PackageManagerService.java revision 01af6a42a6a008d4b208a92510537791b261168c
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 synchronized (mPackages) { 1717 for (String permission : pkg.requestedPermissions) { 1718 BasePermission bp = mSettings.mPermissions.get(permission); 1719 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1720 && (grantedPermissions == null 1721 || ArrayUtils.contains(grantedPermissions, permission))) { 1722 grantRuntimePermission(pkg.packageName, permission, userId); 1723 } 1724 } 1725 } 1726 } 1727 1728 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1729 Bundle extras = null; 1730 switch (res.returnCode) { 1731 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1732 extras = new Bundle(); 1733 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1734 res.origPermission); 1735 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1736 res.origPackage); 1737 break; 1738 } 1739 case PackageManager.INSTALL_SUCCEEDED: { 1740 extras = new Bundle(); 1741 extras.putBoolean(Intent.EXTRA_REPLACING, 1742 res.removedInfo != null && res.removedInfo.removedPackage != null); 1743 break; 1744 } 1745 } 1746 return extras; 1747 } 1748 1749 void scheduleWriteSettingsLocked() { 1750 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1751 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1752 } 1753 } 1754 1755 void scheduleWritePackageRestrictionsLocked(int userId) { 1756 if (!sUserManager.exists(userId)) return; 1757 mDirtyUsers.add(userId); 1758 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1759 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1760 } 1761 } 1762 1763 public static PackageManagerService main(Context context, Installer installer, 1764 boolean factoryTest, boolean onlyCore) { 1765 PackageManagerService m = new PackageManagerService(context, installer, 1766 factoryTest, onlyCore); 1767 ServiceManager.addService("package", m); 1768 return m; 1769 } 1770 1771 static String[] splitString(String str, char sep) { 1772 int count = 1; 1773 int i = 0; 1774 while ((i=str.indexOf(sep, i)) >= 0) { 1775 count++; 1776 i++; 1777 } 1778 1779 String[] res = new String[count]; 1780 i=0; 1781 count = 0; 1782 int lastI=0; 1783 while ((i=str.indexOf(sep, i)) >= 0) { 1784 res[count] = str.substring(lastI, i); 1785 count++; 1786 i++; 1787 lastI = i; 1788 } 1789 res[count] = str.substring(lastI, str.length()); 1790 return res; 1791 } 1792 1793 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1794 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1795 Context.DISPLAY_SERVICE); 1796 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1797 } 1798 1799 public PackageManagerService(Context context, Installer installer, 1800 boolean factoryTest, boolean onlyCore) { 1801 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1802 SystemClock.uptimeMillis()); 1803 1804 if (mSdkVersion <= 0) { 1805 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1806 } 1807 1808 mContext = context; 1809 mFactoryTest = factoryTest; 1810 mOnlyCore = onlyCore; 1811 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1812 mMetrics = new DisplayMetrics(); 1813 mSettings = new Settings(mPackages); 1814 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1815 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1816 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1817 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1818 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1819 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1820 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1821 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1822 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1823 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1824 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1825 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1826 1827 // TODO: add a property to control this? 1828 long dexOptLRUThresholdInMinutes; 1829 if (mLazyDexOpt) { 1830 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 1831 } else { 1832 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 1833 } 1834 mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 1835 1836 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1837 if (separateProcesses != null && separateProcesses.length() > 0) { 1838 if ("*".equals(separateProcesses)) { 1839 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1840 mSeparateProcesses = null; 1841 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1842 } else { 1843 mDefParseFlags = 0; 1844 mSeparateProcesses = separateProcesses.split(","); 1845 Slog.w(TAG, "Running with debug.separate_processes: " 1846 + separateProcesses); 1847 } 1848 } else { 1849 mDefParseFlags = 0; 1850 mSeparateProcesses = null; 1851 } 1852 1853 mInstaller = installer; 1854 mPackageDexOptimizer = new PackageDexOptimizer(this); 1855 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1856 1857 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1858 FgThread.get().getLooper()); 1859 1860 getDefaultDisplayMetrics(context, mMetrics); 1861 1862 SystemConfig systemConfig = SystemConfig.getInstance(); 1863 mGlobalGids = systemConfig.getGlobalGids(); 1864 mSystemPermissions = systemConfig.getSystemPermissions(); 1865 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1866 1867 synchronized (mInstallLock) { 1868 // writer 1869 synchronized (mPackages) { 1870 mHandlerThread = new ServiceThread(TAG, 1871 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1872 mHandlerThread.start(); 1873 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1874 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1875 1876 File dataDir = Environment.getDataDirectory(); 1877 mAppDataDir = new File(dataDir, "data"); 1878 mAppInstallDir = new File(dataDir, "app"); 1879 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1880 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1881 mUserAppDataDir = new File(dataDir, "user"); 1882 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1883 1884 sUserManager = new UserManagerService(context, this, 1885 mInstallLock, mPackages); 1886 1887 // Propagate permission configuration in to package manager. 1888 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1889 = systemConfig.getPermissions(); 1890 for (int i=0; i<permConfig.size(); i++) { 1891 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1892 BasePermission bp = mSettings.mPermissions.get(perm.name); 1893 if (bp == null) { 1894 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1895 mSettings.mPermissions.put(perm.name, bp); 1896 } 1897 if (perm.gids != null) { 1898 bp.setGids(perm.gids, perm.perUser); 1899 } 1900 } 1901 1902 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1903 for (int i=0; i<libConfig.size(); i++) { 1904 mSharedLibraries.put(libConfig.keyAt(i), 1905 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1906 } 1907 1908 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1909 1910 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1911 mSdkVersion, mOnlyCore); 1912 1913 String customResolverActivity = Resources.getSystem().getString( 1914 R.string.config_customResolverActivity); 1915 if (TextUtils.isEmpty(customResolverActivity)) { 1916 customResolverActivity = null; 1917 } else { 1918 mCustomResolverComponentName = ComponentName.unflattenFromString( 1919 customResolverActivity); 1920 } 1921 1922 long startTime = SystemClock.uptimeMillis(); 1923 1924 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1925 startTime); 1926 1927 // Set flag to monitor and not change apk file paths when 1928 // scanning install directories. 1929 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 1930 1931 final ArraySet<String> alreadyDexOpted = new ArraySet<String>(); 1932 1933 /** 1934 * Add everything in the in the boot class path to the 1935 * list of process files because dexopt will have been run 1936 * if necessary during zygote startup. 1937 */ 1938 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1939 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1940 1941 if (bootClassPath != null) { 1942 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1943 for (String element : bootClassPathElements) { 1944 alreadyDexOpted.add(element); 1945 } 1946 } else { 1947 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1948 } 1949 1950 if (systemServerClassPath != null) { 1951 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1952 for (String element : systemServerClassPathElements) { 1953 alreadyDexOpted.add(element); 1954 } 1955 } else { 1956 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1957 } 1958 1959 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 1960 final String[] dexCodeInstructionSets = 1961 getDexCodeInstructionSets( 1962 allInstructionSets.toArray(new String[allInstructionSets.size()])); 1963 1964 /** 1965 * Ensure all external libraries have had dexopt run on them. 1966 */ 1967 if (mSharedLibraries.size() > 0) { 1968 // NOTE: For now, we're compiling these system "shared libraries" 1969 // (and framework jars) into all available architectures. It's possible 1970 // to compile them only when we come across an app that uses them (there's 1971 // already logic for that in scanPackageLI) but that adds some complexity. 1972 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1973 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1974 final String lib = libEntry.path; 1975 if (lib == null) { 1976 continue; 1977 } 1978 1979 try { 1980 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 1981 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 1982 alreadyDexOpted.add(lib); 1983 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded, false); 1984 } 1985 } catch (FileNotFoundException e) { 1986 Slog.w(TAG, "Library not found: " + lib); 1987 } catch (IOException e) { 1988 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1989 + e.getMessage()); 1990 } 1991 } 1992 } 1993 } 1994 1995 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1996 1997 // Gross hack for now: we know this file doesn't contain any 1998 // code, so don't dexopt it to avoid the resulting log spew. 1999 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 2000 2001 // Gross hack for now: we know this file is only part of 2002 // the boot class path for art, so don't dexopt it to 2003 // avoid the resulting log spew. 2004 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 2005 2006 /** 2007 * There are a number of commands implemented in Java, which 2008 * we currently need to do the dexopt on so that they can be 2009 * run from a non-root shell. 2010 */ 2011 String[] frameworkFiles = frameworkDir.list(); 2012 if (frameworkFiles != null) { 2013 // TODO: We could compile these only for the most preferred ABI. We should 2014 // first double check that the dex files for these commands are not referenced 2015 // by other system apps. 2016 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2017 for (int i=0; i<frameworkFiles.length; i++) { 2018 File libPath = new File(frameworkDir, frameworkFiles[i]); 2019 String path = libPath.getPath(); 2020 // Skip the file if we already did it. 2021 if (alreadyDexOpted.contains(path)) { 2022 continue; 2023 } 2024 // Skip the file if it is not a type we want to dexopt. 2025 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 2026 continue; 2027 } 2028 try { 2029 int dexoptNeeded = DexFile.getDexOptNeeded(path, null, dexCodeInstructionSet, false); 2030 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2031 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet, dexoptNeeded, false); 2032 } 2033 } catch (FileNotFoundException e) { 2034 Slog.w(TAG, "Jar not found: " + path); 2035 } catch (IOException e) { 2036 Slog.w(TAG, "Exception reading jar: " + path, e); 2037 } 2038 } 2039 } 2040 } 2041 2042 final VersionInfo ver = mSettings.getInternalVersion(); 2043 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2044 // when upgrading from pre-M, promote system app permissions from install to runtime 2045 mPromoteSystemApps = 2046 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2047 2048 // save off the names of pre-existing system packages prior to scanning; we don't 2049 // want to automatically grant runtime permissions for new system apps 2050 if (mPromoteSystemApps) { 2051 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2052 while (pkgSettingIter.hasNext()) { 2053 PackageSetting ps = pkgSettingIter.next(); 2054 if (isSystemApp(ps)) { 2055 mExistingSystemPackages.add(ps.name); 2056 } 2057 } 2058 } 2059 2060 // Collect vendor overlay packages. 2061 // (Do this before scanning any apps.) 2062 // For security and version matching reason, only consider 2063 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2064 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2065 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2066 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2067 2068 // Find base frameworks (resource packages without code). 2069 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2070 | PackageParser.PARSE_IS_SYSTEM_DIR 2071 | PackageParser.PARSE_IS_PRIVILEGED, 2072 scanFlags | SCAN_NO_DEX, 0); 2073 2074 // Collected privileged system packages. 2075 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2076 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2077 | PackageParser.PARSE_IS_SYSTEM_DIR 2078 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2079 2080 // Collect ordinary system packages. 2081 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2082 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2083 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2084 2085 // Collect all vendor packages. 2086 File vendorAppDir = new File("/vendor/app"); 2087 try { 2088 vendorAppDir = vendorAppDir.getCanonicalFile(); 2089 } catch (IOException e) { 2090 // failed to look up canonical path, continue with original one 2091 } 2092 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2093 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2094 2095 // Collect all OEM packages. 2096 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2097 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2098 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2099 2100 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2101 mInstaller.moveFiles(); 2102 2103 // Prune any system packages that no longer exist. 2104 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2105 if (!mOnlyCore) { 2106 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2107 while (psit.hasNext()) { 2108 PackageSetting ps = psit.next(); 2109 2110 /* 2111 * If this is not a system app, it can't be a 2112 * disable system app. 2113 */ 2114 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2115 continue; 2116 } 2117 2118 /* 2119 * If the package is scanned, it's not erased. 2120 */ 2121 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2122 if (scannedPkg != null) { 2123 /* 2124 * If the system app is both scanned and in the 2125 * disabled packages list, then it must have been 2126 * added via OTA. Remove it from the currently 2127 * scanned package so the previously user-installed 2128 * application can be scanned. 2129 */ 2130 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2131 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2132 + ps.name + "; removing system app. Last known codePath=" 2133 + ps.codePathString + ", installStatus=" + ps.installStatus 2134 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2135 + scannedPkg.mVersionCode); 2136 removePackageLI(ps, true); 2137 mExpectingBetter.put(ps.name, ps.codePath); 2138 } 2139 2140 continue; 2141 } 2142 2143 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2144 psit.remove(); 2145 logCriticalInfo(Log.WARN, "System package " + ps.name 2146 + " no longer exists; wiping its data"); 2147 removeDataDirsLI(null, ps.name); 2148 } else { 2149 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2150 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2151 possiblyDeletedUpdatedSystemApps.add(ps.name); 2152 } 2153 } 2154 } 2155 } 2156 2157 //look for any incomplete package installations 2158 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2159 //clean up list 2160 for(int i = 0; i < deletePkgsList.size(); i++) { 2161 //clean up here 2162 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2163 } 2164 //delete tmp files 2165 deleteTempPackageFiles(); 2166 2167 // Remove any shared userIDs that have no associated packages 2168 mSettings.pruneSharedUsersLPw(); 2169 2170 if (!mOnlyCore) { 2171 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2172 SystemClock.uptimeMillis()); 2173 scanDirLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2174 2175 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2176 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2177 2178 /** 2179 * Remove disable package settings for any updated system 2180 * apps that were removed via an OTA. If they're not a 2181 * previously-updated app, remove them completely. 2182 * Otherwise, just revoke their system-level permissions. 2183 */ 2184 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2185 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2186 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2187 2188 String msg; 2189 if (deletedPkg == null) { 2190 msg = "Updated system package " + deletedAppName 2191 + " no longer exists; wiping its data"; 2192 removeDataDirsLI(null, deletedAppName); 2193 } else { 2194 msg = "Updated system app + " + deletedAppName 2195 + " no longer present; removing system privileges for " 2196 + deletedAppName; 2197 2198 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2199 2200 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2201 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2202 } 2203 logCriticalInfo(Log.WARN, msg); 2204 } 2205 2206 /** 2207 * Make sure all system apps that we expected to appear on 2208 * the userdata partition actually showed up. If they never 2209 * appeared, crawl back and revive the system version. 2210 */ 2211 for (int i = 0; i < mExpectingBetter.size(); i++) { 2212 final String packageName = mExpectingBetter.keyAt(i); 2213 if (!mPackages.containsKey(packageName)) { 2214 final File scanFile = mExpectingBetter.valueAt(i); 2215 2216 logCriticalInfo(Log.WARN, "Expected better " + packageName 2217 + " but never showed up; reverting to system"); 2218 2219 final int reparseFlags; 2220 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2221 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2222 | PackageParser.PARSE_IS_SYSTEM_DIR 2223 | PackageParser.PARSE_IS_PRIVILEGED; 2224 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2225 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2226 | PackageParser.PARSE_IS_SYSTEM_DIR; 2227 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2228 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2229 | PackageParser.PARSE_IS_SYSTEM_DIR; 2230 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2231 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2232 | PackageParser.PARSE_IS_SYSTEM_DIR; 2233 } else { 2234 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2235 continue; 2236 } 2237 2238 mSettings.enableSystemPackageLPw(packageName); 2239 2240 try { 2241 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 2242 } catch (PackageManagerException e) { 2243 Slog.e(TAG, "Failed to parse original system package: " 2244 + e.getMessage()); 2245 } 2246 } 2247 } 2248 } 2249 mExpectingBetter.clear(); 2250 2251 // Now that we know all of the shared libraries, update all clients to have 2252 // the correct library paths. 2253 updateAllSharedLibrariesLPw(); 2254 2255 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2256 // NOTE: We ignore potential failures here during a system scan (like 2257 // the rest of the commands above) because there's precious little we 2258 // can do about it. A settings error is reported, though. 2259 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2260 false /* force dexopt */, false /* defer dexopt */, 2261 false /* boot complete */); 2262 } 2263 2264 // Now that we know all the packages we are keeping, 2265 // read and update their last usage times. 2266 mPackageUsage.readLP(); 2267 2268 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2269 SystemClock.uptimeMillis()); 2270 Slog.i(TAG, "Time to scan packages: " 2271 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2272 + " seconds"); 2273 2274 // If the platform SDK has changed since the last time we booted, 2275 // we need to re-grant app permission to catch any new ones that 2276 // appear. This is really a hack, and means that apps can in some 2277 // cases get permissions that the user didn't initially explicitly 2278 // allow... it would be nice to have some better way to handle 2279 // this situation. 2280 int updateFlags = UPDATE_PERMISSIONS_ALL; 2281 if (ver.sdkVersion != mSdkVersion) { 2282 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2283 + mSdkVersion + "; regranting permissions for internal storage"); 2284 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2285 } 2286 updatePermissionsLPw(null, null, updateFlags); 2287 ver.sdkVersion = mSdkVersion; 2288 2289 // If this is the first boot or an update from pre-M, and it is a normal 2290 // boot, then we need to initialize the default preferred apps across 2291 // all defined users. 2292 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2293 for (UserInfo user : sUserManager.getUsers(true)) { 2294 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2295 applyFactoryDefaultBrowserLPw(user.id); 2296 primeDomainVerificationsLPw(user.id); 2297 } 2298 } 2299 2300 // If this is first boot after an OTA, and a normal boot, then 2301 // we need to clear code cache directories. 2302 if (mIsUpgrade && !onlyCore) { 2303 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2304 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2305 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2306 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2307 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2308 } 2309 } 2310 ver.fingerprint = Build.FINGERPRINT; 2311 } 2312 2313 checkDefaultBrowser(); 2314 2315 // clear only after permissions and other defaults have been updated 2316 mExistingSystemPackages.clear(); 2317 mPromoteSystemApps = false; 2318 2319 // All the changes are done during package scanning. 2320 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2321 2322 // can downgrade to reader 2323 mSettings.writeLPr(); 2324 2325 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2326 SystemClock.uptimeMillis()); 2327 2328 mRequiredVerifierPackage = getRequiredVerifierLPr(); 2329 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2330 2331 mInstallerService = new PackageInstallerService(context, this); 2332 2333 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2334 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2335 mIntentFilterVerifierComponent); 2336 2337 } // synchronized (mPackages) 2338 } // synchronized (mInstallLock) 2339 2340 // Now after opening every single application zip, make sure they 2341 // are all flushed. Not really needed, but keeps things nice and 2342 // tidy. 2343 Runtime.getRuntime().gc(); 2344 2345 // Expose private service for system components to use. 2346 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2347 } 2348 2349 @Override 2350 public boolean isFirstBoot() { 2351 return !mRestoredSettings; 2352 } 2353 2354 @Override 2355 public boolean isOnlyCoreApps() { 2356 return mOnlyCore; 2357 } 2358 2359 @Override 2360 public boolean isUpgrade() { 2361 return mIsUpgrade; 2362 } 2363 2364 private String getRequiredVerifierLPr() { 2365 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2366 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2367 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 2368 2369 String requiredVerifier = null; 2370 2371 final int N = receivers.size(); 2372 for (int i = 0; i < N; i++) { 2373 final ResolveInfo info = receivers.get(i); 2374 2375 if (info.activityInfo == null) { 2376 continue; 2377 } 2378 2379 final String packageName = info.activityInfo.packageName; 2380 2381 if (checkPermission(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 2382 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2383 continue; 2384 } 2385 2386 if (requiredVerifier != null) { 2387 throw new RuntimeException("There can be only one required verifier"); 2388 } 2389 2390 requiredVerifier = packageName; 2391 } 2392 2393 return requiredVerifier; 2394 } 2395 2396 private String getRequiredInstallerLPr() { 2397 Intent installerIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2398 installerIntent.addCategory(Intent.CATEGORY_DEFAULT); 2399 installerIntent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2400 2401 final List<ResolveInfo> installers = queryIntentActivities(installerIntent, 2402 PACKAGE_MIME_TYPE, 0, 0); 2403 2404 String requiredInstaller = null; 2405 2406 final int N = installers.size(); 2407 for (int i = 0; i < N; i++) { 2408 final ResolveInfo info = installers.get(i); 2409 final String packageName = info.activityInfo.packageName; 2410 2411 if (!info.activityInfo.applicationInfo.isSystemApp()) { 2412 continue; 2413 } 2414 2415 if (requiredInstaller != null) { 2416 throw new RuntimeException("There must be one required installer"); 2417 } 2418 2419 requiredInstaller = packageName; 2420 } 2421 2422 if (requiredInstaller == null) { 2423 throw new RuntimeException("There must be one required installer"); 2424 } 2425 2426 return requiredInstaller; 2427 } 2428 2429 private ComponentName getIntentFilterVerifierComponentNameLPr() { 2430 final Intent verification = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2431 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 2432 PackageManager.GET_DISABLED_COMPONENTS, 0 /* userId */); 2433 2434 ComponentName verifierComponentName = null; 2435 2436 int priority = -1000; 2437 final int N = receivers.size(); 2438 for (int i = 0; i < N; i++) { 2439 final ResolveInfo info = receivers.get(i); 2440 2441 if (info.activityInfo == null) { 2442 continue; 2443 } 2444 2445 final String packageName = info.activityInfo.packageName; 2446 2447 final PackageSetting ps = mSettings.mPackages.get(packageName); 2448 if (ps == null) { 2449 continue; 2450 } 2451 2452 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2453 packageName, UserHandle.USER_OWNER) != PackageManager.PERMISSION_GRANTED) { 2454 continue; 2455 } 2456 2457 // Select the IntentFilterVerifier with the highest priority 2458 if (priority < info.priority) { 2459 priority = info.priority; 2460 verifierComponentName = new ComponentName(packageName, info.activityInfo.name); 2461 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Selecting IntentFilterVerifier: " 2462 + verifierComponentName + " with priority: " + info.priority); 2463 } 2464 } 2465 2466 return verifierComponentName; 2467 } 2468 2469 private void primeDomainVerificationsLPw(int userId) { 2470 if (DEBUG_DOMAIN_VERIFICATION) { 2471 Slog.d(TAG, "Priming domain verifications in user " + userId); 2472 } 2473 2474 SystemConfig systemConfig = SystemConfig.getInstance(); 2475 ArraySet<String> packages = systemConfig.getLinkedApps(); 2476 ArraySet<String> domains = new ArraySet<String>(); 2477 2478 for (String packageName : packages) { 2479 PackageParser.Package pkg = mPackages.get(packageName); 2480 if (pkg != null) { 2481 if (!pkg.isSystemApp()) { 2482 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2483 continue; 2484 } 2485 2486 domains.clear(); 2487 for (PackageParser.Activity a : pkg.activities) { 2488 for (ActivityIntentInfo filter : a.intents) { 2489 if (hasValidDomains(filter)) { 2490 domains.addAll(filter.getHostsList()); 2491 } 2492 } 2493 } 2494 2495 if (domains.size() > 0) { 2496 if (DEBUG_DOMAIN_VERIFICATION) { 2497 Slog.v(TAG, " + " + packageName); 2498 } 2499 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2500 // state w.r.t. the formal app-linkage "no verification attempted" state; 2501 // and then 'always' in the per-user state actually used for intent resolution. 2502 final IntentFilterVerificationInfo ivi; 2503 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2504 new ArrayList<String>(domains)); 2505 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2506 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2507 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2508 } else { 2509 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2510 + "' does not handle web links"); 2511 } 2512 } else { 2513 Slog.w(TAG, "Unknown package '" + packageName + "' in sysconfig <app-link>"); 2514 } 2515 } 2516 2517 scheduleWritePackageRestrictionsLocked(userId); 2518 scheduleWriteSettingsLocked(); 2519 } 2520 2521 private void applyFactoryDefaultBrowserLPw(int userId) { 2522 // The default browser app's package name is stored in a string resource, 2523 // with a product-specific overlay used for vendor customization. 2524 String browserPkg = mContext.getResources().getString( 2525 com.android.internal.R.string.default_browser); 2526 if (!TextUtils.isEmpty(browserPkg)) { 2527 // non-empty string => required to be a known package 2528 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2529 if (ps == null) { 2530 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2531 browserPkg = null; 2532 } else { 2533 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2534 } 2535 } 2536 2537 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2538 // default. If there's more than one, just leave everything alone. 2539 if (browserPkg == null) { 2540 calculateDefaultBrowserLPw(userId); 2541 } 2542 } 2543 2544 private void calculateDefaultBrowserLPw(int userId) { 2545 List<String> allBrowsers = resolveAllBrowserApps(userId); 2546 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2547 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2548 } 2549 2550 private List<String> resolveAllBrowserApps(int userId) { 2551 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2552 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2553 PackageManager.MATCH_ALL, userId); 2554 2555 final int count = list.size(); 2556 List<String> result = new ArrayList<String>(count); 2557 for (int i=0; i<count; i++) { 2558 ResolveInfo info = list.get(i); 2559 if (info.activityInfo == null 2560 || !info.handleAllWebDataURI 2561 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2562 || result.contains(info.activityInfo.packageName)) { 2563 continue; 2564 } 2565 result.add(info.activityInfo.packageName); 2566 } 2567 2568 return result; 2569 } 2570 2571 private boolean packageIsBrowser(String packageName, int userId) { 2572 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2573 PackageManager.MATCH_ALL, userId); 2574 final int N = list.size(); 2575 for (int i = 0; i < N; i++) { 2576 ResolveInfo info = list.get(i); 2577 if (packageName.equals(info.activityInfo.packageName)) { 2578 return true; 2579 } 2580 } 2581 return false; 2582 } 2583 2584 private void checkDefaultBrowser() { 2585 final int myUserId = UserHandle.myUserId(); 2586 final String packageName = getDefaultBrowserPackageName(myUserId); 2587 if (packageName != null) { 2588 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2589 if (info == null) { 2590 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2591 synchronized (mPackages) { 2592 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2593 } 2594 } 2595 } 2596 } 2597 2598 @Override 2599 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2600 throws RemoteException { 2601 try { 2602 return super.onTransact(code, data, reply, flags); 2603 } catch (RuntimeException e) { 2604 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2605 Slog.wtf(TAG, "Package Manager Crash", e); 2606 } 2607 throw e; 2608 } 2609 } 2610 2611 void cleanupInstallFailedPackage(PackageSetting ps) { 2612 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2613 2614 removeDataDirsLI(ps.volumeUuid, ps.name); 2615 if (ps.codePath != null) { 2616 if (ps.codePath.isDirectory()) { 2617 mInstaller.rmPackageDir(ps.codePath.getAbsolutePath()); 2618 } else { 2619 ps.codePath.delete(); 2620 } 2621 } 2622 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2623 if (ps.resourcePath.isDirectory()) { 2624 FileUtils.deleteContents(ps.resourcePath); 2625 } 2626 ps.resourcePath.delete(); 2627 } 2628 mSettings.removePackageLPw(ps.name); 2629 } 2630 2631 static int[] appendInts(int[] cur, int[] add) { 2632 if (add == null) return cur; 2633 if (cur == null) return add; 2634 final int N = add.length; 2635 for (int i=0; i<N; i++) { 2636 cur = appendInt(cur, add[i]); 2637 } 2638 return cur; 2639 } 2640 2641 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2642 if (!sUserManager.exists(userId)) return null; 2643 final PackageSetting ps = (PackageSetting) p.mExtras; 2644 if (ps == null) { 2645 return null; 2646 } 2647 2648 final PermissionsState permissionsState = ps.getPermissionsState(); 2649 2650 final int[] gids = permissionsState.computeGids(userId); 2651 final Set<String> permissions = permissionsState.getPermissions(userId); 2652 final PackageUserState state = ps.readUserState(userId); 2653 2654 return PackageParser.generatePackageInfo(p, gids, flags, 2655 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2656 } 2657 2658 @Override 2659 public boolean isPackageFrozen(String packageName) { 2660 synchronized (mPackages) { 2661 final PackageSetting ps = mSettings.mPackages.get(packageName); 2662 if (ps != null) { 2663 return ps.frozen; 2664 } 2665 } 2666 Slog.w(TAG, "Package " + packageName + " is missing; assuming frozen"); 2667 return true; 2668 } 2669 2670 @Override 2671 public boolean isPackageAvailable(String packageName, int userId) { 2672 if (!sUserManager.exists(userId)) return false; 2673 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2674 synchronized (mPackages) { 2675 PackageParser.Package p = mPackages.get(packageName); 2676 if (p != null) { 2677 final PackageSetting ps = (PackageSetting) p.mExtras; 2678 if (ps != null) { 2679 final PackageUserState state = ps.readUserState(userId); 2680 if (state != null) { 2681 return PackageParser.isAvailable(state); 2682 } 2683 } 2684 } 2685 } 2686 return false; 2687 } 2688 2689 @Override 2690 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2691 if (!sUserManager.exists(userId)) return null; 2692 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2693 // reader 2694 synchronized (mPackages) { 2695 PackageParser.Package p = mPackages.get(packageName); 2696 if (DEBUG_PACKAGE_INFO) 2697 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2698 if (p != null) { 2699 return generatePackageInfo(p, flags, userId); 2700 } 2701 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2702 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2703 } 2704 } 2705 return null; 2706 } 2707 2708 @Override 2709 public String[] currentToCanonicalPackageNames(String[] names) { 2710 String[] out = new String[names.length]; 2711 // reader 2712 synchronized (mPackages) { 2713 for (int i=names.length-1; i>=0; i--) { 2714 PackageSetting ps = mSettings.mPackages.get(names[i]); 2715 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2716 } 2717 } 2718 return out; 2719 } 2720 2721 @Override 2722 public String[] canonicalToCurrentPackageNames(String[] names) { 2723 String[] out = new String[names.length]; 2724 // reader 2725 synchronized (mPackages) { 2726 for (int i=names.length-1; i>=0; i--) { 2727 String cur = mSettings.mRenamedPackages.get(names[i]); 2728 out[i] = cur != null ? cur : names[i]; 2729 } 2730 } 2731 return out; 2732 } 2733 2734 @Override 2735 public int getPackageUid(String packageName, int userId) { 2736 if (!sUserManager.exists(userId)) return -1; 2737 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2738 2739 // reader 2740 synchronized (mPackages) { 2741 PackageParser.Package p = mPackages.get(packageName); 2742 if(p != null) { 2743 return UserHandle.getUid(userId, p.applicationInfo.uid); 2744 } 2745 PackageSetting ps = mSettings.mPackages.get(packageName); 2746 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2747 return -1; 2748 } 2749 p = ps.pkg; 2750 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2751 } 2752 } 2753 2754 @Override 2755 public int[] getPackageGids(String packageName, int userId) throws RemoteException { 2756 if (!sUserManager.exists(userId)) { 2757 return null; 2758 } 2759 2760 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2761 "getPackageGids"); 2762 2763 // reader 2764 synchronized (mPackages) { 2765 PackageParser.Package p = mPackages.get(packageName); 2766 if (DEBUG_PACKAGE_INFO) { 2767 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2768 } 2769 if (p != null) { 2770 PackageSetting ps = (PackageSetting) p.mExtras; 2771 return ps.getPermissionsState().computeGids(userId); 2772 } 2773 } 2774 2775 return null; 2776 } 2777 2778 static PermissionInfo generatePermissionInfo( 2779 BasePermission bp, int flags) { 2780 if (bp.perm != null) { 2781 return PackageParser.generatePermissionInfo(bp.perm, flags); 2782 } 2783 PermissionInfo pi = new PermissionInfo(); 2784 pi.name = bp.name; 2785 pi.packageName = bp.sourcePackage; 2786 pi.nonLocalizedLabel = bp.name; 2787 pi.protectionLevel = bp.protectionLevel; 2788 return pi; 2789 } 2790 2791 @Override 2792 public PermissionInfo getPermissionInfo(String name, int flags) { 2793 // reader 2794 synchronized (mPackages) { 2795 final BasePermission p = mSettings.mPermissions.get(name); 2796 if (p != null) { 2797 return generatePermissionInfo(p, flags); 2798 } 2799 return null; 2800 } 2801 } 2802 2803 @Override 2804 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2805 // reader 2806 synchronized (mPackages) { 2807 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2808 for (BasePermission p : mSettings.mPermissions.values()) { 2809 if (group == null) { 2810 if (p.perm == null || p.perm.info.group == null) { 2811 out.add(generatePermissionInfo(p, flags)); 2812 } 2813 } else { 2814 if (p.perm != null && group.equals(p.perm.info.group)) { 2815 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2816 } 2817 } 2818 } 2819 2820 if (out.size() > 0) { 2821 return out; 2822 } 2823 return mPermissionGroups.containsKey(group) ? out : null; 2824 } 2825 } 2826 2827 @Override 2828 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2829 // reader 2830 synchronized (mPackages) { 2831 return PackageParser.generatePermissionGroupInfo( 2832 mPermissionGroups.get(name), flags); 2833 } 2834 } 2835 2836 @Override 2837 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2838 // reader 2839 synchronized (mPackages) { 2840 final int N = mPermissionGroups.size(); 2841 ArrayList<PermissionGroupInfo> out 2842 = new ArrayList<PermissionGroupInfo>(N); 2843 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2844 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2845 } 2846 return out; 2847 } 2848 } 2849 2850 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2851 int userId) { 2852 if (!sUserManager.exists(userId)) return null; 2853 PackageSetting ps = mSettings.mPackages.get(packageName); 2854 if (ps != null) { 2855 if (ps.pkg == null) { 2856 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2857 flags, userId); 2858 if (pInfo != null) { 2859 return pInfo.applicationInfo; 2860 } 2861 return null; 2862 } 2863 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2864 ps.readUserState(userId), userId); 2865 } 2866 return null; 2867 } 2868 2869 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2870 int userId) { 2871 if (!sUserManager.exists(userId)) return null; 2872 PackageSetting ps = mSettings.mPackages.get(packageName); 2873 if (ps != null) { 2874 PackageParser.Package pkg = ps.pkg; 2875 if (pkg == null) { 2876 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2877 return null; 2878 } 2879 // Only data remains, so we aren't worried about code paths 2880 pkg = new PackageParser.Package(packageName); 2881 pkg.applicationInfo.packageName = packageName; 2882 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2883 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2884 pkg.applicationInfo.dataDir = Environment 2885 .getDataUserPackageDirectory(ps.volumeUuid, userId, packageName) 2886 .getAbsolutePath(); 2887 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2888 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2889 } 2890 return generatePackageInfo(pkg, flags, userId); 2891 } 2892 return null; 2893 } 2894 2895 @Override 2896 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2897 if (!sUserManager.exists(userId)) return null; 2898 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2899 // writer 2900 synchronized (mPackages) { 2901 PackageParser.Package p = mPackages.get(packageName); 2902 if (DEBUG_PACKAGE_INFO) Log.v( 2903 TAG, "getApplicationInfo " + packageName 2904 + ": " + p); 2905 if (p != null) { 2906 PackageSetting ps = mSettings.mPackages.get(packageName); 2907 if (ps == null) return null; 2908 // Note: isEnabledLP() does not apply here - always return info 2909 return PackageParser.generateApplicationInfo( 2910 p, flags, ps.readUserState(userId), userId); 2911 } 2912 if ("android".equals(packageName)||"system".equals(packageName)) { 2913 return mAndroidApplication; 2914 } 2915 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2916 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2917 } 2918 } 2919 return null; 2920 } 2921 2922 @Override 2923 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 2924 final IPackageDataObserver observer) { 2925 mContext.enforceCallingOrSelfPermission( 2926 android.Manifest.permission.CLEAR_APP_CACHE, null); 2927 // Queue up an async operation since clearing cache may take a little while. 2928 mHandler.post(new Runnable() { 2929 public void run() { 2930 mHandler.removeCallbacks(this); 2931 int retCode = -1; 2932 synchronized (mInstallLock) { 2933 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2934 if (retCode < 0) { 2935 Slog.w(TAG, "Couldn't clear application caches"); 2936 } 2937 } 2938 if (observer != null) { 2939 try { 2940 observer.onRemoveCompleted(null, (retCode >= 0)); 2941 } catch (RemoteException e) { 2942 Slog.w(TAG, "RemoveException when invoking call back"); 2943 } 2944 } 2945 } 2946 }); 2947 } 2948 2949 @Override 2950 public void freeStorage(final String volumeUuid, final long freeStorageSize, 2951 final IntentSender pi) { 2952 mContext.enforceCallingOrSelfPermission( 2953 android.Manifest.permission.CLEAR_APP_CACHE, null); 2954 // Queue up an async operation since clearing cache may take a little while. 2955 mHandler.post(new Runnable() { 2956 public void run() { 2957 mHandler.removeCallbacks(this); 2958 int retCode = -1; 2959 synchronized (mInstallLock) { 2960 retCode = mInstaller.freeCache(volumeUuid, freeStorageSize); 2961 if (retCode < 0) { 2962 Slog.w(TAG, "Couldn't clear application caches"); 2963 } 2964 } 2965 if(pi != null) { 2966 try { 2967 // Callback via pending intent 2968 int code = (retCode >= 0) ? 1 : 0; 2969 pi.sendIntent(null, code, null, 2970 null, null); 2971 } catch (SendIntentException e1) { 2972 Slog.i(TAG, "Failed to send pending intent"); 2973 } 2974 } 2975 } 2976 }); 2977 } 2978 2979 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 2980 synchronized (mInstallLock) { 2981 if (mInstaller.freeCache(volumeUuid, freeStorageSize) < 0) { 2982 throw new IOException("Failed to free enough space"); 2983 } 2984 } 2985 } 2986 2987 @Override 2988 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2989 if (!sUserManager.exists(userId)) return null; 2990 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2991 synchronized (mPackages) { 2992 PackageParser.Activity a = mActivities.mActivities.get(component); 2993 2994 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2995 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2996 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2997 if (ps == null) return null; 2998 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2999 userId); 3000 } 3001 if (mResolveComponentName.equals(component)) { 3002 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3003 new PackageUserState(), userId); 3004 } 3005 } 3006 return null; 3007 } 3008 3009 @Override 3010 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3011 String resolvedType) { 3012 synchronized (mPackages) { 3013 if (component.equals(mResolveComponentName)) { 3014 // The resolver supports EVERYTHING! 3015 return true; 3016 } 3017 PackageParser.Activity a = mActivities.mActivities.get(component); 3018 if (a == null) { 3019 return false; 3020 } 3021 for (int i=0; i<a.intents.size(); i++) { 3022 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3023 intent.getData(), intent.getCategories(), TAG) >= 0) { 3024 return true; 3025 } 3026 } 3027 return false; 3028 } 3029 } 3030 3031 @Override 3032 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3033 if (!sUserManager.exists(userId)) return null; 3034 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3035 synchronized (mPackages) { 3036 PackageParser.Activity a = mReceivers.mActivities.get(component); 3037 if (DEBUG_PACKAGE_INFO) Log.v( 3038 TAG, "getReceiverInfo " + component + ": " + a); 3039 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 3040 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3041 if (ps == null) return null; 3042 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3043 userId); 3044 } 3045 } 3046 return null; 3047 } 3048 3049 @Override 3050 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3051 if (!sUserManager.exists(userId)) return null; 3052 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3053 synchronized (mPackages) { 3054 PackageParser.Service s = mServices.mServices.get(component); 3055 if (DEBUG_PACKAGE_INFO) Log.v( 3056 TAG, "getServiceInfo " + component + ": " + s); 3057 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 3058 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3059 if (ps == null) return null; 3060 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3061 userId); 3062 } 3063 } 3064 return null; 3065 } 3066 3067 @Override 3068 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3069 if (!sUserManager.exists(userId)) return null; 3070 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3071 synchronized (mPackages) { 3072 PackageParser.Provider p = mProviders.mProviders.get(component); 3073 if (DEBUG_PACKAGE_INFO) Log.v( 3074 TAG, "getProviderInfo " + component + ": " + p); 3075 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 3076 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3077 if (ps == null) return null; 3078 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3079 userId); 3080 } 3081 } 3082 return null; 3083 } 3084 3085 @Override 3086 public String[] getSystemSharedLibraryNames() { 3087 Set<String> libSet; 3088 synchronized (mPackages) { 3089 libSet = mSharedLibraries.keySet(); 3090 int size = libSet.size(); 3091 if (size > 0) { 3092 String[] libs = new String[size]; 3093 libSet.toArray(libs); 3094 return libs; 3095 } 3096 } 3097 return null; 3098 } 3099 3100 /** 3101 * @hide 3102 */ 3103 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3104 synchronized (mPackages) { 3105 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3106 if (lib != null && lib.apk != null) { 3107 return mPackages.get(lib.apk); 3108 } 3109 } 3110 return null; 3111 } 3112 3113 @Override 3114 public FeatureInfo[] getSystemAvailableFeatures() { 3115 Collection<FeatureInfo> featSet; 3116 synchronized (mPackages) { 3117 featSet = mAvailableFeatures.values(); 3118 int size = featSet.size(); 3119 if (size > 0) { 3120 FeatureInfo[] features = new FeatureInfo[size+1]; 3121 featSet.toArray(features); 3122 FeatureInfo fi = new FeatureInfo(); 3123 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3124 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3125 features[size] = fi; 3126 return features; 3127 } 3128 } 3129 return null; 3130 } 3131 3132 @Override 3133 public boolean hasSystemFeature(String name) { 3134 synchronized (mPackages) { 3135 return mAvailableFeatures.containsKey(name); 3136 } 3137 } 3138 3139 private void checkValidCaller(int uid, int userId) { 3140 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 3141 return; 3142 3143 throw new SecurityException("Caller uid=" + uid 3144 + " is not privileged to communicate with user=" + userId); 3145 } 3146 3147 @Override 3148 public int checkPermission(String permName, String pkgName, int userId) { 3149 if (!sUserManager.exists(userId)) { 3150 return PackageManager.PERMISSION_DENIED; 3151 } 3152 3153 synchronized (mPackages) { 3154 final PackageParser.Package p = mPackages.get(pkgName); 3155 if (p != null && p.mExtras != null) { 3156 final PackageSetting ps = (PackageSetting) p.mExtras; 3157 final PermissionsState permissionsState = ps.getPermissionsState(); 3158 if (permissionsState.hasPermission(permName, userId)) { 3159 return PackageManager.PERMISSION_GRANTED; 3160 } 3161 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3162 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3163 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3164 return PackageManager.PERMISSION_GRANTED; 3165 } 3166 } 3167 } 3168 3169 return PackageManager.PERMISSION_DENIED; 3170 } 3171 3172 @Override 3173 public int checkUidPermission(String permName, int uid) { 3174 final int userId = UserHandle.getUserId(uid); 3175 3176 if (!sUserManager.exists(userId)) { 3177 return PackageManager.PERMISSION_DENIED; 3178 } 3179 3180 synchronized (mPackages) { 3181 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3182 if (obj != null) { 3183 final SettingBase ps = (SettingBase) obj; 3184 final PermissionsState permissionsState = ps.getPermissionsState(); 3185 if (permissionsState.hasPermission(permName, userId)) { 3186 return PackageManager.PERMISSION_GRANTED; 3187 } 3188 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3189 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3190 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3191 return PackageManager.PERMISSION_GRANTED; 3192 } 3193 } else { 3194 ArraySet<String> perms = mSystemPermissions.get(uid); 3195 if (perms != null) { 3196 if (perms.contains(permName)) { 3197 return PackageManager.PERMISSION_GRANTED; 3198 } 3199 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3200 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3201 return PackageManager.PERMISSION_GRANTED; 3202 } 3203 } 3204 } 3205 } 3206 3207 return PackageManager.PERMISSION_DENIED; 3208 } 3209 3210 @Override 3211 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3212 if (UserHandle.getCallingUserId() != userId) { 3213 mContext.enforceCallingPermission( 3214 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3215 "isPermissionRevokedByPolicy for user " + userId); 3216 } 3217 3218 if (checkPermission(permission, packageName, userId) 3219 == PackageManager.PERMISSION_GRANTED) { 3220 return false; 3221 } 3222 3223 final long identity = Binder.clearCallingIdentity(); 3224 try { 3225 final int flags = getPermissionFlags(permission, packageName, userId); 3226 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3227 } finally { 3228 Binder.restoreCallingIdentity(identity); 3229 } 3230 } 3231 3232 @Override 3233 public String getPermissionControllerPackageName() { 3234 synchronized (mPackages) { 3235 return mRequiredInstallerPackage; 3236 } 3237 } 3238 3239 /** 3240 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3241 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3242 * @param checkShell TODO(yamasani): 3243 * @param message the message to log on security exception 3244 */ 3245 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3246 boolean checkShell, String message) { 3247 if (userId < 0) { 3248 throw new IllegalArgumentException("Invalid userId " + userId); 3249 } 3250 if (checkShell) { 3251 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3252 } 3253 if (userId == UserHandle.getUserId(callingUid)) return; 3254 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3255 if (requireFullPermission) { 3256 mContext.enforceCallingOrSelfPermission( 3257 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3258 } else { 3259 try { 3260 mContext.enforceCallingOrSelfPermission( 3261 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3262 } catch (SecurityException se) { 3263 mContext.enforceCallingOrSelfPermission( 3264 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3265 } 3266 } 3267 } 3268 } 3269 3270 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3271 if (callingUid == Process.SHELL_UID) { 3272 if (userHandle >= 0 3273 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3274 throw new SecurityException("Shell does not have permission to access user " 3275 + userHandle); 3276 } else if (userHandle < 0) { 3277 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3278 + Debug.getCallers(3)); 3279 } 3280 } 3281 } 3282 3283 private BasePermission findPermissionTreeLP(String permName) { 3284 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3285 if (permName.startsWith(bp.name) && 3286 permName.length() > bp.name.length() && 3287 permName.charAt(bp.name.length()) == '.') { 3288 return bp; 3289 } 3290 } 3291 return null; 3292 } 3293 3294 private BasePermission checkPermissionTreeLP(String permName) { 3295 if (permName != null) { 3296 BasePermission bp = findPermissionTreeLP(permName); 3297 if (bp != null) { 3298 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3299 return bp; 3300 } 3301 throw new SecurityException("Calling uid " 3302 + Binder.getCallingUid() 3303 + " is not allowed to add to permission tree " 3304 + bp.name + " owned by uid " + bp.uid); 3305 } 3306 } 3307 throw new SecurityException("No permission tree found for " + permName); 3308 } 3309 3310 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3311 if (s1 == null) { 3312 return s2 == null; 3313 } 3314 if (s2 == null) { 3315 return false; 3316 } 3317 if (s1.getClass() != s2.getClass()) { 3318 return false; 3319 } 3320 return s1.equals(s2); 3321 } 3322 3323 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3324 if (pi1.icon != pi2.icon) return false; 3325 if (pi1.logo != pi2.logo) return false; 3326 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3327 if (!compareStrings(pi1.name, pi2.name)) return false; 3328 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3329 // We'll take care of setting this one. 3330 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3331 // These are not currently stored in settings. 3332 //if (!compareStrings(pi1.group, pi2.group)) return false; 3333 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3334 //if (pi1.labelRes != pi2.labelRes) return false; 3335 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3336 return true; 3337 } 3338 3339 int permissionInfoFootprint(PermissionInfo info) { 3340 int size = info.name.length(); 3341 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3342 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3343 return size; 3344 } 3345 3346 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3347 int size = 0; 3348 for (BasePermission perm : mSettings.mPermissions.values()) { 3349 if (perm.uid == tree.uid) { 3350 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3351 } 3352 } 3353 return size; 3354 } 3355 3356 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3357 // We calculate the max size of permissions defined by this uid and throw 3358 // if that plus the size of 'info' would exceed our stated maximum. 3359 if (tree.uid != Process.SYSTEM_UID) { 3360 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3361 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3362 throw new SecurityException("Permission tree size cap exceeded"); 3363 } 3364 } 3365 } 3366 3367 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3368 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3369 throw new SecurityException("Label must be specified in permission"); 3370 } 3371 BasePermission tree = checkPermissionTreeLP(info.name); 3372 BasePermission bp = mSettings.mPermissions.get(info.name); 3373 boolean added = bp == null; 3374 boolean changed = true; 3375 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3376 if (added) { 3377 enforcePermissionCapLocked(info, tree); 3378 bp = new BasePermission(info.name, tree.sourcePackage, 3379 BasePermission.TYPE_DYNAMIC); 3380 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3381 throw new SecurityException( 3382 "Not allowed to modify non-dynamic permission " 3383 + info.name); 3384 } else { 3385 if (bp.protectionLevel == fixedLevel 3386 && bp.perm.owner.equals(tree.perm.owner) 3387 && bp.uid == tree.uid 3388 && comparePermissionInfos(bp.perm.info, info)) { 3389 changed = false; 3390 } 3391 } 3392 bp.protectionLevel = fixedLevel; 3393 info = new PermissionInfo(info); 3394 info.protectionLevel = fixedLevel; 3395 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3396 bp.perm.info.packageName = tree.perm.info.packageName; 3397 bp.uid = tree.uid; 3398 if (added) { 3399 mSettings.mPermissions.put(info.name, bp); 3400 } 3401 if (changed) { 3402 if (!async) { 3403 mSettings.writeLPr(); 3404 } else { 3405 scheduleWriteSettingsLocked(); 3406 } 3407 } 3408 return added; 3409 } 3410 3411 @Override 3412 public boolean addPermission(PermissionInfo info) { 3413 synchronized (mPackages) { 3414 return addPermissionLocked(info, false); 3415 } 3416 } 3417 3418 @Override 3419 public boolean addPermissionAsync(PermissionInfo info) { 3420 synchronized (mPackages) { 3421 return addPermissionLocked(info, true); 3422 } 3423 } 3424 3425 @Override 3426 public void removePermission(String name) { 3427 synchronized (mPackages) { 3428 checkPermissionTreeLP(name); 3429 BasePermission bp = mSettings.mPermissions.get(name); 3430 if (bp != null) { 3431 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3432 throw new SecurityException( 3433 "Not allowed to modify non-dynamic permission " 3434 + name); 3435 } 3436 mSettings.mPermissions.remove(name); 3437 mSettings.writeLPr(); 3438 } 3439 } 3440 } 3441 3442 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3443 BasePermission bp) { 3444 int index = pkg.requestedPermissions.indexOf(bp.name); 3445 if (index == -1) { 3446 throw new SecurityException("Package " + pkg.packageName 3447 + " has not requested permission " + bp.name); 3448 } 3449 if (!bp.isRuntime() && !bp.isDevelopment()) { 3450 throw new SecurityException("Permission " + bp.name 3451 + " is not a changeable permission type"); 3452 } 3453 } 3454 3455 @Override 3456 public void grantRuntimePermission(String packageName, String name, final int userId) { 3457 if (!sUserManager.exists(userId)) { 3458 Log.e(TAG, "No such user:" + userId); 3459 return; 3460 } 3461 3462 mContext.enforceCallingOrSelfPermission( 3463 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3464 "grantRuntimePermission"); 3465 3466 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3467 "grantRuntimePermission"); 3468 3469 final int uid; 3470 final SettingBase sb; 3471 3472 synchronized (mPackages) { 3473 final PackageParser.Package pkg = mPackages.get(packageName); 3474 if (pkg == null) { 3475 throw new IllegalArgumentException("Unknown package: " + packageName); 3476 } 3477 3478 final BasePermission bp = mSettings.mPermissions.get(name); 3479 if (bp == null) { 3480 throw new IllegalArgumentException("Unknown permission: " + name); 3481 } 3482 3483 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3484 3485 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3486 sb = (SettingBase) pkg.mExtras; 3487 if (sb == null) { 3488 throw new IllegalArgumentException("Unknown package: " + packageName); 3489 } 3490 3491 final PermissionsState permissionsState = sb.getPermissionsState(); 3492 3493 final int flags = permissionsState.getPermissionFlags(name, userId); 3494 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3495 throw new SecurityException("Cannot grant system fixed permission: " 3496 + name + " for package: " + packageName); 3497 } 3498 3499 if (bp.isDevelopment()) { 3500 // Development permissions must be handled specially, since they are not 3501 // normal runtime permissions. For now they apply to all users. 3502 if (permissionsState.grantInstallPermission(bp) != 3503 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3504 scheduleWriteSettingsLocked(); 3505 } 3506 return; 3507 } 3508 3509 final int result = permissionsState.grantRuntimePermission(bp, userId); 3510 switch (result) { 3511 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3512 return; 3513 } 3514 3515 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3516 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3517 mHandler.post(new Runnable() { 3518 @Override 3519 public void run() { 3520 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3521 } 3522 }); 3523 } 3524 break; 3525 } 3526 3527 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3528 3529 // Not critical if that is lost - app has to request again. 3530 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3531 } 3532 3533 // Only need to do this if user is initialized. Otherwise it's a new user 3534 // and there are no processes running as the user yet and there's no need 3535 // to make an expensive call to remount processes for the changed permissions. 3536 if (READ_EXTERNAL_STORAGE.equals(name) 3537 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3538 final long token = Binder.clearCallingIdentity(); 3539 try { 3540 if (sUserManager.isInitialized(userId)) { 3541 MountServiceInternal mountServiceInternal = LocalServices.getService( 3542 MountServiceInternal.class); 3543 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3544 } 3545 } finally { 3546 Binder.restoreCallingIdentity(token); 3547 } 3548 } 3549 } 3550 3551 @Override 3552 public void revokeRuntimePermission(String packageName, String name, int userId) { 3553 if (!sUserManager.exists(userId)) { 3554 Log.e(TAG, "No such user:" + userId); 3555 return; 3556 } 3557 3558 mContext.enforceCallingOrSelfPermission( 3559 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3560 "revokeRuntimePermission"); 3561 3562 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3563 "revokeRuntimePermission"); 3564 3565 final int appId; 3566 3567 synchronized (mPackages) { 3568 final PackageParser.Package pkg = mPackages.get(packageName); 3569 if (pkg == null) { 3570 throw new IllegalArgumentException("Unknown package: " + packageName); 3571 } 3572 3573 final BasePermission bp = mSettings.mPermissions.get(name); 3574 if (bp == null) { 3575 throw new IllegalArgumentException("Unknown permission: " + name); 3576 } 3577 3578 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3579 3580 SettingBase sb = (SettingBase) pkg.mExtras; 3581 if (sb == null) { 3582 throw new IllegalArgumentException("Unknown package: " + packageName); 3583 } 3584 3585 final PermissionsState permissionsState = sb.getPermissionsState(); 3586 3587 final int flags = permissionsState.getPermissionFlags(name, userId); 3588 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3589 throw new SecurityException("Cannot revoke system fixed permission: " 3590 + name + " for package: " + packageName); 3591 } 3592 3593 if (bp.isDevelopment()) { 3594 // Development permissions must be handled specially, since they are not 3595 // normal runtime permissions. For now they apply to all users. 3596 if (permissionsState.revokeInstallPermission(bp) != 3597 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3598 scheduleWriteSettingsLocked(); 3599 } 3600 return; 3601 } 3602 3603 if (permissionsState.revokeRuntimePermission(bp, userId) == 3604 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3605 return; 3606 } 3607 3608 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3609 3610 // Critical, after this call app should never have the permission. 3611 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3612 3613 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3614 } 3615 3616 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3617 } 3618 3619 @Override 3620 public void resetRuntimePermissions() { 3621 mContext.enforceCallingOrSelfPermission( 3622 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3623 "revokeRuntimePermission"); 3624 3625 int callingUid = Binder.getCallingUid(); 3626 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3627 mContext.enforceCallingOrSelfPermission( 3628 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3629 "resetRuntimePermissions"); 3630 } 3631 3632 synchronized (mPackages) { 3633 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3634 for (int userId : UserManagerService.getInstance().getUserIds()) { 3635 final int packageCount = mPackages.size(); 3636 for (int i = 0; i < packageCount; i++) { 3637 PackageParser.Package pkg = mPackages.valueAt(i); 3638 if (!(pkg.mExtras instanceof PackageSetting)) { 3639 continue; 3640 } 3641 PackageSetting ps = (PackageSetting) pkg.mExtras; 3642 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3643 } 3644 } 3645 } 3646 } 3647 3648 @Override 3649 public int getPermissionFlags(String name, String packageName, int userId) { 3650 if (!sUserManager.exists(userId)) { 3651 return 0; 3652 } 3653 3654 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3655 3656 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3657 "getPermissionFlags"); 3658 3659 synchronized (mPackages) { 3660 final PackageParser.Package pkg = mPackages.get(packageName); 3661 if (pkg == null) { 3662 throw new IllegalArgumentException("Unknown package: " + packageName); 3663 } 3664 3665 final BasePermission bp = mSettings.mPermissions.get(name); 3666 if (bp == null) { 3667 throw new IllegalArgumentException("Unknown permission: " + name); 3668 } 3669 3670 SettingBase sb = (SettingBase) pkg.mExtras; 3671 if (sb == null) { 3672 throw new IllegalArgumentException("Unknown package: " + packageName); 3673 } 3674 3675 PermissionsState permissionsState = sb.getPermissionsState(); 3676 return permissionsState.getPermissionFlags(name, userId); 3677 } 3678 } 3679 3680 @Override 3681 public void updatePermissionFlags(String name, String packageName, int flagMask, 3682 int flagValues, int userId) { 3683 if (!sUserManager.exists(userId)) { 3684 return; 3685 } 3686 3687 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3688 3689 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3690 "updatePermissionFlags"); 3691 3692 // Only the system can change these flags and nothing else. 3693 if (getCallingUid() != Process.SYSTEM_UID) { 3694 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3695 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3696 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3697 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3698 } 3699 3700 synchronized (mPackages) { 3701 final PackageParser.Package pkg = mPackages.get(packageName); 3702 if (pkg == null) { 3703 throw new IllegalArgumentException("Unknown package: " + packageName); 3704 } 3705 3706 final BasePermission bp = mSettings.mPermissions.get(name); 3707 if (bp == null) { 3708 throw new IllegalArgumentException("Unknown permission: " + name); 3709 } 3710 3711 SettingBase sb = (SettingBase) pkg.mExtras; 3712 if (sb == null) { 3713 throw new IllegalArgumentException("Unknown package: " + packageName); 3714 } 3715 3716 PermissionsState permissionsState = sb.getPermissionsState(); 3717 3718 // Only the package manager can change flags for system component permissions. 3719 final int flags = permissionsState.getPermissionFlags(bp.name, userId); 3720 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3721 return; 3722 } 3723 3724 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3725 3726 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3727 // Install and runtime permissions are stored in different places, 3728 // so figure out what permission changed and persist the change. 3729 if (permissionsState.getInstallPermissionState(name) != null) { 3730 scheduleWriteSettingsLocked(); 3731 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3732 || hadState) { 3733 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3734 } 3735 } 3736 } 3737 } 3738 3739 /** 3740 * Update the permission flags for all packages and runtime permissions of a user in order 3741 * to allow device or profile owner to remove POLICY_FIXED. 3742 */ 3743 @Override 3744 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3745 if (!sUserManager.exists(userId)) { 3746 return; 3747 } 3748 3749 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 3750 3751 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3752 "updatePermissionFlagsForAllApps"); 3753 3754 // Only the system can change system fixed flags. 3755 if (getCallingUid() != Process.SYSTEM_UID) { 3756 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3757 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3758 } 3759 3760 synchronized (mPackages) { 3761 boolean changed = false; 3762 final int packageCount = mPackages.size(); 3763 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 3764 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 3765 SettingBase sb = (SettingBase) pkg.mExtras; 3766 if (sb == null) { 3767 continue; 3768 } 3769 PermissionsState permissionsState = sb.getPermissionsState(); 3770 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 3771 userId, flagMask, flagValues); 3772 } 3773 if (changed) { 3774 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3775 } 3776 } 3777 } 3778 3779 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 3780 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 3781 != PackageManager.PERMISSION_GRANTED 3782 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 3783 != PackageManager.PERMISSION_GRANTED) { 3784 throw new SecurityException(message + " requires " 3785 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 3786 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 3787 } 3788 } 3789 3790 @Override 3791 public boolean shouldShowRequestPermissionRationale(String permissionName, 3792 String packageName, int userId) { 3793 if (UserHandle.getCallingUserId() != userId) { 3794 mContext.enforceCallingPermission( 3795 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3796 "canShowRequestPermissionRationale for user " + userId); 3797 } 3798 3799 final int uid = getPackageUid(packageName, userId); 3800 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 3801 return false; 3802 } 3803 3804 if (checkPermission(permissionName, packageName, userId) 3805 == PackageManager.PERMISSION_GRANTED) { 3806 return false; 3807 } 3808 3809 final int flags; 3810 3811 final long identity = Binder.clearCallingIdentity(); 3812 try { 3813 flags = getPermissionFlags(permissionName, 3814 packageName, userId); 3815 } finally { 3816 Binder.restoreCallingIdentity(identity); 3817 } 3818 3819 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 3820 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 3821 | PackageManager.FLAG_PERMISSION_USER_FIXED; 3822 3823 if ((flags & fixedFlags) != 0) { 3824 return false; 3825 } 3826 3827 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 3828 } 3829 3830 @Override 3831 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3832 mContext.enforceCallingOrSelfPermission( 3833 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 3834 "addOnPermissionsChangeListener"); 3835 3836 synchronized (mPackages) { 3837 mOnPermissionChangeListeners.addListenerLocked(listener); 3838 } 3839 } 3840 3841 @Override 3842 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 3843 synchronized (mPackages) { 3844 mOnPermissionChangeListeners.removeListenerLocked(listener); 3845 } 3846 } 3847 3848 @Override 3849 public boolean isProtectedBroadcast(String actionName) { 3850 synchronized (mPackages) { 3851 return mProtectedBroadcasts.contains(actionName); 3852 } 3853 } 3854 3855 @Override 3856 public int checkSignatures(String pkg1, String pkg2) { 3857 synchronized (mPackages) { 3858 final PackageParser.Package p1 = mPackages.get(pkg1); 3859 final PackageParser.Package p2 = mPackages.get(pkg2); 3860 if (p1 == null || p1.mExtras == null 3861 || p2 == null || p2.mExtras == null) { 3862 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3863 } 3864 return compareSignatures(p1.mSignatures, p2.mSignatures); 3865 } 3866 } 3867 3868 @Override 3869 public int checkUidSignatures(int uid1, int uid2) { 3870 // Map to base uids. 3871 uid1 = UserHandle.getAppId(uid1); 3872 uid2 = UserHandle.getAppId(uid2); 3873 // reader 3874 synchronized (mPackages) { 3875 Signature[] s1; 3876 Signature[] s2; 3877 Object obj = mSettings.getUserIdLPr(uid1); 3878 if (obj != null) { 3879 if (obj instanceof SharedUserSetting) { 3880 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 3881 } else if (obj instanceof PackageSetting) { 3882 s1 = ((PackageSetting)obj).signatures.mSignatures; 3883 } else { 3884 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3885 } 3886 } else { 3887 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3888 } 3889 obj = mSettings.getUserIdLPr(uid2); 3890 if (obj != null) { 3891 if (obj instanceof SharedUserSetting) { 3892 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 3893 } else if (obj instanceof PackageSetting) { 3894 s2 = ((PackageSetting)obj).signatures.mSignatures; 3895 } else { 3896 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3897 } 3898 } else { 3899 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 3900 } 3901 return compareSignatures(s1, s2); 3902 } 3903 } 3904 3905 private void killUid(int appId, int userId, String reason) { 3906 final long identity = Binder.clearCallingIdentity(); 3907 try { 3908 IActivityManager am = ActivityManagerNative.getDefault(); 3909 if (am != null) { 3910 try { 3911 am.killUid(appId, userId, reason); 3912 } catch (RemoteException e) { 3913 /* ignore - same process */ 3914 } 3915 } 3916 } finally { 3917 Binder.restoreCallingIdentity(identity); 3918 } 3919 } 3920 3921 /** 3922 * Compares two sets of signatures. Returns: 3923 * <br /> 3924 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 3925 * <br /> 3926 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 3927 * <br /> 3928 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 3929 * <br /> 3930 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 3931 * <br /> 3932 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 3933 */ 3934 static int compareSignatures(Signature[] s1, Signature[] s2) { 3935 if (s1 == null) { 3936 return s2 == null 3937 ? PackageManager.SIGNATURE_NEITHER_SIGNED 3938 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 3939 } 3940 3941 if (s2 == null) { 3942 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 3943 } 3944 3945 if (s1.length != s2.length) { 3946 return PackageManager.SIGNATURE_NO_MATCH; 3947 } 3948 3949 // Since both signature sets are of size 1, we can compare without HashSets. 3950 if (s1.length == 1) { 3951 return s1[0].equals(s2[0]) ? 3952 PackageManager.SIGNATURE_MATCH : 3953 PackageManager.SIGNATURE_NO_MATCH; 3954 } 3955 3956 ArraySet<Signature> set1 = new ArraySet<Signature>(); 3957 for (Signature sig : s1) { 3958 set1.add(sig); 3959 } 3960 ArraySet<Signature> set2 = new ArraySet<Signature>(); 3961 for (Signature sig : s2) { 3962 set2.add(sig); 3963 } 3964 // Make sure s2 contains all signatures in s1. 3965 if (set1.equals(set2)) { 3966 return PackageManager.SIGNATURE_MATCH; 3967 } 3968 return PackageManager.SIGNATURE_NO_MATCH; 3969 } 3970 3971 /** 3972 * If the database version for this type of package (internal storage or 3973 * external storage) is less than the version where package signatures 3974 * were updated, return true. 3975 */ 3976 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 3977 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 3978 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 3979 } 3980 3981 /** 3982 * Used for backward compatibility to make sure any packages with 3983 * certificate chains get upgraded to the new style. {@code existingSigs} 3984 * will be in the old format (since they were stored on disk from before the 3985 * system upgrade) and {@code scannedSigs} will be in the newer format. 3986 */ 3987 private int compareSignaturesCompat(PackageSignatures existingSigs, 3988 PackageParser.Package scannedPkg) { 3989 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 3990 return PackageManager.SIGNATURE_NO_MATCH; 3991 } 3992 3993 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 3994 for (Signature sig : existingSigs.mSignatures) { 3995 existingSet.add(sig); 3996 } 3997 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 3998 for (Signature sig : scannedPkg.mSignatures) { 3999 try { 4000 Signature[] chainSignatures = sig.getChainSignatures(); 4001 for (Signature chainSig : chainSignatures) { 4002 scannedCompatSet.add(chainSig); 4003 } 4004 } catch (CertificateEncodingException e) { 4005 scannedCompatSet.add(sig); 4006 } 4007 } 4008 /* 4009 * Make sure the expanded scanned set contains all signatures in the 4010 * existing one. 4011 */ 4012 if (scannedCompatSet.equals(existingSet)) { 4013 // Migrate the old signatures to the new scheme. 4014 existingSigs.assignSignatures(scannedPkg.mSignatures); 4015 // The new KeySets will be re-added later in the scanning process. 4016 synchronized (mPackages) { 4017 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4018 } 4019 return PackageManager.SIGNATURE_MATCH; 4020 } 4021 return PackageManager.SIGNATURE_NO_MATCH; 4022 } 4023 4024 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4025 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4026 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4027 } 4028 4029 private int compareSignaturesRecover(PackageSignatures existingSigs, 4030 PackageParser.Package scannedPkg) { 4031 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4032 return PackageManager.SIGNATURE_NO_MATCH; 4033 } 4034 4035 String msg = null; 4036 try { 4037 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4038 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4039 + scannedPkg.packageName); 4040 return PackageManager.SIGNATURE_MATCH; 4041 } 4042 } catch (CertificateException e) { 4043 msg = e.getMessage(); 4044 } 4045 4046 logCriticalInfo(Log.INFO, 4047 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4048 return PackageManager.SIGNATURE_NO_MATCH; 4049 } 4050 4051 @Override 4052 public String[] getPackagesForUid(int uid) { 4053 uid = UserHandle.getAppId(uid); 4054 // reader 4055 synchronized (mPackages) { 4056 Object obj = mSettings.getUserIdLPr(uid); 4057 if (obj instanceof SharedUserSetting) { 4058 final SharedUserSetting sus = (SharedUserSetting) obj; 4059 final int N = sus.packages.size(); 4060 final String[] res = new String[N]; 4061 final Iterator<PackageSetting> it = sus.packages.iterator(); 4062 int i = 0; 4063 while (it.hasNext()) { 4064 res[i++] = it.next().name; 4065 } 4066 return res; 4067 } else if (obj instanceof PackageSetting) { 4068 final PackageSetting ps = (PackageSetting) obj; 4069 return new String[] { ps.name }; 4070 } 4071 } 4072 return null; 4073 } 4074 4075 @Override 4076 public String getNameForUid(int uid) { 4077 // reader 4078 synchronized (mPackages) { 4079 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4080 if (obj instanceof SharedUserSetting) { 4081 final SharedUserSetting sus = (SharedUserSetting) obj; 4082 return sus.name + ":" + sus.userId; 4083 } else if (obj instanceof PackageSetting) { 4084 final PackageSetting ps = (PackageSetting) obj; 4085 return ps.name; 4086 } 4087 } 4088 return null; 4089 } 4090 4091 @Override 4092 public int getUidForSharedUser(String sharedUserName) { 4093 if(sharedUserName == null) { 4094 return -1; 4095 } 4096 // reader 4097 synchronized (mPackages) { 4098 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4099 if (suid == null) { 4100 return -1; 4101 } 4102 return suid.userId; 4103 } 4104 } 4105 4106 @Override 4107 public int getFlagsForUid(int uid) { 4108 synchronized (mPackages) { 4109 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4110 if (obj instanceof SharedUserSetting) { 4111 final SharedUserSetting sus = (SharedUserSetting) obj; 4112 return sus.pkgFlags; 4113 } else if (obj instanceof PackageSetting) { 4114 final PackageSetting ps = (PackageSetting) obj; 4115 return ps.pkgFlags; 4116 } 4117 } 4118 return 0; 4119 } 4120 4121 @Override 4122 public int getPrivateFlagsForUid(int uid) { 4123 synchronized (mPackages) { 4124 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4125 if (obj instanceof SharedUserSetting) { 4126 final SharedUserSetting sus = (SharedUserSetting) obj; 4127 return sus.pkgPrivateFlags; 4128 } else if (obj instanceof PackageSetting) { 4129 final PackageSetting ps = (PackageSetting) obj; 4130 return ps.pkgPrivateFlags; 4131 } 4132 } 4133 return 0; 4134 } 4135 4136 @Override 4137 public boolean isUidPrivileged(int uid) { 4138 uid = UserHandle.getAppId(uid); 4139 // reader 4140 synchronized (mPackages) { 4141 Object obj = mSettings.getUserIdLPr(uid); 4142 if (obj instanceof SharedUserSetting) { 4143 final SharedUserSetting sus = (SharedUserSetting) obj; 4144 final Iterator<PackageSetting> it = sus.packages.iterator(); 4145 while (it.hasNext()) { 4146 if (it.next().isPrivileged()) { 4147 return true; 4148 } 4149 } 4150 } else if (obj instanceof PackageSetting) { 4151 final PackageSetting ps = (PackageSetting) obj; 4152 return ps.isPrivileged(); 4153 } 4154 } 4155 return false; 4156 } 4157 4158 @Override 4159 public String[] getAppOpPermissionPackages(String permissionName) { 4160 synchronized (mPackages) { 4161 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4162 if (pkgs == null) { 4163 return null; 4164 } 4165 return pkgs.toArray(new String[pkgs.size()]); 4166 } 4167 } 4168 4169 @Override 4170 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4171 int flags, int userId) { 4172 if (!sUserManager.exists(userId)) return null; 4173 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4174 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4175 return chooseBestActivity(intent, resolvedType, flags, query, userId); 4176 } 4177 4178 @Override 4179 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4180 IntentFilter filter, int match, ComponentName activity) { 4181 final int userId = UserHandle.getCallingUserId(); 4182 if (DEBUG_PREFERRED) { 4183 Log.v(TAG, "setLastChosenActivity intent=" + intent 4184 + " resolvedType=" + resolvedType 4185 + " flags=" + flags 4186 + " filter=" + filter 4187 + " match=" + match 4188 + " activity=" + activity); 4189 filter.dump(new PrintStreamPrinter(System.out), " "); 4190 } 4191 intent.setComponent(null); 4192 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4193 // Find any earlier preferred or last chosen entries and nuke them 4194 findPreferredActivity(intent, resolvedType, 4195 flags, query, 0, false, true, false, userId); 4196 // Add the new activity as the last chosen for this filter 4197 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4198 "Setting last chosen"); 4199 } 4200 4201 @Override 4202 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4203 final int userId = UserHandle.getCallingUserId(); 4204 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4205 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4206 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4207 false, false, false, userId); 4208 } 4209 4210 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4211 int flags, List<ResolveInfo> query, int userId) { 4212 if (query != null) { 4213 final int N = query.size(); 4214 if (N == 1) { 4215 return query.get(0); 4216 } else if (N > 1) { 4217 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4218 // If there is more than one activity with the same priority, 4219 // then let the user decide between them. 4220 ResolveInfo r0 = query.get(0); 4221 ResolveInfo r1 = query.get(1); 4222 if (DEBUG_INTENT_MATCHING || debug) { 4223 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4224 + r1.activityInfo.name + "=" + r1.priority); 4225 } 4226 // If the first activity has a higher priority, or a different 4227 // default, then it is always desireable to pick it. 4228 if (r0.priority != r1.priority 4229 || r0.preferredOrder != r1.preferredOrder 4230 || r0.isDefault != r1.isDefault) { 4231 return query.get(0); 4232 } 4233 // If we have saved a preference for a preferred activity for 4234 // this Intent, use that. 4235 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4236 flags, query, r0.priority, true, false, debug, userId); 4237 if (ri != null) { 4238 return ri; 4239 } 4240 ri = new ResolveInfo(mResolveInfo); 4241 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4242 ri.activityInfo.applicationInfo = new ApplicationInfo( 4243 ri.activityInfo.applicationInfo); 4244 if (userId != 0) { 4245 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4246 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4247 } 4248 // Make sure that the resolver is displayable in car mode 4249 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4250 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4251 return ri; 4252 } 4253 } 4254 return null; 4255 } 4256 4257 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4258 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4259 final int N = query.size(); 4260 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4261 .get(userId); 4262 // Get the list of persistent preferred activities that handle the intent 4263 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4264 List<PersistentPreferredActivity> pprefs = ppir != null 4265 ? ppir.queryIntent(intent, resolvedType, 4266 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4267 : null; 4268 if (pprefs != null && pprefs.size() > 0) { 4269 final int M = pprefs.size(); 4270 for (int i=0; i<M; i++) { 4271 final PersistentPreferredActivity ppa = pprefs.get(i); 4272 if (DEBUG_PREFERRED || debug) { 4273 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4274 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4275 + "\n component=" + ppa.mComponent); 4276 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4277 } 4278 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4279 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4280 if (DEBUG_PREFERRED || debug) { 4281 Slog.v(TAG, "Found persistent preferred activity:"); 4282 if (ai != null) { 4283 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4284 } else { 4285 Slog.v(TAG, " null"); 4286 } 4287 } 4288 if (ai == null) { 4289 // This previously registered persistent preferred activity 4290 // component is no longer known. Ignore it and do NOT remove it. 4291 continue; 4292 } 4293 for (int j=0; j<N; j++) { 4294 final ResolveInfo ri = query.get(j); 4295 if (!ri.activityInfo.applicationInfo.packageName 4296 .equals(ai.applicationInfo.packageName)) { 4297 continue; 4298 } 4299 if (!ri.activityInfo.name.equals(ai.name)) { 4300 continue; 4301 } 4302 // Found a persistent preference that can handle the intent. 4303 if (DEBUG_PREFERRED || debug) { 4304 Slog.v(TAG, "Returning persistent preferred activity: " + 4305 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4306 } 4307 return ri; 4308 } 4309 } 4310 } 4311 return null; 4312 } 4313 4314 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4315 List<ResolveInfo> query, int priority, boolean always, 4316 boolean removeMatches, boolean debug, int userId) { 4317 if (!sUserManager.exists(userId)) return null; 4318 // writer 4319 synchronized (mPackages) { 4320 if (intent.getSelector() != null) { 4321 intent = intent.getSelector(); 4322 } 4323 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4324 4325 // Try to find a matching persistent preferred activity. 4326 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4327 debug, userId); 4328 4329 // If a persistent preferred activity matched, use it. 4330 if (pri != null) { 4331 return pri; 4332 } 4333 4334 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4335 // Get the list of preferred activities that handle the intent 4336 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4337 List<PreferredActivity> prefs = pir != null 4338 ? pir.queryIntent(intent, resolvedType, 4339 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4340 : null; 4341 if (prefs != null && prefs.size() > 0) { 4342 boolean changed = false; 4343 try { 4344 // First figure out how good the original match set is. 4345 // We will only allow preferred activities that came 4346 // from the same match quality. 4347 int match = 0; 4348 4349 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4350 4351 final int N = query.size(); 4352 for (int j=0; j<N; j++) { 4353 final ResolveInfo ri = query.get(j); 4354 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4355 + ": 0x" + Integer.toHexString(match)); 4356 if (ri.match > match) { 4357 match = ri.match; 4358 } 4359 } 4360 4361 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4362 + Integer.toHexString(match)); 4363 4364 match &= IntentFilter.MATCH_CATEGORY_MASK; 4365 final int M = prefs.size(); 4366 for (int i=0; i<M; i++) { 4367 final PreferredActivity pa = prefs.get(i); 4368 if (DEBUG_PREFERRED || debug) { 4369 Slog.v(TAG, "Checking PreferredActivity ds=" 4370 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4371 + "\n component=" + pa.mPref.mComponent); 4372 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4373 } 4374 if (pa.mPref.mMatch != match) { 4375 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4376 + Integer.toHexString(pa.mPref.mMatch)); 4377 continue; 4378 } 4379 // If it's not an "always" type preferred activity and that's what we're 4380 // looking for, skip it. 4381 if (always && !pa.mPref.mAlways) { 4382 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4383 continue; 4384 } 4385 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4386 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 4387 if (DEBUG_PREFERRED || debug) { 4388 Slog.v(TAG, "Found preferred activity:"); 4389 if (ai != null) { 4390 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4391 } else { 4392 Slog.v(TAG, " null"); 4393 } 4394 } 4395 if (ai == null) { 4396 // This previously registered preferred activity 4397 // component is no longer known. Most likely an update 4398 // to the app was installed and in the new version this 4399 // component no longer exists. Clean it up by removing 4400 // it from the preferred activities list, and skip it. 4401 Slog.w(TAG, "Removing dangling preferred activity: " 4402 + pa.mPref.mComponent); 4403 pir.removeFilter(pa); 4404 changed = true; 4405 continue; 4406 } 4407 for (int j=0; j<N; j++) { 4408 final ResolveInfo ri = query.get(j); 4409 if (!ri.activityInfo.applicationInfo.packageName 4410 .equals(ai.applicationInfo.packageName)) { 4411 continue; 4412 } 4413 if (!ri.activityInfo.name.equals(ai.name)) { 4414 continue; 4415 } 4416 4417 if (removeMatches) { 4418 pir.removeFilter(pa); 4419 changed = true; 4420 if (DEBUG_PREFERRED) { 4421 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4422 } 4423 break; 4424 } 4425 4426 // Okay we found a previously set preferred or last chosen app. 4427 // If the result set is different from when this 4428 // was created, we need to clear it and re-ask the 4429 // user their preference, if we're looking for an "always" type entry. 4430 if (always && !pa.mPref.sameSet(query)) { 4431 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4432 + intent + " type " + resolvedType); 4433 if (DEBUG_PREFERRED) { 4434 Slog.v(TAG, "Removing preferred activity since set changed " 4435 + pa.mPref.mComponent); 4436 } 4437 pir.removeFilter(pa); 4438 // Re-add the filter as a "last chosen" entry (!always) 4439 PreferredActivity lastChosen = new PreferredActivity( 4440 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4441 pir.addFilter(lastChosen); 4442 changed = true; 4443 return null; 4444 } 4445 4446 // Yay! Either the set matched or we're looking for the last chosen 4447 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4448 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4449 return ri; 4450 } 4451 } 4452 } finally { 4453 if (changed) { 4454 if (DEBUG_PREFERRED) { 4455 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4456 } 4457 scheduleWritePackageRestrictionsLocked(userId); 4458 } 4459 } 4460 } 4461 } 4462 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4463 return null; 4464 } 4465 4466 /* 4467 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4468 */ 4469 @Override 4470 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4471 int targetUserId) { 4472 mContext.enforceCallingOrSelfPermission( 4473 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4474 List<CrossProfileIntentFilter> matches = 4475 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4476 if (matches != null) { 4477 int size = matches.size(); 4478 for (int i = 0; i < size; i++) { 4479 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4480 } 4481 } 4482 if (hasWebURI(intent)) { 4483 // cross-profile app linking works only towards the parent. 4484 final UserInfo parent = getProfileParent(sourceUserId); 4485 synchronized(mPackages) { 4486 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4487 intent, resolvedType, 0, sourceUserId, parent.id); 4488 return xpDomainInfo != null; 4489 } 4490 } 4491 return false; 4492 } 4493 4494 private UserInfo getProfileParent(int userId) { 4495 final long identity = Binder.clearCallingIdentity(); 4496 try { 4497 return sUserManager.getProfileParent(userId); 4498 } finally { 4499 Binder.restoreCallingIdentity(identity); 4500 } 4501 } 4502 4503 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4504 String resolvedType, int userId) { 4505 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4506 if (resolver != null) { 4507 return resolver.queryIntent(intent, resolvedType, false, userId); 4508 } 4509 return null; 4510 } 4511 4512 @Override 4513 public List<ResolveInfo> queryIntentActivities(Intent intent, 4514 String resolvedType, int flags, int userId) { 4515 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4516 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4517 ComponentName comp = intent.getComponent(); 4518 if (comp == null) { 4519 if (intent.getSelector() != null) { 4520 intent = intent.getSelector(); 4521 comp = intent.getComponent(); 4522 } 4523 } 4524 4525 if (comp != null) { 4526 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4527 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4528 if (ai != null) { 4529 final ResolveInfo ri = new ResolveInfo(); 4530 ri.activityInfo = ai; 4531 list.add(ri); 4532 } 4533 return list; 4534 } 4535 4536 // reader 4537 synchronized (mPackages) { 4538 final String pkgName = intent.getPackage(); 4539 if (pkgName == null) { 4540 List<CrossProfileIntentFilter> matchingFilters = 4541 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4542 // Check for results that need to skip the current profile. 4543 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4544 resolvedType, flags, userId); 4545 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4546 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4547 result.add(xpResolveInfo); 4548 return filterIfNotPrimaryUser(result, userId); 4549 } 4550 4551 // Check for results in the current profile. 4552 List<ResolveInfo> result = mActivities.queryIntent( 4553 intent, resolvedType, flags, userId); 4554 4555 // Check for cross profile results. 4556 xpResolveInfo = queryCrossProfileIntents( 4557 matchingFilters, intent, resolvedType, flags, userId); 4558 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4559 result.add(xpResolveInfo); 4560 Collections.sort(result, mResolvePrioritySorter); 4561 } 4562 result = filterIfNotPrimaryUser(result, userId); 4563 if (hasWebURI(intent)) { 4564 CrossProfileDomainInfo xpDomainInfo = null; 4565 final UserInfo parent = getProfileParent(userId); 4566 if (parent != null) { 4567 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4568 flags, userId, parent.id); 4569 } 4570 if (xpDomainInfo != null) { 4571 if (xpResolveInfo != null) { 4572 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4573 // in the result. 4574 result.remove(xpResolveInfo); 4575 } 4576 if (result.size() == 0) { 4577 result.add(xpDomainInfo.resolveInfo); 4578 return result; 4579 } 4580 } else if (result.size() <= 1) { 4581 return result; 4582 } 4583 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4584 xpDomainInfo, userId); 4585 Collections.sort(result, mResolvePrioritySorter); 4586 } 4587 return result; 4588 } 4589 final PackageParser.Package pkg = mPackages.get(pkgName); 4590 if (pkg != null) { 4591 return filterIfNotPrimaryUser( 4592 mActivities.queryIntentForPackage( 4593 intent, resolvedType, flags, pkg.activities, userId), 4594 userId); 4595 } 4596 return new ArrayList<ResolveInfo>(); 4597 } 4598 } 4599 4600 private static class CrossProfileDomainInfo { 4601 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4602 ResolveInfo resolveInfo; 4603 /* Best domain verification status of the activities found in the other profile */ 4604 int bestDomainVerificationStatus; 4605 } 4606 4607 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4608 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4609 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4610 sourceUserId)) { 4611 return null; 4612 } 4613 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4614 resolvedType, flags, parentUserId); 4615 4616 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 4617 return null; 4618 } 4619 CrossProfileDomainInfo result = null; 4620 int size = resultTargetUser.size(); 4621 for (int i = 0; i < size; i++) { 4622 ResolveInfo riTargetUser = resultTargetUser.get(i); 4623 // Intent filter verification is only for filters that specify a host. So don't return 4624 // those that handle all web uris. 4625 if (riTargetUser.handleAllWebDataURI) { 4626 continue; 4627 } 4628 String packageName = riTargetUser.activityInfo.packageName; 4629 PackageSetting ps = mSettings.mPackages.get(packageName); 4630 if (ps == null) { 4631 continue; 4632 } 4633 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 4634 int status = (int)(verificationState >> 32); 4635 if (result == null) { 4636 result = new CrossProfileDomainInfo(); 4637 result.resolveInfo = 4638 createForwardingResolveInfo(new IntentFilter(), sourceUserId, parentUserId); 4639 result.bestDomainVerificationStatus = status; 4640 } else { 4641 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 4642 result.bestDomainVerificationStatus); 4643 } 4644 } 4645 // Don't consider matches with status NEVER across profiles. 4646 if (result != null && result.bestDomainVerificationStatus 4647 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4648 return null; 4649 } 4650 return result; 4651 } 4652 4653 /** 4654 * Verification statuses are ordered from the worse to the best, except for 4655 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 4656 */ 4657 private int bestDomainVerificationStatus(int status1, int status2) { 4658 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4659 return status2; 4660 } 4661 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4662 return status1; 4663 } 4664 return (int) MathUtils.max(status1, status2); 4665 } 4666 4667 private boolean isUserEnabled(int userId) { 4668 long callingId = Binder.clearCallingIdentity(); 4669 try { 4670 UserInfo userInfo = sUserManager.getUserInfo(userId); 4671 return userInfo != null && userInfo.isEnabled(); 4672 } finally { 4673 Binder.restoreCallingIdentity(callingId); 4674 } 4675 } 4676 4677 /** 4678 * Filter out activities with primaryUserOnly flag set, when current user is not the owner. 4679 * 4680 * @return filtered list 4681 */ 4682 private List<ResolveInfo> filterIfNotPrimaryUser(List<ResolveInfo> resolveInfos, int userId) { 4683 if (userId == UserHandle.USER_OWNER) { 4684 return resolveInfos; 4685 } 4686 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 4687 ResolveInfo info = resolveInfos.get(i); 4688 if ((info.activityInfo.flags & ActivityInfo.FLAG_PRIMARY_USER_ONLY) != 0) { 4689 resolveInfos.remove(i); 4690 } 4691 } 4692 return resolveInfos; 4693 } 4694 4695 private static boolean hasWebURI(Intent intent) { 4696 if (intent.getData() == null) { 4697 return false; 4698 } 4699 final String scheme = intent.getScheme(); 4700 if (TextUtils.isEmpty(scheme)) { 4701 return false; 4702 } 4703 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 4704 } 4705 4706 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 4707 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 4708 int userId) { 4709 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 4710 4711 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4712 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 4713 candidates.size()); 4714 } 4715 4716 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 4717 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 4718 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 4719 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 4720 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 4721 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 4722 4723 synchronized (mPackages) { 4724 final int count = candidates.size(); 4725 // First, try to use linked apps. Partition the candidates into four lists: 4726 // one for the final results, one for the "do not use ever", one for "undefined status" 4727 // and finally one for "browser app type". 4728 for (int n=0; n<count; n++) { 4729 ResolveInfo info = candidates.get(n); 4730 String packageName = info.activityInfo.packageName; 4731 PackageSetting ps = mSettings.mPackages.get(packageName); 4732 if (ps != null) { 4733 // Add to the special match all list (Browser use case) 4734 if (info.handleAllWebDataURI) { 4735 matchAllList.add(info); 4736 continue; 4737 } 4738 // Try to get the status from User settings first 4739 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4740 int status = (int)(packedStatus >> 32); 4741 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 4742 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4743 if (DEBUG_DOMAIN_VERIFICATION) { 4744 Slog.i(TAG, " + always: " + info.activityInfo.packageName 4745 + " : linkgen=" + linkGeneration); 4746 } 4747 // Use link-enabled generation as preferredOrder, i.e. 4748 // prefer newly-enabled over earlier-enabled. 4749 info.preferredOrder = linkGeneration; 4750 alwaysList.add(info); 4751 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 4752 if (DEBUG_DOMAIN_VERIFICATION) { 4753 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 4754 } 4755 neverList.add(info); 4756 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4757 if (DEBUG_DOMAIN_VERIFICATION) { 4758 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 4759 } 4760 alwaysAskList.add(info); 4761 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 4762 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 4763 if (DEBUG_DOMAIN_VERIFICATION) { 4764 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 4765 } 4766 undefinedList.add(info); 4767 } 4768 } 4769 } 4770 4771 // We'll want to include browser possibilities in a few cases 4772 boolean includeBrowser = false; 4773 4774 // First try to add the "always" resolution(s) for the current user, if any 4775 if (alwaysList.size() > 0) { 4776 result.addAll(alwaysList); 4777 // if there is an "always" for the parent user, add it. 4778 } else if (xpDomainInfo != null && xpDomainInfo.bestDomainVerificationStatus 4779 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 4780 result.add(xpDomainInfo.resolveInfo); 4781 } else { 4782 // Add all undefined apps as we want them to appear in the disambiguation dialog. 4783 result.addAll(undefinedList); 4784 if (xpDomainInfo != null && ( 4785 xpDomainInfo.bestDomainVerificationStatus 4786 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 4787 || xpDomainInfo.bestDomainVerificationStatus 4788 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK)) { 4789 result.add(xpDomainInfo.resolveInfo); 4790 } 4791 includeBrowser = true; 4792 } 4793 4794 // The presence of any 'always ask' alternatives means we'll also offer browsers. 4795 // If there were 'always' entries their preferred order has been set, so we also 4796 // back that off to make the alternatives equivalent 4797 if (alwaysAskList.size() > 0) { 4798 for (ResolveInfo i : result) { 4799 i.preferredOrder = 0; 4800 } 4801 result.addAll(alwaysAskList); 4802 includeBrowser = true; 4803 } 4804 4805 if (includeBrowser) { 4806 // Also add browsers (all of them or only the default one) 4807 if (DEBUG_DOMAIN_VERIFICATION) { 4808 Slog.v(TAG, " ...including browsers in candidate set"); 4809 } 4810 if ((matchFlags & MATCH_ALL) != 0) { 4811 result.addAll(matchAllList); 4812 } else { 4813 // Browser/generic handling case. If there's a default browser, go straight 4814 // to that (but only if there is no other higher-priority match). 4815 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 4816 int maxMatchPrio = 0; 4817 ResolveInfo defaultBrowserMatch = null; 4818 final int numCandidates = matchAllList.size(); 4819 for (int n = 0; n < numCandidates; n++) { 4820 ResolveInfo info = matchAllList.get(n); 4821 // track the highest overall match priority... 4822 if (info.priority > maxMatchPrio) { 4823 maxMatchPrio = info.priority; 4824 } 4825 // ...and the highest-priority default browser match 4826 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 4827 if (defaultBrowserMatch == null 4828 || (defaultBrowserMatch.priority < info.priority)) { 4829 if (debug) { 4830 Slog.v(TAG, "Considering default browser match " + info); 4831 } 4832 defaultBrowserMatch = info; 4833 } 4834 } 4835 } 4836 if (defaultBrowserMatch != null 4837 && defaultBrowserMatch.priority >= maxMatchPrio 4838 && !TextUtils.isEmpty(defaultBrowserPackageName)) 4839 { 4840 if (debug) { 4841 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 4842 } 4843 result.add(defaultBrowserMatch); 4844 } else { 4845 result.addAll(matchAllList); 4846 } 4847 } 4848 4849 // If there is nothing selected, add all candidates and remove the ones that the user 4850 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 4851 if (result.size() == 0) { 4852 result.addAll(candidates); 4853 result.removeAll(neverList); 4854 } 4855 } 4856 } 4857 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 4858 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 4859 result.size()); 4860 for (ResolveInfo info : result) { 4861 Slog.v(TAG, " + " + info.activityInfo); 4862 } 4863 } 4864 return result; 4865 } 4866 4867 // Returns a packed value as a long: 4868 // 4869 // high 'int'-sized word: link status: undefined/ask/never/always. 4870 // low 'int'-sized word: relative priority among 'always' results. 4871 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 4872 long result = ps.getDomainVerificationStatusForUser(userId); 4873 // if none available, get the master status 4874 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 4875 if (ps.getIntentFilterVerificationInfo() != null) { 4876 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 4877 } 4878 } 4879 return result; 4880 } 4881 4882 private ResolveInfo querySkipCurrentProfileIntents( 4883 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4884 int flags, int sourceUserId) { 4885 if (matchingFilters != null) { 4886 int size = matchingFilters.size(); 4887 for (int i = 0; i < size; i ++) { 4888 CrossProfileIntentFilter filter = matchingFilters.get(i); 4889 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 4890 // Checking if there are activities in the target user that can handle the 4891 // intent. 4892 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4893 flags, sourceUserId); 4894 if (resolveInfo != null) { 4895 return resolveInfo; 4896 } 4897 } 4898 } 4899 } 4900 return null; 4901 } 4902 4903 // Return matching ResolveInfo if any for skip current profile intent filters. 4904 private ResolveInfo queryCrossProfileIntents( 4905 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 4906 int flags, int sourceUserId) { 4907 if (matchingFilters != null) { 4908 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 4909 // match the same intent. For performance reasons, it is better not to 4910 // run queryIntent twice for the same userId 4911 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 4912 int size = matchingFilters.size(); 4913 for (int i = 0; i < size; i++) { 4914 CrossProfileIntentFilter filter = matchingFilters.get(i); 4915 int targetUserId = filter.getTargetUserId(); 4916 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 4917 && !alreadyTriedUserIds.get(targetUserId)) { 4918 // Checking if there are activities in the target user that can handle the 4919 // intent. 4920 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 4921 flags, sourceUserId); 4922 if (resolveInfo != null) return resolveInfo; 4923 alreadyTriedUserIds.put(targetUserId, true); 4924 } 4925 } 4926 } 4927 return null; 4928 } 4929 4930 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 4931 String resolvedType, int flags, int sourceUserId) { 4932 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 4933 resolvedType, flags, filter.getTargetUserId()); 4934 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 4935 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 4936 } 4937 return null; 4938 } 4939 4940 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 4941 int sourceUserId, int targetUserId) { 4942 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 4943 String className; 4944 if (targetUserId == UserHandle.USER_OWNER) { 4945 className = FORWARD_INTENT_TO_USER_OWNER; 4946 } else { 4947 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 4948 } 4949 ComponentName forwardingActivityComponentName = new ComponentName( 4950 mAndroidApplication.packageName, className); 4951 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 4952 sourceUserId); 4953 if (targetUserId == UserHandle.USER_OWNER) { 4954 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 4955 forwardingResolveInfo.noResourceId = true; 4956 } 4957 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 4958 forwardingResolveInfo.priority = 0; 4959 forwardingResolveInfo.preferredOrder = 0; 4960 forwardingResolveInfo.match = 0; 4961 forwardingResolveInfo.isDefault = true; 4962 forwardingResolveInfo.filter = filter; 4963 forwardingResolveInfo.targetUserId = targetUserId; 4964 return forwardingResolveInfo; 4965 } 4966 4967 @Override 4968 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 4969 Intent[] specifics, String[] specificTypes, Intent intent, 4970 String resolvedType, int flags, int userId) { 4971 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4972 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 4973 false, "query intent activity options"); 4974 final String resultsAction = intent.getAction(); 4975 4976 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 4977 | PackageManager.GET_RESOLVED_FILTER, userId); 4978 4979 if (DEBUG_INTENT_MATCHING) { 4980 Log.v(TAG, "Query " + intent + ": " + results); 4981 } 4982 4983 int specificsPos = 0; 4984 int N; 4985 4986 // todo: note that the algorithm used here is O(N^2). This 4987 // isn't a problem in our current environment, but if we start running 4988 // into situations where we have more than 5 or 10 matches then this 4989 // should probably be changed to something smarter... 4990 4991 // First we go through and resolve each of the specific items 4992 // that were supplied, taking care of removing any corresponding 4993 // duplicate items in the generic resolve list. 4994 if (specifics != null) { 4995 for (int i=0; i<specifics.length; i++) { 4996 final Intent sintent = specifics[i]; 4997 if (sintent == null) { 4998 continue; 4999 } 5000 5001 if (DEBUG_INTENT_MATCHING) { 5002 Log.v(TAG, "Specific #" + i + ": " + sintent); 5003 } 5004 5005 String action = sintent.getAction(); 5006 if (resultsAction != null && resultsAction.equals(action)) { 5007 // If this action was explicitly requested, then don't 5008 // remove things that have it. 5009 action = null; 5010 } 5011 5012 ResolveInfo ri = null; 5013 ActivityInfo ai = null; 5014 5015 ComponentName comp = sintent.getComponent(); 5016 if (comp == null) { 5017 ri = resolveIntent( 5018 sintent, 5019 specificTypes != null ? specificTypes[i] : null, 5020 flags, userId); 5021 if (ri == null) { 5022 continue; 5023 } 5024 if (ri == mResolveInfo) { 5025 // ACK! Must do something better with this. 5026 } 5027 ai = ri.activityInfo; 5028 comp = new ComponentName(ai.applicationInfo.packageName, 5029 ai.name); 5030 } else { 5031 ai = getActivityInfo(comp, flags, userId); 5032 if (ai == null) { 5033 continue; 5034 } 5035 } 5036 5037 // Look for any generic query activities that are duplicates 5038 // of this specific one, and remove them from the results. 5039 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5040 N = results.size(); 5041 int j; 5042 for (j=specificsPos; j<N; j++) { 5043 ResolveInfo sri = results.get(j); 5044 if ((sri.activityInfo.name.equals(comp.getClassName()) 5045 && sri.activityInfo.applicationInfo.packageName.equals( 5046 comp.getPackageName())) 5047 || (action != null && sri.filter.matchAction(action))) { 5048 results.remove(j); 5049 if (DEBUG_INTENT_MATCHING) Log.v( 5050 TAG, "Removing duplicate item from " + j 5051 + " due to specific " + specificsPos); 5052 if (ri == null) { 5053 ri = sri; 5054 } 5055 j--; 5056 N--; 5057 } 5058 } 5059 5060 // Add this specific item to its proper place. 5061 if (ri == null) { 5062 ri = new ResolveInfo(); 5063 ri.activityInfo = ai; 5064 } 5065 results.add(specificsPos, ri); 5066 ri.specificIndex = i; 5067 specificsPos++; 5068 } 5069 } 5070 5071 // Now we go through the remaining generic results and remove any 5072 // duplicate actions that are found here. 5073 N = results.size(); 5074 for (int i=specificsPos; i<N-1; i++) { 5075 final ResolveInfo rii = results.get(i); 5076 if (rii.filter == null) { 5077 continue; 5078 } 5079 5080 // Iterate over all of the actions of this result's intent 5081 // filter... typically this should be just one. 5082 final Iterator<String> it = rii.filter.actionsIterator(); 5083 if (it == null) { 5084 continue; 5085 } 5086 while (it.hasNext()) { 5087 final String action = it.next(); 5088 if (resultsAction != null && resultsAction.equals(action)) { 5089 // If this action was explicitly requested, then don't 5090 // remove things that have it. 5091 continue; 5092 } 5093 for (int j=i+1; j<N; j++) { 5094 final ResolveInfo rij = results.get(j); 5095 if (rij.filter != null && rij.filter.hasAction(action)) { 5096 results.remove(j); 5097 if (DEBUG_INTENT_MATCHING) Log.v( 5098 TAG, "Removing duplicate item from " + j 5099 + " due to action " + action + " at " + i); 5100 j--; 5101 N--; 5102 } 5103 } 5104 } 5105 5106 // If the caller didn't request filter information, drop it now 5107 // so we don't have to marshall/unmarshall it. 5108 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5109 rii.filter = null; 5110 } 5111 } 5112 5113 // Filter out the caller activity if so requested. 5114 if (caller != null) { 5115 N = results.size(); 5116 for (int i=0; i<N; i++) { 5117 ActivityInfo ainfo = results.get(i).activityInfo; 5118 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5119 && caller.getClassName().equals(ainfo.name)) { 5120 results.remove(i); 5121 break; 5122 } 5123 } 5124 } 5125 5126 // If the caller didn't request filter information, 5127 // drop them now so we don't have to 5128 // marshall/unmarshall it. 5129 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5130 N = results.size(); 5131 for (int i=0; i<N; i++) { 5132 results.get(i).filter = null; 5133 } 5134 } 5135 5136 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5137 return results; 5138 } 5139 5140 @Override 5141 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5142 int userId) { 5143 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5144 ComponentName comp = intent.getComponent(); 5145 if (comp == null) { 5146 if (intent.getSelector() != null) { 5147 intent = intent.getSelector(); 5148 comp = intent.getComponent(); 5149 } 5150 } 5151 if (comp != null) { 5152 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5153 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5154 if (ai != null) { 5155 ResolveInfo ri = new ResolveInfo(); 5156 ri.activityInfo = ai; 5157 list.add(ri); 5158 } 5159 return list; 5160 } 5161 5162 // reader 5163 synchronized (mPackages) { 5164 String pkgName = intent.getPackage(); 5165 if (pkgName == null) { 5166 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5167 } 5168 final PackageParser.Package pkg = mPackages.get(pkgName); 5169 if (pkg != null) { 5170 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5171 userId); 5172 } 5173 return null; 5174 } 5175 } 5176 5177 @Override 5178 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5179 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5180 if (!sUserManager.exists(userId)) return null; 5181 if (query != null) { 5182 if (query.size() >= 1) { 5183 // If there is more than one service with the same priority, 5184 // just arbitrarily pick the first one. 5185 return query.get(0); 5186 } 5187 } 5188 return null; 5189 } 5190 5191 @Override 5192 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5193 int userId) { 5194 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5195 ComponentName comp = intent.getComponent(); 5196 if (comp == null) { 5197 if (intent.getSelector() != null) { 5198 intent = intent.getSelector(); 5199 comp = intent.getComponent(); 5200 } 5201 } 5202 if (comp != null) { 5203 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5204 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5205 if (si != null) { 5206 final ResolveInfo ri = new ResolveInfo(); 5207 ri.serviceInfo = si; 5208 list.add(ri); 5209 } 5210 return list; 5211 } 5212 5213 // reader 5214 synchronized (mPackages) { 5215 String pkgName = intent.getPackage(); 5216 if (pkgName == null) { 5217 return mServices.queryIntent(intent, resolvedType, flags, userId); 5218 } 5219 final PackageParser.Package pkg = mPackages.get(pkgName); 5220 if (pkg != null) { 5221 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5222 userId); 5223 } 5224 return null; 5225 } 5226 } 5227 5228 @Override 5229 public List<ResolveInfo> queryIntentContentProviders( 5230 Intent intent, String resolvedType, int flags, int userId) { 5231 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5232 ComponentName comp = intent.getComponent(); 5233 if (comp == null) { 5234 if (intent.getSelector() != null) { 5235 intent = intent.getSelector(); 5236 comp = intent.getComponent(); 5237 } 5238 } 5239 if (comp != null) { 5240 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5241 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5242 if (pi != null) { 5243 final ResolveInfo ri = new ResolveInfo(); 5244 ri.providerInfo = pi; 5245 list.add(ri); 5246 } 5247 return list; 5248 } 5249 5250 // reader 5251 synchronized (mPackages) { 5252 String pkgName = intent.getPackage(); 5253 if (pkgName == null) { 5254 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5255 } 5256 final PackageParser.Package pkg = mPackages.get(pkgName); 5257 if (pkg != null) { 5258 return mProviders.queryIntentForPackage( 5259 intent, resolvedType, flags, pkg.providers, userId); 5260 } 5261 return null; 5262 } 5263 } 5264 5265 @Override 5266 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5267 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5268 5269 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5270 5271 // writer 5272 synchronized (mPackages) { 5273 ArrayList<PackageInfo> list; 5274 if (listUninstalled) { 5275 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5276 for (PackageSetting ps : mSettings.mPackages.values()) { 5277 PackageInfo pi; 5278 if (ps.pkg != null) { 5279 pi = generatePackageInfo(ps.pkg, flags, userId); 5280 } else { 5281 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5282 } 5283 if (pi != null) { 5284 list.add(pi); 5285 } 5286 } 5287 } else { 5288 list = new ArrayList<PackageInfo>(mPackages.size()); 5289 for (PackageParser.Package p : mPackages.values()) { 5290 PackageInfo pi = generatePackageInfo(p, flags, userId); 5291 if (pi != null) { 5292 list.add(pi); 5293 } 5294 } 5295 } 5296 5297 return new ParceledListSlice<PackageInfo>(list); 5298 } 5299 } 5300 5301 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5302 String[] permissions, boolean[] tmp, int flags, int userId) { 5303 int numMatch = 0; 5304 final PermissionsState permissionsState = ps.getPermissionsState(); 5305 for (int i=0; i<permissions.length; i++) { 5306 final String permission = permissions[i]; 5307 if (permissionsState.hasPermission(permission, userId)) { 5308 tmp[i] = true; 5309 numMatch++; 5310 } else { 5311 tmp[i] = false; 5312 } 5313 } 5314 if (numMatch == 0) { 5315 return; 5316 } 5317 PackageInfo pi; 5318 if (ps.pkg != null) { 5319 pi = generatePackageInfo(ps.pkg, flags, userId); 5320 } else { 5321 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5322 } 5323 // The above might return null in cases of uninstalled apps or install-state 5324 // skew across users/profiles. 5325 if (pi != null) { 5326 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5327 if (numMatch == permissions.length) { 5328 pi.requestedPermissions = permissions; 5329 } else { 5330 pi.requestedPermissions = new String[numMatch]; 5331 numMatch = 0; 5332 for (int i=0; i<permissions.length; i++) { 5333 if (tmp[i]) { 5334 pi.requestedPermissions[numMatch] = permissions[i]; 5335 numMatch++; 5336 } 5337 } 5338 } 5339 } 5340 list.add(pi); 5341 } 5342 } 5343 5344 @Override 5345 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5346 String[] permissions, int flags, int userId) { 5347 if (!sUserManager.exists(userId)) return null; 5348 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5349 5350 // writer 5351 synchronized (mPackages) { 5352 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5353 boolean[] tmpBools = new boolean[permissions.length]; 5354 if (listUninstalled) { 5355 for (PackageSetting ps : mSettings.mPackages.values()) { 5356 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5357 } 5358 } else { 5359 for (PackageParser.Package pkg : mPackages.values()) { 5360 PackageSetting ps = (PackageSetting)pkg.mExtras; 5361 if (ps != null) { 5362 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5363 userId); 5364 } 5365 } 5366 } 5367 5368 return new ParceledListSlice<PackageInfo>(list); 5369 } 5370 } 5371 5372 @Override 5373 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5374 if (!sUserManager.exists(userId)) return null; 5375 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 5376 5377 // writer 5378 synchronized (mPackages) { 5379 ArrayList<ApplicationInfo> list; 5380 if (listUninstalled) { 5381 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5382 for (PackageSetting ps : mSettings.mPackages.values()) { 5383 ApplicationInfo ai; 5384 if (ps.pkg != null) { 5385 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5386 ps.readUserState(userId), userId); 5387 } else { 5388 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5389 } 5390 if (ai != null) { 5391 list.add(ai); 5392 } 5393 } 5394 } else { 5395 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5396 for (PackageParser.Package p : mPackages.values()) { 5397 if (p.mExtras != null) { 5398 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5399 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5400 if (ai != null) { 5401 list.add(ai); 5402 } 5403 } 5404 } 5405 } 5406 5407 return new ParceledListSlice<ApplicationInfo>(list); 5408 } 5409 } 5410 5411 public List<ApplicationInfo> getPersistentApplications(int flags) { 5412 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5413 5414 // reader 5415 synchronized (mPackages) { 5416 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5417 final int userId = UserHandle.getCallingUserId(); 5418 while (i.hasNext()) { 5419 final PackageParser.Package p = i.next(); 5420 if (p.applicationInfo != null 5421 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5422 && (!mSafeMode || isSystemApp(p))) { 5423 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5424 if (ps != null) { 5425 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5426 ps.readUserState(userId), userId); 5427 if (ai != null) { 5428 finalList.add(ai); 5429 } 5430 } 5431 } 5432 } 5433 } 5434 5435 return finalList; 5436 } 5437 5438 @Override 5439 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5440 if (!sUserManager.exists(userId)) return null; 5441 // reader 5442 synchronized (mPackages) { 5443 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5444 PackageSetting ps = provider != null 5445 ? mSettings.mPackages.get(provider.owner.packageName) 5446 : null; 5447 return ps != null 5448 && mSettings.isEnabledLPr(provider.info, flags, userId) 5449 && (!mSafeMode || (provider.info.applicationInfo.flags 5450 &ApplicationInfo.FLAG_SYSTEM) != 0) 5451 ? PackageParser.generateProviderInfo(provider, flags, 5452 ps.readUserState(userId), userId) 5453 : null; 5454 } 5455 } 5456 5457 /** 5458 * @deprecated 5459 */ 5460 @Deprecated 5461 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5462 // reader 5463 synchronized (mPackages) { 5464 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5465 .entrySet().iterator(); 5466 final int userId = UserHandle.getCallingUserId(); 5467 while (i.hasNext()) { 5468 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5469 PackageParser.Provider p = entry.getValue(); 5470 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5471 5472 if (ps != null && p.syncable 5473 && (!mSafeMode || (p.info.applicationInfo.flags 5474 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5475 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5476 ps.readUserState(userId), userId); 5477 if (info != null) { 5478 outNames.add(entry.getKey()); 5479 outInfo.add(info); 5480 } 5481 } 5482 } 5483 } 5484 } 5485 5486 @Override 5487 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5488 int uid, int flags) { 5489 ArrayList<ProviderInfo> finalList = null; 5490 // reader 5491 synchronized (mPackages) { 5492 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 5493 final int userId = processName != null ? 5494 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 5495 while (i.hasNext()) { 5496 final PackageParser.Provider p = i.next(); 5497 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5498 if (ps != null && p.info.authority != null 5499 && (processName == null 5500 || (p.info.processName.equals(processName) 5501 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 5502 && mSettings.isEnabledLPr(p.info, flags, userId) 5503 && (!mSafeMode 5504 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 5505 if (finalList == null) { 5506 finalList = new ArrayList<ProviderInfo>(3); 5507 } 5508 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 5509 ps.readUserState(userId), userId); 5510 if (info != null) { 5511 finalList.add(info); 5512 } 5513 } 5514 } 5515 } 5516 5517 if (finalList != null) { 5518 Collections.sort(finalList, mProviderInitOrderSorter); 5519 return new ParceledListSlice<ProviderInfo>(finalList); 5520 } 5521 5522 return null; 5523 } 5524 5525 @Override 5526 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 5527 int flags) { 5528 // reader 5529 synchronized (mPackages) { 5530 final PackageParser.Instrumentation i = mInstrumentation.get(name); 5531 return PackageParser.generateInstrumentationInfo(i, flags); 5532 } 5533 } 5534 5535 @Override 5536 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 5537 int flags) { 5538 ArrayList<InstrumentationInfo> finalList = 5539 new ArrayList<InstrumentationInfo>(); 5540 5541 // reader 5542 synchronized (mPackages) { 5543 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 5544 while (i.hasNext()) { 5545 final PackageParser.Instrumentation p = i.next(); 5546 if (targetPackage == null 5547 || targetPackage.equals(p.info.targetPackage)) { 5548 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 5549 flags); 5550 if (ii != null) { 5551 finalList.add(ii); 5552 } 5553 } 5554 } 5555 } 5556 5557 return finalList; 5558 } 5559 5560 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 5561 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 5562 if (overlays == null) { 5563 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 5564 return; 5565 } 5566 for (PackageParser.Package opkg : overlays.values()) { 5567 // Not much to do if idmap fails: we already logged the error 5568 // and we certainly don't want to abort installation of pkg simply 5569 // because an overlay didn't fit properly. For these reasons, 5570 // ignore the return value of createIdmapForPackagePairLI. 5571 createIdmapForPackagePairLI(pkg, opkg); 5572 } 5573 } 5574 5575 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 5576 PackageParser.Package opkg) { 5577 if (!opkg.mTrustedOverlay) { 5578 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 5579 opkg.baseCodePath + ": overlay not trusted"); 5580 return false; 5581 } 5582 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 5583 if (overlaySet == null) { 5584 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 5585 opkg.baseCodePath + " but target package has no known overlays"); 5586 return false; 5587 } 5588 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 5589 // TODO: generate idmap for split APKs 5590 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 5591 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 5592 + opkg.baseCodePath); 5593 return false; 5594 } 5595 PackageParser.Package[] overlayArray = 5596 overlaySet.values().toArray(new PackageParser.Package[0]); 5597 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 5598 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 5599 return p1.mOverlayPriority - p2.mOverlayPriority; 5600 } 5601 }; 5602 Arrays.sort(overlayArray, cmp); 5603 5604 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 5605 int i = 0; 5606 for (PackageParser.Package p : overlayArray) { 5607 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 5608 } 5609 return true; 5610 } 5611 5612 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 5613 final File[] files = dir.listFiles(); 5614 if (ArrayUtils.isEmpty(files)) { 5615 Log.d(TAG, "No files in app dir " + dir); 5616 return; 5617 } 5618 5619 if (DEBUG_PACKAGE_SCANNING) { 5620 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 5621 + " flags=0x" + Integer.toHexString(parseFlags)); 5622 } 5623 5624 for (File file : files) { 5625 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 5626 && !PackageInstallerService.isStageName(file.getName()); 5627 if (!isPackage) { 5628 // Ignore entries which are not packages 5629 continue; 5630 } 5631 try { 5632 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 5633 scanFlags, currentTime, null); 5634 } catch (PackageManagerException e) { 5635 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 5636 5637 // Delete invalid userdata apps 5638 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 5639 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 5640 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 5641 if (file.isDirectory()) { 5642 mInstaller.rmPackageDir(file.getAbsolutePath()); 5643 } else { 5644 file.delete(); 5645 } 5646 } 5647 } 5648 } 5649 } 5650 5651 private static File getSettingsProblemFile() { 5652 File dataDir = Environment.getDataDirectory(); 5653 File systemDir = new File(dataDir, "system"); 5654 File fname = new File(systemDir, "uiderrors.txt"); 5655 return fname; 5656 } 5657 5658 static void reportSettingsProblem(int priority, String msg) { 5659 logCriticalInfo(priority, msg); 5660 } 5661 5662 static void logCriticalInfo(int priority, String msg) { 5663 Slog.println(priority, TAG, msg); 5664 EventLogTags.writePmCriticalInfo(msg); 5665 try { 5666 File fname = getSettingsProblemFile(); 5667 FileOutputStream out = new FileOutputStream(fname, true); 5668 PrintWriter pw = new FastPrintWriter(out); 5669 SimpleDateFormat formatter = new SimpleDateFormat(); 5670 String dateString = formatter.format(new Date(System.currentTimeMillis())); 5671 pw.println(dateString + ": " + msg); 5672 pw.close(); 5673 FileUtils.setPermissions( 5674 fname.toString(), 5675 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 5676 -1, -1); 5677 } catch (java.io.IOException e) { 5678 } 5679 } 5680 5681 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 5682 PackageParser.Package pkg, File srcFile, int parseFlags) 5683 throws PackageManagerException { 5684 if (ps != null 5685 && ps.codePath.equals(srcFile) 5686 && ps.timeStamp == srcFile.lastModified() 5687 && !isCompatSignatureUpdateNeeded(pkg) 5688 && !isRecoverSignatureUpdateNeeded(pkg)) { 5689 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 5690 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5691 ArraySet<PublicKey> signingKs; 5692 synchronized (mPackages) { 5693 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 5694 } 5695 if (ps.signatures.mSignatures != null 5696 && ps.signatures.mSignatures.length != 0 5697 && signingKs != null) { 5698 // Optimization: reuse the existing cached certificates 5699 // if the package appears to be unchanged. 5700 pkg.mSignatures = ps.signatures.mSignatures; 5701 pkg.mSigningKeys = signingKs; 5702 return; 5703 } 5704 5705 Slog.w(TAG, "PackageSetting for " + ps.name 5706 + " is missing signatures. Collecting certs again to recover them."); 5707 } else { 5708 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 5709 } 5710 5711 try { 5712 pp.collectCertificates(pkg, parseFlags); 5713 pp.collectManifestDigest(pkg); 5714 } catch (PackageParserException e) { 5715 throw PackageManagerException.from(e); 5716 } 5717 } 5718 5719 /* 5720 * Scan a package and return the newly parsed package. 5721 * Returns null in case of errors and the error code is stored in mLastScanError 5722 */ 5723 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 5724 long currentTime, UserHandle user) throws PackageManagerException { 5725 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 5726 parseFlags |= mDefParseFlags; 5727 PackageParser pp = new PackageParser(); 5728 pp.setSeparateProcesses(mSeparateProcesses); 5729 pp.setOnlyCoreApps(mOnlyCore); 5730 pp.setDisplayMetrics(mMetrics); 5731 5732 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 5733 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 5734 } 5735 5736 final PackageParser.Package pkg; 5737 try { 5738 pkg = pp.parsePackage(scanFile, parseFlags); 5739 } catch (PackageParserException e) { 5740 throw PackageManagerException.from(e); 5741 } 5742 5743 PackageSetting ps = null; 5744 PackageSetting updatedPkg; 5745 // reader 5746 synchronized (mPackages) { 5747 // Look to see if we already know about this package. 5748 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 5749 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 5750 // This package has been renamed to its original name. Let's 5751 // use that. 5752 ps = mSettings.peekPackageLPr(oldName); 5753 } 5754 // If there was no original package, see one for the real package name. 5755 if (ps == null) { 5756 ps = mSettings.peekPackageLPr(pkg.packageName); 5757 } 5758 // Check to see if this package could be hiding/updating a system 5759 // package. Must look for it either under the original or real 5760 // package name depending on our state. 5761 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 5762 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 5763 } 5764 boolean updatedPkgBetter = false; 5765 // First check if this is a system package that may involve an update 5766 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5767 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 5768 // it needs to drop FLAG_PRIVILEGED. 5769 if (locationIsPrivileged(scanFile)) { 5770 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5771 } else { 5772 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 5773 } 5774 5775 if (ps != null && !ps.codePath.equals(scanFile)) { 5776 // The path has changed from what was last scanned... check the 5777 // version of the new path against what we have stored to determine 5778 // what to do. 5779 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 5780 if (pkg.mVersionCode <= ps.versionCode) { 5781 // The system package has been updated and the code path does not match 5782 // Ignore entry. Skip it. 5783 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 5784 + " ignored: updated version " + ps.versionCode 5785 + " better than this " + pkg.mVersionCode); 5786 if (!updatedPkg.codePath.equals(scanFile)) { 5787 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 5788 + ps.name + " changing from " + updatedPkg.codePathString 5789 + " to " + scanFile); 5790 updatedPkg.codePath = scanFile; 5791 updatedPkg.codePathString = scanFile.toString(); 5792 updatedPkg.resourcePath = scanFile; 5793 updatedPkg.resourcePathString = scanFile.toString(); 5794 } 5795 updatedPkg.pkg = pkg; 5796 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5797 "Package " + ps.name + " at " + scanFile 5798 + " ignored: updated version " + ps.versionCode 5799 + " better than this " + pkg.mVersionCode); 5800 } else { 5801 // The current app on the system partition is better than 5802 // what we have updated to on the data partition; switch 5803 // back to the system partition version. 5804 // At this point, its safely assumed that package installation for 5805 // apps in system partition will go through. If not there won't be a working 5806 // version of the app 5807 // writer 5808 synchronized (mPackages) { 5809 // Just remove the loaded entries from package lists. 5810 mPackages.remove(ps.name); 5811 } 5812 5813 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5814 + " reverting from " + ps.codePathString 5815 + ": new version " + pkg.mVersionCode 5816 + " better than installed " + ps.versionCode); 5817 5818 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5819 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5820 synchronized (mInstallLock) { 5821 args.cleanUpResourcesLI(); 5822 } 5823 synchronized (mPackages) { 5824 mSettings.enableSystemPackageLPw(ps.name); 5825 } 5826 updatedPkgBetter = true; 5827 } 5828 } 5829 } 5830 5831 if (updatedPkg != null) { 5832 // An updated system app will not have the PARSE_IS_SYSTEM flag set 5833 // initially 5834 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 5835 5836 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 5837 // flag set initially 5838 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 5839 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 5840 } 5841 } 5842 5843 // Verify certificates against what was last scanned 5844 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 5845 5846 /* 5847 * A new system app appeared, but we already had a non-system one of the 5848 * same name installed earlier. 5849 */ 5850 boolean shouldHideSystemApp = false; 5851 if (updatedPkg == null && ps != null 5852 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 5853 /* 5854 * Check to make sure the signatures match first. If they don't, 5855 * wipe the installed application and its data. 5856 */ 5857 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 5858 != PackageManager.SIGNATURE_MATCH) { 5859 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 5860 + " signatures don't match existing userdata copy; removing"); 5861 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 5862 ps = null; 5863 } else { 5864 /* 5865 * If the newly-added system app is an older version than the 5866 * already installed version, hide it. It will be scanned later 5867 * and re-added like an update. 5868 */ 5869 if (pkg.mVersionCode <= ps.versionCode) { 5870 shouldHideSystemApp = true; 5871 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 5872 + " but new version " + pkg.mVersionCode + " better than installed " 5873 + ps.versionCode + "; hiding system"); 5874 } else { 5875 /* 5876 * The newly found system app is a newer version that the 5877 * one previously installed. Simply remove the 5878 * already-installed application and replace it with our own 5879 * while keeping the application data. 5880 */ 5881 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 5882 + " reverting from " + ps.codePathString + ": new version " 5883 + pkg.mVersionCode + " better than installed " + ps.versionCode); 5884 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 5885 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 5886 synchronized (mInstallLock) { 5887 args.cleanUpResourcesLI(); 5888 } 5889 } 5890 } 5891 } 5892 5893 // The apk is forward locked (not public) if its code and resources 5894 // are kept in different files. (except for app in either system or 5895 // vendor path). 5896 // TODO grab this value from PackageSettings 5897 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5898 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 5899 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 5900 } 5901 } 5902 5903 // TODO: extend to support forward-locked splits 5904 String resourcePath = null; 5905 String baseResourcePath = null; 5906 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 5907 if (ps != null && ps.resourcePathString != null) { 5908 resourcePath = ps.resourcePathString; 5909 baseResourcePath = ps.resourcePathString; 5910 } else { 5911 // Should not happen at all. Just log an error. 5912 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 5913 } 5914 } else { 5915 resourcePath = pkg.codePath; 5916 baseResourcePath = pkg.baseCodePath; 5917 } 5918 5919 // Set application objects path explicitly. 5920 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 5921 pkg.applicationInfo.setCodePath(pkg.codePath); 5922 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 5923 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 5924 pkg.applicationInfo.setResourcePath(resourcePath); 5925 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 5926 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 5927 5928 // Note that we invoke the following method only if we are about to unpack an application 5929 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 5930 | SCAN_UPDATE_SIGNATURE, currentTime, user); 5931 5932 /* 5933 * If the system app should be overridden by a previously installed 5934 * data, hide the system app now and let the /data/app scan pick it up 5935 * again. 5936 */ 5937 if (shouldHideSystemApp) { 5938 synchronized (mPackages) { 5939 mSettings.disableSystemPackageLPw(pkg.packageName); 5940 } 5941 } 5942 5943 return scannedPkg; 5944 } 5945 5946 private static String fixProcessName(String defProcessName, 5947 String processName, int uid) { 5948 if (processName == null) { 5949 return defProcessName; 5950 } 5951 return processName; 5952 } 5953 5954 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 5955 throws PackageManagerException { 5956 if (pkgSetting.signatures.mSignatures != null) { 5957 // Already existing package. Make sure signatures match 5958 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 5959 == PackageManager.SIGNATURE_MATCH; 5960 if (!match) { 5961 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 5962 == PackageManager.SIGNATURE_MATCH; 5963 } 5964 if (!match) { 5965 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 5966 == PackageManager.SIGNATURE_MATCH; 5967 } 5968 if (!match) { 5969 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5970 + pkg.packageName + " signatures do not match the " 5971 + "previously installed version; ignoring!"); 5972 } 5973 } 5974 5975 // Check for shared user signatures 5976 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 5977 // Already existing package. Make sure signatures match 5978 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5979 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 5980 if (!match) { 5981 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 5982 == PackageManager.SIGNATURE_MATCH; 5983 } 5984 if (!match) { 5985 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 5986 == PackageManager.SIGNATURE_MATCH; 5987 } 5988 if (!match) { 5989 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 5990 "Package " + pkg.packageName 5991 + " has no signatures that match those in shared user " 5992 + pkgSetting.sharedUser.name + "; ignoring!"); 5993 } 5994 } 5995 } 5996 5997 /** 5998 * Enforces that only the system UID or root's UID can call a method exposed 5999 * via Binder. 6000 * 6001 * @param message used as message if SecurityException is thrown 6002 * @throws SecurityException if the caller is not system or root 6003 */ 6004 private static final void enforceSystemOrRoot(String message) { 6005 final int uid = Binder.getCallingUid(); 6006 if (uid != Process.SYSTEM_UID && uid != 0) { 6007 throw new SecurityException(message); 6008 } 6009 } 6010 6011 @Override 6012 public void performBootDexOpt() { 6013 enforceSystemOrRoot("Only the system can request dexopt be performed"); 6014 6015 // Before everything else, see whether we need to fstrim. 6016 try { 6017 IMountService ms = PackageHelper.getMountService(); 6018 if (ms != null) { 6019 final boolean isUpgrade = isUpgrade(); 6020 boolean doTrim = isUpgrade; 6021 if (doTrim) { 6022 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6023 } else { 6024 final long interval = android.provider.Settings.Global.getLong( 6025 mContext.getContentResolver(), 6026 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6027 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6028 if (interval > 0) { 6029 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6030 if (timeSinceLast > interval) { 6031 doTrim = true; 6032 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6033 + "; running immediately"); 6034 } 6035 } 6036 } 6037 if (doTrim) { 6038 if (!isFirstBoot()) { 6039 try { 6040 ActivityManagerNative.getDefault().showBootMessage( 6041 mContext.getResources().getString( 6042 R.string.android_upgrading_fstrim), true); 6043 } catch (RemoteException e) { 6044 } 6045 } 6046 ms.runMaintenance(); 6047 } 6048 } else { 6049 Slog.e(TAG, "Mount service unavailable!"); 6050 } 6051 } catch (RemoteException e) { 6052 // Can't happen; MountService is local 6053 } 6054 6055 final ArraySet<PackageParser.Package> pkgs; 6056 synchronized (mPackages) { 6057 pkgs = mPackageDexOptimizer.clearDeferredDexOptPackages(); 6058 } 6059 6060 if (pkgs != null) { 6061 // Sort apps by importance for dexopt ordering. Important apps are given more priority 6062 // in case the device runs out of space. 6063 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 6064 // Give priority to core apps. 6065 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6066 PackageParser.Package pkg = it.next(); 6067 if (pkg.coreApp) { 6068 if (DEBUG_DEXOPT) { 6069 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 6070 } 6071 sortedPkgs.add(pkg); 6072 it.remove(); 6073 } 6074 } 6075 // Give priority to system apps that listen for pre boot complete. 6076 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 6077 ArraySet<String> pkgNames = getPackageNamesForIntent(intent); 6078 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6079 PackageParser.Package pkg = it.next(); 6080 if (pkgNames.contains(pkg.packageName)) { 6081 if (DEBUG_DEXOPT) { 6082 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 6083 } 6084 sortedPkgs.add(pkg); 6085 it.remove(); 6086 } 6087 } 6088 // Give priority to system apps. 6089 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6090 PackageParser.Package pkg = it.next(); 6091 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) { 6092 if (DEBUG_DEXOPT) { 6093 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 6094 } 6095 sortedPkgs.add(pkg); 6096 it.remove(); 6097 } 6098 } 6099 // Give priority to updated system apps. 6100 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6101 PackageParser.Package pkg = it.next(); 6102 if (pkg.isUpdatedSystemApp()) { 6103 if (DEBUG_DEXOPT) { 6104 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 6105 } 6106 sortedPkgs.add(pkg); 6107 it.remove(); 6108 } 6109 } 6110 // Give priority to apps that listen for boot complete. 6111 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 6112 pkgNames = getPackageNamesForIntent(intent); 6113 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 6114 PackageParser.Package pkg = it.next(); 6115 if (pkgNames.contains(pkg.packageName)) { 6116 if (DEBUG_DEXOPT) { 6117 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 6118 } 6119 sortedPkgs.add(pkg); 6120 it.remove(); 6121 } 6122 } 6123 // Filter out packages that aren't recently used. 6124 filterRecentlyUsedApps(pkgs); 6125 // Add all remaining apps. 6126 for (PackageParser.Package pkg : pkgs) { 6127 if (DEBUG_DEXOPT) { 6128 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 6129 } 6130 sortedPkgs.add(pkg); 6131 } 6132 6133 // If we want to be lazy, filter everything that wasn't recently used. 6134 if (mLazyDexOpt) { 6135 filterRecentlyUsedApps(sortedPkgs); 6136 } 6137 6138 int i = 0; 6139 int total = sortedPkgs.size(); 6140 File dataDir = Environment.getDataDirectory(); 6141 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 6142 if (lowThreshold == 0) { 6143 throw new IllegalStateException("Invalid low memory threshold"); 6144 } 6145 for (PackageParser.Package pkg : sortedPkgs) { 6146 long usableSpace = dataDir.getUsableSpace(); 6147 if (usableSpace < lowThreshold) { 6148 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 6149 break; 6150 } 6151 performBootDexOpt(pkg, ++i, total); 6152 } 6153 } 6154 } 6155 6156 private void filterRecentlyUsedApps(Collection<PackageParser.Package> pkgs) { 6157 // Filter out packages that aren't recently used. 6158 // 6159 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 6160 // should do a full dexopt. 6161 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 6162 int total = pkgs.size(); 6163 int skipped = 0; 6164 long now = System.currentTimeMillis(); 6165 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 6166 PackageParser.Package pkg = i.next(); 6167 long then = pkg.mLastPackageUsageTimeInMills; 6168 if (then + mDexOptLRUThresholdInMills < now) { 6169 if (DEBUG_DEXOPT) { 6170 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 6171 ((then == 0) ? "never" : new Date(then))); 6172 } 6173 i.remove(); 6174 skipped++; 6175 } 6176 } 6177 if (DEBUG_DEXOPT) { 6178 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 6179 } 6180 } 6181 } 6182 6183 private ArraySet<String> getPackageNamesForIntent(Intent intent) { 6184 List<ResolveInfo> ris = null; 6185 try { 6186 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6187 intent, null, 0, UserHandle.USER_OWNER); 6188 } catch (RemoteException e) { 6189 } 6190 ArraySet<String> pkgNames = new ArraySet<String>(); 6191 if (ris != null) { 6192 for (ResolveInfo ri : ris) { 6193 pkgNames.add(ri.activityInfo.packageName); 6194 } 6195 } 6196 return pkgNames; 6197 } 6198 6199 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 6200 if (DEBUG_DEXOPT) { 6201 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 6202 } 6203 if (!isFirstBoot()) { 6204 try { 6205 ActivityManagerNative.getDefault().showBootMessage( 6206 mContext.getResources().getString(R.string.android_upgrading_apk, 6207 curr, total), true); 6208 } catch (RemoteException e) { 6209 } 6210 } 6211 PackageParser.Package p = pkg; 6212 synchronized (mInstallLock) { 6213 mPackageDexOptimizer.performDexOpt(p, null /* instruction sets */, 6214 false /* force dex */, false /* defer */, true /* include dependencies */, 6215 false /* boot complete */); 6216 } 6217 } 6218 6219 @Override 6220 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6221 return performDexOpt(packageName, instructionSet, false); 6222 } 6223 6224 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 6225 boolean dexopt = mLazyDexOpt || backgroundDexopt; 6226 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 6227 if (!dexopt && !updateUsage) { 6228 // We aren't going to dexopt or update usage, so bail early. 6229 return false; 6230 } 6231 PackageParser.Package p; 6232 final String targetInstructionSet; 6233 synchronized (mPackages) { 6234 p = mPackages.get(packageName); 6235 if (p == null) { 6236 return false; 6237 } 6238 if (updateUsage) { 6239 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6240 } 6241 mPackageUsage.write(false); 6242 if (!dexopt) { 6243 // We aren't going to dexopt, so bail early. 6244 return false; 6245 } 6246 6247 targetInstructionSet = instructionSet != null ? instructionSet : 6248 getPrimaryInstructionSet(p.applicationInfo); 6249 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 6250 return false; 6251 } 6252 } 6253 long callingId = Binder.clearCallingIdentity(); 6254 try { 6255 synchronized (mInstallLock) { 6256 final String[] instructionSets = new String[] { targetInstructionSet }; 6257 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6258 false /* forceDex */, false /* defer */, true /* inclDependencies */, 6259 true /* boot complete */); 6260 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6261 } 6262 } finally { 6263 Binder.restoreCallingIdentity(callingId); 6264 } 6265 } 6266 6267 public ArraySet<String> getPackagesThatNeedDexOpt() { 6268 ArraySet<String> pkgs = null; 6269 synchronized (mPackages) { 6270 for (PackageParser.Package p : mPackages.values()) { 6271 if (DEBUG_DEXOPT) { 6272 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6273 } 6274 if (!p.mDexOptPerformed.isEmpty()) { 6275 continue; 6276 } 6277 if (pkgs == null) { 6278 pkgs = new ArraySet<String>(); 6279 } 6280 pkgs.add(p.packageName); 6281 } 6282 } 6283 return pkgs; 6284 } 6285 6286 public void shutdown() { 6287 mPackageUsage.write(true); 6288 } 6289 6290 @Override 6291 public void forceDexOpt(String packageName) { 6292 enforceSystemOrRoot("forceDexOpt"); 6293 6294 PackageParser.Package pkg; 6295 synchronized (mPackages) { 6296 pkg = mPackages.get(packageName); 6297 if (pkg == null) { 6298 throw new IllegalArgumentException("Missing package: " + packageName); 6299 } 6300 } 6301 6302 synchronized (mInstallLock) { 6303 final String[] instructionSets = new String[] { 6304 getPrimaryInstructionSet(pkg.applicationInfo) }; 6305 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6306 true /*forceDex*/, false /* defer */, true /* inclDependencies */, 6307 true /* boot complete */); 6308 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6309 throw new IllegalStateException("Failed to dexopt: " + res); 6310 } 6311 } 6312 } 6313 6314 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6315 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6316 Slog.w(TAG, "Unable to update from " + oldPkg.name 6317 + " to " + newPkg.packageName 6318 + ": old package not in system partition"); 6319 return false; 6320 } else if (mPackages.get(oldPkg.name) != null) { 6321 Slog.w(TAG, "Unable to update from " + oldPkg.name 6322 + " to " + newPkg.packageName 6323 + ": old package still exists"); 6324 return false; 6325 } 6326 return true; 6327 } 6328 6329 private int createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) { 6330 int[] users = sUserManager.getUserIds(); 6331 int res = mInstaller.install(volumeUuid, packageName, uid, uid, seinfo); 6332 if (res < 0) { 6333 return res; 6334 } 6335 for (int user : users) { 6336 if (user != 0) { 6337 res = mInstaller.createUserData(volumeUuid, packageName, 6338 UserHandle.getUid(user, uid), user, seinfo); 6339 if (res < 0) { 6340 return res; 6341 } 6342 } 6343 } 6344 return res; 6345 } 6346 6347 private int removeDataDirsLI(String volumeUuid, String packageName) { 6348 int[] users = sUserManager.getUserIds(); 6349 int res = 0; 6350 for (int user : users) { 6351 int resInner = mInstaller.remove(volumeUuid, packageName, user); 6352 if (resInner < 0) { 6353 res = resInner; 6354 } 6355 } 6356 6357 return res; 6358 } 6359 6360 private int deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6361 int[] users = sUserManager.getUserIds(); 6362 int res = 0; 6363 for (int user : users) { 6364 int resInner = mInstaller.deleteCodeCacheFiles(volumeUuid, packageName, user); 6365 if (resInner < 0) { 6366 res = resInner; 6367 } 6368 } 6369 return res; 6370 } 6371 6372 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6373 PackageParser.Package changingLib) { 6374 if (file.path != null) { 6375 usesLibraryFiles.add(file.path); 6376 return; 6377 } 6378 PackageParser.Package p = mPackages.get(file.apk); 6379 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6380 // If we are doing this while in the middle of updating a library apk, 6381 // then we need to make sure to use that new apk for determining the 6382 // dependencies here. (We haven't yet finished committing the new apk 6383 // to the package manager state.) 6384 if (p == null || p.packageName.equals(changingLib.packageName)) { 6385 p = changingLib; 6386 } 6387 } 6388 if (p != null) { 6389 usesLibraryFiles.addAll(p.getAllCodePaths()); 6390 } 6391 } 6392 6393 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6394 PackageParser.Package changingLib) throws PackageManagerException { 6395 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6396 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6397 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6398 for (int i=0; i<N; i++) { 6399 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6400 if (file == null) { 6401 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6402 "Package " + pkg.packageName + " requires unavailable shared library " 6403 + pkg.usesLibraries.get(i) + "; failing!"); 6404 } 6405 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6406 } 6407 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6408 for (int i=0; i<N; i++) { 6409 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6410 if (file == null) { 6411 Slog.w(TAG, "Package " + pkg.packageName 6412 + " desires unavailable shared library " 6413 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6414 } else { 6415 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6416 } 6417 } 6418 N = usesLibraryFiles.size(); 6419 if (N > 0) { 6420 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6421 } else { 6422 pkg.usesLibraryFiles = null; 6423 } 6424 } 6425 } 6426 6427 private static boolean hasString(List<String> list, List<String> which) { 6428 if (list == null) { 6429 return false; 6430 } 6431 for (int i=list.size()-1; i>=0; i--) { 6432 for (int j=which.size()-1; j>=0; j--) { 6433 if (which.get(j).equals(list.get(i))) { 6434 return true; 6435 } 6436 } 6437 } 6438 return false; 6439 } 6440 6441 private void updateAllSharedLibrariesLPw() { 6442 for (PackageParser.Package pkg : mPackages.values()) { 6443 try { 6444 updateSharedLibrariesLPw(pkg, null); 6445 } catch (PackageManagerException e) { 6446 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6447 } 6448 } 6449 } 6450 6451 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6452 PackageParser.Package changingPkg) { 6453 ArrayList<PackageParser.Package> res = null; 6454 for (PackageParser.Package pkg : mPackages.values()) { 6455 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6456 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6457 if (res == null) { 6458 res = new ArrayList<PackageParser.Package>(); 6459 } 6460 res.add(pkg); 6461 try { 6462 updateSharedLibrariesLPw(pkg, changingPkg); 6463 } catch (PackageManagerException e) { 6464 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6465 } 6466 } 6467 } 6468 return res; 6469 } 6470 6471 /** 6472 * Derive the value of the {@code cpuAbiOverride} based on the provided 6473 * value and an optional stored value from the package settings. 6474 */ 6475 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6476 String cpuAbiOverride = null; 6477 6478 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6479 cpuAbiOverride = null; 6480 } else if (abiOverride != null) { 6481 cpuAbiOverride = abiOverride; 6482 } else if (settings != null) { 6483 cpuAbiOverride = settings.cpuAbiOverrideString; 6484 } 6485 6486 return cpuAbiOverride; 6487 } 6488 6489 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6490 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6491 boolean success = false; 6492 try { 6493 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6494 currentTime, user); 6495 success = true; 6496 return res; 6497 } finally { 6498 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6499 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6500 } 6501 } 6502 } 6503 6504 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6505 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6506 final File scanFile = new File(pkg.codePath); 6507 if (pkg.applicationInfo.getCodePath() == null || 6508 pkg.applicationInfo.getResourcePath() == null) { 6509 // Bail out. The resource and code paths haven't been set. 6510 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6511 "Code and resource paths haven't been set correctly"); 6512 } 6513 6514 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6515 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6516 } else { 6517 // Only allow system apps to be flagged as core apps. 6518 pkg.coreApp = false; 6519 } 6520 6521 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6522 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6523 } 6524 6525 if (mCustomResolverComponentName != null && 6526 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6527 setUpCustomResolverActivity(pkg); 6528 } 6529 6530 if (pkg.packageName.equals("android")) { 6531 synchronized (mPackages) { 6532 if (mAndroidApplication != null) { 6533 Slog.w(TAG, "*************************************************"); 6534 Slog.w(TAG, "Core android package being redefined. Skipping."); 6535 Slog.w(TAG, " file=" + scanFile); 6536 Slog.w(TAG, "*************************************************"); 6537 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6538 "Core android package being redefined. Skipping."); 6539 } 6540 6541 // Set up information for our fall-back user intent resolution activity. 6542 mPlatformPackage = pkg; 6543 pkg.mVersionCode = mSdkVersion; 6544 mAndroidApplication = pkg.applicationInfo; 6545 6546 if (!mResolverReplaced) { 6547 mResolveActivity.applicationInfo = mAndroidApplication; 6548 mResolveActivity.name = ResolverActivity.class.getName(); 6549 mResolveActivity.packageName = mAndroidApplication.packageName; 6550 mResolveActivity.processName = "system:ui"; 6551 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6552 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6553 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6554 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6555 mResolveActivity.exported = true; 6556 mResolveActivity.enabled = true; 6557 mResolveInfo.activityInfo = mResolveActivity; 6558 mResolveInfo.priority = 0; 6559 mResolveInfo.preferredOrder = 0; 6560 mResolveInfo.match = 0; 6561 mResolveComponentName = new ComponentName( 6562 mAndroidApplication.packageName, mResolveActivity.name); 6563 } 6564 } 6565 } 6566 6567 if (DEBUG_PACKAGE_SCANNING) { 6568 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6569 Log.d(TAG, "Scanning package " + pkg.packageName); 6570 } 6571 6572 if (mPackages.containsKey(pkg.packageName) 6573 || mSharedLibraries.containsKey(pkg.packageName)) { 6574 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6575 "Application package " + pkg.packageName 6576 + " already installed. Skipping duplicate."); 6577 } 6578 6579 // If we're only installing presumed-existing packages, require that the 6580 // scanned APK is both already known and at the path previously established 6581 // for it. Previously unknown packages we pick up normally, but if we have an 6582 // a priori expectation about this package's install presence, enforce it. 6583 // With a singular exception for new system packages. When an OTA contains 6584 // a new system package, we allow the codepath to change from a system location 6585 // to the user-installed location. If we don't allow this change, any newer, 6586 // user-installed version of the application will be ignored. 6587 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 6588 if (mExpectingBetter.containsKey(pkg.packageName)) { 6589 logCriticalInfo(Log.WARN, 6590 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 6591 } else { 6592 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 6593 if (known != null) { 6594 if (DEBUG_PACKAGE_SCANNING) { 6595 Log.d(TAG, "Examining " + pkg.codePath 6596 + " and requiring known paths " + known.codePathString 6597 + " & " + known.resourcePathString); 6598 } 6599 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 6600 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 6601 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 6602 "Application package " + pkg.packageName 6603 + " found at " + pkg.applicationInfo.getCodePath() 6604 + " but expected at " + known.codePathString + "; ignoring."); 6605 } 6606 } 6607 } 6608 } 6609 6610 // Initialize package source and resource directories 6611 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 6612 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 6613 6614 SharedUserSetting suid = null; 6615 PackageSetting pkgSetting = null; 6616 6617 if (!isSystemApp(pkg)) { 6618 // Only system apps can use these features. 6619 pkg.mOriginalPackages = null; 6620 pkg.mRealPackage = null; 6621 pkg.mAdoptPermissions = null; 6622 } 6623 6624 // writer 6625 synchronized (mPackages) { 6626 if (pkg.mSharedUserId != null) { 6627 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 6628 if (suid == null) { 6629 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6630 "Creating application package " + pkg.packageName 6631 + " for shared user failed"); 6632 } 6633 if (DEBUG_PACKAGE_SCANNING) { 6634 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6635 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 6636 + "): packages=" + suid.packages); 6637 } 6638 } 6639 6640 // Check if we are renaming from an original package name. 6641 PackageSetting origPackage = null; 6642 String realName = null; 6643 if (pkg.mOriginalPackages != null) { 6644 // This package may need to be renamed to a previously 6645 // installed name. Let's check on that... 6646 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 6647 if (pkg.mOriginalPackages.contains(renamed)) { 6648 // This package had originally been installed as the 6649 // original name, and we have already taken care of 6650 // transitioning to the new one. Just update the new 6651 // one to continue using the old name. 6652 realName = pkg.mRealPackage; 6653 if (!pkg.packageName.equals(renamed)) { 6654 // Callers into this function may have already taken 6655 // care of renaming the package; only do it here if 6656 // it is not already done. 6657 pkg.setPackageName(renamed); 6658 } 6659 6660 } else { 6661 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 6662 if ((origPackage = mSettings.peekPackageLPr( 6663 pkg.mOriginalPackages.get(i))) != null) { 6664 // We do have the package already installed under its 6665 // original name... should we use it? 6666 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 6667 // New package is not compatible with original. 6668 origPackage = null; 6669 continue; 6670 } else if (origPackage.sharedUser != null) { 6671 // Make sure uid is compatible between packages. 6672 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 6673 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 6674 + " to " + pkg.packageName + ": old uid " 6675 + origPackage.sharedUser.name 6676 + " differs from " + pkg.mSharedUserId); 6677 origPackage = null; 6678 continue; 6679 } 6680 } else { 6681 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 6682 + pkg.packageName + " to old name " + origPackage.name); 6683 } 6684 break; 6685 } 6686 } 6687 } 6688 } 6689 6690 if (mTransferedPackages.contains(pkg.packageName)) { 6691 Slog.w(TAG, "Package " + pkg.packageName 6692 + " was transferred to another, but its .apk remains"); 6693 } 6694 6695 // Just create the setting, don't add it yet. For already existing packages 6696 // the PkgSetting exists already and doesn't have to be created. 6697 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 6698 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 6699 pkg.applicationInfo.primaryCpuAbi, 6700 pkg.applicationInfo.secondaryCpuAbi, 6701 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 6702 user, false); 6703 if (pkgSetting == null) { 6704 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6705 "Creating application package " + pkg.packageName + " failed"); 6706 } 6707 6708 if (pkgSetting.origPackage != null) { 6709 // If we are first transitioning from an original package, 6710 // fix up the new package's name now. We need to do this after 6711 // looking up the package under its new name, so getPackageLP 6712 // can take care of fiddling things correctly. 6713 pkg.setPackageName(origPackage.name); 6714 6715 // File a report about this. 6716 String msg = "New package " + pkgSetting.realName 6717 + " renamed to replace old package " + pkgSetting.name; 6718 reportSettingsProblem(Log.WARN, msg); 6719 6720 // Make a note of it. 6721 mTransferedPackages.add(origPackage.name); 6722 6723 // No longer need to retain this. 6724 pkgSetting.origPackage = null; 6725 } 6726 6727 if (realName != null) { 6728 // Make a note of it. 6729 mTransferedPackages.add(pkg.packageName); 6730 } 6731 6732 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 6733 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 6734 } 6735 6736 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6737 // Check all shared libraries and map to their actual file path. 6738 // We only do this here for apps not on a system dir, because those 6739 // are the only ones that can fail an install due to this. We 6740 // will take care of the system apps by updating all of their 6741 // library paths after the scan is done. 6742 updateSharedLibrariesLPw(pkg, null); 6743 } 6744 6745 if (mFoundPolicyFile) { 6746 SELinuxMMAC.assignSeinfoValue(pkg); 6747 } 6748 6749 pkg.applicationInfo.uid = pkgSetting.appId; 6750 pkg.mExtras = pkgSetting; 6751 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 6752 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 6753 // We just determined the app is signed correctly, so bring 6754 // over the latest parsed certs. 6755 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6756 } else { 6757 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6758 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6759 "Package " + pkg.packageName + " upgrade keys do not match the " 6760 + "previously installed version"); 6761 } else { 6762 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6763 String msg = "System package " + pkg.packageName 6764 + " signature changed; retaining data."; 6765 reportSettingsProblem(Log.WARN, msg); 6766 } 6767 } 6768 } else { 6769 try { 6770 verifySignaturesLP(pkgSetting, pkg); 6771 // We just determined the app is signed correctly, so bring 6772 // over the latest parsed certs. 6773 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6774 } catch (PackageManagerException e) { 6775 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6776 throw e; 6777 } 6778 // The signature has changed, but this package is in the system 6779 // image... let's recover! 6780 pkgSetting.signatures.mSignatures = pkg.mSignatures; 6781 // However... if this package is part of a shared user, but it 6782 // doesn't match the signature of the shared user, let's fail. 6783 // What this means is that you can't change the signatures 6784 // associated with an overall shared user, which doesn't seem all 6785 // that unreasonable. 6786 if (pkgSetting.sharedUser != null) { 6787 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6788 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 6789 throw new PackageManagerException( 6790 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 6791 "Signature mismatch for shared user : " 6792 + pkgSetting.sharedUser); 6793 } 6794 } 6795 // File a report about this. 6796 String msg = "System package " + pkg.packageName 6797 + " signature changed; retaining data."; 6798 reportSettingsProblem(Log.WARN, msg); 6799 } 6800 } 6801 // Verify that this new package doesn't have any content providers 6802 // that conflict with existing packages. Only do this if the 6803 // package isn't already installed, since we don't want to break 6804 // things that are installed. 6805 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 6806 final int N = pkg.providers.size(); 6807 int i; 6808 for (i=0; i<N; i++) { 6809 PackageParser.Provider p = pkg.providers.get(i); 6810 if (p.info.authority != null) { 6811 String names[] = p.info.authority.split(";"); 6812 for (int j = 0; j < names.length; j++) { 6813 if (mProvidersByAuthority.containsKey(names[j])) { 6814 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6815 final String otherPackageName = 6816 ((other != null && other.getComponentName() != null) ? 6817 other.getComponentName().getPackageName() : "?"); 6818 throw new PackageManagerException( 6819 INSTALL_FAILED_CONFLICTING_PROVIDER, 6820 "Can't install because provider name " + names[j] 6821 + " (in package " + pkg.applicationInfo.packageName 6822 + ") is already used by " + otherPackageName); 6823 } 6824 } 6825 } 6826 } 6827 } 6828 6829 if (pkg.mAdoptPermissions != null) { 6830 // This package wants to adopt ownership of permissions from 6831 // another package. 6832 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 6833 final String origName = pkg.mAdoptPermissions.get(i); 6834 final PackageSetting orig = mSettings.peekPackageLPr(origName); 6835 if (orig != null) { 6836 if (verifyPackageUpdateLPr(orig, pkg)) { 6837 Slog.i(TAG, "Adopting permissions from " + origName + " to " 6838 + pkg.packageName); 6839 mSettings.transferPermissionsLPw(origName, pkg.packageName); 6840 } 6841 } 6842 } 6843 } 6844 } 6845 6846 final String pkgName = pkg.packageName; 6847 6848 final long scanFileTime = scanFile.lastModified(); 6849 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 6850 pkg.applicationInfo.processName = fixProcessName( 6851 pkg.applicationInfo.packageName, 6852 pkg.applicationInfo.processName, 6853 pkg.applicationInfo.uid); 6854 6855 File dataPath; 6856 if (mPlatformPackage == pkg) { 6857 // The system package is special. 6858 dataPath = new File(Environment.getDataDirectory(), "system"); 6859 6860 pkg.applicationInfo.dataDir = dataPath.getPath(); 6861 6862 } else { 6863 // This is a normal package, need to make its data directory. 6864 dataPath = Environment.getDataUserPackageDirectory(pkg.volumeUuid, 6865 UserHandle.USER_OWNER, pkg.packageName); 6866 6867 boolean uidError = false; 6868 if (dataPath.exists()) { 6869 int currentUid = 0; 6870 try { 6871 StructStat stat = Os.stat(dataPath.getPath()); 6872 currentUid = stat.st_uid; 6873 } catch (ErrnoException e) { 6874 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 6875 } 6876 6877 // If we have mismatched owners for the data path, we have a problem. 6878 if (currentUid != pkg.applicationInfo.uid) { 6879 boolean recovered = false; 6880 if (currentUid == 0) { 6881 // The directory somehow became owned by root. Wow. 6882 // This is probably because the system was stopped while 6883 // installd was in the middle of messing with its libs 6884 // directory. Ask installd to fix that. 6885 int ret = mInstaller.fixUid(pkg.volumeUuid, pkgName, 6886 pkg.applicationInfo.uid, pkg.applicationInfo.uid); 6887 if (ret >= 0) { 6888 recovered = true; 6889 String msg = "Package " + pkg.packageName 6890 + " unexpectedly changed to uid 0; recovered to " + 6891 + pkg.applicationInfo.uid; 6892 reportSettingsProblem(Log.WARN, msg); 6893 } 6894 } 6895 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6896 || (scanFlags&SCAN_BOOTING) != 0)) { 6897 // If this is a system app, we can at least delete its 6898 // current data so the application will still work. 6899 int ret = removeDataDirsLI(pkg.volumeUuid, pkgName); 6900 if (ret >= 0) { 6901 // TODO: Kill the processes first 6902 // Old data gone! 6903 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 6904 ? "System package " : "Third party package "; 6905 String msg = prefix + pkg.packageName 6906 + " has changed from uid: " 6907 + currentUid + " to " 6908 + pkg.applicationInfo.uid + "; old data erased"; 6909 reportSettingsProblem(Log.WARN, msg); 6910 recovered = true; 6911 6912 // And now re-install the app. 6913 ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6914 pkg.applicationInfo.seinfo); 6915 if (ret == -1) { 6916 // Ack should not happen! 6917 msg = prefix + pkg.packageName 6918 + " could not have data directory re-created after delete."; 6919 reportSettingsProblem(Log.WARN, msg); 6920 throw new PackageManagerException( 6921 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 6922 } 6923 } 6924 if (!recovered) { 6925 mHasSystemUidErrors = true; 6926 } 6927 } else if (!recovered) { 6928 // If we allow this install to proceed, we will be broken. 6929 // Abort, abort! 6930 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 6931 "scanPackageLI"); 6932 } 6933 if (!recovered) { 6934 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 6935 + pkg.applicationInfo.uid + "/fs_" 6936 + currentUid; 6937 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 6938 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 6939 String msg = "Package " + pkg.packageName 6940 + " has mismatched uid: " 6941 + currentUid + " on disk, " 6942 + pkg.applicationInfo.uid + " in settings"; 6943 // writer 6944 synchronized (mPackages) { 6945 mSettings.mReadMessages.append(msg); 6946 mSettings.mReadMessages.append('\n'); 6947 uidError = true; 6948 if (!pkgSetting.uidError) { 6949 reportSettingsProblem(Log.ERROR, msg); 6950 } 6951 } 6952 } 6953 } 6954 pkg.applicationInfo.dataDir = dataPath.getPath(); 6955 if (mShouldRestoreconData) { 6956 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 6957 mInstaller.restoreconData(pkg.volumeUuid, pkg.packageName, 6958 pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); 6959 } 6960 } else { 6961 if (DEBUG_PACKAGE_SCANNING) { 6962 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6963 Log.v(TAG, "Want this data dir: " + dataPath); 6964 } 6965 //invoke installer to do the actual installation 6966 int ret = createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 6967 pkg.applicationInfo.seinfo); 6968 if (ret < 0) { 6969 // Error from installer 6970 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6971 "Unable to create data dirs [errorCode=" + ret + "]"); 6972 } 6973 6974 if (dataPath.exists()) { 6975 pkg.applicationInfo.dataDir = dataPath.getPath(); 6976 } else { 6977 Slog.w(TAG, "Unable to create data directory: " + dataPath); 6978 pkg.applicationInfo.dataDir = null; 6979 } 6980 } 6981 6982 pkgSetting.uidError = uidError; 6983 } 6984 6985 final String path = scanFile.getPath(); 6986 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 6987 6988 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 6989 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 6990 6991 // Some system apps still use directory structure for native libraries 6992 // in which case we might end up not detecting abi solely based on apk 6993 // structure. Try to detect abi based on directory structure. 6994 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 6995 pkg.applicationInfo.primaryCpuAbi == null) { 6996 setBundledAppAbisAndRoots(pkg, pkgSetting); 6997 setNativeLibraryPaths(pkg); 6998 } 6999 7000 } else { 7001 if ((scanFlags & SCAN_MOVE) != 0) { 7002 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7003 // but we already have this packages package info in the PackageSetting. We just 7004 // use that and derive the native library path based on the new codepath. 7005 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7006 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7007 } 7008 7009 // Set native library paths again. For moves, the path will be updated based on the 7010 // ABIs we've determined above. For non-moves, the path will be updated based on the 7011 // ABIs we determined during compilation, but the path will depend on the final 7012 // package path (after the rename away from the stage path). 7013 setNativeLibraryPaths(pkg); 7014 } 7015 7016 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7017 final int[] userIds = sUserManager.getUserIds(); 7018 synchronized (mInstallLock) { 7019 // Make sure all user data directories are ready to roll; we're okay 7020 // if they already exist 7021 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7022 for (int userId : userIds) { 7023 if (userId != 0) { 7024 mInstaller.createUserData(pkg.volumeUuid, pkg.packageName, 7025 UserHandle.getUid(userId, pkg.applicationInfo.uid), userId, 7026 pkg.applicationInfo.seinfo); 7027 } 7028 } 7029 } 7030 7031 // Create a native library symlink only if we have native libraries 7032 // and if the native libraries are 32 bit libraries. We do not provide 7033 // this symlink for 64 bit libraries. 7034 if (pkg.applicationInfo.primaryCpuAbi != null && 7035 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7036 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7037 for (int userId : userIds) { 7038 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7039 nativeLibPath, userId) < 0) { 7040 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7041 "Failed linking native library dir (user=" + userId + ")"); 7042 } 7043 } 7044 } 7045 } 7046 7047 // This is a special case for the "system" package, where the ABI is 7048 // dictated by the zygote configuration (and init.rc). We should keep track 7049 // of this ABI so that we can deal with "normal" applications that run under 7050 // the same UID correctly. 7051 if (mPlatformPackage == pkg) { 7052 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7053 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7054 } 7055 7056 // If there's a mismatch between the abi-override in the package setting 7057 // and the abiOverride specified for the install. Warn about this because we 7058 // would've already compiled the app without taking the package setting into 7059 // account. 7060 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7061 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7062 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7063 " for package: " + pkg.packageName); 7064 } 7065 } 7066 7067 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7068 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7069 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7070 7071 // Copy the derived override back to the parsed package, so that we can 7072 // update the package settings accordingly. 7073 pkg.cpuAbiOverride = cpuAbiOverride; 7074 7075 if (DEBUG_ABI_SELECTION) { 7076 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7077 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7078 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7079 } 7080 7081 // Push the derived path down into PackageSettings so we know what to 7082 // clean up at uninstall time. 7083 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7084 7085 if (DEBUG_ABI_SELECTION) { 7086 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7087 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7088 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7089 } 7090 7091 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7092 // We don't do this here during boot because we can do it all 7093 // at once after scanning all existing packages. 7094 // 7095 // We also do this *before* we perform dexopt on this package, so that 7096 // we can avoid redundant dexopts, and also to make sure we've got the 7097 // code and package path correct. 7098 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7099 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, true /* boot complete */); 7100 } 7101 7102 if ((scanFlags & SCAN_NO_DEX) == 0) { 7103 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instruction sets */, 7104 forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false /* inclDependencies */, 7105 (scanFlags & SCAN_BOOTING) == 0); 7106 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7107 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 7108 } 7109 } 7110 if (mFactoryTest && pkg.requestedPermissions.contains( 7111 android.Manifest.permission.FACTORY_TEST)) { 7112 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7113 } 7114 7115 ArrayList<PackageParser.Package> clientLibPkgs = null; 7116 7117 // writer 7118 synchronized (mPackages) { 7119 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7120 // Only system apps can add new shared libraries. 7121 if (pkg.libraryNames != null) { 7122 for (int i=0; i<pkg.libraryNames.size(); i++) { 7123 String name = pkg.libraryNames.get(i); 7124 boolean allowed = false; 7125 if (pkg.isUpdatedSystemApp()) { 7126 // New library entries can only be added through the 7127 // system image. This is important to get rid of a lot 7128 // of nasty edge cases: for example if we allowed a non- 7129 // system update of the app to add a library, then uninstalling 7130 // the update would make the library go away, and assumptions 7131 // we made such as through app install filtering would now 7132 // have allowed apps on the device which aren't compatible 7133 // with it. Better to just have the restriction here, be 7134 // conservative, and create many fewer cases that can negatively 7135 // impact the user experience. 7136 final PackageSetting sysPs = mSettings 7137 .getDisabledSystemPkgLPr(pkg.packageName); 7138 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7139 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7140 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7141 allowed = true; 7142 allowed = true; 7143 break; 7144 } 7145 } 7146 } 7147 } else { 7148 allowed = true; 7149 } 7150 if (allowed) { 7151 if (!mSharedLibraries.containsKey(name)) { 7152 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7153 } else if (!name.equals(pkg.packageName)) { 7154 Slog.w(TAG, "Package " + pkg.packageName + " library " 7155 + name + " already exists; skipping"); 7156 } 7157 } else { 7158 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7159 + name + " that is not declared on system image; skipping"); 7160 } 7161 } 7162 if ((scanFlags&SCAN_BOOTING) == 0) { 7163 // If we are not booting, we need to update any applications 7164 // that are clients of our shared library. If we are booting, 7165 // this will all be done once the scan is complete. 7166 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7167 } 7168 } 7169 } 7170 } 7171 7172 // We also need to dexopt any apps that are dependent on this library. Note that 7173 // if these fail, we should abort the install since installing the library will 7174 // result in some apps being broken. 7175 if (clientLibPkgs != null) { 7176 if ((scanFlags & SCAN_NO_DEX) == 0) { 7177 for (int i = 0; i < clientLibPkgs.size(); i++) { 7178 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7179 int result = mPackageDexOptimizer.performDexOpt(clientPkg, 7180 null /* instruction sets */, forceDex, 7181 (scanFlags & SCAN_DEFER_DEX) != 0, false, 7182 (scanFlags & SCAN_BOOTING) == 0); 7183 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7184 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 7185 "scanPackageLI failed to dexopt clientLibPkgs"); 7186 } 7187 } 7188 } 7189 } 7190 7191 // Request the ActivityManager to kill the process(only for existing packages) 7192 // so that we do not end up in a confused state while the user is still using the older 7193 // version of the application while the new one gets installed. 7194 if ((scanFlags & SCAN_REPLACING) != 0) { 7195 killApplication(pkg.applicationInfo.packageName, 7196 pkg.applicationInfo.uid, "replace pkg"); 7197 } 7198 7199 // Also need to kill any apps that are dependent on the library. 7200 if (clientLibPkgs != null) { 7201 for (int i=0; i<clientLibPkgs.size(); i++) { 7202 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7203 killApplication(clientPkg.applicationInfo.packageName, 7204 clientPkg.applicationInfo.uid, "update lib"); 7205 } 7206 } 7207 7208 // Make sure we're not adding any bogus keyset info 7209 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7210 ksms.assertScannedPackageValid(pkg); 7211 7212 // writer 7213 synchronized (mPackages) { 7214 // We don't expect installation to fail beyond this point 7215 7216 // Add the new setting to mSettings 7217 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7218 // Add the new setting to mPackages 7219 mPackages.put(pkg.applicationInfo.packageName, pkg); 7220 // Make sure we don't accidentally delete its data. 7221 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7222 while (iter.hasNext()) { 7223 PackageCleanItem item = iter.next(); 7224 if (pkgName.equals(item.packageName)) { 7225 iter.remove(); 7226 } 7227 } 7228 7229 // Take care of first install / last update times. 7230 if (currentTime != 0) { 7231 if (pkgSetting.firstInstallTime == 0) { 7232 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7233 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7234 pkgSetting.lastUpdateTime = currentTime; 7235 } 7236 } else if (pkgSetting.firstInstallTime == 0) { 7237 // We need *something*. Take time time stamp of the file. 7238 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7239 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7240 if (scanFileTime != pkgSetting.timeStamp) { 7241 // A package on the system image has changed; consider this 7242 // to be an update. 7243 pkgSetting.lastUpdateTime = scanFileTime; 7244 } 7245 } 7246 7247 // Add the package's KeySets to the global KeySetManagerService 7248 ksms.addScannedPackageLPw(pkg); 7249 7250 int N = pkg.providers.size(); 7251 StringBuilder r = null; 7252 int i; 7253 for (i=0; i<N; i++) { 7254 PackageParser.Provider p = pkg.providers.get(i); 7255 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7256 p.info.processName, pkg.applicationInfo.uid); 7257 mProviders.addProvider(p); 7258 p.syncable = p.info.isSyncable; 7259 if (p.info.authority != null) { 7260 String names[] = p.info.authority.split(";"); 7261 p.info.authority = null; 7262 for (int j = 0; j < names.length; j++) { 7263 if (j == 1 && p.syncable) { 7264 // We only want the first authority for a provider to possibly be 7265 // syncable, so if we already added this provider using a different 7266 // authority clear the syncable flag. We copy the provider before 7267 // changing it because the mProviders object contains a reference 7268 // to a provider that we don't want to change. 7269 // Only do this for the second authority since the resulting provider 7270 // object can be the same for all future authorities for this provider. 7271 p = new PackageParser.Provider(p); 7272 p.syncable = false; 7273 } 7274 if (!mProvidersByAuthority.containsKey(names[j])) { 7275 mProvidersByAuthority.put(names[j], p); 7276 if (p.info.authority == null) { 7277 p.info.authority = names[j]; 7278 } else { 7279 p.info.authority = p.info.authority + ";" + names[j]; 7280 } 7281 if (DEBUG_PACKAGE_SCANNING) { 7282 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7283 Log.d(TAG, "Registered content provider: " + names[j] 7284 + ", className = " + p.info.name + ", isSyncable = " 7285 + p.info.isSyncable); 7286 } 7287 } else { 7288 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7289 Slog.w(TAG, "Skipping provider name " + names[j] + 7290 " (in package " + pkg.applicationInfo.packageName + 7291 "): name already used by " 7292 + ((other != null && other.getComponentName() != null) 7293 ? other.getComponentName().getPackageName() : "?")); 7294 } 7295 } 7296 } 7297 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7298 if (r == null) { 7299 r = new StringBuilder(256); 7300 } else { 7301 r.append(' '); 7302 } 7303 r.append(p.info.name); 7304 } 7305 } 7306 if (r != null) { 7307 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7308 } 7309 7310 N = pkg.services.size(); 7311 r = null; 7312 for (i=0; i<N; i++) { 7313 PackageParser.Service s = pkg.services.get(i); 7314 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7315 s.info.processName, pkg.applicationInfo.uid); 7316 mServices.addService(s); 7317 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7318 if (r == null) { 7319 r = new StringBuilder(256); 7320 } else { 7321 r.append(' '); 7322 } 7323 r.append(s.info.name); 7324 } 7325 } 7326 if (r != null) { 7327 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7328 } 7329 7330 N = pkg.receivers.size(); 7331 r = null; 7332 for (i=0; i<N; i++) { 7333 PackageParser.Activity a = pkg.receivers.get(i); 7334 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7335 a.info.processName, pkg.applicationInfo.uid); 7336 mReceivers.addActivity(a, "receiver"); 7337 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7338 if (r == null) { 7339 r = new StringBuilder(256); 7340 } else { 7341 r.append(' '); 7342 } 7343 r.append(a.info.name); 7344 } 7345 } 7346 if (r != null) { 7347 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7348 } 7349 7350 N = pkg.activities.size(); 7351 r = null; 7352 for (i=0; i<N; i++) { 7353 PackageParser.Activity a = pkg.activities.get(i); 7354 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7355 a.info.processName, pkg.applicationInfo.uid); 7356 mActivities.addActivity(a, "activity"); 7357 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7358 if (r == null) { 7359 r = new StringBuilder(256); 7360 } else { 7361 r.append(' '); 7362 } 7363 r.append(a.info.name); 7364 } 7365 } 7366 if (r != null) { 7367 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7368 } 7369 7370 N = pkg.permissionGroups.size(); 7371 r = null; 7372 for (i=0; i<N; i++) { 7373 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7374 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7375 if (cur == null) { 7376 mPermissionGroups.put(pg.info.name, pg); 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(pg.info.name); 7384 } 7385 } else { 7386 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7387 + pg.info.packageName + " ignored: original from " 7388 + cur.info.packageName); 7389 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7390 if (r == null) { 7391 r = new StringBuilder(256); 7392 } else { 7393 r.append(' '); 7394 } 7395 r.append("DUP:"); 7396 r.append(pg.info.name); 7397 } 7398 } 7399 } 7400 if (r != null) { 7401 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7402 } 7403 7404 N = pkg.permissions.size(); 7405 r = null; 7406 for (i=0; i<N; i++) { 7407 PackageParser.Permission p = pkg.permissions.get(i); 7408 7409 // Assume by default that we did not install this permission into the system. 7410 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7411 7412 // Now that permission groups have a special meaning, we ignore permission 7413 // groups for legacy apps to prevent unexpected behavior. In particular, 7414 // permissions for one app being granted to someone just becuase they happen 7415 // to be in a group defined by another app (before this had no implications). 7416 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7417 p.group = mPermissionGroups.get(p.info.group); 7418 // Warn for a permission in an unknown group. 7419 if (p.info.group != null && p.group == null) { 7420 Slog.w(TAG, "Permission " + p.info.name + " from package " 7421 + p.info.packageName + " in an unknown group " + p.info.group); 7422 } 7423 } 7424 7425 ArrayMap<String, BasePermission> permissionMap = 7426 p.tree ? mSettings.mPermissionTrees 7427 : mSettings.mPermissions; 7428 BasePermission bp = permissionMap.get(p.info.name); 7429 7430 // Allow system apps to redefine non-system permissions 7431 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7432 final boolean currentOwnerIsSystem = (bp.perm != null 7433 && isSystemApp(bp.perm.owner)); 7434 if (isSystemApp(p.owner)) { 7435 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7436 // It's a built-in permission and no owner, take ownership now 7437 bp.packageSetting = pkgSetting; 7438 bp.perm = p; 7439 bp.uid = pkg.applicationInfo.uid; 7440 bp.sourcePackage = p.info.packageName; 7441 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7442 } else if (!currentOwnerIsSystem) { 7443 String msg = "New decl " + p.owner + " of permission " 7444 + p.info.name + " is system; overriding " + bp.sourcePackage; 7445 reportSettingsProblem(Log.WARN, msg); 7446 bp = null; 7447 } 7448 } 7449 } 7450 7451 if (bp == null) { 7452 bp = new BasePermission(p.info.name, p.info.packageName, 7453 BasePermission.TYPE_NORMAL); 7454 permissionMap.put(p.info.name, bp); 7455 } 7456 7457 if (bp.perm == null) { 7458 if (bp.sourcePackage == null 7459 || bp.sourcePackage.equals(p.info.packageName)) { 7460 BasePermission tree = findPermissionTreeLP(p.info.name); 7461 if (tree == null 7462 || tree.sourcePackage.equals(p.info.packageName)) { 7463 bp.packageSetting = pkgSetting; 7464 bp.perm = p; 7465 bp.uid = pkg.applicationInfo.uid; 7466 bp.sourcePackage = p.info.packageName; 7467 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7468 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7469 if (r == null) { 7470 r = new StringBuilder(256); 7471 } else { 7472 r.append(' '); 7473 } 7474 r.append(p.info.name); 7475 } 7476 } else { 7477 Slog.w(TAG, "Permission " + p.info.name + " from package " 7478 + p.info.packageName + " ignored: base tree " 7479 + tree.name + " is from package " 7480 + tree.sourcePackage); 7481 } 7482 } else { 7483 Slog.w(TAG, "Permission " + p.info.name + " from package " 7484 + p.info.packageName + " ignored: original from " 7485 + bp.sourcePackage); 7486 } 7487 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7488 if (r == null) { 7489 r = new StringBuilder(256); 7490 } else { 7491 r.append(' '); 7492 } 7493 r.append("DUP:"); 7494 r.append(p.info.name); 7495 } 7496 if (bp.perm == p) { 7497 bp.protectionLevel = p.info.protectionLevel; 7498 } 7499 } 7500 7501 if (r != null) { 7502 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7503 } 7504 7505 N = pkg.instrumentation.size(); 7506 r = null; 7507 for (i=0; i<N; i++) { 7508 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7509 a.info.packageName = pkg.applicationInfo.packageName; 7510 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7511 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7512 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7513 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7514 a.info.dataDir = pkg.applicationInfo.dataDir; 7515 7516 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7517 // need other information about the application, like the ABI and what not ? 7518 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7519 mInstrumentation.put(a.getComponentName(), a); 7520 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7521 if (r == null) { 7522 r = new StringBuilder(256); 7523 } else { 7524 r.append(' '); 7525 } 7526 r.append(a.info.name); 7527 } 7528 } 7529 if (r != null) { 7530 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7531 } 7532 7533 if (pkg.protectedBroadcasts != null) { 7534 N = pkg.protectedBroadcasts.size(); 7535 for (i=0; i<N; i++) { 7536 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7537 } 7538 } 7539 7540 pkgSetting.setTimeStamp(scanFileTime); 7541 7542 // Create idmap files for pairs of (packages, overlay packages). 7543 // Note: "android", ie framework-res.apk, is handled by native layers. 7544 if (pkg.mOverlayTarget != null) { 7545 // This is an overlay package. 7546 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7547 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7548 mOverlays.put(pkg.mOverlayTarget, 7549 new ArrayMap<String, PackageParser.Package>()); 7550 } 7551 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7552 map.put(pkg.packageName, pkg); 7553 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7554 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7555 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7556 "scanPackageLI failed to createIdmap"); 7557 } 7558 } 7559 } else if (mOverlays.containsKey(pkg.packageName) && 7560 !pkg.packageName.equals("android")) { 7561 // This is a regular package, with one or more known overlay packages. 7562 createIdmapsForPackageLI(pkg); 7563 } 7564 } 7565 7566 return pkg; 7567 } 7568 7569 /** 7570 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7571 * is derived purely on the basis of the contents of {@code scanFile} and 7572 * {@code cpuAbiOverride}. 7573 * 7574 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7575 */ 7576 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7577 String cpuAbiOverride, boolean extractLibs) 7578 throws PackageManagerException { 7579 // TODO: We can probably be smarter about this stuff. For installed apps, 7580 // we can calculate this information at install time once and for all. For 7581 // system apps, we can probably assume that this information doesn't change 7582 // after the first boot scan. As things stand, we do lots of unnecessary work. 7583 7584 // Give ourselves some initial paths; we'll come back for another 7585 // pass once we've determined ABI below. 7586 setNativeLibraryPaths(pkg); 7587 7588 // We would never need to extract libs for forward-locked and external packages, 7589 // since the container service will do it for us. We shouldn't attempt to 7590 // extract libs from system app when it was not updated. 7591 if (pkg.isForwardLocked() || isExternal(pkg) || 7592 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp()) ) { 7593 extractLibs = false; 7594 } 7595 7596 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7597 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7598 7599 NativeLibraryHelper.Handle handle = null; 7600 try { 7601 handle = NativeLibraryHelper.Handle.create(scanFile); 7602 // TODO(multiArch): This can be null for apps that didn't go through the 7603 // usual installation process. We can calculate it again, like we 7604 // do during install time. 7605 // 7606 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7607 // unnecessary. 7608 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7609 7610 // Null out the abis so that they can be recalculated. 7611 pkg.applicationInfo.primaryCpuAbi = null; 7612 pkg.applicationInfo.secondaryCpuAbi = null; 7613 if (isMultiArch(pkg.applicationInfo)) { 7614 // Warn if we've set an abiOverride for multi-lib packages.. 7615 // By definition, we need to copy both 32 and 64 bit libraries for 7616 // such packages. 7617 if (pkg.cpuAbiOverride != null 7618 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7619 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7620 } 7621 7622 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7623 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7624 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7625 if (extractLibs) { 7626 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7627 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7628 useIsaSpecificSubdirs); 7629 } else { 7630 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7631 } 7632 } 7633 7634 maybeThrowExceptionForMultiArchCopy( 7635 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7636 7637 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7638 if (extractLibs) { 7639 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7640 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7641 useIsaSpecificSubdirs); 7642 } else { 7643 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7644 } 7645 } 7646 7647 maybeThrowExceptionForMultiArchCopy( 7648 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7649 7650 if (abi64 >= 0) { 7651 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7652 } 7653 7654 if (abi32 >= 0) { 7655 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7656 if (abi64 >= 0) { 7657 pkg.applicationInfo.secondaryCpuAbi = abi; 7658 } else { 7659 pkg.applicationInfo.primaryCpuAbi = abi; 7660 } 7661 } 7662 } else { 7663 String[] abiList = (cpuAbiOverride != null) ? 7664 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7665 7666 // Enable gross and lame hacks for apps that are built with old 7667 // SDK tools. We must scan their APKs for renderscript bitcode and 7668 // not launch them if it's present. Don't bother checking on devices 7669 // that don't have 64 bit support. 7670 boolean needsRenderScriptOverride = false; 7671 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7672 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7673 abiList = Build.SUPPORTED_32_BIT_ABIS; 7674 needsRenderScriptOverride = true; 7675 } 7676 7677 final int copyRet; 7678 if (extractLibs) { 7679 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7680 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7681 } else { 7682 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7683 } 7684 7685 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7686 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7687 "Error unpackaging native libs for app, errorCode=" + copyRet); 7688 } 7689 7690 if (copyRet >= 0) { 7691 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7692 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7693 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7694 } else if (needsRenderScriptOverride) { 7695 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7696 } 7697 } 7698 } catch (IOException ioe) { 7699 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7700 } finally { 7701 IoUtils.closeQuietly(handle); 7702 } 7703 7704 // Now that we've calculated the ABIs and determined if it's an internal app, 7705 // we will go ahead and populate the nativeLibraryPath. 7706 setNativeLibraryPaths(pkg); 7707 } 7708 7709 /** 7710 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7711 * i.e, so that all packages can be run inside a single process if required. 7712 * 7713 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7714 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7715 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7716 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7717 * updating a package that belongs to a shared user. 7718 * 7719 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7720 * adds unnecessary complexity. 7721 */ 7722 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7723 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt, 7724 boolean bootComplete) { 7725 String requiredInstructionSet = null; 7726 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7727 requiredInstructionSet = VMRuntime.getInstructionSet( 7728 scannedPackage.applicationInfo.primaryCpuAbi); 7729 } 7730 7731 PackageSetting requirer = null; 7732 for (PackageSetting ps : packagesForUser) { 7733 // If packagesForUser contains scannedPackage, we skip it. This will happen 7734 // when scannedPackage is an update of an existing package. Without this check, 7735 // we will never be able to change the ABI of any package belonging to a shared 7736 // user, even if it's compatible with other packages. 7737 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7738 if (ps.primaryCpuAbiString == null) { 7739 continue; 7740 } 7741 7742 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 7743 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 7744 // We have a mismatch between instruction sets (say arm vs arm64) warn about 7745 // this but there's not much we can do. 7746 String errorMessage = "Instruction set mismatch, " 7747 + ((requirer == null) ? "[caller]" : requirer) 7748 + " requires " + requiredInstructionSet + " whereas " + ps 7749 + " requires " + instructionSet; 7750 Slog.w(TAG, errorMessage); 7751 } 7752 7753 if (requiredInstructionSet == null) { 7754 requiredInstructionSet = instructionSet; 7755 requirer = ps; 7756 } 7757 } 7758 } 7759 7760 if (requiredInstructionSet != null) { 7761 String adjustedAbi; 7762 if (requirer != null) { 7763 // requirer != null implies that either scannedPackage was null or that scannedPackage 7764 // did not require an ABI, in which case we have to adjust scannedPackage to match 7765 // the ABI of the set (which is the same as requirer's ABI) 7766 adjustedAbi = requirer.primaryCpuAbiString; 7767 if (scannedPackage != null) { 7768 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 7769 } 7770 } else { 7771 // requirer == null implies that we're updating all ABIs in the set to 7772 // match scannedPackage. 7773 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 7774 } 7775 7776 for (PackageSetting ps : packagesForUser) { 7777 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7778 if (ps.primaryCpuAbiString != null) { 7779 continue; 7780 } 7781 7782 ps.primaryCpuAbiString = adjustedAbi; 7783 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 7784 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 7785 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 7786 7787 int result = mPackageDexOptimizer.performDexOpt(ps.pkg, 7788 null /* instruction sets */, forceDexOpt, deferDexOpt, true, 7789 bootComplete); 7790 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 7791 ps.primaryCpuAbiString = null; 7792 ps.pkg.applicationInfo.primaryCpuAbi = null; 7793 return; 7794 } else { 7795 mInstaller.rmdex(ps.codePathString, 7796 getDexCodeInstructionSet(getPreferredInstructionSet())); 7797 } 7798 } 7799 } 7800 } 7801 } 7802 } 7803 7804 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 7805 synchronized (mPackages) { 7806 mResolverReplaced = true; 7807 // Set up information for custom user intent resolution activity. 7808 mResolveActivity.applicationInfo = pkg.applicationInfo; 7809 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 7810 mResolveActivity.packageName = pkg.applicationInfo.packageName; 7811 mResolveActivity.processName = pkg.applicationInfo.packageName; 7812 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7813 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 7814 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 7815 mResolveActivity.theme = 0; 7816 mResolveActivity.exported = true; 7817 mResolveActivity.enabled = true; 7818 mResolveInfo.activityInfo = mResolveActivity; 7819 mResolveInfo.priority = 0; 7820 mResolveInfo.preferredOrder = 0; 7821 mResolveInfo.match = 0; 7822 mResolveComponentName = mCustomResolverComponentName; 7823 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 7824 mResolveComponentName); 7825 } 7826 } 7827 7828 private static String calculateBundledApkRoot(final String codePathString) { 7829 final File codePath = new File(codePathString); 7830 final File codeRoot; 7831 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 7832 codeRoot = Environment.getRootDirectory(); 7833 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 7834 codeRoot = Environment.getOemDirectory(); 7835 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 7836 codeRoot = Environment.getVendorDirectory(); 7837 } else { 7838 // Unrecognized code path; take its top real segment as the apk root: 7839 // e.g. /something/app/blah.apk => /something 7840 try { 7841 File f = codePath.getCanonicalFile(); 7842 File parent = f.getParentFile(); // non-null because codePath is a file 7843 File tmp; 7844 while ((tmp = parent.getParentFile()) != null) { 7845 f = parent; 7846 parent = tmp; 7847 } 7848 codeRoot = f; 7849 Slog.w(TAG, "Unrecognized code path " 7850 + codePath + " - using " + codeRoot); 7851 } catch (IOException e) { 7852 // Can't canonicalize the code path -- shenanigans? 7853 Slog.w(TAG, "Can't canonicalize code path " + codePath); 7854 return Environment.getRootDirectory().getPath(); 7855 } 7856 } 7857 return codeRoot.getPath(); 7858 } 7859 7860 /** 7861 * Derive and set the location of native libraries for the given package, 7862 * which varies depending on where and how the package was installed. 7863 */ 7864 private void setNativeLibraryPaths(PackageParser.Package pkg) { 7865 final ApplicationInfo info = pkg.applicationInfo; 7866 final String codePath = pkg.codePath; 7867 final File codeFile = new File(codePath); 7868 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 7869 final boolean asecApp = info.isForwardLocked() || isExternal(info); 7870 7871 info.nativeLibraryRootDir = null; 7872 info.nativeLibraryRootRequiresIsa = false; 7873 info.nativeLibraryDir = null; 7874 info.secondaryNativeLibraryDir = null; 7875 7876 if (isApkFile(codeFile)) { 7877 // Monolithic install 7878 if (bundledApp) { 7879 // If "/system/lib64/apkname" exists, assume that is the per-package 7880 // native library directory to use; otherwise use "/system/lib/apkname". 7881 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 7882 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 7883 getPrimaryInstructionSet(info)); 7884 7885 // This is a bundled system app so choose the path based on the ABI. 7886 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 7887 // is just the default path. 7888 final String apkName = deriveCodePathName(codePath); 7889 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 7890 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 7891 apkName).getAbsolutePath(); 7892 7893 if (info.secondaryCpuAbi != null) { 7894 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 7895 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 7896 secondaryLibDir, apkName).getAbsolutePath(); 7897 } 7898 } else if (asecApp) { 7899 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 7900 .getAbsolutePath(); 7901 } else { 7902 final String apkName = deriveCodePathName(codePath); 7903 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 7904 .getAbsolutePath(); 7905 } 7906 7907 info.nativeLibraryRootRequiresIsa = false; 7908 info.nativeLibraryDir = info.nativeLibraryRootDir; 7909 } else { 7910 // Cluster install 7911 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 7912 info.nativeLibraryRootRequiresIsa = true; 7913 7914 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 7915 getPrimaryInstructionSet(info)).getAbsolutePath(); 7916 7917 if (info.secondaryCpuAbi != null) { 7918 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 7919 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 7920 } 7921 } 7922 } 7923 7924 /** 7925 * Calculate the abis and roots for a bundled app. These can uniquely 7926 * be determined from the contents of the system partition, i.e whether 7927 * it contains 64 or 32 bit shared libraries etc. We do not validate any 7928 * of this information, and instead assume that the system was built 7929 * sensibly. 7930 */ 7931 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 7932 PackageSetting pkgSetting) { 7933 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 7934 7935 // If "/system/lib64/apkname" exists, assume that is the per-package 7936 // native library directory to use; otherwise use "/system/lib/apkname". 7937 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 7938 setBundledAppAbi(pkg, apkRoot, apkName); 7939 // pkgSetting might be null during rescan following uninstall of updates 7940 // to a bundled app, so accommodate that possibility. The settings in 7941 // that case will be established later from the parsed package. 7942 // 7943 // If the settings aren't null, sync them up with what we've just derived. 7944 // note that apkRoot isn't stored in the package settings. 7945 if (pkgSetting != null) { 7946 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7947 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7948 } 7949 } 7950 7951 /** 7952 * Deduces the ABI of a bundled app and sets the relevant fields on the 7953 * parsed pkg object. 7954 * 7955 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 7956 * under which system libraries are installed. 7957 * @param apkName the name of the installed package. 7958 */ 7959 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 7960 final File codeFile = new File(pkg.codePath); 7961 7962 final boolean has64BitLibs; 7963 final boolean has32BitLibs; 7964 if (isApkFile(codeFile)) { 7965 // Monolithic install 7966 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 7967 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 7968 } else { 7969 // Cluster install 7970 final File rootDir = new File(codeFile, LIB_DIR_NAME); 7971 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 7972 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 7973 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 7974 has64BitLibs = (new File(rootDir, isa)).exists(); 7975 } else { 7976 has64BitLibs = false; 7977 } 7978 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 7979 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 7980 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 7981 has32BitLibs = (new File(rootDir, isa)).exists(); 7982 } else { 7983 has32BitLibs = false; 7984 } 7985 } 7986 7987 if (has64BitLibs && !has32BitLibs) { 7988 // The package has 64 bit libs, but not 32 bit libs. Its primary 7989 // ABI should be 64 bit. We can safely assume here that the bundled 7990 // native libraries correspond to the most preferred ABI in the list. 7991 7992 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 7993 pkg.applicationInfo.secondaryCpuAbi = null; 7994 } else if (has32BitLibs && !has64BitLibs) { 7995 // The package has 32 bit libs but not 64 bit libs. Its primary 7996 // ABI should be 32 bit. 7997 7998 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 7999 pkg.applicationInfo.secondaryCpuAbi = null; 8000 } else if (has32BitLibs && has64BitLibs) { 8001 // The application has both 64 and 32 bit bundled libraries. We check 8002 // here that the app declares multiArch support, and warn if it doesn't. 8003 // 8004 // We will be lenient here and record both ABIs. The primary will be the 8005 // ABI that's higher on the list, i.e, a device that's configured to prefer 8006 // 64 bit apps will see a 64 bit primary ABI, 8007 8008 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8009 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 8010 } 8011 8012 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8013 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8014 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8015 } else { 8016 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8017 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8018 } 8019 } else { 8020 pkg.applicationInfo.primaryCpuAbi = null; 8021 pkg.applicationInfo.secondaryCpuAbi = null; 8022 } 8023 } 8024 8025 private void killApplication(String pkgName, int appId, String reason) { 8026 // Request the ActivityManager to kill the process(only for existing packages) 8027 // so that we do not end up in a confused state while the user is still using the older 8028 // version of the application while the new one gets installed. 8029 IActivityManager am = ActivityManagerNative.getDefault(); 8030 if (am != null) { 8031 try { 8032 am.killApplicationWithAppId(pkgName, appId, reason); 8033 } catch (RemoteException e) { 8034 } 8035 } 8036 } 8037 8038 void removePackageLI(PackageSetting ps, boolean chatty) { 8039 if (DEBUG_INSTALL) { 8040 if (chatty) 8041 Log.d(TAG, "Removing package " + ps.name); 8042 } 8043 8044 // writer 8045 synchronized (mPackages) { 8046 mPackages.remove(ps.name); 8047 final PackageParser.Package pkg = ps.pkg; 8048 if (pkg != null) { 8049 cleanPackageDataStructuresLILPw(pkg, chatty); 8050 } 8051 } 8052 } 8053 8054 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8055 if (DEBUG_INSTALL) { 8056 if (chatty) 8057 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8058 } 8059 8060 // writer 8061 synchronized (mPackages) { 8062 mPackages.remove(pkg.applicationInfo.packageName); 8063 cleanPackageDataStructuresLILPw(pkg, chatty); 8064 } 8065 } 8066 8067 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8068 int N = pkg.providers.size(); 8069 StringBuilder r = null; 8070 int i; 8071 for (i=0; i<N; i++) { 8072 PackageParser.Provider p = pkg.providers.get(i); 8073 mProviders.removeProvider(p); 8074 if (p.info.authority == null) { 8075 8076 /* There was another ContentProvider with this authority when 8077 * this app was installed so this authority is null, 8078 * Ignore it as we don't have to unregister the provider. 8079 */ 8080 continue; 8081 } 8082 String names[] = p.info.authority.split(";"); 8083 for (int j = 0; j < names.length; j++) { 8084 if (mProvidersByAuthority.get(names[j]) == p) { 8085 mProvidersByAuthority.remove(names[j]); 8086 if (DEBUG_REMOVE) { 8087 if (chatty) 8088 Log.d(TAG, "Unregistered content provider: " + names[j] 8089 + ", className = " + p.info.name + ", isSyncable = " 8090 + p.info.isSyncable); 8091 } 8092 } 8093 } 8094 if (DEBUG_REMOVE && chatty) { 8095 if (r == null) { 8096 r = new StringBuilder(256); 8097 } else { 8098 r.append(' '); 8099 } 8100 r.append(p.info.name); 8101 } 8102 } 8103 if (r != null) { 8104 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8105 } 8106 8107 N = pkg.services.size(); 8108 r = null; 8109 for (i=0; i<N; i++) { 8110 PackageParser.Service s = pkg.services.get(i); 8111 mServices.removeService(s); 8112 if (chatty) { 8113 if (r == null) { 8114 r = new StringBuilder(256); 8115 } else { 8116 r.append(' '); 8117 } 8118 r.append(s.info.name); 8119 } 8120 } 8121 if (r != null) { 8122 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8123 } 8124 8125 N = pkg.receivers.size(); 8126 r = null; 8127 for (i=0; i<N; i++) { 8128 PackageParser.Activity a = pkg.receivers.get(i); 8129 mReceivers.removeActivity(a, "receiver"); 8130 if (DEBUG_REMOVE && chatty) { 8131 if (r == null) { 8132 r = new StringBuilder(256); 8133 } else { 8134 r.append(' '); 8135 } 8136 r.append(a.info.name); 8137 } 8138 } 8139 if (r != null) { 8140 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8141 } 8142 8143 N = pkg.activities.size(); 8144 r = null; 8145 for (i=0; i<N; i++) { 8146 PackageParser.Activity a = pkg.activities.get(i); 8147 mActivities.removeActivity(a, "activity"); 8148 if (DEBUG_REMOVE && chatty) { 8149 if (r == null) { 8150 r = new StringBuilder(256); 8151 } else { 8152 r.append(' '); 8153 } 8154 r.append(a.info.name); 8155 } 8156 } 8157 if (r != null) { 8158 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8159 } 8160 8161 N = pkg.permissions.size(); 8162 r = null; 8163 for (i=0; i<N; i++) { 8164 PackageParser.Permission p = pkg.permissions.get(i); 8165 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8166 if (bp == null) { 8167 bp = mSettings.mPermissionTrees.get(p.info.name); 8168 } 8169 if (bp != null && bp.perm == p) { 8170 bp.perm = null; 8171 if (DEBUG_REMOVE && chatty) { 8172 if (r == null) { 8173 r = new StringBuilder(256); 8174 } else { 8175 r.append(' '); 8176 } 8177 r.append(p.info.name); 8178 } 8179 } 8180 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8181 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 8182 if (appOpPerms != null) { 8183 appOpPerms.remove(pkg.packageName); 8184 } 8185 } 8186 } 8187 if (r != null) { 8188 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8189 } 8190 8191 N = pkg.requestedPermissions.size(); 8192 r = null; 8193 for (i=0; i<N; i++) { 8194 String perm = pkg.requestedPermissions.get(i); 8195 BasePermission bp = mSettings.mPermissions.get(perm); 8196 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8197 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 8198 if (appOpPerms != null) { 8199 appOpPerms.remove(pkg.packageName); 8200 if (appOpPerms.isEmpty()) { 8201 mAppOpPermissionPackages.remove(perm); 8202 } 8203 } 8204 } 8205 } 8206 if (r != null) { 8207 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8208 } 8209 8210 N = pkg.instrumentation.size(); 8211 r = null; 8212 for (i=0; i<N; i++) { 8213 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8214 mInstrumentation.remove(a.getComponentName()); 8215 if (DEBUG_REMOVE && chatty) { 8216 if (r == null) { 8217 r = new StringBuilder(256); 8218 } else { 8219 r.append(' '); 8220 } 8221 r.append(a.info.name); 8222 } 8223 } 8224 if (r != null) { 8225 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8226 } 8227 8228 r = null; 8229 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8230 // Only system apps can hold shared libraries. 8231 if (pkg.libraryNames != null) { 8232 for (i=0; i<pkg.libraryNames.size(); i++) { 8233 String name = pkg.libraryNames.get(i); 8234 SharedLibraryEntry cur = mSharedLibraries.get(name); 8235 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8236 mSharedLibraries.remove(name); 8237 if (DEBUG_REMOVE && chatty) { 8238 if (r == null) { 8239 r = new StringBuilder(256); 8240 } else { 8241 r.append(' '); 8242 } 8243 r.append(name); 8244 } 8245 } 8246 } 8247 } 8248 } 8249 if (r != null) { 8250 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8251 } 8252 } 8253 8254 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8255 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8256 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8257 return true; 8258 } 8259 } 8260 return false; 8261 } 8262 8263 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8264 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8265 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8266 8267 private void updatePermissionsLPw(String changingPkg, 8268 PackageParser.Package pkgInfo, int flags) { 8269 // Make sure there are no dangling permission trees. 8270 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8271 while (it.hasNext()) { 8272 final BasePermission bp = it.next(); 8273 if (bp.packageSetting == null) { 8274 // We may not yet have parsed the package, so just see if 8275 // we still know about its settings. 8276 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8277 } 8278 if (bp.packageSetting == null) { 8279 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8280 + " from package " + bp.sourcePackage); 8281 it.remove(); 8282 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8283 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8284 Slog.i(TAG, "Removing old permission tree: " + bp.name 8285 + " from package " + bp.sourcePackage); 8286 flags |= UPDATE_PERMISSIONS_ALL; 8287 it.remove(); 8288 } 8289 } 8290 } 8291 8292 // Make sure all dynamic permissions have been assigned to a package, 8293 // and make sure there are no dangling permissions. 8294 it = mSettings.mPermissions.values().iterator(); 8295 while (it.hasNext()) { 8296 final BasePermission bp = it.next(); 8297 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8298 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8299 + bp.name + " pkg=" + bp.sourcePackage 8300 + " info=" + bp.pendingInfo); 8301 if (bp.packageSetting == null && bp.pendingInfo != null) { 8302 final BasePermission tree = findPermissionTreeLP(bp.name); 8303 if (tree != null && tree.perm != null) { 8304 bp.packageSetting = tree.packageSetting; 8305 bp.perm = new PackageParser.Permission(tree.perm.owner, 8306 new PermissionInfo(bp.pendingInfo)); 8307 bp.perm.info.packageName = tree.perm.info.packageName; 8308 bp.perm.info.name = bp.name; 8309 bp.uid = tree.uid; 8310 } 8311 } 8312 } 8313 if (bp.packageSetting == null) { 8314 // We may not yet have parsed the package, so just see if 8315 // we still know about its settings. 8316 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8317 } 8318 if (bp.packageSetting == null) { 8319 Slog.w(TAG, "Removing dangling permission: " + bp.name 8320 + " from package " + bp.sourcePackage); 8321 it.remove(); 8322 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8323 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8324 Slog.i(TAG, "Removing old permission: " + bp.name 8325 + " from package " + bp.sourcePackage); 8326 flags |= UPDATE_PERMISSIONS_ALL; 8327 it.remove(); 8328 } 8329 } 8330 } 8331 8332 // Now update the permissions for all packages, in particular 8333 // replace the granted permissions of the system packages. 8334 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8335 for (PackageParser.Package pkg : mPackages.values()) { 8336 if (pkg != pkgInfo) { 8337 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 8338 changingPkg); 8339 } 8340 } 8341 } 8342 8343 if (pkgInfo != null) { 8344 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 8345 } 8346 } 8347 8348 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8349 String packageOfInterest) { 8350 // IMPORTANT: There are two types of permissions: install and runtime. 8351 // Install time permissions are granted when the app is installed to 8352 // all device users and users added in the future. Runtime permissions 8353 // are granted at runtime explicitly to specific users. Normal and signature 8354 // protected permissions are install time permissions. Dangerous permissions 8355 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8356 // otherwise they are runtime permissions. This function does not manage 8357 // runtime permissions except for the case an app targeting Lollipop MR1 8358 // being upgraded to target a newer SDK, in which case dangerous permissions 8359 // are transformed from install time to runtime ones. 8360 8361 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8362 if (ps == null) { 8363 return; 8364 } 8365 8366 PermissionsState permissionsState = ps.getPermissionsState(); 8367 PermissionsState origPermissions = permissionsState; 8368 8369 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8370 8371 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8372 8373 boolean changedInstallPermission = false; 8374 8375 if (replace) { 8376 ps.installPermissionsFixed = false; 8377 if (!ps.isSharedUser()) { 8378 origPermissions = new PermissionsState(permissionsState); 8379 permissionsState.reset(); 8380 } 8381 } 8382 8383 permissionsState.setGlobalGids(mGlobalGids); 8384 8385 final int N = pkg.requestedPermissions.size(); 8386 for (int i=0; i<N; i++) { 8387 final String name = pkg.requestedPermissions.get(i); 8388 final BasePermission bp = mSettings.mPermissions.get(name); 8389 8390 if (DEBUG_INSTALL) { 8391 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8392 } 8393 8394 if (bp == null || bp.packageSetting == null) { 8395 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8396 Slog.w(TAG, "Unknown permission " + name 8397 + " in package " + pkg.packageName); 8398 } 8399 continue; 8400 } 8401 8402 final String perm = bp.name; 8403 boolean allowedSig = false; 8404 int grant = GRANT_DENIED; 8405 8406 // Keep track of app op permissions. 8407 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8408 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8409 if (pkgs == null) { 8410 pkgs = new ArraySet<>(); 8411 mAppOpPermissionPackages.put(bp.name, pkgs); 8412 } 8413 pkgs.add(pkg.packageName); 8414 } 8415 8416 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8417 switch (level) { 8418 case PermissionInfo.PROTECTION_NORMAL: { 8419 // For all apps normal permissions are install time ones. 8420 grant = GRANT_INSTALL; 8421 } break; 8422 8423 case PermissionInfo.PROTECTION_DANGEROUS: { 8424 if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1) { 8425 // For legacy apps dangerous permissions are install time ones. 8426 grant = GRANT_INSTALL_LEGACY; 8427 } else if (origPermissions.hasInstallPermission(bp.name)) { 8428 // For legacy apps that became modern, install becomes runtime. 8429 grant = GRANT_UPGRADE; 8430 } else if (mPromoteSystemApps 8431 && isSystemApp(ps) 8432 && mExistingSystemPackages.contains(ps.name)) { 8433 // For legacy system apps, install becomes runtime. 8434 // We cannot check hasInstallPermission() for system apps since those 8435 // permissions were granted implicitly and not persisted pre-M. 8436 grant = GRANT_UPGRADE; 8437 } else { 8438 // For modern apps keep runtime permissions unchanged. 8439 grant = GRANT_RUNTIME; 8440 } 8441 } break; 8442 8443 case PermissionInfo.PROTECTION_SIGNATURE: { 8444 // For all apps signature permissions are install time ones. 8445 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8446 if (allowedSig) { 8447 grant = GRANT_INSTALL; 8448 } 8449 } break; 8450 } 8451 8452 if (DEBUG_INSTALL) { 8453 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8454 } 8455 8456 if (grant != GRANT_DENIED) { 8457 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8458 // If this is an existing, non-system package, then 8459 // we can't add any new permissions to it. 8460 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8461 // Except... if this is a permission that was added 8462 // to the platform (note: need to only do this when 8463 // updating the platform). 8464 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8465 grant = GRANT_DENIED; 8466 } 8467 } 8468 } 8469 8470 switch (grant) { 8471 case GRANT_INSTALL: { 8472 // Revoke this as runtime permission to handle the case of 8473 // a runtime permission being downgraded to an install one. 8474 for (int userId : UserManagerService.getInstance().getUserIds()) { 8475 if (origPermissions.getRuntimePermissionState( 8476 bp.name, userId) != null) { 8477 // Revoke the runtime permission and clear the flags. 8478 origPermissions.revokeRuntimePermission(bp, userId); 8479 origPermissions.updatePermissionFlags(bp, userId, 8480 PackageManager.MASK_PERMISSION_FLAGS, 0); 8481 // If we revoked a permission permission, we have to write. 8482 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8483 changedRuntimePermissionUserIds, userId); 8484 } 8485 } 8486 // Grant an install permission. 8487 if (permissionsState.grantInstallPermission(bp) != 8488 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8489 changedInstallPermission = true; 8490 } 8491 } break; 8492 8493 case GRANT_INSTALL_LEGACY: { 8494 // Grant an install permission. 8495 if (permissionsState.grantInstallPermission(bp) != 8496 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8497 changedInstallPermission = true; 8498 } 8499 } break; 8500 8501 case GRANT_RUNTIME: { 8502 // Grant previously granted runtime permissions. 8503 for (int userId : UserManagerService.getInstance().getUserIds()) { 8504 PermissionState permissionState = origPermissions 8505 .getRuntimePermissionState(bp.name, userId); 8506 final int flags = permissionState != null 8507 ? permissionState.getFlags() : 0; 8508 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8509 if (permissionsState.grantRuntimePermission(bp, userId) == 8510 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8511 // If we cannot put the permission as it was, we have to write. 8512 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8513 changedRuntimePermissionUserIds, userId); 8514 } 8515 } 8516 // Propagate the permission flags. 8517 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8518 } 8519 } break; 8520 8521 case GRANT_UPGRADE: { 8522 // Grant runtime permissions for a previously held install permission. 8523 PermissionState permissionState = origPermissions 8524 .getInstallPermissionState(bp.name); 8525 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8526 8527 if (origPermissions.revokeInstallPermission(bp) 8528 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8529 // We will be transferring the permission flags, so clear them. 8530 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8531 PackageManager.MASK_PERMISSION_FLAGS, 0); 8532 changedInstallPermission = true; 8533 } 8534 8535 // If the permission is not to be promoted to runtime we ignore it and 8536 // also its other flags as they are not applicable to install permissions. 8537 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8538 for (int userId : currentUserIds) { 8539 if (permissionsState.grantRuntimePermission(bp, userId) != 8540 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8541 // Transfer the permission flags. 8542 permissionsState.updatePermissionFlags(bp, userId, 8543 flags, flags); 8544 // If we granted the permission, we have to write. 8545 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8546 changedRuntimePermissionUserIds, userId); 8547 } 8548 } 8549 } 8550 } break; 8551 8552 default: { 8553 if (packageOfInterest == null 8554 || packageOfInterest.equals(pkg.packageName)) { 8555 Slog.w(TAG, "Not granting permission " + perm 8556 + " to package " + pkg.packageName 8557 + " because it was previously installed without"); 8558 } 8559 } break; 8560 } 8561 } else { 8562 if (permissionsState.revokeInstallPermission(bp) != 8563 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8564 // Also drop the permission flags. 8565 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8566 PackageManager.MASK_PERMISSION_FLAGS, 0); 8567 changedInstallPermission = true; 8568 Slog.i(TAG, "Un-granting permission " + perm 8569 + " from package " + pkg.packageName 8570 + " (protectionLevel=" + bp.protectionLevel 8571 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8572 + ")"); 8573 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8574 // Don't print warning for app op permissions, since it is fine for them 8575 // not to be granted, there is a UI for the user to decide. 8576 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8577 Slog.w(TAG, "Not granting permission " + perm 8578 + " to package " + pkg.packageName 8579 + " (protectionLevel=" + bp.protectionLevel 8580 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8581 + ")"); 8582 } 8583 } 8584 } 8585 } 8586 8587 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8588 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8589 // This is the first that we have heard about this package, so the 8590 // permissions we have now selected are fixed until explicitly 8591 // changed. 8592 ps.installPermissionsFixed = true; 8593 } 8594 8595 // Persist the runtime permissions state for users with changes. 8596 for (int userId : changedRuntimePermissionUserIds) { 8597 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 8598 } 8599 } 8600 8601 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8602 boolean allowed = false; 8603 final int NP = PackageParser.NEW_PERMISSIONS.length; 8604 for (int ip=0; ip<NP; ip++) { 8605 final PackageParser.NewPermissionInfo npi 8606 = PackageParser.NEW_PERMISSIONS[ip]; 8607 if (npi.name.equals(perm) 8608 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8609 allowed = true; 8610 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8611 + pkg.packageName); 8612 break; 8613 } 8614 } 8615 return allowed; 8616 } 8617 8618 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8619 BasePermission bp, PermissionsState origPermissions) { 8620 boolean allowed; 8621 allowed = (compareSignatures( 8622 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8623 == PackageManager.SIGNATURE_MATCH) 8624 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8625 == PackageManager.SIGNATURE_MATCH); 8626 if (!allowed && (bp.protectionLevel 8627 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8628 if (isSystemApp(pkg)) { 8629 // For updated system applications, a system permission 8630 // is granted only if it had been defined by the original application. 8631 if (pkg.isUpdatedSystemApp()) { 8632 final PackageSetting sysPs = mSettings 8633 .getDisabledSystemPkgLPr(pkg.packageName); 8634 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8635 // If the original was granted this permission, we take 8636 // that grant decision as read and propagate it to the 8637 // update. 8638 if (sysPs.isPrivileged()) { 8639 allowed = true; 8640 } 8641 } else { 8642 // The system apk may have been updated with an older 8643 // version of the one on the data partition, but which 8644 // granted a new system permission that it didn't have 8645 // before. In this case we do want to allow the app to 8646 // now get the new permission if the ancestral apk is 8647 // privileged to get it. 8648 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8649 for (int j=0; 8650 j<sysPs.pkg.requestedPermissions.size(); j++) { 8651 if (perm.equals( 8652 sysPs.pkg.requestedPermissions.get(j))) { 8653 allowed = true; 8654 break; 8655 } 8656 } 8657 } 8658 } 8659 } else { 8660 allowed = isPrivilegedApp(pkg); 8661 } 8662 } 8663 } 8664 if (!allowed) { 8665 if (!allowed && (bp.protectionLevel 8666 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8667 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8668 // If this was a previously normal/dangerous permission that got moved 8669 // to a system permission as part of the runtime permission redesign, then 8670 // we still want to blindly grant it to old apps. 8671 allowed = true; 8672 } 8673 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8674 && pkg.packageName.equals(mRequiredInstallerPackage)) { 8675 // If this permission is to be granted to the system installer and 8676 // this app is an installer, then it gets the permission. 8677 allowed = true; 8678 } 8679 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 8680 && pkg.packageName.equals(mRequiredVerifierPackage)) { 8681 // If this permission is to be granted to the system verifier and 8682 // this app is a verifier, then it gets the permission. 8683 allowed = true; 8684 } 8685 if (!allowed && (bp.protectionLevel 8686 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 8687 && isSystemApp(pkg)) { 8688 // Any pre-installed system app is allowed to get this permission. 8689 allowed = true; 8690 } 8691 if (!allowed && (bp.protectionLevel 8692 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 8693 // For development permissions, a development permission 8694 // is granted only if it was already granted. 8695 allowed = origPermissions.hasInstallPermission(perm); 8696 } 8697 } 8698 return allowed; 8699 } 8700 8701 final class ActivityIntentResolver 8702 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 8703 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8704 boolean defaultOnly, int userId) { 8705 if (!sUserManager.exists(userId)) return null; 8706 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8707 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8708 } 8709 8710 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8711 int userId) { 8712 if (!sUserManager.exists(userId)) return null; 8713 mFlags = flags; 8714 return super.queryIntent(intent, resolvedType, 8715 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8716 } 8717 8718 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8719 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 8720 if (!sUserManager.exists(userId)) return null; 8721 if (packageActivities == null) { 8722 return null; 8723 } 8724 mFlags = flags; 8725 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8726 final int N = packageActivities.size(); 8727 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 8728 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 8729 8730 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 8731 for (int i = 0; i < N; ++i) { 8732 intentFilters = packageActivities.get(i).intents; 8733 if (intentFilters != null && intentFilters.size() > 0) { 8734 PackageParser.ActivityIntentInfo[] array = 8735 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 8736 intentFilters.toArray(array); 8737 listCut.add(array); 8738 } 8739 } 8740 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8741 } 8742 8743 public final void addActivity(PackageParser.Activity a, String type) { 8744 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 8745 mActivities.put(a.getComponentName(), a); 8746 if (DEBUG_SHOW_INFO) 8747 Log.v( 8748 TAG, " " + type + " " + 8749 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 8750 if (DEBUG_SHOW_INFO) 8751 Log.v(TAG, " Class=" + a.info.name); 8752 final int NI = a.intents.size(); 8753 for (int j=0; j<NI; j++) { 8754 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8755 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 8756 intent.setPriority(0); 8757 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 8758 + a.className + " with priority > 0, forcing to 0"); 8759 } 8760 if (DEBUG_SHOW_INFO) { 8761 Log.v(TAG, " IntentFilter:"); 8762 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8763 } 8764 if (!intent.debugCheck()) { 8765 Log.w(TAG, "==> For Activity " + a.info.name); 8766 } 8767 addFilter(intent); 8768 } 8769 } 8770 8771 public final void removeActivity(PackageParser.Activity a, String type) { 8772 mActivities.remove(a.getComponentName()); 8773 if (DEBUG_SHOW_INFO) { 8774 Log.v(TAG, " " + type + " " 8775 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 8776 : a.info.name) + ":"); 8777 Log.v(TAG, " Class=" + a.info.name); 8778 } 8779 final int NI = a.intents.size(); 8780 for (int j=0; j<NI; j++) { 8781 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 8782 if (DEBUG_SHOW_INFO) { 8783 Log.v(TAG, " IntentFilter:"); 8784 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8785 } 8786 removeFilter(intent); 8787 } 8788 } 8789 8790 @Override 8791 protected boolean allowFilterResult( 8792 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 8793 ActivityInfo filterAi = filter.activity.info; 8794 for (int i=dest.size()-1; i>=0; i--) { 8795 ActivityInfo destAi = dest.get(i).activityInfo; 8796 if (destAi.name == filterAi.name 8797 && destAi.packageName == filterAi.packageName) { 8798 return false; 8799 } 8800 } 8801 return true; 8802 } 8803 8804 @Override 8805 protected ActivityIntentInfo[] newArray(int size) { 8806 return new ActivityIntentInfo[size]; 8807 } 8808 8809 @Override 8810 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 8811 if (!sUserManager.exists(userId)) return true; 8812 PackageParser.Package p = filter.activity.owner; 8813 if (p != null) { 8814 PackageSetting ps = (PackageSetting)p.mExtras; 8815 if (ps != null) { 8816 // System apps are never considered stopped for purposes of 8817 // filtering, because there may be no way for the user to 8818 // actually re-launch them. 8819 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 8820 && ps.getStopped(userId); 8821 } 8822 } 8823 return false; 8824 } 8825 8826 @Override 8827 protected boolean isPackageForFilter(String packageName, 8828 PackageParser.ActivityIntentInfo info) { 8829 return packageName.equals(info.activity.owner.packageName); 8830 } 8831 8832 @Override 8833 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 8834 int match, int userId) { 8835 if (!sUserManager.exists(userId)) return null; 8836 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 8837 return null; 8838 } 8839 final PackageParser.Activity activity = info.activity; 8840 if (mSafeMode && (activity.info.applicationInfo.flags 8841 &ApplicationInfo.FLAG_SYSTEM) == 0) { 8842 return null; 8843 } 8844 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 8845 if (ps == null) { 8846 return null; 8847 } 8848 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 8849 ps.readUserState(userId), userId); 8850 if (ai == null) { 8851 return null; 8852 } 8853 final ResolveInfo res = new ResolveInfo(); 8854 res.activityInfo = ai; 8855 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 8856 res.filter = info; 8857 } 8858 if (info != null) { 8859 res.handleAllWebDataURI = info.handleAllWebDataURI(); 8860 } 8861 res.priority = info.getPriority(); 8862 res.preferredOrder = activity.owner.mPreferredOrder; 8863 //System.out.println("Result: " + res.activityInfo.className + 8864 // " = " + res.priority); 8865 res.match = match; 8866 res.isDefault = info.hasDefault; 8867 res.labelRes = info.labelRes; 8868 res.nonLocalizedLabel = info.nonLocalizedLabel; 8869 if (userNeedsBadging(userId)) { 8870 res.noResourceId = true; 8871 } else { 8872 res.icon = info.icon; 8873 } 8874 res.iconResourceId = info.icon; 8875 res.system = res.activityInfo.applicationInfo.isSystemApp(); 8876 return res; 8877 } 8878 8879 @Override 8880 protected void sortResults(List<ResolveInfo> results) { 8881 Collections.sort(results, mResolvePrioritySorter); 8882 } 8883 8884 @Override 8885 protected void dumpFilter(PrintWriter out, String prefix, 8886 PackageParser.ActivityIntentInfo filter) { 8887 out.print(prefix); out.print( 8888 Integer.toHexString(System.identityHashCode(filter.activity))); 8889 out.print(' '); 8890 filter.activity.printComponentShortName(out); 8891 out.print(" filter "); 8892 out.println(Integer.toHexString(System.identityHashCode(filter))); 8893 } 8894 8895 @Override 8896 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 8897 return filter.activity; 8898 } 8899 8900 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 8901 PackageParser.Activity activity = (PackageParser.Activity)label; 8902 out.print(prefix); out.print( 8903 Integer.toHexString(System.identityHashCode(activity))); 8904 out.print(' '); 8905 activity.printComponentShortName(out); 8906 if (count > 1) { 8907 out.print(" ("); out.print(count); out.print(" filters)"); 8908 } 8909 out.println(); 8910 } 8911 8912// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 8913// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 8914// final List<ResolveInfo> retList = Lists.newArrayList(); 8915// while (i.hasNext()) { 8916// final ResolveInfo resolveInfo = i.next(); 8917// if (isEnabledLP(resolveInfo.activityInfo)) { 8918// retList.add(resolveInfo); 8919// } 8920// } 8921// return retList; 8922// } 8923 8924 // Keys are String (activity class name), values are Activity. 8925 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 8926 = new ArrayMap<ComponentName, PackageParser.Activity>(); 8927 private int mFlags; 8928 } 8929 8930 private final class ServiceIntentResolver 8931 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 8932 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 8933 boolean defaultOnly, int userId) { 8934 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 8935 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 8936 } 8937 8938 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 8939 int userId) { 8940 if (!sUserManager.exists(userId)) return null; 8941 mFlags = flags; 8942 return super.queryIntent(intent, resolvedType, 8943 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 8944 } 8945 8946 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 8947 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 8948 if (!sUserManager.exists(userId)) return null; 8949 if (packageServices == null) { 8950 return null; 8951 } 8952 mFlags = flags; 8953 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 8954 final int N = packageServices.size(); 8955 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 8956 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 8957 8958 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 8959 for (int i = 0; i < N; ++i) { 8960 intentFilters = packageServices.get(i).intents; 8961 if (intentFilters != null && intentFilters.size() > 0) { 8962 PackageParser.ServiceIntentInfo[] array = 8963 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 8964 intentFilters.toArray(array); 8965 listCut.add(array); 8966 } 8967 } 8968 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 8969 } 8970 8971 public final void addService(PackageParser.Service s) { 8972 mServices.put(s.getComponentName(), s); 8973 if (DEBUG_SHOW_INFO) { 8974 Log.v(TAG, " " 8975 + (s.info.nonLocalizedLabel != null 8976 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8977 Log.v(TAG, " Class=" + s.info.name); 8978 } 8979 final int NI = s.intents.size(); 8980 int j; 8981 for (j=0; j<NI; j++) { 8982 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 8983 if (DEBUG_SHOW_INFO) { 8984 Log.v(TAG, " IntentFilter:"); 8985 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 8986 } 8987 if (!intent.debugCheck()) { 8988 Log.w(TAG, "==> For Service " + s.info.name); 8989 } 8990 addFilter(intent); 8991 } 8992 } 8993 8994 public final void removeService(PackageParser.Service s) { 8995 mServices.remove(s.getComponentName()); 8996 if (DEBUG_SHOW_INFO) { 8997 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 8998 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 8999 Log.v(TAG, " Class=" + s.info.name); 9000 } 9001 final int NI = s.intents.size(); 9002 int j; 9003 for (j=0; j<NI; j++) { 9004 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9005 if (DEBUG_SHOW_INFO) { 9006 Log.v(TAG, " IntentFilter:"); 9007 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9008 } 9009 removeFilter(intent); 9010 } 9011 } 9012 9013 @Override 9014 protected boolean allowFilterResult( 9015 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9016 ServiceInfo filterSi = filter.service.info; 9017 for (int i=dest.size()-1; i>=0; i--) { 9018 ServiceInfo destAi = dest.get(i).serviceInfo; 9019 if (destAi.name == filterSi.name 9020 && destAi.packageName == filterSi.packageName) { 9021 return false; 9022 } 9023 } 9024 return true; 9025 } 9026 9027 @Override 9028 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9029 return new PackageParser.ServiceIntentInfo[size]; 9030 } 9031 9032 @Override 9033 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9034 if (!sUserManager.exists(userId)) return true; 9035 PackageParser.Package p = filter.service.owner; 9036 if (p != null) { 9037 PackageSetting ps = (PackageSetting)p.mExtras; 9038 if (ps != null) { 9039 // System apps are never considered stopped for purposes of 9040 // filtering, because there may be no way for the user to 9041 // actually re-launch them. 9042 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9043 && ps.getStopped(userId); 9044 } 9045 } 9046 return false; 9047 } 9048 9049 @Override 9050 protected boolean isPackageForFilter(String packageName, 9051 PackageParser.ServiceIntentInfo info) { 9052 return packageName.equals(info.service.owner.packageName); 9053 } 9054 9055 @Override 9056 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9057 int match, int userId) { 9058 if (!sUserManager.exists(userId)) return null; 9059 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9060 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 9061 return null; 9062 } 9063 final PackageParser.Service service = info.service; 9064 if (mSafeMode && (service.info.applicationInfo.flags 9065 &ApplicationInfo.FLAG_SYSTEM) == 0) { 9066 return null; 9067 } 9068 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9069 if (ps == null) { 9070 return null; 9071 } 9072 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9073 ps.readUserState(userId), userId); 9074 if (si == null) { 9075 return null; 9076 } 9077 final ResolveInfo res = new ResolveInfo(); 9078 res.serviceInfo = si; 9079 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9080 res.filter = filter; 9081 } 9082 res.priority = info.getPriority(); 9083 res.preferredOrder = service.owner.mPreferredOrder; 9084 res.match = match; 9085 res.isDefault = info.hasDefault; 9086 res.labelRes = info.labelRes; 9087 res.nonLocalizedLabel = info.nonLocalizedLabel; 9088 res.icon = info.icon; 9089 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9090 return res; 9091 } 9092 9093 @Override 9094 protected void sortResults(List<ResolveInfo> results) { 9095 Collections.sort(results, mResolvePrioritySorter); 9096 } 9097 9098 @Override 9099 protected void dumpFilter(PrintWriter out, String prefix, 9100 PackageParser.ServiceIntentInfo filter) { 9101 out.print(prefix); out.print( 9102 Integer.toHexString(System.identityHashCode(filter.service))); 9103 out.print(' '); 9104 filter.service.printComponentShortName(out); 9105 out.print(" filter "); 9106 out.println(Integer.toHexString(System.identityHashCode(filter))); 9107 } 9108 9109 @Override 9110 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9111 return filter.service; 9112 } 9113 9114 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9115 PackageParser.Service service = (PackageParser.Service)label; 9116 out.print(prefix); out.print( 9117 Integer.toHexString(System.identityHashCode(service))); 9118 out.print(' '); 9119 service.printComponentShortName(out); 9120 if (count > 1) { 9121 out.print(" ("); out.print(count); out.print(" filters)"); 9122 } 9123 out.println(); 9124 } 9125 9126// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9127// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9128// final List<ResolveInfo> retList = Lists.newArrayList(); 9129// while (i.hasNext()) { 9130// final ResolveInfo resolveInfo = (ResolveInfo) i; 9131// if (isEnabledLP(resolveInfo.serviceInfo)) { 9132// retList.add(resolveInfo); 9133// } 9134// } 9135// return retList; 9136// } 9137 9138 // Keys are String (activity class name), values are Activity. 9139 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9140 = new ArrayMap<ComponentName, PackageParser.Service>(); 9141 private int mFlags; 9142 }; 9143 9144 private final class ProviderIntentResolver 9145 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9146 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9147 boolean defaultOnly, int userId) { 9148 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9149 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9150 } 9151 9152 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9153 int userId) { 9154 if (!sUserManager.exists(userId)) 9155 return null; 9156 mFlags = flags; 9157 return super.queryIntent(intent, resolvedType, 9158 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9159 } 9160 9161 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9162 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9163 if (!sUserManager.exists(userId)) 9164 return null; 9165 if (packageProviders == null) { 9166 return null; 9167 } 9168 mFlags = flags; 9169 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9170 final int N = packageProviders.size(); 9171 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9172 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9173 9174 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9175 for (int i = 0; i < N; ++i) { 9176 intentFilters = packageProviders.get(i).intents; 9177 if (intentFilters != null && intentFilters.size() > 0) { 9178 PackageParser.ProviderIntentInfo[] array = 9179 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9180 intentFilters.toArray(array); 9181 listCut.add(array); 9182 } 9183 } 9184 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9185 } 9186 9187 public final void addProvider(PackageParser.Provider p) { 9188 if (mProviders.containsKey(p.getComponentName())) { 9189 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9190 return; 9191 } 9192 9193 mProviders.put(p.getComponentName(), p); 9194 if (DEBUG_SHOW_INFO) { 9195 Log.v(TAG, " " 9196 + (p.info.nonLocalizedLabel != null 9197 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9198 Log.v(TAG, " Class=" + p.info.name); 9199 } 9200 final int NI = p.intents.size(); 9201 int j; 9202 for (j = 0; j < NI; j++) { 9203 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9204 if (DEBUG_SHOW_INFO) { 9205 Log.v(TAG, " IntentFilter:"); 9206 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9207 } 9208 if (!intent.debugCheck()) { 9209 Log.w(TAG, "==> For Provider " + p.info.name); 9210 } 9211 addFilter(intent); 9212 } 9213 } 9214 9215 public final void removeProvider(PackageParser.Provider p) { 9216 mProviders.remove(p.getComponentName()); 9217 if (DEBUG_SHOW_INFO) { 9218 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9219 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9220 Log.v(TAG, " Class=" + p.info.name); 9221 } 9222 final int NI = p.intents.size(); 9223 int j; 9224 for (j = 0; j < NI; j++) { 9225 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9226 if (DEBUG_SHOW_INFO) { 9227 Log.v(TAG, " IntentFilter:"); 9228 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9229 } 9230 removeFilter(intent); 9231 } 9232 } 9233 9234 @Override 9235 protected boolean allowFilterResult( 9236 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9237 ProviderInfo filterPi = filter.provider.info; 9238 for (int i = dest.size() - 1; i >= 0; i--) { 9239 ProviderInfo destPi = dest.get(i).providerInfo; 9240 if (destPi.name == filterPi.name 9241 && destPi.packageName == filterPi.packageName) { 9242 return false; 9243 } 9244 } 9245 return true; 9246 } 9247 9248 @Override 9249 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9250 return new PackageParser.ProviderIntentInfo[size]; 9251 } 9252 9253 @Override 9254 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9255 if (!sUserManager.exists(userId)) 9256 return true; 9257 PackageParser.Package p = filter.provider.owner; 9258 if (p != null) { 9259 PackageSetting ps = (PackageSetting) p.mExtras; 9260 if (ps != null) { 9261 // System apps are never considered stopped for purposes of 9262 // filtering, because there may be no way for the user to 9263 // actually re-launch them. 9264 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9265 && ps.getStopped(userId); 9266 } 9267 } 9268 return false; 9269 } 9270 9271 @Override 9272 protected boolean isPackageForFilter(String packageName, 9273 PackageParser.ProviderIntentInfo info) { 9274 return packageName.equals(info.provider.owner.packageName); 9275 } 9276 9277 @Override 9278 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9279 int match, int userId) { 9280 if (!sUserManager.exists(userId)) 9281 return null; 9282 final PackageParser.ProviderIntentInfo info = filter; 9283 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 9284 return null; 9285 } 9286 final PackageParser.Provider provider = info.provider; 9287 if (mSafeMode && (provider.info.applicationInfo.flags 9288 & ApplicationInfo.FLAG_SYSTEM) == 0) { 9289 return null; 9290 } 9291 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9292 if (ps == null) { 9293 return null; 9294 } 9295 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9296 ps.readUserState(userId), userId); 9297 if (pi == null) { 9298 return null; 9299 } 9300 final ResolveInfo res = new ResolveInfo(); 9301 res.providerInfo = pi; 9302 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9303 res.filter = filter; 9304 } 9305 res.priority = info.getPriority(); 9306 res.preferredOrder = provider.owner.mPreferredOrder; 9307 res.match = match; 9308 res.isDefault = info.hasDefault; 9309 res.labelRes = info.labelRes; 9310 res.nonLocalizedLabel = info.nonLocalizedLabel; 9311 res.icon = info.icon; 9312 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9313 return res; 9314 } 9315 9316 @Override 9317 protected void sortResults(List<ResolveInfo> results) { 9318 Collections.sort(results, mResolvePrioritySorter); 9319 } 9320 9321 @Override 9322 protected void dumpFilter(PrintWriter out, String prefix, 9323 PackageParser.ProviderIntentInfo filter) { 9324 out.print(prefix); 9325 out.print( 9326 Integer.toHexString(System.identityHashCode(filter.provider))); 9327 out.print(' '); 9328 filter.provider.printComponentShortName(out); 9329 out.print(" filter "); 9330 out.println(Integer.toHexString(System.identityHashCode(filter))); 9331 } 9332 9333 @Override 9334 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9335 return filter.provider; 9336 } 9337 9338 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9339 PackageParser.Provider provider = (PackageParser.Provider)label; 9340 out.print(prefix); out.print( 9341 Integer.toHexString(System.identityHashCode(provider))); 9342 out.print(' '); 9343 provider.printComponentShortName(out); 9344 if (count > 1) { 9345 out.print(" ("); out.print(count); out.print(" filters)"); 9346 } 9347 out.println(); 9348 } 9349 9350 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9351 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9352 private int mFlags; 9353 }; 9354 9355 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9356 new Comparator<ResolveInfo>() { 9357 public int compare(ResolveInfo r1, ResolveInfo r2) { 9358 int v1 = r1.priority; 9359 int v2 = r2.priority; 9360 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9361 if (v1 != v2) { 9362 return (v1 > v2) ? -1 : 1; 9363 } 9364 v1 = r1.preferredOrder; 9365 v2 = r2.preferredOrder; 9366 if (v1 != v2) { 9367 return (v1 > v2) ? -1 : 1; 9368 } 9369 if (r1.isDefault != r2.isDefault) { 9370 return r1.isDefault ? -1 : 1; 9371 } 9372 v1 = r1.match; 9373 v2 = r2.match; 9374 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9375 if (v1 != v2) { 9376 return (v1 > v2) ? -1 : 1; 9377 } 9378 if (r1.system != r2.system) { 9379 return r1.system ? -1 : 1; 9380 } 9381 return 0; 9382 } 9383 }; 9384 9385 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9386 new Comparator<ProviderInfo>() { 9387 public int compare(ProviderInfo p1, ProviderInfo p2) { 9388 final int v1 = p1.initOrder; 9389 final int v2 = p2.initOrder; 9390 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9391 } 9392 }; 9393 9394 final void sendPackageBroadcast(final String action, final String pkg, 9395 final Bundle extras, final String targetPkg, final IIntentReceiver finishedReceiver, 9396 final int[] userIds) { 9397 mHandler.post(new Runnable() { 9398 @Override 9399 public void run() { 9400 try { 9401 final IActivityManager am = ActivityManagerNative.getDefault(); 9402 if (am == null) return; 9403 final int[] resolvedUserIds; 9404 if (userIds == null) { 9405 resolvedUserIds = am.getRunningUserIds(); 9406 } else { 9407 resolvedUserIds = userIds; 9408 } 9409 for (int id : resolvedUserIds) { 9410 final Intent intent = new Intent(action, 9411 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9412 if (extras != null) { 9413 intent.putExtras(extras); 9414 } 9415 if (targetPkg != null) { 9416 intent.setPackage(targetPkg); 9417 } 9418 // Modify the UID when posting to other users 9419 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9420 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9421 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9422 intent.putExtra(Intent.EXTRA_UID, uid); 9423 } 9424 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9425 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 9426 if (DEBUG_BROADCASTS) { 9427 RuntimeException here = new RuntimeException("here"); 9428 here.fillInStackTrace(); 9429 Slog.d(TAG, "Sending to user " + id + ": " 9430 + intent.toShortString(false, true, false, false) 9431 + " " + intent.getExtras(), here); 9432 } 9433 am.broadcastIntent(null, intent, null, finishedReceiver, 9434 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9435 null, finishedReceiver != null, false, id); 9436 } 9437 } catch (RemoteException ex) { 9438 } 9439 } 9440 }); 9441 } 9442 9443 /** 9444 * Check if the external storage media is available. This is true if there 9445 * is a mounted external storage medium or if the external storage is 9446 * emulated. 9447 */ 9448 private boolean isExternalMediaAvailable() { 9449 return mMediaMounted || Environment.isExternalStorageEmulated(); 9450 } 9451 9452 @Override 9453 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9454 // writer 9455 synchronized (mPackages) { 9456 if (!isExternalMediaAvailable()) { 9457 // If the external storage is no longer mounted at this point, 9458 // the caller may not have been able to delete all of this 9459 // packages files and can not delete any more. Bail. 9460 return null; 9461 } 9462 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9463 if (lastPackage != null) { 9464 pkgs.remove(lastPackage); 9465 } 9466 if (pkgs.size() > 0) { 9467 return pkgs.get(0); 9468 } 9469 } 9470 return null; 9471 } 9472 9473 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9474 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9475 userId, andCode ? 1 : 0, packageName); 9476 if (mSystemReady) { 9477 msg.sendToTarget(); 9478 } else { 9479 if (mPostSystemReadyMessages == null) { 9480 mPostSystemReadyMessages = new ArrayList<>(); 9481 } 9482 mPostSystemReadyMessages.add(msg); 9483 } 9484 } 9485 9486 void startCleaningPackages() { 9487 // reader 9488 synchronized (mPackages) { 9489 if (!isExternalMediaAvailable()) { 9490 return; 9491 } 9492 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9493 return; 9494 } 9495 } 9496 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9497 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9498 IActivityManager am = ActivityManagerNative.getDefault(); 9499 if (am != null) { 9500 try { 9501 am.startService(null, intent, null, mContext.getOpPackageName(), 9502 UserHandle.USER_OWNER); 9503 } catch (RemoteException e) { 9504 } 9505 } 9506 } 9507 9508 @Override 9509 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9510 int installFlags, String installerPackageName, VerificationParams verificationParams, 9511 String packageAbiOverride) { 9512 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9513 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9514 } 9515 9516 @Override 9517 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9518 int installFlags, String installerPackageName, VerificationParams verificationParams, 9519 String packageAbiOverride, int userId) { 9520 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9521 9522 final int callingUid = Binder.getCallingUid(); 9523 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9524 9525 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9526 try { 9527 if (observer != null) { 9528 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9529 } 9530 } catch (RemoteException re) { 9531 } 9532 return; 9533 } 9534 9535 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9536 installFlags |= PackageManager.INSTALL_FROM_ADB; 9537 9538 } else { 9539 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9540 // about installerPackageName. 9541 9542 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9543 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9544 } 9545 9546 UserHandle user; 9547 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9548 user = UserHandle.ALL; 9549 } else { 9550 user = new UserHandle(userId); 9551 } 9552 9553 // Only system components can circumvent runtime permissions when installing. 9554 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9555 && mContext.checkCallingOrSelfPermission(Manifest.permission 9556 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9557 throw new SecurityException("You need the " 9558 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9559 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9560 } 9561 9562 verificationParams.setInstallerUid(callingUid); 9563 9564 final File originFile = new File(originPath); 9565 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9566 9567 final Message msg = mHandler.obtainMessage(INIT_COPY); 9568 msg.obj = new InstallParams(origin, null, observer, installFlags, installerPackageName, 9569 null, verificationParams, user, packageAbiOverride, null); 9570 mHandler.sendMessage(msg); 9571 } 9572 9573 void installStage(String packageName, File stagedDir, String stagedCid, 9574 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 9575 String installerPackageName, int installerUid, UserHandle user) { 9576 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 9577 params.referrerUri, installerUid, null); 9578 verifParams.setInstallerUid(installerUid); 9579 9580 final OriginInfo origin; 9581 if (stagedDir != null) { 9582 origin = OriginInfo.fromStagedFile(stagedDir); 9583 } else { 9584 origin = OriginInfo.fromStagedContainer(stagedCid); 9585 } 9586 9587 final Message msg = mHandler.obtainMessage(INIT_COPY); 9588 msg.obj = new InstallParams(origin, null, observer, params.installFlags, 9589 installerPackageName, params.volumeUuid, verifParams, user, params.abiOverride, 9590 params.grantedRuntimePermissions); 9591 mHandler.sendMessage(msg); 9592 } 9593 9594 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9595 Bundle extras = new Bundle(1); 9596 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9597 9598 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9599 packageName, extras, null, null, new int[] {userId}); 9600 try { 9601 IActivityManager am = ActivityManagerNative.getDefault(); 9602 final boolean isSystem = 9603 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9604 if (isSystem && am.isUserRunning(userId, false)) { 9605 // The just-installed/enabled app is bundled on the system, so presumed 9606 // to be able to run automatically without needing an explicit launch. 9607 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9608 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9609 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9610 .setPackage(packageName); 9611 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9612 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9613 } 9614 } catch (RemoteException e) { 9615 // shouldn't happen 9616 Slog.w(TAG, "Unable to bootstrap installed package", e); 9617 } 9618 } 9619 9620 @Override 9621 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9622 int userId) { 9623 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9624 PackageSetting pkgSetting; 9625 final int uid = Binder.getCallingUid(); 9626 enforceCrossUserPermission(uid, userId, true, true, 9627 "setApplicationHiddenSetting for user " + userId); 9628 9629 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9630 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9631 return false; 9632 } 9633 9634 long callingId = Binder.clearCallingIdentity(); 9635 try { 9636 boolean sendAdded = false; 9637 boolean sendRemoved = false; 9638 // writer 9639 synchronized (mPackages) { 9640 pkgSetting = mSettings.mPackages.get(packageName); 9641 if (pkgSetting == null) { 9642 return false; 9643 } 9644 if (pkgSetting.getHidden(userId) != hidden) { 9645 pkgSetting.setHidden(hidden, userId); 9646 mSettings.writePackageRestrictionsLPr(userId); 9647 if (hidden) { 9648 sendRemoved = true; 9649 } else { 9650 sendAdded = true; 9651 } 9652 } 9653 } 9654 if (sendAdded) { 9655 sendPackageAddedForUser(packageName, pkgSetting, userId); 9656 return true; 9657 } 9658 if (sendRemoved) { 9659 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 9660 "hiding pkg"); 9661 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 9662 return true; 9663 } 9664 } finally { 9665 Binder.restoreCallingIdentity(callingId); 9666 } 9667 return false; 9668 } 9669 9670 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 9671 int userId) { 9672 final PackageRemovedInfo info = new PackageRemovedInfo(); 9673 info.removedPackage = packageName; 9674 info.removedUsers = new int[] {userId}; 9675 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 9676 info.sendBroadcast(false, false, false); 9677 } 9678 9679 /** 9680 * Returns true if application is not found or there was an error. Otherwise it returns 9681 * the hidden state of the package for the given user. 9682 */ 9683 @Override 9684 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 9685 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9686 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 9687 false, "getApplicationHidden for user " + userId); 9688 PackageSetting pkgSetting; 9689 long callingId = Binder.clearCallingIdentity(); 9690 try { 9691 // writer 9692 synchronized (mPackages) { 9693 pkgSetting = mSettings.mPackages.get(packageName); 9694 if (pkgSetting == null) { 9695 return true; 9696 } 9697 return pkgSetting.getHidden(userId); 9698 } 9699 } finally { 9700 Binder.restoreCallingIdentity(callingId); 9701 } 9702 } 9703 9704 /** 9705 * @hide 9706 */ 9707 @Override 9708 public int installExistingPackageAsUser(String packageName, int userId) { 9709 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 9710 null); 9711 PackageSetting pkgSetting; 9712 final int uid = Binder.getCallingUid(); 9713 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 9714 + userId); 9715 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9716 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 9717 } 9718 9719 long callingId = Binder.clearCallingIdentity(); 9720 try { 9721 boolean sendAdded = false; 9722 9723 // writer 9724 synchronized (mPackages) { 9725 pkgSetting = mSettings.mPackages.get(packageName); 9726 if (pkgSetting == null) { 9727 return PackageManager.INSTALL_FAILED_INVALID_URI; 9728 } 9729 if (!pkgSetting.getInstalled(userId)) { 9730 pkgSetting.setInstalled(true, userId); 9731 pkgSetting.setHidden(false, userId); 9732 mSettings.writePackageRestrictionsLPr(userId); 9733 sendAdded = true; 9734 } 9735 } 9736 9737 if (sendAdded) { 9738 sendPackageAddedForUser(packageName, pkgSetting, userId); 9739 } 9740 } finally { 9741 Binder.restoreCallingIdentity(callingId); 9742 } 9743 9744 return PackageManager.INSTALL_SUCCEEDED; 9745 } 9746 9747 boolean isUserRestricted(int userId, String restrictionKey) { 9748 Bundle restrictions = sUserManager.getUserRestrictions(userId); 9749 if (restrictions.getBoolean(restrictionKey, false)) { 9750 Log.w(TAG, "User is restricted: " + restrictionKey); 9751 return true; 9752 } 9753 return false; 9754 } 9755 9756 @Override 9757 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 9758 mContext.enforceCallingOrSelfPermission( 9759 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9760 "Only package verification agents can verify applications"); 9761 9762 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9763 final PackageVerificationResponse response = new PackageVerificationResponse( 9764 verificationCode, Binder.getCallingUid()); 9765 msg.arg1 = id; 9766 msg.obj = response; 9767 mHandler.sendMessage(msg); 9768 } 9769 9770 @Override 9771 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 9772 long millisecondsToDelay) { 9773 mContext.enforceCallingOrSelfPermission( 9774 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9775 "Only package verification agents can extend verification timeouts"); 9776 9777 final PackageVerificationState state = mPendingVerification.get(id); 9778 final PackageVerificationResponse response = new PackageVerificationResponse( 9779 verificationCodeAtTimeout, Binder.getCallingUid()); 9780 9781 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 9782 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 9783 } 9784 if (millisecondsToDelay < 0) { 9785 millisecondsToDelay = 0; 9786 } 9787 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 9788 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 9789 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 9790 } 9791 9792 if ((state != null) && !state.timeoutExtended()) { 9793 state.extendTimeout(); 9794 9795 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 9796 msg.arg1 = id; 9797 msg.obj = response; 9798 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 9799 } 9800 } 9801 9802 private void broadcastPackageVerified(int verificationId, Uri packageUri, 9803 int verificationCode, UserHandle user) { 9804 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 9805 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 9806 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 9807 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 9808 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 9809 9810 mContext.sendBroadcastAsUser(intent, user, 9811 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 9812 } 9813 9814 private ComponentName matchComponentForVerifier(String packageName, 9815 List<ResolveInfo> receivers) { 9816 ActivityInfo targetReceiver = null; 9817 9818 final int NR = receivers.size(); 9819 for (int i = 0; i < NR; i++) { 9820 final ResolveInfo info = receivers.get(i); 9821 if (info.activityInfo == null) { 9822 continue; 9823 } 9824 9825 if (packageName.equals(info.activityInfo.packageName)) { 9826 targetReceiver = info.activityInfo; 9827 break; 9828 } 9829 } 9830 9831 if (targetReceiver == null) { 9832 return null; 9833 } 9834 9835 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 9836 } 9837 9838 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 9839 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 9840 if (pkgInfo.verifiers.length == 0) { 9841 return null; 9842 } 9843 9844 final int N = pkgInfo.verifiers.length; 9845 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 9846 for (int i = 0; i < N; i++) { 9847 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 9848 9849 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 9850 receivers); 9851 if (comp == null) { 9852 continue; 9853 } 9854 9855 final int verifierUid = getUidForVerifier(verifierInfo); 9856 if (verifierUid == -1) { 9857 continue; 9858 } 9859 9860 if (DEBUG_VERIFY) { 9861 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 9862 + " with the correct signature"); 9863 } 9864 sufficientVerifiers.add(comp); 9865 verificationState.addSufficientVerifier(verifierUid); 9866 } 9867 9868 return sufficientVerifiers; 9869 } 9870 9871 private int getUidForVerifier(VerifierInfo verifierInfo) { 9872 synchronized (mPackages) { 9873 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 9874 if (pkg == null) { 9875 return -1; 9876 } else if (pkg.mSignatures.length != 1) { 9877 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9878 + " has more than one signature; ignoring"); 9879 return -1; 9880 } 9881 9882 /* 9883 * If the public key of the package's signature does not match 9884 * our expected public key, then this is a different package and 9885 * we should skip. 9886 */ 9887 9888 final byte[] expectedPublicKey; 9889 try { 9890 final Signature verifierSig = pkg.mSignatures[0]; 9891 final PublicKey publicKey = verifierSig.getPublicKey(); 9892 expectedPublicKey = publicKey.getEncoded(); 9893 } catch (CertificateException e) { 9894 return -1; 9895 } 9896 9897 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 9898 9899 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 9900 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 9901 + " does not have the expected public key; ignoring"); 9902 return -1; 9903 } 9904 9905 return pkg.applicationInfo.uid; 9906 } 9907 } 9908 9909 @Override 9910 public void finishPackageInstall(int token) { 9911 enforceSystemOrRoot("Only the system is allowed to finish installs"); 9912 9913 if (DEBUG_INSTALL) { 9914 Slog.v(TAG, "BM finishing package install for " + token); 9915 } 9916 9917 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 9918 mHandler.sendMessage(msg); 9919 } 9920 9921 /** 9922 * Get the verification agent timeout. 9923 * 9924 * @return verification timeout in milliseconds 9925 */ 9926 private long getVerificationTimeout() { 9927 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 9928 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 9929 DEFAULT_VERIFICATION_TIMEOUT); 9930 } 9931 9932 /** 9933 * Get the default verification agent response code. 9934 * 9935 * @return default verification response code 9936 */ 9937 private int getDefaultVerificationResponse() { 9938 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9939 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 9940 DEFAULT_VERIFICATION_RESPONSE); 9941 } 9942 9943 /** 9944 * Check whether or not package verification has been enabled. 9945 * 9946 * @return true if verification should be performed 9947 */ 9948 private boolean isVerificationEnabled(int userId, int installFlags) { 9949 if (!DEFAULT_VERIFY_ENABLE) { 9950 return false; 9951 } 9952 9953 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 9954 9955 // Check if installing from ADB 9956 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 9957 // Do not run verification in a test harness environment 9958 if (ActivityManager.isRunningInTestHarness()) { 9959 return false; 9960 } 9961 if (ensureVerifyAppsEnabled) { 9962 return true; 9963 } 9964 // Check if the developer does not want package verification for ADB installs 9965 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9966 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 9967 return false; 9968 } 9969 } 9970 9971 if (ensureVerifyAppsEnabled) { 9972 return true; 9973 } 9974 9975 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 9976 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 9977 } 9978 9979 @Override 9980 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 9981 throws RemoteException { 9982 mContext.enforceCallingOrSelfPermission( 9983 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 9984 "Only intentfilter verification agents can verify applications"); 9985 9986 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 9987 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 9988 Binder.getCallingUid(), verificationCode, failedDomains); 9989 msg.arg1 = id; 9990 msg.obj = response; 9991 mHandler.sendMessage(msg); 9992 } 9993 9994 @Override 9995 public int getIntentVerificationStatus(String packageName, int userId) { 9996 synchronized (mPackages) { 9997 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 9998 } 9999 } 10000 10001 @Override 10002 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10003 mContext.enforceCallingOrSelfPermission( 10004 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10005 10006 boolean result = false; 10007 synchronized (mPackages) { 10008 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10009 } 10010 if (result) { 10011 scheduleWritePackageRestrictionsLocked(userId); 10012 } 10013 return result; 10014 } 10015 10016 @Override 10017 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10018 synchronized (mPackages) { 10019 return mSettings.getIntentFilterVerificationsLPr(packageName); 10020 } 10021 } 10022 10023 @Override 10024 public List<IntentFilter> getAllIntentFilters(String packageName) { 10025 if (TextUtils.isEmpty(packageName)) { 10026 return Collections.<IntentFilter>emptyList(); 10027 } 10028 synchronized (mPackages) { 10029 PackageParser.Package pkg = mPackages.get(packageName); 10030 if (pkg == null || pkg.activities == null) { 10031 return Collections.<IntentFilter>emptyList(); 10032 } 10033 final int count = pkg.activities.size(); 10034 ArrayList<IntentFilter> result = new ArrayList<>(); 10035 for (int n=0; n<count; n++) { 10036 PackageParser.Activity activity = pkg.activities.get(n); 10037 if (activity.intents != null || activity.intents.size() > 0) { 10038 result.addAll(activity.intents); 10039 } 10040 } 10041 return result; 10042 } 10043 } 10044 10045 @Override 10046 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10047 mContext.enforceCallingOrSelfPermission( 10048 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10049 10050 synchronized (mPackages) { 10051 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10052 if (packageName != null) { 10053 result |= updateIntentVerificationStatus(packageName, 10054 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10055 userId); 10056 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10057 packageName, userId); 10058 } 10059 return result; 10060 } 10061 } 10062 10063 @Override 10064 public String getDefaultBrowserPackageName(int userId) { 10065 synchronized (mPackages) { 10066 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10067 } 10068 } 10069 10070 /** 10071 * Get the "allow unknown sources" setting. 10072 * 10073 * @return the current "allow unknown sources" setting 10074 */ 10075 private int getUnknownSourcesSettings() { 10076 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10077 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10078 -1); 10079 } 10080 10081 @Override 10082 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10083 final int uid = Binder.getCallingUid(); 10084 // writer 10085 synchronized (mPackages) { 10086 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10087 if (targetPackageSetting == null) { 10088 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10089 } 10090 10091 PackageSetting installerPackageSetting; 10092 if (installerPackageName != null) { 10093 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10094 if (installerPackageSetting == null) { 10095 throw new IllegalArgumentException("Unknown installer package: " 10096 + installerPackageName); 10097 } 10098 } else { 10099 installerPackageSetting = null; 10100 } 10101 10102 Signature[] callerSignature; 10103 Object obj = mSettings.getUserIdLPr(uid); 10104 if (obj != null) { 10105 if (obj instanceof SharedUserSetting) { 10106 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10107 } else if (obj instanceof PackageSetting) { 10108 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10109 } else { 10110 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10111 } 10112 } else { 10113 throw new SecurityException("Unknown calling uid " + uid); 10114 } 10115 10116 // Verify: can't set installerPackageName to a package that is 10117 // not signed with the same cert as the caller. 10118 if (installerPackageSetting != null) { 10119 if (compareSignatures(callerSignature, 10120 installerPackageSetting.signatures.mSignatures) 10121 != PackageManager.SIGNATURE_MATCH) { 10122 throw new SecurityException( 10123 "Caller does not have same cert as new installer package " 10124 + installerPackageName); 10125 } 10126 } 10127 10128 // Verify: if target already has an installer package, it must 10129 // be signed with the same cert as the caller. 10130 if (targetPackageSetting.installerPackageName != null) { 10131 PackageSetting setting = mSettings.mPackages.get( 10132 targetPackageSetting.installerPackageName); 10133 // If the currently set package isn't valid, then it's always 10134 // okay to change it. 10135 if (setting != null) { 10136 if (compareSignatures(callerSignature, 10137 setting.signatures.mSignatures) 10138 != PackageManager.SIGNATURE_MATCH) { 10139 throw new SecurityException( 10140 "Caller does not have same cert as old installer package " 10141 + targetPackageSetting.installerPackageName); 10142 } 10143 } 10144 } 10145 10146 // Okay! 10147 targetPackageSetting.installerPackageName = installerPackageName; 10148 scheduleWriteSettingsLocked(); 10149 } 10150 } 10151 10152 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10153 // Queue up an async operation since the package installation may take a little while. 10154 mHandler.post(new Runnable() { 10155 public void run() { 10156 mHandler.removeCallbacks(this); 10157 // Result object to be returned 10158 PackageInstalledInfo res = new PackageInstalledInfo(); 10159 res.returnCode = currentStatus; 10160 res.uid = -1; 10161 res.pkg = null; 10162 res.removedInfo = new PackageRemovedInfo(); 10163 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10164 args.doPreInstall(res.returnCode); 10165 synchronized (mInstallLock) { 10166 installPackageLI(args, res); 10167 } 10168 args.doPostInstall(res.returnCode, res.uid); 10169 } 10170 10171 // A restore should be performed at this point if (a) the install 10172 // succeeded, (b) the operation is not an update, and (c) the new 10173 // package has not opted out of backup participation. 10174 final boolean update = res.removedInfo.removedPackage != null; 10175 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10176 boolean doRestore = !update 10177 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10178 10179 // Set up the post-install work request bookkeeping. This will be used 10180 // and cleaned up by the post-install event handling regardless of whether 10181 // there's a restore pass performed. Token values are >= 1. 10182 int token; 10183 if (mNextInstallToken < 0) mNextInstallToken = 1; 10184 token = mNextInstallToken++; 10185 10186 PostInstallData data = new PostInstallData(args, res); 10187 mRunningInstalls.put(token, data); 10188 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10189 10190 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10191 // Pass responsibility to the Backup Manager. It will perform a 10192 // restore if appropriate, then pass responsibility back to the 10193 // Package Manager to run the post-install observer callbacks 10194 // and broadcasts. 10195 IBackupManager bm = IBackupManager.Stub.asInterface( 10196 ServiceManager.getService(Context.BACKUP_SERVICE)); 10197 if (bm != null) { 10198 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10199 + " to BM for possible restore"); 10200 try { 10201 if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { 10202 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10203 } else { 10204 doRestore = false; 10205 } 10206 } catch (RemoteException e) { 10207 // can't happen; the backup manager is local 10208 } catch (Exception e) { 10209 Slog.e(TAG, "Exception trying to enqueue restore", e); 10210 doRestore = false; 10211 } 10212 } else { 10213 Slog.e(TAG, "Backup Manager not found!"); 10214 doRestore = false; 10215 } 10216 } 10217 10218 if (!doRestore) { 10219 // No restore possible, or the Backup Manager was mysteriously not 10220 // available -- just fire the post-install work request directly. 10221 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10222 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10223 mHandler.sendMessage(msg); 10224 } 10225 } 10226 }); 10227 } 10228 10229 private abstract class HandlerParams { 10230 private static final int MAX_RETRIES = 4; 10231 10232 /** 10233 * Number of times startCopy() has been attempted and had a non-fatal 10234 * error. 10235 */ 10236 private int mRetries = 0; 10237 10238 /** User handle for the user requesting the information or installation. */ 10239 private final UserHandle mUser; 10240 10241 HandlerParams(UserHandle user) { 10242 mUser = user; 10243 } 10244 10245 UserHandle getUser() { 10246 return mUser; 10247 } 10248 10249 final boolean startCopy() { 10250 boolean res; 10251 try { 10252 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10253 10254 if (++mRetries > MAX_RETRIES) { 10255 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10256 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10257 handleServiceError(); 10258 return false; 10259 } else { 10260 handleStartCopy(); 10261 res = true; 10262 } 10263 } catch (RemoteException e) { 10264 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10265 mHandler.sendEmptyMessage(MCS_RECONNECT); 10266 res = false; 10267 } 10268 handleReturnCode(); 10269 return res; 10270 } 10271 10272 final void serviceError() { 10273 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10274 handleServiceError(); 10275 handleReturnCode(); 10276 } 10277 10278 abstract void handleStartCopy() throws RemoteException; 10279 abstract void handleServiceError(); 10280 abstract void handleReturnCode(); 10281 } 10282 10283 class MeasureParams extends HandlerParams { 10284 private final PackageStats mStats; 10285 private boolean mSuccess; 10286 10287 private final IPackageStatsObserver mObserver; 10288 10289 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10290 super(new UserHandle(stats.userHandle)); 10291 mObserver = observer; 10292 mStats = stats; 10293 } 10294 10295 @Override 10296 public String toString() { 10297 return "MeasureParams{" 10298 + Integer.toHexString(System.identityHashCode(this)) 10299 + " " + mStats.packageName + "}"; 10300 } 10301 10302 @Override 10303 void handleStartCopy() throws RemoteException { 10304 synchronized (mInstallLock) { 10305 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10306 } 10307 10308 if (mSuccess) { 10309 final boolean mounted; 10310 if (Environment.isExternalStorageEmulated()) { 10311 mounted = true; 10312 } else { 10313 final String status = Environment.getExternalStorageState(); 10314 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10315 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10316 } 10317 10318 if (mounted) { 10319 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10320 10321 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10322 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10323 10324 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10325 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10326 10327 // Always subtract cache size, since it's a subdirectory 10328 mStats.externalDataSize -= mStats.externalCacheSize; 10329 10330 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10331 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10332 10333 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10334 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10335 } 10336 } 10337 } 10338 10339 @Override 10340 void handleReturnCode() { 10341 if (mObserver != null) { 10342 try { 10343 mObserver.onGetStatsCompleted(mStats, mSuccess); 10344 } catch (RemoteException e) { 10345 Slog.i(TAG, "Observer no longer exists."); 10346 } 10347 } 10348 } 10349 10350 @Override 10351 void handleServiceError() { 10352 Slog.e(TAG, "Could not measure application " + mStats.packageName 10353 + " external storage"); 10354 } 10355 } 10356 10357 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10358 throws RemoteException { 10359 long result = 0; 10360 for (File path : paths) { 10361 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10362 } 10363 return result; 10364 } 10365 10366 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10367 for (File path : paths) { 10368 try { 10369 mcs.clearDirectory(path.getAbsolutePath()); 10370 } catch (RemoteException e) { 10371 } 10372 } 10373 } 10374 10375 static class OriginInfo { 10376 /** 10377 * Location where install is coming from, before it has been 10378 * copied/renamed into place. This could be a single monolithic APK 10379 * file, or a cluster directory. This location may be untrusted. 10380 */ 10381 final File file; 10382 final String cid; 10383 10384 /** 10385 * Flag indicating that {@link #file} or {@link #cid} has already been 10386 * staged, meaning downstream users don't need to defensively copy the 10387 * contents. 10388 */ 10389 final boolean staged; 10390 10391 /** 10392 * Flag indicating that {@link #file} or {@link #cid} is an already 10393 * installed app that is being moved. 10394 */ 10395 final boolean existing; 10396 10397 final String resolvedPath; 10398 final File resolvedFile; 10399 10400 static OriginInfo fromNothing() { 10401 return new OriginInfo(null, null, false, false); 10402 } 10403 10404 static OriginInfo fromUntrustedFile(File file) { 10405 return new OriginInfo(file, null, false, false); 10406 } 10407 10408 static OriginInfo fromExistingFile(File file) { 10409 return new OriginInfo(file, null, false, true); 10410 } 10411 10412 static OriginInfo fromStagedFile(File file) { 10413 return new OriginInfo(file, null, true, false); 10414 } 10415 10416 static OriginInfo fromStagedContainer(String cid) { 10417 return new OriginInfo(null, cid, true, false); 10418 } 10419 10420 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10421 this.file = file; 10422 this.cid = cid; 10423 this.staged = staged; 10424 this.existing = existing; 10425 10426 if (cid != null) { 10427 resolvedPath = PackageHelper.getSdDir(cid); 10428 resolvedFile = new File(resolvedPath); 10429 } else if (file != null) { 10430 resolvedPath = file.getAbsolutePath(); 10431 resolvedFile = file; 10432 } else { 10433 resolvedPath = null; 10434 resolvedFile = null; 10435 } 10436 } 10437 } 10438 10439 class MoveInfo { 10440 final int moveId; 10441 final String fromUuid; 10442 final String toUuid; 10443 final String packageName; 10444 final String dataAppName; 10445 final int appId; 10446 final String seinfo; 10447 10448 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10449 String dataAppName, int appId, String seinfo) { 10450 this.moveId = moveId; 10451 this.fromUuid = fromUuid; 10452 this.toUuid = toUuid; 10453 this.packageName = packageName; 10454 this.dataAppName = dataAppName; 10455 this.appId = appId; 10456 this.seinfo = seinfo; 10457 } 10458 } 10459 10460 class InstallParams extends HandlerParams { 10461 final OriginInfo origin; 10462 final MoveInfo move; 10463 final IPackageInstallObserver2 observer; 10464 int installFlags; 10465 final String installerPackageName; 10466 final String volumeUuid; 10467 final VerificationParams verificationParams; 10468 private InstallArgs mArgs; 10469 private int mRet; 10470 final String packageAbiOverride; 10471 final String[] grantedRuntimePermissions; 10472 10473 10474 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10475 int installFlags, String installerPackageName, String volumeUuid, 10476 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10477 String[] grantedPermissions) { 10478 super(user); 10479 this.origin = origin; 10480 this.move = move; 10481 this.observer = observer; 10482 this.installFlags = installFlags; 10483 this.installerPackageName = installerPackageName; 10484 this.volumeUuid = volumeUuid; 10485 this.verificationParams = verificationParams; 10486 this.packageAbiOverride = packageAbiOverride; 10487 this.grantedRuntimePermissions = grantedPermissions; 10488 } 10489 10490 @Override 10491 public String toString() { 10492 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10493 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10494 } 10495 10496 public ManifestDigest getManifestDigest() { 10497 if (verificationParams == null) { 10498 return null; 10499 } 10500 return verificationParams.getManifestDigest(); 10501 } 10502 10503 private int installLocationPolicy(PackageInfoLite pkgLite) { 10504 String packageName = pkgLite.packageName; 10505 int installLocation = pkgLite.installLocation; 10506 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10507 // reader 10508 synchronized (mPackages) { 10509 PackageParser.Package pkg = mPackages.get(packageName); 10510 if (pkg != null) { 10511 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10512 // Check for downgrading. 10513 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10514 try { 10515 checkDowngrade(pkg, pkgLite); 10516 } catch (PackageManagerException e) { 10517 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10518 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10519 } 10520 } 10521 // Check for updated system application. 10522 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10523 if (onSd) { 10524 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10525 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10526 } 10527 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10528 } else { 10529 if (onSd) { 10530 // Install flag overrides everything. 10531 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10532 } 10533 // If current upgrade specifies particular preference 10534 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10535 // Application explicitly specified internal. 10536 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10537 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10538 // App explictly prefers external. Let policy decide 10539 } else { 10540 // Prefer previous location 10541 if (isExternal(pkg)) { 10542 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10543 } 10544 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10545 } 10546 } 10547 } else { 10548 // Invalid install. Return error code 10549 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10550 } 10551 } 10552 } 10553 // All the special cases have been taken care of. 10554 // Return result based on recommended install location. 10555 if (onSd) { 10556 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10557 } 10558 return pkgLite.recommendedInstallLocation; 10559 } 10560 10561 /* 10562 * Invoke remote method to get package information and install 10563 * location values. Override install location based on default 10564 * policy if needed and then create install arguments based 10565 * on the install location. 10566 */ 10567 public void handleStartCopy() throws RemoteException { 10568 int ret = PackageManager.INSTALL_SUCCEEDED; 10569 10570 // If we're already staged, we've firmly committed to an install location 10571 if (origin.staged) { 10572 if (origin.file != null) { 10573 installFlags |= PackageManager.INSTALL_INTERNAL; 10574 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10575 } else if (origin.cid != null) { 10576 installFlags |= PackageManager.INSTALL_EXTERNAL; 10577 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10578 } else { 10579 throw new IllegalStateException("Invalid stage location"); 10580 } 10581 } 10582 10583 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10584 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 10585 10586 PackageInfoLite pkgLite = null; 10587 10588 if (onInt && onSd) { 10589 // Check if both bits are set. 10590 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 10591 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10592 } else { 10593 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 10594 packageAbiOverride); 10595 10596 /* 10597 * If we have too little free space, try to free cache 10598 * before giving up. 10599 */ 10600 if (!origin.staged && pkgLite.recommendedInstallLocation 10601 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10602 // TODO: focus freeing disk space on the target device 10603 final StorageManager storage = StorageManager.from(mContext); 10604 final long lowThreshold = storage.getStorageLowBytes( 10605 Environment.getDataDirectory()); 10606 10607 final long sizeBytes = mContainerService.calculateInstalledSize( 10608 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 10609 10610 if (mInstaller.freeCache(null, sizeBytes + lowThreshold) >= 0) { 10611 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 10612 installFlags, packageAbiOverride); 10613 } 10614 10615 /* 10616 * The cache free must have deleted the file we 10617 * downloaded to install. 10618 * 10619 * TODO: fix the "freeCache" call to not delete 10620 * the file we care about. 10621 */ 10622 if (pkgLite.recommendedInstallLocation 10623 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10624 pkgLite.recommendedInstallLocation 10625 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 10626 } 10627 } 10628 } 10629 10630 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10631 int loc = pkgLite.recommendedInstallLocation; 10632 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 10633 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10634 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 10635 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 10636 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 10637 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10638 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 10639 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 10640 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 10641 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 10642 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 10643 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 10644 } else { 10645 // Override with defaults if needed. 10646 loc = installLocationPolicy(pkgLite); 10647 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 10648 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 10649 } else if (!onSd && !onInt) { 10650 // Override install location with flags 10651 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 10652 // Set the flag to install on external media. 10653 installFlags |= PackageManager.INSTALL_EXTERNAL; 10654 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10655 } else { 10656 // Make sure the flag for installing on external 10657 // media is unset 10658 installFlags |= PackageManager.INSTALL_INTERNAL; 10659 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10660 } 10661 } 10662 } 10663 } 10664 10665 final InstallArgs args = createInstallArgs(this); 10666 mArgs = args; 10667 10668 if (ret == PackageManager.INSTALL_SUCCEEDED) { 10669 /* 10670 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 10671 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 10672 */ 10673 int userIdentifier = getUser().getIdentifier(); 10674 if (userIdentifier == UserHandle.USER_ALL 10675 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 10676 userIdentifier = UserHandle.USER_OWNER; 10677 } 10678 10679 /* 10680 * Determine if we have any installed package verifiers. If we 10681 * do, then we'll defer to them to verify the packages. 10682 */ 10683 final int requiredUid = mRequiredVerifierPackage == null ? -1 10684 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 10685 if (!origin.existing && requiredUid != -1 10686 && isVerificationEnabled(userIdentifier, installFlags)) { 10687 final Intent verification = new Intent( 10688 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 10689 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 10690 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 10691 PACKAGE_MIME_TYPE); 10692 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10693 10694 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 10695 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 10696 0 /* TODO: Which userId? */); 10697 10698 if (DEBUG_VERIFY) { 10699 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 10700 + verification.toString() + " with " + pkgLite.verifiers.length 10701 + " optional verifiers"); 10702 } 10703 10704 final int verificationId = mPendingVerificationToken++; 10705 10706 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10707 10708 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 10709 installerPackageName); 10710 10711 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 10712 installFlags); 10713 10714 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 10715 pkgLite.packageName); 10716 10717 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 10718 pkgLite.versionCode); 10719 10720 if (verificationParams != null) { 10721 if (verificationParams.getVerificationURI() != null) { 10722 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 10723 verificationParams.getVerificationURI()); 10724 } 10725 if (verificationParams.getOriginatingURI() != null) { 10726 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 10727 verificationParams.getOriginatingURI()); 10728 } 10729 if (verificationParams.getReferrer() != null) { 10730 verification.putExtra(Intent.EXTRA_REFERRER, 10731 verificationParams.getReferrer()); 10732 } 10733 if (verificationParams.getOriginatingUid() >= 0) { 10734 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 10735 verificationParams.getOriginatingUid()); 10736 } 10737 if (verificationParams.getInstallerUid() >= 0) { 10738 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 10739 verificationParams.getInstallerUid()); 10740 } 10741 } 10742 10743 final PackageVerificationState verificationState = new PackageVerificationState( 10744 requiredUid, args); 10745 10746 mPendingVerification.append(verificationId, verificationState); 10747 10748 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 10749 receivers, verificationState); 10750 10751 // Apps installed for "all" users use the device owner to verify the app 10752 UserHandle verifierUser = getUser(); 10753 if (verifierUser == UserHandle.ALL) { 10754 verifierUser = UserHandle.OWNER; 10755 } 10756 10757 /* 10758 * If any sufficient verifiers were listed in the package 10759 * manifest, attempt to ask them. 10760 */ 10761 if (sufficientVerifiers != null) { 10762 final int N = sufficientVerifiers.size(); 10763 if (N == 0) { 10764 Slog.i(TAG, "Additional verifiers required, but none installed."); 10765 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 10766 } else { 10767 for (int i = 0; i < N; i++) { 10768 final ComponentName verifierComponent = sufficientVerifiers.get(i); 10769 10770 final Intent sufficientIntent = new Intent(verification); 10771 sufficientIntent.setComponent(verifierComponent); 10772 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 10773 } 10774 } 10775 } 10776 10777 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 10778 mRequiredVerifierPackage, receivers); 10779 if (ret == PackageManager.INSTALL_SUCCEEDED 10780 && mRequiredVerifierPackage != null) { 10781 /* 10782 * Send the intent to the required verification agent, 10783 * but only start the verification timeout after the 10784 * target BroadcastReceivers have run. 10785 */ 10786 verification.setComponent(requiredVerifierComponent); 10787 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 10788 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10789 new BroadcastReceiver() { 10790 @Override 10791 public void onReceive(Context context, Intent intent) { 10792 final Message msg = mHandler 10793 .obtainMessage(CHECK_PENDING_VERIFICATION); 10794 msg.arg1 = verificationId; 10795 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 10796 } 10797 }, null, 0, null, null); 10798 10799 /* 10800 * We don't want the copy to proceed until verification 10801 * succeeds, so null out this field. 10802 */ 10803 mArgs = null; 10804 } 10805 } else { 10806 /* 10807 * No package verification is enabled, so immediately start 10808 * the remote call to initiate copy using temporary file. 10809 */ 10810 ret = args.copyApk(mContainerService, true); 10811 } 10812 } 10813 10814 mRet = ret; 10815 } 10816 10817 @Override 10818 void handleReturnCode() { 10819 // If mArgs is null, then MCS couldn't be reached. When it 10820 // reconnects, it will try again to install. At that point, this 10821 // will succeed. 10822 if (mArgs != null) { 10823 processPendingInstall(mArgs, mRet); 10824 } 10825 } 10826 10827 @Override 10828 void handleServiceError() { 10829 mArgs = createInstallArgs(this); 10830 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 10831 } 10832 10833 public boolean isForwardLocked() { 10834 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10835 } 10836 } 10837 10838 /** 10839 * Used during creation of InstallArgs 10840 * 10841 * @param installFlags package installation flags 10842 * @return true if should be installed on external storage 10843 */ 10844 private static boolean installOnExternalAsec(int installFlags) { 10845 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 10846 return false; 10847 } 10848 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 10849 return true; 10850 } 10851 return false; 10852 } 10853 10854 /** 10855 * Used during creation of InstallArgs 10856 * 10857 * @param installFlags package installation flags 10858 * @return true if should be installed as forward locked 10859 */ 10860 private static boolean installForwardLocked(int installFlags) { 10861 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10862 } 10863 10864 private InstallArgs createInstallArgs(InstallParams params) { 10865 if (params.move != null) { 10866 return new MoveInstallArgs(params); 10867 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 10868 return new AsecInstallArgs(params); 10869 } else { 10870 return new FileInstallArgs(params); 10871 } 10872 } 10873 10874 /** 10875 * Create args that describe an existing installed package. Typically used 10876 * when cleaning up old installs, or used as a move source. 10877 */ 10878 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 10879 String resourcePath, String[] instructionSets) { 10880 final boolean isInAsec; 10881 if (installOnExternalAsec(installFlags)) { 10882 /* Apps on SD card are always in ASEC containers. */ 10883 isInAsec = true; 10884 } else if (installForwardLocked(installFlags) 10885 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 10886 /* 10887 * Forward-locked apps are only in ASEC containers if they're the 10888 * new style 10889 */ 10890 isInAsec = true; 10891 } else { 10892 isInAsec = false; 10893 } 10894 10895 if (isInAsec) { 10896 return new AsecInstallArgs(codePath, instructionSets, 10897 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 10898 } else { 10899 return new FileInstallArgs(codePath, resourcePath, instructionSets); 10900 } 10901 } 10902 10903 static abstract class InstallArgs { 10904 /** @see InstallParams#origin */ 10905 final OriginInfo origin; 10906 /** @see InstallParams#move */ 10907 final MoveInfo move; 10908 10909 final IPackageInstallObserver2 observer; 10910 // Always refers to PackageManager flags only 10911 final int installFlags; 10912 final String installerPackageName; 10913 final String volumeUuid; 10914 final ManifestDigest manifestDigest; 10915 final UserHandle user; 10916 final String abiOverride; 10917 final String[] installGrantPermissions; 10918 10919 // The list of instruction sets supported by this app. This is currently 10920 // only used during the rmdex() phase to clean up resources. We can get rid of this 10921 // if we move dex files under the common app path. 10922 /* nullable */ String[] instructionSets; 10923 10924 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10925 int installFlags, String installerPackageName, String volumeUuid, 10926 ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, 10927 String abiOverride, String[] installGrantPermissions) { 10928 this.origin = origin; 10929 this.move = move; 10930 this.installFlags = installFlags; 10931 this.observer = observer; 10932 this.installerPackageName = installerPackageName; 10933 this.volumeUuid = volumeUuid; 10934 this.manifestDigest = manifestDigest; 10935 this.user = user; 10936 this.instructionSets = instructionSets; 10937 this.abiOverride = abiOverride; 10938 this.installGrantPermissions = installGrantPermissions; 10939 } 10940 10941 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 10942 abstract int doPreInstall(int status); 10943 10944 /** 10945 * Rename package into final resting place. All paths on the given 10946 * scanned package should be updated to reflect the rename. 10947 */ 10948 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 10949 abstract int doPostInstall(int status, int uid); 10950 10951 /** @see PackageSettingBase#codePathString */ 10952 abstract String getCodePath(); 10953 /** @see PackageSettingBase#resourcePathString */ 10954 abstract String getResourcePath(); 10955 10956 // Need installer lock especially for dex file removal. 10957 abstract void cleanUpResourcesLI(); 10958 abstract boolean doPostDeleteLI(boolean delete); 10959 10960 /** 10961 * Called before the source arguments are copied. This is used mostly 10962 * for MoveParams when it needs to read the source file to put it in the 10963 * destination. 10964 */ 10965 int doPreCopy() { 10966 return PackageManager.INSTALL_SUCCEEDED; 10967 } 10968 10969 /** 10970 * Called after the source arguments are copied. This is used mostly for 10971 * MoveParams when it needs to read the source file to put it in the 10972 * destination. 10973 * 10974 * @return 10975 */ 10976 int doPostCopy(int uid) { 10977 return PackageManager.INSTALL_SUCCEEDED; 10978 } 10979 10980 protected boolean isFwdLocked() { 10981 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 10982 } 10983 10984 protected boolean isExternalAsec() { 10985 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10986 } 10987 10988 UserHandle getUser() { 10989 return user; 10990 } 10991 } 10992 10993 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 10994 if (!allCodePaths.isEmpty()) { 10995 if (instructionSets == null) { 10996 throw new IllegalStateException("instructionSet == null"); 10997 } 10998 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 10999 for (String codePath : allCodePaths) { 11000 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11001 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 11002 if (retCode < 0) { 11003 Slog.w(TAG, "Couldn't remove dex file for package: " 11004 + " at location " + codePath + ", retcode=" + retCode); 11005 // we don't consider this to be a failure of the core package deletion 11006 } 11007 } 11008 } 11009 } 11010 } 11011 11012 /** 11013 * Logic to handle installation of non-ASEC applications, including copying 11014 * and renaming logic. 11015 */ 11016 class FileInstallArgs extends InstallArgs { 11017 private File codeFile; 11018 private File resourceFile; 11019 11020 // Example topology: 11021 // /data/app/com.example/base.apk 11022 // /data/app/com.example/split_foo.apk 11023 // /data/app/com.example/lib/arm/libfoo.so 11024 // /data/app/com.example/lib/arm64/libfoo.so 11025 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11026 11027 /** New install */ 11028 FileInstallArgs(InstallParams params) { 11029 super(params.origin, params.move, params.observer, params.installFlags, 11030 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11031 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11032 params.grantedRuntimePermissions); 11033 if (isFwdLocked()) { 11034 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11035 } 11036 } 11037 11038 /** Existing install */ 11039 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11040 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, null, instructionSets, 11041 null, null); 11042 this.codeFile = (codePath != null) ? new File(codePath) : null; 11043 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11044 } 11045 11046 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11047 if (origin.staged) { 11048 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11049 codeFile = origin.file; 11050 resourceFile = origin.file; 11051 return PackageManager.INSTALL_SUCCEEDED; 11052 } 11053 11054 try { 11055 final File tempDir = mInstallerService.allocateStageDirLegacy(volumeUuid); 11056 codeFile = tempDir; 11057 resourceFile = tempDir; 11058 } catch (IOException e) { 11059 Slog.w(TAG, "Failed to create copy file: " + e); 11060 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11061 } 11062 11063 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11064 @Override 11065 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11066 if (!FileUtils.isValidExtFilename(name)) { 11067 throw new IllegalArgumentException("Invalid filename: " + name); 11068 } 11069 try { 11070 final File file = new File(codeFile, name); 11071 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11072 O_RDWR | O_CREAT, 0644); 11073 Os.chmod(file.getAbsolutePath(), 0644); 11074 return new ParcelFileDescriptor(fd); 11075 } catch (ErrnoException e) { 11076 throw new RemoteException("Failed to open: " + e.getMessage()); 11077 } 11078 } 11079 }; 11080 11081 int ret = PackageManager.INSTALL_SUCCEEDED; 11082 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11083 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11084 Slog.e(TAG, "Failed to copy package"); 11085 return ret; 11086 } 11087 11088 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11089 NativeLibraryHelper.Handle handle = null; 11090 try { 11091 handle = NativeLibraryHelper.Handle.create(codeFile); 11092 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11093 abiOverride); 11094 } catch (IOException e) { 11095 Slog.e(TAG, "Copying native libraries failed", e); 11096 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11097 } finally { 11098 IoUtils.closeQuietly(handle); 11099 } 11100 11101 return ret; 11102 } 11103 11104 int doPreInstall(int status) { 11105 if (status != PackageManager.INSTALL_SUCCEEDED) { 11106 cleanUp(); 11107 } 11108 return status; 11109 } 11110 11111 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11112 if (status != PackageManager.INSTALL_SUCCEEDED) { 11113 cleanUp(); 11114 return false; 11115 } 11116 11117 final File targetDir = codeFile.getParentFile(); 11118 final File beforeCodeFile = codeFile; 11119 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11120 11121 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11122 try { 11123 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11124 } catch (ErrnoException e) { 11125 Slog.w(TAG, "Failed to rename", e); 11126 return false; 11127 } 11128 11129 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11130 Slog.w(TAG, "Failed to restorecon"); 11131 return false; 11132 } 11133 11134 // Reflect the rename internally 11135 codeFile = afterCodeFile; 11136 resourceFile = afterCodeFile; 11137 11138 // Reflect the rename in scanned details 11139 pkg.codePath = afterCodeFile.getAbsolutePath(); 11140 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11141 pkg.baseCodePath); 11142 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11143 pkg.splitCodePaths); 11144 11145 // Reflect the rename in app info 11146 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11147 pkg.applicationInfo.setCodePath(pkg.codePath); 11148 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11149 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11150 pkg.applicationInfo.setResourcePath(pkg.codePath); 11151 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11152 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11153 11154 return true; 11155 } 11156 11157 int doPostInstall(int status, int uid) { 11158 if (status != PackageManager.INSTALL_SUCCEEDED) { 11159 cleanUp(); 11160 } 11161 return status; 11162 } 11163 11164 @Override 11165 String getCodePath() { 11166 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11167 } 11168 11169 @Override 11170 String getResourcePath() { 11171 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11172 } 11173 11174 private boolean cleanUp() { 11175 if (codeFile == null || !codeFile.exists()) { 11176 return false; 11177 } 11178 11179 if (codeFile.isDirectory()) { 11180 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11181 } else { 11182 codeFile.delete(); 11183 } 11184 11185 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11186 resourceFile.delete(); 11187 } 11188 11189 return true; 11190 } 11191 11192 void cleanUpResourcesLI() { 11193 // Try enumerating all code paths before deleting 11194 List<String> allCodePaths = Collections.EMPTY_LIST; 11195 if (codeFile != null && codeFile.exists()) { 11196 try { 11197 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11198 allCodePaths = pkg.getAllCodePaths(); 11199 } catch (PackageParserException e) { 11200 // Ignored; we tried our best 11201 } 11202 } 11203 11204 cleanUp(); 11205 removeDexFiles(allCodePaths, instructionSets); 11206 } 11207 11208 boolean doPostDeleteLI(boolean delete) { 11209 // XXX err, shouldn't we respect the delete flag? 11210 cleanUpResourcesLI(); 11211 return true; 11212 } 11213 } 11214 11215 private boolean isAsecExternal(String cid) { 11216 final String asecPath = PackageHelper.getSdFilesystem(cid); 11217 return !asecPath.startsWith(mAsecInternalPath); 11218 } 11219 11220 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11221 PackageManagerException { 11222 if (copyRet < 0) { 11223 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11224 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11225 throw new PackageManagerException(copyRet, message); 11226 } 11227 } 11228 } 11229 11230 /** 11231 * Extract the MountService "container ID" from the full code path of an 11232 * .apk. 11233 */ 11234 static String cidFromCodePath(String fullCodePath) { 11235 int eidx = fullCodePath.lastIndexOf("/"); 11236 String subStr1 = fullCodePath.substring(0, eidx); 11237 int sidx = subStr1.lastIndexOf("/"); 11238 return subStr1.substring(sidx+1, eidx); 11239 } 11240 11241 /** 11242 * Logic to handle installation of ASEC applications, including copying and 11243 * renaming logic. 11244 */ 11245 class AsecInstallArgs extends InstallArgs { 11246 static final String RES_FILE_NAME = "pkg.apk"; 11247 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11248 11249 String cid; 11250 String packagePath; 11251 String resourcePath; 11252 11253 /** New install */ 11254 AsecInstallArgs(InstallParams params) { 11255 super(params.origin, params.move, params.observer, params.installFlags, 11256 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11257 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11258 params.grantedRuntimePermissions); 11259 } 11260 11261 /** Existing install */ 11262 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11263 boolean isExternal, boolean isForwardLocked) { 11264 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11265 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11266 instructionSets, null, null); 11267 // Hackily pretend we're still looking at a full code path 11268 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11269 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11270 } 11271 11272 // Extract cid from fullCodePath 11273 int eidx = fullCodePath.lastIndexOf("/"); 11274 String subStr1 = fullCodePath.substring(0, eidx); 11275 int sidx = subStr1.lastIndexOf("/"); 11276 cid = subStr1.substring(sidx+1, eidx); 11277 setMountPath(subStr1); 11278 } 11279 11280 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11281 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11282 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, null, 11283 instructionSets, null, null); 11284 this.cid = cid; 11285 setMountPath(PackageHelper.getSdDir(cid)); 11286 } 11287 11288 void createCopyFile() { 11289 cid = mInstallerService.allocateExternalStageCidLegacy(); 11290 } 11291 11292 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11293 if (origin.staged) { 11294 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11295 cid = origin.cid; 11296 setMountPath(PackageHelper.getSdDir(cid)); 11297 return PackageManager.INSTALL_SUCCEEDED; 11298 } 11299 11300 if (temp) { 11301 createCopyFile(); 11302 } else { 11303 /* 11304 * Pre-emptively destroy the container since it's destroyed if 11305 * copying fails due to it existing anyway. 11306 */ 11307 PackageHelper.destroySdDir(cid); 11308 } 11309 11310 final String newMountPath = imcs.copyPackageToContainer( 11311 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11312 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11313 11314 if (newMountPath != null) { 11315 setMountPath(newMountPath); 11316 return PackageManager.INSTALL_SUCCEEDED; 11317 } else { 11318 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11319 } 11320 } 11321 11322 @Override 11323 String getCodePath() { 11324 return packagePath; 11325 } 11326 11327 @Override 11328 String getResourcePath() { 11329 return resourcePath; 11330 } 11331 11332 int doPreInstall(int status) { 11333 if (status != PackageManager.INSTALL_SUCCEEDED) { 11334 // Destroy container 11335 PackageHelper.destroySdDir(cid); 11336 } else { 11337 boolean mounted = PackageHelper.isContainerMounted(cid); 11338 if (!mounted) { 11339 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11340 Process.SYSTEM_UID); 11341 if (newMountPath != null) { 11342 setMountPath(newMountPath); 11343 } else { 11344 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11345 } 11346 } 11347 } 11348 return status; 11349 } 11350 11351 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11352 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11353 String newMountPath = null; 11354 if (PackageHelper.isContainerMounted(cid)) { 11355 // Unmount the container 11356 if (!PackageHelper.unMountSdDir(cid)) { 11357 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11358 return false; 11359 } 11360 } 11361 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11362 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11363 " which might be stale. Will try to clean up."); 11364 // Clean up the stale container and proceed to recreate. 11365 if (!PackageHelper.destroySdDir(newCacheId)) { 11366 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11367 return false; 11368 } 11369 // Successfully cleaned up stale container. Try to rename again. 11370 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11371 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11372 + " inspite of cleaning it up."); 11373 return false; 11374 } 11375 } 11376 if (!PackageHelper.isContainerMounted(newCacheId)) { 11377 Slog.w(TAG, "Mounting container " + newCacheId); 11378 newMountPath = PackageHelper.mountSdDir(newCacheId, 11379 getEncryptKey(), Process.SYSTEM_UID); 11380 } else { 11381 newMountPath = PackageHelper.getSdDir(newCacheId); 11382 } 11383 if (newMountPath == null) { 11384 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11385 return false; 11386 } 11387 Log.i(TAG, "Succesfully renamed " + cid + 11388 " to " + newCacheId + 11389 " at new path: " + newMountPath); 11390 cid = newCacheId; 11391 11392 final File beforeCodeFile = new File(packagePath); 11393 setMountPath(newMountPath); 11394 final File afterCodeFile = new File(packagePath); 11395 11396 // Reflect the rename in scanned details 11397 pkg.codePath = afterCodeFile.getAbsolutePath(); 11398 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11399 pkg.baseCodePath); 11400 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11401 pkg.splitCodePaths); 11402 11403 // Reflect the rename in app info 11404 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11405 pkg.applicationInfo.setCodePath(pkg.codePath); 11406 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11407 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11408 pkg.applicationInfo.setResourcePath(pkg.codePath); 11409 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11410 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11411 11412 return true; 11413 } 11414 11415 private void setMountPath(String mountPath) { 11416 final File mountFile = new File(mountPath); 11417 11418 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11419 if (monolithicFile.exists()) { 11420 packagePath = monolithicFile.getAbsolutePath(); 11421 if (isFwdLocked()) { 11422 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11423 } else { 11424 resourcePath = packagePath; 11425 } 11426 } else { 11427 packagePath = mountFile.getAbsolutePath(); 11428 resourcePath = packagePath; 11429 } 11430 } 11431 11432 int doPostInstall(int status, int uid) { 11433 if (status != PackageManager.INSTALL_SUCCEEDED) { 11434 cleanUp(); 11435 } else { 11436 final int groupOwner; 11437 final String protectedFile; 11438 if (isFwdLocked()) { 11439 groupOwner = UserHandle.getSharedAppGid(uid); 11440 protectedFile = RES_FILE_NAME; 11441 } else { 11442 groupOwner = -1; 11443 protectedFile = null; 11444 } 11445 11446 if (uid < Process.FIRST_APPLICATION_UID 11447 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11448 Slog.e(TAG, "Failed to finalize " + cid); 11449 PackageHelper.destroySdDir(cid); 11450 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11451 } 11452 11453 boolean mounted = PackageHelper.isContainerMounted(cid); 11454 if (!mounted) { 11455 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11456 } 11457 } 11458 return status; 11459 } 11460 11461 private void cleanUp() { 11462 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11463 11464 // Destroy secure container 11465 PackageHelper.destroySdDir(cid); 11466 } 11467 11468 private List<String> getAllCodePaths() { 11469 final File codeFile = new File(getCodePath()); 11470 if (codeFile != null && codeFile.exists()) { 11471 try { 11472 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11473 return pkg.getAllCodePaths(); 11474 } catch (PackageParserException e) { 11475 // Ignored; we tried our best 11476 } 11477 } 11478 return Collections.EMPTY_LIST; 11479 } 11480 11481 void cleanUpResourcesLI() { 11482 // Enumerate all code paths before deleting 11483 cleanUpResourcesLI(getAllCodePaths()); 11484 } 11485 11486 private void cleanUpResourcesLI(List<String> allCodePaths) { 11487 cleanUp(); 11488 removeDexFiles(allCodePaths, instructionSets); 11489 } 11490 11491 String getPackageName() { 11492 return getAsecPackageName(cid); 11493 } 11494 11495 boolean doPostDeleteLI(boolean delete) { 11496 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11497 final List<String> allCodePaths = getAllCodePaths(); 11498 boolean mounted = PackageHelper.isContainerMounted(cid); 11499 if (mounted) { 11500 // Unmount first 11501 if (PackageHelper.unMountSdDir(cid)) { 11502 mounted = false; 11503 } 11504 } 11505 if (!mounted && delete) { 11506 cleanUpResourcesLI(allCodePaths); 11507 } 11508 return !mounted; 11509 } 11510 11511 @Override 11512 int doPreCopy() { 11513 if (isFwdLocked()) { 11514 if (!PackageHelper.fixSdPermissions(cid, 11515 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 11516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11517 } 11518 } 11519 11520 return PackageManager.INSTALL_SUCCEEDED; 11521 } 11522 11523 @Override 11524 int doPostCopy(int uid) { 11525 if (isFwdLocked()) { 11526 if (uid < Process.FIRST_APPLICATION_UID 11527 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11528 RES_FILE_NAME)) { 11529 Slog.e(TAG, "Failed to finalize " + cid); 11530 PackageHelper.destroySdDir(cid); 11531 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11532 } 11533 } 11534 11535 return PackageManager.INSTALL_SUCCEEDED; 11536 } 11537 } 11538 11539 /** 11540 * Logic to handle movement of existing installed applications. 11541 */ 11542 class MoveInstallArgs extends InstallArgs { 11543 private File codeFile; 11544 private File resourceFile; 11545 11546 /** New install */ 11547 MoveInstallArgs(InstallParams params) { 11548 super(params.origin, params.move, params.observer, params.installFlags, 11549 params.installerPackageName, params.volumeUuid, params.getManifestDigest(), 11550 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11551 params.grantedRuntimePermissions); 11552 } 11553 11554 int copyApk(IMediaContainerService imcs, boolean temp) { 11555 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 11556 + move.fromUuid + " to " + move.toUuid); 11557 synchronized (mInstaller) { 11558 if (mInstaller.copyCompleteApp(move.fromUuid, move.toUuid, move.packageName, 11559 move.dataAppName, move.appId, move.seinfo) != 0) { 11560 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11561 } 11562 } 11563 11564 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 11565 resourceFile = codeFile; 11566 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 11567 11568 return PackageManager.INSTALL_SUCCEEDED; 11569 } 11570 11571 int doPreInstall(int status) { 11572 if (status != PackageManager.INSTALL_SUCCEEDED) { 11573 cleanUp(move.toUuid); 11574 } 11575 return status; 11576 } 11577 11578 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11579 if (status != PackageManager.INSTALL_SUCCEEDED) { 11580 cleanUp(move.toUuid); 11581 return false; 11582 } 11583 11584 // Reflect the move in app info 11585 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11586 pkg.applicationInfo.setCodePath(pkg.codePath); 11587 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11588 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11589 pkg.applicationInfo.setResourcePath(pkg.codePath); 11590 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11591 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11592 11593 return true; 11594 } 11595 11596 int doPostInstall(int status, int uid) { 11597 if (status == PackageManager.INSTALL_SUCCEEDED) { 11598 cleanUp(move.fromUuid); 11599 } else { 11600 cleanUp(move.toUuid); 11601 } 11602 return status; 11603 } 11604 11605 @Override 11606 String getCodePath() { 11607 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11608 } 11609 11610 @Override 11611 String getResourcePath() { 11612 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11613 } 11614 11615 private boolean cleanUp(String volumeUuid) { 11616 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 11617 move.dataAppName); 11618 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 11619 synchronized (mInstallLock) { 11620 // Clean up both app data and code 11621 removeDataDirsLI(volumeUuid, move.packageName); 11622 if (codeFile.isDirectory()) { 11623 mInstaller.rmPackageDir(codeFile.getAbsolutePath()); 11624 } else { 11625 codeFile.delete(); 11626 } 11627 } 11628 return true; 11629 } 11630 11631 void cleanUpResourcesLI() { 11632 throw new UnsupportedOperationException(); 11633 } 11634 11635 boolean doPostDeleteLI(boolean delete) { 11636 throw new UnsupportedOperationException(); 11637 } 11638 } 11639 11640 static String getAsecPackageName(String packageCid) { 11641 int idx = packageCid.lastIndexOf("-"); 11642 if (idx == -1) { 11643 return packageCid; 11644 } 11645 return packageCid.substring(0, idx); 11646 } 11647 11648 // Utility method used to create code paths based on package name and available index. 11649 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 11650 String idxStr = ""; 11651 int idx = 1; 11652 // Fall back to default value of idx=1 if prefix is not 11653 // part of oldCodePath 11654 if (oldCodePath != null) { 11655 String subStr = oldCodePath; 11656 // Drop the suffix right away 11657 if (suffix != null && subStr.endsWith(suffix)) { 11658 subStr = subStr.substring(0, subStr.length() - suffix.length()); 11659 } 11660 // If oldCodePath already contains prefix find out the 11661 // ending index to either increment or decrement. 11662 int sidx = subStr.lastIndexOf(prefix); 11663 if (sidx != -1) { 11664 subStr = subStr.substring(sidx + prefix.length()); 11665 if (subStr != null) { 11666 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 11667 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 11668 } 11669 try { 11670 idx = Integer.parseInt(subStr); 11671 if (idx <= 1) { 11672 idx++; 11673 } else { 11674 idx--; 11675 } 11676 } catch(NumberFormatException e) { 11677 } 11678 } 11679 } 11680 } 11681 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 11682 return prefix + idxStr; 11683 } 11684 11685 private File getNextCodePath(File targetDir, String packageName) { 11686 int suffix = 1; 11687 File result; 11688 do { 11689 result = new File(targetDir, packageName + "-" + suffix); 11690 suffix++; 11691 } while (result.exists()); 11692 return result; 11693 } 11694 11695 // Utility method that returns the relative package path with respect 11696 // to the installation directory. Like say for /data/data/com.test-1.apk 11697 // string com.test-1 is returned. 11698 static String deriveCodePathName(String codePath) { 11699 if (codePath == null) { 11700 return null; 11701 } 11702 final File codeFile = new File(codePath); 11703 final String name = codeFile.getName(); 11704 if (codeFile.isDirectory()) { 11705 return name; 11706 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 11707 final int lastDot = name.lastIndexOf('.'); 11708 return name.substring(0, lastDot); 11709 } else { 11710 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 11711 return null; 11712 } 11713 } 11714 11715 class PackageInstalledInfo { 11716 String name; 11717 int uid; 11718 // The set of users that originally had this package installed. 11719 int[] origUsers; 11720 // The set of users that now have this package installed. 11721 int[] newUsers; 11722 PackageParser.Package pkg; 11723 int returnCode; 11724 String returnMsg; 11725 PackageRemovedInfo removedInfo; 11726 11727 public void setError(int code, String msg) { 11728 returnCode = code; 11729 returnMsg = msg; 11730 Slog.w(TAG, msg); 11731 } 11732 11733 public void setError(String msg, PackageParserException e) { 11734 returnCode = e.error; 11735 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11736 Slog.w(TAG, msg, e); 11737 } 11738 11739 public void setError(String msg, PackageManagerException e) { 11740 returnCode = e.error; 11741 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 11742 Slog.w(TAG, msg, e); 11743 } 11744 11745 // In some error cases we want to convey more info back to the observer 11746 String origPackage; 11747 String origPermission; 11748 } 11749 11750 /* 11751 * Install a non-existing package. 11752 */ 11753 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11754 UserHandle user, String installerPackageName, String volumeUuid, 11755 PackageInstalledInfo res) { 11756 // Remember this for later, in case we need to rollback this install 11757 String pkgName = pkg.packageName; 11758 11759 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 11760 final boolean dataDirExists = Environment 11761 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_OWNER, pkgName).exists(); 11762 synchronized(mPackages) { 11763 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 11764 // A package with the same name is already installed, though 11765 // it has been renamed to an older name. The package we 11766 // are trying to install should be installed as an update to 11767 // the existing one, but that has not been requested, so bail. 11768 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11769 + " without first uninstalling package running as " 11770 + mSettings.mRenamedPackages.get(pkgName)); 11771 return; 11772 } 11773 if (mPackages.containsKey(pkgName)) { 11774 // Don't allow installation over an existing package with the same name. 11775 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 11776 + " without first uninstalling."); 11777 return; 11778 } 11779 } 11780 11781 try { 11782 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 11783 System.currentTimeMillis(), user); 11784 11785 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 11786 // delete the partially installed application. the data directory will have to be 11787 // restored if it was already existing 11788 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11789 // remove package from internal structures. Note that we want deletePackageX to 11790 // delete the package data and cache directories that it created in 11791 // scanPackageLocked, unless those directories existed before we even tried to 11792 // install. 11793 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 11794 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 11795 res.removedInfo, true); 11796 } 11797 11798 } catch (PackageManagerException e) { 11799 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11800 } 11801 } 11802 11803 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 11804 // Can't rotate keys during boot or if sharedUser. 11805 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 11806 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 11807 return false; 11808 } 11809 // app is using upgradeKeySets; make sure all are valid 11810 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11811 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 11812 for (int i = 0; i < upgradeKeySets.length; i++) { 11813 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 11814 Slog.wtf(TAG, "Package " 11815 + (oldPs.name != null ? oldPs.name : "<null>") 11816 + " contains upgrade-key-set reference to unknown key-set: " 11817 + upgradeKeySets[i] 11818 + " reverting to signatures check."); 11819 return false; 11820 } 11821 } 11822 return true; 11823 } 11824 11825 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 11826 // Upgrade keysets are being used. Determine if new package has a superset of the 11827 // required keys. 11828 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 11829 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11830 for (int i = 0; i < upgradeKeySets.length; i++) { 11831 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 11832 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 11833 return true; 11834 } 11835 } 11836 return false; 11837 } 11838 11839 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 11840 UserHandle user, String installerPackageName, String volumeUuid, 11841 PackageInstalledInfo res) { 11842 final PackageParser.Package oldPackage; 11843 final String pkgName = pkg.packageName; 11844 final int[] allUsers; 11845 final boolean[] perUserInstalled; 11846 11847 // First find the old package info and check signatures 11848 synchronized(mPackages) { 11849 oldPackage = mPackages.get(pkgName); 11850 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 11851 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11852 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 11853 if(!checkUpgradeKeySetLP(ps, pkg)) { 11854 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11855 "New package not signed by keys specified by upgrade-keysets: " 11856 + pkgName); 11857 return; 11858 } 11859 } else { 11860 // default to original signature matching 11861 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 11862 != PackageManager.SIGNATURE_MATCH) { 11863 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 11864 "New package has a different signature: " + pkgName); 11865 return; 11866 } 11867 } 11868 11869 // In case of rollback, remember per-user/profile install state 11870 allUsers = sUserManager.getUserIds(); 11871 perUserInstalled = new boolean[allUsers.length]; 11872 for (int i = 0; i < allUsers.length; i++) { 11873 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 11874 } 11875 } 11876 11877 boolean sysPkg = (isSystemApp(oldPackage)); 11878 if (sysPkg) { 11879 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11880 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11881 } else { 11882 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 11883 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 11884 } 11885 } 11886 11887 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 11888 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11889 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11890 String volumeUuid, PackageInstalledInfo res) { 11891 String pkgName = deletedPackage.packageName; 11892 boolean deletedPkg = true; 11893 boolean updatedSettings = false; 11894 11895 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 11896 + deletedPackage); 11897 long origUpdateTime; 11898 if (pkg.mExtras != null) { 11899 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 11900 } else { 11901 origUpdateTime = 0; 11902 } 11903 11904 // First delete the existing package while retaining the data directory 11905 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 11906 res.removedInfo, true)) { 11907 // If the existing package wasn't successfully deleted 11908 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 11909 deletedPkg = false; 11910 } else { 11911 // Successfully deleted the old package; proceed with replace. 11912 11913 // If deleted package lived in a container, give users a chance to 11914 // relinquish resources before killing. 11915 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 11916 if (DEBUG_INSTALL) { 11917 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 11918 } 11919 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 11920 final ArrayList<String> pkgList = new ArrayList<String>(1); 11921 pkgList.add(deletedPackage.applicationInfo.packageName); 11922 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 11923 } 11924 11925 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 11926 try { 11927 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 11928 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 11929 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 11930 perUserInstalled, res, user); 11931 updatedSettings = true; 11932 } catch (PackageManagerException e) { 11933 res.setError("Package couldn't be installed in " + pkg.codePath, e); 11934 } 11935 } 11936 11937 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 11938 // remove package from internal structures. Note that we want deletePackageX to 11939 // delete the package data and cache directories that it created in 11940 // scanPackageLocked, unless those directories existed before we even tried to 11941 // install. 11942 if(updatedSettings) { 11943 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 11944 deletePackageLI( 11945 pkgName, null, true, allUsers, perUserInstalled, 11946 PackageManager.DELETE_KEEP_DATA, 11947 res.removedInfo, true); 11948 } 11949 // Since we failed to install the new package we need to restore the old 11950 // package that we deleted. 11951 if (deletedPkg) { 11952 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 11953 File restoreFile = new File(deletedPackage.codePath); 11954 // Parse old package 11955 boolean oldExternal = isExternal(deletedPackage); 11956 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 11957 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 11958 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 11959 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 11960 try { 11961 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 11962 } catch (PackageManagerException e) { 11963 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 11964 + e.getMessage()); 11965 return; 11966 } 11967 // Restore of old package succeeded. Update permissions. 11968 // writer 11969 synchronized (mPackages) { 11970 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 11971 UPDATE_PERMISSIONS_ALL); 11972 // can downgrade to reader 11973 mSettings.writeLPr(); 11974 } 11975 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 11976 } 11977 } 11978 } 11979 11980 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 11981 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 11982 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 11983 String volumeUuid, PackageInstalledInfo res) { 11984 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 11985 + ", old=" + deletedPackage); 11986 boolean disabledSystem = false; 11987 boolean updatedSettings = false; 11988 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 11989 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 11990 != 0) { 11991 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 11992 } 11993 String packageName = deletedPackage.packageName; 11994 if (packageName == null) { 11995 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 11996 "Attempt to delete null packageName."); 11997 return; 11998 } 11999 PackageParser.Package oldPkg; 12000 PackageSetting oldPkgSetting; 12001 // reader 12002 synchronized (mPackages) { 12003 oldPkg = mPackages.get(packageName); 12004 oldPkgSetting = mSettings.mPackages.get(packageName); 12005 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12006 (oldPkgSetting == null)) { 12007 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12008 "Couldn't find package:" + packageName + " information"); 12009 return; 12010 } 12011 } 12012 12013 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12014 12015 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12016 res.removedInfo.removedPackage = packageName; 12017 // Remove existing system package 12018 removePackageLI(oldPkgSetting, true); 12019 // writer 12020 synchronized (mPackages) { 12021 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12022 if (!disabledSystem && deletedPackage != null) { 12023 // We didn't need to disable the .apk as a current system package, 12024 // which means we are replacing another update that is already 12025 // installed. We need to make sure to delete the older one's .apk. 12026 res.removedInfo.args = createInstallArgsForExisting(0, 12027 deletedPackage.applicationInfo.getCodePath(), 12028 deletedPackage.applicationInfo.getResourcePath(), 12029 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12030 } else { 12031 res.removedInfo.args = null; 12032 } 12033 } 12034 12035 // Successfully disabled the old package. Now proceed with re-installation 12036 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12037 12038 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12039 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12040 12041 PackageParser.Package newPackage = null; 12042 try { 12043 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 12044 if (newPackage.mExtras != null) { 12045 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12046 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12047 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12048 12049 // is the update attempting to change shared user? that isn't going to work... 12050 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12051 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12052 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12053 + " to " + newPkgSetting.sharedUser); 12054 updatedSettings = true; 12055 } 12056 } 12057 12058 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12059 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12060 perUserInstalled, res, user); 12061 updatedSettings = true; 12062 } 12063 12064 } catch (PackageManagerException e) { 12065 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12066 } 12067 12068 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12069 // Re installation failed. Restore old information 12070 // Remove new pkg information 12071 if (newPackage != null) { 12072 removeInstalledPackageLI(newPackage, true); 12073 } 12074 // Add back the old system package 12075 try { 12076 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12077 } catch (PackageManagerException e) { 12078 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12079 } 12080 // Restore the old system information in Settings 12081 synchronized (mPackages) { 12082 if (disabledSystem) { 12083 mSettings.enableSystemPackageLPw(packageName); 12084 } 12085 if (updatedSettings) { 12086 mSettings.setInstallerPackageName(packageName, 12087 oldPkgSetting.installerPackageName); 12088 } 12089 mSettings.writeLPr(); 12090 } 12091 } 12092 } 12093 12094 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12095 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12096 UserHandle user) { 12097 String pkgName = newPackage.packageName; 12098 synchronized (mPackages) { 12099 //write settings. the installStatus will be incomplete at this stage. 12100 //note that the new package setting would have already been 12101 //added to mPackages. It hasn't been persisted yet. 12102 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12103 mSettings.writeLPr(); 12104 } 12105 12106 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12107 12108 synchronized (mPackages) { 12109 updatePermissionsLPw(newPackage.packageName, newPackage, 12110 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12111 ? UPDATE_PERMISSIONS_ALL : 0)); 12112 // For system-bundled packages, we assume that installing an upgraded version 12113 // of the package implies that the user actually wants to run that new code, 12114 // so we enable the package. 12115 PackageSetting ps = mSettings.mPackages.get(pkgName); 12116 if (ps != null) { 12117 if (isSystemApp(newPackage)) { 12118 // NB: implicit assumption that system package upgrades apply to all users 12119 if (DEBUG_INSTALL) { 12120 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12121 } 12122 if (res.origUsers != null) { 12123 for (int userHandle : res.origUsers) { 12124 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12125 userHandle, installerPackageName); 12126 } 12127 } 12128 // Also convey the prior install/uninstall state 12129 if (allUsers != null && perUserInstalled != null) { 12130 for (int i = 0; i < allUsers.length; i++) { 12131 if (DEBUG_INSTALL) { 12132 Slog.d(TAG, " user " + allUsers[i] 12133 + " => " + perUserInstalled[i]); 12134 } 12135 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12136 } 12137 // these install state changes will be persisted in the 12138 // upcoming call to mSettings.writeLPr(). 12139 } 12140 } 12141 // It's implied that when a user requests installation, they want the app to be 12142 // installed and enabled. 12143 int userId = user.getIdentifier(); 12144 if (userId != UserHandle.USER_ALL) { 12145 ps.setInstalled(true, userId); 12146 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12147 } 12148 } 12149 res.name = pkgName; 12150 res.uid = newPackage.applicationInfo.uid; 12151 res.pkg = newPackage; 12152 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12153 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12154 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12155 //to update install status 12156 mSettings.writeLPr(); 12157 } 12158 } 12159 12160 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12161 final int installFlags = args.installFlags; 12162 final String installerPackageName = args.installerPackageName; 12163 final String volumeUuid = args.volumeUuid; 12164 final File tmpPackageFile = new File(args.getCodePath()); 12165 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12166 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12167 || (args.volumeUuid != null)); 12168 boolean replace = false; 12169 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12170 if (args.move != null) { 12171 // moving a complete application; perfom an initial scan on the new install location 12172 scanFlags |= SCAN_INITIAL; 12173 } 12174 // Result object to be returned 12175 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12176 12177 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12178 // Retrieve PackageSettings and parse package 12179 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12180 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12181 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12182 PackageParser pp = new PackageParser(); 12183 pp.setSeparateProcesses(mSeparateProcesses); 12184 pp.setDisplayMetrics(mMetrics); 12185 12186 final PackageParser.Package pkg; 12187 try { 12188 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12189 } catch (PackageParserException e) { 12190 res.setError("Failed parse during installPackageLI", e); 12191 return; 12192 } 12193 12194 // Mark that we have an install time CPU ABI override. 12195 pkg.cpuAbiOverride = args.abiOverride; 12196 12197 String pkgName = res.name = pkg.packageName; 12198 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12199 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12200 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12201 return; 12202 } 12203 } 12204 12205 try { 12206 pp.collectCertificates(pkg, parseFlags); 12207 pp.collectManifestDigest(pkg); 12208 } catch (PackageParserException e) { 12209 res.setError("Failed collect during installPackageLI", e); 12210 return; 12211 } 12212 12213 /* If the installer passed in a manifest digest, compare it now. */ 12214 if (args.manifestDigest != null) { 12215 if (DEBUG_INSTALL) { 12216 final String parsedManifest = pkg.manifestDigest == null ? "null" 12217 : pkg.manifestDigest.toString(); 12218 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 12219 + parsedManifest); 12220 } 12221 12222 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 12223 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 12224 return; 12225 } 12226 } else if (DEBUG_INSTALL) { 12227 final String parsedManifest = pkg.manifestDigest == null 12228 ? "null" : pkg.manifestDigest.toString(); 12229 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 12230 } 12231 12232 // Get rid of all references to package scan path via parser. 12233 pp = null; 12234 String oldCodePath = null; 12235 boolean systemApp = false; 12236 synchronized (mPackages) { 12237 // Check if installing already existing package 12238 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12239 String oldName = mSettings.mRenamedPackages.get(pkgName); 12240 if (pkg.mOriginalPackages != null 12241 && pkg.mOriginalPackages.contains(oldName) 12242 && mPackages.containsKey(oldName)) { 12243 // This package is derived from an original package, 12244 // and this device has been updating from that original 12245 // name. We must continue using the original name, so 12246 // rename the new package here. 12247 pkg.setPackageName(oldName); 12248 pkgName = pkg.packageName; 12249 replace = true; 12250 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12251 + oldName + " pkgName=" + pkgName); 12252 } else if (mPackages.containsKey(pkgName)) { 12253 // This package, under its official name, already exists 12254 // on the device; we should replace it. 12255 replace = true; 12256 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12257 } 12258 12259 // Prevent apps opting out from runtime permissions 12260 if (replace) { 12261 PackageParser.Package oldPackage = mPackages.get(pkgName); 12262 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12263 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12264 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12265 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12266 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12267 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12268 + " doesn't support runtime permissions but the old" 12269 + " target SDK " + oldTargetSdk + " does."); 12270 return; 12271 } 12272 } 12273 } 12274 12275 PackageSetting ps = mSettings.mPackages.get(pkgName); 12276 if (ps != null) { 12277 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12278 12279 // Quick sanity check that we're signed correctly if updating; 12280 // we'll check this again later when scanning, but we want to 12281 // bail early here before tripping over redefined permissions. 12282 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12283 if (!checkUpgradeKeySetLP(ps, pkg)) { 12284 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12285 + pkg.packageName + " upgrade keys do not match the " 12286 + "previously installed version"); 12287 return; 12288 } 12289 } else { 12290 try { 12291 verifySignaturesLP(ps, pkg); 12292 } catch (PackageManagerException e) { 12293 res.setError(e.error, e.getMessage()); 12294 return; 12295 } 12296 } 12297 12298 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12299 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12300 systemApp = (ps.pkg.applicationInfo.flags & 12301 ApplicationInfo.FLAG_SYSTEM) != 0; 12302 } 12303 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12304 } 12305 12306 // Check whether the newly-scanned package wants to define an already-defined perm 12307 int N = pkg.permissions.size(); 12308 for (int i = N-1; i >= 0; i--) { 12309 PackageParser.Permission perm = pkg.permissions.get(i); 12310 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12311 if (bp != null) { 12312 // If the defining package is signed with our cert, it's okay. This 12313 // also includes the "updating the same package" case, of course. 12314 // "updating same package" could also involve key-rotation. 12315 final boolean sigsOk; 12316 if (bp.sourcePackage.equals(pkg.packageName) 12317 && (bp.packageSetting instanceof PackageSetting) 12318 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12319 scanFlags))) { 12320 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12321 } else { 12322 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12323 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12324 } 12325 if (!sigsOk) { 12326 // If the owning package is the system itself, we log but allow 12327 // install to proceed; we fail the install on all other permission 12328 // redefinitions. 12329 if (!bp.sourcePackage.equals("android")) { 12330 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12331 + pkg.packageName + " attempting to redeclare permission " 12332 + perm.info.name + " already owned by " + bp.sourcePackage); 12333 res.origPermission = perm.info.name; 12334 res.origPackage = bp.sourcePackage; 12335 return; 12336 } else { 12337 Slog.w(TAG, "Package " + pkg.packageName 12338 + " attempting to redeclare system permission " 12339 + perm.info.name + "; ignoring new declaration"); 12340 pkg.permissions.remove(i); 12341 } 12342 } 12343 } 12344 } 12345 12346 } 12347 12348 if (systemApp && onExternal) { 12349 // Disable updates to system apps on sdcard 12350 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12351 "Cannot install updates to system apps on sdcard"); 12352 return; 12353 } 12354 12355 if (args.move != null) { 12356 // We did an in-place move, so dex is ready to roll 12357 scanFlags |= SCAN_NO_DEX; 12358 scanFlags |= SCAN_MOVE; 12359 12360 synchronized (mPackages) { 12361 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12362 if (ps == null) { 12363 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12364 "Missing settings for moved package " + pkgName); 12365 } 12366 12367 // We moved the entire application as-is, so bring over the 12368 // previously derived ABI information. 12369 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12370 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12371 } 12372 12373 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12374 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12375 scanFlags |= SCAN_NO_DEX; 12376 12377 try { 12378 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12379 true /* extract libs */); 12380 } catch (PackageManagerException pme) { 12381 Slog.e(TAG, "Error deriving application ABI", pme); 12382 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12383 return; 12384 } 12385 12386 // Run dexopt before old package gets removed, to minimize time when app is unavailable 12387 int result = mPackageDexOptimizer 12388 .performDexOpt(pkg, null /* instruction sets */, false /* forceDex */, 12389 false /* defer */, false /* inclDependencies */, 12390 true /* boot complete */); 12391 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 12392 res.setError(INSTALL_FAILED_DEXOPT, "Dexopt failed for " + pkg.codePath); 12393 return; 12394 } 12395 } 12396 12397 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12398 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12399 return; 12400 } 12401 12402 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12403 12404 if (replace) { 12405 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12406 installerPackageName, volumeUuid, res); 12407 } else { 12408 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12409 args.user, installerPackageName, volumeUuid, res); 12410 } 12411 synchronized (mPackages) { 12412 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12413 if (ps != null) { 12414 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12415 } 12416 } 12417 } 12418 12419 private void startIntentFilterVerifications(int userId, boolean replacing, 12420 PackageParser.Package pkg) { 12421 if (mIntentFilterVerifierComponent == null) { 12422 Slog.w(TAG, "No IntentFilter verification will not be done as " 12423 + "there is no IntentFilterVerifier available!"); 12424 return; 12425 } 12426 12427 final int verifierUid = getPackageUid( 12428 mIntentFilterVerifierComponent.getPackageName(), 12429 (userId == UserHandle.USER_ALL) ? UserHandle.USER_OWNER : userId); 12430 12431 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12432 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12433 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12434 mHandler.sendMessage(msg); 12435 } 12436 12437 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12438 PackageParser.Package pkg) { 12439 int size = pkg.activities.size(); 12440 if (size == 0) { 12441 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12442 "No activity, so no need to verify any IntentFilter!"); 12443 return; 12444 } 12445 12446 final boolean hasDomainURLs = hasDomainURLs(pkg); 12447 if (!hasDomainURLs) { 12448 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12449 "No domain URLs, so no need to verify any IntentFilter!"); 12450 return; 12451 } 12452 12453 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12454 + " if any IntentFilter from the " + size 12455 + " Activities needs verification ..."); 12456 12457 int count = 0; 12458 final String packageName = pkg.packageName; 12459 12460 synchronized (mPackages) { 12461 // If this is a new install and we see that we've already run verification for this 12462 // package, we have nothing to do: it means the state was restored from backup. 12463 if (!replacing) { 12464 IntentFilterVerificationInfo ivi = 12465 mSettings.getIntentFilterVerificationLPr(packageName); 12466 if (ivi != null) { 12467 if (DEBUG_DOMAIN_VERIFICATION) { 12468 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 12469 + ivi.getStatusString()); 12470 } 12471 return; 12472 } 12473 } 12474 12475 // If any filters need to be verified, then all need to be. 12476 boolean needToVerify = false; 12477 for (PackageParser.Activity a : pkg.activities) { 12478 for (ActivityIntentInfo filter : a.intents) { 12479 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 12480 if (DEBUG_DOMAIN_VERIFICATION) { 12481 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 12482 } 12483 needToVerify = true; 12484 break; 12485 } 12486 } 12487 } 12488 12489 if (needToVerify) { 12490 final int verificationId = mIntentFilterVerificationToken++; 12491 for (PackageParser.Activity a : pkg.activities) { 12492 for (ActivityIntentInfo filter : a.intents) { 12493 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 12494 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12495 "Verification needed for IntentFilter:" + filter.toString()); 12496 mIntentFilterVerifier.addOneIntentFilterVerification( 12497 verifierUid, userId, verificationId, filter, packageName); 12498 count++; 12499 } 12500 } 12501 } 12502 } 12503 } 12504 12505 if (count > 0) { 12506 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 12507 + " IntentFilter verification" + (count > 1 ? "s" : "") 12508 + " for userId:" + userId); 12509 mIntentFilterVerifier.startVerifications(userId); 12510 } else { 12511 if (DEBUG_DOMAIN_VERIFICATION) { 12512 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 12513 } 12514 } 12515 } 12516 12517 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 12518 final ComponentName cn = filter.activity.getComponentName(); 12519 final String packageName = cn.getPackageName(); 12520 12521 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 12522 packageName); 12523 if (ivi == null) { 12524 return true; 12525 } 12526 int status = ivi.getStatus(); 12527 switch (status) { 12528 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 12529 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 12530 return true; 12531 12532 default: 12533 // Nothing to do 12534 return false; 12535 } 12536 } 12537 12538 private static boolean isMultiArch(PackageSetting ps) { 12539 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12540 } 12541 12542 private static boolean isMultiArch(ApplicationInfo info) { 12543 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 12544 } 12545 12546 private static boolean isExternal(PackageParser.Package pkg) { 12547 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12548 } 12549 12550 private static boolean isExternal(PackageSetting ps) { 12551 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12552 } 12553 12554 private static boolean isExternal(ApplicationInfo info) { 12555 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 12556 } 12557 12558 private static boolean isSystemApp(PackageParser.Package pkg) { 12559 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 12560 } 12561 12562 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 12563 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 12564 } 12565 12566 private static boolean hasDomainURLs(PackageParser.Package pkg) { 12567 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 12568 } 12569 12570 private static boolean isSystemApp(PackageSetting ps) { 12571 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 12572 } 12573 12574 private static boolean isUpdatedSystemApp(PackageSetting ps) { 12575 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 12576 } 12577 12578 private int packageFlagsToInstallFlags(PackageSetting ps) { 12579 int installFlags = 0; 12580 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 12581 // This existing package was an external ASEC install when we have 12582 // the external flag without a UUID 12583 installFlags |= PackageManager.INSTALL_EXTERNAL; 12584 } 12585 if (ps.isForwardLocked()) { 12586 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12587 } 12588 return installFlags; 12589 } 12590 12591 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 12592 if (isExternal(pkg)) { 12593 if (TextUtils.isEmpty(pkg.volumeUuid)) { 12594 return mSettings.getExternalVersion(); 12595 } else { 12596 return mSettings.findOrCreateVersion(pkg.volumeUuid); 12597 } 12598 } else { 12599 return mSettings.getInternalVersion(); 12600 } 12601 } 12602 12603 private void deleteTempPackageFiles() { 12604 final FilenameFilter filter = new FilenameFilter() { 12605 public boolean accept(File dir, String name) { 12606 return name.startsWith("vmdl") && name.endsWith(".tmp"); 12607 } 12608 }; 12609 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 12610 file.delete(); 12611 } 12612 } 12613 12614 @Override 12615 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 12616 int flags) { 12617 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 12618 flags); 12619 } 12620 12621 @Override 12622 public void deletePackage(final String packageName, 12623 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 12624 mContext.enforceCallingOrSelfPermission( 12625 android.Manifest.permission.DELETE_PACKAGES, null); 12626 Preconditions.checkNotNull(packageName); 12627 Preconditions.checkNotNull(observer); 12628 final int uid = Binder.getCallingUid(); 12629 if (UserHandle.getUserId(uid) != userId) { 12630 mContext.enforceCallingPermission( 12631 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 12632 "deletePackage for user " + userId); 12633 } 12634 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 12635 try { 12636 observer.onPackageDeleted(packageName, 12637 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 12638 } catch (RemoteException re) { 12639 } 12640 return; 12641 } 12642 12643 boolean uninstallBlocked = false; 12644 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 12645 int[] users = sUserManager.getUserIds(); 12646 for (int i = 0; i < users.length; ++i) { 12647 if (getBlockUninstallForUser(packageName, users[i])) { 12648 uninstallBlocked = true; 12649 break; 12650 } 12651 } 12652 } else { 12653 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 12654 } 12655 if (uninstallBlocked) { 12656 try { 12657 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 12658 null); 12659 } catch (RemoteException re) { 12660 } 12661 return; 12662 } 12663 12664 if (DEBUG_REMOVE) { 12665 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 12666 } 12667 // Queue up an async operation since the package deletion may take a little while. 12668 mHandler.post(new Runnable() { 12669 public void run() { 12670 mHandler.removeCallbacks(this); 12671 final int returnCode = deletePackageX(packageName, userId, flags); 12672 if (observer != null) { 12673 try { 12674 observer.onPackageDeleted(packageName, returnCode, null); 12675 } catch (RemoteException e) { 12676 Log.i(TAG, "Observer no longer exists."); 12677 } //end catch 12678 } //end if 12679 } //end run 12680 }); 12681 } 12682 12683 private boolean isPackageDeviceAdmin(String packageName, int userId) { 12684 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12685 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12686 try { 12687 if (dpm != null) { 12688 if (dpm.isDeviceOwner(packageName)) { 12689 return true; 12690 } 12691 int[] users; 12692 if (userId == UserHandle.USER_ALL) { 12693 users = sUserManager.getUserIds(); 12694 } else { 12695 users = new int[]{userId}; 12696 } 12697 for (int i = 0; i < users.length; ++i) { 12698 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 12699 return true; 12700 } 12701 } 12702 } 12703 } catch (RemoteException e) { 12704 } 12705 return false; 12706 } 12707 12708 /** 12709 * This method is an internal method that could be get invoked either 12710 * to delete an installed package or to clean up a failed installation. 12711 * After deleting an installed package, a broadcast is sent to notify any 12712 * listeners that the package has been installed. For cleaning up a failed 12713 * installation, the broadcast is not necessary since the package's 12714 * installation wouldn't have sent the initial broadcast either 12715 * The key steps in deleting a package are 12716 * deleting the package information in internal structures like mPackages, 12717 * deleting the packages base directories through installd 12718 * updating mSettings to reflect current status 12719 * persisting settings for later use 12720 * sending a broadcast if necessary 12721 */ 12722 private int deletePackageX(String packageName, int userId, int flags) { 12723 final PackageRemovedInfo info = new PackageRemovedInfo(); 12724 final boolean res; 12725 12726 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 12727 ? UserHandle.ALL : new UserHandle(userId); 12728 12729 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 12730 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 12731 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 12732 } 12733 12734 boolean removedForAllUsers = false; 12735 boolean systemUpdate = false; 12736 12737 // for the uninstall-updates case and restricted profiles, remember the per- 12738 // userhandle installed state 12739 int[] allUsers; 12740 boolean[] perUserInstalled; 12741 synchronized (mPackages) { 12742 PackageSetting ps = mSettings.mPackages.get(packageName); 12743 allUsers = sUserManager.getUserIds(); 12744 perUserInstalled = new boolean[allUsers.length]; 12745 for (int i = 0; i < allUsers.length; i++) { 12746 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12747 } 12748 } 12749 12750 synchronized (mInstallLock) { 12751 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 12752 res = deletePackageLI(packageName, removeForUser, 12753 true, allUsers, perUserInstalled, 12754 flags | REMOVE_CHATTY, info, true); 12755 systemUpdate = info.isRemovedPackageSystemUpdate; 12756 if (res && !systemUpdate && mPackages.get(packageName) == null) { 12757 removedForAllUsers = true; 12758 } 12759 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 12760 + " removedForAllUsers=" + removedForAllUsers); 12761 } 12762 12763 if (res) { 12764 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 12765 12766 // If the removed package was a system update, the old system package 12767 // was re-enabled; we need to broadcast this information 12768 if (systemUpdate) { 12769 Bundle extras = new Bundle(1); 12770 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 12771 ? info.removedAppId : info.uid); 12772 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12773 12774 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 12775 extras, null, null, null); 12776 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 12777 extras, null, null, null); 12778 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 12779 null, packageName, null, null); 12780 } 12781 } 12782 // Force a gc here. 12783 Runtime.getRuntime().gc(); 12784 // Delete the resources here after sending the broadcast to let 12785 // other processes clean up before deleting resources. 12786 if (info.args != null) { 12787 synchronized (mInstallLock) { 12788 info.args.doPostDeleteLI(true); 12789 } 12790 } 12791 12792 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 12793 } 12794 12795 class PackageRemovedInfo { 12796 String removedPackage; 12797 int uid = -1; 12798 int removedAppId = -1; 12799 int[] removedUsers = null; 12800 boolean isRemovedPackageSystemUpdate = false; 12801 // Clean up resources deleted packages. 12802 InstallArgs args = null; 12803 12804 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 12805 Bundle extras = new Bundle(1); 12806 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 12807 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 12808 if (replacing) { 12809 extras.putBoolean(Intent.EXTRA_REPLACING, true); 12810 } 12811 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 12812 if (removedPackage != null) { 12813 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 12814 extras, null, null, removedUsers); 12815 if (fullRemove && !replacing) { 12816 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 12817 extras, null, null, removedUsers); 12818 } 12819 } 12820 if (removedAppId >= 0) { 12821 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 12822 removedUsers); 12823 } 12824 } 12825 } 12826 12827 /* 12828 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 12829 * flag is not set, the data directory is removed as well. 12830 * make sure this flag is set for partially installed apps. If not its meaningless to 12831 * delete a partially installed application. 12832 */ 12833 private void removePackageDataLI(PackageSetting ps, 12834 int[] allUserHandles, boolean[] perUserInstalled, 12835 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 12836 String packageName = ps.name; 12837 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 12838 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 12839 // Retrieve object to delete permissions for shared user later on 12840 final PackageSetting deletedPs; 12841 // reader 12842 synchronized (mPackages) { 12843 deletedPs = mSettings.mPackages.get(packageName); 12844 if (outInfo != null) { 12845 outInfo.removedPackage = packageName; 12846 outInfo.removedUsers = deletedPs != null 12847 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 12848 : null; 12849 } 12850 } 12851 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12852 removeDataDirsLI(ps.volumeUuid, packageName); 12853 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 12854 } 12855 // writer 12856 synchronized (mPackages) { 12857 if (deletedPs != null) { 12858 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 12859 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 12860 clearDefaultBrowserIfNeeded(packageName); 12861 if (outInfo != null) { 12862 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 12863 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 12864 } 12865 updatePermissionsLPw(deletedPs.name, null, 0); 12866 if (deletedPs.sharedUser != null) { 12867 // Remove permissions associated with package. Since runtime 12868 // permissions are per user we have to kill the removed package 12869 // or packages running under the shared user of the removed 12870 // package if revoking the permissions requested only by the removed 12871 // package is successful and this causes a change in gids. 12872 for (int userId : UserManagerService.getInstance().getUserIds()) { 12873 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 12874 userId); 12875 if (userIdToKill == UserHandle.USER_ALL 12876 || userIdToKill >= UserHandle.USER_OWNER) { 12877 // If gids changed for this user, kill all affected packages. 12878 mHandler.post(new Runnable() { 12879 @Override 12880 public void run() { 12881 // This has to happen with no lock held. 12882 killApplication(deletedPs.name, deletedPs.appId, 12883 KILL_APP_REASON_GIDS_CHANGED); 12884 } 12885 }); 12886 break; 12887 } 12888 } 12889 } 12890 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 12891 } 12892 // make sure to preserve per-user disabled state if this removal was just 12893 // a downgrade of a system app to the factory package 12894 if (allUserHandles != null && perUserInstalled != null) { 12895 if (DEBUG_REMOVE) { 12896 Slog.d(TAG, "Propagating install state across downgrade"); 12897 } 12898 for (int i = 0; i < allUserHandles.length; i++) { 12899 if (DEBUG_REMOVE) { 12900 Slog.d(TAG, " user " + allUserHandles[i] 12901 + " => " + perUserInstalled[i]); 12902 } 12903 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 12904 } 12905 } 12906 } 12907 // can downgrade to reader 12908 if (writeSettings) { 12909 // Save settings now 12910 mSettings.writeLPr(); 12911 } 12912 } 12913 if (outInfo != null) { 12914 // A user ID was deleted here. Go through all users and remove it 12915 // from KeyStore. 12916 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 12917 } 12918 } 12919 12920 static boolean locationIsPrivileged(File path) { 12921 try { 12922 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 12923 .getCanonicalPath(); 12924 return path.getCanonicalPath().startsWith(privilegedAppDir); 12925 } catch (IOException e) { 12926 Slog.e(TAG, "Unable to access code path " + path); 12927 } 12928 return false; 12929 } 12930 12931 /* 12932 * Tries to delete system package. 12933 */ 12934 private boolean deleteSystemPackageLI(PackageSetting newPs, 12935 int[] allUserHandles, boolean[] perUserInstalled, 12936 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 12937 final boolean applyUserRestrictions 12938 = (allUserHandles != null) && (perUserInstalled != null); 12939 PackageSetting disabledPs = null; 12940 // Confirm if the system package has been updated 12941 // An updated system app can be deleted. This will also have to restore 12942 // the system pkg from system partition 12943 // reader 12944 synchronized (mPackages) { 12945 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 12946 } 12947 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 12948 + " disabledPs=" + disabledPs); 12949 if (disabledPs == null) { 12950 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 12951 return false; 12952 } else if (DEBUG_REMOVE) { 12953 Slog.d(TAG, "Deleting system pkg from data partition"); 12954 } 12955 if (DEBUG_REMOVE) { 12956 if (applyUserRestrictions) { 12957 Slog.d(TAG, "Remembering install states:"); 12958 for (int i = 0; i < allUserHandles.length; i++) { 12959 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 12960 } 12961 } 12962 } 12963 // Delete the updated package 12964 outInfo.isRemovedPackageSystemUpdate = true; 12965 if (disabledPs.versionCode < newPs.versionCode) { 12966 // Delete data for downgrades 12967 flags &= ~PackageManager.DELETE_KEEP_DATA; 12968 } else { 12969 // Preserve data by setting flag 12970 flags |= PackageManager.DELETE_KEEP_DATA; 12971 } 12972 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 12973 allUserHandles, perUserInstalled, outInfo, writeSettings); 12974 if (!ret) { 12975 return false; 12976 } 12977 // writer 12978 synchronized (mPackages) { 12979 // Reinstate the old system package 12980 mSettings.enableSystemPackageLPw(newPs.name); 12981 // Remove any native libraries from the upgraded package. 12982 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 12983 } 12984 // Install the system package 12985 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 12986 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 12987 if (locationIsPrivileged(disabledPs.codePath)) { 12988 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12989 } 12990 12991 final PackageParser.Package newPkg; 12992 try { 12993 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 12994 } catch (PackageManagerException e) { 12995 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 12996 return false; 12997 } 12998 12999 // writer 13000 synchronized (mPackages) { 13001 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13002 13003 // Propagate the permissions state as we do not want to drop on the floor 13004 // runtime permissions. The update permissions method below will take 13005 // care of removing obsolete permissions and grant install permissions. 13006 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13007 updatePermissionsLPw(newPkg.packageName, newPkg, 13008 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13009 13010 if (applyUserRestrictions) { 13011 if (DEBUG_REMOVE) { 13012 Slog.d(TAG, "Propagating install state across reinstall"); 13013 } 13014 for (int i = 0; i < allUserHandles.length; i++) { 13015 if (DEBUG_REMOVE) { 13016 Slog.d(TAG, " user " + allUserHandles[i] 13017 + " => " + perUserInstalled[i]); 13018 } 13019 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13020 13021 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13022 } 13023 // Regardless of writeSettings we need to ensure that this restriction 13024 // state propagation is persisted 13025 mSettings.writeAllUsersPackageRestrictionsLPr(); 13026 } 13027 // can downgrade to reader here 13028 if (writeSettings) { 13029 mSettings.writeLPr(); 13030 } 13031 } 13032 return true; 13033 } 13034 13035 private boolean deleteInstalledPackageLI(PackageSetting ps, 13036 boolean deleteCodeAndResources, int flags, 13037 int[] allUserHandles, boolean[] perUserInstalled, 13038 PackageRemovedInfo outInfo, boolean writeSettings) { 13039 if (outInfo != null) { 13040 outInfo.uid = ps.appId; 13041 } 13042 13043 // Delete package data from internal structures and also remove data if flag is set 13044 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13045 13046 // Delete application code and resources 13047 if (deleteCodeAndResources && (outInfo != null)) { 13048 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13049 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13050 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13051 } 13052 return true; 13053 } 13054 13055 @Override 13056 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13057 int userId) { 13058 mContext.enforceCallingOrSelfPermission( 13059 android.Manifest.permission.DELETE_PACKAGES, null); 13060 synchronized (mPackages) { 13061 PackageSetting ps = mSettings.mPackages.get(packageName); 13062 if (ps == null) { 13063 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13064 return false; 13065 } 13066 if (!ps.getInstalled(userId)) { 13067 // Can't block uninstall for an app that is not installed or enabled. 13068 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13069 return false; 13070 } 13071 ps.setBlockUninstall(blockUninstall, userId); 13072 mSettings.writePackageRestrictionsLPr(userId); 13073 } 13074 return true; 13075 } 13076 13077 @Override 13078 public boolean getBlockUninstallForUser(String packageName, int userId) { 13079 synchronized (mPackages) { 13080 PackageSetting ps = mSettings.mPackages.get(packageName); 13081 if (ps == null) { 13082 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13083 return false; 13084 } 13085 return ps.getBlockUninstall(userId); 13086 } 13087 } 13088 13089 /* 13090 * This method handles package deletion in general 13091 */ 13092 private boolean deletePackageLI(String packageName, UserHandle user, 13093 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13094 int flags, PackageRemovedInfo outInfo, 13095 boolean writeSettings) { 13096 if (packageName == null) { 13097 Slog.w(TAG, "Attempt to delete null packageName."); 13098 return false; 13099 } 13100 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13101 PackageSetting ps; 13102 boolean dataOnly = false; 13103 int removeUser = -1; 13104 int appId = -1; 13105 synchronized (mPackages) { 13106 ps = mSettings.mPackages.get(packageName); 13107 if (ps == null) { 13108 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13109 return false; 13110 } 13111 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13112 && user.getIdentifier() != UserHandle.USER_ALL) { 13113 // The caller is asking that the package only be deleted for a single 13114 // user. To do this, we just mark its uninstalled state and delete 13115 // its data. If this is a system app, we only allow this to happen if 13116 // they have set the special DELETE_SYSTEM_APP which requests different 13117 // semantics than normal for uninstalling system apps. 13118 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13119 final int userId = user.getIdentifier(); 13120 ps.setUserState(userId, 13121 COMPONENT_ENABLED_STATE_DEFAULT, 13122 false, //installed 13123 true, //stopped 13124 true, //notLaunched 13125 false, //hidden 13126 null, null, null, 13127 false, // blockUninstall 13128 ps.readUserState(userId).domainVerificationStatus, 0); 13129 if (!isSystemApp(ps)) { 13130 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 13131 // Other user 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, "Still installed by other users"); 13135 removeUser = user.getIdentifier(); 13136 appId = ps.appId; 13137 scheduleWritePackageRestrictionsLocked(removeUser); 13138 } else { 13139 // We need to set it back to 'installed' so the uninstall 13140 // broadcasts will be sent correctly. 13141 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13142 ps.setInstalled(true, user.getIdentifier()); 13143 } 13144 } else { 13145 // This is a system app, so we assume that the 13146 // other users still have this package installed, so all 13147 // we need to do is clear this user's data and save that 13148 // it is uninstalled. 13149 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13150 removeUser = user.getIdentifier(); 13151 appId = ps.appId; 13152 scheduleWritePackageRestrictionsLocked(removeUser); 13153 } 13154 } 13155 } 13156 13157 if (removeUser >= 0) { 13158 // From above, we determined that we are deleting this only 13159 // for a single user. Continue the work here. 13160 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13161 if (outInfo != null) { 13162 outInfo.removedPackage = packageName; 13163 outInfo.removedAppId = appId; 13164 outInfo.removedUsers = new int[] {removeUser}; 13165 } 13166 mInstaller.clearUserData(ps.volumeUuid, packageName, removeUser); 13167 removeKeystoreDataIfNeeded(removeUser, appId); 13168 schedulePackageCleaning(packageName, removeUser, false); 13169 synchronized (mPackages) { 13170 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13171 scheduleWritePackageRestrictionsLocked(removeUser); 13172 } 13173 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13174 } 13175 return true; 13176 } 13177 13178 if (dataOnly) { 13179 // Delete application data first 13180 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13181 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13182 return true; 13183 } 13184 13185 boolean ret = false; 13186 if (isSystemApp(ps)) { 13187 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 13188 // When an updated system application is deleted we delete the existing resources as well and 13189 // fall back to existing code in system partition 13190 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13191 flags, outInfo, writeSettings); 13192 } else { 13193 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 13194 // Kill application pre-emptively especially for apps on sd. 13195 killApplication(packageName, ps.appId, "uninstall pkg"); 13196 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13197 allUserHandles, perUserInstalled, 13198 outInfo, writeSettings); 13199 } 13200 13201 return ret; 13202 } 13203 13204 private final class ClearStorageConnection implements ServiceConnection { 13205 IMediaContainerService mContainerService; 13206 13207 @Override 13208 public void onServiceConnected(ComponentName name, IBinder service) { 13209 synchronized (this) { 13210 mContainerService = IMediaContainerService.Stub.asInterface(service); 13211 notifyAll(); 13212 } 13213 } 13214 13215 @Override 13216 public void onServiceDisconnected(ComponentName name) { 13217 } 13218 } 13219 13220 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13221 final boolean mounted; 13222 if (Environment.isExternalStorageEmulated()) { 13223 mounted = true; 13224 } else { 13225 final String status = Environment.getExternalStorageState(); 13226 13227 mounted = status.equals(Environment.MEDIA_MOUNTED) 13228 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13229 } 13230 13231 if (!mounted) { 13232 return; 13233 } 13234 13235 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13236 int[] users; 13237 if (userId == UserHandle.USER_ALL) { 13238 users = sUserManager.getUserIds(); 13239 } else { 13240 users = new int[] { userId }; 13241 } 13242 final ClearStorageConnection conn = new ClearStorageConnection(); 13243 if (mContext.bindServiceAsUser( 13244 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 13245 try { 13246 for (int curUser : users) { 13247 long timeout = SystemClock.uptimeMillis() + 5000; 13248 synchronized (conn) { 13249 long now = SystemClock.uptimeMillis(); 13250 while (conn.mContainerService == null && now < timeout) { 13251 try { 13252 conn.wait(timeout - now); 13253 } catch (InterruptedException e) { 13254 } 13255 } 13256 } 13257 if (conn.mContainerService == null) { 13258 return; 13259 } 13260 13261 final UserEnvironment userEnv = new UserEnvironment(curUser); 13262 clearDirectory(conn.mContainerService, 13263 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13264 if (allData) { 13265 clearDirectory(conn.mContainerService, 13266 userEnv.buildExternalStorageAppDataDirs(packageName)); 13267 clearDirectory(conn.mContainerService, 13268 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13269 } 13270 } 13271 } finally { 13272 mContext.unbindService(conn); 13273 } 13274 } 13275 } 13276 13277 @Override 13278 public void clearApplicationUserData(final String packageName, 13279 final IPackageDataObserver observer, final int userId) { 13280 mContext.enforceCallingOrSelfPermission( 13281 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13282 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13283 // Queue up an async operation since the package deletion may take a little while. 13284 mHandler.post(new Runnable() { 13285 public void run() { 13286 mHandler.removeCallbacks(this); 13287 final boolean succeeded; 13288 synchronized (mInstallLock) { 13289 succeeded = clearApplicationUserDataLI(packageName, userId); 13290 } 13291 clearExternalStorageDataSync(packageName, userId, true); 13292 if (succeeded) { 13293 // invoke DeviceStorageMonitor's update method to clear any notifications 13294 DeviceStorageMonitorInternal 13295 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13296 if (dsm != null) { 13297 dsm.checkMemory(); 13298 } 13299 } 13300 if(observer != null) { 13301 try { 13302 observer.onRemoveCompleted(packageName, succeeded); 13303 } catch (RemoteException e) { 13304 Log.i(TAG, "Observer no longer exists."); 13305 } 13306 } //end if observer 13307 } //end run 13308 }); 13309 } 13310 13311 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13312 if (packageName == null) { 13313 Slog.w(TAG, "Attempt to delete null packageName."); 13314 return false; 13315 } 13316 13317 // Try finding details about the requested package 13318 PackageParser.Package pkg; 13319 synchronized (mPackages) { 13320 pkg = mPackages.get(packageName); 13321 if (pkg == null) { 13322 final PackageSetting ps = mSettings.mPackages.get(packageName); 13323 if (ps != null) { 13324 pkg = ps.pkg; 13325 } 13326 } 13327 13328 if (pkg == null) { 13329 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13330 return false; 13331 } 13332 13333 PackageSetting ps = (PackageSetting) pkg.mExtras; 13334 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13335 } 13336 13337 // Always delete data directories for package, even if we found no other 13338 // record of app. This helps users recover from UID mismatches without 13339 // resorting to a full data wipe. 13340 int retCode = mInstaller.clearUserData(pkg.volumeUuid, packageName, userId); 13341 if (retCode < 0) { 13342 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 13343 return false; 13344 } 13345 13346 final int appId = pkg.applicationInfo.uid; 13347 removeKeystoreDataIfNeeded(userId, appId); 13348 13349 // Create a native library symlink only if we have native libraries 13350 // and if the native libraries are 32 bit libraries. We do not provide 13351 // this symlink for 64 bit libraries. 13352 if (pkg.applicationInfo.primaryCpuAbi != null && 13353 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13354 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13355 if (mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13356 nativeLibPath, userId) < 0) { 13357 Slog.w(TAG, "Failed linking native library dir"); 13358 return false; 13359 } 13360 } 13361 13362 return true; 13363 } 13364 13365 /** 13366 * Reverts user permission state changes (permissions and flags) in 13367 * all packages for a given user. 13368 * 13369 * @param userId The device user for which to do a reset. 13370 */ 13371 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13372 final int packageCount = mPackages.size(); 13373 for (int i = 0; i < packageCount; i++) { 13374 PackageParser.Package pkg = mPackages.valueAt(i); 13375 PackageSetting ps = (PackageSetting) pkg.mExtras; 13376 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13377 } 13378 } 13379 13380 /** 13381 * Reverts user permission state changes (permissions and flags). 13382 * 13383 * @param ps The package for which to reset. 13384 * @param userId The device user for which to do a reset. 13385 */ 13386 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13387 final PackageSetting ps, final int userId) { 13388 if (ps.pkg == null) { 13389 return; 13390 } 13391 13392 final int userSettableFlags = FLAG_PERMISSION_USER_SET 13393 | FLAG_PERMISSION_USER_FIXED 13394 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 13395 13396 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 13397 | FLAG_PERMISSION_POLICY_FIXED; 13398 13399 boolean writeInstallPermissions = false; 13400 boolean writeRuntimePermissions = false; 13401 13402 final int permissionCount = ps.pkg.requestedPermissions.size(); 13403 for (int i = 0; i < permissionCount; i++) { 13404 String permission = ps.pkg.requestedPermissions.get(i); 13405 13406 BasePermission bp = mSettings.mPermissions.get(permission); 13407 if (bp == null) { 13408 continue; 13409 } 13410 13411 // If shared user we just reset the state to which only this app contributed. 13412 if (ps.sharedUser != null) { 13413 boolean used = false; 13414 final int packageCount = ps.sharedUser.packages.size(); 13415 for (int j = 0; j < packageCount; j++) { 13416 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 13417 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 13418 && pkg.pkg.requestedPermissions.contains(permission)) { 13419 used = true; 13420 break; 13421 } 13422 } 13423 if (used) { 13424 continue; 13425 } 13426 } 13427 13428 PermissionsState permissionsState = ps.getPermissionsState(); 13429 13430 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 13431 13432 // Always clear the user settable flags. 13433 final boolean hasInstallState = permissionsState.getInstallPermissionState( 13434 bp.name) != null; 13435 if (permissionsState.updatePermissionFlags(bp, userId, userSettableFlags, 0)) { 13436 if (hasInstallState) { 13437 writeInstallPermissions = true; 13438 } else { 13439 writeRuntimePermissions = true; 13440 } 13441 } 13442 13443 // Below is only runtime permission handling. 13444 if (!bp.isRuntime()) { 13445 continue; 13446 } 13447 13448 // Never clobber system or policy. 13449 if ((oldFlags & policyOrSystemFlags) != 0) { 13450 continue; 13451 } 13452 13453 // If this permission was granted by default, make sure it is. 13454 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 13455 if (permissionsState.grantRuntimePermission(bp, userId) 13456 != PERMISSION_OPERATION_FAILURE) { 13457 writeRuntimePermissions = true; 13458 } 13459 } else { 13460 // Otherwise, reset the permission. 13461 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 13462 switch (revokeResult) { 13463 case PERMISSION_OPERATION_SUCCESS: { 13464 writeRuntimePermissions = true; 13465 } break; 13466 13467 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 13468 writeRuntimePermissions = true; 13469 final int appId = ps.appId; 13470 mHandler.post(new Runnable() { 13471 @Override 13472 public void run() { 13473 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 13474 } 13475 }); 13476 } break; 13477 } 13478 } 13479 } 13480 13481 // Synchronously write as we are taking permissions away. 13482 if (writeRuntimePermissions) { 13483 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 13484 } 13485 13486 // Synchronously write as we are taking permissions away. 13487 if (writeInstallPermissions) { 13488 mSettings.writeLPr(); 13489 } 13490 } 13491 13492 /** 13493 * Remove entries from the keystore daemon. Will only remove it if the 13494 * {@code appId} is valid. 13495 */ 13496 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 13497 if (appId < 0) { 13498 return; 13499 } 13500 13501 final KeyStore keyStore = KeyStore.getInstance(); 13502 if (keyStore != null) { 13503 if (userId == UserHandle.USER_ALL) { 13504 for (final int individual : sUserManager.getUserIds()) { 13505 keyStore.clearUid(UserHandle.getUid(individual, appId)); 13506 } 13507 } else { 13508 keyStore.clearUid(UserHandle.getUid(userId, appId)); 13509 } 13510 } else { 13511 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 13512 } 13513 } 13514 13515 @Override 13516 public void deleteApplicationCacheFiles(final String packageName, 13517 final IPackageDataObserver observer) { 13518 mContext.enforceCallingOrSelfPermission( 13519 android.Manifest.permission.DELETE_CACHE_FILES, null); 13520 // Queue up an async operation since the package deletion may take a little while. 13521 final int userId = UserHandle.getCallingUserId(); 13522 mHandler.post(new Runnable() { 13523 public void run() { 13524 mHandler.removeCallbacks(this); 13525 final boolean succeded; 13526 synchronized (mInstallLock) { 13527 succeded = deleteApplicationCacheFilesLI(packageName, userId); 13528 } 13529 clearExternalStorageDataSync(packageName, userId, false); 13530 if (observer != null) { 13531 try { 13532 observer.onRemoveCompleted(packageName, succeded); 13533 } catch (RemoteException e) { 13534 Log.i(TAG, "Observer no longer exists."); 13535 } 13536 } //end if observer 13537 } //end run 13538 }); 13539 } 13540 13541 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 13542 if (packageName == null) { 13543 Slog.w(TAG, "Attempt to delete null packageName."); 13544 return false; 13545 } 13546 PackageParser.Package p; 13547 synchronized (mPackages) { 13548 p = mPackages.get(packageName); 13549 } 13550 if (p == null) { 13551 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13552 return false; 13553 } 13554 final ApplicationInfo applicationInfo = p.applicationInfo; 13555 if (applicationInfo == null) { 13556 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13557 return false; 13558 } 13559 int retCode = mInstaller.deleteCacheFiles(p.volumeUuid, packageName, userId); 13560 if (retCode < 0) { 13561 Slog.w(TAG, "Couldn't remove cache files for package: " 13562 + packageName + " u" + userId); 13563 return false; 13564 } 13565 return true; 13566 } 13567 13568 @Override 13569 public void getPackageSizeInfo(final String packageName, int userHandle, 13570 final IPackageStatsObserver observer) { 13571 mContext.enforceCallingOrSelfPermission( 13572 android.Manifest.permission.GET_PACKAGE_SIZE, null); 13573 if (packageName == null) { 13574 throw new IllegalArgumentException("Attempt to get size of null packageName"); 13575 } 13576 13577 PackageStats stats = new PackageStats(packageName, userHandle); 13578 13579 /* 13580 * Queue up an async operation since the package measurement may take a 13581 * little while. 13582 */ 13583 Message msg = mHandler.obtainMessage(INIT_COPY); 13584 msg.obj = new MeasureParams(stats, observer); 13585 mHandler.sendMessage(msg); 13586 } 13587 13588 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 13589 PackageStats pStats) { 13590 if (packageName == null) { 13591 Slog.w(TAG, "Attempt to get size of null packageName."); 13592 return false; 13593 } 13594 PackageParser.Package p; 13595 boolean dataOnly = false; 13596 String libDirRoot = null; 13597 String asecPath = null; 13598 PackageSetting ps = null; 13599 synchronized (mPackages) { 13600 p = mPackages.get(packageName); 13601 ps = mSettings.mPackages.get(packageName); 13602 if(p == null) { 13603 dataOnly = true; 13604 if((ps == null) || (ps.pkg == null)) { 13605 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 13606 return false; 13607 } 13608 p = ps.pkg; 13609 } 13610 if (ps != null) { 13611 libDirRoot = ps.legacyNativeLibraryPathString; 13612 } 13613 if (p != null && (isExternal(p) || p.isForwardLocked())) { 13614 final long token = Binder.clearCallingIdentity(); 13615 try { 13616 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 13617 if (secureContainerId != null) { 13618 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 13619 } 13620 } finally { 13621 Binder.restoreCallingIdentity(token); 13622 } 13623 } 13624 } 13625 String publicSrcDir = null; 13626 if(!dataOnly) { 13627 final ApplicationInfo applicationInfo = p.applicationInfo; 13628 if (applicationInfo == null) { 13629 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 13630 return false; 13631 } 13632 if (p.isForwardLocked()) { 13633 publicSrcDir = applicationInfo.getBaseResourcePath(); 13634 } 13635 } 13636 // TODO: extend to measure size of split APKs 13637 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 13638 // not just the first level. 13639 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 13640 // just the primary. 13641 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 13642 13643 String apkPath; 13644 File packageDir = new File(p.codePath); 13645 13646 if (packageDir.isDirectory() && p.canHaveOatDir()) { 13647 apkPath = packageDir.getAbsolutePath(); 13648 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 13649 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 13650 libDirRoot = null; 13651 } 13652 } else { 13653 apkPath = p.baseCodePath; 13654 } 13655 13656 int res = mInstaller.getSizeInfo(p.volumeUuid, packageName, userHandle, apkPath, 13657 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 13658 if (res < 0) { 13659 return false; 13660 } 13661 13662 // Fix-up for forward-locked applications in ASEC containers. 13663 if (!isExternal(p)) { 13664 pStats.codeSize += pStats.externalCodeSize; 13665 pStats.externalCodeSize = 0L; 13666 } 13667 13668 return true; 13669 } 13670 13671 13672 @Override 13673 public void addPackageToPreferred(String packageName) { 13674 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 13675 } 13676 13677 @Override 13678 public void removePackageFromPreferred(String packageName) { 13679 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 13680 } 13681 13682 @Override 13683 public List<PackageInfo> getPreferredPackages(int flags) { 13684 return new ArrayList<PackageInfo>(); 13685 } 13686 13687 private int getUidTargetSdkVersionLockedLPr(int uid) { 13688 Object obj = mSettings.getUserIdLPr(uid); 13689 if (obj instanceof SharedUserSetting) { 13690 final SharedUserSetting sus = (SharedUserSetting) obj; 13691 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 13692 final Iterator<PackageSetting> it = sus.packages.iterator(); 13693 while (it.hasNext()) { 13694 final PackageSetting ps = it.next(); 13695 if (ps.pkg != null) { 13696 int v = ps.pkg.applicationInfo.targetSdkVersion; 13697 if (v < vers) vers = v; 13698 } 13699 } 13700 return vers; 13701 } else if (obj instanceof PackageSetting) { 13702 final PackageSetting ps = (PackageSetting) obj; 13703 if (ps.pkg != null) { 13704 return ps.pkg.applicationInfo.targetSdkVersion; 13705 } 13706 } 13707 return Build.VERSION_CODES.CUR_DEVELOPMENT; 13708 } 13709 13710 @Override 13711 public void addPreferredActivity(IntentFilter filter, int match, 13712 ComponentName[] set, ComponentName activity, int userId) { 13713 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13714 "Adding preferred"); 13715 } 13716 13717 private void addPreferredActivityInternal(IntentFilter filter, int match, 13718 ComponentName[] set, ComponentName activity, boolean always, int userId, 13719 String opname) { 13720 // writer 13721 int callingUid = Binder.getCallingUid(); 13722 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 13723 if (filter.countActions() == 0) { 13724 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 13725 return; 13726 } 13727 synchronized (mPackages) { 13728 if (mContext.checkCallingOrSelfPermission( 13729 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13730 != PackageManager.PERMISSION_GRANTED) { 13731 if (getUidTargetSdkVersionLockedLPr(callingUid) 13732 < Build.VERSION_CODES.FROYO) { 13733 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 13734 + callingUid); 13735 return; 13736 } 13737 mContext.enforceCallingOrSelfPermission( 13738 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13739 } 13740 13741 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 13742 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 13743 + userId + ":"); 13744 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13745 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 13746 scheduleWritePackageRestrictionsLocked(userId); 13747 } 13748 } 13749 13750 @Override 13751 public void replacePreferredActivity(IntentFilter filter, int match, 13752 ComponentName[] set, ComponentName activity, int userId) { 13753 if (filter.countActions() != 1) { 13754 throw new IllegalArgumentException( 13755 "replacePreferredActivity expects filter to have only 1 action."); 13756 } 13757 if (filter.countDataAuthorities() != 0 13758 || filter.countDataPaths() != 0 13759 || filter.countDataSchemes() > 1 13760 || filter.countDataTypes() != 0) { 13761 throw new IllegalArgumentException( 13762 "replacePreferredActivity expects filter to have no data authorities, " + 13763 "paths, or types; and at most one scheme."); 13764 } 13765 13766 final int callingUid = Binder.getCallingUid(); 13767 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 13768 synchronized (mPackages) { 13769 if (mContext.checkCallingOrSelfPermission( 13770 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13771 != PackageManager.PERMISSION_GRANTED) { 13772 if (getUidTargetSdkVersionLockedLPr(callingUid) 13773 < Build.VERSION_CODES.FROYO) { 13774 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 13775 + Binder.getCallingUid()); 13776 return; 13777 } 13778 mContext.enforceCallingOrSelfPermission( 13779 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13780 } 13781 13782 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13783 if (pir != null) { 13784 // Get all of the existing entries that exactly match this filter. 13785 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 13786 if (existing != null && existing.size() == 1) { 13787 PreferredActivity cur = existing.get(0); 13788 if (DEBUG_PREFERRED) { 13789 Slog.i(TAG, "Checking replace of preferred:"); 13790 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13791 if (!cur.mPref.mAlways) { 13792 Slog.i(TAG, " -- CUR; not mAlways!"); 13793 } else { 13794 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 13795 Slog.i(TAG, " -- CUR: mSet=" 13796 + Arrays.toString(cur.mPref.mSetComponents)); 13797 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 13798 Slog.i(TAG, " -- NEW: mMatch=" 13799 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 13800 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 13801 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 13802 } 13803 } 13804 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 13805 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 13806 && cur.mPref.sameSet(set)) { 13807 // Setting the preferred activity to what it happens to be already 13808 if (DEBUG_PREFERRED) { 13809 Slog.i(TAG, "Replacing with same preferred activity " 13810 + cur.mPref.mShortComponent + " for user " 13811 + userId + ":"); 13812 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13813 } 13814 return; 13815 } 13816 } 13817 13818 if (existing != null) { 13819 if (DEBUG_PREFERRED) { 13820 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 13821 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 13822 } 13823 for (int i = 0; i < existing.size(); i++) { 13824 PreferredActivity pa = existing.get(i); 13825 if (DEBUG_PREFERRED) { 13826 Slog.i(TAG, "Removing existing preferred activity " 13827 + pa.mPref.mComponent + ":"); 13828 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 13829 } 13830 pir.removeFilter(pa); 13831 } 13832 } 13833 } 13834 addPreferredActivityInternal(filter, match, set, activity, true, userId, 13835 "Replacing preferred"); 13836 } 13837 } 13838 13839 @Override 13840 public void clearPackagePreferredActivities(String packageName) { 13841 final int uid = Binder.getCallingUid(); 13842 // writer 13843 synchronized (mPackages) { 13844 PackageParser.Package pkg = mPackages.get(packageName); 13845 if (pkg == null || pkg.applicationInfo.uid != uid) { 13846 if (mContext.checkCallingOrSelfPermission( 13847 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 13848 != PackageManager.PERMISSION_GRANTED) { 13849 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 13850 < Build.VERSION_CODES.FROYO) { 13851 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 13852 + Binder.getCallingUid()); 13853 return; 13854 } 13855 mContext.enforceCallingOrSelfPermission( 13856 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13857 } 13858 } 13859 13860 int user = UserHandle.getCallingUserId(); 13861 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 13862 scheduleWritePackageRestrictionsLocked(user); 13863 } 13864 } 13865 } 13866 13867 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13868 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 13869 ArrayList<PreferredActivity> removed = null; 13870 boolean changed = false; 13871 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 13872 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 13873 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 13874 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 13875 continue; 13876 } 13877 Iterator<PreferredActivity> it = pir.filterIterator(); 13878 while (it.hasNext()) { 13879 PreferredActivity pa = it.next(); 13880 // Mark entry for removal only if it matches the package name 13881 // and the entry is of type "always". 13882 if (packageName == null || 13883 (pa.mPref.mComponent.getPackageName().equals(packageName) 13884 && pa.mPref.mAlways)) { 13885 if (removed == null) { 13886 removed = new ArrayList<PreferredActivity>(); 13887 } 13888 removed.add(pa); 13889 } 13890 } 13891 if (removed != null) { 13892 for (int j=0; j<removed.size(); j++) { 13893 PreferredActivity pa = removed.get(j); 13894 pir.removeFilter(pa); 13895 } 13896 changed = true; 13897 } 13898 } 13899 return changed; 13900 } 13901 13902 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13903 private void clearIntentFilterVerificationsLPw(int userId) { 13904 final int packageCount = mPackages.size(); 13905 for (int i = 0; i < packageCount; i++) { 13906 PackageParser.Package pkg = mPackages.valueAt(i); 13907 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 13908 } 13909 } 13910 13911 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 13912 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 13913 if (userId == UserHandle.USER_ALL) { 13914 if (mSettings.removeIntentFilterVerificationLPw(packageName, 13915 sUserManager.getUserIds())) { 13916 for (int oneUserId : sUserManager.getUserIds()) { 13917 scheduleWritePackageRestrictionsLocked(oneUserId); 13918 } 13919 } 13920 } else { 13921 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 13922 scheduleWritePackageRestrictionsLocked(userId); 13923 } 13924 } 13925 } 13926 13927 void clearDefaultBrowserIfNeeded(String packageName) { 13928 for (int oneUserId : sUserManager.getUserIds()) { 13929 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 13930 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 13931 if (packageName.equals(defaultBrowserPackageName)) { 13932 setDefaultBrowserPackageName(null, oneUserId); 13933 } 13934 } 13935 } 13936 13937 @Override 13938 public void resetApplicationPreferences(int userId) { 13939 mContext.enforceCallingOrSelfPermission( 13940 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13941 // writer 13942 synchronized (mPackages) { 13943 final long identity = Binder.clearCallingIdentity(); 13944 try { 13945 clearPackagePreferredActivitiesLPw(null, userId); 13946 mSettings.applyDefaultPreferredAppsLPw(this, userId); 13947 // TODO: We have to reset the default SMS and Phone. This requires 13948 // significant refactoring to keep all default apps in the package 13949 // manager (cleaner but more work) or have the services provide 13950 // callbacks to the package manager to request a default app reset. 13951 applyFactoryDefaultBrowserLPw(userId); 13952 clearIntentFilterVerificationsLPw(userId); 13953 primeDomainVerificationsLPw(userId); 13954 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 13955 scheduleWritePackageRestrictionsLocked(userId); 13956 } finally { 13957 Binder.restoreCallingIdentity(identity); 13958 } 13959 } 13960 } 13961 13962 @Override 13963 public int getPreferredActivities(List<IntentFilter> outFilters, 13964 List<ComponentName> outActivities, String packageName) { 13965 13966 int num = 0; 13967 final int userId = UserHandle.getCallingUserId(); 13968 // reader 13969 synchronized (mPackages) { 13970 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 13971 if (pir != null) { 13972 final Iterator<PreferredActivity> it = pir.filterIterator(); 13973 while (it.hasNext()) { 13974 final PreferredActivity pa = it.next(); 13975 if (packageName == null 13976 || (pa.mPref.mComponent.getPackageName().equals(packageName) 13977 && pa.mPref.mAlways)) { 13978 if (outFilters != null) { 13979 outFilters.add(new IntentFilter(pa)); 13980 } 13981 if (outActivities != null) { 13982 outActivities.add(pa.mPref.mComponent); 13983 } 13984 } 13985 } 13986 } 13987 } 13988 13989 return num; 13990 } 13991 13992 @Override 13993 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 13994 int userId) { 13995 int callingUid = Binder.getCallingUid(); 13996 if (callingUid != Process.SYSTEM_UID) { 13997 throw new SecurityException( 13998 "addPersistentPreferredActivity can only be run by the system"); 13999 } 14000 if (filter.countActions() == 0) { 14001 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14002 return; 14003 } 14004 synchronized (mPackages) { 14005 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14006 " :"); 14007 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14008 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14009 new PersistentPreferredActivity(filter, activity)); 14010 scheduleWritePackageRestrictionsLocked(userId); 14011 } 14012 } 14013 14014 @Override 14015 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14016 int callingUid = Binder.getCallingUid(); 14017 if (callingUid != Process.SYSTEM_UID) { 14018 throw new SecurityException( 14019 "clearPackagePersistentPreferredActivities can only be run by the system"); 14020 } 14021 ArrayList<PersistentPreferredActivity> removed = null; 14022 boolean changed = false; 14023 synchronized (mPackages) { 14024 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14025 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14026 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14027 .valueAt(i); 14028 if (userId != thisUserId) { 14029 continue; 14030 } 14031 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14032 while (it.hasNext()) { 14033 PersistentPreferredActivity ppa = it.next(); 14034 // Mark entry for removal only if it matches the package name. 14035 if (ppa.mComponent.getPackageName().equals(packageName)) { 14036 if (removed == null) { 14037 removed = new ArrayList<PersistentPreferredActivity>(); 14038 } 14039 removed.add(ppa); 14040 } 14041 } 14042 if (removed != null) { 14043 for (int j=0; j<removed.size(); j++) { 14044 PersistentPreferredActivity ppa = removed.get(j); 14045 ppir.removeFilter(ppa); 14046 } 14047 changed = true; 14048 } 14049 } 14050 14051 if (changed) { 14052 scheduleWritePackageRestrictionsLocked(userId); 14053 } 14054 } 14055 } 14056 14057 /** 14058 * Common machinery for picking apart a restored XML blob and passing 14059 * it to a caller-supplied functor to be applied to the running system. 14060 */ 14061 private void restoreFromXml(XmlPullParser parser, int userId, 14062 String expectedStartTag, BlobXmlRestorer functor) 14063 throws IOException, XmlPullParserException { 14064 int type; 14065 while ((type = parser.next()) != XmlPullParser.START_TAG 14066 && type != XmlPullParser.END_DOCUMENT) { 14067 } 14068 if (type != XmlPullParser.START_TAG) { 14069 // oops didn't find a start tag?! 14070 if (DEBUG_BACKUP) { 14071 Slog.e(TAG, "Didn't find start tag during restore"); 14072 } 14073 return; 14074 } 14075 14076 // this is supposed to be TAG_PREFERRED_BACKUP 14077 if (!expectedStartTag.equals(parser.getName())) { 14078 if (DEBUG_BACKUP) { 14079 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14080 } 14081 return; 14082 } 14083 14084 // skip interfering stuff, then we're aligned with the backing implementation 14085 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14086 functor.apply(parser, userId); 14087 } 14088 14089 private interface BlobXmlRestorer { 14090 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14091 } 14092 14093 /** 14094 * Non-Binder method, support for the backup/restore mechanism: write the 14095 * full set of preferred activities in its canonical XML format. Returns the 14096 * XML output as a byte array, or null if there is none. 14097 */ 14098 @Override 14099 public byte[] getPreferredActivityBackup(int userId) { 14100 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14101 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14102 } 14103 14104 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14105 try { 14106 final XmlSerializer serializer = new FastXmlSerializer(); 14107 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14108 serializer.startDocument(null, true); 14109 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14110 14111 synchronized (mPackages) { 14112 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14113 } 14114 14115 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14116 serializer.endDocument(); 14117 serializer.flush(); 14118 } catch (Exception e) { 14119 if (DEBUG_BACKUP) { 14120 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14121 } 14122 return null; 14123 } 14124 14125 return dataStream.toByteArray(); 14126 } 14127 14128 @Override 14129 public void restorePreferredActivities(byte[] backup, int userId) { 14130 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14131 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14132 } 14133 14134 try { 14135 final XmlPullParser parser = Xml.newPullParser(); 14136 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14137 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14138 new BlobXmlRestorer() { 14139 @Override 14140 public void apply(XmlPullParser parser, int userId) 14141 throws XmlPullParserException, IOException { 14142 synchronized (mPackages) { 14143 mSettings.readPreferredActivitiesLPw(parser, userId); 14144 } 14145 } 14146 } ); 14147 } catch (Exception e) { 14148 if (DEBUG_BACKUP) { 14149 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14150 } 14151 } 14152 } 14153 14154 /** 14155 * Non-Binder method, support for the backup/restore mechanism: write the 14156 * default browser (etc) settings in its canonical XML format. Returns the default 14157 * browser XML representation as a byte array, or null if there is none. 14158 */ 14159 @Override 14160 public byte[] getDefaultAppsBackup(int userId) { 14161 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14162 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14163 } 14164 14165 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14166 try { 14167 final XmlSerializer serializer = new FastXmlSerializer(); 14168 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14169 serializer.startDocument(null, true); 14170 serializer.startTag(null, TAG_DEFAULT_APPS); 14171 14172 synchronized (mPackages) { 14173 mSettings.writeDefaultAppsLPr(serializer, userId); 14174 } 14175 14176 serializer.endTag(null, TAG_DEFAULT_APPS); 14177 serializer.endDocument(); 14178 serializer.flush(); 14179 } catch (Exception e) { 14180 if (DEBUG_BACKUP) { 14181 Slog.e(TAG, "Unable to write default apps for backup", e); 14182 } 14183 return null; 14184 } 14185 14186 return dataStream.toByteArray(); 14187 } 14188 14189 @Override 14190 public void restoreDefaultApps(byte[] backup, int userId) { 14191 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14192 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14193 } 14194 14195 try { 14196 final XmlPullParser parser = Xml.newPullParser(); 14197 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14198 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14199 new BlobXmlRestorer() { 14200 @Override 14201 public void apply(XmlPullParser parser, int userId) 14202 throws XmlPullParserException, IOException { 14203 synchronized (mPackages) { 14204 mSettings.readDefaultAppsLPw(parser, userId); 14205 } 14206 } 14207 } ); 14208 } catch (Exception e) { 14209 if (DEBUG_BACKUP) { 14210 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14211 } 14212 } 14213 } 14214 14215 @Override 14216 public byte[] getIntentFilterVerificationBackup(int userId) { 14217 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14218 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14219 } 14220 14221 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14222 try { 14223 final XmlSerializer serializer = new FastXmlSerializer(); 14224 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14225 serializer.startDocument(null, true); 14226 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14227 14228 synchronized (mPackages) { 14229 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14230 } 14231 14232 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14233 serializer.endDocument(); 14234 serializer.flush(); 14235 } catch (Exception e) { 14236 if (DEBUG_BACKUP) { 14237 Slog.e(TAG, "Unable to write default apps for backup", e); 14238 } 14239 return null; 14240 } 14241 14242 return dataStream.toByteArray(); 14243 } 14244 14245 @Override 14246 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14247 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14248 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14249 } 14250 14251 try { 14252 final XmlPullParser parser = Xml.newPullParser(); 14253 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14254 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14255 new BlobXmlRestorer() { 14256 @Override 14257 public void apply(XmlPullParser parser, int userId) 14258 throws XmlPullParserException, IOException { 14259 synchronized (mPackages) { 14260 mSettings.readAllDomainVerificationsLPr(parser, userId); 14261 mSettings.writeLPr(); 14262 } 14263 } 14264 } ); 14265 } catch (Exception e) { 14266 if (DEBUG_BACKUP) { 14267 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14268 } 14269 } 14270 } 14271 14272 @Override 14273 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14274 int sourceUserId, int targetUserId, int flags) { 14275 mContext.enforceCallingOrSelfPermission( 14276 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14277 int callingUid = Binder.getCallingUid(); 14278 enforceOwnerRights(ownerPackage, callingUid); 14279 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14280 if (intentFilter.countActions() == 0) { 14281 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14282 return; 14283 } 14284 synchronized (mPackages) { 14285 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14286 ownerPackage, targetUserId, flags); 14287 CrossProfileIntentResolver resolver = 14288 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14289 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14290 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14291 if (existing != null) { 14292 int size = existing.size(); 14293 for (int i = 0; i < size; i++) { 14294 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14295 return; 14296 } 14297 } 14298 } 14299 resolver.addFilter(newFilter); 14300 scheduleWritePackageRestrictionsLocked(sourceUserId); 14301 } 14302 } 14303 14304 @Override 14305 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14306 mContext.enforceCallingOrSelfPermission( 14307 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14308 int callingUid = Binder.getCallingUid(); 14309 enforceOwnerRights(ownerPackage, callingUid); 14310 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14311 synchronized (mPackages) { 14312 CrossProfileIntentResolver resolver = 14313 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14314 ArraySet<CrossProfileIntentFilter> set = 14315 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14316 for (CrossProfileIntentFilter filter : set) { 14317 if (filter.getOwnerPackage().equals(ownerPackage)) { 14318 resolver.removeFilter(filter); 14319 } 14320 } 14321 scheduleWritePackageRestrictionsLocked(sourceUserId); 14322 } 14323 } 14324 14325 // Enforcing that callingUid is owning pkg on userId 14326 private void enforceOwnerRights(String pkg, int callingUid) { 14327 // The system owns everything. 14328 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14329 return; 14330 } 14331 int callingUserId = UserHandle.getUserId(callingUid); 14332 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14333 if (pi == null) { 14334 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14335 + callingUserId); 14336 } 14337 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14338 throw new SecurityException("Calling uid " + callingUid 14339 + " does not own package " + pkg); 14340 } 14341 } 14342 14343 @Override 14344 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14345 Intent intent = new Intent(Intent.ACTION_MAIN); 14346 intent.addCategory(Intent.CATEGORY_HOME); 14347 14348 final int callingUserId = UserHandle.getCallingUserId(); 14349 List<ResolveInfo> list = queryIntentActivities(intent, null, 14350 PackageManager.GET_META_DATA, callingUserId); 14351 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14352 true, false, false, callingUserId); 14353 14354 allHomeCandidates.clear(); 14355 if (list != null) { 14356 for (ResolveInfo ri : list) { 14357 allHomeCandidates.add(ri); 14358 } 14359 } 14360 return (preferred == null || preferred.activityInfo == null) 14361 ? null 14362 : new ComponentName(preferred.activityInfo.packageName, 14363 preferred.activityInfo.name); 14364 } 14365 14366 @Override 14367 public void setApplicationEnabledSetting(String appPackageName, 14368 int newState, int flags, int userId, String callingPackage) { 14369 if (!sUserManager.exists(userId)) return; 14370 if (callingPackage == null) { 14371 callingPackage = Integer.toString(Binder.getCallingUid()); 14372 } 14373 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14374 } 14375 14376 @Override 14377 public void setComponentEnabledSetting(ComponentName componentName, 14378 int newState, int flags, int userId) { 14379 if (!sUserManager.exists(userId)) return; 14380 setEnabledSetting(componentName.getPackageName(), 14381 componentName.getClassName(), newState, flags, userId, null); 14382 } 14383 14384 private void setEnabledSetting(final String packageName, String className, int newState, 14385 final int flags, int userId, String callingPackage) { 14386 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 14387 || newState == COMPONENT_ENABLED_STATE_ENABLED 14388 || newState == COMPONENT_ENABLED_STATE_DISABLED 14389 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 14390 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 14391 throw new IllegalArgumentException("Invalid new component state: " 14392 + newState); 14393 } 14394 PackageSetting pkgSetting; 14395 final int uid = Binder.getCallingUid(); 14396 final int permission = mContext.checkCallingOrSelfPermission( 14397 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14398 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 14399 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14400 boolean sendNow = false; 14401 boolean isApp = (className == null); 14402 String componentName = isApp ? packageName : className; 14403 int packageUid = -1; 14404 ArrayList<String> components; 14405 14406 // writer 14407 synchronized (mPackages) { 14408 pkgSetting = mSettings.mPackages.get(packageName); 14409 if (pkgSetting == null) { 14410 if (className == null) { 14411 throw new IllegalArgumentException( 14412 "Unknown package: " + packageName); 14413 } 14414 throw new IllegalArgumentException( 14415 "Unknown component: " + packageName 14416 + "/" + className); 14417 } 14418 // Allow root and verify that userId is not being specified by a different user 14419 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 14420 throw new SecurityException( 14421 "Permission Denial: attempt to change component state from pid=" 14422 + Binder.getCallingPid() 14423 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 14424 } 14425 if (className == null) { 14426 // We're dealing with an application/package level state change 14427 if (pkgSetting.getEnabled(userId) == newState) { 14428 // Nothing to do 14429 return; 14430 } 14431 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 14432 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 14433 // Don't care about who enables an app. 14434 callingPackage = null; 14435 } 14436 pkgSetting.setEnabled(newState, userId, callingPackage); 14437 // pkgSetting.pkg.mSetEnabled = newState; 14438 } else { 14439 // We're dealing with a component level state change 14440 // First, verify that this is a valid class name. 14441 PackageParser.Package pkg = pkgSetting.pkg; 14442 if (pkg == null || !pkg.hasComponentClassName(className)) { 14443 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 14444 throw new IllegalArgumentException("Component class " + className 14445 + " does not exist in " + packageName); 14446 } else { 14447 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 14448 + className + " does not exist in " + packageName); 14449 } 14450 } 14451 switch (newState) { 14452 case COMPONENT_ENABLED_STATE_ENABLED: 14453 if (!pkgSetting.enableComponentLPw(className, userId)) { 14454 return; 14455 } 14456 break; 14457 case COMPONENT_ENABLED_STATE_DISABLED: 14458 if (!pkgSetting.disableComponentLPw(className, userId)) { 14459 return; 14460 } 14461 break; 14462 case COMPONENT_ENABLED_STATE_DEFAULT: 14463 if (!pkgSetting.restoreComponentLPw(className, userId)) { 14464 return; 14465 } 14466 break; 14467 default: 14468 Slog.e(TAG, "Invalid new component state: " + newState); 14469 return; 14470 } 14471 } 14472 scheduleWritePackageRestrictionsLocked(userId); 14473 components = mPendingBroadcasts.get(userId, packageName); 14474 final boolean newPackage = components == null; 14475 if (newPackage) { 14476 components = new ArrayList<String>(); 14477 } 14478 if (!components.contains(componentName)) { 14479 components.add(componentName); 14480 } 14481 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 14482 sendNow = true; 14483 // Purge entry from pending broadcast list if another one exists already 14484 // since we are sending one right away. 14485 mPendingBroadcasts.remove(userId, packageName); 14486 } else { 14487 if (newPackage) { 14488 mPendingBroadcasts.put(userId, packageName, components); 14489 } 14490 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 14491 // Schedule a message 14492 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 14493 } 14494 } 14495 } 14496 14497 long callingId = Binder.clearCallingIdentity(); 14498 try { 14499 if (sendNow) { 14500 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 14501 sendPackageChangedBroadcast(packageName, 14502 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 14503 } 14504 } finally { 14505 Binder.restoreCallingIdentity(callingId); 14506 } 14507 } 14508 14509 private void sendPackageChangedBroadcast(String packageName, 14510 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 14511 if (DEBUG_INSTALL) 14512 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 14513 + componentNames); 14514 Bundle extras = new Bundle(4); 14515 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 14516 String nameList[] = new String[componentNames.size()]; 14517 componentNames.toArray(nameList); 14518 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 14519 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 14520 extras.putInt(Intent.EXTRA_UID, packageUid); 14521 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 14522 new int[] {UserHandle.getUserId(packageUid)}); 14523 } 14524 14525 @Override 14526 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 14527 if (!sUserManager.exists(userId)) return; 14528 final int uid = Binder.getCallingUid(); 14529 final int permission = mContext.checkCallingOrSelfPermission( 14530 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 14531 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 14532 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 14533 // writer 14534 synchronized (mPackages) { 14535 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 14536 allowedByPermission, uid, userId)) { 14537 scheduleWritePackageRestrictionsLocked(userId); 14538 } 14539 } 14540 } 14541 14542 @Override 14543 public String getInstallerPackageName(String packageName) { 14544 // reader 14545 synchronized (mPackages) { 14546 return mSettings.getInstallerPackageNameLPr(packageName); 14547 } 14548 } 14549 14550 @Override 14551 public int getApplicationEnabledSetting(String packageName, int userId) { 14552 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14553 int uid = Binder.getCallingUid(); 14554 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 14555 // reader 14556 synchronized (mPackages) { 14557 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 14558 } 14559 } 14560 14561 @Override 14562 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 14563 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 14564 int uid = Binder.getCallingUid(); 14565 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 14566 // reader 14567 synchronized (mPackages) { 14568 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 14569 } 14570 } 14571 14572 @Override 14573 public void enterSafeMode() { 14574 enforceSystemOrRoot("Only the system can request entering safe mode"); 14575 14576 if (!mSystemReady) { 14577 mSafeMode = true; 14578 } 14579 } 14580 14581 @Override 14582 public void systemReady() { 14583 mSystemReady = true; 14584 14585 // Read the compatibilty setting when the system is ready. 14586 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 14587 mContext.getContentResolver(), 14588 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 14589 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 14590 if (DEBUG_SETTINGS) { 14591 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 14592 } 14593 14594 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 14595 14596 synchronized (mPackages) { 14597 // Verify that all of the preferred activity components actually 14598 // exist. It is possible for applications to be updated and at 14599 // that point remove a previously declared activity component that 14600 // had been set as a preferred activity. We try to clean this up 14601 // the next time we encounter that preferred activity, but it is 14602 // possible for the user flow to never be able to return to that 14603 // situation so here we do a sanity check to make sure we haven't 14604 // left any junk around. 14605 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 14606 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14607 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14608 removed.clear(); 14609 for (PreferredActivity pa : pir.filterSet()) { 14610 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 14611 removed.add(pa); 14612 } 14613 } 14614 if (removed.size() > 0) { 14615 for (int r=0; r<removed.size(); r++) { 14616 PreferredActivity pa = removed.get(r); 14617 Slog.w(TAG, "Removing dangling preferred activity: " 14618 + pa.mPref.mComponent); 14619 pir.removeFilter(pa); 14620 } 14621 mSettings.writePackageRestrictionsLPr( 14622 mSettings.mPreferredActivities.keyAt(i)); 14623 } 14624 } 14625 14626 for (int userId : UserManagerService.getInstance().getUserIds()) { 14627 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 14628 grantPermissionsUserIds = ArrayUtils.appendInt( 14629 grantPermissionsUserIds, userId); 14630 } 14631 } 14632 } 14633 sUserManager.systemReady(); 14634 14635 // If we upgraded grant all default permissions before kicking off. 14636 for (int userId : grantPermissionsUserIds) { 14637 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 14638 } 14639 14640 // Kick off any messages waiting for system ready 14641 if (mPostSystemReadyMessages != null) { 14642 for (Message msg : mPostSystemReadyMessages) { 14643 msg.sendToTarget(); 14644 } 14645 mPostSystemReadyMessages = null; 14646 } 14647 14648 // Watch for external volumes that come and go over time 14649 final StorageManager storage = mContext.getSystemService(StorageManager.class); 14650 storage.registerListener(mStorageListener); 14651 14652 mInstallerService.systemReady(); 14653 mPackageDexOptimizer.systemReady(); 14654 14655 MountServiceInternal mountServiceInternal = LocalServices.getService( 14656 MountServiceInternal.class); 14657 mountServiceInternal.addExternalStoragePolicy( 14658 new MountServiceInternal.ExternalStorageMountPolicy() { 14659 @Override 14660 public int getMountMode(int uid, String packageName) { 14661 if (Process.isIsolated(uid)) { 14662 return Zygote.MOUNT_EXTERNAL_NONE; 14663 } 14664 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 14665 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14666 } 14667 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14668 return Zygote.MOUNT_EXTERNAL_DEFAULT; 14669 } 14670 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 14671 return Zygote.MOUNT_EXTERNAL_READ; 14672 } 14673 return Zygote.MOUNT_EXTERNAL_WRITE; 14674 } 14675 14676 @Override 14677 public boolean hasExternalStorage(int uid, String packageName) { 14678 return true; 14679 } 14680 }); 14681 } 14682 14683 @Override 14684 public boolean isSafeMode() { 14685 return mSafeMode; 14686 } 14687 14688 @Override 14689 public boolean hasSystemUidErrors() { 14690 return mHasSystemUidErrors; 14691 } 14692 14693 static String arrayToString(int[] array) { 14694 StringBuffer buf = new StringBuffer(128); 14695 buf.append('['); 14696 if (array != null) { 14697 for (int i=0; i<array.length; i++) { 14698 if (i > 0) buf.append(", "); 14699 buf.append(array[i]); 14700 } 14701 } 14702 buf.append(']'); 14703 return buf.toString(); 14704 } 14705 14706 static class DumpState { 14707 public static final int DUMP_LIBS = 1 << 0; 14708 public static final int DUMP_FEATURES = 1 << 1; 14709 public static final int DUMP_RESOLVERS = 1 << 2; 14710 public static final int DUMP_PERMISSIONS = 1 << 3; 14711 public static final int DUMP_PACKAGES = 1 << 4; 14712 public static final int DUMP_SHARED_USERS = 1 << 5; 14713 public static final int DUMP_MESSAGES = 1 << 6; 14714 public static final int DUMP_PROVIDERS = 1 << 7; 14715 public static final int DUMP_VERIFIERS = 1 << 8; 14716 public static final int DUMP_PREFERRED = 1 << 9; 14717 public static final int DUMP_PREFERRED_XML = 1 << 10; 14718 public static final int DUMP_KEYSETS = 1 << 11; 14719 public static final int DUMP_VERSION = 1 << 12; 14720 public static final int DUMP_INSTALLS = 1 << 13; 14721 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 14; 14722 public static final int DUMP_DOMAIN_PREFERRED = 1 << 15; 14723 14724 public static final int OPTION_SHOW_FILTERS = 1 << 0; 14725 14726 private int mTypes; 14727 14728 private int mOptions; 14729 14730 private boolean mTitlePrinted; 14731 14732 private SharedUserSetting mSharedUser; 14733 14734 public boolean isDumping(int type) { 14735 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 14736 return true; 14737 } 14738 14739 return (mTypes & type) != 0; 14740 } 14741 14742 public void setDump(int type) { 14743 mTypes |= type; 14744 } 14745 14746 public boolean isOptionEnabled(int option) { 14747 return (mOptions & option) != 0; 14748 } 14749 14750 public void setOptionEnabled(int option) { 14751 mOptions |= option; 14752 } 14753 14754 public boolean onTitlePrinted() { 14755 final boolean printed = mTitlePrinted; 14756 mTitlePrinted = true; 14757 return printed; 14758 } 14759 14760 public boolean getTitlePrinted() { 14761 return mTitlePrinted; 14762 } 14763 14764 public void setTitlePrinted(boolean enabled) { 14765 mTitlePrinted = enabled; 14766 } 14767 14768 public SharedUserSetting getSharedUser() { 14769 return mSharedUser; 14770 } 14771 14772 public void setSharedUser(SharedUserSetting user) { 14773 mSharedUser = user; 14774 } 14775 } 14776 14777 @Override 14778 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 14779 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 14780 != PackageManager.PERMISSION_GRANTED) { 14781 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 14782 + Binder.getCallingPid() 14783 + ", uid=" + Binder.getCallingUid() 14784 + " without permission " 14785 + android.Manifest.permission.DUMP); 14786 return; 14787 } 14788 14789 DumpState dumpState = new DumpState(); 14790 boolean fullPreferred = false; 14791 boolean checkin = false; 14792 14793 String packageName = null; 14794 ArraySet<String> permissionNames = null; 14795 14796 int opti = 0; 14797 while (opti < args.length) { 14798 String opt = args[opti]; 14799 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 14800 break; 14801 } 14802 opti++; 14803 14804 if ("-a".equals(opt)) { 14805 // Right now we only know how to print all. 14806 } else if ("-h".equals(opt)) { 14807 pw.println("Package manager dump options:"); 14808 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 14809 pw.println(" --checkin: dump for a checkin"); 14810 pw.println(" -f: print details of intent filters"); 14811 pw.println(" -h: print this help"); 14812 pw.println(" cmd may be one of:"); 14813 pw.println(" l[ibraries]: list known shared libraries"); 14814 pw.println(" f[ibraries]: list device features"); 14815 pw.println(" k[eysets]: print known keysets"); 14816 pw.println(" r[esolvers]: dump intent resolvers"); 14817 pw.println(" perm[issions]: dump permissions"); 14818 pw.println(" permission [name ...]: dump declaration and use of given permission"); 14819 pw.println(" pref[erred]: print preferred package settings"); 14820 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 14821 pw.println(" prov[iders]: dump content providers"); 14822 pw.println(" p[ackages]: dump installed packages"); 14823 pw.println(" s[hared-users]: dump shared user IDs"); 14824 pw.println(" m[essages]: print collected runtime messages"); 14825 pw.println(" v[erifiers]: print package verifier info"); 14826 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 14827 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 14828 pw.println(" version: print database version info"); 14829 pw.println(" write: write current settings now"); 14830 pw.println(" installs: details about install sessions"); 14831 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 14832 pw.println(" <package.name>: info about given package"); 14833 return; 14834 } else if ("--checkin".equals(opt)) { 14835 checkin = true; 14836 } else if ("-f".equals(opt)) { 14837 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14838 } else { 14839 pw.println("Unknown argument: " + opt + "; use -h for help"); 14840 } 14841 } 14842 14843 // Is the caller requesting to dump a particular piece of data? 14844 if (opti < args.length) { 14845 String cmd = args[opti]; 14846 opti++; 14847 // Is this a package name? 14848 if ("android".equals(cmd) || cmd.contains(".")) { 14849 packageName = cmd; 14850 // When dumping a single package, we always dump all of its 14851 // filter information since the amount of data will be reasonable. 14852 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 14853 } else if ("check-permission".equals(cmd)) { 14854 if (opti >= args.length) { 14855 pw.println("Error: check-permission missing permission argument"); 14856 return; 14857 } 14858 String perm = args[opti]; 14859 opti++; 14860 if (opti >= args.length) { 14861 pw.println("Error: check-permission missing package argument"); 14862 return; 14863 } 14864 String pkg = args[opti]; 14865 opti++; 14866 int user = UserHandle.getUserId(Binder.getCallingUid()); 14867 if (opti < args.length) { 14868 try { 14869 user = Integer.parseInt(args[opti]); 14870 } catch (NumberFormatException e) { 14871 pw.println("Error: check-permission user argument is not a number: " 14872 + args[opti]); 14873 return; 14874 } 14875 } 14876 pw.println(checkPermission(perm, pkg, user)); 14877 return; 14878 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 14879 dumpState.setDump(DumpState.DUMP_LIBS); 14880 } else if ("f".equals(cmd) || "features".equals(cmd)) { 14881 dumpState.setDump(DumpState.DUMP_FEATURES); 14882 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 14883 dumpState.setDump(DumpState.DUMP_RESOLVERS); 14884 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 14885 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 14886 } else if ("permission".equals(cmd)) { 14887 if (opti >= args.length) { 14888 pw.println("Error: permission requires permission name"); 14889 return; 14890 } 14891 permissionNames = new ArraySet<>(); 14892 while (opti < args.length) { 14893 permissionNames.add(args[opti]); 14894 opti++; 14895 } 14896 dumpState.setDump(DumpState.DUMP_PERMISSIONS 14897 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 14898 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 14899 dumpState.setDump(DumpState.DUMP_PREFERRED); 14900 } else if ("preferred-xml".equals(cmd)) { 14901 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 14902 if (opti < args.length && "--full".equals(args[opti])) { 14903 fullPreferred = true; 14904 opti++; 14905 } 14906 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 14907 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 14908 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 14909 dumpState.setDump(DumpState.DUMP_PACKAGES); 14910 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 14911 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 14912 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 14913 dumpState.setDump(DumpState.DUMP_PROVIDERS); 14914 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 14915 dumpState.setDump(DumpState.DUMP_MESSAGES); 14916 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 14917 dumpState.setDump(DumpState.DUMP_VERIFIERS); 14918 } else if ("i".equals(cmd) || "ifv".equals(cmd) 14919 || "intent-filter-verifiers".equals(cmd)) { 14920 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 14921 } else if ("version".equals(cmd)) { 14922 dumpState.setDump(DumpState.DUMP_VERSION); 14923 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 14924 dumpState.setDump(DumpState.DUMP_KEYSETS); 14925 } else if ("installs".equals(cmd)) { 14926 dumpState.setDump(DumpState.DUMP_INSTALLS); 14927 } else if ("write".equals(cmd)) { 14928 synchronized (mPackages) { 14929 mSettings.writeLPr(); 14930 pw.println("Settings written."); 14931 return; 14932 } 14933 } 14934 } 14935 14936 if (checkin) { 14937 pw.println("vers,1"); 14938 } 14939 14940 // reader 14941 synchronized (mPackages) { 14942 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 14943 if (!checkin) { 14944 if (dumpState.onTitlePrinted()) 14945 pw.println(); 14946 pw.println("Database versions:"); 14947 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 14948 } 14949 } 14950 14951 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 14952 if (!checkin) { 14953 if (dumpState.onTitlePrinted()) 14954 pw.println(); 14955 pw.println("Verifiers:"); 14956 pw.print(" Required: "); 14957 pw.print(mRequiredVerifierPackage); 14958 pw.print(" (uid="); 14959 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 14960 pw.println(")"); 14961 } else if (mRequiredVerifierPackage != null) { 14962 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 14963 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 14964 } 14965 } 14966 14967 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 14968 packageName == null) { 14969 if (mIntentFilterVerifierComponent != null) { 14970 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 14971 if (!checkin) { 14972 if (dumpState.onTitlePrinted()) 14973 pw.println(); 14974 pw.println("Intent Filter Verifier:"); 14975 pw.print(" Using: "); 14976 pw.print(verifierPackageName); 14977 pw.print(" (uid="); 14978 pw.print(getPackageUid(verifierPackageName, 0)); 14979 pw.println(")"); 14980 } else if (verifierPackageName != null) { 14981 pw.print("ifv,"); pw.print(verifierPackageName); 14982 pw.print(","); pw.println(getPackageUid(verifierPackageName, 0)); 14983 } 14984 } else { 14985 pw.println(); 14986 pw.println("No Intent Filter Verifier available!"); 14987 } 14988 } 14989 14990 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 14991 boolean printedHeader = false; 14992 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 14993 while (it.hasNext()) { 14994 String name = it.next(); 14995 SharedLibraryEntry ent = mSharedLibraries.get(name); 14996 if (!checkin) { 14997 if (!printedHeader) { 14998 if (dumpState.onTitlePrinted()) 14999 pw.println(); 15000 pw.println("Libraries:"); 15001 printedHeader = true; 15002 } 15003 pw.print(" "); 15004 } else { 15005 pw.print("lib,"); 15006 } 15007 pw.print(name); 15008 if (!checkin) { 15009 pw.print(" -> "); 15010 } 15011 if (ent.path != null) { 15012 if (!checkin) { 15013 pw.print("(jar) "); 15014 pw.print(ent.path); 15015 } else { 15016 pw.print(",jar,"); 15017 pw.print(ent.path); 15018 } 15019 } else { 15020 if (!checkin) { 15021 pw.print("(apk) "); 15022 pw.print(ent.apk); 15023 } else { 15024 pw.print(",apk,"); 15025 pw.print(ent.apk); 15026 } 15027 } 15028 pw.println(); 15029 } 15030 } 15031 15032 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15033 if (dumpState.onTitlePrinted()) 15034 pw.println(); 15035 if (!checkin) { 15036 pw.println("Features:"); 15037 } 15038 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15039 while (it.hasNext()) { 15040 String name = it.next(); 15041 if (!checkin) { 15042 pw.print(" "); 15043 } else { 15044 pw.print("feat,"); 15045 } 15046 pw.println(name); 15047 } 15048 } 15049 15050 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 15051 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15052 : "Activity Resolver Table:", " ", packageName, 15053 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15054 dumpState.setTitlePrinted(true); 15055 } 15056 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15057 : "Receiver Resolver Table:", " ", packageName, 15058 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15059 dumpState.setTitlePrinted(true); 15060 } 15061 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15062 : "Service Resolver Table:", " ", packageName, 15063 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15064 dumpState.setTitlePrinted(true); 15065 } 15066 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15067 : "Provider Resolver Table:", " ", packageName, 15068 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15069 dumpState.setTitlePrinted(true); 15070 } 15071 } 15072 15073 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15074 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15075 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15076 int user = mSettings.mPreferredActivities.keyAt(i); 15077 if (pir.dump(pw, 15078 dumpState.getTitlePrinted() 15079 ? "\nPreferred Activities User " + user + ":" 15080 : "Preferred Activities User " + user + ":", " ", 15081 packageName, true, false)) { 15082 dumpState.setTitlePrinted(true); 15083 } 15084 } 15085 } 15086 15087 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15088 pw.flush(); 15089 FileOutputStream fout = new FileOutputStream(fd); 15090 BufferedOutputStream str = new BufferedOutputStream(fout); 15091 XmlSerializer serializer = new FastXmlSerializer(); 15092 try { 15093 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15094 serializer.startDocument(null, true); 15095 serializer.setFeature( 15096 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15097 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15098 serializer.endDocument(); 15099 serializer.flush(); 15100 } catch (IllegalArgumentException e) { 15101 pw.println("Failed writing: " + e); 15102 } catch (IllegalStateException e) { 15103 pw.println("Failed writing: " + e); 15104 } catch (IOException e) { 15105 pw.println("Failed writing: " + e); 15106 } 15107 } 15108 15109 if (!checkin 15110 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15111 && packageName == null) { 15112 pw.println(); 15113 int count = mSettings.mPackages.size(); 15114 if (count == 0) { 15115 pw.println("No applications!"); 15116 pw.println(); 15117 } else { 15118 final String prefix = " "; 15119 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15120 if (allPackageSettings.size() == 0) { 15121 pw.println("No domain preferred apps!"); 15122 pw.println(); 15123 } else { 15124 pw.println("App verification status:"); 15125 pw.println(); 15126 count = 0; 15127 for (PackageSetting ps : allPackageSettings) { 15128 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15129 if (ivi == null || ivi.getPackageName() == null) continue; 15130 pw.println(prefix + "Package: " + ivi.getPackageName()); 15131 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15132 pw.println(prefix + "Status: " + ivi.getStatusString()); 15133 pw.println(); 15134 count++; 15135 } 15136 if (count == 0) { 15137 pw.println(prefix + "No app verification established."); 15138 pw.println(); 15139 } 15140 for (int userId : sUserManager.getUserIds()) { 15141 pw.println("App linkages for user " + userId + ":"); 15142 pw.println(); 15143 count = 0; 15144 for (PackageSetting ps : allPackageSettings) { 15145 final long status = ps.getDomainVerificationStatusForUser(userId); 15146 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15147 continue; 15148 } 15149 pw.println(prefix + "Package: " + ps.name); 15150 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15151 String statusStr = IntentFilterVerificationInfo. 15152 getStatusStringFromValue(status); 15153 pw.println(prefix + "Status: " + statusStr); 15154 pw.println(); 15155 count++; 15156 } 15157 if (count == 0) { 15158 pw.println(prefix + "No configured app linkages."); 15159 pw.println(); 15160 } 15161 } 15162 } 15163 } 15164 } 15165 15166 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15167 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15168 if (packageName == null && permissionNames == null) { 15169 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15170 if (iperm == 0) { 15171 if (dumpState.onTitlePrinted()) 15172 pw.println(); 15173 pw.println("AppOp Permissions:"); 15174 } 15175 pw.print(" AppOp Permission "); 15176 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15177 pw.println(":"); 15178 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15179 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15180 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15181 } 15182 } 15183 } 15184 } 15185 15186 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15187 boolean printedSomething = false; 15188 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15189 if (packageName != null && !packageName.equals(p.info.packageName)) { 15190 continue; 15191 } 15192 if (!printedSomething) { 15193 if (dumpState.onTitlePrinted()) 15194 pw.println(); 15195 pw.println("Registered ContentProviders:"); 15196 printedSomething = true; 15197 } 15198 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15199 pw.print(" "); pw.println(p.toString()); 15200 } 15201 printedSomething = false; 15202 for (Map.Entry<String, PackageParser.Provider> entry : 15203 mProvidersByAuthority.entrySet()) { 15204 PackageParser.Provider p = entry.getValue(); 15205 if (packageName != null && !packageName.equals(p.info.packageName)) { 15206 continue; 15207 } 15208 if (!printedSomething) { 15209 if (dumpState.onTitlePrinted()) 15210 pw.println(); 15211 pw.println("ContentProvider Authorities:"); 15212 printedSomething = true; 15213 } 15214 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15215 pw.print(" "); pw.println(p.toString()); 15216 if (p.info != null && p.info.applicationInfo != null) { 15217 final String appInfo = p.info.applicationInfo.toString(); 15218 pw.print(" applicationInfo="); pw.println(appInfo); 15219 } 15220 } 15221 } 15222 15223 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15224 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15225 } 15226 15227 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15228 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15229 } 15230 15231 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15232 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15233 } 15234 15235 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15236 // XXX should handle packageName != null by dumping only install data that 15237 // the given package is involved with. 15238 if (dumpState.onTitlePrinted()) pw.println(); 15239 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15240 } 15241 15242 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15243 if (dumpState.onTitlePrinted()) pw.println(); 15244 mSettings.dumpReadMessagesLPr(pw, dumpState); 15245 15246 pw.println(); 15247 pw.println("Package warning messages:"); 15248 BufferedReader in = null; 15249 String line = null; 15250 try { 15251 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15252 while ((line = in.readLine()) != null) { 15253 if (line.contains("ignored: updated version")) continue; 15254 pw.println(line); 15255 } 15256 } catch (IOException ignored) { 15257 } finally { 15258 IoUtils.closeQuietly(in); 15259 } 15260 } 15261 15262 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15263 BufferedReader in = null; 15264 String line = null; 15265 try { 15266 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15267 while ((line = in.readLine()) != null) { 15268 if (line.contains("ignored: updated version")) continue; 15269 pw.print("msg,"); 15270 pw.println(line); 15271 } 15272 } catch (IOException ignored) { 15273 } finally { 15274 IoUtils.closeQuietly(in); 15275 } 15276 } 15277 } 15278 } 15279 15280 private String dumpDomainString(String packageName) { 15281 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15282 List<IntentFilter> filters = getAllIntentFilters(packageName); 15283 15284 ArraySet<String> result = new ArraySet<>(); 15285 if (iviList.size() > 0) { 15286 for (IntentFilterVerificationInfo ivi : iviList) { 15287 for (String host : ivi.getDomains()) { 15288 result.add(host); 15289 } 15290 } 15291 } 15292 if (filters != null && filters.size() > 0) { 15293 for (IntentFilter filter : filters) { 15294 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15295 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15296 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15297 result.addAll(filter.getHostsList()); 15298 } 15299 } 15300 } 15301 15302 StringBuilder sb = new StringBuilder(result.size() * 16); 15303 for (String domain : result) { 15304 if (sb.length() > 0) sb.append(" "); 15305 sb.append(domain); 15306 } 15307 return sb.toString(); 15308 } 15309 15310 // ------- apps on sdcard specific code ------- 15311 static final boolean DEBUG_SD_INSTALL = false; 15312 15313 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15314 15315 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15316 15317 private boolean mMediaMounted = false; 15318 15319 static String getEncryptKey() { 15320 try { 15321 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15322 SD_ENCRYPTION_KEYSTORE_NAME); 15323 if (sdEncKey == null) { 15324 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15325 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15326 if (sdEncKey == null) { 15327 Slog.e(TAG, "Failed to create encryption keys"); 15328 return null; 15329 } 15330 } 15331 return sdEncKey; 15332 } catch (NoSuchAlgorithmException nsae) { 15333 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 15334 return null; 15335 } catch (IOException ioe) { 15336 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 15337 return null; 15338 } 15339 } 15340 15341 /* 15342 * Update media status on PackageManager. 15343 */ 15344 @Override 15345 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 15346 int callingUid = Binder.getCallingUid(); 15347 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 15348 throw new SecurityException("Media status can only be updated by the system"); 15349 } 15350 // reader; this apparently protects mMediaMounted, but should probably 15351 // be a different lock in that case. 15352 synchronized (mPackages) { 15353 Log.i(TAG, "Updating external media status from " 15354 + (mMediaMounted ? "mounted" : "unmounted") + " to " 15355 + (mediaStatus ? "mounted" : "unmounted")); 15356 if (DEBUG_SD_INSTALL) 15357 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 15358 + ", mMediaMounted=" + mMediaMounted); 15359 if (mediaStatus == mMediaMounted) { 15360 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 15361 : 0, -1); 15362 mHandler.sendMessage(msg); 15363 return; 15364 } 15365 mMediaMounted = mediaStatus; 15366 } 15367 // Queue up an async operation since the package installation may take a 15368 // little while. 15369 mHandler.post(new Runnable() { 15370 public void run() { 15371 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 15372 } 15373 }); 15374 } 15375 15376 /** 15377 * Called by MountService when the initial ASECs to scan are available. 15378 * Should block until all the ASEC containers are finished being scanned. 15379 */ 15380 public void scanAvailableAsecs() { 15381 updateExternalMediaStatusInner(true, false, false); 15382 if (mShouldRestoreconData) { 15383 SELinuxMMAC.setRestoreconDone(); 15384 mShouldRestoreconData = false; 15385 } 15386 } 15387 15388 /* 15389 * Collect information of applications on external media, map them against 15390 * existing containers and update information based on current mount status. 15391 * Please note that we always have to report status if reportStatus has been 15392 * set to true especially when unloading packages. 15393 */ 15394 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 15395 boolean externalStorage) { 15396 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 15397 int[] uidArr = EmptyArray.INT; 15398 15399 final String[] list = PackageHelper.getSecureContainerList(); 15400 if (ArrayUtils.isEmpty(list)) { 15401 Log.i(TAG, "No secure containers found"); 15402 } else { 15403 // Process list of secure containers and categorize them 15404 // as active or stale based on their package internal state. 15405 15406 // reader 15407 synchronized (mPackages) { 15408 for (String cid : list) { 15409 // Leave stages untouched for now; installer service owns them 15410 if (PackageInstallerService.isStageName(cid)) continue; 15411 15412 if (DEBUG_SD_INSTALL) 15413 Log.i(TAG, "Processing container " + cid); 15414 String pkgName = getAsecPackageName(cid); 15415 if (pkgName == null) { 15416 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 15417 continue; 15418 } 15419 if (DEBUG_SD_INSTALL) 15420 Log.i(TAG, "Looking for pkg : " + pkgName); 15421 15422 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15423 if (ps == null) { 15424 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 15425 continue; 15426 } 15427 15428 /* 15429 * Skip packages that are not external if we're unmounting 15430 * external storage. 15431 */ 15432 if (externalStorage && !isMounted && !isExternal(ps)) { 15433 continue; 15434 } 15435 15436 final AsecInstallArgs args = new AsecInstallArgs(cid, 15437 getAppDexInstructionSets(ps), ps.isForwardLocked()); 15438 // The package status is changed only if the code path 15439 // matches between settings and the container id. 15440 if (ps.codePathString != null 15441 && ps.codePathString.startsWith(args.getCodePath())) { 15442 if (DEBUG_SD_INSTALL) { 15443 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 15444 + " at code path: " + ps.codePathString); 15445 } 15446 15447 // We do have a valid package installed on sdcard 15448 processCids.put(args, ps.codePathString); 15449 final int uid = ps.appId; 15450 if (uid != -1) { 15451 uidArr = ArrayUtils.appendInt(uidArr, uid); 15452 } 15453 } else { 15454 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 15455 + ps.codePathString); 15456 } 15457 } 15458 } 15459 15460 Arrays.sort(uidArr); 15461 } 15462 15463 // Process packages with valid entries. 15464 if (isMounted) { 15465 if (DEBUG_SD_INSTALL) 15466 Log.i(TAG, "Loading packages"); 15467 loadMediaPackages(processCids, uidArr); 15468 startCleaningPackages(); 15469 mInstallerService.onSecureContainersAvailable(); 15470 } else { 15471 if (DEBUG_SD_INSTALL) 15472 Log.i(TAG, "Unloading packages"); 15473 unloadMediaPackages(processCids, uidArr, reportStatus); 15474 } 15475 } 15476 15477 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15478 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 15479 final int size = infos.size(); 15480 final String[] packageNames = new String[size]; 15481 final int[] packageUids = new int[size]; 15482 for (int i = 0; i < size; i++) { 15483 final ApplicationInfo info = infos.get(i); 15484 packageNames[i] = info.packageName; 15485 packageUids[i] = info.uid; 15486 } 15487 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 15488 finishedReceiver); 15489 } 15490 15491 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15492 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15493 sendResourcesChangedBroadcast(mediaStatus, replacing, 15494 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 15495 } 15496 15497 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 15498 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 15499 int size = pkgList.length; 15500 if (size > 0) { 15501 // Send broadcasts here 15502 Bundle extras = new Bundle(); 15503 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 15504 if (uidArr != null) { 15505 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 15506 } 15507 if (replacing) { 15508 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 15509 } 15510 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 15511 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 15512 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 15513 } 15514 } 15515 15516 /* 15517 * Look at potentially valid container ids from processCids If package 15518 * information doesn't match the one on record or package scanning fails, 15519 * the cid is added to list of removeCids. We currently don't delete stale 15520 * containers. 15521 */ 15522 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 15523 ArrayList<String> pkgList = new ArrayList<String>(); 15524 Set<AsecInstallArgs> keys = processCids.keySet(); 15525 15526 for (AsecInstallArgs args : keys) { 15527 String codePath = processCids.get(args); 15528 if (DEBUG_SD_INSTALL) 15529 Log.i(TAG, "Loading container : " + args.cid); 15530 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15531 try { 15532 // Make sure there are no container errors first. 15533 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 15534 Slog.e(TAG, "Failed to mount cid : " + args.cid 15535 + " when installing from sdcard"); 15536 continue; 15537 } 15538 // Check code path here. 15539 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 15540 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 15541 + " does not match one in settings " + codePath); 15542 continue; 15543 } 15544 // Parse package 15545 int parseFlags = mDefParseFlags; 15546 if (args.isExternalAsec()) { 15547 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 15548 } 15549 if (args.isFwdLocked()) { 15550 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 15551 } 15552 15553 synchronized (mInstallLock) { 15554 PackageParser.Package pkg = null; 15555 try { 15556 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 15557 } catch (PackageManagerException e) { 15558 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 15559 } 15560 // Scan the package 15561 if (pkg != null) { 15562 /* 15563 * TODO why is the lock being held? doPostInstall is 15564 * called in other places without the lock. This needs 15565 * to be straightened out. 15566 */ 15567 // writer 15568 synchronized (mPackages) { 15569 retCode = PackageManager.INSTALL_SUCCEEDED; 15570 pkgList.add(pkg.packageName); 15571 // Post process args 15572 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 15573 pkg.applicationInfo.uid); 15574 } 15575 } else { 15576 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 15577 } 15578 } 15579 15580 } finally { 15581 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 15582 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 15583 } 15584 } 15585 } 15586 // writer 15587 synchronized (mPackages) { 15588 // If the platform SDK has changed since the last time we booted, 15589 // we need to re-grant app permission to catch any new ones that 15590 // appear. This is really a hack, and means that apps can in some 15591 // cases get permissions that the user didn't initially explicitly 15592 // allow... it would be nice to have some better way to handle 15593 // this situation. 15594 final VersionInfo ver = mSettings.getExternalVersion(); 15595 15596 int updateFlags = UPDATE_PERMISSIONS_ALL; 15597 if (ver.sdkVersion != mSdkVersion) { 15598 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15599 + mSdkVersion + "; regranting permissions for external"); 15600 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15601 } 15602 updatePermissionsLPw(null, null, updateFlags); 15603 15604 // Yay, everything is now upgraded 15605 ver.forceCurrent(); 15606 15607 // can downgrade to reader 15608 // Persist settings 15609 mSettings.writeLPr(); 15610 } 15611 // Send a broadcast to let everyone know we are done processing 15612 if (pkgList.size() > 0) { 15613 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 15614 } 15615 } 15616 15617 /* 15618 * Utility method to unload a list of specified containers 15619 */ 15620 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 15621 // Just unmount all valid containers. 15622 for (AsecInstallArgs arg : cidArgs) { 15623 synchronized (mInstallLock) { 15624 arg.doPostDeleteLI(false); 15625 } 15626 } 15627 } 15628 15629 /* 15630 * Unload packages mounted on external media. This involves deleting package 15631 * data from internal structures, sending broadcasts about diabled packages, 15632 * gc'ing to free up references, unmounting all secure containers 15633 * corresponding to packages on external media, and posting a 15634 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 15635 * that we always have to post this message if status has been requested no 15636 * matter what. 15637 */ 15638 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 15639 final boolean reportStatus) { 15640 if (DEBUG_SD_INSTALL) 15641 Log.i(TAG, "unloading media packages"); 15642 ArrayList<String> pkgList = new ArrayList<String>(); 15643 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 15644 final Set<AsecInstallArgs> keys = processCids.keySet(); 15645 for (AsecInstallArgs args : keys) { 15646 String pkgName = args.getPackageName(); 15647 if (DEBUG_SD_INSTALL) 15648 Log.i(TAG, "Trying to unload pkg : " + pkgName); 15649 // Delete package internally 15650 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15651 synchronized (mInstallLock) { 15652 boolean res = deletePackageLI(pkgName, null, false, null, null, 15653 PackageManager.DELETE_KEEP_DATA, outInfo, false); 15654 if (res) { 15655 pkgList.add(pkgName); 15656 } else { 15657 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 15658 failedList.add(args); 15659 } 15660 } 15661 } 15662 15663 // reader 15664 synchronized (mPackages) { 15665 // We didn't update the settings after removing each package; 15666 // write them now for all packages. 15667 mSettings.writeLPr(); 15668 } 15669 15670 // We have to absolutely send UPDATED_MEDIA_STATUS only 15671 // after confirming that all the receivers processed the ordered 15672 // broadcast when packages get disabled, force a gc to clean things up. 15673 // and unload all the containers. 15674 if (pkgList.size() > 0) { 15675 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 15676 new IIntentReceiver.Stub() { 15677 public void performReceive(Intent intent, int resultCode, String data, 15678 Bundle extras, boolean ordered, boolean sticky, 15679 int sendingUser) throws RemoteException { 15680 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 15681 reportStatus ? 1 : 0, 1, keys); 15682 mHandler.sendMessage(msg); 15683 } 15684 }); 15685 } else { 15686 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 15687 keys); 15688 mHandler.sendMessage(msg); 15689 } 15690 } 15691 15692 private void loadPrivatePackages(final VolumeInfo vol) { 15693 mHandler.post(new Runnable() { 15694 @Override 15695 public void run() { 15696 loadPrivatePackagesInner(vol); 15697 } 15698 }); 15699 } 15700 15701 private void loadPrivatePackagesInner(VolumeInfo vol) { 15702 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 15703 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 15704 15705 final VersionInfo ver; 15706 final List<PackageSetting> packages; 15707 synchronized (mPackages) { 15708 ver = mSettings.findOrCreateVersion(vol.fsUuid); 15709 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15710 } 15711 15712 for (PackageSetting ps : packages) { 15713 synchronized (mInstallLock) { 15714 final PackageParser.Package pkg; 15715 try { 15716 pkg = scanPackageLI(ps.codePath, parseFlags, SCAN_INITIAL, 0L, null); 15717 loaded.add(pkg.applicationInfo); 15718 } catch (PackageManagerException e) { 15719 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 15720 } 15721 15722 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 15723 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 15724 } 15725 } 15726 } 15727 15728 synchronized (mPackages) { 15729 int updateFlags = UPDATE_PERMISSIONS_ALL; 15730 if (ver.sdkVersion != mSdkVersion) { 15731 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 15732 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 15733 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 15734 } 15735 updatePermissionsLPw(null, null, updateFlags); 15736 15737 // Yay, everything is now upgraded 15738 ver.forceCurrent(); 15739 15740 mSettings.writeLPr(); 15741 } 15742 15743 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 15744 sendResourcesChangedBroadcast(true, false, loaded, null); 15745 } 15746 15747 private void unloadPrivatePackages(final VolumeInfo vol) { 15748 mHandler.post(new Runnable() { 15749 @Override 15750 public void run() { 15751 unloadPrivatePackagesInner(vol); 15752 } 15753 }); 15754 } 15755 15756 private void unloadPrivatePackagesInner(VolumeInfo vol) { 15757 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 15758 synchronized (mInstallLock) { 15759 synchronized (mPackages) { 15760 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 15761 for (PackageSetting ps : packages) { 15762 if (ps.pkg == null) continue; 15763 15764 final ApplicationInfo info = ps.pkg.applicationInfo; 15765 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 15766 if (deletePackageLI(ps.name, null, false, null, null, 15767 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 15768 unloaded.add(info); 15769 } else { 15770 Slog.w(TAG, "Failed to unload " + ps.codePath); 15771 } 15772 } 15773 15774 mSettings.writeLPr(); 15775 } 15776 } 15777 15778 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 15779 sendResourcesChangedBroadcast(false, false, unloaded, null); 15780 } 15781 15782 /** 15783 * Examine all users present on given mounted volume, and destroy data 15784 * belonging to users that are no longer valid, or whose user ID has been 15785 * recycled. 15786 */ 15787 private void reconcileUsers(String volumeUuid) { 15788 final File[] files = FileUtils 15789 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 15790 for (File file : files) { 15791 if (!file.isDirectory()) continue; 15792 15793 final int userId; 15794 final UserInfo info; 15795 try { 15796 userId = Integer.parseInt(file.getName()); 15797 info = sUserManager.getUserInfo(userId); 15798 } catch (NumberFormatException e) { 15799 Slog.w(TAG, "Invalid user directory " + file); 15800 continue; 15801 } 15802 15803 boolean destroyUser = false; 15804 if (info == null) { 15805 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15806 + " because no matching user was found"); 15807 destroyUser = true; 15808 } else { 15809 try { 15810 UserManagerService.enforceSerialNumber(file, info.serialNumber); 15811 } catch (IOException e) { 15812 logCriticalInfo(Log.WARN, "Destroying user directory " + file 15813 + " because we failed to enforce serial number: " + e); 15814 destroyUser = true; 15815 } 15816 } 15817 15818 if (destroyUser) { 15819 synchronized (mInstallLock) { 15820 mInstaller.removeUserDataDirs(volumeUuid, userId); 15821 } 15822 } 15823 } 15824 15825 final UserManager um = mContext.getSystemService(UserManager.class); 15826 for (UserInfo user : um.getUsers()) { 15827 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 15828 if (userDir.exists()) continue; 15829 15830 try { 15831 UserManagerService.prepareUserDirectory(mContext, volumeUuid, user.id); 15832 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 15833 } catch (IOException e) { 15834 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 15835 } 15836 } 15837 } 15838 15839 /** 15840 * Examine all apps present on given mounted volume, and destroy apps that 15841 * aren't expected, either due to uninstallation or reinstallation on 15842 * another volume. 15843 */ 15844 private void reconcileApps(String volumeUuid) { 15845 final File[] files = FileUtils 15846 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 15847 for (File file : files) { 15848 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 15849 && !PackageInstallerService.isStageName(file.getName()); 15850 if (!isPackage) { 15851 // Ignore entries which are not packages 15852 continue; 15853 } 15854 15855 boolean destroyApp = false; 15856 String packageName = null; 15857 try { 15858 final PackageLite pkg = PackageParser.parsePackageLite(file, 15859 PackageParser.PARSE_MUST_BE_APK); 15860 packageName = pkg.packageName; 15861 15862 synchronized (mPackages) { 15863 final PackageSetting ps = mSettings.mPackages.get(packageName); 15864 if (ps == null) { 15865 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 15866 + volumeUuid + " because we found no install record"); 15867 destroyApp = true; 15868 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 15869 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 15870 + volumeUuid + " because we expected it on " + ps.volumeUuid); 15871 destroyApp = true; 15872 } 15873 } 15874 15875 } catch (PackageParserException e) { 15876 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 15877 destroyApp = true; 15878 } 15879 15880 if (destroyApp) { 15881 synchronized (mInstallLock) { 15882 if (packageName != null) { 15883 removeDataDirsLI(volumeUuid, packageName); 15884 } 15885 if (file.isDirectory()) { 15886 mInstaller.rmPackageDir(file.getAbsolutePath()); 15887 } else { 15888 file.delete(); 15889 } 15890 } 15891 } 15892 } 15893 } 15894 15895 private void unfreezePackage(String packageName) { 15896 synchronized (mPackages) { 15897 final PackageSetting ps = mSettings.mPackages.get(packageName); 15898 if (ps != null) { 15899 ps.frozen = false; 15900 } 15901 } 15902 } 15903 15904 @Override 15905 public int movePackage(final String packageName, final String volumeUuid) { 15906 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 15907 15908 final int moveId = mNextMoveId.getAndIncrement(); 15909 try { 15910 movePackageInternal(packageName, volumeUuid, moveId); 15911 } catch (PackageManagerException e) { 15912 Slog.w(TAG, "Failed to move " + packageName, e); 15913 mMoveCallbacks.notifyStatusChanged(moveId, 15914 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 15915 } 15916 return moveId; 15917 } 15918 15919 private void movePackageInternal(final String packageName, final String volumeUuid, 15920 final int moveId) throws PackageManagerException { 15921 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 15922 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15923 final PackageManager pm = mContext.getPackageManager(); 15924 15925 final boolean currentAsec; 15926 final String currentVolumeUuid; 15927 final File codeFile; 15928 final String installerPackageName; 15929 final String packageAbiOverride; 15930 final int appId; 15931 final String seinfo; 15932 final String label; 15933 15934 // reader 15935 synchronized (mPackages) { 15936 final PackageParser.Package pkg = mPackages.get(packageName); 15937 final PackageSetting ps = mSettings.mPackages.get(packageName); 15938 if (pkg == null || ps == null) { 15939 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 15940 } 15941 15942 if (pkg.applicationInfo.isSystemApp()) { 15943 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 15944 "Cannot move system application"); 15945 } 15946 15947 if (pkg.applicationInfo.isExternalAsec()) { 15948 currentAsec = true; 15949 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 15950 } else if (pkg.applicationInfo.isForwardLocked()) { 15951 currentAsec = true; 15952 currentVolumeUuid = "forward_locked"; 15953 } else { 15954 currentAsec = false; 15955 currentVolumeUuid = ps.volumeUuid; 15956 15957 final File probe = new File(pkg.codePath); 15958 final File probeOat = new File(probe, "oat"); 15959 if (!probe.isDirectory() || !probeOat.isDirectory()) { 15960 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15961 "Move only supported for modern cluster style installs"); 15962 } 15963 } 15964 15965 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 15966 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 15967 "Package already moved to " + volumeUuid); 15968 } 15969 15970 if (ps.frozen) { 15971 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 15972 "Failed to move already frozen package"); 15973 } 15974 ps.frozen = true; 15975 15976 codeFile = new File(pkg.codePath); 15977 installerPackageName = ps.installerPackageName; 15978 packageAbiOverride = ps.cpuAbiOverrideString; 15979 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15980 seinfo = pkg.applicationInfo.seinfo; 15981 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 15982 } 15983 15984 // Now that we're guarded by frozen state, kill app during move 15985 final long token = Binder.clearCallingIdentity(); 15986 try { 15987 killApplication(packageName, appId, "move pkg"); 15988 } finally { 15989 Binder.restoreCallingIdentity(token); 15990 } 15991 15992 final Bundle extras = new Bundle(); 15993 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 15994 extras.putString(Intent.EXTRA_TITLE, label); 15995 mMoveCallbacks.notifyCreated(moveId, extras); 15996 15997 int installFlags; 15998 final boolean moveCompleteApp; 15999 final File measurePath; 16000 16001 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16002 installFlags = INSTALL_INTERNAL; 16003 moveCompleteApp = !currentAsec; 16004 measurePath = Environment.getDataAppDirectory(volumeUuid); 16005 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16006 installFlags = INSTALL_EXTERNAL; 16007 moveCompleteApp = false; 16008 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16009 } else { 16010 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16011 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16012 || !volume.isMountedWritable()) { 16013 unfreezePackage(packageName); 16014 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16015 "Move location not mounted private volume"); 16016 } 16017 16018 Preconditions.checkState(!currentAsec); 16019 16020 installFlags = INSTALL_INTERNAL; 16021 moveCompleteApp = true; 16022 measurePath = Environment.getDataAppDirectory(volumeUuid); 16023 } 16024 16025 final PackageStats stats = new PackageStats(null, -1); 16026 synchronized (mInstaller) { 16027 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16028 unfreezePackage(packageName); 16029 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16030 "Failed to measure package size"); 16031 } 16032 } 16033 16034 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16035 + stats.dataSize); 16036 16037 final long startFreeBytes = measurePath.getFreeSpace(); 16038 final long sizeBytes; 16039 if (moveCompleteApp) { 16040 sizeBytes = stats.codeSize + stats.dataSize; 16041 } else { 16042 sizeBytes = stats.codeSize; 16043 } 16044 16045 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16046 unfreezePackage(packageName); 16047 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16048 "Not enough free space to move"); 16049 } 16050 16051 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16052 16053 final CountDownLatch installedLatch = new CountDownLatch(1); 16054 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16055 @Override 16056 public void onUserActionRequired(Intent intent) throws RemoteException { 16057 throw new IllegalStateException(); 16058 } 16059 16060 @Override 16061 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16062 Bundle extras) throws RemoteException { 16063 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16064 + PackageManager.installStatusToString(returnCode, msg)); 16065 16066 installedLatch.countDown(); 16067 16068 // Regardless of success or failure of the move operation, 16069 // always unfreeze the package 16070 unfreezePackage(packageName); 16071 16072 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16073 switch (status) { 16074 case PackageInstaller.STATUS_SUCCESS: 16075 mMoveCallbacks.notifyStatusChanged(moveId, 16076 PackageManager.MOVE_SUCCEEDED); 16077 break; 16078 case PackageInstaller.STATUS_FAILURE_STORAGE: 16079 mMoveCallbacks.notifyStatusChanged(moveId, 16080 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16081 break; 16082 default: 16083 mMoveCallbacks.notifyStatusChanged(moveId, 16084 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16085 break; 16086 } 16087 } 16088 }; 16089 16090 final MoveInfo move; 16091 if (moveCompleteApp) { 16092 // Kick off a thread to report progress estimates 16093 new Thread() { 16094 @Override 16095 public void run() { 16096 while (true) { 16097 try { 16098 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16099 break; 16100 } 16101 } catch (InterruptedException ignored) { 16102 } 16103 16104 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16105 final int progress = 10 + (int) MathUtils.constrain( 16106 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16107 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16108 } 16109 } 16110 }.start(); 16111 16112 final String dataAppName = codeFile.getName(); 16113 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16114 dataAppName, appId, seinfo); 16115 } else { 16116 move = null; 16117 } 16118 16119 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16120 16121 final Message msg = mHandler.obtainMessage(INIT_COPY); 16122 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16123 msg.obj = new InstallParams(origin, move, installObserver, installFlags, 16124 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16125 mHandler.sendMessage(msg); 16126 } 16127 16128 @Override 16129 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16130 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16131 16132 final int realMoveId = mNextMoveId.getAndIncrement(); 16133 final Bundle extras = new Bundle(); 16134 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16135 mMoveCallbacks.notifyCreated(realMoveId, extras); 16136 16137 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16138 @Override 16139 public void onCreated(int moveId, Bundle extras) { 16140 // Ignored 16141 } 16142 16143 @Override 16144 public void onStatusChanged(int moveId, int status, long estMillis) { 16145 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16146 } 16147 }; 16148 16149 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16150 storage.setPrimaryStorageUuid(volumeUuid, callback); 16151 return realMoveId; 16152 } 16153 16154 @Override 16155 public int getMoveStatus(int moveId) { 16156 mContext.enforceCallingOrSelfPermission( 16157 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16158 return mMoveCallbacks.mLastStatus.get(moveId); 16159 } 16160 16161 @Override 16162 public void registerMoveCallback(IPackageMoveObserver callback) { 16163 mContext.enforceCallingOrSelfPermission( 16164 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16165 mMoveCallbacks.register(callback); 16166 } 16167 16168 @Override 16169 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16170 mContext.enforceCallingOrSelfPermission( 16171 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16172 mMoveCallbacks.unregister(callback); 16173 } 16174 16175 @Override 16176 public boolean setInstallLocation(int loc) { 16177 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16178 null); 16179 if (getInstallLocation() == loc) { 16180 return true; 16181 } 16182 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16183 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16184 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16185 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16186 return true; 16187 } 16188 return false; 16189 } 16190 16191 @Override 16192 public int getInstallLocation() { 16193 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 16194 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 16195 PackageHelper.APP_INSTALL_AUTO); 16196 } 16197 16198 /** Called by UserManagerService */ 16199 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 16200 mDirtyUsers.remove(userHandle); 16201 mSettings.removeUserLPw(userHandle); 16202 mPendingBroadcasts.remove(userHandle); 16203 if (mInstaller != null) { 16204 // Technically, we shouldn't be doing this with the package lock 16205 // held. However, this is very rare, and there is already so much 16206 // other disk I/O going on, that we'll let it slide for now. 16207 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16208 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16209 final String volumeUuid = vol.getFsUuid(); 16210 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 16211 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 16212 } 16213 } 16214 mUserNeedsBadging.delete(userHandle); 16215 removeUnusedPackagesLILPw(userManager, userHandle); 16216 } 16217 16218 /** 16219 * We're removing userHandle and would like to remove any downloaded packages 16220 * that are no longer in use by any other user. 16221 * @param userHandle the user being removed 16222 */ 16223 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 16224 final boolean DEBUG_CLEAN_APKS = false; 16225 int [] users = userManager.getUserIdsLPr(); 16226 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 16227 while (psit.hasNext()) { 16228 PackageSetting ps = psit.next(); 16229 if (ps.pkg == null) { 16230 continue; 16231 } 16232 final String packageName = ps.pkg.packageName; 16233 // Skip over if system app 16234 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 16235 continue; 16236 } 16237 if (DEBUG_CLEAN_APKS) { 16238 Slog.i(TAG, "Checking package " + packageName); 16239 } 16240 boolean keep = false; 16241 for (int i = 0; i < users.length; i++) { 16242 if (users[i] != userHandle && ps.getInstalled(users[i])) { 16243 keep = true; 16244 if (DEBUG_CLEAN_APKS) { 16245 Slog.i(TAG, " Keeping package " + packageName + " for user " 16246 + users[i]); 16247 } 16248 break; 16249 } 16250 } 16251 if (!keep) { 16252 if (DEBUG_CLEAN_APKS) { 16253 Slog.i(TAG, " Removing package " + packageName); 16254 } 16255 mHandler.post(new Runnable() { 16256 public void run() { 16257 deletePackageX(packageName, userHandle, 0); 16258 } //end run 16259 }); 16260 } 16261 } 16262 } 16263 16264 /** Called by UserManagerService */ 16265 void createNewUserLILPw(int userHandle) { 16266 if (mInstaller != null) { 16267 mInstaller.createUserConfig(userHandle); 16268 mSettings.createNewUserLILPw(this, mInstaller, userHandle); 16269 applyFactoryDefaultBrowserLPw(userHandle); 16270 primeDomainVerificationsLPw(userHandle); 16271 } 16272 } 16273 16274 void newUserCreated(final int userHandle) { 16275 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 16276 } 16277 16278 @Override 16279 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 16280 mContext.enforceCallingOrSelfPermission( 16281 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 16282 "Only package verification agents can read the verifier device identity"); 16283 16284 synchronized (mPackages) { 16285 return mSettings.getVerifierDeviceIdentityLPw(); 16286 } 16287 } 16288 16289 @Override 16290 public void setPermissionEnforced(String permission, boolean enforced) { 16291 // TODO: Now that we no longer change GID for storage, this should to away. 16292 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 16293 "setPermissionEnforced"); 16294 if (READ_EXTERNAL_STORAGE.equals(permission)) { 16295 synchronized (mPackages) { 16296 if (mSettings.mReadExternalStorageEnforced == null 16297 || mSettings.mReadExternalStorageEnforced != enforced) { 16298 mSettings.mReadExternalStorageEnforced = enforced; 16299 mSettings.writeLPr(); 16300 } 16301 } 16302 // kill any non-foreground processes so we restart them and 16303 // grant/revoke the GID. 16304 final IActivityManager am = ActivityManagerNative.getDefault(); 16305 if (am != null) { 16306 final long token = Binder.clearCallingIdentity(); 16307 try { 16308 am.killProcessesBelowForeground("setPermissionEnforcement"); 16309 } catch (RemoteException e) { 16310 } finally { 16311 Binder.restoreCallingIdentity(token); 16312 } 16313 } 16314 } else { 16315 throw new IllegalArgumentException("No selective enforcement for " + permission); 16316 } 16317 } 16318 16319 @Override 16320 @Deprecated 16321 public boolean isPermissionEnforced(String permission) { 16322 return true; 16323 } 16324 16325 @Override 16326 public boolean isStorageLow() { 16327 final long token = Binder.clearCallingIdentity(); 16328 try { 16329 final DeviceStorageMonitorInternal 16330 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 16331 if (dsm != null) { 16332 return dsm.isMemoryLow(); 16333 } else { 16334 return false; 16335 } 16336 } finally { 16337 Binder.restoreCallingIdentity(token); 16338 } 16339 } 16340 16341 @Override 16342 public IPackageInstaller getPackageInstaller() { 16343 return mInstallerService; 16344 } 16345 16346 private boolean userNeedsBadging(int userId) { 16347 int index = mUserNeedsBadging.indexOfKey(userId); 16348 if (index < 0) { 16349 final UserInfo userInfo; 16350 final long token = Binder.clearCallingIdentity(); 16351 try { 16352 userInfo = sUserManager.getUserInfo(userId); 16353 } finally { 16354 Binder.restoreCallingIdentity(token); 16355 } 16356 final boolean b; 16357 if (userInfo != null && userInfo.isManagedProfile()) { 16358 b = true; 16359 } else { 16360 b = false; 16361 } 16362 mUserNeedsBadging.put(userId, b); 16363 return b; 16364 } 16365 return mUserNeedsBadging.valueAt(index); 16366 } 16367 16368 @Override 16369 public KeySet getKeySetByAlias(String packageName, String alias) { 16370 if (packageName == null || alias == null) { 16371 return null; 16372 } 16373 synchronized(mPackages) { 16374 final PackageParser.Package pkg = mPackages.get(packageName); 16375 if (pkg == null) { 16376 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16377 throw new IllegalArgumentException("Unknown package: " + packageName); 16378 } 16379 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16380 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 16381 } 16382 } 16383 16384 @Override 16385 public KeySet getSigningKeySet(String packageName) { 16386 if (packageName == null) { 16387 return null; 16388 } 16389 synchronized(mPackages) { 16390 final PackageParser.Package pkg = mPackages.get(packageName); 16391 if (pkg == null) { 16392 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16393 throw new IllegalArgumentException("Unknown package: " + packageName); 16394 } 16395 if (pkg.applicationInfo.uid != Binder.getCallingUid() 16396 && Process.SYSTEM_UID != Binder.getCallingUid()) { 16397 throw new SecurityException("May not access signing KeySet of other apps."); 16398 } 16399 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16400 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 16401 } 16402 } 16403 16404 @Override 16405 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 16406 if (packageName == null || ks == null) { 16407 return false; 16408 } 16409 synchronized(mPackages) { 16410 final PackageParser.Package pkg = mPackages.get(packageName); 16411 if (pkg == null) { 16412 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16413 throw new IllegalArgumentException("Unknown package: " + packageName); 16414 } 16415 IBinder ksh = ks.getToken(); 16416 if (ksh instanceof KeySetHandle) { 16417 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16418 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 16419 } 16420 return false; 16421 } 16422 } 16423 16424 @Override 16425 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 16426 if (packageName == null || ks == null) { 16427 return false; 16428 } 16429 synchronized(mPackages) { 16430 final PackageParser.Package pkg = mPackages.get(packageName); 16431 if (pkg == null) { 16432 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 16433 throw new IllegalArgumentException("Unknown package: " + packageName); 16434 } 16435 IBinder ksh = ks.getToken(); 16436 if (ksh instanceof KeySetHandle) { 16437 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16438 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 16439 } 16440 return false; 16441 } 16442 } 16443 16444 public void getUsageStatsIfNoPackageUsageInfo() { 16445 if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { 16446 UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); 16447 if (usm == null) { 16448 throw new IllegalStateException("UsageStatsManager must be initialized"); 16449 } 16450 long now = System.currentTimeMillis(); 16451 Map<String, UsageStats> stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); 16452 for (Map.Entry<String, UsageStats> entry : stats.entrySet()) { 16453 String packageName = entry.getKey(); 16454 PackageParser.Package pkg = mPackages.get(packageName); 16455 if (pkg == null) { 16456 continue; 16457 } 16458 UsageStats usage = entry.getValue(); 16459 pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); 16460 mPackageUsage.mIsHistoricalPackageUsageAvailable = true; 16461 } 16462 } 16463 } 16464 16465 /** 16466 * Check and throw if the given before/after packages would be considered a 16467 * downgrade. 16468 */ 16469 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 16470 throws PackageManagerException { 16471 if (after.versionCode < before.mVersionCode) { 16472 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16473 "Update version code " + after.versionCode + " is older than current " 16474 + before.mVersionCode); 16475 } else if (after.versionCode == before.mVersionCode) { 16476 if (after.baseRevisionCode < before.baseRevisionCode) { 16477 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16478 "Update base revision code " + after.baseRevisionCode 16479 + " is older than current " + before.baseRevisionCode); 16480 } 16481 16482 if (!ArrayUtils.isEmpty(after.splitNames)) { 16483 for (int i = 0; i < after.splitNames.length; i++) { 16484 final String splitName = after.splitNames[i]; 16485 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 16486 if (j != -1) { 16487 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 16488 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 16489 "Update split " + splitName + " revision code " 16490 + after.splitRevisionCodes[i] + " is older than current " 16491 + before.splitRevisionCodes[j]); 16492 } 16493 } 16494 } 16495 } 16496 } 16497 } 16498 16499 private static class MoveCallbacks extends Handler { 16500 private static final int MSG_CREATED = 1; 16501 private static final int MSG_STATUS_CHANGED = 2; 16502 16503 private final RemoteCallbackList<IPackageMoveObserver> 16504 mCallbacks = new RemoteCallbackList<>(); 16505 16506 private final SparseIntArray mLastStatus = new SparseIntArray(); 16507 16508 public MoveCallbacks(Looper looper) { 16509 super(looper); 16510 } 16511 16512 public void register(IPackageMoveObserver callback) { 16513 mCallbacks.register(callback); 16514 } 16515 16516 public void unregister(IPackageMoveObserver callback) { 16517 mCallbacks.unregister(callback); 16518 } 16519 16520 @Override 16521 public void handleMessage(Message msg) { 16522 final SomeArgs args = (SomeArgs) msg.obj; 16523 final int n = mCallbacks.beginBroadcast(); 16524 for (int i = 0; i < n; i++) { 16525 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 16526 try { 16527 invokeCallback(callback, msg.what, args); 16528 } catch (RemoteException ignored) { 16529 } 16530 } 16531 mCallbacks.finishBroadcast(); 16532 args.recycle(); 16533 } 16534 16535 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 16536 throws RemoteException { 16537 switch (what) { 16538 case MSG_CREATED: { 16539 callback.onCreated(args.argi1, (Bundle) args.arg2); 16540 break; 16541 } 16542 case MSG_STATUS_CHANGED: { 16543 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 16544 break; 16545 } 16546 } 16547 } 16548 16549 private void notifyCreated(int moveId, Bundle extras) { 16550 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 16551 16552 final SomeArgs args = SomeArgs.obtain(); 16553 args.argi1 = moveId; 16554 args.arg2 = extras; 16555 obtainMessage(MSG_CREATED, args).sendToTarget(); 16556 } 16557 16558 private void notifyStatusChanged(int moveId, int status) { 16559 notifyStatusChanged(moveId, status, -1); 16560 } 16561 16562 private void notifyStatusChanged(int moveId, int status, long estMillis) { 16563 Slog.v(TAG, "Move " + moveId + " status " + status); 16564 16565 final SomeArgs args = SomeArgs.obtain(); 16566 args.argi1 = moveId; 16567 args.argi2 = status; 16568 args.arg3 = estMillis; 16569 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 16570 16571 synchronized (mLastStatus) { 16572 mLastStatus.put(moveId, status); 16573 } 16574 } 16575 } 16576 16577 private final class OnPermissionChangeListeners extends Handler { 16578 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 16579 16580 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 16581 new RemoteCallbackList<>(); 16582 16583 public OnPermissionChangeListeners(Looper looper) { 16584 super(looper); 16585 } 16586 16587 @Override 16588 public void handleMessage(Message msg) { 16589 switch (msg.what) { 16590 case MSG_ON_PERMISSIONS_CHANGED: { 16591 final int uid = msg.arg1; 16592 handleOnPermissionsChanged(uid); 16593 } break; 16594 } 16595 } 16596 16597 public void addListenerLocked(IOnPermissionsChangeListener listener) { 16598 mPermissionListeners.register(listener); 16599 16600 } 16601 16602 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 16603 mPermissionListeners.unregister(listener); 16604 } 16605 16606 public void onPermissionsChanged(int uid) { 16607 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 16608 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 16609 } 16610 } 16611 16612 private void handleOnPermissionsChanged(int uid) { 16613 final int count = mPermissionListeners.beginBroadcast(); 16614 try { 16615 for (int i = 0; i < count; i++) { 16616 IOnPermissionsChangeListener callback = mPermissionListeners 16617 .getBroadcastItem(i); 16618 try { 16619 callback.onPermissionsChanged(uid); 16620 } catch (RemoteException e) { 16621 Log.e(TAG, "Permission listener is dead", e); 16622 } 16623 } 16624 } finally { 16625 mPermissionListeners.finishBroadcast(); 16626 } 16627 } 16628 } 16629 16630 private class PackageManagerInternalImpl extends PackageManagerInternal { 16631 @Override 16632 public void setLocationPackagesProvider(PackagesProvider provider) { 16633 synchronized (mPackages) { 16634 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 16635 } 16636 } 16637 16638 @Override 16639 public void setImePackagesProvider(PackagesProvider provider) { 16640 synchronized (mPackages) { 16641 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 16642 } 16643 } 16644 16645 @Override 16646 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 16647 synchronized (mPackages) { 16648 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 16649 } 16650 } 16651 16652 @Override 16653 public void setSmsAppPackagesProvider(PackagesProvider provider) { 16654 synchronized (mPackages) { 16655 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 16656 } 16657 } 16658 16659 @Override 16660 public void setDialerAppPackagesProvider(PackagesProvider provider) { 16661 synchronized (mPackages) { 16662 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 16663 } 16664 } 16665 16666 @Override 16667 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 16668 synchronized (mPackages) { 16669 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 16670 } 16671 } 16672 16673 @Override 16674 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 16675 synchronized (mPackages) { 16676 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 16677 } 16678 } 16679 16680 @Override 16681 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 16682 synchronized (mPackages) { 16683 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 16684 packageName, userId); 16685 } 16686 } 16687 16688 @Override 16689 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 16690 synchronized (mPackages) { 16691 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 16692 packageName, userId); 16693 } 16694 } 16695 @Override 16696 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 16697 synchronized (mPackages) { 16698 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 16699 packageName, userId); 16700 } 16701 } 16702 } 16703 16704 @Override 16705 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 16706 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 16707 synchronized (mPackages) { 16708 final long identity = Binder.clearCallingIdentity(); 16709 try { 16710 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 16711 packageNames, userId); 16712 } finally { 16713 Binder.restoreCallingIdentity(identity); 16714 } 16715 } 16716 } 16717 16718 private static void enforceSystemOrPhoneCaller(String tag) { 16719 int callingUid = Binder.getCallingUid(); 16720 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 16721 throw new SecurityException( 16722 "Cannot call " + tag + " from UID " + callingUid); 16723 } 16724 } 16725} 16726