PackageManagerService.java revision 1809ccc62e6c3649b3024a099dccccb3b773cf49
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 synchronized (mPackages) { 1718 for (String permission : pkg.requestedPermissions) { 1719 BasePermission bp = mSettings.mPermissions.get(permission); 1720 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1721 && (grantedPermissions == null 1722 || ArrayUtils.contains(grantedPermissions, permission)) 1723 && (getPermissionFlags(permission, pkg.packageName, userId) 1724 & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) == 0) { 1725 grantRuntimePermission(pkg.packageName, permission, userId); 1726 } 1727 } 1728 } 1729 } 1730 1731 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1732 Bundle extras = null; 1733 switch (res.returnCode) { 1734 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1735 extras = new Bundle(); 1736 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1737 res.origPermission); 1738 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1739 res.origPackage); 1740 break; 1741 } 1742 case PackageManager.INSTALL_SUCCEEDED: { 1743 extras = new Bundle(); 1744 extras.putBoolean(Intent.EXTRA_REPLACING, 1745 res.removedInfo != null && res.removedInfo.removedPackage != null); 1746 break; 1747 } 1748 } 1749 return extras; 1750 } 1751 1752 void scheduleWriteSettingsLocked() { 1753 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1754 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1755 } 1756 } 1757 1758 void scheduleWritePackageRestrictionsLocked(int userId) { 1759 if (!sUserManager.exists(userId)) return; 1760 mDirtyUsers.add(userId); 1761 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1762 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1763 } 1764 } 1765 1766 public static PackageManagerService main(Context context, Installer installer, 1767 boolean factoryTest, boolean onlyCore) { 1768 PackageManagerService m = new PackageManagerService(context, installer, 1769 factoryTest, onlyCore); 1770 ServiceManager.addService("package", m); 1771 return m; 1772 } 1773 1774 static String[] splitString(String str, char sep) { 1775 int count = 1; 1776 int i = 0; 1777 while ((i=str.indexOf(sep, i)) >= 0) { 1778 count++; 1779 i++; 1780 } 1781 1782 String[] res = new String[count]; 1783 i=0; 1784 count = 0; 1785 int lastI=0; 1786 while ((i=str.indexOf(sep, i)) >= 0) { 1787 res[count] = str.substring(lastI, i); 1788 count++; 1789 i++; 1790 lastI = i; 1791 } 1792 res[count] = str.substring(lastI, str.length()); 1793 return res; 1794 } 1795 1796 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1797 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1798 Context.DISPLAY_SERVICE); 1799 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1800 } 1801 1802 public PackageManagerService(Context context, Installer installer, 1803 boolean factoryTest, boolean onlyCore) { 1804 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1805 SystemClock.uptimeMillis()); 1806 1807 if (mSdkVersion <= 0) { 1808 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1809 } 1810 1811 mContext = context; 1812 mFactoryTest = factoryTest; 1813 mOnlyCore = onlyCore; 1814 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1815 mMetrics = new DisplayMetrics(); 1816 mSettings = new Settings(mPackages); 1817 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1818 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1819 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1820 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1821 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1822 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1823 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1824 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1825 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1826 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1827 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1828 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1829 1830 // TODO: add a property to control this? 1831 long dexOptLRUThresholdInMinutes; 1832 if (mLazyDexOpt) { 1833 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1834 } else { 1835 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1836 } 1837 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1838 1839 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1840 if (separateProcesses != null && separateProcesses.length() > 0) { 1841 if ("*".equals(separateProcesses)) { 1842 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1843 mSeparateProcesses = null; 1844 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1845 } else { 1846 mDefParseFlags = 0; 1847 mSeparateProcesses = separateProcesses.split(","); 1848 Slog.w(TAG, "Running with debug.separate_processes: " 1849 + separateProcesses); 1850 } 1851 } else { 1852 mDefParseFlags = 0; 1853 mSeparateProcesses = null; 1854 } 1855 1856 mInstaller = installer; 1857 mPackageDexOptimizer = new PackageDexOptimizer(this); 1858 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1859 1860 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1861 FgThread.get().getLooper()); 1862 1863 getDefaultDisplayMetrics(context, mMetrics); 1864 1865 SystemConfig systemConfig = SystemConfig.getInstance(); 1866 mGlobalGids = systemConfig.getGlobalGids(); 1867 mSystemPermissions = systemConfig.getSystemPermissions(); 1868 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1869 1870 synchronized (mInstallLock) { 1871 // writer 1872 synchronized (mPackages) { 1873 mHandlerThread = new ServiceThread(TAG, 1874 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1875 mHandlerThread.start(); 1876 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1877 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1878 1879 File dataDir = Environment.getDataDirectory(); 1880 mAppDataDir = new File(dataDir, "data"); 1881 mAppInstallDir = new File(dataDir, "app"); 1882 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1883 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1884 mUserAppDataDir = new File(dataDir, "user"); 1885 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1886 1887 sUserManager = new UserManagerService(context, this, 1888 mInstallLock, mPackages); 1889 1890 // Propagate permission configuration in to package manager. 1891 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1892 = systemConfig.getPermissions(); 1893 for (int i=0; i<permConfig.size(); i++) { 1894 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1895 BasePermission bp = mSettings.mPermissions.get(perm.name); 1896 if (bp == null) { 1897 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1898 mSettings.mPermissions.put(perm.name, bp); 1899 } 1900 if (perm.gids != null) { 1901 bp.setGids(perm.gids, perm.perUser); 1902 } 1903 } 1904 1905 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1906 for (int i=0; i<libConfig.size(); i++) { 1907 mSharedLibraries.put(libConfig.keyAt(i), 1908 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1909 } 1910 1911 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1912 1913 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1914 mSdkVersion, mOnlyCore); 1915 1916 String customResolverActivity = Resources.getSystem().getString( 1917 R.string.config_customResolverActivity); 1918 if (TextUtils.isEmpty(customResolverActivity)) { 1919 customResolverActivity = null; 1920 } else { 1921 mCustomResolverComponentName = ComponentName.unflattenFromString( 1922 customResolverActivity); 1923 } 1924 1925 long startTime = SystemClock.uptimeMillis(); 1926 1927 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1928 startTime); 1929 1930 // Set flag to monitor and not change apk file paths when 1931 // scanning install directories. 1932 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1933 1934 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1935 1936 /** 1937 * Add everything in the in the boot class path to the 1938 * list of process files because dexopt will have been run 1939 * if necessary during zygote startup. 1940 */ 1941 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1942 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1943 1944 if (bootClassPath != null) { 1945 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1946 for (String element : bootClassPathElements) { 1947 alreadyDexOpted.add(element); 1948 } 1949 } else { 1950 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1951 } 1952 1953 if (systemServerClassPath != null) { 1954 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1955 for (String element : systemServerClassPathElements) { 1956 alreadyDexOpted.add(element); 1957 } 1958 } else { 1959 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1960 } 1961 1962 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1963 final String[] dexCodeInstructionSets = 1964 getDexCodeInstructionSets( 1965 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1966 1967 /** 1968 * Ensure all external libraries have had dexopt run on them. 1969 */ 1970 if (mSharedLibraries.size() > 0) { 1971 // NOTE: For now, we're compiling these system "shared libraries" 1972 // (and framework jars) into all available architectures. It's possible 1973 // to compile them only when we come across an app that uses them (there's 1974 // already logic for that in scanPackageLI) but that adds some complexity. 1975 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1976 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1977 final String lib = libEntry.path; 1978 if (lib == null) { 1979 continue; 1980 } 1981 1982 try { 1983 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1984 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1985 alreadyDexOpted.add(lib); 1986 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 1987 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 1988 } 1989 } catch (FileNotFoundException e) { 1990 Slog.w(TAG, "Library not found: " + lib); 1991 } catch (IOException e) { 1992 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1993 + e.getMessage()); 1994 } 1995 } 1996 } 1997 } 1998 1999 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2000 2001 // Gross hack for now: we know this file doesn't contain any 2002 // code, so don't dexopt it to avoid the resulting log spew. 2003 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 2004 2005 // Gross hack for now: we know this file is only part of 2006 // the boot class path for art, so don't dexopt it to 2007 // avoid the resulting log spew. 2008 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2009 2010 /** 2011 * There are a number of commands implemented in Java, which 2012 * we currently need to do the dexopt on so that they can be 2013 * run from a non-root shell. 2014 */ 2015 String[] frameworkFiles = frameworkDir.list(); 2016 if (frameworkFiles != null) { 2017 // TODO: We could compile these only for the most preferred ABI. We should 2018 // first double check that the dex files for these commands are not referenced 2019 // by other system apps. 2020 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2021 for (int i=0; i<frameworkFiles.length; i++) { 2022 File libPath = new File(frameworkDir, frameworkFiles[i]); 2023 String path = libPath.getPath(); 2024 // Skip the file if we already did it. 2025 if (alreadyDexOpted.contains(path)) { 2026 continue; 2027 } 2028 // Skip the file if it is not a type we want to dexopt. 2029 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2030 continue; 2031 } 2032 try { 2033 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2034 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2035 mInstaller.dexopt(path, Process.SYSTEM_UID, dexCodeInstructionSet, 2036 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2037 } 2038 } catch (FileNotFoundException e) { 2039 Slog.w(TAG, "Jar not found: " + path); 2040 } catch (IOException e) { 2041 Slog.w(TAG, "Exception reading jar: " + path, e); 2042 } 2043 } 2044 } 2045 } 2046 2047 final VersionInfo ver = mSettings.getInternalVersion(); 2048 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2049 // when upgrading from pre-M, promote system app permissions from install to runtime 2050 mPromoteSystemApps = 2051 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2052 2053 // save off the names of pre-existing system packages prior to scanning; we don't 2054 // want to automatically grant runtime permissions for new system apps 2055 if (mPromoteSystemApps) { 2056 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2057 while (pkgSettingIter.hasNext()) { 2058 PackageSetting ps = pkgSettingIter.next(); 2059 if (isSystemApp(ps)) { 2060 mExistingSystemPackages.add(ps.name); 2061 } 2062 } 2063 } 2064 2065 // Collect vendor overlay packages. 2066 // (Do this before scanning any apps.) 2067 // For security and version matching reason, only consider 2068 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2069 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2070 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2071 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2072 2073 // Find base frameworks (resource packages without code). 2074 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2075 | PackageParser.PARSE_IS_SYSTEM_DIR 2076 | PackageParser.PARSE_IS_PRIVILEGED, 2077 scanFlags | SCAN_NO_DEX, 0); 2078 2079 // Collected privileged system packages. 2080 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2081 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2082 | PackageParser.PARSE_IS_SYSTEM_DIR 2083 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2084 2085 // Collect ordinary system packages. 2086 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2087 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2088 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2089 2090 // Collect all vendor packages. 2091 File vendorAppDir = new File("/vendor/app"); 2092 try { 2093 vendorAppDir = vendorAppDir.getCanonicalFile(); 2094 } catch (IOException e) { 2095 // failed to look up canonical path, continue with original one 2096 } 2097 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2098 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2099 2100 // Collect all OEM packages. 2101 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2102 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2103 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2104 2105 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2106 mInstaller.moveFiles(); 2107 2108 // Prune any system packages that no longer exist. 2109 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2110 if (!mOnlyCore) { 2111 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2112 while (psit.hasNext()) { 2113 PackageSetting ps = psit.next(); 2114 2115 /* 2116 * If this is not a system app, it can't be a 2117 * disable system app. 2118 */ 2119 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2120 continue; 2121 } 2122 2123 /* 2124 * If the package is scanned, it's not erased. 2125 */ 2126 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2127 if (scannedPkg != null) { 2128 /* 2129 * If the system app is both scanned and in the 2130 * disabled packages list, then it must have been 2131 * added via OTA. Remove it from the currently 2132 * scanned package so the previously user-installed 2133 * application can be scanned. 2134 */ 2135 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2136 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2137 + ps.name + "; removing system app. Last known codePath=" 2138 + ps.codePathString + ", installStatus=" + ps.installStatus 2139 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2140 + scannedPkg.mVersionCode); 2141 removePackageLI(ps, true); 2142 mExpectingBetter.put(ps.name, ps.codePath); 2143 } 2144 2145 continue; 2146 } 2147 2148 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2149 psit.remove(); 2150 logCriticalInfo(Log.WARN, "System package " + ps.name 2151 + " no longer exists; wiping its data"); 2152 removeDataDirsLI(null, ps.name); 2153 } else { 2154 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2155 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2156 possiblyDeletedUpdatedSystemApps.add(ps.name); 2157 } 2158 } 2159 } 2160 } 2161 2162 //look for any incomplete package installations 2163 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2164 //clean up list 2165 for(int i = 0; i < deletePkgsList.size(); i++) { 2166 //clean up here 2167 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2168 } 2169 //delete tmp files 2170 deleteTempPackageFiles(); 2171 2172 // Remove any shared userIDs that have no associated packages 2173 mSettings.pruneSharedUsersLPw(); 2174 2175 if (!mOnlyCore) { 2176 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2177 SystemClock.uptimeMillis()); 2178 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2179 2180 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2181 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2182 2183 /** 2184 * Remove disable package settings for any updated system 2185 * apps that were removed via an OTA. If they're not a 2186 * previously-updated app, remove them completely. 2187 * Otherwise, just revoke their system-level permissions. 2188 */ 2189 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2190 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2191 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2192 2193 String msg; 2194 if (deletedPkg == null) { 2195 msg = "Updated system package " + deletedAppName 2196 + " no longer exists; wiping its data"; 2197 removeDataDirsLI(null, deletedAppName); 2198 } else { 2199 msg = "Updated system app + " + deletedAppName 2200 + " no longer present; removing system privileges for " 2201 + deletedAppName; 2202 2203 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2204 2205 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2206 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2207 } 2208 logCriticalInfo(Log.WARN, msg); 2209 } 2210 2211 /** 2212 * Make sure all system apps that we expected to appear on 2213 * the userdata partition actually showed up. If they never 2214 * appeared, crawl back and revive the system version. 2215 */ 2216 for (int i = 0; i < mExpectingBetter.size(); i++) { 2217 final String packageName = mExpectingBetter.keyAt(i); 2218 if (!mPackages.containsKey(packageName)) { 2219 final File scanFile = mExpectingBetter.valueAt(i); 2220 2221 logCriticalInfo(Log.WARN, "Expected better " + packageName 2222 + " but never showed up; reverting to system"); 2223 2224 final int reparseFlags; 2225 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2226 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2227 | PackageParser.PARSE_IS_SYSTEM_DIR 2228 | PackageParser.PARSE_IS_PRIVILEGED; 2229 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2230 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2231 | PackageParser.PARSE_IS_SYSTEM_DIR; 2232 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2233 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2234 | PackageParser.PARSE_IS_SYSTEM_DIR; 2235 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2236 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2237 | PackageParser.PARSE_IS_SYSTEM_DIR; 2238 } else { 2239 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2240 continue; 2241 } 2242 2243 mSettings.enableSystemPackageLPw(packageName); 2244 2245 try { 2246 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2247 } catch (PackageManagerException e) { 2248 Slog.e(TAG, "Failed to parse original system package: " 2249 + e.getMessage()); 2250 } 2251 } 2252 } 2253 } 2254 mExpectingBetter.clear(); 2255 2256 // Now that we know all of the shared libraries, update all clients to have 2257 // the correct library paths. 2258 updateAllSharedLibrariesLPw(); 2259 2260 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2261 // NOTE: We ignore potential failures here during a system scan (like 2262 // the rest of the commands above) because there's precious little we 2263 // can do about it. A settings error is reported, though. 2264 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2265 false /* force dexopt */, false /* defer dexopt */, 2266 false /* boot complete */); 2267 } 2268 2269 // Now that we know all the packages we are keeping, 2270 // read and update their last usage times. 2271 mPackageUsage.readLP(); 2272 2273 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2274 SystemClock.uptimeMillis()); 2275 Slog.i(TAG, "Time to scan packages: " 2276 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2277 + " seconds"); 2278 2279 // If the platform SDK has changed since the last time we booted, 2280 // we need to re-grant app permission to catch any new ones that 2281 // appear. This is really a hack, and means that apps can in some 2282 // cases get permissions that the user didn't initially explicitly 2283 // allow... it would be nice to have some better way to handle 2284 // this situation. 2285 int updateFlags = UPDATE_PERMISSIONS_ALL; 2286 if (ver.sdkVersion != mSdkVersion) { 2287 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2288 + mSdkVersion + "; regranting permissions for internal storage"); 2289 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2290 } 2291 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2292 ver.sdkVersion = mSdkVersion; 2293 2294 // If this is the first boot or an update from pre-M, and it is a normal 2295 // boot, then we need to initialize the default preferred apps across 2296 // all defined users. 2297 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2298 for (UserInfo user : sUserManager.getUsers(true)) { 2299 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2300 applyFactoryDefaultBrowserLPw(user.id); 2301 primeDomainVerificationsLPw(user.id); 2302 } 2303 } 2304 2305 // If this is first boot after an OTA, and a normal boot, then 2306 // we need to clear code cache directories. 2307 if (mIsUpgrade && !onlyCore) { 2308 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2309 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2310 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2311 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2312 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2313 } 2314 } 2315 ver.fingerprint = Build.FINGERPRINT; 2316 } 2317 2318 checkDefaultBrowser(); 2319 2320 // clear only after permissions and other defaults have been updated 2321 mExistingSystemPackages.clear(); 2322 mPromoteSystemApps = false; 2323 2324 // All the changes are done during package scanning. 2325 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2326 2327 // can downgrade to reader 2328 mSettings.writeLPr(); 2329 2330 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2331 SystemClock.uptimeMillis()); 2332 2333 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2334 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2335 2336 mInstallerService = new PackageInstallerService(context, this); 2337 2338 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2339 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2340 mIntentFilterVerifierComponent); 2341 2342 } // synchronized (mPackages) 2343 } // synchronized (mInstallLock) 2344 2345 // Now after opening every single application zip, make sure they 2346 // are all flushed. Not really needed, but keeps things nice and 2347 // tidy. 2348 Runtime.getRuntime().gc(); 2349 2350 // Expose private service for system components to use. 2351 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2352 } 2353 2354 @Override 2355 public boolean isFirstBoot() { 2356 return !mRestoredSettings; 2357 } 2358 2359 @Override 2360 public boolean isOnlyCoreApps() { 2361 return mOnlyCore; 2362 } 2363 2364 @Override 2365 public boolean isUpgrade() { 2366 return mIsUpgrade; 2367 } 2368 2369 private String getRequiredVerifierLPr() { 2370 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2371 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2372 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2373 2374 String requiredVerifier = null; 2375 2376 final int N = receivers.size(); 2377 for (int i = 0; i < N; i++) { 2378 final ResolveInfo info = receivers.get(i); 2379 2380 if (info.activityInfo == null) { 2381 continue; 2382 } 2383 2384 final String packageName = info.activityInfo.packageName; 2385 2386 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2387 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2388 continue; 2389 } 2390 2391 if (requiredVerifier != null) { 2392 throw new RuntimeException("There can be only one required verifier"); 2393 } 2394 2395 requiredVerifier = packageName; 2396 } 2397 2398 return requiredVerifier; 2399 } 2400 2401 private String getRequiredInstallerLPr() { 2402 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2403 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2404 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2405 2406 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2407 PACKAGE_MIME_TYPE, 0, 0); 2408 2409 String requiredInstaller = null; 2410 2411 final int N = installers.size(); 2412 for (int i = 0; i < N; i++) { 2413 final ResolveInfo info = installers.get(i); 2414 final String packageName = info.activityInfo.packageName; 2415 2416 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2417 continue; 2418 } 2419 2420 if (requiredInstaller != null) { 2421 throw new RuntimeException("There must be one required installer"); 2422 } 2423 2424 requiredInstaller = packageName; 2425 } 2426 2427 if (requiredInstaller == null) { 2428 throw new RuntimeException("There must be one required installer"); 2429 } 2430 2431 return requiredInstaller; 2432 } 2433 2434 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2435 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2436 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2437 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2438 2439 ComponentName verifierComponentName = null; 2440 2441 int priority = -1000; 2442 final int N = receivers.size(); 2443 for (int i = 0; i < N; i++) { 2444 final ResolveInfo info = receivers.get(i); 2445 2446 if (info.activityInfo == null) { 2447 continue; 2448 } 2449 2450 final String packageName = info.activityInfo.packageName; 2451 2452 final PackageSetting ps = mSettings.mPackages.get(packageName); 2453 if (ps == null) { 2454 continue; 2455 } 2456 2457 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2458 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2459 continue; 2460 } 2461 2462 // Select the IntentFilterVerifier with the highest priority 2463 if (priority < info.priority) { 2464 priority = info.priority; 2465 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2466 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2467 + verifierComponentName + " with priority: " + info.priority); 2468 } 2469 } 2470 2471 return verifierComponentName; 2472 } 2473 2474 private void primeDomainVerificationsLPw(int userId) { 2475 if (DEBUG_DOMAIN_VERIFICATION) { 2476 Slog.d(TAG, "Priming domain verifications in user " + userId); 2477 } 2478 2479 SystemConfig systemConfig = SystemConfig.getInstance(); 2480 ArraySet<String> packages = systemConfig.getLinkedApps(); 2481 ArraySet<String> domains = new ArraySet<String>(); 2482 2483 for (String packageName : packages) { 2484 PackageParser.Package pkg = mPackages.get(packageName); 2485 if (pkg != null) { 2486 if (!pkg.isSystemApp()) { 2487 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2488 continue; 2489 } 2490 2491 domains.clear(); 2492 for (PackageParser.Activity a : pkg.activities) { 2493 for (ActivityIntentInfo filter : a.intents) { 2494 if (hasValidDomains(filter)) { 2495 domains.addAll(filter.getHostsList()); 2496 } 2497 } 2498 } 2499 2500 if (domains.size() > 0) { 2501 if (DEBUG_DOMAIN_VERIFICATION) { 2502 Slog.v(TAG, " + " + packageName); 2503 } 2504 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2505 // state w.r.t. the formal app-linkage "no verification attempted" state; 2506 // and then 'always' in the per-user state actually used for intent resolution. 2507 final IntentFilterVerificationInfo ivi; 2508 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2509 new ArrayList<String>(domains)); 2510 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2511 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2512 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2513 } else { 2514 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2515 + "' does not handle web links"); 2516 } 2517 } else { 2518 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2519 } 2520 } 2521 2522 scheduleWritePackageRestrictionsLocked(userId); 2523 scheduleWriteSettingsLocked(); 2524 } 2525 2526 private void applyFactoryDefaultBrowserLPw(int userId) { 2527 // The default browser app's package name is stored in a string resource, 2528 // with a product-specific overlay used for vendor customization. 2529 String browserPkg = mContext.getResources().getString( 2530 com.android.internal.R.string.default_browser); 2531 if (!TextUtils.isEmpty(browserPkg)) { 2532 // non-empty string => required to be a known package 2533 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2534 if (ps == null) { 2535 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2536 browserPkg = null; 2537 } else { 2538 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2539 } 2540 } 2541 2542 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2543 // default. If there's more than one, just leave everything alone. 2544 if (browserPkg == null) { 2545 calculateDefaultBrowserLPw(userId); 2546 } 2547 } 2548 2549 private void calculateDefaultBrowserLPw(int userId) { 2550 List<String> allBrowsers = resolveAllBrowserApps(userId); 2551 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2552 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2553 } 2554 2555 private List<String> resolveAllBrowserApps(int userId) { 2556 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2557 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2558 PackageManager.MATCH_ALL, userId); 2559 2560 final int count = list.size(); 2561 List<String> result = new ArrayList<String>(count); 2562 for (int i=0; i<count; i++) { 2563 ResolveInfo info = list.get(i); 2564 if (info.activityInfo == null 2565 || !info.handleAllWebDataURI 2566 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2567 || result.contains(info.activityInfo.packageName)) { 2568 continue; 2569 } 2570 result.add(info.activityInfo.packageName); 2571 } 2572 2573 return result; 2574 } 2575 2576 private boolean packageIsBrowser(String packageName, int userId) { 2577 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2578 PackageManager.MATCH_ALL, userId); 2579 final int N = list.size(); 2580 for (int i = 0; i < N; i++) { 2581 ResolveInfo info = list.get(i); 2582 if (packageName.equals(info.activityInfo.packageName)) { 2583 return true; 2584 } 2585 } 2586 return false; 2587 } 2588 2589 private void checkDefaultBrowser() { 2590 final int myUserId = UserHandle.myUserId(); 2591 final String packageName = getDefaultBrowserPackageName(myUserId); 2592 if (packageName != null) { 2593 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2594 if (info == null) { 2595 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2596 synchronized (mPackages) { 2597 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2598 } 2599 } 2600 } 2601 } 2602 2603 @Override 2604 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2605 throws RemoteException { 2606 try { 2607 return super.onTransact(code, data, reply, flags); 2608 } catch (RuntimeException e) { 2609 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2610 Slog.wtf(TAG, "Package Manager Crash", e); 2611 } 2612 throw e; 2613 } 2614 } 2615 2616 void cleanupInstallFailedPackage(PackageSetting ps) { 2617 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2618 2619 removeDataDirsLI(ps.volumeUuid, ps.name); 2620 if (ps.codePath != null) { 2621 if (ps.codePath.isDirectory()) { 2622 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2623 } else { 2624 ps.codePath.delete(); 2625 } 2626 } 2627 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2628 if (ps.resourcePath.isDirectory()) { 2629 FileUtils.deleteContents(ps.resourcePath); 2630 } 2631 ps.resourcePath.delete(); 2632 } 2633 mSettings.removePackageLPw(ps.name); 2634 } 2635 2636 static int[] appendInts(int[] cur, int[] add) { 2637 if (add == null) return cur; 2638 if (cur == null) return add; 2639 final int N = add.length; 2640 for (int i=0; i<N; i++) { 2641 cur = appendInt(cur, add[i]); 2642 } 2643 return cur; 2644 } 2645 2646 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2647 if (!sUserManager.exists(userId)) return null; 2648 final PackageSetting ps = (PackageSetting) p.mExtras; 2649 if (ps == null) { 2650 return null; 2651 } 2652 2653 final PermissionsState permissionsState = ps.getPermissionsState(); 2654 2655 final int[] gids = permissionsState.computeGids(userId); 2656 final Set<String> permissions = permissionsState.getPermissions(userId); 2657 final PackageUserState state = ps.readUserState(userId); 2658 2659 return PackageParser.generatePackageInfo(p, gids, flags, 2660 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2661 } 2662 2663 @Override 2664 public boolean isPackageFrozen(String packageName) { 2665 synchronized (mPackages) { 2666 final PackageSetting ps = mSettings.mPackages.get(packageName); 2667 if (ps != null) { 2668 return ps.frozen; 2669 } 2670 } 2671 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2672 return true; 2673 } 2674 2675 @Override 2676 public boolean isPackageAvailable(String packageName, int userId) { 2677 if (!sUserManager.exists(userId)) return false; 2678 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2679 synchronized (mPackages) { 2680 PackageParser.Package p = mPackages.get(packageName); 2681 if (p != null) { 2682 final PackageSetting ps = (PackageSetting) p.mExtras; 2683 if (ps != null) { 2684 final PackageUserState state = ps.readUserState(userId); 2685 if (state != null) { 2686 return PackageParser.isAvailable(state); 2687 } 2688 } 2689 } 2690 } 2691 return false; 2692 } 2693 2694 @Override 2695 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2696 if (!sUserManager.exists(userId)) return null; 2697 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2698 // reader 2699 synchronized (mPackages) { 2700 PackageParser.Package p = mPackages.get(packageName); 2701 if (DEBUG_PACKAGE_INFO) 2702 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2703 if (p != null) { 2704 return generatePackageInfo(p, flags, userId); 2705 } 2706 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2707 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2708 } 2709 } 2710 return null; 2711 } 2712 2713 @Override 2714 public String[] currentToCanonicalPackageNames(String[] names) { 2715 String[] out = new String[names.length]; 2716 // reader 2717 synchronized (mPackages) { 2718 for (int i=names.length-1; i>=0; i--) { 2719 PackageSetting ps = mSettings.mPackages.get(names[i]); 2720 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2721 } 2722 } 2723 return out; 2724 } 2725 2726 @Override 2727 public String[] canonicalToCurrentPackageNames(String[] names) { 2728 String[] out = new String[names.length]; 2729 // reader 2730 synchronized (mPackages) { 2731 for (int i=names.length-1; i>=0; i--) { 2732 String cur = mSettings.mRenamedPackages.get(names[i]); 2733 out[i] = cur != null ? cur : names[i]; 2734 } 2735 } 2736 return out; 2737 } 2738 2739 @Override 2740 public int getPackageUid(String packageName, int userId) { 2741 return getPackageUidEtc(packageName, 0, userId); 2742 } 2743 2744 @Override 2745 public int getPackageUidEtc(String packageName, int flags, int userId) { 2746 if (!sUserManager.exists(userId)) return -1; 2747 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2748 2749 // reader 2750 synchronized (mPackages) { 2751 final PackageParser.Package p = mPackages.get(packageName); 2752 if (p != null) { 2753 return UserHandle.getUid(userId, p.applicationInfo.uid); 2754 } 2755 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2756 final PackageSetting ps = mSettings.mPackages.get(packageName); 2757 if (ps != null) { 2758 return UserHandle.getUid(userId, ps.appId); 2759 } 2760 } 2761 } 2762 2763 return -1; 2764 } 2765 2766 @Override 2767 public int[] getPackageGids(String packageName, int userId) { 2768 return getPackageGidsEtc(packageName, 0, userId); 2769 } 2770 2771 @Override 2772 public int[] getPackageGidsEtc(String packageName, int flags, int userId) { 2773 if (!sUserManager.exists(userId)) { 2774 return null; 2775 } 2776 2777 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2778 "getPackageGids"); 2779 2780 // reader 2781 synchronized (mPackages) { 2782 final PackageParser.Package p = mPackages.get(packageName); 2783 if (p != null) { 2784 PackageSetting ps = (PackageSetting) p.mExtras; 2785 return ps.getPermissionsState().computeGids(userId); 2786 } 2787 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2788 final PackageSetting ps = mSettings.mPackages.get(packageName); 2789 if (ps != null) { 2790 return ps.getPermissionsState().computeGids(userId); 2791 } 2792 } 2793 } 2794 2795 return null; 2796 } 2797 2798 static PermissionInfo generatePermissionInfo( 2799 BasePermission bp, int flags) { 2800 if (bp.perm != null) { 2801 return PackageParser.generatePermissionInfo(bp.perm, flags); 2802 } 2803 PermissionInfo pi = new PermissionInfo(); 2804 pi.name = bp.name; 2805 pi.packageName = bp.sourcePackage; 2806 pi.nonLocalizedLabel = bp.name; 2807 pi.protectionLevel = bp.protectionLevel; 2808 return pi; 2809 } 2810 2811 @Override 2812 public PermissionInfo getPermissionInfo(String name, int flags) { 2813 // reader 2814 synchronized (mPackages) { 2815 final BasePermission p = mSettings.mPermissions.get(name); 2816 if (p != null) { 2817 return generatePermissionInfo(p, flags); 2818 } 2819 return null; 2820 } 2821 } 2822 2823 @Override 2824 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2825 // reader 2826 synchronized (mPackages) { 2827 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2828 for (BasePermission p : mSettings.mPermissions.values()) { 2829 if (group == null) { 2830 if (p.perm == null || p.perm.info.group == null) { 2831 out.add(generatePermissionInfo(p, flags)); 2832 } 2833 } else { 2834 if (p.perm != null && group.equals(p.perm.info.group)) { 2835 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2836 } 2837 } 2838 } 2839 2840 if (out.size() > 0) { 2841 return out; 2842 } 2843 return mPermissionGroups.containsKey(group) ? out : null; 2844 } 2845 } 2846 2847 @Override 2848 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2849 // reader 2850 synchronized (mPackages) { 2851 return PackageParser.generatePermissionGroupInfo( 2852 mPermissionGroups.get(name), flags); 2853 } 2854 } 2855 2856 @Override 2857 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2858 // reader 2859 synchronized (mPackages) { 2860 final int N = mPermissionGroups.size(); 2861 ArrayList<PermissionGroupInfo> out 2862 = new ArrayList<PermissionGroupInfo>(N); 2863 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2864 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2865 } 2866 return out; 2867 } 2868 } 2869 2870 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2871 int userId) { 2872 if (!sUserManager.exists(userId)) return null; 2873 PackageSetting ps = mSettings.mPackages.get(packageName); 2874 if (ps != null) { 2875 if (ps.pkg == null) { 2876 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2877 flags, userId); 2878 if (pInfo != null) { 2879 return pInfo.applicationInfo; 2880 } 2881 return null; 2882 } 2883 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2884 ps.readUserState(userId), userId); 2885 } 2886 return null; 2887 } 2888 2889 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2890 int userId) { 2891 if (!sUserManager.exists(userId)) return null; 2892 PackageSetting ps = mSettings.mPackages.get(packageName); 2893 if (ps != null) { 2894 PackageParser.Package pkg = ps.pkg; 2895 if (pkg == null) { 2896 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2897 return null; 2898 } 2899 // Only data remains, so we aren't worried about code paths 2900 pkg = new PackageParser.Package(packageName); 2901 pkg.applicationInfo.packageName = packageName; 2902 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2903 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2904 pkg.applicationInfo.dataDir = Environment 2905 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2906 .getAbsolutePath(); 2907 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2908 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2909 } 2910 return generatePackageInfo(pkg, flags, userId); 2911 } 2912 return null; 2913 } 2914 2915 @Override 2916 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2917 if (!sUserManager.exists(userId)) return null; 2918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2919 // writer 2920 synchronized (mPackages) { 2921 PackageParser.Package p = mPackages.get(packageName); 2922 if (DEBUG_PACKAGE_INFO) Log.v( 2923 TAG, "getApplicationInfo " + packageName 2924 + ": " + p); 2925 if (p != null) { 2926 PackageSetting ps = mSettings.mPackages.get(packageName); 2927 if (ps == null) return null; 2928 // Note: isEnabledLP() does not apply here - always return info 2929 return PackageParser.generateApplicationInfo( 2930 p, flags, ps.readUserState(userId), userId); 2931 } 2932 if ("android".equals(packageName)||"system".equals(packageName)) { 2933 return mAndroidApplication; 2934 } 2935 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2936 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2937 } 2938 } 2939 return null; 2940 } 2941 2942 @Override 2943 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2944 final IPackageDataObserver observer) { 2945 mContext.enforceCallingOrSelfPermission( 2946 android.Manifest.permission.CLEAR_APP_CACHE, null); 2947 // Queue up an async operation since clearing cache may take a little while. 2948 mHandler.post(new Runnable() { 2949 public void run() { 2950 mHandler.removeCallbacks(this); 2951 int retCode = -1; 2952 synchronized (mInstallLock) { 2953 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2954 if (retCode < 0) { 2955 Slog.w(TAG, "Couldn't clear application caches"); 2956 } 2957 } 2958 if (observer != null) { 2959 try { 2960 observer.onRemoveCompleted(null, (retCode >= 0)); 2961 } catch (RemoteException e) { 2962 Slog.w(TAG, "RemoveException when invoking call back"); 2963 } 2964 } 2965 } 2966 }); 2967 } 2968 2969 @Override 2970 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2971 final IntentSender pi) { 2972 mContext.enforceCallingOrSelfPermission( 2973 android.Manifest.permission.CLEAR_APP_CACHE, null); 2974 // Queue up an async operation since clearing cache may take a little while. 2975 mHandler.post(new Runnable() { 2976 public void run() { 2977 mHandler.removeCallbacks(this); 2978 int retCode = -1; 2979 synchronized (mInstallLock) { 2980 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2981 if (retCode < 0) { 2982 Slog.w(TAG, "Couldn't clear application caches"); 2983 } 2984 } 2985 if(pi != null) { 2986 try { 2987 // Callback via pending intent 2988 int code = (retCode >= 0) ? 1 : 0; 2989 pi.sendIntent(null, code, null, 2990 null, null); 2991 } catch (SendIntentException e1) { 2992 Slog.i(TAG, "Failed to send pending intent"); 2993 } 2994 } 2995 } 2996 }); 2997 } 2998 2999 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3000 synchronized (mInstallLock) { 3001 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 3002 throw new IOException("Failed to free enough space"); 3003 } 3004 } 3005 } 3006 3007 @Override 3008 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3009 if (!sUserManager.exists(userId)) return null; 3010 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3011 synchronized (mPackages) { 3012 PackageParser.Activity a = mActivities.mActivities.get(component); 3013 3014 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3015 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3016 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3017 if (ps == null) return null; 3018 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3019 userId); 3020 } 3021 if (mResolveComponentName.equals(component)) { 3022 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3023 new PackageUserState(), userId); 3024 } 3025 } 3026 return null; 3027 } 3028 3029 @Override 3030 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3031 String resolvedType) { 3032 synchronized (mPackages) { 3033 if (component.equals(mResolveComponentName)) { 3034 // The resolver supports EVERYTHING! 3035 return true; 3036 } 3037 PackageParser.Activity a = mActivities.mActivities.get(component); 3038 if (a == null) { 3039 return false; 3040 } 3041 for (int i=0; i<a.intents.size(); i++) { 3042 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3043 intent.getData(), intent.getCategories(), TAG) >= 0) { 3044 return true; 3045 } 3046 } 3047 return false; 3048 } 3049 } 3050 3051 @Override 3052 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3053 if (!sUserManager.exists(userId)) return null; 3054 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3055 synchronized (mPackages) { 3056 PackageParser.Activity a = mReceivers.mActivities.get(component); 3057 if (DEBUG_PACKAGE_INFO) Log.v( 3058 TAG, "getReceiverInfo " + component + ": " + a); 3059 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3060 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3061 if (ps == null) return null; 3062 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3063 userId); 3064 } 3065 } 3066 return null; 3067 } 3068 3069 @Override 3070 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3071 if (!sUserManager.exists(userId)) return null; 3072 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3073 synchronized (mPackages) { 3074 PackageParser.Service s = mServices.mServices.get(component); 3075 if (DEBUG_PACKAGE_INFO) Log.v( 3076 TAG, "getServiceInfo " + component + ": " + s); 3077 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3078 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3079 if (ps == null) return null; 3080 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3081 userId); 3082 } 3083 } 3084 return null; 3085 } 3086 3087 @Override 3088 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3089 if (!sUserManager.exists(userId)) return null; 3090 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3091 synchronized (mPackages) { 3092 PackageParser.Provider p = mProviders.mProviders.get(component); 3093 if (DEBUG_PACKAGE_INFO) Log.v( 3094 TAG, "getProviderInfo " + component + ": " + p); 3095 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3096 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3097 if (ps == null) return null; 3098 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3099 userId); 3100 } 3101 } 3102 return null; 3103 } 3104 3105 @Override 3106 public String[] getSystemSharedLibraryNames() { 3107 Set<String> libSet; 3108 synchronized (mPackages) { 3109 libSet = mSharedLibraries.keySet(); 3110 int size = libSet.size(); 3111 if (size > 0) { 3112 String[] libs = new String[size]; 3113 libSet.toArray(libs); 3114 return libs; 3115 } 3116 } 3117 return null; 3118 } 3119 3120 /** 3121 * @hide 3122 */ 3123 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3124 synchronized (mPackages) { 3125 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3126 if (lib != null && lib.apk != null) { 3127 return mPackages.get(lib.apk); 3128 } 3129 } 3130 return null; 3131 } 3132 3133 @Override 3134 public FeatureInfo[] getSystemAvailableFeatures() { 3135 Collection<FeatureInfo> featSet; 3136 synchronized (mPackages) { 3137 featSet = mAvailableFeatures.values(); 3138 int size = featSet.size(); 3139 if (size > 0) { 3140 FeatureInfo[] features = new FeatureInfo[size+1]; 3141 featSet.toArray(features); 3142 FeatureInfo fi = new FeatureInfo(); 3143 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3144 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3145 features[size] = fi; 3146 return features; 3147 } 3148 } 3149 return null; 3150 } 3151 3152 @Override 3153 public boolean hasSystemFeature(String name) { 3154 synchronized (mPackages) { 3155 return mAvailableFeatures.containsKey(name); 3156 } 3157 } 3158 3159 private void checkValidCaller(int uid, int userId) { 3160 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3161 return; 3162 3163 throw new SecurityException("Caller uid=" + uid 3164 + " is not privileged to communicate with user=" + userId); 3165 } 3166 3167 @Override 3168 public int checkPermission(String permName, String pkgName, int userId) { 3169 if (!sUserManager.exists(userId)) { 3170 return PackageManager.PERMISSION_DENIED; 3171 } 3172 3173 synchronized (mPackages) { 3174 final PackageParser.Package p = mPackages.get(pkgName); 3175 if (p != null && p.mExtras != null) { 3176 final PackageSetting ps = (PackageSetting) p.mExtras; 3177 final PermissionsState permissionsState = ps.getPermissionsState(); 3178 if (permissionsState.hasPermission(permName, userId)) { 3179 return PackageManager.PERMISSION_GRANTED; 3180 } 3181 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3182 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3183 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3184 return PackageManager.PERMISSION_GRANTED; 3185 } 3186 } 3187 } 3188 3189 return PackageManager.PERMISSION_DENIED; 3190 } 3191 3192 @Override 3193 public int checkUidPermission(String permName, int uid) { 3194 final int userId = UserHandle.getUserId(uid); 3195 3196 if (!sUserManager.exists(userId)) { 3197 return PackageManager.PERMISSION_DENIED; 3198 } 3199 3200 synchronized (mPackages) { 3201 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3202 if (obj != null) { 3203 final SettingBase ps = (SettingBase) obj; 3204 final PermissionsState permissionsState = ps.getPermissionsState(); 3205 if (permissionsState.hasPermission(permName, userId)) { 3206 return PackageManager.PERMISSION_GRANTED; 3207 } 3208 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3209 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3210 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3211 return PackageManager.PERMISSION_GRANTED; 3212 } 3213 } else { 3214 ArraySet<String> perms = mSystemPermissions.get(uid); 3215 if (perms != null) { 3216 if (perms.contains(permName)) { 3217 return PackageManager.PERMISSION_GRANTED; 3218 } 3219 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3220 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3221 return PackageManager.PERMISSION_GRANTED; 3222 } 3223 } 3224 } 3225 } 3226 3227 return PackageManager.PERMISSION_DENIED; 3228 } 3229 3230 @Override 3231 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3232 if (UserHandle.getCallingUserId() != userId) { 3233 mContext.enforceCallingPermission( 3234 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3235 "isPermissionRevokedByPolicy for user " + userId); 3236 } 3237 3238 if (checkPermission(permission, packageName, userId) 3239 == PackageManager.PERMISSION_GRANTED) { 3240 return false; 3241 } 3242 3243 final long identity = Binder.clearCallingIdentity(); 3244 try { 3245 final int flags = getPermissionFlags(permission, packageName, userId); 3246 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3247 } finally { 3248 Binder.restoreCallingIdentity(identity); 3249 } 3250 } 3251 3252 @Override 3253 public String getPermissionControllerPackageName() { 3254 synchronized (mPackages) { 3255 return mRequiredInstallerPackage; 3256 } 3257 } 3258 3259 /** 3260 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3261 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3262 * @param checkShell TODO(yamasani): 3263 * @param message the message to log on security exception 3264 */ 3265 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3266 boolean checkShell, String message) { 3267 if (userId < 0) { 3268 throw new IllegalArgumentException("Invalid userId " + userId); 3269 } 3270 if (checkShell) { 3271 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3272 } 3273 if (userId == UserHandle.getUserId(callingUid)) return; 3274 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3275 if (requireFullPermission) { 3276 mContext.enforceCallingOrSelfPermission( 3277 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3278 } else { 3279 try { 3280 mContext.enforceCallingOrSelfPermission( 3281 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3282 } catch (SecurityException se) { 3283 mContext.enforceCallingOrSelfPermission( 3284 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3285 } 3286 } 3287 } 3288 } 3289 3290 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3291 if (callingUid == Process.SHELL_UID) { 3292 if (userHandle >= 0 3293 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3294 throw new SecurityException("Shell does not have permission to access user " 3295 + userHandle); 3296 } else if (userHandle < 0) { 3297 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3298 + Debug.getCallers(3)); 3299 } 3300 } 3301 } 3302 3303 private BasePermission findPermissionTreeLP(String permName) { 3304 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3305 if (permName.startsWith(bp.name) && 3306 permName.length() > bp.name.length() && 3307 permName.charAt(bp.name.length()) == '.') { 3308 return bp; 3309 } 3310 } 3311 return null; 3312 } 3313 3314 private BasePermission checkPermissionTreeLP(String permName) { 3315 if (permName != null) { 3316 BasePermission bp = findPermissionTreeLP(permName); 3317 if (bp != null) { 3318 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3319 return bp; 3320 } 3321 throw new SecurityException("Calling uid " 3322 + Binder.getCallingUid() 3323 + " is not allowed to add to permission tree " 3324 + bp.name + " owned by uid " + bp.uid); 3325 } 3326 } 3327 throw new SecurityException("No permission tree found for " + permName); 3328 } 3329 3330 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3331 if (s1 == null) { 3332 return s2 == null; 3333 } 3334 if (s2 == null) { 3335 return false; 3336 } 3337 if (s1.getClass() != s2.getClass()) { 3338 return false; 3339 } 3340 return s1.equals(s2); 3341 } 3342 3343 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3344 if (pi1.icon != pi2.icon) return false; 3345 if (pi1.logo != pi2.logo) return false; 3346 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3347 if (!compareStrings(pi1.name, pi2.name)) return false; 3348 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3349 // We'll take care of setting this one. 3350 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3351 // These are not currently stored in settings. 3352 //if (!compareStrings(pi1.group, pi2.group)) return false; 3353 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3354 //if (pi1.labelRes != pi2.labelRes) return false; 3355 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3356 return true; 3357 } 3358 3359 int permissionInfoFootprint(PermissionInfo info) { 3360 int size = info.name.length(); 3361 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3362 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3363 return size; 3364 } 3365 3366 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3367 int size = 0; 3368 for (BasePermission perm : mSettings.mPermissions.values()) { 3369 if (perm.uid == tree.uid) { 3370 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3371 } 3372 } 3373 return size; 3374 } 3375 3376 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3377 // We calculate the max size of permissions defined by this uid and throw 3378 // if that plus the size of 'info' would exceed our stated maximum. 3379 if (tree.uid != Process.SYSTEM_UID) { 3380 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3381 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3382 throw new SecurityException("Permission tree size cap exceeded"); 3383 } 3384 } 3385 } 3386 3387 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3388 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3389 throw new SecurityException("Label must be specified in permission"); 3390 } 3391 BasePermission tree = checkPermissionTreeLP(info.name); 3392 BasePermission bp = mSettings.mPermissions.get(info.name); 3393 boolean added = bp == null; 3394 boolean changed = true; 3395 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3396 if (added) { 3397 enforcePermissionCapLocked(info, tree); 3398 bp = new BasePermission(info.name, tree.sourcePackage, 3399 BasePermission.TYPE_DYNAMIC); 3400 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3401 throw new SecurityException( 3402 "Not allowed to modify non-dynamic permission " 3403 + info.name); 3404 } else { 3405 if (bp.protectionLevel == fixedLevel 3406 && bp.perm.owner.equals(tree.perm.owner) 3407 && bp.uid == tree.uid 3408 && comparePermissionInfos(bp.perm.info, info)) { 3409 changed = false; 3410 } 3411 } 3412 bp.protectionLevel = fixedLevel; 3413 info = new PermissionInfo(info); 3414 info.protectionLevel = fixedLevel; 3415 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3416 bp.perm.info.packageName = tree.perm.info.packageName; 3417 bp.uid = tree.uid; 3418 if (added) { 3419 mSettings.mPermissions.put(info.name, bp); 3420 } 3421 if (changed) { 3422 if (!async) { 3423 mSettings.writeLPr(); 3424 } else { 3425 scheduleWriteSettingsLocked(); 3426 } 3427 } 3428 return added; 3429 } 3430 3431 @Override 3432 public boolean addPermission(PermissionInfo info) { 3433 synchronized (mPackages) { 3434 return addPermissionLocked(info, false); 3435 } 3436 } 3437 3438 @Override 3439 public boolean addPermissionAsync(PermissionInfo info) { 3440 synchronized (mPackages) { 3441 return addPermissionLocked(info, true); 3442 } 3443 } 3444 3445 @Override 3446 public void removePermission(String name) { 3447 synchronized (mPackages) { 3448 checkPermissionTreeLP(name); 3449 BasePermission bp = mSettings.mPermissions.get(name); 3450 if (bp != null) { 3451 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3452 throw new SecurityException( 3453 "Not allowed to modify non-dynamic permission " 3454 + name); 3455 } 3456 mSettings.mPermissions.remove(name); 3457 mSettings.writeLPr(); 3458 } 3459 } 3460 } 3461 3462 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3463 BasePermission bp) { 3464 int index = pkg.requestedPermissions.indexOf(bp.name); 3465 if (index == -1) { 3466 throw new SecurityException("Package " + pkg.packageName 3467 + " has not requested permission " + bp.name); 3468 } 3469 if (!bp.isRuntime() && !bp.isDevelopment()) { 3470 throw new SecurityException("Permission " + bp.name 3471 + " is not a changeable permission type"); 3472 } 3473 } 3474 3475 @Override 3476 public void grantRuntimePermission(String packageName, String name, final int userId) { 3477 if (!sUserManager.exists(userId)) { 3478 Log.e(TAG, "No such user:" + userId); 3479 return; 3480 } 3481 3482 mContext.enforceCallingOrSelfPermission( 3483 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3484 "grantRuntimePermission"); 3485 3486 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3487 "grantRuntimePermission"); 3488 3489 final int uid; 3490 final SettingBase sb; 3491 3492 synchronized (mPackages) { 3493 final PackageParser.Package pkg = mPackages.get(packageName); 3494 if (pkg == null) { 3495 throw new IllegalArgumentException("Unknown package: " + packageName); 3496 } 3497 3498 final BasePermission bp = mSettings.mPermissions.get(name); 3499 if (bp == null) { 3500 throw new IllegalArgumentException("Unknown permission: " + name); 3501 } 3502 3503 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3504 3505 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3506 sb = (SettingBase) pkg.mExtras; 3507 if (sb == null) { 3508 throw new IllegalArgumentException("Unknown package: " + packageName); 3509 } 3510 3511 final PermissionsState permissionsState = sb.getPermissionsState(); 3512 3513 final int flags = permissionsState.getPermissionFlags(name, userId); 3514 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3515 throw new SecurityException("Cannot grant system fixed permission: " 3516 + name + " for package: " + packageName); 3517 } 3518 3519 if (bp.isDevelopment()) { 3520 // Development permissions must be handled specially, since they are not 3521 // normal runtime permissions. For now they apply to all users. 3522 if (permissionsState.grantInstallPermission(bp) != 3523 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3524 scheduleWriteSettingsLocked(); 3525 } 3526 return; 3527 } 3528 3529 final int result = permissionsState.grantRuntimePermission(bp, userId); 3530 switch (result) { 3531 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3532 return; 3533 } 3534 3535 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3536 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3537 mHandler.post(new Runnable() { 3538 @Override 3539 public void run() { 3540 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3541 } 3542 }); 3543 } 3544 break; 3545 } 3546 3547 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3548 3549 // Not critical if that is lost - app has to request again. 3550 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3551 } 3552 3553 // Only need to do this if user is initialized. Otherwise it's a new user 3554 // and there are no processes running as the user yet and there's no need 3555 // to make an expensive call to remount processes for the changed permissions. 3556 if (READ_EXTERNAL_STORAGE.equals(name) 3557 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3558 final long token = Binder.clearCallingIdentity(); 3559 try { 3560 if (sUserManager.isInitialized(userId)) { 3561 MountServiceInternal mountServiceInternal = LocalServices.getService( 3562 MountServiceInternal.class); 3563 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3564 } 3565 } finally { 3566 Binder.restoreCallingIdentity(token); 3567 } 3568 } 3569 } 3570 3571 @Override 3572 public void revokeRuntimePermission(String packageName, String name, int userId) { 3573 if (!sUserManager.exists(userId)) { 3574 Log.e(TAG, "No such user:" + userId); 3575 return; 3576 } 3577 3578 mContext.enforceCallingOrSelfPermission( 3579 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3580 "revokeRuntimePermission"); 3581 3582 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3583 "revokeRuntimePermission"); 3584 3585 final int appId; 3586 3587 synchronized (mPackages) { 3588 final PackageParser.Package pkg = mPackages.get(packageName); 3589 if (pkg == null) { 3590 throw new IllegalArgumentException("Unknown package: " + packageName); 3591 } 3592 3593 final BasePermission bp = mSettings.mPermissions.get(name); 3594 if (bp == null) { 3595 throw new IllegalArgumentException("Unknown permission: " + name); 3596 } 3597 3598 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3599 3600 SettingBase sb = (SettingBase) pkg.mExtras; 3601 if (sb == null) { 3602 throw new IllegalArgumentException("Unknown package: " + packageName); 3603 } 3604 3605 final PermissionsState permissionsState = sb.getPermissionsState(); 3606 3607 final int flags = permissionsState.getPermissionFlags(name, userId); 3608 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3609 throw new SecurityException("Cannot revoke system fixed permission: " 3610 + name + " for package: " + packageName); 3611 } 3612 3613 if (bp.isDevelopment()) { 3614 // Development permissions must be handled specially, since they are not 3615 // normal runtime permissions. For now they apply to all users. 3616 if (permissionsState.revokeInstallPermission(bp) != 3617 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3618 scheduleWriteSettingsLocked(); 3619 } 3620 return; 3621 } 3622 3623 if (permissionsState.revokeRuntimePermission(bp, userId) == 3624 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3625 return; 3626 } 3627 3628 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3629 3630 // Critical, after this call app should never have the permission. 3631 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3632 3633 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3634 } 3635 3636 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3637 } 3638 3639 @Override 3640 public void resetRuntimePermissions() { 3641 mContext.enforceCallingOrSelfPermission( 3642 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3643 "revokeRuntimePermission"); 3644 3645 int callingUid = Binder.getCallingUid(); 3646 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3647 mContext.enforceCallingOrSelfPermission( 3648 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3649 "resetRuntimePermissions"); 3650 } 3651 3652 synchronized (mPackages) { 3653 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3654 for (int userId : UserManagerService.getInstance().getUserIds()) { 3655 final int packageCount = mPackages.size(); 3656 for (int i = 0; i < packageCount; i++) { 3657 PackageParser.Package pkg = mPackages.valueAt(i); 3658 if (!(pkg.mExtras instanceof PackageSetting)) { 3659 continue; 3660 } 3661 PackageSetting ps = (PackageSetting) pkg.mExtras; 3662 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3663 } 3664 } 3665 } 3666 } 3667 3668 @Override 3669 public int getPermissionFlags(String name, String packageName, int userId) { 3670 if (!sUserManager.exists(userId)) { 3671 return 0; 3672 } 3673 3674 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3675 3676 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3677 "getPermissionFlags"); 3678 3679 synchronized (mPackages) { 3680 final PackageParser.Package pkg = mPackages.get(packageName); 3681 if (pkg == null) { 3682 throw new IllegalArgumentException("Unknown package: " + packageName); 3683 } 3684 3685 final BasePermission bp = mSettings.mPermissions.get(name); 3686 if (bp == null) { 3687 throw new IllegalArgumentException("Unknown permission: " + name); 3688 } 3689 3690 SettingBase sb = (SettingBase) pkg.mExtras; 3691 if (sb == null) { 3692 throw new IllegalArgumentException("Unknown package: " + packageName); 3693 } 3694 3695 PermissionsState permissionsState = sb.getPermissionsState(); 3696 return permissionsState.getPermissionFlags(name, userId); 3697 } 3698 } 3699 3700 @Override 3701 public void updatePermissionFlags(String name, String packageName, int flagMask, 3702 int flagValues, int userId) { 3703 if (!sUserManager.exists(userId)) { 3704 return; 3705 } 3706 3707 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3708 3709 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3710 "updatePermissionFlags"); 3711 3712 // Only the system can change these flags and nothing else. 3713 if (getCallingUid() != Process.SYSTEM_UID) { 3714 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3715 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3716 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3717 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3718 } 3719 3720 synchronized (mPackages) { 3721 final PackageParser.Package pkg = mPackages.get(packageName); 3722 if (pkg == null) { 3723 throw new IllegalArgumentException("Unknown package: " + packageName); 3724 } 3725 3726 final BasePermission bp = mSettings.mPermissions.get(name); 3727 if (bp == null) { 3728 throw new IllegalArgumentException("Unknown permission: " + name); 3729 } 3730 3731 SettingBase sb = (SettingBase) pkg.mExtras; 3732 if (sb == null) { 3733 throw new IllegalArgumentException("Unknown package: " + packageName); 3734 } 3735 3736 PermissionsState permissionsState = sb.getPermissionsState(); 3737 3738 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3739 3740 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3741 // Install and runtime permissions are stored in different places, 3742 // so figure out what permission changed and persist the change. 3743 if (permissionsState.getInstallPermissionState(name) != null) { 3744 scheduleWriteSettingsLocked(); 3745 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3746 || hadState) { 3747 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3748 } 3749 } 3750 } 3751 } 3752 3753 /** 3754 * Update the permission flags for all packages and runtime permissions of a user in order 3755 * to allow device or profile owner to remove POLICY_FIXED. 3756 */ 3757 @Override 3758 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3759 if (!sUserManager.exists(userId)) { 3760 return; 3761 } 3762 3763 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3764 3765 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3766 "updatePermissionFlagsForAllApps"); 3767 3768 // Only the system can change system fixed flags. 3769 if (getCallingUid() != Process.SYSTEM_UID) { 3770 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3771 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3772 } 3773 3774 synchronized (mPackages) { 3775 boolean changed = false; 3776 final int packageCount = mPackages.size(); 3777 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3778 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3779 SettingBase sb = (SettingBase) pkg.mExtras; 3780 if (sb == null) { 3781 continue; 3782 } 3783 PermissionsState permissionsState = sb.getPermissionsState(); 3784 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3785 userId, flagMask, flagValues); 3786 } 3787 if (changed) { 3788 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3789 } 3790 } 3791 } 3792 3793 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3794 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3795 != PackageManager.PERMISSION_GRANTED 3796 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3797 != PackageManager.PERMISSION_GRANTED) { 3798 throw new SecurityException(message + " requires " 3799 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3800 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3801 } 3802 } 3803 3804 @Override 3805 public boolean shouldShowRequestPermissionRationale(String permissionName, 3806 String packageName, int userId) { 3807 if (UserHandle.getCallingUserId() != userId) { 3808 mContext.enforceCallingPermission( 3809 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3810 "canShowRequestPermissionRationale for user " + userId); 3811 } 3812 3813 final int uid = getPackageUid(packageName, userId); 3814 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3815 return false; 3816 } 3817 3818 if (checkPermission(permissionName, packageName, userId) 3819 == PackageManager.PERMISSION_GRANTED) { 3820 return false; 3821 } 3822 3823 final int flags; 3824 3825 final long identity = Binder.clearCallingIdentity(); 3826 try { 3827 flags = getPermissionFlags(permissionName, 3828 packageName, userId); 3829 } finally { 3830 Binder.restoreCallingIdentity(identity); 3831 } 3832 3833 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3834 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3835 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3836 3837 if ((flags & fixedFlags) != 0) { 3838 return false; 3839 } 3840 3841 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3842 } 3843 3844 @Override 3845 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3846 mContext.enforceCallingOrSelfPermission( 3847 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3848 "addOnPermissionsChangeListener"); 3849 3850 synchronized (mPackages) { 3851 mOnPermissionChangeListeners.addListenerLocked(listener); 3852 } 3853 } 3854 3855 @Override 3856 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3857 synchronized (mPackages) { 3858 mOnPermissionChangeListeners.removeListenerLocked(listener); 3859 } 3860 } 3861 3862 @Override 3863 public boolean isProtectedBroadcast(String actionName) { 3864 synchronized (mPackages) { 3865 return mProtectedBroadcasts.contains(actionName); 3866 } 3867 } 3868 3869 @Override 3870 public int checkSignatures(String pkg1, String pkg2) { 3871 synchronized (mPackages) { 3872 final PackageParser.Package p1 = mPackages.get(pkg1); 3873 final PackageParser.Package p2 = mPackages.get(pkg2); 3874 if (p1 == null || p1.mExtras == null 3875 || p2 == null || p2.mExtras == null) { 3876 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3877 } 3878 return compareSignatures(p1.mSignatures, p2.mSignatures); 3879 } 3880 } 3881 3882 @Override 3883 public int checkUidSignatures(int uid1, int uid2) { 3884 // Map to base uids. 3885 uid1 = UserHandle.getAppId(uid1); 3886 uid2 = UserHandle.getAppId(uid2); 3887 // reader 3888 synchronized (mPackages) { 3889 Signature[] s1; 3890 Signature[] s2; 3891 Object obj = mSettings.getUserIdLPr(uid1); 3892 if (obj != null) { 3893 if (obj instanceof SharedUserSetting) { 3894 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3895 } else if (obj instanceof PackageSetting) { 3896 s1 = ((PackageSetting)obj).signatures.mSignatures; 3897 } else { 3898 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3899 } 3900 } else { 3901 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3902 } 3903 obj = mSettings.getUserIdLPr(uid2); 3904 if (obj != null) { 3905 if (obj instanceof SharedUserSetting) { 3906 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3907 } else if (obj instanceof PackageSetting) { 3908 s2 = ((PackageSetting)obj).signatures.mSignatures; 3909 } else { 3910 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3911 } 3912 } else { 3913 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3914 } 3915 return compareSignatures(s1, s2); 3916 } 3917 } 3918 3919 private void killUid(int appId, int userId, String reason) { 3920 final long identity = Binder.clearCallingIdentity(); 3921 try { 3922 IActivityManager am = ActivityManagerNative.getDefault(); 3923 if (am != null) { 3924 try { 3925 am.killUid(appId, userId, reason); 3926 } catch (RemoteException e) { 3927 /* ignore - same process */ 3928 } 3929 } 3930 } finally { 3931 Binder.restoreCallingIdentity(identity); 3932 } 3933 } 3934 3935 /** 3936 * Compares two sets of signatures. Returns: 3937 * <br /> 3938 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3939 * <br /> 3940 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3941 * <br /> 3942 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3943 * <br /> 3944 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3945 * <br /> 3946 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3947 */ 3948 static int compareSignatures(Signature[] s1, Signature[] s2) { 3949 if (s1 == null) { 3950 return s2 == null 3951 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3952 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3953 } 3954 3955 if (s2 == null) { 3956 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3957 } 3958 3959 if (s1.length != s2.length) { 3960 return PackageManager.SIGNATURE_NO_MATCH; 3961 } 3962 3963 // Since both signature sets are of size 1, we can compare without HashSets. 3964 if (s1.length == 1) { 3965 return s1[0].equals(s2[0]) ? 3966 PackageManager.SIGNATURE_MATCH : 3967 PackageManager.SIGNATURE_NO_MATCH; 3968 } 3969 3970 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3971 for (Signature sig : s1) { 3972 set1.add(sig); 3973 } 3974 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3975 for (Signature sig : s2) { 3976 set2.add(sig); 3977 } 3978 // Make sure s2 contains all signatures in s1. 3979 if (set1.equals(set2)) { 3980 return PackageManager.SIGNATURE_MATCH; 3981 } 3982 return PackageManager.SIGNATURE_NO_MATCH; 3983 } 3984 3985 /** 3986 * If the database version for this type of package (internal storage or 3987 * external storage) is less than the version where package signatures 3988 * were updated, return true. 3989 */ 3990 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3991 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 3992 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 3993 } 3994 3995 /** 3996 * Used for backward compatibility to make sure any packages with 3997 * certificate chains get upgraded to the new style. {@code existingSigs} 3998 * will be in the old format (since they were stored on disk from before the 3999 * system upgrade) and {@code scannedSigs} will be in the newer format. 4000 */ 4001 private int compareSignaturesCompat(PackageSignatures existingSigs, 4002 PackageParser.Package scannedPkg) { 4003 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4004 return PackageManager.SIGNATURE_NO_MATCH; 4005 } 4006 4007 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4008 for (Signature sig : existingSigs.mSignatures) { 4009 existingSet.add(sig); 4010 } 4011 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4012 for (Signature sig : scannedPkg.mSignatures) { 4013 try { 4014 Signature[] chainSignatures = sig.getChainSignatures(); 4015 for (Signature chainSig : chainSignatures) { 4016 scannedCompatSet.add(chainSig); 4017 } 4018 } catch (CertificateEncodingException e) { 4019 scannedCompatSet.add(sig); 4020 } 4021 } 4022 /* 4023 * Make sure the expanded scanned set contains all signatures in the 4024 * existing one. 4025 */ 4026 if (scannedCompatSet.equals(existingSet)) { 4027 // Migrate the old signatures to the new scheme. 4028 existingSigs.assignSignatures(scannedPkg.mSignatures); 4029 // The new KeySets will be re-added later in the scanning process. 4030 synchronized (mPackages) { 4031 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4032 } 4033 return PackageManager.SIGNATURE_MATCH; 4034 } 4035 return PackageManager.SIGNATURE_NO_MATCH; 4036 } 4037 4038 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4039 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4040 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4041 } 4042 4043 private int compareSignaturesRecover(PackageSignatures existingSigs, 4044 PackageParser.Package scannedPkg) { 4045 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4046 return PackageManager.SIGNATURE_NO_MATCH; 4047 } 4048 4049 String msg = null; 4050 try { 4051 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4052 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4053 + scannedPkg.packageName); 4054 return PackageManager.SIGNATURE_MATCH; 4055 } 4056 } catch (CertificateException e) { 4057 msg = e.getMessage(); 4058 } 4059 4060 logCriticalInfo(Log.INFO, 4061 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4062 return PackageManager.SIGNATURE_NO_MATCH; 4063 } 4064 4065 @Override 4066 public String[] getPackagesForUid(int uid) { 4067 uid = UserHandle.getAppId(uid); 4068 // reader 4069 synchronized (mPackages) { 4070 Object obj = mSettings.getUserIdLPr(uid); 4071 if (obj instanceof SharedUserSetting) { 4072 final SharedUserSetting sus = (SharedUserSetting) obj; 4073 final int N = sus.packages.size(); 4074 final String[] res = new String[N]; 4075 final Iterator<PackageSetting> it = sus.packages.iterator(); 4076 int i = 0; 4077 while (it.hasNext()) { 4078 res[i++] = it.next().name; 4079 } 4080 return res; 4081 } else if (obj instanceof PackageSetting) { 4082 final PackageSetting ps = (PackageSetting) obj; 4083 return new String[] { ps.name }; 4084 } 4085 } 4086 return null; 4087 } 4088 4089 @Override 4090 public String getNameForUid(int uid) { 4091 // reader 4092 synchronized (mPackages) { 4093 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4094 if (obj instanceof SharedUserSetting) { 4095 final SharedUserSetting sus = (SharedUserSetting) obj; 4096 return sus.name + ":" + sus.userId; 4097 } else if (obj instanceof PackageSetting) { 4098 final PackageSetting ps = (PackageSetting) obj; 4099 return ps.name; 4100 } 4101 } 4102 return null; 4103 } 4104 4105 @Override 4106 public int getUidForSharedUser(String sharedUserName) { 4107 if(sharedUserName == null) { 4108 return -1; 4109 } 4110 // reader 4111 synchronized (mPackages) { 4112 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4113 if (suid == null) { 4114 return -1; 4115 } 4116 return suid.userId; 4117 } 4118 } 4119 4120 @Override 4121 public int getFlagsForUid(int uid) { 4122 synchronized (mPackages) { 4123 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4124 if (obj instanceof SharedUserSetting) { 4125 final SharedUserSetting sus = (SharedUserSetting) obj; 4126 return sus.pkgFlags; 4127 } else if (obj instanceof PackageSetting) { 4128 final PackageSetting ps = (PackageSetting) obj; 4129 return ps.pkgFlags; 4130 } 4131 } 4132 return 0; 4133 } 4134 4135 @Override 4136 public int getPrivateFlagsForUid(int uid) { 4137 synchronized (mPackages) { 4138 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4139 if (obj instanceof SharedUserSetting) { 4140 final SharedUserSetting sus = (SharedUserSetting) obj; 4141 return sus.pkgPrivateFlags; 4142 } else if (obj instanceof PackageSetting) { 4143 final PackageSetting ps = (PackageSetting) obj; 4144 return ps.pkgPrivateFlags; 4145 } 4146 } 4147 return 0; 4148 } 4149 4150 @Override 4151 public boolean isUidPrivileged(int uid) { 4152 uid = UserHandle.getAppId(uid); 4153 // reader 4154 synchronized (mPackages) { 4155 Object obj = mSettings.getUserIdLPr(uid); 4156 if (obj instanceof SharedUserSetting) { 4157 final SharedUserSetting sus = (SharedUserSetting) obj; 4158 final Iterator<PackageSetting> it = sus.packages.iterator(); 4159 while (it.hasNext()) { 4160 if (it.next().isPrivileged()) { 4161 return true; 4162 } 4163 } 4164 } else if (obj instanceof PackageSetting) { 4165 final PackageSetting ps = (PackageSetting) obj; 4166 return ps.isPrivileged(); 4167 } 4168 } 4169 return false; 4170 } 4171 4172 @Override 4173 public String[] getAppOpPermissionPackages(String permissionName) { 4174 synchronized (mPackages) { 4175 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4176 if (pkgs == null) { 4177 return null; 4178 } 4179 return pkgs.toArray(new String[pkgs.size()]); 4180 } 4181 } 4182 4183 @Override 4184 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4185 int flags, int userId) { 4186 if (!sUserManager.exists(userId)) return null; 4187 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4188 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4189 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4190 } 4191 4192 @Override 4193 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4194 IntentFilter filter, int match, ComponentName activity) { 4195 final int userId = UserHandle.getCallingUserId(); 4196 if (DEBUG_PREFERRED) { 4197 Log.v(TAG, "setLastChosenActivity intent=" + intent 4198 + " resolvedType=" + resolvedType 4199 + " flags=" + flags 4200 + " filter=" + filter 4201 + " match=" + match 4202 + " activity=" + activity); 4203 filter.dump(new PrintStreamPrinter(System.out), " "); 4204 } 4205 intent.setComponent(null); 4206 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4207 // Find any earlier preferred or last chosen entries and nuke them 4208 findPreferredActivity(intent, resolvedType, 4209 flags, query, 0, false, true, false, userId); 4210 // Add the new activity as the last chosen for this filter 4211 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4212 "Setting last chosen"); 4213 } 4214 4215 @Override 4216 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4217 final int userId = UserHandle.getCallingUserId(); 4218 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4219 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4220 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4221 false, false, false, userId); 4222 } 4223 4224 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4225 int flags, List<ResolveInfo> query, int userId) { 4226 if (query != null) { 4227 final int N = query.size(); 4228 if (N == 1) { 4229 return query.get(0); 4230 } else if (N > 1) { 4231 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4232 // If there is more than one activity with the same priority, 4233 // then let the user decide between them. 4234 ResolveInfo r0 = query.get(0); 4235 ResolveInfo r1 = query.get(1); 4236 if (DEBUG_INTENT_MATCHING || debug) { 4237 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4238 + r1.activityInfo.name + "=" + r1.priority); 4239 } 4240 // If the first activity has a higher priority, or a different 4241 // default, then it is always desireable to pick it. 4242 if (r0.priority != r1.priority 4243 || r0.preferredOrder != r1.preferredOrder 4244 || r0.isDefault != r1.isDefault) { 4245 return query.get(0); 4246 } 4247 // If we have saved a preference for a preferred activity for 4248 // this Intent, use that. 4249 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4250 flags, query, r0.priority, true, false, debug, userId); 4251 if (ri != null) { 4252 return ri; 4253 } 4254 ri = new ResolveInfo(mResolveInfo); 4255 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4256 ri.activityInfo.applicationInfo = new ApplicationInfo( 4257 ri.activityInfo.applicationInfo); 4258 if (userId != 0) { 4259 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4260 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4261 } 4262 // Make sure that the resolver is displayable in car mode 4263 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4264 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4265 return ri; 4266 } 4267 } 4268 return null; 4269 } 4270 4271 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4272 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4273 final int N = query.size(); 4274 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4275 .get(userId); 4276 // Get the list of persistent preferred activities that handle the intent 4277 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4278 List<PersistentPreferredActivity> pprefs = ppir != null 4279 ? ppir.queryIntent(intent, resolvedType, 4280 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4281 : null; 4282 if (pprefs != null && pprefs.size() > 0) { 4283 final int M = pprefs.size(); 4284 for (int i=0; i<M; i++) { 4285 final PersistentPreferredActivity ppa = pprefs.get(i); 4286 if (DEBUG_PREFERRED || debug) { 4287 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4288 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4289 + "\n component=" + ppa.mComponent); 4290 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4291 } 4292 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4293 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4294 if (DEBUG_PREFERRED || debug) { 4295 Slog.v(TAG, "Found persistent preferred activity:"); 4296 if (ai != null) { 4297 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4298 } else { 4299 Slog.v(TAG, " null"); 4300 } 4301 } 4302 if (ai == null) { 4303 // This previously registered persistent preferred activity 4304 // component is no longer known. Ignore it and do NOT remove it. 4305 continue; 4306 } 4307 for (int j=0; j<N; j++) { 4308 final ResolveInfo ri = query.get(j); 4309 if (!ri.activityInfo.applicationInfo.packageName 4310 .equals(ai.applicationInfo.packageName)) { 4311 continue; 4312 } 4313 if (!ri.activityInfo.name.equals(ai.name)) { 4314 continue; 4315 } 4316 // Found a persistent preference that can handle the intent. 4317 if (DEBUG_PREFERRED || debug) { 4318 Slog.v(TAG, "Returning persistent preferred activity: " + 4319 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4320 } 4321 return ri; 4322 } 4323 } 4324 } 4325 return null; 4326 } 4327 4328 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4329 List<ResolveInfo> query, int priority, boolean always, 4330 boolean removeMatches, boolean debug, int userId) { 4331 if (!sUserManager.exists(userId)) return null; 4332 // writer 4333 synchronized (mPackages) { 4334 if (intent.getSelector() != null) { 4335 intent = intent.getSelector(); 4336 } 4337 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4338 4339 // Try to find a matching persistent preferred activity. 4340 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4341 debug, userId); 4342 4343 // If a persistent preferred activity matched, use it. 4344 if (pri != null) { 4345 return pri; 4346 } 4347 4348 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4349 // Get the list of preferred activities that handle the intent 4350 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4351 List<PreferredActivity> prefs = pir != null 4352 ? pir.queryIntent(intent, resolvedType, 4353 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4354 : null; 4355 if (prefs != null && prefs.size() > 0) { 4356 boolean changed = false; 4357 try { 4358 // First figure out how good the original match set is. 4359 // We will only allow preferred activities that came 4360 // from the same match quality. 4361 int match = 0; 4362 4363 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4364 4365 final int N = query.size(); 4366 for (int j=0; j<N; j++) { 4367 final ResolveInfo ri = query.get(j); 4368 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4369 + ": 0x" + Integer.toHexString(match)); 4370 if (ri.match > match) { 4371 match = ri.match; 4372 } 4373 } 4374 4375 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4376 + Integer.toHexString(match)); 4377 4378 match &= IntentFilter.MATCH_CATEGORY_MASK; 4379 final int M = prefs.size(); 4380 for (int i=0; i<M; i++) { 4381 final PreferredActivity pa = prefs.get(i); 4382 if (DEBUG_PREFERRED || debug) { 4383 Slog.v(TAG, "Checking PreferredActivity ds=" 4384 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4385 + "\n component=" + pa.mPref.mComponent); 4386 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4387 } 4388 if (pa.mPref.mMatch != match) { 4389 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4390 + Integer.toHexString(pa.mPref.mMatch)); 4391 continue; 4392 } 4393 // If it's not an "always" type preferred activity and that's what we're 4394 // looking for, skip it. 4395 if (always && !pa.mPref.mAlways) { 4396 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4397 continue; 4398 } 4399 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4400 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4401 if (DEBUG_PREFERRED || debug) { 4402 Slog.v(TAG, "Found preferred activity:"); 4403 if (ai != null) { 4404 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4405 } else { 4406 Slog.v(TAG, " null"); 4407 } 4408 } 4409 if (ai == null) { 4410 // This previously registered preferred activity 4411 // component is no longer known. Most likely an update 4412 // to the app was installed and in the new version this 4413 // component no longer exists. Clean it up by removing 4414 // it from the preferred activities list, and skip it. 4415 Slog.w(TAG, "Removing dangling preferred activity: " 4416 + pa.mPref.mComponent); 4417 pir.removeFilter(pa); 4418 changed = true; 4419 continue; 4420 } 4421 for (int j=0; j<N; j++) { 4422 final ResolveInfo ri = query.get(j); 4423 if (!ri.activityInfo.applicationInfo.packageName 4424 .equals(ai.applicationInfo.packageName)) { 4425 continue; 4426 } 4427 if (!ri.activityInfo.name.equals(ai.name)) { 4428 continue; 4429 } 4430 4431 if (removeMatches) { 4432 pir.removeFilter(pa); 4433 changed = true; 4434 if (DEBUG_PREFERRED) { 4435 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4436 } 4437 break; 4438 } 4439 4440 // Okay we found a previously set preferred or last chosen app. 4441 // If the result set is different from when this 4442 // was created, we need to clear it and re-ask the 4443 // user their preference, if we're looking for an "always" type entry. 4444 if (always && !pa.mPref.sameSet(query)) { 4445 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4446 + intent + " type " + resolvedType); 4447 if (DEBUG_PREFERRED) { 4448 Slog.v(TAG, "Removing preferred activity since set changed " 4449 + pa.mPref.mComponent); 4450 } 4451 pir.removeFilter(pa); 4452 // Re-add the filter as a "last chosen" entry (!always) 4453 PreferredActivity lastChosen = new PreferredActivity( 4454 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4455 pir.addFilter(lastChosen); 4456 changed = true; 4457 return null; 4458 } 4459 4460 // Yay! Either the set matched or we're looking for the last chosen 4461 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4462 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4463 return ri; 4464 } 4465 } 4466 } finally { 4467 if (changed) { 4468 if (DEBUG_PREFERRED) { 4469 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4470 } 4471 scheduleWritePackageRestrictionsLocked(userId); 4472 } 4473 } 4474 } 4475 } 4476 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4477 return null; 4478 } 4479 4480 /* 4481 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4482 */ 4483 @Override 4484 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4485 int targetUserId) { 4486 mContext.enforceCallingOrSelfPermission( 4487 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4488 List<CrossProfileIntentFilter> matches = 4489 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4490 if (matches != null) { 4491 int size = matches.size(); 4492 for (int i = 0; i < size; i++) { 4493 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4494 } 4495 } 4496 if (hasWebURI(intent)) { 4497 // cross-profile app linking works only towards the parent. 4498 final UserInfo parent = getProfileParent(sourceUserId); 4499 synchronized(mPackages) { 4500 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4501 intent, resolvedType, 0, sourceUserId, parent.id); 4502 return xpDomainInfo != null; 4503 } 4504 } 4505 return false; 4506 } 4507 4508 private UserInfo getProfileParent(int userId) { 4509 final long identity = Binder.clearCallingIdentity(); 4510 try { 4511 return sUserManager.getProfileParent(userId); 4512 } finally { 4513 Binder.restoreCallingIdentity(identity); 4514 } 4515 } 4516 4517 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4518 String resolvedType, int userId) { 4519 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4520 if (resolver != null) { 4521 return resolver.queryIntent(intent, resolvedType, false, userId); 4522 } 4523 return null; 4524 } 4525 4526 @Override 4527 public List<ResolveInfo> queryIntentActivities(Intent intent, 4528 String resolvedType, int flags, int userId) { 4529 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4530 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4531 ComponentName comp = intent.getComponent(); 4532 if (comp == null) { 4533 if (intent.getSelector() != null) { 4534 intent = intent.getSelector(); 4535 comp = intent.getComponent(); 4536 } 4537 } 4538 4539 if (comp != null) { 4540 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4541 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4542 if (ai != null) { 4543 final ResolveInfo ri = new ResolveInfo(); 4544 ri.activityInfo = ai; 4545 list.add(ri); 4546 } 4547 return list; 4548 } 4549 4550 // reader 4551 synchronized (mPackages) { 4552 final String pkgName = intent.getPackage(); 4553 if (pkgName == null) { 4554 List<CrossProfileIntentFilter> matchingFilters = 4555 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4556 // Check for results that need to skip the current profile. 4557 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4558 resolvedType, flags, userId); 4559 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4560 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4561 result.add(xpResolveInfo); 4562 return filterIfNotPrimaryUser(result, userId); 4563 } 4564 4565 // Check for results in the current profile. 4566 List<ResolveInfo> result = mActivities.queryIntent( 4567 intent, resolvedType, flags, userId); 4568 4569 // Check for cross profile results. 4570 xpResolveInfo = queryCrossProfileIntents( 4571 matchingFilters, intent, resolvedType, flags, userId); 4572 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4573 result.add(xpResolveInfo); 4574 Collections.sort(result, mResolvePrioritySorter); 4575 } 4576 result = filterIfNotPrimaryUser(result, userId); 4577 if (hasWebURI(intent)) { 4578 CrossProfileDomainInfo xpDomainInfo = null; 4579 final UserInfo parent = getProfileParent(userId); 4580 if (parent != null) { 4581 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4582 flags, userId, parent.id); 4583 } 4584 if (xpDomainInfo != null) { 4585 if (xpResolveInfo != null) { 4586 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4587 // in the result. 4588 result.remove(xpResolveInfo); 4589 } 4590 if (result.size() == 0) { 4591 result.add(xpDomainInfo.resolveInfo); 4592 return result; 4593 } 4594 } else if (result.size() <= 1) { 4595 return result; 4596 } 4597 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4598 xpDomainInfo, userId); 4599 Collections.sort(result, mResolvePrioritySorter); 4600 } 4601 return result; 4602 } 4603 final PackageParser.Package pkg = mPackages.get(pkgName); 4604 if (pkg != null) { 4605 return filterIfNotPrimaryUser( 4606 mActivities.queryIntentForPackage( 4607 intent, resolvedType, flags, pkg.activities, userId), 4608 userId); 4609 } 4610 return new ArrayList<ResolveInfo>(); 4611 } 4612 } 4613 4614 private static class CrossProfileDomainInfo { 4615 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4616 ResolveInfo resolveInfo; 4617 /* Best domain verification status of the activities found in the other profile */ 4618 int bestDomainVerificationStatus; 4619 } 4620 4621 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4622 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4623 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4624 sourceUserId)) { 4625 return null; 4626 } 4627 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4628 resolvedType, flags, parentUserId); 4629 4630 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4631 return null; 4632 } 4633 CrossProfileDomainInfo result = null; 4634 int size = resultTargetUser.size(); 4635 for (int i = 0; i < size; i++) { 4636 ResolveInfo riTargetUser = resultTargetUser.get(i); 4637 // Intent filter verification is only for filters that specify a host. So don't return 4638 // those that handle all web uris. 4639 if (riTargetUser.handleAllWebDataURI) { 4640 continue; 4641 } 4642 String packageName = riTargetUser.activityInfo.packageName; 4643 PackageSetting ps = mSettings.mPackages.get(packageName); 4644 if (ps == null) { 4645 continue; 4646 } 4647 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4648 int status = (int)(verificationState >> 32); 4649 if (result == null) { 4650 result = new CrossProfileDomainInfo(); 4651 result.resolveInfo = 4652 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4653 result.bestDomainVerificationStatus = status; 4654 } else { 4655 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4656 result.bestDomainVerificationStatus); 4657 } 4658 } 4659 // Don't consider matches with status NEVER across profiles. 4660 if (result != null && result.bestDomainVerificationStatus 4661 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4662 return null; 4663 } 4664 return result; 4665 } 4666 4667 /** 4668 * Verification statuses are ordered from the worse to the best, except for 4669 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4670 */ 4671 private int bestDomainVerificationStatus(int status1, int status2) { 4672 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4673 return status2; 4674 } 4675 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4676 return status1; 4677 } 4678 return (int) MathUtils.max(status1, status2); 4679 } 4680 4681 private boolean isUserEnabled(int userId) { 4682 long callingId = Binder.clearCallingIdentity(); 4683 try { 4684 UserInfo userInfo = sUserManager.getUserInfo(userId); 4685 return userInfo != null && userInfo.isEnabled(); 4686 } finally { 4687 Binder.restoreCallingIdentity(callingId); 4688 } 4689 } 4690 4691 /** 4692 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4693 * 4694 * @return filtered list 4695 */ 4696 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4697 if (userId == UserHandle.USER_OWNER) { 4698 return resolveInfos; 4699 } 4700 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4701 ResolveInfo info = resolveInfos.get(i); 4702 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4703 resolveInfos.remove(i); 4704 } 4705 } 4706 return resolveInfos; 4707 } 4708 4709 private static boolean hasWebURI(Intent intent) { 4710 if (intent.getData() == null) { 4711 return false; 4712 } 4713 final String scheme = intent.getScheme(); 4714 if (TextUtils.isEmpty(scheme)) { 4715 return false; 4716 } 4717 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4718 } 4719 4720 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4721 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4722 int userId) { 4723 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4724 4725 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4726 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4727 candidates.size()); 4728 } 4729 4730 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4731 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4732 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4733 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4734 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4735 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4736 4737 synchronized (mPackages) { 4738 final int count = candidates.size(); 4739 // First, try to use linked apps. Partition the candidates into four lists: 4740 // one for the final results, one for the "do not use ever", one for "undefined status" 4741 // and finally one for "browser app type". 4742 for (int n=0; n<count; n++) { 4743 ResolveInfo info = candidates.get(n); 4744 String packageName = info.activityInfo.packageName; 4745 PackageSetting ps = mSettings.mPackages.get(packageName); 4746 if (ps != null) { 4747 // Add to the special match all list (Browser use case) 4748 if (info.handleAllWebDataURI) { 4749 matchAllList.add(info); 4750 continue; 4751 } 4752 // Try to get the status from User settings first 4753 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4754 int status = (int)(packedStatus >> 32); 4755 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4756 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4757 if (DEBUG_DOMAIN_VERIFICATION) { 4758 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4759 + " : linkgen=" + linkGeneration); 4760 } 4761 // Use link-enabled generation as preferredOrder, i.e. 4762 // prefer newly-enabled over earlier-enabled. 4763 info.preferredOrder = linkGeneration; 4764 alwaysList.add(info); 4765 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4766 if (DEBUG_DOMAIN_VERIFICATION) { 4767 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4768 } 4769 neverList.add(info); 4770 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4771 if (DEBUG_DOMAIN_VERIFICATION) { 4772 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4773 } 4774 alwaysAskList.add(info); 4775 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4776 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4777 if (DEBUG_DOMAIN_VERIFICATION) { 4778 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4779 } 4780 undefinedList.add(info); 4781 } 4782 } 4783 } 4784 4785 // We'll want to include browser possibilities in a few cases 4786 boolean includeBrowser = false; 4787 4788 // First try to add the "always" resolution(s) for the current user, if any 4789 if (alwaysList.size() > 0) { 4790 result.addAll(alwaysList); 4791 } else { 4792 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4793 result.addAll(undefinedList); 4794 // Maybe add one for the other profile. 4795 if (xpDomainInfo != null && ( 4796 xpDomainInfo.bestDomainVerificationStatus 4797 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 4798 result.add(xpDomainInfo.resolveInfo); 4799 } 4800 includeBrowser = true; 4801 } 4802 4803 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4804 // If there were 'always' entries their preferred order has been set, so we also 4805 // back that off to make the alternatives equivalent 4806 if (alwaysAskList.size() > 0) { 4807 for (ResolveInfo i : result) { 4808 i.preferredOrder = 0; 4809 } 4810 result.addAll(alwaysAskList); 4811 includeBrowser = true; 4812 } 4813 4814 if (includeBrowser) { 4815 // Also add browsers (all of them or only the default one) 4816 if (DEBUG_DOMAIN_VERIFICATION) { 4817 Slog.v(TAG, " ...including browsers in candidate set"); 4818 } 4819 if ((matchFlags & MATCH_ALL) != 0) { 4820 result.addAll(matchAllList); 4821 } else { 4822 // Browser/generic handling case. If there's a default browser, go straight 4823 // to that (but only if there is no other higher-priority match). 4824 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4825 int maxMatchPrio = 0; 4826 ResolveInfo defaultBrowserMatch = null; 4827 final int numCandidates = matchAllList.size(); 4828 for (int n = 0; n < numCandidates; n++) { 4829 ResolveInfo info = matchAllList.get(n); 4830 // track the highest overall match priority... 4831 if (info.priority > maxMatchPrio) { 4832 maxMatchPrio = info.priority; 4833 } 4834 // ...and the highest-priority default browser match 4835 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4836 if (defaultBrowserMatch == null 4837 || (defaultBrowserMatch.priority < info.priority)) { 4838 if (debug) { 4839 Slog.v(TAG, "Considering default browser match " + info); 4840 } 4841 defaultBrowserMatch = info; 4842 } 4843 } 4844 } 4845 if (defaultBrowserMatch != null 4846 && defaultBrowserMatch.priority >= maxMatchPrio 4847 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4848 { 4849 if (debug) { 4850 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4851 } 4852 result.add(defaultBrowserMatch); 4853 } else { 4854 result.addAll(matchAllList); 4855 } 4856 } 4857 4858 // If there is nothing selected, add all candidates and remove the ones that the user 4859 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4860 if (result.size() == 0) { 4861 result.addAll(candidates); 4862 result.removeAll(neverList); 4863 } 4864 } 4865 } 4866 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4867 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4868 result.size()); 4869 for (ResolveInfo info : result) { 4870 Slog.v(TAG, " + " + info.activityInfo); 4871 } 4872 } 4873 return result; 4874 } 4875 4876 // Returns a packed value as a long: 4877 // 4878 // high 'int'-sized word: link status: undefined/ask/never/always. 4879 // low 'int'-sized word: relative priority among 'always' results. 4880 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4881 long result = ps.getDomainVerificationStatusForUser(userId); 4882 // if none available, get the master status 4883 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4884 if (ps.getIntentFilterVerificationInfo() != null) { 4885 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4886 } 4887 } 4888 return result; 4889 } 4890 4891 private ResolveInfo querySkipCurrentProfileIntents( 4892 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4893 int flags, int sourceUserId) { 4894 if (matchingFilters != null) { 4895 int size = matchingFilters.size(); 4896 for (int i = 0; i < size; i ++) { 4897 CrossProfileIntentFilter filter = matchingFilters.get(i); 4898 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4899 // Checking if there are activities in the target user that can handle the 4900 // intent. 4901 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4902 flags, sourceUserId); 4903 if (resolveInfo != null) { 4904 return resolveInfo; 4905 } 4906 } 4907 } 4908 } 4909 return null; 4910 } 4911 4912 // Return matching ResolveInfo if any for skip current profile intent filters. 4913 private ResolveInfo queryCrossProfileIntents( 4914 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4915 int flags, int sourceUserId) { 4916 if (matchingFilters != null) { 4917 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4918 // match the same intent. For performance reasons, it is better not to 4919 // run queryIntent twice for the same userId 4920 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4921 int size = matchingFilters.size(); 4922 for (int i = 0; i < size; i++) { 4923 CrossProfileIntentFilter filter = matchingFilters.get(i); 4924 int targetUserId = filter.getTargetUserId(); 4925 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4926 && !alreadyTriedUserIds.get(targetUserId)) { 4927 // Checking if there are activities in the target user that can handle the 4928 // intent. 4929 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4930 flags, sourceUserId); 4931 if (resolveInfo != null) return resolveInfo; 4932 alreadyTriedUserIds.put(targetUserId, true); 4933 } 4934 } 4935 } 4936 return null; 4937 } 4938 4939 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4940 String resolvedType, int flags, int sourceUserId) { 4941 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4942 resolvedType, flags, filter.getTargetUserId()); 4943 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4944 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4945 } 4946 return null; 4947 } 4948 4949 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4950 int sourceUserId, int targetUserId) { 4951 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4952 String className; 4953 if (targetUserId == UserHandle.USER_OWNER) { 4954 className = FORWARD_INTENT_TO_USER_OWNER; 4955 } else { 4956 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4957 } 4958 ComponentName forwardingActivityComponentName = new ComponentName( 4959 mAndroidApplication.packageName, className); 4960 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4961 sourceUserId); 4962 if (targetUserId == UserHandle.USER_OWNER) { 4963 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4964 forwardingResolveInfo.noResourceId = true; 4965 } 4966 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4967 forwardingResolveInfo.priority = 0; 4968 forwardingResolveInfo.preferredOrder = 0; 4969 forwardingResolveInfo.match = 0; 4970 forwardingResolveInfo.isDefault = true; 4971 forwardingResolveInfo.filter = filter; 4972 forwardingResolveInfo.targetUserId = targetUserId; 4973 return forwardingResolveInfo; 4974 } 4975 4976 @Override 4977 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4978 Intent[] specifics, String[] specificTypes, Intent intent, 4979 String resolvedType, int flags, int userId) { 4980 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4981 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4982 false, "query intent activity options"); 4983 final String resultsAction = intent.getAction(); 4984 4985 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4986 | PackageManager.GET_RESOLVED_FILTER, userId); 4987 4988 if (DEBUG_INTENT_MATCHING) { 4989 Log.v(TAG, "Query " + intent + ": " + results); 4990 } 4991 4992 int specificsPos = 0; 4993 int N; 4994 4995 // todo: note that the algorithm used here is O(N^2). This 4996 // isn't a problem in our current environment, but if we start running 4997 // into situations where we have more than 5 or 10 matches then this 4998 // should probably be changed to something smarter... 4999 5000 // First we go through and resolve each of the specific items 5001 // that were supplied, taking care of removing any corresponding 5002 // duplicate items in the generic resolve list. 5003 if (specifics != null) { 5004 for (int i=0; i<specifics.length; i++) { 5005 final Intent sintent = specifics[i]; 5006 if (sintent == null) { 5007 continue; 5008 } 5009 5010 if (DEBUG_INTENT_MATCHING) { 5011 Log.v(TAG, "Specific #" + i + ": " + sintent); 5012 } 5013 5014 String action = sintent.getAction(); 5015 if (resultsAction != null && resultsAction.equals(action)) { 5016 // If this action was explicitly requested, then don't 5017 // remove things that have it. 5018 action = null; 5019 } 5020 5021 ResolveInfo ri = null; 5022 ActivityInfo ai = null; 5023 5024 ComponentName comp = sintent.getComponent(); 5025 if (comp == null) { 5026 ri = resolveIntent( 5027 sintent, 5028 specificTypes != null ? specificTypes[i] : null, 5029 flags, userId); 5030 if (ri == null) { 5031 continue; 5032 } 5033 if (ri == mResolveInfo) { 5034 // ACK! Must do something better with this. 5035 } 5036 ai = ri.activityInfo; 5037 comp = new ComponentName(ai.applicationInfo.packageName, 5038 ai.name); 5039 } else { 5040 ai = getActivityInfo(comp, flags, userId); 5041 if (ai == null) { 5042 continue; 5043 } 5044 } 5045 5046 // Look for any generic query activities that are duplicates 5047 // of this specific one, and remove them from the results. 5048 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5049 N = results.size(); 5050 int j; 5051 for (j=specificsPos; j<N; j++) { 5052 ResolveInfo sri = results.get(j); 5053 if ((sri.activityInfo.name.equals(comp.getClassName()) 5054 && sri.activityInfo.applicationInfo.packageName.equals( 5055 comp.getPackageName())) 5056 || (action != null && sri.filter.matchAction(action))) { 5057 results.remove(j); 5058 if (DEBUG_INTENT_MATCHING) Log.v( 5059 TAG, "Removing duplicate item from " + j 5060 + " due to specific " + specificsPos); 5061 if (ri == null) { 5062 ri = sri; 5063 } 5064 j--; 5065 N--; 5066 } 5067 } 5068 5069 // Add this specific item to its proper place. 5070 if (ri == null) { 5071 ri = new ResolveInfo(); 5072 ri.activityInfo = ai; 5073 } 5074 results.add(specificsPos, ri); 5075 ri.specificIndex = i; 5076 specificsPos++; 5077 } 5078 } 5079 5080 // Now we go through the remaining generic results and remove any 5081 // duplicate actions that are found here. 5082 N = results.size(); 5083 for (int i=specificsPos; i<N-1; i++) { 5084 final ResolveInfo rii = results.get(i); 5085 if (rii.filter == null) { 5086 continue; 5087 } 5088 5089 // Iterate over all of the actions of this result's intent 5090 // filter... typically this should be just one. 5091 final Iterator<String> it = rii.filter.actionsIterator(); 5092 if (it == null) { 5093 continue; 5094 } 5095 while (it.hasNext()) { 5096 final String action = it.next(); 5097 if (resultsAction != null && resultsAction.equals(action)) { 5098 // If this action was explicitly requested, then don't 5099 // remove things that have it. 5100 continue; 5101 } 5102 for (int j=i+1; j<N; j++) { 5103 final ResolveInfo rij = results.get(j); 5104 if (rij.filter != null && rij.filter.hasAction(action)) { 5105 results.remove(j); 5106 if (DEBUG_INTENT_MATCHING) Log.v( 5107 TAG, "Removing duplicate item from " + j 5108 + " due to action " + action + " at " + i); 5109 j--; 5110 N--; 5111 } 5112 } 5113 } 5114 5115 // If the caller didn't request filter information, drop it now 5116 // so we don't have to marshall/unmarshall it. 5117 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5118 rii.filter = null; 5119 } 5120 } 5121 5122 // Filter out the caller activity if so requested. 5123 if (caller != null) { 5124 N = results.size(); 5125 for (int i=0; i<N; i++) { 5126 ActivityInfo ainfo = results.get(i).activityInfo; 5127 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5128 && caller.getClassName().equals(ainfo.name)) { 5129 results.remove(i); 5130 break; 5131 } 5132 } 5133 } 5134 5135 // If the caller didn't request filter information, 5136 // drop them now so we don't have to 5137 // marshall/unmarshall it. 5138 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5139 N = results.size(); 5140 for (int i=0; i<N; i++) { 5141 results.get(i).filter = null; 5142 } 5143 } 5144 5145 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5146 return results; 5147 } 5148 5149 @Override 5150 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5151 int userId) { 5152 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5153 ComponentName comp = intent.getComponent(); 5154 if (comp == null) { 5155 if (intent.getSelector() != null) { 5156 intent = intent.getSelector(); 5157 comp = intent.getComponent(); 5158 } 5159 } 5160 if (comp != null) { 5161 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5162 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5163 if (ai != null) { 5164 ResolveInfo ri = new ResolveInfo(); 5165 ri.activityInfo = ai; 5166 list.add(ri); 5167 } 5168 return list; 5169 } 5170 5171 // reader 5172 synchronized (mPackages) { 5173 String pkgName = intent.getPackage(); 5174 if (pkgName == null) { 5175 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5176 } 5177 final PackageParser.Package pkg = mPackages.get(pkgName); 5178 if (pkg != null) { 5179 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5180 userId); 5181 } 5182 return null; 5183 } 5184 } 5185 5186 @Override 5187 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5188 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5189 if (!sUserManager.exists(userId)) return null; 5190 if (query != null) { 5191 if (query.size() >= 1) { 5192 // If there is more than one service with the same priority, 5193 // just arbitrarily pick the first one. 5194 return query.get(0); 5195 } 5196 } 5197 return null; 5198 } 5199 5200 @Override 5201 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5202 int userId) { 5203 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5204 ComponentName comp = intent.getComponent(); 5205 if (comp == null) { 5206 if (intent.getSelector() != null) { 5207 intent = intent.getSelector(); 5208 comp = intent.getComponent(); 5209 } 5210 } 5211 if (comp != null) { 5212 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5213 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5214 if (si != null) { 5215 final ResolveInfo ri = new ResolveInfo(); 5216 ri.serviceInfo = si; 5217 list.add(ri); 5218 } 5219 return list; 5220 } 5221 5222 // reader 5223 synchronized (mPackages) { 5224 String pkgName = intent.getPackage(); 5225 if (pkgName == null) { 5226 return mServices.queryIntent(intent, resolvedType, flags, userId); 5227 } 5228 final PackageParser.Package pkg = mPackages.get(pkgName); 5229 if (pkg != null) { 5230 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5231 userId); 5232 } 5233 return null; 5234 } 5235 } 5236 5237 @Override 5238 public List<ResolveInfo> queryIntentContentProviders( 5239 Intent intent, String resolvedType, int flags, int userId) { 5240 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5241 ComponentName comp = intent.getComponent(); 5242 if (comp == null) { 5243 if (intent.getSelector() != null) { 5244 intent = intent.getSelector(); 5245 comp = intent.getComponent(); 5246 } 5247 } 5248 if (comp != null) { 5249 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5250 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5251 if (pi != null) { 5252 final ResolveInfo ri = new ResolveInfo(); 5253 ri.providerInfo = pi; 5254 list.add(ri); 5255 } 5256 return list; 5257 } 5258 5259 // reader 5260 synchronized (mPackages) { 5261 String pkgName = intent.getPackage(); 5262 if (pkgName == null) { 5263 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5264 } 5265 final PackageParser.Package pkg = mPackages.get(pkgName); 5266 if (pkg != null) { 5267 return mProviders.queryIntentForPackage( 5268 intent, resolvedType, flags, pkg.providers, userId); 5269 } 5270 return null; 5271 } 5272 } 5273 5274 @Override 5275 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5276 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5277 5278 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5279 5280 // writer 5281 synchronized (mPackages) { 5282 ArrayList<PackageInfo> list; 5283 if (listUninstalled) { 5284 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5285 for (PackageSetting ps : mSettings.mPackages.values()) { 5286 PackageInfo pi; 5287 if (ps.pkg != null) { 5288 pi = generatePackageInfo(ps.pkg, flags, userId); 5289 } else { 5290 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5291 } 5292 if (pi != null) { 5293 list.add(pi); 5294 } 5295 } 5296 } else { 5297 list = new ArrayList<PackageInfo>(mPackages.size()); 5298 for (PackageParser.Package p : mPackages.values()) { 5299 PackageInfo pi = generatePackageInfo(p, flags, userId); 5300 if (pi != null) { 5301 list.add(pi); 5302 } 5303 } 5304 } 5305 5306 return new ParceledListSlice<PackageInfo>(list); 5307 } 5308 } 5309 5310 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5311 String[] permissions, boolean[] tmp, int flags, int userId) { 5312 int numMatch = 0; 5313 final PermissionsState permissionsState = ps.getPermissionsState(); 5314 for (int i=0; i<permissions.length; i++) { 5315 final String permission = permissions[i]; 5316 if (permissionsState.hasPermission(permission, userId)) { 5317 tmp[i] = true; 5318 numMatch++; 5319 } else { 5320 tmp[i] = false; 5321 } 5322 } 5323 if (numMatch == 0) { 5324 return; 5325 } 5326 PackageInfo pi; 5327 if (ps.pkg != null) { 5328 pi = generatePackageInfo(ps.pkg, flags, userId); 5329 } else { 5330 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5331 } 5332 // The above might return null in cases of uninstalled apps or install-state 5333 // skew across users/profiles. 5334 if (pi != null) { 5335 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5336 if (numMatch == permissions.length) { 5337 pi.requestedPermissions = permissions; 5338 } else { 5339 pi.requestedPermissions = new String[numMatch]; 5340 numMatch = 0; 5341 for (int i=0; i<permissions.length; i++) { 5342 if (tmp[i]) { 5343 pi.requestedPermissions[numMatch] = permissions[i]; 5344 numMatch++; 5345 } 5346 } 5347 } 5348 } 5349 list.add(pi); 5350 } 5351 } 5352 5353 @Override 5354 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5355 String[] permissions, int flags, int userId) { 5356 if (!sUserManager.exists(userId)) return null; 5357 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5358 5359 // writer 5360 synchronized (mPackages) { 5361 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5362 boolean[] tmpBools = new boolean[permissions.length]; 5363 if (listUninstalled) { 5364 for (PackageSetting ps : mSettings.mPackages.values()) { 5365 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5366 } 5367 } else { 5368 for (PackageParser.Package pkg : mPackages.values()) { 5369 PackageSetting ps = (PackageSetting)pkg.mExtras; 5370 if (ps != null) { 5371 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5372 userId); 5373 } 5374 } 5375 } 5376 5377 return new ParceledListSlice<PackageInfo>(list); 5378 } 5379 } 5380 5381 @Override 5382 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5383 if (!sUserManager.exists(userId)) return null; 5384 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5385 5386 // writer 5387 synchronized (mPackages) { 5388 ArrayList<ApplicationInfo> list; 5389 if (listUninstalled) { 5390 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5391 for (PackageSetting ps : mSettings.mPackages.values()) { 5392 ApplicationInfo ai; 5393 if (ps.pkg != null) { 5394 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5395 ps.readUserState(userId), userId); 5396 } else { 5397 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5398 } 5399 if (ai != null) { 5400 list.add(ai); 5401 } 5402 } 5403 } else { 5404 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5405 for (PackageParser.Package p : mPackages.values()) { 5406 if (p.mExtras != null) { 5407 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5408 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5409 if (ai != null) { 5410 list.add(ai); 5411 } 5412 } 5413 } 5414 } 5415 5416 return new ParceledListSlice<ApplicationInfo>(list); 5417 } 5418 } 5419 5420 public List<ApplicationInfo> getPersistentApplications(int flags) { 5421 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5422 5423 // reader 5424 synchronized (mPackages) { 5425 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5426 final int userId = UserHandle.getCallingUserId(); 5427 while (i.hasNext()) { 5428 final PackageParser.Package p = i.next(); 5429 if (p.applicationInfo != null 5430 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5431 && (!mSafeMode || isSystemApp(p))) { 5432 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5433 if (ps != null) { 5434 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5435 ps.readUserState(userId), userId); 5436 if (ai != null) { 5437 finalList.add(ai); 5438 } 5439 } 5440 } 5441 } 5442 } 5443 5444 return finalList; 5445 } 5446 5447 @Override 5448 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5449 if (!sUserManager.exists(userId)) return null; 5450 // reader 5451 synchronized (mPackages) { 5452 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5453 PackageSetting ps = provider != null 5454 ? mSettings.mPackages.get(provider.owner.packageName) 5455 : null; 5456 return ps != null 5457 && mSettings.isEnabledLPr(provider.info, flags, userId) 5458 && (!mSafeMode || (provider.info.applicationInfo.flags 5459 &ApplicationInfo.FLAG_SYSTEM) != 0) 5460 ? PackageParser.generateProviderInfo(provider, flags, 5461 ps.readUserState(userId), userId) 5462 : null; 5463 } 5464 } 5465 5466 /** 5467 * @deprecated 5468 */ 5469 @Deprecated 5470 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5471 // reader 5472 synchronized (mPackages) { 5473 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5474 .entrySet().iterator(); 5475 final int userId = UserHandle.getCallingUserId(); 5476 while (i.hasNext()) { 5477 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5478 PackageParser.Provider p = entry.getValue(); 5479 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5480 5481 if (ps != null && p.syncable 5482 && (!mSafeMode || (p.info.applicationInfo.flags 5483 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5484 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5485 ps.readUserState(userId), userId); 5486 if (info != null) { 5487 outNames.add(entry.getKey()); 5488 outInfo.add(info); 5489 } 5490 } 5491 } 5492 } 5493 } 5494 5495 @Override 5496 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5497 int uid, int flags) { 5498 ArrayList<ProviderInfo> finalList = null; 5499 // reader 5500 synchronized (mPackages) { 5501 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5502 final int userId = processName != null ? 5503 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5504 while (i.hasNext()) { 5505 final PackageParser.Provider p = i.next(); 5506 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5507 if (ps != null && p.info.authority != null 5508 && (processName == null 5509 || (p.info.processName.equals(processName) 5510 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5511 && mSettings.isEnabledLPr(p.info, flags, userId) 5512 && (!mSafeMode 5513 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5514 if (finalList == null) { 5515 finalList = new ArrayList<ProviderInfo>(3); 5516 } 5517 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5518 ps.readUserState(userId), userId); 5519 if (info != null) { 5520 finalList.add(info); 5521 } 5522 } 5523 } 5524 } 5525 5526 if (finalList != null) { 5527 Collections.sort(finalList, mProviderInitOrderSorter); 5528 return new ParceledListSlice<ProviderInfo>(finalList); 5529 } 5530 5531 return null; 5532 } 5533 5534 @Override 5535 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5536 int flags) { 5537 // reader 5538 synchronized (mPackages) { 5539 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5540 return PackageParser.generateInstrumentationInfo(i, flags); 5541 } 5542 } 5543 5544 @Override 5545 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5546 int flags) { 5547 ArrayList<InstrumentationInfo> finalList = 5548 new ArrayList<InstrumentationInfo>(); 5549 5550 // reader 5551 synchronized (mPackages) { 5552 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5553 while (i.hasNext()) { 5554 final PackageParser.Instrumentation p = i.next(); 5555 if (targetPackage == null 5556 || targetPackage.equals(p.info.targetPackage)) { 5557 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5558 flags); 5559 if (ii != null) { 5560 finalList.add(ii); 5561 } 5562 } 5563 } 5564 } 5565 5566 return finalList; 5567 } 5568 5569 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5570 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5571 if (overlays == null) { 5572 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5573 return; 5574 } 5575 for (PackageParser.Package opkg : overlays.values()) { 5576 // Not much to do if idmap fails: we already logged the error 5577 // and we certainly don't want to abort installation of pkg simply 5578 // because an overlay didn't fit properly. For these reasons, 5579 // ignore the return value of createIdmapForPackagePairLI. 5580 createIdmapForPackagePairLI(pkg, opkg); 5581 } 5582 } 5583 5584 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5585 PackageParser.Package opkg) { 5586 if (!opkg.mTrustedOverlay) { 5587 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5588 opkg.baseCodePath + ": overlay not trusted"); 5589 return false; 5590 } 5591 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5592 if (overlaySet == null) { 5593 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5594 opkg.baseCodePath + " but target package has no known overlays"); 5595 return false; 5596 } 5597 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5598 // TODO: generate idmap for split APKs 5599 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5600 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5601 + opkg.baseCodePath); 5602 return false; 5603 } 5604 PackageParser.Package[] overlayArray = 5605 overlaySet.values().toArray(new PackageParser.Package[0]); 5606 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5607 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5608 return p1.mOverlayPriority - p2.mOverlayPriority; 5609 } 5610 }; 5611 Arrays.sort(overlayArray, cmp); 5612 5613 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5614 int i = 0; 5615 for (PackageParser.Package p : overlayArray) { 5616 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5617 } 5618 return true; 5619 } 5620 5621 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5622 final File[] files = dir.listFiles(); 5623 if (ArrayUtils.isEmpty(files)) { 5624 Log.d(TAG, "No files in app dir " + dir); 5625 return; 5626 } 5627 5628 if (DEBUG_PACKAGE_SCANNING) { 5629 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5630 + " flags=0x" + Integer.toHexString(parseFlags)); 5631 } 5632 5633 for (File file : files) { 5634 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5635 && !PackageInstallerService.isStageName(file.getName()); 5636 if (!isPackage) { 5637 // Ignore entries which are not packages 5638 continue; 5639 } 5640 try { 5641 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5642 scanFlags, currentTime, null); 5643 } catch (PackageManagerException e) { 5644 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5645 5646 // Delete invalid userdata apps 5647 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5648 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5649 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5650 if (file.isDirectory()) { 5651 mInstaller.rmPackageDir(file.getAbsolutePath()); 5652 } else { 5653 file.delete(); 5654 } 5655 } 5656 } 5657 } 5658 } 5659 5660 private static File getSettingsProblemFile() { 5661 File dataDir = Environment.getDataDirectory(); 5662 File systemDir = new File(dataDir, "system"); 5663 File fname = new File(systemDir, "uiderrors.txt"); 5664 return fname; 5665 } 5666 5667 static void reportSettingsProblem(int priority, String msg) { 5668 logCriticalInfo(priority, msg); 5669 } 5670 5671 static void logCriticalInfo(int priority, String msg) { 5672 Slog.println(priority, TAG, msg); 5673 EventLogTags.writePmCriticalInfo(msg); 5674 try { 5675 File fname = getSettingsProblemFile(); 5676 FileOutputStream out = new FileOutputStream(fname, true); 5677 PrintWriter pw = new FastPrintWriter(out); 5678 SimpleDateFormat formatter = new SimpleDateFormat(); 5679 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5680 pw.println(dateString + ": " + msg); 5681 pw.close(); 5682 FileUtils.setPermissions( 5683 fname.toString(), 5684 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5685 -1, -1); 5686 } catch (java.io.IOException e) { 5687 } 5688 } 5689 5690 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5691 PackageParser.Package pkg, File srcFile, int parseFlags) 5692 throws PackageManagerException { 5693 if (ps != null 5694 && ps.codePath.equals(srcFile) 5695 && ps.timeStamp == srcFile.lastModified() 5696 && !isCompatSignatureUpdateNeeded(pkg) 5697 && !isRecoverSignatureUpdateNeeded(pkg)) { 5698 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5699 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5700 ArraySet<PublicKey> signingKs; 5701 synchronized (mPackages) { 5702 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5703 } 5704 if (ps.signatures.mSignatures != null 5705 && ps.signatures.mSignatures.length != 0 5706 && signingKs != null) { 5707 // Optimization: reuse the existing cached certificates 5708 // if the package appears to be unchanged. 5709 pkg.mSignatures = ps.signatures.mSignatures; 5710 pkg.mSigningKeys = signingKs; 5711 return; 5712 } 5713 5714 Slog.w(TAG, "PackageSetting for " + ps.name 5715 + " is missing signatures. Collecting certs again to recover them."); 5716 } else { 5717 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5718 } 5719 5720 try { 5721 pp.collectCertificates(pkg, parseFlags); 5722 pp.collectManifestDigest(pkg); 5723 } catch (PackageParserException e) { 5724 throw PackageManagerException.from(e); 5725 } 5726 } 5727 5728 /* 5729 * Scan a package and return the newly parsed package. 5730 * Returns null in case of errors and the error code is stored in mLastScanError 5731 */ 5732 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5733 long currentTime, UserHandle user) throws PackageManagerException { 5734 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5735 parseFlags |= mDefParseFlags; 5736 PackageParser pp = new PackageParser(); 5737 pp.setSeparateProcesses(mSeparateProcesses); 5738 pp.setOnlyCoreApps(mOnlyCore); 5739 pp.setDisplayMetrics(mMetrics); 5740 5741 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5742 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5743 } 5744 5745 final PackageParser.Package pkg; 5746 try { 5747 pkg = pp.parsePackage(scanFile, parseFlags); 5748 } catch (PackageParserException e) { 5749 throw PackageManagerException.from(e); 5750 } 5751 5752 PackageSetting ps = null; 5753 PackageSetting updatedPkg; 5754 // reader 5755 synchronized (mPackages) { 5756 // Look to see if we already know about this package. 5757 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5758 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5759 // This package has been renamed to its original name. Let's 5760 // use that. 5761 ps = mSettings.peekPackageLPr(oldName); 5762 } 5763 // If there was no original package, see one for the real package name. 5764 if (ps == null) { 5765 ps = mSettings.peekPackageLPr(pkg.packageName); 5766 } 5767 // Check to see if this package could be hiding/updating a system 5768 // package. Must look for it either under the original or real 5769 // package name depending on our state. 5770 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5771 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5772 } 5773 boolean updatedPkgBetter = false; 5774 // First check if this is a system package that may involve an update 5775 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5776 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5777 // it needs to drop FLAG_PRIVILEGED. 5778 if (locationIsPrivileged(scanFile)) { 5779 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5780 } else { 5781 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5782 } 5783 5784 if (ps != null && !ps.codePath.equals(scanFile)) { 5785 // The path has changed from what was last scanned... check the 5786 // version of the new path against what we have stored to determine 5787 // what to do. 5788 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5789 if (pkg.mVersionCode <= ps.versionCode) { 5790 // The system package has been updated and the code path does not match 5791 // Ignore entry. Skip it. 5792 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5793 + " ignored: updated version " + ps.versionCode 5794 + " better than this " + pkg.mVersionCode); 5795 if (!updatedPkg.codePath.equals(scanFile)) { 5796 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5797 + ps.name + " changing from " + updatedPkg.codePathString 5798 + " to " + scanFile); 5799 updatedPkg.codePath = scanFile; 5800 updatedPkg.codePathString = scanFile.toString(); 5801 updatedPkg.resourcePath = scanFile; 5802 updatedPkg.resourcePathString = scanFile.toString(); 5803 } 5804 updatedPkg.pkg = pkg; 5805 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5806 "Package " + ps.name + " at " + scanFile 5807 + " ignored: updated version " + ps.versionCode 5808 + " better than this " + pkg.mVersionCode); 5809 } else { 5810 // The current app on the system partition is better than 5811 // what we have updated to on the data partition; switch 5812 // back to the system partition version. 5813 // At this point, its safely assumed that package installation for 5814 // apps in system partition will go through. If not there won't be a working 5815 // version of the app 5816 // writer 5817 synchronized (mPackages) { 5818 // Just remove the loaded entries from package lists. 5819 mPackages.remove(ps.name); 5820 } 5821 5822 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5823 + " reverting from " + ps.codePathString 5824 + ": new version " + pkg.mVersionCode 5825 + " better than installed " + ps.versionCode); 5826 5827 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5828 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5829 synchronized (mInstallLock) { 5830 args.cleanUpResourcesLI(); 5831 } 5832 synchronized (mPackages) { 5833 mSettings.enableSystemPackageLPw(ps.name); 5834 } 5835 updatedPkgBetter = true; 5836 } 5837 } 5838 } 5839 5840 if (updatedPkg != null) { 5841 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5842 // initially 5843 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5844 5845 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5846 // flag set initially 5847 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5848 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5849 } 5850 } 5851 5852 // Verify certificates against what was last scanned 5853 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5854 5855 /* 5856 * A new system app appeared, but we already had a non-system one of the 5857 * same name installed earlier. 5858 */ 5859 boolean shouldHideSystemApp = false; 5860 if (updatedPkg == null && ps != null 5861 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5862 /* 5863 * Check to make sure the signatures match first. If they don't, 5864 * wipe the installed application and its data. 5865 */ 5866 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5867 != PackageManager.SIGNATURE_MATCH) { 5868 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5869 + " signatures don't match existing userdata copy; removing"); 5870 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5871 ps = null; 5872 } else { 5873 /* 5874 * If the newly-added system app is an older version than the 5875 * already installed version, hide it. It will be scanned later 5876 * and re-added like an update. 5877 */ 5878 if (pkg.mVersionCode <= ps.versionCode) { 5879 shouldHideSystemApp = true; 5880 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5881 + " but new version " + pkg.mVersionCode + " better than installed " 5882 + ps.versionCode + "; hiding system"); 5883 } else { 5884 /* 5885 * The newly found system app is a newer version that the 5886 * one previously installed. Simply remove the 5887 * already-installed application and replace it with our own 5888 * while keeping the application data. 5889 */ 5890 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5891 + " reverting from " + ps.codePathString + ": new version " 5892 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5893 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5894 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5895 synchronized (mInstallLock) { 5896 args.cleanUpResourcesLI(); 5897 } 5898 } 5899 } 5900 } 5901 5902 // The apk is forward locked (not public) if its code and resources 5903 // are kept in different files. (except for app in either system or 5904 // vendor path). 5905 // TODO grab this value from PackageSettings 5906 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5907 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5908 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5909 } 5910 } 5911 5912 // TODO: extend to support forward-locked splits 5913 String resourcePath = null; 5914 String baseResourcePath = null; 5915 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5916 if (ps != null && ps.resourcePathString != null) { 5917 resourcePath = ps.resourcePathString; 5918 baseResourcePath = ps.resourcePathString; 5919 } else { 5920 // Should not happen at all. Just log an error. 5921 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5922 } 5923 } else { 5924 resourcePath = pkg.codePath; 5925 baseResourcePath = pkg.baseCodePath; 5926 } 5927 5928 // Set application objects path explicitly. 5929 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5930 pkg.applicationInfo.setCodePath(pkg.codePath); 5931 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5932 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5933 pkg.applicationInfo.setResourcePath(resourcePath); 5934 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5935 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5936 5937 // Note that we invoke the following method only if we are about to unpack an application 5938 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5939 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5940 5941 /* 5942 * If the system app should be overridden by a previously installed 5943 * data, hide the system app now and let the /data/app scan pick it up 5944 * again. 5945 */ 5946 if (shouldHideSystemApp) { 5947 synchronized (mPackages) { 5948 mSettings.disableSystemPackageLPw(pkg.packageName); 5949 } 5950 } 5951 5952 return scannedPkg; 5953 } 5954 5955 private static String fixProcessName(String defProcessName, 5956 String processName, int uid) { 5957 if (processName == null) { 5958 return defProcessName; 5959 } 5960 return processName; 5961 } 5962 5963 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5964 throws PackageManagerException { 5965 if (pkgSetting.signatures.mSignatures != null) { 5966 // Already existing package. Make sure signatures match 5967 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5968 == PackageManager.SIGNATURE_MATCH; 5969 if (!match) { 5970 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5971 == PackageManager.SIGNATURE_MATCH; 5972 } 5973 if (!match) { 5974 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5975 == PackageManager.SIGNATURE_MATCH; 5976 } 5977 if (!match) { 5978 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5979 + pkg.packageName + " signatures do not match the " 5980 + "previously installed version; ignoring!"); 5981 } 5982 } 5983 5984 // Check for shared user signatures 5985 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5986 // Already existing package. Make sure signatures match 5987 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5988 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5989 if (!match) { 5990 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5991 == PackageManager.SIGNATURE_MATCH; 5992 } 5993 if (!match) { 5994 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5995 == PackageManager.SIGNATURE_MATCH; 5996 } 5997 if (!match) { 5998 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5999 "Package " + pkg.packageName 6000 + " has no signatures that match those in shared user " 6001 + pkgSetting.sharedUser.name + "; ignoring!"); 6002 } 6003 } 6004 } 6005 6006 /** 6007 * Enforces that only the system UID or root's UID can call a method exposed 6008 * via Binder. 6009 * 6010 * @param message used as message if SecurityException is thrown 6011 * @throws SecurityException if the caller is not system or root 6012 */ 6013 private static final void enforceSystemOrRoot(String message) { 6014 final int uid = Binder.getCallingUid(); 6015 if (uid != Process.SYSTEM_UID && uid != 0) { 6016 throw new SecurityException(message); 6017 } 6018 } 6019 6020 @Override 6021 public void performBootDexOpt() { 6022 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6023 6024 // Before everything else, see whether we need to fstrim. 6025 try { 6026 IMountService ms = PackageHelper.getMountService(); 6027 if (ms != null) { 6028 final boolean isUpgrade = isUpgrade(); 6029 boolean doTrim = isUpgrade; 6030 if (doTrim) { 6031 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6032 } else { 6033 final long interval = android.provider.Settings.Global.getLong( 6034 mContext.getContentResolver(), 6035 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6036 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6037 if (interval > 0) { 6038 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6039 if (timeSinceLast > interval) { 6040 doTrim = true; 6041 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6042 + "; running immediately"); 6043 } 6044 } 6045 } 6046 if (doTrim) { 6047 if (!isFirstBoot()) { 6048 try { 6049 ActivityManagerNative.getDefault().showBootMessage( 6050 mContext.getResources().getString( 6051 R.string.android_upgrading_fstrim), true); 6052 } catch (RemoteException e) { 6053 } 6054 } 6055 ms.runMaintenance(); 6056 } 6057 } else { 6058 Slog.e(TAG, "Mount service unavailable!"); 6059 } 6060 } catch (RemoteException e) { 6061 // Can't happen; MountService is local 6062 } 6063 6064 final ArraySet<PackageParser.Package> pkgs; 6065 synchronized (mPackages) { 6066 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6067 } 6068 6069 if (pkgs != null) { 6070 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6071 // in case the device runs out of space. 6072 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6073 // Give priority to core apps. 6074 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6075 PackageParser.Package pkg = it.next(); 6076 if (pkg.coreApp) { 6077 if (DEBUG_DEXOPT) { 6078 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6079 } 6080 sortedPkgs.add(pkg); 6081 it.remove(); 6082 } 6083 } 6084 // Give priority to system apps that listen for pre boot complete. 6085 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6086 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 6087 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6088 PackageParser.Package pkg = it.next(); 6089 if (pkgNames.contains(pkg.packageName)) { 6090 if (DEBUG_DEXOPT) { 6091 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6092 } 6093 sortedPkgs.add(pkg); 6094 it.remove(); 6095 } 6096 } 6097 // Filter out packages that aren't recently used. 6098 filterRecentlyUsedApps(pkgs); 6099 // Add all remaining apps. 6100 for (PackageParser.Package pkg : pkgs) { 6101 if (DEBUG_DEXOPT) { 6102 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6103 } 6104 sortedPkgs.add(pkg); 6105 } 6106 6107 // If we want to be lazy, filter everything that wasn't recently used. 6108 if (mLazyDexOpt) { 6109 filterRecentlyUsedApps(sortedPkgs); 6110 } 6111 6112 int i = 0; 6113 int total = sortedPkgs.size(); 6114 File dataDir = Environment.getDataDirectory(); 6115 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6116 if (lowThreshold == 0) { 6117 throw new IllegalStateException("Invalid low memory threshold"); 6118 } 6119 for (PackageParser.Package pkg : sortedPkgs) { 6120 long usableSpace = dataDir.getUsableSpace(); 6121 if (usableSpace < lowThreshold) { 6122 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6123 break; 6124 } 6125 performBootDexOpt(pkg, ++i, total); 6126 } 6127 } 6128 } 6129 6130 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6131 // Filter out packages that aren't recently used. 6132 // 6133 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6134 // should do a full dexopt. 6135 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6136 int total = pkgs.size(); 6137 int skipped = 0; 6138 long now = System.currentTimeMillis(); 6139 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6140 PackageParser.Package pkg = i.next(); 6141 long then = pkg.mLastPackageUsageTimeInMills; 6142 if (then + mDexOptLRUThresholdInMills < now) { 6143 if (DEBUG_DEXOPT) { 6144 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6145 ((then == 0) ? "never" : new Date(then))); 6146 } 6147 i.remove(); 6148 skipped++; 6149 } 6150 } 6151 if (DEBUG_DEXOPT) { 6152 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6153 } 6154 } 6155 } 6156 6157 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6158 List<ResolveInfo> ris = null; 6159 try { 6160 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6161 intent, null, 0, UserHandle.USER_OWNER); 6162 } catch (RemoteException e) { 6163 } 6164 ArraySet<String> pkgNames = new ArraySet<String>(); 6165 if (ris != null) { 6166 for (ResolveInfo ri : ris) { 6167 pkgNames.add(ri.activityInfo.packageName); 6168 } 6169 } 6170 return pkgNames; 6171 } 6172 6173 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6174 if (DEBUG_DEXOPT) { 6175 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6176 } 6177 if (!isFirstBoot()) { 6178 try { 6179 ActivityManagerNative.getDefault().showBootMessage( 6180 mContext.getResources().getString(R.string.android_upgrading_apk, 6181 curr, total), true); 6182 } catch (RemoteException e) { 6183 } 6184 } 6185 PackageParser.Package p = pkg; 6186 synchronized (mInstallLock) { 6187 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6188 false /* force dex */, false /* defer */, true /* include dependencies */, 6189 false /* boot complete */, false /*useJit*/); 6190 } 6191 } 6192 6193 @Override 6194 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6195 return performDexOpt(packageName, instructionSet, false); 6196 } 6197 6198 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6199 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6200 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6201 if (!dexopt && !updateUsage) { 6202 // We aren't going to dexopt or update usage, so bail early. 6203 return false; 6204 } 6205 PackageParser.Package p; 6206 final String targetInstructionSet; 6207 synchronized (mPackages) { 6208 p = mPackages.get(packageName); 6209 if (p == null) { 6210 return false; 6211 } 6212 if (updateUsage) { 6213 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6214 } 6215 mPackageUsage.write(false); 6216 if (!dexopt) { 6217 // We aren't going to dexopt, so bail early. 6218 return false; 6219 } 6220 6221 targetInstructionSet = instructionSet != null ? instructionSet : 6222 getPrimaryInstructionSet(p.applicationInfo); 6223 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6224 return false; 6225 } 6226 } 6227 long callingId = Binder.clearCallingIdentity(); 6228 try { 6229 synchronized (mInstallLock) { 6230 final String[] instructionSets = new String[] { targetInstructionSet }; 6231 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6232 false /* forceDex */, false /* defer */, true /* inclDependencies */, 6233 true /* boot complete */, false /*useJit*/); 6234 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6235 } 6236 } finally { 6237 Binder.restoreCallingIdentity(callingId); 6238 } 6239 } 6240 6241 public ArraySet<String> getPackagesThatNeedDexOpt() { 6242 ArraySet<String> pkgs = null; 6243 synchronized (mPackages) { 6244 for (PackageParser.Package p : mPackages.values()) { 6245 if (DEBUG_DEXOPT) { 6246 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6247 } 6248 if (!p.mDexOptPerformed.isEmpty()) { 6249 continue; 6250 } 6251 if (pkgs == null) { 6252 pkgs = new ArraySet<String>(); 6253 } 6254 pkgs.add(p.packageName); 6255 } 6256 } 6257 return pkgs; 6258 } 6259 6260 public void shutdown() { 6261 mPackageUsage.write(true); 6262 } 6263 6264 @Override 6265 public void forceDexOpt(String packageName) { 6266 enforceSystemOrRoot("forceDexOpt"); 6267 6268 PackageParser.Package pkg; 6269 synchronized (mPackages) { 6270 pkg = mPackages.get(packageName); 6271 if (pkg == null) { 6272 throw new IllegalArgumentException("Missing package: " + packageName); 6273 } 6274 } 6275 6276 synchronized (mInstallLock) { 6277 final String[] instructionSets = new String[] { 6278 getPrimaryInstructionSet(pkg.applicationInfo) }; 6279 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6280 true /*forceDex*/, false /* defer */, true /* inclDependencies */, 6281 true /* boot complete */, false /*useJit*/); 6282 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6283 throw new IllegalStateException("Failed to dexopt: " + res); 6284 } 6285 } 6286 } 6287 6288 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6289 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6290 Slog.w(TAG, "Unable to update from " + oldPkg.name 6291 + " to " + newPkg.packageName 6292 + ": old package not in system partition"); 6293 return false; 6294 } else if (mPackages.get(oldPkg.name) != null) { 6295 Slog.w(TAG, "Unable to update from " + oldPkg.name 6296 + " to " + newPkg.packageName 6297 + ": old package still exists"); 6298 return false; 6299 } 6300 return true; 6301 } 6302 6303 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6304 int[] users = sUserManager.getUserIds(); 6305 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6306 if (res < 0) { 6307 return res; 6308 } 6309 for (int user : users) { 6310 if (user != 0) { 6311 res = mInstaller.createUserData(volumeUuid, packageName, 6312 UserHandle.getUid(user, uid), user, seinfo); 6313 if (res < 0) { 6314 return res; 6315 } 6316 } 6317 } 6318 return res; 6319 } 6320 6321 private int removeDataDirsLI(String volumeUuid, String packageName) { 6322 int[] users = sUserManager.getUserIds(); 6323 int res = 0; 6324 for (int user : users) { 6325 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6326 if (resInner < 0) { 6327 res = resInner; 6328 } 6329 } 6330 6331 return res; 6332 } 6333 6334 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6335 int[] users = sUserManager.getUserIds(); 6336 int res = 0; 6337 for (int user : users) { 6338 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6339 if (resInner < 0) { 6340 res = resInner; 6341 } 6342 } 6343 return res; 6344 } 6345 6346 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6347 PackageParser.Package changingLib) { 6348 if (file.path != null) { 6349 usesLibraryFiles.add(file.path); 6350 return; 6351 } 6352 PackageParser.Package p = mPackages.get(file.apk); 6353 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6354 // If we are doing this while in the middle of updating a library apk, 6355 // then we need to make sure to use that new apk for determining the 6356 // dependencies here. (We haven't yet finished committing the new apk 6357 // to the package manager state.) 6358 if (p == null || p.packageName.equals(changingLib.packageName)) { 6359 p = changingLib; 6360 } 6361 } 6362 if (p != null) { 6363 usesLibraryFiles.addAll(p.getAllCodePaths()); 6364 } 6365 } 6366 6367 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6368 PackageParser.Package changingLib) throws PackageManagerException { 6369 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6370 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6371 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6372 for (int i=0; i<N; i++) { 6373 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6374 if (file == null) { 6375 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6376 "Package " + pkg.packageName + " requires unavailable shared library " 6377 + pkg.usesLibraries.get(i) + "; failing!"); 6378 } 6379 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6380 } 6381 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6382 for (int i=0; i<N; i++) { 6383 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6384 if (file == null) { 6385 Slog.w(TAG, "Package " + pkg.packageName 6386 + " desires unavailable shared library " 6387 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6388 } else { 6389 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6390 } 6391 } 6392 N = usesLibraryFiles.size(); 6393 if (N > 0) { 6394 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6395 } else { 6396 pkg.usesLibraryFiles = null; 6397 } 6398 } 6399 } 6400 6401 private static boolean hasString(List<String> list, List<String> which) { 6402 if (list == null) { 6403 return false; 6404 } 6405 for (int i=list.size()-1; i>=0; i--) { 6406 for (int j=which.size()-1; j>=0; j--) { 6407 if (which.get(j).equals(list.get(i))) { 6408 return true; 6409 } 6410 } 6411 } 6412 return false; 6413 } 6414 6415 private void updateAllSharedLibrariesLPw() { 6416 for (PackageParser.Package pkg : mPackages.values()) { 6417 try { 6418 updateSharedLibrariesLPw(pkg, null); 6419 } catch (PackageManagerException e) { 6420 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6421 } 6422 } 6423 } 6424 6425 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6426 PackageParser.Package changingPkg) { 6427 ArrayList<PackageParser.Package> res = null; 6428 for (PackageParser.Package pkg : mPackages.values()) { 6429 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6430 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6431 if (res == null) { 6432 res = new ArrayList<PackageParser.Package>(); 6433 } 6434 res.add(pkg); 6435 try { 6436 updateSharedLibrariesLPw(pkg, changingPkg); 6437 } catch (PackageManagerException e) { 6438 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6439 } 6440 } 6441 } 6442 return res; 6443 } 6444 6445 /** 6446 * Derive the value of the {@code cpuAbiOverride} based on the provided 6447 * value and an optional stored value from the package settings. 6448 */ 6449 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6450 String cpuAbiOverride = null; 6451 6452 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6453 cpuAbiOverride = null; 6454 } else if (abiOverride != null) { 6455 cpuAbiOverride = abiOverride; 6456 } else if (settings != null) { 6457 cpuAbiOverride = settings.cpuAbiOverrideString; 6458 } 6459 6460 return cpuAbiOverride; 6461 } 6462 6463 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6464 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6465 boolean success = false; 6466 try { 6467 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6468 currentTime, user); 6469 success = true; 6470 return res; 6471 } finally { 6472 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6473 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6474 } 6475 } 6476 } 6477 6478 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6479 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6480 final File scanFile = new File(pkg.codePath); 6481 if (pkg.applicationInfo.getCodePath() == null || 6482 pkg.applicationInfo.getResourcePath() == null) { 6483 // Bail out. The resource and code paths haven't been set. 6484 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6485 "Code and resource paths haven't been set correctly"); 6486 } 6487 6488 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6489 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6490 } else { 6491 // Only allow system apps to be flagged as core apps. 6492 pkg.coreApp = false; 6493 } 6494 6495 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6496 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6497 } 6498 6499 if (mCustomResolverComponentName != null && 6500 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6501 setUpCustomResolverActivity(pkg); 6502 } 6503 6504 if (pkg.packageName.equals("android")) { 6505 synchronized (mPackages) { 6506 if (mAndroidApplication != null) { 6507 Slog.w(TAG, "*************************************************"); 6508 Slog.w(TAG, "Core android package being redefined. Skipping."); 6509 Slog.w(TAG, " file=" + scanFile); 6510 Slog.w(TAG, "*************************************************"); 6511 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6512 "Core android package being redefined. Skipping."); 6513 } 6514 6515 // Set up information for our fall-back user intent resolution activity. 6516 mPlatformPackage = pkg; 6517 pkg.mVersionCode = mSdkVersion; 6518 mAndroidApplication = pkg.applicationInfo; 6519 6520 if (!mResolverReplaced) { 6521 mResolveActivity.applicationInfo = mAndroidApplication; 6522 mResolveActivity.name = ResolverActivity.class.getName(); 6523 mResolveActivity.packageName = mAndroidApplication.packageName; 6524 mResolveActivity.processName = "system:ui"; 6525 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6526 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6527 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6528 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6529 mResolveActivity.exported = true; 6530 mResolveActivity.enabled = true; 6531 mResolveInfo.activityInfo = mResolveActivity; 6532 mResolveInfo.priority = 0; 6533 mResolveInfo.preferredOrder = 0; 6534 mResolveInfo.match = 0; 6535 mResolveComponentName = new ComponentName( 6536 mAndroidApplication.packageName, mResolveActivity.name); 6537 } 6538 } 6539 } 6540 6541 if (DEBUG_PACKAGE_SCANNING) { 6542 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6543 Log.d(TAG, "Scanning package " + pkg.packageName); 6544 } 6545 6546 if (mPackages.containsKey(pkg.packageName) 6547 || mSharedLibraries.containsKey(pkg.packageName)) { 6548 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6549 "Application package " + pkg.packageName 6550 + " already installed. Skipping duplicate."); 6551 } 6552 6553 // If we're only installing presumed-existing packages, require that the 6554 // scanned APK is both already known and at the path previously established 6555 // for it. Previously unknown packages we pick up normally, but if we have an 6556 // a priori expectation about this package's install presence, enforce it. 6557 // With a singular exception for new system packages. When an OTA contains 6558 // a new system package, we allow the codepath to change from a system location 6559 // to the user-installed location. If we don't allow this change, any newer, 6560 // user-installed version of the application will be ignored. 6561 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6562 if (mExpectingBetter.containsKey(pkg.packageName)) { 6563 logCriticalInfo(Log.WARN, 6564 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6565 } else { 6566 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6567 if (known != null) { 6568 if (DEBUG_PACKAGE_SCANNING) { 6569 Log.d(TAG, "Examining " + pkg.codePath 6570 + " and requiring known paths " + known.codePathString 6571 + " & " + known.resourcePathString); 6572 } 6573 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6574 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6575 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6576 "Application package " + pkg.packageName 6577 + " found at " + pkg.applicationInfo.getCodePath() 6578 + " but expected at " + known.codePathString + "; ignoring."); 6579 } 6580 } 6581 } 6582 } 6583 6584 // Initialize package source and resource directories 6585 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6586 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6587 6588 SharedUserSetting suid = null; 6589 PackageSetting pkgSetting = null; 6590 6591 if (!isSystemApp(pkg)) { 6592 // Only system apps can use these features. 6593 pkg.mOriginalPackages = null; 6594 pkg.mRealPackage = null; 6595 pkg.mAdoptPermissions = null; 6596 } 6597 6598 // writer 6599 synchronized (mPackages) { 6600 if (pkg.mSharedUserId != null) { 6601 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6602 if (suid == null) { 6603 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6604 "Creating application package " + pkg.packageName 6605 + " for shared user failed"); 6606 } 6607 if (DEBUG_PACKAGE_SCANNING) { 6608 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6609 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6610 + "): packages=" + suid.packages); 6611 } 6612 } 6613 6614 // Check if we are renaming from an original package name. 6615 PackageSetting origPackage = null; 6616 String realName = null; 6617 if (pkg.mOriginalPackages != null) { 6618 // This package may need to be renamed to a previously 6619 // installed name. Let's check on that... 6620 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6621 if (pkg.mOriginalPackages.contains(renamed)) { 6622 // This package had originally been installed as the 6623 // original name, and we have already taken care of 6624 // transitioning to the new one. Just update the new 6625 // one to continue using the old name. 6626 realName = pkg.mRealPackage; 6627 if (!pkg.packageName.equals(renamed)) { 6628 // Callers into this function may have already taken 6629 // care of renaming the package; only do it here if 6630 // it is not already done. 6631 pkg.setPackageName(renamed); 6632 } 6633 6634 } else { 6635 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6636 if ((origPackage = mSettings.peekPackageLPr( 6637 pkg.mOriginalPackages.get(i))) != null) { 6638 // We do have the package already installed under its 6639 // original name... should we use it? 6640 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6641 // New package is not compatible with original. 6642 origPackage = null; 6643 continue; 6644 } else if (origPackage.sharedUser != null) { 6645 // Make sure uid is compatible between packages. 6646 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6647 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6648 + " to " + pkg.packageName + ": old uid " 6649 + origPackage.sharedUser.name 6650 + " differs from " + pkg.mSharedUserId); 6651 origPackage = null; 6652 continue; 6653 } 6654 } else { 6655 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6656 + pkg.packageName + " to old name " + origPackage.name); 6657 } 6658 break; 6659 } 6660 } 6661 } 6662 } 6663 6664 if (mTransferedPackages.contains(pkg.packageName)) { 6665 Slog.w(TAG, "Package " + pkg.packageName 6666 + " was transferred to another, but its .apk remains"); 6667 } 6668 6669 // Just create the setting, don't add it yet. For already existing packages 6670 // the PkgSetting exists already and doesn't have to be created. 6671 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6672 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6673 pkg.applicationInfo.primaryCpuAbi, 6674 pkg.applicationInfo.secondaryCpuAbi, 6675 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6676 user, false); 6677 if (pkgSetting == null) { 6678 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6679 "Creating application package " + pkg.packageName + " failed"); 6680 } 6681 6682 if (pkgSetting.origPackage != null) { 6683 // If we are first transitioning from an original package, 6684 // fix up the new package's name now. We need to do this after 6685 // looking up the package under its new name, so getPackageLP 6686 // can take care of fiddling things correctly. 6687 pkg.setPackageName(origPackage.name); 6688 6689 // File a report about this. 6690 String msg = "New package " + pkgSetting.realName 6691 + " renamed to replace old package " + pkgSetting.name; 6692 reportSettingsProblem(Log.WARN, msg); 6693 6694 // Make a note of it. 6695 mTransferedPackages.add(origPackage.name); 6696 6697 // No longer need to retain this. 6698 pkgSetting.origPackage = null; 6699 } 6700 6701 if (realName != null) { 6702 // Make a note of it. 6703 mTransferedPackages.add(pkg.packageName); 6704 } 6705 6706 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6707 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6708 } 6709 6710 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6711 // Check all shared libraries and map to their actual file path. 6712 // We only do this here for apps not on a system dir, because those 6713 // are the only ones that can fail an install due to this. We 6714 // will take care of the system apps by updating all of their 6715 // library paths after the scan is done. 6716 updateSharedLibrariesLPw(pkg, null); 6717 } 6718 6719 if (mFoundPolicyFile) { 6720 SELinuxMMAC.assignSeinfoValue(pkg); 6721 } 6722 6723 pkg.applicationInfo.uid = pkgSetting.appId; 6724 pkg.mExtras = pkgSetting; 6725 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6726 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6727 // We just determined the app is signed correctly, so bring 6728 // over the latest parsed certs. 6729 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6730 } else { 6731 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6732 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6733 "Package " + pkg.packageName + " upgrade keys do not match the " 6734 + "previously installed version"); 6735 } else { 6736 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6737 String msg = "System package " + pkg.packageName 6738 + " signature changed; retaining data."; 6739 reportSettingsProblem(Log.WARN, msg); 6740 } 6741 } 6742 } else { 6743 try { 6744 verifySignaturesLP(pkgSetting, pkg); 6745 // We just determined the app is signed correctly, so bring 6746 // over the latest parsed certs. 6747 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6748 } catch (PackageManagerException e) { 6749 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6750 throw e; 6751 } 6752 // The signature has changed, but this package is in the system 6753 // image... let's recover! 6754 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6755 // However... if this package is part of a shared user, but it 6756 // doesn't match the signature of the shared user, let's fail. 6757 // What this means is that you can't change the signatures 6758 // associated with an overall shared user, which doesn't seem all 6759 // that unreasonable. 6760 if (pkgSetting.sharedUser != null) { 6761 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6762 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6763 throw new PackageManagerException( 6764 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6765 "Signature mismatch for shared user : " 6766 + pkgSetting.sharedUser); 6767 } 6768 } 6769 // File a report about this. 6770 String msg = "System package " + pkg.packageName 6771 + " signature changed; retaining data."; 6772 reportSettingsProblem(Log.WARN, msg); 6773 } 6774 } 6775 // Verify that this new package doesn't have any content providers 6776 // that conflict with existing packages. Only do this if the 6777 // package isn't already installed, since we don't want to break 6778 // things that are installed. 6779 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6780 final int N = pkg.providers.size(); 6781 int i; 6782 for (i=0; i<N; i++) { 6783 PackageParser.Provider p = pkg.providers.get(i); 6784 if (p.info.authority != null) { 6785 String names[] = p.info.authority.split(";"); 6786 for (int j = 0; j < names.length; j++) { 6787 if (mProvidersByAuthority.containsKey(names[j])) { 6788 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6789 final String otherPackageName = 6790 ((other != null && other.getComponentName() != null) ? 6791 other.getComponentName().getPackageName() : "?"); 6792 throw new PackageManagerException( 6793 INSTALL_FAILED_CONFLICTING_PROVIDER, 6794 "Can't install because provider name " + names[j] 6795 + " (in package " + pkg.applicationInfo.packageName 6796 + ") is already used by " + otherPackageName); 6797 } 6798 } 6799 } 6800 } 6801 } 6802 6803 if (pkg.mAdoptPermissions != null) { 6804 // This package wants to adopt ownership of permissions from 6805 // another package. 6806 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6807 final String origName = pkg.mAdoptPermissions.get(i); 6808 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6809 if (orig != null) { 6810 if (verifyPackageUpdateLPr(orig, pkg)) { 6811 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6812 + pkg.packageName); 6813 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6814 } 6815 } 6816 } 6817 } 6818 } 6819 6820 final String pkgName = pkg.packageName; 6821 6822 final long scanFileTime = scanFile.lastModified(); 6823 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6824 pkg.applicationInfo.processName = fixProcessName( 6825 pkg.applicationInfo.packageName, 6826 pkg.applicationInfo.processName, 6827 pkg.applicationInfo.uid); 6828 6829 File dataPath; 6830 if (mPlatformPackage == pkg) { 6831 // The system package is special. 6832 dataPath = new File(Environment.getDataDirectory(), "system"); 6833 6834 pkg.applicationInfo.dataDir = dataPath.getPath(); 6835 6836 } else { 6837 // This is a normal package, need to make its data directory. 6838 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6839 UserHandle.USER_OWNER, pkg.packageName); 6840 6841 boolean uidError = false; 6842 if (dataPath.exists()) { 6843 int currentUid = 0; 6844 try { 6845 StructStat stat = Os.stat(dataPath.getPath()); 6846 currentUid = stat.st_uid; 6847 } catch (ErrnoException e) { 6848 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6849 } 6850 6851 // If we have mismatched owners for the data path, we have a problem. 6852 if (currentUid != pkg.applicationInfo.uid) { 6853 boolean recovered = false; 6854 if (currentUid == 0) { 6855 // The directory somehow became owned by root. Wow. 6856 // This is probably because the system was stopped while 6857 // installd was in the middle of messing with its libs 6858 // directory. Ask installd to fix that. 6859 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6860 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6861 if (ret >= 0) { 6862 recovered = true; 6863 String msg = "Package " + pkg.packageName 6864 + " unexpectedly changed to uid 0; recovered to " + 6865 + pkg.applicationInfo.uid; 6866 reportSettingsProblem(Log.WARN, msg); 6867 } 6868 } 6869 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6870 || (scanFlags&SCAN_BOOTING) != 0)) { 6871 // If this is a system app, we can at least delete its 6872 // current data so the application will still work. 6873 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6874 if (ret >= 0) { 6875 // TODO: Kill the processes first 6876 // Old data gone! 6877 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6878 ? "System package " : "Third party package "; 6879 String msg = prefix + pkg.packageName 6880 + " has changed from uid: " 6881 + currentUid + " to " 6882 + pkg.applicationInfo.uid + "; old data erased"; 6883 reportSettingsProblem(Log.WARN, msg); 6884 recovered = true; 6885 6886 // And now re-install the app. 6887 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6888 pkg.applicationInfo.seinfo); 6889 if (ret == -1) { 6890 // Ack should not happen! 6891 msg = prefix + pkg.packageName 6892 + " could not have data directory re-created after delete."; 6893 reportSettingsProblem(Log.WARN, msg); 6894 throw new PackageManagerException( 6895 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6896 } 6897 } 6898 if (!recovered) { 6899 mHasSystemUidErrors = true; 6900 } 6901 } else if (!recovered) { 6902 // If we allow this install to proceed, we will be broken. 6903 // Abort, abort! 6904 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6905 "scanPackageLI"); 6906 } 6907 if (!recovered) { 6908 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6909 + pkg.applicationInfo.uid + "/fs_" 6910 + currentUid; 6911 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6912 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6913 String msg = "Package " + pkg.packageName 6914 + " has mismatched uid: " 6915 + currentUid + " on disk, " 6916 + pkg.applicationInfo.uid + " in settings"; 6917 // writer 6918 synchronized (mPackages) { 6919 mSettings.mReadMessages.append(msg); 6920 mSettings.mReadMessages.append('\n'); 6921 uidError = true; 6922 if (!pkgSetting.uidError) { 6923 reportSettingsProblem(Log.ERROR, msg); 6924 } 6925 } 6926 } 6927 } 6928 pkg.applicationInfo.dataDir = dataPath.getPath(); 6929 if (mShouldRestoreconData) { 6930 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6931 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6932 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6933 } 6934 } else { 6935 if (DEBUG_PACKAGE_SCANNING) { 6936 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6937 Log.v(TAG, "Want this data dir: " + dataPath); 6938 } 6939 //invoke installer to do the actual installation 6940 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6941 pkg.applicationInfo.seinfo); 6942 if (ret < 0) { 6943 // Error from installer 6944 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6945 "Unable to create data dirs [errorCode=" + ret + "]"); 6946 } 6947 6948 if (dataPath.exists()) { 6949 pkg.applicationInfo.dataDir = dataPath.getPath(); 6950 } else { 6951 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6952 pkg.applicationInfo.dataDir = null; 6953 } 6954 } 6955 6956 pkgSetting.uidError = uidError; 6957 } 6958 6959 final String path = scanFile.getPath(); 6960 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6961 6962 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6963 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6964 6965 // Some system apps still use directory structure for native libraries 6966 // in which case we might end up not detecting abi solely based on apk 6967 // structure. Try to detect abi based on directory structure. 6968 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6969 pkg.applicationInfo.primaryCpuAbi == null) { 6970 setBundledAppAbisAndRoots(pkg, pkgSetting); 6971 setNativeLibraryPaths(pkg); 6972 } 6973 6974 } else { 6975 if ((scanFlags & SCAN_MOVE) != 0) { 6976 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6977 // but we already have this packages package info in the PackageSetting. We just 6978 // use that and derive the native library path based on the new codepath. 6979 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6980 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6981 } 6982 6983 // Set native library paths again. For moves, the path will be updated based on the 6984 // ABIs we've determined above. For non-moves, the path will be updated based on the 6985 // ABIs we determined during compilation, but the path will depend on the final 6986 // package path (after the rename away from the stage path). 6987 setNativeLibraryPaths(pkg); 6988 } 6989 6990 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 6991 final int[] userIds = sUserManager.getUserIds(); 6992 synchronized (mInstallLock) { 6993 // Make sure all user data directories are ready to roll; we're okay 6994 // if they already exist 6995 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 6996 for (int userId : userIds) { 6997 if (userId != 0) { 6998 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 6999 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7000 pkg.applicationInfo.seinfo); 7001 } 7002 } 7003 } 7004 7005 // Create a native library symlink only if we have native libraries 7006 // and if the native libraries are 32 bit libraries. We do not provide 7007 // this symlink for 64 bit libraries. 7008 if (pkg.applicationInfo.primaryCpuAbi != null && 7009 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7010 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7011 for (int userId : userIds) { 7012 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7013 nativeLibPath, userId) < 0) { 7014 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7015 "Failed linking native library dir (user=" + userId + ")"); 7016 } 7017 } 7018 } 7019 } 7020 7021 // This is a special case for the "system" package, where the ABI is 7022 // dictated by the zygote configuration (and init.rc). We should keep track 7023 // of this ABI so that we can deal with "normal" applications that run under 7024 // the same UID correctly. 7025 if (mPlatformPackage == pkg) { 7026 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7027 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7028 } 7029 7030 // If there's a mismatch between the abi-override in the package setting 7031 // and the abiOverride specified for the install. Warn about this because we 7032 // would've already compiled the app without taking the package setting into 7033 // account. 7034 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7035 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7036 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7037 " for package: " + pkg.packageName); 7038 } 7039 } 7040 7041 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7042 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7043 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7044 7045 // Copy the derived override back to the parsed package, so that we can 7046 // update the package settings accordingly. 7047 pkg.cpuAbiOverride = cpuAbiOverride; 7048 7049 if (DEBUG_ABI_SELECTION) { 7050 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7051 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7052 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7053 } 7054 7055 // Push the derived path down into PackageSettings so we know what to 7056 // clean up at uninstall time. 7057 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7058 7059 if (DEBUG_ABI_SELECTION) { 7060 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7061 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7062 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7063 } 7064 7065 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7066 // We don't do this here during boot because we can do it all 7067 // at once after scanning all existing packages. 7068 // 7069 // We also do this *before* we perform dexopt on this package, so that 7070 // we can avoid redundant dexopts, and also to make sure we've got the 7071 // code and package path correct. 7072 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7073 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, true /* boot complete */); 7074 } 7075 7076 if ((scanFlags & SCAN_NO_DEX) == 0) { 7077 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7078 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */, 7079 (scanFlags & SCAN_BOOTING) == 0, false /*useJit*/); 7080 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7081 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7082 } 7083 } 7084 if (mFactoryTest && pkg.requestedPermissions.contains( 7085 android.Manifest.permission.FACTORY_TEST)) { 7086 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7087 } 7088 7089 ArrayList<PackageParser.Package> clientLibPkgs = null; 7090 7091 // writer 7092 synchronized (mPackages) { 7093 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7094 // Only system apps can add new shared libraries. 7095 if (pkg.libraryNames != null) { 7096 for (int i=0; i<pkg.libraryNames.size(); i++) { 7097 String name = pkg.libraryNames.get(i); 7098 boolean allowed = false; 7099 if (pkg.isUpdatedSystemApp()) { 7100 // New library entries can only be added through the 7101 // system image. This is important to get rid of a lot 7102 // of nasty edge cases: for example if we allowed a non- 7103 // system update of the app to add a library, then uninstalling 7104 // the update would make the library go away, and assumptions 7105 // we made such as through app install filtering would now 7106 // have allowed apps on the device which aren't compatible 7107 // with it. Better to just have the restriction here, be 7108 // conservative, and create many fewer cases that can negatively 7109 // impact the user experience. 7110 final PackageSetting sysPs = mSettings 7111 .getDisabledSystemPkgLPr(pkg.packageName); 7112 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7113 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7114 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7115 allowed = true; 7116 allowed = true; 7117 break; 7118 } 7119 } 7120 } 7121 } else { 7122 allowed = true; 7123 } 7124 if (allowed) { 7125 if (!mSharedLibraries.containsKey(name)) { 7126 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7127 } else if (!name.equals(pkg.packageName)) { 7128 Slog.w(TAG, "Package " + pkg.packageName + " library " 7129 + name + " already exists; skipping"); 7130 } 7131 } else { 7132 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7133 + name + " that is not declared on system image; skipping"); 7134 } 7135 } 7136 if ((scanFlags&SCAN_BOOTING) == 0) { 7137 // If we are not booting, we need to update any applications 7138 // that are clients of our shared library. If we are booting, 7139 // this will all be done once the scan is complete. 7140 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7141 } 7142 } 7143 } 7144 } 7145 7146 // We also need to dexopt any apps that are dependent on this library. Note that 7147 // if these fail, we should abort the install since installing the library will 7148 // result in some apps being broken. 7149 if (clientLibPkgs != null) { 7150 if ((scanFlags & SCAN_NO_DEX) == 0) { 7151 for (int i = 0; i < clientLibPkgs.size(); i++) { 7152 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7153 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7154 null /* instruction sets */, forceDex, 7155 (scanFlags & SCAN_DEFER_DEX) != 0, false, 7156 (scanFlags & SCAN_BOOTING) == 0, false /*useJit*/); 7157 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7158 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7159 "scanPackageLI failed to dexopt clientLibPkgs"); 7160 } 7161 } 7162 } 7163 } 7164 7165 // Request the ActivityManager to kill the process(only for existing packages) 7166 // so that we do not end up in a confused state while the user is still using the older 7167 // version of the application while the new one gets installed. 7168 if ((scanFlags & SCAN_REPLACING) != 0) { 7169 killApplication(pkg.applicationInfo.packageName, 7170 pkg.applicationInfo.uid, "replace pkg"); 7171 } 7172 7173 // Also need to kill any apps that are dependent on the library. 7174 if (clientLibPkgs != null) { 7175 for (int i=0; i<clientLibPkgs.size(); i++) { 7176 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7177 killApplication(clientPkg.applicationInfo.packageName, 7178 clientPkg.applicationInfo.uid, "update lib"); 7179 } 7180 } 7181 7182 // Make sure we're not adding any bogus keyset info 7183 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7184 ksms.assertScannedPackageValid(pkg); 7185 7186 // writer 7187 synchronized (mPackages) { 7188 // We don't expect installation to fail beyond this point 7189 7190 // Add the new setting to mSettings 7191 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7192 // Add the new setting to mPackages 7193 mPackages.put(pkg.applicationInfo.packageName, pkg); 7194 // Make sure we don't accidentally delete its data. 7195 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7196 while (iter.hasNext()) { 7197 PackageCleanItem item = iter.next(); 7198 if (pkgName.equals(item.packageName)) { 7199 iter.remove(); 7200 } 7201 } 7202 7203 // Take care of first install / last update times. 7204 if (currentTime != 0) { 7205 if (pkgSetting.firstInstallTime == 0) { 7206 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7207 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7208 pkgSetting.lastUpdateTime = currentTime; 7209 } 7210 } else if (pkgSetting.firstInstallTime == 0) { 7211 // We need *something*. Take time time stamp of the file. 7212 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7213 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7214 if (scanFileTime != pkgSetting.timeStamp) { 7215 // A package on the system image has changed; consider this 7216 // to be an update. 7217 pkgSetting.lastUpdateTime = scanFileTime; 7218 } 7219 } 7220 7221 // Add the package's KeySets to the global KeySetManagerService 7222 ksms.addScannedPackageLPw(pkg); 7223 7224 int N = pkg.providers.size(); 7225 StringBuilder r = null; 7226 int i; 7227 for (i=0; i<N; i++) { 7228 PackageParser.Provider p = pkg.providers.get(i); 7229 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7230 p.info.processName, pkg.applicationInfo.uid); 7231 mProviders.addProvider(p); 7232 p.syncable = p.info.isSyncable; 7233 if (p.info.authority != null) { 7234 String names[] = p.info.authority.split(";"); 7235 p.info.authority = null; 7236 for (int j = 0; j < names.length; j++) { 7237 if (j == 1 && p.syncable) { 7238 // We only want the first authority for a provider to possibly be 7239 // syncable, so if we already added this provider using a different 7240 // authority clear the syncable flag. We copy the provider before 7241 // changing it because the mProviders object contains a reference 7242 // to a provider that we don't want to change. 7243 // Only do this for the second authority since the resulting provider 7244 // object can be the same for all future authorities for this provider. 7245 p = new PackageParser.Provider(p); 7246 p.syncable = false; 7247 } 7248 if (!mProvidersByAuthority.containsKey(names[j])) { 7249 mProvidersByAuthority.put(names[j], p); 7250 if (p.info.authority == null) { 7251 p.info.authority = names[j]; 7252 } else { 7253 p.info.authority = p.info.authority + ";" + names[j]; 7254 } 7255 if (DEBUG_PACKAGE_SCANNING) { 7256 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7257 Log.d(TAG, "Registered content provider: " + names[j] 7258 + ", className = " + p.info.name + ", isSyncable = " 7259 + p.info.isSyncable); 7260 } 7261 } else { 7262 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7263 Slog.w(TAG, "Skipping provider name " + names[j] + 7264 " (in package " + pkg.applicationInfo.packageName + 7265 "): name already used by " 7266 + ((other != null && other.getComponentName() != null) 7267 ? other.getComponentName().getPackageName() : "?")); 7268 } 7269 } 7270 } 7271 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7272 if (r == null) { 7273 r = new StringBuilder(256); 7274 } else { 7275 r.append(' '); 7276 } 7277 r.append(p.info.name); 7278 } 7279 } 7280 if (r != null) { 7281 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7282 } 7283 7284 N = pkg.services.size(); 7285 r = null; 7286 for (i=0; i<N; i++) { 7287 PackageParser.Service s = pkg.services.get(i); 7288 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7289 s.info.processName, pkg.applicationInfo.uid); 7290 mServices.addService(s); 7291 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7292 if (r == null) { 7293 r = new StringBuilder(256); 7294 } else { 7295 r.append(' '); 7296 } 7297 r.append(s.info.name); 7298 } 7299 } 7300 if (r != null) { 7301 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7302 } 7303 7304 N = pkg.receivers.size(); 7305 r = null; 7306 for (i=0; i<N; i++) { 7307 PackageParser.Activity a = pkg.receivers.get(i); 7308 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7309 a.info.processName, pkg.applicationInfo.uid); 7310 mReceivers.addActivity(a, "receiver"); 7311 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7312 if (r == null) { 7313 r = new StringBuilder(256); 7314 } else { 7315 r.append(' '); 7316 } 7317 r.append(a.info.name); 7318 } 7319 } 7320 if (r != null) { 7321 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7322 } 7323 7324 N = pkg.activities.size(); 7325 r = null; 7326 for (i=0; i<N; i++) { 7327 PackageParser.Activity a = pkg.activities.get(i); 7328 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7329 a.info.processName, pkg.applicationInfo.uid); 7330 mActivities.addActivity(a, "activity"); 7331 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7332 if (r == null) { 7333 r = new StringBuilder(256); 7334 } else { 7335 r.append(' '); 7336 } 7337 r.append(a.info.name); 7338 } 7339 } 7340 if (r != null) { 7341 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7342 } 7343 7344 N = pkg.permissionGroups.size(); 7345 r = null; 7346 for (i=0; i<N; i++) { 7347 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7348 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7349 if (cur == null) { 7350 mPermissionGroups.put(pg.info.name, pg); 7351 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7352 if (r == null) { 7353 r = new StringBuilder(256); 7354 } else { 7355 r.append(' '); 7356 } 7357 r.append(pg.info.name); 7358 } 7359 } else { 7360 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7361 + pg.info.packageName + " ignored: original from " 7362 + cur.info.packageName); 7363 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7364 if (r == null) { 7365 r = new StringBuilder(256); 7366 } else { 7367 r.append(' '); 7368 } 7369 r.append("DUP:"); 7370 r.append(pg.info.name); 7371 } 7372 } 7373 } 7374 if (r != null) { 7375 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7376 } 7377 7378 N = pkg.permissions.size(); 7379 r = null; 7380 for (i=0; i<N; i++) { 7381 PackageParser.Permission p = pkg.permissions.get(i); 7382 7383 // Assume by default that we did not install this permission into the system. 7384 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7385 7386 // Now that permission groups have a special meaning, we ignore permission 7387 // groups for legacy apps to prevent unexpected behavior. In particular, 7388 // permissions for one app being granted to someone just becuase they happen 7389 // to be in a group defined by another app (before this had no implications). 7390 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7391 p.group = mPermissionGroups.get(p.info.group); 7392 // Warn for a permission in an unknown group. 7393 if (p.info.group != null && p.group == null) { 7394 Slog.w(TAG, "Permission " + p.info.name + " from package " 7395 + p.info.packageName + " in an unknown group " + p.info.group); 7396 } 7397 } 7398 7399 ArrayMap<String, BasePermission> permissionMap = 7400 p.tree ? mSettings.mPermissionTrees 7401 : mSettings.mPermissions; 7402 BasePermission bp = permissionMap.get(p.info.name); 7403 7404 // Allow system apps to redefine non-system permissions 7405 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7406 final boolean currentOwnerIsSystem = (bp.perm != null 7407 && isSystemApp(bp.perm.owner)); 7408 if (isSystemApp(p.owner)) { 7409 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7410 // It's a built-in permission and no owner, take ownership now 7411 bp.packageSetting = pkgSetting; 7412 bp.perm = p; 7413 bp.uid = pkg.applicationInfo.uid; 7414 bp.sourcePackage = p.info.packageName; 7415 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7416 } else if (!currentOwnerIsSystem) { 7417 String msg = "New decl " + p.owner + " of permission " 7418 + p.info.name + " is system; overriding " + bp.sourcePackage; 7419 reportSettingsProblem(Log.WARN, msg); 7420 bp = null; 7421 } 7422 } 7423 } 7424 7425 if (bp == null) { 7426 bp = new BasePermission(p.info.name, p.info.packageName, 7427 BasePermission.TYPE_NORMAL); 7428 permissionMap.put(p.info.name, bp); 7429 } 7430 7431 if (bp.perm == null) { 7432 if (bp.sourcePackage == null 7433 || bp.sourcePackage.equals(p.info.packageName)) { 7434 BasePermission tree = findPermissionTreeLP(p.info.name); 7435 if (tree == null 7436 || tree.sourcePackage.equals(p.info.packageName)) { 7437 bp.packageSetting = pkgSetting; 7438 bp.perm = p; 7439 bp.uid = pkg.applicationInfo.uid; 7440 bp.sourcePackage = p.info.packageName; 7441 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7442 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7443 if (r == null) { 7444 r = new StringBuilder(256); 7445 } else { 7446 r.append(' '); 7447 } 7448 r.append(p.info.name); 7449 } 7450 } else { 7451 Slog.w(TAG, "Permission " + p.info.name + " from package " 7452 + p.info.packageName + " ignored: base tree " 7453 + tree.name + " is from package " 7454 + tree.sourcePackage); 7455 } 7456 } else { 7457 Slog.w(TAG, "Permission " + p.info.name + " from package " 7458 + p.info.packageName + " ignored: original from " 7459 + bp.sourcePackage); 7460 } 7461 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7462 if (r == null) { 7463 r = new StringBuilder(256); 7464 } else { 7465 r.append(' '); 7466 } 7467 r.append("DUP:"); 7468 r.append(p.info.name); 7469 } 7470 if (bp.perm == p) { 7471 bp.protectionLevel = p.info.protectionLevel; 7472 } 7473 } 7474 7475 if (r != null) { 7476 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7477 } 7478 7479 N = pkg.instrumentation.size(); 7480 r = null; 7481 for (i=0; i<N; i++) { 7482 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7483 a.info.packageName = pkg.applicationInfo.packageName; 7484 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7485 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7486 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7487 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7488 a.info.dataDir = pkg.applicationInfo.dataDir; 7489 7490 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7491 // need other information about the application, like the ABI and what not ? 7492 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7493 mInstrumentation.put(a.getComponentName(), a); 7494 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7495 if (r == null) { 7496 r = new StringBuilder(256); 7497 } else { 7498 r.append(' '); 7499 } 7500 r.append(a.info.name); 7501 } 7502 } 7503 if (r != null) { 7504 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7505 } 7506 7507 if (pkg.protectedBroadcasts != null) { 7508 N = pkg.protectedBroadcasts.size(); 7509 for (i=0; i<N; i++) { 7510 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7511 } 7512 } 7513 7514 pkgSetting.setTimeStamp(scanFileTime); 7515 7516 // Create idmap files for pairs of (packages, overlay packages). 7517 // Note: "android", ie framework-res.apk, is handled by native layers. 7518 if (pkg.mOverlayTarget != null) { 7519 // This is an overlay package. 7520 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7521 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7522 mOverlays.put(pkg.mOverlayTarget, 7523 new ArrayMap<String, PackageParser.Package>()); 7524 } 7525 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7526 map.put(pkg.packageName, pkg); 7527 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7528 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7529 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7530 "scanPackageLI failed to createIdmap"); 7531 } 7532 } 7533 } else if (mOverlays.containsKey(pkg.packageName) && 7534 !pkg.packageName.equals("android")) { 7535 // This is a regular package, with one or more known overlay packages. 7536 createIdmapsForPackageLI(pkg); 7537 } 7538 } 7539 7540 return pkg; 7541 } 7542 7543 /** 7544 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7545 * is derived purely on the basis of the contents of {@code scanFile} and 7546 * {@code cpuAbiOverride}. 7547 * 7548 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7549 */ 7550 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7551 String cpuAbiOverride, boolean extractLibs) 7552 throws PackageManagerException { 7553 // TODO: We can probably be smarter about this stuff. For installed apps, 7554 // we can calculate this information at install time once and for all. For 7555 // system apps, we can probably assume that this information doesn't change 7556 // after the first boot scan. As things stand, we do lots of unnecessary work. 7557 7558 // Give ourselves some initial paths; we'll come back for another 7559 // pass once we've determined ABI below. 7560 setNativeLibraryPaths(pkg); 7561 7562 // We would never need to extract libs for forward-locked and external packages, 7563 // since the container service will do it for us. We shouldn't attempt to 7564 // extract libs from system app when it was not updated. 7565 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7566 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7567 extractLibs = false; 7568 } 7569 7570 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7571 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7572 7573 NativeLibraryHelper.Handle handle = null; 7574 try { 7575 handle = NativeLibraryHelper.Handle.create(scanFile); 7576 // TODO(multiArch): This can be null for apps that didn't go through the 7577 // usual installation process. We can calculate it again, like we 7578 // do during install time. 7579 // 7580 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7581 // unnecessary. 7582 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7583 7584 // Null out the abis so that they can be recalculated. 7585 pkg.applicationInfo.primaryCpuAbi = null; 7586 pkg.applicationInfo.secondaryCpuAbi = null; 7587 if (isMultiArch(pkg.applicationInfo)) { 7588 // Warn if we've set an abiOverride for multi-lib packages.. 7589 // By definition, we need to copy both 32 and 64 bit libraries for 7590 // such packages. 7591 if (pkg.cpuAbiOverride != null 7592 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7593 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7594 } 7595 7596 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7597 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7598 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7599 if (extractLibs) { 7600 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7601 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7602 useIsaSpecificSubdirs); 7603 } else { 7604 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7605 } 7606 } 7607 7608 maybeThrowExceptionForMultiArchCopy( 7609 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7610 7611 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7612 if (extractLibs) { 7613 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7614 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7615 useIsaSpecificSubdirs); 7616 } else { 7617 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7618 } 7619 } 7620 7621 maybeThrowExceptionForMultiArchCopy( 7622 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7623 7624 if (abi64 >= 0) { 7625 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7626 } 7627 7628 if (abi32 >= 0) { 7629 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7630 if (abi64 >= 0) { 7631 pkg.applicationInfo.secondaryCpuAbi = abi; 7632 } else { 7633 pkg.applicationInfo.primaryCpuAbi = abi; 7634 } 7635 } 7636 } else { 7637 String[] abiList = (cpuAbiOverride != null) ? 7638 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7639 7640 // Enable gross and lame hacks for apps that are built with old 7641 // SDK tools. We must scan their APKs for renderscript bitcode and 7642 // not launch them if it's present. Don't bother checking on devices 7643 // that don't have 64 bit support. 7644 boolean needsRenderScriptOverride = false; 7645 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7646 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7647 abiList = Build.SUPPORTED_32_BIT_ABIS; 7648 needsRenderScriptOverride = true; 7649 } 7650 7651 final int copyRet; 7652 if (extractLibs) { 7653 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7654 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7655 } else { 7656 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7657 } 7658 7659 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7660 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7661 "Error unpackaging native libs for app, errorCode=" + copyRet); 7662 } 7663 7664 if (copyRet >= 0) { 7665 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7666 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7667 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7668 } else if (needsRenderScriptOverride) { 7669 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7670 } 7671 } 7672 } catch (IOException ioe) { 7673 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7674 } finally { 7675 IoUtils.closeQuietly(handle); 7676 } 7677 7678 // Now that we've calculated the ABIs and determined if it's an internal app, 7679 // we will go ahead and populate the nativeLibraryPath. 7680 setNativeLibraryPaths(pkg); 7681 } 7682 7683 /** 7684 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7685 * i.e, so that all packages can be run inside a single process if required. 7686 * 7687 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7688 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7689 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7690 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7691 * updating a package that belongs to a shared user. 7692 * 7693 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7694 * adds unnecessary complexity. 7695 */ 7696 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7697 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt, 7698 boolean bootComplete) { 7699 String requiredInstructionSet = null; 7700 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7701 requiredInstructionSet = VMRuntime.getInstructionSet( 7702 scannedPackage.applicationInfo.primaryCpuAbi); 7703 } 7704 7705 PackageSetting requirer = null; 7706 for (PackageSetting ps : packagesForUser) { 7707 // If packagesForUser contains scannedPackage, we skip it. This will happen 7708 // when scannedPackage is an update of an existing package. Without this check, 7709 // we will never be able to change the ABI of any package belonging to a shared 7710 // user, even if it's compatible with other packages. 7711 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7712 if (ps.primaryCpuAbiString == null) { 7713 continue; 7714 } 7715 7716 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7717 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7718 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7719 // this but there's not much we can do. 7720 String errorMessage = "Instruction set mismatch, " 7721 + ((requirer == null) ? "[caller]" : requirer) 7722 + " requires " + requiredInstructionSet + " whereas " + ps 7723 + " requires " + instructionSet; 7724 Slog.w(TAG, errorMessage); 7725 } 7726 7727 if (requiredInstructionSet == null) { 7728 requiredInstructionSet = instructionSet; 7729 requirer = ps; 7730 } 7731 } 7732 } 7733 7734 if (requiredInstructionSet != null) { 7735 String adjustedAbi; 7736 if (requirer != null) { 7737 // requirer != null implies that either scannedPackage was null or that scannedPackage 7738 // did not require an ABI, in which case we have to adjust scannedPackage to match 7739 // the ABI of the set (which is the same as requirer's ABI) 7740 adjustedAbi = requirer.primaryCpuAbiString; 7741 if (scannedPackage != null) { 7742 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7743 } 7744 } else { 7745 // requirer == null implies that we're updating all ABIs in the set to 7746 // match scannedPackage. 7747 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7748 } 7749 7750 for (PackageSetting ps : packagesForUser) { 7751 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7752 if (ps.primaryCpuAbiString != null) { 7753 continue; 7754 } 7755 7756 ps.primaryCpuAbiString = adjustedAbi; 7757 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7758 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7759 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7760 7761 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7762 null /* instruction sets */, forceDexOpt, deferDexOpt, true, 7763 bootComplete, false /*useJit*/); 7764 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7765 ps.primaryCpuAbiString = null; 7766 ps.pkg.applicationInfo.primaryCpuAbi = null; 7767 return; 7768 } else { 7769 mInstaller.rmdex(ps.codePathString, 7770 getDexCodeInstructionSet(getPreferredInstructionSet())); 7771 } 7772 } 7773 } 7774 } 7775 } 7776 } 7777 7778 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7779 synchronized (mPackages) { 7780 mResolverReplaced = true; 7781 // Set up information for custom user intent resolution activity. 7782 mResolveActivity.applicationInfo = pkg.applicationInfo; 7783 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7784 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7785 mResolveActivity.processName = pkg.applicationInfo.packageName; 7786 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7787 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7788 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7789 mResolveActivity.theme = 0; 7790 mResolveActivity.exported = true; 7791 mResolveActivity.enabled = true; 7792 mResolveInfo.activityInfo = mResolveActivity; 7793 mResolveInfo.priority = 0; 7794 mResolveInfo.preferredOrder = 0; 7795 mResolveInfo.match = 0; 7796 mResolveComponentName = mCustomResolverComponentName; 7797 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7798 mResolveComponentName); 7799 } 7800 } 7801 7802 private static String calculateBundledApkRoot(final String codePathString) { 7803 final File codePath = new File(codePathString); 7804 final File codeRoot; 7805 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7806 codeRoot = Environment.getRootDirectory(); 7807 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7808 codeRoot = Environment.getOemDirectory(); 7809 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7810 codeRoot = Environment.getVendorDirectory(); 7811 } else { 7812 // Unrecognized code path; take its top real segment as the apk root: 7813 // e.g. /something/app/blah.apk => /something 7814 try { 7815 File f = codePath.getCanonicalFile(); 7816 File parent = f.getParentFile(); // non-null because codePath is a file 7817 File tmp; 7818 while ((tmp = parent.getParentFile()) != null) { 7819 f = parent; 7820 parent = tmp; 7821 } 7822 codeRoot = f; 7823 Slog.w(TAG, "Unrecognized code path " 7824 + codePath + " - using " + codeRoot); 7825 } catch (IOException e) { 7826 // Can't canonicalize the code path -- shenanigans? 7827 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7828 return Environment.getRootDirectory().getPath(); 7829 } 7830 } 7831 return codeRoot.getPath(); 7832 } 7833 7834 /** 7835 * Derive and set the location of native libraries for the given package, 7836 * which varies depending on where and how the package was installed. 7837 */ 7838 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7839 final ApplicationInfo info = pkg.applicationInfo; 7840 final String codePath = pkg.codePath; 7841 final File codeFile = new File(codePath); 7842 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7843 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 7844 7845 info.nativeLibraryRootDir = null; 7846 info.nativeLibraryRootRequiresIsa = false; 7847 info.nativeLibraryDir = null; 7848 info.secondaryNativeLibraryDir = null; 7849 7850 if (isApkFile(codeFile)) { 7851 // Monolithic install 7852 if (bundledApp) { 7853 // If "/system/lib64/apkname" exists, assume that is the per-package 7854 // native library directory to use; otherwise use "/system/lib/apkname". 7855 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7856 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7857 getPrimaryInstructionSet(info)); 7858 7859 // This is a bundled system app so choose the path based on the ABI. 7860 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7861 // is just the default path. 7862 final String apkName = deriveCodePathName(codePath); 7863 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7864 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7865 apkName).getAbsolutePath(); 7866 7867 if (info.secondaryCpuAbi != null) { 7868 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7869 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7870 secondaryLibDir, apkName).getAbsolutePath(); 7871 } 7872 } else if (asecApp) { 7873 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7874 .getAbsolutePath(); 7875 } else { 7876 final String apkName = deriveCodePathName(codePath); 7877 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7878 .getAbsolutePath(); 7879 } 7880 7881 info.nativeLibraryRootRequiresIsa = false; 7882 info.nativeLibraryDir = info.nativeLibraryRootDir; 7883 } else { 7884 // Cluster install 7885 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7886 info.nativeLibraryRootRequiresIsa = true; 7887 7888 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7889 getPrimaryInstructionSet(info)).getAbsolutePath(); 7890 7891 if (info.secondaryCpuAbi != null) { 7892 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7893 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7894 } 7895 } 7896 } 7897 7898 /** 7899 * Calculate the abis and roots for a bundled app. These can uniquely 7900 * be determined from the contents of the system partition, i.e whether 7901 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7902 * of this information, and instead assume that the system was built 7903 * sensibly. 7904 */ 7905 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7906 PackageSetting pkgSetting) { 7907 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7908 7909 // If "/system/lib64/apkname" exists, assume that is the per-package 7910 // native library directory to use; otherwise use "/system/lib/apkname". 7911 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7912 setBundledAppAbi(pkg, apkRoot, apkName); 7913 // pkgSetting might be null during rescan following uninstall of updates 7914 // to a bundled app, so accommodate that possibility. The settings in 7915 // that case will be established later from the parsed package. 7916 // 7917 // If the settings aren't null, sync them up with what we've just derived. 7918 // note that apkRoot isn't stored in the package settings. 7919 if (pkgSetting != null) { 7920 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7921 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7922 } 7923 } 7924 7925 /** 7926 * Deduces the ABI of a bundled app and sets the relevant fields on the 7927 * parsed pkg object. 7928 * 7929 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7930 * under which system libraries are installed. 7931 * @param apkName the name of the installed package. 7932 */ 7933 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7934 final File codeFile = new File(pkg.codePath); 7935 7936 final boolean has64BitLibs; 7937 final boolean has32BitLibs; 7938 if (isApkFile(codeFile)) { 7939 // Monolithic install 7940 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7941 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7942 } else { 7943 // Cluster install 7944 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7945 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7946 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7947 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7948 has64BitLibs = (new File(rootDir, isa)).exists(); 7949 } else { 7950 has64BitLibs = false; 7951 } 7952 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7953 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7954 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7955 has32BitLibs = (new File(rootDir, isa)).exists(); 7956 } else { 7957 has32BitLibs = false; 7958 } 7959 } 7960 7961 if (has64BitLibs && !has32BitLibs) { 7962 // The package has 64 bit libs, but not 32 bit libs. Its primary 7963 // ABI should be 64 bit. We can safely assume here that the bundled 7964 // native libraries correspond to the most preferred ABI in the list. 7965 7966 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7967 pkg.applicationInfo.secondaryCpuAbi = null; 7968 } else if (has32BitLibs && !has64BitLibs) { 7969 // The package has 32 bit libs but not 64 bit libs. Its primary 7970 // ABI should be 32 bit. 7971 7972 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7973 pkg.applicationInfo.secondaryCpuAbi = null; 7974 } else if (has32BitLibs && has64BitLibs) { 7975 // The application has both 64 and 32 bit bundled libraries. We check 7976 // here that the app declares multiArch support, and warn if it doesn't. 7977 // 7978 // We will be lenient here and record both ABIs. The primary will be the 7979 // ABI that's higher on the list, i.e, a device that's configured to prefer 7980 // 64 bit apps will see a 64 bit primary ABI, 7981 7982 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7983 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7984 } 7985 7986 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7987 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7988 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7989 } else { 7990 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7991 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7992 } 7993 } else { 7994 pkg.applicationInfo.primaryCpuAbi = null; 7995 pkg.applicationInfo.secondaryCpuAbi = null; 7996 } 7997 } 7998 7999 private void killApplication(String pkgName, int appId, String reason) { 8000 // Request the ActivityManager to kill the process(only for existing packages) 8001 // so that we do not end up in a confused state while the user is still using the older 8002 // version of the application while the new one gets installed. 8003 IActivityManager am = ActivityManagerNative.getDefault(); 8004 if (am != null) { 8005 try { 8006 am.killApplicationWithAppId(pkgName, appId, reason); 8007 } catch (RemoteException e) { 8008 } 8009 } 8010 } 8011 8012 void removePackageLI(PackageSetting ps, boolean chatty) { 8013 if (DEBUG_INSTALL) { 8014 if (chatty) 8015 Log.d(TAG, "Removing package " + ps.name); 8016 } 8017 8018 // writer 8019 synchronized (mPackages) { 8020 mPackages.remove(ps.name); 8021 final PackageParser.Package pkg = ps.pkg; 8022 if (pkg != null) { 8023 cleanPackageDataStructuresLILPw(pkg, chatty); 8024 } 8025 } 8026 } 8027 8028 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8029 if (DEBUG_INSTALL) { 8030 if (chatty) 8031 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8032 } 8033 8034 // writer 8035 synchronized (mPackages) { 8036 mPackages.remove(pkg.applicationInfo.packageName); 8037 cleanPackageDataStructuresLILPw(pkg, chatty); 8038 } 8039 } 8040 8041 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8042 int N = pkg.providers.size(); 8043 StringBuilder r = null; 8044 int i; 8045 for (i=0; i<N; i++) { 8046 PackageParser.Provider p = pkg.providers.get(i); 8047 mProviders.removeProvider(p); 8048 if (p.info.authority == null) { 8049 8050 /* There was another ContentProvider with this authority when 8051 * this app was installed so this authority is null, 8052 * Ignore it as we don't have to unregister the provider. 8053 */ 8054 continue; 8055 } 8056 String names[] = p.info.authority.split(";"); 8057 for (int j = 0; j < names.length; j++) { 8058 if (mProvidersByAuthority.get(names[j]) == p) { 8059 mProvidersByAuthority.remove(names[j]); 8060 if (DEBUG_REMOVE) { 8061 if (chatty) 8062 Log.d(TAG, "Unregistered content provider: " + names[j] 8063 + ", className = " + p.info.name + ", isSyncable = " 8064 + p.info.isSyncable); 8065 } 8066 } 8067 } 8068 if (DEBUG_REMOVE && chatty) { 8069 if (r == null) { 8070 r = new StringBuilder(256); 8071 } else { 8072 r.append(' '); 8073 } 8074 r.append(p.info.name); 8075 } 8076 } 8077 if (r != null) { 8078 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8079 } 8080 8081 N = pkg.services.size(); 8082 r = null; 8083 for (i=0; i<N; i++) { 8084 PackageParser.Service s = pkg.services.get(i); 8085 mServices.removeService(s); 8086 if (chatty) { 8087 if (r == null) { 8088 r = new StringBuilder(256); 8089 } else { 8090 r.append(' '); 8091 } 8092 r.append(s.info.name); 8093 } 8094 } 8095 if (r != null) { 8096 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8097 } 8098 8099 N = pkg.receivers.size(); 8100 r = null; 8101 for (i=0; i<N; i++) { 8102 PackageParser.Activity a = pkg.receivers.get(i); 8103 mReceivers.removeActivity(a, "receiver"); 8104 if (DEBUG_REMOVE && chatty) { 8105 if (r == null) { 8106 r = new StringBuilder(256); 8107 } else { 8108 r.append(' '); 8109 } 8110 r.append(a.info.name); 8111 } 8112 } 8113 if (r != null) { 8114 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8115 } 8116 8117 N = pkg.activities.size(); 8118 r = null; 8119 for (i=0; i<N; i++) { 8120 PackageParser.Activity a = pkg.activities.get(i); 8121 mActivities.removeActivity(a, "activity"); 8122 if (DEBUG_REMOVE && chatty) { 8123 if (r == null) { 8124 r = new StringBuilder(256); 8125 } else { 8126 r.append(' '); 8127 } 8128 r.append(a.info.name); 8129 } 8130 } 8131 if (r != null) { 8132 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8133 } 8134 8135 N = pkg.permissions.size(); 8136 r = null; 8137 for (i=0; i<N; i++) { 8138 PackageParser.Permission p = pkg.permissions.get(i); 8139 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8140 if (bp == null) { 8141 bp = mSettings.mPermissionTrees.get(p.info.name); 8142 } 8143 if (bp != null && bp.perm == p) { 8144 bp.perm = null; 8145 if (DEBUG_REMOVE && chatty) { 8146 if (r == null) { 8147 r = new StringBuilder(256); 8148 } else { 8149 r.append(' '); 8150 } 8151 r.append(p.info.name); 8152 } 8153 } 8154 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8155 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8156 if (appOpPerms != null) { 8157 appOpPerms.remove(pkg.packageName); 8158 } 8159 } 8160 } 8161 if (r != null) { 8162 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8163 } 8164 8165 N = pkg.requestedPermissions.size(); 8166 r = null; 8167 for (i=0; i<N; i++) { 8168 String perm = pkg.requestedPermissions.get(i); 8169 BasePermission bp = mSettings.mPermissions.get(perm); 8170 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8171 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8172 if (appOpPerms != null) { 8173 appOpPerms.remove(pkg.packageName); 8174 if (appOpPerms.isEmpty()) { 8175 mAppOpPermissionPackages.remove(perm); 8176 } 8177 } 8178 } 8179 } 8180 if (r != null) { 8181 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8182 } 8183 8184 N = pkg.instrumentation.size(); 8185 r = null; 8186 for (i=0; i<N; i++) { 8187 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8188 mInstrumentation.remove(a.getComponentName()); 8189 if (DEBUG_REMOVE && chatty) { 8190 if (r == null) { 8191 r = new StringBuilder(256); 8192 } else { 8193 r.append(' '); 8194 } 8195 r.append(a.info.name); 8196 } 8197 } 8198 if (r != null) { 8199 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8200 } 8201 8202 r = null; 8203 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8204 // Only system apps can hold shared libraries. 8205 if (pkg.libraryNames != null) { 8206 for (i=0; i<pkg.libraryNames.size(); i++) { 8207 String name = pkg.libraryNames.get(i); 8208 SharedLibraryEntry cur = mSharedLibraries.get(name); 8209 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8210 mSharedLibraries.remove(name); 8211 if (DEBUG_REMOVE && chatty) { 8212 if (r == null) { 8213 r = new StringBuilder(256); 8214 } else { 8215 r.append(' '); 8216 } 8217 r.append(name); 8218 } 8219 } 8220 } 8221 } 8222 } 8223 if (r != null) { 8224 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8225 } 8226 } 8227 8228 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8229 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8230 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8231 return true; 8232 } 8233 } 8234 return false; 8235 } 8236 8237 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8238 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8239 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8240 8241 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8242 int flags) { 8243 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8244 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8245 } 8246 8247 private void updatePermissionsLPw(String changingPkg, 8248 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8249 // Make sure there are no dangling permission trees. 8250 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8251 while (it.hasNext()) { 8252 final BasePermission bp = it.next(); 8253 if (bp.packageSetting == null) { 8254 // We may not yet have parsed the package, so just see if 8255 // we still know about its settings. 8256 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8257 } 8258 if (bp.packageSetting == null) { 8259 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8260 + " from package " + bp.sourcePackage); 8261 it.remove(); 8262 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8263 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8264 Slog.i(TAG, "Removing old permission tree: " + bp.name 8265 + " from package " + bp.sourcePackage); 8266 flags |= UPDATE_PERMISSIONS_ALL; 8267 it.remove(); 8268 } 8269 } 8270 } 8271 8272 // Make sure all dynamic permissions have been assigned to a package, 8273 // and make sure there are no dangling permissions. 8274 it = mSettings.mPermissions.values().iterator(); 8275 while (it.hasNext()) { 8276 final BasePermission bp = it.next(); 8277 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8278 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8279 + bp.name + " pkg=" + bp.sourcePackage 8280 + " info=" + bp.pendingInfo); 8281 if (bp.packageSetting == null && bp.pendingInfo != null) { 8282 final BasePermission tree = findPermissionTreeLP(bp.name); 8283 if (tree != null && tree.perm != null) { 8284 bp.packageSetting = tree.packageSetting; 8285 bp.perm = new PackageParser.Permission(tree.perm.owner, 8286 new PermissionInfo(bp.pendingInfo)); 8287 bp.perm.info.packageName = tree.perm.info.packageName; 8288 bp.perm.info.name = bp.name; 8289 bp.uid = tree.uid; 8290 } 8291 } 8292 } 8293 if (bp.packageSetting == null) { 8294 // We may not yet have parsed the package, so just see if 8295 // we still know about its settings. 8296 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8297 } 8298 if (bp.packageSetting == null) { 8299 Slog.w(TAG, "Removing dangling permission: " + bp.name 8300 + " from package " + bp.sourcePackage); 8301 it.remove(); 8302 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8303 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8304 Slog.i(TAG, "Removing old permission: " + bp.name 8305 + " from package " + bp.sourcePackage); 8306 flags |= UPDATE_PERMISSIONS_ALL; 8307 it.remove(); 8308 } 8309 } 8310 } 8311 8312 // Now update the permissions for all packages, in particular 8313 // replace the granted permissions of the system packages. 8314 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8315 for (PackageParser.Package pkg : mPackages.values()) { 8316 if (pkg != pkgInfo) { 8317 // Only replace for packages on requested volume 8318 final String volumeUuid = getVolumeUuidForPackage(pkg); 8319 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8320 && Objects.equals(replaceVolumeUuid, volumeUuid); 8321 grantPermissionsLPw(pkg, replace, changingPkg); 8322 } 8323 } 8324 } 8325 8326 if (pkgInfo != null) { 8327 // Only replace for packages on requested volume 8328 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8329 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8330 && Objects.equals(replaceVolumeUuid, volumeUuid); 8331 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8332 } 8333 } 8334 8335 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8336 String packageOfInterest) { 8337 // IMPORTANT: There are two types of permissions: install and runtime. 8338 // Install time permissions are granted when the app is installed to 8339 // all device users and users added in the future. Runtime permissions 8340 // are granted at runtime explicitly to specific users. Normal and signature 8341 // protected permissions are install time permissions. Dangerous permissions 8342 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8343 // otherwise they are runtime permissions. This function does not manage 8344 // runtime permissions except for the case an app targeting Lollipop MR1 8345 // being upgraded to target a newer SDK, in which case dangerous permissions 8346 // are transformed from install time to runtime ones. 8347 8348 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8349 if (ps == null) { 8350 return; 8351 } 8352 8353 PermissionsState permissionsState = ps.getPermissionsState(); 8354 PermissionsState origPermissions = permissionsState; 8355 8356 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8357 8358 boolean runtimePermissionsRevoked = false; 8359 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8360 8361 boolean changedInstallPermission = false; 8362 8363 if (replace) { 8364 ps.installPermissionsFixed = false; 8365 if (!ps.isSharedUser()) { 8366 origPermissions = new PermissionsState(permissionsState); 8367 permissionsState.reset(); 8368 } else { 8369 // We need to know only about runtime permission changes since the 8370 // calling code always writes the install permissions state but 8371 // the runtime ones are written only if changed. The only cases of 8372 // changed runtime permissions here are promotion of an install to 8373 // runtime and revocation of a runtime from a shared user. 8374 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8375 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8376 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8377 runtimePermissionsRevoked = true; 8378 } 8379 } 8380 } 8381 8382 permissionsState.setGlobalGids(mGlobalGids); 8383 8384 final int N = pkg.requestedPermissions.size(); 8385 for (int i=0; i<N; i++) { 8386 final String name = pkg.requestedPermissions.get(i); 8387 final BasePermission bp = mSettings.mPermissions.get(name); 8388 8389 if (DEBUG_INSTALL) { 8390 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8391 } 8392 8393 if (bp == null || bp.packageSetting == null) { 8394 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8395 Slog.w(TAG, "Unknown permission " + name 8396 + " in package " + pkg.packageName); 8397 } 8398 continue; 8399 } 8400 8401 final String perm = bp.name; 8402 boolean allowedSig = false; 8403 int grant = GRANT_DENIED; 8404 8405 // Keep track of app op permissions. 8406 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8407 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8408 if (pkgs == null) { 8409 pkgs = new ArraySet<>(); 8410 mAppOpPermissionPackages.put(bp.name, pkgs); 8411 } 8412 pkgs.add(pkg.packageName); 8413 } 8414 8415 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8416 switch (level) { 8417 case PermissionInfo.PROTECTION_NORMAL: { 8418 // For all apps normal permissions are install time ones. 8419 grant = GRANT_INSTALL; 8420 } break; 8421 8422 case PermissionInfo.PROTECTION_DANGEROUS: { 8423 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8424 // For legacy apps dangerous permissions are install time ones. 8425 grant = GRANT_INSTALL_LEGACY; 8426 } else if (origPermissions.hasInstallPermission(bp.name)) { 8427 // For legacy apps that became modern, install becomes runtime. 8428 grant = GRANT_UPGRADE; 8429 } else if (mPromoteSystemApps 8430 && isSystemApp(ps) 8431 && mExistingSystemPackages.contains(ps.name)) { 8432 // For legacy system apps, install becomes runtime. 8433 // We cannot check hasInstallPermission() for system apps since those 8434 // permissions were granted implicitly and not persisted pre-M. 8435 grant = GRANT_UPGRADE; 8436 } else { 8437 // For modern apps keep runtime permissions unchanged. 8438 grant = GRANT_RUNTIME; 8439 } 8440 } break; 8441 8442 case PermissionInfo.PROTECTION_SIGNATURE: { 8443 // For all apps signature permissions are install time ones. 8444 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8445 if (allowedSig) { 8446 grant = GRANT_INSTALL; 8447 } 8448 } break; 8449 } 8450 8451 if (DEBUG_INSTALL) { 8452 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8453 } 8454 8455 if (grant != GRANT_DENIED) { 8456 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8457 // If this is an existing, non-system package, then 8458 // we can't add any new permissions to it. 8459 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8460 // Except... if this is a permission that was added 8461 // to the platform (note: need to only do this when 8462 // updating the platform). 8463 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8464 grant = GRANT_DENIED; 8465 } 8466 } 8467 } 8468 8469 switch (grant) { 8470 case GRANT_INSTALL: { 8471 // Revoke this as runtime permission to handle the case of 8472 // a runtime permission being downgraded to an install one. 8473 for (int userId : UserManagerService.getInstance().getUserIds()) { 8474 if (origPermissions.getRuntimePermissionState( 8475 bp.name, userId) != null) { 8476 // Revoke the runtime permission and clear the flags. 8477 origPermissions.revokeRuntimePermission(bp, userId); 8478 origPermissions.updatePermissionFlags(bp, userId, 8479 PackageManager.MASK_PERMISSION_FLAGS, 0); 8480 // If we revoked a permission permission, we have to write. 8481 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8482 changedRuntimePermissionUserIds, userId); 8483 } 8484 } 8485 // Grant an install permission. 8486 if (permissionsState.grantInstallPermission(bp) != 8487 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8488 changedInstallPermission = true; 8489 } 8490 } break; 8491 8492 case GRANT_INSTALL_LEGACY: { 8493 // Grant an install permission. 8494 if (permissionsState.grantInstallPermission(bp) != 8495 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8496 changedInstallPermission = true; 8497 } 8498 } break; 8499 8500 case GRANT_RUNTIME: { 8501 // Grant previously granted runtime permissions. 8502 for (int userId : UserManagerService.getInstance().getUserIds()) { 8503 PermissionState permissionState = origPermissions 8504 .getRuntimePermissionState(bp.name, userId); 8505 final int flags = permissionState != null 8506 ? permissionState.getFlags() : 0; 8507 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8508 if (permissionsState.grantRuntimePermission(bp, userId) == 8509 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8510 // If we cannot put the permission as it was, we have to write. 8511 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8512 changedRuntimePermissionUserIds, userId); 8513 } 8514 } 8515 // Propagate the permission flags. 8516 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8517 } 8518 } break; 8519 8520 case GRANT_UPGRADE: { 8521 // Grant runtime permissions for a previously held install permission. 8522 PermissionState permissionState = origPermissions 8523 .getInstallPermissionState(bp.name); 8524 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8525 8526 if (origPermissions.revokeInstallPermission(bp) 8527 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8528 // We will be transferring the permission flags, so clear them. 8529 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8530 PackageManager.MASK_PERMISSION_FLAGS, 0); 8531 changedInstallPermission = true; 8532 } 8533 8534 // If the permission is not to be promoted to runtime we ignore it and 8535 // also its other flags as they are not applicable to install permissions. 8536 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8537 for (int userId : currentUserIds) { 8538 if (permissionsState.grantRuntimePermission(bp, userId) != 8539 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8540 // Transfer the permission flags. 8541 permissionsState.updatePermissionFlags(bp, userId, 8542 flags, flags); 8543 // If we granted the permission, we have to write. 8544 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8545 changedRuntimePermissionUserIds, userId); 8546 } 8547 } 8548 } 8549 } break; 8550 8551 default: { 8552 if (packageOfInterest == null 8553 || packageOfInterest.equals(pkg.packageName)) { 8554 Slog.w(TAG, "Not granting permission " + perm 8555 + " to package " + pkg.packageName 8556 + " because it was previously installed without"); 8557 } 8558 } break; 8559 } 8560 } else { 8561 if (permissionsState.revokeInstallPermission(bp) != 8562 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8563 // Also drop the permission flags. 8564 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8565 PackageManager.MASK_PERMISSION_FLAGS, 0); 8566 changedInstallPermission = true; 8567 Slog.i(TAG, "Un-granting permission " + perm 8568 + " from package " + pkg.packageName 8569 + " (protectionLevel=" + bp.protectionLevel 8570 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8571 + ")"); 8572 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8573 // Don't print warning for app op permissions, since it is fine for them 8574 // not to be granted, there is a UI for the user to decide. 8575 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8576 Slog.w(TAG, "Not granting permission " + perm 8577 + " to package " + pkg.packageName 8578 + " (protectionLevel=" + bp.protectionLevel 8579 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8580 + ")"); 8581 } 8582 } 8583 } 8584 } 8585 8586 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8587 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8588 // This is the first that we have heard about this package, so the 8589 // permissions we have now selected are fixed until explicitly 8590 // changed. 8591 ps.installPermissionsFixed = true; 8592 } 8593 8594 // Persist the runtime permissions state for users with changes. If permissions 8595 // were revoked because no app in the shared user declares them we have to 8596 // write synchronously to avoid losing runtime permissions state. 8597 for (int userId : changedRuntimePermissionUserIds) { 8598 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8599 } 8600 } 8601 8602 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8603 boolean allowed = false; 8604 final int NP = PackageParser.NEW_PERMISSIONS.length; 8605 for (int ip=0; ip<NP; ip++) { 8606 final PackageParser.NewPermissionInfo npi 8607 = PackageParser.NEW_PERMISSIONS[ip]; 8608 if (npi.name.equals(perm) 8609 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8610 allowed = true; 8611 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8612 + pkg.packageName); 8613 break; 8614 } 8615 } 8616 return allowed; 8617 } 8618 8619 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8620 BasePermission bp, PermissionsState origPermissions) { 8621 boolean allowed; 8622 allowed = (compareSignatures( 8623 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8624 == PackageManager.SIGNATURE_MATCH) 8625 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8626 == PackageManager.SIGNATURE_MATCH); 8627 if (!allowed && (bp.protectionLevel 8628 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8629 if (isSystemApp(pkg)) { 8630 // For updated system applications, a system permission 8631 // is granted only if it had been defined by the original application. 8632 if (pkg.isUpdatedSystemApp()) { 8633 final PackageSetting sysPs = mSettings 8634 .getDisabledSystemPkgLPr(pkg.packageName); 8635 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8636 // If the original was granted this permission, we take 8637 // that grant decision as read and propagate it to the 8638 // update. 8639 if (sysPs.isPrivileged()) { 8640 allowed = true; 8641 } 8642 } else { 8643 // The system apk may have been updated with an older 8644 // version of the one on the data partition, but which 8645 // granted a new system permission that it didn't have 8646 // before. In this case we do want to allow the app to 8647 // now get the new permission if the ancestral apk is 8648 // privileged to get it. 8649 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8650 for (int j=0; 8651 j<sysPs.pkg.requestedPermissions.size(); j++) { 8652 if (perm.equals( 8653 sysPs.pkg.requestedPermissions.get(j))) { 8654 allowed = true; 8655 break; 8656 } 8657 } 8658 } 8659 } 8660 } else { 8661 allowed = isPrivilegedApp(pkg); 8662 } 8663 } 8664 } 8665 if (!allowed) { 8666 if (!allowed && (bp.protectionLevel 8667 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8668 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8669 // If this was a previously normal/dangerous permission that got moved 8670 // to a system permission as part of the runtime permission redesign, then 8671 // we still want to blindly grant it to old apps. 8672 allowed = true; 8673 } 8674 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8675 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8676 // If this permission is to be granted to the system installer and 8677 // this app is an installer, then it gets the permission. 8678 allowed = true; 8679 } 8680 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8681 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8682 // If this permission is to be granted to the system verifier and 8683 // this app is a verifier, then it gets the permission. 8684 allowed = true; 8685 } 8686 if (!allowed && (bp.protectionLevel 8687 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8688 && isSystemApp(pkg)) { 8689 // Any pre-installed system app is allowed to get this permission. 8690 allowed = true; 8691 } 8692 if (!allowed && (bp.protectionLevel 8693 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8694 // For development permissions, a development permission 8695 // is granted only if it was already granted. 8696 allowed = origPermissions.hasInstallPermission(perm); 8697 } 8698 } 8699 return allowed; 8700 } 8701 8702 final class ActivityIntentResolver 8703 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8704 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8705 boolean defaultOnly, int userId) { 8706 if (!sUserManager.exists(userId)) return null; 8707 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8708 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8709 } 8710 8711 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8712 int userId) { 8713 if (!sUserManager.exists(userId)) return null; 8714 mFlags = flags; 8715 return super.queryIntent(intent, resolvedType, 8716 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8717 } 8718 8719 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8720 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8721 if (!sUserManager.exists(userId)) return null; 8722 if (packageActivities == null) { 8723 return null; 8724 } 8725 mFlags = flags; 8726 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8727 final int N = packageActivities.size(); 8728 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8729 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8730 8731 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8732 for (int i = 0; i < N; ++i) { 8733 intentFilters = packageActivities.get(i).intents; 8734 if (intentFilters != null && intentFilters.size() > 0) { 8735 PackageParser.ActivityIntentInfo[] array = 8736 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8737 intentFilters.toArray(array); 8738 listCut.add(array); 8739 } 8740 } 8741 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8742 } 8743 8744 public final void addActivity(PackageParser.Activity a, String type) { 8745 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8746 mActivities.put(a.getComponentName(), a); 8747 if (DEBUG_SHOW_INFO) 8748 Log.v( 8749 TAG, " " + type + " " + 8750 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8751 if (DEBUG_SHOW_INFO) 8752 Log.v(TAG, " Class=" + a.info.name); 8753 final int NI = a.intents.size(); 8754 for (int j=0; j<NI; j++) { 8755 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8756 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8757 intent.setPriority(0); 8758 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8759 + a.className + " with priority > 0, forcing to 0"); 8760 } 8761 if (DEBUG_SHOW_INFO) { 8762 Log.v(TAG, " IntentFilter:"); 8763 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8764 } 8765 if (!intent.debugCheck()) { 8766 Log.w(TAG, "==> For Activity " + a.info.name); 8767 } 8768 addFilter(intent); 8769 } 8770 } 8771 8772 public final void removeActivity(PackageParser.Activity a, String type) { 8773 mActivities.remove(a.getComponentName()); 8774 if (DEBUG_SHOW_INFO) { 8775 Log.v(TAG, " " + type + " " 8776 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8777 : a.info.name) + ":"); 8778 Log.v(TAG, " Class=" + a.info.name); 8779 } 8780 final int NI = a.intents.size(); 8781 for (int j=0; j<NI; j++) { 8782 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8783 if (DEBUG_SHOW_INFO) { 8784 Log.v(TAG, " IntentFilter:"); 8785 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8786 } 8787 removeFilter(intent); 8788 } 8789 } 8790 8791 @Override 8792 protected boolean allowFilterResult( 8793 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8794 ActivityInfo filterAi = filter.activity.info; 8795 for (int i=dest.size()-1; i>=0; i--) { 8796 ActivityInfo destAi = dest.get(i).activityInfo; 8797 if (destAi.name == filterAi.name 8798 && destAi.packageName == filterAi.packageName) { 8799 return false; 8800 } 8801 } 8802 return true; 8803 } 8804 8805 @Override 8806 protected ActivityIntentInfo[] newArray(int size) { 8807 return new ActivityIntentInfo[size]; 8808 } 8809 8810 @Override 8811 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8812 if (!sUserManager.exists(userId)) return true; 8813 PackageParser.Package p = filter.activity.owner; 8814 if (p != null) { 8815 PackageSetting ps = (PackageSetting)p.mExtras; 8816 if (ps != null) { 8817 // System apps are never considered stopped for purposes of 8818 // filtering, because there may be no way for the user to 8819 // actually re-launch them. 8820 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8821 && ps.getStopped(userId); 8822 } 8823 } 8824 return false; 8825 } 8826 8827 @Override 8828 protected boolean isPackageForFilter(String packageName, 8829 PackageParser.ActivityIntentInfo info) { 8830 return packageName.equals(info.activity.owner.packageName); 8831 } 8832 8833 @Override 8834 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8835 int match, int userId) { 8836 if (!sUserManager.exists(userId)) return null; 8837 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8838 return null; 8839 } 8840 final PackageParser.Activity activity = info.activity; 8841 if (mSafeMode && (activity.info.applicationInfo.flags 8842 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8843 return null; 8844 } 8845 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8846 if (ps == null) { 8847 return null; 8848 } 8849 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8850 ps.readUserState(userId), userId); 8851 if (ai == null) { 8852 return null; 8853 } 8854 final ResolveInfo res = new ResolveInfo(); 8855 res.activityInfo = ai; 8856 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8857 res.filter = info; 8858 } 8859 if (info != null) { 8860 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8861 } 8862 res.priority = info.getPriority(); 8863 res.preferredOrder = activity.owner.mPreferredOrder; 8864 //System.out.println("Result: " + res.activityInfo.className + 8865 // " = " + res.priority); 8866 res.match = match; 8867 res.isDefault = info.hasDefault; 8868 res.labelRes = info.labelRes; 8869 res.nonLocalizedLabel = info.nonLocalizedLabel; 8870 if (userNeedsBadging(userId)) { 8871 res.noResourceId = true; 8872 } else { 8873 res.icon = info.icon; 8874 } 8875 res.iconResourceId = info.icon; 8876 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8877 return res; 8878 } 8879 8880 @Override 8881 protected void sortResults(List<ResolveInfo> results) { 8882 Collections.sort(results, mResolvePrioritySorter); 8883 } 8884 8885 @Override 8886 protected void dumpFilter(PrintWriter out, String prefix, 8887 PackageParser.ActivityIntentInfo filter) { 8888 out.print(prefix); out.print( 8889 Integer.toHexString(System.identityHashCode(filter.activity))); 8890 out.print(' '); 8891 filter.activity.printComponentShortName(out); 8892 out.print(" filter "); 8893 out.println(Integer.toHexString(System.identityHashCode(filter))); 8894 } 8895 8896 @Override 8897 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8898 return filter.activity; 8899 } 8900 8901 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8902 PackageParser.Activity activity = (PackageParser.Activity)label; 8903 out.print(prefix); out.print( 8904 Integer.toHexString(System.identityHashCode(activity))); 8905 out.print(' '); 8906 activity.printComponentShortName(out); 8907 if (count > 1) { 8908 out.print(" ("); out.print(count); out.print(" filters)"); 8909 } 8910 out.println(); 8911 } 8912 8913// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8914// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8915// final List<ResolveInfo> retList = Lists.newArrayList(); 8916// while (i.hasNext()) { 8917// final ResolveInfo resolveInfo = i.next(); 8918// if (isEnabledLP(resolveInfo.activityInfo)) { 8919// retList.add(resolveInfo); 8920// } 8921// } 8922// return retList; 8923// } 8924 8925 // Keys are String (activity class name), values are Activity. 8926 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8927 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8928 private int mFlags; 8929 } 8930 8931 private final class ServiceIntentResolver 8932 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8933 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8934 boolean defaultOnly, int userId) { 8935 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8936 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8937 } 8938 8939 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8940 int userId) { 8941 if (!sUserManager.exists(userId)) return null; 8942 mFlags = flags; 8943 return super.queryIntent(intent, resolvedType, 8944 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8945 } 8946 8947 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8948 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8949 if (!sUserManager.exists(userId)) return null; 8950 if (packageServices == null) { 8951 return null; 8952 } 8953 mFlags = flags; 8954 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8955 final int N = packageServices.size(); 8956 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8957 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8958 8959 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8960 for (int i = 0; i < N; ++i) { 8961 intentFilters = packageServices.get(i).intents; 8962 if (intentFilters != null && intentFilters.size() > 0) { 8963 PackageParser.ServiceIntentInfo[] array = 8964 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8965 intentFilters.toArray(array); 8966 listCut.add(array); 8967 } 8968 } 8969 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8970 } 8971 8972 public final void addService(PackageParser.Service s) { 8973 mServices.put(s.getComponentName(), s); 8974 if (DEBUG_SHOW_INFO) { 8975 Log.v(TAG, " " 8976 + (s.info.nonLocalizedLabel != null 8977 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8978 Log.v(TAG, " Class=" + s.info.name); 8979 } 8980 final int NI = s.intents.size(); 8981 int j; 8982 for (j=0; j<NI; j++) { 8983 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8984 if (DEBUG_SHOW_INFO) { 8985 Log.v(TAG, " IntentFilter:"); 8986 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8987 } 8988 if (!intent.debugCheck()) { 8989 Log.w(TAG, "==> For Service " + s.info.name); 8990 } 8991 addFilter(intent); 8992 } 8993 } 8994 8995 public final void removeService(PackageParser.Service s) { 8996 mServices.remove(s.getComponentName()); 8997 if (DEBUG_SHOW_INFO) { 8998 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8999 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9000 Log.v(TAG, " Class=" + s.info.name); 9001 } 9002 final int NI = s.intents.size(); 9003 int j; 9004 for (j=0; j<NI; j++) { 9005 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9006 if (DEBUG_SHOW_INFO) { 9007 Log.v(TAG, " IntentFilter:"); 9008 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9009 } 9010 removeFilter(intent); 9011 } 9012 } 9013 9014 @Override 9015 protected boolean allowFilterResult( 9016 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9017 ServiceInfo filterSi = filter.service.info; 9018 for (int i=dest.size()-1; i>=0; i--) { 9019 ServiceInfo destAi = dest.get(i).serviceInfo; 9020 if (destAi.name == filterSi.name 9021 && destAi.packageName == filterSi.packageName) { 9022 return false; 9023 } 9024 } 9025 return true; 9026 } 9027 9028 @Override 9029 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9030 return new PackageParser.ServiceIntentInfo[size]; 9031 } 9032 9033 @Override 9034 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9035 if (!sUserManager.exists(userId)) return true; 9036 PackageParser.Package p = filter.service.owner; 9037 if (p != null) { 9038 PackageSetting ps = (PackageSetting)p.mExtras; 9039 if (ps != null) { 9040 // System apps are never considered stopped for purposes of 9041 // filtering, because there may be no way for the user to 9042 // actually re-launch them. 9043 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9044 && ps.getStopped(userId); 9045 } 9046 } 9047 return false; 9048 } 9049 9050 @Override 9051 protected boolean isPackageForFilter(String packageName, 9052 PackageParser.ServiceIntentInfo info) { 9053 return packageName.equals(info.service.owner.packageName); 9054 } 9055 9056 @Override 9057 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9058 int match, int userId) { 9059 if (!sUserManager.exists(userId)) return null; 9060 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9061 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9062 return null; 9063 } 9064 final PackageParser.Service service = info.service; 9065 if (mSafeMode && (service.info.applicationInfo.flags 9066 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9067 return null; 9068 } 9069 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9070 if (ps == null) { 9071 return null; 9072 } 9073 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9074 ps.readUserState(userId), userId); 9075 if (si == null) { 9076 return null; 9077 } 9078 final ResolveInfo res = new ResolveInfo(); 9079 res.serviceInfo = si; 9080 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9081 res.filter = filter; 9082 } 9083 res.priority = info.getPriority(); 9084 res.preferredOrder = service.owner.mPreferredOrder; 9085 res.match = match; 9086 res.isDefault = info.hasDefault; 9087 res.labelRes = info.labelRes; 9088 res.nonLocalizedLabel = info.nonLocalizedLabel; 9089 res.icon = info.icon; 9090 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9091 return res; 9092 } 9093 9094 @Override 9095 protected void sortResults(List<ResolveInfo> results) { 9096 Collections.sort(results, mResolvePrioritySorter); 9097 } 9098 9099 @Override 9100 protected void dumpFilter(PrintWriter out, String prefix, 9101 PackageParser.ServiceIntentInfo filter) { 9102 out.print(prefix); out.print( 9103 Integer.toHexString(System.identityHashCode(filter.service))); 9104 out.print(' '); 9105 filter.service.printComponentShortName(out); 9106 out.print(" filter "); 9107 out.println(Integer.toHexString(System.identityHashCode(filter))); 9108 } 9109 9110 @Override 9111 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9112 return filter.service; 9113 } 9114 9115 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9116 PackageParser.Service service = (PackageParser.Service)label; 9117 out.print(prefix); out.print( 9118 Integer.toHexString(System.identityHashCode(service))); 9119 out.print(' '); 9120 service.printComponentShortName(out); 9121 if (count > 1) { 9122 out.print(" ("); out.print(count); out.print(" filters)"); 9123 } 9124 out.println(); 9125 } 9126 9127// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9128// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9129// final List<ResolveInfo> retList = Lists.newArrayList(); 9130// while (i.hasNext()) { 9131// final ResolveInfo resolveInfo = (ResolveInfo) i; 9132// if (isEnabledLP(resolveInfo.serviceInfo)) { 9133// retList.add(resolveInfo); 9134// } 9135// } 9136// return retList; 9137// } 9138 9139 // Keys are String (activity class name), values are Activity. 9140 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9141 = new ArrayMap<ComponentName, PackageParser.Service>(); 9142 private int mFlags; 9143 }; 9144 9145 private final class ProviderIntentResolver 9146 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9147 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9148 boolean defaultOnly, int userId) { 9149 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9150 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9151 } 9152 9153 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9154 int userId) { 9155 if (!sUserManager.exists(userId)) 9156 return null; 9157 mFlags = flags; 9158 return super.queryIntent(intent, resolvedType, 9159 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9160 } 9161 9162 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9163 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9164 if (!sUserManager.exists(userId)) 9165 return null; 9166 if (packageProviders == null) { 9167 return null; 9168 } 9169 mFlags = flags; 9170 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9171 final int N = packageProviders.size(); 9172 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9173 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9174 9175 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9176 for (int i = 0; i < N; ++i) { 9177 intentFilters = packageProviders.get(i).intents; 9178 if (intentFilters != null && intentFilters.size() > 0) { 9179 PackageParser.ProviderIntentInfo[] array = 9180 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9181 intentFilters.toArray(array); 9182 listCut.add(array); 9183 } 9184 } 9185 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9186 } 9187 9188 public final void addProvider(PackageParser.Provider p) { 9189 if (mProviders.containsKey(p.getComponentName())) { 9190 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9191 return; 9192 } 9193 9194 mProviders.put(p.getComponentName(), p); 9195 if (DEBUG_SHOW_INFO) { 9196 Log.v(TAG, " " 9197 + (p.info.nonLocalizedLabel != null 9198 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9199 Log.v(TAG, " Class=" + p.info.name); 9200 } 9201 final int NI = p.intents.size(); 9202 int j; 9203 for (j = 0; j < NI; j++) { 9204 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9205 if (DEBUG_SHOW_INFO) { 9206 Log.v(TAG, " IntentFilter:"); 9207 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9208 } 9209 if (!intent.debugCheck()) { 9210 Log.w(TAG, "==> For Provider " + p.info.name); 9211 } 9212 addFilter(intent); 9213 } 9214 } 9215 9216 public final void removeProvider(PackageParser.Provider p) { 9217 mProviders.remove(p.getComponentName()); 9218 if (DEBUG_SHOW_INFO) { 9219 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9220 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9221 Log.v(TAG, " Class=" + p.info.name); 9222 } 9223 final int NI = p.intents.size(); 9224 int j; 9225 for (j = 0; j < NI; j++) { 9226 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9227 if (DEBUG_SHOW_INFO) { 9228 Log.v(TAG, " IntentFilter:"); 9229 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9230 } 9231 removeFilter(intent); 9232 } 9233 } 9234 9235 @Override 9236 protected boolean allowFilterResult( 9237 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9238 ProviderInfo filterPi = filter.provider.info; 9239 for (int i = dest.size() - 1; i >= 0; i--) { 9240 ProviderInfo destPi = dest.get(i).providerInfo; 9241 if (destPi.name == filterPi.name 9242 && destPi.packageName == filterPi.packageName) { 9243 return false; 9244 } 9245 } 9246 return true; 9247 } 9248 9249 @Override 9250 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9251 return new PackageParser.ProviderIntentInfo[size]; 9252 } 9253 9254 @Override 9255 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9256 if (!sUserManager.exists(userId)) 9257 return true; 9258 PackageParser.Package p = filter.provider.owner; 9259 if (p != null) { 9260 PackageSetting ps = (PackageSetting) p.mExtras; 9261 if (ps != null) { 9262 // System apps are never considered stopped for purposes of 9263 // filtering, because there may be no way for the user to 9264 // actually re-launch them. 9265 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9266 && ps.getStopped(userId); 9267 } 9268 } 9269 return false; 9270 } 9271 9272 @Override 9273 protected boolean isPackageForFilter(String packageName, 9274 PackageParser.ProviderIntentInfo info) { 9275 return packageName.equals(info.provider.owner.packageName); 9276 } 9277 9278 @Override 9279 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9280 int match, int userId) { 9281 if (!sUserManager.exists(userId)) 9282 return null; 9283 final PackageParser.ProviderIntentInfo info = filter; 9284 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9285 return null; 9286 } 9287 final PackageParser.Provider provider = info.provider; 9288 if (mSafeMode && (provider.info.applicationInfo.flags 9289 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9290 return null; 9291 } 9292 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9293 if (ps == null) { 9294 return null; 9295 } 9296 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9297 ps.readUserState(userId), userId); 9298 if (pi == null) { 9299 return null; 9300 } 9301 final ResolveInfo res = new ResolveInfo(); 9302 res.providerInfo = pi; 9303 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9304 res.filter = filter; 9305 } 9306 res.priority = info.getPriority(); 9307 res.preferredOrder = provider.owner.mPreferredOrder; 9308 res.match = match; 9309 res.isDefault = info.hasDefault; 9310 res.labelRes = info.labelRes; 9311 res.nonLocalizedLabel = info.nonLocalizedLabel; 9312 res.icon = info.icon; 9313 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9314 return res; 9315 } 9316 9317 @Override 9318 protected void sortResults(List<ResolveInfo> results) { 9319 Collections.sort(results, mResolvePrioritySorter); 9320 } 9321 9322 @Override 9323 protected void dumpFilter(PrintWriter out, String prefix, 9324 PackageParser.ProviderIntentInfo filter) { 9325 out.print(prefix); 9326 out.print( 9327 Integer.toHexString(System.identityHashCode(filter.provider))); 9328 out.print(' '); 9329 filter.provider.printComponentShortName(out); 9330 out.print(" filter "); 9331 out.println(Integer.toHexString(System.identityHashCode(filter))); 9332 } 9333 9334 @Override 9335 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9336 return filter.provider; 9337 } 9338 9339 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9340 PackageParser.Provider provider = (PackageParser.Provider)label; 9341 out.print(prefix); out.print( 9342 Integer.toHexString(System.identityHashCode(provider))); 9343 out.print(' '); 9344 provider.printComponentShortName(out); 9345 if (count > 1) { 9346 out.print(" ("); out.print(count); out.print(" filters)"); 9347 } 9348 out.println(); 9349 } 9350 9351 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9352 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9353 private int mFlags; 9354 }; 9355 9356 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9357 new Comparator<ResolveInfo>() { 9358 public int compare(ResolveInfo r1, ResolveInfo r2) { 9359 int v1 = r1.priority; 9360 int v2 = r2.priority; 9361 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9362 if (v1 != v2) { 9363 return (v1 > v2) ? -1 : 1; 9364 } 9365 v1 = r1.preferredOrder; 9366 v2 = r2.preferredOrder; 9367 if (v1 != v2) { 9368 return (v1 > v2) ? -1 : 1; 9369 } 9370 if (r1.isDefault != r2.isDefault) { 9371 return r1.isDefault ? -1 : 1; 9372 } 9373 v1 = r1.match; 9374 v2 = r2.match; 9375 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9376 if (v1 != v2) { 9377 return (v1 > v2) ? -1 : 1; 9378 } 9379 if (r1.system != r2.system) { 9380 return r1.system ? -1 : 1; 9381 } 9382 return 0; 9383 } 9384 }; 9385 9386 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9387 new Comparator<ProviderInfo>() { 9388 public int compare(ProviderInfo p1, ProviderInfo p2) { 9389 final int v1 = p1.initOrder; 9390 final int v2 = p2.initOrder; 9391 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9392 } 9393 }; 9394 9395 final void sendPackageBroadcast(final String action, final String pkg, 9396 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9397 final int[] userIds) { 9398 mHandler.post(new Runnable() { 9399 @Override 9400 public void run() { 9401 try { 9402 final IActivityManager am = ActivityManagerNative.getDefault(); 9403 if (am == null) return; 9404 final int[] resolvedUserIds; 9405 if (userIds == null) { 9406 resolvedUserIds = am.getRunningUserIds(); 9407 } else { 9408 resolvedUserIds = userIds; 9409 } 9410 for (int id : resolvedUserIds) { 9411 final Intent intent = new Intent(action, 9412 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9413 if (extras != null) { 9414 intent.putExtras(extras); 9415 } 9416 if (targetPkg != null) { 9417 intent.setPackage(targetPkg); 9418 } 9419 // Modify the UID when posting to other users 9420 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9421 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9422 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9423 intent.putExtra(Intent.EXTRA_UID, uid); 9424 } 9425 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9426 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9427 if (DEBUG_BROADCASTS) { 9428 RuntimeException here = new RuntimeException("here"); 9429 here.fillInStackTrace(); 9430 Slog.d(TAG, "Sending to user " + id + ": " 9431 + intent.toShortString(false, true, false, false) 9432 + " " + intent.getExtras(), here); 9433 } 9434 am.broadcastIntent(null, intent, null, finishedReceiver, 9435 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9436 null, finishedReceiver != null, false, id); 9437 } 9438 } catch (RemoteException ex) { 9439 } 9440 } 9441 }); 9442 } 9443 9444 /** 9445 * Check if the external storage media is available. This is true if there 9446 * is a mounted external storage medium or if the external storage is 9447 * emulated. 9448 */ 9449 private boolean isExternalMediaAvailable() { 9450 return mMediaMounted || Environment.isExternalStorageEmulated(); 9451 } 9452 9453 @Override 9454 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9455 // writer 9456 synchronized (mPackages) { 9457 if (!isExternalMediaAvailable()) { 9458 // If the external storage is no longer mounted at this point, 9459 // the caller may not have been able to delete all of this 9460 // packages files and can not delete any more. Bail. 9461 return null; 9462 } 9463 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9464 if (lastPackage != null) { 9465 pkgs.remove(lastPackage); 9466 } 9467 if (pkgs.size() > 0) { 9468 return pkgs.get(0); 9469 } 9470 } 9471 return null; 9472 } 9473 9474 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9475 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9476 userId, andCode ? 1 : 0, packageName); 9477 if (mSystemReady) { 9478 msg.sendToTarget(); 9479 } else { 9480 if (mPostSystemReadyMessages == null) { 9481 mPostSystemReadyMessages = new ArrayList<>(); 9482 } 9483 mPostSystemReadyMessages.add(msg); 9484 } 9485 } 9486 9487 void startCleaningPackages() { 9488 // reader 9489 synchronized (mPackages) { 9490 if (!isExternalMediaAvailable()) { 9491 return; 9492 } 9493 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9494 return; 9495 } 9496 } 9497 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9498 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9499 IActivityManager am = ActivityManagerNative.getDefault(); 9500 if (am != null) { 9501 try { 9502 am.startService(null, intent, null, mContext.getOpPackageName(), 9503 UserHandle.USER_OWNER); 9504 } catch (RemoteException e) { 9505 } 9506 } 9507 } 9508 9509 @Override 9510 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9511 int installFlags, String installerPackageName, VerificationParams verificationParams, 9512 String packageAbiOverride) { 9513 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9514 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9515 } 9516 9517 @Override 9518 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9519 int installFlags, String installerPackageName, VerificationParams verificationParams, 9520 String packageAbiOverride, int userId) { 9521 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9522 9523 final int callingUid = Binder.getCallingUid(); 9524 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9525 9526 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9527 try { 9528 if (observer != null) { 9529 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9530 } 9531 } catch (RemoteException re) { 9532 } 9533 return; 9534 } 9535 9536 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9537 installFlags |= PackageManager.INSTALL_FROM_ADB; 9538 9539 } else { 9540 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9541 // about installerPackageName. 9542 9543 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9544 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9545 } 9546 9547 UserHandle user; 9548 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9549 user = UserHandle.ALL; 9550 } else { 9551 user = new UserHandle(userId); 9552 } 9553 9554 // Only system components can circumvent runtime permissions when installing. 9555 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9556 && mContext.checkCallingOrSelfPermission(Manifest.permission 9557 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9558 throw new SecurityException("You need the " 9559 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9560 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9561 } 9562 9563 verificationParams.setInstallerUid(callingUid); 9564 9565 final File originFile = new File(originPath); 9566 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9567 9568 final Message msg = mHandler.obtainMessage(INIT_COPY); 9569 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9570 null, verificationParams, user, packageAbiOverride, null); 9571 mHandler.sendMessage(msg); 9572 } 9573 9574 void installStage(String packageName, File stagedDir, String stagedCid, 9575 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9576 String installerPackageName, int installerUid, UserHandle user) { 9577 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9578 params.referrerUri, installerUid, null); 9579 verifParams.setInstallerUid(installerUid); 9580 9581 final OriginInfo origin; 9582 if (stagedDir != null) { 9583 origin = OriginInfo.fromStagedFile(stagedDir); 9584 } else { 9585 origin = OriginInfo.fromStagedContainer(stagedCid); 9586 } 9587 9588 final Message msg = mHandler.obtainMessage(INIT_COPY); 9589 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9590 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride, 9591 params.grantedRuntimePermissions); 9592 mHandler.sendMessage(msg); 9593 } 9594 9595 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9596 Bundle extras = new Bundle(1); 9597 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9598 9599 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9600 packageName, extras, null, null, new int[] {userId}); 9601 try { 9602 IActivityManager am = ActivityManagerNative.getDefault(); 9603 final boolean isSystem = 9604 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9605 if (isSystem && am.isUserRunning(userId, false)) { 9606 // The just-installed/enabled app is bundled on the system, so presumed 9607 // to be able to run automatically without needing an explicit launch. 9608 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9609 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9610 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9611 .setPackage(packageName); 9612 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9613 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9614 } 9615 } catch (RemoteException e) { 9616 // shouldn't happen 9617 Slog.w(TAG, "Unable to bootstrap installed package", e); 9618 } 9619 } 9620 9621 @Override 9622 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9623 int userId) { 9624 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9625 PackageSetting pkgSetting; 9626 final int uid = Binder.getCallingUid(); 9627 enforceCrossUserPermission(uid, userId, true, true, 9628 "setApplicationHiddenSetting for user " + userId); 9629 9630 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9631 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9632 return false; 9633 } 9634 9635 long callingId = Binder.clearCallingIdentity(); 9636 try { 9637 boolean sendAdded = false; 9638 boolean sendRemoved = false; 9639 // writer 9640 synchronized (mPackages) { 9641 pkgSetting = mSettings.mPackages.get(packageName); 9642 if (pkgSetting == null) { 9643 return false; 9644 } 9645 if (pkgSetting.getHidden(userId) != hidden) { 9646 pkgSetting.setHidden(hidden, userId); 9647 mSettings.writePackageRestrictionsLPr(userId); 9648 if (hidden) { 9649 sendRemoved = true; 9650 } else { 9651 sendAdded = true; 9652 } 9653 } 9654 } 9655 if (sendAdded) { 9656 sendPackageAddedForUser(packageName, pkgSetting, userId); 9657 return true; 9658 } 9659 if (sendRemoved) { 9660 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9661 "hiding pkg"); 9662 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9663 return true; 9664 } 9665 } finally { 9666 Binder.restoreCallingIdentity(callingId); 9667 } 9668 return false; 9669 } 9670 9671 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9672 int userId) { 9673 final PackageRemovedInfo info = new PackageRemovedInfo(); 9674 info.removedPackage = packageName; 9675 info.removedUsers = new int[] {userId}; 9676 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9677 info.sendBroadcast(false, false, false); 9678 } 9679 9680 /** 9681 * Returns true if application is not found or there was an error. Otherwise it returns 9682 * the hidden state of the package for the given user. 9683 */ 9684 @Override 9685 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9687 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9688 false, "getApplicationHidden for user " + userId); 9689 PackageSetting pkgSetting; 9690 long callingId = Binder.clearCallingIdentity(); 9691 try { 9692 // writer 9693 synchronized (mPackages) { 9694 pkgSetting = mSettings.mPackages.get(packageName); 9695 if (pkgSetting == null) { 9696 return true; 9697 } 9698 return pkgSetting.getHidden(userId); 9699 } 9700 } finally { 9701 Binder.restoreCallingIdentity(callingId); 9702 } 9703 } 9704 9705 /** 9706 * @hide 9707 */ 9708 @Override 9709 public int installExistingPackageAsUser(String packageName, int userId) { 9710 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9711 null); 9712 PackageSetting pkgSetting; 9713 final int uid = Binder.getCallingUid(); 9714 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9715 + userId); 9716 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9717 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9718 } 9719 9720 long callingId = Binder.clearCallingIdentity(); 9721 try { 9722 boolean sendAdded = false; 9723 9724 // writer 9725 synchronized (mPackages) { 9726 pkgSetting = mSettings.mPackages.get(packageName); 9727 if (pkgSetting == null) { 9728 return PackageManager.INSTALL_FAILED_INVALID_URI; 9729 } 9730 if (!pkgSetting.getInstalled(userId)) { 9731 pkgSetting.setInstalled(true, userId); 9732 pkgSetting.setHidden(false, userId); 9733 mSettings.writePackageRestrictionsLPr(userId); 9734 sendAdded = true; 9735 } 9736 } 9737 9738 if (sendAdded) { 9739 sendPackageAddedForUser(packageName, pkgSetting, userId); 9740 } 9741 } finally { 9742 Binder.restoreCallingIdentity(callingId); 9743 } 9744 9745 return PackageManager.INSTALL_SUCCEEDED; 9746 } 9747 9748 boolean isUserRestricted(int userId, String restrictionKey) { 9749 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9750 if (restrictions.getBoolean(restrictionKey, false)) { 9751 Log.w(TAG, "User is restricted: " + restrictionKey); 9752 return true; 9753 } 9754 return false; 9755 } 9756 9757 @Override 9758 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9759 mContext.enforceCallingOrSelfPermission( 9760 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9761 "Only package verification agents can verify applications"); 9762 9763 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9764 final PackageVerificationResponse response = new PackageVerificationResponse( 9765 verificationCode, Binder.getCallingUid()); 9766 msg.arg1 = id; 9767 msg.obj = response; 9768 mHandler.sendMessage(msg); 9769 } 9770 9771 @Override 9772 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9773 long millisecondsToDelay) { 9774 mContext.enforceCallingOrSelfPermission( 9775 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9776 "Only package verification agents can extend verification timeouts"); 9777 9778 final PackageVerificationState state = mPendingVerification.get(id); 9779 final PackageVerificationResponse response = new PackageVerificationResponse( 9780 verificationCodeAtTimeout, Binder.getCallingUid()); 9781 9782 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9783 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9784 } 9785 if (millisecondsToDelay < 0) { 9786 millisecondsToDelay = 0; 9787 } 9788 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9789 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9790 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9791 } 9792 9793 if ((state != null) && !state.timeoutExtended()) { 9794 state.extendTimeout(); 9795 9796 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9797 msg.arg1 = id; 9798 msg.obj = response; 9799 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9800 } 9801 } 9802 9803 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9804 int verificationCode, UserHandle user) { 9805 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9806 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9807 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9808 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9809 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9810 9811 mContext.sendBroadcastAsUser(intent, user, 9812 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9813 } 9814 9815 private ComponentName matchComponentForVerifier(String packageName, 9816 List<ResolveInfo> receivers) { 9817 ActivityInfo targetReceiver = null; 9818 9819 final int NR = receivers.size(); 9820 for (int i = 0; i < NR; i++) { 9821 final ResolveInfo info = receivers.get(i); 9822 if (info.activityInfo == null) { 9823 continue; 9824 } 9825 9826 if (packageName.equals(info.activityInfo.packageName)) { 9827 targetReceiver = info.activityInfo; 9828 break; 9829 } 9830 } 9831 9832 if (targetReceiver == null) { 9833 return null; 9834 } 9835 9836 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9837 } 9838 9839 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9840 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9841 if (pkgInfo.verifiers.length == 0) { 9842 return null; 9843 } 9844 9845 final int N = pkgInfo.verifiers.length; 9846 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9847 for (int i = 0; i < N; i++) { 9848 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9849 9850 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9851 receivers); 9852 if (comp == null) { 9853 continue; 9854 } 9855 9856 final int verifierUid = getUidForVerifier(verifierInfo); 9857 if (verifierUid == -1) { 9858 continue; 9859 } 9860 9861 if (DEBUG_VERIFY) { 9862 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9863 + " with the correct signature"); 9864 } 9865 sufficientVerifiers.add(comp); 9866 verificationState.addSufficientVerifier(verifierUid); 9867 } 9868 9869 return sufficientVerifiers; 9870 } 9871 9872 private int getUidForVerifier(VerifierInfo verifierInfo) { 9873 synchronized (mPackages) { 9874 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9875 if (pkg == null) { 9876 return -1; 9877 } else if (pkg.mSignatures.length != 1) { 9878 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9879 + " has more than one signature; ignoring"); 9880 return -1; 9881 } 9882 9883 /* 9884 * If the public key of the package's signature does not match 9885 * our expected public key, then this is a different package and 9886 * we should skip. 9887 */ 9888 9889 final byte[] expectedPublicKey; 9890 try { 9891 final Signature verifierSig = pkg.mSignatures[0]; 9892 final PublicKey publicKey = verifierSig.getPublicKey(); 9893 expectedPublicKey = publicKey.getEncoded(); 9894 } catch (CertificateException e) { 9895 return -1; 9896 } 9897 9898 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9899 9900 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9901 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9902 + " does not have the expected public key; ignoring"); 9903 return -1; 9904 } 9905 9906 return pkg.applicationInfo.uid; 9907 } 9908 } 9909 9910 @Override 9911 public void finishPackageInstall(int token) { 9912 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9913 9914 if (DEBUG_INSTALL) { 9915 Slog.v(TAG, "BM finishing package install for " + token); 9916 } 9917 9918 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9919 mHandler.sendMessage(msg); 9920 } 9921 9922 /** 9923 * Get the verification agent timeout. 9924 * 9925 * @return verification timeout in milliseconds 9926 */ 9927 private long getVerificationTimeout() { 9928 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9929 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9930 DEFAULT_VERIFICATION_TIMEOUT); 9931 } 9932 9933 /** 9934 * Get the default verification agent response code. 9935 * 9936 * @return default verification response code 9937 */ 9938 private int getDefaultVerificationResponse() { 9939 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9940 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9941 DEFAULT_VERIFICATION_RESPONSE); 9942 } 9943 9944 /** 9945 * Check whether or not package verification has been enabled. 9946 * 9947 * @return true if verification should be performed 9948 */ 9949 private boolean isVerificationEnabled(int userId, int installFlags) { 9950 if (!DEFAULT_VERIFY_ENABLE) { 9951 return false; 9952 } 9953 9954 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9955 9956 // Check if installing from ADB 9957 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9958 // Do not run verification in a test harness environment 9959 if (ActivityManager.isRunningInTestHarness()) { 9960 return false; 9961 } 9962 if (ensureVerifyAppsEnabled) { 9963 return true; 9964 } 9965 // Check if the developer does not want package verification for ADB installs 9966 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9967 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9968 return false; 9969 } 9970 } 9971 9972 if (ensureVerifyAppsEnabled) { 9973 return true; 9974 } 9975 9976 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9977 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9978 } 9979 9980 @Override 9981 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9982 throws RemoteException { 9983 mContext.enforceCallingOrSelfPermission( 9984 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9985 "Only intentfilter verification agents can verify applications"); 9986 9987 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9988 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9989 Binder.getCallingUid(), verificationCode, failedDomains); 9990 msg.arg1 = id; 9991 msg.obj = response; 9992 mHandler.sendMessage(msg); 9993 } 9994 9995 @Override 9996 public int getIntentVerificationStatus(String packageName, int userId) { 9997 synchronized (mPackages) { 9998 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9999 } 10000 } 10001 10002 @Override 10003 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10004 mContext.enforceCallingOrSelfPermission( 10005 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10006 10007 boolean result = false; 10008 synchronized (mPackages) { 10009 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10010 } 10011 if (result) { 10012 scheduleWritePackageRestrictionsLocked(userId); 10013 } 10014 return result; 10015 } 10016 10017 @Override 10018 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10019 synchronized (mPackages) { 10020 return mSettings.getIntentFilterVerificationsLPr(packageName); 10021 } 10022 } 10023 10024 @Override 10025 public List<IntentFilter> getAllIntentFilters(String packageName) { 10026 if (TextUtils.isEmpty(packageName)) { 10027 return Collections.<IntentFilter>emptyList(); 10028 } 10029 synchronized (mPackages) { 10030 PackageParser.Package pkg = mPackages.get(packageName); 10031 if (pkg == null || pkg.activities == null) { 10032 return Collections.<IntentFilter>emptyList(); 10033 } 10034 final int count = pkg.activities.size(); 10035 ArrayList<IntentFilter> result = new ArrayList<>(); 10036 for (int n=0; n<count; n++) { 10037 PackageParser.Activity activity = pkg.activities.get(n); 10038 if (activity.intents != null || activity.intents.size() > 0) { 10039 result.addAll(activity.intents); 10040 } 10041 } 10042 return result; 10043 } 10044 } 10045 10046 @Override 10047 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10048 mContext.enforceCallingOrSelfPermission( 10049 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10050 10051 synchronized (mPackages) { 10052 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10053 if (packageName != null) { 10054 result |= updateIntentVerificationStatus(packageName, 10055 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10056 userId); 10057 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10058 packageName, userId); 10059 } 10060 return result; 10061 } 10062 } 10063 10064 @Override 10065 public String getDefaultBrowserPackageName(int userId) { 10066 synchronized (mPackages) { 10067 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10068 } 10069 } 10070 10071 /** 10072 * Get the "allow unknown sources" setting. 10073 * 10074 * @return the current "allow unknown sources" setting 10075 */ 10076 private int getUnknownSourcesSettings() { 10077 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10078 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10079 -1); 10080 } 10081 10082 @Override 10083 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10084 final int uid = Binder.getCallingUid(); 10085 // writer 10086 synchronized (mPackages) { 10087 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10088 if (targetPackageSetting == null) { 10089 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10090 } 10091 10092 PackageSetting installerPackageSetting; 10093 if (installerPackageName != null) { 10094 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10095 if (installerPackageSetting == null) { 10096 throw new IllegalArgumentException("Unknown installer package: " 10097 + installerPackageName); 10098 } 10099 } else { 10100 installerPackageSetting = null; 10101 } 10102 10103 Signature[] callerSignature; 10104 Object obj = mSettings.getUserIdLPr(uid); 10105 if (obj != null) { 10106 if (obj instanceof SharedUserSetting) { 10107 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10108 } else if (obj instanceof PackageSetting) { 10109 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10110 } else { 10111 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10112 } 10113 } else { 10114 throw new SecurityException("Unknown calling uid " + uid); 10115 } 10116 10117 // Verify: can't set installerPackageName to a package that is 10118 // not signed with the same cert as the caller. 10119 if (installerPackageSetting != null) { 10120 if (compareSignatures(callerSignature, 10121 installerPackageSetting.signatures.mSignatures) 10122 != PackageManager.SIGNATURE_MATCH) { 10123 throw new SecurityException( 10124 "Caller does not have same cert as new installer package " 10125 + installerPackageName); 10126 } 10127 } 10128 10129 // Verify: if target already has an installer package, it must 10130 // be signed with the same cert as the caller. 10131 if (targetPackageSetting.installerPackageName != null) { 10132 PackageSetting setting = mSettings.mPackages.get( 10133 targetPackageSetting.installerPackageName); 10134 // If the currently set package isn't valid, then it's always 10135 // okay to change it. 10136 if (setting != null) { 10137 if (compareSignatures(callerSignature, 10138 setting.signatures.mSignatures) 10139 != PackageManager.SIGNATURE_MATCH) { 10140 throw new SecurityException( 10141 "Caller does not have same cert as old installer package " 10142 + targetPackageSetting.installerPackageName); 10143 } 10144 } 10145 } 10146 10147 // Okay! 10148 targetPackageSetting.installerPackageName = installerPackageName; 10149 scheduleWriteSettingsLocked(); 10150 } 10151 } 10152 10153 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10154 // Queue up an async operation since the package installation may take a little while. 10155 mHandler.post(new Runnable() { 10156 public void run() { 10157 mHandler.removeCallbacks(this); 10158 // Result object to be returned 10159 PackageInstalledInfo res = new PackageInstalledInfo(); 10160 res.returnCode = currentStatus; 10161 res.uid = -1; 10162 res.pkg = null; 10163 res.removedInfo = new PackageRemovedInfo(); 10164 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10165 args.doPreInstall(res.returnCode); 10166 synchronized (mInstallLock) { 10167 installPackageLI(args, res); 10168 } 10169 args.doPostInstall(res.returnCode, res.uid); 10170 } 10171 10172 // A restore should be performed at this point if (a) the install 10173 // succeeded, (b) the operation is not an update, and (c) the new 10174 // package has not opted out of backup participation. 10175 final boolean update = res.removedInfo.removedPackage != null; 10176 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10177 boolean doRestore = !update 10178 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10179 10180 // Set up the post-install work request bookkeeping. This will be used 10181 // and cleaned up by the post-install event handling regardless of whether 10182 // there's a restore pass performed. Token values are >= 1. 10183 int token; 10184 if (mNextInstallToken < 0) mNextInstallToken = 1; 10185 token = mNextInstallToken++; 10186 10187 PostInstallData data = new PostInstallData(args, res); 10188 mRunningInstalls.put(token, data); 10189 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10190 10191 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10192 // Pass responsibility to the Backup Manager. It will perform a 10193 // restore if appropriate, then pass responsibility back to the 10194 // Package Manager to run the post-install observer callbacks 10195 // and broadcasts. 10196 IBackupManager bm = IBackupManager.Stub.asInterface( 10197 ServiceManager.getService(Context.BACKUP_SERVICE)); 10198 if (bm != null) { 10199 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10200 + " to BM for possible restore"); 10201 try { 10202 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10203 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10204 } else { 10205 doRestore = false; 10206 } 10207 } catch (RemoteException e) { 10208 // can't happen; the backup manager is local 10209 } catch (Exception e) { 10210 Slog.e(TAG, "Exception trying to enqueue restore", e); 10211 doRestore = false; 10212 } 10213 } else { 10214 Slog.e(TAG, "Backup Manager not found!"); 10215 doRestore = false; 10216 } 10217 } 10218 10219 if (!doRestore) { 10220 // No restore possible, or the Backup Manager was mysteriously not 10221 // available -- just fire the post-install work request directly. 10222 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10223 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10224 mHandler.sendMessage(msg); 10225 } 10226 } 10227 }); 10228 } 10229 10230 private abstract class HandlerParams { 10231 private static final int MAX_RETRIES = 4; 10232 10233 /** 10234 * Number of times startCopy() has been attempted and had a non-fatal 10235 * error. 10236 */ 10237 private int mRetries = 0; 10238 10239 /** User handle for the user requesting the information or installation. */ 10240 private final UserHandle mUser; 10241 10242 HandlerParams(UserHandle user) { 10243 mUser = user; 10244 } 10245 10246 UserHandle getUser() { 10247 return mUser; 10248 } 10249 10250 final boolean startCopy() { 10251 boolean res; 10252 try { 10253 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10254 10255 if (++mRetries > MAX_RETRIES) { 10256 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10257 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10258 handleServiceError(); 10259 return false; 10260 } else { 10261 handleStartCopy(); 10262 res = true; 10263 } 10264 } catch (RemoteException e) { 10265 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10266 mHandler.sendEmptyMessage(MCS_RECONNECT); 10267 res = false; 10268 } 10269 handleReturnCode(); 10270 return res; 10271 } 10272 10273 final void serviceError() { 10274 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10275 handleServiceError(); 10276 handleReturnCode(); 10277 } 10278 10279 abstract void handleStartCopy() throws RemoteException; 10280 abstract void handleServiceError(); 10281 abstract void handleReturnCode(); 10282 } 10283 10284 class MeasureParams extends HandlerParams { 10285 private final PackageStats mStats; 10286 private boolean mSuccess; 10287 10288 private final IPackageStatsObserver mObserver; 10289 10290 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10291 super(new UserHandle(stats.userHandle)); 10292 mObserver = observer; 10293 mStats = stats; 10294 } 10295 10296 @Override 10297 public String toString() { 10298 return "MeasureParams{" 10299 + Integer.toHexString(System.identityHashCode(this)) 10300 + " " + mStats.packageName + "}"; 10301 } 10302 10303 @Override 10304 void handleStartCopy() throws RemoteException { 10305 synchronized (mInstallLock) { 10306 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10307 } 10308 10309 if (mSuccess) { 10310 final boolean mounted; 10311 if (Environment.isExternalStorageEmulated()) { 10312 mounted = true; 10313 } else { 10314 final String status = Environment.getExternalStorageState(); 10315 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10316 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10317 } 10318 10319 if (mounted) { 10320 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10321 10322 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10323 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10324 10325 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10326 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10327 10328 // Always subtract cache size, since it's a subdirectory 10329 mStats.externalDataSize -= mStats.externalCacheSize; 10330 10331 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10332 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10333 10334 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10335 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10336 } 10337 } 10338 } 10339 10340 @Override 10341 void handleReturnCode() { 10342 if (mObserver != null) { 10343 try { 10344 mObserver.onGetStatsCompleted(mStats, mSuccess); 10345 } catch (RemoteException e) { 10346 Slog.i(TAG, "Observer no longer exists."); 10347 } 10348 } 10349 } 10350 10351 @Override 10352 void handleServiceError() { 10353 Slog.e(TAG, "Could not measure application " + mStats.packageName 10354 + " external storage"); 10355 } 10356 } 10357 10358 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10359 throws RemoteException { 10360 long result = 0; 10361 for (File path : paths) { 10362 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10363 } 10364 return result; 10365 } 10366 10367 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10368 for (File path : paths) { 10369 try { 10370 mcs.clearDirectory(path.getAbsolutePath()); 10371 } catch (RemoteException e) { 10372 } 10373 } 10374 } 10375 10376 static class OriginInfo { 10377 /** 10378 * Location where install is coming from, before it has been 10379 * copied/renamed into place. This could be a single monolithic APK 10380 * file, or a cluster directory. This location may be untrusted. 10381 */ 10382 final File file; 10383 final String cid; 10384 10385 /** 10386 * Flag indicating that {@link #file} or {@link #cid} has already been 10387 * staged, meaning downstream users don't need to defensively copy the 10388 * contents. 10389 */ 10390 final boolean staged; 10391 10392 /** 10393 * Flag indicating that {@link #file} or {@link #cid} is an already 10394 * installed app that is being moved. 10395 */ 10396 final boolean existing; 10397 10398 final String resolvedPath; 10399 final File resolvedFile; 10400 10401 static OriginInfo fromNothing() { 10402 return new OriginInfo(null, null, false, false); 10403 } 10404 10405 static OriginInfo fromUntrustedFile(File file) { 10406 return new OriginInfo(file, null, false, false); 10407 } 10408 10409 static OriginInfo fromExistingFile(File file) { 10410 return new OriginInfo(file, null, false, true); 10411 } 10412 10413 static OriginInfo fromStagedFile(File file) { 10414 return new OriginInfo(file, null, true, false); 10415 } 10416 10417 static OriginInfo fromStagedContainer(String cid) { 10418 return new OriginInfo(null, cid, true, false); 10419 } 10420 10421 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10422 this.file = file; 10423 this.cid = cid; 10424 this.staged = staged; 10425 this.existing = existing; 10426 10427 if (cid != null) { 10428 resolvedPath = PackageHelper.getSdDir(cid); 10429 resolvedFile = new File(resolvedPath); 10430 } else if (file != null) { 10431 resolvedPath = file.getAbsolutePath(); 10432 resolvedFile = file; 10433 } else { 10434 resolvedPath = null; 10435 resolvedFile = null; 10436 } 10437 } 10438 } 10439 10440 class MoveInfo { 10441 final int moveId; 10442 final String fromUuid; 10443 final String toUuid; 10444 final String packageName; 10445 final String dataAppName; 10446 final int appId; 10447 final String seinfo; 10448 10449 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10450 String dataAppName, int appId, String seinfo) { 10451 this.moveId = moveId; 10452 this.fromUuid = fromUuid; 10453 this.toUuid = toUuid; 10454 this.packageName = packageName; 10455 this.dataAppName = dataAppName; 10456 this.appId = appId; 10457 this.seinfo = seinfo; 10458 } 10459 } 10460 10461 class InstallParams extends HandlerParams { 10462 final OriginInfo origin; 10463 final MoveInfo move; 10464 final IPackageInstallObserver2 observer; 10465 int installFlags; 10466 final String installerPackageName; 10467 final String volumeUuid; 10468 final VerificationParams verificationParams; 10469 private InstallArgs mArgs; 10470 private int mRet; 10471 final String packageAbiOverride; 10472 final String[] grantedRuntimePermissions; 10473 10474 10475 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10476 int installFlags, String installerPackageName, String volumeUuid, 10477 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10478 String[] grantedPermissions) { 10479 super(user); 10480 this.origin = origin; 10481 this.move = move; 10482 this.observer = observer; 10483 this.installFlags = installFlags; 10484 this.installerPackageName = installerPackageName; 10485 this.volumeUuid = volumeUuid; 10486 this.verificationParams = verificationParams; 10487 this.packageAbiOverride = packageAbiOverride; 10488 this.grantedRuntimePermissions = grantedPermissions; 10489 } 10490 10491 @Override 10492 public String toString() { 10493 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10494 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10495 } 10496 10497 public ManifestDigest getManifestDigest() { 10498 if (verificationParams == null) { 10499 return null; 10500 } 10501 return verificationParams.getManifestDigest(); 10502 } 10503 10504 private int installLocationPolicy(PackageInfoLite pkgLite) { 10505 String packageName = pkgLite.packageName; 10506 int installLocation = pkgLite.installLocation; 10507 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10508 // reader 10509 synchronized (mPackages) { 10510 PackageParser.Package pkg = mPackages.get(packageName); 10511 if (pkg != null) { 10512 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10513 // Check for downgrading. 10514 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10515 try { 10516 checkDowngrade(pkg, pkgLite); 10517 } catch (PackageManagerException e) { 10518 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10519 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10520 } 10521 } 10522 // Check for updated system application. 10523 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10524 if (onSd) { 10525 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10526 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10527 } 10528 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10529 } else { 10530 if (onSd) { 10531 // Install flag overrides everything. 10532 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10533 } 10534 // If current upgrade specifies particular preference 10535 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10536 // Application explicitly specified internal. 10537 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10538 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10539 // App explictly prefers external. Let policy decide 10540 } else { 10541 // Prefer previous location 10542 if (isExternal(pkg)) { 10543 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10544 } 10545 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10546 } 10547 } 10548 } else { 10549 // Invalid install. Return error code 10550 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10551 } 10552 } 10553 } 10554 // All the special cases have been taken care of. 10555 // Return result based on recommended install location. 10556 if (onSd) { 10557 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10558 } 10559 return pkgLite.recommendedInstallLocation; 10560 } 10561 10562 /* 10563 * Invoke remote method to get package information and install 10564 * location values. Override install location based on default 10565 * policy if needed and then create install arguments based 10566 * on the install location. 10567 */ 10568 public void handleStartCopy() throws RemoteException { 10569 int ret = PackageManager.INSTALL_SUCCEEDED; 10570 10571 // If we're already staged, we've firmly committed to an install location 10572 if (origin.staged) { 10573 if (origin.file != null) { 10574 installFlags |= PackageManager.INSTALL_INTERNAL; 10575 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10576 } else if (origin.cid != null) { 10577 installFlags |= PackageManager.INSTALL_EXTERNAL; 10578 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10579 } else { 10580 throw new IllegalStateException("Invalid stage location"); 10581 } 10582 } 10583 10584 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10585 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10586 10587 PackageInfoLite pkgLite = null; 10588 10589 if (onInt && onSd) { 10590 // Check if both bits are set. 10591 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10592 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10593 } else { 10594 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10595 packageAbiOverride); 10596 10597 /* 10598 * If we have too little free space, try to free cache 10599 * before giving up. 10600 */ 10601 if (!origin.staged && pkgLite.recommendedInstallLocation 10602 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10603 // TODO: focus freeing disk space on the target device 10604 final StorageManager storage = StorageManager.from(mContext); 10605 final long lowThreshold = storage.getStorageLowBytes( 10606 Environment.getDataDirectory()); 10607 10608 final long sizeBytes = mContainerService.calculateInstalledSize( 10609 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10610 10611 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10612 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10613 installFlags, packageAbiOverride); 10614 } 10615 10616 /* 10617 * The cache free must have deleted the file we 10618 * downloaded to install. 10619 * 10620 * TODO: fix the "freeCache" call to not delete 10621 * the file we care about. 10622 */ 10623 if (pkgLite.recommendedInstallLocation 10624 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10625 pkgLite.recommendedInstallLocation 10626 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10627 } 10628 } 10629 } 10630 10631 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10632 int loc = pkgLite.recommendedInstallLocation; 10633 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10634 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10635 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10636 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10637 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10638 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10639 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10640 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10641 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10642 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10643 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10644 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10645 } else { 10646 // Override with defaults if needed. 10647 loc = installLocationPolicy(pkgLite); 10648 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10649 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10650 } else if (!onSd && !onInt) { 10651 // Override install location with flags 10652 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10653 // Set the flag to install on external media. 10654 installFlags |= PackageManager.INSTALL_EXTERNAL; 10655 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10656 } else { 10657 // Make sure the flag for installing on external 10658 // media is unset 10659 installFlags |= PackageManager.INSTALL_INTERNAL; 10660 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10661 } 10662 } 10663 } 10664 } 10665 10666 final InstallArgs args = createInstallArgs(this); 10667 mArgs = args; 10668 10669 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10670 /* 10671 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10672 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10673 */ 10674 int userIdentifier = getUser().getIdentifier(); 10675 if (userIdentifier == UserHandle.USER_ALL 10676 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10677 userIdentifier = UserHandle.USER_OWNER; 10678 } 10679 10680 /* 10681 * Determine if we have any installed package verifiers. If we 10682 * do, then we'll defer to them to verify the packages. 10683 */ 10684 final int requiredUid = mRequiredVerifierPackage == null ? -1 10685 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10686 if (!origin.existing && requiredUid != -1 10687 && isVerificationEnabled(userIdentifier, installFlags)) { 10688 final Intent verification = new Intent( 10689 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10690 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10691 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10692 PACKAGE_MIME_TYPE); 10693 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10694 10695 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10696 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10697 0 /* TODO: Which userId? */); 10698 10699 if (DEBUG_VERIFY) { 10700 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10701 + verification.toString() + " with " + pkgLite.verifiers.length 10702 + " optional verifiers"); 10703 } 10704 10705 final int verificationId = mPendingVerificationToken++; 10706 10707 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10708 10709 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10710 installerPackageName); 10711 10712 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10713 installFlags); 10714 10715 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10716 pkgLite.packageName); 10717 10718 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10719 pkgLite.versionCode); 10720 10721 if (verificationParams != null) { 10722 if (verificationParams.getVerificationURI() != null) { 10723 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10724 verificationParams.getVerificationURI()); 10725 } 10726 if (verificationParams.getOriginatingURI() != null) { 10727 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10728 verificationParams.getOriginatingURI()); 10729 } 10730 if (verificationParams.getReferrer() != null) { 10731 verification.putExtra(Intent.EXTRA_REFERRER, 10732 verificationParams.getReferrer()); 10733 } 10734 if (verificationParams.getOriginatingUid() >= 0) { 10735 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10736 verificationParams.getOriginatingUid()); 10737 } 10738 if (verificationParams.getInstallerUid() >= 0) { 10739 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10740 verificationParams.getInstallerUid()); 10741 } 10742 } 10743 10744 final PackageVerificationState verificationState = new PackageVerificationState( 10745 requiredUid, args); 10746 10747 mPendingVerification.append(verificationId, verificationState); 10748 10749 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10750 receivers, verificationState); 10751 10752 // Apps installed for "all" users use the device owner to verify the app 10753 UserHandle verifierUser = getUser(); 10754 if (verifierUser == UserHandle.ALL) { 10755 verifierUser = UserHandle.OWNER; 10756 } 10757 10758 /* 10759 * If any sufficient verifiers were listed in the package 10760 * manifest, attempt to ask them. 10761 */ 10762 if (sufficientVerifiers != null) { 10763 final int N = sufficientVerifiers.size(); 10764 if (N == 0) { 10765 Slog.i(TAG, "Additional verifiers required, but none installed."); 10766 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10767 } else { 10768 for (int i = 0; i < N; i++) { 10769 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10770 10771 final Intent sufficientIntent = new Intent(verification); 10772 sufficientIntent.setComponent(verifierComponent); 10773 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10774 } 10775 } 10776 } 10777 10778 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10779 mRequiredVerifierPackage, receivers); 10780 if (ret == PackageManager.INSTALL_SUCCEEDED 10781 && mRequiredVerifierPackage != null) { 10782 /* 10783 * Send the intent to the required verification agent, 10784 * but only start the verification timeout after the 10785 * target BroadcastReceivers have run. 10786 */ 10787 verification.setComponent(requiredVerifierComponent); 10788 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10789 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10790 new BroadcastReceiver() { 10791 @Override 10792 public void onReceive(Context context, Intent intent) { 10793 final Message msg = mHandler 10794 .obtainMessage(CHECK_PENDING_VERIFICATION); 10795 msg.arg1 = verificationId; 10796 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10797 } 10798 }, null, 0, null, null); 10799 10800 /* 10801 * We don't want the copy to proceed until verification 10802 * succeeds, so null out this field. 10803 */ 10804 mArgs = null; 10805 } 10806 } else { 10807 /* 10808 * No package verification is enabled, so immediately start 10809 * the remote call to initiate copy using temporary file. 10810 */ 10811 ret = args.copyApk(mContainerService, true); 10812 } 10813 } 10814 10815 mRet = ret; 10816 } 10817 10818 @Override 10819 void handleReturnCode() { 10820 // If mArgs is null, then MCS couldn't be reached. When it 10821 // reconnects, it will try again to install. At that point, this 10822 // will succeed. 10823 if (mArgs != null) { 10824 processPendingInstall(mArgs, mRet); 10825 } 10826 } 10827 10828 @Override 10829 void handleServiceError() { 10830 mArgs = createInstallArgs(this); 10831 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10832 } 10833 10834 public boolean isForwardLocked() { 10835 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10836 } 10837 } 10838 10839 /** 10840 * Used during creation of InstallArgs 10841 * 10842 * @param installFlags package installation flags 10843 * @return true if should be installed on external storage 10844 */ 10845 private static boolean installOnExternalAsec(int installFlags) { 10846 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10847 return false; 10848 } 10849 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10850 return true; 10851 } 10852 return false; 10853 } 10854 10855 /** 10856 * Used during creation of InstallArgs 10857 * 10858 * @param installFlags package installation flags 10859 * @return true if should be installed as forward locked 10860 */ 10861 private static boolean installForwardLocked(int installFlags) { 10862 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10863 } 10864 10865 private InstallArgs createInstallArgs(InstallParams params) { 10866 if (params.move != null) { 10867 return new MoveInstallArgs(params); 10868 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10869 return new AsecInstallArgs(params); 10870 } else { 10871 return new FileInstallArgs(params); 10872 } 10873 } 10874 10875 /** 10876 * Create args that describe an existing installed package. Typically used 10877 * when cleaning up old installs, or used as a move source. 10878 */ 10879 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10880 String resourcePath, String[] instructionSets) { 10881 final boolean isInAsec; 10882 if (installOnExternalAsec(installFlags)) { 10883 /* Apps on SD card are always in ASEC containers. */ 10884 isInAsec = true; 10885 } else if (installForwardLocked(installFlags) 10886 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10887 /* 10888 * Forward-locked apps are only in ASEC containers if they're the 10889 * new style 10890 */ 10891 isInAsec = true; 10892 } else { 10893 isInAsec = false; 10894 } 10895 10896 if (isInAsec) { 10897 return new AsecInstallArgs(codePath, instructionSets, 10898 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10899 } else { 10900 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10901 } 10902 } 10903 10904 static abstract class InstallArgs { 10905 /** @see InstallParams#origin */ 10906 final OriginInfo origin; 10907 /** @see InstallParams#move */ 10908 final MoveInfo move; 10909 10910 final IPackageInstallObserver2 observer; 10911 // Always refers to PackageManager flags only 10912 final int installFlags; 10913 final String installerPackageName; 10914 final String volumeUuid; 10915 final ManifestDigest manifestDigest; 10916 final UserHandle user; 10917 final String abiOverride; 10918 final String[] installGrantPermissions; 10919 10920 // The list of instruction sets supported by this app. This is currently 10921 // only used during the rmdex() phase to clean up resources. We can get rid of this 10922 // if we move dex files under the common app path. 10923 /* nullable */ String[] instructionSets; 10924 10925 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10926 int installFlags, String installerPackageName, String volumeUuid, 10927 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10928 String abiOverride, String[] installGrantPermissions) { 10929 this.origin = origin; 10930 this.move = move; 10931 this.installFlags = installFlags; 10932 this.observer = observer; 10933 this.installerPackageName = installerPackageName; 10934 this.volumeUuid = volumeUuid; 10935 this.manifestDigest = manifestDigest; 10936 this.user = user; 10937 this.instructionSets = instructionSets; 10938 this.abiOverride = abiOverride; 10939 this.installGrantPermissions = installGrantPermissions; 10940 } 10941 10942 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10943 abstract int doPreInstall(int status); 10944 10945 /** 10946 * Rename package into final resting place. All paths on the given 10947 * scanned package should be updated to reflect the rename. 10948 */ 10949 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10950 abstract int doPostInstall(int status, int uid); 10951 10952 /** @see PackageSettingBase#codePathString */ 10953 abstract String getCodePath(); 10954 /** @see PackageSettingBase#resourcePathString */ 10955 abstract String getResourcePath(); 10956 10957 // Need installer lock especially for dex file removal. 10958 abstract void cleanUpResourcesLI(); 10959 abstract boolean doPostDeleteLI(boolean delete); 10960 10961 /** 10962 * Called before the source arguments are copied. This is used mostly 10963 * for MoveParams when it needs to read the source file to put it in the 10964 * destination. 10965 */ 10966 int doPreCopy() { 10967 return PackageManager.INSTALL_SUCCEEDED; 10968 } 10969 10970 /** 10971 * Called after the source arguments are copied. This is used mostly for 10972 * MoveParams when it needs to read the source file to put it in the 10973 * destination. 10974 * 10975 * @return 10976 */ 10977 int doPostCopy(int uid) { 10978 return PackageManager.INSTALL_SUCCEEDED; 10979 } 10980 10981 protected boolean isFwdLocked() { 10982 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10983 } 10984 10985 protected boolean isExternalAsec() { 10986 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10987 } 10988 10989 UserHandle getUser() { 10990 return user; 10991 } 10992 } 10993 10994 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10995 if (!allCodePaths.isEmpty()) { 10996 if (instructionSets == null) { 10997 throw new IllegalStateException("instructionSet == null"); 10998 } 10999 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11000 for (String codePath : allCodePaths) { 11001 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11002 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11003 if (retCode < 0) { 11004 Slog.w(TAG, "Couldn't remove dex file for package: " 11005 + " at location " + codePath + ", retcode=" + retCode); 11006 // we don't consider this to be a failure of the core package deletion 11007 } 11008 } 11009 } 11010 } 11011 } 11012 11013 /** 11014 * Logic to handle installation of non-ASEC applications, including copying 11015 * and renaming logic. 11016 */ 11017 class FileInstallArgs extends InstallArgs { 11018 private File codeFile; 11019 private File resourceFile; 11020 11021 // Example topology: 11022 // /data/app/com.example/base.apk 11023 // /data/app/com.example/split_foo.apk 11024 // /data/app/com.example/lib/arm/libfoo.so 11025 // /data/app/com.example/lib/arm64/libfoo.so 11026 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11027 11028 /** New install */ 11029 FileInstallArgs(InstallParams params) { 11030 super(params.origin, params.move, params.observer, params.installFlags, 11031 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11032 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11033 params.grantedRuntimePermissions); 11034 if (isFwdLocked()) { 11035 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11036 } 11037 } 11038 11039 /** Existing install */ 11040 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11041 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11042 null, null); 11043 this.codeFile = (codePath != null) ? new File(codePath) : null; 11044 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11045 } 11046 11047 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11048 if (origin.staged) { 11049 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11050 codeFile = origin.file; 11051 resourceFile = origin.file; 11052 return PackageManager.INSTALL_SUCCEEDED; 11053 } 11054 11055 try { 11056 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11057 codeFile = tempDir; 11058 resourceFile = tempDir; 11059 } catch (IOException e) { 11060 Slog.w(TAG, "Failed to create copy file: " + e); 11061 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11062 } 11063 11064 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11065 @Override 11066 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11067 if (!FileUtils.isValidExtFilename(name)) { 11068 throw new IllegalArgumentException("Invalid filename: " + name); 11069 } 11070 try { 11071 final File file = new File(codeFile, name); 11072 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11073 O_RDWR | O_CREAT, 0644); 11074 Os.chmod(file.getAbsolutePath(), 0644); 11075 return new ParcelFileDescriptor(fd); 11076 } catch (ErrnoException e) { 11077 throw new RemoteException("Failed to open: " + e.getMessage()); 11078 } 11079 } 11080 }; 11081 11082 int ret = PackageManager.INSTALL_SUCCEEDED; 11083 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11084 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11085 Slog.e(TAG, "Failed to copy package"); 11086 return ret; 11087 } 11088 11089 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11090 NativeLibraryHelper.Handle handle = null; 11091 try { 11092 handle = NativeLibraryHelper.Handle.create(codeFile); 11093 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11094 abiOverride); 11095 } catch (IOException e) { 11096 Slog.e(TAG, "Copying native libraries failed", e); 11097 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11098 } finally { 11099 IoUtils.closeQuietly(handle); 11100 } 11101 11102 return ret; 11103 } 11104 11105 int doPreInstall(int status) { 11106 if (status != PackageManager.INSTALL_SUCCEEDED) { 11107 cleanUp(); 11108 } 11109 return status; 11110 } 11111 11112 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11113 if (status != PackageManager.INSTALL_SUCCEEDED) { 11114 cleanUp(); 11115 return false; 11116 } 11117 11118 final File targetDir = codeFile.getParentFile(); 11119 final File beforeCodeFile = codeFile; 11120 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11121 11122 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11123 try { 11124 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11125 } catch (ErrnoException e) { 11126 Slog.w(TAG, "Failed to rename", e); 11127 return false; 11128 } 11129 11130 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11131 Slog.w(TAG, "Failed to restorecon"); 11132 return false; 11133 } 11134 11135 // Reflect the rename internally 11136 codeFile = afterCodeFile; 11137 resourceFile = afterCodeFile; 11138 11139 // Reflect the rename in scanned details 11140 pkg.codePath = afterCodeFile.getAbsolutePath(); 11141 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11142 pkg.baseCodePath); 11143 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11144 pkg.splitCodePaths); 11145 11146 // Reflect the rename in app info 11147 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11148 pkg.applicationInfo.setCodePath(pkg.codePath); 11149 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11150 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11151 pkg.applicationInfo.setResourcePath(pkg.codePath); 11152 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11153 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11154 11155 return true; 11156 } 11157 11158 int doPostInstall(int status, int uid) { 11159 if (status != PackageManager.INSTALL_SUCCEEDED) { 11160 cleanUp(); 11161 } 11162 return status; 11163 } 11164 11165 @Override 11166 String getCodePath() { 11167 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11168 } 11169 11170 @Override 11171 String getResourcePath() { 11172 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11173 } 11174 11175 private boolean cleanUp() { 11176 if (codeFile == null || !codeFile.exists()) { 11177 return false; 11178 } 11179 11180 if (codeFile.isDirectory()) { 11181 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11182 } else { 11183 codeFile.delete(); 11184 } 11185 11186 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11187 resourceFile.delete(); 11188 } 11189 11190 return true; 11191 } 11192 11193 void cleanUpResourcesLI() { 11194 // Try enumerating all code paths before deleting 11195 List<String> allCodePaths = Collections.EMPTY_LIST; 11196 if (codeFile != null && codeFile.exists()) { 11197 try { 11198 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11199 allCodePaths = pkg.getAllCodePaths(); 11200 } catch (PackageParserException e) { 11201 // Ignored; we tried our best 11202 } 11203 } 11204 11205 cleanUp(); 11206 removeDexFiles(allCodePaths, instructionSets); 11207 } 11208 11209 boolean doPostDeleteLI(boolean delete) { 11210 // XXX err, shouldn't we respect the delete flag? 11211 cleanUpResourcesLI(); 11212 return true; 11213 } 11214 } 11215 11216 private boolean isAsecExternal(String cid) { 11217 final String asecPath = PackageHelper.getSdFilesystem(cid); 11218 return !asecPath.startsWith(mAsecInternalPath); 11219 } 11220 11221 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11222 PackageManagerException { 11223 if (copyRet < 0) { 11224 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11225 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11226 throw new PackageManagerException(copyRet, message); 11227 } 11228 } 11229 } 11230 11231 /** 11232 * Extract the MountService "container ID" from the full code path of an 11233 * .apk. 11234 */ 11235 static String cidFromCodePath(String fullCodePath) { 11236 int eidx = fullCodePath.lastIndexOf("/"); 11237 String subStr1 = fullCodePath.substring(0, eidx); 11238 int sidx = subStr1.lastIndexOf("/"); 11239 return subStr1.substring(sidx+1, eidx); 11240 } 11241 11242 /** 11243 * Logic to handle installation of ASEC applications, including copying and 11244 * renaming logic. 11245 */ 11246 class AsecInstallArgs extends InstallArgs { 11247 static final String RES_FILE_NAME = "pkg.apk"; 11248 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11249 11250 String cid; 11251 String packagePath; 11252 String resourcePath; 11253 11254 /** New install */ 11255 AsecInstallArgs(InstallParams params) { 11256 super(params.origin, params.move, params.observer, params.installFlags, 11257 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11258 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11259 params.grantedRuntimePermissions); 11260 } 11261 11262 /** Existing install */ 11263 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11264 boolean isExternal, boolean isForwardLocked) { 11265 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11266 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11267 instructionSets, null, null); 11268 // Hackily pretend we're still looking at a full code path 11269 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11270 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11271 } 11272 11273 // Extract cid from fullCodePath 11274 int eidx = fullCodePath.lastIndexOf("/"); 11275 String subStr1 = fullCodePath.substring(0, eidx); 11276 int sidx = subStr1.lastIndexOf("/"); 11277 cid = subStr1.substring(sidx+1, eidx); 11278 setMountPath(subStr1); 11279 } 11280 11281 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11282 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11283 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11284 instructionSets, null, null); 11285 this.cid = cid; 11286 setMountPath(PackageHelper.getSdDir(cid)); 11287 } 11288 11289 void createCopyFile() { 11290 cid = mInstallerService.allocateExternalStageCidLegacy(); 11291 } 11292 11293 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11294 if (origin.staged) { 11295 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11296 cid = origin.cid; 11297 setMountPath(PackageHelper.getSdDir(cid)); 11298 return PackageManager.INSTALL_SUCCEEDED; 11299 } 11300 11301 if (temp) { 11302 createCopyFile(); 11303 } else { 11304 /* 11305 * Pre-emptively destroy the container since it's destroyed if 11306 * copying fails due to it existing anyway. 11307 */ 11308 PackageHelper.destroySdDir(cid); 11309 } 11310 11311 final String newMountPath = imcs.copyPackageToContainer( 11312 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11313 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11314 11315 if (newMountPath != null) { 11316 setMountPath(newMountPath); 11317 return PackageManager.INSTALL_SUCCEEDED; 11318 } else { 11319 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11320 } 11321 } 11322 11323 @Override 11324 String getCodePath() { 11325 return packagePath; 11326 } 11327 11328 @Override 11329 String getResourcePath() { 11330 return resourcePath; 11331 } 11332 11333 int doPreInstall(int status) { 11334 if (status != PackageManager.INSTALL_SUCCEEDED) { 11335 // Destroy container 11336 PackageHelper.destroySdDir(cid); 11337 } else { 11338 boolean mounted = PackageHelper.isContainerMounted(cid); 11339 if (!mounted) { 11340 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11341 Process.SYSTEM_UID); 11342 if (newMountPath != null) { 11343 setMountPath(newMountPath); 11344 } else { 11345 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11346 } 11347 } 11348 } 11349 return status; 11350 } 11351 11352 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11353 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11354 String newMountPath = null; 11355 if (PackageHelper.isContainerMounted(cid)) { 11356 // Unmount the container 11357 if (!PackageHelper.unMountSdDir(cid)) { 11358 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11359 return false; 11360 } 11361 } 11362 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11363 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11364 " which might be stale. Will try to clean up."); 11365 // Clean up the stale container and proceed to recreate. 11366 if (!PackageHelper.destroySdDir(newCacheId)) { 11367 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11368 return false; 11369 } 11370 // Successfully cleaned up stale container. Try to rename again. 11371 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11372 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11373 + " inspite of cleaning it up."); 11374 return false; 11375 } 11376 } 11377 if (!PackageHelper.isContainerMounted(newCacheId)) { 11378 Slog.w(TAG, "Mounting container " + newCacheId); 11379 newMountPath = PackageHelper.mountSdDir(newCacheId, 11380 getEncryptKey(), Process.SYSTEM_UID); 11381 } else { 11382 newMountPath = PackageHelper.getSdDir(newCacheId); 11383 } 11384 if (newMountPath == null) { 11385 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11386 return false; 11387 } 11388 Log.i(TAG, "Succesfully renamed " + cid + 11389 " to " + newCacheId + 11390 " at new path: " + newMountPath); 11391 cid = newCacheId; 11392 11393 final File beforeCodeFile = new File(packagePath); 11394 setMountPath(newMountPath); 11395 final File afterCodeFile = new File(packagePath); 11396 11397 // Reflect the rename in scanned details 11398 pkg.codePath = afterCodeFile.getAbsolutePath(); 11399 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11400 pkg.baseCodePath); 11401 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11402 pkg.splitCodePaths); 11403 11404 // Reflect the rename in app info 11405 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11406 pkg.applicationInfo.setCodePath(pkg.codePath); 11407 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11408 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11409 pkg.applicationInfo.setResourcePath(pkg.codePath); 11410 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11411 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11412 11413 return true; 11414 } 11415 11416 private void setMountPath(String mountPath) { 11417 final File mountFile = new File(mountPath); 11418 11419 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11420 if (monolithicFile.exists()) { 11421 packagePath = monolithicFile.getAbsolutePath(); 11422 if (isFwdLocked()) { 11423 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11424 } else { 11425 resourcePath = packagePath; 11426 } 11427 } else { 11428 packagePath = mountFile.getAbsolutePath(); 11429 resourcePath = packagePath; 11430 } 11431 } 11432 11433 int doPostInstall(int status, int uid) { 11434 if (status != PackageManager.INSTALL_SUCCEEDED) { 11435 cleanUp(); 11436 } else { 11437 final int groupOwner; 11438 final String protectedFile; 11439 if (isFwdLocked()) { 11440 groupOwner = UserHandle.getSharedAppGid(uid); 11441 protectedFile = RES_FILE_NAME; 11442 } else { 11443 groupOwner = -1; 11444 protectedFile = null; 11445 } 11446 11447 if (uid < Process.FIRST_APPLICATION_UID 11448 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11449 Slog.e(TAG, "Failed to finalize " + cid); 11450 PackageHelper.destroySdDir(cid); 11451 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11452 } 11453 11454 boolean mounted = PackageHelper.isContainerMounted(cid); 11455 if (!mounted) { 11456 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11457 } 11458 } 11459 return status; 11460 } 11461 11462 private void cleanUp() { 11463 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11464 11465 // Destroy secure container 11466 PackageHelper.destroySdDir(cid); 11467 } 11468 11469 private List<String> getAllCodePaths() { 11470 final File codeFile = new File(getCodePath()); 11471 if (codeFile != null && codeFile.exists()) { 11472 try { 11473 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11474 return pkg.getAllCodePaths(); 11475 } catch (PackageParserException e) { 11476 // Ignored; we tried our best 11477 } 11478 } 11479 return Collections.EMPTY_LIST; 11480 } 11481 11482 void cleanUpResourcesLI() { 11483 // Enumerate all code paths before deleting 11484 cleanUpResourcesLI(getAllCodePaths()); 11485 } 11486 11487 private void cleanUpResourcesLI(List<String> allCodePaths) { 11488 cleanUp(); 11489 removeDexFiles(allCodePaths, instructionSets); 11490 } 11491 11492 String getPackageName() { 11493 return getAsecPackageName(cid); 11494 } 11495 11496 boolean doPostDeleteLI(boolean delete) { 11497 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11498 final List<String> allCodePaths = getAllCodePaths(); 11499 boolean mounted = PackageHelper.isContainerMounted(cid); 11500 if (mounted) { 11501 // Unmount first 11502 if (PackageHelper.unMountSdDir(cid)) { 11503 mounted = false; 11504 } 11505 } 11506 if (!mounted && delete) { 11507 cleanUpResourcesLI(allCodePaths); 11508 } 11509 return !mounted; 11510 } 11511 11512 @Override 11513 int doPreCopy() { 11514 if (isFwdLocked()) { 11515 if (!PackageHelper.fixSdPermissions(cid, 11516 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11517 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11518 } 11519 } 11520 11521 return PackageManager.INSTALL_SUCCEEDED; 11522 } 11523 11524 @Override 11525 int doPostCopy(int uid) { 11526 if (isFwdLocked()) { 11527 if (uid < Process.FIRST_APPLICATION_UID 11528 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11529 RES_FILE_NAME)) { 11530 Slog.e(TAG, "Failed to finalize " + cid); 11531 PackageHelper.destroySdDir(cid); 11532 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11533 } 11534 } 11535 11536 return PackageManager.INSTALL_SUCCEEDED; 11537 } 11538 } 11539 11540 /** 11541 * Logic to handle movement of existing installed applications. 11542 */ 11543 class MoveInstallArgs extends InstallArgs { 11544 private File codeFile; 11545 private File resourceFile; 11546 11547 /** New install */ 11548 MoveInstallArgs(InstallParams params) { 11549 super(params.origin, params.move, params.observer, params.installFlags, 11550 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11551 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11552 params.grantedRuntimePermissions); 11553 } 11554 11555 int copyApk(IMediaContainerService imcs, boolean temp) { 11556 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11557 + move.fromUuid + " to " + move.toUuid); 11558 synchronized (mInstaller) { 11559 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11560 move.dataAppName, move.appId, move.seinfo) != 0) { 11561 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11562 } 11563 } 11564 11565 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11566 resourceFile = codeFile; 11567 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11568 11569 return PackageManager.INSTALL_SUCCEEDED; 11570 } 11571 11572 int doPreInstall(int status) { 11573 if (status != PackageManager.INSTALL_SUCCEEDED) { 11574 cleanUp(move.toUuid); 11575 } 11576 return status; 11577 } 11578 11579 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11580 if (status != PackageManager.INSTALL_SUCCEEDED) { 11581 cleanUp(move.toUuid); 11582 return false; 11583 } 11584 11585 // Reflect the move in app info 11586 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11587 pkg.applicationInfo.setCodePath(pkg.codePath); 11588 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11589 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11590 pkg.applicationInfo.setResourcePath(pkg.codePath); 11591 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11592 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11593 11594 return true; 11595 } 11596 11597 int doPostInstall(int status, int uid) { 11598 if (status == PackageManager.INSTALL_SUCCEEDED) { 11599 cleanUp(move.fromUuid); 11600 } else { 11601 cleanUp(move.toUuid); 11602 } 11603 return status; 11604 } 11605 11606 @Override 11607 String getCodePath() { 11608 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11609 } 11610 11611 @Override 11612 String getResourcePath() { 11613 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11614 } 11615 11616 private boolean cleanUp(String volumeUuid) { 11617 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11618 move.dataAppName); 11619 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11620 synchronized (mInstallLock) { 11621 // Clean up both app data and code 11622 removeDataDirsLI(volumeUuid, move.packageName); 11623 if (codeFile.isDirectory()) { 11624 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11625 } else { 11626 codeFile.delete(); 11627 } 11628 } 11629 return true; 11630 } 11631 11632 void cleanUpResourcesLI() { 11633 throw new UnsupportedOperationException(); 11634 } 11635 11636 boolean doPostDeleteLI(boolean delete) { 11637 throw new UnsupportedOperationException(); 11638 } 11639 } 11640 11641 static String getAsecPackageName(String packageCid) { 11642 int idx = packageCid.lastIndexOf("-"); 11643 if (idx == -1) { 11644 return packageCid; 11645 } 11646 return packageCid.substring(0, idx); 11647 } 11648 11649 // Utility method used to create code paths based on package name and available index. 11650 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11651 String idxStr = ""; 11652 int idx = 1; 11653 // Fall back to default value of idx=1 if prefix is not 11654 // part of oldCodePath 11655 if (oldCodePath != null) { 11656 String subStr = oldCodePath; 11657 // Drop the suffix right away 11658 if (suffix != null && subStr.endsWith(suffix)) { 11659 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11660 } 11661 // If oldCodePath already contains prefix find out the 11662 // ending index to either increment or decrement. 11663 int sidx = subStr.lastIndexOf(prefix); 11664 if (sidx != -1) { 11665 subStr = subStr.substring(sidx + prefix.length()); 11666 if (subStr != null) { 11667 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11668 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11669 } 11670 try { 11671 idx = Integer.parseInt(subStr); 11672 if (idx <= 1) { 11673 idx++; 11674 } else { 11675 idx--; 11676 } 11677 } catch(NumberFormatException e) { 11678 } 11679 } 11680 } 11681 } 11682 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11683 return prefix + idxStr; 11684 } 11685 11686 private File getNextCodePath(File targetDir, String packageName) { 11687 int suffix = 1; 11688 File result; 11689 do { 11690 result = new File(targetDir, packageName + "-" + suffix); 11691 suffix++; 11692 } while (result.exists()); 11693 return result; 11694 } 11695 11696 // Utility method that returns the relative package path with respect 11697 // to the installation directory. Like say for /data/data/com.test-1.apk 11698 // string com.test-1 is returned. 11699 static String deriveCodePathName(String codePath) { 11700 if (codePath == null) { 11701 return null; 11702 } 11703 final File codeFile = new File(codePath); 11704 final String name = codeFile.getName(); 11705 if (codeFile.isDirectory()) { 11706 return name; 11707 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11708 final int lastDot = name.lastIndexOf('.'); 11709 return name.substring(0, lastDot); 11710 } else { 11711 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11712 return null; 11713 } 11714 } 11715 11716 class PackageInstalledInfo { 11717 String name; 11718 int uid; 11719 // The set of users that originally had this package installed. 11720 int[] origUsers; 11721 // The set of users that now have this package installed. 11722 int[] newUsers; 11723 PackageParser.Package pkg; 11724 int returnCode; 11725 String returnMsg; 11726 PackageRemovedInfo removedInfo; 11727 11728 public void setError(int code, String msg) { 11729 returnCode = code; 11730 returnMsg = msg; 11731 Slog.w(TAG, msg); 11732 } 11733 11734 public void setError(String msg, PackageParserException e) { 11735 returnCode = e.error; 11736 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11737 Slog.w(TAG, msg, e); 11738 } 11739 11740 public void setError(String msg, PackageManagerException e) { 11741 returnCode = e.error; 11742 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11743 Slog.w(TAG, msg, e); 11744 } 11745 11746 // In some error cases we want to convey more info back to the observer 11747 String origPackage; 11748 String origPermission; 11749 } 11750 11751 /* 11752 * Install a non-existing package. 11753 */ 11754 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11755 UserHandle user, String installerPackageName, String volumeUuid, 11756 PackageInstalledInfo res) { 11757 // Remember this for later, in case we need to rollback this install 11758 String pkgName = pkg.packageName; 11759 11760 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11761 final boolean dataDirExists = Environment 11762 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11763 synchronized(mPackages) { 11764 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11765 // A package with the same name is already installed, though 11766 // it has been renamed to an older name. The package we 11767 // are trying to install should be installed as an update to 11768 // the existing one, but that has not been requested, so bail. 11769 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11770 + " without first uninstalling package running as " 11771 + mSettings.mRenamedPackages.get(pkgName)); 11772 return; 11773 } 11774 if (mPackages.containsKey(pkgName)) { 11775 // Don't allow installation over an existing package with the same name. 11776 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11777 + " without first uninstalling."); 11778 return; 11779 } 11780 } 11781 11782 try { 11783 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11784 System.currentTimeMillis(), user); 11785 11786 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11787 // delete the partially installed application. the data directory will have to be 11788 // restored if it was already existing 11789 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11790 // remove package from internal structures. Note that we want deletePackageX to 11791 // delete the package data and cache directories that it created in 11792 // scanPackageLocked, unless those directories existed before we even tried to 11793 // install. 11794 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11795 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11796 res.removedInfo, true); 11797 } 11798 11799 } catch (PackageManagerException e) { 11800 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11801 } 11802 } 11803 11804 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11805 // Can't rotate keys during boot or if sharedUser. 11806 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11807 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11808 return false; 11809 } 11810 // app is using upgradeKeySets; make sure all are valid 11811 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11812 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11813 for (int i = 0; i < upgradeKeySets.length; i++) { 11814 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11815 Slog.wtf(TAG, "Package " 11816 + (oldPs.name != null ? oldPs.name : "<null>") 11817 + " contains upgrade-key-set reference to unknown key-set: " 11818 + upgradeKeySets[i] 11819 + " reverting to signatures check."); 11820 return false; 11821 } 11822 } 11823 return true; 11824 } 11825 11826 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11827 // Upgrade keysets are being used. Determine if new package has a superset of the 11828 // required keys. 11829 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11830 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11831 for (int i = 0; i < upgradeKeySets.length; i++) { 11832 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11833 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11834 return true; 11835 } 11836 } 11837 return false; 11838 } 11839 11840 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11841 UserHandle user, String installerPackageName, String volumeUuid, 11842 PackageInstalledInfo res) { 11843 final PackageParser.Package oldPackage; 11844 final String pkgName = pkg.packageName; 11845 final int[] allUsers; 11846 final boolean[] perUserInstalled; 11847 11848 // First find the old package info and check signatures 11849 synchronized(mPackages) { 11850 oldPackage = mPackages.get(pkgName); 11851 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11852 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11853 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11854 if(!checkUpgradeKeySetLP(ps, pkg)) { 11855 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11856 "New package not signed by keys specified by upgrade-keysets: " 11857 + pkgName); 11858 return; 11859 } 11860 } else { 11861 // default to original signature matching 11862 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11863 != PackageManager.SIGNATURE_MATCH) { 11864 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11865 "New package has a different signature: " + pkgName); 11866 return; 11867 } 11868 } 11869 11870 // In case of rollback, remember per-user/profile install state 11871 allUsers = sUserManager.getUserIds(); 11872 perUserInstalled = new boolean[allUsers.length]; 11873 for (int i = 0; i < allUsers.length; i++) { 11874 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11875 } 11876 } 11877 11878 boolean sysPkg = (isSystemApp(oldPackage)); 11879 if (sysPkg) { 11880 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11881 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11882 } else { 11883 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11884 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11885 } 11886 } 11887 11888 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11889 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11890 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11891 String volumeUuid, PackageInstalledInfo res) { 11892 String pkgName = deletedPackage.packageName; 11893 boolean deletedPkg = true; 11894 boolean updatedSettings = false; 11895 11896 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11897 + deletedPackage); 11898 long origUpdateTime; 11899 if (pkg.mExtras != null) { 11900 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11901 } else { 11902 origUpdateTime = 0; 11903 } 11904 11905 // First delete the existing package while retaining the data directory 11906 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11907 res.removedInfo, true)) { 11908 // If the existing package wasn't successfully deleted 11909 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11910 deletedPkg = false; 11911 } else { 11912 // Successfully deleted the old package; proceed with replace. 11913 11914 // If deleted package lived in a container, give users a chance to 11915 // relinquish resources before killing. 11916 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11917 if (DEBUG_INSTALL) { 11918 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11919 } 11920 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11921 final ArrayList<String> pkgList = new ArrayList<String>(1); 11922 pkgList.add(deletedPackage.applicationInfo.packageName); 11923 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11924 } 11925 11926 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11927 try { 11928 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11929 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11930 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11931 perUserInstalled, res, user); 11932 updatedSettings = true; 11933 } catch (PackageManagerException e) { 11934 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11935 } 11936 } 11937 11938 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11939 // remove package from internal structures. Note that we want deletePackageX to 11940 // delete the package data and cache directories that it created in 11941 // scanPackageLocked, unless those directories existed before we even tried to 11942 // install. 11943 if(updatedSettings) { 11944 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11945 deletePackageLI( 11946 pkgName, null, true, allUsers, perUserInstalled, 11947 PackageManager.DELETE_KEEP_DATA, 11948 res.removedInfo, true); 11949 } 11950 // Since we failed to install the new package we need to restore the old 11951 // package that we deleted. 11952 if (deletedPkg) { 11953 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11954 File restoreFile = new File(deletedPackage.codePath); 11955 // Parse old package 11956 boolean oldExternal = isExternal(deletedPackage); 11957 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11958 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11959 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11960 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11961 try { 11962 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11963 } catch (PackageManagerException e) { 11964 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11965 + e.getMessage()); 11966 return; 11967 } 11968 // Restore of old package succeeded. Update permissions. 11969 // writer 11970 synchronized (mPackages) { 11971 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11972 UPDATE_PERMISSIONS_ALL); 11973 // can downgrade to reader 11974 mSettings.writeLPr(); 11975 } 11976 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11977 } 11978 } 11979 } 11980 11981 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11982 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11983 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11984 String volumeUuid, PackageInstalledInfo res) { 11985 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11986 + ", old=" + deletedPackage); 11987 boolean disabledSystem = false; 11988 boolean updatedSettings = false; 11989 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11990 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11991 != 0) { 11992 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11993 } 11994 String packageName = deletedPackage.packageName; 11995 if (packageName == null) { 11996 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11997 "Attempt to delete null packageName."); 11998 return; 11999 } 12000 PackageParser.Package oldPkg; 12001 PackageSetting oldPkgSetting; 12002 // reader 12003 synchronized (mPackages) { 12004 oldPkg = mPackages.get(packageName); 12005 oldPkgSetting = mSettings.mPackages.get(packageName); 12006 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12007 (oldPkgSetting == null)) { 12008 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12009 "Couldn't find package:" + packageName + " information"); 12010 return; 12011 } 12012 } 12013 12014 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12015 12016 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12017 res.removedInfo.removedPackage = packageName; 12018 // Remove existing system package 12019 removePackageLI(oldPkgSetting, true); 12020 // writer 12021 synchronized (mPackages) { 12022 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12023 if (!disabledSystem && deletedPackage != null) { 12024 // We didn't need to disable the .apk as a current system package, 12025 // which means we are replacing another update that is already 12026 // installed. We need to make sure to delete the older one's .apk. 12027 res.removedInfo.args = createInstallArgsForExisting(0, 12028 deletedPackage.applicationInfo.getCodePath(), 12029 deletedPackage.applicationInfo.getResourcePath(), 12030 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12031 } else { 12032 res.removedInfo.args = null; 12033 } 12034 } 12035 12036 // Successfully disabled the old package. Now proceed with re-installation 12037 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12038 12039 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12040 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12041 12042 PackageParser.Package newPackage = null; 12043 try { 12044 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 12045 if (newPackage.mExtras != null) { 12046 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12047 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12048 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12049 12050 // is the update attempting to change shared user? that isn't going to work... 12051 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12052 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12053 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12054 + " to " + newPkgSetting.sharedUser); 12055 updatedSettings = true; 12056 } 12057 } 12058 12059 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12060 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12061 perUserInstalled, res, user); 12062 updatedSettings = true; 12063 } 12064 12065 } catch (PackageManagerException e) { 12066 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12067 } 12068 12069 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12070 // Re installation failed. Restore old information 12071 // Remove new pkg information 12072 if (newPackage != null) { 12073 removeInstalledPackageLI(newPackage, true); 12074 } 12075 // Add back the old system package 12076 try { 12077 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12078 } catch (PackageManagerException e) { 12079 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12080 } 12081 // Restore the old system information in Settings 12082 synchronized (mPackages) { 12083 if (disabledSystem) { 12084 mSettings.enableSystemPackageLPw(packageName); 12085 } 12086 if (updatedSettings) { 12087 mSettings.setInstallerPackageName(packageName, 12088 oldPkgSetting.installerPackageName); 12089 } 12090 mSettings.writeLPr(); 12091 } 12092 } 12093 } 12094 12095 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12096 // Collect all used permissions in the UID 12097 ArraySet<String> usedPermissions = new ArraySet<>(); 12098 final int packageCount = su.packages.size(); 12099 for (int i = 0; i < packageCount; i++) { 12100 PackageSetting ps = su.packages.valueAt(i); 12101 if (ps.pkg == null) { 12102 continue; 12103 } 12104 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12105 for (int j = 0; j < requestedPermCount; j++) { 12106 String permission = ps.pkg.requestedPermissions.get(j); 12107 BasePermission bp = mSettings.mPermissions.get(permission); 12108 if (bp != null) { 12109 usedPermissions.add(permission); 12110 } 12111 } 12112 } 12113 12114 PermissionsState permissionsState = su.getPermissionsState(); 12115 // Prune install permissions 12116 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12117 final int installPermCount = installPermStates.size(); 12118 for (int i = installPermCount - 1; i >= 0; i--) { 12119 PermissionState permissionState = installPermStates.get(i); 12120 if (!usedPermissions.contains(permissionState.getName())) { 12121 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12122 if (bp != null) { 12123 permissionsState.revokeInstallPermission(bp); 12124 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12125 PackageManager.MASK_PERMISSION_FLAGS, 0); 12126 } 12127 } 12128 } 12129 12130 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12131 12132 // Prune runtime permissions 12133 for (int userId : allUserIds) { 12134 List<PermissionState> runtimePermStates = permissionsState 12135 .getRuntimePermissionStates(userId); 12136 final int runtimePermCount = runtimePermStates.size(); 12137 for (int i = runtimePermCount - 1; i >= 0; i--) { 12138 PermissionState permissionState = runtimePermStates.get(i); 12139 if (!usedPermissions.contains(permissionState.getName())) { 12140 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12141 if (bp != null) { 12142 permissionsState.revokeRuntimePermission(bp, userId); 12143 permissionsState.updatePermissionFlags(bp, userId, 12144 PackageManager.MASK_PERMISSION_FLAGS, 0); 12145 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12146 runtimePermissionChangedUserIds, userId); 12147 } 12148 } 12149 } 12150 } 12151 12152 return runtimePermissionChangedUserIds; 12153 } 12154 12155 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12156 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12157 UserHandle user) { 12158 String pkgName = newPackage.packageName; 12159 synchronized (mPackages) { 12160 //write settings. the installStatus will be incomplete at this stage. 12161 //note that the new package setting would have already been 12162 //added to mPackages. It hasn't been persisted yet. 12163 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12164 mSettings.writeLPr(); 12165 } 12166 12167 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12168 12169 synchronized (mPackages) { 12170 updatePermissionsLPw(newPackage.packageName, newPackage, 12171 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12172 ? UPDATE_PERMISSIONS_ALL : 0)); 12173 // For system-bundled packages, we assume that installing an upgraded version 12174 // of the package implies that the user actually wants to run that new code, 12175 // so we enable the package. 12176 PackageSetting ps = mSettings.mPackages.get(pkgName); 12177 if (ps != null) { 12178 if (isSystemApp(newPackage)) { 12179 // NB: implicit assumption that system package upgrades apply to all users 12180 if (DEBUG_INSTALL) { 12181 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12182 } 12183 if (res.origUsers != null) { 12184 for (int userHandle : res.origUsers) { 12185 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12186 userHandle, installerPackageName); 12187 } 12188 } 12189 // Also convey the prior install/uninstall state 12190 if (allUsers != null && perUserInstalled != null) { 12191 for (int i = 0; i < allUsers.length; i++) { 12192 if (DEBUG_INSTALL) { 12193 Slog.d(TAG, " user " + allUsers[i] 12194 + " => " + perUserInstalled[i]); 12195 } 12196 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12197 } 12198 // these install state changes will be persisted in the 12199 // upcoming call to mSettings.writeLPr(). 12200 } 12201 } 12202 // It's implied that when a user requests installation, they want the app to be 12203 // installed and enabled. 12204 int userId = user.getIdentifier(); 12205 if (userId != UserHandle.USER_ALL) { 12206 ps.setInstalled(true, userId); 12207 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12208 } 12209 } 12210 res.name = pkgName; 12211 res.uid = newPackage.applicationInfo.uid; 12212 res.pkg = newPackage; 12213 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12214 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12215 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12216 //to update install status 12217 mSettings.writeLPr(); 12218 } 12219 } 12220 12221 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12222 final int installFlags = args.installFlags; 12223 final String installerPackageName = args.installerPackageName; 12224 final String volumeUuid = args.volumeUuid; 12225 final File tmpPackageFile = new File(args.getCodePath()); 12226 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12227 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12228 || (args.volumeUuid != null)); 12229 boolean replace = false; 12230 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12231 if (args.move != null) { 12232 // moving a complete application; perfom an initial scan on the new install location 12233 scanFlags |= SCAN_INITIAL; 12234 } 12235 // Result object to be returned 12236 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12237 12238 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12239 // Retrieve PackageSettings and parse package 12240 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12241 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12242 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12243 PackageParser pp = new PackageParser(); 12244 pp.setSeparateProcesses(mSeparateProcesses); 12245 pp.setDisplayMetrics(mMetrics); 12246 12247 final PackageParser.Package pkg; 12248 try { 12249 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12250 } catch (PackageParserException e) { 12251 res.setError("Failed parse during installPackageLI", e); 12252 return; 12253 } 12254 12255 // Mark that we have an install time CPU ABI override. 12256 pkg.cpuAbiOverride = args.abiOverride; 12257 12258 String pkgName = res.name = pkg.packageName; 12259 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12260 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12261 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12262 return; 12263 } 12264 } 12265 12266 try { 12267 pp.collectCertificates(pkg, parseFlags); 12268 pp.collectManifestDigest(pkg); 12269 } catch (PackageParserException e) { 12270 res.setError("Failed collect during installPackageLI", e); 12271 return; 12272 } 12273 12274 /* If the installer passed in a manifest digest, compare it now. */ 12275 if (args.manifestDigest != null) { 12276 if (DEBUG_INSTALL) { 12277 final String parsedManifest = pkg.manifestDigest == null ? "null" 12278 : pkg.manifestDigest.toString(); 12279 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12280 + parsedManifest); 12281 } 12282 12283 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12284 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12285 return; 12286 } 12287 } else if (DEBUG_INSTALL) { 12288 final String parsedManifest = pkg.manifestDigest == null 12289 ? "null" : pkg.manifestDigest.toString(); 12290 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12291 } 12292 12293 // Get rid of all references to package scan path via parser. 12294 pp = null; 12295 String oldCodePath = null; 12296 boolean systemApp = false; 12297 synchronized (mPackages) { 12298 // Check if installing already existing package 12299 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12300 String oldName = mSettings.mRenamedPackages.get(pkgName); 12301 if (pkg.mOriginalPackages != null 12302 && pkg.mOriginalPackages.contains(oldName) 12303 && mPackages.containsKey(oldName)) { 12304 // This package is derived from an original package, 12305 // and this device has been updating from that original 12306 // name. We must continue using the original name, so 12307 // rename the new package here. 12308 pkg.setPackageName(oldName); 12309 pkgName = pkg.packageName; 12310 replace = true; 12311 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12312 + oldName + " pkgName=" + pkgName); 12313 } else if (mPackages.containsKey(pkgName)) { 12314 // This package, under its official name, already exists 12315 // on the device; we should replace it. 12316 replace = true; 12317 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12318 } 12319 12320 // Prevent apps opting out from runtime permissions 12321 if (replace) { 12322 PackageParser.Package oldPackage = mPackages.get(pkgName); 12323 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12324 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12325 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12326 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12327 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12328 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12329 + " doesn't support runtime permissions but the old" 12330 + " target SDK " + oldTargetSdk + " does."); 12331 return; 12332 } 12333 } 12334 } 12335 12336 PackageSetting ps = mSettings.mPackages.get(pkgName); 12337 if (ps != null) { 12338 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12339 12340 // Quick sanity check that we're signed correctly if updating; 12341 // we'll check this again later when scanning, but we want to 12342 // bail early here before tripping over redefined permissions. 12343 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12344 if (!checkUpgradeKeySetLP(ps, pkg)) { 12345 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12346 + pkg.packageName + " upgrade keys do not match the " 12347 + "previously installed version"); 12348 return; 12349 } 12350 } else { 12351 try { 12352 verifySignaturesLP(ps, pkg); 12353 } catch (PackageManagerException e) { 12354 res.setError(e.error, e.getMessage()); 12355 return; 12356 } 12357 } 12358 12359 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12360 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12361 systemApp = (ps.pkg.applicationInfo.flags & 12362 ApplicationInfo.FLAG_SYSTEM) != 0; 12363 } 12364 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12365 } 12366 12367 // Check whether the newly-scanned package wants to define an already-defined perm 12368 int N = pkg.permissions.size(); 12369 for (int i = N-1; i >= 0; i--) { 12370 PackageParser.Permission perm = pkg.permissions.get(i); 12371 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12372 if (bp != null) { 12373 // If the defining package is signed with our cert, it's okay. This 12374 // also includes the "updating the same package" case, of course. 12375 // "updating same package" could also involve key-rotation. 12376 final boolean sigsOk; 12377 if (bp.sourcePackage.equals(pkg.packageName) 12378 && (bp.packageSetting instanceof PackageSetting) 12379 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12380 scanFlags))) { 12381 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12382 } else { 12383 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12384 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12385 } 12386 if (!sigsOk) { 12387 // If the owning package is the system itself, we log but allow 12388 // install to proceed; we fail the install on all other permission 12389 // redefinitions. 12390 if (!bp.sourcePackage.equals("android")) { 12391 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12392 + pkg.packageName + " attempting to redeclare permission " 12393 + perm.info.name + " already owned by " + bp.sourcePackage); 12394 res.origPermission = perm.info.name; 12395 res.origPackage = bp.sourcePackage; 12396 return; 12397 } else { 12398 Slog.w(TAG, "Package " + pkg.packageName 12399 + " attempting to redeclare system permission " 12400 + perm.info.name + "; ignoring new declaration"); 12401 pkg.permissions.remove(i); 12402 } 12403 } 12404 } 12405 } 12406 12407 } 12408 12409 if (systemApp && onExternal) { 12410 // Disable updates to system apps on sdcard 12411 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12412 "Cannot install updates to system apps on sdcard"); 12413 return; 12414 } 12415 12416 if (args.move != null) { 12417 // We did an in-place move, so dex is ready to roll 12418 scanFlags |= SCAN_NO_DEX; 12419 scanFlags |= SCAN_MOVE; 12420 12421 synchronized (mPackages) { 12422 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12423 if (ps == null) { 12424 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12425 "Missing settings for moved package " + pkgName); 12426 } 12427 12428 // We moved the entire application as-is, so bring over the 12429 // previously derived ABI information. 12430 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12431 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12432 } 12433 12434 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12435 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12436 scanFlags |= SCAN_NO_DEX; 12437 12438 try { 12439 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12440 true /* extract libs */); 12441 } catch (PackageManagerException pme) { 12442 Slog.e(TAG, "Error deriving application ABI", pme); 12443 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12444 return; 12445 } 12446 12447 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12448 int result = mPackageDexOptimizer 12449 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12450 false /* defer */, false /* inclDependencies */, 12451 true /*bootComplete*/, false /*useJit*/); 12452 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12453 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12454 return; 12455 } 12456 } 12457 12458 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12459 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12460 return; 12461 } 12462 12463 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12464 12465 if (replace) { 12466 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12467 installerPackageName, volumeUuid, res); 12468 } else { 12469 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12470 args.user, installerPackageName, volumeUuid, res); 12471 } 12472 synchronized (mPackages) { 12473 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12474 if (ps != null) { 12475 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12476 } 12477 } 12478 } 12479 12480 private void startIntentFilterVerifications(int userId, boolean replacing, 12481 PackageParser.Package pkg) { 12482 if (mIntentFilterVerifierComponent == null) { 12483 Slog.w(TAG, "No IntentFilter verification will not be done as " 12484 + "there is no IntentFilterVerifier available!"); 12485 return; 12486 } 12487 12488 final int verifierUid = getPackageUid( 12489 mIntentFilterVerifierComponent.getPackageName(), 12490 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12491 12492 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12493 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12494 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12495 mHandler.sendMessage(msg); 12496 } 12497 12498 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12499 PackageParser.Package pkg) { 12500 int size = pkg.activities.size(); 12501 if (size == 0) { 12502 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12503 "No activity, so no need to verify any IntentFilter!"); 12504 return; 12505 } 12506 12507 final boolean hasDomainURLs = hasDomainURLs(pkg); 12508 if (!hasDomainURLs) { 12509 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12510 "No domain URLs, so no need to verify any IntentFilter!"); 12511 return; 12512 } 12513 12514 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12515 + " if any IntentFilter from the " + size 12516 + " Activities needs verification ..."); 12517 12518 int count = 0; 12519 final String packageName = pkg.packageName; 12520 12521 synchronized (mPackages) { 12522 // If this is a new install and we see that we've already run verification for this 12523 // package, we have nothing to do: it means the state was restored from backup. 12524 if (!replacing) { 12525 IntentFilterVerificationInfo ivi = 12526 mSettings.getIntentFilterVerificationLPr(packageName); 12527 if (ivi != null) { 12528 if (DEBUG_DOMAIN_VERIFICATION) { 12529 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12530 + ivi.getStatusString()); 12531 } 12532 return; 12533 } 12534 } 12535 12536 // If any filters need to be verified, then all need to be. 12537 boolean needToVerify = false; 12538 for (PackageParser.Activity a : pkg.activities) { 12539 for (ActivityIntentInfo filter : a.intents) { 12540 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12541 if (DEBUG_DOMAIN_VERIFICATION) { 12542 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12543 } 12544 needToVerify = true; 12545 break; 12546 } 12547 } 12548 } 12549 12550 if (needToVerify) { 12551 final int verificationId = mIntentFilterVerificationToken++; 12552 for (PackageParser.Activity a : pkg.activities) { 12553 for (ActivityIntentInfo filter : a.intents) { 12554 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12555 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12556 "Verification needed for IntentFilter:" + filter.toString()); 12557 mIntentFilterVerifier.addOneIntentFilterVerification( 12558 verifierUid, userId, verificationId, filter, packageName); 12559 count++; 12560 } 12561 } 12562 } 12563 } 12564 } 12565 12566 if (count > 0) { 12567 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12568 + " IntentFilter verification" + (count > 1 ? "s" : "") 12569 + " for userId:" + userId); 12570 mIntentFilterVerifier.startVerifications(userId); 12571 } else { 12572 if (DEBUG_DOMAIN_VERIFICATION) { 12573 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12574 } 12575 } 12576 } 12577 12578 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12579 final ComponentName cn = filter.activity.getComponentName(); 12580 final String packageName = cn.getPackageName(); 12581 12582 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12583 packageName); 12584 if (ivi == null) { 12585 return true; 12586 } 12587 int status = ivi.getStatus(); 12588 switch (status) { 12589 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12590 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12591 return true; 12592 12593 default: 12594 // Nothing to do 12595 return false; 12596 } 12597 } 12598 12599 private static boolean isMultiArch(PackageSetting ps) { 12600 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12601 } 12602 12603 private static boolean isMultiArch(ApplicationInfo info) { 12604 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12605 } 12606 12607 private static boolean isExternal(PackageParser.Package pkg) { 12608 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12609 } 12610 12611 private static boolean isExternal(PackageSetting ps) { 12612 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12613 } 12614 12615 private static boolean isExternal(ApplicationInfo info) { 12616 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12617 } 12618 12619 private static boolean isSystemApp(PackageParser.Package pkg) { 12620 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12621 } 12622 12623 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12624 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12625 } 12626 12627 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12628 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12629 } 12630 12631 private static boolean isSystemApp(PackageSetting ps) { 12632 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12633 } 12634 12635 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12636 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12637 } 12638 12639 private int packageFlagsToInstallFlags(PackageSetting ps) { 12640 int installFlags = 0; 12641 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12642 // This existing package was an external ASEC install when we have 12643 // the external flag without a UUID 12644 installFlags |= PackageManager.INSTALL_EXTERNAL; 12645 } 12646 if (ps.isForwardLocked()) { 12647 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12648 } 12649 return installFlags; 12650 } 12651 12652 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 12653 if (isExternal(pkg)) { 12654 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12655 return StorageManager.UUID_PRIMARY_PHYSICAL; 12656 } else { 12657 return pkg.volumeUuid; 12658 } 12659 } else { 12660 return StorageManager.UUID_PRIVATE_INTERNAL; 12661 } 12662 } 12663 12664 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12665 if (isExternal(pkg)) { 12666 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12667 return mSettings.getExternalVersion(); 12668 } else { 12669 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12670 } 12671 } else { 12672 return mSettings.getInternalVersion(); 12673 } 12674 } 12675 12676 private void deleteTempPackageFiles() { 12677 final FilenameFilter filter = new FilenameFilter() { 12678 public boolean accept(File dir, String name) { 12679 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12680 } 12681 }; 12682 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12683 file.delete(); 12684 } 12685 } 12686 12687 @Override 12688 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12689 int flags) { 12690 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12691 flags); 12692 } 12693 12694 @Override 12695 public void deletePackage(final String packageName, 12696 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12697 mContext.enforceCallingOrSelfPermission( 12698 android.Manifest.permission.DELETE_PACKAGES, null); 12699 Preconditions.checkNotNull(packageName); 12700 Preconditions.checkNotNull(observer); 12701 final int uid = Binder.getCallingUid(); 12702 if (UserHandle.getUserId(uid) != userId) { 12703 mContext.enforceCallingPermission( 12704 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12705 "deletePackage for user " + userId); 12706 } 12707 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12708 try { 12709 observer.onPackageDeleted(packageName, 12710 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12711 } catch (RemoteException re) { 12712 } 12713 return; 12714 } 12715 12716 boolean uninstallBlocked = false; 12717 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12718 int[] users = sUserManager.getUserIds(); 12719 for (int i = 0; i < users.length; ++i) { 12720 if (getBlockUninstallForUser(packageName, users[i])) { 12721 uninstallBlocked = true; 12722 break; 12723 } 12724 } 12725 } else { 12726 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12727 } 12728 if (uninstallBlocked) { 12729 try { 12730 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12731 null); 12732 } catch (RemoteException re) { 12733 } 12734 return; 12735 } 12736 12737 if (DEBUG_REMOVE) { 12738 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12739 } 12740 // Queue up an async operation since the package deletion may take a little while. 12741 mHandler.post(new Runnable() { 12742 public void run() { 12743 mHandler.removeCallbacks(this); 12744 final int returnCode = deletePackageX(packageName, userId, flags); 12745 if (observer != null) { 12746 try { 12747 observer.onPackageDeleted(packageName, returnCode, null); 12748 } catch (RemoteException e) { 12749 Log.i(TAG, "Observer no longer exists."); 12750 } //end catch 12751 } //end if 12752 } //end run 12753 }); 12754 } 12755 12756 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12757 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12758 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12759 try { 12760 if (dpm != null) { 12761 if (dpm.isDeviceOwner(packageName)) { 12762 return true; 12763 } 12764 int[] users; 12765 if (userId == UserHandle.USER_ALL) { 12766 users = sUserManager.getUserIds(); 12767 } else { 12768 users = new int[]{userId}; 12769 } 12770 for (int i = 0; i < users.length; ++i) { 12771 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12772 return true; 12773 } 12774 } 12775 } 12776 } catch (RemoteException e) { 12777 } 12778 return false; 12779 } 12780 12781 /** 12782 * This method is an internal method that could be get invoked either 12783 * to delete an installed package or to clean up a failed installation. 12784 * After deleting an installed package, a broadcast is sent to notify any 12785 * listeners that the package has been installed. For cleaning up a failed 12786 * installation, the broadcast is not necessary since the package's 12787 * installation wouldn't have sent the initial broadcast either 12788 * The key steps in deleting a package are 12789 * deleting the package information in internal structures like mPackages, 12790 * deleting the packages base directories through installd 12791 * updating mSettings to reflect current status 12792 * persisting settings for later use 12793 * sending a broadcast if necessary 12794 */ 12795 private int deletePackageX(String packageName, int userId, int flags) { 12796 final PackageRemovedInfo info = new PackageRemovedInfo(); 12797 final boolean res; 12798 12799 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12800 ? UserHandle.ALL : new UserHandle(userId); 12801 12802 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12803 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12804 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12805 } 12806 12807 boolean removedForAllUsers = false; 12808 boolean systemUpdate = false; 12809 12810 // for the uninstall-updates case and restricted profiles, remember the per- 12811 // userhandle installed state 12812 int[] allUsers; 12813 boolean[] perUserInstalled; 12814 synchronized (mPackages) { 12815 PackageSetting ps = mSettings.mPackages.get(packageName); 12816 allUsers = sUserManager.getUserIds(); 12817 perUserInstalled = new boolean[allUsers.length]; 12818 for (int i = 0; i < allUsers.length; i++) { 12819 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12820 } 12821 } 12822 12823 synchronized (mInstallLock) { 12824 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12825 res = deletePackageLI(packageName, removeForUser, 12826 true, allUsers, perUserInstalled, 12827 flags | REMOVE_CHATTY, info, true); 12828 systemUpdate = info.isRemovedPackageSystemUpdate; 12829 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12830 removedForAllUsers = true; 12831 } 12832 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12833 + " removedForAllUsers=" + removedForAllUsers); 12834 } 12835 12836 if (res) { 12837 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12838 12839 // If the removed package was a system update, the old system package 12840 // was re-enabled; we need to broadcast this information 12841 if (systemUpdate) { 12842 Bundle extras = new Bundle(1); 12843 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12844 ? info.removedAppId : info.uid); 12845 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12846 12847 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12848 extras, null, null, null); 12849 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12850 extras, null, null, null); 12851 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12852 null, packageName, null, null); 12853 } 12854 } 12855 // Force a gc here. 12856 Runtime.getRuntime().gc(); 12857 // Delete the resources here after sending the broadcast to let 12858 // other processes clean up before deleting resources. 12859 if (info.args != null) { 12860 synchronized (mInstallLock) { 12861 info.args.doPostDeleteLI(true); 12862 } 12863 } 12864 12865 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12866 } 12867 12868 class PackageRemovedInfo { 12869 String removedPackage; 12870 int uid = -1; 12871 int removedAppId = -1; 12872 int[] removedUsers = null; 12873 boolean isRemovedPackageSystemUpdate = false; 12874 // Clean up resources deleted packages. 12875 InstallArgs args = null; 12876 12877 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12878 Bundle extras = new Bundle(1); 12879 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12880 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12881 if (replacing) { 12882 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12883 } 12884 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12885 if (removedPackage != null) { 12886 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12887 extras, null, null, removedUsers); 12888 if (fullRemove && !replacing) { 12889 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12890 extras, null, null, removedUsers); 12891 } 12892 } 12893 if (removedAppId >= 0) { 12894 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12895 removedUsers); 12896 } 12897 } 12898 } 12899 12900 /* 12901 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12902 * flag is not set, the data directory is removed as well. 12903 * make sure this flag is set for partially installed apps. If not its meaningless to 12904 * delete a partially installed application. 12905 */ 12906 private void removePackageDataLI(PackageSetting ps, 12907 int[] allUserHandles, boolean[] perUserInstalled, 12908 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12909 String packageName = ps.name; 12910 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12911 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12912 // Retrieve object to delete permissions for shared user later on 12913 final PackageSetting deletedPs; 12914 // reader 12915 synchronized (mPackages) { 12916 deletedPs = mSettings.mPackages.get(packageName); 12917 if (outInfo != null) { 12918 outInfo.removedPackage = packageName; 12919 outInfo.removedUsers = deletedPs != null 12920 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12921 : null; 12922 } 12923 } 12924 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12925 removeDataDirsLI(ps.volumeUuid, packageName); 12926 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12927 } 12928 // writer 12929 synchronized (mPackages) { 12930 if (deletedPs != null) { 12931 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12932 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12933 clearDefaultBrowserIfNeeded(packageName); 12934 if (outInfo != null) { 12935 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12936 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12937 } 12938 updatePermissionsLPw(deletedPs.name, null, 0); 12939 if (deletedPs.sharedUser != null) { 12940 // Remove permissions associated with package. Since runtime 12941 // permissions are per user we have to kill the removed package 12942 // or packages running under the shared user of the removed 12943 // package if revoking the permissions requested only by the removed 12944 // package is successful and this causes a change in gids. 12945 for (int userId : UserManagerService.getInstance().getUserIds()) { 12946 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12947 userId); 12948 if (userIdToKill == UserHandle.USER_ALL 12949 || userIdToKill >= UserHandle.USER_OWNER) { 12950 // If gids changed for this user, kill all affected packages. 12951 mHandler.post(new Runnable() { 12952 @Override 12953 public void run() { 12954 // This has to happen with no lock held. 12955 killApplication(deletedPs.name, deletedPs.appId, 12956 KILL_APP_REASON_GIDS_CHANGED); 12957 } 12958 }); 12959 break; 12960 } 12961 } 12962 } 12963 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12964 } 12965 // make sure to preserve per-user disabled state if this removal was just 12966 // a downgrade of a system app to the factory package 12967 if (allUserHandles != null && perUserInstalled != null) { 12968 if (DEBUG_REMOVE) { 12969 Slog.d(TAG, "Propagating install state across downgrade"); 12970 } 12971 for (int i = 0; i < allUserHandles.length; i++) { 12972 if (DEBUG_REMOVE) { 12973 Slog.d(TAG, " user " + allUserHandles[i] 12974 + " => " + perUserInstalled[i]); 12975 } 12976 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12977 } 12978 } 12979 } 12980 // can downgrade to reader 12981 if (writeSettings) { 12982 // Save settings now 12983 mSettings.writeLPr(); 12984 } 12985 } 12986 if (outInfo != null) { 12987 // A user ID was deleted here. Go through all users and remove it 12988 // from KeyStore. 12989 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12990 } 12991 } 12992 12993 static boolean locationIsPrivileged(File path) { 12994 try { 12995 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12996 .getCanonicalPath(); 12997 return path.getCanonicalPath().startsWith(privilegedAppDir); 12998 } catch (IOException e) { 12999 Slog.e(TAG, "Unable to access code path " + path); 13000 } 13001 return false; 13002 } 13003 13004 /* 13005 * Tries to delete system package. 13006 */ 13007 private boolean deleteSystemPackageLI(PackageSetting newPs, 13008 int[] allUserHandles, boolean[] perUserInstalled, 13009 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13010 final boolean applyUserRestrictions 13011 = (allUserHandles != null) && (perUserInstalled != null); 13012 PackageSetting disabledPs = null; 13013 // Confirm if the system package has been updated 13014 // An updated system app can be deleted. This will also have to restore 13015 // the system pkg from system partition 13016 // reader 13017 synchronized (mPackages) { 13018 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13019 } 13020 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13021 + " disabledPs=" + disabledPs); 13022 if (disabledPs == null) { 13023 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13024 return false; 13025 } else if (DEBUG_REMOVE) { 13026 Slog.d(TAG, "Deleting system pkg from data partition"); 13027 } 13028 if (DEBUG_REMOVE) { 13029 if (applyUserRestrictions) { 13030 Slog.d(TAG, "Remembering install states:"); 13031 for (int i = 0; i < allUserHandles.length; i++) { 13032 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13033 } 13034 } 13035 } 13036 // Delete the updated package 13037 outInfo.isRemovedPackageSystemUpdate = true; 13038 if (disabledPs.versionCode < newPs.versionCode) { 13039 // Delete data for downgrades 13040 flags &= ~PackageManager.DELETE_KEEP_DATA; 13041 } else { 13042 // Preserve data by setting flag 13043 flags |= PackageManager.DELETE_KEEP_DATA; 13044 } 13045 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13046 allUserHandles, perUserInstalled, outInfo, writeSettings); 13047 if (!ret) { 13048 return false; 13049 } 13050 // writer 13051 synchronized (mPackages) { 13052 // Reinstate the old system package 13053 mSettings.enableSystemPackageLPw(newPs.name); 13054 // Remove any native libraries from the upgraded package. 13055 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13056 } 13057 // Install the system package 13058 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13059 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13060 if (locationIsPrivileged(disabledPs.codePath)) { 13061 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13062 } 13063 13064 final PackageParser.Package newPkg; 13065 try { 13066 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13067 } catch (PackageManagerException e) { 13068 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 13069 return false; 13070 } 13071 13072 // writer 13073 synchronized (mPackages) { 13074 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13075 13076 // Propagate the permissions state as we do not want to drop on the floor 13077 // runtime permissions. The update permissions method below will take 13078 // care of removing obsolete permissions and grant install permissions. 13079 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13080 updatePermissionsLPw(newPkg.packageName, newPkg, 13081 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13082 13083 if (applyUserRestrictions) { 13084 if (DEBUG_REMOVE) { 13085 Slog.d(TAG, "Propagating install state across reinstall"); 13086 } 13087 for (int i = 0; i < allUserHandles.length; i++) { 13088 if (DEBUG_REMOVE) { 13089 Slog.d(TAG, " user " + allUserHandles[i] 13090 + " => " + perUserInstalled[i]); 13091 } 13092 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13093 13094 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13095 } 13096 // Regardless of writeSettings we need to ensure that this restriction 13097 // state propagation is persisted 13098 mSettings.writeAllUsersPackageRestrictionsLPr(); 13099 } 13100 // can downgrade to reader here 13101 if (writeSettings) { 13102 mSettings.writeLPr(); 13103 } 13104 } 13105 return true; 13106 } 13107 13108 private boolean deleteInstalledPackageLI(PackageSetting ps, 13109 boolean deleteCodeAndResources, int flags, 13110 int[] allUserHandles, boolean[] perUserInstalled, 13111 PackageRemovedInfo outInfo, boolean writeSettings) { 13112 if (outInfo != null) { 13113 outInfo.uid = ps.appId; 13114 } 13115 13116 // Delete package data from internal structures and also remove data if flag is set 13117 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13118 13119 // Delete application code and resources 13120 if (deleteCodeAndResources && (outInfo != null)) { 13121 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13122 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13123 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13124 } 13125 return true; 13126 } 13127 13128 @Override 13129 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13130 int userId) { 13131 mContext.enforceCallingOrSelfPermission( 13132 android.Manifest.permission.DELETE_PACKAGES, null); 13133 synchronized (mPackages) { 13134 PackageSetting ps = mSettings.mPackages.get(packageName); 13135 if (ps == null) { 13136 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13137 return false; 13138 } 13139 if (!ps.getInstalled(userId)) { 13140 // Can't block uninstall for an app that is not installed or enabled. 13141 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13142 return false; 13143 } 13144 ps.setBlockUninstall(blockUninstall, userId); 13145 mSettings.writePackageRestrictionsLPr(userId); 13146 } 13147 return true; 13148 } 13149 13150 @Override 13151 public boolean getBlockUninstallForUser(String packageName, int userId) { 13152 synchronized (mPackages) { 13153 PackageSetting ps = mSettings.mPackages.get(packageName); 13154 if (ps == null) { 13155 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13156 return false; 13157 } 13158 return ps.getBlockUninstall(userId); 13159 } 13160 } 13161 13162 /* 13163 * This method handles package deletion in general 13164 */ 13165 private boolean deletePackageLI(String packageName, UserHandle user, 13166 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13167 int flags, PackageRemovedInfo outInfo, 13168 boolean writeSettings) { 13169 if (packageName == null) { 13170 Slog.w(TAG, "Attempt to delete null packageName."); 13171 return false; 13172 } 13173 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13174 PackageSetting ps; 13175 boolean dataOnly = false; 13176 int removeUser = -1; 13177 int appId = -1; 13178 synchronized (mPackages) { 13179 ps = mSettings.mPackages.get(packageName); 13180 if (ps == null) { 13181 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13182 return false; 13183 } 13184 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13185 && user.getIdentifier() != UserHandle.USER_ALL) { 13186 // The caller is asking that the package only be deleted for a single 13187 // user. To do this, we just mark its uninstalled state and delete 13188 // its data. If this is a system app, we only allow this to happen if 13189 // they have set the special DELETE_SYSTEM_APP which requests different 13190 // semantics than normal for uninstalling system apps. 13191 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13192 final int userId = user.getIdentifier(); 13193 ps.setUserState(userId, 13194 COMPONENT_ENABLED_STATE_DEFAULT, 13195 false, //installed 13196 true, //stopped 13197 true, //notLaunched 13198 false, //hidden 13199 null, null, null, 13200 false, // blockUninstall 13201 ps.readUserState(userId).domainVerificationStatus, 0); 13202 if (!isSystemApp(ps)) { 13203 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13204 // Other user still have this package installed, so all 13205 // we need to do is clear this user's data and save that 13206 // it is uninstalled. 13207 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13208 removeUser = user.getIdentifier(); 13209 appId = ps.appId; 13210 scheduleWritePackageRestrictionsLocked(removeUser); 13211 } else { 13212 // We need to set it back to 'installed' so the uninstall 13213 // broadcasts will be sent correctly. 13214 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13215 ps.setInstalled(true, user.getIdentifier()); 13216 } 13217 } else { 13218 // This is a system app, so we assume that the 13219 // other users still have this package installed, so all 13220 // we need to do is clear this user's data and save that 13221 // it is uninstalled. 13222 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13223 removeUser = user.getIdentifier(); 13224 appId = ps.appId; 13225 scheduleWritePackageRestrictionsLocked(removeUser); 13226 } 13227 } 13228 } 13229 13230 if (removeUser >= 0) { 13231 // From above, we determined that we are deleting this only 13232 // for a single user. Continue the work here. 13233 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13234 if (outInfo != null) { 13235 outInfo.removedPackage = packageName; 13236 outInfo.removedAppId = appId; 13237 outInfo.removedUsers = new int[] {removeUser}; 13238 } 13239 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13240 removeKeystoreDataIfNeeded(removeUser, appId); 13241 schedulePackageCleaning(packageName, removeUser, false); 13242 synchronized (mPackages) { 13243 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13244 scheduleWritePackageRestrictionsLocked(removeUser); 13245 } 13246 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13247 } 13248 return true; 13249 } 13250 13251 if (dataOnly) { 13252 // Delete application data first 13253 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13254 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13255 return true; 13256 } 13257 13258 boolean ret = false; 13259 if (isSystemApp(ps)) { 13260 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13261 // When an updated system application is deleted we delete the existing resources as well and 13262 // fall back to existing code in system partition 13263 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13264 flags, outInfo, writeSettings); 13265 } else { 13266 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13267 // Kill application pre-emptively especially for apps on sd. 13268 killApplication(packageName, ps.appId, "uninstall pkg"); 13269 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13270 allUserHandles, perUserInstalled, 13271 outInfo, writeSettings); 13272 } 13273 13274 return ret; 13275 } 13276 13277 private final class ClearStorageConnection implements ServiceConnection { 13278 IMediaContainerService mContainerService; 13279 13280 @Override 13281 public void onServiceConnected(ComponentName name, IBinder service) { 13282 synchronized (this) { 13283 mContainerService = IMediaContainerService.Stub.asInterface(service); 13284 notifyAll(); 13285 } 13286 } 13287 13288 @Override 13289 public void onServiceDisconnected(ComponentName name) { 13290 } 13291 } 13292 13293 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13294 final boolean mounted; 13295 if (Environment.isExternalStorageEmulated()) { 13296 mounted = true; 13297 } else { 13298 final String status = Environment.getExternalStorageState(); 13299 13300 mounted = status.equals(Environment.MEDIA_MOUNTED) 13301 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13302 } 13303 13304 if (!mounted) { 13305 return; 13306 } 13307 13308 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13309 int[] users; 13310 if (userId == UserHandle.USER_ALL) { 13311 users = sUserManager.getUserIds(); 13312 } else { 13313 users = new int[] { userId }; 13314 } 13315 final ClearStorageConnection conn = new ClearStorageConnection(); 13316 if (mContext.bindServiceAsUser( 13317 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13318 try { 13319 for (int curUser : users) { 13320 long timeout = SystemClock.uptimeMillis() + 5000; 13321 synchronized (conn) { 13322 long now = SystemClock.uptimeMillis(); 13323 while (conn.mContainerService == null && now < timeout) { 13324 try { 13325 conn.wait(timeout - now); 13326 } catch (InterruptedException e) { 13327 } 13328 } 13329 } 13330 if (conn.mContainerService == null) { 13331 return; 13332 } 13333 13334 final UserEnvironment userEnv = new UserEnvironment(curUser); 13335 clearDirectory(conn.mContainerService, 13336 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13337 if (allData) { 13338 clearDirectory(conn.mContainerService, 13339 userEnv.buildExternalStorageAppDataDirs(packageName)); 13340 clearDirectory(conn.mContainerService, 13341 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13342 } 13343 } 13344 } finally { 13345 mContext.unbindService(conn); 13346 } 13347 } 13348 } 13349 13350 @Override 13351 public void clearApplicationUserData(final String packageName, 13352 final IPackageDataObserver observer, final int userId) { 13353 mContext.enforceCallingOrSelfPermission( 13354 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13355 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13356 // Queue up an async operation since the package deletion may take a little while. 13357 mHandler.post(new Runnable() { 13358 public void run() { 13359 mHandler.removeCallbacks(this); 13360 final boolean succeeded; 13361 synchronized (mInstallLock) { 13362 succeeded = clearApplicationUserDataLI(packageName, userId); 13363 } 13364 clearExternalStorageDataSync(packageName, userId, true); 13365 if (succeeded) { 13366 // invoke DeviceStorageMonitor's update method to clear any notifications 13367 DeviceStorageMonitorInternal 13368 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13369 if (dsm != null) { 13370 dsm.checkMemory(); 13371 } 13372 } 13373 if(observer != null) { 13374 try { 13375 observer.onRemoveCompleted(packageName, succeeded); 13376 } catch (RemoteException e) { 13377 Log.i(TAG, "Observer no longer exists."); 13378 } 13379 } //end if observer 13380 } //end run 13381 }); 13382 } 13383 13384 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13385 if (packageName == null) { 13386 Slog.w(TAG, "Attempt to delete null packageName."); 13387 return false; 13388 } 13389 13390 // Try finding details about the requested package 13391 PackageParser.Package pkg; 13392 synchronized (mPackages) { 13393 pkg = mPackages.get(packageName); 13394 if (pkg == null) { 13395 final PackageSetting ps = mSettings.mPackages.get(packageName); 13396 if (ps != null) { 13397 pkg = ps.pkg; 13398 } 13399 } 13400 13401 if (pkg == null) { 13402 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13403 return false; 13404 } 13405 13406 PackageSetting ps = (PackageSetting) pkg.mExtras; 13407 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13408 } 13409 13410 // Always delete data directories for package, even if we found no other 13411 // record of app. This helps users recover from UID mismatches without 13412 // resorting to a full data wipe. 13413 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13414 if (retCode < 0) { 13415 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13416 return false; 13417 } 13418 13419 final int appId = pkg.applicationInfo.uid; 13420 removeKeystoreDataIfNeeded(userId, appId); 13421 13422 // Create a native library symlink only if we have native libraries 13423 // and if the native libraries are 32 bit libraries. We do not provide 13424 // this symlink for 64 bit libraries. 13425 if (pkg.applicationInfo.primaryCpuAbi != null && 13426 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13427 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13428 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13429 nativeLibPath, userId) < 0) { 13430 Slog.w(TAG, "Failed linking native library dir"); 13431 return false; 13432 } 13433 } 13434 13435 return true; 13436 } 13437 13438 /** 13439 * Reverts user permission state changes (permissions and flags) in 13440 * all packages for a given user. 13441 * 13442 * @param userId The device user for which to do a reset. 13443 */ 13444 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13445 final int packageCount = mPackages.size(); 13446 for (int i = 0; i < packageCount; i++) { 13447 PackageParser.Package pkg = mPackages.valueAt(i); 13448 PackageSetting ps = (PackageSetting) pkg.mExtras; 13449 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13450 } 13451 } 13452 13453 /** 13454 * Reverts user permission state changes (permissions and flags). 13455 * 13456 * @param ps The package for which to reset. 13457 * @param userId The device user for which to do a reset. 13458 */ 13459 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13460 final PackageSetting ps, final int userId) { 13461 if (ps.pkg == null) { 13462 return; 13463 } 13464 13465 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13466 | FLAG_PERMISSION_USER_FIXED 13467 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13468 13469 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13470 | FLAG_PERMISSION_POLICY_FIXED; 13471 13472 boolean writeInstallPermissions = false; 13473 boolean writeRuntimePermissions = false; 13474 13475 final int permissionCount = ps.pkg.requestedPermissions.size(); 13476 for (int i = 0; i < permissionCount; i++) { 13477 String permission = ps.pkg.requestedPermissions.get(i); 13478 13479 BasePermission bp = mSettings.mPermissions.get(permission); 13480 if (bp == null) { 13481 continue; 13482 } 13483 13484 // If shared user we just reset the state to which only this app contributed. 13485 if (ps.sharedUser != null) { 13486 boolean used = false; 13487 final int packageCount = ps.sharedUser.packages.size(); 13488 for (int j = 0; j < packageCount; j++) { 13489 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13490 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13491 && pkg.pkg.requestedPermissions.contains(permission)) { 13492 used = true; 13493 break; 13494 } 13495 } 13496 if (used) { 13497 continue; 13498 } 13499 } 13500 13501 PermissionsState permissionsState = ps.getPermissionsState(); 13502 13503 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13504 13505 // Always clear the user settable flags. 13506 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13507 bp.name) != null; 13508 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13509 if (hasInstallState) { 13510 writeInstallPermissions = true; 13511 } else { 13512 writeRuntimePermissions = true; 13513 } 13514 } 13515 13516 // Below is only runtime permission handling. 13517 if (!bp.isRuntime()) { 13518 continue; 13519 } 13520 13521 // Never clobber system or policy. 13522 if ((oldFlags & policyOrSystemFlags) != 0) { 13523 continue; 13524 } 13525 13526 // If this permission was granted by default, make sure it is. 13527 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13528 if (permissionsState.grantRuntimePermission(bp, userId) 13529 != PERMISSION_OPERATION_FAILURE) { 13530 writeRuntimePermissions = true; 13531 } 13532 } else { 13533 // Otherwise, reset the permission. 13534 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13535 switch (revokeResult) { 13536 case PERMISSION_OPERATION_SUCCESS: { 13537 writeRuntimePermissions = true; 13538 } break; 13539 13540 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13541 writeRuntimePermissions = true; 13542 final int appId = ps.appId; 13543 mHandler.post(new Runnable() { 13544 @Override 13545 public void run() { 13546 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13547 } 13548 }); 13549 } break; 13550 } 13551 } 13552 } 13553 13554 // Synchronously write as we are taking permissions away. 13555 if (writeRuntimePermissions) { 13556 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13557 } 13558 13559 // Synchronously write as we are taking permissions away. 13560 if (writeInstallPermissions) { 13561 mSettings.writeLPr(); 13562 } 13563 } 13564 13565 /** 13566 * Remove entries from the keystore daemon. Will only remove it if the 13567 * {@code appId} is valid. 13568 */ 13569 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13570 if (appId < 0) { 13571 return; 13572 } 13573 13574 final KeyStore keyStore = KeyStore.getInstance(); 13575 if (keyStore != null) { 13576 if (userId == UserHandle.USER_ALL) { 13577 for (final int individual : sUserManager.getUserIds()) { 13578 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13579 } 13580 } else { 13581 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13582 } 13583 } else { 13584 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13585 } 13586 } 13587 13588 @Override 13589 public void deleteApplicationCacheFiles(final String packageName, 13590 final IPackageDataObserver observer) { 13591 mContext.enforceCallingOrSelfPermission( 13592 android.Manifest.permission.DELETE_CACHE_FILES, null); 13593 // Queue up an async operation since the package deletion may take a little while. 13594 final int userId = UserHandle.getCallingUserId(); 13595 mHandler.post(new Runnable() { 13596 public void run() { 13597 mHandler.removeCallbacks(this); 13598 final boolean succeded; 13599 synchronized (mInstallLock) { 13600 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13601 } 13602 clearExternalStorageDataSync(packageName, userId, false); 13603 if (observer != null) { 13604 try { 13605 observer.onRemoveCompleted(packageName, succeded); 13606 } catch (RemoteException e) { 13607 Log.i(TAG, "Observer no longer exists."); 13608 } 13609 } //end if observer 13610 } //end run 13611 }); 13612 } 13613 13614 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13615 if (packageName == null) { 13616 Slog.w(TAG, "Attempt to delete null packageName."); 13617 return false; 13618 } 13619 PackageParser.Package p; 13620 synchronized (mPackages) { 13621 p = mPackages.get(packageName); 13622 } 13623 if (p == null) { 13624 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13625 return false; 13626 } 13627 final ApplicationInfo applicationInfo = p.applicationInfo; 13628 if (applicationInfo == null) { 13629 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13630 return false; 13631 } 13632 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13633 if (retCode < 0) { 13634 Slog.w(TAG, "Couldn't remove cache files for package: " 13635 + packageName + " u" + userId); 13636 return false; 13637 } 13638 return true; 13639 } 13640 13641 @Override 13642 public void getPackageSizeInfo(final String packageName, int userHandle, 13643 final IPackageStatsObserver observer) { 13644 mContext.enforceCallingOrSelfPermission( 13645 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13646 if (packageName == null) { 13647 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13648 } 13649 13650 PackageStats stats = new PackageStats(packageName, userHandle); 13651 13652 /* 13653 * Queue up an async operation since the package measurement may take a 13654 * little while. 13655 */ 13656 Message msg = mHandler.obtainMessage(INIT_COPY); 13657 msg.obj = new MeasureParams(stats, observer); 13658 mHandler.sendMessage(msg); 13659 } 13660 13661 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13662 PackageStats pStats) { 13663 if (packageName == null) { 13664 Slog.w(TAG, "Attempt to get size of null packageName."); 13665 return false; 13666 } 13667 PackageParser.Package p; 13668 boolean dataOnly = false; 13669 String libDirRoot = null; 13670 String asecPath = null; 13671 PackageSetting ps = null; 13672 synchronized (mPackages) { 13673 p = mPackages.get(packageName); 13674 ps = mSettings.mPackages.get(packageName); 13675 if(p == null) { 13676 dataOnly = true; 13677 if((ps == null) || (ps.pkg == null)) { 13678 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13679 return false; 13680 } 13681 p = ps.pkg; 13682 } 13683 if (ps != null) { 13684 libDirRoot = ps.legacyNativeLibraryPathString; 13685 } 13686 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 13687 final long token = Binder.clearCallingIdentity(); 13688 try { 13689 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13690 if (secureContainerId != null) { 13691 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13692 } 13693 } finally { 13694 Binder.restoreCallingIdentity(token); 13695 } 13696 } 13697 } 13698 String publicSrcDir = null; 13699 if(!dataOnly) { 13700 final ApplicationInfo applicationInfo = p.applicationInfo; 13701 if (applicationInfo == null) { 13702 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13703 return false; 13704 } 13705 if (p.isForwardLocked()) { 13706 publicSrcDir = applicationInfo.getBaseResourcePath(); 13707 } 13708 } 13709 // TODO: extend to measure size of split APKs 13710 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13711 // not just the first level. 13712 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13713 // just the primary. 13714 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13715 13716 String apkPath; 13717 File packageDir = new File(p.codePath); 13718 13719 if (packageDir.isDirectory() && p.canHaveOatDir()) { 13720 apkPath = packageDir.getAbsolutePath(); 13721 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 13722 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 13723 libDirRoot = null; 13724 } 13725 } else { 13726 apkPath = p.baseCodePath; 13727 } 13728 13729 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 13730 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13731 if (res < 0) { 13732 return false; 13733 } 13734 13735 // Fix-up for forward-locked applications in ASEC containers. 13736 if (!isExternal(p)) { 13737 pStats.codeSize += pStats.externalCodeSize; 13738 pStats.externalCodeSize = 0L; 13739 } 13740 13741 return true; 13742 } 13743 13744 13745 @Override 13746 public void addPackageToPreferred(String packageName) { 13747 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13748 } 13749 13750 @Override 13751 public void removePackageFromPreferred(String packageName) { 13752 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13753 } 13754 13755 @Override 13756 public List<PackageInfo> getPreferredPackages(int flags) { 13757 return new ArrayList<PackageInfo>(); 13758 } 13759 13760 private int getUidTargetSdkVersionLockedLPr(int uid) { 13761 Object obj = mSettings.getUserIdLPr(uid); 13762 if (obj instanceof SharedUserSetting) { 13763 final SharedUserSetting sus = (SharedUserSetting) obj; 13764 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13765 final Iterator<PackageSetting> it = sus.packages.iterator(); 13766 while (it.hasNext()) { 13767 final PackageSetting ps = it.next(); 13768 if (ps.pkg != null) { 13769 int v = ps.pkg.applicationInfo.targetSdkVersion; 13770 if (v < vers) vers = v; 13771 } 13772 } 13773 return vers; 13774 } else if (obj instanceof PackageSetting) { 13775 final PackageSetting ps = (PackageSetting) obj; 13776 if (ps.pkg != null) { 13777 return ps.pkg.applicationInfo.targetSdkVersion; 13778 } 13779 } 13780 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13781 } 13782 13783 @Override 13784 public void addPreferredActivity(IntentFilter filter, int match, 13785 ComponentName[] set, ComponentName activity, int userId) { 13786 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13787 "Adding preferred"); 13788 } 13789 13790 private void addPreferredActivityInternal(IntentFilter filter, int match, 13791 ComponentName[] set, ComponentName activity, boolean always, int userId, 13792 String opname) { 13793 // writer 13794 int callingUid = Binder.getCallingUid(); 13795 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13796 if (filter.countActions() == 0) { 13797 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13798 return; 13799 } 13800 synchronized (mPackages) { 13801 if (mContext.checkCallingOrSelfPermission( 13802 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13803 != PackageManager.PERMISSION_GRANTED) { 13804 if (getUidTargetSdkVersionLockedLPr(callingUid) 13805 < Build.VERSION_CODES.FROYO) { 13806 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13807 + callingUid); 13808 return; 13809 } 13810 mContext.enforceCallingOrSelfPermission( 13811 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13812 } 13813 13814 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13815 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13816 + userId + ":"); 13817 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13818 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13819 scheduleWritePackageRestrictionsLocked(userId); 13820 } 13821 } 13822 13823 @Override 13824 public void replacePreferredActivity(IntentFilter filter, int match, 13825 ComponentName[] set, ComponentName activity, int userId) { 13826 if (filter.countActions() != 1) { 13827 throw new IllegalArgumentException( 13828 "replacePreferredActivity expects filter to have only 1 action."); 13829 } 13830 if (filter.countDataAuthorities() != 0 13831 || filter.countDataPaths() != 0 13832 || filter.countDataSchemes() > 1 13833 || filter.countDataTypes() != 0) { 13834 throw new IllegalArgumentException( 13835 "replacePreferredActivity expects filter to have no data authorities, " + 13836 "paths, or types; and at most one scheme."); 13837 } 13838 13839 final int callingUid = Binder.getCallingUid(); 13840 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13841 synchronized (mPackages) { 13842 if (mContext.checkCallingOrSelfPermission( 13843 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13844 != PackageManager.PERMISSION_GRANTED) { 13845 if (getUidTargetSdkVersionLockedLPr(callingUid) 13846 < Build.VERSION_CODES.FROYO) { 13847 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13848 + Binder.getCallingUid()); 13849 return; 13850 } 13851 mContext.enforceCallingOrSelfPermission( 13852 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13853 } 13854 13855 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13856 if (pir != null) { 13857 // Get all of the existing entries that exactly match this filter. 13858 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13859 if (existing != null && existing.size() == 1) { 13860 PreferredActivity cur = existing.get(0); 13861 if (DEBUG_PREFERRED) { 13862 Slog.i(TAG, "Checking replace of preferred:"); 13863 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13864 if (!cur.mPref.mAlways) { 13865 Slog.i(TAG, " -- CUR; not mAlways!"); 13866 } else { 13867 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13868 Slog.i(TAG, " -- CUR: mSet=" 13869 + Arrays.toString(cur.mPref.mSetComponents)); 13870 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13871 Slog.i(TAG, " -- NEW: mMatch=" 13872 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13873 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13874 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13875 } 13876 } 13877 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13878 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13879 && cur.mPref.sameSet(set)) { 13880 // Setting the preferred activity to what it happens to be already 13881 if (DEBUG_PREFERRED) { 13882 Slog.i(TAG, "Replacing with same preferred activity " 13883 + cur.mPref.mShortComponent + " for user " 13884 + userId + ":"); 13885 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13886 } 13887 return; 13888 } 13889 } 13890 13891 if (existing != null) { 13892 if (DEBUG_PREFERRED) { 13893 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13894 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13895 } 13896 for (int i = 0; i < existing.size(); i++) { 13897 PreferredActivity pa = existing.get(i); 13898 if (DEBUG_PREFERRED) { 13899 Slog.i(TAG, "Removing existing preferred activity " 13900 + pa.mPref.mComponent + ":"); 13901 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13902 } 13903 pir.removeFilter(pa); 13904 } 13905 } 13906 } 13907 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13908 "Replacing preferred"); 13909 } 13910 } 13911 13912 @Override 13913 public void clearPackagePreferredActivities(String packageName) { 13914 final int uid = Binder.getCallingUid(); 13915 // writer 13916 synchronized (mPackages) { 13917 PackageParser.Package pkg = mPackages.get(packageName); 13918 if (pkg == null || pkg.applicationInfo.uid != uid) { 13919 if (mContext.checkCallingOrSelfPermission( 13920 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13921 != PackageManager.PERMISSION_GRANTED) { 13922 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13923 < Build.VERSION_CODES.FROYO) { 13924 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13925 + Binder.getCallingUid()); 13926 return; 13927 } 13928 mContext.enforceCallingOrSelfPermission( 13929 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13930 } 13931 } 13932 13933 int user = UserHandle.getCallingUserId(); 13934 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13935 scheduleWritePackageRestrictionsLocked(user); 13936 } 13937 } 13938 } 13939 13940 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13941 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13942 ArrayList<PreferredActivity> removed = null; 13943 boolean changed = false; 13944 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13945 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13946 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13947 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13948 continue; 13949 } 13950 Iterator<PreferredActivity> it = pir.filterIterator(); 13951 while (it.hasNext()) { 13952 PreferredActivity pa = it.next(); 13953 // Mark entry for removal only if it matches the package name 13954 // and the entry is of type "always". 13955 if (packageName == null || 13956 (pa.mPref.mComponent.getPackageName().equals(packageName) 13957 && pa.mPref.mAlways)) { 13958 if (removed == null) { 13959 removed = new ArrayList<PreferredActivity>(); 13960 } 13961 removed.add(pa); 13962 } 13963 } 13964 if (removed != null) { 13965 for (int j=0; j<removed.size(); j++) { 13966 PreferredActivity pa = removed.get(j); 13967 pir.removeFilter(pa); 13968 } 13969 changed = true; 13970 } 13971 } 13972 return changed; 13973 } 13974 13975 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13976 private void clearIntentFilterVerificationsLPw(int userId) { 13977 final int packageCount = mPackages.size(); 13978 for (int i = 0; i < packageCount; i++) { 13979 PackageParser.Package pkg = mPackages.valueAt(i); 13980 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 13981 } 13982 } 13983 13984 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13985 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13986 if (userId == UserHandle.USER_ALL) { 13987 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13988 sUserManager.getUserIds())) { 13989 for (int oneUserId : sUserManager.getUserIds()) { 13990 scheduleWritePackageRestrictionsLocked(oneUserId); 13991 } 13992 } 13993 } else { 13994 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13995 scheduleWritePackageRestrictionsLocked(userId); 13996 } 13997 } 13998 } 13999 14000 void clearDefaultBrowserIfNeeded(String packageName) { 14001 for (int oneUserId : sUserManager.getUserIds()) { 14002 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14003 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14004 if (packageName.equals(defaultBrowserPackageName)) { 14005 setDefaultBrowserPackageName(null, oneUserId); 14006 } 14007 } 14008 } 14009 14010 @Override 14011 public void resetApplicationPreferences(int userId) { 14012 mContext.enforceCallingOrSelfPermission( 14013 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14014 // writer 14015 synchronized (mPackages) { 14016 final long identity = Binder.clearCallingIdentity(); 14017 try { 14018 clearPackagePreferredActivitiesLPw(null, userId); 14019 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14020 // TODO: We have to reset the default SMS and Phone. This requires 14021 // significant refactoring to keep all default apps in the package 14022 // manager (cleaner but more work) or have the services provide 14023 // callbacks to the package manager to request a default app reset. 14024 applyFactoryDefaultBrowserLPw(userId); 14025 clearIntentFilterVerificationsLPw(userId); 14026 primeDomainVerificationsLPw(userId); 14027 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14028 scheduleWritePackageRestrictionsLocked(userId); 14029 } finally { 14030 Binder.restoreCallingIdentity(identity); 14031 } 14032 } 14033 } 14034 14035 @Override 14036 public int getPreferredActivities(List<IntentFilter> outFilters, 14037 List<ComponentName> outActivities, String packageName) { 14038 14039 int num = 0; 14040 final int userId = UserHandle.getCallingUserId(); 14041 // reader 14042 synchronized (mPackages) { 14043 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14044 if (pir != null) { 14045 final Iterator<PreferredActivity> it = pir.filterIterator(); 14046 while (it.hasNext()) { 14047 final PreferredActivity pa = it.next(); 14048 if (packageName == null 14049 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14050 && pa.mPref.mAlways)) { 14051 if (outFilters != null) { 14052 outFilters.add(new IntentFilter(pa)); 14053 } 14054 if (outActivities != null) { 14055 outActivities.add(pa.mPref.mComponent); 14056 } 14057 } 14058 } 14059 } 14060 } 14061 14062 return num; 14063 } 14064 14065 @Override 14066 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14067 int userId) { 14068 int callingUid = Binder.getCallingUid(); 14069 if (callingUid != Process.SYSTEM_UID) { 14070 throw new SecurityException( 14071 "addPersistentPreferredActivity can only be run by the system"); 14072 } 14073 if (filter.countActions() == 0) { 14074 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14075 return; 14076 } 14077 synchronized (mPackages) { 14078 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14079 " :"); 14080 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14081 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14082 new PersistentPreferredActivity(filter, activity)); 14083 scheduleWritePackageRestrictionsLocked(userId); 14084 } 14085 } 14086 14087 @Override 14088 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14089 int callingUid = Binder.getCallingUid(); 14090 if (callingUid != Process.SYSTEM_UID) { 14091 throw new SecurityException( 14092 "clearPackagePersistentPreferredActivities can only be run by the system"); 14093 } 14094 ArrayList<PersistentPreferredActivity> removed = null; 14095 boolean changed = false; 14096 synchronized (mPackages) { 14097 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14098 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14099 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14100 .valueAt(i); 14101 if (userId != thisUserId) { 14102 continue; 14103 } 14104 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14105 while (it.hasNext()) { 14106 PersistentPreferredActivity ppa = it.next(); 14107 // Mark entry for removal only if it matches the package name. 14108 if (ppa.mComponent.getPackageName().equals(packageName)) { 14109 if (removed == null) { 14110 removed = new ArrayList<PersistentPreferredActivity>(); 14111 } 14112 removed.add(ppa); 14113 } 14114 } 14115 if (removed != null) { 14116 for (int j=0; j<removed.size(); j++) { 14117 PersistentPreferredActivity ppa = removed.get(j); 14118 ppir.removeFilter(ppa); 14119 } 14120 changed = true; 14121 } 14122 } 14123 14124 if (changed) { 14125 scheduleWritePackageRestrictionsLocked(userId); 14126 } 14127 } 14128 } 14129 14130 /** 14131 * Common machinery for picking apart a restored XML blob and passing 14132 * it to a caller-supplied functor to be applied to the running system. 14133 */ 14134 private void restoreFromXml(XmlPullParser parser, int userId, 14135 String expectedStartTag, BlobXmlRestorer functor) 14136 throws IOException, XmlPullParserException { 14137 int type; 14138 while ((type = parser.next()) != XmlPullParser.START_TAG 14139 && type != XmlPullParser.END_DOCUMENT) { 14140 } 14141 if (type != XmlPullParser.START_TAG) { 14142 // oops didn't find a start tag?! 14143 if (DEBUG_BACKUP) { 14144 Slog.e(TAG, "Didn't find start tag during restore"); 14145 } 14146 return; 14147 } 14148 14149 // this is supposed to be TAG_PREFERRED_BACKUP 14150 if (!expectedStartTag.equals(parser.getName())) { 14151 if (DEBUG_BACKUP) { 14152 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14153 } 14154 return; 14155 } 14156 14157 // skip interfering stuff, then we're aligned with the backing implementation 14158 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14159 functor.apply(parser, userId); 14160 } 14161 14162 private interface BlobXmlRestorer { 14163 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14164 } 14165 14166 /** 14167 * Non-Binder method, support for the backup/restore mechanism: write the 14168 * full set of preferred activities in its canonical XML format. Returns the 14169 * XML output as a byte array, or null if there is none. 14170 */ 14171 @Override 14172 public byte[] getPreferredActivityBackup(int userId) { 14173 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14174 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14175 } 14176 14177 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14178 try { 14179 final XmlSerializer serializer = new FastXmlSerializer(); 14180 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14181 serializer.startDocument(null, true); 14182 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14183 14184 synchronized (mPackages) { 14185 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14186 } 14187 14188 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14189 serializer.endDocument(); 14190 serializer.flush(); 14191 } catch (Exception e) { 14192 if (DEBUG_BACKUP) { 14193 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14194 } 14195 return null; 14196 } 14197 14198 return dataStream.toByteArray(); 14199 } 14200 14201 @Override 14202 public void restorePreferredActivities(byte[] backup, int userId) { 14203 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14204 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14205 } 14206 14207 try { 14208 final XmlPullParser parser = Xml.newPullParser(); 14209 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14210 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14211 new BlobXmlRestorer() { 14212 @Override 14213 public void apply(XmlPullParser parser, int userId) 14214 throws XmlPullParserException, IOException { 14215 synchronized (mPackages) { 14216 mSettings.readPreferredActivitiesLPw(parser, userId); 14217 } 14218 } 14219 } ); 14220 } catch (Exception e) { 14221 if (DEBUG_BACKUP) { 14222 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14223 } 14224 } 14225 } 14226 14227 /** 14228 * Non-Binder method, support for the backup/restore mechanism: write the 14229 * default browser (etc) settings in its canonical XML format. Returns the default 14230 * browser XML representation as a byte array, or null if there is none. 14231 */ 14232 @Override 14233 public byte[] getDefaultAppsBackup(int userId) { 14234 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14235 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14236 } 14237 14238 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14239 try { 14240 final XmlSerializer serializer = new FastXmlSerializer(); 14241 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14242 serializer.startDocument(null, true); 14243 serializer.startTag(null, TAG_DEFAULT_APPS); 14244 14245 synchronized (mPackages) { 14246 mSettings.writeDefaultAppsLPr(serializer, userId); 14247 } 14248 14249 serializer.endTag(null, TAG_DEFAULT_APPS); 14250 serializer.endDocument(); 14251 serializer.flush(); 14252 } catch (Exception e) { 14253 if (DEBUG_BACKUP) { 14254 Slog.e(TAG, "Unable to write default apps for backup", e); 14255 } 14256 return null; 14257 } 14258 14259 return dataStream.toByteArray(); 14260 } 14261 14262 @Override 14263 public void restoreDefaultApps(byte[] backup, int userId) { 14264 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14265 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14266 } 14267 14268 try { 14269 final XmlPullParser parser = Xml.newPullParser(); 14270 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14271 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14272 new BlobXmlRestorer() { 14273 @Override 14274 public void apply(XmlPullParser parser, int userId) 14275 throws XmlPullParserException, IOException { 14276 synchronized (mPackages) { 14277 mSettings.readDefaultAppsLPw(parser, userId); 14278 } 14279 } 14280 } ); 14281 } catch (Exception e) { 14282 if (DEBUG_BACKUP) { 14283 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14284 } 14285 } 14286 } 14287 14288 @Override 14289 public byte[] getIntentFilterVerificationBackup(int userId) { 14290 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14291 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14292 } 14293 14294 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14295 try { 14296 final XmlSerializer serializer = new FastXmlSerializer(); 14297 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14298 serializer.startDocument(null, true); 14299 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14300 14301 synchronized (mPackages) { 14302 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14303 } 14304 14305 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14306 serializer.endDocument(); 14307 serializer.flush(); 14308 } catch (Exception e) { 14309 if (DEBUG_BACKUP) { 14310 Slog.e(TAG, "Unable to write default apps for backup", e); 14311 } 14312 return null; 14313 } 14314 14315 return dataStream.toByteArray(); 14316 } 14317 14318 @Override 14319 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14320 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14321 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14322 } 14323 14324 try { 14325 final XmlPullParser parser = Xml.newPullParser(); 14326 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14327 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14328 new BlobXmlRestorer() { 14329 @Override 14330 public void apply(XmlPullParser parser, int userId) 14331 throws XmlPullParserException, IOException { 14332 synchronized (mPackages) { 14333 mSettings.readAllDomainVerificationsLPr(parser, userId); 14334 mSettings.writeLPr(); 14335 } 14336 } 14337 } ); 14338 } catch (Exception e) { 14339 if (DEBUG_BACKUP) { 14340 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14341 } 14342 } 14343 } 14344 14345 @Override 14346 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14347 int sourceUserId, int targetUserId, int flags) { 14348 mContext.enforceCallingOrSelfPermission( 14349 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14350 int callingUid = Binder.getCallingUid(); 14351 enforceOwnerRights(ownerPackage, callingUid); 14352 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14353 if (intentFilter.countActions() == 0) { 14354 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14355 return; 14356 } 14357 synchronized (mPackages) { 14358 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14359 ownerPackage, targetUserId, flags); 14360 CrossProfileIntentResolver resolver = 14361 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14362 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14363 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14364 if (existing != null) { 14365 int size = existing.size(); 14366 for (int i = 0; i < size; i++) { 14367 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14368 return; 14369 } 14370 } 14371 } 14372 resolver.addFilter(newFilter); 14373 scheduleWritePackageRestrictionsLocked(sourceUserId); 14374 } 14375 } 14376 14377 @Override 14378 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14379 mContext.enforceCallingOrSelfPermission( 14380 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14381 int callingUid = Binder.getCallingUid(); 14382 enforceOwnerRights(ownerPackage, callingUid); 14383 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14384 synchronized (mPackages) { 14385 CrossProfileIntentResolver resolver = 14386 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14387 ArraySet<CrossProfileIntentFilter> set = 14388 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14389 for (CrossProfileIntentFilter filter : set) { 14390 if (filter.getOwnerPackage().equals(ownerPackage)) { 14391 resolver.removeFilter(filter); 14392 } 14393 } 14394 scheduleWritePackageRestrictionsLocked(sourceUserId); 14395 } 14396 } 14397 14398 // Enforcing that callingUid is owning pkg on userId 14399 private void enforceOwnerRights(String pkg, int callingUid) { 14400 // The system owns everything. 14401 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14402 return; 14403 } 14404 int callingUserId = UserHandle.getUserId(callingUid); 14405 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14406 if (pi == null) { 14407 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14408 + callingUserId); 14409 } 14410 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14411 throw new SecurityException("Calling uid " + callingUid 14412 + " does not own package " + pkg); 14413 } 14414 } 14415 14416 @Override 14417 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14418 Intent intent = new Intent(Intent.ACTION_MAIN); 14419 intent.addCategory(Intent.CATEGORY_HOME); 14420 14421 final int callingUserId = UserHandle.getCallingUserId(); 14422 List<ResolveInfo> list = queryIntentActivities(intent, null, 14423 PackageManager.GET_META_DATA, callingUserId); 14424 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14425 true, false, false, callingUserId); 14426 14427 allHomeCandidates.clear(); 14428 if (list != null) { 14429 for (ResolveInfo ri : list) { 14430 allHomeCandidates.add(ri); 14431 } 14432 } 14433 return (preferred == null || preferred.activityInfo == null) 14434 ? null 14435 : new ComponentName(preferred.activityInfo.packageName, 14436 preferred.activityInfo.name); 14437 } 14438 14439 @Override 14440 public void setApplicationEnabledSetting(String appPackageName, 14441 int newState, int flags, int userId, String callingPackage) { 14442 if (!sUserManager.exists(userId)) return; 14443 if (callingPackage == null) { 14444 callingPackage = Integer.toString(Binder.getCallingUid()); 14445 } 14446 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14447 } 14448 14449 @Override 14450 public void setComponentEnabledSetting(ComponentName componentName, 14451 int newState, int flags, int userId) { 14452 if (!sUserManager.exists(userId)) return; 14453 setEnabledSetting(componentName.getPackageName(), 14454 componentName.getClassName(), newState, flags, userId, null); 14455 } 14456 14457 private void setEnabledSetting(final String packageName, String className, int newState, 14458 final int flags, int userId, String callingPackage) { 14459 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14460 || newState == COMPONENT_ENABLED_STATE_ENABLED 14461 || newState == COMPONENT_ENABLED_STATE_DISABLED 14462 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14463 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14464 throw new IllegalArgumentException("Invalid new component state: " 14465 + newState); 14466 } 14467 PackageSetting pkgSetting; 14468 final int uid = Binder.getCallingUid(); 14469 final int permission = mContext.checkCallingOrSelfPermission( 14470 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14471 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14472 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14473 boolean sendNow = false; 14474 boolean isApp = (className == null); 14475 String componentName = isApp ? packageName : className; 14476 int packageUid = -1; 14477 ArrayList<String> components; 14478 14479 // writer 14480 synchronized (mPackages) { 14481 pkgSetting = mSettings.mPackages.get(packageName); 14482 if (pkgSetting == null) { 14483 if (className == null) { 14484 throw new IllegalArgumentException( 14485 "Unknown package: " + packageName); 14486 } 14487 throw new IllegalArgumentException( 14488 "Unknown component: " + packageName 14489 + "/" + className); 14490 } 14491 // Allow root and verify that userId is not being specified by a different user 14492 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14493 throw new SecurityException( 14494 "Permission Denial: attempt to change component state from pid=" 14495 + Binder.getCallingPid() 14496 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14497 } 14498 if (className == null) { 14499 // We're dealing with an application/package level state change 14500 if (pkgSetting.getEnabled(userId) == newState) { 14501 // Nothing to do 14502 return; 14503 } 14504 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14505 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14506 // Don't care about who enables an app. 14507 callingPackage = null; 14508 } 14509 pkgSetting.setEnabled(newState, userId, callingPackage); 14510 // pkgSetting.pkg.mSetEnabled = newState; 14511 } else { 14512 // We're dealing with a component level state change 14513 // First, verify that this is a valid class name. 14514 PackageParser.Package pkg = pkgSetting.pkg; 14515 if (pkg == null || !pkg.hasComponentClassName(className)) { 14516 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14517 throw new IllegalArgumentException("Component class " + className 14518 + " does not exist in " + packageName); 14519 } else { 14520 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14521 + className + " does not exist in " + packageName); 14522 } 14523 } 14524 switch (newState) { 14525 case COMPONENT_ENABLED_STATE_ENABLED: 14526 if (!pkgSetting.enableComponentLPw(className, userId)) { 14527 return; 14528 } 14529 break; 14530 case COMPONENT_ENABLED_STATE_DISABLED: 14531 if (!pkgSetting.disableComponentLPw(className, userId)) { 14532 return; 14533 } 14534 break; 14535 case COMPONENT_ENABLED_STATE_DEFAULT: 14536 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14537 return; 14538 } 14539 break; 14540 default: 14541 Slog.e(TAG, "Invalid new component state: " + newState); 14542 return; 14543 } 14544 } 14545 scheduleWritePackageRestrictionsLocked(userId); 14546 components = mPendingBroadcasts.get(userId, packageName); 14547 final boolean newPackage = components == null; 14548 if (newPackage) { 14549 components = new ArrayList<String>(); 14550 } 14551 if (!components.contains(componentName)) { 14552 components.add(componentName); 14553 } 14554 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14555 sendNow = true; 14556 // Purge entry from pending broadcast list if another one exists already 14557 // since we are sending one right away. 14558 mPendingBroadcasts.remove(userId, packageName); 14559 } else { 14560 if (newPackage) { 14561 mPendingBroadcasts.put(userId, packageName, components); 14562 } 14563 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14564 // Schedule a message 14565 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14566 } 14567 } 14568 } 14569 14570 long callingId = Binder.clearCallingIdentity(); 14571 try { 14572 if (sendNow) { 14573 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14574 sendPackageChangedBroadcast(packageName, 14575 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14576 } 14577 } finally { 14578 Binder.restoreCallingIdentity(callingId); 14579 } 14580 } 14581 14582 private void sendPackageChangedBroadcast(String packageName, 14583 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14584 if (DEBUG_INSTALL) 14585 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14586 + componentNames); 14587 Bundle extras = new Bundle(4); 14588 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14589 String nameList[] = new String[componentNames.size()]; 14590 componentNames.toArray(nameList); 14591 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14592 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14593 extras.putInt(Intent.EXTRA_UID, packageUid); 14594 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14595 new int[] {UserHandle.getUserId(packageUid)}); 14596 } 14597 14598 @Override 14599 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14600 if (!sUserManager.exists(userId)) return; 14601 final int uid = Binder.getCallingUid(); 14602 final int permission = mContext.checkCallingOrSelfPermission( 14603 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14604 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14605 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14606 // writer 14607 synchronized (mPackages) { 14608 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14609 allowedByPermission, uid, userId)) { 14610 scheduleWritePackageRestrictionsLocked(userId); 14611 } 14612 } 14613 } 14614 14615 @Override 14616 public String getInstallerPackageName(String packageName) { 14617 // reader 14618 synchronized (mPackages) { 14619 return mSettings.getInstallerPackageNameLPr(packageName); 14620 } 14621 } 14622 14623 @Override 14624 public int getApplicationEnabledSetting(String packageName, int userId) { 14625 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14626 int uid = Binder.getCallingUid(); 14627 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14628 // reader 14629 synchronized (mPackages) { 14630 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14631 } 14632 } 14633 14634 @Override 14635 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14636 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14637 int uid = Binder.getCallingUid(); 14638 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14639 // reader 14640 synchronized (mPackages) { 14641 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14642 } 14643 } 14644 14645 @Override 14646 public void enterSafeMode() { 14647 enforceSystemOrRoot("Only the system can request entering safe mode"); 14648 14649 if (!mSystemReady) { 14650 mSafeMode = true; 14651 } 14652 } 14653 14654 @Override 14655 public void systemReady() { 14656 mSystemReady = true; 14657 14658 // Read the compatibilty setting when the system is ready. 14659 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14660 mContext.getContentResolver(), 14661 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14662 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14663 if (DEBUG_SETTINGS) { 14664 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14665 } 14666 14667 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14668 14669 synchronized (mPackages) { 14670 // Verify that all of the preferred activity components actually 14671 // exist. It is possible for applications to be updated and at 14672 // that point remove a previously declared activity component that 14673 // had been set as a preferred activity. We try to clean this up 14674 // the next time we encounter that preferred activity, but it is 14675 // possible for the user flow to never be able to return to that 14676 // situation so here we do a sanity check to make sure we haven't 14677 // left any junk around. 14678 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14679 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14680 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14681 removed.clear(); 14682 for (PreferredActivity pa : pir.filterSet()) { 14683 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14684 removed.add(pa); 14685 } 14686 } 14687 if (removed.size() > 0) { 14688 for (int r=0; r<removed.size(); r++) { 14689 PreferredActivity pa = removed.get(r); 14690 Slog.w(TAG, "Removing dangling preferred activity: " 14691 + pa.mPref.mComponent); 14692 pir.removeFilter(pa); 14693 } 14694 mSettings.writePackageRestrictionsLPr( 14695 mSettings.mPreferredActivities.keyAt(i)); 14696 } 14697 } 14698 14699 for (int userId : UserManagerService.getInstance().getUserIds()) { 14700 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14701 grantPermissionsUserIds = ArrayUtils.appendInt( 14702 grantPermissionsUserIds, userId); 14703 } 14704 } 14705 } 14706 sUserManager.systemReady(); 14707 14708 // If we upgraded grant all default permissions before kicking off. 14709 for (int userId : grantPermissionsUserIds) { 14710 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14711 } 14712 14713 // Kick off any messages waiting for system ready 14714 if (mPostSystemReadyMessages != null) { 14715 for (Message msg : mPostSystemReadyMessages) { 14716 msg.sendToTarget(); 14717 } 14718 mPostSystemReadyMessages = null; 14719 } 14720 14721 // Watch for external volumes that come and go over time 14722 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14723 storage.registerListener(mStorageListener); 14724 14725 mInstallerService.systemReady(); 14726 mPackageDexOptimizer.systemReady(); 14727 14728 MountServiceInternal mountServiceInternal = LocalServices.getService( 14729 MountServiceInternal.class); 14730 mountServiceInternal.addExternalStoragePolicy( 14731 new MountServiceInternal.ExternalStorageMountPolicy() { 14732 @Override 14733 public int getMountMode(int uid, String packageName) { 14734 if (Process.isIsolated(uid)) { 14735 return Zygote.MOUNT_EXTERNAL_NONE; 14736 } 14737 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14738 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14739 } 14740 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14741 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14742 } 14743 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14744 return Zygote.MOUNT_EXTERNAL_READ; 14745 } 14746 return Zygote.MOUNT_EXTERNAL_WRITE; 14747 } 14748 14749 @Override 14750 public boolean hasExternalStorage(int uid, String packageName) { 14751 return true; 14752 } 14753 }); 14754 } 14755 14756 @Override 14757 public boolean isSafeMode() { 14758 return mSafeMode; 14759 } 14760 14761 @Override 14762 public boolean hasSystemUidErrors() { 14763 return mHasSystemUidErrors; 14764 } 14765 14766 static String arrayToString(int[] array) { 14767 StringBuffer buf = new StringBuffer(128); 14768 buf.append('['); 14769 if (array != null) { 14770 for (int i=0; i<array.length; i++) { 14771 if (i > 0) buf.append(", "); 14772 buf.append(array[i]); 14773 } 14774 } 14775 buf.append(']'); 14776 return buf.toString(); 14777 } 14778 14779 static class DumpState { 14780 public static final int DUMP_LIBS = 1 << 0; 14781 public static final int DUMP_FEATURES = 1 << 1; 14782 public static final int DUMP_RESOLVERS = 1 << 2; 14783 public static final int DUMP_PERMISSIONS = 1 << 3; 14784 public static final int DUMP_PACKAGES = 1 << 4; 14785 public static final int DUMP_SHARED_USERS = 1 << 5; 14786 public static final int DUMP_MESSAGES = 1 << 6; 14787 public static final int DUMP_PROVIDERS = 1 << 7; 14788 public static final int DUMP_VERIFIERS = 1 << 8; 14789 public static final int DUMP_PREFERRED = 1 << 9; 14790 public static final int DUMP_PREFERRED_XML = 1 << 10; 14791 public static final int DUMP_KEYSETS = 1 << 11; 14792 public static final int DUMP_VERSION = 1 << 12; 14793 public static final int DUMP_INSTALLS = 1 << 13; 14794 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14795 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14796 14797 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14798 14799 private int mTypes; 14800 14801 private int mOptions; 14802 14803 private boolean mTitlePrinted; 14804 14805 private SharedUserSetting mSharedUser; 14806 14807 public boolean isDumping(int type) { 14808 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14809 return true; 14810 } 14811 14812 return (mTypes & type) != 0; 14813 } 14814 14815 public void setDump(int type) { 14816 mTypes |= type; 14817 } 14818 14819 public boolean isOptionEnabled(int option) { 14820 return (mOptions & option) != 0; 14821 } 14822 14823 public void setOptionEnabled(int option) { 14824 mOptions |= option; 14825 } 14826 14827 public boolean onTitlePrinted() { 14828 final boolean printed = mTitlePrinted; 14829 mTitlePrinted = true; 14830 return printed; 14831 } 14832 14833 public boolean getTitlePrinted() { 14834 return mTitlePrinted; 14835 } 14836 14837 public void setTitlePrinted(boolean enabled) { 14838 mTitlePrinted = enabled; 14839 } 14840 14841 public SharedUserSetting getSharedUser() { 14842 return mSharedUser; 14843 } 14844 14845 public void setSharedUser(SharedUserSetting user) { 14846 mSharedUser = user; 14847 } 14848 } 14849 14850 @Override 14851 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14852 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14853 != PackageManager.PERMISSION_GRANTED) { 14854 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14855 + Binder.getCallingPid() 14856 + ", uid=" + Binder.getCallingUid() 14857 + " without permission " 14858 + android.Manifest.permission.DUMP); 14859 return; 14860 } 14861 14862 DumpState dumpState = new DumpState(); 14863 boolean fullPreferred = false; 14864 boolean checkin = false; 14865 14866 String packageName = null; 14867 ArraySet<String> permissionNames = null; 14868 14869 int opti = 0; 14870 while (opti < args.length) { 14871 String opt = args[opti]; 14872 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14873 break; 14874 } 14875 opti++; 14876 14877 if ("-a".equals(opt)) { 14878 // Right now we only know how to print all. 14879 } else if ("-h".equals(opt)) { 14880 pw.println("Package manager dump options:"); 14881 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14882 pw.println(" --checkin: dump for a checkin"); 14883 pw.println(" -f: print details of intent filters"); 14884 pw.println(" -h: print this help"); 14885 pw.println(" cmd may be one of:"); 14886 pw.println(" l[ibraries]: list known shared libraries"); 14887 pw.println(" f[ibraries]: list device features"); 14888 pw.println(" k[eysets]: print known keysets"); 14889 pw.println(" r[esolvers]: dump intent resolvers"); 14890 pw.println(" perm[issions]: dump permissions"); 14891 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14892 pw.println(" pref[erred]: print preferred package settings"); 14893 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14894 pw.println(" prov[iders]: dump content providers"); 14895 pw.println(" p[ackages]: dump installed packages"); 14896 pw.println(" s[hared-users]: dump shared user IDs"); 14897 pw.println(" m[essages]: print collected runtime messages"); 14898 pw.println(" v[erifiers]: print package verifier info"); 14899 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14900 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14901 pw.println(" version: print database version info"); 14902 pw.println(" write: write current settings now"); 14903 pw.println(" installs: details about install sessions"); 14904 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14905 pw.println(" <package.name>: info about given package"); 14906 return; 14907 } else if ("--checkin".equals(opt)) { 14908 checkin = true; 14909 } else if ("-f".equals(opt)) { 14910 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14911 } else { 14912 pw.println("Unknown argument: " + opt + "; use -h for help"); 14913 } 14914 } 14915 14916 // Is the caller requesting to dump a particular piece of data? 14917 if (opti < args.length) { 14918 String cmd = args[opti]; 14919 opti++; 14920 // Is this a package name? 14921 if ("android".equals(cmd) || cmd.contains(".")) { 14922 packageName = cmd; 14923 // When dumping a single package, we always dump all of its 14924 // filter information since the amount of data will be reasonable. 14925 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14926 } else if ("check-permission".equals(cmd)) { 14927 if (opti >= args.length) { 14928 pw.println("Error: check-permission missing permission argument"); 14929 return; 14930 } 14931 String perm = args[opti]; 14932 opti++; 14933 if (opti >= args.length) { 14934 pw.println("Error: check-permission missing package argument"); 14935 return; 14936 } 14937 String pkg = args[opti]; 14938 opti++; 14939 int user = UserHandle.getUserId(Binder.getCallingUid()); 14940 if (opti < args.length) { 14941 try { 14942 user = Integer.parseInt(args[opti]); 14943 } catch (NumberFormatException e) { 14944 pw.println("Error: check-permission user argument is not a number: " 14945 + args[opti]); 14946 return; 14947 } 14948 } 14949 pw.println(checkPermission(perm, pkg, user)); 14950 return; 14951 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14952 dumpState.setDump(DumpState.DUMP_LIBS); 14953 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14954 dumpState.setDump(DumpState.DUMP_FEATURES); 14955 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14956 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14957 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14958 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14959 } else if ("permission".equals(cmd)) { 14960 if (opti >= args.length) { 14961 pw.println("Error: permission requires permission name"); 14962 return; 14963 } 14964 permissionNames = new ArraySet<>(); 14965 while (opti < args.length) { 14966 permissionNames.add(args[opti]); 14967 opti++; 14968 } 14969 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14970 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14971 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14972 dumpState.setDump(DumpState.DUMP_PREFERRED); 14973 } else if ("preferred-xml".equals(cmd)) { 14974 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14975 if (opti < args.length && "--full".equals(args[opti])) { 14976 fullPreferred = true; 14977 opti++; 14978 } 14979 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14980 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14981 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14982 dumpState.setDump(DumpState.DUMP_PACKAGES); 14983 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14984 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14985 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14986 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14987 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14988 dumpState.setDump(DumpState.DUMP_MESSAGES); 14989 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14990 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14991 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14992 || "intent-filter-verifiers".equals(cmd)) { 14993 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14994 } else if ("version".equals(cmd)) { 14995 dumpState.setDump(DumpState.DUMP_VERSION); 14996 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14997 dumpState.setDump(DumpState.DUMP_KEYSETS); 14998 } else if ("installs".equals(cmd)) { 14999 dumpState.setDump(DumpState.DUMP_INSTALLS); 15000 } else if ("write".equals(cmd)) { 15001 synchronized (mPackages) { 15002 mSettings.writeLPr(); 15003 pw.println("Settings written."); 15004 return; 15005 } 15006 } 15007 } 15008 15009 if (checkin) { 15010 pw.println("vers,1"); 15011 } 15012 15013 // reader 15014 synchronized (mPackages) { 15015 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15016 if (!checkin) { 15017 if (dumpState.onTitlePrinted()) 15018 pw.println(); 15019 pw.println("Database versions:"); 15020 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15021 } 15022 } 15023 15024 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15025 if (!checkin) { 15026 if (dumpState.onTitlePrinted()) 15027 pw.println(); 15028 pw.println("Verifiers:"); 15029 pw.print(" Required: "); 15030 pw.print(mRequiredVerifierPackage); 15031 pw.print(" (uid="); 15032 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 15033 pw.println(")"); 15034 } else if (mRequiredVerifierPackage != null) { 15035 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15036 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 15037 } 15038 } 15039 15040 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15041 packageName == null) { 15042 if (mIntentFilterVerifierComponent != null) { 15043 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15044 if (!checkin) { 15045 if (dumpState.onTitlePrinted()) 15046 pw.println(); 15047 pw.println("Intent Filter Verifier:"); 15048 pw.print(" Using: "); 15049 pw.print(verifierPackageName); 15050 pw.print(" (uid="); 15051 pw.print(getPackageUid(verifierPackageName, 0)); 15052 pw.println(")"); 15053 } else if (verifierPackageName != null) { 15054 pw.print("ifv,"); pw.print(verifierPackageName); 15055 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 15056 } 15057 } else { 15058 pw.println(); 15059 pw.println("No Intent Filter Verifier available!"); 15060 } 15061 } 15062 15063 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15064 boolean printedHeader = false; 15065 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15066 while (it.hasNext()) { 15067 String name = it.next(); 15068 SharedLibraryEntry ent = mSharedLibraries.get(name); 15069 if (!checkin) { 15070 if (!printedHeader) { 15071 if (dumpState.onTitlePrinted()) 15072 pw.println(); 15073 pw.println("Libraries:"); 15074 printedHeader = true; 15075 } 15076 pw.print(" "); 15077 } else { 15078 pw.print("lib,"); 15079 } 15080 pw.print(name); 15081 if (!checkin) { 15082 pw.print(" -> "); 15083 } 15084 if (ent.path != null) { 15085 if (!checkin) { 15086 pw.print("(jar) "); 15087 pw.print(ent.path); 15088 } else { 15089 pw.print(",jar,"); 15090 pw.print(ent.path); 15091 } 15092 } else { 15093 if (!checkin) { 15094 pw.print("(apk) "); 15095 pw.print(ent.apk); 15096 } else { 15097 pw.print(",apk,"); 15098 pw.print(ent.apk); 15099 } 15100 } 15101 pw.println(); 15102 } 15103 } 15104 15105 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15106 if (dumpState.onTitlePrinted()) 15107 pw.println(); 15108 if (!checkin) { 15109 pw.println("Features:"); 15110 } 15111 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15112 while (it.hasNext()) { 15113 String name = it.next(); 15114 if (!checkin) { 15115 pw.print(" "); 15116 } else { 15117 pw.print("feat,"); 15118 } 15119 pw.println(name); 15120 } 15121 } 15122 15123 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15124 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15125 : "Activity Resolver Table:", " ", packageName, 15126 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15127 dumpState.setTitlePrinted(true); 15128 } 15129 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15130 : "Receiver Resolver Table:", " ", packageName, 15131 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15132 dumpState.setTitlePrinted(true); 15133 } 15134 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15135 : "Service Resolver Table:", " ", packageName, 15136 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15137 dumpState.setTitlePrinted(true); 15138 } 15139 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15140 : "Provider Resolver Table:", " ", packageName, 15141 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15142 dumpState.setTitlePrinted(true); 15143 } 15144 } 15145 15146 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15147 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15148 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15149 int user = mSettings.mPreferredActivities.keyAt(i); 15150 if (pir.dump(pw, 15151 dumpState.getTitlePrinted() 15152 ? "\nPreferred Activities User " + user + ":" 15153 : "Preferred Activities User " + user + ":", " ", 15154 packageName, true, false)) { 15155 dumpState.setTitlePrinted(true); 15156 } 15157 } 15158 } 15159 15160 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15161 pw.flush(); 15162 FileOutputStream fout = new FileOutputStream(fd); 15163 BufferedOutputStream str = new BufferedOutputStream(fout); 15164 XmlSerializer serializer = new FastXmlSerializer(); 15165 try { 15166 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15167 serializer.startDocument(null, true); 15168 serializer.setFeature( 15169 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15170 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15171 serializer.endDocument(); 15172 serializer.flush(); 15173 } catch (IllegalArgumentException e) { 15174 pw.println("Failed writing: " + e); 15175 } catch (IllegalStateException e) { 15176 pw.println("Failed writing: " + e); 15177 } catch (IOException e) { 15178 pw.println("Failed writing: " + e); 15179 } 15180 } 15181 15182 if (!checkin 15183 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15184 && packageName == null) { 15185 pw.println(); 15186 int count = mSettings.mPackages.size(); 15187 if (count == 0) { 15188 pw.println("No applications!"); 15189 pw.println(); 15190 } else { 15191 final String prefix = " "; 15192 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15193 if (allPackageSettings.size() == 0) { 15194 pw.println("No domain preferred apps!"); 15195 pw.println(); 15196 } else { 15197 pw.println("App verification status:"); 15198 pw.println(); 15199 count = 0; 15200 for (PackageSetting ps : allPackageSettings) { 15201 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15202 if (ivi == null || ivi.getPackageName() == null) continue; 15203 pw.println(prefix + "Package: " + ivi.getPackageName()); 15204 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15205 pw.println(prefix + "Status: " + ivi.getStatusString()); 15206 pw.println(); 15207 count++; 15208 } 15209 if (count == 0) { 15210 pw.println(prefix + "No app verification established."); 15211 pw.println(); 15212 } 15213 for (int userId : sUserManager.getUserIds()) { 15214 pw.println("App linkages for user " + userId + ":"); 15215 pw.println(); 15216 count = 0; 15217 for (PackageSetting ps : allPackageSettings) { 15218 final long status = ps.getDomainVerificationStatusForUser(userId); 15219 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15220 continue; 15221 } 15222 pw.println(prefix + "Package: " + ps.name); 15223 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15224 String statusStr = IntentFilterVerificationInfo. 15225 getStatusStringFromValue(status); 15226 pw.println(prefix + "Status: " + statusStr); 15227 pw.println(); 15228 count++; 15229 } 15230 if (count == 0) { 15231 pw.println(prefix + "No configured app linkages."); 15232 pw.println(); 15233 } 15234 } 15235 } 15236 } 15237 } 15238 15239 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15240 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15241 if (packageName == null && permissionNames == null) { 15242 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15243 if (iperm == 0) { 15244 if (dumpState.onTitlePrinted()) 15245 pw.println(); 15246 pw.println("AppOp Permissions:"); 15247 } 15248 pw.print(" AppOp Permission "); 15249 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15250 pw.println(":"); 15251 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15252 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15253 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15254 } 15255 } 15256 } 15257 } 15258 15259 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15260 boolean printedSomething = false; 15261 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15262 if (packageName != null && !packageName.equals(p.info.packageName)) { 15263 continue; 15264 } 15265 if (!printedSomething) { 15266 if (dumpState.onTitlePrinted()) 15267 pw.println(); 15268 pw.println("Registered ContentProviders:"); 15269 printedSomething = true; 15270 } 15271 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15272 pw.print(" "); pw.println(p.toString()); 15273 } 15274 printedSomething = false; 15275 for (Map.Entry<String, PackageParser.Provider> entry : 15276 mProvidersByAuthority.entrySet()) { 15277 PackageParser.Provider p = entry.getValue(); 15278 if (packageName != null && !packageName.equals(p.info.packageName)) { 15279 continue; 15280 } 15281 if (!printedSomething) { 15282 if (dumpState.onTitlePrinted()) 15283 pw.println(); 15284 pw.println("ContentProvider Authorities:"); 15285 printedSomething = true; 15286 } 15287 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15288 pw.print(" "); pw.println(p.toString()); 15289 if (p.info != null && p.info.applicationInfo != null) { 15290 final String appInfo = p.info.applicationInfo.toString(); 15291 pw.print(" applicationInfo="); pw.println(appInfo); 15292 } 15293 } 15294 } 15295 15296 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15297 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15298 } 15299 15300 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15301 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15302 } 15303 15304 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15305 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15306 } 15307 15308 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15309 // XXX should handle packageName != null by dumping only install data that 15310 // the given package is involved with. 15311 if (dumpState.onTitlePrinted()) pw.println(); 15312 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15313 } 15314 15315 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15316 if (dumpState.onTitlePrinted()) pw.println(); 15317 mSettings.dumpReadMessagesLPr(pw, dumpState); 15318 15319 pw.println(); 15320 pw.println("Package warning messages:"); 15321 BufferedReader in = null; 15322 String line = null; 15323 try { 15324 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15325 while ((line = in.readLine()) != null) { 15326 if (line.contains("ignored: updated version")) continue; 15327 pw.println(line); 15328 } 15329 } catch (IOException ignored) { 15330 } finally { 15331 IoUtils.closeQuietly(in); 15332 } 15333 } 15334 15335 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15336 BufferedReader in = null; 15337 String line = null; 15338 try { 15339 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15340 while ((line = in.readLine()) != null) { 15341 if (line.contains("ignored: updated version")) continue; 15342 pw.print("msg,"); 15343 pw.println(line); 15344 } 15345 } catch (IOException ignored) { 15346 } finally { 15347 IoUtils.closeQuietly(in); 15348 } 15349 } 15350 } 15351 } 15352 15353 private String dumpDomainString(String packageName) { 15354 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15355 List<IntentFilter> filters = getAllIntentFilters(packageName); 15356 15357 ArraySet<String> result = new ArraySet<>(); 15358 if (iviList.size() > 0) { 15359 for (IntentFilterVerificationInfo ivi : iviList) { 15360 for (String host : ivi.getDomains()) { 15361 result.add(host); 15362 } 15363 } 15364 } 15365 if (filters != null && filters.size() > 0) { 15366 for (IntentFilter filter : filters) { 15367 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15368 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15369 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15370 result.addAll(filter.getHostsList()); 15371 } 15372 } 15373 } 15374 15375 StringBuilder sb = new StringBuilder(result.size() * 16); 15376 for (String domain : result) { 15377 if (sb.length() > 0) sb.append(" "); 15378 sb.append(domain); 15379 } 15380 return sb.toString(); 15381 } 15382 15383 // ------- apps on sdcard specific code ------- 15384 static final boolean DEBUG_SD_INSTALL = false; 15385 15386 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15387 15388 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15389 15390 private boolean mMediaMounted = false; 15391 15392 static String getEncryptKey() { 15393 try { 15394 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15395 SD_ENCRYPTION_KEYSTORE_NAME); 15396 if (sdEncKey == null) { 15397 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15398 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15399 if (sdEncKey == null) { 15400 Slog.e(TAG, "Failed to create encryption keys"); 15401 return null; 15402 } 15403 } 15404 return sdEncKey; 15405 } catch (NoSuchAlgorithmException nsae) { 15406 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15407 return null; 15408 } catch (IOException ioe) { 15409 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15410 return null; 15411 } 15412 } 15413 15414 /* 15415 * Update media status on PackageManager. 15416 */ 15417 @Override 15418 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15419 int callingUid = Binder.getCallingUid(); 15420 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15421 throw new SecurityException("Media status can only be updated by the system"); 15422 } 15423 // reader; this apparently protects mMediaMounted, but should probably 15424 // be a different lock in that case. 15425 synchronized (mPackages) { 15426 Log.i(TAG, "Updating external media status from " 15427 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15428 + (mediaStatus ? "mounted" : "unmounted")); 15429 if (DEBUG_SD_INSTALL) 15430 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15431 + ", mMediaMounted=" + mMediaMounted); 15432 if (mediaStatus == mMediaMounted) { 15433 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15434 : 0, -1); 15435 mHandler.sendMessage(msg); 15436 return; 15437 } 15438 mMediaMounted = mediaStatus; 15439 } 15440 // Queue up an async operation since the package installation may take a 15441 // little while. 15442 mHandler.post(new Runnable() { 15443 public void run() { 15444 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15445 } 15446 }); 15447 } 15448 15449 /** 15450 * Called by MountService when the initial ASECs to scan are available. 15451 * Should block until all the ASEC containers are finished being scanned. 15452 */ 15453 public void scanAvailableAsecs() { 15454 updateExternalMediaStatusInner(true, false, false); 15455 if (mShouldRestoreconData) { 15456 SELinuxMMAC.setRestoreconDone(); 15457 mShouldRestoreconData = false; 15458 } 15459 } 15460 15461 /* 15462 * Collect information of applications on external media, map them against 15463 * existing containers and update information based on current mount status. 15464 * Please note that we always have to report status if reportStatus has been 15465 * set to true especially when unloading packages. 15466 */ 15467 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15468 boolean externalStorage) { 15469 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15470 int[] uidArr = EmptyArray.INT; 15471 15472 final String[] list = PackageHelper.getSecureContainerList(); 15473 if (ArrayUtils.isEmpty(list)) { 15474 Log.i(TAG, "No secure containers found"); 15475 } else { 15476 // Process list of secure containers and categorize them 15477 // as active or stale based on their package internal state. 15478 15479 // reader 15480 synchronized (mPackages) { 15481 for (String cid : list) { 15482 // Leave stages untouched for now; installer service owns them 15483 if (PackageInstallerService.isStageName(cid)) continue; 15484 15485 if (DEBUG_SD_INSTALL) 15486 Log.i(TAG, "Processing container " + cid); 15487 String pkgName = getAsecPackageName(cid); 15488 if (pkgName == null) { 15489 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15490 continue; 15491 } 15492 if (DEBUG_SD_INSTALL) 15493 Log.i(TAG, "Looking for pkg : " + pkgName); 15494 15495 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15496 if (ps == null) { 15497 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15498 continue; 15499 } 15500 15501 /* 15502 * Skip packages that are not external if we're unmounting 15503 * external storage. 15504 */ 15505 if (externalStorage && !isMounted && !isExternal(ps)) { 15506 continue; 15507 } 15508 15509 final AsecInstallArgs args = new AsecInstallArgs(cid, 15510 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15511 // The package status is changed only if the code path 15512 // matches between settings and the container id. 15513 if (ps.codePathString != null 15514 && ps.codePathString.startsWith(args.getCodePath())) { 15515 if (DEBUG_SD_INSTALL) { 15516 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15517 + " at code path: " + ps.codePathString); 15518 } 15519 15520 // We do have a valid package installed on sdcard 15521 processCids.put(args, ps.codePathString); 15522 final int uid = ps.appId; 15523 if (uid != -1) { 15524 uidArr = ArrayUtils.appendInt(uidArr, uid); 15525 } 15526 } else { 15527 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15528 + ps.codePathString); 15529 } 15530 } 15531 } 15532 15533 Arrays.sort(uidArr); 15534 } 15535 15536 // Process packages with valid entries. 15537 if (isMounted) { 15538 if (DEBUG_SD_INSTALL) 15539 Log.i(TAG, "Loading packages"); 15540 loadMediaPackages(processCids, uidArr, externalStorage); 15541 startCleaningPackages(); 15542 mInstallerService.onSecureContainersAvailable(); 15543 } else { 15544 if (DEBUG_SD_INSTALL) 15545 Log.i(TAG, "Unloading packages"); 15546 unloadMediaPackages(processCids, uidArr, reportStatus); 15547 } 15548 } 15549 15550 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15551 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15552 final int size = infos.size(); 15553 final String[] packageNames = new String[size]; 15554 final int[] packageUids = new int[size]; 15555 for (int i = 0; i < size; i++) { 15556 final ApplicationInfo info = infos.get(i); 15557 packageNames[i] = info.packageName; 15558 packageUids[i] = info.uid; 15559 } 15560 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15561 finishedReceiver); 15562 } 15563 15564 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15565 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15566 sendResourcesChangedBroadcast(mediaStatus, replacing, 15567 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15568 } 15569 15570 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15571 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15572 int size = pkgList.length; 15573 if (size > 0) { 15574 // Send broadcasts here 15575 Bundle extras = new Bundle(); 15576 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15577 if (uidArr != null) { 15578 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15579 } 15580 if (replacing) { 15581 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15582 } 15583 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15584 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15585 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15586 } 15587 } 15588 15589 /* 15590 * Look at potentially valid container ids from processCids If package 15591 * information doesn't match the one on record or package scanning fails, 15592 * the cid is added to list of removeCids. We currently don't delete stale 15593 * containers. 15594 */ 15595 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 15596 boolean externalStorage) { 15597 ArrayList<String> pkgList = new ArrayList<String>(); 15598 Set<AsecInstallArgs> keys = processCids.keySet(); 15599 15600 for (AsecInstallArgs args : keys) { 15601 String codePath = processCids.get(args); 15602 if (DEBUG_SD_INSTALL) 15603 Log.i(TAG, "Loading container : " + args.cid); 15604 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15605 try { 15606 // Make sure there are no container errors first. 15607 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15608 Slog.e(TAG, "Failed to mount cid : " + args.cid 15609 + " when installing from sdcard"); 15610 continue; 15611 } 15612 // Check code path here. 15613 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15614 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15615 + " does not match one in settings " + codePath); 15616 continue; 15617 } 15618 // Parse package 15619 int parseFlags = mDefParseFlags; 15620 if (args.isExternalAsec()) { 15621 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15622 } 15623 if (args.isFwdLocked()) { 15624 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15625 } 15626 15627 synchronized (mInstallLock) { 15628 PackageParser.Package pkg = null; 15629 try { 15630 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15631 } catch (PackageManagerException e) { 15632 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15633 } 15634 // Scan the package 15635 if (pkg != null) { 15636 /* 15637 * TODO why is the lock being held? doPostInstall is 15638 * called in other places without the lock. This needs 15639 * to be straightened out. 15640 */ 15641 // writer 15642 synchronized (mPackages) { 15643 retCode = PackageManager.INSTALL_SUCCEEDED; 15644 pkgList.add(pkg.packageName); 15645 // Post process args 15646 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15647 pkg.applicationInfo.uid); 15648 } 15649 } else { 15650 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15651 } 15652 } 15653 15654 } finally { 15655 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15656 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15657 } 15658 } 15659 } 15660 // writer 15661 synchronized (mPackages) { 15662 // If the platform SDK has changed since the last time we booted, 15663 // we need to re-grant app permission to catch any new ones that 15664 // appear. This is really a hack, and means that apps can in some 15665 // cases get permissions that the user didn't initially explicitly 15666 // allow... it would be nice to have some better way to handle 15667 // this situation. 15668 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 15669 : mSettings.getInternalVersion(); 15670 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 15671 : StorageManager.UUID_PRIVATE_INTERNAL; 15672 15673 int updateFlags = UPDATE_PERMISSIONS_ALL; 15674 if (ver.sdkVersion != mSdkVersion) { 15675 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15676 + mSdkVersion + "; regranting permissions for external"); 15677 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15678 } 15679 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 15680 15681 // Yay, everything is now upgraded 15682 ver.forceCurrent(); 15683 15684 // can downgrade to reader 15685 // Persist settings 15686 mSettings.writeLPr(); 15687 } 15688 // Send a broadcast to let everyone know we are done processing 15689 if (pkgList.size() > 0) { 15690 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15691 } 15692 } 15693 15694 /* 15695 * Utility method to unload a list of specified containers 15696 */ 15697 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15698 // Just unmount all valid containers. 15699 for (AsecInstallArgs arg : cidArgs) { 15700 synchronized (mInstallLock) { 15701 arg.doPostDeleteLI(false); 15702 } 15703 } 15704 } 15705 15706 /* 15707 * Unload packages mounted on external media. This involves deleting package 15708 * data from internal structures, sending broadcasts about diabled packages, 15709 * gc'ing to free up references, unmounting all secure containers 15710 * corresponding to packages on external media, and posting a 15711 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15712 * that we always have to post this message if status has been requested no 15713 * matter what. 15714 */ 15715 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15716 final boolean reportStatus) { 15717 if (DEBUG_SD_INSTALL) 15718 Log.i(TAG, "unloading media packages"); 15719 ArrayList<String> pkgList = new ArrayList<String>(); 15720 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15721 final Set<AsecInstallArgs> keys = processCids.keySet(); 15722 for (AsecInstallArgs args : keys) { 15723 String pkgName = args.getPackageName(); 15724 if (DEBUG_SD_INSTALL) 15725 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15726 // Delete package internally 15727 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15728 synchronized (mInstallLock) { 15729 boolean res = deletePackageLI(pkgName, null, false, null, null, 15730 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15731 if (res) { 15732 pkgList.add(pkgName); 15733 } else { 15734 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15735 failedList.add(args); 15736 } 15737 } 15738 } 15739 15740 // reader 15741 synchronized (mPackages) { 15742 // We didn't update the settings after removing each package; 15743 // write them now for all packages. 15744 mSettings.writeLPr(); 15745 } 15746 15747 // We have to absolutely send UPDATED_MEDIA_STATUS only 15748 // after confirming that all the receivers processed the ordered 15749 // broadcast when packages get disabled, force a gc to clean things up. 15750 // and unload all the containers. 15751 if (pkgList.size() > 0) { 15752 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15753 new IIntentReceiver.Stub() { 15754 public void performReceive(Intent intent, int resultCode, String data, 15755 Bundle extras, boolean ordered, boolean sticky, 15756 int sendingUser) throws RemoteException { 15757 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15758 reportStatus ? 1 : 0, 1, keys); 15759 mHandler.sendMessage(msg); 15760 } 15761 }); 15762 } else { 15763 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15764 keys); 15765 mHandler.sendMessage(msg); 15766 } 15767 } 15768 15769 private void loadPrivatePackages(final VolumeInfo vol) { 15770 mHandler.post(new Runnable() { 15771 @Override 15772 public void run() { 15773 loadPrivatePackagesInner(vol); 15774 } 15775 }); 15776 } 15777 15778 private void loadPrivatePackagesInner(VolumeInfo vol) { 15779 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15780 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15781 15782 final VersionInfo ver; 15783 final List<PackageSetting> packages; 15784 synchronized (mPackages) { 15785 ver = mSettings.findOrCreateVersion(vol.fsUuid); 15786 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15787 } 15788 15789 for (PackageSetting ps : packages) { 15790 synchronized (mInstallLock) { 15791 final PackageParser.Package pkg; 15792 try { 15793 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15794 loaded.add(pkg.applicationInfo); 15795 } catch (PackageManagerException e) { 15796 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15797 } 15798 15799 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15800 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15801 } 15802 } 15803 } 15804 15805 synchronized (mPackages) { 15806 int updateFlags = UPDATE_PERMISSIONS_ALL; 15807 if (ver.sdkVersion != mSdkVersion) { 15808 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15809 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15810 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15811 } 15812 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 15813 15814 // Yay, everything is now upgraded 15815 ver.forceCurrent(); 15816 15817 mSettings.writeLPr(); 15818 } 15819 15820 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15821 sendResourcesChangedBroadcast(true, false, loaded, null); 15822 } 15823 15824 private void unloadPrivatePackages(final VolumeInfo vol) { 15825 mHandler.post(new Runnable() { 15826 @Override 15827 public void run() { 15828 unloadPrivatePackagesInner(vol); 15829 } 15830 }); 15831 } 15832 15833 private void unloadPrivatePackagesInner(VolumeInfo vol) { 15834 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15835 synchronized (mInstallLock) { 15836 synchronized (mPackages) { 15837 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15838 for (PackageSetting ps : packages) { 15839 if (ps.pkg == null) continue; 15840 15841 final ApplicationInfo info = ps.pkg.applicationInfo; 15842 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15843 if (deletePackageLI(ps.name, null, false, null, null, 15844 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15845 unloaded.add(info); 15846 } else { 15847 Slog.w(TAG, "Failed to unload " + ps.codePath); 15848 } 15849 } 15850 15851 mSettings.writeLPr(); 15852 } 15853 } 15854 15855 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15856 sendResourcesChangedBroadcast(false, false, unloaded, null); 15857 } 15858 15859 /** 15860 * Examine all users present on given mounted volume, and destroy data 15861 * belonging to users that are no longer valid, or whose user ID has been 15862 * recycled. 15863 */ 15864 private void reconcileUsers(String volumeUuid) { 15865 final File[] files = FileUtils 15866 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15867 for (File file : files) { 15868 if (!file.isDirectory()) continue; 15869 15870 final int userId; 15871 final UserInfo info; 15872 try { 15873 userId = Integer.parseInt(file.getName()); 15874 info = sUserManager.getUserInfo(userId); 15875 } catch (NumberFormatException e) { 15876 Slog.w(TAG, "Invalid user directory " + file); 15877 continue; 15878 } 15879 15880 boolean destroyUser = false; 15881 if (info == null) { 15882 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15883 + " because no matching user was found"); 15884 destroyUser = true; 15885 } else { 15886 try { 15887 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15888 } catch (IOException e) { 15889 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15890 + " because we failed to enforce serial number: " + e); 15891 destroyUser = true; 15892 } 15893 } 15894 15895 if (destroyUser) { 15896 synchronized (mInstallLock) { 15897 mInstaller.removeUserDataDirs(volumeUuid, userId); 15898 } 15899 } 15900 } 15901 15902 final UserManager um = mContext.getSystemService(UserManager.class); 15903 for (UserInfo user : um.getUsers()) { 15904 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15905 if (userDir.exists()) continue; 15906 15907 try { 15908 UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id); 15909 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15910 } catch (IOException e) { 15911 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15912 } 15913 } 15914 } 15915 15916 /** 15917 * Examine all apps present on given mounted volume, and destroy apps that 15918 * aren't expected, either due to uninstallation or reinstallation on 15919 * another volume. 15920 */ 15921 private void reconcileApps(String volumeUuid) { 15922 final File[] files = FileUtils 15923 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15924 for (File file : files) { 15925 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15926 && !PackageInstallerService.isStageName(file.getName()); 15927 if (!isPackage) { 15928 // Ignore entries which are not packages 15929 continue; 15930 } 15931 15932 boolean destroyApp = false; 15933 String packageName = null; 15934 try { 15935 final PackageLite pkg = PackageParser.parsePackageLite(file, 15936 PackageParser.PARSE_MUST_BE_APK); 15937 packageName = pkg.packageName; 15938 15939 synchronized (mPackages) { 15940 final PackageSetting ps = mSettings.mPackages.get(packageName); 15941 if (ps == null) { 15942 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15943 + volumeUuid + " because we found no install record"); 15944 destroyApp = true; 15945 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15946 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15947 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15948 destroyApp = true; 15949 } 15950 } 15951 15952 } catch (PackageParserException e) { 15953 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15954 destroyApp = true; 15955 } 15956 15957 if (destroyApp) { 15958 synchronized (mInstallLock) { 15959 if (packageName != null) { 15960 removeDataDirsLI(volumeUuid, packageName); 15961 } 15962 if (file.isDirectory()) { 15963 mInstaller.rmPackageDir(file.getAbsolutePath()); 15964 } else { 15965 file.delete(); 15966 } 15967 } 15968 } 15969 } 15970 } 15971 15972 private void unfreezePackage(String packageName) { 15973 synchronized (mPackages) { 15974 final PackageSetting ps = mSettings.mPackages.get(packageName); 15975 if (ps != null) { 15976 ps.frozen = false; 15977 } 15978 } 15979 } 15980 15981 @Override 15982 public int movePackage(final String packageName, final String volumeUuid) { 15983 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15984 15985 final int moveId = mNextMoveId.getAndIncrement(); 15986 try { 15987 movePackageInternal(packageName, volumeUuid, moveId); 15988 } catch (PackageManagerException e) { 15989 Slog.w(TAG, "Failed to move " + packageName, e); 15990 mMoveCallbacks.notifyStatusChanged(moveId, 15991 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15992 } 15993 return moveId; 15994 } 15995 15996 private void movePackageInternal(final String packageName, final String volumeUuid, 15997 final int moveId) throws PackageManagerException { 15998 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15999 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16000 final PackageManager pm = mContext.getPackageManager(); 16001 16002 final boolean currentAsec; 16003 final String currentVolumeUuid; 16004 final File codeFile; 16005 final String installerPackageName; 16006 final String packageAbiOverride; 16007 final int appId; 16008 final String seinfo; 16009 final String label; 16010 16011 // reader 16012 synchronized (mPackages) { 16013 final PackageParser.Package pkg = mPackages.get(packageName); 16014 final PackageSetting ps = mSettings.mPackages.get(packageName); 16015 if (pkg == null || ps == null) { 16016 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16017 } 16018 16019 if (pkg.applicationInfo.isSystemApp()) { 16020 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16021 "Cannot move system application"); 16022 } 16023 16024 if (pkg.applicationInfo.isExternalAsec()) { 16025 currentAsec = true; 16026 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16027 } else if (pkg.applicationInfo.isForwardLocked()) { 16028 currentAsec = true; 16029 currentVolumeUuid = "forward_locked"; 16030 } else { 16031 currentAsec = false; 16032 currentVolumeUuid = ps.volumeUuid; 16033 16034 final File probe = new File(pkg.codePath); 16035 final File probeOat = new File(probe, "oat"); 16036 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16037 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16038 "Move only supported for modern cluster style installs"); 16039 } 16040 } 16041 16042 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16043 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16044 "Package already moved to " + volumeUuid); 16045 } 16046 16047 if (ps.frozen) { 16048 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16049 "Failed to move already frozen package"); 16050 } 16051 ps.frozen = true; 16052 16053 codeFile = new File(pkg.codePath); 16054 installerPackageName = ps.installerPackageName; 16055 packageAbiOverride = ps.cpuAbiOverrideString; 16056 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16057 seinfo = pkg.applicationInfo.seinfo; 16058 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16059 } 16060 16061 // Now that we're guarded by frozen state, kill app during move 16062 final long token = Binder.clearCallingIdentity(); 16063 try { 16064 killApplication(packageName, appId, "move pkg"); 16065 } finally { 16066 Binder.restoreCallingIdentity(token); 16067 } 16068 16069 final Bundle extras = new Bundle(); 16070 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16071 extras.putString(Intent.EXTRA_TITLE, label); 16072 mMoveCallbacks.notifyCreated(moveId, extras); 16073 16074 int installFlags; 16075 final boolean moveCompleteApp; 16076 final File measurePath; 16077 16078 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16079 installFlags = INSTALL_INTERNAL; 16080 moveCompleteApp = !currentAsec; 16081 measurePath = Environment.getDataAppDirectory(volumeUuid); 16082 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16083 installFlags = INSTALL_EXTERNAL; 16084 moveCompleteApp = false; 16085 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16086 } else { 16087 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16088 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16089 || !volume.isMountedWritable()) { 16090 unfreezePackage(packageName); 16091 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16092 "Move location not mounted private volume"); 16093 } 16094 16095 Preconditions.checkState(!currentAsec); 16096 16097 installFlags = INSTALL_INTERNAL; 16098 moveCompleteApp = true; 16099 measurePath = Environment.getDataAppDirectory(volumeUuid); 16100 } 16101 16102 final PackageStats stats = new PackageStats(null, -1); 16103 synchronized (mInstaller) { 16104 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16105 unfreezePackage(packageName); 16106 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16107 "Failed to measure package size"); 16108 } 16109 } 16110 16111 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16112 + stats.dataSize); 16113 16114 final long startFreeBytes = measurePath.getFreeSpace(); 16115 final long sizeBytes; 16116 if (moveCompleteApp) { 16117 sizeBytes = stats.codeSize + stats.dataSize; 16118 } else { 16119 sizeBytes = stats.codeSize; 16120 } 16121 16122 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16123 unfreezePackage(packageName); 16124 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16125 "Not enough free space to move"); 16126 } 16127 16128 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16129 16130 final CountDownLatch installedLatch = new CountDownLatch(1); 16131 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16132 @Override 16133 public void onUserActionRequired(Intent intent) throws RemoteException { 16134 throw new IllegalStateException(); 16135 } 16136 16137 @Override 16138 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16139 Bundle extras) throws RemoteException { 16140 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16141 + PackageManager.installStatusToString(returnCode, msg)); 16142 16143 installedLatch.countDown(); 16144 16145 // Regardless of success or failure of the move operation, 16146 // always unfreeze the package 16147 unfreezePackage(packageName); 16148 16149 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16150 switch (status) { 16151 case PackageInstaller.STATUS_SUCCESS: 16152 mMoveCallbacks.notifyStatusChanged(moveId, 16153 PackageManager.MOVE_SUCCEEDED); 16154 break; 16155 case PackageInstaller.STATUS_FAILURE_STORAGE: 16156 mMoveCallbacks.notifyStatusChanged(moveId, 16157 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16158 break; 16159 default: 16160 mMoveCallbacks.notifyStatusChanged(moveId, 16161 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16162 break; 16163 } 16164 } 16165 }; 16166 16167 final MoveInfo move; 16168 if (moveCompleteApp) { 16169 // Kick off a thread to report progress estimates 16170 new Thread() { 16171 @Override 16172 public void run() { 16173 while (true) { 16174 try { 16175 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16176 break; 16177 } 16178 } catch (InterruptedException ignored) { 16179 } 16180 16181 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16182 final int progress = 10 + (int) MathUtils.constrain( 16183 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16184 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16185 } 16186 } 16187 }.start(); 16188 16189 final String dataAppName = codeFile.getName(); 16190 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16191 dataAppName, appId, seinfo); 16192 } else { 16193 move = null; 16194 } 16195 16196 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16197 16198 final Message msg = mHandler.obtainMessage(INIT_COPY); 16199 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16200 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 16201 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16202 mHandler.sendMessage(msg); 16203 } 16204 16205 @Override 16206 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16207 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16208 16209 final int realMoveId = mNextMoveId.getAndIncrement(); 16210 final Bundle extras = new Bundle(); 16211 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16212 mMoveCallbacks.notifyCreated(realMoveId, extras); 16213 16214 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16215 @Override 16216 public void onCreated(int moveId, Bundle extras) { 16217 // Ignored 16218 } 16219 16220 @Override 16221 public void onStatusChanged(int moveId, int status, long estMillis) { 16222 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16223 } 16224 }; 16225 16226 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16227 storage.setPrimaryStorageUuid(volumeUuid, callback); 16228 return realMoveId; 16229 } 16230 16231 @Override 16232 public int getMoveStatus(int moveId) { 16233 mContext.enforceCallingOrSelfPermission( 16234 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16235 return mMoveCallbacks.mLastStatus.get(moveId); 16236 } 16237 16238 @Override 16239 public void registerMoveCallback(IPackageMoveObserver callback) { 16240 mContext.enforceCallingOrSelfPermission( 16241 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16242 mMoveCallbacks.register(callback); 16243 } 16244 16245 @Override 16246 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16247 mContext.enforceCallingOrSelfPermission( 16248 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16249 mMoveCallbacks.unregister(callback); 16250 } 16251 16252 @Override 16253 public boolean setInstallLocation(int loc) { 16254 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16255 null); 16256 if (getInstallLocation() == loc) { 16257 return true; 16258 } 16259 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16260 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16261 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16262 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16263 return true; 16264 } 16265 return false; 16266 } 16267 16268 @Override 16269 public int getInstallLocation() { 16270 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16271 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16272 PackageHelper.APP_INSTALL_AUTO); 16273 } 16274 16275 /** Called by UserManagerService */ 16276 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16277 mDirtyUsers.remove(userHandle); 16278 mSettings.removeUserLPw(userHandle); 16279 mPendingBroadcasts.remove(userHandle); 16280 if (mInstaller != null) { 16281 // Technically, we shouldn't be doing this with the package lock 16282 // held. However, this is very rare, and there is already so much 16283 // other disk I/O going on, that we'll let it slide for now. 16284 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16285 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16286 final String volumeUuid = vol.getFsUuid(); 16287 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16288 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16289 } 16290 } 16291 mUserNeedsBadging.delete(userHandle); 16292 removeUnusedPackagesLILPw(userManager, userHandle); 16293 } 16294 16295 /** 16296 * We're removing userHandle and would like to remove any downloaded packages 16297 * that are no longer in use by any other user. 16298 * @param userHandle the user being removed 16299 */ 16300 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16301 final boolean DEBUG_CLEAN_APKS = false; 16302 int [] users = userManager.getUserIdsLPr(); 16303 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16304 while (psit.hasNext()) { 16305 PackageSetting ps = psit.next(); 16306 if (ps.pkg == null) { 16307 continue; 16308 } 16309 final String packageName = ps.pkg.packageName; 16310 // Skip over if system app 16311 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16312 continue; 16313 } 16314 if (DEBUG_CLEAN_APKS) { 16315 Slog.i(TAG, "Checking package " + packageName); 16316 } 16317 boolean keep = false; 16318 for (int i = 0; i < users.length; i++) { 16319 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16320 keep = true; 16321 if (DEBUG_CLEAN_APKS) { 16322 Slog.i(TAG, " Keeping package " + packageName + " for user " 16323 + users[i]); 16324 } 16325 break; 16326 } 16327 } 16328 if (!keep) { 16329 if (DEBUG_CLEAN_APKS) { 16330 Slog.i(TAG, " Removing package " + packageName); 16331 } 16332 mHandler.post(new Runnable() { 16333 public void run() { 16334 deletePackageX(packageName, userHandle, 0); 16335 } //end run 16336 }); 16337 } 16338 } 16339 } 16340 16341 /** Called by UserManagerService */ 16342 void createNewUserLILPw(int userHandle) { 16343 if (mInstaller != null) { 16344 mInstaller.createUserConfig(userHandle); 16345 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16346 applyFactoryDefaultBrowserLPw(userHandle); 16347 primeDomainVerificationsLPw(userHandle); 16348 } 16349 } 16350 16351 void newUserCreated(final int userHandle) { 16352 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16353 } 16354 16355 @Override 16356 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16357 mContext.enforceCallingOrSelfPermission( 16358 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16359 "Only package verification agents can read the verifier device identity"); 16360 16361 synchronized (mPackages) { 16362 return mSettings.getVerifierDeviceIdentityLPw(); 16363 } 16364 } 16365 16366 @Override 16367 public void setPermissionEnforced(String permission, boolean enforced) { 16368 // TODO: Now that we no longer change GID for storage, this should to away. 16369 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16370 "setPermissionEnforced"); 16371 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16372 synchronized (mPackages) { 16373 if (mSettings.mReadExternalStorageEnforced == null 16374 || mSettings.mReadExternalStorageEnforced != enforced) { 16375 mSettings.mReadExternalStorageEnforced = enforced; 16376 mSettings.writeLPr(); 16377 } 16378 } 16379 // kill any non-foreground processes so we restart them and 16380 // grant/revoke the GID. 16381 final IActivityManager am = ActivityManagerNative.getDefault(); 16382 if (am != null) { 16383 final long token = Binder.clearCallingIdentity(); 16384 try { 16385 am.killProcessesBelowForeground("setPermissionEnforcement"); 16386 } catch (RemoteException e) { 16387 } finally { 16388 Binder.restoreCallingIdentity(token); 16389 } 16390 } 16391 } else { 16392 throw new IllegalArgumentException("No selective enforcement for " + permission); 16393 } 16394 } 16395 16396 @Override 16397 @Deprecated 16398 public boolean isPermissionEnforced(String permission) { 16399 return true; 16400 } 16401 16402 @Override 16403 public boolean isStorageLow() { 16404 final long token = Binder.clearCallingIdentity(); 16405 try { 16406 final DeviceStorageMonitorInternal 16407 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16408 if (dsm != null) { 16409 return dsm.isMemoryLow(); 16410 } else { 16411 return false; 16412 } 16413 } finally { 16414 Binder.restoreCallingIdentity(token); 16415 } 16416 } 16417 16418 @Override 16419 public IPackageInstaller getPackageInstaller() { 16420 return mInstallerService; 16421 } 16422 16423 private boolean userNeedsBadging(int userId) { 16424 int index = mUserNeedsBadging.indexOfKey(userId); 16425 if (index < 0) { 16426 final UserInfo userInfo; 16427 final long token = Binder.clearCallingIdentity(); 16428 try { 16429 userInfo = sUserManager.getUserInfo(userId); 16430 } finally { 16431 Binder.restoreCallingIdentity(token); 16432 } 16433 final boolean b; 16434 if (userInfo != null && userInfo.isManagedProfile()) { 16435 b = true; 16436 } else { 16437 b = false; 16438 } 16439 mUserNeedsBadging.put(userId, b); 16440 return b; 16441 } 16442 return mUserNeedsBadging.valueAt(index); 16443 } 16444 16445 @Override 16446 public KeySet getKeySetByAlias(String packageName, String alias) { 16447 if (packageName == null || alias == null) { 16448 return null; 16449 } 16450 synchronized(mPackages) { 16451 final PackageParser.Package pkg = mPackages.get(packageName); 16452 if (pkg == null) { 16453 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16454 throw new IllegalArgumentException("Unknown package: " + packageName); 16455 } 16456 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16457 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16458 } 16459 } 16460 16461 @Override 16462 public KeySet getSigningKeySet(String packageName) { 16463 if (packageName == null) { 16464 return null; 16465 } 16466 synchronized(mPackages) { 16467 final PackageParser.Package pkg = mPackages.get(packageName); 16468 if (pkg == null) { 16469 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16470 throw new IllegalArgumentException("Unknown package: " + packageName); 16471 } 16472 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16473 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16474 throw new SecurityException("May not access signing KeySet of other apps."); 16475 } 16476 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16477 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16478 } 16479 } 16480 16481 @Override 16482 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16483 if (packageName == null || ks == null) { 16484 return false; 16485 } 16486 synchronized(mPackages) { 16487 final PackageParser.Package pkg = mPackages.get(packageName); 16488 if (pkg == null) { 16489 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16490 throw new IllegalArgumentException("Unknown package: " + packageName); 16491 } 16492 IBinder ksh = ks.getToken(); 16493 if (ksh instanceof KeySetHandle) { 16494 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16495 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16496 } 16497 return false; 16498 } 16499 } 16500 16501 @Override 16502 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16503 if (packageName == null || ks == null) { 16504 return false; 16505 } 16506 synchronized(mPackages) { 16507 final PackageParser.Package pkg = mPackages.get(packageName); 16508 if (pkg == null) { 16509 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16510 throw new IllegalArgumentException("Unknown package: " + packageName); 16511 } 16512 IBinder ksh = ks.getToken(); 16513 if (ksh instanceof KeySetHandle) { 16514 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16515 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16516 } 16517 return false; 16518 } 16519 } 16520 16521 public void getUsageStatsIfNoPackageUsageInfo() { 16522 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16523 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16524 if (usm == null) { 16525 throw new IllegalStateException("UsageStatsManager must be initialized"); 16526 } 16527 long now = System.currentTimeMillis(); 16528 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16529 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16530 String packageName = entry.getKey(); 16531 PackageParser.Package pkg = mPackages.get(packageName); 16532 if (pkg == null) { 16533 continue; 16534 } 16535 UsageStats usage = entry.getValue(); 16536 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16537 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16538 } 16539 } 16540 } 16541 16542 /** 16543 * Check and throw if the given before/after packages would be considered a 16544 * downgrade. 16545 */ 16546 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16547 throws PackageManagerException { 16548 if (after.versionCode < before.mVersionCode) { 16549 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16550 "Update version code " + after.versionCode + " is older than current " 16551 + before.mVersionCode); 16552 } else if (after.versionCode == before.mVersionCode) { 16553 if (after.baseRevisionCode < before.baseRevisionCode) { 16554 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16555 "Update base revision code " + after.baseRevisionCode 16556 + " is older than current " + before.baseRevisionCode); 16557 } 16558 16559 if (!ArrayUtils.isEmpty(after.splitNames)) { 16560 for (int i = 0; i < after.splitNames.length; i++) { 16561 final String splitName = after.splitNames[i]; 16562 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16563 if (j != -1) { 16564 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16565 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16566 "Update split " + splitName + " revision code " 16567 + after.splitRevisionCodes[i] + " is older than current " 16568 + before.splitRevisionCodes[j]); 16569 } 16570 } 16571 } 16572 } 16573 } 16574 } 16575 16576 private static class MoveCallbacks extends Handler { 16577 private static final int MSG_CREATED = 1; 16578 private static final int MSG_STATUS_CHANGED = 2; 16579 16580 private final RemoteCallbackList<IPackageMoveObserver> 16581 mCallbacks = new RemoteCallbackList<>(); 16582 16583 private final SparseIntArray mLastStatus = new SparseIntArray(); 16584 16585 public MoveCallbacks(Looper looper) { 16586 super(looper); 16587 } 16588 16589 public void register(IPackageMoveObserver callback) { 16590 mCallbacks.register(callback); 16591 } 16592 16593 public void unregister(IPackageMoveObserver callback) { 16594 mCallbacks.unregister(callback); 16595 } 16596 16597 @Override 16598 public void handleMessage(Message msg) { 16599 final SomeArgs args = (SomeArgs) msg.obj; 16600 final int n = mCallbacks.beginBroadcast(); 16601 for (int i = 0; i < n; i++) { 16602 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16603 try { 16604 invokeCallback(callback, msg.what, args); 16605 } catch (RemoteException ignored) { 16606 } 16607 } 16608 mCallbacks.finishBroadcast(); 16609 args.recycle(); 16610 } 16611 16612 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16613 throws RemoteException { 16614 switch (what) { 16615 case MSG_CREATED: { 16616 callback.onCreated(args.argi1, (Bundle) args.arg2); 16617 break; 16618 } 16619 case MSG_STATUS_CHANGED: { 16620 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16621 break; 16622 } 16623 } 16624 } 16625 16626 private void notifyCreated(int moveId, Bundle extras) { 16627 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16628 16629 final SomeArgs args = SomeArgs.obtain(); 16630 args.argi1 = moveId; 16631 args.arg2 = extras; 16632 obtainMessage(MSG_CREATED, args).sendToTarget(); 16633 } 16634 16635 private void notifyStatusChanged(int moveId, int status) { 16636 notifyStatusChanged(moveId, status, -1); 16637 } 16638 16639 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16640 Slog.v(TAG, "Move " + moveId + " status " + status); 16641 16642 final SomeArgs args = SomeArgs.obtain(); 16643 args.argi1 = moveId; 16644 args.argi2 = status; 16645 args.arg3 = estMillis; 16646 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16647 16648 synchronized (mLastStatus) { 16649 mLastStatus.put(moveId, status); 16650 } 16651 } 16652 } 16653 16654 private final class OnPermissionChangeListeners extends Handler { 16655 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16656 16657 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16658 new RemoteCallbackList<>(); 16659 16660 public OnPermissionChangeListeners(Looper looper) { 16661 super(looper); 16662 } 16663 16664 @Override 16665 public void handleMessage(Message msg) { 16666 switch (msg.what) { 16667 case MSG_ON_PERMISSIONS_CHANGED: { 16668 final int uid = msg.arg1; 16669 handleOnPermissionsChanged(uid); 16670 } break; 16671 } 16672 } 16673 16674 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16675 mPermissionListeners.register(listener); 16676 16677 } 16678 16679 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16680 mPermissionListeners.unregister(listener); 16681 } 16682 16683 public void onPermissionsChanged(int uid) { 16684 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16685 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16686 } 16687 } 16688 16689 private void handleOnPermissionsChanged(int uid) { 16690 final int count = mPermissionListeners.beginBroadcast(); 16691 try { 16692 for (int i = 0; i < count; i++) { 16693 IOnPermissionsChangeListener callback = mPermissionListeners 16694 .getBroadcastItem(i); 16695 try { 16696 callback.onPermissionsChanged(uid); 16697 } catch (RemoteException e) { 16698 Log.e(TAG, "Permission listener is dead", e); 16699 } 16700 } 16701 } finally { 16702 mPermissionListeners.finishBroadcast(); 16703 } 16704 } 16705 } 16706 16707 private class PackageManagerInternalImpl extends PackageManagerInternal { 16708 @Override 16709 public void setLocationPackagesProvider(PackagesProvider provider) { 16710 synchronized (mPackages) { 16711 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16712 } 16713 } 16714 16715 @Override 16716 public void setImePackagesProvider(PackagesProvider provider) { 16717 synchronized (mPackages) { 16718 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16719 } 16720 } 16721 16722 @Override 16723 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16724 synchronized (mPackages) { 16725 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16726 } 16727 } 16728 16729 @Override 16730 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16731 synchronized (mPackages) { 16732 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16733 } 16734 } 16735 16736 @Override 16737 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16738 synchronized (mPackages) { 16739 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16740 } 16741 } 16742 16743 @Override 16744 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16745 synchronized (mPackages) { 16746 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16747 } 16748 } 16749 16750 @Override 16751 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16752 synchronized (mPackages) { 16753 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16754 } 16755 } 16756 16757 @Override 16758 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16759 synchronized (mPackages) { 16760 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16761 packageName, userId); 16762 } 16763 } 16764 16765 @Override 16766 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16767 synchronized (mPackages) { 16768 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16769 packageName, userId); 16770 } 16771 } 16772 @Override 16773 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16774 synchronized (mPackages) { 16775 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16776 packageName, userId); 16777 } 16778 } 16779 } 16780 16781 @Override 16782 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16783 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16784 synchronized (mPackages) { 16785 final long identity = Binder.clearCallingIdentity(); 16786 try { 16787 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16788 packageNames, userId); 16789 } finally { 16790 Binder.restoreCallingIdentity(identity); 16791 } 16792 } 16793 } 16794 16795 private static void enforceSystemOrPhoneCaller(String tag) { 16796 int callingUid = Binder.getCallingUid(); 16797 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16798 throw new SecurityException( 16799 "Cannot call " + tag + " from UID " + callingUid); 16800 } 16801 } 16802} 16803