PackageManagerService.java revision 6499a85a30e59a33ee643e9fda7d36d794716769
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 33import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 34import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 35import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 36import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 43import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 44import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 45import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 48import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 52import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 53import static android.content.pm.PackageManager.INSTALL_INTERNAL; 54import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 55import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 60import static android.content.pm.PackageManager.MATCH_ALL; 61import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 62import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 63import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 64import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 65import static android.content.pm.PackageManager.PERMISSION_DENIED; 66import static android.content.pm.PackageManager.PERMISSION_GRANTED; 67import static android.content.pm.PackageParser.isApkFile; 68import static android.os.Process.PACKAGE_INFO_GID; 69import static android.os.Process.SYSTEM_UID; 70import static android.system.OsConstants.O_CREAT; 71import static android.system.OsConstants.O_RDWR; 72import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 73import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 74import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 75import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 76import static com.android.internal.util.ArrayUtils.appendInt; 77import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 78import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 79import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 80import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 81import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 82import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 83import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 84import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 85 86import android.Manifest; 87import android.app.ActivityManager; 88import android.app.ActivityManagerNative; 89import android.app.AppGlobals; 90import android.app.IActivityManager; 91import android.app.admin.IDevicePolicyManager; 92import android.app.backup.IBackupManager; 93import android.app.usage.UsageStats; 94import android.app.usage.UsageStatsManager; 95import android.content.BroadcastReceiver; 96import android.content.ComponentName; 97import android.content.Context; 98import android.content.IIntentReceiver; 99import android.content.Intent; 100import android.content.IntentFilter; 101import android.content.IntentSender; 102import android.content.IntentSender.SendIntentException; 103import android.content.ServiceConnection; 104import android.content.pm.ActivityInfo; 105import android.content.pm.ApplicationInfo; 106import android.content.pm.FeatureInfo; 107import android.content.pm.IOnPermissionsChangeListener; 108import android.content.pm.IPackageDataObserver; 109import android.content.pm.IPackageDeleteObserver; 110import android.content.pm.IPackageDeleteObserver2; 111import android.content.pm.IPackageInstallObserver2; 112import android.content.pm.IPackageInstaller; 113import android.content.pm.IPackageManager; 114import android.content.pm.IPackageMoveObserver; 115import android.content.pm.IPackageStatsObserver; 116import android.content.pm.InstrumentationInfo; 117import android.content.pm.IntentFilterVerificationInfo; 118import android.content.pm.KeySet; 119import android.content.pm.ManifestDigest; 120import android.content.pm.PackageCleanItem; 121import android.content.pm.PackageInfo; 122import android.content.pm.PackageInfoLite; 123import android.content.pm.PackageInstaller; 124import android.content.pm.PackageManager; 125import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 126import android.content.pm.PackageManagerInternal; 127import android.content.pm.PackageParser; 128import android.content.pm.PackageParser.ActivityIntentInfo; 129import android.content.pm.PackageParser.PackageLite; 130import android.content.pm.PackageParser.PackageParserException; 131import android.content.pm.PackageStats; 132import android.content.pm.PackageUserState; 133import android.content.pm.ParceledListSlice; 134import android.content.pm.PermissionGroupInfo; 135import android.content.pm.PermissionInfo; 136import android.content.pm.ProviderInfo; 137import android.content.pm.ResolveInfo; 138import android.content.pm.ServiceInfo; 139import android.content.pm.Signature; 140import android.content.pm.UserInfo; 141import android.content.pm.VerificationParams; 142import android.content.pm.VerifierDeviceIdentity; 143import android.content.pm.VerifierInfo; 144import android.content.res.Resources; 145import android.hardware.display.DisplayManager; 146import android.net.Uri; 147import android.os.Debug; 148import android.os.Binder; 149import android.os.Build; 150import android.os.Bundle; 151import android.os.Environment; 152import android.os.Environment.UserEnvironment; 153import android.os.FileUtils; 154import android.os.Handler; 155import android.os.IBinder; 156import android.os.Looper; 157import android.os.Message; 158import android.os.Parcel; 159import android.os.ParcelFileDescriptor; 160import android.os.Process; 161import android.os.RemoteCallbackList; 162import android.os.RemoteException; 163import android.os.SELinux; 164import android.os.ServiceManager; 165import android.os.SystemClock; 166import android.os.SystemProperties; 167import android.os.UserHandle; 168import android.os.UserManager; 169import android.os.storage.IMountService; 170import android.os.storage.MountServiceInternal; 171import android.os.storage.StorageEventListener; 172import android.os.storage.StorageManager; 173import android.os.storage.VolumeInfo; 174import android.os.storage.VolumeRecord; 175import android.security.KeyStore; 176import android.security.SystemKeyStore; 177import android.system.ErrnoException; 178import android.system.Os; 179import android.system.StructStat; 180import android.text.TextUtils; 181import android.text.format.DateUtils; 182import android.util.ArrayMap; 183import android.util.ArraySet; 184import android.util.AtomicFile; 185import android.util.DisplayMetrics; 186import android.util.EventLog; 187import android.util.ExceptionUtils; 188import android.util.Log; 189import android.util.LogPrinter; 190import android.util.MathUtils; 191import android.util.PrintStreamPrinter; 192import android.util.Slog; 193import android.util.SparseArray; 194import android.util.SparseBooleanArray; 195import android.util.SparseIntArray; 196import android.util.Xml; 197import android.view.Display; 198 199import dalvik.system.DexFile; 200import dalvik.system.VMRuntime; 201 202import libcore.io.IoUtils; 203import libcore.util.EmptyArray; 204 205import com.android.internal.R; 206import com.android.internal.annotations.GuardedBy; 207import com.android.internal.app.IMediaContainerService; 208import com.android.internal.app.ResolverActivity; 209import com.android.internal.content.NativeLibraryHelper; 210import com.android.internal.content.PackageHelper; 211import com.android.internal.os.IParcelFileDescriptorFactory; 212import com.android.internal.os.SomeArgs; 213import com.android.internal.os.Zygote; 214import com.android.internal.util.ArrayUtils; 215import com.android.internal.util.FastPrintWriter; 216import com.android.internal.util.FastXmlSerializer; 217import com.android.internal.util.IndentingPrintWriter; 218import com.android.internal.util.Preconditions; 219import com.android.server.EventLogTags; 220import com.android.server.FgThread; 221import com.android.server.IntentResolver; 222import com.android.server.LocalServices; 223import com.android.server.ServiceThread; 224import com.android.server.SystemConfig; 225import com.android.server.Watchdog; 226import com.android.server.pm.PermissionsState.PermissionState; 227import com.android.server.pm.Settings.DatabaseVersion; 228import com.android.server.pm.Settings.VersionInfo; 229import com.android.server.storage.DeviceStorageMonitorInternal; 230 231import org.xmlpull.v1.XmlPullParser; 232import org.xmlpull.v1.XmlPullParserException; 233import org.xmlpull.v1.XmlSerializer; 234 235import java.io.BufferedInputStream; 236import java.io.BufferedOutputStream; 237import java.io.BufferedReader; 238import java.io.ByteArrayInputStream; 239import java.io.ByteArrayOutputStream; 240import java.io.File; 241import java.io.FileDescriptor; 242import java.io.FileNotFoundException; 243import java.io.FileOutputStream; 244import java.io.FileReader; 245import java.io.FilenameFilter; 246import java.io.IOException; 247import java.io.InputStream; 248import java.io.PrintWriter; 249import java.nio.charset.StandardCharsets; 250import java.security.NoSuchAlgorithmException; 251import java.security.PublicKey; 252import java.security.cert.CertificateEncodingException; 253import java.security.cert.CertificateException; 254import java.text.SimpleDateFormat; 255import java.util.ArrayList; 256import java.util.Arrays; 257import java.util.Collection; 258import java.util.Collections; 259import java.util.Comparator; 260import java.util.Date; 261import java.util.Iterator; 262import java.util.List; 263import java.util.Map; 264import java.util.Objects; 265import java.util.Set; 266import java.util.concurrent.CountDownLatch; 267import java.util.concurrent.TimeUnit; 268import java.util.concurrent.atomic.AtomicBoolean; 269import java.util.concurrent.atomic.AtomicInteger; 270import java.util.concurrent.atomic.AtomicLong; 271 272/** 273 * Keep track of all those .apks everywhere. 274 * 275 * This is very central to the platform's security; please run the unit 276 * tests whenever making modifications here: 277 * 278mmm frameworks/base/tests/AndroidTests 279adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 280adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 281 * 282 * {@hide} 283 */ 284public class PackageManagerService extends IPackageManager.Stub { 285 static final String TAG = "PackageManager"; 286 static final boolean DEBUG_SETTINGS = false; 287 static final boolean DEBUG_PREFERRED = false; 288 static final boolean DEBUG_UPGRADE = false; 289 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 290 private static final boolean DEBUG_BACKUP = false; 291 private static final boolean DEBUG_INSTALL = false; 292 private static final boolean DEBUG_REMOVE = false; 293 private static final boolean DEBUG_BROADCASTS = false; 294 private static final boolean DEBUG_SHOW_INFO = false; 295 private static final boolean DEBUG_PACKAGE_INFO = false; 296 private static final boolean DEBUG_INTENT_MATCHING = false; 297 private static final boolean DEBUG_PACKAGE_SCANNING = false; 298 private static final boolean DEBUG_VERIFY = false; 299 private static final boolean DEBUG_DEXOPT = false; 300 private static final boolean DEBUG_ABI_SELECTION = false; 301 302 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 303 304 private static final int RADIO_UID = Process.PHONE_UID; 305 private static final int LOG_UID = Process.LOG_UID; 306 private static final int NFC_UID = Process.NFC_UID; 307 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 308 private static final int SHELL_UID = Process.SHELL_UID; 309 310 // Cap the size of permission trees that 3rd party apps can define 311 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 312 313 // Suffix used during package installation when copying/moving 314 // package apks to install directory. 315 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 316 317 static final int SCAN_NO_DEX = 1<<1; 318 static final int SCAN_FORCE_DEX = 1<<2; 319 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 320 static final int SCAN_NEW_INSTALL = 1<<4; 321 static final int SCAN_NO_PATHS = 1<<5; 322 static final int SCAN_UPDATE_TIME = 1<<6; 323 static final int SCAN_DEFER_DEX = 1<<7; 324 static final int SCAN_BOOTING = 1<<8; 325 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 326 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 327 static final int SCAN_REPLACING = 1<<11; 328 static final int SCAN_REQUIRE_KNOWN = 1<<12; 329 static final int SCAN_MOVE = 1<<13; 330 static final int SCAN_INITIAL = 1<<14; 331 332 static final int REMOVE_CHATTY = 1<<16; 333 334 private static final int[] EMPTY_INT_ARRAY = new int[0]; 335 336 /** 337 * Timeout (in milliseconds) after which the watchdog should declare that 338 * our handler thread is wedged. The usual default for such things is one 339 * minute but we sometimes do very lengthy I/O operations on this thread, 340 * such as installing multi-gigabyte applications, so ours needs to be longer. 341 */ 342 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 343 344 /** 345 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 346 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 347 * settings entry if available, otherwise we use the hardcoded default. If it's been 348 * more than this long since the last fstrim, we force one during the boot sequence. 349 * 350 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 351 * one gets run at the next available charging+idle time. This final mandatory 352 * no-fstrim check kicks in only of the other scheduling criteria is never met. 353 */ 354 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 355 356 /** 357 * Whether verification is enabled by default. 358 */ 359 private static final boolean DEFAULT_VERIFY_ENABLE = true; 360 361 /** 362 * The default maximum time to wait for the verification agent to return in 363 * milliseconds. 364 */ 365 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 366 367 /** 368 * The default response for package verification timeout. 369 * 370 * This can be either PackageManager.VERIFICATION_ALLOW or 371 * PackageManager.VERIFICATION_REJECT. 372 */ 373 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 374 375 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 376 377 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 378 DEFAULT_CONTAINER_PACKAGE, 379 "com.android.defcontainer.DefaultContainerService"); 380 381 private static final String KILL_APP_REASON_GIDS_CHANGED = 382 "permission grant or revoke changed gids"; 383 384 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 385 "permissions revoked"; 386 387 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 388 389 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 390 391 /** Permission grant: not grant the permission. */ 392 private static final int GRANT_DENIED = 1; 393 394 /** Permission grant: grant the permission as an install permission. */ 395 private static final int GRANT_INSTALL = 2; 396 397 /** Permission grant: grant the permission as an install permission for a legacy app. */ 398 private static final int GRANT_INSTALL_LEGACY = 3; 399 400 /** Permission grant: grant the permission as a runtime one. */ 401 private static final int GRANT_RUNTIME = 4; 402 403 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 404 private static final int GRANT_UPGRADE = 5; 405 406 /** Canonical intent used to identify what counts as a "web browser" app */ 407 private static final Intent sBrowserIntent; 408 static { 409 sBrowserIntent = new Intent(); 410 sBrowserIntent.setAction(Intent.ACTION_VIEW); 411 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 412 sBrowserIntent.setData(Uri.parse("http:")); 413 } 414 415 final ServiceThread mHandlerThread; 416 417 final PackageHandler mHandler; 418 419 /** 420 * Messages for {@link #mHandler} that need to wait for system ready before 421 * being dispatched. 422 */ 423 private ArrayList<Message> mPostSystemReadyMessages; 424 425 final int mSdkVersion = Build.VERSION.SDK_INT; 426 427 final Context mContext; 428 final boolean mFactoryTest; 429 final boolean mOnlyCore; 430 final boolean mLazyDexOpt; 431 final long mDexOptLRUThresholdInMills; 432 final DisplayMetrics mMetrics; 433 final int mDefParseFlags; 434 final String[] mSeparateProcesses; 435 final boolean mIsUpgrade; 436 437 // This is where all application persistent data goes. 438 final File mAppDataDir; 439 440 // This is where all application persistent data goes for secondary users. 441 final File mUserAppDataDir; 442 443 /** The location for ASEC container files on internal storage. */ 444 final String mAsecInternalPath; 445 446 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 447 // LOCK HELD. Can be called with mInstallLock held. 448 @GuardedBy("mInstallLock") 449 final Installer mInstaller; 450 451 /** Directory where installed third-party apps stored */ 452 final File mAppInstallDir; 453 454 /** 455 * Directory to which applications installed internally have their 456 * 32 bit native libraries copied. 457 */ 458 private File mAppLib32InstallDir; 459 460 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 461 // apps. 462 final File mDrmAppPrivateInstallDir; 463 464 // ---------------------------------------------------------------- 465 466 // Lock for state used when installing and doing other long running 467 // operations. Methods that must be called with this lock held have 468 // the suffix "LI". 469 final Object mInstallLock = new Object(); 470 471 // ---------------------------------------------------------------- 472 473 // Keys are String (package name), values are Package. This also serves 474 // as the lock for the global state. Methods that must be called with 475 // this lock held have the prefix "LP". 476 @GuardedBy("mPackages") 477 final ArrayMap<String, PackageParser.Package> mPackages = 478 new ArrayMap<String, PackageParser.Package>(); 479 480 // Tracks available target package names -> overlay package paths. 481 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 482 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 483 484 /** 485 * Tracks new system packages [received in an OTA] that we expect to 486 * find updated user-installed versions. Keys are package name, values 487 * are package location. 488 */ 489 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 490 491 /** 492 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 493 */ 494 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 495 /** 496 * Whether or not system app permissions should be promoted from install to runtime. 497 */ 498 boolean mPromoteSystemApps; 499 500 final Settings mSettings; 501 boolean mRestoredSettings; 502 503 // System configuration read by SystemConfig. 504 final int[] mGlobalGids; 505 final SparseArray<ArraySet<String>> mSystemPermissions; 506 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 507 508 // If mac_permissions.xml was found for seinfo labeling. 509 boolean mFoundPolicyFile; 510 511 // If a recursive restorecon of /data/data/<pkg> is needed. 512 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 513 514 public static final class SharedLibraryEntry { 515 public final String path; 516 public final String apk; 517 518 SharedLibraryEntry(String _path, String _apk) { 519 path = _path; 520 apk = _apk; 521 } 522 } 523 524 // Currently known shared libraries. 525 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 526 new ArrayMap<String, SharedLibraryEntry>(); 527 528 // All available activities, for your resolving pleasure. 529 final ActivityIntentResolver mActivities = 530 new ActivityIntentResolver(); 531 532 // All available receivers, for your resolving pleasure. 533 final ActivityIntentResolver mReceivers = 534 new ActivityIntentResolver(); 535 536 // All available services, for your resolving pleasure. 537 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 538 539 // All available providers, for your resolving pleasure. 540 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 541 542 // Mapping from provider base names (first directory in content URI codePath) 543 // to the provider information. 544 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 545 new ArrayMap<String, PackageParser.Provider>(); 546 547 // Mapping from instrumentation class names to info about them. 548 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 549 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 550 551 // Mapping from permission names to info about them. 552 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 553 new ArrayMap<String, PackageParser.PermissionGroup>(); 554 555 // Packages whose data we have transfered into another package, thus 556 // should no longer exist. 557 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 558 559 // Broadcast actions that are only available to the system. 560 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 561 562 /** List of packages waiting for verification. */ 563 final SparseArray<PackageVerificationState> mPendingVerification 564 = new SparseArray<PackageVerificationState>(); 565 566 /** Set of packages associated with each app op permission. */ 567 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 568 569 final PackageInstallerService mInstallerService; 570 571 private final PackageDexOptimizer mPackageDexOptimizer; 572 573 private AtomicInteger mNextMoveId = new AtomicInteger(); 574 private final MoveCallbacks mMoveCallbacks; 575 576 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 577 578 // Cache of users who need badging. 579 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 580 581 /** Token for keys in mPendingVerification. */ 582 private int mPendingVerificationToken = 0; 583 584 volatile boolean mSystemReady; 585 volatile boolean mSafeMode; 586 volatile boolean mHasSystemUidErrors; 587 588 ApplicationInfo mAndroidApplication; 589 final ActivityInfo mResolveActivity = new ActivityInfo(); 590 final ResolveInfo mResolveInfo = new ResolveInfo(); 591 ComponentName mResolveComponentName; 592 PackageParser.Package mPlatformPackage; 593 ComponentName mCustomResolverComponentName; 594 595 boolean mResolverReplaced = false; 596 597 private final ComponentName mIntentFilterVerifierComponent; 598 private int mIntentFilterVerificationToken = 0; 599 600 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 601 = new SparseArray<IntentFilterVerificationState>(); 602 603 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 604 new DefaultPermissionGrantPolicy(this); 605 606 private static class IFVerificationParams { 607 PackageParser.Package pkg; 608 boolean replacing; 609 int userId; 610 int verifierUid; 611 612 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 613 int _userId, int _verifierUid) { 614 pkg = _pkg; 615 replacing = _replacing; 616 userId = _userId; 617 replacing = _replacing; 618 verifierUid = _verifierUid; 619 } 620 } 621 622 private interface IntentFilterVerifier<T extends IntentFilter> { 623 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 624 T filter, String packageName); 625 void startVerifications(int userId); 626 void receiveVerificationResponse(int verificationId); 627 } 628 629 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 630 private Context mContext; 631 private ComponentName mIntentFilterVerifierComponent; 632 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 633 634 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 635 mContext = context; 636 mIntentFilterVerifierComponent = verifierComponent; 637 } 638 639 private String getDefaultScheme() { 640 return IntentFilter.SCHEME_HTTPS; 641 } 642 643 @Override 644 public void startVerifications(int userId) { 645 // Launch verifications requests 646 int count = mCurrentIntentFilterVerifications.size(); 647 for (int n=0; n<count; n++) { 648 int verificationId = mCurrentIntentFilterVerifications.get(n); 649 final IntentFilterVerificationState ivs = 650 mIntentFilterVerificationStates.get(verificationId); 651 652 String packageName = ivs.getPackageName(); 653 654 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 655 final int filterCount = filters.size(); 656 ArraySet<String> domainsSet = new ArraySet<>(); 657 for (int m=0; m<filterCount; m++) { 658 PackageParser.ActivityIntentInfo filter = filters.get(m); 659 domainsSet.addAll(filter.getHostsList()); 660 } 661 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 662 synchronized (mPackages) { 663 if (mSettings.createIntentFilterVerificationIfNeededLPw( 664 packageName, domainsList) != null) { 665 scheduleWriteSettingsLocked(); 666 } 667 } 668 sendVerificationRequest(userId, verificationId, ivs); 669 } 670 mCurrentIntentFilterVerifications.clear(); 671 } 672 673 private void sendVerificationRequest(int userId, int verificationId, 674 IntentFilterVerificationState ivs) { 675 676 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 677 verificationIntent.putExtra( 678 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 679 verificationId); 680 verificationIntent.putExtra( 681 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 682 getDefaultScheme()); 683 verificationIntent.putExtra( 684 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 685 ivs.getHostsString()); 686 verificationIntent.putExtra( 687 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 688 ivs.getPackageName()); 689 verificationIntent.setComponent(mIntentFilterVerifierComponent); 690 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 691 692 UserHandle user = new UserHandle(userId); 693 mContext.sendBroadcastAsUser(verificationIntent, user); 694 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 695 "Sending IntentFilter verification broadcast"); 696 } 697 698 public void receiveVerificationResponse(int verificationId) { 699 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 700 701 final boolean verified = ivs.isVerified(); 702 703 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 704 final int count = filters.size(); 705 if (DEBUG_DOMAIN_VERIFICATION) { 706 Slog.i(TAG, "Received verification response " + verificationId 707 + " for " + count + " filters, verified=" + verified); 708 } 709 for (int n=0; n<count; n++) { 710 PackageParser.ActivityIntentInfo filter = filters.get(n); 711 filter.setVerified(verified); 712 713 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 714 + " verified with result:" + verified + " and hosts:" 715 + ivs.getHostsString()); 716 } 717 718 mIntentFilterVerificationStates.remove(verificationId); 719 720 final String packageName = ivs.getPackageName(); 721 IntentFilterVerificationInfo ivi = null; 722 723 synchronized (mPackages) { 724 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 725 } 726 if (ivi == null) { 727 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 728 + verificationId + " packageName:" + packageName); 729 return; 730 } 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Updating IntentFilterVerificationInfo for package " + packageName 733 +" verificationId:" + verificationId); 734 735 synchronized (mPackages) { 736 if (verified) { 737 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 738 } else { 739 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 740 } 741 scheduleWriteSettingsLocked(); 742 743 final int userId = ivs.getUserId(); 744 if (userId != UserHandle.USER_ALL) { 745 final int userStatus = 746 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 747 748 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 749 boolean needUpdate = false; 750 751 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 752 // already been set by the User thru the Disambiguation dialog 753 switch (userStatus) { 754 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 755 if (verified) { 756 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 757 } else { 758 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 759 } 760 needUpdate = true; 761 break; 762 763 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 764 if (verified) { 765 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 766 needUpdate = true; 767 } 768 break; 769 770 default: 771 // Nothing to do 772 } 773 774 if (needUpdate) { 775 mSettings.updateIntentFilterVerificationStatusLPw( 776 packageName, updatedStatus, userId); 777 scheduleWritePackageRestrictionsLocked(userId); 778 } 779 } 780 } 781 } 782 783 @Override 784 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 785 ActivityIntentInfo filter, String packageName) { 786 if (!hasValidDomains(filter)) { 787 return false; 788 } 789 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 790 if (ivs == null) { 791 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 792 packageName); 793 } 794 if (DEBUG_DOMAIN_VERIFICATION) { 795 Slog.d(TAG, "Adding verification filter for " + packageName + " : " + filter); 796 } 797 ivs.addFilter(filter); 798 return true; 799 } 800 801 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 802 int userId, int verificationId, String packageName) { 803 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 804 verifierUid, userId, packageName); 805 ivs.setPendingState(); 806 synchronized (mPackages) { 807 mIntentFilterVerificationStates.append(verificationId, ivs); 808 mCurrentIntentFilterVerifications.add(verificationId); 809 } 810 return ivs; 811 } 812 } 813 814 private static boolean hasValidDomains(ActivityIntentInfo filter) { 815 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 816 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 817 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 818 } 819 820 private IntentFilterVerifier mIntentFilterVerifier; 821 822 // Set of pending broadcasts for aggregating enable/disable of components. 823 static class PendingPackageBroadcasts { 824 // for each user id, a map of <package name -> components within that package> 825 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 826 827 public PendingPackageBroadcasts() { 828 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 829 } 830 831 public ArrayList<String> get(int userId, String packageName) { 832 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 833 return packages.get(packageName); 834 } 835 836 public void put(int userId, String packageName, ArrayList<String> components) { 837 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 838 packages.put(packageName, components); 839 } 840 841 public void remove(int userId, String packageName) { 842 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 843 if (packages != null) { 844 packages.remove(packageName); 845 } 846 } 847 848 public void remove(int userId) { 849 mUidMap.remove(userId); 850 } 851 852 public int userIdCount() { 853 return mUidMap.size(); 854 } 855 856 public int userIdAt(int n) { 857 return mUidMap.keyAt(n); 858 } 859 860 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 861 return mUidMap.get(userId); 862 } 863 864 public int size() { 865 // total number of pending broadcast entries across all userIds 866 int num = 0; 867 for (int i = 0; i< mUidMap.size(); i++) { 868 num += mUidMap.valueAt(i).size(); 869 } 870 return num; 871 } 872 873 public void clear() { 874 mUidMap.clear(); 875 } 876 877 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 878 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 879 if (map == null) { 880 map = new ArrayMap<String, ArrayList<String>>(); 881 mUidMap.put(userId, map); 882 } 883 return map; 884 } 885 } 886 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 887 888 // Service Connection to remote media container service to copy 889 // package uri's from external media onto secure containers 890 // or internal storage. 891 private IMediaContainerService mContainerService = null; 892 893 static final int SEND_PENDING_BROADCAST = 1; 894 static final int MCS_BOUND = 3; 895 static final int END_COPY = 4; 896 static final int INIT_COPY = 5; 897 static final int MCS_UNBIND = 6; 898 static final int START_CLEANING_PACKAGE = 7; 899 static final int FIND_INSTALL_LOC = 8; 900 static final int POST_INSTALL = 9; 901 static final int MCS_RECONNECT = 10; 902 static final int MCS_GIVE_UP = 11; 903 static final int UPDATED_MEDIA_STATUS = 12; 904 static final int WRITE_SETTINGS = 13; 905 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 906 static final int PACKAGE_VERIFIED = 15; 907 static final int CHECK_PENDING_VERIFICATION = 16; 908 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 909 static final int INTENT_FILTER_VERIFIED = 18; 910 911 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 912 913 // Delay time in millisecs 914 static final int BROADCAST_DELAY = 10 * 1000; 915 916 static UserManagerService sUserManager; 917 918 // Stores a list of users whose package restrictions file needs to be updated 919 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 920 921 final private DefaultContainerConnection mDefContainerConn = 922 new DefaultContainerConnection(); 923 class DefaultContainerConnection implements ServiceConnection { 924 public void onServiceConnected(ComponentName name, IBinder service) { 925 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 926 IMediaContainerService imcs = 927 IMediaContainerService.Stub.asInterface(service); 928 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 929 } 930 931 public void onServiceDisconnected(ComponentName name) { 932 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 933 } 934 } 935 936 // Recordkeeping of restore-after-install operations that are currently in flight 937 // between the Package Manager and the Backup Manager 938 class PostInstallData { 939 public InstallArgs args; 940 public PackageInstalledInfo res; 941 942 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 943 args = _a; 944 res = _r; 945 } 946 } 947 948 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 949 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 950 951 // XML tags for backup/restore of various bits of state 952 private static final String TAG_PREFERRED_BACKUP = "pa"; 953 private static final String TAG_DEFAULT_APPS = "da"; 954 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 955 956 final String mRequiredVerifierPackage; 957 final String mRequiredInstallerPackage; 958 959 private final PackageUsage mPackageUsage = new PackageUsage(); 960 961 private class PackageUsage { 962 private static final int WRITE_INTERVAL 963 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 964 965 private final Object mFileLock = new Object(); 966 private final AtomicLong mLastWritten = new AtomicLong(0); 967 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 968 969 private boolean mIsHistoricalPackageUsageAvailable = true; 970 971 boolean isHistoricalPackageUsageAvailable() { 972 return mIsHistoricalPackageUsageAvailable; 973 } 974 975 void write(boolean force) { 976 if (force) { 977 writeInternal(); 978 return; 979 } 980 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 981 && !DEBUG_DEXOPT) { 982 return; 983 } 984 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 985 new Thread("PackageUsage_DiskWriter") { 986 @Override 987 public void run() { 988 try { 989 writeInternal(); 990 } finally { 991 mBackgroundWriteRunning.set(false); 992 } 993 } 994 }.start(); 995 } 996 } 997 998 private void writeInternal() { 999 synchronized (mPackages) { 1000 synchronized (mFileLock) { 1001 AtomicFile file = getFile(); 1002 FileOutputStream f = null; 1003 try { 1004 f = file.startWrite(); 1005 BufferedOutputStream out = new BufferedOutputStream(f); 1006 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1007 StringBuilder sb = new StringBuilder(); 1008 for (PackageParser.Package pkg : mPackages.values()) { 1009 if (pkg.mLastPackageUsageTimeInMills == 0) { 1010 continue; 1011 } 1012 sb.setLength(0); 1013 sb.append(pkg.packageName); 1014 sb.append(' '); 1015 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1016 sb.append('\n'); 1017 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1018 } 1019 out.flush(); 1020 file.finishWrite(f); 1021 } catch (IOException e) { 1022 if (f != null) { 1023 file.failWrite(f); 1024 } 1025 Log.e(TAG, "Failed to write package usage times", e); 1026 } 1027 } 1028 } 1029 mLastWritten.set(SystemClock.elapsedRealtime()); 1030 } 1031 1032 void readLP() { 1033 synchronized (mFileLock) { 1034 AtomicFile file = getFile(); 1035 BufferedInputStream in = null; 1036 try { 1037 in = new BufferedInputStream(file.openRead()); 1038 StringBuffer sb = new StringBuffer(); 1039 while (true) { 1040 String packageName = readToken(in, sb, ' '); 1041 if (packageName == null) { 1042 break; 1043 } 1044 String timeInMillisString = readToken(in, sb, '\n'); 1045 if (timeInMillisString == null) { 1046 throw new IOException("Failed to find last usage time for package " 1047 + packageName); 1048 } 1049 PackageParser.Package pkg = mPackages.get(packageName); 1050 if (pkg == null) { 1051 continue; 1052 } 1053 long timeInMillis; 1054 try { 1055 timeInMillis = Long.parseLong(timeInMillisString.toString()); 1056 } catch (NumberFormatException e) { 1057 throw new IOException("Failed to parse " + timeInMillisString 1058 + " as a long.", e); 1059 } 1060 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1061 } 1062 } catch (FileNotFoundException expected) { 1063 mIsHistoricalPackageUsageAvailable = false; 1064 } catch (IOException e) { 1065 Log.w(TAG, "Failed to read package usage times", e); 1066 } finally { 1067 IoUtils.closeQuietly(in); 1068 } 1069 } 1070 mLastWritten.set(SystemClock.elapsedRealtime()); 1071 } 1072 1073 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1074 throws IOException { 1075 sb.setLength(0); 1076 while (true) { 1077 int ch = in.read(); 1078 if (ch == -1) { 1079 if (sb.length() == 0) { 1080 return null; 1081 } 1082 throw new IOException("Unexpected EOF"); 1083 } 1084 if (ch == endOfToken) { 1085 return sb.toString(); 1086 } 1087 sb.append((char)ch); 1088 } 1089 } 1090 1091 private AtomicFile getFile() { 1092 File dataDir = Environment.getDataDirectory(); 1093 File systemDir = new File(dataDir, "system"); 1094 File fname = new File(systemDir, "package-usage.list"); 1095 return new AtomicFile(fname); 1096 } 1097 } 1098 1099 class PackageHandler extends Handler { 1100 private boolean mBound = false; 1101 final ArrayList<HandlerParams> mPendingInstalls = 1102 new ArrayList<HandlerParams>(); 1103 1104 private boolean connectToService() { 1105 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1106 " DefaultContainerService"); 1107 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1108 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1109 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1110 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 mBound = true; 1113 return true; 1114 } 1115 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1116 return false; 1117 } 1118 1119 private void disconnectService() { 1120 mContainerService = null; 1121 mBound = false; 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1123 mContext.unbindService(mDefContainerConn); 1124 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1125 } 1126 1127 PackageHandler(Looper looper) { 1128 super(looper); 1129 } 1130 1131 public void handleMessage(Message msg) { 1132 try { 1133 doHandleMessage(msg); 1134 } finally { 1135 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1136 } 1137 } 1138 1139 void doHandleMessage(Message msg) { 1140 switch (msg.what) { 1141 case INIT_COPY: { 1142 HandlerParams params = (HandlerParams) msg.obj; 1143 int idx = mPendingInstalls.size(); 1144 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1145 // If a bind was already initiated we dont really 1146 // need to do anything. The pending install 1147 // will be processed later on. 1148 if (!mBound) { 1149 // If this is the only one pending we might 1150 // have to bind to the service again. 1151 if (!connectToService()) { 1152 Slog.e(TAG, "Failed to bind to media container service"); 1153 params.serviceError(); 1154 return; 1155 } else { 1156 // Once we bind to the service, the first 1157 // pending request will be processed. 1158 mPendingInstalls.add(idx, params); 1159 } 1160 } else { 1161 mPendingInstalls.add(idx, params); 1162 // Already bound to the service. Just make 1163 // sure we trigger off processing the first request. 1164 if (idx == 0) { 1165 mHandler.sendEmptyMessage(MCS_BOUND); 1166 } 1167 } 1168 break; 1169 } 1170 case MCS_BOUND: { 1171 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1172 if (msg.obj != null) { 1173 mContainerService = (IMediaContainerService) msg.obj; 1174 } 1175 if (mContainerService == null) { 1176 if (!mBound) { 1177 // Something seriously wrong since we are not bound and we are not 1178 // waiting for connection. Bail out. 1179 Slog.e(TAG, "Cannot bind to media container service"); 1180 for (HandlerParams params : mPendingInstalls) { 1181 // Indicate service bind error 1182 params.serviceError(); 1183 } 1184 mPendingInstalls.clear(); 1185 } else { 1186 Slog.w(TAG, "Waiting to connect to media container service"); 1187 } 1188 } else if (mPendingInstalls.size() > 0) { 1189 HandlerParams params = mPendingInstalls.get(0); 1190 if (params != null) { 1191 if (params.startCopy()) { 1192 // We are done... look for more work or to 1193 // go idle. 1194 if (DEBUG_SD_INSTALL) Log.i(TAG, 1195 "Checking for more work or unbind..."); 1196 // Delete pending install 1197 if (mPendingInstalls.size() > 0) { 1198 mPendingInstalls.remove(0); 1199 } 1200 if (mPendingInstalls.size() == 0) { 1201 if (mBound) { 1202 if (DEBUG_SD_INSTALL) Log.i(TAG, 1203 "Posting delayed MCS_UNBIND"); 1204 removeMessages(MCS_UNBIND); 1205 Message ubmsg = obtainMessage(MCS_UNBIND); 1206 // Unbind after a little delay, to avoid 1207 // continual thrashing. 1208 sendMessageDelayed(ubmsg, 10000); 1209 } 1210 } else { 1211 // There are more pending requests in queue. 1212 // Just post MCS_BOUND message to trigger processing 1213 // of next pending install. 1214 if (DEBUG_SD_INSTALL) Log.i(TAG, 1215 "Posting MCS_BOUND for next work"); 1216 mHandler.sendEmptyMessage(MCS_BOUND); 1217 } 1218 } 1219 } 1220 } else { 1221 // Should never happen ideally. 1222 Slog.w(TAG, "Empty queue"); 1223 } 1224 break; 1225 } 1226 case MCS_RECONNECT: { 1227 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1228 if (mPendingInstalls.size() > 0) { 1229 if (mBound) { 1230 disconnectService(); 1231 } 1232 if (!connectToService()) { 1233 Slog.e(TAG, "Failed to bind to media container service"); 1234 for (HandlerParams params : mPendingInstalls) { 1235 // Indicate service bind error 1236 params.serviceError(); 1237 } 1238 mPendingInstalls.clear(); 1239 } 1240 } 1241 break; 1242 } 1243 case MCS_UNBIND: { 1244 // If there is no actual work left, then time to unbind. 1245 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1246 1247 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1248 if (mBound) { 1249 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1250 1251 disconnectService(); 1252 } 1253 } else if (mPendingInstalls.size() > 0) { 1254 // There are more pending requests in queue. 1255 // Just post MCS_BOUND message to trigger processing 1256 // of next pending install. 1257 mHandler.sendEmptyMessage(MCS_BOUND); 1258 } 1259 1260 break; 1261 } 1262 case MCS_GIVE_UP: { 1263 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1264 mPendingInstalls.remove(0); 1265 break; 1266 } 1267 case SEND_PENDING_BROADCAST: { 1268 String packages[]; 1269 ArrayList<String> components[]; 1270 int size = 0; 1271 int uids[]; 1272 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1273 synchronized (mPackages) { 1274 if (mPendingBroadcasts == null) { 1275 return; 1276 } 1277 size = mPendingBroadcasts.size(); 1278 if (size <= 0) { 1279 // Nothing to be done. Just return 1280 return; 1281 } 1282 packages = new String[size]; 1283 components = new ArrayList[size]; 1284 uids = new int[size]; 1285 int i = 0; // filling out the above arrays 1286 1287 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1288 int packageUserId = mPendingBroadcasts.userIdAt(n); 1289 Iterator<Map.Entry<String, ArrayList<String>>> it 1290 = mPendingBroadcasts.packagesForUserId(packageUserId) 1291 .entrySet().iterator(); 1292 while (it.hasNext() && i < size) { 1293 Map.Entry<String, ArrayList<String>> ent = it.next(); 1294 packages[i] = ent.getKey(); 1295 components[i] = ent.getValue(); 1296 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1297 uids[i] = (ps != null) 1298 ? UserHandle.getUid(packageUserId, ps.appId) 1299 : -1; 1300 i++; 1301 } 1302 } 1303 size = i; 1304 mPendingBroadcasts.clear(); 1305 } 1306 // Send broadcasts 1307 for (int i = 0; i < size; i++) { 1308 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1309 } 1310 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1311 break; 1312 } 1313 case START_CLEANING_PACKAGE: { 1314 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1315 final String packageName = (String)msg.obj; 1316 final int userId = msg.arg1; 1317 final boolean andCode = msg.arg2 != 0; 1318 synchronized (mPackages) { 1319 if (userId == UserHandle.USER_ALL) { 1320 int[] users = sUserManager.getUserIds(); 1321 for (int user : users) { 1322 mSettings.addPackageToCleanLPw( 1323 new PackageCleanItem(user, packageName, andCode)); 1324 } 1325 } else { 1326 mSettings.addPackageToCleanLPw( 1327 new PackageCleanItem(userId, packageName, andCode)); 1328 } 1329 } 1330 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1331 startCleaningPackages(); 1332 } break; 1333 case POST_INSTALL: { 1334 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1335 PostInstallData data = mRunningInstalls.get(msg.arg1); 1336 mRunningInstalls.delete(msg.arg1); 1337 boolean deleteOld = false; 1338 1339 if (data != null) { 1340 InstallArgs args = data.args; 1341 PackageInstalledInfo res = data.res; 1342 1343 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1344 final String packageName = res.pkg.applicationInfo.packageName; 1345 res.removedInfo.sendBroadcast(false, true, false); 1346 Bundle extras = new Bundle(1); 1347 extras.putInt(Intent.EXTRA_UID, res.uid); 1348 1349 // Now that we successfully installed the package, grant runtime 1350 // permissions if requested before broadcasting the install. 1351 if ((args.installFlags 1352 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0) { 1353 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1354 args.installGrantPermissions); 1355 } 1356 1357 // Determine the set of users who are adding this 1358 // package for the first time vs. those who are seeing 1359 // an update. 1360 int[] firstUsers; 1361 int[] updateUsers = new int[0]; 1362 if (res.origUsers == null || res.origUsers.length == 0) { 1363 firstUsers = res.newUsers; 1364 } else { 1365 firstUsers = new int[0]; 1366 for (int i=0; i<res.newUsers.length; i++) { 1367 int user = res.newUsers[i]; 1368 boolean isNew = true; 1369 for (int j=0; j<res.origUsers.length; j++) { 1370 if (res.origUsers[j] == user) { 1371 isNew = false; 1372 break; 1373 } 1374 } 1375 if (isNew) { 1376 int[] newFirst = new int[firstUsers.length+1]; 1377 System.arraycopy(firstUsers, 0, newFirst, 0, 1378 firstUsers.length); 1379 newFirst[firstUsers.length] = user; 1380 firstUsers = newFirst; 1381 } else { 1382 int[] newUpdate = new int[updateUsers.length+1]; 1383 System.arraycopy(updateUsers, 0, newUpdate, 0, 1384 updateUsers.length); 1385 newUpdate[updateUsers.length] = user; 1386 updateUsers = newUpdate; 1387 } 1388 } 1389 } 1390 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1391 packageName, extras, null, null, firstUsers); 1392 final boolean update = res.removedInfo.removedPackage != null; 1393 if (update) { 1394 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1395 } 1396 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1397 packageName, extras, null, null, updateUsers); 1398 if (update) { 1399 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1400 packageName, extras, null, null, updateUsers); 1401 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1402 null, null, packageName, null, updateUsers); 1403 1404 // treat asec-hosted packages like removable media on upgrade 1405 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1406 if (DEBUG_INSTALL) { 1407 Slog.i(TAG, "upgrading pkg " + res.pkg 1408 + " is ASEC-hosted -> AVAILABLE"); 1409 } 1410 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1411 ArrayList<String> pkgList = new ArrayList<String>(1); 1412 pkgList.add(packageName); 1413 sendResourcesChangedBroadcast(true, true, 1414 pkgList,uidArray, null); 1415 } 1416 } 1417 if (res.removedInfo.args != null) { 1418 // Remove the replaced package's older resources safely now 1419 deleteOld = true; 1420 } 1421 1422 // If this app is a browser and it's newly-installed for some 1423 // users, clear any default-browser state in those users 1424 if (firstUsers.length > 0) { 1425 // the app's nature doesn't depend on the user, so we can just 1426 // check its browser nature in any user and generalize. 1427 if (packageIsBrowser(packageName, firstUsers[0])) { 1428 synchronized (mPackages) { 1429 for (int userId : firstUsers) { 1430 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1431 } 1432 } 1433 } 1434 } 1435 // Log current value of "unknown sources" setting 1436 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1437 getUnknownSourcesSettings()); 1438 } 1439 // Force a gc to clear up things 1440 Runtime.getRuntime().gc(); 1441 // We delete after a gc for applications on sdcard. 1442 if (deleteOld) { 1443 synchronized (mInstallLock) { 1444 res.removedInfo.args.doPostDeleteLI(true); 1445 } 1446 } 1447 if (args.observer != null) { 1448 try { 1449 Bundle extras = extrasForInstallResult(res); 1450 args.observer.onPackageInstalled(res.name, res.returnCode, 1451 res.returnMsg, extras); 1452 } catch (RemoteException e) { 1453 Slog.i(TAG, "Observer no longer exists."); 1454 } 1455 } 1456 } else { 1457 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1458 } 1459 } break; 1460 case UPDATED_MEDIA_STATUS: { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1462 boolean reportStatus = msg.arg1 == 1; 1463 boolean doGc = msg.arg2 == 1; 1464 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1465 if (doGc) { 1466 // Force a gc to clear up stale containers. 1467 Runtime.getRuntime().gc(); 1468 } 1469 if (msg.obj != null) { 1470 @SuppressWarnings("unchecked") 1471 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1472 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1473 // Unload containers 1474 unloadAllContainers(args); 1475 } 1476 if (reportStatus) { 1477 try { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1479 PackageHelper.getMountService().finishMediaUpdate(); 1480 } catch (RemoteException e) { 1481 Log.e(TAG, "MountService not running?"); 1482 } 1483 } 1484 } break; 1485 case WRITE_SETTINGS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_SETTINGS); 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 mSettings.writeLPr(); 1491 mDirtyUsers.clear(); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 } break; 1495 case WRITE_PACKAGE_RESTRICTIONS: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 synchronized (mPackages) { 1498 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1499 for (int userId : mDirtyUsers) { 1500 mSettings.writePackageRestrictionsLPr(userId); 1501 } 1502 mDirtyUsers.clear(); 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 } break; 1506 case CHECK_PENDING_VERIFICATION: { 1507 final int verificationId = msg.arg1; 1508 final PackageVerificationState state = mPendingVerification.get(verificationId); 1509 1510 if ((state != null) && !state.timeoutExtended()) { 1511 final InstallArgs args = state.getInstallArgs(); 1512 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1513 1514 Slog.i(TAG, "Verification timed out for " + originUri); 1515 mPendingVerification.remove(verificationId); 1516 1517 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1518 1519 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1520 Slog.i(TAG, "Continuing with installation of " + originUri); 1521 state.setVerifierResponse(Binder.getCallingUid(), 1522 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_ALLOW, 1525 state.getInstallArgs().getUser()); 1526 try { 1527 ret = args.copyApk(mContainerService, true); 1528 } catch (RemoteException e) { 1529 Slog.e(TAG, "Could not contact the ContainerService"); 1530 } 1531 } else { 1532 broadcastPackageVerified(verificationId, originUri, 1533 PackageManager.VERIFICATION_REJECT, 1534 state.getInstallArgs().getUser()); 1535 } 1536 1537 processPendingInstall(args, ret); 1538 mHandler.sendEmptyMessage(MCS_UNBIND); 1539 } 1540 break; 1541 } 1542 case PACKAGE_VERIFIED: { 1543 final int verificationId = msg.arg1; 1544 1545 final PackageVerificationState state = mPendingVerification.get(verificationId); 1546 if (state == null) { 1547 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1548 break; 1549 } 1550 1551 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1552 1553 state.setVerifierResponse(response.callerUid, response.code); 1554 1555 if (state.isVerificationComplete()) { 1556 mPendingVerification.remove(verificationId); 1557 1558 final InstallArgs args = state.getInstallArgs(); 1559 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1560 1561 int ret; 1562 if (state.isInstallAllowed()) { 1563 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1564 broadcastPackageVerified(verificationId, originUri, 1565 response.code, state.getInstallArgs().getUser()); 1566 try { 1567 ret = args.copyApk(mContainerService, true); 1568 } catch (RemoteException e) { 1569 Slog.e(TAG, "Could not contact the ContainerService"); 1570 } 1571 } else { 1572 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1573 } 1574 1575 processPendingInstall(args, ret); 1576 1577 mHandler.sendEmptyMessage(MCS_UNBIND); 1578 } 1579 1580 break; 1581 } 1582 case START_INTENT_FILTER_VERIFICATIONS: { 1583 IFVerificationParams params = (IFVerificationParams) msg.obj; 1584 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1585 params.replacing, params.pkg); 1586 break; 1587 } 1588 case INTENT_FILTER_VERIFIED: { 1589 final int verificationId = msg.arg1; 1590 1591 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1592 verificationId); 1593 if (state == null) { 1594 Slog.w(TAG, "Invalid IntentFilter verification token " 1595 + verificationId + " received"); 1596 break; 1597 } 1598 1599 final int userId = state.getUserId(); 1600 1601 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1602 "Processing IntentFilter verification with token:" 1603 + verificationId + " and userId:" + userId); 1604 1605 final IntentFilterVerificationResponse response = 1606 (IntentFilterVerificationResponse) msg.obj; 1607 1608 state.setVerifierResponse(response.callerUid, response.code); 1609 1610 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1611 "IntentFilter verification with token:" + verificationId 1612 + " and userId:" + userId 1613 + " is settings verifier response with response code:" 1614 + response.code); 1615 1616 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1617 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1618 + response.getFailedDomainsString()); 1619 } 1620 1621 if (state.isVerificationComplete()) { 1622 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1623 } else { 1624 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1625 "IntentFilter verification with token:" + verificationId 1626 + " was not said to be complete"); 1627 } 1628 1629 break; 1630 } 1631 } 1632 } 1633 } 1634 1635 private StorageEventListener mStorageListener = new StorageEventListener() { 1636 @Override 1637 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1638 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1639 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1640 final String volumeUuid = vol.getFsUuid(); 1641 1642 // Clean up any users or apps that were removed or recreated 1643 // while this volume was missing 1644 reconcileUsers(volumeUuid); 1645 reconcileApps(volumeUuid); 1646 1647 // Clean up any install sessions that expired or were 1648 // cancelled while this volume was missing 1649 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1650 1651 loadPrivatePackages(vol); 1652 1653 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1654 unloadPrivatePackages(vol); 1655 } 1656 } 1657 1658 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1659 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1660 updateExternalMediaStatus(true, false); 1661 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1662 updateExternalMediaStatus(false, false); 1663 } 1664 } 1665 } 1666 1667 @Override 1668 public void onVolumeForgotten(String fsUuid) { 1669 if (TextUtils.isEmpty(fsUuid)) { 1670 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1671 return; 1672 } 1673 1674 // Remove any apps installed on the forgotten volume 1675 synchronized (mPackages) { 1676 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1677 for (PackageSetting ps : packages) { 1678 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1679 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1680 UserHandle.USER_OWNER, PackageManager.DELETE_ALL_USERS); 1681 } 1682 1683 mSettings.onVolumeForgotten(fsUuid); 1684 mSettings.writeLPr(); 1685 } 1686 } 1687 }; 1688 1689 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1690 String[] grantedPermissions) { 1691 if (userId >= UserHandle.USER_OWNER) { 1692 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1693 } else if (userId == UserHandle.USER_ALL) { 1694 final int[] userIds; 1695 synchronized (mPackages) { 1696 userIds = UserManagerService.getInstance().getUserIds(); 1697 } 1698 for (int someUserId : userIds) { 1699 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1700 } 1701 } 1702 1703 // We could have touched GID membership, so flush out packages.list 1704 synchronized (mPackages) { 1705 mSettings.writePackageListLPr(); 1706 } 1707 } 1708 1709 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1710 String[] grantedPermissions) { 1711 SettingBase sb = (SettingBase) pkg.mExtras; 1712 if (sb == null) { 1713 return; 1714 } 1715 1716 PermissionsState permissionsState = sb.getPermissionsState(); 1717 1718 for (String permission : pkg.requestedPermissions) { 1719 BasePermission bp = mSettings.mPermissions.get(permission); 1720 if (bp != null && bp.isRuntime() && (grantedPermissions == null 1721 || ArrayUtils.contains(grantedPermissions, permission))) { 1722 permissionsState.grantRuntimePermission(bp, userId); 1723 } 1724 } 1725 } 1726 1727 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1728 Bundle extras = null; 1729 switch (res.returnCode) { 1730 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1731 extras = new Bundle(); 1732 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1733 res.origPermission); 1734 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1735 res.origPackage); 1736 break; 1737 } 1738 case PackageManager.INSTALL_SUCCEEDED: { 1739 extras = new Bundle(); 1740 extras.putBoolean(Intent.EXTRA_REPLACING, 1741 res.removedInfo != null && res.removedInfo.removedPackage != null); 1742 break; 1743 } 1744 } 1745 return extras; 1746 } 1747 1748 void scheduleWriteSettingsLocked() { 1749 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1750 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1751 } 1752 } 1753 1754 void scheduleWritePackageRestrictionsLocked(int userId) { 1755 if (!sUserManager.exists(userId)) return; 1756 mDirtyUsers.add(userId); 1757 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1758 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1759 } 1760 } 1761 1762 public static PackageManagerService main(Context context, Installer installer, 1763 boolean factoryTest, boolean onlyCore) { 1764 PackageManagerService m = new PackageManagerService(context, installer, 1765 factoryTest, onlyCore); 1766 ServiceManager.addService("package", m); 1767 return m; 1768 } 1769 1770 static String[] splitString(String str, char sep) { 1771 int count = 1; 1772 int i = 0; 1773 while ((i=str.indexOf(sep, i)) >= 0) { 1774 count++; 1775 i++; 1776 } 1777 1778 String[] res = new String[count]; 1779 i=0; 1780 count = 0; 1781 int lastI=0; 1782 while ((i=str.indexOf(sep, i)) >= 0) { 1783 res[count] = str.substring(lastI, i); 1784 count++; 1785 i++; 1786 lastI = i; 1787 } 1788 res[count] = str.substring(lastI, str.length()); 1789 return res; 1790 } 1791 1792 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1793 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1794 Context.DISPLAY_SERVICE); 1795 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1796 } 1797 1798 public PackageManagerService(Context context, Installer installer, 1799 boolean factoryTest, boolean onlyCore) { 1800 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1801 SystemClock.uptimeMillis()); 1802 1803 if (mSdkVersion <= 0) { 1804 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1805 } 1806 1807 mContext = context; 1808 mFactoryTest = factoryTest; 1809 mOnlyCore = onlyCore; 1810 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1811 mMetrics = new DisplayMetrics(); 1812 mSettings = new Settings(mPackages); 1813 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1814 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1815 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1816 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1817 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1818 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1819 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1820 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1821 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1822 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1823 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1824 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1825 1826 // TODO: add a property to control this? 1827 long dexOptLRUThresholdInMinutes; 1828 if (mLazyDexOpt) { 1829 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1830 } else { 1831 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1832 } 1833 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1834 1835 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1836 if (separateProcesses != null && separateProcesses.length() > 0) { 1837 if ("*".equals(separateProcesses)) { 1838 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1839 mSeparateProcesses = null; 1840 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1841 } else { 1842 mDefParseFlags = 0; 1843 mSeparateProcesses = separateProcesses.split(","); 1844 Slog.w(TAG, "Running with debug.separate_processes: " 1845 + separateProcesses); 1846 } 1847 } else { 1848 mDefParseFlags = 0; 1849 mSeparateProcesses = null; 1850 } 1851 1852 mInstaller = installer; 1853 mPackageDexOptimizer = new PackageDexOptimizer(this); 1854 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1855 1856 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1857 FgThread.get().getLooper()); 1858 1859 getDefaultDisplayMetrics(context, mMetrics); 1860 1861 SystemConfig systemConfig = SystemConfig.getInstance(); 1862 mGlobalGids = systemConfig.getGlobalGids(); 1863 mSystemPermissions = systemConfig.getSystemPermissions(); 1864 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1865 1866 synchronized (mInstallLock) { 1867 // writer 1868 synchronized (mPackages) { 1869 mHandlerThread = new ServiceThread(TAG, 1870 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1871 mHandlerThread.start(); 1872 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1873 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1874 1875 File dataDir = Environment.getDataDirectory(); 1876 mAppDataDir = new File(dataDir, "data"); 1877 mAppInstallDir = new File(dataDir, "app"); 1878 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1879 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1880 mUserAppDataDir = new File(dataDir, "user"); 1881 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1882 1883 sUserManager = new UserManagerService(context, this, 1884 mInstallLock, mPackages); 1885 1886 // Propagate permission configuration in to package manager. 1887 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1888 = systemConfig.getPermissions(); 1889 for (int i=0; i<permConfig.size(); i++) { 1890 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1891 BasePermission bp = mSettings.mPermissions.get(perm.name); 1892 if (bp == null) { 1893 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1894 mSettings.mPermissions.put(perm.name, bp); 1895 } 1896 if (perm.gids != null) { 1897 bp.setGids(perm.gids, perm.perUser); 1898 } 1899 } 1900 1901 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1902 for (int i=0; i<libConfig.size(); i++) { 1903 mSharedLibraries.put(libConfig.keyAt(i), 1904 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1905 } 1906 1907 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1908 1909 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1910 mSdkVersion, mOnlyCore); 1911 1912 String customResolverActivity = Resources.getSystem().getString( 1913 R.string.config_customResolverActivity); 1914 if (TextUtils.isEmpty(customResolverActivity)) { 1915 customResolverActivity = null; 1916 } else { 1917 mCustomResolverComponentName = ComponentName.unflattenFromString( 1918 customResolverActivity); 1919 } 1920 1921 long startTime = SystemClock.uptimeMillis(); 1922 1923 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1924 startTime); 1925 1926 // Set flag to monitor and not change apk file paths when 1927 // scanning install directories. 1928 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1929 1930 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1931 1932 /** 1933 * Add everything in the in the boot class path to the 1934 * list of process files because dexopt will have been run 1935 * if necessary during zygote startup. 1936 */ 1937 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1938 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1939 1940 if (bootClassPath != null) { 1941 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1942 for (String element : bootClassPathElements) { 1943 alreadyDexOpted.add(element); 1944 } 1945 } else { 1946 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1947 } 1948 1949 if (systemServerClassPath != null) { 1950 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1951 for (String element : systemServerClassPathElements) { 1952 alreadyDexOpted.add(element); 1953 } 1954 } else { 1955 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1956 } 1957 1958 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1959 final String[] dexCodeInstructionSets = 1960 getDexCodeInstructionSets( 1961 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1962 1963 /** 1964 * Ensure all external libraries have had dexopt run on them. 1965 */ 1966 if (mSharedLibraries.size() > 0) { 1967 // NOTE: For now, we're compiling these system "shared libraries" 1968 // (and framework jars) into all available architectures. It's possible 1969 // to compile them only when we come across an app that uses them (there's 1970 // already logic for that in scanPackageLI) but that adds some complexity. 1971 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1972 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1973 final String lib = libEntry.path; 1974 if (lib == null) { 1975 continue; 1976 } 1977 1978 try { 1979 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1980 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1981 alreadyDexOpted.add(lib); 1982 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 1983 } 1984 } catch (FileNotFoundException e) { 1985 Slog.w(TAG, "Library not found: " + lib); 1986 } catch (IOException e) { 1987 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1988 + e.getMessage()); 1989 } 1990 } 1991 } 1992 } 1993 1994 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1995 1996 // Gross hack for now: we know this file doesn't contain any 1997 // code, so don't dexopt it to avoid the resulting log spew. 1998 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1999 2000 // Gross hack for now: we know this file is only part of 2001 // the boot class path for art, so don't dexopt it to 2002 // avoid the resulting log spew. 2003 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2004 2005 /** 2006 * There are a number of commands implemented in Java, which 2007 * we currently need to do the dexopt on so that they can be 2008 * run from a non-root shell. 2009 */ 2010 String[] frameworkFiles = frameworkDir.list(); 2011 if (frameworkFiles != null) { 2012 // TODO: We could compile these only for the most preferred ABI. We should 2013 // first double check that the dex files for these commands are not referenced 2014 // by other system apps. 2015 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2016 for (int i=0; i<frameworkFiles.length; i++) { 2017 File libPath = new File(frameworkDir, frameworkFiles[i]); 2018 String path = libPath.getPath(); 2019 // Skip the file if we already did it. 2020 if (alreadyDexOpted.contains(path)) { 2021 continue; 2022 } 2023 // Skip the file if it is not a type we want to dexopt. 2024 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2025 continue; 2026 } 2027 try { 2028 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2029 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2030 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded); 2031 } 2032 } catch (FileNotFoundException e) { 2033 Slog.w(TAG, "Jar not found: " + path); 2034 } catch (IOException e) { 2035 Slog.w(TAG, "Exception reading jar: " + path, e); 2036 } 2037 } 2038 } 2039 } 2040 2041 final VersionInfo ver = mSettings.getInternalVersion(); 2042 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2043 // when upgrading from pre-M, promote system app permissions from install to runtime 2044 mPromoteSystemApps = 2045 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2046 2047 // save off the names of pre-existing system packages prior to scanning; we don't 2048 // want to automatically grant runtime permissions for new system apps 2049 if (mPromoteSystemApps) { 2050 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2051 while (pkgSettingIter.hasNext()) { 2052 PackageSetting ps = pkgSettingIter.next(); 2053 if (isSystemApp(ps)) { 2054 mExistingSystemPackages.add(ps.name); 2055 } 2056 } 2057 } 2058 2059 // Collect vendor overlay packages. 2060 // (Do this before scanning any apps.) 2061 // For security and version matching reason, only consider 2062 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2063 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2064 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2065 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2066 2067 // Find base frameworks (resource packages without code). 2068 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2069 | PackageParser.PARSE_IS_SYSTEM_DIR 2070 | PackageParser.PARSE_IS_PRIVILEGED, 2071 scanFlags | SCAN_NO_DEX, 0); 2072 2073 // Collected privileged system packages. 2074 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2075 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2076 | PackageParser.PARSE_IS_SYSTEM_DIR 2077 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2078 2079 // Collect ordinary system packages. 2080 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2081 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2082 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2083 2084 // Collect all vendor packages. 2085 File vendorAppDir = new File("/vendor/app"); 2086 try { 2087 vendorAppDir = vendorAppDir.getCanonicalFile(); 2088 } catch (IOException e) { 2089 // failed to look up canonical path, continue with original one 2090 } 2091 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2092 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2093 2094 // Collect all OEM packages. 2095 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2096 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2097 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2098 2099 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2100 mInstaller.moveFiles(); 2101 2102 // Prune any system packages that no longer exist. 2103 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2104 if (!mOnlyCore) { 2105 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2106 while (psit.hasNext()) { 2107 PackageSetting ps = psit.next(); 2108 2109 /* 2110 * If this is not a system app, it can't be a 2111 * disable system app. 2112 */ 2113 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2114 continue; 2115 } 2116 2117 /* 2118 * If the package is scanned, it's not erased. 2119 */ 2120 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2121 if (scannedPkg != null) { 2122 /* 2123 * If the system app is both scanned and in the 2124 * disabled packages list, then it must have been 2125 * added via OTA. Remove it from the currently 2126 * scanned package so the previously user-installed 2127 * application can be scanned. 2128 */ 2129 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2130 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2131 + ps.name + "; removing system app. Last known codePath=" 2132 + ps.codePathString + ", installStatus=" + ps.installStatus 2133 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2134 + scannedPkg.mVersionCode); 2135 removePackageLI(ps, true); 2136 mExpectingBetter.put(ps.name, ps.codePath); 2137 } 2138 2139 continue; 2140 } 2141 2142 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2143 psit.remove(); 2144 logCriticalInfo(Log.WARN, "System package " + ps.name 2145 + " no longer exists; wiping its data"); 2146 removeDataDirsLI(null, ps.name); 2147 } else { 2148 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2149 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2150 possiblyDeletedUpdatedSystemApps.add(ps.name); 2151 } 2152 } 2153 } 2154 } 2155 2156 //look for any incomplete package installations 2157 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2158 //clean up list 2159 for(int i = 0; i < deletePkgsList.size(); i++) { 2160 //clean up here 2161 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2162 } 2163 //delete tmp files 2164 deleteTempPackageFiles(); 2165 2166 // Remove any shared userIDs that have no associated packages 2167 mSettings.pruneSharedUsersLPw(); 2168 2169 if (!mOnlyCore) { 2170 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2171 SystemClock.uptimeMillis()); 2172 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2173 2174 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2175 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2176 2177 /** 2178 * Remove disable package settings for any updated system 2179 * apps that were removed via an OTA. If they're not a 2180 * previously-updated app, remove them completely. 2181 * Otherwise, just revoke their system-level permissions. 2182 */ 2183 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2184 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2185 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2186 2187 String msg; 2188 if (deletedPkg == null) { 2189 msg = "Updated system package " + deletedAppName 2190 + " no longer exists; wiping its data"; 2191 removeDataDirsLI(null, deletedAppName); 2192 } else { 2193 msg = "Updated system app + " + deletedAppName 2194 + " no longer present; removing system privileges for " 2195 + deletedAppName; 2196 2197 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2198 2199 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2200 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2201 } 2202 logCriticalInfo(Log.WARN, msg); 2203 } 2204 2205 /** 2206 * Make sure all system apps that we expected to appear on 2207 * the userdata partition actually showed up. If they never 2208 * appeared, crawl back and revive the system version. 2209 */ 2210 for (int i = 0; i < mExpectingBetter.size(); i++) { 2211 final String packageName = mExpectingBetter.keyAt(i); 2212 if (!mPackages.containsKey(packageName)) { 2213 final File scanFile = mExpectingBetter.valueAt(i); 2214 2215 logCriticalInfo(Log.WARN, "Expected better " + packageName 2216 + " but never showed up; reverting to system"); 2217 2218 final int reparseFlags; 2219 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2220 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2221 | PackageParser.PARSE_IS_SYSTEM_DIR 2222 | PackageParser.PARSE_IS_PRIVILEGED; 2223 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2224 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2225 | PackageParser.PARSE_IS_SYSTEM_DIR; 2226 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2227 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2228 | PackageParser.PARSE_IS_SYSTEM_DIR; 2229 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2230 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2231 | PackageParser.PARSE_IS_SYSTEM_DIR; 2232 } else { 2233 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2234 continue; 2235 } 2236 2237 mSettings.enableSystemPackageLPw(packageName); 2238 2239 try { 2240 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2241 } catch (PackageManagerException e) { 2242 Slog.e(TAG, "Failed to parse original system package: " 2243 + e.getMessage()); 2244 } 2245 } 2246 } 2247 } 2248 mExpectingBetter.clear(); 2249 2250 // Now that we know all of the shared libraries, update all clients to have 2251 // the correct library paths. 2252 updateAllSharedLibrariesLPw(); 2253 2254 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2255 // NOTE: We ignore potential failures here during a system scan (like 2256 // the rest of the commands above) because there's precious little we 2257 // can do about it. A settings error is reported, though. 2258 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2259 false /* force dexopt */, false /* defer dexopt */); 2260 } 2261 2262 // Now that we know all the packages we are keeping, 2263 // read and update their last usage times. 2264 mPackageUsage.readLP(); 2265 2266 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2267 SystemClock.uptimeMillis()); 2268 Slog.i(TAG, "Time to scan packages: " 2269 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2270 + " seconds"); 2271 2272 // If the platform SDK has changed since the last time we booted, 2273 // we need to re-grant app permission to catch any new ones that 2274 // appear. This is really a hack, and means that apps can in some 2275 // cases get permissions that the user didn't initially explicitly 2276 // allow... it would be nice to have some better way to handle 2277 // this situation. 2278 int updateFlags = UPDATE_PERMISSIONS_ALL; 2279 if (ver.sdkVersion != mSdkVersion) { 2280 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2281 + mSdkVersion + "; regranting permissions for internal storage"); 2282 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2283 } 2284 updatePermissionsLPw(null, null, updateFlags); 2285 ver.sdkVersion = mSdkVersion; 2286 // clear only after permissions have been updated 2287 mExistingSystemPackages.clear(); 2288 mPromoteSystemApps = false; 2289 2290 // If this is the first boot, and it is a normal boot, then 2291 // we need to initialize the default preferred apps. 2292 if (!mRestoredSettings && !onlyCore) { 2293 mSettings.applyDefaultPreferredAppsLPw(this, UserHandle.USER_OWNER); 2294 applyFactoryDefaultBrowserLPw(UserHandle.USER_OWNER); 2295 primeDomainVerificationsLPw(UserHandle.USER_OWNER); 2296 } 2297 2298 // If this is first boot after an OTA, and a normal boot, then 2299 // we need to clear code cache directories. 2300 if (mIsUpgrade && !onlyCore) { 2301 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2302 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2303 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2304 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2305 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2306 } 2307 } 2308 ver.fingerprint = Build.FINGERPRINT; 2309 } 2310 2311 checkDefaultBrowser(); 2312 2313 // All the changes are done during package scanning. 2314 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2315 2316 // can downgrade to reader 2317 mSettings.writeLPr(); 2318 2319 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2320 SystemClock.uptimeMillis()); 2321 2322 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2323 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2324 2325 mInstallerService = new PackageInstallerService(context, this); 2326 2327 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2328 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2329 mIntentFilterVerifierComponent); 2330 2331 } // synchronized (mPackages) 2332 } // synchronized (mInstallLock) 2333 2334 // Now after opening every single application zip, make sure they 2335 // are all flushed. Not really needed, but keeps things nice and 2336 // tidy. 2337 Runtime.getRuntime().gc(); 2338 2339 // Expose private service for system components to use. 2340 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2341 } 2342 2343 @Override 2344 public boolean isFirstBoot() { 2345 return !mRestoredSettings; 2346 } 2347 2348 @Override 2349 public boolean isOnlyCoreApps() { 2350 return mOnlyCore; 2351 } 2352 2353 @Override 2354 public boolean isUpgrade() { 2355 return mIsUpgrade; 2356 } 2357 2358 private String getRequiredVerifierLPr() { 2359 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2360 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2361 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2362 2363 String requiredVerifier = null; 2364 2365 final int N = receivers.size(); 2366 for (int i = 0; i < N; i++) { 2367 final ResolveInfo info = receivers.get(i); 2368 2369 if (info.activityInfo == null) { 2370 continue; 2371 } 2372 2373 final String packageName = info.activityInfo.packageName; 2374 2375 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2376 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2377 continue; 2378 } 2379 2380 if (requiredVerifier != null) { 2381 throw new RuntimeException("There can be only one required verifier"); 2382 } 2383 2384 requiredVerifier = packageName; 2385 } 2386 2387 return requiredVerifier; 2388 } 2389 2390 private String getRequiredInstallerLPr() { 2391 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2392 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2393 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2394 2395 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2396 PACKAGE_MIME_TYPE, 0, 0); 2397 2398 String requiredInstaller = null; 2399 2400 final int N = installers.size(); 2401 for (int i = 0; i < N; i++) { 2402 final ResolveInfo info = installers.get(i); 2403 final String packageName = info.activityInfo.packageName; 2404 2405 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2406 continue; 2407 } 2408 2409 if (requiredInstaller != null) { 2410 throw new RuntimeException("There must be one required installer"); 2411 } 2412 2413 requiredInstaller = packageName; 2414 } 2415 2416 if (requiredInstaller == null) { 2417 throw new RuntimeException("There must be one required installer"); 2418 } 2419 2420 return requiredInstaller; 2421 } 2422 2423 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2424 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2425 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2426 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2427 2428 ComponentName verifierComponentName = null; 2429 2430 int priority = -1000; 2431 final int N = receivers.size(); 2432 for (int i = 0; i < N; i++) { 2433 final ResolveInfo info = receivers.get(i); 2434 2435 if (info.activityInfo == null) { 2436 continue; 2437 } 2438 2439 final String packageName = info.activityInfo.packageName; 2440 2441 final PackageSetting ps = mSettings.mPackages.get(packageName); 2442 if (ps == null) { 2443 continue; 2444 } 2445 2446 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2447 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2448 continue; 2449 } 2450 2451 // Select the IntentFilterVerifier with the highest priority 2452 if (priority < info.priority) { 2453 priority = info.priority; 2454 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2455 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2456 + verifierComponentName + " with priority: " + info.priority); 2457 } 2458 } 2459 2460 return verifierComponentName; 2461 } 2462 2463 private void primeDomainVerificationsLPw(int userId) { 2464 if (DEBUG_DOMAIN_VERIFICATION) { 2465 Slog.d(TAG, "Priming domain verifications in user " + userId); 2466 } 2467 2468 SystemConfig systemConfig = SystemConfig.getInstance(); 2469 ArraySet<String> packages = systemConfig.getLinkedApps(); 2470 ArraySet<String> domains = new ArraySet<String>(); 2471 2472 for (String packageName : packages) { 2473 PackageParser.Package pkg = mPackages.get(packageName); 2474 if (pkg != null) { 2475 if (!pkg.isSystemApp()) { 2476 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2477 continue; 2478 } 2479 2480 domains.clear(); 2481 for (PackageParser.Activity a : pkg.activities) { 2482 for (ActivityIntentInfo filter : a.intents) { 2483 if (hasValidDomains(filter)) { 2484 domains.addAll(filter.getHostsList()); 2485 } 2486 } 2487 } 2488 2489 if (domains.size() > 0) { 2490 if (DEBUG_DOMAIN_VERIFICATION) { 2491 Slog.v(TAG, " + " + packageName); 2492 } 2493 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2494 // state w.r.t. the formal app-linkage "no verification attempted" state; 2495 // and then 'always' in the per-user state actually used for intent resolution. 2496 final IntentFilterVerificationInfo ivi; 2497 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2498 new ArrayList<String>(domains)); 2499 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2500 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2501 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2502 } else { 2503 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2504 + "' does not handle web links"); 2505 } 2506 } else { 2507 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2508 } 2509 } 2510 2511 scheduleWritePackageRestrictionsLocked(userId); 2512 scheduleWriteSettingsLocked(); 2513 } 2514 2515 private void applyFactoryDefaultBrowserLPw(int userId) { 2516 // The default browser app's package name is stored in a string resource, 2517 // with a product-specific overlay used for vendor customization. 2518 String browserPkg = mContext.getResources().getString( 2519 com.android.internal.R.string.default_browser); 2520 if (!TextUtils.isEmpty(browserPkg)) { 2521 // non-empty string => required to be a known package 2522 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2523 if (ps == null) { 2524 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2525 browserPkg = null; 2526 } else { 2527 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2528 } 2529 } 2530 2531 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2532 // default. If there's more than one, just leave everything alone. 2533 if (browserPkg == null) { 2534 calculateDefaultBrowserLPw(userId); 2535 } 2536 } 2537 2538 private void calculateDefaultBrowserLPw(int userId) { 2539 List<String> allBrowsers = resolveAllBrowserApps(userId); 2540 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2541 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2542 } 2543 2544 private List<String> resolveAllBrowserApps(int userId) { 2545 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2546 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2547 PackageManager.MATCH_ALL, userId); 2548 2549 final int count = list.size(); 2550 List<String> result = new ArrayList<String>(count); 2551 for (int i=0; i<count; i++) { 2552 ResolveInfo info = list.get(i); 2553 if (info.activityInfo == null 2554 || !info.handleAllWebDataURI 2555 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2556 || result.contains(info.activityInfo.packageName)) { 2557 continue; 2558 } 2559 result.add(info.activityInfo.packageName); 2560 } 2561 2562 return result; 2563 } 2564 2565 private boolean packageIsBrowser(String packageName, int userId) { 2566 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2567 PackageManager.MATCH_ALL, userId); 2568 final int N = list.size(); 2569 for (int i = 0; i < N; i++) { 2570 ResolveInfo info = list.get(i); 2571 if (packageName.equals(info.activityInfo.packageName)) { 2572 return true; 2573 } 2574 } 2575 return false; 2576 } 2577 2578 private void checkDefaultBrowser() { 2579 final int myUserId = UserHandle.myUserId(); 2580 final String packageName = getDefaultBrowserPackageName(myUserId); 2581 if (packageName != null) { 2582 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2583 if (info == null) { 2584 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2585 synchronized (mPackages) { 2586 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2587 } 2588 } 2589 } 2590 } 2591 2592 @Override 2593 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2594 throws RemoteException { 2595 try { 2596 return super.onTransact(code, data, reply, flags); 2597 } catch (RuntimeException e) { 2598 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2599 Slog.wtf(TAG, "Package Manager Crash", e); 2600 } 2601 throw e; 2602 } 2603 } 2604 2605 void cleanupInstallFailedPackage(PackageSetting ps) { 2606 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2607 2608 removeDataDirsLI(ps.volumeUuid, ps.name); 2609 if (ps.codePath != null) { 2610 if (ps.codePath.isDirectory()) { 2611 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2612 } else { 2613 ps.codePath.delete(); 2614 } 2615 } 2616 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2617 if (ps.resourcePath.isDirectory()) { 2618 FileUtils.deleteContents(ps.resourcePath); 2619 } 2620 ps.resourcePath.delete(); 2621 } 2622 mSettings.removePackageLPw(ps.name); 2623 } 2624 2625 static int[] appendInts(int[] cur, int[] add) { 2626 if (add == null) return cur; 2627 if (cur == null) return add; 2628 final int N = add.length; 2629 for (int i=0; i<N; i++) { 2630 cur = appendInt(cur, add[i]); 2631 } 2632 return cur; 2633 } 2634 2635 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2636 if (!sUserManager.exists(userId)) return null; 2637 final PackageSetting ps = (PackageSetting) p.mExtras; 2638 if (ps == null) { 2639 return null; 2640 } 2641 2642 final PermissionsState permissionsState = ps.getPermissionsState(); 2643 2644 final int[] gids = permissionsState.computeGids(userId); 2645 final Set<String> permissions = permissionsState.getPermissions(userId); 2646 final PackageUserState state = ps.readUserState(userId); 2647 2648 return PackageParser.generatePackageInfo(p, gids, flags, 2649 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2650 } 2651 2652 @Override 2653 public boolean isPackageFrozen(String packageName) { 2654 synchronized (mPackages) { 2655 final PackageSetting ps = mSettings.mPackages.get(packageName); 2656 if (ps != null) { 2657 return ps.frozen; 2658 } 2659 } 2660 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2661 return true; 2662 } 2663 2664 @Override 2665 public boolean isPackageAvailable(String packageName, int userId) { 2666 if (!sUserManager.exists(userId)) return false; 2667 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2668 synchronized (mPackages) { 2669 PackageParser.Package p = mPackages.get(packageName); 2670 if (p != null) { 2671 final PackageSetting ps = (PackageSetting) p.mExtras; 2672 if (ps != null) { 2673 final PackageUserState state = ps.readUserState(userId); 2674 if (state != null) { 2675 return PackageParser.isAvailable(state); 2676 } 2677 } 2678 } 2679 } 2680 return false; 2681 } 2682 2683 @Override 2684 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2685 if (!sUserManager.exists(userId)) return null; 2686 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2687 // reader 2688 synchronized (mPackages) { 2689 PackageParser.Package p = mPackages.get(packageName); 2690 if (DEBUG_PACKAGE_INFO) 2691 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2692 if (p != null) { 2693 return generatePackageInfo(p, flags, userId); 2694 } 2695 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2696 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2697 } 2698 } 2699 return null; 2700 } 2701 2702 @Override 2703 public String[] currentToCanonicalPackageNames(String[] names) { 2704 String[] out = new String[names.length]; 2705 // reader 2706 synchronized (mPackages) { 2707 for (int i=names.length-1; i>=0; i--) { 2708 PackageSetting ps = mSettings.mPackages.get(names[i]); 2709 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2710 } 2711 } 2712 return out; 2713 } 2714 2715 @Override 2716 public String[] canonicalToCurrentPackageNames(String[] names) { 2717 String[] out = new String[names.length]; 2718 // reader 2719 synchronized (mPackages) { 2720 for (int i=names.length-1; i>=0; i--) { 2721 String cur = mSettings.mRenamedPackages.get(names[i]); 2722 out[i] = cur != null ? cur : names[i]; 2723 } 2724 } 2725 return out; 2726 } 2727 2728 @Override 2729 public int getPackageUid(String packageName, int userId) { 2730 if (!sUserManager.exists(userId)) return -1; 2731 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2732 2733 // reader 2734 synchronized (mPackages) { 2735 PackageParser.Package p = mPackages.get(packageName); 2736 if(p != null) { 2737 return UserHandle.getUid(userId, p.applicationInfo.uid); 2738 } 2739 PackageSetting ps = mSettings.mPackages.get(packageName); 2740 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2741 return -1; 2742 } 2743 p = ps.pkg; 2744 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2745 } 2746 } 2747 2748 @Override 2749 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2750 if (!sUserManager.exists(userId)) { 2751 return null; 2752 } 2753 2754 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2755 "getPackageGids"); 2756 2757 // reader 2758 synchronized (mPackages) { 2759 PackageParser.Package p = mPackages.get(packageName); 2760 if (DEBUG_PACKAGE_INFO) { 2761 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2762 } 2763 if (p != null) { 2764 PackageSetting ps = (PackageSetting) p.mExtras; 2765 return ps.getPermissionsState().computeGids(userId); 2766 } 2767 } 2768 2769 return null; 2770 } 2771 2772 static PermissionInfo generatePermissionInfo( 2773 BasePermission bp, int flags) { 2774 if (bp.perm != null) { 2775 return PackageParser.generatePermissionInfo(bp.perm, flags); 2776 } 2777 PermissionInfo pi = new PermissionInfo(); 2778 pi.name = bp.name; 2779 pi.packageName = bp.sourcePackage; 2780 pi.nonLocalizedLabel = bp.name; 2781 pi.protectionLevel = bp.protectionLevel; 2782 return pi; 2783 } 2784 2785 @Override 2786 public PermissionInfo getPermissionInfo(String name, int flags) { 2787 // reader 2788 synchronized (mPackages) { 2789 final BasePermission p = mSettings.mPermissions.get(name); 2790 if (p != null) { 2791 return generatePermissionInfo(p, flags); 2792 } 2793 return null; 2794 } 2795 } 2796 2797 @Override 2798 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2799 // reader 2800 synchronized (mPackages) { 2801 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2802 for (BasePermission p : mSettings.mPermissions.values()) { 2803 if (group == null) { 2804 if (p.perm == null || p.perm.info.group == null) { 2805 out.add(generatePermissionInfo(p, flags)); 2806 } 2807 } else { 2808 if (p.perm != null && group.equals(p.perm.info.group)) { 2809 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2810 } 2811 } 2812 } 2813 2814 if (out.size() > 0) { 2815 return out; 2816 } 2817 return mPermissionGroups.containsKey(group) ? out : null; 2818 } 2819 } 2820 2821 @Override 2822 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2823 // reader 2824 synchronized (mPackages) { 2825 return PackageParser.generatePermissionGroupInfo( 2826 mPermissionGroups.get(name), flags); 2827 } 2828 } 2829 2830 @Override 2831 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2832 // reader 2833 synchronized (mPackages) { 2834 final int N = mPermissionGroups.size(); 2835 ArrayList<PermissionGroupInfo> out 2836 = new ArrayList<PermissionGroupInfo>(N); 2837 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2838 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2839 } 2840 return out; 2841 } 2842 } 2843 2844 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2845 int userId) { 2846 if (!sUserManager.exists(userId)) return null; 2847 PackageSetting ps = mSettings.mPackages.get(packageName); 2848 if (ps != null) { 2849 if (ps.pkg == null) { 2850 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2851 flags, userId); 2852 if (pInfo != null) { 2853 return pInfo.applicationInfo; 2854 } 2855 return null; 2856 } 2857 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2858 ps.readUserState(userId), userId); 2859 } 2860 return null; 2861 } 2862 2863 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2864 int userId) { 2865 if (!sUserManager.exists(userId)) return null; 2866 PackageSetting ps = mSettings.mPackages.get(packageName); 2867 if (ps != null) { 2868 PackageParser.Package pkg = ps.pkg; 2869 if (pkg == null) { 2870 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2871 return null; 2872 } 2873 // Only data remains, so we aren't worried about code paths 2874 pkg = new PackageParser.Package(packageName); 2875 pkg.applicationInfo.packageName = packageName; 2876 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2877 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2878 pkg.applicationInfo.dataDir = Environment 2879 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2880 .getAbsolutePath(); 2881 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2882 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2883 } 2884 return generatePackageInfo(pkg, flags, userId); 2885 } 2886 return null; 2887 } 2888 2889 @Override 2890 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2891 if (!sUserManager.exists(userId)) return null; 2892 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2893 // writer 2894 synchronized (mPackages) { 2895 PackageParser.Package p = mPackages.get(packageName); 2896 if (DEBUG_PACKAGE_INFO) Log.v( 2897 TAG, "getApplicationInfo " + packageName 2898 + ": " + p); 2899 if (p != null) { 2900 PackageSetting ps = mSettings.mPackages.get(packageName); 2901 if (ps == null) return null; 2902 // Note: isEnabledLP() does not apply here - always return info 2903 return PackageParser.generateApplicationInfo( 2904 p, flags, ps.readUserState(userId), userId); 2905 } 2906 if ("android".equals(packageName)||"system".equals(packageName)) { 2907 return mAndroidApplication; 2908 } 2909 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2910 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2911 } 2912 } 2913 return null; 2914 } 2915 2916 @Override 2917 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2918 final IPackageDataObserver observer) { 2919 mContext.enforceCallingOrSelfPermission( 2920 android.Manifest.permission.CLEAR_APP_CACHE, null); 2921 // Queue up an async operation since clearing cache may take a little while. 2922 mHandler.post(new Runnable() { 2923 public void run() { 2924 mHandler.removeCallbacks(this); 2925 int retCode = -1; 2926 synchronized (mInstallLock) { 2927 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2928 if (retCode < 0) { 2929 Slog.w(TAG, "Couldn't clear application caches"); 2930 } 2931 } 2932 if (observer != null) { 2933 try { 2934 observer.onRemoveCompleted(null, (retCode >= 0)); 2935 } catch (RemoteException e) { 2936 Slog.w(TAG, "RemoveException when invoking call back"); 2937 } 2938 } 2939 } 2940 }); 2941 } 2942 2943 @Override 2944 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2945 final IntentSender pi) { 2946 mContext.enforceCallingOrSelfPermission( 2947 android.Manifest.permission.CLEAR_APP_CACHE, null); 2948 // Queue up an async operation since clearing cache may take a little while. 2949 mHandler.post(new Runnable() { 2950 public void run() { 2951 mHandler.removeCallbacks(this); 2952 int retCode = -1; 2953 synchronized (mInstallLock) { 2954 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2955 if (retCode < 0) { 2956 Slog.w(TAG, "Couldn't clear application caches"); 2957 } 2958 } 2959 if(pi != null) { 2960 try { 2961 // Callback via pending intent 2962 int code = (retCode >= 0) ? 1 : 0; 2963 pi.sendIntent(null, code, null, 2964 null, null); 2965 } catch (SendIntentException e1) { 2966 Slog.i(TAG, "Failed to send pending intent"); 2967 } 2968 } 2969 } 2970 }); 2971 } 2972 2973 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 2974 synchronized (mInstallLock) { 2975 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 2976 throw new IOException("Failed to free enough space"); 2977 } 2978 } 2979 } 2980 2981 @Override 2982 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2983 if (!sUserManager.exists(userId)) return null; 2984 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2985 synchronized (mPackages) { 2986 PackageParser.Activity a = mActivities.mActivities.get(component); 2987 2988 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2989 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2990 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2991 if (ps == null) return null; 2992 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2993 userId); 2994 } 2995 if (mResolveComponentName.equals(component)) { 2996 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2997 new PackageUserState(), userId); 2998 } 2999 } 3000 return null; 3001 } 3002 3003 @Override 3004 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3005 String resolvedType) { 3006 synchronized (mPackages) { 3007 if (component.equals(mResolveComponentName)) { 3008 // The resolver supports EVERYTHING! 3009 return true; 3010 } 3011 PackageParser.Activity a = mActivities.mActivities.get(component); 3012 if (a == null) { 3013 return false; 3014 } 3015 for (int i=0; i<a.intents.size(); i++) { 3016 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3017 intent.getData(), intent.getCategories(), TAG) >= 0) { 3018 return true; 3019 } 3020 } 3021 return false; 3022 } 3023 } 3024 3025 @Override 3026 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3027 if (!sUserManager.exists(userId)) return null; 3028 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3029 synchronized (mPackages) { 3030 PackageParser.Activity a = mReceivers.mActivities.get(component); 3031 if (DEBUG_PACKAGE_INFO) Log.v( 3032 TAG, "getReceiverInfo " + component + ": " + a); 3033 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3034 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3035 if (ps == null) return null; 3036 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3037 userId); 3038 } 3039 } 3040 return null; 3041 } 3042 3043 @Override 3044 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3045 if (!sUserManager.exists(userId)) return null; 3046 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3047 synchronized (mPackages) { 3048 PackageParser.Service s = mServices.mServices.get(component); 3049 if (DEBUG_PACKAGE_INFO) Log.v( 3050 TAG, "getServiceInfo " + component + ": " + s); 3051 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3052 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3053 if (ps == null) return null; 3054 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3055 userId); 3056 } 3057 } 3058 return null; 3059 } 3060 3061 @Override 3062 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3063 if (!sUserManager.exists(userId)) return null; 3064 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3065 synchronized (mPackages) { 3066 PackageParser.Provider p = mProviders.mProviders.get(component); 3067 if (DEBUG_PACKAGE_INFO) Log.v( 3068 TAG, "getProviderInfo " + component + ": " + p); 3069 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3070 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3071 if (ps == null) return null; 3072 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3073 userId); 3074 } 3075 } 3076 return null; 3077 } 3078 3079 @Override 3080 public String[] getSystemSharedLibraryNames() { 3081 Set<String> libSet; 3082 synchronized (mPackages) { 3083 libSet = mSharedLibraries.keySet(); 3084 int size = libSet.size(); 3085 if (size > 0) { 3086 String[] libs = new String[size]; 3087 libSet.toArray(libs); 3088 return libs; 3089 } 3090 } 3091 return null; 3092 } 3093 3094 /** 3095 * @hide 3096 */ 3097 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3098 synchronized (mPackages) { 3099 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3100 if (lib != null && lib.apk != null) { 3101 return mPackages.get(lib.apk); 3102 } 3103 } 3104 return null; 3105 } 3106 3107 @Override 3108 public FeatureInfo[] getSystemAvailableFeatures() { 3109 Collection<FeatureInfo> featSet; 3110 synchronized (mPackages) { 3111 featSet = mAvailableFeatures.values(); 3112 int size = featSet.size(); 3113 if (size > 0) { 3114 FeatureInfo[] features = new FeatureInfo[size+1]; 3115 featSet.toArray(features); 3116 FeatureInfo fi = new FeatureInfo(); 3117 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3118 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3119 features[size] = fi; 3120 return features; 3121 } 3122 } 3123 return null; 3124 } 3125 3126 @Override 3127 public boolean hasSystemFeature(String name) { 3128 synchronized (mPackages) { 3129 return mAvailableFeatures.containsKey(name); 3130 } 3131 } 3132 3133 private void checkValidCaller(int uid, int userId) { 3134 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3135 return; 3136 3137 throw new SecurityException("Caller uid=" + uid 3138 + " is not privileged to communicate with user=" + userId); 3139 } 3140 3141 @Override 3142 public int checkPermission(String permName, String pkgName, int userId) { 3143 if (!sUserManager.exists(userId)) { 3144 return PackageManager.PERMISSION_DENIED; 3145 } 3146 3147 synchronized (mPackages) { 3148 final PackageParser.Package p = mPackages.get(pkgName); 3149 if (p != null && p.mExtras != null) { 3150 final PackageSetting ps = (PackageSetting) p.mExtras; 3151 final PermissionsState permissionsState = ps.getPermissionsState(); 3152 if (permissionsState.hasPermission(permName, userId)) { 3153 return PackageManager.PERMISSION_GRANTED; 3154 } 3155 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3156 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3157 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3158 return PackageManager.PERMISSION_GRANTED; 3159 } 3160 } 3161 } 3162 3163 return PackageManager.PERMISSION_DENIED; 3164 } 3165 3166 @Override 3167 public int checkUidPermission(String permName, int uid) { 3168 final int userId = UserHandle.getUserId(uid); 3169 3170 if (!sUserManager.exists(userId)) { 3171 return PackageManager.PERMISSION_DENIED; 3172 } 3173 3174 synchronized (mPackages) { 3175 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3176 if (obj != null) { 3177 final SettingBase ps = (SettingBase) obj; 3178 final PermissionsState permissionsState = ps.getPermissionsState(); 3179 if (permissionsState.hasPermission(permName, userId)) { 3180 return PackageManager.PERMISSION_GRANTED; 3181 } 3182 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3183 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3184 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3185 return PackageManager.PERMISSION_GRANTED; 3186 } 3187 } else { 3188 ArraySet<String> perms = mSystemPermissions.get(uid); 3189 if (perms != null) { 3190 if (perms.contains(permName)) { 3191 return PackageManager.PERMISSION_GRANTED; 3192 } 3193 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3194 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3195 return PackageManager.PERMISSION_GRANTED; 3196 } 3197 } 3198 } 3199 } 3200 3201 return PackageManager.PERMISSION_DENIED; 3202 } 3203 3204 @Override 3205 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3206 if (UserHandle.getCallingUserId() != userId) { 3207 mContext.enforceCallingPermission( 3208 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3209 "isPermissionRevokedByPolicy for user " + userId); 3210 } 3211 3212 if (checkPermission(permission, packageName, userId) 3213 == PackageManager.PERMISSION_GRANTED) { 3214 return false; 3215 } 3216 3217 final long identity = Binder.clearCallingIdentity(); 3218 try { 3219 final int flags = getPermissionFlags(permission, packageName, userId); 3220 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3221 } finally { 3222 Binder.restoreCallingIdentity(identity); 3223 } 3224 } 3225 3226 @Override 3227 public String getPermissionControllerPackageName() { 3228 synchronized (mPackages) { 3229 return mRequiredInstallerPackage; 3230 } 3231 } 3232 3233 /** 3234 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3235 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3236 * @param checkShell TODO(yamasani): 3237 * @param message the message to log on security exception 3238 */ 3239 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3240 boolean checkShell, String message) { 3241 if (userId < 0) { 3242 throw new IllegalArgumentException("Invalid userId " + userId); 3243 } 3244 if (checkShell) { 3245 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3246 } 3247 if (userId == UserHandle.getUserId(callingUid)) return; 3248 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3249 if (requireFullPermission) { 3250 mContext.enforceCallingOrSelfPermission( 3251 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3252 } else { 3253 try { 3254 mContext.enforceCallingOrSelfPermission( 3255 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3256 } catch (SecurityException se) { 3257 mContext.enforceCallingOrSelfPermission( 3258 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3259 } 3260 } 3261 } 3262 } 3263 3264 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3265 if (callingUid == Process.SHELL_UID) { 3266 if (userHandle >= 0 3267 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3268 throw new SecurityException("Shell does not have permission to access user " 3269 + userHandle); 3270 } else if (userHandle < 0) { 3271 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3272 + Debug.getCallers(3)); 3273 } 3274 } 3275 } 3276 3277 private BasePermission findPermissionTreeLP(String permName) { 3278 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3279 if (permName.startsWith(bp.name) && 3280 permName.length() > bp.name.length() && 3281 permName.charAt(bp.name.length()) == '.') { 3282 return bp; 3283 } 3284 } 3285 return null; 3286 } 3287 3288 private BasePermission checkPermissionTreeLP(String permName) { 3289 if (permName != null) { 3290 BasePermission bp = findPermissionTreeLP(permName); 3291 if (bp != null) { 3292 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3293 return bp; 3294 } 3295 throw new SecurityException("Calling uid " 3296 + Binder.getCallingUid() 3297 + " is not allowed to add to permission tree " 3298 + bp.name + " owned by uid " + bp.uid); 3299 } 3300 } 3301 throw new SecurityException("No permission tree found for " + permName); 3302 } 3303 3304 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3305 if (s1 == null) { 3306 return s2 == null; 3307 } 3308 if (s2 == null) { 3309 return false; 3310 } 3311 if (s1.getClass() != s2.getClass()) { 3312 return false; 3313 } 3314 return s1.equals(s2); 3315 } 3316 3317 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3318 if (pi1.icon != pi2.icon) return false; 3319 if (pi1.logo != pi2.logo) return false; 3320 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3321 if (!compareStrings(pi1.name, pi2.name)) return false; 3322 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3323 // We'll take care of setting this one. 3324 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3325 // These are not currently stored in settings. 3326 //if (!compareStrings(pi1.group, pi2.group)) return false; 3327 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3328 //if (pi1.labelRes != pi2.labelRes) return false; 3329 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3330 return true; 3331 } 3332 3333 int permissionInfoFootprint(PermissionInfo info) { 3334 int size = info.name.length(); 3335 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3336 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3337 return size; 3338 } 3339 3340 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3341 int size = 0; 3342 for (BasePermission perm : mSettings.mPermissions.values()) { 3343 if (perm.uid == tree.uid) { 3344 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3345 } 3346 } 3347 return size; 3348 } 3349 3350 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3351 // We calculate the max size of permissions defined by this uid and throw 3352 // if that plus the size of 'info' would exceed our stated maximum. 3353 if (tree.uid != Process.SYSTEM_UID) { 3354 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3355 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3356 throw new SecurityException("Permission tree size cap exceeded"); 3357 } 3358 } 3359 } 3360 3361 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3362 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3363 throw new SecurityException("Label must be specified in permission"); 3364 } 3365 BasePermission tree = checkPermissionTreeLP(info.name); 3366 BasePermission bp = mSettings.mPermissions.get(info.name); 3367 boolean added = bp == null; 3368 boolean changed = true; 3369 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3370 if (added) { 3371 enforcePermissionCapLocked(info, tree); 3372 bp = new BasePermission(info.name, tree.sourcePackage, 3373 BasePermission.TYPE_DYNAMIC); 3374 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3375 throw new SecurityException( 3376 "Not allowed to modify non-dynamic permission " 3377 + info.name); 3378 } else { 3379 if (bp.protectionLevel == fixedLevel 3380 && bp.perm.owner.equals(tree.perm.owner) 3381 && bp.uid == tree.uid 3382 && comparePermissionInfos(bp.perm.info, info)) { 3383 changed = false; 3384 } 3385 } 3386 bp.protectionLevel = fixedLevel; 3387 info = new PermissionInfo(info); 3388 info.protectionLevel = fixedLevel; 3389 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3390 bp.perm.info.packageName = tree.perm.info.packageName; 3391 bp.uid = tree.uid; 3392 if (added) { 3393 mSettings.mPermissions.put(info.name, bp); 3394 } 3395 if (changed) { 3396 if (!async) { 3397 mSettings.writeLPr(); 3398 } else { 3399 scheduleWriteSettingsLocked(); 3400 } 3401 } 3402 return added; 3403 } 3404 3405 @Override 3406 public boolean addPermission(PermissionInfo info) { 3407 synchronized (mPackages) { 3408 return addPermissionLocked(info, false); 3409 } 3410 } 3411 3412 @Override 3413 public boolean addPermissionAsync(PermissionInfo info) { 3414 synchronized (mPackages) { 3415 return addPermissionLocked(info, true); 3416 } 3417 } 3418 3419 @Override 3420 public void removePermission(String name) { 3421 synchronized (mPackages) { 3422 checkPermissionTreeLP(name); 3423 BasePermission bp = mSettings.mPermissions.get(name); 3424 if (bp != null) { 3425 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3426 throw new SecurityException( 3427 "Not allowed to modify non-dynamic permission " 3428 + name); 3429 } 3430 mSettings.mPermissions.remove(name); 3431 mSettings.writeLPr(); 3432 } 3433 } 3434 } 3435 3436 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3437 BasePermission bp) { 3438 int index = pkg.requestedPermissions.indexOf(bp.name); 3439 if (index == -1) { 3440 throw new SecurityException("Package " + pkg.packageName 3441 + " has not requested permission " + bp.name); 3442 } 3443 if (!bp.isRuntime() && !bp.isDevelopment()) { 3444 throw new SecurityException("Permission " + bp.name 3445 + " is not a changeable permission type"); 3446 } 3447 } 3448 3449 @Override 3450 public void grantRuntimePermission(String packageName, String name, final int userId) { 3451 if (!sUserManager.exists(userId)) { 3452 Log.e(TAG, "No such user:" + userId); 3453 return; 3454 } 3455 3456 mContext.enforceCallingOrSelfPermission( 3457 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3458 "grantRuntimePermission"); 3459 3460 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3461 "grantRuntimePermission"); 3462 3463 final int uid; 3464 final SettingBase sb; 3465 3466 synchronized (mPackages) { 3467 final PackageParser.Package pkg = mPackages.get(packageName); 3468 if (pkg == null) { 3469 throw new IllegalArgumentException("Unknown package: " + packageName); 3470 } 3471 3472 final BasePermission bp = mSettings.mPermissions.get(name); 3473 if (bp == null) { 3474 throw new IllegalArgumentException("Unknown permission: " + name); 3475 } 3476 3477 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3478 3479 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3480 sb = (SettingBase) pkg.mExtras; 3481 if (sb == null) { 3482 throw new IllegalArgumentException("Unknown package: " + packageName); 3483 } 3484 3485 final PermissionsState permissionsState = sb.getPermissionsState(); 3486 3487 final int flags = permissionsState.getPermissionFlags(name, userId); 3488 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3489 throw new SecurityException("Cannot grant system fixed permission: " 3490 + name + " for package: " + packageName); 3491 } 3492 3493 if (bp.isDevelopment()) { 3494 // Development permissions must be handled specially, since they are not 3495 // normal runtime permissions. For now they apply to all users. 3496 if (permissionsState.grantInstallPermission(bp) != 3497 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3498 scheduleWriteSettingsLocked(); 3499 } 3500 return; 3501 } 3502 3503 final int result = permissionsState.grantRuntimePermission(bp, userId); 3504 switch (result) { 3505 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3506 return; 3507 } 3508 3509 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3510 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3511 mHandler.post(new Runnable() { 3512 @Override 3513 public void run() { 3514 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3515 } 3516 }); 3517 } break; 3518 } 3519 3520 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3521 3522 // Not critical if that is lost - app has to request again. 3523 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3524 } 3525 3526 // Only need to do this if user is initialized. Otherwise it's a new user 3527 // and there are no processes running as the user yet and there's no need 3528 // to make an expensive call to remount processes for the changed permissions. 3529 if (READ_EXTERNAL_STORAGE.equals(name) 3530 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3531 final long token = Binder.clearCallingIdentity(); 3532 try { 3533 if (sUserManager.isInitialized(userId)) { 3534 MountServiceInternal mountServiceInternal = LocalServices.getService( 3535 MountServiceInternal.class); 3536 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3537 } 3538 } finally { 3539 Binder.restoreCallingIdentity(token); 3540 } 3541 } 3542 } 3543 3544 @Override 3545 public void revokeRuntimePermission(String packageName, String name, int userId) { 3546 if (!sUserManager.exists(userId)) { 3547 Log.e(TAG, "No such user:" + userId); 3548 return; 3549 } 3550 3551 mContext.enforceCallingOrSelfPermission( 3552 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3553 "revokeRuntimePermission"); 3554 3555 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3556 "revokeRuntimePermission"); 3557 3558 final int appId; 3559 3560 synchronized (mPackages) { 3561 final PackageParser.Package pkg = mPackages.get(packageName); 3562 if (pkg == null) { 3563 throw new IllegalArgumentException("Unknown package: " + packageName); 3564 } 3565 3566 final BasePermission bp = mSettings.mPermissions.get(name); 3567 if (bp == null) { 3568 throw new IllegalArgumentException("Unknown permission: " + name); 3569 } 3570 3571 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3572 3573 SettingBase sb = (SettingBase) pkg.mExtras; 3574 if (sb == null) { 3575 throw new IllegalArgumentException("Unknown package: " + packageName); 3576 } 3577 3578 final PermissionsState permissionsState = sb.getPermissionsState(); 3579 3580 final int flags = permissionsState.getPermissionFlags(name, userId); 3581 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3582 throw new SecurityException("Cannot revoke system fixed permission: " 3583 + name + " for package: " + packageName); 3584 } 3585 3586 if (bp.isDevelopment()) { 3587 // Development permissions must be handled specially, since they are not 3588 // normal runtime permissions. For now they apply to all users. 3589 if (permissionsState.revokeInstallPermission(bp) != 3590 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3591 scheduleWriteSettingsLocked(); 3592 } 3593 return; 3594 } 3595 3596 if (permissionsState.revokeRuntimePermission(bp, userId) == 3597 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3598 return; 3599 } 3600 3601 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3602 3603 // Critical, after this call app should never have the permission. 3604 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3605 3606 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3607 } 3608 3609 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3610 } 3611 3612 @Override 3613 public void resetRuntimePermissions() { 3614 mContext.enforceCallingOrSelfPermission( 3615 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3616 "revokeRuntimePermission"); 3617 3618 int callingUid = Binder.getCallingUid(); 3619 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3620 mContext.enforceCallingOrSelfPermission( 3621 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3622 "resetRuntimePermissions"); 3623 } 3624 3625 synchronized (mPackages) { 3626 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3627 for (int userId : UserManagerService.getInstance().getUserIds()) { 3628 final int packageCount = mPackages.size(); 3629 for (int i = 0; i < packageCount; i++) { 3630 PackageParser.Package pkg = mPackages.valueAt(i); 3631 if (!(pkg.mExtras instanceof PackageSetting)) { 3632 continue; 3633 } 3634 PackageSetting ps = (PackageSetting) pkg.mExtras; 3635 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3636 } 3637 } 3638 } 3639 } 3640 3641 @Override 3642 public int getPermissionFlags(String name, String packageName, int userId) { 3643 if (!sUserManager.exists(userId)) { 3644 return 0; 3645 } 3646 3647 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3648 3649 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3650 "getPermissionFlags"); 3651 3652 synchronized (mPackages) { 3653 final PackageParser.Package pkg = mPackages.get(packageName); 3654 if (pkg == null) { 3655 throw new IllegalArgumentException("Unknown package: " + packageName); 3656 } 3657 3658 final BasePermission bp = mSettings.mPermissions.get(name); 3659 if (bp == null) { 3660 throw new IllegalArgumentException("Unknown permission: " + name); 3661 } 3662 3663 SettingBase sb = (SettingBase) pkg.mExtras; 3664 if (sb == null) { 3665 throw new IllegalArgumentException("Unknown package: " + packageName); 3666 } 3667 3668 PermissionsState permissionsState = sb.getPermissionsState(); 3669 return permissionsState.getPermissionFlags(name, userId); 3670 } 3671 } 3672 3673 @Override 3674 public void updatePermissionFlags(String name, String packageName, int flagMask, 3675 int flagValues, int userId) { 3676 if (!sUserManager.exists(userId)) { 3677 return; 3678 } 3679 3680 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3681 3682 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3683 "updatePermissionFlags"); 3684 3685 // Only the system can change these flags and nothing else. 3686 if (getCallingUid() != Process.SYSTEM_UID) { 3687 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3688 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3689 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3690 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3691 } 3692 3693 synchronized (mPackages) { 3694 final PackageParser.Package pkg = mPackages.get(packageName); 3695 if (pkg == null) { 3696 throw new IllegalArgumentException("Unknown package: " + packageName); 3697 } 3698 3699 final BasePermission bp = mSettings.mPermissions.get(name); 3700 if (bp == null) { 3701 throw new IllegalArgumentException("Unknown permission: " + name); 3702 } 3703 3704 SettingBase sb = (SettingBase) pkg.mExtras; 3705 if (sb == null) { 3706 throw new IllegalArgumentException("Unknown package: " + packageName); 3707 } 3708 3709 PermissionsState permissionsState = sb.getPermissionsState(); 3710 3711 // Only the package manager can change flags for system component permissions. 3712 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3713 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3714 return; 3715 } 3716 3717 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3718 3719 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3720 // Install and runtime permissions are stored in different places, 3721 // so figure out what permission changed and persist the change. 3722 if (permissionsState.getInstallPermissionState(name) != null) { 3723 scheduleWriteSettingsLocked(); 3724 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3725 || hadState) { 3726 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3727 } 3728 } 3729 } 3730 } 3731 3732 /** 3733 * Update the permission flags for all packages and runtime permissions of a user in order 3734 * to allow device or profile owner to remove POLICY_FIXED. 3735 */ 3736 @Override 3737 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3738 if (!sUserManager.exists(userId)) { 3739 return; 3740 } 3741 3742 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3743 3744 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3745 "updatePermissionFlagsForAllApps"); 3746 3747 // Only the system can change system fixed flags. 3748 if (getCallingUid() != Process.SYSTEM_UID) { 3749 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3750 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3751 } 3752 3753 synchronized (mPackages) { 3754 boolean changed = false; 3755 final int packageCount = mPackages.size(); 3756 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3757 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3758 SettingBase sb = (SettingBase) pkg.mExtras; 3759 if (sb == null) { 3760 continue; 3761 } 3762 PermissionsState permissionsState = sb.getPermissionsState(); 3763 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3764 userId, flagMask, flagValues); 3765 } 3766 if (changed) { 3767 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3768 } 3769 } 3770 } 3771 3772 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3773 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3774 != PackageManager.PERMISSION_GRANTED 3775 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3776 != PackageManager.PERMISSION_GRANTED) { 3777 throw new SecurityException(message + " requires " 3778 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3779 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3780 } 3781 } 3782 3783 @Override 3784 public boolean shouldShowRequestPermissionRationale(String permissionName, 3785 String packageName, int userId) { 3786 if (UserHandle.getCallingUserId() != userId) { 3787 mContext.enforceCallingPermission( 3788 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3789 "canShowRequestPermissionRationale for user " + userId); 3790 } 3791 3792 final int uid = getPackageUid(packageName, userId); 3793 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3794 return false; 3795 } 3796 3797 if (checkPermission(permissionName, packageName, userId) 3798 == PackageManager.PERMISSION_GRANTED) { 3799 return false; 3800 } 3801 3802 final int flags; 3803 3804 final long identity = Binder.clearCallingIdentity(); 3805 try { 3806 flags = getPermissionFlags(permissionName, 3807 packageName, userId); 3808 } finally { 3809 Binder.restoreCallingIdentity(identity); 3810 } 3811 3812 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3813 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3814 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3815 3816 if ((flags & fixedFlags) != 0) { 3817 return false; 3818 } 3819 3820 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3821 } 3822 3823 @Override 3824 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3825 mContext.enforceCallingOrSelfPermission( 3826 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3827 "addOnPermissionsChangeListener"); 3828 3829 synchronized (mPackages) { 3830 mOnPermissionChangeListeners.addListenerLocked(listener); 3831 } 3832 } 3833 3834 @Override 3835 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3836 synchronized (mPackages) { 3837 mOnPermissionChangeListeners.removeListenerLocked(listener); 3838 } 3839 } 3840 3841 @Override 3842 public boolean isProtectedBroadcast(String actionName) { 3843 synchronized (mPackages) { 3844 return mProtectedBroadcasts.contains(actionName); 3845 } 3846 } 3847 3848 @Override 3849 public int checkSignatures(String pkg1, String pkg2) { 3850 synchronized (mPackages) { 3851 final PackageParser.Package p1 = mPackages.get(pkg1); 3852 final PackageParser.Package p2 = mPackages.get(pkg2); 3853 if (p1 == null || p1.mExtras == null 3854 || p2 == null || p2.mExtras == null) { 3855 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3856 } 3857 return compareSignatures(p1.mSignatures, p2.mSignatures); 3858 } 3859 } 3860 3861 @Override 3862 public int checkUidSignatures(int uid1, int uid2) { 3863 // Map to base uids. 3864 uid1 = UserHandle.getAppId(uid1); 3865 uid2 = UserHandle.getAppId(uid2); 3866 // reader 3867 synchronized (mPackages) { 3868 Signature[] s1; 3869 Signature[] s2; 3870 Object obj = mSettings.getUserIdLPr(uid1); 3871 if (obj != null) { 3872 if (obj instanceof SharedUserSetting) { 3873 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3874 } else if (obj instanceof PackageSetting) { 3875 s1 = ((PackageSetting)obj).signatures.mSignatures; 3876 } else { 3877 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3878 } 3879 } else { 3880 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3881 } 3882 obj = mSettings.getUserIdLPr(uid2); 3883 if (obj != null) { 3884 if (obj instanceof SharedUserSetting) { 3885 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3886 } else if (obj instanceof PackageSetting) { 3887 s2 = ((PackageSetting)obj).signatures.mSignatures; 3888 } else { 3889 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3890 } 3891 } else { 3892 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3893 } 3894 return compareSignatures(s1, s2); 3895 } 3896 } 3897 3898 private void killUid(int appId, int userId, String reason) { 3899 final long identity = Binder.clearCallingIdentity(); 3900 try { 3901 IActivityManager am = ActivityManagerNative.getDefault(); 3902 if (am != null) { 3903 try { 3904 am.killUid(appId, userId, reason); 3905 } catch (RemoteException e) { 3906 /* ignore - same process */ 3907 } 3908 } 3909 } finally { 3910 Binder.restoreCallingIdentity(identity); 3911 } 3912 } 3913 3914 /** 3915 * Compares two sets of signatures. Returns: 3916 * <br /> 3917 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3918 * <br /> 3919 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3920 * <br /> 3921 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3922 * <br /> 3923 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3924 * <br /> 3925 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3926 */ 3927 static int compareSignatures(Signature[] s1, Signature[] s2) { 3928 if (s1 == null) { 3929 return s2 == null 3930 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3931 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3932 } 3933 3934 if (s2 == null) { 3935 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3936 } 3937 3938 if (s1.length != s2.length) { 3939 return PackageManager.SIGNATURE_NO_MATCH; 3940 } 3941 3942 // Since both signature sets are of size 1, we can compare without HashSets. 3943 if (s1.length == 1) { 3944 return s1[0].equals(s2[0]) ? 3945 PackageManager.SIGNATURE_MATCH : 3946 PackageManager.SIGNATURE_NO_MATCH; 3947 } 3948 3949 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3950 for (Signature sig : s1) { 3951 set1.add(sig); 3952 } 3953 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3954 for (Signature sig : s2) { 3955 set2.add(sig); 3956 } 3957 // Make sure s2 contains all signatures in s1. 3958 if (set1.equals(set2)) { 3959 return PackageManager.SIGNATURE_MATCH; 3960 } 3961 return PackageManager.SIGNATURE_NO_MATCH; 3962 } 3963 3964 /** 3965 * If the database version for this type of package (internal storage or 3966 * external storage) is less than the version where package signatures 3967 * were updated, return true. 3968 */ 3969 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3970 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 3971 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 3972 } 3973 3974 /** 3975 * Used for backward compatibility to make sure any packages with 3976 * certificate chains get upgraded to the new style. {@code existingSigs} 3977 * will be in the old format (since they were stored on disk from before the 3978 * system upgrade) and {@code scannedSigs} will be in the newer format. 3979 */ 3980 private int compareSignaturesCompat(PackageSignatures existingSigs, 3981 PackageParser.Package scannedPkg) { 3982 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3983 return PackageManager.SIGNATURE_NO_MATCH; 3984 } 3985 3986 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3987 for (Signature sig : existingSigs.mSignatures) { 3988 existingSet.add(sig); 3989 } 3990 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3991 for (Signature sig : scannedPkg.mSignatures) { 3992 try { 3993 Signature[] chainSignatures = sig.getChainSignatures(); 3994 for (Signature chainSig : chainSignatures) { 3995 scannedCompatSet.add(chainSig); 3996 } 3997 } catch (CertificateEncodingException e) { 3998 scannedCompatSet.add(sig); 3999 } 4000 } 4001 /* 4002 * Make sure the expanded scanned set contains all signatures in the 4003 * existing one. 4004 */ 4005 if (scannedCompatSet.equals(existingSet)) { 4006 // Migrate the old signatures to the new scheme. 4007 existingSigs.assignSignatures(scannedPkg.mSignatures); 4008 // The new KeySets will be re-added later in the scanning process. 4009 synchronized (mPackages) { 4010 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4011 } 4012 return PackageManager.SIGNATURE_MATCH; 4013 } 4014 return PackageManager.SIGNATURE_NO_MATCH; 4015 } 4016 4017 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4018 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4019 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4020 } 4021 4022 private int compareSignaturesRecover(PackageSignatures existingSigs, 4023 PackageParser.Package scannedPkg) { 4024 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4025 return PackageManager.SIGNATURE_NO_MATCH; 4026 } 4027 4028 String msg = null; 4029 try { 4030 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4031 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4032 + scannedPkg.packageName); 4033 return PackageManager.SIGNATURE_MATCH; 4034 } 4035 } catch (CertificateException e) { 4036 msg = e.getMessage(); 4037 } 4038 4039 logCriticalInfo(Log.INFO, 4040 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4041 return PackageManager.SIGNATURE_NO_MATCH; 4042 } 4043 4044 @Override 4045 public String[] getPackagesForUid(int uid) { 4046 uid = UserHandle.getAppId(uid); 4047 // reader 4048 synchronized (mPackages) { 4049 Object obj = mSettings.getUserIdLPr(uid); 4050 if (obj instanceof SharedUserSetting) { 4051 final SharedUserSetting sus = (SharedUserSetting) obj; 4052 final int N = sus.packages.size(); 4053 final String[] res = new String[N]; 4054 final Iterator<PackageSetting> it = sus.packages.iterator(); 4055 int i = 0; 4056 while (it.hasNext()) { 4057 res[i++] = it.next().name; 4058 } 4059 return res; 4060 } else if (obj instanceof PackageSetting) { 4061 final PackageSetting ps = (PackageSetting) obj; 4062 return new String[] { ps.name }; 4063 } 4064 } 4065 return null; 4066 } 4067 4068 @Override 4069 public String getNameForUid(int uid) { 4070 // reader 4071 synchronized (mPackages) { 4072 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4073 if (obj instanceof SharedUserSetting) { 4074 final SharedUserSetting sus = (SharedUserSetting) obj; 4075 return sus.name + ":" + sus.userId; 4076 } else if (obj instanceof PackageSetting) { 4077 final PackageSetting ps = (PackageSetting) obj; 4078 return ps.name; 4079 } 4080 } 4081 return null; 4082 } 4083 4084 @Override 4085 public int getUidForSharedUser(String sharedUserName) { 4086 if(sharedUserName == null) { 4087 return -1; 4088 } 4089 // reader 4090 synchronized (mPackages) { 4091 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4092 if (suid == null) { 4093 return -1; 4094 } 4095 return suid.userId; 4096 } 4097 } 4098 4099 @Override 4100 public int getFlagsForUid(int uid) { 4101 synchronized (mPackages) { 4102 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4103 if (obj instanceof SharedUserSetting) { 4104 final SharedUserSetting sus = (SharedUserSetting) obj; 4105 return sus.pkgFlags; 4106 } else if (obj instanceof PackageSetting) { 4107 final PackageSetting ps = (PackageSetting) obj; 4108 return ps.pkgFlags; 4109 } 4110 } 4111 return 0; 4112 } 4113 4114 @Override 4115 public int getPrivateFlagsForUid(int uid) { 4116 synchronized (mPackages) { 4117 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4118 if (obj instanceof SharedUserSetting) { 4119 final SharedUserSetting sus = (SharedUserSetting) obj; 4120 return sus.pkgPrivateFlags; 4121 } else if (obj instanceof PackageSetting) { 4122 final PackageSetting ps = (PackageSetting) obj; 4123 return ps.pkgPrivateFlags; 4124 } 4125 } 4126 return 0; 4127 } 4128 4129 @Override 4130 public boolean isUidPrivileged(int uid) { 4131 uid = UserHandle.getAppId(uid); 4132 // reader 4133 synchronized (mPackages) { 4134 Object obj = mSettings.getUserIdLPr(uid); 4135 if (obj instanceof SharedUserSetting) { 4136 final SharedUserSetting sus = (SharedUserSetting) obj; 4137 final Iterator<PackageSetting> it = sus.packages.iterator(); 4138 while (it.hasNext()) { 4139 if (it.next().isPrivileged()) { 4140 return true; 4141 } 4142 } 4143 } else if (obj instanceof PackageSetting) { 4144 final PackageSetting ps = (PackageSetting) obj; 4145 return ps.isPrivileged(); 4146 } 4147 } 4148 return false; 4149 } 4150 4151 @Override 4152 public String[] getAppOpPermissionPackages(String permissionName) { 4153 synchronized (mPackages) { 4154 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4155 if (pkgs == null) { 4156 return null; 4157 } 4158 return pkgs.toArray(new String[pkgs.size()]); 4159 } 4160 } 4161 4162 @Override 4163 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4164 int flags, int userId) { 4165 if (!sUserManager.exists(userId)) return null; 4166 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4167 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4168 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4169 } 4170 4171 @Override 4172 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4173 IntentFilter filter, int match, ComponentName activity) { 4174 final int userId = UserHandle.getCallingUserId(); 4175 if (DEBUG_PREFERRED) { 4176 Log.v(TAG, "setLastChosenActivity intent=" + intent 4177 + " resolvedType=" + resolvedType 4178 + " flags=" + flags 4179 + " filter=" + filter 4180 + " match=" + match 4181 + " activity=" + activity); 4182 filter.dump(new PrintStreamPrinter(System.out), " "); 4183 } 4184 intent.setComponent(null); 4185 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4186 // Find any earlier preferred or last chosen entries and nuke them 4187 findPreferredActivity(intent, resolvedType, 4188 flags, query, 0, false, true, false, userId); 4189 // Add the new activity as the last chosen for this filter 4190 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4191 "Setting last chosen"); 4192 } 4193 4194 @Override 4195 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4196 final int userId = UserHandle.getCallingUserId(); 4197 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4198 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4199 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4200 false, false, false, userId); 4201 } 4202 4203 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4204 int flags, List<ResolveInfo> query, int userId) { 4205 if (query != null) { 4206 final int N = query.size(); 4207 if (N == 1) { 4208 return query.get(0); 4209 } else if (N > 1) { 4210 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4211 // If there is more than one activity with the same priority, 4212 // then let the user decide between them. 4213 ResolveInfo r0 = query.get(0); 4214 ResolveInfo r1 = query.get(1); 4215 if (DEBUG_INTENT_MATCHING || debug) { 4216 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4217 + r1.activityInfo.name + "=" + r1.priority); 4218 } 4219 // If the first activity has a higher priority, or a different 4220 // default, then it is always desireable to pick it. 4221 if (r0.priority != r1.priority 4222 || r0.preferredOrder != r1.preferredOrder 4223 || r0.isDefault != r1.isDefault) { 4224 return query.get(0); 4225 } 4226 // If we have saved a preference for a preferred activity for 4227 // this Intent, use that. 4228 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4229 flags, query, r0.priority, true, false, debug, userId); 4230 if (ri != null) { 4231 return ri; 4232 } 4233 ri = new ResolveInfo(mResolveInfo); 4234 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4235 ri.activityInfo.applicationInfo = new ApplicationInfo( 4236 ri.activityInfo.applicationInfo); 4237 if (userId != 0) { 4238 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4239 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4240 } 4241 // Make sure that the resolver is displayable in car mode 4242 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4243 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4244 return ri; 4245 } 4246 } 4247 return null; 4248 } 4249 4250 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4251 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4252 final int N = query.size(); 4253 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4254 .get(userId); 4255 // Get the list of persistent preferred activities that handle the intent 4256 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4257 List<PersistentPreferredActivity> pprefs = ppir != null 4258 ? ppir.queryIntent(intent, resolvedType, 4259 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4260 : null; 4261 if (pprefs != null && pprefs.size() > 0) { 4262 final int M = pprefs.size(); 4263 for (int i=0; i<M; i++) { 4264 final PersistentPreferredActivity ppa = pprefs.get(i); 4265 if (DEBUG_PREFERRED || debug) { 4266 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4267 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4268 + "\n component=" + ppa.mComponent); 4269 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4270 } 4271 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4272 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4273 if (DEBUG_PREFERRED || debug) { 4274 Slog.v(TAG, "Found persistent preferred activity:"); 4275 if (ai != null) { 4276 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4277 } else { 4278 Slog.v(TAG, " null"); 4279 } 4280 } 4281 if (ai == null) { 4282 // This previously registered persistent preferred activity 4283 // component is no longer known. Ignore it and do NOT remove it. 4284 continue; 4285 } 4286 for (int j=0; j<N; j++) { 4287 final ResolveInfo ri = query.get(j); 4288 if (!ri.activityInfo.applicationInfo.packageName 4289 .equals(ai.applicationInfo.packageName)) { 4290 continue; 4291 } 4292 if (!ri.activityInfo.name.equals(ai.name)) { 4293 continue; 4294 } 4295 // Found a persistent preference that can handle the intent. 4296 if (DEBUG_PREFERRED || debug) { 4297 Slog.v(TAG, "Returning persistent preferred activity: " + 4298 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4299 } 4300 return ri; 4301 } 4302 } 4303 } 4304 return null; 4305 } 4306 4307 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4308 List<ResolveInfo> query, int priority, boolean always, 4309 boolean removeMatches, boolean debug, int userId) { 4310 if (!sUserManager.exists(userId)) return null; 4311 // writer 4312 synchronized (mPackages) { 4313 if (intent.getSelector() != null) { 4314 intent = intent.getSelector(); 4315 } 4316 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4317 4318 // Try to find a matching persistent preferred activity. 4319 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4320 debug, userId); 4321 4322 // If a persistent preferred activity matched, use it. 4323 if (pri != null) { 4324 return pri; 4325 } 4326 4327 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4328 // Get the list of preferred activities that handle the intent 4329 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4330 List<PreferredActivity> prefs = pir != null 4331 ? pir.queryIntent(intent, resolvedType, 4332 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4333 : null; 4334 if (prefs != null && prefs.size() > 0) { 4335 boolean changed = false; 4336 try { 4337 // First figure out how good the original match set is. 4338 // We will only allow preferred activities that came 4339 // from the same match quality. 4340 int match = 0; 4341 4342 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4343 4344 final int N = query.size(); 4345 for (int j=0; j<N; j++) { 4346 final ResolveInfo ri = query.get(j); 4347 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4348 + ": 0x" + Integer.toHexString(match)); 4349 if (ri.match > match) { 4350 match = ri.match; 4351 } 4352 } 4353 4354 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4355 + Integer.toHexString(match)); 4356 4357 match &= IntentFilter.MATCH_CATEGORY_MASK; 4358 final int M = prefs.size(); 4359 for (int i=0; i<M; i++) { 4360 final PreferredActivity pa = prefs.get(i); 4361 if (DEBUG_PREFERRED || debug) { 4362 Slog.v(TAG, "Checking PreferredActivity ds=" 4363 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4364 + "\n component=" + pa.mPref.mComponent); 4365 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4366 } 4367 if (pa.mPref.mMatch != match) { 4368 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4369 + Integer.toHexString(pa.mPref.mMatch)); 4370 continue; 4371 } 4372 // If it's not an "always" type preferred activity and that's what we're 4373 // looking for, skip it. 4374 if (always && !pa.mPref.mAlways) { 4375 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4376 continue; 4377 } 4378 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4379 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4380 if (DEBUG_PREFERRED || debug) { 4381 Slog.v(TAG, "Found preferred activity:"); 4382 if (ai != null) { 4383 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4384 } else { 4385 Slog.v(TAG, " null"); 4386 } 4387 } 4388 if (ai == null) { 4389 // This previously registered preferred activity 4390 // component is no longer known. Most likely an update 4391 // to the app was installed and in the new version this 4392 // component no longer exists. Clean it up by removing 4393 // it from the preferred activities list, and skip it. 4394 Slog.w(TAG, "Removing dangling preferred activity: " 4395 + pa.mPref.mComponent); 4396 pir.removeFilter(pa); 4397 changed = true; 4398 continue; 4399 } 4400 for (int j=0; j<N; j++) { 4401 final ResolveInfo ri = query.get(j); 4402 if (!ri.activityInfo.applicationInfo.packageName 4403 .equals(ai.applicationInfo.packageName)) { 4404 continue; 4405 } 4406 if (!ri.activityInfo.name.equals(ai.name)) { 4407 continue; 4408 } 4409 4410 if (removeMatches) { 4411 pir.removeFilter(pa); 4412 changed = true; 4413 if (DEBUG_PREFERRED) { 4414 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4415 } 4416 break; 4417 } 4418 4419 // Okay we found a previously set preferred or last chosen app. 4420 // If the result set is different from when this 4421 // was created, we need to clear it and re-ask the 4422 // user their preference, if we're looking for an "always" type entry. 4423 if (always && !pa.mPref.sameSet(query)) { 4424 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4425 + intent + " type " + resolvedType); 4426 if (DEBUG_PREFERRED) { 4427 Slog.v(TAG, "Removing preferred activity since set changed " 4428 + pa.mPref.mComponent); 4429 } 4430 pir.removeFilter(pa); 4431 // Re-add the filter as a "last chosen" entry (!always) 4432 PreferredActivity lastChosen = new PreferredActivity( 4433 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4434 pir.addFilter(lastChosen); 4435 changed = true; 4436 return null; 4437 } 4438 4439 // Yay! Either the set matched or we're looking for the last chosen 4440 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4441 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4442 return ri; 4443 } 4444 } 4445 } finally { 4446 if (changed) { 4447 if (DEBUG_PREFERRED) { 4448 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4449 } 4450 scheduleWritePackageRestrictionsLocked(userId); 4451 } 4452 } 4453 } 4454 } 4455 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4456 return null; 4457 } 4458 4459 /* 4460 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4461 */ 4462 @Override 4463 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4464 int targetUserId) { 4465 mContext.enforceCallingOrSelfPermission( 4466 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4467 List<CrossProfileIntentFilter> matches = 4468 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4469 if (matches != null) { 4470 int size = matches.size(); 4471 for (int i = 0; i < size; i++) { 4472 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4473 } 4474 } 4475 if (hasWebURI(intent)) { 4476 // cross-profile app linking works only towards the parent. 4477 final UserInfo parent = getProfileParent(sourceUserId); 4478 synchronized(mPackages) { 4479 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4480 intent, resolvedType, 0, sourceUserId, parent.id); 4481 return xpDomainInfo != null; 4482 } 4483 } 4484 return false; 4485 } 4486 4487 private UserInfo getProfileParent(int userId) { 4488 final long identity = Binder.clearCallingIdentity(); 4489 try { 4490 return sUserManager.getProfileParent(userId); 4491 } finally { 4492 Binder.restoreCallingIdentity(identity); 4493 } 4494 } 4495 4496 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4497 String resolvedType, int userId) { 4498 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4499 if (resolver != null) { 4500 return resolver.queryIntent(intent, resolvedType, false, userId); 4501 } 4502 return null; 4503 } 4504 4505 @Override 4506 public List<ResolveInfo> queryIntentActivities(Intent intent, 4507 String resolvedType, int flags, int userId) { 4508 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4509 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4510 ComponentName comp = intent.getComponent(); 4511 if (comp == null) { 4512 if (intent.getSelector() != null) { 4513 intent = intent.getSelector(); 4514 comp = intent.getComponent(); 4515 } 4516 } 4517 4518 if (comp != null) { 4519 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4520 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4521 if (ai != null) { 4522 final ResolveInfo ri = new ResolveInfo(); 4523 ri.activityInfo = ai; 4524 list.add(ri); 4525 } 4526 return list; 4527 } 4528 4529 // reader 4530 synchronized (mPackages) { 4531 final String pkgName = intent.getPackage(); 4532 if (pkgName == null) { 4533 List<CrossProfileIntentFilter> matchingFilters = 4534 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4535 // Check for results that need to skip the current profile. 4536 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4537 resolvedType, flags, userId); 4538 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4539 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4540 result.add(xpResolveInfo); 4541 return filterIfNotPrimaryUser(result, userId); 4542 } 4543 4544 // Check for results in the current profile. 4545 List<ResolveInfo> result = mActivities.queryIntent( 4546 intent, resolvedType, flags, userId); 4547 4548 // Check for cross profile results. 4549 xpResolveInfo = queryCrossProfileIntents( 4550 matchingFilters, intent, resolvedType, flags, userId); 4551 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4552 result.add(xpResolveInfo); 4553 Collections.sort(result, mResolvePrioritySorter); 4554 } 4555 result = filterIfNotPrimaryUser(result, userId); 4556 if (hasWebURI(intent)) { 4557 CrossProfileDomainInfo xpDomainInfo = null; 4558 final UserInfo parent = getProfileParent(userId); 4559 if (parent != null) { 4560 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4561 flags, userId, parent.id); 4562 } 4563 if (xpDomainInfo != null) { 4564 if (xpResolveInfo != null) { 4565 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4566 // in the result. 4567 result.remove(xpResolveInfo); 4568 } 4569 if (result.size() == 0) { 4570 result.add(xpDomainInfo.resolveInfo); 4571 return result; 4572 } 4573 } else if (result.size() <= 1) { 4574 return result; 4575 } 4576 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4577 xpDomainInfo, userId); 4578 Collections.sort(result, mResolvePrioritySorter); 4579 } 4580 return result; 4581 } 4582 final PackageParser.Package pkg = mPackages.get(pkgName); 4583 if (pkg != null) { 4584 return filterIfNotPrimaryUser( 4585 mActivities.queryIntentForPackage( 4586 intent, resolvedType, flags, pkg.activities, userId), 4587 userId); 4588 } 4589 return new ArrayList<ResolveInfo>(); 4590 } 4591 } 4592 4593 private static class CrossProfileDomainInfo { 4594 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4595 ResolveInfo resolveInfo; 4596 /* Best domain verification status of the activities found in the other profile */ 4597 int bestDomainVerificationStatus; 4598 } 4599 4600 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4601 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4602 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4603 sourceUserId)) { 4604 return null; 4605 } 4606 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4607 resolvedType, flags, parentUserId); 4608 4609 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4610 return null; 4611 } 4612 CrossProfileDomainInfo result = null; 4613 int size = resultTargetUser.size(); 4614 for (int i = 0; i < size; i++) { 4615 ResolveInfo riTargetUser = resultTargetUser.get(i); 4616 // Intent filter verification is only for filters that specify a host. So don't return 4617 // those that handle all web uris. 4618 if (riTargetUser.handleAllWebDataURI) { 4619 continue; 4620 } 4621 String packageName = riTargetUser.activityInfo.packageName; 4622 PackageSetting ps = mSettings.mPackages.get(packageName); 4623 if (ps == null) { 4624 continue; 4625 } 4626 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4627 int status = (int)(verificationState >> 32); 4628 if (result == null) { 4629 result = new CrossProfileDomainInfo(); 4630 result.resolveInfo = 4631 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4632 result.bestDomainVerificationStatus = status; 4633 } else { 4634 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4635 result.bestDomainVerificationStatus); 4636 } 4637 } 4638 // Don't consider matches with status NEVER across profiles. 4639 if (result != null && result.bestDomainVerificationStatus 4640 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4641 return null; 4642 } 4643 return result; 4644 } 4645 4646 /** 4647 * Verification statuses are ordered from the worse to the best, except for 4648 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4649 */ 4650 private int bestDomainVerificationStatus(int status1, int status2) { 4651 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4652 return status2; 4653 } 4654 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4655 return status1; 4656 } 4657 return (int) MathUtils.max(status1, status2); 4658 } 4659 4660 private boolean isUserEnabled(int userId) { 4661 long callingId = Binder.clearCallingIdentity(); 4662 try { 4663 UserInfo userInfo = sUserManager.getUserInfo(userId); 4664 return userInfo != null && userInfo.isEnabled(); 4665 } finally { 4666 Binder.restoreCallingIdentity(callingId); 4667 } 4668 } 4669 4670 /** 4671 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4672 * 4673 * @return filtered list 4674 */ 4675 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4676 if (userId == UserHandle.USER_OWNER) { 4677 return resolveInfos; 4678 } 4679 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4680 ResolveInfo info = resolveInfos.get(i); 4681 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4682 resolveInfos.remove(i); 4683 } 4684 } 4685 return resolveInfos; 4686 } 4687 4688 private static boolean hasWebURI(Intent intent) { 4689 if (intent.getData() == null) { 4690 return false; 4691 } 4692 final String scheme = intent.getScheme(); 4693 if (TextUtils.isEmpty(scheme)) { 4694 return false; 4695 } 4696 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4697 } 4698 4699 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4700 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4701 int userId) { 4702 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4703 4704 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4705 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4706 candidates.size()); 4707 } 4708 4709 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4710 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4711 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4712 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4713 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4714 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4715 4716 synchronized (mPackages) { 4717 final int count = candidates.size(); 4718 // First, try to use linked apps. Partition the candidates into four lists: 4719 // one for the final results, one for the "do not use ever", one for "undefined status" 4720 // and finally one for "browser app type". 4721 for (int n=0; n<count; n++) { 4722 ResolveInfo info = candidates.get(n); 4723 String packageName = info.activityInfo.packageName; 4724 PackageSetting ps = mSettings.mPackages.get(packageName); 4725 if (ps != null) { 4726 // Add to the special match all list (Browser use case) 4727 if (info.handleAllWebDataURI) { 4728 matchAllList.add(info); 4729 continue; 4730 } 4731 // Try to get the status from User settings first 4732 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4733 int status = (int)(packedStatus >> 32); 4734 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4735 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4736 if (DEBUG_DOMAIN_VERIFICATION) { 4737 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4738 + " : linkgen=" + linkGeneration); 4739 } 4740 // Use link-enabled generation as preferredOrder, i.e. 4741 // prefer newly-enabled over earlier-enabled. 4742 info.preferredOrder = linkGeneration; 4743 alwaysList.add(info); 4744 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4745 if (DEBUG_DOMAIN_VERIFICATION) { 4746 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4747 } 4748 neverList.add(info); 4749 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4750 if (DEBUG_DOMAIN_VERIFICATION) { 4751 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4752 } 4753 alwaysAskList.add(info); 4754 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4755 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4756 if (DEBUG_DOMAIN_VERIFICATION) { 4757 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4758 } 4759 undefinedList.add(info); 4760 } 4761 } 4762 } 4763 4764 // We'll want to include browser possibilities in a few cases 4765 boolean includeBrowser = false; 4766 4767 // First try to add the "always" resolution(s) for the current user, if any 4768 if (alwaysList.size() > 0) { 4769 result.addAll(alwaysList); 4770 // if there is an "always" for the parent user, add it. 4771 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4772 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4773 result.add(xpDomainInfo.resolveInfo); 4774 } else { 4775 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4776 result.addAll(undefinedList); 4777 if (xpDomainInfo != null && ( 4778 xpDomainInfo.bestDomainVerificationStatus 4779 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4780 || xpDomainInfo.bestDomainVerificationStatus 4781 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4782 result.add(xpDomainInfo.resolveInfo); 4783 } 4784 includeBrowser = true; 4785 } 4786 4787 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4788 // If there were 'always' entries their preferred order has been set, so we also 4789 // back that off to make the alternatives equivalent 4790 if (alwaysAskList.size() > 0) { 4791 for (ResolveInfo i : result) { 4792 i.preferredOrder = 0; 4793 } 4794 result.addAll(alwaysAskList); 4795 includeBrowser = true; 4796 } 4797 4798 if (includeBrowser) { 4799 // Also add browsers (all of them or only the default one) 4800 if (DEBUG_DOMAIN_VERIFICATION) { 4801 Slog.v(TAG, " ...including browsers in candidate set"); 4802 } 4803 if ((matchFlags & MATCH_ALL) != 0) { 4804 result.addAll(matchAllList); 4805 } else { 4806 // Browser/generic handling case. If there's a default browser, go straight 4807 // to that (but only if there is no other higher-priority match). 4808 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4809 int maxMatchPrio = 0; 4810 ResolveInfo defaultBrowserMatch = null; 4811 final int numCandidates = matchAllList.size(); 4812 for (int n = 0; n < numCandidates; n++) { 4813 ResolveInfo info = matchAllList.get(n); 4814 // track the highest overall match priority... 4815 if (info.priority > maxMatchPrio) { 4816 maxMatchPrio = info.priority; 4817 } 4818 // ...and the highest-priority default browser match 4819 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4820 if (defaultBrowserMatch == null 4821 || (defaultBrowserMatch.priority < info.priority)) { 4822 if (debug) { 4823 Slog.v(TAG, "Considering default browser match " + info); 4824 } 4825 defaultBrowserMatch = info; 4826 } 4827 } 4828 } 4829 if (defaultBrowserMatch != null 4830 && defaultBrowserMatch.priority >= maxMatchPrio 4831 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4832 { 4833 if (debug) { 4834 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4835 } 4836 result.add(defaultBrowserMatch); 4837 } else { 4838 result.addAll(matchAllList); 4839 } 4840 } 4841 4842 // If there is nothing selected, add all candidates and remove the ones that the user 4843 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4844 if (result.size() == 0) { 4845 result.addAll(candidates); 4846 result.removeAll(neverList); 4847 } 4848 } 4849 } 4850 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4851 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4852 result.size()); 4853 for (ResolveInfo info : result) { 4854 Slog.v(TAG, " + " + info.activityInfo); 4855 } 4856 } 4857 return result; 4858 } 4859 4860 // Returns a packed value as a long: 4861 // 4862 // high 'int'-sized word: link status: undefined/ask/never/always. 4863 // low 'int'-sized word: relative priority among 'always' results. 4864 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4865 long result = ps.getDomainVerificationStatusForUser(userId); 4866 // if none available, get the master status 4867 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4868 if (ps.getIntentFilterVerificationInfo() != null) { 4869 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4870 } 4871 } 4872 return result; 4873 } 4874 4875 private ResolveInfo querySkipCurrentProfileIntents( 4876 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4877 int flags, int sourceUserId) { 4878 if (matchingFilters != null) { 4879 int size = matchingFilters.size(); 4880 for (int i = 0; i < size; i ++) { 4881 CrossProfileIntentFilter filter = matchingFilters.get(i); 4882 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4883 // Checking if there are activities in the target user that can handle the 4884 // intent. 4885 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4886 flags, sourceUserId); 4887 if (resolveInfo != null) { 4888 return resolveInfo; 4889 } 4890 } 4891 } 4892 } 4893 return null; 4894 } 4895 4896 // Return matching ResolveInfo if any for skip current profile intent filters. 4897 private ResolveInfo queryCrossProfileIntents( 4898 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4899 int flags, int sourceUserId) { 4900 if (matchingFilters != null) { 4901 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4902 // match the same intent. For performance reasons, it is better not to 4903 // run queryIntent twice for the same userId 4904 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4905 int size = matchingFilters.size(); 4906 for (int i = 0; i < size; i++) { 4907 CrossProfileIntentFilter filter = matchingFilters.get(i); 4908 int targetUserId = filter.getTargetUserId(); 4909 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4910 && !alreadyTriedUserIds.get(targetUserId)) { 4911 // Checking if there are activities in the target user that can handle the 4912 // intent. 4913 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4914 flags, sourceUserId); 4915 if (resolveInfo != null) return resolveInfo; 4916 alreadyTriedUserIds.put(targetUserId, true); 4917 } 4918 } 4919 } 4920 return null; 4921 } 4922 4923 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4924 String resolvedType, int flags, int sourceUserId) { 4925 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4926 resolvedType, flags, filter.getTargetUserId()); 4927 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4928 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4929 } 4930 return null; 4931 } 4932 4933 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4934 int sourceUserId, int targetUserId) { 4935 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4936 String className; 4937 if (targetUserId == UserHandle.USER_OWNER) { 4938 className = FORWARD_INTENT_TO_USER_OWNER; 4939 } else { 4940 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4941 } 4942 ComponentName forwardingActivityComponentName = new ComponentName( 4943 mAndroidApplication.packageName, className); 4944 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4945 sourceUserId); 4946 if (targetUserId == UserHandle.USER_OWNER) { 4947 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4948 forwardingResolveInfo.noResourceId = true; 4949 } 4950 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4951 forwardingResolveInfo.priority = 0; 4952 forwardingResolveInfo.preferredOrder = 0; 4953 forwardingResolveInfo.match = 0; 4954 forwardingResolveInfo.isDefault = true; 4955 forwardingResolveInfo.filter = filter; 4956 forwardingResolveInfo.targetUserId = targetUserId; 4957 return forwardingResolveInfo; 4958 } 4959 4960 @Override 4961 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4962 Intent[] specifics, String[] specificTypes, Intent intent, 4963 String resolvedType, int flags, int userId) { 4964 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4965 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4966 false, "query intent activity options"); 4967 final String resultsAction = intent.getAction(); 4968 4969 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4970 | PackageManager.GET_RESOLVED_FILTER, userId); 4971 4972 if (DEBUG_INTENT_MATCHING) { 4973 Log.v(TAG, "Query " + intent + ": " + results); 4974 } 4975 4976 int specificsPos = 0; 4977 int N; 4978 4979 // todo: note that the algorithm used here is O(N^2). This 4980 // isn't a problem in our current environment, but if we start running 4981 // into situations where we have more than 5 or 10 matches then this 4982 // should probably be changed to something smarter... 4983 4984 // First we go through and resolve each of the specific items 4985 // that were supplied, taking care of removing any corresponding 4986 // duplicate items in the generic resolve list. 4987 if (specifics != null) { 4988 for (int i=0; i<specifics.length; i++) { 4989 final Intent sintent = specifics[i]; 4990 if (sintent == null) { 4991 continue; 4992 } 4993 4994 if (DEBUG_INTENT_MATCHING) { 4995 Log.v(TAG, "Specific #" + i + ": " + sintent); 4996 } 4997 4998 String action = sintent.getAction(); 4999 if (resultsAction != null && resultsAction.equals(action)) { 5000 // If this action was explicitly requested, then don't 5001 // remove things that have it. 5002 action = null; 5003 } 5004 5005 ResolveInfo ri = null; 5006 ActivityInfo ai = null; 5007 5008 ComponentName comp = sintent.getComponent(); 5009 if (comp == null) { 5010 ri = resolveIntent( 5011 sintent, 5012 specificTypes != null ? specificTypes[i] : null, 5013 flags, userId); 5014 if (ri == null) { 5015 continue; 5016 } 5017 if (ri == mResolveInfo) { 5018 // ACK! Must do something better with this. 5019 } 5020 ai = ri.activityInfo; 5021 comp = new ComponentName(ai.applicationInfo.packageName, 5022 ai.name); 5023 } else { 5024 ai = getActivityInfo(comp, flags, userId); 5025 if (ai == null) { 5026 continue; 5027 } 5028 } 5029 5030 // Look for any generic query activities that are duplicates 5031 // of this specific one, and remove them from the results. 5032 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5033 N = results.size(); 5034 int j; 5035 for (j=specificsPos; j<N; j++) { 5036 ResolveInfo sri = results.get(j); 5037 if ((sri.activityInfo.name.equals(comp.getClassName()) 5038 && sri.activityInfo.applicationInfo.packageName.equals( 5039 comp.getPackageName())) 5040 || (action != null && sri.filter.matchAction(action))) { 5041 results.remove(j); 5042 if (DEBUG_INTENT_MATCHING) Log.v( 5043 TAG, "Removing duplicate item from " + j 5044 + " due to specific " + specificsPos); 5045 if (ri == null) { 5046 ri = sri; 5047 } 5048 j--; 5049 N--; 5050 } 5051 } 5052 5053 // Add this specific item to its proper place. 5054 if (ri == null) { 5055 ri = new ResolveInfo(); 5056 ri.activityInfo = ai; 5057 } 5058 results.add(specificsPos, ri); 5059 ri.specificIndex = i; 5060 specificsPos++; 5061 } 5062 } 5063 5064 // Now we go through the remaining generic results and remove any 5065 // duplicate actions that are found here. 5066 N = results.size(); 5067 for (int i=specificsPos; i<N-1; i++) { 5068 final ResolveInfo rii = results.get(i); 5069 if (rii.filter == null) { 5070 continue; 5071 } 5072 5073 // Iterate over all of the actions of this result's intent 5074 // filter... typically this should be just one. 5075 final Iterator<String> it = rii.filter.actionsIterator(); 5076 if (it == null) { 5077 continue; 5078 } 5079 while (it.hasNext()) { 5080 final String action = it.next(); 5081 if (resultsAction != null && resultsAction.equals(action)) { 5082 // If this action was explicitly requested, then don't 5083 // remove things that have it. 5084 continue; 5085 } 5086 for (int j=i+1; j<N; j++) { 5087 final ResolveInfo rij = results.get(j); 5088 if (rij.filter != null && rij.filter.hasAction(action)) { 5089 results.remove(j); 5090 if (DEBUG_INTENT_MATCHING) Log.v( 5091 TAG, "Removing duplicate item from " + j 5092 + " due to action " + action + " at " + i); 5093 j--; 5094 N--; 5095 } 5096 } 5097 } 5098 5099 // If the caller didn't request filter information, drop it now 5100 // so we don't have to marshall/unmarshall it. 5101 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5102 rii.filter = null; 5103 } 5104 } 5105 5106 // Filter out the caller activity if so requested. 5107 if (caller != null) { 5108 N = results.size(); 5109 for (int i=0; i<N; i++) { 5110 ActivityInfo ainfo = results.get(i).activityInfo; 5111 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5112 && caller.getClassName().equals(ainfo.name)) { 5113 results.remove(i); 5114 break; 5115 } 5116 } 5117 } 5118 5119 // If the caller didn't request filter information, 5120 // drop them now so we don't have to 5121 // marshall/unmarshall it. 5122 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5123 N = results.size(); 5124 for (int i=0; i<N; i++) { 5125 results.get(i).filter = null; 5126 } 5127 } 5128 5129 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5130 return results; 5131 } 5132 5133 @Override 5134 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5135 int userId) { 5136 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5137 ComponentName comp = intent.getComponent(); 5138 if (comp == null) { 5139 if (intent.getSelector() != null) { 5140 intent = intent.getSelector(); 5141 comp = intent.getComponent(); 5142 } 5143 } 5144 if (comp != null) { 5145 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5146 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5147 if (ai != null) { 5148 ResolveInfo ri = new ResolveInfo(); 5149 ri.activityInfo = ai; 5150 list.add(ri); 5151 } 5152 return list; 5153 } 5154 5155 // reader 5156 synchronized (mPackages) { 5157 String pkgName = intent.getPackage(); 5158 if (pkgName == null) { 5159 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5160 } 5161 final PackageParser.Package pkg = mPackages.get(pkgName); 5162 if (pkg != null) { 5163 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5164 userId); 5165 } 5166 return null; 5167 } 5168 } 5169 5170 @Override 5171 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5172 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5173 if (!sUserManager.exists(userId)) return null; 5174 if (query != null) { 5175 if (query.size() >= 1) { 5176 // If there is more than one service with the same priority, 5177 // just arbitrarily pick the first one. 5178 return query.get(0); 5179 } 5180 } 5181 return null; 5182 } 5183 5184 @Override 5185 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5186 int userId) { 5187 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5188 ComponentName comp = intent.getComponent(); 5189 if (comp == null) { 5190 if (intent.getSelector() != null) { 5191 intent = intent.getSelector(); 5192 comp = intent.getComponent(); 5193 } 5194 } 5195 if (comp != null) { 5196 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5197 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5198 if (si != null) { 5199 final ResolveInfo ri = new ResolveInfo(); 5200 ri.serviceInfo = si; 5201 list.add(ri); 5202 } 5203 return list; 5204 } 5205 5206 // reader 5207 synchronized (mPackages) { 5208 String pkgName = intent.getPackage(); 5209 if (pkgName == null) { 5210 return mServices.queryIntent(intent, resolvedType, flags, userId); 5211 } 5212 final PackageParser.Package pkg = mPackages.get(pkgName); 5213 if (pkg != null) { 5214 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5215 userId); 5216 } 5217 return null; 5218 } 5219 } 5220 5221 @Override 5222 public List<ResolveInfo> queryIntentContentProviders( 5223 Intent intent, String resolvedType, int flags, int userId) { 5224 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5225 ComponentName comp = intent.getComponent(); 5226 if (comp == null) { 5227 if (intent.getSelector() != null) { 5228 intent = intent.getSelector(); 5229 comp = intent.getComponent(); 5230 } 5231 } 5232 if (comp != null) { 5233 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5234 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5235 if (pi != null) { 5236 final ResolveInfo ri = new ResolveInfo(); 5237 ri.providerInfo = pi; 5238 list.add(ri); 5239 } 5240 return list; 5241 } 5242 5243 // reader 5244 synchronized (mPackages) { 5245 String pkgName = intent.getPackage(); 5246 if (pkgName == null) { 5247 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5248 } 5249 final PackageParser.Package pkg = mPackages.get(pkgName); 5250 if (pkg != null) { 5251 return mProviders.queryIntentForPackage( 5252 intent, resolvedType, flags, pkg.providers, userId); 5253 } 5254 return null; 5255 } 5256 } 5257 5258 @Override 5259 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5260 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5261 5262 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5263 5264 // writer 5265 synchronized (mPackages) { 5266 ArrayList<PackageInfo> list; 5267 if (listUninstalled) { 5268 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5269 for (PackageSetting ps : mSettings.mPackages.values()) { 5270 PackageInfo pi; 5271 if (ps.pkg != null) { 5272 pi = generatePackageInfo(ps.pkg, flags, userId); 5273 } else { 5274 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5275 } 5276 if (pi != null) { 5277 list.add(pi); 5278 } 5279 } 5280 } else { 5281 list = new ArrayList<PackageInfo>(mPackages.size()); 5282 for (PackageParser.Package p : mPackages.values()) { 5283 PackageInfo pi = generatePackageInfo(p, flags, userId); 5284 if (pi != null) { 5285 list.add(pi); 5286 } 5287 } 5288 } 5289 5290 return new ParceledListSlice<PackageInfo>(list); 5291 } 5292 } 5293 5294 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5295 String[] permissions, boolean[] tmp, int flags, int userId) { 5296 int numMatch = 0; 5297 final PermissionsState permissionsState = ps.getPermissionsState(); 5298 for (int i=0; i<permissions.length; i++) { 5299 final String permission = permissions[i]; 5300 if (permissionsState.hasPermission(permission, userId)) { 5301 tmp[i] = true; 5302 numMatch++; 5303 } else { 5304 tmp[i] = false; 5305 } 5306 } 5307 if (numMatch == 0) { 5308 return; 5309 } 5310 PackageInfo pi; 5311 if (ps.pkg != null) { 5312 pi = generatePackageInfo(ps.pkg, flags, userId); 5313 } else { 5314 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5315 } 5316 // The above might return null in cases of uninstalled apps or install-state 5317 // skew across users/profiles. 5318 if (pi != null) { 5319 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5320 if (numMatch == permissions.length) { 5321 pi.requestedPermissions = permissions; 5322 } else { 5323 pi.requestedPermissions = new String[numMatch]; 5324 numMatch = 0; 5325 for (int i=0; i<permissions.length; i++) { 5326 if (tmp[i]) { 5327 pi.requestedPermissions[numMatch] = permissions[i]; 5328 numMatch++; 5329 } 5330 } 5331 } 5332 } 5333 list.add(pi); 5334 } 5335 } 5336 5337 @Override 5338 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5339 String[] permissions, int flags, int userId) { 5340 if (!sUserManager.exists(userId)) return null; 5341 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5342 5343 // writer 5344 synchronized (mPackages) { 5345 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5346 boolean[] tmpBools = new boolean[permissions.length]; 5347 if (listUninstalled) { 5348 for (PackageSetting ps : mSettings.mPackages.values()) { 5349 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5350 } 5351 } else { 5352 for (PackageParser.Package pkg : mPackages.values()) { 5353 PackageSetting ps = (PackageSetting)pkg.mExtras; 5354 if (ps != null) { 5355 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5356 userId); 5357 } 5358 } 5359 } 5360 5361 return new ParceledListSlice<PackageInfo>(list); 5362 } 5363 } 5364 5365 @Override 5366 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5367 if (!sUserManager.exists(userId)) return null; 5368 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5369 5370 // writer 5371 synchronized (mPackages) { 5372 ArrayList<ApplicationInfo> list; 5373 if (listUninstalled) { 5374 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5375 for (PackageSetting ps : mSettings.mPackages.values()) { 5376 ApplicationInfo ai; 5377 if (ps.pkg != null) { 5378 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5379 ps.readUserState(userId), userId); 5380 } else { 5381 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5382 } 5383 if (ai != null) { 5384 list.add(ai); 5385 } 5386 } 5387 } else { 5388 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5389 for (PackageParser.Package p : mPackages.values()) { 5390 if (p.mExtras != null) { 5391 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5392 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5393 if (ai != null) { 5394 list.add(ai); 5395 } 5396 } 5397 } 5398 } 5399 5400 return new ParceledListSlice<ApplicationInfo>(list); 5401 } 5402 } 5403 5404 public List<ApplicationInfo> getPersistentApplications(int flags) { 5405 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5406 5407 // reader 5408 synchronized (mPackages) { 5409 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5410 final int userId = UserHandle.getCallingUserId(); 5411 while (i.hasNext()) { 5412 final PackageParser.Package p = i.next(); 5413 if (p.applicationInfo != null 5414 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5415 && (!mSafeMode || isSystemApp(p))) { 5416 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5417 if (ps != null) { 5418 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5419 ps.readUserState(userId), userId); 5420 if (ai != null) { 5421 finalList.add(ai); 5422 } 5423 } 5424 } 5425 } 5426 } 5427 5428 return finalList; 5429 } 5430 5431 @Override 5432 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5433 if (!sUserManager.exists(userId)) return null; 5434 // reader 5435 synchronized (mPackages) { 5436 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5437 PackageSetting ps = provider != null 5438 ? mSettings.mPackages.get(provider.owner.packageName) 5439 : null; 5440 return ps != null 5441 && mSettings.isEnabledLPr(provider.info, flags, userId) 5442 && (!mSafeMode || (provider.info.applicationInfo.flags 5443 &ApplicationInfo.FLAG_SYSTEM) != 0) 5444 ? PackageParser.generateProviderInfo(provider, flags, 5445 ps.readUserState(userId), userId) 5446 : null; 5447 } 5448 } 5449 5450 /** 5451 * @deprecated 5452 */ 5453 @Deprecated 5454 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5455 // reader 5456 synchronized (mPackages) { 5457 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5458 .entrySet().iterator(); 5459 final int userId = UserHandle.getCallingUserId(); 5460 while (i.hasNext()) { 5461 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5462 PackageParser.Provider p = entry.getValue(); 5463 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5464 5465 if (ps != null && p.syncable 5466 && (!mSafeMode || (p.info.applicationInfo.flags 5467 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5468 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5469 ps.readUserState(userId), userId); 5470 if (info != null) { 5471 outNames.add(entry.getKey()); 5472 outInfo.add(info); 5473 } 5474 } 5475 } 5476 } 5477 } 5478 5479 @Override 5480 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5481 int uid, int flags) { 5482 ArrayList<ProviderInfo> finalList = null; 5483 // reader 5484 synchronized (mPackages) { 5485 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5486 final int userId = processName != null ? 5487 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5488 while (i.hasNext()) { 5489 final PackageParser.Provider p = i.next(); 5490 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5491 if (ps != null && p.info.authority != null 5492 && (processName == null 5493 || (p.info.processName.equals(processName) 5494 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5495 && mSettings.isEnabledLPr(p.info, flags, userId) 5496 && (!mSafeMode 5497 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5498 if (finalList == null) { 5499 finalList = new ArrayList<ProviderInfo>(3); 5500 } 5501 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5502 ps.readUserState(userId), userId); 5503 if (info != null) { 5504 finalList.add(info); 5505 } 5506 } 5507 } 5508 } 5509 5510 if (finalList != null) { 5511 Collections.sort(finalList, mProviderInitOrderSorter); 5512 return new ParceledListSlice<ProviderInfo>(finalList); 5513 } 5514 5515 return null; 5516 } 5517 5518 @Override 5519 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5520 int flags) { 5521 // reader 5522 synchronized (mPackages) { 5523 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5524 return PackageParser.generateInstrumentationInfo(i, flags); 5525 } 5526 } 5527 5528 @Override 5529 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5530 int flags) { 5531 ArrayList<InstrumentationInfo> finalList = 5532 new ArrayList<InstrumentationInfo>(); 5533 5534 // reader 5535 synchronized (mPackages) { 5536 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5537 while (i.hasNext()) { 5538 final PackageParser.Instrumentation p = i.next(); 5539 if (targetPackage == null 5540 || targetPackage.equals(p.info.targetPackage)) { 5541 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5542 flags); 5543 if (ii != null) { 5544 finalList.add(ii); 5545 } 5546 } 5547 } 5548 } 5549 5550 return finalList; 5551 } 5552 5553 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5554 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5555 if (overlays == null) { 5556 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5557 return; 5558 } 5559 for (PackageParser.Package opkg : overlays.values()) { 5560 // Not much to do if idmap fails: we already logged the error 5561 // and we certainly don't want to abort installation of pkg simply 5562 // because an overlay didn't fit properly. For these reasons, 5563 // ignore the return value of createIdmapForPackagePairLI. 5564 createIdmapForPackagePairLI(pkg, opkg); 5565 } 5566 } 5567 5568 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5569 PackageParser.Package opkg) { 5570 if (!opkg.mTrustedOverlay) { 5571 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5572 opkg.baseCodePath + ": overlay not trusted"); 5573 return false; 5574 } 5575 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5576 if (overlaySet == null) { 5577 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5578 opkg.baseCodePath + " but target package has no known overlays"); 5579 return false; 5580 } 5581 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5582 // TODO: generate idmap for split APKs 5583 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5584 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5585 + opkg.baseCodePath); 5586 return false; 5587 } 5588 PackageParser.Package[] overlayArray = 5589 overlaySet.values().toArray(new PackageParser.Package[0]); 5590 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5591 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5592 return p1.mOverlayPriority - p2.mOverlayPriority; 5593 } 5594 }; 5595 Arrays.sort(overlayArray, cmp); 5596 5597 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5598 int i = 0; 5599 for (PackageParser.Package p : overlayArray) { 5600 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5601 } 5602 return true; 5603 } 5604 5605 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5606 final File[] files = dir.listFiles(); 5607 if (ArrayUtils.isEmpty(files)) { 5608 Log.d(TAG, "No files in app dir " + dir); 5609 return; 5610 } 5611 5612 if (DEBUG_PACKAGE_SCANNING) { 5613 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5614 + " flags=0x" + Integer.toHexString(parseFlags)); 5615 } 5616 5617 for (File file : files) { 5618 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5619 && !PackageInstallerService.isStageName(file.getName()); 5620 if (!isPackage) { 5621 // Ignore entries which are not packages 5622 continue; 5623 } 5624 try { 5625 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5626 scanFlags, currentTime, null); 5627 } catch (PackageManagerException e) { 5628 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5629 5630 // Delete invalid userdata apps 5631 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5632 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5633 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5634 if (file.isDirectory()) { 5635 mInstaller.rmPackageDir(file.getAbsolutePath()); 5636 } else { 5637 file.delete(); 5638 } 5639 } 5640 } 5641 } 5642 } 5643 5644 private static File getSettingsProblemFile() { 5645 File dataDir = Environment.getDataDirectory(); 5646 File systemDir = new File(dataDir, "system"); 5647 File fname = new File(systemDir, "uiderrors.txt"); 5648 return fname; 5649 } 5650 5651 static void reportSettingsProblem(int priority, String msg) { 5652 logCriticalInfo(priority, msg); 5653 } 5654 5655 static void logCriticalInfo(int priority, String msg) { 5656 Slog.println(priority, TAG, msg); 5657 EventLogTags.writePmCriticalInfo(msg); 5658 try { 5659 File fname = getSettingsProblemFile(); 5660 FileOutputStream out = new FileOutputStream(fname, true); 5661 PrintWriter pw = new FastPrintWriter(out); 5662 SimpleDateFormat formatter = new SimpleDateFormat(); 5663 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5664 pw.println(dateString + ": " + msg); 5665 pw.close(); 5666 FileUtils.setPermissions( 5667 fname.toString(), 5668 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5669 -1, -1); 5670 } catch (java.io.IOException e) { 5671 } 5672 } 5673 5674 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5675 PackageParser.Package pkg, File srcFile, int parseFlags) 5676 throws PackageManagerException { 5677 if (ps != null 5678 && ps.codePath.equals(srcFile) 5679 && ps.timeStamp == srcFile.lastModified() 5680 && !isCompatSignatureUpdateNeeded(pkg) 5681 && !isRecoverSignatureUpdateNeeded(pkg)) { 5682 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5683 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5684 ArraySet<PublicKey> signingKs; 5685 synchronized (mPackages) { 5686 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5687 } 5688 if (ps.signatures.mSignatures != null 5689 && ps.signatures.mSignatures.length != 0 5690 && signingKs != null) { 5691 // Optimization: reuse the existing cached certificates 5692 // if the package appears to be unchanged. 5693 pkg.mSignatures = ps.signatures.mSignatures; 5694 pkg.mSigningKeys = signingKs; 5695 return; 5696 } 5697 5698 Slog.w(TAG, "PackageSetting for " + ps.name 5699 + " is missing signatures. Collecting certs again to recover them."); 5700 } else { 5701 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5702 } 5703 5704 try { 5705 pp.collectCertificates(pkg, parseFlags); 5706 pp.collectManifestDigest(pkg); 5707 } catch (PackageParserException e) { 5708 throw PackageManagerException.from(e); 5709 } 5710 } 5711 5712 /* 5713 * Scan a package and return the newly parsed package. 5714 * Returns null in case of errors and the error code is stored in mLastScanError 5715 */ 5716 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5717 long currentTime, UserHandle user) throws PackageManagerException { 5718 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5719 parseFlags |= mDefParseFlags; 5720 PackageParser pp = new PackageParser(); 5721 pp.setSeparateProcesses(mSeparateProcesses); 5722 pp.setOnlyCoreApps(mOnlyCore); 5723 pp.setDisplayMetrics(mMetrics); 5724 5725 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5726 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5727 } 5728 5729 final PackageParser.Package pkg; 5730 try { 5731 pkg = pp.parsePackage(scanFile, parseFlags); 5732 } catch (PackageParserException e) { 5733 throw PackageManagerException.from(e); 5734 } 5735 5736 PackageSetting ps = null; 5737 PackageSetting updatedPkg; 5738 // reader 5739 synchronized (mPackages) { 5740 // Look to see if we already know about this package. 5741 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5742 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5743 // This package has been renamed to its original name. Let's 5744 // use that. 5745 ps = mSettings.peekPackageLPr(oldName); 5746 } 5747 // If there was no original package, see one for the real package name. 5748 if (ps == null) { 5749 ps = mSettings.peekPackageLPr(pkg.packageName); 5750 } 5751 // Check to see if this package could be hiding/updating a system 5752 // package. Must look for it either under the original or real 5753 // package name depending on our state. 5754 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5755 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5756 } 5757 boolean updatedPkgBetter = false; 5758 // First check if this is a system package that may involve an update 5759 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5760 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5761 // it needs to drop FLAG_PRIVILEGED. 5762 if (locationIsPrivileged(scanFile)) { 5763 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5764 } else { 5765 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5766 } 5767 5768 if (ps != null && !ps.codePath.equals(scanFile)) { 5769 // The path has changed from what was last scanned... check the 5770 // version of the new path against what we have stored to determine 5771 // what to do. 5772 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5773 if (pkg.mVersionCode <= ps.versionCode) { 5774 // The system package has been updated and the code path does not match 5775 // Ignore entry. Skip it. 5776 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5777 + " ignored: updated version " + ps.versionCode 5778 + " better than this " + pkg.mVersionCode); 5779 if (!updatedPkg.codePath.equals(scanFile)) { 5780 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5781 + ps.name + " changing from " + updatedPkg.codePathString 5782 + " to " + scanFile); 5783 updatedPkg.codePath = scanFile; 5784 updatedPkg.codePathString = scanFile.toString(); 5785 updatedPkg.resourcePath = scanFile; 5786 updatedPkg.resourcePathString = scanFile.toString(); 5787 } 5788 updatedPkg.pkg = pkg; 5789 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5790 "Package " + ps.name + " at " + scanFile 5791 + " ignored: updated version " + ps.versionCode 5792 + " better than this " + pkg.mVersionCode); 5793 } else { 5794 // The current app on the system partition is better than 5795 // what we have updated to on the data partition; switch 5796 // back to the system partition version. 5797 // At this point, its safely assumed that package installation for 5798 // apps in system partition will go through. If not there won't be a working 5799 // version of the app 5800 // writer 5801 synchronized (mPackages) { 5802 // Just remove the loaded entries from package lists. 5803 mPackages.remove(ps.name); 5804 } 5805 5806 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5807 + " reverting from " + ps.codePathString 5808 + ": new version " + pkg.mVersionCode 5809 + " better than installed " + ps.versionCode); 5810 5811 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5812 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5813 synchronized (mInstallLock) { 5814 args.cleanUpResourcesLI(); 5815 } 5816 synchronized (mPackages) { 5817 mSettings.enableSystemPackageLPw(ps.name); 5818 } 5819 updatedPkgBetter = true; 5820 } 5821 } 5822 } 5823 5824 if (updatedPkg != null) { 5825 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5826 // initially 5827 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5828 5829 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5830 // flag set initially 5831 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5832 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5833 } 5834 } 5835 5836 // Verify certificates against what was last scanned 5837 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5838 5839 /* 5840 * A new system app appeared, but we already had a non-system one of the 5841 * same name installed earlier. 5842 */ 5843 boolean shouldHideSystemApp = false; 5844 if (updatedPkg == null && ps != null 5845 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5846 /* 5847 * Check to make sure the signatures match first. If they don't, 5848 * wipe the installed application and its data. 5849 */ 5850 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5851 != PackageManager.SIGNATURE_MATCH) { 5852 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5853 + " signatures don't match existing userdata copy; removing"); 5854 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5855 ps = null; 5856 } else { 5857 /* 5858 * If the newly-added system app is an older version than the 5859 * already installed version, hide it. It will be scanned later 5860 * and re-added like an update. 5861 */ 5862 if (pkg.mVersionCode <= ps.versionCode) { 5863 shouldHideSystemApp = true; 5864 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5865 + " but new version " + pkg.mVersionCode + " better than installed " 5866 + ps.versionCode + "; hiding system"); 5867 } else { 5868 /* 5869 * The newly found system app is a newer version that the 5870 * one previously installed. Simply remove the 5871 * already-installed application and replace it with our own 5872 * while keeping the application data. 5873 */ 5874 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5875 + " reverting from " + ps.codePathString + ": new version " 5876 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5877 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5878 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5879 synchronized (mInstallLock) { 5880 args.cleanUpResourcesLI(); 5881 } 5882 } 5883 } 5884 } 5885 5886 // The apk is forward locked (not public) if its code and resources 5887 // are kept in different files. (except for app in either system or 5888 // vendor path). 5889 // TODO grab this value from PackageSettings 5890 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5891 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5892 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5893 } 5894 } 5895 5896 // TODO: extend to support forward-locked splits 5897 String resourcePath = null; 5898 String baseResourcePath = null; 5899 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5900 if (ps != null && ps.resourcePathString != null) { 5901 resourcePath = ps.resourcePathString; 5902 baseResourcePath = ps.resourcePathString; 5903 } else { 5904 // Should not happen at all. Just log an error. 5905 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5906 } 5907 } else { 5908 resourcePath = pkg.codePath; 5909 baseResourcePath = pkg.baseCodePath; 5910 } 5911 5912 // Set application objects path explicitly. 5913 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5914 pkg.applicationInfo.setCodePath(pkg.codePath); 5915 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5916 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5917 pkg.applicationInfo.setResourcePath(resourcePath); 5918 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5919 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5920 5921 // Note that we invoke the following method only if we are about to unpack an application 5922 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5923 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5924 5925 /* 5926 * If the system app should be overridden by a previously installed 5927 * data, hide the system app now and let the /data/app scan pick it up 5928 * again. 5929 */ 5930 if (shouldHideSystemApp) { 5931 synchronized (mPackages) { 5932 mSettings.disableSystemPackageLPw(pkg.packageName); 5933 } 5934 } 5935 5936 return scannedPkg; 5937 } 5938 5939 private static String fixProcessName(String defProcessName, 5940 String processName, int uid) { 5941 if (processName == null) { 5942 return defProcessName; 5943 } 5944 return processName; 5945 } 5946 5947 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5948 throws PackageManagerException { 5949 if (pkgSetting.signatures.mSignatures != null) { 5950 // Already existing package. Make sure signatures match 5951 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5952 == PackageManager.SIGNATURE_MATCH; 5953 if (!match) { 5954 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5955 == PackageManager.SIGNATURE_MATCH; 5956 } 5957 if (!match) { 5958 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5959 == PackageManager.SIGNATURE_MATCH; 5960 } 5961 if (!match) { 5962 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5963 + pkg.packageName + " signatures do not match the " 5964 + "previously installed version; ignoring!"); 5965 } 5966 } 5967 5968 // Check for shared user signatures 5969 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5970 // Already existing package. Make sure signatures match 5971 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5972 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5973 if (!match) { 5974 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5975 == PackageManager.SIGNATURE_MATCH; 5976 } 5977 if (!match) { 5978 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5979 == PackageManager.SIGNATURE_MATCH; 5980 } 5981 if (!match) { 5982 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5983 "Package " + pkg.packageName 5984 + " has no signatures that match those in shared user " 5985 + pkgSetting.sharedUser.name + "; ignoring!"); 5986 } 5987 } 5988 } 5989 5990 /** 5991 * Enforces that only the system UID or root's UID can call a method exposed 5992 * via Binder. 5993 * 5994 * @param message used as message if SecurityException is thrown 5995 * @throws SecurityException if the caller is not system or root 5996 */ 5997 private static final void enforceSystemOrRoot(String message) { 5998 final int uid = Binder.getCallingUid(); 5999 if (uid != Process.SYSTEM_UID && uid != 0) { 6000 throw new SecurityException(message); 6001 } 6002 } 6003 6004 @Override 6005 public void performBootDexOpt() { 6006 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6007 6008 // Before everything else, see whether we need to fstrim. 6009 try { 6010 IMountService ms = PackageHelper.getMountService(); 6011 if (ms != null) { 6012 final boolean isUpgrade = isUpgrade(); 6013 boolean doTrim = isUpgrade; 6014 if (doTrim) { 6015 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6016 } else { 6017 final long interval = android.provider.Settings.Global.getLong( 6018 mContext.getContentResolver(), 6019 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6020 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6021 if (interval > 0) { 6022 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6023 if (timeSinceLast > interval) { 6024 doTrim = true; 6025 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6026 + "; running immediately"); 6027 } 6028 } 6029 } 6030 if (doTrim) { 6031 if (!isFirstBoot()) { 6032 try { 6033 ActivityManagerNative.getDefault().showBootMessage( 6034 mContext.getResources().getString( 6035 R.string.android_upgrading_fstrim), true); 6036 } catch (RemoteException e) { 6037 } 6038 } 6039 ms.runMaintenance(); 6040 } 6041 } else { 6042 Slog.e(TAG, "Mount service unavailable!"); 6043 } 6044 } catch (RemoteException e) { 6045 // Can't happen; MountService is local 6046 } 6047 6048 final ArraySet<PackageParser.Package> pkgs; 6049 synchronized (mPackages) { 6050 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6051 } 6052 6053 if (pkgs != null) { 6054 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6055 // in case the device runs out of space. 6056 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6057 // Give priority to core apps. 6058 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6059 PackageParser.Package pkg = it.next(); 6060 if (pkg.coreApp) { 6061 if (DEBUG_DEXOPT) { 6062 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6063 } 6064 sortedPkgs.add(pkg); 6065 it.remove(); 6066 } 6067 } 6068 // Give priority to system apps that listen for pre boot complete. 6069 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6070 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 6071 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6072 PackageParser.Package pkg = it.next(); 6073 if (pkgNames.contains(pkg.packageName)) { 6074 if (DEBUG_DEXOPT) { 6075 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6076 } 6077 sortedPkgs.add(pkg); 6078 it.remove(); 6079 } 6080 } 6081 // Give priority to system apps. 6082 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6083 PackageParser.Package pkg = it.next(); 6084 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 6085 if (DEBUG_DEXOPT) { 6086 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 6087 } 6088 sortedPkgs.add(pkg); 6089 it.remove(); 6090 } 6091 } 6092 // Give priority to updated system apps. 6093 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6094 PackageParser.Package pkg = it.next(); 6095 if (pkg.isUpdatedSystemApp()) { 6096 if (DEBUG_DEXOPT) { 6097 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 6098 } 6099 sortedPkgs.add(pkg); 6100 it.remove(); 6101 } 6102 } 6103 // Give priority to apps that listen for boot complete. 6104 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 6105 pkgNames = getPackageNamesForIntent(intent); 6106 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6107 PackageParser.Package pkg = it.next(); 6108 if (pkgNames.contains(pkg.packageName)) { 6109 if (DEBUG_DEXOPT) { 6110 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 6111 } 6112 sortedPkgs.add(pkg); 6113 it.remove(); 6114 } 6115 } 6116 // Filter out packages that aren't recently used. 6117 filterRecentlyUsedApps(pkgs); 6118 // Add all remaining apps. 6119 for (PackageParser.Package pkg : pkgs) { 6120 if (DEBUG_DEXOPT) { 6121 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6122 } 6123 sortedPkgs.add(pkg); 6124 } 6125 6126 // If we want to be lazy, filter everything that wasn't recently used. 6127 if (mLazyDexOpt) { 6128 filterRecentlyUsedApps(sortedPkgs); 6129 } 6130 6131 int i = 0; 6132 int total = sortedPkgs.size(); 6133 File dataDir = Environment.getDataDirectory(); 6134 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6135 if (lowThreshold == 0) { 6136 throw new IllegalStateException("Invalid low memory threshold"); 6137 } 6138 for (PackageParser.Package pkg : sortedPkgs) { 6139 long usableSpace = dataDir.getUsableSpace(); 6140 if (usableSpace < lowThreshold) { 6141 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6142 break; 6143 } 6144 performBootDexOpt(pkg, ++i, total); 6145 } 6146 } 6147 } 6148 6149 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6150 // Filter out packages that aren't recently used. 6151 // 6152 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6153 // should do a full dexopt. 6154 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6155 int total = pkgs.size(); 6156 int skipped = 0; 6157 long now = System.currentTimeMillis(); 6158 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6159 PackageParser.Package pkg = i.next(); 6160 long then = pkg.mLastPackageUsageTimeInMills; 6161 if (then + mDexOptLRUThresholdInMills < now) { 6162 if (DEBUG_DEXOPT) { 6163 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6164 ((then == 0) ? "never" : new Date(then))); 6165 } 6166 i.remove(); 6167 skipped++; 6168 } 6169 } 6170 if (DEBUG_DEXOPT) { 6171 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6172 } 6173 } 6174 } 6175 6176 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6177 List<ResolveInfo> ris = null; 6178 try { 6179 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6180 intent, null, 0, UserHandle.USER_OWNER); 6181 } catch (RemoteException e) { 6182 } 6183 ArraySet<String> pkgNames = new ArraySet<String>(); 6184 if (ris != null) { 6185 for (ResolveInfo ri : ris) { 6186 pkgNames.add(ri.activityInfo.packageName); 6187 } 6188 } 6189 return pkgNames; 6190 } 6191 6192 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6193 if (DEBUG_DEXOPT) { 6194 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6195 } 6196 if (!isFirstBoot()) { 6197 try { 6198 ActivityManagerNative.getDefault().showBootMessage( 6199 mContext.getResources().getString(R.string.android_upgrading_apk, 6200 curr, total), true); 6201 } catch (RemoteException e) { 6202 } 6203 } 6204 PackageParser.Package p = pkg; 6205 synchronized (mInstallLock) { 6206 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6207 false /* force dex */, false /* defer */, true /* include dependencies */); 6208 } 6209 } 6210 6211 @Override 6212 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6213 return performDexOpt(packageName, instructionSet, false); 6214 } 6215 6216 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6217 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6218 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6219 if (!dexopt && !updateUsage) { 6220 // We aren't going to dexopt or update usage, so bail early. 6221 return false; 6222 } 6223 PackageParser.Package p; 6224 final String targetInstructionSet; 6225 synchronized (mPackages) { 6226 p = mPackages.get(packageName); 6227 if (p == null) { 6228 return false; 6229 } 6230 if (updateUsage) { 6231 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6232 } 6233 mPackageUsage.write(false); 6234 if (!dexopt) { 6235 // We aren't going to dexopt, so bail early. 6236 return false; 6237 } 6238 6239 targetInstructionSet = instructionSet != null ? instructionSet : 6240 getPrimaryInstructionSet(p.applicationInfo); 6241 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6242 return false; 6243 } 6244 } 6245 long callingId = Binder.clearCallingIdentity(); 6246 try { 6247 synchronized (mInstallLock) { 6248 final String[] instructionSets = new String[] { targetInstructionSet }; 6249 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6250 false /* forceDex */, false /* defer */, true /* inclDependencies */); 6251 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6252 } 6253 } finally { 6254 Binder.restoreCallingIdentity(callingId); 6255 } 6256 } 6257 6258 public ArraySet<String> getPackagesThatNeedDexOpt() { 6259 ArraySet<String> pkgs = null; 6260 synchronized (mPackages) { 6261 for (PackageParser.Package p : mPackages.values()) { 6262 if (DEBUG_DEXOPT) { 6263 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6264 } 6265 if (!p.mDexOptPerformed.isEmpty()) { 6266 continue; 6267 } 6268 if (pkgs == null) { 6269 pkgs = new ArraySet<String>(); 6270 } 6271 pkgs.add(p.packageName); 6272 } 6273 } 6274 return pkgs; 6275 } 6276 6277 public void shutdown() { 6278 mPackageUsage.write(true); 6279 } 6280 6281 @Override 6282 public void forceDexOpt(String packageName) { 6283 enforceSystemOrRoot("forceDexOpt"); 6284 6285 PackageParser.Package pkg; 6286 synchronized (mPackages) { 6287 pkg = mPackages.get(packageName); 6288 if (pkg == null) { 6289 throw new IllegalArgumentException("Missing package: " + packageName); 6290 } 6291 } 6292 6293 synchronized (mInstallLock) { 6294 final String[] instructionSets = new String[] { 6295 getPrimaryInstructionSet(pkg.applicationInfo) }; 6296 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6297 true /*forceDex*/, false /* defer */, true /* inclDependencies */); 6298 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6299 throw new IllegalStateException("Failed to dexopt: " + res); 6300 } 6301 } 6302 } 6303 6304 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6305 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6306 Slog.w(TAG, "Unable to update from " + oldPkg.name 6307 + " to " + newPkg.packageName 6308 + ": old package not in system partition"); 6309 return false; 6310 } else if (mPackages.get(oldPkg.name) != null) { 6311 Slog.w(TAG, "Unable to update from " + oldPkg.name 6312 + " to " + newPkg.packageName 6313 + ": old package still exists"); 6314 return false; 6315 } 6316 return true; 6317 } 6318 6319 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6320 int[] users = sUserManager.getUserIds(); 6321 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6322 if (res < 0) { 6323 return res; 6324 } 6325 for (int user : users) { 6326 if (user != 0) { 6327 res = mInstaller.createUserData(volumeUuid, packageName, 6328 UserHandle.getUid(user, uid), user, seinfo); 6329 if (res < 0) { 6330 return res; 6331 } 6332 } 6333 } 6334 return res; 6335 } 6336 6337 private int removeDataDirsLI(String volumeUuid, String packageName) { 6338 int[] users = sUserManager.getUserIds(); 6339 int res = 0; 6340 for (int user : users) { 6341 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6342 if (resInner < 0) { 6343 res = resInner; 6344 } 6345 } 6346 6347 return res; 6348 } 6349 6350 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6351 int[] users = sUserManager.getUserIds(); 6352 int res = 0; 6353 for (int user : users) { 6354 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6355 if (resInner < 0) { 6356 res = resInner; 6357 } 6358 } 6359 return res; 6360 } 6361 6362 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6363 PackageParser.Package changingLib) { 6364 if (file.path != null) { 6365 usesLibraryFiles.add(file.path); 6366 return; 6367 } 6368 PackageParser.Package p = mPackages.get(file.apk); 6369 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6370 // If we are doing this while in the middle of updating a library apk, 6371 // then we need to make sure to use that new apk for determining the 6372 // dependencies here. (We haven't yet finished committing the new apk 6373 // to the package manager state.) 6374 if (p == null || p.packageName.equals(changingLib.packageName)) { 6375 p = changingLib; 6376 } 6377 } 6378 if (p != null) { 6379 usesLibraryFiles.addAll(p.getAllCodePaths()); 6380 } 6381 } 6382 6383 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6384 PackageParser.Package changingLib) throws PackageManagerException { 6385 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6386 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6387 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6388 for (int i=0; i<N; i++) { 6389 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6390 if (file == null) { 6391 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6392 "Package " + pkg.packageName + " requires unavailable shared library " 6393 + pkg.usesLibraries.get(i) + "; failing!"); 6394 } 6395 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6396 } 6397 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6398 for (int i=0; i<N; i++) { 6399 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6400 if (file == null) { 6401 Slog.w(TAG, "Package " + pkg.packageName 6402 + " desires unavailable shared library " 6403 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6404 } else { 6405 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6406 } 6407 } 6408 N = usesLibraryFiles.size(); 6409 if (N > 0) { 6410 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6411 } else { 6412 pkg.usesLibraryFiles = null; 6413 } 6414 } 6415 } 6416 6417 private static boolean hasString(List<String> list, List<String> which) { 6418 if (list == null) { 6419 return false; 6420 } 6421 for (int i=list.size()-1; i>=0; i--) { 6422 for (int j=which.size()-1; j>=0; j--) { 6423 if (which.get(j).equals(list.get(i))) { 6424 return true; 6425 } 6426 } 6427 } 6428 return false; 6429 } 6430 6431 private void updateAllSharedLibrariesLPw() { 6432 for (PackageParser.Package pkg : mPackages.values()) { 6433 try { 6434 updateSharedLibrariesLPw(pkg, null); 6435 } catch (PackageManagerException e) { 6436 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6437 } 6438 } 6439 } 6440 6441 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6442 PackageParser.Package changingPkg) { 6443 ArrayList<PackageParser.Package> res = null; 6444 for (PackageParser.Package pkg : mPackages.values()) { 6445 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6446 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6447 if (res == null) { 6448 res = new ArrayList<PackageParser.Package>(); 6449 } 6450 res.add(pkg); 6451 try { 6452 updateSharedLibrariesLPw(pkg, changingPkg); 6453 } catch (PackageManagerException e) { 6454 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6455 } 6456 } 6457 } 6458 return res; 6459 } 6460 6461 /** 6462 * Derive the value of the {@code cpuAbiOverride} based on the provided 6463 * value and an optional stored value from the package settings. 6464 */ 6465 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6466 String cpuAbiOverride = null; 6467 6468 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6469 cpuAbiOverride = null; 6470 } else if (abiOverride != null) { 6471 cpuAbiOverride = abiOverride; 6472 } else if (settings != null) { 6473 cpuAbiOverride = settings.cpuAbiOverrideString; 6474 } 6475 6476 return cpuAbiOverride; 6477 } 6478 6479 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6480 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6481 boolean success = false; 6482 try { 6483 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6484 currentTime, user); 6485 success = true; 6486 return res; 6487 } finally { 6488 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6489 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6490 } 6491 } 6492 } 6493 6494 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6495 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6496 final File scanFile = new File(pkg.codePath); 6497 if (pkg.applicationInfo.getCodePath() == null || 6498 pkg.applicationInfo.getResourcePath() == null) { 6499 // Bail out. The resource and code paths haven't been set. 6500 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6501 "Code and resource paths haven't been set correctly"); 6502 } 6503 6504 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6505 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6506 } else { 6507 // Only allow system apps to be flagged as core apps. 6508 pkg.coreApp = false; 6509 } 6510 6511 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6512 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6513 } 6514 6515 if (mCustomResolverComponentName != null && 6516 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6517 setUpCustomResolverActivity(pkg); 6518 } 6519 6520 if (pkg.packageName.equals("android")) { 6521 synchronized (mPackages) { 6522 if (mAndroidApplication != null) { 6523 Slog.w(TAG, "*************************************************"); 6524 Slog.w(TAG, "Core android package being redefined. Skipping."); 6525 Slog.w(TAG, " file=" + scanFile); 6526 Slog.w(TAG, "*************************************************"); 6527 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6528 "Core android package being redefined. Skipping."); 6529 } 6530 6531 // Set up information for our fall-back user intent resolution activity. 6532 mPlatformPackage = pkg; 6533 pkg.mVersionCode = mSdkVersion; 6534 mAndroidApplication = pkg.applicationInfo; 6535 6536 if (!mResolverReplaced) { 6537 mResolveActivity.applicationInfo = mAndroidApplication; 6538 mResolveActivity.name = ResolverActivity.class.getName(); 6539 mResolveActivity.packageName = mAndroidApplication.packageName; 6540 mResolveActivity.processName = "system:ui"; 6541 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6542 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6543 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6544 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6545 mResolveActivity.exported = true; 6546 mResolveActivity.enabled = true; 6547 mResolveInfo.activityInfo = mResolveActivity; 6548 mResolveInfo.priority = 0; 6549 mResolveInfo.preferredOrder = 0; 6550 mResolveInfo.match = 0; 6551 mResolveComponentName = new ComponentName( 6552 mAndroidApplication.packageName, mResolveActivity.name); 6553 } 6554 } 6555 } 6556 6557 if (DEBUG_PACKAGE_SCANNING) { 6558 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6559 Log.d(TAG, "Scanning package " + pkg.packageName); 6560 } 6561 6562 if (mPackages.containsKey(pkg.packageName) 6563 || mSharedLibraries.containsKey(pkg.packageName)) { 6564 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6565 "Application package " + pkg.packageName 6566 + " already installed. Skipping duplicate."); 6567 } 6568 6569 // If we're only installing presumed-existing packages, require that the 6570 // scanned APK is both already known and at the path previously established 6571 // for it. Previously unknown packages we pick up normally, but if we have an 6572 // a priori expectation about this package's install presence, enforce it. 6573 // With a singular exception for new system packages. When an OTA contains 6574 // a new system package, we allow the codepath to change from a system location 6575 // to the user-installed location. If we don't allow this change, any newer, 6576 // user-installed version of the application will be ignored. 6577 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6578 if (mExpectingBetter.containsKey(pkg.packageName)) { 6579 logCriticalInfo(Log.WARN, 6580 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6581 } else { 6582 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6583 if (known != null) { 6584 if (DEBUG_PACKAGE_SCANNING) { 6585 Log.d(TAG, "Examining " + pkg.codePath 6586 + " and requiring known paths " + known.codePathString 6587 + " & " + known.resourcePathString); 6588 } 6589 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6590 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6591 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6592 "Application package " + pkg.packageName 6593 + " found at " + pkg.applicationInfo.getCodePath() 6594 + " but expected at " + known.codePathString + "; ignoring."); 6595 } 6596 } 6597 } 6598 } 6599 6600 // Initialize package source and resource directories 6601 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6602 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6603 6604 SharedUserSetting suid = null; 6605 PackageSetting pkgSetting = null; 6606 6607 if (!isSystemApp(pkg)) { 6608 // Only system apps can use these features. 6609 pkg.mOriginalPackages = null; 6610 pkg.mRealPackage = null; 6611 pkg.mAdoptPermissions = null; 6612 } 6613 6614 // writer 6615 synchronized (mPackages) { 6616 if (pkg.mSharedUserId != null) { 6617 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6618 if (suid == null) { 6619 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6620 "Creating application package " + pkg.packageName 6621 + " for shared user failed"); 6622 } 6623 if (DEBUG_PACKAGE_SCANNING) { 6624 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6625 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6626 + "): packages=" + suid.packages); 6627 } 6628 } 6629 6630 // Check if we are renaming from an original package name. 6631 PackageSetting origPackage = null; 6632 String realName = null; 6633 if (pkg.mOriginalPackages != null) { 6634 // This package may need to be renamed to a previously 6635 // installed name. Let's check on that... 6636 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6637 if (pkg.mOriginalPackages.contains(renamed)) { 6638 // This package had originally been installed as the 6639 // original name, and we have already taken care of 6640 // transitioning to the new one. Just update the new 6641 // one to continue using the old name. 6642 realName = pkg.mRealPackage; 6643 if (!pkg.packageName.equals(renamed)) { 6644 // Callers into this function may have already taken 6645 // care of renaming the package; only do it here if 6646 // it is not already done. 6647 pkg.setPackageName(renamed); 6648 } 6649 6650 } else { 6651 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6652 if ((origPackage = mSettings.peekPackageLPr( 6653 pkg.mOriginalPackages.get(i))) != null) { 6654 // We do have the package already installed under its 6655 // original name... should we use it? 6656 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6657 // New package is not compatible with original. 6658 origPackage = null; 6659 continue; 6660 } else if (origPackage.sharedUser != null) { 6661 // Make sure uid is compatible between packages. 6662 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6663 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6664 + " to " + pkg.packageName + ": old uid " 6665 + origPackage.sharedUser.name 6666 + " differs from " + pkg.mSharedUserId); 6667 origPackage = null; 6668 continue; 6669 } 6670 } else { 6671 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6672 + pkg.packageName + " to old name " + origPackage.name); 6673 } 6674 break; 6675 } 6676 } 6677 } 6678 } 6679 6680 if (mTransferedPackages.contains(pkg.packageName)) { 6681 Slog.w(TAG, "Package " + pkg.packageName 6682 + " was transferred to another, but its .apk remains"); 6683 } 6684 6685 // Just create the setting, don't add it yet. For already existing packages 6686 // the PkgSetting exists already and doesn't have to be created. 6687 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6688 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6689 pkg.applicationInfo.primaryCpuAbi, 6690 pkg.applicationInfo.secondaryCpuAbi, 6691 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6692 user, false); 6693 if (pkgSetting == null) { 6694 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6695 "Creating application package " + pkg.packageName + " failed"); 6696 } 6697 6698 if (pkgSetting.origPackage != null) { 6699 // If we are first transitioning from an original package, 6700 // fix up the new package's name now. We need to do this after 6701 // looking up the package under its new name, so getPackageLP 6702 // can take care of fiddling things correctly. 6703 pkg.setPackageName(origPackage.name); 6704 6705 // File a report about this. 6706 String msg = "New package " + pkgSetting.realName 6707 + " renamed to replace old package " + pkgSetting.name; 6708 reportSettingsProblem(Log.WARN, msg); 6709 6710 // Make a note of it. 6711 mTransferedPackages.add(origPackage.name); 6712 6713 // No longer need to retain this. 6714 pkgSetting.origPackage = null; 6715 } 6716 6717 if (realName != null) { 6718 // Make a note of it. 6719 mTransferedPackages.add(pkg.packageName); 6720 } 6721 6722 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6723 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6724 } 6725 6726 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6727 // Check all shared libraries and map to their actual file path. 6728 // We only do this here for apps not on a system dir, because those 6729 // are the only ones that can fail an install due to this. We 6730 // will take care of the system apps by updating all of their 6731 // library paths after the scan is done. 6732 updateSharedLibrariesLPw(pkg, null); 6733 } 6734 6735 if (mFoundPolicyFile) { 6736 SELinuxMMAC.assignSeinfoValue(pkg); 6737 } 6738 6739 pkg.applicationInfo.uid = pkgSetting.appId; 6740 pkg.mExtras = pkgSetting; 6741 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6742 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6743 // We just determined the app is signed correctly, so bring 6744 // over the latest parsed certs. 6745 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6746 } else { 6747 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6748 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6749 "Package " + pkg.packageName + " upgrade keys do not match the " 6750 + "previously installed version"); 6751 } else { 6752 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6753 String msg = "System package " + pkg.packageName 6754 + " signature changed; retaining data."; 6755 reportSettingsProblem(Log.WARN, msg); 6756 } 6757 } 6758 } else { 6759 try { 6760 verifySignaturesLP(pkgSetting, pkg); 6761 // We just determined the app is signed correctly, so bring 6762 // over the latest parsed certs. 6763 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6764 } catch (PackageManagerException e) { 6765 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6766 throw e; 6767 } 6768 // The signature has changed, but this package is in the system 6769 // image... let's recover! 6770 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6771 // However... if this package is part of a shared user, but it 6772 // doesn't match the signature of the shared user, let's fail. 6773 // What this means is that you can't change the signatures 6774 // associated with an overall shared user, which doesn't seem all 6775 // that unreasonable. 6776 if (pkgSetting.sharedUser != null) { 6777 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6778 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6779 throw new PackageManagerException( 6780 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6781 "Signature mismatch for shared user : " 6782 + pkgSetting.sharedUser); 6783 } 6784 } 6785 // File a report about this. 6786 String msg = "System package " + pkg.packageName 6787 + " signature changed; retaining data."; 6788 reportSettingsProblem(Log.WARN, msg); 6789 } 6790 } 6791 // Verify that this new package doesn't have any content providers 6792 // that conflict with existing packages. Only do this if the 6793 // package isn't already installed, since we don't want to break 6794 // things that are installed. 6795 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6796 final int N = pkg.providers.size(); 6797 int i; 6798 for (i=0; i<N; i++) { 6799 PackageParser.Provider p = pkg.providers.get(i); 6800 if (p.info.authority != null) { 6801 String names[] = p.info.authority.split(";"); 6802 for (int j = 0; j < names.length; j++) { 6803 if (mProvidersByAuthority.containsKey(names[j])) { 6804 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6805 final String otherPackageName = 6806 ((other != null && other.getComponentName() != null) ? 6807 other.getComponentName().getPackageName() : "?"); 6808 throw new PackageManagerException( 6809 INSTALL_FAILED_CONFLICTING_PROVIDER, 6810 "Can't install because provider name " + names[j] 6811 + " (in package " + pkg.applicationInfo.packageName 6812 + ") is already used by " + otherPackageName); 6813 } 6814 } 6815 } 6816 } 6817 } 6818 6819 if (pkg.mAdoptPermissions != null) { 6820 // This package wants to adopt ownership of permissions from 6821 // another package. 6822 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6823 final String origName = pkg.mAdoptPermissions.get(i); 6824 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6825 if (orig != null) { 6826 if (verifyPackageUpdateLPr(orig, pkg)) { 6827 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6828 + pkg.packageName); 6829 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6830 } 6831 } 6832 } 6833 } 6834 } 6835 6836 final String pkgName = pkg.packageName; 6837 6838 final long scanFileTime = scanFile.lastModified(); 6839 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6840 pkg.applicationInfo.processName = fixProcessName( 6841 pkg.applicationInfo.packageName, 6842 pkg.applicationInfo.processName, 6843 pkg.applicationInfo.uid); 6844 6845 File dataPath; 6846 if (mPlatformPackage == pkg) { 6847 // The system package is special. 6848 dataPath = new File(Environment.getDataDirectory(), "system"); 6849 6850 pkg.applicationInfo.dataDir = dataPath.getPath(); 6851 6852 } else { 6853 // This is a normal package, need to make its data directory. 6854 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6855 UserHandle.USER_OWNER, pkg.packageName); 6856 6857 boolean uidError = false; 6858 if (dataPath.exists()) { 6859 int currentUid = 0; 6860 try { 6861 StructStat stat = Os.stat(dataPath.getPath()); 6862 currentUid = stat.st_uid; 6863 } catch (ErrnoException e) { 6864 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6865 } 6866 6867 // If we have mismatched owners for the data path, we have a problem. 6868 if (currentUid != pkg.applicationInfo.uid) { 6869 boolean recovered = false; 6870 if (currentUid == 0) { 6871 // The directory somehow became owned by root. Wow. 6872 // This is probably because the system was stopped while 6873 // installd was in the middle of messing with its libs 6874 // directory. Ask installd to fix that. 6875 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6876 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6877 if (ret >= 0) { 6878 recovered = true; 6879 String msg = "Package " + pkg.packageName 6880 + " unexpectedly changed to uid 0; recovered to " + 6881 + pkg.applicationInfo.uid; 6882 reportSettingsProblem(Log.WARN, msg); 6883 } 6884 } 6885 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6886 || (scanFlags&SCAN_BOOTING) != 0)) { 6887 // If this is a system app, we can at least delete its 6888 // current data so the application will still work. 6889 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6890 if (ret >= 0) { 6891 // TODO: Kill the processes first 6892 // Old data gone! 6893 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6894 ? "System package " : "Third party package "; 6895 String msg = prefix + pkg.packageName 6896 + " has changed from uid: " 6897 + currentUid + " to " 6898 + pkg.applicationInfo.uid + "; old data erased"; 6899 reportSettingsProblem(Log.WARN, msg); 6900 recovered = true; 6901 6902 // And now re-install the app. 6903 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6904 pkg.applicationInfo.seinfo); 6905 if (ret == -1) { 6906 // Ack should not happen! 6907 msg = prefix + pkg.packageName 6908 + " could not have data directory re-created after delete."; 6909 reportSettingsProblem(Log.WARN, msg); 6910 throw new PackageManagerException( 6911 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6912 } 6913 } 6914 if (!recovered) { 6915 mHasSystemUidErrors = true; 6916 } 6917 } else if (!recovered) { 6918 // If we allow this install to proceed, we will be broken. 6919 // Abort, abort! 6920 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6921 "scanPackageLI"); 6922 } 6923 if (!recovered) { 6924 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6925 + pkg.applicationInfo.uid + "/fs_" 6926 + currentUid; 6927 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6928 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6929 String msg = "Package " + pkg.packageName 6930 + " has mismatched uid: " 6931 + currentUid + " on disk, " 6932 + pkg.applicationInfo.uid + " in settings"; 6933 // writer 6934 synchronized (mPackages) { 6935 mSettings.mReadMessages.append(msg); 6936 mSettings.mReadMessages.append('\n'); 6937 uidError = true; 6938 if (!pkgSetting.uidError) { 6939 reportSettingsProblem(Log.ERROR, msg); 6940 } 6941 } 6942 } 6943 } 6944 pkg.applicationInfo.dataDir = dataPath.getPath(); 6945 if (mShouldRestoreconData) { 6946 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6947 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6948 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6949 } 6950 } else { 6951 if (DEBUG_PACKAGE_SCANNING) { 6952 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6953 Log.v(TAG, "Want this data dir: " + dataPath); 6954 } 6955 //invoke installer to do the actual installation 6956 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6957 pkg.applicationInfo.seinfo); 6958 if (ret < 0) { 6959 // Error from installer 6960 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6961 "Unable to create data dirs [errorCode=" + ret + "]"); 6962 } 6963 6964 if (dataPath.exists()) { 6965 pkg.applicationInfo.dataDir = dataPath.getPath(); 6966 } else { 6967 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6968 pkg.applicationInfo.dataDir = null; 6969 } 6970 } 6971 6972 pkgSetting.uidError = uidError; 6973 } 6974 6975 final String path = scanFile.getPath(); 6976 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6977 6978 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6979 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6980 6981 // Some system apps still use directory structure for native libraries 6982 // in which case we might end up not detecting abi solely based on apk 6983 // structure. Try to detect abi based on directory structure. 6984 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6985 pkg.applicationInfo.primaryCpuAbi == null) { 6986 setBundledAppAbisAndRoots(pkg, pkgSetting); 6987 setNativeLibraryPaths(pkg); 6988 } 6989 6990 } else { 6991 if ((scanFlags & SCAN_MOVE) != 0) { 6992 // We haven't run dex-opt for this move (since we've moved the compiled output too) 6993 // but we already have this packages package info in the PackageSetting. We just 6994 // use that and derive the native library path based on the new codepath. 6995 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 6996 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 6997 } 6998 6999 // Set native library paths again. For moves, the path will be updated based on the 7000 // ABIs we've determined above. For non-moves, the path will be updated based on the 7001 // ABIs we determined during compilation, but the path will depend on the final 7002 // package path (after the rename away from the stage path). 7003 setNativeLibraryPaths(pkg); 7004 } 7005 7006 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7007 final int[] userIds = sUserManager.getUserIds(); 7008 synchronized (mInstallLock) { 7009 // Make sure all user data directories are ready to roll; we're okay 7010 // if they already exist 7011 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7012 for (int userId : userIds) { 7013 if (userId != 0) { 7014 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7015 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7016 pkg.applicationInfo.seinfo); 7017 } 7018 } 7019 } 7020 7021 // Create a native library symlink only if we have native libraries 7022 // and if the native libraries are 32 bit libraries. We do not provide 7023 // this symlink for 64 bit libraries. 7024 if (pkg.applicationInfo.primaryCpuAbi != null && 7025 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7026 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7027 for (int userId : userIds) { 7028 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7029 nativeLibPath, userId) < 0) { 7030 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7031 "Failed linking native library dir (user=" + userId + ")"); 7032 } 7033 } 7034 } 7035 } 7036 7037 // This is a special case for the "system" package, where the ABI is 7038 // dictated by the zygote configuration (and init.rc). We should keep track 7039 // of this ABI so that we can deal with "normal" applications that run under 7040 // the same UID correctly. 7041 if (mPlatformPackage == pkg) { 7042 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7043 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7044 } 7045 7046 // If there's a mismatch between the abi-override in the package setting 7047 // and the abiOverride specified for the install. Warn about this because we 7048 // would've already compiled the app without taking the package setting into 7049 // account. 7050 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7051 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7052 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7053 " for package: " + pkg.packageName); 7054 } 7055 } 7056 7057 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7058 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7059 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7060 7061 // Copy the derived override back to the parsed package, so that we can 7062 // update the package settings accordingly. 7063 pkg.cpuAbiOverride = cpuAbiOverride; 7064 7065 if (DEBUG_ABI_SELECTION) { 7066 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7067 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7068 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7069 } 7070 7071 // Push the derived path down into PackageSettings so we know what to 7072 // clean up at uninstall time. 7073 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7074 7075 if (DEBUG_ABI_SELECTION) { 7076 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7077 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7078 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7079 } 7080 7081 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7082 // We don't do this here during boot because we can do it all 7083 // at once after scanning all existing packages. 7084 // 7085 // We also do this *before* we perform dexopt on this package, so that 7086 // we can avoid redundant dexopts, and also to make sure we've got the 7087 // code and package path correct. 7088 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7089 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 7090 } 7091 7092 if ((scanFlags & SCAN_NO_DEX) == 0) { 7093 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7094 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */); 7095 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7096 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7097 } 7098 } 7099 if (mFactoryTest && pkg.requestedPermissions.contains( 7100 android.Manifest.permission.FACTORY_TEST)) { 7101 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7102 } 7103 7104 ArrayList<PackageParser.Package> clientLibPkgs = null; 7105 7106 // writer 7107 synchronized (mPackages) { 7108 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7109 // Only system apps can add new shared libraries. 7110 if (pkg.libraryNames != null) { 7111 for (int i=0; i<pkg.libraryNames.size(); i++) { 7112 String name = pkg.libraryNames.get(i); 7113 boolean allowed = false; 7114 if (pkg.isUpdatedSystemApp()) { 7115 // New library entries can only be added through the 7116 // system image. This is important to get rid of a lot 7117 // of nasty edge cases: for example if we allowed a non- 7118 // system update of the app to add a library, then uninstalling 7119 // the update would make the library go away, and assumptions 7120 // we made such as through app install filtering would now 7121 // have allowed apps on the device which aren't compatible 7122 // with it. Better to just have the restriction here, be 7123 // conservative, and create many fewer cases that can negatively 7124 // impact the user experience. 7125 final PackageSetting sysPs = mSettings 7126 .getDisabledSystemPkgLPr(pkg.packageName); 7127 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7128 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7129 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7130 allowed = true; 7131 allowed = true; 7132 break; 7133 } 7134 } 7135 } 7136 } else { 7137 allowed = true; 7138 } 7139 if (allowed) { 7140 if (!mSharedLibraries.containsKey(name)) { 7141 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7142 } else if (!name.equals(pkg.packageName)) { 7143 Slog.w(TAG, "Package " + pkg.packageName + " library " 7144 + name + " already exists; skipping"); 7145 } 7146 } else { 7147 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7148 + name + " that is not declared on system image; skipping"); 7149 } 7150 } 7151 if ((scanFlags&SCAN_BOOTING) == 0) { 7152 // If we are not booting, we need to update any applications 7153 // that are clients of our shared library. If we are booting, 7154 // this will all be done once the scan is complete. 7155 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7156 } 7157 } 7158 } 7159 } 7160 7161 // We also need to dexopt any apps that are dependent on this library. Note that 7162 // if these fail, we should abort the install since installing the library will 7163 // result in some apps being broken. 7164 if (clientLibPkgs != null) { 7165 if ((scanFlags & SCAN_NO_DEX) == 0) { 7166 for (int i = 0; i < clientLibPkgs.size(); i++) { 7167 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7168 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7169 null /* instruction sets */, forceDex, 7170 (scanFlags & SCAN_DEFER_DEX) != 0, false); 7171 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7172 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7173 "scanPackageLI failed to dexopt clientLibPkgs"); 7174 } 7175 } 7176 } 7177 } 7178 7179 // Request the ActivityManager to kill the process(only for existing packages) 7180 // so that we do not end up in a confused state while the user is still using the older 7181 // version of the application while the new one gets installed. 7182 if ((scanFlags & SCAN_REPLACING) != 0) { 7183 killApplication(pkg.applicationInfo.packageName, 7184 pkg.applicationInfo.uid, "replace pkg"); 7185 } 7186 7187 // Also need to kill any apps that are dependent on the library. 7188 if (clientLibPkgs != null) { 7189 for (int i=0; i<clientLibPkgs.size(); i++) { 7190 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7191 killApplication(clientPkg.applicationInfo.packageName, 7192 clientPkg.applicationInfo.uid, "update lib"); 7193 } 7194 } 7195 7196 // Make sure we're not adding any bogus keyset info 7197 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7198 ksms.assertScannedPackageValid(pkg); 7199 7200 // writer 7201 synchronized (mPackages) { 7202 // We don't expect installation to fail beyond this point 7203 7204 // Add the new setting to mSettings 7205 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7206 // Add the new setting to mPackages 7207 mPackages.put(pkg.applicationInfo.packageName, pkg); 7208 // Make sure we don't accidentally delete its data. 7209 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7210 while (iter.hasNext()) { 7211 PackageCleanItem item = iter.next(); 7212 if (pkgName.equals(item.packageName)) { 7213 iter.remove(); 7214 } 7215 } 7216 7217 // Take care of first install / last update times. 7218 if (currentTime != 0) { 7219 if (pkgSetting.firstInstallTime == 0) { 7220 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7221 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7222 pkgSetting.lastUpdateTime = currentTime; 7223 } 7224 } else if (pkgSetting.firstInstallTime == 0) { 7225 // We need *something*. Take time time stamp of the file. 7226 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7227 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7228 if (scanFileTime != pkgSetting.timeStamp) { 7229 // A package on the system image has changed; consider this 7230 // to be an update. 7231 pkgSetting.lastUpdateTime = scanFileTime; 7232 } 7233 } 7234 7235 // Add the package's KeySets to the global KeySetManagerService 7236 ksms.addScannedPackageLPw(pkg); 7237 7238 int N = pkg.providers.size(); 7239 StringBuilder r = null; 7240 int i; 7241 for (i=0; i<N; i++) { 7242 PackageParser.Provider p = pkg.providers.get(i); 7243 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7244 p.info.processName, pkg.applicationInfo.uid); 7245 mProviders.addProvider(p); 7246 p.syncable = p.info.isSyncable; 7247 if (p.info.authority != null) { 7248 String names[] = p.info.authority.split(";"); 7249 p.info.authority = null; 7250 for (int j = 0; j < names.length; j++) { 7251 if (j == 1 && p.syncable) { 7252 // We only want the first authority for a provider to possibly be 7253 // syncable, so if we already added this provider using a different 7254 // authority clear the syncable flag. We copy the provider before 7255 // changing it because the mProviders object contains a reference 7256 // to a provider that we don't want to change. 7257 // Only do this for the second authority since the resulting provider 7258 // object can be the same for all future authorities for this provider. 7259 p = new PackageParser.Provider(p); 7260 p.syncable = false; 7261 } 7262 if (!mProvidersByAuthority.containsKey(names[j])) { 7263 mProvidersByAuthority.put(names[j], p); 7264 if (p.info.authority == null) { 7265 p.info.authority = names[j]; 7266 } else { 7267 p.info.authority = p.info.authority + ";" + names[j]; 7268 } 7269 if (DEBUG_PACKAGE_SCANNING) { 7270 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7271 Log.d(TAG, "Registered content provider: " + names[j] 7272 + ", className = " + p.info.name + ", isSyncable = " 7273 + p.info.isSyncable); 7274 } 7275 } else { 7276 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7277 Slog.w(TAG, "Skipping provider name " + names[j] + 7278 " (in package " + pkg.applicationInfo.packageName + 7279 "): name already used by " 7280 + ((other != null && other.getComponentName() != null) 7281 ? other.getComponentName().getPackageName() : "?")); 7282 } 7283 } 7284 } 7285 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7286 if (r == null) { 7287 r = new StringBuilder(256); 7288 } else { 7289 r.append(' '); 7290 } 7291 r.append(p.info.name); 7292 } 7293 } 7294 if (r != null) { 7295 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7296 } 7297 7298 N = pkg.services.size(); 7299 r = null; 7300 for (i=0; i<N; i++) { 7301 PackageParser.Service s = pkg.services.get(i); 7302 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7303 s.info.processName, pkg.applicationInfo.uid); 7304 mServices.addService(s); 7305 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7306 if (r == null) { 7307 r = new StringBuilder(256); 7308 } else { 7309 r.append(' '); 7310 } 7311 r.append(s.info.name); 7312 } 7313 } 7314 if (r != null) { 7315 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7316 } 7317 7318 N = pkg.receivers.size(); 7319 r = null; 7320 for (i=0; i<N; i++) { 7321 PackageParser.Activity a = pkg.receivers.get(i); 7322 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7323 a.info.processName, pkg.applicationInfo.uid); 7324 mReceivers.addActivity(a, "receiver"); 7325 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7326 if (r == null) { 7327 r = new StringBuilder(256); 7328 } else { 7329 r.append(' '); 7330 } 7331 r.append(a.info.name); 7332 } 7333 } 7334 if (r != null) { 7335 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7336 } 7337 7338 N = pkg.activities.size(); 7339 r = null; 7340 for (i=0; i<N; i++) { 7341 PackageParser.Activity a = pkg.activities.get(i); 7342 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7343 a.info.processName, pkg.applicationInfo.uid); 7344 mActivities.addActivity(a, "activity"); 7345 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7346 if (r == null) { 7347 r = new StringBuilder(256); 7348 } else { 7349 r.append(' '); 7350 } 7351 r.append(a.info.name); 7352 } 7353 } 7354 if (r != null) { 7355 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7356 } 7357 7358 N = pkg.permissionGroups.size(); 7359 r = null; 7360 for (i=0; i<N; i++) { 7361 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7362 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7363 if (cur == null) { 7364 mPermissionGroups.put(pg.info.name, pg); 7365 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7366 if (r == null) { 7367 r = new StringBuilder(256); 7368 } else { 7369 r.append(' '); 7370 } 7371 r.append(pg.info.name); 7372 } 7373 } else { 7374 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7375 + pg.info.packageName + " ignored: original from " 7376 + cur.info.packageName); 7377 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7378 if (r == null) { 7379 r = new StringBuilder(256); 7380 } else { 7381 r.append(' '); 7382 } 7383 r.append("DUP:"); 7384 r.append(pg.info.name); 7385 } 7386 } 7387 } 7388 if (r != null) { 7389 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7390 } 7391 7392 N = pkg.permissions.size(); 7393 r = null; 7394 for (i=0; i<N; i++) { 7395 PackageParser.Permission p = pkg.permissions.get(i); 7396 7397 // Assume by default that we did not install this permission into the system. 7398 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7399 7400 // Now that permission groups have a special meaning, we ignore permission 7401 // groups for legacy apps to prevent unexpected behavior. In particular, 7402 // permissions for one app being granted to someone just becuase they happen 7403 // to be in a group defined by another app (before this had no implications). 7404 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7405 p.group = mPermissionGroups.get(p.info.group); 7406 // Warn for a permission in an unknown group. 7407 if (p.info.group != null && p.group == null) { 7408 Slog.w(TAG, "Permission " + p.info.name + " from package " 7409 + p.info.packageName + " in an unknown group " + p.info.group); 7410 } 7411 } 7412 7413 ArrayMap<String, BasePermission> permissionMap = 7414 p.tree ? mSettings.mPermissionTrees 7415 : mSettings.mPermissions; 7416 BasePermission bp = permissionMap.get(p.info.name); 7417 7418 // Allow system apps to redefine non-system permissions 7419 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7420 final boolean currentOwnerIsSystem = (bp.perm != null 7421 && isSystemApp(bp.perm.owner)); 7422 if (isSystemApp(p.owner)) { 7423 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7424 // It's a built-in permission and no owner, take ownership now 7425 bp.packageSetting = pkgSetting; 7426 bp.perm = p; 7427 bp.uid = pkg.applicationInfo.uid; 7428 bp.sourcePackage = p.info.packageName; 7429 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7430 } else if (!currentOwnerIsSystem) { 7431 String msg = "New decl " + p.owner + " of permission " 7432 + p.info.name + " is system; overriding " + bp.sourcePackage; 7433 reportSettingsProblem(Log.WARN, msg); 7434 bp = null; 7435 } 7436 } 7437 } 7438 7439 if (bp == null) { 7440 bp = new BasePermission(p.info.name, p.info.packageName, 7441 BasePermission.TYPE_NORMAL); 7442 permissionMap.put(p.info.name, bp); 7443 } 7444 7445 if (bp.perm == null) { 7446 if (bp.sourcePackage == null 7447 || bp.sourcePackage.equals(p.info.packageName)) { 7448 BasePermission tree = findPermissionTreeLP(p.info.name); 7449 if (tree == null 7450 || tree.sourcePackage.equals(p.info.packageName)) { 7451 bp.packageSetting = pkgSetting; 7452 bp.perm = p; 7453 bp.uid = pkg.applicationInfo.uid; 7454 bp.sourcePackage = p.info.packageName; 7455 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7456 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7457 if (r == null) { 7458 r = new StringBuilder(256); 7459 } else { 7460 r.append(' '); 7461 } 7462 r.append(p.info.name); 7463 } 7464 } else { 7465 Slog.w(TAG, "Permission " + p.info.name + " from package " 7466 + p.info.packageName + " ignored: base tree " 7467 + tree.name + " is from package " 7468 + tree.sourcePackage); 7469 } 7470 } else { 7471 Slog.w(TAG, "Permission " + p.info.name + " from package " 7472 + p.info.packageName + " ignored: original from " 7473 + bp.sourcePackage); 7474 } 7475 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7476 if (r == null) { 7477 r = new StringBuilder(256); 7478 } else { 7479 r.append(' '); 7480 } 7481 r.append("DUP:"); 7482 r.append(p.info.name); 7483 } 7484 if (bp.perm == p) { 7485 bp.protectionLevel = p.info.protectionLevel; 7486 } 7487 } 7488 7489 if (r != null) { 7490 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7491 } 7492 7493 N = pkg.instrumentation.size(); 7494 r = null; 7495 for (i=0; i<N; i++) { 7496 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7497 a.info.packageName = pkg.applicationInfo.packageName; 7498 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7499 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7500 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7501 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7502 a.info.dataDir = pkg.applicationInfo.dataDir; 7503 7504 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7505 // need other information about the application, like the ABI and what not ? 7506 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7507 mInstrumentation.put(a.getComponentName(), a); 7508 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7509 if (r == null) { 7510 r = new StringBuilder(256); 7511 } else { 7512 r.append(' '); 7513 } 7514 r.append(a.info.name); 7515 } 7516 } 7517 if (r != null) { 7518 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7519 } 7520 7521 if (pkg.protectedBroadcasts != null) { 7522 N = pkg.protectedBroadcasts.size(); 7523 for (i=0; i<N; i++) { 7524 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7525 } 7526 } 7527 7528 pkgSetting.setTimeStamp(scanFileTime); 7529 7530 // Create idmap files for pairs of (packages, overlay packages). 7531 // Note: "android", ie framework-res.apk, is handled by native layers. 7532 if (pkg.mOverlayTarget != null) { 7533 // This is an overlay package. 7534 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7535 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7536 mOverlays.put(pkg.mOverlayTarget, 7537 new ArrayMap<String, PackageParser.Package>()); 7538 } 7539 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7540 map.put(pkg.packageName, pkg); 7541 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7542 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7543 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7544 "scanPackageLI failed to createIdmap"); 7545 } 7546 } 7547 } else if (mOverlays.containsKey(pkg.packageName) && 7548 !pkg.packageName.equals("android")) { 7549 // This is a regular package, with one or more known overlay packages. 7550 createIdmapsForPackageLI(pkg); 7551 } 7552 } 7553 7554 return pkg; 7555 } 7556 7557 /** 7558 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7559 * is derived purely on the basis of the contents of {@code scanFile} and 7560 * {@code cpuAbiOverride}. 7561 * 7562 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7563 */ 7564 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7565 String cpuAbiOverride, boolean extractLibs) 7566 throws PackageManagerException { 7567 // TODO: We can probably be smarter about this stuff. For installed apps, 7568 // we can calculate this information at install time once and for all. For 7569 // system apps, we can probably assume that this information doesn't change 7570 // after the first boot scan. As things stand, we do lots of unnecessary work. 7571 7572 // Give ourselves some initial paths; we'll come back for another 7573 // pass once we've determined ABI below. 7574 setNativeLibraryPaths(pkg); 7575 7576 // We would never need to extract libs for forward-locked and external packages, 7577 // since the container service will do it for us. We shouldn't attempt to 7578 // extract libs from system app when it was not updated. 7579 if (pkg.isForwardLocked() || isExternal(pkg) || 7580 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7581 extractLibs = false; 7582 } 7583 7584 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7585 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7586 7587 NativeLibraryHelper.Handle handle = null; 7588 try { 7589 handle = NativeLibraryHelper.Handle.create(scanFile); 7590 // TODO(multiArch): This can be null for apps that didn't go through the 7591 // usual installation process. We can calculate it again, like we 7592 // do during install time. 7593 // 7594 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7595 // unnecessary. 7596 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7597 7598 // Null out the abis so that they can be recalculated. 7599 pkg.applicationInfo.primaryCpuAbi = null; 7600 pkg.applicationInfo.secondaryCpuAbi = null; 7601 if (isMultiArch(pkg.applicationInfo)) { 7602 // Warn if we've set an abiOverride for multi-lib packages.. 7603 // By definition, we need to copy both 32 and 64 bit libraries for 7604 // such packages. 7605 if (pkg.cpuAbiOverride != null 7606 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7607 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7608 } 7609 7610 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7611 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7612 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7613 if (extractLibs) { 7614 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7615 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7616 useIsaSpecificSubdirs); 7617 } else { 7618 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7619 } 7620 } 7621 7622 maybeThrowExceptionForMultiArchCopy( 7623 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7624 7625 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7626 if (extractLibs) { 7627 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7628 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7629 useIsaSpecificSubdirs); 7630 } else { 7631 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7632 } 7633 } 7634 7635 maybeThrowExceptionForMultiArchCopy( 7636 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7637 7638 if (abi64 >= 0) { 7639 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7640 } 7641 7642 if (abi32 >= 0) { 7643 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7644 if (abi64 >= 0) { 7645 pkg.applicationInfo.secondaryCpuAbi = abi; 7646 } else { 7647 pkg.applicationInfo.primaryCpuAbi = abi; 7648 } 7649 } 7650 } else { 7651 String[] abiList = (cpuAbiOverride != null) ? 7652 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7653 7654 // Enable gross and lame hacks for apps that are built with old 7655 // SDK tools. We must scan their APKs for renderscript bitcode and 7656 // not launch them if it's present. Don't bother checking on devices 7657 // that don't have 64 bit support. 7658 boolean needsRenderScriptOverride = false; 7659 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7660 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7661 abiList = Build.SUPPORTED_32_BIT_ABIS; 7662 needsRenderScriptOverride = true; 7663 } 7664 7665 final int copyRet; 7666 if (extractLibs) { 7667 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7668 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7669 } else { 7670 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7671 } 7672 7673 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7674 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7675 "Error unpackaging native libs for app, errorCode=" + copyRet); 7676 } 7677 7678 if (copyRet >= 0) { 7679 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7680 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7681 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7682 } else if (needsRenderScriptOverride) { 7683 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7684 } 7685 } 7686 } catch (IOException ioe) { 7687 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7688 } finally { 7689 IoUtils.closeQuietly(handle); 7690 } 7691 7692 // Now that we've calculated the ABIs and determined if it's an internal app, 7693 // we will go ahead and populate the nativeLibraryPath. 7694 setNativeLibraryPaths(pkg); 7695 } 7696 7697 /** 7698 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7699 * i.e, so that all packages can be run inside a single process if required. 7700 * 7701 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7702 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7703 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7704 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7705 * updating a package that belongs to a shared user. 7706 * 7707 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7708 * adds unnecessary complexity. 7709 */ 7710 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7711 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 7712 String requiredInstructionSet = null; 7713 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7714 requiredInstructionSet = VMRuntime.getInstructionSet( 7715 scannedPackage.applicationInfo.primaryCpuAbi); 7716 } 7717 7718 PackageSetting requirer = null; 7719 for (PackageSetting ps : packagesForUser) { 7720 // If packagesForUser contains scannedPackage, we skip it. This will happen 7721 // when scannedPackage is an update of an existing package. Without this check, 7722 // we will never be able to change the ABI of any package belonging to a shared 7723 // user, even if it's compatible with other packages. 7724 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7725 if (ps.primaryCpuAbiString == null) { 7726 continue; 7727 } 7728 7729 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7730 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7731 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7732 // this but there's not much we can do. 7733 String errorMessage = "Instruction set mismatch, " 7734 + ((requirer == null) ? "[caller]" : requirer) 7735 + " requires " + requiredInstructionSet + " whereas " + ps 7736 + " requires " + instructionSet; 7737 Slog.w(TAG, errorMessage); 7738 } 7739 7740 if (requiredInstructionSet == null) { 7741 requiredInstructionSet = instructionSet; 7742 requirer = ps; 7743 } 7744 } 7745 } 7746 7747 if (requiredInstructionSet != null) { 7748 String adjustedAbi; 7749 if (requirer != null) { 7750 // requirer != null implies that either scannedPackage was null or that scannedPackage 7751 // did not require an ABI, in which case we have to adjust scannedPackage to match 7752 // the ABI of the set (which is the same as requirer's ABI) 7753 adjustedAbi = requirer.primaryCpuAbiString; 7754 if (scannedPackage != null) { 7755 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7756 } 7757 } else { 7758 // requirer == null implies that we're updating all ABIs in the set to 7759 // match scannedPackage. 7760 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7761 } 7762 7763 for (PackageSetting ps : packagesForUser) { 7764 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7765 if (ps.primaryCpuAbiString != null) { 7766 continue; 7767 } 7768 7769 ps.primaryCpuAbiString = adjustedAbi; 7770 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7771 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7772 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7773 7774 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7775 null /* instruction sets */, forceDexOpt, deferDexOpt, true); 7776 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7777 ps.primaryCpuAbiString = null; 7778 ps.pkg.applicationInfo.primaryCpuAbi = null; 7779 return; 7780 } else { 7781 mInstaller.rmdex(ps.codePathString, 7782 getDexCodeInstructionSet(getPreferredInstructionSet())); 7783 } 7784 } 7785 } 7786 } 7787 } 7788 } 7789 7790 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7791 synchronized (mPackages) { 7792 mResolverReplaced = true; 7793 // Set up information for custom user intent resolution activity. 7794 mResolveActivity.applicationInfo = pkg.applicationInfo; 7795 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7796 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7797 mResolveActivity.processName = pkg.applicationInfo.packageName; 7798 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7799 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7800 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7801 mResolveActivity.theme = 0; 7802 mResolveActivity.exported = true; 7803 mResolveActivity.enabled = true; 7804 mResolveInfo.activityInfo = mResolveActivity; 7805 mResolveInfo.priority = 0; 7806 mResolveInfo.preferredOrder = 0; 7807 mResolveInfo.match = 0; 7808 mResolveComponentName = mCustomResolverComponentName; 7809 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7810 mResolveComponentName); 7811 } 7812 } 7813 7814 private static String calculateBundledApkRoot(final String codePathString) { 7815 final File codePath = new File(codePathString); 7816 final File codeRoot; 7817 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7818 codeRoot = Environment.getRootDirectory(); 7819 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7820 codeRoot = Environment.getOemDirectory(); 7821 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7822 codeRoot = Environment.getVendorDirectory(); 7823 } else { 7824 // Unrecognized code path; take its top real segment as the apk root: 7825 // e.g. /something/app/blah.apk => /something 7826 try { 7827 File f = codePath.getCanonicalFile(); 7828 File parent = f.getParentFile(); // non-null because codePath is a file 7829 File tmp; 7830 while ((tmp = parent.getParentFile()) != null) { 7831 f = parent; 7832 parent = tmp; 7833 } 7834 codeRoot = f; 7835 Slog.w(TAG, "Unrecognized code path " 7836 + codePath + " - using " + codeRoot); 7837 } catch (IOException e) { 7838 // Can't canonicalize the code path -- shenanigans? 7839 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7840 return Environment.getRootDirectory().getPath(); 7841 } 7842 } 7843 return codeRoot.getPath(); 7844 } 7845 7846 /** 7847 * Derive and set the location of native libraries for the given package, 7848 * which varies depending on where and how the package was installed. 7849 */ 7850 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7851 final ApplicationInfo info = pkg.applicationInfo; 7852 final String codePath = pkg.codePath; 7853 final File codeFile = new File(codePath); 7854 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7855 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7856 7857 info.nativeLibraryRootDir = null; 7858 info.nativeLibraryRootRequiresIsa = false; 7859 info.nativeLibraryDir = null; 7860 info.secondaryNativeLibraryDir = null; 7861 7862 if (isApkFile(codeFile)) { 7863 // Monolithic install 7864 if (bundledApp) { 7865 // If "/system/lib64/apkname" exists, assume that is the per-package 7866 // native library directory to use; otherwise use "/system/lib/apkname". 7867 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7868 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7869 getPrimaryInstructionSet(info)); 7870 7871 // This is a bundled system app so choose the path based on the ABI. 7872 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7873 // is just the default path. 7874 final String apkName = deriveCodePathName(codePath); 7875 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7876 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7877 apkName).getAbsolutePath(); 7878 7879 if (info.secondaryCpuAbi != null) { 7880 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7881 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7882 secondaryLibDir, apkName).getAbsolutePath(); 7883 } 7884 } else if (asecApp) { 7885 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7886 .getAbsolutePath(); 7887 } else { 7888 final String apkName = deriveCodePathName(codePath); 7889 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7890 .getAbsolutePath(); 7891 } 7892 7893 info.nativeLibraryRootRequiresIsa = false; 7894 info.nativeLibraryDir = info.nativeLibraryRootDir; 7895 } else { 7896 // Cluster install 7897 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7898 info.nativeLibraryRootRequiresIsa = true; 7899 7900 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7901 getPrimaryInstructionSet(info)).getAbsolutePath(); 7902 7903 if (info.secondaryCpuAbi != null) { 7904 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7905 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7906 } 7907 } 7908 } 7909 7910 /** 7911 * Calculate the abis and roots for a bundled app. These can uniquely 7912 * be determined from the contents of the system partition, i.e whether 7913 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7914 * of this information, and instead assume that the system was built 7915 * sensibly. 7916 */ 7917 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7918 PackageSetting pkgSetting) { 7919 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7920 7921 // If "/system/lib64/apkname" exists, assume that is the per-package 7922 // native library directory to use; otherwise use "/system/lib/apkname". 7923 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7924 setBundledAppAbi(pkg, apkRoot, apkName); 7925 // pkgSetting might be null during rescan following uninstall of updates 7926 // to a bundled app, so accommodate that possibility. The settings in 7927 // that case will be established later from the parsed package. 7928 // 7929 // If the settings aren't null, sync them up with what we've just derived. 7930 // note that apkRoot isn't stored in the package settings. 7931 if (pkgSetting != null) { 7932 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7933 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7934 } 7935 } 7936 7937 /** 7938 * Deduces the ABI of a bundled app and sets the relevant fields on the 7939 * parsed pkg object. 7940 * 7941 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7942 * under which system libraries are installed. 7943 * @param apkName the name of the installed package. 7944 */ 7945 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7946 final File codeFile = new File(pkg.codePath); 7947 7948 final boolean has64BitLibs; 7949 final boolean has32BitLibs; 7950 if (isApkFile(codeFile)) { 7951 // Monolithic install 7952 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7953 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7954 } else { 7955 // Cluster install 7956 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7957 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7958 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7959 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7960 has64BitLibs = (new File(rootDir, isa)).exists(); 7961 } else { 7962 has64BitLibs = false; 7963 } 7964 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7965 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7966 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7967 has32BitLibs = (new File(rootDir, isa)).exists(); 7968 } else { 7969 has32BitLibs = false; 7970 } 7971 } 7972 7973 if (has64BitLibs && !has32BitLibs) { 7974 // The package has 64 bit libs, but not 32 bit libs. Its primary 7975 // ABI should be 64 bit. We can safely assume here that the bundled 7976 // native libraries correspond to the most preferred ABI in the list. 7977 7978 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7979 pkg.applicationInfo.secondaryCpuAbi = null; 7980 } else if (has32BitLibs && !has64BitLibs) { 7981 // The package has 32 bit libs but not 64 bit libs. Its primary 7982 // ABI should be 32 bit. 7983 7984 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7985 pkg.applicationInfo.secondaryCpuAbi = null; 7986 } else if (has32BitLibs && has64BitLibs) { 7987 // The application has both 64 and 32 bit bundled libraries. We check 7988 // here that the app declares multiArch support, and warn if it doesn't. 7989 // 7990 // We will be lenient here and record both ABIs. The primary will be the 7991 // ABI that's higher on the list, i.e, a device that's configured to prefer 7992 // 64 bit apps will see a 64 bit primary ABI, 7993 7994 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 7995 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 7996 } 7997 7998 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 7999 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8000 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8001 } else { 8002 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8003 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8004 } 8005 } else { 8006 pkg.applicationInfo.primaryCpuAbi = null; 8007 pkg.applicationInfo.secondaryCpuAbi = null; 8008 } 8009 } 8010 8011 private void killApplication(String pkgName, int appId, String reason) { 8012 // Request the ActivityManager to kill the process(only for existing packages) 8013 // so that we do not end up in a confused state while the user is still using the older 8014 // version of the application while the new one gets installed. 8015 IActivityManager am = ActivityManagerNative.getDefault(); 8016 if (am != null) { 8017 try { 8018 am.killApplicationWithAppId(pkgName, appId, reason); 8019 } catch (RemoteException e) { 8020 } 8021 } 8022 } 8023 8024 void removePackageLI(PackageSetting ps, boolean chatty) { 8025 if (DEBUG_INSTALL) { 8026 if (chatty) 8027 Log.d(TAG, "Removing package " + ps.name); 8028 } 8029 8030 // writer 8031 synchronized (mPackages) { 8032 mPackages.remove(ps.name); 8033 final PackageParser.Package pkg = ps.pkg; 8034 if (pkg != null) { 8035 cleanPackageDataStructuresLILPw(pkg, chatty); 8036 } 8037 } 8038 } 8039 8040 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8041 if (DEBUG_INSTALL) { 8042 if (chatty) 8043 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8044 } 8045 8046 // writer 8047 synchronized (mPackages) { 8048 mPackages.remove(pkg.applicationInfo.packageName); 8049 cleanPackageDataStructuresLILPw(pkg, chatty); 8050 } 8051 } 8052 8053 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8054 int N = pkg.providers.size(); 8055 StringBuilder r = null; 8056 int i; 8057 for (i=0; i<N; i++) { 8058 PackageParser.Provider p = pkg.providers.get(i); 8059 mProviders.removeProvider(p); 8060 if (p.info.authority == null) { 8061 8062 /* There was another ContentProvider with this authority when 8063 * this app was installed so this authority is null, 8064 * Ignore it as we don't have to unregister the provider. 8065 */ 8066 continue; 8067 } 8068 String names[] = p.info.authority.split(";"); 8069 for (int j = 0; j < names.length; j++) { 8070 if (mProvidersByAuthority.get(names[j]) == p) { 8071 mProvidersByAuthority.remove(names[j]); 8072 if (DEBUG_REMOVE) { 8073 if (chatty) 8074 Log.d(TAG, "Unregistered content provider: " + names[j] 8075 + ", className = " + p.info.name + ", isSyncable = " 8076 + p.info.isSyncable); 8077 } 8078 } 8079 } 8080 if (DEBUG_REMOVE && chatty) { 8081 if (r == null) { 8082 r = new StringBuilder(256); 8083 } else { 8084 r.append(' '); 8085 } 8086 r.append(p.info.name); 8087 } 8088 } 8089 if (r != null) { 8090 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8091 } 8092 8093 N = pkg.services.size(); 8094 r = null; 8095 for (i=0; i<N; i++) { 8096 PackageParser.Service s = pkg.services.get(i); 8097 mServices.removeService(s); 8098 if (chatty) { 8099 if (r == null) { 8100 r = new StringBuilder(256); 8101 } else { 8102 r.append(' '); 8103 } 8104 r.append(s.info.name); 8105 } 8106 } 8107 if (r != null) { 8108 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8109 } 8110 8111 N = pkg.receivers.size(); 8112 r = null; 8113 for (i=0; i<N; i++) { 8114 PackageParser.Activity a = pkg.receivers.get(i); 8115 mReceivers.removeActivity(a, "receiver"); 8116 if (DEBUG_REMOVE && chatty) { 8117 if (r == null) { 8118 r = new StringBuilder(256); 8119 } else { 8120 r.append(' '); 8121 } 8122 r.append(a.info.name); 8123 } 8124 } 8125 if (r != null) { 8126 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8127 } 8128 8129 N = pkg.activities.size(); 8130 r = null; 8131 for (i=0; i<N; i++) { 8132 PackageParser.Activity a = pkg.activities.get(i); 8133 mActivities.removeActivity(a, "activity"); 8134 if (DEBUG_REMOVE && chatty) { 8135 if (r == null) { 8136 r = new StringBuilder(256); 8137 } else { 8138 r.append(' '); 8139 } 8140 r.append(a.info.name); 8141 } 8142 } 8143 if (r != null) { 8144 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8145 } 8146 8147 N = pkg.permissions.size(); 8148 r = null; 8149 for (i=0; i<N; i++) { 8150 PackageParser.Permission p = pkg.permissions.get(i); 8151 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8152 if (bp == null) { 8153 bp = mSettings.mPermissionTrees.get(p.info.name); 8154 } 8155 if (bp != null && bp.perm == p) { 8156 bp.perm = null; 8157 if (DEBUG_REMOVE && chatty) { 8158 if (r == null) { 8159 r = new StringBuilder(256); 8160 } else { 8161 r.append(' '); 8162 } 8163 r.append(p.info.name); 8164 } 8165 } 8166 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8167 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8168 if (appOpPerms != null) { 8169 appOpPerms.remove(pkg.packageName); 8170 } 8171 } 8172 } 8173 if (r != null) { 8174 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8175 } 8176 8177 N = pkg.requestedPermissions.size(); 8178 r = null; 8179 for (i=0; i<N; i++) { 8180 String perm = pkg.requestedPermissions.get(i); 8181 BasePermission bp = mSettings.mPermissions.get(perm); 8182 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8183 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8184 if (appOpPerms != null) { 8185 appOpPerms.remove(pkg.packageName); 8186 if (appOpPerms.isEmpty()) { 8187 mAppOpPermissionPackages.remove(perm); 8188 } 8189 } 8190 } 8191 } 8192 if (r != null) { 8193 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8194 } 8195 8196 N = pkg.instrumentation.size(); 8197 r = null; 8198 for (i=0; i<N; i++) { 8199 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8200 mInstrumentation.remove(a.getComponentName()); 8201 if (DEBUG_REMOVE && chatty) { 8202 if (r == null) { 8203 r = new StringBuilder(256); 8204 } else { 8205 r.append(' '); 8206 } 8207 r.append(a.info.name); 8208 } 8209 } 8210 if (r != null) { 8211 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8212 } 8213 8214 r = null; 8215 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8216 // Only system apps can hold shared libraries. 8217 if (pkg.libraryNames != null) { 8218 for (i=0; i<pkg.libraryNames.size(); i++) { 8219 String name = pkg.libraryNames.get(i); 8220 SharedLibraryEntry cur = mSharedLibraries.get(name); 8221 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8222 mSharedLibraries.remove(name); 8223 if (DEBUG_REMOVE && chatty) { 8224 if (r == null) { 8225 r = new StringBuilder(256); 8226 } else { 8227 r.append(' '); 8228 } 8229 r.append(name); 8230 } 8231 } 8232 } 8233 } 8234 } 8235 if (r != null) { 8236 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8237 } 8238 } 8239 8240 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8241 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8242 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8243 return true; 8244 } 8245 } 8246 return false; 8247 } 8248 8249 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8250 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8251 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8252 8253 private void updatePermissionsLPw(String changingPkg, 8254 PackageParser.Package pkgInfo, int flags) { 8255 // Make sure there are no dangling permission trees. 8256 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8257 while (it.hasNext()) { 8258 final BasePermission bp = it.next(); 8259 if (bp.packageSetting == null) { 8260 // We may not yet have parsed the package, so just see if 8261 // we still know about its settings. 8262 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8263 } 8264 if (bp.packageSetting == null) { 8265 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8266 + " from package " + bp.sourcePackage); 8267 it.remove(); 8268 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8269 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8270 Slog.i(TAG, "Removing old permission tree: " + bp.name 8271 + " from package " + bp.sourcePackage); 8272 flags |= UPDATE_PERMISSIONS_ALL; 8273 it.remove(); 8274 } 8275 } 8276 } 8277 8278 // Make sure all dynamic permissions have been assigned to a package, 8279 // and make sure there are no dangling permissions. 8280 it = mSettings.mPermissions.values().iterator(); 8281 while (it.hasNext()) { 8282 final BasePermission bp = it.next(); 8283 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8284 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8285 + bp.name + " pkg=" + bp.sourcePackage 8286 + " info=" + bp.pendingInfo); 8287 if (bp.packageSetting == null && bp.pendingInfo != null) { 8288 final BasePermission tree = findPermissionTreeLP(bp.name); 8289 if (tree != null && tree.perm != null) { 8290 bp.packageSetting = tree.packageSetting; 8291 bp.perm = new PackageParser.Permission(tree.perm.owner, 8292 new PermissionInfo(bp.pendingInfo)); 8293 bp.perm.info.packageName = tree.perm.info.packageName; 8294 bp.perm.info.name = bp.name; 8295 bp.uid = tree.uid; 8296 } 8297 } 8298 } 8299 if (bp.packageSetting == null) { 8300 // We may not yet have parsed the package, so just see if 8301 // we still know about its settings. 8302 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8303 } 8304 if (bp.packageSetting == null) { 8305 Slog.w(TAG, "Removing dangling permission: " + bp.name 8306 + " from package " + bp.sourcePackage); 8307 it.remove(); 8308 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8309 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8310 Slog.i(TAG, "Removing old permission: " + bp.name 8311 + " from package " + bp.sourcePackage); 8312 flags |= UPDATE_PERMISSIONS_ALL; 8313 it.remove(); 8314 } 8315 } 8316 } 8317 8318 // Now update the permissions for all packages, in particular 8319 // replace the granted permissions of the system packages. 8320 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8321 for (PackageParser.Package pkg : mPackages.values()) { 8322 if (pkg != pkgInfo) { 8323 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8324 changingPkg); 8325 } 8326 } 8327 } 8328 8329 if (pkgInfo != null) { 8330 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8331 } 8332 } 8333 8334 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8335 String packageOfInterest) { 8336 // IMPORTANT: There are two types of permissions: install and runtime. 8337 // Install time permissions are granted when the app is installed to 8338 // all device users and users added in the future. Runtime permissions 8339 // are granted at runtime explicitly to specific users. Normal and signature 8340 // protected permissions are install time permissions. Dangerous permissions 8341 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8342 // otherwise they are runtime permissions. This function does not manage 8343 // runtime permissions except for the case an app targeting Lollipop MR1 8344 // being upgraded to target a newer SDK, in which case dangerous permissions 8345 // are transformed from install time to runtime ones. 8346 8347 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8348 if (ps == null) { 8349 return; 8350 } 8351 8352 PermissionsState permissionsState = ps.getPermissionsState(); 8353 PermissionsState origPermissions = permissionsState; 8354 8355 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8356 8357 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8358 8359 boolean changedInstallPermission = false; 8360 8361 if (replace) { 8362 ps.installPermissionsFixed = false; 8363 if (!ps.isSharedUser()) { 8364 origPermissions = new PermissionsState(permissionsState); 8365 permissionsState.reset(); 8366 } 8367 } 8368 8369 permissionsState.setGlobalGids(mGlobalGids); 8370 8371 final int N = pkg.requestedPermissions.size(); 8372 for (int i=0; i<N; i++) { 8373 final String name = pkg.requestedPermissions.get(i); 8374 final BasePermission bp = mSettings.mPermissions.get(name); 8375 8376 if (DEBUG_INSTALL) { 8377 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8378 } 8379 8380 if (bp == null || bp.packageSetting == null) { 8381 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8382 Slog.w(TAG, "Unknown permission " + name 8383 + " in package " + pkg.packageName); 8384 } 8385 continue; 8386 } 8387 8388 final String perm = bp.name; 8389 boolean allowedSig = false; 8390 int grant = GRANT_DENIED; 8391 8392 // Keep track of app op permissions. 8393 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8394 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8395 if (pkgs == null) { 8396 pkgs = new ArraySet<>(); 8397 mAppOpPermissionPackages.put(bp.name, pkgs); 8398 } 8399 pkgs.add(pkg.packageName); 8400 } 8401 8402 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8403 switch (level) { 8404 case PermissionInfo.PROTECTION_NORMAL: { 8405 // For all apps normal permissions are install time ones. 8406 grant = GRANT_INSTALL; 8407 } break; 8408 8409 case PermissionInfo.PROTECTION_DANGEROUS: { 8410 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8411 // For legacy apps dangerous permissions are install time ones. 8412 grant = GRANT_INSTALL_LEGACY; 8413 } else if (origPermissions.hasInstallPermission(bp.name)) { 8414 // For legacy apps that became modern, install becomes runtime. 8415 grant = GRANT_UPGRADE; 8416 } else if (mPromoteSystemApps 8417 && isSystemApp(ps) 8418 && mExistingSystemPackages.contains(ps.name)) { 8419 // For legacy system apps, install becomes runtime. 8420 // We cannot check hasInstallPermission() for system apps since those 8421 // permissions were granted implicitly and not persisted pre-M. 8422 grant = GRANT_UPGRADE; 8423 } else { 8424 // For modern apps keep runtime permissions unchanged. 8425 grant = GRANT_RUNTIME; 8426 } 8427 } break; 8428 8429 case PermissionInfo.PROTECTION_SIGNATURE: { 8430 // For all apps signature permissions are install time ones. 8431 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8432 if (allowedSig) { 8433 grant = GRANT_INSTALL; 8434 } 8435 } break; 8436 } 8437 8438 if (DEBUG_INSTALL) { 8439 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8440 } 8441 8442 if (grant != GRANT_DENIED) { 8443 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8444 // If this is an existing, non-system package, then 8445 // we can't add any new permissions to it. 8446 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8447 // Except... if this is a permission that was added 8448 // to the platform (note: need to only do this when 8449 // updating the platform). 8450 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8451 grant = GRANT_DENIED; 8452 } 8453 } 8454 } 8455 8456 switch (grant) { 8457 case GRANT_INSTALL: { 8458 // Revoke this as runtime permission to handle the case of 8459 // a runtime permission being downgraded to an install one. 8460 for (int userId : UserManagerService.getInstance().getUserIds()) { 8461 if (origPermissions.getRuntimePermissionState( 8462 bp.name, userId) != null) { 8463 // Revoke the runtime permission and clear the flags. 8464 origPermissions.revokeRuntimePermission(bp, userId); 8465 origPermissions.updatePermissionFlags(bp, userId, 8466 PackageManager.MASK_PERMISSION_FLAGS, 0); 8467 // If we revoked a permission permission, we have to write. 8468 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8469 changedRuntimePermissionUserIds, userId); 8470 } 8471 } 8472 // Grant an install permission. 8473 if (permissionsState.grantInstallPermission(bp) != 8474 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8475 changedInstallPermission = true; 8476 } 8477 } break; 8478 8479 case GRANT_INSTALL_LEGACY: { 8480 // Grant an install permission. 8481 if (permissionsState.grantInstallPermission(bp) != 8482 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8483 changedInstallPermission = true; 8484 } 8485 } break; 8486 8487 case GRANT_RUNTIME: { 8488 // Grant previously granted runtime permissions. 8489 for (int userId : UserManagerService.getInstance().getUserIds()) { 8490 PermissionState permissionState = origPermissions 8491 .getRuntimePermissionState(bp.name, userId); 8492 final int flags = permissionState != null 8493 ? permissionState.getFlags() : 0; 8494 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8495 if (permissionsState.grantRuntimePermission(bp, userId) == 8496 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8497 // If we cannot put the permission as it was, we have to write. 8498 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8499 changedRuntimePermissionUserIds, userId); 8500 } 8501 } 8502 // Propagate the permission flags. 8503 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8504 } 8505 } break; 8506 8507 case GRANT_UPGRADE: { 8508 // Grant runtime permissions for a previously held install permission. 8509 PermissionState permissionState = origPermissions 8510 .getInstallPermissionState(bp.name); 8511 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8512 8513 if (origPermissions.revokeInstallPermission(bp) 8514 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8515 // We will be transferring the permission flags, so clear them. 8516 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8517 PackageManager.MASK_PERMISSION_FLAGS, 0); 8518 changedInstallPermission = true; 8519 } 8520 8521 // If the permission is not to be promoted to runtime we ignore it and 8522 // also its other flags as they are not applicable to install permissions. 8523 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8524 for (int userId : currentUserIds) { 8525 if (permissionsState.grantRuntimePermission(bp, userId) != 8526 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8527 // Transfer the permission flags. 8528 permissionsState.updatePermissionFlags(bp, userId, 8529 flags, flags); 8530 // If we granted the permission, we have to write. 8531 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8532 changedRuntimePermissionUserIds, userId); 8533 } 8534 } 8535 } 8536 } break; 8537 8538 default: { 8539 if (packageOfInterest == null 8540 || packageOfInterest.equals(pkg.packageName)) { 8541 Slog.w(TAG, "Not granting permission " + perm 8542 + " to package " + pkg.packageName 8543 + " because it was previously installed without"); 8544 } 8545 } break; 8546 } 8547 } else { 8548 if (permissionsState.revokeInstallPermission(bp) != 8549 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8550 // Also drop the permission flags. 8551 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8552 PackageManager.MASK_PERMISSION_FLAGS, 0); 8553 changedInstallPermission = true; 8554 Slog.i(TAG, "Un-granting permission " + perm 8555 + " from package " + pkg.packageName 8556 + " (protectionLevel=" + bp.protectionLevel 8557 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8558 + ")"); 8559 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8560 // Don't print warning for app op permissions, since it is fine for them 8561 // not to be granted, there is a UI for the user to decide. 8562 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8563 Slog.w(TAG, "Not granting permission " + perm 8564 + " to package " + pkg.packageName 8565 + " (protectionLevel=" + bp.protectionLevel 8566 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8567 + ")"); 8568 } 8569 } 8570 } 8571 } 8572 8573 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8574 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8575 // This is the first that we have heard about this package, so the 8576 // permissions we have now selected are fixed until explicitly 8577 // changed. 8578 ps.installPermissionsFixed = true; 8579 } 8580 8581 // Persist the runtime permissions state for users with changes. 8582 for (int userId : changedRuntimePermissionUserIds) { 8583 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8584 } 8585 } 8586 8587 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8588 boolean allowed = false; 8589 final int NP = PackageParser.NEW_PERMISSIONS.length; 8590 for (int ip=0; ip<NP; ip++) { 8591 final PackageParser.NewPermissionInfo npi 8592 = PackageParser.NEW_PERMISSIONS[ip]; 8593 if (npi.name.equals(perm) 8594 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8595 allowed = true; 8596 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8597 + pkg.packageName); 8598 break; 8599 } 8600 } 8601 return allowed; 8602 } 8603 8604 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8605 BasePermission bp, PermissionsState origPermissions) { 8606 boolean allowed; 8607 allowed = (compareSignatures( 8608 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8609 == PackageManager.SIGNATURE_MATCH) 8610 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8611 == PackageManager.SIGNATURE_MATCH); 8612 if (!allowed && (bp.protectionLevel 8613 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8614 if (isSystemApp(pkg)) { 8615 // For updated system applications, a system permission 8616 // is granted only if it had been defined by the original application. 8617 if (pkg.isUpdatedSystemApp()) { 8618 final PackageSetting sysPs = mSettings 8619 .getDisabledSystemPkgLPr(pkg.packageName); 8620 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8621 // If the original was granted this permission, we take 8622 // that grant decision as read and propagate it to the 8623 // update. 8624 if (sysPs.isPrivileged()) { 8625 allowed = true; 8626 } 8627 } else { 8628 // The system apk may have been updated with an older 8629 // version of the one on the data partition, but which 8630 // granted a new system permission that it didn't have 8631 // before. In this case we do want to allow the app to 8632 // now get the new permission if the ancestral apk is 8633 // privileged to get it. 8634 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8635 for (int j=0; 8636 j<sysPs.pkg.requestedPermissions.size(); j++) { 8637 if (perm.equals( 8638 sysPs.pkg.requestedPermissions.get(j))) { 8639 allowed = true; 8640 break; 8641 } 8642 } 8643 } 8644 } 8645 } else { 8646 allowed = isPrivilegedApp(pkg); 8647 } 8648 } 8649 } 8650 if (!allowed) { 8651 if (!allowed && (bp.protectionLevel 8652 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8653 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8654 // If this was a previously normal/dangerous permission that got moved 8655 // to a system permission as part of the runtime permission redesign, then 8656 // we still want to blindly grant it to old apps. 8657 allowed = true; 8658 } 8659 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8660 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8661 // If this permission is to be granted to the system installer and 8662 // this app is an installer, then it gets the permission. 8663 allowed = true; 8664 } 8665 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8666 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8667 // If this permission is to be granted to the system verifier and 8668 // this app is a verifier, then it gets the permission. 8669 allowed = true; 8670 } 8671 if (!allowed && (bp.protectionLevel 8672 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8673 && isSystemApp(pkg)) { 8674 // Any pre-installed system app is allowed to get this permission. 8675 allowed = true; 8676 } 8677 if (!allowed && (bp.protectionLevel 8678 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8679 // For development permissions, a development permission 8680 // is granted only if it was already granted. 8681 allowed = origPermissions.hasInstallPermission(perm); 8682 } 8683 } 8684 return allowed; 8685 } 8686 8687 final class ActivityIntentResolver 8688 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8689 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8690 boolean defaultOnly, int userId) { 8691 if (!sUserManager.exists(userId)) return null; 8692 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8693 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8694 } 8695 8696 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8697 int userId) { 8698 if (!sUserManager.exists(userId)) return null; 8699 mFlags = flags; 8700 return super.queryIntent(intent, resolvedType, 8701 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8702 } 8703 8704 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8705 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8706 if (!sUserManager.exists(userId)) return null; 8707 if (packageActivities == null) { 8708 return null; 8709 } 8710 mFlags = flags; 8711 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8712 final int N = packageActivities.size(); 8713 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8714 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8715 8716 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8717 for (int i = 0; i < N; ++i) { 8718 intentFilters = packageActivities.get(i).intents; 8719 if (intentFilters != null && intentFilters.size() > 0) { 8720 PackageParser.ActivityIntentInfo[] array = 8721 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8722 intentFilters.toArray(array); 8723 listCut.add(array); 8724 } 8725 } 8726 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8727 } 8728 8729 public final void addActivity(PackageParser.Activity a, String type) { 8730 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8731 mActivities.put(a.getComponentName(), a); 8732 if (DEBUG_SHOW_INFO) 8733 Log.v( 8734 TAG, " " + type + " " + 8735 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8736 if (DEBUG_SHOW_INFO) 8737 Log.v(TAG, " Class=" + a.info.name); 8738 final int NI = a.intents.size(); 8739 for (int j=0; j<NI; j++) { 8740 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8741 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8742 intent.setPriority(0); 8743 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8744 + a.className + " with priority > 0, forcing to 0"); 8745 } 8746 if (DEBUG_SHOW_INFO) { 8747 Log.v(TAG, " IntentFilter:"); 8748 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8749 } 8750 if (!intent.debugCheck()) { 8751 Log.w(TAG, "==> For Activity " + a.info.name); 8752 } 8753 addFilter(intent); 8754 } 8755 } 8756 8757 public final void removeActivity(PackageParser.Activity a, String type) { 8758 mActivities.remove(a.getComponentName()); 8759 if (DEBUG_SHOW_INFO) { 8760 Log.v(TAG, " " + type + " " 8761 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8762 : a.info.name) + ":"); 8763 Log.v(TAG, " Class=" + a.info.name); 8764 } 8765 final int NI = a.intents.size(); 8766 for (int j=0; j<NI; j++) { 8767 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8768 if (DEBUG_SHOW_INFO) { 8769 Log.v(TAG, " IntentFilter:"); 8770 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8771 } 8772 removeFilter(intent); 8773 } 8774 } 8775 8776 @Override 8777 protected boolean allowFilterResult( 8778 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8779 ActivityInfo filterAi = filter.activity.info; 8780 for (int i=dest.size()-1; i>=0; i--) { 8781 ActivityInfo destAi = dest.get(i).activityInfo; 8782 if (destAi.name == filterAi.name 8783 && destAi.packageName == filterAi.packageName) { 8784 return false; 8785 } 8786 } 8787 return true; 8788 } 8789 8790 @Override 8791 protected ActivityIntentInfo[] newArray(int size) { 8792 return new ActivityIntentInfo[size]; 8793 } 8794 8795 @Override 8796 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8797 if (!sUserManager.exists(userId)) return true; 8798 PackageParser.Package p = filter.activity.owner; 8799 if (p != null) { 8800 PackageSetting ps = (PackageSetting)p.mExtras; 8801 if (ps != null) { 8802 // System apps are never considered stopped for purposes of 8803 // filtering, because there may be no way for the user to 8804 // actually re-launch them. 8805 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8806 && ps.getStopped(userId); 8807 } 8808 } 8809 return false; 8810 } 8811 8812 @Override 8813 protected boolean isPackageForFilter(String packageName, 8814 PackageParser.ActivityIntentInfo info) { 8815 return packageName.equals(info.activity.owner.packageName); 8816 } 8817 8818 @Override 8819 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8820 int match, int userId) { 8821 if (!sUserManager.exists(userId)) return null; 8822 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8823 return null; 8824 } 8825 final PackageParser.Activity activity = info.activity; 8826 if (mSafeMode && (activity.info.applicationInfo.flags 8827 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8828 return null; 8829 } 8830 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8831 if (ps == null) { 8832 return null; 8833 } 8834 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8835 ps.readUserState(userId), userId); 8836 if (ai == null) { 8837 return null; 8838 } 8839 final ResolveInfo res = new ResolveInfo(); 8840 res.activityInfo = ai; 8841 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8842 res.filter = info; 8843 } 8844 if (info != null) { 8845 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8846 } 8847 res.priority = info.getPriority(); 8848 res.preferredOrder = activity.owner.mPreferredOrder; 8849 //System.out.println("Result: " + res.activityInfo.className + 8850 // " = " + res.priority); 8851 res.match = match; 8852 res.isDefault = info.hasDefault; 8853 res.labelRes = info.labelRes; 8854 res.nonLocalizedLabel = info.nonLocalizedLabel; 8855 if (userNeedsBadging(userId)) { 8856 res.noResourceId = true; 8857 } else { 8858 res.icon = info.icon; 8859 } 8860 res.iconResourceId = info.icon; 8861 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8862 return res; 8863 } 8864 8865 @Override 8866 protected void sortResults(List<ResolveInfo> results) { 8867 Collections.sort(results, mResolvePrioritySorter); 8868 } 8869 8870 @Override 8871 protected void dumpFilter(PrintWriter out, String prefix, 8872 PackageParser.ActivityIntentInfo filter) { 8873 out.print(prefix); out.print( 8874 Integer.toHexString(System.identityHashCode(filter.activity))); 8875 out.print(' '); 8876 filter.activity.printComponentShortName(out); 8877 out.print(" filter "); 8878 out.println(Integer.toHexString(System.identityHashCode(filter))); 8879 } 8880 8881 @Override 8882 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8883 return filter.activity; 8884 } 8885 8886 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8887 PackageParser.Activity activity = (PackageParser.Activity)label; 8888 out.print(prefix); out.print( 8889 Integer.toHexString(System.identityHashCode(activity))); 8890 out.print(' '); 8891 activity.printComponentShortName(out); 8892 if (count > 1) { 8893 out.print(" ("); out.print(count); out.print(" filters)"); 8894 } 8895 out.println(); 8896 } 8897 8898// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8899// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8900// final List<ResolveInfo> retList = Lists.newArrayList(); 8901// while (i.hasNext()) { 8902// final ResolveInfo resolveInfo = i.next(); 8903// if (isEnabledLP(resolveInfo.activityInfo)) { 8904// retList.add(resolveInfo); 8905// } 8906// } 8907// return retList; 8908// } 8909 8910 // Keys are String (activity class name), values are Activity. 8911 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8912 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8913 private int mFlags; 8914 } 8915 8916 private final class ServiceIntentResolver 8917 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8918 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8919 boolean defaultOnly, int userId) { 8920 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8921 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8922 } 8923 8924 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8925 int userId) { 8926 if (!sUserManager.exists(userId)) return null; 8927 mFlags = flags; 8928 return super.queryIntent(intent, resolvedType, 8929 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8930 } 8931 8932 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8933 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8934 if (!sUserManager.exists(userId)) return null; 8935 if (packageServices == null) { 8936 return null; 8937 } 8938 mFlags = flags; 8939 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8940 final int N = packageServices.size(); 8941 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8942 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8943 8944 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8945 for (int i = 0; i < N; ++i) { 8946 intentFilters = packageServices.get(i).intents; 8947 if (intentFilters != null && intentFilters.size() > 0) { 8948 PackageParser.ServiceIntentInfo[] array = 8949 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8950 intentFilters.toArray(array); 8951 listCut.add(array); 8952 } 8953 } 8954 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8955 } 8956 8957 public final void addService(PackageParser.Service s) { 8958 mServices.put(s.getComponentName(), s); 8959 if (DEBUG_SHOW_INFO) { 8960 Log.v(TAG, " " 8961 + (s.info.nonLocalizedLabel != null 8962 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8963 Log.v(TAG, " Class=" + s.info.name); 8964 } 8965 final int NI = s.intents.size(); 8966 int j; 8967 for (j=0; j<NI; j++) { 8968 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8969 if (DEBUG_SHOW_INFO) { 8970 Log.v(TAG, " IntentFilter:"); 8971 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8972 } 8973 if (!intent.debugCheck()) { 8974 Log.w(TAG, "==> For Service " + s.info.name); 8975 } 8976 addFilter(intent); 8977 } 8978 } 8979 8980 public final void removeService(PackageParser.Service s) { 8981 mServices.remove(s.getComponentName()); 8982 if (DEBUG_SHOW_INFO) { 8983 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8984 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8985 Log.v(TAG, " Class=" + s.info.name); 8986 } 8987 final int NI = s.intents.size(); 8988 int j; 8989 for (j=0; j<NI; j++) { 8990 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8991 if (DEBUG_SHOW_INFO) { 8992 Log.v(TAG, " IntentFilter:"); 8993 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8994 } 8995 removeFilter(intent); 8996 } 8997 } 8998 8999 @Override 9000 protected boolean allowFilterResult( 9001 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9002 ServiceInfo filterSi = filter.service.info; 9003 for (int i=dest.size()-1; i>=0; i--) { 9004 ServiceInfo destAi = dest.get(i).serviceInfo; 9005 if (destAi.name == filterSi.name 9006 && destAi.packageName == filterSi.packageName) { 9007 return false; 9008 } 9009 } 9010 return true; 9011 } 9012 9013 @Override 9014 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9015 return new PackageParser.ServiceIntentInfo[size]; 9016 } 9017 9018 @Override 9019 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9020 if (!sUserManager.exists(userId)) return true; 9021 PackageParser.Package p = filter.service.owner; 9022 if (p != null) { 9023 PackageSetting ps = (PackageSetting)p.mExtras; 9024 if (ps != null) { 9025 // System apps are never considered stopped for purposes of 9026 // filtering, because there may be no way for the user to 9027 // actually re-launch them. 9028 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9029 && ps.getStopped(userId); 9030 } 9031 } 9032 return false; 9033 } 9034 9035 @Override 9036 protected boolean isPackageForFilter(String packageName, 9037 PackageParser.ServiceIntentInfo info) { 9038 return packageName.equals(info.service.owner.packageName); 9039 } 9040 9041 @Override 9042 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9043 int match, int userId) { 9044 if (!sUserManager.exists(userId)) return null; 9045 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9046 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9047 return null; 9048 } 9049 final PackageParser.Service service = info.service; 9050 if (mSafeMode && (service.info.applicationInfo.flags 9051 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9052 return null; 9053 } 9054 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9055 if (ps == null) { 9056 return null; 9057 } 9058 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9059 ps.readUserState(userId), userId); 9060 if (si == null) { 9061 return null; 9062 } 9063 final ResolveInfo res = new ResolveInfo(); 9064 res.serviceInfo = si; 9065 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9066 res.filter = filter; 9067 } 9068 res.priority = info.getPriority(); 9069 res.preferredOrder = service.owner.mPreferredOrder; 9070 res.match = match; 9071 res.isDefault = info.hasDefault; 9072 res.labelRes = info.labelRes; 9073 res.nonLocalizedLabel = info.nonLocalizedLabel; 9074 res.icon = info.icon; 9075 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9076 return res; 9077 } 9078 9079 @Override 9080 protected void sortResults(List<ResolveInfo> results) { 9081 Collections.sort(results, mResolvePrioritySorter); 9082 } 9083 9084 @Override 9085 protected void dumpFilter(PrintWriter out, String prefix, 9086 PackageParser.ServiceIntentInfo filter) { 9087 out.print(prefix); out.print( 9088 Integer.toHexString(System.identityHashCode(filter.service))); 9089 out.print(' '); 9090 filter.service.printComponentShortName(out); 9091 out.print(" filter "); 9092 out.println(Integer.toHexString(System.identityHashCode(filter))); 9093 } 9094 9095 @Override 9096 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9097 return filter.service; 9098 } 9099 9100 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9101 PackageParser.Service service = (PackageParser.Service)label; 9102 out.print(prefix); out.print( 9103 Integer.toHexString(System.identityHashCode(service))); 9104 out.print(' '); 9105 service.printComponentShortName(out); 9106 if (count > 1) { 9107 out.print(" ("); out.print(count); out.print(" filters)"); 9108 } 9109 out.println(); 9110 } 9111 9112// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9113// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9114// final List<ResolveInfo> retList = Lists.newArrayList(); 9115// while (i.hasNext()) { 9116// final ResolveInfo resolveInfo = (ResolveInfo) i; 9117// if (isEnabledLP(resolveInfo.serviceInfo)) { 9118// retList.add(resolveInfo); 9119// } 9120// } 9121// return retList; 9122// } 9123 9124 // Keys are String (activity class name), values are Activity. 9125 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9126 = new ArrayMap<ComponentName, PackageParser.Service>(); 9127 private int mFlags; 9128 }; 9129 9130 private final class ProviderIntentResolver 9131 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9132 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9133 boolean defaultOnly, int userId) { 9134 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9135 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9136 } 9137 9138 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9139 int userId) { 9140 if (!sUserManager.exists(userId)) 9141 return null; 9142 mFlags = flags; 9143 return super.queryIntent(intent, resolvedType, 9144 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9145 } 9146 9147 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9148 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9149 if (!sUserManager.exists(userId)) 9150 return null; 9151 if (packageProviders == null) { 9152 return null; 9153 } 9154 mFlags = flags; 9155 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9156 final int N = packageProviders.size(); 9157 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9158 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9159 9160 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9161 for (int i = 0; i < N; ++i) { 9162 intentFilters = packageProviders.get(i).intents; 9163 if (intentFilters != null && intentFilters.size() > 0) { 9164 PackageParser.ProviderIntentInfo[] array = 9165 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9166 intentFilters.toArray(array); 9167 listCut.add(array); 9168 } 9169 } 9170 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9171 } 9172 9173 public final void addProvider(PackageParser.Provider p) { 9174 if (mProviders.containsKey(p.getComponentName())) { 9175 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9176 return; 9177 } 9178 9179 mProviders.put(p.getComponentName(), p); 9180 if (DEBUG_SHOW_INFO) { 9181 Log.v(TAG, " " 9182 + (p.info.nonLocalizedLabel != null 9183 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9184 Log.v(TAG, " Class=" + p.info.name); 9185 } 9186 final int NI = p.intents.size(); 9187 int j; 9188 for (j = 0; j < NI; j++) { 9189 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9190 if (DEBUG_SHOW_INFO) { 9191 Log.v(TAG, " IntentFilter:"); 9192 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9193 } 9194 if (!intent.debugCheck()) { 9195 Log.w(TAG, "==> For Provider " + p.info.name); 9196 } 9197 addFilter(intent); 9198 } 9199 } 9200 9201 public final void removeProvider(PackageParser.Provider p) { 9202 mProviders.remove(p.getComponentName()); 9203 if (DEBUG_SHOW_INFO) { 9204 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9205 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9206 Log.v(TAG, " Class=" + p.info.name); 9207 } 9208 final int NI = p.intents.size(); 9209 int j; 9210 for (j = 0; j < NI; j++) { 9211 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9212 if (DEBUG_SHOW_INFO) { 9213 Log.v(TAG, " IntentFilter:"); 9214 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9215 } 9216 removeFilter(intent); 9217 } 9218 } 9219 9220 @Override 9221 protected boolean allowFilterResult( 9222 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9223 ProviderInfo filterPi = filter.provider.info; 9224 for (int i = dest.size() - 1; i >= 0; i--) { 9225 ProviderInfo destPi = dest.get(i).providerInfo; 9226 if (destPi.name == filterPi.name 9227 && destPi.packageName == filterPi.packageName) { 9228 return false; 9229 } 9230 } 9231 return true; 9232 } 9233 9234 @Override 9235 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9236 return new PackageParser.ProviderIntentInfo[size]; 9237 } 9238 9239 @Override 9240 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9241 if (!sUserManager.exists(userId)) 9242 return true; 9243 PackageParser.Package p = filter.provider.owner; 9244 if (p != null) { 9245 PackageSetting ps = (PackageSetting) p.mExtras; 9246 if (ps != null) { 9247 // System apps are never considered stopped for purposes of 9248 // filtering, because there may be no way for the user to 9249 // actually re-launch them. 9250 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9251 && ps.getStopped(userId); 9252 } 9253 } 9254 return false; 9255 } 9256 9257 @Override 9258 protected boolean isPackageForFilter(String packageName, 9259 PackageParser.ProviderIntentInfo info) { 9260 return packageName.equals(info.provider.owner.packageName); 9261 } 9262 9263 @Override 9264 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9265 int match, int userId) { 9266 if (!sUserManager.exists(userId)) 9267 return null; 9268 final PackageParser.ProviderIntentInfo info = filter; 9269 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9270 return null; 9271 } 9272 final PackageParser.Provider provider = info.provider; 9273 if (mSafeMode && (provider.info.applicationInfo.flags 9274 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9275 return null; 9276 } 9277 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9278 if (ps == null) { 9279 return null; 9280 } 9281 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9282 ps.readUserState(userId), userId); 9283 if (pi == null) { 9284 return null; 9285 } 9286 final ResolveInfo res = new ResolveInfo(); 9287 res.providerInfo = pi; 9288 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9289 res.filter = filter; 9290 } 9291 res.priority = info.getPriority(); 9292 res.preferredOrder = provider.owner.mPreferredOrder; 9293 res.match = match; 9294 res.isDefault = info.hasDefault; 9295 res.labelRes = info.labelRes; 9296 res.nonLocalizedLabel = info.nonLocalizedLabel; 9297 res.icon = info.icon; 9298 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9299 return res; 9300 } 9301 9302 @Override 9303 protected void sortResults(List<ResolveInfo> results) { 9304 Collections.sort(results, mResolvePrioritySorter); 9305 } 9306 9307 @Override 9308 protected void dumpFilter(PrintWriter out, String prefix, 9309 PackageParser.ProviderIntentInfo filter) { 9310 out.print(prefix); 9311 out.print( 9312 Integer.toHexString(System.identityHashCode(filter.provider))); 9313 out.print(' '); 9314 filter.provider.printComponentShortName(out); 9315 out.print(" filter "); 9316 out.println(Integer.toHexString(System.identityHashCode(filter))); 9317 } 9318 9319 @Override 9320 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9321 return filter.provider; 9322 } 9323 9324 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9325 PackageParser.Provider provider = (PackageParser.Provider)label; 9326 out.print(prefix); out.print( 9327 Integer.toHexString(System.identityHashCode(provider))); 9328 out.print(' '); 9329 provider.printComponentShortName(out); 9330 if (count > 1) { 9331 out.print(" ("); out.print(count); out.print(" filters)"); 9332 } 9333 out.println(); 9334 } 9335 9336 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9337 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9338 private int mFlags; 9339 }; 9340 9341 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9342 new Comparator<ResolveInfo>() { 9343 public int compare(ResolveInfo r1, ResolveInfo r2) { 9344 int v1 = r1.priority; 9345 int v2 = r2.priority; 9346 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9347 if (v1 != v2) { 9348 return (v1 > v2) ? -1 : 1; 9349 } 9350 v1 = r1.preferredOrder; 9351 v2 = r2.preferredOrder; 9352 if (v1 != v2) { 9353 return (v1 > v2) ? -1 : 1; 9354 } 9355 if (r1.isDefault != r2.isDefault) { 9356 return r1.isDefault ? -1 : 1; 9357 } 9358 v1 = r1.match; 9359 v2 = r2.match; 9360 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9361 if (v1 != v2) { 9362 return (v1 > v2) ? -1 : 1; 9363 } 9364 if (r1.system != r2.system) { 9365 return r1.system ? -1 : 1; 9366 } 9367 return 0; 9368 } 9369 }; 9370 9371 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9372 new Comparator<ProviderInfo>() { 9373 public int compare(ProviderInfo p1, ProviderInfo p2) { 9374 final int v1 = p1.initOrder; 9375 final int v2 = p2.initOrder; 9376 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9377 } 9378 }; 9379 9380 final void sendPackageBroadcast(final String action, final String pkg, 9381 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9382 final int[] userIds) { 9383 mHandler.post(new Runnable() { 9384 @Override 9385 public void run() { 9386 try { 9387 final IActivityManager am = ActivityManagerNative.getDefault(); 9388 if (am == null) return; 9389 final int[] resolvedUserIds; 9390 if (userIds == null) { 9391 resolvedUserIds = am.getRunningUserIds(); 9392 } else { 9393 resolvedUserIds = userIds; 9394 } 9395 for (int id : resolvedUserIds) { 9396 final Intent intent = new Intent(action, 9397 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9398 if (extras != null) { 9399 intent.putExtras(extras); 9400 } 9401 if (targetPkg != null) { 9402 intent.setPackage(targetPkg); 9403 } 9404 // Modify the UID when posting to other users 9405 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9406 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9407 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9408 intent.putExtra(Intent.EXTRA_UID, uid); 9409 } 9410 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9411 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9412 if (DEBUG_BROADCASTS) { 9413 RuntimeException here = new RuntimeException("here"); 9414 here.fillInStackTrace(); 9415 Slog.d(TAG, "Sending to user " + id + ": " 9416 + intent.toShortString(false, true, false, false) 9417 + " " + intent.getExtras(), here); 9418 } 9419 am.broadcastIntent(null, intent, null, finishedReceiver, 9420 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9421 null, finishedReceiver != null, false, id); 9422 } 9423 } catch (RemoteException ex) { 9424 } 9425 } 9426 }); 9427 } 9428 9429 /** 9430 * Check if the external storage media is available. This is true if there 9431 * is a mounted external storage medium or if the external storage is 9432 * emulated. 9433 */ 9434 private boolean isExternalMediaAvailable() { 9435 return mMediaMounted || Environment.isExternalStorageEmulated(); 9436 } 9437 9438 @Override 9439 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9440 // writer 9441 synchronized (mPackages) { 9442 if (!isExternalMediaAvailable()) { 9443 // If the external storage is no longer mounted at this point, 9444 // the caller may not have been able to delete all of this 9445 // packages files and can not delete any more. Bail. 9446 return null; 9447 } 9448 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9449 if (lastPackage != null) { 9450 pkgs.remove(lastPackage); 9451 } 9452 if (pkgs.size() > 0) { 9453 return pkgs.get(0); 9454 } 9455 } 9456 return null; 9457 } 9458 9459 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9460 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9461 userId, andCode ? 1 : 0, packageName); 9462 if (mSystemReady) { 9463 msg.sendToTarget(); 9464 } else { 9465 if (mPostSystemReadyMessages == null) { 9466 mPostSystemReadyMessages = new ArrayList<>(); 9467 } 9468 mPostSystemReadyMessages.add(msg); 9469 } 9470 } 9471 9472 void startCleaningPackages() { 9473 // reader 9474 synchronized (mPackages) { 9475 if (!isExternalMediaAvailable()) { 9476 return; 9477 } 9478 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9479 return; 9480 } 9481 } 9482 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9483 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9484 IActivityManager am = ActivityManagerNative.getDefault(); 9485 if (am != null) { 9486 try { 9487 am.startService(null, intent, null, mContext.getOpPackageName(), 9488 UserHandle.USER_OWNER); 9489 } catch (RemoteException e) { 9490 } 9491 } 9492 } 9493 9494 @Override 9495 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9496 int installFlags, String installerPackageName, VerificationParams verificationParams, 9497 String packageAbiOverride) { 9498 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9499 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9500 } 9501 9502 @Override 9503 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9504 int installFlags, String installerPackageName, VerificationParams verificationParams, 9505 String packageAbiOverride, int userId) { 9506 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9507 9508 final int callingUid = Binder.getCallingUid(); 9509 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9510 9511 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9512 try { 9513 if (observer != null) { 9514 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9515 } 9516 } catch (RemoteException re) { 9517 } 9518 return; 9519 } 9520 9521 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9522 installFlags |= PackageManager.INSTALL_FROM_ADB; 9523 9524 } else { 9525 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9526 // about installerPackageName. 9527 9528 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9529 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9530 } 9531 9532 UserHandle user; 9533 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9534 user = UserHandle.ALL; 9535 } else { 9536 user = new UserHandle(userId); 9537 } 9538 9539 // Only system components can circumvent runtime permissions when installing. 9540 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9541 && mContext.checkCallingOrSelfPermission(Manifest.permission 9542 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9543 throw new SecurityException("You need the " 9544 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9545 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9546 } 9547 9548 verificationParams.setInstallerUid(callingUid); 9549 9550 final File originFile = new File(originPath); 9551 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9552 9553 final Message msg = mHandler.obtainMessage(INIT_COPY); 9554 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9555 null, verificationParams, user, packageAbiOverride, null); 9556 mHandler.sendMessage(msg); 9557 } 9558 9559 void installStage(String packageName, File stagedDir, String stagedCid, 9560 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9561 String installerPackageName, int installerUid, UserHandle user) { 9562 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9563 params.referrerUri, installerUid, null); 9564 verifParams.setInstallerUid(installerUid); 9565 9566 final OriginInfo origin; 9567 if (stagedDir != null) { 9568 origin = OriginInfo.fromStagedFile(stagedDir); 9569 } else { 9570 origin = OriginInfo.fromStagedContainer(stagedCid); 9571 } 9572 9573 final Message msg = mHandler.obtainMessage(INIT_COPY); 9574 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9575 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride, 9576 params.grantedRuntimePermissions); 9577 mHandler.sendMessage(msg); 9578 } 9579 9580 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9581 Bundle extras = new Bundle(1); 9582 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9583 9584 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9585 packageName, extras, null, null, new int[] {userId}); 9586 try { 9587 IActivityManager am = ActivityManagerNative.getDefault(); 9588 final boolean isSystem = 9589 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9590 if (isSystem && am.isUserRunning(userId, false)) { 9591 // The just-installed/enabled app is bundled on the system, so presumed 9592 // to be able to run automatically without needing an explicit launch. 9593 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9594 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9595 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9596 .setPackage(packageName); 9597 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9598 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9599 } 9600 } catch (RemoteException e) { 9601 // shouldn't happen 9602 Slog.w(TAG, "Unable to bootstrap installed package", e); 9603 } 9604 } 9605 9606 @Override 9607 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9608 int userId) { 9609 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9610 PackageSetting pkgSetting; 9611 final int uid = Binder.getCallingUid(); 9612 enforceCrossUserPermission(uid, userId, true, true, 9613 "setApplicationHiddenSetting for user " + userId); 9614 9615 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9616 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9617 return false; 9618 } 9619 9620 long callingId = Binder.clearCallingIdentity(); 9621 try { 9622 boolean sendAdded = false; 9623 boolean sendRemoved = false; 9624 // writer 9625 synchronized (mPackages) { 9626 pkgSetting = mSettings.mPackages.get(packageName); 9627 if (pkgSetting == null) { 9628 return false; 9629 } 9630 if (pkgSetting.getHidden(userId) != hidden) { 9631 pkgSetting.setHidden(hidden, userId); 9632 mSettings.writePackageRestrictionsLPr(userId); 9633 if (hidden) { 9634 sendRemoved = true; 9635 } else { 9636 sendAdded = true; 9637 } 9638 } 9639 } 9640 if (sendAdded) { 9641 sendPackageAddedForUser(packageName, pkgSetting, userId); 9642 return true; 9643 } 9644 if (sendRemoved) { 9645 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9646 "hiding pkg"); 9647 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9648 return true; 9649 } 9650 } finally { 9651 Binder.restoreCallingIdentity(callingId); 9652 } 9653 return false; 9654 } 9655 9656 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9657 int userId) { 9658 final PackageRemovedInfo info = new PackageRemovedInfo(); 9659 info.removedPackage = packageName; 9660 info.removedUsers = new int[] {userId}; 9661 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9662 info.sendBroadcast(false, false, false); 9663 } 9664 9665 /** 9666 * Returns true if application is not found or there was an error. Otherwise it returns 9667 * the hidden state of the package for the given user. 9668 */ 9669 @Override 9670 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9671 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9672 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9673 false, "getApplicationHidden for user " + userId); 9674 PackageSetting pkgSetting; 9675 long callingId = Binder.clearCallingIdentity(); 9676 try { 9677 // writer 9678 synchronized (mPackages) { 9679 pkgSetting = mSettings.mPackages.get(packageName); 9680 if (pkgSetting == null) { 9681 return true; 9682 } 9683 return pkgSetting.getHidden(userId); 9684 } 9685 } finally { 9686 Binder.restoreCallingIdentity(callingId); 9687 } 9688 } 9689 9690 /** 9691 * @hide 9692 */ 9693 @Override 9694 public int installExistingPackageAsUser(String packageName, int userId) { 9695 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9696 null); 9697 PackageSetting pkgSetting; 9698 final int uid = Binder.getCallingUid(); 9699 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9700 + userId); 9701 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9702 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9703 } 9704 9705 long callingId = Binder.clearCallingIdentity(); 9706 try { 9707 boolean sendAdded = false; 9708 9709 // writer 9710 synchronized (mPackages) { 9711 pkgSetting = mSettings.mPackages.get(packageName); 9712 if (pkgSetting == null) { 9713 return PackageManager.INSTALL_FAILED_INVALID_URI; 9714 } 9715 if (!pkgSetting.getInstalled(userId)) { 9716 pkgSetting.setInstalled(true, userId); 9717 pkgSetting.setHidden(false, userId); 9718 mSettings.writePackageRestrictionsLPr(userId); 9719 sendAdded = true; 9720 } 9721 } 9722 9723 if (sendAdded) { 9724 sendPackageAddedForUser(packageName, pkgSetting, userId); 9725 } 9726 } finally { 9727 Binder.restoreCallingIdentity(callingId); 9728 } 9729 9730 return PackageManager.INSTALL_SUCCEEDED; 9731 } 9732 9733 boolean isUserRestricted(int userId, String restrictionKey) { 9734 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9735 if (restrictions.getBoolean(restrictionKey, false)) { 9736 Log.w(TAG, "User is restricted: " + restrictionKey); 9737 return true; 9738 } 9739 return false; 9740 } 9741 9742 @Override 9743 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9744 mContext.enforceCallingOrSelfPermission( 9745 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9746 "Only package verification agents can verify applications"); 9747 9748 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9749 final PackageVerificationResponse response = new PackageVerificationResponse( 9750 verificationCode, Binder.getCallingUid()); 9751 msg.arg1 = id; 9752 msg.obj = response; 9753 mHandler.sendMessage(msg); 9754 } 9755 9756 @Override 9757 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9758 long millisecondsToDelay) { 9759 mContext.enforceCallingOrSelfPermission( 9760 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9761 "Only package verification agents can extend verification timeouts"); 9762 9763 final PackageVerificationState state = mPendingVerification.get(id); 9764 final PackageVerificationResponse response = new PackageVerificationResponse( 9765 verificationCodeAtTimeout, Binder.getCallingUid()); 9766 9767 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9768 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9769 } 9770 if (millisecondsToDelay < 0) { 9771 millisecondsToDelay = 0; 9772 } 9773 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9774 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9775 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9776 } 9777 9778 if ((state != null) && !state.timeoutExtended()) { 9779 state.extendTimeout(); 9780 9781 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9782 msg.arg1 = id; 9783 msg.obj = response; 9784 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9785 } 9786 } 9787 9788 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9789 int verificationCode, UserHandle user) { 9790 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9791 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9792 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9793 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9794 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9795 9796 mContext.sendBroadcastAsUser(intent, user, 9797 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9798 } 9799 9800 private ComponentName matchComponentForVerifier(String packageName, 9801 List<ResolveInfo> receivers) { 9802 ActivityInfo targetReceiver = null; 9803 9804 final int NR = receivers.size(); 9805 for (int i = 0; i < NR; i++) { 9806 final ResolveInfo info = receivers.get(i); 9807 if (info.activityInfo == null) { 9808 continue; 9809 } 9810 9811 if (packageName.equals(info.activityInfo.packageName)) { 9812 targetReceiver = info.activityInfo; 9813 break; 9814 } 9815 } 9816 9817 if (targetReceiver == null) { 9818 return null; 9819 } 9820 9821 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9822 } 9823 9824 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9825 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9826 if (pkgInfo.verifiers.length == 0) { 9827 return null; 9828 } 9829 9830 final int N = pkgInfo.verifiers.length; 9831 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9832 for (int i = 0; i < N; i++) { 9833 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9834 9835 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9836 receivers); 9837 if (comp == null) { 9838 continue; 9839 } 9840 9841 final int verifierUid = getUidForVerifier(verifierInfo); 9842 if (verifierUid == -1) { 9843 continue; 9844 } 9845 9846 if (DEBUG_VERIFY) { 9847 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9848 + " with the correct signature"); 9849 } 9850 sufficientVerifiers.add(comp); 9851 verificationState.addSufficientVerifier(verifierUid); 9852 } 9853 9854 return sufficientVerifiers; 9855 } 9856 9857 private int getUidForVerifier(VerifierInfo verifierInfo) { 9858 synchronized (mPackages) { 9859 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9860 if (pkg == null) { 9861 return -1; 9862 } else if (pkg.mSignatures.length != 1) { 9863 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9864 + " has more than one signature; ignoring"); 9865 return -1; 9866 } 9867 9868 /* 9869 * If the public key of the package's signature does not match 9870 * our expected public key, then this is a different package and 9871 * we should skip. 9872 */ 9873 9874 final byte[] expectedPublicKey; 9875 try { 9876 final Signature verifierSig = pkg.mSignatures[0]; 9877 final PublicKey publicKey = verifierSig.getPublicKey(); 9878 expectedPublicKey = publicKey.getEncoded(); 9879 } catch (CertificateException e) { 9880 return -1; 9881 } 9882 9883 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9884 9885 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9886 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9887 + " does not have the expected public key; ignoring"); 9888 return -1; 9889 } 9890 9891 return pkg.applicationInfo.uid; 9892 } 9893 } 9894 9895 @Override 9896 public void finishPackageInstall(int token) { 9897 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9898 9899 if (DEBUG_INSTALL) { 9900 Slog.v(TAG, "BM finishing package install for " + token); 9901 } 9902 9903 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9904 mHandler.sendMessage(msg); 9905 } 9906 9907 /** 9908 * Get the verification agent timeout. 9909 * 9910 * @return verification timeout in milliseconds 9911 */ 9912 private long getVerificationTimeout() { 9913 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9914 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9915 DEFAULT_VERIFICATION_TIMEOUT); 9916 } 9917 9918 /** 9919 * Get the default verification agent response code. 9920 * 9921 * @return default verification response code 9922 */ 9923 private int getDefaultVerificationResponse() { 9924 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9925 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9926 DEFAULT_VERIFICATION_RESPONSE); 9927 } 9928 9929 /** 9930 * Check whether or not package verification has been enabled. 9931 * 9932 * @return true if verification should be performed 9933 */ 9934 private boolean isVerificationEnabled(int userId, int installFlags) { 9935 if (!DEFAULT_VERIFY_ENABLE) { 9936 return false; 9937 } 9938 9939 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9940 9941 // Check if installing from ADB 9942 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9943 // Do not run verification in a test harness environment 9944 if (ActivityManager.isRunningInTestHarness()) { 9945 return false; 9946 } 9947 if (ensureVerifyAppsEnabled) { 9948 return true; 9949 } 9950 // Check if the developer does not want package verification for ADB installs 9951 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9952 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9953 return false; 9954 } 9955 } 9956 9957 if (ensureVerifyAppsEnabled) { 9958 return true; 9959 } 9960 9961 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9962 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9963 } 9964 9965 @Override 9966 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9967 throws RemoteException { 9968 mContext.enforceCallingOrSelfPermission( 9969 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9970 "Only intentfilter verification agents can verify applications"); 9971 9972 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9973 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9974 Binder.getCallingUid(), verificationCode, failedDomains); 9975 msg.arg1 = id; 9976 msg.obj = response; 9977 mHandler.sendMessage(msg); 9978 } 9979 9980 @Override 9981 public int getIntentVerificationStatus(String packageName, int userId) { 9982 synchronized (mPackages) { 9983 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9984 } 9985 } 9986 9987 @Override 9988 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 9989 mContext.enforceCallingOrSelfPermission( 9990 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 9991 9992 boolean result = false; 9993 synchronized (mPackages) { 9994 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 9995 } 9996 if (result) { 9997 scheduleWritePackageRestrictionsLocked(userId); 9998 } 9999 return result; 10000 } 10001 10002 @Override 10003 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10004 synchronized (mPackages) { 10005 return mSettings.getIntentFilterVerificationsLPr(packageName); 10006 } 10007 } 10008 10009 @Override 10010 public List<IntentFilter> getAllIntentFilters(String packageName) { 10011 if (TextUtils.isEmpty(packageName)) { 10012 return Collections.<IntentFilter>emptyList(); 10013 } 10014 synchronized (mPackages) { 10015 PackageParser.Package pkg = mPackages.get(packageName); 10016 if (pkg == null || pkg.activities == null) { 10017 return Collections.<IntentFilter>emptyList(); 10018 } 10019 final int count = pkg.activities.size(); 10020 ArrayList<IntentFilter> result = new ArrayList<>(); 10021 for (int n=0; n<count; n++) { 10022 PackageParser.Activity activity = pkg.activities.get(n); 10023 if (activity.intents != null || activity.intents.size() > 0) { 10024 result.addAll(activity.intents); 10025 } 10026 } 10027 return result; 10028 } 10029 } 10030 10031 @Override 10032 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10033 mContext.enforceCallingOrSelfPermission( 10034 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10035 10036 synchronized (mPackages) { 10037 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10038 if (packageName != null) { 10039 result |= updateIntentVerificationStatus(packageName, 10040 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10041 userId); 10042 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10043 packageName, userId); 10044 } 10045 return result; 10046 } 10047 } 10048 10049 @Override 10050 public String getDefaultBrowserPackageName(int userId) { 10051 synchronized (mPackages) { 10052 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10053 } 10054 } 10055 10056 /** 10057 * Get the "allow unknown sources" setting. 10058 * 10059 * @return the current "allow unknown sources" setting 10060 */ 10061 private int getUnknownSourcesSettings() { 10062 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10063 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10064 -1); 10065 } 10066 10067 @Override 10068 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10069 final int uid = Binder.getCallingUid(); 10070 // writer 10071 synchronized (mPackages) { 10072 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10073 if (targetPackageSetting == null) { 10074 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10075 } 10076 10077 PackageSetting installerPackageSetting; 10078 if (installerPackageName != null) { 10079 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10080 if (installerPackageSetting == null) { 10081 throw new IllegalArgumentException("Unknown installer package: " 10082 + installerPackageName); 10083 } 10084 } else { 10085 installerPackageSetting = null; 10086 } 10087 10088 Signature[] callerSignature; 10089 Object obj = mSettings.getUserIdLPr(uid); 10090 if (obj != null) { 10091 if (obj instanceof SharedUserSetting) { 10092 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10093 } else if (obj instanceof PackageSetting) { 10094 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10095 } else { 10096 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10097 } 10098 } else { 10099 throw new SecurityException("Unknown calling uid " + uid); 10100 } 10101 10102 // Verify: can't set installerPackageName to a package that is 10103 // not signed with the same cert as the caller. 10104 if (installerPackageSetting != null) { 10105 if (compareSignatures(callerSignature, 10106 installerPackageSetting.signatures.mSignatures) 10107 != PackageManager.SIGNATURE_MATCH) { 10108 throw new SecurityException( 10109 "Caller does not have same cert as new installer package " 10110 + installerPackageName); 10111 } 10112 } 10113 10114 // Verify: if target already has an installer package, it must 10115 // be signed with the same cert as the caller. 10116 if (targetPackageSetting.installerPackageName != null) { 10117 PackageSetting setting = mSettings.mPackages.get( 10118 targetPackageSetting.installerPackageName); 10119 // If the currently set package isn't valid, then it's always 10120 // okay to change it. 10121 if (setting != null) { 10122 if (compareSignatures(callerSignature, 10123 setting.signatures.mSignatures) 10124 != PackageManager.SIGNATURE_MATCH) { 10125 throw new SecurityException( 10126 "Caller does not have same cert as old installer package " 10127 + targetPackageSetting.installerPackageName); 10128 } 10129 } 10130 } 10131 10132 // Okay! 10133 targetPackageSetting.installerPackageName = installerPackageName; 10134 scheduleWriteSettingsLocked(); 10135 } 10136 } 10137 10138 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10139 // Queue up an async operation since the package installation may take a little while. 10140 mHandler.post(new Runnable() { 10141 public void run() { 10142 mHandler.removeCallbacks(this); 10143 // Result object to be returned 10144 PackageInstalledInfo res = new PackageInstalledInfo(); 10145 res.returnCode = currentStatus; 10146 res.uid = -1; 10147 res.pkg = null; 10148 res.removedInfo = new PackageRemovedInfo(); 10149 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10150 args.doPreInstall(res.returnCode); 10151 synchronized (mInstallLock) { 10152 installPackageLI(args, res); 10153 } 10154 args.doPostInstall(res.returnCode, res.uid); 10155 } 10156 10157 // A restore should be performed at this point if (a) the install 10158 // succeeded, (b) the operation is not an update, and (c) the new 10159 // package has not opted out of backup participation. 10160 final boolean update = res.removedInfo.removedPackage != null; 10161 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10162 boolean doRestore = !update 10163 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10164 10165 // Set up the post-install work request bookkeeping. This will be used 10166 // and cleaned up by the post-install event handling regardless of whether 10167 // there's a restore pass performed. Token values are >= 1. 10168 int token; 10169 if (mNextInstallToken < 0) mNextInstallToken = 1; 10170 token = mNextInstallToken++; 10171 10172 PostInstallData data = new PostInstallData(args, res); 10173 mRunningInstalls.put(token, data); 10174 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10175 10176 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10177 // Pass responsibility to the Backup Manager. It will perform a 10178 // restore if appropriate, then pass responsibility back to the 10179 // Package Manager to run the post-install observer callbacks 10180 // and broadcasts. 10181 IBackupManager bm = IBackupManager.Stub.asInterface( 10182 ServiceManager.getService(Context.BACKUP_SERVICE)); 10183 if (bm != null) { 10184 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10185 + " to BM for possible restore"); 10186 try { 10187 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10188 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10189 } else { 10190 doRestore = false; 10191 } 10192 } catch (RemoteException e) { 10193 // can't happen; the backup manager is local 10194 } catch (Exception e) { 10195 Slog.e(TAG, "Exception trying to enqueue restore", e); 10196 doRestore = false; 10197 } 10198 } else { 10199 Slog.e(TAG, "Backup Manager not found!"); 10200 doRestore = false; 10201 } 10202 } 10203 10204 if (!doRestore) { 10205 // No restore possible, or the Backup Manager was mysteriously not 10206 // available -- just fire the post-install work request directly. 10207 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10208 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10209 mHandler.sendMessage(msg); 10210 } 10211 } 10212 }); 10213 } 10214 10215 private abstract class HandlerParams { 10216 private static final int MAX_RETRIES = 4; 10217 10218 /** 10219 * Number of times startCopy() has been attempted and had a non-fatal 10220 * error. 10221 */ 10222 private int mRetries = 0; 10223 10224 /** User handle for the user requesting the information or installation. */ 10225 private final UserHandle mUser; 10226 10227 HandlerParams(UserHandle user) { 10228 mUser = user; 10229 } 10230 10231 UserHandle getUser() { 10232 return mUser; 10233 } 10234 10235 final boolean startCopy() { 10236 boolean res; 10237 try { 10238 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10239 10240 if (++mRetries > MAX_RETRIES) { 10241 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10242 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10243 handleServiceError(); 10244 return false; 10245 } else { 10246 handleStartCopy(); 10247 res = true; 10248 } 10249 } catch (RemoteException e) { 10250 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10251 mHandler.sendEmptyMessage(MCS_RECONNECT); 10252 res = false; 10253 } 10254 handleReturnCode(); 10255 return res; 10256 } 10257 10258 final void serviceError() { 10259 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10260 handleServiceError(); 10261 handleReturnCode(); 10262 } 10263 10264 abstract void handleStartCopy() throws RemoteException; 10265 abstract void handleServiceError(); 10266 abstract void handleReturnCode(); 10267 } 10268 10269 class MeasureParams extends HandlerParams { 10270 private final PackageStats mStats; 10271 private boolean mSuccess; 10272 10273 private final IPackageStatsObserver mObserver; 10274 10275 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10276 super(new UserHandle(stats.userHandle)); 10277 mObserver = observer; 10278 mStats = stats; 10279 } 10280 10281 @Override 10282 public String toString() { 10283 return "MeasureParams{" 10284 + Integer.toHexString(System.identityHashCode(this)) 10285 + " " + mStats.packageName + "}"; 10286 } 10287 10288 @Override 10289 void handleStartCopy() throws RemoteException { 10290 synchronized (mInstallLock) { 10291 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10292 } 10293 10294 if (mSuccess) { 10295 final boolean mounted; 10296 if (Environment.isExternalStorageEmulated()) { 10297 mounted = true; 10298 } else { 10299 final String status = Environment.getExternalStorageState(); 10300 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10301 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10302 } 10303 10304 if (mounted) { 10305 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10306 10307 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10308 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10309 10310 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10311 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10312 10313 // Always subtract cache size, since it's a subdirectory 10314 mStats.externalDataSize -= mStats.externalCacheSize; 10315 10316 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10317 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10318 10319 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10320 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10321 } 10322 } 10323 } 10324 10325 @Override 10326 void handleReturnCode() { 10327 if (mObserver != null) { 10328 try { 10329 mObserver.onGetStatsCompleted(mStats, mSuccess); 10330 } catch (RemoteException e) { 10331 Slog.i(TAG, "Observer no longer exists."); 10332 } 10333 } 10334 } 10335 10336 @Override 10337 void handleServiceError() { 10338 Slog.e(TAG, "Could not measure application " + mStats.packageName 10339 + " external storage"); 10340 } 10341 } 10342 10343 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10344 throws RemoteException { 10345 long result = 0; 10346 for (File path : paths) { 10347 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10348 } 10349 return result; 10350 } 10351 10352 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10353 for (File path : paths) { 10354 try { 10355 mcs.clearDirectory(path.getAbsolutePath()); 10356 } catch (RemoteException e) { 10357 } 10358 } 10359 } 10360 10361 static class OriginInfo { 10362 /** 10363 * Location where install is coming from, before it has been 10364 * copied/renamed into place. This could be a single monolithic APK 10365 * file, or a cluster directory. This location may be untrusted. 10366 */ 10367 final File file; 10368 final String cid; 10369 10370 /** 10371 * Flag indicating that {@link #file} or {@link #cid} has already been 10372 * staged, meaning downstream users don't need to defensively copy the 10373 * contents. 10374 */ 10375 final boolean staged; 10376 10377 /** 10378 * Flag indicating that {@link #file} or {@link #cid} is an already 10379 * installed app that is being moved. 10380 */ 10381 final boolean existing; 10382 10383 final String resolvedPath; 10384 final File resolvedFile; 10385 10386 static OriginInfo fromNothing() { 10387 return new OriginInfo(null, null, false, false); 10388 } 10389 10390 static OriginInfo fromUntrustedFile(File file) { 10391 return new OriginInfo(file, null, false, false); 10392 } 10393 10394 static OriginInfo fromExistingFile(File file) { 10395 return new OriginInfo(file, null, false, true); 10396 } 10397 10398 static OriginInfo fromStagedFile(File file) { 10399 return new OriginInfo(file, null, true, false); 10400 } 10401 10402 static OriginInfo fromStagedContainer(String cid) { 10403 return new OriginInfo(null, cid, true, false); 10404 } 10405 10406 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10407 this.file = file; 10408 this.cid = cid; 10409 this.staged = staged; 10410 this.existing = existing; 10411 10412 if (cid != null) { 10413 resolvedPath = PackageHelper.getSdDir(cid); 10414 resolvedFile = new File(resolvedPath); 10415 } else if (file != null) { 10416 resolvedPath = file.getAbsolutePath(); 10417 resolvedFile = file; 10418 } else { 10419 resolvedPath = null; 10420 resolvedFile = null; 10421 } 10422 } 10423 } 10424 10425 class MoveInfo { 10426 final int moveId; 10427 final String fromUuid; 10428 final String toUuid; 10429 final String packageName; 10430 final String dataAppName; 10431 final int appId; 10432 final String seinfo; 10433 10434 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10435 String dataAppName, int appId, String seinfo) { 10436 this.moveId = moveId; 10437 this.fromUuid = fromUuid; 10438 this.toUuid = toUuid; 10439 this.packageName = packageName; 10440 this.dataAppName = dataAppName; 10441 this.appId = appId; 10442 this.seinfo = seinfo; 10443 } 10444 } 10445 10446 class InstallParams extends HandlerParams { 10447 final OriginInfo origin; 10448 final MoveInfo move; 10449 final IPackageInstallObserver2 observer; 10450 int installFlags; 10451 final String installerPackageName; 10452 final String volumeUuid; 10453 final VerificationParams verificationParams; 10454 private InstallArgs mArgs; 10455 private int mRet; 10456 final String packageAbiOverride; 10457 final String[] grantedRuntimePermissions; 10458 10459 10460 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10461 int installFlags, String installerPackageName, String volumeUuid, 10462 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10463 String[] grantedPermissions) { 10464 super(user); 10465 this.origin = origin; 10466 this.move = move; 10467 this.observer = observer; 10468 this.installFlags = installFlags; 10469 this.installerPackageName = installerPackageName; 10470 this.volumeUuid = volumeUuid; 10471 this.verificationParams = verificationParams; 10472 this.packageAbiOverride = packageAbiOverride; 10473 this.grantedRuntimePermissions = grantedPermissions; 10474 } 10475 10476 @Override 10477 public String toString() { 10478 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10479 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10480 } 10481 10482 public ManifestDigest getManifestDigest() { 10483 if (verificationParams == null) { 10484 return null; 10485 } 10486 return verificationParams.getManifestDigest(); 10487 } 10488 10489 private int installLocationPolicy(PackageInfoLite pkgLite) { 10490 String packageName = pkgLite.packageName; 10491 int installLocation = pkgLite.installLocation; 10492 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10493 // reader 10494 synchronized (mPackages) { 10495 PackageParser.Package pkg = mPackages.get(packageName); 10496 if (pkg != null) { 10497 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10498 // Check for downgrading. 10499 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10500 try { 10501 checkDowngrade(pkg, pkgLite); 10502 } catch (PackageManagerException e) { 10503 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10504 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10505 } 10506 } 10507 // Check for updated system application. 10508 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10509 if (onSd) { 10510 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10511 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10512 } 10513 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10514 } else { 10515 if (onSd) { 10516 // Install flag overrides everything. 10517 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10518 } 10519 // If current upgrade specifies particular preference 10520 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10521 // Application explicitly specified internal. 10522 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10523 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10524 // App explictly prefers external. Let policy decide 10525 } else { 10526 // Prefer previous location 10527 if (isExternal(pkg)) { 10528 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10529 } 10530 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10531 } 10532 } 10533 } else { 10534 // Invalid install. Return error code 10535 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10536 } 10537 } 10538 } 10539 // All the special cases have been taken care of. 10540 // Return result based on recommended install location. 10541 if (onSd) { 10542 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10543 } 10544 return pkgLite.recommendedInstallLocation; 10545 } 10546 10547 /* 10548 * Invoke remote method to get package information and install 10549 * location values. Override install location based on default 10550 * policy if needed and then create install arguments based 10551 * on the install location. 10552 */ 10553 public void handleStartCopy() throws RemoteException { 10554 int ret = PackageManager.INSTALL_SUCCEEDED; 10555 10556 // If we're already staged, we've firmly committed to an install location 10557 if (origin.staged) { 10558 if (origin.file != null) { 10559 installFlags |= PackageManager.INSTALL_INTERNAL; 10560 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10561 } else if (origin.cid != null) { 10562 installFlags |= PackageManager.INSTALL_EXTERNAL; 10563 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10564 } else { 10565 throw new IllegalStateException("Invalid stage location"); 10566 } 10567 } 10568 10569 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10570 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10571 10572 PackageInfoLite pkgLite = null; 10573 10574 if (onInt && onSd) { 10575 // Check if both bits are set. 10576 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10577 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10578 } else { 10579 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10580 packageAbiOverride); 10581 10582 /* 10583 * If we have too little free space, try to free cache 10584 * before giving up. 10585 */ 10586 if (!origin.staged && pkgLite.recommendedInstallLocation 10587 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10588 // TODO: focus freeing disk space on the target device 10589 final StorageManager storage = StorageManager.from(mContext); 10590 final long lowThreshold = storage.getStorageLowBytes( 10591 Environment.getDataDirectory()); 10592 10593 final long sizeBytes = mContainerService.calculateInstalledSize( 10594 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10595 10596 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10597 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10598 installFlags, packageAbiOverride); 10599 } 10600 10601 /* 10602 * The cache free must have deleted the file we 10603 * downloaded to install. 10604 * 10605 * TODO: fix the "freeCache" call to not delete 10606 * the file we care about. 10607 */ 10608 if (pkgLite.recommendedInstallLocation 10609 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10610 pkgLite.recommendedInstallLocation 10611 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10612 } 10613 } 10614 } 10615 10616 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10617 int loc = pkgLite.recommendedInstallLocation; 10618 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10619 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10620 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10621 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10622 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10623 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10624 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10625 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10626 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10627 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10628 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10629 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10630 } else { 10631 // Override with defaults if needed. 10632 loc = installLocationPolicy(pkgLite); 10633 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10634 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10635 } else if (!onSd && !onInt) { 10636 // Override install location with flags 10637 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10638 // Set the flag to install on external media. 10639 installFlags |= PackageManager.INSTALL_EXTERNAL; 10640 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10641 } else { 10642 // Make sure the flag for installing on external 10643 // media is unset 10644 installFlags |= PackageManager.INSTALL_INTERNAL; 10645 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10646 } 10647 } 10648 } 10649 } 10650 10651 final InstallArgs args = createInstallArgs(this); 10652 mArgs = args; 10653 10654 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10655 /* 10656 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10657 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10658 */ 10659 int userIdentifier = getUser().getIdentifier(); 10660 if (userIdentifier == UserHandle.USER_ALL 10661 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10662 userIdentifier = UserHandle.USER_OWNER; 10663 } 10664 10665 /* 10666 * Determine if we have any installed package verifiers. If we 10667 * do, then we'll defer to them to verify the packages. 10668 */ 10669 final int requiredUid = mRequiredVerifierPackage == null ? -1 10670 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10671 if (!origin.existing && requiredUid != -1 10672 && isVerificationEnabled(userIdentifier, installFlags)) { 10673 final Intent verification = new Intent( 10674 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10675 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10676 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10677 PACKAGE_MIME_TYPE); 10678 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10679 10680 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10681 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10682 0 /* TODO: Which userId? */); 10683 10684 if (DEBUG_VERIFY) { 10685 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10686 + verification.toString() + " with " + pkgLite.verifiers.length 10687 + " optional verifiers"); 10688 } 10689 10690 final int verificationId = mPendingVerificationToken++; 10691 10692 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10693 10694 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10695 installerPackageName); 10696 10697 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10698 installFlags); 10699 10700 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10701 pkgLite.packageName); 10702 10703 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10704 pkgLite.versionCode); 10705 10706 if (verificationParams != null) { 10707 if (verificationParams.getVerificationURI() != null) { 10708 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10709 verificationParams.getVerificationURI()); 10710 } 10711 if (verificationParams.getOriginatingURI() != null) { 10712 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10713 verificationParams.getOriginatingURI()); 10714 } 10715 if (verificationParams.getReferrer() != null) { 10716 verification.putExtra(Intent.EXTRA_REFERRER, 10717 verificationParams.getReferrer()); 10718 } 10719 if (verificationParams.getOriginatingUid() >= 0) { 10720 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10721 verificationParams.getOriginatingUid()); 10722 } 10723 if (verificationParams.getInstallerUid() >= 0) { 10724 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10725 verificationParams.getInstallerUid()); 10726 } 10727 } 10728 10729 final PackageVerificationState verificationState = new PackageVerificationState( 10730 requiredUid, args); 10731 10732 mPendingVerification.append(verificationId, verificationState); 10733 10734 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10735 receivers, verificationState); 10736 10737 // Apps installed for "all" users use the device owner to verify the app 10738 UserHandle verifierUser = getUser(); 10739 if (verifierUser == UserHandle.ALL) { 10740 verifierUser = UserHandle.OWNER; 10741 } 10742 10743 /* 10744 * If any sufficient verifiers were listed in the package 10745 * manifest, attempt to ask them. 10746 */ 10747 if (sufficientVerifiers != null) { 10748 final int N = sufficientVerifiers.size(); 10749 if (N == 0) { 10750 Slog.i(TAG, "Additional verifiers required, but none installed."); 10751 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10752 } else { 10753 for (int i = 0; i < N; i++) { 10754 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10755 10756 final Intent sufficientIntent = new Intent(verification); 10757 sufficientIntent.setComponent(verifierComponent); 10758 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10759 } 10760 } 10761 } 10762 10763 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10764 mRequiredVerifierPackage, receivers); 10765 if (ret == PackageManager.INSTALL_SUCCEEDED 10766 && mRequiredVerifierPackage != null) { 10767 /* 10768 * Send the intent to the required verification agent, 10769 * but only start the verification timeout after the 10770 * target BroadcastReceivers have run. 10771 */ 10772 verification.setComponent(requiredVerifierComponent); 10773 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10774 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10775 new BroadcastReceiver() { 10776 @Override 10777 public void onReceive(Context context, Intent intent) { 10778 final Message msg = mHandler 10779 .obtainMessage(CHECK_PENDING_VERIFICATION); 10780 msg.arg1 = verificationId; 10781 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10782 } 10783 }, null, 0, null, null); 10784 10785 /* 10786 * We don't want the copy to proceed until verification 10787 * succeeds, so null out this field. 10788 */ 10789 mArgs = null; 10790 } 10791 } else { 10792 /* 10793 * No package verification is enabled, so immediately start 10794 * the remote call to initiate copy using temporary file. 10795 */ 10796 ret = args.copyApk(mContainerService, true); 10797 } 10798 } 10799 10800 mRet = ret; 10801 } 10802 10803 @Override 10804 void handleReturnCode() { 10805 // If mArgs is null, then MCS couldn't be reached. When it 10806 // reconnects, it will try again to install. At that point, this 10807 // will succeed. 10808 if (mArgs != null) { 10809 processPendingInstall(mArgs, mRet); 10810 } 10811 } 10812 10813 @Override 10814 void handleServiceError() { 10815 mArgs = createInstallArgs(this); 10816 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10817 } 10818 10819 public boolean isForwardLocked() { 10820 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10821 } 10822 } 10823 10824 /** 10825 * Used during creation of InstallArgs 10826 * 10827 * @param installFlags package installation flags 10828 * @return true if should be installed on external storage 10829 */ 10830 private static boolean installOnExternalAsec(int installFlags) { 10831 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10832 return false; 10833 } 10834 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10835 return true; 10836 } 10837 return false; 10838 } 10839 10840 /** 10841 * Used during creation of InstallArgs 10842 * 10843 * @param installFlags package installation flags 10844 * @return true if should be installed as forward locked 10845 */ 10846 private static boolean installForwardLocked(int installFlags) { 10847 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10848 } 10849 10850 private InstallArgs createInstallArgs(InstallParams params) { 10851 if (params.move != null) { 10852 return new MoveInstallArgs(params); 10853 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10854 return new AsecInstallArgs(params); 10855 } else { 10856 return new FileInstallArgs(params); 10857 } 10858 } 10859 10860 /** 10861 * Create args that describe an existing installed package. Typically used 10862 * when cleaning up old installs, or used as a move source. 10863 */ 10864 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10865 String resourcePath, String[] instructionSets) { 10866 final boolean isInAsec; 10867 if (installOnExternalAsec(installFlags)) { 10868 /* Apps on SD card are always in ASEC containers. */ 10869 isInAsec = true; 10870 } else if (installForwardLocked(installFlags) 10871 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10872 /* 10873 * Forward-locked apps are only in ASEC containers if they're the 10874 * new style 10875 */ 10876 isInAsec = true; 10877 } else { 10878 isInAsec = false; 10879 } 10880 10881 if (isInAsec) { 10882 return new AsecInstallArgs(codePath, instructionSets, 10883 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10884 } else { 10885 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10886 } 10887 } 10888 10889 static abstract class InstallArgs { 10890 /** @see InstallParams#origin */ 10891 final OriginInfo origin; 10892 /** @see InstallParams#move */ 10893 final MoveInfo move; 10894 10895 final IPackageInstallObserver2 observer; 10896 // Always refers to PackageManager flags only 10897 final int installFlags; 10898 final String installerPackageName; 10899 final String volumeUuid; 10900 final ManifestDigest manifestDigest; 10901 final UserHandle user; 10902 final String abiOverride; 10903 final String[] installGrantPermissions; 10904 10905 // The list of instruction sets supported by this app. This is currently 10906 // only used during the rmdex() phase to clean up resources. We can get rid of this 10907 // if we move dex files under the common app path. 10908 /* nullable */ String[] instructionSets; 10909 10910 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10911 int installFlags, String installerPackageName, String volumeUuid, 10912 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10913 String abiOverride, String[] installGrantPermissions) { 10914 this.origin = origin; 10915 this.move = move; 10916 this.installFlags = installFlags; 10917 this.observer = observer; 10918 this.installerPackageName = installerPackageName; 10919 this.volumeUuid = volumeUuid; 10920 this.manifestDigest = manifestDigest; 10921 this.user = user; 10922 this.instructionSets = instructionSets; 10923 this.abiOverride = abiOverride; 10924 this.installGrantPermissions = installGrantPermissions; 10925 } 10926 10927 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10928 abstract int doPreInstall(int status); 10929 10930 /** 10931 * Rename package into final resting place. All paths on the given 10932 * scanned package should be updated to reflect the rename. 10933 */ 10934 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10935 abstract int doPostInstall(int status, int uid); 10936 10937 /** @see PackageSettingBase#codePathString */ 10938 abstract String getCodePath(); 10939 /** @see PackageSettingBase#resourcePathString */ 10940 abstract String getResourcePath(); 10941 10942 // Need installer lock especially for dex file removal. 10943 abstract void cleanUpResourcesLI(); 10944 abstract boolean doPostDeleteLI(boolean delete); 10945 10946 /** 10947 * Called before the source arguments are copied. This is used mostly 10948 * for MoveParams when it needs to read the source file to put it in the 10949 * destination. 10950 */ 10951 int doPreCopy() { 10952 return PackageManager.INSTALL_SUCCEEDED; 10953 } 10954 10955 /** 10956 * Called after the source arguments are copied. This is used mostly for 10957 * MoveParams when it needs to read the source file to put it in the 10958 * destination. 10959 * 10960 * @return 10961 */ 10962 int doPostCopy(int uid) { 10963 return PackageManager.INSTALL_SUCCEEDED; 10964 } 10965 10966 protected boolean isFwdLocked() { 10967 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10968 } 10969 10970 protected boolean isExternalAsec() { 10971 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10972 } 10973 10974 UserHandle getUser() { 10975 return user; 10976 } 10977 } 10978 10979 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10980 if (!allCodePaths.isEmpty()) { 10981 if (instructionSets == null) { 10982 throw new IllegalStateException("instructionSet == null"); 10983 } 10984 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10985 for (String codePath : allCodePaths) { 10986 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 10987 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 10988 if (retCode < 0) { 10989 Slog.w(TAG, "Couldn't remove dex file for package: " 10990 + " at location " + codePath + ", retcode=" + retCode); 10991 // we don't consider this to be a failure of the core package deletion 10992 } 10993 } 10994 } 10995 } 10996 } 10997 10998 /** 10999 * Logic to handle installation of non-ASEC applications, including copying 11000 * and renaming logic. 11001 */ 11002 class FileInstallArgs extends InstallArgs { 11003 private File codeFile; 11004 private File resourceFile; 11005 11006 // Example topology: 11007 // /data/app/com.example/base.apk 11008 // /data/app/com.example/split_foo.apk 11009 // /data/app/com.example/lib/arm/libfoo.so 11010 // /data/app/com.example/lib/arm64/libfoo.so 11011 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11012 11013 /** New install */ 11014 FileInstallArgs(InstallParams params) { 11015 super(params.origin, params.move, params.observer, params.installFlags, 11016 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11017 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11018 params.grantedRuntimePermissions); 11019 if (isFwdLocked()) { 11020 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11021 } 11022 } 11023 11024 /** Existing install */ 11025 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11026 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11027 null, null); 11028 this.codeFile = (codePath != null) ? new File(codePath) : null; 11029 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11030 } 11031 11032 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11033 if (origin.staged) { 11034 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11035 codeFile = origin.file; 11036 resourceFile = origin.file; 11037 return PackageManager.INSTALL_SUCCEEDED; 11038 } 11039 11040 try { 11041 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11042 codeFile = tempDir; 11043 resourceFile = tempDir; 11044 } catch (IOException e) { 11045 Slog.w(TAG, "Failed to create copy file: " + e); 11046 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11047 } 11048 11049 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11050 @Override 11051 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11052 if (!FileUtils.isValidExtFilename(name)) { 11053 throw new IllegalArgumentException("Invalid filename: " + name); 11054 } 11055 try { 11056 final File file = new File(codeFile, name); 11057 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11058 O_RDWR | O_CREAT, 0644); 11059 Os.chmod(file.getAbsolutePath(), 0644); 11060 return new ParcelFileDescriptor(fd); 11061 } catch (ErrnoException e) { 11062 throw new RemoteException("Failed to open: " + e.getMessage()); 11063 } 11064 } 11065 }; 11066 11067 int ret = PackageManager.INSTALL_SUCCEEDED; 11068 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11069 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11070 Slog.e(TAG, "Failed to copy package"); 11071 return ret; 11072 } 11073 11074 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11075 NativeLibraryHelper.Handle handle = null; 11076 try { 11077 handle = NativeLibraryHelper.Handle.create(codeFile); 11078 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11079 abiOverride); 11080 } catch (IOException e) { 11081 Slog.e(TAG, "Copying native libraries failed", e); 11082 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11083 } finally { 11084 IoUtils.closeQuietly(handle); 11085 } 11086 11087 return ret; 11088 } 11089 11090 int doPreInstall(int status) { 11091 if (status != PackageManager.INSTALL_SUCCEEDED) { 11092 cleanUp(); 11093 } 11094 return status; 11095 } 11096 11097 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11098 if (status != PackageManager.INSTALL_SUCCEEDED) { 11099 cleanUp(); 11100 return false; 11101 } 11102 11103 final File targetDir = codeFile.getParentFile(); 11104 final File beforeCodeFile = codeFile; 11105 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11106 11107 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11108 try { 11109 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11110 } catch (ErrnoException e) { 11111 Slog.w(TAG, "Failed to rename", e); 11112 return false; 11113 } 11114 11115 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11116 Slog.w(TAG, "Failed to restorecon"); 11117 return false; 11118 } 11119 11120 // Reflect the rename internally 11121 codeFile = afterCodeFile; 11122 resourceFile = afterCodeFile; 11123 11124 // Reflect the rename in scanned details 11125 pkg.codePath = afterCodeFile.getAbsolutePath(); 11126 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11127 pkg.baseCodePath); 11128 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11129 pkg.splitCodePaths); 11130 11131 // Reflect the rename in app info 11132 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11133 pkg.applicationInfo.setCodePath(pkg.codePath); 11134 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11135 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11136 pkg.applicationInfo.setResourcePath(pkg.codePath); 11137 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11138 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11139 11140 return true; 11141 } 11142 11143 int doPostInstall(int status, int uid) { 11144 if (status != PackageManager.INSTALL_SUCCEEDED) { 11145 cleanUp(); 11146 } 11147 return status; 11148 } 11149 11150 @Override 11151 String getCodePath() { 11152 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11153 } 11154 11155 @Override 11156 String getResourcePath() { 11157 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11158 } 11159 11160 private boolean cleanUp() { 11161 if (codeFile == null || !codeFile.exists()) { 11162 return false; 11163 } 11164 11165 if (codeFile.isDirectory()) { 11166 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11167 } else { 11168 codeFile.delete(); 11169 } 11170 11171 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11172 resourceFile.delete(); 11173 } 11174 11175 return true; 11176 } 11177 11178 void cleanUpResourcesLI() { 11179 // Try enumerating all code paths before deleting 11180 List<String> allCodePaths = Collections.EMPTY_LIST; 11181 if (codeFile != null && codeFile.exists()) { 11182 try { 11183 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11184 allCodePaths = pkg.getAllCodePaths(); 11185 } catch (PackageParserException e) { 11186 // Ignored; we tried our best 11187 } 11188 } 11189 11190 cleanUp(); 11191 removeDexFiles(allCodePaths, instructionSets); 11192 } 11193 11194 boolean doPostDeleteLI(boolean delete) { 11195 // XXX err, shouldn't we respect the delete flag? 11196 cleanUpResourcesLI(); 11197 return true; 11198 } 11199 } 11200 11201 private boolean isAsecExternal(String cid) { 11202 final String asecPath = PackageHelper.getSdFilesystem(cid); 11203 return !asecPath.startsWith(mAsecInternalPath); 11204 } 11205 11206 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11207 PackageManagerException { 11208 if (copyRet < 0) { 11209 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11210 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11211 throw new PackageManagerException(copyRet, message); 11212 } 11213 } 11214 } 11215 11216 /** 11217 * Extract the MountService "container ID" from the full code path of an 11218 * .apk. 11219 */ 11220 static String cidFromCodePath(String fullCodePath) { 11221 int eidx = fullCodePath.lastIndexOf("/"); 11222 String subStr1 = fullCodePath.substring(0, eidx); 11223 int sidx = subStr1.lastIndexOf("/"); 11224 return subStr1.substring(sidx+1, eidx); 11225 } 11226 11227 /** 11228 * Logic to handle installation of ASEC applications, including copying and 11229 * renaming logic. 11230 */ 11231 class AsecInstallArgs extends InstallArgs { 11232 static final String RES_FILE_NAME = "pkg.apk"; 11233 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11234 11235 String cid; 11236 String packagePath; 11237 String resourcePath; 11238 11239 /** New install */ 11240 AsecInstallArgs(InstallParams params) { 11241 super(params.origin, params.move, params.observer, params.installFlags, 11242 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11243 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11244 params.grantedRuntimePermissions); 11245 } 11246 11247 /** Existing install */ 11248 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11249 boolean isExternal, boolean isForwardLocked) { 11250 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11251 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11252 instructionSets, null, null); 11253 // Hackily pretend we're still looking at a full code path 11254 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11255 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11256 } 11257 11258 // Extract cid from fullCodePath 11259 int eidx = fullCodePath.lastIndexOf("/"); 11260 String subStr1 = fullCodePath.substring(0, eidx); 11261 int sidx = subStr1.lastIndexOf("/"); 11262 cid = subStr1.substring(sidx+1, eidx); 11263 setMountPath(subStr1); 11264 } 11265 11266 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11267 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11268 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11269 instructionSets, null, null); 11270 this.cid = cid; 11271 setMountPath(PackageHelper.getSdDir(cid)); 11272 } 11273 11274 void createCopyFile() { 11275 cid = mInstallerService.allocateExternalStageCidLegacy(); 11276 } 11277 11278 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11279 if (origin.staged) { 11280 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11281 cid = origin.cid; 11282 setMountPath(PackageHelper.getSdDir(cid)); 11283 return PackageManager.INSTALL_SUCCEEDED; 11284 } 11285 11286 if (temp) { 11287 createCopyFile(); 11288 } else { 11289 /* 11290 * Pre-emptively destroy the container since it's destroyed if 11291 * copying fails due to it existing anyway. 11292 */ 11293 PackageHelper.destroySdDir(cid); 11294 } 11295 11296 final String newMountPath = imcs.copyPackageToContainer( 11297 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11298 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11299 11300 if (newMountPath != null) { 11301 setMountPath(newMountPath); 11302 return PackageManager.INSTALL_SUCCEEDED; 11303 } else { 11304 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11305 } 11306 } 11307 11308 @Override 11309 String getCodePath() { 11310 return packagePath; 11311 } 11312 11313 @Override 11314 String getResourcePath() { 11315 return resourcePath; 11316 } 11317 11318 int doPreInstall(int status) { 11319 if (status != PackageManager.INSTALL_SUCCEEDED) { 11320 // Destroy container 11321 PackageHelper.destroySdDir(cid); 11322 } else { 11323 boolean mounted = PackageHelper.isContainerMounted(cid); 11324 if (!mounted) { 11325 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11326 Process.SYSTEM_UID); 11327 if (newMountPath != null) { 11328 setMountPath(newMountPath); 11329 } else { 11330 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11331 } 11332 } 11333 } 11334 return status; 11335 } 11336 11337 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11338 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11339 String newMountPath = null; 11340 if (PackageHelper.isContainerMounted(cid)) { 11341 // Unmount the container 11342 if (!PackageHelper.unMountSdDir(cid)) { 11343 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11344 return false; 11345 } 11346 } 11347 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11348 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11349 " which might be stale. Will try to clean up."); 11350 // Clean up the stale container and proceed to recreate. 11351 if (!PackageHelper.destroySdDir(newCacheId)) { 11352 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11353 return false; 11354 } 11355 // Successfully cleaned up stale container. Try to rename again. 11356 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11357 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11358 + " inspite of cleaning it up."); 11359 return false; 11360 } 11361 } 11362 if (!PackageHelper.isContainerMounted(newCacheId)) { 11363 Slog.w(TAG, "Mounting container " + newCacheId); 11364 newMountPath = PackageHelper.mountSdDir(newCacheId, 11365 getEncryptKey(), Process.SYSTEM_UID); 11366 } else { 11367 newMountPath = PackageHelper.getSdDir(newCacheId); 11368 } 11369 if (newMountPath == null) { 11370 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11371 return false; 11372 } 11373 Log.i(TAG, "Succesfully renamed " + cid + 11374 " to " + newCacheId + 11375 " at new path: " + newMountPath); 11376 cid = newCacheId; 11377 11378 final File beforeCodeFile = new File(packagePath); 11379 setMountPath(newMountPath); 11380 final File afterCodeFile = new File(packagePath); 11381 11382 // Reflect the rename in scanned details 11383 pkg.codePath = afterCodeFile.getAbsolutePath(); 11384 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11385 pkg.baseCodePath); 11386 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11387 pkg.splitCodePaths); 11388 11389 // Reflect the rename in app info 11390 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11391 pkg.applicationInfo.setCodePath(pkg.codePath); 11392 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11393 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11394 pkg.applicationInfo.setResourcePath(pkg.codePath); 11395 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11396 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11397 11398 return true; 11399 } 11400 11401 private void setMountPath(String mountPath) { 11402 final File mountFile = new File(mountPath); 11403 11404 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11405 if (monolithicFile.exists()) { 11406 packagePath = monolithicFile.getAbsolutePath(); 11407 if (isFwdLocked()) { 11408 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11409 } else { 11410 resourcePath = packagePath; 11411 } 11412 } else { 11413 packagePath = mountFile.getAbsolutePath(); 11414 resourcePath = packagePath; 11415 } 11416 } 11417 11418 int doPostInstall(int status, int uid) { 11419 if (status != PackageManager.INSTALL_SUCCEEDED) { 11420 cleanUp(); 11421 } else { 11422 final int groupOwner; 11423 final String protectedFile; 11424 if (isFwdLocked()) { 11425 groupOwner = UserHandle.getSharedAppGid(uid); 11426 protectedFile = RES_FILE_NAME; 11427 } else { 11428 groupOwner = -1; 11429 protectedFile = null; 11430 } 11431 11432 if (uid < Process.FIRST_APPLICATION_UID 11433 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11434 Slog.e(TAG, "Failed to finalize " + cid); 11435 PackageHelper.destroySdDir(cid); 11436 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11437 } 11438 11439 boolean mounted = PackageHelper.isContainerMounted(cid); 11440 if (!mounted) { 11441 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11442 } 11443 } 11444 return status; 11445 } 11446 11447 private void cleanUp() { 11448 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11449 11450 // Destroy secure container 11451 PackageHelper.destroySdDir(cid); 11452 } 11453 11454 private List<String> getAllCodePaths() { 11455 final File codeFile = new File(getCodePath()); 11456 if (codeFile != null && codeFile.exists()) { 11457 try { 11458 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11459 return pkg.getAllCodePaths(); 11460 } catch (PackageParserException e) { 11461 // Ignored; we tried our best 11462 } 11463 } 11464 return Collections.EMPTY_LIST; 11465 } 11466 11467 void cleanUpResourcesLI() { 11468 // Enumerate all code paths before deleting 11469 cleanUpResourcesLI(getAllCodePaths()); 11470 } 11471 11472 private void cleanUpResourcesLI(List<String> allCodePaths) { 11473 cleanUp(); 11474 removeDexFiles(allCodePaths, instructionSets); 11475 } 11476 11477 String getPackageName() { 11478 return getAsecPackageName(cid); 11479 } 11480 11481 boolean doPostDeleteLI(boolean delete) { 11482 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11483 final List<String> allCodePaths = getAllCodePaths(); 11484 boolean mounted = PackageHelper.isContainerMounted(cid); 11485 if (mounted) { 11486 // Unmount first 11487 if (PackageHelper.unMountSdDir(cid)) { 11488 mounted = false; 11489 } 11490 } 11491 if (!mounted && delete) { 11492 cleanUpResourcesLI(allCodePaths); 11493 } 11494 return !mounted; 11495 } 11496 11497 @Override 11498 int doPreCopy() { 11499 if (isFwdLocked()) { 11500 if (!PackageHelper.fixSdPermissions(cid, 11501 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11502 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11503 } 11504 } 11505 11506 return PackageManager.INSTALL_SUCCEEDED; 11507 } 11508 11509 @Override 11510 int doPostCopy(int uid) { 11511 if (isFwdLocked()) { 11512 if (uid < Process.FIRST_APPLICATION_UID 11513 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11514 RES_FILE_NAME)) { 11515 Slog.e(TAG, "Failed to finalize " + cid); 11516 PackageHelper.destroySdDir(cid); 11517 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11518 } 11519 } 11520 11521 return PackageManager.INSTALL_SUCCEEDED; 11522 } 11523 } 11524 11525 /** 11526 * Logic to handle movement of existing installed applications. 11527 */ 11528 class MoveInstallArgs extends InstallArgs { 11529 private File codeFile; 11530 private File resourceFile; 11531 11532 /** New install */ 11533 MoveInstallArgs(InstallParams params) { 11534 super(params.origin, params.move, params.observer, params.installFlags, 11535 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11536 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11537 params.grantedRuntimePermissions); 11538 } 11539 11540 int copyApk(IMediaContainerService imcs, boolean temp) { 11541 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11542 + move.fromUuid + " to " + move.toUuid); 11543 synchronized (mInstaller) { 11544 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11545 move.dataAppName, move.appId, move.seinfo) != 0) { 11546 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11547 } 11548 } 11549 11550 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11551 resourceFile = codeFile; 11552 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11553 11554 return PackageManager.INSTALL_SUCCEEDED; 11555 } 11556 11557 int doPreInstall(int status) { 11558 if (status != PackageManager.INSTALL_SUCCEEDED) { 11559 cleanUp(move.toUuid); 11560 } 11561 return status; 11562 } 11563 11564 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11565 if (status != PackageManager.INSTALL_SUCCEEDED) { 11566 cleanUp(move.toUuid); 11567 return false; 11568 } 11569 11570 // Reflect the move in app info 11571 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11572 pkg.applicationInfo.setCodePath(pkg.codePath); 11573 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11574 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11575 pkg.applicationInfo.setResourcePath(pkg.codePath); 11576 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11577 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11578 11579 return true; 11580 } 11581 11582 int doPostInstall(int status, int uid) { 11583 if (status == PackageManager.INSTALL_SUCCEEDED) { 11584 cleanUp(move.fromUuid); 11585 } else { 11586 cleanUp(move.toUuid); 11587 } 11588 return status; 11589 } 11590 11591 @Override 11592 String getCodePath() { 11593 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11594 } 11595 11596 @Override 11597 String getResourcePath() { 11598 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11599 } 11600 11601 private boolean cleanUp(String volumeUuid) { 11602 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11603 move.dataAppName); 11604 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11605 synchronized (mInstallLock) { 11606 // Clean up both app data and code 11607 removeDataDirsLI(volumeUuid, move.packageName); 11608 if (codeFile.isDirectory()) { 11609 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11610 } else { 11611 codeFile.delete(); 11612 } 11613 } 11614 return true; 11615 } 11616 11617 void cleanUpResourcesLI() { 11618 throw new UnsupportedOperationException(); 11619 } 11620 11621 boolean doPostDeleteLI(boolean delete) { 11622 throw new UnsupportedOperationException(); 11623 } 11624 } 11625 11626 static String getAsecPackageName(String packageCid) { 11627 int idx = packageCid.lastIndexOf("-"); 11628 if (idx == -1) { 11629 return packageCid; 11630 } 11631 return packageCid.substring(0, idx); 11632 } 11633 11634 // Utility method used to create code paths based on package name and available index. 11635 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11636 String idxStr = ""; 11637 int idx = 1; 11638 // Fall back to default value of idx=1 if prefix is not 11639 // part of oldCodePath 11640 if (oldCodePath != null) { 11641 String subStr = oldCodePath; 11642 // Drop the suffix right away 11643 if (suffix != null && subStr.endsWith(suffix)) { 11644 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11645 } 11646 // If oldCodePath already contains prefix find out the 11647 // ending index to either increment or decrement. 11648 int sidx = subStr.lastIndexOf(prefix); 11649 if (sidx != -1) { 11650 subStr = subStr.substring(sidx + prefix.length()); 11651 if (subStr != null) { 11652 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11653 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11654 } 11655 try { 11656 idx = Integer.parseInt(subStr); 11657 if (idx <= 1) { 11658 idx++; 11659 } else { 11660 idx--; 11661 } 11662 } catch(NumberFormatException e) { 11663 } 11664 } 11665 } 11666 } 11667 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11668 return prefix + idxStr; 11669 } 11670 11671 private File getNextCodePath(File targetDir, String packageName) { 11672 int suffix = 1; 11673 File result; 11674 do { 11675 result = new File(targetDir, packageName + "-" + suffix); 11676 suffix++; 11677 } while (result.exists()); 11678 return result; 11679 } 11680 11681 // Utility method that returns the relative package path with respect 11682 // to the installation directory. Like say for /data/data/com.test-1.apk 11683 // string com.test-1 is returned. 11684 static String deriveCodePathName(String codePath) { 11685 if (codePath == null) { 11686 return null; 11687 } 11688 final File codeFile = new File(codePath); 11689 final String name = codeFile.getName(); 11690 if (codeFile.isDirectory()) { 11691 return name; 11692 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11693 final int lastDot = name.lastIndexOf('.'); 11694 return name.substring(0, lastDot); 11695 } else { 11696 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11697 return null; 11698 } 11699 } 11700 11701 class PackageInstalledInfo { 11702 String name; 11703 int uid; 11704 // The set of users that originally had this package installed. 11705 int[] origUsers; 11706 // The set of users that now have this package installed. 11707 int[] newUsers; 11708 PackageParser.Package pkg; 11709 int returnCode; 11710 String returnMsg; 11711 PackageRemovedInfo removedInfo; 11712 11713 public void setError(int code, String msg) { 11714 returnCode = code; 11715 returnMsg = msg; 11716 Slog.w(TAG, msg); 11717 } 11718 11719 public void setError(String msg, PackageParserException e) { 11720 returnCode = e.error; 11721 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11722 Slog.w(TAG, msg, e); 11723 } 11724 11725 public void setError(String msg, PackageManagerException e) { 11726 returnCode = e.error; 11727 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11728 Slog.w(TAG, msg, e); 11729 } 11730 11731 // In some error cases we want to convey more info back to the observer 11732 String origPackage; 11733 String origPermission; 11734 } 11735 11736 /* 11737 * Install a non-existing package. 11738 */ 11739 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11740 UserHandle user, String installerPackageName, String volumeUuid, 11741 PackageInstalledInfo res) { 11742 // Remember this for later, in case we need to rollback this install 11743 String pkgName = pkg.packageName; 11744 11745 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11746 final boolean dataDirExists = Environment 11747 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11748 synchronized(mPackages) { 11749 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11750 // A package with the same name is already installed, though 11751 // it has been renamed to an older name. The package we 11752 // are trying to install should be installed as an update to 11753 // the existing one, but that has not been requested, so bail. 11754 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11755 + " without first uninstalling package running as " 11756 + mSettings.mRenamedPackages.get(pkgName)); 11757 return; 11758 } 11759 if (mPackages.containsKey(pkgName)) { 11760 // Don't allow installation over an existing package with the same name. 11761 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11762 + " without first uninstalling."); 11763 return; 11764 } 11765 } 11766 11767 try { 11768 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11769 System.currentTimeMillis(), user); 11770 11771 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11772 // delete the partially installed application. the data directory will have to be 11773 // restored if it was already existing 11774 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11775 // remove package from internal structures. Note that we want deletePackageX to 11776 // delete the package data and cache directories that it created in 11777 // scanPackageLocked, unless those directories existed before we even tried to 11778 // install. 11779 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11780 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11781 res.removedInfo, true); 11782 } 11783 11784 } catch (PackageManagerException e) { 11785 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11786 } 11787 } 11788 11789 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11790 // Can't rotate keys during boot or if sharedUser. 11791 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11792 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11793 return false; 11794 } 11795 // app is using upgradeKeySets; make sure all are valid 11796 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11797 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11798 for (int i = 0; i < upgradeKeySets.length; i++) { 11799 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11800 Slog.wtf(TAG, "Package " 11801 + (oldPs.name != null ? oldPs.name : "<null>") 11802 + " contains upgrade-key-set reference to unknown key-set: " 11803 + upgradeKeySets[i] 11804 + " reverting to signatures check."); 11805 return false; 11806 } 11807 } 11808 return true; 11809 } 11810 11811 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11812 // Upgrade keysets are being used. Determine if new package has a superset of the 11813 // required keys. 11814 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11815 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11816 for (int i = 0; i < upgradeKeySets.length; i++) { 11817 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11818 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11819 return true; 11820 } 11821 } 11822 return false; 11823 } 11824 11825 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11826 UserHandle user, String installerPackageName, String volumeUuid, 11827 PackageInstalledInfo res) { 11828 final PackageParser.Package oldPackage; 11829 final String pkgName = pkg.packageName; 11830 final int[] allUsers; 11831 final boolean[] perUserInstalled; 11832 11833 // First find the old package info and check signatures 11834 synchronized(mPackages) { 11835 oldPackage = mPackages.get(pkgName); 11836 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11837 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11838 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11839 if(!checkUpgradeKeySetLP(ps, pkg)) { 11840 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11841 "New package not signed by keys specified by upgrade-keysets: " 11842 + pkgName); 11843 return; 11844 } 11845 } else { 11846 // default to original signature matching 11847 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11848 != PackageManager.SIGNATURE_MATCH) { 11849 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11850 "New package has a different signature: " + pkgName); 11851 return; 11852 } 11853 } 11854 11855 // In case of rollback, remember per-user/profile install state 11856 allUsers = sUserManager.getUserIds(); 11857 perUserInstalled = new boolean[allUsers.length]; 11858 for (int i = 0; i < allUsers.length; i++) { 11859 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11860 } 11861 } 11862 11863 boolean sysPkg = (isSystemApp(oldPackage)); 11864 if (sysPkg) { 11865 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11866 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11867 } else { 11868 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11869 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11870 } 11871 } 11872 11873 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11874 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11875 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11876 String volumeUuid, PackageInstalledInfo res) { 11877 String pkgName = deletedPackage.packageName; 11878 boolean deletedPkg = true; 11879 boolean updatedSettings = false; 11880 11881 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11882 + deletedPackage); 11883 long origUpdateTime; 11884 if (pkg.mExtras != null) { 11885 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11886 } else { 11887 origUpdateTime = 0; 11888 } 11889 11890 // First delete the existing package while retaining the data directory 11891 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11892 res.removedInfo, true)) { 11893 // If the existing package wasn't successfully deleted 11894 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11895 deletedPkg = false; 11896 } else { 11897 // Successfully deleted the old package; proceed with replace. 11898 11899 // If deleted package lived in a container, give users a chance to 11900 // relinquish resources before killing. 11901 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11902 if (DEBUG_INSTALL) { 11903 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11904 } 11905 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11906 final ArrayList<String> pkgList = new ArrayList<String>(1); 11907 pkgList.add(deletedPackage.applicationInfo.packageName); 11908 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11909 } 11910 11911 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11912 try { 11913 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11914 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11915 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11916 perUserInstalled, res, user); 11917 updatedSettings = true; 11918 } catch (PackageManagerException e) { 11919 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11920 } 11921 } 11922 11923 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11924 // remove package from internal structures. Note that we want deletePackageX to 11925 // delete the package data and cache directories that it created in 11926 // scanPackageLocked, unless those directories existed before we even tried to 11927 // install. 11928 if(updatedSettings) { 11929 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11930 deletePackageLI( 11931 pkgName, null, true, allUsers, perUserInstalled, 11932 PackageManager.DELETE_KEEP_DATA, 11933 res.removedInfo, true); 11934 } 11935 // Since we failed to install the new package we need to restore the old 11936 // package that we deleted. 11937 if (deletedPkg) { 11938 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11939 File restoreFile = new File(deletedPackage.codePath); 11940 // Parse old package 11941 boolean oldExternal = isExternal(deletedPackage); 11942 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11943 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11944 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11945 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11946 try { 11947 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11948 } catch (PackageManagerException e) { 11949 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11950 + e.getMessage()); 11951 return; 11952 } 11953 // Restore of old package succeeded. Update permissions. 11954 // writer 11955 synchronized (mPackages) { 11956 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11957 UPDATE_PERMISSIONS_ALL); 11958 // can downgrade to reader 11959 mSettings.writeLPr(); 11960 } 11961 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11962 } 11963 } 11964 } 11965 11966 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11967 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11968 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11969 String volumeUuid, PackageInstalledInfo res) { 11970 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11971 + ", old=" + deletedPackage); 11972 boolean disabledSystem = false; 11973 boolean updatedSettings = false; 11974 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11975 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11976 != 0) { 11977 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11978 } 11979 String packageName = deletedPackage.packageName; 11980 if (packageName == null) { 11981 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11982 "Attempt to delete null packageName."); 11983 return; 11984 } 11985 PackageParser.Package oldPkg; 11986 PackageSetting oldPkgSetting; 11987 // reader 11988 synchronized (mPackages) { 11989 oldPkg = mPackages.get(packageName); 11990 oldPkgSetting = mSettings.mPackages.get(packageName); 11991 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 11992 (oldPkgSetting == null)) { 11993 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11994 "Couldn't find package:" + packageName + " information"); 11995 return; 11996 } 11997 } 11998 11999 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12000 12001 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12002 res.removedInfo.removedPackage = packageName; 12003 // Remove existing system package 12004 removePackageLI(oldPkgSetting, true); 12005 // writer 12006 synchronized (mPackages) { 12007 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12008 if (!disabledSystem && deletedPackage != null) { 12009 // We didn't need to disable the .apk as a current system package, 12010 // which means we are replacing another update that is already 12011 // installed. We need to make sure to delete the older one's .apk. 12012 res.removedInfo.args = createInstallArgsForExisting(0, 12013 deletedPackage.applicationInfo.getCodePath(), 12014 deletedPackage.applicationInfo.getResourcePath(), 12015 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12016 } else { 12017 res.removedInfo.args = null; 12018 } 12019 } 12020 12021 // Successfully disabled the old package. Now proceed with re-installation 12022 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12023 12024 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12025 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12026 12027 PackageParser.Package newPackage = null; 12028 try { 12029 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 12030 if (newPackage.mExtras != null) { 12031 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12032 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12033 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12034 12035 // is the update attempting to change shared user? that isn't going to work... 12036 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12037 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12038 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12039 + " to " + newPkgSetting.sharedUser); 12040 updatedSettings = true; 12041 } 12042 } 12043 12044 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12045 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12046 perUserInstalled, res, user); 12047 updatedSettings = true; 12048 } 12049 12050 } catch (PackageManagerException e) { 12051 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12052 } 12053 12054 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12055 // Re installation failed. Restore old information 12056 // Remove new pkg information 12057 if (newPackage != null) { 12058 removeInstalledPackageLI(newPackage, true); 12059 } 12060 // Add back the old system package 12061 try { 12062 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12063 } catch (PackageManagerException e) { 12064 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12065 } 12066 // Restore the old system information in Settings 12067 synchronized (mPackages) { 12068 if (disabledSystem) { 12069 mSettings.enableSystemPackageLPw(packageName); 12070 } 12071 if (updatedSettings) { 12072 mSettings.setInstallerPackageName(packageName, 12073 oldPkgSetting.installerPackageName); 12074 } 12075 mSettings.writeLPr(); 12076 } 12077 } 12078 } 12079 12080 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12081 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12082 UserHandle user) { 12083 String pkgName = newPackage.packageName; 12084 synchronized (mPackages) { 12085 //write settings. the installStatus will be incomplete at this stage. 12086 //note that the new package setting would have already been 12087 //added to mPackages. It hasn't been persisted yet. 12088 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12089 mSettings.writeLPr(); 12090 } 12091 12092 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12093 12094 synchronized (mPackages) { 12095 updatePermissionsLPw(newPackage.packageName, newPackage, 12096 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12097 ? UPDATE_PERMISSIONS_ALL : 0)); 12098 // For system-bundled packages, we assume that installing an upgraded version 12099 // of the package implies that the user actually wants to run that new code, 12100 // so we enable the package. 12101 PackageSetting ps = mSettings.mPackages.get(pkgName); 12102 if (ps != null) { 12103 if (isSystemApp(newPackage)) { 12104 // NB: implicit assumption that system package upgrades apply to all users 12105 if (DEBUG_INSTALL) { 12106 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12107 } 12108 if (res.origUsers != null) { 12109 for (int userHandle : res.origUsers) { 12110 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12111 userHandle, installerPackageName); 12112 } 12113 } 12114 // Also convey the prior install/uninstall state 12115 if (allUsers != null && perUserInstalled != null) { 12116 for (int i = 0; i < allUsers.length; i++) { 12117 if (DEBUG_INSTALL) { 12118 Slog.d(TAG, " user " + allUsers[i] 12119 + " => " + perUserInstalled[i]); 12120 } 12121 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12122 } 12123 // these install state changes will be persisted in the 12124 // upcoming call to mSettings.writeLPr(). 12125 } 12126 } 12127 // It's implied that when a user requests installation, they want the app to be 12128 // installed and enabled. 12129 int userId = user.getIdentifier(); 12130 if (userId != UserHandle.USER_ALL) { 12131 ps.setInstalled(true, userId); 12132 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12133 } 12134 } 12135 res.name = pkgName; 12136 res.uid = newPackage.applicationInfo.uid; 12137 res.pkg = newPackage; 12138 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12139 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12140 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12141 //to update install status 12142 mSettings.writeLPr(); 12143 } 12144 } 12145 12146 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12147 final int installFlags = args.installFlags; 12148 final String installerPackageName = args.installerPackageName; 12149 final String volumeUuid = args.volumeUuid; 12150 final File tmpPackageFile = new File(args.getCodePath()); 12151 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12152 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12153 || (args.volumeUuid != null)); 12154 boolean replace = false; 12155 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12156 if (args.move != null) { 12157 // moving a complete application; perfom an initial scan on the new install location 12158 scanFlags |= SCAN_INITIAL; 12159 } 12160 // Result object to be returned 12161 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12162 12163 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12164 // Retrieve PackageSettings and parse package 12165 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12166 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12167 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12168 PackageParser pp = new PackageParser(); 12169 pp.setSeparateProcesses(mSeparateProcesses); 12170 pp.setDisplayMetrics(mMetrics); 12171 12172 final PackageParser.Package pkg; 12173 try { 12174 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12175 } catch (PackageParserException e) { 12176 res.setError("Failed parse during installPackageLI", e); 12177 return; 12178 } 12179 12180 // Mark that we have an install time CPU ABI override. 12181 pkg.cpuAbiOverride = args.abiOverride; 12182 12183 String pkgName = res.name = pkg.packageName; 12184 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12185 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12186 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12187 return; 12188 } 12189 } 12190 12191 try { 12192 pp.collectCertificates(pkg, parseFlags); 12193 pp.collectManifestDigest(pkg); 12194 } catch (PackageParserException e) { 12195 res.setError("Failed collect during installPackageLI", e); 12196 return; 12197 } 12198 12199 /* If the installer passed in a manifest digest, compare it now. */ 12200 if (args.manifestDigest != null) { 12201 if (DEBUG_INSTALL) { 12202 final String parsedManifest = pkg.manifestDigest == null ? "null" 12203 : pkg.manifestDigest.toString(); 12204 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12205 + parsedManifest); 12206 } 12207 12208 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12209 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12210 return; 12211 } 12212 } else if (DEBUG_INSTALL) { 12213 final String parsedManifest = pkg.manifestDigest == null 12214 ? "null" : pkg.manifestDigest.toString(); 12215 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12216 } 12217 12218 // Get rid of all references to package scan path via parser. 12219 pp = null; 12220 String oldCodePath = null; 12221 boolean systemApp = false; 12222 synchronized (mPackages) { 12223 // Check if installing already existing package 12224 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12225 String oldName = mSettings.mRenamedPackages.get(pkgName); 12226 if (pkg.mOriginalPackages != null 12227 && pkg.mOriginalPackages.contains(oldName) 12228 && mPackages.containsKey(oldName)) { 12229 // This package is derived from an original package, 12230 // and this device has been updating from that original 12231 // name. We must continue using the original name, so 12232 // rename the new package here. 12233 pkg.setPackageName(oldName); 12234 pkgName = pkg.packageName; 12235 replace = true; 12236 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12237 + oldName + " pkgName=" + pkgName); 12238 } else if (mPackages.containsKey(pkgName)) { 12239 // This package, under its official name, already exists 12240 // on the device; we should replace it. 12241 replace = true; 12242 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12243 } 12244 12245 // Prevent apps opting out from runtime permissions 12246 if (replace) { 12247 PackageParser.Package oldPackage = mPackages.get(pkgName); 12248 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12249 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12250 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12251 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12252 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12253 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12254 + " doesn't support runtime permissions but the old" 12255 + " target SDK " + oldTargetSdk + " does."); 12256 return; 12257 } 12258 } 12259 } 12260 12261 PackageSetting ps = mSettings.mPackages.get(pkgName); 12262 if (ps != null) { 12263 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12264 12265 // Quick sanity check that we're signed correctly if updating; 12266 // we'll check this again later when scanning, but we want to 12267 // bail early here before tripping over redefined permissions. 12268 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12269 if (!checkUpgradeKeySetLP(ps, pkg)) { 12270 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12271 + pkg.packageName + " upgrade keys do not match the " 12272 + "previously installed version"); 12273 return; 12274 } 12275 } else { 12276 try { 12277 verifySignaturesLP(ps, pkg); 12278 } catch (PackageManagerException e) { 12279 res.setError(e.error, e.getMessage()); 12280 return; 12281 } 12282 } 12283 12284 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12285 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12286 systemApp = (ps.pkg.applicationInfo.flags & 12287 ApplicationInfo.FLAG_SYSTEM) != 0; 12288 } 12289 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12290 } 12291 12292 // Check whether the newly-scanned package wants to define an already-defined perm 12293 int N = pkg.permissions.size(); 12294 for (int i = N-1; i >= 0; i--) { 12295 PackageParser.Permission perm = pkg.permissions.get(i); 12296 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12297 if (bp != null) { 12298 // If the defining package is signed with our cert, it's okay. This 12299 // also includes the "updating the same package" case, of course. 12300 // "updating same package" could also involve key-rotation. 12301 final boolean sigsOk; 12302 if (bp.sourcePackage.equals(pkg.packageName) 12303 && (bp.packageSetting instanceof PackageSetting) 12304 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12305 scanFlags))) { 12306 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12307 } else { 12308 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12309 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12310 } 12311 if (!sigsOk) { 12312 // If the owning package is the system itself, we log but allow 12313 // install to proceed; we fail the install on all other permission 12314 // redefinitions. 12315 if (!bp.sourcePackage.equals("android")) { 12316 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12317 + pkg.packageName + " attempting to redeclare permission " 12318 + perm.info.name + " already owned by " + bp.sourcePackage); 12319 res.origPermission = perm.info.name; 12320 res.origPackage = bp.sourcePackage; 12321 return; 12322 } else { 12323 Slog.w(TAG, "Package " + pkg.packageName 12324 + " attempting to redeclare system permission " 12325 + perm.info.name + "; ignoring new declaration"); 12326 pkg.permissions.remove(i); 12327 } 12328 } 12329 } 12330 } 12331 12332 } 12333 12334 if (systemApp && onExternal) { 12335 // Disable updates to system apps on sdcard 12336 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12337 "Cannot install updates to system apps on sdcard"); 12338 return; 12339 } 12340 12341 if (args.move != null) { 12342 // We did an in-place move, so dex is ready to roll 12343 scanFlags |= SCAN_NO_DEX; 12344 scanFlags |= SCAN_MOVE; 12345 12346 synchronized (mPackages) { 12347 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12348 if (ps == null) { 12349 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12350 "Missing settings for moved package " + pkgName); 12351 } 12352 12353 // We moved the entire application as-is, so bring over the 12354 // previously derived ABI information. 12355 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12356 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12357 } 12358 12359 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12360 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12361 scanFlags |= SCAN_NO_DEX; 12362 12363 try { 12364 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12365 true /* extract libs */); 12366 } catch (PackageManagerException pme) { 12367 Slog.e(TAG, "Error deriving application ABI", pme); 12368 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12369 return; 12370 } 12371 12372 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12373 int result = mPackageDexOptimizer 12374 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12375 false /* defer */, false /* inclDependencies */); 12376 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12377 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12378 return; 12379 } 12380 } 12381 12382 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12383 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12384 return; 12385 } 12386 12387 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12388 12389 if (replace) { 12390 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12391 installerPackageName, volumeUuid, res); 12392 } else { 12393 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12394 args.user, installerPackageName, volumeUuid, res); 12395 } 12396 synchronized (mPackages) { 12397 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12398 if (ps != null) { 12399 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12400 } 12401 } 12402 } 12403 12404 private void startIntentFilterVerifications(int userId, boolean replacing, 12405 PackageParser.Package pkg) { 12406 if (mIntentFilterVerifierComponent == null) { 12407 Slog.w(TAG, "No IntentFilter verification will not be done as " 12408 + "there is no IntentFilterVerifier available!"); 12409 return; 12410 } 12411 12412 final int verifierUid = getPackageUid( 12413 mIntentFilterVerifierComponent.getPackageName(), 12414 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12415 12416 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12417 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12418 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12419 mHandler.sendMessage(msg); 12420 } 12421 12422 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12423 PackageParser.Package pkg) { 12424 int size = pkg.activities.size(); 12425 if (size == 0) { 12426 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12427 "No activity, so no need to verify any IntentFilter!"); 12428 return; 12429 } 12430 12431 final boolean hasDomainURLs = hasDomainURLs(pkg); 12432 if (!hasDomainURLs) { 12433 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12434 "No domain URLs, so no need to verify any IntentFilter!"); 12435 return; 12436 } 12437 12438 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12439 + " if any IntentFilter from the " + size 12440 + " Activities needs verification ..."); 12441 12442 int count = 0; 12443 final String packageName = pkg.packageName; 12444 12445 synchronized (mPackages) { 12446 // If this is a new install and we see that we've already run verification for this 12447 // package, we have nothing to do: it means the state was restored from backup. 12448 if (!replacing) { 12449 IntentFilterVerificationInfo ivi = 12450 mSettings.getIntentFilterVerificationLPr(packageName); 12451 if (ivi != null) { 12452 if (DEBUG_DOMAIN_VERIFICATION) { 12453 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12454 + ivi.getStatusString()); 12455 } 12456 return; 12457 } 12458 } 12459 12460 // If any filters need to be verified, then all need to be. 12461 boolean needToVerify = false; 12462 for (PackageParser.Activity a : pkg.activities) { 12463 for (ActivityIntentInfo filter : a.intents) { 12464 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12465 if (DEBUG_DOMAIN_VERIFICATION) { 12466 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12467 } 12468 needToVerify = true; 12469 break; 12470 } 12471 } 12472 } 12473 12474 if (needToVerify) { 12475 final int verificationId = mIntentFilterVerificationToken++; 12476 for (PackageParser.Activity a : pkg.activities) { 12477 for (ActivityIntentInfo filter : a.intents) { 12478 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12479 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12480 "Verification needed for IntentFilter:" + filter.toString()); 12481 mIntentFilterVerifier.addOneIntentFilterVerification( 12482 verifierUid, userId, verificationId, filter, packageName); 12483 count++; 12484 } 12485 } 12486 } 12487 } 12488 } 12489 12490 if (count > 0) { 12491 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12492 + " IntentFilter verification" + (count > 1 ? "s" : "") 12493 + " for userId:" + userId); 12494 mIntentFilterVerifier.startVerifications(userId); 12495 } else { 12496 if (DEBUG_DOMAIN_VERIFICATION) { 12497 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12498 } 12499 } 12500 } 12501 12502 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12503 final ComponentName cn = filter.activity.getComponentName(); 12504 final String packageName = cn.getPackageName(); 12505 12506 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12507 packageName); 12508 if (ivi == null) { 12509 return true; 12510 } 12511 int status = ivi.getStatus(); 12512 switch (status) { 12513 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12514 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12515 return true; 12516 12517 default: 12518 // Nothing to do 12519 return false; 12520 } 12521 } 12522 12523 private static boolean isMultiArch(PackageSetting ps) { 12524 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12525 } 12526 12527 private static boolean isMultiArch(ApplicationInfo info) { 12528 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12529 } 12530 12531 private static boolean isExternal(PackageParser.Package pkg) { 12532 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12533 } 12534 12535 private static boolean isExternal(PackageSetting ps) { 12536 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12537 } 12538 12539 private static boolean isExternal(ApplicationInfo info) { 12540 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12541 } 12542 12543 private static boolean isSystemApp(PackageParser.Package pkg) { 12544 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12545 } 12546 12547 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12548 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12549 } 12550 12551 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12552 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12553 } 12554 12555 private static boolean isSystemApp(PackageSetting ps) { 12556 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12557 } 12558 12559 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12560 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12561 } 12562 12563 private int packageFlagsToInstallFlags(PackageSetting ps) { 12564 int installFlags = 0; 12565 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12566 // This existing package was an external ASEC install when we have 12567 // the external flag without a UUID 12568 installFlags |= PackageManager.INSTALL_EXTERNAL; 12569 } 12570 if (ps.isForwardLocked()) { 12571 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12572 } 12573 return installFlags; 12574 } 12575 12576 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12577 if (isExternal(pkg)) { 12578 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12579 return mSettings.getExternalVersion(); 12580 } else { 12581 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12582 } 12583 } else { 12584 return mSettings.getInternalVersion(); 12585 } 12586 } 12587 12588 private void deleteTempPackageFiles() { 12589 final FilenameFilter filter = new FilenameFilter() { 12590 public boolean accept(File dir, String name) { 12591 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12592 } 12593 }; 12594 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12595 file.delete(); 12596 } 12597 } 12598 12599 @Override 12600 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12601 int flags) { 12602 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12603 flags); 12604 } 12605 12606 @Override 12607 public void deletePackage(final String packageName, 12608 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12609 mContext.enforceCallingOrSelfPermission( 12610 android.Manifest.permission.DELETE_PACKAGES, null); 12611 Preconditions.checkNotNull(packageName); 12612 Preconditions.checkNotNull(observer); 12613 final int uid = Binder.getCallingUid(); 12614 if (UserHandle.getUserId(uid) != userId) { 12615 mContext.enforceCallingPermission( 12616 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12617 "deletePackage for user " + userId); 12618 } 12619 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12620 try { 12621 observer.onPackageDeleted(packageName, 12622 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12623 } catch (RemoteException re) { 12624 } 12625 return; 12626 } 12627 12628 boolean uninstallBlocked = false; 12629 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12630 int[] users = sUserManager.getUserIds(); 12631 for (int i = 0; i < users.length; ++i) { 12632 if (getBlockUninstallForUser(packageName, users[i])) { 12633 uninstallBlocked = true; 12634 break; 12635 } 12636 } 12637 } else { 12638 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12639 } 12640 if (uninstallBlocked) { 12641 try { 12642 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12643 null); 12644 } catch (RemoteException re) { 12645 } 12646 return; 12647 } 12648 12649 if (DEBUG_REMOVE) { 12650 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12651 } 12652 // Queue up an async operation since the package deletion may take a little while. 12653 mHandler.post(new Runnable() { 12654 public void run() { 12655 mHandler.removeCallbacks(this); 12656 final int returnCode = deletePackageX(packageName, userId, flags); 12657 if (observer != null) { 12658 try { 12659 observer.onPackageDeleted(packageName, returnCode, null); 12660 } catch (RemoteException e) { 12661 Log.i(TAG, "Observer no longer exists."); 12662 } //end catch 12663 } //end if 12664 } //end run 12665 }); 12666 } 12667 12668 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12669 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12670 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12671 try { 12672 if (dpm != null) { 12673 if (dpm.isDeviceOwner(packageName)) { 12674 return true; 12675 } 12676 int[] users; 12677 if (userId == UserHandle.USER_ALL) { 12678 users = sUserManager.getUserIds(); 12679 } else { 12680 users = new int[]{userId}; 12681 } 12682 for (int i = 0; i < users.length; ++i) { 12683 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12684 return true; 12685 } 12686 } 12687 } 12688 } catch (RemoteException e) { 12689 } 12690 return false; 12691 } 12692 12693 /** 12694 * This method is an internal method that could be get invoked either 12695 * to delete an installed package or to clean up a failed installation. 12696 * After deleting an installed package, a broadcast is sent to notify any 12697 * listeners that the package has been installed. For cleaning up a failed 12698 * installation, the broadcast is not necessary since the package's 12699 * installation wouldn't have sent the initial broadcast either 12700 * The key steps in deleting a package are 12701 * deleting the package information in internal structures like mPackages, 12702 * deleting the packages base directories through installd 12703 * updating mSettings to reflect current status 12704 * persisting settings for later use 12705 * sending a broadcast if necessary 12706 */ 12707 private int deletePackageX(String packageName, int userId, int flags) { 12708 final PackageRemovedInfo info = new PackageRemovedInfo(); 12709 final boolean res; 12710 12711 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12712 ? UserHandle.ALL : new UserHandle(userId); 12713 12714 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12715 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12716 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12717 } 12718 12719 boolean removedForAllUsers = false; 12720 boolean systemUpdate = false; 12721 12722 // for the uninstall-updates case and restricted profiles, remember the per- 12723 // userhandle installed state 12724 int[] allUsers; 12725 boolean[] perUserInstalled; 12726 synchronized (mPackages) { 12727 PackageSetting ps = mSettings.mPackages.get(packageName); 12728 allUsers = sUserManager.getUserIds(); 12729 perUserInstalled = new boolean[allUsers.length]; 12730 for (int i = 0; i < allUsers.length; i++) { 12731 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12732 } 12733 } 12734 12735 synchronized (mInstallLock) { 12736 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12737 res = deletePackageLI(packageName, removeForUser, 12738 true, allUsers, perUserInstalled, 12739 flags | REMOVE_CHATTY, info, true); 12740 systemUpdate = info.isRemovedPackageSystemUpdate; 12741 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12742 removedForAllUsers = true; 12743 } 12744 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12745 + " removedForAllUsers=" + removedForAllUsers); 12746 } 12747 12748 if (res) { 12749 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12750 12751 // If the removed package was a system update, the old system package 12752 // was re-enabled; we need to broadcast this information 12753 if (systemUpdate) { 12754 Bundle extras = new Bundle(1); 12755 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12756 ? info.removedAppId : info.uid); 12757 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12758 12759 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12760 extras, null, null, null); 12761 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12762 extras, null, null, null); 12763 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12764 null, packageName, null, null); 12765 } 12766 } 12767 // Force a gc here. 12768 Runtime.getRuntime().gc(); 12769 // Delete the resources here after sending the broadcast to let 12770 // other processes clean up before deleting resources. 12771 if (info.args != null) { 12772 synchronized (mInstallLock) { 12773 info.args.doPostDeleteLI(true); 12774 } 12775 } 12776 12777 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12778 } 12779 12780 class PackageRemovedInfo { 12781 String removedPackage; 12782 int uid = -1; 12783 int removedAppId = -1; 12784 int[] removedUsers = null; 12785 boolean isRemovedPackageSystemUpdate = false; 12786 // Clean up resources deleted packages. 12787 InstallArgs args = null; 12788 12789 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12790 Bundle extras = new Bundle(1); 12791 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12792 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12793 if (replacing) { 12794 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12795 } 12796 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12797 if (removedPackage != null) { 12798 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12799 extras, null, null, removedUsers); 12800 if (fullRemove && !replacing) { 12801 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12802 extras, null, null, removedUsers); 12803 } 12804 } 12805 if (removedAppId >= 0) { 12806 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12807 removedUsers); 12808 } 12809 } 12810 } 12811 12812 /* 12813 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12814 * flag is not set, the data directory is removed as well. 12815 * make sure this flag is set for partially installed apps. If not its meaningless to 12816 * delete a partially installed application. 12817 */ 12818 private void removePackageDataLI(PackageSetting ps, 12819 int[] allUserHandles, boolean[] perUserInstalled, 12820 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12821 String packageName = ps.name; 12822 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12823 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12824 // Retrieve object to delete permissions for shared user later on 12825 final PackageSetting deletedPs; 12826 // reader 12827 synchronized (mPackages) { 12828 deletedPs = mSettings.mPackages.get(packageName); 12829 if (outInfo != null) { 12830 outInfo.removedPackage = packageName; 12831 outInfo.removedUsers = deletedPs != null 12832 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12833 : null; 12834 } 12835 } 12836 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12837 removeDataDirsLI(ps.volumeUuid, packageName); 12838 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12839 } 12840 // writer 12841 synchronized (mPackages) { 12842 if (deletedPs != null) { 12843 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12844 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12845 clearDefaultBrowserIfNeeded(packageName); 12846 if (outInfo != null) { 12847 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12848 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12849 } 12850 updatePermissionsLPw(deletedPs.name, null, 0); 12851 if (deletedPs.sharedUser != null) { 12852 // Remove permissions associated with package. Since runtime 12853 // permissions are per user we have to kill the removed package 12854 // or packages running under the shared user of the removed 12855 // package if revoking the permissions requested only by the removed 12856 // package is successful and this causes a change in gids. 12857 for (int userId : UserManagerService.getInstance().getUserIds()) { 12858 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12859 userId); 12860 if (userIdToKill == UserHandle.USER_ALL 12861 || userIdToKill >= UserHandle.USER_OWNER) { 12862 // If gids changed for this user, kill all affected packages. 12863 mHandler.post(new Runnable() { 12864 @Override 12865 public void run() { 12866 // This has to happen with no lock held. 12867 killApplication(deletedPs.name, deletedPs.appId, 12868 KILL_APP_REASON_GIDS_CHANGED); 12869 } 12870 }); 12871 break; 12872 } 12873 } 12874 } 12875 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12876 } 12877 // make sure to preserve per-user disabled state if this removal was just 12878 // a downgrade of a system app to the factory package 12879 if (allUserHandles != null && perUserInstalled != null) { 12880 if (DEBUG_REMOVE) { 12881 Slog.d(TAG, "Propagating install state across downgrade"); 12882 } 12883 for (int i = 0; i < allUserHandles.length; i++) { 12884 if (DEBUG_REMOVE) { 12885 Slog.d(TAG, " user " + allUserHandles[i] 12886 + " => " + perUserInstalled[i]); 12887 } 12888 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12889 } 12890 } 12891 } 12892 // can downgrade to reader 12893 if (writeSettings) { 12894 // Save settings now 12895 mSettings.writeLPr(); 12896 } 12897 } 12898 if (outInfo != null) { 12899 // A user ID was deleted here. Go through all users and remove it 12900 // from KeyStore. 12901 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12902 } 12903 } 12904 12905 static boolean locationIsPrivileged(File path) { 12906 try { 12907 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12908 .getCanonicalPath(); 12909 return path.getCanonicalPath().startsWith(privilegedAppDir); 12910 } catch (IOException e) { 12911 Slog.e(TAG, "Unable to access code path " + path); 12912 } 12913 return false; 12914 } 12915 12916 /* 12917 * Tries to delete system package. 12918 */ 12919 private boolean deleteSystemPackageLI(PackageSetting newPs, 12920 int[] allUserHandles, boolean[] perUserInstalled, 12921 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12922 final boolean applyUserRestrictions 12923 = (allUserHandles != null) && (perUserInstalled != null); 12924 PackageSetting disabledPs = null; 12925 // Confirm if the system package has been updated 12926 // An updated system app can be deleted. This will also have to restore 12927 // the system pkg from system partition 12928 // reader 12929 synchronized (mPackages) { 12930 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12931 } 12932 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12933 + " disabledPs=" + disabledPs); 12934 if (disabledPs == null) { 12935 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12936 return false; 12937 } else if (DEBUG_REMOVE) { 12938 Slog.d(TAG, "Deleting system pkg from data partition"); 12939 } 12940 if (DEBUG_REMOVE) { 12941 if (applyUserRestrictions) { 12942 Slog.d(TAG, "Remembering install states:"); 12943 for (int i = 0; i < allUserHandles.length; i++) { 12944 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12945 } 12946 } 12947 } 12948 // Delete the updated package 12949 outInfo.isRemovedPackageSystemUpdate = true; 12950 if (disabledPs.versionCode < newPs.versionCode) { 12951 // Delete data for downgrades 12952 flags &= ~PackageManager.DELETE_KEEP_DATA; 12953 } else { 12954 // Preserve data by setting flag 12955 flags |= PackageManager.DELETE_KEEP_DATA; 12956 } 12957 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 12958 allUserHandles, perUserInstalled, outInfo, writeSettings); 12959 if (!ret) { 12960 return false; 12961 } 12962 // writer 12963 synchronized (mPackages) { 12964 // Reinstate the old system package 12965 mSettings.enableSystemPackageLPw(newPs.name); 12966 // Remove any native libraries from the upgraded package. 12967 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 12968 } 12969 // Install the system package 12970 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 12971 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 12972 if (locationIsPrivileged(disabledPs.codePath)) { 12973 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12974 } 12975 12976 final PackageParser.Package newPkg; 12977 try { 12978 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 12979 } catch (PackageManagerException e) { 12980 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 12981 return false; 12982 } 12983 12984 // writer 12985 synchronized (mPackages) { 12986 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 12987 12988 // Propagate the permissions state as we do not want to drop on the floor 12989 // runtime permissions. The update permissions method below will take 12990 // care of removing obsolete permissions and grant install permissions. 12991 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 12992 updatePermissionsLPw(newPkg.packageName, newPkg, 12993 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 12994 12995 if (applyUserRestrictions) { 12996 if (DEBUG_REMOVE) { 12997 Slog.d(TAG, "Propagating install state across reinstall"); 12998 } 12999 for (int i = 0; i < allUserHandles.length; i++) { 13000 if (DEBUG_REMOVE) { 13001 Slog.d(TAG, " user " + allUserHandles[i] 13002 + " => " + perUserInstalled[i]); 13003 } 13004 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13005 13006 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13007 } 13008 // Regardless of writeSettings we need to ensure that this restriction 13009 // state propagation is persisted 13010 mSettings.writeAllUsersPackageRestrictionsLPr(); 13011 } 13012 // can downgrade to reader here 13013 if (writeSettings) { 13014 mSettings.writeLPr(); 13015 } 13016 } 13017 return true; 13018 } 13019 13020 private boolean deleteInstalledPackageLI(PackageSetting ps, 13021 boolean deleteCodeAndResources, int flags, 13022 int[] allUserHandles, boolean[] perUserInstalled, 13023 PackageRemovedInfo outInfo, boolean writeSettings) { 13024 if (outInfo != null) { 13025 outInfo.uid = ps.appId; 13026 } 13027 13028 // Delete package data from internal structures and also remove data if flag is set 13029 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13030 13031 // Delete application code and resources 13032 if (deleteCodeAndResources && (outInfo != null)) { 13033 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13034 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13035 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13036 } 13037 return true; 13038 } 13039 13040 @Override 13041 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13042 int userId) { 13043 mContext.enforceCallingOrSelfPermission( 13044 android.Manifest.permission.DELETE_PACKAGES, null); 13045 synchronized (mPackages) { 13046 PackageSetting ps = mSettings.mPackages.get(packageName); 13047 if (ps == null) { 13048 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13049 return false; 13050 } 13051 if (!ps.getInstalled(userId)) { 13052 // Can't block uninstall for an app that is not installed or enabled. 13053 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13054 return false; 13055 } 13056 ps.setBlockUninstall(blockUninstall, userId); 13057 mSettings.writePackageRestrictionsLPr(userId); 13058 } 13059 return true; 13060 } 13061 13062 @Override 13063 public boolean getBlockUninstallForUser(String packageName, int userId) { 13064 synchronized (mPackages) { 13065 PackageSetting ps = mSettings.mPackages.get(packageName); 13066 if (ps == null) { 13067 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13068 return false; 13069 } 13070 return ps.getBlockUninstall(userId); 13071 } 13072 } 13073 13074 /* 13075 * This method handles package deletion in general 13076 */ 13077 private boolean deletePackageLI(String packageName, UserHandle user, 13078 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13079 int flags, PackageRemovedInfo outInfo, 13080 boolean writeSettings) { 13081 if (packageName == null) { 13082 Slog.w(TAG, "Attempt to delete null packageName."); 13083 return false; 13084 } 13085 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13086 PackageSetting ps; 13087 boolean dataOnly = false; 13088 int removeUser = -1; 13089 int appId = -1; 13090 synchronized (mPackages) { 13091 ps = mSettings.mPackages.get(packageName); 13092 if (ps == null) { 13093 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13094 return false; 13095 } 13096 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13097 && user.getIdentifier() != UserHandle.USER_ALL) { 13098 // The caller is asking that the package only be deleted for a single 13099 // user. To do this, we just mark its uninstalled state and delete 13100 // its data. If this is a system app, we only allow this to happen if 13101 // they have set the special DELETE_SYSTEM_APP which requests different 13102 // semantics than normal for uninstalling system apps. 13103 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13104 final int userId = user.getIdentifier(); 13105 ps.setUserState(userId, 13106 COMPONENT_ENABLED_STATE_DEFAULT, 13107 false, //installed 13108 true, //stopped 13109 true, //notLaunched 13110 false, //hidden 13111 null, null, null, 13112 false, // blockUninstall 13113 ps.readUserState(userId).domainVerificationStatus, 0); 13114 if (!isSystemApp(ps)) { 13115 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13116 // Other user still have this package installed, so all 13117 // we need to do is clear this user's data and save that 13118 // it is uninstalled. 13119 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13120 removeUser = user.getIdentifier(); 13121 appId = ps.appId; 13122 scheduleWritePackageRestrictionsLocked(removeUser); 13123 } else { 13124 // We need to set it back to 'installed' so the uninstall 13125 // broadcasts will be sent correctly. 13126 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13127 ps.setInstalled(true, user.getIdentifier()); 13128 } 13129 } else { 13130 // This is a system app, so we assume that the 13131 // other users still have this package installed, so all 13132 // we need to do is clear this user's data and save that 13133 // it is uninstalled. 13134 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13135 removeUser = user.getIdentifier(); 13136 appId = ps.appId; 13137 scheduleWritePackageRestrictionsLocked(removeUser); 13138 } 13139 } 13140 } 13141 13142 if (removeUser >= 0) { 13143 // From above, we determined that we are deleting this only 13144 // for a single user. Continue the work here. 13145 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13146 if (outInfo != null) { 13147 outInfo.removedPackage = packageName; 13148 outInfo.removedAppId = appId; 13149 outInfo.removedUsers = new int[] {removeUser}; 13150 } 13151 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13152 removeKeystoreDataIfNeeded(removeUser, appId); 13153 schedulePackageCleaning(packageName, removeUser, false); 13154 synchronized (mPackages) { 13155 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13156 scheduleWritePackageRestrictionsLocked(removeUser); 13157 } 13158 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13159 } 13160 return true; 13161 } 13162 13163 if (dataOnly) { 13164 // Delete application data first 13165 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13166 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13167 return true; 13168 } 13169 13170 boolean ret = false; 13171 if (isSystemApp(ps)) { 13172 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13173 // When an updated system application is deleted we delete the existing resources as well and 13174 // fall back to existing code in system partition 13175 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13176 flags, outInfo, writeSettings); 13177 } else { 13178 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13179 // Kill application pre-emptively especially for apps on sd. 13180 killApplication(packageName, ps.appId, "uninstall pkg"); 13181 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13182 allUserHandles, perUserInstalled, 13183 outInfo, writeSettings); 13184 } 13185 13186 return ret; 13187 } 13188 13189 private final class ClearStorageConnection implements ServiceConnection { 13190 IMediaContainerService mContainerService; 13191 13192 @Override 13193 public void onServiceConnected(ComponentName name, IBinder service) { 13194 synchronized (this) { 13195 mContainerService = IMediaContainerService.Stub.asInterface(service); 13196 notifyAll(); 13197 } 13198 } 13199 13200 @Override 13201 public void onServiceDisconnected(ComponentName name) { 13202 } 13203 } 13204 13205 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13206 final boolean mounted; 13207 if (Environment.isExternalStorageEmulated()) { 13208 mounted = true; 13209 } else { 13210 final String status = Environment.getExternalStorageState(); 13211 13212 mounted = status.equals(Environment.MEDIA_MOUNTED) 13213 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13214 } 13215 13216 if (!mounted) { 13217 return; 13218 } 13219 13220 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13221 int[] users; 13222 if (userId == UserHandle.USER_ALL) { 13223 users = sUserManager.getUserIds(); 13224 } else { 13225 users = new int[] { userId }; 13226 } 13227 final ClearStorageConnection conn = new ClearStorageConnection(); 13228 if (mContext.bindServiceAsUser( 13229 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13230 try { 13231 for (int curUser : users) { 13232 long timeout = SystemClock.uptimeMillis() + 5000; 13233 synchronized (conn) { 13234 long now = SystemClock.uptimeMillis(); 13235 while (conn.mContainerService == null && now < timeout) { 13236 try { 13237 conn.wait(timeout - now); 13238 } catch (InterruptedException e) { 13239 } 13240 } 13241 } 13242 if (conn.mContainerService == null) { 13243 return; 13244 } 13245 13246 final UserEnvironment userEnv = new UserEnvironment(curUser); 13247 clearDirectory(conn.mContainerService, 13248 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13249 if (allData) { 13250 clearDirectory(conn.mContainerService, 13251 userEnv.buildExternalStorageAppDataDirs(packageName)); 13252 clearDirectory(conn.mContainerService, 13253 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13254 } 13255 } 13256 } finally { 13257 mContext.unbindService(conn); 13258 } 13259 } 13260 } 13261 13262 @Override 13263 public void clearApplicationUserData(final String packageName, 13264 final IPackageDataObserver observer, final int userId) { 13265 mContext.enforceCallingOrSelfPermission( 13266 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13267 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13268 // Queue up an async operation since the package deletion may take a little while. 13269 mHandler.post(new Runnable() { 13270 public void run() { 13271 mHandler.removeCallbacks(this); 13272 final boolean succeeded; 13273 synchronized (mInstallLock) { 13274 succeeded = clearApplicationUserDataLI(packageName, userId); 13275 } 13276 clearExternalStorageDataSync(packageName, userId, true); 13277 if (succeeded) { 13278 // invoke DeviceStorageMonitor's update method to clear any notifications 13279 DeviceStorageMonitorInternal 13280 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13281 if (dsm != null) { 13282 dsm.checkMemory(); 13283 } 13284 } 13285 if(observer != null) { 13286 try { 13287 observer.onRemoveCompleted(packageName, succeeded); 13288 } catch (RemoteException e) { 13289 Log.i(TAG, "Observer no longer exists."); 13290 } 13291 } //end if observer 13292 } //end run 13293 }); 13294 } 13295 13296 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13297 if (packageName == null) { 13298 Slog.w(TAG, "Attempt to delete null packageName."); 13299 return false; 13300 } 13301 13302 // Try finding details about the requested package 13303 PackageParser.Package pkg; 13304 synchronized (mPackages) { 13305 pkg = mPackages.get(packageName); 13306 if (pkg == null) { 13307 final PackageSetting ps = mSettings.mPackages.get(packageName); 13308 if (ps != null) { 13309 pkg = ps.pkg; 13310 } 13311 } 13312 13313 if (pkg == null) { 13314 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13315 return false; 13316 } 13317 13318 PackageSetting ps = (PackageSetting) pkg.mExtras; 13319 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13320 } 13321 13322 // Always delete data directories for package, even if we found no other 13323 // record of app. This helps users recover from UID mismatches without 13324 // resorting to a full data wipe. 13325 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13326 if (retCode < 0) { 13327 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13328 return false; 13329 } 13330 13331 final int appId = pkg.applicationInfo.uid; 13332 removeKeystoreDataIfNeeded(userId, appId); 13333 13334 // Create a native library symlink only if we have native libraries 13335 // and if the native libraries are 32 bit libraries. We do not provide 13336 // this symlink for 64 bit libraries. 13337 if (pkg.applicationInfo.primaryCpuAbi != null && 13338 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13339 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13340 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13341 nativeLibPath, userId) < 0) { 13342 Slog.w(TAG, "Failed linking native library dir"); 13343 return false; 13344 } 13345 } 13346 13347 return true; 13348 } 13349 13350 /** 13351 * Reverts user permission state changes (permissions and flags) in 13352 * all packages for a given user. 13353 * 13354 * @param userId The device user for which to do a reset. 13355 */ 13356 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13357 final int packageCount = mPackages.size(); 13358 for (int i = 0; i < packageCount; i++) { 13359 PackageParser.Package pkg = mPackages.valueAt(i); 13360 PackageSetting ps = (PackageSetting) pkg.mExtras; 13361 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13362 } 13363 } 13364 13365 /** 13366 * Reverts user permission state changes (permissions and flags). 13367 * 13368 * @param ps The package for which to reset. 13369 * @param userId The device user for which to do a reset. 13370 */ 13371 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13372 final PackageSetting ps, final int userId) { 13373 if (ps.pkg == null) { 13374 return; 13375 } 13376 13377 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13378 | FLAG_PERMISSION_USER_FIXED 13379 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13380 13381 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13382 | FLAG_PERMISSION_POLICY_FIXED; 13383 13384 boolean writeInstallPermissions = false; 13385 boolean writeRuntimePermissions = false; 13386 13387 final int permissionCount = ps.pkg.requestedPermissions.size(); 13388 for (int i = 0; i < permissionCount; i++) { 13389 String permission = ps.pkg.requestedPermissions.get(i); 13390 13391 BasePermission bp = mSettings.mPermissions.get(permission); 13392 if (bp == null) { 13393 continue; 13394 } 13395 13396 // If shared user we just reset the state to which only this app contributed. 13397 if (ps.sharedUser != null) { 13398 boolean used = false; 13399 final int packageCount = ps.sharedUser.packages.size(); 13400 for (int j = 0; j < packageCount; j++) { 13401 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13402 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13403 && pkg.pkg.requestedPermissions.contains(permission)) { 13404 used = true; 13405 break; 13406 } 13407 } 13408 if (used) { 13409 continue; 13410 } 13411 } 13412 13413 PermissionsState permissionsState = ps.getPermissionsState(); 13414 13415 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13416 13417 // Always clear the user settable flags. 13418 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13419 bp.name) != null; 13420 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13421 if (hasInstallState) { 13422 writeInstallPermissions = true; 13423 } else { 13424 writeRuntimePermissions = true; 13425 } 13426 } 13427 13428 // Below is only runtime permission handling. 13429 if (!bp.isRuntime()) { 13430 continue; 13431 } 13432 13433 // Never clobber system or policy. 13434 if ((oldFlags & policyOrSystemFlags) != 0) { 13435 continue; 13436 } 13437 13438 // If this permission was granted by default, make sure it is. 13439 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13440 if (permissionsState.grantRuntimePermission(bp, userId) 13441 != PERMISSION_OPERATION_FAILURE) { 13442 writeRuntimePermissions = true; 13443 } 13444 } else { 13445 // Otherwise, reset the permission. 13446 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13447 switch (revokeResult) { 13448 case PERMISSION_OPERATION_SUCCESS: { 13449 writeRuntimePermissions = true; 13450 } break; 13451 13452 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13453 writeRuntimePermissions = true; 13454 final int appId = ps.appId; 13455 mHandler.post(new Runnable() { 13456 @Override 13457 public void run() { 13458 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13459 } 13460 }); 13461 } break; 13462 } 13463 } 13464 } 13465 13466 // Synchronously write as we are taking permissions away. 13467 if (writeRuntimePermissions) { 13468 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13469 } 13470 13471 // Synchronously write as we are taking permissions away. 13472 if (writeInstallPermissions) { 13473 mSettings.writeLPr(); 13474 } 13475 } 13476 13477 /** 13478 * Remove entries from the keystore daemon. Will only remove it if the 13479 * {@code appId} is valid. 13480 */ 13481 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13482 if (appId < 0) { 13483 return; 13484 } 13485 13486 final KeyStore keyStore = KeyStore.getInstance(); 13487 if (keyStore != null) { 13488 if (userId == UserHandle.USER_ALL) { 13489 for (final int individual : sUserManager.getUserIds()) { 13490 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13491 } 13492 } else { 13493 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13494 } 13495 } else { 13496 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13497 } 13498 } 13499 13500 @Override 13501 public void deleteApplicationCacheFiles(final String packageName, 13502 final IPackageDataObserver observer) { 13503 mContext.enforceCallingOrSelfPermission( 13504 android.Manifest.permission.DELETE_CACHE_FILES, null); 13505 // Queue up an async operation since the package deletion may take a little while. 13506 final int userId = UserHandle.getCallingUserId(); 13507 mHandler.post(new Runnable() { 13508 public void run() { 13509 mHandler.removeCallbacks(this); 13510 final boolean succeded; 13511 synchronized (mInstallLock) { 13512 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13513 } 13514 clearExternalStorageDataSync(packageName, userId, false); 13515 if (observer != null) { 13516 try { 13517 observer.onRemoveCompleted(packageName, succeded); 13518 } catch (RemoteException e) { 13519 Log.i(TAG, "Observer no longer exists."); 13520 } 13521 } //end if observer 13522 } //end run 13523 }); 13524 } 13525 13526 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13527 if (packageName == null) { 13528 Slog.w(TAG, "Attempt to delete null packageName."); 13529 return false; 13530 } 13531 PackageParser.Package p; 13532 synchronized (mPackages) { 13533 p = mPackages.get(packageName); 13534 } 13535 if (p == null) { 13536 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13537 return false; 13538 } 13539 final ApplicationInfo applicationInfo = p.applicationInfo; 13540 if (applicationInfo == null) { 13541 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13542 return false; 13543 } 13544 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13545 if (retCode < 0) { 13546 Slog.w(TAG, "Couldn't remove cache files for package: " 13547 + packageName + " u" + userId); 13548 return false; 13549 } 13550 return true; 13551 } 13552 13553 @Override 13554 public void getPackageSizeInfo(final String packageName, int userHandle, 13555 final IPackageStatsObserver observer) { 13556 mContext.enforceCallingOrSelfPermission( 13557 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13558 if (packageName == null) { 13559 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13560 } 13561 13562 PackageStats stats = new PackageStats(packageName, userHandle); 13563 13564 /* 13565 * Queue up an async operation since the package measurement may take a 13566 * little while. 13567 */ 13568 Message msg = mHandler.obtainMessage(INIT_COPY); 13569 msg.obj = new MeasureParams(stats, observer); 13570 mHandler.sendMessage(msg); 13571 } 13572 13573 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13574 PackageStats pStats) { 13575 if (packageName == null) { 13576 Slog.w(TAG, "Attempt to get size of null packageName."); 13577 return false; 13578 } 13579 PackageParser.Package p; 13580 boolean dataOnly = false; 13581 String libDirRoot = null; 13582 String asecPath = null; 13583 PackageSetting ps = null; 13584 synchronized (mPackages) { 13585 p = mPackages.get(packageName); 13586 ps = mSettings.mPackages.get(packageName); 13587 if(p == null) { 13588 dataOnly = true; 13589 if((ps == null) || (ps.pkg == null)) { 13590 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13591 return false; 13592 } 13593 p = ps.pkg; 13594 } 13595 if (ps != null) { 13596 libDirRoot = ps.legacyNativeLibraryPathString; 13597 } 13598 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13599 final long token = Binder.clearCallingIdentity(); 13600 try { 13601 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13602 if (secureContainerId != null) { 13603 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13604 } 13605 } finally { 13606 Binder.restoreCallingIdentity(token); 13607 } 13608 } 13609 } 13610 String publicSrcDir = null; 13611 if(!dataOnly) { 13612 final ApplicationInfo applicationInfo = p.applicationInfo; 13613 if (applicationInfo == null) { 13614 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13615 return false; 13616 } 13617 if (p.isForwardLocked()) { 13618 publicSrcDir = applicationInfo.getBaseResourcePath(); 13619 } 13620 } 13621 // TODO: extend to measure size of split APKs 13622 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13623 // not just the first level. 13624 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13625 // just the primary. 13626 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13627 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, p.baseCodePath, 13628 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13629 if (res < 0) { 13630 return false; 13631 } 13632 13633 // Fix-up for forward-locked applications in ASEC containers. 13634 if (!isExternal(p)) { 13635 pStats.codeSize += pStats.externalCodeSize; 13636 pStats.externalCodeSize = 0L; 13637 } 13638 13639 return true; 13640 } 13641 13642 13643 @Override 13644 public void addPackageToPreferred(String packageName) { 13645 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13646 } 13647 13648 @Override 13649 public void removePackageFromPreferred(String packageName) { 13650 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13651 } 13652 13653 @Override 13654 public List<PackageInfo> getPreferredPackages(int flags) { 13655 return new ArrayList<PackageInfo>(); 13656 } 13657 13658 private int getUidTargetSdkVersionLockedLPr(int uid) { 13659 Object obj = mSettings.getUserIdLPr(uid); 13660 if (obj instanceof SharedUserSetting) { 13661 final SharedUserSetting sus = (SharedUserSetting) obj; 13662 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13663 final Iterator<PackageSetting> it = sus.packages.iterator(); 13664 while (it.hasNext()) { 13665 final PackageSetting ps = it.next(); 13666 if (ps.pkg != null) { 13667 int v = ps.pkg.applicationInfo.targetSdkVersion; 13668 if (v < vers) vers = v; 13669 } 13670 } 13671 return vers; 13672 } else if (obj instanceof PackageSetting) { 13673 final PackageSetting ps = (PackageSetting) obj; 13674 if (ps.pkg != null) { 13675 return ps.pkg.applicationInfo.targetSdkVersion; 13676 } 13677 } 13678 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13679 } 13680 13681 @Override 13682 public void addPreferredActivity(IntentFilter filter, int match, 13683 ComponentName[] set, ComponentName activity, int userId) { 13684 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13685 "Adding preferred"); 13686 } 13687 13688 private void addPreferredActivityInternal(IntentFilter filter, int match, 13689 ComponentName[] set, ComponentName activity, boolean always, int userId, 13690 String opname) { 13691 // writer 13692 int callingUid = Binder.getCallingUid(); 13693 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13694 if (filter.countActions() == 0) { 13695 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13696 return; 13697 } 13698 synchronized (mPackages) { 13699 if (mContext.checkCallingOrSelfPermission( 13700 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13701 != PackageManager.PERMISSION_GRANTED) { 13702 if (getUidTargetSdkVersionLockedLPr(callingUid) 13703 < Build.VERSION_CODES.FROYO) { 13704 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13705 + callingUid); 13706 return; 13707 } 13708 mContext.enforceCallingOrSelfPermission( 13709 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13710 } 13711 13712 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13713 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13714 + userId + ":"); 13715 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13716 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13717 scheduleWritePackageRestrictionsLocked(userId); 13718 } 13719 } 13720 13721 @Override 13722 public void replacePreferredActivity(IntentFilter filter, int match, 13723 ComponentName[] set, ComponentName activity, int userId) { 13724 if (filter.countActions() != 1) { 13725 throw new IllegalArgumentException( 13726 "replacePreferredActivity expects filter to have only 1 action."); 13727 } 13728 if (filter.countDataAuthorities() != 0 13729 || filter.countDataPaths() != 0 13730 || filter.countDataSchemes() > 1 13731 || filter.countDataTypes() != 0) { 13732 throw new IllegalArgumentException( 13733 "replacePreferredActivity expects filter to have no data authorities, " + 13734 "paths, or types; and at most one scheme."); 13735 } 13736 13737 final int callingUid = Binder.getCallingUid(); 13738 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13739 synchronized (mPackages) { 13740 if (mContext.checkCallingOrSelfPermission( 13741 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13742 != PackageManager.PERMISSION_GRANTED) { 13743 if (getUidTargetSdkVersionLockedLPr(callingUid) 13744 < Build.VERSION_CODES.FROYO) { 13745 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13746 + Binder.getCallingUid()); 13747 return; 13748 } 13749 mContext.enforceCallingOrSelfPermission( 13750 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13751 } 13752 13753 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13754 if (pir != null) { 13755 // Get all of the existing entries that exactly match this filter. 13756 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13757 if (existing != null && existing.size() == 1) { 13758 PreferredActivity cur = existing.get(0); 13759 if (DEBUG_PREFERRED) { 13760 Slog.i(TAG, "Checking replace of preferred:"); 13761 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13762 if (!cur.mPref.mAlways) { 13763 Slog.i(TAG, " -- CUR; not mAlways!"); 13764 } else { 13765 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13766 Slog.i(TAG, " -- CUR: mSet=" 13767 + Arrays.toString(cur.mPref.mSetComponents)); 13768 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13769 Slog.i(TAG, " -- NEW: mMatch=" 13770 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13771 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13772 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13773 } 13774 } 13775 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13776 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13777 && cur.mPref.sameSet(set)) { 13778 // Setting the preferred activity to what it happens to be already 13779 if (DEBUG_PREFERRED) { 13780 Slog.i(TAG, "Replacing with same preferred activity " 13781 + cur.mPref.mShortComponent + " for user " 13782 + userId + ":"); 13783 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13784 } 13785 return; 13786 } 13787 } 13788 13789 if (existing != null) { 13790 if (DEBUG_PREFERRED) { 13791 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13792 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13793 } 13794 for (int i = 0; i < existing.size(); i++) { 13795 PreferredActivity pa = existing.get(i); 13796 if (DEBUG_PREFERRED) { 13797 Slog.i(TAG, "Removing existing preferred activity " 13798 + pa.mPref.mComponent + ":"); 13799 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13800 } 13801 pir.removeFilter(pa); 13802 } 13803 } 13804 } 13805 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13806 "Replacing preferred"); 13807 } 13808 } 13809 13810 @Override 13811 public void clearPackagePreferredActivities(String packageName) { 13812 final int uid = Binder.getCallingUid(); 13813 // writer 13814 synchronized (mPackages) { 13815 PackageParser.Package pkg = mPackages.get(packageName); 13816 if (pkg == null || pkg.applicationInfo.uid != uid) { 13817 if (mContext.checkCallingOrSelfPermission( 13818 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13819 != PackageManager.PERMISSION_GRANTED) { 13820 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13821 < Build.VERSION_CODES.FROYO) { 13822 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13823 + Binder.getCallingUid()); 13824 return; 13825 } 13826 mContext.enforceCallingOrSelfPermission( 13827 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13828 } 13829 } 13830 13831 int user = UserHandle.getCallingUserId(); 13832 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13833 scheduleWritePackageRestrictionsLocked(user); 13834 } 13835 } 13836 } 13837 13838 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13839 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13840 ArrayList<PreferredActivity> removed = null; 13841 boolean changed = false; 13842 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13843 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13844 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13845 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13846 continue; 13847 } 13848 Iterator<PreferredActivity> it = pir.filterIterator(); 13849 while (it.hasNext()) { 13850 PreferredActivity pa = it.next(); 13851 // Mark entry for removal only if it matches the package name 13852 // and the entry is of type "always". 13853 if (packageName == null || 13854 (pa.mPref.mComponent.getPackageName().equals(packageName) 13855 && pa.mPref.mAlways)) { 13856 if (removed == null) { 13857 removed = new ArrayList<PreferredActivity>(); 13858 } 13859 removed.add(pa); 13860 } 13861 } 13862 if (removed != null) { 13863 for (int j=0; j<removed.size(); j++) { 13864 PreferredActivity pa = removed.get(j); 13865 pir.removeFilter(pa); 13866 } 13867 changed = true; 13868 } 13869 } 13870 return changed; 13871 } 13872 13873 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13874 private void clearIntentFilterVerificationsLPw(int userId) { 13875 final int packageCount = mPackages.size(); 13876 for (int i = 0; i < packageCount; i++) { 13877 PackageParser.Package pkg = mPackages.valueAt(i); 13878 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 13879 } 13880 } 13881 13882 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13883 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13884 if (userId == UserHandle.USER_ALL) { 13885 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13886 sUserManager.getUserIds())) { 13887 for (int oneUserId : sUserManager.getUserIds()) { 13888 scheduleWritePackageRestrictionsLocked(oneUserId); 13889 } 13890 } 13891 } else { 13892 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13893 scheduleWritePackageRestrictionsLocked(userId); 13894 } 13895 } 13896 } 13897 13898 void clearDefaultBrowserIfNeeded(String packageName) { 13899 for (int oneUserId : sUserManager.getUserIds()) { 13900 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13901 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13902 if (packageName.equals(defaultBrowserPackageName)) { 13903 setDefaultBrowserPackageName(null, oneUserId); 13904 } 13905 } 13906 } 13907 13908 @Override 13909 public void resetApplicationPreferences(int userId) { 13910 mContext.enforceCallingOrSelfPermission( 13911 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13912 // writer 13913 synchronized (mPackages) { 13914 final long identity = Binder.clearCallingIdentity(); 13915 try { 13916 clearPackagePreferredActivitiesLPw(null, userId); 13917 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13918 // TODO: We have to reset the default SMS and Phone. This requires 13919 // significant refactoring to keep all default apps in the package 13920 // manager (cleaner but more work) or have the services provide 13921 // callbacks to the package manager to request a default app reset. 13922 applyFactoryDefaultBrowserLPw(userId); 13923 clearIntentFilterVerificationsLPw(userId); 13924 primeDomainVerificationsLPw(userId); 13925 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 13926 scheduleWritePackageRestrictionsLocked(userId); 13927 } finally { 13928 Binder.restoreCallingIdentity(identity); 13929 } 13930 } 13931 } 13932 13933 @Override 13934 public int getPreferredActivities(List<IntentFilter> outFilters, 13935 List<ComponentName> outActivities, String packageName) { 13936 13937 int num = 0; 13938 final int userId = UserHandle.getCallingUserId(); 13939 // reader 13940 synchronized (mPackages) { 13941 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13942 if (pir != null) { 13943 final Iterator<PreferredActivity> it = pir.filterIterator(); 13944 while (it.hasNext()) { 13945 final PreferredActivity pa = it.next(); 13946 if (packageName == null 13947 || (pa.mPref.mComponent.getPackageName().equals(packageName) 13948 && pa.mPref.mAlways)) { 13949 if (outFilters != null) { 13950 outFilters.add(new IntentFilter(pa)); 13951 } 13952 if (outActivities != null) { 13953 outActivities.add(pa.mPref.mComponent); 13954 } 13955 } 13956 } 13957 } 13958 } 13959 13960 return num; 13961 } 13962 13963 @Override 13964 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 13965 int userId) { 13966 int callingUid = Binder.getCallingUid(); 13967 if (callingUid != Process.SYSTEM_UID) { 13968 throw new SecurityException( 13969 "addPersistentPreferredActivity can only be run by the system"); 13970 } 13971 if (filter.countActions() == 0) { 13972 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13973 return; 13974 } 13975 synchronized (mPackages) { 13976 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 13977 " :"); 13978 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13979 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 13980 new PersistentPreferredActivity(filter, activity)); 13981 scheduleWritePackageRestrictionsLocked(userId); 13982 } 13983 } 13984 13985 @Override 13986 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 13987 int callingUid = Binder.getCallingUid(); 13988 if (callingUid != Process.SYSTEM_UID) { 13989 throw new SecurityException( 13990 "clearPackagePersistentPreferredActivities can only be run by the system"); 13991 } 13992 ArrayList<PersistentPreferredActivity> removed = null; 13993 boolean changed = false; 13994 synchronized (mPackages) { 13995 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 13996 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 13997 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 13998 .valueAt(i); 13999 if (userId != thisUserId) { 14000 continue; 14001 } 14002 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14003 while (it.hasNext()) { 14004 PersistentPreferredActivity ppa = it.next(); 14005 // Mark entry for removal only if it matches the package name. 14006 if (ppa.mComponent.getPackageName().equals(packageName)) { 14007 if (removed == null) { 14008 removed = new ArrayList<PersistentPreferredActivity>(); 14009 } 14010 removed.add(ppa); 14011 } 14012 } 14013 if (removed != null) { 14014 for (int j=0; j<removed.size(); j++) { 14015 PersistentPreferredActivity ppa = removed.get(j); 14016 ppir.removeFilter(ppa); 14017 } 14018 changed = true; 14019 } 14020 } 14021 14022 if (changed) { 14023 scheduleWritePackageRestrictionsLocked(userId); 14024 } 14025 } 14026 } 14027 14028 /** 14029 * Common machinery for picking apart a restored XML blob and passing 14030 * it to a caller-supplied functor to be applied to the running system. 14031 */ 14032 private void restoreFromXml(XmlPullParser parser, int userId, 14033 String expectedStartTag, BlobXmlRestorer functor) 14034 throws IOException, XmlPullParserException { 14035 int type; 14036 while ((type = parser.next()) != XmlPullParser.START_TAG 14037 && type != XmlPullParser.END_DOCUMENT) { 14038 } 14039 if (type != XmlPullParser.START_TAG) { 14040 // oops didn't find a start tag?! 14041 if (DEBUG_BACKUP) { 14042 Slog.e(TAG, "Didn't find start tag during restore"); 14043 } 14044 return; 14045 } 14046 14047 // this is supposed to be TAG_PREFERRED_BACKUP 14048 if (!expectedStartTag.equals(parser.getName())) { 14049 if (DEBUG_BACKUP) { 14050 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14051 } 14052 return; 14053 } 14054 14055 // skip interfering stuff, then we're aligned with the backing implementation 14056 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14057 functor.apply(parser, userId); 14058 } 14059 14060 private interface BlobXmlRestorer { 14061 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14062 } 14063 14064 /** 14065 * Non-Binder method, support for the backup/restore mechanism: write the 14066 * full set of preferred activities in its canonical XML format. Returns the 14067 * XML output as a byte array, or null if there is none. 14068 */ 14069 @Override 14070 public byte[] getPreferredActivityBackup(int userId) { 14071 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14072 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14073 } 14074 14075 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14076 try { 14077 final XmlSerializer serializer = new FastXmlSerializer(); 14078 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14079 serializer.startDocument(null, true); 14080 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14081 14082 synchronized (mPackages) { 14083 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14084 } 14085 14086 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14087 serializer.endDocument(); 14088 serializer.flush(); 14089 } catch (Exception e) { 14090 if (DEBUG_BACKUP) { 14091 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14092 } 14093 return null; 14094 } 14095 14096 return dataStream.toByteArray(); 14097 } 14098 14099 @Override 14100 public void restorePreferredActivities(byte[] backup, int userId) { 14101 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14102 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14103 } 14104 14105 try { 14106 final XmlPullParser parser = Xml.newPullParser(); 14107 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14108 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14109 new BlobXmlRestorer() { 14110 @Override 14111 public void apply(XmlPullParser parser, int userId) 14112 throws XmlPullParserException, IOException { 14113 synchronized (mPackages) { 14114 mSettings.readPreferredActivitiesLPw(parser, userId); 14115 } 14116 } 14117 } ); 14118 } catch (Exception e) { 14119 if (DEBUG_BACKUP) { 14120 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14121 } 14122 } 14123 } 14124 14125 /** 14126 * Non-Binder method, support for the backup/restore mechanism: write the 14127 * default browser (etc) settings in its canonical XML format. Returns the default 14128 * browser XML representation as a byte array, or null if there is none. 14129 */ 14130 @Override 14131 public byte[] getDefaultAppsBackup(int userId) { 14132 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14133 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14134 } 14135 14136 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14137 try { 14138 final XmlSerializer serializer = new FastXmlSerializer(); 14139 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14140 serializer.startDocument(null, true); 14141 serializer.startTag(null, TAG_DEFAULT_APPS); 14142 14143 synchronized (mPackages) { 14144 mSettings.writeDefaultAppsLPr(serializer, userId); 14145 } 14146 14147 serializer.endTag(null, TAG_DEFAULT_APPS); 14148 serializer.endDocument(); 14149 serializer.flush(); 14150 } catch (Exception e) { 14151 if (DEBUG_BACKUP) { 14152 Slog.e(TAG, "Unable to write default apps for backup", e); 14153 } 14154 return null; 14155 } 14156 14157 return dataStream.toByteArray(); 14158 } 14159 14160 @Override 14161 public void restoreDefaultApps(byte[] backup, int userId) { 14162 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14163 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14164 } 14165 14166 try { 14167 final XmlPullParser parser = Xml.newPullParser(); 14168 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14169 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14170 new BlobXmlRestorer() { 14171 @Override 14172 public void apply(XmlPullParser parser, int userId) 14173 throws XmlPullParserException, IOException { 14174 synchronized (mPackages) { 14175 mSettings.readDefaultAppsLPw(parser, userId); 14176 } 14177 } 14178 } ); 14179 } catch (Exception e) { 14180 if (DEBUG_BACKUP) { 14181 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14182 } 14183 } 14184 } 14185 14186 @Override 14187 public byte[] getIntentFilterVerificationBackup(int userId) { 14188 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14189 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14190 } 14191 14192 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14193 try { 14194 final XmlSerializer serializer = new FastXmlSerializer(); 14195 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14196 serializer.startDocument(null, true); 14197 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14198 14199 synchronized (mPackages) { 14200 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14201 } 14202 14203 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14204 serializer.endDocument(); 14205 serializer.flush(); 14206 } catch (Exception e) { 14207 if (DEBUG_BACKUP) { 14208 Slog.e(TAG, "Unable to write default apps for backup", e); 14209 } 14210 return null; 14211 } 14212 14213 return dataStream.toByteArray(); 14214 } 14215 14216 @Override 14217 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14218 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14219 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14220 } 14221 14222 try { 14223 final XmlPullParser parser = Xml.newPullParser(); 14224 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14225 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14226 new BlobXmlRestorer() { 14227 @Override 14228 public void apply(XmlPullParser parser, int userId) 14229 throws XmlPullParserException, IOException { 14230 synchronized (mPackages) { 14231 mSettings.readAllDomainVerificationsLPr(parser, userId); 14232 mSettings.writeLPr(); 14233 } 14234 } 14235 } ); 14236 } catch (Exception e) { 14237 if (DEBUG_BACKUP) { 14238 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14239 } 14240 } 14241 } 14242 14243 @Override 14244 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14245 int sourceUserId, int targetUserId, int flags) { 14246 mContext.enforceCallingOrSelfPermission( 14247 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14248 int callingUid = Binder.getCallingUid(); 14249 enforceOwnerRights(ownerPackage, callingUid); 14250 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14251 if (intentFilter.countActions() == 0) { 14252 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14253 return; 14254 } 14255 synchronized (mPackages) { 14256 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14257 ownerPackage, targetUserId, flags); 14258 CrossProfileIntentResolver resolver = 14259 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14260 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14261 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14262 if (existing != null) { 14263 int size = existing.size(); 14264 for (int i = 0; i < size; i++) { 14265 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14266 return; 14267 } 14268 } 14269 } 14270 resolver.addFilter(newFilter); 14271 scheduleWritePackageRestrictionsLocked(sourceUserId); 14272 } 14273 } 14274 14275 @Override 14276 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14277 mContext.enforceCallingOrSelfPermission( 14278 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14279 int callingUid = Binder.getCallingUid(); 14280 enforceOwnerRights(ownerPackage, callingUid); 14281 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14282 synchronized (mPackages) { 14283 CrossProfileIntentResolver resolver = 14284 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14285 ArraySet<CrossProfileIntentFilter> set = 14286 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14287 for (CrossProfileIntentFilter filter : set) { 14288 if (filter.getOwnerPackage().equals(ownerPackage)) { 14289 resolver.removeFilter(filter); 14290 } 14291 } 14292 scheduleWritePackageRestrictionsLocked(sourceUserId); 14293 } 14294 } 14295 14296 // Enforcing that callingUid is owning pkg on userId 14297 private void enforceOwnerRights(String pkg, int callingUid) { 14298 // The system owns everything. 14299 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14300 return; 14301 } 14302 int callingUserId = UserHandle.getUserId(callingUid); 14303 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14304 if (pi == null) { 14305 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14306 + callingUserId); 14307 } 14308 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14309 throw new SecurityException("Calling uid " + callingUid 14310 + " does not own package " + pkg); 14311 } 14312 } 14313 14314 @Override 14315 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14316 Intent intent = new Intent(Intent.ACTION_MAIN); 14317 intent.addCategory(Intent.CATEGORY_HOME); 14318 14319 final int callingUserId = UserHandle.getCallingUserId(); 14320 List<ResolveInfo> list = queryIntentActivities(intent, null, 14321 PackageManager.GET_META_DATA, callingUserId); 14322 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14323 true, false, false, callingUserId); 14324 14325 allHomeCandidates.clear(); 14326 if (list != null) { 14327 for (ResolveInfo ri : list) { 14328 allHomeCandidates.add(ri); 14329 } 14330 } 14331 return (preferred == null || preferred.activityInfo == null) 14332 ? null 14333 : new ComponentName(preferred.activityInfo.packageName, 14334 preferred.activityInfo.name); 14335 } 14336 14337 @Override 14338 public void setApplicationEnabledSetting(String appPackageName, 14339 int newState, int flags, int userId, String callingPackage) { 14340 if (!sUserManager.exists(userId)) return; 14341 if (callingPackage == null) { 14342 callingPackage = Integer.toString(Binder.getCallingUid()); 14343 } 14344 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14345 } 14346 14347 @Override 14348 public void setComponentEnabledSetting(ComponentName componentName, 14349 int newState, int flags, int userId) { 14350 if (!sUserManager.exists(userId)) return; 14351 setEnabledSetting(componentName.getPackageName(), 14352 componentName.getClassName(), newState, flags, userId, null); 14353 } 14354 14355 private void setEnabledSetting(final String packageName, String className, int newState, 14356 final int flags, int userId, String callingPackage) { 14357 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14358 || newState == COMPONENT_ENABLED_STATE_ENABLED 14359 || newState == COMPONENT_ENABLED_STATE_DISABLED 14360 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14361 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14362 throw new IllegalArgumentException("Invalid new component state: " 14363 + newState); 14364 } 14365 PackageSetting pkgSetting; 14366 final int uid = Binder.getCallingUid(); 14367 final int permission = mContext.checkCallingOrSelfPermission( 14368 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14369 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14370 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14371 boolean sendNow = false; 14372 boolean isApp = (className == null); 14373 String componentName = isApp ? packageName : className; 14374 int packageUid = -1; 14375 ArrayList<String> components; 14376 14377 // writer 14378 synchronized (mPackages) { 14379 pkgSetting = mSettings.mPackages.get(packageName); 14380 if (pkgSetting == null) { 14381 if (className == null) { 14382 throw new IllegalArgumentException( 14383 "Unknown package: " + packageName); 14384 } 14385 throw new IllegalArgumentException( 14386 "Unknown component: " + packageName 14387 + "/" + className); 14388 } 14389 // Allow root and verify that userId is not being specified by a different user 14390 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14391 throw new SecurityException( 14392 "Permission Denial: attempt to change component state from pid=" 14393 + Binder.getCallingPid() 14394 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14395 } 14396 if (className == null) { 14397 // We're dealing with an application/package level state change 14398 if (pkgSetting.getEnabled(userId) == newState) { 14399 // Nothing to do 14400 return; 14401 } 14402 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14403 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14404 // Don't care about who enables an app. 14405 callingPackage = null; 14406 } 14407 pkgSetting.setEnabled(newState, userId, callingPackage); 14408 // pkgSetting.pkg.mSetEnabled = newState; 14409 } else { 14410 // We're dealing with a component level state change 14411 // First, verify that this is a valid class name. 14412 PackageParser.Package pkg = pkgSetting.pkg; 14413 if (pkg == null || !pkg.hasComponentClassName(className)) { 14414 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14415 throw new IllegalArgumentException("Component class " + className 14416 + " does not exist in " + packageName); 14417 } else { 14418 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14419 + className + " does not exist in " + packageName); 14420 } 14421 } 14422 switch (newState) { 14423 case COMPONENT_ENABLED_STATE_ENABLED: 14424 if (!pkgSetting.enableComponentLPw(className, userId)) { 14425 return; 14426 } 14427 break; 14428 case COMPONENT_ENABLED_STATE_DISABLED: 14429 if (!pkgSetting.disableComponentLPw(className, userId)) { 14430 return; 14431 } 14432 break; 14433 case COMPONENT_ENABLED_STATE_DEFAULT: 14434 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14435 return; 14436 } 14437 break; 14438 default: 14439 Slog.e(TAG, "Invalid new component state: " + newState); 14440 return; 14441 } 14442 } 14443 scheduleWritePackageRestrictionsLocked(userId); 14444 components = mPendingBroadcasts.get(userId, packageName); 14445 final boolean newPackage = components == null; 14446 if (newPackage) { 14447 components = new ArrayList<String>(); 14448 } 14449 if (!components.contains(componentName)) { 14450 components.add(componentName); 14451 } 14452 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14453 sendNow = true; 14454 // Purge entry from pending broadcast list if another one exists already 14455 // since we are sending one right away. 14456 mPendingBroadcasts.remove(userId, packageName); 14457 } else { 14458 if (newPackage) { 14459 mPendingBroadcasts.put(userId, packageName, components); 14460 } 14461 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14462 // Schedule a message 14463 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14464 } 14465 } 14466 } 14467 14468 long callingId = Binder.clearCallingIdentity(); 14469 try { 14470 if (sendNow) { 14471 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14472 sendPackageChangedBroadcast(packageName, 14473 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14474 } 14475 } finally { 14476 Binder.restoreCallingIdentity(callingId); 14477 } 14478 } 14479 14480 private void sendPackageChangedBroadcast(String packageName, 14481 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14482 if (DEBUG_INSTALL) 14483 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14484 + componentNames); 14485 Bundle extras = new Bundle(4); 14486 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14487 String nameList[] = new String[componentNames.size()]; 14488 componentNames.toArray(nameList); 14489 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14490 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14491 extras.putInt(Intent.EXTRA_UID, packageUid); 14492 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14493 new int[] {UserHandle.getUserId(packageUid)}); 14494 } 14495 14496 @Override 14497 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14498 if (!sUserManager.exists(userId)) return; 14499 final int uid = Binder.getCallingUid(); 14500 final int permission = mContext.checkCallingOrSelfPermission( 14501 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14502 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14503 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14504 // writer 14505 synchronized (mPackages) { 14506 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14507 allowedByPermission, uid, userId)) { 14508 scheduleWritePackageRestrictionsLocked(userId); 14509 } 14510 } 14511 } 14512 14513 @Override 14514 public String getInstallerPackageName(String packageName) { 14515 // reader 14516 synchronized (mPackages) { 14517 return mSettings.getInstallerPackageNameLPr(packageName); 14518 } 14519 } 14520 14521 @Override 14522 public int getApplicationEnabledSetting(String packageName, int userId) { 14523 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14524 int uid = Binder.getCallingUid(); 14525 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14526 // reader 14527 synchronized (mPackages) { 14528 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14529 } 14530 } 14531 14532 @Override 14533 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14534 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14535 int uid = Binder.getCallingUid(); 14536 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14537 // reader 14538 synchronized (mPackages) { 14539 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14540 } 14541 } 14542 14543 @Override 14544 public void enterSafeMode() { 14545 enforceSystemOrRoot("Only the system can request entering safe mode"); 14546 14547 if (!mSystemReady) { 14548 mSafeMode = true; 14549 } 14550 } 14551 14552 @Override 14553 public void systemReady() { 14554 mSystemReady = true; 14555 14556 // Read the compatibilty setting when the system is ready. 14557 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14558 mContext.getContentResolver(), 14559 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14560 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14561 if (DEBUG_SETTINGS) { 14562 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14563 } 14564 14565 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14566 14567 synchronized (mPackages) { 14568 // Verify that all of the preferred activity components actually 14569 // exist. It is possible for applications to be updated and at 14570 // that point remove a previously declared activity component that 14571 // had been set as a preferred activity. We try to clean this up 14572 // the next time we encounter that preferred activity, but it is 14573 // possible for the user flow to never be able to return to that 14574 // situation so here we do a sanity check to make sure we haven't 14575 // left any junk around. 14576 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14577 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14578 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14579 removed.clear(); 14580 for (PreferredActivity pa : pir.filterSet()) { 14581 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14582 removed.add(pa); 14583 } 14584 } 14585 if (removed.size() > 0) { 14586 for (int r=0; r<removed.size(); r++) { 14587 PreferredActivity pa = removed.get(r); 14588 Slog.w(TAG, "Removing dangling preferred activity: " 14589 + pa.mPref.mComponent); 14590 pir.removeFilter(pa); 14591 } 14592 mSettings.writePackageRestrictionsLPr( 14593 mSettings.mPreferredActivities.keyAt(i)); 14594 } 14595 } 14596 14597 for (int userId : UserManagerService.getInstance().getUserIds()) { 14598 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14599 grantPermissionsUserIds = ArrayUtils.appendInt( 14600 grantPermissionsUserIds, userId); 14601 } 14602 } 14603 } 14604 sUserManager.systemReady(); 14605 14606 // If we upgraded grant all default permissions before kicking off. 14607 for (int userId : grantPermissionsUserIds) { 14608 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14609 } 14610 14611 // Kick off any messages waiting for system ready 14612 if (mPostSystemReadyMessages != null) { 14613 for (Message msg : mPostSystemReadyMessages) { 14614 msg.sendToTarget(); 14615 } 14616 mPostSystemReadyMessages = null; 14617 } 14618 14619 // Watch for external volumes that come and go over time 14620 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14621 storage.registerListener(mStorageListener); 14622 14623 mInstallerService.systemReady(); 14624 mPackageDexOptimizer.systemReady(); 14625 14626 MountServiceInternal mountServiceInternal = LocalServices.getService( 14627 MountServiceInternal.class); 14628 mountServiceInternal.addExternalStoragePolicy( 14629 new MountServiceInternal.ExternalStorageMountPolicy() { 14630 @Override 14631 public int getMountMode(int uid, String packageName) { 14632 if (Process.isIsolated(uid)) { 14633 return Zygote.MOUNT_EXTERNAL_NONE; 14634 } 14635 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14636 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14637 } 14638 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14639 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14640 } 14641 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14642 return Zygote.MOUNT_EXTERNAL_READ; 14643 } 14644 return Zygote.MOUNT_EXTERNAL_WRITE; 14645 } 14646 14647 @Override 14648 public boolean hasExternalStorage(int uid, String packageName) { 14649 return true; 14650 } 14651 }); 14652 } 14653 14654 @Override 14655 public boolean isSafeMode() { 14656 return mSafeMode; 14657 } 14658 14659 @Override 14660 public boolean hasSystemUidErrors() { 14661 return mHasSystemUidErrors; 14662 } 14663 14664 static String arrayToString(int[] array) { 14665 StringBuffer buf = new StringBuffer(128); 14666 buf.append('['); 14667 if (array != null) { 14668 for (int i=0; i<array.length; i++) { 14669 if (i > 0) buf.append(", "); 14670 buf.append(array[i]); 14671 } 14672 } 14673 buf.append(']'); 14674 return buf.toString(); 14675 } 14676 14677 static class DumpState { 14678 public static final int DUMP_LIBS = 1 << 0; 14679 public static final int DUMP_FEATURES = 1 << 1; 14680 public static final int DUMP_RESOLVERS = 1 << 2; 14681 public static final int DUMP_PERMISSIONS = 1 << 3; 14682 public static final int DUMP_PACKAGES = 1 << 4; 14683 public static final int DUMP_SHARED_USERS = 1 << 5; 14684 public static final int DUMP_MESSAGES = 1 << 6; 14685 public static final int DUMP_PROVIDERS = 1 << 7; 14686 public static final int DUMP_VERIFIERS = 1 << 8; 14687 public static final int DUMP_PREFERRED = 1 << 9; 14688 public static final int DUMP_PREFERRED_XML = 1 << 10; 14689 public static final int DUMP_KEYSETS = 1 << 11; 14690 public static final int DUMP_VERSION = 1 << 12; 14691 public static final int DUMP_INSTALLS = 1 << 13; 14692 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14693 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14694 14695 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14696 14697 private int mTypes; 14698 14699 private int mOptions; 14700 14701 private boolean mTitlePrinted; 14702 14703 private SharedUserSetting mSharedUser; 14704 14705 public boolean isDumping(int type) { 14706 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14707 return true; 14708 } 14709 14710 return (mTypes & type) != 0; 14711 } 14712 14713 public void setDump(int type) { 14714 mTypes |= type; 14715 } 14716 14717 public boolean isOptionEnabled(int option) { 14718 return (mOptions & option) != 0; 14719 } 14720 14721 public void setOptionEnabled(int option) { 14722 mOptions |= option; 14723 } 14724 14725 public boolean onTitlePrinted() { 14726 final boolean printed = mTitlePrinted; 14727 mTitlePrinted = true; 14728 return printed; 14729 } 14730 14731 public boolean getTitlePrinted() { 14732 return mTitlePrinted; 14733 } 14734 14735 public void setTitlePrinted(boolean enabled) { 14736 mTitlePrinted = enabled; 14737 } 14738 14739 public SharedUserSetting getSharedUser() { 14740 return mSharedUser; 14741 } 14742 14743 public void setSharedUser(SharedUserSetting user) { 14744 mSharedUser = user; 14745 } 14746 } 14747 14748 @Override 14749 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14750 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14751 != PackageManager.PERMISSION_GRANTED) { 14752 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14753 + Binder.getCallingPid() 14754 + ", uid=" + Binder.getCallingUid() 14755 + " without permission " 14756 + android.Manifest.permission.DUMP); 14757 return; 14758 } 14759 14760 DumpState dumpState = new DumpState(); 14761 boolean fullPreferred = false; 14762 boolean checkin = false; 14763 14764 String packageName = null; 14765 ArraySet<String> permissionNames = null; 14766 14767 int opti = 0; 14768 while (opti < args.length) { 14769 String opt = args[opti]; 14770 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14771 break; 14772 } 14773 opti++; 14774 14775 if ("-a".equals(opt)) { 14776 // Right now we only know how to print all. 14777 } else if ("-h".equals(opt)) { 14778 pw.println("Package manager dump options:"); 14779 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14780 pw.println(" --checkin: dump for a checkin"); 14781 pw.println(" -f: print details of intent filters"); 14782 pw.println(" -h: print this help"); 14783 pw.println(" cmd may be one of:"); 14784 pw.println(" l[ibraries]: list known shared libraries"); 14785 pw.println(" f[ibraries]: list device features"); 14786 pw.println(" k[eysets]: print known keysets"); 14787 pw.println(" r[esolvers]: dump intent resolvers"); 14788 pw.println(" perm[issions]: dump permissions"); 14789 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14790 pw.println(" pref[erred]: print preferred package settings"); 14791 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14792 pw.println(" prov[iders]: dump content providers"); 14793 pw.println(" p[ackages]: dump installed packages"); 14794 pw.println(" s[hared-users]: dump shared user IDs"); 14795 pw.println(" m[essages]: print collected runtime messages"); 14796 pw.println(" v[erifiers]: print package verifier info"); 14797 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14798 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14799 pw.println(" version: print database version info"); 14800 pw.println(" write: write current settings now"); 14801 pw.println(" installs: details about install sessions"); 14802 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14803 pw.println(" <package.name>: info about given package"); 14804 return; 14805 } else if ("--checkin".equals(opt)) { 14806 checkin = true; 14807 } else if ("-f".equals(opt)) { 14808 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14809 } else { 14810 pw.println("Unknown argument: " + opt + "; use -h for help"); 14811 } 14812 } 14813 14814 // Is the caller requesting to dump a particular piece of data? 14815 if (opti < args.length) { 14816 String cmd = args[opti]; 14817 opti++; 14818 // Is this a package name? 14819 if ("android".equals(cmd) || cmd.contains(".")) { 14820 packageName = cmd; 14821 // When dumping a single package, we always dump all of its 14822 // filter information since the amount of data will be reasonable. 14823 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14824 } else if ("check-permission".equals(cmd)) { 14825 if (opti >= args.length) { 14826 pw.println("Error: check-permission missing permission argument"); 14827 return; 14828 } 14829 String perm = args[opti]; 14830 opti++; 14831 if (opti >= args.length) { 14832 pw.println("Error: check-permission missing package argument"); 14833 return; 14834 } 14835 String pkg = args[opti]; 14836 opti++; 14837 int user = UserHandle.getUserId(Binder.getCallingUid()); 14838 if (opti < args.length) { 14839 try { 14840 user = Integer.parseInt(args[opti]); 14841 } catch (NumberFormatException e) { 14842 pw.println("Error: check-permission user argument is not a number: " 14843 + args[opti]); 14844 return; 14845 } 14846 } 14847 pw.println(checkPermission(perm, pkg, user)); 14848 return; 14849 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14850 dumpState.setDump(DumpState.DUMP_LIBS); 14851 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14852 dumpState.setDump(DumpState.DUMP_FEATURES); 14853 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14854 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14855 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14856 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14857 } else if ("permission".equals(cmd)) { 14858 if (opti >= args.length) { 14859 pw.println("Error: permission requires permission name"); 14860 return; 14861 } 14862 permissionNames = new ArraySet<>(); 14863 while (opti < args.length) { 14864 permissionNames.add(args[opti]); 14865 opti++; 14866 } 14867 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14868 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14869 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14870 dumpState.setDump(DumpState.DUMP_PREFERRED); 14871 } else if ("preferred-xml".equals(cmd)) { 14872 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14873 if (opti < args.length && "--full".equals(args[opti])) { 14874 fullPreferred = true; 14875 opti++; 14876 } 14877 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14878 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14879 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14880 dumpState.setDump(DumpState.DUMP_PACKAGES); 14881 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14882 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14883 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14884 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14885 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14886 dumpState.setDump(DumpState.DUMP_MESSAGES); 14887 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14888 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14889 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14890 || "intent-filter-verifiers".equals(cmd)) { 14891 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14892 } else if ("version".equals(cmd)) { 14893 dumpState.setDump(DumpState.DUMP_VERSION); 14894 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14895 dumpState.setDump(DumpState.DUMP_KEYSETS); 14896 } else if ("installs".equals(cmd)) { 14897 dumpState.setDump(DumpState.DUMP_INSTALLS); 14898 } else if ("write".equals(cmd)) { 14899 synchronized (mPackages) { 14900 mSettings.writeLPr(); 14901 pw.println("Settings written."); 14902 return; 14903 } 14904 } 14905 } 14906 14907 if (checkin) { 14908 pw.println("vers,1"); 14909 } 14910 14911 // reader 14912 synchronized (mPackages) { 14913 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14914 if (!checkin) { 14915 if (dumpState.onTitlePrinted()) 14916 pw.println(); 14917 pw.println("Database versions:"); 14918 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 14919 } 14920 } 14921 14922 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14923 if (!checkin) { 14924 if (dumpState.onTitlePrinted()) 14925 pw.println(); 14926 pw.println("Verifiers:"); 14927 pw.print(" Required: "); 14928 pw.print(mRequiredVerifierPackage); 14929 pw.print(" (uid="); 14930 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14931 pw.println(")"); 14932 } else if (mRequiredVerifierPackage != null) { 14933 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 14934 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 14935 } 14936 } 14937 14938 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 14939 packageName == null) { 14940 if (mIntentFilterVerifierComponent != null) { 14941 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 14942 if (!checkin) { 14943 if (dumpState.onTitlePrinted()) 14944 pw.println(); 14945 pw.println("Intent Filter Verifier:"); 14946 pw.print(" Using: "); 14947 pw.print(verifierPackageName); 14948 pw.print(" (uid="); 14949 pw.print(getPackageUid(verifierPackageName, 0)); 14950 pw.println(")"); 14951 } else if (verifierPackageName != null) { 14952 pw.print("ifv,"); pw.print(verifierPackageName); 14953 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 14954 } 14955 } else { 14956 pw.println(); 14957 pw.println("No Intent Filter Verifier available!"); 14958 } 14959 } 14960 14961 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 14962 boolean printedHeader = false; 14963 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 14964 while (it.hasNext()) { 14965 String name = it.next(); 14966 SharedLibraryEntry ent = mSharedLibraries.get(name); 14967 if (!checkin) { 14968 if (!printedHeader) { 14969 if (dumpState.onTitlePrinted()) 14970 pw.println(); 14971 pw.println("Libraries:"); 14972 printedHeader = true; 14973 } 14974 pw.print(" "); 14975 } else { 14976 pw.print("lib,"); 14977 } 14978 pw.print(name); 14979 if (!checkin) { 14980 pw.print(" -> "); 14981 } 14982 if (ent.path != null) { 14983 if (!checkin) { 14984 pw.print("(jar) "); 14985 pw.print(ent.path); 14986 } else { 14987 pw.print(",jar,"); 14988 pw.print(ent.path); 14989 } 14990 } else { 14991 if (!checkin) { 14992 pw.print("(apk) "); 14993 pw.print(ent.apk); 14994 } else { 14995 pw.print(",apk,"); 14996 pw.print(ent.apk); 14997 } 14998 } 14999 pw.println(); 15000 } 15001 } 15002 15003 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15004 if (dumpState.onTitlePrinted()) 15005 pw.println(); 15006 if (!checkin) { 15007 pw.println("Features:"); 15008 } 15009 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15010 while (it.hasNext()) { 15011 String name = it.next(); 15012 if (!checkin) { 15013 pw.print(" "); 15014 } else { 15015 pw.print("feat,"); 15016 } 15017 pw.println(name); 15018 } 15019 } 15020 15021 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15022 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15023 : "Activity Resolver Table:", " ", packageName, 15024 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15025 dumpState.setTitlePrinted(true); 15026 } 15027 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15028 : "Receiver Resolver Table:", " ", packageName, 15029 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15030 dumpState.setTitlePrinted(true); 15031 } 15032 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15033 : "Service Resolver Table:", " ", packageName, 15034 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15035 dumpState.setTitlePrinted(true); 15036 } 15037 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15038 : "Provider Resolver Table:", " ", packageName, 15039 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15040 dumpState.setTitlePrinted(true); 15041 } 15042 } 15043 15044 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15045 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15046 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15047 int user = mSettings.mPreferredActivities.keyAt(i); 15048 if (pir.dump(pw, 15049 dumpState.getTitlePrinted() 15050 ? "\nPreferred Activities User " + user + ":" 15051 : "Preferred Activities User " + user + ":", " ", 15052 packageName, true, false)) { 15053 dumpState.setTitlePrinted(true); 15054 } 15055 } 15056 } 15057 15058 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15059 pw.flush(); 15060 FileOutputStream fout = new FileOutputStream(fd); 15061 BufferedOutputStream str = new BufferedOutputStream(fout); 15062 XmlSerializer serializer = new FastXmlSerializer(); 15063 try { 15064 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15065 serializer.startDocument(null, true); 15066 serializer.setFeature( 15067 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15068 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15069 serializer.endDocument(); 15070 serializer.flush(); 15071 } catch (IllegalArgumentException e) { 15072 pw.println("Failed writing: " + e); 15073 } catch (IllegalStateException e) { 15074 pw.println("Failed writing: " + e); 15075 } catch (IOException e) { 15076 pw.println("Failed writing: " + e); 15077 } 15078 } 15079 15080 if (!checkin 15081 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15082 && packageName == null) { 15083 pw.println(); 15084 int count = mSettings.mPackages.size(); 15085 if (count == 0) { 15086 pw.println("No applications!"); 15087 pw.println(); 15088 } else { 15089 final String prefix = " "; 15090 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15091 if (allPackageSettings.size() == 0) { 15092 pw.println("No domain preferred apps!"); 15093 pw.println(); 15094 } else { 15095 pw.println("App verification status:"); 15096 pw.println(); 15097 count = 0; 15098 for (PackageSetting ps : allPackageSettings) { 15099 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15100 if (ivi == null || ivi.getPackageName() == null) continue; 15101 pw.println(prefix + "Package: " + ivi.getPackageName()); 15102 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15103 pw.println(prefix + "Status: " + ivi.getStatusString()); 15104 pw.println(); 15105 count++; 15106 } 15107 if (count == 0) { 15108 pw.println(prefix + "No app verification established."); 15109 pw.println(); 15110 } 15111 for (int userId : sUserManager.getUserIds()) { 15112 pw.println("App linkages for user " + userId + ":"); 15113 pw.println(); 15114 count = 0; 15115 for (PackageSetting ps : allPackageSettings) { 15116 final long status = ps.getDomainVerificationStatusForUser(userId); 15117 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15118 continue; 15119 } 15120 pw.println(prefix + "Package: " + ps.name); 15121 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15122 String statusStr = IntentFilterVerificationInfo. 15123 getStatusStringFromValue(status); 15124 pw.println(prefix + "Status: " + statusStr); 15125 pw.println(); 15126 count++; 15127 } 15128 if (count == 0) { 15129 pw.println(prefix + "No configured app linkages."); 15130 pw.println(); 15131 } 15132 } 15133 } 15134 } 15135 } 15136 15137 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15138 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15139 if (packageName == null && permissionNames == null) { 15140 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15141 if (iperm == 0) { 15142 if (dumpState.onTitlePrinted()) 15143 pw.println(); 15144 pw.println("AppOp Permissions:"); 15145 } 15146 pw.print(" AppOp Permission "); 15147 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15148 pw.println(":"); 15149 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15150 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15151 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15152 } 15153 } 15154 } 15155 } 15156 15157 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15158 boolean printedSomething = false; 15159 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15160 if (packageName != null && !packageName.equals(p.info.packageName)) { 15161 continue; 15162 } 15163 if (!printedSomething) { 15164 if (dumpState.onTitlePrinted()) 15165 pw.println(); 15166 pw.println("Registered ContentProviders:"); 15167 printedSomething = true; 15168 } 15169 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15170 pw.print(" "); pw.println(p.toString()); 15171 } 15172 printedSomething = false; 15173 for (Map.Entry<String, PackageParser.Provider> entry : 15174 mProvidersByAuthority.entrySet()) { 15175 PackageParser.Provider p = entry.getValue(); 15176 if (packageName != null && !packageName.equals(p.info.packageName)) { 15177 continue; 15178 } 15179 if (!printedSomething) { 15180 if (dumpState.onTitlePrinted()) 15181 pw.println(); 15182 pw.println("ContentProvider Authorities:"); 15183 printedSomething = true; 15184 } 15185 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15186 pw.print(" "); pw.println(p.toString()); 15187 if (p.info != null && p.info.applicationInfo != null) { 15188 final String appInfo = p.info.applicationInfo.toString(); 15189 pw.print(" applicationInfo="); pw.println(appInfo); 15190 } 15191 } 15192 } 15193 15194 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15195 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15196 } 15197 15198 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15199 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15200 } 15201 15202 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15203 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15204 } 15205 15206 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15207 // XXX should handle packageName != null by dumping only install data that 15208 // the given package is involved with. 15209 if (dumpState.onTitlePrinted()) pw.println(); 15210 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15211 } 15212 15213 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15214 if (dumpState.onTitlePrinted()) pw.println(); 15215 mSettings.dumpReadMessagesLPr(pw, dumpState); 15216 15217 pw.println(); 15218 pw.println("Package warning messages:"); 15219 BufferedReader in = null; 15220 String line = null; 15221 try { 15222 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15223 while ((line = in.readLine()) != null) { 15224 if (line.contains("ignored: updated version")) continue; 15225 pw.println(line); 15226 } 15227 } catch (IOException ignored) { 15228 } finally { 15229 IoUtils.closeQuietly(in); 15230 } 15231 } 15232 15233 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15234 BufferedReader in = null; 15235 String line = null; 15236 try { 15237 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15238 while ((line = in.readLine()) != null) { 15239 if (line.contains("ignored: updated version")) continue; 15240 pw.print("msg,"); 15241 pw.println(line); 15242 } 15243 } catch (IOException ignored) { 15244 } finally { 15245 IoUtils.closeQuietly(in); 15246 } 15247 } 15248 } 15249 } 15250 15251 private String dumpDomainString(String packageName) { 15252 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15253 List<IntentFilter> filters = getAllIntentFilters(packageName); 15254 15255 ArraySet<String> result = new ArraySet<>(); 15256 if (iviList.size() > 0) { 15257 for (IntentFilterVerificationInfo ivi : iviList) { 15258 for (String host : ivi.getDomains()) { 15259 result.add(host); 15260 } 15261 } 15262 } 15263 if (filters != null && filters.size() > 0) { 15264 for (IntentFilter filter : filters) { 15265 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15266 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15267 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15268 result.addAll(filter.getHostsList()); 15269 } 15270 } 15271 } 15272 15273 StringBuilder sb = new StringBuilder(result.size() * 16); 15274 for (String domain : result) { 15275 if (sb.length() > 0) sb.append(" "); 15276 sb.append(domain); 15277 } 15278 return sb.toString(); 15279 } 15280 15281 // ------- apps on sdcard specific code ------- 15282 static final boolean DEBUG_SD_INSTALL = false; 15283 15284 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15285 15286 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15287 15288 private boolean mMediaMounted = false; 15289 15290 static String getEncryptKey() { 15291 try { 15292 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15293 SD_ENCRYPTION_KEYSTORE_NAME); 15294 if (sdEncKey == null) { 15295 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15296 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15297 if (sdEncKey == null) { 15298 Slog.e(TAG, "Failed to create encryption keys"); 15299 return null; 15300 } 15301 } 15302 return sdEncKey; 15303 } catch (NoSuchAlgorithmException nsae) { 15304 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15305 return null; 15306 } catch (IOException ioe) { 15307 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15308 return null; 15309 } 15310 } 15311 15312 /* 15313 * Update media status on PackageManager. 15314 */ 15315 @Override 15316 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15317 int callingUid = Binder.getCallingUid(); 15318 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15319 throw new SecurityException("Media status can only be updated by the system"); 15320 } 15321 // reader; this apparently protects mMediaMounted, but should probably 15322 // be a different lock in that case. 15323 synchronized (mPackages) { 15324 Log.i(TAG, "Updating external media status from " 15325 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15326 + (mediaStatus ? "mounted" : "unmounted")); 15327 if (DEBUG_SD_INSTALL) 15328 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15329 + ", mMediaMounted=" + mMediaMounted); 15330 if (mediaStatus == mMediaMounted) { 15331 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15332 : 0, -1); 15333 mHandler.sendMessage(msg); 15334 return; 15335 } 15336 mMediaMounted = mediaStatus; 15337 } 15338 // Queue up an async operation since the package installation may take a 15339 // little while. 15340 mHandler.post(new Runnable() { 15341 public void run() { 15342 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15343 } 15344 }); 15345 } 15346 15347 /** 15348 * Called by MountService when the initial ASECs to scan are available. 15349 * Should block until all the ASEC containers are finished being scanned. 15350 */ 15351 public void scanAvailableAsecs() { 15352 updateExternalMediaStatusInner(true, false, false); 15353 if (mShouldRestoreconData) { 15354 SELinuxMMAC.setRestoreconDone(); 15355 mShouldRestoreconData = false; 15356 } 15357 } 15358 15359 /* 15360 * Collect information of applications on external media, map them against 15361 * existing containers and update information based on current mount status. 15362 * Please note that we always have to report status if reportStatus has been 15363 * set to true especially when unloading packages. 15364 */ 15365 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15366 boolean externalStorage) { 15367 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15368 int[] uidArr = EmptyArray.INT; 15369 15370 final String[] list = PackageHelper.getSecureContainerList(); 15371 if (ArrayUtils.isEmpty(list)) { 15372 Log.i(TAG, "No secure containers found"); 15373 } else { 15374 // Process list of secure containers and categorize them 15375 // as active or stale based on their package internal state. 15376 15377 // reader 15378 synchronized (mPackages) { 15379 for (String cid : list) { 15380 // Leave stages untouched for now; installer service owns them 15381 if (PackageInstallerService.isStageName(cid)) continue; 15382 15383 if (DEBUG_SD_INSTALL) 15384 Log.i(TAG, "Processing container " + cid); 15385 String pkgName = getAsecPackageName(cid); 15386 if (pkgName == null) { 15387 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15388 continue; 15389 } 15390 if (DEBUG_SD_INSTALL) 15391 Log.i(TAG, "Looking for pkg : " + pkgName); 15392 15393 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15394 if (ps == null) { 15395 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15396 continue; 15397 } 15398 15399 /* 15400 * Skip packages that are not external if we're unmounting 15401 * external storage. 15402 */ 15403 if (externalStorage && !isMounted && !isExternal(ps)) { 15404 continue; 15405 } 15406 15407 final AsecInstallArgs args = new AsecInstallArgs(cid, 15408 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15409 // The package status is changed only if the code path 15410 // matches between settings and the container id. 15411 if (ps.codePathString != null 15412 && ps.codePathString.startsWith(args.getCodePath())) { 15413 if (DEBUG_SD_INSTALL) { 15414 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15415 + " at code path: " + ps.codePathString); 15416 } 15417 15418 // We do have a valid package installed on sdcard 15419 processCids.put(args, ps.codePathString); 15420 final int uid = ps.appId; 15421 if (uid != -1) { 15422 uidArr = ArrayUtils.appendInt(uidArr, uid); 15423 } 15424 } else { 15425 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15426 + ps.codePathString); 15427 } 15428 } 15429 } 15430 15431 Arrays.sort(uidArr); 15432 } 15433 15434 // Process packages with valid entries. 15435 if (isMounted) { 15436 if (DEBUG_SD_INSTALL) 15437 Log.i(TAG, "Loading packages"); 15438 loadMediaPackages(processCids, uidArr); 15439 startCleaningPackages(); 15440 mInstallerService.onSecureContainersAvailable(); 15441 } else { 15442 if (DEBUG_SD_INSTALL) 15443 Log.i(TAG, "Unloading packages"); 15444 unloadMediaPackages(processCids, uidArr, reportStatus); 15445 } 15446 } 15447 15448 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15449 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15450 final int size = infos.size(); 15451 final String[] packageNames = new String[size]; 15452 final int[] packageUids = new int[size]; 15453 for (int i = 0; i < size; i++) { 15454 final ApplicationInfo info = infos.get(i); 15455 packageNames[i] = info.packageName; 15456 packageUids[i] = info.uid; 15457 } 15458 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15459 finishedReceiver); 15460 } 15461 15462 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15463 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15464 sendResourcesChangedBroadcast(mediaStatus, replacing, 15465 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15466 } 15467 15468 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15469 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15470 int size = pkgList.length; 15471 if (size > 0) { 15472 // Send broadcasts here 15473 Bundle extras = new Bundle(); 15474 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15475 if (uidArr != null) { 15476 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15477 } 15478 if (replacing) { 15479 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15480 } 15481 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15482 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15483 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15484 } 15485 } 15486 15487 /* 15488 * Look at potentially valid container ids from processCids If package 15489 * information doesn't match the one on record or package scanning fails, 15490 * the cid is added to list of removeCids. We currently don't delete stale 15491 * containers. 15492 */ 15493 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15494 ArrayList<String> pkgList = new ArrayList<String>(); 15495 Set<AsecInstallArgs> keys = processCids.keySet(); 15496 15497 for (AsecInstallArgs args : keys) { 15498 String codePath = processCids.get(args); 15499 if (DEBUG_SD_INSTALL) 15500 Log.i(TAG, "Loading container : " + args.cid); 15501 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15502 try { 15503 // Make sure there are no container errors first. 15504 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15505 Slog.e(TAG, "Failed to mount cid : " + args.cid 15506 + " when installing from sdcard"); 15507 continue; 15508 } 15509 // Check code path here. 15510 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15511 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15512 + " does not match one in settings " + codePath); 15513 continue; 15514 } 15515 // Parse package 15516 int parseFlags = mDefParseFlags; 15517 if (args.isExternalAsec()) { 15518 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15519 } 15520 if (args.isFwdLocked()) { 15521 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15522 } 15523 15524 synchronized (mInstallLock) { 15525 PackageParser.Package pkg = null; 15526 try { 15527 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15528 } catch (PackageManagerException e) { 15529 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15530 } 15531 // Scan the package 15532 if (pkg != null) { 15533 /* 15534 * TODO why is the lock being held? doPostInstall is 15535 * called in other places without the lock. This needs 15536 * to be straightened out. 15537 */ 15538 // writer 15539 synchronized (mPackages) { 15540 retCode = PackageManager.INSTALL_SUCCEEDED; 15541 pkgList.add(pkg.packageName); 15542 // Post process args 15543 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15544 pkg.applicationInfo.uid); 15545 } 15546 } else { 15547 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15548 } 15549 } 15550 15551 } finally { 15552 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15553 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15554 } 15555 } 15556 } 15557 // writer 15558 synchronized (mPackages) { 15559 // If the platform SDK has changed since the last time we booted, 15560 // we need to re-grant app permission to catch any new ones that 15561 // appear. This is really a hack, and means that apps can in some 15562 // cases get permissions that the user didn't initially explicitly 15563 // allow... it would be nice to have some better way to handle 15564 // this situation. 15565 final VersionInfo ver = mSettings.getExternalVersion(); 15566 15567 int updateFlags = UPDATE_PERMISSIONS_ALL; 15568 if (ver.sdkVersion != mSdkVersion) { 15569 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15570 + mSdkVersion + "; regranting permissions for external"); 15571 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15572 } 15573 updatePermissionsLPw(null, null, updateFlags); 15574 15575 // Yay, everything is now upgraded 15576 ver.forceCurrent(); 15577 15578 // can downgrade to reader 15579 // Persist settings 15580 mSettings.writeLPr(); 15581 } 15582 // Send a broadcast to let everyone know we are done processing 15583 if (pkgList.size() > 0) { 15584 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15585 } 15586 } 15587 15588 /* 15589 * Utility method to unload a list of specified containers 15590 */ 15591 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15592 // Just unmount all valid containers. 15593 for (AsecInstallArgs arg : cidArgs) { 15594 synchronized (mInstallLock) { 15595 arg.doPostDeleteLI(false); 15596 } 15597 } 15598 } 15599 15600 /* 15601 * Unload packages mounted on external media. This involves deleting package 15602 * data from internal structures, sending broadcasts about diabled packages, 15603 * gc'ing to free up references, unmounting all secure containers 15604 * corresponding to packages on external media, and posting a 15605 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15606 * that we always have to post this message if status has been requested no 15607 * matter what. 15608 */ 15609 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15610 final boolean reportStatus) { 15611 if (DEBUG_SD_INSTALL) 15612 Log.i(TAG, "unloading media packages"); 15613 ArrayList<String> pkgList = new ArrayList<String>(); 15614 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15615 final Set<AsecInstallArgs> keys = processCids.keySet(); 15616 for (AsecInstallArgs args : keys) { 15617 String pkgName = args.getPackageName(); 15618 if (DEBUG_SD_INSTALL) 15619 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15620 // Delete package internally 15621 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15622 synchronized (mInstallLock) { 15623 boolean res = deletePackageLI(pkgName, null, false, null, null, 15624 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15625 if (res) { 15626 pkgList.add(pkgName); 15627 } else { 15628 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15629 failedList.add(args); 15630 } 15631 } 15632 } 15633 15634 // reader 15635 synchronized (mPackages) { 15636 // We didn't update the settings after removing each package; 15637 // write them now for all packages. 15638 mSettings.writeLPr(); 15639 } 15640 15641 // We have to absolutely send UPDATED_MEDIA_STATUS only 15642 // after confirming that all the receivers processed the ordered 15643 // broadcast when packages get disabled, force a gc to clean things up. 15644 // and unload all the containers. 15645 if (pkgList.size() > 0) { 15646 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15647 new IIntentReceiver.Stub() { 15648 public void performReceive(Intent intent, int resultCode, String data, 15649 Bundle extras, boolean ordered, boolean sticky, 15650 int sendingUser) throws RemoteException { 15651 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15652 reportStatus ? 1 : 0, 1, keys); 15653 mHandler.sendMessage(msg); 15654 } 15655 }); 15656 } else { 15657 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15658 keys); 15659 mHandler.sendMessage(msg); 15660 } 15661 } 15662 15663 private void loadPrivatePackages(VolumeInfo vol) { 15664 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15665 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15666 synchronized (mInstallLock) { 15667 synchronized (mPackages) { 15668 final VersionInfo ver = mSettings.findOrCreateVersion(vol.fsUuid); 15669 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15670 for (PackageSetting ps : packages) { 15671 final PackageParser.Package pkg; 15672 try { 15673 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15674 loaded.add(pkg.applicationInfo); 15675 } catch (PackageManagerException e) { 15676 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15677 } 15678 15679 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15680 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15681 } 15682 } 15683 15684 int updateFlags = UPDATE_PERMISSIONS_ALL; 15685 if (ver.sdkVersion != mSdkVersion) { 15686 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15687 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15688 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15689 } 15690 updatePermissionsLPw(null, null, updateFlags); 15691 15692 // Yay, everything is now upgraded 15693 ver.forceCurrent(); 15694 15695 mSettings.writeLPr(); 15696 } 15697 } 15698 15699 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15700 sendResourcesChangedBroadcast(true, false, loaded, null); 15701 } 15702 15703 private void unloadPrivatePackages(VolumeInfo vol) { 15704 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15705 synchronized (mInstallLock) { 15706 synchronized (mPackages) { 15707 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15708 for (PackageSetting ps : packages) { 15709 if (ps.pkg == null) continue; 15710 15711 final ApplicationInfo info = ps.pkg.applicationInfo; 15712 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15713 if (deletePackageLI(ps.name, null, false, null, null, 15714 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15715 unloaded.add(info); 15716 } else { 15717 Slog.w(TAG, "Failed to unload " + ps.codePath); 15718 } 15719 } 15720 15721 mSettings.writeLPr(); 15722 } 15723 } 15724 15725 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15726 sendResourcesChangedBroadcast(false, false, unloaded, null); 15727 } 15728 15729 /** 15730 * Examine all users present on given mounted volume, and destroy data 15731 * belonging to users that are no longer valid, or whose user ID has been 15732 * recycled. 15733 */ 15734 private void reconcileUsers(String volumeUuid) { 15735 final File[] files = FileUtils 15736 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15737 for (File file : files) { 15738 if (!file.isDirectory()) continue; 15739 15740 final int userId; 15741 final UserInfo info; 15742 try { 15743 userId = Integer.parseInt(file.getName()); 15744 info = sUserManager.getUserInfo(userId); 15745 } catch (NumberFormatException e) { 15746 Slog.w(TAG, "Invalid user directory " + file); 15747 continue; 15748 } 15749 15750 boolean destroyUser = false; 15751 if (info == null) { 15752 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15753 + " because no matching user was found"); 15754 destroyUser = true; 15755 } else { 15756 try { 15757 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15758 } catch (IOException e) { 15759 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15760 + " because we failed to enforce serial number: " + e); 15761 destroyUser = true; 15762 } 15763 } 15764 15765 if (destroyUser) { 15766 synchronized (mInstallLock) { 15767 mInstaller.removeUserDataDirs(volumeUuid, userId); 15768 } 15769 } 15770 } 15771 15772 final UserManager um = mContext.getSystemService(UserManager.class); 15773 for (UserInfo user : um.getUsers()) { 15774 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15775 if (userDir.exists()) continue; 15776 15777 try { 15778 UserManagerService.prepareUserDirectory(userDir); 15779 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15780 } catch (IOException e) { 15781 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15782 } 15783 } 15784 } 15785 15786 /** 15787 * Examine all apps present on given mounted volume, and destroy apps that 15788 * aren't expected, either due to uninstallation or reinstallation on 15789 * another volume. 15790 */ 15791 private void reconcileApps(String volumeUuid) { 15792 final File[] files = FileUtils 15793 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15794 for (File file : files) { 15795 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15796 && !PackageInstallerService.isStageName(file.getName()); 15797 if (!isPackage) { 15798 // Ignore entries which are not packages 15799 continue; 15800 } 15801 15802 boolean destroyApp = false; 15803 String packageName = null; 15804 try { 15805 final PackageLite pkg = PackageParser.parsePackageLite(file, 15806 PackageParser.PARSE_MUST_BE_APK); 15807 packageName = pkg.packageName; 15808 15809 synchronized (mPackages) { 15810 final PackageSetting ps = mSettings.mPackages.get(packageName); 15811 if (ps == null) { 15812 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15813 + volumeUuid + " because we found no install record"); 15814 destroyApp = true; 15815 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15816 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15817 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15818 destroyApp = true; 15819 } 15820 } 15821 15822 } catch (PackageParserException e) { 15823 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15824 destroyApp = true; 15825 } 15826 15827 if (destroyApp) { 15828 synchronized (mInstallLock) { 15829 if (packageName != null) { 15830 removeDataDirsLI(volumeUuid, packageName); 15831 } 15832 if (file.isDirectory()) { 15833 mInstaller.rmPackageDir(file.getAbsolutePath()); 15834 } else { 15835 file.delete(); 15836 } 15837 } 15838 } 15839 } 15840 } 15841 15842 private void unfreezePackage(String packageName) { 15843 synchronized (mPackages) { 15844 final PackageSetting ps = mSettings.mPackages.get(packageName); 15845 if (ps != null) { 15846 ps.frozen = false; 15847 } 15848 } 15849 } 15850 15851 @Override 15852 public int movePackage(final String packageName, final String volumeUuid) { 15853 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15854 15855 final int moveId = mNextMoveId.getAndIncrement(); 15856 try { 15857 movePackageInternal(packageName, volumeUuid, moveId); 15858 } catch (PackageManagerException e) { 15859 Slog.w(TAG, "Failed to move " + packageName, e); 15860 mMoveCallbacks.notifyStatusChanged(moveId, 15861 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15862 } 15863 return moveId; 15864 } 15865 15866 private void movePackageInternal(final String packageName, final String volumeUuid, 15867 final int moveId) throws PackageManagerException { 15868 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15869 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15870 final PackageManager pm = mContext.getPackageManager(); 15871 15872 final boolean currentAsec; 15873 final String currentVolumeUuid; 15874 final File codeFile; 15875 final String installerPackageName; 15876 final String packageAbiOverride; 15877 final int appId; 15878 final String seinfo; 15879 final String label; 15880 15881 // reader 15882 synchronized (mPackages) { 15883 final PackageParser.Package pkg = mPackages.get(packageName); 15884 final PackageSetting ps = mSettings.mPackages.get(packageName); 15885 if (pkg == null || ps == null) { 15886 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15887 } 15888 15889 if (pkg.applicationInfo.isSystemApp()) { 15890 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15891 "Cannot move system application"); 15892 } 15893 15894 if (pkg.applicationInfo.isExternalAsec()) { 15895 currentAsec = true; 15896 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 15897 } else if (pkg.applicationInfo.isForwardLocked()) { 15898 currentAsec = true; 15899 currentVolumeUuid = "forward_locked"; 15900 } else { 15901 currentAsec = false; 15902 currentVolumeUuid = ps.volumeUuid; 15903 15904 final File probe = new File(pkg.codePath); 15905 final File probeOat = new File(probe, "oat"); 15906 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15907 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15908 "Move only supported for modern cluster style installs"); 15909 } 15910 } 15911 15912 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 15913 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15914 "Package already moved to " + volumeUuid); 15915 } 15916 15917 if (ps.frozen) { 15918 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 15919 "Failed to move already frozen package"); 15920 } 15921 ps.frozen = true; 15922 15923 codeFile = new File(pkg.codePath); 15924 installerPackageName = ps.installerPackageName; 15925 packageAbiOverride = ps.cpuAbiOverrideString; 15926 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15927 seinfo = pkg.applicationInfo.seinfo; 15928 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 15929 } 15930 15931 // Now that we're guarded by frozen state, kill app during move 15932 final long token = Binder.clearCallingIdentity(); 15933 try { 15934 killApplication(packageName, appId, "move pkg"); 15935 } finally { 15936 Binder.restoreCallingIdentity(token); 15937 } 15938 15939 final Bundle extras = new Bundle(); 15940 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 15941 extras.putString(Intent.EXTRA_TITLE, label); 15942 mMoveCallbacks.notifyCreated(moveId, extras); 15943 15944 int installFlags; 15945 final boolean moveCompleteApp; 15946 final File measurePath; 15947 15948 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 15949 installFlags = INSTALL_INTERNAL; 15950 moveCompleteApp = !currentAsec; 15951 measurePath = Environment.getDataAppDirectory(volumeUuid); 15952 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 15953 installFlags = INSTALL_EXTERNAL; 15954 moveCompleteApp = false; 15955 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 15956 } else { 15957 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 15958 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 15959 || !volume.isMountedWritable()) { 15960 unfreezePackage(packageName); 15961 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15962 "Move location not mounted private volume"); 15963 } 15964 15965 Preconditions.checkState(!currentAsec); 15966 15967 installFlags = INSTALL_INTERNAL; 15968 moveCompleteApp = true; 15969 measurePath = Environment.getDataAppDirectory(volumeUuid); 15970 } 15971 15972 final PackageStats stats = new PackageStats(null, -1); 15973 synchronized (mInstaller) { 15974 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 15975 unfreezePackage(packageName); 15976 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15977 "Failed to measure package size"); 15978 } 15979 } 15980 15981 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 15982 + stats.dataSize); 15983 15984 final long startFreeBytes = measurePath.getFreeSpace(); 15985 final long sizeBytes; 15986 if (moveCompleteApp) { 15987 sizeBytes = stats.codeSize + stats.dataSize; 15988 } else { 15989 sizeBytes = stats.codeSize; 15990 } 15991 15992 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 15993 unfreezePackage(packageName); 15994 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15995 "Not enough free space to move"); 15996 } 15997 15998 mMoveCallbacks.notifyStatusChanged(moveId, 10); 15999 16000 final CountDownLatch installedLatch = new CountDownLatch(1); 16001 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16002 @Override 16003 public void onUserActionRequired(Intent intent) throws RemoteException { 16004 throw new IllegalStateException(); 16005 } 16006 16007 @Override 16008 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16009 Bundle extras) throws RemoteException { 16010 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16011 + PackageManager.installStatusToString(returnCode, msg)); 16012 16013 installedLatch.countDown(); 16014 16015 // Regardless of success or failure of the move operation, 16016 // always unfreeze the package 16017 unfreezePackage(packageName); 16018 16019 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16020 switch (status) { 16021 case PackageInstaller.STATUS_SUCCESS: 16022 mMoveCallbacks.notifyStatusChanged(moveId, 16023 PackageManager.MOVE_SUCCEEDED); 16024 break; 16025 case PackageInstaller.STATUS_FAILURE_STORAGE: 16026 mMoveCallbacks.notifyStatusChanged(moveId, 16027 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16028 break; 16029 default: 16030 mMoveCallbacks.notifyStatusChanged(moveId, 16031 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16032 break; 16033 } 16034 } 16035 }; 16036 16037 final MoveInfo move; 16038 if (moveCompleteApp) { 16039 // Kick off a thread to report progress estimates 16040 new Thread() { 16041 @Override 16042 public void run() { 16043 while (true) { 16044 try { 16045 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16046 break; 16047 } 16048 } catch (InterruptedException ignored) { 16049 } 16050 16051 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16052 final int progress = 10 + (int) MathUtils.constrain( 16053 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16054 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16055 } 16056 } 16057 }.start(); 16058 16059 final String dataAppName = codeFile.getName(); 16060 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16061 dataAppName, appId, seinfo); 16062 } else { 16063 move = null; 16064 } 16065 16066 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16067 16068 final Message msg = mHandler.obtainMessage(INIT_COPY); 16069 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16070 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 16071 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16072 mHandler.sendMessage(msg); 16073 } 16074 16075 @Override 16076 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16077 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16078 16079 final int realMoveId = mNextMoveId.getAndIncrement(); 16080 final Bundle extras = new Bundle(); 16081 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16082 mMoveCallbacks.notifyCreated(realMoveId, extras); 16083 16084 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16085 @Override 16086 public void onCreated(int moveId, Bundle extras) { 16087 // Ignored 16088 } 16089 16090 @Override 16091 public void onStatusChanged(int moveId, int status, long estMillis) { 16092 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16093 } 16094 }; 16095 16096 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16097 storage.setPrimaryStorageUuid(volumeUuid, callback); 16098 return realMoveId; 16099 } 16100 16101 @Override 16102 public int getMoveStatus(int moveId) { 16103 mContext.enforceCallingOrSelfPermission( 16104 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16105 return mMoveCallbacks.mLastStatus.get(moveId); 16106 } 16107 16108 @Override 16109 public void registerMoveCallback(IPackageMoveObserver callback) { 16110 mContext.enforceCallingOrSelfPermission( 16111 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16112 mMoveCallbacks.register(callback); 16113 } 16114 16115 @Override 16116 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16117 mContext.enforceCallingOrSelfPermission( 16118 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16119 mMoveCallbacks.unregister(callback); 16120 } 16121 16122 @Override 16123 public boolean setInstallLocation(int loc) { 16124 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16125 null); 16126 if (getInstallLocation() == loc) { 16127 return true; 16128 } 16129 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16130 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16131 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16132 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16133 return true; 16134 } 16135 return false; 16136 } 16137 16138 @Override 16139 public int getInstallLocation() { 16140 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16141 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16142 PackageHelper.APP_INSTALL_AUTO); 16143 } 16144 16145 /** Called by UserManagerService */ 16146 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16147 mDirtyUsers.remove(userHandle); 16148 mSettings.removeUserLPw(userHandle); 16149 mPendingBroadcasts.remove(userHandle); 16150 if (mInstaller != null) { 16151 // Technically, we shouldn't be doing this with the package lock 16152 // held. However, this is very rare, and there is already so much 16153 // other disk I/O going on, that we'll let it slide for now. 16154 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16155 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16156 final String volumeUuid = vol.getFsUuid(); 16157 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16158 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16159 } 16160 } 16161 mUserNeedsBadging.delete(userHandle); 16162 removeUnusedPackagesLILPw(userManager, userHandle); 16163 } 16164 16165 /** 16166 * We're removing userHandle and would like to remove any downloaded packages 16167 * that are no longer in use by any other user. 16168 * @param userHandle the user being removed 16169 */ 16170 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16171 final boolean DEBUG_CLEAN_APKS = false; 16172 int [] users = userManager.getUserIdsLPr(); 16173 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16174 while (psit.hasNext()) { 16175 PackageSetting ps = psit.next(); 16176 if (ps.pkg == null) { 16177 continue; 16178 } 16179 final String packageName = ps.pkg.packageName; 16180 // Skip over if system app 16181 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16182 continue; 16183 } 16184 if (DEBUG_CLEAN_APKS) { 16185 Slog.i(TAG, "Checking package " + packageName); 16186 } 16187 boolean keep = false; 16188 for (int i = 0; i < users.length; i++) { 16189 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16190 keep = true; 16191 if (DEBUG_CLEAN_APKS) { 16192 Slog.i(TAG, " Keeping package " + packageName + " for user " 16193 + users[i]); 16194 } 16195 break; 16196 } 16197 } 16198 if (!keep) { 16199 if (DEBUG_CLEAN_APKS) { 16200 Slog.i(TAG, " Removing package " + packageName); 16201 } 16202 mHandler.post(new Runnable() { 16203 public void run() { 16204 deletePackageX(packageName, userHandle, 0); 16205 } //end run 16206 }); 16207 } 16208 } 16209 } 16210 16211 /** Called by UserManagerService */ 16212 void createNewUserLILPw(int userHandle) { 16213 if (mInstaller != null) { 16214 mInstaller.createUserConfig(userHandle); 16215 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16216 applyFactoryDefaultBrowserLPw(userHandle); 16217 primeDomainVerificationsLPw(userHandle); 16218 } 16219 } 16220 16221 void newUserCreated(final int userHandle) { 16222 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16223 } 16224 16225 @Override 16226 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16227 mContext.enforceCallingOrSelfPermission( 16228 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16229 "Only package verification agents can read the verifier device identity"); 16230 16231 synchronized (mPackages) { 16232 return mSettings.getVerifierDeviceIdentityLPw(); 16233 } 16234 } 16235 16236 @Override 16237 public void setPermissionEnforced(String permission, boolean enforced) { 16238 // TODO: Now that we no longer change GID for storage, this should to away. 16239 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16240 "setPermissionEnforced"); 16241 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16242 synchronized (mPackages) { 16243 if (mSettings.mReadExternalStorageEnforced == null 16244 || mSettings.mReadExternalStorageEnforced != enforced) { 16245 mSettings.mReadExternalStorageEnforced = enforced; 16246 mSettings.writeLPr(); 16247 } 16248 } 16249 // kill any non-foreground processes so we restart them and 16250 // grant/revoke the GID. 16251 final IActivityManager am = ActivityManagerNative.getDefault(); 16252 if (am != null) { 16253 final long token = Binder.clearCallingIdentity(); 16254 try { 16255 am.killProcessesBelowForeground("setPermissionEnforcement"); 16256 } catch (RemoteException e) { 16257 } finally { 16258 Binder.restoreCallingIdentity(token); 16259 } 16260 } 16261 } else { 16262 throw new IllegalArgumentException("No selective enforcement for " + permission); 16263 } 16264 } 16265 16266 @Override 16267 @Deprecated 16268 public boolean isPermissionEnforced(String permission) { 16269 return true; 16270 } 16271 16272 @Override 16273 public boolean isStorageLow() { 16274 final long token = Binder.clearCallingIdentity(); 16275 try { 16276 final DeviceStorageMonitorInternal 16277 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16278 if (dsm != null) { 16279 return dsm.isMemoryLow(); 16280 } else { 16281 return false; 16282 } 16283 } finally { 16284 Binder.restoreCallingIdentity(token); 16285 } 16286 } 16287 16288 @Override 16289 public IPackageInstaller getPackageInstaller() { 16290 return mInstallerService; 16291 } 16292 16293 private boolean userNeedsBadging(int userId) { 16294 int index = mUserNeedsBadging.indexOfKey(userId); 16295 if (index < 0) { 16296 final UserInfo userInfo; 16297 final long token = Binder.clearCallingIdentity(); 16298 try { 16299 userInfo = sUserManager.getUserInfo(userId); 16300 } finally { 16301 Binder.restoreCallingIdentity(token); 16302 } 16303 final boolean b; 16304 if (userInfo != null && userInfo.isManagedProfile()) { 16305 b = true; 16306 } else { 16307 b = false; 16308 } 16309 mUserNeedsBadging.put(userId, b); 16310 return b; 16311 } 16312 return mUserNeedsBadging.valueAt(index); 16313 } 16314 16315 @Override 16316 public KeySet getKeySetByAlias(String packageName, String alias) { 16317 if (packageName == null || alias == null) { 16318 return null; 16319 } 16320 synchronized(mPackages) { 16321 final PackageParser.Package pkg = mPackages.get(packageName); 16322 if (pkg == null) { 16323 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16324 throw new IllegalArgumentException("Unknown package: " + packageName); 16325 } 16326 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16327 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16328 } 16329 } 16330 16331 @Override 16332 public KeySet getSigningKeySet(String packageName) { 16333 if (packageName == null) { 16334 return null; 16335 } 16336 synchronized(mPackages) { 16337 final PackageParser.Package pkg = mPackages.get(packageName); 16338 if (pkg == null) { 16339 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16340 throw new IllegalArgumentException("Unknown package: " + packageName); 16341 } 16342 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16343 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16344 throw new SecurityException("May not access signing KeySet of other apps."); 16345 } 16346 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16347 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16348 } 16349 } 16350 16351 @Override 16352 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16353 if (packageName == null || ks == null) { 16354 return false; 16355 } 16356 synchronized(mPackages) { 16357 final PackageParser.Package pkg = mPackages.get(packageName); 16358 if (pkg == null) { 16359 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16360 throw new IllegalArgumentException("Unknown package: " + packageName); 16361 } 16362 IBinder ksh = ks.getToken(); 16363 if (ksh instanceof KeySetHandle) { 16364 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16365 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16366 } 16367 return false; 16368 } 16369 } 16370 16371 @Override 16372 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16373 if (packageName == null || ks == null) { 16374 return false; 16375 } 16376 synchronized(mPackages) { 16377 final PackageParser.Package pkg = mPackages.get(packageName); 16378 if (pkg == null) { 16379 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16380 throw new IllegalArgumentException("Unknown package: " + packageName); 16381 } 16382 IBinder ksh = ks.getToken(); 16383 if (ksh instanceof KeySetHandle) { 16384 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16385 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16386 } 16387 return false; 16388 } 16389 } 16390 16391 public void getUsageStatsIfNoPackageUsageInfo() { 16392 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16393 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16394 if (usm == null) { 16395 throw new IllegalStateException("UsageStatsManager must be initialized"); 16396 } 16397 long now = System.currentTimeMillis(); 16398 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16399 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16400 String packageName = entry.getKey(); 16401 PackageParser.Package pkg = mPackages.get(packageName); 16402 if (pkg == null) { 16403 continue; 16404 } 16405 UsageStats usage = entry.getValue(); 16406 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16407 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16408 } 16409 } 16410 } 16411 16412 /** 16413 * Check and throw if the given before/after packages would be considered a 16414 * downgrade. 16415 */ 16416 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16417 throws PackageManagerException { 16418 if (after.versionCode < before.mVersionCode) { 16419 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16420 "Update version code " + after.versionCode + " is older than current " 16421 + before.mVersionCode); 16422 } else if (after.versionCode == before.mVersionCode) { 16423 if (after.baseRevisionCode < before.baseRevisionCode) { 16424 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16425 "Update base revision code " + after.baseRevisionCode 16426 + " is older than current " + before.baseRevisionCode); 16427 } 16428 16429 if (!ArrayUtils.isEmpty(after.splitNames)) { 16430 for (int i = 0; i < after.splitNames.length; i++) { 16431 final String splitName = after.splitNames[i]; 16432 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16433 if (j != -1) { 16434 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16435 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16436 "Update split " + splitName + " revision code " 16437 + after.splitRevisionCodes[i] + " is older than current " 16438 + before.splitRevisionCodes[j]); 16439 } 16440 } 16441 } 16442 } 16443 } 16444 } 16445 16446 private static class MoveCallbacks extends Handler { 16447 private static final int MSG_CREATED = 1; 16448 private static final int MSG_STATUS_CHANGED = 2; 16449 16450 private final RemoteCallbackList<IPackageMoveObserver> 16451 mCallbacks = new RemoteCallbackList<>(); 16452 16453 private final SparseIntArray mLastStatus = new SparseIntArray(); 16454 16455 public MoveCallbacks(Looper looper) { 16456 super(looper); 16457 } 16458 16459 public void register(IPackageMoveObserver callback) { 16460 mCallbacks.register(callback); 16461 } 16462 16463 public void unregister(IPackageMoveObserver callback) { 16464 mCallbacks.unregister(callback); 16465 } 16466 16467 @Override 16468 public void handleMessage(Message msg) { 16469 final SomeArgs args = (SomeArgs) msg.obj; 16470 final int n = mCallbacks.beginBroadcast(); 16471 for (int i = 0; i < n; i++) { 16472 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16473 try { 16474 invokeCallback(callback, msg.what, args); 16475 } catch (RemoteException ignored) { 16476 } 16477 } 16478 mCallbacks.finishBroadcast(); 16479 args.recycle(); 16480 } 16481 16482 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16483 throws RemoteException { 16484 switch (what) { 16485 case MSG_CREATED: { 16486 callback.onCreated(args.argi1, (Bundle) args.arg2); 16487 break; 16488 } 16489 case MSG_STATUS_CHANGED: { 16490 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16491 break; 16492 } 16493 } 16494 } 16495 16496 private void notifyCreated(int moveId, Bundle extras) { 16497 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16498 16499 final SomeArgs args = SomeArgs.obtain(); 16500 args.argi1 = moveId; 16501 args.arg2 = extras; 16502 obtainMessage(MSG_CREATED, args).sendToTarget(); 16503 } 16504 16505 private void notifyStatusChanged(int moveId, int status) { 16506 notifyStatusChanged(moveId, status, -1); 16507 } 16508 16509 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16510 Slog.v(TAG, "Move " + moveId + " status " + status); 16511 16512 final SomeArgs args = SomeArgs.obtain(); 16513 args.argi1 = moveId; 16514 args.argi2 = status; 16515 args.arg3 = estMillis; 16516 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16517 16518 synchronized (mLastStatus) { 16519 mLastStatus.put(moveId, status); 16520 } 16521 } 16522 } 16523 16524 private final class OnPermissionChangeListeners extends Handler { 16525 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16526 16527 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16528 new RemoteCallbackList<>(); 16529 16530 public OnPermissionChangeListeners(Looper looper) { 16531 super(looper); 16532 } 16533 16534 @Override 16535 public void handleMessage(Message msg) { 16536 switch (msg.what) { 16537 case MSG_ON_PERMISSIONS_CHANGED: { 16538 final int uid = msg.arg1; 16539 handleOnPermissionsChanged(uid); 16540 } break; 16541 } 16542 } 16543 16544 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16545 mPermissionListeners.register(listener); 16546 16547 } 16548 16549 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16550 mPermissionListeners.unregister(listener); 16551 } 16552 16553 public void onPermissionsChanged(int uid) { 16554 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16555 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16556 } 16557 } 16558 16559 private void handleOnPermissionsChanged(int uid) { 16560 final int count = mPermissionListeners.beginBroadcast(); 16561 try { 16562 for (int i = 0; i < count; i++) { 16563 IOnPermissionsChangeListener callback = mPermissionListeners 16564 .getBroadcastItem(i); 16565 try { 16566 callback.onPermissionsChanged(uid); 16567 } catch (RemoteException e) { 16568 Log.e(TAG, "Permission listener is dead", e); 16569 } 16570 } 16571 } finally { 16572 mPermissionListeners.finishBroadcast(); 16573 } 16574 } 16575 } 16576 16577 private class PackageManagerInternalImpl extends PackageManagerInternal { 16578 @Override 16579 public void setLocationPackagesProvider(PackagesProvider provider) { 16580 synchronized (mPackages) { 16581 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16582 } 16583 } 16584 16585 @Override 16586 public void setImePackagesProvider(PackagesProvider provider) { 16587 synchronized (mPackages) { 16588 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16589 } 16590 } 16591 16592 @Override 16593 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16594 synchronized (mPackages) { 16595 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16596 } 16597 } 16598 16599 @Override 16600 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16601 synchronized (mPackages) { 16602 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16603 } 16604 } 16605 16606 @Override 16607 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16608 synchronized (mPackages) { 16609 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16610 } 16611 } 16612 16613 @Override 16614 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16615 synchronized (mPackages) { 16616 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16617 } 16618 } 16619 16620 @Override 16621 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16622 synchronized (mPackages) { 16623 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16624 } 16625 } 16626 16627 @Override 16628 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16629 synchronized (mPackages) { 16630 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16631 packageName, userId); 16632 } 16633 } 16634 16635 @Override 16636 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16637 synchronized (mPackages) { 16638 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16639 packageName, userId); 16640 } 16641 } 16642 @Override 16643 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16644 synchronized (mPackages) { 16645 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16646 packageName, userId); 16647 } 16648 } 16649 } 16650 16651 @Override 16652 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16653 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16654 synchronized (mPackages) { 16655 final long identity = Binder.clearCallingIdentity(); 16656 try { 16657 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16658 packageNames, userId); 16659 } finally { 16660 Binder.restoreCallingIdentity(identity); 16661 } 16662 } 16663 } 16664 16665 private static void enforceSystemOrPhoneCaller(String tag) { 16666 int callingUid = Binder.getCallingUid(); 16667 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16668 throw new SecurityException( 16669 "Cannot call " + tag + " from UID " + callingUid); 16670 } 16671 } 16672} 16673