PackageManagerService.java revision bbcb3312050dc89385e70e96fee7d88fbcb4e794
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 33import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 34import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 35import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 36import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 43import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 44import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 45import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 48import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 52import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 53import static android.content.pm.PackageManager.INSTALL_INTERNAL; 54import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 55import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 60import static android.content.pm.PackageManager.MATCH_ALL; 61import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 62import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 63import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 64import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 65import static android.content.pm.PackageManager.PERMISSION_DENIED; 66import static android.content.pm.PackageManager.PERMISSION_GRANTED; 67import static android.content.pm.PackageParser.isApkFile; 68import static android.os.Process.PACKAGE_INFO_GID; 69import static android.os.Process.SYSTEM_UID; 70import static android.system.OsConstants.O_CREAT; 71import static android.system.OsConstants.O_RDWR; 72import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 73import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 74import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 75import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 76import static com.android.internal.util.ArrayUtils.appendInt; 77import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 78import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 79import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 80import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 81import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 82import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 83import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 84import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 85 86import android.Manifest; 87import android.app.ActivityManager; 88import android.app.ActivityManagerNative; 89import android.app.AppGlobals; 90import android.app.IActivityManager; 91import android.app.admin.IDevicePolicyManager; 92import android.app.backup.IBackupManager; 93import android.app.usage.UsageStats; 94import android.app.usage.UsageStatsManager; 95import android.content.BroadcastReceiver; 96import android.content.ComponentName; 97import android.content.Context; 98import android.content.IIntentReceiver; 99import android.content.Intent; 100import android.content.IntentFilter; 101import android.content.IntentSender; 102import android.content.IntentSender.SendIntentException; 103import android.content.ServiceConnection; 104import android.content.pm.ActivityInfo; 105import android.content.pm.ApplicationInfo; 106import android.content.pm.FeatureInfo; 107import android.content.pm.IOnPermissionsChangeListener; 108import android.content.pm.IPackageDataObserver; 109import android.content.pm.IPackageDeleteObserver; 110import android.content.pm.IPackageDeleteObserver2; 111import android.content.pm.IPackageInstallObserver2; 112import android.content.pm.IPackageInstaller; 113import android.content.pm.IPackageManager; 114import android.content.pm.IPackageMoveObserver; 115import android.content.pm.IPackageStatsObserver; 116import android.content.pm.InstrumentationInfo; 117import android.content.pm.IntentFilterVerificationInfo; 118import android.content.pm.KeySet; 119import android.content.pm.ManifestDigest; 120import android.content.pm.PackageCleanItem; 121import android.content.pm.PackageInfo; 122import android.content.pm.PackageInfoLite; 123import android.content.pm.PackageInstaller; 124import android.content.pm.PackageManager; 125import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 126import android.content.pm.PackageManagerInternal; 127import android.content.pm.PackageParser; 128import android.content.pm.PackageParser.ActivityIntentInfo; 129import android.content.pm.PackageParser.PackageLite; 130import android.content.pm.PackageParser.PackageParserException; 131import android.content.pm.PackageStats; 132import android.content.pm.PackageUserState; 133import android.content.pm.ParceledListSlice; 134import android.content.pm.PermissionGroupInfo; 135import android.content.pm.PermissionInfo; 136import android.content.pm.ProviderInfo; 137import android.content.pm.ResolveInfo; 138import android.content.pm.ServiceInfo; 139import android.content.pm.Signature; 140import android.content.pm.UserInfo; 141import android.content.pm.VerificationParams; 142import android.content.pm.VerifierDeviceIdentity; 143import android.content.pm.VerifierInfo; 144import android.content.res.Resources; 145import android.hardware.display.DisplayManager; 146import android.net.Uri; 147import android.os.Debug; 148import android.os.Binder; 149import android.os.Build; 150import android.os.Bundle; 151import android.os.Environment; 152import android.os.Environment.UserEnvironment; 153import android.os.FileUtils; 154import android.os.Handler; 155import android.os.IBinder; 156import android.os.Looper; 157import android.os.Message; 158import android.os.Parcel; 159import android.os.ParcelFileDescriptor; 160import android.os.Process; 161import android.os.RemoteCallbackList; 162import android.os.RemoteException; 163import android.os.SELinux; 164import android.os.ServiceManager; 165import android.os.SystemClock; 166import android.os.SystemProperties; 167import android.os.UserHandle; 168import android.os.UserManager; 169import android.os.storage.IMountService; 170import android.os.storage.MountServiceInternal; 171import android.os.storage.StorageEventListener; 172import android.os.storage.StorageManager; 173import android.os.storage.VolumeInfo; 174import android.os.storage.VolumeRecord; 175import android.security.KeyStore; 176import android.security.SystemKeyStore; 177import android.system.ErrnoException; 178import android.system.Os; 179import android.system.StructStat; 180import android.text.TextUtils; 181import android.text.format.DateUtils; 182import android.util.ArrayMap; 183import android.util.ArraySet; 184import android.util.AtomicFile; 185import android.util.DisplayMetrics; 186import android.util.EventLog; 187import android.util.ExceptionUtils; 188import android.util.Log; 189import android.util.LogPrinter; 190import android.util.MathUtils; 191import android.util.PrintStreamPrinter; 192import android.util.Slog; 193import android.util.SparseArray; 194import android.util.SparseBooleanArray; 195import android.util.SparseIntArray; 196import android.util.Xml; 197import android.view.Display; 198 199import dalvik.system.DexFile; 200import dalvik.system.VMRuntime; 201 202import libcore.io.IoUtils; 203import libcore.util.EmptyArray; 204 205import com.android.internal.R; 206import com.android.internal.annotations.GuardedBy; 207import com.android.internal.app.IMediaContainerService; 208import com.android.internal.app.ResolverActivity; 209import com.android.internal.content.NativeLibraryHelper; 210import com.android.internal.content.PackageHelper; 211import com.android.internal.os.IParcelFileDescriptorFactory; 212import com.android.internal.os.SomeArgs; 213import com.android.internal.os.Zygote; 214import com.android.internal.util.ArrayUtils; 215import com.android.internal.util.FastPrintWriter; 216import com.android.internal.util.FastXmlSerializer; 217import com.android.internal.util.IndentingPrintWriter; 218import com.android.internal.util.Preconditions; 219import com.android.server.EventLogTags; 220import com.android.server.FgThread; 221import com.android.server.IntentResolver; 222import com.android.server.LocalServices; 223import com.android.server.ServiceThread; 224import com.android.server.SystemConfig; 225import com.android.server.Watchdog; 226import com.android.server.pm.PermissionsState.PermissionState; 227import com.android.server.pm.Settings.DatabaseVersion; 228import com.android.server.pm.Settings.VersionInfo; 229import com.android.server.storage.DeviceStorageMonitorInternal; 230 231import org.xmlpull.v1.XmlPullParser; 232import org.xmlpull.v1.XmlPullParserException; 233import org.xmlpull.v1.XmlSerializer; 234 235import java.io.BufferedInputStream; 236import java.io.BufferedOutputStream; 237import java.io.BufferedReader; 238import java.io.ByteArrayInputStream; 239import java.io.ByteArrayOutputStream; 240import java.io.File; 241import java.io.FileDescriptor; 242import java.io.FileNotFoundException; 243import java.io.FileOutputStream; 244import java.io.FileReader; 245import java.io.FilenameFilter; 246import java.io.IOException; 247import java.io.InputStream; 248import java.io.PrintWriter; 249import java.nio.charset.StandardCharsets; 250import java.security.NoSuchAlgorithmException; 251import java.security.PublicKey; 252import java.security.cert.CertificateEncodingException; 253import java.security.cert.CertificateException; 254import java.text.SimpleDateFormat; 255import java.util.ArrayList; 256import java.util.Arrays; 257import java.util.Collection; 258import java.util.Collections; 259import java.util.Comparator; 260import java.util.Date; 261import java.util.Iterator; 262import java.util.List; 263import java.util.Map; 264import java.util.Objects; 265import java.util.Set; 266import java.util.concurrent.CountDownLatch; 267import java.util.concurrent.TimeUnit; 268import java.util.concurrent.atomic.AtomicBoolean; 269import java.util.concurrent.atomic.AtomicInteger; 270import java.util.concurrent.atomic.AtomicLong; 271 272/** 273 * Keep track of all those .apks everywhere. 274 * 275 * This is very central to the platform's security; please run the unit 276 * tests whenever making modifications here: 277 * 278mmm frameworks/base/tests/AndroidTests 279adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 280adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 281 * 282 * {@hide} 283 */ 284public class PackageManagerService extends IPackageManager.Stub { 285 static final String TAG = "PackageManager"; 286 static final boolean DEBUG_SETTINGS = false; 287 static final boolean DEBUG_PREFERRED = false; 288 static final boolean DEBUG_UPGRADE = false; 289 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 290 private static final boolean DEBUG_BACKUP = false; 291 private static final boolean DEBUG_INSTALL = false; 292 private static final boolean DEBUG_REMOVE = false; 293 private static final boolean DEBUG_BROADCASTS = false; 294 private static final boolean DEBUG_SHOW_INFO = false; 295 private static final boolean DEBUG_PACKAGE_INFO = false; 296 private static final boolean DEBUG_INTENT_MATCHING = false; 297 private static final boolean DEBUG_PACKAGE_SCANNING = false; 298 private static final boolean DEBUG_VERIFY = false; 299 private static final boolean DEBUG_DEXOPT = false; 300 private static final boolean DEBUG_ABI_SELECTION = false; 301 302 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 303 304 private static final int RADIO_UID = Process.PHONE_UID; 305 private static final int LOG_UID = Process.LOG_UID; 306 private static final int NFC_UID = Process.NFC_UID; 307 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 308 private static final int SHELL_UID = Process.SHELL_UID; 309 310 // Cap the size of permission trees that 3rd party apps can define 311 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 312 313 // Suffix used during package installation when copying/moving 314 // package apks to install directory. 315 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 316 317 static final int SCAN_NO_DEX = 1<<1; 318 static final int SCAN_FORCE_DEX = 1<<2; 319 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 320 static final int SCAN_NEW_INSTALL = 1<<4; 321 static final int SCAN_NO_PATHS = 1<<5; 322 static final int SCAN_UPDATE_TIME = 1<<6; 323 static final int SCAN_DEFER_DEX = 1<<7; 324 static final int SCAN_BOOTING = 1<<8; 325 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 326 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 327 static final int SCAN_REPLACING = 1<<11; 328 static final int SCAN_REQUIRE_KNOWN = 1<<12; 329 static final int SCAN_MOVE = 1<<13; 330 static final int SCAN_INITIAL = 1<<14; 331 332 static final int REMOVE_CHATTY = 1<<16; 333 334 private static final int[] EMPTY_INT_ARRAY = new int[0]; 335 336 /** 337 * Timeout (in milliseconds) after which the watchdog should declare that 338 * our handler thread is wedged. The usual default for such things is one 339 * minute but we sometimes do very lengthy I/O operations on this thread, 340 * such as installing multi-gigabyte applications, so ours needs to be longer. 341 */ 342 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 343 344 /** 345 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 346 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 347 * settings entry if available, otherwise we use the hardcoded default. If it's been 348 * more than this long since the last fstrim, we force one during the boot sequence. 349 * 350 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 351 * one gets run at the next available charging+idle time. This final mandatory 352 * no-fstrim check kicks in only of the other scheduling criteria is never met. 353 */ 354 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 355 356 /** 357 * Whether verification is enabled by default. 358 */ 359 private static final boolean DEFAULT_VERIFY_ENABLE = true; 360 361 /** 362 * The default maximum time to wait for the verification agent to return in 363 * milliseconds. 364 */ 365 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 366 367 /** 368 * The default response for package verification timeout. 369 * 370 * This can be either PackageManager.VERIFICATION_ALLOW or 371 * PackageManager.VERIFICATION_REJECT. 372 */ 373 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 374 375 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 376 377 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 378 DEFAULT_CONTAINER_PACKAGE, 379 "com.android.defcontainer.DefaultContainerService"); 380 381 private static final String KILL_APP_REASON_GIDS_CHANGED = 382 "permission grant or revoke changed gids"; 383 384 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 385 "permissions revoked"; 386 387 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 388 389 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 390 391 /** Permission grant: not grant the permission. */ 392 private static final int GRANT_DENIED = 1; 393 394 /** Permission grant: grant the permission as an install permission. */ 395 private static final int GRANT_INSTALL = 2; 396 397 /** Permission grant: grant the permission as an install permission for a legacy app. */ 398 private static final int GRANT_INSTALL_LEGACY = 3; 399 400 /** Permission grant: grant the permission as a runtime one. */ 401 private static final int GRANT_RUNTIME = 4; 402 403 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 404 private static final int GRANT_UPGRADE = 5; 405 406 /** Canonical intent used to identify what counts as a "web browser" app */ 407 private static final Intent sBrowserIntent; 408 static { 409 sBrowserIntent = new Intent(); 410 sBrowserIntent.setAction(Intent.ACTION_VIEW); 411 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 412 sBrowserIntent.setData(Uri.parse("http:")); 413 } 414 415 final ServiceThread mHandlerThread; 416 417 final PackageHandler mHandler; 418 419 /** 420 * Messages for {@link #mHandler} that need to wait for system ready before 421 * being dispatched. 422 */ 423 private ArrayList<Message> mPostSystemReadyMessages; 424 425 final int mSdkVersion = Build.VERSION.SDK_INT; 426 427 final Context mContext; 428 final boolean mFactoryTest; 429 final boolean mOnlyCore; 430 final boolean mLazyDexOpt; 431 final long mDexOptLRUThresholdInMills; 432 final DisplayMetrics mMetrics; 433 final int mDefParseFlags; 434 final String[] mSeparateProcesses; 435 final boolean mIsUpgrade; 436 437 // This is where all application persistent data goes. 438 final File mAppDataDir; 439 440 // This is where all application persistent data goes for secondary users. 441 final File mUserAppDataDir; 442 443 /** The location for ASEC container files on internal storage. */ 444 final String mAsecInternalPath; 445 446 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 447 // LOCK HELD. Can be called with mInstallLock held. 448 @GuardedBy("mInstallLock") 449 final Installer mInstaller; 450 451 /** Directory where installed third-party apps stored */ 452 final File mAppInstallDir; 453 454 /** 455 * Directory to which applications installed internally have their 456 * 32 bit native libraries copied. 457 */ 458 private File mAppLib32InstallDir; 459 460 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 461 // apps. 462 final File mDrmAppPrivateInstallDir; 463 464 // ---------------------------------------------------------------- 465 466 // Lock for state used when installing and doing other long running 467 // operations. Methods that must be called with this lock held have 468 // the suffix "LI". 469 final Object mInstallLock = new Object(); 470 471 // ---------------------------------------------------------------- 472 473 // Keys are String (package name), values are Package. This also serves 474 // as the lock for the global state. Methods that must be called with 475 // this lock held have the prefix "LP". 476 @GuardedBy("mPackages") 477 final ArrayMap<String, PackageParser.Package> mPackages = 478 new ArrayMap<String, PackageParser.Package>(); 479 480 // Tracks available target package names -> overlay package paths. 481 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 482 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 483 484 /** 485 * Tracks new system packages [received in an OTA] that we expect to 486 * find updated user-installed versions. Keys are package name, values 487 * are package location. 488 */ 489 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 490 491 /** 492 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 493 */ 494 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 495 /** 496 * Whether or not system app permissions should be promoted from install to runtime. 497 */ 498 boolean mPromoteSystemApps; 499 500 final Settings mSettings; 501 boolean mRestoredSettings; 502 503 // System configuration read by SystemConfig. 504 final int[] mGlobalGids; 505 final SparseArray<ArraySet<String>> mSystemPermissions; 506 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 507 508 // If mac_permissions.xml was found for seinfo labeling. 509 boolean mFoundPolicyFile; 510 511 // If a recursive restorecon of /data/data/<pkg> is needed. 512 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 513 514 public static final class SharedLibraryEntry { 515 public final String path; 516 public final String apk; 517 518 SharedLibraryEntry(String _path, String _apk) { 519 path = _path; 520 apk = _apk; 521 } 522 } 523 524 // Currently known shared libraries. 525 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 526 new ArrayMap<String, SharedLibraryEntry>(); 527 528 // All available activities, for your resolving pleasure. 529 final ActivityIntentResolver mActivities = 530 new ActivityIntentResolver(); 531 532 // All available receivers, for your resolving pleasure. 533 final ActivityIntentResolver mReceivers = 534 new ActivityIntentResolver(); 535 536 // All available services, for your resolving pleasure. 537 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 538 539 // All available providers, for your resolving pleasure. 540 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 541 542 // Mapping from provider base names (first directory in content URI codePath) 543 // to the provider information. 544 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 545 new ArrayMap<String, PackageParser.Provider>(); 546 547 // Mapping from instrumentation class names to info about them. 548 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 549 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 550 551 // Mapping from permission names to info about them. 552 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 553 new ArrayMap<String, PackageParser.PermissionGroup>(); 554 555 // Packages whose data we have transfered into another package, thus 556 // should no longer exist. 557 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 558 559 // Broadcast actions that are only available to the system. 560 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 561 562 /** List of packages waiting for verification. */ 563 final SparseArray<PackageVerificationState> mPendingVerification 564 = new SparseArray<PackageVerificationState>(); 565 566 /** Set of packages associated with each app op permission. */ 567 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 568 569 final PackageInstallerService mInstallerService; 570 571 private final PackageDexOptimizer mPackageDexOptimizer; 572 573 private AtomicInteger mNextMoveId = new AtomicInteger(); 574 private final MoveCallbacks mMoveCallbacks; 575 576 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 577 578 // Cache of users who need badging. 579 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 580 581 /** Token for keys in mPendingVerification. */ 582 private int mPendingVerificationToken = 0; 583 584 volatile boolean mSystemReady; 585 volatile boolean mSafeMode; 586 volatile boolean mHasSystemUidErrors; 587 588 ApplicationInfo mAndroidApplication; 589 final ActivityInfo mResolveActivity = new ActivityInfo(); 590 final ResolveInfo mResolveInfo = new ResolveInfo(); 591 ComponentName mResolveComponentName; 592 PackageParser.Package mPlatformPackage; 593 ComponentName mCustomResolverComponentName; 594 595 boolean mResolverReplaced = false; 596 597 private final ComponentName mIntentFilterVerifierComponent; 598 private int mIntentFilterVerificationToken = 0; 599 600 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 601 = new SparseArray<IntentFilterVerificationState>(); 602 603 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 604 new DefaultPermissionGrantPolicy(this); 605 606 private static class IFVerificationParams { 607 PackageParser.Package pkg; 608 boolean replacing; 609 int userId; 610 int verifierUid; 611 612 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 613 int _userId, int _verifierUid) { 614 pkg = _pkg; 615 replacing = _replacing; 616 userId = _userId; 617 replacing = _replacing; 618 verifierUid = _verifierUid; 619 } 620 } 621 622 private interface IntentFilterVerifier<T extends IntentFilter> { 623 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 624 T filter, String packageName); 625 void startVerifications(int userId); 626 void receiveVerificationResponse(int verificationId); 627 } 628 629 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 630 private Context mContext; 631 private ComponentName mIntentFilterVerifierComponent; 632 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 633 634 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 635 mContext = context; 636 mIntentFilterVerifierComponent = verifierComponent; 637 } 638 639 private String getDefaultScheme() { 640 return IntentFilter.SCHEME_HTTPS; 641 } 642 643 @Override 644 public void startVerifications(int userId) { 645 // Launch verifications requests 646 int count = mCurrentIntentFilterVerifications.size(); 647 for (int n=0; n<count; n++) { 648 int verificationId = mCurrentIntentFilterVerifications.get(n); 649 final IntentFilterVerificationState ivs = 650 mIntentFilterVerificationStates.get(verificationId); 651 652 String packageName = ivs.getPackageName(); 653 654 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 655 final int filterCount = filters.size(); 656 ArraySet<String> domainsSet = new ArraySet<>(); 657 for (int m=0; m<filterCount; m++) { 658 PackageParser.ActivityIntentInfo filter = filters.get(m); 659 domainsSet.addAll(filter.getHostsList()); 660 } 661 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 662 synchronized (mPackages) { 663 if (mSettings.createIntentFilterVerificationIfNeededLPw( 664 packageName, domainsList) != null) { 665 scheduleWriteSettingsLocked(); 666 } 667 } 668 sendVerificationRequest(userId, verificationId, ivs); 669 } 670 mCurrentIntentFilterVerifications.clear(); 671 } 672 673 private void sendVerificationRequest(int userId, int verificationId, 674 IntentFilterVerificationState ivs) { 675 676 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 677 verificationIntent.putExtra( 678 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 679 verificationId); 680 verificationIntent.putExtra( 681 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 682 getDefaultScheme()); 683 verificationIntent.putExtra( 684 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 685 ivs.getHostsString()); 686 verificationIntent.putExtra( 687 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 688 ivs.getPackageName()); 689 verificationIntent.setComponent(mIntentFilterVerifierComponent); 690 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 691 692 UserHandle user = new UserHandle(userId); 693 mContext.sendBroadcastAsUser(verificationIntent, user); 694 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 695 "Sending IntentFilter verification broadcast"); 696 } 697 698 public void receiveVerificationResponse(int verificationId) { 699 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 700 701 final boolean verified = ivs.isVerified(); 702 703 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 704 final int count = filters.size(); 705 if (DEBUG_DOMAIN_VERIFICATION) { 706 Slog.i(TAG, "Received verification response " + verificationId 707 + " for " + count + " filters, verified=" + verified); 708 } 709 for (int n=0; n<count; n++) { 710 PackageParser.ActivityIntentInfo filter = filters.get(n); 711 filter.setVerified(verified); 712 713 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 714 + " verified with result:" + verified + " and hosts:" 715 + ivs.getHostsString()); 716 } 717 718 mIntentFilterVerificationStates.remove(verificationId); 719 720 final String packageName = ivs.getPackageName(); 721 IntentFilterVerificationInfo ivi = null; 722 723 synchronized (mPackages) { 724 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 725 } 726 if (ivi == null) { 727 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 728 + verificationId + " packageName:" + packageName); 729 return; 730 } 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Updating IntentFilterVerificationInfo for package " + packageName 733 +" verificationId:" + verificationId); 734 735 synchronized (mPackages) { 736 if (verified) { 737 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 738 } else { 739 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 740 } 741 scheduleWriteSettingsLocked(); 742 743 final int userId = ivs.getUserId(); 744 if (userId != UserHandle.USER_ALL) { 745 final int userStatus = 746 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 747 748 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 749 boolean needUpdate = false; 750 751 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 752 // already been set by the User thru the Disambiguation dialog 753 switch (userStatus) { 754 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 755 if (verified) { 756 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 757 } else { 758 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 759 } 760 needUpdate = true; 761 break; 762 763 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 764 if (verified) { 765 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 766 needUpdate = true; 767 } 768 break; 769 770 default: 771 // Nothing to do 772 } 773 774 if (needUpdate) { 775 mSettings.updateIntentFilterVerificationStatusLPw( 776 packageName, updatedStatus, userId); 777 scheduleWritePackageRestrictionsLocked(userId); 778 } 779 } 780 } 781 } 782 783 @Override 784 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 785 ActivityIntentInfo filter, String packageName) { 786 if (!hasValidDomains(filter)) { 787 return false; 788 } 789 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 790 if (ivs == null) { 791 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 792 packageName); 793 } 794 if (DEBUG_DOMAIN_VERIFICATION) { 795 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 796 } 797 ivs.addFilter(filter); 798 return true; 799 } 800 801 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 802 int userId, int verificationId, String packageName) { 803 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 804 verifierUid, userId, packageName); 805 ivs.setPendingState(); 806 synchronized (mPackages) { 807 mIntentFilterVerificationStates.append(verificationId, ivs); 808 mCurrentIntentFilterVerifications.add(verificationId); 809 } 810 return ivs; 811 } 812 } 813 814 private static boolean hasValidDomains(ActivityIntentInfo filter) { 815 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 816 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 817 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 818 } 819 820 private IntentFilterVerifier mIntentFilterVerifier; 821 822 // Set of pending broadcasts for aggregating enable/disable of components. 823 static class PendingPackageBroadcasts { 824 // for each user id, a map of <package name -> components within that package> 825 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 826 827 public PendingPackageBroadcasts() { 828 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 829 } 830 831 public ArrayList<String> get(int userId, String packageName) { 832 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 833 return packages.get(packageName); 834 } 835 836 public void put(int userId, String packageName, ArrayList<String> components) { 837 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 838 packages.put(packageName, components); 839 } 840 841 public void remove(int userId, String packageName) { 842 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 843 if (packages != null) { 844 packages.remove(packageName); 845 } 846 } 847 848 public void remove(int userId) { 849 mUidMap.remove(userId); 850 } 851 852 public int userIdCount() { 853 return mUidMap.size(); 854 } 855 856 public int userIdAt(int n) { 857 return mUidMap.keyAt(n); 858 } 859 860 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 861 return mUidMap.get(userId); 862 } 863 864 public int size() { 865 // total number of pending broadcast entries across all userIds 866 int num = 0; 867 for (int i = 0; i< mUidMap.size(); i++) { 868 num += mUidMap.valueAt(i).size(); 869 } 870 return num; 871 } 872 873 public void clear() { 874 mUidMap.clear(); 875 } 876 877 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 878 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 879 if (map == null) { 880 map = new ArrayMap<String, ArrayList<String>>(); 881 mUidMap.put(userId, map); 882 } 883 return map; 884 } 885 } 886 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 887 888 // Service Connection to remote media container service to copy 889 // package uri's from external media onto secure containers 890 // or internal storage. 891 private IMediaContainerService mContainerService = null; 892 893 static final int SEND_PENDING_BROADCAST = 1; 894 static final int MCS_BOUND = 3; 895 static final int END_COPY = 4; 896 static final int INIT_COPY = 5; 897 static final int MCS_UNBIND = 6; 898 static final int START_CLEANING_PACKAGE = 7; 899 static final int FIND_INSTALL_LOC = 8; 900 static final int POST_INSTALL = 9; 901 static final int MCS_RECONNECT = 10; 902 static final int MCS_GIVE_UP = 11; 903 static final int UPDATED_MEDIA_STATUS = 12; 904 static final int WRITE_SETTINGS = 13; 905 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 906 static final int PACKAGE_VERIFIED = 15; 907 static final int CHECK_PENDING_VERIFICATION = 16; 908 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 909 static final int INTENT_FILTER_VERIFIED = 18; 910 911 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 912 913 // Delay time in millisecs 914 static final int BROADCAST_DELAY = 10 * 1000; 915 916 static UserManagerService sUserManager; 917 918 // Stores a list of users whose package restrictions file needs to be updated 919 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 920 921 final private DefaultContainerConnection mDefContainerConn = 922 new DefaultContainerConnection(); 923 class DefaultContainerConnection implements ServiceConnection { 924 public void onServiceConnected(ComponentName name, IBinder service) { 925 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 926 IMediaContainerService imcs = 927 IMediaContainerService.Stub.asInterface(service); 928 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 929 } 930 931 public void onServiceDisconnected(ComponentName name) { 932 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 933 } 934 } 935 936 // Recordkeeping of restore-after-install operations that are currently in flight 937 // between the Package Manager and the Backup Manager 938 class PostInstallData { 939 public InstallArgs args; 940 public PackageInstalledInfo res; 941 942 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 943 args = _a; 944 res = _r; 945 } 946 } 947 948 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 949 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 950 951 // XML tags for backup/restore of various bits of state 952 private static final String TAG_PREFERRED_BACKUP = "pa"; 953 private static final String TAG_DEFAULT_APPS = "da"; 954 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 955 956 final String mRequiredVerifierPackage; 957 final String mRequiredInstallerPackage; 958 959 private final PackageUsage mPackageUsage = new PackageUsage(); 960 961 private class PackageUsage { 962 private static final int WRITE_INTERVAL 963 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 964 965 private final Object mFileLock = new Object(); 966 private final AtomicLong mLastWritten = new AtomicLong(0); 967 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 968 969 private boolean mIsHistoricalPackageUsageAvailable = true; 970 971 boolean isHistoricalPackageUsageAvailable() { 972 return mIsHistoricalPackageUsageAvailable; 973 } 974 975 void write(boolean force) { 976 if (force) { 977 writeInternal(); 978 return; 979 } 980 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 981 && !DEBUG_DEXOPT) { 982 return; 983 } 984 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 985 new Thread("PackageUsage_DiskWriter") { 986 @Override 987 public void run() { 988 try { 989 writeInternal(); 990 } finally { 991 mBackgroundWriteRunning.set(false); 992 } 993 } 994 }.start(); 995 } 996 } 997 998 private void writeInternal() { 999 synchronized (mPackages) { 1000 synchronized (mFileLock) { 1001 AtomicFile file = getFile(); 1002 FileOutputStream f = null; 1003 try { 1004 f = file.startWrite(); 1005 BufferedOutputStream out = new BufferedOutputStream(f); 1006 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1007 StringBuilder sb = new StringBuilder(); 1008 for (PackageParser.Package pkg : mPackages.values()) { 1009 if (pkg.mLastPackageUsageTimeInMills == 0) { 1010 continue; 1011 } 1012 sb.setLength(0); 1013 sb.append(pkg.packageName); 1014 sb.append(' '); 1015 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1016 sb.append('\n'); 1017 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1018 } 1019 out.flush(); 1020 file.finishWrite(f); 1021 } catch (IOException e) { 1022 if (f != null) { 1023 file.failWrite(f); 1024 } 1025 Log.e(TAG, "Failed to write package usage times", e); 1026 } 1027 } 1028 } 1029 mLastWritten.set(SystemClock.elapsedRealtime()); 1030 } 1031 1032 void readLP() { 1033 synchronized (mFileLock) { 1034 AtomicFile file = getFile(); 1035 BufferedInputStream in = null; 1036 try { 1037 in = new BufferedInputStream(file.openRead()); 1038 StringBuffer sb = new StringBuffer(); 1039 while (true) { 1040 String packageName = readToken(in, sb, ' '); 1041 if (packageName == null) { 1042 break; 1043 } 1044 String timeInMillisString = readToken(in, sb, '\n'); 1045 if (timeInMillisString == null) { 1046 throw new IOException("Failed to find last usage time for package " 1047 + packageName); 1048 } 1049 PackageParser.Package pkg = mPackages.get(packageName); 1050 if (pkg == null) { 1051 continue; 1052 } 1053 long timeInMillis; 1054 try { 1055 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1056 } catch (NumberFormatException e) { 1057 throw new IOException("Failed to parse " + timeInMillisString 1058 + " as a long.", e); 1059 } 1060 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1061 } 1062 } catch (FileNotFoundException expected) { 1063 mIsHistoricalPackageUsageAvailable = false; 1064 } catch (IOException e) { 1065 Log.w(TAG, "Failed to read package usage times", e); 1066 } finally { 1067 IoUtils.closeQuietly(in); 1068 } 1069 } 1070 mLastWritten.set(SystemClock.elapsedRealtime()); 1071 } 1072 1073 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1074 throws IOException { 1075 sb.setLength(0); 1076 while (true) { 1077 int ch = in.read(); 1078 if (ch == -1) { 1079 if (sb.length() == 0) { 1080 return null; 1081 } 1082 throw new IOException("Unexpected EOF"); 1083 } 1084 if (ch == endOfToken) { 1085 return sb.toString(); 1086 } 1087 sb.append((char)ch); 1088 } 1089 } 1090 1091 private AtomicFile getFile() { 1092 File dataDir = Environment.getDataDirectory(); 1093 File systemDir = new File(dataDir, "system"); 1094 File fname = new File(systemDir, "package-usage.list"); 1095 return new AtomicFile(fname); 1096 } 1097 } 1098 1099 class PackageHandler extends Handler { 1100 private boolean mBound = false; 1101 final ArrayList<HandlerParams> mPendingInstalls = 1102 new ArrayList<HandlerParams>(); 1103 1104 private boolean connectToService() { 1105 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1106 " DefaultContainerService"); 1107 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1109 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1110 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 mBound = true; 1113 return true; 1114 } 1115 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1116 return false; 1117 } 1118 1119 private void disconnectService() { 1120 mContainerService = null; 1121 mBound = false; 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1123 mContext.unbindService(mDefContainerConn); 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1125 } 1126 1127 PackageHandler(Looper looper) { 1128 super(looper); 1129 } 1130 1131 public void handleMessage(Message msg) { 1132 try { 1133 doHandleMessage(msg); 1134 } finally { 1135 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1136 } 1137 } 1138 1139 void doHandleMessage(Message msg) { 1140 switch (msg.what) { 1141 case INIT_COPY: { 1142 HandlerParams params = (HandlerParams) msg.obj; 1143 int idx = mPendingInstalls.size(); 1144 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1145 // If a bind was already initiated we dont really 1146 // need to do anything. The pending install 1147 // will be processed later on. 1148 if (!mBound) { 1149 // If this is the only one pending we might 1150 // have to bind to the service again. 1151 if (!connectToService()) { 1152 Slog.e(TAG, "Failed to bind to media container service"); 1153 params.serviceError(); 1154 return; 1155 } else { 1156 // Once we bind to the service, the first 1157 // pending request will be processed. 1158 mPendingInstalls.add(idx, params); 1159 } 1160 } else { 1161 mPendingInstalls.add(idx, params); 1162 // Already bound to the service. Just make 1163 // sure we trigger off processing the first request. 1164 if (idx == 0) { 1165 mHandler.sendEmptyMessage(MCS_BOUND); 1166 } 1167 } 1168 break; 1169 } 1170 case MCS_BOUND: { 1171 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1172 if (msg.obj != null) { 1173 mContainerService = (IMediaContainerService) msg.obj; 1174 } 1175 if (mContainerService == null) { 1176 if (!mBound) { 1177 // Something seriously wrong since we are not bound and we are not 1178 // waiting for connection. Bail out. 1179 Slog.e(TAG, "Cannot bind to media container service"); 1180 for (HandlerParams params : mPendingInstalls) { 1181 // Indicate service bind error 1182 params.serviceError(); 1183 } 1184 mPendingInstalls.clear(); 1185 } else { 1186 Slog.w(TAG, "Waiting to connect to media container service"); 1187 } 1188 } else if (mPendingInstalls.size() > 0) { 1189 HandlerParams params = mPendingInstalls.get(0); 1190 if (params != null) { 1191 if (params.startCopy()) { 1192 // We are done... look for more work or to 1193 // go idle. 1194 if (DEBUG_SD_INSTALL) Log.i(TAG, 1195 "Checking for more work or unbind..."); 1196 // Delete pending install 1197 if (mPendingInstalls.size() > 0) { 1198 mPendingInstalls.remove(0); 1199 } 1200 if (mPendingInstalls.size() == 0) { 1201 if (mBound) { 1202 if (DEBUG_SD_INSTALL) Log.i(TAG, 1203 "Posting delayed MCS_UNBIND"); 1204 removeMessages(MCS_UNBIND); 1205 Message ubmsg = obtainMessage(MCS_UNBIND); 1206 // Unbind after a little delay, to avoid 1207 // continual thrashing. 1208 sendMessageDelayed(ubmsg, 10000); 1209 } 1210 } else { 1211 // There are more pending requests in queue. 1212 // Just post MCS_BOUND message to trigger processing 1213 // of next pending install. 1214 if (DEBUG_SD_INSTALL) Log.i(TAG, 1215 "Posting MCS_BOUND for next work"); 1216 mHandler.sendEmptyMessage(MCS_BOUND); 1217 } 1218 } 1219 } 1220 } else { 1221 // Should never happen ideally. 1222 Slog.w(TAG, "Empty queue"); 1223 } 1224 break; 1225 } 1226 case MCS_RECONNECT: { 1227 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1228 if (mPendingInstalls.size() > 0) { 1229 if (mBound) { 1230 disconnectService(); 1231 } 1232 if (!connectToService()) { 1233 Slog.e(TAG, "Failed to bind to media container service"); 1234 for (HandlerParams params : mPendingInstalls) { 1235 // Indicate service bind error 1236 params.serviceError(); 1237 } 1238 mPendingInstalls.clear(); 1239 } 1240 } 1241 break; 1242 } 1243 case MCS_UNBIND: { 1244 // If there is no actual work left, then time to unbind. 1245 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1246 1247 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1248 if (mBound) { 1249 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1250 1251 disconnectService(); 1252 } 1253 } else if (mPendingInstalls.size() > 0) { 1254 // There are more pending requests in queue. 1255 // Just post MCS_BOUND message to trigger processing 1256 // of next pending install. 1257 mHandler.sendEmptyMessage(MCS_BOUND); 1258 } 1259 1260 break; 1261 } 1262 case MCS_GIVE_UP: { 1263 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1264 mPendingInstalls.remove(0); 1265 break; 1266 } 1267 case SEND_PENDING_BROADCAST: { 1268 String packages[]; 1269 ArrayList<String> components[]; 1270 int size = 0; 1271 int uids[]; 1272 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1273 synchronized (mPackages) { 1274 if (mPendingBroadcasts == null) { 1275 return; 1276 } 1277 size = mPendingBroadcasts.size(); 1278 if (size <= 0) { 1279 // Nothing to be done. Just return 1280 return; 1281 } 1282 packages = new String[size]; 1283 components = new ArrayList[size]; 1284 uids = new int[size]; 1285 int i = 0; // filling out the above arrays 1286 1287 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1288 int packageUserId = mPendingBroadcasts.userIdAt(n); 1289 Iterator<Map.Entry<String, ArrayList<String>>> it 1290 = mPendingBroadcasts.packagesForUserId(packageUserId) 1291 .entrySet().iterator(); 1292 while (it.hasNext() && i < size) { 1293 Map.Entry<String, ArrayList<String>> ent = it.next(); 1294 packages[i] = ent.getKey(); 1295 components[i] = ent.getValue(); 1296 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1297 uids[i] = (ps != null) 1298 ? UserHandle.getUid(packageUserId, ps.appId) 1299 : -1; 1300 i++; 1301 } 1302 } 1303 size = i; 1304 mPendingBroadcasts.clear(); 1305 } 1306 // Send broadcasts 1307 for (int i = 0; i < size; i++) { 1308 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1309 } 1310 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1311 break; 1312 } 1313 case START_CLEANING_PACKAGE: { 1314 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1315 final String packageName = (String)msg.obj; 1316 final int userId = msg.arg1; 1317 final boolean andCode = msg.arg2 != 0; 1318 synchronized (mPackages) { 1319 if (userId == UserHandle.USER_ALL) { 1320 int[] users = sUserManager.getUserIds(); 1321 for (int user : users) { 1322 mSettings.addPackageToCleanLPw( 1323 new PackageCleanItem(user, packageName, andCode)); 1324 } 1325 } else { 1326 mSettings.addPackageToCleanLPw( 1327 new PackageCleanItem(userId, packageName, andCode)); 1328 } 1329 } 1330 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1331 startCleaningPackages(); 1332 } break; 1333 case POST_INSTALL: { 1334 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1335 PostInstallData data = mRunningInstalls.get(msg.arg1); 1336 mRunningInstalls.delete(msg.arg1); 1337 boolean deleteOld = false; 1338 1339 if (data != null) { 1340 InstallArgs args = data.args; 1341 PackageInstalledInfo res = data.res; 1342 1343 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1344 final String packageName = res.pkg.applicationInfo.packageName; 1345 res.removedInfo.sendBroadcast(false, true, false); 1346 Bundle extras = new Bundle(1); 1347 extras.putInt(Intent.EXTRA_UID, res.uid); 1348 1349 // Now that we successfully installed the package, grant runtime 1350 // permissions if requested before broadcasting the install. 1351 if ((args.installFlags 1352 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1353 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1354 args.installGrantPermissions); 1355 } 1356 1357 // Determine the set of users who are adding this 1358 // package for the first time vs. those who are seeing 1359 // an update. 1360 int[] firstUsers; 1361 int[] updateUsers = new int[0]; 1362 if (res.origUsers == null || res.origUsers.length == 0) { 1363 firstUsers = res.newUsers; 1364 } else { 1365 firstUsers = new int[0]; 1366 for (int i=0; i<res.newUsers.length; i++) { 1367 int user = res.newUsers[i]; 1368 boolean isNew = true; 1369 for (int j=0; j<res.origUsers.length; j++) { 1370 if (res.origUsers[j] == user) { 1371 isNew = false; 1372 break; 1373 } 1374 } 1375 if (isNew) { 1376 int[] newFirst = new int[firstUsers.length+1]; 1377 System.arraycopy(firstUsers, 0, newFirst, 0, 1378 firstUsers.length); 1379 newFirst[firstUsers.length] = user; 1380 firstUsers = newFirst; 1381 } else { 1382 int[] newUpdate = new int[updateUsers.length+1]; 1383 System.arraycopy(updateUsers, 0, newUpdate, 0, 1384 updateUsers.length); 1385 newUpdate[updateUsers.length] = user; 1386 updateUsers = newUpdate; 1387 } 1388 } 1389 } 1390 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1391 packageName, extras, null, null, firstUsers); 1392 final boolean update = res.removedInfo.removedPackage != null; 1393 if (update) { 1394 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1395 } 1396 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1397 packageName, extras, null, null, updateUsers); 1398 if (update) { 1399 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1400 packageName, extras, null, null, updateUsers); 1401 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1402 null, null, packageName, null, updateUsers); 1403 1404 // treat asec-hosted packages like removable media on upgrade 1405 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1406 if (DEBUG_INSTALL) { 1407 Slog.i(TAG, "upgrading pkg " + res.pkg 1408 + " is ASEC-hosted -> AVAILABLE"); 1409 } 1410 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1411 ArrayList<String> pkgList = new ArrayList<String>(1); 1412 pkgList.add(packageName); 1413 sendResourcesChangedBroadcast(true, true, 1414 pkgList,uidArray, null); 1415 } 1416 } 1417 if (res.removedInfo.args != null) { 1418 // Remove the replaced package's older resources safely now 1419 deleteOld = true; 1420 } 1421 1422 // If this app is a browser and it's newly-installed for some 1423 // users, clear any default-browser state in those users 1424 if (firstUsers.length > 0) { 1425 // the app's nature doesn't depend on the user, so we can just 1426 // check its browser nature in any user and generalize. 1427 if (packageIsBrowser(packageName, firstUsers[0])) { 1428 synchronized (mPackages) { 1429 for (int userId : firstUsers) { 1430 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1431 } 1432 } 1433 } 1434 } 1435 // Log current value of "unknown sources" setting 1436 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1437 getUnknownSourcesSettings()); 1438 } 1439 // Force a gc to clear up things 1440 Runtime.getRuntime().gc(); 1441 // We delete after a gc for applications on sdcard. 1442 if (deleteOld) { 1443 synchronized (mInstallLock) { 1444 res.removedInfo.args.doPostDeleteLI(true); 1445 } 1446 } 1447 if (args.observer != null) { 1448 try { 1449 Bundle extras = extrasForInstallResult(res); 1450 args.observer.onPackageInstalled(res.name, res.returnCode, 1451 res.returnMsg, extras); 1452 } catch (RemoteException e) { 1453 Slog.i(TAG, "Observer no longer exists."); 1454 } 1455 } 1456 } else { 1457 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1458 } 1459 } break; 1460 case UPDATED_MEDIA_STATUS: { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1462 boolean reportStatus = msg.arg1 == 1; 1463 boolean doGc = msg.arg2 == 1; 1464 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1465 if (doGc) { 1466 // Force a gc to clear up stale containers. 1467 Runtime.getRuntime().gc(); 1468 } 1469 if (msg.obj != null) { 1470 @SuppressWarnings("unchecked") 1471 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1472 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1473 // Unload containers 1474 unloadAllContainers(args); 1475 } 1476 if (reportStatus) { 1477 try { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1479 PackageHelper.getMountService().finishMediaUpdate(); 1480 } catch (RemoteException e) { 1481 Log.e(TAG, "MountService not running?"); 1482 } 1483 } 1484 } break; 1485 case WRITE_SETTINGS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_SETTINGS); 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 mSettings.writeLPr(); 1491 mDirtyUsers.clear(); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 } break; 1495 case WRITE_PACKAGE_RESTRICTIONS: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 synchronized (mPackages) { 1498 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1499 for (int userId : mDirtyUsers) { 1500 mSettings.writePackageRestrictionsLPr(userId); 1501 } 1502 mDirtyUsers.clear(); 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 } break; 1506 case CHECK_PENDING_VERIFICATION: { 1507 final int verificationId = msg.arg1; 1508 final PackageVerificationState state = mPendingVerification.get(verificationId); 1509 1510 if ((state != null) && !state.timeoutExtended()) { 1511 final InstallArgs args = state.getInstallArgs(); 1512 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1513 1514 Slog.i(TAG, "Verification timed out for " + originUri); 1515 mPendingVerification.remove(verificationId); 1516 1517 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1518 1519 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1520 Slog.i(TAG, "Continuing with installation of " + originUri); 1521 state.setVerifierResponse(Binder.getCallingUid(), 1522 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_ALLOW, 1525 state.getInstallArgs().getUser()); 1526 try { 1527 ret = args.copyApk(mContainerService, true); 1528 } catch (RemoteException e) { 1529 Slog.e(TAG, "Could not contact the ContainerService"); 1530 } 1531 } else { 1532 broadcastPackageVerified(verificationId, originUri, 1533 PackageManager.VERIFICATION_REJECT, 1534 state.getInstallArgs().getUser()); 1535 } 1536 1537 processPendingInstall(args, ret); 1538 mHandler.sendEmptyMessage(MCS_UNBIND); 1539 } 1540 break; 1541 } 1542 case PACKAGE_VERIFIED: { 1543 final int verificationId = msg.arg1; 1544 1545 final PackageVerificationState state = mPendingVerification.get(verificationId); 1546 if (state == null) { 1547 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1548 break; 1549 } 1550 1551 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1552 1553 state.setVerifierResponse(response.callerUid, response.code); 1554 1555 if (state.isVerificationComplete()) { 1556 mPendingVerification.remove(verificationId); 1557 1558 final InstallArgs args = state.getInstallArgs(); 1559 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1560 1561 int ret; 1562 if (state.isInstallAllowed()) { 1563 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1564 broadcastPackageVerified(verificationId, originUri, 1565 response.code, state.getInstallArgs().getUser()); 1566 try { 1567 ret = args.copyApk(mContainerService, true); 1568 } catch (RemoteException e) { 1569 Slog.e(TAG, "Could not contact the ContainerService"); 1570 } 1571 } else { 1572 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1573 } 1574 1575 processPendingInstall(args, ret); 1576 1577 mHandler.sendEmptyMessage(MCS_UNBIND); 1578 } 1579 1580 break; 1581 } 1582 case START_INTENT_FILTER_VERIFICATIONS: { 1583 IFVerificationParams params = (IFVerificationParams) msg.obj; 1584 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1585 params.replacing, params.pkg); 1586 break; 1587 } 1588 case INTENT_FILTER_VERIFIED: { 1589 final int verificationId = msg.arg1; 1590 1591 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1592 verificationId); 1593 if (state == null) { 1594 Slog.w(TAG, "Invalid IntentFilter verification token " 1595 + verificationId + " received"); 1596 break; 1597 } 1598 1599 final int userId = state.getUserId(); 1600 1601 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1602 "Processing IntentFilter verification with token:" 1603 + verificationId + " and userId:" + userId); 1604 1605 final IntentFilterVerificationResponse response = 1606 (IntentFilterVerificationResponse) msg.obj; 1607 1608 state.setVerifierResponse(response.callerUid, response.code); 1609 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " and userId:" + userId 1613 + " is settings verifier response with response code:" 1614 + response.code); 1615 1616 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1617 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1618 + response.getFailedDomainsString()); 1619 } 1620 1621 if (state.isVerificationComplete()) { 1622 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1623 } else { 1624 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1625 "IntentFilter verification with token:" + verificationId 1626 + " was not said to be complete"); 1627 } 1628 1629 break; 1630 } 1631 } 1632 } 1633 } 1634 1635 private StorageEventListener mStorageListener = new StorageEventListener() { 1636 @Override 1637 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1638 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1639 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1640 final String volumeUuid = vol.getFsUuid(); 1641 1642 // Clean up any users or apps that were removed or recreated 1643 // while this volume was missing 1644 reconcileUsers(volumeUuid); 1645 reconcileApps(volumeUuid); 1646 1647 // Clean up any install sessions that expired or were 1648 // cancelled while this volume was missing 1649 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1650 1651 loadPrivatePackages(vol); 1652 1653 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1654 unloadPrivatePackages(vol); 1655 } 1656 } 1657 1658 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1659 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1660 updateExternalMediaStatus(true, false); 1661 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1662 updateExternalMediaStatus(false, false); 1663 } 1664 } 1665 } 1666 1667 @Override 1668 public void onVolumeForgotten(String fsUuid) { 1669 if (TextUtils.isEmpty(fsUuid)) { 1670 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1671 return; 1672 } 1673 1674 // Remove any apps installed on the forgotten volume 1675 synchronized (mPackages) { 1676 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1677 for (PackageSetting ps : packages) { 1678 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1679 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1680 UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS); 1681 } 1682 1683 mSettings.onVolumeForgotten(fsUuid); 1684 mSettings.writeLPr(); 1685 } 1686 } 1687 }; 1688 1689 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1690 String[] grantedPermissions) { 1691 if (userId >= UserHandle.USER_OWNER) { 1692 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1693 } else if (userId == UserHandle.USER_ALL) { 1694 final int[] userIds; 1695 synchronized (mPackages) { 1696 userIds = UserManagerService.getInstance().getUserIds(); 1697 } 1698 for (int someUserId : userIds) { 1699 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1700 } 1701 } 1702 1703 // We could have touched GID membership, so flush out packages.list 1704 synchronized (mPackages) { 1705 mSettings.writePackageListLPr(); 1706 } 1707 } 1708 1709 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1710 String[] grantedPermissions) { 1711 SettingBase sb = (SettingBase) pkg.mExtras; 1712 if (sb == null) { 1713 return; 1714 } 1715 1716 PermissionsState permissionsState = sb.getPermissionsState(); 1717 1718 for (String permission : pkg.requestedPermissions) { 1719 BasePermission bp = mSettings.mPermissions.get(permission); 1720 if (bp != null && bp.isRuntime() && (grantedPermissions == null 1721 || ArrayUtils.contains(grantedPermissions, permission))) { 1722 permissionsState.grantRuntimePermission(bp, userId); 1723 } 1724 } 1725 } 1726 1727 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1728 Bundle extras = null; 1729 switch (res.returnCode) { 1730 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1731 extras = new Bundle(); 1732 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1733 res.origPermission); 1734 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1735 res.origPackage); 1736 break; 1737 } 1738 case PackageManager.INSTALL_SUCCEEDED: { 1739 extras = new Bundle(); 1740 extras.putBoolean(Intent.EXTRA_REPLACING, 1741 res.removedInfo != null && res.removedInfo.removedPackage != null); 1742 break; 1743 } 1744 } 1745 return extras; 1746 } 1747 1748 void scheduleWriteSettingsLocked() { 1749 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1750 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1751 } 1752 } 1753 1754 void scheduleWritePackageRestrictionsLocked(int userId) { 1755 if (!sUserManager.exists(userId)) return; 1756 mDirtyUsers.add(userId); 1757 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1758 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1759 } 1760 } 1761 1762 public static PackageManagerService main(Context context, Installer installer, 1763 boolean factoryTest, boolean onlyCore) { 1764 PackageManagerService m = new PackageManagerService(context, installer, 1765 factoryTest, onlyCore); 1766 ServiceManager.addService("package", m); 1767 return m; 1768 } 1769 1770 static String[] splitString(String str, char sep) { 1771 int count = 1; 1772 int i = 0; 1773 while ((i=str.indexOf(sep, i)) >= 0) { 1774 count++; 1775 i++; 1776 } 1777 1778 String[] res = new String[count]; 1779 i=0; 1780 count = 0; 1781 int lastI=0; 1782 while ((i=str.indexOf(sep, i)) >= 0) { 1783 res[count] = str.substring(lastI, i); 1784 count++; 1785 i++; 1786 lastI = i; 1787 } 1788 res[count] = str.substring(lastI, str.length()); 1789 return res; 1790 } 1791 1792 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1793 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1794 Context.DISPLAY_SERVICE); 1795 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1796 } 1797 1798 public PackageManagerService(Context context, Installer installer, 1799 boolean factoryTest, boolean onlyCore) { 1800 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1801 SystemClock.uptimeMillis()); 1802 1803 if (mSdkVersion <= 0) { 1804 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1805 } 1806 1807 mContext = context; 1808 mFactoryTest = factoryTest; 1809 mOnlyCore = onlyCore; 1810 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1811 mMetrics = new DisplayMetrics(); 1812 mSettings = new Settings(mPackages); 1813 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1814 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1815 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1816 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1817 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1818 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1819 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1820 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1821 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1822 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1823 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1824 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1825 1826 // TODO: add a property to control this? 1827 long dexOptLRUThresholdInMinutes; 1828 if (mLazyDexOpt) { 1829 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1830 } else { 1831 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1832 } 1833 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1834 1835 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1836 if (separateProcesses != null && separateProcesses.length() > 0) { 1837 if ("*".equals(separateProcesses)) { 1838 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1839 mSeparateProcesses = null; 1840 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1841 } else { 1842 mDefParseFlags = 0; 1843 mSeparateProcesses = separateProcesses.split(","); 1844 Slog.w(TAG, "Running with debug.separate_processes: " 1845 + separateProcesses); 1846 } 1847 } else { 1848 mDefParseFlags = 0; 1849 mSeparateProcesses = null; 1850 } 1851 1852 mInstaller = installer; 1853 mPackageDexOptimizer = new PackageDexOptimizer(this); 1854 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1855 1856 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1857 FgThread.get().getLooper()); 1858 1859 getDefaultDisplayMetrics(context, mMetrics); 1860 1861 SystemConfig systemConfig = SystemConfig.getInstance(); 1862 mGlobalGids = systemConfig.getGlobalGids(); 1863 mSystemPermissions = systemConfig.getSystemPermissions(); 1864 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1865 1866 synchronized (mInstallLock) { 1867 // writer 1868 synchronized (mPackages) { 1869 mHandlerThread = new ServiceThread(TAG, 1870 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1871 mHandlerThread.start(); 1872 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1873 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1874 1875 File dataDir = Environment.getDataDirectory(); 1876 mAppDataDir = new File(dataDir, "data"); 1877 mAppInstallDir = new File(dataDir, "app"); 1878 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1879 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1880 mUserAppDataDir = new File(dataDir, "user"); 1881 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1882 1883 sUserManager = new UserManagerService(context, this, 1884 mInstallLock, mPackages); 1885 1886 // Propagate permission configuration in to package manager. 1887 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1888 = systemConfig.getPermissions(); 1889 for (int i=0; i<permConfig.size(); i++) { 1890 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1891 BasePermission bp = mSettings.mPermissions.get(perm.name); 1892 if (bp == null) { 1893 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1894 mSettings.mPermissions.put(perm.name, bp); 1895 } 1896 if (perm.gids != null) { 1897 bp.setGids(perm.gids, perm.perUser); 1898 } 1899 } 1900 1901 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1902 for (int i=0; i<libConfig.size(); i++) { 1903 mSharedLibraries.put(libConfig.keyAt(i), 1904 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1905 } 1906 1907 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1908 1909 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1910 mSdkVersion, mOnlyCore); 1911 1912 String customResolverActivity = Resources.getSystem().getString( 1913 R.string.config_customResolverActivity); 1914 if (TextUtils.isEmpty(customResolverActivity)) { 1915 customResolverActivity = null; 1916 } else { 1917 mCustomResolverComponentName = ComponentName.unflattenFromString( 1918 customResolverActivity); 1919 } 1920 1921 long startTime = SystemClock.uptimeMillis(); 1922 1923 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1924 startTime); 1925 1926 // Set flag to monitor and not change apk file paths when 1927 // scanning install directories. 1928 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1929 1930 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1931 1932 /** 1933 * Add everything in the in the boot class path to the 1934 * list of process files because dexopt will have been run 1935 * if necessary during zygote startup. 1936 */ 1937 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1938 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1939 1940 if (bootClassPath != null) { 1941 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1942 for (String element : bootClassPathElements) { 1943 alreadyDexOpted.add(element); 1944 } 1945 } else { 1946 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1947 } 1948 1949 if (systemServerClassPath != null) { 1950 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1951 for (String element : systemServerClassPathElements) { 1952 alreadyDexOpted.add(element); 1953 } 1954 } else { 1955 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1956 } 1957 1958 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1959 final String[] dexCodeInstructionSets = 1960 getDexCodeInstructionSets( 1961 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1962 1963 /** 1964 * Ensure all external libraries have had dexopt run on them. 1965 */ 1966 if (mSharedLibraries.size() > 0) { 1967 // NOTE: For now, we're compiling these system "shared libraries" 1968 // (and framework jars) into all available architectures. It's possible 1969 // to compile them only when we come across an app that uses them (there's 1970 // already logic for that in scanPackageLI) but that adds some complexity. 1971 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1972 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1973 final String lib = libEntry.path; 1974 if (lib == null) { 1975 continue; 1976 } 1977 1978 try { 1979 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1980 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1981 alreadyDexOpted.add(lib); 1982 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded, false); 1983 } 1984 } catch (FileNotFoundException e) { 1985 Slog.w(TAG, "Library not found: " + lib); 1986 } catch (IOException e) { 1987 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1988 + e.getMessage()); 1989 } 1990 } 1991 } 1992 } 1993 1994 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1995 1996 // Gross hack for now: we know this file doesn't contain any 1997 // code, so don't dexopt it to avoid the resulting log spew. 1998 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1999 2000 // Gross hack for now: we know this file is only part of 2001 // the boot class path for art, so don't dexopt it to 2002 // avoid the resulting log spew. 2003 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2004 2005 /** 2006 * There are a number of commands implemented in Java, which 2007 * we currently need to do the dexopt on so that they can be 2008 * run from a non-root shell. 2009 */ 2010 String[] frameworkFiles = frameworkDir.list(); 2011 if (frameworkFiles != null) { 2012 // TODO: We could compile these only for the most preferred ABI. We should 2013 // first double check that the dex files for these commands are not referenced 2014 // by other system apps. 2015 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2016 for (int i=0; i<frameworkFiles.length; i++) { 2017 File libPath = new File(frameworkDir, frameworkFiles[i]); 2018 String path = libPath.getPath(); 2019 // Skip the file if we already did it. 2020 if (alreadyDexOpted.contains(path)) { 2021 continue; 2022 } 2023 // Skip the file if it is not a type we want to dexopt. 2024 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2025 continue; 2026 } 2027 try { 2028 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2029 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2030 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded, false); 2031 } 2032 } catch (FileNotFoundException e) { 2033 Slog.w(TAG, "Jar not found: " + path); 2034 } catch (IOException e) { 2035 Slog.w(TAG, "Exception reading jar: " + path, e); 2036 } 2037 } 2038 } 2039 } 2040 2041 final VersionInfo ver = mSettings.getInternalVersion(); 2042 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2043 // when upgrading from pre-M, promote system app permissions from install to runtime 2044 mPromoteSystemApps = 2045 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2046 2047 // save off the names of pre-existing system packages prior to scanning; we don't 2048 // want to automatically grant runtime permissions for new system apps 2049 if (mPromoteSystemApps) { 2050 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2051 while (pkgSettingIter.hasNext()) { 2052 PackageSetting ps = pkgSettingIter.next(); 2053 if (isSystemApp(ps)) { 2054 mExistingSystemPackages.add(ps.name); 2055 } 2056 } 2057 } 2058 2059 // Collect vendor overlay packages. 2060 // (Do this before scanning any apps.) 2061 // For security and version matching reason, only consider 2062 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2063 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2064 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2065 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2066 2067 // Find base frameworks (resource packages without code). 2068 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2069 | PackageParser.PARSE_IS_SYSTEM_DIR 2070 | PackageParser.PARSE_IS_PRIVILEGED, 2071 scanFlags | SCAN_NO_DEX, 0); 2072 2073 // Collected privileged system packages. 2074 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2075 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2076 | PackageParser.PARSE_IS_SYSTEM_DIR 2077 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2078 2079 // Collect ordinary system packages. 2080 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2081 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2082 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2083 2084 // Collect all vendor packages. 2085 File vendorAppDir = new File("/vendor/app"); 2086 try { 2087 vendorAppDir = vendorAppDir.getCanonicalFile(); 2088 } catch (IOException e) { 2089 // failed to look up canonical path, continue with original one 2090 } 2091 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2092 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2093 2094 // Collect all OEM packages. 2095 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2096 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2097 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2098 2099 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2100 mInstaller.moveFiles(); 2101 2102 // Prune any system packages that no longer exist. 2103 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2104 if (!mOnlyCore) { 2105 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2106 while (psit.hasNext()) { 2107 PackageSetting ps = psit.next(); 2108 2109 /* 2110 * If this is not a system app, it can't be a 2111 * disable system app. 2112 */ 2113 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2114 continue; 2115 } 2116 2117 /* 2118 * If the package is scanned, it's not erased. 2119 */ 2120 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2121 if (scannedPkg != null) { 2122 /* 2123 * If the system app is both scanned and in the 2124 * disabled packages list, then it must have been 2125 * added via OTA. Remove it from the currently 2126 * scanned package so the previously user-installed 2127 * application can be scanned. 2128 */ 2129 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2130 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2131 + ps.name + "; removing system app. Last known codePath=" 2132 + ps.codePathString + ", installStatus=" + ps.installStatus 2133 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2134 + scannedPkg.mVersionCode); 2135 removePackageLI(ps, true); 2136 mExpectingBetter.put(ps.name, ps.codePath); 2137 } 2138 2139 continue; 2140 } 2141 2142 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2143 psit.remove(); 2144 logCriticalInfo(Log.WARN, "System package " + ps.name 2145 + " no longer exists; wiping its data"); 2146 removeDataDirsLI(null, ps.name); 2147 } else { 2148 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2149 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2150 possiblyDeletedUpdatedSystemApps.add(ps.name); 2151 } 2152 } 2153 } 2154 } 2155 2156 //look for any incomplete package installations 2157 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2158 //clean up list 2159 for(int i = 0; i < deletePkgsList.size(); i++) { 2160 //clean up here 2161 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2162 } 2163 //delete tmp files 2164 deleteTempPackageFiles(); 2165 2166 // Remove any shared userIDs that have no associated packages 2167 mSettings.pruneSharedUsersLPw(); 2168 2169 if (!mOnlyCore) { 2170 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2171 SystemClock.uptimeMillis()); 2172 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2173 2174 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2175 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2176 2177 /** 2178 * Remove disable package settings for any updated system 2179 * apps that were removed via an OTA. If they're not a 2180 * previously-updated app, remove them completely. 2181 * Otherwise, just revoke their system-level permissions. 2182 */ 2183 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2184 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2185 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2186 2187 String msg; 2188 if (deletedPkg == null) { 2189 msg = "Updated system package " + deletedAppName 2190 + " no longer exists; wiping its data"; 2191 removeDataDirsLI(null, deletedAppName); 2192 } else { 2193 msg = "Updated system app + " + deletedAppName 2194 + " no longer present; removing system privileges for " 2195 + deletedAppName; 2196 2197 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2198 2199 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2200 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2201 } 2202 logCriticalInfo(Log.WARN, msg); 2203 } 2204 2205 /** 2206 * Make sure all system apps that we expected to appear on 2207 * the userdata partition actually showed up. If they never 2208 * appeared, crawl back and revive the system version. 2209 */ 2210 for (int i = 0; i < mExpectingBetter.size(); i++) { 2211 final String packageName = mExpectingBetter.keyAt(i); 2212 if (!mPackages.containsKey(packageName)) { 2213 final File scanFile = mExpectingBetter.valueAt(i); 2214 2215 logCriticalInfo(Log.WARN, "Expected better " + packageName 2216 + " but never showed up; reverting to system"); 2217 2218 final int reparseFlags; 2219 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2220 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2221 | PackageParser.PARSE_IS_SYSTEM_DIR 2222 | PackageParser.PARSE_IS_PRIVILEGED; 2223 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2224 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2225 | PackageParser.PARSE_IS_SYSTEM_DIR; 2226 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2227 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2228 | PackageParser.PARSE_IS_SYSTEM_DIR; 2229 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2230 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2231 | PackageParser.PARSE_IS_SYSTEM_DIR; 2232 } else { 2233 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2234 continue; 2235 } 2236 2237 mSettings.enableSystemPackageLPw(packageName); 2238 2239 try { 2240 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2241 } catch (PackageManagerException e) { 2242 Slog.e(TAG, "Failed to parse original system package: " 2243 + e.getMessage()); 2244 } 2245 } 2246 } 2247 } 2248 mExpectingBetter.clear(); 2249 2250 // Now that we know all of the shared libraries, update all clients to have 2251 // the correct library paths. 2252 updateAllSharedLibrariesLPw(); 2253 2254 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2255 // NOTE: We ignore potential failures here during a system scan (like 2256 // the rest of the commands above) because there's precious little we 2257 // can do about it. A settings error is reported, though. 2258 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2259 false /* force dexopt */, false /* defer dexopt */, 2260 false /* boot complete */); 2261 } 2262 2263 // Now that we know all the packages we are keeping, 2264 // read and update their last usage times. 2265 mPackageUsage.readLP(); 2266 2267 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2268 SystemClock.uptimeMillis()); 2269 Slog.i(TAG, "Time to scan packages: " 2270 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2271 + " seconds"); 2272 2273 // If the platform SDK has changed since the last time we booted, 2274 // we need to re-grant app permission to catch any new ones that 2275 // appear. This is really a hack, and means that apps can in some 2276 // cases get permissions that the user didn't initially explicitly 2277 // allow... it would be nice to have some better way to handle 2278 // this situation. 2279 int updateFlags = UPDATE_PERMISSIONS_ALL; 2280 if (ver.sdkVersion != mSdkVersion) { 2281 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2282 + mSdkVersion + "; regranting permissions for internal storage"); 2283 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2284 } 2285 updatePermissionsLPw(null, null, updateFlags); 2286 ver.sdkVersion = mSdkVersion; 2287 2288 // If this is the first boot or an update from pre-M, and it is a normal 2289 // boot, then we need to initialize the default preferred apps across 2290 // all defined users. 2291 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2292 for (UserInfo user : sUserManager.getUsers(true)) { 2293 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2294 applyFactoryDefaultBrowserLPw(user.id); 2295 primeDomainVerificationsLPw(user.id); 2296 } 2297 } 2298 2299 // If this is first boot after an OTA, and a normal boot, then 2300 // we need to clear code cache directories. 2301 if (mIsUpgrade && !onlyCore) { 2302 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2303 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2304 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2305 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2306 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2307 } 2308 } 2309 ver.fingerprint = Build.FINGERPRINT; 2310 } 2311 2312 checkDefaultBrowser(); 2313 2314 // clear only after permissions and other defaults have been updated 2315 mExistingSystemPackages.clear(); 2316 mPromoteSystemApps = false; 2317 2318 // All the changes are done during package scanning. 2319 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2320 2321 // can downgrade to reader 2322 mSettings.writeLPr(); 2323 2324 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2325 SystemClock.uptimeMillis()); 2326 2327 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2328 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2329 2330 mInstallerService = new PackageInstallerService(context, this); 2331 2332 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2333 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2334 mIntentFilterVerifierComponent); 2335 2336 } // synchronized (mPackages) 2337 } // synchronized (mInstallLock) 2338 2339 // Now after opening every single application zip, make sure they 2340 // are all flushed. Not really needed, but keeps things nice and 2341 // tidy. 2342 Runtime.getRuntime().gc(); 2343 2344 // Expose private service for system components to use. 2345 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2346 } 2347 2348 @Override 2349 public boolean isFirstBoot() { 2350 return !mRestoredSettings; 2351 } 2352 2353 @Override 2354 public boolean isOnlyCoreApps() { 2355 return mOnlyCore; 2356 } 2357 2358 @Override 2359 public boolean isUpgrade() { 2360 return mIsUpgrade; 2361 } 2362 2363 private String getRequiredVerifierLPr() { 2364 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2365 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2366 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2367 2368 String requiredVerifier = null; 2369 2370 final int N = receivers.size(); 2371 for (int i = 0; i < N; i++) { 2372 final ResolveInfo info = receivers.get(i); 2373 2374 if (info.activityInfo == null) { 2375 continue; 2376 } 2377 2378 final String packageName = info.activityInfo.packageName; 2379 2380 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2381 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2382 continue; 2383 } 2384 2385 if (requiredVerifier != null) { 2386 throw new RuntimeException("There can be only one required verifier"); 2387 } 2388 2389 requiredVerifier = packageName; 2390 } 2391 2392 return requiredVerifier; 2393 } 2394 2395 private String getRequiredInstallerLPr() { 2396 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2397 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2398 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2399 2400 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2401 PACKAGE_MIME_TYPE, 0, 0); 2402 2403 String requiredInstaller = null; 2404 2405 final int N = installers.size(); 2406 for (int i = 0; i < N; i++) { 2407 final ResolveInfo info = installers.get(i); 2408 final String packageName = info.activityInfo.packageName; 2409 2410 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2411 continue; 2412 } 2413 2414 if (requiredInstaller != null) { 2415 throw new RuntimeException("There must be one required installer"); 2416 } 2417 2418 requiredInstaller = packageName; 2419 } 2420 2421 if (requiredInstaller == null) { 2422 throw new RuntimeException("There must be one required installer"); 2423 } 2424 2425 return requiredInstaller; 2426 } 2427 2428 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2429 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2430 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2431 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2432 2433 ComponentName verifierComponentName = null; 2434 2435 int priority = -1000; 2436 final int N = receivers.size(); 2437 for (int i = 0; i < N; i++) { 2438 final ResolveInfo info = receivers.get(i); 2439 2440 if (info.activityInfo == null) { 2441 continue; 2442 } 2443 2444 final String packageName = info.activityInfo.packageName; 2445 2446 final PackageSetting ps = mSettings.mPackages.get(packageName); 2447 if (ps == null) { 2448 continue; 2449 } 2450 2451 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2452 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2453 continue; 2454 } 2455 2456 // Select the IntentFilterVerifier with the highest priority 2457 if (priority < info.priority) { 2458 priority = info.priority; 2459 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2460 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2461 + verifierComponentName + " with priority: " + info.priority); 2462 } 2463 } 2464 2465 return verifierComponentName; 2466 } 2467 2468 private void primeDomainVerificationsLPw(int userId) { 2469 if (DEBUG_DOMAIN_VERIFICATION) { 2470 Slog.d(TAG, "Priming domain verifications in user " + userId); 2471 } 2472 2473 SystemConfig systemConfig = SystemConfig.getInstance(); 2474 ArraySet<String> packages = systemConfig.getLinkedApps(); 2475 ArraySet<String> domains = new ArraySet<String>(); 2476 2477 for (String packageName : packages) { 2478 PackageParser.Package pkg = mPackages.get(packageName); 2479 if (pkg != null) { 2480 if (!pkg.isSystemApp()) { 2481 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2482 continue; 2483 } 2484 2485 domains.clear(); 2486 for (PackageParser.Activity a : pkg.activities) { 2487 for (ActivityIntentInfo filter : a.intents) { 2488 if (hasValidDomains(filter)) { 2489 domains.addAll(filter.getHostsList()); 2490 } 2491 } 2492 } 2493 2494 if (domains.size() > 0) { 2495 if (DEBUG_DOMAIN_VERIFICATION) { 2496 Slog.v(TAG, " + " + packageName); 2497 } 2498 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2499 // state w.r.t. the formal app-linkage "no verification attempted" state; 2500 // and then 'always' in the per-user state actually used for intent resolution. 2501 final IntentFilterVerificationInfo ivi; 2502 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2503 new ArrayList<String>(domains)); 2504 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2505 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2506 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2507 } else { 2508 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2509 + "' does not handle web links"); 2510 } 2511 } else { 2512 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2513 } 2514 } 2515 2516 scheduleWritePackageRestrictionsLocked(userId); 2517 scheduleWriteSettingsLocked(); 2518 } 2519 2520 private void applyFactoryDefaultBrowserLPw(int userId) { 2521 // The default browser app's package name is stored in a string resource, 2522 // with a product-specific overlay used for vendor customization. 2523 String browserPkg = mContext.getResources().getString( 2524 com.android.internal.R.string.default_browser); 2525 if (!TextUtils.isEmpty(browserPkg)) { 2526 // non-empty string => required to be a known package 2527 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2528 if (ps == null) { 2529 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2530 browserPkg = null; 2531 } else { 2532 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2533 } 2534 } 2535 2536 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2537 // default. If there's more than one, just leave everything alone. 2538 if (browserPkg == null) { 2539 calculateDefaultBrowserLPw(userId); 2540 } 2541 } 2542 2543 private void calculateDefaultBrowserLPw(int userId) { 2544 List<String> allBrowsers = resolveAllBrowserApps(userId); 2545 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2546 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2547 } 2548 2549 private List<String> resolveAllBrowserApps(int userId) { 2550 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2551 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2552 PackageManager.MATCH_ALL, userId); 2553 2554 final int count = list.size(); 2555 List<String> result = new ArrayList<String>(count); 2556 for (int i=0; i<count; i++) { 2557 ResolveInfo info = list.get(i); 2558 if (info.activityInfo == null 2559 || !info.handleAllWebDataURI 2560 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2561 || result.contains(info.activityInfo.packageName)) { 2562 continue; 2563 } 2564 result.add(info.activityInfo.packageName); 2565 } 2566 2567 return result; 2568 } 2569 2570 private boolean packageIsBrowser(String packageName, int userId) { 2571 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2572 PackageManager.MATCH_ALL, userId); 2573 final int N = list.size(); 2574 for (int i = 0; i < N; i++) { 2575 ResolveInfo info = list.get(i); 2576 if (packageName.equals(info.activityInfo.packageName)) { 2577 return true; 2578 } 2579 } 2580 return false; 2581 } 2582 2583 private void checkDefaultBrowser() { 2584 final int myUserId = UserHandle.myUserId(); 2585 final String packageName = getDefaultBrowserPackageName(myUserId); 2586 if (packageName != null) { 2587 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2588 if (info == null) { 2589 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2590 synchronized (mPackages) { 2591 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2592 } 2593 } 2594 } 2595 } 2596 2597 @Override 2598 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2599 throws RemoteException { 2600 try { 2601 return super.onTransact(code, data, reply, flags); 2602 } catch (RuntimeException e) { 2603 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2604 Slog.wtf(TAG, "Package Manager Crash", e); 2605 } 2606 throw e; 2607 } 2608 } 2609 2610 void cleanupInstallFailedPackage(PackageSetting ps) { 2611 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2612 2613 removeDataDirsLI(ps.volumeUuid, ps.name); 2614 if (ps.codePath != null) { 2615 if (ps.codePath.isDirectory()) { 2616 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2617 } else { 2618 ps.codePath.delete(); 2619 } 2620 } 2621 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2622 if (ps.resourcePath.isDirectory()) { 2623 FileUtils.deleteContents(ps.resourcePath); 2624 } 2625 ps.resourcePath.delete(); 2626 } 2627 mSettings.removePackageLPw(ps.name); 2628 } 2629 2630 static int[] appendInts(int[] cur, int[] add) { 2631 if (add == null) return cur; 2632 if (cur == null) return add; 2633 final int N = add.length; 2634 for (int i=0; i<N; i++) { 2635 cur = appendInt(cur, add[i]); 2636 } 2637 return cur; 2638 } 2639 2640 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2641 if (!sUserManager.exists(userId)) return null; 2642 final PackageSetting ps = (PackageSetting) p.mExtras; 2643 if (ps == null) { 2644 return null; 2645 } 2646 2647 final PermissionsState permissionsState = ps.getPermissionsState(); 2648 2649 final int[] gids = permissionsState.computeGids(userId); 2650 final Set<String> permissions = permissionsState.getPermissions(userId); 2651 final PackageUserState state = ps.readUserState(userId); 2652 2653 return PackageParser.generatePackageInfo(p, gids, flags, 2654 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2655 } 2656 2657 @Override 2658 public boolean isPackageFrozen(String packageName) { 2659 synchronized (mPackages) { 2660 final PackageSetting ps = mSettings.mPackages.get(packageName); 2661 if (ps != null) { 2662 return ps.frozen; 2663 } 2664 } 2665 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2666 return true; 2667 } 2668 2669 @Override 2670 public boolean isPackageAvailable(String packageName, int userId) { 2671 if (!sUserManager.exists(userId)) return false; 2672 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2673 synchronized (mPackages) { 2674 PackageParser.Package p = mPackages.get(packageName); 2675 if (p != null) { 2676 final PackageSetting ps = (PackageSetting) p.mExtras; 2677 if (ps != null) { 2678 final PackageUserState state = ps.readUserState(userId); 2679 if (state != null) { 2680 return PackageParser.isAvailable(state); 2681 } 2682 } 2683 } 2684 } 2685 return false; 2686 } 2687 2688 @Override 2689 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2690 if (!sUserManager.exists(userId)) return null; 2691 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2692 // reader 2693 synchronized (mPackages) { 2694 PackageParser.Package p = mPackages.get(packageName); 2695 if (DEBUG_PACKAGE_INFO) 2696 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2697 if (p != null) { 2698 return generatePackageInfo(p, flags, userId); 2699 } 2700 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2701 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2702 } 2703 } 2704 return null; 2705 } 2706 2707 @Override 2708 public String[] currentToCanonicalPackageNames(String[] names) { 2709 String[] out = new String[names.length]; 2710 // reader 2711 synchronized (mPackages) { 2712 for (int i=names.length-1; i>=0; i--) { 2713 PackageSetting ps = mSettings.mPackages.get(names[i]); 2714 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2715 } 2716 } 2717 return out; 2718 } 2719 2720 @Override 2721 public String[] canonicalToCurrentPackageNames(String[] names) { 2722 String[] out = new String[names.length]; 2723 // reader 2724 synchronized (mPackages) { 2725 for (int i=names.length-1; i>=0; i--) { 2726 String cur = mSettings.mRenamedPackages.get(names[i]); 2727 out[i] = cur != null ? cur : names[i]; 2728 } 2729 } 2730 return out; 2731 } 2732 2733 @Override 2734 public int getPackageUid(String packageName, int userId) { 2735 if (!sUserManager.exists(userId)) return -1; 2736 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2737 2738 // reader 2739 synchronized (mPackages) { 2740 PackageParser.Package p = mPackages.get(packageName); 2741 if(p != null) { 2742 return UserHandle.getUid(userId, p.applicationInfo.uid); 2743 } 2744 PackageSetting ps = mSettings.mPackages.get(packageName); 2745 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2746 return -1; 2747 } 2748 p = ps.pkg; 2749 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2750 } 2751 } 2752 2753 @Override 2754 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2755 if (!sUserManager.exists(userId)) { 2756 return null; 2757 } 2758 2759 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2760 "getPackageGids"); 2761 2762 // reader 2763 synchronized (mPackages) { 2764 PackageParser.Package p = mPackages.get(packageName); 2765 if (DEBUG_PACKAGE_INFO) { 2766 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2767 } 2768 if (p != null) { 2769 PackageSetting ps = (PackageSetting) p.mExtras; 2770 return ps.getPermissionsState().computeGids(userId); 2771 } 2772 } 2773 2774 return null; 2775 } 2776 2777 static PermissionInfo generatePermissionInfo( 2778 BasePermission bp, int flags) { 2779 if (bp.perm != null) { 2780 return PackageParser.generatePermissionInfo(bp.perm, flags); 2781 } 2782 PermissionInfo pi = new PermissionInfo(); 2783 pi.name = bp.name; 2784 pi.packageName = bp.sourcePackage; 2785 pi.nonLocalizedLabel = bp.name; 2786 pi.protectionLevel = bp.protectionLevel; 2787 return pi; 2788 } 2789 2790 @Override 2791 public PermissionInfo getPermissionInfo(String name, int flags) { 2792 // reader 2793 synchronized (mPackages) { 2794 final BasePermission p = mSettings.mPermissions.get(name); 2795 if (p != null) { 2796 return generatePermissionInfo(p, flags); 2797 } 2798 return null; 2799 } 2800 } 2801 2802 @Override 2803 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2804 // reader 2805 synchronized (mPackages) { 2806 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2807 for (BasePermission p : mSettings.mPermissions.values()) { 2808 if (group == null) { 2809 if (p.perm == null || p.perm.info.group == null) { 2810 out.add(generatePermissionInfo(p, flags)); 2811 } 2812 } else { 2813 if (p.perm != null && group.equals(p.perm.info.group)) { 2814 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2815 } 2816 } 2817 } 2818 2819 if (out.size() > 0) { 2820 return out; 2821 } 2822 return mPermissionGroups.containsKey(group) ? out : null; 2823 } 2824 } 2825 2826 @Override 2827 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2828 // reader 2829 synchronized (mPackages) { 2830 return PackageParser.generatePermissionGroupInfo( 2831 mPermissionGroups.get(name), flags); 2832 } 2833 } 2834 2835 @Override 2836 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2837 // reader 2838 synchronized (mPackages) { 2839 final int N = mPermissionGroups.size(); 2840 ArrayList<PermissionGroupInfo> out 2841 = new ArrayList<PermissionGroupInfo>(N); 2842 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2843 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2844 } 2845 return out; 2846 } 2847 } 2848 2849 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2850 int userId) { 2851 if (!sUserManager.exists(userId)) return null; 2852 PackageSetting ps = mSettings.mPackages.get(packageName); 2853 if (ps != null) { 2854 if (ps.pkg == null) { 2855 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2856 flags, userId); 2857 if (pInfo != null) { 2858 return pInfo.applicationInfo; 2859 } 2860 return null; 2861 } 2862 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2863 ps.readUserState(userId), userId); 2864 } 2865 return null; 2866 } 2867 2868 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2869 int userId) { 2870 if (!sUserManager.exists(userId)) return null; 2871 PackageSetting ps = mSettings.mPackages.get(packageName); 2872 if (ps != null) { 2873 PackageParser.Package pkg = ps.pkg; 2874 if (pkg == null) { 2875 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2876 return null; 2877 } 2878 // Only data remains, so we aren't worried about code paths 2879 pkg = new PackageParser.Package(packageName); 2880 pkg.applicationInfo.packageName = packageName; 2881 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2882 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2883 pkg.applicationInfo.dataDir = Environment 2884 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2885 .getAbsolutePath(); 2886 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2887 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2888 } 2889 return generatePackageInfo(pkg, flags, userId); 2890 } 2891 return null; 2892 } 2893 2894 @Override 2895 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2896 if (!sUserManager.exists(userId)) return null; 2897 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2898 // writer 2899 synchronized (mPackages) { 2900 PackageParser.Package p = mPackages.get(packageName); 2901 if (DEBUG_PACKAGE_INFO) Log.v( 2902 TAG, "getApplicationInfo " + packageName 2903 + ": " + p); 2904 if (p != null) { 2905 PackageSetting ps = mSettings.mPackages.get(packageName); 2906 if (ps == null) return null; 2907 // Note: isEnabledLP() does not apply here - always return info 2908 return PackageParser.generateApplicationInfo( 2909 p, flags, ps.readUserState(userId), userId); 2910 } 2911 if ("android".equals(packageName)||"system".equals(packageName)) { 2912 return mAndroidApplication; 2913 } 2914 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2915 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2916 } 2917 } 2918 return null; 2919 } 2920 2921 @Override 2922 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2923 final IPackageDataObserver observer) { 2924 mContext.enforceCallingOrSelfPermission( 2925 android.Manifest.permission.CLEAR_APP_CACHE, null); 2926 // Queue up an async operation since clearing cache may take a little while. 2927 mHandler.post(new Runnable() { 2928 public void run() { 2929 mHandler.removeCallbacks(this); 2930 int retCode = -1; 2931 synchronized (mInstallLock) { 2932 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2933 if (retCode < 0) { 2934 Slog.w(TAG, "Couldn't clear application caches"); 2935 } 2936 } 2937 if (observer != null) { 2938 try { 2939 observer.onRemoveCompleted(null, (retCode >= 0)); 2940 } catch (RemoteException e) { 2941 Slog.w(TAG, "RemoveException when invoking call back"); 2942 } 2943 } 2944 } 2945 }); 2946 } 2947 2948 @Override 2949 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2950 final IntentSender pi) { 2951 mContext.enforceCallingOrSelfPermission( 2952 android.Manifest.permission.CLEAR_APP_CACHE, null); 2953 // Queue up an async operation since clearing cache may take a little while. 2954 mHandler.post(new Runnable() { 2955 public void run() { 2956 mHandler.removeCallbacks(this); 2957 int retCode = -1; 2958 synchronized (mInstallLock) { 2959 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2960 if (retCode < 0) { 2961 Slog.w(TAG, "Couldn't clear application caches"); 2962 } 2963 } 2964 if(pi != null) { 2965 try { 2966 // Callback via pending intent 2967 int code = (retCode >= 0) ? 1 : 0; 2968 pi.sendIntent(null, code, null, 2969 null, null); 2970 } catch (SendIntentException e1) { 2971 Slog.i(TAG, "Failed to send pending intent"); 2972 } 2973 } 2974 } 2975 }); 2976 } 2977 2978 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 2979 synchronized (mInstallLock) { 2980 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 2981 throw new IOException("Failed to free enough space"); 2982 } 2983 } 2984 } 2985 2986 @Override 2987 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2988 if (!sUserManager.exists(userId)) return null; 2989 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2990 synchronized (mPackages) { 2991 PackageParser.Activity a = mActivities.mActivities.get(component); 2992 2993 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2994 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2995 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2996 if (ps == null) return null; 2997 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2998 userId); 2999 } 3000 if (mResolveComponentName.equals(component)) { 3001 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3002 new PackageUserState(), userId); 3003 } 3004 } 3005 return null; 3006 } 3007 3008 @Override 3009 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3010 String resolvedType) { 3011 synchronized (mPackages) { 3012 if (component.equals(mResolveComponentName)) { 3013 // The resolver supports EVERYTHING! 3014 return true; 3015 } 3016 PackageParser.Activity a = mActivities.mActivities.get(component); 3017 if (a == null) { 3018 return false; 3019 } 3020 for (int i=0; i<a.intents.size(); i++) { 3021 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3022 intent.getData(), intent.getCategories(), TAG) >= 0) { 3023 return true; 3024 } 3025 } 3026 return false; 3027 } 3028 } 3029 3030 @Override 3031 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3032 if (!sUserManager.exists(userId)) return null; 3033 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3034 synchronized (mPackages) { 3035 PackageParser.Activity a = mReceivers.mActivities.get(component); 3036 if (DEBUG_PACKAGE_INFO) Log.v( 3037 TAG, "getReceiverInfo " + component + ": " + a); 3038 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3039 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3040 if (ps == null) return null; 3041 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3042 userId); 3043 } 3044 } 3045 return null; 3046 } 3047 3048 @Override 3049 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3050 if (!sUserManager.exists(userId)) return null; 3051 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3052 synchronized (mPackages) { 3053 PackageParser.Service s = mServices.mServices.get(component); 3054 if (DEBUG_PACKAGE_INFO) Log.v( 3055 TAG, "getServiceInfo " + component + ": " + s); 3056 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3057 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3058 if (ps == null) return null; 3059 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3060 userId); 3061 } 3062 } 3063 return null; 3064 } 3065 3066 @Override 3067 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3068 if (!sUserManager.exists(userId)) return null; 3069 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3070 synchronized (mPackages) { 3071 PackageParser.Provider p = mProviders.mProviders.get(component); 3072 if (DEBUG_PACKAGE_INFO) Log.v( 3073 TAG, "getProviderInfo " + component + ": " + p); 3074 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3075 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3076 if (ps == null) return null; 3077 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3078 userId); 3079 } 3080 } 3081 return null; 3082 } 3083 3084 @Override 3085 public String[] getSystemSharedLibraryNames() { 3086 Set<String> libSet; 3087 synchronized (mPackages) { 3088 libSet = mSharedLibraries.keySet(); 3089 int size = libSet.size(); 3090 if (size > 0) { 3091 String[] libs = new String[size]; 3092 libSet.toArray(libs); 3093 return libs; 3094 } 3095 } 3096 return null; 3097 } 3098 3099 /** 3100 * @hide 3101 */ 3102 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3103 synchronized (mPackages) { 3104 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3105 if (lib != null && lib.apk != null) { 3106 return mPackages.get(lib.apk); 3107 } 3108 } 3109 return null; 3110 } 3111 3112 @Override 3113 public FeatureInfo[] getSystemAvailableFeatures() { 3114 Collection<FeatureInfo> featSet; 3115 synchronized (mPackages) { 3116 featSet = mAvailableFeatures.values(); 3117 int size = featSet.size(); 3118 if (size > 0) { 3119 FeatureInfo[] features = new FeatureInfo[size+1]; 3120 featSet.toArray(features); 3121 FeatureInfo fi = new FeatureInfo(); 3122 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3123 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3124 features[size] = fi; 3125 return features; 3126 } 3127 } 3128 return null; 3129 } 3130 3131 @Override 3132 public boolean hasSystemFeature(String name) { 3133 synchronized (mPackages) { 3134 return mAvailableFeatures.containsKey(name); 3135 } 3136 } 3137 3138 private void checkValidCaller(int uid, int userId) { 3139 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3140 return; 3141 3142 throw new SecurityException("Caller uid=" + uid 3143 + " is not privileged to communicate with user=" + userId); 3144 } 3145 3146 @Override 3147 public int checkPermission(String permName, String pkgName, int userId) { 3148 if (!sUserManager.exists(userId)) { 3149 return PackageManager.PERMISSION_DENIED; 3150 } 3151 3152 synchronized (mPackages) { 3153 final PackageParser.Package p = mPackages.get(pkgName); 3154 if (p != null && p.mExtras != null) { 3155 final PackageSetting ps = (PackageSetting) p.mExtras; 3156 final PermissionsState permissionsState = ps.getPermissionsState(); 3157 if (permissionsState.hasPermission(permName, userId)) { 3158 return PackageManager.PERMISSION_GRANTED; 3159 } 3160 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3161 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3162 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3163 return PackageManager.PERMISSION_GRANTED; 3164 } 3165 } 3166 } 3167 3168 return PackageManager.PERMISSION_DENIED; 3169 } 3170 3171 @Override 3172 public int checkUidPermission(String permName, int uid) { 3173 final int userId = UserHandle.getUserId(uid); 3174 3175 if (!sUserManager.exists(userId)) { 3176 return PackageManager.PERMISSION_DENIED; 3177 } 3178 3179 synchronized (mPackages) { 3180 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3181 if (obj != null) { 3182 final SettingBase ps = (SettingBase) obj; 3183 final PermissionsState permissionsState = ps.getPermissionsState(); 3184 if (permissionsState.hasPermission(permName, userId)) { 3185 return PackageManager.PERMISSION_GRANTED; 3186 } 3187 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3188 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3189 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3190 return PackageManager.PERMISSION_GRANTED; 3191 } 3192 } else { 3193 ArraySet<String> perms = mSystemPermissions.get(uid); 3194 if (perms != null) { 3195 if (perms.contains(permName)) { 3196 return PackageManager.PERMISSION_GRANTED; 3197 } 3198 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3199 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3200 return PackageManager.PERMISSION_GRANTED; 3201 } 3202 } 3203 } 3204 } 3205 3206 return PackageManager.PERMISSION_DENIED; 3207 } 3208 3209 @Override 3210 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3211 if (UserHandle.getCallingUserId() != userId) { 3212 mContext.enforceCallingPermission( 3213 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3214 "isPermissionRevokedByPolicy for user " + userId); 3215 } 3216 3217 if (checkPermission(permission, packageName, userId) 3218 == PackageManager.PERMISSION_GRANTED) { 3219 return false; 3220 } 3221 3222 final long identity = Binder.clearCallingIdentity(); 3223 try { 3224 final int flags = getPermissionFlags(permission, packageName, userId); 3225 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3226 } finally { 3227 Binder.restoreCallingIdentity(identity); 3228 } 3229 } 3230 3231 @Override 3232 public String getPermissionControllerPackageName() { 3233 synchronized (mPackages) { 3234 return mRequiredInstallerPackage; 3235 } 3236 } 3237 3238 /** 3239 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3240 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3241 * @param checkShell TODO(yamasani): 3242 * @param message the message to log on security exception 3243 */ 3244 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3245 boolean checkShell, String message) { 3246 if (userId < 0) { 3247 throw new IllegalArgumentException("Invalid userId " + userId); 3248 } 3249 if (checkShell) { 3250 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3251 } 3252 if (userId == UserHandle.getUserId(callingUid)) return; 3253 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3254 if (requireFullPermission) { 3255 mContext.enforceCallingOrSelfPermission( 3256 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3257 } else { 3258 try { 3259 mContext.enforceCallingOrSelfPermission( 3260 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3261 } catch (SecurityException se) { 3262 mContext.enforceCallingOrSelfPermission( 3263 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3264 } 3265 } 3266 } 3267 } 3268 3269 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3270 if (callingUid == Process.SHELL_UID) { 3271 if (userHandle >= 0 3272 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3273 throw new SecurityException("Shell does not have permission to access user " 3274 + userHandle); 3275 } else if (userHandle < 0) { 3276 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3277 + Debug.getCallers(3)); 3278 } 3279 } 3280 } 3281 3282 private BasePermission findPermissionTreeLP(String permName) { 3283 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3284 if (permName.startsWith(bp.name) && 3285 permName.length() > bp.name.length() && 3286 permName.charAt(bp.name.length()) == '.') { 3287 return bp; 3288 } 3289 } 3290 return null; 3291 } 3292 3293 private BasePermission checkPermissionTreeLP(String permName) { 3294 if (permName != null) { 3295 BasePermission bp = findPermissionTreeLP(permName); 3296 if (bp != null) { 3297 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3298 return bp; 3299 } 3300 throw new SecurityException("Calling uid " 3301 + Binder.getCallingUid() 3302 + " is not allowed to add to permission tree " 3303 + bp.name + " owned by uid " + bp.uid); 3304 } 3305 } 3306 throw new SecurityException("No permission tree found for " + permName); 3307 } 3308 3309 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3310 if (s1 == null) { 3311 return s2 == null; 3312 } 3313 if (s2 == null) { 3314 return false; 3315 } 3316 if (s1.getClass() != s2.getClass()) { 3317 return false; 3318 } 3319 return s1.equals(s2); 3320 } 3321 3322 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3323 if (pi1.icon != pi2.icon) return false; 3324 if (pi1.logo != pi2.logo) return false; 3325 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3326 if (!compareStrings(pi1.name, pi2.name)) return false; 3327 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3328 // We'll take care of setting this one. 3329 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3330 // These are not currently stored in settings. 3331 //if (!compareStrings(pi1.group, pi2.group)) return false; 3332 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3333 //if (pi1.labelRes != pi2.labelRes) return false; 3334 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3335 return true; 3336 } 3337 3338 int permissionInfoFootprint(PermissionInfo info) { 3339 int size = info.name.length(); 3340 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3341 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3342 return size; 3343 } 3344 3345 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3346 int size = 0; 3347 for (BasePermission perm : mSettings.mPermissions.values()) { 3348 if (perm.uid == tree.uid) { 3349 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3350 } 3351 } 3352 return size; 3353 } 3354 3355 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3356 // We calculate the max size of permissions defined by this uid and throw 3357 // if that plus the size of 'info' would exceed our stated maximum. 3358 if (tree.uid != Process.SYSTEM_UID) { 3359 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3360 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3361 throw new SecurityException("Permission tree size cap exceeded"); 3362 } 3363 } 3364 } 3365 3366 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3367 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3368 throw new SecurityException("Label must be specified in permission"); 3369 } 3370 BasePermission tree = checkPermissionTreeLP(info.name); 3371 BasePermission bp = mSettings.mPermissions.get(info.name); 3372 boolean added = bp == null; 3373 boolean changed = true; 3374 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3375 if (added) { 3376 enforcePermissionCapLocked(info, tree); 3377 bp = new BasePermission(info.name, tree.sourcePackage, 3378 BasePermission.TYPE_DYNAMIC); 3379 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3380 throw new SecurityException( 3381 "Not allowed to modify non-dynamic permission " 3382 + info.name); 3383 } else { 3384 if (bp.protectionLevel == fixedLevel 3385 && bp.perm.owner.equals(tree.perm.owner) 3386 && bp.uid == tree.uid 3387 && comparePermissionInfos(bp.perm.info, info)) { 3388 changed = false; 3389 } 3390 } 3391 bp.protectionLevel = fixedLevel; 3392 info = new PermissionInfo(info); 3393 info.protectionLevel = fixedLevel; 3394 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3395 bp.perm.info.packageName = tree.perm.info.packageName; 3396 bp.uid = tree.uid; 3397 if (added) { 3398 mSettings.mPermissions.put(info.name, bp); 3399 } 3400 if (changed) { 3401 if (!async) { 3402 mSettings.writeLPr(); 3403 } else { 3404 scheduleWriteSettingsLocked(); 3405 } 3406 } 3407 return added; 3408 } 3409 3410 @Override 3411 public boolean addPermission(PermissionInfo info) { 3412 synchronized (mPackages) { 3413 return addPermissionLocked(info, false); 3414 } 3415 } 3416 3417 @Override 3418 public boolean addPermissionAsync(PermissionInfo info) { 3419 synchronized (mPackages) { 3420 return addPermissionLocked(info, true); 3421 } 3422 } 3423 3424 @Override 3425 public void removePermission(String name) { 3426 synchronized (mPackages) { 3427 checkPermissionTreeLP(name); 3428 BasePermission bp = mSettings.mPermissions.get(name); 3429 if (bp != null) { 3430 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3431 throw new SecurityException( 3432 "Not allowed to modify non-dynamic permission " 3433 + name); 3434 } 3435 mSettings.mPermissions.remove(name); 3436 mSettings.writeLPr(); 3437 } 3438 } 3439 } 3440 3441 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3442 BasePermission bp) { 3443 int index = pkg.requestedPermissions.indexOf(bp.name); 3444 if (index == -1) { 3445 throw new SecurityException("Package " + pkg.packageName 3446 + " has not requested permission " + bp.name); 3447 } 3448 if (!bp.isRuntime() && !bp.isDevelopment()) { 3449 throw new SecurityException("Permission " + bp.name 3450 + " is not a changeable permission type"); 3451 } 3452 } 3453 3454 @Override 3455 public void grantRuntimePermission(String packageName, String name, final int userId) { 3456 if (!sUserManager.exists(userId)) { 3457 Log.e(TAG, "No such user:" + userId); 3458 return; 3459 } 3460 3461 mContext.enforceCallingOrSelfPermission( 3462 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3463 "grantRuntimePermission"); 3464 3465 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3466 "grantRuntimePermission"); 3467 3468 final int uid; 3469 final SettingBase sb; 3470 3471 synchronized (mPackages) { 3472 final PackageParser.Package pkg = mPackages.get(packageName); 3473 if (pkg == null) { 3474 throw new IllegalArgumentException("Unknown package: " + packageName); 3475 } 3476 3477 final BasePermission bp = mSettings.mPermissions.get(name); 3478 if (bp == null) { 3479 throw new IllegalArgumentException("Unknown permission: " + name); 3480 } 3481 3482 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3483 3484 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3485 sb = (SettingBase) pkg.mExtras; 3486 if (sb == null) { 3487 throw new IllegalArgumentException("Unknown package: " + packageName); 3488 } 3489 3490 final PermissionsState permissionsState = sb.getPermissionsState(); 3491 3492 final int flags = permissionsState.getPermissionFlags(name, userId); 3493 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3494 throw new SecurityException("Cannot grant system fixed permission: " 3495 + name + " for package: " + packageName); 3496 } 3497 3498 if (bp.isDevelopment()) { 3499 // Development permissions must be handled specially, since they are not 3500 // normal runtime permissions. For now they apply to all users. 3501 if (permissionsState.grantInstallPermission(bp) != 3502 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3503 scheduleWriteSettingsLocked(); 3504 } 3505 return; 3506 } 3507 3508 final int result = permissionsState.grantRuntimePermission(bp, userId); 3509 switch (result) { 3510 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3511 return; 3512 } 3513 3514 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3515 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3516 mHandler.post(new Runnable() { 3517 @Override 3518 public void run() { 3519 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3520 } 3521 }); 3522 } break; 3523 } 3524 3525 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3526 3527 // Not critical if that is lost - app has to request again. 3528 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3529 } 3530 3531 // Only need to do this if user is initialized. Otherwise it's a new user 3532 // and there are no processes running as the user yet and there's no need 3533 // to make an expensive call to remount processes for the changed permissions. 3534 if (READ_EXTERNAL_STORAGE.equals(name) 3535 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3536 final long token = Binder.clearCallingIdentity(); 3537 try { 3538 if (sUserManager.isInitialized(userId)) { 3539 MountServiceInternal mountServiceInternal = LocalServices.getService( 3540 MountServiceInternal.class); 3541 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3542 } 3543 } finally { 3544 Binder.restoreCallingIdentity(token); 3545 } 3546 } 3547 } 3548 3549 @Override 3550 public void revokeRuntimePermission(String packageName, String name, int userId) { 3551 if (!sUserManager.exists(userId)) { 3552 Log.e(TAG, "No such user:" + userId); 3553 return; 3554 } 3555 3556 mContext.enforceCallingOrSelfPermission( 3557 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3558 "revokeRuntimePermission"); 3559 3560 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3561 "revokeRuntimePermission"); 3562 3563 final int appId; 3564 3565 synchronized (mPackages) { 3566 final PackageParser.Package pkg = mPackages.get(packageName); 3567 if (pkg == null) { 3568 throw new IllegalArgumentException("Unknown package: " + packageName); 3569 } 3570 3571 final BasePermission bp = mSettings.mPermissions.get(name); 3572 if (bp == null) { 3573 throw new IllegalArgumentException("Unknown permission: " + name); 3574 } 3575 3576 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3577 3578 SettingBase sb = (SettingBase) pkg.mExtras; 3579 if (sb == null) { 3580 throw new IllegalArgumentException("Unknown package: " + packageName); 3581 } 3582 3583 final PermissionsState permissionsState = sb.getPermissionsState(); 3584 3585 final int flags = permissionsState.getPermissionFlags(name, userId); 3586 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3587 throw new SecurityException("Cannot revoke system fixed permission: " 3588 + name + " for package: " + packageName); 3589 } 3590 3591 if (bp.isDevelopment()) { 3592 // Development permissions must be handled specially, since they are not 3593 // normal runtime permissions. For now they apply to all users. 3594 if (permissionsState.revokeInstallPermission(bp) != 3595 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3596 scheduleWriteSettingsLocked(); 3597 } 3598 return; 3599 } 3600 3601 if (permissionsState.revokeRuntimePermission(bp, userId) == 3602 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3603 return; 3604 } 3605 3606 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3607 3608 // Critical, after this call app should never have the permission. 3609 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3610 3611 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3612 } 3613 3614 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3615 } 3616 3617 @Override 3618 public void resetRuntimePermissions() { 3619 mContext.enforceCallingOrSelfPermission( 3620 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3621 "revokeRuntimePermission"); 3622 3623 int callingUid = Binder.getCallingUid(); 3624 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3625 mContext.enforceCallingOrSelfPermission( 3626 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3627 "resetRuntimePermissions"); 3628 } 3629 3630 synchronized (mPackages) { 3631 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3632 for (int userId : UserManagerService.getInstance().getUserIds()) { 3633 final int packageCount = mPackages.size(); 3634 for (int i = 0; i < packageCount; i++) { 3635 PackageParser.Package pkg = mPackages.valueAt(i); 3636 if (!(pkg.mExtras instanceof PackageSetting)) { 3637 continue; 3638 } 3639 PackageSetting ps = (PackageSetting) pkg.mExtras; 3640 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3641 } 3642 } 3643 } 3644 } 3645 3646 @Override 3647 public int getPermissionFlags(String name, String packageName, int userId) { 3648 if (!sUserManager.exists(userId)) { 3649 return 0; 3650 } 3651 3652 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3653 3654 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3655 "getPermissionFlags"); 3656 3657 synchronized (mPackages) { 3658 final PackageParser.Package pkg = mPackages.get(packageName); 3659 if (pkg == null) { 3660 throw new IllegalArgumentException("Unknown package: " + packageName); 3661 } 3662 3663 final BasePermission bp = mSettings.mPermissions.get(name); 3664 if (bp == null) { 3665 throw new IllegalArgumentException("Unknown permission: " + name); 3666 } 3667 3668 SettingBase sb = (SettingBase) pkg.mExtras; 3669 if (sb == null) { 3670 throw new IllegalArgumentException("Unknown package: " + packageName); 3671 } 3672 3673 PermissionsState permissionsState = sb.getPermissionsState(); 3674 return permissionsState.getPermissionFlags(name, userId); 3675 } 3676 } 3677 3678 @Override 3679 public void updatePermissionFlags(String name, String packageName, int flagMask, 3680 int flagValues, int userId) { 3681 if (!sUserManager.exists(userId)) { 3682 return; 3683 } 3684 3685 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3686 3687 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3688 "updatePermissionFlags"); 3689 3690 // Only the system can change these flags and nothing else. 3691 if (getCallingUid() != Process.SYSTEM_UID) { 3692 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3693 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3694 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3695 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3696 } 3697 3698 synchronized (mPackages) { 3699 final PackageParser.Package pkg = mPackages.get(packageName); 3700 if (pkg == null) { 3701 throw new IllegalArgumentException("Unknown package: " + packageName); 3702 } 3703 3704 final BasePermission bp = mSettings.mPermissions.get(name); 3705 if (bp == null) { 3706 throw new IllegalArgumentException("Unknown permission: " + name); 3707 } 3708 3709 SettingBase sb = (SettingBase) pkg.mExtras; 3710 if (sb == null) { 3711 throw new IllegalArgumentException("Unknown package: " + packageName); 3712 } 3713 3714 PermissionsState permissionsState = sb.getPermissionsState(); 3715 3716 // Only the package manager can change flags for system component permissions. 3717 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3718 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3719 return; 3720 } 3721 3722 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3723 3724 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3725 // Install and runtime permissions are stored in different places, 3726 // so figure out what permission changed and persist the change. 3727 if (permissionsState.getInstallPermissionState(name) != null) { 3728 scheduleWriteSettingsLocked(); 3729 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3730 || hadState) { 3731 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3732 } 3733 } 3734 } 3735 } 3736 3737 /** 3738 * Update the permission flags for all packages and runtime permissions of a user in order 3739 * to allow device or profile owner to remove POLICY_FIXED. 3740 */ 3741 @Override 3742 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3743 if (!sUserManager.exists(userId)) { 3744 return; 3745 } 3746 3747 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3748 3749 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3750 "updatePermissionFlagsForAllApps"); 3751 3752 // Only the system can change system fixed flags. 3753 if (getCallingUid() != Process.SYSTEM_UID) { 3754 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3755 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3756 } 3757 3758 synchronized (mPackages) { 3759 boolean changed = false; 3760 final int packageCount = mPackages.size(); 3761 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3762 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3763 SettingBase sb = (SettingBase) pkg.mExtras; 3764 if (sb == null) { 3765 continue; 3766 } 3767 PermissionsState permissionsState = sb.getPermissionsState(); 3768 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3769 userId, flagMask, flagValues); 3770 } 3771 if (changed) { 3772 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3773 } 3774 } 3775 } 3776 3777 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3778 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3779 != PackageManager.PERMISSION_GRANTED 3780 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3781 != PackageManager.PERMISSION_GRANTED) { 3782 throw new SecurityException(message + " requires " 3783 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3784 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3785 } 3786 } 3787 3788 @Override 3789 public boolean shouldShowRequestPermissionRationale(String permissionName, 3790 String packageName, int userId) { 3791 if (UserHandle.getCallingUserId() != userId) { 3792 mContext.enforceCallingPermission( 3793 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3794 "canShowRequestPermissionRationale for user " + userId); 3795 } 3796 3797 final int uid = getPackageUid(packageName, userId); 3798 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3799 return false; 3800 } 3801 3802 if (checkPermission(permissionName, packageName, userId) 3803 == PackageManager.PERMISSION_GRANTED) { 3804 return false; 3805 } 3806 3807 final int flags; 3808 3809 final long identity = Binder.clearCallingIdentity(); 3810 try { 3811 flags = getPermissionFlags(permissionName, 3812 packageName, userId); 3813 } finally { 3814 Binder.restoreCallingIdentity(identity); 3815 } 3816 3817 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3818 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3819 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3820 3821 if ((flags & fixedFlags) != 0) { 3822 return false; 3823 } 3824 3825 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3826 } 3827 3828 @Override 3829 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3830 mContext.enforceCallingOrSelfPermission( 3831 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3832 "addOnPermissionsChangeListener"); 3833 3834 synchronized (mPackages) { 3835 mOnPermissionChangeListeners.addListenerLocked(listener); 3836 } 3837 } 3838 3839 @Override 3840 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3841 synchronized (mPackages) { 3842 mOnPermissionChangeListeners.removeListenerLocked(listener); 3843 } 3844 } 3845 3846 @Override 3847 public boolean isProtectedBroadcast(String actionName) { 3848 synchronized (mPackages) { 3849 return mProtectedBroadcasts.contains(actionName); 3850 } 3851 } 3852 3853 @Override 3854 public int checkSignatures(String pkg1, String pkg2) { 3855 synchronized (mPackages) { 3856 final PackageParser.Package p1 = mPackages.get(pkg1); 3857 final PackageParser.Package p2 = mPackages.get(pkg2); 3858 if (p1 == null || p1.mExtras == null 3859 || p2 == null || p2.mExtras == null) { 3860 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3861 } 3862 return compareSignatures(p1.mSignatures, p2.mSignatures); 3863 } 3864 } 3865 3866 @Override 3867 public int checkUidSignatures(int uid1, int uid2) { 3868 // Map to base uids. 3869 uid1 = UserHandle.getAppId(uid1); 3870 uid2 = UserHandle.getAppId(uid2); 3871 // reader 3872 synchronized (mPackages) { 3873 Signature[] s1; 3874 Signature[] s2; 3875 Object obj = mSettings.getUserIdLPr(uid1); 3876 if (obj != null) { 3877 if (obj instanceof SharedUserSetting) { 3878 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3879 } else if (obj instanceof PackageSetting) { 3880 s1 = ((PackageSetting)obj).signatures.mSignatures; 3881 } else { 3882 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3883 } 3884 } else { 3885 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3886 } 3887 obj = mSettings.getUserIdLPr(uid2); 3888 if (obj != null) { 3889 if (obj instanceof SharedUserSetting) { 3890 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3891 } else if (obj instanceof PackageSetting) { 3892 s2 = ((PackageSetting)obj).signatures.mSignatures; 3893 } else { 3894 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3895 } 3896 } else { 3897 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3898 } 3899 return compareSignatures(s1, s2); 3900 } 3901 } 3902 3903 private void killUid(int appId, int userId, String reason) { 3904 final long identity = Binder.clearCallingIdentity(); 3905 try { 3906 IActivityManager am = ActivityManagerNative.getDefault(); 3907 if (am != null) { 3908 try { 3909 am.killUid(appId, userId, reason); 3910 } catch (RemoteException e) { 3911 /* ignore - same process */ 3912 } 3913 } 3914 } finally { 3915 Binder.restoreCallingIdentity(identity); 3916 } 3917 } 3918 3919 /** 3920 * Compares two sets of signatures. Returns: 3921 * <br /> 3922 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3923 * <br /> 3924 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3925 * <br /> 3926 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3927 * <br /> 3928 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3929 * <br /> 3930 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3931 */ 3932 static int compareSignatures(Signature[] s1, Signature[] s2) { 3933 if (s1 == null) { 3934 return s2 == null 3935 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3936 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3937 } 3938 3939 if (s2 == null) { 3940 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3941 } 3942 3943 if (s1.length != s2.length) { 3944 return PackageManager.SIGNATURE_NO_MATCH; 3945 } 3946 3947 // Since both signature sets are of size 1, we can compare without HashSets. 3948 if (s1.length == 1) { 3949 return s1[0].equals(s2[0]) ? 3950 PackageManager.SIGNATURE_MATCH : 3951 PackageManager.SIGNATURE_NO_MATCH; 3952 } 3953 3954 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3955 for (Signature sig : s1) { 3956 set1.add(sig); 3957 } 3958 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3959 for (Signature sig : s2) { 3960 set2.add(sig); 3961 } 3962 // Make sure s2 contains all signatures in s1. 3963 if (set1.equals(set2)) { 3964 return PackageManager.SIGNATURE_MATCH; 3965 } 3966 return PackageManager.SIGNATURE_NO_MATCH; 3967 } 3968 3969 /** 3970 * If the database version for this type of package (internal storage or 3971 * external storage) is less than the version where package signatures 3972 * were updated, return true. 3973 */ 3974 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3975 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 3976 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 3977 } 3978 3979 /** 3980 * Used for backward compatibility to make sure any packages with 3981 * certificate chains get upgraded to the new style. {@code existingSigs} 3982 * will be in the old format (since they were stored on disk from before the 3983 * system upgrade) and {@code scannedSigs} will be in the newer format. 3984 */ 3985 private int compareSignaturesCompat(PackageSignatures existingSigs, 3986 PackageParser.Package scannedPkg) { 3987 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3988 return PackageManager.SIGNATURE_NO_MATCH; 3989 } 3990 3991 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3992 for (Signature sig : existingSigs.mSignatures) { 3993 existingSet.add(sig); 3994 } 3995 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3996 for (Signature sig : scannedPkg.mSignatures) { 3997 try { 3998 Signature[] chainSignatures = sig.getChainSignatures(); 3999 for (Signature chainSig : chainSignatures) { 4000 scannedCompatSet.add(chainSig); 4001 } 4002 } catch (CertificateEncodingException e) { 4003 scannedCompatSet.add(sig); 4004 } 4005 } 4006 /* 4007 * Make sure the expanded scanned set contains all signatures in the 4008 * existing one. 4009 */ 4010 if (scannedCompatSet.equals(existingSet)) { 4011 // Migrate the old signatures to the new scheme. 4012 existingSigs.assignSignatures(scannedPkg.mSignatures); 4013 // The new KeySets will be re-added later in the scanning process. 4014 synchronized (mPackages) { 4015 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4016 } 4017 return PackageManager.SIGNATURE_MATCH; 4018 } 4019 return PackageManager.SIGNATURE_NO_MATCH; 4020 } 4021 4022 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4023 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4024 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4025 } 4026 4027 private int compareSignaturesRecover(PackageSignatures existingSigs, 4028 PackageParser.Package scannedPkg) { 4029 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4030 return PackageManager.SIGNATURE_NO_MATCH; 4031 } 4032 4033 String msg = null; 4034 try { 4035 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4036 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4037 + scannedPkg.packageName); 4038 return PackageManager.SIGNATURE_MATCH; 4039 } 4040 } catch (CertificateException e) { 4041 msg = e.getMessage(); 4042 } 4043 4044 logCriticalInfo(Log.INFO, 4045 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4046 return PackageManager.SIGNATURE_NO_MATCH; 4047 } 4048 4049 @Override 4050 public String[] getPackagesForUid(int uid) { 4051 uid = UserHandle.getAppId(uid); 4052 // reader 4053 synchronized (mPackages) { 4054 Object obj = mSettings.getUserIdLPr(uid); 4055 if (obj instanceof SharedUserSetting) { 4056 final SharedUserSetting sus = (SharedUserSetting) obj; 4057 final int N = sus.packages.size(); 4058 final String[] res = new String[N]; 4059 final Iterator<PackageSetting> it = sus.packages.iterator(); 4060 int i = 0; 4061 while (it.hasNext()) { 4062 res[i++] = it.next().name; 4063 } 4064 return res; 4065 } else if (obj instanceof PackageSetting) { 4066 final PackageSetting ps = (PackageSetting) obj; 4067 return new String[] { ps.name }; 4068 } 4069 } 4070 return null; 4071 } 4072 4073 @Override 4074 public String getNameForUid(int uid) { 4075 // reader 4076 synchronized (mPackages) { 4077 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4078 if (obj instanceof SharedUserSetting) { 4079 final SharedUserSetting sus = (SharedUserSetting) obj; 4080 return sus.name + ":" + sus.userId; 4081 } else if (obj instanceof PackageSetting) { 4082 final PackageSetting ps = (PackageSetting) obj; 4083 return ps.name; 4084 } 4085 } 4086 return null; 4087 } 4088 4089 @Override 4090 public int getUidForSharedUser(String sharedUserName) { 4091 if(sharedUserName == null) { 4092 return -1; 4093 } 4094 // reader 4095 synchronized (mPackages) { 4096 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4097 if (suid == null) { 4098 return -1; 4099 } 4100 return suid.userId; 4101 } 4102 } 4103 4104 @Override 4105 public int getFlagsForUid(int uid) { 4106 synchronized (mPackages) { 4107 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4108 if (obj instanceof SharedUserSetting) { 4109 final SharedUserSetting sus = (SharedUserSetting) obj; 4110 return sus.pkgFlags; 4111 } else if (obj instanceof PackageSetting) { 4112 final PackageSetting ps = (PackageSetting) obj; 4113 return ps.pkgFlags; 4114 } 4115 } 4116 return 0; 4117 } 4118 4119 @Override 4120 public int getPrivateFlagsForUid(int uid) { 4121 synchronized (mPackages) { 4122 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4123 if (obj instanceof SharedUserSetting) { 4124 final SharedUserSetting sus = (SharedUserSetting) obj; 4125 return sus.pkgPrivateFlags; 4126 } else if (obj instanceof PackageSetting) { 4127 final PackageSetting ps = (PackageSetting) obj; 4128 return ps.pkgPrivateFlags; 4129 } 4130 } 4131 return 0; 4132 } 4133 4134 @Override 4135 public boolean isUidPrivileged(int uid) { 4136 uid = UserHandle.getAppId(uid); 4137 // reader 4138 synchronized (mPackages) { 4139 Object obj = mSettings.getUserIdLPr(uid); 4140 if (obj instanceof SharedUserSetting) { 4141 final SharedUserSetting sus = (SharedUserSetting) obj; 4142 final Iterator<PackageSetting> it = sus.packages.iterator(); 4143 while (it.hasNext()) { 4144 if (it.next().isPrivileged()) { 4145 return true; 4146 } 4147 } 4148 } else if (obj instanceof PackageSetting) { 4149 final PackageSetting ps = (PackageSetting) obj; 4150 return ps.isPrivileged(); 4151 } 4152 } 4153 return false; 4154 } 4155 4156 @Override 4157 public String[] getAppOpPermissionPackages(String permissionName) { 4158 synchronized (mPackages) { 4159 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4160 if (pkgs == null) { 4161 return null; 4162 } 4163 return pkgs.toArray(new String[pkgs.size()]); 4164 } 4165 } 4166 4167 @Override 4168 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4169 int flags, int userId) { 4170 if (!sUserManager.exists(userId)) return null; 4171 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4172 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4173 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4174 } 4175 4176 @Override 4177 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4178 IntentFilter filter, int match, ComponentName activity) { 4179 final int userId = UserHandle.getCallingUserId(); 4180 if (DEBUG_PREFERRED) { 4181 Log.v(TAG, "setLastChosenActivity intent=" + intent 4182 + " resolvedType=" + resolvedType 4183 + " flags=" + flags 4184 + " filter=" + filter 4185 + " match=" + match 4186 + " activity=" + activity); 4187 filter.dump(new PrintStreamPrinter(System.out), " "); 4188 } 4189 intent.setComponent(null); 4190 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4191 // Find any earlier preferred or last chosen entries and nuke them 4192 findPreferredActivity(intent, resolvedType, 4193 flags, query, 0, false, true, false, userId); 4194 // Add the new activity as the last chosen for this filter 4195 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4196 "Setting last chosen"); 4197 } 4198 4199 @Override 4200 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4201 final int userId = UserHandle.getCallingUserId(); 4202 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4203 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4204 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4205 false, false, false, userId); 4206 } 4207 4208 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4209 int flags, List<ResolveInfo> query, int userId) { 4210 if (query != null) { 4211 final int N = query.size(); 4212 if (N == 1) { 4213 return query.get(0); 4214 } else if (N > 1) { 4215 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4216 // If there is more than one activity with the same priority, 4217 // then let the user decide between them. 4218 ResolveInfo r0 = query.get(0); 4219 ResolveInfo r1 = query.get(1); 4220 if (DEBUG_INTENT_MATCHING || debug) { 4221 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4222 + r1.activityInfo.name + "=" + r1.priority); 4223 } 4224 // If the first activity has a higher priority, or a different 4225 // default, then it is always desireable to pick it. 4226 if (r0.priority != r1.priority 4227 || r0.preferredOrder != r1.preferredOrder 4228 || r0.isDefault != r1.isDefault) { 4229 return query.get(0); 4230 } 4231 // If we have saved a preference for a preferred activity for 4232 // this Intent, use that. 4233 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4234 flags, query, r0.priority, true, false, debug, userId); 4235 if (ri != null) { 4236 return ri; 4237 } 4238 ri = new ResolveInfo(mResolveInfo); 4239 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4240 ri.activityInfo.applicationInfo = new ApplicationInfo( 4241 ri.activityInfo.applicationInfo); 4242 if (userId != 0) { 4243 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4244 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4245 } 4246 // Make sure that the resolver is displayable in car mode 4247 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4248 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4249 return ri; 4250 } 4251 } 4252 return null; 4253 } 4254 4255 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4256 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4257 final int N = query.size(); 4258 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4259 .get(userId); 4260 // Get the list of persistent preferred activities that handle the intent 4261 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4262 List<PersistentPreferredActivity> pprefs = ppir != null 4263 ? ppir.queryIntent(intent, resolvedType, 4264 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4265 : null; 4266 if (pprefs != null && pprefs.size() > 0) { 4267 final int M = pprefs.size(); 4268 for (int i=0; i<M; i++) { 4269 final PersistentPreferredActivity ppa = pprefs.get(i); 4270 if (DEBUG_PREFERRED || debug) { 4271 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4272 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4273 + "\n component=" + ppa.mComponent); 4274 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4275 } 4276 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4277 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4278 if (DEBUG_PREFERRED || debug) { 4279 Slog.v(TAG, "Found persistent preferred activity:"); 4280 if (ai != null) { 4281 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4282 } else { 4283 Slog.v(TAG, " null"); 4284 } 4285 } 4286 if (ai == null) { 4287 // This previously registered persistent preferred activity 4288 // component is no longer known. Ignore it and do NOT remove it. 4289 continue; 4290 } 4291 for (int j=0; j<N; j++) { 4292 final ResolveInfo ri = query.get(j); 4293 if (!ri.activityInfo.applicationInfo.packageName 4294 .equals(ai.applicationInfo.packageName)) { 4295 continue; 4296 } 4297 if (!ri.activityInfo.name.equals(ai.name)) { 4298 continue; 4299 } 4300 // Found a persistent preference that can handle the intent. 4301 if (DEBUG_PREFERRED || debug) { 4302 Slog.v(TAG, "Returning persistent preferred activity: " + 4303 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4304 } 4305 return ri; 4306 } 4307 } 4308 } 4309 return null; 4310 } 4311 4312 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4313 List<ResolveInfo> query, int priority, boolean always, 4314 boolean removeMatches, boolean debug, int userId) { 4315 if (!sUserManager.exists(userId)) return null; 4316 // writer 4317 synchronized (mPackages) { 4318 if (intent.getSelector() != null) { 4319 intent = intent.getSelector(); 4320 } 4321 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4322 4323 // Try to find a matching persistent preferred activity. 4324 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4325 debug, userId); 4326 4327 // If a persistent preferred activity matched, use it. 4328 if (pri != null) { 4329 return pri; 4330 } 4331 4332 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4333 // Get the list of preferred activities that handle the intent 4334 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4335 List<PreferredActivity> prefs = pir != null 4336 ? pir.queryIntent(intent, resolvedType, 4337 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4338 : null; 4339 if (prefs != null && prefs.size() > 0) { 4340 boolean changed = false; 4341 try { 4342 // First figure out how good the original match set is. 4343 // We will only allow preferred activities that came 4344 // from the same match quality. 4345 int match = 0; 4346 4347 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4348 4349 final int N = query.size(); 4350 for (int j=0; j<N; j++) { 4351 final ResolveInfo ri = query.get(j); 4352 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4353 + ": 0x" + Integer.toHexString(match)); 4354 if (ri.match > match) { 4355 match = ri.match; 4356 } 4357 } 4358 4359 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4360 + Integer.toHexString(match)); 4361 4362 match &= IntentFilter.MATCH_CATEGORY_MASK; 4363 final int M = prefs.size(); 4364 for (int i=0; i<M; i++) { 4365 final PreferredActivity pa = prefs.get(i); 4366 if (DEBUG_PREFERRED || debug) { 4367 Slog.v(TAG, "Checking PreferredActivity ds=" 4368 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4369 + "\n component=" + pa.mPref.mComponent); 4370 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4371 } 4372 if (pa.mPref.mMatch != match) { 4373 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4374 + Integer.toHexString(pa.mPref.mMatch)); 4375 continue; 4376 } 4377 // If it's not an "always" type preferred activity and that's what we're 4378 // looking for, skip it. 4379 if (always && !pa.mPref.mAlways) { 4380 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4381 continue; 4382 } 4383 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4384 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4385 if (DEBUG_PREFERRED || debug) { 4386 Slog.v(TAG, "Found preferred activity:"); 4387 if (ai != null) { 4388 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4389 } else { 4390 Slog.v(TAG, " null"); 4391 } 4392 } 4393 if (ai == null) { 4394 // This previously registered preferred activity 4395 // component is no longer known. Most likely an update 4396 // to the app was installed and in the new version this 4397 // component no longer exists. Clean it up by removing 4398 // it from the preferred activities list, and skip it. 4399 Slog.w(TAG, "Removing dangling preferred activity: " 4400 + pa.mPref.mComponent); 4401 pir.removeFilter(pa); 4402 changed = true; 4403 continue; 4404 } 4405 for (int j=0; j<N; j++) { 4406 final ResolveInfo ri = query.get(j); 4407 if (!ri.activityInfo.applicationInfo.packageName 4408 .equals(ai.applicationInfo.packageName)) { 4409 continue; 4410 } 4411 if (!ri.activityInfo.name.equals(ai.name)) { 4412 continue; 4413 } 4414 4415 if (removeMatches) { 4416 pir.removeFilter(pa); 4417 changed = true; 4418 if (DEBUG_PREFERRED) { 4419 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4420 } 4421 break; 4422 } 4423 4424 // Okay we found a previously set preferred or last chosen app. 4425 // If the result set is different from when this 4426 // was created, we need to clear it and re-ask the 4427 // user their preference, if we're looking for an "always" type entry. 4428 if (always && !pa.mPref.sameSet(query)) { 4429 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4430 + intent + " type " + resolvedType); 4431 if (DEBUG_PREFERRED) { 4432 Slog.v(TAG, "Removing preferred activity since set changed " 4433 + pa.mPref.mComponent); 4434 } 4435 pir.removeFilter(pa); 4436 // Re-add the filter as a "last chosen" entry (!always) 4437 PreferredActivity lastChosen = new PreferredActivity( 4438 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4439 pir.addFilter(lastChosen); 4440 changed = true; 4441 return null; 4442 } 4443 4444 // Yay! Either the set matched or we're looking for the last chosen 4445 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4446 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4447 return ri; 4448 } 4449 } 4450 } finally { 4451 if (changed) { 4452 if (DEBUG_PREFERRED) { 4453 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4454 } 4455 scheduleWritePackageRestrictionsLocked(userId); 4456 } 4457 } 4458 } 4459 } 4460 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4461 return null; 4462 } 4463 4464 /* 4465 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4466 */ 4467 @Override 4468 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4469 int targetUserId) { 4470 mContext.enforceCallingOrSelfPermission( 4471 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4472 List<CrossProfileIntentFilter> matches = 4473 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4474 if (matches != null) { 4475 int size = matches.size(); 4476 for (int i = 0; i < size; i++) { 4477 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4478 } 4479 } 4480 if (hasWebURI(intent)) { 4481 // cross-profile app linking works only towards the parent. 4482 final UserInfo parent = getProfileParent(sourceUserId); 4483 synchronized(mPackages) { 4484 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4485 intent, resolvedType, 0, sourceUserId, parent.id); 4486 return xpDomainInfo != null; 4487 } 4488 } 4489 return false; 4490 } 4491 4492 private UserInfo getProfileParent(int userId) { 4493 final long identity = Binder.clearCallingIdentity(); 4494 try { 4495 return sUserManager.getProfileParent(userId); 4496 } finally { 4497 Binder.restoreCallingIdentity(identity); 4498 } 4499 } 4500 4501 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4502 String resolvedType, int userId) { 4503 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4504 if (resolver != null) { 4505 return resolver.queryIntent(intent, resolvedType, false, userId); 4506 } 4507 return null; 4508 } 4509 4510 @Override 4511 public List<ResolveInfo> queryIntentActivities(Intent intent, 4512 String resolvedType, int flags, int userId) { 4513 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4514 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4515 ComponentName comp = intent.getComponent(); 4516 if (comp == null) { 4517 if (intent.getSelector() != null) { 4518 intent = intent.getSelector(); 4519 comp = intent.getComponent(); 4520 } 4521 } 4522 4523 if (comp != null) { 4524 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4525 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4526 if (ai != null) { 4527 final ResolveInfo ri = new ResolveInfo(); 4528 ri.activityInfo = ai; 4529 list.add(ri); 4530 } 4531 return list; 4532 } 4533 4534 // reader 4535 synchronized (mPackages) { 4536 final String pkgName = intent.getPackage(); 4537 if (pkgName == null) { 4538 List<CrossProfileIntentFilter> matchingFilters = 4539 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4540 // Check for results that need to skip the current profile. 4541 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4542 resolvedType, flags, userId); 4543 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4544 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4545 result.add(xpResolveInfo); 4546 return filterIfNotPrimaryUser(result, userId); 4547 } 4548 4549 // Check for results in the current profile. 4550 List<ResolveInfo> result = mActivities.queryIntent( 4551 intent, resolvedType, flags, userId); 4552 4553 // Check for cross profile results. 4554 xpResolveInfo = queryCrossProfileIntents( 4555 matchingFilters, intent, resolvedType, flags, userId); 4556 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4557 result.add(xpResolveInfo); 4558 Collections.sort(result, mResolvePrioritySorter); 4559 } 4560 result = filterIfNotPrimaryUser(result, userId); 4561 if (hasWebURI(intent)) { 4562 CrossProfileDomainInfo xpDomainInfo = null; 4563 final UserInfo parent = getProfileParent(userId); 4564 if (parent != null) { 4565 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4566 flags, userId, parent.id); 4567 } 4568 if (xpDomainInfo != null) { 4569 if (xpResolveInfo != null) { 4570 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4571 // in the result. 4572 result.remove(xpResolveInfo); 4573 } 4574 if (result.size() == 0) { 4575 result.add(xpDomainInfo.resolveInfo); 4576 return result; 4577 } 4578 } else if (result.size() <= 1) { 4579 return result; 4580 } 4581 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4582 xpDomainInfo, userId); 4583 Collections.sort(result, mResolvePrioritySorter); 4584 } 4585 return result; 4586 } 4587 final PackageParser.Package pkg = mPackages.get(pkgName); 4588 if (pkg != null) { 4589 return filterIfNotPrimaryUser( 4590 mActivities.queryIntentForPackage( 4591 intent, resolvedType, flags, pkg.activities, userId), 4592 userId); 4593 } 4594 return new ArrayList<ResolveInfo>(); 4595 } 4596 } 4597 4598 private static class CrossProfileDomainInfo { 4599 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4600 ResolveInfo resolveInfo; 4601 /* Best domain verification status of the activities found in the other profile */ 4602 int bestDomainVerificationStatus; 4603 } 4604 4605 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4606 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4607 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4608 sourceUserId)) { 4609 return null; 4610 } 4611 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4612 resolvedType, flags, parentUserId); 4613 4614 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4615 return null; 4616 } 4617 CrossProfileDomainInfo result = null; 4618 int size = resultTargetUser.size(); 4619 for (int i = 0; i < size; i++) { 4620 ResolveInfo riTargetUser = resultTargetUser.get(i); 4621 // Intent filter verification is only for filters that specify a host. So don't return 4622 // those that handle all web uris. 4623 if (riTargetUser.handleAllWebDataURI) { 4624 continue; 4625 } 4626 String packageName = riTargetUser.activityInfo.packageName; 4627 PackageSetting ps = mSettings.mPackages.get(packageName); 4628 if (ps == null) { 4629 continue; 4630 } 4631 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4632 int status = (int)(verificationState >> 32); 4633 if (result == null) { 4634 result = new CrossProfileDomainInfo(); 4635 result.resolveInfo = 4636 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4637 result.bestDomainVerificationStatus = status; 4638 } else { 4639 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4640 result.bestDomainVerificationStatus); 4641 } 4642 } 4643 // Don't consider matches with status NEVER across profiles. 4644 if (result != null && result.bestDomainVerificationStatus 4645 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4646 return null; 4647 } 4648 return result; 4649 } 4650 4651 /** 4652 * Verification statuses are ordered from the worse to the best, except for 4653 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4654 */ 4655 private int bestDomainVerificationStatus(int status1, int status2) { 4656 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4657 return status2; 4658 } 4659 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4660 return status1; 4661 } 4662 return (int) MathUtils.max(status1, status2); 4663 } 4664 4665 private boolean isUserEnabled(int userId) { 4666 long callingId = Binder.clearCallingIdentity(); 4667 try { 4668 UserInfo userInfo = sUserManager.getUserInfo(userId); 4669 return userInfo != null && userInfo.isEnabled(); 4670 } finally { 4671 Binder.restoreCallingIdentity(callingId); 4672 } 4673 } 4674 4675 /** 4676 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4677 * 4678 * @return filtered list 4679 */ 4680 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4681 if (userId == UserHandle.USER_OWNER) { 4682 return resolveInfos; 4683 } 4684 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4685 ResolveInfo info = resolveInfos.get(i); 4686 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4687 resolveInfos.remove(i); 4688 } 4689 } 4690 return resolveInfos; 4691 } 4692 4693 private static boolean hasWebURI(Intent intent) { 4694 if (intent.getData() == null) { 4695 return false; 4696 } 4697 final String scheme = intent.getScheme(); 4698 if (TextUtils.isEmpty(scheme)) { 4699 return false; 4700 } 4701 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4702 } 4703 4704 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4705 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4706 int userId) { 4707 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4708 4709 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4710 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4711 candidates.size()); 4712 } 4713 4714 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4715 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4716 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4717 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4718 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4719 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4720 4721 synchronized (mPackages) { 4722 final int count = candidates.size(); 4723 // First, try to use linked apps. Partition the candidates into four lists: 4724 // one for the final results, one for the "do not use ever", one for "undefined status" 4725 // and finally one for "browser app type". 4726 for (int n=0; n<count; n++) { 4727 ResolveInfo info = candidates.get(n); 4728 String packageName = info.activityInfo.packageName; 4729 PackageSetting ps = mSettings.mPackages.get(packageName); 4730 if (ps != null) { 4731 // Add to the special match all list (Browser use case) 4732 if (info.handleAllWebDataURI) { 4733 matchAllList.add(info); 4734 continue; 4735 } 4736 // Try to get the status from User settings first 4737 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4738 int status = (int)(packedStatus >> 32); 4739 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4740 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4741 if (DEBUG_DOMAIN_VERIFICATION) { 4742 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4743 + " : linkgen=" + linkGeneration); 4744 } 4745 // Use link-enabled generation as preferredOrder, i.e. 4746 // prefer newly-enabled over earlier-enabled. 4747 info.preferredOrder = linkGeneration; 4748 alwaysList.add(info); 4749 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4750 if (DEBUG_DOMAIN_VERIFICATION) { 4751 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4752 } 4753 neverList.add(info); 4754 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4755 if (DEBUG_DOMAIN_VERIFICATION) { 4756 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4757 } 4758 alwaysAskList.add(info); 4759 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4760 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4761 if (DEBUG_DOMAIN_VERIFICATION) { 4762 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4763 } 4764 undefinedList.add(info); 4765 } 4766 } 4767 } 4768 4769 // We'll want to include browser possibilities in a few cases 4770 boolean includeBrowser = false; 4771 4772 // First try to add the "always" resolution(s) for the current user, if any 4773 if (alwaysList.size() > 0) { 4774 result.addAll(alwaysList); 4775 // if there is an "always" for the parent user, add it. 4776 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4777 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4778 result.add(xpDomainInfo.resolveInfo); 4779 } else { 4780 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4781 result.addAll(undefinedList); 4782 if (xpDomainInfo != null && ( 4783 xpDomainInfo.bestDomainVerificationStatus 4784 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4785 || xpDomainInfo.bestDomainVerificationStatus 4786 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4787 result.add(xpDomainInfo.resolveInfo); 4788 } 4789 includeBrowser = true; 4790 } 4791 4792 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4793 // If there were 'always' entries their preferred order has been set, so we also 4794 // back that off to make the alternatives equivalent 4795 if (alwaysAskList.size() > 0) { 4796 for (ResolveInfo i : result) { 4797 i.preferredOrder = 0; 4798 } 4799 result.addAll(alwaysAskList); 4800 includeBrowser = true; 4801 } 4802 4803 if (includeBrowser) { 4804 // Also add browsers (all of them or only the default one) 4805 if (DEBUG_DOMAIN_VERIFICATION) { 4806 Slog.v(TAG, " ...including browsers in candidate set"); 4807 } 4808 if ((matchFlags & MATCH_ALL) != 0) { 4809 result.addAll(matchAllList); 4810 } else { 4811 // Browser/generic handling case. If there's a default browser, go straight 4812 // to that (but only if there is no other higher-priority match). 4813 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4814 int maxMatchPrio = 0; 4815 ResolveInfo defaultBrowserMatch = null; 4816 final int numCandidates = matchAllList.size(); 4817 for (int n = 0; n < numCandidates; n++) { 4818 ResolveInfo info = matchAllList.get(n); 4819 // track the highest overall match priority... 4820 if (info.priority > maxMatchPrio) { 4821 maxMatchPrio = info.priority; 4822 } 4823 // ...and the highest-priority default browser match 4824 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4825 if (defaultBrowserMatch == null 4826 || (defaultBrowserMatch.priority < info.priority)) { 4827 if (debug) { 4828 Slog.v(TAG, "Considering default browser match " + info); 4829 } 4830 defaultBrowserMatch = info; 4831 } 4832 } 4833 } 4834 if (defaultBrowserMatch != null 4835 && defaultBrowserMatch.priority >= maxMatchPrio 4836 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4837 { 4838 if (debug) { 4839 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4840 } 4841 result.add(defaultBrowserMatch); 4842 } else { 4843 result.addAll(matchAllList); 4844 } 4845 } 4846 4847 // If there is nothing selected, add all candidates and remove the ones that the user 4848 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4849 if (result.size() == 0) { 4850 result.addAll(candidates); 4851 result.removeAll(neverList); 4852 } 4853 } 4854 } 4855 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4856 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4857 result.size()); 4858 for (ResolveInfo info : result) { 4859 Slog.v(TAG, " + " + info.activityInfo); 4860 } 4861 } 4862 return result; 4863 } 4864 4865 // Returns a packed value as a long: 4866 // 4867 // high 'int'-sized word: link status: undefined/ask/never/always. 4868 // low 'int'-sized word: relative priority among 'always' results. 4869 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4870 long result = ps.getDomainVerificationStatusForUser(userId); 4871 // if none available, get the master status 4872 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4873 if (ps.getIntentFilterVerificationInfo() != null) { 4874 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4875 } 4876 } 4877 return result; 4878 } 4879 4880 private ResolveInfo querySkipCurrentProfileIntents( 4881 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4882 int flags, int sourceUserId) { 4883 if (matchingFilters != null) { 4884 int size = matchingFilters.size(); 4885 for (int i = 0; i < size; i ++) { 4886 CrossProfileIntentFilter filter = matchingFilters.get(i); 4887 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4888 // Checking if there are activities in the target user that can handle the 4889 // intent. 4890 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4891 flags, sourceUserId); 4892 if (resolveInfo != null) { 4893 return resolveInfo; 4894 } 4895 } 4896 } 4897 } 4898 return null; 4899 } 4900 4901 // Return matching ResolveInfo if any for skip current profile intent filters. 4902 private ResolveInfo queryCrossProfileIntents( 4903 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4904 int flags, int sourceUserId) { 4905 if (matchingFilters != null) { 4906 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4907 // match the same intent. For performance reasons, it is better not to 4908 // run queryIntent twice for the same userId 4909 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4910 int size = matchingFilters.size(); 4911 for (int i = 0; i < size; i++) { 4912 CrossProfileIntentFilter filter = matchingFilters.get(i); 4913 int targetUserId = filter.getTargetUserId(); 4914 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4915 && !alreadyTriedUserIds.get(targetUserId)) { 4916 // Checking if there are activities in the target user that can handle the 4917 // intent. 4918 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4919 flags, sourceUserId); 4920 if (resolveInfo != null) return resolveInfo; 4921 alreadyTriedUserIds.put(targetUserId, true); 4922 } 4923 } 4924 } 4925 return null; 4926 } 4927 4928 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4929 String resolvedType, int flags, int sourceUserId) { 4930 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4931 resolvedType, flags, filter.getTargetUserId()); 4932 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4933 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4934 } 4935 return null; 4936 } 4937 4938 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4939 int sourceUserId, int targetUserId) { 4940 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4941 String className; 4942 if (targetUserId == UserHandle.USER_OWNER) { 4943 className = FORWARD_INTENT_TO_USER_OWNER; 4944 } else { 4945 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4946 } 4947 ComponentName forwardingActivityComponentName = new ComponentName( 4948 mAndroidApplication.packageName, className); 4949 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4950 sourceUserId); 4951 if (targetUserId == UserHandle.USER_OWNER) { 4952 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4953 forwardingResolveInfo.noResourceId = true; 4954 } 4955 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4956 forwardingResolveInfo.priority = 0; 4957 forwardingResolveInfo.preferredOrder = 0; 4958 forwardingResolveInfo.match = 0; 4959 forwardingResolveInfo.isDefault = true; 4960 forwardingResolveInfo.filter = filter; 4961 forwardingResolveInfo.targetUserId = targetUserId; 4962 return forwardingResolveInfo; 4963 } 4964 4965 @Override 4966 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4967 Intent[] specifics, String[] specificTypes, Intent intent, 4968 String resolvedType, int flags, int userId) { 4969 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4970 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4971 false, "query intent activity options"); 4972 final String resultsAction = intent.getAction(); 4973 4974 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4975 | PackageManager.GET_RESOLVED_FILTER, userId); 4976 4977 if (DEBUG_INTENT_MATCHING) { 4978 Log.v(TAG, "Query " + intent + ": " + results); 4979 } 4980 4981 int specificsPos = 0; 4982 int N; 4983 4984 // todo: note that the algorithm used here is O(N^2). This 4985 // isn't a problem in our current environment, but if we start running 4986 // into situations where we have more than 5 or 10 matches then this 4987 // should probably be changed to something smarter... 4988 4989 // First we go through and resolve each of the specific items 4990 // that were supplied, taking care of removing any corresponding 4991 // duplicate items in the generic resolve list. 4992 if (specifics != null) { 4993 for (int i=0; i<specifics.length; i++) { 4994 final Intent sintent = specifics[i]; 4995 if (sintent == null) { 4996 continue; 4997 } 4998 4999 if (DEBUG_INTENT_MATCHING) { 5000 Log.v(TAG, "Specific #" + i + ": " + sintent); 5001 } 5002 5003 String action = sintent.getAction(); 5004 if (resultsAction != null && resultsAction.equals(action)) { 5005 // If this action was explicitly requested, then don't 5006 // remove things that have it. 5007 action = null; 5008 } 5009 5010 ResolveInfo ri = null; 5011 ActivityInfo ai = null; 5012 5013 ComponentName comp = sintent.getComponent(); 5014 if (comp == null) { 5015 ri = resolveIntent( 5016 sintent, 5017 specificTypes != null ? specificTypes[i] : null, 5018 flags, userId); 5019 if (ri == null) { 5020 continue; 5021 } 5022 if (ri == mResolveInfo) { 5023 // ACK! Must do something better with this. 5024 } 5025 ai = ri.activityInfo; 5026 comp = new ComponentName(ai.applicationInfo.packageName, 5027 ai.name); 5028 } else { 5029 ai = getActivityInfo(comp, flags, userId); 5030 if (ai == null) { 5031 continue; 5032 } 5033 } 5034 5035 // Look for any generic query activities that are duplicates 5036 // of this specific one, and remove them from the results. 5037 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5038 N = results.size(); 5039 int j; 5040 for (j=specificsPos; j<N; j++) { 5041 ResolveInfo sri = results.get(j); 5042 if ((sri.activityInfo.name.equals(comp.getClassName()) 5043 && sri.activityInfo.applicationInfo.packageName.equals( 5044 comp.getPackageName())) 5045 || (action != null && sri.filter.matchAction(action))) { 5046 results.remove(j); 5047 if (DEBUG_INTENT_MATCHING) Log.v( 5048 TAG, "Removing duplicate item from " + j 5049 + " due to specific " + specificsPos); 5050 if (ri == null) { 5051 ri = sri; 5052 } 5053 j--; 5054 N--; 5055 } 5056 } 5057 5058 // Add this specific item to its proper place. 5059 if (ri == null) { 5060 ri = new ResolveInfo(); 5061 ri.activityInfo = ai; 5062 } 5063 results.add(specificsPos, ri); 5064 ri.specificIndex = i; 5065 specificsPos++; 5066 } 5067 } 5068 5069 // Now we go through the remaining generic results and remove any 5070 // duplicate actions that are found here. 5071 N = results.size(); 5072 for (int i=specificsPos; i<N-1; i++) { 5073 final ResolveInfo rii = results.get(i); 5074 if (rii.filter == null) { 5075 continue; 5076 } 5077 5078 // Iterate over all of the actions of this result's intent 5079 // filter... typically this should be just one. 5080 final Iterator<String> it = rii.filter.actionsIterator(); 5081 if (it == null) { 5082 continue; 5083 } 5084 while (it.hasNext()) { 5085 final String action = it.next(); 5086 if (resultsAction != null && resultsAction.equals(action)) { 5087 // If this action was explicitly requested, then don't 5088 // remove things that have it. 5089 continue; 5090 } 5091 for (int j=i+1; j<N; j++) { 5092 final ResolveInfo rij = results.get(j); 5093 if (rij.filter != null && rij.filter.hasAction(action)) { 5094 results.remove(j); 5095 if (DEBUG_INTENT_MATCHING) Log.v( 5096 TAG, "Removing duplicate item from " + j 5097 + " due to action " + action + " at " + i); 5098 j--; 5099 N--; 5100 } 5101 } 5102 } 5103 5104 // If the caller didn't request filter information, drop it now 5105 // so we don't have to marshall/unmarshall it. 5106 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5107 rii.filter = null; 5108 } 5109 } 5110 5111 // Filter out the caller activity if so requested. 5112 if (caller != null) { 5113 N = results.size(); 5114 for (int i=0; i<N; i++) { 5115 ActivityInfo ainfo = results.get(i).activityInfo; 5116 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5117 && caller.getClassName().equals(ainfo.name)) { 5118 results.remove(i); 5119 break; 5120 } 5121 } 5122 } 5123 5124 // If the caller didn't request filter information, 5125 // drop them now so we don't have to 5126 // marshall/unmarshall it. 5127 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5128 N = results.size(); 5129 for (int i=0; i<N; i++) { 5130 results.get(i).filter = null; 5131 } 5132 } 5133 5134 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5135 return results; 5136 } 5137 5138 @Override 5139 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5140 int userId) { 5141 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5142 ComponentName comp = intent.getComponent(); 5143 if (comp == null) { 5144 if (intent.getSelector() != null) { 5145 intent = intent.getSelector(); 5146 comp = intent.getComponent(); 5147 } 5148 } 5149 if (comp != null) { 5150 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5151 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5152 if (ai != null) { 5153 ResolveInfo ri = new ResolveInfo(); 5154 ri.activityInfo = ai; 5155 list.add(ri); 5156 } 5157 return list; 5158 } 5159 5160 // reader 5161 synchronized (mPackages) { 5162 String pkgName = intent.getPackage(); 5163 if (pkgName == null) { 5164 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5165 } 5166 final PackageParser.Package pkg = mPackages.get(pkgName); 5167 if (pkg != null) { 5168 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5169 userId); 5170 } 5171 return null; 5172 } 5173 } 5174 5175 @Override 5176 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5177 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5178 if (!sUserManager.exists(userId)) return null; 5179 if (query != null) { 5180 if (query.size() >= 1) { 5181 // If there is more than one service with the same priority, 5182 // just arbitrarily pick the first one. 5183 return query.get(0); 5184 } 5185 } 5186 return null; 5187 } 5188 5189 @Override 5190 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5191 int userId) { 5192 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5193 ComponentName comp = intent.getComponent(); 5194 if (comp == null) { 5195 if (intent.getSelector() != null) { 5196 intent = intent.getSelector(); 5197 comp = intent.getComponent(); 5198 } 5199 } 5200 if (comp != null) { 5201 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5202 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5203 if (si != null) { 5204 final ResolveInfo ri = new ResolveInfo(); 5205 ri.serviceInfo = si; 5206 list.add(ri); 5207 } 5208 return list; 5209 } 5210 5211 // reader 5212 synchronized (mPackages) { 5213 String pkgName = intent.getPackage(); 5214 if (pkgName == null) { 5215 return mServices.queryIntent(intent, resolvedType, flags, userId); 5216 } 5217 final PackageParser.Package pkg = mPackages.get(pkgName); 5218 if (pkg != null) { 5219 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5220 userId); 5221 } 5222 return null; 5223 } 5224 } 5225 5226 @Override 5227 public List<ResolveInfo> queryIntentContentProviders( 5228 Intent intent, String resolvedType, int flags, int userId) { 5229 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5230 ComponentName comp = intent.getComponent(); 5231 if (comp == null) { 5232 if (intent.getSelector() != null) { 5233 intent = intent.getSelector(); 5234 comp = intent.getComponent(); 5235 } 5236 } 5237 if (comp != null) { 5238 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5239 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5240 if (pi != null) { 5241 final ResolveInfo ri = new ResolveInfo(); 5242 ri.providerInfo = pi; 5243 list.add(ri); 5244 } 5245 return list; 5246 } 5247 5248 // reader 5249 synchronized (mPackages) { 5250 String pkgName = intent.getPackage(); 5251 if (pkgName == null) { 5252 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5253 } 5254 final PackageParser.Package pkg = mPackages.get(pkgName); 5255 if (pkg != null) { 5256 return mProviders.queryIntentForPackage( 5257 intent, resolvedType, flags, pkg.providers, userId); 5258 } 5259 return null; 5260 } 5261 } 5262 5263 @Override 5264 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5265 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5266 5267 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5268 5269 // writer 5270 synchronized (mPackages) { 5271 ArrayList<PackageInfo> list; 5272 if (listUninstalled) { 5273 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5274 for (PackageSetting ps : mSettings.mPackages.values()) { 5275 PackageInfo pi; 5276 if (ps.pkg != null) { 5277 pi = generatePackageInfo(ps.pkg, flags, userId); 5278 } else { 5279 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5280 } 5281 if (pi != null) { 5282 list.add(pi); 5283 } 5284 } 5285 } else { 5286 list = new ArrayList<PackageInfo>(mPackages.size()); 5287 for (PackageParser.Package p : mPackages.values()) { 5288 PackageInfo pi = generatePackageInfo(p, flags, userId); 5289 if (pi != null) { 5290 list.add(pi); 5291 } 5292 } 5293 } 5294 5295 return new ParceledListSlice<PackageInfo>(list); 5296 } 5297 } 5298 5299 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5300 String[] permissions, boolean[] tmp, int flags, int userId) { 5301 int numMatch = 0; 5302 final PermissionsState permissionsState = ps.getPermissionsState(); 5303 for (int i=0; i<permissions.length; i++) { 5304 final String permission = permissions[i]; 5305 if (permissionsState.hasPermission(permission, userId)) { 5306 tmp[i] = true; 5307 numMatch++; 5308 } else { 5309 tmp[i] = false; 5310 } 5311 } 5312 if (numMatch == 0) { 5313 return; 5314 } 5315 PackageInfo pi; 5316 if (ps.pkg != null) { 5317 pi = generatePackageInfo(ps.pkg, flags, userId); 5318 } else { 5319 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5320 } 5321 // The above might return null in cases of uninstalled apps or install-state 5322 // skew across users/profiles. 5323 if (pi != null) { 5324 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5325 if (numMatch == permissions.length) { 5326 pi.requestedPermissions = permissions; 5327 } else { 5328 pi.requestedPermissions = new String[numMatch]; 5329 numMatch = 0; 5330 for (int i=0; i<permissions.length; i++) { 5331 if (tmp[i]) { 5332 pi.requestedPermissions[numMatch] = permissions[i]; 5333 numMatch++; 5334 } 5335 } 5336 } 5337 } 5338 list.add(pi); 5339 } 5340 } 5341 5342 @Override 5343 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5344 String[] permissions, int flags, int userId) { 5345 if (!sUserManager.exists(userId)) return null; 5346 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5347 5348 // writer 5349 synchronized (mPackages) { 5350 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5351 boolean[] tmpBools = new boolean[permissions.length]; 5352 if (listUninstalled) { 5353 for (PackageSetting ps : mSettings.mPackages.values()) { 5354 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5355 } 5356 } else { 5357 for (PackageParser.Package pkg : mPackages.values()) { 5358 PackageSetting ps = (PackageSetting)pkg.mExtras; 5359 if (ps != null) { 5360 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5361 userId); 5362 } 5363 } 5364 } 5365 5366 return new ParceledListSlice<PackageInfo>(list); 5367 } 5368 } 5369 5370 @Override 5371 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5372 if (!sUserManager.exists(userId)) return null; 5373 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5374 5375 // writer 5376 synchronized (mPackages) { 5377 ArrayList<ApplicationInfo> list; 5378 if (listUninstalled) { 5379 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5380 for (PackageSetting ps : mSettings.mPackages.values()) { 5381 ApplicationInfo ai; 5382 if (ps.pkg != null) { 5383 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5384 ps.readUserState(userId), userId); 5385 } else { 5386 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5387 } 5388 if (ai != null) { 5389 list.add(ai); 5390 } 5391 } 5392 } else { 5393 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5394 for (PackageParser.Package p : mPackages.values()) { 5395 if (p.mExtras != null) { 5396 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5397 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5398 if (ai != null) { 5399 list.add(ai); 5400 } 5401 } 5402 } 5403 } 5404 5405 return new ParceledListSlice<ApplicationInfo>(list); 5406 } 5407 } 5408 5409 public List<ApplicationInfo> getPersistentApplications(int flags) { 5410 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5411 5412 // reader 5413 synchronized (mPackages) { 5414 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5415 final int userId = UserHandle.getCallingUserId(); 5416 while (i.hasNext()) { 5417 final PackageParser.Package p = i.next(); 5418 if (p.applicationInfo != null 5419 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5420 && (!mSafeMode || isSystemApp(p))) { 5421 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5422 if (ps != null) { 5423 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5424 ps.readUserState(userId), userId); 5425 if (ai != null) { 5426 finalList.add(ai); 5427 } 5428 } 5429 } 5430 } 5431 } 5432 5433 return finalList; 5434 } 5435 5436 @Override 5437 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5438 if (!sUserManager.exists(userId)) return null; 5439 // reader 5440 synchronized (mPackages) { 5441 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5442 PackageSetting ps = provider != null 5443 ? mSettings.mPackages.get(provider.owner.packageName) 5444 : null; 5445 return ps != null 5446 && mSettings.isEnabledLPr(provider.info, flags, userId) 5447 && (!mSafeMode || (provider.info.applicationInfo.flags 5448 &ApplicationInfo.FLAG_SYSTEM) != 0) 5449 ? PackageParser.generateProviderInfo(provider, flags, 5450 ps.readUserState(userId), userId) 5451 : null; 5452 } 5453 } 5454 5455 /** 5456 * @deprecated 5457 */ 5458 @Deprecated 5459 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5460 // reader 5461 synchronized (mPackages) { 5462 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5463 .entrySet().iterator(); 5464 final int userId = UserHandle.getCallingUserId(); 5465 while (i.hasNext()) { 5466 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5467 PackageParser.Provider p = entry.getValue(); 5468 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5469 5470 if (ps != null && p.syncable 5471 && (!mSafeMode || (p.info.applicationInfo.flags 5472 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5473 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5474 ps.readUserState(userId), userId); 5475 if (info != null) { 5476 outNames.add(entry.getKey()); 5477 outInfo.add(info); 5478 } 5479 } 5480 } 5481 } 5482 } 5483 5484 @Override 5485 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5486 int uid, int flags) { 5487 ArrayList<ProviderInfo> finalList = null; 5488 // reader 5489 synchronized (mPackages) { 5490 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5491 final int userId = processName != null ? 5492 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5493 while (i.hasNext()) { 5494 final PackageParser.Provider p = i.next(); 5495 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5496 if (ps != null && p.info.authority != null 5497 && (processName == null 5498 || (p.info.processName.equals(processName) 5499 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5500 && mSettings.isEnabledLPr(p.info, flags, userId) 5501 && (!mSafeMode 5502 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5503 if (finalList == null) { 5504 finalList = new ArrayList<ProviderInfo>(3); 5505 } 5506 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5507 ps.readUserState(userId), userId); 5508 if (info != null) { 5509 finalList.add(info); 5510 } 5511 } 5512 } 5513 } 5514 5515 if (finalList != null) { 5516 Collections.sort(finalList, mProviderInitOrderSorter); 5517 return new ParceledListSlice<ProviderInfo>(finalList); 5518 } 5519 5520 return null; 5521 } 5522 5523 @Override 5524 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5525 int flags) { 5526 // reader 5527 synchronized (mPackages) { 5528 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5529 return PackageParser.generateInstrumentationInfo(i, flags); 5530 } 5531 } 5532 5533 @Override 5534 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5535 int flags) { 5536 ArrayList<InstrumentationInfo> finalList = 5537 new ArrayList<InstrumentationInfo>(); 5538 5539 // reader 5540 synchronized (mPackages) { 5541 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5542 while (i.hasNext()) { 5543 final PackageParser.Instrumentation p = i.next(); 5544 if (targetPackage == null 5545 || targetPackage.equals(p.info.targetPackage)) { 5546 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5547 flags); 5548 if (ii != null) { 5549 finalList.add(ii); 5550 } 5551 } 5552 } 5553 } 5554 5555 return finalList; 5556 } 5557 5558 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5559 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5560 if (overlays == null) { 5561 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5562 return; 5563 } 5564 for (PackageParser.Package opkg : overlays.values()) { 5565 // Not much to do if idmap fails: we already logged the error 5566 // and we certainly don't want to abort installation of pkg simply 5567 // because an overlay didn't fit properly. For these reasons, 5568 // ignore the return value of createIdmapForPackagePairLI. 5569 createIdmapForPackagePairLI(pkg, opkg); 5570 } 5571 } 5572 5573 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5574 PackageParser.Package opkg) { 5575 if (!opkg.mTrustedOverlay) { 5576 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5577 opkg.baseCodePath + ": overlay not trusted"); 5578 return false; 5579 } 5580 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5581 if (overlaySet == null) { 5582 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5583 opkg.baseCodePath + " but target package has no known overlays"); 5584 return false; 5585 } 5586 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5587 // TODO: generate idmap for split APKs 5588 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5589 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5590 + opkg.baseCodePath); 5591 return false; 5592 } 5593 PackageParser.Package[] overlayArray = 5594 overlaySet.values().toArray(new PackageParser.Package[0]); 5595 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5596 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5597 return p1.mOverlayPriority - p2.mOverlayPriority; 5598 } 5599 }; 5600 Arrays.sort(overlayArray, cmp); 5601 5602 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5603 int i = 0; 5604 for (PackageParser.Package p : overlayArray) { 5605 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5606 } 5607 return true; 5608 } 5609 5610 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5611 final File[] files = dir.listFiles(); 5612 if (ArrayUtils.isEmpty(files)) { 5613 Log.d(TAG, "No files in app dir " + dir); 5614 return; 5615 } 5616 5617 if (DEBUG_PACKAGE_SCANNING) { 5618 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5619 + " flags=0x" + Integer.toHexString(parseFlags)); 5620 } 5621 5622 for (File file : files) { 5623 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5624 && !PackageInstallerService.isStageName(file.getName()); 5625 if (!isPackage) { 5626 // Ignore entries which are not packages 5627 continue; 5628 } 5629 try { 5630 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5631 scanFlags, currentTime, null); 5632 } catch (PackageManagerException e) { 5633 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5634 5635 // Delete invalid userdata apps 5636 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5637 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5638 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5639 if (file.isDirectory()) { 5640 mInstaller.rmPackageDir(file.getAbsolutePath()); 5641 } else { 5642 file.delete(); 5643 } 5644 } 5645 } 5646 } 5647 } 5648 5649 private static File getSettingsProblemFile() { 5650 File dataDir = Environment.getDataDirectory(); 5651 File systemDir = new File(dataDir, "system"); 5652 File fname = new File(systemDir, "uiderrors.txt"); 5653 return fname; 5654 } 5655 5656 static void reportSettingsProblem(int priority, String msg) { 5657 logCriticalInfo(priority, msg); 5658 } 5659 5660 static void logCriticalInfo(int priority, String msg) { 5661 Slog.println(priority, TAG, msg); 5662 EventLogTags.writePmCriticalInfo(msg); 5663 try { 5664 File fname = getSettingsProblemFile(); 5665 FileOutputStream out = new FileOutputStream(fname, true); 5666 PrintWriter pw = new FastPrintWriter(out); 5667 SimpleDateFormat formatter = new SimpleDateFormat(); 5668 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5669 pw.println(dateString + ": " + msg); 5670 pw.close(); 5671 FileUtils.setPermissions( 5672 fname.toString(), 5673 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5674 -1, -1); 5675 } catch (java.io.IOException e) { 5676 } 5677 } 5678 5679 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5680 PackageParser.Package pkg, File srcFile, int parseFlags) 5681 throws PackageManagerException { 5682 if (ps != null 5683 && ps.codePath.equals(srcFile) 5684 && ps.timeStamp == srcFile.lastModified() 5685 && !isCompatSignatureUpdateNeeded(pkg) 5686 && !isRecoverSignatureUpdateNeeded(pkg)) { 5687 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5688 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5689 ArraySet<PublicKey> signingKs; 5690 synchronized (mPackages) { 5691 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5692 } 5693 if (ps.signatures.mSignatures != null 5694 && ps.signatures.mSignatures.length != 0 5695 && signingKs != null) { 5696 // Optimization: reuse the existing cached certificates 5697 // if the package appears to be unchanged. 5698 pkg.mSignatures = ps.signatures.mSignatures; 5699 pkg.mSigningKeys = signingKs; 5700 return; 5701 } 5702 5703 Slog.w(TAG, "PackageSetting for " + ps.name 5704 + " is missing signatures. Collecting certs again to recover them."); 5705 } else { 5706 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5707 } 5708 5709 try { 5710 pp.collectCertificates(pkg, parseFlags); 5711 pp.collectManifestDigest(pkg); 5712 } catch (PackageParserException e) { 5713 throw PackageManagerException.from(e); 5714 } 5715 } 5716 5717 /* 5718 * Scan a package and return the newly parsed package. 5719 * Returns null in case of errors and the error code is stored in mLastScanError 5720 */ 5721 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5722 long currentTime, UserHandle user) throws PackageManagerException { 5723 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5724 parseFlags |= mDefParseFlags; 5725 PackageParser pp = new PackageParser(); 5726 pp.setSeparateProcesses(mSeparateProcesses); 5727 pp.setOnlyCoreApps(mOnlyCore); 5728 pp.setDisplayMetrics(mMetrics); 5729 5730 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5731 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5732 } 5733 5734 final PackageParser.Package pkg; 5735 try { 5736 pkg = pp.parsePackage(scanFile, parseFlags); 5737 } catch (PackageParserException e) { 5738 throw PackageManagerException.from(e); 5739 } 5740 5741 PackageSetting ps = null; 5742 PackageSetting updatedPkg; 5743 // reader 5744 synchronized (mPackages) { 5745 // Look to see if we already know about this package. 5746 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5747 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5748 // This package has been renamed to its original name. Let's 5749 // use that. 5750 ps = mSettings.peekPackageLPr(oldName); 5751 } 5752 // If there was no original package, see one for the real package name. 5753 if (ps == null) { 5754 ps = mSettings.peekPackageLPr(pkg.packageName); 5755 } 5756 // Check to see if this package could be hiding/updating a system 5757 // package. Must look for it either under the original or real 5758 // package name depending on our state. 5759 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5760 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5761 } 5762 boolean updatedPkgBetter = false; 5763 // First check if this is a system package that may involve an update 5764 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5765 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5766 // it needs to drop FLAG_PRIVILEGED. 5767 if (locationIsPrivileged(scanFile)) { 5768 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5769 } else { 5770 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5771 } 5772 5773 if (ps != null && !ps.codePath.equals(scanFile)) { 5774 // The path has changed from what was last scanned... check the 5775 // version of the new path against what we have stored to determine 5776 // what to do. 5777 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5778 if (pkg.mVersionCode <= ps.versionCode) { 5779 // The system package has been updated and the code path does not match 5780 // Ignore entry. Skip it. 5781 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5782 + " ignored: updated version " + ps.versionCode 5783 + " better than this " + pkg.mVersionCode); 5784 if (!updatedPkg.codePath.equals(scanFile)) { 5785 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5786 + ps.name + " changing from " + updatedPkg.codePathString 5787 + " to " + scanFile); 5788 updatedPkg.codePath = scanFile; 5789 updatedPkg.codePathString = scanFile.toString(); 5790 updatedPkg.resourcePath = scanFile; 5791 updatedPkg.resourcePathString = scanFile.toString(); 5792 } 5793 updatedPkg.pkg = pkg; 5794 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5795 "Package " + ps.name + " at " + scanFile 5796 + " ignored: updated version " + ps.versionCode 5797 + " better than this " + pkg.mVersionCode); 5798 } else { 5799 // The current app on the system partition is better than 5800 // what we have updated to on the data partition; switch 5801 // back to the system partition version. 5802 // At this point, its safely assumed that package installation for 5803 // apps in system partition will go through. If not there won't be a working 5804 // version of the app 5805 // writer 5806 synchronized (mPackages) { 5807 // Just remove the loaded entries from package lists. 5808 mPackages.remove(ps.name); 5809 } 5810 5811 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5812 + " reverting from " + ps.codePathString 5813 + ": new version " + pkg.mVersionCode 5814 + " better than installed " + ps.versionCode); 5815 5816 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5817 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5818 synchronized (mInstallLock) { 5819 args.cleanUpResourcesLI(); 5820 } 5821 synchronized (mPackages) { 5822 mSettings.enableSystemPackageLPw(ps.name); 5823 } 5824 updatedPkgBetter = true; 5825 } 5826 } 5827 } 5828 5829 if (updatedPkg != null) { 5830 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5831 // initially 5832 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5833 5834 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5835 // flag set initially 5836 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5837 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5838 } 5839 } 5840 5841 // Verify certificates against what was last scanned 5842 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5843 5844 /* 5845 * A new system app appeared, but we already had a non-system one of the 5846 * same name installed earlier. 5847 */ 5848 boolean shouldHideSystemApp = false; 5849 if (updatedPkg == null && ps != null 5850 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5851 /* 5852 * Check to make sure the signatures match first. If they don't, 5853 * wipe the installed application and its data. 5854 */ 5855 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5856 != PackageManager.SIGNATURE_MATCH) { 5857 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5858 + " signatures don't match existing userdata copy; removing"); 5859 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5860 ps = null; 5861 } else { 5862 /* 5863 * If the newly-added system app is an older version than the 5864 * already installed version, hide it. It will be scanned later 5865 * and re-added like an update. 5866 */ 5867 if (pkg.mVersionCode <= ps.versionCode) { 5868 shouldHideSystemApp = true; 5869 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5870 + " but new version " + pkg.mVersionCode + " better than installed " 5871 + ps.versionCode + "; hiding system"); 5872 } else { 5873 /* 5874 * The newly found system app is a newer version that the 5875 * one previously installed. Simply remove the 5876 * already-installed application and replace it with our own 5877 * while keeping the application data. 5878 */ 5879 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5880 + " reverting from " + ps.codePathString + ": new version " 5881 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5882 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5883 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5884 synchronized (mInstallLock) { 5885 args.cleanUpResourcesLI(); 5886 } 5887 } 5888 } 5889 } 5890 5891 // The apk is forward locked (not public) if its code and resources 5892 // are kept in different files. (except for app in either system or 5893 // vendor path). 5894 // TODO grab this value from PackageSettings 5895 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5896 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5897 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5898 } 5899 } 5900 5901 // TODO: extend to support forward-locked splits 5902 String resourcePath = null; 5903 String baseResourcePath = null; 5904 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5905 if (ps != null && ps.resourcePathString != null) { 5906 resourcePath = ps.resourcePathString; 5907 baseResourcePath = ps.resourcePathString; 5908 } else { 5909 // Should not happen at all. Just log an error. 5910 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5911 } 5912 } else { 5913 resourcePath = pkg.codePath; 5914 baseResourcePath = pkg.baseCodePath; 5915 } 5916 5917 // Set application objects path explicitly. 5918 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5919 pkg.applicationInfo.setCodePath(pkg.codePath); 5920 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5921 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5922 pkg.applicationInfo.setResourcePath(resourcePath); 5923 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5924 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5925 5926 // Note that we invoke the following method only if we are about to unpack an application 5927 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5928 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5929 5930 /* 5931 * If the system app should be overridden by a previously installed 5932 * data, hide the system app now and let the /data/app scan pick it up 5933 * again. 5934 */ 5935 if (shouldHideSystemApp) { 5936 synchronized (mPackages) { 5937 mSettings.disableSystemPackageLPw(pkg.packageName); 5938 } 5939 } 5940 5941 return scannedPkg; 5942 } 5943 5944 private static String fixProcessName(String defProcessName, 5945 String processName, int uid) { 5946 if (processName == null) { 5947 return defProcessName; 5948 } 5949 return processName; 5950 } 5951 5952 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5953 throws PackageManagerException { 5954 if (pkgSetting.signatures.mSignatures != null) { 5955 // Already existing package. Make sure signatures match 5956 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5957 == PackageManager.SIGNATURE_MATCH; 5958 if (!match) { 5959 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5960 == PackageManager.SIGNATURE_MATCH; 5961 } 5962 if (!match) { 5963 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5964 == PackageManager.SIGNATURE_MATCH; 5965 } 5966 if (!match) { 5967 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5968 + pkg.packageName + " signatures do not match the " 5969 + "previously installed version; ignoring!"); 5970 } 5971 } 5972 5973 // Check for shared user signatures 5974 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5975 // Already existing package. Make sure signatures match 5976 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5977 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5978 if (!match) { 5979 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5980 == PackageManager.SIGNATURE_MATCH; 5981 } 5982 if (!match) { 5983 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5984 == PackageManager.SIGNATURE_MATCH; 5985 } 5986 if (!match) { 5987 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5988 "Package " + pkg.packageName 5989 + " has no signatures that match those in shared user " 5990 + pkgSetting.sharedUser.name + "; ignoring!"); 5991 } 5992 } 5993 } 5994 5995 /** 5996 * Enforces that only the system UID or root's UID can call a method exposed 5997 * via Binder. 5998 * 5999 * @param message used as message if SecurityException is thrown 6000 * @throws SecurityException if the caller is not system or root 6001 */ 6002 private static final void enforceSystemOrRoot(String message) { 6003 final int uid = Binder.getCallingUid(); 6004 if (uid != Process.SYSTEM_UID && uid != 0) { 6005 throw new SecurityException(message); 6006 } 6007 } 6008 6009 @Override 6010 public void performBootDexOpt() { 6011 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6012 6013 // Before everything else, see whether we need to fstrim. 6014 try { 6015 IMountService ms = PackageHelper.getMountService(); 6016 if (ms != null) { 6017 final boolean isUpgrade = isUpgrade(); 6018 boolean doTrim = isUpgrade; 6019 if (doTrim) { 6020 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6021 } else { 6022 final long interval = android.provider.Settings.Global.getLong( 6023 mContext.getContentResolver(), 6024 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6025 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6026 if (interval > 0) { 6027 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6028 if (timeSinceLast > interval) { 6029 doTrim = true; 6030 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6031 + "; running immediately"); 6032 } 6033 } 6034 } 6035 if (doTrim) { 6036 if (!isFirstBoot()) { 6037 try { 6038 ActivityManagerNative.getDefault().showBootMessage( 6039 mContext.getResources().getString( 6040 R.string.android_upgrading_fstrim), true); 6041 } catch (RemoteException e) { 6042 } 6043 } 6044 ms.runMaintenance(); 6045 } 6046 } else { 6047 Slog.e(TAG, "Mount service unavailable!"); 6048 } 6049 } catch (RemoteException e) { 6050 // Can't happen; MountService is local 6051 } 6052 6053 final ArraySet<PackageParser.Package> pkgs; 6054 synchronized (mPackages) { 6055 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6056 } 6057 6058 if (pkgs != null) { 6059 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6060 // in case the device runs out of space. 6061 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6062 // Give priority to core apps. 6063 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6064 PackageParser.Package pkg = it.next(); 6065 if (pkg.coreApp) { 6066 if (DEBUG_DEXOPT) { 6067 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6068 } 6069 sortedPkgs.add(pkg); 6070 it.remove(); 6071 } 6072 } 6073 // Give priority to system apps that listen for pre boot complete. 6074 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6075 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 6076 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6077 PackageParser.Package pkg = it.next(); 6078 if (pkgNames.contains(pkg.packageName)) { 6079 if (DEBUG_DEXOPT) { 6080 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6081 } 6082 sortedPkgs.add(pkg); 6083 it.remove(); 6084 } 6085 } 6086 // Filter out packages that aren't recently used. 6087 filterRecentlyUsedApps(pkgs); 6088 // Add all remaining apps. 6089 for (PackageParser.Package pkg : pkgs) { 6090 if (DEBUG_DEXOPT) { 6091 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6092 } 6093 sortedPkgs.add(pkg); 6094 } 6095 6096 // If we want to be lazy, filter everything that wasn't recently used. 6097 if (mLazyDexOpt) { 6098 filterRecentlyUsedApps(sortedPkgs); 6099 } 6100 6101 int i = 0; 6102 int total = sortedPkgs.size(); 6103 File dataDir = Environment.getDataDirectory(); 6104 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6105 if (lowThreshold == 0) { 6106 throw new IllegalStateException("Invalid low memory threshold"); 6107 } 6108 for (PackageParser.Package pkg : sortedPkgs) { 6109 long usableSpace = dataDir.getUsableSpace(); 6110 if (usableSpace < lowThreshold) { 6111 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6112 break; 6113 } 6114 performBootDexOpt(pkg, ++i, total); 6115 } 6116 } 6117 } 6118 6119 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6120 // Filter out packages that aren't recently used. 6121 // 6122 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6123 // should do a full dexopt. 6124 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6125 int total = pkgs.size(); 6126 int skipped = 0; 6127 long now = System.currentTimeMillis(); 6128 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6129 PackageParser.Package pkg = i.next(); 6130 long then = pkg.mLastPackageUsageTimeInMills; 6131 if (then + mDexOptLRUThresholdInMills < now) { 6132 if (DEBUG_DEXOPT) { 6133 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6134 ((then == 0) ? "never" : new Date(then))); 6135 } 6136 i.remove(); 6137 skipped++; 6138 } 6139 } 6140 if (DEBUG_DEXOPT) { 6141 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6142 } 6143 } 6144 } 6145 6146 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6147 List<ResolveInfo> ris = null; 6148 try { 6149 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6150 intent, null, 0, UserHandle.USER_OWNER); 6151 } catch (RemoteException e) { 6152 } 6153 ArraySet<String> pkgNames = new ArraySet<String>(); 6154 if (ris != null) { 6155 for (ResolveInfo ri : ris) { 6156 pkgNames.add(ri.activityInfo.packageName); 6157 } 6158 } 6159 return pkgNames; 6160 } 6161 6162 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6163 if (DEBUG_DEXOPT) { 6164 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6165 } 6166 if (!isFirstBoot()) { 6167 try { 6168 ActivityManagerNative.getDefault().showBootMessage( 6169 mContext.getResources().getString(R.string.android_upgrading_apk, 6170 curr, total), true); 6171 } catch (RemoteException e) { 6172 } 6173 } 6174 PackageParser.Package p = pkg; 6175 synchronized (mInstallLock) { 6176 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6177 false /* force dex */, false /* defer */, true /* include dependencies */, 6178 false /* boot complete */); 6179 } 6180 } 6181 6182 @Override 6183 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6184 return performDexOpt(packageName, instructionSet, false); 6185 } 6186 6187 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6188 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6189 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6190 if (!dexopt && !updateUsage) { 6191 // We aren't going to dexopt or update usage, so bail early. 6192 return false; 6193 } 6194 PackageParser.Package p; 6195 final String targetInstructionSet; 6196 synchronized (mPackages) { 6197 p = mPackages.get(packageName); 6198 if (p == null) { 6199 return false; 6200 } 6201 if (updateUsage) { 6202 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6203 } 6204 mPackageUsage.write(false); 6205 if (!dexopt) { 6206 // We aren't going to dexopt, so bail early. 6207 return false; 6208 } 6209 6210 targetInstructionSet = instructionSet != null ? instructionSet : 6211 getPrimaryInstructionSet(p.applicationInfo); 6212 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6213 return false; 6214 } 6215 } 6216 long callingId = Binder.clearCallingIdentity(); 6217 try { 6218 synchronized (mInstallLock) { 6219 final String[] instructionSets = new String[] { targetInstructionSet }; 6220 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6221 false /* forceDex */, false /* defer */, true /* inclDependencies */, 6222 true /* boot complete */); 6223 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6224 } 6225 } finally { 6226 Binder.restoreCallingIdentity(callingId); 6227 } 6228 } 6229 6230 public ArraySet<String> getPackagesThatNeedDexOpt() { 6231 ArraySet<String> pkgs = null; 6232 synchronized (mPackages) { 6233 for (PackageParser.Package p : mPackages.values()) { 6234 if (DEBUG_DEXOPT) { 6235 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6236 } 6237 if (!p.mDexOptPerformed.isEmpty()) { 6238 continue; 6239 } 6240 if (pkgs == null) { 6241 pkgs = new ArraySet<String>(); 6242 } 6243 pkgs.add(p.packageName); 6244 } 6245 } 6246 return pkgs; 6247 } 6248 6249 public void shutdown() { 6250 mPackageUsage.write(true); 6251 } 6252 6253 @Override 6254 public void forceDexOpt(String packageName) { 6255 enforceSystemOrRoot("forceDexOpt"); 6256 6257 PackageParser.Package pkg; 6258 synchronized (mPackages) { 6259 pkg = mPackages.get(packageName); 6260 if (pkg == null) { 6261 throw new IllegalArgumentException("Missing package: " + packageName); 6262 } 6263 } 6264 6265 synchronized (mInstallLock) { 6266 final String[] instructionSets = new String[] { 6267 getPrimaryInstructionSet(pkg.applicationInfo) }; 6268 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6269 true /*forceDex*/, false /* defer */, true /* inclDependencies */, 6270 true /* boot complete */); 6271 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6272 throw new IllegalStateException("Failed to dexopt: " + res); 6273 } 6274 } 6275 } 6276 6277 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6278 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6279 Slog.w(TAG, "Unable to update from " + oldPkg.name 6280 + " to " + newPkg.packageName 6281 + ": old package not in system partition"); 6282 return false; 6283 } else if (mPackages.get(oldPkg.name) != null) { 6284 Slog.w(TAG, "Unable to update from " + oldPkg.name 6285 + " to " + newPkg.packageName 6286 + ": old package still exists"); 6287 return false; 6288 } 6289 return true; 6290 } 6291 6292 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6293 int[] users = sUserManager.getUserIds(); 6294 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6295 if (res < 0) { 6296 return res; 6297 } 6298 for (int user : users) { 6299 if (user != 0) { 6300 res = mInstaller.createUserData(volumeUuid, packageName, 6301 UserHandle.getUid(user, uid), user, seinfo); 6302 if (res < 0) { 6303 return res; 6304 } 6305 } 6306 } 6307 return res; 6308 } 6309 6310 private int removeDataDirsLI(String volumeUuid, String packageName) { 6311 int[] users = sUserManager.getUserIds(); 6312 int res = 0; 6313 for (int user : users) { 6314 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6315 if (resInner < 0) { 6316 res = resInner; 6317 } 6318 } 6319 6320 return res; 6321 } 6322 6323 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6324 int[] users = sUserManager.getUserIds(); 6325 int res = 0; 6326 for (int user : users) { 6327 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6328 if (resInner < 0) { 6329 res = resInner; 6330 } 6331 } 6332 return res; 6333 } 6334 6335 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6336 PackageParser.Package changingLib) { 6337 if (file.path != null) { 6338 usesLibraryFiles.add(file.path); 6339 return; 6340 } 6341 PackageParser.Package p = mPackages.get(file.apk); 6342 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6343 // If we are doing this while in the middle of updating a library apk, 6344 // then we need to make sure to use that new apk for determining the 6345 // dependencies here. (We haven't yet finished committing the new apk 6346 // to the package manager state.) 6347 if (p == null || p.packageName.equals(changingLib.packageName)) { 6348 p = changingLib; 6349 } 6350 } 6351 if (p != null) { 6352 usesLibraryFiles.addAll(p.getAllCodePaths()); 6353 } 6354 } 6355 6356 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6357 PackageParser.Package changingLib) throws PackageManagerException { 6358 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6359 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6360 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6361 for (int i=0; i<N; i++) { 6362 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6363 if (file == null) { 6364 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6365 "Package " + pkg.packageName + " requires unavailable shared library " 6366 + pkg.usesLibraries.get(i) + "; failing!"); 6367 } 6368 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6369 } 6370 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6371 for (int i=0; i<N; i++) { 6372 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6373 if (file == null) { 6374 Slog.w(TAG, "Package " + pkg.packageName 6375 + " desires unavailable shared library " 6376 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6377 } else { 6378 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6379 } 6380 } 6381 N = usesLibraryFiles.size(); 6382 if (N > 0) { 6383 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6384 } else { 6385 pkg.usesLibraryFiles = null; 6386 } 6387 } 6388 } 6389 6390 private static boolean hasString(List<String> list, List<String> which) { 6391 if (list == null) { 6392 return false; 6393 } 6394 for (int i=list.size()-1; i>=0; i--) { 6395 for (int j=which.size()-1; j>=0; j--) { 6396 if (which.get(j).equals(list.get(i))) { 6397 return true; 6398 } 6399 } 6400 } 6401 return false; 6402 } 6403 6404 private void updateAllSharedLibrariesLPw() { 6405 for (PackageParser.Package pkg : mPackages.values()) { 6406 try { 6407 updateSharedLibrariesLPw(pkg, null); 6408 } catch (PackageManagerException e) { 6409 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6410 } 6411 } 6412 } 6413 6414 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6415 PackageParser.Package changingPkg) { 6416 ArrayList<PackageParser.Package> res = null; 6417 for (PackageParser.Package pkg : mPackages.values()) { 6418 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6419 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6420 if (res == null) { 6421 res = new ArrayList<PackageParser.Package>(); 6422 } 6423 res.add(pkg); 6424 try { 6425 updateSharedLibrariesLPw(pkg, changingPkg); 6426 } catch (PackageManagerException e) { 6427 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6428 } 6429 } 6430 } 6431 return res; 6432 } 6433 6434 /** 6435 * Derive the value of the {@code cpuAbiOverride} based on the provided 6436 * value and an optional stored value from the package settings. 6437 */ 6438 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6439 String cpuAbiOverride = null; 6440 6441 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6442 cpuAbiOverride = null; 6443 } else if (abiOverride != null) { 6444 cpuAbiOverride = abiOverride; 6445 } else if (settings != null) { 6446 cpuAbiOverride = settings.cpuAbiOverrideString; 6447 } 6448 6449 return cpuAbiOverride; 6450 } 6451 6452 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6453 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6454 boolean success = false; 6455 try { 6456 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6457 currentTime, user); 6458 success = true; 6459 return res; 6460 } finally { 6461 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6462 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6463 } 6464 } 6465 } 6466 6467 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6468 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6469 final File scanFile = new File(pkg.codePath); 6470 if (pkg.applicationInfo.getCodePath() == null || 6471 pkg.applicationInfo.getResourcePath() == null) { 6472 // Bail out. The resource and code paths haven't been set. 6473 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6474 "Code and resource paths haven't been set correctly"); 6475 } 6476 6477 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6478 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6479 } else { 6480 // Only allow system apps to be flagged as core apps. 6481 pkg.coreApp = false; 6482 } 6483 6484 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6485 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6486 } 6487 6488 if (mCustomResolverComponentName != null && 6489 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6490 setUpCustomResolverActivity(pkg); 6491 } 6492 6493 if (pkg.packageName.equals("android")) { 6494 synchronized (mPackages) { 6495 if (mAndroidApplication != null) { 6496 Slog.w(TAG, "*************************************************"); 6497 Slog.w(TAG, "Core android package being redefined. Skipping."); 6498 Slog.w(TAG, " file=" + scanFile); 6499 Slog.w(TAG, "*************************************************"); 6500 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6501 "Core android package being redefined. Skipping."); 6502 } 6503 6504 // Set up information for our fall-back user intent resolution activity. 6505 mPlatformPackage = pkg; 6506 pkg.mVersionCode = mSdkVersion; 6507 mAndroidApplication = pkg.applicationInfo; 6508 6509 if (!mResolverReplaced) { 6510 mResolveActivity.applicationInfo = mAndroidApplication; 6511 mResolveActivity.name = ResolverActivity.class.getName(); 6512 mResolveActivity.packageName = mAndroidApplication.packageName; 6513 mResolveActivity.processName = "system:ui"; 6514 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6515 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6516 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6517 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6518 mResolveActivity.exported = true; 6519 mResolveActivity.enabled = true; 6520 mResolveInfo.activityInfo = mResolveActivity; 6521 mResolveInfo.priority = 0; 6522 mResolveInfo.preferredOrder = 0; 6523 mResolveInfo.match = 0; 6524 mResolveComponentName = new ComponentName( 6525 mAndroidApplication.packageName, mResolveActivity.name); 6526 } 6527 } 6528 } 6529 6530 if (DEBUG_PACKAGE_SCANNING) { 6531 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6532 Log.d(TAG, "Scanning package " + pkg.packageName); 6533 } 6534 6535 if (mPackages.containsKey(pkg.packageName) 6536 || mSharedLibraries.containsKey(pkg.packageName)) { 6537 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6538 "Application package " + pkg.packageName 6539 + " already installed. Skipping duplicate."); 6540 } 6541 6542 // If we're only installing presumed-existing packages, require that the 6543 // scanned APK is both already known and at the path previously established 6544 // for it. Previously unknown packages we pick up normally, but if we have an 6545 // a priori expectation about this package's install presence, enforce it. 6546 // With a singular exception for new system packages. When an OTA contains 6547 // a new system package, we allow the codepath to change from a system location 6548 // to the user-installed location. If we don't allow this change, any newer, 6549 // user-installed version of the application will be ignored. 6550 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6551 if (mExpectingBetter.containsKey(pkg.packageName)) { 6552 logCriticalInfo(Log.WARN, 6553 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6554 } else { 6555 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6556 if (known != null) { 6557 if (DEBUG_PACKAGE_SCANNING) { 6558 Log.d(TAG, "Examining " + pkg.codePath 6559 + " and requiring known paths " + known.codePathString 6560 + " & " + known.resourcePathString); 6561 } 6562 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6563 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6564 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6565 "Application package " + pkg.packageName 6566 + " found at " + pkg.applicationInfo.getCodePath() 6567 + " but expected at " + known.codePathString + "; ignoring."); 6568 } 6569 } 6570 } 6571 } 6572 6573 // Initialize package source and resource directories 6574 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6575 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6576 6577 SharedUserSetting suid = null; 6578 PackageSetting pkgSetting = null; 6579 6580 if (!isSystemApp(pkg)) { 6581 // Only system apps can use these features. 6582 pkg.mOriginalPackages = null; 6583 pkg.mRealPackage = null; 6584 pkg.mAdoptPermissions = null; 6585 } 6586 6587 // writer 6588 synchronized (mPackages) { 6589 if (pkg.mSharedUserId != null) { 6590 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6591 if (suid == null) { 6592 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6593 "Creating application package " + pkg.packageName 6594 + " for shared user failed"); 6595 } 6596 if (DEBUG_PACKAGE_SCANNING) { 6597 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6598 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6599 + "): packages=" + suid.packages); 6600 } 6601 } 6602 6603 // Check if we are renaming from an original package name. 6604 PackageSetting origPackage = null; 6605 String realName = null; 6606 if (pkg.mOriginalPackages != null) { 6607 // This package may need to be renamed to a previously 6608 // installed name. Let's check on that... 6609 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6610 if (pkg.mOriginalPackages.contains(renamed)) { 6611 // This package had originally been installed as the 6612 // original name, and we have already taken care of 6613 // transitioning to the new one. Just update the new 6614 // one to continue using the old name. 6615 realName = pkg.mRealPackage; 6616 if (!pkg.packageName.equals(renamed)) { 6617 // Callers into this function may have already taken 6618 // care of renaming the package; only do it here if 6619 // it is not already done. 6620 pkg.setPackageName(renamed); 6621 } 6622 6623 } else { 6624 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6625 if ((origPackage = mSettings.peekPackageLPr( 6626 pkg.mOriginalPackages.get(i))) != null) { 6627 // We do have the package already installed under its 6628 // original name... should we use it? 6629 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6630 // New package is not compatible with original. 6631 origPackage = null; 6632 continue; 6633 } else if (origPackage.sharedUser != null) { 6634 // Make sure uid is compatible between packages. 6635 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6636 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6637 + " to " + pkg.packageName + ": old uid " 6638 + origPackage.sharedUser.name 6639 + " differs from " + pkg.mSharedUserId); 6640 origPackage = null; 6641 continue; 6642 } 6643 } else { 6644 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6645 + pkg.packageName + " to old name " + origPackage.name); 6646 } 6647 break; 6648 } 6649 } 6650 } 6651 } 6652 6653 if (mTransferedPackages.contains(pkg.packageName)) { 6654 Slog.w(TAG, "Package " + pkg.packageName 6655 + " was transferred to another, but its .apk remains"); 6656 } 6657 6658 // Just create the setting, don't add it yet. For already existing packages 6659 // the PkgSetting exists already and doesn't have to be created. 6660 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6661 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6662 pkg.applicationInfo.primaryCpuAbi, 6663 pkg.applicationInfo.secondaryCpuAbi, 6664 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6665 user, false); 6666 if (pkgSetting == null) { 6667 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6668 "Creating application package " + pkg.packageName + " failed"); 6669 } 6670 6671 if (pkgSetting.origPackage != null) { 6672 // If we are first transitioning from an original package, 6673 // fix up the new package's name now. We need to do this after 6674 // looking up the package under its new name, so getPackageLP 6675 // can take care of fiddling things correctly. 6676 pkg.setPackageName(origPackage.name); 6677 6678 // File a report about this. 6679 String msg = "New package " + pkgSetting.realName 6680 + " renamed to replace old package " + pkgSetting.name; 6681 reportSettingsProblem(Log.WARN, msg); 6682 6683 // Make a note of it. 6684 mTransferedPackages.add(origPackage.name); 6685 6686 // No longer need to retain this. 6687 pkgSetting.origPackage = null; 6688 } 6689 6690 if (realName != null) { 6691 // Make a note of it. 6692 mTransferedPackages.add(pkg.packageName); 6693 } 6694 6695 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6696 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6697 } 6698 6699 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6700 // Check all shared libraries and map to their actual file path. 6701 // We only do this here for apps not on a system dir, because those 6702 // are the only ones that can fail an install due to this. We 6703 // will take care of the system apps by updating all of their 6704 // library paths after the scan is done. 6705 updateSharedLibrariesLPw(pkg, null); 6706 } 6707 6708 if (mFoundPolicyFile) { 6709 SELinuxMMAC.assignSeinfoValue(pkg); 6710 } 6711 6712 pkg.applicationInfo.uid = pkgSetting.appId; 6713 pkg.mExtras = pkgSetting; 6714 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6715 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6716 // We just determined the app is signed correctly, so bring 6717 // over the latest parsed certs. 6718 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6719 } else { 6720 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6721 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6722 "Package " + pkg.packageName + " upgrade keys do not match the " 6723 + "previously installed version"); 6724 } else { 6725 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6726 String msg = "System package " + pkg.packageName 6727 + " signature changed; retaining data."; 6728 reportSettingsProblem(Log.WARN, msg); 6729 } 6730 } 6731 } else { 6732 try { 6733 verifySignaturesLP(pkgSetting, pkg); 6734 // We just determined the app is signed correctly, so bring 6735 // over the latest parsed certs. 6736 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6737 } catch (PackageManagerException e) { 6738 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6739 throw e; 6740 } 6741 // The signature has changed, but this package is in the system 6742 // image... let's recover! 6743 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6744 // However... if this package is part of a shared user, but it 6745 // doesn't match the signature of the shared user, let's fail. 6746 // What this means is that you can't change the signatures 6747 // associated with an overall shared user, which doesn't seem all 6748 // that unreasonable. 6749 if (pkgSetting.sharedUser != null) { 6750 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6751 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6752 throw new PackageManagerException( 6753 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6754 "Signature mismatch for shared user : " 6755 + pkgSetting.sharedUser); 6756 } 6757 } 6758 // File a report about this. 6759 String msg = "System package " + pkg.packageName 6760 + " signature changed; retaining data."; 6761 reportSettingsProblem(Log.WARN, msg); 6762 } 6763 } 6764 // Verify that this new package doesn't have any content providers 6765 // that conflict with existing packages. Only do this if the 6766 // package isn't already installed, since we don't want to break 6767 // things that are installed. 6768 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6769 final int N = pkg.providers.size(); 6770 int i; 6771 for (i=0; i<N; i++) { 6772 PackageParser.Provider p = pkg.providers.get(i); 6773 if (p.info.authority != null) { 6774 String names[] = p.info.authority.split(";"); 6775 for (int j = 0; j < names.length; j++) { 6776 if (mProvidersByAuthority.containsKey(names[j])) { 6777 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6778 final String otherPackageName = 6779 ((other != null && other.getComponentName() != null) ? 6780 other.getComponentName().getPackageName() : "?"); 6781 throw new PackageManagerException( 6782 INSTALL_FAILED_CONFLICTING_PROVIDER, 6783 "Can't install because provider name " + names[j] 6784 + " (in package " + pkg.applicationInfo.packageName 6785 + ") is already used by " + otherPackageName); 6786 } 6787 } 6788 } 6789 } 6790 } 6791 6792 if (pkg.mAdoptPermissions != null) { 6793 // This package wants to adopt ownership of permissions from 6794 // another package. 6795 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6796 final String origName = pkg.mAdoptPermissions.get(i); 6797 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6798 if (orig != null) { 6799 if (verifyPackageUpdateLPr(orig, pkg)) { 6800 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6801 + pkg.packageName); 6802 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6803 } 6804 } 6805 } 6806 } 6807 } 6808 6809 final String pkgName = pkg.packageName; 6810 6811 final long scanFileTime = scanFile.lastModified(); 6812 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6813 pkg.applicationInfo.processName = fixProcessName( 6814 pkg.applicationInfo.packageName, 6815 pkg.applicationInfo.processName, 6816 pkg.applicationInfo.uid); 6817 6818 File dataPath; 6819 if (mPlatformPackage == pkg) { 6820 // The system package is special. 6821 dataPath = new File(Environment.getDataDirectory(), "system"); 6822 6823 pkg.applicationInfo.dataDir = dataPath.getPath(); 6824 6825 } else { 6826 // This is a normal package, need to make its data directory. 6827 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6828 UserHandle.USER_OWNER, pkg.packageName); 6829 6830 boolean uidError = false; 6831 if (dataPath.exists()) { 6832 int currentUid = 0; 6833 try { 6834 StructStat stat = Os.stat(dataPath.getPath()); 6835 currentUid = stat.st_uid; 6836 } catch (ErrnoException e) { 6837 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6838 } 6839 6840 // If we have mismatched owners for the data path, we have a problem. 6841 if (currentUid != pkg.applicationInfo.uid) { 6842 boolean recovered = false; 6843 if (currentUid == 0) { 6844 // The directory somehow became owned by root. Wow. 6845 // This is probably because the system was stopped while 6846 // installd was in the middle of messing with its libs 6847 // directory. Ask installd to fix that. 6848 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6849 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6850 if (ret >= 0) { 6851 recovered = true; 6852 String msg = "Package " + pkg.packageName 6853 + " unexpectedly changed to uid 0; recovered to " + 6854 + pkg.applicationInfo.uid; 6855 reportSettingsProblem(Log.WARN, msg); 6856 } 6857 } 6858 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6859 || (scanFlags&SCAN_BOOTING) != 0)) { 6860 // If this is a system app, we can at least delete its 6861 // current data so the application will still work. 6862 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6863 if (ret >= 0) { 6864 // TODO: Kill the processes first 6865 // Old data gone! 6866 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6867 ? "System package " : "Third party package "; 6868 String msg = prefix + pkg.packageName 6869 + " has changed from uid: " 6870 + currentUid + " to " 6871 + pkg.applicationInfo.uid + "; old data erased"; 6872 reportSettingsProblem(Log.WARN, msg); 6873 recovered = true; 6874 6875 // And now re-install the app. 6876 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6877 pkg.applicationInfo.seinfo); 6878 if (ret == -1) { 6879 // Ack should not happen! 6880 msg = prefix + pkg.packageName 6881 + " could not have data directory re-created after delete."; 6882 reportSettingsProblem(Log.WARN, msg); 6883 throw new PackageManagerException( 6884 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6885 } 6886 } 6887 if (!recovered) { 6888 mHasSystemUidErrors = true; 6889 } 6890 } else if (!recovered) { 6891 // If we allow this install to proceed, we will be broken. 6892 // Abort, abort! 6893 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6894 "scanPackageLI"); 6895 } 6896 if (!recovered) { 6897 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6898 + pkg.applicationInfo.uid + "/fs_" 6899 + currentUid; 6900 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6901 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6902 String msg = "Package " + pkg.packageName 6903 + " has mismatched uid: " 6904 + currentUid + " on disk, " 6905 + pkg.applicationInfo.uid + " in settings"; 6906 // writer 6907 synchronized (mPackages) { 6908 mSettings.mReadMessages.append(msg); 6909 mSettings.mReadMessages.append('\n'); 6910 uidError = true; 6911 if (!pkgSetting.uidError) { 6912 reportSettingsProblem(Log.ERROR, msg); 6913 } 6914 } 6915 } 6916 } 6917 pkg.applicationInfo.dataDir = dataPath.getPath(); 6918 if (mShouldRestoreconData) { 6919 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6920 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6921 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6922 } 6923 } else { 6924 if (DEBUG_PACKAGE_SCANNING) { 6925 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6926 Log.v(TAG, "Want this data dir: " + dataPath); 6927 } 6928 //invoke installer to do the actual installation 6929 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6930 pkg.applicationInfo.seinfo); 6931 if (ret < 0) { 6932 // Error from installer 6933 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6934 "Unable to create data dirs [errorCode=" + ret + "]"); 6935 } 6936 6937 if (dataPath.exists()) { 6938 pkg.applicationInfo.dataDir = dataPath.getPath(); 6939 } else { 6940 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6941 pkg.applicationInfo.dataDir = null; 6942 } 6943 } 6944 6945 pkgSetting.uidError = uidError; 6946 } 6947 6948 final String path = scanFile.getPath(); 6949 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6950 6951 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6952 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6953 6954 // Some system apps still use directory structure for native libraries 6955 // in which case we might end up not detecting abi solely based on apk 6956 // structure. Try to detect abi based on directory structure. 6957 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6958 pkg.applicationInfo.primaryCpuAbi == null) { 6959 setBundledAppAbisAndRoots(pkg, pkgSetting); 6960 setNativeLibraryPaths(pkg); 6961 } 6962 6963 } else { 6964 if ((scanFlags & SCAN_MOVE) != 0) { 6965 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6966 // but we already have this packages package info in the PackageSetting. We just 6967 // use that and derive the native library path based on the new codepath. 6968 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6969 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6970 } 6971 6972 // Set native library paths again. For moves, the path will be updated based on the 6973 // ABIs we've determined above. For non-moves, the path will be updated based on the 6974 // ABIs we determined during compilation, but the path will depend on the final 6975 // package path (after the rename away from the stage path). 6976 setNativeLibraryPaths(pkg); 6977 } 6978 6979 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6980 final int[] userIds = sUserManager.getUserIds(); 6981 synchronized (mInstallLock) { 6982 // Make sure all user data directories are ready to roll; we're okay 6983 // if they already exist 6984 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 6985 for (int userId : userIds) { 6986 if (userId != 0) { 6987 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 6988 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 6989 pkg.applicationInfo.seinfo); 6990 } 6991 } 6992 } 6993 6994 // Create a native library symlink only if we have native libraries 6995 // and if the native libraries are 32 bit libraries. We do not provide 6996 // this symlink for 64 bit libraries. 6997 if (pkg.applicationInfo.primaryCpuAbi != null && 6998 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 6999 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7000 for (int userId : userIds) { 7001 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7002 nativeLibPath, userId) < 0) { 7003 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7004 "Failed linking native library dir (user=" + userId + ")"); 7005 } 7006 } 7007 } 7008 } 7009 7010 // This is a special case for the "system" package, where the ABI is 7011 // dictated by the zygote configuration (and init.rc). We should keep track 7012 // of this ABI so that we can deal with "normal" applications that run under 7013 // the same UID correctly. 7014 if (mPlatformPackage == pkg) { 7015 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7016 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7017 } 7018 7019 // If there's a mismatch between the abi-override in the package setting 7020 // and the abiOverride specified for the install. Warn about this because we 7021 // would've already compiled the app without taking the package setting into 7022 // account. 7023 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7024 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7025 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7026 " for package: " + pkg.packageName); 7027 } 7028 } 7029 7030 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7031 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7032 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7033 7034 // Copy the derived override back to the parsed package, so that we can 7035 // update the package settings accordingly. 7036 pkg.cpuAbiOverride = cpuAbiOverride; 7037 7038 if (DEBUG_ABI_SELECTION) { 7039 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7040 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7041 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7042 } 7043 7044 // Push the derived path down into PackageSettings so we know what to 7045 // clean up at uninstall time. 7046 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7047 7048 if (DEBUG_ABI_SELECTION) { 7049 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7050 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7051 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7052 } 7053 7054 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7055 // We don't do this here during boot because we can do it all 7056 // at once after scanning all existing packages. 7057 // 7058 // We also do this *before* we perform dexopt on this package, so that 7059 // we can avoid redundant dexopts, and also to make sure we've got the 7060 // code and package path correct. 7061 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7062 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, true /* boot complete */); 7063 } 7064 7065 if ((scanFlags & SCAN_NO_DEX) == 0) { 7066 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7067 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */, 7068 (scanFlags & SCAN_BOOTING) == 0); 7069 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7070 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7071 } 7072 } 7073 if (mFactoryTest && pkg.requestedPermissions.contains( 7074 android.Manifest.permission.FACTORY_TEST)) { 7075 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7076 } 7077 7078 ArrayList<PackageParser.Package> clientLibPkgs = null; 7079 7080 // writer 7081 synchronized (mPackages) { 7082 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7083 // Only system apps can add new shared libraries. 7084 if (pkg.libraryNames != null) { 7085 for (int i=0; i<pkg.libraryNames.size(); i++) { 7086 String name = pkg.libraryNames.get(i); 7087 boolean allowed = false; 7088 if (pkg.isUpdatedSystemApp()) { 7089 // New library entries can only be added through the 7090 // system image. This is important to get rid of a lot 7091 // of nasty edge cases: for example if we allowed a non- 7092 // system update of the app to add a library, then uninstalling 7093 // the update would make the library go away, and assumptions 7094 // we made such as through app install filtering would now 7095 // have allowed apps on the device which aren't compatible 7096 // with it. Better to just have the restriction here, be 7097 // conservative, and create many fewer cases that can negatively 7098 // impact the user experience. 7099 final PackageSetting sysPs = mSettings 7100 .getDisabledSystemPkgLPr(pkg.packageName); 7101 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7102 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7103 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7104 allowed = true; 7105 allowed = true; 7106 break; 7107 } 7108 } 7109 } 7110 } else { 7111 allowed = true; 7112 } 7113 if (allowed) { 7114 if (!mSharedLibraries.containsKey(name)) { 7115 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7116 } else if (!name.equals(pkg.packageName)) { 7117 Slog.w(TAG, "Package " + pkg.packageName + " library " 7118 + name + " already exists; skipping"); 7119 } 7120 } else { 7121 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7122 + name + " that is not declared on system image; skipping"); 7123 } 7124 } 7125 if ((scanFlags&SCAN_BOOTING) == 0) { 7126 // If we are not booting, we need to update any applications 7127 // that are clients of our shared library. If we are booting, 7128 // this will all be done once the scan is complete. 7129 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7130 } 7131 } 7132 } 7133 } 7134 7135 // We also need to dexopt any apps that are dependent on this library. Note that 7136 // if these fail, we should abort the install since installing the library will 7137 // result in some apps being broken. 7138 if (clientLibPkgs != null) { 7139 if ((scanFlags & SCAN_NO_DEX) == 0) { 7140 for (int i = 0; i < clientLibPkgs.size(); i++) { 7141 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7142 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7143 null /* instruction sets */, forceDex, 7144 (scanFlags & SCAN_DEFER_DEX) != 0, false, 7145 (scanFlags & SCAN_BOOTING) == 0); 7146 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7147 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7148 "scanPackageLI failed to dexopt clientLibPkgs"); 7149 } 7150 } 7151 } 7152 } 7153 7154 // Request the ActivityManager to kill the process(only for existing packages) 7155 // so that we do not end up in a confused state while the user is still using the older 7156 // version of the application while the new one gets installed. 7157 if ((scanFlags & SCAN_REPLACING) != 0) { 7158 killApplication(pkg.applicationInfo.packageName, 7159 pkg.applicationInfo.uid, "replace pkg"); 7160 } 7161 7162 // Also need to kill any apps that are dependent on the library. 7163 if (clientLibPkgs != null) { 7164 for (int i=0; i<clientLibPkgs.size(); i++) { 7165 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7166 killApplication(clientPkg.applicationInfo.packageName, 7167 clientPkg.applicationInfo.uid, "update lib"); 7168 } 7169 } 7170 7171 // Make sure we're not adding any bogus keyset info 7172 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7173 ksms.assertScannedPackageValid(pkg); 7174 7175 // writer 7176 synchronized (mPackages) { 7177 // We don't expect installation to fail beyond this point 7178 7179 // Add the new setting to mSettings 7180 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7181 // Add the new setting to mPackages 7182 mPackages.put(pkg.applicationInfo.packageName, pkg); 7183 // Make sure we don't accidentally delete its data. 7184 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7185 while (iter.hasNext()) { 7186 PackageCleanItem item = iter.next(); 7187 if (pkgName.equals(item.packageName)) { 7188 iter.remove(); 7189 } 7190 } 7191 7192 // Take care of first install / last update times. 7193 if (currentTime != 0) { 7194 if (pkgSetting.firstInstallTime == 0) { 7195 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7196 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7197 pkgSetting.lastUpdateTime = currentTime; 7198 } 7199 } else if (pkgSetting.firstInstallTime == 0) { 7200 // We need *something*. Take time time stamp of the file. 7201 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7202 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7203 if (scanFileTime != pkgSetting.timeStamp) { 7204 // A package on the system image has changed; consider this 7205 // to be an update. 7206 pkgSetting.lastUpdateTime = scanFileTime; 7207 } 7208 } 7209 7210 // Add the package's KeySets to the global KeySetManagerService 7211 ksms.addScannedPackageLPw(pkg); 7212 7213 int N = pkg.providers.size(); 7214 StringBuilder r = null; 7215 int i; 7216 for (i=0; i<N; i++) { 7217 PackageParser.Provider p = pkg.providers.get(i); 7218 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7219 p.info.processName, pkg.applicationInfo.uid); 7220 mProviders.addProvider(p); 7221 p.syncable = p.info.isSyncable; 7222 if (p.info.authority != null) { 7223 String names[] = p.info.authority.split(";"); 7224 p.info.authority = null; 7225 for (int j = 0; j < names.length; j++) { 7226 if (j == 1 && p.syncable) { 7227 // We only want the first authority for a provider to possibly be 7228 // syncable, so if we already added this provider using a different 7229 // authority clear the syncable flag. We copy the provider before 7230 // changing it because the mProviders object contains a reference 7231 // to a provider that we don't want to change. 7232 // Only do this for the second authority since the resulting provider 7233 // object can be the same for all future authorities for this provider. 7234 p = new PackageParser.Provider(p); 7235 p.syncable = false; 7236 } 7237 if (!mProvidersByAuthority.containsKey(names[j])) { 7238 mProvidersByAuthority.put(names[j], p); 7239 if (p.info.authority == null) { 7240 p.info.authority = names[j]; 7241 } else { 7242 p.info.authority = p.info.authority + ";" + names[j]; 7243 } 7244 if (DEBUG_PACKAGE_SCANNING) { 7245 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7246 Log.d(TAG, "Registered content provider: " + names[j] 7247 + ", className = " + p.info.name + ", isSyncable = " 7248 + p.info.isSyncable); 7249 } 7250 } else { 7251 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7252 Slog.w(TAG, "Skipping provider name " + names[j] + 7253 " (in package " + pkg.applicationInfo.packageName + 7254 "): name already used by " 7255 + ((other != null && other.getComponentName() != null) 7256 ? other.getComponentName().getPackageName() : "?")); 7257 } 7258 } 7259 } 7260 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7261 if (r == null) { 7262 r = new StringBuilder(256); 7263 } else { 7264 r.append(' '); 7265 } 7266 r.append(p.info.name); 7267 } 7268 } 7269 if (r != null) { 7270 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7271 } 7272 7273 N = pkg.services.size(); 7274 r = null; 7275 for (i=0; i<N; i++) { 7276 PackageParser.Service s = pkg.services.get(i); 7277 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7278 s.info.processName, pkg.applicationInfo.uid); 7279 mServices.addService(s); 7280 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7281 if (r == null) { 7282 r = new StringBuilder(256); 7283 } else { 7284 r.append(' '); 7285 } 7286 r.append(s.info.name); 7287 } 7288 } 7289 if (r != null) { 7290 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7291 } 7292 7293 N = pkg.receivers.size(); 7294 r = null; 7295 for (i=0; i<N; i++) { 7296 PackageParser.Activity a = pkg.receivers.get(i); 7297 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7298 a.info.processName, pkg.applicationInfo.uid); 7299 mReceivers.addActivity(a, "receiver"); 7300 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7301 if (r == null) { 7302 r = new StringBuilder(256); 7303 } else { 7304 r.append(' '); 7305 } 7306 r.append(a.info.name); 7307 } 7308 } 7309 if (r != null) { 7310 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7311 } 7312 7313 N = pkg.activities.size(); 7314 r = null; 7315 for (i=0; i<N; i++) { 7316 PackageParser.Activity a = pkg.activities.get(i); 7317 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7318 a.info.processName, pkg.applicationInfo.uid); 7319 mActivities.addActivity(a, "activity"); 7320 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7321 if (r == null) { 7322 r = new StringBuilder(256); 7323 } else { 7324 r.append(' '); 7325 } 7326 r.append(a.info.name); 7327 } 7328 } 7329 if (r != null) { 7330 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7331 } 7332 7333 N = pkg.permissionGroups.size(); 7334 r = null; 7335 for (i=0; i<N; i++) { 7336 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7337 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7338 if (cur == null) { 7339 mPermissionGroups.put(pg.info.name, pg); 7340 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7341 if (r == null) { 7342 r = new StringBuilder(256); 7343 } else { 7344 r.append(' '); 7345 } 7346 r.append(pg.info.name); 7347 } 7348 } else { 7349 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7350 + pg.info.packageName + " ignored: original from " 7351 + cur.info.packageName); 7352 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7353 if (r == null) { 7354 r = new StringBuilder(256); 7355 } else { 7356 r.append(' '); 7357 } 7358 r.append("DUP:"); 7359 r.append(pg.info.name); 7360 } 7361 } 7362 } 7363 if (r != null) { 7364 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7365 } 7366 7367 N = pkg.permissions.size(); 7368 r = null; 7369 for (i=0; i<N; i++) { 7370 PackageParser.Permission p = pkg.permissions.get(i); 7371 7372 // Assume by default that we did not install this permission into the system. 7373 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7374 7375 // Now that permission groups have a special meaning, we ignore permission 7376 // groups for legacy apps to prevent unexpected behavior. In particular, 7377 // permissions for one app being granted to someone just becuase they happen 7378 // to be in a group defined by another app (before this had no implications). 7379 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7380 p.group = mPermissionGroups.get(p.info.group); 7381 // Warn for a permission in an unknown group. 7382 if (p.info.group != null && p.group == null) { 7383 Slog.w(TAG, "Permission " + p.info.name + " from package " 7384 + p.info.packageName + " in an unknown group " + p.info.group); 7385 } 7386 } 7387 7388 ArrayMap<String, BasePermission> permissionMap = 7389 p.tree ? mSettings.mPermissionTrees 7390 : mSettings.mPermissions; 7391 BasePermission bp = permissionMap.get(p.info.name); 7392 7393 // Allow system apps to redefine non-system permissions 7394 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7395 final boolean currentOwnerIsSystem = (bp.perm != null 7396 && isSystemApp(bp.perm.owner)); 7397 if (isSystemApp(p.owner)) { 7398 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7399 // It's a built-in permission and no owner, take ownership now 7400 bp.packageSetting = pkgSetting; 7401 bp.perm = p; 7402 bp.uid = pkg.applicationInfo.uid; 7403 bp.sourcePackage = p.info.packageName; 7404 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7405 } else if (!currentOwnerIsSystem) { 7406 String msg = "New decl " + p.owner + " of permission " 7407 + p.info.name + " is system; overriding " + bp.sourcePackage; 7408 reportSettingsProblem(Log.WARN, msg); 7409 bp = null; 7410 } 7411 } 7412 } 7413 7414 if (bp == null) { 7415 bp = new BasePermission(p.info.name, p.info.packageName, 7416 BasePermission.TYPE_NORMAL); 7417 permissionMap.put(p.info.name, bp); 7418 } 7419 7420 if (bp.perm == null) { 7421 if (bp.sourcePackage == null 7422 || bp.sourcePackage.equals(p.info.packageName)) { 7423 BasePermission tree = findPermissionTreeLP(p.info.name); 7424 if (tree == null 7425 || tree.sourcePackage.equals(p.info.packageName)) { 7426 bp.packageSetting = pkgSetting; 7427 bp.perm = p; 7428 bp.uid = pkg.applicationInfo.uid; 7429 bp.sourcePackage = p.info.packageName; 7430 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7431 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7432 if (r == null) { 7433 r = new StringBuilder(256); 7434 } else { 7435 r.append(' '); 7436 } 7437 r.append(p.info.name); 7438 } 7439 } else { 7440 Slog.w(TAG, "Permission " + p.info.name + " from package " 7441 + p.info.packageName + " ignored: base tree " 7442 + tree.name + " is from package " 7443 + tree.sourcePackage); 7444 } 7445 } else { 7446 Slog.w(TAG, "Permission " + p.info.name + " from package " 7447 + p.info.packageName + " ignored: original from " 7448 + bp.sourcePackage); 7449 } 7450 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7451 if (r == null) { 7452 r = new StringBuilder(256); 7453 } else { 7454 r.append(' '); 7455 } 7456 r.append("DUP:"); 7457 r.append(p.info.name); 7458 } 7459 if (bp.perm == p) { 7460 bp.protectionLevel = p.info.protectionLevel; 7461 } 7462 } 7463 7464 if (r != null) { 7465 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7466 } 7467 7468 N = pkg.instrumentation.size(); 7469 r = null; 7470 for (i=0; i<N; i++) { 7471 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7472 a.info.packageName = pkg.applicationInfo.packageName; 7473 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7474 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7475 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7476 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7477 a.info.dataDir = pkg.applicationInfo.dataDir; 7478 7479 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7480 // need other information about the application, like the ABI and what not ? 7481 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7482 mInstrumentation.put(a.getComponentName(), a); 7483 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7484 if (r == null) { 7485 r = new StringBuilder(256); 7486 } else { 7487 r.append(' '); 7488 } 7489 r.append(a.info.name); 7490 } 7491 } 7492 if (r != null) { 7493 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7494 } 7495 7496 if (pkg.protectedBroadcasts != null) { 7497 N = pkg.protectedBroadcasts.size(); 7498 for (i=0; i<N; i++) { 7499 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7500 } 7501 } 7502 7503 pkgSetting.setTimeStamp(scanFileTime); 7504 7505 // Create idmap files for pairs of (packages, overlay packages). 7506 // Note: "android", ie framework-res.apk, is handled by native layers. 7507 if (pkg.mOverlayTarget != null) { 7508 // This is an overlay package. 7509 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7510 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7511 mOverlays.put(pkg.mOverlayTarget, 7512 new ArrayMap<String, PackageParser.Package>()); 7513 } 7514 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7515 map.put(pkg.packageName, pkg); 7516 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7517 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7518 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7519 "scanPackageLI failed to createIdmap"); 7520 } 7521 } 7522 } else if (mOverlays.containsKey(pkg.packageName) && 7523 !pkg.packageName.equals("android")) { 7524 // This is a regular package, with one or more known overlay packages. 7525 createIdmapsForPackageLI(pkg); 7526 } 7527 } 7528 7529 return pkg; 7530 } 7531 7532 /** 7533 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7534 * is derived purely on the basis of the contents of {@code scanFile} and 7535 * {@code cpuAbiOverride}. 7536 * 7537 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7538 */ 7539 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7540 String cpuAbiOverride, boolean extractLibs) 7541 throws PackageManagerException { 7542 // TODO: We can probably be smarter about this stuff. For installed apps, 7543 // we can calculate this information at install time once and for all. For 7544 // system apps, we can probably assume that this information doesn't change 7545 // after the first boot scan. As things stand, we do lots of unnecessary work. 7546 7547 // Give ourselves some initial paths; we'll come back for another 7548 // pass once we've determined ABI below. 7549 setNativeLibraryPaths(pkg); 7550 7551 // We would never need to extract libs for forward-locked and external packages, 7552 // since the container service will do it for us. We shouldn't attempt to 7553 // extract libs from system app when it was not updated. 7554 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7555 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7556 extractLibs = false; 7557 } 7558 7559 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7560 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7561 7562 NativeLibraryHelper.Handle handle = null; 7563 try { 7564 handle = NativeLibraryHelper.Handle.create(scanFile); 7565 // TODO(multiArch): This can be null for apps that didn't go through the 7566 // usual installation process. We can calculate it again, like we 7567 // do during install time. 7568 // 7569 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7570 // unnecessary. 7571 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7572 7573 // Null out the abis so that they can be recalculated. 7574 pkg.applicationInfo.primaryCpuAbi = null; 7575 pkg.applicationInfo.secondaryCpuAbi = null; 7576 if (isMultiArch(pkg.applicationInfo)) { 7577 // Warn if we've set an abiOverride for multi-lib packages.. 7578 // By definition, we need to copy both 32 and 64 bit libraries for 7579 // such packages. 7580 if (pkg.cpuAbiOverride != null 7581 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7582 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7583 } 7584 7585 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7586 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7587 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7588 if (extractLibs) { 7589 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7590 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7591 useIsaSpecificSubdirs); 7592 } else { 7593 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7594 } 7595 } 7596 7597 maybeThrowExceptionForMultiArchCopy( 7598 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7599 7600 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7601 if (extractLibs) { 7602 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7603 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7604 useIsaSpecificSubdirs); 7605 } else { 7606 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7607 } 7608 } 7609 7610 maybeThrowExceptionForMultiArchCopy( 7611 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7612 7613 if (abi64 >= 0) { 7614 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7615 } 7616 7617 if (abi32 >= 0) { 7618 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7619 if (abi64 >= 0) { 7620 pkg.applicationInfo.secondaryCpuAbi = abi; 7621 } else { 7622 pkg.applicationInfo.primaryCpuAbi = abi; 7623 } 7624 } 7625 } else { 7626 String[] abiList = (cpuAbiOverride != null) ? 7627 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7628 7629 // Enable gross and lame hacks for apps that are built with old 7630 // SDK tools. We must scan their APKs for renderscript bitcode and 7631 // not launch them if it's present. Don't bother checking on devices 7632 // that don't have 64 bit support. 7633 boolean needsRenderScriptOverride = false; 7634 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7635 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7636 abiList = Build.SUPPORTED_32_BIT_ABIS; 7637 needsRenderScriptOverride = true; 7638 } 7639 7640 final int copyRet; 7641 if (extractLibs) { 7642 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7643 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7644 } else { 7645 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7646 } 7647 7648 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7649 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7650 "Error unpackaging native libs for app, errorCode=" + copyRet); 7651 } 7652 7653 if (copyRet >= 0) { 7654 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7655 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7656 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7657 } else if (needsRenderScriptOverride) { 7658 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7659 } 7660 } 7661 } catch (IOException ioe) { 7662 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7663 } finally { 7664 IoUtils.closeQuietly(handle); 7665 } 7666 7667 // Now that we've calculated the ABIs and determined if it's an internal app, 7668 // we will go ahead and populate the nativeLibraryPath. 7669 setNativeLibraryPaths(pkg); 7670 } 7671 7672 /** 7673 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7674 * i.e, so that all packages can be run inside a single process if required. 7675 * 7676 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7677 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7678 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7679 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7680 * updating a package that belongs to a shared user. 7681 * 7682 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7683 * adds unnecessary complexity. 7684 */ 7685 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7686 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt, 7687 boolean bootComplete) { 7688 String requiredInstructionSet = null; 7689 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7690 requiredInstructionSet = VMRuntime.getInstructionSet( 7691 scannedPackage.applicationInfo.primaryCpuAbi); 7692 } 7693 7694 PackageSetting requirer = null; 7695 for (PackageSetting ps : packagesForUser) { 7696 // If packagesForUser contains scannedPackage, we skip it. This will happen 7697 // when scannedPackage is an update of an existing package. Without this check, 7698 // we will never be able to change the ABI of any package belonging to a shared 7699 // user, even if it's compatible with other packages. 7700 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7701 if (ps.primaryCpuAbiString == null) { 7702 continue; 7703 } 7704 7705 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7706 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7707 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7708 // this but there's not much we can do. 7709 String errorMessage = "Instruction set mismatch, " 7710 + ((requirer == null) ? "[caller]" : requirer) 7711 + " requires " + requiredInstructionSet + " whereas " + ps 7712 + " requires " + instructionSet; 7713 Slog.w(TAG, errorMessage); 7714 } 7715 7716 if (requiredInstructionSet == null) { 7717 requiredInstructionSet = instructionSet; 7718 requirer = ps; 7719 } 7720 } 7721 } 7722 7723 if (requiredInstructionSet != null) { 7724 String adjustedAbi; 7725 if (requirer != null) { 7726 // requirer != null implies that either scannedPackage was null or that scannedPackage 7727 // did not require an ABI, in which case we have to adjust scannedPackage to match 7728 // the ABI of the set (which is the same as requirer's ABI) 7729 adjustedAbi = requirer.primaryCpuAbiString; 7730 if (scannedPackage != null) { 7731 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7732 } 7733 } else { 7734 // requirer == null implies that we're updating all ABIs in the set to 7735 // match scannedPackage. 7736 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7737 } 7738 7739 for (PackageSetting ps : packagesForUser) { 7740 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7741 if (ps.primaryCpuAbiString != null) { 7742 continue; 7743 } 7744 7745 ps.primaryCpuAbiString = adjustedAbi; 7746 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7747 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7748 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7749 7750 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7751 null /* instruction sets */, forceDexOpt, deferDexOpt, true, 7752 bootComplete); 7753 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7754 ps.primaryCpuAbiString = null; 7755 ps.pkg.applicationInfo.primaryCpuAbi = null; 7756 return; 7757 } else { 7758 mInstaller.rmdex(ps.codePathString, 7759 getDexCodeInstructionSet(getPreferredInstructionSet())); 7760 } 7761 } 7762 } 7763 } 7764 } 7765 } 7766 7767 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7768 synchronized (mPackages) { 7769 mResolverReplaced = true; 7770 // Set up information for custom user intent resolution activity. 7771 mResolveActivity.applicationInfo = pkg.applicationInfo; 7772 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7773 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7774 mResolveActivity.processName = pkg.applicationInfo.packageName; 7775 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7776 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7777 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7778 mResolveActivity.theme = 0; 7779 mResolveActivity.exported = true; 7780 mResolveActivity.enabled = true; 7781 mResolveInfo.activityInfo = mResolveActivity; 7782 mResolveInfo.priority = 0; 7783 mResolveInfo.preferredOrder = 0; 7784 mResolveInfo.match = 0; 7785 mResolveComponentName = mCustomResolverComponentName; 7786 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7787 mResolveComponentName); 7788 } 7789 } 7790 7791 private static String calculateBundledApkRoot(final String codePathString) { 7792 final File codePath = new File(codePathString); 7793 final File codeRoot; 7794 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7795 codeRoot = Environment.getRootDirectory(); 7796 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7797 codeRoot = Environment.getOemDirectory(); 7798 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7799 codeRoot = Environment.getVendorDirectory(); 7800 } else { 7801 // Unrecognized code path; take its top real segment as the apk root: 7802 // e.g. /something/app/blah.apk => /something 7803 try { 7804 File f = codePath.getCanonicalFile(); 7805 File parent = f.getParentFile(); // non-null because codePath is a file 7806 File tmp; 7807 while ((tmp = parent.getParentFile()) != null) { 7808 f = parent; 7809 parent = tmp; 7810 } 7811 codeRoot = f; 7812 Slog.w(TAG, "Unrecognized code path " 7813 + codePath + " - using " + codeRoot); 7814 } catch (IOException e) { 7815 // Can't canonicalize the code path -- shenanigans? 7816 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7817 return Environment.getRootDirectory().getPath(); 7818 } 7819 } 7820 return codeRoot.getPath(); 7821 } 7822 7823 /** 7824 * Derive and set the location of native libraries for the given package, 7825 * which varies depending on where and how the package was installed. 7826 */ 7827 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7828 final ApplicationInfo info = pkg.applicationInfo; 7829 final String codePath = pkg.codePath; 7830 final File codeFile = new File(codePath); 7831 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7832 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 7833 7834 info.nativeLibraryRootDir = null; 7835 info.nativeLibraryRootRequiresIsa = false; 7836 info.nativeLibraryDir = null; 7837 info.secondaryNativeLibraryDir = null; 7838 7839 if (isApkFile(codeFile)) { 7840 // Monolithic install 7841 if (bundledApp) { 7842 // If "/system/lib64/apkname" exists, assume that is the per-package 7843 // native library directory to use; otherwise use "/system/lib/apkname". 7844 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7845 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7846 getPrimaryInstructionSet(info)); 7847 7848 // This is a bundled system app so choose the path based on the ABI. 7849 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7850 // is just the default path. 7851 final String apkName = deriveCodePathName(codePath); 7852 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7853 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7854 apkName).getAbsolutePath(); 7855 7856 if (info.secondaryCpuAbi != null) { 7857 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7858 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7859 secondaryLibDir, apkName).getAbsolutePath(); 7860 } 7861 } else if (asecApp) { 7862 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7863 .getAbsolutePath(); 7864 } else { 7865 final String apkName = deriveCodePathName(codePath); 7866 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7867 .getAbsolutePath(); 7868 } 7869 7870 info.nativeLibraryRootRequiresIsa = false; 7871 info.nativeLibraryDir = info.nativeLibraryRootDir; 7872 } else { 7873 // Cluster install 7874 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7875 info.nativeLibraryRootRequiresIsa = true; 7876 7877 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7878 getPrimaryInstructionSet(info)).getAbsolutePath(); 7879 7880 if (info.secondaryCpuAbi != null) { 7881 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7882 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7883 } 7884 } 7885 } 7886 7887 /** 7888 * Calculate the abis and roots for a bundled app. These can uniquely 7889 * be determined from the contents of the system partition, i.e whether 7890 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7891 * of this information, and instead assume that the system was built 7892 * sensibly. 7893 */ 7894 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7895 PackageSetting pkgSetting) { 7896 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7897 7898 // If "/system/lib64/apkname" exists, assume that is the per-package 7899 // native library directory to use; otherwise use "/system/lib/apkname". 7900 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7901 setBundledAppAbi(pkg, apkRoot, apkName); 7902 // pkgSetting might be null during rescan following uninstall of updates 7903 // to a bundled app, so accommodate that possibility. The settings in 7904 // that case will be established later from the parsed package. 7905 // 7906 // If the settings aren't null, sync them up with what we've just derived. 7907 // note that apkRoot isn't stored in the package settings. 7908 if (pkgSetting != null) { 7909 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7910 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7911 } 7912 } 7913 7914 /** 7915 * Deduces the ABI of a bundled app and sets the relevant fields on the 7916 * parsed pkg object. 7917 * 7918 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7919 * under which system libraries are installed. 7920 * @param apkName the name of the installed package. 7921 */ 7922 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7923 final File codeFile = new File(pkg.codePath); 7924 7925 final boolean has64BitLibs; 7926 final boolean has32BitLibs; 7927 if (isApkFile(codeFile)) { 7928 // Monolithic install 7929 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7930 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7931 } else { 7932 // Cluster install 7933 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7934 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7935 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7936 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7937 has64BitLibs = (new File(rootDir, isa)).exists(); 7938 } else { 7939 has64BitLibs = false; 7940 } 7941 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7942 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7943 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7944 has32BitLibs = (new File(rootDir, isa)).exists(); 7945 } else { 7946 has32BitLibs = false; 7947 } 7948 } 7949 7950 if (has64BitLibs && !has32BitLibs) { 7951 // The package has 64 bit libs, but not 32 bit libs. Its primary 7952 // ABI should be 64 bit. We can safely assume here that the bundled 7953 // native libraries correspond to the most preferred ABI in the list. 7954 7955 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7956 pkg.applicationInfo.secondaryCpuAbi = null; 7957 } else if (has32BitLibs && !has64BitLibs) { 7958 // The package has 32 bit libs but not 64 bit libs. Its primary 7959 // ABI should be 32 bit. 7960 7961 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7962 pkg.applicationInfo.secondaryCpuAbi = null; 7963 } else if (has32BitLibs && has64BitLibs) { 7964 // The application has both 64 and 32 bit bundled libraries. We check 7965 // here that the app declares multiArch support, and warn if it doesn't. 7966 // 7967 // We will be lenient here and record both ABIs. The primary will be the 7968 // ABI that's higher on the list, i.e, a device that's configured to prefer 7969 // 64 bit apps will see a 64 bit primary ABI, 7970 7971 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7972 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7973 } 7974 7975 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7976 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7977 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7978 } else { 7979 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7980 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7981 } 7982 } else { 7983 pkg.applicationInfo.primaryCpuAbi = null; 7984 pkg.applicationInfo.secondaryCpuAbi = null; 7985 } 7986 } 7987 7988 private void killApplication(String pkgName, int appId, String reason) { 7989 // Request the ActivityManager to kill the process(only for existing packages) 7990 // so that we do not end up in a confused state while the user is still using the older 7991 // version of the application while the new one gets installed. 7992 IActivityManager am = ActivityManagerNative.getDefault(); 7993 if (am != null) { 7994 try { 7995 am.killApplicationWithAppId(pkgName, appId, reason); 7996 } catch (RemoteException e) { 7997 } 7998 } 7999 } 8000 8001 void removePackageLI(PackageSetting ps, boolean chatty) { 8002 if (DEBUG_INSTALL) { 8003 if (chatty) 8004 Log.d(TAG, "Removing package " + ps.name); 8005 } 8006 8007 // writer 8008 synchronized (mPackages) { 8009 mPackages.remove(ps.name); 8010 final PackageParser.Package pkg = ps.pkg; 8011 if (pkg != null) { 8012 cleanPackageDataStructuresLILPw(pkg, chatty); 8013 } 8014 } 8015 } 8016 8017 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8018 if (DEBUG_INSTALL) { 8019 if (chatty) 8020 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8021 } 8022 8023 // writer 8024 synchronized (mPackages) { 8025 mPackages.remove(pkg.applicationInfo.packageName); 8026 cleanPackageDataStructuresLILPw(pkg, chatty); 8027 } 8028 } 8029 8030 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8031 int N = pkg.providers.size(); 8032 StringBuilder r = null; 8033 int i; 8034 for (i=0; i<N; i++) { 8035 PackageParser.Provider p = pkg.providers.get(i); 8036 mProviders.removeProvider(p); 8037 if (p.info.authority == null) { 8038 8039 /* There was another ContentProvider with this authority when 8040 * this app was installed so this authority is null, 8041 * Ignore it as we don't have to unregister the provider. 8042 */ 8043 continue; 8044 } 8045 String names[] = p.info.authority.split(";"); 8046 for (int j = 0; j < names.length; j++) { 8047 if (mProvidersByAuthority.get(names[j]) == p) { 8048 mProvidersByAuthority.remove(names[j]); 8049 if (DEBUG_REMOVE) { 8050 if (chatty) 8051 Log.d(TAG, "Unregistered content provider: " + names[j] 8052 + ", className = " + p.info.name + ", isSyncable = " 8053 + p.info.isSyncable); 8054 } 8055 } 8056 } 8057 if (DEBUG_REMOVE && chatty) { 8058 if (r == null) { 8059 r = new StringBuilder(256); 8060 } else { 8061 r.append(' '); 8062 } 8063 r.append(p.info.name); 8064 } 8065 } 8066 if (r != null) { 8067 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8068 } 8069 8070 N = pkg.services.size(); 8071 r = null; 8072 for (i=0; i<N; i++) { 8073 PackageParser.Service s = pkg.services.get(i); 8074 mServices.removeService(s); 8075 if (chatty) { 8076 if (r == null) { 8077 r = new StringBuilder(256); 8078 } else { 8079 r.append(' '); 8080 } 8081 r.append(s.info.name); 8082 } 8083 } 8084 if (r != null) { 8085 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8086 } 8087 8088 N = pkg.receivers.size(); 8089 r = null; 8090 for (i=0; i<N; i++) { 8091 PackageParser.Activity a = pkg.receivers.get(i); 8092 mReceivers.removeActivity(a, "receiver"); 8093 if (DEBUG_REMOVE && chatty) { 8094 if (r == null) { 8095 r = new StringBuilder(256); 8096 } else { 8097 r.append(' '); 8098 } 8099 r.append(a.info.name); 8100 } 8101 } 8102 if (r != null) { 8103 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8104 } 8105 8106 N = pkg.activities.size(); 8107 r = null; 8108 for (i=0; i<N; i++) { 8109 PackageParser.Activity a = pkg.activities.get(i); 8110 mActivities.removeActivity(a, "activity"); 8111 if (DEBUG_REMOVE && chatty) { 8112 if (r == null) { 8113 r = new StringBuilder(256); 8114 } else { 8115 r.append(' '); 8116 } 8117 r.append(a.info.name); 8118 } 8119 } 8120 if (r != null) { 8121 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8122 } 8123 8124 N = pkg.permissions.size(); 8125 r = null; 8126 for (i=0; i<N; i++) { 8127 PackageParser.Permission p = pkg.permissions.get(i); 8128 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8129 if (bp == null) { 8130 bp = mSettings.mPermissionTrees.get(p.info.name); 8131 } 8132 if (bp != null && bp.perm == p) { 8133 bp.perm = null; 8134 if (DEBUG_REMOVE && chatty) { 8135 if (r == null) { 8136 r = new StringBuilder(256); 8137 } else { 8138 r.append(' '); 8139 } 8140 r.append(p.info.name); 8141 } 8142 } 8143 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8144 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8145 if (appOpPerms != null) { 8146 appOpPerms.remove(pkg.packageName); 8147 } 8148 } 8149 } 8150 if (r != null) { 8151 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8152 } 8153 8154 N = pkg.requestedPermissions.size(); 8155 r = null; 8156 for (i=0; i<N; i++) { 8157 String perm = pkg.requestedPermissions.get(i); 8158 BasePermission bp = mSettings.mPermissions.get(perm); 8159 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8160 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8161 if (appOpPerms != null) { 8162 appOpPerms.remove(pkg.packageName); 8163 if (appOpPerms.isEmpty()) { 8164 mAppOpPermissionPackages.remove(perm); 8165 } 8166 } 8167 } 8168 } 8169 if (r != null) { 8170 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8171 } 8172 8173 N = pkg.instrumentation.size(); 8174 r = null; 8175 for (i=0; i<N; i++) { 8176 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8177 mInstrumentation.remove(a.getComponentName()); 8178 if (DEBUG_REMOVE && chatty) { 8179 if (r == null) { 8180 r = new StringBuilder(256); 8181 } else { 8182 r.append(' '); 8183 } 8184 r.append(a.info.name); 8185 } 8186 } 8187 if (r != null) { 8188 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8189 } 8190 8191 r = null; 8192 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8193 // Only system apps can hold shared libraries. 8194 if (pkg.libraryNames != null) { 8195 for (i=0; i<pkg.libraryNames.size(); i++) { 8196 String name = pkg.libraryNames.get(i); 8197 SharedLibraryEntry cur = mSharedLibraries.get(name); 8198 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8199 mSharedLibraries.remove(name); 8200 if (DEBUG_REMOVE && chatty) { 8201 if (r == null) { 8202 r = new StringBuilder(256); 8203 } else { 8204 r.append(' '); 8205 } 8206 r.append(name); 8207 } 8208 } 8209 } 8210 } 8211 } 8212 if (r != null) { 8213 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8214 } 8215 } 8216 8217 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8218 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8219 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8220 return true; 8221 } 8222 } 8223 return false; 8224 } 8225 8226 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8227 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8228 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8229 8230 private void updatePermissionsLPw(String changingPkg, 8231 PackageParser.Package pkgInfo, int flags) { 8232 // Make sure there are no dangling permission trees. 8233 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8234 while (it.hasNext()) { 8235 final BasePermission bp = it.next(); 8236 if (bp.packageSetting == null) { 8237 // We may not yet have parsed the package, so just see if 8238 // we still know about its settings. 8239 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8240 } 8241 if (bp.packageSetting == null) { 8242 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8243 + " from package " + bp.sourcePackage); 8244 it.remove(); 8245 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8246 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8247 Slog.i(TAG, "Removing old permission tree: " + bp.name 8248 + " from package " + bp.sourcePackage); 8249 flags |= UPDATE_PERMISSIONS_ALL; 8250 it.remove(); 8251 } 8252 } 8253 } 8254 8255 // Make sure all dynamic permissions have been assigned to a package, 8256 // and make sure there are no dangling permissions. 8257 it = mSettings.mPermissions.values().iterator(); 8258 while (it.hasNext()) { 8259 final BasePermission bp = it.next(); 8260 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8261 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8262 + bp.name + " pkg=" + bp.sourcePackage 8263 + " info=" + bp.pendingInfo); 8264 if (bp.packageSetting == null && bp.pendingInfo != null) { 8265 final BasePermission tree = findPermissionTreeLP(bp.name); 8266 if (tree != null && tree.perm != null) { 8267 bp.packageSetting = tree.packageSetting; 8268 bp.perm = new PackageParser.Permission(tree.perm.owner, 8269 new PermissionInfo(bp.pendingInfo)); 8270 bp.perm.info.packageName = tree.perm.info.packageName; 8271 bp.perm.info.name = bp.name; 8272 bp.uid = tree.uid; 8273 } 8274 } 8275 } 8276 if (bp.packageSetting == null) { 8277 // We may not yet have parsed the package, so just see if 8278 // we still know about its settings. 8279 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8280 } 8281 if (bp.packageSetting == null) { 8282 Slog.w(TAG, "Removing dangling permission: " + bp.name 8283 + " from package " + bp.sourcePackage); 8284 it.remove(); 8285 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8286 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8287 Slog.i(TAG, "Removing old permission: " + bp.name 8288 + " from package " + bp.sourcePackage); 8289 flags |= UPDATE_PERMISSIONS_ALL; 8290 it.remove(); 8291 } 8292 } 8293 } 8294 8295 // Now update the permissions for all packages, in particular 8296 // replace the granted permissions of the system packages. 8297 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8298 for (PackageParser.Package pkg : mPackages.values()) { 8299 if (pkg != pkgInfo) { 8300 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8301 changingPkg); 8302 } 8303 } 8304 } 8305 8306 if (pkgInfo != null) { 8307 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8308 } 8309 } 8310 8311 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8312 String packageOfInterest) { 8313 // IMPORTANT: There are two types of permissions: install and runtime. 8314 // Install time permissions are granted when the app is installed to 8315 // all device users and users added in the future. Runtime permissions 8316 // are granted at runtime explicitly to specific users. Normal and signature 8317 // protected permissions are install time permissions. Dangerous permissions 8318 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8319 // otherwise they are runtime permissions. This function does not manage 8320 // runtime permissions except for the case an app targeting Lollipop MR1 8321 // being upgraded to target a newer SDK, in which case dangerous permissions 8322 // are transformed from install time to runtime ones. 8323 8324 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8325 if (ps == null) { 8326 return; 8327 } 8328 8329 PermissionsState permissionsState = ps.getPermissionsState(); 8330 PermissionsState origPermissions = permissionsState; 8331 8332 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8333 8334 boolean runtimePermissionsRevoked = false; 8335 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8336 8337 boolean changedInstallPermission = false; 8338 8339 if (replace) { 8340 ps.installPermissionsFixed = false; 8341 if (!ps.isSharedUser()) { 8342 origPermissions = new PermissionsState(permissionsState); 8343 permissionsState.reset(); 8344 } else { 8345 // We need to know only about runtime permission changes since the 8346 // calling code always writes the install permissions state but 8347 // the runtime ones are written only if changed. The only cases of 8348 // changed runtime permissions here are promotion of an install to 8349 // runtime and revocation of a runtime from a shared user. 8350 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8351 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8352 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8353 runtimePermissionsRevoked = true; 8354 } 8355 } 8356 } 8357 8358 permissionsState.setGlobalGids(mGlobalGids); 8359 8360 final int N = pkg.requestedPermissions.size(); 8361 for (int i=0; i<N; i++) { 8362 final String name = pkg.requestedPermissions.get(i); 8363 final BasePermission bp = mSettings.mPermissions.get(name); 8364 8365 if (DEBUG_INSTALL) { 8366 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8367 } 8368 8369 if (bp == null || bp.packageSetting == null) { 8370 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8371 Slog.w(TAG, "Unknown permission " + name 8372 + " in package " + pkg.packageName); 8373 } 8374 continue; 8375 } 8376 8377 final String perm = bp.name; 8378 boolean allowedSig = false; 8379 int grant = GRANT_DENIED; 8380 8381 // Keep track of app op permissions. 8382 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8383 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8384 if (pkgs == null) { 8385 pkgs = new ArraySet<>(); 8386 mAppOpPermissionPackages.put(bp.name, pkgs); 8387 } 8388 pkgs.add(pkg.packageName); 8389 } 8390 8391 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8392 switch (level) { 8393 case PermissionInfo.PROTECTION_NORMAL: { 8394 // For all apps normal permissions are install time ones. 8395 grant = GRANT_INSTALL; 8396 } break; 8397 8398 case PermissionInfo.PROTECTION_DANGEROUS: { 8399 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8400 // For legacy apps dangerous permissions are install time ones. 8401 grant = GRANT_INSTALL_LEGACY; 8402 } else if (origPermissions.hasInstallPermission(bp.name)) { 8403 // For legacy apps that became modern, install becomes runtime. 8404 grant = GRANT_UPGRADE; 8405 } else if (mPromoteSystemApps 8406 && isSystemApp(ps) 8407 && mExistingSystemPackages.contains(ps.name)) { 8408 // For legacy system apps, install becomes runtime. 8409 // We cannot check hasInstallPermission() for system apps since those 8410 // permissions were granted implicitly and not persisted pre-M. 8411 grant = GRANT_UPGRADE; 8412 } else { 8413 // For modern apps keep runtime permissions unchanged. 8414 grant = GRANT_RUNTIME; 8415 } 8416 } break; 8417 8418 case PermissionInfo.PROTECTION_SIGNATURE: { 8419 // For all apps signature permissions are install time ones. 8420 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8421 if (allowedSig) { 8422 grant = GRANT_INSTALL; 8423 } 8424 } break; 8425 } 8426 8427 if (DEBUG_INSTALL) { 8428 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8429 } 8430 8431 if (grant != GRANT_DENIED) { 8432 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8433 // If this is an existing, non-system package, then 8434 // we can't add any new permissions to it. 8435 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8436 // Except... if this is a permission that was added 8437 // to the platform (note: need to only do this when 8438 // updating the platform). 8439 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8440 grant = GRANT_DENIED; 8441 } 8442 } 8443 } 8444 8445 switch (grant) { 8446 case GRANT_INSTALL: { 8447 // Revoke this as runtime permission to handle the case of 8448 // a runtime permission being downgraded to an install one. 8449 for (int userId : UserManagerService.getInstance().getUserIds()) { 8450 if (origPermissions.getRuntimePermissionState( 8451 bp.name, userId) != null) { 8452 // Revoke the runtime permission and clear the flags. 8453 origPermissions.revokeRuntimePermission(bp, userId); 8454 origPermissions.updatePermissionFlags(bp, userId, 8455 PackageManager.MASK_PERMISSION_FLAGS, 0); 8456 // If we revoked a permission permission, we have to write. 8457 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8458 changedRuntimePermissionUserIds, userId); 8459 } 8460 } 8461 // Grant an install permission. 8462 if (permissionsState.grantInstallPermission(bp) != 8463 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8464 changedInstallPermission = true; 8465 } 8466 } break; 8467 8468 case GRANT_INSTALL_LEGACY: { 8469 // Grant an install permission. 8470 if (permissionsState.grantInstallPermission(bp) != 8471 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8472 changedInstallPermission = true; 8473 } 8474 } break; 8475 8476 case GRANT_RUNTIME: { 8477 // Grant previously granted runtime permissions. 8478 for (int userId : UserManagerService.getInstance().getUserIds()) { 8479 PermissionState permissionState = origPermissions 8480 .getRuntimePermissionState(bp.name, userId); 8481 final int flags = permissionState != null 8482 ? permissionState.getFlags() : 0; 8483 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8484 if (permissionsState.grantRuntimePermission(bp, userId) == 8485 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8486 // If we cannot put the permission as it was, we have to write. 8487 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8488 changedRuntimePermissionUserIds, userId); 8489 } 8490 } 8491 // Propagate the permission flags. 8492 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8493 } 8494 } break; 8495 8496 case GRANT_UPGRADE: { 8497 // Grant runtime permissions for a previously held install permission. 8498 PermissionState permissionState = origPermissions 8499 .getInstallPermissionState(bp.name); 8500 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8501 8502 if (origPermissions.revokeInstallPermission(bp) 8503 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8504 // We will be transferring the permission flags, so clear them. 8505 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8506 PackageManager.MASK_PERMISSION_FLAGS, 0); 8507 changedInstallPermission = true; 8508 } 8509 8510 // If the permission is not to be promoted to runtime we ignore it and 8511 // also its other flags as they are not applicable to install permissions. 8512 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8513 for (int userId : currentUserIds) { 8514 if (permissionsState.grantRuntimePermission(bp, userId) != 8515 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8516 // Transfer the permission flags. 8517 permissionsState.updatePermissionFlags(bp, userId, 8518 flags, flags); 8519 // If we granted the permission, we have to write. 8520 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8521 changedRuntimePermissionUserIds, userId); 8522 } 8523 } 8524 } 8525 } break; 8526 8527 default: { 8528 if (packageOfInterest == null 8529 || packageOfInterest.equals(pkg.packageName)) { 8530 Slog.w(TAG, "Not granting permission " + perm 8531 + " to package " + pkg.packageName 8532 + " because it was previously installed without"); 8533 } 8534 } break; 8535 } 8536 } else { 8537 if (permissionsState.revokeInstallPermission(bp) != 8538 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8539 // Also drop the permission flags. 8540 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8541 PackageManager.MASK_PERMISSION_FLAGS, 0); 8542 changedInstallPermission = true; 8543 Slog.i(TAG, "Un-granting permission " + perm 8544 + " from package " + pkg.packageName 8545 + " (protectionLevel=" + bp.protectionLevel 8546 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8547 + ")"); 8548 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8549 // Don't print warning for app op permissions, since it is fine for them 8550 // not to be granted, there is a UI for the user to decide. 8551 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8552 Slog.w(TAG, "Not granting permission " + perm 8553 + " to package " + pkg.packageName 8554 + " (protectionLevel=" + bp.protectionLevel 8555 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8556 + ")"); 8557 } 8558 } 8559 } 8560 } 8561 8562 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8563 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8564 // This is the first that we have heard about this package, so the 8565 // permissions we have now selected are fixed until explicitly 8566 // changed. 8567 ps.installPermissionsFixed = true; 8568 } 8569 8570 // Persist the runtime permissions state for users with changes. If permissions 8571 // were revoked because no app in the shared user declares them we have to 8572 // write synchronously to avoid losing runtime permissions state. 8573 for (int userId : changedRuntimePermissionUserIds) { 8574 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8575 } 8576 } 8577 8578 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8579 boolean allowed = false; 8580 final int NP = PackageParser.NEW_PERMISSIONS.length; 8581 for (int ip=0; ip<NP; ip++) { 8582 final PackageParser.NewPermissionInfo npi 8583 = PackageParser.NEW_PERMISSIONS[ip]; 8584 if (npi.name.equals(perm) 8585 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8586 allowed = true; 8587 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8588 + pkg.packageName); 8589 break; 8590 } 8591 } 8592 return allowed; 8593 } 8594 8595 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8596 BasePermission bp, PermissionsState origPermissions) { 8597 boolean allowed; 8598 allowed = (compareSignatures( 8599 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8600 == PackageManager.SIGNATURE_MATCH) 8601 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8602 == PackageManager.SIGNATURE_MATCH); 8603 if (!allowed && (bp.protectionLevel 8604 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8605 if (isSystemApp(pkg)) { 8606 // For updated system applications, a system permission 8607 // is granted only if it had been defined by the original application. 8608 if (pkg.isUpdatedSystemApp()) { 8609 final PackageSetting sysPs = mSettings 8610 .getDisabledSystemPkgLPr(pkg.packageName); 8611 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8612 // If the original was granted this permission, we take 8613 // that grant decision as read and propagate it to the 8614 // update. 8615 if (sysPs.isPrivileged()) { 8616 allowed = true; 8617 } 8618 } else { 8619 // The system apk may have been updated with an older 8620 // version of the one on the data partition, but which 8621 // granted a new system permission that it didn't have 8622 // before. In this case we do want to allow the app to 8623 // now get the new permission if the ancestral apk is 8624 // privileged to get it. 8625 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8626 for (int j=0; 8627 j<sysPs.pkg.requestedPermissions.size(); j++) { 8628 if (perm.equals( 8629 sysPs.pkg.requestedPermissions.get(j))) { 8630 allowed = true; 8631 break; 8632 } 8633 } 8634 } 8635 } 8636 } else { 8637 allowed = isPrivilegedApp(pkg); 8638 } 8639 } 8640 } 8641 if (!allowed) { 8642 if (!allowed && (bp.protectionLevel 8643 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8644 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8645 // If this was a previously normal/dangerous permission that got moved 8646 // to a system permission as part of the runtime permission redesign, then 8647 // we still want to blindly grant it to old apps. 8648 allowed = true; 8649 } 8650 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8651 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8652 // If this permission is to be granted to the system installer and 8653 // this app is an installer, then it gets the permission. 8654 allowed = true; 8655 } 8656 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8657 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8658 // If this permission is to be granted to the system verifier and 8659 // this app is a verifier, then it gets the permission. 8660 allowed = true; 8661 } 8662 if (!allowed && (bp.protectionLevel 8663 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8664 && isSystemApp(pkg)) { 8665 // Any pre-installed system app is allowed to get this permission. 8666 allowed = true; 8667 } 8668 if (!allowed && (bp.protectionLevel 8669 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8670 // For development permissions, a development permission 8671 // is granted only if it was already granted. 8672 allowed = origPermissions.hasInstallPermission(perm); 8673 } 8674 } 8675 return allowed; 8676 } 8677 8678 final class ActivityIntentResolver 8679 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8680 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8681 boolean defaultOnly, int userId) { 8682 if (!sUserManager.exists(userId)) return null; 8683 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8684 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8685 } 8686 8687 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8688 int userId) { 8689 if (!sUserManager.exists(userId)) return null; 8690 mFlags = flags; 8691 return super.queryIntent(intent, resolvedType, 8692 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8693 } 8694 8695 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8696 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8697 if (!sUserManager.exists(userId)) return null; 8698 if (packageActivities == null) { 8699 return null; 8700 } 8701 mFlags = flags; 8702 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8703 final int N = packageActivities.size(); 8704 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8705 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8706 8707 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8708 for (int i = 0; i < N; ++i) { 8709 intentFilters = packageActivities.get(i).intents; 8710 if (intentFilters != null && intentFilters.size() > 0) { 8711 PackageParser.ActivityIntentInfo[] array = 8712 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8713 intentFilters.toArray(array); 8714 listCut.add(array); 8715 } 8716 } 8717 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8718 } 8719 8720 public final void addActivity(PackageParser.Activity a, String type) { 8721 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8722 mActivities.put(a.getComponentName(), a); 8723 if (DEBUG_SHOW_INFO) 8724 Log.v( 8725 TAG, " " + type + " " + 8726 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8727 if (DEBUG_SHOW_INFO) 8728 Log.v(TAG, " Class=" + a.info.name); 8729 final int NI = a.intents.size(); 8730 for (int j=0; j<NI; j++) { 8731 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8732 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8733 intent.setPriority(0); 8734 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8735 + a.className + " with priority > 0, forcing to 0"); 8736 } 8737 if (DEBUG_SHOW_INFO) { 8738 Log.v(TAG, " IntentFilter:"); 8739 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8740 } 8741 if (!intent.debugCheck()) { 8742 Log.w(TAG, "==> For Activity " + a.info.name); 8743 } 8744 addFilter(intent); 8745 } 8746 } 8747 8748 public final void removeActivity(PackageParser.Activity a, String type) { 8749 mActivities.remove(a.getComponentName()); 8750 if (DEBUG_SHOW_INFO) { 8751 Log.v(TAG, " " + type + " " 8752 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8753 : a.info.name) + ":"); 8754 Log.v(TAG, " Class=" + a.info.name); 8755 } 8756 final int NI = a.intents.size(); 8757 for (int j=0; j<NI; j++) { 8758 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8759 if (DEBUG_SHOW_INFO) { 8760 Log.v(TAG, " IntentFilter:"); 8761 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8762 } 8763 removeFilter(intent); 8764 } 8765 } 8766 8767 @Override 8768 protected boolean allowFilterResult( 8769 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8770 ActivityInfo filterAi = filter.activity.info; 8771 for (int i=dest.size()-1; i>=0; i--) { 8772 ActivityInfo destAi = dest.get(i).activityInfo; 8773 if (destAi.name == filterAi.name 8774 && destAi.packageName == filterAi.packageName) { 8775 return false; 8776 } 8777 } 8778 return true; 8779 } 8780 8781 @Override 8782 protected ActivityIntentInfo[] newArray(int size) { 8783 return new ActivityIntentInfo[size]; 8784 } 8785 8786 @Override 8787 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8788 if (!sUserManager.exists(userId)) return true; 8789 PackageParser.Package p = filter.activity.owner; 8790 if (p != null) { 8791 PackageSetting ps = (PackageSetting)p.mExtras; 8792 if (ps != null) { 8793 // System apps are never considered stopped for purposes of 8794 // filtering, because there may be no way for the user to 8795 // actually re-launch them. 8796 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8797 && ps.getStopped(userId); 8798 } 8799 } 8800 return false; 8801 } 8802 8803 @Override 8804 protected boolean isPackageForFilter(String packageName, 8805 PackageParser.ActivityIntentInfo info) { 8806 return packageName.equals(info.activity.owner.packageName); 8807 } 8808 8809 @Override 8810 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8811 int match, int userId) { 8812 if (!sUserManager.exists(userId)) return null; 8813 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8814 return null; 8815 } 8816 final PackageParser.Activity activity = info.activity; 8817 if (mSafeMode && (activity.info.applicationInfo.flags 8818 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8819 return null; 8820 } 8821 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8822 if (ps == null) { 8823 return null; 8824 } 8825 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8826 ps.readUserState(userId), userId); 8827 if (ai == null) { 8828 return null; 8829 } 8830 final ResolveInfo res = new ResolveInfo(); 8831 res.activityInfo = ai; 8832 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8833 res.filter = info; 8834 } 8835 if (info != null) { 8836 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8837 } 8838 res.priority = info.getPriority(); 8839 res.preferredOrder = activity.owner.mPreferredOrder; 8840 //System.out.println("Result: " + res.activityInfo.className + 8841 // " = " + res.priority); 8842 res.match = match; 8843 res.isDefault = info.hasDefault; 8844 res.labelRes = info.labelRes; 8845 res.nonLocalizedLabel = info.nonLocalizedLabel; 8846 if (userNeedsBadging(userId)) { 8847 res.noResourceId = true; 8848 } else { 8849 res.icon = info.icon; 8850 } 8851 res.iconResourceId = info.icon; 8852 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8853 return res; 8854 } 8855 8856 @Override 8857 protected void sortResults(List<ResolveInfo> results) { 8858 Collections.sort(results, mResolvePrioritySorter); 8859 } 8860 8861 @Override 8862 protected void dumpFilter(PrintWriter out, String prefix, 8863 PackageParser.ActivityIntentInfo filter) { 8864 out.print(prefix); out.print( 8865 Integer.toHexString(System.identityHashCode(filter.activity))); 8866 out.print(' '); 8867 filter.activity.printComponentShortName(out); 8868 out.print(" filter "); 8869 out.println(Integer.toHexString(System.identityHashCode(filter))); 8870 } 8871 8872 @Override 8873 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8874 return filter.activity; 8875 } 8876 8877 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8878 PackageParser.Activity activity = (PackageParser.Activity)label; 8879 out.print(prefix); out.print( 8880 Integer.toHexString(System.identityHashCode(activity))); 8881 out.print(' '); 8882 activity.printComponentShortName(out); 8883 if (count > 1) { 8884 out.print(" ("); out.print(count); out.print(" filters)"); 8885 } 8886 out.println(); 8887 } 8888 8889// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8890// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8891// final List<ResolveInfo> retList = Lists.newArrayList(); 8892// while (i.hasNext()) { 8893// final ResolveInfo resolveInfo = i.next(); 8894// if (isEnabledLP(resolveInfo.activityInfo)) { 8895// retList.add(resolveInfo); 8896// } 8897// } 8898// return retList; 8899// } 8900 8901 // Keys are String (activity class name), values are Activity. 8902 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8903 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8904 private int mFlags; 8905 } 8906 8907 private final class ServiceIntentResolver 8908 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8909 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8910 boolean defaultOnly, int userId) { 8911 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8912 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8913 } 8914 8915 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8916 int userId) { 8917 if (!sUserManager.exists(userId)) return null; 8918 mFlags = flags; 8919 return super.queryIntent(intent, resolvedType, 8920 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8921 } 8922 8923 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8924 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8925 if (!sUserManager.exists(userId)) return null; 8926 if (packageServices == null) { 8927 return null; 8928 } 8929 mFlags = flags; 8930 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8931 final int N = packageServices.size(); 8932 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8933 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8934 8935 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8936 for (int i = 0; i < N; ++i) { 8937 intentFilters = packageServices.get(i).intents; 8938 if (intentFilters != null && intentFilters.size() > 0) { 8939 PackageParser.ServiceIntentInfo[] array = 8940 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8941 intentFilters.toArray(array); 8942 listCut.add(array); 8943 } 8944 } 8945 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8946 } 8947 8948 public final void addService(PackageParser.Service s) { 8949 mServices.put(s.getComponentName(), s); 8950 if (DEBUG_SHOW_INFO) { 8951 Log.v(TAG, " " 8952 + (s.info.nonLocalizedLabel != null 8953 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8954 Log.v(TAG, " Class=" + s.info.name); 8955 } 8956 final int NI = s.intents.size(); 8957 int j; 8958 for (j=0; j<NI; j++) { 8959 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8960 if (DEBUG_SHOW_INFO) { 8961 Log.v(TAG, " IntentFilter:"); 8962 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8963 } 8964 if (!intent.debugCheck()) { 8965 Log.w(TAG, "==> For Service " + s.info.name); 8966 } 8967 addFilter(intent); 8968 } 8969 } 8970 8971 public final void removeService(PackageParser.Service s) { 8972 mServices.remove(s.getComponentName()); 8973 if (DEBUG_SHOW_INFO) { 8974 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8975 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8976 Log.v(TAG, " Class=" + s.info.name); 8977 } 8978 final int NI = s.intents.size(); 8979 int j; 8980 for (j=0; j<NI; j++) { 8981 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8982 if (DEBUG_SHOW_INFO) { 8983 Log.v(TAG, " IntentFilter:"); 8984 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8985 } 8986 removeFilter(intent); 8987 } 8988 } 8989 8990 @Override 8991 protected boolean allowFilterResult( 8992 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 8993 ServiceInfo filterSi = filter.service.info; 8994 for (int i=dest.size()-1; i>=0; i--) { 8995 ServiceInfo destAi = dest.get(i).serviceInfo; 8996 if (destAi.name == filterSi.name 8997 && destAi.packageName == filterSi.packageName) { 8998 return false; 8999 } 9000 } 9001 return true; 9002 } 9003 9004 @Override 9005 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9006 return new PackageParser.ServiceIntentInfo[size]; 9007 } 9008 9009 @Override 9010 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9011 if (!sUserManager.exists(userId)) return true; 9012 PackageParser.Package p = filter.service.owner; 9013 if (p != null) { 9014 PackageSetting ps = (PackageSetting)p.mExtras; 9015 if (ps != null) { 9016 // System apps are never considered stopped for purposes of 9017 // filtering, because there may be no way for the user to 9018 // actually re-launch them. 9019 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9020 && ps.getStopped(userId); 9021 } 9022 } 9023 return false; 9024 } 9025 9026 @Override 9027 protected boolean isPackageForFilter(String packageName, 9028 PackageParser.ServiceIntentInfo info) { 9029 return packageName.equals(info.service.owner.packageName); 9030 } 9031 9032 @Override 9033 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9034 int match, int userId) { 9035 if (!sUserManager.exists(userId)) return null; 9036 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9037 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9038 return null; 9039 } 9040 final PackageParser.Service service = info.service; 9041 if (mSafeMode && (service.info.applicationInfo.flags 9042 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9043 return null; 9044 } 9045 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9046 if (ps == null) { 9047 return null; 9048 } 9049 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9050 ps.readUserState(userId), userId); 9051 if (si == null) { 9052 return null; 9053 } 9054 final ResolveInfo res = new ResolveInfo(); 9055 res.serviceInfo = si; 9056 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9057 res.filter = filter; 9058 } 9059 res.priority = info.getPriority(); 9060 res.preferredOrder = service.owner.mPreferredOrder; 9061 res.match = match; 9062 res.isDefault = info.hasDefault; 9063 res.labelRes = info.labelRes; 9064 res.nonLocalizedLabel = info.nonLocalizedLabel; 9065 res.icon = info.icon; 9066 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9067 return res; 9068 } 9069 9070 @Override 9071 protected void sortResults(List<ResolveInfo> results) { 9072 Collections.sort(results, mResolvePrioritySorter); 9073 } 9074 9075 @Override 9076 protected void dumpFilter(PrintWriter out, String prefix, 9077 PackageParser.ServiceIntentInfo filter) { 9078 out.print(prefix); out.print( 9079 Integer.toHexString(System.identityHashCode(filter.service))); 9080 out.print(' '); 9081 filter.service.printComponentShortName(out); 9082 out.print(" filter "); 9083 out.println(Integer.toHexString(System.identityHashCode(filter))); 9084 } 9085 9086 @Override 9087 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9088 return filter.service; 9089 } 9090 9091 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9092 PackageParser.Service service = (PackageParser.Service)label; 9093 out.print(prefix); out.print( 9094 Integer.toHexString(System.identityHashCode(service))); 9095 out.print(' '); 9096 service.printComponentShortName(out); 9097 if (count > 1) { 9098 out.print(" ("); out.print(count); out.print(" filters)"); 9099 } 9100 out.println(); 9101 } 9102 9103// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9104// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9105// final List<ResolveInfo> retList = Lists.newArrayList(); 9106// while (i.hasNext()) { 9107// final ResolveInfo resolveInfo = (ResolveInfo) i; 9108// if (isEnabledLP(resolveInfo.serviceInfo)) { 9109// retList.add(resolveInfo); 9110// } 9111// } 9112// return retList; 9113// } 9114 9115 // Keys are String (activity class name), values are Activity. 9116 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9117 = new ArrayMap<ComponentName, PackageParser.Service>(); 9118 private int mFlags; 9119 }; 9120 9121 private final class ProviderIntentResolver 9122 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9123 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9124 boolean defaultOnly, int userId) { 9125 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9126 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9127 } 9128 9129 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9130 int userId) { 9131 if (!sUserManager.exists(userId)) 9132 return null; 9133 mFlags = flags; 9134 return super.queryIntent(intent, resolvedType, 9135 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9136 } 9137 9138 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9139 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9140 if (!sUserManager.exists(userId)) 9141 return null; 9142 if (packageProviders == null) { 9143 return null; 9144 } 9145 mFlags = flags; 9146 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9147 final int N = packageProviders.size(); 9148 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9149 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9150 9151 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9152 for (int i = 0; i < N; ++i) { 9153 intentFilters = packageProviders.get(i).intents; 9154 if (intentFilters != null && intentFilters.size() > 0) { 9155 PackageParser.ProviderIntentInfo[] array = 9156 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9157 intentFilters.toArray(array); 9158 listCut.add(array); 9159 } 9160 } 9161 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9162 } 9163 9164 public final void addProvider(PackageParser.Provider p) { 9165 if (mProviders.containsKey(p.getComponentName())) { 9166 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9167 return; 9168 } 9169 9170 mProviders.put(p.getComponentName(), p); 9171 if (DEBUG_SHOW_INFO) { 9172 Log.v(TAG, " " 9173 + (p.info.nonLocalizedLabel != null 9174 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9175 Log.v(TAG, " Class=" + p.info.name); 9176 } 9177 final int NI = p.intents.size(); 9178 int j; 9179 for (j = 0; j < NI; j++) { 9180 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9181 if (DEBUG_SHOW_INFO) { 9182 Log.v(TAG, " IntentFilter:"); 9183 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9184 } 9185 if (!intent.debugCheck()) { 9186 Log.w(TAG, "==> For Provider " + p.info.name); 9187 } 9188 addFilter(intent); 9189 } 9190 } 9191 9192 public final void removeProvider(PackageParser.Provider p) { 9193 mProviders.remove(p.getComponentName()); 9194 if (DEBUG_SHOW_INFO) { 9195 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9196 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9197 Log.v(TAG, " Class=" + p.info.name); 9198 } 9199 final int NI = p.intents.size(); 9200 int j; 9201 for (j = 0; j < NI; j++) { 9202 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9203 if (DEBUG_SHOW_INFO) { 9204 Log.v(TAG, " IntentFilter:"); 9205 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9206 } 9207 removeFilter(intent); 9208 } 9209 } 9210 9211 @Override 9212 protected boolean allowFilterResult( 9213 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9214 ProviderInfo filterPi = filter.provider.info; 9215 for (int i = dest.size() - 1; i >= 0; i--) { 9216 ProviderInfo destPi = dest.get(i).providerInfo; 9217 if (destPi.name == filterPi.name 9218 && destPi.packageName == filterPi.packageName) { 9219 return false; 9220 } 9221 } 9222 return true; 9223 } 9224 9225 @Override 9226 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9227 return new PackageParser.ProviderIntentInfo[size]; 9228 } 9229 9230 @Override 9231 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9232 if (!sUserManager.exists(userId)) 9233 return true; 9234 PackageParser.Package p = filter.provider.owner; 9235 if (p != null) { 9236 PackageSetting ps = (PackageSetting) p.mExtras; 9237 if (ps != null) { 9238 // System apps are never considered stopped for purposes of 9239 // filtering, because there may be no way for the user to 9240 // actually re-launch them. 9241 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9242 && ps.getStopped(userId); 9243 } 9244 } 9245 return false; 9246 } 9247 9248 @Override 9249 protected boolean isPackageForFilter(String packageName, 9250 PackageParser.ProviderIntentInfo info) { 9251 return packageName.equals(info.provider.owner.packageName); 9252 } 9253 9254 @Override 9255 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9256 int match, int userId) { 9257 if (!sUserManager.exists(userId)) 9258 return null; 9259 final PackageParser.ProviderIntentInfo info = filter; 9260 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9261 return null; 9262 } 9263 final PackageParser.Provider provider = info.provider; 9264 if (mSafeMode && (provider.info.applicationInfo.flags 9265 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9266 return null; 9267 } 9268 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9269 if (ps == null) { 9270 return null; 9271 } 9272 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9273 ps.readUserState(userId), userId); 9274 if (pi == null) { 9275 return null; 9276 } 9277 final ResolveInfo res = new ResolveInfo(); 9278 res.providerInfo = pi; 9279 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9280 res.filter = filter; 9281 } 9282 res.priority = info.getPriority(); 9283 res.preferredOrder = provider.owner.mPreferredOrder; 9284 res.match = match; 9285 res.isDefault = info.hasDefault; 9286 res.labelRes = info.labelRes; 9287 res.nonLocalizedLabel = info.nonLocalizedLabel; 9288 res.icon = info.icon; 9289 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9290 return res; 9291 } 9292 9293 @Override 9294 protected void sortResults(List<ResolveInfo> results) { 9295 Collections.sort(results, mResolvePrioritySorter); 9296 } 9297 9298 @Override 9299 protected void dumpFilter(PrintWriter out, String prefix, 9300 PackageParser.ProviderIntentInfo filter) { 9301 out.print(prefix); 9302 out.print( 9303 Integer.toHexString(System.identityHashCode(filter.provider))); 9304 out.print(' '); 9305 filter.provider.printComponentShortName(out); 9306 out.print(" filter "); 9307 out.println(Integer.toHexString(System.identityHashCode(filter))); 9308 } 9309 9310 @Override 9311 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9312 return filter.provider; 9313 } 9314 9315 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9316 PackageParser.Provider provider = (PackageParser.Provider)label; 9317 out.print(prefix); out.print( 9318 Integer.toHexString(System.identityHashCode(provider))); 9319 out.print(' '); 9320 provider.printComponentShortName(out); 9321 if (count > 1) { 9322 out.print(" ("); out.print(count); out.print(" filters)"); 9323 } 9324 out.println(); 9325 } 9326 9327 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9328 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9329 private int mFlags; 9330 }; 9331 9332 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9333 new Comparator<ResolveInfo>() { 9334 public int compare(ResolveInfo r1, ResolveInfo r2) { 9335 int v1 = r1.priority; 9336 int v2 = r2.priority; 9337 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9338 if (v1 != v2) { 9339 return (v1 > v2) ? -1 : 1; 9340 } 9341 v1 = r1.preferredOrder; 9342 v2 = r2.preferredOrder; 9343 if (v1 != v2) { 9344 return (v1 > v2) ? -1 : 1; 9345 } 9346 if (r1.isDefault != r2.isDefault) { 9347 return r1.isDefault ? -1 : 1; 9348 } 9349 v1 = r1.match; 9350 v2 = r2.match; 9351 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9352 if (v1 != v2) { 9353 return (v1 > v2) ? -1 : 1; 9354 } 9355 if (r1.system != r2.system) { 9356 return r1.system ? -1 : 1; 9357 } 9358 return 0; 9359 } 9360 }; 9361 9362 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9363 new Comparator<ProviderInfo>() { 9364 public int compare(ProviderInfo p1, ProviderInfo p2) { 9365 final int v1 = p1.initOrder; 9366 final int v2 = p2.initOrder; 9367 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9368 } 9369 }; 9370 9371 final void sendPackageBroadcast(final String action, final String pkg, 9372 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9373 final int[] userIds) { 9374 mHandler.post(new Runnable() { 9375 @Override 9376 public void run() { 9377 try { 9378 final IActivityManager am = ActivityManagerNative.getDefault(); 9379 if (am == null) return; 9380 final int[] resolvedUserIds; 9381 if (userIds == null) { 9382 resolvedUserIds = am.getRunningUserIds(); 9383 } else { 9384 resolvedUserIds = userIds; 9385 } 9386 for (int id : resolvedUserIds) { 9387 final Intent intent = new Intent(action, 9388 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9389 if (extras != null) { 9390 intent.putExtras(extras); 9391 } 9392 if (targetPkg != null) { 9393 intent.setPackage(targetPkg); 9394 } 9395 // Modify the UID when posting to other users 9396 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9397 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9398 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9399 intent.putExtra(Intent.EXTRA_UID, uid); 9400 } 9401 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9402 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9403 if (DEBUG_BROADCASTS) { 9404 RuntimeException here = new RuntimeException("here"); 9405 here.fillInStackTrace(); 9406 Slog.d(TAG, "Sending to user " + id + ": " 9407 + intent.toShortString(false, true, false, false) 9408 + " " + intent.getExtras(), here); 9409 } 9410 am.broadcastIntent(null, intent, null, finishedReceiver, 9411 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9412 null, finishedReceiver != null, false, id); 9413 } 9414 } catch (RemoteException ex) { 9415 } 9416 } 9417 }); 9418 } 9419 9420 /** 9421 * Check if the external storage media is available. This is true if there 9422 * is a mounted external storage medium or if the external storage is 9423 * emulated. 9424 */ 9425 private boolean isExternalMediaAvailable() { 9426 return mMediaMounted || Environment.isExternalStorageEmulated(); 9427 } 9428 9429 @Override 9430 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9431 // writer 9432 synchronized (mPackages) { 9433 if (!isExternalMediaAvailable()) { 9434 // If the external storage is no longer mounted at this point, 9435 // the caller may not have been able to delete all of this 9436 // packages files and can not delete any more. Bail. 9437 return null; 9438 } 9439 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9440 if (lastPackage != null) { 9441 pkgs.remove(lastPackage); 9442 } 9443 if (pkgs.size() > 0) { 9444 return pkgs.get(0); 9445 } 9446 } 9447 return null; 9448 } 9449 9450 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9451 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9452 userId, andCode ? 1 : 0, packageName); 9453 if (mSystemReady) { 9454 msg.sendToTarget(); 9455 } else { 9456 if (mPostSystemReadyMessages == null) { 9457 mPostSystemReadyMessages = new ArrayList<>(); 9458 } 9459 mPostSystemReadyMessages.add(msg); 9460 } 9461 } 9462 9463 void startCleaningPackages() { 9464 // reader 9465 synchronized (mPackages) { 9466 if (!isExternalMediaAvailable()) { 9467 return; 9468 } 9469 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9470 return; 9471 } 9472 } 9473 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9474 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9475 IActivityManager am = ActivityManagerNative.getDefault(); 9476 if (am != null) { 9477 try { 9478 am.startService(null, intent, null, mContext.getOpPackageName(), 9479 UserHandle.USER_OWNER); 9480 } catch (RemoteException e) { 9481 } 9482 } 9483 } 9484 9485 @Override 9486 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9487 int installFlags, String installerPackageName, VerificationParams verificationParams, 9488 String packageAbiOverride) { 9489 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9490 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9491 } 9492 9493 @Override 9494 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9495 int installFlags, String installerPackageName, VerificationParams verificationParams, 9496 String packageAbiOverride, int userId) { 9497 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9498 9499 final int callingUid = Binder.getCallingUid(); 9500 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9501 9502 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9503 try { 9504 if (observer != null) { 9505 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9506 } 9507 } catch (RemoteException re) { 9508 } 9509 return; 9510 } 9511 9512 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9513 installFlags |= PackageManager.INSTALL_FROM_ADB; 9514 9515 } else { 9516 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9517 // about installerPackageName. 9518 9519 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9520 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9521 } 9522 9523 UserHandle user; 9524 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9525 user = UserHandle.ALL; 9526 } else { 9527 user = new UserHandle(userId); 9528 } 9529 9530 // Only system components can circumvent runtime permissions when installing. 9531 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9532 && mContext.checkCallingOrSelfPermission(Manifest.permission 9533 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9534 throw new SecurityException("You need the " 9535 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9536 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9537 } 9538 9539 verificationParams.setInstallerUid(callingUid); 9540 9541 final File originFile = new File(originPath); 9542 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9543 9544 final Message msg = mHandler.obtainMessage(INIT_COPY); 9545 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9546 null, verificationParams, user, packageAbiOverride, null); 9547 mHandler.sendMessage(msg); 9548 } 9549 9550 void installStage(String packageName, File stagedDir, String stagedCid, 9551 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9552 String installerPackageName, int installerUid, UserHandle user) { 9553 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9554 params.referrerUri, installerUid, null); 9555 verifParams.setInstallerUid(installerUid); 9556 9557 final OriginInfo origin; 9558 if (stagedDir != null) { 9559 origin = OriginInfo.fromStagedFile(stagedDir); 9560 } else { 9561 origin = OriginInfo.fromStagedContainer(stagedCid); 9562 } 9563 9564 final Message msg = mHandler.obtainMessage(INIT_COPY); 9565 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9566 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride, 9567 params.grantedRuntimePermissions); 9568 mHandler.sendMessage(msg); 9569 } 9570 9571 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9572 Bundle extras = new Bundle(1); 9573 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9574 9575 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9576 packageName, extras, null, null, new int[] {userId}); 9577 try { 9578 IActivityManager am = ActivityManagerNative.getDefault(); 9579 final boolean isSystem = 9580 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9581 if (isSystem && am.isUserRunning(userId, false)) { 9582 // The just-installed/enabled app is bundled on the system, so presumed 9583 // to be able to run automatically without needing an explicit launch. 9584 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9585 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9586 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9587 .setPackage(packageName); 9588 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9589 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9590 } 9591 } catch (RemoteException e) { 9592 // shouldn't happen 9593 Slog.w(TAG, "Unable to bootstrap installed package", e); 9594 } 9595 } 9596 9597 @Override 9598 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9599 int userId) { 9600 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9601 PackageSetting pkgSetting; 9602 final int uid = Binder.getCallingUid(); 9603 enforceCrossUserPermission(uid, userId, true, true, 9604 "setApplicationHiddenSetting for user " + userId); 9605 9606 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9607 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9608 return false; 9609 } 9610 9611 long callingId = Binder.clearCallingIdentity(); 9612 try { 9613 boolean sendAdded = false; 9614 boolean sendRemoved = false; 9615 // writer 9616 synchronized (mPackages) { 9617 pkgSetting = mSettings.mPackages.get(packageName); 9618 if (pkgSetting == null) { 9619 return false; 9620 } 9621 if (pkgSetting.getHidden(userId) != hidden) { 9622 pkgSetting.setHidden(hidden, userId); 9623 mSettings.writePackageRestrictionsLPr(userId); 9624 if (hidden) { 9625 sendRemoved = true; 9626 } else { 9627 sendAdded = true; 9628 } 9629 } 9630 } 9631 if (sendAdded) { 9632 sendPackageAddedForUser(packageName, pkgSetting, userId); 9633 return true; 9634 } 9635 if (sendRemoved) { 9636 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9637 "hiding pkg"); 9638 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9639 return true; 9640 } 9641 } finally { 9642 Binder.restoreCallingIdentity(callingId); 9643 } 9644 return false; 9645 } 9646 9647 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9648 int userId) { 9649 final PackageRemovedInfo info = new PackageRemovedInfo(); 9650 info.removedPackage = packageName; 9651 info.removedUsers = new int[] {userId}; 9652 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9653 info.sendBroadcast(false, false, false); 9654 } 9655 9656 /** 9657 * Returns true if application is not found or there was an error. Otherwise it returns 9658 * the hidden state of the package for the given user. 9659 */ 9660 @Override 9661 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9662 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9663 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9664 false, "getApplicationHidden for user " + userId); 9665 PackageSetting pkgSetting; 9666 long callingId = Binder.clearCallingIdentity(); 9667 try { 9668 // writer 9669 synchronized (mPackages) { 9670 pkgSetting = mSettings.mPackages.get(packageName); 9671 if (pkgSetting == null) { 9672 return true; 9673 } 9674 return pkgSetting.getHidden(userId); 9675 } 9676 } finally { 9677 Binder.restoreCallingIdentity(callingId); 9678 } 9679 } 9680 9681 /** 9682 * @hide 9683 */ 9684 @Override 9685 public int installExistingPackageAsUser(String packageName, int userId) { 9686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9687 null); 9688 PackageSetting pkgSetting; 9689 final int uid = Binder.getCallingUid(); 9690 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9691 + userId); 9692 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9693 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9694 } 9695 9696 long callingId = Binder.clearCallingIdentity(); 9697 try { 9698 boolean sendAdded = false; 9699 9700 // writer 9701 synchronized (mPackages) { 9702 pkgSetting = mSettings.mPackages.get(packageName); 9703 if (pkgSetting == null) { 9704 return PackageManager.INSTALL_FAILED_INVALID_URI; 9705 } 9706 if (!pkgSetting.getInstalled(userId)) { 9707 pkgSetting.setInstalled(true, userId); 9708 pkgSetting.setHidden(false, userId); 9709 mSettings.writePackageRestrictionsLPr(userId); 9710 sendAdded = true; 9711 } 9712 } 9713 9714 if (sendAdded) { 9715 sendPackageAddedForUser(packageName, pkgSetting, userId); 9716 } 9717 } finally { 9718 Binder.restoreCallingIdentity(callingId); 9719 } 9720 9721 return PackageManager.INSTALL_SUCCEEDED; 9722 } 9723 9724 boolean isUserRestricted(int userId, String restrictionKey) { 9725 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9726 if (restrictions.getBoolean(restrictionKey, false)) { 9727 Log.w(TAG, "User is restricted: " + restrictionKey); 9728 return true; 9729 } 9730 return false; 9731 } 9732 9733 @Override 9734 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9735 mContext.enforceCallingOrSelfPermission( 9736 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9737 "Only package verification agents can verify applications"); 9738 9739 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9740 final PackageVerificationResponse response = new PackageVerificationResponse( 9741 verificationCode, Binder.getCallingUid()); 9742 msg.arg1 = id; 9743 msg.obj = response; 9744 mHandler.sendMessage(msg); 9745 } 9746 9747 @Override 9748 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9749 long millisecondsToDelay) { 9750 mContext.enforceCallingOrSelfPermission( 9751 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9752 "Only package verification agents can extend verification timeouts"); 9753 9754 final PackageVerificationState state = mPendingVerification.get(id); 9755 final PackageVerificationResponse response = new PackageVerificationResponse( 9756 verificationCodeAtTimeout, Binder.getCallingUid()); 9757 9758 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9759 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9760 } 9761 if (millisecondsToDelay < 0) { 9762 millisecondsToDelay = 0; 9763 } 9764 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9765 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9766 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9767 } 9768 9769 if ((state != null) && !state.timeoutExtended()) { 9770 state.extendTimeout(); 9771 9772 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9773 msg.arg1 = id; 9774 msg.obj = response; 9775 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9776 } 9777 } 9778 9779 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9780 int verificationCode, UserHandle user) { 9781 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9782 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9783 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9784 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9785 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9786 9787 mContext.sendBroadcastAsUser(intent, user, 9788 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9789 } 9790 9791 private ComponentName matchComponentForVerifier(String packageName, 9792 List<ResolveInfo> receivers) { 9793 ActivityInfo targetReceiver = null; 9794 9795 final int NR = receivers.size(); 9796 for (int i = 0; i < NR; i++) { 9797 final ResolveInfo info = receivers.get(i); 9798 if (info.activityInfo == null) { 9799 continue; 9800 } 9801 9802 if (packageName.equals(info.activityInfo.packageName)) { 9803 targetReceiver = info.activityInfo; 9804 break; 9805 } 9806 } 9807 9808 if (targetReceiver == null) { 9809 return null; 9810 } 9811 9812 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9813 } 9814 9815 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9816 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9817 if (pkgInfo.verifiers.length == 0) { 9818 return null; 9819 } 9820 9821 final int N = pkgInfo.verifiers.length; 9822 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9823 for (int i = 0; i < N; i++) { 9824 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9825 9826 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9827 receivers); 9828 if (comp == null) { 9829 continue; 9830 } 9831 9832 final int verifierUid = getUidForVerifier(verifierInfo); 9833 if (verifierUid == -1) { 9834 continue; 9835 } 9836 9837 if (DEBUG_VERIFY) { 9838 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9839 + " with the correct signature"); 9840 } 9841 sufficientVerifiers.add(comp); 9842 verificationState.addSufficientVerifier(verifierUid); 9843 } 9844 9845 return sufficientVerifiers; 9846 } 9847 9848 private int getUidForVerifier(VerifierInfo verifierInfo) { 9849 synchronized (mPackages) { 9850 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9851 if (pkg == null) { 9852 return -1; 9853 } else if (pkg.mSignatures.length != 1) { 9854 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9855 + " has more than one signature; ignoring"); 9856 return -1; 9857 } 9858 9859 /* 9860 * If the public key of the package's signature does not match 9861 * our expected public key, then this is a different package and 9862 * we should skip. 9863 */ 9864 9865 final byte[] expectedPublicKey; 9866 try { 9867 final Signature verifierSig = pkg.mSignatures[0]; 9868 final PublicKey publicKey = verifierSig.getPublicKey(); 9869 expectedPublicKey = publicKey.getEncoded(); 9870 } catch (CertificateException e) { 9871 return -1; 9872 } 9873 9874 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9875 9876 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9877 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9878 + " does not have the expected public key; ignoring"); 9879 return -1; 9880 } 9881 9882 return pkg.applicationInfo.uid; 9883 } 9884 } 9885 9886 @Override 9887 public void finishPackageInstall(int token) { 9888 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9889 9890 if (DEBUG_INSTALL) { 9891 Slog.v(TAG, "BM finishing package install for " + token); 9892 } 9893 9894 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9895 mHandler.sendMessage(msg); 9896 } 9897 9898 /** 9899 * Get the verification agent timeout. 9900 * 9901 * @return verification timeout in milliseconds 9902 */ 9903 private long getVerificationTimeout() { 9904 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9905 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9906 DEFAULT_VERIFICATION_TIMEOUT); 9907 } 9908 9909 /** 9910 * Get the default verification agent response code. 9911 * 9912 * @return default verification response code 9913 */ 9914 private int getDefaultVerificationResponse() { 9915 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9916 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9917 DEFAULT_VERIFICATION_RESPONSE); 9918 } 9919 9920 /** 9921 * Check whether or not package verification has been enabled. 9922 * 9923 * @return true if verification should be performed 9924 */ 9925 private boolean isVerificationEnabled(int userId, int installFlags) { 9926 if (!DEFAULT_VERIFY_ENABLE) { 9927 return false; 9928 } 9929 9930 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9931 9932 // Check if installing from ADB 9933 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9934 // Do not run verification in a test harness environment 9935 if (ActivityManager.isRunningInTestHarness()) { 9936 return false; 9937 } 9938 if (ensureVerifyAppsEnabled) { 9939 return true; 9940 } 9941 // Check if the developer does not want package verification for ADB installs 9942 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9943 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9944 return false; 9945 } 9946 } 9947 9948 if (ensureVerifyAppsEnabled) { 9949 return true; 9950 } 9951 9952 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9953 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9954 } 9955 9956 @Override 9957 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9958 throws RemoteException { 9959 mContext.enforceCallingOrSelfPermission( 9960 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9961 "Only intentfilter verification agents can verify applications"); 9962 9963 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9964 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9965 Binder.getCallingUid(), verificationCode, failedDomains); 9966 msg.arg1 = id; 9967 msg.obj = response; 9968 mHandler.sendMessage(msg); 9969 } 9970 9971 @Override 9972 public int getIntentVerificationStatus(String packageName, int userId) { 9973 synchronized (mPackages) { 9974 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9975 } 9976 } 9977 9978 @Override 9979 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 9980 mContext.enforceCallingOrSelfPermission( 9981 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9982 9983 boolean result = false; 9984 synchronized (mPackages) { 9985 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 9986 } 9987 if (result) { 9988 scheduleWritePackageRestrictionsLocked(userId); 9989 } 9990 return result; 9991 } 9992 9993 @Override 9994 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 9995 synchronized (mPackages) { 9996 return mSettings.getIntentFilterVerificationsLPr(packageName); 9997 } 9998 } 9999 10000 @Override 10001 public List<IntentFilter> getAllIntentFilters(String packageName) { 10002 if (TextUtils.isEmpty(packageName)) { 10003 return Collections.<IntentFilter>emptyList(); 10004 } 10005 synchronized (mPackages) { 10006 PackageParser.Package pkg = mPackages.get(packageName); 10007 if (pkg == null || pkg.activities == null) { 10008 return Collections.<IntentFilter>emptyList(); 10009 } 10010 final int count = pkg.activities.size(); 10011 ArrayList<IntentFilter> result = new ArrayList<>(); 10012 for (int n=0; n<count; n++) { 10013 PackageParser.Activity activity = pkg.activities.get(n); 10014 if (activity.intents != null || activity.intents.size() > 0) { 10015 result.addAll(activity.intents); 10016 } 10017 } 10018 return result; 10019 } 10020 } 10021 10022 @Override 10023 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10024 mContext.enforceCallingOrSelfPermission( 10025 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10026 10027 synchronized (mPackages) { 10028 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10029 if (packageName != null) { 10030 result |= updateIntentVerificationStatus(packageName, 10031 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10032 userId); 10033 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10034 packageName, userId); 10035 } 10036 return result; 10037 } 10038 } 10039 10040 @Override 10041 public String getDefaultBrowserPackageName(int userId) { 10042 synchronized (mPackages) { 10043 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10044 } 10045 } 10046 10047 /** 10048 * Get the "allow unknown sources" setting. 10049 * 10050 * @return the current "allow unknown sources" setting 10051 */ 10052 private int getUnknownSourcesSettings() { 10053 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10054 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10055 -1); 10056 } 10057 10058 @Override 10059 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10060 final int uid = Binder.getCallingUid(); 10061 // writer 10062 synchronized (mPackages) { 10063 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10064 if (targetPackageSetting == null) { 10065 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10066 } 10067 10068 PackageSetting installerPackageSetting; 10069 if (installerPackageName != null) { 10070 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10071 if (installerPackageSetting == null) { 10072 throw new IllegalArgumentException("Unknown installer package: " 10073 + installerPackageName); 10074 } 10075 } else { 10076 installerPackageSetting = null; 10077 } 10078 10079 Signature[] callerSignature; 10080 Object obj = mSettings.getUserIdLPr(uid); 10081 if (obj != null) { 10082 if (obj instanceof SharedUserSetting) { 10083 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10084 } else if (obj instanceof PackageSetting) { 10085 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10086 } else { 10087 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10088 } 10089 } else { 10090 throw new SecurityException("Unknown calling uid " + uid); 10091 } 10092 10093 // Verify: can't set installerPackageName to a package that is 10094 // not signed with the same cert as the caller. 10095 if (installerPackageSetting != null) { 10096 if (compareSignatures(callerSignature, 10097 installerPackageSetting.signatures.mSignatures) 10098 != PackageManager.SIGNATURE_MATCH) { 10099 throw new SecurityException( 10100 "Caller does not have same cert as new installer package " 10101 + installerPackageName); 10102 } 10103 } 10104 10105 // Verify: if target already has an installer package, it must 10106 // be signed with the same cert as the caller. 10107 if (targetPackageSetting.installerPackageName != null) { 10108 PackageSetting setting = mSettings.mPackages.get( 10109 targetPackageSetting.installerPackageName); 10110 // If the currently set package isn't valid, then it's always 10111 // okay to change it. 10112 if (setting != null) { 10113 if (compareSignatures(callerSignature, 10114 setting.signatures.mSignatures) 10115 != PackageManager.SIGNATURE_MATCH) { 10116 throw new SecurityException( 10117 "Caller does not have same cert as old installer package " 10118 + targetPackageSetting.installerPackageName); 10119 } 10120 } 10121 } 10122 10123 // Okay! 10124 targetPackageSetting.installerPackageName = installerPackageName; 10125 scheduleWriteSettingsLocked(); 10126 } 10127 } 10128 10129 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10130 // Queue up an async operation since the package installation may take a little while. 10131 mHandler.post(new Runnable() { 10132 public void run() { 10133 mHandler.removeCallbacks(this); 10134 // Result object to be returned 10135 PackageInstalledInfo res = new PackageInstalledInfo(); 10136 res.returnCode = currentStatus; 10137 res.uid = -1; 10138 res.pkg = null; 10139 res.removedInfo = new PackageRemovedInfo(); 10140 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10141 args.doPreInstall(res.returnCode); 10142 synchronized (mInstallLock) { 10143 installPackageLI(args, res); 10144 } 10145 args.doPostInstall(res.returnCode, res.uid); 10146 } 10147 10148 // A restore should be performed at this point if (a) the install 10149 // succeeded, (b) the operation is not an update, and (c) the new 10150 // package has not opted out of backup participation. 10151 final boolean update = res.removedInfo.removedPackage != null; 10152 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10153 boolean doRestore = !update 10154 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10155 10156 // Set up the post-install work request bookkeeping. This will be used 10157 // and cleaned up by the post-install event handling regardless of whether 10158 // there's a restore pass performed. Token values are >= 1. 10159 int token; 10160 if (mNextInstallToken < 0) mNextInstallToken = 1; 10161 token = mNextInstallToken++; 10162 10163 PostInstallData data = new PostInstallData(args, res); 10164 mRunningInstalls.put(token, data); 10165 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10166 10167 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10168 // Pass responsibility to the Backup Manager. It will perform a 10169 // restore if appropriate, then pass responsibility back to the 10170 // Package Manager to run the post-install observer callbacks 10171 // and broadcasts. 10172 IBackupManager bm = IBackupManager.Stub.asInterface( 10173 ServiceManager.getService(Context.BACKUP_SERVICE)); 10174 if (bm != null) { 10175 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10176 + " to BM for possible restore"); 10177 try { 10178 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10179 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10180 } else { 10181 doRestore = false; 10182 } 10183 } catch (RemoteException e) { 10184 // can't happen; the backup manager is local 10185 } catch (Exception e) { 10186 Slog.e(TAG, "Exception trying to enqueue restore", e); 10187 doRestore = false; 10188 } 10189 } else { 10190 Slog.e(TAG, "Backup Manager not found!"); 10191 doRestore = false; 10192 } 10193 } 10194 10195 if (!doRestore) { 10196 // No restore possible, or the Backup Manager was mysteriously not 10197 // available -- just fire the post-install work request directly. 10198 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10199 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10200 mHandler.sendMessage(msg); 10201 } 10202 } 10203 }); 10204 } 10205 10206 private abstract class HandlerParams { 10207 private static final int MAX_RETRIES = 4; 10208 10209 /** 10210 * Number of times startCopy() has been attempted and had a non-fatal 10211 * error. 10212 */ 10213 private int mRetries = 0; 10214 10215 /** User handle for the user requesting the information or installation. */ 10216 private final UserHandle mUser; 10217 10218 HandlerParams(UserHandle user) { 10219 mUser = user; 10220 } 10221 10222 UserHandle getUser() { 10223 return mUser; 10224 } 10225 10226 final boolean startCopy() { 10227 boolean res; 10228 try { 10229 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10230 10231 if (++mRetries > MAX_RETRIES) { 10232 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10233 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10234 handleServiceError(); 10235 return false; 10236 } else { 10237 handleStartCopy(); 10238 res = true; 10239 } 10240 } catch (RemoteException e) { 10241 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10242 mHandler.sendEmptyMessage(MCS_RECONNECT); 10243 res = false; 10244 } 10245 handleReturnCode(); 10246 return res; 10247 } 10248 10249 final void serviceError() { 10250 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10251 handleServiceError(); 10252 handleReturnCode(); 10253 } 10254 10255 abstract void handleStartCopy() throws RemoteException; 10256 abstract void handleServiceError(); 10257 abstract void handleReturnCode(); 10258 } 10259 10260 class MeasureParams extends HandlerParams { 10261 private final PackageStats mStats; 10262 private boolean mSuccess; 10263 10264 private final IPackageStatsObserver mObserver; 10265 10266 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10267 super(new UserHandle(stats.userHandle)); 10268 mObserver = observer; 10269 mStats = stats; 10270 } 10271 10272 @Override 10273 public String toString() { 10274 return "MeasureParams{" 10275 + Integer.toHexString(System.identityHashCode(this)) 10276 + " " + mStats.packageName + "}"; 10277 } 10278 10279 @Override 10280 void handleStartCopy() throws RemoteException { 10281 synchronized (mInstallLock) { 10282 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10283 } 10284 10285 if (mSuccess) { 10286 final boolean mounted; 10287 if (Environment.isExternalStorageEmulated()) { 10288 mounted = true; 10289 } else { 10290 final String status = Environment.getExternalStorageState(); 10291 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10292 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10293 } 10294 10295 if (mounted) { 10296 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10297 10298 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10299 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10300 10301 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10302 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10303 10304 // Always subtract cache size, since it's a subdirectory 10305 mStats.externalDataSize -= mStats.externalCacheSize; 10306 10307 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10308 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10309 10310 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10311 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10312 } 10313 } 10314 } 10315 10316 @Override 10317 void handleReturnCode() { 10318 if (mObserver != null) { 10319 try { 10320 mObserver.onGetStatsCompleted(mStats, mSuccess); 10321 } catch (RemoteException e) { 10322 Slog.i(TAG, "Observer no longer exists."); 10323 } 10324 } 10325 } 10326 10327 @Override 10328 void handleServiceError() { 10329 Slog.e(TAG, "Could not measure application " + mStats.packageName 10330 + " external storage"); 10331 } 10332 } 10333 10334 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10335 throws RemoteException { 10336 long result = 0; 10337 for (File path : paths) { 10338 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10339 } 10340 return result; 10341 } 10342 10343 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10344 for (File path : paths) { 10345 try { 10346 mcs.clearDirectory(path.getAbsolutePath()); 10347 } catch (RemoteException e) { 10348 } 10349 } 10350 } 10351 10352 static class OriginInfo { 10353 /** 10354 * Location where install is coming from, before it has been 10355 * copied/renamed into place. This could be a single monolithic APK 10356 * file, or a cluster directory. This location may be untrusted. 10357 */ 10358 final File file; 10359 final String cid; 10360 10361 /** 10362 * Flag indicating that {@link #file} or {@link #cid} has already been 10363 * staged, meaning downstream users don't need to defensively copy the 10364 * contents. 10365 */ 10366 final boolean staged; 10367 10368 /** 10369 * Flag indicating that {@link #file} or {@link #cid} is an already 10370 * installed app that is being moved. 10371 */ 10372 final boolean existing; 10373 10374 final String resolvedPath; 10375 final File resolvedFile; 10376 10377 static OriginInfo fromNothing() { 10378 return new OriginInfo(null, null, false, false); 10379 } 10380 10381 static OriginInfo fromUntrustedFile(File file) { 10382 return new OriginInfo(file, null, false, false); 10383 } 10384 10385 static OriginInfo fromExistingFile(File file) { 10386 return new OriginInfo(file, null, false, true); 10387 } 10388 10389 static OriginInfo fromStagedFile(File file) { 10390 return new OriginInfo(file, null, true, false); 10391 } 10392 10393 static OriginInfo fromStagedContainer(String cid) { 10394 return new OriginInfo(null, cid, true, false); 10395 } 10396 10397 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10398 this.file = file; 10399 this.cid = cid; 10400 this.staged = staged; 10401 this.existing = existing; 10402 10403 if (cid != null) { 10404 resolvedPath = PackageHelper.getSdDir(cid); 10405 resolvedFile = new File(resolvedPath); 10406 } else if (file != null) { 10407 resolvedPath = file.getAbsolutePath(); 10408 resolvedFile = file; 10409 } else { 10410 resolvedPath = null; 10411 resolvedFile = null; 10412 } 10413 } 10414 } 10415 10416 class MoveInfo { 10417 final int moveId; 10418 final String fromUuid; 10419 final String toUuid; 10420 final String packageName; 10421 final String dataAppName; 10422 final int appId; 10423 final String seinfo; 10424 10425 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10426 String dataAppName, int appId, String seinfo) { 10427 this.moveId = moveId; 10428 this.fromUuid = fromUuid; 10429 this.toUuid = toUuid; 10430 this.packageName = packageName; 10431 this.dataAppName = dataAppName; 10432 this.appId = appId; 10433 this.seinfo = seinfo; 10434 } 10435 } 10436 10437 class InstallParams extends HandlerParams { 10438 final OriginInfo origin; 10439 final MoveInfo move; 10440 final IPackageInstallObserver2 observer; 10441 int installFlags; 10442 final String installerPackageName; 10443 final String volumeUuid; 10444 final VerificationParams verificationParams; 10445 private InstallArgs mArgs; 10446 private int mRet; 10447 final String packageAbiOverride; 10448 final String[] grantedRuntimePermissions; 10449 10450 10451 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10452 int installFlags, String installerPackageName, String volumeUuid, 10453 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10454 String[] grantedPermissions) { 10455 super(user); 10456 this.origin = origin; 10457 this.move = move; 10458 this.observer = observer; 10459 this.installFlags = installFlags; 10460 this.installerPackageName = installerPackageName; 10461 this.volumeUuid = volumeUuid; 10462 this.verificationParams = verificationParams; 10463 this.packageAbiOverride = packageAbiOverride; 10464 this.grantedRuntimePermissions = grantedPermissions; 10465 } 10466 10467 @Override 10468 public String toString() { 10469 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10470 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10471 } 10472 10473 public ManifestDigest getManifestDigest() { 10474 if (verificationParams == null) { 10475 return null; 10476 } 10477 return verificationParams.getManifestDigest(); 10478 } 10479 10480 private int installLocationPolicy(PackageInfoLite pkgLite) { 10481 String packageName = pkgLite.packageName; 10482 int installLocation = pkgLite.installLocation; 10483 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10484 // reader 10485 synchronized (mPackages) { 10486 PackageParser.Package pkg = mPackages.get(packageName); 10487 if (pkg != null) { 10488 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10489 // Check for downgrading. 10490 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10491 try { 10492 checkDowngrade(pkg, pkgLite); 10493 } catch (PackageManagerException e) { 10494 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10495 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10496 } 10497 } 10498 // Check for updated system application. 10499 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10500 if (onSd) { 10501 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10502 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10503 } 10504 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10505 } else { 10506 if (onSd) { 10507 // Install flag overrides everything. 10508 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10509 } 10510 // If current upgrade specifies particular preference 10511 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10512 // Application explicitly specified internal. 10513 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10514 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10515 // App explictly prefers external. Let policy decide 10516 } else { 10517 // Prefer previous location 10518 if (isExternal(pkg)) { 10519 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10520 } 10521 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10522 } 10523 } 10524 } else { 10525 // Invalid install. Return error code 10526 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10527 } 10528 } 10529 } 10530 // All the special cases have been taken care of. 10531 // Return result based on recommended install location. 10532 if (onSd) { 10533 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10534 } 10535 return pkgLite.recommendedInstallLocation; 10536 } 10537 10538 /* 10539 * Invoke remote method to get package information and install 10540 * location values. Override install location based on default 10541 * policy if needed and then create install arguments based 10542 * on the install location. 10543 */ 10544 public void handleStartCopy() throws RemoteException { 10545 int ret = PackageManager.INSTALL_SUCCEEDED; 10546 10547 // If we're already staged, we've firmly committed to an install location 10548 if (origin.staged) { 10549 if (origin.file != null) { 10550 installFlags |= PackageManager.INSTALL_INTERNAL; 10551 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10552 } else if (origin.cid != null) { 10553 installFlags |= PackageManager.INSTALL_EXTERNAL; 10554 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10555 } else { 10556 throw new IllegalStateException("Invalid stage location"); 10557 } 10558 } 10559 10560 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10561 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10562 10563 PackageInfoLite pkgLite = null; 10564 10565 if (onInt && onSd) { 10566 // Check if both bits are set. 10567 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10568 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10569 } else { 10570 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10571 packageAbiOverride); 10572 10573 /* 10574 * If we have too little free space, try to free cache 10575 * before giving up. 10576 */ 10577 if (!origin.staged && pkgLite.recommendedInstallLocation 10578 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10579 // TODO: focus freeing disk space on the target device 10580 final StorageManager storage = StorageManager.from(mContext); 10581 final long lowThreshold = storage.getStorageLowBytes( 10582 Environment.getDataDirectory()); 10583 10584 final long sizeBytes = mContainerService.calculateInstalledSize( 10585 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10586 10587 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10588 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10589 installFlags, packageAbiOverride); 10590 } 10591 10592 /* 10593 * The cache free must have deleted the file we 10594 * downloaded to install. 10595 * 10596 * TODO: fix the "freeCache" call to not delete 10597 * the file we care about. 10598 */ 10599 if (pkgLite.recommendedInstallLocation 10600 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10601 pkgLite.recommendedInstallLocation 10602 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10603 } 10604 } 10605 } 10606 10607 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10608 int loc = pkgLite.recommendedInstallLocation; 10609 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10610 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10611 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10612 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10613 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10614 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10615 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10616 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10617 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10618 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10619 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10620 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10621 } else { 10622 // Override with defaults if needed. 10623 loc = installLocationPolicy(pkgLite); 10624 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10625 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10626 } else if (!onSd && !onInt) { 10627 // Override install location with flags 10628 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10629 // Set the flag to install on external media. 10630 installFlags |= PackageManager.INSTALL_EXTERNAL; 10631 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10632 } else { 10633 // Make sure the flag for installing on external 10634 // media is unset 10635 installFlags |= PackageManager.INSTALL_INTERNAL; 10636 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10637 } 10638 } 10639 } 10640 } 10641 10642 final InstallArgs args = createInstallArgs(this); 10643 mArgs = args; 10644 10645 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10646 /* 10647 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10648 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10649 */ 10650 int userIdentifier = getUser().getIdentifier(); 10651 if (userIdentifier == UserHandle.USER_ALL 10652 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10653 userIdentifier = UserHandle.USER_OWNER; 10654 } 10655 10656 /* 10657 * Determine if we have any installed package verifiers. If we 10658 * do, then we'll defer to them to verify the packages. 10659 */ 10660 final int requiredUid = mRequiredVerifierPackage == null ? -1 10661 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10662 if (!origin.existing && requiredUid != -1 10663 && isVerificationEnabled(userIdentifier, installFlags)) { 10664 final Intent verification = new Intent( 10665 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10666 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10667 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10668 PACKAGE_MIME_TYPE); 10669 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10670 10671 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10672 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10673 0 /* TODO: Which userId? */); 10674 10675 if (DEBUG_VERIFY) { 10676 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10677 + verification.toString() + " with " + pkgLite.verifiers.length 10678 + " optional verifiers"); 10679 } 10680 10681 final int verificationId = mPendingVerificationToken++; 10682 10683 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10684 10685 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10686 installerPackageName); 10687 10688 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10689 installFlags); 10690 10691 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10692 pkgLite.packageName); 10693 10694 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10695 pkgLite.versionCode); 10696 10697 if (verificationParams != null) { 10698 if (verificationParams.getVerificationURI() != null) { 10699 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10700 verificationParams.getVerificationURI()); 10701 } 10702 if (verificationParams.getOriginatingURI() != null) { 10703 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10704 verificationParams.getOriginatingURI()); 10705 } 10706 if (verificationParams.getReferrer() != null) { 10707 verification.putExtra(Intent.EXTRA_REFERRER, 10708 verificationParams.getReferrer()); 10709 } 10710 if (verificationParams.getOriginatingUid() >= 0) { 10711 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10712 verificationParams.getOriginatingUid()); 10713 } 10714 if (verificationParams.getInstallerUid() >= 0) { 10715 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10716 verificationParams.getInstallerUid()); 10717 } 10718 } 10719 10720 final PackageVerificationState verificationState = new PackageVerificationState( 10721 requiredUid, args); 10722 10723 mPendingVerification.append(verificationId, verificationState); 10724 10725 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10726 receivers, verificationState); 10727 10728 // Apps installed for "all" users use the device owner to verify the app 10729 UserHandle verifierUser = getUser(); 10730 if (verifierUser == UserHandle.ALL) { 10731 verifierUser = UserHandle.OWNER; 10732 } 10733 10734 /* 10735 * If any sufficient verifiers were listed in the package 10736 * manifest, attempt to ask them. 10737 */ 10738 if (sufficientVerifiers != null) { 10739 final int N = sufficientVerifiers.size(); 10740 if (N == 0) { 10741 Slog.i(TAG, "Additional verifiers required, but none installed."); 10742 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10743 } else { 10744 for (int i = 0; i < N; i++) { 10745 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10746 10747 final Intent sufficientIntent = new Intent(verification); 10748 sufficientIntent.setComponent(verifierComponent); 10749 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10750 } 10751 } 10752 } 10753 10754 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10755 mRequiredVerifierPackage, receivers); 10756 if (ret == PackageManager.INSTALL_SUCCEEDED 10757 && mRequiredVerifierPackage != null) { 10758 /* 10759 * Send the intent to the required verification agent, 10760 * but only start the verification timeout after the 10761 * target BroadcastReceivers have run. 10762 */ 10763 verification.setComponent(requiredVerifierComponent); 10764 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10765 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10766 new BroadcastReceiver() { 10767 @Override 10768 public void onReceive(Context context, Intent intent) { 10769 final Message msg = mHandler 10770 .obtainMessage(CHECK_PENDING_VERIFICATION); 10771 msg.arg1 = verificationId; 10772 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10773 } 10774 }, null, 0, null, null); 10775 10776 /* 10777 * We don't want the copy to proceed until verification 10778 * succeeds, so null out this field. 10779 */ 10780 mArgs = null; 10781 } 10782 } else { 10783 /* 10784 * No package verification is enabled, so immediately start 10785 * the remote call to initiate copy using temporary file. 10786 */ 10787 ret = args.copyApk(mContainerService, true); 10788 } 10789 } 10790 10791 mRet = ret; 10792 } 10793 10794 @Override 10795 void handleReturnCode() { 10796 // If mArgs is null, then MCS couldn't be reached. When it 10797 // reconnects, it will try again to install. At that point, this 10798 // will succeed. 10799 if (mArgs != null) { 10800 processPendingInstall(mArgs, mRet); 10801 } 10802 } 10803 10804 @Override 10805 void handleServiceError() { 10806 mArgs = createInstallArgs(this); 10807 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10808 } 10809 10810 public boolean isForwardLocked() { 10811 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10812 } 10813 } 10814 10815 /** 10816 * Used during creation of InstallArgs 10817 * 10818 * @param installFlags package installation flags 10819 * @return true if should be installed on external storage 10820 */ 10821 private static boolean installOnExternalAsec(int installFlags) { 10822 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10823 return false; 10824 } 10825 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10826 return true; 10827 } 10828 return false; 10829 } 10830 10831 /** 10832 * Used during creation of InstallArgs 10833 * 10834 * @param installFlags package installation flags 10835 * @return true if should be installed as forward locked 10836 */ 10837 private static boolean installForwardLocked(int installFlags) { 10838 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10839 } 10840 10841 private InstallArgs createInstallArgs(InstallParams params) { 10842 if (params.move != null) { 10843 return new MoveInstallArgs(params); 10844 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10845 return new AsecInstallArgs(params); 10846 } else { 10847 return new FileInstallArgs(params); 10848 } 10849 } 10850 10851 /** 10852 * Create args that describe an existing installed package. Typically used 10853 * when cleaning up old installs, or used as a move source. 10854 */ 10855 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10856 String resourcePath, String[] instructionSets) { 10857 final boolean isInAsec; 10858 if (installOnExternalAsec(installFlags)) { 10859 /* Apps on SD card are always in ASEC containers. */ 10860 isInAsec = true; 10861 } else if (installForwardLocked(installFlags) 10862 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10863 /* 10864 * Forward-locked apps are only in ASEC containers if they're the 10865 * new style 10866 */ 10867 isInAsec = true; 10868 } else { 10869 isInAsec = false; 10870 } 10871 10872 if (isInAsec) { 10873 return new AsecInstallArgs(codePath, instructionSets, 10874 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10875 } else { 10876 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10877 } 10878 } 10879 10880 static abstract class InstallArgs { 10881 /** @see InstallParams#origin */ 10882 final OriginInfo origin; 10883 /** @see InstallParams#move */ 10884 final MoveInfo move; 10885 10886 final IPackageInstallObserver2 observer; 10887 // Always refers to PackageManager flags only 10888 final int installFlags; 10889 final String installerPackageName; 10890 final String volumeUuid; 10891 final ManifestDigest manifestDigest; 10892 final UserHandle user; 10893 final String abiOverride; 10894 final String[] installGrantPermissions; 10895 10896 // The list of instruction sets supported by this app. This is currently 10897 // only used during the rmdex() phase to clean up resources. We can get rid of this 10898 // if we move dex files under the common app path. 10899 /* nullable */ String[] instructionSets; 10900 10901 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10902 int installFlags, String installerPackageName, String volumeUuid, 10903 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10904 String abiOverride, String[] installGrantPermissions) { 10905 this.origin = origin; 10906 this.move = move; 10907 this.installFlags = installFlags; 10908 this.observer = observer; 10909 this.installerPackageName = installerPackageName; 10910 this.volumeUuid = volumeUuid; 10911 this.manifestDigest = manifestDigest; 10912 this.user = user; 10913 this.instructionSets = instructionSets; 10914 this.abiOverride = abiOverride; 10915 this.installGrantPermissions = installGrantPermissions; 10916 } 10917 10918 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10919 abstract int doPreInstall(int status); 10920 10921 /** 10922 * Rename package into final resting place. All paths on the given 10923 * scanned package should be updated to reflect the rename. 10924 */ 10925 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10926 abstract int doPostInstall(int status, int uid); 10927 10928 /** @see PackageSettingBase#codePathString */ 10929 abstract String getCodePath(); 10930 /** @see PackageSettingBase#resourcePathString */ 10931 abstract String getResourcePath(); 10932 10933 // Need installer lock especially for dex file removal. 10934 abstract void cleanUpResourcesLI(); 10935 abstract boolean doPostDeleteLI(boolean delete); 10936 10937 /** 10938 * Called before the source arguments are copied. This is used mostly 10939 * for MoveParams when it needs to read the source file to put it in the 10940 * destination. 10941 */ 10942 int doPreCopy() { 10943 return PackageManager.INSTALL_SUCCEEDED; 10944 } 10945 10946 /** 10947 * Called after the source arguments are copied. This is used mostly for 10948 * MoveParams when it needs to read the source file to put it in the 10949 * destination. 10950 * 10951 * @return 10952 */ 10953 int doPostCopy(int uid) { 10954 return PackageManager.INSTALL_SUCCEEDED; 10955 } 10956 10957 protected boolean isFwdLocked() { 10958 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10959 } 10960 10961 protected boolean isExternalAsec() { 10962 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10963 } 10964 10965 UserHandle getUser() { 10966 return user; 10967 } 10968 } 10969 10970 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10971 if (!allCodePaths.isEmpty()) { 10972 if (instructionSets == null) { 10973 throw new IllegalStateException("instructionSet == null"); 10974 } 10975 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10976 for (String codePath : allCodePaths) { 10977 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 10978 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 10979 if (retCode < 0) { 10980 Slog.w(TAG, "Couldn't remove dex file for package: " 10981 + " at location " + codePath + ", retcode=" + retCode); 10982 // we don't consider this to be a failure of the core package deletion 10983 } 10984 } 10985 } 10986 } 10987 } 10988 10989 /** 10990 * Logic to handle installation of non-ASEC applications, including copying 10991 * and renaming logic. 10992 */ 10993 class FileInstallArgs extends InstallArgs { 10994 private File codeFile; 10995 private File resourceFile; 10996 10997 // Example topology: 10998 // /data/app/com.example/base.apk 10999 // /data/app/com.example/split_foo.apk 11000 // /data/app/com.example/lib/arm/libfoo.so 11001 // /data/app/com.example/lib/arm64/libfoo.so 11002 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11003 11004 /** New install */ 11005 FileInstallArgs(InstallParams params) { 11006 super(params.origin, params.move, params.observer, params.installFlags, 11007 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11008 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11009 params.grantedRuntimePermissions); 11010 if (isFwdLocked()) { 11011 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11012 } 11013 } 11014 11015 /** Existing install */ 11016 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11017 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11018 null, null); 11019 this.codeFile = (codePath != null) ? new File(codePath) : null; 11020 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11021 } 11022 11023 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11024 if (origin.staged) { 11025 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11026 codeFile = origin.file; 11027 resourceFile = origin.file; 11028 return PackageManager.INSTALL_SUCCEEDED; 11029 } 11030 11031 try { 11032 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11033 codeFile = tempDir; 11034 resourceFile = tempDir; 11035 } catch (IOException e) { 11036 Slog.w(TAG, "Failed to create copy file: " + e); 11037 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11038 } 11039 11040 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11041 @Override 11042 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11043 if (!FileUtils.isValidExtFilename(name)) { 11044 throw new IllegalArgumentException("Invalid filename: " + name); 11045 } 11046 try { 11047 final File file = new File(codeFile, name); 11048 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11049 O_RDWR | O_CREAT, 0644); 11050 Os.chmod(file.getAbsolutePath(), 0644); 11051 return new ParcelFileDescriptor(fd); 11052 } catch (ErrnoException e) { 11053 throw new RemoteException("Failed to open: " + e.getMessage()); 11054 } 11055 } 11056 }; 11057 11058 int ret = PackageManager.INSTALL_SUCCEEDED; 11059 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11060 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11061 Slog.e(TAG, "Failed to copy package"); 11062 return ret; 11063 } 11064 11065 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11066 NativeLibraryHelper.Handle handle = null; 11067 try { 11068 handle = NativeLibraryHelper.Handle.create(codeFile); 11069 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11070 abiOverride); 11071 } catch (IOException e) { 11072 Slog.e(TAG, "Copying native libraries failed", e); 11073 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11074 } finally { 11075 IoUtils.closeQuietly(handle); 11076 } 11077 11078 return ret; 11079 } 11080 11081 int doPreInstall(int status) { 11082 if (status != PackageManager.INSTALL_SUCCEEDED) { 11083 cleanUp(); 11084 } 11085 return status; 11086 } 11087 11088 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11089 if (status != PackageManager.INSTALL_SUCCEEDED) { 11090 cleanUp(); 11091 return false; 11092 } 11093 11094 final File targetDir = codeFile.getParentFile(); 11095 final File beforeCodeFile = codeFile; 11096 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11097 11098 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11099 try { 11100 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11101 } catch (ErrnoException e) { 11102 Slog.w(TAG, "Failed to rename", e); 11103 return false; 11104 } 11105 11106 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11107 Slog.w(TAG, "Failed to restorecon"); 11108 return false; 11109 } 11110 11111 // Reflect the rename internally 11112 codeFile = afterCodeFile; 11113 resourceFile = afterCodeFile; 11114 11115 // Reflect the rename in scanned details 11116 pkg.codePath = afterCodeFile.getAbsolutePath(); 11117 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11118 pkg.baseCodePath); 11119 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11120 pkg.splitCodePaths); 11121 11122 // Reflect the rename in app info 11123 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11124 pkg.applicationInfo.setCodePath(pkg.codePath); 11125 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11126 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11127 pkg.applicationInfo.setResourcePath(pkg.codePath); 11128 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11129 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11130 11131 return true; 11132 } 11133 11134 int doPostInstall(int status, int uid) { 11135 if (status != PackageManager.INSTALL_SUCCEEDED) { 11136 cleanUp(); 11137 } 11138 return status; 11139 } 11140 11141 @Override 11142 String getCodePath() { 11143 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11144 } 11145 11146 @Override 11147 String getResourcePath() { 11148 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11149 } 11150 11151 private boolean cleanUp() { 11152 if (codeFile == null || !codeFile.exists()) { 11153 return false; 11154 } 11155 11156 if (codeFile.isDirectory()) { 11157 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11158 } else { 11159 codeFile.delete(); 11160 } 11161 11162 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11163 resourceFile.delete(); 11164 } 11165 11166 return true; 11167 } 11168 11169 void cleanUpResourcesLI() { 11170 // Try enumerating all code paths before deleting 11171 List<String> allCodePaths = Collections.EMPTY_LIST; 11172 if (codeFile != null && codeFile.exists()) { 11173 try { 11174 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11175 allCodePaths = pkg.getAllCodePaths(); 11176 } catch (PackageParserException e) { 11177 // Ignored; we tried our best 11178 } 11179 } 11180 11181 cleanUp(); 11182 removeDexFiles(allCodePaths, instructionSets); 11183 } 11184 11185 boolean doPostDeleteLI(boolean delete) { 11186 // XXX err, shouldn't we respect the delete flag? 11187 cleanUpResourcesLI(); 11188 return true; 11189 } 11190 } 11191 11192 private boolean isAsecExternal(String cid) { 11193 final String asecPath = PackageHelper.getSdFilesystem(cid); 11194 return !asecPath.startsWith(mAsecInternalPath); 11195 } 11196 11197 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11198 PackageManagerException { 11199 if (copyRet < 0) { 11200 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11201 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11202 throw new PackageManagerException(copyRet, message); 11203 } 11204 } 11205 } 11206 11207 /** 11208 * Extract the MountService "container ID" from the full code path of an 11209 * .apk. 11210 */ 11211 static String cidFromCodePath(String fullCodePath) { 11212 int eidx = fullCodePath.lastIndexOf("/"); 11213 String subStr1 = fullCodePath.substring(0, eidx); 11214 int sidx = subStr1.lastIndexOf("/"); 11215 return subStr1.substring(sidx+1, eidx); 11216 } 11217 11218 /** 11219 * Logic to handle installation of ASEC applications, including copying and 11220 * renaming logic. 11221 */ 11222 class AsecInstallArgs extends InstallArgs { 11223 static final String RES_FILE_NAME = "pkg.apk"; 11224 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11225 11226 String cid; 11227 String packagePath; 11228 String resourcePath; 11229 11230 /** New install */ 11231 AsecInstallArgs(InstallParams params) { 11232 super(params.origin, params.move, params.observer, params.installFlags, 11233 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11234 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11235 params.grantedRuntimePermissions); 11236 } 11237 11238 /** Existing install */ 11239 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11240 boolean isExternal, boolean isForwardLocked) { 11241 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11242 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11243 instructionSets, null, null); 11244 // Hackily pretend we're still looking at a full code path 11245 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11246 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11247 } 11248 11249 // Extract cid from fullCodePath 11250 int eidx = fullCodePath.lastIndexOf("/"); 11251 String subStr1 = fullCodePath.substring(0, eidx); 11252 int sidx = subStr1.lastIndexOf("/"); 11253 cid = subStr1.substring(sidx+1, eidx); 11254 setMountPath(subStr1); 11255 } 11256 11257 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11258 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11259 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11260 instructionSets, null, null); 11261 this.cid = cid; 11262 setMountPath(PackageHelper.getSdDir(cid)); 11263 } 11264 11265 void createCopyFile() { 11266 cid = mInstallerService.allocateExternalStageCidLegacy(); 11267 } 11268 11269 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11270 if (origin.staged) { 11271 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11272 cid = origin.cid; 11273 setMountPath(PackageHelper.getSdDir(cid)); 11274 return PackageManager.INSTALL_SUCCEEDED; 11275 } 11276 11277 if (temp) { 11278 createCopyFile(); 11279 } else { 11280 /* 11281 * Pre-emptively destroy the container since it's destroyed if 11282 * copying fails due to it existing anyway. 11283 */ 11284 PackageHelper.destroySdDir(cid); 11285 } 11286 11287 final String newMountPath = imcs.copyPackageToContainer( 11288 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11289 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11290 11291 if (newMountPath != null) { 11292 setMountPath(newMountPath); 11293 return PackageManager.INSTALL_SUCCEEDED; 11294 } else { 11295 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11296 } 11297 } 11298 11299 @Override 11300 String getCodePath() { 11301 return packagePath; 11302 } 11303 11304 @Override 11305 String getResourcePath() { 11306 return resourcePath; 11307 } 11308 11309 int doPreInstall(int status) { 11310 if (status != PackageManager.INSTALL_SUCCEEDED) { 11311 // Destroy container 11312 PackageHelper.destroySdDir(cid); 11313 } else { 11314 boolean mounted = PackageHelper.isContainerMounted(cid); 11315 if (!mounted) { 11316 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11317 Process.SYSTEM_UID); 11318 if (newMountPath != null) { 11319 setMountPath(newMountPath); 11320 } else { 11321 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11322 } 11323 } 11324 } 11325 return status; 11326 } 11327 11328 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11329 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11330 String newMountPath = null; 11331 if (PackageHelper.isContainerMounted(cid)) { 11332 // Unmount the container 11333 if (!PackageHelper.unMountSdDir(cid)) { 11334 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11335 return false; 11336 } 11337 } 11338 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11339 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11340 " which might be stale. Will try to clean up."); 11341 // Clean up the stale container and proceed to recreate. 11342 if (!PackageHelper.destroySdDir(newCacheId)) { 11343 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11344 return false; 11345 } 11346 // Successfully cleaned up stale container. Try to rename again. 11347 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11348 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11349 + " inspite of cleaning it up."); 11350 return false; 11351 } 11352 } 11353 if (!PackageHelper.isContainerMounted(newCacheId)) { 11354 Slog.w(TAG, "Mounting container " + newCacheId); 11355 newMountPath = PackageHelper.mountSdDir(newCacheId, 11356 getEncryptKey(), Process.SYSTEM_UID); 11357 } else { 11358 newMountPath = PackageHelper.getSdDir(newCacheId); 11359 } 11360 if (newMountPath == null) { 11361 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11362 return false; 11363 } 11364 Log.i(TAG, "Succesfully renamed " + cid + 11365 " to " + newCacheId + 11366 " at new path: " + newMountPath); 11367 cid = newCacheId; 11368 11369 final File beforeCodeFile = new File(packagePath); 11370 setMountPath(newMountPath); 11371 final File afterCodeFile = new File(packagePath); 11372 11373 // Reflect the rename in scanned details 11374 pkg.codePath = afterCodeFile.getAbsolutePath(); 11375 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11376 pkg.baseCodePath); 11377 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11378 pkg.splitCodePaths); 11379 11380 // Reflect the rename in app info 11381 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11382 pkg.applicationInfo.setCodePath(pkg.codePath); 11383 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11384 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11385 pkg.applicationInfo.setResourcePath(pkg.codePath); 11386 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11387 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11388 11389 return true; 11390 } 11391 11392 private void setMountPath(String mountPath) { 11393 final File mountFile = new File(mountPath); 11394 11395 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11396 if (monolithicFile.exists()) { 11397 packagePath = monolithicFile.getAbsolutePath(); 11398 if (isFwdLocked()) { 11399 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11400 } else { 11401 resourcePath = packagePath; 11402 } 11403 } else { 11404 packagePath = mountFile.getAbsolutePath(); 11405 resourcePath = packagePath; 11406 } 11407 } 11408 11409 int doPostInstall(int status, int uid) { 11410 if (status != PackageManager.INSTALL_SUCCEEDED) { 11411 cleanUp(); 11412 } else { 11413 final int groupOwner; 11414 final String protectedFile; 11415 if (isFwdLocked()) { 11416 groupOwner = UserHandle.getSharedAppGid(uid); 11417 protectedFile = RES_FILE_NAME; 11418 } else { 11419 groupOwner = -1; 11420 protectedFile = null; 11421 } 11422 11423 if (uid < Process.FIRST_APPLICATION_UID 11424 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11425 Slog.e(TAG, "Failed to finalize " + cid); 11426 PackageHelper.destroySdDir(cid); 11427 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11428 } 11429 11430 boolean mounted = PackageHelper.isContainerMounted(cid); 11431 if (!mounted) { 11432 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11433 } 11434 } 11435 return status; 11436 } 11437 11438 private void cleanUp() { 11439 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11440 11441 // Destroy secure container 11442 PackageHelper.destroySdDir(cid); 11443 } 11444 11445 private List<String> getAllCodePaths() { 11446 final File codeFile = new File(getCodePath()); 11447 if (codeFile != null && codeFile.exists()) { 11448 try { 11449 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11450 return pkg.getAllCodePaths(); 11451 } catch (PackageParserException e) { 11452 // Ignored; we tried our best 11453 } 11454 } 11455 return Collections.EMPTY_LIST; 11456 } 11457 11458 void cleanUpResourcesLI() { 11459 // Enumerate all code paths before deleting 11460 cleanUpResourcesLI(getAllCodePaths()); 11461 } 11462 11463 private void cleanUpResourcesLI(List<String> allCodePaths) { 11464 cleanUp(); 11465 removeDexFiles(allCodePaths, instructionSets); 11466 } 11467 11468 String getPackageName() { 11469 return getAsecPackageName(cid); 11470 } 11471 11472 boolean doPostDeleteLI(boolean delete) { 11473 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11474 final List<String> allCodePaths = getAllCodePaths(); 11475 boolean mounted = PackageHelper.isContainerMounted(cid); 11476 if (mounted) { 11477 // Unmount first 11478 if (PackageHelper.unMountSdDir(cid)) { 11479 mounted = false; 11480 } 11481 } 11482 if (!mounted && delete) { 11483 cleanUpResourcesLI(allCodePaths); 11484 } 11485 return !mounted; 11486 } 11487 11488 @Override 11489 int doPreCopy() { 11490 if (isFwdLocked()) { 11491 if (!PackageHelper.fixSdPermissions(cid, 11492 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11493 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11494 } 11495 } 11496 11497 return PackageManager.INSTALL_SUCCEEDED; 11498 } 11499 11500 @Override 11501 int doPostCopy(int uid) { 11502 if (isFwdLocked()) { 11503 if (uid < Process.FIRST_APPLICATION_UID 11504 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11505 RES_FILE_NAME)) { 11506 Slog.e(TAG, "Failed to finalize " + cid); 11507 PackageHelper.destroySdDir(cid); 11508 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11509 } 11510 } 11511 11512 return PackageManager.INSTALL_SUCCEEDED; 11513 } 11514 } 11515 11516 /** 11517 * Logic to handle movement of existing installed applications. 11518 */ 11519 class MoveInstallArgs extends InstallArgs { 11520 private File codeFile; 11521 private File resourceFile; 11522 11523 /** New install */ 11524 MoveInstallArgs(InstallParams params) { 11525 super(params.origin, params.move, params.observer, params.installFlags, 11526 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11527 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11528 params.grantedRuntimePermissions); 11529 } 11530 11531 int copyApk(IMediaContainerService imcs, boolean temp) { 11532 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11533 + move.fromUuid + " to " + move.toUuid); 11534 synchronized (mInstaller) { 11535 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11536 move.dataAppName, move.appId, move.seinfo) != 0) { 11537 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11538 } 11539 } 11540 11541 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11542 resourceFile = codeFile; 11543 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11544 11545 return PackageManager.INSTALL_SUCCEEDED; 11546 } 11547 11548 int doPreInstall(int status) { 11549 if (status != PackageManager.INSTALL_SUCCEEDED) { 11550 cleanUp(move.toUuid); 11551 } 11552 return status; 11553 } 11554 11555 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11556 if (status != PackageManager.INSTALL_SUCCEEDED) { 11557 cleanUp(move.toUuid); 11558 return false; 11559 } 11560 11561 // Reflect the move in app info 11562 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11563 pkg.applicationInfo.setCodePath(pkg.codePath); 11564 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11565 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11566 pkg.applicationInfo.setResourcePath(pkg.codePath); 11567 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11568 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11569 11570 return true; 11571 } 11572 11573 int doPostInstall(int status, int uid) { 11574 if (status == PackageManager.INSTALL_SUCCEEDED) { 11575 cleanUp(move.fromUuid); 11576 } else { 11577 cleanUp(move.toUuid); 11578 } 11579 return status; 11580 } 11581 11582 @Override 11583 String getCodePath() { 11584 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11585 } 11586 11587 @Override 11588 String getResourcePath() { 11589 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11590 } 11591 11592 private boolean cleanUp(String volumeUuid) { 11593 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11594 move.dataAppName); 11595 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11596 synchronized (mInstallLock) { 11597 // Clean up both app data and code 11598 removeDataDirsLI(volumeUuid, move.packageName); 11599 if (codeFile.isDirectory()) { 11600 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11601 } else { 11602 codeFile.delete(); 11603 } 11604 } 11605 return true; 11606 } 11607 11608 void cleanUpResourcesLI() { 11609 throw new UnsupportedOperationException(); 11610 } 11611 11612 boolean doPostDeleteLI(boolean delete) { 11613 throw new UnsupportedOperationException(); 11614 } 11615 } 11616 11617 static String getAsecPackageName(String packageCid) { 11618 int idx = packageCid.lastIndexOf("-"); 11619 if (idx == -1) { 11620 return packageCid; 11621 } 11622 return packageCid.substring(0, idx); 11623 } 11624 11625 // Utility method used to create code paths based on package name and available index. 11626 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11627 String idxStr = ""; 11628 int idx = 1; 11629 // Fall back to default value of idx=1 if prefix is not 11630 // part of oldCodePath 11631 if (oldCodePath != null) { 11632 String subStr = oldCodePath; 11633 // Drop the suffix right away 11634 if (suffix != null && subStr.endsWith(suffix)) { 11635 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11636 } 11637 // If oldCodePath already contains prefix find out the 11638 // ending index to either increment or decrement. 11639 int sidx = subStr.lastIndexOf(prefix); 11640 if (sidx != -1) { 11641 subStr = subStr.substring(sidx + prefix.length()); 11642 if (subStr != null) { 11643 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11644 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11645 } 11646 try { 11647 idx = Integer.parseInt(subStr); 11648 if (idx <= 1) { 11649 idx++; 11650 } else { 11651 idx--; 11652 } 11653 } catch(NumberFormatException e) { 11654 } 11655 } 11656 } 11657 } 11658 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11659 return prefix + idxStr; 11660 } 11661 11662 private File getNextCodePath(File targetDir, String packageName) { 11663 int suffix = 1; 11664 File result; 11665 do { 11666 result = new File(targetDir, packageName + "-" + suffix); 11667 suffix++; 11668 } while (result.exists()); 11669 return result; 11670 } 11671 11672 // Utility method that returns the relative package path with respect 11673 // to the installation directory. Like say for /data/data/com.test-1.apk 11674 // string com.test-1 is returned. 11675 static String deriveCodePathName(String codePath) { 11676 if (codePath == null) { 11677 return null; 11678 } 11679 final File codeFile = new File(codePath); 11680 final String name = codeFile.getName(); 11681 if (codeFile.isDirectory()) { 11682 return name; 11683 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11684 final int lastDot = name.lastIndexOf('.'); 11685 return name.substring(0, lastDot); 11686 } else { 11687 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11688 return null; 11689 } 11690 } 11691 11692 class PackageInstalledInfo { 11693 String name; 11694 int uid; 11695 // The set of users that originally had this package installed. 11696 int[] origUsers; 11697 // The set of users that now have this package installed. 11698 int[] newUsers; 11699 PackageParser.Package pkg; 11700 int returnCode; 11701 String returnMsg; 11702 PackageRemovedInfo removedInfo; 11703 11704 public void setError(int code, String msg) { 11705 returnCode = code; 11706 returnMsg = msg; 11707 Slog.w(TAG, msg); 11708 } 11709 11710 public void setError(String msg, PackageParserException e) { 11711 returnCode = e.error; 11712 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11713 Slog.w(TAG, msg, e); 11714 } 11715 11716 public void setError(String msg, PackageManagerException e) { 11717 returnCode = e.error; 11718 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11719 Slog.w(TAG, msg, e); 11720 } 11721 11722 // In some error cases we want to convey more info back to the observer 11723 String origPackage; 11724 String origPermission; 11725 } 11726 11727 /* 11728 * Install a non-existing package. 11729 */ 11730 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11731 UserHandle user, String installerPackageName, String volumeUuid, 11732 PackageInstalledInfo res) { 11733 // Remember this for later, in case we need to rollback this install 11734 String pkgName = pkg.packageName; 11735 11736 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11737 final boolean dataDirExists = Environment 11738 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11739 synchronized(mPackages) { 11740 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11741 // A package with the same name is already installed, though 11742 // it has been renamed to an older name. The package we 11743 // are trying to install should be installed as an update to 11744 // the existing one, but that has not been requested, so bail. 11745 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11746 + " without first uninstalling package running as " 11747 + mSettings.mRenamedPackages.get(pkgName)); 11748 return; 11749 } 11750 if (mPackages.containsKey(pkgName)) { 11751 // Don't allow installation over an existing package with the same name. 11752 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11753 + " without first uninstalling."); 11754 return; 11755 } 11756 } 11757 11758 try { 11759 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11760 System.currentTimeMillis(), user); 11761 11762 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11763 // delete the partially installed application. the data directory will have to be 11764 // restored if it was already existing 11765 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11766 // remove package from internal structures. Note that we want deletePackageX to 11767 // delete the package data and cache directories that it created in 11768 // scanPackageLocked, unless those directories existed before we even tried to 11769 // install. 11770 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11771 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11772 res.removedInfo, true); 11773 } 11774 11775 } catch (PackageManagerException e) { 11776 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11777 } 11778 } 11779 11780 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11781 // Can't rotate keys during boot or if sharedUser. 11782 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11783 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11784 return false; 11785 } 11786 // app is using upgradeKeySets; make sure all are valid 11787 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11788 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11789 for (int i = 0; i < upgradeKeySets.length; i++) { 11790 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11791 Slog.wtf(TAG, "Package " 11792 + (oldPs.name != null ? oldPs.name : "<null>") 11793 + " contains upgrade-key-set reference to unknown key-set: " 11794 + upgradeKeySets[i] 11795 + " reverting to signatures check."); 11796 return false; 11797 } 11798 } 11799 return true; 11800 } 11801 11802 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11803 // Upgrade keysets are being used. Determine if new package has a superset of the 11804 // required keys. 11805 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11806 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11807 for (int i = 0; i < upgradeKeySets.length; i++) { 11808 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11809 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11810 return true; 11811 } 11812 } 11813 return false; 11814 } 11815 11816 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11817 UserHandle user, String installerPackageName, String volumeUuid, 11818 PackageInstalledInfo res) { 11819 final PackageParser.Package oldPackage; 11820 final String pkgName = pkg.packageName; 11821 final int[] allUsers; 11822 final boolean[] perUserInstalled; 11823 11824 // First find the old package info and check signatures 11825 synchronized(mPackages) { 11826 oldPackage = mPackages.get(pkgName); 11827 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11828 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11829 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11830 if(!checkUpgradeKeySetLP(ps, pkg)) { 11831 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11832 "New package not signed by keys specified by upgrade-keysets: " 11833 + pkgName); 11834 return; 11835 } 11836 } else { 11837 // default to original signature matching 11838 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11839 != PackageManager.SIGNATURE_MATCH) { 11840 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11841 "New package has a different signature: " + pkgName); 11842 return; 11843 } 11844 } 11845 11846 // In case of rollback, remember per-user/profile install state 11847 allUsers = sUserManager.getUserIds(); 11848 perUserInstalled = new boolean[allUsers.length]; 11849 for (int i = 0; i < allUsers.length; i++) { 11850 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11851 } 11852 } 11853 11854 boolean sysPkg = (isSystemApp(oldPackage)); 11855 if (sysPkg) { 11856 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11857 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11858 } else { 11859 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11860 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11861 } 11862 } 11863 11864 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11865 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11866 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11867 String volumeUuid, PackageInstalledInfo res) { 11868 String pkgName = deletedPackage.packageName; 11869 boolean deletedPkg = true; 11870 boolean updatedSettings = false; 11871 11872 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11873 + deletedPackage); 11874 long origUpdateTime; 11875 if (pkg.mExtras != null) { 11876 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11877 } else { 11878 origUpdateTime = 0; 11879 } 11880 11881 // First delete the existing package while retaining the data directory 11882 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11883 res.removedInfo, true)) { 11884 // If the existing package wasn't successfully deleted 11885 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11886 deletedPkg = false; 11887 } else { 11888 // Successfully deleted the old package; proceed with replace. 11889 11890 // If deleted package lived in a container, give users a chance to 11891 // relinquish resources before killing. 11892 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11893 if (DEBUG_INSTALL) { 11894 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11895 } 11896 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11897 final ArrayList<String> pkgList = new ArrayList<String>(1); 11898 pkgList.add(deletedPackage.applicationInfo.packageName); 11899 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11900 } 11901 11902 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11903 try { 11904 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11905 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11906 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11907 perUserInstalled, res, user); 11908 updatedSettings = true; 11909 } catch (PackageManagerException e) { 11910 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11911 } 11912 } 11913 11914 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11915 // remove package from internal structures. Note that we want deletePackageX to 11916 // delete the package data and cache directories that it created in 11917 // scanPackageLocked, unless those directories existed before we even tried to 11918 // install. 11919 if(updatedSettings) { 11920 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11921 deletePackageLI( 11922 pkgName, null, true, allUsers, perUserInstalled, 11923 PackageManager.DELETE_KEEP_DATA, 11924 res.removedInfo, true); 11925 } 11926 // Since we failed to install the new package we need to restore the old 11927 // package that we deleted. 11928 if (deletedPkg) { 11929 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11930 File restoreFile = new File(deletedPackage.codePath); 11931 // Parse old package 11932 boolean oldExternal = isExternal(deletedPackage); 11933 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11934 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11935 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11936 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11937 try { 11938 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11939 } catch (PackageManagerException e) { 11940 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11941 + e.getMessage()); 11942 return; 11943 } 11944 // Restore of old package succeeded. Update permissions. 11945 // writer 11946 synchronized (mPackages) { 11947 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11948 UPDATE_PERMISSIONS_ALL); 11949 // can downgrade to reader 11950 mSettings.writeLPr(); 11951 } 11952 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11953 } 11954 } 11955 } 11956 11957 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11958 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11959 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11960 String volumeUuid, PackageInstalledInfo res) { 11961 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11962 + ", old=" + deletedPackage); 11963 boolean disabledSystem = false; 11964 boolean updatedSettings = false; 11965 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11966 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11967 != 0) { 11968 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11969 } 11970 String packageName = deletedPackage.packageName; 11971 if (packageName == null) { 11972 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11973 "Attempt to delete null packageName."); 11974 return; 11975 } 11976 PackageParser.Package oldPkg; 11977 PackageSetting oldPkgSetting; 11978 // reader 11979 synchronized (mPackages) { 11980 oldPkg = mPackages.get(packageName); 11981 oldPkgSetting = mSettings.mPackages.get(packageName); 11982 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 11983 (oldPkgSetting == null)) { 11984 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11985 "Couldn't find package:" + packageName + " information"); 11986 return; 11987 } 11988 } 11989 11990 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 11991 11992 res.removedInfo.uid = oldPkg.applicationInfo.uid; 11993 res.removedInfo.removedPackage = packageName; 11994 // Remove existing system package 11995 removePackageLI(oldPkgSetting, true); 11996 // writer 11997 synchronized (mPackages) { 11998 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 11999 if (!disabledSystem && deletedPackage != null) { 12000 // We didn't need to disable the .apk as a current system package, 12001 // which means we are replacing another update that is already 12002 // installed. We need to make sure to delete the older one's .apk. 12003 res.removedInfo.args = createInstallArgsForExisting(0, 12004 deletedPackage.applicationInfo.getCodePath(), 12005 deletedPackage.applicationInfo.getResourcePath(), 12006 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12007 } else { 12008 res.removedInfo.args = null; 12009 } 12010 } 12011 12012 // Successfully disabled the old package. Now proceed with re-installation 12013 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12014 12015 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12016 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12017 12018 PackageParser.Package newPackage = null; 12019 try { 12020 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 12021 if (newPackage.mExtras != null) { 12022 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12023 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12024 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12025 12026 // is the update attempting to change shared user? that isn't going to work... 12027 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12028 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12029 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12030 + " to " + newPkgSetting.sharedUser); 12031 updatedSettings = true; 12032 } 12033 } 12034 12035 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12036 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12037 perUserInstalled, res, user); 12038 updatedSettings = true; 12039 } 12040 12041 } catch (PackageManagerException e) { 12042 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12043 } 12044 12045 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12046 // Re installation failed. Restore old information 12047 // Remove new pkg information 12048 if (newPackage != null) { 12049 removeInstalledPackageLI(newPackage, true); 12050 } 12051 // Add back the old system package 12052 try { 12053 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12054 } catch (PackageManagerException e) { 12055 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12056 } 12057 // Restore the old system information in Settings 12058 synchronized (mPackages) { 12059 if (disabledSystem) { 12060 mSettings.enableSystemPackageLPw(packageName); 12061 } 12062 if (updatedSettings) { 12063 mSettings.setInstallerPackageName(packageName, 12064 oldPkgSetting.installerPackageName); 12065 } 12066 mSettings.writeLPr(); 12067 } 12068 } 12069 } 12070 12071 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12072 // Collect all used permissions in the UID 12073 ArraySet<String> usedPermissions = new ArraySet<>(); 12074 final int packageCount = su.packages.size(); 12075 for (int i = 0; i < packageCount; i++) { 12076 PackageSetting ps = su.packages.valueAt(i); 12077 if (ps.pkg == null) { 12078 continue; 12079 } 12080 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12081 for (int j = 0; j < requestedPermCount; j++) { 12082 String permission = ps.pkg.requestedPermissions.get(j); 12083 BasePermission bp = mSettings.mPermissions.get(permission); 12084 if (bp != null) { 12085 usedPermissions.add(permission); 12086 } 12087 } 12088 } 12089 12090 PermissionsState permissionsState = su.getPermissionsState(); 12091 // Prune install permissions 12092 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12093 final int installPermCount = installPermStates.size(); 12094 for (int i = installPermCount - 1; i >= 0; i--) { 12095 PermissionState permissionState = installPermStates.get(i); 12096 if (!usedPermissions.contains(permissionState.getName())) { 12097 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12098 if (bp != null) { 12099 permissionsState.revokeInstallPermission(bp); 12100 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12101 PackageManager.MASK_PERMISSION_FLAGS, 0); 12102 } 12103 } 12104 } 12105 12106 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12107 12108 // Prune runtime permissions 12109 for (int userId : allUserIds) { 12110 List<PermissionState> runtimePermStates = permissionsState 12111 .getRuntimePermissionStates(userId); 12112 final int runtimePermCount = runtimePermStates.size(); 12113 for (int i = runtimePermCount - 1; i >= 0; i--) { 12114 PermissionState permissionState = runtimePermStates.get(i); 12115 if (!usedPermissions.contains(permissionState.getName())) { 12116 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12117 if (bp != null) { 12118 permissionsState.revokeRuntimePermission(bp, userId); 12119 permissionsState.updatePermissionFlags(bp, userId, 12120 PackageManager.MASK_PERMISSION_FLAGS, 0); 12121 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12122 runtimePermissionChangedUserIds, userId); 12123 } 12124 } 12125 } 12126 } 12127 12128 return runtimePermissionChangedUserIds; 12129 } 12130 12131 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12132 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12133 UserHandle user) { 12134 String pkgName = newPackage.packageName; 12135 synchronized (mPackages) { 12136 //write settings. the installStatus will be incomplete at this stage. 12137 //note that the new package setting would have already been 12138 //added to mPackages. It hasn't been persisted yet. 12139 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12140 mSettings.writeLPr(); 12141 } 12142 12143 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12144 12145 synchronized (mPackages) { 12146 updatePermissionsLPw(newPackage.packageName, newPackage, 12147 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12148 ? UPDATE_PERMISSIONS_ALL : 0)); 12149 // For system-bundled packages, we assume that installing an upgraded version 12150 // of the package implies that the user actually wants to run that new code, 12151 // so we enable the package. 12152 PackageSetting ps = mSettings.mPackages.get(pkgName); 12153 if (ps != null) { 12154 if (isSystemApp(newPackage)) { 12155 // NB: implicit assumption that system package upgrades apply to all users 12156 if (DEBUG_INSTALL) { 12157 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12158 } 12159 if (res.origUsers != null) { 12160 for (int userHandle : res.origUsers) { 12161 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12162 userHandle, installerPackageName); 12163 } 12164 } 12165 // Also convey the prior install/uninstall state 12166 if (allUsers != null && perUserInstalled != null) { 12167 for (int i = 0; i < allUsers.length; i++) { 12168 if (DEBUG_INSTALL) { 12169 Slog.d(TAG, " user " + allUsers[i] 12170 + " => " + perUserInstalled[i]); 12171 } 12172 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12173 } 12174 // these install state changes will be persisted in the 12175 // upcoming call to mSettings.writeLPr(). 12176 } 12177 } 12178 // It's implied that when a user requests installation, they want the app to be 12179 // installed and enabled. 12180 int userId = user.getIdentifier(); 12181 if (userId != UserHandle.USER_ALL) { 12182 ps.setInstalled(true, userId); 12183 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12184 } 12185 } 12186 res.name = pkgName; 12187 res.uid = newPackage.applicationInfo.uid; 12188 res.pkg = newPackage; 12189 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12190 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12191 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12192 //to update install status 12193 mSettings.writeLPr(); 12194 } 12195 } 12196 12197 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12198 final int installFlags = args.installFlags; 12199 final String installerPackageName = args.installerPackageName; 12200 final String volumeUuid = args.volumeUuid; 12201 final File tmpPackageFile = new File(args.getCodePath()); 12202 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12203 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12204 || (args.volumeUuid != null)); 12205 boolean replace = false; 12206 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12207 if (args.move != null) { 12208 // moving a complete application; perfom an initial scan on the new install location 12209 scanFlags |= SCAN_INITIAL; 12210 } 12211 // Result object to be returned 12212 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12213 12214 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12215 // Retrieve PackageSettings and parse package 12216 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12217 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12218 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12219 PackageParser pp = new PackageParser(); 12220 pp.setSeparateProcesses(mSeparateProcesses); 12221 pp.setDisplayMetrics(mMetrics); 12222 12223 final PackageParser.Package pkg; 12224 try { 12225 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12226 } catch (PackageParserException e) { 12227 res.setError("Failed parse during installPackageLI", e); 12228 return; 12229 } 12230 12231 // Mark that we have an install time CPU ABI override. 12232 pkg.cpuAbiOverride = args.abiOverride; 12233 12234 String pkgName = res.name = pkg.packageName; 12235 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12236 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12237 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12238 return; 12239 } 12240 } 12241 12242 try { 12243 pp.collectCertificates(pkg, parseFlags); 12244 pp.collectManifestDigest(pkg); 12245 } catch (PackageParserException e) { 12246 res.setError("Failed collect during installPackageLI", e); 12247 return; 12248 } 12249 12250 /* If the installer passed in a manifest digest, compare it now. */ 12251 if (args.manifestDigest != null) { 12252 if (DEBUG_INSTALL) { 12253 final String parsedManifest = pkg.manifestDigest == null ? "null" 12254 : pkg.manifestDigest.toString(); 12255 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12256 + parsedManifest); 12257 } 12258 12259 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12260 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12261 return; 12262 } 12263 } else if (DEBUG_INSTALL) { 12264 final String parsedManifest = pkg.manifestDigest == null 12265 ? "null" : pkg.manifestDigest.toString(); 12266 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12267 } 12268 12269 // Get rid of all references to package scan path via parser. 12270 pp = null; 12271 String oldCodePath = null; 12272 boolean systemApp = false; 12273 synchronized (mPackages) { 12274 // Check if installing already existing package 12275 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12276 String oldName = mSettings.mRenamedPackages.get(pkgName); 12277 if (pkg.mOriginalPackages != null 12278 && pkg.mOriginalPackages.contains(oldName) 12279 && mPackages.containsKey(oldName)) { 12280 // This package is derived from an original package, 12281 // and this device has been updating from that original 12282 // name. We must continue using the original name, so 12283 // rename the new package here. 12284 pkg.setPackageName(oldName); 12285 pkgName = pkg.packageName; 12286 replace = true; 12287 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12288 + oldName + " pkgName=" + pkgName); 12289 } else if (mPackages.containsKey(pkgName)) { 12290 // This package, under its official name, already exists 12291 // on the device; we should replace it. 12292 replace = true; 12293 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12294 } 12295 12296 // Prevent apps opting out from runtime permissions 12297 if (replace) { 12298 PackageParser.Package oldPackage = mPackages.get(pkgName); 12299 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12300 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12301 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12302 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12303 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12304 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12305 + " doesn't support runtime permissions but the old" 12306 + " target SDK " + oldTargetSdk + " does."); 12307 return; 12308 } 12309 } 12310 } 12311 12312 PackageSetting ps = mSettings.mPackages.get(pkgName); 12313 if (ps != null) { 12314 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12315 12316 // Quick sanity check that we're signed correctly if updating; 12317 // we'll check this again later when scanning, but we want to 12318 // bail early here before tripping over redefined permissions. 12319 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12320 if (!checkUpgradeKeySetLP(ps, pkg)) { 12321 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12322 + pkg.packageName + " upgrade keys do not match the " 12323 + "previously installed version"); 12324 return; 12325 } 12326 } else { 12327 try { 12328 verifySignaturesLP(ps, pkg); 12329 } catch (PackageManagerException e) { 12330 res.setError(e.error, e.getMessage()); 12331 return; 12332 } 12333 } 12334 12335 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12336 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12337 systemApp = (ps.pkg.applicationInfo.flags & 12338 ApplicationInfo.FLAG_SYSTEM) != 0; 12339 } 12340 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12341 } 12342 12343 // Check whether the newly-scanned package wants to define an already-defined perm 12344 int N = pkg.permissions.size(); 12345 for (int i = N-1; i >= 0; i--) { 12346 PackageParser.Permission perm = pkg.permissions.get(i); 12347 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12348 if (bp != null) { 12349 // If the defining package is signed with our cert, it's okay. This 12350 // also includes the "updating the same package" case, of course. 12351 // "updating same package" could also involve key-rotation. 12352 final boolean sigsOk; 12353 if (bp.sourcePackage.equals(pkg.packageName) 12354 && (bp.packageSetting instanceof PackageSetting) 12355 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12356 scanFlags))) { 12357 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12358 } else { 12359 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12360 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12361 } 12362 if (!sigsOk) { 12363 // If the owning package is the system itself, we log but allow 12364 // install to proceed; we fail the install on all other permission 12365 // redefinitions. 12366 if (!bp.sourcePackage.equals("android")) { 12367 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12368 + pkg.packageName + " attempting to redeclare permission " 12369 + perm.info.name + " already owned by " + bp.sourcePackage); 12370 res.origPermission = perm.info.name; 12371 res.origPackage = bp.sourcePackage; 12372 return; 12373 } else { 12374 Slog.w(TAG, "Package " + pkg.packageName 12375 + " attempting to redeclare system permission " 12376 + perm.info.name + "; ignoring new declaration"); 12377 pkg.permissions.remove(i); 12378 } 12379 } 12380 } 12381 } 12382 12383 } 12384 12385 if (systemApp && onExternal) { 12386 // Disable updates to system apps on sdcard 12387 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12388 "Cannot install updates to system apps on sdcard"); 12389 return; 12390 } 12391 12392 if (args.move != null) { 12393 // We did an in-place move, so dex is ready to roll 12394 scanFlags |= SCAN_NO_DEX; 12395 scanFlags |= SCAN_MOVE; 12396 12397 synchronized (mPackages) { 12398 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12399 if (ps == null) { 12400 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12401 "Missing settings for moved package " + pkgName); 12402 } 12403 12404 // We moved the entire application as-is, so bring over the 12405 // previously derived ABI information. 12406 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12407 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12408 } 12409 12410 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12411 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12412 scanFlags |= SCAN_NO_DEX; 12413 12414 try { 12415 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12416 true /* extract libs */); 12417 } catch (PackageManagerException pme) { 12418 Slog.e(TAG, "Error deriving application ABI", pme); 12419 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12420 return; 12421 } 12422 12423 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12424 int result = mPackageDexOptimizer 12425 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12426 false /* defer */, false /* inclDependencies */, 12427 true /* boot complete */); 12428 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12429 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12430 return; 12431 } 12432 } 12433 12434 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12435 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12436 return; 12437 } 12438 12439 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12440 12441 if (replace) { 12442 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12443 installerPackageName, volumeUuid, res); 12444 } else { 12445 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12446 args.user, installerPackageName, volumeUuid, res); 12447 } 12448 synchronized (mPackages) { 12449 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12450 if (ps != null) { 12451 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12452 } 12453 } 12454 } 12455 12456 private void startIntentFilterVerifications(int userId, boolean replacing, 12457 PackageParser.Package pkg) { 12458 if (mIntentFilterVerifierComponent == null) { 12459 Slog.w(TAG, "No IntentFilter verification will not be done as " 12460 + "there is no IntentFilterVerifier available!"); 12461 return; 12462 } 12463 12464 final int verifierUid = getPackageUid( 12465 mIntentFilterVerifierComponent.getPackageName(), 12466 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12467 12468 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12469 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12470 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12471 mHandler.sendMessage(msg); 12472 } 12473 12474 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12475 PackageParser.Package pkg) { 12476 int size = pkg.activities.size(); 12477 if (size == 0) { 12478 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12479 "No activity, so no need to verify any IntentFilter!"); 12480 return; 12481 } 12482 12483 final boolean hasDomainURLs = hasDomainURLs(pkg); 12484 if (!hasDomainURLs) { 12485 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12486 "No domain URLs, so no need to verify any IntentFilter!"); 12487 return; 12488 } 12489 12490 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12491 + " if any IntentFilter from the " + size 12492 + " Activities needs verification ..."); 12493 12494 int count = 0; 12495 final String packageName = pkg.packageName; 12496 12497 synchronized (mPackages) { 12498 // If this is a new install and we see that we've already run verification for this 12499 // package, we have nothing to do: it means the state was restored from backup. 12500 if (!replacing) { 12501 IntentFilterVerificationInfo ivi = 12502 mSettings.getIntentFilterVerificationLPr(packageName); 12503 if (ivi != null) { 12504 if (DEBUG_DOMAIN_VERIFICATION) { 12505 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12506 + ivi.getStatusString()); 12507 } 12508 return; 12509 } 12510 } 12511 12512 // If any filters need to be verified, then all need to be. 12513 boolean needToVerify = false; 12514 for (PackageParser.Activity a : pkg.activities) { 12515 for (ActivityIntentInfo filter : a.intents) { 12516 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12517 if (DEBUG_DOMAIN_VERIFICATION) { 12518 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12519 } 12520 needToVerify = true; 12521 break; 12522 } 12523 } 12524 } 12525 12526 if (needToVerify) { 12527 final int verificationId = mIntentFilterVerificationToken++; 12528 for (PackageParser.Activity a : pkg.activities) { 12529 for (ActivityIntentInfo filter : a.intents) { 12530 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12531 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12532 "Verification needed for IntentFilter:" + filter.toString()); 12533 mIntentFilterVerifier.addOneIntentFilterVerification( 12534 verifierUid, userId, verificationId, filter, packageName); 12535 count++; 12536 } 12537 } 12538 } 12539 } 12540 } 12541 12542 if (count > 0) { 12543 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12544 + " IntentFilter verification" + (count > 1 ? "s" : "") 12545 + " for userId:" + userId); 12546 mIntentFilterVerifier.startVerifications(userId); 12547 } else { 12548 if (DEBUG_DOMAIN_VERIFICATION) { 12549 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12550 } 12551 } 12552 } 12553 12554 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12555 final ComponentName cn = filter.activity.getComponentName(); 12556 final String packageName = cn.getPackageName(); 12557 12558 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12559 packageName); 12560 if (ivi == null) { 12561 return true; 12562 } 12563 int status = ivi.getStatus(); 12564 switch (status) { 12565 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12566 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12567 return true; 12568 12569 default: 12570 // Nothing to do 12571 return false; 12572 } 12573 } 12574 12575 private static boolean isMultiArch(PackageSetting ps) { 12576 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12577 } 12578 12579 private static boolean isMultiArch(ApplicationInfo info) { 12580 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12581 } 12582 12583 private static boolean isExternal(PackageParser.Package pkg) { 12584 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12585 } 12586 12587 private static boolean isExternal(PackageSetting ps) { 12588 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12589 } 12590 12591 private static boolean isExternal(ApplicationInfo info) { 12592 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12593 } 12594 12595 private static boolean isSystemApp(PackageParser.Package pkg) { 12596 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12597 } 12598 12599 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12600 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12601 } 12602 12603 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12604 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12605 } 12606 12607 private static boolean isSystemApp(PackageSetting ps) { 12608 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12609 } 12610 12611 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12612 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12613 } 12614 12615 private int packageFlagsToInstallFlags(PackageSetting ps) { 12616 int installFlags = 0; 12617 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12618 // This existing package was an external ASEC install when we have 12619 // the external flag without a UUID 12620 installFlags |= PackageManager.INSTALL_EXTERNAL; 12621 } 12622 if (ps.isForwardLocked()) { 12623 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12624 } 12625 return installFlags; 12626 } 12627 12628 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12629 if (isExternal(pkg)) { 12630 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12631 return mSettings.getExternalVersion(); 12632 } else { 12633 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12634 } 12635 } else { 12636 return mSettings.getInternalVersion(); 12637 } 12638 } 12639 12640 private void deleteTempPackageFiles() { 12641 final FilenameFilter filter = new FilenameFilter() { 12642 public boolean accept(File dir, String name) { 12643 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12644 } 12645 }; 12646 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12647 file.delete(); 12648 } 12649 } 12650 12651 @Override 12652 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12653 int flags) { 12654 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12655 flags); 12656 } 12657 12658 @Override 12659 public void deletePackage(final String packageName, 12660 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12661 mContext.enforceCallingOrSelfPermission( 12662 android.Manifest.permission.DELETE_PACKAGES, null); 12663 Preconditions.checkNotNull(packageName); 12664 Preconditions.checkNotNull(observer); 12665 final int uid = Binder.getCallingUid(); 12666 if (UserHandle.getUserId(uid) != userId) { 12667 mContext.enforceCallingPermission( 12668 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12669 "deletePackage for user " + userId); 12670 } 12671 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12672 try { 12673 observer.onPackageDeleted(packageName, 12674 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12675 } catch (RemoteException re) { 12676 } 12677 return; 12678 } 12679 12680 boolean uninstallBlocked = false; 12681 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12682 int[] users = sUserManager.getUserIds(); 12683 for (int i = 0; i < users.length; ++i) { 12684 if (getBlockUninstallForUser(packageName, users[i])) { 12685 uninstallBlocked = true; 12686 break; 12687 } 12688 } 12689 } else { 12690 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12691 } 12692 if (uninstallBlocked) { 12693 try { 12694 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12695 null); 12696 } catch (RemoteException re) { 12697 } 12698 return; 12699 } 12700 12701 if (DEBUG_REMOVE) { 12702 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12703 } 12704 // Queue up an async operation since the package deletion may take a little while. 12705 mHandler.post(new Runnable() { 12706 public void run() { 12707 mHandler.removeCallbacks(this); 12708 final int returnCode = deletePackageX(packageName, userId, flags); 12709 if (observer != null) { 12710 try { 12711 observer.onPackageDeleted(packageName, returnCode, null); 12712 } catch (RemoteException e) { 12713 Log.i(TAG, "Observer no longer exists."); 12714 } //end catch 12715 } //end if 12716 } //end run 12717 }); 12718 } 12719 12720 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12721 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12722 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12723 try { 12724 if (dpm != null) { 12725 if (dpm.isDeviceOwner(packageName)) { 12726 return true; 12727 } 12728 int[] users; 12729 if (userId == UserHandle.USER_ALL) { 12730 users = sUserManager.getUserIds(); 12731 } else { 12732 users = new int[]{userId}; 12733 } 12734 for (int i = 0; i < users.length; ++i) { 12735 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12736 return true; 12737 } 12738 } 12739 } 12740 } catch (RemoteException e) { 12741 } 12742 return false; 12743 } 12744 12745 /** 12746 * This method is an internal method that could be get invoked either 12747 * to delete an installed package or to clean up a failed installation. 12748 * After deleting an installed package, a broadcast is sent to notify any 12749 * listeners that the package has been installed. For cleaning up a failed 12750 * installation, the broadcast is not necessary since the package's 12751 * installation wouldn't have sent the initial broadcast either 12752 * The key steps in deleting a package are 12753 * deleting the package information in internal structures like mPackages, 12754 * deleting the packages base directories through installd 12755 * updating mSettings to reflect current status 12756 * persisting settings for later use 12757 * sending a broadcast if necessary 12758 */ 12759 private int deletePackageX(String packageName, int userId, int flags) { 12760 final PackageRemovedInfo info = new PackageRemovedInfo(); 12761 final boolean res; 12762 12763 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12764 ? UserHandle.ALL : new UserHandle(userId); 12765 12766 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12767 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12768 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12769 } 12770 12771 boolean removedForAllUsers = false; 12772 boolean systemUpdate = false; 12773 12774 // for the uninstall-updates case and restricted profiles, remember the per- 12775 // userhandle installed state 12776 int[] allUsers; 12777 boolean[] perUserInstalled; 12778 synchronized (mPackages) { 12779 PackageSetting ps = mSettings.mPackages.get(packageName); 12780 allUsers = sUserManager.getUserIds(); 12781 perUserInstalled = new boolean[allUsers.length]; 12782 for (int i = 0; i < allUsers.length; i++) { 12783 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12784 } 12785 } 12786 12787 synchronized (mInstallLock) { 12788 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12789 res = deletePackageLI(packageName, removeForUser, 12790 true, allUsers, perUserInstalled, 12791 flags | REMOVE_CHATTY, info, true); 12792 systemUpdate = info.isRemovedPackageSystemUpdate; 12793 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12794 removedForAllUsers = true; 12795 } 12796 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12797 + " removedForAllUsers=" + removedForAllUsers); 12798 } 12799 12800 if (res) { 12801 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12802 12803 // If the removed package was a system update, the old system package 12804 // was re-enabled; we need to broadcast this information 12805 if (systemUpdate) { 12806 Bundle extras = new Bundle(1); 12807 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12808 ? info.removedAppId : info.uid); 12809 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12810 12811 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12812 extras, null, null, null); 12813 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12814 extras, null, null, null); 12815 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12816 null, packageName, null, null); 12817 } 12818 } 12819 // Force a gc here. 12820 Runtime.getRuntime().gc(); 12821 // Delete the resources here after sending the broadcast to let 12822 // other processes clean up before deleting resources. 12823 if (info.args != null) { 12824 synchronized (mInstallLock) { 12825 info.args.doPostDeleteLI(true); 12826 } 12827 } 12828 12829 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12830 } 12831 12832 class PackageRemovedInfo { 12833 String removedPackage; 12834 int uid = -1; 12835 int removedAppId = -1; 12836 int[] removedUsers = null; 12837 boolean isRemovedPackageSystemUpdate = false; 12838 // Clean up resources deleted packages. 12839 InstallArgs args = null; 12840 12841 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12842 Bundle extras = new Bundle(1); 12843 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12844 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12845 if (replacing) { 12846 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12847 } 12848 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12849 if (removedPackage != null) { 12850 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12851 extras, null, null, removedUsers); 12852 if (fullRemove && !replacing) { 12853 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12854 extras, null, null, removedUsers); 12855 } 12856 } 12857 if (removedAppId >= 0) { 12858 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12859 removedUsers); 12860 } 12861 } 12862 } 12863 12864 /* 12865 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12866 * flag is not set, the data directory is removed as well. 12867 * make sure this flag is set for partially installed apps. If not its meaningless to 12868 * delete a partially installed application. 12869 */ 12870 private void removePackageDataLI(PackageSetting ps, 12871 int[] allUserHandles, boolean[] perUserInstalled, 12872 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12873 String packageName = ps.name; 12874 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12875 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12876 // Retrieve object to delete permissions for shared user later on 12877 final PackageSetting deletedPs; 12878 // reader 12879 synchronized (mPackages) { 12880 deletedPs = mSettings.mPackages.get(packageName); 12881 if (outInfo != null) { 12882 outInfo.removedPackage = packageName; 12883 outInfo.removedUsers = deletedPs != null 12884 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12885 : null; 12886 } 12887 } 12888 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12889 removeDataDirsLI(ps.volumeUuid, packageName); 12890 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12891 } 12892 // writer 12893 synchronized (mPackages) { 12894 if (deletedPs != null) { 12895 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12896 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12897 clearDefaultBrowserIfNeeded(packageName); 12898 if (outInfo != null) { 12899 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12900 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12901 } 12902 updatePermissionsLPw(deletedPs.name, null, 0); 12903 if (deletedPs.sharedUser != null) { 12904 // Remove permissions associated with package. Since runtime 12905 // permissions are per user we have to kill the removed package 12906 // or packages running under the shared user of the removed 12907 // package if revoking the permissions requested only by the removed 12908 // package is successful and this causes a change in gids. 12909 for (int userId : UserManagerService.getInstance().getUserIds()) { 12910 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12911 userId); 12912 if (userIdToKill == UserHandle.USER_ALL 12913 || userIdToKill >= UserHandle.USER_OWNER) { 12914 // If gids changed for this user, kill all affected packages. 12915 mHandler.post(new Runnable() { 12916 @Override 12917 public void run() { 12918 // This has to happen with no lock held. 12919 killApplication(deletedPs.name, deletedPs.appId, 12920 KILL_APP_REASON_GIDS_CHANGED); 12921 } 12922 }); 12923 break; 12924 } 12925 } 12926 } 12927 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12928 } 12929 // make sure to preserve per-user disabled state if this removal was just 12930 // a downgrade of a system app to the factory package 12931 if (allUserHandles != null && perUserInstalled != null) { 12932 if (DEBUG_REMOVE) { 12933 Slog.d(TAG, "Propagating install state across downgrade"); 12934 } 12935 for (int i = 0; i < allUserHandles.length; i++) { 12936 if (DEBUG_REMOVE) { 12937 Slog.d(TAG, " user " + allUserHandles[i] 12938 + " => " + perUserInstalled[i]); 12939 } 12940 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12941 } 12942 } 12943 } 12944 // can downgrade to reader 12945 if (writeSettings) { 12946 // Save settings now 12947 mSettings.writeLPr(); 12948 } 12949 } 12950 if (outInfo != null) { 12951 // A user ID was deleted here. Go through all users and remove it 12952 // from KeyStore. 12953 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12954 } 12955 } 12956 12957 static boolean locationIsPrivileged(File path) { 12958 try { 12959 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12960 .getCanonicalPath(); 12961 return path.getCanonicalPath().startsWith(privilegedAppDir); 12962 } catch (IOException e) { 12963 Slog.e(TAG, "Unable to access code path " + path); 12964 } 12965 return false; 12966 } 12967 12968 /* 12969 * Tries to delete system package. 12970 */ 12971 private boolean deleteSystemPackageLI(PackageSetting newPs, 12972 int[] allUserHandles, boolean[] perUserInstalled, 12973 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12974 final boolean applyUserRestrictions 12975 = (allUserHandles != null) && (perUserInstalled != null); 12976 PackageSetting disabledPs = null; 12977 // Confirm if the system package has been updated 12978 // An updated system app can be deleted. This will also have to restore 12979 // the system pkg from system partition 12980 // reader 12981 synchronized (mPackages) { 12982 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12983 } 12984 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12985 + " disabledPs=" + disabledPs); 12986 if (disabledPs == null) { 12987 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12988 return false; 12989 } else if (DEBUG_REMOVE) { 12990 Slog.d(TAG, "Deleting system pkg from data partition"); 12991 } 12992 if (DEBUG_REMOVE) { 12993 if (applyUserRestrictions) { 12994 Slog.d(TAG, "Remembering install states:"); 12995 for (int i = 0; i < allUserHandles.length; i++) { 12996 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12997 } 12998 } 12999 } 13000 // Delete the updated package 13001 outInfo.isRemovedPackageSystemUpdate = true; 13002 if (disabledPs.versionCode < newPs.versionCode) { 13003 // Delete data for downgrades 13004 flags &= ~PackageManager.DELETE_KEEP_DATA; 13005 } else { 13006 // Preserve data by setting flag 13007 flags |= PackageManager.DELETE_KEEP_DATA; 13008 } 13009 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13010 allUserHandles, perUserInstalled, outInfo, writeSettings); 13011 if (!ret) { 13012 return false; 13013 } 13014 // writer 13015 synchronized (mPackages) { 13016 // Reinstate the old system package 13017 mSettings.enableSystemPackageLPw(newPs.name); 13018 // Remove any native libraries from the upgraded package. 13019 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13020 } 13021 // Install the system package 13022 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13023 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13024 if (locationIsPrivileged(disabledPs.codePath)) { 13025 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13026 } 13027 13028 final PackageParser.Package newPkg; 13029 try { 13030 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13031 } catch (PackageManagerException e) { 13032 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13033 return false; 13034 } 13035 13036 // writer 13037 synchronized (mPackages) { 13038 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13039 13040 // Propagate the permissions state as we do not want to drop on the floor 13041 // runtime permissions. The update permissions method below will take 13042 // care of removing obsolete permissions and grant install permissions. 13043 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13044 updatePermissionsLPw(newPkg.packageName, newPkg, 13045 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13046 13047 if (applyUserRestrictions) { 13048 if (DEBUG_REMOVE) { 13049 Slog.d(TAG, "Propagating install state across reinstall"); 13050 } 13051 for (int i = 0; i < allUserHandles.length; i++) { 13052 if (DEBUG_REMOVE) { 13053 Slog.d(TAG, " user " + allUserHandles[i] 13054 + " => " + perUserInstalled[i]); 13055 } 13056 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13057 13058 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13059 } 13060 // Regardless of writeSettings we need to ensure that this restriction 13061 // state propagation is persisted 13062 mSettings.writeAllUsersPackageRestrictionsLPr(); 13063 } 13064 // can downgrade to reader here 13065 if (writeSettings) { 13066 mSettings.writeLPr(); 13067 } 13068 } 13069 return true; 13070 } 13071 13072 private boolean deleteInstalledPackageLI(PackageSetting ps, 13073 boolean deleteCodeAndResources, int flags, 13074 int[] allUserHandles, boolean[] perUserInstalled, 13075 PackageRemovedInfo outInfo, boolean writeSettings) { 13076 if (outInfo != null) { 13077 outInfo.uid = ps.appId; 13078 } 13079 13080 // Delete package data from internal structures and also remove data if flag is set 13081 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13082 13083 // Delete application code and resources 13084 if (deleteCodeAndResources && (outInfo != null)) { 13085 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13086 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13087 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13088 } 13089 return true; 13090 } 13091 13092 @Override 13093 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13094 int userId) { 13095 mContext.enforceCallingOrSelfPermission( 13096 android.Manifest.permission.DELETE_PACKAGES, null); 13097 synchronized (mPackages) { 13098 PackageSetting ps = mSettings.mPackages.get(packageName); 13099 if (ps == null) { 13100 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13101 return false; 13102 } 13103 if (!ps.getInstalled(userId)) { 13104 // Can't block uninstall for an app that is not installed or enabled. 13105 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13106 return false; 13107 } 13108 ps.setBlockUninstall(blockUninstall, userId); 13109 mSettings.writePackageRestrictionsLPr(userId); 13110 } 13111 return true; 13112 } 13113 13114 @Override 13115 public boolean getBlockUninstallForUser(String packageName, int userId) { 13116 synchronized (mPackages) { 13117 PackageSetting ps = mSettings.mPackages.get(packageName); 13118 if (ps == null) { 13119 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13120 return false; 13121 } 13122 return ps.getBlockUninstall(userId); 13123 } 13124 } 13125 13126 /* 13127 * This method handles package deletion in general 13128 */ 13129 private boolean deletePackageLI(String packageName, UserHandle user, 13130 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13131 int flags, PackageRemovedInfo outInfo, 13132 boolean writeSettings) { 13133 if (packageName == null) { 13134 Slog.w(TAG, "Attempt to delete null packageName."); 13135 return false; 13136 } 13137 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13138 PackageSetting ps; 13139 boolean dataOnly = false; 13140 int removeUser = -1; 13141 int appId = -1; 13142 synchronized (mPackages) { 13143 ps = mSettings.mPackages.get(packageName); 13144 if (ps == null) { 13145 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13146 return false; 13147 } 13148 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13149 && user.getIdentifier() != UserHandle.USER_ALL) { 13150 // The caller is asking that the package only be deleted for a single 13151 // user. To do this, we just mark its uninstalled state and delete 13152 // its data. If this is a system app, we only allow this to happen if 13153 // they have set the special DELETE_SYSTEM_APP which requests different 13154 // semantics than normal for uninstalling system apps. 13155 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13156 final int userId = user.getIdentifier(); 13157 ps.setUserState(userId, 13158 COMPONENT_ENABLED_STATE_DEFAULT, 13159 false, //installed 13160 true, //stopped 13161 true, //notLaunched 13162 false, //hidden 13163 null, null, null, 13164 false, // blockUninstall 13165 ps.readUserState(userId).domainVerificationStatus, 0); 13166 if (!isSystemApp(ps)) { 13167 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13168 // Other user still have this package installed, so all 13169 // we need to do is clear this user's data and save that 13170 // it is uninstalled. 13171 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13172 removeUser = user.getIdentifier(); 13173 appId = ps.appId; 13174 scheduleWritePackageRestrictionsLocked(removeUser); 13175 } else { 13176 // We need to set it back to 'installed' so the uninstall 13177 // broadcasts will be sent correctly. 13178 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13179 ps.setInstalled(true, user.getIdentifier()); 13180 } 13181 } else { 13182 // This is a system app, so we assume that the 13183 // other users still have this package installed, so all 13184 // we need to do is clear this user's data and save that 13185 // it is uninstalled. 13186 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13187 removeUser = user.getIdentifier(); 13188 appId = ps.appId; 13189 scheduleWritePackageRestrictionsLocked(removeUser); 13190 } 13191 } 13192 } 13193 13194 if (removeUser >= 0) { 13195 // From above, we determined that we are deleting this only 13196 // for a single user. Continue the work here. 13197 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13198 if (outInfo != null) { 13199 outInfo.removedPackage = packageName; 13200 outInfo.removedAppId = appId; 13201 outInfo.removedUsers = new int[] {removeUser}; 13202 } 13203 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13204 removeKeystoreDataIfNeeded(removeUser, appId); 13205 schedulePackageCleaning(packageName, removeUser, false); 13206 synchronized (mPackages) { 13207 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13208 scheduleWritePackageRestrictionsLocked(removeUser); 13209 } 13210 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13211 } 13212 return true; 13213 } 13214 13215 if (dataOnly) { 13216 // Delete application data first 13217 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13218 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13219 return true; 13220 } 13221 13222 boolean ret = false; 13223 if (isSystemApp(ps)) { 13224 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13225 // When an updated system application is deleted we delete the existing resources as well and 13226 // fall back to existing code in system partition 13227 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13228 flags, outInfo, writeSettings); 13229 } else { 13230 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13231 // Kill application pre-emptively especially for apps on sd. 13232 killApplication(packageName, ps.appId, "uninstall pkg"); 13233 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13234 allUserHandles, perUserInstalled, 13235 outInfo, writeSettings); 13236 } 13237 13238 return ret; 13239 } 13240 13241 private final class ClearStorageConnection implements ServiceConnection { 13242 IMediaContainerService mContainerService; 13243 13244 @Override 13245 public void onServiceConnected(ComponentName name, IBinder service) { 13246 synchronized (this) { 13247 mContainerService = IMediaContainerService.Stub.asInterface(service); 13248 notifyAll(); 13249 } 13250 } 13251 13252 @Override 13253 public void onServiceDisconnected(ComponentName name) { 13254 } 13255 } 13256 13257 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13258 final boolean mounted; 13259 if (Environment.isExternalStorageEmulated()) { 13260 mounted = true; 13261 } else { 13262 final String status = Environment.getExternalStorageState(); 13263 13264 mounted = status.equals(Environment.MEDIA_MOUNTED) 13265 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13266 } 13267 13268 if (!mounted) { 13269 return; 13270 } 13271 13272 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13273 int[] users; 13274 if (userId == UserHandle.USER_ALL) { 13275 users = sUserManager.getUserIds(); 13276 } else { 13277 users = new int[] { userId }; 13278 } 13279 final ClearStorageConnection conn = new ClearStorageConnection(); 13280 if (mContext.bindServiceAsUser( 13281 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13282 try { 13283 for (int curUser : users) { 13284 long timeout = SystemClock.uptimeMillis() + 5000; 13285 synchronized (conn) { 13286 long now = SystemClock.uptimeMillis(); 13287 while (conn.mContainerService == null && now < timeout) { 13288 try { 13289 conn.wait(timeout - now); 13290 } catch (InterruptedException e) { 13291 } 13292 } 13293 } 13294 if (conn.mContainerService == null) { 13295 return; 13296 } 13297 13298 final UserEnvironment userEnv = new UserEnvironment(curUser); 13299 clearDirectory(conn.mContainerService, 13300 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13301 if (allData) { 13302 clearDirectory(conn.mContainerService, 13303 userEnv.buildExternalStorageAppDataDirs(packageName)); 13304 clearDirectory(conn.mContainerService, 13305 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13306 } 13307 } 13308 } finally { 13309 mContext.unbindService(conn); 13310 } 13311 } 13312 } 13313 13314 @Override 13315 public void clearApplicationUserData(final String packageName, 13316 final IPackageDataObserver observer, final int userId) { 13317 mContext.enforceCallingOrSelfPermission( 13318 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13319 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13320 // Queue up an async operation since the package deletion may take a little while. 13321 mHandler.post(new Runnable() { 13322 public void run() { 13323 mHandler.removeCallbacks(this); 13324 final boolean succeeded; 13325 synchronized (mInstallLock) { 13326 succeeded = clearApplicationUserDataLI(packageName, userId); 13327 } 13328 clearExternalStorageDataSync(packageName, userId, true); 13329 if (succeeded) { 13330 // invoke DeviceStorageMonitor's update method to clear any notifications 13331 DeviceStorageMonitorInternal 13332 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13333 if (dsm != null) { 13334 dsm.checkMemory(); 13335 } 13336 } 13337 if(observer != null) { 13338 try { 13339 observer.onRemoveCompleted(packageName, succeeded); 13340 } catch (RemoteException e) { 13341 Log.i(TAG, "Observer no longer exists."); 13342 } 13343 } //end if observer 13344 } //end run 13345 }); 13346 } 13347 13348 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13349 if (packageName == null) { 13350 Slog.w(TAG, "Attempt to delete null packageName."); 13351 return false; 13352 } 13353 13354 // Try finding details about the requested package 13355 PackageParser.Package pkg; 13356 synchronized (mPackages) { 13357 pkg = mPackages.get(packageName); 13358 if (pkg == null) { 13359 final PackageSetting ps = mSettings.mPackages.get(packageName); 13360 if (ps != null) { 13361 pkg = ps.pkg; 13362 } 13363 } 13364 13365 if (pkg == null) { 13366 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13367 return false; 13368 } 13369 13370 PackageSetting ps = (PackageSetting) pkg.mExtras; 13371 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13372 } 13373 13374 // Always delete data directories for package, even if we found no other 13375 // record of app. This helps users recover from UID mismatches without 13376 // resorting to a full data wipe. 13377 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13378 if (retCode < 0) { 13379 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13380 return false; 13381 } 13382 13383 final int appId = pkg.applicationInfo.uid; 13384 removeKeystoreDataIfNeeded(userId, appId); 13385 13386 // Create a native library symlink only if we have native libraries 13387 // and if the native libraries are 32 bit libraries. We do not provide 13388 // this symlink for 64 bit libraries. 13389 if (pkg.applicationInfo.primaryCpuAbi != null && 13390 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13391 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13392 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13393 nativeLibPath, userId) < 0) { 13394 Slog.w(TAG, "Failed linking native library dir"); 13395 return false; 13396 } 13397 } 13398 13399 return true; 13400 } 13401 13402 /** 13403 * Reverts user permission state changes (permissions and flags) in 13404 * all packages for a given user. 13405 * 13406 * @param userId The device user for which to do a reset. 13407 */ 13408 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13409 final int packageCount = mPackages.size(); 13410 for (int i = 0; i < packageCount; i++) { 13411 PackageParser.Package pkg = mPackages.valueAt(i); 13412 PackageSetting ps = (PackageSetting) pkg.mExtras; 13413 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13414 } 13415 } 13416 13417 /** 13418 * Reverts user permission state changes (permissions and flags). 13419 * 13420 * @param ps The package for which to reset. 13421 * @param userId The device user for which to do a reset. 13422 */ 13423 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13424 final PackageSetting ps, final int userId) { 13425 if (ps.pkg == null) { 13426 return; 13427 } 13428 13429 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13430 | FLAG_PERMISSION_USER_FIXED 13431 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13432 13433 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13434 | FLAG_PERMISSION_POLICY_FIXED; 13435 13436 boolean writeInstallPermissions = false; 13437 boolean writeRuntimePermissions = false; 13438 13439 final int permissionCount = ps.pkg.requestedPermissions.size(); 13440 for (int i = 0; i < permissionCount; i++) { 13441 String permission = ps.pkg.requestedPermissions.get(i); 13442 13443 BasePermission bp = mSettings.mPermissions.get(permission); 13444 if (bp == null) { 13445 continue; 13446 } 13447 13448 // If shared user we just reset the state to which only this app contributed. 13449 if (ps.sharedUser != null) { 13450 boolean used = false; 13451 final int packageCount = ps.sharedUser.packages.size(); 13452 for (int j = 0; j < packageCount; j++) { 13453 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13454 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13455 && pkg.pkg.requestedPermissions.contains(permission)) { 13456 used = true; 13457 break; 13458 } 13459 } 13460 if (used) { 13461 continue; 13462 } 13463 } 13464 13465 PermissionsState permissionsState = ps.getPermissionsState(); 13466 13467 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13468 13469 // Always clear the user settable flags. 13470 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13471 bp.name) != null; 13472 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13473 if (hasInstallState) { 13474 writeInstallPermissions = true; 13475 } else { 13476 writeRuntimePermissions = true; 13477 } 13478 } 13479 13480 // Below is only runtime permission handling. 13481 if (!bp.isRuntime()) { 13482 continue; 13483 } 13484 13485 // Never clobber system or policy. 13486 if ((oldFlags & policyOrSystemFlags) != 0) { 13487 continue; 13488 } 13489 13490 // If this permission was granted by default, make sure it is. 13491 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13492 if (permissionsState.grantRuntimePermission(bp, userId) 13493 != PERMISSION_OPERATION_FAILURE) { 13494 writeRuntimePermissions = true; 13495 } 13496 } else { 13497 // Otherwise, reset the permission. 13498 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13499 switch (revokeResult) { 13500 case PERMISSION_OPERATION_SUCCESS: { 13501 writeRuntimePermissions = true; 13502 } break; 13503 13504 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13505 writeRuntimePermissions = true; 13506 final int appId = ps.appId; 13507 mHandler.post(new Runnable() { 13508 @Override 13509 public void run() { 13510 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13511 } 13512 }); 13513 } break; 13514 } 13515 } 13516 } 13517 13518 // Synchronously write as we are taking permissions away. 13519 if (writeRuntimePermissions) { 13520 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13521 } 13522 13523 // Synchronously write as we are taking permissions away. 13524 if (writeInstallPermissions) { 13525 mSettings.writeLPr(); 13526 } 13527 } 13528 13529 /** 13530 * Remove entries from the keystore daemon. Will only remove it if the 13531 * {@code appId} is valid. 13532 */ 13533 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13534 if (appId < 0) { 13535 return; 13536 } 13537 13538 final KeyStore keyStore = KeyStore.getInstance(); 13539 if (keyStore != null) { 13540 if (userId == UserHandle.USER_ALL) { 13541 for (final int individual : sUserManager.getUserIds()) { 13542 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13543 } 13544 } else { 13545 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13546 } 13547 } else { 13548 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13549 } 13550 } 13551 13552 @Override 13553 public void deleteApplicationCacheFiles(final String packageName, 13554 final IPackageDataObserver observer) { 13555 mContext.enforceCallingOrSelfPermission( 13556 android.Manifest.permission.DELETE_CACHE_FILES, null); 13557 // Queue up an async operation since the package deletion may take a little while. 13558 final int userId = UserHandle.getCallingUserId(); 13559 mHandler.post(new Runnable() { 13560 public void run() { 13561 mHandler.removeCallbacks(this); 13562 final boolean succeded; 13563 synchronized (mInstallLock) { 13564 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13565 } 13566 clearExternalStorageDataSync(packageName, userId, false); 13567 if (observer != null) { 13568 try { 13569 observer.onRemoveCompleted(packageName, succeded); 13570 } catch (RemoteException e) { 13571 Log.i(TAG, "Observer no longer exists."); 13572 } 13573 } //end if observer 13574 } //end run 13575 }); 13576 } 13577 13578 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13579 if (packageName == null) { 13580 Slog.w(TAG, "Attempt to delete null packageName."); 13581 return false; 13582 } 13583 PackageParser.Package p; 13584 synchronized (mPackages) { 13585 p = mPackages.get(packageName); 13586 } 13587 if (p == null) { 13588 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13589 return false; 13590 } 13591 final ApplicationInfo applicationInfo = p.applicationInfo; 13592 if (applicationInfo == null) { 13593 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13594 return false; 13595 } 13596 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13597 if (retCode < 0) { 13598 Slog.w(TAG, "Couldn't remove cache files for package: " 13599 + packageName + " u" + userId); 13600 return false; 13601 } 13602 return true; 13603 } 13604 13605 @Override 13606 public void getPackageSizeInfo(final String packageName, int userHandle, 13607 final IPackageStatsObserver observer) { 13608 mContext.enforceCallingOrSelfPermission( 13609 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13610 if (packageName == null) { 13611 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13612 } 13613 13614 PackageStats stats = new PackageStats(packageName, userHandle); 13615 13616 /* 13617 * Queue up an async operation since the package measurement may take a 13618 * little while. 13619 */ 13620 Message msg = mHandler.obtainMessage(INIT_COPY); 13621 msg.obj = new MeasureParams(stats, observer); 13622 mHandler.sendMessage(msg); 13623 } 13624 13625 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13626 PackageStats pStats) { 13627 if (packageName == null) { 13628 Slog.w(TAG, "Attempt to get size of null packageName."); 13629 return false; 13630 } 13631 PackageParser.Package p; 13632 boolean dataOnly = false; 13633 String libDirRoot = null; 13634 String asecPath = null; 13635 PackageSetting ps = null; 13636 synchronized (mPackages) { 13637 p = mPackages.get(packageName); 13638 ps = mSettings.mPackages.get(packageName); 13639 if(p == null) { 13640 dataOnly = true; 13641 if((ps == null) || (ps.pkg == null)) { 13642 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13643 return false; 13644 } 13645 p = ps.pkg; 13646 } 13647 if (ps != null) { 13648 libDirRoot = ps.legacyNativeLibraryPathString; 13649 } 13650 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 13651 final long token = Binder.clearCallingIdentity(); 13652 try { 13653 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13654 if (secureContainerId != null) { 13655 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13656 } 13657 } finally { 13658 Binder.restoreCallingIdentity(token); 13659 } 13660 } 13661 } 13662 String publicSrcDir = null; 13663 if(!dataOnly) { 13664 final ApplicationInfo applicationInfo = p.applicationInfo; 13665 if (applicationInfo == null) { 13666 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13667 return false; 13668 } 13669 if (p.isForwardLocked()) { 13670 publicSrcDir = applicationInfo.getBaseResourcePath(); 13671 } 13672 } 13673 // TODO: extend to measure size of split APKs 13674 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13675 // not just the first level. 13676 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13677 // just the primary. 13678 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13679 13680 String apkPath; 13681 File packageDir = new File(p.codePath); 13682 13683 if (packageDir.isDirectory() && p.canHaveOatDir()) { 13684 apkPath = packageDir.getAbsolutePath(); 13685 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 13686 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 13687 libDirRoot = null; 13688 } 13689 } else { 13690 apkPath = p.baseCodePath; 13691 } 13692 13693 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 13694 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13695 if (res < 0) { 13696 return false; 13697 } 13698 13699 // Fix-up for forward-locked applications in ASEC containers. 13700 if (!isExternal(p)) { 13701 pStats.codeSize += pStats.externalCodeSize; 13702 pStats.externalCodeSize = 0L; 13703 } 13704 13705 return true; 13706 } 13707 13708 13709 @Override 13710 public void addPackageToPreferred(String packageName) { 13711 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13712 } 13713 13714 @Override 13715 public void removePackageFromPreferred(String packageName) { 13716 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13717 } 13718 13719 @Override 13720 public List<PackageInfo> getPreferredPackages(int flags) { 13721 return new ArrayList<PackageInfo>(); 13722 } 13723 13724 private int getUidTargetSdkVersionLockedLPr(int uid) { 13725 Object obj = mSettings.getUserIdLPr(uid); 13726 if (obj instanceof SharedUserSetting) { 13727 final SharedUserSetting sus = (SharedUserSetting) obj; 13728 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13729 final Iterator<PackageSetting> it = sus.packages.iterator(); 13730 while (it.hasNext()) { 13731 final PackageSetting ps = it.next(); 13732 if (ps.pkg != null) { 13733 int v = ps.pkg.applicationInfo.targetSdkVersion; 13734 if (v < vers) vers = v; 13735 } 13736 } 13737 return vers; 13738 } else if (obj instanceof PackageSetting) { 13739 final PackageSetting ps = (PackageSetting) obj; 13740 if (ps.pkg != null) { 13741 return ps.pkg.applicationInfo.targetSdkVersion; 13742 } 13743 } 13744 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13745 } 13746 13747 @Override 13748 public void addPreferredActivity(IntentFilter filter, int match, 13749 ComponentName[] set, ComponentName activity, int userId) { 13750 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13751 "Adding preferred"); 13752 } 13753 13754 private void addPreferredActivityInternal(IntentFilter filter, int match, 13755 ComponentName[] set, ComponentName activity, boolean always, int userId, 13756 String opname) { 13757 // writer 13758 int callingUid = Binder.getCallingUid(); 13759 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13760 if (filter.countActions() == 0) { 13761 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13762 return; 13763 } 13764 synchronized (mPackages) { 13765 if (mContext.checkCallingOrSelfPermission( 13766 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13767 != PackageManager.PERMISSION_GRANTED) { 13768 if (getUidTargetSdkVersionLockedLPr(callingUid) 13769 < Build.VERSION_CODES.FROYO) { 13770 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13771 + callingUid); 13772 return; 13773 } 13774 mContext.enforceCallingOrSelfPermission( 13775 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13776 } 13777 13778 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13779 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13780 + userId + ":"); 13781 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13782 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13783 scheduleWritePackageRestrictionsLocked(userId); 13784 } 13785 } 13786 13787 @Override 13788 public void replacePreferredActivity(IntentFilter filter, int match, 13789 ComponentName[] set, ComponentName activity, int userId) { 13790 if (filter.countActions() != 1) { 13791 throw new IllegalArgumentException( 13792 "replacePreferredActivity expects filter to have only 1 action."); 13793 } 13794 if (filter.countDataAuthorities() != 0 13795 || filter.countDataPaths() != 0 13796 || filter.countDataSchemes() > 1 13797 || filter.countDataTypes() != 0) { 13798 throw new IllegalArgumentException( 13799 "replacePreferredActivity expects filter to have no data authorities, " + 13800 "paths, or types; and at most one scheme."); 13801 } 13802 13803 final int callingUid = Binder.getCallingUid(); 13804 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13805 synchronized (mPackages) { 13806 if (mContext.checkCallingOrSelfPermission( 13807 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13808 != PackageManager.PERMISSION_GRANTED) { 13809 if (getUidTargetSdkVersionLockedLPr(callingUid) 13810 < Build.VERSION_CODES.FROYO) { 13811 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13812 + Binder.getCallingUid()); 13813 return; 13814 } 13815 mContext.enforceCallingOrSelfPermission( 13816 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13817 } 13818 13819 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13820 if (pir != null) { 13821 // Get all of the existing entries that exactly match this filter. 13822 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13823 if (existing != null && existing.size() == 1) { 13824 PreferredActivity cur = existing.get(0); 13825 if (DEBUG_PREFERRED) { 13826 Slog.i(TAG, "Checking replace of preferred:"); 13827 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13828 if (!cur.mPref.mAlways) { 13829 Slog.i(TAG, " -- CUR; not mAlways!"); 13830 } else { 13831 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13832 Slog.i(TAG, " -- CUR: mSet=" 13833 + Arrays.toString(cur.mPref.mSetComponents)); 13834 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13835 Slog.i(TAG, " -- NEW: mMatch=" 13836 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13837 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13838 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13839 } 13840 } 13841 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13842 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13843 && cur.mPref.sameSet(set)) { 13844 // Setting the preferred activity to what it happens to be already 13845 if (DEBUG_PREFERRED) { 13846 Slog.i(TAG, "Replacing with same preferred activity " 13847 + cur.mPref.mShortComponent + " for user " 13848 + userId + ":"); 13849 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13850 } 13851 return; 13852 } 13853 } 13854 13855 if (existing != null) { 13856 if (DEBUG_PREFERRED) { 13857 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13858 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13859 } 13860 for (int i = 0; i < existing.size(); i++) { 13861 PreferredActivity pa = existing.get(i); 13862 if (DEBUG_PREFERRED) { 13863 Slog.i(TAG, "Removing existing preferred activity " 13864 + pa.mPref.mComponent + ":"); 13865 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13866 } 13867 pir.removeFilter(pa); 13868 } 13869 } 13870 } 13871 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13872 "Replacing preferred"); 13873 } 13874 } 13875 13876 @Override 13877 public void clearPackagePreferredActivities(String packageName) { 13878 final int uid = Binder.getCallingUid(); 13879 // writer 13880 synchronized (mPackages) { 13881 PackageParser.Package pkg = mPackages.get(packageName); 13882 if (pkg == null || pkg.applicationInfo.uid != uid) { 13883 if (mContext.checkCallingOrSelfPermission( 13884 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13885 != PackageManager.PERMISSION_GRANTED) { 13886 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13887 < Build.VERSION_CODES.FROYO) { 13888 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13889 + Binder.getCallingUid()); 13890 return; 13891 } 13892 mContext.enforceCallingOrSelfPermission( 13893 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13894 } 13895 } 13896 13897 int user = UserHandle.getCallingUserId(); 13898 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13899 scheduleWritePackageRestrictionsLocked(user); 13900 } 13901 } 13902 } 13903 13904 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13905 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13906 ArrayList<PreferredActivity> removed = null; 13907 boolean changed = false; 13908 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13909 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13910 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13911 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13912 continue; 13913 } 13914 Iterator<PreferredActivity> it = pir.filterIterator(); 13915 while (it.hasNext()) { 13916 PreferredActivity pa = it.next(); 13917 // Mark entry for removal only if it matches the package name 13918 // and the entry is of type "always". 13919 if (packageName == null || 13920 (pa.mPref.mComponent.getPackageName().equals(packageName) 13921 && pa.mPref.mAlways)) { 13922 if (removed == null) { 13923 removed = new ArrayList<PreferredActivity>(); 13924 } 13925 removed.add(pa); 13926 } 13927 } 13928 if (removed != null) { 13929 for (int j=0; j<removed.size(); j++) { 13930 PreferredActivity pa = removed.get(j); 13931 pir.removeFilter(pa); 13932 } 13933 changed = true; 13934 } 13935 } 13936 return changed; 13937 } 13938 13939 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13940 private void clearIntentFilterVerificationsLPw(int userId) { 13941 final int packageCount = mPackages.size(); 13942 for (int i = 0; i < packageCount; i++) { 13943 PackageParser.Package pkg = mPackages.valueAt(i); 13944 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 13945 } 13946 } 13947 13948 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13949 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13950 if (userId == UserHandle.USER_ALL) { 13951 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13952 sUserManager.getUserIds())) { 13953 for (int oneUserId : sUserManager.getUserIds()) { 13954 scheduleWritePackageRestrictionsLocked(oneUserId); 13955 } 13956 } 13957 } else { 13958 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13959 scheduleWritePackageRestrictionsLocked(userId); 13960 } 13961 } 13962 } 13963 13964 void clearDefaultBrowserIfNeeded(String packageName) { 13965 for (int oneUserId : sUserManager.getUserIds()) { 13966 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13967 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13968 if (packageName.equals(defaultBrowserPackageName)) { 13969 setDefaultBrowserPackageName(null, oneUserId); 13970 } 13971 } 13972 } 13973 13974 @Override 13975 public void resetApplicationPreferences(int userId) { 13976 mContext.enforceCallingOrSelfPermission( 13977 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13978 // writer 13979 synchronized (mPackages) { 13980 final long identity = Binder.clearCallingIdentity(); 13981 try { 13982 clearPackagePreferredActivitiesLPw(null, userId); 13983 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13984 // TODO: We have to reset the default SMS and Phone. This requires 13985 // significant refactoring to keep all default apps in the package 13986 // manager (cleaner but more work) or have the services provide 13987 // callbacks to the package manager to request a default app reset. 13988 applyFactoryDefaultBrowserLPw(userId); 13989 clearIntentFilterVerificationsLPw(userId); 13990 primeDomainVerificationsLPw(userId); 13991 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 13992 scheduleWritePackageRestrictionsLocked(userId); 13993 } finally { 13994 Binder.restoreCallingIdentity(identity); 13995 } 13996 } 13997 } 13998 13999 @Override 14000 public int getPreferredActivities(List<IntentFilter> outFilters, 14001 List<ComponentName> outActivities, String packageName) { 14002 14003 int num = 0; 14004 final int userId = UserHandle.getCallingUserId(); 14005 // reader 14006 synchronized (mPackages) { 14007 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14008 if (pir != null) { 14009 final Iterator<PreferredActivity> it = pir.filterIterator(); 14010 while (it.hasNext()) { 14011 final PreferredActivity pa = it.next(); 14012 if (packageName == null 14013 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14014 && pa.mPref.mAlways)) { 14015 if (outFilters != null) { 14016 outFilters.add(new IntentFilter(pa)); 14017 } 14018 if (outActivities != null) { 14019 outActivities.add(pa.mPref.mComponent); 14020 } 14021 } 14022 } 14023 } 14024 } 14025 14026 return num; 14027 } 14028 14029 @Override 14030 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14031 int userId) { 14032 int callingUid = Binder.getCallingUid(); 14033 if (callingUid != Process.SYSTEM_UID) { 14034 throw new SecurityException( 14035 "addPersistentPreferredActivity can only be run by the system"); 14036 } 14037 if (filter.countActions() == 0) { 14038 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14039 return; 14040 } 14041 synchronized (mPackages) { 14042 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14043 " :"); 14044 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14045 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14046 new PersistentPreferredActivity(filter, activity)); 14047 scheduleWritePackageRestrictionsLocked(userId); 14048 } 14049 } 14050 14051 @Override 14052 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14053 int callingUid = Binder.getCallingUid(); 14054 if (callingUid != Process.SYSTEM_UID) { 14055 throw new SecurityException( 14056 "clearPackagePersistentPreferredActivities can only be run by the system"); 14057 } 14058 ArrayList<PersistentPreferredActivity> removed = null; 14059 boolean changed = false; 14060 synchronized (mPackages) { 14061 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14062 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14063 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14064 .valueAt(i); 14065 if (userId != thisUserId) { 14066 continue; 14067 } 14068 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14069 while (it.hasNext()) { 14070 PersistentPreferredActivity ppa = it.next(); 14071 // Mark entry for removal only if it matches the package name. 14072 if (ppa.mComponent.getPackageName().equals(packageName)) { 14073 if (removed == null) { 14074 removed = new ArrayList<PersistentPreferredActivity>(); 14075 } 14076 removed.add(ppa); 14077 } 14078 } 14079 if (removed != null) { 14080 for (int j=0; j<removed.size(); j++) { 14081 PersistentPreferredActivity ppa = removed.get(j); 14082 ppir.removeFilter(ppa); 14083 } 14084 changed = true; 14085 } 14086 } 14087 14088 if (changed) { 14089 scheduleWritePackageRestrictionsLocked(userId); 14090 } 14091 } 14092 } 14093 14094 /** 14095 * Common machinery for picking apart a restored XML blob and passing 14096 * it to a caller-supplied functor to be applied to the running system. 14097 */ 14098 private void restoreFromXml(XmlPullParser parser, int userId, 14099 String expectedStartTag, BlobXmlRestorer functor) 14100 throws IOException, XmlPullParserException { 14101 int type; 14102 while ((type = parser.next()) != XmlPullParser.START_TAG 14103 && type != XmlPullParser.END_DOCUMENT) { 14104 } 14105 if (type != XmlPullParser.START_TAG) { 14106 // oops didn't find a start tag?! 14107 if (DEBUG_BACKUP) { 14108 Slog.e(TAG, "Didn't find start tag during restore"); 14109 } 14110 return; 14111 } 14112 14113 // this is supposed to be TAG_PREFERRED_BACKUP 14114 if (!expectedStartTag.equals(parser.getName())) { 14115 if (DEBUG_BACKUP) { 14116 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14117 } 14118 return; 14119 } 14120 14121 // skip interfering stuff, then we're aligned with the backing implementation 14122 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14123 functor.apply(parser, userId); 14124 } 14125 14126 private interface BlobXmlRestorer { 14127 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14128 } 14129 14130 /** 14131 * Non-Binder method, support for the backup/restore mechanism: write the 14132 * full set of preferred activities in its canonical XML format. Returns the 14133 * XML output as a byte array, or null if there is none. 14134 */ 14135 @Override 14136 public byte[] getPreferredActivityBackup(int userId) { 14137 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14138 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14139 } 14140 14141 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14142 try { 14143 final XmlSerializer serializer = new FastXmlSerializer(); 14144 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14145 serializer.startDocument(null, true); 14146 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14147 14148 synchronized (mPackages) { 14149 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14150 } 14151 14152 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14153 serializer.endDocument(); 14154 serializer.flush(); 14155 } catch (Exception e) { 14156 if (DEBUG_BACKUP) { 14157 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14158 } 14159 return null; 14160 } 14161 14162 return dataStream.toByteArray(); 14163 } 14164 14165 @Override 14166 public void restorePreferredActivities(byte[] backup, int userId) { 14167 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14168 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14169 } 14170 14171 try { 14172 final XmlPullParser parser = Xml.newPullParser(); 14173 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14174 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14175 new BlobXmlRestorer() { 14176 @Override 14177 public void apply(XmlPullParser parser, int userId) 14178 throws XmlPullParserException, IOException { 14179 synchronized (mPackages) { 14180 mSettings.readPreferredActivitiesLPw(parser, userId); 14181 } 14182 } 14183 } ); 14184 } catch (Exception e) { 14185 if (DEBUG_BACKUP) { 14186 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14187 } 14188 } 14189 } 14190 14191 /** 14192 * Non-Binder method, support for the backup/restore mechanism: write the 14193 * default browser (etc) settings in its canonical XML format. Returns the default 14194 * browser XML representation as a byte array, or null if there is none. 14195 */ 14196 @Override 14197 public byte[] getDefaultAppsBackup(int userId) { 14198 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14199 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14200 } 14201 14202 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14203 try { 14204 final XmlSerializer serializer = new FastXmlSerializer(); 14205 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14206 serializer.startDocument(null, true); 14207 serializer.startTag(null, TAG_DEFAULT_APPS); 14208 14209 synchronized (mPackages) { 14210 mSettings.writeDefaultAppsLPr(serializer, userId); 14211 } 14212 14213 serializer.endTag(null, TAG_DEFAULT_APPS); 14214 serializer.endDocument(); 14215 serializer.flush(); 14216 } catch (Exception e) { 14217 if (DEBUG_BACKUP) { 14218 Slog.e(TAG, "Unable to write default apps for backup", e); 14219 } 14220 return null; 14221 } 14222 14223 return dataStream.toByteArray(); 14224 } 14225 14226 @Override 14227 public void restoreDefaultApps(byte[] backup, int userId) { 14228 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14229 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14230 } 14231 14232 try { 14233 final XmlPullParser parser = Xml.newPullParser(); 14234 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14235 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14236 new BlobXmlRestorer() { 14237 @Override 14238 public void apply(XmlPullParser parser, int userId) 14239 throws XmlPullParserException, IOException { 14240 synchronized (mPackages) { 14241 mSettings.readDefaultAppsLPw(parser, userId); 14242 } 14243 } 14244 } ); 14245 } catch (Exception e) { 14246 if (DEBUG_BACKUP) { 14247 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14248 } 14249 } 14250 } 14251 14252 @Override 14253 public byte[] getIntentFilterVerificationBackup(int userId) { 14254 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14255 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14256 } 14257 14258 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14259 try { 14260 final XmlSerializer serializer = new FastXmlSerializer(); 14261 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14262 serializer.startDocument(null, true); 14263 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14264 14265 synchronized (mPackages) { 14266 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14267 } 14268 14269 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14270 serializer.endDocument(); 14271 serializer.flush(); 14272 } catch (Exception e) { 14273 if (DEBUG_BACKUP) { 14274 Slog.e(TAG, "Unable to write default apps for backup", e); 14275 } 14276 return null; 14277 } 14278 14279 return dataStream.toByteArray(); 14280 } 14281 14282 @Override 14283 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14284 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14285 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14286 } 14287 14288 try { 14289 final XmlPullParser parser = Xml.newPullParser(); 14290 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14291 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14292 new BlobXmlRestorer() { 14293 @Override 14294 public void apply(XmlPullParser parser, int userId) 14295 throws XmlPullParserException, IOException { 14296 synchronized (mPackages) { 14297 mSettings.readAllDomainVerificationsLPr(parser, userId); 14298 mSettings.writeLPr(); 14299 } 14300 } 14301 } ); 14302 } catch (Exception e) { 14303 if (DEBUG_BACKUP) { 14304 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14305 } 14306 } 14307 } 14308 14309 @Override 14310 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14311 int sourceUserId, int targetUserId, int flags) { 14312 mContext.enforceCallingOrSelfPermission( 14313 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14314 int callingUid = Binder.getCallingUid(); 14315 enforceOwnerRights(ownerPackage, callingUid); 14316 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14317 if (intentFilter.countActions() == 0) { 14318 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14319 return; 14320 } 14321 synchronized (mPackages) { 14322 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14323 ownerPackage, targetUserId, flags); 14324 CrossProfileIntentResolver resolver = 14325 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14326 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14327 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14328 if (existing != null) { 14329 int size = existing.size(); 14330 for (int i = 0; i < size; i++) { 14331 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14332 return; 14333 } 14334 } 14335 } 14336 resolver.addFilter(newFilter); 14337 scheduleWritePackageRestrictionsLocked(sourceUserId); 14338 } 14339 } 14340 14341 @Override 14342 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14343 mContext.enforceCallingOrSelfPermission( 14344 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14345 int callingUid = Binder.getCallingUid(); 14346 enforceOwnerRights(ownerPackage, callingUid); 14347 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14348 synchronized (mPackages) { 14349 CrossProfileIntentResolver resolver = 14350 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14351 ArraySet<CrossProfileIntentFilter> set = 14352 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14353 for (CrossProfileIntentFilter filter : set) { 14354 if (filter.getOwnerPackage().equals(ownerPackage)) { 14355 resolver.removeFilter(filter); 14356 } 14357 } 14358 scheduleWritePackageRestrictionsLocked(sourceUserId); 14359 } 14360 } 14361 14362 // Enforcing that callingUid is owning pkg on userId 14363 private void enforceOwnerRights(String pkg, int callingUid) { 14364 // The system owns everything. 14365 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14366 return; 14367 } 14368 int callingUserId = UserHandle.getUserId(callingUid); 14369 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14370 if (pi == null) { 14371 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14372 + callingUserId); 14373 } 14374 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14375 throw new SecurityException("Calling uid " + callingUid 14376 + " does not own package " + pkg); 14377 } 14378 } 14379 14380 @Override 14381 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14382 Intent intent = new Intent(Intent.ACTION_MAIN); 14383 intent.addCategory(Intent.CATEGORY_HOME); 14384 14385 final int callingUserId = UserHandle.getCallingUserId(); 14386 List<ResolveInfo> list = queryIntentActivities(intent, null, 14387 PackageManager.GET_META_DATA, callingUserId); 14388 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14389 true, false, false, callingUserId); 14390 14391 allHomeCandidates.clear(); 14392 if (list != null) { 14393 for (ResolveInfo ri : list) { 14394 allHomeCandidates.add(ri); 14395 } 14396 } 14397 return (preferred == null || preferred.activityInfo == null) 14398 ? null 14399 : new ComponentName(preferred.activityInfo.packageName, 14400 preferred.activityInfo.name); 14401 } 14402 14403 @Override 14404 public void setApplicationEnabledSetting(String appPackageName, 14405 int newState, int flags, int userId, String callingPackage) { 14406 if (!sUserManager.exists(userId)) return; 14407 if (callingPackage == null) { 14408 callingPackage = Integer.toString(Binder.getCallingUid()); 14409 } 14410 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14411 } 14412 14413 @Override 14414 public void setComponentEnabledSetting(ComponentName componentName, 14415 int newState, int flags, int userId) { 14416 if (!sUserManager.exists(userId)) return; 14417 setEnabledSetting(componentName.getPackageName(), 14418 componentName.getClassName(), newState, flags, userId, null); 14419 } 14420 14421 private void setEnabledSetting(final String packageName, String className, int newState, 14422 final int flags, int userId, String callingPackage) { 14423 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14424 || newState == COMPONENT_ENABLED_STATE_ENABLED 14425 || newState == COMPONENT_ENABLED_STATE_DISABLED 14426 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14427 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14428 throw new IllegalArgumentException("Invalid new component state: " 14429 + newState); 14430 } 14431 PackageSetting pkgSetting; 14432 final int uid = Binder.getCallingUid(); 14433 final int permission = mContext.checkCallingOrSelfPermission( 14434 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14435 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14436 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14437 boolean sendNow = false; 14438 boolean isApp = (className == null); 14439 String componentName = isApp ? packageName : className; 14440 int packageUid = -1; 14441 ArrayList<String> components; 14442 14443 // writer 14444 synchronized (mPackages) { 14445 pkgSetting = mSettings.mPackages.get(packageName); 14446 if (pkgSetting == null) { 14447 if (className == null) { 14448 throw new IllegalArgumentException( 14449 "Unknown package: " + packageName); 14450 } 14451 throw new IllegalArgumentException( 14452 "Unknown component: " + packageName 14453 + "/" + className); 14454 } 14455 // Allow root and verify that userId is not being specified by a different user 14456 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14457 throw new SecurityException( 14458 "Permission Denial: attempt to change component state from pid=" 14459 + Binder.getCallingPid() 14460 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14461 } 14462 if (className == null) { 14463 // We're dealing with an application/package level state change 14464 if (pkgSetting.getEnabled(userId) == newState) { 14465 // Nothing to do 14466 return; 14467 } 14468 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14469 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14470 // Don't care about who enables an app. 14471 callingPackage = null; 14472 } 14473 pkgSetting.setEnabled(newState, userId, callingPackage); 14474 // pkgSetting.pkg.mSetEnabled = newState; 14475 } else { 14476 // We're dealing with a component level state change 14477 // First, verify that this is a valid class name. 14478 PackageParser.Package pkg = pkgSetting.pkg; 14479 if (pkg == null || !pkg.hasComponentClassName(className)) { 14480 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14481 throw new IllegalArgumentException("Component class " + className 14482 + " does not exist in " + packageName); 14483 } else { 14484 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14485 + className + " does not exist in " + packageName); 14486 } 14487 } 14488 switch (newState) { 14489 case COMPONENT_ENABLED_STATE_ENABLED: 14490 if (!pkgSetting.enableComponentLPw(className, userId)) { 14491 return; 14492 } 14493 break; 14494 case COMPONENT_ENABLED_STATE_DISABLED: 14495 if (!pkgSetting.disableComponentLPw(className, userId)) { 14496 return; 14497 } 14498 break; 14499 case COMPONENT_ENABLED_STATE_DEFAULT: 14500 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14501 return; 14502 } 14503 break; 14504 default: 14505 Slog.e(TAG, "Invalid new component state: " + newState); 14506 return; 14507 } 14508 } 14509 scheduleWritePackageRestrictionsLocked(userId); 14510 components = mPendingBroadcasts.get(userId, packageName); 14511 final boolean newPackage = components == null; 14512 if (newPackage) { 14513 components = new ArrayList<String>(); 14514 } 14515 if (!components.contains(componentName)) { 14516 components.add(componentName); 14517 } 14518 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14519 sendNow = true; 14520 // Purge entry from pending broadcast list if another one exists already 14521 // since we are sending one right away. 14522 mPendingBroadcasts.remove(userId, packageName); 14523 } else { 14524 if (newPackage) { 14525 mPendingBroadcasts.put(userId, packageName, components); 14526 } 14527 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14528 // Schedule a message 14529 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14530 } 14531 } 14532 } 14533 14534 long callingId = Binder.clearCallingIdentity(); 14535 try { 14536 if (sendNow) { 14537 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14538 sendPackageChangedBroadcast(packageName, 14539 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14540 } 14541 } finally { 14542 Binder.restoreCallingIdentity(callingId); 14543 } 14544 } 14545 14546 private void sendPackageChangedBroadcast(String packageName, 14547 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14548 if (DEBUG_INSTALL) 14549 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14550 + componentNames); 14551 Bundle extras = new Bundle(4); 14552 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14553 String nameList[] = new String[componentNames.size()]; 14554 componentNames.toArray(nameList); 14555 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14556 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14557 extras.putInt(Intent.EXTRA_UID, packageUid); 14558 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14559 new int[] {UserHandle.getUserId(packageUid)}); 14560 } 14561 14562 @Override 14563 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14564 if (!sUserManager.exists(userId)) return; 14565 final int uid = Binder.getCallingUid(); 14566 final int permission = mContext.checkCallingOrSelfPermission( 14567 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14568 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14569 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14570 // writer 14571 synchronized (mPackages) { 14572 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14573 allowedByPermission, uid, userId)) { 14574 scheduleWritePackageRestrictionsLocked(userId); 14575 } 14576 } 14577 } 14578 14579 @Override 14580 public String getInstallerPackageName(String packageName) { 14581 // reader 14582 synchronized (mPackages) { 14583 return mSettings.getInstallerPackageNameLPr(packageName); 14584 } 14585 } 14586 14587 @Override 14588 public int getApplicationEnabledSetting(String packageName, int userId) { 14589 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14590 int uid = Binder.getCallingUid(); 14591 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14592 // reader 14593 synchronized (mPackages) { 14594 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14595 } 14596 } 14597 14598 @Override 14599 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14600 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14601 int uid = Binder.getCallingUid(); 14602 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14603 // reader 14604 synchronized (mPackages) { 14605 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14606 } 14607 } 14608 14609 @Override 14610 public void enterSafeMode() { 14611 enforceSystemOrRoot("Only the system can request entering safe mode"); 14612 14613 if (!mSystemReady) { 14614 mSafeMode = true; 14615 } 14616 } 14617 14618 @Override 14619 public void systemReady() { 14620 mSystemReady = true; 14621 14622 // Read the compatibilty setting when the system is ready. 14623 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14624 mContext.getContentResolver(), 14625 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14626 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14627 if (DEBUG_SETTINGS) { 14628 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14629 } 14630 14631 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14632 14633 synchronized (mPackages) { 14634 // Verify that all of the preferred activity components actually 14635 // exist. It is possible for applications to be updated and at 14636 // that point remove a previously declared activity component that 14637 // had been set as a preferred activity. We try to clean this up 14638 // the next time we encounter that preferred activity, but it is 14639 // possible for the user flow to never be able to return to that 14640 // situation so here we do a sanity check to make sure we haven't 14641 // left any junk around. 14642 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14643 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14644 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14645 removed.clear(); 14646 for (PreferredActivity pa : pir.filterSet()) { 14647 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14648 removed.add(pa); 14649 } 14650 } 14651 if (removed.size() > 0) { 14652 for (int r=0; r<removed.size(); r++) { 14653 PreferredActivity pa = removed.get(r); 14654 Slog.w(TAG, "Removing dangling preferred activity: " 14655 + pa.mPref.mComponent); 14656 pir.removeFilter(pa); 14657 } 14658 mSettings.writePackageRestrictionsLPr( 14659 mSettings.mPreferredActivities.keyAt(i)); 14660 } 14661 } 14662 14663 for (int userId : UserManagerService.getInstance().getUserIds()) { 14664 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14665 grantPermissionsUserIds = ArrayUtils.appendInt( 14666 grantPermissionsUserIds, userId); 14667 } 14668 } 14669 } 14670 sUserManager.systemReady(); 14671 14672 // If we upgraded grant all default permissions before kicking off. 14673 for (int userId : grantPermissionsUserIds) { 14674 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14675 } 14676 14677 // Kick off any messages waiting for system ready 14678 if (mPostSystemReadyMessages != null) { 14679 for (Message msg : mPostSystemReadyMessages) { 14680 msg.sendToTarget(); 14681 } 14682 mPostSystemReadyMessages = null; 14683 } 14684 14685 // Watch for external volumes that come and go over time 14686 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14687 storage.registerListener(mStorageListener); 14688 14689 mInstallerService.systemReady(); 14690 mPackageDexOptimizer.systemReady(); 14691 14692 MountServiceInternal mountServiceInternal = LocalServices.getService( 14693 MountServiceInternal.class); 14694 mountServiceInternal.addExternalStoragePolicy( 14695 new MountServiceInternal.ExternalStorageMountPolicy() { 14696 @Override 14697 public int getMountMode(int uid, String packageName) { 14698 if (Process.isIsolated(uid)) { 14699 return Zygote.MOUNT_EXTERNAL_NONE; 14700 } 14701 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14702 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14703 } 14704 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14705 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14706 } 14707 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14708 return Zygote.MOUNT_EXTERNAL_READ; 14709 } 14710 return Zygote.MOUNT_EXTERNAL_WRITE; 14711 } 14712 14713 @Override 14714 public boolean hasExternalStorage(int uid, String packageName) { 14715 return true; 14716 } 14717 }); 14718 } 14719 14720 @Override 14721 public boolean isSafeMode() { 14722 return mSafeMode; 14723 } 14724 14725 @Override 14726 public boolean hasSystemUidErrors() { 14727 return mHasSystemUidErrors; 14728 } 14729 14730 static String arrayToString(int[] array) { 14731 StringBuffer buf = new StringBuffer(128); 14732 buf.append('['); 14733 if (array != null) { 14734 for (int i=0; i<array.length; i++) { 14735 if (i > 0) buf.append(", "); 14736 buf.append(array[i]); 14737 } 14738 } 14739 buf.append(']'); 14740 return buf.toString(); 14741 } 14742 14743 static class DumpState { 14744 public static final int DUMP_LIBS = 1 << 0; 14745 public static final int DUMP_FEATURES = 1 << 1; 14746 public static final int DUMP_RESOLVERS = 1 << 2; 14747 public static final int DUMP_PERMISSIONS = 1 << 3; 14748 public static final int DUMP_PACKAGES = 1 << 4; 14749 public static final int DUMP_SHARED_USERS = 1 << 5; 14750 public static final int DUMP_MESSAGES = 1 << 6; 14751 public static final int DUMP_PROVIDERS = 1 << 7; 14752 public static final int DUMP_VERIFIERS = 1 << 8; 14753 public static final int DUMP_PREFERRED = 1 << 9; 14754 public static final int DUMP_PREFERRED_XML = 1 << 10; 14755 public static final int DUMP_KEYSETS = 1 << 11; 14756 public static final int DUMP_VERSION = 1 << 12; 14757 public static final int DUMP_INSTALLS = 1 << 13; 14758 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14759 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14760 14761 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14762 14763 private int mTypes; 14764 14765 private int mOptions; 14766 14767 private boolean mTitlePrinted; 14768 14769 private SharedUserSetting mSharedUser; 14770 14771 public boolean isDumping(int type) { 14772 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14773 return true; 14774 } 14775 14776 return (mTypes & type) != 0; 14777 } 14778 14779 public void setDump(int type) { 14780 mTypes |= type; 14781 } 14782 14783 public boolean isOptionEnabled(int option) { 14784 return (mOptions & option) != 0; 14785 } 14786 14787 public void setOptionEnabled(int option) { 14788 mOptions |= option; 14789 } 14790 14791 public boolean onTitlePrinted() { 14792 final boolean printed = mTitlePrinted; 14793 mTitlePrinted = true; 14794 return printed; 14795 } 14796 14797 public boolean getTitlePrinted() { 14798 return mTitlePrinted; 14799 } 14800 14801 public void setTitlePrinted(boolean enabled) { 14802 mTitlePrinted = enabled; 14803 } 14804 14805 public SharedUserSetting getSharedUser() { 14806 return mSharedUser; 14807 } 14808 14809 public void setSharedUser(SharedUserSetting user) { 14810 mSharedUser = user; 14811 } 14812 } 14813 14814 @Override 14815 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14816 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14817 != PackageManager.PERMISSION_GRANTED) { 14818 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14819 + Binder.getCallingPid() 14820 + ", uid=" + Binder.getCallingUid() 14821 + " without permission " 14822 + android.Manifest.permission.DUMP); 14823 return; 14824 } 14825 14826 DumpState dumpState = new DumpState(); 14827 boolean fullPreferred = false; 14828 boolean checkin = false; 14829 14830 String packageName = null; 14831 ArraySet<String> permissionNames = null; 14832 14833 int opti = 0; 14834 while (opti < args.length) { 14835 String opt = args[opti]; 14836 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14837 break; 14838 } 14839 opti++; 14840 14841 if ("-a".equals(opt)) { 14842 // Right now we only know how to print all. 14843 } else if ("-h".equals(opt)) { 14844 pw.println("Package manager dump options:"); 14845 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14846 pw.println(" --checkin: dump for a checkin"); 14847 pw.println(" -f: print details of intent filters"); 14848 pw.println(" -h: print this help"); 14849 pw.println(" cmd may be one of:"); 14850 pw.println(" l[ibraries]: list known shared libraries"); 14851 pw.println(" f[ibraries]: list device features"); 14852 pw.println(" k[eysets]: print known keysets"); 14853 pw.println(" r[esolvers]: dump intent resolvers"); 14854 pw.println(" perm[issions]: dump permissions"); 14855 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14856 pw.println(" pref[erred]: print preferred package settings"); 14857 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14858 pw.println(" prov[iders]: dump content providers"); 14859 pw.println(" p[ackages]: dump installed packages"); 14860 pw.println(" s[hared-users]: dump shared user IDs"); 14861 pw.println(" m[essages]: print collected runtime messages"); 14862 pw.println(" v[erifiers]: print package verifier info"); 14863 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14864 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14865 pw.println(" version: print database version info"); 14866 pw.println(" write: write current settings now"); 14867 pw.println(" installs: details about install sessions"); 14868 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14869 pw.println(" <package.name>: info about given package"); 14870 return; 14871 } else if ("--checkin".equals(opt)) { 14872 checkin = true; 14873 } else if ("-f".equals(opt)) { 14874 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14875 } else { 14876 pw.println("Unknown argument: " + opt + "; use -h for help"); 14877 } 14878 } 14879 14880 // Is the caller requesting to dump a particular piece of data? 14881 if (opti < args.length) { 14882 String cmd = args[opti]; 14883 opti++; 14884 // Is this a package name? 14885 if ("android".equals(cmd) || cmd.contains(".")) { 14886 packageName = cmd; 14887 // When dumping a single package, we always dump all of its 14888 // filter information since the amount of data will be reasonable. 14889 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14890 } else if ("check-permission".equals(cmd)) { 14891 if (opti >= args.length) { 14892 pw.println("Error: check-permission missing permission argument"); 14893 return; 14894 } 14895 String perm = args[opti]; 14896 opti++; 14897 if (opti >= args.length) { 14898 pw.println("Error: check-permission missing package argument"); 14899 return; 14900 } 14901 String pkg = args[opti]; 14902 opti++; 14903 int user = UserHandle.getUserId(Binder.getCallingUid()); 14904 if (opti < args.length) { 14905 try { 14906 user = Integer.parseInt(args[opti]); 14907 } catch (NumberFormatException e) { 14908 pw.println("Error: check-permission user argument is not a number: " 14909 + args[opti]); 14910 return; 14911 } 14912 } 14913 pw.println(checkPermission(perm, pkg, user)); 14914 return; 14915 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14916 dumpState.setDump(DumpState.DUMP_LIBS); 14917 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14918 dumpState.setDump(DumpState.DUMP_FEATURES); 14919 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14920 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14921 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14922 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14923 } else if ("permission".equals(cmd)) { 14924 if (opti >= args.length) { 14925 pw.println("Error: permission requires permission name"); 14926 return; 14927 } 14928 permissionNames = new ArraySet<>(); 14929 while (opti < args.length) { 14930 permissionNames.add(args[opti]); 14931 opti++; 14932 } 14933 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14934 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14935 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14936 dumpState.setDump(DumpState.DUMP_PREFERRED); 14937 } else if ("preferred-xml".equals(cmd)) { 14938 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14939 if (opti < args.length && "--full".equals(args[opti])) { 14940 fullPreferred = true; 14941 opti++; 14942 } 14943 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14944 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14945 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14946 dumpState.setDump(DumpState.DUMP_PACKAGES); 14947 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14948 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14949 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14950 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14951 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14952 dumpState.setDump(DumpState.DUMP_MESSAGES); 14953 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14954 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14955 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14956 || "intent-filter-verifiers".equals(cmd)) { 14957 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14958 } else if ("version".equals(cmd)) { 14959 dumpState.setDump(DumpState.DUMP_VERSION); 14960 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14961 dumpState.setDump(DumpState.DUMP_KEYSETS); 14962 } else if ("installs".equals(cmd)) { 14963 dumpState.setDump(DumpState.DUMP_INSTALLS); 14964 } else if ("write".equals(cmd)) { 14965 synchronized (mPackages) { 14966 mSettings.writeLPr(); 14967 pw.println("Settings written."); 14968 return; 14969 } 14970 } 14971 } 14972 14973 if (checkin) { 14974 pw.println("vers,1"); 14975 } 14976 14977 // reader 14978 synchronized (mPackages) { 14979 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14980 if (!checkin) { 14981 if (dumpState.onTitlePrinted()) 14982 pw.println(); 14983 pw.println("Database versions:"); 14984 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 14985 } 14986 } 14987 14988 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14989 if (!checkin) { 14990 if (dumpState.onTitlePrinted()) 14991 pw.println(); 14992 pw.println("Verifiers:"); 14993 pw.print(" Required: "); 14994 pw.print(mRequiredVerifierPackage); 14995 pw.print(" (uid="); 14996 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14997 pw.println(")"); 14998 } else if (mRequiredVerifierPackage != null) { 14999 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15000 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15001 } 15002 } 15003 15004 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15005 packageName == null) { 15006 if (mIntentFilterVerifierComponent != null) { 15007 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15008 if (!checkin) { 15009 if (dumpState.onTitlePrinted()) 15010 pw.println(); 15011 pw.println("Intent Filter Verifier:"); 15012 pw.print(" Using: "); 15013 pw.print(verifierPackageName); 15014 pw.print(" (uid="); 15015 pw.print(getPackageUid(verifierPackageName, 0)); 15016 pw.println(")"); 15017 } else if (verifierPackageName != null) { 15018 pw.print("ifv,"); pw.print(verifierPackageName); 15019 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15020 } 15021 } else { 15022 pw.println(); 15023 pw.println("No Intent Filter Verifier available!"); 15024 } 15025 } 15026 15027 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15028 boolean printedHeader = false; 15029 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15030 while (it.hasNext()) { 15031 String name = it.next(); 15032 SharedLibraryEntry ent = mSharedLibraries.get(name); 15033 if (!checkin) { 15034 if (!printedHeader) { 15035 if (dumpState.onTitlePrinted()) 15036 pw.println(); 15037 pw.println("Libraries:"); 15038 printedHeader = true; 15039 } 15040 pw.print(" "); 15041 } else { 15042 pw.print("lib,"); 15043 } 15044 pw.print(name); 15045 if (!checkin) { 15046 pw.print(" -> "); 15047 } 15048 if (ent.path != null) { 15049 if (!checkin) { 15050 pw.print("(jar) "); 15051 pw.print(ent.path); 15052 } else { 15053 pw.print(",jar,"); 15054 pw.print(ent.path); 15055 } 15056 } else { 15057 if (!checkin) { 15058 pw.print("(apk) "); 15059 pw.print(ent.apk); 15060 } else { 15061 pw.print(",apk,"); 15062 pw.print(ent.apk); 15063 } 15064 } 15065 pw.println(); 15066 } 15067 } 15068 15069 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15070 if (dumpState.onTitlePrinted()) 15071 pw.println(); 15072 if (!checkin) { 15073 pw.println("Features:"); 15074 } 15075 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15076 while (it.hasNext()) { 15077 String name = it.next(); 15078 if (!checkin) { 15079 pw.print(" "); 15080 } else { 15081 pw.print("feat,"); 15082 } 15083 pw.println(name); 15084 } 15085 } 15086 15087 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15088 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15089 : "Activity Resolver Table:", " ", packageName, 15090 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15091 dumpState.setTitlePrinted(true); 15092 } 15093 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15094 : "Receiver Resolver Table:", " ", packageName, 15095 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15096 dumpState.setTitlePrinted(true); 15097 } 15098 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15099 : "Service Resolver Table:", " ", packageName, 15100 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15101 dumpState.setTitlePrinted(true); 15102 } 15103 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15104 : "Provider Resolver Table:", " ", packageName, 15105 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15106 dumpState.setTitlePrinted(true); 15107 } 15108 } 15109 15110 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15111 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15112 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15113 int user = mSettings.mPreferredActivities.keyAt(i); 15114 if (pir.dump(pw, 15115 dumpState.getTitlePrinted() 15116 ? "\nPreferred Activities User " + user + ":" 15117 : "Preferred Activities User " + user + ":", " ", 15118 packageName, true, false)) { 15119 dumpState.setTitlePrinted(true); 15120 } 15121 } 15122 } 15123 15124 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15125 pw.flush(); 15126 FileOutputStream fout = new FileOutputStream(fd); 15127 BufferedOutputStream str = new BufferedOutputStream(fout); 15128 XmlSerializer serializer = new FastXmlSerializer(); 15129 try { 15130 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15131 serializer.startDocument(null, true); 15132 serializer.setFeature( 15133 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15134 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15135 serializer.endDocument(); 15136 serializer.flush(); 15137 } catch (IllegalArgumentException e) { 15138 pw.println("Failed writing: " + e); 15139 } catch (IllegalStateException e) { 15140 pw.println("Failed writing: " + e); 15141 } catch (IOException e) { 15142 pw.println("Failed writing: " + e); 15143 } 15144 } 15145 15146 if (!checkin 15147 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15148 && packageName == null) { 15149 pw.println(); 15150 int count = mSettings.mPackages.size(); 15151 if (count == 0) { 15152 pw.println("No applications!"); 15153 pw.println(); 15154 } else { 15155 final String prefix = " "; 15156 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15157 if (allPackageSettings.size() == 0) { 15158 pw.println("No domain preferred apps!"); 15159 pw.println(); 15160 } else { 15161 pw.println("App verification status:"); 15162 pw.println(); 15163 count = 0; 15164 for (PackageSetting ps : allPackageSettings) { 15165 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15166 if (ivi == null || ivi.getPackageName() == null) continue; 15167 pw.println(prefix + "Package: " + ivi.getPackageName()); 15168 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15169 pw.println(prefix + "Status: " + ivi.getStatusString()); 15170 pw.println(); 15171 count++; 15172 } 15173 if (count == 0) { 15174 pw.println(prefix + "No app verification established."); 15175 pw.println(); 15176 } 15177 for (int userId : sUserManager.getUserIds()) { 15178 pw.println("App linkages for user " + userId + ":"); 15179 pw.println(); 15180 count = 0; 15181 for (PackageSetting ps : allPackageSettings) { 15182 final long status = ps.getDomainVerificationStatusForUser(userId); 15183 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15184 continue; 15185 } 15186 pw.println(prefix + "Package: " + ps.name); 15187 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15188 String statusStr = IntentFilterVerificationInfo. 15189 getStatusStringFromValue(status); 15190 pw.println(prefix + "Status: " + statusStr); 15191 pw.println(); 15192 count++; 15193 } 15194 if (count == 0) { 15195 pw.println(prefix + "No configured app linkages."); 15196 pw.println(); 15197 } 15198 } 15199 } 15200 } 15201 } 15202 15203 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15204 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15205 if (packageName == null && permissionNames == null) { 15206 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15207 if (iperm == 0) { 15208 if (dumpState.onTitlePrinted()) 15209 pw.println(); 15210 pw.println("AppOp Permissions:"); 15211 } 15212 pw.print(" AppOp Permission "); 15213 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15214 pw.println(":"); 15215 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15216 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15217 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15218 } 15219 } 15220 } 15221 } 15222 15223 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15224 boolean printedSomething = false; 15225 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15226 if (packageName != null && !packageName.equals(p.info.packageName)) { 15227 continue; 15228 } 15229 if (!printedSomething) { 15230 if (dumpState.onTitlePrinted()) 15231 pw.println(); 15232 pw.println("Registered ContentProviders:"); 15233 printedSomething = true; 15234 } 15235 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15236 pw.print(" "); pw.println(p.toString()); 15237 } 15238 printedSomething = false; 15239 for (Map.Entry<String, PackageParser.Provider> entry : 15240 mProvidersByAuthority.entrySet()) { 15241 PackageParser.Provider p = entry.getValue(); 15242 if (packageName != null && !packageName.equals(p.info.packageName)) { 15243 continue; 15244 } 15245 if (!printedSomething) { 15246 if (dumpState.onTitlePrinted()) 15247 pw.println(); 15248 pw.println("ContentProvider Authorities:"); 15249 printedSomething = true; 15250 } 15251 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15252 pw.print(" "); pw.println(p.toString()); 15253 if (p.info != null && p.info.applicationInfo != null) { 15254 final String appInfo = p.info.applicationInfo.toString(); 15255 pw.print(" applicationInfo="); pw.println(appInfo); 15256 } 15257 } 15258 } 15259 15260 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15261 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15262 } 15263 15264 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15265 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15266 } 15267 15268 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15269 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15270 } 15271 15272 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15273 // XXX should handle packageName != null by dumping only install data that 15274 // the given package is involved with. 15275 if (dumpState.onTitlePrinted()) pw.println(); 15276 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15277 } 15278 15279 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15280 if (dumpState.onTitlePrinted()) pw.println(); 15281 mSettings.dumpReadMessagesLPr(pw, dumpState); 15282 15283 pw.println(); 15284 pw.println("Package warning messages:"); 15285 BufferedReader in = null; 15286 String line = null; 15287 try { 15288 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15289 while ((line = in.readLine()) != null) { 15290 if (line.contains("ignored: updated version")) continue; 15291 pw.println(line); 15292 } 15293 } catch (IOException ignored) { 15294 } finally { 15295 IoUtils.closeQuietly(in); 15296 } 15297 } 15298 15299 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15300 BufferedReader in = null; 15301 String line = null; 15302 try { 15303 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15304 while ((line = in.readLine()) != null) { 15305 if (line.contains("ignored: updated version")) continue; 15306 pw.print("msg,"); 15307 pw.println(line); 15308 } 15309 } catch (IOException ignored) { 15310 } finally { 15311 IoUtils.closeQuietly(in); 15312 } 15313 } 15314 } 15315 } 15316 15317 private String dumpDomainString(String packageName) { 15318 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15319 List<IntentFilter> filters = getAllIntentFilters(packageName); 15320 15321 ArraySet<String> result = new ArraySet<>(); 15322 if (iviList.size() > 0) { 15323 for (IntentFilterVerificationInfo ivi : iviList) { 15324 for (String host : ivi.getDomains()) { 15325 result.add(host); 15326 } 15327 } 15328 } 15329 if (filters != null && filters.size() > 0) { 15330 for (IntentFilter filter : filters) { 15331 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15332 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15333 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15334 result.addAll(filter.getHostsList()); 15335 } 15336 } 15337 } 15338 15339 StringBuilder sb = new StringBuilder(result.size() * 16); 15340 for (String domain : result) { 15341 if (sb.length() > 0) sb.append(" "); 15342 sb.append(domain); 15343 } 15344 return sb.toString(); 15345 } 15346 15347 // ------- apps on sdcard specific code ------- 15348 static final boolean DEBUG_SD_INSTALL = false; 15349 15350 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15351 15352 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15353 15354 private boolean mMediaMounted = false; 15355 15356 static String getEncryptKey() { 15357 try { 15358 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15359 SD_ENCRYPTION_KEYSTORE_NAME); 15360 if (sdEncKey == null) { 15361 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15362 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15363 if (sdEncKey == null) { 15364 Slog.e(TAG, "Failed to create encryption keys"); 15365 return null; 15366 } 15367 } 15368 return sdEncKey; 15369 } catch (NoSuchAlgorithmException nsae) { 15370 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15371 return null; 15372 } catch (IOException ioe) { 15373 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15374 return null; 15375 } 15376 } 15377 15378 /* 15379 * Update media status on PackageManager. 15380 */ 15381 @Override 15382 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15383 int callingUid = Binder.getCallingUid(); 15384 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15385 throw new SecurityException("Media status can only be updated by the system"); 15386 } 15387 // reader; this apparently protects mMediaMounted, but should probably 15388 // be a different lock in that case. 15389 synchronized (mPackages) { 15390 Log.i(TAG, "Updating external media status from " 15391 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15392 + (mediaStatus ? "mounted" : "unmounted")); 15393 if (DEBUG_SD_INSTALL) 15394 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15395 + ", mMediaMounted=" + mMediaMounted); 15396 if (mediaStatus == mMediaMounted) { 15397 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15398 : 0, -1); 15399 mHandler.sendMessage(msg); 15400 return; 15401 } 15402 mMediaMounted = mediaStatus; 15403 } 15404 // Queue up an async operation since the package installation may take a 15405 // little while. 15406 mHandler.post(new Runnable() { 15407 public void run() { 15408 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15409 } 15410 }); 15411 } 15412 15413 /** 15414 * Called by MountService when the initial ASECs to scan are available. 15415 * Should block until all the ASEC containers are finished being scanned. 15416 */ 15417 public void scanAvailableAsecs() { 15418 updateExternalMediaStatusInner(true, false, false); 15419 if (mShouldRestoreconData) { 15420 SELinuxMMAC.setRestoreconDone(); 15421 mShouldRestoreconData = false; 15422 } 15423 } 15424 15425 /* 15426 * Collect information of applications on external media, map them against 15427 * existing containers and update information based on current mount status. 15428 * Please note that we always have to report status if reportStatus has been 15429 * set to true especially when unloading packages. 15430 */ 15431 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15432 boolean externalStorage) { 15433 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15434 int[] uidArr = EmptyArray.INT; 15435 15436 final String[] list = PackageHelper.getSecureContainerList(); 15437 if (ArrayUtils.isEmpty(list)) { 15438 Log.i(TAG, "No secure containers found"); 15439 } else { 15440 // Process list of secure containers and categorize them 15441 // as active or stale based on their package internal state. 15442 15443 // reader 15444 synchronized (mPackages) { 15445 for (String cid : list) { 15446 // Leave stages untouched for now; installer service owns them 15447 if (PackageInstallerService.isStageName(cid)) continue; 15448 15449 if (DEBUG_SD_INSTALL) 15450 Log.i(TAG, "Processing container " + cid); 15451 String pkgName = getAsecPackageName(cid); 15452 if (pkgName == null) { 15453 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15454 continue; 15455 } 15456 if (DEBUG_SD_INSTALL) 15457 Log.i(TAG, "Looking for pkg : " + pkgName); 15458 15459 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15460 if (ps == null) { 15461 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15462 continue; 15463 } 15464 15465 /* 15466 * Skip packages that are not external if we're unmounting 15467 * external storage. 15468 */ 15469 if (externalStorage && !isMounted && !isExternal(ps)) { 15470 continue; 15471 } 15472 15473 final AsecInstallArgs args = new AsecInstallArgs(cid, 15474 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15475 // The package status is changed only if the code path 15476 // matches between settings and the container id. 15477 if (ps.codePathString != null 15478 && ps.codePathString.startsWith(args.getCodePath())) { 15479 if (DEBUG_SD_INSTALL) { 15480 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15481 + " at code path: " + ps.codePathString); 15482 } 15483 15484 // We do have a valid package installed on sdcard 15485 processCids.put(args, ps.codePathString); 15486 final int uid = ps.appId; 15487 if (uid != -1) { 15488 uidArr = ArrayUtils.appendInt(uidArr, uid); 15489 } 15490 } else { 15491 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15492 + ps.codePathString); 15493 } 15494 } 15495 } 15496 15497 Arrays.sort(uidArr); 15498 } 15499 15500 // Process packages with valid entries. 15501 if (isMounted) { 15502 if (DEBUG_SD_INSTALL) 15503 Log.i(TAG, "Loading packages"); 15504 loadMediaPackages(processCids, uidArr); 15505 startCleaningPackages(); 15506 mInstallerService.onSecureContainersAvailable(); 15507 } else { 15508 if (DEBUG_SD_INSTALL) 15509 Log.i(TAG, "Unloading packages"); 15510 unloadMediaPackages(processCids, uidArr, reportStatus); 15511 } 15512 } 15513 15514 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15515 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15516 final int size = infos.size(); 15517 final String[] packageNames = new String[size]; 15518 final int[] packageUids = new int[size]; 15519 for (int i = 0; i < size; i++) { 15520 final ApplicationInfo info = infos.get(i); 15521 packageNames[i] = info.packageName; 15522 packageUids[i] = info.uid; 15523 } 15524 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15525 finishedReceiver); 15526 } 15527 15528 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15529 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15530 sendResourcesChangedBroadcast(mediaStatus, replacing, 15531 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15532 } 15533 15534 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15535 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15536 int size = pkgList.length; 15537 if (size > 0) { 15538 // Send broadcasts here 15539 Bundle extras = new Bundle(); 15540 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15541 if (uidArr != null) { 15542 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15543 } 15544 if (replacing) { 15545 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15546 } 15547 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15548 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15549 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15550 } 15551 } 15552 15553 /* 15554 * Look at potentially valid container ids from processCids If package 15555 * information doesn't match the one on record or package scanning fails, 15556 * the cid is added to list of removeCids. We currently don't delete stale 15557 * containers. 15558 */ 15559 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15560 ArrayList<String> pkgList = new ArrayList<String>(); 15561 Set<AsecInstallArgs> keys = processCids.keySet(); 15562 15563 for (AsecInstallArgs args : keys) { 15564 String codePath = processCids.get(args); 15565 if (DEBUG_SD_INSTALL) 15566 Log.i(TAG, "Loading container : " + args.cid); 15567 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15568 try { 15569 // Make sure there are no container errors first. 15570 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15571 Slog.e(TAG, "Failed to mount cid : " + args.cid 15572 + " when installing from sdcard"); 15573 continue; 15574 } 15575 // Check code path here. 15576 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15577 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15578 + " does not match one in settings " + codePath); 15579 continue; 15580 } 15581 // Parse package 15582 int parseFlags = mDefParseFlags; 15583 if (args.isExternalAsec()) { 15584 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15585 } 15586 if (args.isFwdLocked()) { 15587 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15588 } 15589 15590 synchronized (mInstallLock) { 15591 PackageParser.Package pkg = null; 15592 try { 15593 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15594 } catch (PackageManagerException e) { 15595 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15596 } 15597 // Scan the package 15598 if (pkg != null) { 15599 /* 15600 * TODO why is the lock being held? doPostInstall is 15601 * called in other places without the lock. This needs 15602 * to be straightened out. 15603 */ 15604 // writer 15605 synchronized (mPackages) { 15606 retCode = PackageManager.INSTALL_SUCCEEDED; 15607 pkgList.add(pkg.packageName); 15608 // Post process args 15609 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15610 pkg.applicationInfo.uid); 15611 } 15612 } else { 15613 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15614 } 15615 } 15616 15617 } finally { 15618 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15619 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15620 } 15621 } 15622 } 15623 // writer 15624 synchronized (mPackages) { 15625 // If the platform SDK has changed since the last time we booted, 15626 // we need to re-grant app permission to catch any new ones that 15627 // appear. This is really a hack, and means that apps can in some 15628 // cases get permissions that the user didn't initially explicitly 15629 // allow... it would be nice to have some better way to handle 15630 // this situation. 15631 final VersionInfo ver = mSettings.getExternalVersion(); 15632 15633 int updateFlags = UPDATE_PERMISSIONS_ALL; 15634 if (ver.sdkVersion != mSdkVersion) { 15635 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15636 + mSdkVersion + "; regranting permissions for external"); 15637 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15638 } 15639 updatePermissionsLPw(null, null, updateFlags); 15640 15641 // Yay, everything is now upgraded 15642 ver.forceCurrent(); 15643 15644 // can downgrade to reader 15645 // Persist settings 15646 mSettings.writeLPr(); 15647 } 15648 // Send a broadcast to let everyone know we are done processing 15649 if (pkgList.size() > 0) { 15650 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15651 } 15652 } 15653 15654 /* 15655 * Utility method to unload a list of specified containers 15656 */ 15657 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15658 // Just unmount all valid containers. 15659 for (AsecInstallArgs arg : cidArgs) { 15660 synchronized (mInstallLock) { 15661 arg.doPostDeleteLI(false); 15662 } 15663 } 15664 } 15665 15666 /* 15667 * Unload packages mounted on external media. This involves deleting package 15668 * data from internal structures, sending broadcasts about diabled packages, 15669 * gc'ing to free up references, unmounting all secure containers 15670 * corresponding to packages on external media, and posting a 15671 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15672 * that we always have to post this message if status has been requested no 15673 * matter what. 15674 */ 15675 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15676 final boolean reportStatus) { 15677 if (DEBUG_SD_INSTALL) 15678 Log.i(TAG, "unloading media packages"); 15679 ArrayList<String> pkgList = new ArrayList<String>(); 15680 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15681 final Set<AsecInstallArgs> keys = processCids.keySet(); 15682 for (AsecInstallArgs args : keys) { 15683 String pkgName = args.getPackageName(); 15684 if (DEBUG_SD_INSTALL) 15685 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15686 // Delete package internally 15687 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15688 synchronized (mInstallLock) { 15689 boolean res = deletePackageLI(pkgName, null, false, null, null, 15690 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15691 if (res) { 15692 pkgList.add(pkgName); 15693 } else { 15694 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15695 failedList.add(args); 15696 } 15697 } 15698 } 15699 15700 // reader 15701 synchronized (mPackages) { 15702 // We didn't update the settings after removing each package; 15703 // write them now for all packages. 15704 mSettings.writeLPr(); 15705 } 15706 15707 // We have to absolutely send UPDATED_MEDIA_STATUS only 15708 // after confirming that all the receivers processed the ordered 15709 // broadcast when packages get disabled, force a gc to clean things up. 15710 // and unload all the containers. 15711 if (pkgList.size() > 0) { 15712 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15713 new IIntentReceiver.Stub() { 15714 public void performReceive(Intent intent, int resultCode, String data, 15715 Bundle extras, boolean ordered, boolean sticky, 15716 int sendingUser) throws RemoteException { 15717 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15718 reportStatus ? 1 : 0, 1, keys); 15719 mHandler.sendMessage(msg); 15720 } 15721 }); 15722 } else { 15723 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15724 keys); 15725 mHandler.sendMessage(msg); 15726 } 15727 } 15728 15729 private void loadPrivatePackages(final VolumeInfo vol) { 15730 mHandler.post(new Runnable() { 15731 @Override 15732 public void run() { 15733 loadPrivatePackagesInner(vol); 15734 } 15735 }); 15736 } 15737 15738 private void loadPrivatePackagesInner(VolumeInfo vol) { 15739 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15740 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15741 15742 final VersionInfo ver; 15743 final List<PackageSetting> packages; 15744 synchronized (mPackages) { 15745 ver = mSettings.findOrCreateVersion(vol.fsUuid); 15746 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15747 } 15748 15749 for (PackageSetting ps : packages) { 15750 synchronized (mInstallLock) { 15751 final PackageParser.Package pkg; 15752 try { 15753 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15754 loaded.add(pkg.applicationInfo); 15755 } catch (PackageManagerException e) { 15756 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15757 } 15758 15759 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15760 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15761 } 15762 } 15763 } 15764 15765 synchronized (mPackages) { 15766 int updateFlags = UPDATE_PERMISSIONS_ALL; 15767 if (ver.sdkVersion != mSdkVersion) { 15768 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15769 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15770 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15771 } 15772 updatePermissionsLPw(null, null, updateFlags); 15773 15774 // Yay, everything is now upgraded 15775 ver.forceCurrent(); 15776 15777 mSettings.writeLPr(); 15778 } 15779 15780 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15781 sendResourcesChangedBroadcast(true, false, loaded, null); 15782 } 15783 15784 private void unloadPrivatePackages(final VolumeInfo vol) { 15785 mHandler.post(new Runnable() { 15786 @Override 15787 public void run() { 15788 unloadPrivatePackagesInner(vol); 15789 } 15790 }); 15791 } 15792 15793 private void unloadPrivatePackagesInner(VolumeInfo vol) { 15794 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15795 synchronized (mInstallLock) { 15796 synchronized (mPackages) { 15797 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15798 for (PackageSetting ps : packages) { 15799 if (ps.pkg == null) continue; 15800 15801 final ApplicationInfo info = ps.pkg.applicationInfo; 15802 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15803 if (deletePackageLI(ps.name, null, false, null, null, 15804 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15805 unloaded.add(info); 15806 } else { 15807 Slog.w(TAG, "Failed to unload " + ps.codePath); 15808 } 15809 } 15810 15811 mSettings.writeLPr(); 15812 } 15813 } 15814 15815 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15816 sendResourcesChangedBroadcast(false, false, unloaded, null); 15817 } 15818 15819 /** 15820 * Examine all users present on given mounted volume, and destroy data 15821 * belonging to users that are no longer valid, or whose user ID has been 15822 * recycled. 15823 */ 15824 private void reconcileUsers(String volumeUuid) { 15825 final File[] files = FileUtils 15826 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15827 for (File file : files) { 15828 if (!file.isDirectory()) continue; 15829 15830 final int userId; 15831 final UserInfo info; 15832 try { 15833 userId = Integer.parseInt(file.getName()); 15834 info = sUserManager.getUserInfo(userId); 15835 } catch (NumberFormatException e) { 15836 Slog.w(TAG, "Invalid user directory " + file); 15837 continue; 15838 } 15839 15840 boolean destroyUser = false; 15841 if (info == null) { 15842 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15843 + " because no matching user was found"); 15844 destroyUser = true; 15845 } else { 15846 try { 15847 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15848 } catch (IOException e) { 15849 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15850 + " because we failed to enforce serial number: " + e); 15851 destroyUser = true; 15852 } 15853 } 15854 15855 if (destroyUser) { 15856 synchronized (mInstallLock) { 15857 mInstaller.removeUserDataDirs(volumeUuid, userId); 15858 } 15859 } 15860 } 15861 15862 final UserManager um = mContext.getSystemService(UserManager.class); 15863 for (UserInfo user : um.getUsers()) { 15864 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15865 if (userDir.exists()) continue; 15866 15867 try { 15868 UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id); 15869 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15870 } catch (IOException e) { 15871 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15872 } 15873 } 15874 } 15875 15876 /** 15877 * Examine all apps present on given mounted volume, and destroy apps that 15878 * aren't expected, either due to uninstallation or reinstallation on 15879 * another volume. 15880 */ 15881 private void reconcileApps(String volumeUuid) { 15882 final File[] files = FileUtils 15883 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15884 for (File file : files) { 15885 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15886 && !PackageInstallerService.isStageName(file.getName()); 15887 if (!isPackage) { 15888 // Ignore entries which are not packages 15889 continue; 15890 } 15891 15892 boolean destroyApp = false; 15893 String packageName = null; 15894 try { 15895 final PackageLite pkg = PackageParser.parsePackageLite(file, 15896 PackageParser.PARSE_MUST_BE_APK); 15897 packageName = pkg.packageName; 15898 15899 synchronized (mPackages) { 15900 final PackageSetting ps = mSettings.mPackages.get(packageName); 15901 if (ps == null) { 15902 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15903 + volumeUuid + " because we found no install record"); 15904 destroyApp = true; 15905 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15906 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15907 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15908 destroyApp = true; 15909 } 15910 } 15911 15912 } catch (PackageParserException e) { 15913 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15914 destroyApp = true; 15915 } 15916 15917 if (destroyApp) { 15918 synchronized (mInstallLock) { 15919 if (packageName != null) { 15920 removeDataDirsLI(volumeUuid, packageName); 15921 } 15922 if (file.isDirectory()) { 15923 mInstaller.rmPackageDir(file.getAbsolutePath()); 15924 } else { 15925 file.delete(); 15926 } 15927 } 15928 } 15929 } 15930 } 15931 15932 private void unfreezePackage(String packageName) { 15933 synchronized (mPackages) { 15934 final PackageSetting ps = mSettings.mPackages.get(packageName); 15935 if (ps != null) { 15936 ps.frozen = false; 15937 } 15938 } 15939 } 15940 15941 @Override 15942 public int movePackage(final String packageName, final String volumeUuid) { 15943 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15944 15945 final int moveId = mNextMoveId.getAndIncrement(); 15946 try { 15947 movePackageInternal(packageName, volumeUuid, moveId); 15948 } catch (PackageManagerException e) { 15949 Slog.w(TAG, "Failed to move " + packageName, e); 15950 mMoveCallbacks.notifyStatusChanged(moveId, 15951 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15952 } 15953 return moveId; 15954 } 15955 15956 private void movePackageInternal(final String packageName, final String volumeUuid, 15957 final int moveId) throws PackageManagerException { 15958 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15959 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15960 final PackageManager pm = mContext.getPackageManager(); 15961 15962 final boolean currentAsec; 15963 final String currentVolumeUuid; 15964 final File codeFile; 15965 final String installerPackageName; 15966 final String packageAbiOverride; 15967 final int appId; 15968 final String seinfo; 15969 final String label; 15970 15971 // reader 15972 synchronized (mPackages) { 15973 final PackageParser.Package pkg = mPackages.get(packageName); 15974 final PackageSetting ps = mSettings.mPackages.get(packageName); 15975 if (pkg == null || ps == null) { 15976 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15977 } 15978 15979 if (pkg.applicationInfo.isSystemApp()) { 15980 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15981 "Cannot move system application"); 15982 } 15983 15984 if (pkg.applicationInfo.isExternalAsec()) { 15985 currentAsec = true; 15986 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 15987 } else if (pkg.applicationInfo.isForwardLocked()) { 15988 currentAsec = true; 15989 currentVolumeUuid = "forward_locked"; 15990 } else { 15991 currentAsec = false; 15992 currentVolumeUuid = ps.volumeUuid; 15993 15994 final File probe = new File(pkg.codePath); 15995 final File probeOat = new File(probe, "oat"); 15996 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15997 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15998 "Move only supported for modern cluster style installs"); 15999 } 16000 } 16001 16002 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16003 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16004 "Package already moved to " + volumeUuid); 16005 } 16006 16007 if (ps.frozen) { 16008 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16009 "Failed to move already frozen package"); 16010 } 16011 ps.frozen = true; 16012 16013 codeFile = new File(pkg.codePath); 16014 installerPackageName = ps.installerPackageName; 16015 packageAbiOverride = ps.cpuAbiOverrideString; 16016 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16017 seinfo = pkg.applicationInfo.seinfo; 16018 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16019 } 16020 16021 // Now that we're guarded by frozen state, kill app during move 16022 final long token = Binder.clearCallingIdentity(); 16023 try { 16024 killApplication(packageName, appId, "move pkg"); 16025 } finally { 16026 Binder.restoreCallingIdentity(token); 16027 } 16028 16029 final Bundle extras = new Bundle(); 16030 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16031 extras.putString(Intent.EXTRA_TITLE, label); 16032 mMoveCallbacks.notifyCreated(moveId, extras); 16033 16034 int installFlags; 16035 final boolean moveCompleteApp; 16036 final File measurePath; 16037 16038 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16039 installFlags = INSTALL_INTERNAL; 16040 moveCompleteApp = !currentAsec; 16041 measurePath = Environment.getDataAppDirectory(volumeUuid); 16042 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16043 installFlags = INSTALL_EXTERNAL; 16044 moveCompleteApp = false; 16045 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16046 } else { 16047 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16048 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16049 || !volume.isMountedWritable()) { 16050 unfreezePackage(packageName); 16051 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16052 "Move location not mounted private volume"); 16053 } 16054 16055 Preconditions.checkState(!currentAsec); 16056 16057 installFlags = INSTALL_INTERNAL; 16058 moveCompleteApp = true; 16059 measurePath = Environment.getDataAppDirectory(volumeUuid); 16060 } 16061 16062 final PackageStats stats = new PackageStats(null, -1); 16063 synchronized (mInstaller) { 16064 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16065 unfreezePackage(packageName); 16066 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16067 "Failed to measure package size"); 16068 } 16069 } 16070 16071 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16072 + stats.dataSize); 16073 16074 final long startFreeBytes = measurePath.getFreeSpace(); 16075 final long sizeBytes; 16076 if (moveCompleteApp) { 16077 sizeBytes = stats.codeSize + stats.dataSize; 16078 } else { 16079 sizeBytes = stats.codeSize; 16080 } 16081 16082 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16083 unfreezePackage(packageName); 16084 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16085 "Not enough free space to move"); 16086 } 16087 16088 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16089 16090 final CountDownLatch installedLatch = new CountDownLatch(1); 16091 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16092 @Override 16093 public void onUserActionRequired(Intent intent) throws RemoteException { 16094 throw new IllegalStateException(); 16095 } 16096 16097 @Override 16098 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16099 Bundle extras) throws RemoteException { 16100 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16101 + PackageManager.installStatusToString(returnCode, msg)); 16102 16103 installedLatch.countDown(); 16104 16105 // Regardless of success or failure of the move operation, 16106 // always unfreeze the package 16107 unfreezePackage(packageName); 16108 16109 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16110 switch (status) { 16111 case PackageInstaller.STATUS_SUCCESS: 16112 mMoveCallbacks.notifyStatusChanged(moveId, 16113 PackageManager.MOVE_SUCCEEDED); 16114 break; 16115 case PackageInstaller.STATUS_FAILURE_STORAGE: 16116 mMoveCallbacks.notifyStatusChanged(moveId, 16117 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16118 break; 16119 default: 16120 mMoveCallbacks.notifyStatusChanged(moveId, 16121 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16122 break; 16123 } 16124 } 16125 }; 16126 16127 final MoveInfo move; 16128 if (moveCompleteApp) { 16129 // Kick off a thread to report progress estimates 16130 new Thread() { 16131 @Override 16132 public void run() { 16133 while (true) { 16134 try { 16135 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16136 break; 16137 } 16138 } catch (InterruptedException ignored) { 16139 } 16140 16141 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16142 final int progress = 10 + (int) MathUtils.constrain( 16143 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16144 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16145 } 16146 } 16147 }.start(); 16148 16149 final String dataAppName = codeFile.getName(); 16150 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16151 dataAppName, appId, seinfo); 16152 } else { 16153 move = null; 16154 } 16155 16156 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16157 16158 final Message msg = mHandler.obtainMessage(INIT_COPY); 16159 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16160 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 16161 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16162 mHandler.sendMessage(msg); 16163 } 16164 16165 @Override 16166 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16167 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16168 16169 final int realMoveId = mNextMoveId.getAndIncrement(); 16170 final Bundle extras = new Bundle(); 16171 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16172 mMoveCallbacks.notifyCreated(realMoveId, extras); 16173 16174 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16175 @Override 16176 public void onCreated(int moveId, Bundle extras) { 16177 // Ignored 16178 } 16179 16180 @Override 16181 public void onStatusChanged(int moveId, int status, long estMillis) { 16182 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16183 } 16184 }; 16185 16186 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16187 storage.setPrimaryStorageUuid(volumeUuid, callback); 16188 return realMoveId; 16189 } 16190 16191 @Override 16192 public int getMoveStatus(int moveId) { 16193 mContext.enforceCallingOrSelfPermission( 16194 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16195 return mMoveCallbacks.mLastStatus.get(moveId); 16196 } 16197 16198 @Override 16199 public void registerMoveCallback(IPackageMoveObserver callback) { 16200 mContext.enforceCallingOrSelfPermission( 16201 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16202 mMoveCallbacks.register(callback); 16203 } 16204 16205 @Override 16206 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16207 mContext.enforceCallingOrSelfPermission( 16208 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16209 mMoveCallbacks.unregister(callback); 16210 } 16211 16212 @Override 16213 public boolean setInstallLocation(int loc) { 16214 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16215 null); 16216 if (getInstallLocation() == loc) { 16217 return true; 16218 } 16219 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16220 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16221 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16222 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16223 return true; 16224 } 16225 return false; 16226 } 16227 16228 @Override 16229 public int getInstallLocation() { 16230 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16231 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16232 PackageHelper.APP_INSTALL_AUTO); 16233 } 16234 16235 /** Called by UserManagerService */ 16236 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16237 mDirtyUsers.remove(userHandle); 16238 mSettings.removeUserLPw(userHandle); 16239 mPendingBroadcasts.remove(userHandle); 16240 if (mInstaller != null) { 16241 // Technically, we shouldn't be doing this with the package lock 16242 // held. However, this is very rare, and there is already so much 16243 // other disk I/O going on, that we'll let it slide for now. 16244 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16245 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16246 final String volumeUuid = vol.getFsUuid(); 16247 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16248 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16249 } 16250 } 16251 mUserNeedsBadging.delete(userHandle); 16252 removeUnusedPackagesLILPw(userManager, userHandle); 16253 } 16254 16255 /** 16256 * We're removing userHandle and would like to remove any downloaded packages 16257 * that are no longer in use by any other user. 16258 * @param userHandle the user being removed 16259 */ 16260 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16261 final boolean DEBUG_CLEAN_APKS = false; 16262 int [] users = userManager.getUserIdsLPr(); 16263 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16264 while (psit.hasNext()) { 16265 PackageSetting ps = psit.next(); 16266 if (ps.pkg == null) { 16267 continue; 16268 } 16269 final String packageName = ps.pkg.packageName; 16270 // Skip over if system app 16271 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16272 continue; 16273 } 16274 if (DEBUG_CLEAN_APKS) { 16275 Slog.i(TAG, "Checking package " + packageName); 16276 } 16277 boolean keep = false; 16278 for (int i = 0; i < users.length; i++) { 16279 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16280 keep = true; 16281 if (DEBUG_CLEAN_APKS) { 16282 Slog.i(TAG, " Keeping package " + packageName + " for user " 16283 + users[i]); 16284 } 16285 break; 16286 } 16287 } 16288 if (!keep) { 16289 if (DEBUG_CLEAN_APKS) { 16290 Slog.i(TAG, " Removing package " + packageName); 16291 } 16292 mHandler.post(new Runnable() { 16293 public void run() { 16294 deletePackageX(packageName, userHandle, 0); 16295 } //end run 16296 }); 16297 } 16298 } 16299 } 16300 16301 /** Called by UserManagerService */ 16302 void createNewUserLILPw(int userHandle) { 16303 if (mInstaller != null) { 16304 mInstaller.createUserConfig(userHandle); 16305 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16306 applyFactoryDefaultBrowserLPw(userHandle); 16307 primeDomainVerificationsLPw(userHandle); 16308 } 16309 } 16310 16311 void newUserCreated(final int userHandle) { 16312 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16313 } 16314 16315 @Override 16316 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16317 mContext.enforceCallingOrSelfPermission( 16318 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16319 "Only package verification agents can read the verifier device identity"); 16320 16321 synchronized (mPackages) { 16322 return mSettings.getVerifierDeviceIdentityLPw(); 16323 } 16324 } 16325 16326 @Override 16327 public void setPermissionEnforced(String permission, boolean enforced) { 16328 // TODO: Now that we no longer change GID for storage, this should to away. 16329 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16330 "setPermissionEnforced"); 16331 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16332 synchronized (mPackages) { 16333 if (mSettings.mReadExternalStorageEnforced == null 16334 || mSettings.mReadExternalStorageEnforced != enforced) { 16335 mSettings.mReadExternalStorageEnforced = enforced; 16336 mSettings.writeLPr(); 16337 } 16338 } 16339 // kill any non-foreground processes so we restart them and 16340 // grant/revoke the GID. 16341 final IActivityManager am = ActivityManagerNative.getDefault(); 16342 if (am != null) { 16343 final long token = Binder.clearCallingIdentity(); 16344 try { 16345 am.killProcessesBelowForeground("setPermissionEnforcement"); 16346 } catch (RemoteException e) { 16347 } finally { 16348 Binder.restoreCallingIdentity(token); 16349 } 16350 } 16351 } else { 16352 throw new IllegalArgumentException("No selective enforcement for " + permission); 16353 } 16354 } 16355 16356 @Override 16357 @Deprecated 16358 public boolean isPermissionEnforced(String permission) { 16359 return true; 16360 } 16361 16362 @Override 16363 public boolean isStorageLow() { 16364 final long token = Binder.clearCallingIdentity(); 16365 try { 16366 final DeviceStorageMonitorInternal 16367 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16368 if (dsm != null) { 16369 return dsm.isMemoryLow(); 16370 } else { 16371 return false; 16372 } 16373 } finally { 16374 Binder.restoreCallingIdentity(token); 16375 } 16376 } 16377 16378 @Override 16379 public IPackageInstaller getPackageInstaller() { 16380 return mInstallerService; 16381 } 16382 16383 private boolean userNeedsBadging(int userId) { 16384 int index = mUserNeedsBadging.indexOfKey(userId); 16385 if (index < 0) { 16386 final UserInfo userInfo; 16387 final long token = Binder.clearCallingIdentity(); 16388 try { 16389 userInfo = sUserManager.getUserInfo(userId); 16390 } finally { 16391 Binder.restoreCallingIdentity(token); 16392 } 16393 final boolean b; 16394 if (userInfo != null && userInfo.isManagedProfile()) { 16395 b = true; 16396 } else { 16397 b = false; 16398 } 16399 mUserNeedsBadging.put(userId, b); 16400 return b; 16401 } 16402 return mUserNeedsBadging.valueAt(index); 16403 } 16404 16405 @Override 16406 public KeySet getKeySetByAlias(String packageName, String alias) { 16407 if (packageName == null || alias == null) { 16408 return null; 16409 } 16410 synchronized(mPackages) { 16411 final PackageParser.Package pkg = mPackages.get(packageName); 16412 if (pkg == null) { 16413 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16414 throw new IllegalArgumentException("Unknown package: " + packageName); 16415 } 16416 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16417 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16418 } 16419 } 16420 16421 @Override 16422 public KeySet getSigningKeySet(String packageName) { 16423 if (packageName == null) { 16424 return null; 16425 } 16426 synchronized(mPackages) { 16427 final PackageParser.Package pkg = mPackages.get(packageName); 16428 if (pkg == null) { 16429 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16430 throw new IllegalArgumentException("Unknown package: " + packageName); 16431 } 16432 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16433 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16434 throw new SecurityException("May not access signing KeySet of other apps."); 16435 } 16436 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16437 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16438 } 16439 } 16440 16441 @Override 16442 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16443 if (packageName == null || ks == null) { 16444 return false; 16445 } 16446 synchronized(mPackages) { 16447 final PackageParser.Package pkg = mPackages.get(packageName); 16448 if (pkg == null) { 16449 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16450 throw new IllegalArgumentException("Unknown package: " + packageName); 16451 } 16452 IBinder ksh = ks.getToken(); 16453 if (ksh instanceof KeySetHandle) { 16454 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16455 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16456 } 16457 return false; 16458 } 16459 } 16460 16461 @Override 16462 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16463 if (packageName == null || ks == null) { 16464 return false; 16465 } 16466 synchronized(mPackages) { 16467 final PackageParser.Package pkg = mPackages.get(packageName); 16468 if (pkg == null) { 16469 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16470 throw new IllegalArgumentException("Unknown package: " + packageName); 16471 } 16472 IBinder ksh = ks.getToken(); 16473 if (ksh instanceof KeySetHandle) { 16474 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16475 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16476 } 16477 return false; 16478 } 16479 } 16480 16481 public void getUsageStatsIfNoPackageUsageInfo() { 16482 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16483 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16484 if (usm == null) { 16485 throw new IllegalStateException("UsageStatsManager must be initialized"); 16486 } 16487 long now = System.currentTimeMillis(); 16488 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16489 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16490 String packageName = entry.getKey(); 16491 PackageParser.Package pkg = mPackages.get(packageName); 16492 if (pkg == null) { 16493 continue; 16494 } 16495 UsageStats usage = entry.getValue(); 16496 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16497 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16498 } 16499 } 16500 } 16501 16502 /** 16503 * Check and throw if the given before/after packages would be considered a 16504 * downgrade. 16505 */ 16506 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16507 throws PackageManagerException { 16508 if (after.versionCode < before.mVersionCode) { 16509 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16510 "Update version code " + after.versionCode + " is older than current " 16511 + before.mVersionCode); 16512 } else if (after.versionCode == before.mVersionCode) { 16513 if (after.baseRevisionCode < before.baseRevisionCode) { 16514 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16515 "Update base revision code " + after.baseRevisionCode 16516 + " is older than current " + before.baseRevisionCode); 16517 } 16518 16519 if (!ArrayUtils.isEmpty(after.splitNames)) { 16520 for (int i = 0; i < after.splitNames.length; i++) { 16521 final String splitName = after.splitNames[i]; 16522 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16523 if (j != -1) { 16524 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16525 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16526 "Update split " + splitName + " revision code " 16527 + after.splitRevisionCodes[i] + " is older than current " 16528 + before.splitRevisionCodes[j]); 16529 } 16530 } 16531 } 16532 } 16533 } 16534 } 16535 16536 private static class MoveCallbacks extends Handler { 16537 private static final int MSG_CREATED = 1; 16538 private static final int MSG_STATUS_CHANGED = 2; 16539 16540 private final RemoteCallbackList<IPackageMoveObserver> 16541 mCallbacks = new RemoteCallbackList<>(); 16542 16543 private final SparseIntArray mLastStatus = new SparseIntArray(); 16544 16545 public MoveCallbacks(Looper looper) { 16546 super(looper); 16547 } 16548 16549 public void register(IPackageMoveObserver callback) { 16550 mCallbacks.register(callback); 16551 } 16552 16553 public void unregister(IPackageMoveObserver callback) { 16554 mCallbacks.unregister(callback); 16555 } 16556 16557 @Override 16558 public void handleMessage(Message msg) { 16559 final SomeArgs args = (SomeArgs) msg.obj; 16560 final int n = mCallbacks.beginBroadcast(); 16561 for (int i = 0; i < n; i++) { 16562 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16563 try { 16564 invokeCallback(callback, msg.what, args); 16565 } catch (RemoteException ignored) { 16566 } 16567 } 16568 mCallbacks.finishBroadcast(); 16569 args.recycle(); 16570 } 16571 16572 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16573 throws RemoteException { 16574 switch (what) { 16575 case MSG_CREATED: { 16576 callback.onCreated(args.argi1, (Bundle) args.arg2); 16577 break; 16578 } 16579 case MSG_STATUS_CHANGED: { 16580 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16581 break; 16582 } 16583 } 16584 } 16585 16586 private void notifyCreated(int moveId, Bundle extras) { 16587 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16588 16589 final SomeArgs args = SomeArgs.obtain(); 16590 args.argi1 = moveId; 16591 args.arg2 = extras; 16592 obtainMessage(MSG_CREATED, args).sendToTarget(); 16593 } 16594 16595 private void notifyStatusChanged(int moveId, int status) { 16596 notifyStatusChanged(moveId, status, -1); 16597 } 16598 16599 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16600 Slog.v(TAG, "Move " + moveId + " status " + status); 16601 16602 final SomeArgs args = SomeArgs.obtain(); 16603 args.argi1 = moveId; 16604 args.argi2 = status; 16605 args.arg3 = estMillis; 16606 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16607 16608 synchronized (mLastStatus) { 16609 mLastStatus.put(moveId, status); 16610 } 16611 } 16612 } 16613 16614 private final class OnPermissionChangeListeners extends Handler { 16615 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16616 16617 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16618 new RemoteCallbackList<>(); 16619 16620 public OnPermissionChangeListeners(Looper looper) { 16621 super(looper); 16622 } 16623 16624 @Override 16625 public void handleMessage(Message msg) { 16626 switch (msg.what) { 16627 case MSG_ON_PERMISSIONS_CHANGED: { 16628 final int uid = msg.arg1; 16629 handleOnPermissionsChanged(uid); 16630 } break; 16631 } 16632 } 16633 16634 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16635 mPermissionListeners.register(listener); 16636 16637 } 16638 16639 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16640 mPermissionListeners.unregister(listener); 16641 } 16642 16643 public void onPermissionsChanged(int uid) { 16644 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16645 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16646 } 16647 } 16648 16649 private void handleOnPermissionsChanged(int uid) { 16650 final int count = mPermissionListeners.beginBroadcast(); 16651 try { 16652 for (int i = 0; i < count; i++) { 16653 IOnPermissionsChangeListener callback = mPermissionListeners 16654 .getBroadcastItem(i); 16655 try { 16656 callback.onPermissionsChanged(uid); 16657 } catch (RemoteException e) { 16658 Log.e(TAG, "Permission listener is dead", e); 16659 } 16660 } 16661 } finally { 16662 mPermissionListeners.finishBroadcast(); 16663 } 16664 } 16665 } 16666 16667 private class PackageManagerInternalImpl extends PackageManagerInternal { 16668 @Override 16669 public void setLocationPackagesProvider(PackagesProvider provider) { 16670 synchronized (mPackages) { 16671 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16672 } 16673 } 16674 16675 @Override 16676 public void setImePackagesProvider(PackagesProvider provider) { 16677 synchronized (mPackages) { 16678 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16679 } 16680 } 16681 16682 @Override 16683 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16684 synchronized (mPackages) { 16685 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16686 } 16687 } 16688 16689 @Override 16690 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16691 synchronized (mPackages) { 16692 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16693 } 16694 } 16695 16696 @Override 16697 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16698 synchronized (mPackages) { 16699 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16700 } 16701 } 16702 16703 @Override 16704 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16705 synchronized (mPackages) { 16706 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16707 } 16708 } 16709 16710 @Override 16711 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16712 synchronized (mPackages) { 16713 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16714 } 16715 } 16716 16717 @Override 16718 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16719 synchronized (mPackages) { 16720 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16721 packageName, userId); 16722 } 16723 } 16724 16725 @Override 16726 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16727 synchronized (mPackages) { 16728 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16729 packageName, userId); 16730 } 16731 } 16732 @Override 16733 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16734 synchronized (mPackages) { 16735 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16736 packageName, userId); 16737 } 16738 } 16739 } 16740 16741 @Override 16742 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16743 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16744 synchronized (mPackages) { 16745 final long identity = Binder.clearCallingIdentity(); 16746 try { 16747 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16748 packageNames, userId); 16749 } finally { 16750 Binder.restoreCallingIdentity(identity); 16751 } 16752 } 16753 } 16754 16755 private static void enforceSystemOrPhoneCaller(String tag) { 16756 int callingUid = Binder.getCallingUid(); 16757 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16758 throw new SecurityException( 16759 "Cannot call " + tag + " from UID " + callingUid); 16760 } 16761 } 16762} 16763