PackageManagerService.java revision 4fab7fbeb01026e5dc81f9d0dc445042e91c8f80
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.Installer.DEXOPT_PUBLIC; 78import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 79import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 80import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 81import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 82import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 83import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 84import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 85import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 86 87import android.Manifest; 88import android.app.ActivityManager; 89import android.app.ActivityManagerNative; 90import android.app.AppGlobals; 91import android.app.IActivityManager; 92import android.app.admin.IDevicePolicyManager; 93import android.app.backup.IBackupManager; 94import android.app.usage.UsageStats; 95import android.app.usage.UsageStatsManager; 96import android.content.BroadcastReceiver; 97import android.content.ComponentName; 98import android.content.Context; 99import android.content.IIntentReceiver; 100import android.content.Intent; 101import android.content.IntentFilter; 102import android.content.IntentSender; 103import android.content.IntentSender.SendIntentException; 104import android.content.ServiceConnection; 105import android.content.pm.ActivityInfo; 106import android.content.pm.ApplicationInfo; 107import android.content.pm.FeatureInfo; 108import android.content.pm.IOnPermissionsChangeListener; 109import android.content.pm.IPackageDataObserver; 110import android.content.pm.IPackageDeleteObserver; 111import android.content.pm.IPackageDeleteObserver2; 112import android.content.pm.IPackageInstallObserver2; 113import android.content.pm.IPackageInstaller; 114import android.content.pm.IPackageManager; 115import android.content.pm.IPackageMoveObserver; 116import android.content.pm.IPackageStatsObserver; 117import android.content.pm.InstrumentationInfo; 118import android.content.pm.IntentFilterVerificationInfo; 119import android.content.pm.KeySet; 120import android.content.pm.ManifestDigest; 121import android.content.pm.PackageCleanItem; 122import android.content.pm.PackageInfo; 123import android.content.pm.PackageInfoLite; 124import android.content.pm.PackageInstaller; 125import android.content.pm.PackageManager; 126import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 127import android.content.pm.PackageManagerInternal; 128import android.content.pm.PackageParser; 129import android.content.pm.PackageParser.ActivityIntentInfo; 130import android.content.pm.PackageParser.PackageLite; 131import android.content.pm.PackageParser.PackageParserException; 132import android.content.pm.PackageStats; 133import android.content.pm.PackageUserState; 134import android.content.pm.ParceledListSlice; 135import android.content.pm.PermissionGroupInfo; 136import android.content.pm.PermissionInfo; 137import android.content.pm.ProviderInfo; 138import android.content.pm.ResolveInfo; 139import android.content.pm.ServiceInfo; 140import android.content.pm.Signature; 141import android.content.pm.UserInfo; 142import android.content.pm.VerificationParams; 143import android.content.pm.VerifierDeviceIdentity; 144import android.content.pm.VerifierInfo; 145import android.content.res.Resources; 146import android.hardware.display.DisplayManager; 147import android.net.Uri; 148import android.os.Debug; 149import android.os.Binder; 150import android.os.Build; 151import android.os.Bundle; 152import android.os.Environment; 153import android.os.Environment.UserEnvironment; 154import android.os.FileUtils; 155import android.os.Handler; 156import android.os.IBinder; 157import android.os.Looper; 158import android.os.Message; 159import android.os.Parcel; 160import android.os.ParcelFileDescriptor; 161import android.os.Process; 162import android.os.RemoteCallbackList; 163import android.os.RemoteException; 164import android.os.SELinux; 165import android.os.ServiceManager; 166import android.os.SystemClock; 167import android.os.SystemProperties; 168import android.os.UserHandle; 169import android.os.UserManager; 170import android.os.storage.IMountService; 171import android.os.storage.MountServiceInternal; 172import android.os.storage.StorageEventListener; 173import android.os.storage.StorageManager; 174import android.os.storage.VolumeInfo; 175import android.os.storage.VolumeRecord; 176import android.security.KeyStore; 177import android.security.SystemKeyStore; 178import android.system.ErrnoException; 179import android.system.Os; 180import android.system.StructStat; 181import android.text.TextUtils; 182import android.text.format.DateUtils; 183import android.util.ArrayMap; 184import android.util.ArraySet; 185import android.util.AtomicFile; 186import android.util.DisplayMetrics; 187import android.util.EventLog; 188import android.util.ExceptionUtils; 189import android.util.Log; 190import android.util.LogPrinter; 191import android.util.MathUtils; 192import android.util.PrintStreamPrinter; 193import android.util.Slog; 194import android.util.SparseArray; 195import android.util.SparseBooleanArray; 196import android.util.SparseIntArray; 197import android.util.Xml; 198import android.view.Display; 199 200import dalvik.system.DexFile; 201import dalvik.system.VMRuntime; 202 203import libcore.io.IoUtils; 204import libcore.util.EmptyArray; 205 206import com.android.internal.R; 207import com.android.internal.annotations.GuardedBy; 208import com.android.internal.app.IMediaContainerService; 209import com.android.internal.app.ResolverActivity; 210import com.android.internal.content.NativeLibraryHelper; 211import com.android.internal.content.PackageHelper; 212import com.android.internal.os.IParcelFileDescriptorFactory; 213import com.android.internal.os.SomeArgs; 214import com.android.internal.os.Zygote; 215import com.android.internal.util.ArrayUtils; 216import com.android.internal.util.FastPrintWriter; 217import com.android.internal.util.FastXmlSerializer; 218import com.android.internal.util.IndentingPrintWriter; 219import com.android.internal.util.Preconditions; 220import com.android.server.EventLogTags; 221import com.android.server.FgThread; 222import com.android.server.IntentResolver; 223import com.android.server.LocalServices; 224import com.android.server.ServiceThread; 225import com.android.server.SystemConfig; 226import com.android.server.Watchdog; 227import com.android.server.pm.PermissionsState.PermissionState; 228import com.android.server.pm.Settings.DatabaseVersion; 229import com.android.server.pm.Settings.VersionInfo; 230import com.android.server.storage.DeviceStorageMonitorInternal; 231 232import org.xmlpull.v1.XmlPullParser; 233import org.xmlpull.v1.XmlPullParserException; 234import org.xmlpull.v1.XmlSerializer; 235 236import java.io.BufferedInputStream; 237import java.io.BufferedOutputStream; 238import java.io.BufferedReader; 239import java.io.ByteArrayInputStream; 240import java.io.ByteArrayOutputStream; 241import java.io.File; 242import java.io.FileDescriptor; 243import java.io.FileNotFoundException; 244import java.io.FileOutputStream; 245import java.io.FileReader; 246import java.io.FilenameFilter; 247import java.io.IOException; 248import java.io.InputStream; 249import java.io.PrintWriter; 250import java.nio.charset.StandardCharsets; 251import java.security.NoSuchAlgorithmException; 252import java.security.PublicKey; 253import java.security.cert.CertificateEncodingException; 254import java.security.cert.CertificateException; 255import java.text.SimpleDateFormat; 256import java.util.ArrayList; 257import java.util.Arrays; 258import java.util.Collection; 259import java.util.Collections; 260import java.util.Comparator; 261import java.util.Date; 262import java.util.Iterator; 263import java.util.List; 264import java.util.Map; 265import java.util.Objects; 266import java.util.Set; 267import java.util.concurrent.CountDownLatch; 268import java.util.concurrent.TimeUnit; 269import java.util.concurrent.atomic.AtomicBoolean; 270import java.util.concurrent.atomic.AtomicInteger; 271import java.util.concurrent.atomic.AtomicLong; 272 273/** 274 * Keep track of all those .apks everywhere. 275 * 276 * This is very central to the platform's security; please run the unit 277 * tests whenever making modifications here: 278 * 279mmm frameworks/base/tests/AndroidTests 280adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 281adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 282 * 283 * {@hide} 284 */ 285public class PackageManagerService extends IPackageManager.Stub { 286 static final String TAG = "PackageManager"; 287 static final boolean DEBUG_SETTINGS = false; 288 static final boolean DEBUG_PREFERRED = false; 289 static final boolean DEBUG_UPGRADE = false; 290 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 291 private static final boolean DEBUG_BACKUP = false; 292 private static final boolean DEBUG_INSTALL = false; 293 private static final boolean DEBUG_REMOVE = false; 294 private static final boolean DEBUG_BROADCASTS = false; 295 private static final boolean DEBUG_SHOW_INFO = false; 296 private static final boolean DEBUG_PACKAGE_INFO = false; 297 private static final boolean DEBUG_INTENT_MATCHING = false; 298 private static final boolean DEBUG_PACKAGE_SCANNING = false; 299 private static final boolean DEBUG_VERIFY = false; 300 private static final boolean DEBUG_DEXOPT = false; 301 private static final boolean DEBUG_ABI_SELECTION = false; 302 303 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 304 305 private static final int RADIO_UID = Process.PHONE_UID; 306 private static final int LOG_UID = Process.LOG_UID; 307 private static final int NFC_UID = Process.NFC_UID; 308 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 309 private static final int SHELL_UID = Process.SHELL_UID; 310 311 // Cap the size of permission trees that 3rd party apps can define 312 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 313 314 // Suffix used during package installation when copying/moving 315 // package apks to install directory. 316 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 317 318 static final int SCAN_NO_DEX = 1<<1; 319 static final int SCAN_FORCE_DEX = 1<<2; 320 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 321 static final int SCAN_NEW_INSTALL = 1<<4; 322 static final int SCAN_NO_PATHS = 1<<5; 323 static final int SCAN_UPDATE_TIME = 1<<6; 324 static final int SCAN_DEFER_DEX = 1<<7; 325 static final int SCAN_BOOTING = 1<<8; 326 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 327 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 328 static final int SCAN_REPLACING = 1<<11; 329 static final int SCAN_REQUIRE_KNOWN = 1<<12; 330 static final int SCAN_MOVE = 1<<13; 331 static final int SCAN_INITIAL = 1<<14; 332 333 static final int REMOVE_CHATTY = 1<<16; 334 335 private static final int[] EMPTY_INT_ARRAY = new int[0]; 336 337 /** 338 * Timeout (in milliseconds) after which the watchdog should declare that 339 * our handler thread is wedged. The usual default for such things is one 340 * minute but we sometimes do very lengthy I/O operations on this thread, 341 * such as installing multi-gigabyte applications, so ours needs to be longer. 342 */ 343 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 344 345 /** 346 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 347 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 348 * settings entry if available, otherwise we use the hardcoded default. If it's been 349 * more than this long since the last fstrim, we force one during the boot sequence. 350 * 351 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 352 * one gets run at the next available charging+idle time. This final mandatory 353 * no-fstrim check kicks in only of the other scheduling criteria is never met. 354 */ 355 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 356 357 /** 358 * Whether verification is enabled by default. 359 */ 360 private static final boolean DEFAULT_VERIFY_ENABLE = true; 361 362 /** 363 * The default maximum time to wait for the verification agent to return in 364 * milliseconds. 365 */ 366 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 367 368 /** 369 * The default response for package verification timeout. 370 * 371 * This can be either PackageManager.VERIFICATION_ALLOW or 372 * PackageManager.VERIFICATION_REJECT. 373 */ 374 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 375 376 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 377 378 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 379 DEFAULT_CONTAINER_PACKAGE, 380 "com.android.defcontainer.DefaultContainerService"); 381 382 private static final String KILL_APP_REASON_GIDS_CHANGED = 383 "permission grant or revoke changed gids"; 384 385 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 386 "permissions revoked"; 387 388 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 389 390 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 391 392 /** Permission grant: not grant the permission. */ 393 private static final int GRANT_DENIED = 1; 394 395 /** Permission grant: grant the permission as an install permission. */ 396 private static final int GRANT_INSTALL = 2; 397 398 /** Permission grant: grant the permission as an install permission for a legacy app. */ 399 private static final int GRANT_INSTALL_LEGACY = 3; 400 401 /** Permission grant: grant the permission as a runtime one. */ 402 private static final int GRANT_RUNTIME = 4; 403 404 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 405 private static final int GRANT_UPGRADE = 5; 406 407 /** Canonical intent used to identify what counts as a "web browser" app */ 408 private static final Intent sBrowserIntent; 409 static { 410 sBrowserIntent = new Intent(); 411 sBrowserIntent.setAction(Intent.ACTION_VIEW); 412 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 413 sBrowserIntent.setData(Uri.parse("http:")); 414 } 415 416 final ServiceThread mHandlerThread; 417 418 final PackageHandler mHandler; 419 420 /** 421 * Messages for {@link #mHandler} that need to wait for system ready before 422 * being dispatched. 423 */ 424 private ArrayList<Message> mPostSystemReadyMessages; 425 426 final int mSdkVersion = Build.VERSION.SDK_INT; 427 428 final Context mContext; 429 final boolean mFactoryTest; 430 final boolean mOnlyCore; 431 final boolean mLazyDexOpt; 432 final long mDexOptLRUThresholdInMills; 433 final DisplayMetrics mMetrics; 434 final int mDefParseFlags; 435 final String[] mSeparateProcesses; 436 final boolean mIsUpgrade; 437 438 // This is where all application persistent data goes. 439 final File mAppDataDir; 440 441 // This is where all application persistent data goes for secondary users. 442 final File mUserAppDataDir; 443 444 /** The location for ASEC container files on internal storage. */ 445 final String mAsecInternalPath; 446 447 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 448 // LOCK HELD. Can be called with mInstallLock held. 449 @GuardedBy("mInstallLock") 450 final Installer mInstaller; 451 452 /** Directory where installed third-party apps stored */ 453 final File mAppInstallDir; 454 455 /** 456 * Directory to which applications installed internally have their 457 * 32 bit native libraries copied. 458 */ 459 private File mAppLib32InstallDir; 460 461 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 462 // apps. 463 final File mDrmAppPrivateInstallDir; 464 465 // ---------------------------------------------------------------- 466 467 // Lock for state used when installing and doing other long running 468 // operations. Methods that must be called with this lock held have 469 // the suffix "LI". 470 final Object mInstallLock = new Object(); 471 472 // ---------------------------------------------------------------- 473 474 // Keys are String (package name), values are Package. This also serves 475 // as the lock for the global state. Methods that must be called with 476 // this lock held have the prefix "LP". 477 @GuardedBy("mPackages") 478 final ArrayMap<String, PackageParser.Package> mPackages = 479 new ArrayMap<String, PackageParser.Package>(); 480 481 // Tracks available target package names -> overlay package paths. 482 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 483 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 484 485 /** 486 * Tracks new system packages [received in an OTA] that we expect to 487 * find updated user-installed versions. Keys are package name, values 488 * are package location. 489 */ 490 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 491 492 /** 493 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 494 */ 495 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 496 /** 497 * Whether or not system app permissions should be promoted from install to runtime. 498 */ 499 boolean mPromoteSystemApps; 500 501 final Settings mSettings; 502 boolean mRestoredSettings; 503 504 // System configuration read by SystemConfig. 505 final int[] mGlobalGids; 506 final SparseArray<ArraySet<String>> mSystemPermissions; 507 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 508 509 // If mac_permissions.xml was found for seinfo labeling. 510 boolean mFoundPolicyFile; 511 512 // If a recursive restorecon of /data/data/<pkg> is needed. 513 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 514 515 public static final class SharedLibraryEntry { 516 public final String path; 517 public final String apk; 518 519 SharedLibraryEntry(String _path, String _apk) { 520 path = _path; 521 apk = _apk; 522 } 523 } 524 525 // Currently known shared libraries. 526 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 527 new ArrayMap<String, SharedLibraryEntry>(); 528 529 // All available activities, for your resolving pleasure. 530 final ActivityIntentResolver mActivities = 531 new ActivityIntentResolver(); 532 533 // All available receivers, for your resolving pleasure. 534 final ActivityIntentResolver mReceivers = 535 new ActivityIntentResolver(); 536 537 // All available services, for your resolving pleasure. 538 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 539 540 // All available providers, for your resolving pleasure. 541 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 542 543 // Mapping from provider base names (first directory in content URI codePath) 544 // to the provider information. 545 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 546 new ArrayMap<String, PackageParser.Provider>(); 547 548 // Mapping from instrumentation class names to info about them. 549 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 550 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 551 552 // Mapping from permission names to info about them. 553 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 554 new ArrayMap<String, PackageParser.PermissionGroup>(); 555 556 // Packages whose data we have transfered into another package, thus 557 // should no longer exist. 558 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 559 560 // Broadcast actions that are only available to the system. 561 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 562 563 /** List of packages waiting for verification. */ 564 final SparseArray<PackageVerificationState> mPendingVerification 565 = new SparseArray<PackageVerificationState>(); 566 567 /** Set of packages associated with each app op permission. */ 568 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 569 570 final PackageInstallerService mInstallerService; 571 572 private final PackageDexOptimizer mPackageDexOptimizer; 573 574 private AtomicInteger mNextMoveId = new AtomicInteger(); 575 private final MoveCallbacks mMoveCallbacks; 576 577 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 578 579 // Cache of users who need badging. 580 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 581 582 /** Token for keys in mPendingVerification. */ 583 private int mPendingVerificationToken = 0; 584 585 volatile boolean mSystemReady; 586 volatile boolean mSafeMode; 587 volatile boolean mHasSystemUidErrors; 588 589 ApplicationInfo mAndroidApplication; 590 final ActivityInfo mResolveActivity = new ActivityInfo(); 591 final ResolveInfo mResolveInfo = new ResolveInfo(); 592 ComponentName mResolveComponentName; 593 PackageParser.Package mPlatformPackage; 594 ComponentName mCustomResolverComponentName; 595 596 boolean mResolverReplaced = false; 597 598 private final ComponentName mIntentFilterVerifierComponent; 599 private int mIntentFilterVerificationToken = 0; 600 601 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 602 = new SparseArray<IntentFilterVerificationState>(); 603 604 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 605 new DefaultPermissionGrantPolicy(this); 606 607 private static class IFVerificationParams { 608 PackageParser.Package pkg; 609 boolean replacing; 610 int userId; 611 int verifierUid; 612 613 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 614 int _userId, int _verifierUid) { 615 pkg = _pkg; 616 replacing = _replacing; 617 userId = _userId; 618 replacing = _replacing; 619 verifierUid = _verifierUid; 620 } 621 } 622 623 private interface IntentFilterVerifier<T extends IntentFilter> { 624 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 625 T filter, String packageName); 626 void startVerifications(int userId); 627 void receiveVerificationResponse(int verificationId); 628 } 629 630 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 631 private Context mContext; 632 private ComponentName mIntentFilterVerifierComponent; 633 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 634 635 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 636 mContext = context; 637 mIntentFilterVerifierComponent = verifierComponent; 638 } 639 640 private String getDefaultScheme() { 641 return IntentFilter.SCHEME_HTTPS; 642 } 643 644 @Override 645 public void startVerifications(int userId) { 646 // Launch verifications requests 647 int count = mCurrentIntentFilterVerifications.size(); 648 for (int n=0; n<count; n++) { 649 int verificationId = mCurrentIntentFilterVerifications.get(n); 650 final IntentFilterVerificationState ivs = 651 mIntentFilterVerificationStates.get(verificationId); 652 653 String packageName = ivs.getPackageName(); 654 655 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 656 final int filterCount = filters.size(); 657 ArraySet<String> domainsSet = new ArraySet<>(); 658 for (int m=0; m<filterCount; m++) { 659 PackageParser.ActivityIntentInfo filter = filters.get(m); 660 domainsSet.addAll(filter.getHostsList()); 661 } 662 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 663 synchronized (mPackages) { 664 if (mSettings.createIntentFilterVerificationIfNeededLPw( 665 packageName, domainsList) != null) { 666 scheduleWriteSettingsLocked(); 667 } 668 } 669 sendVerificationRequest(userId, verificationId, ivs); 670 } 671 mCurrentIntentFilterVerifications.clear(); 672 } 673 674 private void sendVerificationRequest(int userId, int verificationId, 675 IntentFilterVerificationState ivs) { 676 677 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 678 verificationIntent.putExtra( 679 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 680 verificationId); 681 verificationIntent.putExtra( 682 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 683 getDefaultScheme()); 684 verificationIntent.putExtra( 685 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 686 ivs.getHostsString()); 687 verificationIntent.putExtra( 688 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 689 ivs.getPackageName()); 690 verificationIntent.setComponent(mIntentFilterVerifierComponent); 691 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 692 693 UserHandle user = new UserHandle(userId); 694 mContext.sendBroadcastAsUser(verificationIntent, user); 695 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 696 "Sending IntentFilter verification broadcast"); 697 } 698 699 public void receiveVerificationResponse(int verificationId) { 700 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 701 702 final boolean verified = ivs.isVerified(); 703 704 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 705 final int count = filters.size(); 706 if (DEBUG_DOMAIN_VERIFICATION) { 707 Slog.i(TAG, "Received verification response " + verificationId 708 + " for " + count + " filters, verified=" + verified); 709 } 710 for (int n=0; n<count; n++) { 711 PackageParser.ActivityIntentInfo filter = filters.get(n); 712 filter.setVerified(verified); 713 714 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 715 + " verified with result:" + verified + " and hosts:" 716 + ivs.getHostsString()); 717 } 718 719 mIntentFilterVerificationStates.remove(verificationId); 720 721 final String packageName = ivs.getPackageName(); 722 IntentFilterVerificationInfo ivi = null; 723 724 synchronized (mPackages) { 725 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 726 } 727 if (ivi == null) { 728 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 729 + verificationId + " packageName:" + packageName); 730 return; 731 } 732 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 733 "Updating IntentFilterVerificationInfo for package " + packageName 734 +" verificationId:" + verificationId); 735 736 synchronized (mPackages) { 737 if (verified) { 738 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 739 } else { 740 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 741 } 742 scheduleWriteSettingsLocked(); 743 744 final int userId = ivs.getUserId(); 745 if (userId != UserHandle.USER_ALL) { 746 final int userStatus = 747 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 748 749 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 750 boolean needUpdate = false; 751 752 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 753 // already been set by the User thru the Disambiguation dialog 754 switch (userStatus) { 755 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 756 if (verified) { 757 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 758 } else { 759 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 760 } 761 needUpdate = true; 762 break; 763 764 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 765 if (verified) { 766 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 767 needUpdate = true; 768 } 769 break; 770 771 default: 772 // Nothing to do 773 } 774 775 if (needUpdate) { 776 mSettings.updateIntentFilterVerificationStatusLPw( 777 packageName, updatedStatus, userId); 778 scheduleWritePackageRestrictionsLocked(userId); 779 } 780 } 781 } 782 } 783 784 @Override 785 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 786 ActivityIntentInfo filter, String packageName) { 787 if (!hasValidDomains(filter)) { 788 return false; 789 } 790 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 791 if (ivs == null) { 792 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 793 packageName); 794 } 795 if (DEBUG_DOMAIN_VERIFICATION) { 796 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 797 } 798 ivs.addFilter(filter); 799 return true; 800 } 801 802 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 803 int userId, int verificationId, String packageName) { 804 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 805 verifierUid, userId, packageName); 806 ivs.setPendingState(); 807 synchronized (mPackages) { 808 mIntentFilterVerificationStates.append(verificationId, ivs); 809 mCurrentIntentFilterVerifications.add(verificationId); 810 } 811 return ivs; 812 } 813 } 814 815 private static boolean hasValidDomains(ActivityIntentInfo filter) { 816 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 817 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 818 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 819 } 820 821 private IntentFilterVerifier mIntentFilterVerifier; 822 823 // Set of pending broadcasts for aggregating enable/disable of components. 824 static class PendingPackageBroadcasts { 825 // for each user id, a map of <package name -> components within that package> 826 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 827 828 public PendingPackageBroadcasts() { 829 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 830 } 831 832 public ArrayList<String> get(int userId, String packageName) { 833 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 834 return packages.get(packageName); 835 } 836 837 public void put(int userId, String packageName, ArrayList<String> components) { 838 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 839 packages.put(packageName, components); 840 } 841 842 public void remove(int userId, String packageName) { 843 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 844 if (packages != null) { 845 packages.remove(packageName); 846 } 847 } 848 849 public void remove(int userId) { 850 mUidMap.remove(userId); 851 } 852 853 public int userIdCount() { 854 return mUidMap.size(); 855 } 856 857 public int userIdAt(int n) { 858 return mUidMap.keyAt(n); 859 } 860 861 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 862 return mUidMap.get(userId); 863 } 864 865 public int size() { 866 // total number of pending broadcast entries across all userIds 867 int num = 0; 868 for (int i = 0; i< mUidMap.size(); i++) { 869 num += mUidMap.valueAt(i).size(); 870 } 871 return num; 872 } 873 874 public void clear() { 875 mUidMap.clear(); 876 } 877 878 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 879 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 880 if (map == null) { 881 map = new ArrayMap<String, ArrayList<String>>(); 882 mUidMap.put(userId, map); 883 } 884 return map; 885 } 886 } 887 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 888 889 // Service Connection to remote media container service to copy 890 // package uri's from external media onto secure containers 891 // or internal storage. 892 private IMediaContainerService mContainerService = null; 893 894 static final int SEND_PENDING_BROADCAST = 1; 895 static final int MCS_BOUND = 3; 896 static final int END_COPY = 4; 897 static final int INIT_COPY = 5; 898 static final int MCS_UNBIND = 6; 899 static final int START_CLEANING_PACKAGE = 7; 900 static final int FIND_INSTALL_LOC = 8; 901 static final int POST_INSTALL = 9; 902 static final int MCS_RECONNECT = 10; 903 static final int MCS_GIVE_UP = 11; 904 static final int UPDATED_MEDIA_STATUS = 12; 905 static final int WRITE_SETTINGS = 13; 906 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 907 static final int PACKAGE_VERIFIED = 15; 908 static final int CHECK_PENDING_VERIFICATION = 16; 909 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 910 static final int INTENT_FILTER_VERIFIED = 18; 911 912 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 913 914 // Delay time in millisecs 915 static final int BROADCAST_DELAY = 10 * 1000; 916 917 static UserManagerService sUserManager; 918 919 // Stores a list of users whose package restrictions file needs to be updated 920 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 921 922 final private DefaultContainerConnection mDefContainerConn = 923 new DefaultContainerConnection(); 924 class DefaultContainerConnection implements ServiceConnection { 925 public void onServiceConnected(ComponentName name, IBinder service) { 926 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 927 IMediaContainerService imcs = 928 IMediaContainerService.Stub.asInterface(service); 929 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 930 } 931 932 public void onServiceDisconnected(ComponentName name) { 933 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 934 } 935 } 936 937 // Recordkeeping of restore-after-install operations that are currently in flight 938 // between the Package Manager and the Backup Manager 939 class PostInstallData { 940 public InstallArgs args; 941 public PackageInstalledInfo res; 942 943 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 944 args = _a; 945 res = _r; 946 } 947 } 948 949 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 950 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 951 952 // XML tags for backup/restore of various bits of state 953 private static final String TAG_PREFERRED_BACKUP = "pa"; 954 private static final String TAG_DEFAULT_APPS = "da"; 955 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 956 957 final String mRequiredVerifierPackage; 958 final String mRequiredInstallerPackage; 959 960 private final PackageUsage mPackageUsage = new PackageUsage(); 961 962 private class PackageUsage { 963 private static final int WRITE_INTERVAL 964 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 965 966 private final Object mFileLock = new Object(); 967 private final AtomicLong mLastWritten = new AtomicLong(0); 968 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 969 970 private boolean mIsHistoricalPackageUsageAvailable = true; 971 972 boolean isHistoricalPackageUsageAvailable() { 973 return mIsHistoricalPackageUsageAvailable; 974 } 975 976 void write(boolean force) { 977 if (force) { 978 writeInternal(); 979 return; 980 } 981 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 982 && !DEBUG_DEXOPT) { 983 return; 984 } 985 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 986 new Thread("PackageUsage_DiskWriter") { 987 @Override 988 public void run() { 989 try { 990 writeInternal(); 991 } finally { 992 mBackgroundWriteRunning.set(false); 993 } 994 } 995 }.start(); 996 } 997 } 998 999 private void writeInternal() { 1000 synchronized (mPackages) { 1001 synchronized (mFileLock) { 1002 AtomicFile file = getFile(); 1003 FileOutputStream f = null; 1004 try { 1005 f = file.startWrite(); 1006 BufferedOutputStream out = new BufferedOutputStream(f); 1007 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1008 StringBuilder sb = new StringBuilder(); 1009 for (PackageParser.Package pkg : mPackages.values()) { 1010 if (pkg.mLastPackageUsageTimeInMills == 0) { 1011 continue; 1012 } 1013 sb.setLength(0); 1014 sb.append(pkg.packageName); 1015 sb.append(' '); 1016 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1017 sb.append('\n'); 1018 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1019 } 1020 out.flush(); 1021 file.finishWrite(f); 1022 } catch (IOException e) { 1023 if (f != null) { 1024 file.failWrite(f); 1025 } 1026 Log.e(TAG, "Failed to write package usage times", e); 1027 } 1028 } 1029 } 1030 mLastWritten.set(SystemClock.elapsedRealtime()); 1031 } 1032 1033 void readLP() { 1034 synchronized (mFileLock) { 1035 AtomicFile file = getFile(); 1036 BufferedInputStream in = null; 1037 try { 1038 in = new BufferedInputStream(file.openRead()); 1039 StringBuffer sb = new StringBuffer(); 1040 while (true) { 1041 String packageName = readToken(in, sb, ' '); 1042 if (packageName == null) { 1043 break; 1044 } 1045 String timeInMillisString = readToken(in, sb, '\n'); 1046 if (timeInMillisString == null) { 1047 throw new IOException("Failed to find last usage time for package " 1048 + packageName); 1049 } 1050 PackageParser.Package pkg = mPackages.get(packageName); 1051 if (pkg == null) { 1052 continue; 1053 } 1054 long timeInMillis; 1055 try { 1056 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1057 } catch (NumberFormatException e) { 1058 throw new IOException("Failed to parse " + timeInMillisString 1059 + " as a long.", e); 1060 } 1061 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1062 } 1063 } catch (FileNotFoundException expected) { 1064 mIsHistoricalPackageUsageAvailable = false; 1065 } catch (IOException e) { 1066 Log.w(TAG, "Failed to read package usage times", e); 1067 } finally { 1068 IoUtils.closeQuietly(in); 1069 } 1070 } 1071 mLastWritten.set(SystemClock.elapsedRealtime()); 1072 } 1073 1074 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1075 throws IOException { 1076 sb.setLength(0); 1077 while (true) { 1078 int ch = in.read(); 1079 if (ch == -1) { 1080 if (sb.length() == 0) { 1081 return null; 1082 } 1083 throw new IOException("Unexpected EOF"); 1084 } 1085 if (ch == endOfToken) { 1086 return sb.toString(); 1087 } 1088 sb.append((char)ch); 1089 } 1090 } 1091 1092 private AtomicFile getFile() { 1093 File dataDir = Environment.getDataDirectory(); 1094 File systemDir = new File(dataDir, "system"); 1095 File fname = new File(systemDir, "package-usage.list"); 1096 return new AtomicFile(fname); 1097 } 1098 } 1099 1100 class PackageHandler extends Handler { 1101 private boolean mBound = false; 1102 final ArrayList<HandlerParams> mPendingInstalls = 1103 new ArrayList<HandlerParams>(); 1104 1105 private boolean connectToService() { 1106 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1107 " DefaultContainerService"); 1108 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1109 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1110 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1111 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1112 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1113 mBound = true; 1114 return true; 1115 } 1116 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1117 return false; 1118 } 1119 1120 private void disconnectService() { 1121 mContainerService = null; 1122 mBound = false; 1123 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1124 mContext.unbindService(mDefContainerConn); 1125 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1126 } 1127 1128 PackageHandler(Looper looper) { 1129 super(looper); 1130 } 1131 1132 public void handleMessage(Message msg) { 1133 try { 1134 doHandleMessage(msg); 1135 } finally { 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 } 1138 } 1139 1140 void doHandleMessage(Message msg) { 1141 switch (msg.what) { 1142 case INIT_COPY: { 1143 HandlerParams params = (HandlerParams) msg.obj; 1144 int idx = mPendingInstalls.size(); 1145 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1146 // If a bind was already initiated we dont really 1147 // need to do anything. The pending install 1148 // will be processed later on. 1149 if (!mBound) { 1150 // If this is the only one pending we might 1151 // have to bind to the service again. 1152 if (!connectToService()) { 1153 Slog.e(TAG, "Failed to bind to media container service"); 1154 params.serviceError(); 1155 return; 1156 } else { 1157 // Once we bind to the service, the first 1158 // pending request will be processed. 1159 mPendingInstalls.add(idx, params); 1160 } 1161 } else { 1162 mPendingInstalls.add(idx, params); 1163 // Already bound to the service. Just make 1164 // sure we trigger off processing the first request. 1165 if (idx == 0) { 1166 mHandler.sendEmptyMessage(MCS_BOUND); 1167 } 1168 } 1169 break; 1170 } 1171 case MCS_BOUND: { 1172 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1173 if (msg.obj != null) { 1174 mContainerService = (IMediaContainerService) msg.obj; 1175 } 1176 if (mContainerService == null) { 1177 if (!mBound) { 1178 // Something seriously wrong since we are not bound and we are not 1179 // waiting for connection. Bail out. 1180 Slog.e(TAG, "Cannot bind to media container service"); 1181 for (HandlerParams params : mPendingInstalls) { 1182 // Indicate service bind error 1183 params.serviceError(); 1184 } 1185 mPendingInstalls.clear(); 1186 } else { 1187 Slog.w(TAG, "Waiting to connect to media container service"); 1188 } 1189 } else if (mPendingInstalls.size() > 0) { 1190 HandlerParams params = mPendingInstalls.get(0); 1191 if (params != null) { 1192 if (params.startCopy()) { 1193 // We are done... look for more work or to 1194 // go idle. 1195 if (DEBUG_SD_INSTALL) Log.i(TAG, 1196 "Checking for more work or unbind..."); 1197 // Delete pending install 1198 if (mPendingInstalls.size() > 0) { 1199 mPendingInstalls.remove(0); 1200 } 1201 if (mPendingInstalls.size() == 0) { 1202 if (mBound) { 1203 if (DEBUG_SD_INSTALL) Log.i(TAG, 1204 "Posting delayed MCS_UNBIND"); 1205 removeMessages(MCS_UNBIND); 1206 Message ubmsg = obtainMessage(MCS_UNBIND); 1207 // Unbind after a little delay, to avoid 1208 // continual thrashing. 1209 sendMessageDelayed(ubmsg, 10000); 1210 } 1211 } else { 1212 // There are more pending requests in queue. 1213 // Just post MCS_BOUND message to trigger processing 1214 // of next pending install. 1215 if (DEBUG_SD_INSTALL) Log.i(TAG, 1216 "Posting MCS_BOUND for next work"); 1217 mHandler.sendEmptyMessage(MCS_BOUND); 1218 } 1219 } 1220 } 1221 } else { 1222 // Should never happen ideally. 1223 Slog.w(TAG, "Empty queue"); 1224 } 1225 break; 1226 } 1227 case MCS_RECONNECT: { 1228 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1229 if (mPendingInstalls.size() > 0) { 1230 if (mBound) { 1231 disconnectService(); 1232 } 1233 if (!connectToService()) { 1234 Slog.e(TAG, "Failed to bind to media container service"); 1235 for (HandlerParams params : mPendingInstalls) { 1236 // Indicate service bind error 1237 params.serviceError(); 1238 } 1239 mPendingInstalls.clear(); 1240 } 1241 } 1242 break; 1243 } 1244 case MCS_UNBIND: { 1245 // If there is no actual work left, then time to unbind. 1246 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1247 1248 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1249 if (mBound) { 1250 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1251 1252 disconnectService(); 1253 } 1254 } else if (mPendingInstalls.size() > 0) { 1255 // There are more pending requests in queue. 1256 // Just post MCS_BOUND message to trigger processing 1257 // of next pending install. 1258 mHandler.sendEmptyMessage(MCS_BOUND); 1259 } 1260 1261 break; 1262 } 1263 case MCS_GIVE_UP: { 1264 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1265 mPendingInstalls.remove(0); 1266 break; 1267 } 1268 case SEND_PENDING_BROADCAST: { 1269 String packages[]; 1270 ArrayList<String> components[]; 1271 int size = 0; 1272 int uids[]; 1273 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1274 synchronized (mPackages) { 1275 if (mPendingBroadcasts == null) { 1276 return; 1277 } 1278 size = mPendingBroadcasts.size(); 1279 if (size <= 0) { 1280 // Nothing to be done. Just return 1281 return; 1282 } 1283 packages = new String[size]; 1284 components = new ArrayList[size]; 1285 uids = new int[size]; 1286 int i = 0; // filling out the above arrays 1287 1288 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1289 int packageUserId = mPendingBroadcasts.userIdAt(n); 1290 Iterator<Map.Entry<String, ArrayList<String>>> it 1291 = mPendingBroadcasts.packagesForUserId(packageUserId) 1292 .entrySet().iterator(); 1293 while (it.hasNext() && i < size) { 1294 Map.Entry<String, ArrayList<String>> ent = it.next(); 1295 packages[i] = ent.getKey(); 1296 components[i] = ent.getValue(); 1297 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1298 uids[i] = (ps != null) 1299 ? UserHandle.getUid(packageUserId, ps.appId) 1300 : -1; 1301 i++; 1302 } 1303 } 1304 size = i; 1305 mPendingBroadcasts.clear(); 1306 } 1307 // Send broadcasts 1308 for (int i = 0; i < size; i++) { 1309 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1310 } 1311 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1312 break; 1313 } 1314 case START_CLEANING_PACKAGE: { 1315 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1316 final String packageName = (String)msg.obj; 1317 final int userId = msg.arg1; 1318 final boolean andCode = msg.arg2 != 0; 1319 synchronized (mPackages) { 1320 if (userId == UserHandle.USER_ALL) { 1321 int[] users = sUserManager.getUserIds(); 1322 for (int user : users) { 1323 mSettings.addPackageToCleanLPw( 1324 new PackageCleanItem(user, packageName, andCode)); 1325 } 1326 } else { 1327 mSettings.addPackageToCleanLPw( 1328 new PackageCleanItem(userId, packageName, andCode)); 1329 } 1330 } 1331 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1332 startCleaningPackages(); 1333 } break; 1334 case POST_INSTALL: { 1335 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1336 PostInstallData data = mRunningInstalls.get(msg.arg1); 1337 mRunningInstalls.delete(msg.arg1); 1338 boolean deleteOld = false; 1339 1340 if (data != null) { 1341 InstallArgs args = data.args; 1342 PackageInstalledInfo res = data.res; 1343 1344 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1345 final String packageName = res.pkg.applicationInfo.packageName; 1346 res.removedInfo.sendBroadcast(false, true, false); 1347 Bundle extras = new Bundle(1); 1348 extras.putInt(Intent.EXTRA_UID, res.uid); 1349 1350 // Now that we successfully installed the package, grant runtime 1351 // permissions if requested before broadcasting the install. 1352 if ((args.installFlags 1353 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1354 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1355 args.installGrantPermissions); 1356 } 1357 1358 // Determine the set of users who are adding this 1359 // package for the first time vs. those who are seeing 1360 // an update. 1361 int[] firstUsers; 1362 int[] updateUsers = new int[0]; 1363 if (res.origUsers == null || res.origUsers.length == 0) { 1364 firstUsers = res.newUsers; 1365 } else { 1366 firstUsers = new int[0]; 1367 for (int i=0; i<res.newUsers.length; i++) { 1368 int user = res.newUsers[i]; 1369 boolean isNew = true; 1370 for (int j=0; j<res.origUsers.length; j++) { 1371 if (res.origUsers[j] == user) { 1372 isNew = false; 1373 break; 1374 } 1375 } 1376 if (isNew) { 1377 int[] newFirst = new int[firstUsers.length+1]; 1378 System.arraycopy(firstUsers, 0, newFirst, 0, 1379 firstUsers.length); 1380 newFirst[firstUsers.length] = user; 1381 firstUsers = newFirst; 1382 } else { 1383 int[] newUpdate = new int[updateUsers.length+1]; 1384 System.arraycopy(updateUsers, 0, newUpdate, 0, 1385 updateUsers.length); 1386 newUpdate[updateUsers.length] = user; 1387 updateUsers = newUpdate; 1388 } 1389 } 1390 } 1391 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1392 packageName, extras, null, null, firstUsers); 1393 final boolean update = res.removedInfo.removedPackage != null; 1394 if (update) { 1395 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1396 } 1397 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1398 packageName, extras, null, null, updateUsers); 1399 if (update) { 1400 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1401 packageName, extras, null, null, updateUsers); 1402 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1403 null, null, packageName, null, updateUsers); 1404 1405 // treat asec-hosted packages like removable media on upgrade 1406 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1407 if (DEBUG_INSTALL) { 1408 Slog.i(TAG, "upgrading pkg " + res.pkg 1409 + " is ASEC-hosted -> AVAILABLE"); 1410 } 1411 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1412 ArrayList<String> pkgList = new ArrayList<String>(1); 1413 pkgList.add(packageName); 1414 sendResourcesChangedBroadcast(true, true, 1415 pkgList,uidArray, null); 1416 } 1417 } 1418 if (res.removedInfo.args != null) { 1419 // Remove the replaced package's older resources safely now 1420 deleteOld = true; 1421 } 1422 1423 // If this app is a browser and it's newly-installed for some 1424 // users, clear any default-browser state in those users 1425 if (firstUsers.length > 0) { 1426 // the app's nature doesn't depend on the user, so we can just 1427 // check its browser nature in any user and generalize. 1428 if (packageIsBrowser(packageName, firstUsers[0])) { 1429 synchronized (mPackages) { 1430 for (int userId : firstUsers) { 1431 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1432 } 1433 } 1434 } 1435 } 1436 // Log current value of "unknown sources" setting 1437 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1438 getUnknownSourcesSettings()); 1439 } 1440 // Force a gc to clear up things 1441 Runtime.getRuntime().gc(); 1442 // We delete after a gc for applications on sdcard. 1443 if (deleteOld) { 1444 synchronized (mInstallLock) { 1445 res.removedInfo.args.doPostDeleteLI(true); 1446 } 1447 } 1448 if (args.observer != null) { 1449 try { 1450 Bundle extras = extrasForInstallResult(res); 1451 args.observer.onPackageInstalled(res.name, res.returnCode, 1452 res.returnMsg, extras); 1453 } catch (RemoteException e) { 1454 Slog.i(TAG, "Observer no longer exists."); 1455 } 1456 } 1457 } else { 1458 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1459 } 1460 } break; 1461 case UPDATED_MEDIA_STATUS: { 1462 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1463 boolean reportStatus = msg.arg1 == 1; 1464 boolean doGc = msg.arg2 == 1; 1465 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1466 if (doGc) { 1467 // Force a gc to clear up stale containers. 1468 Runtime.getRuntime().gc(); 1469 } 1470 if (msg.obj != null) { 1471 @SuppressWarnings("unchecked") 1472 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1473 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1474 // Unload containers 1475 unloadAllContainers(args); 1476 } 1477 if (reportStatus) { 1478 try { 1479 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1480 PackageHelper.getMountService().finishMediaUpdate(); 1481 } catch (RemoteException e) { 1482 Log.e(TAG, "MountService not running?"); 1483 } 1484 } 1485 } break; 1486 case WRITE_SETTINGS: { 1487 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1488 synchronized (mPackages) { 1489 removeMessages(WRITE_SETTINGS); 1490 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1491 mSettings.writeLPr(); 1492 mDirtyUsers.clear(); 1493 } 1494 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1495 } break; 1496 case WRITE_PACKAGE_RESTRICTIONS: { 1497 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1498 synchronized (mPackages) { 1499 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1500 for (int userId : mDirtyUsers) { 1501 mSettings.writePackageRestrictionsLPr(userId); 1502 } 1503 mDirtyUsers.clear(); 1504 } 1505 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1506 } break; 1507 case CHECK_PENDING_VERIFICATION: { 1508 final int verificationId = msg.arg1; 1509 final PackageVerificationState state = mPendingVerification.get(verificationId); 1510 1511 if ((state != null) && !state.timeoutExtended()) { 1512 final InstallArgs args = state.getInstallArgs(); 1513 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1514 1515 Slog.i(TAG, "Verification timed out for " + originUri); 1516 mPendingVerification.remove(verificationId); 1517 1518 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1519 1520 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1521 Slog.i(TAG, "Continuing with installation of " + originUri); 1522 state.setVerifierResponse(Binder.getCallingUid(), 1523 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1524 broadcastPackageVerified(verificationId, originUri, 1525 PackageManager.VERIFICATION_ALLOW, 1526 state.getInstallArgs().getUser()); 1527 try { 1528 ret = args.copyApk(mContainerService, true); 1529 } catch (RemoteException e) { 1530 Slog.e(TAG, "Could not contact the ContainerService"); 1531 } 1532 } else { 1533 broadcastPackageVerified(verificationId, originUri, 1534 PackageManager.VERIFICATION_REJECT, 1535 state.getInstallArgs().getUser()); 1536 } 1537 1538 processPendingInstall(args, ret); 1539 mHandler.sendEmptyMessage(MCS_UNBIND); 1540 } 1541 break; 1542 } 1543 case PACKAGE_VERIFIED: { 1544 final int verificationId = msg.arg1; 1545 1546 final PackageVerificationState state = mPendingVerification.get(verificationId); 1547 if (state == null) { 1548 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1549 break; 1550 } 1551 1552 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1553 1554 state.setVerifierResponse(response.callerUid, response.code); 1555 1556 if (state.isVerificationComplete()) { 1557 mPendingVerification.remove(verificationId); 1558 1559 final InstallArgs args = state.getInstallArgs(); 1560 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1561 1562 int ret; 1563 if (state.isInstallAllowed()) { 1564 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1565 broadcastPackageVerified(verificationId, originUri, 1566 response.code, state.getInstallArgs().getUser()); 1567 try { 1568 ret = args.copyApk(mContainerService, true); 1569 } catch (RemoteException e) { 1570 Slog.e(TAG, "Could not contact the ContainerService"); 1571 } 1572 } else { 1573 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1574 } 1575 1576 processPendingInstall(args, ret); 1577 1578 mHandler.sendEmptyMessage(MCS_UNBIND); 1579 } 1580 1581 break; 1582 } 1583 case START_INTENT_FILTER_VERIFICATIONS: { 1584 IFVerificationParams params = (IFVerificationParams) msg.obj; 1585 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1586 params.replacing, params.pkg); 1587 break; 1588 } 1589 case INTENT_FILTER_VERIFIED: { 1590 final int verificationId = msg.arg1; 1591 1592 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1593 verificationId); 1594 if (state == null) { 1595 Slog.w(TAG, "Invalid IntentFilter verification token " 1596 + verificationId + " received"); 1597 break; 1598 } 1599 1600 final int userId = state.getUserId(); 1601 1602 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1603 "Processing IntentFilter verification with token:" 1604 + verificationId + " and userId:" + userId); 1605 1606 final IntentFilterVerificationResponse response = 1607 (IntentFilterVerificationResponse) msg.obj; 1608 1609 state.setVerifierResponse(response.callerUid, response.code); 1610 1611 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1612 "IntentFilter verification with token:" + verificationId 1613 + " and userId:" + userId 1614 + " is settings verifier response with response code:" 1615 + response.code); 1616 1617 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1618 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1619 + response.getFailedDomainsString()); 1620 } 1621 1622 if (state.isVerificationComplete()) { 1623 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1624 } else { 1625 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1626 "IntentFilter verification with token:" + verificationId 1627 + " was not said to be complete"); 1628 } 1629 1630 break; 1631 } 1632 } 1633 } 1634 } 1635 1636 private StorageEventListener mStorageListener = new StorageEventListener() { 1637 @Override 1638 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1639 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1640 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1641 final String volumeUuid = vol.getFsUuid(); 1642 1643 // Clean up any users or apps that were removed or recreated 1644 // while this volume was missing 1645 reconcileUsers(volumeUuid); 1646 reconcileApps(volumeUuid); 1647 1648 // Clean up any install sessions that expired or were 1649 // cancelled while this volume was missing 1650 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1651 1652 loadPrivatePackages(vol); 1653 1654 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1655 unloadPrivatePackages(vol); 1656 } 1657 } 1658 1659 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1660 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1661 updateExternalMediaStatus(true, false); 1662 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1663 updateExternalMediaStatus(false, false); 1664 } 1665 } 1666 } 1667 1668 @Override 1669 public void onVolumeForgotten(String fsUuid) { 1670 if (TextUtils.isEmpty(fsUuid)) { 1671 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1672 return; 1673 } 1674 1675 // Remove any apps installed on the forgotten volume 1676 synchronized (mPackages) { 1677 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1678 for (PackageSetting ps : packages) { 1679 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1680 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1681 UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS); 1682 } 1683 1684 mSettings.onVolumeForgotten(fsUuid); 1685 mSettings.writeLPr(); 1686 } 1687 } 1688 }; 1689 1690 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1691 String[] grantedPermissions) { 1692 if (userId >= UserHandle.USER_OWNER) { 1693 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1694 } else if (userId == UserHandle.USER_ALL) { 1695 final int[] userIds; 1696 synchronized (mPackages) { 1697 userIds = UserManagerService.getInstance().getUserIds(); 1698 } 1699 for (int someUserId : userIds) { 1700 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1701 } 1702 } 1703 1704 // We could have touched GID membership, so flush out packages.list 1705 synchronized (mPackages) { 1706 mSettings.writePackageListLPr(); 1707 } 1708 } 1709 1710 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1711 String[] grantedPermissions) { 1712 SettingBase sb = (SettingBase) pkg.mExtras; 1713 if (sb == null) { 1714 return; 1715 } 1716 1717 PermissionsState permissionsState = sb.getPermissionsState(); 1718 1719 for (String permission : pkg.requestedPermissions) { 1720 BasePermission bp = mSettings.mPermissions.get(permission); 1721 if (bp != null && bp.isRuntime() && (grantedPermissions == null 1722 || ArrayUtils.contains(grantedPermissions, permission))) { 1723 permissionsState.grantRuntimePermission(bp, userId); 1724 } 1725 } 1726 } 1727 1728 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1729 Bundle extras = null; 1730 switch (res.returnCode) { 1731 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1732 extras = new Bundle(); 1733 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1734 res.origPermission); 1735 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1736 res.origPackage); 1737 break; 1738 } 1739 case PackageManager.INSTALL_SUCCEEDED: { 1740 extras = new Bundle(); 1741 extras.putBoolean(Intent.EXTRA_REPLACING, 1742 res.removedInfo != null && res.removedInfo.removedPackage != null); 1743 break; 1744 } 1745 } 1746 return extras; 1747 } 1748 1749 void scheduleWriteSettingsLocked() { 1750 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1751 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1752 } 1753 } 1754 1755 void scheduleWritePackageRestrictionsLocked(int userId) { 1756 if (!sUserManager.exists(userId)) return; 1757 mDirtyUsers.add(userId); 1758 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1759 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1760 } 1761 } 1762 1763 public static PackageManagerService main(Context context, Installer installer, 1764 boolean factoryTest, boolean onlyCore) { 1765 PackageManagerService m = new PackageManagerService(context, installer, 1766 factoryTest, onlyCore); 1767 ServiceManager.addService("package", m); 1768 return m; 1769 } 1770 1771 static String[] splitString(String str, char sep) { 1772 int count = 1; 1773 int i = 0; 1774 while ((i=str.indexOf(sep, i)) >= 0) { 1775 count++; 1776 i++; 1777 } 1778 1779 String[] res = new String[count]; 1780 i=0; 1781 count = 0; 1782 int lastI=0; 1783 while ((i=str.indexOf(sep, i)) >= 0) { 1784 res[count] = str.substring(lastI, i); 1785 count++; 1786 i++; 1787 lastI = i; 1788 } 1789 res[count] = str.substring(lastI, str.length()); 1790 return res; 1791 } 1792 1793 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1794 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1795 Context.DISPLAY_SERVICE); 1796 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1797 } 1798 1799 public PackageManagerService(Context context, Installer installer, 1800 boolean factoryTest, boolean onlyCore) { 1801 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1802 SystemClock.uptimeMillis()); 1803 1804 if (mSdkVersion <= 0) { 1805 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1806 } 1807 1808 mContext = context; 1809 mFactoryTest = factoryTest; 1810 mOnlyCore = onlyCore; 1811 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1812 mMetrics = new DisplayMetrics(); 1813 mSettings = new Settings(mPackages); 1814 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1815 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1816 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1817 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1818 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1819 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1820 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1821 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1822 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1823 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1824 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1825 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1826 1827 // TODO: add a property to control this? 1828 long dexOptLRUThresholdInMinutes; 1829 if (mLazyDexOpt) { 1830 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1831 } else { 1832 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1833 } 1834 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1835 1836 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1837 if (separateProcesses != null && separateProcesses.length() > 0) { 1838 if ("*".equals(separateProcesses)) { 1839 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1840 mSeparateProcesses = null; 1841 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1842 } else { 1843 mDefParseFlags = 0; 1844 mSeparateProcesses = separateProcesses.split(","); 1845 Slog.w(TAG, "Running with debug.separate_processes: " 1846 + separateProcesses); 1847 } 1848 } else { 1849 mDefParseFlags = 0; 1850 mSeparateProcesses = null; 1851 } 1852 1853 mInstaller = installer; 1854 mPackageDexOptimizer = new PackageDexOptimizer(this); 1855 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1856 1857 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1858 FgThread.get().getLooper()); 1859 1860 getDefaultDisplayMetrics(context, mMetrics); 1861 1862 SystemConfig systemConfig = SystemConfig.getInstance(); 1863 mGlobalGids = systemConfig.getGlobalGids(); 1864 mSystemPermissions = systemConfig.getSystemPermissions(); 1865 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1866 1867 synchronized (mInstallLock) { 1868 // writer 1869 synchronized (mPackages) { 1870 mHandlerThread = new ServiceThread(TAG, 1871 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1872 mHandlerThread.start(); 1873 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1874 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1875 1876 File dataDir = Environment.getDataDirectory(); 1877 mAppDataDir = new File(dataDir, "data"); 1878 mAppInstallDir = new File(dataDir, "app"); 1879 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1880 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1881 mUserAppDataDir = new File(dataDir, "user"); 1882 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1883 1884 sUserManager = new UserManagerService(context, this, 1885 mInstallLock, mPackages); 1886 1887 // Propagate permission configuration in to package manager. 1888 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1889 = systemConfig.getPermissions(); 1890 for (int i=0; i<permConfig.size(); i++) { 1891 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1892 BasePermission bp = mSettings.mPermissions.get(perm.name); 1893 if (bp == null) { 1894 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1895 mSettings.mPermissions.put(perm.name, bp); 1896 } 1897 if (perm.gids != null) { 1898 bp.setGids(perm.gids, perm.perUser); 1899 } 1900 } 1901 1902 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1903 for (int i=0; i<libConfig.size(); i++) { 1904 mSharedLibraries.put(libConfig.keyAt(i), 1905 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1906 } 1907 1908 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1909 1910 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1911 mSdkVersion, mOnlyCore); 1912 1913 String customResolverActivity = Resources.getSystem().getString( 1914 R.string.config_customResolverActivity); 1915 if (TextUtils.isEmpty(customResolverActivity)) { 1916 customResolverActivity = null; 1917 } else { 1918 mCustomResolverComponentName = ComponentName.unflattenFromString( 1919 customResolverActivity); 1920 } 1921 1922 long startTime = SystemClock.uptimeMillis(); 1923 1924 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1925 startTime); 1926 1927 // Set flag to monitor and not change apk file paths when 1928 // scanning install directories. 1929 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1930 1931 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1932 1933 /** 1934 * Add everything in the in the boot class path to the 1935 * list of process files because dexopt will have been run 1936 * if necessary during zygote startup. 1937 */ 1938 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1939 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1940 1941 if (bootClassPath != null) { 1942 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1943 for (String element : bootClassPathElements) { 1944 alreadyDexOpted.add(element); 1945 } 1946 } else { 1947 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1948 } 1949 1950 if (systemServerClassPath != null) { 1951 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1952 for (String element : systemServerClassPathElements) { 1953 alreadyDexOpted.add(element); 1954 } 1955 } else { 1956 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1957 } 1958 1959 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1960 final String[] dexCodeInstructionSets = 1961 getDexCodeInstructionSets( 1962 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1963 1964 /** 1965 * Ensure all external libraries have had dexopt run on them. 1966 */ 1967 if (mSharedLibraries.size() > 0) { 1968 // NOTE: For now, we're compiling these system "shared libraries" 1969 // (and framework jars) into all available architectures. It's possible 1970 // to compile them only when we come across an app that uses them (there's 1971 // already logic for that in scanPackageLI) but that adds some complexity. 1972 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1973 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1974 final String lib = libEntry.path; 1975 if (lib == null) { 1976 continue; 1977 } 1978 1979 try { 1980 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1981 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1982 alreadyDexOpted.add(lib); 1983 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 1984 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 1985 } 1986 } catch (FileNotFoundException e) { 1987 Slog.w(TAG, "Library not found: " + lib); 1988 } catch (IOException e) { 1989 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1990 + e.getMessage()); 1991 } 1992 } 1993 } 1994 } 1995 1996 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1997 1998 // Gross hack for now: we know this file doesn't contain any 1999 // code, so don't dexopt it to avoid the resulting log spew. 2000 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 2001 2002 // Gross hack for now: we know this file is only part of 2003 // the boot class path for art, so don't dexopt it to 2004 // avoid the resulting log spew. 2005 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2006 2007 /** 2008 * There are a number of commands implemented in Java, which 2009 * we currently need to do the dexopt on so that they can be 2010 * run from a non-root shell. 2011 */ 2012 String[] frameworkFiles = frameworkDir.list(); 2013 if (frameworkFiles != null) { 2014 // TODO: We could compile these only for the most preferred ABI. We should 2015 // first double check that the dex files for these commands are not referenced 2016 // by other system apps. 2017 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2018 for (int i=0; i<frameworkFiles.length; i++) { 2019 File libPath = new File(frameworkDir, frameworkFiles[i]); 2020 String path = libPath.getPath(); 2021 // Skip the file if we already did it. 2022 if (alreadyDexOpted.contains(path)) { 2023 continue; 2024 } 2025 // Skip the file if it is not a type we want to dexopt. 2026 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2027 continue; 2028 } 2029 try { 2030 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2031 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2032 mInstaller.dexopt(path, Process.SYSTEM_UID, dexCodeInstructionSet, 2033 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2034 } 2035 } catch (FileNotFoundException e) { 2036 Slog.w(TAG, "Jar not found: " + path); 2037 } catch (IOException e) { 2038 Slog.w(TAG, "Exception reading jar: " + path, e); 2039 } 2040 } 2041 } 2042 } 2043 2044 final VersionInfo ver = mSettings.getInternalVersion(); 2045 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2046 // when upgrading from pre-M, promote system app permissions from install to runtime 2047 mPromoteSystemApps = 2048 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2049 2050 // save off the names of pre-existing system packages prior to scanning; we don't 2051 // want to automatically grant runtime permissions for new system apps 2052 if (mPromoteSystemApps) { 2053 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2054 while (pkgSettingIter.hasNext()) { 2055 PackageSetting ps = pkgSettingIter.next(); 2056 if (isSystemApp(ps)) { 2057 mExistingSystemPackages.add(ps.name); 2058 } 2059 } 2060 } 2061 2062 // Collect vendor overlay packages. 2063 // (Do this before scanning any apps.) 2064 // For security and version matching reason, only consider 2065 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2066 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2067 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2068 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2069 2070 // Find base frameworks (resource packages without code). 2071 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2072 | PackageParser.PARSE_IS_SYSTEM_DIR 2073 | PackageParser.PARSE_IS_PRIVILEGED, 2074 scanFlags | SCAN_NO_DEX, 0); 2075 2076 // Collected privileged system packages. 2077 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2078 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2079 | PackageParser.PARSE_IS_SYSTEM_DIR 2080 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2081 2082 // Collect ordinary system packages. 2083 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2084 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2085 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2086 2087 // Collect all vendor packages. 2088 File vendorAppDir = new File("/vendor/app"); 2089 try { 2090 vendorAppDir = vendorAppDir.getCanonicalFile(); 2091 } catch (IOException e) { 2092 // failed to look up canonical path, continue with original one 2093 } 2094 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2095 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2096 2097 // Collect all OEM packages. 2098 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2099 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2100 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2101 2102 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2103 mInstaller.moveFiles(); 2104 2105 // Prune any system packages that no longer exist. 2106 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2107 if (!mOnlyCore) { 2108 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2109 while (psit.hasNext()) { 2110 PackageSetting ps = psit.next(); 2111 2112 /* 2113 * If this is not a system app, it can't be a 2114 * disable system app. 2115 */ 2116 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2117 continue; 2118 } 2119 2120 /* 2121 * If the package is scanned, it's not erased. 2122 */ 2123 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2124 if (scannedPkg != null) { 2125 /* 2126 * If the system app is both scanned and in the 2127 * disabled packages list, then it must have been 2128 * added via OTA. Remove it from the currently 2129 * scanned package so the previously user-installed 2130 * application can be scanned. 2131 */ 2132 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2133 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2134 + ps.name + "; removing system app. Last known codePath=" 2135 + ps.codePathString + ", installStatus=" + ps.installStatus 2136 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2137 + scannedPkg.mVersionCode); 2138 removePackageLI(ps, true); 2139 mExpectingBetter.put(ps.name, ps.codePath); 2140 } 2141 2142 continue; 2143 } 2144 2145 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2146 psit.remove(); 2147 logCriticalInfo(Log.WARN, "System package " + ps.name 2148 + " no longer exists; wiping its data"); 2149 removeDataDirsLI(null, ps.name); 2150 } else { 2151 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2152 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2153 possiblyDeletedUpdatedSystemApps.add(ps.name); 2154 } 2155 } 2156 } 2157 } 2158 2159 //look for any incomplete package installations 2160 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2161 //clean up list 2162 for(int i = 0; i < deletePkgsList.size(); i++) { 2163 //clean up here 2164 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2165 } 2166 //delete tmp files 2167 deleteTempPackageFiles(); 2168 2169 // Remove any shared userIDs that have no associated packages 2170 mSettings.pruneSharedUsersLPw(); 2171 2172 if (!mOnlyCore) { 2173 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2174 SystemClock.uptimeMillis()); 2175 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2176 2177 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2178 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2179 2180 /** 2181 * Remove disable package settings for any updated system 2182 * apps that were removed via an OTA. If they're not a 2183 * previously-updated app, remove them completely. 2184 * Otherwise, just revoke their system-level permissions. 2185 */ 2186 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2187 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2188 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2189 2190 String msg; 2191 if (deletedPkg == null) { 2192 msg = "Updated system package " + deletedAppName 2193 + " no longer exists; wiping its data"; 2194 removeDataDirsLI(null, deletedAppName); 2195 } else { 2196 msg = "Updated system app + " + deletedAppName 2197 + " no longer present; removing system privileges for " 2198 + deletedAppName; 2199 2200 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2201 2202 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2203 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2204 } 2205 logCriticalInfo(Log.WARN, msg); 2206 } 2207 2208 /** 2209 * Make sure all system apps that we expected to appear on 2210 * the userdata partition actually showed up. If they never 2211 * appeared, crawl back and revive the system version. 2212 */ 2213 for (int i = 0; i < mExpectingBetter.size(); i++) { 2214 final String packageName = mExpectingBetter.keyAt(i); 2215 if (!mPackages.containsKey(packageName)) { 2216 final File scanFile = mExpectingBetter.valueAt(i); 2217 2218 logCriticalInfo(Log.WARN, "Expected better " + packageName 2219 + " but never showed up; reverting to system"); 2220 2221 final int reparseFlags; 2222 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2223 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2224 | PackageParser.PARSE_IS_SYSTEM_DIR 2225 | PackageParser.PARSE_IS_PRIVILEGED; 2226 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2227 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2228 | PackageParser.PARSE_IS_SYSTEM_DIR; 2229 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2230 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2231 | PackageParser.PARSE_IS_SYSTEM_DIR; 2232 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2233 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2234 | PackageParser.PARSE_IS_SYSTEM_DIR; 2235 } else { 2236 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2237 continue; 2238 } 2239 2240 mSettings.enableSystemPackageLPw(packageName); 2241 2242 try { 2243 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2244 } catch (PackageManagerException e) { 2245 Slog.e(TAG, "Failed to parse original system package: " 2246 + e.getMessage()); 2247 } 2248 } 2249 } 2250 } 2251 mExpectingBetter.clear(); 2252 2253 // Now that we know all of the shared libraries, update all clients to have 2254 // the correct library paths. 2255 updateAllSharedLibrariesLPw(); 2256 2257 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2258 // NOTE: We ignore potential failures here during a system scan (like 2259 // the rest of the commands above) because there's precious little we 2260 // can do about it. A settings error is reported, though. 2261 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2262 false /* force dexopt */, false /* defer dexopt */, 2263 false /* boot complete */); 2264 } 2265 2266 // Now that we know all the packages we are keeping, 2267 // read and update their last usage times. 2268 mPackageUsage.readLP(); 2269 2270 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2271 SystemClock.uptimeMillis()); 2272 Slog.i(TAG, "Time to scan packages: " 2273 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2274 + " seconds"); 2275 2276 // If the platform SDK has changed since the last time we booted, 2277 // we need to re-grant app permission to catch any new ones that 2278 // appear. This is really a hack, and means that apps can in some 2279 // cases get permissions that the user didn't initially explicitly 2280 // allow... it would be nice to have some better way to handle 2281 // this situation. 2282 int updateFlags = UPDATE_PERMISSIONS_ALL; 2283 if (ver.sdkVersion != mSdkVersion) { 2284 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2285 + mSdkVersion + "; regranting permissions for internal storage"); 2286 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2287 } 2288 updatePermissionsLPw(null, null, updateFlags); 2289 ver.sdkVersion = mSdkVersion; 2290 2291 // If this is the first boot or an update from pre-M, and it is a normal 2292 // boot, then we need to initialize the default preferred apps across 2293 // all defined users. 2294 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2295 for (UserInfo user : sUserManager.getUsers(true)) { 2296 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2297 applyFactoryDefaultBrowserLPw(user.id); 2298 primeDomainVerificationsLPw(user.id); 2299 } 2300 } 2301 2302 // If this is first boot after an OTA, and a normal boot, then 2303 // we need to clear code cache directories. 2304 if (mIsUpgrade && !onlyCore) { 2305 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2306 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2307 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2308 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2309 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2310 } 2311 } 2312 ver.fingerprint = Build.FINGERPRINT; 2313 } 2314 2315 checkDefaultBrowser(); 2316 2317 // clear only after permissions and other defaults have been updated 2318 mExistingSystemPackages.clear(); 2319 mPromoteSystemApps = false; 2320 2321 // All the changes are done during package scanning. 2322 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2323 2324 // can downgrade to reader 2325 mSettings.writeLPr(); 2326 2327 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2328 SystemClock.uptimeMillis()); 2329 2330 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2331 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2332 2333 mInstallerService = new PackageInstallerService(context, this); 2334 2335 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2336 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2337 mIntentFilterVerifierComponent); 2338 2339 } // synchronized (mPackages) 2340 } // synchronized (mInstallLock) 2341 2342 // Now after opening every single application zip, make sure they 2343 // are all flushed. Not really needed, but keeps things nice and 2344 // tidy. 2345 Runtime.getRuntime().gc(); 2346 2347 // Expose private service for system components to use. 2348 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2349 } 2350 2351 @Override 2352 public boolean isFirstBoot() { 2353 return !mRestoredSettings; 2354 } 2355 2356 @Override 2357 public boolean isOnlyCoreApps() { 2358 return mOnlyCore; 2359 } 2360 2361 @Override 2362 public boolean isUpgrade() { 2363 return mIsUpgrade; 2364 } 2365 2366 private String getRequiredVerifierLPr() { 2367 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2368 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2369 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2370 2371 String requiredVerifier = null; 2372 2373 final int N = receivers.size(); 2374 for (int i = 0; i < N; i++) { 2375 final ResolveInfo info = receivers.get(i); 2376 2377 if (info.activityInfo == null) { 2378 continue; 2379 } 2380 2381 final String packageName = info.activityInfo.packageName; 2382 2383 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2384 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2385 continue; 2386 } 2387 2388 if (requiredVerifier != null) { 2389 throw new RuntimeException("There can be only one required verifier"); 2390 } 2391 2392 requiredVerifier = packageName; 2393 } 2394 2395 return requiredVerifier; 2396 } 2397 2398 private String getRequiredInstallerLPr() { 2399 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2400 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2401 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2402 2403 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2404 PACKAGE_MIME_TYPE, 0, 0); 2405 2406 String requiredInstaller = null; 2407 2408 final int N = installers.size(); 2409 for (int i = 0; i < N; i++) { 2410 final ResolveInfo info = installers.get(i); 2411 final String packageName = info.activityInfo.packageName; 2412 2413 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2414 continue; 2415 } 2416 2417 if (requiredInstaller != null) { 2418 throw new RuntimeException("There must be one required installer"); 2419 } 2420 2421 requiredInstaller = packageName; 2422 } 2423 2424 if (requiredInstaller == null) { 2425 throw new RuntimeException("There must be one required installer"); 2426 } 2427 2428 return requiredInstaller; 2429 } 2430 2431 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2432 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2433 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2434 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2435 2436 ComponentName verifierComponentName = null; 2437 2438 int priority = -1000; 2439 final int N = receivers.size(); 2440 for (int i = 0; i < N; i++) { 2441 final ResolveInfo info = receivers.get(i); 2442 2443 if (info.activityInfo == null) { 2444 continue; 2445 } 2446 2447 final String packageName = info.activityInfo.packageName; 2448 2449 final PackageSetting ps = mSettings.mPackages.get(packageName); 2450 if (ps == null) { 2451 continue; 2452 } 2453 2454 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2455 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2456 continue; 2457 } 2458 2459 // Select the IntentFilterVerifier with the highest priority 2460 if (priority < info.priority) { 2461 priority = info.priority; 2462 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2463 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2464 + verifierComponentName + " with priority: " + info.priority); 2465 } 2466 } 2467 2468 return verifierComponentName; 2469 } 2470 2471 private void primeDomainVerificationsLPw(int userId) { 2472 if (DEBUG_DOMAIN_VERIFICATION) { 2473 Slog.d(TAG, "Priming domain verifications in user " + userId); 2474 } 2475 2476 SystemConfig systemConfig = SystemConfig.getInstance(); 2477 ArraySet<String> packages = systemConfig.getLinkedApps(); 2478 ArraySet<String> domains = new ArraySet<String>(); 2479 2480 for (String packageName : packages) { 2481 PackageParser.Package pkg = mPackages.get(packageName); 2482 if (pkg != null) { 2483 if (!pkg.isSystemApp()) { 2484 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2485 continue; 2486 } 2487 2488 domains.clear(); 2489 for (PackageParser.Activity a : pkg.activities) { 2490 for (ActivityIntentInfo filter : a.intents) { 2491 if (hasValidDomains(filter)) { 2492 domains.addAll(filter.getHostsList()); 2493 } 2494 } 2495 } 2496 2497 if (domains.size() > 0) { 2498 if (DEBUG_DOMAIN_VERIFICATION) { 2499 Slog.v(TAG, " + " + packageName); 2500 } 2501 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2502 // state w.r.t. the formal app-linkage "no verification attempted" state; 2503 // and then 'always' in the per-user state actually used for intent resolution. 2504 final IntentFilterVerificationInfo ivi; 2505 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2506 new ArrayList<String>(domains)); 2507 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2508 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2509 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2510 } else { 2511 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2512 + "' does not handle web links"); 2513 } 2514 } else { 2515 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2516 } 2517 } 2518 2519 scheduleWritePackageRestrictionsLocked(userId); 2520 scheduleWriteSettingsLocked(); 2521 } 2522 2523 private void applyFactoryDefaultBrowserLPw(int userId) { 2524 // The default browser app's package name is stored in a string resource, 2525 // with a product-specific overlay used for vendor customization. 2526 String browserPkg = mContext.getResources().getString( 2527 com.android.internal.R.string.default_browser); 2528 if (!TextUtils.isEmpty(browserPkg)) { 2529 // non-empty string => required to be a known package 2530 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2531 if (ps == null) { 2532 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2533 browserPkg = null; 2534 } else { 2535 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2536 } 2537 } 2538 2539 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2540 // default. If there's more than one, just leave everything alone. 2541 if (browserPkg == null) { 2542 calculateDefaultBrowserLPw(userId); 2543 } 2544 } 2545 2546 private void calculateDefaultBrowserLPw(int userId) { 2547 List<String> allBrowsers = resolveAllBrowserApps(userId); 2548 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2549 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2550 } 2551 2552 private List<String> resolveAllBrowserApps(int userId) { 2553 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2554 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2555 PackageManager.MATCH_ALL, userId); 2556 2557 final int count = list.size(); 2558 List<String> result = new ArrayList<String>(count); 2559 for (int i=0; i<count; i++) { 2560 ResolveInfo info = list.get(i); 2561 if (info.activityInfo == null 2562 || !info.handleAllWebDataURI 2563 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2564 || result.contains(info.activityInfo.packageName)) { 2565 continue; 2566 } 2567 result.add(info.activityInfo.packageName); 2568 } 2569 2570 return result; 2571 } 2572 2573 private boolean packageIsBrowser(String packageName, int userId) { 2574 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2575 PackageManager.MATCH_ALL, userId); 2576 final int N = list.size(); 2577 for (int i = 0; i < N; i++) { 2578 ResolveInfo info = list.get(i); 2579 if (packageName.equals(info.activityInfo.packageName)) { 2580 return true; 2581 } 2582 } 2583 return false; 2584 } 2585 2586 private void checkDefaultBrowser() { 2587 final int myUserId = UserHandle.myUserId(); 2588 final String packageName = getDefaultBrowserPackageName(myUserId); 2589 if (packageName != null) { 2590 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2591 if (info == null) { 2592 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2593 synchronized (mPackages) { 2594 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2595 } 2596 } 2597 } 2598 } 2599 2600 @Override 2601 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2602 throws RemoteException { 2603 try { 2604 return super.onTransact(code, data, reply, flags); 2605 } catch (RuntimeException e) { 2606 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2607 Slog.wtf(TAG, "Package Manager Crash", e); 2608 } 2609 throw e; 2610 } 2611 } 2612 2613 void cleanupInstallFailedPackage(PackageSetting ps) { 2614 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2615 2616 removeDataDirsLI(ps.volumeUuid, ps.name); 2617 if (ps.codePath != null) { 2618 if (ps.codePath.isDirectory()) { 2619 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2620 } else { 2621 ps.codePath.delete(); 2622 } 2623 } 2624 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2625 if (ps.resourcePath.isDirectory()) { 2626 FileUtils.deleteContents(ps.resourcePath); 2627 } 2628 ps.resourcePath.delete(); 2629 } 2630 mSettings.removePackageLPw(ps.name); 2631 } 2632 2633 static int[] appendInts(int[] cur, int[] add) { 2634 if (add == null) return cur; 2635 if (cur == null) return add; 2636 final int N = add.length; 2637 for (int i=0; i<N; i++) { 2638 cur = appendInt(cur, add[i]); 2639 } 2640 return cur; 2641 } 2642 2643 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2644 if (!sUserManager.exists(userId)) return null; 2645 final PackageSetting ps = (PackageSetting) p.mExtras; 2646 if (ps == null) { 2647 return null; 2648 } 2649 2650 final PermissionsState permissionsState = ps.getPermissionsState(); 2651 2652 final int[] gids = permissionsState.computeGids(userId); 2653 final Set<String> permissions = permissionsState.getPermissions(userId); 2654 final PackageUserState state = ps.readUserState(userId); 2655 2656 return PackageParser.generatePackageInfo(p, gids, flags, 2657 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2658 } 2659 2660 @Override 2661 public boolean isPackageFrozen(String packageName) { 2662 synchronized (mPackages) { 2663 final PackageSetting ps = mSettings.mPackages.get(packageName); 2664 if (ps != null) { 2665 return ps.frozen; 2666 } 2667 } 2668 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2669 return true; 2670 } 2671 2672 @Override 2673 public boolean isPackageAvailable(String packageName, int userId) { 2674 if (!sUserManager.exists(userId)) return false; 2675 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2676 synchronized (mPackages) { 2677 PackageParser.Package p = mPackages.get(packageName); 2678 if (p != null) { 2679 final PackageSetting ps = (PackageSetting) p.mExtras; 2680 if (ps != null) { 2681 final PackageUserState state = ps.readUserState(userId); 2682 if (state != null) { 2683 return PackageParser.isAvailable(state); 2684 } 2685 } 2686 } 2687 } 2688 return false; 2689 } 2690 2691 @Override 2692 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2693 if (!sUserManager.exists(userId)) return null; 2694 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2695 // reader 2696 synchronized (mPackages) { 2697 PackageParser.Package p = mPackages.get(packageName); 2698 if (DEBUG_PACKAGE_INFO) 2699 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2700 if (p != null) { 2701 return generatePackageInfo(p, flags, userId); 2702 } 2703 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2704 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2705 } 2706 } 2707 return null; 2708 } 2709 2710 @Override 2711 public String[] currentToCanonicalPackageNames(String[] names) { 2712 String[] out = new String[names.length]; 2713 // reader 2714 synchronized (mPackages) { 2715 for (int i=names.length-1; i>=0; i--) { 2716 PackageSetting ps = mSettings.mPackages.get(names[i]); 2717 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2718 } 2719 } 2720 return out; 2721 } 2722 2723 @Override 2724 public String[] canonicalToCurrentPackageNames(String[] names) { 2725 String[] out = new String[names.length]; 2726 // reader 2727 synchronized (mPackages) { 2728 for (int i=names.length-1; i>=0; i--) { 2729 String cur = mSettings.mRenamedPackages.get(names[i]); 2730 out[i] = cur != null ? cur : names[i]; 2731 } 2732 } 2733 return out; 2734 } 2735 2736 @Override 2737 public int getPackageUid(String packageName, int userId) { 2738 if (!sUserManager.exists(userId)) return -1; 2739 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2740 2741 // reader 2742 synchronized (mPackages) { 2743 PackageParser.Package p = mPackages.get(packageName); 2744 if(p != null) { 2745 return UserHandle.getUid(userId, p.applicationInfo.uid); 2746 } 2747 PackageSetting ps = mSettings.mPackages.get(packageName); 2748 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2749 return -1; 2750 } 2751 p = ps.pkg; 2752 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2753 } 2754 } 2755 2756 @Override 2757 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2758 if (!sUserManager.exists(userId)) { 2759 return null; 2760 } 2761 2762 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2763 "getPackageGids"); 2764 2765 // reader 2766 synchronized (mPackages) { 2767 PackageParser.Package p = mPackages.get(packageName); 2768 if (DEBUG_PACKAGE_INFO) { 2769 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2770 } 2771 if (p != null) { 2772 PackageSetting ps = (PackageSetting) p.mExtras; 2773 return ps.getPermissionsState().computeGids(userId); 2774 } 2775 } 2776 2777 return null; 2778 } 2779 2780 static PermissionInfo generatePermissionInfo( 2781 BasePermission bp, int flags) { 2782 if (bp.perm != null) { 2783 return PackageParser.generatePermissionInfo(bp.perm, flags); 2784 } 2785 PermissionInfo pi = new PermissionInfo(); 2786 pi.name = bp.name; 2787 pi.packageName = bp.sourcePackage; 2788 pi.nonLocalizedLabel = bp.name; 2789 pi.protectionLevel = bp.protectionLevel; 2790 return pi; 2791 } 2792 2793 @Override 2794 public PermissionInfo getPermissionInfo(String name, int flags) { 2795 // reader 2796 synchronized (mPackages) { 2797 final BasePermission p = mSettings.mPermissions.get(name); 2798 if (p != null) { 2799 return generatePermissionInfo(p, flags); 2800 } 2801 return null; 2802 } 2803 } 2804 2805 @Override 2806 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2807 // reader 2808 synchronized (mPackages) { 2809 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2810 for (BasePermission p : mSettings.mPermissions.values()) { 2811 if (group == null) { 2812 if (p.perm == null || p.perm.info.group == null) { 2813 out.add(generatePermissionInfo(p, flags)); 2814 } 2815 } else { 2816 if (p.perm != null && group.equals(p.perm.info.group)) { 2817 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2818 } 2819 } 2820 } 2821 2822 if (out.size() > 0) { 2823 return out; 2824 } 2825 return mPermissionGroups.containsKey(group) ? out : null; 2826 } 2827 } 2828 2829 @Override 2830 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2831 // reader 2832 synchronized (mPackages) { 2833 return PackageParser.generatePermissionGroupInfo( 2834 mPermissionGroups.get(name), flags); 2835 } 2836 } 2837 2838 @Override 2839 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2840 // reader 2841 synchronized (mPackages) { 2842 final int N = mPermissionGroups.size(); 2843 ArrayList<PermissionGroupInfo> out 2844 = new ArrayList<PermissionGroupInfo>(N); 2845 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2846 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2847 } 2848 return out; 2849 } 2850 } 2851 2852 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2853 int userId) { 2854 if (!sUserManager.exists(userId)) return null; 2855 PackageSetting ps = mSettings.mPackages.get(packageName); 2856 if (ps != null) { 2857 if (ps.pkg == null) { 2858 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2859 flags, userId); 2860 if (pInfo != null) { 2861 return pInfo.applicationInfo; 2862 } 2863 return null; 2864 } 2865 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2866 ps.readUserState(userId), userId); 2867 } 2868 return null; 2869 } 2870 2871 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2872 int userId) { 2873 if (!sUserManager.exists(userId)) return null; 2874 PackageSetting ps = mSettings.mPackages.get(packageName); 2875 if (ps != null) { 2876 PackageParser.Package pkg = ps.pkg; 2877 if (pkg == null) { 2878 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2879 return null; 2880 } 2881 // Only data remains, so we aren't worried about code paths 2882 pkg = new PackageParser.Package(packageName); 2883 pkg.applicationInfo.packageName = packageName; 2884 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2885 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2886 pkg.applicationInfo.dataDir = Environment 2887 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2888 .getAbsolutePath(); 2889 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2890 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2891 } 2892 return generatePackageInfo(pkg, flags, userId); 2893 } 2894 return null; 2895 } 2896 2897 @Override 2898 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2899 if (!sUserManager.exists(userId)) return null; 2900 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2901 // writer 2902 synchronized (mPackages) { 2903 PackageParser.Package p = mPackages.get(packageName); 2904 if (DEBUG_PACKAGE_INFO) Log.v( 2905 TAG, "getApplicationInfo " + packageName 2906 + ": " + p); 2907 if (p != null) { 2908 PackageSetting ps = mSettings.mPackages.get(packageName); 2909 if (ps == null) return null; 2910 // Note: isEnabledLP() does not apply here - always return info 2911 return PackageParser.generateApplicationInfo( 2912 p, flags, ps.readUserState(userId), userId); 2913 } 2914 if ("android".equals(packageName)||"system".equals(packageName)) { 2915 return mAndroidApplication; 2916 } 2917 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2918 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2919 } 2920 } 2921 return null; 2922 } 2923 2924 @Override 2925 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2926 final IPackageDataObserver observer) { 2927 mContext.enforceCallingOrSelfPermission( 2928 android.Manifest.permission.CLEAR_APP_CACHE, null); 2929 // Queue up an async operation since clearing cache may take a little while. 2930 mHandler.post(new Runnable() { 2931 public void run() { 2932 mHandler.removeCallbacks(this); 2933 int retCode = -1; 2934 synchronized (mInstallLock) { 2935 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2936 if (retCode < 0) { 2937 Slog.w(TAG, "Couldn't clear application caches"); 2938 } 2939 } 2940 if (observer != null) { 2941 try { 2942 observer.onRemoveCompleted(null, (retCode >= 0)); 2943 } catch (RemoteException e) { 2944 Slog.w(TAG, "RemoveException when invoking call back"); 2945 } 2946 } 2947 } 2948 }); 2949 } 2950 2951 @Override 2952 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2953 final IntentSender pi) { 2954 mContext.enforceCallingOrSelfPermission( 2955 android.Manifest.permission.CLEAR_APP_CACHE, null); 2956 // Queue up an async operation since clearing cache may take a little while. 2957 mHandler.post(new Runnable() { 2958 public void run() { 2959 mHandler.removeCallbacks(this); 2960 int retCode = -1; 2961 synchronized (mInstallLock) { 2962 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2963 if (retCode < 0) { 2964 Slog.w(TAG, "Couldn't clear application caches"); 2965 } 2966 } 2967 if(pi != null) { 2968 try { 2969 // Callback via pending intent 2970 int code = (retCode >= 0) ? 1 : 0; 2971 pi.sendIntent(null, code, null, 2972 null, null); 2973 } catch (SendIntentException e1) { 2974 Slog.i(TAG, "Failed to send pending intent"); 2975 } 2976 } 2977 } 2978 }); 2979 } 2980 2981 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 2982 synchronized (mInstallLock) { 2983 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 2984 throw new IOException("Failed to free enough space"); 2985 } 2986 } 2987 } 2988 2989 @Override 2990 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2991 if (!sUserManager.exists(userId)) return null; 2992 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2993 synchronized (mPackages) { 2994 PackageParser.Activity a = mActivities.mActivities.get(component); 2995 2996 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2997 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2998 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2999 if (ps == null) return null; 3000 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3001 userId); 3002 } 3003 if (mResolveComponentName.equals(component)) { 3004 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3005 new PackageUserState(), userId); 3006 } 3007 } 3008 return null; 3009 } 3010 3011 @Override 3012 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3013 String resolvedType) { 3014 synchronized (mPackages) { 3015 if (component.equals(mResolveComponentName)) { 3016 // The resolver supports EVERYTHING! 3017 return true; 3018 } 3019 PackageParser.Activity a = mActivities.mActivities.get(component); 3020 if (a == null) { 3021 return false; 3022 } 3023 for (int i=0; i<a.intents.size(); i++) { 3024 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3025 intent.getData(), intent.getCategories(), TAG) >= 0) { 3026 return true; 3027 } 3028 } 3029 return false; 3030 } 3031 } 3032 3033 @Override 3034 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3035 if (!sUserManager.exists(userId)) return null; 3036 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3037 synchronized (mPackages) { 3038 PackageParser.Activity a = mReceivers.mActivities.get(component); 3039 if (DEBUG_PACKAGE_INFO) Log.v( 3040 TAG, "getReceiverInfo " + component + ": " + a); 3041 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3042 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3043 if (ps == null) return null; 3044 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3045 userId); 3046 } 3047 } 3048 return null; 3049 } 3050 3051 @Override 3052 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3053 if (!sUserManager.exists(userId)) return null; 3054 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3055 synchronized (mPackages) { 3056 PackageParser.Service s = mServices.mServices.get(component); 3057 if (DEBUG_PACKAGE_INFO) Log.v( 3058 TAG, "getServiceInfo " + component + ": " + s); 3059 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3060 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3061 if (ps == null) return null; 3062 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3063 userId); 3064 } 3065 } 3066 return null; 3067 } 3068 3069 @Override 3070 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3071 if (!sUserManager.exists(userId)) return null; 3072 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3073 synchronized (mPackages) { 3074 PackageParser.Provider p = mProviders.mProviders.get(component); 3075 if (DEBUG_PACKAGE_INFO) Log.v( 3076 TAG, "getProviderInfo " + component + ": " + p); 3077 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3078 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3079 if (ps == null) return null; 3080 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3081 userId); 3082 } 3083 } 3084 return null; 3085 } 3086 3087 @Override 3088 public String[] getSystemSharedLibraryNames() { 3089 Set<String> libSet; 3090 synchronized (mPackages) { 3091 libSet = mSharedLibraries.keySet(); 3092 int size = libSet.size(); 3093 if (size > 0) { 3094 String[] libs = new String[size]; 3095 libSet.toArray(libs); 3096 return libs; 3097 } 3098 } 3099 return null; 3100 } 3101 3102 /** 3103 * @hide 3104 */ 3105 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3106 synchronized (mPackages) { 3107 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3108 if (lib != null && lib.apk != null) { 3109 return mPackages.get(lib.apk); 3110 } 3111 } 3112 return null; 3113 } 3114 3115 @Override 3116 public FeatureInfo[] getSystemAvailableFeatures() { 3117 Collection<FeatureInfo> featSet; 3118 synchronized (mPackages) { 3119 featSet = mAvailableFeatures.values(); 3120 int size = featSet.size(); 3121 if (size > 0) { 3122 FeatureInfo[] features = new FeatureInfo[size+1]; 3123 featSet.toArray(features); 3124 FeatureInfo fi = new FeatureInfo(); 3125 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3126 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3127 features[size] = fi; 3128 return features; 3129 } 3130 } 3131 return null; 3132 } 3133 3134 @Override 3135 public boolean hasSystemFeature(String name) { 3136 synchronized (mPackages) { 3137 return mAvailableFeatures.containsKey(name); 3138 } 3139 } 3140 3141 private void checkValidCaller(int uid, int userId) { 3142 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3143 return; 3144 3145 throw new SecurityException("Caller uid=" + uid 3146 + " is not privileged to communicate with user=" + userId); 3147 } 3148 3149 @Override 3150 public int checkPermission(String permName, String pkgName, int userId) { 3151 if (!sUserManager.exists(userId)) { 3152 return PackageManager.PERMISSION_DENIED; 3153 } 3154 3155 synchronized (mPackages) { 3156 final PackageParser.Package p = mPackages.get(pkgName); 3157 if (p != null && p.mExtras != null) { 3158 final PackageSetting ps = (PackageSetting) p.mExtras; 3159 final PermissionsState permissionsState = ps.getPermissionsState(); 3160 if (permissionsState.hasPermission(permName, userId)) { 3161 return PackageManager.PERMISSION_GRANTED; 3162 } 3163 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3164 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3165 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3166 return PackageManager.PERMISSION_GRANTED; 3167 } 3168 } 3169 } 3170 3171 return PackageManager.PERMISSION_DENIED; 3172 } 3173 3174 @Override 3175 public int checkUidPermission(String permName, int uid) { 3176 final int userId = UserHandle.getUserId(uid); 3177 3178 if (!sUserManager.exists(userId)) { 3179 return PackageManager.PERMISSION_DENIED; 3180 } 3181 3182 synchronized (mPackages) { 3183 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3184 if (obj != null) { 3185 final SettingBase ps = (SettingBase) obj; 3186 final PermissionsState permissionsState = ps.getPermissionsState(); 3187 if (permissionsState.hasPermission(permName, userId)) { 3188 return PackageManager.PERMISSION_GRANTED; 3189 } 3190 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3191 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3192 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3193 return PackageManager.PERMISSION_GRANTED; 3194 } 3195 } else { 3196 ArraySet<String> perms = mSystemPermissions.get(uid); 3197 if (perms != null) { 3198 if (perms.contains(permName)) { 3199 return PackageManager.PERMISSION_GRANTED; 3200 } 3201 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3202 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3203 return PackageManager.PERMISSION_GRANTED; 3204 } 3205 } 3206 } 3207 } 3208 3209 return PackageManager.PERMISSION_DENIED; 3210 } 3211 3212 @Override 3213 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3214 if (UserHandle.getCallingUserId() != userId) { 3215 mContext.enforceCallingPermission( 3216 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3217 "isPermissionRevokedByPolicy for user " + userId); 3218 } 3219 3220 if (checkPermission(permission, packageName, userId) 3221 == PackageManager.PERMISSION_GRANTED) { 3222 return false; 3223 } 3224 3225 final long identity = Binder.clearCallingIdentity(); 3226 try { 3227 final int flags = getPermissionFlags(permission, packageName, userId); 3228 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3229 } finally { 3230 Binder.restoreCallingIdentity(identity); 3231 } 3232 } 3233 3234 @Override 3235 public String getPermissionControllerPackageName() { 3236 synchronized (mPackages) { 3237 return mRequiredInstallerPackage; 3238 } 3239 } 3240 3241 /** 3242 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3243 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3244 * @param checkShell TODO(yamasani): 3245 * @param message the message to log on security exception 3246 */ 3247 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3248 boolean checkShell, String message) { 3249 if (userId < 0) { 3250 throw new IllegalArgumentException("Invalid userId " + userId); 3251 } 3252 if (checkShell) { 3253 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3254 } 3255 if (userId == UserHandle.getUserId(callingUid)) return; 3256 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3257 if (requireFullPermission) { 3258 mContext.enforceCallingOrSelfPermission( 3259 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3260 } else { 3261 try { 3262 mContext.enforceCallingOrSelfPermission( 3263 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3264 } catch (SecurityException se) { 3265 mContext.enforceCallingOrSelfPermission( 3266 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3267 } 3268 } 3269 } 3270 } 3271 3272 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3273 if (callingUid == Process.SHELL_UID) { 3274 if (userHandle >= 0 3275 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3276 throw new SecurityException("Shell does not have permission to access user " 3277 + userHandle); 3278 } else if (userHandle < 0) { 3279 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3280 + Debug.getCallers(3)); 3281 } 3282 } 3283 } 3284 3285 private BasePermission findPermissionTreeLP(String permName) { 3286 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3287 if (permName.startsWith(bp.name) && 3288 permName.length() > bp.name.length() && 3289 permName.charAt(bp.name.length()) == '.') { 3290 return bp; 3291 } 3292 } 3293 return null; 3294 } 3295 3296 private BasePermission checkPermissionTreeLP(String permName) { 3297 if (permName != null) { 3298 BasePermission bp = findPermissionTreeLP(permName); 3299 if (bp != null) { 3300 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3301 return bp; 3302 } 3303 throw new SecurityException("Calling uid " 3304 + Binder.getCallingUid() 3305 + " is not allowed to add to permission tree " 3306 + bp.name + " owned by uid " + bp.uid); 3307 } 3308 } 3309 throw new SecurityException("No permission tree found for " + permName); 3310 } 3311 3312 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3313 if (s1 == null) { 3314 return s2 == null; 3315 } 3316 if (s2 == null) { 3317 return false; 3318 } 3319 if (s1.getClass() != s2.getClass()) { 3320 return false; 3321 } 3322 return s1.equals(s2); 3323 } 3324 3325 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3326 if (pi1.icon != pi2.icon) return false; 3327 if (pi1.logo != pi2.logo) return false; 3328 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3329 if (!compareStrings(pi1.name, pi2.name)) return false; 3330 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3331 // We'll take care of setting this one. 3332 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3333 // These are not currently stored in settings. 3334 //if (!compareStrings(pi1.group, pi2.group)) return false; 3335 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3336 //if (pi1.labelRes != pi2.labelRes) return false; 3337 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3338 return true; 3339 } 3340 3341 int permissionInfoFootprint(PermissionInfo info) { 3342 int size = info.name.length(); 3343 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3344 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3345 return size; 3346 } 3347 3348 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3349 int size = 0; 3350 for (BasePermission perm : mSettings.mPermissions.values()) { 3351 if (perm.uid == tree.uid) { 3352 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3353 } 3354 } 3355 return size; 3356 } 3357 3358 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3359 // We calculate the max size of permissions defined by this uid and throw 3360 // if that plus the size of 'info' would exceed our stated maximum. 3361 if (tree.uid != Process.SYSTEM_UID) { 3362 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3363 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3364 throw new SecurityException("Permission tree size cap exceeded"); 3365 } 3366 } 3367 } 3368 3369 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3370 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3371 throw new SecurityException("Label must be specified in permission"); 3372 } 3373 BasePermission tree = checkPermissionTreeLP(info.name); 3374 BasePermission bp = mSettings.mPermissions.get(info.name); 3375 boolean added = bp == null; 3376 boolean changed = true; 3377 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3378 if (added) { 3379 enforcePermissionCapLocked(info, tree); 3380 bp = new BasePermission(info.name, tree.sourcePackage, 3381 BasePermission.TYPE_DYNAMIC); 3382 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3383 throw new SecurityException( 3384 "Not allowed to modify non-dynamic permission " 3385 + info.name); 3386 } else { 3387 if (bp.protectionLevel == fixedLevel 3388 && bp.perm.owner.equals(tree.perm.owner) 3389 && bp.uid == tree.uid 3390 && comparePermissionInfos(bp.perm.info, info)) { 3391 changed = false; 3392 } 3393 } 3394 bp.protectionLevel = fixedLevel; 3395 info = new PermissionInfo(info); 3396 info.protectionLevel = fixedLevel; 3397 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3398 bp.perm.info.packageName = tree.perm.info.packageName; 3399 bp.uid = tree.uid; 3400 if (added) { 3401 mSettings.mPermissions.put(info.name, bp); 3402 } 3403 if (changed) { 3404 if (!async) { 3405 mSettings.writeLPr(); 3406 } else { 3407 scheduleWriteSettingsLocked(); 3408 } 3409 } 3410 return added; 3411 } 3412 3413 @Override 3414 public boolean addPermission(PermissionInfo info) { 3415 synchronized (mPackages) { 3416 return addPermissionLocked(info, false); 3417 } 3418 } 3419 3420 @Override 3421 public boolean addPermissionAsync(PermissionInfo info) { 3422 synchronized (mPackages) { 3423 return addPermissionLocked(info, true); 3424 } 3425 } 3426 3427 @Override 3428 public void removePermission(String name) { 3429 synchronized (mPackages) { 3430 checkPermissionTreeLP(name); 3431 BasePermission bp = mSettings.mPermissions.get(name); 3432 if (bp != null) { 3433 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3434 throw new SecurityException( 3435 "Not allowed to modify non-dynamic permission " 3436 + name); 3437 } 3438 mSettings.mPermissions.remove(name); 3439 mSettings.writeLPr(); 3440 } 3441 } 3442 } 3443 3444 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3445 BasePermission bp) { 3446 int index = pkg.requestedPermissions.indexOf(bp.name); 3447 if (index == -1) { 3448 throw new SecurityException("Package " + pkg.packageName 3449 + " has not requested permission " + bp.name); 3450 } 3451 if (!bp.isRuntime() && !bp.isDevelopment()) { 3452 throw new SecurityException("Permission " + bp.name 3453 + " is not a changeable permission type"); 3454 } 3455 } 3456 3457 @Override 3458 public void grantRuntimePermission(String packageName, String name, final int userId) { 3459 if (!sUserManager.exists(userId)) { 3460 Log.e(TAG, "No such user:" + userId); 3461 return; 3462 } 3463 3464 mContext.enforceCallingOrSelfPermission( 3465 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3466 "grantRuntimePermission"); 3467 3468 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3469 "grantRuntimePermission"); 3470 3471 final int uid; 3472 final SettingBase sb; 3473 3474 synchronized (mPackages) { 3475 final PackageParser.Package pkg = mPackages.get(packageName); 3476 if (pkg == null) { 3477 throw new IllegalArgumentException("Unknown package: " + packageName); 3478 } 3479 3480 final BasePermission bp = mSettings.mPermissions.get(name); 3481 if (bp == null) { 3482 throw new IllegalArgumentException("Unknown permission: " + name); 3483 } 3484 3485 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3486 3487 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3488 sb = (SettingBase) pkg.mExtras; 3489 if (sb == null) { 3490 throw new IllegalArgumentException("Unknown package: " + packageName); 3491 } 3492 3493 final PermissionsState permissionsState = sb.getPermissionsState(); 3494 3495 final int flags = permissionsState.getPermissionFlags(name, userId); 3496 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3497 throw new SecurityException("Cannot grant system fixed permission: " 3498 + name + " for package: " + packageName); 3499 } 3500 3501 if (bp.isDevelopment()) { 3502 // Development permissions must be handled specially, since they are not 3503 // normal runtime permissions. For now they apply to all users. 3504 if (permissionsState.grantInstallPermission(bp) != 3505 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3506 scheduleWriteSettingsLocked(); 3507 } 3508 return; 3509 } 3510 3511 final int result = permissionsState.grantRuntimePermission(bp, userId); 3512 switch (result) { 3513 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3514 return; 3515 } 3516 3517 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3518 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3519 mHandler.post(new Runnable() { 3520 @Override 3521 public void run() { 3522 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3523 } 3524 }); 3525 } break; 3526 } 3527 3528 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3529 3530 // Not critical if that is lost - app has to request again. 3531 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3532 } 3533 3534 // Only need to do this if user is initialized. Otherwise it's a new user 3535 // and there are no processes running as the user yet and there's no need 3536 // to make an expensive call to remount processes for the changed permissions. 3537 if (READ_EXTERNAL_STORAGE.equals(name) 3538 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3539 final long token = Binder.clearCallingIdentity(); 3540 try { 3541 if (sUserManager.isInitialized(userId)) { 3542 MountServiceInternal mountServiceInternal = LocalServices.getService( 3543 MountServiceInternal.class); 3544 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3545 } 3546 } finally { 3547 Binder.restoreCallingIdentity(token); 3548 } 3549 } 3550 } 3551 3552 @Override 3553 public void revokeRuntimePermission(String packageName, String name, int userId) { 3554 if (!sUserManager.exists(userId)) { 3555 Log.e(TAG, "No such user:" + userId); 3556 return; 3557 } 3558 3559 mContext.enforceCallingOrSelfPermission( 3560 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3561 "revokeRuntimePermission"); 3562 3563 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3564 "revokeRuntimePermission"); 3565 3566 final int appId; 3567 3568 synchronized (mPackages) { 3569 final PackageParser.Package pkg = mPackages.get(packageName); 3570 if (pkg == null) { 3571 throw new IllegalArgumentException("Unknown package: " + packageName); 3572 } 3573 3574 final BasePermission bp = mSettings.mPermissions.get(name); 3575 if (bp == null) { 3576 throw new IllegalArgumentException("Unknown permission: " + name); 3577 } 3578 3579 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3580 3581 SettingBase sb = (SettingBase) pkg.mExtras; 3582 if (sb == null) { 3583 throw new IllegalArgumentException("Unknown package: " + packageName); 3584 } 3585 3586 final PermissionsState permissionsState = sb.getPermissionsState(); 3587 3588 final int flags = permissionsState.getPermissionFlags(name, userId); 3589 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3590 throw new SecurityException("Cannot revoke system fixed permission: " 3591 + name + " for package: " + packageName); 3592 } 3593 3594 if (bp.isDevelopment()) { 3595 // Development permissions must be handled specially, since they are not 3596 // normal runtime permissions. For now they apply to all users. 3597 if (permissionsState.revokeInstallPermission(bp) != 3598 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3599 scheduleWriteSettingsLocked(); 3600 } 3601 return; 3602 } 3603 3604 if (permissionsState.revokeRuntimePermission(bp, userId) == 3605 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3606 return; 3607 } 3608 3609 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3610 3611 // Critical, after this call app should never have the permission. 3612 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3613 3614 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3615 } 3616 3617 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3618 } 3619 3620 @Override 3621 public void resetRuntimePermissions() { 3622 mContext.enforceCallingOrSelfPermission( 3623 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3624 "revokeRuntimePermission"); 3625 3626 int callingUid = Binder.getCallingUid(); 3627 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3628 mContext.enforceCallingOrSelfPermission( 3629 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3630 "resetRuntimePermissions"); 3631 } 3632 3633 synchronized (mPackages) { 3634 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3635 for (int userId : UserManagerService.getInstance().getUserIds()) { 3636 final int packageCount = mPackages.size(); 3637 for (int i = 0; i < packageCount; i++) { 3638 PackageParser.Package pkg = mPackages.valueAt(i); 3639 if (!(pkg.mExtras instanceof PackageSetting)) { 3640 continue; 3641 } 3642 PackageSetting ps = (PackageSetting) pkg.mExtras; 3643 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3644 } 3645 } 3646 } 3647 } 3648 3649 @Override 3650 public int getPermissionFlags(String name, String packageName, int userId) { 3651 if (!sUserManager.exists(userId)) { 3652 return 0; 3653 } 3654 3655 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3656 3657 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3658 "getPermissionFlags"); 3659 3660 synchronized (mPackages) { 3661 final PackageParser.Package pkg = mPackages.get(packageName); 3662 if (pkg == null) { 3663 throw new IllegalArgumentException("Unknown package: " + packageName); 3664 } 3665 3666 final BasePermission bp = mSettings.mPermissions.get(name); 3667 if (bp == null) { 3668 throw new IllegalArgumentException("Unknown permission: " + name); 3669 } 3670 3671 SettingBase sb = (SettingBase) pkg.mExtras; 3672 if (sb == null) { 3673 throw new IllegalArgumentException("Unknown package: " + packageName); 3674 } 3675 3676 PermissionsState permissionsState = sb.getPermissionsState(); 3677 return permissionsState.getPermissionFlags(name, userId); 3678 } 3679 } 3680 3681 @Override 3682 public void updatePermissionFlags(String name, String packageName, int flagMask, 3683 int flagValues, int userId) { 3684 if (!sUserManager.exists(userId)) { 3685 return; 3686 } 3687 3688 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3689 3690 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3691 "updatePermissionFlags"); 3692 3693 // Only the system can change these flags and nothing else. 3694 if (getCallingUid() != Process.SYSTEM_UID) { 3695 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3696 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3697 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3698 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3699 } 3700 3701 synchronized (mPackages) { 3702 final PackageParser.Package pkg = mPackages.get(packageName); 3703 if (pkg == null) { 3704 throw new IllegalArgumentException("Unknown package: " + packageName); 3705 } 3706 3707 final BasePermission bp = mSettings.mPermissions.get(name); 3708 if (bp == null) { 3709 throw new IllegalArgumentException("Unknown permission: " + name); 3710 } 3711 3712 SettingBase sb = (SettingBase) pkg.mExtras; 3713 if (sb == null) { 3714 throw new IllegalArgumentException("Unknown package: " + packageName); 3715 } 3716 3717 PermissionsState permissionsState = sb.getPermissionsState(); 3718 3719 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3720 3721 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3722 // Install and runtime permissions are stored in different places, 3723 // so figure out what permission changed and persist the change. 3724 if (permissionsState.getInstallPermissionState(name) != null) { 3725 scheduleWriteSettingsLocked(); 3726 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3727 || hadState) { 3728 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3729 } 3730 } 3731 } 3732 } 3733 3734 /** 3735 * Update the permission flags for all packages and runtime permissions of a user in order 3736 * to allow device or profile owner to remove POLICY_FIXED. 3737 */ 3738 @Override 3739 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3740 if (!sUserManager.exists(userId)) { 3741 return; 3742 } 3743 3744 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3745 3746 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3747 "updatePermissionFlagsForAllApps"); 3748 3749 // Only the system can change system fixed flags. 3750 if (getCallingUid() != Process.SYSTEM_UID) { 3751 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3752 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3753 } 3754 3755 synchronized (mPackages) { 3756 boolean changed = false; 3757 final int packageCount = mPackages.size(); 3758 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3759 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3760 SettingBase sb = (SettingBase) pkg.mExtras; 3761 if (sb == null) { 3762 continue; 3763 } 3764 PermissionsState permissionsState = sb.getPermissionsState(); 3765 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3766 userId, flagMask, flagValues); 3767 } 3768 if (changed) { 3769 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3770 } 3771 } 3772 } 3773 3774 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3775 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3776 != PackageManager.PERMISSION_GRANTED 3777 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3778 != PackageManager.PERMISSION_GRANTED) { 3779 throw new SecurityException(message + " requires " 3780 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3781 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3782 } 3783 } 3784 3785 @Override 3786 public boolean shouldShowRequestPermissionRationale(String permissionName, 3787 String packageName, int userId) { 3788 if (UserHandle.getCallingUserId() != userId) { 3789 mContext.enforceCallingPermission( 3790 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3791 "canShowRequestPermissionRationale for user " + userId); 3792 } 3793 3794 final int uid = getPackageUid(packageName, userId); 3795 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3796 return false; 3797 } 3798 3799 if (checkPermission(permissionName, packageName, userId) 3800 == PackageManager.PERMISSION_GRANTED) { 3801 return false; 3802 } 3803 3804 final int flags; 3805 3806 final long identity = Binder.clearCallingIdentity(); 3807 try { 3808 flags = getPermissionFlags(permissionName, 3809 packageName, userId); 3810 } finally { 3811 Binder.restoreCallingIdentity(identity); 3812 } 3813 3814 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3815 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3816 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3817 3818 if ((flags & fixedFlags) != 0) { 3819 return false; 3820 } 3821 3822 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3823 } 3824 3825 @Override 3826 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3827 mContext.enforceCallingOrSelfPermission( 3828 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3829 "addOnPermissionsChangeListener"); 3830 3831 synchronized (mPackages) { 3832 mOnPermissionChangeListeners.addListenerLocked(listener); 3833 } 3834 } 3835 3836 @Override 3837 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3838 synchronized (mPackages) { 3839 mOnPermissionChangeListeners.removeListenerLocked(listener); 3840 } 3841 } 3842 3843 @Override 3844 public boolean isProtectedBroadcast(String actionName) { 3845 synchronized (mPackages) { 3846 return mProtectedBroadcasts.contains(actionName); 3847 } 3848 } 3849 3850 @Override 3851 public int checkSignatures(String pkg1, String pkg2) { 3852 synchronized (mPackages) { 3853 final PackageParser.Package p1 = mPackages.get(pkg1); 3854 final PackageParser.Package p2 = mPackages.get(pkg2); 3855 if (p1 == null || p1.mExtras == null 3856 || p2 == null || p2.mExtras == null) { 3857 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3858 } 3859 return compareSignatures(p1.mSignatures, p2.mSignatures); 3860 } 3861 } 3862 3863 @Override 3864 public int checkUidSignatures(int uid1, int uid2) { 3865 // Map to base uids. 3866 uid1 = UserHandle.getAppId(uid1); 3867 uid2 = UserHandle.getAppId(uid2); 3868 // reader 3869 synchronized (mPackages) { 3870 Signature[] s1; 3871 Signature[] s2; 3872 Object obj = mSettings.getUserIdLPr(uid1); 3873 if (obj != null) { 3874 if (obj instanceof SharedUserSetting) { 3875 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3876 } else if (obj instanceof PackageSetting) { 3877 s1 = ((PackageSetting)obj).signatures.mSignatures; 3878 } else { 3879 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3880 } 3881 } else { 3882 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3883 } 3884 obj = mSettings.getUserIdLPr(uid2); 3885 if (obj != null) { 3886 if (obj instanceof SharedUserSetting) { 3887 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3888 } else if (obj instanceof PackageSetting) { 3889 s2 = ((PackageSetting)obj).signatures.mSignatures; 3890 } else { 3891 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3892 } 3893 } else { 3894 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3895 } 3896 return compareSignatures(s1, s2); 3897 } 3898 } 3899 3900 private void killUid(int appId, int userId, String reason) { 3901 final long identity = Binder.clearCallingIdentity(); 3902 try { 3903 IActivityManager am = ActivityManagerNative.getDefault(); 3904 if (am != null) { 3905 try { 3906 am.killUid(appId, userId, reason); 3907 } catch (RemoteException e) { 3908 /* ignore - same process */ 3909 } 3910 } 3911 } finally { 3912 Binder.restoreCallingIdentity(identity); 3913 } 3914 } 3915 3916 /** 3917 * Compares two sets of signatures. Returns: 3918 * <br /> 3919 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3920 * <br /> 3921 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3922 * <br /> 3923 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3924 * <br /> 3925 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3926 * <br /> 3927 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3928 */ 3929 static int compareSignatures(Signature[] s1, Signature[] s2) { 3930 if (s1 == null) { 3931 return s2 == null 3932 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3933 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3934 } 3935 3936 if (s2 == null) { 3937 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3938 } 3939 3940 if (s1.length != s2.length) { 3941 return PackageManager.SIGNATURE_NO_MATCH; 3942 } 3943 3944 // Since both signature sets are of size 1, we can compare without HashSets. 3945 if (s1.length == 1) { 3946 return s1[0].equals(s2[0]) ? 3947 PackageManager.SIGNATURE_MATCH : 3948 PackageManager.SIGNATURE_NO_MATCH; 3949 } 3950 3951 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3952 for (Signature sig : s1) { 3953 set1.add(sig); 3954 } 3955 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3956 for (Signature sig : s2) { 3957 set2.add(sig); 3958 } 3959 // Make sure s2 contains all signatures in s1. 3960 if (set1.equals(set2)) { 3961 return PackageManager.SIGNATURE_MATCH; 3962 } 3963 return PackageManager.SIGNATURE_NO_MATCH; 3964 } 3965 3966 /** 3967 * If the database version for this type of package (internal storage or 3968 * external storage) is less than the version where package signatures 3969 * were updated, return true. 3970 */ 3971 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3972 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 3973 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 3974 } 3975 3976 /** 3977 * Used for backward compatibility to make sure any packages with 3978 * certificate chains get upgraded to the new style. {@code existingSigs} 3979 * will be in the old format (since they were stored on disk from before the 3980 * system upgrade) and {@code scannedSigs} will be in the newer format. 3981 */ 3982 private int compareSignaturesCompat(PackageSignatures existingSigs, 3983 PackageParser.Package scannedPkg) { 3984 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3985 return PackageManager.SIGNATURE_NO_MATCH; 3986 } 3987 3988 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3989 for (Signature sig : existingSigs.mSignatures) { 3990 existingSet.add(sig); 3991 } 3992 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3993 for (Signature sig : scannedPkg.mSignatures) { 3994 try { 3995 Signature[] chainSignatures = sig.getChainSignatures(); 3996 for (Signature chainSig : chainSignatures) { 3997 scannedCompatSet.add(chainSig); 3998 } 3999 } catch (CertificateEncodingException e) { 4000 scannedCompatSet.add(sig); 4001 } 4002 } 4003 /* 4004 * Make sure the expanded scanned set contains all signatures in the 4005 * existing one. 4006 */ 4007 if (scannedCompatSet.equals(existingSet)) { 4008 // Migrate the old signatures to the new scheme. 4009 existingSigs.assignSignatures(scannedPkg.mSignatures); 4010 // The new KeySets will be re-added later in the scanning process. 4011 synchronized (mPackages) { 4012 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4013 } 4014 return PackageManager.SIGNATURE_MATCH; 4015 } 4016 return PackageManager.SIGNATURE_NO_MATCH; 4017 } 4018 4019 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4020 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4021 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4022 } 4023 4024 private int compareSignaturesRecover(PackageSignatures existingSigs, 4025 PackageParser.Package scannedPkg) { 4026 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4027 return PackageManager.SIGNATURE_NO_MATCH; 4028 } 4029 4030 String msg = null; 4031 try { 4032 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4033 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4034 + scannedPkg.packageName); 4035 return PackageManager.SIGNATURE_MATCH; 4036 } 4037 } catch (CertificateException e) { 4038 msg = e.getMessage(); 4039 } 4040 4041 logCriticalInfo(Log.INFO, 4042 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4043 return PackageManager.SIGNATURE_NO_MATCH; 4044 } 4045 4046 @Override 4047 public String[] getPackagesForUid(int uid) { 4048 uid = UserHandle.getAppId(uid); 4049 // reader 4050 synchronized (mPackages) { 4051 Object obj = mSettings.getUserIdLPr(uid); 4052 if (obj instanceof SharedUserSetting) { 4053 final SharedUserSetting sus = (SharedUserSetting) obj; 4054 final int N = sus.packages.size(); 4055 final String[] res = new String[N]; 4056 final Iterator<PackageSetting> it = sus.packages.iterator(); 4057 int i = 0; 4058 while (it.hasNext()) { 4059 res[i++] = it.next().name; 4060 } 4061 return res; 4062 } else if (obj instanceof PackageSetting) { 4063 final PackageSetting ps = (PackageSetting) obj; 4064 return new String[] { ps.name }; 4065 } 4066 } 4067 return null; 4068 } 4069 4070 @Override 4071 public String getNameForUid(int uid) { 4072 // reader 4073 synchronized (mPackages) { 4074 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4075 if (obj instanceof SharedUserSetting) { 4076 final SharedUserSetting sus = (SharedUserSetting) obj; 4077 return sus.name + ":" + sus.userId; 4078 } else if (obj instanceof PackageSetting) { 4079 final PackageSetting ps = (PackageSetting) obj; 4080 return ps.name; 4081 } 4082 } 4083 return null; 4084 } 4085 4086 @Override 4087 public int getUidForSharedUser(String sharedUserName) { 4088 if(sharedUserName == null) { 4089 return -1; 4090 } 4091 // reader 4092 synchronized (mPackages) { 4093 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4094 if (suid == null) { 4095 return -1; 4096 } 4097 return suid.userId; 4098 } 4099 } 4100 4101 @Override 4102 public int getFlagsForUid(int uid) { 4103 synchronized (mPackages) { 4104 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4105 if (obj instanceof SharedUserSetting) { 4106 final SharedUserSetting sus = (SharedUserSetting) obj; 4107 return sus.pkgFlags; 4108 } else if (obj instanceof PackageSetting) { 4109 final PackageSetting ps = (PackageSetting) obj; 4110 return ps.pkgFlags; 4111 } 4112 } 4113 return 0; 4114 } 4115 4116 @Override 4117 public int getPrivateFlagsForUid(int uid) { 4118 synchronized (mPackages) { 4119 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4120 if (obj instanceof SharedUserSetting) { 4121 final SharedUserSetting sus = (SharedUserSetting) obj; 4122 return sus.pkgPrivateFlags; 4123 } else if (obj instanceof PackageSetting) { 4124 final PackageSetting ps = (PackageSetting) obj; 4125 return ps.pkgPrivateFlags; 4126 } 4127 } 4128 return 0; 4129 } 4130 4131 @Override 4132 public boolean isUidPrivileged(int uid) { 4133 uid = UserHandle.getAppId(uid); 4134 // reader 4135 synchronized (mPackages) { 4136 Object obj = mSettings.getUserIdLPr(uid); 4137 if (obj instanceof SharedUserSetting) { 4138 final SharedUserSetting sus = (SharedUserSetting) obj; 4139 final Iterator<PackageSetting> it = sus.packages.iterator(); 4140 while (it.hasNext()) { 4141 if (it.next().isPrivileged()) { 4142 return true; 4143 } 4144 } 4145 } else if (obj instanceof PackageSetting) { 4146 final PackageSetting ps = (PackageSetting) obj; 4147 return ps.isPrivileged(); 4148 } 4149 } 4150 return false; 4151 } 4152 4153 @Override 4154 public String[] getAppOpPermissionPackages(String permissionName) { 4155 synchronized (mPackages) { 4156 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4157 if (pkgs == null) { 4158 return null; 4159 } 4160 return pkgs.toArray(new String[pkgs.size()]); 4161 } 4162 } 4163 4164 @Override 4165 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4166 int flags, int userId) { 4167 if (!sUserManager.exists(userId)) return null; 4168 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4169 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4170 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4171 } 4172 4173 @Override 4174 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4175 IntentFilter filter, int match, ComponentName activity) { 4176 final int userId = UserHandle.getCallingUserId(); 4177 if (DEBUG_PREFERRED) { 4178 Log.v(TAG, "setLastChosenActivity intent=" + intent 4179 + " resolvedType=" + resolvedType 4180 + " flags=" + flags 4181 + " filter=" + filter 4182 + " match=" + match 4183 + " activity=" + activity); 4184 filter.dump(new PrintStreamPrinter(System.out), " "); 4185 } 4186 intent.setComponent(null); 4187 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4188 // Find any earlier preferred or last chosen entries and nuke them 4189 findPreferredActivity(intent, resolvedType, 4190 flags, query, 0, false, true, false, userId); 4191 // Add the new activity as the last chosen for this filter 4192 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4193 "Setting last chosen"); 4194 } 4195 4196 @Override 4197 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4198 final int userId = UserHandle.getCallingUserId(); 4199 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4200 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4201 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4202 false, false, false, userId); 4203 } 4204 4205 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4206 int flags, List<ResolveInfo> query, int userId) { 4207 if (query != null) { 4208 final int N = query.size(); 4209 if (N == 1) { 4210 return query.get(0); 4211 } else if (N > 1) { 4212 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4213 // If there is more than one activity with the same priority, 4214 // then let the user decide between them. 4215 ResolveInfo r0 = query.get(0); 4216 ResolveInfo r1 = query.get(1); 4217 if (DEBUG_INTENT_MATCHING || debug) { 4218 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4219 + r1.activityInfo.name + "=" + r1.priority); 4220 } 4221 // If the first activity has a higher priority, or a different 4222 // default, then it is always desireable to pick it. 4223 if (r0.priority != r1.priority 4224 || r0.preferredOrder != r1.preferredOrder 4225 || r0.isDefault != r1.isDefault) { 4226 return query.get(0); 4227 } 4228 // If we have saved a preference for a preferred activity for 4229 // this Intent, use that. 4230 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4231 flags, query, r0.priority, true, false, debug, userId); 4232 if (ri != null) { 4233 return ri; 4234 } 4235 ri = new ResolveInfo(mResolveInfo); 4236 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4237 ri.activityInfo.applicationInfo = new ApplicationInfo( 4238 ri.activityInfo.applicationInfo); 4239 if (userId != 0) { 4240 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4241 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4242 } 4243 // Make sure that the resolver is displayable in car mode 4244 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4245 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4246 return ri; 4247 } 4248 } 4249 return null; 4250 } 4251 4252 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4253 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4254 final int N = query.size(); 4255 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4256 .get(userId); 4257 // Get the list of persistent preferred activities that handle the intent 4258 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4259 List<PersistentPreferredActivity> pprefs = ppir != null 4260 ? ppir.queryIntent(intent, resolvedType, 4261 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4262 : null; 4263 if (pprefs != null && pprefs.size() > 0) { 4264 final int M = pprefs.size(); 4265 for (int i=0; i<M; i++) { 4266 final PersistentPreferredActivity ppa = pprefs.get(i); 4267 if (DEBUG_PREFERRED || debug) { 4268 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4269 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4270 + "\n component=" + ppa.mComponent); 4271 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4272 } 4273 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4274 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4275 if (DEBUG_PREFERRED || debug) { 4276 Slog.v(TAG, "Found persistent preferred activity:"); 4277 if (ai != null) { 4278 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4279 } else { 4280 Slog.v(TAG, " null"); 4281 } 4282 } 4283 if (ai == null) { 4284 // This previously registered persistent preferred activity 4285 // component is no longer known. Ignore it and do NOT remove it. 4286 continue; 4287 } 4288 for (int j=0; j<N; j++) { 4289 final ResolveInfo ri = query.get(j); 4290 if (!ri.activityInfo.applicationInfo.packageName 4291 .equals(ai.applicationInfo.packageName)) { 4292 continue; 4293 } 4294 if (!ri.activityInfo.name.equals(ai.name)) { 4295 continue; 4296 } 4297 // Found a persistent preference that can handle the intent. 4298 if (DEBUG_PREFERRED || debug) { 4299 Slog.v(TAG, "Returning persistent preferred activity: " + 4300 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4301 } 4302 return ri; 4303 } 4304 } 4305 } 4306 return null; 4307 } 4308 4309 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4310 List<ResolveInfo> query, int priority, boolean always, 4311 boolean removeMatches, boolean debug, int userId) { 4312 if (!sUserManager.exists(userId)) return null; 4313 // writer 4314 synchronized (mPackages) { 4315 if (intent.getSelector() != null) { 4316 intent = intent.getSelector(); 4317 } 4318 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4319 4320 // Try to find a matching persistent preferred activity. 4321 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4322 debug, userId); 4323 4324 // If a persistent preferred activity matched, use it. 4325 if (pri != null) { 4326 return pri; 4327 } 4328 4329 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4330 // Get the list of preferred activities that handle the intent 4331 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4332 List<PreferredActivity> prefs = pir != null 4333 ? pir.queryIntent(intent, resolvedType, 4334 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4335 : null; 4336 if (prefs != null && prefs.size() > 0) { 4337 boolean changed = false; 4338 try { 4339 // First figure out how good the original match set is. 4340 // We will only allow preferred activities that came 4341 // from the same match quality. 4342 int match = 0; 4343 4344 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4345 4346 final int N = query.size(); 4347 for (int j=0; j<N; j++) { 4348 final ResolveInfo ri = query.get(j); 4349 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4350 + ": 0x" + Integer.toHexString(match)); 4351 if (ri.match > match) { 4352 match = ri.match; 4353 } 4354 } 4355 4356 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4357 + Integer.toHexString(match)); 4358 4359 match &= IntentFilter.MATCH_CATEGORY_MASK; 4360 final int M = prefs.size(); 4361 for (int i=0; i<M; i++) { 4362 final PreferredActivity pa = prefs.get(i); 4363 if (DEBUG_PREFERRED || debug) { 4364 Slog.v(TAG, "Checking PreferredActivity ds=" 4365 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4366 + "\n component=" + pa.mPref.mComponent); 4367 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4368 } 4369 if (pa.mPref.mMatch != match) { 4370 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4371 + Integer.toHexString(pa.mPref.mMatch)); 4372 continue; 4373 } 4374 // If it's not an "always" type preferred activity and that's what we're 4375 // looking for, skip it. 4376 if (always && !pa.mPref.mAlways) { 4377 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4378 continue; 4379 } 4380 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4381 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4382 if (DEBUG_PREFERRED || debug) { 4383 Slog.v(TAG, "Found preferred activity:"); 4384 if (ai != null) { 4385 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4386 } else { 4387 Slog.v(TAG, " null"); 4388 } 4389 } 4390 if (ai == null) { 4391 // This previously registered preferred activity 4392 // component is no longer known. Most likely an update 4393 // to the app was installed and in the new version this 4394 // component no longer exists. Clean it up by removing 4395 // it from the preferred activities list, and skip it. 4396 Slog.w(TAG, "Removing dangling preferred activity: " 4397 + pa.mPref.mComponent); 4398 pir.removeFilter(pa); 4399 changed = true; 4400 continue; 4401 } 4402 for (int j=0; j<N; j++) { 4403 final ResolveInfo ri = query.get(j); 4404 if (!ri.activityInfo.applicationInfo.packageName 4405 .equals(ai.applicationInfo.packageName)) { 4406 continue; 4407 } 4408 if (!ri.activityInfo.name.equals(ai.name)) { 4409 continue; 4410 } 4411 4412 if (removeMatches) { 4413 pir.removeFilter(pa); 4414 changed = true; 4415 if (DEBUG_PREFERRED) { 4416 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4417 } 4418 break; 4419 } 4420 4421 // Okay we found a previously set preferred or last chosen app. 4422 // If the result set is different from when this 4423 // was created, we need to clear it and re-ask the 4424 // user their preference, if we're looking for an "always" type entry. 4425 if (always && !pa.mPref.sameSet(query)) { 4426 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4427 + intent + " type " + resolvedType); 4428 if (DEBUG_PREFERRED) { 4429 Slog.v(TAG, "Removing preferred activity since set changed " 4430 + pa.mPref.mComponent); 4431 } 4432 pir.removeFilter(pa); 4433 // Re-add the filter as a "last chosen" entry (!always) 4434 PreferredActivity lastChosen = new PreferredActivity( 4435 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4436 pir.addFilter(lastChosen); 4437 changed = true; 4438 return null; 4439 } 4440 4441 // Yay! Either the set matched or we're looking for the last chosen 4442 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4443 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4444 return ri; 4445 } 4446 } 4447 } finally { 4448 if (changed) { 4449 if (DEBUG_PREFERRED) { 4450 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4451 } 4452 scheduleWritePackageRestrictionsLocked(userId); 4453 } 4454 } 4455 } 4456 } 4457 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4458 return null; 4459 } 4460 4461 /* 4462 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4463 */ 4464 @Override 4465 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4466 int targetUserId) { 4467 mContext.enforceCallingOrSelfPermission( 4468 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4469 List<CrossProfileIntentFilter> matches = 4470 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4471 if (matches != null) { 4472 int size = matches.size(); 4473 for (int i = 0; i < size; i++) { 4474 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4475 } 4476 } 4477 if (hasWebURI(intent)) { 4478 // cross-profile app linking works only towards the parent. 4479 final UserInfo parent = getProfileParent(sourceUserId); 4480 synchronized(mPackages) { 4481 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4482 intent, resolvedType, 0, sourceUserId, parent.id); 4483 return xpDomainInfo != null; 4484 } 4485 } 4486 return false; 4487 } 4488 4489 private UserInfo getProfileParent(int userId) { 4490 final long identity = Binder.clearCallingIdentity(); 4491 try { 4492 return sUserManager.getProfileParent(userId); 4493 } finally { 4494 Binder.restoreCallingIdentity(identity); 4495 } 4496 } 4497 4498 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4499 String resolvedType, int userId) { 4500 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4501 if (resolver != null) { 4502 return resolver.queryIntent(intent, resolvedType, false, userId); 4503 } 4504 return null; 4505 } 4506 4507 @Override 4508 public List<ResolveInfo> queryIntentActivities(Intent intent, 4509 String resolvedType, int flags, int userId) { 4510 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4511 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4512 ComponentName comp = intent.getComponent(); 4513 if (comp == null) { 4514 if (intent.getSelector() != null) { 4515 intent = intent.getSelector(); 4516 comp = intent.getComponent(); 4517 } 4518 } 4519 4520 if (comp != null) { 4521 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4522 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4523 if (ai != null) { 4524 final ResolveInfo ri = new ResolveInfo(); 4525 ri.activityInfo = ai; 4526 list.add(ri); 4527 } 4528 return list; 4529 } 4530 4531 // reader 4532 synchronized (mPackages) { 4533 final String pkgName = intent.getPackage(); 4534 if (pkgName == null) { 4535 List<CrossProfileIntentFilter> matchingFilters = 4536 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4537 // Check for results that need to skip the current profile. 4538 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4539 resolvedType, flags, userId); 4540 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4541 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4542 result.add(xpResolveInfo); 4543 return filterIfNotPrimaryUser(result, userId); 4544 } 4545 4546 // Check for results in the current profile. 4547 List<ResolveInfo> result = mActivities.queryIntent( 4548 intent, resolvedType, flags, userId); 4549 4550 // Check for cross profile results. 4551 xpResolveInfo = queryCrossProfileIntents( 4552 matchingFilters, intent, resolvedType, flags, userId); 4553 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4554 result.add(xpResolveInfo); 4555 Collections.sort(result, mResolvePrioritySorter); 4556 } 4557 result = filterIfNotPrimaryUser(result, userId); 4558 if (hasWebURI(intent)) { 4559 CrossProfileDomainInfo xpDomainInfo = null; 4560 final UserInfo parent = getProfileParent(userId); 4561 if (parent != null) { 4562 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4563 flags, userId, parent.id); 4564 } 4565 if (xpDomainInfo != null) { 4566 if (xpResolveInfo != null) { 4567 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4568 // in the result. 4569 result.remove(xpResolveInfo); 4570 } 4571 if (result.size() == 0) { 4572 result.add(xpDomainInfo.resolveInfo); 4573 return result; 4574 } 4575 } else if (result.size() <= 1) { 4576 return result; 4577 } 4578 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4579 xpDomainInfo, userId); 4580 Collections.sort(result, mResolvePrioritySorter); 4581 } 4582 return result; 4583 } 4584 final PackageParser.Package pkg = mPackages.get(pkgName); 4585 if (pkg != null) { 4586 return filterIfNotPrimaryUser( 4587 mActivities.queryIntentForPackage( 4588 intent, resolvedType, flags, pkg.activities, userId), 4589 userId); 4590 } 4591 return new ArrayList<ResolveInfo>(); 4592 } 4593 } 4594 4595 private static class CrossProfileDomainInfo { 4596 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4597 ResolveInfo resolveInfo; 4598 /* Best domain verification status of the activities found in the other profile */ 4599 int bestDomainVerificationStatus; 4600 } 4601 4602 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4603 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4604 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4605 sourceUserId)) { 4606 return null; 4607 } 4608 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4609 resolvedType, flags, parentUserId); 4610 4611 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4612 return null; 4613 } 4614 CrossProfileDomainInfo result = null; 4615 int size = resultTargetUser.size(); 4616 for (int i = 0; i < size; i++) { 4617 ResolveInfo riTargetUser = resultTargetUser.get(i); 4618 // Intent filter verification is only for filters that specify a host. So don't return 4619 // those that handle all web uris. 4620 if (riTargetUser.handleAllWebDataURI) { 4621 continue; 4622 } 4623 String packageName = riTargetUser.activityInfo.packageName; 4624 PackageSetting ps = mSettings.mPackages.get(packageName); 4625 if (ps == null) { 4626 continue; 4627 } 4628 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4629 int status = (int)(verificationState >> 32); 4630 if (result == null) { 4631 result = new CrossProfileDomainInfo(); 4632 result.resolveInfo = 4633 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4634 result.bestDomainVerificationStatus = status; 4635 } else { 4636 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4637 result.bestDomainVerificationStatus); 4638 } 4639 } 4640 // Don't consider matches with status NEVER across profiles. 4641 if (result != null && result.bestDomainVerificationStatus 4642 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4643 return null; 4644 } 4645 return result; 4646 } 4647 4648 /** 4649 * Verification statuses are ordered from the worse to the best, except for 4650 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4651 */ 4652 private int bestDomainVerificationStatus(int status1, int status2) { 4653 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4654 return status2; 4655 } 4656 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4657 return status1; 4658 } 4659 return (int) MathUtils.max(status1, status2); 4660 } 4661 4662 private boolean isUserEnabled(int userId) { 4663 long callingId = Binder.clearCallingIdentity(); 4664 try { 4665 UserInfo userInfo = sUserManager.getUserInfo(userId); 4666 return userInfo != null && userInfo.isEnabled(); 4667 } finally { 4668 Binder.restoreCallingIdentity(callingId); 4669 } 4670 } 4671 4672 /** 4673 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4674 * 4675 * @return filtered list 4676 */ 4677 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4678 if (userId == UserHandle.USER_OWNER) { 4679 return resolveInfos; 4680 } 4681 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4682 ResolveInfo info = resolveInfos.get(i); 4683 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4684 resolveInfos.remove(i); 4685 } 4686 } 4687 return resolveInfos; 4688 } 4689 4690 private static boolean hasWebURI(Intent intent) { 4691 if (intent.getData() == null) { 4692 return false; 4693 } 4694 final String scheme = intent.getScheme(); 4695 if (TextUtils.isEmpty(scheme)) { 4696 return false; 4697 } 4698 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4699 } 4700 4701 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4702 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4703 int userId) { 4704 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4705 4706 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4707 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4708 candidates.size()); 4709 } 4710 4711 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4712 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4713 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4714 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4715 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4716 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4717 4718 synchronized (mPackages) { 4719 final int count = candidates.size(); 4720 // First, try to use linked apps. Partition the candidates into four lists: 4721 // one for the final results, one for the "do not use ever", one for "undefined status" 4722 // and finally one for "browser app type". 4723 for (int n=0; n<count; n++) { 4724 ResolveInfo info = candidates.get(n); 4725 String packageName = info.activityInfo.packageName; 4726 PackageSetting ps = mSettings.mPackages.get(packageName); 4727 if (ps != null) { 4728 // Add to the special match all list (Browser use case) 4729 if (info.handleAllWebDataURI) { 4730 matchAllList.add(info); 4731 continue; 4732 } 4733 // Try to get the status from User settings first 4734 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4735 int status = (int)(packedStatus >> 32); 4736 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4737 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4738 if (DEBUG_DOMAIN_VERIFICATION) { 4739 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4740 + " : linkgen=" + linkGeneration); 4741 } 4742 // Use link-enabled generation as preferredOrder, i.e. 4743 // prefer newly-enabled over earlier-enabled. 4744 info.preferredOrder = linkGeneration; 4745 alwaysList.add(info); 4746 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4747 if (DEBUG_DOMAIN_VERIFICATION) { 4748 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4749 } 4750 neverList.add(info); 4751 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4752 if (DEBUG_DOMAIN_VERIFICATION) { 4753 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4754 } 4755 alwaysAskList.add(info); 4756 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4757 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4758 if (DEBUG_DOMAIN_VERIFICATION) { 4759 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4760 } 4761 undefinedList.add(info); 4762 } 4763 } 4764 } 4765 4766 // We'll want to include browser possibilities in a few cases 4767 boolean includeBrowser = false; 4768 4769 // First try to add the "always" resolution(s) for the current user, if any 4770 if (alwaysList.size() > 0) { 4771 result.addAll(alwaysList); 4772 // if there is an "always" for the parent user, add it. 4773 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4774 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4775 result.add(xpDomainInfo.resolveInfo); 4776 } else { 4777 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4778 result.addAll(undefinedList); 4779 if (xpDomainInfo != null && ( 4780 xpDomainInfo.bestDomainVerificationStatus 4781 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4782 || xpDomainInfo.bestDomainVerificationStatus 4783 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4784 result.add(xpDomainInfo.resolveInfo); 4785 } 4786 includeBrowser = true; 4787 } 4788 4789 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4790 // If there were 'always' entries their preferred order has been set, so we also 4791 // back that off to make the alternatives equivalent 4792 if (alwaysAskList.size() > 0) { 4793 for (ResolveInfo i : result) { 4794 i.preferredOrder = 0; 4795 } 4796 result.addAll(alwaysAskList); 4797 includeBrowser = true; 4798 } 4799 4800 if (includeBrowser) { 4801 // Also add browsers (all of them or only the default one) 4802 if (DEBUG_DOMAIN_VERIFICATION) { 4803 Slog.v(TAG, " ...including browsers in candidate set"); 4804 } 4805 if ((matchFlags & MATCH_ALL) != 0) { 4806 result.addAll(matchAllList); 4807 } else { 4808 // Browser/generic handling case. If there's a default browser, go straight 4809 // to that (but only if there is no other higher-priority match). 4810 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4811 int maxMatchPrio = 0; 4812 ResolveInfo defaultBrowserMatch = null; 4813 final int numCandidates = matchAllList.size(); 4814 for (int n = 0; n < numCandidates; n++) { 4815 ResolveInfo info = matchAllList.get(n); 4816 // track the highest overall match priority... 4817 if (info.priority > maxMatchPrio) { 4818 maxMatchPrio = info.priority; 4819 } 4820 // ...and the highest-priority default browser match 4821 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4822 if (defaultBrowserMatch == null 4823 || (defaultBrowserMatch.priority < info.priority)) { 4824 if (debug) { 4825 Slog.v(TAG, "Considering default browser match " + info); 4826 } 4827 defaultBrowserMatch = info; 4828 } 4829 } 4830 } 4831 if (defaultBrowserMatch != null 4832 && defaultBrowserMatch.priority >= maxMatchPrio 4833 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4834 { 4835 if (debug) { 4836 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4837 } 4838 result.add(defaultBrowserMatch); 4839 } else { 4840 result.addAll(matchAllList); 4841 } 4842 } 4843 4844 // If there is nothing selected, add all candidates and remove the ones that the user 4845 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4846 if (result.size() == 0) { 4847 result.addAll(candidates); 4848 result.removeAll(neverList); 4849 } 4850 } 4851 } 4852 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4853 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4854 result.size()); 4855 for (ResolveInfo info : result) { 4856 Slog.v(TAG, " + " + info.activityInfo); 4857 } 4858 } 4859 return result; 4860 } 4861 4862 // Returns a packed value as a long: 4863 // 4864 // high 'int'-sized word: link status: undefined/ask/never/always. 4865 // low 'int'-sized word: relative priority among 'always' results. 4866 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4867 long result = ps.getDomainVerificationStatusForUser(userId); 4868 // if none available, get the master status 4869 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4870 if (ps.getIntentFilterVerificationInfo() != null) { 4871 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4872 } 4873 } 4874 return result; 4875 } 4876 4877 private ResolveInfo querySkipCurrentProfileIntents( 4878 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4879 int flags, int sourceUserId) { 4880 if (matchingFilters != null) { 4881 int size = matchingFilters.size(); 4882 for (int i = 0; i < size; i ++) { 4883 CrossProfileIntentFilter filter = matchingFilters.get(i); 4884 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4885 // Checking if there are activities in the target user that can handle the 4886 // intent. 4887 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4888 flags, sourceUserId); 4889 if (resolveInfo != null) { 4890 return resolveInfo; 4891 } 4892 } 4893 } 4894 } 4895 return null; 4896 } 4897 4898 // Return matching ResolveInfo if any for skip current profile intent filters. 4899 private ResolveInfo queryCrossProfileIntents( 4900 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4901 int flags, int sourceUserId) { 4902 if (matchingFilters != null) { 4903 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4904 // match the same intent. For performance reasons, it is better not to 4905 // run queryIntent twice for the same userId 4906 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4907 int size = matchingFilters.size(); 4908 for (int i = 0; i < size; i++) { 4909 CrossProfileIntentFilter filter = matchingFilters.get(i); 4910 int targetUserId = filter.getTargetUserId(); 4911 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4912 && !alreadyTriedUserIds.get(targetUserId)) { 4913 // Checking if there are activities in the target user that can handle the 4914 // intent. 4915 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4916 flags, sourceUserId); 4917 if (resolveInfo != null) return resolveInfo; 4918 alreadyTriedUserIds.put(targetUserId, true); 4919 } 4920 } 4921 } 4922 return null; 4923 } 4924 4925 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4926 String resolvedType, int flags, int sourceUserId) { 4927 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4928 resolvedType, flags, filter.getTargetUserId()); 4929 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4930 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4931 } 4932 return null; 4933 } 4934 4935 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4936 int sourceUserId, int targetUserId) { 4937 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4938 String className; 4939 if (targetUserId == UserHandle.USER_OWNER) { 4940 className = FORWARD_INTENT_TO_USER_OWNER; 4941 } else { 4942 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4943 } 4944 ComponentName forwardingActivityComponentName = new ComponentName( 4945 mAndroidApplication.packageName, className); 4946 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4947 sourceUserId); 4948 if (targetUserId == UserHandle.USER_OWNER) { 4949 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4950 forwardingResolveInfo.noResourceId = true; 4951 } 4952 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4953 forwardingResolveInfo.priority = 0; 4954 forwardingResolveInfo.preferredOrder = 0; 4955 forwardingResolveInfo.match = 0; 4956 forwardingResolveInfo.isDefault = true; 4957 forwardingResolveInfo.filter = filter; 4958 forwardingResolveInfo.targetUserId = targetUserId; 4959 return forwardingResolveInfo; 4960 } 4961 4962 @Override 4963 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4964 Intent[] specifics, String[] specificTypes, Intent intent, 4965 String resolvedType, int flags, int userId) { 4966 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4967 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4968 false, "query intent activity options"); 4969 final String resultsAction = intent.getAction(); 4970 4971 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4972 | PackageManager.GET_RESOLVED_FILTER, userId); 4973 4974 if (DEBUG_INTENT_MATCHING) { 4975 Log.v(TAG, "Query " + intent + ": " + results); 4976 } 4977 4978 int specificsPos = 0; 4979 int N; 4980 4981 // todo: note that the algorithm used here is O(N^2). This 4982 // isn't a problem in our current environment, but if we start running 4983 // into situations where we have more than 5 or 10 matches then this 4984 // should probably be changed to something smarter... 4985 4986 // First we go through and resolve each of the specific items 4987 // that were supplied, taking care of removing any corresponding 4988 // duplicate items in the generic resolve list. 4989 if (specifics != null) { 4990 for (int i=0; i<specifics.length; i++) { 4991 final Intent sintent = specifics[i]; 4992 if (sintent == null) { 4993 continue; 4994 } 4995 4996 if (DEBUG_INTENT_MATCHING) { 4997 Log.v(TAG, "Specific #" + i + ": " + sintent); 4998 } 4999 5000 String action = sintent.getAction(); 5001 if (resultsAction != null && resultsAction.equals(action)) { 5002 // If this action was explicitly requested, then don't 5003 // remove things that have it. 5004 action = null; 5005 } 5006 5007 ResolveInfo ri = null; 5008 ActivityInfo ai = null; 5009 5010 ComponentName comp = sintent.getComponent(); 5011 if (comp == null) { 5012 ri = resolveIntent( 5013 sintent, 5014 specificTypes != null ? specificTypes[i] : null, 5015 flags, userId); 5016 if (ri == null) { 5017 continue; 5018 } 5019 if (ri == mResolveInfo) { 5020 // ACK! Must do something better with this. 5021 } 5022 ai = ri.activityInfo; 5023 comp = new ComponentName(ai.applicationInfo.packageName, 5024 ai.name); 5025 } else { 5026 ai = getActivityInfo(comp, flags, userId); 5027 if (ai == null) { 5028 continue; 5029 } 5030 } 5031 5032 // Look for any generic query activities that are duplicates 5033 // of this specific one, and remove them from the results. 5034 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5035 N = results.size(); 5036 int j; 5037 for (j=specificsPos; j<N; j++) { 5038 ResolveInfo sri = results.get(j); 5039 if ((sri.activityInfo.name.equals(comp.getClassName()) 5040 && sri.activityInfo.applicationInfo.packageName.equals( 5041 comp.getPackageName())) 5042 || (action != null && sri.filter.matchAction(action))) { 5043 results.remove(j); 5044 if (DEBUG_INTENT_MATCHING) Log.v( 5045 TAG, "Removing duplicate item from " + j 5046 + " due to specific " + specificsPos); 5047 if (ri == null) { 5048 ri = sri; 5049 } 5050 j--; 5051 N--; 5052 } 5053 } 5054 5055 // Add this specific item to its proper place. 5056 if (ri == null) { 5057 ri = new ResolveInfo(); 5058 ri.activityInfo = ai; 5059 } 5060 results.add(specificsPos, ri); 5061 ri.specificIndex = i; 5062 specificsPos++; 5063 } 5064 } 5065 5066 // Now we go through the remaining generic results and remove any 5067 // duplicate actions that are found here. 5068 N = results.size(); 5069 for (int i=specificsPos; i<N-1; i++) { 5070 final ResolveInfo rii = results.get(i); 5071 if (rii.filter == null) { 5072 continue; 5073 } 5074 5075 // Iterate over all of the actions of this result's intent 5076 // filter... typically this should be just one. 5077 final Iterator<String> it = rii.filter.actionsIterator(); 5078 if (it == null) { 5079 continue; 5080 } 5081 while (it.hasNext()) { 5082 final String action = it.next(); 5083 if (resultsAction != null && resultsAction.equals(action)) { 5084 // If this action was explicitly requested, then don't 5085 // remove things that have it. 5086 continue; 5087 } 5088 for (int j=i+1; j<N; j++) { 5089 final ResolveInfo rij = results.get(j); 5090 if (rij.filter != null && rij.filter.hasAction(action)) { 5091 results.remove(j); 5092 if (DEBUG_INTENT_MATCHING) Log.v( 5093 TAG, "Removing duplicate item from " + j 5094 + " due to action " + action + " at " + i); 5095 j--; 5096 N--; 5097 } 5098 } 5099 } 5100 5101 // If the caller didn't request filter information, drop it now 5102 // so we don't have to marshall/unmarshall it. 5103 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5104 rii.filter = null; 5105 } 5106 } 5107 5108 // Filter out the caller activity if so requested. 5109 if (caller != null) { 5110 N = results.size(); 5111 for (int i=0; i<N; i++) { 5112 ActivityInfo ainfo = results.get(i).activityInfo; 5113 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5114 && caller.getClassName().equals(ainfo.name)) { 5115 results.remove(i); 5116 break; 5117 } 5118 } 5119 } 5120 5121 // If the caller didn't request filter information, 5122 // drop them now so we don't have to 5123 // marshall/unmarshall it. 5124 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5125 N = results.size(); 5126 for (int i=0; i<N; i++) { 5127 results.get(i).filter = null; 5128 } 5129 } 5130 5131 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5132 return results; 5133 } 5134 5135 @Override 5136 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5137 int userId) { 5138 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5139 ComponentName comp = intent.getComponent(); 5140 if (comp == null) { 5141 if (intent.getSelector() != null) { 5142 intent = intent.getSelector(); 5143 comp = intent.getComponent(); 5144 } 5145 } 5146 if (comp != null) { 5147 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5148 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5149 if (ai != null) { 5150 ResolveInfo ri = new ResolveInfo(); 5151 ri.activityInfo = ai; 5152 list.add(ri); 5153 } 5154 return list; 5155 } 5156 5157 // reader 5158 synchronized (mPackages) { 5159 String pkgName = intent.getPackage(); 5160 if (pkgName == null) { 5161 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5162 } 5163 final PackageParser.Package pkg = mPackages.get(pkgName); 5164 if (pkg != null) { 5165 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5166 userId); 5167 } 5168 return null; 5169 } 5170 } 5171 5172 @Override 5173 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5174 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5175 if (!sUserManager.exists(userId)) return null; 5176 if (query != null) { 5177 if (query.size() >= 1) { 5178 // If there is more than one service with the same priority, 5179 // just arbitrarily pick the first one. 5180 return query.get(0); 5181 } 5182 } 5183 return null; 5184 } 5185 5186 @Override 5187 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5188 int userId) { 5189 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5190 ComponentName comp = intent.getComponent(); 5191 if (comp == null) { 5192 if (intent.getSelector() != null) { 5193 intent = intent.getSelector(); 5194 comp = intent.getComponent(); 5195 } 5196 } 5197 if (comp != null) { 5198 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5199 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5200 if (si != null) { 5201 final ResolveInfo ri = new ResolveInfo(); 5202 ri.serviceInfo = si; 5203 list.add(ri); 5204 } 5205 return list; 5206 } 5207 5208 // reader 5209 synchronized (mPackages) { 5210 String pkgName = intent.getPackage(); 5211 if (pkgName == null) { 5212 return mServices.queryIntent(intent, resolvedType, flags, userId); 5213 } 5214 final PackageParser.Package pkg = mPackages.get(pkgName); 5215 if (pkg != null) { 5216 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5217 userId); 5218 } 5219 return null; 5220 } 5221 } 5222 5223 @Override 5224 public List<ResolveInfo> queryIntentContentProviders( 5225 Intent intent, String resolvedType, int flags, int userId) { 5226 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5227 ComponentName comp = intent.getComponent(); 5228 if (comp == null) { 5229 if (intent.getSelector() != null) { 5230 intent = intent.getSelector(); 5231 comp = intent.getComponent(); 5232 } 5233 } 5234 if (comp != null) { 5235 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5236 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5237 if (pi != null) { 5238 final ResolveInfo ri = new ResolveInfo(); 5239 ri.providerInfo = pi; 5240 list.add(ri); 5241 } 5242 return list; 5243 } 5244 5245 // reader 5246 synchronized (mPackages) { 5247 String pkgName = intent.getPackage(); 5248 if (pkgName == null) { 5249 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5250 } 5251 final PackageParser.Package pkg = mPackages.get(pkgName); 5252 if (pkg != null) { 5253 return mProviders.queryIntentForPackage( 5254 intent, resolvedType, flags, pkg.providers, userId); 5255 } 5256 return null; 5257 } 5258 } 5259 5260 @Override 5261 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5262 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5263 5264 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5265 5266 // writer 5267 synchronized (mPackages) { 5268 ArrayList<PackageInfo> list; 5269 if (listUninstalled) { 5270 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5271 for (PackageSetting ps : mSettings.mPackages.values()) { 5272 PackageInfo pi; 5273 if (ps.pkg != null) { 5274 pi = generatePackageInfo(ps.pkg, flags, userId); 5275 } else { 5276 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5277 } 5278 if (pi != null) { 5279 list.add(pi); 5280 } 5281 } 5282 } else { 5283 list = new ArrayList<PackageInfo>(mPackages.size()); 5284 for (PackageParser.Package p : mPackages.values()) { 5285 PackageInfo pi = generatePackageInfo(p, flags, userId); 5286 if (pi != null) { 5287 list.add(pi); 5288 } 5289 } 5290 } 5291 5292 return new ParceledListSlice<PackageInfo>(list); 5293 } 5294 } 5295 5296 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5297 String[] permissions, boolean[] tmp, int flags, int userId) { 5298 int numMatch = 0; 5299 final PermissionsState permissionsState = ps.getPermissionsState(); 5300 for (int i=0; i<permissions.length; i++) { 5301 final String permission = permissions[i]; 5302 if (permissionsState.hasPermission(permission, userId)) { 5303 tmp[i] = true; 5304 numMatch++; 5305 } else { 5306 tmp[i] = false; 5307 } 5308 } 5309 if (numMatch == 0) { 5310 return; 5311 } 5312 PackageInfo pi; 5313 if (ps.pkg != null) { 5314 pi = generatePackageInfo(ps.pkg, flags, userId); 5315 } else { 5316 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5317 } 5318 // The above might return null in cases of uninstalled apps or install-state 5319 // skew across users/profiles. 5320 if (pi != null) { 5321 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5322 if (numMatch == permissions.length) { 5323 pi.requestedPermissions = permissions; 5324 } else { 5325 pi.requestedPermissions = new String[numMatch]; 5326 numMatch = 0; 5327 for (int i=0; i<permissions.length; i++) { 5328 if (tmp[i]) { 5329 pi.requestedPermissions[numMatch] = permissions[i]; 5330 numMatch++; 5331 } 5332 } 5333 } 5334 } 5335 list.add(pi); 5336 } 5337 } 5338 5339 @Override 5340 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5341 String[] permissions, int flags, int userId) { 5342 if (!sUserManager.exists(userId)) return null; 5343 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5344 5345 // writer 5346 synchronized (mPackages) { 5347 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5348 boolean[] tmpBools = new boolean[permissions.length]; 5349 if (listUninstalled) { 5350 for (PackageSetting ps : mSettings.mPackages.values()) { 5351 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5352 } 5353 } else { 5354 for (PackageParser.Package pkg : mPackages.values()) { 5355 PackageSetting ps = (PackageSetting)pkg.mExtras; 5356 if (ps != null) { 5357 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5358 userId); 5359 } 5360 } 5361 } 5362 5363 return new ParceledListSlice<PackageInfo>(list); 5364 } 5365 } 5366 5367 @Override 5368 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5369 if (!sUserManager.exists(userId)) return null; 5370 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5371 5372 // writer 5373 synchronized (mPackages) { 5374 ArrayList<ApplicationInfo> list; 5375 if (listUninstalled) { 5376 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5377 for (PackageSetting ps : mSettings.mPackages.values()) { 5378 ApplicationInfo ai; 5379 if (ps.pkg != null) { 5380 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5381 ps.readUserState(userId), userId); 5382 } else { 5383 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5384 } 5385 if (ai != null) { 5386 list.add(ai); 5387 } 5388 } 5389 } else { 5390 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5391 for (PackageParser.Package p : mPackages.values()) { 5392 if (p.mExtras != null) { 5393 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5394 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5395 if (ai != null) { 5396 list.add(ai); 5397 } 5398 } 5399 } 5400 } 5401 5402 return new ParceledListSlice<ApplicationInfo>(list); 5403 } 5404 } 5405 5406 public List<ApplicationInfo> getPersistentApplications(int flags) { 5407 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5408 5409 // reader 5410 synchronized (mPackages) { 5411 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5412 final int userId = UserHandle.getCallingUserId(); 5413 while (i.hasNext()) { 5414 final PackageParser.Package p = i.next(); 5415 if (p.applicationInfo != null 5416 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5417 && (!mSafeMode || isSystemApp(p))) { 5418 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5419 if (ps != null) { 5420 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5421 ps.readUserState(userId), userId); 5422 if (ai != null) { 5423 finalList.add(ai); 5424 } 5425 } 5426 } 5427 } 5428 } 5429 5430 return finalList; 5431 } 5432 5433 @Override 5434 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5435 if (!sUserManager.exists(userId)) return null; 5436 // reader 5437 synchronized (mPackages) { 5438 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5439 PackageSetting ps = provider != null 5440 ? mSettings.mPackages.get(provider.owner.packageName) 5441 : null; 5442 return ps != null 5443 && mSettings.isEnabledLPr(provider.info, flags, userId) 5444 && (!mSafeMode || (provider.info.applicationInfo.flags 5445 &ApplicationInfo.FLAG_SYSTEM) != 0) 5446 ? PackageParser.generateProviderInfo(provider, flags, 5447 ps.readUserState(userId), userId) 5448 : null; 5449 } 5450 } 5451 5452 /** 5453 * @deprecated 5454 */ 5455 @Deprecated 5456 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5457 // reader 5458 synchronized (mPackages) { 5459 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5460 .entrySet().iterator(); 5461 final int userId = UserHandle.getCallingUserId(); 5462 while (i.hasNext()) { 5463 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5464 PackageParser.Provider p = entry.getValue(); 5465 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5466 5467 if (ps != null && p.syncable 5468 && (!mSafeMode || (p.info.applicationInfo.flags 5469 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5470 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5471 ps.readUserState(userId), userId); 5472 if (info != null) { 5473 outNames.add(entry.getKey()); 5474 outInfo.add(info); 5475 } 5476 } 5477 } 5478 } 5479 } 5480 5481 @Override 5482 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5483 int uid, int flags) { 5484 ArrayList<ProviderInfo> finalList = null; 5485 // reader 5486 synchronized (mPackages) { 5487 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5488 final int userId = processName != null ? 5489 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5490 while (i.hasNext()) { 5491 final PackageParser.Provider p = i.next(); 5492 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5493 if (ps != null && p.info.authority != null 5494 && (processName == null 5495 || (p.info.processName.equals(processName) 5496 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5497 && mSettings.isEnabledLPr(p.info, flags, userId) 5498 && (!mSafeMode 5499 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5500 if (finalList == null) { 5501 finalList = new ArrayList<ProviderInfo>(3); 5502 } 5503 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5504 ps.readUserState(userId), userId); 5505 if (info != null) { 5506 finalList.add(info); 5507 } 5508 } 5509 } 5510 } 5511 5512 if (finalList != null) { 5513 Collections.sort(finalList, mProviderInitOrderSorter); 5514 return new ParceledListSlice<ProviderInfo>(finalList); 5515 } 5516 5517 return null; 5518 } 5519 5520 @Override 5521 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5522 int flags) { 5523 // reader 5524 synchronized (mPackages) { 5525 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5526 return PackageParser.generateInstrumentationInfo(i, flags); 5527 } 5528 } 5529 5530 @Override 5531 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5532 int flags) { 5533 ArrayList<InstrumentationInfo> finalList = 5534 new ArrayList<InstrumentationInfo>(); 5535 5536 // reader 5537 synchronized (mPackages) { 5538 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5539 while (i.hasNext()) { 5540 final PackageParser.Instrumentation p = i.next(); 5541 if (targetPackage == null 5542 || targetPackage.equals(p.info.targetPackage)) { 5543 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5544 flags); 5545 if (ii != null) { 5546 finalList.add(ii); 5547 } 5548 } 5549 } 5550 } 5551 5552 return finalList; 5553 } 5554 5555 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5556 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5557 if (overlays == null) { 5558 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5559 return; 5560 } 5561 for (PackageParser.Package opkg : overlays.values()) { 5562 // Not much to do if idmap fails: we already logged the error 5563 // and we certainly don't want to abort installation of pkg simply 5564 // because an overlay didn't fit properly. For these reasons, 5565 // ignore the return value of createIdmapForPackagePairLI. 5566 createIdmapForPackagePairLI(pkg, opkg); 5567 } 5568 } 5569 5570 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5571 PackageParser.Package opkg) { 5572 if (!opkg.mTrustedOverlay) { 5573 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5574 opkg.baseCodePath + ": overlay not trusted"); 5575 return false; 5576 } 5577 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5578 if (overlaySet == null) { 5579 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5580 opkg.baseCodePath + " but target package has no known overlays"); 5581 return false; 5582 } 5583 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5584 // TODO: generate idmap for split APKs 5585 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5586 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5587 + opkg.baseCodePath); 5588 return false; 5589 } 5590 PackageParser.Package[] overlayArray = 5591 overlaySet.values().toArray(new PackageParser.Package[0]); 5592 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5593 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5594 return p1.mOverlayPriority - p2.mOverlayPriority; 5595 } 5596 }; 5597 Arrays.sort(overlayArray, cmp); 5598 5599 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5600 int i = 0; 5601 for (PackageParser.Package p : overlayArray) { 5602 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5603 } 5604 return true; 5605 } 5606 5607 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5608 final File[] files = dir.listFiles(); 5609 if (ArrayUtils.isEmpty(files)) { 5610 Log.d(TAG, "No files in app dir " + dir); 5611 return; 5612 } 5613 5614 if (DEBUG_PACKAGE_SCANNING) { 5615 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5616 + " flags=0x" + Integer.toHexString(parseFlags)); 5617 } 5618 5619 for (File file : files) { 5620 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5621 && !PackageInstallerService.isStageName(file.getName()); 5622 if (!isPackage) { 5623 // Ignore entries which are not packages 5624 continue; 5625 } 5626 try { 5627 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5628 scanFlags, currentTime, null); 5629 } catch (PackageManagerException e) { 5630 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5631 5632 // Delete invalid userdata apps 5633 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5634 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5635 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5636 if (file.isDirectory()) { 5637 mInstaller.rmPackageDir(file.getAbsolutePath()); 5638 } else { 5639 file.delete(); 5640 } 5641 } 5642 } 5643 } 5644 } 5645 5646 private static File getSettingsProblemFile() { 5647 File dataDir = Environment.getDataDirectory(); 5648 File systemDir = new File(dataDir, "system"); 5649 File fname = new File(systemDir, "uiderrors.txt"); 5650 return fname; 5651 } 5652 5653 static void reportSettingsProblem(int priority, String msg) { 5654 logCriticalInfo(priority, msg); 5655 } 5656 5657 static void logCriticalInfo(int priority, String msg) { 5658 Slog.println(priority, TAG, msg); 5659 EventLogTags.writePmCriticalInfo(msg); 5660 try { 5661 File fname = getSettingsProblemFile(); 5662 FileOutputStream out = new FileOutputStream(fname, true); 5663 PrintWriter pw = new FastPrintWriter(out); 5664 SimpleDateFormat formatter = new SimpleDateFormat(); 5665 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5666 pw.println(dateString + ": " + msg); 5667 pw.close(); 5668 FileUtils.setPermissions( 5669 fname.toString(), 5670 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5671 -1, -1); 5672 } catch (java.io.IOException e) { 5673 } 5674 } 5675 5676 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5677 PackageParser.Package pkg, File srcFile, int parseFlags) 5678 throws PackageManagerException { 5679 if (ps != null 5680 && ps.codePath.equals(srcFile) 5681 && ps.timeStamp == srcFile.lastModified() 5682 && !isCompatSignatureUpdateNeeded(pkg) 5683 && !isRecoverSignatureUpdateNeeded(pkg)) { 5684 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5685 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5686 ArraySet<PublicKey> signingKs; 5687 synchronized (mPackages) { 5688 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5689 } 5690 if (ps.signatures.mSignatures != null 5691 && ps.signatures.mSignatures.length != 0 5692 && signingKs != null) { 5693 // Optimization: reuse the existing cached certificates 5694 // if the package appears to be unchanged. 5695 pkg.mSignatures = ps.signatures.mSignatures; 5696 pkg.mSigningKeys = signingKs; 5697 return; 5698 } 5699 5700 Slog.w(TAG, "PackageSetting for " + ps.name 5701 + " is missing signatures. Collecting certs again to recover them."); 5702 } else { 5703 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5704 } 5705 5706 try { 5707 pp.collectCertificates(pkg, parseFlags); 5708 pp.collectManifestDigest(pkg); 5709 } catch (PackageParserException e) { 5710 throw PackageManagerException.from(e); 5711 } 5712 } 5713 5714 /* 5715 * Scan a package and return the newly parsed package. 5716 * Returns null in case of errors and the error code is stored in mLastScanError 5717 */ 5718 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5719 long currentTime, UserHandle user) throws PackageManagerException { 5720 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5721 parseFlags |= mDefParseFlags; 5722 PackageParser pp = new PackageParser(); 5723 pp.setSeparateProcesses(mSeparateProcesses); 5724 pp.setOnlyCoreApps(mOnlyCore); 5725 pp.setDisplayMetrics(mMetrics); 5726 5727 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5728 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5729 } 5730 5731 final PackageParser.Package pkg; 5732 try { 5733 pkg = pp.parsePackage(scanFile, parseFlags); 5734 } catch (PackageParserException e) { 5735 throw PackageManagerException.from(e); 5736 } 5737 5738 PackageSetting ps = null; 5739 PackageSetting updatedPkg; 5740 // reader 5741 synchronized (mPackages) { 5742 // Look to see if we already know about this package. 5743 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5744 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5745 // This package has been renamed to its original name. Let's 5746 // use that. 5747 ps = mSettings.peekPackageLPr(oldName); 5748 } 5749 // If there was no original package, see one for the real package name. 5750 if (ps == null) { 5751 ps = mSettings.peekPackageLPr(pkg.packageName); 5752 } 5753 // Check to see if this package could be hiding/updating a system 5754 // package. Must look for it either under the original or real 5755 // package name depending on our state. 5756 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5757 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5758 } 5759 boolean updatedPkgBetter = false; 5760 // First check if this is a system package that may involve an update 5761 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5762 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5763 // it needs to drop FLAG_PRIVILEGED. 5764 if (locationIsPrivileged(scanFile)) { 5765 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5766 } else { 5767 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5768 } 5769 5770 if (ps != null && !ps.codePath.equals(scanFile)) { 5771 // The path has changed from what was last scanned... check the 5772 // version of the new path against what we have stored to determine 5773 // what to do. 5774 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5775 if (pkg.mVersionCode <= ps.versionCode) { 5776 // The system package has been updated and the code path does not match 5777 // Ignore entry. Skip it. 5778 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5779 + " ignored: updated version " + ps.versionCode 5780 + " better than this " + pkg.mVersionCode); 5781 if (!updatedPkg.codePath.equals(scanFile)) { 5782 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5783 + ps.name + " changing from " + updatedPkg.codePathString 5784 + " to " + scanFile); 5785 updatedPkg.codePath = scanFile; 5786 updatedPkg.codePathString = scanFile.toString(); 5787 updatedPkg.resourcePath = scanFile; 5788 updatedPkg.resourcePathString = scanFile.toString(); 5789 } 5790 updatedPkg.pkg = pkg; 5791 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5792 "Package " + ps.name + " at " + scanFile 5793 + " ignored: updated version " + ps.versionCode 5794 + " better than this " + pkg.mVersionCode); 5795 } else { 5796 // The current app on the system partition is better than 5797 // what we have updated to on the data partition; switch 5798 // back to the system partition version. 5799 // At this point, its safely assumed that package installation for 5800 // apps in system partition will go through. If not there won't be a working 5801 // version of the app 5802 // writer 5803 synchronized (mPackages) { 5804 // Just remove the loaded entries from package lists. 5805 mPackages.remove(ps.name); 5806 } 5807 5808 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5809 + " reverting from " + ps.codePathString 5810 + ": new version " + pkg.mVersionCode 5811 + " better than installed " + ps.versionCode); 5812 5813 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5814 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5815 synchronized (mInstallLock) { 5816 args.cleanUpResourcesLI(); 5817 } 5818 synchronized (mPackages) { 5819 mSettings.enableSystemPackageLPw(ps.name); 5820 } 5821 updatedPkgBetter = true; 5822 } 5823 } 5824 } 5825 5826 if (updatedPkg != null) { 5827 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5828 // initially 5829 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5830 5831 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5832 // flag set initially 5833 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5834 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5835 } 5836 } 5837 5838 // Verify certificates against what was last scanned 5839 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5840 5841 /* 5842 * A new system app appeared, but we already had a non-system one of the 5843 * same name installed earlier. 5844 */ 5845 boolean shouldHideSystemApp = false; 5846 if (updatedPkg == null && ps != null 5847 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5848 /* 5849 * Check to make sure the signatures match first. If they don't, 5850 * wipe the installed application and its data. 5851 */ 5852 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5853 != PackageManager.SIGNATURE_MATCH) { 5854 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5855 + " signatures don't match existing userdata copy; removing"); 5856 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5857 ps = null; 5858 } else { 5859 /* 5860 * If the newly-added system app is an older version than the 5861 * already installed version, hide it. It will be scanned later 5862 * and re-added like an update. 5863 */ 5864 if (pkg.mVersionCode <= ps.versionCode) { 5865 shouldHideSystemApp = true; 5866 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5867 + " but new version " + pkg.mVersionCode + " better than installed " 5868 + ps.versionCode + "; hiding system"); 5869 } else { 5870 /* 5871 * The newly found system app is a newer version that the 5872 * one previously installed. Simply remove the 5873 * already-installed application and replace it with our own 5874 * while keeping the application data. 5875 */ 5876 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5877 + " reverting from " + ps.codePathString + ": new version " 5878 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5879 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5880 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5881 synchronized (mInstallLock) { 5882 args.cleanUpResourcesLI(); 5883 } 5884 } 5885 } 5886 } 5887 5888 // The apk is forward locked (not public) if its code and resources 5889 // are kept in different files. (except for app in either system or 5890 // vendor path). 5891 // TODO grab this value from PackageSettings 5892 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5893 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5894 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5895 } 5896 } 5897 5898 // TODO: extend to support forward-locked splits 5899 String resourcePath = null; 5900 String baseResourcePath = null; 5901 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5902 if (ps != null && ps.resourcePathString != null) { 5903 resourcePath = ps.resourcePathString; 5904 baseResourcePath = ps.resourcePathString; 5905 } else { 5906 // Should not happen at all. Just log an error. 5907 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5908 } 5909 } else { 5910 resourcePath = pkg.codePath; 5911 baseResourcePath = pkg.baseCodePath; 5912 } 5913 5914 // Set application objects path explicitly. 5915 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5916 pkg.applicationInfo.setCodePath(pkg.codePath); 5917 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5918 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5919 pkg.applicationInfo.setResourcePath(resourcePath); 5920 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5921 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5922 5923 // Note that we invoke the following method only if we are about to unpack an application 5924 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5925 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5926 5927 /* 5928 * If the system app should be overridden by a previously installed 5929 * data, hide the system app now and let the /data/app scan pick it up 5930 * again. 5931 */ 5932 if (shouldHideSystemApp) { 5933 synchronized (mPackages) { 5934 mSettings.disableSystemPackageLPw(pkg.packageName); 5935 } 5936 } 5937 5938 return scannedPkg; 5939 } 5940 5941 private static String fixProcessName(String defProcessName, 5942 String processName, int uid) { 5943 if (processName == null) { 5944 return defProcessName; 5945 } 5946 return processName; 5947 } 5948 5949 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5950 throws PackageManagerException { 5951 if (pkgSetting.signatures.mSignatures != null) { 5952 // Already existing package. Make sure signatures match 5953 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5954 == PackageManager.SIGNATURE_MATCH; 5955 if (!match) { 5956 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5957 == PackageManager.SIGNATURE_MATCH; 5958 } 5959 if (!match) { 5960 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5961 == PackageManager.SIGNATURE_MATCH; 5962 } 5963 if (!match) { 5964 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5965 + pkg.packageName + " signatures do not match the " 5966 + "previously installed version; ignoring!"); 5967 } 5968 } 5969 5970 // Check for shared user signatures 5971 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5972 // Already existing package. Make sure signatures match 5973 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5974 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5975 if (!match) { 5976 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5977 == PackageManager.SIGNATURE_MATCH; 5978 } 5979 if (!match) { 5980 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5981 == PackageManager.SIGNATURE_MATCH; 5982 } 5983 if (!match) { 5984 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5985 "Package " + pkg.packageName 5986 + " has no signatures that match those in shared user " 5987 + pkgSetting.sharedUser.name + "; ignoring!"); 5988 } 5989 } 5990 } 5991 5992 /** 5993 * Enforces that only the system UID or root's UID can call a method exposed 5994 * via Binder. 5995 * 5996 * @param message used as message if SecurityException is thrown 5997 * @throws SecurityException if the caller is not system or root 5998 */ 5999 private static final void enforceSystemOrRoot(String message) { 6000 final int uid = Binder.getCallingUid(); 6001 if (uid != Process.SYSTEM_UID && uid != 0) { 6002 throw new SecurityException(message); 6003 } 6004 } 6005 6006 @Override 6007 public void performBootDexOpt() { 6008 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6009 6010 // Before everything else, see whether we need to fstrim. 6011 try { 6012 IMountService ms = PackageHelper.getMountService(); 6013 if (ms != null) { 6014 final boolean isUpgrade = isUpgrade(); 6015 boolean doTrim = isUpgrade; 6016 if (doTrim) { 6017 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6018 } else { 6019 final long interval = android.provider.Settings.Global.getLong( 6020 mContext.getContentResolver(), 6021 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6022 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6023 if (interval > 0) { 6024 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6025 if (timeSinceLast > interval) { 6026 doTrim = true; 6027 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6028 + "; running immediately"); 6029 } 6030 } 6031 } 6032 if (doTrim) { 6033 if (!isFirstBoot()) { 6034 try { 6035 ActivityManagerNative.getDefault().showBootMessage( 6036 mContext.getResources().getString( 6037 R.string.android_upgrading_fstrim), true); 6038 } catch (RemoteException e) { 6039 } 6040 } 6041 ms.runMaintenance(); 6042 } 6043 } else { 6044 Slog.e(TAG, "Mount service unavailable!"); 6045 } 6046 } catch (RemoteException e) { 6047 // Can't happen; MountService is local 6048 } 6049 6050 final ArraySet<PackageParser.Package> pkgs; 6051 synchronized (mPackages) { 6052 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6053 } 6054 6055 if (pkgs != null) { 6056 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6057 // in case the device runs out of space. 6058 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6059 // Give priority to core apps. 6060 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6061 PackageParser.Package pkg = it.next(); 6062 if (pkg.coreApp) { 6063 if (DEBUG_DEXOPT) { 6064 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6065 } 6066 sortedPkgs.add(pkg); 6067 it.remove(); 6068 } 6069 } 6070 // Give priority to system apps that listen for pre boot complete. 6071 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6072 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 6073 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6074 PackageParser.Package pkg = it.next(); 6075 if (pkgNames.contains(pkg.packageName)) { 6076 if (DEBUG_DEXOPT) { 6077 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6078 } 6079 sortedPkgs.add(pkg); 6080 it.remove(); 6081 } 6082 } 6083 // Filter out packages that aren't recently used. 6084 filterRecentlyUsedApps(pkgs); 6085 // Add all remaining apps. 6086 for (PackageParser.Package pkg : pkgs) { 6087 if (DEBUG_DEXOPT) { 6088 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6089 } 6090 sortedPkgs.add(pkg); 6091 } 6092 6093 // If we want to be lazy, filter everything that wasn't recently used. 6094 if (mLazyDexOpt) { 6095 filterRecentlyUsedApps(sortedPkgs); 6096 } 6097 6098 int i = 0; 6099 int total = sortedPkgs.size(); 6100 File dataDir = Environment.getDataDirectory(); 6101 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6102 if (lowThreshold == 0) { 6103 throw new IllegalStateException("Invalid low memory threshold"); 6104 } 6105 for (PackageParser.Package pkg : sortedPkgs) { 6106 long usableSpace = dataDir.getUsableSpace(); 6107 if (usableSpace < lowThreshold) { 6108 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6109 break; 6110 } 6111 performBootDexOpt(pkg, ++i, total); 6112 } 6113 } 6114 } 6115 6116 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6117 // Filter out packages that aren't recently used. 6118 // 6119 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6120 // should do a full dexopt. 6121 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6122 int total = pkgs.size(); 6123 int skipped = 0; 6124 long now = System.currentTimeMillis(); 6125 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6126 PackageParser.Package pkg = i.next(); 6127 long then = pkg.mLastPackageUsageTimeInMills; 6128 if (then + mDexOptLRUThresholdInMills < now) { 6129 if (DEBUG_DEXOPT) { 6130 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6131 ((then == 0) ? "never" : new Date(then))); 6132 } 6133 i.remove(); 6134 skipped++; 6135 } 6136 } 6137 if (DEBUG_DEXOPT) { 6138 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6139 } 6140 } 6141 } 6142 6143 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6144 List<ResolveInfo> ris = null; 6145 try { 6146 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6147 intent, null, 0, UserHandle.USER_OWNER); 6148 } catch (RemoteException e) { 6149 } 6150 ArraySet<String> pkgNames = new ArraySet<String>(); 6151 if (ris != null) { 6152 for (ResolveInfo ri : ris) { 6153 pkgNames.add(ri.activityInfo.packageName); 6154 } 6155 } 6156 return pkgNames; 6157 } 6158 6159 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6160 if (DEBUG_DEXOPT) { 6161 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6162 } 6163 if (!isFirstBoot()) { 6164 try { 6165 ActivityManagerNative.getDefault().showBootMessage( 6166 mContext.getResources().getString(R.string.android_upgrading_apk, 6167 curr, total), true); 6168 } catch (RemoteException e) { 6169 } 6170 } 6171 PackageParser.Package p = pkg; 6172 synchronized (mInstallLock) { 6173 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6174 false /* force dex */, false /* defer */, true /* include dependencies */, 6175 false /* boot complete */, false /*useJit*/); 6176 } 6177 } 6178 6179 @Override 6180 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6181 return performDexOpt(packageName, instructionSet, false); 6182 } 6183 6184 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6185 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6186 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6187 if (!dexopt && !updateUsage) { 6188 // We aren't going to dexopt or update usage, so bail early. 6189 return false; 6190 } 6191 PackageParser.Package p; 6192 final String targetInstructionSet; 6193 synchronized (mPackages) { 6194 p = mPackages.get(packageName); 6195 if (p == null) { 6196 return false; 6197 } 6198 if (updateUsage) { 6199 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6200 } 6201 mPackageUsage.write(false); 6202 if (!dexopt) { 6203 // We aren't going to dexopt, so bail early. 6204 return false; 6205 } 6206 6207 targetInstructionSet = instructionSet != null ? instructionSet : 6208 getPrimaryInstructionSet(p.applicationInfo); 6209 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6210 return false; 6211 } 6212 } 6213 long callingId = Binder.clearCallingIdentity(); 6214 try { 6215 synchronized (mInstallLock) { 6216 final String[] instructionSets = new String[] { targetInstructionSet }; 6217 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6218 false /* forceDex */, false /* defer */, true /* inclDependencies */, 6219 true /* boot complete */, false /*useJit*/); 6220 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6221 } 6222 } finally { 6223 Binder.restoreCallingIdentity(callingId); 6224 } 6225 } 6226 6227 public ArraySet<String> getPackagesThatNeedDexOpt() { 6228 ArraySet<String> pkgs = null; 6229 synchronized (mPackages) { 6230 for (PackageParser.Package p : mPackages.values()) { 6231 if (DEBUG_DEXOPT) { 6232 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6233 } 6234 if (!p.mDexOptPerformed.isEmpty()) { 6235 continue; 6236 } 6237 if (pkgs == null) { 6238 pkgs = new ArraySet<String>(); 6239 } 6240 pkgs.add(p.packageName); 6241 } 6242 } 6243 return pkgs; 6244 } 6245 6246 public void shutdown() { 6247 mPackageUsage.write(true); 6248 } 6249 6250 @Override 6251 public void forceDexOpt(String packageName) { 6252 enforceSystemOrRoot("forceDexOpt"); 6253 6254 PackageParser.Package pkg; 6255 synchronized (mPackages) { 6256 pkg = mPackages.get(packageName); 6257 if (pkg == null) { 6258 throw new IllegalArgumentException("Missing package: " + packageName); 6259 } 6260 } 6261 6262 synchronized (mInstallLock) { 6263 final String[] instructionSets = new String[] { 6264 getPrimaryInstructionSet(pkg.applicationInfo) }; 6265 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6266 true /*forceDex*/, false /* defer */, true /* inclDependencies */, 6267 true /* boot complete */, false /*useJit*/); 6268 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6269 throw new IllegalStateException("Failed to dexopt: " + res); 6270 } 6271 } 6272 } 6273 6274 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6275 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6276 Slog.w(TAG, "Unable to update from " + oldPkg.name 6277 + " to " + newPkg.packageName 6278 + ": old package not in system partition"); 6279 return false; 6280 } else if (mPackages.get(oldPkg.name) != null) { 6281 Slog.w(TAG, "Unable to update from " + oldPkg.name 6282 + " to " + newPkg.packageName 6283 + ": old package still exists"); 6284 return false; 6285 } 6286 return true; 6287 } 6288 6289 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6290 int[] users = sUserManager.getUserIds(); 6291 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6292 if (res < 0) { 6293 return res; 6294 } 6295 for (int user : users) { 6296 if (user != 0) { 6297 res = mInstaller.createUserData(volumeUuid, packageName, 6298 UserHandle.getUid(user, uid), user, seinfo); 6299 if (res < 0) { 6300 return res; 6301 } 6302 } 6303 } 6304 return res; 6305 } 6306 6307 private int removeDataDirsLI(String volumeUuid, String packageName) { 6308 int[] users = sUserManager.getUserIds(); 6309 int res = 0; 6310 for (int user : users) { 6311 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6312 if (resInner < 0) { 6313 res = resInner; 6314 } 6315 } 6316 6317 return res; 6318 } 6319 6320 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6321 int[] users = sUserManager.getUserIds(); 6322 int res = 0; 6323 for (int user : users) { 6324 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6325 if (resInner < 0) { 6326 res = resInner; 6327 } 6328 } 6329 return res; 6330 } 6331 6332 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6333 PackageParser.Package changingLib) { 6334 if (file.path != null) { 6335 usesLibraryFiles.add(file.path); 6336 return; 6337 } 6338 PackageParser.Package p = mPackages.get(file.apk); 6339 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6340 // If we are doing this while in the middle of updating a library apk, 6341 // then we need to make sure to use that new apk for determining the 6342 // dependencies here. (We haven't yet finished committing the new apk 6343 // to the package manager state.) 6344 if (p == null || p.packageName.equals(changingLib.packageName)) { 6345 p = changingLib; 6346 } 6347 } 6348 if (p != null) { 6349 usesLibraryFiles.addAll(p.getAllCodePaths()); 6350 } 6351 } 6352 6353 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6354 PackageParser.Package changingLib) throws PackageManagerException { 6355 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6356 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6357 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6358 for (int i=0; i<N; i++) { 6359 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6360 if (file == null) { 6361 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6362 "Package " + pkg.packageName + " requires unavailable shared library " 6363 + pkg.usesLibraries.get(i) + "; failing!"); 6364 } 6365 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6366 } 6367 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6368 for (int i=0; i<N; i++) { 6369 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6370 if (file == null) { 6371 Slog.w(TAG, "Package " + pkg.packageName 6372 + " desires unavailable shared library " 6373 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6374 } else { 6375 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6376 } 6377 } 6378 N = usesLibraryFiles.size(); 6379 if (N > 0) { 6380 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6381 } else { 6382 pkg.usesLibraryFiles = null; 6383 } 6384 } 6385 } 6386 6387 private static boolean hasString(List<String> list, List<String> which) { 6388 if (list == null) { 6389 return false; 6390 } 6391 for (int i=list.size()-1; i>=0; i--) { 6392 for (int j=which.size()-1; j>=0; j--) { 6393 if (which.get(j).equals(list.get(i))) { 6394 return true; 6395 } 6396 } 6397 } 6398 return false; 6399 } 6400 6401 private void updateAllSharedLibrariesLPw() { 6402 for (PackageParser.Package pkg : mPackages.values()) { 6403 try { 6404 updateSharedLibrariesLPw(pkg, null); 6405 } catch (PackageManagerException e) { 6406 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6407 } 6408 } 6409 } 6410 6411 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6412 PackageParser.Package changingPkg) { 6413 ArrayList<PackageParser.Package> res = null; 6414 for (PackageParser.Package pkg : mPackages.values()) { 6415 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6416 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6417 if (res == null) { 6418 res = new ArrayList<PackageParser.Package>(); 6419 } 6420 res.add(pkg); 6421 try { 6422 updateSharedLibrariesLPw(pkg, changingPkg); 6423 } catch (PackageManagerException e) { 6424 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6425 } 6426 } 6427 } 6428 return res; 6429 } 6430 6431 /** 6432 * Derive the value of the {@code cpuAbiOverride} based on the provided 6433 * value and an optional stored value from the package settings. 6434 */ 6435 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6436 String cpuAbiOverride = null; 6437 6438 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6439 cpuAbiOverride = null; 6440 } else if (abiOverride != null) { 6441 cpuAbiOverride = abiOverride; 6442 } else if (settings != null) { 6443 cpuAbiOverride = settings.cpuAbiOverrideString; 6444 } 6445 6446 return cpuAbiOverride; 6447 } 6448 6449 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6450 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6451 boolean success = false; 6452 try { 6453 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6454 currentTime, user); 6455 success = true; 6456 return res; 6457 } finally { 6458 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6459 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6460 } 6461 } 6462 } 6463 6464 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6465 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6466 final File scanFile = new File(pkg.codePath); 6467 if (pkg.applicationInfo.getCodePath() == null || 6468 pkg.applicationInfo.getResourcePath() == null) { 6469 // Bail out. The resource and code paths haven't been set. 6470 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6471 "Code and resource paths haven't been set correctly"); 6472 } 6473 6474 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6475 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6476 } else { 6477 // Only allow system apps to be flagged as core apps. 6478 pkg.coreApp = false; 6479 } 6480 6481 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6482 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6483 } 6484 6485 if (mCustomResolverComponentName != null && 6486 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6487 setUpCustomResolverActivity(pkg); 6488 } 6489 6490 if (pkg.packageName.equals("android")) { 6491 synchronized (mPackages) { 6492 if (mAndroidApplication != null) { 6493 Slog.w(TAG, "*************************************************"); 6494 Slog.w(TAG, "Core android package being redefined. Skipping."); 6495 Slog.w(TAG, " file=" + scanFile); 6496 Slog.w(TAG, "*************************************************"); 6497 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6498 "Core android package being redefined. Skipping."); 6499 } 6500 6501 // Set up information for our fall-back user intent resolution activity. 6502 mPlatformPackage = pkg; 6503 pkg.mVersionCode = mSdkVersion; 6504 mAndroidApplication = pkg.applicationInfo; 6505 6506 if (!mResolverReplaced) { 6507 mResolveActivity.applicationInfo = mAndroidApplication; 6508 mResolveActivity.name = ResolverActivity.class.getName(); 6509 mResolveActivity.packageName = mAndroidApplication.packageName; 6510 mResolveActivity.processName = "system:ui"; 6511 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6512 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6513 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6514 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6515 mResolveActivity.exported = true; 6516 mResolveActivity.enabled = true; 6517 mResolveInfo.activityInfo = mResolveActivity; 6518 mResolveInfo.priority = 0; 6519 mResolveInfo.preferredOrder = 0; 6520 mResolveInfo.match = 0; 6521 mResolveComponentName = new ComponentName( 6522 mAndroidApplication.packageName, mResolveActivity.name); 6523 } 6524 } 6525 } 6526 6527 if (DEBUG_PACKAGE_SCANNING) { 6528 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6529 Log.d(TAG, "Scanning package " + pkg.packageName); 6530 } 6531 6532 if (mPackages.containsKey(pkg.packageName) 6533 || mSharedLibraries.containsKey(pkg.packageName)) { 6534 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6535 "Application package " + pkg.packageName 6536 + " already installed. Skipping duplicate."); 6537 } 6538 6539 // If we're only installing presumed-existing packages, require that the 6540 // scanned APK is both already known and at the path previously established 6541 // for it. Previously unknown packages we pick up normally, but if we have an 6542 // a priori expectation about this package's install presence, enforce it. 6543 // With a singular exception for new system packages. When an OTA contains 6544 // a new system package, we allow the codepath to change from a system location 6545 // to the user-installed location. If we don't allow this change, any newer, 6546 // user-installed version of the application will be ignored. 6547 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6548 if (mExpectingBetter.containsKey(pkg.packageName)) { 6549 logCriticalInfo(Log.WARN, 6550 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6551 } else { 6552 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6553 if (known != null) { 6554 if (DEBUG_PACKAGE_SCANNING) { 6555 Log.d(TAG, "Examining " + pkg.codePath 6556 + " and requiring known paths " + known.codePathString 6557 + " & " + known.resourcePathString); 6558 } 6559 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6560 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6561 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6562 "Application package " + pkg.packageName 6563 + " found at " + pkg.applicationInfo.getCodePath() 6564 + " but expected at " + known.codePathString + "; ignoring."); 6565 } 6566 } 6567 } 6568 } 6569 6570 // Initialize package source and resource directories 6571 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6572 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6573 6574 SharedUserSetting suid = null; 6575 PackageSetting pkgSetting = null; 6576 6577 if (!isSystemApp(pkg)) { 6578 // Only system apps can use these features. 6579 pkg.mOriginalPackages = null; 6580 pkg.mRealPackage = null; 6581 pkg.mAdoptPermissions = null; 6582 } 6583 6584 // writer 6585 synchronized (mPackages) { 6586 if (pkg.mSharedUserId != null) { 6587 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6588 if (suid == null) { 6589 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6590 "Creating application package " + pkg.packageName 6591 + " for shared user failed"); 6592 } 6593 if (DEBUG_PACKAGE_SCANNING) { 6594 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6595 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6596 + "): packages=" + suid.packages); 6597 } 6598 } 6599 6600 // Check if we are renaming from an original package name. 6601 PackageSetting origPackage = null; 6602 String realName = null; 6603 if (pkg.mOriginalPackages != null) { 6604 // This package may need to be renamed to a previously 6605 // installed name. Let's check on that... 6606 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6607 if (pkg.mOriginalPackages.contains(renamed)) { 6608 // This package had originally been installed as the 6609 // original name, and we have already taken care of 6610 // transitioning to the new one. Just update the new 6611 // one to continue using the old name. 6612 realName = pkg.mRealPackage; 6613 if (!pkg.packageName.equals(renamed)) { 6614 // Callers into this function may have already taken 6615 // care of renaming the package; only do it here if 6616 // it is not already done. 6617 pkg.setPackageName(renamed); 6618 } 6619 6620 } else { 6621 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6622 if ((origPackage = mSettings.peekPackageLPr( 6623 pkg.mOriginalPackages.get(i))) != null) { 6624 // We do have the package already installed under its 6625 // original name... should we use it? 6626 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6627 // New package is not compatible with original. 6628 origPackage = null; 6629 continue; 6630 } else if (origPackage.sharedUser != null) { 6631 // Make sure uid is compatible between packages. 6632 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6633 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6634 + " to " + pkg.packageName + ": old uid " 6635 + origPackage.sharedUser.name 6636 + " differs from " + pkg.mSharedUserId); 6637 origPackage = null; 6638 continue; 6639 } 6640 } else { 6641 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6642 + pkg.packageName + " to old name " + origPackage.name); 6643 } 6644 break; 6645 } 6646 } 6647 } 6648 } 6649 6650 if (mTransferedPackages.contains(pkg.packageName)) { 6651 Slog.w(TAG, "Package " + pkg.packageName 6652 + " was transferred to another, but its .apk remains"); 6653 } 6654 6655 // Just create the setting, don't add it yet. For already existing packages 6656 // the PkgSetting exists already and doesn't have to be created. 6657 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6658 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6659 pkg.applicationInfo.primaryCpuAbi, 6660 pkg.applicationInfo.secondaryCpuAbi, 6661 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6662 user, false); 6663 if (pkgSetting == null) { 6664 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6665 "Creating application package " + pkg.packageName + " failed"); 6666 } 6667 6668 if (pkgSetting.origPackage != null) { 6669 // If we are first transitioning from an original package, 6670 // fix up the new package's name now. We need to do this after 6671 // looking up the package under its new name, so getPackageLP 6672 // can take care of fiddling things correctly. 6673 pkg.setPackageName(origPackage.name); 6674 6675 // File a report about this. 6676 String msg = "New package " + pkgSetting.realName 6677 + " renamed to replace old package " + pkgSetting.name; 6678 reportSettingsProblem(Log.WARN, msg); 6679 6680 // Make a note of it. 6681 mTransferedPackages.add(origPackage.name); 6682 6683 // No longer need to retain this. 6684 pkgSetting.origPackage = null; 6685 } 6686 6687 if (realName != null) { 6688 // Make a note of it. 6689 mTransferedPackages.add(pkg.packageName); 6690 } 6691 6692 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6693 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6694 } 6695 6696 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6697 // Check all shared libraries and map to their actual file path. 6698 // We only do this here for apps not on a system dir, because those 6699 // are the only ones that can fail an install due to this. We 6700 // will take care of the system apps by updating all of their 6701 // library paths after the scan is done. 6702 updateSharedLibrariesLPw(pkg, null); 6703 } 6704 6705 if (mFoundPolicyFile) { 6706 SELinuxMMAC.assignSeinfoValue(pkg); 6707 } 6708 6709 pkg.applicationInfo.uid = pkgSetting.appId; 6710 pkg.mExtras = pkgSetting; 6711 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6712 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6713 // We just determined the app is signed correctly, so bring 6714 // over the latest parsed certs. 6715 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6716 } else { 6717 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6718 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6719 "Package " + pkg.packageName + " upgrade keys do not match the " 6720 + "previously installed version"); 6721 } else { 6722 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6723 String msg = "System package " + pkg.packageName 6724 + " signature changed; retaining data."; 6725 reportSettingsProblem(Log.WARN, msg); 6726 } 6727 } 6728 } else { 6729 try { 6730 verifySignaturesLP(pkgSetting, pkg); 6731 // We just determined the app is signed correctly, so bring 6732 // over the latest parsed certs. 6733 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6734 } catch (PackageManagerException e) { 6735 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6736 throw e; 6737 } 6738 // The signature has changed, but this package is in the system 6739 // image... let's recover! 6740 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6741 // However... if this package is part of a shared user, but it 6742 // doesn't match the signature of the shared user, let's fail. 6743 // What this means is that you can't change the signatures 6744 // associated with an overall shared user, which doesn't seem all 6745 // that unreasonable. 6746 if (pkgSetting.sharedUser != null) { 6747 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6748 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6749 throw new PackageManagerException( 6750 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6751 "Signature mismatch for shared user : " 6752 + pkgSetting.sharedUser); 6753 } 6754 } 6755 // File a report about this. 6756 String msg = "System package " + pkg.packageName 6757 + " signature changed; retaining data."; 6758 reportSettingsProblem(Log.WARN, msg); 6759 } 6760 } 6761 // Verify that this new package doesn't have any content providers 6762 // that conflict with existing packages. Only do this if the 6763 // package isn't already installed, since we don't want to break 6764 // things that are installed. 6765 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6766 final int N = pkg.providers.size(); 6767 int i; 6768 for (i=0; i<N; i++) { 6769 PackageParser.Provider p = pkg.providers.get(i); 6770 if (p.info.authority != null) { 6771 String names[] = p.info.authority.split(";"); 6772 for (int j = 0; j < names.length; j++) { 6773 if (mProvidersByAuthority.containsKey(names[j])) { 6774 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6775 final String otherPackageName = 6776 ((other != null && other.getComponentName() != null) ? 6777 other.getComponentName().getPackageName() : "?"); 6778 throw new PackageManagerException( 6779 INSTALL_FAILED_CONFLICTING_PROVIDER, 6780 "Can't install because provider name " + names[j] 6781 + " (in package " + pkg.applicationInfo.packageName 6782 + ") is already used by " + otherPackageName); 6783 } 6784 } 6785 } 6786 } 6787 } 6788 6789 if (pkg.mAdoptPermissions != null) { 6790 // This package wants to adopt ownership of permissions from 6791 // another package. 6792 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6793 final String origName = pkg.mAdoptPermissions.get(i); 6794 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6795 if (orig != null) { 6796 if (verifyPackageUpdateLPr(orig, pkg)) { 6797 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6798 + pkg.packageName); 6799 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6800 } 6801 } 6802 } 6803 } 6804 } 6805 6806 final String pkgName = pkg.packageName; 6807 6808 final long scanFileTime = scanFile.lastModified(); 6809 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6810 pkg.applicationInfo.processName = fixProcessName( 6811 pkg.applicationInfo.packageName, 6812 pkg.applicationInfo.processName, 6813 pkg.applicationInfo.uid); 6814 6815 File dataPath; 6816 if (mPlatformPackage == pkg) { 6817 // The system package is special. 6818 dataPath = new File(Environment.getDataDirectory(), "system"); 6819 6820 pkg.applicationInfo.dataDir = dataPath.getPath(); 6821 6822 } else { 6823 // This is a normal package, need to make its data directory. 6824 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6825 UserHandle.USER_OWNER, pkg.packageName); 6826 6827 boolean uidError = false; 6828 if (dataPath.exists()) { 6829 int currentUid = 0; 6830 try { 6831 StructStat stat = Os.stat(dataPath.getPath()); 6832 currentUid = stat.st_uid; 6833 } catch (ErrnoException e) { 6834 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6835 } 6836 6837 // If we have mismatched owners for the data path, we have a problem. 6838 if (currentUid != pkg.applicationInfo.uid) { 6839 boolean recovered = false; 6840 if (currentUid == 0) { 6841 // The directory somehow became owned by root. Wow. 6842 // This is probably because the system was stopped while 6843 // installd was in the middle of messing with its libs 6844 // directory. Ask installd to fix that. 6845 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6846 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6847 if (ret >= 0) { 6848 recovered = true; 6849 String msg = "Package " + pkg.packageName 6850 + " unexpectedly changed to uid 0; recovered to " + 6851 + pkg.applicationInfo.uid; 6852 reportSettingsProblem(Log.WARN, msg); 6853 } 6854 } 6855 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6856 || (scanFlags&SCAN_BOOTING) != 0)) { 6857 // If this is a system app, we can at least delete its 6858 // current data so the application will still work. 6859 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6860 if (ret >= 0) { 6861 // TODO: Kill the processes first 6862 // Old data gone! 6863 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6864 ? "System package " : "Third party package "; 6865 String msg = prefix + pkg.packageName 6866 + " has changed from uid: " 6867 + currentUid + " to " 6868 + pkg.applicationInfo.uid + "; old data erased"; 6869 reportSettingsProblem(Log.WARN, msg); 6870 recovered = true; 6871 6872 // And now re-install the app. 6873 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6874 pkg.applicationInfo.seinfo); 6875 if (ret == -1) { 6876 // Ack should not happen! 6877 msg = prefix + pkg.packageName 6878 + " could not have data directory re-created after delete."; 6879 reportSettingsProblem(Log.WARN, msg); 6880 throw new PackageManagerException( 6881 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6882 } 6883 } 6884 if (!recovered) { 6885 mHasSystemUidErrors = true; 6886 } 6887 } else if (!recovered) { 6888 // If we allow this install to proceed, we will be broken. 6889 // Abort, abort! 6890 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6891 "scanPackageLI"); 6892 } 6893 if (!recovered) { 6894 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6895 + pkg.applicationInfo.uid + "/fs_" 6896 + currentUid; 6897 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6898 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6899 String msg = "Package " + pkg.packageName 6900 + " has mismatched uid: " 6901 + currentUid + " on disk, " 6902 + pkg.applicationInfo.uid + " in settings"; 6903 // writer 6904 synchronized (mPackages) { 6905 mSettings.mReadMessages.append(msg); 6906 mSettings.mReadMessages.append('\n'); 6907 uidError = true; 6908 if (!pkgSetting.uidError) { 6909 reportSettingsProblem(Log.ERROR, msg); 6910 } 6911 } 6912 } 6913 } 6914 pkg.applicationInfo.dataDir = dataPath.getPath(); 6915 if (mShouldRestoreconData) { 6916 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6917 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6918 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6919 } 6920 } else { 6921 if (DEBUG_PACKAGE_SCANNING) { 6922 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6923 Log.v(TAG, "Want this data dir: " + dataPath); 6924 } 6925 //invoke installer to do the actual installation 6926 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6927 pkg.applicationInfo.seinfo); 6928 if (ret < 0) { 6929 // Error from installer 6930 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6931 "Unable to create data dirs [errorCode=" + ret + "]"); 6932 } 6933 6934 if (dataPath.exists()) { 6935 pkg.applicationInfo.dataDir = dataPath.getPath(); 6936 } else { 6937 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6938 pkg.applicationInfo.dataDir = null; 6939 } 6940 } 6941 6942 pkgSetting.uidError = uidError; 6943 } 6944 6945 final String path = scanFile.getPath(); 6946 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6947 6948 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6949 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6950 6951 // Some system apps still use directory structure for native libraries 6952 // in which case we might end up not detecting abi solely based on apk 6953 // structure. Try to detect abi based on directory structure. 6954 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6955 pkg.applicationInfo.primaryCpuAbi == null) { 6956 setBundledAppAbisAndRoots(pkg, pkgSetting); 6957 setNativeLibraryPaths(pkg); 6958 } 6959 6960 } else { 6961 if ((scanFlags & SCAN_MOVE) != 0) { 6962 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6963 // but we already have this packages package info in the PackageSetting. We just 6964 // use that and derive the native library path based on the new codepath. 6965 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6966 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6967 } 6968 6969 // Set native library paths again. For moves, the path will be updated based on the 6970 // ABIs we've determined above. For non-moves, the path will be updated based on the 6971 // ABIs we determined during compilation, but the path will depend on the final 6972 // package path (after the rename away from the stage path). 6973 setNativeLibraryPaths(pkg); 6974 } 6975 6976 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6977 final int[] userIds = sUserManager.getUserIds(); 6978 synchronized (mInstallLock) { 6979 // Make sure all user data directories are ready to roll; we're okay 6980 // if they already exist 6981 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 6982 for (int userId : userIds) { 6983 if (userId != 0) { 6984 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 6985 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 6986 pkg.applicationInfo.seinfo); 6987 } 6988 } 6989 } 6990 6991 // Create a native library symlink only if we have native libraries 6992 // and if the native libraries are 32 bit libraries. We do not provide 6993 // this symlink for 64 bit libraries. 6994 if (pkg.applicationInfo.primaryCpuAbi != null && 6995 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 6996 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 6997 for (int userId : userIds) { 6998 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 6999 nativeLibPath, userId) < 0) { 7000 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7001 "Failed linking native library dir (user=" + userId + ")"); 7002 } 7003 } 7004 } 7005 } 7006 7007 // This is a special case for the "system" package, where the ABI is 7008 // dictated by the zygote configuration (and init.rc). We should keep track 7009 // of this ABI so that we can deal with "normal" applications that run under 7010 // the same UID correctly. 7011 if (mPlatformPackage == pkg) { 7012 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7013 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7014 } 7015 7016 // If there's a mismatch between the abi-override in the package setting 7017 // and the abiOverride specified for the install. Warn about this because we 7018 // would've already compiled the app without taking the package setting into 7019 // account. 7020 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7021 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7022 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7023 " for package: " + pkg.packageName); 7024 } 7025 } 7026 7027 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7028 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7029 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7030 7031 // Copy the derived override back to the parsed package, so that we can 7032 // update the package settings accordingly. 7033 pkg.cpuAbiOverride = cpuAbiOverride; 7034 7035 if (DEBUG_ABI_SELECTION) { 7036 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7037 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7038 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7039 } 7040 7041 // Push the derived path down into PackageSettings so we know what to 7042 // clean up at uninstall time. 7043 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7044 7045 if (DEBUG_ABI_SELECTION) { 7046 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7047 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7048 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7049 } 7050 7051 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7052 // We don't do this here during boot because we can do it all 7053 // at once after scanning all existing packages. 7054 // 7055 // We also do this *before* we perform dexopt on this package, so that 7056 // we can avoid redundant dexopts, and also to make sure we've got the 7057 // code and package path correct. 7058 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7059 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, true /* boot complete */); 7060 } 7061 7062 if ((scanFlags & SCAN_NO_DEX) == 0) { 7063 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7064 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */, 7065 (scanFlags & SCAN_BOOTING) == 0, false /*useJit*/); 7066 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7067 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7068 } 7069 } 7070 if (mFactoryTest && pkg.requestedPermissions.contains( 7071 android.Manifest.permission.FACTORY_TEST)) { 7072 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7073 } 7074 7075 ArrayList<PackageParser.Package> clientLibPkgs = null; 7076 7077 // writer 7078 synchronized (mPackages) { 7079 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7080 // Only system apps can add new shared libraries. 7081 if (pkg.libraryNames != null) { 7082 for (int i=0; i<pkg.libraryNames.size(); i++) { 7083 String name = pkg.libraryNames.get(i); 7084 boolean allowed = false; 7085 if (pkg.isUpdatedSystemApp()) { 7086 // New library entries can only be added through the 7087 // system image. This is important to get rid of a lot 7088 // of nasty edge cases: for example if we allowed a non- 7089 // system update of the app to add a library, then uninstalling 7090 // the update would make the library go away, and assumptions 7091 // we made such as through app install filtering would now 7092 // have allowed apps on the device which aren't compatible 7093 // with it. Better to just have the restriction here, be 7094 // conservative, and create many fewer cases that can negatively 7095 // impact the user experience. 7096 final PackageSetting sysPs = mSettings 7097 .getDisabledSystemPkgLPr(pkg.packageName); 7098 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7099 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7100 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7101 allowed = true; 7102 allowed = true; 7103 break; 7104 } 7105 } 7106 } 7107 } else { 7108 allowed = true; 7109 } 7110 if (allowed) { 7111 if (!mSharedLibraries.containsKey(name)) { 7112 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7113 } else if (!name.equals(pkg.packageName)) { 7114 Slog.w(TAG, "Package " + pkg.packageName + " library " 7115 + name + " already exists; skipping"); 7116 } 7117 } else { 7118 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7119 + name + " that is not declared on system image; skipping"); 7120 } 7121 } 7122 if ((scanFlags&SCAN_BOOTING) == 0) { 7123 // If we are not booting, we need to update any applications 7124 // that are clients of our shared library. If we are booting, 7125 // this will all be done once the scan is complete. 7126 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7127 } 7128 } 7129 } 7130 } 7131 7132 // We also need to dexopt any apps that are dependent on this library. Note that 7133 // if these fail, we should abort the install since installing the library will 7134 // result in some apps being broken. 7135 if (clientLibPkgs != null) { 7136 if ((scanFlags & SCAN_NO_DEX) == 0) { 7137 for (int i = 0; i < clientLibPkgs.size(); i++) { 7138 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7139 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7140 null /* instruction sets */, forceDex, 7141 (scanFlags & SCAN_DEFER_DEX) != 0, false, 7142 (scanFlags & SCAN_BOOTING) == 0, false /*useJit*/); 7143 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7144 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7145 "scanPackageLI failed to dexopt clientLibPkgs"); 7146 } 7147 } 7148 } 7149 } 7150 7151 // Request the ActivityManager to kill the process(only for existing packages) 7152 // so that we do not end up in a confused state while the user is still using the older 7153 // version of the application while the new one gets installed. 7154 if ((scanFlags & SCAN_REPLACING) != 0) { 7155 killApplication(pkg.applicationInfo.packageName, 7156 pkg.applicationInfo.uid, "replace pkg"); 7157 } 7158 7159 // Also need to kill any apps that are dependent on the library. 7160 if (clientLibPkgs != null) { 7161 for (int i=0; i<clientLibPkgs.size(); i++) { 7162 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7163 killApplication(clientPkg.applicationInfo.packageName, 7164 clientPkg.applicationInfo.uid, "update lib"); 7165 } 7166 } 7167 7168 // Make sure we're not adding any bogus keyset info 7169 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7170 ksms.assertScannedPackageValid(pkg); 7171 7172 // writer 7173 synchronized (mPackages) { 7174 // We don't expect installation to fail beyond this point 7175 7176 // Add the new setting to mSettings 7177 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7178 // Add the new setting to mPackages 7179 mPackages.put(pkg.applicationInfo.packageName, pkg); 7180 // Make sure we don't accidentally delete its data. 7181 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7182 while (iter.hasNext()) { 7183 PackageCleanItem item = iter.next(); 7184 if (pkgName.equals(item.packageName)) { 7185 iter.remove(); 7186 } 7187 } 7188 7189 // Take care of first install / last update times. 7190 if (currentTime != 0) { 7191 if (pkgSetting.firstInstallTime == 0) { 7192 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7193 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7194 pkgSetting.lastUpdateTime = currentTime; 7195 } 7196 } else if (pkgSetting.firstInstallTime == 0) { 7197 // We need *something*. Take time time stamp of the file. 7198 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7199 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7200 if (scanFileTime != pkgSetting.timeStamp) { 7201 // A package on the system image has changed; consider this 7202 // to be an update. 7203 pkgSetting.lastUpdateTime = scanFileTime; 7204 } 7205 } 7206 7207 // Add the package's KeySets to the global KeySetManagerService 7208 ksms.addScannedPackageLPw(pkg); 7209 7210 int N = pkg.providers.size(); 7211 StringBuilder r = null; 7212 int i; 7213 for (i=0; i<N; i++) { 7214 PackageParser.Provider p = pkg.providers.get(i); 7215 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7216 p.info.processName, pkg.applicationInfo.uid); 7217 mProviders.addProvider(p); 7218 p.syncable = p.info.isSyncable; 7219 if (p.info.authority != null) { 7220 String names[] = p.info.authority.split(";"); 7221 p.info.authority = null; 7222 for (int j = 0; j < names.length; j++) { 7223 if (j == 1 && p.syncable) { 7224 // We only want the first authority for a provider to possibly be 7225 // syncable, so if we already added this provider using a different 7226 // authority clear the syncable flag. We copy the provider before 7227 // changing it because the mProviders object contains a reference 7228 // to a provider that we don't want to change. 7229 // Only do this for the second authority since the resulting provider 7230 // object can be the same for all future authorities for this provider. 7231 p = new PackageParser.Provider(p); 7232 p.syncable = false; 7233 } 7234 if (!mProvidersByAuthority.containsKey(names[j])) { 7235 mProvidersByAuthority.put(names[j], p); 7236 if (p.info.authority == null) { 7237 p.info.authority = names[j]; 7238 } else { 7239 p.info.authority = p.info.authority + ";" + names[j]; 7240 } 7241 if (DEBUG_PACKAGE_SCANNING) { 7242 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7243 Log.d(TAG, "Registered content provider: " + names[j] 7244 + ", className = " + p.info.name + ", isSyncable = " 7245 + p.info.isSyncable); 7246 } 7247 } else { 7248 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7249 Slog.w(TAG, "Skipping provider name " + names[j] + 7250 " (in package " + pkg.applicationInfo.packageName + 7251 "): name already used by " 7252 + ((other != null && other.getComponentName() != null) 7253 ? other.getComponentName().getPackageName() : "?")); 7254 } 7255 } 7256 } 7257 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7258 if (r == null) { 7259 r = new StringBuilder(256); 7260 } else { 7261 r.append(' '); 7262 } 7263 r.append(p.info.name); 7264 } 7265 } 7266 if (r != null) { 7267 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7268 } 7269 7270 N = pkg.services.size(); 7271 r = null; 7272 for (i=0; i<N; i++) { 7273 PackageParser.Service s = pkg.services.get(i); 7274 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7275 s.info.processName, pkg.applicationInfo.uid); 7276 mServices.addService(s); 7277 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7278 if (r == null) { 7279 r = new StringBuilder(256); 7280 } else { 7281 r.append(' '); 7282 } 7283 r.append(s.info.name); 7284 } 7285 } 7286 if (r != null) { 7287 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7288 } 7289 7290 N = pkg.receivers.size(); 7291 r = null; 7292 for (i=0; i<N; i++) { 7293 PackageParser.Activity a = pkg.receivers.get(i); 7294 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7295 a.info.processName, pkg.applicationInfo.uid); 7296 mReceivers.addActivity(a, "receiver"); 7297 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7298 if (r == null) { 7299 r = new StringBuilder(256); 7300 } else { 7301 r.append(' '); 7302 } 7303 r.append(a.info.name); 7304 } 7305 } 7306 if (r != null) { 7307 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7308 } 7309 7310 N = pkg.activities.size(); 7311 r = null; 7312 for (i=0; i<N; i++) { 7313 PackageParser.Activity a = pkg.activities.get(i); 7314 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7315 a.info.processName, pkg.applicationInfo.uid); 7316 mActivities.addActivity(a, "activity"); 7317 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7318 if (r == null) { 7319 r = new StringBuilder(256); 7320 } else { 7321 r.append(' '); 7322 } 7323 r.append(a.info.name); 7324 } 7325 } 7326 if (r != null) { 7327 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7328 } 7329 7330 N = pkg.permissionGroups.size(); 7331 r = null; 7332 for (i=0; i<N; i++) { 7333 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7334 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7335 if (cur == null) { 7336 mPermissionGroups.put(pg.info.name, pg); 7337 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7338 if (r == null) { 7339 r = new StringBuilder(256); 7340 } else { 7341 r.append(' '); 7342 } 7343 r.append(pg.info.name); 7344 } 7345 } else { 7346 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7347 + pg.info.packageName + " ignored: original from " 7348 + cur.info.packageName); 7349 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7350 if (r == null) { 7351 r = new StringBuilder(256); 7352 } else { 7353 r.append(' '); 7354 } 7355 r.append("DUP:"); 7356 r.append(pg.info.name); 7357 } 7358 } 7359 } 7360 if (r != null) { 7361 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7362 } 7363 7364 N = pkg.permissions.size(); 7365 r = null; 7366 for (i=0; i<N; i++) { 7367 PackageParser.Permission p = pkg.permissions.get(i); 7368 7369 // Assume by default that we did not install this permission into the system. 7370 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7371 7372 // Now that permission groups have a special meaning, we ignore permission 7373 // groups for legacy apps to prevent unexpected behavior. In particular, 7374 // permissions for one app being granted to someone just becuase they happen 7375 // to be in a group defined by another app (before this had no implications). 7376 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7377 p.group = mPermissionGroups.get(p.info.group); 7378 // Warn for a permission in an unknown group. 7379 if (p.info.group != null && p.group == null) { 7380 Slog.w(TAG, "Permission " + p.info.name + " from package " 7381 + p.info.packageName + " in an unknown group " + p.info.group); 7382 } 7383 } 7384 7385 ArrayMap<String, BasePermission> permissionMap = 7386 p.tree ? mSettings.mPermissionTrees 7387 : mSettings.mPermissions; 7388 BasePermission bp = permissionMap.get(p.info.name); 7389 7390 // Allow system apps to redefine non-system permissions 7391 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7392 final boolean currentOwnerIsSystem = (bp.perm != null 7393 && isSystemApp(bp.perm.owner)); 7394 if (isSystemApp(p.owner)) { 7395 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7396 // It's a built-in permission and no owner, take ownership now 7397 bp.packageSetting = pkgSetting; 7398 bp.perm = p; 7399 bp.uid = pkg.applicationInfo.uid; 7400 bp.sourcePackage = p.info.packageName; 7401 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7402 } else if (!currentOwnerIsSystem) { 7403 String msg = "New decl " + p.owner + " of permission " 7404 + p.info.name + " is system; overriding " + bp.sourcePackage; 7405 reportSettingsProblem(Log.WARN, msg); 7406 bp = null; 7407 } 7408 } 7409 } 7410 7411 if (bp == null) { 7412 bp = new BasePermission(p.info.name, p.info.packageName, 7413 BasePermission.TYPE_NORMAL); 7414 permissionMap.put(p.info.name, bp); 7415 } 7416 7417 if (bp.perm == null) { 7418 if (bp.sourcePackage == null 7419 || bp.sourcePackage.equals(p.info.packageName)) { 7420 BasePermission tree = findPermissionTreeLP(p.info.name); 7421 if (tree == null 7422 || tree.sourcePackage.equals(p.info.packageName)) { 7423 bp.packageSetting = pkgSetting; 7424 bp.perm = p; 7425 bp.uid = pkg.applicationInfo.uid; 7426 bp.sourcePackage = p.info.packageName; 7427 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7428 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7429 if (r == null) { 7430 r = new StringBuilder(256); 7431 } else { 7432 r.append(' '); 7433 } 7434 r.append(p.info.name); 7435 } 7436 } else { 7437 Slog.w(TAG, "Permission " + p.info.name + " from package " 7438 + p.info.packageName + " ignored: base tree " 7439 + tree.name + " is from package " 7440 + tree.sourcePackage); 7441 } 7442 } else { 7443 Slog.w(TAG, "Permission " + p.info.name + " from package " 7444 + p.info.packageName + " ignored: original from " 7445 + bp.sourcePackage); 7446 } 7447 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7448 if (r == null) { 7449 r = new StringBuilder(256); 7450 } else { 7451 r.append(' '); 7452 } 7453 r.append("DUP:"); 7454 r.append(p.info.name); 7455 } 7456 if (bp.perm == p) { 7457 bp.protectionLevel = p.info.protectionLevel; 7458 } 7459 } 7460 7461 if (r != null) { 7462 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7463 } 7464 7465 N = pkg.instrumentation.size(); 7466 r = null; 7467 for (i=0; i<N; i++) { 7468 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7469 a.info.packageName = pkg.applicationInfo.packageName; 7470 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7471 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7472 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7473 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7474 a.info.dataDir = pkg.applicationInfo.dataDir; 7475 7476 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7477 // need other information about the application, like the ABI and what not ? 7478 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7479 mInstrumentation.put(a.getComponentName(), a); 7480 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7481 if (r == null) { 7482 r = new StringBuilder(256); 7483 } else { 7484 r.append(' '); 7485 } 7486 r.append(a.info.name); 7487 } 7488 } 7489 if (r != null) { 7490 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7491 } 7492 7493 if (pkg.protectedBroadcasts != null) { 7494 N = pkg.protectedBroadcasts.size(); 7495 for (i=0; i<N; i++) { 7496 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7497 } 7498 } 7499 7500 pkgSetting.setTimeStamp(scanFileTime); 7501 7502 // Create idmap files for pairs of (packages, overlay packages). 7503 // Note: "android", ie framework-res.apk, is handled by native layers. 7504 if (pkg.mOverlayTarget != null) { 7505 // This is an overlay package. 7506 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7507 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7508 mOverlays.put(pkg.mOverlayTarget, 7509 new ArrayMap<String, PackageParser.Package>()); 7510 } 7511 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7512 map.put(pkg.packageName, pkg); 7513 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7514 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7515 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7516 "scanPackageLI failed to createIdmap"); 7517 } 7518 } 7519 } else if (mOverlays.containsKey(pkg.packageName) && 7520 !pkg.packageName.equals("android")) { 7521 // This is a regular package, with one or more known overlay packages. 7522 createIdmapsForPackageLI(pkg); 7523 } 7524 } 7525 7526 return pkg; 7527 } 7528 7529 /** 7530 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7531 * is derived purely on the basis of the contents of {@code scanFile} and 7532 * {@code cpuAbiOverride}. 7533 * 7534 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7535 */ 7536 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7537 String cpuAbiOverride, boolean extractLibs) 7538 throws PackageManagerException { 7539 // TODO: We can probably be smarter about this stuff. For installed apps, 7540 // we can calculate this information at install time once and for all. For 7541 // system apps, we can probably assume that this information doesn't change 7542 // after the first boot scan. As things stand, we do lots of unnecessary work. 7543 7544 // Give ourselves some initial paths; we'll come back for another 7545 // pass once we've determined ABI below. 7546 setNativeLibraryPaths(pkg); 7547 7548 // We would never need to extract libs for forward-locked and external packages, 7549 // since the container service will do it for us. We shouldn't attempt to 7550 // extract libs from system app when it was not updated. 7551 if (pkg.isForwardLocked() || isExternal(pkg) || 7552 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7553 extractLibs = false; 7554 } 7555 7556 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7557 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7558 7559 NativeLibraryHelper.Handle handle = null; 7560 try { 7561 handle = NativeLibraryHelper.Handle.create(scanFile); 7562 // TODO(multiArch): This can be null for apps that didn't go through the 7563 // usual installation process. We can calculate it again, like we 7564 // do during install time. 7565 // 7566 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7567 // unnecessary. 7568 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7569 7570 // Null out the abis so that they can be recalculated. 7571 pkg.applicationInfo.primaryCpuAbi = null; 7572 pkg.applicationInfo.secondaryCpuAbi = null; 7573 if (isMultiArch(pkg.applicationInfo)) { 7574 // Warn if we've set an abiOverride for multi-lib packages.. 7575 // By definition, we need to copy both 32 and 64 bit libraries for 7576 // such packages. 7577 if (pkg.cpuAbiOverride != null 7578 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7579 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7580 } 7581 7582 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7583 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7584 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7585 if (extractLibs) { 7586 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7587 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7588 useIsaSpecificSubdirs); 7589 } else { 7590 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7591 } 7592 } 7593 7594 maybeThrowExceptionForMultiArchCopy( 7595 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7596 7597 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7598 if (extractLibs) { 7599 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7600 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7601 useIsaSpecificSubdirs); 7602 } else { 7603 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7604 } 7605 } 7606 7607 maybeThrowExceptionForMultiArchCopy( 7608 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7609 7610 if (abi64 >= 0) { 7611 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7612 } 7613 7614 if (abi32 >= 0) { 7615 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7616 if (abi64 >= 0) { 7617 pkg.applicationInfo.secondaryCpuAbi = abi; 7618 } else { 7619 pkg.applicationInfo.primaryCpuAbi = abi; 7620 } 7621 } 7622 } else { 7623 String[] abiList = (cpuAbiOverride != null) ? 7624 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7625 7626 // Enable gross and lame hacks for apps that are built with old 7627 // SDK tools. We must scan their APKs for renderscript bitcode and 7628 // not launch them if it's present. Don't bother checking on devices 7629 // that don't have 64 bit support. 7630 boolean needsRenderScriptOverride = false; 7631 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7632 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7633 abiList = Build.SUPPORTED_32_BIT_ABIS; 7634 needsRenderScriptOverride = true; 7635 } 7636 7637 final int copyRet; 7638 if (extractLibs) { 7639 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7640 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7641 } else { 7642 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7643 } 7644 7645 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7646 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7647 "Error unpackaging native libs for app, errorCode=" + copyRet); 7648 } 7649 7650 if (copyRet >= 0) { 7651 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7652 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7653 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7654 } else if (needsRenderScriptOverride) { 7655 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7656 } 7657 } 7658 } catch (IOException ioe) { 7659 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7660 } finally { 7661 IoUtils.closeQuietly(handle); 7662 } 7663 7664 // Now that we've calculated the ABIs and determined if it's an internal app, 7665 // we will go ahead and populate the nativeLibraryPath. 7666 setNativeLibraryPaths(pkg); 7667 } 7668 7669 /** 7670 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7671 * i.e, so that all packages can be run inside a single process if required. 7672 * 7673 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7674 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7675 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7676 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7677 * updating a package that belongs to a shared user. 7678 * 7679 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7680 * adds unnecessary complexity. 7681 */ 7682 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7683 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt, 7684 boolean bootComplete) { 7685 String requiredInstructionSet = null; 7686 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7687 requiredInstructionSet = VMRuntime.getInstructionSet( 7688 scannedPackage.applicationInfo.primaryCpuAbi); 7689 } 7690 7691 PackageSetting requirer = null; 7692 for (PackageSetting ps : packagesForUser) { 7693 // If packagesForUser contains scannedPackage, we skip it. This will happen 7694 // when scannedPackage is an update of an existing package. Without this check, 7695 // we will never be able to change the ABI of any package belonging to a shared 7696 // user, even if it's compatible with other packages. 7697 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7698 if (ps.primaryCpuAbiString == null) { 7699 continue; 7700 } 7701 7702 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7703 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7704 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7705 // this but there's not much we can do. 7706 String errorMessage = "Instruction set mismatch, " 7707 + ((requirer == null) ? "[caller]" : requirer) 7708 + " requires " + requiredInstructionSet + " whereas " + ps 7709 + " requires " + instructionSet; 7710 Slog.w(TAG, errorMessage); 7711 } 7712 7713 if (requiredInstructionSet == null) { 7714 requiredInstructionSet = instructionSet; 7715 requirer = ps; 7716 } 7717 } 7718 } 7719 7720 if (requiredInstructionSet != null) { 7721 String adjustedAbi; 7722 if (requirer != null) { 7723 // requirer != null implies that either scannedPackage was null or that scannedPackage 7724 // did not require an ABI, in which case we have to adjust scannedPackage to match 7725 // the ABI of the set (which is the same as requirer's ABI) 7726 adjustedAbi = requirer.primaryCpuAbiString; 7727 if (scannedPackage != null) { 7728 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7729 } 7730 } else { 7731 // requirer == null implies that we're updating all ABIs in the set to 7732 // match scannedPackage. 7733 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7734 } 7735 7736 for (PackageSetting ps : packagesForUser) { 7737 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7738 if (ps.primaryCpuAbiString != null) { 7739 continue; 7740 } 7741 7742 ps.primaryCpuAbiString = adjustedAbi; 7743 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7744 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7745 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7746 7747 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7748 null /* instruction sets */, forceDexOpt, deferDexOpt, true, 7749 bootComplete, false /*useJit*/); 7750 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7751 ps.primaryCpuAbiString = null; 7752 ps.pkg.applicationInfo.primaryCpuAbi = null; 7753 return; 7754 } else { 7755 mInstaller.rmdex(ps.codePathString, 7756 getDexCodeInstructionSet(getPreferredInstructionSet())); 7757 } 7758 } 7759 } 7760 } 7761 } 7762 } 7763 7764 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7765 synchronized (mPackages) { 7766 mResolverReplaced = true; 7767 // Set up information for custom user intent resolution activity. 7768 mResolveActivity.applicationInfo = pkg.applicationInfo; 7769 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7770 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7771 mResolveActivity.processName = pkg.applicationInfo.packageName; 7772 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7773 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7774 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7775 mResolveActivity.theme = 0; 7776 mResolveActivity.exported = true; 7777 mResolveActivity.enabled = true; 7778 mResolveInfo.activityInfo = mResolveActivity; 7779 mResolveInfo.priority = 0; 7780 mResolveInfo.preferredOrder = 0; 7781 mResolveInfo.match = 0; 7782 mResolveComponentName = mCustomResolverComponentName; 7783 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7784 mResolveComponentName); 7785 } 7786 } 7787 7788 private static String calculateBundledApkRoot(final String codePathString) { 7789 final File codePath = new File(codePathString); 7790 final File codeRoot; 7791 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7792 codeRoot = Environment.getRootDirectory(); 7793 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7794 codeRoot = Environment.getOemDirectory(); 7795 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7796 codeRoot = Environment.getVendorDirectory(); 7797 } else { 7798 // Unrecognized code path; take its top real segment as the apk root: 7799 // e.g. /something/app/blah.apk => /something 7800 try { 7801 File f = codePath.getCanonicalFile(); 7802 File parent = f.getParentFile(); // non-null because codePath is a file 7803 File tmp; 7804 while ((tmp = parent.getParentFile()) != null) { 7805 f = parent; 7806 parent = tmp; 7807 } 7808 codeRoot = f; 7809 Slog.w(TAG, "Unrecognized code path " 7810 + codePath + " - using " + codeRoot); 7811 } catch (IOException e) { 7812 // Can't canonicalize the code path -- shenanigans? 7813 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7814 return Environment.getRootDirectory().getPath(); 7815 } 7816 } 7817 return codeRoot.getPath(); 7818 } 7819 7820 /** 7821 * Derive and set the location of native libraries for the given package, 7822 * which varies depending on where and how the package was installed. 7823 */ 7824 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7825 final ApplicationInfo info = pkg.applicationInfo; 7826 final String codePath = pkg.codePath; 7827 final File codeFile = new File(codePath); 7828 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7829 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7830 7831 info.nativeLibraryRootDir = null; 7832 info.nativeLibraryRootRequiresIsa = false; 7833 info.nativeLibraryDir = null; 7834 info.secondaryNativeLibraryDir = null; 7835 7836 if (isApkFile(codeFile)) { 7837 // Monolithic install 7838 if (bundledApp) { 7839 // If "/system/lib64/apkname" exists, assume that is the per-package 7840 // native library directory to use; otherwise use "/system/lib/apkname". 7841 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7842 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7843 getPrimaryInstructionSet(info)); 7844 7845 // This is a bundled system app so choose the path based on the ABI. 7846 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7847 // is just the default path. 7848 final String apkName = deriveCodePathName(codePath); 7849 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7850 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7851 apkName).getAbsolutePath(); 7852 7853 if (info.secondaryCpuAbi != null) { 7854 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7855 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7856 secondaryLibDir, apkName).getAbsolutePath(); 7857 } 7858 } else if (asecApp) { 7859 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7860 .getAbsolutePath(); 7861 } else { 7862 final String apkName = deriveCodePathName(codePath); 7863 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7864 .getAbsolutePath(); 7865 } 7866 7867 info.nativeLibraryRootRequiresIsa = false; 7868 info.nativeLibraryDir = info.nativeLibraryRootDir; 7869 } else { 7870 // Cluster install 7871 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7872 info.nativeLibraryRootRequiresIsa = true; 7873 7874 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7875 getPrimaryInstructionSet(info)).getAbsolutePath(); 7876 7877 if (info.secondaryCpuAbi != null) { 7878 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7879 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7880 } 7881 } 7882 } 7883 7884 /** 7885 * Calculate the abis and roots for a bundled app. These can uniquely 7886 * be determined from the contents of the system partition, i.e whether 7887 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7888 * of this information, and instead assume that the system was built 7889 * sensibly. 7890 */ 7891 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7892 PackageSetting pkgSetting) { 7893 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7894 7895 // If "/system/lib64/apkname" exists, assume that is the per-package 7896 // native library directory to use; otherwise use "/system/lib/apkname". 7897 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7898 setBundledAppAbi(pkg, apkRoot, apkName); 7899 // pkgSetting might be null during rescan following uninstall of updates 7900 // to a bundled app, so accommodate that possibility. The settings in 7901 // that case will be established later from the parsed package. 7902 // 7903 // If the settings aren't null, sync them up with what we've just derived. 7904 // note that apkRoot isn't stored in the package settings. 7905 if (pkgSetting != null) { 7906 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7907 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7908 } 7909 } 7910 7911 /** 7912 * Deduces the ABI of a bundled app and sets the relevant fields on the 7913 * parsed pkg object. 7914 * 7915 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7916 * under which system libraries are installed. 7917 * @param apkName the name of the installed package. 7918 */ 7919 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7920 final File codeFile = new File(pkg.codePath); 7921 7922 final boolean has64BitLibs; 7923 final boolean has32BitLibs; 7924 if (isApkFile(codeFile)) { 7925 // Monolithic install 7926 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7927 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7928 } else { 7929 // Cluster install 7930 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7931 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7932 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7933 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7934 has64BitLibs = (new File(rootDir, isa)).exists(); 7935 } else { 7936 has64BitLibs = false; 7937 } 7938 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7939 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7940 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7941 has32BitLibs = (new File(rootDir, isa)).exists(); 7942 } else { 7943 has32BitLibs = false; 7944 } 7945 } 7946 7947 if (has64BitLibs && !has32BitLibs) { 7948 // The package has 64 bit libs, but not 32 bit libs. Its primary 7949 // ABI should be 64 bit. We can safely assume here that the bundled 7950 // native libraries correspond to the most preferred ABI in the list. 7951 7952 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7953 pkg.applicationInfo.secondaryCpuAbi = null; 7954 } else if (has32BitLibs && !has64BitLibs) { 7955 // The package has 32 bit libs but not 64 bit libs. Its primary 7956 // ABI should be 32 bit. 7957 7958 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7959 pkg.applicationInfo.secondaryCpuAbi = null; 7960 } else if (has32BitLibs && has64BitLibs) { 7961 // The application has both 64 and 32 bit bundled libraries. We check 7962 // here that the app declares multiArch support, and warn if it doesn't. 7963 // 7964 // We will be lenient here and record both ABIs. The primary will be the 7965 // ABI that's higher on the list, i.e, a device that's configured to prefer 7966 // 64 bit apps will see a 64 bit primary ABI, 7967 7968 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7969 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7970 } 7971 7972 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7973 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7974 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7975 } else { 7976 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7977 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7978 } 7979 } else { 7980 pkg.applicationInfo.primaryCpuAbi = null; 7981 pkg.applicationInfo.secondaryCpuAbi = null; 7982 } 7983 } 7984 7985 private void killApplication(String pkgName, int appId, String reason) { 7986 // Request the ActivityManager to kill the process(only for existing packages) 7987 // so that we do not end up in a confused state while the user is still using the older 7988 // version of the application while the new one gets installed. 7989 IActivityManager am = ActivityManagerNative.getDefault(); 7990 if (am != null) { 7991 try { 7992 am.killApplicationWithAppId(pkgName, appId, reason); 7993 } catch (RemoteException e) { 7994 } 7995 } 7996 } 7997 7998 void removePackageLI(PackageSetting ps, boolean chatty) { 7999 if (DEBUG_INSTALL) { 8000 if (chatty) 8001 Log.d(TAG, "Removing package " + ps.name); 8002 } 8003 8004 // writer 8005 synchronized (mPackages) { 8006 mPackages.remove(ps.name); 8007 final PackageParser.Package pkg = ps.pkg; 8008 if (pkg != null) { 8009 cleanPackageDataStructuresLILPw(pkg, chatty); 8010 } 8011 } 8012 } 8013 8014 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8015 if (DEBUG_INSTALL) { 8016 if (chatty) 8017 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8018 } 8019 8020 // writer 8021 synchronized (mPackages) { 8022 mPackages.remove(pkg.applicationInfo.packageName); 8023 cleanPackageDataStructuresLILPw(pkg, chatty); 8024 } 8025 } 8026 8027 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8028 int N = pkg.providers.size(); 8029 StringBuilder r = null; 8030 int i; 8031 for (i=0; i<N; i++) { 8032 PackageParser.Provider p = pkg.providers.get(i); 8033 mProviders.removeProvider(p); 8034 if (p.info.authority == null) { 8035 8036 /* There was another ContentProvider with this authority when 8037 * this app was installed so this authority is null, 8038 * Ignore it as we don't have to unregister the provider. 8039 */ 8040 continue; 8041 } 8042 String names[] = p.info.authority.split(";"); 8043 for (int j = 0; j < names.length; j++) { 8044 if (mProvidersByAuthority.get(names[j]) == p) { 8045 mProvidersByAuthority.remove(names[j]); 8046 if (DEBUG_REMOVE) { 8047 if (chatty) 8048 Log.d(TAG, "Unregistered content provider: " + names[j] 8049 + ", className = " + p.info.name + ", isSyncable = " 8050 + p.info.isSyncable); 8051 } 8052 } 8053 } 8054 if (DEBUG_REMOVE && chatty) { 8055 if (r == null) { 8056 r = new StringBuilder(256); 8057 } else { 8058 r.append(' '); 8059 } 8060 r.append(p.info.name); 8061 } 8062 } 8063 if (r != null) { 8064 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8065 } 8066 8067 N = pkg.services.size(); 8068 r = null; 8069 for (i=0; i<N; i++) { 8070 PackageParser.Service s = pkg.services.get(i); 8071 mServices.removeService(s); 8072 if (chatty) { 8073 if (r == null) { 8074 r = new StringBuilder(256); 8075 } else { 8076 r.append(' '); 8077 } 8078 r.append(s.info.name); 8079 } 8080 } 8081 if (r != null) { 8082 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8083 } 8084 8085 N = pkg.receivers.size(); 8086 r = null; 8087 for (i=0; i<N; i++) { 8088 PackageParser.Activity a = pkg.receivers.get(i); 8089 mReceivers.removeActivity(a, "receiver"); 8090 if (DEBUG_REMOVE && chatty) { 8091 if (r == null) { 8092 r = new StringBuilder(256); 8093 } else { 8094 r.append(' '); 8095 } 8096 r.append(a.info.name); 8097 } 8098 } 8099 if (r != null) { 8100 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8101 } 8102 8103 N = pkg.activities.size(); 8104 r = null; 8105 for (i=0; i<N; i++) { 8106 PackageParser.Activity a = pkg.activities.get(i); 8107 mActivities.removeActivity(a, "activity"); 8108 if (DEBUG_REMOVE && chatty) { 8109 if (r == null) { 8110 r = new StringBuilder(256); 8111 } else { 8112 r.append(' '); 8113 } 8114 r.append(a.info.name); 8115 } 8116 } 8117 if (r != null) { 8118 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8119 } 8120 8121 N = pkg.permissions.size(); 8122 r = null; 8123 for (i=0; i<N; i++) { 8124 PackageParser.Permission p = pkg.permissions.get(i); 8125 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8126 if (bp == null) { 8127 bp = mSettings.mPermissionTrees.get(p.info.name); 8128 } 8129 if (bp != null && bp.perm == p) { 8130 bp.perm = null; 8131 if (DEBUG_REMOVE && chatty) { 8132 if (r == null) { 8133 r = new StringBuilder(256); 8134 } else { 8135 r.append(' '); 8136 } 8137 r.append(p.info.name); 8138 } 8139 } 8140 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8141 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8142 if (appOpPkgs != null) { 8143 appOpPkgs.remove(pkg.packageName); 8144 } 8145 } 8146 } 8147 if (r != null) { 8148 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8149 } 8150 8151 N = pkg.requestedPermissions.size(); 8152 r = null; 8153 for (i=0; i<N; i++) { 8154 String perm = pkg.requestedPermissions.get(i); 8155 BasePermission bp = mSettings.mPermissions.get(perm); 8156 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8157 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8158 if (appOpPkgs != null) { 8159 appOpPkgs.remove(pkg.packageName); 8160 if (appOpPkgs.isEmpty()) { 8161 mAppOpPermissionPackages.remove(perm); 8162 } 8163 } 8164 } 8165 } 8166 if (r != null) { 8167 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8168 } 8169 8170 N = pkg.instrumentation.size(); 8171 r = null; 8172 for (i=0; i<N; i++) { 8173 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8174 mInstrumentation.remove(a.getComponentName()); 8175 if (DEBUG_REMOVE && chatty) { 8176 if (r == null) { 8177 r = new StringBuilder(256); 8178 } else { 8179 r.append(' '); 8180 } 8181 r.append(a.info.name); 8182 } 8183 } 8184 if (r != null) { 8185 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8186 } 8187 8188 r = null; 8189 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8190 // Only system apps can hold shared libraries. 8191 if (pkg.libraryNames != null) { 8192 for (i=0; i<pkg.libraryNames.size(); i++) { 8193 String name = pkg.libraryNames.get(i); 8194 SharedLibraryEntry cur = mSharedLibraries.get(name); 8195 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8196 mSharedLibraries.remove(name); 8197 if (DEBUG_REMOVE && chatty) { 8198 if (r == null) { 8199 r = new StringBuilder(256); 8200 } else { 8201 r.append(' '); 8202 } 8203 r.append(name); 8204 } 8205 } 8206 } 8207 } 8208 } 8209 if (r != null) { 8210 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8211 } 8212 } 8213 8214 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8215 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8216 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8217 return true; 8218 } 8219 } 8220 return false; 8221 } 8222 8223 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8224 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8225 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8226 8227 private void updatePermissionsLPw(String changingPkg, 8228 PackageParser.Package pkgInfo, int flags) { 8229 // Make sure there are no dangling permission trees. 8230 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8231 while (it.hasNext()) { 8232 final BasePermission bp = it.next(); 8233 if (bp.packageSetting == null) { 8234 // We may not yet have parsed the package, so just see if 8235 // we still know about its settings. 8236 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8237 } 8238 if (bp.packageSetting == null) { 8239 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8240 + " from package " + bp.sourcePackage); 8241 it.remove(); 8242 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8243 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8244 Slog.i(TAG, "Removing old permission tree: " + bp.name 8245 + " from package " + bp.sourcePackage); 8246 flags |= UPDATE_PERMISSIONS_ALL; 8247 it.remove(); 8248 } 8249 } 8250 } 8251 8252 // Make sure all dynamic permissions have been assigned to a package, 8253 // and make sure there are no dangling permissions. 8254 it = mSettings.mPermissions.values().iterator(); 8255 while (it.hasNext()) { 8256 final BasePermission bp = it.next(); 8257 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8258 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8259 + bp.name + " pkg=" + bp.sourcePackage 8260 + " info=" + bp.pendingInfo); 8261 if (bp.packageSetting == null && bp.pendingInfo != null) { 8262 final BasePermission tree = findPermissionTreeLP(bp.name); 8263 if (tree != null && tree.perm != null) { 8264 bp.packageSetting = tree.packageSetting; 8265 bp.perm = new PackageParser.Permission(tree.perm.owner, 8266 new PermissionInfo(bp.pendingInfo)); 8267 bp.perm.info.packageName = tree.perm.info.packageName; 8268 bp.perm.info.name = bp.name; 8269 bp.uid = tree.uid; 8270 } 8271 } 8272 } 8273 if (bp.packageSetting == null) { 8274 // We may not yet have parsed the package, so just see if 8275 // we still know about its settings. 8276 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8277 } 8278 if (bp.packageSetting == null) { 8279 Slog.w(TAG, "Removing dangling permission: " + bp.name 8280 + " from package " + bp.sourcePackage); 8281 it.remove(); 8282 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8283 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8284 Slog.i(TAG, "Removing old permission: " + bp.name 8285 + " from package " + bp.sourcePackage); 8286 flags |= UPDATE_PERMISSIONS_ALL; 8287 it.remove(); 8288 } 8289 } 8290 } 8291 8292 // Now update the permissions for all packages, in particular 8293 // replace the granted permissions of the system packages. 8294 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8295 for (PackageParser.Package pkg : mPackages.values()) { 8296 if (pkg != pkgInfo) { 8297 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8298 changingPkg); 8299 } 8300 } 8301 } 8302 8303 if (pkgInfo != null) { 8304 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8305 } 8306 } 8307 8308 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8309 String packageOfInterest) { 8310 // IMPORTANT: There are two types of permissions: install and runtime. 8311 // Install time permissions are granted when the app is installed to 8312 // all device users and users added in the future. Runtime permissions 8313 // are granted at runtime explicitly to specific users. Normal and signature 8314 // protected permissions are install time permissions. Dangerous permissions 8315 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8316 // otherwise they are runtime permissions. This function does not manage 8317 // runtime permissions except for the case an app targeting Lollipop MR1 8318 // being upgraded to target a newer SDK, in which case dangerous permissions 8319 // are transformed from install time to runtime ones. 8320 8321 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8322 if (ps == null) { 8323 return; 8324 } 8325 8326 PermissionsState permissionsState = ps.getPermissionsState(); 8327 PermissionsState origPermissions = permissionsState; 8328 8329 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8330 8331 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8332 8333 boolean changedInstallPermission = false; 8334 8335 if (replace) { 8336 ps.installPermissionsFixed = false; 8337 if (!ps.isSharedUser()) { 8338 origPermissions = new PermissionsState(permissionsState); 8339 permissionsState.reset(); 8340 } 8341 } 8342 8343 permissionsState.setGlobalGids(mGlobalGids); 8344 8345 final int N = pkg.requestedPermissions.size(); 8346 for (int i=0; i<N; i++) { 8347 final String name = pkg.requestedPermissions.get(i); 8348 final BasePermission bp = mSettings.mPermissions.get(name); 8349 8350 if (DEBUG_INSTALL) { 8351 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8352 } 8353 8354 if (bp == null || bp.packageSetting == null) { 8355 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8356 Slog.w(TAG, "Unknown permission " + name 8357 + " in package " + pkg.packageName); 8358 } 8359 continue; 8360 } 8361 8362 final String perm = bp.name; 8363 boolean allowedSig = false; 8364 int grant = GRANT_DENIED; 8365 8366 // Keep track of app op permissions. 8367 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8368 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8369 if (pkgs == null) { 8370 pkgs = new ArraySet<>(); 8371 mAppOpPermissionPackages.put(bp.name, pkgs); 8372 } 8373 pkgs.add(pkg.packageName); 8374 } 8375 8376 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8377 switch (level) { 8378 case PermissionInfo.PROTECTION_NORMAL: { 8379 // For all apps normal permissions are install time ones. 8380 grant = GRANT_INSTALL; 8381 } break; 8382 8383 case PermissionInfo.PROTECTION_DANGEROUS: { 8384 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8385 // For legacy apps dangerous permissions are install time ones. 8386 grant = GRANT_INSTALL_LEGACY; 8387 } else if (origPermissions.hasInstallPermission(bp.name)) { 8388 // For legacy apps that became modern, install becomes runtime. 8389 grant = GRANT_UPGRADE; 8390 } else if (mPromoteSystemApps 8391 && isSystemApp(ps) 8392 && mExistingSystemPackages.contains(ps.name)) { 8393 // For legacy system apps, install becomes runtime. 8394 // We cannot check hasInstallPermission() for system apps since those 8395 // permissions were granted implicitly and not persisted pre-M. 8396 grant = GRANT_UPGRADE; 8397 } else { 8398 // For modern apps keep runtime permissions unchanged. 8399 grant = GRANT_RUNTIME; 8400 } 8401 } break; 8402 8403 case PermissionInfo.PROTECTION_SIGNATURE: { 8404 // For all apps signature permissions are install time ones. 8405 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8406 if (allowedSig) { 8407 grant = GRANT_INSTALL; 8408 } 8409 } break; 8410 } 8411 8412 if (DEBUG_INSTALL) { 8413 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8414 } 8415 8416 if (grant != GRANT_DENIED) { 8417 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8418 // If this is an existing, non-system package, then 8419 // we can't add any new permissions to it. 8420 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8421 // Except... if this is a permission that was added 8422 // to the platform (note: need to only do this when 8423 // updating the platform). 8424 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8425 grant = GRANT_DENIED; 8426 } 8427 } 8428 } 8429 8430 switch (grant) { 8431 case GRANT_INSTALL: { 8432 // Revoke this as runtime permission to handle the case of 8433 // a runtime permission being downgraded to an install one. 8434 for (int userId : UserManagerService.getInstance().getUserIds()) { 8435 if (origPermissions.getRuntimePermissionState( 8436 bp.name, userId) != null) { 8437 // Revoke the runtime permission and clear the flags. 8438 origPermissions.revokeRuntimePermission(bp, userId); 8439 origPermissions.updatePermissionFlags(bp, userId, 8440 PackageManager.MASK_PERMISSION_FLAGS, 0); 8441 // If we revoked a permission permission, we have to write. 8442 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8443 changedRuntimePermissionUserIds, userId); 8444 } 8445 } 8446 // Grant an install permission. 8447 if (permissionsState.grantInstallPermission(bp) != 8448 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8449 changedInstallPermission = true; 8450 } 8451 } break; 8452 8453 case GRANT_INSTALL_LEGACY: { 8454 // Grant an install permission. 8455 if (permissionsState.grantInstallPermission(bp) != 8456 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8457 changedInstallPermission = true; 8458 } 8459 } break; 8460 8461 case GRANT_RUNTIME: { 8462 // Grant previously granted runtime permissions. 8463 for (int userId : UserManagerService.getInstance().getUserIds()) { 8464 PermissionState permissionState = origPermissions 8465 .getRuntimePermissionState(bp.name, userId); 8466 final int flags = permissionState != null 8467 ? permissionState.getFlags() : 0; 8468 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8469 if (permissionsState.grantRuntimePermission(bp, userId) == 8470 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8471 // If we cannot put the permission as it was, we have to write. 8472 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8473 changedRuntimePermissionUserIds, userId); 8474 } 8475 } 8476 // Propagate the permission flags. 8477 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8478 } 8479 } break; 8480 8481 case GRANT_UPGRADE: { 8482 // Grant runtime permissions for a previously held install permission. 8483 PermissionState permissionState = origPermissions 8484 .getInstallPermissionState(bp.name); 8485 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8486 8487 if (origPermissions.revokeInstallPermission(bp) 8488 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8489 // We will be transferring the permission flags, so clear them. 8490 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8491 PackageManager.MASK_PERMISSION_FLAGS, 0); 8492 changedInstallPermission = true; 8493 } 8494 8495 // If the permission is not to be promoted to runtime we ignore it and 8496 // also its other flags as they are not applicable to install permissions. 8497 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8498 for (int userId : currentUserIds) { 8499 if (permissionsState.grantRuntimePermission(bp, userId) != 8500 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8501 // Transfer the permission flags. 8502 permissionsState.updatePermissionFlags(bp, userId, 8503 flags, flags); 8504 // If we granted the permission, we have to write. 8505 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8506 changedRuntimePermissionUserIds, userId); 8507 } 8508 } 8509 } 8510 } break; 8511 8512 default: { 8513 if (packageOfInterest == null 8514 || packageOfInterest.equals(pkg.packageName)) { 8515 Slog.w(TAG, "Not granting permission " + perm 8516 + " to package " + pkg.packageName 8517 + " because it was previously installed without"); 8518 } 8519 } break; 8520 } 8521 } else { 8522 if (permissionsState.revokeInstallPermission(bp) != 8523 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8524 // Also drop the permission flags. 8525 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8526 PackageManager.MASK_PERMISSION_FLAGS, 0); 8527 changedInstallPermission = true; 8528 Slog.i(TAG, "Un-granting permission " + perm 8529 + " from package " + pkg.packageName 8530 + " (protectionLevel=" + bp.protectionLevel 8531 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8532 + ")"); 8533 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8534 // Don't print warning for app op permissions, since it is fine for them 8535 // not to be granted, there is a UI for the user to decide. 8536 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8537 Slog.w(TAG, "Not granting permission " + perm 8538 + " to package " + pkg.packageName 8539 + " (protectionLevel=" + bp.protectionLevel 8540 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8541 + ")"); 8542 } 8543 } 8544 } 8545 } 8546 8547 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8548 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8549 // This is the first that we have heard about this package, so the 8550 // permissions we have now selected are fixed until explicitly 8551 // changed. 8552 ps.installPermissionsFixed = true; 8553 } 8554 8555 // Persist the runtime permissions state for users with changes. 8556 for (int userId : changedRuntimePermissionUserIds) { 8557 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8558 } 8559 } 8560 8561 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8562 boolean allowed = false; 8563 final int NP = PackageParser.NEW_PERMISSIONS.length; 8564 for (int ip=0; ip<NP; ip++) { 8565 final PackageParser.NewPermissionInfo npi 8566 = PackageParser.NEW_PERMISSIONS[ip]; 8567 if (npi.name.equals(perm) 8568 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8569 allowed = true; 8570 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8571 + pkg.packageName); 8572 break; 8573 } 8574 } 8575 return allowed; 8576 } 8577 8578 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8579 BasePermission bp, PermissionsState origPermissions) { 8580 boolean allowed; 8581 allowed = (compareSignatures( 8582 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8583 == PackageManager.SIGNATURE_MATCH) 8584 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8585 == PackageManager.SIGNATURE_MATCH); 8586 if (!allowed && (bp.protectionLevel 8587 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8588 if (isSystemApp(pkg)) { 8589 // For updated system applications, a system permission 8590 // is granted only if it had been defined by the original application. 8591 if (pkg.isUpdatedSystemApp()) { 8592 final PackageSetting sysPs = mSettings 8593 .getDisabledSystemPkgLPr(pkg.packageName); 8594 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8595 // If the original was granted this permission, we take 8596 // that grant decision as read and propagate it to the 8597 // update. 8598 if (sysPs.isPrivileged()) { 8599 allowed = true; 8600 } 8601 } else { 8602 // The system apk may have been updated with an older 8603 // version of the one on the data partition, but which 8604 // granted a new system permission that it didn't have 8605 // before. In this case we do want to allow the app to 8606 // now get the new permission if the ancestral apk is 8607 // privileged to get it. 8608 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8609 for (int j=0; 8610 j<sysPs.pkg.requestedPermissions.size(); j++) { 8611 if (perm.equals( 8612 sysPs.pkg.requestedPermissions.get(j))) { 8613 allowed = true; 8614 break; 8615 } 8616 } 8617 } 8618 } 8619 } else { 8620 allowed = isPrivilegedApp(pkg); 8621 } 8622 } 8623 } 8624 if (!allowed) { 8625 if (!allowed && (bp.protectionLevel 8626 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8627 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8628 // If this was a previously normal/dangerous permission that got moved 8629 // to a system permission as part of the runtime permission redesign, then 8630 // we still want to blindly grant it to old apps. 8631 allowed = true; 8632 } 8633 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8634 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8635 // If this permission is to be granted to the system installer and 8636 // this app is an installer, then it gets the permission. 8637 allowed = true; 8638 } 8639 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8640 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8641 // If this permission is to be granted to the system verifier and 8642 // this app is a verifier, then it gets the permission. 8643 allowed = true; 8644 } 8645 if (!allowed && (bp.protectionLevel 8646 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8647 && isSystemApp(pkg)) { 8648 // Any pre-installed system app is allowed to get this permission. 8649 allowed = true; 8650 } 8651 if (!allowed && (bp.protectionLevel 8652 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8653 // For development permissions, a development permission 8654 // is granted only if it was already granted. 8655 allowed = origPermissions.hasInstallPermission(perm); 8656 } 8657 } 8658 return allowed; 8659 } 8660 8661 final class ActivityIntentResolver 8662 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8663 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8664 boolean defaultOnly, int userId) { 8665 if (!sUserManager.exists(userId)) return null; 8666 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8667 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8668 } 8669 8670 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8671 int userId) { 8672 if (!sUserManager.exists(userId)) return null; 8673 mFlags = flags; 8674 return super.queryIntent(intent, resolvedType, 8675 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8676 } 8677 8678 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8679 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8680 if (!sUserManager.exists(userId)) return null; 8681 if (packageActivities == null) { 8682 return null; 8683 } 8684 mFlags = flags; 8685 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8686 final int N = packageActivities.size(); 8687 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8688 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8689 8690 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8691 for (int i = 0; i < N; ++i) { 8692 intentFilters = packageActivities.get(i).intents; 8693 if (intentFilters != null && intentFilters.size() > 0) { 8694 PackageParser.ActivityIntentInfo[] array = 8695 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8696 intentFilters.toArray(array); 8697 listCut.add(array); 8698 } 8699 } 8700 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8701 } 8702 8703 public final void addActivity(PackageParser.Activity a, String type) { 8704 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8705 mActivities.put(a.getComponentName(), a); 8706 if (DEBUG_SHOW_INFO) 8707 Log.v( 8708 TAG, " " + type + " " + 8709 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8710 if (DEBUG_SHOW_INFO) 8711 Log.v(TAG, " Class=" + a.info.name); 8712 final int NI = a.intents.size(); 8713 for (int j=0; j<NI; j++) { 8714 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8715 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8716 intent.setPriority(0); 8717 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8718 + a.className + " with priority > 0, forcing to 0"); 8719 } 8720 if (DEBUG_SHOW_INFO) { 8721 Log.v(TAG, " IntentFilter:"); 8722 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8723 } 8724 if (!intent.debugCheck()) { 8725 Log.w(TAG, "==> For Activity " + a.info.name); 8726 } 8727 addFilter(intent); 8728 } 8729 } 8730 8731 public final void removeActivity(PackageParser.Activity a, String type) { 8732 mActivities.remove(a.getComponentName()); 8733 if (DEBUG_SHOW_INFO) { 8734 Log.v(TAG, " " + type + " " 8735 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8736 : a.info.name) + ":"); 8737 Log.v(TAG, " Class=" + a.info.name); 8738 } 8739 final int NI = a.intents.size(); 8740 for (int j=0; j<NI; j++) { 8741 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8742 if (DEBUG_SHOW_INFO) { 8743 Log.v(TAG, " IntentFilter:"); 8744 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8745 } 8746 removeFilter(intent); 8747 } 8748 } 8749 8750 @Override 8751 protected boolean allowFilterResult( 8752 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8753 ActivityInfo filterAi = filter.activity.info; 8754 for (int i=dest.size()-1; i>=0; i--) { 8755 ActivityInfo destAi = dest.get(i).activityInfo; 8756 if (destAi.name == filterAi.name 8757 && destAi.packageName == filterAi.packageName) { 8758 return false; 8759 } 8760 } 8761 return true; 8762 } 8763 8764 @Override 8765 protected ActivityIntentInfo[] newArray(int size) { 8766 return new ActivityIntentInfo[size]; 8767 } 8768 8769 @Override 8770 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8771 if (!sUserManager.exists(userId)) return true; 8772 PackageParser.Package p = filter.activity.owner; 8773 if (p != null) { 8774 PackageSetting ps = (PackageSetting)p.mExtras; 8775 if (ps != null) { 8776 // System apps are never considered stopped for purposes of 8777 // filtering, because there may be no way for the user to 8778 // actually re-launch them. 8779 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8780 && ps.getStopped(userId); 8781 } 8782 } 8783 return false; 8784 } 8785 8786 @Override 8787 protected boolean isPackageForFilter(String packageName, 8788 PackageParser.ActivityIntentInfo info) { 8789 return packageName.equals(info.activity.owner.packageName); 8790 } 8791 8792 @Override 8793 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8794 int match, int userId) { 8795 if (!sUserManager.exists(userId)) return null; 8796 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8797 return null; 8798 } 8799 final PackageParser.Activity activity = info.activity; 8800 if (mSafeMode && (activity.info.applicationInfo.flags 8801 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8802 return null; 8803 } 8804 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8805 if (ps == null) { 8806 return null; 8807 } 8808 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8809 ps.readUserState(userId), userId); 8810 if (ai == null) { 8811 return null; 8812 } 8813 final ResolveInfo res = new ResolveInfo(); 8814 res.activityInfo = ai; 8815 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8816 res.filter = info; 8817 } 8818 if (info != null) { 8819 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8820 } 8821 res.priority = info.getPriority(); 8822 res.preferredOrder = activity.owner.mPreferredOrder; 8823 //System.out.println("Result: " + res.activityInfo.className + 8824 // " = " + res.priority); 8825 res.match = match; 8826 res.isDefault = info.hasDefault; 8827 res.labelRes = info.labelRes; 8828 res.nonLocalizedLabel = info.nonLocalizedLabel; 8829 if (userNeedsBadging(userId)) { 8830 res.noResourceId = true; 8831 } else { 8832 res.icon = info.icon; 8833 } 8834 res.iconResourceId = info.icon; 8835 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8836 return res; 8837 } 8838 8839 @Override 8840 protected void sortResults(List<ResolveInfo> results) { 8841 Collections.sort(results, mResolvePrioritySorter); 8842 } 8843 8844 @Override 8845 protected void dumpFilter(PrintWriter out, String prefix, 8846 PackageParser.ActivityIntentInfo filter) { 8847 out.print(prefix); out.print( 8848 Integer.toHexString(System.identityHashCode(filter.activity))); 8849 out.print(' '); 8850 filter.activity.printComponentShortName(out); 8851 out.print(" filter "); 8852 out.println(Integer.toHexString(System.identityHashCode(filter))); 8853 } 8854 8855 @Override 8856 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8857 return filter.activity; 8858 } 8859 8860 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8861 PackageParser.Activity activity = (PackageParser.Activity)label; 8862 out.print(prefix); out.print( 8863 Integer.toHexString(System.identityHashCode(activity))); 8864 out.print(' '); 8865 activity.printComponentShortName(out); 8866 if (count > 1) { 8867 out.print(" ("); out.print(count); out.print(" filters)"); 8868 } 8869 out.println(); 8870 } 8871 8872// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8873// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8874// final List<ResolveInfo> retList = Lists.newArrayList(); 8875// while (i.hasNext()) { 8876// final ResolveInfo resolveInfo = i.next(); 8877// if (isEnabledLP(resolveInfo.activityInfo)) { 8878// retList.add(resolveInfo); 8879// } 8880// } 8881// return retList; 8882// } 8883 8884 // Keys are String (activity class name), values are Activity. 8885 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8886 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8887 private int mFlags; 8888 } 8889 8890 private final class ServiceIntentResolver 8891 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8892 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8893 boolean defaultOnly, int userId) { 8894 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8895 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8896 } 8897 8898 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8899 int userId) { 8900 if (!sUserManager.exists(userId)) return null; 8901 mFlags = flags; 8902 return super.queryIntent(intent, resolvedType, 8903 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8904 } 8905 8906 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8907 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8908 if (!sUserManager.exists(userId)) return null; 8909 if (packageServices == null) { 8910 return null; 8911 } 8912 mFlags = flags; 8913 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8914 final int N = packageServices.size(); 8915 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8916 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8917 8918 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8919 for (int i = 0; i < N; ++i) { 8920 intentFilters = packageServices.get(i).intents; 8921 if (intentFilters != null && intentFilters.size() > 0) { 8922 PackageParser.ServiceIntentInfo[] array = 8923 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8924 intentFilters.toArray(array); 8925 listCut.add(array); 8926 } 8927 } 8928 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8929 } 8930 8931 public final void addService(PackageParser.Service s) { 8932 mServices.put(s.getComponentName(), s); 8933 if (DEBUG_SHOW_INFO) { 8934 Log.v(TAG, " " 8935 + (s.info.nonLocalizedLabel != null 8936 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8937 Log.v(TAG, " Class=" + s.info.name); 8938 } 8939 final int NI = s.intents.size(); 8940 int j; 8941 for (j=0; j<NI; j++) { 8942 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8943 if (DEBUG_SHOW_INFO) { 8944 Log.v(TAG, " IntentFilter:"); 8945 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8946 } 8947 if (!intent.debugCheck()) { 8948 Log.w(TAG, "==> For Service " + s.info.name); 8949 } 8950 addFilter(intent); 8951 } 8952 } 8953 8954 public final void removeService(PackageParser.Service s) { 8955 mServices.remove(s.getComponentName()); 8956 if (DEBUG_SHOW_INFO) { 8957 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8958 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8959 Log.v(TAG, " Class=" + s.info.name); 8960 } 8961 final int NI = s.intents.size(); 8962 int j; 8963 for (j=0; j<NI; j++) { 8964 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8965 if (DEBUG_SHOW_INFO) { 8966 Log.v(TAG, " IntentFilter:"); 8967 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8968 } 8969 removeFilter(intent); 8970 } 8971 } 8972 8973 @Override 8974 protected boolean allowFilterResult( 8975 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 8976 ServiceInfo filterSi = filter.service.info; 8977 for (int i=dest.size()-1; i>=0; i--) { 8978 ServiceInfo destAi = dest.get(i).serviceInfo; 8979 if (destAi.name == filterSi.name 8980 && destAi.packageName == filterSi.packageName) { 8981 return false; 8982 } 8983 } 8984 return true; 8985 } 8986 8987 @Override 8988 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 8989 return new PackageParser.ServiceIntentInfo[size]; 8990 } 8991 8992 @Override 8993 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 8994 if (!sUserManager.exists(userId)) return true; 8995 PackageParser.Package p = filter.service.owner; 8996 if (p != null) { 8997 PackageSetting ps = (PackageSetting)p.mExtras; 8998 if (ps != null) { 8999 // System apps are never considered stopped for purposes of 9000 // filtering, because there may be no way for the user to 9001 // actually re-launch them. 9002 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9003 && ps.getStopped(userId); 9004 } 9005 } 9006 return false; 9007 } 9008 9009 @Override 9010 protected boolean isPackageForFilter(String packageName, 9011 PackageParser.ServiceIntentInfo info) { 9012 return packageName.equals(info.service.owner.packageName); 9013 } 9014 9015 @Override 9016 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9017 int match, int userId) { 9018 if (!sUserManager.exists(userId)) return null; 9019 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9020 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9021 return null; 9022 } 9023 final PackageParser.Service service = info.service; 9024 if (mSafeMode && (service.info.applicationInfo.flags 9025 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9026 return null; 9027 } 9028 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9029 if (ps == null) { 9030 return null; 9031 } 9032 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9033 ps.readUserState(userId), userId); 9034 if (si == null) { 9035 return null; 9036 } 9037 final ResolveInfo res = new ResolveInfo(); 9038 res.serviceInfo = si; 9039 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9040 res.filter = filter; 9041 } 9042 res.priority = info.getPriority(); 9043 res.preferredOrder = service.owner.mPreferredOrder; 9044 res.match = match; 9045 res.isDefault = info.hasDefault; 9046 res.labelRes = info.labelRes; 9047 res.nonLocalizedLabel = info.nonLocalizedLabel; 9048 res.icon = info.icon; 9049 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9050 return res; 9051 } 9052 9053 @Override 9054 protected void sortResults(List<ResolveInfo> results) { 9055 Collections.sort(results, mResolvePrioritySorter); 9056 } 9057 9058 @Override 9059 protected void dumpFilter(PrintWriter out, String prefix, 9060 PackageParser.ServiceIntentInfo filter) { 9061 out.print(prefix); out.print( 9062 Integer.toHexString(System.identityHashCode(filter.service))); 9063 out.print(' '); 9064 filter.service.printComponentShortName(out); 9065 out.print(" filter "); 9066 out.println(Integer.toHexString(System.identityHashCode(filter))); 9067 } 9068 9069 @Override 9070 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9071 return filter.service; 9072 } 9073 9074 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9075 PackageParser.Service service = (PackageParser.Service)label; 9076 out.print(prefix); out.print( 9077 Integer.toHexString(System.identityHashCode(service))); 9078 out.print(' '); 9079 service.printComponentShortName(out); 9080 if (count > 1) { 9081 out.print(" ("); out.print(count); out.print(" filters)"); 9082 } 9083 out.println(); 9084 } 9085 9086// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9087// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9088// final List<ResolveInfo> retList = Lists.newArrayList(); 9089// while (i.hasNext()) { 9090// final ResolveInfo resolveInfo = (ResolveInfo) i; 9091// if (isEnabledLP(resolveInfo.serviceInfo)) { 9092// retList.add(resolveInfo); 9093// } 9094// } 9095// return retList; 9096// } 9097 9098 // Keys are String (activity class name), values are Activity. 9099 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9100 = new ArrayMap<ComponentName, PackageParser.Service>(); 9101 private int mFlags; 9102 }; 9103 9104 private final class ProviderIntentResolver 9105 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9106 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9107 boolean defaultOnly, int userId) { 9108 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9109 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9110 } 9111 9112 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9113 int userId) { 9114 if (!sUserManager.exists(userId)) 9115 return null; 9116 mFlags = flags; 9117 return super.queryIntent(intent, resolvedType, 9118 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9119 } 9120 9121 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9122 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9123 if (!sUserManager.exists(userId)) 9124 return null; 9125 if (packageProviders == null) { 9126 return null; 9127 } 9128 mFlags = flags; 9129 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9130 final int N = packageProviders.size(); 9131 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9132 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9133 9134 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9135 for (int i = 0; i < N; ++i) { 9136 intentFilters = packageProviders.get(i).intents; 9137 if (intentFilters != null && intentFilters.size() > 0) { 9138 PackageParser.ProviderIntentInfo[] array = 9139 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9140 intentFilters.toArray(array); 9141 listCut.add(array); 9142 } 9143 } 9144 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9145 } 9146 9147 public final void addProvider(PackageParser.Provider p) { 9148 if (mProviders.containsKey(p.getComponentName())) { 9149 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9150 return; 9151 } 9152 9153 mProviders.put(p.getComponentName(), p); 9154 if (DEBUG_SHOW_INFO) { 9155 Log.v(TAG, " " 9156 + (p.info.nonLocalizedLabel != null 9157 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9158 Log.v(TAG, " Class=" + p.info.name); 9159 } 9160 final int NI = p.intents.size(); 9161 int j; 9162 for (j = 0; j < NI; j++) { 9163 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9164 if (DEBUG_SHOW_INFO) { 9165 Log.v(TAG, " IntentFilter:"); 9166 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9167 } 9168 if (!intent.debugCheck()) { 9169 Log.w(TAG, "==> For Provider " + p.info.name); 9170 } 9171 addFilter(intent); 9172 } 9173 } 9174 9175 public final void removeProvider(PackageParser.Provider p) { 9176 mProviders.remove(p.getComponentName()); 9177 if (DEBUG_SHOW_INFO) { 9178 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9179 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9180 Log.v(TAG, " Class=" + p.info.name); 9181 } 9182 final int NI = p.intents.size(); 9183 int j; 9184 for (j = 0; j < NI; j++) { 9185 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9186 if (DEBUG_SHOW_INFO) { 9187 Log.v(TAG, " IntentFilter:"); 9188 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9189 } 9190 removeFilter(intent); 9191 } 9192 } 9193 9194 @Override 9195 protected boolean allowFilterResult( 9196 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9197 ProviderInfo filterPi = filter.provider.info; 9198 for (int i = dest.size() - 1; i >= 0; i--) { 9199 ProviderInfo destPi = dest.get(i).providerInfo; 9200 if (destPi.name == filterPi.name 9201 && destPi.packageName == filterPi.packageName) { 9202 return false; 9203 } 9204 } 9205 return true; 9206 } 9207 9208 @Override 9209 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9210 return new PackageParser.ProviderIntentInfo[size]; 9211 } 9212 9213 @Override 9214 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9215 if (!sUserManager.exists(userId)) 9216 return true; 9217 PackageParser.Package p = filter.provider.owner; 9218 if (p != null) { 9219 PackageSetting ps = (PackageSetting) p.mExtras; 9220 if (ps != null) { 9221 // System apps are never considered stopped for purposes of 9222 // filtering, because there may be no way for the user to 9223 // actually re-launch them. 9224 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9225 && ps.getStopped(userId); 9226 } 9227 } 9228 return false; 9229 } 9230 9231 @Override 9232 protected boolean isPackageForFilter(String packageName, 9233 PackageParser.ProviderIntentInfo info) { 9234 return packageName.equals(info.provider.owner.packageName); 9235 } 9236 9237 @Override 9238 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9239 int match, int userId) { 9240 if (!sUserManager.exists(userId)) 9241 return null; 9242 final PackageParser.ProviderIntentInfo info = filter; 9243 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9244 return null; 9245 } 9246 final PackageParser.Provider provider = info.provider; 9247 if (mSafeMode && (provider.info.applicationInfo.flags 9248 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9249 return null; 9250 } 9251 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9252 if (ps == null) { 9253 return null; 9254 } 9255 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9256 ps.readUserState(userId), userId); 9257 if (pi == null) { 9258 return null; 9259 } 9260 final ResolveInfo res = new ResolveInfo(); 9261 res.providerInfo = pi; 9262 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9263 res.filter = filter; 9264 } 9265 res.priority = info.getPriority(); 9266 res.preferredOrder = provider.owner.mPreferredOrder; 9267 res.match = match; 9268 res.isDefault = info.hasDefault; 9269 res.labelRes = info.labelRes; 9270 res.nonLocalizedLabel = info.nonLocalizedLabel; 9271 res.icon = info.icon; 9272 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9273 return res; 9274 } 9275 9276 @Override 9277 protected void sortResults(List<ResolveInfo> results) { 9278 Collections.sort(results, mResolvePrioritySorter); 9279 } 9280 9281 @Override 9282 protected void dumpFilter(PrintWriter out, String prefix, 9283 PackageParser.ProviderIntentInfo filter) { 9284 out.print(prefix); 9285 out.print( 9286 Integer.toHexString(System.identityHashCode(filter.provider))); 9287 out.print(' '); 9288 filter.provider.printComponentShortName(out); 9289 out.print(" filter "); 9290 out.println(Integer.toHexString(System.identityHashCode(filter))); 9291 } 9292 9293 @Override 9294 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9295 return filter.provider; 9296 } 9297 9298 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9299 PackageParser.Provider provider = (PackageParser.Provider)label; 9300 out.print(prefix); out.print( 9301 Integer.toHexString(System.identityHashCode(provider))); 9302 out.print(' '); 9303 provider.printComponentShortName(out); 9304 if (count > 1) { 9305 out.print(" ("); out.print(count); out.print(" filters)"); 9306 } 9307 out.println(); 9308 } 9309 9310 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9311 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9312 private int mFlags; 9313 }; 9314 9315 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9316 new Comparator<ResolveInfo>() { 9317 public int compare(ResolveInfo r1, ResolveInfo r2) { 9318 int v1 = r1.priority; 9319 int v2 = r2.priority; 9320 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9321 if (v1 != v2) { 9322 return (v1 > v2) ? -1 : 1; 9323 } 9324 v1 = r1.preferredOrder; 9325 v2 = r2.preferredOrder; 9326 if (v1 != v2) { 9327 return (v1 > v2) ? -1 : 1; 9328 } 9329 if (r1.isDefault != r2.isDefault) { 9330 return r1.isDefault ? -1 : 1; 9331 } 9332 v1 = r1.match; 9333 v2 = r2.match; 9334 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9335 if (v1 != v2) { 9336 return (v1 > v2) ? -1 : 1; 9337 } 9338 if (r1.system != r2.system) { 9339 return r1.system ? -1 : 1; 9340 } 9341 return 0; 9342 } 9343 }; 9344 9345 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9346 new Comparator<ProviderInfo>() { 9347 public int compare(ProviderInfo p1, ProviderInfo p2) { 9348 final int v1 = p1.initOrder; 9349 final int v2 = p2.initOrder; 9350 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9351 } 9352 }; 9353 9354 final void sendPackageBroadcast(final String action, final String pkg, 9355 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9356 final int[] userIds) { 9357 mHandler.post(new Runnable() { 9358 @Override 9359 public void run() { 9360 try { 9361 final IActivityManager am = ActivityManagerNative.getDefault(); 9362 if (am == null) return; 9363 final int[] resolvedUserIds; 9364 if (userIds == null) { 9365 resolvedUserIds = am.getRunningUserIds(); 9366 } else { 9367 resolvedUserIds = userIds; 9368 } 9369 for (int id : resolvedUserIds) { 9370 final Intent intent = new Intent(action, 9371 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9372 if (extras != null) { 9373 intent.putExtras(extras); 9374 } 9375 if (targetPkg != null) { 9376 intent.setPackage(targetPkg); 9377 } 9378 // Modify the UID when posting to other users 9379 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9380 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9381 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9382 intent.putExtra(Intent.EXTRA_UID, uid); 9383 } 9384 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9385 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9386 if (DEBUG_BROADCASTS) { 9387 RuntimeException here = new RuntimeException("here"); 9388 here.fillInStackTrace(); 9389 Slog.d(TAG, "Sending to user " + id + ": " 9390 + intent.toShortString(false, true, false, false) 9391 + " " + intent.getExtras(), here); 9392 } 9393 am.broadcastIntent(null, intent, null, finishedReceiver, 9394 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9395 null, finishedReceiver != null, false, id); 9396 } 9397 } catch (RemoteException ex) { 9398 } 9399 } 9400 }); 9401 } 9402 9403 /** 9404 * Check if the external storage media is available. This is true if there 9405 * is a mounted external storage medium or if the external storage is 9406 * emulated. 9407 */ 9408 private boolean isExternalMediaAvailable() { 9409 return mMediaMounted || Environment.isExternalStorageEmulated(); 9410 } 9411 9412 @Override 9413 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9414 // writer 9415 synchronized (mPackages) { 9416 if (!isExternalMediaAvailable()) { 9417 // If the external storage is no longer mounted at this point, 9418 // the caller may not have been able to delete all of this 9419 // packages files and can not delete any more. Bail. 9420 return null; 9421 } 9422 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9423 if (lastPackage != null) { 9424 pkgs.remove(lastPackage); 9425 } 9426 if (pkgs.size() > 0) { 9427 return pkgs.get(0); 9428 } 9429 } 9430 return null; 9431 } 9432 9433 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9434 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9435 userId, andCode ? 1 : 0, packageName); 9436 if (mSystemReady) { 9437 msg.sendToTarget(); 9438 } else { 9439 if (mPostSystemReadyMessages == null) { 9440 mPostSystemReadyMessages = new ArrayList<>(); 9441 } 9442 mPostSystemReadyMessages.add(msg); 9443 } 9444 } 9445 9446 void startCleaningPackages() { 9447 // reader 9448 synchronized (mPackages) { 9449 if (!isExternalMediaAvailable()) { 9450 return; 9451 } 9452 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9453 return; 9454 } 9455 } 9456 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9457 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9458 IActivityManager am = ActivityManagerNative.getDefault(); 9459 if (am != null) { 9460 try { 9461 am.startService(null, intent, null, mContext.getOpPackageName(), 9462 UserHandle.USER_OWNER); 9463 } catch (RemoteException e) { 9464 } 9465 } 9466 } 9467 9468 @Override 9469 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9470 int installFlags, String installerPackageName, VerificationParams verificationParams, 9471 String packageAbiOverride) { 9472 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9473 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9474 } 9475 9476 @Override 9477 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9478 int installFlags, String installerPackageName, VerificationParams verificationParams, 9479 String packageAbiOverride, int userId) { 9480 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9481 9482 final int callingUid = Binder.getCallingUid(); 9483 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9484 9485 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9486 try { 9487 if (observer != null) { 9488 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9489 } 9490 } catch (RemoteException re) { 9491 } 9492 return; 9493 } 9494 9495 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9496 installFlags |= PackageManager.INSTALL_FROM_ADB; 9497 9498 } else { 9499 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9500 // about installerPackageName. 9501 9502 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9503 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9504 } 9505 9506 UserHandle user; 9507 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9508 user = UserHandle.ALL; 9509 } else { 9510 user = new UserHandle(userId); 9511 } 9512 9513 // Only system components can circumvent runtime permissions when installing. 9514 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9515 && mContext.checkCallingOrSelfPermission(Manifest.permission 9516 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9517 throw new SecurityException("You need the " 9518 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9519 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9520 } 9521 9522 verificationParams.setInstallerUid(callingUid); 9523 9524 final File originFile = new File(originPath); 9525 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9526 9527 final Message msg = mHandler.obtainMessage(INIT_COPY); 9528 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9529 null, verificationParams, user, packageAbiOverride, null); 9530 mHandler.sendMessage(msg); 9531 } 9532 9533 void installStage(String packageName, File stagedDir, String stagedCid, 9534 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9535 String installerPackageName, int installerUid, UserHandle user) { 9536 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9537 params.referrerUri, installerUid, null); 9538 verifParams.setInstallerUid(installerUid); 9539 9540 final OriginInfo origin; 9541 if (stagedDir != null) { 9542 origin = OriginInfo.fromStagedFile(stagedDir); 9543 } else { 9544 origin = OriginInfo.fromStagedContainer(stagedCid); 9545 } 9546 9547 final Message msg = mHandler.obtainMessage(INIT_COPY); 9548 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9549 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride, 9550 params.grantedRuntimePermissions); 9551 mHandler.sendMessage(msg); 9552 } 9553 9554 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9555 Bundle extras = new Bundle(1); 9556 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9557 9558 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9559 packageName, extras, null, null, new int[] {userId}); 9560 try { 9561 IActivityManager am = ActivityManagerNative.getDefault(); 9562 final boolean isSystem = 9563 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9564 if (isSystem && am.isUserRunning(userId, false)) { 9565 // The just-installed/enabled app is bundled on the system, so presumed 9566 // to be able to run automatically without needing an explicit launch. 9567 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9568 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9569 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9570 .setPackage(packageName); 9571 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9572 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9573 } 9574 } catch (RemoteException e) { 9575 // shouldn't happen 9576 Slog.w(TAG, "Unable to bootstrap installed package", e); 9577 } 9578 } 9579 9580 @Override 9581 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9582 int userId) { 9583 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9584 PackageSetting pkgSetting; 9585 final int uid = Binder.getCallingUid(); 9586 enforceCrossUserPermission(uid, userId, true, true, 9587 "setApplicationHiddenSetting for user " + userId); 9588 9589 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9590 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9591 return false; 9592 } 9593 9594 long callingId = Binder.clearCallingIdentity(); 9595 try { 9596 boolean sendAdded = false; 9597 boolean sendRemoved = false; 9598 // writer 9599 synchronized (mPackages) { 9600 pkgSetting = mSettings.mPackages.get(packageName); 9601 if (pkgSetting == null) { 9602 return false; 9603 } 9604 if (pkgSetting.getHidden(userId) != hidden) { 9605 pkgSetting.setHidden(hidden, userId); 9606 mSettings.writePackageRestrictionsLPr(userId); 9607 if (hidden) { 9608 sendRemoved = true; 9609 } else { 9610 sendAdded = true; 9611 } 9612 } 9613 } 9614 if (sendAdded) { 9615 sendPackageAddedForUser(packageName, pkgSetting, userId); 9616 return true; 9617 } 9618 if (sendRemoved) { 9619 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9620 "hiding pkg"); 9621 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9622 return true; 9623 } 9624 } finally { 9625 Binder.restoreCallingIdentity(callingId); 9626 } 9627 return false; 9628 } 9629 9630 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9631 int userId) { 9632 final PackageRemovedInfo info = new PackageRemovedInfo(); 9633 info.removedPackage = packageName; 9634 info.removedUsers = new int[] {userId}; 9635 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9636 info.sendBroadcast(false, false, false); 9637 } 9638 9639 /** 9640 * Returns true if application is not found or there was an error. Otherwise it returns 9641 * the hidden state of the package for the given user. 9642 */ 9643 @Override 9644 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9645 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9646 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9647 false, "getApplicationHidden for user " + userId); 9648 PackageSetting pkgSetting; 9649 long callingId = Binder.clearCallingIdentity(); 9650 try { 9651 // writer 9652 synchronized (mPackages) { 9653 pkgSetting = mSettings.mPackages.get(packageName); 9654 if (pkgSetting == null) { 9655 return true; 9656 } 9657 return pkgSetting.getHidden(userId); 9658 } 9659 } finally { 9660 Binder.restoreCallingIdentity(callingId); 9661 } 9662 } 9663 9664 /** 9665 * @hide 9666 */ 9667 @Override 9668 public int installExistingPackageAsUser(String packageName, int userId) { 9669 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9670 null); 9671 PackageSetting pkgSetting; 9672 final int uid = Binder.getCallingUid(); 9673 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9674 + userId); 9675 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9676 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9677 } 9678 9679 long callingId = Binder.clearCallingIdentity(); 9680 try { 9681 boolean sendAdded = false; 9682 9683 // writer 9684 synchronized (mPackages) { 9685 pkgSetting = mSettings.mPackages.get(packageName); 9686 if (pkgSetting == null) { 9687 return PackageManager.INSTALL_FAILED_INVALID_URI; 9688 } 9689 if (!pkgSetting.getInstalled(userId)) { 9690 pkgSetting.setInstalled(true, userId); 9691 pkgSetting.setHidden(false, userId); 9692 mSettings.writePackageRestrictionsLPr(userId); 9693 sendAdded = true; 9694 } 9695 } 9696 9697 if (sendAdded) { 9698 sendPackageAddedForUser(packageName, pkgSetting, userId); 9699 } 9700 } finally { 9701 Binder.restoreCallingIdentity(callingId); 9702 } 9703 9704 return PackageManager.INSTALL_SUCCEEDED; 9705 } 9706 9707 boolean isUserRestricted(int userId, String restrictionKey) { 9708 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9709 if (restrictions.getBoolean(restrictionKey, false)) { 9710 Log.w(TAG, "User is restricted: " + restrictionKey); 9711 return true; 9712 } 9713 return false; 9714 } 9715 9716 @Override 9717 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9718 mContext.enforceCallingOrSelfPermission( 9719 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9720 "Only package verification agents can verify applications"); 9721 9722 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9723 final PackageVerificationResponse response = new PackageVerificationResponse( 9724 verificationCode, Binder.getCallingUid()); 9725 msg.arg1 = id; 9726 msg.obj = response; 9727 mHandler.sendMessage(msg); 9728 } 9729 9730 @Override 9731 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9732 long millisecondsToDelay) { 9733 mContext.enforceCallingOrSelfPermission( 9734 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9735 "Only package verification agents can extend verification timeouts"); 9736 9737 final PackageVerificationState state = mPendingVerification.get(id); 9738 final PackageVerificationResponse response = new PackageVerificationResponse( 9739 verificationCodeAtTimeout, Binder.getCallingUid()); 9740 9741 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9742 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9743 } 9744 if (millisecondsToDelay < 0) { 9745 millisecondsToDelay = 0; 9746 } 9747 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9748 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9749 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9750 } 9751 9752 if ((state != null) && !state.timeoutExtended()) { 9753 state.extendTimeout(); 9754 9755 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9756 msg.arg1 = id; 9757 msg.obj = response; 9758 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9759 } 9760 } 9761 9762 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9763 int verificationCode, UserHandle user) { 9764 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9765 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9766 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9767 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9768 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9769 9770 mContext.sendBroadcastAsUser(intent, user, 9771 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9772 } 9773 9774 private ComponentName matchComponentForVerifier(String packageName, 9775 List<ResolveInfo> receivers) { 9776 ActivityInfo targetReceiver = null; 9777 9778 final int NR = receivers.size(); 9779 for (int i = 0; i < NR; i++) { 9780 final ResolveInfo info = receivers.get(i); 9781 if (info.activityInfo == null) { 9782 continue; 9783 } 9784 9785 if (packageName.equals(info.activityInfo.packageName)) { 9786 targetReceiver = info.activityInfo; 9787 break; 9788 } 9789 } 9790 9791 if (targetReceiver == null) { 9792 return null; 9793 } 9794 9795 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9796 } 9797 9798 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9799 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9800 if (pkgInfo.verifiers.length == 0) { 9801 return null; 9802 } 9803 9804 final int N = pkgInfo.verifiers.length; 9805 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9806 for (int i = 0; i < N; i++) { 9807 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9808 9809 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9810 receivers); 9811 if (comp == null) { 9812 continue; 9813 } 9814 9815 final int verifierUid = getUidForVerifier(verifierInfo); 9816 if (verifierUid == -1) { 9817 continue; 9818 } 9819 9820 if (DEBUG_VERIFY) { 9821 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9822 + " with the correct signature"); 9823 } 9824 sufficientVerifiers.add(comp); 9825 verificationState.addSufficientVerifier(verifierUid); 9826 } 9827 9828 return sufficientVerifiers; 9829 } 9830 9831 private int getUidForVerifier(VerifierInfo verifierInfo) { 9832 synchronized (mPackages) { 9833 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9834 if (pkg == null) { 9835 return -1; 9836 } else if (pkg.mSignatures.length != 1) { 9837 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9838 + " has more than one signature; ignoring"); 9839 return -1; 9840 } 9841 9842 /* 9843 * If the public key of the package's signature does not match 9844 * our expected public key, then this is a different package and 9845 * we should skip. 9846 */ 9847 9848 final byte[] expectedPublicKey; 9849 try { 9850 final Signature verifierSig = pkg.mSignatures[0]; 9851 final PublicKey publicKey = verifierSig.getPublicKey(); 9852 expectedPublicKey = publicKey.getEncoded(); 9853 } catch (CertificateException e) { 9854 return -1; 9855 } 9856 9857 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9858 9859 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9860 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9861 + " does not have the expected public key; ignoring"); 9862 return -1; 9863 } 9864 9865 return pkg.applicationInfo.uid; 9866 } 9867 } 9868 9869 @Override 9870 public void finishPackageInstall(int token) { 9871 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9872 9873 if (DEBUG_INSTALL) { 9874 Slog.v(TAG, "BM finishing package install for " + token); 9875 } 9876 9877 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9878 mHandler.sendMessage(msg); 9879 } 9880 9881 /** 9882 * Get the verification agent timeout. 9883 * 9884 * @return verification timeout in milliseconds 9885 */ 9886 private long getVerificationTimeout() { 9887 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9888 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9889 DEFAULT_VERIFICATION_TIMEOUT); 9890 } 9891 9892 /** 9893 * Get the default verification agent response code. 9894 * 9895 * @return default verification response code 9896 */ 9897 private int getDefaultVerificationResponse() { 9898 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9899 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9900 DEFAULT_VERIFICATION_RESPONSE); 9901 } 9902 9903 /** 9904 * Check whether or not package verification has been enabled. 9905 * 9906 * @return true if verification should be performed 9907 */ 9908 private boolean isVerificationEnabled(int userId, int installFlags) { 9909 if (!DEFAULT_VERIFY_ENABLE) { 9910 return false; 9911 } 9912 9913 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9914 9915 // Check if installing from ADB 9916 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9917 // Do not run verification in a test harness environment 9918 if (ActivityManager.isRunningInTestHarness()) { 9919 return false; 9920 } 9921 if (ensureVerifyAppsEnabled) { 9922 return true; 9923 } 9924 // Check if the developer does not want package verification for ADB installs 9925 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9926 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9927 return false; 9928 } 9929 } 9930 9931 if (ensureVerifyAppsEnabled) { 9932 return true; 9933 } 9934 9935 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9936 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9937 } 9938 9939 @Override 9940 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9941 throws RemoteException { 9942 mContext.enforceCallingOrSelfPermission( 9943 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9944 "Only intentfilter verification agents can verify applications"); 9945 9946 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9947 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9948 Binder.getCallingUid(), verificationCode, failedDomains); 9949 msg.arg1 = id; 9950 msg.obj = response; 9951 mHandler.sendMessage(msg); 9952 } 9953 9954 @Override 9955 public int getIntentVerificationStatus(String packageName, int userId) { 9956 synchronized (mPackages) { 9957 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9958 } 9959 } 9960 9961 @Override 9962 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 9963 mContext.enforceCallingOrSelfPermission( 9964 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9965 9966 boolean result = false; 9967 synchronized (mPackages) { 9968 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 9969 } 9970 if (result) { 9971 scheduleWritePackageRestrictionsLocked(userId); 9972 } 9973 return result; 9974 } 9975 9976 @Override 9977 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 9978 synchronized (mPackages) { 9979 return mSettings.getIntentFilterVerificationsLPr(packageName); 9980 } 9981 } 9982 9983 @Override 9984 public List<IntentFilter> getAllIntentFilters(String packageName) { 9985 if (TextUtils.isEmpty(packageName)) { 9986 return Collections.<IntentFilter>emptyList(); 9987 } 9988 synchronized (mPackages) { 9989 PackageParser.Package pkg = mPackages.get(packageName); 9990 if (pkg == null || pkg.activities == null) { 9991 return Collections.<IntentFilter>emptyList(); 9992 } 9993 final int count = pkg.activities.size(); 9994 ArrayList<IntentFilter> result = new ArrayList<>(); 9995 for (int n=0; n<count; n++) { 9996 PackageParser.Activity activity = pkg.activities.get(n); 9997 if (activity.intents != null || activity.intents.size() > 0) { 9998 result.addAll(activity.intents); 9999 } 10000 } 10001 return result; 10002 } 10003 } 10004 10005 @Override 10006 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10007 mContext.enforceCallingOrSelfPermission( 10008 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10009 10010 synchronized (mPackages) { 10011 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10012 if (packageName != null) { 10013 result |= updateIntentVerificationStatus(packageName, 10014 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10015 userId); 10016 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10017 packageName, userId); 10018 } 10019 return result; 10020 } 10021 } 10022 10023 @Override 10024 public String getDefaultBrowserPackageName(int userId) { 10025 synchronized (mPackages) { 10026 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10027 } 10028 } 10029 10030 /** 10031 * Get the "allow unknown sources" setting. 10032 * 10033 * @return the current "allow unknown sources" setting 10034 */ 10035 private int getUnknownSourcesSettings() { 10036 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10037 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10038 -1); 10039 } 10040 10041 @Override 10042 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10043 final int uid = Binder.getCallingUid(); 10044 // writer 10045 synchronized (mPackages) { 10046 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10047 if (targetPackageSetting == null) { 10048 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10049 } 10050 10051 PackageSetting installerPackageSetting; 10052 if (installerPackageName != null) { 10053 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10054 if (installerPackageSetting == null) { 10055 throw new IllegalArgumentException("Unknown installer package: " 10056 + installerPackageName); 10057 } 10058 } else { 10059 installerPackageSetting = null; 10060 } 10061 10062 Signature[] callerSignature; 10063 Object obj = mSettings.getUserIdLPr(uid); 10064 if (obj != null) { 10065 if (obj instanceof SharedUserSetting) { 10066 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10067 } else if (obj instanceof PackageSetting) { 10068 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10069 } else { 10070 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10071 } 10072 } else { 10073 throw new SecurityException("Unknown calling uid " + uid); 10074 } 10075 10076 // Verify: can't set installerPackageName to a package that is 10077 // not signed with the same cert as the caller. 10078 if (installerPackageSetting != null) { 10079 if (compareSignatures(callerSignature, 10080 installerPackageSetting.signatures.mSignatures) 10081 != PackageManager.SIGNATURE_MATCH) { 10082 throw new SecurityException( 10083 "Caller does not have same cert as new installer package " 10084 + installerPackageName); 10085 } 10086 } 10087 10088 // Verify: if target already has an installer package, it must 10089 // be signed with the same cert as the caller. 10090 if (targetPackageSetting.installerPackageName != null) { 10091 PackageSetting setting = mSettings.mPackages.get( 10092 targetPackageSetting.installerPackageName); 10093 // If the currently set package isn't valid, then it's always 10094 // okay to change it. 10095 if (setting != null) { 10096 if (compareSignatures(callerSignature, 10097 setting.signatures.mSignatures) 10098 != PackageManager.SIGNATURE_MATCH) { 10099 throw new SecurityException( 10100 "Caller does not have same cert as old installer package " 10101 + targetPackageSetting.installerPackageName); 10102 } 10103 } 10104 } 10105 10106 // Okay! 10107 targetPackageSetting.installerPackageName = installerPackageName; 10108 scheduleWriteSettingsLocked(); 10109 } 10110 } 10111 10112 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10113 // Queue up an async operation since the package installation may take a little while. 10114 mHandler.post(new Runnable() { 10115 public void run() { 10116 mHandler.removeCallbacks(this); 10117 // Result object to be returned 10118 PackageInstalledInfo res = new PackageInstalledInfo(); 10119 res.returnCode = currentStatus; 10120 res.uid = -1; 10121 res.pkg = null; 10122 res.removedInfo = new PackageRemovedInfo(); 10123 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10124 args.doPreInstall(res.returnCode); 10125 synchronized (mInstallLock) { 10126 installPackageLI(args, res); 10127 } 10128 args.doPostInstall(res.returnCode, res.uid); 10129 } 10130 10131 // A restore should be performed at this point if (a) the install 10132 // succeeded, (b) the operation is not an update, and (c) the new 10133 // package has not opted out of backup participation. 10134 final boolean update = res.removedInfo.removedPackage != null; 10135 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10136 boolean doRestore = !update 10137 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10138 10139 // Set up the post-install work request bookkeeping. This will be used 10140 // and cleaned up by the post-install event handling regardless of whether 10141 // there's a restore pass performed. Token values are >= 1. 10142 int token; 10143 if (mNextInstallToken < 0) mNextInstallToken = 1; 10144 token = mNextInstallToken++; 10145 10146 PostInstallData data = new PostInstallData(args, res); 10147 mRunningInstalls.put(token, data); 10148 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10149 10150 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10151 // Pass responsibility to the Backup Manager. It will perform a 10152 // restore if appropriate, then pass responsibility back to the 10153 // Package Manager to run the post-install observer callbacks 10154 // and broadcasts. 10155 IBackupManager bm = IBackupManager.Stub.asInterface( 10156 ServiceManager.getService(Context.BACKUP_SERVICE)); 10157 if (bm != null) { 10158 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10159 + " to BM for possible restore"); 10160 try { 10161 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10162 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10163 } else { 10164 doRestore = false; 10165 } 10166 } catch (RemoteException e) { 10167 // can't happen; the backup manager is local 10168 } catch (Exception e) { 10169 Slog.e(TAG, "Exception trying to enqueue restore", e); 10170 doRestore = false; 10171 } 10172 } else { 10173 Slog.e(TAG, "Backup Manager not found!"); 10174 doRestore = false; 10175 } 10176 } 10177 10178 if (!doRestore) { 10179 // No restore possible, or the Backup Manager was mysteriously not 10180 // available -- just fire the post-install work request directly. 10181 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10182 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10183 mHandler.sendMessage(msg); 10184 } 10185 } 10186 }); 10187 } 10188 10189 private abstract class HandlerParams { 10190 private static final int MAX_RETRIES = 4; 10191 10192 /** 10193 * Number of times startCopy() has been attempted and had a non-fatal 10194 * error. 10195 */ 10196 private int mRetries = 0; 10197 10198 /** User handle for the user requesting the information or installation. */ 10199 private final UserHandle mUser; 10200 10201 HandlerParams(UserHandle user) { 10202 mUser = user; 10203 } 10204 10205 UserHandle getUser() { 10206 return mUser; 10207 } 10208 10209 final boolean startCopy() { 10210 boolean res; 10211 try { 10212 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10213 10214 if (++mRetries > MAX_RETRIES) { 10215 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10216 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10217 handleServiceError(); 10218 return false; 10219 } else { 10220 handleStartCopy(); 10221 res = true; 10222 } 10223 } catch (RemoteException e) { 10224 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10225 mHandler.sendEmptyMessage(MCS_RECONNECT); 10226 res = false; 10227 } 10228 handleReturnCode(); 10229 return res; 10230 } 10231 10232 final void serviceError() { 10233 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10234 handleServiceError(); 10235 handleReturnCode(); 10236 } 10237 10238 abstract void handleStartCopy() throws RemoteException; 10239 abstract void handleServiceError(); 10240 abstract void handleReturnCode(); 10241 } 10242 10243 class MeasureParams extends HandlerParams { 10244 private final PackageStats mStats; 10245 private boolean mSuccess; 10246 10247 private final IPackageStatsObserver mObserver; 10248 10249 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10250 super(new UserHandle(stats.userHandle)); 10251 mObserver = observer; 10252 mStats = stats; 10253 } 10254 10255 @Override 10256 public String toString() { 10257 return "MeasureParams{" 10258 + Integer.toHexString(System.identityHashCode(this)) 10259 + " " + mStats.packageName + "}"; 10260 } 10261 10262 @Override 10263 void handleStartCopy() throws RemoteException { 10264 synchronized (mInstallLock) { 10265 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10266 } 10267 10268 if (mSuccess) { 10269 final boolean mounted; 10270 if (Environment.isExternalStorageEmulated()) { 10271 mounted = true; 10272 } else { 10273 final String status = Environment.getExternalStorageState(); 10274 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10275 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10276 } 10277 10278 if (mounted) { 10279 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10280 10281 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10282 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10283 10284 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10285 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10286 10287 // Always subtract cache size, since it's a subdirectory 10288 mStats.externalDataSize -= mStats.externalCacheSize; 10289 10290 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10291 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10292 10293 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10294 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10295 } 10296 } 10297 } 10298 10299 @Override 10300 void handleReturnCode() { 10301 if (mObserver != null) { 10302 try { 10303 mObserver.onGetStatsCompleted(mStats, mSuccess); 10304 } catch (RemoteException e) { 10305 Slog.i(TAG, "Observer no longer exists."); 10306 } 10307 } 10308 } 10309 10310 @Override 10311 void handleServiceError() { 10312 Slog.e(TAG, "Could not measure application " + mStats.packageName 10313 + " external storage"); 10314 } 10315 } 10316 10317 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10318 throws RemoteException { 10319 long result = 0; 10320 for (File path : paths) { 10321 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10322 } 10323 return result; 10324 } 10325 10326 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10327 for (File path : paths) { 10328 try { 10329 mcs.clearDirectory(path.getAbsolutePath()); 10330 } catch (RemoteException e) { 10331 } 10332 } 10333 } 10334 10335 static class OriginInfo { 10336 /** 10337 * Location where install is coming from, before it has been 10338 * copied/renamed into place. This could be a single monolithic APK 10339 * file, or a cluster directory. This location may be untrusted. 10340 */ 10341 final File file; 10342 final String cid; 10343 10344 /** 10345 * Flag indicating that {@link #file} or {@link #cid} has already been 10346 * staged, meaning downstream users don't need to defensively copy the 10347 * contents. 10348 */ 10349 final boolean staged; 10350 10351 /** 10352 * Flag indicating that {@link #file} or {@link #cid} is an already 10353 * installed app that is being moved. 10354 */ 10355 final boolean existing; 10356 10357 final String resolvedPath; 10358 final File resolvedFile; 10359 10360 static OriginInfo fromNothing() { 10361 return new OriginInfo(null, null, false, false); 10362 } 10363 10364 static OriginInfo fromUntrustedFile(File file) { 10365 return new OriginInfo(file, null, false, false); 10366 } 10367 10368 static OriginInfo fromExistingFile(File file) { 10369 return new OriginInfo(file, null, false, true); 10370 } 10371 10372 static OriginInfo fromStagedFile(File file) { 10373 return new OriginInfo(file, null, true, false); 10374 } 10375 10376 static OriginInfo fromStagedContainer(String cid) { 10377 return new OriginInfo(null, cid, true, false); 10378 } 10379 10380 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10381 this.file = file; 10382 this.cid = cid; 10383 this.staged = staged; 10384 this.existing = existing; 10385 10386 if (cid != null) { 10387 resolvedPath = PackageHelper.getSdDir(cid); 10388 resolvedFile = new File(resolvedPath); 10389 } else if (file != null) { 10390 resolvedPath = file.getAbsolutePath(); 10391 resolvedFile = file; 10392 } else { 10393 resolvedPath = null; 10394 resolvedFile = null; 10395 } 10396 } 10397 } 10398 10399 class MoveInfo { 10400 final int moveId; 10401 final String fromUuid; 10402 final String toUuid; 10403 final String packageName; 10404 final String dataAppName; 10405 final int appId; 10406 final String seinfo; 10407 10408 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10409 String dataAppName, int appId, String seinfo) { 10410 this.moveId = moveId; 10411 this.fromUuid = fromUuid; 10412 this.toUuid = toUuid; 10413 this.packageName = packageName; 10414 this.dataAppName = dataAppName; 10415 this.appId = appId; 10416 this.seinfo = seinfo; 10417 } 10418 } 10419 10420 class InstallParams extends HandlerParams { 10421 final OriginInfo origin; 10422 final MoveInfo move; 10423 final IPackageInstallObserver2 observer; 10424 int installFlags; 10425 final String installerPackageName; 10426 final String volumeUuid; 10427 final VerificationParams verificationParams; 10428 private InstallArgs mArgs; 10429 private int mRet; 10430 final String packageAbiOverride; 10431 final String[] grantedRuntimePermissions; 10432 10433 10434 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10435 int installFlags, String installerPackageName, String volumeUuid, 10436 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10437 String[] grantedPermissions) { 10438 super(user); 10439 this.origin = origin; 10440 this.move = move; 10441 this.observer = observer; 10442 this.installFlags = installFlags; 10443 this.installerPackageName = installerPackageName; 10444 this.volumeUuid = volumeUuid; 10445 this.verificationParams = verificationParams; 10446 this.packageAbiOverride = packageAbiOverride; 10447 this.grantedRuntimePermissions = grantedPermissions; 10448 } 10449 10450 @Override 10451 public String toString() { 10452 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10453 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10454 } 10455 10456 public ManifestDigest getManifestDigest() { 10457 if (verificationParams == null) { 10458 return null; 10459 } 10460 return verificationParams.getManifestDigest(); 10461 } 10462 10463 private int installLocationPolicy(PackageInfoLite pkgLite) { 10464 String packageName = pkgLite.packageName; 10465 int installLocation = pkgLite.installLocation; 10466 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10467 // reader 10468 synchronized (mPackages) { 10469 PackageParser.Package pkg = mPackages.get(packageName); 10470 if (pkg != null) { 10471 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10472 // Check for downgrading. 10473 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10474 try { 10475 checkDowngrade(pkg, pkgLite); 10476 } catch (PackageManagerException e) { 10477 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10478 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10479 } 10480 } 10481 // Check for updated system application. 10482 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10483 if (onSd) { 10484 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10485 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10486 } 10487 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10488 } else { 10489 if (onSd) { 10490 // Install flag overrides everything. 10491 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10492 } 10493 // If current upgrade specifies particular preference 10494 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10495 // Application explicitly specified internal. 10496 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10497 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10498 // App explictly prefers external. Let policy decide 10499 } else { 10500 // Prefer previous location 10501 if (isExternal(pkg)) { 10502 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10503 } 10504 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10505 } 10506 } 10507 } else { 10508 // Invalid install. Return error code 10509 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10510 } 10511 } 10512 } 10513 // All the special cases have been taken care of. 10514 // Return result based on recommended install location. 10515 if (onSd) { 10516 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10517 } 10518 return pkgLite.recommendedInstallLocation; 10519 } 10520 10521 /* 10522 * Invoke remote method to get package information and install 10523 * location values. Override install location based on default 10524 * policy if needed and then create install arguments based 10525 * on the install location. 10526 */ 10527 public void handleStartCopy() throws RemoteException { 10528 int ret = PackageManager.INSTALL_SUCCEEDED; 10529 10530 // If we're already staged, we've firmly committed to an install location 10531 if (origin.staged) { 10532 if (origin.file != null) { 10533 installFlags |= PackageManager.INSTALL_INTERNAL; 10534 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10535 } else if (origin.cid != null) { 10536 installFlags |= PackageManager.INSTALL_EXTERNAL; 10537 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10538 } else { 10539 throw new IllegalStateException("Invalid stage location"); 10540 } 10541 } 10542 10543 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10544 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10545 10546 PackageInfoLite pkgLite = null; 10547 10548 if (onInt && onSd) { 10549 // Check if both bits are set. 10550 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10551 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10552 } else { 10553 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10554 packageAbiOverride); 10555 10556 /* 10557 * If we have too little free space, try to free cache 10558 * before giving up. 10559 */ 10560 if (!origin.staged && pkgLite.recommendedInstallLocation 10561 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10562 // TODO: focus freeing disk space on the target device 10563 final StorageManager storage = StorageManager.from(mContext); 10564 final long lowThreshold = storage.getStorageLowBytes( 10565 Environment.getDataDirectory()); 10566 10567 final long sizeBytes = mContainerService.calculateInstalledSize( 10568 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10569 10570 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10571 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10572 installFlags, packageAbiOverride); 10573 } 10574 10575 /* 10576 * The cache free must have deleted the file we 10577 * downloaded to install. 10578 * 10579 * TODO: fix the "freeCache" call to not delete 10580 * the file we care about. 10581 */ 10582 if (pkgLite.recommendedInstallLocation 10583 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10584 pkgLite.recommendedInstallLocation 10585 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10586 } 10587 } 10588 } 10589 10590 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10591 int loc = pkgLite.recommendedInstallLocation; 10592 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10593 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10594 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10595 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10596 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10597 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10598 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10599 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10600 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10601 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10602 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10603 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10604 } else { 10605 // Override with defaults if needed. 10606 loc = installLocationPolicy(pkgLite); 10607 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10608 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10609 } else if (!onSd && !onInt) { 10610 // Override install location with flags 10611 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10612 // Set the flag to install on external media. 10613 installFlags |= PackageManager.INSTALL_EXTERNAL; 10614 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10615 } else { 10616 // Make sure the flag for installing on external 10617 // media is unset 10618 installFlags |= PackageManager.INSTALL_INTERNAL; 10619 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10620 } 10621 } 10622 } 10623 } 10624 10625 final InstallArgs args = createInstallArgs(this); 10626 mArgs = args; 10627 10628 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10629 /* 10630 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10631 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10632 */ 10633 int userIdentifier = getUser().getIdentifier(); 10634 if (userIdentifier == UserHandle.USER_ALL 10635 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10636 userIdentifier = UserHandle.USER_OWNER; 10637 } 10638 10639 /* 10640 * Determine if we have any installed package verifiers. If we 10641 * do, then we'll defer to them to verify the packages. 10642 */ 10643 final int requiredUid = mRequiredVerifierPackage == null ? -1 10644 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10645 if (!origin.existing && requiredUid != -1 10646 && isVerificationEnabled(userIdentifier, installFlags)) { 10647 final Intent verification = new Intent( 10648 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10649 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10650 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10651 PACKAGE_MIME_TYPE); 10652 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10653 10654 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10655 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10656 0 /* TODO: Which userId? */); 10657 10658 if (DEBUG_VERIFY) { 10659 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10660 + verification.toString() + " with " + pkgLite.verifiers.length 10661 + " optional verifiers"); 10662 } 10663 10664 final int verificationId = mPendingVerificationToken++; 10665 10666 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10667 10668 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10669 installerPackageName); 10670 10671 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10672 installFlags); 10673 10674 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10675 pkgLite.packageName); 10676 10677 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10678 pkgLite.versionCode); 10679 10680 if (verificationParams != null) { 10681 if (verificationParams.getVerificationURI() != null) { 10682 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10683 verificationParams.getVerificationURI()); 10684 } 10685 if (verificationParams.getOriginatingURI() != null) { 10686 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10687 verificationParams.getOriginatingURI()); 10688 } 10689 if (verificationParams.getReferrer() != null) { 10690 verification.putExtra(Intent.EXTRA_REFERRER, 10691 verificationParams.getReferrer()); 10692 } 10693 if (verificationParams.getOriginatingUid() >= 0) { 10694 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10695 verificationParams.getOriginatingUid()); 10696 } 10697 if (verificationParams.getInstallerUid() >= 0) { 10698 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10699 verificationParams.getInstallerUid()); 10700 } 10701 } 10702 10703 final PackageVerificationState verificationState = new PackageVerificationState( 10704 requiredUid, args); 10705 10706 mPendingVerification.append(verificationId, verificationState); 10707 10708 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10709 receivers, verificationState); 10710 10711 // Apps installed for "all" users use the device owner to verify the app 10712 UserHandle verifierUser = getUser(); 10713 if (verifierUser == UserHandle.ALL) { 10714 verifierUser = UserHandle.OWNER; 10715 } 10716 10717 /* 10718 * If any sufficient verifiers were listed in the package 10719 * manifest, attempt to ask them. 10720 */ 10721 if (sufficientVerifiers != null) { 10722 final int N = sufficientVerifiers.size(); 10723 if (N == 0) { 10724 Slog.i(TAG, "Additional verifiers required, but none installed."); 10725 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10726 } else { 10727 for (int i = 0; i < N; i++) { 10728 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10729 10730 final Intent sufficientIntent = new Intent(verification); 10731 sufficientIntent.setComponent(verifierComponent); 10732 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10733 } 10734 } 10735 } 10736 10737 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10738 mRequiredVerifierPackage, receivers); 10739 if (ret == PackageManager.INSTALL_SUCCEEDED 10740 && mRequiredVerifierPackage != null) { 10741 /* 10742 * Send the intent to the required verification agent, 10743 * but only start the verification timeout after the 10744 * target BroadcastReceivers have run. 10745 */ 10746 verification.setComponent(requiredVerifierComponent); 10747 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10748 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10749 new BroadcastReceiver() { 10750 @Override 10751 public void onReceive(Context context, Intent intent) { 10752 final Message msg = mHandler 10753 .obtainMessage(CHECK_PENDING_VERIFICATION); 10754 msg.arg1 = verificationId; 10755 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10756 } 10757 }, null, 0, null, null); 10758 10759 /* 10760 * We don't want the copy to proceed until verification 10761 * succeeds, so null out this field. 10762 */ 10763 mArgs = null; 10764 } 10765 } else { 10766 /* 10767 * No package verification is enabled, so immediately start 10768 * the remote call to initiate copy using temporary file. 10769 */ 10770 ret = args.copyApk(mContainerService, true); 10771 } 10772 } 10773 10774 mRet = ret; 10775 } 10776 10777 @Override 10778 void handleReturnCode() { 10779 // If mArgs is null, then MCS couldn't be reached. When it 10780 // reconnects, it will try again to install. At that point, this 10781 // will succeed. 10782 if (mArgs != null) { 10783 processPendingInstall(mArgs, mRet); 10784 } 10785 } 10786 10787 @Override 10788 void handleServiceError() { 10789 mArgs = createInstallArgs(this); 10790 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10791 } 10792 10793 public boolean isForwardLocked() { 10794 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10795 } 10796 } 10797 10798 /** 10799 * Used during creation of InstallArgs 10800 * 10801 * @param installFlags package installation flags 10802 * @return true if should be installed on external storage 10803 */ 10804 private static boolean installOnExternalAsec(int installFlags) { 10805 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10806 return false; 10807 } 10808 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10809 return true; 10810 } 10811 return false; 10812 } 10813 10814 /** 10815 * Used during creation of InstallArgs 10816 * 10817 * @param installFlags package installation flags 10818 * @return true if should be installed as forward locked 10819 */ 10820 private static boolean installForwardLocked(int installFlags) { 10821 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10822 } 10823 10824 private InstallArgs createInstallArgs(InstallParams params) { 10825 if (params.move != null) { 10826 return new MoveInstallArgs(params); 10827 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10828 return new AsecInstallArgs(params); 10829 } else { 10830 return new FileInstallArgs(params); 10831 } 10832 } 10833 10834 /** 10835 * Create args that describe an existing installed package. Typically used 10836 * when cleaning up old installs, or used as a move source. 10837 */ 10838 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10839 String resourcePath, String[] instructionSets) { 10840 final boolean isInAsec; 10841 if (installOnExternalAsec(installFlags)) { 10842 /* Apps on SD card are always in ASEC containers. */ 10843 isInAsec = true; 10844 } else if (installForwardLocked(installFlags) 10845 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10846 /* 10847 * Forward-locked apps are only in ASEC containers if they're the 10848 * new style 10849 */ 10850 isInAsec = true; 10851 } else { 10852 isInAsec = false; 10853 } 10854 10855 if (isInAsec) { 10856 return new AsecInstallArgs(codePath, instructionSets, 10857 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10858 } else { 10859 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10860 } 10861 } 10862 10863 static abstract class InstallArgs { 10864 /** @see InstallParams#origin */ 10865 final OriginInfo origin; 10866 /** @see InstallParams#move */ 10867 final MoveInfo move; 10868 10869 final IPackageInstallObserver2 observer; 10870 // Always refers to PackageManager flags only 10871 final int installFlags; 10872 final String installerPackageName; 10873 final String volumeUuid; 10874 final ManifestDigest manifestDigest; 10875 final UserHandle user; 10876 final String abiOverride; 10877 final String[] installGrantPermissions; 10878 10879 // The list of instruction sets supported by this app. This is currently 10880 // only used during the rmdex() phase to clean up resources. We can get rid of this 10881 // if we move dex files under the common app path. 10882 /* nullable */ String[] instructionSets; 10883 10884 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10885 int installFlags, String installerPackageName, String volumeUuid, 10886 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10887 String abiOverride, String[] installGrantPermissions) { 10888 this.origin = origin; 10889 this.move = move; 10890 this.installFlags = installFlags; 10891 this.observer = observer; 10892 this.installerPackageName = installerPackageName; 10893 this.volumeUuid = volumeUuid; 10894 this.manifestDigest = manifestDigest; 10895 this.user = user; 10896 this.instructionSets = instructionSets; 10897 this.abiOverride = abiOverride; 10898 this.installGrantPermissions = installGrantPermissions; 10899 } 10900 10901 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10902 abstract int doPreInstall(int status); 10903 10904 /** 10905 * Rename package into final resting place. All paths on the given 10906 * scanned package should be updated to reflect the rename. 10907 */ 10908 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10909 abstract int doPostInstall(int status, int uid); 10910 10911 /** @see PackageSettingBase#codePathString */ 10912 abstract String getCodePath(); 10913 /** @see PackageSettingBase#resourcePathString */ 10914 abstract String getResourcePath(); 10915 10916 // Need installer lock especially for dex file removal. 10917 abstract void cleanUpResourcesLI(); 10918 abstract boolean doPostDeleteLI(boolean delete); 10919 10920 /** 10921 * Called before the source arguments are copied. This is used mostly 10922 * for MoveParams when it needs to read the source file to put it in the 10923 * destination. 10924 */ 10925 int doPreCopy() { 10926 return PackageManager.INSTALL_SUCCEEDED; 10927 } 10928 10929 /** 10930 * Called after the source arguments are copied. This is used mostly for 10931 * MoveParams when it needs to read the source file to put it in the 10932 * destination. 10933 * 10934 * @return 10935 */ 10936 int doPostCopy(int uid) { 10937 return PackageManager.INSTALL_SUCCEEDED; 10938 } 10939 10940 protected boolean isFwdLocked() { 10941 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10942 } 10943 10944 protected boolean isExternalAsec() { 10945 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10946 } 10947 10948 UserHandle getUser() { 10949 return user; 10950 } 10951 } 10952 10953 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10954 if (!allCodePaths.isEmpty()) { 10955 if (instructionSets == null) { 10956 throw new IllegalStateException("instructionSet == null"); 10957 } 10958 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10959 for (String codePath : allCodePaths) { 10960 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 10961 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 10962 if (retCode < 0) { 10963 Slog.w(TAG, "Couldn't remove dex file for package: " 10964 + " at location " + codePath + ", retcode=" + retCode); 10965 // we don't consider this to be a failure of the core package deletion 10966 } 10967 } 10968 } 10969 } 10970 } 10971 10972 /** 10973 * Logic to handle installation of non-ASEC applications, including copying 10974 * and renaming logic. 10975 */ 10976 class FileInstallArgs extends InstallArgs { 10977 private File codeFile; 10978 private File resourceFile; 10979 10980 // Example topology: 10981 // /data/app/com.example/base.apk 10982 // /data/app/com.example/split_foo.apk 10983 // /data/app/com.example/lib/arm/libfoo.so 10984 // /data/app/com.example/lib/arm64/libfoo.so 10985 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 10986 10987 /** New install */ 10988 FileInstallArgs(InstallParams params) { 10989 super(params.origin, params.move, params.observer, params.installFlags, 10990 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 10991 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 10992 params.grantedRuntimePermissions); 10993 if (isFwdLocked()) { 10994 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 10995 } 10996 } 10997 10998 /** Existing install */ 10999 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11000 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11001 null, null); 11002 this.codeFile = (codePath != null) ? new File(codePath) : null; 11003 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11004 } 11005 11006 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11007 if (origin.staged) { 11008 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11009 codeFile = origin.file; 11010 resourceFile = origin.file; 11011 return PackageManager.INSTALL_SUCCEEDED; 11012 } 11013 11014 try { 11015 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11016 codeFile = tempDir; 11017 resourceFile = tempDir; 11018 } catch (IOException e) { 11019 Slog.w(TAG, "Failed to create copy file: " + e); 11020 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11021 } 11022 11023 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11024 @Override 11025 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11026 if (!FileUtils.isValidExtFilename(name)) { 11027 throw new IllegalArgumentException("Invalid filename: " + name); 11028 } 11029 try { 11030 final File file = new File(codeFile, name); 11031 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11032 O_RDWR | O_CREAT, 0644); 11033 Os.chmod(file.getAbsolutePath(), 0644); 11034 return new ParcelFileDescriptor(fd); 11035 } catch (ErrnoException e) { 11036 throw new RemoteException("Failed to open: " + e.getMessage()); 11037 } 11038 } 11039 }; 11040 11041 int ret = PackageManager.INSTALL_SUCCEEDED; 11042 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11043 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11044 Slog.e(TAG, "Failed to copy package"); 11045 return ret; 11046 } 11047 11048 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11049 NativeLibraryHelper.Handle handle = null; 11050 try { 11051 handle = NativeLibraryHelper.Handle.create(codeFile); 11052 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11053 abiOverride); 11054 } catch (IOException e) { 11055 Slog.e(TAG, "Copying native libraries failed", e); 11056 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11057 } finally { 11058 IoUtils.closeQuietly(handle); 11059 } 11060 11061 return ret; 11062 } 11063 11064 int doPreInstall(int status) { 11065 if (status != PackageManager.INSTALL_SUCCEEDED) { 11066 cleanUp(); 11067 } 11068 return status; 11069 } 11070 11071 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11072 if (status != PackageManager.INSTALL_SUCCEEDED) { 11073 cleanUp(); 11074 return false; 11075 } 11076 11077 final File targetDir = codeFile.getParentFile(); 11078 final File beforeCodeFile = codeFile; 11079 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11080 11081 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11082 try { 11083 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11084 } catch (ErrnoException e) { 11085 Slog.w(TAG, "Failed to rename", e); 11086 return false; 11087 } 11088 11089 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11090 Slog.w(TAG, "Failed to restorecon"); 11091 return false; 11092 } 11093 11094 // Reflect the rename internally 11095 codeFile = afterCodeFile; 11096 resourceFile = afterCodeFile; 11097 11098 // Reflect the rename in scanned details 11099 pkg.codePath = afterCodeFile.getAbsolutePath(); 11100 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11101 pkg.baseCodePath); 11102 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11103 pkg.splitCodePaths); 11104 11105 // Reflect the rename in app info 11106 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11107 pkg.applicationInfo.setCodePath(pkg.codePath); 11108 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11109 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11110 pkg.applicationInfo.setResourcePath(pkg.codePath); 11111 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11112 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11113 11114 return true; 11115 } 11116 11117 int doPostInstall(int status, int uid) { 11118 if (status != PackageManager.INSTALL_SUCCEEDED) { 11119 cleanUp(); 11120 } 11121 return status; 11122 } 11123 11124 @Override 11125 String getCodePath() { 11126 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11127 } 11128 11129 @Override 11130 String getResourcePath() { 11131 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11132 } 11133 11134 private boolean cleanUp() { 11135 if (codeFile == null || !codeFile.exists()) { 11136 return false; 11137 } 11138 11139 if (codeFile.isDirectory()) { 11140 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11141 } else { 11142 codeFile.delete(); 11143 } 11144 11145 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11146 resourceFile.delete(); 11147 } 11148 11149 return true; 11150 } 11151 11152 void cleanUpResourcesLI() { 11153 // Try enumerating all code paths before deleting 11154 List<String> allCodePaths = Collections.EMPTY_LIST; 11155 if (codeFile != null && codeFile.exists()) { 11156 try { 11157 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11158 allCodePaths = pkg.getAllCodePaths(); 11159 } catch (PackageParserException e) { 11160 // Ignored; we tried our best 11161 } 11162 } 11163 11164 cleanUp(); 11165 removeDexFiles(allCodePaths, instructionSets); 11166 } 11167 11168 boolean doPostDeleteLI(boolean delete) { 11169 // XXX err, shouldn't we respect the delete flag? 11170 cleanUpResourcesLI(); 11171 return true; 11172 } 11173 } 11174 11175 private boolean isAsecExternal(String cid) { 11176 final String asecPath = PackageHelper.getSdFilesystem(cid); 11177 return !asecPath.startsWith(mAsecInternalPath); 11178 } 11179 11180 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11181 PackageManagerException { 11182 if (copyRet < 0) { 11183 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11184 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11185 throw new PackageManagerException(copyRet, message); 11186 } 11187 } 11188 } 11189 11190 /** 11191 * Extract the MountService "container ID" from the full code path of an 11192 * .apk. 11193 */ 11194 static String cidFromCodePath(String fullCodePath) { 11195 int eidx = fullCodePath.lastIndexOf("/"); 11196 String subStr1 = fullCodePath.substring(0, eidx); 11197 int sidx = subStr1.lastIndexOf("/"); 11198 return subStr1.substring(sidx+1, eidx); 11199 } 11200 11201 /** 11202 * Logic to handle installation of ASEC applications, including copying and 11203 * renaming logic. 11204 */ 11205 class AsecInstallArgs extends InstallArgs { 11206 static final String RES_FILE_NAME = "pkg.apk"; 11207 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11208 11209 String cid; 11210 String packagePath; 11211 String resourcePath; 11212 11213 /** New install */ 11214 AsecInstallArgs(InstallParams params) { 11215 super(params.origin, params.move, params.observer, params.installFlags, 11216 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11217 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11218 params.grantedRuntimePermissions); 11219 } 11220 11221 /** Existing install */ 11222 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11223 boolean isExternal, boolean isForwardLocked) { 11224 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11225 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11226 instructionSets, null, null); 11227 // Hackily pretend we're still looking at a full code path 11228 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11229 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11230 } 11231 11232 // Extract cid from fullCodePath 11233 int eidx = fullCodePath.lastIndexOf("/"); 11234 String subStr1 = fullCodePath.substring(0, eidx); 11235 int sidx = subStr1.lastIndexOf("/"); 11236 cid = subStr1.substring(sidx+1, eidx); 11237 setMountPath(subStr1); 11238 } 11239 11240 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11241 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11242 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11243 instructionSets, null, null); 11244 this.cid = cid; 11245 setMountPath(PackageHelper.getSdDir(cid)); 11246 } 11247 11248 void createCopyFile() { 11249 cid = mInstallerService.allocateExternalStageCidLegacy(); 11250 } 11251 11252 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11253 if (origin.staged) { 11254 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11255 cid = origin.cid; 11256 setMountPath(PackageHelper.getSdDir(cid)); 11257 return PackageManager.INSTALL_SUCCEEDED; 11258 } 11259 11260 if (temp) { 11261 createCopyFile(); 11262 } else { 11263 /* 11264 * Pre-emptively destroy the container since it's destroyed if 11265 * copying fails due to it existing anyway. 11266 */ 11267 PackageHelper.destroySdDir(cid); 11268 } 11269 11270 final String newMountPath = imcs.copyPackageToContainer( 11271 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11272 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11273 11274 if (newMountPath != null) { 11275 setMountPath(newMountPath); 11276 return PackageManager.INSTALL_SUCCEEDED; 11277 } else { 11278 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11279 } 11280 } 11281 11282 @Override 11283 String getCodePath() { 11284 return packagePath; 11285 } 11286 11287 @Override 11288 String getResourcePath() { 11289 return resourcePath; 11290 } 11291 11292 int doPreInstall(int status) { 11293 if (status != PackageManager.INSTALL_SUCCEEDED) { 11294 // Destroy container 11295 PackageHelper.destroySdDir(cid); 11296 } else { 11297 boolean mounted = PackageHelper.isContainerMounted(cid); 11298 if (!mounted) { 11299 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11300 Process.SYSTEM_UID); 11301 if (newMountPath != null) { 11302 setMountPath(newMountPath); 11303 } else { 11304 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11305 } 11306 } 11307 } 11308 return status; 11309 } 11310 11311 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11312 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11313 String newMountPath = null; 11314 if (PackageHelper.isContainerMounted(cid)) { 11315 // Unmount the container 11316 if (!PackageHelper.unMountSdDir(cid)) { 11317 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11318 return false; 11319 } 11320 } 11321 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11322 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11323 " which might be stale. Will try to clean up."); 11324 // Clean up the stale container and proceed to recreate. 11325 if (!PackageHelper.destroySdDir(newCacheId)) { 11326 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11327 return false; 11328 } 11329 // Successfully cleaned up stale container. Try to rename again. 11330 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11331 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11332 + " inspite of cleaning it up."); 11333 return false; 11334 } 11335 } 11336 if (!PackageHelper.isContainerMounted(newCacheId)) { 11337 Slog.w(TAG, "Mounting container " + newCacheId); 11338 newMountPath = PackageHelper.mountSdDir(newCacheId, 11339 getEncryptKey(), Process.SYSTEM_UID); 11340 } else { 11341 newMountPath = PackageHelper.getSdDir(newCacheId); 11342 } 11343 if (newMountPath == null) { 11344 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11345 return false; 11346 } 11347 Log.i(TAG, "Succesfully renamed " + cid + 11348 " to " + newCacheId + 11349 " at new path: " + newMountPath); 11350 cid = newCacheId; 11351 11352 final File beforeCodeFile = new File(packagePath); 11353 setMountPath(newMountPath); 11354 final File afterCodeFile = new File(packagePath); 11355 11356 // Reflect the rename in scanned details 11357 pkg.codePath = afterCodeFile.getAbsolutePath(); 11358 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11359 pkg.baseCodePath); 11360 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11361 pkg.splitCodePaths); 11362 11363 // Reflect the rename in app info 11364 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11365 pkg.applicationInfo.setCodePath(pkg.codePath); 11366 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11367 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11368 pkg.applicationInfo.setResourcePath(pkg.codePath); 11369 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11370 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11371 11372 return true; 11373 } 11374 11375 private void setMountPath(String mountPath) { 11376 final File mountFile = new File(mountPath); 11377 11378 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11379 if (monolithicFile.exists()) { 11380 packagePath = monolithicFile.getAbsolutePath(); 11381 if (isFwdLocked()) { 11382 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11383 } else { 11384 resourcePath = packagePath; 11385 } 11386 } else { 11387 packagePath = mountFile.getAbsolutePath(); 11388 resourcePath = packagePath; 11389 } 11390 } 11391 11392 int doPostInstall(int status, int uid) { 11393 if (status != PackageManager.INSTALL_SUCCEEDED) { 11394 cleanUp(); 11395 } else { 11396 final int groupOwner; 11397 final String protectedFile; 11398 if (isFwdLocked()) { 11399 groupOwner = UserHandle.getSharedAppGid(uid); 11400 protectedFile = RES_FILE_NAME; 11401 } else { 11402 groupOwner = -1; 11403 protectedFile = null; 11404 } 11405 11406 if (uid < Process.FIRST_APPLICATION_UID 11407 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11408 Slog.e(TAG, "Failed to finalize " + cid); 11409 PackageHelper.destroySdDir(cid); 11410 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11411 } 11412 11413 boolean mounted = PackageHelper.isContainerMounted(cid); 11414 if (!mounted) { 11415 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11416 } 11417 } 11418 return status; 11419 } 11420 11421 private void cleanUp() { 11422 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11423 11424 // Destroy secure container 11425 PackageHelper.destroySdDir(cid); 11426 } 11427 11428 private List<String> getAllCodePaths() { 11429 final File codeFile = new File(getCodePath()); 11430 if (codeFile != null && codeFile.exists()) { 11431 try { 11432 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11433 return pkg.getAllCodePaths(); 11434 } catch (PackageParserException e) { 11435 // Ignored; we tried our best 11436 } 11437 } 11438 return Collections.EMPTY_LIST; 11439 } 11440 11441 void cleanUpResourcesLI() { 11442 // Enumerate all code paths before deleting 11443 cleanUpResourcesLI(getAllCodePaths()); 11444 } 11445 11446 private void cleanUpResourcesLI(List<String> allCodePaths) { 11447 cleanUp(); 11448 removeDexFiles(allCodePaths, instructionSets); 11449 } 11450 11451 String getPackageName() { 11452 return getAsecPackageName(cid); 11453 } 11454 11455 boolean doPostDeleteLI(boolean delete) { 11456 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11457 final List<String> allCodePaths = getAllCodePaths(); 11458 boolean mounted = PackageHelper.isContainerMounted(cid); 11459 if (mounted) { 11460 // Unmount first 11461 if (PackageHelper.unMountSdDir(cid)) { 11462 mounted = false; 11463 } 11464 } 11465 if (!mounted && delete) { 11466 cleanUpResourcesLI(allCodePaths); 11467 } 11468 return !mounted; 11469 } 11470 11471 @Override 11472 int doPreCopy() { 11473 if (isFwdLocked()) { 11474 if (!PackageHelper.fixSdPermissions(cid, 11475 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11476 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11477 } 11478 } 11479 11480 return PackageManager.INSTALL_SUCCEEDED; 11481 } 11482 11483 @Override 11484 int doPostCopy(int uid) { 11485 if (isFwdLocked()) { 11486 if (uid < Process.FIRST_APPLICATION_UID 11487 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11488 RES_FILE_NAME)) { 11489 Slog.e(TAG, "Failed to finalize " + cid); 11490 PackageHelper.destroySdDir(cid); 11491 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11492 } 11493 } 11494 11495 return PackageManager.INSTALL_SUCCEEDED; 11496 } 11497 } 11498 11499 /** 11500 * Logic to handle movement of existing installed applications. 11501 */ 11502 class MoveInstallArgs extends InstallArgs { 11503 private File codeFile; 11504 private File resourceFile; 11505 11506 /** New install */ 11507 MoveInstallArgs(InstallParams params) { 11508 super(params.origin, params.move, params.observer, params.installFlags, 11509 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11510 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11511 params.grantedRuntimePermissions); 11512 } 11513 11514 int copyApk(IMediaContainerService imcs, boolean temp) { 11515 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11516 + move.fromUuid + " to " + move.toUuid); 11517 synchronized (mInstaller) { 11518 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11519 move.dataAppName, move.appId, move.seinfo) != 0) { 11520 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11521 } 11522 } 11523 11524 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11525 resourceFile = codeFile; 11526 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11527 11528 return PackageManager.INSTALL_SUCCEEDED; 11529 } 11530 11531 int doPreInstall(int status) { 11532 if (status != PackageManager.INSTALL_SUCCEEDED) { 11533 cleanUp(move.toUuid); 11534 } 11535 return status; 11536 } 11537 11538 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11539 if (status != PackageManager.INSTALL_SUCCEEDED) { 11540 cleanUp(move.toUuid); 11541 return false; 11542 } 11543 11544 // Reflect the move in app info 11545 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11546 pkg.applicationInfo.setCodePath(pkg.codePath); 11547 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11548 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11549 pkg.applicationInfo.setResourcePath(pkg.codePath); 11550 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11551 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11552 11553 return true; 11554 } 11555 11556 int doPostInstall(int status, int uid) { 11557 if (status == PackageManager.INSTALL_SUCCEEDED) { 11558 cleanUp(move.fromUuid); 11559 } else { 11560 cleanUp(move.toUuid); 11561 } 11562 return status; 11563 } 11564 11565 @Override 11566 String getCodePath() { 11567 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11568 } 11569 11570 @Override 11571 String getResourcePath() { 11572 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11573 } 11574 11575 private boolean cleanUp(String volumeUuid) { 11576 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11577 move.dataAppName); 11578 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11579 synchronized (mInstallLock) { 11580 // Clean up both app data and code 11581 removeDataDirsLI(volumeUuid, move.packageName); 11582 if (codeFile.isDirectory()) { 11583 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11584 } else { 11585 codeFile.delete(); 11586 } 11587 } 11588 return true; 11589 } 11590 11591 void cleanUpResourcesLI() { 11592 throw new UnsupportedOperationException(); 11593 } 11594 11595 boolean doPostDeleteLI(boolean delete) { 11596 throw new UnsupportedOperationException(); 11597 } 11598 } 11599 11600 static String getAsecPackageName(String packageCid) { 11601 int idx = packageCid.lastIndexOf("-"); 11602 if (idx == -1) { 11603 return packageCid; 11604 } 11605 return packageCid.substring(0, idx); 11606 } 11607 11608 // Utility method used to create code paths based on package name and available index. 11609 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11610 String idxStr = ""; 11611 int idx = 1; 11612 // Fall back to default value of idx=1 if prefix is not 11613 // part of oldCodePath 11614 if (oldCodePath != null) { 11615 String subStr = oldCodePath; 11616 // Drop the suffix right away 11617 if (suffix != null && subStr.endsWith(suffix)) { 11618 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11619 } 11620 // If oldCodePath already contains prefix find out the 11621 // ending index to either increment or decrement. 11622 int sidx = subStr.lastIndexOf(prefix); 11623 if (sidx != -1) { 11624 subStr = subStr.substring(sidx + prefix.length()); 11625 if (subStr != null) { 11626 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11627 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11628 } 11629 try { 11630 idx = Integer.parseInt(subStr); 11631 if (idx <= 1) { 11632 idx++; 11633 } else { 11634 idx--; 11635 } 11636 } catch(NumberFormatException e) { 11637 } 11638 } 11639 } 11640 } 11641 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11642 return prefix + idxStr; 11643 } 11644 11645 private File getNextCodePath(File targetDir, String packageName) { 11646 int suffix = 1; 11647 File result; 11648 do { 11649 result = new File(targetDir, packageName + "-" + suffix); 11650 suffix++; 11651 } while (result.exists()); 11652 return result; 11653 } 11654 11655 // Utility method that returns the relative package path with respect 11656 // to the installation directory. Like say for /data/data/com.test-1.apk 11657 // string com.test-1 is returned. 11658 static String deriveCodePathName(String codePath) { 11659 if (codePath == null) { 11660 return null; 11661 } 11662 final File codeFile = new File(codePath); 11663 final String name = codeFile.getName(); 11664 if (codeFile.isDirectory()) { 11665 return name; 11666 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11667 final int lastDot = name.lastIndexOf('.'); 11668 return name.substring(0, lastDot); 11669 } else { 11670 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11671 return null; 11672 } 11673 } 11674 11675 class PackageInstalledInfo { 11676 String name; 11677 int uid; 11678 // The set of users that originally had this package installed. 11679 int[] origUsers; 11680 // The set of users that now have this package installed. 11681 int[] newUsers; 11682 PackageParser.Package pkg; 11683 int returnCode; 11684 String returnMsg; 11685 PackageRemovedInfo removedInfo; 11686 11687 public void setError(int code, String msg) { 11688 returnCode = code; 11689 returnMsg = msg; 11690 Slog.w(TAG, msg); 11691 } 11692 11693 public void setError(String msg, PackageParserException e) { 11694 returnCode = e.error; 11695 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11696 Slog.w(TAG, msg, e); 11697 } 11698 11699 public void setError(String msg, PackageManagerException e) { 11700 returnCode = e.error; 11701 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11702 Slog.w(TAG, msg, e); 11703 } 11704 11705 // In some error cases we want to convey more info back to the observer 11706 String origPackage; 11707 String origPermission; 11708 } 11709 11710 /* 11711 * Install a non-existing package. 11712 */ 11713 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11714 UserHandle user, String installerPackageName, String volumeUuid, 11715 PackageInstalledInfo res) { 11716 // Remember this for later, in case we need to rollback this install 11717 String pkgName = pkg.packageName; 11718 11719 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11720 final boolean dataDirExists = Environment 11721 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11722 synchronized(mPackages) { 11723 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11724 // A package with the same name is already installed, though 11725 // it has been renamed to an older name. The package we 11726 // are trying to install should be installed as an update to 11727 // the existing one, but that has not been requested, so bail. 11728 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11729 + " without first uninstalling package running as " 11730 + mSettings.mRenamedPackages.get(pkgName)); 11731 return; 11732 } 11733 if (mPackages.containsKey(pkgName)) { 11734 // Don't allow installation over an existing package with the same name. 11735 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11736 + " without first uninstalling."); 11737 return; 11738 } 11739 } 11740 11741 try { 11742 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11743 System.currentTimeMillis(), user); 11744 11745 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11746 // delete the partially installed application. the data directory will have to be 11747 // restored if it was already existing 11748 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11749 // remove package from internal structures. Note that we want deletePackageX to 11750 // delete the package data and cache directories that it created in 11751 // scanPackageLocked, unless those directories existed before we even tried to 11752 // install. 11753 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11754 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11755 res.removedInfo, true); 11756 } 11757 11758 } catch (PackageManagerException e) { 11759 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11760 } 11761 } 11762 11763 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11764 // Can't rotate keys during boot or if sharedUser. 11765 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11766 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11767 return false; 11768 } 11769 // app is using upgradeKeySets; make sure all are valid 11770 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11771 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11772 for (int i = 0; i < upgradeKeySets.length; i++) { 11773 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11774 Slog.wtf(TAG, "Package " 11775 + (oldPs.name != null ? oldPs.name : "<null>") 11776 + " contains upgrade-key-set reference to unknown key-set: " 11777 + upgradeKeySets[i] 11778 + " reverting to signatures check."); 11779 return false; 11780 } 11781 } 11782 return true; 11783 } 11784 11785 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11786 // Upgrade keysets are being used. Determine if new package has a superset of the 11787 // required keys. 11788 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11789 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11790 for (int i = 0; i < upgradeKeySets.length; i++) { 11791 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11792 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11793 return true; 11794 } 11795 } 11796 return false; 11797 } 11798 11799 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11800 UserHandle user, String installerPackageName, String volumeUuid, 11801 PackageInstalledInfo res) { 11802 final PackageParser.Package oldPackage; 11803 final String pkgName = pkg.packageName; 11804 final int[] allUsers; 11805 final boolean[] perUserInstalled; 11806 11807 // First find the old package info and check signatures 11808 synchronized(mPackages) { 11809 oldPackage = mPackages.get(pkgName); 11810 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11811 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11812 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11813 if(!checkUpgradeKeySetLP(ps, pkg)) { 11814 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11815 "New package not signed by keys specified by upgrade-keysets: " 11816 + pkgName); 11817 return; 11818 } 11819 } else { 11820 // default to original signature matching 11821 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11822 != PackageManager.SIGNATURE_MATCH) { 11823 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11824 "New package has a different signature: " + pkgName); 11825 return; 11826 } 11827 } 11828 11829 // In case of rollback, remember per-user/profile install state 11830 allUsers = sUserManager.getUserIds(); 11831 perUserInstalled = new boolean[allUsers.length]; 11832 for (int i = 0; i < allUsers.length; i++) { 11833 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11834 } 11835 } 11836 11837 boolean sysPkg = (isSystemApp(oldPackage)); 11838 if (sysPkg) { 11839 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11840 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11841 } else { 11842 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11843 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11844 } 11845 } 11846 11847 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11848 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11849 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11850 String volumeUuid, PackageInstalledInfo res) { 11851 String pkgName = deletedPackage.packageName; 11852 boolean deletedPkg = true; 11853 boolean updatedSettings = false; 11854 11855 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11856 + deletedPackage); 11857 long origUpdateTime; 11858 if (pkg.mExtras != null) { 11859 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11860 } else { 11861 origUpdateTime = 0; 11862 } 11863 11864 // First delete the existing package while retaining the data directory 11865 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11866 res.removedInfo, true)) { 11867 // If the existing package wasn't successfully deleted 11868 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11869 deletedPkg = false; 11870 } else { 11871 // Successfully deleted the old package; proceed with replace. 11872 11873 // If deleted package lived in a container, give users a chance to 11874 // relinquish resources before killing. 11875 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11876 if (DEBUG_INSTALL) { 11877 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11878 } 11879 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11880 final ArrayList<String> pkgList = new ArrayList<String>(1); 11881 pkgList.add(deletedPackage.applicationInfo.packageName); 11882 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11883 } 11884 11885 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11886 try { 11887 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11888 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11889 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11890 perUserInstalled, res, user); 11891 updatedSettings = true; 11892 } catch (PackageManagerException e) { 11893 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11894 } 11895 } 11896 11897 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11898 // remove package from internal structures. Note that we want deletePackageX to 11899 // delete the package data and cache directories that it created in 11900 // scanPackageLocked, unless those directories existed before we even tried to 11901 // install. 11902 if(updatedSettings) { 11903 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11904 deletePackageLI( 11905 pkgName, null, true, allUsers, perUserInstalled, 11906 PackageManager.DELETE_KEEP_DATA, 11907 res.removedInfo, true); 11908 } 11909 // Since we failed to install the new package we need to restore the old 11910 // package that we deleted. 11911 if (deletedPkg) { 11912 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11913 File restoreFile = new File(deletedPackage.codePath); 11914 // Parse old package 11915 boolean oldExternal = isExternal(deletedPackage); 11916 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11917 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11918 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11919 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11920 try { 11921 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11922 } catch (PackageManagerException e) { 11923 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11924 + e.getMessage()); 11925 return; 11926 } 11927 // Restore of old package succeeded. Update permissions. 11928 // writer 11929 synchronized (mPackages) { 11930 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11931 UPDATE_PERMISSIONS_ALL); 11932 // can downgrade to reader 11933 mSettings.writeLPr(); 11934 } 11935 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11936 } 11937 } 11938 } 11939 11940 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11941 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11942 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11943 String volumeUuid, PackageInstalledInfo res) { 11944 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11945 + ", old=" + deletedPackage); 11946 boolean disabledSystem = false; 11947 boolean updatedSettings = false; 11948 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11949 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11950 != 0) { 11951 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11952 } 11953 String packageName = deletedPackage.packageName; 11954 if (packageName == null) { 11955 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11956 "Attempt to delete null packageName."); 11957 return; 11958 } 11959 PackageParser.Package oldPkg; 11960 PackageSetting oldPkgSetting; 11961 // reader 11962 synchronized (mPackages) { 11963 oldPkg = mPackages.get(packageName); 11964 oldPkgSetting = mSettings.mPackages.get(packageName); 11965 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 11966 (oldPkgSetting == null)) { 11967 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11968 "Couldn't find package:" + packageName + " information"); 11969 return; 11970 } 11971 } 11972 11973 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 11974 11975 res.removedInfo.uid = oldPkg.applicationInfo.uid; 11976 res.removedInfo.removedPackage = packageName; 11977 // Remove existing system package 11978 removePackageLI(oldPkgSetting, true); 11979 // writer 11980 synchronized (mPackages) { 11981 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 11982 if (!disabledSystem && deletedPackage != null) { 11983 // We didn't need to disable the .apk as a current system package, 11984 // which means we are replacing another update that is already 11985 // installed. We need to make sure to delete the older one's .apk. 11986 res.removedInfo.args = createInstallArgsForExisting(0, 11987 deletedPackage.applicationInfo.getCodePath(), 11988 deletedPackage.applicationInfo.getResourcePath(), 11989 getAppDexInstructionSets(deletedPackage.applicationInfo)); 11990 } else { 11991 res.removedInfo.args = null; 11992 } 11993 } 11994 11995 // Successfully disabled the old package. Now proceed with re-installation 11996 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 11997 11998 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 11999 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12000 12001 PackageParser.Package newPackage = null; 12002 try { 12003 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 12004 if (newPackage.mExtras != null) { 12005 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12006 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12007 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12008 12009 // is the update attempting to change shared user? that isn't going to work... 12010 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12011 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12012 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12013 + " to " + newPkgSetting.sharedUser); 12014 updatedSettings = true; 12015 } 12016 } 12017 12018 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12019 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12020 perUserInstalled, res, user); 12021 updatedSettings = true; 12022 } 12023 12024 } catch (PackageManagerException e) { 12025 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12026 } 12027 12028 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12029 // Re installation failed. Restore old information 12030 // Remove new pkg information 12031 if (newPackage != null) { 12032 removeInstalledPackageLI(newPackage, true); 12033 } 12034 // Add back the old system package 12035 try { 12036 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12037 } catch (PackageManagerException e) { 12038 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12039 } 12040 // Restore the old system information in Settings 12041 synchronized (mPackages) { 12042 if (disabledSystem) { 12043 mSettings.enableSystemPackageLPw(packageName); 12044 } 12045 if (updatedSettings) { 12046 mSettings.setInstallerPackageName(packageName, 12047 oldPkgSetting.installerPackageName); 12048 } 12049 mSettings.writeLPr(); 12050 } 12051 } 12052 } 12053 12054 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12055 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12056 UserHandle user) { 12057 String pkgName = newPackage.packageName; 12058 synchronized (mPackages) { 12059 //write settings. the installStatus will be incomplete at this stage. 12060 //note that the new package setting would have already been 12061 //added to mPackages. It hasn't been persisted yet. 12062 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12063 mSettings.writeLPr(); 12064 } 12065 12066 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12067 12068 synchronized (mPackages) { 12069 updatePermissionsLPw(newPackage.packageName, newPackage, 12070 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12071 ? UPDATE_PERMISSIONS_ALL : 0)); 12072 // For system-bundled packages, we assume that installing an upgraded version 12073 // of the package implies that the user actually wants to run that new code, 12074 // so we enable the package. 12075 PackageSetting ps = mSettings.mPackages.get(pkgName); 12076 if (ps != null) { 12077 if (isSystemApp(newPackage)) { 12078 // NB: implicit assumption that system package upgrades apply to all users 12079 if (DEBUG_INSTALL) { 12080 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12081 } 12082 if (res.origUsers != null) { 12083 for (int userHandle : res.origUsers) { 12084 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12085 userHandle, installerPackageName); 12086 } 12087 } 12088 // Also convey the prior install/uninstall state 12089 if (allUsers != null && perUserInstalled != null) { 12090 for (int i = 0; i < allUsers.length; i++) { 12091 if (DEBUG_INSTALL) { 12092 Slog.d(TAG, " user " + allUsers[i] 12093 + " => " + perUserInstalled[i]); 12094 } 12095 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12096 } 12097 // these install state changes will be persisted in the 12098 // upcoming call to mSettings.writeLPr(). 12099 } 12100 } 12101 // It's implied that when a user requests installation, they want the app to be 12102 // installed and enabled. 12103 int userId = user.getIdentifier(); 12104 if (userId != UserHandle.USER_ALL) { 12105 ps.setInstalled(true, userId); 12106 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12107 } 12108 } 12109 res.name = pkgName; 12110 res.uid = newPackage.applicationInfo.uid; 12111 res.pkg = newPackage; 12112 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12113 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12114 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12115 //to update install status 12116 mSettings.writeLPr(); 12117 } 12118 } 12119 12120 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12121 final int installFlags = args.installFlags; 12122 final String installerPackageName = args.installerPackageName; 12123 final String volumeUuid = args.volumeUuid; 12124 final File tmpPackageFile = new File(args.getCodePath()); 12125 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12126 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12127 || (args.volumeUuid != null)); 12128 boolean replace = false; 12129 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12130 if (args.move != null) { 12131 // moving a complete application; perfom an initial scan on the new install location 12132 scanFlags |= SCAN_INITIAL; 12133 } 12134 // Result object to be returned 12135 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12136 12137 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12138 // Retrieve PackageSettings and parse package 12139 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12140 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12141 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12142 PackageParser pp = new PackageParser(); 12143 pp.setSeparateProcesses(mSeparateProcesses); 12144 pp.setDisplayMetrics(mMetrics); 12145 12146 final PackageParser.Package pkg; 12147 try { 12148 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12149 } catch (PackageParserException e) { 12150 res.setError("Failed parse during installPackageLI", e); 12151 return; 12152 } 12153 12154 // Mark that we have an install time CPU ABI override. 12155 pkg.cpuAbiOverride = args.abiOverride; 12156 12157 String pkgName = res.name = pkg.packageName; 12158 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12159 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12160 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12161 return; 12162 } 12163 } 12164 12165 try { 12166 pp.collectCertificates(pkg, parseFlags); 12167 pp.collectManifestDigest(pkg); 12168 } catch (PackageParserException e) { 12169 res.setError("Failed collect during installPackageLI", e); 12170 return; 12171 } 12172 12173 /* If the installer passed in a manifest digest, compare it now. */ 12174 if (args.manifestDigest != null) { 12175 if (DEBUG_INSTALL) { 12176 final String parsedManifest = pkg.manifestDigest == null ? "null" 12177 : pkg.manifestDigest.toString(); 12178 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12179 + parsedManifest); 12180 } 12181 12182 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12183 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12184 return; 12185 } 12186 } else if (DEBUG_INSTALL) { 12187 final String parsedManifest = pkg.manifestDigest == null 12188 ? "null" : pkg.manifestDigest.toString(); 12189 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12190 } 12191 12192 // Get rid of all references to package scan path via parser. 12193 pp = null; 12194 String oldCodePath = null; 12195 boolean systemApp = false; 12196 synchronized (mPackages) { 12197 // Check if installing already existing package 12198 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12199 String oldName = mSettings.mRenamedPackages.get(pkgName); 12200 if (pkg.mOriginalPackages != null 12201 && pkg.mOriginalPackages.contains(oldName) 12202 && mPackages.containsKey(oldName)) { 12203 // This package is derived from an original package, 12204 // and this device has been updating from that original 12205 // name. We must continue using the original name, so 12206 // rename the new package here. 12207 pkg.setPackageName(oldName); 12208 pkgName = pkg.packageName; 12209 replace = true; 12210 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12211 + oldName + " pkgName=" + pkgName); 12212 } else if (mPackages.containsKey(pkgName)) { 12213 // This package, under its official name, already exists 12214 // on the device; we should replace it. 12215 replace = true; 12216 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12217 } 12218 12219 // Prevent apps opting out from runtime permissions 12220 if (replace) { 12221 PackageParser.Package oldPackage = mPackages.get(pkgName); 12222 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12223 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12224 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12225 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12226 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12227 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12228 + " doesn't support runtime permissions but the old" 12229 + " target SDK " + oldTargetSdk + " does."); 12230 return; 12231 } 12232 } 12233 } 12234 12235 PackageSetting ps = mSettings.mPackages.get(pkgName); 12236 if (ps != null) { 12237 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12238 12239 // Quick sanity check that we're signed correctly if updating; 12240 // we'll check this again later when scanning, but we want to 12241 // bail early here before tripping over redefined permissions. 12242 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12243 if (!checkUpgradeKeySetLP(ps, pkg)) { 12244 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12245 + pkg.packageName + " upgrade keys do not match the " 12246 + "previously installed version"); 12247 return; 12248 } 12249 } else { 12250 try { 12251 verifySignaturesLP(ps, pkg); 12252 } catch (PackageManagerException e) { 12253 res.setError(e.error, e.getMessage()); 12254 return; 12255 } 12256 } 12257 12258 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12259 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12260 systemApp = (ps.pkg.applicationInfo.flags & 12261 ApplicationInfo.FLAG_SYSTEM) != 0; 12262 } 12263 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12264 } 12265 12266 // Check whether the newly-scanned package wants to define an already-defined perm 12267 int N = pkg.permissions.size(); 12268 for (int i = N-1; i >= 0; i--) { 12269 PackageParser.Permission perm = pkg.permissions.get(i); 12270 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12271 if (bp != null) { 12272 // If the defining package is signed with our cert, it's okay. This 12273 // also includes the "updating the same package" case, of course. 12274 // "updating same package" could also involve key-rotation. 12275 final boolean sigsOk; 12276 if (bp.sourcePackage.equals(pkg.packageName) 12277 && (bp.packageSetting instanceof PackageSetting) 12278 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12279 scanFlags))) { 12280 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12281 } else { 12282 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12283 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12284 } 12285 if (!sigsOk) { 12286 // If the owning package is the system itself, we log but allow 12287 // install to proceed; we fail the install on all other permission 12288 // redefinitions. 12289 if (!bp.sourcePackage.equals("android")) { 12290 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12291 + pkg.packageName + " attempting to redeclare permission " 12292 + perm.info.name + " already owned by " + bp.sourcePackage); 12293 res.origPermission = perm.info.name; 12294 res.origPackage = bp.sourcePackage; 12295 return; 12296 } else { 12297 Slog.w(TAG, "Package " + pkg.packageName 12298 + " attempting to redeclare system permission " 12299 + perm.info.name + "; ignoring new declaration"); 12300 pkg.permissions.remove(i); 12301 } 12302 } 12303 } 12304 } 12305 12306 } 12307 12308 if (systemApp && onExternal) { 12309 // Disable updates to system apps on sdcard 12310 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12311 "Cannot install updates to system apps on sdcard"); 12312 return; 12313 } 12314 12315 if (args.move != null) { 12316 // We did an in-place move, so dex is ready to roll 12317 scanFlags |= SCAN_NO_DEX; 12318 scanFlags |= SCAN_MOVE; 12319 12320 synchronized (mPackages) { 12321 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12322 if (ps == null) { 12323 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12324 "Missing settings for moved package " + pkgName); 12325 } 12326 12327 // We moved the entire application as-is, so bring over the 12328 // previously derived ABI information. 12329 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12330 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12331 } 12332 12333 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12334 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12335 scanFlags |= SCAN_NO_DEX; 12336 12337 try { 12338 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12339 true /* extract libs */); 12340 } catch (PackageManagerException pme) { 12341 Slog.e(TAG, "Error deriving application ABI", pme); 12342 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12343 return; 12344 } 12345 12346 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12347 int result = mPackageDexOptimizer 12348 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12349 false /* defer */, false /* inclDependencies */, 12350 true /*bootComplete*/, false /*useJit*/); 12351 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12352 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12353 return; 12354 } 12355 } 12356 12357 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12358 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12359 return; 12360 } 12361 12362 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12363 12364 if (replace) { 12365 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12366 installerPackageName, volumeUuid, res); 12367 } else { 12368 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12369 args.user, installerPackageName, volumeUuid, res); 12370 } 12371 synchronized (mPackages) { 12372 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12373 if (ps != null) { 12374 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12375 } 12376 } 12377 } 12378 12379 private void startIntentFilterVerifications(int userId, boolean replacing, 12380 PackageParser.Package pkg) { 12381 if (mIntentFilterVerifierComponent == null) { 12382 Slog.w(TAG, "No IntentFilter verification will not be done as " 12383 + "there is no IntentFilterVerifier available!"); 12384 return; 12385 } 12386 12387 final int verifierUid = getPackageUid( 12388 mIntentFilterVerifierComponent.getPackageName(), 12389 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12390 12391 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12392 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12393 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12394 mHandler.sendMessage(msg); 12395 } 12396 12397 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12398 PackageParser.Package pkg) { 12399 int size = pkg.activities.size(); 12400 if (size == 0) { 12401 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12402 "No activity, so no need to verify any IntentFilter!"); 12403 return; 12404 } 12405 12406 final boolean hasDomainURLs = hasDomainURLs(pkg); 12407 if (!hasDomainURLs) { 12408 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12409 "No domain URLs, so no need to verify any IntentFilter!"); 12410 return; 12411 } 12412 12413 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12414 + " if any IntentFilter from the " + size 12415 + " Activities needs verification ..."); 12416 12417 int count = 0; 12418 final String packageName = pkg.packageName; 12419 12420 synchronized (mPackages) { 12421 // If this is a new install and we see that we've already run verification for this 12422 // package, we have nothing to do: it means the state was restored from backup. 12423 if (!replacing) { 12424 IntentFilterVerificationInfo ivi = 12425 mSettings.getIntentFilterVerificationLPr(packageName); 12426 if (ivi != null) { 12427 if (DEBUG_DOMAIN_VERIFICATION) { 12428 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12429 + ivi.getStatusString()); 12430 } 12431 return; 12432 } 12433 } 12434 12435 // If any filters need to be verified, then all need to be. 12436 boolean needToVerify = false; 12437 for (PackageParser.Activity a : pkg.activities) { 12438 for (ActivityIntentInfo filter : a.intents) { 12439 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12440 if (DEBUG_DOMAIN_VERIFICATION) { 12441 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12442 } 12443 needToVerify = true; 12444 break; 12445 } 12446 } 12447 } 12448 12449 if (needToVerify) { 12450 final int verificationId = mIntentFilterVerificationToken++; 12451 for (PackageParser.Activity a : pkg.activities) { 12452 for (ActivityIntentInfo filter : a.intents) { 12453 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12454 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12455 "Verification needed for IntentFilter:" + filter.toString()); 12456 mIntentFilterVerifier.addOneIntentFilterVerification( 12457 verifierUid, userId, verificationId, filter, packageName); 12458 count++; 12459 } 12460 } 12461 } 12462 } 12463 } 12464 12465 if (count > 0) { 12466 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12467 + " IntentFilter verification" + (count > 1 ? "s" : "") 12468 + " for userId:" + userId); 12469 mIntentFilterVerifier.startVerifications(userId); 12470 } else { 12471 if (DEBUG_DOMAIN_VERIFICATION) { 12472 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12473 } 12474 } 12475 } 12476 12477 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12478 final ComponentName cn = filter.activity.getComponentName(); 12479 final String packageName = cn.getPackageName(); 12480 12481 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12482 packageName); 12483 if (ivi == null) { 12484 return true; 12485 } 12486 int status = ivi.getStatus(); 12487 switch (status) { 12488 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12489 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12490 return true; 12491 12492 default: 12493 // Nothing to do 12494 return false; 12495 } 12496 } 12497 12498 private static boolean isMultiArch(PackageSetting ps) { 12499 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12500 } 12501 12502 private static boolean isMultiArch(ApplicationInfo info) { 12503 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12504 } 12505 12506 private static boolean isExternal(PackageParser.Package pkg) { 12507 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12508 } 12509 12510 private static boolean isExternal(PackageSetting ps) { 12511 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12512 } 12513 12514 private static boolean isExternal(ApplicationInfo info) { 12515 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12516 } 12517 12518 private static boolean isSystemApp(PackageParser.Package pkg) { 12519 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12520 } 12521 12522 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12523 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12524 } 12525 12526 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12527 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12528 } 12529 12530 private static boolean isSystemApp(PackageSetting ps) { 12531 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12532 } 12533 12534 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12535 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12536 } 12537 12538 private int packageFlagsToInstallFlags(PackageSetting ps) { 12539 int installFlags = 0; 12540 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12541 // This existing package was an external ASEC install when we have 12542 // the external flag without a UUID 12543 installFlags |= PackageManager.INSTALL_EXTERNAL; 12544 } 12545 if (ps.isForwardLocked()) { 12546 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12547 } 12548 return installFlags; 12549 } 12550 12551 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12552 if (isExternal(pkg)) { 12553 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12554 return mSettings.getExternalVersion(); 12555 } else { 12556 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12557 } 12558 } else { 12559 return mSettings.getInternalVersion(); 12560 } 12561 } 12562 12563 private void deleteTempPackageFiles() { 12564 final FilenameFilter filter = new FilenameFilter() { 12565 public boolean accept(File dir, String name) { 12566 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12567 } 12568 }; 12569 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12570 file.delete(); 12571 } 12572 } 12573 12574 @Override 12575 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12576 int flags) { 12577 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12578 flags); 12579 } 12580 12581 @Override 12582 public void deletePackage(final String packageName, 12583 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12584 mContext.enforceCallingOrSelfPermission( 12585 android.Manifest.permission.DELETE_PACKAGES, null); 12586 Preconditions.checkNotNull(packageName); 12587 Preconditions.checkNotNull(observer); 12588 final int uid = Binder.getCallingUid(); 12589 if (UserHandle.getUserId(uid) != userId) { 12590 mContext.enforceCallingPermission( 12591 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12592 "deletePackage for user " + userId); 12593 } 12594 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12595 try { 12596 observer.onPackageDeleted(packageName, 12597 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12598 } catch (RemoteException re) { 12599 } 12600 return; 12601 } 12602 12603 boolean uninstallBlocked = false; 12604 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12605 int[] users = sUserManager.getUserIds(); 12606 for (int i = 0; i < users.length; ++i) { 12607 if (getBlockUninstallForUser(packageName, users[i])) { 12608 uninstallBlocked = true; 12609 break; 12610 } 12611 } 12612 } else { 12613 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12614 } 12615 if (uninstallBlocked) { 12616 try { 12617 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12618 null); 12619 } catch (RemoteException re) { 12620 } 12621 return; 12622 } 12623 12624 if (DEBUG_REMOVE) { 12625 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12626 } 12627 // Queue up an async operation since the package deletion may take a little while. 12628 mHandler.post(new Runnable() { 12629 public void run() { 12630 mHandler.removeCallbacks(this); 12631 final int returnCode = deletePackageX(packageName, userId, flags); 12632 if (observer != null) { 12633 try { 12634 observer.onPackageDeleted(packageName, returnCode, null); 12635 } catch (RemoteException e) { 12636 Log.i(TAG, "Observer no longer exists."); 12637 } //end catch 12638 } //end if 12639 } //end run 12640 }); 12641 } 12642 12643 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12644 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12645 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12646 try { 12647 if (dpm != null) { 12648 if (dpm.isDeviceOwner(packageName)) { 12649 return true; 12650 } 12651 int[] users; 12652 if (userId == UserHandle.USER_ALL) { 12653 users = sUserManager.getUserIds(); 12654 } else { 12655 users = new int[]{userId}; 12656 } 12657 for (int i = 0; i < users.length; ++i) { 12658 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12659 return true; 12660 } 12661 } 12662 } 12663 } catch (RemoteException e) { 12664 } 12665 return false; 12666 } 12667 12668 /** 12669 * This method is an internal method that could be get invoked either 12670 * to delete an installed package or to clean up a failed installation. 12671 * After deleting an installed package, a broadcast is sent to notify any 12672 * listeners that the package has been installed. For cleaning up a failed 12673 * installation, the broadcast is not necessary since the package's 12674 * installation wouldn't have sent the initial broadcast either 12675 * The key steps in deleting a package are 12676 * deleting the package information in internal structures like mPackages, 12677 * deleting the packages base directories through installd 12678 * updating mSettings to reflect current status 12679 * persisting settings for later use 12680 * sending a broadcast if necessary 12681 */ 12682 private int deletePackageX(String packageName, int userId, int flags) { 12683 final PackageRemovedInfo info = new PackageRemovedInfo(); 12684 final boolean res; 12685 12686 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12687 ? UserHandle.ALL : new UserHandle(userId); 12688 12689 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12690 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12691 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12692 } 12693 12694 boolean removedForAllUsers = false; 12695 boolean systemUpdate = false; 12696 12697 // for the uninstall-updates case and restricted profiles, remember the per- 12698 // userhandle installed state 12699 int[] allUsers; 12700 boolean[] perUserInstalled; 12701 synchronized (mPackages) { 12702 PackageSetting ps = mSettings.mPackages.get(packageName); 12703 allUsers = sUserManager.getUserIds(); 12704 perUserInstalled = new boolean[allUsers.length]; 12705 for (int i = 0; i < allUsers.length; i++) { 12706 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12707 } 12708 } 12709 12710 synchronized (mInstallLock) { 12711 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12712 res = deletePackageLI(packageName, removeForUser, 12713 true, allUsers, perUserInstalled, 12714 flags | REMOVE_CHATTY, info, true); 12715 systemUpdate = info.isRemovedPackageSystemUpdate; 12716 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12717 removedForAllUsers = true; 12718 } 12719 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12720 + " removedForAllUsers=" + removedForAllUsers); 12721 } 12722 12723 if (res) { 12724 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12725 12726 // If the removed package was a system update, the old system package 12727 // was re-enabled; we need to broadcast this information 12728 if (systemUpdate) { 12729 Bundle extras = new Bundle(1); 12730 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12731 ? info.removedAppId : info.uid); 12732 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12733 12734 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12735 extras, null, null, null); 12736 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12737 extras, null, null, null); 12738 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12739 null, packageName, null, null); 12740 } 12741 } 12742 // Force a gc here. 12743 Runtime.getRuntime().gc(); 12744 // Delete the resources here after sending the broadcast to let 12745 // other processes clean up before deleting resources. 12746 if (info.args != null) { 12747 synchronized (mInstallLock) { 12748 info.args.doPostDeleteLI(true); 12749 } 12750 } 12751 12752 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12753 } 12754 12755 class PackageRemovedInfo { 12756 String removedPackage; 12757 int uid = -1; 12758 int removedAppId = -1; 12759 int[] removedUsers = null; 12760 boolean isRemovedPackageSystemUpdate = false; 12761 // Clean up resources deleted packages. 12762 InstallArgs args = null; 12763 12764 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12765 Bundle extras = new Bundle(1); 12766 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12767 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12768 if (replacing) { 12769 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12770 } 12771 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12772 if (removedPackage != null) { 12773 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12774 extras, null, null, removedUsers); 12775 if (fullRemove && !replacing) { 12776 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12777 extras, null, null, removedUsers); 12778 } 12779 } 12780 if (removedAppId >= 0) { 12781 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12782 removedUsers); 12783 } 12784 } 12785 } 12786 12787 /* 12788 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12789 * flag is not set, the data directory is removed as well. 12790 * make sure this flag is set for partially installed apps. If not its meaningless to 12791 * delete a partially installed application. 12792 */ 12793 private void removePackageDataLI(PackageSetting ps, 12794 int[] allUserHandles, boolean[] perUserInstalled, 12795 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12796 String packageName = ps.name; 12797 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12798 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12799 // Retrieve object to delete permissions for shared user later on 12800 final PackageSetting deletedPs; 12801 // reader 12802 synchronized (mPackages) { 12803 deletedPs = mSettings.mPackages.get(packageName); 12804 if (outInfo != null) { 12805 outInfo.removedPackage = packageName; 12806 outInfo.removedUsers = deletedPs != null 12807 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12808 : null; 12809 } 12810 } 12811 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12812 removeDataDirsLI(ps.volumeUuid, packageName); 12813 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12814 } 12815 // writer 12816 synchronized (mPackages) { 12817 if (deletedPs != null) { 12818 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12819 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12820 clearDefaultBrowserIfNeeded(packageName); 12821 if (outInfo != null) { 12822 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12823 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12824 } 12825 updatePermissionsLPw(deletedPs.name, null, 0); 12826 if (deletedPs.sharedUser != null) { 12827 // Remove permissions associated with package. Since runtime 12828 // permissions are per user we have to kill the removed package 12829 // or packages running under the shared user of the removed 12830 // package if revoking the permissions requested only by the removed 12831 // package is successful and this causes a change in gids. 12832 for (int userId : UserManagerService.getInstance().getUserIds()) { 12833 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12834 userId); 12835 if (userIdToKill == UserHandle.USER_ALL 12836 || userIdToKill >= UserHandle.USER_OWNER) { 12837 // If gids changed for this user, kill all affected packages. 12838 mHandler.post(new Runnable() { 12839 @Override 12840 public void run() { 12841 // This has to happen with no lock held. 12842 killApplication(deletedPs.name, deletedPs.appId, 12843 KILL_APP_REASON_GIDS_CHANGED); 12844 } 12845 }); 12846 break; 12847 } 12848 } 12849 } 12850 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12851 } 12852 // make sure to preserve per-user disabled state if this removal was just 12853 // a downgrade of a system app to the factory package 12854 if (allUserHandles != null && perUserInstalled != null) { 12855 if (DEBUG_REMOVE) { 12856 Slog.d(TAG, "Propagating install state across downgrade"); 12857 } 12858 for (int i = 0; i < allUserHandles.length; i++) { 12859 if (DEBUG_REMOVE) { 12860 Slog.d(TAG, " user " + allUserHandles[i] 12861 + " => " + perUserInstalled[i]); 12862 } 12863 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12864 } 12865 } 12866 } 12867 // can downgrade to reader 12868 if (writeSettings) { 12869 // Save settings now 12870 mSettings.writeLPr(); 12871 } 12872 } 12873 if (outInfo != null) { 12874 // A user ID was deleted here. Go through all users and remove it 12875 // from KeyStore. 12876 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12877 } 12878 } 12879 12880 static boolean locationIsPrivileged(File path) { 12881 try { 12882 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12883 .getCanonicalPath(); 12884 return path.getCanonicalPath().startsWith(privilegedAppDir); 12885 } catch (IOException e) { 12886 Slog.e(TAG, "Unable to access code path " + path); 12887 } 12888 return false; 12889 } 12890 12891 /* 12892 * Tries to delete system package. 12893 */ 12894 private boolean deleteSystemPackageLI(PackageSetting newPs, 12895 int[] allUserHandles, boolean[] perUserInstalled, 12896 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12897 final boolean applyUserRestrictions 12898 = (allUserHandles != null) && (perUserInstalled != null); 12899 PackageSetting disabledPs = null; 12900 // Confirm if the system package has been updated 12901 // An updated system app can be deleted. This will also have to restore 12902 // the system pkg from system partition 12903 // reader 12904 synchronized (mPackages) { 12905 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12906 } 12907 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12908 + " disabledPs=" + disabledPs); 12909 if (disabledPs == null) { 12910 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12911 return false; 12912 } else if (DEBUG_REMOVE) { 12913 Slog.d(TAG, "Deleting system pkg from data partition"); 12914 } 12915 if (DEBUG_REMOVE) { 12916 if (applyUserRestrictions) { 12917 Slog.d(TAG, "Remembering install states:"); 12918 for (int i = 0; i < allUserHandles.length; i++) { 12919 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12920 } 12921 } 12922 } 12923 // Delete the updated package 12924 outInfo.isRemovedPackageSystemUpdate = true; 12925 if (disabledPs.versionCode < newPs.versionCode) { 12926 // Delete data for downgrades 12927 flags &= ~PackageManager.DELETE_KEEP_DATA; 12928 } else { 12929 // Preserve data by setting flag 12930 flags |= PackageManager.DELETE_KEEP_DATA; 12931 } 12932 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 12933 allUserHandles, perUserInstalled, outInfo, writeSettings); 12934 if (!ret) { 12935 return false; 12936 } 12937 // writer 12938 synchronized (mPackages) { 12939 // Reinstate the old system package 12940 mSettings.enableSystemPackageLPw(newPs.name); 12941 // Remove any native libraries from the upgraded package. 12942 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 12943 } 12944 // Install the system package 12945 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 12946 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 12947 if (locationIsPrivileged(disabledPs.codePath)) { 12948 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12949 } 12950 12951 final PackageParser.Package newPkg; 12952 try { 12953 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 12954 } catch (PackageManagerException e) { 12955 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 12956 return false; 12957 } 12958 12959 // writer 12960 synchronized (mPackages) { 12961 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 12962 12963 // Propagate the permissions state as we do not want to drop on the floor 12964 // runtime permissions. The update permissions method below will take 12965 // care of removing obsolete permissions and grant install permissions. 12966 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 12967 updatePermissionsLPw(newPkg.packageName, newPkg, 12968 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 12969 12970 if (applyUserRestrictions) { 12971 if (DEBUG_REMOVE) { 12972 Slog.d(TAG, "Propagating install state across reinstall"); 12973 } 12974 for (int i = 0; i < allUserHandles.length; i++) { 12975 if (DEBUG_REMOVE) { 12976 Slog.d(TAG, " user " + allUserHandles[i] 12977 + " => " + perUserInstalled[i]); 12978 } 12979 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12980 12981 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 12982 } 12983 // Regardless of writeSettings we need to ensure that this restriction 12984 // state propagation is persisted 12985 mSettings.writeAllUsersPackageRestrictionsLPr(); 12986 } 12987 // can downgrade to reader here 12988 if (writeSettings) { 12989 mSettings.writeLPr(); 12990 } 12991 } 12992 return true; 12993 } 12994 12995 private boolean deleteInstalledPackageLI(PackageSetting ps, 12996 boolean deleteCodeAndResources, int flags, 12997 int[] allUserHandles, boolean[] perUserInstalled, 12998 PackageRemovedInfo outInfo, boolean writeSettings) { 12999 if (outInfo != null) { 13000 outInfo.uid = ps.appId; 13001 } 13002 13003 // Delete package data from internal structures and also remove data if flag is set 13004 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13005 13006 // Delete application code and resources 13007 if (deleteCodeAndResources && (outInfo != null)) { 13008 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13009 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13010 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13011 } 13012 return true; 13013 } 13014 13015 @Override 13016 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13017 int userId) { 13018 mContext.enforceCallingOrSelfPermission( 13019 android.Manifest.permission.DELETE_PACKAGES, null); 13020 synchronized (mPackages) { 13021 PackageSetting ps = mSettings.mPackages.get(packageName); 13022 if (ps == null) { 13023 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13024 return false; 13025 } 13026 if (!ps.getInstalled(userId)) { 13027 // Can't block uninstall for an app that is not installed or enabled. 13028 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13029 return false; 13030 } 13031 ps.setBlockUninstall(blockUninstall, userId); 13032 mSettings.writePackageRestrictionsLPr(userId); 13033 } 13034 return true; 13035 } 13036 13037 @Override 13038 public boolean getBlockUninstallForUser(String packageName, int userId) { 13039 synchronized (mPackages) { 13040 PackageSetting ps = mSettings.mPackages.get(packageName); 13041 if (ps == null) { 13042 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13043 return false; 13044 } 13045 return ps.getBlockUninstall(userId); 13046 } 13047 } 13048 13049 /* 13050 * This method handles package deletion in general 13051 */ 13052 private boolean deletePackageLI(String packageName, UserHandle user, 13053 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13054 int flags, PackageRemovedInfo outInfo, 13055 boolean writeSettings) { 13056 if (packageName == null) { 13057 Slog.w(TAG, "Attempt to delete null packageName."); 13058 return false; 13059 } 13060 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13061 PackageSetting ps; 13062 boolean dataOnly = false; 13063 int removeUser = -1; 13064 int appId = -1; 13065 synchronized (mPackages) { 13066 ps = mSettings.mPackages.get(packageName); 13067 if (ps == null) { 13068 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13069 return false; 13070 } 13071 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13072 && user.getIdentifier() != UserHandle.USER_ALL) { 13073 // The caller is asking that the package only be deleted for a single 13074 // user. To do this, we just mark its uninstalled state and delete 13075 // its data. If this is a system app, we only allow this to happen if 13076 // they have set the special DELETE_SYSTEM_APP which requests different 13077 // semantics than normal for uninstalling system apps. 13078 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13079 final int userId = user.getIdentifier(); 13080 ps.setUserState(userId, 13081 COMPONENT_ENABLED_STATE_DEFAULT, 13082 false, //installed 13083 true, //stopped 13084 true, //notLaunched 13085 false, //hidden 13086 null, null, null, 13087 false, // blockUninstall 13088 ps.readUserState(userId).domainVerificationStatus, 0); 13089 if (!isSystemApp(ps)) { 13090 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13091 // Other user still have this package installed, so all 13092 // we need to do is clear this user's data and save that 13093 // it is uninstalled. 13094 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13095 removeUser = user.getIdentifier(); 13096 appId = ps.appId; 13097 scheduleWritePackageRestrictionsLocked(removeUser); 13098 } else { 13099 // We need to set it back to 'installed' so the uninstall 13100 // broadcasts will be sent correctly. 13101 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13102 ps.setInstalled(true, user.getIdentifier()); 13103 } 13104 } else { 13105 // This is a system app, so we assume that the 13106 // other users still have this package installed, so all 13107 // we need to do is clear this user's data and save that 13108 // it is uninstalled. 13109 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13110 removeUser = user.getIdentifier(); 13111 appId = ps.appId; 13112 scheduleWritePackageRestrictionsLocked(removeUser); 13113 } 13114 } 13115 } 13116 13117 if (removeUser >= 0) { 13118 // From above, we determined that we are deleting this only 13119 // for a single user. Continue the work here. 13120 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13121 if (outInfo != null) { 13122 outInfo.removedPackage = packageName; 13123 outInfo.removedAppId = appId; 13124 outInfo.removedUsers = new int[] {removeUser}; 13125 } 13126 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13127 removeKeystoreDataIfNeeded(removeUser, appId); 13128 schedulePackageCleaning(packageName, removeUser, false); 13129 synchronized (mPackages) { 13130 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13131 scheduleWritePackageRestrictionsLocked(removeUser); 13132 } 13133 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13134 } 13135 return true; 13136 } 13137 13138 if (dataOnly) { 13139 // Delete application data first 13140 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13141 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13142 return true; 13143 } 13144 13145 boolean ret = false; 13146 if (isSystemApp(ps)) { 13147 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13148 // When an updated system application is deleted we delete the existing resources as well and 13149 // fall back to existing code in system partition 13150 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13151 flags, outInfo, writeSettings); 13152 } else { 13153 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13154 // Kill application pre-emptively especially for apps on sd. 13155 killApplication(packageName, ps.appId, "uninstall pkg"); 13156 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13157 allUserHandles, perUserInstalled, 13158 outInfo, writeSettings); 13159 } 13160 13161 return ret; 13162 } 13163 13164 private final class ClearStorageConnection implements ServiceConnection { 13165 IMediaContainerService mContainerService; 13166 13167 @Override 13168 public void onServiceConnected(ComponentName name, IBinder service) { 13169 synchronized (this) { 13170 mContainerService = IMediaContainerService.Stub.asInterface(service); 13171 notifyAll(); 13172 } 13173 } 13174 13175 @Override 13176 public void onServiceDisconnected(ComponentName name) { 13177 } 13178 } 13179 13180 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13181 final boolean mounted; 13182 if (Environment.isExternalStorageEmulated()) { 13183 mounted = true; 13184 } else { 13185 final String status = Environment.getExternalStorageState(); 13186 13187 mounted = status.equals(Environment.MEDIA_MOUNTED) 13188 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13189 } 13190 13191 if (!mounted) { 13192 return; 13193 } 13194 13195 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13196 int[] users; 13197 if (userId == UserHandle.USER_ALL) { 13198 users = sUserManager.getUserIds(); 13199 } else { 13200 users = new int[] { userId }; 13201 } 13202 final ClearStorageConnection conn = new ClearStorageConnection(); 13203 if (mContext.bindServiceAsUser( 13204 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13205 try { 13206 for (int curUser : users) { 13207 long timeout = SystemClock.uptimeMillis() + 5000; 13208 synchronized (conn) { 13209 long now = SystemClock.uptimeMillis(); 13210 while (conn.mContainerService == null && now < timeout) { 13211 try { 13212 conn.wait(timeout - now); 13213 } catch (InterruptedException e) { 13214 } 13215 } 13216 } 13217 if (conn.mContainerService == null) { 13218 return; 13219 } 13220 13221 final UserEnvironment userEnv = new UserEnvironment(curUser); 13222 clearDirectory(conn.mContainerService, 13223 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13224 if (allData) { 13225 clearDirectory(conn.mContainerService, 13226 userEnv.buildExternalStorageAppDataDirs(packageName)); 13227 clearDirectory(conn.mContainerService, 13228 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13229 } 13230 } 13231 } finally { 13232 mContext.unbindService(conn); 13233 } 13234 } 13235 } 13236 13237 @Override 13238 public void clearApplicationUserData(final String packageName, 13239 final IPackageDataObserver observer, final int userId) { 13240 mContext.enforceCallingOrSelfPermission( 13241 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13242 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13243 // Queue up an async operation since the package deletion may take a little while. 13244 mHandler.post(new Runnable() { 13245 public void run() { 13246 mHandler.removeCallbacks(this); 13247 final boolean succeeded; 13248 synchronized (mInstallLock) { 13249 succeeded = clearApplicationUserDataLI(packageName, userId); 13250 } 13251 clearExternalStorageDataSync(packageName, userId, true); 13252 if (succeeded) { 13253 // invoke DeviceStorageMonitor's update method to clear any notifications 13254 DeviceStorageMonitorInternal 13255 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13256 if (dsm != null) { 13257 dsm.checkMemory(); 13258 } 13259 } 13260 if(observer != null) { 13261 try { 13262 observer.onRemoveCompleted(packageName, succeeded); 13263 } catch (RemoteException e) { 13264 Log.i(TAG, "Observer no longer exists."); 13265 } 13266 } //end if observer 13267 } //end run 13268 }); 13269 } 13270 13271 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13272 if (packageName == null) { 13273 Slog.w(TAG, "Attempt to delete null packageName."); 13274 return false; 13275 } 13276 13277 // Try finding details about the requested package 13278 PackageParser.Package pkg; 13279 synchronized (mPackages) { 13280 pkg = mPackages.get(packageName); 13281 if (pkg == null) { 13282 final PackageSetting ps = mSettings.mPackages.get(packageName); 13283 if (ps != null) { 13284 pkg = ps.pkg; 13285 } 13286 } 13287 13288 if (pkg == null) { 13289 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13290 return false; 13291 } 13292 13293 PackageSetting ps = (PackageSetting) pkg.mExtras; 13294 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13295 } 13296 13297 // Always delete data directories for package, even if we found no other 13298 // record of app. This helps users recover from UID mismatches without 13299 // resorting to a full data wipe. 13300 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13301 if (retCode < 0) { 13302 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13303 return false; 13304 } 13305 13306 final int appId = pkg.applicationInfo.uid; 13307 removeKeystoreDataIfNeeded(userId, appId); 13308 13309 // Create a native library symlink only if we have native libraries 13310 // and if the native libraries are 32 bit libraries. We do not provide 13311 // this symlink for 64 bit libraries. 13312 if (pkg.applicationInfo.primaryCpuAbi != null && 13313 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13314 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13315 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13316 nativeLibPath, userId) < 0) { 13317 Slog.w(TAG, "Failed linking native library dir"); 13318 return false; 13319 } 13320 } 13321 13322 return true; 13323 } 13324 13325 /** 13326 * Reverts user permission state changes (permissions and flags) in 13327 * all packages for a given user. 13328 * 13329 * @param userId The device user for which to do a reset. 13330 */ 13331 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13332 final int packageCount = mPackages.size(); 13333 for (int i = 0; i < packageCount; i++) { 13334 PackageParser.Package pkg = mPackages.valueAt(i); 13335 PackageSetting ps = (PackageSetting) pkg.mExtras; 13336 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13337 } 13338 } 13339 13340 /** 13341 * Reverts user permission state changes (permissions and flags). 13342 * 13343 * @param ps The package for which to reset. 13344 * @param userId The device user for which to do a reset. 13345 */ 13346 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13347 final PackageSetting ps, final int userId) { 13348 if (ps.pkg == null) { 13349 return; 13350 } 13351 13352 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13353 | FLAG_PERMISSION_USER_FIXED 13354 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13355 13356 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13357 | FLAG_PERMISSION_POLICY_FIXED; 13358 13359 boolean writeInstallPermissions = false; 13360 boolean writeRuntimePermissions = false; 13361 13362 final int permissionCount = ps.pkg.requestedPermissions.size(); 13363 for (int i = 0; i < permissionCount; i++) { 13364 String permission = ps.pkg.requestedPermissions.get(i); 13365 13366 BasePermission bp = mSettings.mPermissions.get(permission); 13367 if (bp == null) { 13368 continue; 13369 } 13370 13371 // If shared user we just reset the state to which only this app contributed. 13372 if (ps.sharedUser != null) { 13373 boolean used = false; 13374 final int packageCount = ps.sharedUser.packages.size(); 13375 for (int j = 0; j < packageCount; j++) { 13376 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13377 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13378 && pkg.pkg.requestedPermissions.contains(permission)) { 13379 used = true; 13380 break; 13381 } 13382 } 13383 if (used) { 13384 continue; 13385 } 13386 } 13387 13388 PermissionsState permissionsState = ps.getPermissionsState(); 13389 13390 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13391 13392 // Always clear the user settable flags. 13393 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13394 bp.name) != null; 13395 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13396 if (hasInstallState) { 13397 writeInstallPermissions = true; 13398 } else { 13399 writeRuntimePermissions = true; 13400 } 13401 } 13402 13403 // Below is only runtime permission handling. 13404 if (!bp.isRuntime()) { 13405 continue; 13406 } 13407 13408 // Never clobber system or policy. 13409 if ((oldFlags & policyOrSystemFlags) != 0) { 13410 continue; 13411 } 13412 13413 // If this permission was granted by default, make sure it is. 13414 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13415 if (permissionsState.grantRuntimePermission(bp, userId) 13416 != PERMISSION_OPERATION_FAILURE) { 13417 writeRuntimePermissions = true; 13418 } 13419 } else { 13420 // Otherwise, reset the permission. 13421 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13422 switch (revokeResult) { 13423 case PERMISSION_OPERATION_SUCCESS: { 13424 writeRuntimePermissions = true; 13425 } break; 13426 13427 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13428 writeRuntimePermissions = true; 13429 final int appId = ps.appId; 13430 mHandler.post(new Runnable() { 13431 @Override 13432 public void run() { 13433 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13434 } 13435 }); 13436 } break; 13437 } 13438 } 13439 } 13440 13441 // Synchronously write as we are taking permissions away. 13442 if (writeRuntimePermissions) { 13443 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13444 } 13445 13446 // Synchronously write as we are taking permissions away. 13447 if (writeInstallPermissions) { 13448 mSettings.writeLPr(); 13449 } 13450 } 13451 13452 /** 13453 * Remove entries from the keystore daemon. Will only remove it if the 13454 * {@code appId} is valid. 13455 */ 13456 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13457 if (appId < 0) { 13458 return; 13459 } 13460 13461 final KeyStore keyStore = KeyStore.getInstance(); 13462 if (keyStore != null) { 13463 if (userId == UserHandle.USER_ALL) { 13464 for (final int individual : sUserManager.getUserIds()) { 13465 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13466 } 13467 } else { 13468 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13469 } 13470 } else { 13471 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13472 } 13473 } 13474 13475 @Override 13476 public void deleteApplicationCacheFiles(final String packageName, 13477 final IPackageDataObserver observer) { 13478 mContext.enforceCallingOrSelfPermission( 13479 android.Manifest.permission.DELETE_CACHE_FILES, null); 13480 // Queue up an async operation since the package deletion may take a little while. 13481 final int userId = UserHandle.getCallingUserId(); 13482 mHandler.post(new Runnable() { 13483 public void run() { 13484 mHandler.removeCallbacks(this); 13485 final boolean succeded; 13486 synchronized (mInstallLock) { 13487 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13488 } 13489 clearExternalStorageDataSync(packageName, userId, false); 13490 if (observer != null) { 13491 try { 13492 observer.onRemoveCompleted(packageName, succeded); 13493 } catch (RemoteException e) { 13494 Log.i(TAG, "Observer no longer exists."); 13495 } 13496 } //end if observer 13497 } //end run 13498 }); 13499 } 13500 13501 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13502 if (packageName == null) { 13503 Slog.w(TAG, "Attempt to delete null packageName."); 13504 return false; 13505 } 13506 PackageParser.Package p; 13507 synchronized (mPackages) { 13508 p = mPackages.get(packageName); 13509 } 13510 if (p == null) { 13511 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13512 return false; 13513 } 13514 final ApplicationInfo applicationInfo = p.applicationInfo; 13515 if (applicationInfo == null) { 13516 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13517 return false; 13518 } 13519 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13520 if (retCode < 0) { 13521 Slog.w(TAG, "Couldn't remove cache files for package: " 13522 + packageName + " u" + userId); 13523 return false; 13524 } 13525 return true; 13526 } 13527 13528 @Override 13529 public void getPackageSizeInfo(final String packageName, int userHandle, 13530 final IPackageStatsObserver observer) { 13531 mContext.enforceCallingOrSelfPermission( 13532 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13533 if (packageName == null) { 13534 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13535 } 13536 13537 PackageStats stats = new PackageStats(packageName, userHandle); 13538 13539 /* 13540 * Queue up an async operation since the package measurement may take a 13541 * little while. 13542 */ 13543 Message msg = mHandler.obtainMessage(INIT_COPY); 13544 msg.obj = new MeasureParams(stats, observer); 13545 mHandler.sendMessage(msg); 13546 } 13547 13548 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13549 PackageStats pStats) { 13550 if (packageName == null) { 13551 Slog.w(TAG, "Attempt to get size of null packageName."); 13552 return false; 13553 } 13554 PackageParser.Package p; 13555 boolean dataOnly = false; 13556 String libDirRoot = null; 13557 String asecPath = null; 13558 PackageSetting ps = null; 13559 synchronized (mPackages) { 13560 p = mPackages.get(packageName); 13561 ps = mSettings.mPackages.get(packageName); 13562 if(p == null) { 13563 dataOnly = true; 13564 if((ps == null) || (ps.pkg == null)) { 13565 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13566 return false; 13567 } 13568 p = ps.pkg; 13569 } 13570 if (ps != null) { 13571 libDirRoot = ps.legacyNativeLibraryPathString; 13572 } 13573 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13574 final long token = Binder.clearCallingIdentity(); 13575 try { 13576 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13577 if (secureContainerId != null) { 13578 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13579 } 13580 } finally { 13581 Binder.restoreCallingIdentity(token); 13582 } 13583 } 13584 } 13585 String publicSrcDir = null; 13586 if(!dataOnly) { 13587 final ApplicationInfo applicationInfo = p.applicationInfo; 13588 if (applicationInfo == null) { 13589 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13590 return false; 13591 } 13592 if (p.isForwardLocked()) { 13593 publicSrcDir = applicationInfo.getBaseResourcePath(); 13594 } 13595 } 13596 // TODO: extend to measure size of split APKs 13597 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13598 // not just the first level. 13599 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13600 // just the primary. 13601 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13602 13603 String apkPath; 13604 File packageDir = new File(p.codePath); 13605 13606 if (packageDir.isDirectory() && p.canHaveOatDir()) { 13607 apkPath = packageDir.getAbsolutePath(); 13608 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 13609 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 13610 libDirRoot = null; 13611 } 13612 } else { 13613 apkPath = p.baseCodePath; 13614 } 13615 13616 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 13617 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13618 if (res < 0) { 13619 return false; 13620 } 13621 13622 // Fix-up for forward-locked applications in ASEC containers. 13623 if (!isExternal(p)) { 13624 pStats.codeSize += pStats.externalCodeSize; 13625 pStats.externalCodeSize = 0L; 13626 } 13627 13628 return true; 13629 } 13630 13631 13632 @Override 13633 public void addPackageToPreferred(String packageName) { 13634 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13635 } 13636 13637 @Override 13638 public void removePackageFromPreferred(String packageName) { 13639 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13640 } 13641 13642 @Override 13643 public List<PackageInfo> getPreferredPackages(int flags) { 13644 return new ArrayList<PackageInfo>(); 13645 } 13646 13647 private int getUidTargetSdkVersionLockedLPr(int uid) { 13648 Object obj = mSettings.getUserIdLPr(uid); 13649 if (obj instanceof SharedUserSetting) { 13650 final SharedUserSetting sus = (SharedUserSetting) obj; 13651 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13652 final Iterator<PackageSetting> it = sus.packages.iterator(); 13653 while (it.hasNext()) { 13654 final PackageSetting ps = it.next(); 13655 if (ps.pkg != null) { 13656 int v = ps.pkg.applicationInfo.targetSdkVersion; 13657 if (v < vers) vers = v; 13658 } 13659 } 13660 return vers; 13661 } else if (obj instanceof PackageSetting) { 13662 final PackageSetting ps = (PackageSetting) obj; 13663 if (ps.pkg != null) { 13664 return ps.pkg.applicationInfo.targetSdkVersion; 13665 } 13666 } 13667 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13668 } 13669 13670 @Override 13671 public void addPreferredActivity(IntentFilter filter, int match, 13672 ComponentName[] set, ComponentName activity, int userId) { 13673 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13674 "Adding preferred"); 13675 } 13676 13677 private void addPreferredActivityInternal(IntentFilter filter, int match, 13678 ComponentName[] set, ComponentName activity, boolean always, int userId, 13679 String opname) { 13680 // writer 13681 int callingUid = Binder.getCallingUid(); 13682 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13683 if (filter.countActions() == 0) { 13684 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13685 return; 13686 } 13687 synchronized (mPackages) { 13688 if (mContext.checkCallingOrSelfPermission( 13689 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13690 != PackageManager.PERMISSION_GRANTED) { 13691 if (getUidTargetSdkVersionLockedLPr(callingUid) 13692 < Build.VERSION_CODES.FROYO) { 13693 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13694 + callingUid); 13695 return; 13696 } 13697 mContext.enforceCallingOrSelfPermission( 13698 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13699 } 13700 13701 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13702 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13703 + userId + ":"); 13704 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13705 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13706 scheduleWritePackageRestrictionsLocked(userId); 13707 } 13708 } 13709 13710 @Override 13711 public void replacePreferredActivity(IntentFilter filter, int match, 13712 ComponentName[] set, ComponentName activity, int userId) { 13713 if (filter.countActions() != 1) { 13714 throw new IllegalArgumentException( 13715 "replacePreferredActivity expects filter to have only 1 action."); 13716 } 13717 if (filter.countDataAuthorities() != 0 13718 || filter.countDataPaths() != 0 13719 || filter.countDataSchemes() > 1 13720 || filter.countDataTypes() != 0) { 13721 throw new IllegalArgumentException( 13722 "replacePreferredActivity expects filter to have no data authorities, " + 13723 "paths, or types; and at most one scheme."); 13724 } 13725 13726 final int callingUid = Binder.getCallingUid(); 13727 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13728 synchronized (mPackages) { 13729 if (mContext.checkCallingOrSelfPermission( 13730 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13731 != PackageManager.PERMISSION_GRANTED) { 13732 if (getUidTargetSdkVersionLockedLPr(callingUid) 13733 < Build.VERSION_CODES.FROYO) { 13734 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13735 + Binder.getCallingUid()); 13736 return; 13737 } 13738 mContext.enforceCallingOrSelfPermission( 13739 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13740 } 13741 13742 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13743 if (pir != null) { 13744 // Get all of the existing entries that exactly match this filter. 13745 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13746 if (existing != null && existing.size() == 1) { 13747 PreferredActivity cur = existing.get(0); 13748 if (DEBUG_PREFERRED) { 13749 Slog.i(TAG, "Checking replace of preferred:"); 13750 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13751 if (!cur.mPref.mAlways) { 13752 Slog.i(TAG, " -- CUR; not mAlways!"); 13753 } else { 13754 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13755 Slog.i(TAG, " -- CUR: mSet=" 13756 + Arrays.toString(cur.mPref.mSetComponents)); 13757 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13758 Slog.i(TAG, " -- NEW: mMatch=" 13759 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13760 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13761 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13762 } 13763 } 13764 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13765 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13766 && cur.mPref.sameSet(set)) { 13767 // Setting the preferred activity to what it happens to be already 13768 if (DEBUG_PREFERRED) { 13769 Slog.i(TAG, "Replacing with same preferred activity " 13770 + cur.mPref.mShortComponent + " for user " 13771 + userId + ":"); 13772 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13773 } 13774 return; 13775 } 13776 } 13777 13778 if (existing != null) { 13779 if (DEBUG_PREFERRED) { 13780 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13781 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13782 } 13783 for (int i = 0; i < existing.size(); i++) { 13784 PreferredActivity pa = existing.get(i); 13785 if (DEBUG_PREFERRED) { 13786 Slog.i(TAG, "Removing existing preferred activity " 13787 + pa.mPref.mComponent + ":"); 13788 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13789 } 13790 pir.removeFilter(pa); 13791 } 13792 } 13793 } 13794 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13795 "Replacing preferred"); 13796 } 13797 } 13798 13799 @Override 13800 public void clearPackagePreferredActivities(String packageName) { 13801 final int uid = Binder.getCallingUid(); 13802 // writer 13803 synchronized (mPackages) { 13804 PackageParser.Package pkg = mPackages.get(packageName); 13805 if (pkg == null || pkg.applicationInfo.uid != uid) { 13806 if (mContext.checkCallingOrSelfPermission( 13807 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13808 != PackageManager.PERMISSION_GRANTED) { 13809 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13810 < Build.VERSION_CODES.FROYO) { 13811 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13812 + Binder.getCallingUid()); 13813 return; 13814 } 13815 mContext.enforceCallingOrSelfPermission( 13816 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13817 } 13818 } 13819 13820 int user = UserHandle.getCallingUserId(); 13821 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13822 scheduleWritePackageRestrictionsLocked(user); 13823 } 13824 } 13825 } 13826 13827 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13828 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13829 ArrayList<PreferredActivity> removed = null; 13830 boolean changed = false; 13831 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13832 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13833 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13834 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13835 continue; 13836 } 13837 Iterator<PreferredActivity> it = pir.filterIterator(); 13838 while (it.hasNext()) { 13839 PreferredActivity pa = it.next(); 13840 // Mark entry for removal only if it matches the package name 13841 // and the entry is of type "always". 13842 if (packageName == null || 13843 (pa.mPref.mComponent.getPackageName().equals(packageName) 13844 && pa.mPref.mAlways)) { 13845 if (removed == null) { 13846 removed = new ArrayList<PreferredActivity>(); 13847 } 13848 removed.add(pa); 13849 } 13850 } 13851 if (removed != null) { 13852 for (int j=0; j<removed.size(); j++) { 13853 PreferredActivity pa = removed.get(j); 13854 pir.removeFilter(pa); 13855 } 13856 changed = true; 13857 } 13858 } 13859 return changed; 13860 } 13861 13862 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13863 private void clearIntentFilterVerificationsLPw(int userId) { 13864 final int packageCount = mPackages.size(); 13865 for (int i = 0; i < packageCount; i++) { 13866 PackageParser.Package pkg = mPackages.valueAt(i); 13867 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 13868 } 13869 } 13870 13871 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13872 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13873 if (userId == UserHandle.USER_ALL) { 13874 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13875 sUserManager.getUserIds())) { 13876 for (int oneUserId : sUserManager.getUserIds()) { 13877 scheduleWritePackageRestrictionsLocked(oneUserId); 13878 } 13879 } 13880 } else { 13881 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13882 scheduleWritePackageRestrictionsLocked(userId); 13883 } 13884 } 13885 } 13886 13887 void clearDefaultBrowserIfNeeded(String packageName) { 13888 for (int oneUserId : sUserManager.getUserIds()) { 13889 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13890 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13891 if (packageName.equals(defaultBrowserPackageName)) { 13892 setDefaultBrowserPackageName(null, oneUserId); 13893 } 13894 } 13895 } 13896 13897 @Override 13898 public void resetApplicationPreferences(int userId) { 13899 mContext.enforceCallingOrSelfPermission( 13900 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13901 // writer 13902 synchronized (mPackages) { 13903 final long identity = Binder.clearCallingIdentity(); 13904 try { 13905 clearPackagePreferredActivitiesLPw(null, userId); 13906 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13907 // TODO: We have to reset the default SMS and Phone. This requires 13908 // significant refactoring to keep all default apps in the package 13909 // manager (cleaner but more work) or have the services provide 13910 // callbacks to the package manager to request a default app reset. 13911 applyFactoryDefaultBrowserLPw(userId); 13912 clearIntentFilterVerificationsLPw(userId); 13913 primeDomainVerificationsLPw(userId); 13914 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 13915 scheduleWritePackageRestrictionsLocked(userId); 13916 } finally { 13917 Binder.restoreCallingIdentity(identity); 13918 } 13919 } 13920 } 13921 13922 @Override 13923 public int getPreferredActivities(List<IntentFilter> outFilters, 13924 List<ComponentName> outActivities, String packageName) { 13925 13926 int num = 0; 13927 final int userId = UserHandle.getCallingUserId(); 13928 // reader 13929 synchronized (mPackages) { 13930 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13931 if (pir != null) { 13932 final Iterator<PreferredActivity> it = pir.filterIterator(); 13933 while (it.hasNext()) { 13934 final PreferredActivity pa = it.next(); 13935 if (packageName == null 13936 || (pa.mPref.mComponent.getPackageName().equals(packageName) 13937 && pa.mPref.mAlways)) { 13938 if (outFilters != null) { 13939 outFilters.add(new IntentFilter(pa)); 13940 } 13941 if (outActivities != null) { 13942 outActivities.add(pa.mPref.mComponent); 13943 } 13944 } 13945 } 13946 } 13947 } 13948 13949 return num; 13950 } 13951 13952 @Override 13953 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 13954 int userId) { 13955 int callingUid = Binder.getCallingUid(); 13956 if (callingUid != Process.SYSTEM_UID) { 13957 throw new SecurityException( 13958 "addPersistentPreferredActivity can only be run by the system"); 13959 } 13960 if (filter.countActions() == 0) { 13961 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13962 return; 13963 } 13964 synchronized (mPackages) { 13965 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 13966 " :"); 13967 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13968 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 13969 new PersistentPreferredActivity(filter, activity)); 13970 scheduleWritePackageRestrictionsLocked(userId); 13971 } 13972 } 13973 13974 @Override 13975 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 13976 int callingUid = Binder.getCallingUid(); 13977 if (callingUid != Process.SYSTEM_UID) { 13978 throw new SecurityException( 13979 "clearPackagePersistentPreferredActivities can only be run by the system"); 13980 } 13981 ArrayList<PersistentPreferredActivity> removed = null; 13982 boolean changed = false; 13983 synchronized (mPackages) { 13984 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 13985 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 13986 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 13987 .valueAt(i); 13988 if (userId != thisUserId) { 13989 continue; 13990 } 13991 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 13992 while (it.hasNext()) { 13993 PersistentPreferredActivity ppa = it.next(); 13994 // Mark entry for removal only if it matches the package name. 13995 if (ppa.mComponent.getPackageName().equals(packageName)) { 13996 if (removed == null) { 13997 removed = new ArrayList<PersistentPreferredActivity>(); 13998 } 13999 removed.add(ppa); 14000 } 14001 } 14002 if (removed != null) { 14003 for (int j=0; j<removed.size(); j++) { 14004 PersistentPreferredActivity ppa = removed.get(j); 14005 ppir.removeFilter(ppa); 14006 } 14007 changed = true; 14008 } 14009 } 14010 14011 if (changed) { 14012 scheduleWritePackageRestrictionsLocked(userId); 14013 } 14014 } 14015 } 14016 14017 /** 14018 * Common machinery for picking apart a restored XML blob and passing 14019 * it to a caller-supplied functor to be applied to the running system. 14020 */ 14021 private void restoreFromXml(XmlPullParser parser, int userId, 14022 String expectedStartTag, BlobXmlRestorer functor) 14023 throws IOException, XmlPullParserException { 14024 int type; 14025 while ((type = parser.next()) != XmlPullParser.START_TAG 14026 && type != XmlPullParser.END_DOCUMENT) { 14027 } 14028 if (type != XmlPullParser.START_TAG) { 14029 // oops didn't find a start tag?! 14030 if (DEBUG_BACKUP) { 14031 Slog.e(TAG, "Didn't find start tag during restore"); 14032 } 14033 return; 14034 } 14035 14036 // this is supposed to be TAG_PREFERRED_BACKUP 14037 if (!expectedStartTag.equals(parser.getName())) { 14038 if (DEBUG_BACKUP) { 14039 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14040 } 14041 return; 14042 } 14043 14044 // skip interfering stuff, then we're aligned with the backing implementation 14045 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14046 functor.apply(parser, userId); 14047 } 14048 14049 private interface BlobXmlRestorer { 14050 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14051 } 14052 14053 /** 14054 * Non-Binder method, support for the backup/restore mechanism: write the 14055 * full set of preferred activities in its canonical XML format. Returns the 14056 * XML output as a byte array, or null if there is none. 14057 */ 14058 @Override 14059 public byte[] getPreferredActivityBackup(int userId) { 14060 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14061 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14062 } 14063 14064 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14065 try { 14066 final XmlSerializer serializer = new FastXmlSerializer(); 14067 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14068 serializer.startDocument(null, true); 14069 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14070 14071 synchronized (mPackages) { 14072 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14073 } 14074 14075 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14076 serializer.endDocument(); 14077 serializer.flush(); 14078 } catch (Exception e) { 14079 if (DEBUG_BACKUP) { 14080 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14081 } 14082 return null; 14083 } 14084 14085 return dataStream.toByteArray(); 14086 } 14087 14088 @Override 14089 public void restorePreferredActivities(byte[] backup, int userId) { 14090 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14091 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14092 } 14093 14094 try { 14095 final XmlPullParser parser = Xml.newPullParser(); 14096 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14097 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14098 new BlobXmlRestorer() { 14099 @Override 14100 public void apply(XmlPullParser parser, int userId) 14101 throws XmlPullParserException, IOException { 14102 synchronized (mPackages) { 14103 mSettings.readPreferredActivitiesLPw(parser, userId); 14104 } 14105 } 14106 } ); 14107 } catch (Exception e) { 14108 if (DEBUG_BACKUP) { 14109 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14110 } 14111 } 14112 } 14113 14114 /** 14115 * Non-Binder method, support for the backup/restore mechanism: write the 14116 * default browser (etc) settings in its canonical XML format. Returns the default 14117 * browser XML representation as a byte array, or null if there is none. 14118 */ 14119 @Override 14120 public byte[] getDefaultAppsBackup(int userId) { 14121 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14122 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14123 } 14124 14125 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14126 try { 14127 final XmlSerializer serializer = new FastXmlSerializer(); 14128 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14129 serializer.startDocument(null, true); 14130 serializer.startTag(null, TAG_DEFAULT_APPS); 14131 14132 synchronized (mPackages) { 14133 mSettings.writeDefaultAppsLPr(serializer, userId); 14134 } 14135 14136 serializer.endTag(null, TAG_DEFAULT_APPS); 14137 serializer.endDocument(); 14138 serializer.flush(); 14139 } catch (Exception e) { 14140 if (DEBUG_BACKUP) { 14141 Slog.e(TAG, "Unable to write default apps for backup", e); 14142 } 14143 return null; 14144 } 14145 14146 return dataStream.toByteArray(); 14147 } 14148 14149 @Override 14150 public void restoreDefaultApps(byte[] backup, int userId) { 14151 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14152 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14153 } 14154 14155 try { 14156 final XmlPullParser parser = Xml.newPullParser(); 14157 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14158 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14159 new BlobXmlRestorer() { 14160 @Override 14161 public void apply(XmlPullParser parser, int userId) 14162 throws XmlPullParserException, IOException { 14163 synchronized (mPackages) { 14164 mSettings.readDefaultAppsLPw(parser, userId); 14165 } 14166 } 14167 } ); 14168 } catch (Exception e) { 14169 if (DEBUG_BACKUP) { 14170 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14171 } 14172 } 14173 } 14174 14175 @Override 14176 public byte[] getIntentFilterVerificationBackup(int userId) { 14177 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14178 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14179 } 14180 14181 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14182 try { 14183 final XmlSerializer serializer = new FastXmlSerializer(); 14184 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14185 serializer.startDocument(null, true); 14186 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14187 14188 synchronized (mPackages) { 14189 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14190 } 14191 14192 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14193 serializer.endDocument(); 14194 serializer.flush(); 14195 } catch (Exception e) { 14196 if (DEBUG_BACKUP) { 14197 Slog.e(TAG, "Unable to write default apps for backup", e); 14198 } 14199 return null; 14200 } 14201 14202 return dataStream.toByteArray(); 14203 } 14204 14205 @Override 14206 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14207 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14208 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14209 } 14210 14211 try { 14212 final XmlPullParser parser = Xml.newPullParser(); 14213 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14214 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14215 new BlobXmlRestorer() { 14216 @Override 14217 public void apply(XmlPullParser parser, int userId) 14218 throws XmlPullParserException, IOException { 14219 synchronized (mPackages) { 14220 mSettings.readAllDomainVerificationsLPr(parser, userId); 14221 mSettings.writeLPr(); 14222 } 14223 } 14224 } ); 14225 } catch (Exception e) { 14226 if (DEBUG_BACKUP) { 14227 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14228 } 14229 } 14230 } 14231 14232 @Override 14233 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14234 int sourceUserId, int targetUserId, int flags) { 14235 mContext.enforceCallingOrSelfPermission( 14236 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14237 int callingUid = Binder.getCallingUid(); 14238 enforceOwnerRights(ownerPackage, callingUid); 14239 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14240 if (intentFilter.countActions() == 0) { 14241 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14242 return; 14243 } 14244 synchronized (mPackages) { 14245 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14246 ownerPackage, targetUserId, flags); 14247 CrossProfileIntentResolver resolver = 14248 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14249 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14250 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14251 if (existing != null) { 14252 int size = existing.size(); 14253 for (int i = 0; i < size; i++) { 14254 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14255 return; 14256 } 14257 } 14258 } 14259 resolver.addFilter(newFilter); 14260 scheduleWritePackageRestrictionsLocked(sourceUserId); 14261 } 14262 } 14263 14264 @Override 14265 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14266 mContext.enforceCallingOrSelfPermission( 14267 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14268 int callingUid = Binder.getCallingUid(); 14269 enforceOwnerRights(ownerPackage, callingUid); 14270 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14271 synchronized (mPackages) { 14272 CrossProfileIntentResolver resolver = 14273 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14274 ArraySet<CrossProfileIntentFilter> set = 14275 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14276 for (CrossProfileIntentFilter filter : set) { 14277 if (filter.getOwnerPackage().equals(ownerPackage)) { 14278 resolver.removeFilter(filter); 14279 } 14280 } 14281 scheduleWritePackageRestrictionsLocked(sourceUserId); 14282 } 14283 } 14284 14285 // Enforcing that callingUid is owning pkg on userId 14286 private void enforceOwnerRights(String pkg, int callingUid) { 14287 // The system owns everything. 14288 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14289 return; 14290 } 14291 int callingUserId = UserHandle.getUserId(callingUid); 14292 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14293 if (pi == null) { 14294 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14295 + callingUserId); 14296 } 14297 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14298 throw new SecurityException("Calling uid " + callingUid 14299 + " does not own package " + pkg); 14300 } 14301 } 14302 14303 @Override 14304 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14305 Intent intent = new Intent(Intent.ACTION_MAIN); 14306 intent.addCategory(Intent.CATEGORY_HOME); 14307 14308 final int callingUserId = UserHandle.getCallingUserId(); 14309 List<ResolveInfo> list = queryIntentActivities(intent, null, 14310 PackageManager.GET_META_DATA, callingUserId); 14311 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14312 true, false, false, callingUserId); 14313 14314 allHomeCandidates.clear(); 14315 if (list != null) { 14316 for (ResolveInfo ri : list) { 14317 allHomeCandidates.add(ri); 14318 } 14319 } 14320 return (preferred == null || preferred.activityInfo == null) 14321 ? null 14322 : new ComponentName(preferred.activityInfo.packageName, 14323 preferred.activityInfo.name); 14324 } 14325 14326 @Override 14327 public void setApplicationEnabledSetting(String appPackageName, 14328 int newState, int flags, int userId, String callingPackage) { 14329 if (!sUserManager.exists(userId)) return; 14330 if (callingPackage == null) { 14331 callingPackage = Integer.toString(Binder.getCallingUid()); 14332 } 14333 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14334 } 14335 14336 @Override 14337 public void setComponentEnabledSetting(ComponentName componentName, 14338 int newState, int flags, int userId) { 14339 if (!sUserManager.exists(userId)) return; 14340 setEnabledSetting(componentName.getPackageName(), 14341 componentName.getClassName(), newState, flags, userId, null); 14342 } 14343 14344 private void setEnabledSetting(final String packageName, String className, int newState, 14345 final int flags, int userId, String callingPackage) { 14346 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14347 || newState == COMPONENT_ENABLED_STATE_ENABLED 14348 || newState == COMPONENT_ENABLED_STATE_DISABLED 14349 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14350 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14351 throw new IllegalArgumentException("Invalid new component state: " 14352 + newState); 14353 } 14354 PackageSetting pkgSetting; 14355 final int uid = Binder.getCallingUid(); 14356 final int permission = mContext.checkCallingOrSelfPermission( 14357 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14358 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14359 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14360 boolean sendNow = false; 14361 boolean isApp = (className == null); 14362 String componentName = isApp ? packageName : className; 14363 int packageUid = -1; 14364 ArrayList<String> components; 14365 14366 // writer 14367 synchronized (mPackages) { 14368 pkgSetting = mSettings.mPackages.get(packageName); 14369 if (pkgSetting == null) { 14370 if (className == null) { 14371 throw new IllegalArgumentException( 14372 "Unknown package: " + packageName); 14373 } 14374 throw new IllegalArgumentException( 14375 "Unknown component: " + packageName 14376 + "/" + className); 14377 } 14378 // Allow root and verify that userId is not being specified by a different user 14379 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14380 throw new SecurityException( 14381 "Permission Denial: attempt to change component state from pid=" 14382 + Binder.getCallingPid() 14383 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14384 } 14385 if (className == null) { 14386 // We're dealing with an application/package level state change 14387 if (pkgSetting.getEnabled(userId) == newState) { 14388 // Nothing to do 14389 return; 14390 } 14391 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14392 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14393 // Don't care about who enables an app. 14394 callingPackage = null; 14395 } 14396 pkgSetting.setEnabled(newState, userId, callingPackage); 14397 // pkgSetting.pkg.mSetEnabled = newState; 14398 } else { 14399 // We're dealing with a component level state change 14400 // First, verify that this is a valid class name. 14401 PackageParser.Package pkg = pkgSetting.pkg; 14402 if (pkg == null || !pkg.hasComponentClassName(className)) { 14403 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14404 throw new IllegalArgumentException("Component class " + className 14405 + " does not exist in " + packageName); 14406 } else { 14407 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14408 + className + " does not exist in " + packageName); 14409 } 14410 } 14411 switch (newState) { 14412 case COMPONENT_ENABLED_STATE_ENABLED: 14413 if (!pkgSetting.enableComponentLPw(className, userId)) { 14414 return; 14415 } 14416 break; 14417 case COMPONENT_ENABLED_STATE_DISABLED: 14418 if (!pkgSetting.disableComponentLPw(className, userId)) { 14419 return; 14420 } 14421 break; 14422 case COMPONENT_ENABLED_STATE_DEFAULT: 14423 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14424 return; 14425 } 14426 break; 14427 default: 14428 Slog.e(TAG, "Invalid new component state: " + newState); 14429 return; 14430 } 14431 } 14432 scheduleWritePackageRestrictionsLocked(userId); 14433 components = mPendingBroadcasts.get(userId, packageName); 14434 final boolean newPackage = components == null; 14435 if (newPackage) { 14436 components = new ArrayList<String>(); 14437 } 14438 if (!components.contains(componentName)) { 14439 components.add(componentName); 14440 } 14441 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14442 sendNow = true; 14443 // Purge entry from pending broadcast list if another one exists already 14444 // since we are sending one right away. 14445 mPendingBroadcasts.remove(userId, packageName); 14446 } else { 14447 if (newPackage) { 14448 mPendingBroadcasts.put(userId, packageName, components); 14449 } 14450 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14451 // Schedule a message 14452 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14453 } 14454 } 14455 } 14456 14457 long callingId = Binder.clearCallingIdentity(); 14458 try { 14459 if (sendNow) { 14460 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14461 sendPackageChangedBroadcast(packageName, 14462 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14463 } 14464 } finally { 14465 Binder.restoreCallingIdentity(callingId); 14466 } 14467 } 14468 14469 private void sendPackageChangedBroadcast(String packageName, 14470 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14471 if (DEBUG_INSTALL) 14472 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14473 + componentNames); 14474 Bundle extras = new Bundle(4); 14475 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14476 String nameList[] = new String[componentNames.size()]; 14477 componentNames.toArray(nameList); 14478 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14479 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14480 extras.putInt(Intent.EXTRA_UID, packageUid); 14481 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14482 new int[] {UserHandle.getUserId(packageUid)}); 14483 } 14484 14485 @Override 14486 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14487 if (!sUserManager.exists(userId)) return; 14488 final int uid = Binder.getCallingUid(); 14489 final int permission = mContext.checkCallingOrSelfPermission( 14490 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14491 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14492 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14493 // writer 14494 synchronized (mPackages) { 14495 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14496 allowedByPermission, uid, userId)) { 14497 scheduleWritePackageRestrictionsLocked(userId); 14498 } 14499 } 14500 } 14501 14502 @Override 14503 public String getInstallerPackageName(String packageName) { 14504 // reader 14505 synchronized (mPackages) { 14506 return mSettings.getInstallerPackageNameLPr(packageName); 14507 } 14508 } 14509 14510 @Override 14511 public int getApplicationEnabledSetting(String packageName, int userId) { 14512 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14513 int uid = Binder.getCallingUid(); 14514 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14515 // reader 14516 synchronized (mPackages) { 14517 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14518 } 14519 } 14520 14521 @Override 14522 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14523 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14524 int uid = Binder.getCallingUid(); 14525 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14526 // reader 14527 synchronized (mPackages) { 14528 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14529 } 14530 } 14531 14532 @Override 14533 public void enterSafeMode() { 14534 enforceSystemOrRoot("Only the system can request entering safe mode"); 14535 14536 if (!mSystemReady) { 14537 mSafeMode = true; 14538 } 14539 } 14540 14541 @Override 14542 public void systemReady() { 14543 mSystemReady = true; 14544 14545 // Read the compatibilty setting when the system is ready. 14546 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14547 mContext.getContentResolver(), 14548 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14549 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14550 if (DEBUG_SETTINGS) { 14551 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14552 } 14553 14554 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14555 14556 synchronized (mPackages) { 14557 // Verify that all of the preferred activity components actually 14558 // exist. It is possible for applications to be updated and at 14559 // that point remove a previously declared activity component that 14560 // had been set as a preferred activity. We try to clean this up 14561 // the next time we encounter that preferred activity, but it is 14562 // possible for the user flow to never be able to return to that 14563 // situation so here we do a sanity check to make sure we haven't 14564 // left any junk around. 14565 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14566 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14567 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14568 removed.clear(); 14569 for (PreferredActivity pa : pir.filterSet()) { 14570 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14571 removed.add(pa); 14572 } 14573 } 14574 if (removed.size() > 0) { 14575 for (int r=0; r<removed.size(); r++) { 14576 PreferredActivity pa = removed.get(r); 14577 Slog.w(TAG, "Removing dangling preferred activity: " 14578 + pa.mPref.mComponent); 14579 pir.removeFilter(pa); 14580 } 14581 mSettings.writePackageRestrictionsLPr( 14582 mSettings.mPreferredActivities.keyAt(i)); 14583 } 14584 } 14585 14586 for (int userId : UserManagerService.getInstance().getUserIds()) { 14587 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14588 grantPermissionsUserIds = ArrayUtils.appendInt( 14589 grantPermissionsUserIds, userId); 14590 } 14591 } 14592 } 14593 sUserManager.systemReady(); 14594 14595 // If we upgraded grant all default permissions before kicking off. 14596 for (int userId : grantPermissionsUserIds) { 14597 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14598 } 14599 14600 // Kick off any messages waiting for system ready 14601 if (mPostSystemReadyMessages != null) { 14602 for (Message msg : mPostSystemReadyMessages) { 14603 msg.sendToTarget(); 14604 } 14605 mPostSystemReadyMessages = null; 14606 } 14607 14608 // Watch for external volumes that come and go over time 14609 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14610 storage.registerListener(mStorageListener); 14611 14612 mInstallerService.systemReady(); 14613 mPackageDexOptimizer.systemReady(); 14614 14615 MountServiceInternal mountServiceInternal = LocalServices.getService( 14616 MountServiceInternal.class); 14617 mountServiceInternal.addExternalStoragePolicy( 14618 new MountServiceInternal.ExternalStorageMountPolicy() { 14619 @Override 14620 public int getMountMode(int uid, String packageName) { 14621 if (Process.isIsolated(uid)) { 14622 return Zygote.MOUNT_EXTERNAL_NONE; 14623 } 14624 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14625 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14626 } 14627 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14628 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14629 } 14630 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14631 return Zygote.MOUNT_EXTERNAL_READ; 14632 } 14633 return Zygote.MOUNT_EXTERNAL_WRITE; 14634 } 14635 14636 @Override 14637 public boolean hasExternalStorage(int uid, String packageName) { 14638 return true; 14639 } 14640 }); 14641 } 14642 14643 @Override 14644 public boolean isSafeMode() { 14645 return mSafeMode; 14646 } 14647 14648 @Override 14649 public boolean hasSystemUidErrors() { 14650 return mHasSystemUidErrors; 14651 } 14652 14653 static String arrayToString(int[] array) { 14654 StringBuffer buf = new StringBuffer(128); 14655 buf.append('['); 14656 if (array != null) { 14657 for (int i=0; i<array.length; i++) { 14658 if (i > 0) buf.append(", "); 14659 buf.append(array[i]); 14660 } 14661 } 14662 buf.append(']'); 14663 return buf.toString(); 14664 } 14665 14666 static class DumpState { 14667 public static final int DUMP_LIBS = 1 << 0; 14668 public static final int DUMP_FEATURES = 1 << 1; 14669 public static final int DUMP_RESOLVERS = 1 << 2; 14670 public static final int DUMP_PERMISSIONS = 1 << 3; 14671 public static final int DUMP_PACKAGES = 1 << 4; 14672 public static final int DUMP_SHARED_USERS = 1 << 5; 14673 public static final int DUMP_MESSAGES = 1 << 6; 14674 public static final int DUMP_PROVIDERS = 1 << 7; 14675 public static final int DUMP_VERIFIERS = 1 << 8; 14676 public static final int DUMP_PREFERRED = 1 << 9; 14677 public static final int DUMP_PREFERRED_XML = 1 << 10; 14678 public static final int DUMP_KEYSETS = 1 << 11; 14679 public static final int DUMP_VERSION = 1 << 12; 14680 public static final int DUMP_INSTALLS = 1 << 13; 14681 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14682 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14683 14684 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14685 14686 private int mTypes; 14687 14688 private int mOptions; 14689 14690 private boolean mTitlePrinted; 14691 14692 private SharedUserSetting mSharedUser; 14693 14694 public boolean isDumping(int type) { 14695 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14696 return true; 14697 } 14698 14699 return (mTypes & type) != 0; 14700 } 14701 14702 public void setDump(int type) { 14703 mTypes |= type; 14704 } 14705 14706 public boolean isOptionEnabled(int option) { 14707 return (mOptions & option) != 0; 14708 } 14709 14710 public void setOptionEnabled(int option) { 14711 mOptions |= option; 14712 } 14713 14714 public boolean onTitlePrinted() { 14715 final boolean printed = mTitlePrinted; 14716 mTitlePrinted = true; 14717 return printed; 14718 } 14719 14720 public boolean getTitlePrinted() { 14721 return mTitlePrinted; 14722 } 14723 14724 public void setTitlePrinted(boolean enabled) { 14725 mTitlePrinted = enabled; 14726 } 14727 14728 public SharedUserSetting getSharedUser() { 14729 return mSharedUser; 14730 } 14731 14732 public void setSharedUser(SharedUserSetting user) { 14733 mSharedUser = user; 14734 } 14735 } 14736 14737 @Override 14738 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14739 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14740 != PackageManager.PERMISSION_GRANTED) { 14741 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14742 + Binder.getCallingPid() 14743 + ", uid=" + Binder.getCallingUid() 14744 + " without permission " 14745 + android.Manifest.permission.DUMP); 14746 return; 14747 } 14748 14749 DumpState dumpState = new DumpState(); 14750 boolean fullPreferred = false; 14751 boolean checkin = false; 14752 14753 String packageName = null; 14754 ArraySet<String> permissionNames = null; 14755 14756 int opti = 0; 14757 while (opti < args.length) { 14758 String opt = args[opti]; 14759 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14760 break; 14761 } 14762 opti++; 14763 14764 if ("-a".equals(opt)) { 14765 // Right now we only know how to print all. 14766 } else if ("-h".equals(opt)) { 14767 pw.println("Package manager dump options:"); 14768 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14769 pw.println(" --checkin: dump for a checkin"); 14770 pw.println(" -f: print details of intent filters"); 14771 pw.println(" -h: print this help"); 14772 pw.println(" cmd may be one of:"); 14773 pw.println(" l[ibraries]: list known shared libraries"); 14774 pw.println(" f[ibraries]: list device features"); 14775 pw.println(" k[eysets]: print known keysets"); 14776 pw.println(" r[esolvers]: dump intent resolvers"); 14777 pw.println(" perm[issions]: dump permissions"); 14778 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14779 pw.println(" pref[erred]: print preferred package settings"); 14780 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14781 pw.println(" prov[iders]: dump content providers"); 14782 pw.println(" p[ackages]: dump installed packages"); 14783 pw.println(" s[hared-users]: dump shared user IDs"); 14784 pw.println(" m[essages]: print collected runtime messages"); 14785 pw.println(" v[erifiers]: print package verifier info"); 14786 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14787 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14788 pw.println(" version: print database version info"); 14789 pw.println(" write: write current settings now"); 14790 pw.println(" installs: details about install sessions"); 14791 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14792 pw.println(" <package.name>: info about given package"); 14793 return; 14794 } else if ("--checkin".equals(opt)) { 14795 checkin = true; 14796 } else if ("-f".equals(opt)) { 14797 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14798 } else { 14799 pw.println("Unknown argument: " + opt + "; use -h for help"); 14800 } 14801 } 14802 14803 // Is the caller requesting to dump a particular piece of data? 14804 if (opti < args.length) { 14805 String cmd = args[opti]; 14806 opti++; 14807 // Is this a package name? 14808 if ("android".equals(cmd) || cmd.contains(".")) { 14809 packageName = cmd; 14810 // When dumping a single package, we always dump all of its 14811 // filter information since the amount of data will be reasonable. 14812 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14813 } else if ("check-permission".equals(cmd)) { 14814 if (opti >= args.length) { 14815 pw.println("Error: check-permission missing permission argument"); 14816 return; 14817 } 14818 String perm = args[opti]; 14819 opti++; 14820 if (opti >= args.length) { 14821 pw.println("Error: check-permission missing package argument"); 14822 return; 14823 } 14824 String pkg = args[opti]; 14825 opti++; 14826 int user = UserHandle.getUserId(Binder.getCallingUid()); 14827 if (opti < args.length) { 14828 try { 14829 user = Integer.parseInt(args[opti]); 14830 } catch (NumberFormatException e) { 14831 pw.println("Error: check-permission user argument is not a number: " 14832 + args[opti]); 14833 return; 14834 } 14835 } 14836 pw.println(checkPermission(perm, pkg, user)); 14837 return; 14838 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14839 dumpState.setDump(DumpState.DUMP_LIBS); 14840 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14841 dumpState.setDump(DumpState.DUMP_FEATURES); 14842 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14843 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14844 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14845 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14846 } else if ("permission".equals(cmd)) { 14847 if (opti >= args.length) { 14848 pw.println("Error: permission requires permission name"); 14849 return; 14850 } 14851 permissionNames = new ArraySet<>(); 14852 while (opti < args.length) { 14853 permissionNames.add(args[opti]); 14854 opti++; 14855 } 14856 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14857 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14858 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14859 dumpState.setDump(DumpState.DUMP_PREFERRED); 14860 } else if ("preferred-xml".equals(cmd)) { 14861 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14862 if (opti < args.length && "--full".equals(args[opti])) { 14863 fullPreferred = true; 14864 opti++; 14865 } 14866 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14867 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14868 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14869 dumpState.setDump(DumpState.DUMP_PACKAGES); 14870 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14871 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14872 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14873 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14874 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14875 dumpState.setDump(DumpState.DUMP_MESSAGES); 14876 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14877 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14878 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14879 || "intent-filter-verifiers".equals(cmd)) { 14880 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14881 } else if ("version".equals(cmd)) { 14882 dumpState.setDump(DumpState.DUMP_VERSION); 14883 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14884 dumpState.setDump(DumpState.DUMP_KEYSETS); 14885 } else if ("installs".equals(cmd)) { 14886 dumpState.setDump(DumpState.DUMP_INSTALLS); 14887 } else if ("write".equals(cmd)) { 14888 synchronized (mPackages) { 14889 mSettings.writeLPr(); 14890 pw.println("Settings written."); 14891 return; 14892 } 14893 } 14894 } 14895 14896 if (checkin) { 14897 pw.println("vers,1"); 14898 } 14899 14900 // reader 14901 synchronized (mPackages) { 14902 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14903 if (!checkin) { 14904 if (dumpState.onTitlePrinted()) 14905 pw.println(); 14906 pw.println("Database versions:"); 14907 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 14908 } 14909 } 14910 14911 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14912 if (!checkin) { 14913 if (dumpState.onTitlePrinted()) 14914 pw.println(); 14915 pw.println("Verifiers:"); 14916 pw.print(" Required: "); 14917 pw.print(mRequiredVerifierPackage); 14918 pw.print(" (uid="); 14919 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14920 pw.println(")"); 14921 } else if (mRequiredVerifierPackage != null) { 14922 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 14923 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 14924 } 14925 } 14926 14927 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 14928 packageName == null) { 14929 if (mIntentFilterVerifierComponent != null) { 14930 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 14931 if (!checkin) { 14932 if (dumpState.onTitlePrinted()) 14933 pw.println(); 14934 pw.println("Intent Filter Verifier:"); 14935 pw.print(" Using: "); 14936 pw.print(verifierPackageName); 14937 pw.print(" (uid="); 14938 pw.print(getPackageUid(verifierPackageName, 0)); 14939 pw.println(")"); 14940 } else if (verifierPackageName != null) { 14941 pw.print("ifv,"); pw.print(verifierPackageName); 14942 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 14943 } 14944 } else { 14945 pw.println(); 14946 pw.println("No Intent Filter Verifier available!"); 14947 } 14948 } 14949 14950 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 14951 boolean printedHeader = false; 14952 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 14953 while (it.hasNext()) { 14954 String name = it.next(); 14955 SharedLibraryEntry ent = mSharedLibraries.get(name); 14956 if (!checkin) { 14957 if (!printedHeader) { 14958 if (dumpState.onTitlePrinted()) 14959 pw.println(); 14960 pw.println("Libraries:"); 14961 printedHeader = true; 14962 } 14963 pw.print(" "); 14964 } else { 14965 pw.print("lib,"); 14966 } 14967 pw.print(name); 14968 if (!checkin) { 14969 pw.print(" -> "); 14970 } 14971 if (ent.path != null) { 14972 if (!checkin) { 14973 pw.print("(jar) "); 14974 pw.print(ent.path); 14975 } else { 14976 pw.print(",jar,"); 14977 pw.print(ent.path); 14978 } 14979 } else { 14980 if (!checkin) { 14981 pw.print("(apk) "); 14982 pw.print(ent.apk); 14983 } else { 14984 pw.print(",apk,"); 14985 pw.print(ent.apk); 14986 } 14987 } 14988 pw.println(); 14989 } 14990 } 14991 14992 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 14993 if (dumpState.onTitlePrinted()) 14994 pw.println(); 14995 if (!checkin) { 14996 pw.println("Features:"); 14997 } 14998 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 14999 while (it.hasNext()) { 15000 String name = it.next(); 15001 if (!checkin) { 15002 pw.print(" "); 15003 } else { 15004 pw.print("feat,"); 15005 } 15006 pw.println(name); 15007 } 15008 } 15009 15010 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15011 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15012 : "Activity Resolver Table:", " ", packageName, 15013 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15014 dumpState.setTitlePrinted(true); 15015 } 15016 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15017 : "Receiver Resolver Table:", " ", packageName, 15018 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15019 dumpState.setTitlePrinted(true); 15020 } 15021 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15022 : "Service Resolver Table:", " ", packageName, 15023 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15024 dumpState.setTitlePrinted(true); 15025 } 15026 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15027 : "Provider Resolver Table:", " ", packageName, 15028 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15029 dumpState.setTitlePrinted(true); 15030 } 15031 } 15032 15033 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15034 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15035 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15036 int user = mSettings.mPreferredActivities.keyAt(i); 15037 if (pir.dump(pw, 15038 dumpState.getTitlePrinted() 15039 ? "\nPreferred Activities User " + user + ":" 15040 : "Preferred Activities User " + user + ":", " ", 15041 packageName, true, false)) { 15042 dumpState.setTitlePrinted(true); 15043 } 15044 } 15045 } 15046 15047 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15048 pw.flush(); 15049 FileOutputStream fout = new FileOutputStream(fd); 15050 BufferedOutputStream str = new BufferedOutputStream(fout); 15051 XmlSerializer serializer = new FastXmlSerializer(); 15052 try { 15053 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15054 serializer.startDocument(null, true); 15055 serializer.setFeature( 15056 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15057 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15058 serializer.endDocument(); 15059 serializer.flush(); 15060 } catch (IllegalArgumentException e) { 15061 pw.println("Failed writing: " + e); 15062 } catch (IllegalStateException e) { 15063 pw.println("Failed writing: " + e); 15064 } catch (IOException e) { 15065 pw.println("Failed writing: " + e); 15066 } 15067 } 15068 15069 if (!checkin 15070 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15071 && packageName == null) { 15072 pw.println(); 15073 int count = mSettings.mPackages.size(); 15074 if (count == 0) { 15075 pw.println("No applications!"); 15076 pw.println(); 15077 } else { 15078 final String prefix = " "; 15079 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15080 if (allPackageSettings.size() == 0) { 15081 pw.println("No domain preferred apps!"); 15082 pw.println(); 15083 } else { 15084 pw.println("App verification status:"); 15085 pw.println(); 15086 count = 0; 15087 for (PackageSetting ps : allPackageSettings) { 15088 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15089 if (ivi == null || ivi.getPackageName() == null) continue; 15090 pw.println(prefix + "Package: " + ivi.getPackageName()); 15091 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15092 pw.println(prefix + "Status: " + ivi.getStatusString()); 15093 pw.println(); 15094 count++; 15095 } 15096 if (count == 0) { 15097 pw.println(prefix + "No app verification established."); 15098 pw.println(); 15099 } 15100 for (int userId : sUserManager.getUserIds()) { 15101 pw.println("App linkages for user " + userId + ":"); 15102 pw.println(); 15103 count = 0; 15104 for (PackageSetting ps : allPackageSettings) { 15105 final long status = ps.getDomainVerificationStatusForUser(userId); 15106 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15107 continue; 15108 } 15109 pw.println(prefix + "Package: " + ps.name); 15110 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15111 String statusStr = IntentFilterVerificationInfo. 15112 getStatusStringFromValue(status); 15113 pw.println(prefix + "Status: " + statusStr); 15114 pw.println(); 15115 count++; 15116 } 15117 if (count == 0) { 15118 pw.println(prefix + "No configured app linkages."); 15119 pw.println(); 15120 } 15121 } 15122 } 15123 } 15124 } 15125 15126 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15127 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15128 if (packageName == null && permissionNames == null) { 15129 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15130 if (iperm == 0) { 15131 if (dumpState.onTitlePrinted()) 15132 pw.println(); 15133 pw.println("AppOp Permissions:"); 15134 } 15135 pw.print(" AppOp Permission "); 15136 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15137 pw.println(":"); 15138 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15139 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15140 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15141 } 15142 } 15143 } 15144 } 15145 15146 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15147 boolean printedSomething = false; 15148 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15149 if (packageName != null && !packageName.equals(p.info.packageName)) { 15150 continue; 15151 } 15152 if (!printedSomething) { 15153 if (dumpState.onTitlePrinted()) 15154 pw.println(); 15155 pw.println("Registered ContentProviders:"); 15156 printedSomething = true; 15157 } 15158 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15159 pw.print(" "); pw.println(p.toString()); 15160 } 15161 printedSomething = false; 15162 for (Map.Entry<String, PackageParser.Provider> entry : 15163 mProvidersByAuthority.entrySet()) { 15164 PackageParser.Provider p = entry.getValue(); 15165 if (packageName != null && !packageName.equals(p.info.packageName)) { 15166 continue; 15167 } 15168 if (!printedSomething) { 15169 if (dumpState.onTitlePrinted()) 15170 pw.println(); 15171 pw.println("ContentProvider Authorities:"); 15172 printedSomething = true; 15173 } 15174 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15175 pw.print(" "); pw.println(p.toString()); 15176 if (p.info != null && p.info.applicationInfo != null) { 15177 final String appInfo = p.info.applicationInfo.toString(); 15178 pw.print(" applicationInfo="); pw.println(appInfo); 15179 } 15180 } 15181 } 15182 15183 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15184 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15185 } 15186 15187 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15188 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15189 } 15190 15191 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15192 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15193 } 15194 15195 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15196 // XXX should handle packageName != null by dumping only install data that 15197 // the given package is involved with. 15198 if (dumpState.onTitlePrinted()) pw.println(); 15199 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15200 } 15201 15202 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15203 if (dumpState.onTitlePrinted()) pw.println(); 15204 mSettings.dumpReadMessagesLPr(pw, dumpState); 15205 15206 pw.println(); 15207 pw.println("Package warning messages:"); 15208 BufferedReader in = null; 15209 String line = null; 15210 try { 15211 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15212 while ((line = in.readLine()) != null) { 15213 if (line.contains("ignored: updated version")) continue; 15214 pw.println(line); 15215 } 15216 } catch (IOException ignored) { 15217 } finally { 15218 IoUtils.closeQuietly(in); 15219 } 15220 } 15221 15222 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15223 BufferedReader in = null; 15224 String line = null; 15225 try { 15226 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15227 while ((line = in.readLine()) != null) { 15228 if (line.contains("ignored: updated version")) continue; 15229 pw.print("msg,"); 15230 pw.println(line); 15231 } 15232 } catch (IOException ignored) { 15233 } finally { 15234 IoUtils.closeQuietly(in); 15235 } 15236 } 15237 } 15238 } 15239 15240 private String dumpDomainString(String packageName) { 15241 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15242 List<IntentFilter> filters = getAllIntentFilters(packageName); 15243 15244 ArraySet<String> result = new ArraySet<>(); 15245 if (iviList.size() > 0) { 15246 for (IntentFilterVerificationInfo ivi : iviList) { 15247 for (String host : ivi.getDomains()) { 15248 result.add(host); 15249 } 15250 } 15251 } 15252 if (filters != null && filters.size() > 0) { 15253 for (IntentFilter filter : filters) { 15254 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15255 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15256 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15257 result.addAll(filter.getHostsList()); 15258 } 15259 } 15260 } 15261 15262 StringBuilder sb = new StringBuilder(result.size() * 16); 15263 for (String domain : result) { 15264 if (sb.length() > 0) sb.append(" "); 15265 sb.append(domain); 15266 } 15267 return sb.toString(); 15268 } 15269 15270 // ------- apps on sdcard specific code ------- 15271 static final boolean DEBUG_SD_INSTALL = false; 15272 15273 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15274 15275 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15276 15277 private boolean mMediaMounted = false; 15278 15279 static String getEncryptKey() { 15280 try { 15281 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15282 SD_ENCRYPTION_KEYSTORE_NAME); 15283 if (sdEncKey == null) { 15284 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15285 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15286 if (sdEncKey == null) { 15287 Slog.e(TAG, "Failed to create encryption keys"); 15288 return null; 15289 } 15290 } 15291 return sdEncKey; 15292 } catch (NoSuchAlgorithmException nsae) { 15293 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15294 return null; 15295 } catch (IOException ioe) { 15296 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15297 return null; 15298 } 15299 } 15300 15301 /* 15302 * Update media status on PackageManager. 15303 */ 15304 @Override 15305 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15306 int callingUid = Binder.getCallingUid(); 15307 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15308 throw new SecurityException("Media status can only be updated by the system"); 15309 } 15310 // reader; this apparently protects mMediaMounted, but should probably 15311 // be a different lock in that case. 15312 synchronized (mPackages) { 15313 Log.i(TAG, "Updating external media status from " 15314 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15315 + (mediaStatus ? "mounted" : "unmounted")); 15316 if (DEBUG_SD_INSTALL) 15317 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15318 + ", mMediaMounted=" + mMediaMounted); 15319 if (mediaStatus == mMediaMounted) { 15320 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15321 : 0, -1); 15322 mHandler.sendMessage(msg); 15323 return; 15324 } 15325 mMediaMounted = mediaStatus; 15326 } 15327 // Queue up an async operation since the package installation may take a 15328 // little while. 15329 mHandler.post(new Runnable() { 15330 public void run() { 15331 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15332 } 15333 }); 15334 } 15335 15336 /** 15337 * Called by MountService when the initial ASECs to scan are available. 15338 * Should block until all the ASEC containers are finished being scanned. 15339 */ 15340 public void scanAvailableAsecs() { 15341 updateExternalMediaStatusInner(true, false, false); 15342 if (mShouldRestoreconData) { 15343 SELinuxMMAC.setRestoreconDone(); 15344 mShouldRestoreconData = false; 15345 } 15346 } 15347 15348 /* 15349 * Collect information of applications on external media, map them against 15350 * existing containers and update information based on current mount status. 15351 * Please note that we always have to report status if reportStatus has been 15352 * set to true especially when unloading packages. 15353 */ 15354 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15355 boolean externalStorage) { 15356 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15357 int[] uidArr = EmptyArray.INT; 15358 15359 final String[] list = PackageHelper.getSecureContainerList(); 15360 if (ArrayUtils.isEmpty(list)) { 15361 Log.i(TAG, "No secure containers found"); 15362 } else { 15363 // Process list of secure containers and categorize them 15364 // as active or stale based on their package internal state. 15365 15366 // reader 15367 synchronized (mPackages) { 15368 for (String cid : list) { 15369 // Leave stages untouched for now; installer service owns them 15370 if (PackageInstallerService.isStageName(cid)) continue; 15371 15372 if (DEBUG_SD_INSTALL) 15373 Log.i(TAG, "Processing container " + cid); 15374 String pkgName = getAsecPackageName(cid); 15375 if (pkgName == null) { 15376 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15377 continue; 15378 } 15379 if (DEBUG_SD_INSTALL) 15380 Log.i(TAG, "Looking for pkg : " + pkgName); 15381 15382 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15383 if (ps == null) { 15384 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15385 continue; 15386 } 15387 15388 /* 15389 * Skip packages that are not external if we're unmounting 15390 * external storage. 15391 */ 15392 if (externalStorage && !isMounted && !isExternal(ps)) { 15393 continue; 15394 } 15395 15396 final AsecInstallArgs args = new AsecInstallArgs(cid, 15397 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15398 // The package status is changed only if the code path 15399 // matches between settings and the container id. 15400 if (ps.codePathString != null 15401 && ps.codePathString.startsWith(args.getCodePath())) { 15402 if (DEBUG_SD_INSTALL) { 15403 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15404 + " at code path: " + ps.codePathString); 15405 } 15406 15407 // We do have a valid package installed on sdcard 15408 processCids.put(args, ps.codePathString); 15409 final int uid = ps.appId; 15410 if (uid != -1) { 15411 uidArr = ArrayUtils.appendInt(uidArr, uid); 15412 } 15413 } else { 15414 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15415 + ps.codePathString); 15416 } 15417 } 15418 } 15419 15420 Arrays.sort(uidArr); 15421 } 15422 15423 // Process packages with valid entries. 15424 if (isMounted) { 15425 if (DEBUG_SD_INSTALL) 15426 Log.i(TAG, "Loading packages"); 15427 loadMediaPackages(processCids, uidArr); 15428 startCleaningPackages(); 15429 mInstallerService.onSecureContainersAvailable(); 15430 } else { 15431 if (DEBUG_SD_INSTALL) 15432 Log.i(TAG, "Unloading packages"); 15433 unloadMediaPackages(processCids, uidArr, reportStatus); 15434 } 15435 } 15436 15437 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15438 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15439 final int size = infos.size(); 15440 final String[] packageNames = new String[size]; 15441 final int[] packageUids = new int[size]; 15442 for (int i = 0; i < size; i++) { 15443 final ApplicationInfo info = infos.get(i); 15444 packageNames[i] = info.packageName; 15445 packageUids[i] = info.uid; 15446 } 15447 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15448 finishedReceiver); 15449 } 15450 15451 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15452 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15453 sendResourcesChangedBroadcast(mediaStatus, replacing, 15454 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15455 } 15456 15457 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15458 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15459 int size = pkgList.length; 15460 if (size > 0) { 15461 // Send broadcasts here 15462 Bundle extras = new Bundle(); 15463 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15464 if (uidArr != null) { 15465 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15466 } 15467 if (replacing) { 15468 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15469 } 15470 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15471 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15472 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15473 } 15474 } 15475 15476 /* 15477 * Look at potentially valid container ids from processCids If package 15478 * information doesn't match the one on record or package scanning fails, 15479 * the cid is added to list of removeCids. We currently don't delete stale 15480 * containers. 15481 */ 15482 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15483 ArrayList<String> pkgList = new ArrayList<String>(); 15484 Set<AsecInstallArgs> keys = processCids.keySet(); 15485 15486 for (AsecInstallArgs args : keys) { 15487 String codePath = processCids.get(args); 15488 if (DEBUG_SD_INSTALL) 15489 Log.i(TAG, "Loading container : " + args.cid); 15490 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15491 try { 15492 // Make sure there are no container errors first. 15493 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15494 Slog.e(TAG, "Failed to mount cid : " + args.cid 15495 + " when installing from sdcard"); 15496 continue; 15497 } 15498 // Check code path here. 15499 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15500 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15501 + " does not match one in settings " + codePath); 15502 continue; 15503 } 15504 // Parse package 15505 int parseFlags = mDefParseFlags; 15506 if (args.isExternalAsec()) { 15507 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15508 } 15509 if (args.isFwdLocked()) { 15510 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15511 } 15512 15513 synchronized (mInstallLock) { 15514 PackageParser.Package pkg = null; 15515 try { 15516 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15517 } catch (PackageManagerException e) { 15518 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15519 } 15520 // Scan the package 15521 if (pkg != null) { 15522 /* 15523 * TODO why is the lock being held? doPostInstall is 15524 * called in other places without the lock. This needs 15525 * to be straightened out. 15526 */ 15527 // writer 15528 synchronized (mPackages) { 15529 retCode = PackageManager.INSTALL_SUCCEEDED; 15530 pkgList.add(pkg.packageName); 15531 // Post process args 15532 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15533 pkg.applicationInfo.uid); 15534 } 15535 } else { 15536 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15537 } 15538 } 15539 15540 } finally { 15541 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15542 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15543 } 15544 } 15545 } 15546 // writer 15547 synchronized (mPackages) { 15548 // If the platform SDK has changed since the last time we booted, 15549 // we need to re-grant app permission to catch any new ones that 15550 // appear. This is really a hack, and means that apps can in some 15551 // cases get permissions that the user didn't initially explicitly 15552 // allow... it would be nice to have some better way to handle 15553 // this situation. 15554 final VersionInfo ver = mSettings.getExternalVersion(); 15555 15556 int updateFlags = UPDATE_PERMISSIONS_ALL; 15557 if (ver.sdkVersion != mSdkVersion) { 15558 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15559 + mSdkVersion + "; regranting permissions for external"); 15560 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15561 } 15562 updatePermissionsLPw(null, null, updateFlags); 15563 15564 // Yay, everything is now upgraded 15565 ver.forceCurrent(); 15566 15567 // can downgrade to reader 15568 // Persist settings 15569 mSettings.writeLPr(); 15570 } 15571 // Send a broadcast to let everyone know we are done processing 15572 if (pkgList.size() > 0) { 15573 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15574 } 15575 } 15576 15577 /* 15578 * Utility method to unload a list of specified containers 15579 */ 15580 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15581 // Just unmount all valid containers. 15582 for (AsecInstallArgs arg : cidArgs) { 15583 synchronized (mInstallLock) { 15584 arg.doPostDeleteLI(false); 15585 } 15586 } 15587 } 15588 15589 /* 15590 * Unload packages mounted on external media. This involves deleting package 15591 * data from internal structures, sending broadcasts about diabled packages, 15592 * gc'ing to free up references, unmounting all secure containers 15593 * corresponding to packages on external media, and posting a 15594 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15595 * that we always have to post this message if status has been requested no 15596 * matter what. 15597 */ 15598 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15599 final boolean reportStatus) { 15600 if (DEBUG_SD_INSTALL) 15601 Log.i(TAG, "unloading media packages"); 15602 ArrayList<String> pkgList = new ArrayList<String>(); 15603 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15604 final Set<AsecInstallArgs> keys = processCids.keySet(); 15605 for (AsecInstallArgs args : keys) { 15606 String pkgName = args.getPackageName(); 15607 if (DEBUG_SD_INSTALL) 15608 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15609 // Delete package internally 15610 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15611 synchronized (mInstallLock) { 15612 boolean res = deletePackageLI(pkgName, null, false, null, null, 15613 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15614 if (res) { 15615 pkgList.add(pkgName); 15616 } else { 15617 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15618 failedList.add(args); 15619 } 15620 } 15621 } 15622 15623 // reader 15624 synchronized (mPackages) { 15625 // We didn't update the settings after removing each package; 15626 // write them now for all packages. 15627 mSettings.writeLPr(); 15628 } 15629 15630 // We have to absolutely send UPDATED_MEDIA_STATUS only 15631 // after confirming that all the receivers processed the ordered 15632 // broadcast when packages get disabled, force a gc to clean things up. 15633 // and unload all the containers. 15634 if (pkgList.size() > 0) { 15635 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15636 new IIntentReceiver.Stub() { 15637 public void performReceive(Intent intent, int resultCode, String data, 15638 Bundle extras, boolean ordered, boolean sticky, 15639 int sendingUser) throws RemoteException { 15640 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15641 reportStatus ? 1 : 0, 1, keys); 15642 mHandler.sendMessage(msg); 15643 } 15644 }); 15645 } else { 15646 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15647 keys); 15648 mHandler.sendMessage(msg); 15649 } 15650 } 15651 15652 private void loadPrivatePackages(final VolumeInfo vol) { 15653 mHandler.post(new Runnable() { 15654 @Override 15655 public void run() { 15656 loadPrivatePackagesInner(vol); 15657 } 15658 }); 15659 } 15660 15661 private void loadPrivatePackagesInner(VolumeInfo vol) { 15662 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15663 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15664 15665 final VersionInfo ver; 15666 final List<PackageSetting> packages; 15667 synchronized (mPackages) { 15668 ver = mSettings.findOrCreateVersion(vol.fsUuid); 15669 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15670 } 15671 15672 for (PackageSetting ps : packages) { 15673 synchronized (mInstallLock) { 15674 final PackageParser.Package pkg; 15675 try { 15676 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15677 loaded.add(pkg.applicationInfo); 15678 } catch (PackageManagerException e) { 15679 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15680 } 15681 15682 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15683 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15684 } 15685 } 15686 } 15687 15688 synchronized (mPackages) { 15689 int updateFlags = UPDATE_PERMISSIONS_ALL; 15690 if (ver.sdkVersion != mSdkVersion) { 15691 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15692 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15693 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15694 } 15695 updatePermissionsLPw(null, null, updateFlags); 15696 15697 // Yay, everything is now upgraded 15698 ver.forceCurrent(); 15699 15700 mSettings.writeLPr(); 15701 } 15702 15703 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15704 sendResourcesChangedBroadcast(true, false, loaded, null); 15705 } 15706 15707 private void unloadPrivatePackages(final VolumeInfo vol) { 15708 mHandler.post(new Runnable() { 15709 @Override 15710 public void run() { 15711 unloadPrivatePackagesInner(vol); 15712 } 15713 }); 15714 } 15715 15716 private void unloadPrivatePackagesInner(VolumeInfo vol) { 15717 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15718 synchronized (mInstallLock) { 15719 synchronized (mPackages) { 15720 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15721 for (PackageSetting ps : packages) { 15722 if (ps.pkg == null) continue; 15723 15724 final ApplicationInfo info = ps.pkg.applicationInfo; 15725 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15726 if (deletePackageLI(ps.name, null, false, null, null, 15727 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15728 unloaded.add(info); 15729 } else { 15730 Slog.w(TAG, "Failed to unload " + ps.codePath); 15731 } 15732 } 15733 15734 mSettings.writeLPr(); 15735 } 15736 } 15737 15738 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15739 sendResourcesChangedBroadcast(false, false, unloaded, null); 15740 } 15741 15742 /** 15743 * Examine all users present on given mounted volume, and destroy data 15744 * belonging to users that are no longer valid, or whose user ID has been 15745 * recycled. 15746 */ 15747 private void reconcileUsers(String volumeUuid) { 15748 final File[] files = FileUtils 15749 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15750 for (File file : files) { 15751 if (!file.isDirectory()) continue; 15752 15753 final int userId; 15754 final UserInfo info; 15755 try { 15756 userId = Integer.parseInt(file.getName()); 15757 info = sUserManager.getUserInfo(userId); 15758 } catch (NumberFormatException e) { 15759 Slog.w(TAG, "Invalid user directory " + file); 15760 continue; 15761 } 15762 15763 boolean destroyUser = false; 15764 if (info == null) { 15765 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15766 + " because no matching user was found"); 15767 destroyUser = true; 15768 } else { 15769 try { 15770 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15771 } catch (IOException e) { 15772 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15773 + " because we failed to enforce serial number: " + e); 15774 destroyUser = true; 15775 } 15776 } 15777 15778 if (destroyUser) { 15779 synchronized (mInstallLock) { 15780 mInstaller.removeUserDataDirs(volumeUuid, userId); 15781 } 15782 } 15783 } 15784 15785 final UserManager um = mContext.getSystemService(UserManager.class); 15786 for (UserInfo user : um.getUsers()) { 15787 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15788 if (userDir.exists()) continue; 15789 15790 try { 15791 UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id); 15792 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15793 } catch (IOException e) { 15794 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15795 } 15796 } 15797 } 15798 15799 /** 15800 * Examine all apps present on given mounted volume, and destroy apps that 15801 * aren't expected, either due to uninstallation or reinstallation on 15802 * another volume. 15803 */ 15804 private void reconcileApps(String volumeUuid) { 15805 final File[] files = FileUtils 15806 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15807 for (File file : files) { 15808 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15809 && !PackageInstallerService.isStageName(file.getName()); 15810 if (!isPackage) { 15811 // Ignore entries which are not packages 15812 continue; 15813 } 15814 15815 boolean destroyApp = false; 15816 String packageName = null; 15817 try { 15818 final PackageLite pkg = PackageParser.parsePackageLite(file, 15819 PackageParser.PARSE_MUST_BE_APK); 15820 packageName = pkg.packageName; 15821 15822 synchronized (mPackages) { 15823 final PackageSetting ps = mSettings.mPackages.get(packageName); 15824 if (ps == null) { 15825 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15826 + volumeUuid + " because we found no install record"); 15827 destroyApp = true; 15828 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15829 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15830 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15831 destroyApp = true; 15832 } 15833 } 15834 15835 } catch (PackageParserException e) { 15836 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15837 destroyApp = true; 15838 } 15839 15840 if (destroyApp) { 15841 synchronized (mInstallLock) { 15842 if (packageName != null) { 15843 removeDataDirsLI(volumeUuid, packageName); 15844 } 15845 if (file.isDirectory()) { 15846 mInstaller.rmPackageDir(file.getAbsolutePath()); 15847 } else { 15848 file.delete(); 15849 } 15850 } 15851 } 15852 } 15853 } 15854 15855 private void unfreezePackage(String packageName) { 15856 synchronized (mPackages) { 15857 final PackageSetting ps = mSettings.mPackages.get(packageName); 15858 if (ps != null) { 15859 ps.frozen = false; 15860 } 15861 } 15862 } 15863 15864 @Override 15865 public int movePackage(final String packageName, final String volumeUuid) { 15866 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15867 15868 final int moveId = mNextMoveId.getAndIncrement(); 15869 try { 15870 movePackageInternal(packageName, volumeUuid, moveId); 15871 } catch (PackageManagerException e) { 15872 Slog.w(TAG, "Failed to move " + packageName, e); 15873 mMoveCallbacks.notifyStatusChanged(moveId, 15874 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15875 } 15876 return moveId; 15877 } 15878 15879 private void movePackageInternal(final String packageName, final String volumeUuid, 15880 final int moveId) throws PackageManagerException { 15881 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15882 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15883 final PackageManager pm = mContext.getPackageManager(); 15884 15885 final boolean currentAsec; 15886 final String currentVolumeUuid; 15887 final File codeFile; 15888 final String installerPackageName; 15889 final String packageAbiOverride; 15890 final int appId; 15891 final String seinfo; 15892 final String label; 15893 15894 // reader 15895 synchronized (mPackages) { 15896 final PackageParser.Package pkg = mPackages.get(packageName); 15897 final PackageSetting ps = mSettings.mPackages.get(packageName); 15898 if (pkg == null || ps == null) { 15899 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15900 } 15901 15902 if (pkg.applicationInfo.isSystemApp()) { 15903 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15904 "Cannot move system application"); 15905 } 15906 15907 if (pkg.applicationInfo.isExternalAsec()) { 15908 currentAsec = true; 15909 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 15910 } else if (pkg.applicationInfo.isForwardLocked()) { 15911 currentAsec = true; 15912 currentVolumeUuid = "forward_locked"; 15913 } else { 15914 currentAsec = false; 15915 currentVolumeUuid = ps.volumeUuid; 15916 15917 final File probe = new File(pkg.codePath); 15918 final File probeOat = new File(probe, "oat"); 15919 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15920 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15921 "Move only supported for modern cluster style installs"); 15922 } 15923 } 15924 15925 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 15926 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15927 "Package already moved to " + volumeUuid); 15928 } 15929 15930 if (ps.frozen) { 15931 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 15932 "Failed to move already frozen package"); 15933 } 15934 ps.frozen = true; 15935 15936 codeFile = new File(pkg.codePath); 15937 installerPackageName = ps.installerPackageName; 15938 packageAbiOverride = ps.cpuAbiOverrideString; 15939 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15940 seinfo = pkg.applicationInfo.seinfo; 15941 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 15942 } 15943 15944 // Now that we're guarded by frozen state, kill app during move 15945 final long token = Binder.clearCallingIdentity(); 15946 try { 15947 killApplication(packageName, appId, "move pkg"); 15948 } finally { 15949 Binder.restoreCallingIdentity(token); 15950 } 15951 15952 final Bundle extras = new Bundle(); 15953 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 15954 extras.putString(Intent.EXTRA_TITLE, label); 15955 mMoveCallbacks.notifyCreated(moveId, extras); 15956 15957 int installFlags; 15958 final boolean moveCompleteApp; 15959 final File measurePath; 15960 15961 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 15962 installFlags = INSTALL_INTERNAL; 15963 moveCompleteApp = !currentAsec; 15964 measurePath = Environment.getDataAppDirectory(volumeUuid); 15965 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 15966 installFlags = INSTALL_EXTERNAL; 15967 moveCompleteApp = false; 15968 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 15969 } else { 15970 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 15971 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 15972 || !volume.isMountedWritable()) { 15973 unfreezePackage(packageName); 15974 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15975 "Move location not mounted private volume"); 15976 } 15977 15978 Preconditions.checkState(!currentAsec); 15979 15980 installFlags = INSTALL_INTERNAL; 15981 moveCompleteApp = true; 15982 measurePath = Environment.getDataAppDirectory(volumeUuid); 15983 } 15984 15985 final PackageStats stats = new PackageStats(null, -1); 15986 synchronized (mInstaller) { 15987 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 15988 unfreezePackage(packageName); 15989 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15990 "Failed to measure package size"); 15991 } 15992 } 15993 15994 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 15995 + stats.dataSize); 15996 15997 final long startFreeBytes = measurePath.getFreeSpace(); 15998 final long sizeBytes; 15999 if (moveCompleteApp) { 16000 sizeBytes = stats.codeSize + stats.dataSize; 16001 } else { 16002 sizeBytes = stats.codeSize; 16003 } 16004 16005 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16006 unfreezePackage(packageName); 16007 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16008 "Not enough free space to move"); 16009 } 16010 16011 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16012 16013 final CountDownLatch installedLatch = new CountDownLatch(1); 16014 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16015 @Override 16016 public void onUserActionRequired(Intent intent) throws RemoteException { 16017 throw new IllegalStateException(); 16018 } 16019 16020 @Override 16021 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16022 Bundle extras) throws RemoteException { 16023 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16024 + PackageManager.installStatusToString(returnCode, msg)); 16025 16026 installedLatch.countDown(); 16027 16028 // Regardless of success or failure of the move operation, 16029 // always unfreeze the package 16030 unfreezePackage(packageName); 16031 16032 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16033 switch (status) { 16034 case PackageInstaller.STATUS_SUCCESS: 16035 mMoveCallbacks.notifyStatusChanged(moveId, 16036 PackageManager.MOVE_SUCCEEDED); 16037 break; 16038 case PackageInstaller.STATUS_FAILURE_STORAGE: 16039 mMoveCallbacks.notifyStatusChanged(moveId, 16040 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16041 break; 16042 default: 16043 mMoveCallbacks.notifyStatusChanged(moveId, 16044 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16045 break; 16046 } 16047 } 16048 }; 16049 16050 final MoveInfo move; 16051 if (moveCompleteApp) { 16052 // Kick off a thread to report progress estimates 16053 new Thread() { 16054 @Override 16055 public void run() { 16056 while (true) { 16057 try { 16058 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16059 break; 16060 } 16061 } catch (InterruptedException ignored) { 16062 } 16063 16064 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16065 final int progress = 10 + (int) MathUtils.constrain( 16066 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16067 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16068 } 16069 } 16070 }.start(); 16071 16072 final String dataAppName = codeFile.getName(); 16073 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16074 dataAppName, appId, seinfo); 16075 } else { 16076 move = null; 16077 } 16078 16079 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16080 16081 final Message msg = mHandler.obtainMessage(INIT_COPY); 16082 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16083 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 16084 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16085 mHandler.sendMessage(msg); 16086 } 16087 16088 @Override 16089 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16090 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16091 16092 final int realMoveId = mNextMoveId.getAndIncrement(); 16093 final Bundle extras = new Bundle(); 16094 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16095 mMoveCallbacks.notifyCreated(realMoveId, extras); 16096 16097 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16098 @Override 16099 public void onCreated(int moveId, Bundle extras) { 16100 // Ignored 16101 } 16102 16103 @Override 16104 public void onStatusChanged(int moveId, int status, long estMillis) { 16105 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16106 } 16107 }; 16108 16109 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16110 storage.setPrimaryStorageUuid(volumeUuid, callback); 16111 return realMoveId; 16112 } 16113 16114 @Override 16115 public int getMoveStatus(int moveId) { 16116 mContext.enforceCallingOrSelfPermission( 16117 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16118 return mMoveCallbacks.mLastStatus.get(moveId); 16119 } 16120 16121 @Override 16122 public void registerMoveCallback(IPackageMoveObserver callback) { 16123 mContext.enforceCallingOrSelfPermission( 16124 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16125 mMoveCallbacks.register(callback); 16126 } 16127 16128 @Override 16129 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16130 mContext.enforceCallingOrSelfPermission( 16131 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16132 mMoveCallbacks.unregister(callback); 16133 } 16134 16135 @Override 16136 public boolean setInstallLocation(int loc) { 16137 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16138 null); 16139 if (getInstallLocation() == loc) { 16140 return true; 16141 } 16142 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16143 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16144 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16145 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16146 return true; 16147 } 16148 return false; 16149 } 16150 16151 @Override 16152 public int getInstallLocation() { 16153 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16154 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16155 PackageHelper.APP_INSTALL_AUTO); 16156 } 16157 16158 /** Called by UserManagerService */ 16159 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16160 mDirtyUsers.remove(userHandle); 16161 mSettings.removeUserLPw(userHandle); 16162 mPendingBroadcasts.remove(userHandle); 16163 if (mInstaller != null) { 16164 // Technically, we shouldn't be doing this with the package lock 16165 // held. However, this is very rare, and there is already so much 16166 // other disk I/O going on, that we'll let it slide for now. 16167 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16168 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16169 final String volumeUuid = vol.getFsUuid(); 16170 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16171 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16172 } 16173 } 16174 mUserNeedsBadging.delete(userHandle); 16175 removeUnusedPackagesLILPw(userManager, userHandle); 16176 } 16177 16178 /** 16179 * We're removing userHandle and would like to remove any downloaded packages 16180 * that are no longer in use by any other user. 16181 * @param userHandle the user being removed 16182 */ 16183 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16184 final boolean DEBUG_CLEAN_APKS = false; 16185 int [] users = userManager.getUserIdsLPr(); 16186 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16187 while (psit.hasNext()) { 16188 PackageSetting ps = psit.next(); 16189 if (ps.pkg == null) { 16190 continue; 16191 } 16192 final String packageName = ps.pkg.packageName; 16193 // Skip over if system app 16194 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16195 continue; 16196 } 16197 if (DEBUG_CLEAN_APKS) { 16198 Slog.i(TAG, "Checking package " + packageName); 16199 } 16200 boolean keep = false; 16201 for (int i = 0; i < users.length; i++) { 16202 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16203 keep = true; 16204 if (DEBUG_CLEAN_APKS) { 16205 Slog.i(TAG, " Keeping package " + packageName + " for user " 16206 + users[i]); 16207 } 16208 break; 16209 } 16210 } 16211 if (!keep) { 16212 if (DEBUG_CLEAN_APKS) { 16213 Slog.i(TAG, " Removing package " + packageName); 16214 } 16215 mHandler.post(new Runnable() { 16216 public void run() { 16217 deletePackageX(packageName, userHandle, 0); 16218 } //end run 16219 }); 16220 } 16221 } 16222 } 16223 16224 /** Called by UserManagerService */ 16225 void createNewUserLILPw(int userHandle) { 16226 if (mInstaller != null) { 16227 mInstaller.createUserConfig(userHandle); 16228 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16229 applyFactoryDefaultBrowserLPw(userHandle); 16230 primeDomainVerificationsLPw(userHandle); 16231 } 16232 } 16233 16234 void newUserCreated(final int userHandle) { 16235 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16236 } 16237 16238 @Override 16239 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16240 mContext.enforceCallingOrSelfPermission( 16241 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16242 "Only package verification agents can read the verifier device identity"); 16243 16244 synchronized (mPackages) { 16245 return mSettings.getVerifierDeviceIdentityLPw(); 16246 } 16247 } 16248 16249 @Override 16250 public void setPermissionEnforced(String permission, boolean enforced) { 16251 // TODO: Now that we no longer change GID for storage, this should to away. 16252 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16253 "setPermissionEnforced"); 16254 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16255 synchronized (mPackages) { 16256 if (mSettings.mReadExternalStorageEnforced == null 16257 || mSettings.mReadExternalStorageEnforced != enforced) { 16258 mSettings.mReadExternalStorageEnforced = enforced; 16259 mSettings.writeLPr(); 16260 } 16261 } 16262 // kill any non-foreground processes so we restart them and 16263 // grant/revoke the GID. 16264 final IActivityManager am = ActivityManagerNative.getDefault(); 16265 if (am != null) { 16266 final long token = Binder.clearCallingIdentity(); 16267 try { 16268 am.killProcessesBelowForeground("setPermissionEnforcement"); 16269 } catch (RemoteException e) { 16270 } finally { 16271 Binder.restoreCallingIdentity(token); 16272 } 16273 } 16274 } else { 16275 throw new IllegalArgumentException("No selective enforcement for " + permission); 16276 } 16277 } 16278 16279 @Override 16280 @Deprecated 16281 public boolean isPermissionEnforced(String permission) { 16282 return true; 16283 } 16284 16285 @Override 16286 public boolean isStorageLow() { 16287 final long token = Binder.clearCallingIdentity(); 16288 try { 16289 final DeviceStorageMonitorInternal 16290 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16291 if (dsm != null) { 16292 return dsm.isMemoryLow(); 16293 } else { 16294 return false; 16295 } 16296 } finally { 16297 Binder.restoreCallingIdentity(token); 16298 } 16299 } 16300 16301 @Override 16302 public IPackageInstaller getPackageInstaller() { 16303 return mInstallerService; 16304 } 16305 16306 private boolean userNeedsBadging(int userId) { 16307 int index = mUserNeedsBadging.indexOfKey(userId); 16308 if (index < 0) { 16309 final UserInfo userInfo; 16310 final long token = Binder.clearCallingIdentity(); 16311 try { 16312 userInfo = sUserManager.getUserInfo(userId); 16313 } finally { 16314 Binder.restoreCallingIdentity(token); 16315 } 16316 final boolean b; 16317 if (userInfo != null && userInfo.isManagedProfile()) { 16318 b = true; 16319 } else { 16320 b = false; 16321 } 16322 mUserNeedsBadging.put(userId, b); 16323 return b; 16324 } 16325 return mUserNeedsBadging.valueAt(index); 16326 } 16327 16328 @Override 16329 public KeySet getKeySetByAlias(String packageName, String alias) { 16330 if (packageName == null || alias == null) { 16331 return null; 16332 } 16333 synchronized(mPackages) { 16334 final PackageParser.Package pkg = mPackages.get(packageName); 16335 if (pkg == null) { 16336 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16337 throw new IllegalArgumentException("Unknown package: " + packageName); 16338 } 16339 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16340 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16341 } 16342 } 16343 16344 @Override 16345 public KeySet getSigningKeySet(String packageName) { 16346 if (packageName == null) { 16347 return null; 16348 } 16349 synchronized(mPackages) { 16350 final PackageParser.Package pkg = mPackages.get(packageName); 16351 if (pkg == null) { 16352 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16353 throw new IllegalArgumentException("Unknown package: " + packageName); 16354 } 16355 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16356 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16357 throw new SecurityException("May not access signing KeySet of other apps."); 16358 } 16359 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16360 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16361 } 16362 } 16363 16364 @Override 16365 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16366 if (packageName == null || ks == null) { 16367 return false; 16368 } 16369 synchronized(mPackages) { 16370 final PackageParser.Package pkg = mPackages.get(packageName); 16371 if (pkg == null) { 16372 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16373 throw new IllegalArgumentException("Unknown package: " + packageName); 16374 } 16375 IBinder ksh = ks.getToken(); 16376 if (ksh instanceof KeySetHandle) { 16377 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16378 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16379 } 16380 return false; 16381 } 16382 } 16383 16384 @Override 16385 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16386 if (packageName == null || ks == null) { 16387 return false; 16388 } 16389 synchronized(mPackages) { 16390 final PackageParser.Package pkg = mPackages.get(packageName); 16391 if (pkg == null) { 16392 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16393 throw new IllegalArgumentException("Unknown package: " + packageName); 16394 } 16395 IBinder ksh = ks.getToken(); 16396 if (ksh instanceof KeySetHandle) { 16397 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16398 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16399 } 16400 return false; 16401 } 16402 } 16403 16404 public void getUsageStatsIfNoPackageUsageInfo() { 16405 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16406 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16407 if (usm == null) { 16408 throw new IllegalStateException("UsageStatsManager must be initialized"); 16409 } 16410 long now = System.currentTimeMillis(); 16411 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16412 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16413 String packageName = entry.getKey(); 16414 PackageParser.Package pkg = mPackages.get(packageName); 16415 if (pkg == null) { 16416 continue; 16417 } 16418 UsageStats usage = entry.getValue(); 16419 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16420 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16421 } 16422 } 16423 } 16424 16425 /** 16426 * Check and throw if the given before/after packages would be considered a 16427 * downgrade. 16428 */ 16429 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16430 throws PackageManagerException { 16431 if (after.versionCode < before.mVersionCode) { 16432 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16433 "Update version code " + after.versionCode + " is older than current " 16434 + before.mVersionCode); 16435 } else if (after.versionCode == before.mVersionCode) { 16436 if (after.baseRevisionCode < before.baseRevisionCode) { 16437 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16438 "Update base revision code " + after.baseRevisionCode 16439 + " is older than current " + before.baseRevisionCode); 16440 } 16441 16442 if (!ArrayUtils.isEmpty(after.splitNames)) { 16443 for (int i = 0; i < after.splitNames.length; i++) { 16444 final String splitName = after.splitNames[i]; 16445 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16446 if (j != -1) { 16447 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16448 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16449 "Update split " + splitName + " revision code " 16450 + after.splitRevisionCodes[i] + " is older than current " 16451 + before.splitRevisionCodes[j]); 16452 } 16453 } 16454 } 16455 } 16456 } 16457 } 16458 16459 private static class MoveCallbacks extends Handler { 16460 private static final int MSG_CREATED = 1; 16461 private static final int MSG_STATUS_CHANGED = 2; 16462 16463 private final RemoteCallbackList<IPackageMoveObserver> 16464 mCallbacks = new RemoteCallbackList<>(); 16465 16466 private final SparseIntArray mLastStatus = new SparseIntArray(); 16467 16468 public MoveCallbacks(Looper looper) { 16469 super(looper); 16470 } 16471 16472 public void register(IPackageMoveObserver callback) { 16473 mCallbacks.register(callback); 16474 } 16475 16476 public void unregister(IPackageMoveObserver callback) { 16477 mCallbacks.unregister(callback); 16478 } 16479 16480 @Override 16481 public void handleMessage(Message msg) { 16482 final SomeArgs args = (SomeArgs) msg.obj; 16483 final int n = mCallbacks.beginBroadcast(); 16484 for (int i = 0; i < n; i++) { 16485 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16486 try { 16487 invokeCallback(callback, msg.what, args); 16488 } catch (RemoteException ignored) { 16489 } 16490 } 16491 mCallbacks.finishBroadcast(); 16492 args.recycle(); 16493 } 16494 16495 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16496 throws RemoteException { 16497 switch (what) { 16498 case MSG_CREATED: { 16499 callback.onCreated(args.argi1, (Bundle) args.arg2); 16500 break; 16501 } 16502 case MSG_STATUS_CHANGED: { 16503 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16504 break; 16505 } 16506 } 16507 } 16508 16509 private void notifyCreated(int moveId, Bundle extras) { 16510 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16511 16512 final SomeArgs args = SomeArgs.obtain(); 16513 args.argi1 = moveId; 16514 args.arg2 = extras; 16515 obtainMessage(MSG_CREATED, args).sendToTarget(); 16516 } 16517 16518 private void notifyStatusChanged(int moveId, int status) { 16519 notifyStatusChanged(moveId, status, -1); 16520 } 16521 16522 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16523 Slog.v(TAG, "Move " + moveId + " status " + status); 16524 16525 final SomeArgs args = SomeArgs.obtain(); 16526 args.argi1 = moveId; 16527 args.argi2 = status; 16528 args.arg3 = estMillis; 16529 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16530 16531 synchronized (mLastStatus) { 16532 mLastStatus.put(moveId, status); 16533 } 16534 } 16535 } 16536 16537 private final class OnPermissionChangeListeners extends Handler { 16538 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16539 16540 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16541 new RemoteCallbackList<>(); 16542 16543 public OnPermissionChangeListeners(Looper looper) { 16544 super(looper); 16545 } 16546 16547 @Override 16548 public void handleMessage(Message msg) { 16549 switch (msg.what) { 16550 case MSG_ON_PERMISSIONS_CHANGED: { 16551 final int uid = msg.arg1; 16552 handleOnPermissionsChanged(uid); 16553 } break; 16554 } 16555 } 16556 16557 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16558 mPermissionListeners.register(listener); 16559 16560 } 16561 16562 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16563 mPermissionListeners.unregister(listener); 16564 } 16565 16566 public void onPermissionsChanged(int uid) { 16567 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16568 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16569 } 16570 } 16571 16572 private void handleOnPermissionsChanged(int uid) { 16573 final int count = mPermissionListeners.beginBroadcast(); 16574 try { 16575 for (int i = 0; i < count; i++) { 16576 IOnPermissionsChangeListener callback = mPermissionListeners 16577 .getBroadcastItem(i); 16578 try { 16579 callback.onPermissionsChanged(uid); 16580 } catch (RemoteException e) { 16581 Log.e(TAG, "Permission listener is dead", e); 16582 } 16583 } 16584 } finally { 16585 mPermissionListeners.finishBroadcast(); 16586 } 16587 } 16588 } 16589 16590 private class PackageManagerInternalImpl extends PackageManagerInternal { 16591 @Override 16592 public void setLocationPackagesProvider(PackagesProvider provider) { 16593 synchronized (mPackages) { 16594 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16595 } 16596 } 16597 16598 @Override 16599 public void setImePackagesProvider(PackagesProvider provider) { 16600 synchronized (mPackages) { 16601 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16602 } 16603 } 16604 16605 @Override 16606 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16607 synchronized (mPackages) { 16608 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16609 } 16610 } 16611 16612 @Override 16613 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16614 synchronized (mPackages) { 16615 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16616 } 16617 } 16618 16619 @Override 16620 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16621 synchronized (mPackages) { 16622 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16623 } 16624 } 16625 16626 @Override 16627 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16628 synchronized (mPackages) { 16629 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16630 } 16631 } 16632 16633 @Override 16634 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16635 synchronized (mPackages) { 16636 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16637 } 16638 } 16639 16640 @Override 16641 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16642 synchronized (mPackages) { 16643 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16644 packageName, userId); 16645 } 16646 } 16647 16648 @Override 16649 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16650 synchronized (mPackages) { 16651 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16652 packageName, userId); 16653 } 16654 } 16655 @Override 16656 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16657 synchronized (mPackages) { 16658 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16659 packageName, userId); 16660 } 16661 } 16662 } 16663 16664 @Override 16665 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16666 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16667 synchronized (mPackages) { 16668 final long identity = Binder.clearCallingIdentity(); 16669 try { 16670 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16671 packageNames, userId); 16672 } finally { 16673 Binder.restoreCallingIdentity(identity); 16674 } 16675 } 16676 } 16677 16678 private static void enforceSystemOrPhoneCaller(String tag) { 16679 int callingUid = Binder.getCallingUid(); 16680 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16681 throw new SecurityException( 16682 "Cannot call " + tag + " from UID " + callingUid); 16683 } 16684 } 16685} 16686