PackageManagerService.java revision 726c45970e35e3fff3eeb4d86c3b772db73adcc7
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.DELETE_KEEP_DATA; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 35import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 36import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 37import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 39import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 41import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 46import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 47import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 48import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 54import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 55import static android.content.pm.PackageManager.INSTALL_INTERNAL; 56import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 62import static android.content.pm.PackageManager.MATCH_ALL; 63import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 64import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 65import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 66import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 67import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 68import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 69import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 70import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 71import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 72import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 73import static android.content.pm.PackageManager.PERMISSION_DENIED; 74import static android.content.pm.PackageManager.PERMISSION_GRANTED; 75import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 76import static android.content.pm.PackageParser.isApkFile; 77import static android.os.Process.PACKAGE_INFO_GID; 78import static android.os.Process.SYSTEM_UID; 79import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 80import static android.system.OsConstants.O_CREAT; 81import static android.system.OsConstants.O_RDWR; 82 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 84import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 85import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 86import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 87import static com.android.internal.util.ArrayUtils.appendInt; 88import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 89import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 91import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 92import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 93import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 94import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 95import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 97 98import android.Manifest; 99import android.annotation.NonNull; 100import android.annotation.Nullable; 101import android.app.ActivityManager; 102import android.app.ActivityManagerNative; 103import android.app.IActivityManager; 104import android.app.admin.IDevicePolicyManager; 105import android.app.backup.IBackupManager; 106import android.content.BroadcastReceiver; 107import android.content.ComponentName; 108import android.content.Context; 109import android.content.IIntentReceiver; 110import android.content.Intent; 111import android.content.IntentFilter; 112import android.content.IntentSender; 113import android.content.IntentSender.SendIntentException; 114import android.content.ServiceConnection; 115import android.content.pm.ActivityInfo; 116import android.content.pm.ApplicationInfo; 117import android.content.pm.AppsQueryHelper; 118import android.content.pm.ComponentInfo; 119import android.content.pm.EphemeralApplicationInfo; 120import android.content.pm.EphemeralResolveInfo; 121import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 122import android.content.pm.FeatureInfo; 123import android.content.pm.IOnPermissionsChangeListener; 124import android.content.pm.IPackageDataObserver; 125import android.content.pm.IPackageDeleteObserver; 126import android.content.pm.IPackageDeleteObserver2; 127import android.content.pm.IPackageInstallObserver2; 128import android.content.pm.IPackageInstaller; 129import android.content.pm.IPackageManager; 130import android.content.pm.IPackageMoveObserver; 131import android.content.pm.IPackageStatsObserver; 132import android.content.pm.InstrumentationInfo; 133import android.content.pm.IntentFilterVerificationInfo; 134import android.content.pm.KeySet; 135import android.content.pm.PackageCleanItem; 136import android.content.pm.PackageInfo; 137import android.content.pm.PackageInfoLite; 138import android.content.pm.PackageInstaller; 139import android.content.pm.PackageManager; 140import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 141import android.content.pm.PackageManagerInternal; 142import android.content.pm.PackageParser; 143import android.content.pm.PackageParser.ActivityIntentInfo; 144import android.content.pm.PackageParser.PackageLite; 145import android.content.pm.PackageParser.PackageParserException; 146import android.content.pm.PackageStats; 147import android.content.pm.PackageUserState; 148import android.content.pm.ParceledListSlice; 149import android.content.pm.PermissionGroupInfo; 150import android.content.pm.PermissionInfo; 151import android.content.pm.ProviderInfo; 152import android.content.pm.ResolveInfo; 153import android.content.pm.ServiceInfo; 154import android.content.pm.Signature; 155import android.content.pm.UserInfo; 156import android.content.pm.VerificationParams; 157import android.content.pm.VerifierDeviceIdentity; 158import android.content.pm.VerifierInfo; 159import android.content.res.Resources; 160import android.graphics.Bitmap; 161import android.hardware.display.DisplayManager; 162import android.net.Uri; 163import android.os.Binder; 164import android.os.Build; 165import android.os.Bundle; 166import android.os.Debug; 167import android.os.Environment; 168import android.os.Environment.UserEnvironment; 169import android.os.FileUtils; 170import android.os.Handler; 171import android.os.IBinder; 172import android.os.Looper; 173import android.os.Message; 174import android.os.Parcel; 175import android.os.ParcelFileDescriptor; 176import android.os.Process; 177import android.os.RemoteCallbackList; 178import android.os.RemoteException; 179import android.os.ResultReceiver; 180import android.os.SELinux; 181import android.os.ServiceManager; 182import android.os.SystemClock; 183import android.os.SystemProperties; 184import android.os.Trace; 185import android.os.UserHandle; 186import android.os.UserManager; 187import android.os.storage.IMountService; 188import android.os.storage.MountServiceInternal; 189import android.os.storage.StorageEventListener; 190import android.os.storage.StorageManager; 191import android.os.storage.VolumeInfo; 192import android.os.storage.VolumeRecord; 193import android.security.KeyStore; 194import android.security.SystemKeyStore; 195import android.system.ErrnoException; 196import android.system.Os; 197import android.text.TextUtils; 198import android.text.format.DateUtils; 199import android.util.ArrayMap; 200import android.util.ArraySet; 201import android.util.AtomicFile; 202import android.util.DisplayMetrics; 203import android.util.EventLog; 204import android.util.ExceptionUtils; 205import android.util.Log; 206import android.util.LogPrinter; 207import android.util.MathUtils; 208import android.util.PrintStreamPrinter; 209import android.util.Slog; 210import android.util.SparseArray; 211import android.util.SparseBooleanArray; 212import android.util.SparseIntArray; 213import android.util.Xml; 214import android.view.Display; 215 216import com.android.internal.R; 217import com.android.internal.annotations.GuardedBy; 218import com.android.internal.app.IMediaContainerService; 219import com.android.internal.app.ResolverActivity; 220import com.android.internal.content.NativeLibraryHelper; 221import com.android.internal.content.PackageHelper; 222import com.android.internal.os.IParcelFileDescriptorFactory; 223import com.android.internal.os.InstallerConnection.InstallerException; 224import com.android.internal.os.SomeArgs; 225import com.android.internal.os.Zygote; 226import com.android.internal.util.ArrayUtils; 227import com.android.internal.util.FastPrintWriter; 228import com.android.internal.util.FastXmlSerializer; 229import com.android.internal.util.IndentingPrintWriter; 230import com.android.internal.util.Preconditions; 231import com.android.internal.util.XmlUtils; 232import com.android.server.EventLogTags; 233import com.android.server.FgThread; 234import com.android.server.IntentResolver; 235import com.android.server.LocalServices; 236import com.android.server.ServiceThread; 237import com.android.server.SystemConfig; 238import com.android.server.Watchdog; 239import com.android.server.pm.PermissionsState.PermissionState; 240import com.android.server.pm.Settings.DatabaseVersion; 241import com.android.server.pm.Settings.VersionInfo; 242import com.android.server.storage.DeviceStorageMonitorInternal; 243 244import dalvik.system.DexFile; 245import dalvik.system.VMRuntime; 246 247import libcore.io.IoUtils; 248import libcore.util.EmptyArray; 249 250import org.xmlpull.v1.XmlPullParser; 251import org.xmlpull.v1.XmlPullParserException; 252import org.xmlpull.v1.XmlSerializer; 253 254import java.io.BufferedInputStream; 255import java.io.BufferedOutputStream; 256import java.io.BufferedReader; 257import java.io.ByteArrayInputStream; 258import java.io.ByteArrayOutputStream; 259import java.io.File; 260import java.io.FileDescriptor; 261import java.io.FileNotFoundException; 262import java.io.FileOutputStream; 263import java.io.FileReader; 264import java.io.FilenameFilter; 265import java.io.IOException; 266import java.io.InputStream; 267import java.io.PrintWriter; 268import java.nio.charset.StandardCharsets; 269import java.security.MessageDigest; 270import java.security.NoSuchAlgorithmException; 271import java.security.PublicKey; 272import java.security.cert.CertificateEncodingException; 273import java.security.cert.CertificateException; 274import java.text.SimpleDateFormat; 275import java.util.ArrayList; 276import java.util.Arrays; 277import java.util.Collection; 278import java.util.Collections; 279import java.util.Comparator; 280import java.util.Date; 281import java.util.HashSet; 282import java.util.Iterator; 283import java.util.List; 284import java.util.Map; 285import java.util.Objects; 286import java.util.Set; 287import java.util.concurrent.CountDownLatch; 288import java.util.concurrent.TimeUnit; 289import java.util.concurrent.atomic.AtomicBoolean; 290import java.util.concurrent.atomic.AtomicInteger; 291import java.util.concurrent.atomic.AtomicLong; 292 293/** 294 * Keep track of all those .apks everywhere. 295 * 296 * This is very central to the platform's security; please run the unit 297 * tests whenever making modifications here: 298 * 299runtest -c android.content.pm.PackageManagerTests frameworks-core 300 * 301 * {@hide} 302 */ 303public class PackageManagerService extends IPackageManager.Stub { 304 static final String TAG = "PackageManager"; 305 static final boolean DEBUG_SETTINGS = false; 306 static final boolean DEBUG_PREFERRED = false; 307 static final boolean DEBUG_UPGRADE = false; 308 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 309 private static final boolean DEBUG_BACKUP = false; 310 private static final boolean DEBUG_INSTALL = false; 311 private static final boolean DEBUG_REMOVE = false; 312 private static final boolean DEBUG_BROADCASTS = false; 313 private static final boolean DEBUG_SHOW_INFO = false; 314 private static final boolean DEBUG_PACKAGE_INFO = false; 315 private static final boolean DEBUG_INTENT_MATCHING = false; 316 private static final boolean DEBUG_PACKAGE_SCANNING = false; 317 private static final boolean DEBUG_VERIFY = false; 318 319 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 320 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 321 // user, but by default initialize to this. 322 static final boolean DEBUG_DEXOPT = false; 323 324 private static final boolean DEBUG_ABI_SELECTION = false; 325 private static final boolean DEBUG_EPHEMERAL = false; 326 private static final boolean DEBUG_TRIAGED_MISSING = false; 327 private static final boolean DEBUG_APP_DATA = false; 328 329 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 330 331 private static final boolean DISABLE_EPHEMERAL_APPS = true; 332 333 private static final int RADIO_UID = Process.PHONE_UID; 334 private static final int LOG_UID = Process.LOG_UID; 335 private static final int NFC_UID = Process.NFC_UID; 336 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 337 private static final int SHELL_UID = Process.SHELL_UID; 338 339 // Cap the size of permission trees that 3rd party apps can define 340 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 341 342 // Suffix used during package installation when copying/moving 343 // package apks to install directory. 344 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 345 346 static final int SCAN_NO_DEX = 1<<1; 347 static final int SCAN_FORCE_DEX = 1<<2; 348 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 349 static final int SCAN_NEW_INSTALL = 1<<4; 350 static final int SCAN_NO_PATHS = 1<<5; 351 static final int SCAN_UPDATE_TIME = 1<<6; 352 static final int SCAN_DEFER_DEX = 1<<7; 353 static final int SCAN_BOOTING = 1<<8; 354 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 355 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 356 static final int SCAN_REPLACING = 1<<11; 357 static final int SCAN_REQUIRE_KNOWN = 1<<12; 358 static final int SCAN_MOVE = 1<<13; 359 static final int SCAN_INITIAL = 1<<14; 360 static final int SCAN_CHECK_ONLY = 1<<15; 361 362 static final int REMOVE_CHATTY = 1<<16; 363 364 private static final int[] EMPTY_INT_ARRAY = new int[0]; 365 366 /** 367 * Timeout (in milliseconds) after which the watchdog should declare that 368 * our handler thread is wedged. The usual default for such things is one 369 * minute but we sometimes do very lengthy I/O operations on this thread, 370 * such as installing multi-gigabyte applications, so ours needs to be longer. 371 */ 372 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 373 374 /** 375 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 376 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 377 * settings entry if available, otherwise we use the hardcoded default. If it's been 378 * more than this long since the last fstrim, we force one during the boot sequence. 379 * 380 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 381 * one gets run at the next available charging+idle time. This final mandatory 382 * no-fstrim check kicks in only of the other scheduling criteria is never met. 383 */ 384 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 385 386 /** 387 * Whether verification is enabled by default. 388 */ 389 private static final boolean DEFAULT_VERIFY_ENABLE = true; 390 391 /** 392 * The default maximum time to wait for the verification agent to return in 393 * milliseconds. 394 */ 395 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 396 397 /** 398 * The default response for package verification timeout. 399 * 400 * This can be either PackageManager.VERIFICATION_ALLOW or 401 * PackageManager.VERIFICATION_REJECT. 402 */ 403 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 404 405 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 406 407 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 408 DEFAULT_CONTAINER_PACKAGE, 409 "com.android.defcontainer.DefaultContainerService"); 410 411 private static final String KILL_APP_REASON_GIDS_CHANGED = 412 "permission grant or revoke changed gids"; 413 414 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 415 "permissions revoked"; 416 417 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 418 419 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 420 421 /** Permission grant: not grant the permission. */ 422 private static final int GRANT_DENIED = 1; 423 424 /** Permission grant: grant the permission as an install permission. */ 425 private static final int GRANT_INSTALL = 2; 426 427 /** Permission grant: grant the permission as a runtime one. */ 428 private static final int GRANT_RUNTIME = 3; 429 430 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 431 private static final int GRANT_UPGRADE = 4; 432 433 /** Canonical intent used to identify what counts as a "web browser" app */ 434 private static final Intent sBrowserIntent; 435 static { 436 sBrowserIntent = new Intent(); 437 sBrowserIntent.setAction(Intent.ACTION_VIEW); 438 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 439 sBrowserIntent.setData(Uri.parse("http:")); 440 } 441 442 final ServiceThread mHandlerThread; 443 444 final PackageHandler mHandler; 445 446 /** 447 * Messages for {@link #mHandler} that need to wait for system ready before 448 * being dispatched. 449 */ 450 private ArrayList<Message> mPostSystemReadyMessages; 451 452 final int mSdkVersion = Build.VERSION.SDK_INT; 453 454 final Context mContext; 455 final boolean mFactoryTest; 456 final boolean mOnlyCore; 457 final DisplayMetrics mMetrics; 458 final int mDefParseFlags; 459 final String[] mSeparateProcesses; 460 final boolean mIsUpgrade; 461 462 /** The location for ASEC container files on internal storage. */ 463 final String mAsecInternalPath; 464 465 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 466 // LOCK HELD. Can be called with mInstallLock held. 467 @GuardedBy("mInstallLock") 468 final Installer mInstaller; 469 470 /** Directory where installed third-party apps stored */ 471 final File mAppInstallDir; 472 final File mEphemeralInstallDir; 473 474 /** 475 * Directory to which applications installed internally have their 476 * 32 bit native libraries copied. 477 */ 478 private File mAppLib32InstallDir; 479 480 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 481 // apps. 482 final File mDrmAppPrivateInstallDir; 483 484 // ---------------------------------------------------------------- 485 486 // Lock for state used when installing and doing other long running 487 // operations. Methods that must be called with this lock held have 488 // the suffix "LI". 489 final Object mInstallLock = new Object(); 490 491 // ---------------------------------------------------------------- 492 493 // Keys are String (package name), values are Package. This also serves 494 // as the lock for the global state. Methods that must be called with 495 // this lock held have the prefix "LP". 496 @GuardedBy("mPackages") 497 final ArrayMap<String, PackageParser.Package> mPackages = 498 new ArrayMap<String, PackageParser.Package>(); 499 500 // Tracks available target package names -> overlay package paths. 501 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 502 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 503 504 /** 505 * Tracks new system packages [received in an OTA] that we expect to 506 * find updated user-installed versions. Keys are package name, values 507 * are package location. 508 */ 509 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 510 511 /** 512 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 513 */ 514 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 515 /** 516 * Whether or not system app permissions should be promoted from install to runtime. 517 */ 518 boolean mPromoteSystemApps; 519 520 final Settings mSettings; 521 boolean mRestoredSettings; 522 523 // System configuration read by SystemConfig. 524 final int[] mGlobalGids; 525 final SparseArray<ArraySet<String>> mSystemPermissions; 526 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 527 528 // If mac_permissions.xml was found for seinfo labeling. 529 boolean mFoundPolicyFile; 530 531 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 532 533 public static final class SharedLibraryEntry { 534 public final String path; 535 public final String apk; 536 537 SharedLibraryEntry(String _path, String _apk) { 538 path = _path; 539 apk = _apk; 540 } 541 } 542 543 // Currently known shared libraries. 544 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 545 new ArrayMap<String, SharedLibraryEntry>(); 546 547 // All available activities, for your resolving pleasure. 548 final ActivityIntentResolver mActivities = 549 new ActivityIntentResolver(); 550 551 // All available receivers, for your resolving pleasure. 552 final ActivityIntentResolver mReceivers = 553 new ActivityIntentResolver(); 554 555 // All available services, for your resolving pleasure. 556 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 557 558 // All available providers, for your resolving pleasure. 559 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 560 561 // Mapping from provider base names (first directory in content URI codePath) 562 // to the provider information. 563 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 564 new ArrayMap<String, PackageParser.Provider>(); 565 566 // Mapping from instrumentation class names to info about them. 567 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 568 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 569 570 // Mapping from permission names to info about them. 571 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 572 new ArrayMap<String, PackageParser.PermissionGroup>(); 573 574 // Packages whose data we have transfered into another package, thus 575 // should no longer exist. 576 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 577 578 // Broadcast actions that are only available to the system. 579 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 580 581 /** List of packages waiting for verification. */ 582 final SparseArray<PackageVerificationState> mPendingVerification 583 = new SparseArray<PackageVerificationState>(); 584 585 /** Set of packages associated with each app op permission. */ 586 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 587 588 final PackageInstallerService mInstallerService; 589 590 private final PackageDexOptimizer mPackageDexOptimizer; 591 592 private AtomicInteger mNextMoveId = new AtomicInteger(); 593 private final MoveCallbacks mMoveCallbacks; 594 595 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 596 597 // Cache of users who need badging. 598 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 599 600 /** Token for keys in mPendingVerification. */ 601 private int mPendingVerificationToken = 0; 602 603 volatile boolean mSystemReady; 604 volatile boolean mSafeMode; 605 volatile boolean mHasSystemUidErrors; 606 607 ApplicationInfo mAndroidApplication; 608 final ActivityInfo mResolveActivity = new ActivityInfo(); 609 final ResolveInfo mResolveInfo = new ResolveInfo(); 610 ComponentName mResolveComponentName; 611 PackageParser.Package mPlatformPackage; 612 ComponentName mCustomResolverComponentName; 613 614 boolean mResolverReplaced = false; 615 616 private final @Nullable ComponentName mIntentFilterVerifierComponent; 617 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 618 619 private int mIntentFilterVerificationToken = 0; 620 621 /** Component that knows whether or not an ephemeral application exists */ 622 final ComponentName mEphemeralResolverComponent; 623 /** The service connection to the ephemeral resolver */ 624 final EphemeralResolverConnection mEphemeralResolverConnection; 625 626 /** Component used to install ephemeral applications */ 627 final ComponentName mEphemeralInstallerComponent; 628 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 629 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 630 631 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 632 = new SparseArray<IntentFilterVerificationState>(); 633 634 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 635 new DefaultPermissionGrantPolicy(this); 636 637 // List of packages names to keep cached, even if they are uninstalled for all users 638 private List<String> mKeepUninstalledPackages; 639 640 private boolean mUseJitProfiles = 641 SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false); 642 643 private static class IFVerificationParams { 644 PackageParser.Package pkg; 645 boolean replacing; 646 int userId; 647 int verifierUid; 648 649 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 650 int _userId, int _verifierUid) { 651 pkg = _pkg; 652 replacing = _replacing; 653 userId = _userId; 654 replacing = _replacing; 655 verifierUid = _verifierUid; 656 } 657 } 658 659 private interface IntentFilterVerifier<T extends IntentFilter> { 660 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 661 T filter, String packageName); 662 void startVerifications(int userId); 663 void receiveVerificationResponse(int verificationId); 664 } 665 666 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 667 private Context mContext; 668 private ComponentName mIntentFilterVerifierComponent; 669 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 670 671 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 672 mContext = context; 673 mIntentFilterVerifierComponent = verifierComponent; 674 } 675 676 private String getDefaultScheme() { 677 return IntentFilter.SCHEME_HTTPS; 678 } 679 680 @Override 681 public void startVerifications(int userId) { 682 // Launch verifications requests 683 int count = mCurrentIntentFilterVerifications.size(); 684 for (int n=0; n<count; n++) { 685 int verificationId = mCurrentIntentFilterVerifications.get(n); 686 final IntentFilterVerificationState ivs = 687 mIntentFilterVerificationStates.get(verificationId); 688 689 String packageName = ivs.getPackageName(); 690 691 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 692 final int filterCount = filters.size(); 693 ArraySet<String> domainsSet = new ArraySet<>(); 694 for (int m=0; m<filterCount; m++) { 695 PackageParser.ActivityIntentInfo filter = filters.get(m); 696 domainsSet.addAll(filter.getHostsList()); 697 } 698 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 699 synchronized (mPackages) { 700 if (mSettings.createIntentFilterVerificationIfNeededLPw( 701 packageName, domainsList) != null) { 702 scheduleWriteSettingsLocked(); 703 } 704 } 705 sendVerificationRequest(userId, verificationId, ivs); 706 } 707 mCurrentIntentFilterVerifications.clear(); 708 } 709 710 private void sendVerificationRequest(int userId, int verificationId, 711 IntentFilterVerificationState ivs) { 712 713 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 714 verificationIntent.putExtra( 715 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 716 verificationId); 717 verificationIntent.putExtra( 718 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 719 getDefaultScheme()); 720 verificationIntent.putExtra( 721 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 722 ivs.getHostsString()); 723 verificationIntent.putExtra( 724 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 725 ivs.getPackageName()); 726 verificationIntent.setComponent(mIntentFilterVerifierComponent); 727 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 728 729 UserHandle user = new UserHandle(userId); 730 mContext.sendBroadcastAsUser(verificationIntent, user); 731 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 732 "Sending IntentFilter verification broadcast"); 733 } 734 735 public void receiveVerificationResponse(int verificationId) { 736 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 737 738 final boolean verified = ivs.isVerified(); 739 740 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 741 final int count = filters.size(); 742 if (DEBUG_DOMAIN_VERIFICATION) { 743 Slog.i(TAG, "Received verification response " + verificationId 744 + " for " + count + " filters, verified=" + verified); 745 } 746 for (int n=0; n<count; n++) { 747 PackageParser.ActivityIntentInfo filter = filters.get(n); 748 filter.setVerified(verified); 749 750 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 751 + " verified with result:" + verified + " and hosts:" 752 + ivs.getHostsString()); 753 } 754 755 mIntentFilterVerificationStates.remove(verificationId); 756 757 final String packageName = ivs.getPackageName(); 758 IntentFilterVerificationInfo ivi = null; 759 760 synchronized (mPackages) { 761 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 762 } 763 if (ivi == null) { 764 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 765 + verificationId + " packageName:" + packageName); 766 return; 767 } 768 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 769 "Updating IntentFilterVerificationInfo for package " + packageName 770 +" verificationId:" + verificationId); 771 772 synchronized (mPackages) { 773 if (verified) { 774 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 775 } else { 776 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 777 } 778 scheduleWriteSettingsLocked(); 779 780 final int userId = ivs.getUserId(); 781 if (userId != UserHandle.USER_ALL) { 782 final int userStatus = 783 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 784 785 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 786 boolean needUpdate = false; 787 788 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 789 // already been set by the User thru the Disambiguation dialog 790 switch (userStatus) { 791 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 792 if (verified) { 793 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 794 } else { 795 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 796 } 797 needUpdate = true; 798 break; 799 800 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 801 if (verified) { 802 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 803 needUpdate = true; 804 } 805 break; 806 807 default: 808 // Nothing to do 809 } 810 811 if (needUpdate) { 812 mSettings.updateIntentFilterVerificationStatusLPw( 813 packageName, updatedStatus, userId); 814 scheduleWritePackageRestrictionsLocked(userId); 815 } 816 } 817 } 818 } 819 820 @Override 821 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 822 ActivityIntentInfo filter, String packageName) { 823 if (!hasValidDomains(filter)) { 824 return false; 825 } 826 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 827 if (ivs == null) { 828 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 829 packageName); 830 } 831 if (DEBUG_DOMAIN_VERIFICATION) { 832 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 833 } 834 ivs.addFilter(filter); 835 return true; 836 } 837 838 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 839 int userId, int verificationId, String packageName) { 840 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 841 verifierUid, userId, packageName); 842 ivs.setPendingState(); 843 synchronized (mPackages) { 844 mIntentFilterVerificationStates.append(verificationId, ivs); 845 mCurrentIntentFilterVerifications.add(verificationId); 846 } 847 return ivs; 848 } 849 } 850 851 private static boolean hasValidDomains(ActivityIntentInfo filter) { 852 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 853 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 854 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 855 } 856 857 // Set of pending broadcasts for aggregating enable/disable of components. 858 static class PendingPackageBroadcasts { 859 // for each user id, a map of <package name -> components within that package> 860 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 861 862 public PendingPackageBroadcasts() { 863 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 864 } 865 866 public ArrayList<String> get(int userId, String packageName) { 867 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 868 return packages.get(packageName); 869 } 870 871 public void put(int userId, String packageName, ArrayList<String> components) { 872 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 873 packages.put(packageName, components); 874 } 875 876 public void remove(int userId, String packageName) { 877 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 878 if (packages != null) { 879 packages.remove(packageName); 880 } 881 } 882 883 public void remove(int userId) { 884 mUidMap.remove(userId); 885 } 886 887 public int userIdCount() { 888 return mUidMap.size(); 889 } 890 891 public int userIdAt(int n) { 892 return mUidMap.keyAt(n); 893 } 894 895 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 896 return mUidMap.get(userId); 897 } 898 899 public int size() { 900 // total number of pending broadcast entries across all userIds 901 int num = 0; 902 for (int i = 0; i< mUidMap.size(); i++) { 903 num += mUidMap.valueAt(i).size(); 904 } 905 return num; 906 } 907 908 public void clear() { 909 mUidMap.clear(); 910 } 911 912 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 913 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 914 if (map == null) { 915 map = new ArrayMap<String, ArrayList<String>>(); 916 mUidMap.put(userId, map); 917 } 918 return map; 919 } 920 } 921 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 922 923 // Service Connection to remote media container service to copy 924 // package uri's from external media onto secure containers 925 // or internal storage. 926 private IMediaContainerService mContainerService = null; 927 928 static final int SEND_PENDING_BROADCAST = 1; 929 static final int MCS_BOUND = 3; 930 static final int END_COPY = 4; 931 static final int INIT_COPY = 5; 932 static final int MCS_UNBIND = 6; 933 static final int START_CLEANING_PACKAGE = 7; 934 static final int FIND_INSTALL_LOC = 8; 935 static final int POST_INSTALL = 9; 936 static final int MCS_RECONNECT = 10; 937 static final int MCS_GIVE_UP = 11; 938 static final int UPDATED_MEDIA_STATUS = 12; 939 static final int WRITE_SETTINGS = 13; 940 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 941 static final int PACKAGE_VERIFIED = 15; 942 static final int CHECK_PENDING_VERIFICATION = 16; 943 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 944 static final int INTENT_FILTER_VERIFIED = 18; 945 946 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 947 948 // Delay time in millisecs 949 static final int BROADCAST_DELAY = 10 * 1000; 950 951 static UserManagerService sUserManager; 952 953 // Stores a list of users whose package restrictions file needs to be updated 954 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 955 956 final private DefaultContainerConnection mDefContainerConn = 957 new DefaultContainerConnection(); 958 class DefaultContainerConnection implements ServiceConnection { 959 public void onServiceConnected(ComponentName name, IBinder service) { 960 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 961 IMediaContainerService imcs = 962 IMediaContainerService.Stub.asInterface(service); 963 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 964 } 965 966 public void onServiceDisconnected(ComponentName name) { 967 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 968 } 969 } 970 971 // Recordkeeping of restore-after-install operations that are currently in flight 972 // between the Package Manager and the Backup Manager 973 static class PostInstallData { 974 public InstallArgs args; 975 public PackageInstalledInfo res; 976 977 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 978 args = _a; 979 res = _r; 980 } 981 } 982 983 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 984 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 985 986 // XML tags for backup/restore of various bits of state 987 private static final String TAG_PREFERRED_BACKUP = "pa"; 988 private static final String TAG_DEFAULT_APPS = "da"; 989 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 990 991 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 992 private static final String TAG_ALL_GRANTS = "rt-grants"; 993 private static final String TAG_GRANT = "grant"; 994 private static final String ATTR_PACKAGE_NAME = "pkg"; 995 996 private static final String TAG_PERMISSION = "perm"; 997 private static final String ATTR_PERMISSION_NAME = "name"; 998 private static final String ATTR_IS_GRANTED = "g"; 999 private static final String ATTR_USER_SET = "set"; 1000 private static final String ATTR_USER_FIXED = "fixed"; 1001 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1002 1003 // System/policy permission grants are not backed up 1004 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1005 FLAG_PERMISSION_POLICY_FIXED 1006 | FLAG_PERMISSION_SYSTEM_FIXED 1007 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1008 1009 // And we back up these user-adjusted states 1010 private static final int USER_RUNTIME_GRANT_MASK = 1011 FLAG_PERMISSION_USER_SET 1012 | FLAG_PERMISSION_USER_FIXED 1013 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1014 1015 final @Nullable String mRequiredVerifierPackage; 1016 final @Nullable String mRequiredInstallerPackage; 1017 1018 private final PackageUsage mPackageUsage = new PackageUsage(); 1019 1020 private class PackageUsage { 1021 private static final int WRITE_INTERVAL 1022 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1023 1024 private final Object mFileLock = new Object(); 1025 private final AtomicLong mLastWritten = new AtomicLong(0); 1026 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1027 1028 private boolean mIsHistoricalPackageUsageAvailable = true; 1029 1030 boolean isHistoricalPackageUsageAvailable() { 1031 return mIsHistoricalPackageUsageAvailable; 1032 } 1033 1034 void write(boolean force) { 1035 if (force) { 1036 writeInternal(); 1037 return; 1038 } 1039 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1040 && !DEBUG_DEXOPT) { 1041 return; 1042 } 1043 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1044 new Thread("PackageUsage_DiskWriter") { 1045 @Override 1046 public void run() { 1047 try { 1048 writeInternal(); 1049 } finally { 1050 mBackgroundWriteRunning.set(false); 1051 } 1052 } 1053 }.start(); 1054 } 1055 } 1056 1057 private void writeInternal() { 1058 synchronized (mPackages) { 1059 synchronized (mFileLock) { 1060 AtomicFile file = getFile(); 1061 FileOutputStream f = null; 1062 try { 1063 f = file.startWrite(); 1064 BufferedOutputStream out = new BufferedOutputStream(f); 1065 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1066 StringBuilder sb = new StringBuilder(); 1067 for (PackageParser.Package pkg : mPackages.values()) { 1068 if (pkg.mLastPackageUsageTimeInMills == 0) { 1069 continue; 1070 } 1071 sb.setLength(0); 1072 sb.append(pkg.packageName); 1073 sb.append(' '); 1074 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1075 sb.append('\n'); 1076 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1077 } 1078 out.flush(); 1079 file.finishWrite(f); 1080 } catch (IOException e) { 1081 if (f != null) { 1082 file.failWrite(f); 1083 } 1084 Log.e(TAG, "Failed to write package usage times", e); 1085 } 1086 } 1087 } 1088 mLastWritten.set(SystemClock.elapsedRealtime()); 1089 } 1090 1091 void readLP() { 1092 synchronized (mFileLock) { 1093 AtomicFile file = getFile(); 1094 BufferedInputStream in = null; 1095 try { 1096 in = new BufferedInputStream(file.openRead()); 1097 StringBuffer sb = new StringBuffer(); 1098 while (true) { 1099 String packageName = readToken(in, sb, ' '); 1100 if (packageName == null) { 1101 break; 1102 } 1103 String timeInMillisString = readToken(in, sb, '\n'); 1104 if (timeInMillisString == null) { 1105 throw new IOException("Failed to find last usage time for package " 1106 + packageName); 1107 } 1108 PackageParser.Package pkg = mPackages.get(packageName); 1109 if (pkg == null) { 1110 continue; 1111 } 1112 long timeInMillis; 1113 try { 1114 timeInMillis = Long.parseLong(timeInMillisString); 1115 } catch (NumberFormatException e) { 1116 throw new IOException("Failed to parse " + timeInMillisString 1117 + " as a long.", e); 1118 } 1119 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1120 } 1121 } catch (FileNotFoundException expected) { 1122 mIsHistoricalPackageUsageAvailable = false; 1123 } catch (IOException e) { 1124 Log.w(TAG, "Failed to read package usage times", e); 1125 } finally { 1126 IoUtils.closeQuietly(in); 1127 } 1128 } 1129 mLastWritten.set(SystemClock.elapsedRealtime()); 1130 } 1131 1132 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1133 throws IOException { 1134 sb.setLength(0); 1135 while (true) { 1136 int ch = in.read(); 1137 if (ch == -1) { 1138 if (sb.length() == 0) { 1139 return null; 1140 } 1141 throw new IOException("Unexpected EOF"); 1142 } 1143 if (ch == endOfToken) { 1144 return sb.toString(); 1145 } 1146 sb.append((char)ch); 1147 } 1148 } 1149 1150 private AtomicFile getFile() { 1151 File dataDir = Environment.getDataDirectory(); 1152 File systemDir = new File(dataDir, "system"); 1153 File fname = new File(systemDir, "package-usage.list"); 1154 return new AtomicFile(fname); 1155 } 1156 } 1157 1158 class PackageHandler extends Handler { 1159 private boolean mBound = false; 1160 final ArrayList<HandlerParams> mPendingInstalls = 1161 new ArrayList<HandlerParams>(); 1162 1163 private boolean connectToService() { 1164 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1165 " DefaultContainerService"); 1166 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1167 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1168 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1169 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1171 mBound = true; 1172 return true; 1173 } 1174 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1175 return false; 1176 } 1177 1178 private void disconnectService() { 1179 mContainerService = null; 1180 mBound = false; 1181 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1182 mContext.unbindService(mDefContainerConn); 1183 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1184 } 1185 1186 PackageHandler(Looper looper) { 1187 super(looper); 1188 } 1189 1190 public void handleMessage(Message msg) { 1191 try { 1192 doHandleMessage(msg); 1193 } finally { 1194 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1195 } 1196 } 1197 1198 void doHandleMessage(Message msg) { 1199 switch (msg.what) { 1200 case INIT_COPY: { 1201 HandlerParams params = (HandlerParams) msg.obj; 1202 int idx = mPendingInstalls.size(); 1203 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1204 // If a bind was already initiated we dont really 1205 // need to do anything. The pending install 1206 // will be processed later on. 1207 if (!mBound) { 1208 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1209 System.identityHashCode(mHandler)); 1210 // If this is the only one pending we might 1211 // have to bind to the service again. 1212 if (!connectToService()) { 1213 Slog.e(TAG, "Failed to bind to media container service"); 1214 params.serviceError(); 1215 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1216 System.identityHashCode(mHandler)); 1217 if (params.traceMethod != null) { 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1219 params.traceCookie); 1220 } 1221 return; 1222 } else { 1223 // Once we bind to the service, the first 1224 // pending request will be processed. 1225 mPendingInstalls.add(idx, params); 1226 } 1227 } else { 1228 mPendingInstalls.add(idx, params); 1229 // Already bound to the service. Just make 1230 // sure we trigger off processing the first request. 1231 if (idx == 0) { 1232 mHandler.sendEmptyMessage(MCS_BOUND); 1233 } 1234 } 1235 break; 1236 } 1237 case MCS_BOUND: { 1238 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1239 if (msg.obj != null) { 1240 mContainerService = (IMediaContainerService) msg.obj; 1241 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1242 System.identityHashCode(mHandler)); 1243 } 1244 if (mContainerService == null) { 1245 if (!mBound) { 1246 // Something seriously wrong since we are not bound and we are not 1247 // waiting for connection. Bail out. 1248 Slog.e(TAG, "Cannot bind to media container service"); 1249 for (HandlerParams params : mPendingInstalls) { 1250 // Indicate service bind error 1251 params.serviceError(); 1252 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1253 System.identityHashCode(params)); 1254 if (params.traceMethod != null) { 1255 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1256 params.traceMethod, params.traceCookie); 1257 } 1258 return; 1259 } 1260 mPendingInstalls.clear(); 1261 } else { 1262 Slog.w(TAG, "Waiting to connect to media container service"); 1263 } 1264 } else if (mPendingInstalls.size() > 0) { 1265 HandlerParams params = mPendingInstalls.get(0); 1266 if (params != null) { 1267 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1268 System.identityHashCode(params)); 1269 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1270 if (params.startCopy()) { 1271 // We are done... look for more work or to 1272 // go idle. 1273 if (DEBUG_SD_INSTALL) Log.i(TAG, 1274 "Checking for more work or unbind..."); 1275 // Delete pending install 1276 if (mPendingInstalls.size() > 0) { 1277 mPendingInstalls.remove(0); 1278 } 1279 if (mPendingInstalls.size() == 0) { 1280 if (mBound) { 1281 if (DEBUG_SD_INSTALL) Log.i(TAG, 1282 "Posting delayed MCS_UNBIND"); 1283 removeMessages(MCS_UNBIND); 1284 Message ubmsg = obtainMessage(MCS_UNBIND); 1285 // Unbind after a little delay, to avoid 1286 // continual thrashing. 1287 sendMessageDelayed(ubmsg, 10000); 1288 } 1289 } else { 1290 // There are more pending requests in queue. 1291 // Just post MCS_BOUND message to trigger processing 1292 // of next pending install. 1293 if (DEBUG_SD_INSTALL) Log.i(TAG, 1294 "Posting MCS_BOUND for next work"); 1295 mHandler.sendEmptyMessage(MCS_BOUND); 1296 } 1297 } 1298 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1299 } 1300 } else { 1301 // Should never happen ideally. 1302 Slog.w(TAG, "Empty queue"); 1303 } 1304 break; 1305 } 1306 case MCS_RECONNECT: { 1307 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1308 if (mPendingInstalls.size() > 0) { 1309 if (mBound) { 1310 disconnectService(); 1311 } 1312 if (!connectToService()) { 1313 Slog.e(TAG, "Failed to bind to media container service"); 1314 for (HandlerParams params : mPendingInstalls) { 1315 // Indicate service bind error 1316 params.serviceError(); 1317 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1318 System.identityHashCode(params)); 1319 } 1320 mPendingInstalls.clear(); 1321 } 1322 } 1323 break; 1324 } 1325 case MCS_UNBIND: { 1326 // If there is no actual work left, then time to unbind. 1327 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1328 1329 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1330 if (mBound) { 1331 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1332 1333 disconnectService(); 1334 } 1335 } else if (mPendingInstalls.size() > 0) { 1336 // There are more pending requests in queue. 1337 // Just post MCS_BOUND message to trigger processing 1338 // of next pending install. 1339 mHandler.sendEmptyMessage(MCS_BOUND); 1340 } 1341 1342 break; 1343 } 1344 case MCS_GIVE_UP: { 1345 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1346 HandlerParams params = mPendingInstalls.remove(0); 1347 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1348 System.identityHashCode(params)); 1349 break; 1350 } 1351 case SEND_PENDING_BROADCAST: { 1352 String packages[]; 1353 ArrayList<String> components[]; 1354 int size = 0; 1355 int uids[]; 1356 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1357 synchronized (mPackages) { 1358 if (mPendingBroadcasts == null) { 1359 return; 1360 } 1361 size = mPendingBroadcasts.size(); 1362 if (size <= 0) { 1363 // Nothing to be done. Just return 1364 return; 1365 } 1366 packages = new String[size]; 1367 components = new ArrayList[size]; 1368 uids = new int[size]; 1369 int i = 0; // filling out the above arrays 1370 1371 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1372 int packageUserId = mPendingBroadcasts.userIdAt(n); 1373 Iterator<Map.Entry<String, ArrayList<String>>> it 1374 = mPendingBroadcasts.packagesForUserId(packageUserId) 1375 .entrySet().iterator(); 1376 while (it.hasNext() && i < size) { 1377 Map.Entry<String, ArrayList<String>> ent = it.next(); 1378 packages[i] = ent.getKey(); 1379 components[i] = ent.getValue(); 1380 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1381 uids[i] = (ps != null) 1382 ? UserHandle.getUid(packageUserId, ps.appId) 1383 : -1; 1384 i++; 1385 } 1386 } 1387 size = i; 1388 mPendingBroadcasts.clear(); 1389 } 1390 // Send broadcasts 1391 for (int i = 0; i < size; i++) { 1392 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1393 } 1394 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1395 break; 1396 } 1397 case START_CLEANING_PACKAGE: { 1398 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1399 final String packageName = (String)msg.obj; 1400 final int userId = msg.arg1; 1401 final boolean andCode = msg.arg2 != 0; 1402 synchronized (mPackages) { 1403 if (userId == UserHandle.USER_ALL) { 1404 int[] users = sUserManager.getUserIds(); 1405 for (int user : users) { 1406 mSettings.addPackageToCleanLPw( 1407 new PackageCleanItem(user, packageName, andCode)); 1408 } 1409 } else { 1410 mSettings.addPackageToCleanLPw( 1411 new PackageCleanItem(userId, packageName, andCode)); 1412 } 1413 } 1414 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1415 startCleaningPackages(); 1416 } break; 1417 case POST_INSTALL: { 1418 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1419 1420 PostInstallData data = mRunningInstalls.get(msg.arg1); 1421 mRunningInstalls.delete(msg.arg1); 1422 1423 if (data != null) { 1424 InstallArgs args = data.args; 1425 PackageInstalledInfo parentRes = data.res; 1426 1427 final boolean grantPermissions = (args.installFlags 1428 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1429 final String[] grantedPermissions = args.installGrantPermissions; 1430 1431 // Handle the parent package 1432 handlePackagePostInstall(parentRes, grantPermissions, grantedPermissions, 1433 args.observer); 1434 1435 // Handle the child packages 1436 final int childCount = (parentRes.addedChildPackages != null) 1437 ? parentRes.addedChildPackages.size() : 0; 1438 for (int i = 0; i < childCount; i++) { 1439 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1440 handlePackagePostInstall(childRes, grantPermissions, grantedPermissions, 1441 args.observer); 1442 } 1443 1444 // Log tracing if needed 1445 if (args.traceMethod != null) { 1446 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1447 args.traceCookie); 1448 } 1449 } else { 1450 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1451 } 1452 1453 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1454 } break; 1455 case UPDATED_MEDIA_STATUS: { 1456 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1457 boolean reportStatus = msg.arg1 == 1; 1458 boolean doGc = msg.arg2 == 1; 1459 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1460 if (doGc) { 1461 // Force a gc to clear up stale containers. 1462 Runtime.getRuntime().gc(); 1463 } 1464 if (msg.obj != null) { 1465 @SuppressWarnings("unchecked") 1466 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1467 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1468 // Unload containers 1469 unloadAllContainers(args); 1470 } 1471 if (reportStatus) { 1472 try { 1473 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1474 PackageHelper.getMountService().finishMediaUpdate(); 1475 } catch (RemoteException e) { 1476 Log.e(TAG, "MountService not running?"); 1477 } 1478 } 1479 } break; 1480 case WRITE_SETTINGS: { 1481 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1482 synchronized (mPackages) { 1483 removeMessages(WRITE_SETTINGS); 1484 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1485 mSettings.writeLPr(); 1486 mDirtyUsers.clear(); 1487 } 1488 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1489 } break; 1490 case WRITE_PACKAGE_RESTRICTIONS: { 1491 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1492 synchronized (mPackages) { 1493 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1494 for (int userId : mDirtyUsers) { 1495 mSettings.writePackageRestrictionsLPr(userId); 1496 } 1497 mDirtyUsers.clear(); 1498 } 1499 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1500 } break; 1501 case CHECK_PENDING_VERIFICATION: { 1502 final int verificationId = msg.arg1; 1503 final PackageVerificationState state = mPendingVerification.get(verificationId); 1504 1505 if ((state != null) && !state.timeoutExtended()) { 1506 final InstallArgs args = state.getInstallArgs(); 1507 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1508 1509 Slog.i(TAG, "Verification timed out for " + originUri); 1510 mPendingVerification.remove(verificationId); 1511 1512 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1513 1514 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1515 Slog.i(TAG, "Continuing with installation of " + originUri); 1516 state.setVerifierResponse(Binder.getCallingUid(), 1517 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1518 broadcastPackageVerified(verificationId, originUri, 1519 PackageManager.VERIFICATION_ALLOW, 1520 state.getInstallArgs().getUser()); 1521 try { 1522 ret = args.copyApk(mContainerService, true); 1523 } catch (RemoteException e) { 1524 Slog.e(TAG, "Could not contact the ContainerService"); 1525 } 1526 } else { 1527 broadcastPackageVerified(verificationId, originUri, 1528 PackageManager.VERIFICATION_REJECT, 1529 state.getInstallArgs().getUser()); 1530 } 1531 1532 Trace.asyncTraceEnd( 1533 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1534 1535 processPendingInstall(args, ret); 1536 mHandler.sendEmptyMessage(MCS_UNBIND); 1537 } 1538 break; 1539 } 1540 case PACKAGE_VERIFIED: { 1541 final int verificationId = msg.arg1; 1542 1543 final PackageVerificationState state = mPendingVerification.get(verificationId); 1544 if (state == null) { 1545 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1546 break; 1547 } 1548 1549 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1550 1551 state.setVerifierResponse(response.callerUid, response.code); 1552 1553 if (state.isVerificationComplete()) { 1554 mPendingVerification.remove(verificationId); 1555 1556 final InstallArgs args = state.getInstallArgs(); 1557 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1558 1559 int ret; 1560 if (state.isInstallAllowed()) { 1561 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1562 broadcastPackageVerified(verificationId, originUri, 1563 response.code, state.getInstallArgs().getUser()); 1564 try { 1565 ret = args.copyApk(mContainerService, true); 1566 } catch (RemoteException e) { 1567 Slog.e(TAG, "Could not contact the ContainerService"); 1568 } 1569 } else { 1570 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1571 } 1572 1573 Trace.asyncTraceEnd( 1574 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1575 1576 processPendingInstall(args, ret); 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 void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1636 String[] grantedPermissions, IPackageInstallObserver2 installObserver) { 1637 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1638 // Send the removed broadcasts 1639 if (res.removedInfo != null) { 1640 res.removedInfo.sendPackageRemovedBroadcasts(); 1641 } 1642 1643 // Now that we successfully installed the package, grant runtime 1644 // permissions if requested before broadcasting the install. 1645 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1646 >= Build.VERSION_CODES.M) { 1647 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1648 } 1649 1650 final boolean update = res.removedInfo != null 1651 && res.removedInfo.removedPackage != null; 1652 1653 // If this is the first time we have child packages for a disabled privileged 1654 // app that had no children, we grant requested runtime permissions to the new 1655 // children if the parent on the system image had them already granted. 1656 if (res.pkg.parentPackage != null) { 1657 synchronized (mPackages) { 1658 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1659 } 1660 } 1661 1662 synchronized (mPackages) { 1663 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1664 } 1665 1666 final String packageName = res.pkg.applicationInfo.packageName; 1667 Bundle extras = new Bundle(1); 1668 extras.putInt(Intent.EXTRA_UID, res.uid); 1669 1670 // Determine the set of users who are adding this package for 1671 // the first time vs. those who are seeing an update. 1672 int[] firstUsers = EMPTY_INT_ARRAY; 1673 int[] updateUsers = EMPTY_INT_ARRAY; 1674 if (res.origUsers == null || res.origUsers.length == 0) { 1675 firstUsers = res.newUsers; 1676 } else { 1677 for (int newUser : res.newUsers) { 1678 boolean isNew = true; 1679 for (int origUser : res.origUsers) { 1680 if (origUser == newUser) { 1681 isNew = false; 1682 break; 1683 } 1684 } 1685 if (isNew) { 1686 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1687 } else { 1688 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1689 } 1690 } 1691 } 1692 1693 // Send installed broadcasts if the install/update is not ephemeral 1694 if (!isEphemeral(res.pkg)) { 1695 // Send added for users that see the package for the first time 1696 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1697 extras, 0 /*flags*/, null /*targetPackage*/, 1698 null /*finishedReceiver*/, firstUsers); 1699 1700 // Send added for users that don't see the package for the first time 1701 if (update) { 1702 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1703 } 1704 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1705 extras, 0 /*flags*/, null /*targetPackage*/, 1706 null /*finishedReceiver*/, updateUsers); 1707 1708 // Send replaced for users that don't see the package for the first time 1709 if (update) { 1710 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1711 packageName, extras, 0 /*flags*/, 1712 null /*targetPackage*/, null /*finishedReceiver*/, 1713 updateUsers); 1714 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1715 null /*package*/, null /*extras*/, 0 /*flags*/, 1716 packageName /*targetPackage*/, 1717 null /*finishedReceiver*/, updateUsers); 1718 } 1719 1720 // Send broadcast package appeared if forward locked/external for all users 1721 // treat asec-hosted packages like removable media on upgrade 1722 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1723 if (DEBUG_INSTALL) { 1724 Slog.i(TAG, "upgrading pkg " + res.pkg 1725 + " is ASEC-hosted -> AVAILABLE"); 1726 } 1727 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1728 ArrayList<String> pkgList = new ArrayList<>(1); 1729 pkgList.add(packageName); 1730 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1731 } 1732 } 1733 1734 // Work that needs to happen on first install within each user 1735 if (firstUsers != null && firstUsers.length > 0) { 1736 synchronized (mPackages) { 1737 for (int userId : firstUsers) { 1738 // If this app is a browser and it's newly-installed for some 1739 // users, clear any default-browser state in those users. The 1740 // app's nature doesn't depend on the user, so we can just check 1741 // its browser nature in any user and generalize. 1742 if (packageIsBrowser(packageName, userId)) { 1743 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1744 } 1745 1746 // We may also need to apply pending (restored) runtime 1747 // permission grants within these users. 1748 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1749 } 1750 } 1751 } 1752 1753 // Log current value of "unknown sources" setting 1754 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1755 getUnknownSourcesSettings()); 1756 1757 // Force a gc to clear up things 1758 Runtime.getRuntime().gc(); 1759 1760 // Remove the replaced package's older resources safely now 1761 // We delete after a gc for applications on sdcard. 1762 if (res.removedInfo != null && res.removedInfo.args != null) { 1763 synchronized (mInstallLock) { 1764 res.removedInfo.args.doPostDeleteLI(true); 1765 } 1766 } 1767 } 1768 1769 // If someone is watching installs - notify them 1770 if (installObserver != null) { 1771 try { 1772 Bundle extras = extrasForInstallResult(res); 1773 installObserver.onPackageInstalled(res.name, res.returnCode, 1774 res.returnMsg, extras); 1775 } catch (RemoteException e) { 1776 Slog.i(TAG, "Observer no longer exists."); 1777 } 1778 } 1779 } 1780 1781 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1782 PackageParser.Package pkg) { 1783 if (pkg.parentPackage == null) { 1784 return; 1785 } 1786 if (pkg.requestedPermissions == null) { 1787 return; 1788 } 1789 final PackageSetting disabledSysParentPs = mSettings 1790 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1791 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1792 || !disabledSysParentPs.isPrivileged() 1793 || (disabledSysParentPs.childPackageNames != null 1794 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1795 return; 1796 } 1797 final int[] allUserIds = sUserManager.getUserIds(); 1798 final int permCount = pkg.requestedPermissions.size(); 1799 for (int i = 0; i < permCount; i++) { 1800 String permission = pkg.requestedPermissions.get(i); 1801 BasePermission bp = mSettings.mPermissions.get(permission); 1802 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1803 continue; 1804 } 1805 for (int userId : allUserIds) { 1806 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1807 permission, userId)) { 1808 grantRuntimePermission(pkg.packageName, permission, userId); 1809 } 1810 } 1811 } 1812 } 1813 1814 private StorageEventListener mStorageListener = new StorageEventListener() { 1815 @Override 1816 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1817 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1818 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1819 final String volumeUuid = vol.getFsUuid(); 1820 1821 // Clean up any users or apps that were removed or recreated 1822 // while this volume was missing 1823 reconcileUsers(volumeUuid); 1824 reconcileApps(volumeUuid); 1825 1826 // Clean up any install sessions that expired or were 1827 // cancelled while this volume was missing 1828 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1829 1830 loadPrivatePackages(vol); 1831 1832 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1833 unloadPrivatePackages(vol); 1834 } 1835 } 1836 1837 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1838 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1839 updateExternalMediaStatus(true, false); 1840 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1841 updateExternalMediaStatus(false, false); 1842 } 1843 } 1844 } 1845 1846 @Override 1847 public void onVolumeForgotten(String fsUuid) { 1848 if (TextUtils.isEmpty(fsUuid)) { 1849 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1850 return; 1851 } 1852 1853 // Remove any apps installed on the forgotten volume 1854 synchronized (mPackages) { 1855 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1856 for (PackageSetting ps : packages) { 1857 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1858 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1859 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1860 } 1861 1862 mSettings.onVolumeForgotten(fsUuid); 1863 mSettings.writeLPr(); 1864 } 1865 } 1866 }; 1867 1868 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1869 String[] grantedPermissions) { 1870 for (int userId : userIds) { 1871 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1872 } 1873 1874 // We could have touched GID membership, so flush out packages.list 1875 synchronized (mPackages) { 1876 mSettings.writePackageListLPr(); 1877 } 1878 } 1879 1880 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1881 String[] grantedPermissions) { 1882 SettingBase sb = (SettingBase) pkg.mExtras; 1883 if (sb == null) { 1884 return; 1885 } 1886 1887 PermissionsState permissionsState = sb.getPermissionsState(); 1888 1889 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1890 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1891 1892 synchronized (mPackages) { 1893 for (String permission : pkg.requestedPermissions) { 1894 BasePermission bp = mSettings.mPermissions.get(permission); 1895 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1896 && (grantedPermissions == null 1897 || ArrayUtils.contains(grantedPermissions, permission))) { 1898 final int flags = permissionsState.getPermissionFlags(permission, userId); 1899 // Installer cannot change immutable permissions. 1900 if ((flags & immutableFlags) == 0) { 1901 grantRuntimePermission(pkg.packageName, permission, userId); 1902 } 1903 } 1904 } 1905 } 1906 } 1907 1908 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1909 Bundle extras = null; 1910 switch (res.returnCode) { 1911 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1912 extras = new Bundle(); 1913 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1914 res.origPermission); 1915 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1916 res.origPackage); 1917 break; 1918 } 1919 case PackageManager.INSTALL_SUCCEEDED: { 1920 extras = new Bundle(); 1921 extras.putBoolean(Intent.EXTRA_REPLACING, 1922 res.removedInfo != null && res.removedInfo.removedPackage != null); 1923 break; 1924 } 1925 } 1926 return extras; 1927 } 1928 1929 void scheduleWriteSettingsLocked() { 1930 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1931 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1932 } 1933 } 1934 1935 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1936 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1937 scheduleWritePackageRestrictionsLocked(userId); 1938 } 1939 1940 void scheduleWritePackageRestrictionsLocked(int userId) { 1941 final int[] userIds = (userId == UserHandle.USER_ALL) 1942 ? sUserManager.getUserIds() : new int[]{userId}; 1943 for (int nextUserId : userIds) { 1944 if (!sUserManager.exists(nextUserId)) return; 1945 mDirtyUsers.add(nextUserId); 1946 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1947 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1948 } 1949 } 1950 } 1951 1952 public static PackageManagerService main(Context context, Installer installer, 1953 boolean factoryTest, boolean onlyCore) { 1954 PackageManagerService m = new PackageManagerService(context, installer, 1955 factoryTest, onlyCore); 1956 m.enableSystemUserPackages(); 1957 ServiceManager.addService("package", m); 1958 return m; 1959 } 1960 1961 private void enableSystemUserPackages() { 1962 if (!UserManager.isSplitSystemUser()) { 1963 return; 1964 } 1965 // For system user, enable apps based on the following conditions: 1966 // - app is whitelisted or belong to one of these groups: 1967 // -- system app which has no launcher icons 1968 // -- system app which has INTERACT_ACROSS_USERS permission 1969 // -- system IME app 1970 // - app is not in the blacklist 1971 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1972 Set<String> enableApps = new ArraySet<>(); 1973 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1974 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1975 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1976 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1977 enableApps.addAll(wlApps); 1978 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1979 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1980 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1981 enableApps.removeAll(blApps); 1982 Log.i(TAG, "Applications installed for system user: " + enableApps); 1983 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1984 UserHandle.SYSTEM); 1985 final int allAppsSize = allAps.size(); 1986 synchronized (mPackages) { 1987 for (int i = 0; i < allAppsSize; i++) { 1988 String pName = allAps.get(i); 1989 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1990 // Should not happen, but we shouldn't be failing if it does 1991 if (pkgSetting == null) { 1992 continue; 1993 } 1994 boolean install = enableApps.contains(pName); 1995 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1996 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1997 + " for system user"); 1998 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1999 } 2000 } 2001 } 2002 } 2003 2004 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2005 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2006 Context.DISPLAY_SERVICE); 2007 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2008 } 2009 2010 public PackageManagerService(Context context, Installer installer, 2011 boolean factoryTest, boolean onlyCore) { 2012 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2013 SystemClock.uptimeMillis()); 2014 2015 if (mSdkVersion <= 0) { 2016 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2017 } 2018 2019 mContext = context; 2020 mFactoryTest = factoryTest; 2021 mOnlyCore = onlyCore; 2022 mMetrics = new DisplayMetrics(); 2023 mSettings = new Settings(mPackages); 2024 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2025 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2026 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2027 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2028 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2029 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2030 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2031 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2032 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2033 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2034 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2035 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2036 2037 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2038 if (separateProcesses != null && separateProcesses.length() > 0) { 2039 if ("*".equals(separateProcesses)) { 2040 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2041 mSeparateProcesses = null; 2042 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2043 } else { 2044 mDefParseFlags = 0; 2045 mSeparateProcesses = separateProcesses.split(","); 2046 Slog.w(TAG, "Running with debug.separate_processes: " 2047 + separateProcesses); 2048 } 2049 } else { 2050 mDefParseFlags = 0; 2051 mSeparateProcesses = null; 2052 } 2053 2054 mInstaller = installer; 2055 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2056 "*dexopt*"); 2057 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2058 2059 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2060 FgThread.get().getLooper()); 2061 2062 getDefaultDisplayMetrics(context, mMetrics); 2063 2064 SystemConfig systemConfig = SystemConfig.getInstance(); 2065 mGlobalGids = systemConfig.getGlobalGids(); 2066 mSystemPermissions = systemConfig.getSystemPermissions(); 2067 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2068 2069 synchronized (mInstallLock) { 2070 // writer 2071 synchronized (mPackages) { 2072 mHandlerThread = new ServiceThread(TAG, 2073 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2074 mHandlerThread.start(); 2075 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2076 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2077 2078 File dataDir = Environment.getDataDirectory(); 2079 mAppInstallDir = new File(dataDir, "app"); 2080 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2081 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2082 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2083 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2084 2085 sUserManager = new UserManagerService(context, this, mPackages); 2086 2087 // Propagate permission configuration in to package manager. 2088 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2089 = systemConfig.getPermissions(); 2090 for (int i=0; i<permConfig.size(); i++) { 2091 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2092 BasePermission bp = mSettings.mPermissions.get(perm.name); 2093 if (bp == null) { 2094 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2095 mSettings.mPermissions.put(perm.name, bp); 2096 } 2097 if (perm.gids != null) { 2098 bp.setGids(perm.gids, perm.perUser); 2099 } 2100 } 2101 2102 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2103 for (int i=0; i<libConfig.size(); i++) { 2104 mSharedLibraries.put(libConfig.keyAt(i), 2105 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2106 } 2107 2108 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2109 2110 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2111 2112 String customResolverActivity = Resources.getSystem().getString( 2113 R.string.config_customResolverActivity); 2114 if (TextUtils.isEmpty(customResolverActivity)) { 2115 customResolverActivity = null; 2116 } else { 2117 mCustomResolverComponentName = ComponentName.unflattenFromString( 2118 customResolverActivity); 2119 } 2120 2121 long startTime = SystemClock.uptimeMillis(); 2122 2123 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2124 startTime); 2125 2126 // Set flag to monitor and not change apk file paths when 2127 // scanning install directories. 2128 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2129 2130 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2131 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2132 2133 if (bootClassPath == null) { 2134 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2135 } 2136 2137 if (systemServerClassPath == null) { 2138 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2139 } 2140 2141 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2142 final String[] dexCodeInstructionSets = 2143 getDexCodeInstructionSets( 2144 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2145 2146 /** 2147 * Ensure all external libraries have had dexopt run on them. 2148 */ 2149 if (mSharedLibraries.size() > 0) { 2150 // NOTE: For now, we're compiling these system "shared libraries" 2151 // (and framework jars) into all available architectures. It's possible 2152 // to compile them only when we come across an app that uses them (there's 2153 // already logic for that in scanPackageLI) but that adds some complexity. 2154 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2155 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2156 final String lib = libEntry.path; 2157 if (lib == null) { 2158 continue; 2159 } 2160 2161 try { 2162 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2163 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2164 // Shared libraries do not have profiles so we perform a full 2165 // AOT compilation. 2166 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2167 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2168 StorageManager.UUID_PRIVATE_INTERNAL, 2169 false /*useProfiles*/); 2170 } 2171 } catch (FileNotFoundException e) { 2172 Slog.w(TAG, "Library not found: " + lib); 2173 } catch (IOException | InstallerException e) { 2174 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2175 + e.getMessage()); 2176 } 2177 } 2178 } 2179 } 2180 2181 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2182 2183 final VersionInfo ver = mSettings.getInternalVersion(); 2184 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2185 // when upgrading from pre-M, promote system app permissions from install to runtime 2186 mPromoteSystemApps = 2187 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2188 2189 // save off the names of pre-existing system packages prior to scanning; we don't 2190 // want to automatically grant runtime permissions for new system apps 2191 if (mPromoteSystemApps) { 2192 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2193 while (pkgSettingIter.hasNext()) { 2194 PackageSetting ps = pkgSettingIter.next(); 2195 if (isSystemApp(ps)) { 2196 mExistingSystemPackages.add(ps.name); 2197 } 2198 } 2199 } 2200 2201 // Collect vendor overlay packages. 2202 // (Do this before scanning any apps.) 2203 // For security and version matching reason, only consider 2204 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2205 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2206 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2207 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2208 2209 // Find base frameworks (resource packages without code). 2210 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2211 | PackageParser.PARSE_IS_SYSTEM_DIR 2212 | PackageParser.PARSE_IS_PRIVILEGED, 2213 scanFlags | SCAN_NO_DEX, 0); 2214 2215 // Collected privileged system packages. 2216 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2217 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2218 | PackageParser.PARSE_IS_SYSTEM_DIR 2219 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2220 2221 // Collect ordinary system packages. 2222 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2223 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2224 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2225 2226 // Collect all vendor packages. 2227 File vendorAppDir = new File("/vendor/app"); 2228 try { 2229 vendorAppDir = vendorAppDir.getCanonicalFile(); 2230 } catch (IOException e) { 2231 // failed to look up canonical path, continue with original one 2232 } 2233 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2234 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2235 2236 // Collect all OEM packages. 2237 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2238 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2239 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2240 2241 // Prune any system packages that no longer exist. 2242 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2243 if (!mOnlyCore) { 2244 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2245 while (psit.hasNext()) { 2246 PackageSetting ps = psit.next(); 2247 2248 /* 2249 * If this is not a system app, it can't be a 2250 * disable system app. 2251 */ 2252 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2253 continue; 2254 } 2255 2256 /* 2257 * If the package is scanned, it's not erased. 2258 */ 2259 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2260 if (scannedPkg != null) { 2261 /* 2262 * If the system app is both scanned and in the 2263 * disabled packages list, then it must have been 2264 * added via OTA. Remove it from the currently 2265 * scanned package so the previously user-installed 2266 * application can be scanned. 2267 */ 2268 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2269 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2270 + ps.name + "; removing system app. Last known codePath=" 2271 + ps.codePathString + ", installStatus=" + ps.installStatus 2272 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2273 + scannedPkg.mVersionCode); 2274 removePackageLI(scannedPkg, true); 2275 mExpectingBetter.put(ps.name, ps.codePath); 2276 } 2277 2278 continue; 2279 } 2280 2281 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2282 psit.remove(); 2283 logCriticalInfo(Log.WARN, "System package " + ps.name 2284 + " no longer exists; wiping its data"); 2285 removeDataDirsLI(null, ps.name); 2286 } else { 2287 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2288 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2289 possiblyDeletedUpdatedSystemApps.add(ps.name); 2290 } 2291 } 2292 } 2293 } 2294 2295 //look for any incomplete package installations 2296 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2297 //clean up list 2298 for(int i = 0; i < deletePkgsList.size(); i++) { 2299 //clean up here 2300 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2301 } 2302 //delete tmp files 2303 deleteTempPackageFiles(); 2304 2305 // Remove any shared userIDs that have no associated packages 2306 mSettings.pruneSharedUsersLPw(); 2307 2308 if (!mOnlyCore) { 2309 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2310 SystemClock.uptimeMillis()); 2311 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2312 2313 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2314 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2315 2316 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2317 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2318 2319 /** 2320 * Remove disable package settings for any updated system 2321 * apps that were removed via an OTA. If they're not a 2322 * previously-updated app, remove them completely. 2323 * Otherwise, just revoke their system-level permissions. 2324 */ 2325 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2326 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2327 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2328 2329 String msg; 2330 if (deletedPkg == null) { 2331 msg = "Updated system package " + deletedAppName 2332 + " no longer exists; wiping its data"; 2333 removeDataDirsLI(null, deletedAppName); 2334 } else { 2335 msg = "Updated system app + " + deletedAppName 2336 + " no longer present; removing system privileges for " 2337 + deletedAppName; 2338 2339 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2340 2341 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2342 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2343 } 2344 logCriticalInfo(Log.WARN, msg); 2345 } 2346 2347 /** 2348 * Make sure all system apps that we expected to appear on 2349 * the userdata partition actually showed up. If they never 2350 * appeared, crawl back and revive the system version. 2351 */ 2352 for (int i = 0; i < mExpectingBetter.size(); i++) { 2353 final String packageName = mExpectingBetter.keyAt(i); 2354 if (!mPackages.containsKey(packageName)) { 2355 final File scanFile = mExpectingBetter.valueAt(i); 2356 2357 logCriticalInfo(Log.WARN, "Expected better " + packageName 2358 + " but never showed up; reverting to system"); 2359 2360 final int reparseFlags; 2361 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2362 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2363 | PackageParser.PARSE_IS_SYSTEM_DIR 2364 | PackageParser.PARSE_IS_PRIVILEGED; 2365 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2366 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2367 | PackageParser.PARSE_IS_SYSTEM_DIR; 2368 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2369 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2370 | PackageParser.PARSE_IS_SYSTEM_DIR; 2371 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2372 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2373 | PackageParser.PARSE_IS_SYSTEM_DIR; 2374 } else { 2375 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2376 continue; 2377 } 2378 2379 mSettings.enableSystemPackageLPw(packageName); 2380 2381 try { 2382 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2383 } catch (PackageManagerException e) { 2384 Slog.e(TAG, "Failed to parse original system package: " 2385 + e.getMessage()); 2386 } 2387 } 2388 } 2389 } 2390 mExpectingBetter.clear(); 2391 2392 // Now that we know all of the shared libraries, update all clients to have 2393 // the correct library paths. 2394 updateAllSharedLibrariesLPw(); 2395 2396 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2397 // NOTE: We ignore potential failures here during a system scan (like 2398 // the rest of the commands above) because there's precious little we 2399 // can do about it. A settings error is reported, though. 2400 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2401 false /* boot complete */); 2402 } 2403 2404 // Now that we know all the packages we are keeping, 2405 // read and update their last usage times. 2406 mPackageUsage.readLP(); 2407 2408 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2409 SystemClock.uptimeMillis()); 2410 Slog.i(TAG, "Time to scan packages: " 2411 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2412 + " seconds"); 2413 2414 // If the platform SDK has changed since the last time we booted, 2415 // we need to re-grant app permission to catch any new ones that 2416 // appear. This is really a hack, and means that apps can in some 2417 // cases get permissions that the user didn't initially explicitly 2418 // allow... it would be nice to have some better way to handle 2419 // this situation. 2420 int updateFlags = UPDATE_PERMISSIONS_ALL; 2421 if (ver.sdkVersion != mSdkVersion) { 2422 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2423 + mSdkVersion + "; regranting permissions for internal storage"); 2424 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2425 } 2426 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2427 ver.sdkVersion = mSdkVersion; 2428 2429 // If this is the first boot or an update from pre-M, and it is a normal 2430 // boot, then we need to initialize the default preferred apps across 2431 // all defined users. 2432 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2433 for (UserInfo user : sUserManager.getUsers(true)) { 2434 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2435 applyFactoryDefaultBrowserLPw(user.id); 2436 primeDomainVerificationsLPw(user.id); 2437 } 2438 } 2439 2440 // Prepare storage for system user really early during boot, 2441 // since core system apps like SettingsProvider and SystemUI 2442 // can't wait for user to start 2443 final int storageFlags; 2444 if (StorageManager.isFileBasedEncryptionEnabled()) { 2445 storageFlags = StorageManager.FLAG_STORAGE_DE; 2446 } else { 2447 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2448 } 2449 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2450 storageFlags); 2451 2452 if (!StorageManager.isFileBasedEncryptionEnabled() 2453 && PackageManager.APPLY_FORCE_DEVICE_ENCRYPTED) { 2454 // When upgrading a non-FBE device, we might need to shuffle 2455 // around the default storage location of system apps 2456 final List<UserInfo> users = sUserManager.getUsers(true); 2457 for (PackageSetting ps : mSettings.mPackages.values()) { 2458 if (ps.pkg == null || !ps.isSystem()) continue; 2459 final int storageTarget = ps.pkg.applicationInfo.isForceDeviceEncrypted() 2460 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 2461 for (UserInfo user : users) { 2462 if (ps.getInstalled(user.id)) { 2463 try { 2464 mInstaller.migrateAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2465 ps.name, user.id, storageTarget); 2466 } catch (InstallerException e) { 2467 logCriticalInfo(Log.WARN, 2468 "Failed to migrate " + ps.name + ": " + e.getMessage()); 2469 } 2470 // We may have just shuffled around app data 2471 // directories, so prepare it one more time 2472 prepareAppData(StorageManager.UUID_PRIVATE_INTERNAL, user.id, 2473 storageFlags, ps.pkg, false); 2474 } 2475 } 2476 } 2477 } 2478 2479 // If this is first boot after an OTA, and a normal boot, then 2480 // we need to clear code cache directories. 2481 if (mIsUpgrade && !onlyCore) { 2482 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2483 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2484 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2485 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2486 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2487 } 2488 } 2489 ver.fingerprint = Build.FINGERPRINT; 2490 } 2491 2492 checkDefaultBrowser(); 2493 2494 // clear only after permissions and other defaults have been updated 2495 mExistingSystemPackages.clear(); 2496 mPromoteSystemApps = false; 2497 2498 // All the changes are done during package scanning. 2499 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2500 2501 // can downgrade to reader 2502 mSettings.writeLPr(); 2503 2504 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2505 SystemClock.uptimeMillis()); 2506 2507 if (!mOnlyCore) { 2508 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2509 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2510 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2511 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2512 mIntentFilterVerifierComponent); 2513 } else { 2514 mRequiredVerifierPackage = null; 2515 mRequiredInstallerPackage = null; 2516 mIntentFilterVerifierComponent = null; 2517 mIntentFilterVerifier = null; 2518 } 2519 2520 mInstallerService = new PackageInstallerService(context, this); 2521 2522 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2523 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2524 // both the installer and resolver must be present to enable ephemeral 2525 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2526 if (DEBUG_EPHEMERAL) { 2527 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2528 + " installer:" + ephemeralInstallerComponent); 2529 } 2530 mEphemeralResolverComponent = ephemeralResolverComponent; 2531 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2532 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2533 mEphemeralResolverConnection = 2534 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2535 } else { 2536 if (DEBUG_EPHEMERAL) { 2537 final String missingComponent = 2538 (ephemeralResolverComponent == null) 2539 ? (ephemeralInstallerComponent == null) 2540 ? "resolver and installer" 2541 : "resolver" 2542 : "installer"; 2543 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2544 } 2545 mEphemeralResolverComponent = null; 2546 mEphemeralInstallerComponent = null; 2547 mEphemeralResolverConnection = null; 2548 } 2549 2550 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2551 } // synchronized (mPackages) 2552 } // synchronized (mInstallLock) 2553 2554 // Now after opening every single application zip, make sure they 2555 // are all flushed. Not really needed, but keeps things nice and 2556 // tidy. 2557 Runtime.getRuntime().gc(); 2558 2559 // The initial scanning above does many calls into installd while 2560 // holding the mPackages lock, but we're mostly interested in yelling 2561 // once we have a booted system. 2562 mInstaller.setWarnIfHeld(mPackages); 2563 2564 // Expose private service for system components to use. 2565 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2566 } 2567 2568 @Override 2569 public boolean isFirstBoot() { 2570 return !mRestoredSettings; 2571 } 2572 2573 @Override 2574 public boolean isOnlyCoreApps() { 2575 return mOnlyCore; 2576 } 2577 2578 @Override 2579 public boolean isUpgrade() { 2580 return mIsUpgrade; 2581 } 2582 2583 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2584 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2585 2586 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2587 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2588 if (matches.size() == 1) { 2589 return matches.get(0).getComponentInfo().packageName; 2590 } else { 2591 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2592 return null; 2593 } 2594 } 2595 2596 private @NonNull String getRequiredInstallerLPr() { 2597 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2598 intent.addCategory(Intent.CATEGORY_DEFAULT); 2599 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2600 2601 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2602 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2603 if (matches.size() == 1) { 2604 return matches.get(0).getComponentInfo().packageName; 2605 } else { 2606 throw new RuntimeException("There must be exactly one installer; found " + matches); 2607 } 2608 } 2609 2610 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2611 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2612 2613 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2614 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2615 ResolveInfo best = null; 2616 final int N = matches.size(); 2617 for (int i = 0; i < N; i++) { 2618 final ResolveInfo cur = matches.get(i); 2619 final String packageName = cur.getComponentInfo().packageName; 2620 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2621 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2622 continue; 2623 } 2624 2625 if (best == null || cur.priority > best.priority) { 2626 best = cur; 2627 } 2628 } 2629 2630 if (best != null) { 2631 return best.getComponentInfo().getComponentName(); 2632 } else { 2633 throw new RuntimeException("There must be at least one intent filter verifier"); 2634 } 2635 } 2636 2637 private @Nullable ComponentName getEphemeralResolverLPr() { 2638 final String[] packageArray = 2639 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2640 if (packageArray.length == 0) { 2641 if (DEBUG_EPHEMERAL) { 2642 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2643 } 2644 return null; 2645 } 2646 2647 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2648 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2649 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2650 2651 final int N = resolvers.size(); 2652 if (N == 0) { 2653 if (DEBUG_EPHEMERAL) { 2654 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2655 } 2656 return null; 2657 } 2658 2659 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2660 for (int i = 0; i < N; i++) { 2661 final ResolveInfo info = resolvers.get(i); 2662 2663 if (info.serviceInfo == null) { 2664 continue; 2665 } 2666 2667 final String packageName = info.serviceInfo.packageName; 2668 if (!possiblePackages.contains(packageName)) { 2669 if (DEBUG_EPHEMERAL) { 2670 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2671 + " pkg: " + packageName + ", info:" + info); 2672 } 2673 continue; 2674 } 2675 2676 if (DEBUG_EPHEMERAL) { 2677 Slog.v(TAG, "Ephemeral resolver found;" 2678 + " pkg: " + packageName + ", info:" + info); 2679 } 2680 return new ComponentName(packageName, info.serviceInfo.name); 2681 } 2682 if (DEBUG_EPHEMERAL) { 2683 Slog.v(TAG, "Ephemeral resolver NOT found"); 2684 } 2685 return null; 2686 } 2687 2688 private @Nullable ComponentName getEphemeralInstallerLPr() { 2689 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2690 intent.addCategory(Intent.CATEGORY_DEFAULT); 2691 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2692 2693 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2694 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2695 if (matches.size() == 0) { 2696 return null; 2697 } else if (matches.size() == 1) { 2698 return matches.get(0).getComponentInfo().getComponentName(); 2699 } else { 2700 throw new RuntimeException( 2701 "There must be at most one ephemeral installer; found " + matches); 2702 } 2703 } 2704 2705 private void primeDomainVerificationsLPw(int userId) { 2706 if (DEBUG_DOMAIN_VERIFICATION) { 2707 Slog.d(TAG, "Priming domain verifications in user " + userId); 2708 } 2709 2710 SystemConfig systemConfig = SystemConfig.getInstance(); 2711 ArraySet<String> packages = systemConfig.getLinkedApps(); 2712 ArraySet<String> domains = new ArraySet<String>(); 2713 2714 for (String packageName : packages) { 2715 PackageParser.Package pkg = mPackages.get(packageName); 2716 if (pkg != null) { 2717 if (!pkg.isSystemApp()) { 2718 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2719 continue; 2720 } 2721 2722 domains.clear(); 2723 for (PackageParser.Activity a : pkg.activities) { 2724 for (ActivityIntentInfo filter : a.intents) { 2725 if (hasValidDomains(filter)) { 2726 domains.addAll(filter.getHostsList()); 2727 } 2728 } 2729 } 2730 2731 if (domains.size() > 0) { 2732 if (DEBUG_DOMAIN_VERIFICATION) { 2733 Slog.v(TAG, " + " + packageName); 2734 } 2735 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2736 // state w.r.t. the formal app-linkage "no verification attempted" state; 2737 // and then 'always' in the per-user state actually used for intent resolution. 2738 final IntentFilterVerificationInfo ivi; 2739 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2740 new ArrayList<String>(domains)); 2741 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2742 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2743 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2744 } else { 2745 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2746 + "' does not handle web links"); 2747 } 2748 } else { 2749 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2750 } 2751 } 2752 2753 scheduleWritePackageRestrictionsLocked(userId); 2754 scheduleWriteSettingsLocked(); 2755 } 2756 2757 private void applyFactoryDefaultBrowserLPw(int userId) { 2758 // The default browser app's package name is stored in a string resource, 2759 // with a product-specific overlay used for vendor customization. 2760 String browserPkg = mContext.getResources().getString( 2761 com.android.internal.R.string.default_browser); 2762 if (!TextUtils.isEmpty(browserPkg)) { 2763 // non-empty string => required to be a known package 2764 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2765 if (ps == null) { 2766 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2767 browserPkg = null; 2768 } else { 2769 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2770 } 2771 } 2772 2773 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2774 // default. If there's more than one, just leave everything alone. 2775 if (browserPkg == null) { 2776 calculateDefaultBrowserLPw(userId); 2777 } 2778 } 2779 2780 private void calculateDefaultBrowserLPw(int userId) { 2781 List<String> allBrowsers = resolveAllBrowserApps(userId); 2782 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2783 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2784 } 2785 2786 private List<String> resolveAllBrowserApps(int userId) { 2787 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2788 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2789 PackageManager.MATCH_ALL, userId); 2790 2791 final int count = list.size(); 2792 List<String> result = new ArrayList<String>(count); 2793 for (int i=0; i<count; i++) { 2794 ResolveInfo info = list.get(i); 2795 if (info.activityInfo == null 2796 || !info.handleAllWebDataURI 2797 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2798 || result.contains(info.activityInfo.packageName)) { 2799 continue; 2800 } 2801 result.add(info.activityInfo.packageName); 2802 } 2803 2804 return result; 2805 } 2806 2807 private boolean packageIsBrowser(String packageName, int userId) { 2808 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2809 PackageManager.MATCH_ALL, userId); 2810 final int N = list.size(); 2811 for (int i = 0; i < N; i++) { 2812 ResolveInfo info = list.get(i); 2813 if (packageName.equals(info.activityInfo.packageName)) { 2814 return true; 2815 } 2816 } 2817 return false; 2818 } 2819 2820 private void checkDefaultBrowser() { 2821 final int myUserId = UserHandle.myUserId(); 2822 final String packageName = getDefaultBrowserPackageName(myUserId); 2823 if (packageName != null) { 2824 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2825 if (info == null) { 2826 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2827 synchronized (mPackages) { 2828 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2829 } 2830 } 2831 } 2832 } 2833 2834 @Override 2835 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2836 throws RemoteException { 2837 try { 2838 return super.onTransact(code, data, reply, flags); 2839 } catch (RuntimeException e) { 2840 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2841 Slog.wtf(TAG, "Package Manager Crash", e); 2842 } 2843 throw e; 2844 } 2845 } 2846 2847 void cleanupInstallFailedPackage(PackageSetting ps) { 2848 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2849 2850 removeDataDirsLI(ps.volumeUuid, ps.name); 2851 if (ps.codePath != null) { 2852 removeCodePathLI(ps.codePath); 2853 } 2854 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2855 if (ps.resourcePath.isDirectory()) { 2856 FileUtils.deleteContents(ps.resourcePath); 2857 } 2858 ps.resourcePath.delete(); 2859 } 2860 mSettings.removePackageLPw(ps.name); 2861 } 2862 2863 static int[] appendInts(int[] cur, int[] add) { 2864 if (add == null) return cur; 2865 if (cur == null) return add; 2866 final int N = add.length; 2867 for (int i=0; i<N; i++) { 2868 cur = appendInt(cur, add[i]); 2869 } 2870 return cur; 2871 } 2872 2873 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2874 if (!sUserManager.exists(userId)) return null; 2875 final PackageSetting ps = (PackageSetting) p.mExtras; 2876 if (ps == null) { 2877 return null; 2878 } 2879 2880 final PermissionsState permissionsState = ps.getPermissionsState(); 2881 2882 final int[] gids = permissionsState.computeGids(userId); 2883 final Set<String> permissions = permissionsState.getPermissions(userId); 2884 final PackageUserState state = ps.readUserState(userId); 2885 2886 return PackageParser.generatePackageInfo(p, gids, flags, 2887 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2888 } 2889 2890 @Override 2891 public void checkPackageStartable(String packageName, int userId) { 2892 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2893 2894 synchronized (mPackages) { 2895 final PackageSetting ps = mSettings.mPackages.get(packageName); 2896 if (ps == null) { 2897 throw new SecurityException("Package " + packageName + " was not found!"); 2898 } 2899 2900 if (mSafeMode && !ps.isSystem()) { 2901 throw new SecurityException("Package " + packageName + " not a system app!"); 2902 } 2903 2904 if (ps.frozen) { 2905 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2906 } 2907 2908 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2909 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2910 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2911 } 2912 } 2913 } 2914 2915 @Override 2916 public boolean isPackageAvailable(String packageName, int userId) { 2917 if (!sUserManager.exists(userId)) return false; 2918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2919 synchronized (mPackages) { 2920 PackageParser.Package p = mPackages.get(packageName); 2921 if (p != null) { 2922 final PackageSetting ps = (PackageSetting) p.mExtras; 2923 if (ps != null) { 2924 final PackageUserState state = ps.readUserState(userId); 2925 if (state != null) { 2926 return PackageParser.isAvailable(state); 2927 } 2928 } 2929 } 2930 } 2931 return false; 2932 } 2933 2934 @Override 2935 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2936 if (!sUserManager.exists(userId)) return null; 2937 flags = updateFlagsForPackage(flags, userId, packageName); 2938 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2939 // reader 2940 synchronized (mPackages) { 2941 PackageParser.Package p = mPackages.get(packageName); 2942 if (DEBUG_PACKAGE_INFO) 2943 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2944 if (p != null) { 2945 return generatePackageInfo(p, flags, userId); 2946 } 2947 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2948 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2949 } 2950 } 2951 return null; 2952 } 2953 2954 @Override 2955 public String[] currentToCanonicalPackageNames(String[] names) { 2956 String[] out = new String[names.length]; 2957 // reader 2958 synchronized (mPackages) { 2959 for (int i=names.length-1; i>=0; i--) { 2960 PackageSetting ps = mSettings.mPackages.get(names[i]); 2961 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2962 } 2963 } 2964 return out; 2965 } 2966 2967 @Override 2968 public String[] canonicalToCurrentPackageNames(String[] names) { 2969 String[] out = new String[names.length]; 2970 // reader 2971 synchronized (mPackages) { 2972 for (int i=names.length-1; i>=0; i--) { 2973 String cur = mSettings.mRenamedPackages.get(names[i]); 2974 out[i] = cur != null ? cur : names[i]; 2975 } 2976 } 2977 return out; 2978 } 2979 2980 @Override 2981 public int getPackageUid(String packageName, int flags, int userId) { 2982 if (!sUserManager.exists(userId)) return -1; 2983 flags = updateFlagsForPackage(flags, userId, packageName); 2984 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2985 2986 // reader 2987 synchronized (mPackages) { 2988 final PackageParser.Package p = mPackages.get(packageName); 2989 if (p != null && p.isMatch(flags)) { 2990 return UserHandle.getUid(userId, p.applicationInfo.uid); 2991 } 2992 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2993 final PackageSetting ps = mSettings.mPackages.get(packageName); 2994 if (ps != null && ps.isMatch(flags)) { 2995 return UserHandle.getUid(userId, ps.appId); 2996 } 2997 } 2998 } 2999 3000 return -1; 3001 } 3002 3003 @Override 3004 public int[] getPackageGids(String packageName, int flags, int userId) { 3005 if (!sUserManager.exists(userId)) return null; 3006 flags = updateFlagsForPackage(flags, userId, packageName); 3007 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3008 "getPackageGids"); 3009 3010 // reader 3011 synchronized (mPackages) { 3012 final PackageParser.Package p = mPackages.get(packageName); 3013 if (p != null && p.isMatch(flags)) { 3014 PackageSetting ps = (PackageSetting) p.mExtras; 3015 return ps.getPermissionsState().computeGids(userId); 3016 } 3017 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3018 final PackageSetting ps = mSettings.mPackages.get(packageName); 3019 if (ps != null && ps.isMatch(flags)) { 3020 return ps.getPermissionsState().computeGids(userId); 3021 } 3022 } 3023 } 3024 3025 return null; 3026 } 3027 3028 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3029 if (bp.perm != null) { 3030 return PackageParser.generatePermissionInfo(bp.perm, flags); 3031 } 3032 PermissionInfo pi = new PermissionInfo(); 3033 pi.name = bp.name; 3034 pi.packageName = bp.sourcePackage; 3035 pi.nonLocalizedLabel = bp.name; 3036 pi.protectionLevel = bp.protectionLevel; 3037 return pi; 3038 } 3039 3040 @Override 3041 public PermissionInfo getPermissionInfo(String name, int flags) { 3042 // reader 3043 synchronized (mPackages) { 3044 final BasePermission p = mSettings.mPermissions.get(name); 3045 if (p != null) { 3046 return generatePermissionInfo(p, flags); 3047 } 3048 return null; 3049 } 3050 } 3051 3052 @Override 3053 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 3054 // reader 3055 synchronized (mPackages) { 3056 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3057 for (BasePermission p : mSettings.mPermissions.values()) { 3058 if (group == null) { 3059 if (p.perm == null || p.perm.info.group == null) { 3060 out.add(generatePermissionInfo(p, flags)); 3061 } 3062 } else { 3063 if (p.perm != null && group.equals(p.perm.info.group)) { 3064 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3065 } 3066 } 3067 } 3068 3069 if (out.size() > 0) { 3070 return out; 3071 } 3072 return mPermissionGroups.containsKey(group) ? out : null; 3073 } 3074 } 3075 3076 @Override 3077 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3078 // reader 3079 synchronized (mPackages) { 3080 return PackageParser.generatePermissionGroupInfo( 3081 mPermissionGroups.get(name), flags); 3082 } 3083 } 3084 3085 @Override 3086 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3087 // reader 3088 synchronized (mPackages) { 3089 final int N = mPermissionGroups.size(); 3090 ArrayList<PermissionGroupInfo> out 3091 = new ArrayList<PermissionGroupInfo>(N); 3092 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3093 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3094 } 3095 return out; 3096 } 3097 } 3098 3099 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3100 int userId) { 3101 if (!sUserManager.exists(userId)) return null; 3102 PackageSetting ps = mSettings.mPackages.get(packageName); 3103 if (ps != null) { 3104 if (ps.pkg == null) { 3105 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3106 flags, userId); 3107 if (pInfo != null) { 3108 return pInfo.applicationInfo; 3109 } 3110 return null; 3111 } 3112 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3113 ps.readUserState(userId), userId); 3114 } 3115 return null; 3116 } 3117 3118 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3119 int userId) { 3120 if (!sUserManager.exists(userId)) return null; 3121 PackageSetting ps = mSettings.mPackages.get(packageName); 3122 if (ps != null) { 3123 PackageParser.Package pkg = ps.pkg; 3124 if (pkg == null) { 3125 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3126 return null; 3127 } 3128 // Only data remains, so we aren't worried about code paths 3129 pkg = new PackageParser.Package(packageName); 3130 pkg.applicationInfo.packageName = packageName; 3131 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3132 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3133 pkg.applicationInfo.uid = ps.appId; 3134 pkg.applicationInfo.initForUser(userId); 3135 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3136 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3137 } 3138 return generatePackageInfo(pkg, flags, userId); 3139 } 3140 return null; 3141 } 3142 3143 @Override 3144 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3145 if (!sUserManager.exists(userId)) return null; 3146 flags = updateFlagsForApplication(flags, userId, packageName); 3147 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3148 // writer 3149 synchronized (mPackages) { 3150 PackageParser.Package p = mPackages.get(packageName); 3151 if (DEBUG_PACKAGE_INFO) Log.v( 3152 TAG, "getApplicationInfo " + packageName 3153 + ": " + p); 3154 if (p != null) { 3155 PackageSetting ps = mSettings.mPackages.get(packageName); 3156 if (ps == null) return null; 3157 // Note: isEnabledLP() does not apply here - always return info 3158 return PackageParser.generateApplicationInfo( 3159 p, flags, ps.readUserState(userId), userId); 3160 } 3161 if ("android".equals(packageName)||"system".equals(packageName)) { 3162 return mAndroidApplication; 3163 } 3164 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3165 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3166 } 3167 } 3168 return null; 3169 } 3170 3171 @Override 3172 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3173 final IPackageDataObserver observer) { 3174 mContext.enforceCallingOrSelfPermission( 3175 android.Manifest.permission.CLEAR_APP_CACHE, null); 3176 // Queue up an async operation since clearing cache may take a little while. 3177 mHandler.post(new Runnable() { 3178 public void run() { 3179 mHandler.removeCallbacks(this); 3180 boolean success = true; 3181 synchronized (mInstallLock) { 3182 try { 3183 mInstaller.freeCache(volumeUuid, freeStorageSize); 3184 } catch (InstallerException e) { 3185 Slog.w(TAG, "Couldn't clear application caches: " + e); 3186 success = false; 3187 } 3188 } 3189 if (observer != null) { 3190 try { 3191 observer.onRemoveCompleted(null, success); 3192 } catch (RemoteException e) { 3193 Slog.w(TAG, "RemoveException when invoking call back"); 3194 } 3195 } 3196 } 3197 }); 3198 } 3199 3200 @Override 3201 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3202 final IntentSender pi) { 3203 mContext.enforceCallingOrSelfPermission( 3204 android.Manifest.permission.CLEAR_APP_CACHE, null); 3205 // Queue up an async operation since clearing cache may take a little while. 3206 mHandler.post(new Runnable() { 3207 public void run() { 3208 mHandler.removeCallbacks(this); 3209 boolean success = true; 3210 synchronized (mInstallLock) { 3211 try { 3212 mInstaller.freeCache(volumeUuid, freeStorageSize); 3213 } catch (InstallerException e) { 3214 Slog.w(TAG, "Couldn't clear application caches: " + e); 3215 success = false; 3216 } 3217 } 3218 if(pi != null) { 3219 try { 3220 // Callback via pending intent 3221 int code = success ? 1 : 0; 3222 pi.sendIntent(null, code, null, 3223 null, null); 3224 } catch (SendIntentException e1) { 3225 Slog.i(TAG, "Failed to send pending intent"); 3226 } 3227 } 3228 } 3229 }); 3230 } 3231 3232 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3233 synchronized (mInstallLock) { 3234 try { 3235 mInstaller.freeCache(volumeUuid, freeStorageSize); 3236 } catch (InstallerException e) { 3237 throw new IOException("Failed to free enough space", e); 3238 } 3239 } 3240 } 3241 3242 /** 3243 * Return if the user key is currently unlocked. 3244 */ 3245 private boolean isUserKeyUnlocked(int userId) { 3246 if (StorageManager.isFileBasedEncryptionEnabled()) { 3247 final IMountService mount = IMountService.Stub 3248 .asInterface(ServiceManager.getService("mount")); 3249 if (mount == null) { 3250 Slog.w(TAG, "Early during boot, assuming locked"); 3251 return false; 3252 } 3253 final long token = Binder.clearCallingIdentity(); 3254 try { 3255 return mount.isUserKeyUnlocked(userId); 3256 } catch (RemoteException e) { 3257 throw e.rethrowAsRuntimeException(); 3258 } finally { 3259 Binder.restoreCallingIdentity(token); 3260 } 3261 } else { 3262 return true; 3263 } 3264 } 3265 3266 /** 3267 * Update given flags based on encryption status of current user. 3268 */ 3269 private int updateFlags(int flags, int userId) { 3270 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3271 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3272 // Caller expressed an explicit opinion about what encryption 3273 // aware/unaware components they want to see, so fall through and 3274 // give them what they want 3275 } else { 3276 // Caller expressed no opinion, so match based on user state 3277 if (isUserKeyUnlocked(userId)) { 3278 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3279 } else { 3280 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3281 } 3282 } 3283 return flags; 3284 } 3285 3286 /** 3287 * Update given flags when being used to request {@link PackageInfo}. 3288 */ 3289 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3290 boolean triaged = true; 3291 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3292 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3293 // Caller is asking for component details, so they'd better be 3294 // asking for specific encryption matching behavior, or be triaged 3295 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3296 | PackageManager.MATCH_ENCRYPTION_AWARE 3297 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3298 triaged = false; 3299 } 3300 } 3301 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3302 | PackageManager.MATCH_SYSTEM_ONLY 3303 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3304 triaged = false; 3305 } 3306 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3307 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3308 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3309 } 3310 return updateFlags(flags, userId); 3311 } 3312 3313 /** 3314 * Update given flags when being used to request {@link ApplicationInfo}. 3315 */ 3316 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3317 return updateFlagsForPackage(flags, userId, cookie); 3318 } 3319 3320 /** 3321 * Update given flags when being used to request {@link ComponentInfo}. 3322 */ 3323 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3324 if (cookie instanceof Intent) { 3325 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3326 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3327 } 3328 } 3329 3330 boolean triaged = true; 3331 // Caller is asking for component details, so they'd better be 3332 // asking for specific encryption matching behavior, or be triaged 3333 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3334 | PackageManager.MATCH_ENCRYPTION_AWARE 3335 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3336 triaged = false; 3337 } 3338 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3339 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3340 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3341 } 3342 3343 // Safe mode means we shouldn't match any third-party components 3344 if (mSafeMode) { 3345 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3346 } 3347 3348 return updateFlags(flags, userId); 3349 } 3350 3351 /** 3352 * Update given flags when being used to request {@link ResolveInfo}. 3353 */ 3354 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3355 return updateFlagsForComponent(flags, userId, cookie); 3356 } 3357 3358 @Override 3359 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3360 if (!sUserManager.exists(userId)) return null; 3361 flags = updateFlagsForComponent(flags, userId, component); 3362 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3363 synchronized (mPackages) { 3364 PackageParser.Activity a = mActivities.mActivities.get(component); 3365 3366 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3367 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3368 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3369 if (ps == null) return null; 3370 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3371 userId); 3372 } 3373 if (mResolveComponentName.equals(component)) { 3374 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3375 new PackageUserState(), userId); 3376 } 3377 } 3378 return null; 3379 } 3380 3381 @Override 3382 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3383 String resolvedType) { 3384 synchronized (mPackages) { 3385 if (component.equals(mResolveComponentName)) { 3386 // The resolver supports EVERYTHING! 3387 return true; 3388 } 3389 PackageParser.Activity a = mActivities.mActivities.get(component); 3390 if (a == null) { 3391 return false; 3392 } 3393 for (int i=0; i<a.intents.size(); i++) { 3394 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3395 intent.getData(), intent.getCategories(), TAG) >= 0) { 3396 return true; 3397 } 3398 } 3399 return false; 3400 } 3401 } 3402 3403 @Override 3404 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3405 if (!sUserManager.exists(userId)) return null; 3406 flags = updateFlagsForComponent(flags, userId, component); 3407 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3408 synchronized (mPackages) { 3409 PackageParser.Activity a = mReceivers.mActivities.get(component); 3410 if (DEBUG_PACKAGE_INFO) Log.v( 3411 TAG, "getReceiverInfo " + component + ": " + a); 3412 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3413 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3414 if (ps == null) return null; 3415 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3416 userId); 3417 } 3418 } 3419 return null; 3420 } 3421 3422 @Override 3423 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3424 if (!sUserManager.exists(userId)) return null; 3425 flags = updateFlagsForComponent(flags, userId, component); 3426 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3427 synchronized (mPackages) { 3428 PackageParser.Service s = mServices.mServices.get(component); 3429 if (DEBUG_PACKAGE_INFO) Log.v( 3430 TAG, "getServiceInfo " + component + ": " + s); 3431 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3432 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3433 if (ps == null) return null; 3434 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3435 userId); 3436 } 3437 } 3438 return null; 3439 } 3440 3441 @Override 3442 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3443 if (!sUserManager.exists(userId)) return null; 3444 flags = updateFlagsForComponent(flags, userId, component); 3445 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3446 synchronized (mPackages) { 3447 PackageParser.Provider p = mProviders.mProviders.get(component); 3448 if (DEBUG_PACKAGE_INFO) Log.v( 3449 TAG, "getProviderInfo " + component + ": " + p); 3450 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3451 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3452 if (ps == null) return null; 3453 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3454 userId); 3455 } 3456 } 3457 return null; 3458 } 3459 3460 @Override 3461 public String[] getSystemSharedLibraryNames() { 3462 Set<String> libSet; 3463 synchronized (mPackages) { 3464 libSet = mSharedLibraries.keySet(); 3465 int size = libSet.size(); 3466 if (size > 0) { 3467 String[] libs = new String[size]; 3468 libSet.toArray(libs); 3469 return libs; 3470 } 3471 } 3472 return null; 3473 } 3474 3475 @Override 3476 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3477 synchronized (mPackages) { 3478 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3479 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3480 if (libraryEntry != null) { 3481 return libraryEntry.apk; 3482 } 3483 } 3484 return null; 3485 } 3486 3487 @Override 3488 public FeatureInfo[] getSystemAvailableFeatures() { 3489 Collection<FeatureInfo> featSet; 3490 synchronized (mPackages) { 3491 featSet = mAvailableFeatures.values(); 3492 int size = featSet.size(); 3493 if (size > 0) { 3494 FeatureInfo[] features = new FeatureInfo[size+1]; 3495 featSet.toArray(features); 3496 FeatureInfo fi = new FeatureInfo(); 3497 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3498 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3499 features[size] = fi; 3500 return features; 3501 } 3502 } 3503 return null; 3504 } 3505 3506 @Override 3507 public boolean hasSystemFeature(String name, int version) { 3508 synchronized (mPackages) { 3509 final FeatureInfo feat = mAvailableFeatures.get(name); 3510 if (feat == null) { 3511 return false; 3512 } else { 3513 return feat.version >= version; 3514 } 3515 } 3516 } 3517 3518 @Override 3519 public int checkPermission(String permName, String pkgName, int userId) { 3520 if (!sUserManager.exists(userId)) { 3521 return PackageManager.PERMISSION_DENIED; 3522 } 3523 3524 synchronized (mPackages) { 3525 final PackageParser.Package p = mPackages.get(pkgName); 3526 if (p != null && p.mExtras != null) { 3527 final PackageSetting ps = (PackageSetting) p.mExtras; 3528 final PermissionsState permissionsState = ps.getPermissionsState(); 3529 if (permissionsState.hasPermission(permName, userId)) { 3530 return PackageManager.PERMISSION_GRANTED; 3531 } 3532 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3533 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3534 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3535 return PackageManager.PERMISSION_GRANTED; 3536 } 3537 } 3538 } 3539 3540 return PackageManager.PERMISSION_DENIED; 3541 } 3542 3543 @Override 3544 public int checkUidPermission(String permName, int uid) { 3545 final int userId = UserHandle.getUserId(uid); 3546 3547 if (!sUserManager.exists(userId)) { 3548 return PackageManager.PERMISSION_DENIED; 3549 } 3550 3551 synchronized (mPackages) { 3552 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3553 if (obj != null) { 3554 final SettingBase ps = (SettingBase) obj; 3555 final PermissionsState permissionsState = ps.getPermissionsState(); 3556 if (permissionsState.hasPermission(permName, userId)) { 3557 return PackageManager.PERMISSION_GRANTED; 3558 } 3559 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3560 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3561 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3562 return PackageManager.PERMISSION_GRANTED; 3563 } 3564 } else { 3565 ArraySet<String> perms = mSystemPermissions.get(uid); 3566 if (perms != null) { 3567 if (perms.contains(permName)) { 3568 return PackageManager.PERMISSION_GRANTED; 3569 } 3570 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3571 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3572 return PackageManager.PERMISSION_GRANTED; 3573 } 3574 } 3575 } 3576 } 3577 3578 return PackageManager.PERMISSION_DENIED; 3579 } 3580 3581 @Override 3582 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3583 if (UserHandle.getCallingUserId() != userId) { 3584 mContext.enforceCallingPermission( 3585 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3586 "isPermissionRevokedByPolicy for user " + userId); 3587 } 3588 3589 if (checkPermission(permission, packageName, userId) 3590 == PackageManager.PERMISSION_GRANTED) { 3591 return false; 3592 } 3593 3594 final long identity = Binder.clearCallingIdentity(); 3595 try { 3596 final int flags = getPermissionFlags(permission, packageName, userId); 3597 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3598 } finally { 3599 Binder.restoreCallingIdentity(identity); 3600 } 3601 } 3602 3603 @Override 3604 public String getPermissionControllerPackageName() { 3605 synchronized (mPackages) { 3606 return mRequiredInstallerPackage; 3607 } 3608 } 3609 3610 /** 3611 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3612 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3613 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3614 * @param message the message to log on security exception 3615 */ 3616 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3617 boolean checkShell, String message) { 3618 if (userId < 0) { 3619 throw new IllegalArgumentException("Invalid userId " + userId); 3620 } 3621 if (checkShell) { 3622 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3623 } 3624 if (userId == UserHandle.getUserId(callingUid)) return; 3625 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3626 if (requireFullPermission) { 3627 mContext.enforceCallingOrSelfPermission( 3628 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3629 } else { 3630 try { 3631 mContext.enforceCallingOrSelfPermission( 3632 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3633 } catch (SecurityException se) { 3634 mContext.enforceCallingOrSelfPermission( 3635 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3636 } 3637 } 3638 } 3639 } 3640 3641 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3642 if (callingUid == Process.SHELL_UID) { 3643 if (userHandle >= 0 3644 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3645 throw new SecurityException("Shell does not have permission to access user " 3646 + userHandle); 3647 } else if (userHandle < 0) { 3648 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3649 + Debug.getCallers(3)); 3650 } 3651 } 3652 } 3653 3654 private BasePermission findPermissionTreeLP(String permName) { 3655 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3656 if (permName.startsWith(bp.name) && 3657 permName.length() > bp.name.length() && 3658 permName.charAt(bp.name.length()) == '.') { 3659 return bp; 3660 } 3661 } 3662 return null; 3663 } 3664 3665 private BasePermission checkPermissionTreeLP(String permName) { 3666 if (permName != null) { 3667 BasePermission bp = findPermissionTreeLP(permName); 3668 if (bp != null) { 3669 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3670 return bp; 3671 } 3672 throw new SecurityException("Calling uid " 3673 + Binder.getCallingUid() 3674 + " is not allowed to add to permission tree " 3675 + bp.name + " owned by uid " + bp.uid); 3676 } 3677 } 3678 throw new SecurityException("No permission tree found for " + permName); 3679 } 3680 3681 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3682 if (s1 == null) { 3683 return s2 == null; 3684 } 3685 if (s2 == null) { 3686 return false; 3687 } 3688 if (s1.getClass() != s2.getClass()) { 3689 return false; 3690 } 3691 return s1.equals(s2); 3692 } 3693 3694 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3695 if (pi1.icon != pi2.icon) return false; 3696 if (pi1.logo != pi2.logo) return false; 3697 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3698 if (!compareStrings(pi1.name, pi2.name)) return false; 3699 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3700 // We'll take care of setting this one. 3701 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3702 // These are not currently stored in settings. 3703 //if (!compareStrings(pi1.group, pi2.group)) return false; 3704 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3705 //if (pi1.labelRes != pi2.labelRes) return false; 3706 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3707 return true; 3708 } 3709 3710 int permissionInfoFootprint(PermissionInfo info) { 3711 int size = info.name.length(); 3712 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3713 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3714 return size; 3715 } 3716 3717 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3718 int size = 0; 3719 for (BasePermission perm : mSettings.mPermissions.values()) { 3720 if (perm.uid == tree.uid) { 3721 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3722 } 3723 } 3724 return size; 3725 } 3726 3727 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3728 // We calculate the max size of permissions defined by this uid and throw 3729 // if that plus the size of 'info' would exceed our stated maximum. 3730 if (tree.uid != Process.SYSTEM_UID) { 3731 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3732 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3733 throw new SecurityException("Permission tree size cap exceeded"); 3734 } 3735 } 3736 } 3737 3738 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3739 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3740 throw new SecurityException("Label must be specified in permission"); 3741 } 3742 BasePermission tree = checkPermissionTreeLP(info.name); 3743 BasePermission bp = mSettings.mPermissions.get(info.name); 3744 boolean added = bp == null; 3745 boolean changed = true; 3746 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3747 if (added) { 3748 enforcePermissionCapLocked(info, tree); 3749 bp = new BasePermission(info.name, tree.sourcePackage, 3750 BasePermission.TYPE_DYNAMIC); 3751 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3752 throw new SecurityException( 3753 "Not allowed to modify non-dynamic permission " 3754 + info.name); 3755 } else { 3756 if (bp.protectionLevel == fixedLevel 3757 && bp.perm.owner.equals(tree.perm.owner) 3758 && bp.uid == tree.uid 3759 && comparePermissionInfos(bp.perm.info, info)) { 3760 changed = false; 3761 } 3762 } 3763 bp.protectionLevel = fixedLevel; 3764 info = new PermissionInfo(info); 3765 info.protectionLevel = fixedLevel; 3766 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3767 bp.perm.info.packageName = tree.perm.info.packageName; 3768 bp.uid = tree.uid; 3769 if (added) { 3770 mSettings.mPermissions.put(info.name, bp); 3771 } 3772 if (changed) { 3773 if (!async) { 3774 mSettings.writeLPr(); 3775 } else { 3776 scheduleWriteSettingsLocked(); 3777 } 3778 } 3779 return added; 3780 } 3781 3782 @Override 3783 public boolean addPermission(PermissionInfo info) { 3784 synchronized (mPackages) { 3785 return addPermissionLocked(info, false); 3786 } 3787 } 3788 3789 @Override 3790 public boolean addPermissionAsync(PermissionInfo info) { 3791 synchronized (mPackages) { 3792 return addPermissionLocked(info, true); 3793 } 3794 } 3795 3796 @Override 3797 public void removePermission(String name) { 3798 synchronized (mPackages) { 3799 checkPermissionTreeLP(name); 3800 BasePermission bp = mSettings.mPermissions.get(name); 3801 if (bp != null) { 3802 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3803 throw new SecurityException( 3804 "Not allowed to modify non-dynamic permission " 3805 + name); 3806 } 3807 mSettings.mPermissions.remove(name); 3808 mSettings.writeLPr(); 3809 } 3810 } 3811 } 3812 3813 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3814 BasePermission bp) { 3815 int index = pkg.requestedPermissions.indexOf(bp.name); 3816 if (index == -1) { 3817 throw new SecurityException("Package " + pkg.packageName 3818 + " has not requested permission " + bp.name); 3819 } 3820 if (!bp.isRuntime() && !bp.isDevelopment()) { 3821 throw new SecurityException("Permission " + bp.name 3822 + " is not a changeable permission type"); 3823 } 3824 } 3825 3826 @Override 3827 public void grantRuntimePermission(String packageName, String name, final int userId) { 3828 if (!sUserManager.exists(userId)) { 3829 Log.e(TAG, "No such user:" + userId); 3830 return; 3831 } 3832 3833 mContext.enforceCallingOrSelfPermission( 3834 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3835 "grantRuntimePermission"); 3836 3837 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3838 "grantRuntimePermission"); 3839 3840 final int uid; 3841 final SettingBase sb; 3842 3843 synchronized (mPackages) { 3844 final PackageParser.Package pkg = mPackages.get(packageName); 3845 if (pkg == null) { 3846 throw new IllegalArgumentException("Unknown package: " + packageName); 3847 } 3848 3849 final BasePermission bp = mSettings.mPermissions.get(name); 3850 if (bp == null) { 3851 throw new IllegalArgumentException("Unknown permission: " + name); 3852 } 3853 3854 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3855 3856 // If a permission review is required for legacy apps we represent 3857 // their permissions as always granted runtime ones since we need 3858 // to keep the review required permission flag per user while an 3859 // install permission's state is shared across all users. 3860 if (Build.PERMISSIONS_REVIEW_REQUIRED 3861 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3862 && bp.isRuntime()) { 3863 return; 3864 } 3865 3866 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3867 sb = (SettingBase) pkg.mExtras; 3868 if (sb == null) { 3869 throw new IllegalArgumentException("Unknown package: " + packageName); 3870 } 3871 3872 final PermissionsState permissionsState = sb.getPermissionsState(); 3873 3874 final int flags = permissionsState.getPermissionFlags(name, userId); 3875 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3876 throw new SecurityException("Cannot grant system fixed permission " 3877 + name + " for package " + packageName); 3878 } 3879 3880 if (bp.isDevelopment()) { 3881 // Development permissions must be handled specially, since they are not 3882 // normal runtime permissions. For now they apply to all users. 3883 if (permissionsState.grantInstallPermission(bp) != 3884 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3885 scheduleWriteSettingsLocked(); 3886 } 3887 return; 3888 } 3889 3890 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3891 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3892 return; 3893 } 3894 3895 final int result = permissionsState.grantRuntimePermission(bp, userId); 3896 switch (result) { 3897 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3898 return; 3899 } 3900 3901 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3902 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3903 mHandler.post(new Runnable() { 3904 @Override 3905 public void run() { 3906 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3907 } 3908 }); 3909 } 3910 break; 3911 } 3912 3913 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3914 3915 // Not critical if that is lost - app has to request again. 3916 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3917 } 3918 3919 // Only need to do this if user is initialized. Otherwise it's a new user 3920 // and there are no processes running as the user yet and there's no need 3921 // to make an expensive call to remount processes for the changed permissions. 3922 if (READ_EXTERNAL_STORAGE.equals(name) 3923 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3924 final long token = Binder.clearCallingIdentity(); 3925 try { 3926 if (sUserManager.isInitialized(userId)) { 3927 MountServiceInternal mountServiceInternal = LocalServices.getService( 3928 MountServiceInternal.class); 3929 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3930 } 3931 } finally { 3932 Binder.restoreCallingIdentity(token); 3933 } 3934 } 3935 } 3936 3937 @Override 3938 public void revokeRuntimePermission(String packageName, String name, int userId) { 3939 if (!sUserManager.exists(userId)) { 3940 Log.e(TAG, "No such user:" + userId); 3941 return; 3942 } 3943 3944 mContext.enforceCallingOrSelfPermission( 3945 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3946 "revokeRuntimePermission"); 3947 3948 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3949 "revokeRuntimePermission"); 3950 3951 final int appId; 3952 3953 synchronized (mPackages) { 3954 final PackageParser.Package pkg = mPackages.get(packageName); 3955 if (pkg == null) { 3956 throw new IllegalArgumentException("Unknown package: " + packageName); 3957 } 3958 3959 final BasePermission bp = mSettings.mPermissions.get(name); 3960 if (bp == null) { 3961 throw new IllegalArgumentException("Unknown permission: " + name); 3962 } 3963 3964 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3965 3966 // If a permission review is required for legacy apps we represent 3967 // their permissions as always granted runtime ones since we need 3968 // to keep the review required permission flag per user while an 3969 // install permission's state is shared across all users. 3970 if (Build.PERMISSIONS_REVIEW_REQUIRED 3971 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3972 && bp.isRuntime()) { 3973 return; 3974 } 3975 3976 SettingBase sb = (SettingBase) pkg.mExtras; 3977 if (sb == null) { 3978 throw new IllegalArgumentException("Unknown package: " + packageName); 3979 } 3980 3981 final PermissionsState permissionsState = sb.getPermissionsState(); 3982 3983 final int flags = permissionsState.getPermissionFlags(name, userId); 3984 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3985 throw new SecurityException("Cannot revoke system fixed permission " 3986 + name + " for package " + packageName); 3987 } 3988 3989 if (bp.isDevelopment()) { 3990 // Development permissions must be handled specially, since they are not 3991 // normal runtime permissions. For now they apply to all users. 3992 if (permissionsState.revokeInstallPermission(bp) != 3993 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3994 scheduleWriteSettingsLocked(); 3995 } 3996 return; 3997 } 3998 3999 if (permissionsState.revokeRuntimePermission(bp, userId) == 4000 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4001 return; 4002 } 4003 4004 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4005 4006 // Critical, after this call app should never have the permission. 4007 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4008 4009 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4010 } 4011 4012 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4013 } 4014 4015 @Override 4016 public void resetRuntimePermissions() { 4017 mContext.enforceCallingOrSelfPermission( 4018 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4019 "revokeRuntimePermission"); 4020 4021 int callingUid = Binder.getCallingUid(); 4022 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4023 mContext.enforceCallingOrSelfPermission( 4024 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4025 "resetRuntimePermissions"); 4026 } 4027 4028 synchronized (mPackages) { 4029 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4030 for (int userId : UserManagerService.getInstance().getUserIds()) { 4031 final int packageCount = mPackages.size(); 4032 for (int i = 0; i < packageCount; i++) { 4033 PackageParser.Package pkg = mPackages.valueAt(i); 4034 if (!(pkg.mExtras instanceof PackageSetting)) { 4035 continue; 4036 } 4037 PackageSetting ps = (PackageSetting) pkg.mExtras; 4038 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4039 } 4040 } 4041 } 4042 } 4043 4044 @Override 4045 public int getPermissionFlags(String name, String packageName, int userId) { 4046 if (!sUserManager.exists(userId)) { 4047 return 0; 4048 } 4049 4050 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4051 4052 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4053 "getPermissionFlags"); 4054 4055 synchronized (mPackages) { 4056 final PackageParser.Package pkg = mPackages.get(packageName); 4057 if (pkg == null) { 4058 throw new IllegalArgumentException("Unknown package: " + packageName); 4059 } 4060 4061 final BasePermission bp = mSettings.mPermissions.get(name); 4062 if (bp == null) { 4063 throw new IllegalArgumentException("Unknown permission: " + name); 4064 } 4065 4066 SettingBase sb = (SettingBase) pkg.mExtras; 4067 if (sb == null) { 4068 throw new IllegalArgumentException("Unknown package: " + packageName); 4069 } 4070 4071 PermissionsState permissionsState = sb.getPermissionsState(); 4072 return permissionsState.getPermissionFlags(name, userId); 4073 } 4074 } 4075 4076 @Override 4077 public void updatePermissionFlags(String name, String packageName, int flagMask, 4078 int flagValues, int userId) { 4079 if (!sUserManager.exists(userId)) { 4080 return; 4081 } 4082 4083 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4084 4085 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4086 "updatePermissionFlags"); 4087 4088 // Only the system can change these flags and nothing else. 4089 if (getCallingUid() != Process.SYSTEM_UID) { 4090 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4091 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4092 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4093 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4094 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4095 } 4096 4097 synchronized (mPackages) { 4098 final PackageParser.Package pkg = mPackages.get(packageName); 4099 if (pkg == null) { 4100 throw new IllegalArgumentException("Unknown package: " + packageName); 4101 } 4102 4103 final BasePermission bp = mSettings.mPermissions.get(name); 4104 if (bp == null) { 4105 throw new IllegalArgumentException("Unknown permission: " + name); 4106 } 4107 4108 SettingBase sb = (SettingBase) pkg.mExtras; 4109 if (sb == null) { 4110 throw new IllegalArgumentException("Unknown package: " + packageName); 4111 } 4112 4113 PermissionsState permissionsState = sb.getPermissionsState(); 4114 4115 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4116 4117 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4118 // Install and runtime permissions are stored in different places, 4119 // so figure out what permission changed and persist the change. 4120 if (permissionsState.getInstallPermissionState(name) != null) { 4121 scheduleWriteSettingsLocked(); 4122 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4123 || hadState) { 4124 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4125 } 4126 } 4127 } 4128 } 4129 4130 /** 4131 * Update the permission flags for all packages and runtime permissions of a user in order 4132 * to allow device or profile owner to remove POLICY_FIXED. 4133 */ 4134 @Override 4135 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4136 if (!sUserManager.exists(userId)) { 4137 return; 4138 } 4139 4140 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4141 4142 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4143 "updatePermissionFlagsForAllApps"); 4144 4145 // Only the system can change system fixed flags. 4146 if (getCallingUid() != Process.SYSTEM_UID) { 4147 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4148 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4149 } 4150 4151 synchronized (mPackages) { 4152 boolean changed = false; 4153 final int packageCount = mPackages.size(); 4154 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4155 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4156 SettingBase sb = (SettingBase) pkg.mExtras; 4157 if (sb == null) { 4158 continue; 4159 } 4160 PermissionsState permissionsState = sb.getPermissionsState(); 4161 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4162 userId, flagMask, flagValues); 4163 } 4164 if (changed) { 4165 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4166 } 4167 } 4168 } 4169 4170 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4171 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4172 != PackageManager.PERMISSION_GRANTED 4173 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4174 != PackageManager.PERMISSION_GRANTED) { 4175 throw new SecurityException(message + " requires " 4176 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4177 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4178 } 4179 } 4180 4181 @Override 4182 public boolean shouldShowRequestPermissionRationale(String permissionName, 4183 String packageName, int userId) { 4184 if (UserHandle.getCallingUserId() != userId) { 4185 mContext.enforceCallingPermission( 4186 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4187 "canShowRequestPermissionRationale for user " + userId); 4188 } 4189 4190 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4191 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4192 return false; 4193 } 4194 4195 if (checkPermission(permissionName, packageName, userId) 4196 == PackageManager.PERMISSION_GRANTED) { 4197 return false; 4198 } 4199 4200 final int flags; 4201 4202 final long identity = Binder.clearCallingIdentity(); 4203 try { 4204 flags = getPermissionFlags(permissionName, 4205 packageName, userId); 4206 } finally { 4207 Binder.restoreCallingIdentity(identity); 4208 } 4209 4210 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4211 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4212 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4213 4214 if ((flags & fixedFlags) != 0) { 4215 return false; 4216 } 4217 4218 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4219 } 4220 4221 @Override 4222 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4223 mContext.enforceCallingOrSelfPermission( 4224 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4225 "addOnPermissionsChangeListener"); 4226 4227 synchronized (mPackages) { 4228 mOnPermissionChangeListeners.addListenerLocked(listener); 4229 } 4230 } 4231 4232 @Override 4233 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4234 synchronized (mPackages) { 4235 mOnPermissionChangeListeners.removeListenerLocked(listener); 4236 } 4237 } 4238 4239 @Override 4240 public boolean isProtectedBroadcast(String actionName) { 4241 synchronized (mPackages) { 4242 if (mProtectedBroadcasts.contains(actionName)) { 4243 return true; 4244 } else if (actionName != null) { 4245 // TODO: remove these terrible hacks 4246 if (actionName.startsWith("android.net.netmon.lingerExpired") 4247 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4248 || actionName.startsWith("com.android.internal.telephony.data-reconnect")) { 4249 return true; 4250 } 4251 } 4252 } 4253 return false; 4254 } 4255 4256 @Override 4257 public int checkSignatures(String pkg1, String pkg2) { 4258 synchronized (mPackages) { 4259 final PackageParser.Package p1 = mPackages.get(pkg1); 4260 final PackageParser.Package p2 = mPackages.get(pkg2); 4261 if (p1 == null || p1.mExtras == null 4262 || p2 == null || p2.mExtras == null) { 4263 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4264 } 4265 return compareSignatures(p1.mSignatures, p2.mSignatures); 4266 } 4267 } 4268 4269 @Override 4270 public int checkUidSignatures(int uid1, int uid2) { 4271 // Map to base uids. 4272 uid1 = UserHandle.getAppId(uid1); 4273 uid2 = UserHandle.getAppId(uid2); 4274 // reader 4275 synchronized (mPackages) { 4276 Signature[] s1; 4277 Signature[] s2; 4278 Object obj = mSettings.getUserIdLPr(uid1); 4279 if (obj != null) { 4280 if (obj instanceof SharedUserSetting) { 4281 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4282 } else if (obj instanceof PackageSetting) { 4283 s1 = ((PackageSetting)obj).signatures.mSignatures; 4284 } else { 4285 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4286 } 4287 } else { 4288 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4289 } 4290 obj = mSettings.getUserIdLPr(uid2); 4291 if (obj != null) { 4292 if (obj instanceof SharedUserSetting) { 4293 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4294 } else if (obj instanceof PackageSetting) { 4295 s2 = ((PackageSetting)obj).signatures.mSignatures; 4296 } else { 4297 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4298 } 4299 } else { 4300 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4301 } 4302 return compareSignatures(s1, s2); 4303 } 4304 } 4305 4306 private void killUid(int appId, int userId, String reason) { 4307 final long identity = Binder.clearCallingIdentity(); 4308 try { 4309 IActivityManager am = ActivityManagerNative.getDefault(); 4310 if (am != null) { 4311 try { 4312 am.killUid(appId, userId, reason); 4313 } catch (RemoteException e) { 4314 /* ignore - same process */ 4315 } 4316 } 4317 } finally { 4318 Binder.restoreCallingIdentity(identity); 4319 } 4320 } 4321 4322 /** 4323 * Compares two sets of signatures. Returns: 4324 * <br /> 4325 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4326 * <br /> 4327 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4328 * <br /> 4329 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4330 * <br /> 4331 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4332 * <br /> 4333 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4334 */ 4335 static int compareSignatures(Signature[] s1, Signature[] s2) { 4336 if (s1 == null) { 4337 return s2 == null 4338 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4339 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4340 } 4341 4342 if (s2 == null) { 4343 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4344 } 4345 4346 if (s1.length != s2.length) { 4347 return PackageManager.SIGNATURE_NO_MATCH; 4348 } 4349 4350 // Since both signature sets are of size 1, we can compare without HashSets. 4351 if (s1.length == 1) { 4352 return s1[0].equals(s2[0]) ? 4353 PackageManager.SIGNATURE_MATCH : 4354 PackageManager.SIGNATURE_NO_MATCH; 4355 } 4356 4357 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4358 for (Signature sig : s1) { 4359 set1.add(sig); 4360 } 4361 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4362 for (Signature sig : s2) { 4363 set2.add(sig); 4364 } 4365 // Make sure s2 contains all signatures in s1. 4366 if (set1.equals(set2)) { 4367 return PackageManager.SIGNATURE_MATCH; 4368 } 4369 return PackageManager.SIGNATURE_NO_MATCH; 4370 } 4371 4372 /** 4373 * If the database version for this type of package (internal storage or 4374 * external storage) is less than the version where package signatures 4375 * were updated, return true. 4376 */ 4377 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4378 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4379 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4380 } 4381 4382 /** 4383 * Used for backward compatibility to make sure any packages with 4384 * certificate chains get upgraded to the new style. {@code existingSigs} 4385 * will be in the old format (since they were stored on disk from before the 4386 * system upgrade) and {@code scannedSigs} will be in the newer format. 4387 */ 4388 private int compareSignaturesCompat(PackageSignatures existingSigs, 4389 PackageParser.Package scannedPkg) { 4390 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4391 return PackageManager.SIGNATURE_NO_MATCH; 4392 } 4393 4394 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4395 for (Signature sig : existingSigs.mSignatures) { 4396 existingSet.add(sig); 4397 } 4398 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4399 for (Signature sig : scannedPkg.mSignatures) { 4400 try { 4401 Signature[] chainSignatures = sig.getChainSignatures(); 4402 for (Signature chainSig : chainSignatures) { 4403 scannedCompatSet.add(chainSig); 4404 } 4405 } catch (CertificateEncodingException e) { 4406 scannedCompatSet.add(sig); 4407 } 4408 } 4409 /* 4410 * Make sure the expanded scanned set contains all signatures in the 4411 * existing one. 4412 */ 4413 if (scannedCompatSet.equals(existingSet)) { 4414 // Migrate the old signatures to the new scheme. 4415 existingSigs.assignSignatures(scannedPkg.mSignatures); 4416 // The new KeySets will be re-added later in the scanning process. 4417 synchronized (mPackages) { 4418 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4419 } 4420 return PackageManager.SIGNATURE_MATCH; 4421 } 4422 return PackageManager.SIGNATURE_NO_MATCH; 4423 } 4424 4425 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4426 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4427 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4428 } 4429 4430 private int compareSignaturesRecover(PackageSignatures existingSigs, 4431 PackageParser.Package scannedPkg) { 4432 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4433 return PackageManager.SIGNATURE_NO_MATCH; 4434 } 4435 4436 String msg = null; 4437 try { 4438 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4439 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4440 + scannedPkg.packageName); 4441 return PackageManager.SIGNATURE_MATCH; 4442 } 4443 } catch (CertificateException e) { 4444 msg = e.getMessage(); 4445 } 4446 4447 logCriticalInfo(Log.INFO, 4448 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4449 return PackageManager.SIGNATURE_NO_MATCH; 4450 } 4451 4452 @Override 4453 public String[] getPackagesForUid(int uid) { 4454 uid = UserHandle.getAppId(uid); 4455 // reader 4456 synchronized (mPackages) { 4457 Object obj = mSettings.getUserIdLPr(uid); 4458 if (obj instanceof SharedUserSetting) { 4459 final SharedUserSetting sus = (SharedUserSetting) obj; 4460 final int N = sus.packages.size(); 4461 final String[] res = new String[N]; 4462 final Iterator<PackageSetting> it = sus.packages.iterator(); 4463 int i = 0; 4464 while (it.hasNext()) { 4465 res[i++] = it.next().name; 4466 } 4467 return res; 4468 } else if (obj instanceof PackageSetting) { 4469 final PackageSetting ps = (PackageSetting) obj; 4470 return new String[] { ps.name }; 4471 } 4472 } 4473 return null; 4474 } 4475 4476 @Override 4477 public String getNameForUid(int uid) { 4478 // reader 4479 synchronized (mPackages) { 4480 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4481 if (obj instanceof SharedUserSetting) { 4482 final SharedUserSetting sus = (SharedUserSetting) obj; 4483 return sus.name + ":" + sus.userId; 4484 } else if (obj instanceof PackageSetting) { 4485 final PackageSetting ps = (PackageSetting) obj; 4486 return ps.name; 4487 } 4488 } 4489 return null; 4490 } 4491 4492 @Override 4493 public int getUidForSharedUser(String sharedUserName) { 4494 if(sharedUserName == null) { 4495 return -1; 4496 } 4497 // reader 4498 synchronized (mPackages) { 4499 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4500 if (suid == null) { 4501 return -1; 4502 } 4503 return suid.userId; 4504 } 4505 } 4506 4507 @Override 4508 public int getFlagsForUid(int uid) { 4509 synchronized (mPackages) { 4510 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4511 if (obj instanceof SharedUserSetting) { 4512 final SharedUserSetting sus = (SharedUserSetting) obj; 4513 return sus.pkgFlags; 4514 } else if (obj instanceof PackageSetting) { 4515 final PackageSetting ps = (PackageSetting) obj; 4516 return ps.pkgFlags; 4517 } 4518 } 4519 return 0; 4520 } 4521 4522 @Override 4523 public int getPrivateFlagsForUid(int uid) { 4524 synchronized (mPackages) { 4525 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4526 if (obj instanceof SharedUserSetting) { 4527 final SharedUserSetting sus = (SharedUserSetting) obj; 4528 return sus.pkgPrivateFlags; 4529 } else if (obj instanceof PackageSetting) { 4530 final PackageSetting ps = (PackageSetting) obj; 4531 return ps.pkgPrivateFlags; 4532 } 4533 } 4534 return 0; 4535 } 4536 4537 @Override 4538 public boolean isUidPrivileged(int uid) { 4539 uid = UserHandle.getAppId(uid); 4540 // reader 4541 synchronized (mPackages) { 4542 Object obj = mSettings.getUserIdLPr(uid); 4543 if (obj instanceof SharedUserSetting) { 4544 final SharedUserSetting sus = (SharedUserSetting) obj; 4545 final Iterator<PackageSetting> it = sus.packages.iterator(); 4546 while (it.hasNext()) { 4547 if (it.next().isPrivileged()) { 4548 return true; 4549 } 4550 } 4551 } else if (obj instanceof PackageSetting) { 4552 final PackageSetting ps = (PackageSetting) obj; 4553 return ps.isPrivileged(); 4554 } 4555 } 4556 return false; 4557 } 4558 4559 @Override 4560 public String[] getAppOpPermissionPackages(String permissionName) { 4561 synchronized (mPackages) { 4562 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4563 if (pkgs == null) { 4564 return null; 4565 } 4566 return pkgs.toArray(new String[pkgs.size()]); 4567 } 4568 } 4569 4570 @Override 4571 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4572 int flags, int userId) { 4573 if (!sUserManager.exists(userId)) return null; 4574 flags = updateFlagsForResolve(flags, userId, intent); 4575 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4576 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4577 final ResolveInfo bestChoice = 4578 chooseBestActivity(intent, resolvedType, flags, query, userId); 4579 4580 if (isEphemeralAllowed(intent, query, userId)) { 4581 final EphemeralResolveInfo ai = 4582 getEphemeralResolveInfo(intent, resolvedType, userId); 4583 if (ai != null) { 4584 if (DEBUG_EPHEMERAL) { 4585 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4586 } 4587 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4588 bestChoice.ephemeralResolveInfo = ai; 4589 } 4590 } 4591 return bestChoice; 4592 } 4593 4594 @Override 4595 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4596 IntentFilter filter, int match, ComponentName activity) { 4597 final int userId = UserHandle.getCallingUserId(); 4598 if (DEBUG_PREFERRED) { 4599 Log.v(TAG, "setLastChosenActivity intent=" + intent 4600 + " resolvedType=" + resolvedType 4601 + " flags=" + flags 4602 + " filter=" + filter 4603 + " match=" + match 4604 + " activity=" + activity); 4605 filter.dump(new PrintStreamPrinter(System.out), " "); 4606 } 4607 intent.setComponent(null); 4608 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4609 // Find any earlier preferred or last chosen entries and nuke them 4610 findPreferredActivity(intent, resolvedType, 4611 flags, query, 0, false, true, false, userId); 4612 // Add the new activity as the last chosen for this filter 4613 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4614 "Setting last chosen"); 4615 } 4616 4617 @Override 4618 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4619 final int userId = UserHandle.getCallingUserId(); 4620 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4621 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4622 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4623 false, false, false, userId); 4624 } 4625 4626 4627 private boolean isEphemeralAllowed( 4628 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4629 // Short circuit and return early if possible. 4630 if (DISABLE_EPHEMERAL_APPS) { 4631 return false; 4632 } 4633 final int callingUser = UserHandle.getCallingUserId(); 4634 if (callingUser != UserHandle.USER_SYSTEM) { 4635 return false; 4636 } 4637 if (mEphemeralResolverConnection == null) { 4638 return false; 4639 } 4640 if (intent.getComponent() != null) { 4641 return false; 4642 } 4643 if (intent.getPackage() != null) { 4644 return false; 4645 } 4646 final boolean isWebUri = hasWebURI(intent); 4647 if (!isWebUri) { 4648 return false; 4649 } 4650 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4651 synchronized (mPackages) { 4652 final int count = resolvedActivites.size(); 4653 for (int n = 0; n < count; n++) { 4654 ResolveInfo info = resolvedActivites.get(n); 4655 String packageName = info.activityInfo.packageName; 4656 PackageSetting ps = mSettings.mPackages.get(packageName); 4657 if (ps != null) { 4658 // Try to get the status from User settings first 4659 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4660 int status = (int) (packedStatus >> 32); 4661 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4662 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4663 if (DEBUG_EPHEMERAL) { 4664 Slog.v(TAG, "DENY ephemeral apps;" 4665 + " pkg: " + packageName + ", status: " + status); 4666 } 4667 return false; 4668 } 4669 } 4670 } 4671 } 4672 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4673 return true; 4674 } 4675 4676 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4677 int userId) { 4678 MessageDigest digest = null; 4679 try { 4680 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4681 } catch (NoSuchAlgorithmException e) { 4682 // If we can't create a digest, ignore ephemeral apps. 4683 return null; 4684 } 4685 4686 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4687 final byte[] digestBytes = digest.digest(hostBytes); 4688 int shaPrefix = 4689 digestBytes[0] << 24 4690 | digestBytes[1] << 16 4691 | digestBytes[2] << 8 4692 | digestBytes[3] << 0; 4693 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4694 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4695 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4696 // No hash prefix match; there are no ephemeral apps for this domain. 4697 return null; 4698 } 4699 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4700 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4701 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4702 continue; 4703 } 4704 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4705 // No filters; this should never happen. 4706 if (filters.isEmpty()) { 4707 continue; 4708 } 4709 // We have a domain match; resolve the filters to see if anything matches. 4710 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4711 for (int j = filters.size() - 1; j >= 0; --j) { 4712 final EphemeralResolveIntentInfo intentInfo = 4713 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4714 ephemeralResolver.addFilter(intentInfo); 4715 } 4716 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4717 intent, resolvedType, false /*defaultOnly*/, userId); 4718 if (!matchedResolveInfoList.isEmpty()) { 4719 return matchedResolveInfoList.get(0); 4720 } 4721 } 4722 // Hash or filter mis-match; no ephemeral apps for this domain. 4723 return null; 4724 } 4725 4726 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4727 int flags, List<ResolveInfo> query, int userId) { 4728 if (query != null) { 4729 final int N = query.size(); 4730 if (N == 1) { 4731 return query.get(0); 4732 } else if (N > 1) { 4733 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4734 // If there is more than one activity with the same priority, 4735 // then let the user decide between them. 4736 ResolveInfo r0 = query.get(0); 4737 ResolveInfo r1 = query.get(1); 4738 if (DEBUG_INTENT_MATCHING || debug) { 4739 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4740 + r1.activityInfo.name + "=" + r1.priority); 4741 } 4742 // If the first activity has a higher priority, or a different 4743 // default, then it is always desirable to pick it. 4744 if (r0.priority != r1.priority 4745 || r0.preferredOrder != r1.preferredOrder 4746 || r0.isDefault != r1.isDefault) { 4747 return query.get(0); 4748 } 4749 // If we have saved a preference for a preferred activity for 4750 // this Intent, use that. 4751 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4752 flags, query, r0.priority, true, false, debug, userId); 4753 if (ri != null) { 4754 return ri; 4755 } 4756 ri = new ResolveInfo(mResolveInfo); 4757 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4758 ri.activityInfo.applicationInfo = new ApplicationInfo( 4759 ri.activityInfo.applicationInfo); 4760 if (userId != 0) { 4761 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4762 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4763 } 4764 // Make sure that the resolver is displayable in car mode 4765 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4766 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4767 return ri; 4768 } 4769 } 4770 return null; 4771 } 4772 4773 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4774 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4775 final int N = query.size(); 4776 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4777 .get(userId); 4778 // Get the list of persistent preferred activities that handle the intent 4779 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4780 List<PersistentPreferredActivity> pprefs = ppir != null 4781 ? ppir.queryIntent(intent, resolvedType, 4782 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4783 : null; 4784 if (pprefs != null && pprefs.size() > 0) { 4785 final int M = pprefs.size(); 4786 for (int i=0; i<M; i++) { 4787 final PersistentPreferredActivity ppa = pprefs.get(i); 4788 if (DEBUG_PREFERRED || debug) { 4789 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4790 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4791 + "\n component=" + ppa.mComponent); 4792 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4793 } 4794 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4795 flags | MATCH_DISABLED_COMPONENTS, userId); 4796 if (DEBUG_PREFERRED || debug) { 4797 Slog.v(TAG, "Found persistent preferred activity:"); 4798 if (ai != null) { 4799 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4800 } else { 4801 Slog.v(TAG, " null"); 4802 } 4803 } 4804 if (ai == null) { 4805 // This previously registered persistent preferred activity 4806 // component is no longer known. Ignore it and do NOT remove it. 4807 continue; 4808 } 4809 for (int j=0; j<N; j++) { 4810 final ResolveInfo ri = query.get(j); 4811 if (!ri.activityInfo.applicationInfo.packageName 4812 .equals(ai.applicationInfo.packageName)) { 4813 continue; 4814 } 4815 if (!ri.activityInfo.name.equals(ai.name)) { 4816 continue; 4817 } 4818 // Found a persistent preference that can handle the intent. 4819 if (DEBUG_PREFERRED || debug) { 4820 Slog.v(TAG, "Returning persistent preferred activity: " + 4821 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4822 } 4823 return ri; 4824 } 4825 } 4826 } 4827 return null; 4828 } 4829 4830 // TODO: handle preferred activities missing while user has amnesia 4831 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4832 List<ResolveInfo> query, int priority, boolean always, 4833 boolean removeMatches, boolean debug, int userId) { 4834 if (!sUserManager.exists(userId)) return null; 4835 flags = updateFlagsForResolve(flags, userId, intent); 4836 // writer 4837 synchronized (mPackages) { 4838 if (intent.getSelector() != null) { 4839 intent = intent.getSelector(); 4840 } 4841 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4842 4843 // Try to find a matching persistent preferred activity. 4844 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4845 debug, userId); 4846 4847 // If a persistent preferred activity matched, use it. 4848 if (pri != null) { 4849 return pri; 4850 } 4851 4852 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4853 // Get the list of preferred activities that handle the intent 4854 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4855 List<PreferredActivity> prefs = pir != null 4856 ? pir.queryIntent(intent, resolvedType, 4857 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4858 : null; 4859 if (prefs != null && prefs.size() > 0) { 4860 boolean changed = false; 4861 try { 4862 // First figure out how good the original match set is. 4863 // We will only allow preferred activities that came 4864 // from the same match quality. 4865 int match = 0; 4866 4867 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4868 4869 final int N = query.size(); 4870 for (int j=0; j<N; j++) { 4871 final ResolveInfo ri = query.get(j); 4872 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4873 + ": 0x" + Integer.toHexString(match)); 4874 if (ri.match > match) { 4875 match = ri.match; 4876 } 4877 } 4878 4879 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4880 + Integer.toHexString(match)); 4881 4882 match &= IntentFilter.MATCH_CATEGORY_MASK; 4883 final int M = prefs.size(); 4884 for (int i=0; i<M; i++) { 4885 final PreferredActivity pa = prefs.get(i); 4886 if (DEBUG_PREFERRED || debug) { 4887 Slog.v(TAG, "Checking PreferredActivity ds=" 4888 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4889 + "\n component=" + pa.mPref.mComponent); 4890 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4891 } 4892 if (pa.mPref.mMatch != match) { 4893 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4894 + Integer.toHexString(pa.mPref.mMatch)); 4895 continue; 4896 } 4897 // If it's not an "always" type preferred activity and that's what we're 4898 // looking for, skip it. 4899 if (always && !pa.mPref.mAlways) { 4900 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4901 continue; 4902 } 4903 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4904 flags | MATCH_DISABLED_COMPONENTS, userId); 4905 if (DEBUG_PREFERRED || debug) { 4906 Slog.v(TAG, "Found preferred activity:"); 4907 if (ai != null) { 4908 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4909 } else { 4910 Slog.v(TAG, " null"); 4911 } 4912 } 4913 if (ai == null) { 4914 // This previously registered preferred activity 4915 // component is no longer known. Most likely an update 4916 // to the app was installed and in the new version this 4917 // component no longer exists. Clean it up by removing 4918 // it from the preferred activities list, and skip it. 4919 Slog.w(TAG, "Removing dangling preferred activity: " 4920 + pa.mPref.mComponent); 4921 pir.removeFilter(pa); 4922 changed = true; 4923 continue; 4924 } 4925 for (int j=0; j<N; j++) { 4926 final ResolveInfo ri = query.get(j); 4927 if (!ri.activityInfo.applicationInfo.packageName 4928 .equals(ai.applicationInfo.packageName)) { 4929 continue; 4930 } 4931 if (!ri.activityInfo.name.equals(ai.name)) { 4932 continue; 4933 } 4934 4935 if (removeMatches) { 4936 pir.removeFilter(pa); 4937 changed = true; 4938 if (DEBUG_PREFERRED) { 4939 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4940 } 4941 break; 4942 } 4943 4944 // Okay we found a previously set preferred or last chosen app. 4945 // If the result set is different from when this 4946 // was created, we need to clear it and re-ask the 4947 // user their preference, if we're looking for an "always" type entry. 4948 if (always && !pa.mPref.sameSet(query)) { 4949 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4950 + intent + " type " + resolvedType); 4951 if (DEBUG_PREFERRED) { 4952 Slog.v(TAG, "Removing preferred activity since set changed " 4953 + pa.mPref.mComponent); 4954 } 4955 pir.removeFilter(pa); 4956 // Re-add the filter as a "last chosen" entry (!always) 4957 PreferredActivity lastChosen = new PreferredActivity( 4958 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4959 pir.addFilter(lastChosen); 4960 changed = true; 4961 return null; 4962 } 4963 4964 // Yay! Either the set matched or we're looking for the last chosen 4965 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4966 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4967 return ri; 4968 } 4969 } 4970 } finally { 4971 if (changed) { 4972 if (DEBUG_PREFERRED) { 4973 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4974 } 4975 scheduleWritePackageRestrictionsLocked(userId); 4976 } 4977 } 4978 } 4979 } 4980 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4981 return null; 4982 } 4983 4984 /* 4985 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4986 */ 4987 @Override 4988 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4989 int targetUserId) { 4990 mContext.enforceCallingOrSelfPermission( 4991 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4992 List<CrossProfileIntentFilter> matches = 4993 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4994 if (matches != null) { 4995 int size = matches.size(); 4996 for (int i = 0; i < size; i++) { 4997 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4998 } 4999 } 5000 if (hasWebURI(intent)) { 5001 // cross-profile app linking works only towards the parent. 5002 final UserInfo parent = getProfileParent(sourceUserId); 5003 synchronized(mPackages) { 5004 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5005 intent, resolvedType, 0, sourceUserId, parent.id); 5006 return xpDomainInfo != null; 5007 } 5008 } 5009 return false; 5010 } 5011 5012 private UserInfo getProfileParent(int userId) { 5013 final long identity = Binder.clearCallingIdentity(); 5014 try { 5015 return sUserManager.getProfileParent(userId); 5016 } finally { 5017 Binder.restoreCallingIdentity(identity); 5018 } 5019 } 5020 5021 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5022 String resolvedType, int userId) { 5023 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5024 if (resolver != null) { 5025 return resolver.queryIntent(intent, resolvedType, false, userId); 5026 } 5027 return null; 5028 } 5029 5030 @Override 5031 public List<ResolveInfo> queryIntentActivities(Intent intent, 5032 String resolvedType, int flags, int userId) { 5033 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5034 flags = updateFlagsForResolve(flags, userId, intent); 5035 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 5036 ComponentName comp = intent.getComponent(); 5037 if (comp == null) { 5038 if (intent.getSelector() != null) { 5039 intent = intent.getSelector(); 5040 comp = intent.getComponent(); 5041 } 5042 } 5043 5044 if (comp != null) { 5045 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5046 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5047 if (ai != null) { 5048 final ResolveInfo ri = new ResolveInfo(); 5049 ri.activityInfo = ai; 5050 list.add(ri); 5051 } 5052 return list; 5053 } 5054 5055 // reader 5056 synchronized (mPackages) { 5057 final String pkgName = intent.getPackage(); 5058 if (pkgName == null) { 5059 List<CrossProfileIntentFilter> matchingFilters = 5060 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5061 // Check for results that need to skip the current profile. 5062 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5063 resolvedType, flags, userId); 5064 if (xpResolveInfo != null) { 5065 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5066 result.add(xpResolveInfo); 5067 return filterIfNotSystemUser(result, userId); 5068 } 5069 5070 // Check for results in the current profile. 5071 List<ResolveInfo> result = mActivities.queryIntent( 5072 intent, resolvedType, flags, userId); 5073 result = filterIfNotSystemUser(result, userId); 5074 5075 // Check for cross profile results. 5076 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5077 xpResolveInfo = queryCrossProfileIntents( 5078 matchingFilters, intent, resolvedType, flags, userId, 5079 hasNonNegativePriorityResult); 5080 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5081 boolean isVisibleToUser = filterIfNotSystemUser( 5082 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5083 if (isVisibleToUser) { 5084 result.add(xpResolveInfo); 5085 Collections.sort(result, mResolvePrioritySorter); 5086 } 5087 } 5088 if (hasWebURI(intent)) { 5089 CrossProfileDomainInfo xpDomainInfo = null; 5090 final UserInfo parent = getProfileParent(userId); 5091 if (parent != null) { 5092 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5093 flags, userId, parent.id); 5094 } 5095 if (xpDomainInfo != null) { 5096 if (xpResolveInfo != null) { 5097 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5098 // in the result. 5099 result.remove(xpResolveInfo); 5100 } 5101 if (result.size() == 0) { 5102 result.add(xpDomainInfo.resolveInfo); 5103 return result; 5104 } 5105 } else if (result.size() <= 1) { 5106 return result; 5107 } 5108 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5109 xpDomainInfo, userId); 5110 Collections.sort(result, mResolvePrioritySorter); 5111 } 5112 return result; 5113 } 5114 final PackageParser.Package pkg = mPackages.get(pkgName); 5115 if (pkg != null) { 5116 return filterIfNotSystemUser( 5117 mActivities.queryIntentForPackage( 5118 intent, resolvedType, flags, pkg.activities, userId), 5119 userId); 5120 } 5121 return new ArrayList<ResolveInfo>(); 5122 } 5123 } 5124 5125 private static class CrossProfileDomainInfo { 5126 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5127 ResolveInfo resolveInfo; 5128 /* Best domain verification status of the activities found in the other profile */ 5129 int bestDomainVerificationStatus; 5130 } 5131 5132 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5133 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5134 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5135 sourceUserId)) { 5136 return null; 5137 } 5138 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5139 resolvedType, flags, parentUserId); 5140 5141 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5142 return null; 5143 } 5144 CrossProfileDomainInfo result = null; 5145 int size = resultTargetUser.size(); 5146 for (int i = 0; i < size; i++) { 5147 ResolveInfo riTargetUser = resultTargetUser.get(i); 5148 // Intent filter verification is only for filters that specify a host. So don't return 5149 // those that handle all web uris. 5150 if (riTargetUser.handleAllWebDataURI) { 5151 continue; 5152 } 5153 String packageName = riTargetUser.activityInfo.packageName; 5154 PackageSetting ps = mSettings.mPackages.get(packageName); 5155 if (ps == null) { 5156 continue; 5157 } 5158 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5159 int status = (int)(verificationState >> 32); 5160 if (result == null) { 5161 result = new CrossProfileDomainInfo(); 5162 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5163 sourceUserId, parentUserId); 5164 result.bestDomainVerificationStatus = status; 5165 } else { 5166 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5167 result.bestDomainVerificationStatus); 5168 } 5169 } 5170 // Don't consider matches with status NEVER across profiles. 5171 if (result != null && result.bestDomainVerificationStatus 5172 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5173 return null; 5174 } 5175 return result; 5176 } 5177 5178 /** 5179 * Verification statuses are ordered from the worse to the best, except for 5180 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5181 */ 5182 private int bestDomainVerificationStatus(int status1, int status2) { 5183 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5184 return status2; 5185 } 5186 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5187 return status1; 5188 } 5189 return (int) MathUtils.max(status1, status2); 5190 } 5191 5192 private boolean isUserEnabled(int userId) { 5193 long callingId = Binder.clearCallingIdentity(); 5194 try { 5195 UserInfo userInfo = sUserManager.getUserInfo(userId); 5196 return userInfo != null && userInfo.isEnabled(); 5197 } finally { 5198 Binder.restoreCallingIdentity(callingId); 5199 } 5200 } 5201 5202 /** 5203 * Filter out activities with systemUserOnly flag set, when current user is not System. 5204 * 5205 * @return filtered list 5206 */ 5207 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5208 if (userId == UserHandle.USER_SYSTEM) { 5209 return resolveInfos; 5210 } 5211 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5212 ResolveInfo info = resolveInfos.get(i); 5213 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5214 resolveInfos.remove(i); 5215 } 5216 } 5217 return resolveInfos; 5218 } 5219 5220 /** 5221 * @param resolveInfos list of resolve infos in descending priority order 5222 * @return if the list contains a resolve info with non-negative priority 5223 */ 5224 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5225 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5226 } 5227 5228 private static boolean hasWebURI(Intent intent) { 5229 if (intent.getData() == null) { 5230 return false; 5231 } 5232 final String scheme = intent.getScheme(); 5233 if (TextUtils.isEmpty(scheme)) { 5234 return false; 5235 } 5236 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5237 } 5238 5239 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5240 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5241 int userId) { 5242 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5243 5244 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5245 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5246 candidates.size()); 5247 } 5248 5249 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5250 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5251 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5252 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5253 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5254 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5255 5256 synchronized (mPackages) { 5257 final int count = candidates.size(); 5258 // First, try to use linked apps. Partition the candidates into four lists: 5259 // one for the final results, one for the "do not use ever", one for "undefined status" 5260 // and finally one for "browser app type". 5261 for (int n=0; n<count; n++) { 5262 ResolveInfo info = candidates.get(n); 5263 String packageName = info.activityInfo.packageName; 5264 PackageSetting ps = mSettings.mPackages.get(packageName); 5265 if (ps != null) { 5266 // Add to the special match all list (Browser use case) 5267 if (info.handleAllWebDataURI) { 5268 matchAllList.add(info); 5269 continue; 5270 } 5271 // Try to get the status from User settings first 5272 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5273 int status = (int)(packedStatus >> 32); 5274 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5275 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5276 if (DEBUG_DOMAIN_VERIFICATION) { 5277 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5278 + " : linkgen=" + linkGeneration); 5279 } 5280 // Use link-enabled generation as preferredOrder, i.e. 5281 // prefer newly-enabled over earlier-enabled. 5282 info.preferredOrder = linkGeneration; 5283 alwaysList.add(info); 5284 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5285 if (DEBUG_DOMAIN_VERIFICATION) { 5286 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5287 } 5288 neverList.add(info); 5289 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5290 if (DEBUG_DOMAIN_VERIFICATION) { 5291 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5292 } 5293 alwaysAskList.add(info); 5294 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5295 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5296 if (DEBUG_DOMAIN_VERIFICATION) { 5297 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5298 } 5299 undefinedList.add(info); 5300 } 5301 } 5302 } 5303 5304 // We'll want to include browser possibilities in a few cases 5305 boolean includeBrowser = false; 5306 5307 // First try to add the "always" resolution(s) for the current user, if any 5308 if (alwaysList.size() > 0) { 5309 result.addAll(alwaysList); 5310 } else { 5311 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5312 result.addAll(undefinedList); 5313 // Maybe add one for the other profile. 5314 if (xpDomainInfo != null && ( 5315 xpDomainInfo.bestDomainVerificationStatus 5316 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5317 result.add(xpDomainInfo.resolveInfo); 5318 } 5319 includeBrowser = true; 5320 } 5321 5322 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5323 // If there were 'always' entries their preferred order has been set, so we also 5324 // back that off to make the alternatives equivalent 5325 if (alwaysAskList.size() > 0) { 5326 for (ResolveInfo i : result) { 5327 i.preferredOrder = 0; 5328 } 5329 result.addAll(alwaysAskList); 5330 includeBrowser = true; 5331 } 5332 5333 if (includeBrowser) { 5334 // Also add browsers (all of them or only the default one) 5335 if (DEBUG_DOMAIN_VERIFICATION) { 5336 Slog.v(TAG, " ...including browsers in candidate set"); 5337 } 5338 if ((matchFlags & MATCH_ALL) != 0) { 5339 result.addAll(matchAllList); 5340 } else { 5341 // Browser/generic handling case. If there's a default browser, go straight 5342 // to that (but only if there is no other higher-priority match). 5343 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5344 int maxMatchPrio = 0; 5345 ResolveInfo defaultBrowserMatch = null; 5346 final int numCandidates = matchAllList.size(); 5347 for (int n = 0; n < numCandidates; n++) { 5348 ResolveInfo info = matchAllList.get(n); 5349 // track the highest overall match priority... 5350 if (info.priority > maxMatchPrio) { 5351 maxMatchPrio = info.priority; 5352 } 5353 // ...and the highest-priority default browser match 5354 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5355 if (defaultBrowserMatch == null 5356 || (defaultBrowserMatch.priority < info.priority)) { 5357 if (debug) { 5358 Slog.v(TAG, "Considering default browser match " + info); 5359 } 5360 defaultBrowserMatch = info; 5361 } 5362 } 5363 } 5364 if (defaultBrowserMatch != null 5365 && defaultBrowserMatch.priority >= maxMatchPrio 5366 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5367 { 5368 if (debug) { 5369 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5370 } 5371 result.add(defaultBrowserMatch); 5372 } else { 5373 result.addAll(matchAllList); 5374 } 5375 } 5376 5377 // If there is nothing selected, add all candidates and remove the ones that the user 5378 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5379 if (result.size() == 0) { 5380 result.addAll(candidates); 5381 result.removeAll(neverList); 5382 } 5383 } 5384 } 5385 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5386 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5387 result.size()); 5388 for (ResolveInfo info : result) { 5389 Slog.v(TAG, " + " + info.activityInfo); 5390 } 5391 } 5392 return result; 5393 } 5394 5395 // Returns a packed value as a long: 5396 // 5397 // high 'int'-sized word: link status: undefined/ask/never/always. 5398 // low 'int'-sized word: relative priority among 'always' results. 5399 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5400 long result = ps.getDomainVerificationStatusForUser(userId); 5401 // if none available, get the master status 5402 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5403 if (ps.getIntentFilterVerificationInfo() != null) { 5404 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5405 } 5406 } 5407 return result; 5408 } 5409 5410 private ResolveInfo querySkipCurrentProfileIntents( 5411 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5412 int flags, int sourceUserId) { 5413 if (matchingFilters != null) { 5414 int size = matchingFilters.size(); 5415 for (int i = 0; i < size; i ++) { 5416 CrossProfileIntentFilter filter = matchingFilters.get(i); 5417 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5418 // Checking if there are activities in the target user that can handle the 5419 // intent. 5420 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5421 resolvedType, flags, sourceUserId); 5422 if (resolveInfo != null) { 5423 return resolveInfo; 5424 } 5425 } 5426 } 5427 } 5428 return null; 5429 } 5430 5431 // Return matching ResolveInfo in target user if any. 5432 private ResolveInfo queryCrossProfileIntents( 5433 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5434 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5435 if (matchingFilters != null) { 5436 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5437 // match the same intent. For performance reasons, it is better not to 5438 // run queryIntent twice for the same userId 5439 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5440 int size = matchingFilters.size(); 5441 for (int i = 0; i < size; i++) { 5442 CrossProfileIntentFilter filter = matchingFilters.get(i); 5443 int targetUserId = filter.getTargetUserId(); 5444 boolean skipCurrentProfile = 5445 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5446 boolean skipCurrentProfileIfNoMatchFound = 5447 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5448 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5449 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5450 // Checking if there are activities in the target user that can handle the 5451 // intent. 5452 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5453 resolvedType, flags, sourceUserId); 5454 if (resolveInfo != null) return resolveInfo; 5455 alreadyTriedUserIds.put(targetUserId, true); 5456 } 5457 } 5458 } 5459 return null; 5460 } 5461 5462 /** 5463 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5464 * will forward the intent to the filter's target user. 5465 * Otherwise, returns null. 5466 */ 5467 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5468 String resolvedType, int flags, int sourceUserId) { 5469 int targetUserId = filter.getTargetUserId(); 5470 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5471 resolvedType, flags, targetUserId); 5472 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5473 // If all the matches in the target profile are suspended, return null. 5474 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5475 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5476 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5477 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5478 targetUserId); 5479 } 5480 } 5481 } 5482 return null; 5483 } 5484 5485 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5486 int sourceUserId, int targetUserId) { 5487 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5488 long ident = Binder.clearCallingIdentity(); 5489 boolean targetIsProfile; 5490 try { 5491 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5492 } finally { 5493 Binder.restoreCallingIdentity(ident); 5494 } 5495 String className; 5496 if (targetIsProfile) { 5497 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5498 } else { 5499 className = FORWARD_INTENT_TO_PARENT; 5500 } 5501 ComponentName forwardingActivityComponentName = new ComponentName( 5502 mAndroidApplication.packageName, className); 5503 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5504 sourceUserId); 5505 if (!targetIsProfile) { 5506 forwardingActivityInfo.showUserIcon = targetUserId; 5507 forwardingResolveInfo.noResourceId = true; 5508 } 5509 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5510 forwardingResolveInfo.priority = 0; 5511 forwardingResolveInfo.preferredOrder = 0; 5512 forwardingResolveInfo.match = 0; 5513 forwardingResolveInfo.isDefault = true; 5514 forwardingResolveInfo.filter = filter; 5515 forwardingResolveInfo.targetUserId = targetUserId; 5516 return forwardingResolveInfo; 5517 } 5518 5519 @Override 5520 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5521 Intent[] specifics, String[] specificTypes, Intent intent, 5522 String resolvedType, int flags, int userId) { 5523 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5524 flags = updateFlagsForResolve(flags, userId, intent); 5525 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5526 false, "query intent activity options"); 5527 final String resultsAction = intent.getAction(); 5528 5529 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5530 | PackageManager.GET_RESOLVED_FILTER, userId); 5531 5532 if (DEBUG_INTENT_MATCHING) { 5533 Log.v(TAG, "Query " + intent + ": " + results); 5534 } 5535 5536 int specificsPos = 0; 5537 int N; 5538 5539 // todo: note that the algorithm used here is O(N^2). This 5540 // isn't a problem in our current environment, but if we start running 5541 // into situations where we have more than 5 or 10 matches then this 5542 // should probably be changed to something smarter... 5543 5544 // First we go through and resolve each of the specific items 5545 // that were supplied, taking care of removing any corresponding 5546 // duplicate items in the generic resolve list. 5547 if (specifics != null) { 5548 for (int i=0; i<specifics.length; i++) { 5549 final Intent sintent = specifics[i]; 5550 if (sintent == null) { 5551 continue; 5552 } 5553 5554 if (DEBUG_INTENT_MATCHING) { 5555 Log.v(TAG, "Specific #" + i + ": " + sintent); 5556 } 5557 5558 String action = sintent.getAction(); 5559 if (resultsAction != null && resultsAction.equals(action)) { 5560 // If this action was explicitly requested, then don't 5561 // remove things that have it. 5562 action = null; 5563 } 5564 5565 ResolveInfo ri = null; 5566 ActivityInfo ai = null; 5567 5568 ComponentName comp = sintent.getComponent(); 5569 if (comp == null) { 5570 ri = resolveIntent( 5571 sintent, 5572 specificTypes != null ? specificTypes[i] : null, 5573 flags, userId); 5574 if (ri == null) { 5575 continue; 5576 } 5577 if (ri == mResolveInfo) { 5578 // ACK! Must do something better with this. 5579 } 5580 ai = ri.activityInfo; 5581 comp = new ComponentName(ai.applicationInfo.packageName, 5582 ai.name); 5583 } else { 5584 ai = getActivityInfo(comp, flags, userId); 5585 if (ai == null) { 5586 continue; 5587 } 5588 } 5589 5590 // Look for any generic query activities that are duplicates 5591 // of this specific one, and remove them from the results. 5592 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5593 N = results.size(); 5594 int j; 5595 for (j=specificsPos; j<N; j++) { 5596 ResolveInfo sri = results.get(j); 5597 if ((sri.activityInfo.name.equals(comp.getClassName()) 5598 && sri.activityInfo.applicationInfo.packageName.equals( 5599 comp.getPackageName())) 5600 || (action != null && sri.filter.matchAction(action))) { 5601 results.remove(j); 5602 if (DEBUG_INTENT_MATCHING) Log.v( 5603 TAG, "Removing duplicate item from " + j 5604 + " due to specific " + specificsPos); 5605 if (ri == null) { 5606 ri = sri; 5607 } 5608 j--; 5609 N--; 5610 } 5611 } 5612 5613 // Add this specific item to its proper place. 5614 if (ri == null) { 5615 ri = new ResolveInfo(); 5616 ri.activityInfo = ai; 5617 } 5618 results.add(specificsPos, ri); 5619 ri.specificIndex = i; 5620 specificsPos++; 5621 } 5622 } 5623 5624 // Now we go through the remaining generic results and remove any 5625 // duplicate actions that are found here. 5626 N = results.size(); 5627 for (int i=specificsPos; i<N-1; i++) { 5628 final ResolveInfo rii = results.get(i); 5629 if (rii.filter == null) { 5630 continue; 5631 } 5632 5633 // Iterate over all of the actions of this result's intent 5634 // filter... typically this should be just one. 5635 final Iterator<String> it = rii.filter.actionsIterator(); 5636 if (it == null) { 5637 continue; 5638 } 5639 while (it.hasNext()) { 5640 final String action = it.next(); 5641 if (resultsAction != null && resultsAction.equals(action)) { 5642 // If this action was explicitly requested, then don't 5643 // remove things that have it. 5644 continue; 5645 } 5646 for (int j=i+1; j<N; j++) { 5647 final ResolveInfo rij = results.get(j); 5648 if (rij.filter != null && rij.filter.hasAction(action)) { 5649 results.remove(j); 5650 if (DEBUG_INTENT_MATCHING) Log.v( 5651 TAG, "Removing duplicate item from " + j 5652 + " due to action " + action + " at " + i); 5653 j--; 5654 N--; 5655 } 5656 } 5657 } 5658 5659 // If the caller didn't request filter information, drop it now 5660 // so we don't have to marshall/unmarshall it. 5661 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5662 rii.filter = null; 5663 } 5664 } 5665 5666 // Filter out the caller activity if so requested. 5667 if (caller != null) { 5668 N = results.size(); 5669 for (int i=0; i<N; i++) { 5670 ActivityInfo ainfo = results.get(i).activityInfo; 5671 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5672 && caller.getClassName().equals(ainfo.name)) { 5673 results.remove(i); 5674 break; 5675 } 5676 } 5677 } 5678 5679 // If the caller didn't request filter information, 5680 // drop them now so we don't have to 5681 // marshall/unmarshall it. 5682 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5683 N = results.size(); 5684 for (int i=0; i<N; i++) { 5685 results.get(i).filter = null; 5686 } 5687 } 5688 5689 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5690 return results; 5691 } 5692 5693 @Override 5694 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5695 int userId) { 5696 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5697 flags = updateFlagsForResolve(flags, userId, intent); 5698 ComponentName comp = intent.getComponent(); 5699 if (comp == null) { 5700 if (intent.getSelector() != null) { 5701 intent = intent.getSelector(); 5702 comp = intent.getComponent(); 5703 } 5704 } 5705 if (comp != null) { 5706 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5707 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5708 if (ai != null) { 5709 ResolveInfo ri = new ResolveInfo(); 5710 ri.activityInfo = ai; 5711 list.add(ri); 5712 } 5713 return list; 5714 } 5715 5716 // reader 5717 synchronized (mPackages) { 5718 String pkgName = intent.getPackage(); 5719 if (pkgName == null) { 5720 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5721 } 5722 final PackageParser.Package pkg = mPackages.get(pkgName); 5723 if (pkg != null) { 5724 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5725 userId); 5726 } 5727 return null; 5728 } 5729 } 5730 5731 @Override 5732 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5733 if (!sUserManager.exists(userId)) return null; 5734 flags = updateFlagsForResolve(flags, userId, intent); 5735 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5736 if (query != null) { 5737 if (query.size() >= 1) { 5738 // If there is more than one service with the same priority, 5739 // just arbitrarily pick the first one. 5740 return query.get(0); 5741 } 5742 } 5743 return null; 5744 } 5745 5746 @Override 5747 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5748 int userId) { 5749 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5750 flags = updateFlagsForResolve(flags, userId, intent); 5751 ComponentName comp = intent.getComponent(); 5752 if (comp == null) { 5753 if (intent.getSelector() != null) { 5754 intent = intent.getSelector(); 5755 comp = intent.getComponent(); 5756 } 5757 } 5758 if (comp != null) { 5759 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5760 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5761 if (si != null) { 5762 final ResolveInfo ri = new ResolveInfo(); 5763 ri.serviceInfo = si; 5764 list.add(ri); 5765 } 5766 return list; 5767 } 5768 5769 // reader 5770 synchronized (mPackages) { 5771 String pkgName = intent.getPackage(); 5772 if (pkgName == null) { 5773 return mServices.queryIntent(intent, resolvedType, flags, userId); 5774 } 5775 final PackageParser.Package pkg = mPackages.get(pkgName); 5776 if (pkg != null) { 5777 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5778 userId); 5779 } 5780 return null; 5781 } 5782 } 5783 5784 @Override 5785 public List<ResolveInfo> queryIntentContentProviders( 5786 Intent intent, String resolvedType, int flags, int userId) { 5787 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5788 flags = updateFlagsForResolve(flags, userId, intent); 5789 ComponentName comp = intent.getComponent(); 5790 if (comp == null) { 5791 if (intent.getSelector() != null) { 5792 intent = intent.getSelector(); 5793 comp = intent.getComponent(); 5794 } 5795 } 5796 if (comp != null) { 5797 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5798 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5799 if (pi != null) { 5800 final ResolveInfo ri = new ResolveInfo(); 5801 ri.providerInfo = pi; 5802 list.add(ri); 5803 } 5804 return list; 5805 } 5806 5807 // reader 5808 synchronized (mPackages) { 5809 String pkgName = intent.getPackage(); 5810 if (pkgName == null) { 5811 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5812 } 5813 final PackageParser.Package pkg = mPackages.get(pkgName); 5814 if (pkg != null) { 5815 return mProviders.queryIntentForPackage( 5816 intent, resolvedType, flags, pkg.providers, userId); 5817 } 5818 return null; 5819 } 5820 } 5821 5822 @Override 5823 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5824 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5825 flags = updateFlagsForPackage(flags, userId, null); 5826 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5827 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5828 5829 // writer 5830 synchronized (mPackages) { 5831 ArrayList<PackageInfo> list; 5832 if (listUninstalled) { 5833 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5834 for (PackageSetting ps : mSettings.mPackages.values()) { 5835 PackageInfo pi; 5836 if (ps.pkg != null) { 5837 pi = generatePackageInfo(ps.pkg, flags, userId); 5838 } else { 5839 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5840 } 5841 if (pi != null) { 5842 list.add(pi); 5843 } 5844 } 5845 } else { 5846 list = new ArrayList<PackageInfo>(mPackages.size()); 5847 for (PackageParser.Package p : mPackages.values()) { 5848 PackageInfo pi = generatePackageInfo(p, flags, userId); 5849 if (pi != null) { 5850 list.add(pi); 5851 } 5852 } 5853 } 5854 5855 return new ParceledListSlice<PackageInfo>(list); 5856 } 5857 } 5858 5859 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5860 String[] permissions, boolean[] tmp, int flags, int userId) { 5861 int numMatch = 0; 5862 final PermissionsState permissionsState = ps.getPermissionsState(); 5863 for (int i=0; i<permissions.length; i++) { 5864 final String permission = permissions[i]; 5865 if (permissionsState.hasPermission(permission, userId)) { 5866 tmp[i] = true; 5867 numMatch++; 5868 } else { 5869 tmp[i] = false; 5870 } 5871 } 5872 if (numMatch == 0) { 5873 return; 5874 } 5875 PackageInfo pi; 5876 if (ps.pkg != null) { 5877 pi = generatePackageInfo(ps.pkg, flags, userId); 5878 } else { 5879 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5880 } 5881 // The above might return null in cases of uninstalled apps or install-state 5882 // skew across users/profiles. 5883 if (pi != null) { 5884 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5885 if (numMatch == permissions.length) { 5886 pi.requestedPermissions = permissions; 5887 } else { 5888 pi.requestedPermissions = new String[numMatch]; 5889 numMatch = 0; 5890 for (int i=0; i<permissions.length; i++) { 5891 if (tmp[i]) { 5892 pi.requestedPermissions[numMatch] = permissions[i]; 5893 numMatch++; 5894 } 5895 } 5896 } 5897 } 5898 list.add(pi); 5899 } 5900 } 5901 5902 @Override 5903 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5904 String[] permissions, int flags, int userId) { 5905 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5906 flags = updateFlagsForPackage(flags, userId, permissions); 5907 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5908 5909 // writer 5910 synchronized (mPackages) { 5911 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5912 boolean[] tmpBools = new boolean[permissions.length]; 5913 if (listUninstalled) { 5914 for (PackageSetting ps : mSettings.mPackages.values()) { 5915 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5916 } 5917 } else { 5918 for (PackageParser.Package pkg : mPackages.values()) { 5919 PackageSetting ps = (PackageSetting)pkg.mExtras; 5920 if (ps != null) { 5921 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5922 userId); 5923 } 5924 } 5925 } 5926 5927 return new ParceledListSlice<PackageInfo>(list); 5928 } 5929 } 5930 5931 @Override 5932 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5933 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5934 flags = updateFlagsForApplication(flags, userId, null); 5935 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5936 5937 // writer 5938 synchronized (mPackages) { 5939 ArrayList<ApplicationInfo> list; 5940 if (listUninstalled) { 5941 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5942 for (PackageSetting ps : mSettings.mPackages.values()) { 5943 ApplicationInfo ai; 5944 if (ps.pkg != null) { 5945 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5946 ps.readUserState(userId), userId); 5947 } else { 5948 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5949 } 5950 if (ai != null) { 5951 list.add(ai); 5952 } 5953 } 5954 } else { 5955 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5956 for (PackageParser.Package p : mPackages.values()) { 5957 if (p.mExtras != null) { 5958 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5959 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5960 if (ai != null) { 5961 list.add(ai); 5962 } 5963 } 5964 } 5965 } 5966 5967 return new ParceledListSlice<ApplicationInfo>(list); 5968 } 5969 } 5970 5971 @Override 5972 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5973 if (DISABLE_EPHEMERAL_APPS) { 5974 return null; 5975 } 5976 5977 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5978 "getEphemeralApplications"); 5979 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5980 "getEphemeralApplications"); 5981 synchronized (mPackages) { 5982 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5983 .getEphemeralApplicationsLPw(userId); 5984 if (ephemeralApps != null) { 5985 return new ParceledListSlice<>(ephemeralApps); 5986 } 5987 } 5988 return null; 5989 } 5990 5991 @Override 5992 public boolean isEphemeralApplication(String packageName, int userId) { 5993 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5994 "isEphemeral"); 5995 if (DISABLE_EPHEMERAL_APPS) { 5996 return false; 5997 } 5998 5999 if (!isCallerSameApp(packageName)) { 6000 return false; 6001 } 6002 synchronized (mPackages) { 6003 PackageParser.Package pkg = mPackages.get(packageName); 6004 if (pkg != null) { 6005 return pkg.applicationInfo.isEphemeralApp(); 6006 } 6007 } 6008 return false; 6009 } 6010 6011 @Override 6012 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6013 if (DISABLE_EPHEMERAL_APPS) { 6014 return null; 6015 } 6016 6017 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6018 "getCookie"); 6019 if (!isCallerSameApp(packageName)) { 6020 return null; 6021 } 6022 synchronized (mPackages) { 6023 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6024 packageName, userId); 6025 } 6026 } 6027 6028 @Override 6029 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6030 if (DISABLE_EPHEMERAL_APPS) { 6031 return true; 6032 } 6033 6034 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6035 "setCookie"); 6036 if (!isCallerSameApp(packageName)) { 6037 return false; 6038 } 6039 synchronized (mPackages) { 6040 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6041 packageName, cookie, userId); 6042 } 6043 } 6044 6045 @Override 6046 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6047 if (DISABLE_EPHEMERAL_APPS) { 6048 return null; 6049 } 6050 6051 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6052 "getEphemeralApplicationIcon"); 6053 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6054 "getEphemeralApplicationIcon"); 6055 synchronized (mPackages) { 6056 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6057 packageName, userId); 6058 } 6059 } 6060 6061 private boolean isCallerSameApp(String packageName) { 6062 PackageParser.Package pkg = mPackages.get(packageName); 6063 return pkg != null 6064 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6065 } 6066 6067 public List<ApplicationInfo> getPersistentApplications(int flags) { 6068 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6069 6070 // reader 6071 synchronized (mPackages) { 6072 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6073 final int userId = UserHandle.getCallingUserId(); 6074 while (i.hasNext()) { 6075 final PackageParser.Package p = i.next(); 6076 if (p.applicationInfo != null 6077 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 6078 && (!mSafeMode || isSystemApp(p))) { 6079 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6080 if (ps != null) { 6081 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6082 ps.readUserState(userId), userId); 6083 if (ai != null) { 6084 finalList.add(ai); 6085 } 6086 } 6087 } 6088 } 6089 } 6090 6091 return finalList; 6092 } 6093 6094 @Override 6095 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6096 if (!sUserManager.exists(userId)) return null; 6097 flags = updateFlagsForComponent(flags, userId, name); 6098 // reader 6099 synchronized (mPackages) { 6100 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6101 PackageSetting ps = provider != null 6102 ? mSettings.mPackages.get(provider.owner.packageName) 6103 : null; 6104 return ps != null 6105 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6106 ? PackageParser.generateProviderInfo(provider, flags, 6107 ps.readUserState(userId), userId) 6108 : null; 6109 } 6110 } 6111 6112 /** 6113 * @deprecated 6114 */ 6115 @Deprecated 6116 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6117 // reader 6118 synchronized (mPackages) { 6119 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6120 .entrySet().iterator(); 6121 final int userId = UserHandle.getCallingUserId(); 6122 while (i.hasNext()) { 6123 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6124 PackageParser.Provider p = entry.getValue(); 6125 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6126 6127 if (ps != null && p.syncable 6128 && (!mSafeMode || (p.info.applicationInfo.flags 6129 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6130 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6131 ps.readUserState(userId), userId); 6132 if (info != null) { 6133 outNames.add(entry.getKey()); 6134 outInfo.add(info); 6135 } 6136 } 6137 } 6138 } 6139 } 6140 6141 @Override 6142 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6143 int uid, int flags) { 6144 final int userId = processName != null ? UserHandle.getUserId(uid) 6145 : UserHandle.getCallingUserId(); 6146 if (!sUserManager.exists(userId)) return null; 6147 flags = updateFlagsForComponent(flags, userId, processName); 6148 6149 ArrayList<ProviderInfo> finalList = null; 6150 // reader 6151 synchronized (mPackages) { 6152 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6153 while (i.hasNext()) { 6154 final PackageParser.Provider p = i.next(); 6155 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6156 if (ps != null && p.info.authority != null 6157 && (processName == null 6158 || (p.info.processName.equals(processName) 6159 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6160 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6161 if (finalList == null) { 6162 finalList = new ArrayList<ProviderInfo>(3); 6163 } 6164 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6165 ps.readUserState(userId), userId); 6166 if (info != null) { 6167 finalList.add(info); 6168 } 6169 } 6170 } 6171 } 6172 6173 if (finalList != null) { 6174 Collections.sort(finalList, mProviderInitOrderSorter); 6175 return new ParceledListSlice<ProviderInfo>(finalList); 6176 } 6177 6178 return null; 6179 } 6180 6181 @Override 6182 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6183 // reader 6184 synchronized (mPackages) { 6185 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6186 return PackageParser.generateInstrumentationInfo(i, flags); 6187 } 6188 } 6189 6190 @Override 6191 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6192 int flags) { 6193 ArrayList<InstrumentationInfo> finalList = 6194 new ArrayList<InstrumentationInfo>(); 6195 6196 // reader 6197 synchronized (mPackages) { 6198 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6199 while (i.hasNext()) { 6200 final PackageParser.Instrumentation p = i.next(); 6201 if (targetPackage == null 6202 || targetPackage.equals(p.info.targetPackage)) { 6203 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6204 flags); 6205 if (ii != null) { 6206 finalList.add(ii); 6207 } 6208 } 6209 } 6210 } 6211 6212 return finalList; 6213 } 6214 6215 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6216 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6217 if (overlays == null) { 6218 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6219 return; 6220 } 6221 for (PackageParser.Package opkg : overlays.values()) { 6222 // Not much to do if idmap fails: we already logged the error 6223 // and we certainly don't want to abort installation of pkg simply 6224 // because an overlay didn't fit properly. For these reasons, 6225 // ignore the return value of createIdmapForPackagePairLI. 6226 createIdmapForPackagePairLI(pkg, opkg); 6227 } 6228 } 6229 6230 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6231 PackageParser.Package opkg) { 6232 if (!opkg.mTrustedOverlay) { 6233 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6234 opkg.baseCodePath + ": overlay not trusted"); 6235 return false; 6236 } 6237 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6238 if (overlaySet == null) { 6239 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6240 opkg.baseCodePath + " but target package has no known overlays"); 6241 return false; 6242 } 6243 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6244 // TODO: generate idmap for split APKs 6245 try { 6246 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6247 } catch (InstallerException e) { 6248 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6249 + opkg.baseCodePath); 6250 return false; 6251 } 6252 PackageParser.Package[] overlayArray = 6253 overlaySet.values().toArray(new PackageParser.Package[0]); 6254 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6255 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6256 return p1.mOverlayPriority - p2.mOverlayPriority; 6257 } 6258 }; 6259 Arrays.sort(overlayArray, cmp); 6260 6261 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6262 int i = 0; 6263 for (PackageParser.Package p : overlayArray) { 6264 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6265 } 6266 return true; 6267 } 6268 6269 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6270 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6271 try { 6272 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6273 } finally { 6274 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6275 } 6276 } 6277 6278 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6279 final File[] files = dir.listFiles(); 6280 if (ArrayUtils.isEmpty(files)) { 6281 Log.d(TAG, "No files in app dir " + dir); 6282 return; 6283 } 6284 6285 if (DEBUG_PACKAGE_SCANNING) { 6286 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6287 + " flags=0x" + Integer.toHexString(parseFlags)); 6288 } 6289 6290 for (File file : files) { 6291 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6292 && !PackageInstallerService.isStageName(file.getName()); 6293 if (!isPackage) { 6294 // Ignore entries which are not packages 6295 continue; 6296 } 6297 try { 6298 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6299 scanFlags, currentTime, null); 6300 } catch (PackageManagerException e) { 6301 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6302 6303 // Delete invalid userdata apps 6304 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6305 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6306 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6307 removeCodePathLI(file); 6308 } 6309 } 6310 } 6311 } 6312 6313 private static File getSettingsProblemFile() { 6314 File dataDir = Environment.getDataDirectory(); 6315 File systemDir = new File(dataDir, "system"); 6316 File fname = new File(systemDir, "uiderrors.txt"); 6317 return fname; 6318 } 6319 6320 static void reportSettingsProblem(int priority, String msg) { 6321 logCriticalInfo(priority, msg); 6322 } 6323 6324 static void logCriticalInfo(int priority, String msg) { 6325 Slog.println(priority, TAG, msg); 6326 EventLogTags.writePmCriticalInfo(msg); 6327 try { 6328 File fname = getSettingsProblemFile(); 6329 FileOutputStream out = new FileOutputStream(fname, true); 6330 PrintWriter pw = new FastPrintWriter(out); 6331 SimpleDateFormat formatter = new SimpleDateFormat(); 6332 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6333 pw.println(dateString + ": " + msg); 6334 pw.close(); 6335 FileUtils.setPermissions( 6336 fname.toString(), 6337 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6338 -1, -1); 6339 } catch (java.io.IOException e) { 6340 } 6341 } 6342 6343 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6344 int parseFlags) throws PackageManagerException { 6345 if (ps != null 6346 && ps.codePath.equals(srcFile) 6347 && ps.timeStamp == srcFile.lastModified() 6348 && !isCompatSignatureUpdateNeeded(pkg) 6349 && !isRecoverSignatureUpdateNeeded(pkg)) { 6350 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6351 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6352 ArraySet<PublicKey> signingKs; 6353 synchronized (mPackages) { 6354 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6355 } 6356 if (ps.signatures.mSignatures != null 6357 && ps.signatures.mSignatures.length != 0 6358 && signingKs != null) { 6359 // Optimization: reuse the existing cached certificates 6360 // if the package appears to be unchanged. 6361 pkg.mSignatures = ps.signatures.mSignatures; 6362 pkg.mSigningKeys = signingKs; 6363 return; 6364 } 6365 6366 Slog.w(TAG, "PackageSetting for " + ps.name 6367 + " is missing signatures. Collecting certs again to recover them."); 6368 } else { 6369 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6370 } 6371 6372 try { 6373 PackageParser.collectCertificates(pkg, parseFlags); 6374 } catch (PackageParserException e) { 6375 throw PackageManagerException.from(e); 6376 } 6377 } 6378 6379 /** 6380 * Traces a package scan. 6381 * @see #scanPackageLI(File, int, int, long, UserHandle) 6382 */ 6383 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6384 long currentTime, UserHandle user) throws PackageManagerException { 6385 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6386 try { 6387 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6388 } finally { 6389 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6390 } 6391 } 6392 6393 /** 6394 * Scans a package and returns the newly parsed package. 6395 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6396 */ 6397 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6398 long currentTime, UserHandle user) throws PackageManagerException { 6399 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6400 parseFlags |= mDefParseFlags; 6401 PackageParser pp = new PackageParser(); 6402 pp.setSeparateProcesses(mSeparateProcesses); 6403 pp.setOnlyCoreApps(mOnlyCore); 6404 pp.setDisplayMetrics(mMetrics); 6405 6406 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6407 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6408 } 6409 6410 final PackageParser.Package pkg; 6411 try { 6412 pkg = pp.parsePackage(scanFile, parseFlags); 6413 } catch (PackageParserException e) { 6414 throw PackageManagerException.from(e); 6415 } 6416 6417 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6418 } 6419 6420 /** 6421 * Scans a package and returns the newly parsed package. 6422 * @throws PackageManagerException on a parse error. 6423 */ 6424 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6425 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6426 throws PackageManagerException { 6427 // If the package has children and this is the first dive in the function 6428 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6429 // packages (parent and children) would be successfully scanned before the 6430 // actual scan since scanning mutates internal state and we want to atomically 6431 // install the package and its children. 6432 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6433 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6434 scanFlags |= SCAN_CHECK_ONLY; 6435 } 6436 } else { 6437 scanFlags &= ~SCAN_CHECK_ONLY; 6438 } 6439 6440 // Scan the parent 6441 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6442 scanFlags, currentTime, user); 6443 6444 // Scan the children 6445 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6446 for (int i = 0; i < childCount; i++) { 6447 PackageParser.Package childPackage = pkg.childPackages.get(i); 6448 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6449 currentTime, user); 6450 } 6451 6452 6453 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6454 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6455 } 6456 6457 return scannedPkg; 6458 } 6459 6460 /** 6461 * Scans a package and returns the newly parsed package. 6462 * @throws PackageManagerException on a parse error. 6463 */ 6464 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6465 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6466 throws PackageManagerException { 6467 PackageSetting ps = null; 6468 PackageSetting updatedPkg; 6469 // reader 6470 synchronized (mPackages) { 6471 // Look to see if we already know about this package. 6472 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6473 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6474 // This package has been renamed to its original name. Let's 6475 // use that. 6476 ps = mSettings.peekPackageLPr(oldName); 6477 } 6478 // If there was no original package, see one for the real package name. 6479 if (ps == null) { 6480 ps = mSettings.peekPackageLPr(pkg.packageName); 6481 } 6482 // Check to see if this package could be hiding/updating a system 6483 // package. Must look for it either under the original or real 6484 // package name depending on our state. 6485 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6486 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6487 6488 // If this is a package we don't know about on the system partition, we 6489 // may need to remove disabled child packages on the system partition 6490 // or may need to not add child packages if the parent apk is updated 6491 // on the data partition and no longer defines this child package. 6492 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6493 // If this is a parent package for an updated system app and this system 6494 // app got an OTA update which no longer defines some of the child packages 6495 // we have to prune them from the disabled system packages. 6496 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6497 if (disabledPs != null) { 6498 final int scannedChildCount = (pkg.childPackages != null) 6499 ? pkg.childPackages.size() : 0; 6500 final int disabledChildCount = disabledPs.childPackageNames != null 6501 ? disabledPs.childPackageNames.size() : 0; 6502 for (int i = 0; i < disabledChildCount; i++) { 6503 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6504 boolean disabledPackageAvailable = false; 6505 for (int j = 0; j < scannedChildCount; j++) { 6506 PackageParser.Package childPkg = pkg.childPackages.get(j); 6507 if (childPkg.packageName.equals(disabledChildPackageName)) { 6508 disabledPackageAvailable = true; 6509 break; 6510 } 6511 } 6512 if (!disabledPackageAvailable) { 6513 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6514 } 6515 } 6516 } 6517 } 6518 } 6519 6520 boolean updatedPkgBetter = false; 6521 // First check if this is a system package that may involve an update 6522 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6523 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6524 // it needs to drop FLAG_PRIVILEGED. 6525 if (locationIsPrivileged(scanFile)) { 6526 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6527 } else { 6528 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6529 } 6530 6531 if (ps != null && !ps.codePath.equals(scanFile)) { 6532 // The path has changed from what was last scanned... check the 6533 // version of the new path against what we have stored to determine 6534 // what to do. 6535 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6536 if (pkg.mVersionCode <= ps.versionCode) { 6537 // The system package has been updated and the code path does not match 6538 // Ignore entry. Skip it. 6539 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6540 + " ignored: updated version " + ps.versionCode 6541 + " better than this " + pkg.mVersionCode); 6542 if (!updatedPkg.codePath.equals(scanFile)) { 6543 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6544 + ps.name + " changing from " + updatedPkg.codePathString 6545 + " to " + scanFile); 6546 updatedPkg.codePath = scanFile; 6547 updatedPkg.codePathString = scanFile.toString(); 6548 updatedPkg.resourcePath = scanFile; 6549 updatedPkg.resourcePathString = scanFile.toString(); 6550 } 6551 updatedPkg.pkg = pkg; 6552 updatedPkg.versionCode = pkg.mVersionCode; 6553 6554 // Update the disabled system child packages to point to the package too. 6555 final int childCount = updatedPkg.childPackageNames != null 6556 ? updatedPkg.childPackageNames.size() : 0; 6557 for (int i = 0; i < childCount; i++) { 6558 String childPackageName = updatedPkg.childPackageNames.get(i); 6559 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6560 childPackageName); 6561 if (updatedChildPkg != null) { 6562 updatedChildPkg.pkg = pkg; 6563 updatedChildPkg.versionCode = pkg.mVersionCode; 6564 } 6565 } 6566 6567 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6568 + scanFile + " ignored: updated version " + ps.versionCode 6569 + " better than this " + pkg.mVersionCode); 6570 } else { 6571 // The current app on the system partition is better than 6572 // what we have updated to on the data partition; switch 6573 // back to the system partition version. 6574 // At this point, its safely assumed that package installation for 6575 // apps in system partition will go through. If not there won't be a working 6576 // version of the app 6577 // writer 6578 synchronized (mPackages) { 6579 // Just remove the loaded entries from package lists. 6580 mPackages.remove(ps.name); 6581 } 6582 6583 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6584 + " reverting from " + ps.codePathString 6585 + ": new version " + pkg.mVersionCode 6586 + " better than installed " + ps.versionCode); 6587 6588 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6589 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6590 synchronized (mInstallLock) { 6591 args.cleanUpResourcesLI(); 6592 } 6593 synchronized (mPackages) { 6594 mSettings.enableSystemPackageLPw(ps.name); 6595 } 6596 updatedPkgBetter = true; 6597 } 6598 } 6599 } 6600 6601 if (updatedPkg != null) { 6602 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6603 // initially 6604 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6605 6606 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6607 // flag set initially 6608 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6609 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6610 } 6611 } 6612 6613 // Verify certificates against what was last scanned 6614 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6615 6616 /* 6617 * A new system app appeared, but we already had a non-system one of the 6618 * same name installed earlier. 6619 */ 6620 boolean shouldHideSystemApp = false; 6621 if (updatedPkg == null && ps != null 6622 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6623 /* 6624 * Check to make sure the signatures match first. If they don't, 6625 * wipe the installed application and its data. 6626 */ 6627 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6628 != PackageManager.SIGNATURE_MATCH) { 6629 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6630 + " signatures don't match existing userdata copy; removing"); 6631 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6632 ps = null; 6633 } else { 6634 /* 6635 * If the newly-added system app is an older version than the 6636 * already installed version, hide it. It will be scanned later 6637 * and re-added like an update. 6638 */ 6639 if (pkg.mVersionCode <= ps.versionCode) { 6640 shouldHideSystemApp = true; 6641 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6642 + " but new version " + pkg.mVersionCode + " better than installed " 6643 + ps.versionCode + "; hiding system"); 6644 } else { 6645 /* 6646 * The newly found system app is a newer version that the 6647 * one previously installed. Simply remove the 6648 * already-installed application and replace it with our own 6649 * while keeping the application data. 6650 */ 6651 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6652 + " reverting from " + ps.codePathString + ": new version " 6653 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6654 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6655 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6656 synchronized (mInstallLock) { 6657 args.cleanUpResourcesLI(); 6658 } 6659 } 6660 } 6661 } 6662 6663 // The apk is forward locked (not public) if its code and resources 6664 // are kept in different files. (except for app in either system or 6665 // vendor path). 6666 // TODO grab this value from PackageSettings 6667 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6668 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6669 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6670 } 6671 } 6672 6673 // TODO: extend to support forward-locked splits 6674 String resourcePath = null; 6675 String baseResourcePath = null; 6676 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6677 if (ps != null && ps.resourcePathString != null) { 6678 resourcePath = ps.resourcePathString; 6679 baseResourcePath = ps.resourcePathString; 6680 } else { 6681 // Should not happen at all. Just log an error. 6682 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6683 } 6684 } else { 6685 resourcePath = pkg.codePath; 6686 baseResourcePath = pkg.baseCodePath; 6687 } 6688 6689 // Set application objects path explicitly. 6690 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6691 pkg.setApplicationInfoCodePath(pkg.codePath); 6692 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6693 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6694 pkg.setApplicationInfoResourcePath(resourcePath); 6695 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6696 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6697 6698 // Note that we invoke the following method only if we are about to unpack an application 6699 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6700 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6701 6702 /* 6703 * If the system app should be overridden by a previously installed 6704 * data, hide the system app now and let the /data/app scan pick it up 6705 * again. 6706 */ 6707 if (shouldHideSystemApp) { 6708 synchronized (mPackages) { 6709 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6710 } 6711 } 6712 6713 return scannedPkg; 6714 } 6715 6716 private static String fixProcessName(String defProcessName, 6717 String processName, int uid) { 6718 if (processName == null) { 6719 return defProcessName; 6720 } 6721 return processName; 6722 } 6723 6724 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6725 throws PackageManagerException { 6726 if (pkgSetting.signatures.mSignatures != null) { 6727 // Already existing package. Make sure signatures match 6728 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6729 == PackageManager.SIGNATURE_MATCH; 6730 if (!match) { 6731 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6732 == PackageManager.SIGNATURE_MATCH; 6733 } 6734 if (!match) { 6735 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6736 == PackageManager.SIGNATURE_MATCH; 6737 } 6738 if (!match) { 6739 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6740 + pkg.packageName + " signatures do not match the " 6741 + "previously installed version; ignoring!"); 6742 } 6743 } 6744 6745 // Check for shared user signatures 6746 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6747 // Already existing package. Make sure signatures match 6748 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6749 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6750 if (!match) { 6751 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6752 == PackageManager.SIGNATURE_MATCH; 6753 } 6754 if (!match) { 6755 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6756 == PackageManager.SIGNATURE_MATCH; 6757 } 6758 if (!match) { 6759 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6760 "Package " + pkg.packageName 6761 + " has no signatures that match those in shared user " 6762 + pkgSetting.sharedUser.name + "; ignoring!"); 6763 } 6764 } 6765 } 6766 6767 /** 6768 * Enforces that only the system UID or root's UID can call a method exposed 6769 * via Binder. 6770 * 6771 * @param message used as message if SecurityException is thrown 6772 * @throws SecurityException if the caller is not system or root 6773 */ 6774 private static final void enforceSystemOrRoot(String message) { 6775 final int uid = Binder.getCallingUid(); 6776 if (uid != Process.SYSTEM_UID && uid != 0) { 6777 throw new SecurityException(message); 6778 } 6779 } 6780 6781 @Override 6782 public void performFstrimIfNeeded() { 6783 enforceSystemOrRoot("Only the system can request fstrim"); 6784 6785 // Before everything else, see whether we need to fstrim. 6786 try { 6787 IMountService ms = PackageHelper.getMountService(); 6788 if (ms != null) { 6789 final boolean isUpgrade = isUpgrade(); 6790 boolean doTrim = isUpgrade; 6791 if (doTrim) { 6792 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6793 } else { 6794 final long interval = android.provider.Settings.Global.getLong( 6795 mContext.getContentResolver(), 6796 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6797 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6798 if (interval > 0) { 6799 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6800 if (timeSinceLast > interval) { 6801 doTrim = true; 6802 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6803 + "; running immediately"); 6804 } 6805 } 6806 } 6807 if (doTrim) { 6808 if (!isFirstBoot()) { 6809 try { 6810 ActivityManagerNative.getDefault().showBootMessage( 6811 mContext.getResources().getString( 6812 R.string.android_upgrading_fstrim), true); 6813 } catch (RemoteException e) { 6814 } 6815 } 6816 ms.runMaintenance(); 6817 } 6818 } else { 6819 Slog.e(TAG, "Mount service unavailable!"); 6820 } 6821 } catch (RemoteException e) { 6822 // Can't happen; MountService is local 6823 } 6824 } 6825 6826 @Override 6827 public void extractPackagesIfNeeded() { 6828 enforceSystemOrRoot("Only the system can request package extraction"); 6829 6830 // Extract pacakges only if profile-guided compilation is enabled because 6831 // otherwise BackgroundDexOptService will not dexopt them later. 6832 if (mUseJitProfiles) { 6833 List<PackageParser.Package> pkgs; 6834 synchronized (mPackages) { 6835 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6836 } 6837 for (PackageParser.Package pkg : pkgs) { 6838 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6839 performDexOpt(pkg.packageName, null /* instructionSet */, 6840 false /* useProfiles */, true /* extractOnly */, false /* force */); 6841 } 6842 } 6843 } 6844 } 6845 6846 @Override 6847 public void notifyPackageUse(String packageName) { 6848 synchronized (mPackages) { 6849 PackageParser.Package p = mPackages.get(packageName); 6850 if (p == null) { 6851 return; 6852 } 6853 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6854 } 6855 } 6856 6857 // TODO: this is not used nor needed. Delete it. 6858 @Override 6859 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6860 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6861 false /* extractOnly */, false /* force */); 6862 } 6863 6864 @Override 6865 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6866 boolean extractOnly, boolean force) { 6867 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6868 } 6869 6870 private boolean performDexOptTraced(String packageName, String instructionSet, 6871 boolean useProfiles, boolean extractOnly, boolean force) { 6872 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6873 try { 6874 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6875 force); 6876 } finally { 6877 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6878 } 6879 } 6880 6881 private boolean performDexOptInternal(String packageName, String instructionSet, 6882 boolean useProfiles, boolean extractOnly, boolean force) { 6883 PackageParser.Package p; 6884 final String targetInstructionSet; 6885 synchronized (mPackages) { 6886 p = mPackages.get(packageName); 6887 if (p == null) { 6888 return false; 6889 } 6890 mPackageUsage.write(false); 6891 6892 targetInstructionSet = instructionSet != null ? instructionSet : 6893 getPrimaryInstructionSet(p.applicationInfo); 6894 if (!force && !useProfiles && p.mDexOptPerformed.contains(targetInstructionSet)) { 6895 // Skip only if we do not use profiles since they might trigger a recompilation. 6896 return false; 6897 } 6898 } 6899 long callingId = Binder.clearCallingIdentity(); 6900 try { 6901 synchronized (mInstallLock) { 6902 final String[] instructionSets = new String[] { targetInstructionSet }; 6903 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6904 useProfiles, extractOnly, force); 6905 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6906 } 6907 } finally { 6908 Binder.restoreCallingIdentity(callingId); 6909 } 6910 } 6911 6912 public ArraySet<String> getOptimizablePackages() { 6913 ArraySet<String> pkgs = new ArraySet<String>(); 6914 synchronized (mPackages) { 6915 for (PackageParser.Package p : mPackages.values()) { 6916 if (PackageDexOptimizer.canOptimizePackage(p)) { 6917 pkgs.add(p.packageName); 6918 } 6919 } 6920 } 6921 return pkgs; 6922 } 6923 6924 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 6925 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 6926 // Select the dex optimizer based on the force parameter. 6927 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 6928 // allocate an object here. 6929 PackageDexOptimizer pdo = force 6930 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 6931 : mPackageDexOptimizer; 6932 6933 // Optimize all dependencies first. Note: we ignore the return value and march on 6934 // on errors. 6935 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 6936 if (!deps.isEmpty()) { 6937 for (PackageParser.Package depPackage : deps) { 6938 // TODO: Analyze and investigate if we (should) profile libraries. 6939 // Currently this will do a full compilation of the library. 6940 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 6941 false /* extractOnly */); 6942 } 6943 } 6944 6945 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 6946 } 6947 6948 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 6949 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 6950 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 6951 Set<String> collectedNames = new HashSet<>(); 6952 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 6953 6954 retValue.remove(p); 6955 6956 return retValue; 6957 } else { 6958 return Collections.emptyList(); 6959 } 6960 } 6961 6962 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 6963 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6964 if (!collectedNames.contains(p.packageName)) { 6965 collectedNames.add(p.packageName); 6966 collected.add(p); 6967 6968 if (p.usesLibraries != null) { 6969 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 6970 } 6971 if (p.usesOptionalLibraries != null) { 6972 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 6973 collectedNames); 6974 } 6975 } 6976 } 6977 6978 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 6979 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6980 for (String libName : libs) { 6981 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 6982 if (libPkg != null) { 6983 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 6984 } 6985 } 6986 } 6987 6988 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 6989 synchronized (mPackages) { 6990 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 6991 if (lib != null && lib.apk != null) { 6992 return mPackages.get(lib.apk); 6993 } 6994 } 6995 return null; 6996 } 6997 6998 public void shutdown() { 6999 mPackageUsage.write(true); 7000 } 7001 7002 @Override 7003 public void forceDexOpt(String packageName) { 7004 enforceSystemOrRoot("forceDexOpt"); 7005 7006 PackageParser.Package pkg; 7007 synchronized (mPackages) { 7008 pkg = mPackages.get(packageName); 7009 if (pkg == null) { 7010 throw new IllegalArgumentException("Unknown package: " + packageName); 7011 } 7012 } 7013 7014 synchronized (mInstallLock) { 7015 final String[] instructionSets = new String[] { 7016 getPrimaryInstructionSet(pkg.applicationInfo) }; 7017 7018 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7019 7020 // Whoever is calling forceDexOpt wants a fully compiled package. 7021 // Don't use profiles since that may cause compilation to be skipped. 7022 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7023 false /* useProfiles */, false /* extractOnly */, true /* force */); 7024 7025 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7026 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7027 throw new IllegalStateException("Failed to dexopt: " + res); 7028 } 7029 } 7030 } 7031 7032 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7033 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7034 Slog.w(TAG, "Unable to update from " + oldPkg.name 7035 + " to " + newPkg.packageName 7036 + ": old package not in system partition"); 7037 return false; 7038 } else if (mPackages.get(oldPkg.name) != null) { 7039 Slog.w(TAG, "Unable to update from " + oldPkg.name 7040 + " to " + newPkg.packageName 7041 + ": old package still exists"); 7042 return false; 7043 } 7044 return true; 7045 } 7046 7047 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7048 // TODO: triage flags as part of 26466827 7049 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7050 7051 boolean res = true; 7052 final int[] users = sUserManager.getUserIds(); 7053 for (int user : users) { 7054 try { 7055 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7056 } catch (InstallerException e) { 7057 Slog.w(TAG, "Failed to delete data directory", e); 7058 res = false; 7059 } 7060 } 7061 return res; 7062 } 7063 7064 void removeCodePathLI(File codePath) { 7065 if (codePath.isDirectory()) { 7066 try { 7067 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7068 } catch (InstallerException e) { 7069 Slog.w(TAG, "Failed to remove code path", e); 7070 } 7071 } else { 7072 codePath.delete(); 7073 } 7074 } 7075 7076 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7077 try { 7078 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7079 } catch (InstallerException e) { 7080 Slog.w(TAG, "Failed to destroy app data", e); 7081 } 7082 } 7083 7084 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7085 int appId, String seinfo) { 7086 try { 7087 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7088 } catch (InstallerException e) { 7089 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7090 } 7091 } 7092 7093 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7094 final PackageParser.Package pkg; 7095 synchronized (mPackages) { 7096 pkg = mPackages.get(packageName); 7097 } 7098 if (pkg == null) { 7099 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7100 return; 7101 } 7102 deleteCodeCacheDirsLI(pkg); 7103 } 7104 7105 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7106 // TODO: triage flags as part of 26466827 7107 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7108 7109 int[] users = sUserManager.getUserIds(); 7110 int res = 0; 7111 for (int user : users) { 7112 // Remove the parent code cache 7113 try { 7114 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7115 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7116 } catch (InstallerException e) { 7117 Slog.w(TAG, "Failed to delete code cache directory", e); 7118 } 7119 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7120 for (int i = 0; i < childCount; i++) { 7121 PackageParser.Package childPkg = pkg.childPackages.get(i); 7122 // Remove the child code cache 7123 try { 7124 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7125 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7126 } catch (InstallerException e) { 7127 Slog.w(TAG, "Failed to delete code cache directory", e); 7128 } 7129 } 7130 } 7131 } 7132 7133 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7134 long lastUpdateTime) { 7135 // Set parent install/update time 7136 PackageSetting ps = (PackageSetting) pkg.mExtras; 7137 if (ps != null) { 7138 ps.firstInstallTime = firstInstallTime; 7139 ps.lastUpdateTime = lastUpdateTime; 7140 } 7141 // Set children install/update time 7142 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7143 for (int i = 0; i < childCount; i++) { 7144 PackageParser.Package childPkg = pkg.childPackages.get(i); 7145 ps = (PackageSetting) childPkg.mExtras; 7146 if (ps != null) { 7147 ps.firstInstallTime = firstInstallTime; 7148 ps.lastUpdateTime = lastUpdateTime; 7149 } 7150 } 7151 } 7152 7153 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7154 PackageParser.Package changingLib) { 7155 if (file.path != null) { 7156 usesLibraryFiles.add(file.path); 7157 return; 7158 } 7159 PackageParser.Package p = mPackages.get(file.apk); 7160 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7161 // If we are doing this while in the middle of updating a library apk, 7162 // then we need to make sure to use that new apk for determining the 7163 // dependencies here. (We haven't yet finished committing the new apk 7164 // to the package manager state.) 7165 if (p == null || p.packageName.equals(changingLib.packageName)) { 7166 p = changingLib; 7167 } 7168 } 7169 if (p != null) { 7170 usesLibraryFiles.addAll(p.getAllCodePaths()); 7171 } 7172 } 7173 7174 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7175 PackageParser.Package changingLib) throws PackageManagerException { 7176 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7177 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7178 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7179 for (int i=0; i<N; i++) { 7180 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7181 if (file == null) { 7182 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7183 "Package " + pkg.packageName + " requires unavailable shared library " 7184 + pkg.usesLibraries.get(i) + "; failing!"); 7185 } 7186 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7187 } 7188 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7189 for (int i=0; i<N; i++) { 7190 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7191 if (file == null) { 7192 Slog.w(TAG, "Package " + pkg.packageName 7193 + " desires unavailable shared library " 7194 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7195 } else { 7196 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7197 } 7198 } 7199 N = usesLibraryFiles.size(); 7200 if (N > 0) { 7201 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7202 } else { 7203 pkg.usesLibraryFiles = null; 7204 } 7205 } 7206 } 7207 7208 private static boolean hasString(List<String> list, List<String> which) { 7209 if (list == null) { 7210 return false; 7211 } 7212 for (int i=list.size()-1; i>=0; i--) { 7213 for (int j=which.size()-1; j>=0; j--) { 7214 if (which.get(j).equals(list.get(i))) { 7215 return true; 7216 } 7217 } 7218 } 7219 return false; 7220 } 7221 7222 private void updateAllSharedLibrariesLPw() { 7223 for (PackageParser.Package pkg : mPackages.values()) { 7224 try { 7225 updateSharedLibrariesLPw(pkg, null); 7226 } catch (PackageManagerException e) { 7227 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7228 } 7229 } 7230 } 7231 7232 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7233 PackageParser.Package changingPkg) { 7234 ArrayList<PackageParser.Package> res = null; 7235 for (PackageParser.Package pkg : mPackages.values()) { 7236 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7237 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7238 if (res == null) { 7239 res = new ArrayList<PackageParser.Package>(); 7240 } 7241 res.add(pkg); 7242 try { 7243 updateSharedLibrariesLPw(pkg, changingPkg); 7244 } catch (PackageManagerException e) { 7245 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7246 } 7247 } 7248 } 7249 return res; 7250 } 7251 7252 /** 7253 * Derive the value of the {@code cpuAbiOverride} based on the provided 7254 * value and an optional stored value from the package settings. 7255 */ 7256 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7257 String cpuAbiOverride = null; 7258 7259 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7260 cpuAbiOverride = null; 7261 } else if (abiOverride != null) { 7262 cpuAbiOverride = abiOverride; 7263 } else if (settings != null) { 7264 cpuAbiOverride = settings.cpuAbiOverrideString; 7265 } 7266 7267 return cpuAbiOverride; 7268 } 7269 7270 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7271 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7272 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7273 // If the package has children and this is the first dive in the function 7274 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7275 // whether all packages (parent and children) would be successfully scanned 7276 // before the actual scan since scanning mutates internal state and we want 7277 // to atomically install the package and its children. 7278 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7279 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7280 scanFlags |= SCAN_CHECK_ONLY; 7281 } 7282 } else { 7283 scanFlags &= ~SCAN_CHECK_ONLY; 7284 } 7285 7286 final PackageParser.Package scannedPkg; 7287 try { 7288 // Scan the parent 7289 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7290 // Scan the children 7291 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7292 for (int i = 0; i < childCount; i++) { 7293 PackageParser.Package childPkg = pkg.childPackages.get(i); 7294 scanPackageLI(childPkg, parseFlags, 7295 scanFlags, currentTime, user); 7296 } 7297 } finally { 7298 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7299 } 7300 7301 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7302 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7303 } 7304 7305 return scannedPkg; 7306 } 7307 7308 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7309 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7310 boolean success = false; 7311 try { 7312 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7313 currentTime, user); 7314 success = true; 7315 return res; 7316 } finally { 7317 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7318 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7319 } 7320 } 7321 } 7322 7323 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7324 int scanFlags, long currentTime, UserHandle user) 7325 throws PackageManagerException { 7326 final File scanFile = new File(pkg.codePath); 7327 if (pkg.applicationInfo.getCodePath() == null || 7328 pkg.applicationInfo.getResourcePath() == null) { 7329 // Bail out. The resource and code paths haven't been set. 7330 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7331 "Code and resource paths haven't been set correctly"); 7332 } 7333 7334 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7335 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7336 } else { 7337 // Only allow system apps to be flagged as core apps. 7338 pkg.coreApp = false; 7339 } 7340 7341 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7342 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7343 } 7344 7345 if (mCustomResolverComponentName != null && 7346 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7347 setUpCustomResolverActivity(pkg); 7348 } 7349 7350 if (pkg.packageName.equals("android")) { 7351 synchronized (mPackages) { 7352 if (mAndroidApplication != null) { 7353 Slog.w(TAG, "*************************************************"); 7354 Slog.w(TAG, "Core android package being redefined. Skipping."); 7355 Slog.w(TAG, " file=" + scanFile); 7356 Slog.w(TAG, "*************************************************"); 7357 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7358 "Core android package being redefined. Skipping."); 7359 } 7360 7361 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7362 // Set up information for our fall-back user intent resolution activity. 7363 mPlatformPackage = pkg; 7364 pkg.mVersionCode = mSdkVersion; 7365 mAndroidApplication = pkg.applicationInfo; 7366 7367 if (!mResolverReplaced) { 7368 mResolveActivity.applicationInfo = mAndroidApplication; 7369 mResolveActivity.name = ResolverActivity.class.getName(); 7370 mResolveActivity.packageName = mAndroidApplication.packageName; 7371 mResolveActivity.processName = "system:ui"; 7372 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7373 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7374 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7375 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7376 mResolveActivity.exported = true; 7377 mResolveActivity.enabled = true; 7378 mResolveInfo.activityInfo = mResolveActivity; 7379 mResolveInfo.priority = 0; 7380 mResolveInfo.preferredOrder = 0; 7381 mResolveInfo.match = 0; 7382 mResolveComponentName = new ComponentName( 7383 mAndroidApplication.packageName, mResolveActivity.name); 7384 } 7385 } 7386 } 7387 } 7388 7389 if (DEBUG_PACKAGE_SCANNING) { 7390 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7391 Log.d(TAG, "Scanning package " + pkg.packageName); 7392 } 7393 7394 synchronized (mPackages) { 7395 if (mPackages.containsKey(pkg.packageName) 7396 || mSharedLibraries.containsKey(pkg.packageName)) { 7397 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7398 "Application package " + pkg.packageName 7399 + " already installed. Skipping duplicate."); 7400 } 7401 7402 // If we're only installing presumed-existing packages, require that the 7403 // scanned APK is both already known and at the path previously established 7404 // for it. Previously unknown packages we pick up normally, but if we have an 7405 // a priori expectation about this package's install presence, enforce it. 7406 // With a singular exception for new system packages. When an OTA contains 7407 // a new system package, we allow the codepath to change from a system location 7408 // to the user-installed location. If we don't allow this change, any newer, 7409 // user-installed version of the application will be ignored. 7410 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7411 if (mExpectingBetter.containsKey(pkg.packageName)) { 7412 logCriticalInfo(Log.WARN, 7413 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7414 } else { 7415 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7416 if (known != null) { 7417 if (DEBUG_PACKAGE_SCANNING) { 7418 Log.d(TAG, "Examining " + pkg.codePath 7419 + " and requiring known paths " + known.codePathString 7420 + " & " + known.resourcePathString); 7421 } 7422 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7423 || !pkg.applicationInfo.getResourcePath().equals( 7424 known.resourcePathString)) { 7425 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7426 "Application package " + pkg.packageName 7427 + " found at " + pkg.applicationInfo.getCodePath() 7428 + " but expected at " + known.codePathString 7429 + "; ignoring."); 7430 } 7431 } 7432 } 7433 } 7434 } 7435 7436 // Initialize package source and resource directories 7437 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7438 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7439 7440 SharedUserSetting suid = null; 7441 PackageSetting pkgSetting = null; 7442 7443 if (!isSystemApp(pkg)) { 7444 // Only system apps can use these features. 7445 pkg.mOriginalPackages = null; 7446 pkg.mRealPackage = null; 7447 pkg.mAdoptPermissions = null; 7448 } 7449 7450 // Getting the package setting may have a side-effect, so if we 7451 // are only checking if scan would succeed, stash a copy of the 7452 // old setting to restore at the end. 7453 PackageSetting nonMutatedPs = null; 7454 7455 // writer 7456 synchronized (mPackages) { 7457 if (pkg.mSharedUserId != null) { 7458 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7459 if (suid == null) { 7460 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7461 "Creating application package " + pkg.packageName 7462 + " for shared user failed"); 7463 } 7464 if (DEBUG_PACKAGE_SCANNING) { 7465 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7466 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7467 + "): packages=" + suid.packages); 7468 } 7469 } 7470 7471 // Check if we are renaming from an original package name. 7472 PackageSetting origPackage = null; 7473 String realName = null; 7474 if (pkg.mOriginalPackages != null) { 7475 // This package may need to be renamed to a previously 7476 // installed name. Let's check on that... 7477 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7478 if (pkg.mOriginalPackages.contains(renamed)) { 7479 // This package had originally been installed as the 7480 // original name, and we have already taken care of 7481 // transitioning to the new one. Just update the new 7482 // one to continue using the old name. 7483 realName = pkg.mRealPackage; 7484 if (!pkg.packageName.equals(renamed)) { 7485 // Callers into this function may have already taken 7486 // care of renaming the package; only do it here if 7487 // it is not already done. 7488 pkg.setPackageName(renamed); 7489 } 7490 7491 } else { 7492 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7493 if ((origPackage = mSettings.peekPackageLPr( 7494 pkg.mOriginalPackages.get(i))) != null) { 7495 // We do have the package already installed under its 7496 // original name... should we use it? 7497 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7498 // New package is not compatible with original. 7499 origPackage = null; 7500 continue; 7501 } else if (origPackage.sharedUser != null) { 7502 // Make sure uid is compatible between packages. 7503 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7504 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7505 + " to " + pkg.packageName + ": old uid " 7506 + origPackage.sharedUser.name 7507 + " differs from " + pkg.mSharedUserId); 7508 origPackage = null; 7509 continue; 7510 } 7511 } else { 7512 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7513 + pkg.packageName + " to old name " + origPackage.name); 7514 } 7515 break; 7516 } 7517 } 7518 } 7519 } 7520 7521 if (mTransferedPackages.contains(pkg.packageName)) { 7522 Slog.w(TAG, "Package " + pkg.packageName 7523 + " was transferred to another, but its .apk remains"); 7524 } 7525 7526 // See comments in nonMutatedPs declaration 7527 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7528 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7529 if (foundPs != null) { 7530 nonMutatedPs = new PackageSetting(foundPs); 7531 } 7532 } 7533 7534 // Just create the setting, don't add it yet. For already existing packages 7535 // the PkgSetting exists already and doesn't have to be created. 7536 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7537 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7538 pkg.applicationInfo.primaryCpuAbi, 7539 pkg.applicationInfo.secondaryCpuAbi, 7540 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7541 user, false); 7542 if (pkgSetting == null) { 7543 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7544 "Creating application package " + pkg.packageName + " failed"); 7545 } 7546 7547 if (pkgSetting.origPackage != null) { 7548 // If we are first transitioning from an original package, 7549 // fix up the new package's name now. We need to do this after 7550 // looking up the package under its new name, so getPackageLP 7551 // can take care of fiddling things correctly. 7552 pkg.setPackageName(origPackage.name); 7553 7554 // File a report about this. 7555 String msg = "New package " + pkgSetting.realName 7556 + " renamed to replace old package " + pkgSetting.name; 7557 reportSettingsProblem(Log.WARN, msg); 7558 7559 // Make a note of it. 7560 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7561 mTransferedPackages.add(origPackage.name); 7562 } 7563 7564 // No longer need to retain this. 7565 pkgSetting.origPackage = null; 7566 } 7567 7568 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7569 // Make a note of it. 7570 mTransferedPackages.add(pkg.packageName); 7571 } 7572 7573 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7574 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7575 } 7576 7577 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7578 // Check all shared libraries and map to their actual file path. 7579 // We only do this here for apps not on a system dir, because those 7580 // are the only ones that can fail an install due to this. We 7581 // will take care of the system apps by updating all of their 7582 // library paths after the scan is done. 7583 updateSharedLibrariesLPw(pkg, null); 7584 } 7585 7586 if (mFoundPolicyFile) { 7587 SELinuxMMAC.assignSeinfoValue(pkg); 7588 } 7589 7590 pkg.applicationInfo.uid = pkgSetting.appId; 7591 pkg.mExtras = pkgSetting; 7592 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7593 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7594 // We just determined the app is signed correctly, so bring 7595 // over the latest parsed certs. 7596 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7597 } else { 7598 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7599 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7600 "Package " + pkg.packageName + " upgrade keys do not match the " 7601 + "previously installed version"); 7602 } else { 7603 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7604 String msg = "System package " + pkg.packageName 7605 + " signature changed; retaining data."; 7606 reportSettingsProblem(Log.WARN, msg); 7607 } 7608 } 7609 } else { 7610 try { 7611 verifySignaturesLP(pkgSetting, pkg); 7612 // We just determined the app is signed correctly, so bring 7613 // over the latest parsed certs. 7614 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7615 } catch (PackageManagerException e) { 7616 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7617 throw e; 7618 } 7619 // The signature has changed, but this package is in the system 7620 // image... let's recover! 7621 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7622 // However... if this package is part of a shared user, but it 7623 // doesn't match the signature of the shared user, let's fail. 7624 // What this means is that you can't change the signatures 7625 // associated with an overall shared user, which doesn't seem all 7626 // that unreasonable. 7627 if (pkgSetting.sharedUser != null) { 7628 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7629 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7630 throw new PackageManagerException( 7631 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7632 "Signature mismatch for shared user: " 7633 + pkgSetting.sharedUser); 7634 } 7635 } 7636 // File a report about this. 7637 String msg = "System package " + pkg.packageName 7638 + " signature changed; retaining data."; 7639 reportSettingsProblem(Log.WARN, msg); 7640 } 7641 } 7642 // Verify that this new package doesn't have any content providers 7643 // that conflict with existing packages. Only do this if the 7644 // package isn't already installed, since we don't want to break 7645 // things that are installed. 7646 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7647 final int N = pkg.providers.size(); 7648 int i; 7649 for (i=0; i<N; i++) { 7650 PackageParser.Provider p = pkg.providers.get(i); 7651 if (p.info.authority != null) { 7652 String names[] = p.info.authority.split(";"); 7653 for (int j = 0; j < names.length; j++) { 7654 if (mProvidersByAuthority.containsKey(names[j])) { 7655 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7656 final String otherPackageName = 7657 ((other != null && other.getComponentName() != null) ? 7658 other.getComponentName().getPackageName() : "?"); 7659 throw new PackageManagerException( 7660 INSTALL_FAILED_CONFLICTING_PROVIDER, 7661 "Can't install because provider name " + names[j] 7662 + " (in package " + pkg.applicationInfo.packageName 7663 + ") is already used by " + otherPackageName); 7664 } 7665 } 7666 } 7667 } 7668 } 7669 7670 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7671 // This package wants to adopt ownership of permissions from 7672 // another package. 7673 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7674 final String origName = pkg.mAdoptPermissions.get(i); 7675 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7676 if (orig != null) { 7677 if (verifyPackageUpdateLPr(orig, pkg)) { 7678 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7679 + pkg.packageName); 7680 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7681 } 7682 } 7683 } 7684 } 7685 } 7686 7687 final String pkgName = pkg.packageName; 7688 7689 final long scanFileTime = scanFile.lastModified(); 7690 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7691 pkg.applicationInfo.processName = fixProcessName( 7692 pkg.applicationInfo.packageName, 7693 pkg.applicationInfo.processName, 7694 pkg.applicationInfo.uid); 7695 7696 if (pkg != mPlatformPackage) { 7697 // Get all of our default paths setup 7698 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7699 } 7700 7701 final String path = scanFile.getPath(); 7702 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7703 7704 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7705 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7706 7707 // Some system apps still use directory structure for native libraries 7708 // in which case we might end up not detecting abi solely based on apk 7709 // structure. Try to detect abi based on directory structure. 7710 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7711 pkg.applicationInfo.primaryCpuAbi == null) { 7712 setBundledAppAbisAndRoots(pkg, pkgSetting); 7713 setNativeLibraryPaths(pkg); 7714 } 7715 7716 } else { 7717 if ((scanFlags & SCAN_MOVE) != 0) { 7718 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7719 // but we already have this packages package info in the PackageSetting. We just 7720 // use that and derive the native library path based on the new codepath. 7721 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7722 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7723 } 7724 7725 // Set native library paths again. For moves, the path will be updated based on the 7726 // ABIs we've determined above. For non-moves, the path will be updated based on the 7727 // ABIs we determined during compilation, but the path will depend on the final 7728 // package path (after the rename away from the stage path). 7729 setNativeLibraryPaths(pkg); 7730 } 7731 7732 // This is a special case for the "system" package, where the ABI is 7733 // dictated by the zygote configuration (and init.rc). We should keep track 7734 // of this ABI so that we can deal with "normal" applications that run under 7735 // the same UID correctly. 7736 if (mPlatformPackage == pkg) { 7737 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7738 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7739 } 7740 7741 // If there's a mismatch between the abi-override in the package setting 7742 // and the abiOverride specified for the install. Warn about this because we 7743 // would've already compiled the app without taking the package setting into 7744 // account. 7745 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7746 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7747 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7748 " for package " + pkg.packageName); 7749 } 7750 } 7751 7752 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7753 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7754 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7755 7756 // Copy the derived override back to the parsed package, so that we can 7757 // update the package settings accordingly. 7758 pkg.cpuAbiOverride = cpuAbiOverride; 7759 7760 if (DEBUG_ABI_SELECTION) { 7761 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7762 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7763 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7764 } 7765 7766 // Push the derived path down into PackageSettings so we know what to 7767 // clean up at uninstall time. 7768 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7769 7770 if (DEBUG_ABI_SELECTION) { 7771 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7772 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7773 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7774 } 7775 7776 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7777 // We don't do this here during boot because we can do it all 7778 // at once after scanning all existing packages. 7779 // 7780 // We also do this *before* we perform dexopt on this package, so that 7781 // we can avoid redundant dexopts, and also to make sure we've got the 7782 // code and package path correct. 7783 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7784 pkg, true /* boot complete */); 7785 } 7786 7787 if (mFactoryTest && pkg.requestedPermissions.contains( 7788 android.Manifest.permission.FACTORY_TEST)) { 7789 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7790 } 7791 7792 ArrayList<PackageParser.Package> clientLibPkgs = null; 7793 7794 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7795 if (nonMutatedPs != null) { 7796 synchronized (mPackages) { 7797 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7798 } 7799 } 7800 return pkg; 7801 } 7802 7803 // Only privileged apps and updated privileged apps can add child packages. 7804 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7805 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7806 throw new PackageManagerException("Only privileged apps and updated " 7807 + "privileged apps can add child packages. Ignoring package " 7808 + pkg.packageName); 7809 } 7810 final int childCount = pkg.childPackages.size(); 7811 for (int i = 0; i < childCount; i++) { 7812 PackageParser.Package childPkg = pkg.childPackages.get(i); 7813 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7814 childPkg.packageName)) { 7815 throw new PackageManagerException("Cannot override a child package of " 7816 + "another disabled system app. Ignoring package " + pkg.packageName); 7817 } 7818 } 7819 } 7820 7821 // writer 7822 synchronized (mPackages) { 7823 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7824 // Only system apps can add new shared libraries. 7825 if (pkg.libraryNames != null) { 7826 for (int i=0; i<pkg.libraryNames.size(); i++) { 7827 String name = pkg.libraryNames.get(i); 7828 boolean allowed = false; 7829 if (pkg.isUpdatedSystemApp()) { 7830 // New library entries can only be added through the 7831 // system image. This is important to get rid of a lot 7832 // of nasty edge cases: for example if we allowed a non- 7833 // system update of the app to add a library, then uninstalling 7834 // the update would make the library go away, and assumptions 7835 // we made such as through app install filtering would now 7836 // have allowed apps on the device which aren't compatible 7837 // with it. Better to just have the restriction here, be 7838 // conservative, and create many fewer cases that can negatively 7839 // impact the user experience. 7840 final PackageSetting sysPs = mSettings 7841 .getDisabledSystemPkgLPr(pkg.packageName); 7842 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7843 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7844 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7845 allowed = true; 7846 break; 7847 } 7848 } 7849 } 7850 } else { 7851 allowed = true; 7852 } 7853 if (allowed) { 7854 if (!mSharedLibraries.containsKey(name)) { 7855 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7856 } else if (!name.equals(pkg.packageName)) { 7857 Slog.w(TAG, "Package " + pkg.packageName + " library " 7858 + name + " already exists; skipping"); 7859 } 7860 } else { 7861 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7862 + name + " that is not declared on system image; skipping"); 7863 } 7864 } 7865 if ((scanFlags & SCAN_BOOTING) == 0) { 7866 // If we are not booting, we need to update any applications 7867 // that are clients of our shared library. If we are booting, 7868 // this will all be done once the scan is complete. 7869 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7870 } 7871 } 7872 } 7873 } 7874 7875 // Request the ActivityManager to kill the process(only for existing packages) 7876 // so that we do not end up in a confused state while the user is still using the older 7877 // version of the application while the new one gets installed. 7878 if ((scanFlags & SCAN_REPLACING) != 0) { 7879 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7880 7881 killApplication(pkg.applicationInfo.packageName, 7882 pkg.applicationInfo.uid, "replace pkg"); 7883 7884 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7885 } 7886 7887 // Also need to kill any apps that are dependent on the library. 7888 if (clientLibPkgs != null) { 7889 for (int i=0; i<clientLibPkgs.size(); i++) { 7890 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7891 killApplication(clientPkg.applicationInfo.packageName, 7892 clientPkg.applicationInfo.uid, "update lib"); 7893 } 7894 } 7895 7896 // Make sure we're not adding any bogus keyset info 7897 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7898 ksms.assertScannedPackageValid(pkg); 7899 7900 // writer 7901 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7902 7903 boolean createIdmapFailed = false; 7904 synchronized (mPackages) { 7905 // We don't expect installation to fail beyond this point 7906 7907 // Add the new setting to mSettings 7908 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7909 // Add the new setting to mPackages 7910 mPackages.put(pkg.applicationInfo.packageName, pkg); 7911 // Make sure we don't accidentally delete its data. 7912 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7913 while (iter.hasNext()) { 7914 PackageCleanItem item = iter.next(); 7915 if (pkgName.equals(item.packageName)) { 7916 iter.remove(); 7917 } 7918 } 7919 7920 // Take care of first install / last update times. 7921 if (currentTime != 0) { 7922 if (pkgSetting.firstInstallTime == 0) { 7923 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7924 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7925 pkgSetting.lastUpdateTime = currentTime; 7926 } 7927 } else if (pkgSetting.firstInstallTime == 0) { 7928 // We need *something*. Take time time stamp of the file. 7929 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7930 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7931 if (scanFileTime != pkgSetting.timeStamp) { 7932 // A package on the system image has changed; consider this 7933 // to be an update. 7934 pkgSetting.lastUpdateTime = scanFileTime; 7935 } 7936 } 7937 7938 // Add the package's KeySets to the global KeySetManagerService 7939 ksms.addScannedPackageLPw(pkg); 7940 7941 int N = pkg.providers.size(); 7942 StringBuilder r = null; 7943 int i; 7944 for (i=0; i<N; i++) { 7945 PackageParser.Provider p = pkg.providers.get(i); 7946 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7947 p.info.processName, pkg.applicationInfo.uid); 7948 mProviders.addProvider(p); 7949 p.syncable = p.info.isSyncable; 7950 if (p.info.authority != null) { 7951 String names[] = p.info.authority.split(";"); 7952 p.info.authority = null; 7953 for (int j = 0; j < names.length; j++) { 7954 if (j == 1 && p.syncable) { 7955 // We only want the first authority for a provider to possibly be 7956 // syncable, so if we already added this provider using a different 7957 // authority clear the syncable flag. We copy the provider before 7958 // changing it because the mProviders object contains a reference 7959 // to a provider that we don't want to change. 7960 // Only do this for the second authority since the resulting provider 7961 // object can be the same for all future authorities for this provider. 7962 p = new PackageParser.Provider(p); 7963 p.syncable = false; 7964 } 7965 if (!mProvidersByAuthority.containsKey(names[j])) { 7966 mProvidersByAuthority.put(names[j], p); 7967 if (p.info.authority == null) { 7968 p.info.authority = names[j]; 7969 } else { 7970 p.info.authority = p.info.authority + ";" + names[j]; 7971 } 7972 if (DEBUG_PACKAGE_SCANNING) { 7973 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7974 Log.d(TAG, "Registered content provider: " + names[j] 7975 + ", className = " + p.info.name + ", isSyncable = " 7976 + p.info.isSyncable); 7977 } 7978 } else { 7979 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7980 Slog.w(TAG, "Skipping provider name " + names[j] + 7981 " (in package " + pkg.applicationInfo.packageName + 7982 "): name already used by " 7983 + ((other != null && other.getComponentName() != null) 7984 ? other.getComponentName().getPackageName() : "?")); 7985 } 7986 } 7987 } 7988 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7989 if (r == null) { 7990 r = new StringBuilder(256); 7991 } else { 7992 r.append(' '); 7993 } 7994 r.append(p.info.name); 7995 } 7996 } 7997 if (r != null) { 7998 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7999 } 8000 8001 N = pkg.services.size(); 8002 r = null; 8003 for (i=0; i<N; i++) { 8004 PackageParser.Service s = pkg.services.get(i); 8005 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8006 s.info.processName, pkg.applicationInfo.uid); 8007 mServices.addService(s); 8008 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8009 if (r == null) { 8010 r = new StringBuilder(256); 8011 } else { 8012 r.append(' '); 8013 } 8014 r.append(s.info.name); 8015 } 8016 } 8017 if (r != null) { 8018 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8019 } 8020 8021 N = pkg.receivers.size(); 8022 r = null; 8023 for (i=0; i<N; i++) { 8024 PackageParser.Activity a = pkg.receivers.get(i); 8025 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8026 a.info.processName, pkg.applicationInfo.uid); 8027 mReceivers.addActivity(a, "receiver"); 8028 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8029 if (r == null) { 8030 r = new StringBuilder(256); 8031 } else { 8032 r.append(' '); 8033 } 8034 r.append(a.info.name); 8035 } 8036 } 8037 if (r != null) { 8038 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8039 } 8040 8041 N = pkg.activities.size(); 8042 r = null; 8043 for (i=0; i<N; i++) { 8044 PackageParser.Activity a = pkg.activities.get(i); 8045 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8046 a.info.processName, pkg.applicationInfo.uid); 8047 mActivities.addActivity(a, "activity"); 8048 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8049 if (r == null) { 8050 r = new StringBuilder(256); 8051 } else { 8052 r.append(' '); 8053 } 8054 r.append(a.info.name); 8055 } 8056 } 8057 if (r != null) { 8058 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8059 } 8060 8061 N = pkg.permissionGroups.size(); 8062 r = null; 8063 for (i=0; i<N; i++) { 8064 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8065 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8066 if (cur == null) { 8067 mPermissionGroups.put(pg.info.name, pg); 8068 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8069 if (r == null) { 8070 r = new StringBuilder(256); 8071 } else { 8072 r.append(' '); 8073 } 8074 r.append(pg.info.name); 8075 } 8076 } else { 8077 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8078 + pg.info.packageName + " ignored: original from " 8079 + cur.info.packageName); 8080 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8081 if (r == null) { 8082 r = new StringBuilder(256); 8083 } else { 8084 r.append(' '); 8085 } 8086 r.append("DUP:"); 8087 r.append(pg.info.name); 8088 } 8089 } 8090 } 8091 if (r != null) { 8092 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8093 } 8094 8095 N = pkg.permissions.size(); 8096 r = null; 8097 for (i=0; i<N; i++) { 8098 PackageParser.Permission p = pkg.permissions.get(i); 8099 8100 // Assume by default that we did not install this permission into the system. 8101 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8102 8103 // Now that permission groups have a special meaning, we ignore permission 8104 // groups for legacy apps to prevent unexpected behavior. In particular, 8105 // permissions for one app being granted to someone just becase they happen 8106 // to be in a group defined by another app (before this had no implications). 8107 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8108 p.group = mPermissionGroups.get(p.info.group); 8109 // Warn for a permission in an unknown group. 8110 if (p.info.group != null && p.group == null) { 8111 Slog.w(TAG, "Permission " + p.info.name + " from package " 8112 + p.info.packageName + " in an unknown group " + p.info.group); 8113 } 8114 } 8115 8116 ArrayMap<String, BasePermission> permissionMap = 8117 p.tree ? mSettings.mPermissionTrees 8118 : mSettings.mPermissions; 8119 BasePermission bp = permissionMap.get(p.info.name); 8120 8121 // Allow system apps to redefine non-system permissions 8122 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8123 final boolean currentOwnerIsSystem = (bp.perm != null 8124 && isSystemApp(bp.perm.owner)); 8125 if (isSystemApp(p.owner)) { 8126 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8127 // It's a built-in permission and no owner, take ownership now 8128 bp.packageSetting = pkgSetting; 8129 bp.perm = p; 8130 bp.uid = pkg.applicationInfo.uid; 8131 bp.sourcePackage = p.info.packageName; 8132 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8133 } else if (!currentOwnerIsSystem) { 8134 String msg = "New decl " + p.owner + " of permission " 8135 + p.info.name + " is system; overriding " + bp.sourcePackage; 8136 reportSettingsProblem(Log.WARN, msg); 8137 bp = null; 8138 } 8139 } 8140 } 8141 8142 if (bp == null) { 8143 bp = new BasePermission(p.info.name, p.info.packageName, 8144 BasePermission.TYPE_NORMAL); 8145 permissionMap.put(p.info.name, bp); 8146 } 8147 8148 if (bp.perm == null) { 8149 if (bp.sourcePackage == null 8150 || bp.sourcePackage.equals(p.info.packageName)) { 8151 BasePermission tree = findPermissionTreeLP(p.info.name); 8152 if (tree == null 8153 || tree.sourcePackage.equals(p.info.packageName)) { 8154 bp.packageSetting = pkgSetting; 8155 bp.perm = p; 8156 bp.uid = pkg.applicationInfo.uid; 8157 bp.sourcePackage = p.info.packageName; 8158 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8159 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8160 if (r == null) { 8161 r = new StringBuilder(256); 8162 } else { 8163 r.append(' '); 8164 } 8165 r.append(p.info.name); 8166 } 8167 } else { 8168 Slog.w(TAG, "Permission " + p.info.name + " from package " 8169 + p.info.packageName + " ignored: base tree " 8170 + tree.name + " is from package " 8171 + tree.sourcePackage); 8172 } 8173 } else { 8174 Slog.w(TAG, "Permission " + p.info.name + " from package " 8175 + p.info.packageName + " ignored: original from " 8176 + bp.sourcePackage); 8177 } 8178 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8179 if (r == null) { 8180 r = new StringBuilder(256); 8181 } else { 8182 r.append(' '); 8183 } 8184 r.append("DUP:"); 8185 r.append(p.info.name); 8186 } 8187 if (bp.perm == p) { 8188 bp.protectionLevel = p.info.protectionLevel; 8189 } 8190 } 8191 8192 if (r != null) { 8193 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8194 } 8195 8196 N = pkg.instrumentation.size(); 8197 r = null; 8198 for (i=0; i<N; i++) { 8199 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8200 a.info.packageName = pkg.applicationInfo.packageName; 8201 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8202 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8203 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8204 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8205 a.info.dataDir = pkg.applicationInfo.dataDir; 8206 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 8207 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 8208 8209 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8210 // need other information about the application, like the ABI and what not ? 8211 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8212 mInstrumentation.put(a.getComponentName(), a); 8213 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8214 if (r == null) { 8215 r = new StringBuilder(256); 8216 } else { 8217 r.append(' '); 8218 } 8219 r.append(a.info.name); 8220 } 8221 } 8222 if (r != null) { 8223 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8224 } 8225 8226 if (pkg.protectedBroadcasts != null) { 8227 N = pkg.protectedBroadcasts.size(); 8228 for (i=0; i<N; i++) { 8229 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8230 } 8231 } 8232 8233 pkgSetting.setTimeStamp(scanFileTime); 8234 8235 // Create idmap files for pairs of (packages, overlay packages). 8236 // Note: "android", ie framework-res.apk, is handled by native layers. 8237 if (pkg.mOverlayTarget != null) { 8238 // This is an overlay package. 8239 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8240 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8241 mOverlays.put(pkg.mOverlayTarget, 8242 new ArrayMap<String, PackageParser.Package>()); 8243 } 8244 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8245 map.put(pkg.packageName, pkg); 8246 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8247 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8248 createIdmapFailed = true; 8249 } 8250 } 8251 } else if (mOverlays.containsKey(pkg.packageName) && 8252 !pkg.packageName.equals("android")) { 8253 // This is a regular package, with one or more known overlay packages. 8254 createIdmapsForPackageLI(pkg); 8255 } 8256 } 8257 8258 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8259 8260 if (createIdmapFailed) { 8261 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8262 "scanPackageLI failed to createIdmap"); 8263 } 8264 return pkg; 8265 } 8266 8267 /** 8268 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8269 * is derived purely on the basis of the contents of {@code scanFile} and 8270 * {@code cpuAbiOverride}. 8271 * 8272 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8273 */ 8274 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8275 String cpuAbiOverride, boolean extractLibs) 8276 throws PackageManagerException { 8277 // TODO: We can probably be smarter about this stuff. For installed apps, 8278 // we can calculate this information at install time once and for all. For 8279 // system apps, we can probably assume that this information doesn't change 8280 // after the first boot scan. As things stand, we do lots of unnecessary work. 8281 8282 // Give ourselves some initial paths; we'll come back for another 8283 // pass once we've determined ABI below. 8284 setNativeLibraryPaths(pkg); 8285 8286 // We would never need to extract libs for forward-locked and external packages, 8287 // since the container service will do it for us. We shouldn't attempt to 8288 // extract libs from system app when it was not updated. 8289 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8290 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8291 extractLibs = false; 8292 } 8293 8294 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8295 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8296 8297 NativeLibraryHelper.Handle handle = null; 8298 try { 8299 handle = NativeLibraryHelper.Handle.create(pkg); 8300 // TODO(multiArch): This can be null for apps that didn't go through the 8301 // usual installation process. We can calculate it again, like we 8302 // do during install time. 8303 // 8304 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8305 // unnecessary. 8306 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8307 8308 // Null out the abis so that they can be recalculated. 8309 pkg.applicationInfo.primaryCpuAbi = null; 8310 pkg.applicationInfo.secondaryCpuAbi = null; 8311 if (isMultiArch(pkg.applicationInfo)) { 8312 // Warn if we've set an abiOverride for multi-lib packages.. 8313 // By definition, we need to copy both 32 and 64 bit libraries for 8314 // such packages. 8315 if (pkg.cpuAbiOverride != null 8316 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8317 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8318 } 8319 8320 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8321 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8322 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8323 if (extractLibs) { 8324 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8325 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8326 useIsaSpecificSubdirs); 8327 } else { 8328 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8329 } 8330 } 8331 8332 maybeThrowExceptionForMultiArchCopy( 8333 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8334 8335 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8336 if (extractLibs) { 8337 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8338 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8339 useIsaSpecificSubdirs); 8340 } else { 8341 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8342 } 8343 } 8344 8345 maybeThrowExceptionForMultiArchCopy( 8346 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8347 8348 if (abi64 >= 0) { 8349 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8350 } 8351 8352 if (abi32 >= 0) { 8353 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8354 if (abi64 >= 0) { 8355 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8356 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8357 pkg.applicationInfo.primaryCpuAbi = abi; 8358 } else { 8359 pkg.applicationInfo.secondaryCpuAbi = abi; 8360 } 8361 } else { 8362 pkg.applicationInfo.primaryCpuAbi = abi; 8363 } 8364 } 8365 8366 } else { 8367 String[] abiList = (cpuAbiOverride != null) ? 8368 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8369 8370 // Enable gross and lame hacks for apps that are built with old 8371 // SDK tools. We must scan their APKs for renderscript bitcode and 8372 // not launch them if it's present. Don't bother checking on devices 8373 // that don't have 64 bit support. 8374 boolean needsRenderScriptOverride = false; 8375 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8376 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8377 abiList = Build.SUPPORTED_32_BIT_ABIS; 8378 needsRenderScriptOverride = true; 8379 } 8380 8381 final int copyRet; 8382 if (extractLibs) { 8383 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8384 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8385 } else { 8386 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8387 } 8388 8389 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8390 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8391 "Error unpackaging native libs for app, errorCode=" + copyRet); 8392 } 8393 8394 if (copyRet >= 0) { 8395 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8396 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8397 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8398 } else if (needsRenderScriptOverride) { 8399 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8400 } 8401 } 8402 } catch (IOException ioe) { 8403 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8404 } finally { 8405 IoUtils.closeQuietly(handle); 8406 } 8407 8408 // Now that we've calculated the ABIs and determined if it's an internal app, 8409 // we will go ahead and populate the nativeLibraryPath. 8410 setNativeLibraryPaths(pkg); 8411 } 8412 8413 /** 8414 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8415 * i.e, so that all packages can be run inside a single process if required. 8416 * 8417 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8418 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8419 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8420 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8421 * updating a package that belongs to a shared user. 8422 * 8423 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8424 * adds unnecessary complexity. 8425 */ 8426 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8427 PackageParser.Package scannedPackage, boolean bootComplete) { 8428 String requiredInstructionSet = null; 8429 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8430 requiredInstructionSet = VMRuntime.getInstructionSet( 8431 scannedPackage.applicationInfo.primaryCpuAbi); 8432 } 8433 8434 PackageSetting requirer = null; 8435 for (PackageSetting ps : packagesForUser) { 8436 // If packagesForUser contains scannedPackage, we skip it. This will happen 8437 // when scannedPackage is an update of an existing package. Without this check, 8438 // we will never be able to change the ABI of any package belonging to a shared 8439 // user, even if it's compatible with other packages. 8440 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8441 if (ps.primaryCpuAbiString == null) { 8442 continue; 8443 } 8444 8445 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8446 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8447 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8448 // this but there's not much we can do. 8449 String errorMessage = "Instruction set mismatch, " 8450 + ((requirer == null) ? "[caller]" : requirer) 8451 + " requires " + requiredInstructionSet + " whereas " + ps 8452 + " requires " + instructionSet; 8453 Slog.w(TAG, errorMessage); 8454 } 8455 8456 if (requiredInstructionSet == null) { 8457 requiredInstructionSet = instructionSet; 8458 requirer = ps; 8459 } 8460 } 8461 } 8462 8463 if (requiredInstructionSet != null) { 8464 String adjustedAbi; 8465 if (requirer != null) { 8466 // requirer != null implies that either scannedPackage was null or that scannedPackage 8467 // did not require an ABI, in which case we have to adjust scannedPackage to match 8468 // the ABI of the set (which is the same as requirer's ABI) 8469 adjustedAbi = requirer.primaryCpuAbiString; 8470 if (scannedPackage != null) { 8471 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8472 } 8473 } else { 8474 // requirer == null implies that we're updating all ABIs in the set to 8475 // match scannedPackage. 8476 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8477 } 8478 8479 for (PackageSetting ps : packagesForUser) { 8480 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8481 if (ps.primaryCpuAbiString != null) { 8482 continue; 8483 } 8484 8485 ps.primaryCpuAbiString = adjustedAbi; 8486 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8487 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8488 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8489 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8490 + " (requirer=" 8491 + (requirer == null ? "null" : requirer.pkg.packageName) 8492 + ", scannedPackage=" 8493 + (scannedPackage != null ? scannedPackage.packageName : "null") 8494 + ")"); 8495 try { 8496 mInstaller.rmdex(ps.codePathString, 8497 getDexCodeInstructionSet(getPreferredInstructionSet())); 8498 } catch (InstallerException ignored) { 8499 } 8500 } 8501 } 8502 } 8503 } 8504 } 8505 8506 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8507 synchronized (mPackages) { 8508 mResolverReplaced = true; 8509 // Set up information for custom user intent resolution activity. 8510 mResolveActivity.applicationInfo = pkg.applicationInfo; 8511 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8512 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8513 mResolveActivity.processName = pkg.applicationInfo.packageName; 8514 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8515 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8516 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8517 mResolveActivity.theme = 0; 8518 mResolveActivity.exported = true; 8519 mResolveActivity.enabled = true; 8520 mResolveInfo.activityInfo = mResolveActivity; 8521 mResolveInfo.priority = 0; 8522 mResolveInfo.preferredOrder = 0; 8523 mResolveInfo.match = 0; 8524 mResolveComponentName = mCustomResolverComponentName; 8525 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8526 mResolveComponentName); 8527 } 8528 } 8529 8530 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8531 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8532 8533 // Set up information for ephemeral installer activity 8534 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8535 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8536 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8537 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8538 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8539 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8540 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8541 mEphemeralInstallerActivity.theme = 0; 8542 mEphemeralInstallerActivity.exported = true; 8543 mEphemeralInstallerActivity.enabled = true; 8544 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8545 mEphemeralInstallerInfo.priority = 0; 8546 mEphemeralInstallerInfo.preferredOrder = 0; 8547 mEphemeralInstallerInfo.match = 0; 8548 8549 if (DEBUG_EPHEMERAL) { 8550 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8551 } 8552 } 8553 8554 private static String calculateBundledApkRoot(final String codePathString) { 8555 final File codePath = new File(codePathString); 8556 final File codeRoot; 8557 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8558 codeRoot = Environment.getRootDirectory(); 8559 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8560 codeRoot = Environment.getOemDirectory(); 8561 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8562 codeRoot = Environment.getVendorDirectory(); 8563 } else { 8564 // Unrecognized code path; take its top real segment as the apk root: 8565 // e.g. /something/app/blah.apk => /something 8566 try { 8567 File f = codePath.getCanonicalFile(); 8568 File parent = f.getParentFile(); // non-null because codePath is a file 8569 File tmp; 8570 while ((tmp = parent.getParentFile()) != null) { 8571 f = parent; 8572 parent = tmp; 8573 } 8574 codeRoot = f; 8575 Slog.w(TAG, "Unrecognized code path " 8576 + codePath + " - using " + codeRoot); 8577 } catch (IOException e) { 8578 // Can't canonicalize the code path -- shenanigans? 8579 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8580 return Environment.getRootDirectory().getPath(); 8581 } 8582 } 8583 return codeRoot.getPath(); 8584 } 8585 8586 /** 8587 * Derive and set the location of native libraries for the given package, 8588 * which varies depending on where and how the package was installed. 8589 */ 8590 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8591 final ApplicationInfo info = pkg.applicationInfo; 8592 final String codePath = pkg.codePath; 8593 final File codeFile = new File(codePath); 8594 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8595 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8596 8597 info.nativeLibraryRootDir = null; 8598 info.nativeLibraryRootRequiresIsa = false; 8599 info.nativeLibraryDir = null; 8600 info.secondaryNativeLibraryDir = null; 8601 8602 if (isApkFile(codeFile)) { 8603 // Monolithic install 8604 if (bundledApp) { 8605 // If "/system/lib64/apkname" exists, assume that is the per-package 8606 // native library directory to use; otherwise use "/system/lib/apkname". 8607 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8608 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8609 getPrimaryInstructionSet(info)); 8610 8611 // This is a bundled system app so choose the path based on the ABI. 8612 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8613 // is just the default path. 8614 final String apkName = deriveCodePathName(codePath); 8615 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8616 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8617 apkName).getAbsolutePath(); 8618 8619 if (info.secondaryCpuAbi != null) { 8620 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8621 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8622 secondaryLibDir, apkName).getAbsolutePath(); 8623 } 8624 } else if (asecApp) { 8625 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8626 .getAbsolutePath(); 8627 } else { 8628 final String apkName = deriveCodePathName(codePath); 8629 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8630 .getAbsolutePath(); 8631 } 8632 8633 info.nativeLibraryRootRequiresIsa = false; 8634 info.nativeLibraryDir = info.nativeLibraryRootDir; 8635 } else { 8636 // Cluster install 8637 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8638 info.nativeLibraryRootRequiresIsa = true; 8639 8640 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8641 getPrimaryInstructionSet(info)).getAbsolutePath(); 8642 8643 if (info.secondaryCpuAbi != null) { 8644 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8645 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8646 } 8647 } 8648 } 8649 8650 /** 8651 * Calculate the abis and roots for a bundled app. These can uniquely 8652 * be determined from the contents of the system partition, i.e whether 8653 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8654 * of this information, and instead assume that the system was built 8655 * sensibly. 8656 */ 8657 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8658 PackageSetting pkgSetting) { 8659 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8660 8661 // If "/system/lib64/apkname" exists, assume that is the per-package 8662 // native library directory to use; otherwise use "/system/lib/apkname". 8663 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8664 setBundledAppAbi(pkg, apkRoot, apkName); 8665 // pkgSetting might be null during rescan following uninstall of updates 8666 // to a bundled app, so accommodate that possibility. The settings in 8667 // that case will be established later from the parsed package. 8668 // 8669 // If the settings aren't null, sync them up with what we've just derived. 8670 // note that apkRoot isn't stored in the package settings. 8671 if (pkgSetting != null) { 8672 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8673 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8674 } 8675 } 8676 8677 /** 8678 * Deduces the ABI of a bundled app and sets the relevant fields on the 8679 * parsed pkg object. 8680 * 8681 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8682 * under which system libraries are installed. 8683 * @param apkName the name of the installed package. 8684 */ 8685 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8686 final File codeFile = new File(pkg.codePath); 8687 8688 final boolean has64BitLibs; 8689 final boolean has32BitLibs; 8690 if (isApkFile(codeFile)) { 8691 // Monolithic install 8692 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8693 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8694 } else { 8695 // Cluster install 8696 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8697 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8698 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8699 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8700 has64BitLibs = (new File(rootDir, isa)).exists(); 8701 } else { 8702 has64BitLibs = false; 8703 } 8704 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8705 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8706 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8707 has32BitLibs = (new File(rootDir, isa)).exists(); 8708 } else { 8709 has32BitLibs = false; 8710 } 8711 } 8712 8713 if (has64BitLibs && !has32BitLibs) { 8714 // The package has 64 bit libs, but not 32 bit libs. Its primary 8715 // ABI should be 64 bit. We can safely assume here that the bundled 8716 // native libraries correspond to the most preferred ABI in the list. 8717 8718 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8719 pkg.applicationInfo.secondaryCpuAbi = null; 8720 } else if (has32BitLibs && !has64BitLibs) { 8721 // The package has 32 bit libs but not 64 bit libs. Its primary 8722 // ABI should be 32 bit. 8723 8724 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8725 pkg.applicationInfo.secondaryCpuAbi = null; 8726 } else if (has32BitLibs && has64BitLibs) { 8727 // The application has both 64 and 32 bit bundled libraries. We check 8728 // here that the app declares multiArch support, and warn if it doesn't. 8729 // 8730 // We will be lenient here and record both ABIs. The primary will be the 8731 // ABI that's higher on the list, i.e, a device that's configured to prefer 8732 // 64 bit apps will see a 64 bit primary ABI, 8733 8734 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8735 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8736 } 8737 8738 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8739 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8740 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8741 } else { 8742 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8743 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8744 } 8745 } else { 8746 pkg.applicationInfo.primaryCpuAbi = null; 8747 pkg.applicationInfo.secondaryCpuAbi = null; 8748 } 8749 } 8750 8751 private void killPackage(PackageParser.Package pkg, String reason) { 8752 // Kill the parent package 8753 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8754 // Kill the child packages 8755 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8756 for (int i = 0; i < childCount; i++) { 8757 PackageParser.Package childPkg = pkg.childPackages.get(i); 8758 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8759 } 8760 } 8761 8762 private void killApplication(String pkgName, int appId, String reason) { 8763 // Request the ActivityManager to kill the process(only for existing packages) 8764 // so that we do not end up in a confused state while the user is still using the older 8765 // version of the application while the new one gets installed. 8766 IActivityManager am = ActivityManagerNative.getDefault(); 8767 if (am != null) { 8768 try { 8769 am.killApplicationWithAppId(pkgName, appId, reason); 8770 } catch (RemoteException e) { 8771 } 8772 } 8773 } 8774 8775 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8776 // Remove the parent package setting 8777 PackageSetting ps = (PackageSetting) pkg.mExtras; 8778 if (ps != null) { 8779 removePackageLI(ps, chatty); 8780 } 8781 // Remove the child package setting 8782 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8783 for (int i = 0; i < childCount; i++) { 8784 PackageParser.Package childPkg = pkg.childPackages.get(i); 8785 ps = (PackageSetting) childPkg.mExtras; 8786 if (ps != null) { 8787 removePackageLI(ps, chatty); 8788 } 8789 } 8790 } 8791 8792 void removePackageLI(PackageSetting ps, boolean chatty) { 8793 if (DEBUG_INSTALL) { 8794 if (chatty) 8795 Log.d(TAG, "Removing package " + ps.name); 8796 } 8797 8798 // writer 8799 synchronized (mPackages) { 8800 mPackages.remove(ps.name); 8801 final PackageParser.Package pkg = ps.pkg; 8802 if (pkg != null) { 8803 cleanPackageDataStructuresLILPw(pkg, chatty); 8804 } 8805 } 8806 } 8807 8808 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8809 if (DEBUG_INSTALL) { 8810 if (chatty) 8811 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8812 } 8813 8814 // writer 8815 synchronized (mPackages) { 8816 // Remove the parent package 8817 mPackages.remove(pkg.applicationInfo.packageName); 8818 cleanPackageDataStructuresLILPw(pkg, chatty); 8819 8820 // Remove the child packages 8821 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8822 for (int i = 0; i < childCount; i++) { 8823 PackageParser.Package childPkg = pkg.childPackages.get(i); 8824 mPackages.remove(childPkg.applicationInfo.packageName); 8825 cleanPackageDataStructuresLILPw(childPkg, chatty); 8826 } 8827 } 8828 } 8829 8830 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8831 int N = pkg.providers.size(); 8832 StringBuilder r = null; 8833 int i; 8834 for (i=0; i<N; i++) { 8835 PackageParser.Provider p = pkg.providers.get(i); 8836 mProviders.removeProvider(p); 8837 if (p.info.authority == null) { 8838 8839 /* There was another ContentProvider with this authority when 8840 * this app was installed so this authority is null, 8841 * Ignore it as we don't have to unregister the provider. 8842 */ 8843 continue; 8844 } 8845 String names[] = p.info.authority.split(";"); 8846 for (int j = 0; j < names.length; j++) { 8847 if (mProvidersByAuthority.get(names[j]) == p) { 8848 mProvidersByAuthority.remove(names[j]); 8849 if (DEBUG_REMOVE) { 8850 if (chatty) 8851 Log.d(TAG, "Unregistered content provider: " + names[j] 8852 + ", className = " + p.info.name + ", isSyncable = " 8853 + p.info.isSyncable); 8854 } 8855 } 8856 } 8857 if (DEBUG_REMOVE && chatty) { 8858 if (r == null) { 8859 r = new StringBuilder(256); 8860 } else { 8861 r.append(' '); 8862 } 8863 r.append(p.info.name); 8864 } 8865 } 8866 if (r != null) { 8867 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8868 } 8869 8870 N = pkg.services.size(); 8871 r = null; 8872 for (i=0; i<N; i++) { 8873 PackageParser.Service s = pkg.services.get(i); 8874 mServices.removeService(s); 8875 if (chatty) { 8876 if (r == null) { 8877 r = new StringBuilder(256); 8878 } else { 8879 r.append(' '); 8880 } 8881 r.append(s.info.name); 8882 } 8883 } 8884 if (r != null) { 8885 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8886 } 8887 8888 N = pkg.receivers.size(); 8889 r = null; 8890 for (i=0; i<N; i++) { 8891 PackageParser.Activity a = pkg.receivers.get(i); 8892 mReceivers.removeActivity(a, "receiver"); 8893 if (DEBUG_REMOVE && chatty) { 8894 if (r == null) { 8895 r = new StringBuilder(256); 8896 } else { 8897 r.append(' '); 8898 } 8899 r.append(a.info.name); 8900 } 8901 } 8902 if (r != null) { 8903 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8904 } 8905 8906 N = pkg.activities.size(); 8907 r = null; 8908 for (i=0; i<N; i++) { 8909 PackageParser.Activity a = pkg.activities.get(i); 8910 mActivities.removeActivity(a, "activity"); 8911 if (DEBUG_REMOVE && chatty) { 8912 if (r == null) { 8913 r = new StringBuilder(256); 8914 } else { 8915 r.append(' '); 8916 } 8917 r.append(a.info.name); 8918 } 8919 } 8920 if (r != null) { 8921 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8922 } 8923 8924 N = pkg.permissions.size(); 8925 r = null; 8926 for (i=0; i<N; i++) { 8927 PackageParser.Permission p = pkg.permissions.get(i); 8928 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8929 if (bp == null) { 8930 bp = mSettings.mPermissionTrees.get(p.info.name); 8931 } 8932 if (bp != null && bp.perm == p) { 8933 bp.perm = null; 8934 if (DEBUG_REMOVE && chatty) { 8935 if (r == null) { 8936 r = new StringBuilder(256); 8937 } else { 8938 r.append(' '); 8939 } 8940 r.append(p.info.name); 8941 } 8942 } 8943 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8944 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8945 if (appOpPkgs != null) { 8946 appOpPkgs.remove(pkg.packageName); 8947 } 8948 } 8949 } 8950 if (r != null) { 8951 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8952 } 8953 8954 N = pkg.requestedPermissions.size(); 8955 r = null; 8956 for (i=0; i<N; i++) { 8957 String perm = pkg.requestedPermissions.get(i); 8958 BasePermission bp = mSettings.mPermissions.get(perm); 8959 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8960 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8961 if (appOpPkgs != null) { 8962 appOpPkgs.remove(pkg.packageName); 8963 if (appOpPkgs.isEmpty()) { 8964 mAppOpPermissionPackages.remove(perm); 8965 } 8966 } 8967 } 8968 } 8969 if (r != null) { 8970 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8971 } 8972 8973 N = pkg.instrumentation.size(); 8974 r = null; 8975 for (i=0; i<N; i++) { 8976 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8977 mInstrumentation.remove(a.getComponentName()); 8978 if (DEBUG_REMOVE && chatty) { 8979 if (r == null) { 8980 r = new StringBuilder(256); 8981 } else { 8982 r.append(' '); 8983 } 8984 r.append(a.info.name); 8985 } 8986 } 8987 if (r != null) { 8988 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8989 } 8990 8991 r = null; 8992 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8993 // Only system apps can hold shared libraries. 8994 if (pkg.libraryNames != null) { 8995 for (i=0; i<pkg.libraryNames.size(); i++) { 8996 String name = pkg.libraryNames.get(i); 8997 SharedLibraryEntry cur = mSharedLibraries.get(name); 8998 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8999 mSharedLibraries.remove(name); 9000 if (DEBUG_REMOVE && chatty) { 9001 if (r == null) { 9002 r = new StringBuilder(256); 9003 } else { 9004 r.append(' '); 9005 } 9006 r.append(name); 9007 } 9008 } 9009 } 9010 } 9011 } 9012 if (r != null) { 9013 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9014 } 9015 } 9016 9017 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9018 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9019 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9020 return true; 9021 } 9022 } 9023 return false; 9024 } 9025 9026 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9027 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9028 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9029 9030 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9031 // Update the parent permissions 9032 updatePermissionsLPw(pkg.packageName, pkg, flags); 9033 // Update the child permissions 9034 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9035 for (int i = 0; i < childCount; i++) { 9036 PackageParser.Package childPkg = pkg.childPackages.get(i); 9037 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9038 } 9039 } 9040 9041 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9042 int flags) { 9043 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9044 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9045 } 9046 9047 private void updatePermissionsLPw(String changingPkg, 9048 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9049 // Make sure there are no dangling permission trees. 9050 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9051 while (it.hasNext()) { 9052 final BasePermission bp = it.next(); 9053 if (bp.packageSetting == null) { 9054 // We may not yet have parsed the package, so just see if 9055 // we still know about its settings. 9056 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9057 } 9058 if (bp.packageSetting == null) { 9059 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9060 + " from package " + bp.sourcePackage); 9061 it.remove(); 9062 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9063 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9064 Slog.i(TAG, "Removing old permission tree: " + bp.name 9065 + " from package " + bp.sourcePackage); 9066 flags |= UPDATE_PERMISSIONS_ALL; 9067 it.remove(); 9068 } 9069 } 9070 } 9071 9072 // Make sure all dynamic permissions have been assigned to a package, 9073 // and make sure there are no dangling permissions. 9074 it = mSettings.mPermissions.values().iterator(); 9075 while (it.hasNext()) { 9076 final BasePermission bp = it.next(); 9077 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9078 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9079 + bp.name + " pkg=" + bp.sourcePackage 9080 + " info=" + bp.pendingInfo); 9081 if (bp.packageSetting == null && bp.pendingInfo != null) { 9082 final BasePermission tree = findPermissionTreeLP(bp.name); 9083 if (tree != null && tree.perm != null) { 9084 bp.packageSetting = tree.packageSetting; 9085 bp.perm = new PackageParser.Permission(tree.perm.owner, 9086 new PermissionInfo(bp.pendingInfo)); 9087 bp.perm.info.packageName = tree.perm.info.packageName; 9088 bp.perm.info.name = bp.name; 9089 bp.uid = tree.uid; 9090 } 9091 } 9092 } 9093 if (bp.packageSetting == null) { 9094 // We may not yet have parsed the package, so just see if 9095 // we still know about its settings. 9096 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9097 } 9098 if (bp.packageSetting == null) { 9099 Slog.w(TAG, "Removing dangling permission: " + bp.name 9100 + " from package " + bp.sourcePackage); 9101 it.remove(); 9102 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9103 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9104 Slog.i(TAG, "Removing old permission: " + bp.name 9105 + " from package " + bp.sourcePackage); 9106 flags |= UPDATE_PERMISSIONS_ALL; 9107 it.remove(); 9108 } 9109 } 9110 } 9111 9112 // Now update the permissions for all packages, in particular 9113 // replace the granted permissions of the system packages. 9114 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9115 for (PackageParser.Package pkg : mPackages.values()) { 9116 if (pkg != pkgInfo) { 9117 // Only replace for packages on requested volume 9118 final String volumeUuid = getVolumeUuidForPackage(pkg); 9119 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9120 && Objects.equals(replaceVolumeUuid, volumeUuid); 9121 grantPermissionsLPw(pkg, replace, changingPkg); 9122 } 9123 } 9124 } 9125 9126 if (pkgInfo != null) { 9127 // Only replace for packages on requested volume 9128 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9129 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9130 && Objects.equals(replaceVolumeUuid, volumeUuid); 9131 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9132 } 9133 } 9134 9135 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9136 String packageOfInterest) { 9137 // IMPORTANT: There are two types of permissions: install and runtime. 9138 // Install time permissions are granted when the app is installed to 9139 // all device users and users added in the future. Runtime permissions 9140 // are granted at runtime explicitly to specific users. Normal and signature 9141 // protected permissions are install time permissions. Dangerous permissions 9142 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9143 // otherwise they are runtime permissions. This function does not manage 9144 // runtime permissions except for the case an app targeting Lollipop MR1 9145 // being upgraded to target a newer SDK, in which case dangerous permissions 9146 // are transformed from install time to runtime ones. 9147 9148 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9149 if (ps == null) { 9150 return; 9151 } 9152 9153 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9154 9155 PermissionsState permissionsState = ps.getPermissionsState(); 9156 PermissionsState origPermissions = permissionsState; 9157 9158 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9159 9160 boolean runtimePermissionsRevoked = false; 9161 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9162 9163 boolean changedInstallPermission = false; 9164 9165 if (replace) { 9166 ps.installPermissionsFixed = false; 9167 if (!ps.isSharedUser()) { 9168 origPermissions = new PermissionsState(permissionsState); 9169 permissionsState.reset(); 9170 } else { 9171 // We need to know only about runtime permission changes since the 9172 // calling code always writes the install permissions state but 9173 // the runtime ones are written only if changed. The only cases of 9174 // changed runtime permissions here are promotion of an install to 9175 // runtime and revocation of a runtime from a shared user. 9176 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9177 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9178 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9179 runtimePermissionsRevoked = true; 9180 } 9181 } 9182 } 9183 9184 permissionsState.setGlobalGids(mGlobalGids); 9185 9186 final int N = pkg.requestedPermissions.size(); 9187 for (int i=0; i<N; i++) { 9188 final String name = pkg.requestedPermissions.get(i); 9189 final BasePermission bp = mSettings.mPermissions.get(name); 9190 9191 if (DEBUG_INSTALL) { 9192 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9193 } 9194 9195 if (bp == null || bp.packageSetting == null) { 9196 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9197 Slog.w(TAG, "Unknown permission " + name 9198 + " in package " + pkg.packageName); 9199 } 9200 continue; 9201 } 9202 9203 final String perm = bp.name; 9204 boolean allowedSig = false; 9205 int grant = GRANT_DENIED; 9206 9207 // Keep track of app op permissions. 9208 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9209 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9210 if (pkgs == null) { 9211 pkgs = new ArraySet<>(); 9212 mAppOpPermissionPackages.put(bp.name, pkgs); 9213 } 9214 pkgs.add(pkg.packageName); 9215 } 9216 9217 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9218 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9219 >= Build.VERSION_CODES.M; 9220 switch (level) { 9221 case PermissionInfo.PROTECTION_NORMAL: { 9222 // For all apps normal permissions are install time ones. 9223 grant = GRANT_INSTALL; 9224 } break; 9225 9226 case PermissionInfo.PROTECTION_DANGEROUS: { 9227 // If a permission review is required for legacy apps we represent 9228 // their permissions as always granted runtime ones since we need 9229 // to keep the review required permission flag per user while an 9230 // install permission's state is shared across all users. 9231 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9232 // For legacy apps dangerous permissions are install time ones. 9233 grant = GRANT_INSTALL; 9234 } else if (origPermissions.hasInstallPermission(bp.name)) { 9235 // For legacy apps that became modern, install becomes runtime. 9236 grant = GRANT_UPGRADE; 9237 } else if (mPromoteSystemApps 9238 && isSystemApp(ps) 9239 && mExistingSystemPackages.contains(ps.name)) { 9240 // For legacy system apps, install becomes runtime. 9241 // We cannot check hasInstallPermission() for system apps since those 9242 // permissions were granted implicitly and not persisted pre-M. 9243 grant = GRANT_UPGRADE; 9244 } else { 9245 // For modern apps keep runtime permissions unchanged. 9246 grant = GRANT_RUNTIME; 9247 } 9248 } break; 9249 9250 case PermissionInfo.PROTECTION_SIGNATURE: { 9251 // For all apps signature permissions are install time ones. 9252 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9253 if (allowedSig) { 9254 grant = GRANT_INSTALL; 9255 } 9256 } break; 9257 } 9258 9259 if (DEBUG_INSTALL) { 9260 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9261 } 9262 9263 if (grant != GRANT_DENIED) { 9264 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9265 // If this is an existing, non-system package, then 9266 // we can't add any new permissions to it. 9267 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9268 // Except... if this is a permission that was added 9269 // to the platform (note: need to only do this when 9270 // updating the platform). 9271 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9272 grant = GRANT_DENIED; 9273 } 9274 } 9275 } 9276 9277 switch (grant) { 9278 case GRANT_INSTALL: { 9279 // Revoke this as runtime permission to handle the case of 9280 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9281 for (int userId : UserManagerService.getInstance().getUserIds()) { 9282 if (origPermissions.getRuntimePermissionState( 9283 bp.name, userId) != null) { 9284 // Revoke the runtime permission and clear the flags. 9285 origPermissions.revokeRuntimePermission(bp, userId); 9286 origPermissions.updatePermissionFlags(bp, userId, 9287 PackageManager.MASK_PERMISSION_FLAGS, 0); 9288 // If we revoked a permission permission, we have to write. 9289 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9290 changedRuntimePermissionUserIds, userId); 9291 } 9292 } 9293 // Grant an install permission. 9294 if (permissionsState.grantInstallPermission(bp) != 9295 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9296 changedInstallPermission = true; 9297 } 9298 } break; 9299 9300 case GRANT_RUNTIME: { 9301 // Grant previously granted runtime permissions. 9302 for (int userId : UserManagerService.getInstance().getUserIds()) { 9303 PermissionState permissionState = origPermissions 9304 .getRuntimePermissionState(bp.name, userId); 9305 int flags = permissionState != null 9306 ? permissionState.getFlags() : 0; 9307 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9308 if (permissionsState.grantRuntimePermission(bp, userId) == 9309 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9310 // If we cannot put the permission as it was, we have to write. 9311 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9312 changedRuntimePermissionUserIds, userId); 9313 } 9314 // If the app supports runtime permissions no need for a review. 9315 if (Build.PERMISSIONS_REVIEW_REQUIRED 9316 && appSupportsRuntimePermissions 9317 && (flags & PackageManager 9318 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9319 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9320 // Since we changed the flags, we have to write. 9321 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9322 changedRuntimePermissionUserIds, userId); 9323 } 9324 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9325 && !appSupportsRuntimePermissions) { 9326 // For legacy apps that need a permission review, every new 9327 // runtime permission is granted but it is pending a review. 9328 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9329 permissionsState.grantRuntimePermission(bp, userId); 9330 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9331 // We changed the permission and flags, hence have to write. 9332 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9333 changedRuntimePermissionUserIds, userId); 9334 } 9335 } 9336 // Propagate the permission flags. 9337 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9338 } 9339 } break; 9340 9341 case GRANT_UPGRADE: { 9342 // Grant runtime permissions for a previously held install permission. 9343 PermissionState permissionState = origPermissions 9344 .getInstallPermissionState(bp.name); 9345 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9346 9347 if (origPermissions.revokeInstallPermission(bp) 9348 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9349 // We will be transferring the permission flags, so clear them. 9350 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9351 PackageManager.MASK_PERMISSION_FLAGS, 0); 9352 changedInstallPermission = true; 9353 } 9354 9355 // If the permission is not to be promoted to runtime we ignore it and 9356 // also its other flags as they are not applicable to install permissions. 9357 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9358 for (int userId : currentUserIds) { 9359 if (permissionsState.grantRuntimePermission(bp, userId) != 9360 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9361 // Transfer the permission flags. 9362 permissionsState.updatePermissionFlags(bp, userId, 9363 flags, flags); 9364 // If we granted the permission, we have to write. 9365 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9366 changedRuntimePermissionUserIds, userId); 9367 } 9368 } 9369 } 9370 } break; 9371 9372 default: { 9373 if (packageOfInterest == null 9374 || packageOfInterest.equals(pkg.packageName)) { 9375 Slog.w(TAG, "Not granting permission " + perm 9376 + " to package " + pkg.packageName 9377 + " because it was previously installed without"); 9378 } 9379 } break; 9380 } 9381 } else { 9382 if (permissionsState.revokeInstallPermission(bp) != 9383 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9384 // Also drop the permission flags. 9385 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9386 PackageManager.MASK_PERMISSION_FLAGS, 0); 9387 changedInstallPermission = true; 9388 Slog.i(TAG, "Un-granting permission " + perm 9389 + " from package " + pkg.packageName 9390 + " (protectionLevel=" + bp.protectionLevel 9391 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9392 + ")"); 9393 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9394 // Don't print warning for app op permissions, since it is fine for them 9395 // not to be granted, there is a UI for the user to decide. 9396 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9397 Slog.w(TAG, "Not granting permission " + perm 9398 + " to package " + pkg.packageName 9399 + " (protectionLevel=" + bp.protectionLevel 9400 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9401 + ")"); 9402 } 9403 } 9404 } 9405 } 9406 9407 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9408 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9409 // This is the first that we have heard about this package, so the 9410 // permissions we have now selected are fixed until explicitly 9411 // changed. 9412 ps.installPermissionsFixed = true; 9413 } 9414 9415 // Persist the runtime permissions state for users with changes. If permissions 9416 // were revoked because no app in the shared user declares them we have to 9417 // write synchronously to avoid losing runtime permissions state. 9418 for (int userId : changedRuntimePermissionUserIds) { 9419 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9420 } 9421 9422 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9423 } 9424 9425 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9426 boolean allowed = false; 9427 final int NP = PackageParser.NEW_PERMISSIONS.length; 9428 for (int ip=0; ip<NP; ip++) { 9429 final PackageParser.NewPermissionInfo npi 9430 = PackageParser.NEW_PERMISSIONS[ip]; 9431 if (npi.name.equals(perm) 9432 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9433 allowed = true; 9434 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9435 + pkg.packageName); 9436 break; 9437 } 9438 } 9439 return allowed; 9440 } 9441 9442 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9443 BasePermission bp, PermissionsState origPermissions) { 9444 boolean allowed; 9445 allowed = (compareSignatures( 9446 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9447 == PackageManager.SIGNATURE_MATCH) 9448 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9449 == PackageManager.SIGNATURE_MATCH); 9450 if (!allowed && (bp.protectionLevel 9451 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9452 if (isSystemApp(pkg)) { 9453 // For updated system applications, a system permission 9454 // is granted only if it had been defined by the original application. 9455 if (pkg.isUpdatedSystemApp()) { 9456 final PackageSetting sysPs = mSettings 9457 .getDisabledSystemPkgLPr(pkg.packageName); 9458 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9459 // If the original was granted this permission, we take 9460 // that grant decision as read and propagate it to the 9461 // update. 9462 if (sysPs.isPrivileged()) { 9463 allowed = true; 9464 } 9465 } else { 9466 // The system apk may have been updated with an older 9467 // version of the one on the data partition, but which 9468 // granted a new system permission that it didn't have 9469 // before. In this case we do want to allow the app to 9470 // now get the new permission if the ancestral apk is 9471 // privileged to get it. 9472 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9473 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9474 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9475 allowed = true; 9476 break; 9477 } 9478 } 9479 } 9480 // Also if a privileged parent package on the system image or any of 9481 // its children requested a privileged permission, the updated child 9482 // packages can also get the permission. 9483 if (pkg.parentPackage != null) { 9484 final PackageSetting disabledSysParentPs = mSettings 9485 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9486 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9487 && disabledSysParentPs.isPrivileged()) { 9488 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9489 allowed = true; 9490 } else if (disabledSysParentPs.pkg.childPackages != null) { 9491 final int count = disabledSysParentPs.pkg.childPackages.size(); 9492 for (int i = 0; i < count; i++) { 9493 PackageParser.Package disabledSysChildPkg = 9494 disabledSysParentPs.pkg.childPackages.get(i); 9495 if (isPackageRequestingPermission(disabledSysChildPkg, 9496 perm)) { 9497 allowed = true; 9498 break; 9499 } 9500 } 9501 } 9502 } 9503 } 9504 } 9505 } else { 9506 allowed = isPrivilegedApp(pkg); 9507 } 9508 } 9509 } 9510 if (!allowed) { 9511 if (!allowed && (bp.protectionLevel 9512 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9513 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9514 // If this was a previously normal/dangerous permission that got moved 9515 // to a system permission as part of the runtime permission redesign, then 9516 // we still want to blindly grant it to old apps. 9517 allowed = true; 9518 } 9519 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9520 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9521 // If this permission is to be granted to the system installer and 9522 // this app is an installer, then it gets the permission. 9523 allowed = true; 9524 } 9525 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9526 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9527 // If this permission is to be granted to the system verifier and 9528 // this app is a verifier, then it gets the permission. 9529 allowed = true; 9530 } 9531 if (!allowed && (bp.protectionLevel 9532 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9533 && isSystemApp(pkg)) { 9534 // Any pre-installed system app is allowed to get this permission. 9535 allowed = true; 9536 } 9537 if (!allowed && (bp.protectionLevel 9538 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9539 // For development permissions, a development permission 9540 // is granted only if it was already granted. 9541 allowed = origPermissions.hasInstallPermission(perm); 9542 } 9543 } 9544 return allowed; 9545 } 9546 9547 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9548 final int permCount = pkg.requestedPermissions.size(); 9549 for (int j = 0; j < permCount; j++) { 9550 String requestedPermission = pkg.requestedPermissions.get(j); 9551 if (permission.equals(requestedPermission)) { 9552 return true; 9553 } 9554 } 9555 return false; 9556 } 9557 9558 final class ActivityIntentResolver 9559 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9560 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9561 boolean defaultOnly, int userId) { 9562 if (!sUserManager.exists(userId)) return null; 9563 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9564 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9565 } 9566 9567 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9568 int userId) { 9569 if (!sUserManager.exists(userId)) return null; 9570 mFlags = flags; 9571 return super.queryIntent(intent, resolvedType, 9572 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9573 } 9574 9575 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9576 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9577 if (!sUserManager.exists(userId)) return null; 9578 if (packageActivities == null) { 9579 return null; 9580 } 9581 mFlags = flags; 9582 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9583 final int N = packageActivities.size(); 9584 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9585 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9586 9587 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9588 for (int i = 0; i < N; ++i) { 9589 intentFilters = packageActivities.get(i).intents; 9590 if (intentFilters != null && intentFilters.size() > 0) { 9591 PackageParser.ActivityIntentInfo[] array = 9592 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9593 intentFilters.toArray(array); 9594 listCut.add(array); 9595 } 9596 } 9597 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9598 } 9599 9600 public final void addActivity(PackageParser.Activity a, String type) { 9601 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9602 mActivities.put(a.getComponentName(), a); 9603 if (DEBUG_SHOW_INFO) 9604 Log.v( 9605 TAG, " " + type + " " + 9606 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9607 if (DEBUG_SHOW_INFO) 9608 Log.v(TAG, " Class=" + a.info.name); 9609 final int NI = a.intents.size(); 9610 for (int j=0; j<NI; j++) { 9611 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9612 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9613 intent.setPriority(0); 9614 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9615 + a.className + " with priority > 0, forcing to 0"); 9616 } 9617 if (DEBUG_SHOW_INFO) { 9618 Log.v(TAG, " IntentFilter:"); 9619 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9620 } 9621 if (!intent.debugCheck()) { 9622 Log.w(TAG, "==> For Activity " + a.info.name); 9623 } 9624 addFilter(intent); 9625 } 9626 } 9627 9628 public final void removeActivity(PackageParser.Activity a, String type) { 9629 mActivities.remove(a.getComponentName()); 9630 if (DEBUG_SHOW_INFO) { 9631 Log.v(TAG, " " + type + " " 9632 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9633 : a.info.name) + ":"); 9634 Log.v(TAG, " Class=" + a.info.name); 9635 } 9636 final int NI = a.intents.size(); 9637 for (int j=0; j<NI; j++) { 9638 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9639 if (DEBUG_SHOW_INFO) { 9640 Log.v(TAG, " IntentFilter:"); 9641 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9642 } 9643 removeFilter(intent); 9644 } 9645 } 9646 9647 @Override 9648 protected boolean allowFilterResult( 9649 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9650 ActivityInfo filterAi = filter.activity.info; 9651 for (int i=dest.size()-1; i>=0; i--) { 9652 ActivityInfo destAi = dest.get(i).activityInfo; 9653 if (destAi.name == filterAi.name 9654 && destAi.packageName == filterAi.packageName) { 9655 return false; 9656 } 9657 } 9658 return true; 9659 } 9660 9661 @Override 9662 protected ActivityIntentInfo[] newArray(int size) { 9663 return new ActivityIntentInfo[size]; 9664 } 9665 9666 @Override 9667 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9668 if (!sUserManager.exists(userId)) return true; 9669 PackageParser.Package p = filter.activity.owner; 9670 if (p != null) { 9671 PackageSetting ps = (PackageSetting)p.mExtras; 9672 if (ps != null) { 9673 // System apps are never considered stopped for purposes of 9674 // filtering, because there may be no way for the user to 9675 // actually re-launch them. 9676 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9677 && ps.getStopped(userId); 9678 } 9679 } 9680 return false; 9681 } 9682 9683 @Override 9684 protected boolean isPackageForFilter(String packageName, 9685 PackageParser.ActivityIntentInfo info) { 9686 return packageName.equals(info.activity.owner.packageName); 9687 } 9688 9689 @Override 9690 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9691 int match, int userId) { 9692 if (!sUserManager.exists(userId)) return null; 9693 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9694 return null; 9695 } 9696 final PackageParser.Activity activity = info.activity; 9697 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9698 if (ps == null) { 9699 return null; 9700 } 9701 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9702 ps.readUserState(userId), userId); 9703 if (ai == null) { 9704 return null; 9705 } 9706 final ResolveInfo res = new ResolveInfo(); 9707 res.activityInfo = ai; 9708 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9709 res.filter = info; 9710 } 9711 if (info != null) { 9712 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9713 } 9714 res.priority = info.getPriority(); 9715 res.preferredOrder = activity.owner.mPreferredOrder; 9716 //System.out.println("Result: " + res.activityInfo.className + 9717 // " = " + res.priority); 9718 res.match = match; 9719 res.isDefault = info.hasDefault; 9720 res.labelRes = info.labelRes; 9721 res.nonLocalizedLabel = info.nonLocalizedLabel; 9722 if (userNeedsBadging(userId)) { 9723 res.noResourceId = true; 9724 } else { 9725 res.icon = info.icon; 9726 } 9727 res.iconResourceId = info.icon; 9728 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9729 return res; 9730 } 9731 9732 @Override 9733 protected void sortResults(List<ResolveInfo> results) { 9734 Collections.sort(results, mResolvePrioritySorter); 9735 } 9736 9737 @Override 9738 protected void dumpFilter(PrintWriter out, String prefix, 9739 PackageParser.ActivityIntentInfo filter) { 9740 out.print(prefix); out.print( 9741 Integer.toHexString(System.identityHashCode(filter.activity))); 9742 out.print(' '); 9743 filter.activity.printComponentShortName(out); 9744 out.print(" filter "); 9745 out.println(Integer.toHexString(System.identityHashCode(filter))); 9746 } 9747 9748 @Override 9749 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9750 return filter.activity; 9751 } 9752 9753 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9754 PackageParser.Activity activity = (PackageParser.Activity)label; 9755 out.print(prefix); out.print( 9756 Integer.toHexString(System.identityHashCode(activity))); 9757 out.print(' '); 9758 activity.printComponentShortName(out); 9759 if (count > 1) { 9760 out.print(" ("); out.print(count); out.print(" filters)"); 9761 } 9762 out.println(); 9763 } 9764 9765// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9766// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9767// final List<ResolveInfo> retList = Lists.newArrayList(); 9768// while (i.hasNext()) { 9769// final ResolveInfo resolveInfo = i.next(); 9770// if (isEnabledLP(resolveInfo.activityInfo)) { 9771// retList.add(resolveInfo); 9772// } 9773// } 9774// return retList; 9775// } 9776 9777 // Keys are String (activity class name), values are Activity. 9778 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9779 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9780 private int mFlags; 9781 } 9782 9783 private final class ServiceIntentResolver 9784 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9785 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9786 boolean defaultOnly, int userId) { 9787 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9788 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9789 } 9790 9791 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9792 int userId) { 9793 if (!sUserManager.exists(userId)) return null; 9794 mFlags = flags; 9795 return super.queryIntent(intent, resolvedType, 9796 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9797 } 9798 9799 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9800 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9801 if (!sUserManager.exists(userId)) return null; 9802 if (packageServices == null) { 9803 return null; 9804 } 9805 mFlags = flags; 9806 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9807 final int N = packageServices.size(); 9808 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9809 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9810 9811 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9812 for (int i = 0; i < N; ++i) { 9813 intentFilters = packageServices.get(i).intents; 9814 if (intentFilters != null && intentFilters.size() > 0) { 9815 PackageParser.ServiceIntentInfo[] array = 9816 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9817 intentFilters.toArray(array); 9818 listCut.add(array); 9819 } 9820 } 9821 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9822 } 9823 9824 public final void addService(PackageParser.Service s) { 9825 mServices.put(s.getComponentName(), s); 9826 if (DEBUG_SHOW_INFO) { 9827 Log.v(TAG, " " 9828 + (s.info.nonLocalizedLabel != null 9829 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9830 Log.v(TAG, " Class=" + s.info.name); 9831 } 9832 final int NI = s.intents.size(); 9833 int j; 9834 for (j=0; j<NI; j++) { 9835 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9836 if (DEBUG_SHOW_INFO) { 9837 Log.v(TAG, " IntentFilter:"); 9838 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9839 } 9840 if (!intent.debugCheck()) { 9841 Log.w(TAG, "==> For Service " + s.info.name); 9842 } 9843 addFilter(intent); 9844 } 9845 } 9846 9847 public final void removeService(PackageParser.Service s) { 9848 mServices.remove(s.getComponentName()); 9849 if (DEBUG_SHOW_INFO) { 9850 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9851 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9852 Log.v(TAG, " Class=" + s.info.name); 9853 } 9854 final int NI = s.intents.size(); 9855 int j; 9856 for (j=0; j<NI; j++) { 9857 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9858 if (DEBUG_SHOW_INFO) { 9859 Log.v(TAG, " IntentFilter:"); 9860 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9861 } 9862 removeFilter(intent); 9863 } 9864 } 9865 9866 @Override 9867 protected boolean allowFilterResult( 9868 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9869 ServiceInfo filterSi = filter.service.info; 9870 for (int i=dest.size()-1; i>=0; i--) { 9871 ServiceInfo destAi = dest.get(i).serviceInfo; 9872 if (destAi.name == filterSi.name 9873 && destAi.packageName == filterSi.packageName) { 9874 return false; 9875 } 9876 } 9877 return true; 9878 } 9879 9880 @Override 9881 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9882 return new PackageParser.ServiceIntentInfo[size]; 9883 } 9884 9885 @Override 9886 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9887 if (!sUserManager.exists(userId)) return true; 9888 PackageParser.Package p = filter.service.owner; 9889 if (p != null) { 9890 PackageSetting ps = (PackageSetting)p.mExtras; 9891 if (ps != null) { 9892 // System apps are never considered stopped for purposes of 9893 // filtering, because there may be no way for the user to 9894 // actually re-launch them. 9895 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9896 && ps.getStopped(userId); 9897 } 9898 } 9899 return false; 9900 } 9901 9902 @Override 9903 protected boolean isPackageForFilter(String packageName, 9904 PackageParser.ServiceIntentInfo info) { 9905 return packageName.equals(info.service.owner.packageName); 9906 } 9907 9908 @Override 9909 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9910 int match, int userId) { 9911 if (!sUserManager.exists(userId)) return null; 9912 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9913 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9914 return null; 9915 } 9916 final PackageParser.Service service = info.service; 9917 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9918 if (ps == null) { 9919 return null; 9920 } 9921 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9922 ps.readUserState(userId), userId); 9923 if (si == null) { 9924 return null; 9925 } 9926 final ResolveInfo res = new ResolveInfo(); 9927 res.serviceInfo = si; 9928 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9929 res.filter = filter; 9930 } 9931 res.priority = info.getPriority(); 9932 res.preferredOrder = service.owner.mPreferredOrder; 9933 res.match = match; 9934 res.isDefault = info.hasDefault; 9935 res.labelRes = info.labelRes; 9936 res.nonLocalizedLabel = info.nonLocalizedLabel; 9937 res.icon = info.icon; 9938 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9939 return res; 9940 } 9941 9942 @Override 9943 protected void sortResults(List<ResolveInfo> results) { 9944 Collections.sort(results, mResolvePrioritySorter); 9945 } 9946 9947 @Override 9948 protected void dumpFilter(PrintWriter out, String prefix, 9949 PackageParser.ServiceIntentInfo filter) { 9950 out.print(prefix); out.print( 9951 Integer.toHexString(System.identityHashCode(filter.service))); 9952 out.print(' '); 9953 filter.service.printComponentShortName(out); 9954 out.print(" filter "); 9955 out.println(Integer.toHexString(System.identityHashCode(filter))); 9956 } 9957 9958 @Override 9959 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9960 return filter.service; 9961 } 9962 9963 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9964 PackageParser.Service service = (PackageParser.Service)label; 9965 out.print(prefix); out.print( 9966 Integer.toHexString(System.identityHashCode(service))); 9967 out.print(' '); 9968 service.printComponentShortName(out); 9969 if (count > 1) { 9970 out.print(" ("); out.print(count); out.print(" filters)"); 9971 } 9972 out.println(); 9973 } 9974 9975// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9976// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9977// final List<ResolveInfo> retList = Lists.newArrayList(); 9978// while (i.hasNext()) { 9979// final ResolveInfo resolveInfo = (ResolveInfo) i; 9980// if (isEnabledLP(resolveInfo.serviceInfo)) { 9981// retList.add(resolveInfo); 9982// } 9983// } 9984// return retList; 9985// } 9986 9987 // Keys are String (activity class name), values are Activity. 9988 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9989 = new ArrayMap<ComponentName, PackageParser.Service>(); 9990 private int mFlags; 9991 }; 9992 9993 private final class ProviderIntentResolver 9994 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9995 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9996 boolean defaultOnly, int userId) { 9997 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9998 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9999 } 10000 10001 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10002 int userId) { 10003 if (!sUserManager.exists(userId)) 10004 return null; 10005 mFlags = flags; 10006 return super.queryIntent(intent, resolvedType, 10007 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10008 } 10009 10010 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10011 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10012 if (!sUserManager.exists(userId)) 10013 return null; 10014 if (packageProviders == null) { 10015 return null; 10016 } 10017 mFlags = flags; 10018 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10019 final int N = packageProviders.size(); 10020 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10021 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10022 10023 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10024 for (int i = 0; i < N; ++i) { 10025 intentFilters = packageProviders.get(i).intents; 10026 if (intentFilters != null && intentFilters.size() > 0) { 10027 PackageParser.ProviderIntentInfo[] array = 10028 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10029 intentFilters.toArray(array); 10030 listCut.add(array); 10031 } 10032 } 10033 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10034 } 10035 10036 public final void addProvider(PackageParser.Provider p) { 10037 if (mProviders.containsKey(p.getComponentName())) { 10038 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10039 return; 10040 } 10041 10042 mProviders.put(p.getComponentName(), p); 10043 if (DEBUG_SHOW_INFO) { 10044 Log.v(TAG, " " 10045 + (p.info.nonLocalizedLabel != null 10046 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10047 Log.v(TAG, " Class=" + p.info.name); 10048 } 10049 final int NI = p.intents.size(); 10050 int j; 10051 for (j = 0; j < NI; j++) { 10052 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10053 if (DEBUG_SHOW_INFO) { 10054 Log.v(TAG, " IntentFilter:"); 10055 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10056 } 10057 if (!intent.debugCheck()) { 10058 Log.w(TAG, "==> For Provider " + p.info.name); 10059 } 10060 addFilter(intent); 10061 } 10062 } 10063 10064 public final void removeProvider(PackageParser.Provider p) { 10065 mProviders.remove(p.getComponentName()); 10066 if (DEBUG_SHOW_INFO) { 10067 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10068 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10069 Log.v(TAG, " Class=" + p.info.name); 10070 } 10071 final int NI = p.intents.size(); 10072 int j; 10073 for (j = 0; j < NI; j++) { 10074 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10075 if (DEBUG_SHOW_INFO) { 10076 Log.v(TAG, " IntentFilter:"); 10077 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10078 } 10079 removeFilter(intent); 10080 } 10081 } 10082 10083 @Override 10084 protected boolean allowFilterResult( 10085 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10086 ProviderInfo filterPi = filter.provider.info; 10087 for (int i = dest.size() - 1; i >= 0; i--) { 10088 ProviderInfo destPi = dest.get(i).providerInfo; 10089 if (destPi.name == filterPi.name 10090 && destPi.packageName == filterPi.packageName) { 10091 return false; 10092 } 10093 } 10094 return true; 10095 } 10096 10097 @Override 10098 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10099 return new PackageParser.ProviderIntentInfo[size]; 10100 } 10101 10102 @Override 10103 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10104 if (!sUserManager.exists(userId)) 10105 return true; 10106 PackageParser.Package p = filter.provider.owner; 10107 if (p != null) { 10108 PackageSetting ps = (PackageSetting) p.mExtras; 10109 if (ps != null) { 10110 // System apps are never considered stopped for purposes of 10111 // filtering, because there may be no way for the user to 10112 // actually re-launch them. 10113 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10114 && ps.getStopped(userId); 10115 } 10116 } 10117 return false; 10118 } 10119 10120 @Override 10121 protected boolean isPackageForFilter(String packageName, 10122 PackageParser.ProviderIntentInfo info) { 10123 return packageName.equals(info.provider.owner.packageName); 10124 } 10125 10126 @Override 10127 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10128 int match, int userId) { 10129 if (!sUserManager.exists(userId)) 10130 return null; 10131 final PackageParser.ProviderIntentInfo info = filter; 10132 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10133 return null; 10134 } 10135 final PackageParser.Provider provider = info.provider; 10136 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10137 if (ps == null) { 10138 return null; 10139 } 10140 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10141 ps.readUserState(userId), userId); 10142 if (pi == null) { 10143 return null; 10144 } 10145 final ResolveInfo res = new ResolveInfo(); 10146 res.providerInfo = pi; 10147 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10148 res.filter = filter; 10149 } 10150 res.priority = info.getPriority(); 10151 res.preferredOrder = provider.owner.mPreferredOrder; 10152 res.match = match; 10153 res.isDefault = info.hasDefault; 10154 res.labelRes = info.labelRes; 10155 res.nonLocalizedLabel = info.nonLocalizedLabel; 10156 res.icon = info.icon; 10157 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10158 return res; 10159 } 10160 10161 @Override 10162 protected void sortResults(List<ResolveInfo> results) { 10163 Collections.sort(results, mResolvePrioritySorter); 10164 } 10165 10166 @Override 10167 protected void dumpFilter(PrintWriter out, String prefix, 10168 PackageParser.ProviderIntentInfo filter) { 10169 out.print(prefix); 10170 out.print( 10171 Integer.toHexString(System.identityHashCode(filter.provider))); 10172 out.print(' '); 10173 filter.provider.printComponentShortName(out); 10174 out.print(" filter "); 10175 out.println(Integer.toHexString(System.identityHashCode(filter))); 10176 } 10177 10178 @Override 10179 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10180 return filter.provider; 10181 } 10182 10183 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10184 PackageParser.Provider provider = (PackageParser.Provider)label; 10185 out.print(prefix); out.print( 10186 Integer.toHexString(System.identityHashCode(provider))); 10187 out.print(' '); 10188 provider.printComponentShortName(out); 10189 if (count > 1) { 10190 out.print(" ("); out.print(count); out.print(" filters)"); 10191 } 10192 out.println(); 10193 } 10194 10195 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10196 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10197 private int mFlags; 10198 } 10199 10200 private static final class EphemeralIntentResolver 10201 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10202 @Override 10203 protected EphemeralResolveIntentInfo[] newArray(int size) { 10204 return new EphemeralResolveIntentInfo[size]; 10205 } 10206 10207 @Override 10208 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10209 return true; 10210 } 10211 10212 @Override 10213 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10214 int userId) { 10215 if (!sUserManager.exists(userId)) { 10216 return null; 10217 } 10218 return info.getEphemeralResolveInfo(); 10219 } 10220 } 10221 10222 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10223 new Comparator<ResolveInfo>() { 10224 public int compare(ResolveInfo r1, ResolveInfo r2) { 10225 int v1 = r1.priority; 10226 int v2 = r2.priority; 10227 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10228 if (v1 != v2) { 10229 return (v1 > v2) ? -1 : 1; 10230 } 10231 v1 = r1.preferredOrder; 10232 v2 = r2.preferredOrder; 10233 if (v1 != v2) { 10234 return (v1 > v2) ? -1 : 1; 10235 } 10236 if (r1.isDefault != r2.isDefault) { 10237 return r1.isDefault ? -1 : 1; 10238 } 10239 v1 = r1.match; 10240 v2 = r2.match; 10241 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10242 if (v1 != v2) { 10243 return (v1 > v2) ? -1 : 1; 10244 } 10245 if (r1.system != r2.system) { 10246 return r1.system ? -1 : 1; 10247 } 10248 if (r1.activityInfo != null) { 10249 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10250 } 10251 if (r1.serviceInfo != null) { 10252 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10253 } 10254 if (r1.providerInfo != null) { 10255 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10256 } 10257 return 0; 10258 } 10259 }; 10260 10261 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10262 new Comparator<ProviderInfo>() { 10263 public int compare(ProviderInfo p1, ProviderInfo p2) { 10264 final int v1 = p1.initOrder; 10265 final int v2 = p2.initOrder; 10266 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10267 } 10268 }; 10269 10270 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10271 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10272 final int[] userIds) { 10273 mHandler.post(new Runnable() { 10274 @Override 10275 public void run() { 10276 try { 10277 final IActivityManager am = ActivityManagerNative.getDefault(); 10278 if (am == null) return; 10279 final int[] resolvedUserIds; 10280 if (userIds == null) { 10281 resolvedUserIds = am.getRunningUserIds(); 10282 } else { 10283 resolvedUserIds = userIds; 10284 } 10285 for (int id : resolvedUserIds) { 10286 final Intent intent = new Intent(action, 10287 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10288 if (extras != null) { 10289 intent.putExtras(extras); 10290 } 10291 if (targetPkg != null) { 10292 intent.setPackage(targetPkg); 10293 } 10294 // Modify the UID when posting to other users 10295 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10296 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10297 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10298 intent.putExtra(Intent.EXTRA_UID, uid); 10299 } 10300 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10301 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10302 if (DEBUG_BROADCASTS) { 10303 RuntimeException here = new RuntimeException("here"); 10304 here.fillInStackTrace(); 10305 Slog.d(TAG, "Sending to user " + id + ": " 10306 + intent.toShortString(false, true, false, false) 10307 + " " + intent.getExtras(), here); 10308 } 10309 am.broadcastIntent(null, intent, null, finishedReceiver, 10310 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10311 null, finishedReceiver != null, false, id); 10312 } 10313 } catch (RemoteException ex) { 10314 } 10315 } 10316 }); 10317 } 10318 10319 /** 10320 * Check if the external storage media is available. This is true if there 10321 * is a mounted external storage medium or if the external storage is 10322 * emulated. 10323 */ 10324 private boolean isExternalMediaAvailable() { 10325 return mMediaMounted || Environment.isExternalStorageEmulated(); 10326 } 10327 10328 @Override 10329 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10330 // writer 10331 synchronized (mPackages) { 10332 if (!isExternalMediaAvailable()) { 10333 // If the external storage is no longer mounted at this point, 10334 // the caller may not have been able to delete all of this 10335 // packages files and can not delete any more. Bail. 10336 return null; 10337 } 10338 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10339 if (lastPackage != null) { 10340 pkgs.remove(lastPackage); 10341 } 10342 if (pkgs.size() > 0) { 10343 return pkgs.get(0); 10344 } 10345 } 10346 return null; 10347 } 10348 10349 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10350 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10351 userId, andCode ? 1 : 0, packageName); 10352 if (mSystemReady) { 10353 msg.sendToTarget(); 10354 } else { 10355 if (mPostSystemReadyMessages == null) { 10356 mPostSystemReadyMessages = new ArrayList<>(); 10357 } 10358 mPostSystemReadyMessages.add(msg); 10359 } 10360 } 10361 10362 void startCleaningPackages() { 10363 // reader 10364 synchronized (mPackages) { 10365 if (!isExternalMediaAvailable()) { 10366 return; 10367 } 10368 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10369 return; 10370 } 10371 } 10372 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10373 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10374 IActivityManager am = ActivityManagerNative.getDefault(); 10375 if (am != null) { 10376 try { 10377 am.startService(null, intent, null, mContext.getOpPackageName(), 10378 UserHandle.USER_SYSTEM); 10379 } catch (RemoteException e) { 10380 } 10381 } 10382 } 10383 10384 @Override 10385 public void installPackage(String originPath, IPackageInstallObserver2 observer, 10386 int installFlags, String installerPackageName, VerificationParams verificationParams, 10387 String packageAbiOverride) { 10388 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 10389 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 10390 } 10391 10392 @Override 10393 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10394 int installFlags, String installerPackageName, VerificationParams verificationParams, 10395 String packageAbiOverride, int userId) { 10396 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10397 10398 final int callingUid = Binder.getCallingUid(); 10399 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 10400 10401 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10402 try { 10403 if (observer != null) { 10404 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10405 } 10406 } catch (RemoteException re) { 10407 } 10408 return; 10409 } 10410 10411 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10412 installFlags |= PackageManager.INSTALL_FROM_ADB; 10413 10414 } else { 10415 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10416 // about installerPackageName. 10417 10418 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10419 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10420 } 10421 10422 UserHandle user; 10423 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10424 user = UserHandle.ALL; 10425 } else { 10426 user = new UserHandle(userId); 10427 } 10428 10429 // Only system components can circumvent runtime permissions when installing. 10430 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10431 && mContext.checkCallingOrSelfPermission(Manifest.permission 10432 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10433 throw new SecurityException("You need the " 10434 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10435 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10436 } 10437 10438 verificationParams.setInstallerUid(callingUid); 10439 10440 final File originFile = new File(originPath); 10441 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10442 10443 final Message msg = mHandler.obtainMessage(INIT_COPY); 10444 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10445 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10446 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10447 msg.obj = params; 10448 10449 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10450 System.identityHashCode(msg.obj)); 10451 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10452 System.identityHashCode(msg.obj)); 10453 10454 mHandler.sendMessage(msg); 10455 } 10456 10457 void installStage(String packageName, File stagedDir, String stagedCid, 10458 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10459 String installerPackageName, int installerUid, UserHandle user) { 10460 if (DEBUG_EPHEMERAL) { 10461 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10462 Slog.d(TAG, "Ephemeral install of " + packageName); 10463 } 10464 } 10465 final VerificationParams verifParams = new VerificationParams( 10466 null, sessionParams.originatingUri, sessionParams.referrerUri, 10467 sessionParams.originatingUid); 10468 verifParams.setInstallerUid(installerUid); 10469 10470 final OriginInfo origin; 10471 if (stagedDir != null) { 10472 origin = OriginInfo.fromStagedFile(stagedDir); 10473 } else { 10474 origin = OriginInfo.fromStagedContainer(stagedCid); 10475 } 10476 10477 final Message msg = mHandler.obtainMessage(INIT_COPY); 10478 final InstallParams params = new InstallParams(origin, null, observer, 10479 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10480 verifParams, user, sessionParams.abiOverride, 10481 sessionParams.grantedRuntimePermissions); 10482 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10483 msg.obj = params; 10484 10485 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10486 System.identityHashCode(msg.obj)); 10487 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10488 System.identityHashCode(msg.obj)); 10489 10490 mHandler.sendMessage(msg); 10491 } 10492 10493 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10494 int userId) { 10495 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10496 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10497 } 10498 10499 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10500 int appId, int userId) { 10501 Bundle extras = new Bundle(1); 10502 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10503 10504 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10505 packageName, extras, 0, null, null, new int[] {userId}); 10506 try { 10507 IActivityManager am = ActivityManagerNative.getDefault(); 10508 if (isSystem && am.isUserRunning(userId, 0)) { 10509 // The just-installed/enabled app is bundled on the system, so presumed 10510 // to be able to run automatically without needing an explicit launch. 10511 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10512 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10513 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10514 .setPackage(packageName); 10515 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10516 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10517 } 10518 } catch (RemoteException e) { 10519 // shouldn't happen 10520 Slog.w(TAG, "Unable to bootstrap installed package", e); 10521 } 10522 } 10523 10524 @Override 10525 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10526 int userId) { 10527 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10528 PackageSetting pkgSetting; 10529 final int uid = Binder.getCallingUid(); 10530 enforceCrossUserPermission(uid, userId, true, true, 10531 "setApplicationHiddenSetting for user " + userId); 10532 10533 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10534 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10535 return false; 10536 } 10537 10538 long callingId = Binder.clearCallingIdentity(); 10539 try { 10540 boolean sendAdded = false; 10541 boolean sendRemoved = false; 10542 // writer 10543 synchronized (mPackages) { 10544 pkgSetting = mSettings.mPackages.get(packageName); 10545 if (pkgSetting == null) { 10546 return false; 10547 } 10548 if (pkgSetting.getHidden(userId) != hidden) { 10549 pkgSetting.setHidden(hidden, userId); 10550 mSettings.writePackageRestrictionsLPr(userId); 10551 if (hidden) { 10552 sendRemoved = true; 10553 } else { 10554 sendAdded = true; 10555 } 10556 } 10557 } 10558 if (sendAdded) { 10559 sendPackageAddedForUser(packageName, pkgSetting, userId); 10560 return true; 10561 } 10562 if (sendRemoved) { 10563 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10564 "hiding pkg"); 10565 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10566 return true; 10567 } 10568 } finally { 10569 Binder.restoreCallingIdentity(callingId); 10570 } 10571 return false; 10572 } 10573 10574 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10575 int userId) { 10576 final PackageRemovedInfo info = new PackageRemovedInfo(); 10577 info.removedPackage = packageName; 10578 info.removedUsers = new int[] {userId}; 10579 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10580 info.sendPackageRemovedBroadcasts(); 10581 } 10582 10583 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10584 if (pkgList.length > 0) { 10585 Bundle extras = new Bundle(1); 10586 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10587 10588 sendPackageBroadcast( 10589 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10590 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10591 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10592 new int[] {userId}); 10593 } 10594 } 10595 10596 /** 10597 * Returns true if application is not found or there was an error. Otherwise it returns 10598 * the hidden state of the package for the given user. 10599 */ 10600 @Override 10601 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10602 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10603 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10604 false, "getApplicationHidden for user " + userId); 10605 PackageSetting pkgSetting; 10606 long callingId = Binder.clearCallingIdentity(); 10607 try { 10608 // writer 10609 synchronized (mPackages) { 10610 pkgSetting = mSettings.mPackages.get(packageName); 10611 if (pkgSetting == null) { 10612 return true; 10613 } 10614 return pkgSetting.getHidden(userId); 10615 } 10616 } finally { 10617 Binder.restoreCallingIdentity(callingId); 10618 } 10619 } 10620 10621 /** 10622 * @hide 10623 */ 10624 @Override 10625 public int installExistingPackageAsUser(String packageName, int userId) { 10626 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10627 null); 10628 PackageSetting pkgSetting; 10629 final int uid = Binder.getCallingUid(); 10630 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10631 + userId); 10632 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10633 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10634 } 10635 10636 long callingId = Binder.clearCallingIdentity(); 10637 try { 10638 boolean installed = false; 10639 10640 // writer 10641 synchronized (mPackages) { 10642 pkgSetting = mSettings.mPackages.get(packageName); 10643 if (pkgSetting == null) { 10644 return PackageManager.INSTALL_FAILED_INVALID_URI; 10645 } 10646 if (!pkgSetting.getInstalled(userId)) { 10647 pkgSetting.setInstalled(true, userId); 10648 pkgSetting.setHidden(false, userId); 10649 mSettings.writePackageRestrictionsLPr(userId); 10650 if (pkgSetting.pkg != null) { 10651 prepareAppDataAfterInstall(pkgSetting.pkg); 10652 } 10653 installed = true; 10654 } 10655 } 10656 10657 if (installed) { 10658 sendPackageAddedForUser(packageName, pkgSetting, userId); 10659 } 10660 } finally { 10661 Binder.restoreCallingIdentity(callingId); 10662 } 10663 10664 return PackageManager.INSTALL_SUCCEEDED; 10665 } 10666 10667 boolean isUserRestricted(int userId, String restrictionKey) { 10668 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10669 if (restrictions.getBoolean(restrictionKey, false)) { 10670 Log.w(TAG, "User is restricted: " + restrictionKey); 10671 return true; 10672 } 10673 return false; 10674 } 10675 10676 @Override 10677 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10678 int userId) { 10679 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10680 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10681 "setPackagesSuspended for user " + userId); 10682 10683 if (ArrayUtils.isEmpty(packageNames)) { 10684 return packageNames; 10685 } 10686 10687 // List of package names for whom the suspended state has changed. 10688 List<String> changedPackages = new ArrayList<>(packageNames.length); 10689 // List of package names for whom the suspended state is not set as requested in this 10690 // method. 10691 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10692 for (int i = 0; i < packageNames.length; i++) { 10693 String packageName = packageNames[i]; 10694 long callingId = Binder.clearCallingIdentity(); 10695 try { 10696 boolean changed = false; 10697 final int appId; 10698 synchronized (mPackages) { 10699 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10700 if (pkgSetting == null) { 10701 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10702 + "\". Skipping suspending/un-suspending."); 10703 unactionedPackages.add(packageName); 10704 continue; 10705 } 10706 appId = pkgSetting.appId; 10707 if (pkgSetting.getSuspended(userId) != suspended) { 10708 if (!canSuspendPackageForUser(packageName, userId)) { 10709 unactionedPackages.add(packageName); 10710 continue; 10711 } 10712 pkgSetting.setSuspended(suspended, userId); 10713 mSettings.writePackageRestrictionsLPr(userId); 10714 changed = true; 10715 changedPackages.add(packageName); 10716 } 10717 } 10718 10719 if (changed && suspended) { 10720 killApplication(packageName, UserHandle.getUid(userId, appId), 10721 "suspending package"); 10722 } 10723 } finally { 10724 Binder.restoreCallingIdentity(callingId); 10725 } 10726 } 10727 10728 if (!changedPackages.isEmpty()) { 10729 sendPackagesSuspendedForUser(changedPackages.toArray( 10730 new String[changedPackages.size()]), userId, suspended); 10731 } 10732 10733 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10734 } 10735 10736 @Override 10737 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10738 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10739 false, "isPackageSuspendedForUser for user " + userId); 10740 synchronized (mPackages) { 10741 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10742 return pkgSetting != null && pkgSetting.getSuspended(userId); 10743 } 10744 } 10745 10746 // TODO: investigate and add more restrictions for suspending crucial packages. 10747 private boolean canSuspendPackageForUser(String packageName, int userId) { 10748 if (isPackageDeviceAdmin(packageName, userId)) { 10749 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10750 + "\": has active device admin"); 10751 return false; 10752 } 10753 10754 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10755 if (packageName.equals(activeLauncherPackageName)) { 10756 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10757 + "\" because it is set as the active launcher"); 10758 return false; 10759 } 10760 10761 return true; 10762 } 10763 10764 private String getActiveLauncherPackageName(int userId) { 10765 Intent intent = new Intent(Intent.ACTION_MAIN); 10766 intent.addCategory(Intent.CATEGORY_HOME); 10767 ResolveInfo resolveInfo = resolveIntent( 10768 intent, 10769 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10770 PackageManager.MATCH_DEFAULT_ONLY, 10771 userId); 10772 10773 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10774 } 10775 10776 @Override 10777 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10778 mContext.enforceCallingOrSelfPermission( 10779 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10780 "Only package verification agents can verify applications"); 10781 10782 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10783 final PackageVerificationResponse response = new PackageVerificationResponse( 10784 verificationCode, Binder.getCallingUid()); 10785 msg.arg1 = id; 10786 msg.obj = response; 10787 mHandler.sendMessage(msg); 10788 } 10789 10790 @Override 10791 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10792 long millisecondsToDelay) { 10793 mContext.enforceCallingOrSelfPermission( 10794 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10795 "Only package verification agents can extend verification timeouts"); 10796 10797 final PackageVerificationState state = mPendingVerification.get(id); 10798 final PackageVerificationResponse response = new PackageVerificationResponse( 10799 verificationCodeAtTimeout, Binder.getCallingUid()); 10800 10801 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10802 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10803 } 10804 if (millisecondsToDelay < 0) { 10805 millisecondsToDelay = 0; 10806 } 10807 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10808 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10809 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10810 } 10811 10812 if ((state != null) && !state.timeoutExtended()) { 10813 state.extendTimeout(); 10814 10815 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10816 msg.arg1 = id; 10817 msg.obj = response; 10818 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10819 } 10820 } 10821 10822 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10823 int verificationCode, UserHandle user) { 10824 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10825 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10826 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10827 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10828 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10829 10830 mContext.sendBroadcastAsUser(intent, user, 10831 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10832 } 10833 10834 private ComponentName matchComponentForVerifier(String packageName, 10835 List<ResolveInfo> receivers) { 10836 ActivityInfo targetReceiver = null; 10837 10838 final int NR = receivers.size(); 10839 for (int i = 0; i < NR; i++) { 10840 final ResolveInfo info = receivers.get(i); 10841 if (info.activityInfo == null) { 10842 continue; 10843 } 10844 10845 if (packageName.equals(info.activityInfo.packageName)) { 10846 targetReceiver = info.activityInfo; 10847 break; 10848 } 10849 } 10850 10851 if (targetReceiver == null) { 10852 return null; 10853 } 10854 10855 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10856 } 10857 10858 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10859 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10860 if (pkgInfo.verifiers.length == 0) { 10861 return null; 10862 } 10863 10864 final int N = pkgInfo.verifiers.length; 10865 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10866 for (int i = 0; i < N; i++) { 10867 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10868 10869 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10870 receivers); 10871 if (comp == null) { 10872 continue; 10873 } 10874 10875 final int verifierUid = getUidForVerifier(verifierInfo); 10876 if (verifierUid == -1) { 10877 continue; 10878 } 10879 10880 if (DEBUG_VERIFY) { 10881 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10882 + " with the correct signature"); 10883 } 10884 sufficientVerifiers.add(comp); 10885 verificationState.addSufficientVerifier(verifierUid); 10886 } 10887 10888 return sufficientVerifiers; 10889 } 10890 10891 private int getUidForVerifier(VerifierInfo verifierInfo) { 10892 synchronized (mPackages) { 10893 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10894 if (pkg == null) { 10895 return -1; 10896 } else if (pkg.mSignatures.length != 1) { 10897 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10898 + " has more than one signature; ignoring"); 10899 return -1; 10900 } 10901 10902 /* 10903 * If the public key of the package's signature does not match 10904 * our expected public key, then this is a different package and 10905 * we should skip. 10906 */ 10907 10908 final byte[] expectedPublicKey; 10909 try { 10910 final Signature verifierSig = pkg.mSignatures[0]; 10911 final PublicKey publicKey = verifierSig.getPublicKey(); 10912 expectedPublicKey = publicKey.getEncoded(); 10913 } catch (CertificateException e) { 10914 return -1; 10915 } 10916 10917 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10918 10919 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10920 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10921 + " does not have the expected public key; ignoring"); 10922 return -1; 10923 } 10924 10925 return pkg.applicationInfo.uid; 10926 } 10927 } 10928 10929 @Override 10930 public void finishPackageInstall(int token) { 10931 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10932 10933 if (DEBUG_INSTALL) { 10934 Slog.v(TAG, "BM finishing package install for " + token); 10935 } 10936 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10937 10938 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10939 mHandler.sendMessage(msg); 10940 } 10941 10942 /** 10943 * Get the verification agent timeout. 10944 * 10945 * @return verification timeout in milliseconds 10946 */ 10947 private long getVerificationTimeout() { 10948 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10949 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10950 DEFAULT_VERIFICATION_TIMEOUT); 10951 } 10952 10953 /** 10954 * Get the default verification agent response code. 10955 * 10956 * @return default verification response code 10957 */ 10958 private int getDefaultVerificationResponse() { 10959 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10960 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10961 DEFAULT_VERIFICATION_RESPONSE); 10962 } 10963 10964 /** 10965 * Check whether or not package verification has been enabled. 10966 * 10967 * @return true if verification should be performed 10968 */ 10969 private boolean isVerificationEnabled(int userId, int installFlags) { 10970 if (!DEFAULT_VERIFY_ENABLE) { 10971 return false; 10972 } 10973 // Ephemeral apps don't get the full verification treatment 10974 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10975 if (DEBUG_EPHEMERAL) { 10976 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10977 } 10978 return false; 10979 } 10980 10981 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10982 10983 // Check if installing from ADB 10984 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10985 // Do not run verification in a test harness environment 10986 if (ActivityManager.isRunningInTestHarness()) { 10987 return false; 10988 } 10989 if (ensureVerifyAppsEnabled) { 10990 return true; 10991 } 10992 // Check if the developer does not want package verification for ADB installs 10993 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10994 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10995 return false; 10996 } 10997 } 10998 10999 if (ensureVerifyAppsEnabled) { 11000 return true; 11001 } 11002 11003 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11004 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11005 } 11006 11007 @Override 11008 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11009 throws RemoteException { 11010 mContext.enforceCallingOrSelfPermission( 11011 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11012 "Only intentfilter verification agents can verify applications"); 11013 11014 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11015 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11016 Binder.getCallingUid(), verificationCode, failedDomains); 11017 msg.arg1 = id; 11018 msg.obj = response; 11019 mHandler.sendMessage(msg); 11020 } 11021 11022 @Override 11023 public int getIntentVerificationStatus(String packageName, int userId) { 11024 synchronized (mPackages) { 11025 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11026 } 11027 } 11028 11029 @Override 11030 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11031 mContext.enforceCallingOrSelfPermission( 11032 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11033 11034 boolean result = false; 11035 synchronized (mPackages) { 11036 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11037 } 11038 if (result) { 11039 scheduleWritePackageRestrictionsLocked(userId); 11040 } 11041 return result; 11042 } 11043 11044 @Override 11045 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 11046 synchronized (mPackages) { 11047 return mSettings.getIntentFilterVerificationsLPr(packageName); 11048 } 11049 } 11050 11051 @Override 11052 public List<IntentFilter> getAllIntentFilters(String packageName) { 11053 if (TextUtils.isEmpty(packageName)) { 11054 return Collections.<IntentFilter>emptyList(); 11055 } 11056 synchronized (mPackages) { 11057 PackageParser.Package pkg = mPackages.get(packageName); 11058 if (pkg == null || pkg.activities == null) { 11059 return Collections.<IntentFilter>emptyList(); 11060 } 11061 final int count = pkg.activities.size(); 11062 ArrayList<IntentFilter> result = new ArrayList<>(); 11063 for (int n=0; n<count; n++) { 11064 PackageParser.Activity activity = pkg.activities.get(n); 11065 if (activity.intents != null && activity.intents.size() > 0) { 11066 result.addAll(activity.intents); 11067 } 11068 } 11069 return result; 11070 } 11071 } 11072 11073 @Override 11074 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11075 mContext.enforceCallingOrSelfPermission( 11076 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11077 11078 synchronized (mPackages) { 11079 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11080 if (packageName != null) { 11081 result |= updateIntentVerificationStatus(packageName, 11082 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11083 userId); 11084 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11085 packageName, userId); 11086 } 11087 return result; 11088 } 11089 } 11090 11091 @Override 11092 public String getDefaultBrowserPackageName(int userId) { 11093 synchronized (mPackages) { 11094 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11095 } 11096 } 11097 11098 /** 11099 * Get the "allow unknown sources" setting. 11100 * 11101 * @return the current "allow unknown sources" setting 11102 */ 11103 private int getUnknownSourcesSettings() { 11104 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11105 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11106 -1); 11107 } 11108 11109 @Override 11110 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11111 final int uid = Binder.getCallingUid(); 11112 // writer 11113 synchronized (mPackages) { 11114 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11115 if (targetPackageSetting == null) { 11116 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11117 } 11118 11119 PackageSetting installerPackageSetting; 11120 if (installerPackageName != null) { 11121 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11122 if (installerPackageSetting == null) { 11123 throw new IllegalArgumentException("Unknown installer package: " 11124 + installerPackageName); 11125 } 11126 } else { 11127 installerPackageSetting = null; 11128 } 11129 11130 Signature[] callerSignature; 11131 Object obj = mSettings.getUserIdLPr(uid); 11132 if (obj != null) { 11133 if (obj instanceof SharedUserSetting) { 11134 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11135 } else if (obj instanceof PackageSetting) { 11136 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11137 } else { 11138 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11139 } 11140 } else { 11141 throw new SecurityException("Unknown calling UID: " + uid); 11142 } 11143 11144 // Verify: can't set installerPackageName to a package that is 11145 // not signed with the same cert as the caller. 11146 if (installerPackageSetting != null) { 11147 if (compareSignatures(callerSignature, 11148 installerPackageSetting.signatures.mSignatures) 11149 != PackageManager.SIGNATURE_MATCH) { 11150 throw new SecurityException( 11151 "Caller does not have same cert as new installer package " 11152 + installerPackageName); 11153 } 11154 } 11155 11156 // Verify: if target already has an installer package, it must 11157 // be signed with the same cert as the caller. 11158 if (targetPackageSetting.installerPackageName != null) { 11159 PackageSetting setting = mSettings.mPackages.get( 11160 targetPackageSetting.installerPackageName); 11161 // If the currently set package isn't valid, then it's always 11162 // okay to change it. 11163 if (setting != null) { 11164 if (compareSignatures(callerSignature, 11165 setting.signatures.mSignatures) 11166 != PackageManager.SIGNATURE_MATCH) { 11167 throw new SecurityException( 11168 "Caller does not have same cert as old installer package " 11169 + targetPackageSetting.installerPackageName); 11170 } 11171 } 11172 } 11173 11174 // Okay! 11175 targetPackageSetting.installerPackageName = installerPackageName; 11176 scheduleWriteSettingsLocked(); 11177 } 11178 } 11179 11180 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11181 // Queue up an async operation since the package installation may take a little while. 11182 mHandler.post(new Runnable() { 11183 public void run() { 11184 mHandler.removeCallbacks(this); 11185 // Result object to be returned 11186 PackageInstalledInfo res = new PackageInstalledInfo(); 11187 res.setReturnCode(currentStatus); 11188 res.uid = -1; 11189 res.pkg = null; 11190 res.removedInfo = null; 11191 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11192 args.doPreInstall(res.returnCode); 11193 synchronized (mInstallLock) { 11194 installPackageTracedLI(args, res); 11195 } 11196 args.doPostInstall(res.returnCode, res.uid); 11197 } 11198 11199 // A restore should be performed at this point if (a) the install 11200 // succeeded, (b) the operation is not an update, and (c) the new 11201 // package has not opted out of backup participation. 11202 final boolean update = res.removedInfo != null 11203 && res.removedInfo.removedPackage != null; 11204 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11205 boolean doRestore = !update 11206 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11207 11208 // Set up the post-install work request bookkeeping. This will be used 11209 // and cleaned up by the post-install event handling regardless of whether 11210 // there's a restore pass performed. Token values are >= 1. 11211 int token; 11212 if (mNextInstallToken < 0) mNextInstallToken = 1; 11213 token = mNextInstallToken++; 11214 11215 PostInstallData data = new PostInstallData(args, res); 11216 mRunningInstalls.put(token, data); 11217 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11218 11219 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11220 // Pass responsibility to the Backup Manager. It will perform a 11221 // restore if appropriate, then pass responsibility back to the 11222 // Package Manager to run the post-install observer callbacks 11223 // and broadcasts. 11224 IBackupManager bm = IBackupManager.Stub.asInterface( 11225 ServiceManager.getService(Context.BACKUP_SERVICE)); 11226 if (bm != null) { 11227 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11228 + " to BM for possible restore"); 11229 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11230 try { 11231 // TODO: http://b/22388012 11232 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11233 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11234 } else { 11235 doRestore = false; 11236 } 11237 } catch (RemoteException e) { 11238 // can't happen; the backup manager is local 11239 } catch (Exception e) { 11240 Slog.e(TAG, "Exception trying to enqueue restore", e); 11241 doRestore = false; 11242 } 11243 } else { 11244 Slog.e(TAG, "Backup Manager not found!"); 11245 doRestore = false; 11246 } 11247 } 11248 11249 if (!doRestore) { 11250 // No restore possible, or the Backup Manager was mysteriously not 11251 // available -- just fire the post-install work request directly. 11252 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11253 11254 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11255 11256 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11257 mHandler.sendMessage(msg); 11258 } 11259 } 11260 }); 11261 } 11262 11263 private abstract class HandlerParams { 11264 private static final int MAX_RETRIES = 4; 11265 11266 /** 11267 * Number of times startCopy() has been attempted and had a non-fatal 11268 * error. 11269 */ 11270 private int mRetries = 0; 11271 11272 /** User handle for the user requesting the information or installation. */ 11273 private final UserHandle mUser; 11274 String traceMethod; 11275 int traceCookie; 11276 11277 HandlerParams(UserHandle user) { 11278 mUser = user; 11279 } 11280 11281 UserHandle getUser() { 11282 return mUser; 11283 } 11284 11285 HandlerParams setTraceMethod(String traceMethod) { 11286 this.traceMethod = traceMethod; 11287 return this; 11288 } 11289 11290 HandlerParams setTraceCookie(int traceCookie) { 11291 this.traceCookie = traceCookie; 11292 return this; 11293 } 11294 11295 final boolean startCopy() { 11296 boolean res; 11297 try { 11298 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11299 11300 if (++mRetries > MAX_RETRIES) { 11301 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11302 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11303 handleServiceError(); 11304 return false; 11305 } else { 11306 handleStartCopy(); 11307 res = true; 11308 } 11309 } catch (RemoteException e) { 11310 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11311 mHandler.sendEmptyMessage(MCS_RECONNECT); 11312 res = false; 11313 } 11314 handleReturnCode(); 11315 return res; 11316 } 11317 11318 final void serviceError() { 11319 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11320 handleServiceError(); 11321 handleReturnCode(); 11322 } 11323 11324 abstract void handleStartCopy() throws RemoteException; 11325 abstract void handleServiceError(); 11326 abstract void handleReturnCode(); 11327 } 11328 11329 class MeasureParams extends HandlerParams { 11330 private final PackageStats mStats; 11331 private boolean mSuccess; 11332 11333 private final IPackageStatsObserver mObserver; 11334 11335 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11336 super(new UserHandle(stats.userHandle)); 11337 mObserver = observer; 11338 mStats = stats; 11339 } 11340 11341 @Override 11342 public String toString() { 11343 return "MeasureParams{" 11344 + Integer.toHexString(System.identityHashCode(this)) 11345 + " " + mStats.packageName + "}"; 11346 } 11347 11348 @Override 11349 void handleStartCopy() throws RemoteException { 11350 synchronized (mInstallLock) { 11351 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11352 } 11353 11354 if (mSuccess) { 11355 final boolean mounted; 11356 if (Environment.isExternalStorageEmulated()) { 11357 mounted = true; 11358 } else { 11359 final String status = Environment.getExternalStorageState(); 11360 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11361 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11362 } 11363 11364 if (mounted) { 11365 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11366 11367 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11368 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11369 11370 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11371 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11372 11373 // Always subtract cache size, since it's a subdirectory 11374 mStats.externalDataSize -= mStats.externalCacheSize; 11375 11376 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11377 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11378 11379 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11380 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11381 } 11382 } 11383 } 11384 11385 @Override 11386 void handleReturnCode() { 11387 if (mObserver != null) { 11388 try { 11389 mObserver.onGetStatsCompleted(mStats, mSuccess); 11390 } catch (RemoteException e) { 11391 Slog.i(TAG, "Observer no longer exists."); 11392 } 11393 } 11394 } 11395 11396 @Override 11397 void handleServiceError() { 11398 Slog.e(TAG, "Could not measure application " + mStats.packageName 11399 + " external storage"); 11400 } 11401 } 11402 11403 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11404 throws RemoteException { 11405 long result = 0; 11406 for (File path : paths) { 11407 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11408 } 11409 return result; 11410 } 11411 11412 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11413 for (File path : paths) { 11414 try { 11415 mcs.clearDirectory(path.getAbsolutePath()); 11416 } catch (RemoteException e) { 11417 } 11418 } 11419 } 11420 11421 static class OriginInfo { 11422 /** 11423 * Location where install is coming from, before it has been 11424 * copied/renamed into place. This could be a single monolithic APK 11425 * file, or a cluster directory. This location may be untrusted. 11426 */ 11427 final File file; 11428 final String cid; 11429 11430 /** 11431 * Flag indicating that {@link #file} or {@link #cid} has already been 11432 * staged, meaning downstream users don't need to defensively copy the 11433 * contents. 11434 */ 11435 final boolean staged; 11436 11437 /** 11438 * Flag indicating that {@link #file} or {@link #cid} is an already 11439 * installed app that is being moved. 11440 */ 11441 final boolean existing; 11442 11443 final String resolvedPath; 11444 final File resolvedFile; 11445 11446 static OriginInfo fromNothing() { 11447 return new OriginInfo(null, null, false, false); 11448 } 11449 11450 static OriginInfo fromUntrustedFile(File file) { 11451 return new OriginInfo(file, null, false, false); 11452 } 11453 11454 static OriginInfo fromExistingFile(File file) { 11455 return new OriginInfo(file, null, false, true); 11456 } 11457 11458 static OriginInfo fromStagedFile(File file) { 11459 return new OriginInfo(file, null, true, false); 11460 } 11461 11462 static OriginInfo fromStagedContainer(String cid) { 11463 return new OriginInfo(null, cid, true, false); 11464 } 11465 11466 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11467 this.file = file; 11468 this.cid = cid; 11469 this.staged = staged; 11470 this.existing = existing; 11471 11472 if (cid != null) { 11473 resolvedPath = PackageHelper.getSdDir(cid); 11474 resolvedFile = new File(resolvedPath); 11475 } else if (file != null) { 11476 resolvedPath = file.getAbsolutePath(); 11477 resolvedFile = file; 11478 } else { 11479 resolvedPath = null; 11480 resolvedFile = null; 11481 } 11482 } 11483 } 11484 11485 static class MoveInfo { 11486 final int moveId; 11487 final String fromUuid; 11488 final String toUuid; 11489 final String packageName; 11490 final String dataAppName; 11491 final int appId; 11492 final String seinfo; 11493 final int targetSdkVersion; 11494 11495 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11496 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11497 this.moveId = moveId; 11498 this.fromUuid = fromUuid; 11499 this.toUuid = toUuid; 11500 this.packageName = packageName; 11501 this.dataAppName = dataAppName; 11502 this.appId = appId; 11503 this.seinfo = seinfo; 11504 this.targetSdkVersion = targetSdkVersion; 11505 } 11506 } 11507 11508 class InstallParams extends HandlerParams { 11509 final OriginInfo origin; 11510 final MoveInfo move; 11511 final IPackageInstallObserver2 observer; 11512 int installFlags; 11513 final String installerPackageName; 11514 final String volumeUuid; 11515 final VerificationParams verificationParams; 11516 private InstallArgs mArgs; 11517 private int mRet; 11518 final String packageAbiOverride; 11519 final String[] grantedRuntimePermissions; 11520 11521 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11522 int installFlags, String installerPackageName, String volumeUuid, 11523 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11524 String[] grantedPermissions) { 11525 super(user); 11526 this.origin = origin; 11527 this.move = move; 11528 this.observer = observer; 11529 this.installFlags = installFlags; 11530 this.installerPackageName = installerPackageName; 11531 this.volumeUuid = volumeUuid; 11532 this.verificationParams = verificationParams; 11533 this.packageAbiOverride = packageAbiOverride; 11534 this.grantedRuntimePermissions = grantedPermissions; 11535 } 11536 11537 @Override 11538 public String toString() { 11539 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11540 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11541 } 11542 11543 private int installLocationPolicy(PackageInfoLite pkgLite) { 11544 String packageName = pkgLite.packageName; 11545 int installLocation = pkgLite.installLocation; 11546 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11547 // reader 11548 synchronized (mPackages) { 11549 PackageParser.Package pkg = mPackages.get(packageName); 11550 if (pkg != null) { 11551 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11552 // Check for downgrading. 11553 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11554 try { 11555 checkDowngrade(pkg, pkgLite); 11556 } catch (PackageManagerException e) { 11557 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11558 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11559 } 11560 } 11561 // Check for updated system application. 11562 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11563 if (onSd) { 11564 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11565 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11566 } 11567 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11568 } else { 11569 if (onSd) { 11570 // Install flag overrides everything. 11571 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11572 } 11573 // If current upgrade specifies particular preference 11574 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11575 // Application explicitly specified internal. 11576 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11577 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11578 // App explictly prefers external. Let policy decide 11579 } else { 11580 // Prefer previous location 11581 if (isExternal(pkg)) { 11582 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11583 } 11584 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11585 } 11586 } 11587 } else { 11588 // Invalid install. Return error code 11589 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11590 } 11591 } 11592 } 11593 // All the special cases have been taken care of. 11594 // Return result based on recommended install location. 11595 if (onSd) { 11596 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11597 } 11598 return pkgLite.recommendedInstallLocation; 11599 } 11600 11601 /* 11602 * Invoke remote method to get package information and install 11603 * location values. Override install location based on default 11604 * policy if needed and then create install arguments based 11605 * on the install location. 11606 */ 11607 public void handleStartCopy() throws RemoteException { 11608 int ret = PackageManager.INSTALL_SUCCEEDED; 11609 11610 // If we're already staged, we've firmly committed to an install location 11611 if (origin.staged) { 11612 if (origin.file != null) { 11613 installFlags |= PackageManager.INSTALL_INTERNAL; 11614 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11615 } else if (origin.cid != null) { 11616 installFlags |= PackageManager.INSTALL_EXTERNAL; 11617 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11618 } else { 11619 throw new IllegalStateException("Invalid stage location"); 11620 } 11621 } 11622 11623 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11624 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11625 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11626 PackageInfoLite pkgLite = null; 11627 11628 if (onInt && onSd) { 11629 // Check if both bits are set. 11630 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11631 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11632 } else if (onSd && ephemeral) { 11633 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11634 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11635 } else { 11636 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11637 packageAbiOverride); 11638 11639 if (DEBUG_EPHEMERAL && ephemeral) { 11640 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11641 } 11642 11643 /* 11644 * If we have too little free space, try to free cache 11645 * before giving up. 11646 */ 11647 if (!origin.staged && pkgLite.recommendedInstallLocation 11648 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11649 // TODO: focus freeing disk space on the target device 11650 final StorageManager storage = StorageManager.from(mContext); 11651 final long lowThreshold = storage.getStorageLowBytes( 11652 Environment.getDataDirectory()); 11653 11654 final long sizeBytes = mContainerService.calculateInstalledSize( 11655 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11656 11657 try { 11658 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11659 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11660 installFlags, packageAbiOverride); 11661 } catch (InstallerException e) { 11662 Slog.w(TAG, "Failed to free cache", e); 11663 } 11664 11665 /* 11666 * The cache free must have deleted the file we 11667 * downloaded to install. 11668 * 11669 * TODO: fix the "freeCache" call to not delete 11670 * the file we care about. 11671 */ 11672 if (pkgLite.recommendedInstallLocation 11673 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11674 pkgLite.recommendedInstallLocation 11675 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11676 } 11677 } 11678 } 11679 11680 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11681 int loc = pkgLite.recommendedInstallLocation; 11682 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11683 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11684 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11685 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11686 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11687 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11688 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11689 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11690 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11691 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11692 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11693 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11694 } else { 11695 // Override with defaults if needed. 11696 loc = installLocationPolicy(pkgLite); 11697 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11698 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11699 } else if (!onSd && !onInt) { 11700 // Override install location with flags 11701 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11702 // Set the flag to install on external media. 11703 installFlags |= PackageManager.INSTALL_EXTERNAL; 11704 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11705 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11706 if (DEBUG_EPHEMERAL) { 11707 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11708 } 11709 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11710 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11711 |PackageManager.INSTALL_INTERNAL); 11712 } else { 11713 // Make sure the flag for installing on external 11714 // media is unset 11715 installFlags |= PackageManager.INSTALL_INTERNAL; 11716 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11717 } 11718 } 11719 } 11720 } 11721 11722 final InstallArgs args = createInstallArgs(this); 11723 mArgs = args; 11724 11725 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11726 // TODO: http://b/22976637 11727 // Apps installed for "all" users use the device owner to verify the app 11728 UserHandle verifierUser = getUser(); 11729 if (verifierUser == UserHandle.ALL) { 11730 verifierUser = UserHandle.SYSTEM; 11731 } 11732 11733 /* 11734 * Determine if we have any installed package verifiers. If we 11735 * do, then we'll defer to them to verify the packages. 11736 */ 11737 final int requiredUid = mRequiredVerifierPackage == null ? -1 11738 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11739 verifierUser.getIdentifier()); 11740 if (!origin.existing && requiredUid != -1 11741 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11742 final Intent verification = new Intent( 11743 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11744 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11745 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11746 PACKAGE_MIME_TYPE); 11747 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11748 11749 // Query all live verifiers based on current user state 11750 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11751 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11752 11753 if (DEBUG_VERIFY) { 11754 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11755 + verification.toString() + " with " + pkgLite.verifiers.length 11756 + " optional verifiers"); 11757 } 11758 11759 final int verificationId = mPendingVerificationToken++; 11760 11761 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11762 11763 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11764 installerPackageName); 11765 11766 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11767 installFlags); 11768 11769 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11770 pkgLite.packageName); 11771 11772 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11773 pkgLite.versionCode); 11774 11775 if (verificationParams != null) { 11776 if (verificationParams.getVerificationURI() != null) { 11777 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11778 verificationParams.getVerificationURI()); 11779 } 11780 if (verificationParams.getOriginatingURI() != null) { 11781 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11782 verificationParams.getOriginatingURI()); 11783 } 11784 if (verificationParams.getReferrer() != null) { 11785 verification.putExtra(Intent.EXTRA_REFERRER, 11786 verificationParams.getReferrer()); 11787 } 11788 if (verificationParams.getOriginatingUid() >= 0) { 11789 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11790 verificationParams.getOriginatingUid()); 11791 } 11792 if (verificationParams.getInstallerUid() >= 0) { 11793 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11794 verificationParams.getInstallerUid()); 11795 } 11796 } 11797 11798 final PackageVerificationState verificationState = new PackageVerificationState( 11799 requiredUid, args); 11800 11801 mPendingVerification.append(verificationId, verificationState); 11802 11803 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11804 receivers, verificationState); 11805 11806 /* 11807 * If any sufficient verifiers were listed in the package 11808 * manifest, attempt to ask them. 11809 */ 11810 if (sufficientVerifiers != null) { 11811 final int N = sufficientVerifiers.size(); 11812 if (N == 0) { 11813 Slog.i(TAG, "Additional verifiers required, but none installed."); 11814 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11815 } else { 11816 for (int i = 0; i < N; i++) { 11817 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11818 11819 final Intent sufficientIntent = new Intent(verification); 11820 sufficientIntent.setComponent(verifierComponent); 11821 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11822 } 11823 } 11824 } 11825 11826 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11827 mRequiredVerifierPackage, receivers); 11828 if (ret == PackageManager.INSTALL_SUCCEEDED 11829 && mRequiredVerifierPackage != null) { 11830 Trace.asyncTraceBegin( 11831 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11832 /* 11833 * Send the intent to the required verification agent, 11834 * but only start the verification timeout after the 11835 * target BroadcastReceivers have run. 11836 */ 11837 verification.setComponent(requiredVerifierComponent); 11838 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11839 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11840 new BroadcastReceiver() { 11841 @Override 11842 public void onReceive(Context context, Intent intent) { 11843 final Message msg = mHandler 11844 .obtainMessage(CHECK_PENDING_VERIFICATION); 11845 msg.arg1 = verificationId; 11846 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11847 } 11848 }, null, 0, null, null); 11849 11850 /* 11851 * We don't want the copy to proceed until verification 11852 * succeeds, so null out this field. 11853 */ 11854 mArgs = null; 11855 } 11856 } else { 11857 /* 11858 * No package verification is enabled, so immediately start 11859 * the remote call to initiate copy using temporary file. 11860 */ 11861 ret = args.copyApk(mContainerService, true); 11862 } 11863 } 11864 11865 mRet = ret; 11866 } 11867 11868 @Override 11869 void handleReturnCode() { 11870 // If mArgs is null, then MCS couldn't be reached. When it 11871 // reconnects, it will try again to install. At that point, this 11872 // will succeed. 11873 if (mArgs != null) { 11874 processPendingInstall(mArgs, mRet); 11875 } 11876 } 11877 11878 @Override 11879 void handleServiceError() { 11880 mArgs = createInstallArgs(this); 11881 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11882 } 11883 11884 public boolean isForwardLocked() { 11885 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11886 } 11887 } 11888 11889 /** 11890 * Used during creation of InstallArgs 11891 * 11892 * @param installFlags package installation flags 11893 * @return true if should be installed on external storage 11894 */ 11895 private static boolean installOnExternalAsec(int installFlags) { 11896 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11897 return false; 11898 } 11899 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11900 return true; 11901 } 11902 return false; 11903 } 11904 11905 /** 11906 * Used during creation of InstallArgs 11907 * 11908 * @param installFlags package installation flags 11909 * @return true if should be installed as forward locked 11910 */ 11911 private static boolean installForwardLocked(int installFlags) { 11912 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11913 } 11914 11915 private InstallArgs createInstallArgs(InstallParams params) { 11916 if (params.move != null) { 11917 return new MoveInstallArgs(params); 11918 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11919 return new AsecInstallArgs(params); 11920 } else { 11921 return new FileInstallArgs(params); 11922 } 11923 } 11924 11925 /** 11926 * Create args that describe an existing installed package. Typically used 11927 * when cleaning up old installs, or used as a move source. 11928 */ 11929 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11930 String resourcePath, String[] instructionSets) { 11931 final boolean isInAsec; 11932 if (installOnExternalAsec(installFlags)) { 11933 /* Apps on SD card are always in ASEC containers. */ 11934 isInAsec = true; 11935 } else if (installForwardLocked(installFlags) 11936 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11937 /* 11938 * Forward-locked apps are only in ASEC containers if they're the 11939 * new style 11940 */ 11941 isInAsec = true; 11942 } else { 11943 isInAsec = false; 11944 } 11945 11946 if (isInAsec) { 11947 return new AsecInstallArgs(codePath, instructionSets, 11948 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11949 } else { 11950 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11951 } 11952 } 11953 11954 static abstract class InstallArgs { 11955 /** @see InstallParams#origin */ 11956 final OriginInfo origin; 11957 /** @see InstallParams#move */ 11958 final MoveInfo move; 11959 11960 final IPackageInstallObserver2 observer; 11961 // Always refers to PackageManager flags only 11962 final int installFlags; 11963 final String installerPackageName; 11964 final String volumeUuid; 11965 final UserHandle user; 11966 final String abiOverride; 11967 final String[] installGrantPermissions; 11968 /** If non-null, drop an async trace when the install completes */ 11969 final String traceMethod; 11970 final int traceCookie; 11971 11972 // The list of instruction sets supported by this app. This is currently 11973 // only used during the rmdex() phase to clean up resources. We can get rid of this 11974 // if we move dex files under the common app path. 11975 /* nullable */ String[] instructionSets; 11976 11977 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11978 int installFlags, String installerPackageName, String volumeUuid, 11979 UserHandle user, String[] instructionSets, 11980 String abiOverride, String[] installGrantPermissions, 11981 String traceMethod, int traceCookie) { 11982 this.origin = origin; 11983 this.move = move; 11984 this.installFlags = installFlags; 11985 this.observer = observer; 11986 this.installerPackageName = installerPackageName; 11987 this.volumeUuid = volumeUuid; 11988 this.user = user; 11989 this.instructionSets = instructionSets; 11990 this.abiOverride = abiOverride; 11991 this.installGrantPermissions = installGrantPermissions; 11992 this.traceMethod = traceMethod; 11993 this.traceCookie = traceCookie; 11994 } 11995 11996 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11997 abstract int doPreInstall(int status); 11998 11999 /** 12000 * Rename package into final resting place. All paths on the given 12001 * scanned package should be updated to reflect the rename. 12002 */ 12003 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12004 abstract int doPostInstall(int status, int uid); 12005 12006 /** @see PackageSettingBase#codePathString */ 12007 abstract String getCodePath(); 12008 /** @see PackageSettingBase#resourcePathString */ 12009 abstract String getResourcePath(); 12010 12011 // Need installer lock especially for dex file removal. 12012 abstract void cleanUpResourcesLI(); 12013 abstract boolean doPostDeleteLI(boolean delete); 12014 12015 /** 12016 * Called before the source arguments are copied. This is used mostly 12017 * for MoveParams when it needs to read the source file to put it in the 12018 * destination. 12019 */ 12020 int doPreCopy() { 12021 return PackageManager.INSTALL_SUCCEEDED; 12022 } 12023 12024 /** 12025 * Called after the source arguments are copied. This is used mostly for 12026 * MoveParams when it needs to read the source file to put it in the 12027 * destination. 12028 * 12029 * @return 12030 */ 12031 int doPostCopy(int uid) { 12032 return PackageManager.INSTALL_SUCCEEDED; 12033 } 12034 12035 protected boolean isFwdLocked() { 12036 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12037 } 12038 12039 protected boolean isExternalAsec() { 12040 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12041 } 12042 12043 protected boolean isEphemeral() { 12044 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12045 } 12046 12047 UserHandle getUser() { 12048 return user; 12049 } 12050 } 12051 12052 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12053 if (!allCodePaths.isEmpty()) { 12054 if (instructionSets == null) { 12055 throw new IllegalStateException("instructionSet == null"); 12056 } 12057 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12058 for (String codePath : allCodePaths) { 12059 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12060 try { 12061 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12062 } catch (InstallerException ignored) { 12063 } 12064 } 12065 } 12066 } 12067 } 12068 12069 /** 12070 * Logic to handle installation of non-ASEC applications, including copying 12071 * and renaming logic. 12072 */ 12073 class FileInstallArgs extends InstallArgs { 12074 private File codeFile; 12075 private File resourceFile; 12076 12077 // Example topology: 12078 // /data/app/com.example/base.apk 12079 // /data/app/com.example/split_foo.apk 12080 // /data/app/com.example/lib/arm/libfoo.so 12081 // /data/app/com.example/lib/arm64/libfoo.so 12082 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12083 12084 /** New install */ 12085 FileInstallArgs(InstallParams params) { 12086 super(params.origin, params.move, params.observer, params.installFlags, 12087 params.installerPackageName, params.volumeUuid, 12088 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12089 params.grantedRuntimePermissions, 12090 params.traceMethod, params.traceCookie); 12091 if (isFwdLocked()) { 12092 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12093 } 12094 } 12095 12096 /** Existing install */ 12097 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12098 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12099 null, null, null, 0); 12100 this.codeFile = (codePath != null) ? new File(codePath) : null; 12101 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12102 } 12103 12104 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12105 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12106 try { 12107 return doCopyApk(imcs, temp); 12108 } finally { 12109 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12110 } 12111 } 12112 12113 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12114 if (origin.staged) { 12115 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12116 codeFile = origin.file; 12117 resourceFile = origin.file; 12118 return PackageManager.INSTALL_SUCCEEDED; 12119 } 12120 12121 try { 12122 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12123 final File tempDir = 12124 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12125 codeFile = tempDir; 12126 resourceFile = tempDir; 12127 } catch (IOException e) { 12128 Slog.w(TAG, "Failed to create copy file: " + e); 12129 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12130 } 12131 12132 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12133 @Override 12134 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12135 if (!FileUtils.isValidExtFilename(name)) { 12136 throw new IllegalArgumentException("Invalid filename: " + name); 12137 } 12138 try { 12139 final File file = new File(codeFile, name); 12140 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12141 O_RDWR | O_CREAT, 0644); 12142 Os.chmod(file.getAbsolutePath(), 0644); 12143 return new ParcelFileDescriptor(fd); 12144 } catch (ErrnoException e) { 12145 throw new RemoteException("Failed to open: " + e.getMessage()); 12146 } 12147 } 12148 }; 12149 12150 int ret = PackageManager.INSTALL_SUCCEEDED; 12151 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12152 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12153 Slog.e(TAG, "Failed to copy package"); 12154 return ret; 12155 } 12156 12157 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12158 NativeLibraryHelper.Handle handle = null; 12159 try { 12160 handle = NativeLibraryHelper.Handle.create(codeFile); 12161 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12162 abiOverride); 12163 } catch (IOException e) { 12164 Slog.e(TAG, "Copying native libraries failed", e); 12165 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12166 } finally { 12167 IoUtils.closeQuietly(handle); 12168 } 12169 12170 return ret; 12171 } 12172 12173 int doPreInstall(int status) { 12174 if (status != PackageManager.INSTALL_SUCCEEDED) { 12175 cleanUp(); 12176 } 12177 return status; 12178 } 12179 12180 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12181 if (status != PackageManager.INSTALL_SUCCEEDED) { 12182 cleanUp(); 12183 return false; 12184 } 12185 12186 final File targetDir = codeFile.getParentFile(); 12187 final File beforeCodeFile = codeFile; 12188 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12189 12190 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12191 try { 12192 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12193 } catch (ErrnoException e) { 12194 Slog.w(TAG, "Failed to rename", e); 12195 return false; 12196 } 12197 12198 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12199 Slog.w(TAG, "Failed to restorecon"); 12200 return false; 12201 } 12202 12203 // Reflect the rename internally 12204 codeFile = afterCodeFile; 12205 resourceFile = afterCodeFile; 12206 12207 // Reflect the rename in scanned details 12208 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12209 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12210 afterCodeFile, pkg.baseCodePath)); 12211 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12212 afterCodeFile, pkg.splitCodePaths)); 12213 12214 // Reflect the rename in app info 12215 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12216 pkg.setApplicationInfoCodePath(pkg.codePath); 12217 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12218 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12219 pkg.setApplicationInfoResourcePath(pkg.codePath); 12220 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12221 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12222 12223 return true; 12224 } 12225 12226 int doPostInstall(int status, int uid) { 12227 if (status != PackageManager.INSTALL_SUCCEEDED) { 12228 cleanUp(); 12229 } 12230 return status; 12231 } 12232 12233 @Override 12234 String getCodePath() { 12235 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12236 } 12237 12238 @Override 12239 String getResourcePath() { 12240 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12241 } 12242 12243 private boolean cleanUp() { 12244 if (codeFile == null || !codeFile.exists()) { 12245 return false; 12246 } 12247 12248 removeCodePathLI(codeFile); 12249 12250 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12251 resourceFile.delete(); 12252 } 12253 12254 return true; 12255 } 12256 12257 void cleanUpResourcesLI() { 12258 // Try enumerating all code paths before deleting 12259 List<String> allCodePaths = Collections.EMPTY_LIST; 12260 if (codeFile != null && codeFile.exists()) { 12261 try { 12262 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12263 allCodePaths = pkg.getAllCodePaths(); 12264 } catch (PackageParserException e) { 12265 // Ignored; we tried our best 12266 } 12267 } 12268 12269 cleanUp(); 12270 removeDexFiles(allCodePaths, instructionSets); 12271 } 12272 12273 boolean doPostDeleteLI(boolean delete) { 12274 // XXX err, shouldn't we respect the delete flag? 12275 cleanUpResourcesLI(); 12276 return true; 12277 } 12278 } 12279 12280 private boolean isAsecExternal(String cid) { 12281 final String asecPath = PackageHelper.getSdFilesystem(cid); 12282 return !asecPath.startsWith(mAsecInternalPath); 12283 } 12284 12285 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12286 PackageManagerException { 12287 if (copyRet < 0) { 12288 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12289 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12290 throw new PackageManagerException(copyRet, message); 12291 } 12292 } 12293 } 12294 12295 /** 12296 * Extract the MountService "container ID" from the full code path of an 12297 * .apk. 12298 */ 12299 static String cidFromCodePath(String fullCodePath) { 12300 int eidx = fullCodePath.lastIndexOf("/"); 12301 String subStr1 = fullCodePath.substring(0, eidx); 12302 int sidx = subStr1.lastIndexOf("/"); 12303 return subStr1.substring(sidx+1, eidx); 12304 } 12305 12306 /** 12307 * Logic to handle installation of ASEC applications, including copying and 12308 * renaming logic. 12309 */ 12310 class AsecInstallArgs extends InstallArgs { 12311 static final String RES_FILE_NAME = "pkg.apk"; 12312 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12313 12314 String cid; 12315 String packagePath; 12316 String resourcePath; 12317 12318 /** New install */ 12319 AsecInstallArgs(InstallParams params) { 12320 super(params.origin, params.move, params.observer, params.installFlags, 12321 params.installerPackageName, params.volumeUuid, 12322 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12323 params.grantedRuntimePermissions, 12324 params.traceMethod, params.traceCookie); 12325 } 12326 12327 /** Existing install */ 12328 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12329 boolean isExternal, boolean isForwardLocked) { 12330 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12331 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12332 instructionSets, null, null, null, 0); 12333 // Hackily pretend we're still looking at a full code path 12334 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12335 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12336 } 12337 12338 // Extract cid from fullCodePath 12339 int eidx = fullCodePath.lastIndexOf("/"); 12340 String subStr1 = fullCodePath.substring(0, eidx); 12341 int sidx = subStr1.lastIndexOf("/"); 12342 cid = subStr1.substring(sidx+1, eidx); 12343 setMountPath(subStr1); 12344 } 12345 12346 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12347 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12348 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12349 instructionSets, null, null, null, 0); 12350 this.cid = cid; 12351 setMountPath(PackageHelper.getSdDir(cid)); 12352 } 12353 12354 void createCopyFile() { 12355 cid = mInstallerService.allocateExternalStageCidLegacy(); 12356 } 12357 12358 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12359 if (origin.staged && origin.cid != null) { 12360 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12361 cid = origin.cid; 12362 setMountPath(PackageHelper.getSdDir(cid)); 12363 return PackageManager.INSTALL_SUCCEEDED; 12364 } 12365 12366 if (temp) { 12367 createCopyFile(); 12368 } else { 12369 /* 12370 * Pre-emptively destroy the container since it's destroyed if 12371 * copying fails due to it existing anyway. 12372 */ 12373 PackageHelper.destroySdDir(cid); 12374 } 12375 12376 final String newMountPath = imcs.copyPackageToContainer( 12377 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12378 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12379 12380 if (newMountPath != null) { 12381 setMountPath(newMountPath); 12382 return PackageManager.INSTALL_SUCCEEDED; 12383 } else { 12384 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12385 } 12386 } 12387 12388 @Override 12389 String getCodePath() { 12390 return packagePath; 12391 } 12392 12393 @Override 12394 String getResourcePath() { 12395 return resourcePath; 12396 } 12397 12398 int doPreInstall(int status) { 12399 if (status != PackageManager.INSTALL_SUCCEEDED) { 12400 // Destroy container 12401 PackageHelper.destroySdDir(cid); 12402 } else { 12403 boolean mounted = PackageHelper.isContainerMounted(cid); 12404 if (!mounted) { 12405 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12406 Process.SYSTEM_UID); 12407 if (newMountPath != null) { 12408 setMountPath(newMountPath); 12409 } else { 12410 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12411 } 12412 } 12413 } 12414 return status; 12415 } 12416 12417 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12418 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12419 String newMountPath = null; 12420 if (PackageHelper.isContainerMounted(cid)) { 12421 // Unmount the container 12422 if (!PackageHelper.unMountSdDir(cid)) { 12423 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12424 return false; 12425 } 12426 } 12427 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12428 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12429 " which might be stale. Will try to clean up."); 12430 // Clean up the stale container and proceed to recreate. 12431 if (!PackageHelper.destroySdDir(newCacheId)) { 12432 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12433 return false; 12434 } 12435 // Successfully cleaned up stale container. Try to rename again. 12436 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12437 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12438 + " inspite of cleaning it up."); 12439 return false; 12440 } 12441 } 12442 if (!PackageHelper.isContainerMounted(newCacheId)) { 12443 Slog.w(TAG, "Mounting container " + newCacheId); 12444 newMountPath = PackageHelper.mountSdDir(newCacheId, 12445 getEncryptKey(), Process.SYSTEM_UID); 12446 } else { 12447 newMountPath = PackageHelper.getSdDir(newCacheId); 12448 } 12449 if (newMountPath == null) { 12450 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12451 return false; 12452 } 12453 Log.i(TAG, "Succesfully renamed " + cid + 12454 " to " + newCacheId + 12455 " at new path: " + newMountPath); 12456 cid = newCacheId; 12457 12458 final File beforeCodeFile = new File(packagePath); 12459 setMountPath(newMountPath); 12460 final File afterCodeFile = new File(packagePath); 12461 12462 // Reflect the rename in scanned details 12463 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12464 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12465 afterCodeFile, pkg.baseCodePath)); 12466 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12467 afterCodeFile, pkg.splitCodePaths)); 12468 12469 // Reflect the rename in app info 12470 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12471 pkg.setApplicationInfoCodePath(pkg.codePath); 12472 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12473 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12474 pkg.setApplicationInfoResourcePath(pkg.codePath); 12475 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12476 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12477 12478 return true; 12479 } 12480 12481 private void setMountPath(String mountPath) { 12482 final File mountFile = new File(mountPath); 12483 12484 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12485 if (monolithicFile.exists()) { 12486 packagePath = monolithicFile.getAbsolutePath(); 12487 if (isFwdLocked()) { 12488 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12489 } else { 12490 resourcePath = packagePath; 12491 } 12492 } else { 12493 packagePath = mountFile.getAbsolutePath(); 12494 resourcePath = packagePath; 12495 } 12496 } 12497 12498 int doPostInstall(int status, int uid) { 12499 if (status != PackageManager.INSTALL_SUCCEEDED) { 12500 cleanUp(); 12501 } else { 12502 final int groupOwner; 12503 final String protectedFile; 12504 if (isFwdLocked()) { 12505 groupOwner = UserHandle.getSharedAppGid(uid); 12506 protectedFile = RES_FILE_NAME; 12507 } else { 12508 groupOwner = -1; 12509 protectedFile = null; 12510 } 12511 12512 if (uid < Process.FIRST_APPLICATION_UID 12513 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12514 Slog.e(TAG, "Failed to finalize " + cid); 12515 PackageHelper.destroySdDir(cid); 12516 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12517 } 12518 12519 boolean mounted = PackageHelper.isContainerMounted(cid); 12520 if (!mounted) { 12521 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12522 } 12523 } 12524 return status; 12525 } 12526 12527 private void cleanUp() { 12528 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12529 12530 // Destroy secure container 12531 PackageHelper.destroySdDir(cid); 12532 } 12533 12534 private List<String> getAllCodePaths() { 12535 final File codeFile = new File(getCodePath()); 12536 if (codeFile != null && codeFile.exists()) { 12537 try { 12538 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12539 return pkg.getAllCodePaths(); 12540 } catch (PackageParserException e) { 12541 // Ignored; we tried our best 12542 } 12543 } 12544 return Collections.EMPTY_LIST; 12545 } 12546 12547 void cleanUpResourcesLI() { 12548 // Enumerate all code paths before deleting 12549 cleanUpResourcesLI(getAllCodePaths()); 12550 } 12551 12552 private void cleanUpResourcesLI(List<String> allCodePaths) { 12553 cleanUp(); 12554 removeDexFiles(allCodePaths, instructionSets); 12555 } 12556 12557 String getPackageName() { 12558 return getAsecPackageName(cid); 12559 } 12560 12561 boolean doPostDeleteLI(boolean delete) { 12562 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12563 final List<String> allCodePaths = getAllCodePaths(); 12564 boolean mounted = PackageHelper.isContainerMounted(cid); 12565 if (mounted) { 12566 // Unmount first 12567 if (PackageHelper.unMountSdDir(cid)) { 12568 mounted = false; 12569 } 12570 } 12571 if (!mounted && delete) { 12572 cleanUpResourcesLI(allCodePaths); 12573 } 12574 return !mounted; 12575 } 12576 12577 @Override 12578 int doPreCopy() { 12579 if (isFwdLocked()) { 12580 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12581 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12582 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12583 } 12584 } 12585 12586 return PackageManager.INSTALL_SUCCEEDED; 12587 } 12588 12589 @Override 12590 int doPostCopy(int uid) { 12591 if (isFwdLocked()) { 12592 if (uid < Process.FIRST_APPLICATION_UID 12593 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12594 RES_FILE_NAME)) { 12595 Slog.e(TAG, "Failed to finalize " + cid); 12596 PackageHelper.destroySdDir(cid); 12597 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12598 } 12599 } 12600 12601 return PackageManager.INSTALL_SUCCEEDED; 12602 } 12603 } 12604 12605 /** 12606 * Logic to handle movement of existing installed applications. 12607 */ 12608 class MoveInstallArgs extends InstallArgs { 12609 private File codeFile; 12610 private File resourceFile; 12611 12612 /** New install */ 12613 MoveInstallArgs(InstallParams params) { 12614 super(params.origin, params.move, params.observer, params.installFlags, 12615 params.installerPackageName, params.volumeUuid, 12616 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12617 params.grantedRuntimePermissions, 12618 params.traceMethod, params.traceCookie); 12619 } 12620 12621 int copyApk(IMediaContainerService imcs, boolean temp) { 12622 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12623 + move.fromUuid + " to " + move.toUuid); 12624 synchronized (mInstaller) { 12625 try { 12626 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12627 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12628 } catch (InstallerException e) { 12629 Slog.w(TAG, "Failed to move app", e); 12630 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12631 } 12632 } 12633 12634 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12635 resourceFile = codeFile; 12636 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12637 12638 return PackageManager.INSTALL_SUCCEEDED; 12639 } 12640 12641 int doPreInstall(int status) { 12642 if (status != PackageManager.INSTALL_SUCCEEDED) { 12643 cleanUp(move.toUuid); 12644 } 12645 return status; 12646 } 12647 12648 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12649 if (status != PackageManager.INSTALL_SUCCEEDED) { 12650 cleanUp(move.toUuid); 12651 return false; 12652 } 12653 12654 // Reflect the move in app info 12655 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12656 pkg.setApplicationInfoCodePath(pkg.codePath); 12657 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12658 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12659 pkg.setApplicationInfoResourcePath(pkg.codePath); 12660 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12661 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12662 12663 return true; 12664 } 12665 12666 int doPostInstall(int status, int uid) { 12667 if (status == PackageManager.INSTALL_SUCCEEDED) { 12668 cleanUp(move.fromUuid); 12669 } else { 12670 cleanUp(move.toUuid); 12671 } 12672 return status; 12673 } 12674 12675 @Override 12676 String getCodePath() { 12677 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12678 } 12679 12680 @Override 12681 String getResourcePath() { 12682 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12683 } 12684 12685 private boolean cleanUp(String volumeUuid) { 12686 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12687 move.dataAppName); 12688 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12689 synchronized (mInstallLock) { 12690 // Clean up both app data and code 12691 removeDataDirsLI(volumeUuid, move.packageName); 12692 removeCodePathLI(codeFile); 12693 } 12694 return true; 12695 } 12696 12697 void cleanUpResourcesLI() { 12698 throw new UnsupportedOperationException(); 12699 } 12700 12701 boolean doPostDeleteLI(boolean delete) { 12702 throw new UnsupportedOperationException(); 12703 } 12704 } 12705 12706 static String getAsecPackageName(String packageCid) { 12707 int idx = packageCid.lastIndexOf("-"); 12708 if (idx == -1) { 12709 return packageCid; 12710 } 12711 return packageCid.substring(0, idx); 12712 } 12713 12714 // Utility method used to create code paths based on package name and available index. 12715 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12716 String idxStr = ""; 12717 int idx = 1; 12718 // Fall back to default value of idx=1 if prefix is not 12719 // part of oldCodePath 12720 if (oldCodePath != null) { 12721 String subStr = oldCodePath; 12722 // Drop the suffix right away 12723 if (suffix != null && subStr.endsWith(suffix)) { 12724 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12725 } 12726 // If oldCodePath already contains prefix find out the 12727 // ending index to either increment or decrement. 12728 int sidx = subStr.lastIndexOf(prefix); 12729 if (sidx != -1) { 12730 subStr = subStr.substring(sidx + prefix.length()); 12731 if (subStr != null) { 12732 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12733 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12734 } 12735 try { 12736 idx = Integer.parseInt(subStr); 12737 if (idx <= 1) { 12738 idx++; 12739 } else { 12740 idx--; 12741 } 12742 } catch(NumberFormatException e) { 12743 } 12744 } 12745 } 12746 } 12747 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12748 return prefix + idxStr; 12749 } 12750 12751 private File getNextCodePath(File targetDir, String packageName) { 12752 int suffix = 1; 12753 File result; 12754 do { 12755 result = new File(targetDir, packageName + "-" + suffix); 12756 suffix++; 12757 } while (result.exists()); 12758 return result; 12759 } 12760 12761 // Utility method that returns the relative package path with respect 12762 // to the installation directory. Like say for /data/data/com.test-1.apk 12763 // string com.test-1 is returned. 12764 static String deriveCodePathName(String codePath) { 12765 if (codePath == null) { 12766 return null; 12767 } 12768 final File codeFile = new File(codePath); 12769 final String name = codeFile.getName(); 12770 if (codeFile.isDirectory()) { 12771 return name; 12772 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12773 final int lastDot = name.lastIndexOf('.'); 12774 return name.substring(0, lastDot); 12775 } else { 12776 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12777 return null; 12778 } 12779 } 12780 12781 static class PackageInstalledInfo { 12782 String name; 12783 int uid; 12784 // The set of users that originally had this package installed. 12785 int[] origUsers; 12786 // The set of users that now have this package installed. 12787 int[] newUsers; 12788 PackageParser.Package pkg; 12789 int returnCode; 12790 String returnMsg; 12791 PackageRemovedInfo removedInfo; 12792 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 12793 12794 public void setError(int code, String msg) { 12795 setReturnCode(code); 12796 setReturnMessage(msg); 12797 Slog.w(TAG, msg); 12798 } 12799 12800 public void setError(String msg, PackageParserException e) { 12801 setReturnCode(e.error); 12802 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12803 Slog.w(TAG, msg, e); 12804 } 12805 12806 public void setError(String msg, PackageManagerException e) { 12807 returnCode = e.error; 12808 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12809 Slog.w(TAG, msg, e); 12810 } 12811 12812 public void setReturnCode(int returnCode) { 12813 this.returnCode = returnCode; 12814 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12815 for (int i = 0; i < childCount; i++) { 12816 addedChildPackages.valueAt(i).returnCode = returnCode; 12817 } 12818 } 12819 12820 private void setReturnMessage(String returnMsg) { 12821 this.returnMsg = returnMsg; 12822 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12823 for (int i = 0; i < childCount; i++) { 12824 addedChildPackages.valueAt(i).returnMsg = returnMsg; 12825 } 12826 } 12827 12828 // In some error cases we want to convey more info back to the observer 12829 String origPackage; 12830 String origPermission; 12831 } 12832 12833 /* 12834 * Install a non-existing package. 12835 */ 12836 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12837 UserHandle user, String installerPackageName, String volumeUuid, 12838 PackageInstalledInfo res) { 12839 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12840 12841 // Remember this for later, in case we need to rollback this install 12842 String pkgName = pkg.packageName; 12843 12844 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12845 12846 synchronized(mPackages) { 12847 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12848 // A package with the same name is already installed, though 12849 // it has been renamed to an older name. The package we 12850 // are trying to install should be installed as an update to 12851 // the existing one, but that has not been requested, so bail. 12852 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12853 + " without first uninstalling package running as " 12854 + mSettings.mRenamedPackages.get(pkgName)); 12855 return; 12856 } 12857 if (mPackages.containsKey(pkgName)) { 12858 // Don't allow installation over an existing package with the same name. 12859 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12860 + " without first uninstalling."); 12861 return; 12862 } 12863 } 12864 12865 try { 12866 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12867 System.currentTimeMillis(), user); 12868 12869 updateSettingsLI(newPackage, installerPackageName, null, res, user); 12870 12871 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12872 prepareAppDataAfterInstall(newPackage); 12873 12874 } else { 12875 // Remove package from internal structures, but keep around any 12876 // data that might have already existed 12877 deletePackageLI(pkgName, UserHandle.ALL, false, null, 12878 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 12879 } 12880 } catch (PackageManagerException e) { 12881 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12882 } 12883 12884 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12885 } 12886 12887 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12888 // Can't rotate keys during boot or if sharedUser. 12889 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12890 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12891 return false; 12892 } 12893 // app is using upgradeKeySets; make sure all are valid 12894 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12895 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12896 for (int i = 0; i < upgradeKeySets.length; i++) { 12897 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12898 Slog.wtf(TAG, "Package " 12899 + (oldPs.name != null ? oldPs.name : "<null>") 12900 + " contains upgrade-key-set reference to unknown key-set: " 12901 + upgradeKeySets[i] 12902 + " reverting to signatures check."); 12903 return false; 12904 } 12905 } 12906 return true; 12907 } 12908 12909 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12910 // Upgrade keysets are being used. Determine if new package has a superset of the 12911 // required keys. 12912 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12913 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12914 for (int i = 0; i < upgradeKeySets.length; i++) { 12915 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12916 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12917 return true; 12918 } 12919 } 12920 return false; 12921 } 12922 12923 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12924 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 12925 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12926 12927 final PackageParser.Package oldPackage; 12928 final String pkgName = pkg.packageName; 12929 final int[] allUsers; 12930 12931 // First find the old package info and check signatures 12932 synchronized(mPackages) { 12933 oldPackage = mPackages.get(pkgName); 12934 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12935 if (isEphemeral && !oldIsEphemeral) { 12936 // can't downgrade from full to ephemeral 12937 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12938 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 12939 return; 12940 } 12941 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12942 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12943 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12944 if (!checkUpgradeKeySetLP(ps, pkg)) { 12945 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12946 "New package not signed by keys specified by upgrade-keysets: " 12947 + pkgName); 12948 return; 12949 } 12950 } else { 12951 // default to original signature matching 12952 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12953 != PackageManager.SIGNATURE_MATCH) { 12954 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12955 "New package has a different signature: " + pkgName); 12956 return; 12957 } 12958 } 12959 12960 // In case of rollback, remember per-user/profile install state 12961 allUsers = sUserManager.getUserIds(); 12962 } 12963 12964 // Update what is removed 12965 res.removedInfo = new PackageRemovedInfo(); 12966 res.removedInfo.uid = oldPackage.applicationInfo.uid; 12967 res.removedInfo.removedPackage = oldPackage.packageName; 12968 res.removedInfo.isUpdate = true; 12969 final int childCount = (oldPackage.childPackages != null) 12970 ? oldPackage.childPackages.size() : 0; 12971 for (int i = 0; i < childCount; i++) { 12972 boolean childPackageUpdated = false; 12973 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 12974 if (res.addedChildPackages != null) { 12975 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 12976 if (childRes != null) { 12977 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 12978 childRes.removedInfo.removedPackage = childPkg.packageName; 12979 childRes.removedInfo.isUpdate = true; 12980 childPackageUpdated = true; 12981 } 12982 } 12983 if (!childPackageUpdated) { 12984 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 12985 childRemovedRes.removedPackage = childPkg.packageName; 12986 childRemovedRes.isUpdate = false; 12987 childRemovedRes.dataRemoved = true; 12988 synchronized (mPackages) { 12989 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 12990 if (childPs != null) { 12991 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 12992 } 12993 } 12994 if (res.removedInfo.removedChildPackages == null) { 12995 res.removedInfo.removedChildPackages = new ArrayMap<>(); 12996 } 12997 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 12998 } 12999 } 13000 13001 boolean sysPkg = (isSystemApp(oldPackage)); 13002 if (sysPkg) { 13003 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13004 user, allUsers, installerPackageName, res); 13005 } else { 13006 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13007 user, allUsers, installerPackageName, res); 13008 } 13009 } 13010 13011 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13012 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13013 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13014 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13015 + deletedPackage); 13016 13017 String pkgName = deletedPackage.packageName; 13018 boolean deletedPkg = true; 13019 boolean addedPkg = false; 13020 13021 final long origUpdateTime = (pkg.mExtras != null) 13022 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13023 13024 // First delete the existing package while retaining the data directory 13025 if (!deletePackageLI(pkgName, null, true, allUsers, PackageManager.DELETE_KEEP_DATA, 13026 res.removedInfo, true, pkg)) { 13027 // If the existing package wasn't successfully deleted 13028 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13029 deletedPkg = false; 13030 } else { 13031 // Successfully deleted the old package; proceed with replace. 13032 13033 // If deleted package lived in a container, give users a chance to 13034 // relinquish resources before killing. 13035 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13036 if (DEBUG_INSTALL) { 13037 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13038 } 13039 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13040 final ArrayList<String> pkgList = new ArrayList<String>(1); 13041 pkgList.add(deletedPackage.applicationInfo.packageName); 13042 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13043 } 13044 13045 deleteCodeCacheDirsLI(pkg); 13046 13047 try { 13048 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13049 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13050 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13051 prepareAppDataAfterInstall(newPackage); 13052 addedPkg = true; 13053 } catch (PackageManagerException e) { 13054 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13055 } 13056 } 13057 13058 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13059 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13060 13061 // Revert all internal state mutations and added folders for the failed install 13062 if (addedPkg) { 13063 deletePackageLI(pkgName, null, true, allUsers, PackageManager.DELETE_KEEP_DATA, 13064 res.removedInfo, true, null); 13065 } 13066 13067 // Restore the old package 13068 if (deletedPkg) { 13069 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13070 File restoreFile = new File(deletedPackage.codePath); 13071 // Parse old package 13072 boolean oldExternal = isExternal(deletedPackage); 13073 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13074 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13075 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13076 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13077 try { 13078 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13079 null); 13080 } catch (PackageManagerException e) { 13081 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13082 + e.getMessage()); 13083 return; 13084 } 13085 13086 synchronized (mPackages) { 13087 // Ensure the installer package name up to date 13088 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13089 13090 // Update permissions for restored package 13091 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13092 13093 mSettings.writeLPr(); 13094 } 13095 13096 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13097 } 13098 } else { 13099 synchronized (mPackages) { 13100 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13101 if (ps != null) { 13102 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13103 if (res.removedInfo.removedChildPackages != null) { 13104 final int childCount = res.removedInfo.removedChildPackages.size(); 13105 // Iterate in reverse as we may modify the collection 13106 for (int i = childCount - 1; i >= 0; i--) { 13107 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13108 if (res.addedChildPackages.containsKey(childPackageName)) { 13109 res.removedInfo.removedChildPackages.removeAt(i); 13110 } else { 13111 PackageRemovedInfo childInfo = res.removedInfo 13112 .removedChildPackages.valueAt(i); 13113 childInfo.removedForAllUsers = mPackages.get( 13114 childInfo.removedPackage) == null; 13115 } 13116 } 13117 } 13118 } 13119 } 13120 } 13121 } 13122 13123 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13124 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13125 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13126 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13127 + ", old=" + deletedPackage); 13128 13129 final boolean disabledSystem; 13130 13131 // Set the system/privileged flags as needed 13132 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13133 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13134 != 0) { 13135 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13136 } 13137 13138 // Kill package processes including services, providers, etc. 13139 killPackage(deletedPackage, "replace sys pkg"); 13140 13141 // Remove existing system package 13142 removePackageLI(deletedPackage, true); 13143 13144 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13145 if (!disabledSystem) { 13146 // We didn't need to disable the .apk as a current system package, 13147 // which means we are replacing another update that is already 13148 // installed. We need to make sure to delete the older one's .apk. 13149 res.removedInfo.args = createInstallArgsForExisting(0, 13150 deletedPackage.applicationInfo.getCodePath(), 13151 deletedPackage.applicationInfo.getResourcePath(), 13152 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13153 } else { 13154 res.removedInfo.args = null; 13155 } 13156 13157 // Successfully disabled the old package. Now proceed with re-installation 13158 deleteCodeCacheDirsLI(pkg); 13159 13160 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13161 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13162 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13163 13164 PackageParser.Package newPackage = null; 13165 try { 13166 // Add the package to the internal data structures 13167 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13168 13169 // Set the update and install times 13170 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13171 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13172 System.currentTimeMillis()); 13173 13174 // Check for shared user id changes 13175 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13176 deletedPackage, newPackage); 13177 if (invalidPackageName != null) { 13178 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13179 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13180 + " to " + invalidPackageName); 13181 } 13182 13183 // Update the package dynamic state if succeeded 13184 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13185 // Now that the install succeeded make sure we remove data 13186 // directories for any child package the update removed. 13187 final int deletedChildCount = (deletedPackage.childPackages != null) 13188 ? deletedPackage.childPackages.size() : 0; 13189 final int newChildCount = (newPackage.childPackages != null) 13190 ? newPackage.childPackages.size() : 0; 13191 for (int i = 0; i < deletedChildCount; i++) { 13192 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13193 boolean childPackageDeleted = true; 13194 for (int j = 0; j < newChildCount; j++) { 13195 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13196 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13197 childPackageDeleted = false; 13198 break; 13199 } 13200 } 13201 if (childPackageDeleted) { 13202 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13203 deletedChildPkg.packageName); 13204 if (ps != null && res.removedInfo.removedChildPackages != null) { 13205 PackageRemovedInfo removedChildRes = res.removedInfo 13206 .removedChildPackages.get(deletedChildPkg.packageName); 13207 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13208 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13209 } 13210 } 13211 } 13212 13213 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13214 prepareAppDataAfterInstall(newPackage); 13215 } 13216 } catch (PackageManagerException e) { 13217 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13218 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13219 } 13220 13221 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13222 // Re installation failed. Restore old information 13223 // Remove new pkg information 13224 if (newPackage != null) { 13225 removeInstalledPackageLI(newPackage, true); 13226 } 13227 // Add back the old system package 13228 try { 13229 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13230 } catch (PackageManagerException e) { 13231 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13232 } 13233 13234 synchronized (mPackages) { 13235 if (disabledSystem) { 13236 enableSystemPackageLPw(deletedPackage); 13237 } 13238 13239 // Ensure the installer package name up to date 13240 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13241 13242 // Update permissions for restored package 13243 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13244 13245 mSettings.writeLPr(); 13246 } 13247 13248 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13249 + " after failed upgrade"); 13250 } 13251 } 13252 13253 /** 13254 * Checks whether the parent or any of the child packages have a change shared 13255 * user. For a package to be a valid update the shred users of the parent and 13256 * the children should match. We may later support changing child shared users. 13257 * @param oldPkg The updated package. 13258 * @param newPkg The update package. 13259 * @return The shared user that change between the versions. 13260 */ 13261 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13262 PackageParser.Package newPkg) { 13263 // Check parent shared user 13264 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13265 return newPkg.packageName; 13266 } 13267 // Check child shared users 13268 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13269 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13270 for (int i = 0; i < newChildCount; i++) { 13271 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13272 // If this child was present, did it have the same shared user? 13273 for (int j = 0; j < oldChildCount; j++) { 13274 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13275 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13276 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13277 return newChildPkg.packageName; 13278 } 13279 } 13280 } 13281 return null; 13282 } 13283 13284 private void removeNativeBinariesLI(PackageParser.Package pkg) { 13285 // Remove the lib path for the parent package 13286 PackageSetting ps = (PackageSetting) pkg.mExtras; 13287 if (ps != null) { 13288 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13289 } 13290 // Remove the lib path for the child packages 13291 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13292 for (int i = 0; i < childCount; i++) { 13293 ps = (PackageSetting) pkg.childPackages.get(i).mExtras; 13294 if (ps != null) { 13295 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13296 } 13297 } 13298 } 13299 13300 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13301 // Enable the parent package 13302 mSettings.enableSystemPackageLPw(pkg.packageName); 13303 // Enable the child packages 13304 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13305 for (int i = 0; i < childCount; i++) { 13306 PackageParser.Package childPkg = pkg.childPackages.get(i); 13307 mSettings.enableSystemPackageLPw(childPkg.packageName); 13308 } 13309 } 13310 13311 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13312 PackageParser.Package newPkg) { 13313 // Disable the parent package (parent always replaced) 13314 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13315 // Disable the child packages 13316 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13317 for (int i = 0; i < childCount; i++) { 13318 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13319 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13320 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13321 } 13322 return disabled; 13323 } 13324 13325 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13326 String installerPackageName) { 13327 // Enable the parent package 13328 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13329 // Enable the child packages 13330 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13331 for (int i = 0; i < childCount; i++) { 13332 PackageParser.Package childPkg = pkg.childPackages.get(i); 13333 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13334 } 13335 } 13336 13337 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13338 // Collect all used permissions in the UID 13339 ArraySet<String> usedPermissions = new ArraySet<>(); 13340 final int packageCount = su.packages.size(); 13341 for (int i = 0; i < packageCount; i++) { 13342 PackageSetting ps = su.packages.valueAt(i); 13343 if (ps.pkg == null) { 13344 continue; 13345 } 13346 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13347 for (int j = 0; j < requestedPermCount; j++) { 13348 String permission = ps.pkg.requestedPermissions.get(j); 13349 BasePermission bp = mSettings.mPermissions.get(permission); 13350 if (bp != null) { 13351 usedPermissions.add(permission); 13352 } 13353 } 13354 } 13355 13356 PermissionsState permissionsState = su.getPermissionsState(); 13357 // Prune install permissions 13358 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13359 final int installPermCount = installPermStates.size(); 13360 for (int i = installPermCount - 1; i >= 0; i--) { 13361 PermissionState permissionState = installPermStates.get(i); 13362 if (!usedPermissions.contains(permissionState.getName())) { 13363 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13364 if (bp != null) { 13365 permissionsState.revokeInstallPermission(bp); 13366 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13367 PackageManager.MASK_PERMISSION_FLAGS, 0); 13368 } 13369 } 13370 } 13371 13372 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13373 13374 // Prune runtime permissions 13375 for (int userId : allUserIds) { 13376 List<PermissionState> runtimePermStates = permissionsState 13377 .getRuntimePermissionStates(userId); 13378 final int runtimePermCount = runtimePermStates.size(); 13379 for (int i = runtimePermCount - 1; i >= 0; i--) { 13380 PermissionState permissionState = runtimePermStates.get(i); 13381 if (!usedPermissions.contains(permissionState.getName())) { 13382 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13383 if (bp != null) { 13384 permissionsState.revokeRuntimePermission(bp, userId); 13385 permissionsState.updatePermissionFlags(bp, userId, 13386 PackageManager.MASK_PERMISSION_FLAGS, 0); 13387 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13388 runtimePermissionChangedUserIds, userId); 13389 } 13390 } 13391 } 13392 } 13393 13394 return runtimePermissionChangedUserIds; 13395 } 13396 13397 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13398 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13399 // Update the parent package setting 13400 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13401 res, user); 13402 // Update the child packages setting 13403 final int childCount = (newPackage.childPackages != null) 13404 ? newPackage.childPackages.size() : 0; 13405 for (int i = 0; i < childCount; i++) { 13406 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13407 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13408 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13409 childRes.origUsers, childRes, user); 13410 } 13411 } 13412 13413 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13414 String installerPackageName, int[] allUsers, int[] installedForUsers, 13415 PackageInstalledInfo res, UserHandle user) { 13416 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13417 13418 String pkgName = newPackage.packageName; 13419 synchronized (mPackages) { 13420 //write settings. the installStatus will be incomplete at this stage. 13421 //note that the new package setting would have already been 13422 //added to mPackages. It hasn't been persisted yet. 13423 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13424 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13425 mSettings.writeLPr(); 13426 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13427 } 13428 13429 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13430 synchronized (mPackages) { 13431 updatePermissionsLPw(newPackage.packageName, newPackage, 13432 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13433 ? UPDATE_PERMISSIONS_ALL : 0)); 13434 // For system-bundled packages, we assume that installing an upgraded version 13435 // of the package implies that the user actually wants to run that new code, 13436 // so we enable the package. 13437 PackageSetting ps = mSettings.mPackages.get(pkgName); 13438 final int userId = user.getIdentifier(); 13439 if (ps != null) { 13440 if (isSystemApp(newPackage)) { 13441 if (DEBUG_INSTALL) { 13442 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13443 } 13444 // Enable system package for requested users 13445 if (res.origUsers != null) { 13446 for (int origUserId : res.origUsers) { 13447 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13448 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13449 origUserId, installerPackageName); 13450 } 13451 } 13452 } 13453 // Also convey the prior install/uninstall state 13454 if (allUsers != null && installedForUsers != null) { 13455 for (int currentUserId : allUsers) { 13456 final boolean installed = ArrayUtils.contains( 13457 installedForUsers, currentUserId); 13458 if (DEBUG_INSTALL) { 13459 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13460 } 13461 ps.setInstalled(installed, currentUserId); 13462 } 13463 // these install state changes will be persisted in the 13464 // upcoming call to mSettings.writeLPr(). 13465 } 13466 } 13467 // It's implied that when a user requests installation, they want the app to be 13468 // installed and enabled. 13469 if (userId != UserHandle.USER_ALL) { 13470 ps.setInstalled(true, userId); 13471 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13472 } 13473 } 13474 res.name = pkgName; 13475 res.uid = newPackage.applicationInfo.uid; 13476 res.pkg = newPackage; 13477 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13478 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13479 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13480 //to update install status 13481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13482 mSettings.writeLPr(); 13483 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13484 } 13485 13486 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13487 } 13488 13489 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13490 try { 13491 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13492 installPackageLI(args, res); 13493 } finally { 13494 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13495 } 13496 } 13497 13498 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13499 final int installFlags = args.installFlags; 13500 final String installerPackageName = args.installerPackageName; 13501 final String volumeUuid = args.volumeUuid; 13502 final File tmpPackageFile = new File(args.getCodePath()); 13503 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13504 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13505 || (args.volumeUuid != null)); 13506 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13507 boolean replace = false; 13508 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13509 if (args.move != null) { 13510 // moving a complete application; perform an initial scan on the new install location 13511 scanFlags |= SCAN_INITIAL; 13512 } 13513 13514 // Result object to be returned 13515 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13516 13517 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13518 13519 // Sanity check 13520 if (ephemeral && (forwardLocked || onExternal)) { 13521 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13522 + " external=" + onExternal); 13523 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13524 return; 13525 } 13526 13527 // Retrieve PackageSettings and parse package 13528 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13529 | PackageParser.PARSE_ENFORCE_CODE 13530 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13531 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13532 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13533 PackageParser pp = new PackageParser(); 13534 pp.setSeparateProcesses(mSeparateProcesses); 13535 pp.setDisplayMetrics(mMetrics); 13536 13537 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13538 final PackageParser.Package pkg; 13539 try { 13540 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13541 } catch (PackageParserException e) { 13542 res.setError("Failed parse during installPackageLI", e); 13543 return; 13544 } finally { 13545 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13546 } 13547 13548 // If we are installing a clustered package add results for the children 13549 if (pkg.childPackages != null) { 13550 synchronized (mPackages) { 13551 final int childCount = pkg.childPackages.size(); 13552 for (int i = 0; i < childCount; i++) { 13553 PackageParser.Package childPkg = pkg.childPackages.get(i); 13554 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13555 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13556 childRes.pkg = childPkg; 13557 childRes.name = childPkg.packageName; 13558 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13559 if (childPs != null) { 13560 childRes.origUsers = childPs.queryInstalledUsers( 13561 sUserManager.getUserIds(), true); 13562 } 13563 if ((mPackages.containsKey(childPkg.packageName))) { 13564 childRes.removedInfo = new PackageRemovedInfo(); 13565 childRes.removedInfo.removedPackage = childPkg.packageName; 13566 } 13567 if (res.addedChildPackages == null) { 13568 res.addedChildPackages = new ArrayMap<>(); 13569 } 13570 res.addedChildPackages.put(childPkg.packageName, childRes); 13571 } 13572 } 13573 } 13574 13575 // If package doesn't declare API override, mark that we have an install 13576 // time CPU ABI override. 13577 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13578 pkg.cpuAbiOverride = args.abiOverride; 13579 } 13580 13581 String pkgName = res.name = pkg.packageName; 13582 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13583 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13584 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13585 return; 13586 } 13587 } 13588 13589 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13590 try { 13591 PackageParser.collectCertificates(pkg, parseFlags); 13592 } catch (PackageParserException e) { 13593 res.setError("Failed collect during installPackageLI", e); 13594 return; 13595 } finally { 13596 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13597 } 13598 13599 // Get rid of all references to package scan path via parser. 13600 pp = null; 13601 String oldCodePath = null; 13602 boolean systemApp = false; 13603 synchronized (mPackages) { 13604 // Check if installing already existing package 13605 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13606 String oldName = mSettings.mRenamedPackages.get(pkgName); 13607 if (pkg.mOriginalPackages != null 13608 && pkg.mOriginalPackages.contains(oldName) 13609 && mPackages.containsKey(oldName)) { 13610 // This package is derived from an original package, 13611 // and this device has been updating from that original 13612 // name. We must continue using the original name, so 13613 // rename the new package here. 13614 pkg.setPackageName(oldName); 13615 pkgName = pkg.packageName; 13616 replace = true; 13617 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13618 + oldName + " pkgName=" + pkgName); 13619 } else if (mPackages.containsKey(pkgName)) { 13620 // This package, under its official name, already exists 13621 // on the device; we should replace it. 13622 replace = true; 13623 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13624 } 13625 13626 // Child packages are installed through the parent package 13627 if (pkg.parentPackage != null) { 13628 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13629 "Package " + pkg.packageName + " is child of package " 13630 + pkg.parentPackage.parentPackage + ". Child packages " 13631 + "can be updated only through the parent package."); 13632 return; 13633 } 13634 13635 if (replace) { 13636 // Prevent apps opting out from runtime permissions 13637 PackageParser.Package oldPackage = mPackages.get(pkgName); 13638 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13639 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13640 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13641 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13642 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13643 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13644 + " doesn't support runtime permissions but the old" 13645 + " target SDK " + oldTargetSdk + " does."); 13646 return; 13647 } 13648 13649 // Prevent installing of child packages 13650 if (oldPackage.parentPackage != null) { 13651 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13652 "Package " + pkg.packageName + " is child of package " 13653 + oldPackage.parentPackage + ". Child packages " 13654 + "can be updated only through the parent package."); 13655 return; 13656 } 13657 } 13658 } 13659 13660 PackageSetting ps = mSettings.mPackages.get(pkgName); 13661 if (ps != null) { 13662 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13663 13664 // Quick sanity check that we're signed correctly if updating; 13665 // we'll check this again later when scanning, but we want to 13666 // bail early here before tripping over redefined permissions. 13667 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13668 if (!checkUpgradeKeySetLP(ps, pkg)) { 13669 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13670 + pkg.packageName + " upgrade keys do not match the " 13671 + "previously installed version"); 13672 return; 13673 } 13674 } else { 13675 try { 13676 verifySignaturesLP(ps, pkg); 13677 } catch (PackageManagerException e) { 13678 res.setError(e.error, e.getMessage()); 13679 return; 13680 } 13681 } 13682 13683 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13684 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13685 systemApp = (ps.pkg.applicationInfo.flags & 13686 ApplicationInfo.FLAG_SYSTEM) != 0; 13687 } 13688 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13689 } 13690 13691 // Check whether the newly-scanned package wants to define an already-defined perm 13692 int N = pkg.permissions.size(); 13693 for (int i = N-1; i >= 0; i--) { 13694 PackageParser.Permission perm = pkg.permissions.get(i); 13695 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13696 if (bp != null) { 13697 // If the defining package is signed with our cert, it's okay. This 13698 // also includes the "updating the same package" case, of course. 13699 // "updating same package" could also involve key-rotation. 13700 final boolean sigsOk; 13701 if (bp.sourcePackage.equals(pkg.packageName) 13702 && (bp.packageSetting instanceof PackageSetting) 13703 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13704 scanFlags))) { 13705 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13706 } else { 13707 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13708 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13709 } 13710 if (!sigsOk) { 13711 // If the owning package is the system itself, we log but allow 13712 // install to proceed; we fail the install on all other permission 13713 // redefinitions. 13714 if (!bp.sourcePackage.equals("android")) { 13715 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13716 + pkg.packageName + " attempting to redeclare permission " 13717 + perm.info.name + " already owned by " + bp.sourcePackage); 13718 res.origPermission = perm.info.name; 13719 res.origPackage = bp.sourcePackage; 13720 return; 13721 } else { 13722 Slog.w(TAG, "Package " + pkg.packageName 13723 + " attempting to redeclare system permission " 13724 + perm.info.name + "; ignoring new declaration"); 13725 pkg.permissions.remove(i); 13726 } 13727 } 13728 } 13729 } 13730 } 13731 13732 if (systemApp) { 13733 if (onExternal) { 13734 // Abort update; system app can't be replaced with app on sdcard 13735 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13736 "Cannot install updates to system apps on sdcard"); 13737 return; 13738 } else if (ephemeral) { 13739 // Abort update; system app can't be replaced with an ephemeral app 13740 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13741 "Cannot update a system app with an ephemeral app"); 13742 return; 13743 } 13744 } 13745 13746 if (args.move != null) { 13747 // We did an in-place move, so dex is ready to roll 13748 scanFlags |= SCAN_NO_DEX; 13749 scanFlags |= SCAN_MOVE; 13750 13751 synchronized (mPackages) { 13752 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13753 if (ps == null) { 13754 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13755 "Missing settings for moved package " + pkgName); 13756 } 13757 13758 // We moved the entire application as-is, so bring over the 13759 // previously derived ABI information. 13760 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13761 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13762 } 13763 13764 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13765 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13766 scanFlags |= SCAN_NO_DEX; 13767 13768 try { 13769 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13770 args.abiOverride : pkg.cpuAbiOverride); 13771 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13772 true /* extract libs */); 13773 } catch (PackageManagerException pme) { 13774 Slog.e(TAG, "Error deriving application ABI", pme); 13775 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13776 return; 13777 } 13778 13779 // Extract package to save the VM unzipping the APK in memory during 13780 // launch. Only do this if profile-guided compilation is enabled because 13781 // otherwise BackgroundDexOptService will not dexopt the package later. 13782 if (mUseJitProfiles) { 13783 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13784 // Do not run PackageDexOptimizer through the local performDexOpt 13785 // method because `pkg` is not in `mPackages` yet. 13786 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13787 false /* useProfiles */, true /* extractOnly */); 13788 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13789 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13790 String msg = "Extracking package failed for " + pkgName; 13791 res.setError(INSTALL_FAILED_DEXOPT, msg); 13792 return; 13793 } 13794 } 13795 } 13796 13797 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13798 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13799 return; 13800 } 13801 13802 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13803 13804 if (replace) { 13805 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13806 installerPackageName, res); 13807 } else { 13808 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13809 args.user, installerPackageName, volumeUuid, res); 13810 } 13811 synchronized (mPackages) { 13812 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13813 if (ps != null) { 13814 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13815 } 13816 13817 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13818 for (int i = 0; i < childCount; i++) { 13819 PackageParser.Package childPkg = pkg.childPackages.get(i); 13820 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13821 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13822 if (childPs != null) { 13823 childRes.newUsers = childPs.queryInstalledUsers( 13824 sUserManager.getUserIds(), true); 13825 } 13826 } 13827 } 13828 } 13829 13830 private void startIntentFilterVerifications(int userId, boolean replacing, 13831 PackageParser.Package pkg) { 13832 if (mIntentFilterVerifierComponent == null) { 13833 Slog.w(TAG, "No IntentFilter verification will not be done as " 13834 + "there is no IntentFilterVerifier available!"); 13835 return; 13836 } 13837 13838 final int verifierUid = getPackageUid( 13839 mIntentFilterVerifierComponent.getPackageName(), 13840 MATCH_DEBUG_TRIAGED_MISSING, 13841 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13842 13843 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13844 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13845 mHandler.sendMessage(msg); 13846 13847 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13848 for (int i = 0; i < childCount; i++) { 13849 PackageParser.Package childPkg = pkg.childPackages.get(i); 13850 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13851 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 13852 mHandler.sendMessage(msg); 13853 } 13854 } 13855 13856 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13857 PackageParser.Package pkg) { 13858 int size = pkg.activities.size(); 13859 if (size == 0) { 13860 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13861 "No activity, so no need to verify any IntentFilter!"); 13862 return; 13863 } 13864 13865 final boolean hasDomainURLs = hasDomainURLs(pkg); 13866 if (!hasDomainURLs) { 13867 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13868 "No domain URLs, so no need to verify any IntentFilter!"); 13869 return; 13870 } 13871 13872 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13873 + " if any IntentFilter from the " + size 13874 + " Activities needs verification ..."); 13875 13876 int count = 0; 13877 final String packageName = pkg.packageName; 13878 13879 synchronized (mPackages) { 13880 // If this is a new install and we see that we've already run verification for this 13881 // package, we have nothing to do: it means the state was restored from backup. 13882 if (!replacing) { 13883 IntentFilterVerificationInfo ivi = 13884 mSettings.getIntentFilterVerificationLPr(packageName); 13885 if (ivi != null) { 13886 if (DEBUG_DOMAIN_VERIFICATION) { 13887 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13888 + ivi.getStatusString()); 13889 } 13890 return; 13891 } 13892 } 13893 13894 // If any filters need to be verified, then all need to be. 13895 boolean needToVerify = false; 13896 for (PackageParser.Activity a : pkg.activities) { 13897 for (ActivityIntentInfo filter : a.intents) { 13898 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13899 if (DEBUG_DOMAIN_VERIFICATION) { 13900 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13901 } 13902 needToVerify = true; 13903 break; 13904 } 13905 } 13906 } 13907 13908 if (needToVerify) { 13909 final int verificationId = mIntentFilterVerificationToken++; 13910 for (PackageParser.Activity a : pkg.activities) { 13911 for (ActivityIntentInfo filter : a.intents) { 13912 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13913 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13914 "Verification needed for IntentFilter:" + filter.toString()); 13915 mIntentFilterVerifier.addOneIntentFilterVerification( 13916 verifierUid, userId, verificationId, filter, packageName); 13917 count++; 13918 } 13919 } 13920 } 13921 } 13922 } 13923 13924 if (count > 0) { 13925 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13926 + " IntentFilter verification" + (count > 1 ? "s" : "") 13927 + " for userId:" + userId); 13928 mIntentFilterVerifier.startVerifications(userId); 13929 } else { 13930 if (DEBUG_DOMAIN_VERIFICATION) { 13931 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13932 } 13933 } 13934 } 13935 13936 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13937 final ComponentName cn = filter.activity.getComponentName(); 13938 final String packageName = cn.getPackageName(); 13939 13940 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13941 packageName); 13942 if (ivi == null) { 13943 return true; 13944 } 13945 int status = ivi.getStatus(); 13946 switch (status) { 13947 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13948 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13949 return true; 13950 13951 default: 13952 // Nothing to do 13953 return false; 13954 } 13955 } 13956 13957 private static boolean isMultiArch(ApplicationInfo info) { 13958 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13959 } 13960 13961 private static boolean isExternal(PackageParser.Package pkg) { 13962 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13963 } 13964 13965 private static boolean isExternal(PackageSetting ps) { 13966 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13967 } 13968 13969 private static boolean isEphemeral(PackageParser.Package pkg) { 13970 return pkg.applicationInfo.isEphemeralApp(); 13971 } 13972 13973 private static boolean isEphemeral(PackageSetting ps) { 13974 return ps.pkg != null && isEphemeral(ps.pkg); 13975 } 13976 13977 private static boolean isSystemApp(PackageParser.Package pkg) { 13978 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13979 } 13980 13981 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13982 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13983 } 13984 13985 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13986 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13987 } 13988 13989 private static boolean isSystemApp(PackageSetting ps) { 13990 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13991 } 13992 13993 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13994 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13995 } 13996 13997 private int packageFlagsToInstallFlags(PackageSetting ps) { 13998 int installFlags = 0; 13999 if (isEphemeral(ps)) { 14000 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14001 } 14002 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14003 // This existing package was an external ASEC install when we have 14004 // the external flag without a UUID 14005 installFlags |= PackageManager.INSTALL_EXTERNAL; 14006 } 14007 if (ps.isForwardLocked()) { 14008 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14009 } 14010 return installFlags; 14011 } 14012 14013 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14014 if (isExternal(pkg)) { 14015 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14016 return StorageManager.UUID_PRIMARY_PHYSICAL; 14017 } else { 14018 return pkg.volumeUuid; 14019 } 14020 } else { 14021 return StorageManager.UUID_PRIVATE_INTERNAL; 14022 } 14023 } 14024 14025 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14026 if (isExternal(pkg)) { 14027 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14028 return mSettings.getExternalVersion(); 14029 } else { 14030 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14031 } 14032 } else { 14033 return mSettings.getInternalVersion(); 14034 } 14035 } 14036 14037 private void deleteTempPackageFiles() { 14038 final FilenameFilter filter = new FilenameFilter() { 14039 public boolean accept(File dir, String name) { 14040 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14041 } 14042 }; 14043 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14044 file.delete(); 14045 } 14046 } 14047 14048 @Override 14049 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14050 int flags) { 14051 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14052 flags); 14053 } 14054 14055 @Override 14056 public void deletePackage(final String packageName, 14057 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14058 mContext.enforceCallingOrSelfPermission( 14059 android.Manifest.permission.DELETE_PACKAGES, null); 14060 Preconditions.checkNotNull(packageName); 14061 Preconditions.checkNotNull(observer); 14062 final int uid = Binder.getCallingUid(); 14063 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14064 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14065 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14066 mContext.enforceCallingOrSelfPermission( 14067 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14068 "deletePackage for user " + userId); 14069 } 14070 14071 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14072 try { 14073 observer.onPackageDeleted(packageName, 14074 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14075 } catch (RemoteException re) { 14076 } 14077 return; 14078 } 14079 14080 for (int currentUserId : users) { 14081 if (getBlockUninstallForUser(packageName, currentUserId)) { 14082 try { 14083 observer.onPackageDeleted(packageName, 14084 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14085 } catch (RemoteException re) { 14086 } 14087 return; 14088 } 14089 } 14090 14091 if (DEBUG_REMOVE) { 14092 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 14093 } 14094 // Queue up an async operation since the package deletion may take a little while. 14095 mHandler.post(new Runnable() { 14096 public void run() { 14097 mHandler.removeCallbacks(this); 14098 final int returnCode = deletePackageX(packageName, userId, flags); 14099 try { 14100 observer.onPackageDeleted(packageName, returnCode, null); 14101 } catch (RemoteException e) { 14102 Log.i(TAG, "Observer no longer exists."); 14103 } //end catch 14104 } //end run 14105 }); 14106 } 14107 14108 @Override 14109 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14110 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14111 } 14112 14113 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14114 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14115 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14116 try { 14117 if (dpm != null) { 14118 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14119 /* callingUserOnly =*/ false); 14120 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14121 : deviceOwnerComponentName.getPackageName(); 14122 // Does the package contains the device owner? 14123 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14124 // this check is probably not needed, since DO should be registered as a device 14125 // admin on some user too. (Original bug for this: b/17657954) 14126 if (packageName.equals(deviceOwnerPackageName)) { 14127 return true; 14128 } 14129 // Does it contain a device admin for any user? 14130 int[] users; 14131 if (userId == UserHandle.USER_ALL) { 14132 users = sUserManager.getUserIds(); 14133 } else { 14134 users = new int[]{userId}; 14135 } 14136 for (int i = 0; i < users.length; ++i) { 14137 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14138 return true; 14139 } 14140 } 14141 } 14142 } catch (RemoteException e) { 14143 } 14144 return false; 14145 } 14146 14147 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14148 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14149 } 14150 14151 /** 14152 * This method is an internal method that could be get invoked either 14153 * to delete an installed package or to clean up a failed installation. 14154 * After deleting an installed package, a broadcast is sent to notify any 14155 * listeners that the package has been installed. For cleaning up a failed 14156 * installation, the broadcast is not necessary since the package's 14157 * installation wouldn't have sent the initial broadcast either 14158 * The key steps in deleting a package are 14159 * deleting the package information in internal structures like mPackages, 14160 * deleting the packages base directories through installd 14161 * updating mSettings to reflect current status 14162 * persisting settings for later use 14163 * sending a broadcast if necessary 14164 */ 14165 private int deletePackageX(String packageName, int userId, int flags) { 14166 final PackageRemovedInfo info = new PackageRemovedInfo(); 14167 final boolean res; 14168 14169 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14170 ? UserHandle.ALL : new UserHandle(userId); 14171 14172 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14173 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14174 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14175 } 14176 14177 PackageSetting uninstalledPs = null; 14178 14179 // for the uninstall-updates case and restricted profiles, remember the per- 14180 // user handle installed state 14181 int[] allUsers; 14182 synchronized (mPackages) { 14183 uninstalledPs = mSettings.mPackages.get(packageName); 14184 if (uninstalledPs == null) { 14185 Slog.w(TAG, "Not removing non-existent package " + packageName); 14186 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14187 } 14188 allUsers = sUserManager.getUserIds(); 14189 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14190 } 14191 14192 synchronized (mInstallLock) { 14193 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14194 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14195 flags | REMOVE_CHATTY, info, true, null); 14196 synchronized (mPackages) { 14197 if (res) { 14198 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14199 } 14200 } 14201 } 14202 14203 if (res) { 14204 info.sendPackageRemovedBroadcasts(); 14205 info.sendSystemPackageUpdatedBroadcasts(); 14206 info.sendSystemPackageAppearedBroadcasts(); 14207 } 14208 // Force a gc here. 14209 Runtime.getRuntime().gc(); 14210 // Delete the resources here after sending the broadcast to let 14211 // other processes clean up before deleting resources. 14212 if (info.args != null) { 14213 synchronized (mInstallLock) { 14214 info.args.doPostDeleteLI(true); 14215 } 14216 } 14217 14218 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14219 } 14220 14221 class PackageRemovedInfo { 14222 String removedPackage; 14223 int uid = -1; 14224 int removedAppId = -1; 14225 int[] origUsers; 14226 int[] removedUsers = null; 14227 boolean isRemovedPackageSystemUpdate = false; 14228 boolean isUpdate; 14229 boolean dataRemoved; 14230 boolean removedForAllUsers; 14231 // Clean up resources deleted packages. 14232 InstallArgs args = null; 14233 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14234 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14235 14236 void sendPackageRemovedBroadcasts() { 14237 sendPackageRemovedBroadcastInternal(); 14238 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14239 for (int i = 0; i < childCount; i++) { 14240 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14241 childInfo.sendPackageRemovedBroadcastInternal(); 14242 } 14243 } 14244 14245 void sendSystemPackageUpdatedBroadcasts() { 14246 if (isRemovedPackageSystemUpdate) { 14247 sendSystemPackageUpdatedBroadcastsInternal(); 14248 final int childCount = (removedChildPackages != null) 14249 ? removedChildPackages.size() : 0; 14250 for (int i = 0; i < childCount; i++) { 14251 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14252 if (childInfo.isRemovedPackageSystemUpdate) { 14253 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14254 } 14255 } 14256 } 14257 } 14258 14259 void sendSystemPackageAppearedBroadcasts() { 14260 final int packageCount = (appearedChildPackages != null) 14261 ? appearedChildPackages.size() : 0; 14262 for (int i = 0; i < packageCount; i++) { 14263 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14264 for (int userId : installedInfo.newUsers) { 14265 sendPackageAddedForUser(installedInfo.name, true, 14266 UserHandle.getAppId(installedInfo.uid), userId); 14267 } 14268 } 14269 } 14270 14271 private void sendSystemPackageUpdatedBroadcastsInternal() { 14272 Bundle extras = new Bundle(2); 14273 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14274 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14275 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14276 extras, 0, null, null, null); 14277 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14278 extras, 0, null, null, null); 14279 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14280 null, 0, removedPackage, null, null); 14281 } 14282 14283 private void sendPackageRemovedBroadcastInternal() { 14284 Bundle extras = new Bundle(2); 14285 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14286 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14287 if (isUpdate || isRemovedPackageSystemUpdate) { 14288 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14289 } 14290 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14291 if (removedPackage != null) { 14292 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14293 extras, 0, null, null, removedUsers); 14294 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14295 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14296 removedPackage, extras, 0, null, null, removedUsers); 14297 } 14298 } 14299 if (removedAppId >= 0) { 14300 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14301 removedUsers); 14302 } 14303 } 14304 } 14305 14306 /* 14307 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14308 * flag is not set, the data directory is removed as well. 14309 * make sure this flag is set for partially installed apps. If not its meaningless to 14310 * delete a partially installed application. 14311 */ 14312 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14313 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14314 String packageName = ps.name; 14315 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14316 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14317 // Retrieve object to delete permissions for shared user later on 14318 final PackageSetting deletedPs; 14319 // reader 14320 synchronized (mPackages) { 14321 deletedPs = mSettings.mPackages.get(packageName); 14322 if (outInfo != null) { 14323 outInfo.removedPackage = packageName; 14324 outInfo.removedUsers = deletedPs != null 14325 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14326 : null; 14327 } 14328 } 14329 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14330 removeDataDirsLI(ps.volumeUuid, packageName); 14331 if (outInfo != null) { 14332 outInfo.dataRemoved = true; 14333 } 14334 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14335 } 14336 // writer 14337 synchronized (mPackages) { 14338 if (deletedPs != null) { 14339 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14340 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14341 clearDefaultBrowserIfNeeded(packageName); 14342 if (outInfo != null) { 14343 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14344 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14345 } 14346 updatePermissionsLPw(deletedPs.name, null, 0); 14347 if (deletedPs.sharedUser != null) { 14348 // Remove permissions associated with package. Since runtime 14349 // permissions are per user we have to kill the removed package 14350 // or packages running under the shared user of the removed 14351 // package if revoking the permissions requested only by the removed 14352 // package is successful and this causes a change in gids. 14353 for (int userId : UserManagerService.getInstance().getUserIds()) { 14354 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14355 userId); 14356 if (userIdToKill == UserHandle.USER_ALL 14357 || userIdToKill >= UserHandle.USER_SYSTEM) { 14358 // If gids changed for this user, kill all affected packages. 14359 mHandler.post(new Runnable() { 14360 @Override 14361 public void run() { 14362 // This has to happen with no lock held. 14363 killApplication(deletedPs.name, deletedPs.appId, 14364 KILL_APP_REASON_GIDS_CHANGED); 14365 } 14366 }); 14367 break; 14368 } 14369 } 14370 } 14371 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14372 } 14373 // make sure to preserve per-user disabled state if this removal was just 14374 // a downgrade of a system app to the factory package 14375 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14376 if (DEBUG_REMOVE) { 14377 Slog.d(TAG, "Propagating install state across downgrade"); 14378 } 14379 for (int userId : allUserHandles) { 14380 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14381 if (DEBUG_REMOVE) { 14382 Slog.d(TAG, " user " + userId + " => " + installed); 14383 } 14384 ps.setInstalled(installed, userId); 14385 } 14386 } 14387 } 14388 // can downgrade to reader 14389 if (writeSettings) { 14390 // Save settings now 14391 mSettings.writeLPr(); 14392 } 14393 } 14394 if (outInfo != null) { 14395 // A user ID was deleted here. Go through all users and remove it 14396 // from KeyStore. 14397 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14398 } 14399 } 14400 14401 static boolean locationIsPrivileged(File path) { 14402 try { 14403 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14404 .getCanonicalPath(); 14405 return path.getCanonicalPath().startsWith(privilegedAppDir); 14406 } catch (IOException e) { 14407 Slog.e(TAG, "Unable to access code path " + path); 14408 } 14409 return false; 14410 } 14411 14412 /* 14413 * Tries to delete system package. 14414 */ 14415 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14416 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14417 boolean writeSettings) { 14418 if (deletedPkg.parentPackage != null) { 14419 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14420 return false; 14421 } 14422 14423 final boolean applyUserRestrictions 14424 = (allUserHandles != null) && (outInfo.origUsers != null); 14425 final PackageSetting disabledPs; 14426 // Confirm if the system package has been updated 14427 // An updated system app can be deleted. This will also have to restore 14428 // the system pkg from system partition 14429 // reader 14430 synchronized (mPackages) { 14431 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPkg.packageName); 14432 } 14433 14434 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14435 + " disabledPs=" + disabledPs); 14436 14437 if (disabledPs == null) { 14438 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14439 return false; 14440 } else if (DEBUG_REMOVE) { 14441 Slog.d(TAG, "Deleting system pkg from data partition"); 14442 } 14443 14444 if (DEBUG_REMOVE) { 14445 if (applyUserRestrictions) { 14446 Slog.d(TAG, "Remembering install states:"); 14447 for (int userId : allUserHandles) { 14448 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14449 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14450 } 14451 } 14452 } 14453 14454 // Delete the updated package 14455 outInfo.isRemovedPackageSystemUpdate = true; 14456 if (outInfo.removedChildPackages != null) { 14457 final int childCount = (deletedPkg.childPackages != null) 14458 ? deletedPkg.childPackages.size() : 0; 14459 for (int i = 0; i < childCount; i++) { 14460 String childPackageName = deletedPkg.childPackages.get(i).packageName; 14461 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14462 .contains(childPackageName)) { 14463 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14464 childPackageName); 14465 if (childInfo != null) { 14466 childInfo.isRemovedPackageSystemUpdate = true; 14467 } 14468 } 14469 } 14470 } 14471 14472 if (disabledPs.versionCode < deletedPs.versionCode) { 14473 // Delete data for downgrades 14474 flags &= ~PackageManager.DELETE_KEEP_DATA; 14475 } else { 14476 // Preserve data by setting flag 14477 flags |= PackageManager.DELETE_KEEP_DATA; 14478 } 14479 14480 boolean ret = deleteInstalledPackageLI(deletedPkg, true, flags, allUserHandles, 14481 outInfo, writeSettings, disabledPs.pkg); 14482 if (!ret) { 14483 return false; 14484 } 14485 14486 // writer 14487 synchronized (mPackages) { 14488 // Reinstate the old system package 14489 enableSystemPackageLPw(disabledPs.pkg); 14490 // Remove any native libraries from the upgraded package. 14491 removeNativeBinariesLI(deletedPkg); 14492 } 14493 14494 // Install the system package 14495 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14496 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14497 if (locationIsPrivileged(disabledPs.codePath)) { 14498 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14499 } 14500 14501 final PackageParser.Package newPkg; 14502 try { 14503 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14504 } catch (PackageManagerException e) { 14505 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14506 + e.getMessage()); 14507 return false; 14508 } 14509 14510 prepareAppDataAfterInstall(newPkg); 14511 14512 // writer 14513 synchronized (mPackages) { 14514 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14515 14516 // Propagate the permissions state as we do not want to drop on the floor 14517 // runtime permissions. The update permissions method below will take 14518 // care of removing obsolete permissions and grant install permissions. 14519 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14520 updatePermissionsLPw(newPkg.packageName, newPkg, 14521 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14522 14523 if (applyUserRestrictions) { 14524 if (DEBUG_REMOVE) { 14525 Slog.d(TAG, "Propagating install state across reinstall"); 14526 } 14527 for (int userId : allUserHandles) { 14528 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14529 if (DEBUG_REMOVE) { 14530 Slog.d(TAG, " user " + userId + " => " + installed); 14531 } 14532 ps.setInstalled(installed, userId); 14533 14534 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14535 } 14536 // Regardless of writeSettings we need to ensure that this restriction 14537 // state propagation is persisted 14538 mSettings.writeAllUsersPackageRestrictionsLPr(); 14539 } 14540 // can downgrade to reader here 14541 if (writeSettings) { 14542 mSettings.writeLPr(); 14543 } 14544 } 14545 return true; 14546 } 14547 14548 private boolean deleteInstalledPackageLI(PackageParser.Package pkg, 14549 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14550 PackageRemovedInfo outInfo, boolean writeSettings, 14551 PackageParser.Package replacingPackage) { 14552 PackageSetting ps = null; 14553 14554 synchronized (mPackages) { 14555 pkg = mPackages.get(pkg.packageName); 14556 if (pkg == null) { 14557 return false; 14558 } 14559 14560 ps = mSettings.mPackages.get(pkg.packageName); 14561 if (ps == null) { 14562 return false; 14563 } 14564 14565 if (outInfo != null) { 14566 outInfo.uid = ps.appId; 14567 } 14568 14569 if (outInfo != null && outInfo.removedChildPackages != null) { 14570 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14571 for (int i = 0; i < childCount; i++) { 14572 String childPackageName = ps.childPackageNames.get(i); 14573 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14574 if (childPs == null) { 14575 return false; 14576 } 14577 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14578 childPackageName); 14579 if (childInfo != null) { 14580 childInfo.uid = childPs.appId; 14581 } 14582 } 14583 } 14584 } 14585 14586 // Delete package data from internal structures and also remove data if flag is set 14587 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14588 14589 // Delete the child packages data 14590 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14591 for (int i = 0; i < childCount; i++) { 14592 PackageSetting childPs; 14593 synchronized (mPackages) { 14594 childPs = mSettings.peekPackageLPr(pkg.childPackages.get(i).packageName); 14595 } 14596 if (childPs != null) { 14597 PackageRemovedInfo childOutInfo = (outInfo != null 14598 && outInfo.removedChildPackages != null) 14599 ? outInfo.removedChildPackages.get(childPs.name) : null; 14600 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14601 && (replacingPackage != null 14602 && !replacingPackage.hasChildPackage(childPs.name)) 14603 ? flags & ~DELETE_KEEP_DATA : flags; 14604 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14605 deleteFlags, writeSettings); 14606 } 14607 } 14608 14609 // Delete application code and resources only for parent packages 14610 if (ps.pkg.parentPackage == null) { 14611 if (deleteCodeAndResources && (outInfo != null)) { 14612 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14613 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14614 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14615 } 14616 } 14617 14618 return true; 14619 } 14620 14621 @Override 14622 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14623 int userId) { 14624 mContext.enforceCallingOrSelfPermission( 14625 android.Manifest.permission.DELETE_PACKAGES, null); 14626 synchronized (mPackages) { 14627 PackageSetting ps = mSettings.mPackages.get(packageName); 14628 if (ps == null) { 14629 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14630 return false; 14631 } 14632 if (!ps.getInstalled(userId)) { 14633 // Can't block uninstall for an app that is not installed or enabled. 14634 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14635 return false; 14636 } 14637 ps.setBlockUninstall(blockUninstall, userId); 14638 mSettings.writePackageRestrictionsLPr(userId); 14639 } 14640 return true; 14641 } 14642 14643 @Override 14644 public boolean getBlockUninstallForUser(String packageName, int userId) { 14645 synchronized (mPackages) { 14646 PackageSetting ps = mSettings.mPackages.get(packageName); 14647 if (ps == null) { 14648 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14649 return false; 14650 } 14651 return ps.getBlockUninstall(userId); 14652 } 14653 } 14654 14655 @Override 14656 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14657 int callingUid = Binder.getCallingUid(); 14658 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14659 throw new SecurityException( 14660 "setRequiredForSystemUser can only be run by the system or root"); 14661 } 14662 synchronized (mPackages) { 14663 PackageSetting ps = mSettings.mPackages.get(packageName); 14664 if (ps == null) { 14665 Log.w(TAG, "Package doesn't exist: " + packageName); 14666 return false; 14667 } 14668 if (systemUserApp) { 14669 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14670 } else { 14671 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14672 } 14673 mSettings.writeLPr(); 14674 } 14675 return true; 14676 } 14677 14678 /* 14679 * This method handles package deletion in general 14680 */ 14681 private boolean deletePackageLI(String packageName, UserHandle user, 14682 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14683 PackageRemovedInfo outInfo, boolean writeSettings, 14684 PackageParser.Package replacingPackage) { 14685 if (packageName == null) { 14686 Slog.w(TAG, "Attempt to delete null packageName."); 14687 return false; 14688 } 14689 14690 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14691 14692 PackageSetting ps; 14693 14694 synchronized (mPackages) { 14695 ps = mSettings.mPackages.get(packageName); 14696 if (ps == null) { 14697 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14698 return false; 14699 } 14700 14701 if (ps.pkg.parentPackage != null && (!isSystemApp(ps) 14702 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14703 if (DEBUG_REMOVE) { 14704 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14705 + ((user == null) ? UserHandle.USER_ALL : user)); 14706 } 14707 final int removedUserId = (user != null) ? user.getIdentifier() 14708 : UserHandle.USER_ALL; 14709 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 14710 return false; 14711 } 14712 markPackageUninstalledForUserLPw(ps, user); 14713 scheduleWritePackageRestrictionsLocked(user); 14714 return true; 14715 } 14716 } 14717 14718 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14719 && user.getIdentifier() != UserHandle.USER_ALL)) { 14720 // The caller is asking that the package only be deleted for a single 14721 // user. To do this, we just mark its uninstalled state and delete 14722 // its data. If this is a system app, we only allow this to happen if 14723 // they have set the special DELETE_SYSTEM_APP which requests different 14724 // semantics than normal for uninstalling system apps. 14725 markPackageUninstalledForUserLPw(ps, user); 14726 14727 if (!isSystemApp(ps)) { 14728 // Do not uninstall the APK if an app should be cached 14729 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14730 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14731 // Other user still have this package installed, so all 14732 // we need to do is clear this user's data and save that 14733 // it is uninstalled. 14734 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14735 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14736 return false; 14737 } 14738 scheduleWritePackageRestrictionsLocked(user); 14739 return true; 14740 } else { 14741 // We need to set it back to 'installed' so the uninstall 14742 // broadcasts will be sent correctly. 14743 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14744 ps.setInstalled(true, user.getIdentifier()); 14745 } 14746 } else { 14747 // This is a system app, so we assume that the 14748 // other users still have this package installed, so all 14749 // we need to do is clear this user's data and save that 14750 // it is uninstalled. 14751 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14752 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14753 return false; 14754 } 14755 scheduleWritePackageRestrictionsLocked(user); 14756 return true; 14757 } 14758 } 14759 14760 // If we are deleting a composite package for all users, keep track 14761 // of result for each child. 14762 if (ps.childPackageNames != null && outInfo != null) { 14763 synchronized (mPackages) { 14764 final int childCount = ps.childPackageNames.size(); 14765 outInfo.removedChildPackages = new ArrayMap<>(childCount); 14766 for (int i = 0; i < childCount; i++) { 14767 String childPackageName = ps.childPackageNames.get(i); 14768 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 14769 childInfo.removedPackage = childPackageName; 14770 outInfo.removedChildPackages.put(childPackageName, childInfo); 14771 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14772 if (childPs != null) { 14773 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 14774 } 14775 } 14776 } 14777 } 14778 14779 boolean ret = false; 14780 if (isSystemApp(ps)) { 14781 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 14782 // When an updated system application is deleted we delete the existing resources 14783 // as well and fall back to existing code in system partition 14784 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 14785 } else { 14786 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 14787 // Kill application pre-emptively especially for apps on sd. 14788 killApplication(packageName, ps.appId, "uninstall pkg"); 14789 ret = deleteInstalledPackageLI(ps.pkg, deleteCodeAndResources, flags, allUserHandles, 14790 outInfo, writeSettings, replacingPackage); 14791 } 14792 14793 // Take a note whether we deleted the package for all users 14794 if (outInfo != null) { 14795 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 14796 if (outInfo.removedChildPackages != null) { 14797 synchronized (mPackages) { 14798 final int childCount = outInfo.removedChildPackages.size(); 14799 for (int i = 0; i < childCount; i++) { 14800 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 14801 if (childInfo != null) { 14802 childInfo.removedForAllUsers = mPackages.get( 14803 childInfo.removedPackage) == null; 14804 } 14805 } 14806 } 14807 } 14808 // If we uninstalled an update to a system app there may be some 14809 // child packages that appeared as they are declared in the system 14810 // app but were not declared in the update. 14811 if (isSystemApp(ps)) { 14812 synchronized (mPackages) { 14813 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 14814 final int childCount = (updatedPs.childPackageNames != null) 14815 ? updatedPs.childPackageNames.size() : 0; 14816 for (int i = 0; i < childCount; i++) { 14817 String childPackageName = updatedPs.childPackageNames.get(i); 14818 if (outInfo.removedChildPackages == null 14819 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 14820 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 14821 if (childPs == null) { 14822 continue; 14823 } 14824 PackageInstalledInfo installRes = new PackageInstalledInfo(); 14825 installRes.name = childPackageName; 14826 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 14827 installRes.pkg = mPackages.get(childPackageName); 14828 installRes.uid = childPs.pkg.applicationInfo.uid; 14829 if (outInfo.appearedChildPackages == null) { 14830 outInfo.appearedChildPackages = new ArrayMap<>(); 14831 } 14832 outInfo.appearedChildPackages.put(childPackageName, installRes); 14833 } 14834 } 14835 } 14836 } 14837 } 14838 14839 return ret; 14840 } 14841 14842 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 14843 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 14844 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 14845 for (int nextUserId : userIds) { 14846 if (DEBUG_REMOVE) { 14847 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 14848 } 14849 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 14850 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 14851 false /*hidden*/, false /*suspended*/, null, null, null, 14852 false /*blockUninstall*/, 14853 ps.readUserState(nextUserId).domainVerificationStatus, 0); 14854 } 14855 } 14856 14857 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 14858 PackageRemovedInfo outInfo) { 14859 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 14860 : new int[] {userId}; 14861 for (int nextUserId : userIds) { 14862 if (DEBUG_REMOVE) { 14863 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 14864 + nextUserId); 14865 } 14866 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 14867 try { 14868 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 14869 } catch (InstallerException e) { 14870 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 14871 return false; 14872 } 14873 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 14874 schedulePackageCleaning(ps.name, nextUserId, false); 14875 synchronized (mPackages) { 14876 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 14877 scheduleWritePackageRestrictionsLocked(nextUserId); 14878 } 14879 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 14880 } 14881 } 14882 14883 if (outInfo != null) { 14884 outInfo.removedPackage = ps.name; 14885 outInfo.removedAppId = ps.appId; 14886 outInfo.removedUsers = userIds; 14887 } 14888 14889 return true; 14890 } 14891 14892 private final class ClearStorageConnection implements ServiceConnection { 14893 IMediaContainerService mContainerService; 14894 14895 @Override 14896 public void onServiceConnected(ComponentName name, IBinder service) { 14897 synchronized (this) { 14898 mContainerService = IMediaContainerService.Stub.asInterface(service); 14899 notifyAll(); 14900 } 14901 } 14902 14903 @Override 14904 public void onServiceDisconnected(ComponentName name) { 14905 } 14906 } 14907 14908 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 14909 final boolean mounted; 14910 if (Environment.isExternalStorageEmulated()) { 14911 mounted = true; 14912 } else { 14913 final String status = Environment.getExternalStorageState(); 14914 14915 mounted = status.equals(Environment.MEDIA_MOUNTED) 14916 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 14917 } 14918 14919 if (!mounted) { 14920 return; 14921 } 14922 14923 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 14924 int[] users; 14925 if (userId == UserHandle.USER_ALL) { 14926 users = sUserManager.getUserIds(); 14927 } else { 14928 users = new int[] { userId }; 14929 } 14930 final ClearStorageConnection conn = new ClearStorageConnection(); 14931 if (mContext.bindServiceAsUser( 14932 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 14933 try { 14934 for (int curUser : users) { 14935 long timeout = SystemClock.uptimeMillis() + 5000; 14936 synchronized (conn) { 14937 long now = SystemClock.uptimeMillis(); 14938 while (conn.mContainerService == null && now < timeout) { 14939 try { 14940 conn.wait(timeout - now); 14941 } catch (InterruptedException e) { 14942 } 14943 } 14944 } 14945 if (conn.mContainerService == null) { 14946 return; 14947 } 14948 14949 final UserEnvironment userEnv = new UserEnvironment(curUser); 14950 clearDirectory(conn.mContainerService, 14951 userEnv.buildExternalStorageAppCacheDirs(packageName)); 14952 if (allData) { 14953 clearDirectory(conn.mContainerService, 14954 userEnv.buildExternalStorageAppDataDirs(packageName)); 14955 clearDirectory(conn.mContainerService, 14956 userEnv.buildExternalStorageAppMediaDirs(packageName)); 14957 } 14958 } 14959 } finally { 14960 mContext.unbindService(conn); 14961 } 14962 } 14963 } 14964 14965 @Override 14966 public void clearApplicationUserData(final String packageName, 14967 final IPackageDataObserver observer, final int userId) { 14968 mContext.enforceCallingOrSelfPermission( 14969 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 14970 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 14971 // Queue up an async operation since the package deletion may take a little while. 14972 mHandler.post(new Runnable() { 14973 public void run() { 14974 mHandler.removeCallbacks(this); 14975 final boolean succeeded; 14976 synchronized (mInstallLock) { 14977 succeeded = clearApplicationUserDataLI(packageName, userId); 14978 } 14979 clearExternalStorageDataSync(packageName, userId, true); 14980 if (succeeded) { 14981 // invoke DeviceStorageMonitor's update method to clear any notifications 14982 DeviceStorageMonitorInternal 14983 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 14984 if (dsm != null) { 14985 dsm.checkMemory(); 14986 } 14987 } 14988 if(observer != null) { 14989 try { 14990 observer.onRemoveCompleted(packageName, succeeded); 14991 } catch (RemoteException e) { 14992 Log.i(TAG, "Observer no longer exists."); 14993 } 14994 } //end if observer 14995 } //end run 14996 }); 14997 } 14998 14999 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15000 if (packageName == null) { 15001 Slog.w(TAG, "Attempt to delete null packageName."); 15002 return false; 15003 } 15004 15005 // Try finding details about the requested package 15006 PackageParser.Package pkg; 15007 synchronized (mPackages) { 15008 pkg = mPackages.get(packageName); 15009 if (pkg == null) { 15010 final PackageSetting ps = mSettings.mPackages.get(packageName); 15011 if (ps != null) { 15012 pkg = ps.pkg; 15013 } 15014 } 15015 15016 if (pkg == null) { 15017 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15018 return false; 15019 } 15020 15021 PackageSetting ps = (PackageSetting) pkg.mExtras; 15022 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15023 } 15024 15025 // Always delete data directories for package, even if we found no other 15026 // record of app. This helps users recover from UID mismatches without 15027 // resorting to a full data wipe. 15028 // TODO: triage flags as part of 26466827 15029 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15030 try { 15031 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15032 } catch (InstallerException e) { 15033 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15034 return false; 15035 } 15036 15037 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15038 removeKeystoreDataIfNeeded(userId, appId); 15039 15040 // Create a native library symlink only if we have native libraries 15041 // and if the native libraries are 32 bit libraries. We do not provide 15042 // this symlink for 64 bit libraries. 15043 if (pkg.applicationInfo.primaryCpuAbi != null && 15044 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15045 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15046 try { 15047 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15048 nativeLibPath, userId); 15049 } catch (InstallerException e) { 15050 Slog.w(TAG, "Failed linking native library dir", e); 15051 return false; 15052 } 15053 } 15054 15055 return true; 15056 } 15057 15058 /** 15059 * Reverts user permission state changes (permissions and flags) in 15060 * all packages for a given user. 15061 * 15062 * @param userId The device user for which to do a reset. 15063 */ 15064 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15065 final int packageCount = mPackages.size(); 15066 for (int i = 0; i < packageCount; i++) { 15067 PackageParser.Package pkg = mPackages.valueAt(i); 15068 PackageSetting ps = (PackageSetting) pkg.mExtras; 15069 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15070 } 15071 } 15072 15073 /** 15074 * Reverts user permission state changes (permissions and flags). 15075 * 15076 * @param ps The package for which to reset. 15077 * @param userId The device user for which to do a reset. 15078 */ 15079 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15080 final PackageSetting ps, final int userId) { 15081 if (ps.pkg == null) { 15082 return; 15083 } 15084 15085 // These are flags that can change base on user actions. 15086 final int userSettableMask = FLAG_PERMISSION_USER_SET 15087 | FLAG_PERMISSION_USER_FIXED 15088 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15089 | FLAG_PERMISSION_REVIEW_REQUIRED; 15090 15091 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15092 | FLAG_PERMISSION_POLICY_FIXED; 15093 15094 boolean writeInstallPermissions = false; 15095 boolean writeRuntimePermissions = false; 15096 15097 final int permissionCount = ps.pkg.requestedPermissions.size(); 15098 for (int i = 0; i < permissionCount; i++) { 15099 String permission = ps.pkg.requestedPermissions.get(i); 15100 15101 BasePermission bp = mSettings.mPermissions.get(permission); 15102 if (bp == null) { 15103 continue; 15104 } 15105 15106 // If shared user we just reset the state to which only this app contributed. 15107 if (ps.sharedUser != null) { 15108 boolean used = false; 15109 final int packageCount = ps.sharedUser.packages.size(); 15110 for (int j = 0; j < packageCount; j++) { 15111 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15112 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15113 && pkg.pkg.requestedPermissions.contains(permission)) { 15114 used = true; 15115 break; 15116 } 15117 } 15118 if (used) { 15119 continue; 15120 } 15121 } 15122 15123 PermissionsState permissionsState = ps.getPermissionsState(); 15124 15125 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15126 15127 // Always clear the user settable flags. 15128 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15129 bp.name) != null; 15130 // If permission review is enabled and this is a legacy app, mark the 15131 // permission as requiring a review as this is the initial state. 15132 int flags = 0; 15133 if (Build.PERMISSIONS_REVIEW_REQUIRED 15134 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15135 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15136 } 15137 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15138 if (hasInstallState) { 15139 writeInstallPermissions = true; 15140 } else { 15141 writeRuntimePermissions = true; 15142 } 15143 } 15144 15145 // Below is only runtime permission handling. 15146 if (!bp.isRuntime()) { 15147 continue; 15148 } 15149 15150 // Never clobber system or policy. 15151 if ((oldFlags & policyOrSystemFlags) != 0) { 15152 continue; 15153 } 15154 15155 // If this permission was granted by default, make sure it is. 15156 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15157 if (permissionsState.grantRuntimePermission(bp, userId) 15158 != PERMISSION_OPERATION_FAILURE) { 15159 writeRuntimePermissions = true; 15160 } 15161 // If permission review is enabled the permissions for a legacy apps 15162 // are represented as constantly granted runtime ones, so don't revoke. 15163 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15164 // Otherwise, reset the permission. 15165 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15166 switch (revokeResult) { 15167 case PERMISSION_OPERATION_SUCCESS: { 15168 writeRuntimePermissions = true; 15169 } break; 15170 15171 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15172 writeRuntimePermissions = true; 15173 final int appId = ps.appId; 15174 mHandler.post(new Runnable() { 15175 @Override 15176 public void run() { 15177 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15178 } 15179 }); 15180 } break; 15181 } 15182 } 15183 } 15184 15185 // Synchronously write as we are taking permissions away. 15186 if (writeRuntimePermissions) { 15187 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15188 } 15189 15190 // Synchronously write as we are taking permissions away. 15191 if (writeInstallPermissions) { 15192 mSettings.writeLPr(); 15193 } 15194 } 15195 15196 /** 15197 * Remove entries from the keystore daemon. Will only remove it if the 15198 * {@code appId} is valid. 15199 */ 15200 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15201 if (appId < 0) { 15202 return; 15203 } 15204 15205 final KeyStore keyStore = KeyStore.getInstance(); 15206 if (keyStore != null) { 15207 if (userId == UserHandle.USER_ALL) { 15208 for (final int individual : sUserManager.getUserIds()) { 15209 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15210 } 15211 } else { 15212 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15213 } 15214 } else { 15215 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15216 } 15217 } 15218 15219 @Override 15220 public void deleteApplicationCacheFiles(final String packageName, 15221 final IPackageDataObserver observer) { 15222 mContext.enforceCallingOrSelfPermission( 15223 android.Manifest.permission.DELETE_CACHE_FILES, null); 15224 // Queue up an async operation since the package deletion may take a little while. 15225 final int userId = UserHandle.getCallingUserId(); 15226 mHandler.post(new Runnable() { 15227 public void run() { 15228 mHandler.removeCallbacks(this); 15229 final boolean succeded; 15230 synchronized (mInstallLock) { 15231 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15232 } 15233 clearExternalStorageDataSync(packageName, userId, false); 15234 if (observer != null) { 15235 try { 15236 observer.onRemoveCompleted(packageName, succeded); 15237 } catch (RemoteException e) { 15238 Log.i(TAG, "Observer no longer exists."); 15239 } 15240 } //end if observer 15241 } //end run 15242 }); 15243 } 15244 15245 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15246 if (packageName == null) { 15247 Slog.w(TAG, "Attempt to delete null packageName."); 15248 return false; 15249 } 15250 PackageParser.Package p; 15251 synchronized (mPackages) { 15252 p = mPackages.get(packageName); 15253 } 15254 if (p == null) { 15255 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15256 return false; 15257 } 15258 final ApplicationInfo applicationInfo = p.applicationInfo; 15259 if (applicationInfo == null) { 15260 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15261 return false; 15262 } 15263 // TODO: triage flags as part of 26466827 15264 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15265 try { 15266 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15267 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15268 } catch (InstallerException e) { 15269 Slog.w(TAG, "Couldn't remove cache files for package " 15270 + packageName + " u" + userId, e); 15271 return false; 15272 } 15273 return true; 15274 } 15275 15276 @Override 15277 public void getPackageSizeInfo(final String packageName, int userHandle, 15278 final IPackageStatsObserver observer) { 15279 mContext.enforceCallingOrSelfPermission( 15280 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15281 if (packageName == null) { 15282 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15283 } 15284 15285 PackageStats stats = new PackageStats(packageName, userHandle); 15286 15287 /* 15288 * Queue up an async operation since the package measurement may take a 15289 * little while. 15290 */ 15291 Message msg = mHandler.obtainMessage(INIT_COPY); 15292 msg.obj = new MeasureParams(stats, observer); 15293 mHandler.sendMessage(msg); 15294 } 15295 15296 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15297 PackageStats pStats) { 15298 if (packageName == null) { 15299 Slog.w(TAG, "Attempt to get size of null packageName."); 15300 return false; 15301 } 15302 PackageParser.Package p; 15303 boolean dataOnly = false; 15304 String libDirRoot = null; 15305 String asecPath = null; 15306 PackageSetting ps = null; 15307 synchronized (mPackages) { 15308 p = mPackages.get(packageName); 15309 ps = mSettings.mPackages.get(packageName); 15310 if(p == null) { 15311 dataOnly = true; 15312 if((ps == null) || (ps.pkg == null)) { 15313 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15314 return false; 15315 } 15316 p = ps.pkg; 15317 } 15318 if (ps != null) { 15319 libDirRoot = ps.legacyNativeLibraryPathString; 15320 } 15321 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15322 final long token = Binder.clearCallingIdentity(); 15323 try { 15324 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15325 if (secureContainerId != null) { 15326 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15327 } 15328 } finally { 15329 Binder.restoreCallingIdentity(token); 15330 } 15331 } 15332 } 15333 String publicSrcDir = null; 15334 if(!dataOnly) { 15335 final ApplicationInfo applicationInfo = p.applicationInfo; 15336 if (applicationInfo == null) { 15337 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15338 return false; 15339 } 15340 if (p.isForwardLocked()) { 15341 publicSrcDir = applicationInfo.getBaseResourcePath(); 15342 } 15343 } 15344 // TODO: extend to measure size of split APKs 15345 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15346 // not just the first level. 15347 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15348 // just the primary. 15349 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15350 15351 String apkPath; 15352 File packageDir = new File(p.codePath); 15353 15354 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15355 apkPath = packageDir.getAbsolutePath(); 15356 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15357 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15358 libDirRoot = null; 15359 } 15360 } else { 15361 apkPath = p.baseCodePath; 15362 } 15363 15364 // TODO: triage flags as part of 26466827 15365 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15366 try { 15367 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15368 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15369 } catch (InstallerException e) { 15370 return false; 15371 } 15372 15373 // Fix-up for forward-locked applications in ASEC containers. 15374 if (!isExternal(p)) { 15375 pStats.codeSize += pStats.externalCodeSize; 15376 pStats.externalCodeSize = 0L; 15377 } 15378 15379 return true; 15380 } 15381 15382 15383 @Override 15384 public void addPackageToPreferred(String packageName) { 15385 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 15386 } 15387 15388 @Override 15389 public void removePackageFromPreferred(String packageName) { 15390 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 15391 } 15392 15393 @Override 15394 public List<PackageInfo> getPreferredPackages(int flags) { 15395 return new ArrayList<PackageInfo>(); 15396 } 15397 15398 private int getUidTargetSdkVersionLockedLPr(int uid) { 15399 Object obj = mSettings.getUserIdLPr(uid); 15400 if (obj instanceof SharedUserSetting) { 15401 final SharedUserSetting sus = (SharedUserSetting) obj; 15402 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15403 final Iterator<PackageSetting> it = sus.packages.iterator(); 15404 while (it.hasNext()) { 15405 final PackageSetting ps = it.next(); 15406 if (ps.pkg != null) { 15407 int v = ps.pkg.applicationInfo.targetSdkVersion; 15408 if (v < vers) vers = v; 15409 } 15410 } 15411 return vers; 15412 } else if (obj instanceof PackageSetting) { 15413 final PackageSetting ps = (PackageSetting) obj; 15414 if (ps.pkg != null) { 15415 return ps.pkg.applicationInfo.targetSdkVersion; 15416 } 15417 } 15418 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15419 } 15420 15421 @Override 15422 public void addPreferredActivity(IntentFilter filter, int match, 15423 ComponentName[] set, ComponentName activity, int userId) { 15424 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15425 "Adding preferred"); 15426 } 15427 15428 private void addPreferredActivityInternal(IntentFilter filter, int match, 15429 ComponentName[] set, ComponentName activity, boolean always, int userId, 15430 String opname) { 15431 // writer 15432 int callingUid = Binder.getCallingUid(); 15433 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 15434 if (filter.countActions() == 0) { 15435 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15436 return; 15437 } 15438 synchronized (mPackages) { 15439 if (mContext.checkCallingOrSelfPermission( 15440 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15441 != PackageManager.PERMISSION_GRANTED) { 15442 if (getUidTargetSdkVersionLockedLPr(callingUid) 15443 < Build.VERSION_CODES.FROYO) { 15444 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15445 + callingUid); 15446 return; 15447 } 15448 mContext.enforceCallingOrSelfPermission( 15449 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15450 } 15451 15452 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15453 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15454 + userId + ":"); 15455 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15456 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15457 scheduleWritePackageRestrictionsLocked(userId); 15458 } 15459 } 15460 15461 @Override 15462 public void replacePreferredActivity(IntentFilter filter, int match, 15463 ComponentName[] set, ComponentName activity, int userId) { 15464 if (filter.countActions() != 1) { 15465 throw new IllegalArgumentException( 15466 "replacePreferredActivity expects filter to have only 1 action."); 15467 } 15468 if (filter.countDataAuthorities() != 0 15469 || filter.countDataPaths() != 0 15470 || filter.countDataSchemes() > 1 15471 || filter.countDataTypes() != 0) { 15472 throw new IllegalArgumentException( 15473 "replacePreferredActivity expects filter to have no data authorities, " + 15474 "paths, or types; and at most one scheme."); 15475 } 15476 15477 final int callingUid = Binder.getCallingUid(); 15478 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 15479 synchronized (mPackages) { 15480 if (mContext.checkCallingOrSelfPermission( 15481 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15482 != PackageManager.PERMISSION_GRANTED) { 15483 if (getUidTargetSdkVersionLockedLPr(callingUid) 15484 < Build.VERSION_CODES.FROYO) { 15485 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15486 + Binder.getCallingUid()); 15487 return; 15488 } 15489 mContext.enforceCallingOrSelfPermission( 15490 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15491 } 15492 15493 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15494 if (pir != null) { 15495 // Get all of the existing entries that exactly match this filter. 15496 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15497 if (existing != null && existing.size() == 1) { 15498 PreferredActivity cur = existing.get(0); 15499 if (DEBUG_PREFERRED) { 15500 Slog.i(TAG, "Checking replace of preferred:"); 15501 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15502 if (!cur.mPref.mAlways) { 15503 Slog.i(TAG, " -- CUR; not mAlways!"); 15504 } else { 15505 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15506 Slog.i(TAG, " -- CUR: mSet=" 15507 + Arrays.toString(cur.mPref.mSetComponents)); 15508 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15509 Slog.i(TAG, " -- NEW: mMatch=" 15510 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15511 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15512 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15513 } 15514 } 15515 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15516 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15517 && cur.mPref.sameSet(set)) { 15518 // Setting the preferred activity to what it happens to be already 15519 if (DEBUG_PREFERRED) { 15520 Slog.i(TAG, "Replacing with same preferred activity " 15521 + cur.mPref.mShortComponent + " for user " 15522 + userId + ":"); 15523 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15524 } 15525 return; 15526 } 15527 } 15528 15529 if (existing != null) { 15530 if (DEBUG_PREFERRED) { 15531 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15532 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15533 } 15534 for (int i = 0; i < existing.size(); i++) { 15535 PreferredActivity pa = existing.get(i); 15536 if (DEBUG_PREFERRED) { 15537 Slog.i(TAG, "Removing existing preferred activity " 15538 + pa.mPref.mComponent + ":"); 15539 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15540 } 15541 pir.removeFilter(pa); 15542 } 15543 } 15544 } 15545 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15546 "Replacing preferred"); 15547 } 15548 } 15549 15550 @Override 15551 public void clearPackagePreferredActivities(String packageName) { 15552 final int uid = Binder.getCallingUid(); 15553 // writer 15554 synchronized (mPackages) { 15555 PackageParser.Package pkg = mPackages.get(packageName); 15556 if (pkg == null || pkg.applicationInfo.uid != uid) { 15557 if (mContext.checkCallingOrSelfPermission( 15558 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15559 != PackageManager.PERMISSION_GRANTED) { 15560 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15561 < Build.VERSION_CODES.FROYO) { 15562 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15563 + Binder.getCallingUid()); 15564 return; 15565 } 15566 mContext.enforceCallingOrSelfPermission( 15567 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15568 } 15569 } 15570 15571 int user = UserHandle.getCallingUserId(); 15572 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15573 scheduleWritePackageRestrictionsLocked(user); 15574 } 15575 } 15576 } 15577 15578 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15579 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15580 ArrayList<PreferredActivity> removed = null; 15581 boolean changed = false; 15582 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15583 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15584 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15585 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15586 continue; 15587 } 15588 Iterator<PreferredActivity> it = pir.filterIterator(); 15589 while (it.hasNext()) { 15590 PreferredActivity pa = it.next(); 15591 // Mark entry for removal only if it matches the package name 15592 // and the entry is of type "always". 15593 if (packageName == null || 15594 (pa.mPref.mComponent.getPackageName().equals(packageName) 15595 && pa.mPref.mAlways)) { 15596 if (removed == null) { 15597 removed = new ArrayList<PreferredActivity>(); 15598 } 15599 removed.add(pa); 15600 } 15601 } 15602 if (removed != null) { 15603 for (int j=0; j<removed.size(); j++) { 15604 PreferredActivity pa = removed.get(j); 15605 pir.removeFilter(pa); 15606 } 15607 changed = true; 15608 } 15609 } 15610 return changed; 15611 } 15612 15613 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15614 private void clearIntentFilterVerificationsLPw(int userId) { 15615 final int packageCount = mPackages.size(); 15616 for (int i = 0; i < packageCount; i++) { 15617 PackageParser.Package pkg = mPackages.valueAt(i); 15618 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15619 } 15620 } 15621 15622 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15623 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15624 if (userId == UserHandle.USER_ALL) { 15625 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15626 sUserManager.getUserIds())) { 15627 for (int oneUserId : sUserManager.getUserIds()) { 15628 scheduleWritePackageRestrictionsLocked(oneUserId); 15629 } 15630 } 15631 } else { 15632 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15633 scheduleWritePackageRestrictionsLocked(userId); 15634 } 15635 } 15636 } 15637 15638 void clearDefaultBrowserIfNeeded(String packageName) { 15639 for (int oneUserId : sUserManager.getUserIds()) { 15640 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15641 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15642 if (packageName.equals(defaultBrowserPackageName)) { 15643 setDefaultBrowserPackageName(null, oneUserId); 15644 } 15645 } 15646 } 15647 15648 @Override 15649 public void resetApplicationPreferences(int userId) { 15650 mContext.enforceCallingOrSelfPermission( 15651 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15652 // writer 15653 synchronized (mPackages) { 15654 final long identity = Binder.clearCallingIdentity(); 15655 try { 15656 clearPackagePreferredActivitiesLPw(null, userId); 15657 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15658 // TODO: We have to reset the default SMS and Phone. This requires 15659 // significant refactoring to keep all default apps in the package 15660 // manager (cleaner but more work) or have the services provide 15661 // callbacks to the package manager to request a default app reset. 15662 applyFactoryDefaultBrowserLPw(userId); 15663 clearIntentFilterVerificationsLPw(userId); 15664 primeDomainVerificationsLPw(userId); 15665 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15666 scheduleWritePackageRestrictionsLocked(userId); 15667 } finally { 15668 Binder.restoreCallingIdentity(identity); 15669 } 15670 } 15671 } 15672 15673 @Override 15674 public int getPreferredActivities(List<IntentFilter> outFilters, 15675 List<ComponentName> outActivities, String packageName) { 15676 15677 int num = 0; 15678 final int userId = UserHandle.getCallingUserId(); 15679 // reader 15680 synchronized (mPackages) { 15681 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15682 if (pir != null) { 15683 final Iterator<PreferredActivity> it = pir.filterIterator(); 15684 while (it.hasNext()) { 15685 final PreferredActivity pa = it.next(); 15686 if (packageName == null 15687 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15688 && pa.mPref.mAlways)) { 15689 if (outFilters != null) { 15690 outFilters.add(new IntentFilter(pa)); 15691 } 15692 if (outActivities != null) { 15693 outActivities.add(pa.mPref.mComponent); 15694 } 15695 } 15696 } 15697 } 15698 } 15699 15700 return num; 15701 } 15702 15703 @Override 15704 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15705 int userId) { 15706 int callingUid = Binder.getCallingUid(); 15707 if (callingUid != Process.SYSTEM_UID) { 15708 throw new SecurityException( 15709 "addPersistentPreferredActivity can only be run by the system"); 15710 } 15711 if (filter.countActions() == 0) { 15712 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15713 return; 15714 } 15715 synchronized (mPackages) { 15716 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15717 ":"); 15718 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15719 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15720 new PersistentPreferredActivity(filter, activity)); 15721 scheduleWritePackageRestrictionsLocked(userId); 15722 } 15723 } 15724 15725 @Override 15726 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15727 int callingUid = Binder.getCallingUid(); 15728 if (callingUid != Process.SYSTEM_UID) { 15729 throw new SecurityException( 15730 "clearPackagePersistentPreferredActivities can only be run by the system"); 15731 } 15732 ArrayList<PersistentPreferredActivity> removed = null; 15733 boolean changed = false; 15734 synchronized (mPackages) { 15735 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15736 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15737 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15738 .valueAt(i); 15739 if (userId != thisUserId) { 15740 continue; 15741 } 15742 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15743 while (it.hasNext()) { 15744 PersistentPreferredActivity ppa = it.next(); 15745 // Mark entry for removal only if it matches the package name. 15746 if (ppa.mComponent.getPackageName().equals(packageName)) { 15747 if (removed == null) { 15748 removed = new ArrayList<PersistentPreferredActivity>(); 15749 } 15750 removed.add(ppa); 15751 } 15752 } 15753 if (removed != null) { 15754 for (int j=0; j<removed.size(); j++) { 15755 PersistentPreferredActivity ppa = removed.get(j); 15756 ppir.removeFilter(ppa); 15757 } 15758 changed = true; 15759 } 15760 } 15761 15762 if (changed) { 15763 scheduleWritePackageRestrictionsLocked(userId); 15764 } 15765 } 15766 } 15767 15768 /** 15769 * Common machinery for picking apart a restored XML blob and passing 15770 * it to a caller-supplied functor to be applied to the running system. 15771 */ 15772 private void restoreFromXml(XmlPullParser parser, int userId, 15773 String expectedStartTag, BlobXmlRestorer functor) 15774 throws IOException, XmlPullParserException { 15775 int type; 15776 while ((type = parser.next()) != XmlPullParser.START_TAG 15777 && type != XmlPullParser.END_DOCUMENT) { 15778 } 15779 if (type != XmlPullParser.START_TAG) { 15780 // oops didn't find a start tag?! 15781 if (DEBUG_BACKUP) { 15782 Slog.e(TAG, "Didn't find start tag during restore"); 15783 } 15784 return; 15785 } 15786Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 15787 // this is supposed to be TAG_PREFERRED_BACKUP 15788 if (!expectedStartTag.equals(parser.getName())) { 15789 if (DEBUG_BACKUP) { 15790 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 15791 } 15792 return; 15793 } 15794 15795 // skip interfering stuff, then we're aligned with the backing implementation 15796 while ((type = parser.next()) == XmlPullParser.TEXT) { } 15797Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 15798 functor.apply(parser, userId); 15799 } 15800 15801 private interface BlobXmlRestorer { 15802 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 15803 } 15804 15805 /** 15806 * Non-Binder method, support for the backup/restore mechanism: write the 15807 * full set of preferred activities in its canonical XML format. Returns the 15808 * XML output as a byte array, or null if there is none. 15809 */ 15810 @Override 15811 public byte[] getPreferredActivityBackup(int userId) { 15812 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15813 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 15814 } 15815 15816 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15817 try { 15818 final XmlSerializer serializer = new FastXmlSerializer(); 15819 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15820 serializer.startDocument(null, true); 15821 serializer.startTag(null, TAG_PREFERRED_BACKUP); 15822 15823 synchronized (mPackages) { 15824 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 15825 } 15826 15827 serializer.endTag(null, TAG_PREFERRED_BACKUP); 15828 serializer.endDocument(); 15829 serializer.flush(); 15830 } catch (Exception e) { 15831 if (DEBUG_BACKUP) { 15832 Slog.e(TAG, "Unable to write preferred activities for backup", e); 15833 } 15834 return null; 15835 } 15836 15837 return dataStream.toByteArray(); 15838 } 15839 15840 @Override 15841 public void restorePreferredActivities(byte[] backup, int userId) { 15842 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15843 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15844 } 15845 15846 try { 15847 final XmlPullParser parser = Xml.newPullParser(); 15848 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15849 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 15850 new BlobXmlRestorer() { 15851 @Override 15852 public void apply(XmlPullParser parser, int userId) 15853 throws XmlPullParserException, IOException { 15854 synchronized (mPackages) { 15855 mSettings.readPreferredActivitiesLPw(parser, userId); 15856 } 15857 } 15858 } ); 15859 } catch (Exception e) { 15860 if (DEBUG_BACKUP) { 15861 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15862 } 15863 } 15864 } 15865 15866 /** 15867 * Non-Binder method, support for the backup/restore mechanism: write the 15868 * default browser (etc) settings in its canonical XML format. Returns the default 15869 * browser XML representation as a byte array, or null if there is none. 15870 */ 15871 @Override 15872 public byte[] getDefaultAppsBackup(int userId) { 15873 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15874 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 15875 } 15876 15877 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15878 try { 15879 final XmlSerializer serializer = new FastXmlSerializer(); 15880 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15881 serializer.startDocument(null, true); 15882 serializer.startTag(null, TAG_DEFAULT_APPS); 15883 15884 synchronized (mPackages) { 15885 mSettings.writeDefaultAppsLPr(serializer, userId); 15886 } 15887 15888 serializer.endTag(null, TAG_DEFAULT_APPS); 15889 serializer.endDocument(); 15890 serializer.flush(); 15891 } catch (Exception e) { 15892 if (DEBUG_BACKUP) { 15893 Slog.e(TAG, "Unable to write default apps for backup", e); 15894 } 15895 return null; 15896 } 15897 15898 return dataStream.toByteArray(); 15899 } 15900 15901 @Override 15902 public void restoreDefaultApps(byte[] backup, int userId) { 15903 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15904 throw new SecurityException("Only the system may call restoreDefaultApps()"); 15905 } 15906 15907 try { 15908 final XmlPullParser parser = Xml.newPullParser(); 15909 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15910 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 15911 new BlobXmlRestorer() { 15912 @Override 15913 public void apply(XmlPullParser parser, int userId) 15914 throws XmlPullParserException, IOException { 15915 synchronized (mPackages) { 15916 mSettings.readDefaultAppsLPw(parser, userId); 15917 } 15918 } 15919 } ); 15920 } catch (Exception e) { 15921 if (DEBUG_BACKUP) { 15922 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 15923 } 15924 } 15925 } 15926 15927 @Override 15928 public byte[] getIntentFilterVerificationBackup(int userId) { 15929 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15930 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 15931 } 15932 15933 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15934 try { 15935 final XmlSerializer serializer = new FastXmlSerializer(); 15936 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15937 serializer.startDocument(null, true); 15938 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 15939 15940 synchronized (mPackages) { 15941 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 15942 } 15943 15944 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 15945 serializer.endDocument(); 15946 serializer.flush(); 15947 } catch (Exception e) { 15948 if (DEBUG_BACKUP) { 15949 Slog.e(TAG, "Unable to write default apps for backup", e); 15950 } 15951 return null; 15952 } 15953 15954 return dataStream.toByteArray(); 15955 } 15956 15957 @Override 15958 public void restoreIntentFilterVerification(byte[] backup, int userId) { 15959 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15960 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15961 } 15962 15963 try { 15964 final XmlPullParser parser = Xml.newPullParser(); 15965 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15966 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 15967 new BlobXmlRestorer() { 15968 @Override 15969 public void apply(XmlPullParser parser, int userId) 15970 throws XmlPullParserException, IOException { 15971 synchronized (mPackages) { 15972 mSettings.readAllDomainVerificationsLPr(parser, userId); 15973 mSettings.writeLPr(); 15974 } 15975 } 15976 } ); 15977 } catch (Exception e) { 15978 if (DEBUG_BACKUP) { 15979 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15980 } 15981 } 15982 } 15983 15984 @Override 15985 public byte[] getPermissionGrantBackup(int userId) { 15986 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15987 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 15988 } 15989 15990 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15991 try { 15992 final XmlSerializer serializer = new FastXmlSerializer(); 15993 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15994 serializer.startDocument(null, true); 15995 serializer.startTag(null, TAG_PERMISSION_BACKUP); 15996 15997 synchronized (mPackages) { 15998 serializeRuntimePermissionGrantsLPr(serializer, userId); 15999 } 16000 16001 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16002 serializer.endDocument(); 16003 serializer.flush(); 16004 } catch (Exception e) { 16005 if (DEBUG_BACKUP) { 16006 Slog.e(TAG, "Unable to write default apps for backup", e); 16007 } 16008 return null; 16009 } 16010 16011 return dataStream.toByteArray(); 16012 } 16013 16014 @Override 16015 public void restorePermissionGrants(byte[] backup, int userId) { 16016 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16017 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16018 } 16019 16020 try { 16021 final XmlPullParser parser = Xml.newPullParser(); 16022 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16023 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16024 new BlobXmlRestorer() { 16025 @Override 16026 public void apply(XmlPullParser parser, int userId) 16027 throws XmlPullParserException, IOException { 16028 synchronized (mPackages) { 16029 processRestoredPermissionGrantsLPr(parser, userId); 16030 } 16031 } 16032 } ); 16033 } catch (Exception e) { 16034 if (DEBUG_BACKUP) { 16035 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16036 } 16037 } 16038 } 16039 16040 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16041 throws IOException { 16042 serializer.startTag(null, TAG_ALL_GRANTS); 16043 16044 final int N = mSettings.mPackages.size(); 16045 for (int i = 0; i < N; i++) { 16046 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16047 boolean pkgGrantsKnown = false; 16048 16049 PermissionsState packagePerms = ps.getPermissionsState(); 16050 16051 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16052 final int grantFlags = state.getFlags(); 16053 // only look at grants that are not system/policy fixed 16054 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16055 final boolean isGranted = state.isGranted(); 16056 // And only back up the user-twiddled state bits 16057 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16058 final String packageName = mSettings.mPackages.keyAt(i); 16059 if (!pkgGrantsKnown) { 16060 serializer.startTag(null, TAG_GRANT); 16061 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16062 pkgGrantsKnown = true; 16063 } 16064 16065 final boolean userSet = 16066 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16067 final boolean userFixed = 16068 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16069 final boolean revoke = 16070 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16071 16072 serializer.startTag(null, TAG_PERMISSION); 16073 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16074 if (isGranted) { 16075 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16076 } 16077 if (userSet) { 16078 serializer.attribute(null, ATTR_USER_SET, "true"); 16079 } 16080 if (userFixed) { 16081 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16082 } 16083 if (revoke) { 16084 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16085 } 16086 serializer.endTag(null, TAG_PERMISSION); 16087 } 16088 } 16089 } 16090 16091 if (pkgGrantsKnown) { 16092 serializer.endTag(null, TAG_GRANT); 16093 } 16094 } 16095 16096 serializer.endTag(null, TAG_ALL_GRANTS); 16097 } 16098 16099 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16100 throws XmlPullParserException, IOException { 16101 String pkgName = null; 16102 int outerDepth = parser.getDepth(); 16103 int type; 16104 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16105 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16106 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16107 continue; 16108 } 16109 16110 final String tagName = parser.getName(); 16111 if (tagName.equals(TAG_GRANT)) { 16112 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16113 if (DEBUG_BACKUP) { 16114 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16115 } 16116 } else if (tagName.equals(TAG_PERMISSION)) { 16117 16118 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16119 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16120 16121 int newFlagSet = 0; 16122 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16123 newFlagSet |= FLAG_PERMISSION_USER_SET; 16124 } 16125 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16126 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16127 } 16128 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16129 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16130 } 16131 if (DEBUG_BACKUP) { 16132 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16133 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16134 } 16135 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16136 if (ps != null) { 16137 // Already installed so we apply the grant immediately 16138 if (DEBUG_BACKUP) { 16139 Slog.v(TAG, " + already installed; applying"); 16140 } 16141 PermissionsState perms = ps.getPermissionsState(); 16142 BasePermission bp = mSettings.mPermissions.get(permName); 16143 if (bp != null) { 16144 if (isGranted) { 16145 perms.grantRuntimePermission(bp, userId); 16146 } 16147 if (newFlagSet != 0) { 16148 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16149 } 16150 } 16151 } else { 16152 // Need to wait for post-restore install to apply the grant 16153 if (DEBUG_BACKUP) { 16154 Slog.v(TAG, " - not yet installed; saving for later"); 16155 } 16156 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16157 isGranted, newFlagSet, userId); 16158 } 16159 } else { 16160 PackageManagerService.reportSettingsProblem(Log.WARN, 16161 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16162 XmlUtils.skipCurrentTag(parser); 16163 } 16164 } 16165 16166 scheduleWriteSettingsLocked(); 16167 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16168 } 16169 16170 @Override 16171 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16172 int sourceUserId, int targetUserId, int flags) { 16173 mContext.enforceCallingOrSelfPermission( 16174 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16175 int callingUid = Binder.getCallingUid(); 16176 enforceOwnerRights(ownerPackage, callingUid); 16177 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16178 if (intentFilter.countActions() == 0) { 16179 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16180 return; 16181 } 16182 synchronized (mPackages) { 16183 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16184 ownerPackage, targetUserId, flags); 16185 CrossProfileIntentResolver resolver = 16186 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16187 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16188 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16189 if (existing != null) { 16190 int size = existing.size(); 16191 for (int i = 0; i < size; i++) { 16192 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16193 return; 16194 } 16195 } 16196 } 16197 resolver.addFilter(newFilter); 16198 scheduleWritePackageRestrictionsLocked(sourceUserId); 16199 } 16200 } 16201 16202 @Override 16203 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16204 mContext.enforceCallingOrSelfPermission( 16205 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16206 int callingUid = Binder.getCallingUid(); 16207 enforceOwnerRights(ownerPackage, callingUid); 16208 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16209 synchronized (mPackages) { 16210 CrossProfileIntentResolver resolver = 16211 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16212 ArraySet<CrossProfileIntentFilter> set = 16213 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16214 for (CrossProfileIntentFilter filter : set) { 16215 if (filter.getOwnerPackage().equals(ownerPackage)) { 16216 resolver.removeFilter(filter); 16217 } 16218 } 16219 scheduleWritePackageRestrictionsLocked(sourceUserId); 16220 } 16221 } 16222 16223 // Enforcing that callingUid is owning pkg on userId 16224 private void enforceOwnerRights(String pkg, int callingUid) { 16225 // The system owns everything. 16226 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16227 return; 16228 } 16229 int callingUserId = UserHandle.getUserId(callingUid); 16230 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16231 if (pi == null) { 16232 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16233 + callingUserId); 16234 } 16235 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16236 throw new SecurityException("Calling uid " + callingUid 16237 + " does not own package " + pkg); 16238 } 16239 } 16240 16241 @Override 16242 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16243 Intent intent = new Intent(Intent.ACTION_MAIN); 16244 intent.addCategory(Intent.CATEGORY_HOME); 16245 16246 final int callingUserId = UserHandle.getCallingUserId(); 16247 List<ResolveInfo> list = queryIntentActivities(intent, null, 16248 PackageManager.GET_META_DATA, callingUserId); 16249 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16250 true, false, false, callingUserId); 16251 16252 allHomeCandidates.clear(); 16253 if (list != null) { 16254 for (ResolveInfo ri : list) { 16255 allHomeCandidates.add(ri); 16256 } 16257 } 16258 return (preferred == null || preferred.activityInfo == null) 16259 ? null 16260 : new ComponentName(preferred.activityInfo.packageName, 16261 preferred.activityInfo.name); 16262 } 16263 16264 @Override 16265 public void setApplicationEnabledSetting(String appPackageName, 16266 int newState, int flags, int userId, String callingPackage) { 16267 if (!sUserManager.exists(userId)) return; 16268 if (callingPackage == null) { 16269 callingPackage = Integer.toString(Binder.getCallingUid()); 16270 } 16271 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16272 } 16273 16274 @Override 16275 public void setComponentEnabledSetting(ComponentName componentName, 16276 int newState, int flags, int userId) { 16277 if (!sUserManager.exists(userId)) return; 16278 setEnabledSetting(componentName.getPackageName(), 16279 componentName.getClassName(), newState, flags, userId, null); 16280 } 16281 16282 private void setEnabledSetting(final String packageName, String className, int newState, 16283 final int flags, int userId, String callingPackage) { 16284 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16285 || newState == COMPONENT_ENABLED_STATE_ENABLED 16286 || newState == COMPONENT_ENABLED_STATE_DISABLED 16287 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16288 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16289 throw new IllegalArgumentException("Invalid new component state: " 16290 + newState); 16291 } 16292 PackageSetting pkgSetting; 16293 final int uid = Binder.getCallingUid(); 16294 final int permission = mContext.checkCallingOrSelfPermission( 16295 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16296 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 16297 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16298 boolean sendNow = false; 16299 boolean isApp = (className == null); 16300 String componentName = isApp ? packageName : className; 16301 int packageUid = -1; 16302 ArrayList<String> components; 16303 16304 // writer 16305 synchronized (mPackages) { 16306 pkgSetting = mSettings.mPackages.get(packageName); 16307 if (pkgSetting == null) { 16308 if (className == null) { 16309 throw new IllegalArgumentException("Unknown package: " + packageName); 16310 } 16311 throw new IllegalArgumentException( 16312 "Unknown component: " + packageName + "/" + className); 16313 } 16314 // Allow root and verify that userId is not being specified by a different user 16315 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16316 throw new SecurityException( 16317 "Permission Denial: attempt to change component state from pid=" 16318 + Binder.getCallingPid() 16319 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16320 } 16321 if (className == null) { 16322 // We're dealing with an application/package level state change 16323 if (pkgSetting.getEnabled(userId) == newState) { 16324 // Nothing to do 16325 return; 16326 } 16327 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16328 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16329 // Don't care about who enables an app. 16330 callingPackage = null; 16331 } 16332 pkgSetting.setEnabled(newState, userId, callingPackage); 16333 // pkgSetting.pkg.mSetEnabled = newState; 16334 } else { 16335 // We're dealing with a component level state change 16336 // First, verify that this is a valid class name. 16337 PackageParser.Package pkg = pkgSetting.pkg; 16338 if (pkg == null || !pkg.hasComponentClassName(className)) { 16339 if (pkg != null && 16340 pkg.applicationInfo.targetSdkVersion >= 16341 Build.VERSION_CODES.JELLY_BEAN) { 16342 throw new IllegalArgumentException("Component class " + className 16343 + " does not exist in " + packageName); 16344 } else { 16345 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16346 + className + " does not exist in " + packageName); 16347 } 16348 } 16349 switch (newState) { 16350 case COMPONENT_ENABLED_STATE_ENABLED: 16351 if (!pkgSetting.enableComponentLPw(className, userId)) { 16352 return; 16353 } 16354 break; 16355 case COMPONENT_ENABLED_STATE_DISABLED: 16356 if (!pkgSetting.disableComponentLPw(className, userId)) { 16357 return; 16358 } 16359 break; 16360 case COMPONENT_ENABLED_STATE_DEFAULT: 16361 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16362 return; 16363 } 16364 break; 16365 default: 16366 Slog.e(TAG, "Invalid new component state: " + newState); 16367 return; 16368 } 16369 } 16370 scheduleWritePackageRestrictionsLocked(userId); 16371 components = mPendingBroadcasts.get(userId, packageName); 16372 final boolean newPackage = components == null; 16373 if (newPackage) { 16374 components = new ArrayList<String>(); 16375 } 16376 if (!components.contains(componentName)) { 16377 components.add(componentName); 16378 } 16379 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16380 sendNow = true; 16381 // Purge entry from pending broadcast list if another one exists already 16382 // since we are sending one right away. 16383 mPendingBroadcasts.remove(userId, packageName); 16384 } else { 16385 if (newPackage) { 16386 mPendingBroadcasts.put(userId, packageName, components); 16387 } 16388 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16389 // Schedule a message 16390 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16391 } 16392 } 16393 } 16394 16395 long callingId = Binder.clearCallingIdentity(); 16396 try { 16397 if (sendNow) { 16398 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16399 sendPackageChangedBroadcast(packageName, 16400 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16401 } 16402 } finally { 16403 Binder.restoreCallingIdentity(callingId); 16404 } 16405 } 16406 16407 private void sendPackageChangedBroadcast(String packageName, 16408 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16409 if (DEBUG_INSTALL) 16410 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16411 + componentNames); 16412 Bundle extras = new Bundle(4); 16413 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16414 String nameList[] = new String[componentNames.size()]; 16415 componentNames.toArray(nameList); 16416 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16417 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16418 extras.putInt(Intent.EXTRA_UID, packageUid); 16419 // If this is not reporting a change of the overall package, then only send it 16420 // to registered receivers. We don't want to launch a swath of apps for every 16421 // little component state change. 16422 final int flags = !componentNames.contains(packageName) 16423 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16424 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16425 new int[] {UserHandle.getUserId(packageUid)}); 16426 } 16427 16428 @Override 16429 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16430 if (!sUserManager.exists(userId)) return; 16431 final int uid = Binder.getCallingUid(); 16432 final int permission = mContext.checkCallingOrSelfPermission( 16433 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16434 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16435 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 16436 // writer 16437 synchronized (mPackages) { 16438 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16439 allowedByPermission, uid, userId)) { 16440 scheduleWritePackageRestrictionsLocked(userId); 16441 } 16442 } 16443 } 16444 16445 @Override 16446 public String getInstallerPackageName(String packageName) { 16447 // reader 16448 synchronized (mPackages) { 16449 return mSettings.getInstallerPackageNameLPr(packageName); 16450 } 16451 } 16452 16453 @Override 16454 public int getApplicationEnabledSetting(String packageName, int userId) { 16455 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16456 int uid = Binder.getCallingUid(); 16457 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 16458 // reader 16459 synchronized (mPackages) { 16460 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16461 } 16462 } 16463 16464 @Override 16465 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16466 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16467 int uid = Binder.getCallingUid(); 16468 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 16469 // reader 16470 synchronized (mPackages) { 16471 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16472 } 16473 } 16474 16475 @Override 16476 public void enterSafeMode() { 16477 enforceSystemOrRoot("Only the system can request entering safe mode"); 16478 16479 if (!mSystemReady) { 16480 mSafeMode = true; 16481 } 16482 } 16483 16484 @Override 16485 public void systemReady() { 16486 mSystemReady = true; 16487 16488 // Read the compatibilty setting when the system is ready. 16489 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16490 mContext.getContentResolver(), 16491 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16492 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16493 if (DEBUG_SETTINGS) { 16494 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16495 } 16496 16497 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16498 16499 synchronized (mPackages) { 16500 // Verify that all of the preferred activity components actually 16501 // exist. It is possible for applications to be updated and at 16502 // that point remove a previously declared activity component that 16503 // had been set as a preferred activity. We try to clean this up 16504 // the next time we encounter that preferred activity, but it is 16505 // possible for the user flow to never be able to return to that 16506 // situation so here we do a sanity check to make sure we haven't 16507 // left any junk around. 16508 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16509 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16510 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16511 removed.clear(); 16512 for (PreferredActivity pa : pir.filterSet()) { 16513 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16514 removed.add(pa); 16515 } 16516 } 16517 if (removed.size() > 0) { 16518 for (int r=0; r<removed.size(); r++) { 16519 PreferredActivity pa = removed.get(r); 16520 Slog.w(TAG, "Removing dangling preferred activity: " 16521 + pa.mPref.mComponent); 16522 pir.removeFilter(pa); 16523 } 16524 mSettings.writePackageRestrictionsLPr( 16525 mSettings.mPreferredActivities.keyAt(i)); 16526 } 16527 } 16528 16529 for (int userId : UserManagerService.getInstance().getUserIds()) { 16530 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16531 grantPermissionsUserIds = ArrayUtils.appendInt( 16532 grantPermissionsUserIds, userId); 16533 } 16534 } 16535 } 16536 sUserManager.systemReady(); 16537 16538 // If we upgraded grant all default permissions before kicking off. 16539 for (int userId : grantPermissionsUserIds) { 16540 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16541 } 16542 16543 // Kick off any messages waiting for system ready 16544 if (mPostSystemReadyMessages != null) { 16545 for (Message msg : mPostSystemReadyMessages) { 16546 msg.sendToTarget(); 16547 } 16548 mPostSystemReadyMessages = null; 16549 } 16550 16551 // Watch for external volumes that come and go over time 16552 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16553 storage.registerListener(mStorageListener); 16554 16555 mInstallerService.systemReady(); 16556 mPackageDexOptimizer.systemReady(); 16557 16558 MountServiceInternal mountServiceInternal = LocalServices.getService( 16559 MountServiceInternal.class); 16560 mountServiceInternal.addExternalStoragePolicy( 16561 new MountServiceInternal.ExternalStorageMountPolicy() { 16562 @Override 16563 public int getMountMode(int uid, String packageName) { 16564 if (Process.isIsolated(uid)) { 16565 return Zygote.MOUNT_EXTERNAL_NONE; 16566 } 16567 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16568 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16569 } 16570 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16571 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16572 } 16573 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16574 return Zygote.MOUNT_EXTERNAL_READ; 16575 } 16576 return Zygote.MOUNT_EXTERNAL_WRITE; 16577 } 16578 16579 @Override 16580 public boolean hasExternalStorage(int uid, String packageName) { 16581 return true; 16582 } 16583 }); 16584 } 16585 16586 @Override 16587 public boolean isSafeMode() { 16588 return mSafeMode; 16589 } 16590 16591 @Override 16592 public boolean hasSystemUidErrors() { 16593 return mHasSystemUidErrors; 16594 } 16595 16596 static String arrayToString(int[] array) { 16597 StringBuffer buf = new StringBuffer(128); 16598 buf.append('['); 16599 if (array != null) { 16600 for (int i=0; i<array.length; i++) { 16601 if (i > 0) buf.append(", "); 16602 buf.append(array[i]); 16603 } 16604 } 16605 buf.append(']'); 16606 return buf.toString(); 16607 } 16608 16609 static class DumpState { 16610 public static final int DUMP_LIBS = 1 << 0; 16611 public static final int DUMP_FEATURES = 1 << 1; 16612 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16613 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16614 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16615 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16616 public static final int DUMP_PERMISSIONS = 1 << 6; 16617 public static final int DUMP_PACKAGES = 1 << 7; 16618 public static final int DUMP_SHARED_USERS = 1 << 8; 16619 public static final int DUMP_MESSAGES = 1 << 9; 16620 public static final int DUMP_PROVIDERS = 1 << 10; 16621 public static final int DUMP_VERIFIERS = 1 << 11; 16622 public static final int DUMP_PREFERRED = 1 << 12; 16623 public static final int DUMP_PREFERRED_XML = 1 << 13; 16624 public static final int DUMP_KEYSETS = 1 << 14; 16625 public static final int DUMP_VERSION = 1 << 15; 16626 public static final int DUMP_INSTALLS = 1 << 16; 16627 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16628 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16629 16630 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16631 16632 private int mTypes; 16633 16634 private int mOptions; 16635 16636 private boolean mTitlePrinted; 16637 16638 private SharedUserSetting mSharedUser; 16639 16640 public boolean isDumping(int type) { 16641 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16642 return true; 16643 } 16644 16645 return (mTypes & type) != 0; 16646 } 16647 16648 public void setDump(int type) { 16649 mTypes |= type; 16650 } 16651 16652 public boolean isOptionEnabled(int option) { 16653 return (mOptions & option) != 0; 16654 } 16655 16656 public void setOptionEnabled(int option) { 16657 mOptions |= option; 16658 } 16659 16660 public boolean onTitlePrinted() { 16661 final boolean printed = mTitlePrinted; 16662 mTitlePrinted = true; 16663 return printed; 16664 } 16665 16666 public boolean getTitlePrinted() { 16667 return mTitlePrinted; 16668 } 16669 16670 public void setTitlePrinted(boolean enabled) { 16671 mTitlePrinted = enabled; 16672 } 16673 16674 public SharedUserSetting getSharedUser() { 16675 return mSharedUser; 16676 } 16677 16678 public void setSharedUser(SharedUserSetting user) { 16679 mSharedUser = user; 16680 } 16681 } 16682 16683 @Override 16684 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16685 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16686 (new PackageManagerShellCommand(this)).exec( 16687 this, in, out, err, args, resultReceiver); 16688 } 16689 16690 @Override 16691 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16692 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16693 != PackageManager.PERMISSION_GRANTED) { 16694 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16695 + Binder.getCallingPid() 16696 + ", uid=" + Binder.getCallingUid() 16697 + " without permission " 16698 + android.Manifest.permission.DUMP); 16699 return; 16700 } 16701 16702 DumpState dumpState = new DumpState(); 16703 boolean fullPreferred = false; 16704 boolean checkin = false; 16705 16706 String packageName = null; 16707 ArraySet<String> permissionNames = null; 16708 16709 int opti = 0; 16710 while (opti < args.length) { 16711 String opt = args[opti]; 16712 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 16713 break; 16714 } 16715 opti++; 16716 16717 if ("-a".equals(opt)) { 16718 // Right now we only know how to print all. 16719 } else if ("-h".equals(opt)) { 16720 pw.println("Package manager dump options:"); 16721 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 16722 pw.println(" --checkin: dump for a checkin"); 16723 pw.println(" -f: print details of intent filters"); 16724 pw.println(" -h: print this help"); 16725 pw.println(" cmd may be one of:"); 16726 pw.println(" l[ibraries]: list known shared libraries"); 16727 pw.println(" f[eatures]: list device features"); 16728 pw.println(" k[eysets]: print known keysets"); 16729 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 16730 pw.println(" perm[issions]: dump permissions"); 16731 pw.println(" permission [name ...]: dump declaration and use of given permission"); 16732 pw.println(" pref[erred]: print preferred package settings"); 16733 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 16734 pw.println(" prov[iders]: dump content providers"); 16735 pw.println(" p[ackages]: dump installed packages"); 16736 pw.println(" s[hared-users]: dump shared user IDs"); 16737 pw.println(" m[essages]: print collected runtime messages"); 16738 pw.println(" v[erifiers]: print package verifier info"); 16739 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 16740 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 16741 pw.println(" version: print database version info"); 16742 pw.println(" write: write current settings now"); 16743 pw.println(" installs: details about install sessions"); 16744 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 16745 pw.println(" <package.name>: info about given package"); 16746 return; 16747 } else if ("--checkin".equals(opt)) { 16748 checkin = true; 16749 } else if ("-f".equals(opt)) { 16750 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16751 } else { 16752 pw.println("Unknown argument: " + opt + "; use -h for help"); 16753 } 16754 } 16755 16756 // Is the caller requesting to dump a particular piece of data? 16757 if (opti < args.length) { 16758 String cmd = args[opti]; 16759 opti++; 16760 // Is this a package name? 16761 if ("android".equals(cmd) || cmd.contains(".")) { 16762 packageName = cmd; 16763 // When dumping a single package, we always dump all of its 16764 // filter information since the amount of data will be reasonable. 16765 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16766 } else if ("check-permission".equals(cmd)) { 16767 if (opti >= args.length) { 16768 pw.println("Error: check-permission missing permission argument"); 16769 return; 16770 } 16771 String perm = args[opti]; 16772 opti++; 16773 if (opti >= args.length) { 16774 pw.println("Error: check-permission missing package argument"); 16775 return; 16776 } 16777 String pkg = args[opti]; 16778 opti++; 16779 int user = UserHandle.getUserId(Binder.getCallingUid()); 16780 if (opti < args.length) { 16781 try { 16782 user = Integer.parseInt(args[opti]); 16783 } catch (NumberFormatException e) { 16784 pw.println("Error: check-permission user argument is not a number: " 16785 + args[opti]); 16786 return; 16787 } 16788 } 16789 pw.println(checkPermission(perm, pkg, user)); 16790 return; 16791 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 16792 dumpState.setDump(DumpState.DUMP_LIBS); 16793 } else if ("f".equals(cmd) || "features".equals(cmd)) { 16794 dumpState.setDump(DumpState.DUMP_FEATURES); 16795 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 16796 if (opti >= args.length) { 16797 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 16798 | DumpState.DUMP_SERVICE_RESOLVERS 16799 | DumpState.DUMP_RECEIVER_RESOLVERS 16800 | DumpState.DUMP_CONTENT_RESOLVERS); 16801 } else { 16802 while (opti < args.length) { 16803 String name = args[opti]; 16804 if ("a".equals(name) || "activity".equals(name)) { 16805 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 16806 } else if ("s".equals(name) || "service".equals(name)) { 16807 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 16808 } else if ("r".equals(name) || "receiver".equals(name)) { 16809 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 16810 } else if ("c".equals(name) || "content".equals(name)) { 16811 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 16812 } else { 16813 pw.println("Error: unknown resolver table type: " + name); 16814 return; 16815 } 16816 opti++; 16817 } 16818 } 16819 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 16820 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 16821 } else if ("permission".equals(cmd)) { 16822 if (opti >= args.length) { 16823 pw.println("Error: permission requires permission name"); 16824 return; 16825 } 16826 permissionNames = new ArraySet<>(); 16827 while (opti < args.length) { 16828 permissionNames.add(args[opti]); 16829 opti++; 16830 } 16831 dumpState.setDump(DumpState.DUMP_PERMISSIONS 16832 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 16833 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 16834 dumpState.setDump(DumpState.DUMP_PREFERRED); 16835 } else if ("preferred-xml".equals(cmd)) { 16836 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 16837 if (opti < args.length && "--full".equals(args[opti])) { 16838 fullPreferred = true; 16839 opti++; 16840 } 16841 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 16842 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 16843 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 16844 dumpState.setDump(DumpState.DUMP_PACKAGES); 16845 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 16846 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 16847 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 16848 dumpState.setDump(DumpState.DUMP_PROVIDERS); 16849 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 16850 dumpState.setDump(DumpState.DUMP_MESSAGES); 16851 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 16852 dumpState.setDump(DumpState.DUMP_VERIFIERS); 16853 } else if ("i".equals(cmd) || "ifv".equals(cmd) 16854 || "intent-filter-verifiers".equals(cmd)) { 16855 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 16856 } else if ("version".equals(cmd)) { 16857 dumpState.setDump(DumpState.DUMP_VERSION); 16858 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 16859 dumpState.setDump(DumpState.DUMP_KEYSETS); 16860 } else if ("installs".equals(cmd)) { 16861 dumpState.setDump(DumpState.DUMP_INSTALLS); 16862 } else if ("write".equals(cmd)) { 16863 synchronized (mPackages) { 16864 mSettings.writeLPr(); 16865 pw.println("Settings written."); 16866 return; 16867 } 16868 } 16869 } 16870 16871 if (checkin) { 16872 pw.println("vers,1"); 16873 } 16874 16875 // reader 16876 synchronized (mPackages) { 16877 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 16878 if (!checkin) { 16879 if (dumpState.onTitlePrinted()) 16880 pw.println(); 16881 pw.println("Database versions:"); 16882 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 16883 } 16884 } 16885 16886 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 16887 if (!checkin) { 16888 if (dumpState.onTitlePrinted()) 16889 pw.println(); 16890 pw.println("Verifiers:"); 16891 pw.print(" Required: "); 16892 pw.print(mRequiredVerifierPackage); 16893 pw.print(" (uid="); 16894 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16895 UserHandle.USER_SYSTEM)); 16896 pw.println(")"); 16897 } else if (mRequiredVerifierPackage != null) { 16898 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 16899 pw.print(","); 16900 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16901 UserHandle.USER_SYSTEM)); 16902 } 16903 } 16904 16905 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 16906 packageName == null) { 16907 if (mIntentFilterVerifierComponent != null) { 16908 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 16909 if (!checkin) { 16910 if (dumpState.onTitlePrinted()) 16911 pw.println(); 16912 pw.println("Intent Filter Verifier:"); 16913 pw.print(" Using: "); 16914 pw.print(verifierPackageName); 16915 pw.print(" (uid="); 16916 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16917 UserHandle.USER_SYSTEM)); 16918 pw.println(")"); 16919 } else if (verifierPackageName != null) { 16920 pw.print("ifv,"); pw.print(verifierPackageName); 16921 pw.print(","); 16922 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16923 UserHandle.USER_SYSTEM)); 16924 } 16925 } else { 16926 pw.println(); 16927 pw.println("No Intent Filter Verifier available!"); 16928 } 16929 } 16930 16931 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 16932 boolean printedHeader = false; 16933 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 16934 while (it.hasNext()) { 16935 String name = it.next(); 16936 SharedLibraryEntry ent = mSharedLibraries.get(name); 16937 if (!checkin) { 16938 if (!printedHeader) { 16939 if (dumpState.onTitlePrinted()) 16940 pw.println(); 16941 pw.println("Libraries:"); 16942 printedHeader = true; 16943 } 16944 pw.print(" "); 16945 } else { 16946 pw.print("lib,"); 16947 } 16948 pw.print(name); 16949 if (!checkin) { 16950 pw.print(" -> "); 16951 } 16952 if (ent.path != null) { 16953 if (!checkin) { 16954 pw.print("(jar) "); 16955 pw.print(ent.path); 16956 } else { 16957 pw.print(",jar,"); 16958 pw.print(ent.path); 16959 } 16960 } else { 16961 if (!checkin) { 16962 pw.print("(apk) "); 16963 pw.print(ent.apk); 16964 } else { 16965 pw.print(",apk,"); 16966 pw.print(ent.apk); 16967 } 16968 } 16969 pw.println(); 16970 } 16971 } 16972 16973 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 16974 if (dumpState.onTitlePrinted()) 16975 pw.println(); 16976 if (!checkin) { 16977 pw.println("Features:"); 16978 } 16979 16980 for (FeatureInfo feat : mAvailableFeatures.values()) { 16981 if (checkin) { 16982 pw.print("feat,"); 16983 pw.print(feat.name); 16984 pw.print(","); 16985 pw.println(feat.version); 16986 } else { 16987 pw.print(" "); 16988 pw.print(feat.name); 16989 if (feat.version > 0) { 16990 pw.print(" version="); 16991 pw.print(feat.version); 16992 } 16993 pw.println(); 16994 } 16995 } 16996 } 16997 16998 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 16999 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17000 : "Activity Resolver Table:", " ", packageName, 17001 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17002 dumpState.setTitlePrinted(true); 17003 } 17004 } 17005 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17006 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17007 : "Receiver Resolver Table:", " ", packageName, 17008 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17009 dumpState.setTitlePrinted(true); 17010 } 17011 } 17012 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17013 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17014 : "Service Resolver Table:", " ", packageName, 17015 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17016 dumpState.setTitlePrinted(true); 17017 } 17018 } 17019 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17020 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17021 : "Provider Resolver Table:", " ", packageName, 17022 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17023 dumpState.setTitlePrinted(true); 17024 } 17025 } 17026 17027 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17028 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17029 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17030 int user = mSettings.mPreferredActivities.keyAt(i); 17031 if (pir.dump(pw, 17032 dumpState.getTitlePrinted() 17033 ? "\nPreferred Activities User " + user + ":" 17034 : "Preferred Activities User " + user + ":", " ", 17035 packageName, true, false)) { 17036 dumpState.setTitlePrinted(true); 17037 } 17038 } 17039 } 17040 17041 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17042 pw.flush(); 17043 FileOutputStream fout = new FileOutputStream(fd); 17044 BufferedOutputStream str = new BufferedOutputStream(fout); 17045 XmlSerializer serializer = new FastXmlSerializer(); 17046 try { 17047 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17048 serializer.startDocument(null, true); 17049 serializer.setFeature( 17050 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17051 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17052 serializer.endDocument(); 17053 serializer.flush(); 17054 } catch (IllegalArgumentException e) { 17055 pw.println("Failed writing: " + e); 17056 } catch (IllegalStateException e) { 17057 pw.println("Failed writing: " + e); 17058 } catch (IOException e) { 17059 pw.println("Failed writing: " + e); 17060 } 17061 } 17062 17063 if (!checkin 17064 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17065 && packageName == null) { 17066 pw.println(); 17067 int count = mSettings.mPackages.size(); 17068 if (count == 0) { 17069 pw.println("No applications!"); 17070 pw.println(); 17071 } else { 17072 final String prefix = " "; 17073 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17074 if (allPackageSettings.size() == 0) { 17075 pw.println("No domain preferred apps!"); 17076 pw.println(); 17077 } else { 17078 pw.println("App verification status:"); 17079 pw.println(); 17080 count = 0; 17081 for (PackageSetting ps : allPackageSettings) { 17082 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17083 if (ivi == null || ivi.getPackageName() == null) continue; 17084 pw.println(prefix + "Package: " + ivi.getPackageName()); 17085 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17086 pw.println(prefix + "Status: " + ivi.getStatusString()); 17087 pw.println(); 17088 count++; 17089 } 17090 if (count == 0) { 17091 pw.println(prefix + "No app verification established."); 17092 pw.println(); 17093 } 17094 for (int userId : sUserManager.getUserIds()) { 17095 pw.println("App linkages for user " + userId + ":"); 17096 pw.println(); 17097 count = 0; 17098 for (PackageSetting ps : allPackageSettings) { 17099 final long status = ps.getDomainVerificationStatusForUser(userId); 17100 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17101 continue; 17102 } 17103 pw.println(prefix + "Package: " + ps.name); 17104 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17105 String statusStr = IntentFilterVerificationInfo. 17106 getStatusStringFromValue(status); 17107 pw.println(prefix + "Status: " + statusStr); 17108 pw.println(); 17109 count++; 17110 } 17111 if (count == 0) { 17112 pw.println(prefix + "No configured app linkages."); 17113 pw.println(); 17114 } 17115 } 17116 } 17117 } 17118 } 17119 17120 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17121 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17122 if (packageName == null && permissionNames == null) { 17123 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17124 if (iperm == 0) { 17125 if (dumpState.onTitlePrinted()) 17126 pw.println(); 17127 pw.println("AppOp Permissions:"); 17128 } 17129 pw.print(" AppOp Permission "); 17130 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17131 pw.println(":"); 17132 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17133 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17134 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17135 } 17136 } 17137 } 17138 } 17139 17140 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17141 boolean printedSomething = false; 17142 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17143 if (packageName != null && !packageName.equals(p.info.packageName)) { 17144 continue; 17145 } 17146 if (!printedSomething) { 17147 if (dumpState.onTitlePrinted()) 17148 pw.println(); 17149 pw.println("Registered ContentProviders:"); 17150 printedSomething = true; 17151 } 17152 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17153 pw.print(" "); pw.println(p.toString()); 17154 } 17155 printedSomething = false; 17156 for (Map.Entry<String, PackageParser.Provider> entry : 17157 mProvidersByAuthority.entrySet()) { 17158 PackageParser.Provider p = entry.getValue(); 17159 if (packageName != null && !packageName.equals(p.info.packageName)) { 17160 continue; 17161 } 17162 if (!printedSomething) { 17163 if (dumpState.onTitlePrinted()) 17164 pw.println(); 17165 pw.println("ContentProvider Authorities:"); 17166 printedSomething = true; 17167 } 17168 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17169 pw.print(" "); pw.println(p.toString()); 17170 if (p.info != null && p.info.applicationInfo != null) { 17171 final String appInfo = p.info.applicationInfo.toString(); 17172 pw.print(" applicationInfo="); pw.println(appInfo); 17173 } 17174 } 17175 } 17176 17177 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17178 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17179 } 17180 17181 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17182 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17183 } 17184 17185 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17186 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17187 } 17188 17189 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17190 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17191 } 17192 17193 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17194 // XXX should handle packageName != null by dumping only install data that 17195 // the given package is involved with. 17196 if (dumpState.onTitlePrinted()) pw.println(); 17197 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17198 } 17199 17200 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17201 if (dumpState.onTitlePrinted()) pw.println(); 17202 mSettings.dumpReadMessagesLPr(pw, dumpState); 17203 17204 pw.println(); 17205 pw.println("Package warning messages:"); 17206 BufferedReader in = null; 17207 String line = null; 17208 try { 17209 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17210 while ((line = in.readLine()) != null) { 17211 if (line.contains("ignored: updated version")) continue; 17212 pw.println(line); 17213 } 17214 } catch (IOException ignored) { 17215 } finally { 17216 IoUtils.closeQuietly(in); 17217 } 17218 } 17219 17220 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17221 BufferedReader in = null; 17222 String line = null; 17223 try { 17224 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17225 while ((line = in.readLine()) != null) { 17226 if (line.contains("ignored: updated version")) continue; 17227 pw.print("msg,"); 17228 pw.println(line); 17229 } 17230 } catch (IOException ignored) { 17231 } finally { 17232 IoUtils.closeQuietly(in); 17233 } 17234 } 17235 } 17236 } 17237 17238 private String dumpDomainString(String packageName) { 17239 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 17240 List<IntentFilter> filters = getAllIntentFilters(packageName); 17241 17242 ArraySet<String> result = new ArraySet<>(); 17243 if (iviList.size() > 0) { 17244 for (IntentFilterVerificationInfo ivi : iviList) { 17245 for (String host : ivi.getDomains()) { 17246 result.add(host); 17247 } 17248 } 17249 } 17250 if (filters != null && filters.size() > 0) { 17251 for (IntentFilter filter : filters) { 17252 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17253 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17254 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17255 result.addAll(filter.getHostsList()); 17256 } 17257 } 17258 } 17259 17260 StringBuilder sb = new StringBuilder(result.size() * 16); 17261 for (String domain : result) { 17262 if (sb.length() > 0) sb.append(" "); 17263 sb.append(domain); 17264 } 17265 return sb.toString(); 17266 } 17267 17268 // ------- apps on sdcard specific code ------- 17269 static final boolean DEBUG_SD_INSTALL = false; 17270 17271 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17272 17273 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17274 17275 private boolean mMediaMounted = false; 17276 17277 static String getEncryptKey() { 17278 try { 17279 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17280 SD_ENCRYPTION_KEYSTORE_NAME); 17281 if (sdEncKey == null) { 17282 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17283 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17284 if (sdEncKey == null) { 17285 Slog.e(TAG, "Failed to create encryption keys"); 17286 return null; 17287 } 17288 } 17289 return sdEncKey; 17290 } catch (NoSuchAlgorithmException nsae) { 17291 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17292 return null; 17293 } catch (IOException ioe) { 17294 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17295 return null; 17296 } 17297 } 17298 17299 /* 17300 * Update media status on PackageManager. 17301 */ 17302 @Override 17303 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17304 int callingUid = Binder.getCallingUid(); 17305 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17306 throw new SecurityException("Media status can only be updated by the system"); 17307 } 17308 // reader; this apparently protects mMediaMounted, but should probably 17309 // be a different lock in that case. 17310 synchronized (mPackages) { 17311 Log.i(TAG, "Updating external media status from " 17312 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17313 + (mediaStatus ? "mounted" : "unmounted")); 17314 if (DEBUG_SD_INSTALL) 17315 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17316 + ", mMediaMounted=" + mMediaMounted); 17317 if (mediaStatus == mMediaMounted) { 17318 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17319 : 0, -1); 17320 mHandler.sendMessage(msg); 17321 return; 17322 } 17323 mMediaMounted = mediaStatus; 17324 } 17325 // Queue up an async operation since the package installation may take a 17326 // little while. 17327 mHandler.post(new Runnable() { 17328 public void run() { 17329 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17330 } 17331 }); 17332 } 17333 17334 /** 17335 * Called by MountService when the initial ASECs to scan are available. 17336 * Should block until all the ASEC containers are finished being scanned. 17337 */ 17338 public void scanAvailableAsecs() { 17339 updateExternalMediaStatusInner(true, false, false); 17340 } 17341 17342 /* 17343 * Collect information of applications on external media, map them against 17344 * existing containers and update information based on current mount status. 17345 * Please note that we always have to report status if reportStatus has been 17346 * set to true especially when unloading packages. 17347 */ 17348 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17349 boolean externalStorage) { 17350 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17351 int[] uidArr = EmptyArray.INT; 17352 17353 final String[] list = PackageHelper.getSecureContainerList(); 17354 if (ArrayUtils.isEmpty(list)) { 17355 Log.i(TAG, "No secure containers found"); 17356 } else { 17357 // Process list of secure containers and categorize them 17358 // as active or stale based on their package internal state. 17359 17360 // reader 17361 synchronized (mPackages) { 17362 for (String cid : list) { 17363 // Leave stages untouched for now; installer service owns them 17364 if (PackageInstallerService.isStageName(cid)) continue; 17365 17366 if (DEBUG_SD_INSTALL) 17367 Log.i(TAG, "Processing container " + cid); 17368 String pkgName = getAsecPackageName(cid); 17369 if (pkgName == null) { 17370 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17371 continue; 17372 } 17373 if (DEBUG_SD_INSTALL) 17374 Log.i(TAG, "Looking for pkg : " + pkgName); 17375 17376 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17377 if (ps == null) { 17378 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17379 continue; 17380 } 17381 17382 /* 17383 * Skip packages that are not external if we're unmounting 17384 * external storage. 17385 */ 17386 if (externalStorage && !isMounted && !isExternal(ps)) { 17387 continue; 17388 } 17389 17390 final AsecInstallArgs args = new AsecInstallArgs(cid, 17391 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17392 // The package status is changed only if the code path 17393 // matches between settings and the container id. 17394 if (ps.codePathString != null 17395 && ps.codePathString.startsWith(args.getCodePath())) { 17396 if (DEBUG_SD_INSTALL) { 17397 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17398 + " at code path: " + ps.codePathString); 17399 } 17400 17401 // We do have a valid package installed on sdcard 17402 processCids.put(args, ps.codePathString); 17403 final int uid = ps.appId; 17404 if (uid != -1) { 17405 uidArr = ArrayUtils.appendInt(uidArr, uid); 17406 } 17407 } else { 17408 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17409 + ps.codePathString); 17410 } 17411 } 17412 } 17413 17414 Arrays.sort(uidArr); 17415 } 17416 17417 // Process packages with valid entries. 17418 if (isMounted) { 17419 if (DEBUG_SD_INSTALL) 17420 Log.i(TAG, "Loading packages"); 17421 loadMediaPackages(processCids, uidArr, externalStorage); 17422 startCleaningPackages(); 17423 mInstallerService.onSecureContainersAvailable(); 17424 } else { 17425 if (DEBUG_SD_INSTALL) 17426 Log.i(TAG, "Unloading packages"); 17427 unloadMediaPackages(processCids, uidArr, reportStatus); 17428 } 17429 } 17430 17431 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17432 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17433 final int size = infos.size(); 17434 final String[] packageNames = new String[size]; 17435 final int[] packageUids = new int[size]; 17436 for (int i = 0; i < size; i++) { 17437 final ApplicationInfo info = infos.get(i); 17438 packageNames[i] = info.packageName; 17439 packageUids[i] = info.uid; 17440 } 17441 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17442 finishedReceiver); 17443 } 17444 17445 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17446 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17447 sendResourcesChangedBroadcast(mediaStatus, replacing, 17448 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17449 } 17450 17451 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17452 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17453 int size = pkgList.length; 17454 if (size > 0) { 17455 // Send broadcasts here 17456 Bundle extras = new Bundle(); 17457 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17458 if (uidArr != null) { 17459 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17460 } 17461 if (replacing) { 17462 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17463 } 17464 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17465 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17466 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17467 } 17468 } 17469 17470 /* 17471 * Look at potentially valid container ids from processCids If package 17472 * information doesn't match the one on record or package scanning fails, 17473 * the cid is added to list of removeCids. We currently don't delete stale 17474 * containers. 17475 */ 17476 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17477 boolean externalStorage) { 17478 ArrayList<String> pkgList = new ArrayList<String>(); 17479 Set<AsecInstallArgs> keys = processCids.keySet(); 17480 17481 for (AsecInstallArgs args : keys) { 17482 String codePath = processCids.get(args); 17483 if (DEBUG_SD_INSTALL) 17484 Log.i(TAG, "Loading container : " + args.cid); 17485 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17486 try { 17487 // Make sure there are no container errors first. 17488 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17489 Slog.e(TAG, "Failed to mount cid : " + args.cid 17490 + " when installing from sdcard"); 17491 continue; 17492 } 17493 // Check code path here. 17494 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17495 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17496 + " does not match one in settings " + codePath); 17497 continue; 17498 } 17499 // Parse package 17500 int parseFlags = mDefParseFlags; 17501 if (args.isExternalAsec()) { 17502 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17503 } 17504 if (args.isFwdLocked()) { 17505 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17506 } 17507 17508 synchronized (mInstallLock) { 17509 PackageParser.Package pkg = null; 17510 try { 17511 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17512 } catch (PackageManagerException e) { 17513 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17514 } 17515 // Scan the package 17516 if (pkg != null) { 17517 /* 17518 * TODO why is the lock being held? doPostInstall is 17519 * called in other places without the lock. This needs 17520 * to be straightened out. 17521 */ 17522 // writer 17523 synchronized (mPackages) { 17524 retCode = PackageManager.INSTALL_SUCCEEDED; 17525 pkgList.add(pkg.packageName); 17526 // Post process args 17527 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17528 pkg.applicationInfo.uid); 17529 } 17530 } else { 17531 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17532 } 17533 } 17534 17535 } finally { 17536 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17537 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17538 } 17539 } 17540 } 17541 // writer 17542 synchronized (mPackages) { 17543 // If the platform SDK has changed since the last time we booted, 17544 // we need to re-grant app permission to catch any new ones that 17545 // appear. This is really a hack, and means that apps can in some 17546 // cases get permissions that the user didn't initially explicitly 17547 // allow... it would be nice to have some better way to handle 17548 // this situation. 17549 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17550 : mSettings.getInternalVersion(); 17551 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17552 : StorageManager.UUID_PRIVATE_INTERNAL; 17553 17554 int updateFlags = UPDATE_PERMISSIONS_ALL; 17555 if (ver.sdkVersion != mSdkVersion) { 17556 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17557 + mSdkVersion + "; regranting permissions for external"); 17558 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17559 } 17560 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17561 17562 // Yay, everything is now upgraded 17563 ver.forceCurrent(); 17564 17565 // can downgrade to reader 17566 // Persist settings 17567 mSettings.writeLPr(); 17568 } 17569 // Send a broadcast to let everyone know we are done processing 17570 if (pkgList.size() > 0) { 17571 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17572 } 17573 } 17574 17575 /* 17576 * Utility method to unload a list of specified containers 17577 */ 17578 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17579 // Just unmount all valid containers. 17580 for (AsecInstallArgs arg : cidArgs) { 17581 synchronized (mInstallLock) { 17582 arg.doPostDeleteLI(false); 17583 } 17584 } 17585 } 17586 17587 /* 17588 * Unload packages mounted on external media. This involves deleting package 17589 * data from internal structures, sending broadcasts about disabled packages, 17590 * gc'ing to free up references, unmounting all secure containers 17591 * corresponding to packages on external media, and posting a 17592 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17593 * that we always have to post this message if status has been requested no 17594 * matter what. 17595 */ 17596 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17597 final boolean reportStatus) { 17598 if (DEBUG_SD_INSTALL) 17599 Log.i(TAG, "unloading media packages"); 17600 ArrayList<String> pkgList = new ArrayList<String>(); 17601 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17602 final Set<AsecInstallArgs> keys = processCids.keySet(); 17603 for (AsecInstallArgs args : keys) { 17604 String pkgName = args.getPackageName(); 17605 if (DEBUG_SD_INSTALL) 17606 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17607 // Delete package internally 17608 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17609 synchronized (mInstallLock) { 17610 boolean res = deletePackageLI(pkgName, null, false, null, 17611 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17612 if (res) { 17613 pkgList.add(pkgName); 17614 } else { 17615 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17616 failedList.add(args); 17617 } 17618 } 17619 } 17620 17621 // reader 17622 synchronized (mPackages) { 17623 // We didn't update the settings after removing each package; 17624 // write them now for all packages. 17625 mSettings.writeLPr(); 17626 } 17627 17628 // We have to absolutely send UPDATED_MEDIA_STATUS only 17629 // after confirming that all the receivers processed the ordered 17630 // broadcast when packages get disabled, force a gc to clean things up. 17631 // and unload all the containers. 17632 if (pkgList.size() > 0) { 17633 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17634 new IIntentReceiver.Stub() { 17635 public void performReceive(Intent intent, int resultCode, String data, 17636 Bundle extras, boolean ordered, boolean sticky, 17637 int sendingUser) throws RemoteException { 17638 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17639 reportStatus ? 1 : 0, 1, keys); 17640 mHandler.sendMessage(msg); 17641 } 17642 }); 17643 } else { 17644 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17645 keys); 17646 mHandler.sendMessage(msg); 17647 } 17648 } 17649 17650 private void loadPrivatePackages(final VolumeInfo vol) { 17651 mHandler.post(new Runnable() { 17652 @Override 17653 public void run() { 17654 loadPrivatePackagesInner(vol); 17655 } 17656 }); 17657 } 17658 17659 private void loadPrivatePackagesInner(VolumeInfo vol) { 17660 final String volumeUuid = vol.fsUuid; 17661 if (TextUtils.isEmpty(volumeUuid)) { 17662 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17663 return; 17664 } 17665 17666 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17667 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17668 17669 final VersionInfo ver; 17670 final List<PackageSetting> packages; 17671 synchronized (mPackages) { 17672 ver = mSettings.findOrCreateVersion(volumeUuid); 17673 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17674 } 17675 17676 // TODO: introduce a new concept similar to "frozen" to prevent these 17677 // apps from being launched until after data has been fully reconciled 17678 for (PackageSetting ps : packages) { 17679 synchronized (mInstallLock) { 17680 final PackageParser.Package pkg; 17681 try { 17682 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17683 loaded.add(pkg.applicationInfo); 17684 17685 } catch (PackageManagerException e) { 17686 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17687 } 17688 17689 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17690 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17691 } 17692 } 17693 } 17694 17695 // Reconcile app data for all started/unlocked users 17696 final StorageManager sm = mContext.getSystemService(StorageManager.class); 17697 final UserManager um = mContext.getSystemService(UserManager.class); 17698 for (UserInfo user : um.getUsers()) { 17699 final int flags; 17700 if (um.isUserUnlocked(user.id)) { 17701 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17702 } else if (um.isUserRunning(user.id)) { 17703 flags = StorageManager.FLAG_STORAGE_DE; 17704 } else { 17705 continue; 17706 } 17707 17708 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 17709 reconcileAppsData(volumeUuid, user.id, flags); 17710 } 17711 17712 synchronized (mPackages) { 17713 int updateFlags = UPDATE_PERMISSIONS_ALL; 17714 if (ver.sdkVersion != mSdkVersion) { 17715 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17716 + mSdkVersion + "; regranting permissions for " + volumeUuid); 17717 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17718 } 17719 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17720 17721 // Yay, everything is now upgraded 17722 ver.forceCurrent(); 17723 17724 mSettings.writeLPr(); 17725 } 17726 17727 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 17728 sendResourcesChangedBroadcast(true, false, loaded, null); 17729 } 17730 17731 private void unloadPrivatePackages(final VolumeInfo vol) { 17732 mHandler.post(new Runnable() { 17733 @Override 17734 public void run() { 17735 unloadPrivatePackagesInner(vol); 17736 } 17737 }); 17738 } 17739 17740 private void unloadPrivatePackagesInner(VolumeInfo vol) { 17741 final String volumeUuid = vol.fsUuid; 17742 if (TextUtils.isEmpty(volumeUuid)) { 17743 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 17744 return; 17745 } 17746 17747 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 17748 synchronized (mInstallLock) { 17749 synchronized (mPackages) { 17750 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 17751 for (PackageSetting ps : packages) { 17752 if (ps.pkg == null) continue; 17753 17754 final ApplicationInfo info = ps.pkg.applicationInfo; 17755 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17756 if (deletePackageLI(ps.name, null, false, null, 17757 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 17758 unloaded.add(info); 17759 } else { 17760 Slog.w(TAG, "Failed to unload " + ps.codePath); 17761 } 17762 } 17763 17764 mSettings.writeLPr(); 17765 } 17766 } 17767 17768 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 17769 sendResourcesChangedBroadcast(false, false, unloaded, null); 17770 } 17771 17772 /** 17773 * Examine all users present on given mounted volume, and destroy data 17774 * belonging to users that are no longer valid, or whose user ID has been 17775 * recycled. 17776 */ 17777 private void reconcileUsers(String volumeUuid) { 17778 // TODO: also reconcile DE directories 17779 final File[] files = FileUtils 17780 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 17781 for (File file : files) { 17782 if (!file.isDirectory()) continue; 17783 17784 final int userId; 17785 final UserInfo info; 17786 try { 17787 userId = Integer.parseInt(file.getName()); 17788 info = sUserManager.getUserInfo(userId); 17789 } catch (NumberFormatException e) { 17790 Slog.w(TAG, "Invalid user directory " + file); 17791 continue; 17792 } 17793 17794 boolean destroyUser = false; 17795 if (info == null) { 17796 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17797 + " because no matching user was found"); 17798 destroyUser = true; 17799 } else { 17800 try { 17801 UserManagerService.enforceSerialNumber(file, info.serialNumber); 17802 } catch (IOException e) { 17803 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17804 + " because we failed to enforce serial number: " + e); 17805 destroyUser = true; 17806 } 17807 } 17808 17809 if (destroyUser) { 17810 synchronized (mInstallLock) { 17811 try { 17812 mInstaller.removeUserDataDirs(volumeUuid, userId); 17813 } catch (InstallerException e) { 17814 Slog.w(TAG, "Failed to clean up user dirs", e); 17815 } 17816 } 17817 } 17818 } 17819 } 17820 17821 private void assertPackageKnown(String volumeUuid, String packageName) 17822 throws PackageManagerException { 17823 synchronized (mPackages) { 17824 final PackageSetting ps = mSettings.mPackages.get(packageName); 17825 if (ps == null) { 17826 throw new PackageManagerException("Package " + packageName + " is unknown"); 17827 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17828 throw new PackageManagerException( 17829 "Package " + packageName + " found on unknown volume " + volumeUuid 17830 + "; expected volume " + ps.volumeUuid); 17831 } 17832 } 17833 } 17834 17835 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 17836 throws PackageManagerException { 17837 synchronized (mPackages) { 17838 final PackageSetting ps = mSettings.mPackages.get(packageName); 17839 if (ps == null) { 17840 throw new PackageManagerException("Package " + packageName + " is unknown"); 17841 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17842 throw new PackageManagerException( 17843 "Package " + packageName + " found on unknown volume " + volumeUuid 17844 + "; expected volume " + ps.volumeUuid); 17845 } else if (!ps.getInstalled(userId)) { 17846 throw new PackageManagerException( 17847 "Package " + packageName + " not installed for user " + userId); 17848 } 17849 } 17850 } 17851 17852 /** 17853 * Examine all apps present on given mounted volume, and destroy apps that 17854 * aren't expected, either due to uninstallation or reinstallation on 17855 * another volume. 17856 */ 17857 private void reconcileApps(String volumeUuid) { 17858 final File[] files = FileUtils 17859 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 17860 for (File file : files) { 17861 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 17862 && !PackageInstallerService.isStageName(file.getName()); 17863 if (!isPackage) { 17864 // Ignore entries which are not packages 17865 continue; 17866 } 17867 17868 try { 17869 final PackageLite pkg = PackageParser.parsePackageLite(file, 17870 PackageParser.PARSE_MUST_BE_APK); 17871 assertPackageKnown(volumeUuid, pkg.packageName); 17872 17873 } catch (PackageParserException | PackageManagerException e) { 17874 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17875 synchronized (mInstallLock) { 17876 removeCodePathLI(file); 17877 } 17878 } 17879 } 17880 } 17881 17882 /** 17883 * Reconcile all app data for the given user. 17884 * <p> 17885 * Verifies that directories exist and that ownership and labeling is 17886 * correct for all installed apps on all mounted volumes. 17887 */ 17888 void reconcileAppsData(int userId, int flags) { 17889 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17890 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17891 final String volumeUuid = vol.getFsUuid(); 17892 reconcileAppsData(volumeUuid, userId, flags); 17893 } 17894 } 17895 17896 /** 17897 * Reconcile all app data on given mounted volume. 17898 * <p> 17899 * Destroys app data that isn't expected, either due to uninstallation or 17900 * reinstallation on another volume. 17901 * <p> 17902 * Verifies that directories exist and that ownership and labeling is 17903 * correct for all installed apps. 17904 */ 17905 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 17906 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 17907 + Integer.toHexString(flags)); 17908 17909 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 17910 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 17911 17912 boolean restoreconNeeded = false; 17913 17914 // First look for stale data that doesn't belong, and check if things 17915 // have changed since we did our last restorecon 17916 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 17917 if (!isUserKeyUnlocked(userId)) { 17918 throw new RuntimeException( 17919 "Yikes, someone asked us to reconcile CE storage while " + userId 17920 + " was still locked; this would have caused massive data loss!"); 17921 } 17922 17923 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 17924 17925 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 17926 for (File file : files) { 17927 final String packageName = file.getName(); 17928 try { 17929 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17930 } catch (PackageManagerException e) { 17931 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17932 synchronized (mInstallLock) { 17933 destroyAppDataLI(volumeUuid, packageName, userId, 17934 StorageManager.FLAG_STORAGE_CE); 17935 } 17936 } 17937 } 17938 } 17939 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 17940 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 17941 17942 final File[] files = FileUtils.listFilesOrEmpty(deDir); 17943 for (File file : files) { 17944 final String packageName = file.getName(); 17945 try { 17946 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17947 } catch (PackageManagerException e) { 17948 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17949 synchronized (mInstallLock) { 17950 destroyAppDataLI(volumeUuid, packageName, userId, 17951 StorageManager.FLAG_STORAGE_DE); 17952 } 17953 } 17954 } 17955 } 17956 17957 // Ensure that data directories are ready to roll for all packages 17958 // installed for this volume and user 17959 final List<PackageSetting> packages; 17960 synchronized (mPackages) { 17961 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17962 } 17963 int preparedCount = 0; 17964 for (PackageSetting ps : packages) { 17965 final String packageName = ps.name; 17966 if (ps.pkg == null) { 17967 Slog.w(TAG, "Odd, missing scanned package " + packageName); 17968 // TODO: might be due to legacy ASEC apps; we should circle back 17969 // and reconcile again once they're scanned 17970 continue; 17971 } 17972 17973 if (ps.getInstalled(userId)) { 17974 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 17975 preparedCount++; 17976 } 17977 } 17978 17979 if (restoreconNeeded) { 17980 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 17981 SELinuxMMAC.setRestoreconDone(ceDir); 17982 } 17983 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 17984 SELinuxMMAC.setRestoreconDone(deDir); 17985 } 17986 } 17987 17988 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 17989 + " packages; restoreconNeeded was " + restoreconNeeded); 17990 } 17991 17992 /** 17993 * Prepare app data for the given app just after it was installed or 17994 * upgraded. This method carefully only touches users that it's installed 17995 * for, and it forces a restorecon to handle any seinfo changes. 17996 * <p> 17997 * Verifies that directories exist and that ownership and labeling is 17998 * correct for all installed apps. If there is an ownership mismatch, it 17999 * will try recovering system apps by wiping data; third-party app data is 18000 * left intact. 18001 */ 18002 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18003 prepareAppDataAfterInstallInternal(pkg); 18004 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18005 for (int i = 0; i < childCount; i++) { 18006 PackageParser.Package childPackage = pkg.childPackages.get(i); 18007 prepareAppDataAfterInstallInternal(childPackage); 18008 } 18009 } 18010 18011 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18012 final PackageSetting ps; 18013 synchronized (mPackages) { 18014 ps = mSettings.mPackages.get(pkg.packageName); 18015 } 18016 18017 final UserManager um = mContext.getSystemService(UserManager.class); 18018 for (UserInfo user : um.getUsers()) { 18019 final int flags; 18020 if (um.isUserUnlocked(user.id)) { 18021 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18022 } else if (um.isUserRunning(user.id)) { 18023 flags = StorageManager.FLAG_STORAGE_DE; 18024 } else { 18025 continue; 18026 } 18027 18028 if (ps.getInstalled(user.id)) { 18029 // Whenever an app changes, force a restorecon of its data 18030 // TODO: when user data is locked, mark that we're still dirty 18031 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18032 } 18033 } 18034 } 18035 18036 /** 18037 * Prepare app data for the given app. 18038 * <p> 18039 * Verifies that directories exist and that ownership and labeling is 18040 * correct for all installed apps. If there is an ownership mismatch, this 18041 * will try recovering system apps by wiping data; third-party app data is 18042 * left intact. 18043 */ 18044 private void prepareAppData(String volumeUuid, int userId, int flags, 18045 PackageParser.Package pkg, boolean restoreconNeeded) { 18046 if (DEBUG_APP_DATA) { 18047 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18048 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18049 } 18050 18051 final String packageName = pkg.packageName; 18052 final ApplicationInfo app = pkg.applicationInfo; 18053 final int appId = UserHandle.getAppId(app.uid); 18054 18055 Preconditions.checkNotNull(app.seinfo); 18056 18057 synchronized (mInstallLock) { 18058 try { 18059 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18060 appId, app.seinfo, app.targetSdkVersion); 18061 } catch (InstallerException e) { 18062 if (app.isSystemApp()) { 18063 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18064 + ", but trying to recover: " + e); 18065 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18066 try { 18067 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18068 appId, app.seinfo, app.targetSdkVersion); 18069 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18070 } catch (InstallerException e2) { 18071 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18072 } 18073 } else { 18074 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18075 } 18076 } 18077 18078 if (restoreconNeeded) { 18079 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18080 } 18081 18082 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18083 // Create a native library symlink only if we have native libraries 18084 // and if the native libraries are 32 bit libraries. We do not provide 18085 // this symlink for 64 bit libraries. 18086 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18087 final String nativeLibPath = app.nativeLibraryDir; 18088 try { 18089 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18090 nativeLibPath, userId); 18091 } catch (InstallerException e) { 18092 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18093 } 18094 } 18095 } 18096 } 18097 } 18098 18099 private void unfreezePackage(String packageName) { 18100 synchronized (mPackages) { 18101 final PackageSetting ps = mSettings.mPackages.get(packageName); 18102 if (ps != null) { 18103 ps.frozen = false; 18104 } 18105 } 18106 } 18107 18108 @Override 18109 public int movePackage(final String packageName, final String volumeUuid) { 18110 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18111 18112 final int moveId = mNextMoveId.getAndIncrement(); 18113 mHandler.post(new Runnable() { 18114 @Override 18115 public void run() { 18116 try { 18117 movePackageInternal(packageName, volumeUuid, moveId); 18118 } catch (PackageManagerException e) { 18119 Slog.w(TAG, "Failed to move " + packageName, e); 18120 mMoveCallbacks.notifyStatusChanged(moveId, 18121 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18122 } 18123 } 18124 }); 18125 return moveId; 18126 } 18127 18128 private void movePackageInternal(final String packageName, final String volumeUuid, 18129 final int moveId) throws PackageManagerException { 18130 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18131 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18132 final PackageManager pm = mContext.getPackageManager(); 18133 18134 final boolean currentAsec; 18135 final String currentVolumeUuid; 18136 final File codeFile; 18137 final String installerPackageName; 18138 final String packageAbiOverride; 18139 final int appId; 18140 final String seinfo; 18141 final String label; 18142 final int targetSdkVersion; 18143 18144 // reader 18145 synchronized (mPackages) { 18146 final PackageParser.Package pkg = mPackages.get(packageName); 18147 final PackageSetting ps = mSettings.mPackages.get(packageName); 18148 if (pkg == null || ps == null) { 18149 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18150 } 18151 18152 if (pkg.applicationInfo.isSystemApp()) { 18153 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18154 "Cannot move system application"); 18155 } 18156 18157 if (pkg.applicationInfo.isExternalAsec()) { 18158 currentAsec = true; 18159 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18160 } else if (pkg.applicationInfo.isForwardLocked()) { 18161 currentAsec = true; 18162 currentVolumeUuid = "forward_locked"; 18163 } else { 18164 currentAsec = false; 18165 currentVolumeUuid = ps.volumeUuid; 18166 18167 final File probe = new File(pkg.codePath); 18168 final File probeOat = new File(probe, "oat"); 18169 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18170 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18171 "Move only supported for modern cluster style installs"); 18172 } 18173 } 18174 18175 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18176 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18177 "Package already moved to " + volumeUuid); 18178 } 18179 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18180 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18181 "Device admin cannot be moved"); 18182 } 18183 18184 if (ps.frozen) { 18185 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18186 "Failed to move already frozen package"); 18187 } 18188 ps.frozen = true; 18189 18190 codeFile = new File(pkg.codePath); 18191 installerPackageName = ps.installerPackageName; 18192 packageAbiOverride = ps.cpuAbiOverrideString; 18193 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18194 seinfo = pkg.applicationInfo.seinfo; 18195 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18196 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18197 } 18198 18199 // Now that we're guarded by frozen state, kill app during move 18200 final long token = Binder.clearCallingIdentity(); 18201 try { 18202 killApplication(packageName, appId, "move pkg"); 18203 } finally { 18204 Binder.restoreCallingIdentity(token); 18205 } 18206 18207 final Bundle extras = new Bundle(); 18208 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18209 extras.putString(Intent.EXTRA_TITLE, label); 18210 mMoveCallbacks.notifyCreated(moveId, extras); 18211 18212 int installFlags; 18213 final boolean moveCompleteApp; 18214 final File measurePath; 18215 18216 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18217 installFlags = INSTALL_INTERNAL; 18218 moveCompleteApp = !currentAsec; 18219 measurePath = Environment.getDataAppDirectory(volumeUuid); 18220 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18221 installFlags = INSTALL_EXTERNAL; 18222 moveCompleteApp = false; 18223 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18224 } else { 18225 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18226 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18227 || !volume.isMountedWritable()) { 18228 unfreezePackage(packageName); 18229 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18230 "Move location not mounted private volume"); 18231 } 18232 18233 Preconditions.checkState(!currentAsec); 18234 18235 installFlags = INSTALL_INTERNAL; 18236 moveCompleteApp = true; 18237 measurePath = Environment.getDataAppDirectory(volumeUuid); 18238 } 18239 18240 final PackageStats stats = new PackageStats(null, -1); 18241 synchronized (mInstaller) { 18242 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18243 unfreezePackage(packageName); 18244 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18245 "Failed to measure package size"); 18246 } 18247 } 18248 18249 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18250 + stats.dataSize); 18251 18252 final long startFreeBytes = measurePath.getFreeSpace(); 18253 final long sizeBytes; 18254 if (moveCompleteApp) { 18255 sizeBytes = stats.codeSize + stats.dataSize; 18256 } else { 18257 sizeBytes = stats.codeSize; 18258 } 18259 18260 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18261 unfreezePackage(packageName); 18262 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18263 "Not enough free space to move"); 18264 } 18265 18266 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18267 18268 final CountDownLatch installedLatch = new CountDownLatch(1); 18269 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18270 @Override 18271 public void onUserActionRequired(Intent intent) throws RemoteException { 18272 throw new IllegalStateException(); 18273 } 18274 18275 @Override 18276 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18277 Bundle extras) throws RemoteException { 18278 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18279 + PackageManager.installStatusToString(returnCode, msg)); 18280 18281 installedLatch.countDown(); 18282 18283 // Regardless of success or failure of the move operation, 18284 // always unfreeze the package 18285 unfreezePackage(packageName); 18286 18287 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18288 switch (status) { 18289 case PackageInstaller.STATUS_SUCCESS: 18290 mMoveCallbacks.notifyStatusChanged(moveId, 18291 PackageManager.MOVE_SUCCEEDED); 18292 break; 18293 case PackageInstaller.STATUS_FAILURE_STORAGE: 18294 mMoveCallbacks.notifyStatusChanged(moveId, 18295 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18296 break; 18297 default: 18298 mMoveCallbacks.notifyStatusChanged(moveId, 18299 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18300 break; 18301 } 18302 } 18303 }; 18304 18305 final MoveInfo move; 18306 if (moveCompleteApp) { 18307 // Kick off a thread to report progress estimates 18308 new Thread() { 18309 @Override 18310 public void run() { 18311 while (true) { 18312 try { 18313 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18314 break; 18315 } 18316 } catch (InterruptedException ignored) { 18317 } 18318 18319 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18320 final int progress = 10 + (int) MathUtils.constrain( 18321 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18322 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18323 } 18324 } 18325 }.start(); 18326 18327 final String dataAppName = codeFile.getName(); 18328 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18329 dataAppName, appId, seinfo, targetSdkVersion); 18330 } else { 18331 move = null; 18332 } 18333 18334 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18335 18336 final Message msg = mHandler.obtainMessage(INIT_COPY); 18337 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18338 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18339 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 18340 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18341 msg.obj = params; 18342 18343 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18344 System.identityHashCode(msg.obj)); 18345 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18346 System.identityHashCode(msg.obj)); 18347 18348 mHandler.sendMessage(msg); 18349 } 18350 18351 @Override 18352 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18353 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18354 18355 final int realMoveId = mNextMoveId.getAndIncrement(); 18356 final Bundle extras = new Bundle(); 18357 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18358 mMoveCallbacks.notifyCreated(realMoveId, extras); 18359 18360 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18361 @Override 18362 public void onCreated(int moveId, Bundle extras) { 18363 // Ignored 18364 } 18365 18366 @Override 18367 public void onStatusChanged(int moveId, int status, long estMillis) { 18368 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18369 } 18370 }; 18371 18372 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18373 storage.setPrimaryStorageUuid(volumeUuid, callback); 18374 return realMoveId; 18375 } 18376 18377 @Override 18378 public int getMoveStatus(int moveId) { 18379 mContext.enforceCallingOrSelfPermission( 18380 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18381 return mMoveCallbacks.mLastStatus.get(moveId); 18382 } 18383 18384 @Override 18385 public void registerMoveCallback(IPackageMoveObserver callback) { 18386 mContext.enforceCallingOrSelfPermission( 18387 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18388 mMoveCallbacks.register(callback); 18389 } 18390 18391 @Override 18392 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18393 mContext.enforceCallingOrSelfPermission( 18394 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18395 mMoveCallbacks.unregister(callback); 18396 } 18397 18398 @Override 18399 public boolean setInstallLocation(int loc) { 18400 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18401 null); 18402 if (getInstallLocation() == loc) { 18403 return true; 18404 } 18405 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18406 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18407 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18408 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18409 return true; 18410 } 18411 return false; 18412 } 18413 18414 @Override 18415 public int getInstallLocation() { 18416 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18417 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18418 PackageHelper.APP_INSTALL_AUTO); 18419 } 18420 18421 /** Called by UserManagerService */ 18422 void cleanUpUser(UserManagerService userManager, int userHandle) { 18423 synchronized (mPackages) { 18424 mDirtyUsers.remove(userHandle); 18425 mUserNeedsBadging.delete(userHandle); 18426 mSettings.removeUserLPw(userHandle); 18427 mPendingBroadcasts.remove(userHandle); 18428 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18429 } 18430 synchronized (mInstallLock) { 18431 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18432 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18433 final String volumeUuid = vol.getFsUuid(); 18434 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18435 try { 18436 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18437 } catch (InstallerException e) { 18438 Slog.w(TAG, "Failed to remove user data", e); 18439 } 18440 } 18441 synchronized (mPackages) { 18442 removeUnusedPackagesLILPw(userManager, userHandle); 18443 } 18444 } 18445 } 18446 18447 /** 18448 * We're removing userHandle and would like to remove any downloaded packages 18449 * that are no longer in use by any other user. 18450 * @param userHandle the user being removed 18451 */ 18452 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18453 final boolean DEBUG_CLEAN_APKS = false; 18454 int [] users = userManager.getUserIds(); 18455 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18456 while (psit.hasNext()) { 18457 PackageSetting ps = psit.next(); 18458 if (ps.pkg == null) { 18459 continue; 18460 } 18461 final String packageName = ps.pkg.packageName; 18462 // Skip over if system app 18463 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18464 continue; 18465 } 18466 if (DEBUG_CLEAN_APKS) { 18467 Slog.i(TAG, "Checking package " + packageName); 18468 } 18469 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18470 if (keep) { 18471 if (DEBUG_CLEAN_APKS) { 18472 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18473 } 18474 } else { 18475 for (int i = 0; i < users.length; i++) { 18476 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18477 keep = true; 18478 if (DEBUG_CLEAN_APKS) { 18479 Slog.i(TAG, " Keeping package " + packageName + " for user " 18480 + users[i]); 18481 } 18482 break; 18483 } 18484 } 18485 } 18486 if (!keep) { 18487 if (DEBUG_CLEAN_APKS) { 18488 Slog.i(TAG, " Removing package " + packageName); 18489 } 18490 mHandler.post(new Runnable() { 18491 public void run() { 18492 deletePackageX(packageName, userHandle, 0); 18493 } //end run 18494 }); 18495 } 18496 } 18497 } 18498 18499 /** Called by UserManagerService */ 18500 void createNewUser(int userHandle) { 18501 synchronized (mInstallLock) { 18502 try { 18503 mInstaller.createUserConfig(userHandle); 18504 } catch (InstallerException e) { 18505 Slog.w(TAG, "Failed to create user config", e); 18506 } 18507 mSettings.createNewUserLI(this, mInstaller, userHandle); 18508 } 18509 synchronized (mPackages) { 18510 applyFactoryDefaultBrowserLPw(userHandle); 18511 primeDomainVerificationsLPw(userHandle); 18512 } 18513 } 18514 18515 void newUserCreated(final int userHandle) { 18516 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18517 // If permission review for legacy apps is required, we represent 18518 // dagerous permissions for such apps as always granted runtime 18519 // permissions to keep per user flag state whether review is needed. 18520 // Hence, if a new user is added we have to propagate dangerous 18521 // permission grants for these legacy apps. 18522 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18523 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18524 | UPDATE_PERMISSIONS_REPLACE_ALL); 18525 } 18526 } 18527 18528 @Override 18529 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18530 mContext.enforceCallingOrSelfPermission( 18531 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18532 "Only package verification agents can read the verifier device identity"); 18533 18534 synchronized (mPackages) { 18535 return mSettings.getVerifierDeviceIdentityLPw(); 18536 } 18537 } 18538 18539 @Override 18540 public void setPermissionEnforced(String permission, boolean enforced) { 18541 // TODO: Now that we no longer change GID for storage, this should to away. 18542 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18543 "setPermissionEnforced"); 18544 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18545 synchronized (mPackages) { 18546 if (mSettings.mReadExternalStorageEnforced == null 18547 || mSettings.mReadExternalStorageEnforced != enforced) { 18548 mSettings.mReadExternalStorageEnforced = enforced; 18549 mSettings.writeLPr(); 18550 } 18551 } 18552 // kill any non-foreground processes so we restart them and 18553 // grant/revoke the GID. 18554 final IActivityManager am = ActivityManagerNative.getDefault(); 18555 if (am != null) { 18556 final long token = Binder.clearCallingIdentity(); 18557 try { 18558 am.killProcessesBelowForeground("setPermissionEnforcement"); 18559 } catch (RemoteException e) { 18560 } finally { 18561 Binder.restoreCallingIdentity(token); 18562 } 18563 } 18564 } else { 18565 throw new IllegalArgumentException("No selective enforcement for " + permission); 18566 } 18567 } 18568 18569 @Override 18570 @Deprecated 18571 public boolean isPermissionEnforced(String permission) { 18572 return true; 18573 } 18574 18575 @Override 18576 public boolean isStorageLow() { 18577 final long token = Binder.clearCallingIdentity(); 18578 try { 18579 final DeviceStorageMonitorInternal 18580 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18581 if (dsm != null) { 18582 return dsm.isMemoryLow(); 18583 } else { 18584 return false; 18585 } 18586 } finally { 18587 Binder.restoreCallingIdentity(token); 18588 } 18589 } 18590 18591 @Override 18592 public IPackageInstaller getPackageInstaller() { 18593 return mInstallerService; 18594 } 18595 18596 private boolean userNeedsBadging(int userId) { 18597 int index = mUserNeedsBadging.indexOfKey(userId); 18598 if (index < 0) { 18599 final UserInfo userInfo; 18600 final long token = Binder.clearCallingIdentity(); 18601 try { 18602 userInfo = sUserManager.getUserInfo(userId); 18603 } finally { 18604 Binder.restoreCallingIdentity(token); 18605 } 18606 final boolean b; 18607 if (userInfo != null && userInfo.isManagedProfile()) { 18608 b = true; 18609 } else { 18610 b = false; 18611 } 18612 mUserNeedsBadging.put(userId, b); 18613 return b; 18614 } 18615 return mUserNeedsBadging.valueAt(index); 18616 } 18617 18618 @Override 18619 public KeySet getKeySetByAlias(String packageName, String alias) { 18620 if (packageName == null || alias == null) { 18621 return null; 18622 } 18623 synchronized(mPackages) { 18624 final PackageParser.Package pkg = mPackages.get(packageName); 18625 if (pkg == null) { 18626 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18627 throw new IllegalArgumentException("Unknown package: " + packageName); 18628 } 18629 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18630 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18631 } 18632 } 18633 18634 @Override 18635 public KeySet getSigningKeySet(String packageName) { 18636 if (packageName == null) { 18637 return null; 18638 } 18639 synchronized(mPackages) { 18640 final PackageParser.Package pkg = mPackages.get(packageName); 18641 if (pkg == null) { 18642 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18643 throw new IllegalArgumentException("Unknown package: " + packageName); 18644 } 18645 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18646 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18647 throw new SecurityException("May not access signing KeySet of other apps."); 18648 } 18649 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18650 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18651 } 18652 } 18653 18654 @Override 18655 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18656 if (packageName == null || ks == null) { 18657 return false; 18658 } 18659 synchronized(mPackages) { 18660 final PackageParser.Package pkg = mPackages.get(packageName); 18661 if (pkg == null) { 18662 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18663 throw new IllegalArgumentException("Unknown package: " + packageName); 18664 } 18665 IBinder ksh = ks.getToken(); 18666 if (ksh instanceof KeySetHandle) { 18667 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18668 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 18669 } 18670 return false; 18671 } 18672 } 18673 18674 @Override 18675 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 18676 if (packageName == null || ks == null) { 18677 return false; 18678 } 18679 synchronized(mPackages) { 18680 final PackageParser.Package pkg = mPackages.get(packageName); 18681 if (pkg == null) { 18682 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18683 throw new IllegalArgumentException("Unknown package: " + packageName); 18684 } 18685 IBinder ksh = ks.getToken(); 18686 if (ksh instanceof KeySetHandle) { 18687 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18688 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 18689 } 18690 return false; 18691 } 18692 } 18693 18694 private void deletePackageIfUnusedLPr(final String packageName) { 18695 PackageSetting ps = mSettings.mPackages.get(packageName); 18696 if (ps == null) { 18697 return; 18698 } 18699 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 18700 // TODO Implement atomic delete if package is unused 18701 // It is currently possible that the package will be deleted even if it is installed 18702 // after this method returns. 18703 mHandler.post(new Runnable() { 18704 public void run() { 18705 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 18706 } 18707 }); 18708 } 18709 } 18710 18711 /** 18712 * Check and throw if the given before/after packages would be considered a 18713 * downgrade. 18714 */ 18715 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 18716 throws PackageManagerException { 18717 if (after.versionCode < before.mVersionCode) { 18718 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18719 "Update version code " + after.versionCode + " is older than current " 18720 + before.mVersionCode); 18721 } else if (after.versionCode == before.mVersionCode) { 18722 if (after.baseRevisionCode < before.baseRevisionCode) { 18723 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18724 "Update base revision code " + after.baseRevisionCode 18725 + " is older than current " + before.baseRevisionCode); 18726 } 18727 18728 if (!ArrayUtils.isEmpty(after.splitNames)) { 18729 for (int i = 0; i < after.splitNames.length; i++) { 18730 final String splitName = after.splitNames[i]; 18731 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 18732 if (j != -1) { 18733 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 18734 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18735 "Update split " + splitName + " revision code " 18736 + after.splitRevisionCodes[i] + " is older than current " 18737 + before.splitRevisionCodes[j]); 18738 } 18739 } 18740 } 18741 } 18742 } 18743 } 18744 18745 private static class MoveCallbacks extends Handler { 18746 private static final int MSG_CREATED = 1; 18747 private static final int MSG_STATUS_CHANGED = 2; 18748 18749 private final RemoteCallbackList<IPackageMoveObserver> 18750 mCallbacks = new RemoteCallbackList<>(); 18751 18752 private final SparseIntArray mLastStatus = new SparseIntArray(); 18753 18754 public MoveCallbacks(Looper looper) { 18755 super(looper); 18756 } 18757 18758 public void register(IPackageMoveObserver callback) { 18759 mCallbacks.register(callback); 18760 } 18761 18762 public void unregister(IPackageMoveObserver callback) { 18763 mCallbacks.unregister(callback); 18764 } 18765 18766 @Override 18767 public void handleMessage(Message msg) { 18768 final SomeArgs args = (SomeArgs) msg.obj; 18769 final int n = mCallbacks.beginBroadcast(); 18770 for (int i = 0; i < n; i++) { 18771 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 18772 try { 18773 invokeCallback(callback, msg.what, args); 18774 } catch (RemoteException ignored) { 18775 } 18776 } 18777 mCallbacks.finishBroadcast(); 18778 args.recycle(); 18779 } 18780 18781 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 18782 throws RemoteException { 18783 switch (what) { 18784 case MSG_CREATED: { 18785 callback.onCreated(args.argi1, (Bundle) args.arg2); 18786 break; 18787 } 18788 case MSG_STATUS_CHANGED: { 18789 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 18790 break; 18791 } 18792 } 18793 } 18794 18795 private void notifyCreated(int moveId, Bundle extras) { 18796 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 18797 18798 final SomeArgs args = SomeArgs.obtain(); 18799 args.argi1 = moveId; 18800 args.arg2 = extras; 18801 obtainMessage(MSG_CREATED, args).sendToTarget(); 18802 } 18803 18804 private void notifyStatusChanged(int moveId, int status) { 18805 notifyStatusChanged(moveId, status, -1); 18806 } 18807 18808 private void notifyStatusChanged(int moveId, int status, long estMillis) { 18809 Slog.v(TAG, "Move " + moveId + " status " + status); 18810 18811 final SomeArgs args = SomeArgs.obtain(); 18812 args.argi1 = moveId; 18813 args.argi2 = status; 18814 args.arg3 = estMillis; 18815 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 18816 18817 synchronized (mLastStatus) { 18818 mLastStatus.put(moveId, status); 18819 } 18820 } 18821 } 18822 18823 private final static class OnPermissionChangeListeners extends Handler { 18824 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 18825 18826 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 18827 new RemoteCallbackList<>(); 18828 18829 public OnPermissionChangeListeners(Looper looper) { 18830 super(looper); 18831 } 18832 18833 @Override 18834 public void handleMessage(Message msg) { 18835 switch (msg.what) { 18836 case MSG_ON_PERMISSIONS_CHANGED: { 18837 final int uid = msg.arg1; 18838 handleOnPermissionsChanged(uid); 18839 } break; 18840 } 18841 } 18842 18843 public void addListenerLocked(IOnPermissionsChangeListener listener) { 18844 mPermissionListeners.register(listener); 18845 18846 } 18847 18848 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 18849 mPermissionListeners.unregister(listener); 18850 } 18851 18852 public void onPermissionsChanged(int uid) { 18853 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 18854 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 18855 } 18856 } 18857 18858 private void handleOnPermissionsChanged(int uid) { 18859 final int count = mPermissionListeners.beginBroadcast(); 18860 try { 18861 for (int i = 0; i < count; i++) { 18862 IOnPermissionsChangeListener callback = mPermissionListeners 18863 .getBroadcastItem(i); 18864 try { 18865 callback.onPermissionsChanged(uid); 18866 } catch (RemoteException e) { 18867 Log.e(TAG, "Permission listener is dead", e); 18868 } 18869 } 18870 } finally { 18871 mPermissionListeners.finishBroadcast(); 18872 } 18873 } 18874 } 18875 18876 private class PackageManagerInternalImpl extends PackageManagerInternal { 18877 @Override 18878 public void setLocationPackagesProvider(PackagesProvider provider) { 18879 synchronized (mPackages) { 18880 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 18881 } 18882 } 18883 18884 @Override 18885 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 18886 synchronized (mPackages) { 18887 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 18888 } 18889 } 18890 18891 @Override 18892 public void setSmsAppPackagesProvider(PackagesProvider provider) { 18893 synchronized (mPackages) { 18894 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 18895 } 18896 } 18897 18898 @Override 18899 public void setDialerAppPackagesProvider(PackagesProvider provider) { 18900 synchronized (mPackages) { 18901 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 18902 } 18903 } 18904 18905 @Override 18906 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 18907 synchronized (mPackages) { 18908 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 18909 } 18910 } 18911 18912 @Override 18913 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 18914 synchronized (mPackages) { 18915 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 18916 } 18917 } 18918 18919 @Override 18920 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 18921 synchronized (mPackages) { 18922 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 18923 packageName, userId); 18924 } 18925 } 18926 18927 @Override 18928 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 18929 synchronized (mPackages) { 18930 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 18931 packageName, userId); 18932 } 18933 } 18934 18935 @Override 18936 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 18937 synchronized (mPackages) { 18938 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 18939 packageName, userId); 18940 } 18941 } 18942 18943 @Override 18944 public void setKeepUninstalledPackages(final List<String> packageList) { 18945 Preconditions.checkNotNull(packageList); 18946 List<String> removedFromList = null; 18947 synchronized (mPackages) { 18948 if (mKeepUninstalledPackages != null) { 18949 final int packagesCount = mKeepUninstalledPackages.size(); 18950 for (int i = 0; i < packagesCount; i++) { 18951 String oldPackage = mKeepUninstalledPackages.get(i); 18952 if (packageList != null && packageList.contains(oldPackage)) { 18953 continue; 18954 } 18955 if (removedFromList == null) { 18956 removedFromList = new ArrayList<>(); 18957 } 18958 removedFromList.add(oldPackage); 18959 } 18960 } 18961 mKeepUninstalledPackages = new ArrayList<>(packageList); 18962 if (removedFromList != null) { 18963 final int removedCount = removedFromList.size(); 18964 for (int i = 0; i < removedCount; i++) { 18965 deletePackageIfUnusedLPr(removedFromList.get(i)); 18966 } 18967 } 18968 } 18969 } 18970 18971 @Override 18972 public boolean isPermissionsReviewRequired(String packageName, int userId) { 18973 synchronized (mPackages) { 18974 // If we do not support permission review, done. 18975 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 18976 return false; 18977 } 18978 18979 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 18980 if (packageSetting == null) { 18981 return false; 18982 } 18983 18984 // Permission review applies only to apps not supporting the new permission model. 18985 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 18986 return false; 18987 } 18988 18989 // Legacy apps have the permission and get user consent on launch. 18990 PermissionsState permissionsState = packageSetting.getPermissionsState(); 18991 return permissionsState.isPermissionReviewRequired(userId); 18992 } 18993 } 18994 } 18995 18996 @Override 18997 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 18998 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 18999 synchronized (mPackages) { 19000 final long identity = Binder.clearCallingIdentity(); 19001 try { 19002 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19003 packageNames, userId); 19004 } finally { 19005 Binder.restoreCallingIdentity(identity); 19006 } 19007 } 19008 } 19009 19010 private static void enforceSystemOrPhoneCaller(String tag) { 19011 int callingUid = Binder.getCallingUid(); 19012 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19013 throw new SecurityException( 19014 "Cannot call " + tag + " from UID " + callingUid); 19015 } 19016 } 19017 19018 boolean isHistoricalPackageUsageAvailable() { 19019 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19020 } 19021} 19022