserException e) { 15587 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15588 destroyApp = true; 15589 } 15590 15591 if (destroyApp) { 15592 synchronized (mInstallLock) { 15593 if (packageName != null) { 15594 removeDataDirsLI(volumeUuid, packageName); 15595 } 15596 if (file.isDirectory()) { 15597 mInstaller.rmPackageDir(file.getAbsolutePath()); 15598 } else { 15599 file.delete(); 15600 } 15601 } 15602 } 15603 } 15604 } 15605 15606 private void unfreezePackage(String packageName) { 15607 synchronized (mPackages) { 15608 final PackageSetting ps = mSettings.mPackages.get(packageName); 15609 if (ps != null) { 15610 ps.frozen = false; 15611 } 15612 } 15613 } 15614 15615 @Override 15616 public int movePackage(final String packageName, final String volumeUuid) { 15617 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15618 15619 final int moveId = mNextMoveId.getAndIncrement(); 15620 try { 15621 movePackageInternal(packageName, volumeUuid, moveId); 15622 } catch (PackageManagerException e) { 15623 Slog.w(TAG, "Failed to move " + packageName, e); 15624 mMoveCallbacks.notifyStatusChanged(moveId, 15625 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15626 } 15627 return moveId; 15628 } 15629 15630 private void movePackageInternal(final String packageName, final String volumeUuid, 15631 final int moveId) throws PackageManagerException { 15632 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15633 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15634 final PackageManager pm = mContext.getPackageManager(); 15635 15636 final boolean currentAsec; 15637 final String currentVolumeUuid; 15638 final File codeFile; 15639 final String installerPackageName; 15640 final String packageAbiOverride; 15641 final int appId; 15642 final String seinfo; 15643 final String label; 15644 15645 // reader 15646 synchronized (mPackages) { 15647 final PackageParser.Package pkg = mPackages.get(packageName); 15648 final PackageSetting ps = mSettings.mPackages.get(packageName); 15649 if (pkg == null || ps == null) { 15650 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15651 } 15652 15653 if (pkg.applicationInfo.isSystemApp()) { 15654 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15655 "Cannot move system application"); 15656 } 15657 15658 if (Objects.equals(ps.volumeUuid, volumeUuid)) { 15659 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15660 "Package already moved to " + volumeUuid); 15661 } 15662 15663 final File probe = new File(pkg.codePath); 15664 final File probeOat = new File(probe, "oat"); 15665 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15666 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15667 "Move only supported for modern cluster style installs"); 15668 } 15669 15670 if (ps.frozen) { 15671 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 15672 "Failed to move already frozen package"); 15673 } 15674 ps.frozen = true; 15675 15676 currentAsec = pkg.applicationInfo.isForwardLocked() 15677 || pkg.applicationInfo.isExternalAsec(); 15678 currentVolumeUuid = ps.volumeUuid; 15679 codeFile = new File(pkg.codePath); 15680 installerPackageName = ps.installerPackageName; 15681 packageAbiOverride = ps.cpuAbiOverrideString; 15682 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15683 seinfo = pkg.applicationInfo.seinfo; 15684 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 15685 } 15686 15687 // Now that we're guarded by frozen state, kill app during move 15688 killApplication(packageName, appId, "move pkg"); 15689 15690 final Bundle extras = new Bundle(); 15691 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 15692 extras.putString(Intent.EXTRA_TITLE, label); 15693 mMoveCallbacks.notifyCreated(moveId, extras); 15694 15695 int installFlags; 15696 final boolean moveCompleteApp; 15697 final File measurePath; 15698 15699 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 15700 installFlags = INSTALL_INTERNAL; 15701 moveCompleteApp = !currentAsec; 15702 measurePath = Environment.getDataAppDirectory(volumeUuid); 15703 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 15704 installFlags = INSTALL_EXTERNAL; 15705 moveCompleteApp = false; 15706 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 15707 } else { 15708 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 15709 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 15710 || !volume.isMountedWritable()) { 15711 unfreezePackage(packageName); 15712 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15713 "Move location not mounted private volume"); 15714 } 15715 15716 Preconditions.checkState(!currentAsec); 15717 15718 installFlags = INSTALL_INTERNAL; 15719 moveCompleteApp = true; 15720 measurePath = Environment.getDataAppDirectory(volumeUuid); 15721 } 15722 15723 final PackageStats stats = new PackageStats(null, -1); 15724 synchronized (mInstaller) { 15725 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 15726 unfreezePackage(packageName); 15727 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15728 "Failed to measure package size"); 15729 } 15730 } 15731 15732 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 15733 + stats.dataSize); 15734 15735 final long startFreeBytes = measurePath.getFreeSpace(); 15736 final long sizeBytes; 15737 if (moveCompleteApp) { 15738 sizeBytes = stats.codeSize + stats.dataSize; 15739 } else { 15740 sizeBytes = stats.codeSize; 15741 } 15742 15743 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 15744 unfreezePackage(packageName); 15745 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15746 "Not enough free space to move"); 15747 } 15748 15749 mMoveCallbacks.notifyStatusChanged(moveId, 10); 15750 15751 final CountDownLatch installedLatch = new CountDownLatch(1); 15752 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 15753 @Override 15754 public void onUserActionRequired(Intent intent) throws RemoteException { 15755 throw new IllegalStateException(); 15756 } 15757 15758 @Override 15759 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 15760 Bundle extras) throws RemoteException { 15761 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 15762 + PackageManager.installStatusToString(returnCode, msg)); 15763 15764 installedLatch.countDown(); 15765 15766 // Regardless of success or failure of the move operation, 15767 // always unfreeze the package 15768 unfreezePackage(packageName); 15769 15770 final int status = PackageManager.installStatusToPublicStatus(returnCode); 15771 switch (status) { 15772 case PackageInstaller.STATUS_SUCCESS: 15773 mMoveCallbacks.notifyStatusChanged(moveId, 15774 PackageManager.MOVE_SUCCEEDED); 15775 break; 15776 case PackageInstaller.STATUS_FAILURE_STORAGE: 15777 mMoveCallbacks.notifyStatusChanged(moveId, 15778 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 15779 break; 15780 default: 15781 mMoveCallbacks.notifyStatusChanged(moveId, 15782 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15783 break; 15784 } 15785 } 15786 }; 15787 15788 final MoveInfo move; 15789 if (moveCompleteApp) { 15790 // Kick off a thread to report progress estimates 15791 new Thread() { 15792 @Override 15793 public void run() { 15794 while (true) { 15795 try { 15796 if (installedLatch.await(1, TimeUnit.SECONDS)) { 15797 break; 15798 } 15799 } catch (InterruptedException ignored) { 15800 } 15801 15802 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 15803 final int progress = 10 + (int) MathUtils.constrain( 15804 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 15805 mMoveCallbacks.notifyStatusChanged(moveId, progress); 15806 } 15807 } 15808 }.start(); 15809 15810 final String dataAppName = codeFile.getName(); 15811 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 15812 dataAppName, appId, seinfo); 15813 } else { 15814 move = null; 15815 } 15816 15817 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 15818 15819 final Message msg = mHandler.obtainMessage(INIT_COPY); 15820 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 15821 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 15822 installerPackageName, volumeUuid, null, user, packageAbiOverride); 15823 mHandler.sendMessage(msg); 15824 } 15825 15826 @Override 15827 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 15828 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15829 15830 final int realMoveId = mNextMoveId.getAndIncrement(); 15831 final Bundle extras = new Bundle(); 15832 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 15833 mMoveCallbacks.notifyCreated(realMoveId, extras); 15834 15835 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 15836 @Override 15837 public void onCreated(int moveId, Bundle extras) { 15838 // Ignored 15839 } 15840 15841 @Override 15842 public void onStatusChanged(int moveId, int status, long estMillis) { 15843 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 15844 } 15845 }; 15846 15847 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15848 storage.setPrimaryStorageUuid(volumeUuid, callback); 15849 return realMoveId; 15850 } 15851 15852 @Override 15853 public int getMoveStatus(int moveId) { 15854 mContext.enforceCallingOrSelfPermission( 15855 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 15856 return mMoveCallbacks.mLastStatus.get(moveId); 15857 } 15858 15859 @Override 15860 public void registerMoveCallback(IPackageMoveObserver callback) { 15861 mContext.enforceCallingOrSelfPermission( 15862 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 15863 mMoveCallbacks.register(callback); 15864 } 15865 15866 @Override 15867 public void unregisterMoveCallback(IPackageMoveObserver callback) { 15868 mContext.enforceCallingOrSelfPermission( 15869 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 15870 mMoveCallbacks.unregister(callback); 15871 } 15872 15873 @Override 15874 public boolean setInstallLocation(int loc) { 15875 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 15876 null); 15877 if (getInstallLocation() == loc) { 15878 return true; 15879 } 15880 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 15881 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 15882 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 15883 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 15884 return true; 15885 } 15886 return false; 15887 } 15888 15889 @Override 15890 public int getInstallLocation() { 15891 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 15892 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 15893 PackageHelper.APP_INSTALL_AUTO); 15894 } 15895 15896 /** Called by UserManagerService */ 15897 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 15898 mDirtyUsers.remove(userHandle); 15899 mSettings.removeUserLPw(userHandle); 15900 mPendingBroadcasts.remove(userHandle); 15901 if (mInstaller != null) { 15902 // Technically, we shouldn't be doing this with the package lock 15903 // held. However, this is very rare, and there is already so much 15904 // other disk I/O going on, that we'll let it slide for now. 15905 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15906 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 15907 final String volumeUuid = vol.getFsUuid(); 15908 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 15909 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 15910 } 15911 } 15912 mUserNeedsBadging.delete(userHandle); 15913 removeUnusedPackagesLILPw(userManager, userHandle); 15914 } 15915 15916 /** 15917 * We're removing userHandle and would like to remove any downloaded packages 15918 * that are no longer in use by any other user. 15919 * @param userHandle the user being removed 15920 */ 15921 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 15922 final boolean DEBUG_CLEAN_APKS = false; 15923 int [] users = userManager.getUserIdsLPr(); 15924 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 15925 while (psit.hasNext()) { 15926 PackageSetting ps = psit.next(); 15927 if (ps.pkg == null) { 15928 continue; 15929 } 15930 final String packageName = ps.pkg.packageName; 15931 // Skip over if system app 15932 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 15933 continue; 15934 } 15935 if (DEBUG_CLEAN_APKS) { 15936 Slog.i(TAG, "Checking package " + packageName); 15937 } 15938 boolean keep = false; 15939 for (int i = 0; i < users.length; i++) { 15940 if (users[i] != userHandle && ps.getInstalled(users[i])) { 15941 keep = true; 15942 if (DEBUG_CLEAN_APKS) { 15943 Slog.i(TAG, " Keeping package " + packageName + " for user " 15944 + users[i]); 15945 } 15946 break; 15947 } 15948 } 15949 if (!keep) { 15950 if (DEBUG_CLEAN_APKS) { 15951 Slog.i(TAG, " Removing package " + packageName); 15952 } 15953 mHandler.post(new Runnable() { 15954 public void run() { 15955 deletePackageX(packageName, userHandle, 0); 15956 } //end run 15957 }); 15958 } 15959 } 15960 } 15961 15962 /** Called by UserManagerService */ 15963 void createNewUserLILPw(int userHandle) { 15964 if (mInstaller != null) { 15965 mInstaller.createUserConfig(userHandle); 15966 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 15967 applyFactoryDefaultBrowserLPw(userHandle); 15968 primeDomainVerificationsLPw(userHandle); 15969 } 15970 } 15971 15972 void newUserCreated(final int userHandle) { 15973 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 15974 } 15975 15976 @Override 15977 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 15978 mContext.enforceCallingOrSelfPermission( 15979 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15980 "Only package verification agents can read the verifier device identity"); 15981 15982 synchronized (mPackages) { 15983 return mSettings.getVerifierDeviceIdentityLPw(); 15984 } 15985 } 15986 15987 @Override 15988 public void setPermissionEnforced(String permission, boolean enforced) { 15989 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 15990 if (READ_EXTERNAL_STORAGE.equals(permission)) { 15991 synchronized (mPackages) { 15992 if (mSettings.mReadExternalStorageEnforced == null 15993 || mSettings.mReadExternalStorageEnforced != enforced) { 15994 mSettings.mReadExternalStorageEnforced = enforced; 15995 mSettings.writeLPr(); 15996 } 15997 } 15998 // kill any non-foreground processes so we restart them and 15999 // grant/revoke the GID. 16000 final IActivityManager am = ActivityManagerNative.getDefault(); 16001 if (am != null) { 16002 final long token = Binder.clearCallingIdentity(); 16003 try { 16004 am.killProcessesBelowForeground("setPermissionEnforcement"); 16005 } catch (RemoteException e) { 16006 } finally { 16007 Binder.restoreCallingIdentity(token); 16008 } 16009 } 16010 } else { 16011 throw new IllegalArgumentException("No selective enforcement for " + permission); 16012 } 16013 } 16014 16015 @Override 16016 @Deprecated 16017 public boolean isPermissionEnforced(String permission) { 16018 return true; 16019 } 16020 16021 @Override 16022 public boolean isStorageLow() { 16023 final long token = Binder.clearCallingIdentity(); 16024 try { 16025 final DeviceStorageMonitorInternal 16026 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16027 if (dsm != null) { 16028 return dsm.isMemoryLow(); 16029 } else { 16030 return false; 16031 } 16032 } finally { 16033 Binder.restoreCallingIdentity(token); 16034 } 16035 } 16036 16037 @Override 16038 public IPackageInstaller getPackageInstaller() { 16039 return mInstallerService; 16040 } 16041 16042 private boolean userNeedsBadging(int userId) { 16043 int index = mUserNeedsBadging.indexOfKey(userId); 16044 if (index < 0) { 16045 final UserInfo userInfo; 16046 final long token = Binder.clearCallingIdentity(); 16047 try { 16048 userInfo = sUserManager.getUserInfo(userId); 16049 } finally { 16050 Binder.restoreCallingIdentity(token); 16051 } 16052 final boolean b; 16053 if (userInfo != null && userInfo.isManagedProfile()) { 16054 b = true; 16055 } else { 16056 b = false; 16057 } 16058 mUserNeedsBadging.put(userId, b); 16059 return b; 16060 } 16061 return mUserNeedsBadging.valueAt(index); 16062 } 16063 16064 @Override 16065 public KeySet getKeySetByAlias(String packageName, String alias) { 16066 if (packageName == null || alias == null) { 16067 return null; 16068 } 16069 synchronized(mPackages) { 16070 final PackageParser.Package pkg = mPackages.get(packageName); 16071 if (pkg == null) { 16072 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16073 throw new IllegalArgumentException("Unknown package: " + packageName); 16074 } 16075 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16076 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16077 } 16078 } 16079 16080 @Override 16081 public KeySet getSigningKeySet(String packageName) { 16082 if (packageName == null) { 16083 return null; 16084 } 16085 synchronized(mPackages) { 16086 final PackageParser.Package pkg = mPackages.get(packageName); 16087 if (pkg == null) { 16088 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16089 throw new IllegalArgumentException("Unknown package: " + packageName); 16090 } 16091 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16092 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16093 throw new SecurityException("May not access signing KeySet of other apps."); 16094 } 16095 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16096 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16097 } 16098 } 16099 16100 @Override 16101 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16102 if (packageName == null || ks == null) { 16103 return false; 16104 } 16105 synchronized(mPackages) { 16106 final PackageParser.Package pkg = mPackages.get(packageName); 16107 if (pkg == null) { 16108 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16109 throw new IllegalArgumentException("Unknown package: " + packageName); 16110 } 16111 IBinder ksh = ks.getToken(); 16112 if (ksh instanceof KeySetHandle) { 16113 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16114 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16115 } 16116 return false; 16117 } 16118 } 16119 16120 @Override 16121 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16122 if (packageName == null || ks == null) { 16123 return false; 16124 } 16125 synchronized(mPackages) { 16126 final PackageParser.Package pkg = mPackages.get(packageName); 16127 if (pkg == null) { 16128 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16129 throw new IllegalArgumentException("Unknown package: " + packageName); 16130 } 16131 IBinder ksh = ks.getToken(); 16132 if (ksh instanceof KeySetHandle) { 16133 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16134 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16135 } 16136 return false; 16137 } 16138 } 16139 16140 public void getUsageStatsIfNoPackageUsageInfo() { 16141 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16142 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16143 if (usm == null) { 16144 throw new IllegalStateException("UsageStatsManager must be initialized"); 16145 } 16146 long now = System.currentTimeMillis(); 16147 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16148 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16149 String packageName = entry.getKey(); 16150 PackageParser.Package pkg = mPackages.get(packageName); 16151 if (pkg == null) { 16152 continue; 16153 } 16154 UsageStats usage = entry.getValue(); 16155 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16156 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16157 } 16158 } 16159 } 16160 16161 /** 16162 * Check and throw if the given before/after packages would be considered a 16163 * downgrade. 16164 */ 16165 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16166 throws PackageManagerException { 16167 if (after.versionCode < before.mVersionCode) { 16168 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16169 "Update version code " + after.versionCode + " is older than current " 16170 + before.mVersionCode); 16171 } else if (after.versionCode == before.mVersionCode) { 16172 if (after.baseRevisionCode < before.baseRevisionCode) { 16173 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16174 "Update base revision code " + after.baseRevisionCode 16175 + " is older than current " + before.baseRevisionCode); 16176 } 16177 16178 if (!ArrayUtils.isEmpty(after.splitNames)) { 16179 for (int i = 0; i < after.splitNames.length; i++) { 16180 final String splitName = after.splitNames[i]; 16181 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16182 if (j != -1) { 16183 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16184 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16185 "Update split " + splitName + " revision code " 16186 + after.splitRevisionCodes[i] + " is older than current " 16187 + before.splitRevisionCodes[j]); 16188 } 16189 } 16190 } 16191 } 16192 } 16193 } 16194 16195 private static class MoveCallbacks extends Handler { 16196 private static final int MSG_CREATED = 1; 16197 private static final int MSG_STATUS_CHANGED = 2; 16198 16199 private final RemoteCallbackList<IPackageMoveObserver> 16200 mCallbacks = new RemoteCallbackList<>(); 16201 16202 private final SparseIntArray mLastStatus = new SparseIntArray(); 16203 16204 public MoveCallbacks(Looper looper) { 16205 super(looper); 16206 } 16207 16208 public void register(IPackageMoveObserver callback) { 16209 mCallbacks.register(callback); 16210 } 16211 16212 public void unregister(IPackageMoveObserver callback) { 16213 mCallbacks.unregister(callback); 16214 } 16215 16216 @Override 16217 public void handleMessage(Message msg) { 16218 final SomeArgs args = (SomeArgs) msg.obj; 16219 final int n = mCallbacks.beginBroadcast(); 16220 for (int i = 0; i < n; i++) { 16221 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16222 try { 16223 invokeCallback(callback, msg.what, args); 16224 } catch (RemoteException ignored) { 16225 } 16226 } 16227 mCallbacks.finishBroadcast(); 16228 args.recycle(); 16229 } 16230 16231 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16232 throws RemoteException { 16233 switch (what) { 16234 case MSG_CREATED: { 16235 callback.onCreated(args.argi1, (Bundle) args.arg2); 16236 break; 16237 } 16238 case MSG_STATUS_CHANGED: { 16239 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16240 break; 16241 } 16242 } 16243 } 16244 16245 private void notifyCreated(int moveId, Bundle extras) { 16246 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16247 16248 final SomeArgs args = SomeArgs.obtain(); 16249 args.argi1 = moveId; 16250 args.arg2 = extras; 16251 obtainMessage(MSG_CREATED, args).sendToTarget(); 16252 } 16253 16254 private void notifyStatusChanged(int moveId, int status) { 16255 notifyStatusChanged(moveId, status, -1); 16256 } 16257 16258 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16259 Slog.v(TAG, "Move " + moveId + " status " + status); 16260 16261 final SomeArgs args = SomeArgs.obtain(); 16262 args.argi1 = moveId; 16263 args.argi2 = status; 16264 args.arg3 = estMillis; 16265 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16266 16267 synchronized (mLastStatus) { 16268 mLastStatus.put(moveId, status); 16269 } 16270 } 16271 } 16272 16273 private final class OnPermissionChangeListeners extends Handler { 16274 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16275 16276 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16277 new RemoteCallbackList<>(); 16278 16279 public OnPermissionChangeListeners(Looper looper) { 16280 super(looper); 16281 } 16282 16283 @Override 16284 public void handleMessage(Message msg) { 16285 switch (msg.what) { 16286 case MSG_ON_PERMISSIONS_CHANGED: { 16287 final int uid = msg.arg1; 16288 handleOnPermissionsChanged(uid); 16289 } break; 16290 } 16291 } 16292 16293 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16294 mPermissionListeners.register(listener); 16295 16296 } 16297 16298 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16299 mPermissionListeners.unregister(listener); 16300 } 16301 16302 public void onPermissionsChanged(int uid) { 16303 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16304 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16305 } 16306 } 16307 16308 private void handleOnPermissionsChanged(int uid) { 16309 final int count = mPermissionListeners.beginBroadcast(); 16310 try { 16311 for (int i = 0; i < count; i++) { 16312 IOnPermissionsChangeListener callback = mPermissionListeners 16313 .getBroadcastItem(i); 16314 try { 16315 callback.onPermissionsChanged(uid); 16316 } catch (RemoteException e) { 16317 Log.e(TAG, "Permission listener is dead", e); 16318 } 16319 } 16320 } finally { 16321 mPermissionListeners.finishBroadcast(); 16322 } 16323 } 16324 } 16325 16326 private class PackageManagerInternalImpl extends PackageManagerInternal { 16327 @Override 16328 public void setLocationPackagesProvider(PackagesProvider provider) { 16329 synchronized (mPackages) { 16330 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16331 } 16332 } 16333 16334 @Override 16335 public void setImePackagesProvider(PackagesProvider provider) { 16336 synchronized (mPackages) { 16337 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16338 } 16339 } 16340 16341 @Override 16342 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16343 synchronized (mPackages) { 16344 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16345 } 16346 } 16347 16348 @Override 16349 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16350 synchronized (mPackages) { 16351 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16352 } 16353 } 16354 16355 @Override 16356 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16357 synchronized (mPackages) { 16358 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16359 } 16360 } 16361 16362 @Override 16363 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16364 synchronized (mPackages) { 16365 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderrLPw(provider); 16366 } 16367 } 16368 16369 @Override 16370 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16371 synchronized (mPackages) { 16372 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16373 packageName, userId); 16374 } 16375 } 16376 16377 @Override 16378 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16379 synchronized (mPackages) { 16380 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16381 packageName, userId); 16382 } 16383 } 16384 } 16385 16386 @Override 16387 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16388 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16389 synchronized (mPackages) { 16390 final long identity = Binder.clearCallingIdentity(); 16391 try { 16392 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16393 packageNames, userId); 16394 } finally { 16395 Binder.restoreCallingIdentity(identity); 16396 } 16397 } 16398 } 16399 16400 private static void enforceSystemOrPhoneCaller(String tag) { 16401 int callingUid = Binder.getCallingUid(); 16402 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16403 throw new SecurityException( 16404 "Cannot call " + tag + " from UID " + callingUid); 16405 } 16406 } 16407} 16408