PackageManagerService.java revision d7b1f41109abee60ec8529369a85d84300b1d678
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_DOESNT_EXIST; 69import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 70import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 71import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 72import static android.content.pm.PackageManager.PERMISSION_DENIED; 73import static android.content.pm.PackageManager.PERMISSION_GRANTED; 74import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 75import static android.content.pm.PackageParser.isApkFile; 76import static android.os.Process.PACKAGE_INFO_GID; 77import static android.os.Process.SYSTEM_UID; 78import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 79import static android.system.OsConstants.O_CREAT; 80import static android.system.OsConstants.O_RDWR; 81 82import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 83import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 84import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 85import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 86import static com.android.internal.util.ArrayUtils.appendInt; 87import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 88import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 89import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 90import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 91import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 92import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 93import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 94import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 95import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 96 97import android.Manifest; 98import android.annotation.NonNull; 99import android.annotation.Nullable; 100import android.app.ActivityManager; 101import android.app.ActivityManagerNative; 102import android.app.AppGlobals; 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.Package; 145import android.content.pm.PackageParser.PackageLite; 146import android.content.pm.PackageParser.PackageParserException; 147import android.content.pm.PackageStats; 148import android.content.pm.PackageUserState; 149import android.content.pm.ParceledListSlice; 150import android.content.pm.PermissionGroupInfo; 151import android.content.pm.PermissionInfo; 152import android.content.pm.ProviderInfo; 153import android.content.pm.ResolveInfo; 154import android.content.pm.ServiceInfo; 155import android.content.pm.Signature; 156import android.content.pm.UserInfo; 157import android.content.pm.VerificationParams; 158import android.content.pm.VerifierDeviceIdentity; 159import android.content.pm.VerifierInfo; 160import android.content.res.Resources; 161import android.graphics.Bitmap; 162import android.hardware.display.DisplayManager; 163import android.net.Uri; 164import android.os.Binder; 165import android.os.Build; 166import android.os.Bundle; 167import android.os.Debug; 168import android.os.Environment; 169import android.os.Environment.UserEnvironment; 170import android.os.FileUtils; 171import android.os.Handler; 172import android.os.IBinder; 173import android.os.Looper; 174import android.os.Message; 175import android.os.Parcel; 176import android.os.ParcelFileDescriptor; 177import android.os.Process; 178import android.os.RemoteCallbackList; 179import android.os.RemoteException; 180import android.os.ResultReceiver; 181import android.os.SELinux; 182import android.os.ServiceManager; 183import android.os.SystemClock; 184import android.os.SystemProperties; 185import android.os.Trace; 186import android.os.UserHandle; 187import android.os.UserManager; 188import android.os.storage.IMountService; 189import android.os.storage.MountServiceInternal; 190import android.os.storage.StorageEventListener; 191import android.os.storage.StorageManager; 192import android.os.storage.VolumeInfo; 193import android.os.storage.VolumeRecord; 194import android.security.KeyStore; 195import android.security.SystemKeyStore; 196import android.system.ErrnoException; 197import android.system.Os; 198import android.text.TextUtils; 199import android.text.format.DateUtils; 200import android.util.ArrayMap; 201import android.util.ArraySet; 202import android.util.AtomicFile; 203import android.util.DisplayMetrics; 204import android.util.EventLog; 205import android.util.ExceptionUtils; 206import android.util.Log; 207import android.util.LogPrinter; 208import android.util.MathUtils; 209import android.util.PrintStreamPrinter; 210import android.util.Slog; 211import android.util.SparseArray; 212import android.util.SparseBooleanArray; 213import android.util.SparseIntArray; 214import android.util.Xml; 215import android.view.Display; 216 217import com.android.internal.R; 218import com.android.internal.annotations.GuardedBy; 219import com.android.internal.app.IMediaContainerService; 220import com.android.internal.app.ResolverActivity; 221import com.android.internal.content.NativeLibraryHelper; 222import com.android.internal.content.PackageHelper; 223import com.android.internal.os.IParcelFileDescriptorFactory; 224import com.android.internal.os.InstallerConnection.InstallerException; 225import com.android.internal.os.SomeArgs; 226import com.android.internal.os.Zygote; 227import com.android.internal.util.ArrayUtils; 228import com.android.internal.util.FastPrintWriter; 229import com.android.internal.util.FastXmlSerializer; 230import com.android.internal.util.IndentingPrintWriter; 231import com.android.internal.util.Preconditions; 232import com.android.internal.util.XmlUtils; 233import com.android.server.EventLogTags; 234import com.android.server.FgThread; 235import com.android.server.IntentResolver; 236import com.android.server.LocalServices; 237import com.android.server.ServiceThread; 238import com.android.server.SystemConfig; 239import com.android.server.Watchdog; 240import com.android.server.pm.PermissionsState.PermissionState; 241import com.android.server.pm.Settings.DatabaseVersion; 242import com.android.server.pm.Settings.VersionInfo; 243import com.android.server.storage.DeviceStorageMonitorInternal; 244 245import dalvik.system.DexFile; 246import dalvik.system.VMRuntime; 247 248import libcore.io.IoUtils; 249import libcore.util.EmptyArray; 250 251import org.xmlpull.v1.XmlPullParser; 252import org.xmlpull.v1.XmlPullParserException; 253import org.xmlpull.v1.XmlSerializer; 254 255import java.io.BufferedInputStream; 256import java.io.BufferedOutputStream; 257import java.io.BufferedReader; 258import java.io.ByteArrayInputStream; 259import java.io.ByteArrayOutputStream; 260import java.io.File; 261import java.io.FileDescriptor; 262import java.io.FileNotFoundException; 263import java.io.FileOutputStream; 264import java.io.FileReader; 265import java.io.FilenameFilter; 266import java.io.IOException; 267import java.io.InputStream; 268import java.io.PrintStream; 269import java.io.PrintWriter; 270import java.nio.charset.StandardCharsets; 271import java.security.MessageDigest; 272import java.security.NoSuchAlgorithmException; 273import java.security.PublicKey; 274import java.security.cert.CertificateEncodingException; 275import java.security.cert.CertificateException; 276import java.text.SimpleDateFormat; 277import java.util.ArrayList; 278import java.util.Arrays; 279import java.util.Collection; 280import java.util.Collections; 281import java.util.Comparator; 282import java.util.Date; 283import java.util.HashSet; 284import java.util.Iterator; 285import java.util.List; 286import java.util.Map; 287import java.util.Objects; 288import java.util.Set; 289import java.util.concurrent.CountDownLatch; 290import java.util.concurrent.TimeUnit; 291import java.util.concurrent.atomic.AtomicBoolean; 292import java.util.concurrent.atomic.AtomicInteger; 293import java.util.concurrent.atomic.AtomicLong; 294 295/** 296 * Keep track of all those .apks everywhere. 297 * 298 * This is very central to the platform's security; please run the unit 299 * tests whenever making modifications here: 300 * 301runtest -c android.content.pm.PackageManagerTests frameworks-core 302 * 303 * {@hide} 304 */ 305public class PackageManagerService extends IPackageManager.Stub { 306 static final String TAG = "PackageManager"; 307 static final boolean DEBUG_SETTINGS = false; 308 static final boolean DEBUG_PREFERRED = false; 309 static final boolean DEBUG_UPGRADE = false; 310 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 311 private static final boolean DEBUG_BACKUP = false; 312 private static final boolean DEBUG_INSTALL = false; 313 private static final boolean DEBUG_REMOVE = false; 314 private static final boolean DEBUG_BROADCASTS = false; 315 private static final boolean DEBUG_SHOW_INFO = false; 316 private static final boolean DEBUG_PACKAGE_INFO = false; 317 private static final boolean DEBUG_INTENT_MATCHING = false; 318 private static final boolean DEBUG_PACKAGE_SCANNING = false; 319 private static final boolean DEBUG_VERIFY = false; 320 321 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 322 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 323 // user, but by default initialize to this. 324 static final boolean DEBUG_DEXOPT = false; 325 326 private static final boolean DEBUG_ABI_SELECTION = false; 327 private static final boolean DEBUG_EPHEMERAL = false; 328 private static final boolean DEBUG_TRIAGED_MISSING = false; 329 private static final boolean DEBUG_APP_DATA = false; 330 331 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 332 333 private static final boolean DISABLE_EPHEMERAL_APPS = true; 334 335 private static final int RADIO_UID = Process.PHONE_UID; 336 private static final int LOG_UID = Process.LOG_UID; 337 private static final int NFC_UID = Process.NFC_UID; 338 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 339 private static final int SHELL_UID = Process.SHELL_UID; 340 341 // Cap the size of permission trees that 3rd party apps can define 342 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 343 344 // Suffix used during package installation when copying/moving 345 // package apks to install directory. 346 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 347 348 static final int SCAN_NO_DEX = 1<<1; 349 static final int SCAN_FORCE_DEX = 1<<2; 350 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 351 static final int SCAN_NEW_INSTALL = 1<<4; 352 static final int SCAN_NO_PATHS = 1<<5; 353 static final int SCAN_UPDATE_TIME = 1<<6; 354 static final int SCAN_DEFER_DEX = 1<<7; 355 static final int SCAN_BOOTING = 1<<8; 356 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 357 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 358 static final int SCAN_REPLACING = 1<<11; 359 static final int SCAN_REQUIRE_KNOWN = 1<<12; 360 static final int SCAN_MOVE = 1<<13; 361 static final int SCAN_INITIAL = 1<<14; 362 static final int SCAN_CHECK_ONLY = 1<<15; 363 364 static final int REMOVE_CHATTY = 1<<16; 365 366 private static final int[] EMPTY_INT_ARRAY = new int[0]; 367 368 /** 369 * Timeout (in milliseconds) after which the watchdog should declare that 370 * our handler thread is wedged. The usual default for such things is one 371 * minute but we sometimes do very lengthy I/O operations on this thread, 372 * such as installing multi-gigabyte applications, so ours needs to be longer. 373 */ 374 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 375 376 /** 377 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 378 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 379 * settings entry if available, otherwise we use the hardcoded default. If it's been 380 * more than this long since the last fstrim, we force one during the boot sequence. 381 * 382 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 383 * one gets run at the next available charging+idle time. This final mandatory 384 * no-fstrim check kicks in only of the other scheduling criteria is never met. 385 */ 386 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 387 388 /** 389 * Whether verification is enabled by default. 390 */ 391 private static final boolean DEFAULT_VERIFY_ENABLE = true; 392 393 /** 394 * The default maximum time to wait for the verification agent to return in 395 * milliseconds. 396 */ 397 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 398 399 /** 400 * The default response for package verification timeout. 401 * 402 * This can be either PackageManager.VERIFICATION_ALLOW or 403 * PackageManager.VERIFICATION_REJECT. 404 */ 405 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 406 407 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 408 409 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 410 DEFAULT_CONTAINER_PACKAGE, 411 "com.android.defcontainer.DefaultContainerService"); 412 413 private static final String KILL_APP_REASON_GIDS_CHANGED = 414 "permission grant or revoke changed gids"; 415 416 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 417 "permissions revoked"; 418 419 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 420 421 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 422 423 /** Permission grant: not grant the permission. */ 424 private static final int GRANT_DENIED = 1; 425 426 /** Permission grant: grant the permission as an install permission. */ 427 private static final int GRANT_INSTALL = 2; 428 429 /** Permission grant: grant the permission as a runtime one. */ 430 private static final int GRANT_RUNTIME = 3; 431 432 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 433 private static final int GRANT_UPGRADE = 4; 434 435 /** Canonical intent used to identify what counts as a "web browser" app */ 436 private static final Intent sBrowserIntent; 437 static { 438 sBrowserIntent = new Intent(); 439 sBrowserIntent.setAction(Intent.ACTION_VIEW); 440 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 441 sBrowserIntent.setData(Uri.parse("http:")); 442 } 443 444 final ServiceThread mHandlerThread; 445 446 final PackageHandler mHandler; 447 448 /** 449 * Messages for {@link #mHandler} that need to wait for system ready before 450 * being dispatched. 451 */ 452 private ArrayList<Message> mPostSystemReadyMessages; 453 454 final int mSdkVersion = Build.VERSION.SDK_INT; 455 456 final Context mContext; 457 final boolean mFactoryTest; 458 final boolean mOnlyCore; 459 final DisplayMetrics mMetrics; 460 final int mDefParseFlags; 461 final String[] mSeparateProcesses; 462 final boolean mIsUpgrade; 463 464 /** The location for ASEC container files on internal storage. */ 465 final String mAsecInternalPath; 466 467 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 468 // LOCK HELD. Can be called with mInstallLock held. 469 @GuardedBy("mInstallLock") 470 final Installer mInstaller; 471 472 /** Directory where installed third-party apps stored */ 473 final File mAppInstallDir; 474 final File mEphemeralInstallDir; 475 476 /** 477 * Directory to which applications installed internally have their 478 * 32 bit native libraries copied. 479 */ 480 private File mAppLib32InstallDir; 481 482 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 483 // apps. 484 final File mDrmAppPrivateInstallDir; 485 486 // ---------------------------------------------------------------- 487 488 // Lock for state used when installing and doing other long running 489 // operations. Methods that must be called with this lock held have 490 // the suffix "LI". 491 final Object mInstallLock = new Object(); 492 493 // ---------------------------------------------------------------- 494 495 // Keys are String (package name), values are Package. This also serves 496 // as the lock for the global state. Methods that must be called with 497 // this lock held have the prefix "LP". 498 @GuardedBy("mPackages") 499 final ArrayMap<String, PackageParser.Package> mPackages = 500 new ArrayMap<String, PackageParser.Package>(); 501 502 // Tracks available target package names -> overlay package paths. 503 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 504 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 505 506 /** 507 * Tracks new system packages [received in an OTA] that we expect to 508 * find updated user-installed versions. Keys are package name, values 509 * are package location. 510 */ 511 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 512 513 /** 514 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 515 */ 516 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 517 /** 518 * Whether or not system app permissions should be promoted from install to runtime. 519 */ 520 boolean mPromoteSystemApps; 521 522 final Settings mSettings; 523 boolean mRestoredSettings; 524 525 // System configuration read by SystemConfig. 526 final int[] mGlobalGids; 527 final SparseArray<ArraySet<String>> mSystemPermissions; 528 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 529 530 // If mac_permissions.xml was found for seinfo labeling. 531 boolean mFoundPolicyFile; 532 533 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 534 535 public static final class SharedLibraryEntry { 536 public final String path; 537 public final String apk; 538 539 SharedLibraryEntry(String _path, String _apk) { 540 path = _path; 541 apk = _apk; 542 } 543 } 544 545 // Currently known shared libraries. 546 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 547 new ArrayMap<String, SharedLibraryEntry>(); 548 549 // All available activities, for your resolving pleasure. 550 final ActivityIntentResolver mActivities = 551 new ActivityIntentResolver(); 552 553 // All available receivers, for your resolving pleasure. 554 final ActivityIntentResolver mReceivers = 555 new ActivityIntentResolver(); 556 557 // All available services, for your resolving pleasure. 558 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 559 560 // All available providers, for your resolving pleasure. 561 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 562 563 // Mapping from provider base names (first directory in content URI codePath) 564 // to the provider information. 565 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 566 new ArrayMap<String, PackageParser.Provider>(); 567 568 // Mapping from instrumentation class names to info about them. 569 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 570 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 571 572 // Mapping from permission names to info about them. 573 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 574 new ArrayMap<String, PackageParser.PermissionGroup>(); 575 576 // Packages whose data we have transfered into another package, thus 577 // should no longer exist. 578 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 579 580 // Broadcast actions that are only available to the system. 581 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 582 583 /** List of packages waiting for verification. */ 584 final SparseArray<PackageVerificationState> mPendingVerification 585 = new SparseArray<PackageVerificationState>(); 586 587 /** Set of packages associated with each app op permission. */ 588 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 589 590 final PackageInstallerService mInstallerService; 591 592 private final PackageDexOptimizer mPackageDexOptimizer; 593 594 private AtomicInteger mNextMoveId = new AtomicInteger(); 595 private final MoveCallbacks mMoveCallbacks; 596 597 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 598 599 // Cache of users who need badging. 600 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 601 602 /** Token for keys in mPendingVerification. */ 603 private int mPendingVerificationToken = 0; 604 605 volatile boolean mSystemReady; 606 volatile boolean mSafeMode; 607 volatile boolean mHasSystemUidErrors; 608 609 ApplicationInfo mAndroidApplication; 610 final ActivityInfo mResolveActivity = new ActivityInfo(); 611 final ResolveInfo mResolveInfo = new ResolveInfo(); 612 ComponentName mResolveComponentName; 613 PackageParser.Package mPlatformPackage; 614 ComponentName mCustomResolverComponentName; 615 616 boolean mResolverReplaced = false; 617 618 private final @Nullable ComponentName mIntentFilterVerifierComponent; 619 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 620 621 private int mIntentFilterVerificationToken = 0; 622 623 /** Component that knows whether or not an ephemeral application exists */ 624 final ComponentName mEphemeralResolverComponent; 625 /** The service connection to the ephemeral resolver */ 626 final EphemeralResolverConnection mEphemeralResolverConnection; 627 628 /** Component used to install ephemeral applications */ 629 final ComponentName mEphemeralInstallerComponent; 630 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 631 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 632 633 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 634 = new SparseArray<IntentFilterVerificationState>(); 635 636 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 637 new DefaultPermissionGrantPolicy(this); 638 639 // List of packages names to keep cached, even if they are uninstalled for all users 640 private List<String> mKeepUninstalledPackages; 641 642 private boolean mUseJitProfiles = 643 SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false); 644 645 private static class IFVerificationParams { 646 PackageParser.Package pkg; 647 boolean replacing; 648 int userId; 649 int verifierUid; 650 651 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 652 int _userId, int _verifierUid) { 653 pkg = _pkg; 654 replacing = _replacing; 655 userId = _userId; 656 replacing = _replacing; 657 verifierUid = _verifierUid; 658 } 659 } 660 661 private interface IntentFilterVerifier<T extends IntentFilter> { 662 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 663 T filter, String packageName); 664 void startVerifications(int userId); 665 void receiveVerificationResponse(int verificationId); 666 } 667 668 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 669 private Context mContext; 670 private ComponentName mIntentFilterVerifierComponent; 671 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 672 673 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 674 mContext = context; 675 mIntentFilterVerifierComponent = verifierComponent; 676 } 677 678 private String getDefaultScheme() { 679 return IntentFilter.SCHEME_HTTPS; 680 } 681 682 @Override 683 public void startVerifications(int userId) { 684 // Launch verifications requests 685 int count = mCurrentIntentFilterVerifications.size(); 686 for (int n=0; n<count; n++) { 687 int verificationId = mCurrentIntentFilterVerifications.get(n); 688 final IntentFilterVerificationState ivs = 689 mIntentFilterVerificationStates.get(verificationId); 690 691 String packageName = ivs.getPackageName(); 692 693 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 694 final int filterCount = filters.size(); 695 ArraySet<String> domainsSet = new ArraySet<>(); 696 for (int m=0; m<filterCount; m++) { 697 PackageParser.ActivityIntentInfo filter = filters.get(m); 698 domainsSet.addAll(filter.getHostsList()); 699 } 700 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 701 synchronized (mPackages) { 702 if (mSettings.createIntentFilterVerificationIfNeededLPw( 703 packageName, domainsList) != null) { 704 scheduleWriteSettingsLocked(); 705 } 706 } 707 sendVerificationRequest(userId, verificationId, ivs); 708 } 709 mCurrentIntentFilterVerifications.clear(); 710 } 711 712 private void sendVerificationRequest(int userId, int verificationId, 713 IntentFilterVerificationState ivs) { 714 715 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 716 verificationIntent.putExtra( 717 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 718 verificationId); 719 verificationIntent.putExtra( 720 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 721 getDefaultScheme()); 722 verificationIntent.putExtra( 723 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 724 ivs.getHostsString()); 725 verificationIntent.putExtra( 726 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 727 ivs.getPackageName()); 728 verificationIntent.setComponent(mIntentFilterVerifierComponent); 729 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 730 731 UserHandle user = new UserHandle(userId); 732 mContext.sendBroadcastAsUser(verificationIntent, user); 733 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 734 "Sending IntentFilter verification broadcast"); 735 } 736 737 public void receiveVerificationResponse(int verificationId) { 738 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 739 740 final boolean verified = ivs.isVerified(); 741 742 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 743 final int count = filters.size(); 744 if (DEBUG_DOMAIN_VERIFICATION) { 745 Slog.i(TAG, "Received verification response " + verificationId 746 + " for " + count + " filters, verified=" + verified); 747 } 748 for (int n=0; n<count; n++) { 749 PackageParser.ActivityIntentInfo filter = filters.get(n); 750 filter.setVerified(verified); 751 752 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 753 + " verified with result:" + verified + " and hosts:" 754 + ivs.getHostsString()); 755 } 756 757 mIntentFilterVerificationStates.remove(verificationId); 758 759 final String packageName = ivs.getPackageName(); 760 IntentFilterVerificationInfo ivi = null; 761 762 synchronized (mPackages) { 763 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 764 } 765 if (ivi == null) { 766 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 767 + verificationId + " packageName:" + packageName); 768 return; 769 } 770 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 771 "Updating IntentFilterVerificationInfo for package " + packageName 772 +" verificationId:" + verificationId); 773 774 synchronized (mPackages) { 775 if (verified) { 776 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 777 } else { 778 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 779 } 780 scheduleWriteSettingsLocked(); 781 782 final int userId = ivs.getUserId(); 783 if (userId != UserHandle.USER_ALL) { 784 final int userStatus = 785 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 786 787 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 788 boolean needUpdate = false; 789 790 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 791 // already been set by the User thru the Disambiguation dialog 792 switch (userStatus) { 793 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 794 if (verified) { 795 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 796 } else { 797 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 798 } 799 needUpdate = true; 800 break; 801 802 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 803 if (verified) { 804 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 805 needUpdate = true; 806 } 807 break; 808 809 default: 810 // Nothing to do 811 } 812 813 if (needUpdate) { 814 mSettings.updateIntentFilterVerificationStatusLPw( 815 packageName, updatedStatus, userId); 816 scheduleWritePackageRestrictionsLocked(userId); 817 } 818 } 819 } 820 } 821 822 @Override 823 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 824 ActivityIntentInfo filter, String packageName) { 825 if (!hasValidDomains(filter)) { 826 return false; 827 } 828 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 829 if (ivs == null) { 830 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 831 packageName); 832 } 833 if (DEBUG_DOMAIN_VERIFICATION) { 834 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 835 } 836 ivs.addFilter(filter); 837 return true; 838 } 839 840 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 841 int userId, int verificationId, String packageName) { 842 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 843 verifierUid, userId, packageName); 844 ivs.setPendingState(); 845 synchronized (mPackages) { 846 mIntentFilterVerificationStates.append(verificationId, ivs); 847 mCurrentIntentFilterVerifications.add(verificationId); 848 } 849 return ivs; 850 } 851 } 852 853 private static boolean hasValidDomains(ActivityIntentInfo filter) { 854 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 855 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 856 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 857 } 858 859 // Set of pending broadcasts for aggregating enable/disable of components. 860 static class PendingPackageBroadcasts { 861 // for each user id, a map of <package name -> components within that package> 862 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 863 864 public PendingPackageBroadcasts() { 865 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 866 } 867 868 public ArrayList<String> get(int userId, String packageName) { 869 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 870 return packages.get(packageName); 871 } 872 873 public void put(int userId, String packageName, ArrayList<String> components) { 874 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 875 packages.put(packageName, components); 876 } 877 878 public void remove(int userId, String packageName) { 879 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 880 if (packages != null) { 881 packages.remove(packageName); 882 } 883 } 884 885 public void remove(int userId) { 886 mUidMap.remove(userId); 887 } 888 889 public int userIdCount() { 890 return mUidMap.size(); 891 } 892 893 public int userIdAt(int n) { 894 return mUidMap.keyAt(n); 895 } 896 897 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 898 return mUidMap.get(userId); 899 } 900 901 public int size() { 902 // total number of pending broadcast entries across all userIds 903 int num = 0; 904 for (int i = 0; i< mUidMap.size(); i++) { 905 num += mUidMap.valueAt(i).size(); 906 } 907 return num; 908 } 909 910 public void clear() { 911 mUidMap.clear(); 912 } 913 914 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 915 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 916 if (map == null) { 917 map = new ArrayMap<String, ArrayList<String>>(); 918 mUidMap.put(userId, map); 919 } 920 return map; 921 } 922 } 923 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 924 925 // Service Connection to remote media container service to copy 926 // package uri's from external media onto secure containers 927 // or internal storage. 928 private IMediaContainerService mContainerService = null; 929 930 static final int SEND_PENDING_BROADCAST = 1; 931 static final int MCS_BOUND = 3; 932 static final int END_COPY = 4; 933 static final int INIT_COPY = 5; 934 static final int MCS_UNBIND = 6; 935 static final int START_CLEANING_PACKAGE = 7; 936 static final int FIND_INSTALL_LOC = 8; 937 static final int POST_INSTALL = 9; 938 static final int MCS_RECONNECT = 10; 939 static final int MCS_GIVE_UP = 11; 940 static final int UPDATED_MEDIA_STATUS = 12; 941 static final int WRITE_SETTINGS = 13; 942 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 943 static final int PACKAGE_VERIFIED = 15; 944 static final int CHECK_PENDING_VERIFICATION = 16; 945 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 946 static final int INTENT_FILTER_VERIFIED = 18; 947 948 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 949 950 // Delay time in millisecs 951 static final int BROADCAST_DELAY = 10 * 1000; 952 953 static UserManagerService sUserManager; 954 955 // Stores a list of users whose package restrictions file needs to be updated 956 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 957 958 final private DefaultContainerConnection mDefContainerConn = 959 new DefaultContainerConnection(); 960 class DefaultContainerConnection implements ServiceConnection { 961 public void onServiceConnected(ComponentName name, IBinder service) { 962 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 963 IMediaContainerService imcs = 964 IMediaContainerService.Stub.asInterface(service); 965 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 966 } 967 968 public void onServiceDisconnected(ComponentName name) { 969 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 970 } 971 } 972 973 // Recordkeeping of restore-after-install operations that are currently in flight 974 // between the Package Manager and the Backup Manager 975 static class PostInstallData { 976 public InstallArgs args; 977 public PackageInstalledInfo res; 978 979 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 980 args = _a; 981 res = _r; 982 } 983 } 984 985 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 986 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 987 988 // XML tags for backup/restore of various bits of state 989 private static final String TAG_PREFERRED_BACKUP = "pa"; 990 private static final String TAG_DEFAULT_APPS = "da"; 991 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 992 993 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 994 private static final String TAG_ALL_GRANTS = "rt-grants"; 995 private static final String TAG_GRANT = "grant"; 996 private static final String ATTR_PACKAGE_NAME = "pkg"; 997 998 private static final String TAG_PERMISSION = "perm"; 999 private static final String ATTR_PERMISSION_NAME = "name"; 1000 private static final String ATTR_IS_GRANTED = "g"; 1001 private static final String ATTR_USER_SET = "set"; 1002 private static final String ATTR_USER_FIXED = "fixed"; 1003 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1004 1005 // System/policy permission grants are not backed up 1006 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1007 FLAG_PERMISSION_POLICY_FIXED 1008 | FLAG_PERMISSION_SYSTEM_FIXED 1009 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1010 1011 // And we back up these user-adjusted states 1012 private static final int USER_RUNTIME_GRANT_MASK = 1013 FLAG_PERMISSION_USER_SET 1014 | FLAG_PERMISSION_USER_FIXED 1015 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1016 1017 final @Nullable String mRequiredVerifierPackage; 1018 final @Nullable String mRequiredInstallerPackage; 1019 1020 private final PackageUsage mPackageUsage = new PackageUsage(); 1021 1022 private class PackageUsage { 1023 private static final int WRITE_INTERVAL 1024 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1025 1026 private final Object mFileLock = new Object(); 1027 private final AtomicLong mLastWritten = new AtomicLong(0); 1028 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1029 1030 private boolean mIsHistoricalPackageUsageAvailable = true; 1031 1032 boolean isHistoricalPackageUsageAvailable() { 1033 return mIsHistoricalPackageUsageAvailable; 1034 } 1035 1036 void write(boolean force) { 1037 if (force) { 1038 writeInternal(); 1039 return; 1040 } 1041 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1042 && !DEBUG_DEXOPT) { 1043 return; 1044 } 1045 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1046 new Thread("PackageUsage_DiskWriter") { 1047 @Override 1048 public void run() { 1049 try { 1050 writeInternal(); 1051 } finally { 1052 mBackgroundWriteRunning.set(false); 1053 } 1054 } 1055 }.start(); 1056 } 1057 } 1058 1059 private void writeInternal() { 1060 synchronized (mPackages) { 1061 synchronized (mFileLock) { 1062 AtomicFile file = getFile(); 1063 FileOutputStream f = null; 1064 try { 1065 f = file.startWrite(); 1066 BufferedOutputStream out = new BufferedOutputStream(f); 1067 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1068 StringBuilder sb = new StringBuilder(); 1069 for (PackageParser.Package pkg : mPackages.values()) { 1070 if (pkg.mLastPackageUsageTimeInMills == 0) { 1071 continue; 1072 } 1073 sb.setLength(0); 1074 sb.append(pkg.packageName); 1075 sb.append(' '); 1076 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1077 sb.append('\n'); 1078 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1079 } 1080 out.flush(); 1081 file.finishWrite(f); 1082 } catch (IOException e) { 1083 if (f != null) { 1084 file.failWrite(f); 1085 } 1086 Log.e(TAG, "Failed to write package usage times", e); 1087 } 1088 } 1089 } 1090 mLastWritten.set(SystemClock.elapsedRealtime()); 1091 } 1092 1093 void readLP() { 1094 synchronized (mFileLock) { 1095 AtomicFile file = getFile(); 1096 BufferedInputStream in = null; 1097 try { 1098 in = new BufferedInputStream(file.openRead()); 1099 StringBuffer sb = new StringBuffer(); 1100 while (true) { 1101 String packageName = readToken(in, sb, ' '); 1102 if (packageName == null) { 1103 break; 1104 } 1105 String timeInMillisString = readToken(in, sb, '\n'); 1106 if (timeInMillisString == null) { 1107 throw new IOException("Failed to find last usage time for package " 1108 + packageName); 1109 } 1110 PackageParser.Package pkg = mPackages.get(packageName); 1111 if (pkg == null) { 1112 continue; 1113 } 1114 long timeInMillis; 1115 try { 1116 timeInMillis = Long.parseLong(timeInMillisString); 1117 } catch (NumberFormatException e) { 1118 throw new IOException("Failed to parse " + timeInMillisString 1119 + " as a long.", e); 1120 } 1121 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1122 } 1123 } catch (FileNotFoundException expected) { 1124 mIsHistoricalPackageUsageAvailable = false; 1125 } catch (IOException e) { 1126 Log.w(TAG, "Failed to read package usage times", e); 1127 } finally { 1128 IoUtils.closeQuietly(in); 1129 } 1130 } 1131 mLastWritten.set(SystemClock.elapsedRealtime()); 1132 } 1133 1134 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1135 throws IOException { 1136 sb.setLength(0); 1137 while (true) { 1138 int ch = in.read(); 1139 if (ch == -1) { 1140 if (sb.length() == 0) { 1141 return null; 1142 } 1143 throw new IOException("Unexpected EOF"); 1144 } 1145 if (ch == endOfToken) { 1146 return sb.toString(); 1147 } 1148 sb.append((char)ch); 1149 } 1150 } 1151 1152 private AtomicFile getFile() { 1153 File dataDir = Environment.getDataDirectory(); 1154 File systemDir = new File(dataDir, "system"); 1155 File fname = new File(systemDir, "package-usage.list"); 1156 return new AtomicFile(fname); 1157 } 1158 } 1159 1160 class PackageHandler extends Handler { 1161 private boolean mBound = false; 1162 final ArrayList<HandlerParams> mPendingInstalls = 1163 new ArrayList<HandlerParams>(); 1164 1165 private boolean connectToService() { 1166 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1167 " DefaultContainerService"); 1168 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1169 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1170 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1171 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1172 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1173 mBound = true; 1174 return true; 1175 } 1176 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1177 return false; 1178 } 1179 1180 private void disconnectService() { 1181 mContainerService = null; 1182 mBound = false; 1183 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1184 mContext.unbindService(mDefContainerConn); 1185 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1186 } 1187 1188 PackageHandler(Looper looper) { 1189 super(looper); 1190 } 1191 1192 public void handleMessage(Message msg) { 1193 try { 1194 doHandleMessage(msg); 1195 } finally { 1196 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1197 } 1198 } 1199 1200 void doHandleMessage(Message msg) { 1201 switch (msg.what) { 1202 case INIT_COPY: { 1203 HandlerParams params = (HandlerParams) msg.obj; 1204 int idx = mPendingInstalls.size(); 1205 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1206 // If a bind was already initiated we dont really 1207 // need to do anything. The pending install 1208 // will be processed later on. 1209 if (!mBound) { 1210 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1211 System.identityHashCode(mHandler)); 1212 // If this is the only one pending we might 1213 // have to bind to the service again. 1214 if (!connectToService()) { 1215 Slog.e(TAG, "Failed to bind to media container service"); 1216 params.serviceError(); 1217 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1218 System.identityHashCode(mHandler)); 1219 if (params.traceMethod != null) { 1220 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1221 params.traceCookie); 1222 } 1223 return; 1224 } else { 1225 // Once we bind to the service, the first 1226 // pending request will be processed. 1227 mPendingInstalls.add(idx, params); 1228 } 1229 } else { 1230 mPendingInstalls.add(idx, params); 1231 // Already bound to the service. Just make 1232 // sure we trigger off processing the first request. 1233 if (idx == 0) { 1234 mHandler.sendEmptyMessage(MCS_BOUND); 1235 } 1236 } 1237 break; 1238 } 1239 case MCS_BOUND: { 1240 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1241 if (msg.obj != null) { 1242 mContainerService = (IMediaContainerService) msg.obj; 1243 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1244 System.identityHashCode(mHandler)); 1245 } 1246 if (mContainerService == null) { 1247 if (!mBound) { 1248 // Something seriously wrong since we are not bound and we are not 1249 // waiting for connection. Bail out. 1250 Slog.e(TAG, "Cannot bind to media container service"); 1251 for (HandlerParams params : mPendingInstalls) { 1252 // Indicate service bind error 1253 params.serviceError(); 1254 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1255 System.identityHashCode(params)); 1256 if (params.traceMethod != null) { 1257 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1258 params.traceMethod, params.traceCookie); 1259 } 1260 return; 1261 } 1262 mPendingInstalls.clear(); 1263 } else { 1264 Slog.w(TAG, "Waiting to connect to media container service"); 1265 } 1266 } else if (mPendingInstalls.size() > 0) { 1267 HandlerParams params = mPendingInstalls.get(0); 1268 if (params != null) { 1269 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1270 System.identityHashCode(params)); 1271 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1272 if (params.startCopy()) { 1273 // We are done... look for more work or to 1274 // go idle. 1275 if (DEBUG_SD_INSTALL) Log.i(TAG, 1276 "Checking for more work or unbind..."); 1277 // Delete pending install 1278 if (mPendingInstalls.size() > 0) { 1279 mPendingInstalls.remove(0); 1280 } 1281 if (mPendingInstalls.size() == 0) { 1282 if (mBound) { 1283 if (DEBUG_SD_INSTALL) Log.i(TAG, 1284 "Posting delayed MCS_UNBIND"); 1285 removeMessages(MCS_UNBIND); 1286 Message ubmsg = obtainMessage(MCS_UNBIND); 1287 // Unbind after a little delay, to avoid 1288 // continual thrashing. 1289 sendMessageDelayed(ubmsg, 10000); 1290 } 1291 } else { 1292 // There are more pending requests in queue. 1293 // Just post MCS_BOUND message to trigger processing 1294 // of next pending install. 1295 if (DEBUG_SD_INSTALL) Log.i(TAG, 1296 "Posting MCS_BOUND for next work"); 1297 mHandler.sendEmptyMessage(MCS_BOUND); 1298 } 1299 } 1300 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1301 } 1302 } else { 1303 // Should never happen ideally. 1304 Slog.w(TAG, "Empty queue"); 1305 } 1306 break; 1307 } 1308 case MCS_RECONNECT: { 1309 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1310 if (mPendingInstalls.size() > 0) { 1311 if (mBound) { 1312 disconnectService(); 1313 } 1314 if (!connectToService()) { 1315 Slog.e(TAG, "Failed to bind to media container service"); 1316 for (HandlerParams params : mPendingInstalls) { 1317 // Indicate service bind error 1318 params.serviceError(); 1319 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1320 System.identityHashCode(params)); 1321 } 1322 mPendingInstalls.clear(); 1323 } 1324 } 1325 break; 1326 } 1327 case MCS_UNBIND: { 1328 // If there is no actual work left, then time to unbind. 1329 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1330 1331 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1332 if (mBound) { 1333 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1334 1335 disconnectService(); 1336 } 1337 } else if (mPendingInstalls.size() > 0) { 1338 // There are more pending requests in queue. 1339 // Just post MCS_BOUND message to trigger processing 1340 // of next pending install. 1341 mHandler.sendEmptyMessage(MCS_BOUND); 1342 } 1343 1344 break; 1345 } 1346 case MCS_GIVE_UP: { 1347 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1348 HandlerParams params = mPendingInstalls.remove(0); 1349 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1350 System.identityHashCode(params)); 1351 break; 1352 } 1353 case SEND_PENDING_BROADCAST: { 1354 String packages[]; 1355 ArrayList<String> components[]; 1356 int size = 0; 1357 int uids[]; 1358 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1359 synchronized (mPackages) { 1360 if (mPendingBroadcasts == null) { 1361 return; 1362 } 1363 size = mPendingBroadcasts.size(); 1364 if (size <= 0) { 1365 // Nothing to be done. Just return 1366 return; 1367 } 1368 packages = new String[size]; 1369 components = new ArrayList[size]; 1370 uids = new int[size]; 1371 int i = 0; // filling out the above arrays 1372 1373 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1374 int packageUserId = mPendingBroadcasts.userIdAt(n); 1375 Iterator<Map.Entry<String, ArrayList<String>>> it 1376 = mPendingBroadcasts.packagesForUserId(packageUserId) 1377 .entrySet().iterator(); 1378 while (it.hasNext() && i < size) { 1379 Map.Entry<String, ArrayList<String>> ent = it.next(); 1380 packages[i] = ent.getKey(); 1381 components[i] = ent.getValue(); 1382 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1383 uids[i] = (ps != null) 1384 ? UserHandle.getUid(packageUserId, ps.appId) 1385 : -1; 1386 i++; 1387 } 1388 } 1389 size = i; 1390 mPendingBroadcasts.clear(); 1391 } 1392 // Send broadcasts 1393 for (int i = 0; i < size; i++) { 1394 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1395 } 1396 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1397 break; 1398 } 1399 case START_CLEANING_PACKAGE: { 1400 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1401 final String packageName = (String)msg.obj; 1402 final int userId = msg.arg1; 1403 final boolean andCode = msg.arg2 != 0; 1404 synchronized (mPackages) { 1405 if (userId == UserHandle.USER_ALL) { 1406 int[] users = sUserManager.getUserIds(); 1407 for (int user : users) { 1408 mSettings.addPackageToCleanLPw( 1409 new PackageCleanItem(user, packageName, andCode)); 1410 } 1411 } else { 1412 mSettings.addPackageToCleanLPw( 1413 new PackageCleanItem(userId, packageName, andCode)); 1414 } 1415 } 1416 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1417 startCleaningPackages(); 1418 } break; 1419 case POST_INSTALL: { 1420 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1421 1422 PostInstallData data = mRunningInstalls.get(msg.arg1); 1423 mRunningInstalls.delete(msg.arg1); 1424 boolean deleteOld = false; 1425 1426 if (data != null) { 1427 InstallArgs args = data.args; 1428 PackageInstalledInfo res = data.res; 1429 1430 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1431 //TODO: Broadcast for child packages too 1432 final String packageName = res.pkg.applicationInfo.packageName; 1433 res.removedInfo.sendBroadcast(false, true, false); 1434 Bundle extras = new Bundle(1); 1435 extras.putInt(Intent.EXTRA_UID, res.uid); 1436 1437 // Now that we successfully installed the package, grant runtime 1438 // permissions if requested before broadcasting the install. 1439 if ((args.installFlags 1440 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1441 && res.pkg.applicationInfo.targetSdkVersion 1442 >= Build.VERSION_CODES.M) { 1443 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1444 args.installGrantPermissions); 1445 } 1446 1447 synchronized (mPackages) { 1448 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1449 } 1450 1451 // Determine the set of users who are adding this 1452 // package for the first time vs. those who are seeing 1453 // an update. 1454 int[] firstUsers; 1455 int[] updateUsers = new int[0]; 1456 if (res.origUsers == null || res.origUsers.length == 0) { 1457 firstUsers = res.newUsers; 1458 } else { 1459 firstUsers = new int[0]; 1460 for (int i=0; i<res.newUsers.length; i++) { 1461 int user = res.newUsers[i]; 1462 boolean isNew = true; 1463 for (int j=0; j<res.origUsers.length; j++) { 1464 if (res.origUsers[j] == user) { 1465 isNew = false; 1466 break; 1467 } 1468 } 1469 if (isNew) { 1470 int[] newFirst = new int[firstUsers.length+1]; 1471 System.arraycopy(firstUsers, 0, newFirst, 0, 1472 firstUsers.length); 1473 newFirst[firstUsers.length] = user; 1474 firstUsers = newFirst; 1475 } else { 1476 int[] newUpdate = new int[updateUsers.length+1]; 1477 System.arraycopy(updateUsers, 0, newUpdate, 0, 1478 updateUsers.length); 1479 newUpdate[updateUsers.length] = user; 1480 updateUsers = newUpdate; 1481 } 1482 } 1483 } 1484 // don't broadcast for ephemeral installs/updates 1485 final boolean isEphemeral = isEphemeral(res.pkg); 1486 if (!isEphemeral) { 1487 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1488 extras, 0 /*flags*/, null /*targetPackage*/, 1489 null /*finishedReceiver*/, firstUsers); 1490 } 1491 final boolean update = res.removedInfo.removedPackage != null; 1492 if (update) { 1493 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1494 } 1495 if (!isEphemeral) { 1496 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1497 extras, 0 /*flags*/, null /*targetPackage*/, 1498 null /*finishedReceiver*/, updateUsers); 1499 } 1500 if (update) { 1501 if (!isEphemeral) { 1502 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1503 packageName, extras, 0 /*flags*/, 1504 null /*targetPackage*/, null /*finishedReceiver*/, 1505 updateUsers); 1506 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1507 null /*package*/, null /*extras*/, 0 /*flags*/, 1508 packageName /*targetPackage*/, 1509 null /*finishedReceiver*/, updateUsers); 1510 } 1511 1512 // treat asec-hosted packages like removable media on upgrade 1513 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1514 if (DEBUG_INSTALL) { 1515 Slog.i(TAG, "upgrading pkg " + res.pkg 1516 + " is ASEC-hosted -> AVAILABLE"); 1517 } 1518 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1519 ArrayList<String> pkgList = new ArrayList<String>(1); 1520 pkgList.add(packageName); 1521 sendResourcesChangedBroadcast(true, true, 1522 pkgList,uidArray, null); 1523 } 1524 } 1525 if (res.removedInfo.args != null) { 1526 // Remove the replaced package's older resources safely now 1527 deleteOld = true; 1528 } 1529 1530 1531 // Work that needs to happen on first install within each user 1532 if (firstUsers.length > 0) { 1533 for (int userId : firstUsers) { 1534 synchronized (mPackages) { 1535 // If this app is a browser and it's newly-installed for 1536 // some users, clear any default-browser state in those 1537 // users. The app's nature doesn't depend on the user, 1538 // so we can just check its browser nature in any user 1539 // and generalize. 1540 if (packageIsBrowser(packageName, firstUsers[0])) { 1541 mSettings.setDefaultBrowserPackageNameLPw( 1542 null, userId); 1543 } 1544 1545 // We may also need to apply pending (restored) runtime 1546 // permission grants within these users. 1547 mSettings.applyPendingPermissionGrantsLPw( 1548 packageName, userId); 1549 } 1550 } 1551 } 1552 // Log current value of "unknown sources" setting 1553 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1554 getUnknownSourcesSettings()); 1555 } 1556 // Force a gc to clear up things 1557 Runtime.getRuntime().gc(); 1558 // We delete after a gc for applications on sdcard. 1559 if (deleteOld) { 1560 synchronized (mInstallLock) { 1561 res.removedInfo.args.doPostDeleteLI(true); 1562 } 1563 } 1564 if (args.observer != null) { 1565 try { 1566 Bundle extras = extrasForInstallResult(res); 1567 args.observer.onPackageInstalled(res.name, res.returnCode, 1568 res.returnMsg, extras); 1569 } catch (RemoteException e) { 1570 Slog.i(TAG, "Observer no longer exists."); 1571 } 1572 } 1573 if (args.traceMethod != null) { 1574 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1575 args.traceCookie); 1576 } 1577 return; 1578 } else { 1579 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1580 } 1581 1582 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1583 } break; 1584 case UPDATED_MEDIA_STATUS: { 1585 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1586 boolean reportStatus = msg.arg1 == 1; 1587 boolean doGc = msg.arg2 == 1; 1588 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1589 if (doGc) { 1590 // Force a gc to clear up stale containers. 1591 Runtime.getRuntime().gc(); 1592 } 1593 if (msg.obj != null) { 1594 @SuppressWarnings("unchecked") 1595 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1596 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1597 // Unload containers 1598 unloadAllContainers(args); 1599 } 1600 if (reportStatus) { 1601 try { 1602 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1603 PackageHelper.getMountService().finishMediaUpdate(); 1604 } catch (RemoteException e) { 1605 Log.e(TAG, "MountService not running?"); 1606 } 1607 } 1608 } break; 1609 case WRITE_SETTINGS: { 1610 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1611 synchronized (mPackages) { 1612 removeMessages(WRITE_SETTINGS); 1613 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1614 mSettings.writeLPr(); 1615 mDirtyUsers.clear(); 1616 } 1617 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1618 } break; 1619 case WRITE_PACKAGE_RESTRICTIONS: { 1620 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1621 synchronized (mPackages) { 1622 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1623 for (int userId : mDirtyUsers) { 1624 mSettings.writePackageRestrictionsLPr(userId); 1625 } 1626 mDirtyUsers.clear(); 1627 } 1628 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1629 } break; 1630 case CHECK_PENDING_VERIFICATION: { 1631 final int verificationId = msg.arg1; 1632 final PackageVerificationState state = mPendingVerification.get(verificationId); 1633 1634 if ((state != null) && !state.timeoutExtended()) { 1635 final InstallArgs args = state.getInstallArgs(); 1636 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1637 1638 Slog.i(TAG, "Verification timed out for " + originUri); 1639 mPendingVerification.remove(verificationId); 1640 1641 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1642 1643 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1644 Slog.i(TAG, "Continuing with installation of " + originUri); 1645 state.setVerifierResponse(Binder.getCallingUid(), 1646 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1647 broadcastPackageVerified(verificationId, originUri, 1648 PackageManager.VERIFICATION_ALLOW, 1649 state.getInstallArgs().getUser()); 1650 try { 1651 ret = args.copyApk(mContainerService, true); 1652 } catch (RemoteException e) { 1653 Slog.e(TAG, "Could not contact the ContainerService"); 1654 } 1655 } else { 1656 broadcastPackageVerified(verificationId, originUri, 1657 PackageManager.VERIFICATION_REJECT, 1658 state.getInstallArgs().getUser()); 1659 } 1660 1661 Trace.asyncTraceEnd( 1662 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1663 1664 processPendingInstall(args, ret); 1665 mHandler.sendEmptyMessage(MCS_UNBIND); 1666 } 1667 break; 1668 } 1669 case PACKAGE_VERIFIED: { 1670 final int verificationId = msg.arg1; 1671 1672 final PackageVerificationState state = mPendingVerification.get(verificationId); 1673 if (state == null) { 1674 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1675 break; 1676 } 1677 1678 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1679 1680 state.setVerifierResponse(response.callerUid, response.code); 1681 1682 if (state.isVerificationComplete()) { 1683 mPendingVerification.remove(verificationId); 1684 1685 final InstallArgs args = state.getInstallArgs(); 1686 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1687 1688 int ret; 1689 if (state.isInstallAllowed()) { 1690 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1691 broadcastPackageVerified(verificationId, originUri, 1692 response.code, state.getInstallArgs().getUser()); 1693 try { 1694 ret = args.copyApk(mContainerService, true); 1695 } catch (RemoteException e) { 1696 Slog.e(TAG, "Could not contact the ContainerService"); 1697 } 1698 } else { 1699 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1700 } 1701 1702 Trace.asyncTraceEnd( 1703 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1704 1705 processPendingInstall(args, ret); 1706 mHandler.sendEmptyMessage(MCS_UNBIND); 1707 } 1708 1709 break; 1710 } 1711 case START_INTENT_FILTER_VERIFICATIONS: { 1712 IFVerificationParams params = (IFVerificationParams) msg.obj; 1713 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1714 params.replacing, params.pkg); 1715 break; 1716 } 1717 case INTENT_FILTER_VERIFIED: { 1718 final int verificationId = msg.arg1; 1719 1720 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1721 verificationId); 1722 if (state == null) { 1723 Slog.w(TAG, "Invalid IntentFilter verification token " 1724 + verificationId + " received"); 1725 break; 1726 } 1727 1728 final int userId = state.getUserId(); 1729 1730 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1731 "Processing IntentFilter verification with token:" 1732 + verificationId + " and userId:" + userId); 1733 1734 final IntentFilterVerificationResponse response = 1735 (IntentFilterVerificationResponse) msg.obj; 1736 1737 state.setVerifierResponse(response.callerUid, response.code); 1738 1739 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1740 "IntentFilter verification with token:" + verificationId 1741 + " and userId:" + userId 1742 + " is settings verifier response with response code:" 1743 + response.code); 1744 1745 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1746 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1747 + response.getFailedDomainsString()); 1748 } 1749 1750 if (state.isVerificationComplete()) { 1751 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1752 } else { 1753 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1754 "IntentFilter verification with token:" + verificationId 1755 + " was not said to be complete"); 1756 } 1757 1758 break; 1759 } 1760 } 1761 } 1762 } 1763 1764 private StorageEventListener mStorageListener = new StorageEventListener() { 1765 @Override 1766 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1767 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1768 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1769 final String volumeUuid = vol.getFsUuid(); 1770 1771 // Clean up any users or apps that were removed or recreated 1772 // while this volume was missing 1773 reconcileUsers(volumeUuid); 1774 reconcileApps(volumeUuid); 1775 1776 // Clean up any install sessions that expired or were 1777 // cancelled while this volume was missing 1778 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1779 1780 loadPrivatePackages(vol); 1781 1782 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1783 unloadPrivatePackages(vol); 1784 } 1785 } 1786 1787 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1788 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1789 updateExternalMediaStatus(true, false); 1790 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1791 updateExternalMediaStatus(false, false); 1792 } 1793 } 1794 } 1795 1796 @Override 1797 public void onVolumeForgotten(String fsUuid) { 1798 if (TextUtils.isEmpty(fsUuid)) { 1799 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1800 return; 1801 } 1802 1803 // Remove any apps installed on the forgotten volume 1804 synchronized (mPackages) { 1805 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1806 for (PackageSetting ps : packages) { 1807 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1808 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1809 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1810 } 1811 1812 mSettings.onVolumeForgotten(fsUuid); 1813 mSettings.writeLPr(); 1814 } 1815 } 1816 }; 1817 1818 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1819 String[] grantedPermissions) { 1820 if (userId >= UserHandle.USER_SYSTEM) { 1821 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1822 } else if (userId == UserHandle.USER_ALL) { 1823 final int[] userIds; 1824 synchronized (mPackages) { 1825 userIds = UserManagerService.getInstance().getUserIds(); 1826 } 1827 for (int someUserId : userIds) { 1828 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1829 } 1830 } 1831 1832 // We could have touched GID membership, so flush out packages.list 1833 synchronized (mPackages) { 1834 mSettings.writePackageListLPr(); 1835 } 1836 } 1837 1838 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1839 String[] grantedPermissions) { 1840 SettingBase sb = (SettingBase) pkg.mExtras; 1841 if (sb == null) { 1842 return; 1843 } 1844 1845 PermissionsState permissionsState = sb.getPermissionsState(); 1846 1847 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1848 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1849 1850 synchronized (mPackages) { 1851 for (String permission : pkg.requestedPermissions) { 1852 BasePermission bp = mSettings.mPermissions.get(permission); 1853 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1854 && (grantedPermissions == null 1855 || ArrayUtils.contains(grantedPermissions, permission))) { 1856 final int flags = permissionsState.getPermissionFlags(permission, userId); 1857 // Installer cannot change immutable permissions. 1858 if ((flags & immutableFlags) == 0) { 1859 grantRuntimePermission(pkg.packageName, permission, userId); 1860 } 1861 } 1862 } 1863 } 1864 } 1865 1866 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1867 Bundle extras = null; 1868 switch (res.returnCode) { 1869 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1870 extras = new Bundle(); 1871 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1872 res.origPermission); 1873 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1874 res.origPackage); 1875 break; 1876 } 1877 case PackageManager.INSTALL_SUCCEEDED: { 1878 extras = new Bundle(); 1879 extras.putBoolean(Intent.EXTRA_REPLACING, 1880 res.removedInfo != null && res.removedInfo.removedPackage != null); 1881 break; 1882 } 1883 } 1884 return extras; 1885 } 1886 1887 void scheduleWriteSettingsLocked() { 1888 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1889 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1890 } 1891 } 1892 1893 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1894 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1895 scheduleWritePackageRestrictionsLocked(userId); 1896 } 1897 1898 void scheduleWritePackageRestrictionsLocked(int userId) { 1899 final int[] userIds = (userId == UserHandle.USER_ALL) 1900 ? sUserManager.getUserIds() : new int[]{userId}; 1901 for (int nextUserId : userIds) { 1902 if (!sUserManager.exists(nextUserId)) return; 1903 mDirtyUsers.add(nextUserId); 1904 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1905 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1906 } 1907 } 1908 } 1909 1910 public static PackageManagerService main(Context context, Installer installer, 1911 boolean factoryTest, boolean onlyCore) { 1912 PackageManagerService m = new PackageManagerService(context, installer, 1913 factoryTest, onlyCore); 1914 m.enableSystemUserPackages(); 1915 ServiceManager.addService("package", m); 1916 return m; 1917 } 1918 1919 private void enableSystemUserPackages() { 1920 if (!UserManager.isSplitSystemUser()) { 1921 return; 1922 } 1923 // For system user, enable apps based on the following conditions: 1924 // - app is whitelisted or belong to one of these groups: 1925 // -- system app which has no launcher icons 1926 // -- system app which has INTERACT_ACROSS_USERS permission 1927 // -- system IME app 1928 // - app is not in the blacklist 1929 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1930 Set<String> enableApps = new ArraySet<>(); 1931 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1932 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1933 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1934 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1935 enableApps.addAll(wlApps); 1936 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1937 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1938 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1939 enableApps.removeAll(blApps); 1940 Log.i(TAG, "Applications installed for system user: " + enableApps); 1941 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1942 UserHandle.SYSTEM); 1943 final int allAppsSize = allAps.size(); 1944 synchronized (mPackages) { 1945 for (int i = 0; i < allAppsSize; i++) { 1946 String pName = allAps.get(i); 1947 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1948 // Should not happen, but we shouldn't be failing if it does 1949 if (pkgSetting == null) { 1950 continue; 1951 } 1952 boolean install = enableApps.contains(pName); 1953 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1954 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1955 + " for system user"); 1956 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1957 } 1958 } 1959 } 1960 } 1961 1962 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1963 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1964 Context.DISPLAY_SERVICE); 1965 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1966 } 1967 1968 public PackageManagerService(Context context, Installer installer, 1969 boolean factoryTest, boolean onlyCore) { 1970 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1971 SystemClock.uptimeMillis()); 1972 1973 if (mSdkVersion <= 0) { 1974 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1975 } 1976 1977 mContext = context; 1978 mFactoryTest = factoryTest; 1979 mOnlyCore = onlyCore; 1980 mMetrics = new DisplayMetrics(); 1981 mSettings = new Settings(mPackages); 1982 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1983 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1984 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1985 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1986 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1987 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1988 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1989 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1990 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1991 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1992 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1993 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1994 1995 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1996 if (separateProcesses != null && separateProcesses.length() > 0) { 1997 if ("*".equals(separateProcesses)) { 1998 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1999 mSeparateProcesses = null; 2000 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2001 } else { 2002 mDefParseFlags = 0; 2003 mSeparateProcesses = separateProcesses.split(","); 2004 Slog.w(TAG, "Running with debug.separate_processes: " 2005 + separateProcesses); 2006 } 2007 } else { 2008 mDefParseFlags = 0; 2009 mSeparateProcesses = null; 2010 } 2011 2012 mInstaller = installer; 2013 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2014 "*dexopt*"); 2015 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2016 2017 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2018 FgThread.get().getLooper()); 2019 2020 getDefaultDisplayMetrics(context, mMetrics); 2021 2022 SystemConfig systemConfig = SystemConfig.getInstance(); 2023 mGlobalGids = systemConfig.getGlobalGids(); 2024 mSystemPermissions = systemConfig.getSystemPermissions(); 2025 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2026 2027 synchronized (mInstallLock) { 2028 // writer 2029 synchronized (mPackages) { 2030 mHandlerThread = new ServiceThread(TAG, 2031 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2032 mHandlerThread.start(); 2033 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2034 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2035 2036 File dataDir = Environment.getDataDirectory(); 2037 mAppInstallDir = new File(dataDir, "app"); 2038 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2039 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2040 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2041 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2042 2043 sUserManager = new UserManagerService(context, this, mPackages); 2044 2045 // Propagate permission configuration in to package manager. 2046 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2047 = systemConfig.getPermissions(); 2048 for (int i=0; i<permConfig.size(); i++) { 2049 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2050 BasePermission bp = mSettings.mPermissions.get(perm.name); 2051 if (bp == null) { 2052 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2053 mSettings.mPermissions.put(perm.name, bp); 2054 } 2055 if (perm.gids != null) { 2056 bp.setGids(perm.gids, perm.perUser); 2057 } 2058 } 2059 2060 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2061 for (int i=0; i<libConfig.size(); i++) { 2062 mSharedLibraries.put(libConfig.keyAt(i), 2063 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2064 } 2065 2066 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2067 2068 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2069 2070 String customResolverActivity = Resources.getSystem().getString( 2071 R.string.config_customResolverActivity); 2072 if (TextUtils.isEmpty(customResolverActivity)) { 2073 customResolverActivity = null; 2074 } else { 2075 mCustomResolverComponentName = ComponentName.unflattenFromString( 2076 customResolverActivity); 2077 } 2078 2079 long startTime = SystemClock.uptimeMillis(); 2080 2081 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2082 startTime); 2083 2084 // Set flag to monitor and not change apk file paths when 2085 // scanning install directories. 2086 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2087 2088 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2089 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2090 2091 if (bootClassPath == null) { 2092 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2093 } 2094 2095 if (systemServerClassPath == null) { 2096 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2097 } 2098 2099 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2100 final String[] dexCodeInstructionSets = 2101 getDexCodeInstructionSets( 2102 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2103 2104 /** 2105 * Ensure all external libraries have had dexopt run on them. 2106 */ 2107 if (mSharedLibraries.size() > 0) { 2108 // NOTE: For now, we're compiling these system "shared libraries" 2109 // (and framework jars) into all available architectures. It's possible 2110 // to compile them only when we come across an app that uses them (there's 2111 // already logic for that in scanPackageLI) but that adds some complexity. 2112 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2113 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2114 final String lib = libEntry.path; 2115 if (lib == null) { 2116 continue; 2117 } 2118 2119 try { 2120 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2121 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2122 // Shared libraries do not have profiles so we perform a full 2123 // AOT compilation. 2124 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2125 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2126 StorageManager.UUID_PRIVATE_INTERNAL, 2127 false /*useProfiles*/); 2128 } 2129 } catch (FileNotFoundException e) { 2130 Slog.w(TAG, "Library not found: " + lib); 2131 } catch (IOException | InstallerException e) { 2132 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2133 + e.getMessage()); 2134 } 2135 } 2136 } 2137 } 2138 2139 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2140 2141 final VersionInfo ver = mSettings.getInternalVersion(); 2142 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2143 // when upgrading from pre-M, promote system app permissions from install to runtime 2144 mPromoteSystemApps = 2145 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2146 2147 // save off the names of pre-existing system packages prior to scanning; we don't 2148 // want to automatically grant runtime permissions for new system apps 2149 if (mPromoteSystemApps) { 2150 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2151 while (pkgSettingIter.hasNext()) { 2152 PackageSetting ps = pkgSettingIter.next(); 2153 if (isSystemApp(ps)) { 2154 mExistingSystemPackages.add(ps.name); 2155 } 2156 } 2157 } 2158 2159 // Collect vendor overlay packages. 2160 // (Do this before scanning any apps.) 2161 // For security and version matching reason, only consider 2162 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2163 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2164 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2165 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2166 2167 // Find base frameworks (resource packages without code). 2168 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2169 | PackageParser.PARSE_IS_SYSTEM_DIR 2170 | PackageParser.PARSE_IS_PRIVILEGED, 2171 scanFlags | SCAN_NO_DEX, 0); 2172 2173 // Collected privileged system packages. 2174 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2175 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2176 | PackageParser.PARSE_IS_SYSTEM_DIR 2177 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2178 2179 // Collect ordinary system packages. 2180 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2181 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2182 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2183 2184 // Collect all vendor packages. 2185 File vendorAppDir = new File("/vendor/app"); 2186 try { 2187 vendorAppDir = vendorAppDir.getCanonicalFile(); 2188 } catch (IOException e) { 2189 // failed to look up canonical path, continue with original one 2190 } 2191 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2192 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2193 2194 // Collect all OEM packages. 2195 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2196 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2197 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2198 2199 // Prune any system packages that no longer exist. 2200 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2201 if (!mOnlyCore) { 2202 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2203 while (psit.hasNext()) { 2204 PackageSetting ps = psit.next(); 2205 2206 /* 2207 * If this is not a system app, it can't be a 2208 * disable system app. 2209 */ 2210 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2211 continue; 2212 } 2213 2214 /* 2215 * If the package is scanned, it's not erased. 2216 */ 2217 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2218 if (scannedPkg != null) { 2219 /* 2220 * If the system app is both scanned and in the 2221 * disabled packages list, then it must have been 2222 * added via OTA. Remove it from the currently 2223 * scanned package so the previously user-installed 2224 * application can be scanned. 2225 */ 2226 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2227 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2228 + ps.name + "; removing system app. Last known codePath=" 2229 + ps.codePathString + ", installStatus=" + ps.installStatus 2230 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2231 + scannedPkg.mVersionCode); 2232 removePackageSettingLI(scannedPkg, true); 2233 mExpectingBetter.put(ps.name, ps.codePath); 2234 } 2235 2236 continue; 2237 } 2238 2239 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2240 psit.remove(); 2241 logCriticalInfo(Log.WARN, "System package " + ps.name 2242 + " no longer exists; wiping its data"); 2243 removeDataDirsLI(null, ps.name); 2244 } else { 2245 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2246 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2247 possiblyDeletedUpdatedSystemApps.add(ps.name); 2248 } 2249 } 2250 } 2251 } 2252 2253 //look for any incomplete package installations 2254 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2255 //clean up list 2256 for(int i = 0; i < deletePkgsList.size(); i++) { 2257 //clean up here 2258 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2259 } 2260 //delete tmp files 2261 deleteTempPackageFiles(); 2262 2263 // Remove any shared userIDs that have no associated packages 2264 mSettings.pruneSharedUsersLPw(); 2265 2266 if (!mOnlyCore) { 2267 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2268 SystemClock.uptimeMillis()); 2269 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2270 2271 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2272 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2273 2274 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2275 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2276 2277 /** 2278 * Remove disable package settings for any updated system 2279 * apps that were removed via an OTA. If they're not a 2280 * previously-updated app, remove them completely. 2281 * Otherwise, just revoke their system-level permissions. 2282 */ 2283 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2284 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2285 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2286 2287 String msg; 2288 if (deletedPkg == null) { 2289 msg = "Updated system package " + deletedAppName 2290 + " no longer exists; wiping its data"; 2291 removeDataDirsLI(null, deletedAppName); 2292 } else { 2293 msg = "Updated system app + " + deletedAppName 2294 + " no longer present; removing system privileges for " 2295 + deletedAppName; 2296 2297 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2298 2299 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2300 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2301 } 2302 logCriticalInfo(Log.WARN, msg); 2303 } 2304 2305 /** 2306 * Make sure all system apps that we expected to appear on 2307 * the userdata partition actually showed up. If they never 2308 * appeared, crawl back and revive the system version. 2309 */ 2310 for (int i = 0; i < mExpectingBetter.size(); i++) { 2311 final String packageName = mExpectingBetter.keyAt(i); 2312 if (!mPackages.containsKey(packageName)) { 2313 final File scanFile = mExpectingBetter.valueAt(i); 2314 2315 logCriticalInfo(Log.WARN, "Expected better " + packageName 2316 + " but never showed up; reverting to system"); 2317 2318 final int reparseFlags; 2319 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2320 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2321 | PackageParser.PARSE_IS_SYSTEM_DIR 2322 | PackageParser.PARSE_IS_PRIVILEGED; 2323 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2324 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2325 | PackageParser.PARSE_IS_SYSTEM_DIR; 2326 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2327 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2328 | PackageParser.PARSE_IS_SYSTEM_DIR; 2329 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2330 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2331 | PackageParser.PARSE_IS_SYSTEM_DIR; 2332 } else { 2333 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2334 continue; 2335 } 2336 2337 mSettings.enableSystemPackageLPw(packageName); 2338 2339 try { 2340 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2341 } catch (PackageManagerException e) { 2342 Slog.e(TAG, "Failed to parse original system package: " 2343 + e.getMessage()); 2344 } 2345 } 2346 } 2347 } 2348 mExpectingBetter.clear(); 2349 2350 // Now that we know all of the shared libraries, update all clients to have 2351 // the correct library paths. 2352 updateAllSharedLibrariesLPw(); 2353 2354 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2355 // NOTE: We ignore potential failures here during a system scan (like 2356 // the rest of the commands above) because there's precious little we 2357 // can do about it. A settings error is reported, though. 2358 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2359 false /* boot complete */); 2360 } 2361 2362 // Now that we know all the packages we are keeping, 2363 // read and update their last usage times. 2364 mPackageUsage.readLP(); 2365 2366 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2367 SystemClock.uptimeMillis()); 2368 Slog.i(TAG, "Time to scan packages: " 2369 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2370 + " seconds"); 2371 2372 // If the platform SDK has changed since the last time we booted, 2373 // we need to re-grant app permission to catch any new ones that 2374 // appear. This is really a hack, and means that apps can in some 2375 // cases get permissions that the user didn't initially explicitly 2376 // allow... it would be nice to have some better way to handle 2377 // this situation. 2378 int updateFlags = UPDATE_PERMISSIONS_ALL; 2379 if (ver.sdkVersion != mSdkVersion) { 2380 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2381 + mSdkVersion + "; regranting permissions for internal storage"); 2382 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2383 } 2384 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2385 ver.sdkVersion = mSdkVersion; 2386 2387 // If this is the first boot or an update from pre-M, and it is a normal 2388 // boot, then we need to initialize the default preferred apps across 2389 // all defined users. 2390 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2391 for (UserInfo user : sUserManager.getUsers(true)) { 2392 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2393 applyFactoryDefaultBrowserLPw(user.id); 2394 primeDomainVerificationsLPw(user.id); 2395 } 2396 } 2397 2398 // Prepare storage for system user really early during boot, 2399 // since core system apps like SettingsProvider and SystemUI 2400 // can't wait for user to start 2401 final int storageFlags; 2402 if (StorageManager.isFileBasedEncryptionEnabled()) { 2403 storageFlags = StorageManager.FLAG_STORAGE_DE; 2404 } else { 2405 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2406 } 2407 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2408 storageFlags); 2409 2410 if (!StorageManager.isFileBasedEncryptionEnabled() 2411 && PackageManager.APPLY_FORCE_DEVICE_ENCRYPTED) { 2412 // When upgrading a non-FBE device, we might need to shuffle 2413 // around the default storage location of system apps 2414 final List<UserInfo> users = sUserManager.getUsers(true); 2415 for (PackageSetting ps : mSettings.mPackages.values()) { 2416 if (ps.pkg == null || !ps.isSystem()) continue; 2417 final int storageTarget = ps.pkg.applicationInfo.isForceDeviceEncrypted() 2418 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 2419 for (UserInfo user : users) { 2420 if (ps.getInstalled(user.id)) { 2421 try { 2422 mInstaller.migrateAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2423 ps.name, user.id, storageTarget); 2424 } catch (InstallerException e) { 2425 logCriticalInfo(Log.WARN, 2426 "Failed to migrate " + ps.name + ": " + e.getMessage()); 2427 } 2428 // We may have just shuffled around app data 2429 // directories, so prepare it one more time 2430 prepareAppData(StorageManager.UUID_PRIVATE_INTERNAL, user.id, 2431 storageFlags, ps.pkg, false); 2432 } 2433 } 2434 } 2435 } 2436 2437 // If this is first boot after an OTA, and a normal boot, then 2438 // we need to clear code cache directories. 2439 if (mIsUpgrade && !onlyCore) { 2440 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2441 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2442 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2443 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2444 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2445 } 2446 } 2447 ver.fingerprint = Build.FINGERPRINT; 2448 } 2449 2450 checkDefaultBrowser(); 2451 2452 // clear only after permissions and other defaults have been updated 2453 mExistingSystemPackages.clear(); 2454 mPromoteSystemApps = false; 2455 2456 // All the changes are done during package scanning. 2457 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2458 2459 // can downgrade to reader 2460 mSettings.writeLPr(); 2461 2462 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2463 SystemClock.uptimeMillis()); 2464 2465 if (!mOnlyCore) { 2466 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2467 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2468 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2469 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2470 mIntentFilterVerifierComponent); 2471 } else { 2472 mRequiredVerifierPackage = null; 2473 mRequiredInstallerPackage = null; 2474 mIntentFilterVerifierComponent = null; 2475 mIntentFilterVerifier = null; 2476 } 2477 2478 mInstallerService = new PackageInstallerService(context, this); 2479 2480 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2481 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2482 // both the installer and resolver must be present to enable ephemeral 2483 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2484 if (DEBUG_EPHEMERAL) { 2485 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2486 + " installer:" + ephemeralInstallerComponent); 2487 } 2488 mEphemeralResolverComponent = ephemeralResolverComponent; 2489 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2490 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2491 mEphemeralResolverConnection = 2492 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2493 } else { 2494 if (DEBUG_EPHEMERAL) { 2495 final String missingComponent = 2496 (ephemeralResolverComponent == null) 2497 ? (ephemeralInstallerComponent == null) 2498 ? "resolver and installer" 2499 : "resolver" 2500 : "installer"; 2501 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2502 } 2503 mEphemeralResolverComponent = null; 2504 mEphemeralInstallerComponent = null; 2505 mEphemeralResolverConnection = null; 2506 } 2507 2508 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2509 } // synchronized (mPackages) 2510 } // synchronized (mInstallLock) 2511 2512 // Now after opening every single application zip, make sure they 2513 // are all flushed. Not really needed, but keeps things nice and 2514 // tidy. 2515 Runtime.getRuntime().gc(); 2516 2517 // The initial scanning above does many calls into installd while 2518 // holding the mPackages lock, but we're mostly interested in yelling 2519 // once we have a booted system. 2520 mInstaller.setWarnIfHeld(mPackages); 2521 2522 // Expose private service for system components to use. 2523 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2524 } 2525 2526 @Override 2527 public boolean isFirstBoot() { 2528 return !mRestoredSettings; 2529 } 2530 2531 @Override 2532 public boolean isOnlyCoreApps() { 2533 return mOnlyCore; 2534 } 2535 2536 @Override 2537 public boolean isUpgrade() { 2538 return mIsUpgrade; 2539 } 2540 2541 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2542 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2543 2544 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2545 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2546 if (matches.size() == 1) { 2547 return matches.get(0).getComponentInfo().packageName; 2548 } else { 2549 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2550 return null; 2551 } 2552 } 2553 2554 private @NonNull String getRequiredInstallerLPr() { 2555 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2556 intent.addCategory(Intent.CATEGORY_DEFAULT); 2557 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2558 2559 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2560 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2561 if (matches.size() == 1) { 2562 return matches.get(0).getComponentInfo().packageName; 2563 } else { 2564 throw new RuntimeException("There must be exactly one installer; found " + matches); 2565 } 2566 } 2567 2568 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2569 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2570 2571 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2572 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2573 ResolveInfo best = null; 2574 final int N = matches.size(); 2575 for (int i = 0; i < N; i++) { 2576 final ResolveInfo cur = matches.get(i); 2577 final String packageName = cur.getComponentInfo().packageName; 2578 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2579 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2580 continue; 2581 } 2582 2583 if (best == null || cur.priority > best.priority) { 2584 best = cur; 2585 } 2586 } 2587 2588 if (best != null) { 2589 return best.getComponentInfo().getComponentName(); 2590 } else { 2591 throw new RuntimeException("There must be at least one intent filter verifier"); 2592 } 2593 } 2594 2595 private @Nullable ComponentName getEphemeralResolverLPr() { 2596 final String[] packageArray = 2597 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2598 if (packageArray.length == 0) { 2599 if (DEBUG_EPHEMERAL) { 2600 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2601 } 2602 return null; 2603 } 2604 2605 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2606 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2607 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2608 2609 final int N = resolvers.size(); 2610 if (N == 0) { 2611 if (DEBUG_EPHEMERAL) { 2612 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2613 } 2614 return null; 2615 } 2616 2617 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2618 for (int i = 0; i < N; i++) { 2619 final ResolveInfo info = resolvers.get(i); 2620 2621 if (info.serviceInfo == null) { 2622 continue; 2623 } 2624 2625 final String packageName = info.serviceInfo.packageName; 2626 if (!possiblePackages.contains(packageName)) { 2627 if (DEBUG_EPHEMERAL) { 2628 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2629 + " pkg: " + packageName + ", info:" + info); 2630 } 2631 continue; 2632 } 2633 2634 if (DEBUG_EPHEMERAL) { 2635 Slog.v(TAG, "Ephemeral resolver found;" 2636 + " pkg: " + packageName + ", info:" + info); 2637 } 2638 return new ComponentName(packageName, info.serviceInfo.name); 2639 } 2640 if (DEBUG_EPHEMERAL) { 2641 Slog.v(TAG, "Ephemeral resolver NOT found"); 2642 } 2643 return null; 2644 } 2645 2646 private @Nullable ComponentName getEphemeralInstallerLPr() { 2647 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2648 intent.addCategory(Intent.CATEGORY_DEFAULT); 2649 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2650 2651 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2652 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2653 if (matches.size() == 0) { 2654 return null; 2655 } else if (matches.size() == 1) { 2656 return matches.get(0).getComponentInfo().getComponentName(); 2657 } else { 2658 throw new RuntimeException( 2659 "There must be at most one ephemeral installer; found " + matches); 2660 } 2661 } 2662 2663 private void primeDomainVerificationsLPw(int userId) { 2664 if (DEBUG_DOMAIN_VERIFICATION) { 2665 Slog.d(TAG, "Priming domain verifications in user " + userId); 2666 } 2667 2668 SystemConfig systemConfig = SystemConfig.getInstance(); 2669 ArraySet<String> packages = systemConfig.getLinkedApps(); 2670 ArraySet<String> domains = new ArraySet<String>(); 2671 2672 for (String packageName : packages) { 2673 PackageParser.Package pkg = mPackages.get(packageName); 2674 if (pkg != null) { 2675 if (!pkg.isSystemApp()) { 2676 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2677 continue; 2678 } 2679 2680 domains.clear(); 2681 for (PackageParser.Activity a : pkg.activities) { 2682 for (ActivityIntentInfo filter : a.intents) { 2683 if (hasValidDomains(filter)) { 2684 domains.addAll(filter.getHostsList()); 2685 } 2686 } 2687 } 2688 2689 if (domains.size() > 0) { 2690 if (DEBUG_DOMAIN_VERIFICATION) { 2691 Slog.v(TAG, " + " + packageName); 2692 } 2693 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2694 // state w.r.t. the formal app-linkage "no verification attempted" state; 2695 // and then 'always' in the per-user state actually used for intent resolution. 2696 final IntentFilterVerificationInfo ivi; 2697 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2698 new ArrayList<String>(domains)); 2699 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2700 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2701 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2702 } else { 2703 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2704 + "' does not handle web links"); 2705 } 2706 } else { 2707 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2708 } 2709 } 2710 2711 scheduleWritePackageRestrictionsLocked(userId); 2712 scheduleWriteSettingsLocked(); 2713 } 2714 2715 private void applyFactoryDefaultBrowserLPw(int userId) { 2716 // The default browser app's package name is stored in a string resource, 2717 // with a product-specific overlay used for vendor customization. 2718 String browserPkg = mContext.getResources().getString( 2719 com.android.internal.R.string.default_browser); 2720 if (!TextUtils.isEmpty(browserPkg)) { 2721 // non-empty string => required to be a known package 2722 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2723 if (ps == null) { 2724 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2725 browserPkg = null; 2726 } else { 2727 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2728 } 2729 } 2730 2731 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2732 // default. If there's more than one, just leave everything alone. 2733 if (browserPkg == null) { 2734 calculateDefaultBrowserLPw(userId); 2735 } 2736 } 2737 2738 private void calculateDefaultBrowserLPw(int userId) { 2739 List<String> allBrowsers = resolveAllBrowserApps(userId); 2740 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2741 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2742 } 2743 2744 private List<String> resolveAllBrowserApps(int userId) { 2745 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2746 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2747 PackageManager.MATCH_ALL, userId); 2748 2749 final int count = list.size(); 2750 List<String> result = new ArrayList<String>(count); 2751 for (int i=0; i<count; i++) { 2752 ResolveInfo info = list.get(i); 2753 if (info.activityInfo == null 2754 || !info.handleAllWebDataURI 2755 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2756 || result.contains(info.activityInfo.packageName)) { 2757 continue; 2758 } 2759 result.add(info.activityInfo.packageName); 2760 } 2761 2762 return result; 2763 } 2764 2765 private boolean packageIsBrowser(String packageName, int userId) { 2766 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2767 PackageManager.MATCH_ALL, userId); 2768 final int N = list.size(); 2769 for (int i = 0; i < N; i++) { 2770 ResolveInfo info = list.get(i); 2771 if (packageName.equals(info.activityInfo.packageName)) { 2772 return true; 2773 } 2774 } 2775 return false; 2776 } 2777 2778 private void checkDefaultBrowser() { 2779 final int myUserId = UserHandle.myUserId(); 2780 final String packageName = getDefaultBrowserPackageName(myUserId); 2781 if (packageName != null) { 2782 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2783 if (info == null) { 2784 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2785 synchronized (mPackages) { 2786 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2787 } 2788 } 2789 } 2790 } 2791 2792 @Override 2793 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2794 throws RemoteException { 2795 try { 2796 return super.onTransact(code, data, reply, flags); 2797 } catch (RuntimeException e) { 2798 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2799 Slog.wtf(TAG, "Package Manager Crash", e); 2800 } 2801 throw e; 2802 } 2803 } 2804 2805 void cleanupInstallFailedPackage(PackageSetting ps) { 2806 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2807 2808 removeDataDirsLI(ps.volumeUuid, ps.name); 2809 if (ps.codePath != null) { 2810 removeCodePathLI(ps.codePath); 2811 } 2812 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2813 if (ps.resourcePath.isDirectory()) { 2814 FileUtils.deleteContents(ps.resourcePath); 2815 } 2816 ps.resourcePath.delete(); 2817 } 2818 mSettings.removePackageLPw(ps.name); 2819 } 2820 2821 static int[] appendInts(int[] cur, int[] add) { 2822 if (add == null) return cur; 2823 if (cur == null) return add; 2824 final int N = add.length; 2825 for (int i=0; i<N; i++) { 2826 cur = appendInt(cur, add[i]); 2827 } 2828 return cur; 2829 } 2830 2831 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2832 if (!sUserManager.exists(userId)) return null; 2833 final PackageSetting ps = (PackageSetting) p.mExtras; 2834 if (ps == null) { 2835 return null; 2836 } 2837 2838 final PermissionsState permissionsState = ps.getPermissionsState(); 2839 2840 final int[] gids = permissionsState.computeGids(userId); 2841 final Set<String> permissions = permissionsState.getPermissions(userId); 2842 final PackageUserState state = ps.readUserState(userId); 2843 2844 return PackageParser.generatePackageInfo(p, gids, flags, 2845 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2846 } 2847 2848 @Override 2849 public void checkPackageStartable(String packageName, int userId) { 2850 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2851 2852 synchronized (mPackages) { 2853 final PackageSetting ps = mSettings.mPackages.get(packageName); 2854 if (ps == null) { 2855 throw new SecurityException("Package " + packageName + " was not found!"); 2856 } 2857 2858 if (ps.frozen) { 2859 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2860 } 2861 2862 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2863 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2864 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2865 } 2866 } 2867 } 2868 2869 @Override 2870 public boolean isPackageAvailable(String packageName, int userId) { 2871 if (!sUserManager.exists(userId)) return false; 2872 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2873 synchronized (mPackages) { 2874 PackageParser.Package p = mPackages.get(packageName); 2875 if (p != null) { 2876 final PackageSetting ps = (PackageSetting) p.mExtras; 2877 if (ps != null) { 2878 final PackageUserState state = ps.readUserState(userId); 2879 if (state != null) { 2880 return PackageParser.isAvailable(state); 2881 } 2882 } 2883 } 2884 } 2885 return false; 2886 } 2887 2888 @Override 2889 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2890 if (!sUserManager.exists(userId)) return null; 2891 flags = updateFlagsForPackage(flags, userId, packageName); 2892 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2893 // reader 2894 synchronized (mPackages) { 2895 PackageParser.Package p = mPackages.get(packageName); 2896 if (DEBUG_PACKAGE_INFO) 2897 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2898 if (p != null) { 2899 return generatePackageInfo(p, flags, userId); 2900 } 2901 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2902 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2903 } 2904 } 2905 return null; 2906 } 2907 2908 @Override 2909 public String[] currentToCanonicalPackageNames(String[] names) { 2910 String[] out = new String[names.length]; 2911 // reader 2912 synchronized (mPackages) { 2913 for (int i=names.length-1; i>=0; i--) { 2914 PackageSetting ps = mSettings.mPackages.get(names[i]); 2915 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2916 } 2917 } 2918 return out; 2919 } 2920 2921 @Override 2922 public String[] canonicalToCurrentPackageNames(String[] names) { 2923 String[] out = new String[names.length]; 2924 // reader 2925 synchronized (mPackages) { 2926 for (int i=names.length-1; i>=0; i--) { 2927 String cur = mSettings.mRenamedPackages.get(names[i]); 2928 out[i] = cur != null ? cur : names[i]; 2929 } 2930 } 2931 return out; 2932 } 2933 2934 @Override 2935 public int getPackageUid(String packageName, int flags, int userId) { 2936 if (!sUserManager.exists(userId)) return -1; 2937 flags = updateFlagsForPackage(flags, userId, packageName); 2938 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2939 2940 // reader 2941 synchronized (mPackages) { 2942 final PackageParser.Package p = mPackages.get(packageName); 2943 if (p != null && p.isMatch(flags)) { 2944 return UserHandle.getUid(userId, p.applicationInfo.uid); 2945 } 2946 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2947 final PackageSetting ps = mSettings.mPackages.get(packageName); 2948 if (ps != null && ps.isMatch(flags)) { 2949 return UserHandle.getUid(userId, ps.appId); 2950 } 2951 } 2952 } 2953 2954 return -1; 2955 } 2956 2957 @Override 2958 public int[] getPackageGids(String packageName, int flags, int userId) { 2959 if (!sUserManager.exists(userId)) return null; 2960 flags = updateFlagsForPackage(flags, userId, packageName); 2961 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2962 "getPackageGids"); 2963 2964 // reader 2965 synchronized (mPackages) { 2966 final PackageParser.Package p = mPackages.get(packageName); 2967 if (p != null && p.isMatch(flags)) { 2968 PackageSetting ps = (PackageSetting) p.mExtras; 2969 return ps.getPermissionsState().computeGids(userId); 2970 } 2971 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2972 final PackageSetting ps = mSettings.mPackages.get(packageName); 2973 if (ps != null && ps.isMatch(flags)) { 2974 return ps.getPermissionsState().computeGids(userId); 2975 } 2976 } 2977 } 2978 2979 return null; 2980 } 2981 2982 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2983 if (bp.perm != null) { 2984 return PackageParser.generatePermissionInfo(bp.perm, flags); 2985 } 2986 PermissionInfo pi = new PermissionInfo(); 2987 pi.name = bp.name; 2988 pi.packageName = bp.sourcePackage; 2989 pi.nonLocalizedLabel = bp.name; 2990 pi.protectionLevel = bp.protectionLevel; 2991 return pi; 2992 } 2993 2994 @Override 2995 public PermissionInfo getPermissionInfo(String name, int flags) { 2996 // reader 2997 synchronized (mPackages) { 2998 final BasePermission p = mSettings.mPermissions.get(name); 2999 if (p != null) { 3000 return generatePermissionInfo(p, flags); 3001 } 3002 return null; 3003 } 3004 } 3005 3006 @Override 3007 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 3008 // reader 3009 synchronized (mPackages) { 3010 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3011 for (BasePermission p : mSettings.mPermissions.values()) { 3012 if (group == null) { 3013 if (p.perm == null || p.perm.info.group == null) { 3014 out.add(generatePermissionInfo(p, flags)); 3015 } 3016 } else { 3017 if (p.perm != null && group.equals(p.perm.info.group)) { 3018 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3019 } 3020 } 3021 } 3022 3023 if (out.size() > 0) { 3024 return out; 3025 } 3026 return mPermissionGroups.containsKey(group) ? out : null; 3027 } 3028 } 3029 3030 @Override 3031 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3032 // reader 3033 synchronized (mPackages) { 3034 return PackageParser.generatePermissionGroupInfo( 3035 mPermissionGroups.get(name), flags); 3036 } 3037 } 3038 3039 @Override 3040 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3041 // reader 3042 synchronized (mPackages) { 3043 final int N = mPermissionGroups.size(); 3044 ArrayList<PermissionGroupInfo> out 3045 = new ArrayList<PermissionGroupInfo>(N); 3046 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3047 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3048 } 3049 return out; 3050 } 3051 } 3052 3053 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3054 int userId) { 3055 if (!sUserManager.exists(userId)) return null; 3056 PackageSetting ps = mSettings.mPackages.get(packageName); 3057 if (ps != null) { 3058 if (ps.pkg == null) { 3059 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3060 flags, userId); 3061 if (pInfo != null) { 3062 return pInfo.applicationInfo; 3063 } 3064 return null; 3065 } 3066 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3067 ps.readUserState(userId), userId); 3068 } 3069 return null; 3070 } 3071 3072 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3073 int userId) { 3074 if (!sUserManager.exists(userId)) return null; 3075 PackageSetting ps = mSettings.mPackages.get(packageName); 3076 if (ps != null) { 3077 PackageParser.Package pkg = ps.pkg; 3078 if (pkg == null) { 3079 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3080 return null; 3081 } 3082 // Only data remains, so we aren't worried about code paths 3083 pkg = new PackageParser.Package(packageName); 3084 pkg.applicationInfo.packageName = packageName; 3085 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3086 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3087 pkg.applicationInfo.uid = ps.appId; 3088 pkg.applicationInfo.initForUser(userId); 3089 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3090 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3091 } 3092 return generatePackageInfo(pkg, flags, userId); 3093 } 3094 return null; 3095 } 3096 3097 @Override 3098 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3099 if (!sUserManager.exists(userId)) return null; 3100 flags = updateFlagsForApplication(flags, userId, packageName); 3101 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3102 // writer 3103 synchronized (mPackages) { 3104 PackageParser.Package p = mPackages.get(packageName); 3105 if (DEBUG_PACKAGE_INFO) Log.v( 3106 TAG, "getApplicationInfo " + packageName 3107 + ": " + p); 3108 if (p != null) { 3109 PackageSetting ps = mSettings.mPackages.get(packageName); 3110 if (ps == null) return null; 3111 // Note: isEnabledLP() does not apply here - always return info 3112 return PackageParser.generateApplicationInfo( 3113 p, flags, ps.readUserState(userId), userId); 3114 } 3115 if ("android".equals(packageName)||"system".equals(packageName)) { 3116 return mAndroidApplication; 3117 } 3118 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3119 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3120 } 3121 } 3122 return null; 3123 } 3124 3125 @Override 3126 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3127 final IPackageDataObserver observer) { 3128 mContext.enforceCallingOrSelfPermission( 3129 android.Manifest.permission.CLEAR_APP_CACHE, null); 3130 // Queue up an async operation since clearing cache may take a little while. 3131 mHandler.post(new Runnable() { 3132 public void run() { 3133 mHandler.removeCallbacks(this); 3134 boolean success = true; 3135 synchronized (mInstallLock) { 3136 try { 3137 mInstaller.freeCache(volumeUuid, freeStorageSize); 3138 } catch (InstallerException e) { 3139 Slog.w(TAG, "Couldn't clear application caches: " + e); 3140 success = false; 3141 } 3142 } 3143 if (observer != null) { 3144 try { 3145 observer.onRemoveCompleted(null, success); 3146 } catch (RemoteException e) { 3147 Slog.w(TAG, "RemoveException when invoking call back"); 3148 } 3149 } 3150 } 3151 }); 3152 } 3153 3154 @Override 3155 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3156 final IntentSender pi) { 3157 mContext.enforceCallingOrSelfPermission( 3158 android.Manifest.permission.CLEAR_APP_CACHE, null); 3159 // Queue up an async operation since clearing cache may take a little while. 3160 mHandler.post(new Runnable() { 3161 public void run() { 3162 mHandler.removeCallbacks(this); 3163 boolean success = true; 3164 synchronized (mInstallLock) { 3165 try { 3166 mInstaller.freeCache(volumeUuid, freeStorageSize); 3167 } catch (InstallerException e) { 3168 Slog.w(TAG, "Couldn't clear application caches: " + e); 3169 success = false; 3170 } 3171 } 3172 if(pi != null) { 3173 try { 3174 // Callback via pending intent 3175 int code = success ? 1 : 0; 3176 pi.sendIntent(null, code, null, 3177 null, null); 3178 } catch (SendIntentException e1) { 3179 Slog.i(TAG, "Failed to send pending intent"); 3180 } 3181 } 3182 } 3183 }); 3184 } 3185 3186 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3187 synchronized (mInstallLock) { 3188 try { 3189 mInstaller.freeCache(volumeUuid, freeStorageSize); 3190 } catch (InstallerException e) { 3191 throw new IOException("Failed to free enough space", e); 3192 } 3193 } 3194 } 3195 3196 /** 3197 * Return if the user key is currently unlocked. 3198 */ 3199 private boolean isUserKeyUnlocked(int userId) { 3200 if (StorageManager.isFileBasedEncryptionEnabled()) { 3201 final IMountService mount = IMountService.Stub 3202 .asInterface(ServiceManager.getService("mount")); 3203 if (mount == null) { 3204 Slog.w(TAG, "Early during boot, assuming locked"); 3205 return false; 3206 } 3207 final long token = Binder.clearCallingIdentity(); 3208 try { 3209 return mount.isUserKeyUnlocked(userId); 3210 } catch (RemoteException e) { 3211 throw e.rethrowAsRuntimeException(); 3212 } finally { 3213 Binder.restoreCallingIdentity(token); 3214 } 3215 } else { 3216 return true; 3217 } 3218 } 3219 3220 /** 3221 * Update given flags based on encryption status of current user. 3222 */ 3223 private int updateFlags(int flags, int userId) { 3224 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3225 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3226 // Caller expressed an explicit opinion about what encryption 3227 // aware/unaware components they want to see, so fall through and 3228 // give them what they want 3229 } else { 3230 // Caller expressed no opinion, so match based on user state 3231 if (isUserKeyUnlocked(userId)) { 3232 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3233 } else { 3234 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3235 } 3236 } 3237 3238 // Safe mode means we should ignore any third-party apps 3239 if (mSafeMode) { 3240 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3241 } 3242 3243 return flags; 3244 } 3245 3246 /** 3247 * Update given flags when being used to request {@link PackageInfo}. 3248 */ 3249 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3250 boolean triaged = true; 3251 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3252 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3253 // Caller is asking for component details, so they'd better be 3254 // asking for specific encryption matching behavior, or be triaged 3255 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3256 | PackageManager.MATCH_ENCRYPTION_AWARE 3257 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3258 triaged = false; 3259 } 3260 } 3261 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3262 | PackageManager.MATCH_SYSTEM_ONLY 3263 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3264 triaged = false; 3265 } 3266 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3267 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3268 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3269 } 3270 return updateFlags(flags, userId); 3271 } 3272 3273 /** 3274 * Update given flags when being used to request {@link ApplicationInfo}. 3275 */ 3276 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3277 return updateFlagsForPackage(flags, userId, cookie); 3278 } 3279 3280 /** 3281 * Update given flags when being used to request {@link ComponentInfo}. 3282 */ 3283 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3284 if (cookie instanceof Intent) { 3285 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3286 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3287 } 3288 } 3289 3290 boolean triaged = true; 3291 // Caller is asking for component details, so they'd better be 3292 // asking for specific encryption matching behavior, or be triaged 3293 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3294 | PackageManager.MATCH_ENCRYPTION_AWARE 3295 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3296 triaged = false; 3297 } 3298 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3299 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3300 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3301 } 3302 return updateFlags(flags, userId); 3303 } 3304 3305 /** 3306 * Update given flags when being used to request {@link ResolveInfo}. 3307 */ 3308 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3309 return updateFlagsForComponent(flags, userId, cookie); 3310 } 3311 3312 @Override 3313 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3314 if (!sUserManager.exists(userId)) return null; 3315 flags = updateFlagsForComponent(flags, userId, component); 3316 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3317 synchronized (mPackages) { 3318 PackageParser.Activity a = mActivities.mActivities.get(component); 3319 3320 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3321 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3322 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3323 if (ps == null) return null; 3324 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3325 userId); 3326 } 3327 if (mResolveComponentName.equals(component)) { 3328 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3329 new PackageUserState(), userId); 3330 } 3331 } 3332 return null; 3333 } 3334 3335 @Override 3336 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3337 String resolvedType) { 3338 synchronized (mPackages) { 3339 if (component.equals(mResolveComponentName)) { 3340 // The resolver supports EVERYTHING! 3341 return true; 3342 } 3343 PackageParser.Activity a = mActivities.mActivities.get(component); 3344 if (a == null) { 3345 return false; 3346 } 3347 for (int i=0; i<a.intents.size(); i++) { 3348 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3349 intent.getData(), intent.getCategories(), TAG) >= 0) { 3350 return true; 3351 } 3352 } 3353 return false; 3354 } 3355 } 3356 3357 @Override 3358 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3359 if (!sUserManager.exists(userId)) return null; 3360 flags = updateFlagsForComponent(flags, userId, component); 3361 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3362 synchronized (mPackages) { 3363 PackageParser.Activity a = mReceivers.mActivities.get(component); 3364 if (DEBUG_PACKAGE_INFO) Log.v( 3365 TAG, "getReceiverInfo " + component + ": " + a); 3366 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3367 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3368 if (ps == null) return null; 3369 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3370 userId); 3371 } 3372 } 3373 return null; 3374 } 3375 3376 @Override 3377 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3378 if (!sUserManager.exists(userId)) return null; 3379 flags = updateFlagsForComponent(flags, userId, component); 3380 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3381 synchronized (mPackages) { 3382 PackageParser.Service s = mServices.mServices.get(component); 3383 if (DEBUG_PACKAGE_INFO) Log.v( 3384 TAG, "getServiceInfo " + component + ": " + s); 3385 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3386 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3387 if (ps == null) return null; 3388 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3389 userId); 3390 } 3391 } 3392 return null; 3393 } 3394 3395 @Override 3396 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3397 if (!sUserManager.exists(userId)) return null; 3398 flags = updateFlagsForComponent(flags, userId, component); 3399 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3400 synchronized (mPackages) { 3401 PackageParser.Provider p = mProviders.mProviders.get(component); 3402 if (DEBUG_PACKAGE_INFO) Log.v( 3403 TAG, "getProviderInfo " + component + ": " + p); 3404 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3405 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3406 if (ps == null) return null; 3407 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3408 userId); 3409 } 3410 } 3411 return null; 3412 } 3413 3414 @Override 3415 public String[] getSystemSharedLibraryNames() { 3416 Set<String> libSet; 3417 synchronized (mPackages) { 3418 libSet = mSharedLibraries.keySet(); 3419 int size = libSet.size(); 3420 if (size > 0) { 3421 String[] libs = new String[size]; 3422 libSet.toArray(libs); 3423 return libs; 3424 } 3425 } 3426 return null; 3427 } 3428 3429 @Override 3430 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3431 synchronized (mPackages) { 3432 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3433 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3434 if (libraryEntry != null) { 3435 return libraryEntry.apk; 3436 } 3437 } 3438 return null; 3439 } 3440 3441 @Override 3442 public FeatureInfo[] getSystemAvailableFeatures() { 3443 Collection<FeatureInfo> featSet; 3444 synchronized (mPackages) { 3445 featSet = mAvailableFeatures.values(); 3446 int size = featSet.size(); 3447 if (size > 0) { 3448 FeatureInfo[] features = new FeatureInfo[size+1]; 3449 featSet.toArray(features); 3450 FeatureInfo fi = new FeatureInfo(); 3451 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3452 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3453 features[size] = fi; 3454 return features; 3455 } 3456 } 3457 return null; 3458 } 3459 3460 @Override 3461 public boolean hasSystemFeature(String name) { 3462 synchronized (mPackages) { 3463 return mAvailableFeatures.containsKey(name); 3464 } 3465 } 3466 3467 @Override 3468 public int checkPermission(String permName, String pkgName, int userId) { 3469 if (!sUserManager.exists(userId)) { 3470 return PackageManager.PERMISSION_DENIED; 3471 } 3472 3473 synchronized (mPackages) { 3474 final PackageParser.Package p = mPackages.get(pkgName); 3475 if (p != null && p.mExtras != null) { 3476 final PackageSetting ps = (PackageSetting) p.mExtras; 3477 final PermissionsState permissionsState = ps.getPermissionsState(); 3478 if (permissionsState.hasPermission(permName, userId)) { 3479 return PackageManager.PERMISSION_GRANTED; 3480 } 3481 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3482 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3483 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3484 return PackageManager.PERMISSION_GRANTED; 3485 } 3486 } 3487 } 3488 3489 return PackageManager.PERMISSION_DENIED; 3490 } 3491 3492 @Override 3493 public int checkUidPermission(String permName, int uid) { 3494 final int userId = UserHandle.getUserId(uid); 3495 3496 if (!sUserManager.exists(userId)) { 3497 return PackageManager.PERMISSION_DENIED; 3498 } 3499 3500 synchronized (mPackages) { 3501 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3502 if (obj != null) { 3503 final SettingBase ps = (SettingBase) obj; 3504 final PermissionsState permissionsState = ps.getPermissionsState(); 3505 if (permissionsState.hasPermission(permName, userId)) { 3506 return PackageManager.PERMISSION_GRANTED; 3507 } 3508 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3509 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3510 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3511 return PackageManager.PERMISSION_GRANTED; 3512 } 3513 } else { 3514 ArraySet<String> perms = mSystemPermissions.get(uid); 3515 if (perms != null) { 3516 if (perms.contains(permName)) { 3517 return PackageManager.PERMISSION_GRANTED; 3518 } 3519 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3520 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3521 return PackageManager.PERMISSION_GRANTED; 3522 } 3523 } 3524 } 3525 } 3526 3527 return PackageManager.PERMISSION_DENIED; 3528 } 3529 3530 @Override 3531 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3532 if (UserHandle.getCallingUserId() != userId) { 3533 mContext.enforceCallingPermission( 3534 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3535 "isPermissionRevokedByPolicy for user " + userId); 3536 } 3537 3538 if (checkPermission(permission, packageName, userId) 3539 == PackageManager.PERMISSION_GRANTED) { 3540 return false; 3541 } 3542 3543 final long identity = Binder.clearCallingIdentity(); 3544 try { 3545 final int flags = getPermissionFlags(permission, packageName, userId); 3546 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3547 } finally { 3548 Binder.restoreCallingIdentity(identity); 3549 } 3550 } 3551 3552 @Override 3553 public String getPermissionControllerPackageName() { 3554 synchronized (mPackages) { 3555 return mRequiredInstallerPackage; 3556 } 3557 } 3558 3559 /** 3560 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3561 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3562 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3563 * @param message the message to log on security exception 3564 */ 3565 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3566 boolean checkShell, String message) { 3567 if (userId < 0) { 3568 throw new IllegalArgumentException("Invalid userId " + userId); 3569 } 3570 if (checkShell) { 3571 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3572 } 3573 if (userId == UserHandle.getUserId(callingUid)) return; 3574 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3575 if (requireFullPermission) { 3576 mContext.enforceCallingOrSelfPermission( 3577 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3578 } else { 3579 try { 3580 mContext.enforceCallingOrSelfPermission( 3581 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3582 } catch (SecurityException se) { 3583 mContext.enforceCallingOrSelfPermission( 3584 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3585 } 3586 } 3587 } 3588 } 3589 3590 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3591 if (callingUid == Process.SHELL_UID) { 3592 if (userHandle >= 0 3593 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3594 throw new SecurityException("Shell does not have permission to access user " 3595 + userHandle); 3596 } else if (userHandle < 0) { 3597 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3598 + Debug.getCallers(3)); 3599 } 3600 } 3601 } 3602 3603 private BasePermission findPermissionTreeLP(String permName) { 3604 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3605 if (permName.startsWith(bp.name) && 3606 permName.length() > bp.name.length() && 3607 permName.charAt(bp.name.length()) == '.') { 3608 return bp; 3609 } 3610 } 3611 return null; 3612 } 3613 3614 private BasePermission checkPermissionTreeLP(String permName) { 3615 if (permName != null) { 3616 BasePermission bp = findPermissionTreeLP(permName); 3617 if (bp != null) { 3618 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3619 return bp; 3620 } 3621 throw new SecurityException("Calling uid " 3622 + Binder.getCallingUid() 3623 + " is not allowed to add to permission tree " 3624 + bp.name + " owned by uid " + bp.uid); 3625 } 3626 } 3627 throw new SecurityException("No permission tree found for " + permName); 3628 } 3629 3630 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3631 if (s1 == null) { 3632 return s2 == null; 3633 } 3634 if (s2 == null) { 3635 return false; 3636 } 3637 if (s1.getClass() != s2.getClass()) { 3638 return false; 3639 } 3640 return s1.equals(s2); 3641 } 3642 3643 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3644 if (pi1.icon != pi2.icon) return false; 3645 if (pi1.logo != pi2.logo) return false; 3646 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3647 if (!compareStrings(pi1.name, pi2.name)) return false; 3648 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3649 // We'll take care of setting this one. 3650 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3651 // These are not currently stored in settings. 3652 //if (!compareStrings(pi1.group, pi2.group)) return false; 3653 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3654 //if (pi1.labelRes != pi2.labelRes) return false; 3655 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3656 return true; 3657 } 3658 3659 int permissionInfoFootprint(PermissionInfo info) { 3660 int size = info.name.length(); 3661 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3662 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3663 return size; 3664 } 3665 3666 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3667 int size = 0; 3668 for (BasePermission perm : mSettings.mPermissions.values()) { 3669 if (perm.uid == tree.uid) { 3670 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3671 } 3672 } 3673 return size; 3674 } 3675 3676 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3677 // We calculate the max size of permissions defined by this uid and throw 3678 // if that plus the size of 'info' would exceed our stated maximum. 3679 if (tree.uid != Process.SYSTEM_UID) { 3680 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3681 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3682 throw new SecurityException("Permission tree size cap exceeded"); 3683 } 3684 } 3685 } 3686 3687 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3688 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3689 throw new SecurityException("Label must be specified in permission"); 3690 } 3691 BasePermission tree = checkPermissionTreeLP(info.name); 3692 BasePermission bp = mSettings.mPermissions.get(info.name); 3693 boolean added = bp == null; 3694 boolean changed = true; 3695 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3696 if (added) { 3697 enforcePermissionCapLocked(info, tree); 3698 bp = new BasePermission(info.name, tree.sourcePackage, 3699 BasePermission.TYPE_DYNAMIC); 3700 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3701 throw new SecurityException( 3702 "Not allowed to modify non-dynamic permission " 3703 + info.name); 3704 } else { 3705 if (bp.protectionLevel == fixedLevel 3706 && bp.perm.owner.equals(tree.perm.owner) 3707 && bp.uid == tree.uid 3708 && comparePermissionInfos(bp.perm.info, info)) { 3709 changed = false; 3710 } 3711 } 3712 bp.protectionLevel = fixedLevel; 3713 info = new PermissionInfo(info); 3714 info.protectionLevel = fixedLevel; 3715 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3716 bp.perm.info.packageName = tree.perm.info.packageName; 3717 bp.uid = tree.uid; 3718 if (added) { 3719 mSettings.mPermissions.put(info.name, bp); 3720 } 3721 if (changed) { 3722 if (!async) { 3723 mSettings.writeLPr(); 3724 } else { 3725 scheduleWriteSettingsLocked(); 3726 } 3727 } 3728 return added; 3729 } 3730 3731 @Override 3732 public boolean addPermission(PermissionInfo info) { 3733 synchronized (mPackages) { 3734 return addPermissionLocked(info, false); 3735 } 3736 } 3737 3738 @Override 3739 public boolean addPermissionAsync(PermissionInfo info) { 3740 synchronized (mPackages) { 3741 return addPermissionLocked(info, true); 3742 } 3743 } 3744 3745 @Override 3746 public void removePermission(String name) { 3747 synchronized (mPackages) { 3748 checkPermissionTreeLP(name); 3749 BasePermission bp = mSettings.mPermissions.get(name); 3750 if (bp != null) { 3751 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3752 throw new SecurityException( 3753 "Not allowed to modify non-dynamic permission " 3754 + name); 3755 } 3756 mSettings.mPermissions.remove(name); 3757 mSettings.writeLPr(); 3758 } 3759 } 3760 } 3761 3762 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3763 BasePermission bp) { 3764 int index = pkg.requestedPermissions.indexOf(bp.name); 3765 if (index == -1) { 3766 throw new SecurityException("Package " + pkg.packageName 3767 + " has not requested permission " + bp.name); 3768 } 3769 if (!bp.isRuntime() && !bp.isDevelopment()) { 3770 throw new SecurityException("Permission " + bp.name 3771 + " is not a changeable permission type"); 3772 } 3773 } 3774 3775 @Override 3776 public void grantRuntimePermission(String packageName, String name, final int userId) { 3777 if (!sUserManager.exists(userId)) { 3778 Log.e(TAG, "No such user:" + userId); 3779 return; 3780 } 3781 3782 mContext.enforceCallingOrSelfPermission( 3783 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3784 "grantRuntimePermission"); 3785 3786 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3787 "grantRuntimePermission"); 3788 3789 final int uid; 3790 final SettingBase sb; 3791 3792 synchronized (mPackages) { 3793 final PackageParser.Package pkg = mPackages.get(packageName); 3794 if (pkg == null) { 3795 throw new IllegalArgumentException("Unknown package: " + packageName); 3796 } 3797 3798 final BasePermission bp = mSettings.mPermissions.get(name); 3799 if (bp == null) { 3800 throw new IllegalArgumentException("Unknown permission: " + name); 3801 } 3802 3803 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3804 3805 // If a permission review is required for legacy apps we represent 3806 // their permissions as always granted runtime ones since we need 3807 // to keep the review required permission flag per user while an 3808 // install permission's state is shared across all users. 3809 if (Build.PERMISSIONS_REVIEW_REQUIRED 3810 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3811 && bp.isRuntime()) { 3812 return; 3813 } 3814 3815 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3816 sb = (SettingBase) pkg.mExtras; 3817 if (sb == null) { 3818 throw new IllegalArgumentException("Unknown package: " + packageName); 3819 } 3820 3821 final PermissionsState permissionsState = sb.getPermissionsState(); 3822 3823 final int flags = permissionsState.getPermissionFlags(name, userId); 3824 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3825 throw new SecurityException("Cannot grant system fixed permission " 3826 + name + " for package " + packageName); 3827 } 3828 3829 if (bp.isDevelopment()) { 3830 // Development permissions must be handled specially, since they are not 3831 // normal runtime permissions. For now they apply to all users. 3832 if (permissionsState.grantInstallPermission(bp) != 3833 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3834 scheduleWriteSettingsLocked(); 3835 } 3836 return; 3837 } 3838 3839 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3840 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3841 return; 3842 } 3843 3844 final int result = permissionsState.grantRuntimePermission(bp, userId); 3845 switch (result) { 3846 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3847 return; 3848 } 3849 3850 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3851 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3852 mHandler.post(new Runnable() { 3853 @Override 3854 public void run() { 3855 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3856 } 3857 }); 3858 } 3859 break; 3860 } 3861 3862 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3863 3864 // Not critical if that is lost - app has to request again. 3865 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3866 } 3867 3868 // Only need to do this if user is initialized. Otherwise it's a new user 3869 // and there are no processes running as the user yet and there's no need 3870 // to make an expensive call to remount processes for the changed permissions. 3871 if (READ_EXTERNAL_STORAGE.equals(name) 3872 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3873 final long token = Binder.clearCallingIdentity(); 3874 try { 3875 if (sUserManager.isInitialized(userId)) { 3876 MountServiceInternal mountServiceInternal = LocalServices.getService( 3877 MountServiceInternal.class); 3878 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3879 } 3880 } finally { 3881 Binder.restoreCallingIdentity(token); 3882 } 3883 } 3884 } 3885 3886 @Override 3887 public void revokeRuntimePermission(String packageName, String name, int userId) { 3888 if (!sUserManager.exists(userId)) { 3889 Log.e(TAG, "No such user:" + userId); 3890 return; 3891 } 3892 3893 mContext.enforceCallingOrSelfPermission( 3894 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3895 "revokeRuntimePermission"); 3896 3897 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3898 "revokeRuntimePermission"); 3899 3900 final int appId; 3901 3902 synchronized (mPackages) { 3903 final PackageParser.Package pkg = mPackages.get(packageName); 3904 if (pkg == null) { 3905 throw new IllegalArgumentException("Unknown package: " + packageName); 3906 } 3907 3908 final BasePermission bp = mSettings.mPermissions.get(name); 3909 if (bp == null) { 3910 throw new IllegalArgumentException("Unknown permission: " + name); 3911 } 3912 3913 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3914 3915 // If a permission review is required for legacy apps we represent 3916 // their permissions as always granted runtime ones since we need 3917 // to keep the review required permission flag per user while an 3918 // install permission's state is shared across all users. 3919 if (Build.PERMISSIONS_REVIEW_REQUIRED 3920 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3921 && bp.isRuntime()) { 3922 return; 3923 } 3924 3925 SettingBase sb = (SettingBase) pkg.mExtras; 3926 if (sb == null) { 3927 throw new IllegalArgumentException("Unknown package: " + packageName); 3928 } 3929 3930 final PermissionsState permissionsState = sb.getPermissionsState(); 3931 3932 final int flags = permissionsState.getPermissionFlags(name, userId); 3933 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3934 throw new SecurityException("Cannot revoke system fixed permission " 3935 + name + " for package " + packageName); 3936 } 3937 3938 if (bp.isDevelopment()) { 3939 // Development permissions must be handled specially, since they are not 3940 // normal runtime permissions. For now they apply to all users. 3941 if (permissionsState.revokeInstallPermission(bp) != 3942 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3943 scheduleWriteSettingsLocked(); 3944 } 3945 return; 3946 } 3947 3948 if (permissionsState.revokeRuntimePermission(bp, userId) == 3949 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3950 return; 3951 } 3952 3953 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3954 3955 // Critical, after this call app should never have the permission. 3956 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3957 3958 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3959 } 3960 3961 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3962 } 3963 3964 @Override 3965 public void resetRuntimePermissions() { 3966 mContext.enforceCallingOrSelfPermission( 3967 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3968 "revokeRuntimePermission"); 3969 3970 int callingUid = Binder.getCallingUid(); 3971 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3972 mContext.enforceCallingOrSelfPermission( 3973 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3974 "resetRuntimePermissions"); 3975 } 3976 3977 synchronized (mPackages) { 3978 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3979 for (int userId : UserManagerService.getInstance().getUserIds()) { 3980 final int packageCount = mPackages.size(); 3981 for (int i = 0; i < packageCount; i++) { 3982 PackageParser.Package pkg = mPackages.valueAt(i); 3983 if (!(pkg.mExtras instanceof PackageSetting)) { 3984 continue; 3985 } 3986 PackageSetting ps = (PackageSetting) pkg.mExtras; 3987 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3988 } 3989 } 3990 } 3991 } 3992 3993 @Override 3994 public int getPermissionFlags(String name, String packageName, int userId) { 3995 if (!sUserManager.exists(userId)) { 3996 return 0; 3997 } 3998 3999 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4000 4001 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4002 "getPermissionFlags"); 4003 4004 synchronized (mPackages) { 4005 final PackageParser.Package pkg = mPackages.get(packageName); 4006 if (pkg == null) { 4007 throw new IllegalArgumentException("Unknown package: " + packageName); 4008 } 4009 4010 final BasePermission bp = mSettings.mPermissions.get(name); 4011 if (bp == null) { 4012 throw new IllegalArgumentException("Unknown permission: " + name); 4013 } 4014 4015 SettingBase sb = (SettingBase) pkg.mExtras; 4016 if (sb == null) { 4017 throw new IllegalArgumentException("Unknown package: " + packageName); 4018 } 4019 4020 PermissionsState permissionsState = sb.getPermissionsState(); 4021 return permissionsState.getPermissionFlags(name, userId); 4022 } 4023 } 4024 4025 @Override 4026 public void updatePermissionFlags(String name, String packageName, int flagMask, 4027 int flagValues, int userId) { 4028 if (!sUserManager.exists(userId)) { 4029 return; 4030 } 4031 4032 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4033 4034 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4035 "updatePermissionFlags"); 4036 4037 // Only the system can change these flags and nothing else. 4038 if (getCallingUid() != Process.SYSTEM_UID) { 4039 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4040 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4041 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4042 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4043 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4044 } 4045 4046 synchronized (mPackages) { 4047 final PackageParser.Package pkg = mPackages.get(packageName); 4048 if (pkg == null) { 4049 throw new IllegalArgumentException("Unknown package: " + packageName); 4050 } 4051 4052 final BasePermission bp = mSettings.mPermissions.get(name); 4053 if (bp == null) { 4054 throw new IllegalArgumentException("Unknown permission: " + name); 4055 } 4056 4057 SettingBase sb = (SettingBase) pkg.mExtras; 4058 if (sb == null) { 4059 throw new IllegalArgumentException("Unknown package: " + packageName); 4060 } 4061 4062 PermissionsState permissionsState = sb.getPermissionsState(); 4063 4064 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4065 4066 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4067 // Install and runtime permissions are stored in different places, 4068 // so figure out what permission changed and persist the change. 4069 if (permissionsState.getInstallPermissionState(name) != null) { 4070 scheduleWriteSettingsLocked(); 4071 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4072 || hadState) { 4073 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4074 } 4075 } 4076 } 4077 } 4078 4079 /** 4080 * Update the permission flags for all packages and runtime permissions of a user in order 4081 * to allow device or profile owner to remove POLICY_FIXED. 4082 */ 4083 @Override 4084 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4085 if (!sUserManager.exists(userId)) { 4086 return; 4087 } 4088 4089 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4090 4091 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4092 "updatePermissionFlagsForAllApps"); 4093 4094 // Only the system can change system fixed flags. 4095 if (getCallingUid() != Process.SYSTEM_UID) { 4096 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4097 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4098 } 4099 4100 synchronized (mPackages) { 4101 boolean changed = false; 4102 final int packageCount = mPackages.size(); 4103 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4104 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4105 SettingBase sb = (SettingBase) pkg.mExtras; 4106 if (sb == null) { 4107 continue; 4108 } 4109 PermissionsState permissionsState = sb.getPermissionsState(); 4110 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4111 userId, flagMask, flagValues); 4112 } 4113 if (changed) { 4114 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4115 } 4116 } 4117 } 4118 4119 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4120 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4121 != PackageManager.PERMISSION_GRANTED 4122 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4123 != PackageManager.PERMISSION_GRANTED) { 4124 throw new SecurityException(message + " requires " 4125 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4126 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4127 } 4128 } 4129 4130 @Override 4131 public boolean shouldShowRequestPermissionRationale(String permissionName, 4132 String packageName, int userId) { 4133 if (UserHandle.getCallingUserId() != userId) { 4134 mContext.enforceCallingPermission( 4135 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4136 "canShowRequestPermissionRationale for user " + userId); 4137 } 4138 4139 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4140 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4141 return false; 4142 } 4143 4144 if (checkPermission(permissionName, packageName, userId) 4145 == PackageManager.PERMISSION_GRANTED) { 4146 return false; 4147 } 4148 4149 final int flags; 4150 4151 final long identity = Binder.clearCallingIdentity(); 4152 try { 4153 flags = getPermissionFlags(permissionName, 4154 packageName, userId); 4155 } finally { 4156 Binder.restoreCallingIdentity(identity); 4157 } 4158 4159 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4160 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4161 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4162 4163 if ((flags & fixedFlags) != 0) { 4164 return false; 4165 } 4166 4167 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4168 } 4169 4170 @Override 4171 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4172 mContext.enforceCallingOrSelfPermission( 4173 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4174 "addOnPermissionsChangeListener"); 4175 4176 synchronized (mPackages) { 4177 mOnPermissionChangeListeners.addListenerLocked(listener); 4178 } 4179 } 4180 4181 @Override 4182 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4183 synchronized (mPackages) { 4184 mOnPermissionChangeListeners.removeListenerLocked(listener); 4185 } 4186 } 4187 4188 @Override 4189 public boolean isProtectedBroadcast(String actionName) { 4190 synchronized (mPackages) { 4191 if (mProtectedBroadcasts.contains(actionName)) { 4192 return true; 4193 } else if (actionName != null) { 4194 // TODO: remove these terrible hacks 4195 if (actionName.startsWith("android.net.netmon.lingerExpired") 4196 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4197 return true; 4198 } 4199 } 4200 } 4201 return false; 4202 } 4203 4204 @Override 4205 public int checkSignatures(String pkg1, String pkg2) { 4206 synchronized (mPackages) { 4207 final PackageParser.Package p1 = mPackages.get(pkg1); 4208 final PackageParser.Package p2 = mPackages.get(pkg2); 4209 if (p1 == null || p1.mExtras == null 4210 || p2 == null || p2.mExtras == null) { 4211 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4212 } 4213 return compareSignatures(p1.mSignatures, p2.mSignatures); 4214 } 4215 } 4216 4217 @Override 4218 public int checkUidSignatures(int uid1, int uid2) { 4219 // Map to base uids. 4220 uid1 = UserHandle.getAppId(uid1); 4221 uid2 = UserHandle.getAppId(uid2); 4222 // reader 4223 synchronized (mPackages) { 4224 Signature[] s1; 4225 Signature[] s2; 4226 Object obj = mSettings.getUserIdLPr(uid1); 4227 if (obj != null) { 4228 if (obj instanceof SharedUserSetting) { 4229 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4230 } else if (obj instanceof PackageSetting) { 4231 s1 = ((PackageSetting)obj).signatures.mSignatures; 4232 } else { 4233 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4234 } 4235 } else { 4236 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4237 } 4238 obj = mSettings.getUserIdLPr(uid2); 4239 if (obj != null) { 4240 if (obj instanceof SharedUserSetting) { 4241 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4242 } else if (obj instanceof PackageSetting) { 4243 s2 = ((PackageSetting)obj).signatures.mSignatures; 4244 } else { 4245 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4246 } 4247 } else { 4248 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4249 } 4250 return compareSignatures(s1, s2); 4251 } 4252 } 4253 4254 private void killUid(int appId, int userId, String reason) { 4255 final long identity = Binder.clearCallingIdentity(); 4256 try { 4257 IActivityManager am = ActivityManagerNative.getDefault(); 4258 if (am != null) { 4259 try { 4260 am.killUid(appId, userId, reason); 4261 } catch (RemoteException e) { 4262 /* ignore - same process */ 4263 } 4264 } 4265 } finally { 4266 Binder.restoreCallingIdentity(identity); 4267 } 4268 } 4269 4270 /** 4271 * Compares two sets of signatures. Returns: 4272 * <br /> 4273 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4274 * <br /> 4275 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4276 * <br /> 4277 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4278 * <br /> 4279 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4280 * <br /> 4281 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4282 */ 4283 static int compareSignatures(Signature[] s1, Signature[] s2) { 4284 if (s1 == null) { 4285 return s2 == null 4286 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4287 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4288 } 4289 4290 if (s2 == null) { 4291 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4292 } 4293 4294 if (s1.length != s2.length) { 4295 return PackageManager.SIGNATURE_NO_MATCH; 4296 } 4297 4298 // Since both signature sets are of size 1, we can compare without HashSets. 4299 if (s1.length == 1) { 4300 return s1[0].equals(s2[0]) ? 4301 PackageManager.SIGNATURE_MATCH : 4302 PackageManager.SIGNATURE_NO_MATCH; 4303 } 4304 4305 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4306 for (Signature sig : s1) { 4307 set1.add(sig); 4308 } 4309 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4310 for (Signature sig : s2) { 4311 set2.add(sig); 4312 } 4313 // Make sure s2 contains all signatures in s1. 4314 if (set1.equals(set2)) { 4315 return PackageManager.SIGNATURE_MATCH; 4316 } 4317 return PackageManager.SIGNATURE_NO_MATCH; 4318 } 4319 4320 /** 4321 * If the database version for this type of package (internal storage or 4322 * external storage) is less than the version where package signatures 4323 * were updated, return true. 4324 */ 4325 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4326 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4327 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4328 } 4329 4330 /** 4331 * Used for backward compatibility to make sure any packages with 4332 * certificate chains get upgraded to the new style. {@code existingSigs} 4333 * will be in the old format (since they were stored on disk from before the 4334 * system upgrade) and {@code scannedSigs} will be in the newer format. 4335 */ 4336 private int compareSignaturesCompat(PackageSignatures existingSigs, 4337 PackageParser.Package scannedPkg) { 4338 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4339 return PackageManager.SIGNATURE_NO_MATCH; 4340 } 4341 4342 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4343 for (Signature sig : existingSigs.mSignatures) { 4344 existingSet.add(sig); 4345 } 4346 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4347 for (Signature sig : scannedPkg.mSignatures) { 4348 try { 4349 Signature[] chainSignatures = sig.getChainSignatures(); 4350 for (Signature chainSig : chainSignatures) { 4351 scannedCompatSet.add(chainSig); 4352 } 4353 } catch (CertificateEncodingException e) { 4354 scannedCompatSet.add(sig); 4355 } 4356 } 4357 /* 4358 * Make sure the expanded scanned set contains all signatures in the 4359 * existing one. 4360 */ 4361 if (scannedCompatSet.equals(existingSet)) { 4362 // Migrate the old signatures to the new scheme. 4363 existingSigs.assignSignatures(scannedPkg.mSignatures); 4364 // The new KeySets will be re-added later in the scanning process. 4365 synchronized (mPackages) { 4366 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4367 } 4368 return PackageManager.SIGNATURE_MATCH; 4369 } 4370 return PackageManager.SIGNATURE_NO_MATCH; 4371 } 4372 4373 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4374 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4375 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4376 } 4377 4378 private int compareSignaturesRecover(PackageSignatures existingSigs, 4379 PackageParser.Package scannedPkg) { 4380 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4381 return PackageManager.SIGNATURE_NO_MATCH; 4382 } 4383 4384 String msg = null; 4385 try { 4386 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4387 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4388 + scannedPkg.packageName); 4389 return PackageManager.SIGNATURE_MATCH; 4390 } 4391 } catch (CertificateException e) { 4392 msg = e.getMessage(); 4393 } 4394 4395 logCriticalInfo(Log.INFO, 4396 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4397 return PackageManager.SIGNATURE_NO_MATCH; 4398 } 4399 4400 @Override 4401 public String[] getPackagesForUid(int uid) { 4402 uid = UserHandle.getAppId(uid); 4403 // reader 4404 synchronized (mPackages) { 4405 Object obj = mSettings.getUserIdLPr(uid); 4406 if (obj instanceof SharedUserSetting) { 4407 final SharedUserSetting sus = (SharedUserSetting) obj; 4408 final int N = sus.packages.size(); 4409 final String[] res = new String[N]; 4410 final Iterator<PackageSetting> it = sus.packages.iterator(); 4411 int i = 0; 4412 while (it.hasNext()) { 4413 res[i++] = it.next().name; 4414 } 4415 return res; 4416 } else if (obj instanceof PackageSetting) { 4417 final PackageSetting ps = (PackageSetting) obj; 4418 return new String[] { ps.name }; 4419 } 4420 } 4421 return null; 4422 } 4423 4424 @Override 4425 public String getNameForUid(int uid) { 4426 // reader 4427 synchronized (mPackages) { 4428 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4429 if (obj instanceof SharedUserSetting) { 4430 final SharedUserSetting sus = (SharedUserSetting) obj; 4431 return sus.name + ":" + sus.userId; 4432 } else if (obj instanceof PackageSetting) { 4433 final PackageSetting ps = (PackageSetting) obj; 4434 return ps.name; 4435 } 4436 } 4437 return null; 4438 } 4439 4440 @Override 4441 public int getUidForSharedUser(String sharedUserName) { 4442 if(sharedUserName == null) { 4443 return -1; 4444 } 4445 // reader 4446 synchronized (mPackages) { 4447 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4448 if (suid == null) { 4449 return -1; 4450 } 4451 return suid.userId; 4452 } 4453 } 4454 4455 @Override 4456 public int getFlagsForUid(int uid) { 4457 synchronized (mPackages) { 4458 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4459 if (obj instanceof SharedUserSetting) { 4460 final SharedUserSetting sus = (SharedUserSetting) obj; 4461 return sus.pkgFlags; 4462 } else if (obj instanceof PackageSetting) { 4463 final PackageSetting ps = (PackageSetting) obj; 4464 return ps.pkgFlags; 4465 } 4466 } 4467 return 0; 4468 } 4469 4470 @Override 4471 public int getPrivateFlagsForUid(int uid) { 4472 synchronized (mPackages) { 4473 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4474 if (obj instanceof SharedUserSetting) { 4475 final SharedUserSetting sus = (SharedUserSetting) obj; 4476 return sus.pkgPrivateFlags; 4477 } else if (obj instanceof PackageSetting) { 4478 final PackageSetting ps = (PackageSetting) obj; 4479 return ps.pkgPrivateFlags; 4480 } 4481 } 4482 return 0; 4483 } 4484 4485 @Override 4486 public boolean isUidPrivileged(int uid) { 4487 uid = UserHandle.getAppId(uid); 4488 // reader 4489 synchronized (mPackages) { 4490 Object obj = mSettings.getUserIdLPr(uid); 4491 if (obj instanceof SharedUserSetting) { 4492 final SharedUserSetting sus = (SharedUserSetting) obj; 4493 final Iterator<PackageSetting> it = sus.packages.iterator(); 4494 while (it.hasNext()) { 4495 if (it.next().isPrivileged()) { 4496 return true; 4497 } 4498 } 4499 } else if (obj instanceof PackageSetting) { 4500 final PackageSetting ps = (PackageSetting) obj; 4501 return ps.isPrivileged(); 4502 } 4503 } 4504 return false; 4505 } 4506 4507 @Override 4508 public String[] getAppOpPermissionPackages(String permissionName) { 4509 synchronized (mPackages) { 4510 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4511 if (pkgs == null) { 4512 return null; 4513 } 4514 return pkgs.toArray(new String[pkgs.size()]); 4515 } 4516 } 4517 4518 @Override 4519 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4520 int flags, int userId) { 4521 if (!sUserManager.exists(userId)) return null; 4522 flags = updateFlagsForResolve(flags, userId, intent); 4523 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4524 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4525 final ResolveInfo bestChoice = 4526 chooseBestActivity(intent, resolvedType, flags, query, userId); 4527 4528 if (isEphemeralAllowed(intent, query, userId)) { 4529 final EphemeralResolveInfo ai = 4530 getEphemeralResolveInfo(intent, resolvedType, userId); 4531 if (ai != null) { 4532 if (DEBUG_EPHEMERAL) { 4533 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4534 } 4535 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4536 bestChoice.ephemeralResolveInfo = ai; 4537 } 4538 } 4539 return bestChoice; 4540 } 4541 4542 @Override 4543 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4544 IntentFilter filter, int match, ComponentName activity) { 4545 final int userId = UserHandle.getCallingUserId(); 4546 if (DEBUG_PREFERRED) { 4547 Log.v(TAG, "setLastChosenActivity intent=" + intent 4548 + " resolvedType=" + resolvedType 4549 + " flags=" + flags 4550 + " filter=" + filter 4551 + " match=" + match 4552 + " activity=" + activity); 4553 filter.dump(new PrintStreamPrinter(System.out), " "); 4554 } 4555 intent.setComponent(null); 4556 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4557 // Find any earlier preferred or last chosen entries and nuke them 4558 findPreferredActivity(intent, resolvedType, 4559 flags, query, 0, false, true, false, userId); 4560 // Add the new activity as the last chosen for this filter 4561 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4562 "Setting last chosen"); 4563 } 4564 4565 @Override 4566 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4567 final int userId = UserHandle.getCallingUserId(); 4568 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4569 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4570 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4571 false, false, false, userId); 4572 } 4573 4574 4575 private boolean isEphemeralAllowed( 4576 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4577 // Short circuit and return early if possible. 4578 if (DISABLE_EPHEMERAL_APPS) { 4579 return false; 4580 } 4581 final int callingUser = UserHandle.getCallingUserId(); 4582 if (callingUser != UserHandle.USER_SYSTEM) { 4583 return false; 4584 } 4585 if (mEphemeralResolverConnection == null) { 4586 return false; 4587 } 4588 if (intent.getComponent() != null) { 4589 return false; 4590 } 4591 if (intent.getPackage() != null) { 4592 return false; 4593 } 4594 final boolean isWebUri = hasWebURI(intent); 4595 if (!isWebUri) { 4596 return false; 4597 } 4598 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4599 synchronized (mPackages) { 4600 final int count = resolvedActivites.size(); 4601 for (int n = 0; n < count; n++) { 4602 ResolveInfo info = resolvedActivites.get(n); 4603 String packageName = info.activityInfo.packageName; 4604 PackageSetting ps = mSettings.mPackages.get(packageName); 4605 if (ps != null) { 4606 // Try to get the status from User settings first 4607 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4608 int status = (int) (packedStatus >> 32); 4609 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4610 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4611 if (DEBUG_EPHEMERAL) { 4612 Slog.v(TAG, "DENY ephemeral apps;" 4613 + " pkg: " + packageName + ", status: " + status); 4614 } 4615 return false; 4616 } 4617 } 4618 } 4619 } 4620 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4621 return true; 4622 } 4623 4624 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4625 int userId) { 4626 MessageDigest digest = null; 4627 try { 4628 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4629 } catch (NoSuchAlgorithmException e) { 4630 // If we can't create a digest, ignore ephemeral apps. 4631 return null; 4632 } 4633 4634 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4635 final byte[] digestBytes = digest.digest(hostBytes); 4636 int shaPrefix = 4637 digestBytes[0] << 24 4638 | digestBytes[1] << 16 4639 | digestBytes[2] << 8 4640 | digestBytes[3] << 0; 4641 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4642 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4643 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4644 // No hash prefix match; there are no ephemeral apps for this domain. 4645 return null; 4646 } 4647 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4648 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4649 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4650 continue; 4651 } 4652 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4653 // No filters; this should never happen. 4654 if (filters.isEmpty()) { 4655 continue; 4656 } 4657 // We have a domain match; resolve the filters to see if anything matches. 4658 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4659 for (int j = filters.size() - 1; j >= 0; --j) { 4660 final EphemeralResolveIntentInfo intentInfo = 4661 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4662 ephemeralResolver.addFilter(intentInfo); 4663 } 4664 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4665 intent, resolvedType, false /*defaultOnly*/, userId); 4666 if (!matchedResolveInfoList.isEmpty()) { 4667 return matchedResolveInfoList.get(0); 4668 } 4669 } 4670 // Hash or filter mis-match; no ephemeral apps for this domain. 4671 return null; 4672 } 4673 4674 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4675 int flags, List<ResolveInfo> query, int userId) { 4676 if (query != null) { 4677 final int N = query.size(); 4678 if (N == 1) { 4679 return query.get(0); 4680 } else if (N > 1) { 4681 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4682 // If there is more than one activity with the same priority, 4683 // then let the user decide between them. 4684 ResolveInfo r0 = query.get(0); 4685 ResolveInfo r1 = query.get(1); 4686 if (DEBUG_INTENT_MATCHING || debug) { 4687 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4688 + r1.activityInfo.name + "=" + r1.priority); 4689 } 4690 // If the first activity has a higher priority, or a different 4691 // default, then it is always desirable to pick it. 4692 if (r0.priority != r1.priority 4693 || r0.preferredOrder != r1.preferredOrder 4694 || r0.isDefault != r1.isDefault) { 4695 return query.get(0); 4696 } 4697 // If we have saved a preference for a preferred activity for 4698 // this Intent, use that. 4699 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4700 flags, query, r0.priority, true, false, debug, userId); 4701 if (ri != null) { 4702 return ri; 4703 } 4704 ri = new ResolveInfo(mResolveInfo); 4705 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4706 ri.activityInfo.applicationInfo = new ApplicationInfo( 4707 ri.activityInfo.applicationInfo); 4708 if (userId != 0) { 4709 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4710 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4711 } 4712 // Make sure that the resolver is displayable in car mode 4713 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4714 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4715 return ri; 4716 } 4717 } 4718 return null; 4719 } 4720 4721 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4722 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4723 final int N = query.size(); 4724 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4725 .get(userId); 4726 // Get the list of persistent preferred activities that handle the intent 4727 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4728 List<PersistentPreferredActivity> pprefs = ppir != null 4729 ? ppir.queryIntent(intent, resolvedType, 4730 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4731 : null; 4732 if (pprefs != null && pprefs.size() > 0) { 4733 final int M = pprefs.size(); 4734 for (int i=0; i<M; i++) { 4735 final PersistentPreferredActivity ppa = pprefs.get(i); 4736 if (DEBUG_PREFERRED || debug) { 4737 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4738 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4739 + "\n component=" + ppa.mComponent); 4740 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4741 } 4742 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4743 flags | MATCH_DISABLED_COMPONENTS, userId); 4744 if (DEBUG_PREFERRED || debug) { 4745 Slog.v(TAG, "Found persistent preferred activity:"); 4746 if (ai != null) { 4747 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4748 } else { 4749 Slog.v(TAG, " null"); 4750 } 4751 } 4752 if (ai == null) { 4753 // This previously registered persistent preferred activity 4754 // component is no longer known. Ignore it and do NOT remove it. 4755 continue; 4756 } 4757 for (int j=0; j<N; j++) { 4758 final ResolveInfo ri = query.get(j); 4759 if (!ri.activityInfo.applicationInfo.packageName 4760 .equals(ai.applicationInfo.packageName)) { 4761 continue; 4762 } 4763 if (!ri.activityInfo.name.equals(ai.name)) { 4764 continue; 4765 } 4766 // Found a persistent preference that can handle the intent. 4767 if (DEBUG_PREFERRED || debug) { 4768 Slog.v(TAG, "Returning persistent preferred activity: " + 4769 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4770 } 4771 return ri; 4772 } 4773 } 4774 } 4775 return null; 4776 } 4777 4778 // TODO: handle preferred activities missing while user has amnesia 4779 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4780 List<ResolveInfo> query, int priority, boolean always, 4781 boolean removeMatches, boolean debug, int userId) { 4782 if (!sUserManager.exists(userId)) return null; 4783 flags = updateFlagsForResolve(flags, userId, intent); 4784 // writer 4785 synchronized (mPackages) { 4786 if (intent.getSelector() != null) { 4787 intent = intent.getSelector(); 4788 } 4789 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4790 4791 // Try to find a matching persistent preferred activity. 4792 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4793 debug, userId); 4794 4795 // If a persistent preferred activity matched, use it. 4796 if (pri != null) { 4797 return pri; 4798 } 4799 4800 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4801 // Get the list of preferred activities that handle the intent 4802 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4803 List<PreferredActivity> prefs = pir != null 4804 ? pir.queryIntent(intent, resolvedType, 4805 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4806 : null; 4807 if (prefs != null && prefs.size() > 0) { 4808 boolean changed = false; 4809 try { 4810 // First figure out how good the original match set is. 4811 // We will only allow preferred activities that came 4812 // from the same match quality. 4813 int match = 0; 4814 4815 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4816 4817 final int N = query.size(); 4818 for (int j=0; j<N; j++) { 4819 final ResolveInfo ri = query.get(j); 4820 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4821 + ": 0x" + Integer.toHexString(match)); 4822 if (ri.match > match) { 4823 match = ri.match; 4824 } 4825 } 4826 4827 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4828 + Integer.toHexString(match)); 4829 4830 match &= IntentFilter.MATCH_CATEGORY_MASK; 4831 final int M = prefs.size(); 4832 for (int i=0; i<M; i++) { 4833 final PreferredActivity pa = prefs.get(i); 4834 if (DEBUG_PREFERRED || debug) { 4835 Slog.v(TAG, "Checking PreferredActivity ds=" 4836 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4837 + "\n component=" + pa.mPref.mComponent); 4838 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4839 } 4840 if (pa.mPref.mMatch != match) { 4841 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4842 + Integer.toHexString(pa.mPref.mMatch)); 4843 continue; 4844 } 4845 // If it's not an "always" type preferred activity and that's what we're 4846 // looking for, skip it. 4847 if (always && !pa.mPref.mAlways) { 4848 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4849 continue; 4850 } 4851 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4852 flags | MATCH_DISABLED_COMPONENTS, userId); 4853 if (DEBUG_PREFERRED || debug) { 4854 Slog.v(TAG, "Found preferred activity:"); 4855 if (ai != null) { 4856 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4857 } else { 4858 Slog.v(TAG, " null"); 4859 } 4860 } 4861 if (ai == null) { 4862 // This previously registered preferred activity 4863 // component is no longer known. Most likely an update 4864 // to the app was installed and in the new version this 4865 // component no longer exists. Clean it up by removing 4866 // it from the preferred activities list, and skip it. 4867 Slog.w(TAG, "Removing dangling preferred activity: " 4868 + pa.mPref.mComponent); 4869 pir.removeFilter(pa); 4870 changed = true; 4871 continue; 4872 } 4873 for (int j=0; j<N; j++) { 4874 final ResolveInfo ri = query.get(j); 4875 if (!ri.activityInfo.applicationInfo.packageName 4876 .equals(ai.applicationInfo.packageName)) { 4877 continue; 4878 } 4879 if (!ri.activityInfo.name.equals(ai.name)) { 4880 continue; 4881 } 4882 4883 if (removeMatches) { 4884 pir.removeFilter(pa); 4885 changed = true; 4886 if (DEBUG_PREFERRED) { 4887 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4888 } 4889 break; 4890 } 4891 4892 // Okay we found a previously set preferred or last chosen app. 4893 // If the result set is different from when this 4894 // was created, we need to clear it and re-ask the 4895 // user their preference, if we're looking for an "always" type entry. 4896 if (always && !pa.mPref.sameSet(query)) { 4897 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4898 + intent + " type " + resolvedType); 4899 if (DEBUG_PREFERRED) { 4900 Slog.v(TAG, "Removing preferred activity since set changed " 4901 + pa.mPref.mComponent); 4902 } 4903 pir.removeFilter(pa); 4904 // Re-add the filter as a "last chosen" entry (!always) 4905 PreferredActivity lastChosen = new PreferredActivity( 4906 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4907 pir.addFilter(lastChosen); 4908 changed = true; 4909 return null; 4910 } 4911 4912 // Yay! Either the set matched or we're looking for the last chosen 4913 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4914 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4915 return ri; 4916 } 4917 } 4918 } finally { 4919 if (changed) { 4920 if (DEBUG_PREFERRED) { 4921 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4922 } 4923 scheduleWritePackageRestrictionsLocked(userId); 4924 } 4925 } 4926 } 4927 } 4928 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4929 return null; 4930 } 4931 4932 /* 4933 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4934 */ 4935 @Override 4936 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4937 int targetUserId) { 4938 mContext.enforceCallingOrSelfPermission( 4939 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4940 List<CrossProfileIntentFilter> matches = 4941 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4942 if (matches != null) { 4943 int size = matches.size(); 4944 for (int i = 0; i < size; i++) { 4945 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4946 } 4947 } 4948 if (hasWebURI(intent)) { 4949 // cross-profile app linking works only towards the parent. 4950 final UserInfo parent = getProfileParent(sourceUserId); 4951 synchronized(mPackages) { 4952 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4953 intent, resolvedType, 0, sourceUserId, parent.id); 4954 return xpDomainInfo != null; 4955 } 4956 } 4957 return false; 4958 } 4959 4960 private UserInfo getProfileParent(int userId) { 4961 final long identity = Binder.clearCallingIdentity(); 4962 try { 4963 return sUserManager.getProfileParent(userId); 4964 } finally { 4965 Binder.restoreCallingIdentity(identity); 4966 } 4967 } 4968 4969 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4970 String resolvedType, int userId) { 4971 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4972 if (resolver != null) { 4973 return resolver.queryIntent(intent, resolvedType, false, userId); 4974 } 4975 return null; 4976 } 4977 4978 @Override 4979 public List<ResolveInfo> queryIntentActivities(Intent intent, 4980 String resolvedType, int flags, int userId) { 4981 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4982 flags = updateFlagsForResolve(flags, userId, intent); 4983 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4984 ComponentName comp = intent.getComponent(); 4985 if (comp == null) { 4986 if (intent.getSelector() != null) { 4987 intent = intent.getSelector(); 4988 comp = intent.getComponent(); 4989 } 4990 } 4991 4992 if (comp != null) { 4993 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4994 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4995 if (ai != null) { 4996 final ResolveInfo ri = new ResolveInfo(); 4997 ri.activityInfo = ai; 4998 list.add(ri); 4999 } 5000 return list; 5001 } 5002 5003 // reader 5004 synchronized (mPackages) { 5005 final String pkgName = intent.getPackage(); 5006 if (pkgName == null) { 5007 List<CrossProfileIntentFilter> matchingFilters = 5008 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5009 // Check for results that need to skip the current profile. 5010 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5011 resolvedType, flags, userId); 5012 if (xpResolveInfo != null) { 5013 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5014 result.add(xpResolveInfo); 5015 return filterIfNotSystemUser(result, userId); 5016 } 5017 5018 // Check for results in the current profile. 5019 List<ResolveInfo> result = mActivities.queryIntent( 5020 intent, resolvedType, flags, userId); 5021 result = filterIfNotSystemUser(result, userId); 5022 5023 // Check for cross profile results. 5024 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5025 xpResolveInfo = queryCrossProfileIntents( 5026 matchingFilters, intent, resolvedType, flags, userId, 5027 hasNonNegativePriorityResult); 5028 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5029 boolean isVisibleToUser = filterIfNotSystemUser( 5030 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5031 if (isVisibleToUser) { 5032 result.add(xpResolveInfo); 5033 Collections.sort(result, mResolvePrioritySorter); 5034 } 5035 } 5036 if (hasWebURI(intent)) { 5037 CrossProfileDomainInfo xpDomainInfo = null; 5038 final UserInfo parent = getProfileParent(userId); 5039 if (parent != null) { 5040 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5041 flags, userId, parent.id); 5042 } 5043 if (xpDomainInfo != null) { 5044 if (xpResolveInfo != null) { 5045 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5046 // in the result. 5047 result.remove(xpResolveInfo); 5048 } 5049 if (result.size() == 0) { 5050 result.add(xpDomainInfo.resolveInfo); 5051 return result; 5052 } 5053 } else if (result.size() <= 1) { 5054 return result; 5055 } 5056 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5057 xpDomainInfo, userId); 5058 Collections.sort(result, mResolvePrioritySorter); 5059 } 5060 return result; 5061 } 5062 final PackageParser.Package pkg = mPackages.get(pkgName); 5063 if (pkg != null) { 5064 return filterIfNotSystemUser( 5065 mActivities.queryIntentForPackage( 5066 intent, resolvedType, flags, pkg.activities, userId), 5067 userId); 5068 } 5069 return new ArrayList<ResolveInfo>(); 5070 } 5071 } 5072 5073 private static class CrossProfileDomainInfo { 5074 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5075 ResolveInfo resolveInfo; 5076 /* Best domain verification status of the activities found in the other profile */ 5077 int bestDomainVerificationStatus; 5078 } 5079 5080 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5081 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5082 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5083 sourceUserId)) { 5084 return null; 5085 } 5086 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5087 resolvedType, flags, parentUserId); 5088 5089 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5090 return null; 5091 } 5092 CrossProfileDomainInfo result = null; 5093 int size = resultTargetUser.size(); 5094 for (int i = 0; i < size; i++) { 5095 ResolveInfo riTargetUser = resultTargetUser.get(i); 5096 // Intent filter verification is only for filters that specify a host. So don't return 5097 // those that handle all web uris. 5098 if (riTargetUser.handleAllWebDataURI) { 5099 continue; 5100 } 5101 String packageName = riTargetUser.activityInfo.packageName; 5102 PackageSetting ps = mSettings.mPackages.get(packageName); 5103 if (ps == null) { 5104 continue; 5105 } 5106 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5107 int status = (int)(verificationState >> 32); 5108 if (result == null) { 5109 result = new CrossProfileDomainInfo(); 5110 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5111 sourceUserId, parentUserId); 5112 result.bestDomainVerificationStatus = status; 5113 } else { 5114 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5115 result.bestDomainVerificationStatus); 5116 } 5117 } 5118 // Don't consider matches with status NEVER across profiles. 5119 if (result != null && result.bestDomainVerificationStatus 5120 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5121 return null; 5122 } 5123 return result; 5124 } 5125 5126 /** 5127 * Verification statuses are ordered from the worse to the best, except for 5128 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5129 */ 5130 private int bestDomainVerificationStatus(int status1, int status2) { 5131 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5132 return status2; 5133 } 5134 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5135 return status1; 5136 } 5137 return (int) MathUtils.max(status1, status2); 5138 } 5139 5140 private boolean isUserEnabled(int userId) { 5141 long callingId = Binder.clearCallingIdentity(); 5142 try { 5143 UserInfo userInfo = sUserManager.getUserInfo(userId); 5144 return userInfo != null && userInfo.isEnabled(); 5145 } finally { 5146 Binder.restoreCallingIdentity(callingId); 5147 } 5148 } 5149 5150 /** 5151 * Filter out activities with systemUserOnly flag set, when current user is not System. 5152 * 5153 * @return filtered list 5154 */ 5155 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5156 if (userId == UserHandle.USER_SYSTEM) { 5157 return resolveInfos; 5158 } 5159 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5160 ResolveInfo info = resolveInfos.get(i); 5161 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5162 resolveInfos.remove(i); 5163 } 5164 } 5165 return resolveInfos; 5166 } 5167 5168 /** 5169 * @param resolveInfos list of resolve infos in descending priority order 5170 * @return if the list contains a resolve info with non-negative priority 5171 */ 5172 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5173 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5174 } 5175 5176 private static boolean hasWebURI(Intent intent) { 5177 if (intent.getData() == null) { 5178 return false; 5179 } 5180 final String scheme = intent.getScheme(); 5181 if (TextUtils.isEmpty(scheme)) { 5182 return false; 5183 } 5184 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5185 } 5186 5187 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5188 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5189 int userId) { 5190 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5191 5192 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5193 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5194 candidates.size()); 5195 } 5196 5197 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5198 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5199 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5200 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5201 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5202 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5203 5204 synchronized (mPackages) { 5205 final int count = candidates.size(); 5206 // First, try to use linked apps. Partition the candidates into four lists: 5207 // one for the final results, one for the "do not use ever", one for "undefined status" 5208 // and finally one for "browser app type". 5209 for (int n=0; n<count; n++) { 5210 ResolveInfo info = candidates.get(n); 5211 String packageName = info.activityInfo.packageName; 5212 PackageSetting ps = mSettings.mPackages.get(packageName); 5213 if (ps != null) { 5214 // Add to the special match all list (Browser use case) 5215 if (info.handleAllWebDataURI) { 5216 matchAllList.add(info); 5217 continue; 5218 } 5219 // Try to get the status from User settings first 5220 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5221 int status = (int)(packedStatus >> 32); 5222 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5223 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5224 if (DEBUG_DOMAIN_VERIFICATION) { 5225 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5226 + " : linkgen=" + linkGeneration); 5227 } 5228 // Use link-enabled generation as preferredOrder, i.e. 5229 // prefer newly-enabled over earlier-enabled. 5230 info.preferredOrder = linkGeneration; 5231 alwaysList.add(info); 5232 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5233 if (DEBUG_DOMAIN_VERIFICATION) { 5234 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5235 } 5236 neverList.add(info); 5237 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5238 if (DEBUG_DOMAIN_VERIFICATION) { 5239 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5240 } 5241 alwaysAskList.add(info); 5242 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5243 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5244 if (DEBUG_DOMAIN_VERIFICATION) { 5245 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5246 } 5247 undefinedList.add(info); 5248 } 5249 } 5250 } 5251 5252 // We'll want to include browser possibilities in a few cases 5253 boolean includeBrowser = false; 5254 5255 // First try to add the "always" resolution(s) for the current user, if any 5256 if (alwaysList.size() > 0) { 5257 result.addAll(alwaysList); 5258 } else { 5259 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5260 result.addAll(undefinedList); 5261 // Maybe add one for the other profile. 5262 if (xpDomainInfo != null && ( 5263 xpDomainInfo.bestDomainVerificationStatus 5264 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5265 result.add(xpDomainInfo.resolveInfo); 5266 } 5267 includeBrowser = true; 5268 } 5269 5270 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5271 // If there were 'always' entries their preferred order has been set, so we also 5272 // back that off to make the alternatives equivalent 5273 if (alwaysAskList.size() > 0) { 5274 for (ResolveInfo i : result) { 5275 i.preferredOrder = 0; 5276 } 5277 result.addAll(alwaysAskList); 5278 includeBrowser = true; 5279 } 5280 5281 if (includeBrowser) { 5282 // Also add browsers (all of them or only the default one) 5283 if (DEBUG_DOMAIN_VERIFICATION) { 5284 Slog.v(TAG, " ...including browsers in candidate set"); 5285 } 5286 if ((matchFlags & MATCH_ALL) != 0) { 5287 result.addAll(matchAllList); 5288 } else { 5289 // Browser/generic handling case. If there's a default browser, go straight 5290 // to that (but only if there is no other higher-priority match). 5291 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5292 int maxMatchPrio = 0; 5293 ResolveInfo defaultBrowserMatch = null; 5294 final int numCandidates = matchAllList.size(); 5295 for (int n = 0; n < numCandidates; n++) { 5296 ResolveInfo info = matchAllList.get(n); 5297 // track the highest overall match priority... 5298 if (info.priority > maxMatchPrio) { 5299 maxMatchPrio = info.priority; 5300 } 5301 // ...and the highest-priority default browser match 5302 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5303 if (defaultBrowserMatch == null 5304 || (defaultBrowserMatch.priority < info.priority)) { 5305 if (debug) { 5306 Slog.v(TAG, "Considering default browser match " + info); 5307 } 5308 defaultBrowserMatch = info; 5309 } 5310 } 5311 } 5312 if (defaultBrowserMatch != null 5313 && defaultBrowserMatch.priority >= maxMatchPrio 5314 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5315 { 5316 if (debug) { 5317 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5318 } 5319 result.add(defaultBrowserMatch); 5320 } else { 5321 result.addAll(matchAllList); 5322 } 5323 } 5324 5325 // If there is nothing selected, add all candidates and remove the ones that the user 5326 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5327 if (result.size() == 0) { 5328 result.addAll(candidates); 5329 result.removeAll(neverList); 5330 } 5331 } 5332 } 5333 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5334 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5335 result.size()); 5336 for (ResolveInfo info : result) { 5337 Slog.v(TAG, " + " + info.activityInfo); 5338 } 5339 } 5340 return result; 5341 } 5342 5343 // Returns a packed value as a long: 5344 // 5345 // high 'int'-sized word: link status: undefined/ask/never/always. 5346 // low 'int'-sized word: relative priority among 'always' results. 5347 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5348 long result = ps.getDomainVerificationStatusForUser(userId); 5349 // if none available, get the master status 5350 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5351 if (ps.getIntentFilterVerificationInfo() != null) { 5352 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5353 } 5354 } 5355 return result; 5356 } 5357 5358 private ResolveInfo querySkipCurrentProfileIntents( 5359 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5360 int flags, int sourceUserId) { 5361 if (matchingFilters != null) { 5362 int size = matchingFilters.size(); 5363 for (int i = 0; i < size; i ++) { 5364 CrossProfileIntentFilter filter = matchingFilters.get(i); 5365 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5366 // Checking if there are activities in the target user that can handle the 5367 // intent. 5368 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5369 resolvedType, flags, sourceUserId); 5370 if (resolveInfo != null) { 5371 return resolveInfo; 5372 } 5373 } 5374 } 5375 } 5376 return null; 5377 } 5378 5379 // Return matching ResolveInfo in target user if any. 5380 private ResolveInfo queryCrossProfileIntents( 5381 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5382 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5383 if (matchingFilters != null) { 5384 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5385 // match the same intent. For performance reasons, it is better not to 5386 // run queryIntent twice for the same userId 5387 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5388 int size = matchingFilters.size(); 5389 for (int i = 0; i < size; i++) { 5390 CrossProfileIntentFilter filter = matchingFilters.get(i); 5391 int targetUserId = filter.getTargetUserId(); 5392 boolean skipCurrentProfile = 5393 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5394 boolean skipCurrentProfileIfNoMatchFound = 5395 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5396 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5397 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5398 // Checking if there are activities in the target user that can handle the 5399 // intent. 5400 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5401 resolvedType, flags, sourceUserId); 5402 if (resolveInfo != null) return resolveInfo; 5403 alreadyTriedUserIds.put(targetUserId, true); 5404 } 5405 } 5406 } 5407 return null; 5408 } 5409 5410 /** 5411 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5412 * will forward the intent to the filter's target user. 5413 * Otherwise, returns null. 5414 */ 5415 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5416 String resolvedType, int flags, int sourceUserId) { 5417 int targetUserId = filter.getTargetUserId(); 5418 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5419 resolvedType, flags, targetUserId); 5420 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5421 // If all the matches in the target profile are suspended, return null. 5422 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5423 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5424 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5425 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5426 targetUserId); 5427 } 5428 } 5429 } 5430 return null; 5431 } 5432 5433 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5434 int sourceUserId, int targetUserId) { 5435 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5436 long ident = Binder.clearCallingIdentity(); 5437 boolean targetIsProfile; 5438 try { 5439 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5440 } finally { 5441 Binder.restoreCallingIdentity(ident); 5442 } 5443 String className; 5444 if (targetIsProfile) { 5445 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5446 } else { 5447 className = FORWARD_INTENT_TO_PARENT; 5448 } 5449 ComponentName forwardingActivityComponentName = new ComponentName( 5450 mAndroidApplication.packageName, className); 5451 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5452 sourceUserId); 5453 if (!targetIsProfile) { 5454 forwardingActivityInfo.showUserIcon = targetUserId; 5455 forwardingResolveInfo.noResourceId = true; 5456 } 5457 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5458 forwardingResolveInfo.priority = 0; 5459 forwardingResolveInfo.preferredOrder = 0; 5460 forwardingResolveInfo.match = 0; 5461 forwardingResolveInfo.isDefault = true; 5462 forwardingResolveInfo.filter = filter; 5463 forwardingResolveInfo.targetUserId = targetUserId; 5464 return forwardingResolveInfo; 5465 } 5466 5467 @Override 5468 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5469 Intent[] specifics, String[] specificTypes, Intent intent, 5470 String resolvedType, int flags, int userId) { 5471 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5472 flags = updateFlagsForResolve(flags, userId, intent); 5473 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5474 false, "query intent activity options"); 5475 final String resultsAction = intent.getAction(); 5476 5477 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5478 | PackageManager.GET_RESOLVED_FILTER, userId); 5479 5480 if (DEBUG_INTENT_MATCHING) { 5481 Log.v(TAG, "Query " + intent + ": " + results); 5482 } 5483 5484 int specificsPos = 0; 5485 int N; 5486 5487 // todo: note that the algorithm used here is O(N^2). This 5488 // isn't a problem in our current environment, but if we start running 5489 // into situations where we have more than 5 or 10 matches then this 5490 // should probably be changed to something smarter... 5491 5492 // First we go through and resolve each of the specific items 5493 // that were supplied, taking care of removing any corresponding 5494 // duplicate items in the generic resolve list. 5495 if (specifics != null) { 5496 for (int i=0; i<specifics.length; i++) { 5497 final Intent sintent = specifics[i]; 5498 if (sintent == null) { 5499 continue; 5500 } 5501 5502 if (DEBUG_INTENT_MATCHING) { 5503 Log.v(TAG, "Specific #" + i + ": " + sintent); 5504 } 5505 5506 String action = sintent.getAction(); 5507 if (resultsAction != null && resultsAction.equals(action)) { 5508 // If this action was explicitly requested, then don't 5509 // remove things that have it. 5510 action = null; 5511 } 5512 5513 ResolveInfo ri = null; 5514 ActivityInfo ai = null; 5515 5516 ComponentName comp = sintent.getComponent(); 5517 if (comp == null) { 5518 ri = resolveIntent( 5519 sintent, 5520 specificTypes != null ? specificTypes[i] : null, 5521 flags, userId); 5522 if (ri == null) { 5523 continue; 5524 } 5525 if (ri == mResolveInfo) { 5526 // ACK! Must do something better with this. 5527 } 5528 ai = ri.activityInfo; 5529 comp = new ComponentName(ai.applicationInfo.packageName, 5530 ai.name); 5531 } else { 5532 ai = getActivityInfo(comp, flags, userId); 5533 if (ai == null) { 5534 continue; 5535 } 5536 } 5537 5538 // Look for any generic query activities that are duplicates 5539 // of this specific one, and remove them from the results. 5540 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5541 N = results.size(); 5542 int j; 5543 for (j=specificsPos; j<N; j++) { 5544 ResolveInfo sri = results.get(j); 5545 if ((sri.activityInfo.name.equals(comp.getClassName()) 5546 && sri.activityInfo.applicationInfo.packageName.equals( 5547 comp.getPackageName())) 5548 || (action != null && sri.filter.matchAction(action))) { 5549 results.remove(j); 5550 if (DEBUG_INTENT_MATCHING) Log.v( 5551 TAG, "Removing duplicate item from " + j 5552 + " due to specific " + specificsPos); 5553 if (ri == null) { 5554 ri = sri; 5555 } 5556 j--; 5557 N--; 5558 } 5559 } 5560 5561 // Add this specific item to its proper place. 5562 if (ri == null) { 5563 ri = new ResolveInfo(); 5564 ri.activityInfo = ai; 5565 } 5566 results.add(specificsPos, ri); 5567 ri.specificIndex = i; 5568 specificsPos++; 5569 } 5570 } 5571 5572 // Now we go through the remaining generic results and remove any 5573 // duplicate actions that are found here. 5574 N = results.size(); 5575 for (int i=specificsPos; i<N-1; i++) { 5576 final ResolveInfo rii = results.get(i); 5577 if (rii.filter == null) { 5578 continue; 5579 } 5580 5581 // Iterate over all of the actions of this result's intent 5582 // filter... typically this should be just one. 5583 final Iterator<String> it = rii.filter.actionsIterator(); 5584 if (it == null) { 5585 continue; 5586 } 5587 while (it.hasNext()) { 5588 final String action = it.next(); 5589 if (resultsAction != null && resultsAction.equals(action)) { 5590 // If this action was explicitly requested, then don't 5591 // remove things that have it. 5592 continue; 5593 } 5594 for (int j=i+1; j<N; j++) { 5595 final ResolveInfo rij = results.get(j); 5596 if (rij.filter != null && rij.filter.hasAction(action)) { 5597 results.remove(j); 5598 if (DEBUG_INTENT_MATCHING) Log.v( 5599 TAG, "Removing duplicate item from " + j 5600 + " due to action " + action + " at " + i); 5601 j--; 5602 N--; 5603 } 5604 } 5605 } 5606 5607 // If the caller didn't request filter information, drop it now 5608 // so we don't have to marshall/unmarshall it. 5609 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5610 rii.filter = null; 5611 } 5612 } 5613 5614 // Filter out the caller activity if so requested. 5615 if (caller != null) { 5616 N = results.size(); 5617 for (int i=0; i<N; i++) { 5618 ActivityInfo ainfo = results.get(i).activityInfo; 5619 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5620 && caller.getClassName().equals(ainfo.name)) { 5621 results.remove(i); 5622 break; 5623 } 5624 } 5625 } 5626 5627 // If the caller didn't request filter information, 5628 // drop them now so we don't have to 5629 // marshall/unmarshall it. 5630 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5631 N = results.size(); 5632 for (int i=0; i<N; i++) { 5633 results.get(i).filter = null; 5634 } 5635 } 5636 5637 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5638 return results; 5639 } 5640 5641 @Override 5642 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5643 int userId) { 5644 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5645 flags = updateFlagsForResolve(flags, userId, intent); 5646 ComponentName comp = intent.getComponent(); 5647 if (comp == null) { 5648 if (intent.getSelector() != null) { 5649 intent = intent.getSelector(); 5650 comp = intent.getComponent(); 5651 } 5652 } 5653 if (comp != null) { 5654 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5655 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5656 if (ai != null) { 5657 ResolveInfo ri = new ResolveInfo(); 5658 ri.activityInfo = ai; 5659 list.add(ri); 5660 } 5661 return list; 5662 } 5663 5664 // reader 5665 synchronized (mPackages) { 5666 String pkgName = intent.getPackage(); 5667 if (pkgName == null) { 5668 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5669 } 5670 final PackageParser.Package pkg = mPackages.get(pkgName); 5671 if (pkg != null) { 5672 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5673 userId); 5674 } 5675 return null; 5676 } 5677 } 5678 5679 @Override 5680 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5681 if (!sUserManager.exists(userId)) return null; 5682 flags = updateFlagsForResolve(flags, userId, intent); 5683 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5684 if (query != null) { 5685 if (query.size() >= 1) { 5686 // If there is more than one service with the same priority, 5687 // just arbitrarily pick the first one. 5688 return query.get(0); 5689 } 5690 } 5691 return null; 5692 } 5693 5694 @Override 5695 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5696 int userId) { 5697 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5698 flags = updateFlagsForResolve(flags, userId, intent); 5699 ComponentName comp = intent.getComponent(); 5700 if (comp == null) { 5701 if (intent.getSelector() != null) { 5702 intent = intent.getSelector(); 5703 comp = intent.getComponent(); 5704 } 5705 } 5706 if (comp != null) { 5707 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5708 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5709 if (si != null) { 5710 final ResolveInfo ri = new ResolveInfo(); 5711 ri.serviceInfo = si; 5712 list.add(ri); 5713 } 5714 return list; 5715 } 5716 5717 // reader 5718 synchronized (mPackages) { 5719 String pkgName = intent.getPackage(); 5720 if (pkgName == null) { 5721 return mServices.queryIntent(intent, resolvedType, flags, userId); 5722 } 5723 final PackageParser.Package pkg = mPackages.get(pkgName); 5724 if (pkg != null) { 5725 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5726 userId); 5727 } 5728 return null; 5729 } 5730 } 5731 5732 @Override 5733 public List<ResolveInfo> queryIntentContentProviders( 5734 Intent intent, String resolvedType, int flags, int userId) { 5735 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5736 flags = updateFlagsForResolve(flags, userId, intent); 5737 ComponentName comp = intent.getComponent(); 5738 if (comp == null) { 5739 if (intent.getSelector() != null) { 5740 intent = intent.getSelector(); 5741 comp = intent.getComponent(); 5742 } 5743 } 5744 if (comp != null) { 5745 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5746 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5747 if (pi != null) { 5748 final ResolveInfo ri = new ResolveInfo(); 5749 ri.providerInfo = pi; 5750 list.add(ri); 5751 } 5752 return list; 5753 } 5754 5755 // reader 5756 synchronized (mPackages) { 5757 String pkgName = intent.getPackage(); 5758 if (pkgName == null) { 5759 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5760 } 5761 final PackageParser.Package pkg = mPackages.get(pkgName); 5762 if (pkg != null) { 5763 return mProviders.queryIntentForPackage( 5764 intent, resolvedType, flags, pkg.providers, userId); 5765 } 5766 return null; 5767 } 5768 } 5769 5770 @Override 5771 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5772 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5773 flags = updateFlagsForPackage(flags, userId, null); 5774 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5775 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5776 5777 // writer 5778 synchronized (mPackages) { 5779 ArrayList<PackageInfo> list; 5780 if (listUninstalled) { 5781 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5782 for (PackageSetting ps : mSettings.mPackages.values()) { 5783 PackageInfo pi; 5784 if (ps.pkg != null) { 5785 pi = generatePackageInfo(ps.pkg, flags, userId); 5786 } else { 5787 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5788 } 5789 if (pi != null) { 5790 list.add(pi); 5791 } 5792 } 5793 } else { 5794 list = new ArrayList<PackageInfo>(mPackages.size()); 5795 for (PackageParser.Package p : mPackages.values()) { 5796 PackageInfo pi = generatePackageInfo(p, flags, userId); 5797 if (pi != null) { 5798 list.add(pi); 5799 } 5800 } 5801 } 5802 5803 return new ParceledListSlice<PackageInfo>(list); 5804 } 5805 } 5806 5807 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5808 String[] permissions, boolean[] tmp, int flags, int userId) { 5809 int numMatch = 0; 5810 final PermissionsState permissionsState = ps.getPermissionsState(); 5811 for (int i=0; i<permissions.length; i++) { 5812 final String permission = permissions[i]; 5813 if (permissionsState.hasPermission(permission, userId)) { 5814 tmp[i] = true; 5815 numMatch++; 5816 } else { 5817 tmp[i] = false; 5818 } 5819 } 5820 if (numMatch == 0) { 5821 return; 5822 } 5823 PackageInfo pi; 5824 if (ps.pkg != null) { 5825 pi = generatePackageInfo(ps.pkg, flags, userId); 5826 } else { 5827 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5828 } 5829 // The above might return null in cases of uninstalled apps or install-state 5830 // skew across users/profiles. 5831 if (pi != null) { 5832 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5833 if (numMatch == permissions.length) { 5834 pi.requestedPermissions = permissions; 5835 } else { 5836 pi.requestedPermissions = new String[numMatch]; 5837 numMatch = 0; 5838 for (int i=0; i<permissions.length; i++) { 5839 if (tmp[i]) { 5840 pi.requestedPermissions[numMatch] = permissions[i]; 5841 numMatch++; 5842 } 5843 } 5844 } 5845 } 5846 list.add(pi); 5847 } 5848 } 5849 5850 @Override 5851 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5852 String[] permissions, int flags, int userId) { 5853 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5854 flags = updateFlagsForPackage(flags, userId, permissions); 5855 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5856 5857 // writer 5858 synchronized (mPackages) { 5859 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5860 boolean[] tmpBools = new boolean[permissions.length]; 5861 if (listUninstalled) { 5862 for (PackageSetting ps : mSettings.mPackages.values()) { 5863 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5864 } 5865 } else { 5866 for (PackageParser.Package pkg : mPackages.values()) { 5867 PackageSetting ps = (PackageSetting)pkg.mExtras; 5868 if (ps != null) { 5869 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5870 userId); 5871 } 5872 } 5873 } 5874 5875 return new ParceledListSlice<PackageInfo>(list); 5876 } 5877 } 5878 5879 @Override 5880 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5881 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5882 flags = updateFlagsForApplication(flags, userId, null); 5883 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5884 5885 // writer 5886 synchronized (mPackages) { 5887 ArrayList<ApplicationInfo> list; 5888 if (listUninstalled) { 5889 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5890 for (PackageSetting ps : mSettings.mPackages.values()) { 5891 ApplicationInfo ai; 5892 if (ps.pkg != null) { 5893 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5894 ps.readUserState(userId), userId); 5895 } else { 5896 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5897 } 5898 if (ai != null) { 5899 list.add(ai); 5900 } 5901 } 5902 } else { 5903 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5904 for (PackageParser.Package p : mPackages.values()) { 5905 if (p.mExtras != null) { 5906 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5907 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5908 if (ai != null) { 5909 list.add(ai); 5910 } 5911 } 5912 } 5913 } 5914 5915 return new ParceledListSlice<ApplicationInfo>(list); 5916 } 5917 } 5918 5919 @Override 5920 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5921 if (DISABLE_EPHEMERAL_APPS) { 5922 return null; 5923 } 5924 5925 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5926 "getEphemeralApplications"); 5927 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5928 "getEphemeralApplications"); 5929 synchronized (mPackages) { 5930 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5931 .getEphemeralApplicationsLPw(userId); 5932 if (ephemeralApps != null) { 5933 return new ParceledListSlice<>(ephemeralApps); 5934 } 5935 } 5936 return null; 5937 } 5938 5939 @Override 5940 public boolean isEphemeralApplication(String packageName, int userId) { 5941 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5942 "isEphemeral"); 5943 if (DISABLE_EPHEMERAL_APPS) { 5944 return false; 5945 } 5946 5947 if (!isCallerSameApp(packageName)) { 5948 return false; 5949 } 5950 synchronized (mPackages) { 5951 PackageParser.Package pkg = mPackages.get(packageName); 5952 if (pkg != null) { 5953 return pkg.applicationInfo.isEphemeralApp(); 5954 } 5955 } 5956 return false; 5957 } 5958 5959 @Override 5960 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5961 if (DISABLE_EPHEMERAL_APPS) { 5962 return null; 5963 } 5964 5965 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5966 "getCookie"); 5967 if (!isCallerSameApp(packageName)) { 5968 return null; 5969 } 5970 synchronized (mPackages) { 5971 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5972 packageName, userId); 5973 } 5974 } 5975 5976 @Override 5977 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5978 if (DISABLE_EPHEMERAL_APPS) { 5979 return true; 5980 } 5981 5982 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5983 "setCookie"); 5984 if (!isCallerSameApp(packageName)) { 5985 return false; 5986 } 5987 synchronized (mPackages) { 5988 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5989 packageName, cookie, userId); 5990 } 5991 } 5992 5993 @Override 5994 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5995 if (DISABLE_EPHEMERAL_APPS) { 5996 return null; 5997 } 5998 5999 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6000 "getEphemeralApplicationIcon"); 6001 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 6002 "getEphemeralApplicationIcon"); 6003 synchronized (mPackages) { 6004 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6005 packageName, userId); 6006 } 6007 } 6008 6009 private boolean isCallerSameApp(String packageName) { 6010 PackageParser.Package pkg = mPackages.get(packageName); 6011 return pkg != null 6012 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6013 } 6014 6015 public List<ApplicationInfo> getPersistentApplications(int flags) { 6016 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6017 6018 // reader 6019 synchronized (mPackages) { 6020 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6021 final int userId = UserHandle.getCallingUserId(); 6022 while (i.hasNext()) { 6023 final PackageParser.Package p = i.next(); 6024 if (p.applicationInfo != null 6025 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 6026 && (!mSafeMode || isSystemApp(p))) { 6027 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6028 if (ps != null) { 6029 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6030 ps.readUserState(userId), userId); 6031 if (ai != null) { 6032 finalList.add(ai); 6033 } 6034 } 6035 } 6036 } 6037 } 6038 6039 return finalList; 6040 } 6041 6042 @Override 6043 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6044 if (!sUserManager.exists(userId)) return null; 6045 flags = updateFlagsForComponent(flags, userId, name); 6046 // reader 6047 synchronized (mPackages) { 6048 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6049 PackageSetting ps = provider != null 6050 ? mSettings.mPackages.get(provider.owner.packageName) 6051 : null; 6052 return ps != null 6053 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6054 ? PackageParser.generateProviderInfo(provider, flags, 6055 ps.readUserState(userId), userId) 6056 : null; 6057 } 6058 } 6059 6060 /** 6061 * @deprecated 6062 */ 6063 @Deprecated 6064 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6065 // reader 6066 synchronized (mPackages) { 6067 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6068 .entrySet().iterator(); 6069 final int userId = UserHandle.getCallingUserId(); 6070 while (i.hasNext()) { 6071 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6072 PackageParser.Provider p = entry.getValue(); 6073 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6074 6075 if (ps != null && p.syncable 6076 && (!mSafeMode || (p.info.applicationInfo.flags 6077 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6078 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6079 ps.readUserState(userId), userId); 6080 if (info != null) { 6081 outNames.add(entry.getKey()); 6082 outInfo.add(info); 6083 } 6084 } 6085 } 6086 } 6087 } 6088 6089 @Override 6090 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6091 int uid, int flags) { 6092 final int userId = processName != null ? UserHandle.getUserId(uid) 6093 : UserHandle.getCallingUserId(); 6094 if (!sUserManager.exists(userId)) return null; 6095 flags = updateFlagsForComponent(flags, userId, processName); 6096 6097 ArrayList<ProviderInfo> finalList = null; 6098 // reader 6099 synchronized (mPackages) { 6100 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6101 while (i.hasNext()) { 6102 final PackageParser.Provider p = i.next(); 6103 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6104 if (ps != null && p.info.authority != null 6105 && (processName == null 6106 || (p.info.processName.equals(processName) 6107 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6108 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6109 if (finalList == null) { 6110 finalList = new ArrayList<ProviderInfo>(3); 6111 } 6112 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6113 ps.readUserState(userId), userId); 6114 if (info != null) { 6115 finalList.add(info); 6116 } 6117 } 6118 } 6119 } 6120 6121 if (finalList != null) { 6122 Collections.sort(finalList, mProviderInitOrderSorter); 6123 return new ParceledListSlice<ProviderInfo>(finalList); 6124 } 6125 6126 return null; 6127 } 6128 6129 @Override 6130 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6131 // reader 6132 synchronized (mPackages) { 6133 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6134 return PackageParser.generateInstrumentationInfo(i, flags); 6135 } 6136 } 6137 6138 @Override 6139 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6140 int flags) { 6141 ArrayList<InstrumentationInfo> finalList = 6142 new ArrayList<InstrumentationInfo>(); 6143 6144 // reader 6145 synchronized (mPackages) { 6146 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6147 while (i.hasNext()) { 6148 final PackageParser.Instrumentation p = i.next(); 6149 if (targetPackage == null 6150 || targetPackage.equals(p.info.targetPackage)) { 6151 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6152 flags); 6153 if (ii != null) { 6154 finalList.add(ii); 6155 } 6156 } 6157 } 6158 } 6159 6160 return finalList; 6161 } 6162 6163 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6164 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6165 if (overlays == null) { 6166 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6167 return; 6168 } 6169 for (PackageParser.Package opkg : overlays.values()) { 6170 // Not much to do if idmap fails: we already logged the error 6171 // and we certainly don't want to abort installation of pkg simply 6172 // because an overlay didn't fit properly. For these reasons, 6173 // ignore the return value of createIdmapForPackagePairLI. 6174 createIdmapForPackagePairLI(pkg, opkg); 6175 } 6176 } 6177 6178 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6179 PackageParser.Package opkg) { 6180 if (!opkg.mTrustedOverlay) { 6181 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6182 opkg.baseCodePath + ": overlay not trusted"); 6183 return false; 6184 } 6185 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6186 if (overlaySet == null) { 6187 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6188 opkg.baseCodePath + " but target package has no known overlays"); 6189 return false; 6190 } 6191 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6192 // TODO: generate idmap for split APKs 6193 try { 6194 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6195 } catch (InstallerException e) { 6196 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6197 + opkg.baseCodePath); 6198 return false; 6199 } 6200 PackageParser.Package[] overlayArray = 6201 overlaySet.values().toArray(new PackageParser.Package[0]); 6202 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6203 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6204 return p1.mOverlayPriority - p2.mOverlayPriority; 6205 } 6206 }; 6207 Arrays.sort(overlayArray, cmp); 6208 6209 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6210 int i = 0; 6211 for (PackageParser.Package p : overlayArray) { 6212 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6213 } 6214 return true; 6215 } 6216 6217 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6218 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6219 try { 6220 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6221 } finally { 6222 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6223 } 6224 } 6225 6226 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6227 final File[] files = dir.listFiles(); 6228 if (ArrayUtils.isEmpty(files)) { 6229 Log.d(TAG, "No files in app dir " + dir); 6230 return; 6231 } 6232 6233 if (DEBUG_PACKAGE_SCANNING) { 6234 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6235 + " flags=0x" + Integer.toHexString(parseFlags)); 6236 } 6237 6238 for (File file : files) { 6239 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6240 && !PackageInstallerService.isStageName(file.getName()); 6241 if (!isPackage) { 6242 // Ignore entries which are not packages 6243 continue; 6244 } 6245 try { 6246 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6247 scanFlags, currentTime, null); 6248 } catch (PackageManagerException e) { 6249 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6250 6251 // Delete invalid userdata apps 6252 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6253 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6254 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6255 removeCodePathLI(file); 6256 } 6257 } 6258 } 6259 } 6260 6261 private static File getSettingsProblemFile() { 6262 File dataDir = Environment.getDataDirectory(); 6263 File systemDir = new File(dataDir, "system"); 6264 File fname = new File(systemDir, "uiderrors.txt"); 6265 return fname; 6266 } 6267 6268 static void reportSettingsProblem(int priority, String msg) { 6269 logCriticalInfo(priority, msg); 6270 } 6271 6272 static void logCriticalInfo(int priority, String msg) { 6273 Slog.println(priority, TAG, msg); 6274 EventLogTags.writePmCriticalInfo(msg); 6275 try { 6276 File fname = getSettingsProblemFile(); 6277 FileOutputStream out = new FileOutputStream(fname, true); 6278 PrintWriter pw = new FastPrintWriter(out); 6279 SimpleDateFormat formatter = new SimpleDateFormat(); 6280 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6281 pw.println(dateString + ": " + msg); 6282 pw.close(); 6283 FileUtils.setPermissions( 6284 fname.toString(), 6285 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6286 -1, -1); 6287 } catch (java.io.IOException e) { 6288 } 6289 } 6290 6291 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6292 int parseFlags) throws PackageManagerException { 6293 if (ps != null 6294 && ps.codePath.equals(srcFile) 6295 && ps.timeStamp == srcFile.lastModified() 6296 && !isCompatSignatureUpdateNeeded(pkg) 6297 && !isRecoverSignatureUpdateNeeded(pkg)) { 6298 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6299 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6300 ArraySet<PublicKey> signingKs; 6301 synchronized (mPackages) { 6302 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6303 } 6304 if (ps.signatures.mSignatures != null 6305 && ps.signatures.mSignatures.length != 0 6306 && signingKs != null) { 6307 // Optimization: reuse the existing cached certificates 6308 // if the package appears to be unchanged. 6309 pkg.mSignatures = ps.signatures.mSignatures; 6310 pkg.mSigningKeys = signingKs; 6311 return; 6312 } 6313 6314 Slog.w(TAG, "PackageSetting for " + ps.name 6315 + " is missing signatures. Collecting certs again to recover them."); 6316 } else { 6317 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6318 } 6319 6320 try { 6321 PackageParser.collectCertificates(pkg, parseFlags); 6322 } catch (PackageParserException e) { 6323 throw PackageManagerException.from(e); 6324 } 6325 } 6326 6327 /** 6328 * Traces a package scan. 6329 * @see #scanPackageLI(File, int, int, long, UserHandle) 6330 */ 6331 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6332 long currentTime, UserHandle user) throws PackageManagerException { 6333 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6334 try { 6335 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6336 } finally { 6337 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6338 } 6339 } 6340 6341 /** 6342 * Scans a package and returns the newly parsed package. 6343 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6344 */ 6345 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6346 long currentTime, UserHandle user) throws PackageManagerException { 6347 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6348 parseFlags |= mDefParseFlags; 6349 PackageParser pp = new PackageParser(); 6350 pp.setSeparateProcesses(mSeparateProcesses); 6351 pp.setOnlyCoreApps(mOnlyCore); 6352 pp.setDisplayMetrics(mMetrics); 6353 6354 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6355 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6356 } 6357 6358 final PackageParser.Package pkg; 6359 try { 6360 pkg = pp.parsePackage(scanFile, parseFlags); 6361 } catch (PackageParserException e) { 6362 throw PackageManagerException.from(e); 6363 } 6364 6365 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6366 } 6367 6368 /** 6369 * Scans a package and returns the newly parsed package. 6370 * @throws PackageManagerException on a parse error. 6371 */ 6372 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6373 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6374 throws PackageManagerException { 6375 // If the package has children and this is the first dive in the function 6376 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6377 // packages (parent and children) would be successfully scanned before the 6378 // actual scan since scanning mutates internal state and we want to atomically 6379 // install the package and its children. 6380 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6381 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6382 scanFlags |= SCAN_CHECK_ONLY; 6383 } 6384 } else { 6385 scanFlags &= ~SCAN_CHECK_ONLY; 6386 } 6387 6388 // Scan the parent 6389 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6390 scanFlags, currentTime, user); 6391 6392 // Scan the children 6393 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6394 for (int i = 0; i < childCount; i++) { 6395 PackageParser.Package childPackage = pkg.childPackages.get(i); 6396 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6397 currentTime, user); 6398 } 6399 6400 6401 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6402 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6403 } 6404 6405 return scannedPkg; 6406 } 6407 6408 /** 6409 * Scans a package and returns the newly parsed package. 6410 * @throws PackageManagerException on a parse error. 6411 */ 6412 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6413 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6414 throws PackageManagerException { 6415 PackageSetting ps = null; 6416 PackageSetting updatedPkg; 6417 // reader 6418 synchronized (mPackages) { 6419 // Look to see if we already know about this package. 6420 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6421 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6422 // This package has been renamed to its original name. Let's 6423 // use that. 6424 ps = mSettings.peekPackageLPr(oldName); 6425 } 6426 // If there was no original package, see one for the real package name. 6427 if (ps == null) { 6428 ps = mSettings.peekPackageLPr(pkg.packageName); 6429 } 6430 // Check to see if this package could be hiding/updating a system 6431 // package. Must look for it either under the original or real 6432 // package name depending on our state. 6433 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6434 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6435 6436 // If this is a package we don't know about on the system partition, we 6437 // may need to remove disabled child packages on the system partition 6438 // or may need to not add child packages if the parent apk is updated 6439 // on the data partition and no longer defines this child package. 6440 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6441 // If this is a parent package for an updated system app and this system 6442 // app got an OTA update which no longer defines some of the child packages 6443 // we have to prune them from the disabled system packages. 6444 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6445 if (disabledPs != null) { 6446 final int scannedChildCount = (pkg.childPackages != null) 6447 ? pkg.childPackages.size() : 0; 6448 final int disabledChildCount = disabledPs.childPackageNames != null 6449 ? disabledPs.childPackageNames.size() : 0; 6450 for (int i = 0; i < disabledChildCount; i++) { 6451 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6452 boolean disabledPackageAvailable = false; 6453 for (int j = 0; j < scannedChildCount; j++) { 6454 PackageParser.Package childPkg = pkg.childPackages.get(j); 6455 if (childPkg.packageName.equals(disabledChildPackageName)) { 6456 disabledPackageAvailable = true; 6457 break; 6458 } 6459 } 6460 if (!disabledPackageAvailable) { 6461 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6462 } 6463 } 6464 } 6465 } 6466 } 6467 6468 boolean updatedPkgBetter = false; 6469 // First check if this is a system package that may involve an update 6470 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6471 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6472 // it needs to drop FLAG_PRIVILEGED. 6473 if (locationIsPrivileged(scanFile)) { 6474 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6475 } else { 6476 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6477 } 6478 6479 if (ps != null && !ps.codePath.equals(scanFile)) { 6480 // The path has changed from what was last scanned... check the 6481 // version of the new path against what we have stored to determine 6482 // what to do. 6483 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6484 if (pkg.mVersionCode <= ps.versionCode) { 6485 // The system package has been updated and the code path does not match 6486 // Ignore entry. Skip it. 6487 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6488 + " ignored: updated version " + ps.versionCode 6489 + " better than this " + pkg.mVersionCode); 6490 if (!updatedPkg.codePath.equals(scanFile)) { 6491 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6492 + ps.name + " changing from " + updatedPkg.codePathString 6493 + " to " + scanFile); 6494 updatedPkg.codePath = scanFile; 6495 updatedPkg.codePathString = scanFile.toString(); 6496 updatedPkg.resourcePath = scanFile; 6497 updatedPkg.resourcePathString = scanFile.toString(); 6498 } 6499 updatedPkg.pkg = pkg; 6500 updatedPkg.versionCode = pkg.mVersionCode; 6501 6502 // Update the disabled system child packages to point to the package too. 6503 final int childCount = updatedPkg.childPackageNames != null 6504 ? updatedPkg.childPackageNames.size() : 0; 6505 for (int i = 0; i < childCount; i++) { 6506 String childPackageName = updatedPkg.childPackageNames.get(i); 6507 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6508 childPackageName); 6509 if (updatedChildPkg != null) { 6510 updatedChildPkg.pkg = pkg; 6511 updatedChildPkg.versionCode = pkg.mVersionCode; 6512 } 6513 } 6514 6515 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6516 + scanFile + " ignored: updated version " + ps.versionCode 6517 + " better than this " + pkg.mVersionCode); 6518 } else { 6519 // The current app on the system partition is better than 6520 // what we have updated to on the data partition; switch 6521 // back to the system partition version. 6522 // At this point, its safely assumed that package installation for 6523 // apps in system partition will go through. If not there won't be a working 6524 // version of the app 6525 // writer 6526 synchronized (mPackages) { 6527 // Just remove the loaded entries from package lists. 6528 mPackages.remove(ps.name); 6529 } 6530 6531 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6532 + " reverting from " + ps.codePathString 6533 + ": new version " + pkg.mVersionCode 6534 + " better than installed " + ps.versionCode); 6535 6536 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6537 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6538 synchronized (mInstallLock) { 6539 args.cleanUpResourcesLI(); 6540 } 6541 synchronized (mPackages) { 6542 mSettings.enableSystemPackageLPw(ps.name); 6543 } 6544 updatedPkgBetter = true; 6545 } 6546 } 6547 } 6548 6549 if (updatedPkg != null) { 6550 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6551 // initially 6552 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6553 6554 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6555 // flag set initially 6556 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6557 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6558 } 6559 } 6560 6561 // Verify certificates against what was last scanned 6562 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6563 6564 /* 6565 * A new system app appeared, but we already had a non-system one of the 6566 * same name installed earlier. 6567 */ 6568 boolean shouldHideSystemApp = false; 6569 if (updatedPkg == null && ps != null 6570 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6571 /* 6572 * Check to make sure the signatures match first. If they don't, 6573 * wipe the installed application and its data. 6574 */ 6575 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6576 != PackageManager.SIGNATURE_MATCH) { 6577 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6578 + " signatures don't match existing userdata copy; removing"); 6579 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false, null); 6580 ps = null; 6581 } else { 6582 /* 6583 * If the newly-added system app is an older version than the 6584 * already installed version, hide it. It will be scanned later 6585 * and re-added like an update. 6586 */ 6587 if (pkg.mVersionCode <= ps.versionCode) { 6588 shouldHideSystemApp = true; 6589 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6590 + " but new version " + pkg.mVersionCode + " better than installed " 6591 + ps.versionCode + "; hiding system"); 6592 } else { 6593 /* 6594 * The newly found system app is a newer version that the 6595 * one previously installed. Simply remove the 6596 * already-installed application and replace it with our own 6597 * while keeping the application data. 6598 */ 6599 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6600 + " reverting from " + ps.codePathString + ": new version " 6601 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6602 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6603 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6604 synchronized (mInstallLock) { 6605 args.cleanUpResourcesLI(); 6606 } 6607 } 6608 } 6609 } 6610 6611 // The apk is forward locked (not public) if its code and resources 6612 // are kept in different files. (except for app in either system or 6613 // vendor path). 6614 // TODO grab this value from PackageSettings 6615 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6616 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6617 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6618 } 6619 } 6620 6621 // TODO: extend to support forward-locked splits 6622 String resourcePath = null; 6623 String baseResourcePath = null; 6624 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6625 if (ps != null && ps.resourcePathString != null) { 6626 resourcePath = ps.resourcePathString; 6627 baseResourcePath = ps.resourcePathString; 6628 } else { 6629 // Should not happen at all. Just log an error. 6630 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6631 } 6632 } else { 6633 resourcePath = pkg.codePath; 6634 baseResourcePath = pkg.baseCodePath; 6635 } 6636 6637 // Set application objects path explicitly. 6638 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6639 pkg.setApplicationInfoCodePath(pkg.codePath); 6640 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6641 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6642 pkg.setApplicationInfoResourcePath(resourcePath); 6643 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6644 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6645 6646 // Note that we invoke the following method only if we are about to unpack an application 6647 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6648 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6649 6650 /* 6651 * If the system app should be overridden by a previously installed 6652 * data, hide the system app now and let the /data/app scan pick it up 6653 * again. 6654 */ 6655 if (shouldHideSystemApp) { 6656 synchronized (mPackages) { 6657 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6658 } 6659 } 6660 6661 return scannedPkg; 6662 } 6663 6664 private static String fixProcessName(String defProcessName, 6665 String processName, int uid) { 6666 if (processName == null) { 6667 return defProcessName; 6668 } 6669 return processName; 6670 } 6671 6672 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6673 throws PackageManagerException { 6674 if (pkgSetting.signatures.mSignatures != null) { 6675 // Already existing package. Make sure signatures match 6676 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6677 == PackageManager.SIGNATURE_MATCH; 6678 if (!match) { 6679 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6680 == PackageManager.SIGNATURE_MATCH; 6681 } 6682 if (!match) { 6683 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6684 == PackageManager.SIGNATURE_MATCH; 6685 } 6686 if (!match) { 6687 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6688 + pkg.packageName + " signatures do not match the " 6689 + "previously installed version; ignoring!"); 6690 } 6691 } 6692 6693 // Check for shared user signatures 6694 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6695 // Already existing package. Make sure signatures match 6696 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6697 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6698 if (!match) { 6699 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6700 == PackageManager.SIGNATURE_MATCH; 6701 } 6702 if (!match) { 6703 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6704 == PackageManager.SIGNATURE_MATCH; 6705 } 6706 if (!match) { 6707 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6708 "Package " + pkg.packageName 6709 + " has no signatures that match those in shared user " 6710 + pkgSetting.sharedUser.name + "; ignoring!"); 6711 } 6712 } 6713 } 6714 6715 /** 6716 * Enforces that only the system UID or root's UID can call a method exposed 6717 * via Binder. 6718 * 6719 * @param message used as message if SecurityException is thrown 6720 * @throws SecurityException if the caller is not system or root 6721 */ 6722 private static final void enforceSystemOrRoot(String message) { 6723 final int uid = Binder.getCallingUid(); 6724 if (uid != Process.SYSTEM_UID && uid != 0) { 6725 throw new SecurityException(message); 6726 } 6727 } 6728 6729 @Override 6730 public void performFstrimIfNeeded() { 6731 enforceSystemOrRoot("Only the system can request fstrim"); 6732 6733 // Before everything else, see whether we need to fstrim. 6734 try { 6735 IMountService ms = PackageHelper.getMountService(); 6736 if (ms != null) { 6737 final boolean isUpgrade = isUpgrade(); 6738 boolean doTrim = isUpgrade; 6739 if (doTrim) { 6740 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6741 } else { 6742 final long interval = android.provider.Settings.Global.getLong( 6743 mContext.getContentResolver(), 6744 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6745 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6746 if (interval > 0) { 6747 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6748 if (timeSinceLast > interval) { 6749 doTrim = true; 6750 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6751 + "; running immediately"); 6752 } 6753 } 6754 } 6755 if (doTrim) { 6756 if (!isFirstBoot()) { 6757 try { 6758 ActivityManagerNative.getDefault().showBootMessage( 6759 mContext.getResources().getString( 6760 R.string.android_upgrading_fstrim), true); 6761 } catch (RemoteException e) { 6762 } 6763 } 6764 ms.runMaintenance(); 6765 } 6766 } else { 6767 Slog.e(TAG, "Mount service unavailable!"); 6768 } 6769 } catch (RemoteException e) { 6770 // Can't happen; MountService is local 6771 } 6772 } 6773 6774 @Override 6775 public void extractPackagesIfNeeded() { 6776 enforceSystemOrRoot("Only the system can request package extraction"); 6777 6778 // Extract pacakges only if profile-guided compilation is enabled because 6779 // otherwise BackgroundDexOptService will not dexopt them later. 6780 if (mUseJitProfiles) { 6781 ArraySet<String> pkgs = getOptimizablePackages(); 6782 if (pkgs != null) { 6783 for (String pkg : pkgs) { 6784 performDexOpt(pkg, null /* instructionSet */, false /* useProfiles */, 6785 true /* extractOnly */, false /* force */); 6786 } 6787 } 6788 } 6789 } 6790 6791 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6792 List<ResolveInfo> ris = null; 6793 try { 6794 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6795 intent, null, 0, userId); 6796 } catch (RemoteException e) { 6797 } 6798 ArraySet<String> pkgNames = new ArraySet<String>(); 6799 if (ris != null) { 6800 for (ResolveInfo ri : ris) { 6801 pkgNames.add(ri.activityInfo.packageName); 6802 } 6803 } 6804 return pkgNames; 6805 } 6806 6807 @Override 6808 public void notifyPackageUse(String packageName) { 6809 synchronized (mPackages) { 6810 PackageParser.Package p = mPackages.get(packageName); 6811 if (p == null) { 6812 return; 6813 } 6814 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6815 } 6816 } 6817 6818 // TODO: this is not used nor needed. Delete it. 6819 @Override 6820 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6821 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6822 false /* extractOnly */, false /* force */); 6823 } 6824 6825 @Override 6826 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6827 boolean extractOnly, boolean force) { 6828 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6829 } 6830 6831 private boolean performDexOptTraced(String packageName, String instructionSet, 6832 boolean useProfiles, boolean extractOnly, boolean force) { 6833 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6834 try { 6835 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6836 force); 6837 } finally { 6838 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6839 } 6840 } 6841 6842 private boolean performDexOptInternal(String packageName, String instructionSet, 6843 boolean useProfiles, boolean extractOnly, boolean force) { 6844 PackageParser.Package p; 6845 final String targetInstructionSet; 6846 synchronized (mPackages) { 6847 p = mPackages.get(packageName); 6848 if (p == null) { 6849 return false; 6850 } 6851 mPackageUsage.write(false); 6852 6853 targetInstructionSet = instructionSet != null ? instructionSet : 6854 getPrimaryInstructionSet(p.applicationInfo); 6855 if (!force && !useProfiles && p.mDexOptPerformed.contains(targetInstructionSet)) { 6856 // Skip only if we do not use profiles since they might trigger a recompilation. 6857 return false; 6858 } 6859 } 6860 long callingId = Binder.clearCallingIdentity(); 6861 try { 6862 synchronized (mInstallLock) { 6863 final String[] instructionSets = new String[] { targetInstructionSet }; 6864 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6865 useProfiles, extractOnly, force); 6866 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6867 } 6868 } finally { 6869 Binder.restoreCallingIdentity(callingId); 6870 } 6871 } 6872 6873 public ArraySet<String> getOptimizablePackages() { 6874 ArraySet<String> pkgs = new ArraySet<String>(); 6875 synchronized (mPackages) { 6876 for (PackageParser.Package p : mPackages.values()) { 6877 if (PackageDexOptimizer.canOptimizePackage(p)) { 6878 pkgs.add(p.packageName); 6879 } 6880 } 6881 } 6882 return pkgs; 6883 } 6884 6885 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 6886 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 6887 // Select the dex optimizer based on the force parameter. 6888 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 6889 // allocate an object here. 6890 PackageDexOptimizer pdo = force 6891 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 6892 : mPackageDexOptimizer; 6893 6894 // Optimize all dependencies first. Note: we ignore the return value and march on 6895 // on errors. 6896 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 6897 if (!deps.isEmpty()) { 6898 for (PackageParser.Package depPackage : deps) { 6899 // TODO: Analyze and investigate if we (should) profile libraries. 6900 // Currently this will do a full compilation of the library. 6901 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 6902 false /* extractOnly */); 6903 } 6904 } 6905 6906 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 6907 } 6908 6909 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 6910 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 6911 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 6912 Set<String> collectedNames = new HashSet<>(); 6913 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 6914 6915 retValue.remove(p); 6916 6917 return retValue; 6918 } else { 6919 return Collections.emptyList(); 6920 } 6921 } 6922 6923 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 6924 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6925 if (!collectedNames.contains(p.packageName)) { 6926 collectedNames.add(p.packageName); 6927 collected.add(p); 6928 6929 if (p.usesLibraries != null) { 6930 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 6931 } 6932 if (p.usesOptionalLibraries != null) { 6933 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 6934 collectedNames); 6935 } 6936 } 6937 } 6938 6939 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 6940 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 6941 for (String libName : libs) { 6942 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 6943 if (libPkg != null) { 6944 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 6945 } 6946 } 6947 } 6948 6949 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 6950 synchronized (mPackages) { 6951 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 6952 if (lib != null && lib.apk != null) { 6953 return mPackages.get(lib.apk); 6954 } 6955 } 6956 return null; 6957 } 6958 6959 public void shutdown() { 6960 mPackageUsage.write(true); 6961 } 6962 6963 @Override 6964 public void forceDexOpt(String packageName) { 6965 enforceSystemOrRoot("forceDexOpt"); 6966 6967 PackageParser.Package pkg; 6968 synchronized (mPackages) { 6969 pkg = mPackages.get(packageName); 6970 if (pkg == null) { 6971 throw new IllegalArgumentException("Unknown package: " + packageName); 6972 } 6973 } 6974 6975 synchronized (mInstallLock) { 6976 final String[] instructionSets = new String[] { 6977 getPrimaryInstructionSet(pkg.applicationInfo) }; 6978 6979 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6980 6981 // Whoever is calling forceDexOpt wants a fully compiled package. 6982 // Don't use profiles since that may cause compilation to be skipped. 6983 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 6984 false /* useProfiles */, false /* extractOnly */, true /* force */); 6985 6986 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6987 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6988 throw new IllegalStateException("Failed to dexopt: " + res); 6989 } 6990 } 6991 } 6992 6993 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6994 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6995 Slog.w(TAG, "Unable to update from " + oldPkg.name 6996 + " to " + newPkg.packageName 6997 + ": old package not in system partition"); 6998 return false; 6999 } else if (mPackages.get(oldPkg.name) != null) { 7000 Slog.w(TAG, "Unable to update from " + oldPkg.name 7001 + " to " + newPkg.packageName 7002 + ": old package still exists"); 7003 return false; 7004 } 7005 return true; 7006 } 7007 7008 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7009 // TODO: triage flags as part of 26466827 7010 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7011 7012 boolean res = true; 7013 final int[] users = sUserManager.getUserIds(); 7014 for (int user : users) { 7015 try { 7016 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7017 } catch (InstallerException e) { 7018 Slog.w(TAG, "Failed to delete data directory", e); 7019 res = false; 7020 } 7021 } 7022 return res; 7023 } 7024 7025 void removeCodePathLI(File codePath) { 7026 if (codePath.isDirectory()) { 7027 try { 7028 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7029 } catch (InstallerException e) { 7030 Slog.w(TAG, "Failed to remove code path", e); 7031 } 7032 } else { 7033 codePath.delete(); 7034 } 7035 } 7036 7037 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7038 try { 7039 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7040 } catch (InstallerException e) { 7041 Slog.w(TAG, "Failed to destroy app data", e); 7042 } 7043 } 7044 7045 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7046 int appId, String seinfo) { 7047 try { 7048 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7049 } catch (InstallerException e) { 7050 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7051 } 7052 } 7053 7054 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7055 final PackageParser.Package pkg; 7056 synchronized (mPackages) { 7057 pkg = mPackages.get(packageName); 7058 } 7059 if (pkg == null) { 7060 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7061 return; 7062 } 7063 deleteCodeCacheDirsLI(pkg); 7064 } 7065 7066 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7067 // TODO: triage flags as part of 26466827 7068 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7069 7070 int[] users = sUserManager.getUserIds(); 7071 int res = 0; 7072 for (int user : users) { 7073 // Remove the parent code cache 7074 try { 7075 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7076 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7077 } catch (InstallerException e) { 7078 Slog.w(TAG, "Failed to delete code cache directory", e); 7079 } 7080 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7081 for (int i = 0; i < childCount; i++) { 7082 PackageParser.Package childPkg = pkg.childPackages.get(i); 7083 // Remove the child code cache 7084 try { 7085 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7086 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7087 } catch (InstallerException e) { 7088 Slog.w(TAG, "Failed to delete code cache directory", e); 7089 } 7090 } 7091 } 7092 } 7093 7094 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7095 long lastUpdateTime) { 7096 // Set parent install/update time 7097 PackageSetting ps = (PackageSetting) pkg.mExtras; 7098 if (ps != null) { 7099 ps.firstInstallTime = firstInstallTime; 7100 ps.lastUpdateTime = lastUpdateTime; 7101 } 7102 // Set children install/update time 7103 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7104 for (int i = 0; i < childCount; i++) { 7105 PackageParser.Package childPkg = pkg.childPackages.get(i); 7106 ps = (PackageSetting) childPkg.mExtras; 7107 if (ps != null) { 7108 ps.firstInstallTime = firstInstallTime; 7109 ps.lastUpdateTime = lastUpdateTime; 7110 } 7111 } 7112 } 7113 7114 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7115 PackageParser.Package changingLib) { 7116 if (file.path != null) { 7117 usesLibraryFiles.add(file.path); 7118 return; 7119 } 7120 PackageParser.Package p = mPackages.get(file.apk); 7121 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7122 // If we are doing this while in the middle of updating a library apk, 7123 // then we need to make sure to use that new apk for determining the 7124 // dependencies here. (We haven't yet finished committing the new apk 7125 // to the package manager state.) 7126 if (p == null || p.packageName.equals(changingLib.packageName)) { 7127 p = changingLib; 7128 } 7129 } 7130 if (p != null) { 7131 usesLibraryFiles.addAll(p.getAllCodePaths()); 7132 } 7133 } 7134 7135 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7136 PackageParser.Package changingLib) throws PackageManagerException { 7137 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7138 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7139 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7140 for (int i=0; i<N; i++) { 7141 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7142 if (file == null) { 7143 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7144 "Package " + pkg.packageName + " requires unavailable shared library " 7145 + pkg.usesLibraries.get(i) + "; failing!"); 7146 } 7147 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7148 } 7149 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7150 for (int i=0; i<N; i++) { 7151 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7152 if (file == null) { 7153 Slog.w(TAG, "Package " + pkg.packageName 7154 + " desires unavailable shared library " 7155 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7156 } else { 7157 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7158 } 7159 } 7160 N = usesLibraryFiles.size(); 7161 if (N > 0) { 7162 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7163 } else { 7164 pkg.usesLibraryFiles = null; 7165 } 7166 } 7167 } 7168 7169 private static boolean hasString(List<String> list, List<String> which) { 7170 if (list == null) { 7171 return false; 7172 } 7173 for (int i=list.size()-1; i>=0; i--) { 7174 for (int j=which.size()-1; j>=0; j--) { 7175 if (which.get(j).equals(list.get(i))) { 7176 return true; 7177 } 7178 } 7179 } 7180 return false; 7181 } 7182 7183 private void updateAllSharedLibrariesLPw() { 7184 for (PackageParser.Package pkg : mPackages.values()) { 7185 try { 7186 updateSharedLibrariesLPw(pkg, null); 7187 } catch (PackageManagerException e) { 7188 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7189 } 7190 } 7191 } 7192 7193 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7194 PackageParser.Package changingPkg) { 7195 ArrayList<PackageParser.Package> res = null; 7196 for (PackageParser.Package pkg : mPackages.values()) { 7197 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7198 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7199 if (res == null) { 7200 res = new ArrayList<PackageParser.Package>(); 7201 } 7202 res.add(pkg); 7203 try { 7204 updateSharedLibrariesLPw(pkg, changingPkg); 7205 } catch (PackageManagerException e) { 7206 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7207 } 7208 } 7209 } 7210 return res; 7211 } 7212 7213 /** 7214 * Derive the value of the {@code cpuAbiOverride} based on the provided 7215 * value and an optional stored value from the package settings. 7216 */ 7217 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7218 String cpuAbiOverride = null; 7219 7220 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7221 cpuAbiOverride = null; 7222 } else if (abiOverride != null) { 7223 cpuAbiOverride = abiOverride; 7224 } else if (settings != null) { 7225 cpuAbiOverride = settings.cpuAbiOverrideString; 7226 } 7227 7228 return cpuAbiOverride; 7229 } 7230 7231 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7232 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7233 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7234 // If the package has children and this is the first dive in the function 7235 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7236 // whether all packages (parent and children) would be successfully scanned 7237 // before the actual scan since scanning mutates internal state and we want 7238 // to atomically install the package and its children. 7239 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7240 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7241 scanFlags |= SCAN_CHECK_ONLY; 7242 } 7243 } else { 7244 scanFlags &= ~SCAN_CHECK_ONLY; 7245 } 7246 7247 final PackageParser.Package scannedPkg; 7248 try { 7249 // Scan the parent 7250 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7251 // Scan the children 7252 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7253 for (int i = 0; i < childCount; i++) { 7254 PackageParser.Package childPkg = pkg.childPackages.get(i); 7255 scanPackageLI(childPkg, parseFlags, 7256 scanFlags, currentTime, user); 7257 } 7258 } finally { 7259 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7260 } 7261 7262 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7263 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7264 } 7265 7266 return scannedPkg; 7267 } 7268 7269 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7270 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7271 boolean success = false; 7272 try { 7273 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7274 currentTime, user); 7275 success = true; 7276 return res; 7277 } finally { 7278 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7279 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7280 } 7281 } 7282 } 7283 7284 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7285 int scanFlags, long currentTime, UserHandle user) 7286 throws PackageManagerException { 7287 final File scanFile = new File(pkg.codePath); 7288 if (pkg.applicationInfo.getCodePath() == null || 7289 pkg.applicationInfo.getResourcePath() == null) { 7290 // Bail out. The resource and code paths haven't been set. 7291 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7292 "Code and resource paths haven't been set correctly"); 7293 } 7294 7295 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7296 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7297 } else { 7298 // Only allow system apps to be flagged as core apps. 7299 pkg.coreApp = false; 7300 } 7301 7302 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7303 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7304 } 7305 7306 if (mCustomResolverComponentName != null && 7307 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7308 setUpCustomResolverActivity(pkg); 7309 } 7310 7311 if (pkg.packageName.equals("android")) { 7312 synchronized (mPackages) { 7313 if (mAndroidApplication != null) { 7314 Slog.w(TAG, "*************************************************"); 7315 Slog.w(TAG, "Core android package being redefined. Skipping."); 7316 Slog.w(TAG, " file=" + scanFile); 7317 Slog.w(TAG, "*************************************************"); 7318 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7319 "Core android package being redefined. Skipping."); 7320 } 7321 7322 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7323 // Set up information for our fall-back user intent resolution activity. 7324 mPlatformPackage = pkg; 7325 pkg.mVersionCode = mSdkVersion; 7326 mAndroidApplication = pkg.applicationInfo; 7327 7328 if (!mResolverReplaced) { 7329 mResolveActivity.applicationInfo = mAndroidApplication; 7330 mResolveActivity.name = ResolverActivity.class.getName(); 7331 mResolveActivity.packageName = mAndroidApplication.packageName; 7332 mResolveActivity.processName = "system:ui"; 7333 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7334 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7335 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7336 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7337 mResolveActivity.exported = true; 7338 mResolveActivity.enabled = true; 7339 mResolveInfo.activityInfo = mResolveActivity; 7340 mResolveInfo.priority = 0; 7341 mResolveInfo.preferredOrder = 0; 7342 mResolveInfo.match = 0; 7343 mResolveComponentName = new ComponentName( 7344 mAndroidApplication.packageName, mResolveActivity.name); 7345 } 7346 } 7347 } 7348 } 7349 7350 if (DEBUG_PACKAGE_SCANNING) { 7351 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7352 Log.d(TAG, "Scanning package " + pkg.packageName); 7353 } 7354 7355 synchronized (mPackages) { 7356 if (mPackages.containsKey(pkg.packageName) 7357 || mSharedLibraries.containsKey(pkg.packageName)) { 7358 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7359 "Application package " + pkg.packageName 7360 + " already installed. Skipping duplicate."); 7361 } 7362 7363 // If we're only installing presumed-existing packages, require that the 7364 // scanned APK is both already known and at the path previously established 7365 // for it. Previously unknown packages we pick up normally, but if we have an 7366 // a priori expectation about this package's install presence, enforce it. 7367 // With a singular exception for new system packages. When an OTA contains 7368 // a new system package, we allow the codepath to change from a system location 7369 // to the user-installed location. If we don't allow this change, any newer, 7370 // user-installed version of the application will be ignored. 7371 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7372 if (mExpectingBetter.containsKey(pkg.packageName)) { 7373 logCriticalInfo(Log.WARN, 7374 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7375 } else { 7376 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7377 if (known != null) { 7378 if (DEBUG_PACKAGE_SCANNING) { 7379 Log.d(TAG, "Examining " + pkg.codePath 7380 + " and requiring known paths " + known.codePathString 7381 + " & " + known.resourcePathString); 7382 } 7383 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7384 || !pkg.applicationInfo.getResourcePath().equals( 7385 known.resourcePathString)) { 7386 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7387 "Application package " + pkg.packageName 7388 + " found at " + pkg.applicationInfo.getCodePath() 7389 + " but expected at " + known.codePathString 7390 + "; ignoring."); 7391 } 7392 } 7393 } 7394 } 7395 } 7396 7397 // Initialize package source and resource directories 7398 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7399 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7400 7401 SharedUserSetting suid = null; 7402 PackageSetting pkgSetting = null; 7403 7404 if (!isSystemApp(pkg)) { 7405 // Only system apps can use these features. 7406 pkg.mOriginalPackages = null; 7407 pkg.mRealPackage = null; 7408 pkg.mAdoptPermissions = null; 7409 } 7410 7411 // Getting the package setting may have a side-effect, so if we 7412 // are only checking if scan would succeed, stash a copy of the 7413 // old setting to restore at the end. 7414 PackageSetting nonMutatedPs = null; 7415 7416 // writer 7417 synchronized (mPackages) { 7418 if (pkg.mSharedUserId != null) { 7419 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7420 if (suid == null) { 7421 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7422 "Creating application package " + pkg.packageName 7423 + " for shared user failed"); 7424 } 7425 if (DEBUG_PACKAGE_SCANNING) { 7426 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7427 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7428 + "): packages=" + suid.packages); 7429 } 7430 } 7431 7432 // Check if we are renaming from an original package name. 7433 PackageSetting origPackage = null; 7434 String realName = null; 7435 if (pkg.mOriginalPackages != null) { 7436 // This package may need to be renamed to a previously 7437 // installed name. Let's check on that... 7438 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7439 if (pkg.mOriginalPackages.contains(renamed)) { 7440 // This package had originally been installed as the 7441 // original name, and we have already taken care of 7442 // transitioning to the new one. Just update the new 7443 // one to continue using the old name. 7444 realName = pkg.mRealPackage; 7445 if (!pkg.packageName.equals(renamed)) { 7446 // Callers into this function may have already taken 7447 // care of renaming the package; only do it here if 7448 // it is not already done. 7449 pkg.setPackageName(renamed); 7450 } 7451 7452 } else { 7453 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7454 if ((origPackage = mSettings.peekPackageLPr( 7455 pkg.mOriginalPackages.get(i))) != null) { 7456 // We do have the package already installed under its 7457 // original name... should we use it? 7458 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7459 // New package is not compatible with original. 7460 origPackage = null; 7461 continue; 7462 } else if (origPackage.sharedUser != null) { 7463 // Make sure uid is compatible between packages. 7464 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7465 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7466 + " to " + pkg.packageName + ": old uid " 7467 + origPackage.sharedUser.name 7468 + " differs from " + pkg.mSharedUserId); 7469 origPackage = null; 7470 continue; 7471 } 7472 } else { 7473 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7474 + pkg.packageName + " to old name " + origPackage.name); 7475 } 7476 break; 7477 } 7478 } 7479 } 7480 } 7481 7482 if (mTransferedPackages.contains(pkg.packageName)) { 7483 Slog.w(TAG, "Package " + pkg.packageName 7484 + " was transferred to another, but its .apk remains"); 7485 } 7486 7487 // See comments in nonMutatedPs declaration 7488 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7489 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7490 if (foundPs != null) { 7491 nonMutatedPs = new PackageSetting(foundPs); 7492 } 7493 } 7494 7495 // Just create the setting, don't add it yet. For already existing packages 7496 // the PkgSetting exists already and doesn't have to be created. 7497 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7498 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7499 pkg.applicationInfo.primaryCpuAbi, 7500 pkg.applicationInfo.secondaryCpuAbi, 7501 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7502 user, false); 7503 if (pkgSetting == null) { 7504 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7505 "Creating application package " + pkg.packageName + " failed"); 7506 } 7507 7508 if (pkgSetting.origPackage != null) { 7509 // If we are first transitioning from an original package, 7510 // fix up the new package's name now. We need to do this after 7511 // looking up the package under its new name, so getPackageLP 7512 // can take care of fiddling things correctly. 7513 pkg.setPackageName(origPackage.name); 7514 7515 // File a report about this. 7516 String msg = "New package " + pkgSetting.realName 7517 + " renamed to replace old package " + pkgSetting.name; 7518 reportSettingsProblem(Log.WARN, msg); 7519 7520 // Make a note of it. 7521 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7522 mTransferedPackages.add(origPackage.name); 7523 } 7524 7525 // No longer need to retain this. 7526 pkgSetting.origPackage = null; 7527 } 7528 7529 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7530 // Make a note of it. 7531 mTransferedPackages.add(pkg.packageName); 7532 } 7533 7534 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7535 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7536 } 7537 7538 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7539 // Check all shared libraries and map to their actual file path. 7540 // We only do this here for apps not on a system dir, because those 7541 // are the only ones that can fail an install due to this. We 7542 // will take care of the system apps by updating all of their 7543 // library paths after the scan is done. 7544 updateSharedLibrariesLPw(pkg, null); 7545 } 7546 7547 if (mFoundPolicyFile) { 7548 SELinuxMMAC.assignSeinfoValue(pkg); 7549 } 7550 7551 pkg.applicationInfo.uid = pkgSetting.appId; 7552 pkg.mExtras = pkgSetting; 7553 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7554 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7555 // We just determined the app is signed correctly, so bring 7556 // over the latest parsed certs. 7557 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7558 } else { 7559 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7560 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7561 "Package " + pkg.packageName + " upgrade keys do not match the " 7562 + "previously installed version"); 7563 } else { 7564 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7565 String msg = "System package " + pkg.packageName 7566 + " signature changed; retaining data."; 7567 reportSettingsProblem(Log.WARN, msg); 7568 } 7569 } 7570 } else { 7571 try { 7572 verifySignaturesLP(pkgSetting, pkg); 7573 // We just determined the app is signed correctly, so bring 7574 // over the latest parsed certs. 7575 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7576 } catch (PackageManagerException e) { 7577 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7578 throw e; 7579 } 7580 // The signature has changed, but this package is in the system 7581 // image... let's recover! 7582 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7583 // However... if this package is part of a shared user, but it 7584 // doesn't match the signature of the shared user, let's fail. 7585 // What this means is that you can't change the signatures 7586 // associated with an overall shared user, which doesn't seem all 7587 // that unreasonable. 7588 if (pkgSetting.sharedUser != null) { 7589 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7590 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7591 throw new PackageManagerException( 7592 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7593 "Signature mismatch for shared user: " 7594 + pkgSetting.sharedUser); 7595 } 7596 } 7597 // File a report about this. 7598 String msg = "System package " + pkg.packageName 7599 + " signature changed; retaining data."; 7600 reportSettingsProblem(Log.WARN, msg); 7601 } 7602 } 7603 // Verify that this new package doesn't have any content providers 7604 // that conflict with existing packages. Only do this if the 7605 // package isn't already installed, since we don't want to break 7606 // things that are installed. 7607 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7608 final int N = pkg.providers.size(); 7609 int i; 7610 for (i=0; i<N; i++) { 7611 PackageParser.Provider p = pkg.providers.get(i); 7612 if (p.info.authority != null) { 7613 String names[] = p.info.authority.split(";"); 7614 for (int j = 0; j < names.length; j++) { 7615 if (mProvidersByAuthority.containsKey(names[j])) { 7616 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7617 final String otherPackageName = 7618 ((other != null && other.getComponentName() != null) ? 7619 other.getComponentName().getPackageName() : "?"); 7620 throw new PackageManagerException( 7621 INSTALL_FAILED_CONFLICTING_PROVIDER, 7622 "Can't install because provider name " + names[j] 7623 + " (in package " + pkg.applicationInfo.packageName 7624 + ") is already used by " + otherPackageName); 7625 } 7626 } 7627 } 7628 } 7629 } 7630 7631 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7632 // This package wants to adopt ownership of permissions from 7633 // another package. 7634 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7635 final String origName = pkg.mAdoptPermissions.get(i); 7636 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7637 if (orig != null) { 7638 if (verifyPackageUpdateLPr(orig, pkg)) { 7639 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7640 + pkg.packageName); 7641 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7642 } 7643 } 7644 } 7645 } 7646 } 7647 7648 final String pkgName = pkg.packageName; 7649 7650 final long scanFileTime = scanFile.lastModified(); 7651 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7652 pkg.applicationInfo.processName = fixProcessName( 7653 pkg.applicationInfo.packageName, 7654 pkg.applicationInfo.processName, 7655 pkg.applicationInfo.uid); 7656 7657 if (pkg != mPlatformPackage) { 7658 // Get all of our default paths setup 7659 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7660 } 7661 7662 final String path = scanFile.getPath(); 7663 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7664 7665 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7666 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7667 7668 // Some system apps still use directory structure for native libraries 7669 // in which case we might end up not detecting abi solely based on apk 7670 // structure. Try to detect abi based on directory structure. 7671 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7672 pkg.applicationInfo.primaryCpuAbi == null) { 7673 setBundledAppAbisAndRoots(pkg, pkgSetting); 7674 setNativeLibraryPaths(pkg); 7675 } 7676 7677 } else { 7678 if ((scanFlags & SCAN_MOVE) != 0) { 7679 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7680 // but we already have this packages package info in the PackageSetting. We just 7681 // use that and derive the native library path based on the new codepath. 7682 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7683 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7684 } 7685 7686 // Set native library paths again. For moves, the path will be updated based on the 7687 // ABIs we've determined above. For non-moves, the path will be updated based on the 7688 // ABIs we determined during compilation, but the path will depend on the final 7689 // package path (after the rename away from the stage path). 7690 setNativeLibraryPaths(pkg); 7691 } 7692 7693 // This is a special case for the "system" package, where the ABI is 7694 // dictated by the zygote configuration (and init.rc). We should keep track 7695 // of this ABI so that we can deal with "normal" applications that run under 7696 // the same UID correctly. 7697 if (mPlatformPackage == pkg) { 7698 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7699 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7700 } 7701 7702 // If there's a mismatch between the abi-override in the package setting 7703 // and the abiOverride specified for the install. Warn about this because we 7704 // would've already compiled the app without taking the package setting into 7705 // account. 7706 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7707 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7708 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7709 " for package " + pkg.packageName); 7710 } 7711 } 7712 7713 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7714 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7715 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7716 7717 // Copy the derived override back to the parsed package, so that we can 7718 // update the package settings accordingly. 7719 pkg.cpuAbiOverride = cpuAbiOverride; 7720 7721 if (DEBUG_ABI_SELECTION) { 7722 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7723 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7724 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7725 } 7726 7727 // Push the derived path down into PackageSettings so we know what to 7728 // clean up at uninstall time. 7729 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7730 7731 if (DEBUG_ABI_SELECTION) { 7732 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7733 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7734 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7735 } 7736 7737 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7738 // We don't do this here during boot because we can do it all 7739 // at once after scanning all existing packages. 7740 // 7741 // We also do this *before* we perform dexopt on this package, so that 7742 // we can avoid redundant dexopts, and also to make sure we've got the 7743 // code and package path correct. 7744 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7745 pkg, true /* boot complete */); 7746 } 7747 7748 if (mFactoryTest && pkg.requestedPermissions.contains( 7749 android.Manifest.permission.FACTORY_TEST)) { 7750 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7751 } 7752 7753 ArrayList<PackageParser.Package> clientLibPkgs = null; 7754 7755 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7756 if (nonMutatedPs != null) { 7757 synchronized (mPackages) { 7758 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7759 } 7760 } 7761 return pkg; 7762 } 7763 7764 // Only privileged apps and updated privileged apps can add child packages. 7765 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7766 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7767 throw new PackageManagerException("Only privileged apps and updated " 7768 + "privileged apps can add child packages. Ignoring package " 7769 + pkg.packageName); 7770 } 7771 final int childCount = pkg.childPackages.size(); 7772 for (int i = 0; i < childCount; i++) { 7773 PackageParser.Package childPkg = pkg.childPackages.get(i); 7774 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7775 childPkg.packageName)) { 7776 throw new PackageManagerException("Cannot override a child package of " 7777 + "another disabled system app. Ignoring package " + pkg.packageName); 7778 } 7779 } 7780 } 7781 7782 // writer 7783 synchronized (mPackages) { 7784 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7785 // Only system apps can add new shared libraries. 7786 if (pkg.libraryNames != null) { 7787 for (int i=0; i<pkg.libraryNames.size(); i++) { 7788 String name = pkg.libraryNames.get(i); 7789 boolean allowed = false; 7790 if (pkg.isUpdatedSystemApp()) { 7791 // New library entries can only be added through the 7792 // system image. This is important to get rid of a lot 7793 // of nasty edge cases: for example if we allowed a non- 7794 // system update of the app to add a library, then uninstalling 7795 // the update would make the library go away, and assumptions 7796 // we made such as through app install filtering would now 7797 // have allowed apps on the device which aren't compatible 7798 // with it. Better to just have the restriction here, be 7799 // conservative, and create many fewer cases that can negatively 7800 // impact the user experience. 7801 final PackageSetting sysPs = mSettings 7802 .getDisabledSystemPkgLPr(pkg.packageName); 7803 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7804 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7805 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7806 allowed = true; 7807 break; 7808 } 7809 } 7810 } 7811 } else { 7812 allowed = true; 7813 } 7814 if (allowed) { 7815 if (!mSharedLibraries.containsKey(name)) { 7816 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7817 } else if (!name.equals(pkg.packageName)) { 7818 Slog.w(TAG, "Package " + pkg.packageName + " library " 7819 + name + " already exists; skipping"); 7820 } 7821 } else { 7822 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7823 + name + " that is not declared on system image; skipping"); 7824 } 7825 } 7826 if ((scanFlags & SCAN_BOOTING) == 0) { 7827 // If we are not booting, we need to update any applications 7828 // that are clients of our shared library. If we are booting, 7829 // this will all be done once the scan is complete. 7830 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7831 } 7832 } 7833 } 7834 } 7835 7836 // Request the ActivityManager to kill the process(only for existing packages) 7837 // so that we do not end up in a confused state while the user is still using the older 7838 // version of the application while the new one gets installed. 7839 if ((scanFlags & SCAN_REPLACING) != 0) { 7840 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7841 7842 killApplication(pkg.applicationInfo.packageName, 7843 pkg.applicationInfo.uid, "replace pkg"); 7844 7845 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7846 } 7847 7848 // Also need to kill any apps that are dependent on the library. 7849 if (clientLibPkgs != null) { 7850 for (int i=0; i<clientLibPkgs.size(); i++) { 7851 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7852 killApplication(clientPkg.applicationInfo.packageName, 7853 clientPkg.applicationInfo.uid, "update lib"); 7854 } 7855 } 7856 7857 // Make sure we're not adding any bogus keyset info 7858 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7859 ksms.assertScannedPackageValid(pkg); 7860 7861 // writer 7862 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7863 7864 boolean createIdmapFailed = false; 7865 synchronized (mPackages) { 7866 // We don't expect installation to fail beyond this point 7867 7868 // Add the new setting to mSettings 7869 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7870 // Add the new setting to mPackages 7871 mPackages.put(pkg.applicationInfo.packageName, pkg); 7872 // Make sure we don't accidentally delete its data. 7873 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7874 while (iter.hasNext()) { 7875 PackageCleanItem item = iter.next(); 7876 if (pkgName.equals(item.packageName)) { 7877 iter.remove(); 7878 } 7879 } 7880 7881 // Take care of first install / last update times. 7882 if (currentTime != 0) { 7883 if (pkgSetting.firstInstallTime == 0) { 7884 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7885 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7886 pkgSetting.lastUpdateTime = currentTime; 7887 } 7888 } else if (pkgSetting.firstInstallTime == 0) { 7889 // We need *something*. Take time time stamp of the file. 7890 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7891 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7892 if (scanFileTime != pkgSetting.timeStamp) { 7893 // A package on the system image has changed; consider this 7894 // to be an update. 7895 pkgSetting.lastUpdateTime = scanFileTime; 7896 } 7897 } 7898 7899 // Add the package's KeySets to the global KeySetManagerService 7900 ksms.addScannedPackageLPw(pkg); 7901 7902 int N = pkg.providers.size(); 7903 StringBuilder r = null; 7904 int i; 7905 for (i=0; i<N; i++) { 7906 PackageParser.Provider p = pkg.providers.get(i); 7907 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7908 p.info.processName, pkg.applicationInfo.uid); 7909 mProviders.addProvider(p); 7910 p.syncable = p.info.isSyncable; 7911 if (p.info.authority != null) { 7912 String names[] = p.info.authority.split(";"); 7913 p.info.authority = null; 7914 for (int j = 0; j < names.length; j++) { 7915 if (j == 1 && p.syncable) { 7916 // We only want the first authority for a provider to possibly be 7917 // syncable, so if we already added this provider using a different 7918 // authority clear the syncable flag. We copy the provider before 7919 // changing it because the mProviders object contains a reference 7920 // to a provider that we don't want to change. 7921 // Only do this for the second authority since the resulting provider 7922 // object can be the same for all future authorities for this provider. 7923 p = new PackageParser.Provider(p); 7924 p.syncable = false; 7925 } 7926 if (!mProvidersByAuthority.containsKey(names[j])) { 7927 mProvidersByAuthority.put(names[j], p); 7928 if (p.info.authority == null) { 7929 p.info.authority = names[j]; 7930 } else { 7931 p.info.authority = p.info.authority + ";" + names[j]; 7932 } 7933 if (DEBUG_PACKAGE_SCANNING) { 7934 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7935 Log.d(TAG, "Registered content provider: " + names[j] 7936 + ", className = " + p.info.name + ", isSyncable = " 7937 + p.info.isSyncable); 7938 } 7939 } else { 7940 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7941 Slog.w(TAG, "Skipping provider name " + names[j] + 7942 " (in package " + pkg.applicationInfo.packageName + 7943 "): name already used by " 7944 + ((other != null && other.getComponentName() != null) 7945 ? other.getComponentName().getPackageName() : "?")); 7946 } 7947 } 7948 } 7949 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7950 if (r == null) { 7951 r = new StringBuilder(256); 7952 } else { 7953 r.append(' '); 7954 } 7955 r.append(p.info.name); 7956 } 7957 } 7958 if (r != null) { 7959 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7960 } 7961 7962 N = pkg.services.size(); 7963 r = null; 7964 for (i=0; i<N; i++) { 7965 PackageParser.Service s = pkg.services.get(i); 7966 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7967 s.info.processName, pkg.applicationInfo.uid); 7968 mServices.addService(s); 7969 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7970 if (r == null) { 7971 r = new StringBuilder(256); 7972 } else { 7973 r.append(' '); 7974 } 7975 r.append(s.info.name); 7976 } 7977 } 7978 if (r != null) { 7979 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7980 } 7981 7982 N = pkg.receivers.size(); 7983 r = null; 7984 for (i=0; i<N; i++) { 7985 PackageParser.Activity a = pkg.receivers.get(i); 7986 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7987 a.info.processName, pkg.applicationInfo.uid); 7988 mReceivers.addActivity(a, "receiver"); 7989 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7990 if (r == null) { 7991 r = new StringBuilder(256); 7992 } else { 7993 r.append(' '); 7994 } 7995 r.append(a.info.name); 7996 } 7997 } 7998 if (r != null) { 7999 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8000 } 8001 8002 N = pkg.activities.size(); 8003 r = null; 8004 for (i=0; i<N; i++) { 8005 PackageParser.Activity a = pkg.activities.get(i); 8006 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8007 a.info.processName, pkg.applicationInfo.uid); 8008 mActivities.addActivity(a, "activity"); 8009 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8010 if (r == null) { 8011 r = new StringBuilder(256); 8012 } else { 8013 r.append(' '); 8014 } 8015 r.append(a.info.name); 8016 } 8017 } 8018 if (r != null) { 8019 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8020 } 8021 8022 N = pkg.permissionGroups.size(); 8023 r = null; 8024 for (i=0; i<N; i++) { 8025 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8026 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8027 if (cur == null) { 8028 mPermissionGroups.put(pg.info.name, pg); 8029 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8030 if (r == null) { 8031 r = new StringBuilder(256); 8032 } else { 8033 r.append(' '); 8034 } 8035 r.append(pg.info.name); 8036 } 8037 } else { 8038 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8039 + pg.info.packageName + " ignored: original from " 8040 + cur.info.packageName); 8041 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8042 if (r == null) { 8043 r = new StringBuilder(256); 8044 } else { 8045 r.append(' '); 8046 } 8047 r.append("DUP:"); 8048 r.append(pg.info.name); 8049 } 8050 } 8051 } 8052 if (r != null) { 8053 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8054 } 8055 8056 N = pkg.permissions.size(); 8057 r = null; 8058 for (i=0; i<N; i++) { 8059 PackageParser.Permission p = pkg.permissions.get(i); 8060 8061 // Assume by default that we did not install this permission into the system. 8062 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8063 8064 // Now that permission groups have a special meaning, we ignore permission 8065 // groups for legacy apps to prevent unexpected behavior. In particular, 8066 // permissions for one app being granted to someone just becase they happen 8067 // to be in a group defined by another app (before this had no implications). 8068 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8069 p.group = mPermissionGroups.get(p.info.group); 8070 // Warn for a permission in an unknown group. 8071 if (p.info.group != null && p.group == null) { 8072 Slog.w(TAG, "Permission " + p.info.name + " from package " 8073 + p.info.packageName + " in an unknown group " + p.info.group); 8074 } 8075 } 8076 8077 ArrayMap<String, BasePermission> permissionMap = 8078 p.tree ? mSettings.mPermissionTrees 8079 : mSettings.mPermissions; 8080 BasePermission bp = permissionMap.get(p.info.name); 8081 8082 // Allow system apps to redefine non-system permissions 8083 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8084 final boolean currentOwnerIsSystem = (bp.perm != null 8085 && isSystemApp(bp.perm.owner)); 8086 if (isSystemApp(p.owner)) { 8087 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8088 // It's a built-in permission and no owner, take ownership now 8089 bp.packageSetting = pkgSetting; 8090 bp.perm = p; 8091 bp.uid = pkg.applicationInfo.uid; 8092 bp.sourcePackage = p.info.packageName; 8093 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8094 } else if (!currentOwnerIsSystem) { 8095 String msg = "New decl " + p.owner + " of permission " 8096 + p.info.name + " is system; overriding " + bp.sourcePackage; 8097 reportSettingsProblem(Log.WARN, msg); 8098 bp = null; 8099 } 8100 } 8101 } 8102 8103 if (bp == null) { 8104 bp = new BasePermission(p.info.name, p.info.packageName, 8105 BasePermission.TYPE_NORMAL); 8106 permissionMap.put(p.info.name, bp); 8107 } 8108 8109 if (bp.perm == null) { 8110 if (bp.sourcePackage == null 8111 || bp.sourcePackage.equals(p.info.packageName)) { 8112 BasePermission tree = findPermissionTreeLP(p.info.name); 8113 if (tree == null 8114 || tree.sourcePackage.equals(p.info.packageName)) { 8115 bp.packageSetting = pkgSetting; 8116 bp.perm = p; 8117 bp.uid = pkg.applicationInfo.uid; 8118 bp.sourcePackage = p.info.packageName; 8119 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8120 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8121 if (r == null) { 8122 r = new StringBuilder(256); 8123 } else { 8124 r.append(' '); 8125 } 8126 r.append(p.info.name); 8127 } 8128 } else { 8129 Slog.w(TAG, "Permission " + p.info.name + " from package " 8130 + p.info.packageName + " ignored: base tree " 8131 + tree.name + " is from package " 8132 + tree.sourcePackage); 8133 } 8134 } else { 8135 Slog.w(TAG, "Permission " + p.info.name + " from package " 8136 + p.info.packageName + " ignored: original from " 8137 + bp.sourcePackage); 8138 } 8139 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8140 if (r == null) { 8141 r = new StringBuilder(256); 8142 } else { 8143 r.append(' '); 8144 } 8145 r.append("DUP:"); 8146 r.append(p.info.name); 8147 } 8148 if (bp.perm == p) { 8149 bp.protectionLevel = p.info.protectionLevel; 8150 } 8151 } 8152 8153 if (r != null) { 8154 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8155 } 8156 8157 N = pkg.instrumentation.size(); 8158 r = null; 8159 for (i=0; i<N; i++) { 8160 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8161 a.info.packageName = pkg.applicationInfo.packageName; 8162 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8163 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8164 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8165 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8166 a.info.dataDir = pkg.applicationInfo.dataDir; 8167 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 8168 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 8169 8170 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8171 // need other information about the application, like the ABI and what not ? 8172 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8173 mInstrumentation.put(a.getComponentName(), a); 8174 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8175 if (r == null) { 8176 r = new StringBuilder(256); 8177 } else { 8178 r.append(' '); 8179 } 8180 r.append(a.info.name); 8181 } 8182 } 8183 if (r != null) { 8184 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8185 } 8186 8187 if (pkg.protectedBroadcasts != null) { 8188 N = pkg.protectedBroadcasts.size(); 8189 for (i=0; i<N; i++) { 8190 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8191 } 8192 } 8193 8194 pkgSetting.setTimeStamp(scanFileTime); 8195 8196 // Create idmap files for pairs of (packages, overlay packages). 8197 // Note: "android", ie framework-res.apk, is handled by native layers. 8198 if (pkg.mOverlayTarget != null) { 8199 // This is an overlay package. 8200 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8201 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8202 mOverlays.put(pkg.mOverlayTarget, 8203 new ArrayMap<String, PackageParser.Package>()); 8204 } 8205 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8206 map.put(pkg.packageName, pkg); 8207 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8208 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8209 createIdmapFailed = true; 8210 } 8211 } 8212 } else if (mOverlays.containsKey(pkg.packageName) && 8213 !pkg.packageName.equals("android")) { 8214 // This is a regular package, with one or more known overlay packages. 8215 createIdmapsForPackageLI(pkg); 8216 } 8217 } 8218 8219 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8220 8221 if (createIdmapFailed) { 8222 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8223 "scanPackageLI failed to createIdmap"); 8224 } 8225 return pkg; 8226 } 8227 8228 /** 8229 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8230 * is derived purely on the basis of the contents of {@code scanFile} and 8231 * {@code cpuAbiOverride}. 8232 * 8233 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8234 */ 8235 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8236 String cpuAbiOverride, boolean extractLibs) 8237 throws PackageManagerException { 8238 // TODO: We can probably be smarter about this stuff. For installed apps, 8239 // we can calculate this information at install time once and for all. For 8240 // system apps, we can probably assume that this information doesn't change 8241 // after the first boot scan. As things stand, we do lots of unnecessary work. 8242 8243 // Give ourselves some initial paths; we'll come back for another 8244 // pass once we've determined ABI below. 8245 setNativeLibraryPaths(pkg); 8246 8247 // We would never need to extract libs for forward-locked and external packages, 8248 // since the container service will do it for us. We shouldn't attempt to 8249 // extract libs from system app when it was not updated. 8250 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8251 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8252 extractLibs = false; 8253 } 8254 8255 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8256 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8257 8258 NativeLibraryHelper.Handle handle = null; 8259 try { 8260 handle = NativeLibraryHelper.Handle.create(pkg); 8261 // TODO(multiArch): This can be null for apps that didn't go through the 8262 // usual installation process. We can calculate it again, like we 8263 // do during install time. 8264 // 8265 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8266 // unnecessary. 8267 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8268 8269 // Null out the abis so that they can be recalculated. 8270 pkg.applicationInfo.primaryCpuAbi = null; 8271 pkg.applicationInfo.secondaryCpuAbi = null; 8272 if (isMultiArch(pkg.applicationInfo)) { 8273 // Warn if we've set an abiOverride for multi-lib packages.. 8274 // By definition, we need to copy both 32 and 64 bit libraries for 8275 // such packages. 8276 if (pkg.cpuAbiOverride != null 8277 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8278 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8279 } 8280 8281 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8282 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8283 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8284 if (extractLibs) { 8285 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8286 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8287 useIsaSpecificSubdirs); 8288 } else { 8289 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8290 } 8291 } 8292 8293 maybeThrowExceptionForMultiArchCopy( 8294 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8295 8296 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8297 if (extractLibs) { 8298 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8299 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8300 useIsaSpecificSubdirs); 8301 } else { 8302 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8303 } 8304 } 8305 8306 maybeThrowExceptionForMultiArchCopy( 8307 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8308 8309 if (abi64 >= 0) { 8310 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8311 } 8312 8313 if (abi32 >= 0) { 8314 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8315 if (abi64 >= 0) { 8316 pkg.applicationInfo.secondaryCpuAbi = abi; 8317 } else { 8318 pkg.applicationInfo.primaryCpuAbi = abi; 8319 } 8320 } 8321 if (cpuAbiOverride != null && 8322 cpuAbiOverride.equals(pkg.applicationInfo.secondaryCpuAbi)) { 8323 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8324 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8325 } 8326 } else { 8327 String[] abiList = (cpuAbiOverride != null) ? 8328 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8329 8330 // Enable gross and lame hacks for apps that are built with old 8331 // SDK tools. We must scan their APKs for renderscript bitcode and 8332 // not launch them if it's present. Don't bother checking on devices 8333 // that don't have 64 bit support. 8334 boolean needsRenderScriptOverride = false; 8335 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8336 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8337 abiList = Build.SUPPORTED_32_BIT_ABIS; 8338 needsRenderScriptOverride = true; 8339 } 8340 8341 final int copyRet; 8342 if (extractLibs) { 8343 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8344 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8345 } else { 8346 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8347 } 8348 8349 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8350 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8351 "Error unpackaging native libs for app, errorCode=" + copyRet); 8352 } 8353 8354 if (copyRet >= 0) { 8355 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8356 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8357 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8358 } else if (needsRenderScriptOverride) { 8359 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8360 } 8361 } 8362 } catch (IOException ioe) { 8363 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8364 } finally { 8365 IoUtils.closeQuietly(handle); 8366 } 8367 8368 // Now that we've calculated the ABIs and determined if it's an internal app, 8369 // we will go ahead and populate the nativeLibraryPath. 8370 setNativeLibraryPaths(pkg); 8371 } 8372 8373 /** 8374 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8375 * i.e, so that all packages can be run inside a single process if required. 8376 * 8377 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8378 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8379 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8380 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8381 * updating a package that belongs to a shared user. 8382 * 8383 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8384 * adds unnecessary complexity. 8385 */ 8386 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8387 PackageParser.Package scannedPackage, boolean bootComplete) { 8388 String requiredInstructionSet = null; 8389 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8390 requiredInstructionSet = VMRuntime.getInstructionSet( 8391 scannedPackage.applicationInfo.primaryCpuAbi); 8392 } 8393 8394 PackageSetting requirer = null; 8395 for (PackageSetting ps : packagesForUser) { 8396 // If packagesForUser contains scannedPackage, we skip it. This will happen 8397 // when scannedPackage is an update of an existing package. Without this check, 8398 // we will never be able to change the ABI of any package belonging to a shared 8399 // user, even if it's compatible with other packages. 8400 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8401 if (ps.primaryCpuAbiString == null) { 8402 continue; 8403 } 8404 8405 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8406 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8407 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8408 // this but there's not much we can do. 8409 String errorMessage = "Instruction set mismatch, " 8410 + ((requirer == null) ? "[caller]" : requirer) 8411 + " requires " + requiredInstructionSet + " whereas " + ps 8412 + " requires " + instructionSet; 8413 Slog.w(TAG, errorMessage); 8414 } 8415 8416 if (requiredInstructionSet == null) { 8417 requiredInstructionSet = instructionSet; 8418 requirer = ps; 8419 } 8420 } 8421 } 8422 8423 if (requiredInstructionSet != null) { 8424 String adjustedAbi; 8425 if (requirer != null) { 8426 // requirer != null implies that either scannedPackage was null or that scannedPackage 8427 // did not require an ABI, in which case we have to adjust scannedPackage to match 8428 // the ABI of the set (which is the same as requirer's ABI) 8429 adjustedAbi = requirer.primaryCpuAbiString; 8430 if (scannedPackage != null) { 8431 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8432 } 8433 } else { 8434 // requirer == null implies that we're updating all ABIs in the set to 8435 // match scannedPackage. 8436 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8437 } 8438 8439 for (PackageSetting ps : packagesForUser) { 8440 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8441 if (ps.primaryCpuAbiString != null) { 8442 continue; 8443 } 8444 8445 ps.primaryCpuAbiString = adjustedAbi; 8446 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8447 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8448 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8449 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8450 + " (requirer=" 8451 + (requirer == null ? "null" : requirer.pkg.packageName) 8452 + ", scannedPackage=" 8453 + (scannedPackage != null ? scannedPackage.packageName : "null") 8454 + ")"); 8455 try { 8456 mInstaller.rmdex(ps.codePathString, 8457 getDexCodeInstructionSet(getPreferredInstructionSet())); 8458 } catch (InstallerException ignored) { 8459 } 8460 } 8461 } 8462 } 8463 } 8464 } 8465 8466 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8467 synchronized (mPackages) { 8468 mResolverReplaced = true; 8469 // Set up information for custom user intent resolution activity. 8470 mResolveActivity.applicationInfo = pkg.applicationInfo; 8471 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8472 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8473 mResolveActivity.processName = pkg.applicationInfo.packageName; 8474 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8475 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8476 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8477 mResolveActivity.theme = 0; 8478 mResolveActivity.exported = true; 8479 mResolveActivity.enabled = true; 8480 mResolveInfo.activityInfo = mResolveActivity; 8481 mResolveInfo.priority = 0; 8482 mResolveInfo.preferredOrder = 0; 8483 mResolveInfo.match = 0; 8484 mResolveComponentName = mCustomResolverComponentName; 8485 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8486 mResolveComponentName); 8487 } 8488 } 8489 8490 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8491 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8492 8493 // Set up information for ephemeral installer activity 8494 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8495 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8496 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8497 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8498 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8499 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8500 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8501 mEphemeralInstallerActivity.theme = 0; 8502 mEphemeralInstallerActivity.exported = true; 8503 mEphemeralInstallerActivity.enabled = true; 8504 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8505 mEphemeralInstallerInfo.priority = 0; 8506 mEphemeralInstallerInfo.preferredOrder = 0; 8507 mEphemeralInstallerInfo.match = 0; 8508 8509 if (DEBUG_EPHEMERAL) { 8510 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8511 } 8512 } 8513 8514 private static String calculateBundledApkRoot(final String codePathString) { 8515 final File codePath = new File(codePathString); 8516 final File codeRoot; 8517 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8518 codeRoot = Environment.getRootDirectory(); 8519 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8520 codeRoot = Environment.getOemDirectory(); 8521 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8522 codeRoot = Environment.getVendorDirectory(); 8523 } else { 8524 // Unrecognized code path; take its top real segment as the apk root: 8525 // e.g. /something/app/blah.apk => /something 8526 try { 8527 File f = codePath.getCanonicalFile(); 8528 File parent = f.getParentFile(); // non-null because codePath is a file 8529 File tmp; 8530 while ((tmp = parent.getParentFile()) != null) { 8531 f = parent; 8532 parent = tmp; 8533 } 8534 codeRoot = f; 8535 Slog.w(TAG, "Unrecognized code path " 8536 + codePath + " - using " + codeRoot); 8537 } catch (IOException e) { 8538 // Can't canonicalize the code path -- shenanigans? 8539 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8540 return Environment.getRootDirectory().getPath(); 8541 } 8542 } 8543 return codeRoot.getPath(); 8544 } 8545 8546 /** 8547 * Derive and set the location of native libraries for the given package, 8548 * which varies depending on where and how the package was installed. 8549 */ 8550 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8551 final ApplicationInfo info = pkg.applicationInfo; 8552 final String codePath = pkg.codePath; 8553 final File codeFile = new File(codePath); 8554 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8555 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8556 8557 info.nativeLibraryRootDir = null; 8558 info.nativeLibraryRootRequiresIsa = false; 8559 info.nativeLibraryDir = null; 8560 info.secondaryNativeLibraryDir = null; 8561 8562 if (isApkFile(codeFile)) { 8563 // Monolithic install 8564 if (bundledApp) { 8565 // If "/system/lib64/apkname" exists, assume that is the per-package 8566 // native library directory to use; otherwise use "/system/lib/apkname". 8567 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8568 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8569 getPrimaryInstructionSet(info)); 8570 8571 // This is a bundled system app so choose the path based on the ABI. 8572 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8573 // is just the default path. 8574 final String apkName = deriveCodePathName(codePath); 8575 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8576 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8577 apkName).getAbsolutePath(); 8578 8579 if (info.secondaryCpuAbi != null) { 8580 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8581 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8582 secondaryLibDir, apkName).getAbsolutePath(); 8583 } 8584 } else if (asecApp) { 8585 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8586 .getAbsolutePath(); 8587 } else { 8588 final String apkName = deriveCodePathName(codePath); 8589 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8590 .getAbsolutePath(); 8591 } 8592 8593 info.nativeLibraryRootRequiresIsa = false; 8594 info.nativeLibraryDir = info.nativeLibraryRootDir; 8595 } else { 8596 // Cluster install 8597 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8598 info.nativeLibraryRootRequiresIsa = true; 8599 8600 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8601 getPrimaryInstructionSet(info)).getAbsolutePath(); 8602 8603 if (info.secondaryCpuAbi != null) { 8604 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8605 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8606 } 8607 } 8608 } 8609 8610 /** 8611 * Calculate the abis and roots for a bundled app. These can uniquely 8612 * be determined from the contents of the system partition, i.e whether 8613 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8614 * of this information, and instead assume that the system was built 8615 * sensibly. 8616 */ 8617 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8618 PackageSetting pkgSetting) { 8619 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8620 8621 // If "/system/lib64/apkname" exists, assume that is the per-package 8622 // native library directory to use; otherwise use "/system/lib/apkname". 8623 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8624 setBundledAppAbi(pkg, apkRoot, apkName); 8625 // pkgSetting might be null during rescan following uninstall of updates 8626 // to a bundled app, so accommodate that possibility. The settings in 8627 // that case will be established later from the parsed package. 8628 // 8629 // If the settings aren't null, sync them up with what we've just derived. 8630 // note that apkRoot isn't stored in the package settings. 8631 if (pkgSetting != null) { 8632 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8633 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8634 } 8635 } 8636 8637 /** 8638 * Deduces the ABI of a bundled app and sets the relevant fields on the 8639 * parsed pkg object. 8640 * 8641 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8642 * under which system libraries are installed. 8643 * @param apkName the name of the installed package. 8644 */ 8645 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8646 final File codeFile = new File(pkg.codePath); 8647 8648 final boolean has64BitLibs; 8649 final boolean has32BitLibs; 8650 if (isApkFile(codeFile)) { 8651 // Monolithic install 8652 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8653 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8654 } else { 8655 // Cluster install 8656 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8657 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8658 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8659 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8660 has64BitLibs = (new File(rootDir, isa)).exists(); 8661 } else { 8662 has64BitLibs = false; 8663 } 8664 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8665 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8666 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8667 has32BitLibs = (new File(rootDir, isa)).exists(); 8668 } else { 8669 has32BitLibs = false; 8670 } 8671 } 8672 8673 if (has64BitLibs && !has32BitLibs) { 8674 // The package has 64 bit libs, but not 32 bit libs. Its primary 8675 // ABI should be 64 bit. We can safely assume here that the bundled 8676 // native libraries correspond to the most preferred ABI in the list. 8677 8678 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8679 pkg.applicationInfo.secondaryCpuAbi = null; 8680 } else if (has32BitLibs && !has64BitLibs) { 8681 // The package has 32 bit libs but not 64 bit libs. Its primary 8682 // ABI should be 32 bit. 8683 8684 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8685 pkg.applicationInfo.secondaryCpuAbi = null; 8686 } else if (has32BitLibs && has64BitLibs) { 8687 // The application has both 64 and 32 bit bundled libraries. We check 8688 // here that the app declares multiArch support, and warn if it doesn't. 8689 // 8690 // We will be lenient here and record both ABIs. The primary will be the 8691 // ABI that's higher on the list, i.e, a device that's configured to prefer 8692 // 64 bit apps will see a 64 bit primary ABI, 8693 8694 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8695 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8696 } 8697 8698 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8699 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8700 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8701 } else { 8702 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8703 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8704 } 8705 } else { 8706 pkg.applicationInfo.primaryCpuAbi = null; 8707 pkg.applicationInfo.secondaryCpuAbi = null; 8708 } 8709 } 8710 8711 private void killPackage(PackageParser.Package pkg, String reason) { 8712 // Kill the parent package 8713 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8714 // Kill the child packages 8715 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8716 for (int i = 0; i < childCount; i++) { 8717 PackageParser.Package childPkg = pkg.childPackages.get(i); 8718 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8719 } 8720 } 8721 8722 private void killApplication(String pkgName, int appId, String reason) { 8723 // Request the ActivityManager to kill the process(only for existing packages) 8724 // so that we do not end up in a confused state while the user is still using the older 8725 // version of the application while the new one gets installed. 8726 IActivityManager am = ActivityManagerNative.getDefault(); 8727 if (am != null) { 8728 try { 8729 am.killApplicationWithAppId(pkgName, appId, reason); 8730 } catch (RemoteException e) { 8731 } 8732 } 8733 } 8734 8735 private void removePackageSettingLI(PackageParser.Package pkg, boolean chatty) { 8736 // Remove the parent package setting 8737 PackageSetting ps = (PackageSetting) pkg.mExtras; 8738 if (ps != null) { 8739 removePackageSettingLI(ps, chatty); 8740 } 8741 // Remove the child package setting 8742 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8743 for (int i = 0; i < childCount; i++) { 8744 PackageParser.Package childPkg = pkg.childPackages.get(i); 8745 ps = (PackageSetting) childPkg.mExtras; 8746 if (ps != null) { 8747 removePackageSettingLI(ps, chatty); 8748 } 8749 } 8750 } 8751 8752 void removePackageSettingLI(PackageSetting ps, boolean chatty) { 8753 if (DEBUG_INSTALL) { 8754 if (chatty) 8755 Log.d(TAG, "Removing package " + ps.name); 8756 } 8757 8758 // writer 8759 synchronized (mPackages) { 8760 mPackages.remove(ps.name); 8761 final PackageParser.Package pkg = ps.pkg; 8762 if (pkg != null) { 8763 cleanPackageDataStructuresLILPw(pkg, chatty); 8764 } 8765 } 8766 } 8767 8768 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8769 if (DEBUG_INSTALL) { 8770 if (chatty) 8771 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8772 } 8773 8774 // writer 8775 synchronized (mPackages) { 8776 // Remove the parent package 8777 mPackages.remove(pkg.applicationInfo.packageName); 8778 cleanPackageDataStructuresLILPw(pkg, chatty); 8779 8780 // Remove the child packages 8781 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8782 for (int i = 0; i < childCount; i++) { 8783 PackageParser.Package childPkg = pkg.childPackages.get(i); 8784 mPackages.remove(childPkg.applicationInfo.packageName); 8785 cleanPackageDataStructuresLILPw(childPkg, chatty); 8786 } 8787 } 8788 } 8789 8790 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8791 int N = pkg.providers.size(); 8792 StringBuilder r = null; 8793 int i; 8794 for (i=0; i<N; i++) { 8795 PackageParser.Provider p = pkg.providers.get(i); 8796 mProviders.removeProvider(p); 8797 if (p.info.authority == null) { 8798 8799 /* There was another ContentProvider with this authority when 8800 * this app was installed so this authority is null, 8801 * Ignore it as we don't have to unregister the provider. 8802 */ 8803 continue; 8804 } 8805 String names[] = p.info.authority.split(";"); 8806 for (int j = 0; j < names.length; j++) { 8807 if (mProvidersByAuthority.get(names[j]) == p) { 8808 mProvidersByAuthority.remove(names[j]); 8809 if (DEBUG_REMOVE) { 8810 if (chatty) 8811 Log.d(TAG, "Unregistered content provider: " + names[j] 8812 + ", className = " + p.info.name + ", isSyncable = " 8813 + p.info.isSyncable); 8814 } 8815 } 8816 } 8817 if (DEBUG_REMOVE && chatty) { 8818 if (r == null) { 8819 r = new StringBuilder(256); 8820 } else { 8821 r.append(' '); 8822 } 8823 r.append(p.info.name); 8824 } 8825 } 8826 if (r != null) { 8827 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8828 } 8829 8830 N = pkg.services.size(); 8831 r = null; 8832 for (i=0; i<N; i++) { 8833 PackageParser.Service s = pkg.services.get(i); 8834 mServices.removeService(s); 8835 if (chatty) { 8836 if (r == null) { 8837 r = new StringBuilder(256); 8838 } else { 8839 r.append(' '); 8840 } 8841 r.append(s.info.name); 8842 } 8843 } 8844 if (r != null) { 8845 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8846 } 8847 8848 N = pkg.receivers.size(); 8849 r = null; 8850 for (i=0; i<N; i++) { 8851 PackageParser.Activity a = pkg.receivers.get(i); 8852 mReceivers.removeActivity(a, "receiver"); 8853 if (DEBUG_REMOVE && chatty) { 8854 if (r == null) { 8855 r = new StringBuilder(256); 8856 } else { 8857 r.append(' '); 8858 } 8859 r.append(a.info.name); 8860 } 8861 } 8862 if (r != null) { 8863 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8864 } 8865 8866 N = pkg.activities.size(); 8867 r = null; 8868 for (i=0; i<N; i++) { 8869 PackageParser.Activity a = pkg.activities.get(i); 8870 mActivities.removeActivity(a, "activity"); 8871 if (DEBUG_REMOVE && chatty) { 8872 if (r == null) { 8873 r = new StringBuilder(256); 8874 } else { 8875 r.append(' '); 8876 } 8877 r.append(a.info.name); 8878 } 8879 } 8880 if (r != null) { 8881 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8882 } 8883 8884 N = pkg.permissions.size(); 8885 r = null; 8886 for (i=0; i<N; i++) { 8887 PackageParser.Permission p = pkg.permissions.get(i); 8888 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8889 if (bp == null) { 8890 bp = mSettings.mPermissionTrees.get(p.info.name); 8891 } 8892 if (bp != null && bp.perm == p) { 8893 bp.perm = null; 8894 if (DEBUG_REMOVE && chatty) { 8895 if (r == null) { 8896 r = new StringBuilder(256); 8897 } else { 8898 r.append(' '); 8899 } 8900 r.append(p.info.name); 8901 } 8902 } 8903 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8904 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8905 if (appOpPkgs != null) { 8906 appOpPkgs.remove(pkg.packageName); 8907 } 8908 } 8909 } 8910 if (r != null) { 8911 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8912 } 8913 8914 N = pkg.requestedPermissions.size(); 8915 r = null; 8916 for (i=0; i<N; i++) { 8917 String perm = pkg.requestedPermissions.get(i); 8918 BasePermission bp = mSettings.mPermissions.get(perm); 8919 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8920 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8921 if (appOpPkgs != null) { 8922 appOpPkgs.remove(pkg.packageName); 8923 if (appOpPkgs.isEmpty()) { 8924 mAppOpPermissionPackages.remove(perm); 8925 } 8926 } 8927 } 8928 } 8929 if (r != null) { 8930 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8931 } 8932 8933 N = pkg.instrumentation.size(); 8934 r = null; 8935 for (i=0; i<N; i++) { 8936 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8937 mInstrumentation.remove(a.getComponentName()); 8938 if (DEBUG_REMOVE && chatty) { 8939 if (r == null) { 8940 r = new StringBuilder(256); 8941 } else { 8942 r.append(' '); 8943 } 8944 r.append(a.info.name); 8945 } 8946 } 8947 if (r != null) { 8948 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8949 } 8950 8951 r = null; 8952 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8953 // Only system apps can hold shared libraries. 8954 if (pkg.libraryNames != null) { 8955 for (i=0; i<pkg.libraryNames.size(); i++) { 8956 String name = pkg.libraryNames.get(i); 8957 SharedLibraryEntry cur = mSharedLibraries.get(name); 8958 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8959 mSharedLibraries.remove(name); 8960 if (DEBUG_REMOVE && chatty) { 8961 if (r == null) { 8962 r = new StringBuilder(256); 8963 } else { 8964 r.append(' '); 8965 } 8966 r.append(name); 8967 } 8968 } 8969 } 8970 } 8971 } 8972 if (r != null) { 8973 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8974 } 8975 } 8976 8977 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8978 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8979 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8980 return true; 8981 } 8982 } 8983 return false; 8984 } 8985 8986 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8987 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8988 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8989 8990 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 8991 // Update the parent permissions 8992 updatePermissionsLPw(pkg.packageName, pkg, flags); 8993 // Update the child permissions 8994 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8995 for (int i = 0; i < childCount; i++) { 8996 PackageParser.Package childPkg = pkg.childPackages.get(i); 8997 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 8998 } 8999 } 9000 9001 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9002 int flags) { 9003 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9004 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9005 } 9006 9007 private void updatePermissionsLPw(String changingPkg, 9008 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9009 // Make sure there are no dangling permission trees. 9010 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9011 while (it.hasNext()) { 9012 final BasePermission bp = it.next(); 9013 if (bp.packageSetting == null) { 9014 // We may not yet have parsed the package, so just see if 9015 // we still know about its settings. 9016 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9017 } 9018 if (bp.packageSetting == null) { 9019 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9020 + " from package " + bp.sourcePackage); 9021 it.remove(); 9022 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9023 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9024 Slog.i(TAG, "Removing old permission tree: " + bp.name 9025 + " from package " + bp.sourcePackage); 9026 flags |= UPDATE_PERMISSIONS_ALL; 9027 it.remove(); 9028 } 9029 } 9030 } 9031 9032 // Make sure all dynamic permissions have been assigned to a package, 9033 // and make sure there are no dangling permissions. 9034 it = mSettings.mPermissions.values().iterator(); 9035 while (it.hasNext()) { 9036 final BasePermission bp = it.next(); 9037 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9038 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9039 + bp.name + " pkg=" + bp.sourcePackage 9040 + " info=" + bp.pendingInfo); 9041 if (bp.packageSetting == null && bp.pendingInfo != null) { 9042 final BasePermission tree = findPermissionTreeLP(bp.name); 9043 if (tree != null && tree.perm != null) { 9044 bp.packageSetting = tree.packageSetting; 9045 bp.perm = new PackageParser.Permission(tree.perm.owner, 9046 new PermissionInfo(bp.pendingInfo)); 9047 bp.perm.info.packageName = tree.perm.info.packageName; 9048 bp.perm.info.name = bp.name; 9049 bp.uid = tree.uid; 9050 } 9051 } 9052 } 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: " + 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: " + bp.name 9065 + " from package " + bp.sourcePackage); 9066 flags |= UPDATE_PERMISSIONS_ALL; 9067 it.remove(); 9068 } 9069 } 9070 } 9071 9072 // Now update the permissions for all packages, in particular 9073 // replace the granted permissions of the system packages. 9074 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9075 for (PackageParser.Package pkg : mPackages.values()) { 9076 if (pkg != pkgInfo) { 9077 // Only replace for packages on requested volume 9078 final String volumeUuid = getVolumeUuidForPackage(pkg); 9079 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9080 && Objects.equals(replaceVolumeUuid, volumeUuid); 9081 grantPermissionsLPw(pkg, replace, changingPkg); 9082 } 9083 } 9084 } 9085 9086 if (pkgInfo != null) { 9087 // Only replace for packages on requested volume 9088 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9089 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9090 && Objects.equals(replaceVolumeUuid, volumeUuid); 9091 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9092 } 9093 } 9094 9095 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9096 String packageOfInterest) { 9097 // IMPORTANT: There are two types of permissions: install and runtime. 9098 // Install time permissions are granted when the app is installed to 9099 // all device users and users added in the future. Runtime permissions 9100 // are granted at runtime explicitly to specific users. Normal and signature 9101 // protected permissions are install time permissions. Dangerous permissions 9102 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9103 // otherwise they are runtime permissions. This function does not manage 9104 // runtime permissions except for the case an app targeting Lollipop MR1 9105 // being upgraded to target a newer SDK, in which case dangerous permissions 9106 // are transformed from install time to runtime ones. 9107 9108 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9109 if (ps == null) { 9110 return; 9111 } 9112 9113 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9114 9115 PermissionsState permissionsState = ps.getPermissionsState(); 9116 PermissionsState origPermissions = permissionsState; 9117 9118 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9119 9120 boolean runtimePermissionsRevoked = false; 9121 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9122 9123 boolean changedInstallPermission = false; 9124 9125 if (replace) { 9126 ps.installPermissionsFixed = false; 9127 if (!ps.isSharedUser()) { 9128 origPermissions = new PermissionsState(permissionsState); 9129 permissionsState.reset(); 9130 } else { 9131 // We need to know only about runtime permission changes since the 9132 // calling code always writes the install permissions state but 9133 // the runtime ones are written only if changed. The only cases of 9134 // changed runtime permissions here are promotion of an install to 9135 // runtime and revocation of a runtime from a shared user. 9136 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9137 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9138 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9139 runtimePermissionsRevoked = true; 9140 } 9141 } 9142 } 9143 9144 permissionsState.setGlobalGids(mGlobalGids); 9145 9146 final int N = pkg.requestedPermissions.size(); 9147 for (int i=0; i<N; i++) { 9148 final String name = pkg.requestedPermissions.get(i); 9149 final BasePermission bp = mSettings.mPermissions.get(name); 9150 9151 if (DEBUG_INSTALL) { 9152 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9153 } 9154 9155 if (bp == null || bp.packageSetting == null) { 9156 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9157 Slog.w(TAG, "Unknown permission " + name 9158 + " in package " + pkg.packageName); 9159 } 9160 continue; 9161 } 9162 9163 final String perm = bp.name; 9164 boolean allowedSig = false; 9165 int grant = GRANT_DENIED; 9166 9167 // Keep track of app op permissions. 9168 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9169 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9170 if (pkgs == null) { 9171 pkgs = new ArraySet<>(); 9172 mAppOpPermissionPackages.put(bp.name, pkgs); 9173 } 9174 pkgs.add(pkg.packageName); 9175 } 9176 9177 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9178 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9179 >= Build.VERSION_CODES.M; 9180 switch (level) { 9181 case PermissionInfo.PROTECTION_NORMAL: { 9182 // For all apps normal permissions are install time ones. 9183 grant = GRANT_INSTALL; 9184 } break; 9185 9186 case PermissionInfo.PROTECTION_DANGEROUS: { 9187 // If a permission review is required for legacy apps we represent 9188 // their permissions as always granted runtime ones since we need 9189 // to keep the review required permission flag per user while an 9190 // install permission's state is shared across all users. 9191 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9192 // For legacy apps dangerous permissions are install time ones. 9193 grant = GRANT_INSTALL; 9194 } else if (origPermissions.hasInstallPermission(bp.name)) { 9195 // For legacy apps that became modern, install becomes runtime. 9196 grant = GRANT_UPGRADE; 9197 } else if (mPromoteSystemApps 9198 && isSystemApp(ps) 9199 && mExistingSystemPackages.contains(ps.name)) { 9200 // For legacy system apps, install becomes runtime. 9201 // We cannot check hasInstallPermission() for system apps since those 9202 // permissions were granted implicitly and not persisted pre-M. 9203 grant = GRANT_UPGRADE; 9204 } else { 9205 // For modern apps keep runtime permissions unchanged. 9206 grant = GRANT_RUNTIME; 9207 } 9208 } break; 9209 9210 case PermissionInfo.PROTECTION_SIGNATURE: { 9211 // For all apps signature permissions are install time ones. 9212 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9213 if (allowedSig) { 9214 grant = GRANT_INSTALL; 9215 } 9216 } break; 9217 } 9218 9219 if (DEBUG_INSTALL) { 9220 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9221 } 9222 9223 if (grant != GRANT_DENIED) { 9224 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9225 // If this is an existing, non-system package, then 9226 // we can't add any new permissions to it. 9227 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9228 // Except... if this is a permission that was added 9229 // to the platform (note: need to only do this when 9230 // updating the platform). 9231 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9232 grant = GRANT_DENIED; 9233 } 9234 } 9235 } 9236 9237 switch (grant) { 9238 case GRANT_INSTALL: { 9239 // Revoke this as runtime permission to handle the case of 9240 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9241 for (int userId : UserManagerService.getInstance().getUserIds()) { 9242 if (origPermissions.getRuntimePermissionState( 9243 bp.name, userId) != null) { 9244 // Revoke the runtime permission and clear the flags. 9245 origPermissions.revokeRuntimePermission(bp, userId); 9246 origPermissions.updatePermissionFlags(bp, userId, 9247 PackageManager.MASK_PERMISSION_FLAGS, 0); 9248 // If we revoked a permission permission, we have to write. 9249 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9250 changedRuntimePermissionUserIds, userId); 9251 } 9252 } 9253 // Grant an install permission. 9254 if (permissionsState.grantInstallPermission(bp) != 9255 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9256 changedInstallPermission = true; 9257 } 9258 } break; 9259 9260 case GRANT_RUNTIME: { 9261 // Grant previously granted runtime permissions. 9262 for (int userId : UserManagerService.getInstance().getUserIds()) { 9263 PermissionState permissionState = origPermissions 9264 .getRuntimePermissionState(bp.name, userId); 9265 int flags = permissionState != null 9266 ? permissionState.getFlags() : 0; 9267 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9268 if (permissionsState.grantRuntimePermission(bp, userId) == 9269 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9270 // If we cannot put the permission as it was, we have to write. 9271 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9272 changedRuntimePermissionUserIds, userId); 9273 } 9274 // If the app supports runtime permissions no need for a review. 9275 if (Build.PERMISSIONS_REVIEW_REQUIRED 9276 && appSupportsRuntimePermissions 9277 && (flags & PackageManager 9278 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9279 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9280 // Since we changed the flags, we have to write. 9281 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9282 changedRuntimePermissionUserIds, userId); 9283 } 9284 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9285 && !appSupportsRuntimePermissions) { 9286 // For legacy apps that need a permission review, every new 9287 // runtime permission is granted but it is pending a review. 9288 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9289 permissionsState.grantRuntimePermission(bp, userId); 9290 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9291 // We changed the permission and flags, hence have to write. 9292 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9293 changedRuntimePermissionUserIds, userId); 9294 } 9295 } 9296 // Propagate the permission flags. 9297 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9298 } 9299 } break; 9300 9301 case GRANT_UPGRADE: { 9302 // Grant runtime permissions for a previously held install permission. 9303 PermissionState permissionState = origPermissions 9304 .getInstallPermissionState(bp.name); 9305 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9306 9307 if (origPermissions.revokeInstallPermission(bp) 9308 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9309 // We will be transferring the permission flags, so clear them. 9310 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9311 PackageManager.MASK_PERMISSION_FLAGS, 0); 9312 changedInstallPermission = true; 9313 } 9314 9315 // If the permission is not to be promoted to runtime we ignore it and 9316 // also its other flags as they are not applicable to install permissions. 9317 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9318 for (int userId : currentUserIds) { 9319 if (permissionsState.grantRuntimePermission(bp, userId) != 9320 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9321 // Transfer the permission flags. 9322 permissionsState.updatePermissionFlags(bp, userId, 9323 flags, flags); 9324 // If we granted the permission, we have to write. 9325 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9326 changedRuntimePermissionUserIds, userId); 9327 } 9328 } 9329 } 9330 } break; 9331 9332 default: { 9333 if (packageOfInterest == null 9334 || packageOfInterest.equals(pkg.packageName)) { 9335 Slog.w(TAG, "Not granting permission " + perm 9336 + " to package " + pkg.packageName 9337 + " because it was previously installed without"); 9338 } 9339 } break; 9340 } 9341 } else { 9342 if (permissionsState.revokeInstallPermission(bp) != 9343 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9344 // Also drop the permission flags. 9345 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9346 PackageManager.MASK_PERMISSION_FLAGS, 0); 9347 changedInstallPermission = true; 9348 Slog.i(TAG, "Un-granting permission " + perm 9349 + " from package " + pkg.packageName 9350 + " (protectionLevel=" + bp.protectionLevel 9351 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9352 + ")"); 9353 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9354 // Don't print warning for app op permissions, since it is fine for them 9355 // not to be granted, there is a UI for the user to decide. 9356 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9357 Slog.w(TAG, "Not granting permission " + perm 9358 + " to package " + pkg.packageName 9359 + " (protectionLevel=" + bp.protectionLevel 9360 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9361 + ")"); 9362 } 9363 } 9364 } 9365 } 9366 9367 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9368 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9369 // This is the first that we have heard about this package, so the 9370 // permissions we have now selected are fixed until explicitly 9371 // changed. 9372 ps.installPermissionsFixed = true; 9373 } 9374 9375 // Persist the runtime permissions state for users with changes. If permissions 9376 // were revoked because no app in the shared user declares them we have to 9377 // write synchronously to avoid losing runtime permissions state. 9378 for (int userId : changedRuntimePermissionUserIds) { 9379 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9380 } 9381 9382 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9383 } 9384 9385 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9386 boolean allowed = false; 9387 final int NP = PackageParser.NEW_PERMISSIONS.length; 9388 for (int ip=0; ip<NP; ip++) { 9389 final PackageParser.NewPermissionInfo npi 9390 = PackageParser.NEW_PERMISSIONS[ip]; 9391 if (npi.name.equals(perm) 9392 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9393 allowed = true; 9394 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9395 + pkg.packageName); 9396 break; 9397 } 9398 } 9399 return allowed; 9400 } 9401 9402 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9403 BasePermission bp, PermissionsState origPermissions) { 9404 boolean allowed; 9405 allowed = (compareSignatures( 9406 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9407 == PackageManager.SIGNATURE_MATCH) 9408 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9409 == PackageManager.SIGNATURE_MATCH); 9410 if (!allowed && (bp.protectionLevel 9411 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9412 if (isSystemApp(pkg)) { 9413 // For updated system applications, a system permission 9414 // is granted only if it had been defined by the original application. 9415 if (pkg.isUpdatedSystemApp()) { 9416 final PackageSetting sysPs = mSettings 9417 .getDisabledSystemPkgLPr(pkg.packageName); 9418 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9419 // If the original was granted this permission, we take 9420 // that grant decision as read and propagate it to the 9421 // update. 9422 if (sysPs.isPrivileged()) { 9423 allowed = true; 9424 } 9425 } else { 9426 // The system apk may have been updated with an older 9427 // version of the one on the data partition, but which 9428 // granted a new system permission that it didn't have 9429 // before. In this case we do want to allow the app to 9430 // now get the new permission if the ancestral apk is 9431 // privileged to get it. 9432 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9433 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9434 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9435 allowed = true; 9436 break; 9437 } 9438 } 9439 } 9440 // Also if a privileged parent package on the system image or any of 9441 // its children requested a privileged permission, the updated child 9442 // packages can also get the permission. 9443 if (pkg.parentPackage != null) { 9444 final PackageSetting disabledSysParentPs = mSettings 9445 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9446 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9447 && disabledSysParentPs.isPrivileged()) { 9448 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9449 allowed = true; 9450 } else if (disabledSysParentPs.pkg.childPackages != null) { 9451 final int count = disabledSysParentPs.pkg.childPackages.size(); 9452 for (int i = 0; i < count; i++) { 9453 PackageParser.Package disabledSysChildPkg = 9454 disabledSysParentPs.pkg.childPackages.get(i); 9455 if (isPackageRequestingPermission(disabledSysChildPkg, 9456 perm)) { 9457 allowed = true; 9458 break; 9459 } 9460 } 9461 } 9462 } 9463 } 9464 } 9465 } else { 9466 allowed = isPrivilegedApp(pkg); 9467 } 9468 } 9469 } 9470 if (!allowed) { 9471 if (!allowed && (bp.protectionLevel 9472 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9473 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9474 // If this was a previously normal/dangerous permission that got moved 9475 // to a system permission as part of the runtime permission redesign, then 9476 // we still want to blindly grant it to old apps. 9477 allowed = true; 9478 } 9479 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9480 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9481 // If this permission is to be granted to the system installer and 9482 // this app is an installer, then it gets the permission. 9483 allowed = true; 9484 } 9485 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9486 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9487 // If this permission is to be granted to the system verifier and 9488 // this app is a verifier, then it gets the permission. 9489 allowed = true; 9490 } 9491 if (!allowed && (bp.protectionLevel 9492 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9493 && isSystemApp(pkg)) { 9494 // Any pre-installed system app is allowed to get this permission. 9495 allowed = true; 9496 } 9497 if (!allowed && (bp.protectionLevel 9498 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9499 // For development permissions, a development permission 9500 // is granted only if it was already granted. 9501 allowed = origPermissions.hasInstallPermission(perm); 9502 } 9503 } 9504 return allowed; 9505 } 9506 9507 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9508 final int permCount = pkg.requestedPermissions.size(); 9509 for (int j = 0; j < permCount; j++) { 9510 String requestedPermission = pkg.requestedPermissions.get(j); 9511 if (permission.equals(requestedPermission)) { 9512 return true; 9513 } 9514 } 9515 return false; 9516 } 9517 9518 final class ActivityIntentResolver 9519 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9520 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9521 boolean defaultOnly, int userId) { 9522 if (!sUserManager.exists(userId)) return null; 9523 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9524 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9525 } 9526 9527 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9528 int userId) { 9529 if (!sUserManager.exists(userId)) return null; 9530 mFlags = flags; 9531 return super.queryIntent(intent, resolvedType, 9532 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9533 } 9534 9535 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9536 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9537 if (!sUserManager.exists(userId)) return null; 9538 if (packageActivities == null) { 9539 return null; 9540 } 9541 mFlags = flags; 9542 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9543 final int N = packageActivities.size(); 9544 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9545 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9546 9547 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9548 for (int i = 0; i < N; ++i) { 9549 intentFilters = packageActivities.get(i).intents; 9550 if (intentFilters != null && intentFilters.size() > 0) { 9551 PackageParser.ActivityIntentInfo[] array = 9552 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9553 intentFilters.toArray(array); 9554 listCut.add(array); 9555 } 9556 } 9557 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9558 } 9559 9560 public final void addActivity(PackageParser.Activity a, String type) { 9561 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9562 mActivities.put(a.getComponentName(), a); 9563 if (DEBUG_SHOW_INFO) 9564 Log.v( 9565 TAG, " " + type + " " + 9566 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9567 if (DEBUG_SHOW_INFO) 9568 Log.v(TAG, " Class=" + a.info.name); 9569 final int NI = a.intents.size(); 9570 for (int j=0; j<NI; j++) { 9571 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9572 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9573 intent.setPriority(0); 9574 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9575 + a.className + " with priority > 0, forcing to 0"); 9576 } 9577 if (DEBUG_SHOW_INFO) { 9578 Log.v(TAG, " IntentFilter:"); 9579 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9580 } 9581 if (!intent.debugCheck()) { 9582 Log.w(TAG, "==> For Activity " + a.info.name); 9583 } 9584 addFilter(intent); 9585 } 9586 } 9587 9588 public final void removeActivity(PackageParser.Activity a, String type) { 9589 mActivities.remove(a.getComponentName()); 9590 if (DEBUG_SHOW_INFO) { 9591 Log.v(TAG, " " + type + " " 9592 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9593 : a.info.name) + ":"); 9594 Log.v(TAG, " Class=" + a.info.name); 9595 } 9596 final int NI = a.intents.size(); 9597 for (int j=0; j<NI; j++) { 9598 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9599 if (DEBUG_SHOW_INFO) { 9600 Log.v(TAG, " IntentFilter:"); 9601 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9602 } 9603 removeFilter(intent); 9604 } 9605 } 9606 9607 @Override 9608 protected boolean allowFilterResult( 9609 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9610 ActivityInfo filterAi = filter.activity.info; 9611 for (int i=dest.size()-1; i>=0; i--) { 9612 ActivityInfo destAi = dest.get(i).activityInfo; 9613 if (destAi.name == filterAi.name 9614 && destAi.packageName == filterAi.packageName) { 9615 return false; 9616 } 9617 } 9618 return true; 9619 } 9620 9621 @Override 9622 protected ActivityIntentInfo[] newArray(int size) { 9623 return new ActivityIntentInfo[size]; 9624 } 9625 9626 @Override 9627 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9628 if (!sUserManager.exists(userId)) return true; 9629 PackageParser.Package p = filter.activity.owner; 9630 if (p != null) { 9631 PackageSetting ps = (PackageSetting)p.mExtras; 9632 if (ps != null) { 9633 // System apps are never considered stopped for purposes of 9634 // filtering, because there may be no way for the user to 9635 // actually re-launch them. 9636 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9637 && ps.getStopped(userId); 9638 } 9639 } 9640 return false; 9641 } 9642 9643 @Override 9644 protected boolean isPackageForFilter(String packageName, 9645 PackageParser.ActivityIntentInfo info) { 9646 return packageName.equals(info.activity.owner.packageName); 9647 } 9648 9649 @Override 9650 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9651 int match, int userId) { 9652 if (!sUserManager.exists(userId)) return null; 9653 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9654 return null; 9655 } 9656 final PackageParser.Activity activity = info.activity; 9657 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9658 if (ps == null) { 9659 return null; 9660 } 9661 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9662 ps.readUserState(userId), userId); 9663 if (ai == null) { 9664 return null; 9665 } 9666 final ResolveInfo res = new ResolveInfo(); 9667 res.activityInfo = ai; 9668 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9669 res.filter = info; 9670 } 9671 if (info != null) { 9672 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9673 } 9674 res.priority = info.getPriority(); 9675 res.preferredOrder = activity.owner.mPreferredOrder; 9676 //System.out.println("Result: " + res.activityInfo.className + 9677 // " = " + res.priority); 9678 res.match = match; 9679 res.isDefault = info.hasDefault; 9680 res.labelRes = info.labelRes; 9681 res.nonLocalizedLabel = info.nonLocalizedLabel; 9682 if (userNeedsBadging(userId)) { 9683 res.noResourceId = true; 9684 } else { 9685 res.icon = info.icon; 9686 } 9687 res.iconResourceId = info.icon; 9688 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9689 return res; 9690 } 9691 9692 @Override 9693 protected void sortResults(List<ResolveInfo> results) { 9694 Collections.sort(results, mResolvePrioritySorter); 9695 } 9696 9697 @Override 9698 protected void dumpFilter(PrintWriter out, String prefix, 9699 PackageParser.ActivityIntentInfo filter) { 9700 out.print(prefix); out.print( 9701 Integer.toHexString(System.identityHashCode(filter.activity))); 9702 out.print(' '); 9703 filter.activity.printComponentShortName(out); 9704 out.print(" filter "); 9705 out.println(Integer.toHexString(System.identityHashCode(filter))); 9706 } 9707 9708 @Override 9709 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9710 return filter.activity; 9711 } 9712 9713 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9714 PackageParser.Activity activity = (PackageParser.Activity)label; 9715 out.print(prefix); out.print( 9716 Integer.toHexString(System.identityHashCode(activity))); 9717 out.print(' '); 9718 activity.printComponentShortName(out); 9719 if (count > 1) { 9720 out.print(" ("); out.print(count); out.print(" filters)"); 9721 } 9722 out.println(); 9723 } 9724 9725// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9726// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9727// final List<ResolveInfo> retList = Lists.newArrayList(); 9728// while (i.hasNext()) { 9729// final ResolveInfo resolveInfo = i.next(); 9730// if (isEnabledLP(resolveInfo.activityInfo)) { 9731// retList.add(resolveInfo); 9732// } 9733// } 9734// return retList; 9735// } 9736 9737 // Keys are String (activity class name), values are Activity. 9738 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9739 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9740 private int mFlags; 9741 } 9742 9743 private final class ServiceIntentResolver 9744 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9745 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9746 boolean defaultOnly, int userId) { 9747 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9748 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9749 } 9750 9751 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9752 int userId) { 9753 if (!sUserManager.exists(userId)) return null; 9754 mFlags = flags; 9755 return super.queryIntent(intent, resolvedType, 9756 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9757 } 9758 9759 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9760 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9761 if (!sUserManager.exists(userId)) return null; 9762 if (packageServices == null) { 9763 return null; 9764 } 9765 mFlags = flags; 9766 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9767 final int N = packageServices.size(); 9768 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9769 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9770 9771 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9772 for (int i = 0; i < N; ++i) { 9773 intentFilters = packageServices.get(i).intents; 9774 if (intentFilters != null && intentFilters.size() > 0) { 9775 PackageParser.ServiceIntentInfo[] array = 9776 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9777 intentFilters.toArray(array); 9778 listCut.add(array); 9779 } 9780 } 9781 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9782 } 9783 9784 public final void addService(PackageParser.Service s) { 9785 mServices.put(s.getComponentName(), s); 9786 if (DEBUG_SHOW_INFO) { 9787 Log.v(TAG, " " 9788 + (s.info.nonLocalizedLabel != null 9789 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9790 Log.v(TAG, " Class=" + s.info.name); 9791 } 9792 final int NI = s.intents.size(); 9793 int j; 9794 for (j=0; j<NI; j++) { 9795 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9796 if (DEBUG_SHOW_INFO) { 9797 Log.v(TAG, " IntentFilter:"); 9798 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9799 } 9800 if (!intent.debugCheck()) { 9801 Log.w(TAG, "==> For Service " + s.info.name); 9802 } 9803 addFilter(intent); 9804 } 9805 } 9806 9807 public final void removeService(PackageParser.Service s) { 9808 mServices.remove(s.getComponentName()); 9809 if (DEBUG_SHOW_INFO) { 9810 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9811 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9812 Log.v(TAG, " Class=" + s.info.name); 9813 } 9814 final int NI = s.intents.size(); 9815 int j; 9816 for (j=0; j<NI; j++) { 9817 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9818 if (DEBUG_SHOW_INFO) { 9819 Log.v(TAG, " IntentFilter:"); 9820 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9821 } 9822 removeFilter(intent); 9823 } 9824 } 9825 9826 @Override 9827 protected boolean allowFilterResult( 9828 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9829 ServiceInfo filterSi = filter.service.info; 9830 for (int i=dest.size()-1; i>=0; i--) { 9831 ServiceInfo destAi = dest.get(i).serviceInfo; 9832 if (destAi.name == filterSi.name 9833 && destAi.packageName == filterSi.packageName) { 9834 return false; 9835 } 9836 } 9837 return true; 9838 } 9839 9840 @Override 9841 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9842 return new PackageParser.ServiceIntentInfo[size]; 9843 } 9844 9845 @Override 9846 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9847 if (!sUserManager.exists(userId)) return true; 9848 PackageParser.Package p = filter.service.owner; 9849 if (p != null) { 9850 PackageSetting ps = (PackageSetting)p.mExtras; 9851 if (ps != null) { 9852 // System apps are never considered stopped for purposes of 9853 // filtering, because there may be no way for the user to 9854 // actually re-launch them. 9855 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9856 && ps.getStopped(userId); 9857 } 9858 } 9859 return false; 9860 } 9861 9862 @Override 9863 protected boolean isPackageForFilter(String packageName, 9864 PackageParser.ServiceIntentInfo info) { 9865 return packageName.equals(info.service.owner.packageName); 9866 } 9867 9868 @Override 9869 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9870 int match, int userId) { 9871 if (!sUserManager.exists(userId)) return null; 9872 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9873 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9874 return null; 9875 } 9876 final PackageParser.Service service = info.service; 9877 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9878 if (ps == null) { 9879 return null; 9880 } 9881 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9882 ps.readUserState(userId), userId); 9883 if (si == null) { 9884 return null; 9885 } 9886 final ResolveInfo res = new ResolveInfo(); 9887 res.serviceInfo = si; 9888 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9889 res.filter = filter; 9890 } 9891 res.priority = info.getPriority(); 9892 res.preferredOrder = service.owner.mPreferredOrder; 9893 res.match = match; 9894 res.isDefault = info.hasDefault; 9895 res.labelRes = info.labelRes; 9896 res.nonLocalizedLabel = info.nonLocalizedLabel; 9897 res.icon = info.icon; 9898 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9899 return res; 9900 } 9901 9902 @Override 9903 protected void sortResults(List<ResolveInfo> results) { 9904 Collections.sort(results, mResolvePrioritySorter); 9905 } 9906 9907 @Override 9908 protected void dumpFilter(PrintWriter out, String prefix, 9909 PackageParser.ServiceIntentInfo filter) { 9910 out.print(prefix); out.print( 9911 Integer.toHexString(System.identityHashCode(filter.service))); 9912 out.print(' '); 9913 filter.service.printComponentShortName(out); 9914 out.print(" filter "); 9915 out.println(Integer.toHexString(System.identityHashCode(filter))); 9916 } 9917 9918 @Override 9919 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9920 return filter.service; 9921 } 9922 9923 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9924 PackageParser.Service service = (PackageParser.Service)label; 9925 out.print(prefix); out.print( 9926 Integer.toHexString(System.identityHashCode(service))); 9927 out.print(' '); 9928 service.printComponentShortName(out); 9929 if (count > 1) { 9930 out.print(" ("); out.print(count); out.print(" filters)"); 9931 } 9932 out.println(); 9933 } 9934 9935// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9936// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9937// final List<ResolveInfo> retList = Lists.newArrayList(); 9938// while (i.hasNext()) { 9939// final ResolveInfo resolveInfo = (ResolveInfo) i; 9940// if (isEnabledLP(resolveInfo.serviceInfo)) { 9941// retList.add(resolveInfo); 9942// } 9943// } 9944// return retList; 9945// } 9946 9947 // Keys are String (activity class name), values are Activity. 9948 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9949 = new ArrayMap<ComponentName, PackageParser.Service>(); 9950 private int mFlags; 9951 }; 9952 9953 private final class ProviderIntentResolver 9954 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9955 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9956 boolean defaultOnly, int userId) { 9957 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9958 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9959 } 9960 9961 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9962 int userId) { 9963 if (!sUserManager.exists(userId)) 9964 return null; 9965 mFlags = flags; 9966 return super.queryIntent(intent, resolvedType, 9967 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9968 } 9969 9970 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9971 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9972 if (!sUserManager.exists(userId)) 9973 return null; 9974 if (packageProviders == null) { 9975 return null; 9976 } 9977 mFlags = flags; 9978 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9979 final int N = packageProviders.size(); 9980 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9981 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9982 9983 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9984 for (int i = 0; i < N; ++i) { 9985 intentFilters = packageProviders.get(i).intents; 9986 if (intentFilters != null && intentFilters.size() > 0) { 9987 PackageParser.ProviderIntentInfo[] array = 9988 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9989 intentFilters.toArray(array); 9990 listCut.add(array); 9991 } 9992 } 9993 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9994 } 9995 9996 public final void addProvider(PackageParser.Provider p) { 9997 if (mProviders.containsKey(p.getComponentName())) { 9998 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9999 return; 10000 } 10001 10002 mProviders.put(p.getComponentName(), p); 10003 if (DEBUG_SHOW_INFO) { 10004 Log.v(TAG, " " 10005 + (p.info.nonLocalizedLabel != null 10006 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10007 Log.v(TAG, " Class=" + p.info.name); 10008 } 10009 final int NI = p.intents.size(); 10010 int j; 10011 for (j = 0; j < NI; j++) { 10012 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10013 if (DEBUG_SHOW_INFO) { 10014 Log.v(TAG, " IntentFilter:"); 10015 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10016 } 10017 if (!intent.debugCheck()) { 10018 Log.w(TAG, "==> For Provider " + p.info.name); 10019 } 10020 addFilter(intent); 10021 } 10022 } 10023 10024 public final void removeProvider(PackageParser.Provider p) { 10025 mProviders.remove(p.getComponentName()); 10026 if (DEBUG_SHOW_INFO) { 10027 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10028 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10029 Log.v(TAG, " Class=" + p.info.name); 10030 } 10031 final int NI = p.intents.size(); 10032 int j; 10033 for (j = 0; j < NI; j++) { 10034 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10035 if (DEBUG_SHOW_INFO) { 10036 Log.v(TAG, " IntentFilter:"); 10037 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10038 } 10039 removeFilter(intent); 10040 } 10041 } 10042 10043 @Override 10044 protected boolean allowFilterResult( 10045 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10046 ProviderInfo filterPi = filter.provider.info; 10047 for (int i = dest.size() - 1; i >= 0; i--) { 10048 ProviderInfo destPi = dest.get(i).providerInfo; 10049 if (destPi.name == filterPi.name 10050 && destPi.packageName == filterPi.packageName) { 10051 return false; 10052 } 10053 } 10054 return true; 10055 } 10056 10057 @Override 10058 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10059 return new PackageParser.ProviderIntentInfo[size]; 10060 } 10061 10062 @Override 10063 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10064 if (!sUserManager.exists(userId)) 10065 return true; 10066 PackageParser.Package p = filter.provider.owner; 10067 if (p != null) { 10068 PackageSetting ps = (PackageSetting) p.mExtras; 10069 if (ps != null) { 10070 // System apps are never considered stopped for purposes of 10071 // filtering, because there may be no way for the user to 10072 // actually re-launch them. 10073 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10074 && ps.getStopped(userId); 10075 } 10076 } 10077 return false; 10078 } 10079 10080 @Override 10081 protected boolean isPackageForFilter(String packageName, 10082 PackageParser.ProviderIntentInfo info) { 10083 return packageName.equals(info.provider.owner.packageName); 10084 } 10085 10086 @Override 10087 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10088 int match, int userId) { 10089 if (!sUserManager.exists(userId)) 10090 return null; 10091 final PackageParser.ProviderIntentInfo info = filter; 10092 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10093 return null; 10094 } 10095 final PackageParser.Provider provider = info.provider; 10096 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10097 if (ps == null) { 10098 return null; 10099 } 10100 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10101 ps.readUserState(userId), userId); 10102 if (pi == null) { 10103 return null; 10104 } 10105 final ResolveInfo res = new ResolveInfo(); 10106 res.providerInfo = pi; 10107 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10108 res.filter = filter; 10109 } 10110 res.priority = info.getPriority(); 10111 res.preferredOrder = provider.owner.mPreferredOrder; 10112 res.match = match; 10113 res.isDefault = info.hasDefault; 10114 res.labelRes = info.labelRes; 10115 res.nonLocalizedLabel = info.nonLocalizedLabel; 10116 res.icon = info.icon; 10117 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10118 return res; 10119 } 10120 10121 @Override 10122 protected void sortResults(List<ResolveInfo> results) { 10123 Collections.sort(results, mResolvePrioritySorter); 10124 } 10125 10126 @Override 10127 protected void dumpFilter(PrintWriter out, String prefix, 10128 PackageParser.ProviderIntentInfo filter) { 10129 out.print(prefix); 10130 out.print( 10131 Integer.toHexString(System.identityHashCode(filter.provider))); 10132 out.print(' '); 10133 filter.provider.printComponentShortName(out); 10134 out.print(" filter "); 10135 out.println(Integer.toHexString(System.identityHashCode(filter))); 10136 } 10137 10138 @Override 10139 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10140 return filter.provider; 10141 } 10142 10143 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10144 PackageParser.Provider provider = (PackageParser.Provider)label; 10145 out.print(prefix); out.print( 10146 Integer.toHexString(System.identityHashCode(provider))); 10147 out.print(' '); 10148 provider.printComponentShortName(out); 10149 if (count > 1) { 10150 out.print(" ("); out.print(count); out.print(" filters)"); 10151 } 10152 out.println(); 10153 } 10154 10155 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10156 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10157 private int mFlags; 10158 } 10159 10160 private static final class EphemeralIntentResolver 10161 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10162 @Override 10163 protected EphemeralResolveIntentInfo[] newArray(int size) { 10164 return new EphemeralResolveIntentInfo[size]; 10165 } 10166 10167 @Override 10168 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10169 return true; 10170 } 10171 10172 @Override 10173 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10174 int userId) { 10175 if (!sUserManager.exists(userId)) { 10176 return null; 10177 } 10178 return info.getEphemeralResolveInfo(); 10179 } 10180 } 10181 10182 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10183 new Comparator<ResolveInfo>() { 10184 public int compare(ResolveInfo r1, ResolveInfo r2) { 10185 int v1 = r1.priority; 10186 int v2 = r2.priority; 10187 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10188 if (v1 != v2) { 10189 return (v1 > v2) ? -1 : 1; 10190 } 10191 v1 = r1.preferredOrder; 10192 v2 = r2.preferredOrder; 10193 if (v1 != v2) { 10194 return (v1 > v2) ? -1 : 1; 10195 } 10196 if (r1.isDefault != r2.isDefault) { 10197 return r1.isDefault ? -1 : 1; 10198 } 10199 v1 = r1.match; 10200 v2 = r2.match; 10201 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10202 if (v1 != v2) { 10203 return (v1 > v2) ? -1 : 1; 10204 } 10205 if (r1.system != r2.system) { 10206 return r1.system ? -1 : 1; 10207 } 10208 if (r1.activityInfo != null) { 10209 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10210 } 10211 if (r1.serviceInfo != null) { 10212 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10213 } 10214 if (r1.providerInfo != null) { 10215 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10216 } 10217 return 0; 10218 } 10219 }; 10220 10221 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10222 new Comparator<ProviderInfo>() { 10223 public int compare(ProviderInfo p1, ProviderInfo p2) { 10224 final int v1 = p1.initOrder; 10225 final int v2 = p2.initOrder; 10226 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10227 } 10228 }; 10229 10230 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10231 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10232 final int[] userIds) { 10233 mHandler.post(new Runnable() { 10234 @Override 10235 public void run() { 10236 try { 10237 final IActivityManager am = ActivityManagerNative.getDefault(); 10238 if (am == null) return; 10239 final int[] resolvedUserIds; 10240 if (userIds == null) { 10241 resolvedUserIds = am.getRunningUserIds(); 10242 } else { 10243 resolvedUserIds = userIds; 10244 } 10245 for (int id : resolvedUserIds) { 10246 final Intent intent = new Intent(action, 10247 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10248 if (extras != null) { 10249 intent.putExtras(extras); 10250 } 10251 if (targetPkg != null) { 10252 intent.setPackage(targetPkg); 10253 } 10254 // Modify the UID when posting to other users 10255 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10256 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10257 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10258 intent.putExtra(Intent.EXTRA_UID, uid); 10259 } 10260 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10261 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10262 if (DEBUG_BROADCASTS) { 10263 RuntimeException here = new RuntimeException("here"); 10264 here.fillInStackTrace(); 10265 Slog.d(TAG, "Sending to user " + id + ": " 10266 + intent.toShortString(false, true, false, false) 10267 + " " + intent.getExtras(), here); 10268 } 10269 am.broadcastIntent(null, intent, null, finishedReceiver, 10270 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10271 null, finishedReceiver != null, false, id); 10272 } 10273 } catch (RemoteException ex) { 10274 } 10275 } 10276 }); 10277 } 10278 10279 /** 10280 * Check if the external storage media is available. This is true if there 10281 * is a mounted external storage medium or if the external storage is 10282 * emulated. 10283 */ 10284 private boolean isExternalMediaAvailable() { 10285 return mMediaMounted || Environment.isExternalStorageEmulated(); 10286 } 10287 10288 @Override 10289 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10290 // writer 10291 synchronized (mPackages) { 10292 if (!isExternalMediaAvailable()) { 10293 // If the external storage is no longer mounted at this point, 10294 // the caller may not have been able to delete all of this 10295 // packages files and can not delete any more. Bail. 10296 return null; 10297 } 10298 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10299 if (lastPackage != null) { 10300 pkgs.remove(lastPackage); 10301 } 10302 if (pkgs.size() > 0) { 10303 return pkgs.get(0); 10304 } 10305 } 10306 return null; 10307 } 10308 10309 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10310 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10311 userId, andCode ? 1 : 0, packageName); 10312 if (mSystemReady) { 10313 msg.sendToTarget(); 10314 } else { 10315 if (mPostSystemReadyMessages == null) { 10316 mPostSystemReadyMessages = new ArrayList<>(); 10317 } 10318 mPostSystemReadyMessages.add(msg); 10319 } 10320 } 10321 10322 void startCleaningPackages() { 10323 // reader 10324 synchronized (mPackages) { 10325 if (!isExternalMediaAvailable()) { 10326 return; 10327 } 10328 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10329 return; 10330 } 10331 } 10332 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10333 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10334 IActivityManager am = ActivityManagerNative.getDefault(); 10335 if (am != null) { 10336 try { 10337 am.startService(null, intent, null, mContext.getOpPackageName(), 10338 UserHandle.USER_SYSTEM); 10339 } catch (RemoteException e) { 10340 } 10341 } 10342 } 10343 10344 @Override 10345 public void installPackage(String originPath, IPackageInstallObserver2 observer, 10346 int installFlags, String installerPackageName, VerificationParams verificationParams, 10347 String packageAbiOverride) { 10348 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 10349 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 10350 } 10351 10352 @Override 10353 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10354 int installFlags, String installerPackageName, VerificationParams verificationParams, 10355 String packageAbiOverride, int userId) { 10356 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10357 10358 final int callingUid = Binder.getCallingUid(); 10359 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 10360 10361 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10362 try { 10363 if (observer != null) { 10364 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10365 } 10366 } catch (RemoteException re) { 10367 } 10368 return; 10369 } 10370 10371 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10372 installFlags |= PackageManager.INSTALL_FROM_ADB; 10373 10374 } else { 10375 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10376 // about installerPackageName. 10377 10378 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10379 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10380 } 10381 10382 UserHandle user; 10383 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10384 user = UserHandle.ALL; 10385 } else { 10386 user = new UserHandle(userId); 10387 } 10388 10389 // Only system components can circumvent runtime permissions when installing. 10390 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10391 && mContext.checkCallingOrSelfPermission(Manifest.permission 10392 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10393 throw new SecurityException("You need the " 10394 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10395 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10396 } 10397 10398 verificationParams.setInstallerUid(callingUid); 10399 10400 final File originFile = new File(originPath); 10401 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10402 10403 final Message msg = mHandler.obtainMessage(INIT_COPY); 10404 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10405 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10406 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10407 msg.obj = params; 10408 10409 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10410 System.identityHashCode(msg.obj)); 10411 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10412 System.identityHashCode(msg.obj)); 10413 10414 mHandler.sendMessage(msg); 10415 } 10416 10417 void installStage(String packageName, File stagedDir, String stagedCid, 10418 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10419 String installerPackageName, int installerUid, UserHandle user) { 10420 if (DEBUG_EPHEMERAL) { 10421 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10422 Slog.d(TAG, "Ephemeral install of " + packageName); 10423 } 10424 } 10425 final VerificationParams verifParams = new VerificationParams( 10426 null, sessionParams.originatingUri, sessionParams.referrerUri, 10427 sessionParams.originatingUid); 10428 verifParams.setInstallerUid(installerUid); 10429 10430 final OriginInfo origin; 10431 if (stagedDir != null) { 10432 origin = OriginInfo.fromStagedFile(stagedDir); 10433 } else { 10434 origin = OriginInfo.fromStagedContainer(stagedCid); 10435 } 10436 10437 final Message msg = mHandler.obtainMessage(INIT_COPY); 10438 final InstallParams params = new InstallParams(origin, null, observer, 10439 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10440 verifParams, user, sessionParams.abiOverride, 10441 sessionParams.grantedRuntimePermissions); 10442 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10443 msg.obj = params; 10444 10445 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10446 System.identityHashCode(msg.obj)); 10447 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10448 System.identityHashCode(msg.obj)); 10449 10450 mHandler.sendMessage(msg); 10451 } 10452 10453 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10454 Bundle extras = new Bundle(1); 10455 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10456 10457 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10458 packageName, extras, 0, null, null, new int[] {userId}); 10459 try { 10460 IActivityManager am = ActivityManagerNative.getDefault(); 10461 final boolean isSystem = 10462 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10463 if (isSystem && am.isUserRunning(userId, 0)) { 10464 // The just-installed/enabled app is bundled on the system, so presumed 10465 // to be able to run automatically without needing an explicit launch. 10466 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10467 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10468 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10469 .setPackage(packageName); 10470 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10471 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10472 } 10473 } catch (RemoteException e) { 10474 // shouldn't happen 10475 Slog.w(TAG, "Unable to bootstrap installed package", e); 10476 } 10477 } 10478 10479 @Override 10480 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10481 int userId) { 10482 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10483 PackageSetting pkgSetting; 10484 final int uid = Binder.getCallingUid(); 10485 enforceCrossUserPermission(uid, userId, true, true, 10486 "setApplicationHiddenSetting for user " + userId); 10487 10488 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10489 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10490 return false; 10491 } 10492 10493 long callingId = Binder.clearCallingIdentity(); 10494 try { 10495 boolean sendAdded = false; 10496 boolean sendRemoved = false; 10497 // writer 10498 synchronized (mPackages) { 10499 pkgSetting = mSettings.mPackages.get(packageName); 10500 if (pkgSetting == null) { 10501 return false; 10502 } 10503 if (pkgSetting.getHidden(userId) != hidden) { 10504 pkgSetting.setHidden(hidden, userId); 10505 mSettings.writePackageRestrictionsLPr(userId); 10506 if (hidden) { 10507 sendRemoved = true; 10508 } else { 10509 sendAdded = true; 10510 } 10511 } 10512 } 10513 if (sendAdded) { 10514 sendPackageAddedForUser(packageName, pkgSetting, userId); 10515 return true; 10516 } 10517 if (sendRemoved) { 10518 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10519 "hiding pkg"); 10520 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10521 return true; 10522 } 10523 } finally { 10524 Binder.restoreCallingIdentity(callingId); 10525 } 10526 return false; 10527 } 10528 10529 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10530 int userId) { 10531 final PackageRemovedInfo info = new PackageRemovedInfo(); 10532 info.removedPackage = packageName; 10533 info.removedUsers = new int[] {userId}; 10534 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10535 info.sendBroadcast(false, false, false); 10536 } 10537 10538 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10539 if (pkgList.length > 0) { 10540 Bundle extras = new Bundle(1); 10541 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10542 10543 sendPackageBroadcast( 10544 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10545 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10546 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10547 new int[] {userId}); 10548 } 10549 } 10550 10551 /** 10552 * Returns true if application is not found or there was an error. Otherwise it returns 10553 * the hidden state of the package for the given user. 10554 */ 10555 @Override 10556 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10557 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10558 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10559 false, "getApplicationHidden for user " + userId); 10560 PackageSetting pkgSetting; 10561 long callingId = Binder.clearCallingIdentity(); 10562 try { 10563 // writer 10564 synchronized (mPackages) { 10565 pkgSetting = mSettings.mPackages.get(packageName); 10566 if (pkgSetting == null) { 10567 return true; 10568 } 10569 return pkgSetting.getHidden(userId); 10570 } 10571 } finally { 10572 Binder.restoreCallingIdentity(callingId); 10573 } 10574 } 10575 10576 /** 10577 * @hide 10578 */ 10579 @Override 10580 public int installExistingPackageAsUser(String packageName, int userId) { 10581 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10582 null); 10583 PackageSetting pkgSetting; 10584 final int uid = Binder.getCallingUid(); 10585 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10586 + userId); 10587 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10588 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10589 } 10590 10591 long callingId = Binder.clearCallingIdentity(); 10592 try { 10593 boolean installed = false; 10594 10595 // writer 10596 synchronized (mPackages) { 10597 pkgSetting = mSettings.mPackages.get(packageName); 10598 if (pkgSetting == null) { 10599 return PackageManager.INSTALL_FAILED_INVALID_URI; 10600 } 10601 if (!pkgSetting.getInstalled(userId)) { 10602 pkgSetting.setInstalled(true, userId); 10603 pkgSetting.setHidden(false, userId); 10604 mSettings.writePackageRestrictionsLPr(userId); 10605 if (pkgSetting.pkg != null) { 10606 prepareAppDataAfterInstall(pkgSetting.pkg); 10607 } 10608 installed = true; 10609 } 10610 } 10611 10612 if (installed) { 10613 sendPackageAddedForUser(packageName, pkgSetting, userId); 10614 } 10615 } finally { 10616 Binder.restoreCallingIdentity(callingId); 10617 } 10618 10619 return PackageManager.INSTALL_SUCCEEDED; 10620 } 10621 10622 boolean isUserRestricted(int userId, String restrictionKey) { 10623 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10624 if (restrictions.getBoolean(restrictionKey, false)) { 10625 Log.w(TAG, "User is restricted: " + restrictionKey); 10626 return true; 10627 } 10628 return false; 10629 } 10630 10631 @Override 10632 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10633 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10634 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10635 "setPackageSuspended for user " + userId); 10636 10637 // TODO: investigate and add more restrictions for suspending crucial packages. 10638 if (isPackageDeviceAdmin(packageName, userId)) { 10639 Slog.w(TAG, "Not suspending/un-suspending package \"" + packageName 10640 + "\": has active device admin"); 10641 return false; 10642 } 10643 10644 long callingId = Binder.clearCallingIdentity(); 10645 try { 10646 boolean changed = false; 10647 boolean success = false; 10648 int appId = -1; 10649 synchronized (mPackages) { 10650 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10651 if (pkgSetting != null) { 10652 if (pkgSetting.getSuspended(userId) != suspended) { 10653 pkgSetting.setSuspended(suspended, userId); 10654 mSettings.writePackageRestrictionsLPr(userId); 10655 appId = pkgSetting.appId; 10656 changed = true; 10657 } 10658 success = true; 10659 } 10660 } 10661 10662 if (changed) { 10663 sendPackagesSuspendedForUser(new String[]{packageName}, userId, suspended); 10664 if (suspended) { 10665 killApplication(packageName, UserHandle.getUid(userId, appId), 10666 "suspending package"); 10667 } 10668 } 10669 return success; 10670 } finally { 10671 Binder.restoreCallingIdentity(callingId); 10672 } 10673 } 10674 10675 @Override 10676 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10677 mContext.enforceCallingOrSelfPermission( 10678 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10679 "Only package verification agents can verify applications"); 10680 10681 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10682 final PackageVerificationResponse response = new PackageVerificationResponse( 10683 verificationCode, Binder.getCallingUid()); 10684 msg.arg1 = id; 10685 msg.obj = response; 10686 mHandler.sendMessage(msg); 10687 } 10688 10689 @Override 10690 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10691 long millisecondsToDelay) { 10692 mContext.enforceCallingOrSelfPermission( 10693 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10694 "Only package verification agents can extend verification timeouts"); 10695 10696 final PackageVerificationState state = mPendingVerification.get(id); 10697 final PackageVerificationResponse response = new PackageVerificationResponse( 10698 verificationCodeAtTimeout, Binder.getCallingUid()); 10699 10700 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10701 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10702 } 10703 if (millisecondsToDelay < 0) { 10704 millisecondsToDelay = 0; 10705 } 10706 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10707 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10708 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10709 } 10710 10711 if ((state != null) && !state.timeoutExtended()) { 10712 state.extendTimeout(); 10713 10714 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10715 msg.arg1 = id; 10716 msg.obj = response; 10717 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10718 } 10719 } 10720 10721 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10722 int verificationCode, UserHandle user) { 10723 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10724 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10725 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10726 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10727 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10728 10729 mContext.sendBroadcastAsUser(intent, user, 10730 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10731 } 10732 10733 private ComponentName matchComponentForVerifier(String packageName, 10734 List<ResolveInfo> receivers) { 10735 ActivityInfo targetReceiver = null; 10736 10737 final int NR = receivers.size(); 10738 for (int i = 0; i < NR; i++) { 10739 final ResolveInfo info = receivers.get(i); 10740 if (info.activityInfo == null) { 10741 continue; 10742 } 10743 10744 if (packageName.equals(info.activityInfo.packageName)) { 10745 targetReceiver = info.activityInfo; 10746 break; 10747 } 10748 } 10749 10750 if (targetReceiver == null) { 10751 return null; 10752 } 10753 10754 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10755 } 10756 10757 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10758 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10759 if (pkgInfo.verifiers.length == 0) { 10760 return null; 10761 } 10762 10763 final int N = pkgInfo.verifiers.length; 10764 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10765 for (int i = 0; i < N; i++) { 10766 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10767 10768 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10769 receivers); 10770 if (comp == null) { 10771 continue; 10772 } 10773 10774 final int verifierUid = getUidForVerifier(verifierInfo); 10775 if (verifierUid == -1) { 10776 continue; 10777 } 10778 10779 if (DEBUG_VERIFY) { 10780 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10781 + " with the correct signature"); 10782 } 10783 sufficientVerifiers.add(comp); 10784 verificationState.addSufficientVerifier(verifierUid); 10785 } 10786 10787 return sufficientVerifiers; 10788 } 10789 10790 private int getUidForVerifier(VerifierInfo verifierInfo) { 10791 synchronized (mPackages) { 10792 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10793 if (pkg == null) { 10794 return -1; 10795 } else if (pkg.mSignatures.length != 1) { 10796 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10797 + " has more than one signature; ignoring"); 10798 return -1; 10799 } 10800 10801 /* 10802 * If the public key of the package's signature does not match 10803 * our expected public key, then this is a different package and 10804 * we should skip. 10805 */ 10806 10807 final byte[] expectedPublicKey; 10808 try { 10809 final Signature verifierSig = pkg.mSignatures[0]; 10810 final PublicKey publicKey = verifierSig.getPublicKey(); 10811 expectedPublicKey = publicKey.getEncoded(); 10812 } catch (CertificateException e) { 10813 return -1; 10814 } 10815 10816 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10817 10818 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10819 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10820 + " does not have the expected public key; ignoring"); 10821 return -1; 10822 } 10823 10824 return pkg.applicationInfo.uid; 10825 } 10826 } 10827 10828 @Override 10829 public void finishPackageInstall(int token) { 10830 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10831 10832 if (DEBUG_INSTALL) { 10833 Slog.v(TAG, "BM finishing package install for " + token); 10834 } 10835 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10836 10837 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10838 mHandler.sendMessage(msg); 10839 } 10840 10841 /** 10842 * Get the verification agent timeout. 10843 * 10844 * @return verification timeout in milliseconds 10845 */ 10846 private long getVerificationTimeout() { 10847 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10848 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10849 DEFAULT_VERIFICATION_TIMEOUT); 10850 } 10851 10852 /** 10853 * Get the default verification agent response code. 10854 * 10855 * @return default verification response code 10856 */ 10857 private int getDefaultVerificationResponse() { 10858 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10859 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10860 DEFAULT_VERIFICATION_RESPONSE); 10861 } 10862 10863 /** 10864 * Check whether or not package verification has been enabled. 10865 * 10866 * @return true if verification should be performed 10867 */ 10868 private boolean isVerificationEnabled(int userId, int installFlags) { 10869 if (!DEFAULT_VERIFY_ENABLE) { 10870 return false; 10871 } 10872 // Ephemeral apps don't get the full verification treatment 10873 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10874 if (DEBUG_EPHEMERAL) { 10875 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10876 } 10877 return false; 10878 } 10879 10880 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10881 10882 // Check if installing from ADB 10883 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10884 // Do not run verification in a test harness environment 10885 if (ActivityManager.isRunningInTestHarness()) { 10886 return false; 10887 } 10888 if (ensureVerifyAppsEnabled) { 10889 return true; 10890 } 10891 // Check if the developer does not want package verification for ADB installs 10892 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10893 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10894 return false; 10895 } 10896 } 10897 10898 if (ensureVerifyAppsEnabled) { 10899 return true; 10900 } 10901 10902 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10903 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10904 } 10905 10906 @Override 10907 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10908 throws RemoteException { 10909 mContext.enforceCallingOrSelfPermission( 10910 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10911 "Only intentfilter verification agents can verify applications"); 10912 10913 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10914 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10915 Binder.getCallingUid(), verificationCode, failedDomains); 10916 msg.arg1 = id; 10917 msg.obj = response; 10918 mHandler.sendMessage(msg); 10919 } 10920 10921 @Override 10922 public int getIntentVerificationStatus(String packageName, int userId) { 10923 synchronized (mPackages) { 10924 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10925 } 10926 } 10927 10928 @Override 10929 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10930 mContext.enforceCallingOrSelfPermission( 10931 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10932 10933 boolean result = false; 10934 synchronized (mPackages) { 10935 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10936 } 10937 if (result) { 10938 scheduleWritePackageRestrictionsLocked(userId); 10939 } 10940 return result; 10941 } 10942 10943 @Override 10944 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10945 synchronized (mPackages) { 10946 return mSettings.getIntentFilterVerificationsLPr(packageName); 10947 } 10948 } 10949 10950 @Override 10951 public List<IntentFilter> getAllIntentFilters(String packageName) { 10952 if (TextUtils.isEmpty(packageName)) { 10953 return Collections.<IntentFilter>emptyList(); 10954 } 10955 synchronized (mPackages) { 10956 PackageParser.Package pkg = mPackages.get(packageName); 10957 if (pkg == null || pkg.activities == null) { 10958 return Collections.<IntentFilter>emptyList(); 10959 } 10960 final int count = pkg.activities.size(); 10961 ArrayList<IntentFilter> result = new ArrayList<>(); 10962 for (int n=0; n<count; n++) { 10963 PackageParser.Activity activity = pkg.activities.get(n); 10964 if (activity.intents != null && activity.intents.size() > 0) { 10965 result.addAll(activity.intents); 10966 } 10967 } 10968 return result; 10969 } 10970 } 10971 10972 @Override 10973 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10974 mContext.enforceCallingOrSelfPermission( 10975 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10976 10977 synchronized (mPackages) { 10978 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10979 if (packageName != null) { 10980 result |= updateIntentVerificationStatus(packageName, 10981 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10982 userId); 10983 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10984 packageName, userId); 10985 } 10986 return result; 10987 } 10988 } 10989 10990 @Override 10991 public String getDefaultBrowserPackageName(int userId) { 10992 synchronized (mPackages) { 10993 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10994 } 10995 } 10996 10997 /** 10998 * Get the "allow unknown sources" setting. 10999 * 11000 * @return the current "allow unknown sources" setting 11001 */ 11002 private int getUnknownSourcesSettings() { 11003 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11004 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11005 -1); 11006 } 11007 11008 @Override 11009 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11010 final int uid = Binder.getCallingUid(); 11011 // writer 11012 synchronized (mPackages) { 11013 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11014 if (targetPackageSetting == null) { 11015 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11016 } 11017 11018 PackageSetting installerPackageSetting; 11019 if (installerPackageName != null) { 11020 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11021 if (installerPackageSetting == null) { 11022 throw new IllegalArgumentException("Unknown installer package: " 11023 + installerPackageName); 11024 } 11025 } else { 11026 installerPackageSetting = null; 11027 } 11028 11029 Signature[] callerSignature; 11030 Object obj = mSettings.getUserIdLPr(uid); 11031 if (obj != null) { 11032 if (obj instanceof SharedUserSetting) { 11033 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11034 } else if (obj instanceof PackageSetting) { 11035 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11036 } else { 11037 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11038 } 11039 } else { 11040 throw new SecurityException("Unknown calling UID: " + uid); 11041 } 11042 11043 // Verify: can't set installerPackageName to a package that is 11044 // not signed with the same cert as the caller. 11045 if (installerPackageSetting != null) { 11046 if (compareSignatures(callerSignature, 11047 installerPackageSetting.signatures.mSignatures) 11048 != PackageManager.SIGNATURE_MATCH) { 11049 throw new SecurityException( 11050 "Caller does not have same cert as new installer package " 11051 + installerPackageName); 11052 } 11053 } 11054 11055 // Verify: if target already has an installer package, it must 11056 // be signed with the same cert as the caller. 11057 if (targetPackageSetting.installerPackageName != null) { 11058 PackageSetting setting = mSettings.mPackages.get( 11059 targetPackageSetting.installerPackageName); 11060 // If the currently set package isn't valid, then it's always 11061 // okay to change it. 11062 if (setting != null) { 11063 if (compareSignatures(callerSignature, 11064 setting.signatures.mSignatures) 11065 != PackageManager.SIGNATURE_MATCH) { 11066 throw new SecurityException( 11067 "Caller does not have same cert as old installer package " 11068 + targetPackageSetting.installerPackageName); 11069 } 11070 } 11071 } 11072 11073 // Okay! 11074 targetPackageSetting.installerPackageName = installerPackageName; 11075 scheduleWriteSettingsLocked(); 11076 } 11077 } 11078 11079 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11080 // Queue up an async operation since the package installation may take a little while. 11081 mHandler.post(new Runnable() { 11082 public void run() { 11083 mHandler.removeCallbacks(this); 11084 // Result object to be returned 11085 PackageInstalledInfo res = new PackageInstalledInfo(); 11086 res.returnCode = currentStatus; 11087 res.uid = -1; 11088 res.pkg = null; 11089 res.removedInfo = new PackageRemovedInfo(); 11090 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11091 args.doPreInstall(res.returnCode); 11092 synchronized (mInstallLock) { 11093 installPackageTracedLI(args, res); 11094 } 11095 args.doPostInstall(res.returnCode, res.uid); 11096 } 11097 11098 // A restore should be performed at this point if (a) the install 11099 // succeeded, (b) the operation is not an update, and (c) the new 11100 // package has not opted out of backup participation. 11101 final boolean update = res.removedInfo.removedPackage != null; 11102 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11103 boolean doRestore = !update 11104 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11105 11106 // Set up the post-install work request bookkeeping. This will be used 11107 // and cleaned up by the post-install event handling regardless of whether 11108 // there's a restore pass performed. Token values are >= 1. 11109 int token; 11110 if (mNextInstallToken < 0) mNextInstallToken = 1; 11111 token = mNextInstallToken++; 11112 11113 PostInstallData data = new PostInstallData(args, res); 11114 mRunningInstalls.put(token, data); 11115 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11116 11117 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11118 // Pass responsibility to the Backup Manager. It will perform a 11119 // restore if appropriate, then pass responsibility back to the 11120 // Package Manager to run the post-install observer callbacks 11121 // and broadcasts. 11122 IBackupManager bm = IBackupManager.Stub.asInterface( 11123 ServiceManager.getService(Context.BACKUP_SERVICE)); 11124 if (bm != null) { 11125 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11126 + " to BM for possible restore"); 11127 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11128 try { 11129 // TODO: http://b/22388012 11130 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11131 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11132 } else { 11133 doRestore = false; 11134 } 11135 } catch (RemoteException e) { 11136 // can't happen; the backup manager is local 11137 } catch (Exception e) { 11138 Slog.e(TAG, "Exception trying to enqueue restore", e); 11139 doRestore = false; 11140 } 11141 } else { 11142 Slog.e(TAG, "Backup Manager not found!"); 11143 doRestore = false; 11144 } 11145 } 11146 11147 if (!doRestore) { 11148 // No restore possible, or the Backup Manager was mysteriously not 11149 // available -- just fire the post-install work request directly. 11150 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11151 11152 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11153 11154 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11155 mHandler.sendMessage(msg); 11156 } 11157 } 11158 }); 11159 } 11160 11161 private abstract class HandlerParams { 11162 private static final int MAX_RETRIES = 4; 11163 11164 /** 11165 * Number of times startCopy() has been attempted and had a non-fatal 11166 * error. 11167 */ 11168 private int mRetries = 0; 11169 11170 /** User handle for the user requesting the information or installation. */ 11171 private final UserHandle mUser; 11172 String traceMethod; 11173 int traceCookie; 11174 11175 HandlerParams(UserHandle user) { 11176 mUser = user; 11177 } 11178 11179 UserHandle getUser() { 11180 return mUser; 11181 } 11182 11183 HandlerParams setTraceMethod(String traceMethod) { 11184 this.traceMethod = traceMethod; 11185 return this; 11186 } 11187 11188 HandlerParams setTraceCookie(int traceCookie) { 11189 this.traceCookie = traceCookie; 11190 return this; 11191 } 11192 11193 final boolean startCopy() { 11194 boolean res; 11195 try { 11196 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11197 11198 if (++mRetries > MAX_RETRIES) { 11199 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11200 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11201 handleServiceError(); 11202 return false; 11203 } else { 11204 handleStartCopy(); 11205 res = true; 11206 } 11207 } catch (RemoteException e) { 11208 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11209 mHandler.sendEmptyMessage(MCS_RECONNECT); 11210 res = false; 11211 } 11212 handleReturnCode(); 11213 return res; 11214 } 11215 11216 final void serviceError() { 11217 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11218 handleServiceError(); 11219 handleReturnCode(); 11220 } 11221 11222 abstract void handleStartCopy() throws RemoteException; 11223 abstract void handleServiceError(); 11224 abstract void handleReturnCode(); 11225 } 11226 11227 class MeasureParams extends HandlerParams { 11228 private final PackageStats mStats; 11229 private boolean mSuccess; 11230 11231 private final IPackageStatsObserver mObserver; 11232 11233 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11234 super(new UserHandle(stats.userHandle)); 11235 mObserver = observer; 11236 mStats = stats; 11237 } 11238 11239 @Override 11240 public String toString() { 11241 return "MeasureParams{" 11242 + Integer.toHexString(System.identityHashCode(this)) 11243 + " " + mStats.packageName + "}"; 11244 } 11245 11246 @Override 11247 void handleStartCopy() throws RemoteException { 11248 synchronized (mInstallLock) { 11249 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11250 } 11251 11252 if (mSuccess) { 11253 final boolean mounted; 11254 if (Environment.isExternalStorageEmulated()) { 11255 mounted = true; 11256 } else { 11257 final String status = Environment.getExternalStorageState(); 11258 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11259 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11260 } 11261 11262 if (mounted) { 11263 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11264 11265 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11266 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11267 11268 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11269 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11270 11271 // Always subtract cache size, since it's a subdirectory 11272 mStats.externalDataSize -= mStats.externalCacheSize; 11273 11274 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11275 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11276 11277 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11278 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11279 } 11280 } 11281 } 11282 11283 @Override 11284 void handleReturnCode() { 11285 if (mObserver != null) { 11286 try { 11287 mObserver.onGetStatsCompleted(mStats, mSuccess); 11288 } catch (RemoteException e) { 11289 Slog.i(TAG, "Observer no longer exists."); 11290 } 11291 } 11292 } 11293 11294 @Override 11295 void handleServiceError() { 11296 Slog.e(TAG, "Could not measure application " + mStats.packageName 11297 + " external storage"); 11298 } 11299 } 11300 11301 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11302 throws RemoteException { 11303 long result = 0; 11304 for (File path : paths) { 11305 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11306 } 11307 return result; 11308 } 11309 11310 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11311 for (File path : paths) { 11312 try { 11313 mcs.clearDirectory(path.getAbsolutePath()); 11314 } catch (RemoteException e) { 11315 } 11316 } 11317 } 11318 11319 static class OriginInfo { 11320 /** 11321 * Location where install is coming from, before it has been 11322 * copied/renamed into place. This could be a single monolithic APK 11323 * file, or a cluster directory. This location may be untrusted. 11324 */ 11325 final File file; 11326 final String cid; 11327 11328 /** 11329 * Flag indicating that {@link #file} or {@link #cid} has already been 11330 * staged, meaning downstream users don't need to defensively copy the 11331 * contents. 11332 */ 11333 final boolean staged; 11334 11335 /** 11336 * Flag indicating that {@link #file} or {@link #cid} is an already 11337 * installed app that is being moved. 11338 */ 11339 final boolean existing; 11340 11341 final String resolvedPath; 11342 final File resolvedFile; 11343 11344 static OriginInfo fromNothing() { 11345 return new OriginInfo(null, null, false, false); 11346 } 11347 11348 static OriginInfo fromUntrustedFile(File file) { 11349 return new OriginInfo(file, null, false, false); 11350 } 11351 11352 static OriginInfo fromExistingFile(File file) { 11353 return new OriginInfo(file, null, false, true); 11354 } 11355 11356 static OriginInfo fromStagedFile(File file) { 11357 return new OriginInfo(file, null, true, false); 11358 } 11359 11360 static OriginInfo fromStagedContainer(String cid) { 11361 return new OriginInfo(null, cid, true, false); 11362 } 11363 11364 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11365 this.file = file; 11366 this.cid = cid; 11367 this.staged = staged; 11368 this.existing = existing; 11369 11370 if (cid != null) { 11371 resolvedPath = PackageHelper.getSdDir(cid); 11372 resolvedFile = new File(resolvedPath); 11373 } else if (file != null) { 11374 resolvedPath = file.getAbsolutePath(); 11375 resolvedFile = file; 11376 } else { 11377 resolvedPath = null; 11378 resolvedFile = null; 11379 } 11380 } 11381 } 11382 11383 static class MoveInfo { 11384 final int moveId; 11385 final String fromUuid; 11386 final String toUuid; 11387 final String packageName; 11388 final String dataAppName; 11389 final int appId; 11390 final String seinfo; 11391 final int targetSdkVersion; 11392 11393 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11394 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11395 this.moveId = moveId; 11396 this.fromUuid = fromUuid; 11397 this.toUuid = toUuid; 11398 this.packageName = packageName; 11399 this.dataAppName = dataAppName; 11400 this.appId = appId; 11401 this.seinfo = seinfo; 11402 this.targetSdkVersion = targetSdkVersion; 11403 } 11404 } 11405 11406 class InstallParams extends HandlerParams { 11407 final OriginInfo origin; 11408 final MoveInfo move; 11409 final IPackageInstallObserver2 observer; 11410 int installFlags; 11411 final String installerPackageName; 11412 final String volumeUuid; 11413 final VerificationParams verificationParams; 11414 private InstallArgs mArgs; 11415 private int mRet; 11416 final String packageAbiOverride; 11417 final String[] grantedRuntimePermissions; 11418 11419 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11420 int installFlags, String installerPackageName, String volumeUuid, 11421 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11422 String[] grantedPermissions) { 11423 super(user); 11424 this.origin = origin; 11425 this.move = move; 11426 this.observer = observer; 11427 this.installFlags = installFlags; 11428 this.installerPackageName = installerPackageName; 11429 this.volumeUuid = volumeUuid; 11430 this.verificationParams = verificationParams; 11431 this.packageAbiOverride = packageAbiOverride; 11432 this.grantedRuntimePermissions = grantedPermissions; 11433 } 11434 11435 @Override 11436 public String toString() { 11437 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11438 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11439 } 11440 11441 private int installLocationPolicy(PackageInfoLite pkgLite) { 11442 String packageName = pkgLite.packageName; 11443 int installLocation = pkgLite.installLocation; 11444 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11445 // reader 11446 synchronized (mPackages) { 11447 PackageParser.Package pkg = mPackages.get(packageName); 11448 if (pkg != null) { 11449 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11450 // Check for downgrading. 11451 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11452 try { 11453 checkDowngrade(pkg, pkgLite); 11454 } catch (PackageManagerException e) { 11455 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11456 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11457 } 11458 } 11459 // Check for updated system application. 11460 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11461 if (onSd) { 11462 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11463 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11464 } 11465 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11466 } else { 11467 if (onSd) { 11468 // Install flag overrides everything. 11469 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11470 } 11471 // If current upgrade specifies particular preference 11472 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11473 // Application explicitly specified internal. 11474 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11475 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11476 // App explictly prefers external. Let policy decide 11477 } else { 11478 // Prefer previous location 11479 if (isExternal(pkg)) { 11480 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11481 } 11482 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11483 } 11484 } 11485 } else { 11486 // Invalid install. Return error code 11487 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11488 } 11489 } 11490 } 11491 // All the special cases have been taken care of. 11492 // Return result based on recommended install location. 11493 if (onSd) { 11494 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11495 } 11496 return pkgLite.recommendedInstallLocation; 11497 } 11498 11499 /* 11500 * Invoke remote method to get package information and install 11501 * location values. Override install location based on default 11502 * policy if needed and then create install arguments based 11503 * on the install location. 11504 */ 11505 public void handleStartCopy() throws RemoteException { 11506 int ret = PackageManager.INSTALL_SUCCEEDED; 11507 11508 // If we're already staged, we've firmly committed to an install location 11509 if (origin.staged) { 11510 if (origin.file != null) { 11511 installFlags |= PackageManager.INSTALL_INTERNAL; 11512 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11513 } else if (origin.cid != null) { 11514 installFlags |= PackageManager.INSTALL_EXTERNAL; 11515 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11516 } else { 11517 throw new IllegalStateException("Invalid stage location"); 11518 } 11519 } 11520 11521 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11522 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11523 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11524 PackageInfoLite pkgLite = null; 11525 11526 if (onInt && onSd) { 11527 // Check if both bits are set. 11528 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11529 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11530 } else if (onSd && ephemeral) { 11531 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11532 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11533 } else { 11534 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11535 packageAbiOverride); 11536 11537 if (DEBUG_EPHEMERAL && ephemeral) { 11538 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11539 } 11540 11541 /* 11542 * If we have too little free space, try to free cache 11543 * before giving up. 11544 */ 11545 if (!origin.staged && pkgLite.recommendedInstallLocation 11546 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11547 // TODO: focus freeing disk space on the target device 11548 final StorageManager storage = StorageManager.from(mContext); 11549 final long lowThreshold = storage.getStorageLowBytes( 11550 Environment.getDataDirectory()); 11551 11552 final long sizeBytes = mContainerService.calculateInstalledSize( 11553 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11554 11555 try { 11556 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11557 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11558 installFlags, packageAbiOverride); 11559 } catch (InstallerException e) { 11560 Slog.w(TAG, "Failed to free cache", e); 11561 } 11562 11563 /* 11564 * The cache free must have deleted the file we 11565 * downloaded to install. 11566 * 11567 * TODO: fix the "freeCache" call to not delete 11568 * the file we care about. 11569 */ 11570 if (pkgLite.recommendedInstallLocation 11571 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11572 pkgLite.recommendedInstallLocation 11573 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11574 } 11575 } 11576 } 11577 11578 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11579 int loc = pkgLite.recommendedInstallLocation; 11580 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11581 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11582 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11583 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11584 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11585 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11586 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11587 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11588 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11589 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11590 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11591 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11592 } else { 11593 // Override with defaults if needed. 11594 loc = installLocationPolicy(pkgLite); 11595 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11596 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11597 } else if (!onSd && !onInt) { 11598 // Override install location with flags 11599 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11600 // Set the flag to install on external media. 11601 installFlags |= PackageManager.INSTALL_EXTERNAL; 11602 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11603 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11604 if (DEBUG_EPHEMERAL) { 11605 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11606 } 11607 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11608 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11609 |PackageManager.INSTALL_INTERNAL); 11610 } else { 11611 // Make sure the flag for installing on external 11612 // media is unset 11613 installFlags |= PackageManager.INSTALL_INTERNAL; 11614 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11615 } 11616 } 11617 } 11618 } 11619 11620 final InstallArgs args = createInstallArgs(this); 11621 mArgs = args; 11622 11623 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11624 // TODO: http://b/22976637 11625 // Apps installed for "all" users use the device owner to verify the app 11626 UserHandle verifierUser = getUser(); 11627 if (verifierUser == UserHandle.ALL) { 11628 verifierUser = UserHandle.SYSTEM; 11629 } 11630 11631 /* 11632 * Determine if we have any installed package verifiers. If we 11633 * do, then we'll defer to them to verify the packages. 11634 */ 11635 final int requiredUid = mRequiredVerifierPackage == null ? -1 11636 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11637 verifierUser.getIdentifier()); 11638 if (!origin.existing && requiredUid != -1 11639 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11640 final Intent verification = new Intent( 11641 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11642 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11643 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11644 PACKAGE_MIME_TYPE); 11645 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11646 11647 // Query all live verifiers based on current user state 11648 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11649 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11650 11651 if (DEBUG_VERIFY) { 11652 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11653 + verification.toString() + " with " + pkgLite.verifiers.length 11654 + " optional verifiers"); 11655 } 11656 11657 final int verificationId = mPendingVerificationToken++; 11658 11659 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11660 11661 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11662 installerPackageName); 11663 11664 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11665 installFlags); 11666 11667 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11668 pkgLite.packageName); 11669 11670 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11671 pkgLite.versionCode); 11672 11673 if (verificationParams != null) { 11674 if (verificationParams.getVerificationURI() != null) { 11675 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11676 verificationParams.getVerificationURI()); 11677 } 11678 if (verificationParams.getOriginatingURI() != null) { 11679 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11680 verificationParams.getOriginatingURI()); 11681 } 11682 if (verificationParams.getReferrer() != null) { 11683 verification.putExtra(Intent.EXTRA_REFERRER, 11684 verificationParams.getReferrer()); 11685 } 11686 if (verificationParams.getOriginatingUid() >= 0) { 11687 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11688 verificationParams.getOriginatingUid()); 11689 } 11690 if (verificationParams.getInstallerUid() >= 0) { 11691 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11692 verificationParams.getInstallerUid()); 11693 } 11694 } 11695 11696 final PackageVerificationState verificationState = new PackageVerificationState( 11697 requiredUid, args); 11698 11699 mPendingVerification.append(verificationId, verificationState); 11700 11701 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11702 receivers, verificationState); 11703 11704 /* 11705 * If any sufficient verifiers were listed in the package 11706 * manifest, attempt to ask them. 11707 */ 11708 if (sufficientVerifiers != null) { 11709 final int N = sufficientVerifiers.size(); 11710 if (N == 0) { 11711 Slog.i(TAG, "Additional verifiers required, but none installed."); 11712 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11713 } else { 11714 for (int i = 0; i < N; i++) { 11715 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11716 11717 final Intent sufficientIntent = new Intent(verification); 11718 sufficientIntent.setComponent(verifierComponent); 11719 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11720 } 11721 } 11722 } 11723 11724 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11725 mRequiredVerifierPackage, receivers); 11726 if (ret == PackageManager.INSTALL_SUCCEEDED 11727 && mRequiredVerifierPackage != null) { 11728 Trace.asyncTraceBegin( 11729 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11730 /* 11731 * Send the intent to the required verification agent, 11732 * but only start the verification timeout after the 11733 * target BroadcastReceivers have run. 11734 */ 11735 verification.setComponent(requiredVerifierComponent); 11736 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11737 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11738 new BroadcastReceiver() { 11739 @Override 11740 public void onReceive(Context context, Intent intent) { 11741 final Message msg = mHandler 11742 .obtainMessage(CHECK_PENDING_VERIFICATION); 11743 msg.arg1 = verificationId; 11744 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11745 } 11746 }, null, 0, null, null); 11747 11748 /* 11749 * We don't want the copy to proceed until verification 11750 * succeeds, so null out this field. 11751 */ 11752 mArgs = null; 11753 } 11754 } else { 11755 /* 11756 * No package verification is enabled, so immediately start 11757 * the remote call to initiate copy using temporary file. 11758 */ 11759 ret = args.copyApk(mContainerService, true); 11760 } 11761 } 11762 11763 mRet = ret; 11764 } 11765 11766 @Override 11767 void handleReturnCode() { 11768 // If mArgs is null, then MCS couldn't be reached. When it 11769 // reconnects, it will try again to install. At that point, this 11770 // will succeed. 11771 if (mArgs != null) { 11772 processPendingInstall(mArgs, mRet); 11773 } 11774 } 11775 11776 @Override 11777 void handleServiceError() { 11778 mArgs = createInstallArgs(this); 11779 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11780 } 11781 11782 public boolean isForwardLocked() { 11783 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11784 } 11785 } 11786 11787 /** 11788 * Used during creation of InstallArgs 11789 * 11790 * @param installFlags package installation flags 11791 * @return true if should be installed on external storage 11792 */ 11793 private static boolean installOnExternalAsec(int installFlags) { 11794 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11795 return false; 11796 } 11797 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11798 return true; 11799 } 11800 return false; 11801 } 11802 11803 /** 11804 * Used during creation of InstallArgs 11805 * 11806 * @param installFlags package installation flags 11807 * @return true if should be installed as forward locked 11808 */ 11809 private static boolean installForwardLocked(int installFlags) { 11810 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11811 } 11812 11813 private InstallArgs createInstallArgs(InstallParams params) { 11814 if (params.move != null) { 11815 return new MoveInstallArgs(params); 11816 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11817 return new AsecInstallArgs(params); 11818 } else { 11819 return new FileInstallArgs(params); 11820 } 11821 } 11822 11823 /** 11824 * Create args that describe an existing installed package. Typically used 11825 * when cleaning up old installs, or used as a move source. 11826 */ 11827 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11828 String resourcePath, String[] instructionSets) { 11829 final boolean isInAsec; 11830 if (installOnExternalAsec(installFlags)) { 11831 /* Apps on SD card are always in ASEC containers. */ 11832 isInAsec = true; 11833 } else if (installForwardLocked(installFlags) 11834 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11835 /* 11836 * Forward-locked apps are only in ASEC containers if they're the 11837 * new style 11838 */ 11839 isInAsec = true; 11840 } else { 11841 isInAsec = false; 11842 } 11843 11844 if (isInAsec) { 11845 return new AsecInstallArgs(codePath, instructionSets, 11846 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11847 } else { 11848 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11849 } 11850 } 11851 11852 static abstract class InstallArgs { 11853 /** @see InstallParams#origin */ 11854 final OriginInfo origin; 11855 /** @see InstallParams#move */ 11856 final MoveInfo move; 11857 11858 final IPackageInstallObserver2 observer; 11859 // Always refers to PackageManager flags only 11860 final int installFlags; 11861 final String installerPackageName; 11862 final String volumeUuid; 11863 final UserHandle user; 11864 final String abiOverride; 11865 final String[] installGrantPermissions; 11866 /** If non-null, drop an async trace when the install completes */ 11867 final String traceMethod; 11868 final int traceCookie; 11869 11870 // The list of instruction sets supported by this app. This is currently 11871 // only used during the rmdex() phase to clean up resources. We can get rid of this 11872 // if we move dex files under the common app path. 11873 /* nullable */ String[] instructionSets; 11874 11875 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11876 int installFlags, String installerPackageName, String volumeUuid, 11877 UserHandle user, String[] instructionSets, 11878 String abiOverride, String[] installGrantPermissions, 11879 String traceMethod, int traceCookie) { 11880 this.origin = origin; 11881 this.move = move; 11882 this.installFlags = installFlags; 11883 this.observer = observer; 11884 this.installerPackageName = installerPackageName; 11885 this.volumeUuid = volumeUuid; 11886 this.user = user; 11887 this.instructionSets = instructionSets; 11888 this.abiOverride = abiOverride; 11889 this.installGrantPermissions = installGrantPermissions; 11890 this.traceMethod = traceMethod; 11891 this.traceCookie = traceCookie; 11892 } 11893 11894 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11895 abstract int doPreInstall(int status); 11896 11897 /** 11898 * Rename package into final resting place. All paths on the given 11899 * scanned package should be updated to reflect the rename. 11900 */ 11901 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11902 abstract int doPostInstall(int status, int uid); 11903 11904 /** @see PackageSettingBase#codePathString */ 11905 abstract String getCodePath(); 11906 /** @see PackageSettingBase#resourcePathString */ 11907 abstract String getResourcePath(); 11908 11909 // Need installer lock especially for dex file removal. 11910 abstract void cleanUpResourcesLI(); 11911 abstract boolean doPostDeleteLI(boolean delete); 11912 11913 /** 11914 * Called before the source arguments are copied. This is used mostly 11915 * for MoveParams when it needs to read the source file to put it in the 11916 * destination. 11917 */ 11918 int doPreCopy() { 11919 return PackageManager.INSTALL_SUCCEEDED; 11920 } 11921 11922 /** 11923 * Called after the source arguments are copied. This is used mostly for 11924 * MoveParams when it needs to read the source file to put it in the 11925 * destination. 11926 * 11927 * @return 11928 */ 11929 int doPostCopy(int uid) { 11930 return PackageManager.INSTALL_SUCCEEDED; 11931 } 11932 11933 protected boolean isFwdLocked() { 11934 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11935 } 11936 11937 protected boolean isExternalAsec() { 11938 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11939 } 11940 11941 protected boolean isEphemeral() { 11942 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11943 } 11944 11945 UserHandle getUser() { 11946 return user; 11947 } 11948 } 11949 11950 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11951 if (!allCodePaths.isEmpty()) { 11952 if (instructionSets == null) { 11953 throw new IllegalStateException("instructionSet == null"); 11954 } 11955 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11956 for (String codePath : allCodePaths) { 11957 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11958 try { 11959 mInstaller.rmdex(codePath, dexCodeInstructionSet); 11960 } catch (InstallerException ignored) { 11961 } 11962 } 11963 } 11964 } 11965 } 11966 11967 /** 11968 * Logic to handle installation of non-ASEC applications, including copying 11969 * and renaming logic. 11970 */ 11971 class FileInstallArgs extends InstallArgs { 11972 private File codeFile; 11973 private File resourceFile; 11974 11975 // Example topology: 11976 // /data/app/com.example/base.apk 11977 // /data/app/com.example/split_foo.apk 11978 // /data/app/com.example/lib/arm/libfoo.so 11979 // /data/app/com.example/lib/arm64/libfoo.so 11980 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11981 11982 /** New install */ 11983 FileInstallArgs(InstallParams params) { 11984 super(params.origin, params.move, params.observer, params.installFlags, 11985 params.installerPackageName, params.volumeUuid, 11986 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11987 params.grantedRuntimePermissions, 11988 params.traceMethod, params.traceCookie); 11989 if (isFwdLocked()) { 11990 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11991 } 11992 } 11993 11994 /** Existing install */ 11995 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11996 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11997 null, null, null, 0); 11998 this.codeFile = (codePath != null) ? new File(codePath) : null; 11999 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12000 } 12001 12002 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12003 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12004 try { 12005 return doCopyApk(imcs, temp); 12006 } finally { 12007 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12008 } 12009 } 12010 12011 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12012 if (origin.staged) { 12013 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12014 codeFile = origin.file; 12015 resourceFile = origin.file; 12016 return PackageManager.INSTALL_SUCCEEDED; 12017 } 12018 12019 try { 12020 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12021 final File tempDir = 12022 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12023 codeFile = tempDir; 12024 resourceFile = tempDir; 12025 } catch (IOException e) { 12026 Slog.w(TAG, "Failed to create copy file: " + e); 12027 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12028 } 12029 12030 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12031 @Override 12032 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12033 if (!FileUtils.isValidExtFilename(name)) { 12034 throw new IllegalArgumentException("Invalid filename: " + name); 12035 } 12036 try { 12037 final File file = new File(codeFile, name); 12038 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12039 O_RDWR | O_CREAT, 0644); 12040 Os.chmod(file.getAbsolutePath(), 0644); 12041 return new ParcelFileDescriptor(fd); 12042 } catch (ErrnoException e) { 12043 throw new RemoteException("Failed to open: " + e.getMessage()); 12044 } 12045 } 12046 }; 12047 12048 int ret = PackageManager.INSTALL_SUCCEEDED; 12049 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12050 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12051 Slog.e(TAG, "Failed to copy package"); 12052 return ret; 12053 } 12054 12055 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12056 NativeLibraryHelper.Handle handle = null; 12057 try { 12058 handle = NativeLibraryHelper.Handle.create(codeFile); 12059 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12060 abiOverride); 12061 } catch (IOException e) { 12062 Slog.e(TAG, "Copying native libraries failed", e); 12063 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12064 } finally { 12065 IoUtils.closeQuietly(handle); 12066 } 12067 12068 return ret; 12069 } 12070 12071 int doPreInstall(int status) { 12072 if (status != PackageManager.INSTALL_SUCCEEDED) { 12073 cleanUp(); 12074 } 12075 return status; 12076 } 12077 12078 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12079 if (status != PackageManager.INSTALL_SUCCEEDED) { 12080 cleanUp(); 12081 return false; 12082 } 12083 12084 final File targetDir = codeFile.getParentFile(); 12085 final File beforeCodeFile = codeFile; 12086 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12087 12088 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12089 try { 12090 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12091 } catch (ErrnoException e) { 12092 Slog.w(TAG, "Failed to rename", e); 12093 return false; 12094 } 12095 12096 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12097 Slog.w(TAG, "Failed to restorecon"); 12098 return false; 12099 } 12100 12101 // Reflect the rename internally 12102 codeFile = afterCodeFile; 12103 resourceFile = afterCodeFile; 12104 12105 // Reflect the rename in scanned details 12106 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12107 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12108 afterCodeFile, pkg.baseCodePath)); 12109 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12110 afterCodeFile, pkg.splitCodePaths)); 12111 12112 // Reflect the rename in app info 12113 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12114 pkg.setApplicationInfoCodePath(pkg.codePath); 12115 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12116 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12117 pkg.setApplicationInfoResourcePath(pkg.codePath); 12118 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12119 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12120 12121 return true; 12122 } 12123 12124 int doPostInstall(int status, int uid) { 12125 if (status != PackageManager.INSTALL_SUCCEEDED) { 12126 cleanUp(); 12127 } 12128 return status; 12129 } 12130 12131 @Override 12132 String getCodePath() { 12133 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12134 } 12135 12136 @Override 12137 String getResourcePath() { 12138 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12139 } 12140 12141 private boolean cleanUp() { 12142 if (codeFile == null || !codeFile.exists()) { 12143 return false; 12144 } 12145 12146 removeCodePathLI(codeFile); 12147 12148 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12149 resourceFile.delete(); 12150 } 12151 12152 return true; 12153 } 12154 12155 void cleanUpResourcesLI() { 12156 // Try enumerating all code paths before deleting 12157 List<String> allCodePaths = Collections.EMPTY_LIST; 12158 if (codeFile != null && codeFile.exists()) { 12159 try { 12160 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12161 allCodePaths = pkg.getAllCodePaths(); 12162 } catch (PackageParserException e) { 12163 // Ignored; we tried our best 12164 } 12165 } 12166 12167 cleanUp(); 12168 removeDexFiles(allCodePaths, instructionSets); 12169 } 12170 12171 boolean doPostDeleteLI(boolean delete) { 12172 // XXX err, shouldn't we respect the delete flag? 12173 cleanUpResourcesLI(); 12174 return true; 12175 } 12176 } 12177 12178 private boolean isAsecExternal(String cid) { 12179 final String asecPath = PackageHelper.getSdFilesystem(cid); 12180 return !asecPath.startsWith(mAsecInternalPath); 12181 } 12182 12183 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12184 PackageManagerException { 12185 if (copyRet < 0) { 12186 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12187 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12188 throw new PackageManagerException(copyRet, message); 12189 } 12190 } 12191 } 12192 12193 /** 12194 * Extract the MountService "container ID" from the full code path of an 12195 * .apk. 12196 */ 12197 static String cidFromCodePath(String fullCodePath) { 12198 int eidx = fullCodePath.lastIndexOf("/"); 12199 String subStr1 = fullCodePath.substring(0, eidx); 12200 int sidx = subStr1.lastIndexOf("/"); 12201 return subStr1.substring(sidx+1, eidx); 12202 } 12203 12204 /** 12205 * Logic to handle installation of ASEC applications, including copying and 12206 * renaming logic. 12207 */ 12208 class AsecInstallArgs extends InstallArgs { 12209 static final String RES_FILE_NAME = "pkg.apk"; 12210 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12211 12212 String cid; 12213 String packagePath; 12214 String resourcePath; 12215 12216 /** New install */ 12217 AsecInstallArgs(InstallParams params) { 12218 super(params.origin, params.move, params.observer, params.installFlags, 12219 params.installerPackageName, params.volumeUuid, 12220 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12221 params.grantedRuntimePermissions, 12222 params.traceMethod, params.traceCookie); 12223 } 12224 12225 /** Existing install */ 12226 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12227 boolean isExternal, boolean isForwardLocked) { 12228 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12229 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12230 instructionSets, null, null, null, 0); 12231 // Hackily pretend we're still looking at a full code path 12232 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12233 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12234 } 12235 12236 // Extract cid from fullCodePath 12237 int eidx = fullCodePath.lastIndexOf("/"); 12238 String subStr1 = fullCodePath.substring(0, eidx); 12239 int sidx = subStr1.lastIndexOf("/"); 12240 cid = subStr1.substring(sidx+1, eidx); 12241 setMountPath(subStr1); 12242 } 12243 12244 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12245 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12246 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12247 instructionSets, null, null, null, 0); 12248 this.cid = cid; 12249 setMountPath(PackageHelper.getSdDir(cid)); 12250 } 12251 12252 void createCopyFile() { 12253 cid = mInstallerService.allocateExternalStageCidLegacy(); 12254 } 12255 12256 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12257 if (origin.staged && origin.cid != null) { 12258 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12259 cid = origin.cid; 12260 setMountPath(PackageHelper.getSdDir(cid)); 12261 return PackageManager.INSTALL_SUCCEEDED; 12262 } 12263 12264 if (temp) { 12265 createCopyFile(); 12266 } else { 12267 /* 12268 * Pre-emptively destroy the container since it's destroyed if 12269 * copying fails due to it existing anyway. 12270 */ 12271 PackageHelper.destroySdDir(cid); 12272 } 12273 12274 final String newMountPath = imcs.copyPackageToContainer( 12275 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12276 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12277 12278 if (newMountPath != null) { 12279 setMountPath(newMountPath); 12280 return PackageManager.INSTALL_SUCCEEDED; 12281 } else { 12282 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12283 } 12284 } 12285 12286 @Override 12287 String getCodePath() { 12288 return packagePath; 12289 } 12290 12291 @Override 12292 String getResourcePath() { 12293 return resourcePath; 12294 } 12295 12296 int doPreInstall(int status) { 12297 if (status != PackageManager.INSTALL_SUCCEEDED) { 12298 // Destroy container 12299 PackageHelper.destroySdDir(cid); 12300 } else { 12301 boolean mounted = PackageHelper.isContainerMounted(cid); 12302 if (!mounted) { 12303 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12304 Process.SYSTEM_UID); 12305 if (newMountPath != null) { 12306 setMountPath(newMountPath); 12307 } else { 12308 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12309 } 12310 } 12311 } 12312 return status; 12313 } 12314 12315 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12316 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12317 String newMountPath = null; 12318 if (PackageHelper.isContainerMounted(cid)) { 12319 // Unmount the container 12320 if (!PackageHelper.unMountSdDir(cid)) { 12321 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12322 return false; 12323 } 12324 } 12325 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12326 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12327 " which might be stale. Will try to clean up."); 12328 // Clean up the stale container and proceed to recreate. 12329 if (!PackageHelper.destroySdDir(newCacheId)) { 12330 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12331 return false; 12332 } 12333 // Successfully cleaned up stale container. Try to rename again. 12334 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12335 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12336 + " inspite of cleaning it up."); 12337 return false; 12338 } 12339 } 12340 if (!PackageHelper.isContainerMounted(newCacheId)) { 12341 Slog.w(TAG, "Mounting container " + newCacheId); 12342 newMountPath = PackageHelper.mountSdDir(newCacheId, 12343 getEncryptKey(), Process.SYSTEM_UID); 12344 } else { 12345 newMountPath = PackageHelper.getSdDir(newCacheId); 12346 } 12347 if (newMountPath == null) { 12348 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12349 return false; 12350 } 12351 Log.i(TAG, "Succesfully renamed " + cid + 12352 " to " + newCacheId + 12353 " at new path: " + newMountPath); 12354 cid = newCacheId; 12355 12356 final File beforeCodeFile = new File(packagePath); 12357 setMountPath(newMountPath); 12358 final File afterCodeFile = new File(packagePath); 12359 12360 // Reflect the rename in scanned details 12361 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12362 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12363 afterCodeFile, pkg.baseCodePath)); 12364 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12365 afterCodeFile, pkg.splitCodePaths)); 12366 12367 // Reflect the rename in app info 12368 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12369 pkg.setApplicationInfoCodePath(pkg.codePath); 12370 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12371 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12372 pkg.setApplicationInfoResourcePath(pkg.codePath); 12373 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12374 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12375 12376 return true; 12377 } 12378 12379 private void setMountPath(String mountPath) { 12380 final File mountFile = new File(mountPath); 12381 12382 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12383 if (monolithicFile.exists()) { 12384 packagePath = monolithicFile.getAbsolutePath(); 12385 if (isFwdLocked()) { 12386 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12387 } else { 12388 resourcePath = packagePath; 12389 } 12390 } else { 12391 packagePath = mountFile.getAbsolutePath(); 12392 resourcePath = packagePath; 12393 } 12394 } 12395 12396 int doPostInstall(int status, int uid) { 12397 if (status != PackageManager.INSTALL_SUCCEEDED) { 12398 cleanUp(); 12399 } else { 12400 final int groupOwner; 12401 final String protectedFile; 12402 if (isFwdLocked()) { 12403 groupOwner = UserHandle.getSharedAppGid(uid); 12404 protectedFile = RES_FILE_NAME; 12405 } else { 12406 groupOwner = -1; 12407 protectedFile = null; 12408 } 12409 12410 if (uid < Process.FIRST_APPLICATION_UID 12411 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12412 Slog.e(TAG, "Failed to finalize " + cid); 12413 PackageHelper.destroySdDir(cid); 12414 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12415 } 12416 12417 boolean mounted = PackageHelper.isContainerMounted(cid); 12418 if (!mounted) { 12419 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12420 } 12421 } 12422 return status; 12423 } 12424 12425 private void cleanUp() { 12426 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12427 12428 // Destroy secure container 12429 PackageHelper.destroySdDir(cid); 12430 } 12431 12432 private List<String> getAllCodePaths() { 12433 final File codeFile = new File(getCodePath()); 12434 if (codeFile != null && codeFile.exists()) { 12435 try { 12436 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12437 return pkg.getAllCodePaths(); 12438 } catch (PackageParserException e) { 12439 // Ignored; we tried our best 12440 } 12441 } 12442 return Collections.EMPTY_LIST; 12443 } 12444 12445 void cleanUpResourcesLI() { 12446 // Enumerate all code paths before deleting 12447 cleanUpResourcesLI(getAllCodePaths()); 12448 } 12449 12450 private void cleanUpResourcesLI(List<String> allCodePaths) { 12451 cleanUp(); 12452 removeDexFiles(allCodePaths, instructionSets); 12453 } 12454 12455 String getPackageName() { 12456 return getAsecPackageName(cid); 12457 } 12458 12459 boolean doPostDeleteLI(boolean delete) { 12460 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12461 final List<String> allCodePaths = getAllCodePaths(); 12462 boolean mounted = PackageHelper.isContainerMounted(cid); 12463 if (mounted) { 12464 // Unmount first 12465 if (PackageHelper.unMountSdDir(cid)) { 12466 mounted = false; 12467 } 12468 } 12469 if (!mounted && delete) { 12470 cleanUpResourcesLI(allCodePaths); 12471 } 12472 return !mounted; 12473 } 12474 12475 @Override 12476 int doPreCopy() { 12477 if (isFwdLocked()) { 12478 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12479 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12480 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12481 } 12482 } 12483 12484 return PackageManager.INSTALL_SUCCEEDED; 12485 } 12486 12487 @Override 12488 int doPostCopy(int uid) { 12489 if (isFwdLocked()) { 12490 if (uid < Process.FIRST_APPLICATION_UID 12491 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12492 RES_FILE_NAME)) { 12493 Slog.e(TAG, "Failed to finalize " + cid); 12494 PackageHelper.destroySdDir(cid); 12495 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12496 } 12497 } 12498 12499 return PackageManager.INSTALL_SUCCEEDED; 12500 } 12501 } 12502 12503 /** 12504 * Logic to handle movement of existing installed applications. 12505 */ 12506 class MoveInstallArgs extends InstallArgs { 12507 private File codeFile; 12508 private File resourceFile; 12509 12510 /** New install */ 12511 MoveInstallArgs(InstallParams params) { 12512 super(params.origin, params.move, params.observer, params.installFlags, 12513 params.installerPackageName, params.volumeUuid, 12514 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12515 params.grantedRuntimePermissions, 12516 params.traceMethod, params.traceCookie); 12517 } 12518 12519 int copyApk(IMediaContainerService imcs, boolean temp) { 12520 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12521 + move.fromUuid + " to " + move.toUuid); 12522 synchronized (mInstaller) { 12523 try { 12524 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12525 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12526 } catch (InstallerException e) { 12527 Slog.w(TAG, "Failed to move app", e); 12528 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12529 } 12530 } 12531 12532 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12533 resourceFile = codeFile; 12534 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12535 12536 return PackageManager.INSTALL_SUCCEEDED; 12537 } 12538 12539 int doPreInstall(int status) { 12540 if (status != PackageManager.INSTALL_SUCCEEDED) { 12541 cleanUp(move.toUuid); 12542 } 12543 return status; 12544 } 12545 12546 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12547 if (status != PackageManager.INSTALL_SUCCEEDED) { 12548 cleanUp(move.toUuid); 12549 return false; 12550 } 12551 12552 // Reflect the move in app info 12553 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12554 pkg.setApplicationInfoCodePath(pkg.codePath); 12555 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12556 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12557 pkg.setApplicationInfoResourcePath(pkg.codePath); 12558 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12559 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12560 12561 return true; 12562 } 12563 12564 int doPostInstall(int status, int uid) { 12565 if (status == PackageManager.INSTALL_SUCCEEDED) { 12566 cleanUp(move.fromUuid); 12567 } else { 12568 cleanUp(move.toUuid); 12569 } 12570 return status; 12571 } 12572 12573 @Override 12574 String getCodePath() { 12575 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12576 } 12577 12578 @Override 12579 String getResourcePath() { 12580 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12581 } 12582 12583 private boolean cleanUp(String volumeUuid) { 12584 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12585 move.dataAppName); 12586 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12587 synchronized (mInstallLock) { 12588 // Clean up both app data and code 12589 removeDataDirsLI(volumeUuid, move.packageName); 12590 removeCodePathLI(codeFile); 12591 } 12592 return true; 12593 } 12594 12595 void cleanUpResourcesLI() { 12596 throw new UnsupportedOperationException(); 12597 } 12598 12599 boolean doPostDeleteLI(boolean delete) { 12600 throw new UnsupportedOperationException(); 12601 } 12602 } 12603 12604 static String getAsecPackageName(String packageCid) { 12605 int idx = packageCid.lastIndexOf("-"); 12606 if (idx == -1) { 12607 return packageCid; 12608 } 12609 return packageCid.substring(0, idx); 12610 } 12611 12612 // Utility method used to create code paths based on package name and available index. 12613 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12614 String idxStr = ""; 12615 int idx = 1; 12616 // Fall back to default value of idx=1 if prefix is not 12617 // part of oldCodePath 12618 if (oldCodePath != null) { 12619 String subStr = oldCodePath; 12620 // Drop the suffix right away 12621 if (suffix != null && subStr.endsWith(suffix)) { 12622 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12623 } 12624 // If oldCodePath already contains prefix find out the 12625 // ending index to either increment or decrement. 12626 int sidx = subStr.lastIndexOf(prefix); 12627 if (sidx != -1) { 12628 subStr = subStr.substring(sidx + prefix.length()); 12629 if (subStr != null) { 12630 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12631 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12632 } 12633 try { 12634 idx = Integer.parseInt(subStr); 12635 if (idx <= 1) { 12636 idx++; 12637 } else { 12638 idx--; 12639 } 12640 } catch(NumberFormatException e) { 12641 } 12642 } 12643 } 12644 } 12645 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12646 return prefix + idxStr; 12647 } 12648 12649 private File getNextCodePath(File targetDir, String packageName) { 12650 int suffix = 1; 12651 File result; 12652 do { 12653 result = new File(targetDir, packageName + "-" + suffix); 12654 suffix++; 12655 } while (result.exists()); 12656 return result; 12657 } 12658 12659 // Utility method that returns the relative package path with respect 12660 // to the installation directory. Like say for /data/data/com.test-1.apk 12661 // string com.test-1 is returned. 12662 static String deriveCodePathName(String codePath) { 12663 if (codePath == null) { 12664 return null; 12665 } 12666 final File codeFile = new File(codePath); 12667 final String name = codeFile.getName(); 12668 if (codeFile.isDirectory()) { 12669 return name; 12670 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12671 final int lastDot = name.lastIndexOf('.'); 12672 return name.substring(0, lastDot); 12673 } else { 12674 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12675 return null; 12676 } 12677 } 12678 12679 static class PackageInstalledInfo { 12680 String name; 12681 int uid; 12682 // The set of users that originally had this package installed. 12683 int[] origUsers; 12684 // The set of users that now have this package installed. 12685 int[] newUsers; 12686 PackageParser.Package pkg; 12687 int returnCode; 12688 String returnMsg; 12689 PackageRemovedInfo removedInfo; 12690 12691 public void setError(int code, String msg) { 12692 returnCode = code; 12693 returnMsg = msg; 12694 Slog.w(TAG, msg); 12695 } 12696 12697 public void setError(String msg, PackageParserException e) { 12698 returnCode = e.error; 12699 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12700 Slog.w(TAG, msg, e); 12701 } 12702 12703 public void setError(String msg, PackageManagerException e) { 12704 returnCode = e.error; 12705 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12706 Slog.w(TAG, msg, e); 12707 } 12708 12709 // In some error cases we want to convey more info back to the observer 12710 String origPackage; 12711 String origPermission; 12712 } 12713 12714 /* 12715 * Install a non-existing package. 12716 */ 12717 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12718 UserHandle user, String installerPackageName, String volumeUuid, 12719 PackageInstalledInfo res) { 12720 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12721 12722 // Remember this for later, in case we need to rollback this install 12723 String pkgName = pkg.packageName; 12724 12725 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12726 // TODO: b/23350563 12727 final boolean dataDirExists = Environment 12728 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12729 12730 synchronized(mPackages) { 12731 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12732 // A package with the same name is already installed, though 12733 // it has been renamed to an older name. The package we 12734 // are trying to install should be installed as an update to 12735 // the existing one, but that has not been requested, so bail. 12736 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12737 + " without first uninstalling package running as " 12738 + mSettings.mRenamedPackages.get(pkgName)); 12739 return; 12740 } 12741 if (mPackages.containsKey(pkgName)) { 12742 // Don't allow installation over an existing package with the same name. 12743 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12744 + " without first uninstalling."); 12745 return; 12746 } 12747 } 12748 12749 try { 12750 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12751 System.currentTimeMillis(), user); 12752 12753 updateSettingsLI(newPackage, installerPackageName, null, null, res, user); 12754 prepareAppDataAfterInstall(newPackage); 12755 12756 // delete the partially installed application. the data directory will have to be 12757 // restored if it was already existing 12758 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12759 // remove package from internal structures. Note that we want deletePackageX to 12760 // delete the package data and cache directories that it created in 12761 // scanPackageLocked, unless those directories existed before we even tried to 12762 // install. 12763 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12764 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12765 res.removedInfo, true, null); 12766 } 12767 12768 } catch (PackageManagerException e) { 12769 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12770 } 12771 12772 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12773 } 12774 12775 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12776 // Can't rotate keys during boot or if sharedUser. 12777 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12778 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12779 return false; 12780 } 12781 // app is using upgradeKeySets; make sure all are valid 12782 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12783 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12784 for (int i = 0; i < upgradeKeySets.length; i++) { 12785 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12786 Slog.wtf(TAG, "Package " 12787 + (oldPs.name != null ? oldPs.name : "<null>") 12788 + " contains upgrade-key-set reference to unknown key-set: " 12789 + upgradeKeySets[i] 12790 + " reverting to signatures check."); 12791 return false; 12792 } 12793 } 12794 return true; 12795 } 12796 12797 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12798 // Upgrade keysets are being used. Determine if new package has a superset of the 12799 // required keys. 12800 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12801 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12802 for (int i = 0; i < upgradeKeySets.length; i++) { 12803 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12804 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12805 return true; 12806 } 12807 } 12808 return false; 12809 } 12810 12811 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12812 UserHandle user, String installerPackageName, String volumeUuid, 12813 PackageInstalledInfo res) { 12814 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12815 12816 final PackageParser.Package oldPackage; 12817 final String pkgName = pkg.packageName; 12818 final int[] allUsers; 12819 final boolean[] perUserInstalled; 12820 12821 // First find the old package info and check signatures 12822 synchronized(mPackages) { 12823 oldPackage = mPackages.get(pkgName); 12824 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12825 if (isEphemeral && !oldIsEphemeral) { 12826 // can't downgrade from full to ephemeral 12827 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12828 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12829 return; 12830 } 12831 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12832 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12833 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12834 if (!checkUpgradeKeySetLP(ps, pkg)) { 12835 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12836 "New package not signed by keys specified by upgrade-keysets: " 12837 + pkgName); 12838 return; 12839 } 12840 } else { 12841 // default to original signature matching 12842 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12843 != PackageManager.SIGNATURE_MATCH) { 12844 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12845 "New package has a different signature: " + pkgName); 12846 return; 12847 } 12848 } 12849 12850 // In case of rollback, remember per-user/profile install state 12851 allUsers = sUserManager.getUserIds(); 12852 perUserInstalled = new boolean[allUsers.length]; 12853 for (int i = 0; i < allUsers.length; i++) { 12854 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12855 } 12856 } 12857 12858 boolean sysPkg = (isSystemApp(oldPackage)); 12859 if (sysPkg) { 12860 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12861 user, allUsers, perUserInstalled, installerPackageName, res); 12862 } else { 12863 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12864 user, allUsers, perUserInstalled, installerPackageName, res); 12865 } 12866 } 12867 12868 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12869 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12870 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12871 PackageInstalledInfo res) { 12872 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12873 + deletedPackage); 12874 12875 String pkgName = deletedPackage.packageName; 12876 boolean deletedPkg = true; 12877 boolean addedPkg = false; 12878 12879 final long origUpdateTime = (pkg.mExtras != null) 12880 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 12881 12882 // First delete the existing package while retaining the data directory 12883 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12884 res.removedInfo, true, pkg)) { 12885 // If the existing package wasn't successfully deleted 12886 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12887 deletedPkg = false; 12888 } else { 12889 // Successfully deleted the old package; proceed with replace. 12890 12891 // If deleted package lived in a container, give users a chance to 12892 // relinquish resources before killing. 12893 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12894 if (DEBUG_INSTALL) { 12895 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12896 } 12897 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12898 final ArrayList<String> pkgList = new ArrayList<String>(1); 12899 pkgList.add(deletedPackage.applicationInfo.packageName); 12900 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12901 } 12902 12903 deleteCodeCacheDirsLI(pkg); 12904 12905 try { 12906 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12907 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12908 updateSettingsLI(newPackage, installerPackageName, allUsers, 12909 perUserInstalled, res, user); 12910 prepareAppDataAfterInstall(newPackage); 12911 addedPkg = true; 12912 } catch (PackageManagerException e) { 12913 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12914 } 12915 } 12916 12917 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12918 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12919 12920 // Revert all internal state mutations and added folders for the failed install 12921 if (addedPkg) { 12922 deletePackageLI(pkgName, null, true, allUsers, perUserInstalled, 12923 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 12924 } 12925 12926 // Restore the old package 12927 if (deletedPkg) { 12928 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12929 File restoreFile = new File(deletedPackage.codePath); 12930 // Parse old package 12931 boolean oldExternal = isExternal(deletedPackage); 12932 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12933 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12934 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12935 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12936 try { 12937 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12938 null); 12939 } catch (PackageManagerException e) { 12940 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12941 + e.getMessage()); 12942 return; 12943 } 12944 12945 synchronized (mPackages) { 12946 // Ensure the installer package name up to date 12947 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 12948 12949 // Update permissions for restored package 12950 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 12951 12952 mSettings.writeLPr(); 12953 } 12954 12955 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12956 } 12957 } 12958 } 12959 12960 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12961 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12962 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12963 PackageInstalledInfo res) { 12964 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12965 + ", old=" + deletedPackage); 12966 12967 final boolean disabledSystem; 12968 12969 // Set the system/privileged flags as needed 12970 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12971 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12972 != 0) { 12973 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12974 } 12975 12976 // Kill package processes including services, providers, etc. 12977 killPackage(deletedPackage, "replace sys pkg"); 12978 12979 // Report the result for the parent package only 12980 res.removedInfo.uid = deletedPackage.applicationInfo.uid; 12981 res.removedInfo.removedPackage = deletedPackage.packageName; 12982 12983 // Remove existing system package 12984 removePackageSettingLI(deletedPackage, true); 12985 12986 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 12987 if (!disabledSystem) { 12988 // We didn't need to disable the .apk as a current system package, 12989 // which means we are replacing another update that is already 12990 // installed. We need to make sure to delete the older one's .apk. 12991 res.removedInfo.args = createInstallArgsForExisting(0, 12992 deletedPackage.applicationInfo.getCodePath(), 12993 deletedPackage.applicationInfo.getResourcePath(), 12994 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12995 } else { 12996 res.removedInfo.args = null; 12997 } 12998 12999 // Successfully disabled the old package. Now proceed with re-installation 13000 deleteCodeCacheDirsLI(pkg); 13001 13002 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 13003 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13004 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13005 13006 PackageParser.Package newPackage = null; 13007 try { 13008 // Add the package to the internal data structures 13009 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13010 13011 // Set the update and install times 13012 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13013 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13014 System.currentTimeMillis()); 13015 13016 // Check for shared user id changes 13017 String invalidPackageName = getParentOrChildPackageChangedSharedUser(deletedPackage, newPackage); 13018 if (invalidPackageName != null) { 13019 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13020 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13021 + " to " + invalidPackageName); 13022 } 13023 13024 // Update the package dynamic state if succeeded 13025 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13026 // Now that the install succeeded make sure we remove data 13027 // directories for any child package the update removed. 13028 final int deletedChildCount = (deletedPackage.childPackages != null) 13029 ? deletedPackage.childPackages.size() : 0; 13030 final int newChildCount = (newPackage.childPackages != null) 13031 ? newPackage.childPackages.size() : 0; 13032 for (int i = 0; i < deletedChildCount; i++) { 13033 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13034 boolean childPackageDeleted = true; 13035 for (int j = 0; j < newChildCount; j++) { 13036 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13037 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13038 childPackageDeleted = false; 13039 break; 13040 } 13041 } 13042 if (childPackageDeleted) { 13043 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13044 deletedChildPkg.packageName); 13045 if (ps != null) { 13046 removePackageDataLI(ps, allUsers, perUserInstalled, null, 0, false); 13047 } 13048 } 13049 } 13050 13051 updateSettingsLI(newPackage, installerPackageName, allUsers, 13052 perUserInstalled, res, user); 13053 prepareAppDataAfterInstall(newPackage); 13054 } 13055 } catch (PackageManagerException e) { 13056 res.returnCode = INSTALL_FAILED_INTERNAL_ERROR; 13057 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13058 } 13059 13060 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13061 // Re installation failed. Restore old information 13062 // Remove new pkg information 13063 if (newPackage != null) { 13064 removeInstalledPackageLI(newPackage, true); 13065 } 13066 // Add back the old system package 13067 try { 13068 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13069 } catch (PackageManagerException e) { 13070 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13071 } 13072 13073 synchronized (mPackages) { 13074 if (disabledSystem) { 13075 enableSystemPackageLPw(deletedPackage); 13076 } 13077 13078 // Ensure the installer package name up to date 13079 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13080 13081 // Update permissions for restored package 13082 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13083 13084 mSettings.writeLPr(); 13085 } 13086 13087 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13088 + " after failed upgrade"); 13089 } 13090 } 13091 13092 /** 13093 * Checks whether the parent or any of the child packages have a change shared 13094 * user. For a package to be a valid update the shred users of the parent and 13095 * the children should match. We may later support changing child shared users. 13096 * @param oldPkg The updated package. 13097 * @param newPkg The update package. 13098 * @return The shared user that change between the versions. 13099 */ 13100 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13101 PackageParser.Package newPkg) { 13102 // Check parent shared user 13103 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13104 return newPkg.packageName; 13105 } 13106 // Check child shared users 13107 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13108 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13109 for (int i = 0; i < newChildCount; i++) { 13110 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13111 // If this child was present, did it have the same shared user? 13112 for (int j = 0; j < oldChildCount; j++) { 13113 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13114 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13115 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13116 return newChildPkg.packageName; 13117 } 13118 } 13119 } 13120 return null; 13121 } 13122 13123 private void removeNativeBinariesLI(PackageParser.Package pkg) { 13124 // Remove the lib path for the parent package 13125 PackageSetting ps = (PackageSetting) pkg.mExtras; 13126 if (ps != null) { 13127 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13128 } 13129 // Remove the lib path for the child packages 13130 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13131 for (int i = 0; i < childCount; i++) { 13132 ps = (PackageSetting) pkg.childPackages.get(i).mExtras; 13133 if (ps != null) { 13134 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13135 } 13136 } 13137 } 13138 13139 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13140 // Enable the parent package 13141 mSettings.enableSystemPackageLPw(pkg.packageName); 13142 // Enable the child packages 13143 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13144 for (int i = 0; i < childCount; i++) { 13145 PackageParser.Package childPkg = pkg.childPackages.get(i); 13146 mSettings.enableSystemPackageLPw(childPkg.packageName); 13147 } 13148 } 13149 13150 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13151 PackageParser.Package newPkg) { 13152 // Disable the parent package (parent always replaced) 13153 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13154 // Disable the child packages 13155 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13156 for (int i = 0; i < childCount; i++) { 13157 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13158 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13159 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13160 } 13161 return disabled; 13162 } 13163 13164 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13165 String installerPackageName) { 13166 // Enable the parent package 13167 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13168 // Enable the child packages 13169 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13170 for (int i = 0; i < childCount; i++) { 13171 PackageParser.Package childPkg = pkg.childPackages.get(i); 13172 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13173 } 13174 } 13175 13176 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13177 // Collect all used permissions in the UID 13178 ArraySet<String> usedPermissions = new ArraySet<>(); 13179 final int packageCount = su.packages.size(); 13180 for (int i = 0; i < packageCount; i++) { 13181 PackageSetting ps = su.packages.valueAt(i); 13182 if (ps.pkg == null) { 13183 continue; 13184 } 13185 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13186 for (int j = 0; j < requestedPermCount; j++) { 13187 String permission = ps.pkg.requestedPermissions.get(j); 13188 BasePermission bp = mSettings.mPermissions.get(permission); 13189 if (bp != null) { 13190 usedPermissions.add(permission); 13191 } 13192 } 13193 } 13194 13195 PermissionsState permissionsState = su.getPermissionsState(); 13196 // Prune install permissions 13197 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13198 final int installPermCount = installPermStates.size(); 13199 for (int i = installPermCount - 1; i >= 0; i--) { 13200 PermissionState permissionState = installPermStates.get(i); 13201 if (!usedPermissions.contains(permissionState.getName())) { 13202 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13203 if (bp != null) { 13204 permissionsState.revokeInstallPermission(bp); 13205 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13206 PackageManager.MASK_PERMISSION_FLAGS, 0); 13207 } 13208 } 13209 } 13210 13211 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13212 13213 // Prune runtime permissions 13214 for (int userId : allUserIds) { 13215 List<PermissionState> runtimePermStates = permissionsState 13216 .getRuntimePermissionStates(userId); 13217 final int runtimePermCount = runtimePermStates.size(); 13218 for (int i = runtimePermCount - 1; i >= 0; i--) { 13219 PermissionState permissionState = runtimePermStates.get(i); 13220 if (!usedPermissions.contains(permissionState.getName())) { 13221 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13222 if (bp != null) { 13223 permissionsState.revokeRuntimePermission(bp, userId); 13224 permissionsState.updatePermissionFlags(bp, userId, 13225 PackageManager.MASK_PERMISSION_FLAGS, 0); 13226 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13227 runtimePermissionChangedUserIds, userId); 13228 } 13229 } 13230 } 13231 } 13232 13233 return runtimePermissionChangedUserIds; 13234 } 13235 13236 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13237 int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, UserHandle user) { 13238 // Update the parent package setting 13239 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, perUserInstalled, 13240 res, user); 13241 // Update the child packages setting 13242 final int childCount = (newPackage.childPackages != null) 13243 ? newPackage.childPackages.size() : 0; 13244 for (int i = 0; i < childCount; i++) { 13245 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13246 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, perUserInstalled, 13247 res, user); 13248 } 13249 } 13250 13251 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13252 String installerPackageName, int[] allUsers, boolean[] perUserInstalled, 13253 PackageInstalledInfo res, UserHandle user) { 13254 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13255 13256 String pkgName = newPackage.packageName; 13257 synchronized (mPackages) { 13258 //write settings. the installStatus will be incomplete at this stage. 13259 //note that the new package setting would have already been 13260 //added to mPackages. It hasn't been persisted yet. 13261 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13262 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13263 mSettings.writeLPr(); 13264 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13265 } 13266 13267 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13268 synchronized (mPackages) { 13269 updatePermissionsLPw(newPackage.packageName, newPackage, 13270 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13271 ? UPDATE_PERMISSIONS_ALL : 0)); 13272 // For system-bundled packages, we assume that installing an upgraded version 13273 // of the package implies that the user actually wants to run that new code, 13274 // so we enable the package. 13275 PackageSetting ps = mSettings.mPackages.get(pkgName); 13276 if (ps != null) { 13277 if (isSystemApp(newPackage)) { 13278 // NB: implicit assumption that system package upgrades apply to all users 13279 if (DEBUG_INSTALL) { 13280 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13281 } 13282 if (res.origUsers != null) { 13283 for (int userHandle : res.origUsers) { 13284 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13285 userHandle, installerPackageName); 13286 } 13287 } 13288 // Also convey the prior install/uninstall state 13289 if (allUsers != null && perUserInstalled != null) { 13290 for (int i = 0; i < allUsers.length; i++) { 13291 if (DEBUG_INSTALL) { 13292 Slog.d(TAG, " user " + allUsers[i] 13293 + " => " + perUserInstalled[i]); 13294 } 13295 ps.setInstalled(perUserInstalled[i], allUsers[i]); 13296 } 13297 // these install state changes will be persisted in the 13298 // upcoming call to mSettings.writeLPr(). 13299 } 13300 } 13301 // It's implied that when a user requests installation, they want the app to be 13302 // installed and enabled. 13303 int userId = user.getIdentifier(); 13304 if (userId != UserHandle.USER_ALL) { 13305 ps.setInstalled(true, userId); 13306 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13307 } 13308 } 13309 res.name = pkgName; 13310 res.uid = newPackage.applicationInfo.uid; 13311 res.pkg = newPackage; 13312 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13313 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13314 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 13315 //to update install status 13316 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13317 mSettings.writeLPr(); 13318 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13319 } 13320 13321 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13322 } 13323 13324 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13325 try { 13326 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13327 installPackageLI(args, res); 13328 } finally { 13329 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13330 } 13331 } 13332 13333 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13334 final int installFlags = args.installFlags; 13335 final String installerPackageName = args.installerPackageName; 13336 final String volumeUuid = args.volumeUuid; 13337 final File tmpPackageFile = new File(args.getCodePath()); 13338 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13339 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13340 || (args.volumeUuid != null)); 13341 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13342 boolean replace = false; 13343 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13344 if (args.move != null) { 13345 // moving a complete application; perfom an initial scan on the new install location 13346 scanFlags |= SCAN_INITIAL; 13347 } 13348 // Result object to be returned 13349 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 13350 13351 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13352 13353 // Sanity check 13354 if (ephemeral && (forwardLocked || onExternal)) { 13355 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13356 + " external=" + onExternal); 13357 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 13358 return; 13359 } 13360 13361 // Retrieve PackageSettings and parse package 13362 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13363 | PackageParser.PARSE_ENFORCE_CODE 13364 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13365 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13366 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13367 PackageParser pp = new PackageParser(); 13368 pp.setSeparateProcesses(mSeparateProcesses); 13369 pp.setDisplayMetrics(mMetrics); 13370 13371 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13372 final PackageParser.Package pkg; 13373 try { 13374 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13375 } catch (PackageParserException e) { 13376 res.setError("Failed parse during installPackageLI", e); 13377 return; 13378 } finally { 13379 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13380 } 13381 13382 // If package doesn't declare API override, mark that we have an install 13383 // time CPU ABI override. 13384 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13385 pkg.cpuAbiOverride = args.abiOverride; 13386 } 13387 13388 String pkgName = res.name = pkg.packageName; 13389 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13390 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13391 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13392 return; 13393 } 13394 } 13395 13396 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13397 try { 13398 PackageParser.collectCertificates(pkg, parseFlags); 13399 } catch (PackageParserException e) { 13400 res.setError("Failed collect during installPackageLI", e); 13401 return; 13402 } finally { 13403 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13404 } 13405 13406 // Get rid of all references to package scan path via parser. 13407 pp = null; 13408 String oldCodePath = null; 13409 boolean systemApp = false; 13410 synchronized (mPackages) { 13411 // Check if installing already existing package 13412 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13413 String oldName = mSettings.mRenamedPackages.get(pkgName); 13414 if (pkg.mOriginalPackages != null 13415 && pkg.mOriginalPackages.contains(oldName) 13416 && mPackages.containsKey(oldName)) { 13417 // This package is derived from an original package, 13418 // and this device has been updating from that original 13419 // name. We must continue using the original name, so 13420 // rename the new package here. 13421 pkg.setPackageName(oldName); 13422 pkgName = pkg.packageName; 13423 replace = true; 13424 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13425 + oldName + " pkgName=" + pkgName); 13426 } else if (mPackages.containsKey(pkgName)) { 13427 // This package, under its official name, already exists 13428 // on the device; we should replace it. 13429 replace = true; 13430 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13431 } 13432 13433 // Child packages are installed through the parent package 13434 if (pkg.parentPackage != null) { 13435 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13436 "Package " + pkg.packageName + " is child of package " 13437 + pkg.parentPackage.parentPackage + ". Child packages " 13438 + "can be updated only through the parent package."); 13439 return; 13440 } 13441 13442 if (replace) { 13443 // Prevent apps opting out from runtime permissions 13444 PackageParser.Package oldPackage = mPackages.get(pkgName); 13445 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13446 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13447 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13448 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13449 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13450 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13451 + " doesn't support runtime permissions but the old" 13452 + " target SDK " + oldTargetSdk + " does."); 13453 return; 13454 } 13455 13456 // Prevent installing of child packages 13457 if (oldPackage.parentPackage != null) { 13458 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13459 "Package " + pkg.packageName + " is child of package " 13460 + oldPackage.parentPackage + ". Child packages " 13461 + "can be updated only through the parent package."); 13462 return; 13463 } 13464 } 13465 } 13466 13467 PackageSetting ps = mSettings.mPackages.get(pkgName); 13468 if (ps != null) { 13469 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13470 13471 // Quick sanity check that we're signed correctly if updating; 13472 // we'll check this again later when scanning, but we want to 13473 // bail early here before tripping over redefined permissions. 13474 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13475 if (!checkUpgradeKeySetLP(ps, pkg)) { 13476 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13477 + pkg.packageName + " upgrade keys do not match the " 13478 + "previously installed version"); 13479 return; 13480 } 13481 } else { 13482 try { 13483 verifySignaturesLP(ps, pkg); 13484 } catch (PackageManagerException e) { 13485 res.setError(e.error, e.getMessage()); 13486 return; 13487 } 13488 } 13489 13490 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13491 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13492 systemApp = (ps.pkg.applicationInfo.flags & 13493 ApplicationInfo.FLAG_SYSTEM) != 0; 13494 } 13495 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13496 } 13497 13498 // Check whether the newly-scanned package wants to define an already-defined perm 13499 int N = pkg.permissions.size(); 13500 for (int i = N-1; i >= 0; i--) { 13501 PackageParser.Permission perm = pkg.permissions.get(i); 13502 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13503 if (bp != null) { 13504 // If the defining package is signed with our cert, it's okay. This 13505 // also includes the "updating the same package" case, of course. 13506 // "updating same package" could also involve key-rotation. 13507 final boolean sigsOk; 13508 if (bp.sourcePackage.equals(pkg.packageName) 13509 && (bp.packageSetting instanceof PackageSetting) 13510 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13511 scanFlags))) { 13512 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13513 } else { 13514 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13515 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13516 } 13517 if (!sigsOk) { 13518 // If the owning package is the system itself, we log but allow 13519 // install to proceed; we fail the install on all other permission 13520 // redefinitions. 13521 if (!bp.sourcePackage.equals("android")) { 13522 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13523 + pkg.packageName + " attempting to redeclare permission " 13524 + perm.info.name + " already owned by " + bp.sourcePackage); 13525 res.origPermission = perm.info.name; 13526 res.origPackage = bp.sourcePackage; 13527 return; 13528 } else { 13529 Slog.w(TAG, "Package " + pkg.packageName 13530 + " attempting to redeclare system permission " 13531 + perm.info.name + "; ignoring new declaration"); 13532 pkg.permissions.remove(i); 13533 } 13534 } 13535 } 13536 } 13537 } 13538 13539 if (systemApp) { 13540 if (onExternal) { 13541 // Abort update; system app can't be replaced with app on sdcard 13542 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13543 "Cannot install updates to system apps on sdcard"); 13544 return; 13545 } else if (ephemeral) { 13546 // Abort update; system app can't be replaced with an ephemeral app 13547 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13548 "Cannot update a system app with an ephemeral app"); 13549 return; 13550 } 13551 } 13552 13553 if (args.move != null) { 13554 // We did an in-place move, so dex is ready to roll 13555 scanFlags |= SCAN_NO_DEX; 13556 scanFlags |= SCAN_MOVE; 13557 13558 synchronized (mPackages) { 13559 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13560 if (ps == null) { 13561 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13562 "Missing settings for moved package " + pkgName); 13563 } 13564 13565 // We moved the entire application as-is, so bring over the 13566 // previously derived ABI information. 13567 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13568 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13569 } 13570 13571 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13572 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13573 scanFlags |= SCAN_NO_DEX; 13574 13575 try { 13576 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13577 args.abiOverride : pkg.cpuAbiOverride); 13578 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13579 true /* extract libs */); 13580 } catch (PackageManagerException pme) { 13581 Slog.e(TAG, "Error deriving application ABI", pme); 13582 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13583 return; 13584 } 13585 13586 // Extract package to save the VM unzipping the APK in memory during 13587 // launch. Only do this if profile-guided compilation is enabled because 13588 // otherwise BackgroundDexOptService will not dexopt the package later. 13589 if (mUseJitProfiles) { 13590 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13591 // Do not run PackageDexOptimizer through the local performDexOpt 13592 // method because `pkg` is not in `mPackages` yet. 13593 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13594 false /* useProfiles */, true /* extractOnly */); 13595 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13596 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 13597 String msg = "Extracking package failed for " + pkgName; 13598 res.setError(INSTALL_FAILED_DEXOPT, msg); 13599 return; 13600 } 13601 } 13602 } 13603 13604 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13605 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13606 return; 13607 } 13608 13609 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13610 13611 if (replace) { 13612 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13613 installerPackageName, volumeUuid, res); 13614 } else { 13615 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13616 args.user, installerPackageName, volumeUuid, res); 13617 } 13618 synchronized (mPackages) { 13619 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13620 if (ps != null) { 13621 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13622 } 13623 } 13624 } 13625 13626 private void startIntentFilterVerifications(int userId, boolean replacing, 13627 PackageParser.Package pkg) { 13628 if (mIntentFilterVerifierComponent == null) { 13629 Slog.w(TAG, "No IntentFilter verification will not be done as " 13630 + "there is no IntentFilterVerifier available!"); 13631 return; 13632 } 13633 13634 final int verifierUid = getPackageUid( 13635 mIntentFilterVerifierComponent.getPackageName(), 13636 MATCH_DEBUG_TRIAGED_MISSING, 13637 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13638 13639 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13640 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13641 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13642 mHandler.sendMessage(msg); 13643 } 13644 13645 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13646 PackageParser.Package pkg) { 13647 int size = pkg.activities.size(); 13648 if (size == 0) { 13649 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13650 "No activity, so no need to verify any IntentFilter!"); 13651 return; 13652 } 13653 13654 final boolean hasDomainURLs = hasDomainURLs(pkg); 13655 if (!hasDomainURLs) { 13656 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13657 "No domain URLs, so no need to verify any IntentFilter!"); 13658 return; 13659 } 13660 13661 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13662 + " if any IntentFilter from the " + size 13663 + " Activities needs verification ..."); 13664 13665 int count = 0; 13666 final String packageName = pkg.packageName; 13667 13668 synchronized (mPackages) { 13669 // If this is a new install and we see that we've already run verification for this 13670 // package, we have nothing to do: it means the state was restored from backup. 13671 if (!replacing) { 13672 IntentFilterVerificationInfo ivi = 13673 mSettings.getIntentFilterVerificationLPr(packageName); 13674 if (ivi != null) { 13675 if (DEBUG_DOMAIN_VERIFICATION) { 13676 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13677 + ivi.getStatusString()); 13678 } 13679 return; 13680 } 13681 } 13682 13683 // If any filters need to be verified, then all need to be. 13684 boolean needToVerify = false; 13685 for (PackageParser.Activity a : pkg.activities) { 13686 for (ActivityIntentInfo filter : a.intents) { 13687 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13688 if (DEBUG_DOMAIN_VERIFICATION) { 13689 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13690 } 13691 needToVerify = true; 13692 break; 13693 } 13694 } 13695 } 13696 13697 if (needToVerify) { 13698 final int verificationId = mIntentFilterVerificationToken++; 13699 for (PackageParser.Activity a : pkg.activities) { 13700 for (ActivityIntentInfo filter : a.intents) { 13701 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13702 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13703 "Verification needed for IntentFilter:" + filter.toString()); 13704 mIntentFilterVerifier.addOneIntentFilterVerification( 13705 verifierUid, userId, verificationId, filter, packageName); 13706 count++; 13707 } 13708 } 13709 } 13710 } 13711 } 13712 13713 if (count > 0) { 13714 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13715 + " IntentFilter verification" + (count > 1 ? "s" : "") 13716 + " for userId:" + userId); 13717 mIntentFilterVerifier.startVerifications(userId); 13718 } else { 13719 if (DEBUG_DOMAIN_VERIFICATION) { 13720 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13721 } 13722 } 13723 } 13724 13725 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13726 final ComponentName cn = filter.activity.getComponentName(); 13727 final String packageName = cn.getPackageName(); 13728 13729 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13730 packageName); 13731 if (ivi == null) { 13732 return true; 13733 } 13734 int status = ivi.getStatus(); 13735 switch (status) { 13736 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13737 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13738 return true; 13739 13740 default: 13741 // Nothing to do 13742 return false; 13743 } 13744 } 13745 13746 private static boolean isMultiArch(ApplicationInfo info) { 13747 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13748 } 13749 13750 private static boolean isExternal(PackageParser.Package pkg) { 13751 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13752 } 13753 13754 private static boolean isExternal(PackageSetting ps) { 13755 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13756 } 13757 13758 private static boolean isEphemeral(PackageParser.Package pkg) { 13759 return pkg.applicationInfo.isEphemeralApp(); 13760 } 13761 13762 private static boolean isEphemeral(PackageSetting ps) { 13763 return ps.pkg != null && isEphemeral(ps.pkg); 13764 } 13765 13766 private static boolean isSystemApp(PackageParser.Package pkg) { 13767 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13768 } 13769 13770 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13771 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13772 } 13773 13774 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13775 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13776 } 13777 13778 private static boolean isSystemApp(PackageSetting ps) { 13779 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13780 } 13781 13782 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13783 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13784 } 13785 13786 private int packageFlagsToInstallFlags(PackageSetting ps) { 13787 int installFlags = 0; 13788 if (isEphemeral(ps)) { 13789 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13790 } 13791 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13792 // This existing package was an external ASEC install when we have 13793 // the external flag without a UUID 13794 installFlags |= PackageManager.INSTALL_EXTERNAL; 13795 } 13796 if (ps.isForwardLocked()) { 13797 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13798 } 13799 return installFlags; 13800 } 13801 13802 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13803 if (isExternal(pkg)) { 13804 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13805 return StorageManager.UUID_PRIMARY_PHYSICAL; 13806 } else { 13807 return pkg.volumeUuid; 13808 } 13809 } else { 13810 return StorageManager.UUID_PRIVATE_INTERNAL; 13811 } 13812 } 13813 13814 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13815 if (isExternal(pkg)) { 13816 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13817 return mSettings.getExternalVersion(); 13818 } else { 13819 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13820 } 13821 } else { 13822 return mSettings.getInternalVersion(); 13823 } 13824 } 13825 13826 private void deleteTempPackageFiles() { 13827 final FilenameFilter filter = new FilenameFilter() { 13828 public boolean accept(File dir, String name) { 13829 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13830 } 13831 }; 13832 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13833 file.delete(); 13834 } 13835 } 13836 13837 @Override 13838 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13839 int flags) { 13840 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13841 flags); 13842 } 13843 13844 @Override 13845 public void deletePackage(final String packageName, 13846 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13847 mContext.enforceCallingOrSelfPermission( 13848 android.Manifest.permission.DELETE_PACKAGES, null); 13849 Preconditions.checkNotNull(packageName); 13850 Preconditions.checkNotNull(observer); 13851 final int uid = Binder.getCallingUid(); 13852 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13853 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13854 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13855 mContext.enforceCallingOrSelfPermission( 13856 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13857 "deletePackage for user " + userId); 13858 } 13859 13860 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13861 try { 13862 observer.onPackageDeleted(packageName, 13863 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13864 } catch (RemoteException re) { 13865 } 13866 return; 13867 } 13868 13869 for (int currentUserId : users) { 13870 if (getBlockUninstallForUser(packageName, currentUserId)) { 13871 try { 13872 observer.onPackageDeleted(packageName, 13873 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13874 } catch (RemoteException re) { 13875 } 13876 return; 13877 } 13878 } 13879 13880 if (DEBUG_REMOVE) { 13881 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13882 } 13883 // Queue up an async operation since the package deletion may take a little while. 13884 mHandler.post(new Runnable() { 13885 public void run() { 13886 mHandler.removeCallbacks(this); 13887 final int returnCode = deletePackageX(packageName, userId, flags); 13888 try { 13889 observer.onPackageDeleted(packageName, returnCode, null); 13890 } catch (RemoteException e) { 13891 Log.i(TAG, "Observer no longer exists."); 13892 } //end catch 13893 } //end run 13894 }); 13895 } 13896 13897 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13898 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13899 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13900 try { 13901 if (dpm != null) { 13902 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13903 /* callingUserOnly =*/ false); 13904 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13905 : deviceOwnerComponentName.getPackageName(); 13906 // Does the package contains the device owner? 13907 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13908 // this check is probably not needed, since DO should be registered as a device 13909 // admin on some user too. (Original bug for this: b/17657954) 13910 if (packageName.equals(deviceOwnerPackageName)) { 13911 return true; 13912 } 13913 // Does it contain a device admin for any user? 13914 int[] users; 13915 if (userId == UserHandle.USER_ALL) { 13916 users = sUserManager.getUserIds(); 13917 } else { 13918 users = new int[]{userId}; 13919 } 13920 for (int i = 0; i < users.length; ++i) { 13921 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13922 return true; 13923 } 13924 } 13925 } 13926 } catch (RemoteException e) { 13927 } 13928 return false; 13929 } 13930 13931 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13932 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13933 } 13934 13935 /** 13936 * This method is an internal method that could be get invoked either 13937 * to delete an installed package or to clean up a failed installation. 13938 * After deleting an installed package, a broadcast is sent to notify any 13939 * listeners that the package has been installed. For cleaning up a failed 13940 * installation, the broadcast is not necessary since the package's 13941 * installation wouldn't have sent the initial broadcast either 13942 * The key steps in deleting a package are 13943 * deleting the package information in internal structures like mPackages, 13944 * deleting the packages base directories through installd 13945 * updating mSettings to reflect current status 13946 * persisting settings for later use 13947 * sending a broadcast if necessary 13948 */ 13949 private int deletePackageX(String packageName, int userId, int flags) { 13950 final PackageRemovedInfo info = new PackageRemovedInfo(); 13951 final boolean res; 13952 13953 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13954 ? UserHandle.ALL : new UserHandle(userId); 13955 13956 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13957 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13958 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13959 } 13960 13961 boolean removedForAllUsers = false; 13962 boolean systemUpdate = false; 13963 13964 PackageParser.Package uninstalledPkg; 13965 13966 // for the uninstall-updates case and restricted profiles, remember the per- 13967 // userhandle installed state 13968 int[] allUsers; 13969 boolean[] perUserInstalled; 13970 synchronized (mPackages) { 13971 uninstalledPkg = mPackages.get(packageName); 13972 PackageSetting ps = mSettings.mPackages.get(packageName); 13973 allUsers = sUserManager.getUserIds(); 13974 perUserInstalled = new boolean[allUsers.length]; 13975 for (int i = 0; i < allUsers.length; i++) { 13976 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13977 } 13978 } 13979 13980 synchronized (mInstallLock) { 13981 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13982 res = deletePackageLI(packageName, removeForUser, true, allUsers, perUserInstalled, 13983 flags | REMOVE_CHATTY, info, true, null); 13984 systemUpdate = info.isRemovedPackageSystemUpdate; 13985 synchronized (mPackages) { 13986 if (res) { 13987 if (!systemUpdate && mPackages.get(packageName) == null) { 13988 removedForAllUsers = true; 13989 } 13990 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13991 } 13992 } 13993 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13994 + " removedForAllUsers=" + removedForAllUsers); 13995 } 13996 13997 if (res) { 13998 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13999 14000 // If the removed package was a system update, the old system package 14001 // was re-enabled; we need to broadcast this information 14002 if (systemUpdate) { 14003 Bundle extras = new Bundle(1); 14004 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 14005 ? info.removedAppId : info.uid); 14006 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14007 14008 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 14009 extras, 0, null, null, null); 14010 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 14011 extras, 0, null, null, null); 14012 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14013 null, 0, packageName, null, null); 14014 } 14015 } 14016 // Force a gc here. 14017 Runtime.getRuntime().gc(); 14018 // Delete the resources here after sending the broadcast to let 14019 // other processes clean up before deleting resources. 14020 if (info.args != null) { 14021 synchronized (mInstallLock) { 14022 info.args.doPostDeleteLI(true); 14023 } 14024 } 14025 14026 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14027 } 14028 14029 class PackageRemovedInfo { 14030 String removedPackage; 14031 int uid = -1; 14032 int removedAppId = -1; 14033 int[] removedUsers = null; 14034 boolean isRemovedPackageSystemUpdate = false; 14035 // Clean up resources deleted packages. 14036 InstallArgs args = null; 14037 14038 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 14039 Bundle extras = new Bundle(1); 14040 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14041 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 14042 if (replacing) { 14043 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14044 } 14045 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14046 if (removedPackage != null) { 14047 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14048 extras, 0, null, null, removedUsers); 14049 if (fullRemove && !replacing) { 14050 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 14051 extras, 0, null, null, removedUsers); 14052 } 14053 } 14054 if (removedAppId >= 0) { 14055 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14056 removedUsers); 14057 } 14058 } 14059 } 14060 14061 /* 14062 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14063 * flag is not set, the data directory is removed as well. 14064 * make sure this flag is set for partially installed apps. If not its meaningless to 14065 * delete a partially installed application. 14066 */ 14067 private void removePackageDataLI(PackageSetting ps, 14068 int[] allUserHandles, boolean[] perUserInstalled, 14069 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14070 String packageName = ps.name; 14071 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14072 removePackageSettingLI(ps, (flags&REMOVE_CHATTY) != 0); 14073 // Retrieve object to delete permissions for shared user later on 14074 final PackageSetting deletedPs; 14075 // reader 14076 synchronized (mPackages) { 14077 deletedPs = mSettings.mPackages.get(packageName); 14078 if (outInfo != null) { 14079 outInfo.removedPackage = packageName; 14080 outInfo.removedUsers = deletedPs != null 14081 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14082 : null; 14083 } 14084 } 14085 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14086 removeDataDirsLI(ps.volumeUuid, packageName); 14087 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14088 } 14089 // writer 14090 synchronized (mPackages) { 14091 if (deletedPs != null) { 14092 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14093 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14094 clearDefaultBrowserIfNeeded(packageName); 14095 if (outInfo != null) { 14096 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14097 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14098 } 14099 updatePermissionsLPw(deletedPs.name, null, 0); 14100 if (deletedPs.sharedUser != null) { 14101 // Remove permissions associated with package. Since runtime 14102 // permissions are per user we have to kill the removed package 14103 // or packages running under the shared user of the removed 14104 // package if revoking the permissions requested only by the removed 14105 // package is successful and this causes a change in gids. 14106 for (int userId : UserManagerService.getInstance().getUserIds()) { 14107 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14108 userId); 14109 if (userIdToKill == UserHandle.USER_ALL 14110 || userIdToKill >= UserHandle.USER_SYSTEM) { 14111 // If gids changed for this user, kill all affected packages. 14112 mHandler.post(new Runnable() { 14113 @Override 14114 public void run() { 14115 // This has to happen with no lock held. 14116 killApplication(deletedPs.name, deletedPs.appId, 14117 KILL_APP_REASON_GIDS_CHANGED); 14118 } 14119 }); 14120 break; 14121 } 14122 } 14123 } 14124 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14125 } 14126 // make sure to preserve per-user disabled state if this removal was just 14127 // a downgrade of a system app to the factory package 14128 if (allUserHandles != null && perUserInstalled != null) { 14129 if (DEBUG_REMOVE) { 14130 Slog.d(TAG, "Propagating install state across downgrade"); 14131 } 14132 for (int i = 0; i < allUserHandles.length; i++) { 14133 if (DEBUG_REMOVE) { 14134 Slog.d(TAG, " user " + allUserHandles[i] 14135 + " => " + perUserInstalled[i]); 14136 } 14137 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 14138 } 14139 } 14140 } 14141 // can downgrade to reader 14142 if (writeSettings) { 14143 // Save settings now 14144 mSettings.writeLPr(); 14145 } 14146 } 14147 if (outInfo != null) { 14148 // A user ID was deleted here. Go through all users and remove it 14149 // from KeyStore. 14150 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14151 } 14152 } 14153 14154 static boolean locationIsPrivileged(File path) { 14155 try { 14156 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14157 .getCanonicalPath(); 14158 return path.getCanonicalPath().startsWith(privilegedAppDir); 14159 } catch (IOException e) { 14160 Slog.e(TAG, "Unable to access code path " + path); 14161 } 14162 return false; 14163 } 14164 14165 /* 14166 * Tries to delete system package. 14167 */ 14168 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14169 PackageSetting deletedPs, int[] allUserHandles, boolean[] perUserInstalled, 14170 int flags, PackageRemovedInfo outInfo, boolean writeSettings, 14171 PackageParser.Package replacingPackage) { 14172 if (deletedPkg.parentPackage != null) { 14173 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14174 return false; 14175 } 14176 14177 final boolean applyUserRestrictions 14178 = (allUserHandles != null) && (perUserInstalled != null); 14179 final PackageSetting disabledPs; 14180 // Confirm if the system package has been updated 14181 // An updated system app can be deleted. This will also have to restore 14182 // the system pkg from system partition 14183 // reader 14184 synchronized (mPackages) { 14185 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPkg.packageName); 14186 } 14187 14188 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14189 + " disabledPs=" + disabledPs); 14190 14191 if (disabledPs == null) { 14192 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14193 return false; 14194 } else if (DEBUG_REMOVE) { 14195 Slog.d(TAG, "Deleting system pkg from data partition"); 14196 } 14197 14198 if (DEBUG_REMOVE) { 14199 if (applyUserRestrictions) { 14200 Slog.d(TAG, "Remembering install states:"); 14201 for (int i = 0; i < allUserHandles.length; i++) { 14202 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 14203 } 14204 } 14205 } 14206 14207 // Delete the updated package 14208 outInfo.isRemovedPackageSystemUpdate = true; 14209 if (disabledPs.versionCode < deletedPs.versionCode) { 14210 // Delete data for downgrades 14211 flags &= ~PackageManager.DELETE_KEEP_DATA; 14212 } else { 14213 // Preserve data by setting flag 14214 flags |= PackageManager.DELETE_KEEP_DATA; 14215 } 14216 boolean ret = deleteInstalledPackageLI(deletedPkg, true, flags, allUserHandles, 14217 perUserInstalled, outInfo, writeSettings, replacingPackage); 14218 if (!ret) { 14219 return false; 14220 } 14221 14222 // writer 14223 synchronized (mPackages) { 14224 // Reinstate the old system package 14225 enableSystemPackageLPw(disabledPs.pkg); 14226 // Remove any native libraries from the upgraded package. 14227 removeNativeBinariesLI(deletedPkg); 14228 } 14229 14230 // Install the system package 14231 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14232 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14233 if (locationIsPrivileged(disabledPs.codePath)) { 14234 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14235 } 14236 14237 final PackageParser.Package newPkg; 14238 try { 14239 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14240 } catch (PackageManagerException e) { 14241 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14242 + e.getMessage()); 14243 return false; 14244 } 14245 14246 prepareAppDataAfterInstall(newPkg); 14247 14248 // writer 14249 synchronized (mPackages) { 14250 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14251 14252 // Propagate the permissions state as we do not want to drop on the floor 14253 // runtime permissions. The update permissions method below will take 14254 // care of removing obsolete permissions and grant install permissions. 14255 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14256 updatePermissionsLPw(newPkg.packageName, newPkg, 14257 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14258 14259 if (applyUserRestrictions) { 14260 if (DEBUG_REMOVE) { 14261 Slog.d(TAG, "Propagating install state across reinstall"); 14262 } 14263 for (int i = 0; i < allUserHandles.length; i++) { 14264 if (DEBUG_REMOVE) { 14265 Slog.d(TAG, " user " + allUserHandles[i] 14266 + " => " + perUserInstalled[i]); 14267 } 14268 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 14269 14270 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 14271 } 14272 // Regardless of writeSettings we need to ensure that this restriction 14273 // state propagation is persisted 14274 mSettings.writeAllUsersPackageRestrictionsLPr(); 14275 } 14276 // can downgrade to reader here 14277 if (writeSettings) { 14278 mSettings.writeLPr(); 14279 } 14280 } 14281 return true; 14282 } 14283 14284 private boolean deleteInstalledPackageLI(PackageParser.Package pkg, 14285 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14286 boolean[] perUserInstalled, PackageRemovedInfo outInfo, boolean writeSettings, 14287 PackageParser.Package replacingPackage) { 14288 PackageSetting ps = null; 14289 14290 synchronized (mPackages) { 14291 pkg = mPackages.get(pkg.packageName); 14292 if (pkg == null) { 14293 return false; 14294 } 14295 14296 ps = mSettings.mPackages.get(pkg.packageName); 14297 if (ps == null) { 14298 return false; 14299 } 14300 14301 if (outInfo != null) { 14302 outInfo.uid = ps.appId; 14303 } 14304 } 14305 14306 // Delete package data from internal structures and also remove data if flag is set 14307 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, 14308 writeSettings); 14309 14310 // Delete the child packages data 14311 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14312 for (int i = 0; i < childCount; i++) { 14313 PackageSetting childPs; 14314 synchronized (mPackages) { 14315 childPs = mSettings.peekPackageLPr(pkg.childPackages.get(i).packageName); 14316 } 14317 if (childPs != null) { 14318 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14319 && (replacingPackage != null 14320 && !replacingPackage.hasChildPackage(childPs.name)) 14321 ? flags & ~DELETE_KEEP_DATA : flags; 14322 removePackageDataLI(childPs, allUserHandles, perUserInstalled, outInfo, 14323 deleteFlags, writeSettings); 14324 } 14325 } 14326 14327 // Delete application code and resources only for parent packages 14328 if (ps.pkg.parentPackage == null) { 14329 if (deleteCodeAndResources && (outInfo != null)) { 14330 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14331 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14332 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14333 } 14334 } 14335 14336 return true; 14337 } 14338 14339 @Override 14340 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14341 int userId) { 14342 mContext.enforceCallingOrSelfPermission( 14343 android.Manifest.permission.DELETE_PACKAGES, null); 14344 synchronized (mPackages) { 14345 PackageSetting ps = mSettings.mPackages.get(packageName); 14346 if (ps == null) { 14347 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14348 return false; 14349 } 14350 if (!ps.getInstalled(userId)) { 14351 // Can't block uninstall for an app that is not installed or enabled. 14352 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14353 return false; 14354 } 14355 ps.setBlockUninstall(blockUninstall, userId); 14356 mSettings.writePackageRestrictionsLPr(userId); 14357 } 14358 return true; 14359 } 14360 14361 @Override 14362 public boolean getBlockUninstallForUser(String packageName, int userId) { 14363 synchronized (mPackages) { 14364 PackageSetting ps = mSettings.mPackages.get(packageName); 14365 if (ps == null) { 14366 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14367 return false; 14368 } 14369 return ps.getBlockUninstall(userId); 14370 } 14371 } 14372 14373 @Override 14374 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14375 int callingUid = Binder.getCallingUid(); 14376 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14377 throw new SecurityException( 14378 "setRequiredForSystemUser can only be run by the system or root"); 14379 } 14380 synchronized (mPackages) { 14381 PackageSetting ps = mSettings.mPackages.get(packageName); 14382 if (ps == null) { 14383 Log.w(TAG, "Package doesn't exist: " + packageName); 14384 return false; 14385 } 14386 if (systemUserApp) { 14387 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14388 } else { 14389 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14390 } 14391 mSettings.writeLPr(); 14392 } 14393 return true; 14394 } 14395 14396 /* 14397 * This method handles package deletion in general 14398 */ 14399 private boolean deletePackageLI(String packageName, UserHandle user, 14400 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 14401 int flags, PackageRemovedInfo outInfo, boolean writeSettings, 14402 PackageParser.Package replacingPackage) { 14403 if (packageName == null) { 14404 Slog.w(TAG, "Attempt to delete null packageName."); 14405 return false; 14406 } 14407 14408 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14409 14410 PackageSetting ps; 14411 int removeUser = -1; 14412 14413 synchronized (mPackages) { 14414 ps = mSettings.mPackages.get(packageName); 14415 if (ps == null) { 14416 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14417 return false; 14418 } 14419 14420 if (ps.pkg.parentPackage != null && (!isSystemApp(ps) 14421 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14422 if (DEBUG_REMOVE) { 14423 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14424 + ((user == null) ? UserHandle.USER_ALL : user)); 14425 } 14426 if (!clearPackageStateForUser(ps, removeUser, outInfo)) { 14427 return false; 14428 } 14429 markPackageUninstalledForUserLPw(ps, user); 14430 scheduleWritePackageRestrictionsLocked(user); 14431 return true; 14432 } 14433 } 14434 14435 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14436 && user.getIdentifier() != UserHandle.USER_ALL)) { 14437 // The caller is asking that the package only be deleted for a single 14438 // user. To do this, we just mark its uninstalled state and delete 14439 // its data. If this is a system app, we only allow this to happen if 14440 // they have set the special DELETE_SYSTEM_APP which requests different 14441 // semantics than normal for uninstalling system apps. 14442 markPackageUninstalledForUserLPw(ps, user); 14443 14444 if (!isSystemApp(ps)) { 14445 // Do not uninstall the APK if an app should be cached 14446 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14447 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14448 // Other user still have this package installed, so all 14449 // we need to do is clear this user's data and save that 14450 // it is uninstalled. 14451 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14452 if (!clearPackageStateForUser(ps, removeUser, outInfo)) { 14453 return false; 14454 } 14455 scheduleWritePackageRestrictionsLocked(user); 14456 return true; 14457 } else { 14458 // We need to set it back to 'installed' so the uninstall 14459 // broadcasts will be sent correctly. 14460 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14461 ps.setInstalled(true, user.getIdentifier()); 14462 } 14463 } else { 14464 // This is a system app, so we assume that the 14465 // other users still have this package installed, so all 14466 // we need to do is clear this user's data and save that 14467 // it is uninstalled. 14468 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14469 if (!clearPackageStateForUser(ps, removeUser, outInfo)) { 14470 return false; 14471 } 14472 scheduleWritePackageRestrictionsLocked(user); 14473 return true; 14474 } 14475 } 14476 14477 boolean ret = false; 14478 if (isSystemApp(ps)) { 14479 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 14480 // When an updated system application is deleted we delete the existing resources as well and 14481 // fall back to existing code in system partition 14482 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, perUserInstalled, 14483 flags, outInfo, writeSettings, replacingPackage); 14484 } else { 14485 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 14486 // Kill application pre-emptively especially for apps on sd. 14487 killApplication(packageName, ps.appId, "uninstall pkg"); 14488 ret = deleteInstalledPackageLI(ps.pkg, deleteCodeAndResources, flags, allUserHandles, 14489 perUserInstalled, outInfo, writeSettings, replacingPackage); 14490 } 14491 14492 return ret; 14493 } 14494 14495 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 14496 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 14497 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 14498 for (int nextUserId : userIds) { 14499 if (DEBUG_REMOVE) { 14500 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 14501 } 14502 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 14503 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 14504 false /*hidden*/, false /*suspended*/, null, null, null, 14505 false /*blockUninstall*/, 14506 ps.readUserState(nextUserId).domainVerificationStatus, 0); 14507 } 14508 } 14509 14510 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 14511 PackageRemovedInfo outInfo) { 14512 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 14513 : new int[] {userId}; 14514 for (int nextUserId : userIds) { 14515 if (DEBUG_REMOVE) { 14516 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 14517 + nextUserId); 14518 } 14519 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 14520 try { 14521 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 14522 } catch (InstallerException e) { 14523 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 14524 return false; 14525 } 14526 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 14527 schedulePackageCleaning(ps.name, nextUserId, false); 14528 synchronized (mPackages) { 14529 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 14530 scheduleWritePackageRestrictionsLocked(nextUserId); 14531 } 14532 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 14533 } 14534 } 14535 14536 if (outInfo != null) { 14537 outInfo.removedPackage = ps.name; 14538 outInfo.removedAppId = ps.appId; 14539 outInfo.removedUsers = userIds; 14540 } 14541 14542 return true; 14543 } 14544 14545 private final class ClearStorageConnection implements ServiceConnection { 14546 IMediaContainerService mContainerService; 14547 14548 @Override 14549 public void onServiceConnected(ComponentName name, IBinder service) { 14550 synchronized (this) { 14551 mContainerService = IMediaContainerService.Stub.asInterface(service); 14552 notifyAll(); 14553 } 14554 } 14555 14556 @Override 14557 public void onServiceDisconnected(ComponentName name) { 14558 } 14559 } 14560 14561 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 14562 final boolean mounted; 14563 if (Environment.isExternalStorageEmulated()) { 14564 mounted = true; 14565 } else { 14566 final String status = Environment.getExternalStorageState(); 14567 14568 mounted = status.equals(Environment.MEDIA_MOUNTED) 14569 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 14570 } 14571 14572 if (!mounted) { 14573 return; 14574 } 14575 14576 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 14577 int[] users; 14578 if (userId == UserHandle.USER_ALL) { 14579 users = sUserManager.getUserIds(); 14580 } else { 14581 users = new int[] { userId }; 14582 } 14583 final ClearStorageConnection conn = new ClearStorageConnection(); 14584 if (mContext.bindServiceAsUser( 14585 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 14586 try { 14587 for (int curUser : users) { 14588 long timeout = SystemClock.uptimeMillis() + 5000; 14589 synchronized (conn) { 14590 long now = SystemClock.uptimeMillis(); 14591 while (conn.mContainerService == null && now < timeout) { 14592 try { 14593 conn.wait(timeout - now); 14594 } catch (InterruptedException e) { 14595 } 14596 } 14597 } 14598 if (conn.mContainerService == null) { 14599 return; 14600 } 14601 14602 final UserEnvironment userEnv = new UserEnvironment(curUser); 14603 clearDirectory(conn.mContainerService, 14604 userEnv.buildExternalStorageAppCacheDirs(packageName)); 14605 if (allData) { 14606 clearDirectory(conn.mContainerService, 14607 userEnv.buildExternalStorageAppDataDirs(packageName)); 14608 clearDirectory(conn.mContainerService, 14609 userEnv.buildExternalStorageAppMediaDirs(packageName)); 14610 } 14611 } 14612 } finally { 14613 mContext.unbindService(conn); 14614 } 14615 } 14616 } 14617 14618 @Override 14619 public void clearApplicationUserData(final String packageName, 14620 final IPackageDataObserver observer, final int userId) { 14621 mContext.enforceCallingOrSelfPermission( 14622 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 14623 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 14624 // Queue up an async operation since the package deletion may take a little while. 14625 mHandler.post(new Runnable() { 14626 public void run() { 14627 mHandler.removeCallbacks(this); 14628 final boolean succeeded; 14629 synchronized (mInstallLock) { 14630 succeeded = clearApplicationUserDataLI(packageName, userId); 14631 } 14632 clearExternalStorageDataSync(packageName, userId, true); 14633 if (succeeded) { 14634 // invoke DeviceStorageMonitor's update method to clear any notifications 14635 DeviceStorageMonitorInternal 14636 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 14637 if (dsm != null) { 14638 dsm.checkMemory(); 14639 } 14640 } 14641 if(observer != null) { 14642 try { 14643 observer.onRemoveCompleted(packageName, succeeded); 14644 } catch (RemoteException e) { 14645 Log.i(TAG, "Observer no longer exists."); 14646 } 14647 } //end if observer 14648 } //end run 14649 }); 14650 } 14651 14652 private boolean clearApplicationUserDataLI(String packageName, int userId) { 14653 if (packageName == null) { 14654 Slog.w(TAG, "Attempt to delete null packageName."); 14655 return false; 14656 } 14657 14658 // Try finding details about the requested package 14659 PackageParser.Package pkg; 14660 synchronized (mPackages) { 14661 pkg = mPackages.get(packageName); 14662 if (pkg == null) { 14663 final PackageSetting ps = mSettings.mPackages.get(packageName); 14664 if (ps != null) { 14665 pkg = ps.pkg; 14666 } 14667 } 14668 14669 if (pkg == null) { 14670 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14671 return false; 14672 } 14673 14674 PackageSetting ps = (PackageSetting) pkg.mExtras; 14675 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14676 } 14677 14678 // Always delete data directories for package, even if we found no other 14679 // record of app. This helps users recover from UID mismatches without 14680 // resorting to a full data wipe. 14681 // TODO: triage flags as part of 26466827 14682 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 14683 try { 14684 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 14685 } catch (InstallerException e) { 14686 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 14687 return false; 14688 } 14689 14690 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 14691 removeKeystoreDataIfNeeded(userId, appId); 14692 14693 // Create a native library symlink only if we have native libraries 14694 // and if the native libraries are 32 bit libraries. We do not provide 14695 // this symlink for 64 bit libraries. 14696 if (pkg.applicationInfo.primaryCpuAbi != null && 14697 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14698 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14699 try { 14700 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14701 nativeLibPath, userId); 14702 } catch (InstallerException e) { 14703 Slog.w(TAG, "Failed linking native library dir", e); 14704 return false; 14705 } 14706 } 14707 14708 return true; 14709 } 14710 14711 /** 14712 * Reverts user permission state changes (permissions and flags) in 14713 * all packages for a given user. 14714 * 14715 * @param userId The device user for which to do a reset. 14716 */ 14717 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14718 final int packageCount = mPackages.size(); 14719 for (int i = 0; i < packageCount; i++) { 14720 PackageParser.Package pkg = mPackages.valueAt(i); 14721 PackageSetting ps = (PackageSetting) pkg.mExtras; 14722 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14723 } 14724 } 14725 14726 /** 14727 * Reverts user permission state changes (permissions and flags). 14728 * 14729 * @param ps The package for which to reset. 14730 * @param userId The device user for which to do a reset. 14731 */ 14732 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14733 final PackageSetting ps, final int userId) { 14734 if (ps.pkg == null) { 14735 return; 14736 } 14737 14738 // These are flags that can change base on user actions. 14739 final int userSettableMask = FLAG_PERMISSION_USER_SET 14740 | FLAG_PERMISSION_USER_FIXED 14741 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14742 | FLAG_PERMISSION_REVIEW_REQUIRED; 14743 14744 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14745 | FLAG_PERMISSION_POLICY_FIXED; 14746 14747 boolean writeInstallPermissions = false; 14748 boolean writeRuntimePermissions = false; 14749 14750 final int permissionCount = ps.pkg.requestedPermissions.size(); 14751 for (int i = 0; i < permissionCount; i++) { 14752 String permission = ps.pkg.requestedPermissions.get(i); 14753 14754 BasePermission bp = mSettings.mPermissions.get(permission); 14755 if (bp == null) { 14756 continue; 14757 } 14758 14759 // If shared user we just reset the state to which only this app contributed. 14760 if (ps.sharedUser != null) { 14761 boolean used = false; 14762 final int packageCount = ps.sharedUser.packages.size(); 14763 for (int j = 0; j < packageCount; j++) { 14764 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14765 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14766 && pkg.pkg.requestedPermissions.contains(permission)) { 14767 used = true; 14768 break; 14769 } 14770 } 14771 if (used) { 14772 continue; 14773 } 14774 } 14775 14776 PermissionsState permissionsState = ps.getPermissionsState(); 14777 14778 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14779 14780 // Always clear the user settable flags. 14781 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14782 bp.name) != null; 14783 // If permission review is enabled and this is a legacy app, mark the 14784 // permission as requiring a review as this is the initial state. 14785 int flags = 0; 14786 if (Build.PERMISSIONS_REVIEW_REQUIRED 14787 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14788 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14789 } 14790 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14791 if (hasInstallState) { 14792 writeInstallPermissions = true; 14793 } else { 14794 writeRuntimePermissions = true; 14795 } 14796 } 14797 14798 // Below is only runtime permission handling. 14799 if (!bp.isRuntime()) { 14800 continue; 14801 } 14802 14803 // Never clobber system or policy. 14804 if ((oldFlags & policyOrSystemFlags) != 0) { 14805 continue; 14806 } 14807 14808 // If this permission was granted by default, make sure it is. 14809 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14810 if (permissionsState.grantRuntimePermission(bp, userId) 14811 != PERMISSION_OPERATION_FAILURE) { 14812 writeRuntimePermissions = true; 14813 } 14814 // If permission review is enabled the permissions for a legacy apps 14815 // are represented as constantly granted runtime ones, so don't revoke. 14816 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14817 // Otherwise, reset the permission. 14818 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14819 switch (revokeResult) { 14820 case PERMISSION_OPERATION_SUCCESS: { 14821 writeRuntimePermissions = true; 14822 } break; 14823 14824 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14825 writeRuntimePermissions = true; 14826 final int appId = ps.appId; 14827 mHandler.post(new Runnable() { 14828 @Override 14829 public void run() { 14830 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14831 } 14832 }); 14833 } break; 14834 } 14835 } 14836 } 14837 14838 // Synchronously write as we are taking permissions away. 14839 if (writeRuntimePermissions) { 14840 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14841 } 14842 14843 // Synchronously write as we are taking permissions away. 14844 if (writeInstallPermissions) { 14845 mSettings.writeLPr(); 14846 } 14847 } 14848 14849 /** 14850 * Remove entries from the keystore daemon. Will only remove it if the 14851 * {@code appId} is valid. 14852 */ 14853 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14854 if (appId < 0) { 14855 return; 14856 } 14857 14858 final KeyStore keyStore = KeyStore.getInstance(); 14859 if (keyStore != null) { 14860 if (userId == UserHandle.USER_ALL) { 14861 for (final int individual : sUserManager.getUserIds()) { 14862 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14863 } 14864 } else { 14865 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14866 } 14867 } else { 14868 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14869 } 14870 } 14871 14872 @Override 14873 public void deleteApplicationCacheFiles(final String packageName, 14874 final IPackageDataObserver observer) { 14875 mContext.enforceCallingOrSelfPermission( 14876 android.Manifest.permission.DELETE_CACHE_FILES, null); 14877 // Queue up an async operation since the package deletion may take a little while. 14878 final int userId = UserHandle.getCallingUserId(); 14879 mHandler.post(new Runnable() { 14880 public void run() { 14881 mHandler.removeCallbacks(this); 14882 final boolean succeded; 14883 synchronized (mInstallLock) { 14884 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14885 } 14886 clearExternalStorageDataSync(packageName, userId, false); 14887 if (observer != null) { 14888 try { 14889 observer.onRemoveCompleted(packageName, succeded); 14890 } catch (RemoteException e) { 14891 Log.i(TAG, "Observer no longer exists."); 14892 } 14893 } //end if observer 14894 } //end run 14895 }); 14896 } 14897 14898 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14899 if (packageName == null) { 14900 Slog.w(TAG, "Attempt to delete null packageName."); 14901 return false; 14902 } 14903 PackageParser.Package p; 14904 synchronized (mPackages) { 14905 p = mPackages.get(packageName); 14906 } 14907 if (p == null) { 14908 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14909 return false; 14910 } 14911 final ApplicationInfo applicationInfo = p.applicationInfo; 14912 if (applicationInfo == null) { 14913 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14914 return false; 14915 } 14916 // TODO: triage flags as part of 26466827 14917 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 14918 try { 14919 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 14920 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 14921 } catch (InstallerException e) { 14922 Slog.w(TAG, "Couldn't remove cache files for package " 14923 + packageName + " u" + userId, e); 14924 return false; 14925 } 14926 return true; 14927 } 14928 14929 @Override 14930 public void getPackageSizeInfo(final String packageName, int userHandle, 14931 final IPackageStatsObserver observer) { 14932 mContext.enforceCallingOrSelfPermission( 14933 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14934 if (packageName == null) { 14935 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14936 } 14937 14938 PackageStats stats = new PackageStats(packageName, userHandle); 14939 14940 /* 14941 * Queue up an async operation since the package measurement may take a 14942 * little while. 14943 */ 14944 Message msg = mHandler.obtainMessage(INIT_COPY); 14945 msg.obj = new MeasureParams(stats, observer); 14946 mHandler.sendMessage(msg); 14947 } 14948 14949 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14950 PackageStats pStats) { 14951 if (packageName == null) { 14952 Slog.w(TAG, "Attempt to get size of null packageName."); 14953 return false; 14954 } 14955 PackageParser.Package p; 14956 boolean dataOnly = false; 14957 String libDirRoot = null; 14958 String asecPath = null; 14959 PackageSetting ps = null; 14960 synchronized (mPackages) { 14961 p = mPackages.get(packageName); 14962 ps = mSettings.mPackages.get(packageName); 14963 if(p == null) { 14964 dataOnly = true; 14965 if((ps == null) || (ps.pkg == null)) { 14966 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14967 return false; 14968 } 14969 p = ps.pkg; 14970 } 14971 if (ps != null) { 14972 libDirRoot = ps.legacyNativeLibraryPathString; 14973 } 14974 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14975 final long token = Binder.clearCallingIdentity(); 14976 try { 14977 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14978 if (secureContainerId != null) { 14979 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14980 } 14981 } finally { 14982 Binder.restoreCallingIdentity(token); 14983 } 14984 } 14985 } 14986 String publicSrcDir = null; 14987 if(!dataOnly) { 14988 final ApplicationInfo applicationInfo = p.applicationInfo; 14989 if (applicationInfo == null) { 14990 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14991 return false; 14992 } 14993 if (p.isForwardLocked()) { 14994 publicSrcDir = applicationInfo.getBaseResourcePath(); 14995 } 14996 } 14997 // TODO: extend to measure size of split APKs 14998 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14999 // not just the first level. 15000 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15001 // just the primary. 15002 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15003 15004 String apkPath; 15005 File packageDir = new File(p.codePath); 15006 15007 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15008 apkPath = packageDir.getAbsolutePath(); 15009 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15010 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15011 libDirRoot = null; 15012 } 15013 } else { 15014 apkPath = p.baseCodePath; 15015 } 15016 15017 // TODO: triage flags as part of 26466827 15018 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15019 try { 15020 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15021 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15022 } catch (InstallerException e) { 15023 return false; 15024 } 15025 15026 // Fix-up for forward-locked applications in ASEC containers. 15027 if (!isExternal(p)) { 15028 pStats.codeSize += pStats.externalCodeSize; 15029 pStats.externalCodeSize = 0L; 15030 } 15031 15032 return true; 15033 } 15034 15035 15036 @Override 15037 public void addPackageToPreferred(String packageName) { 15038 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 15039 } 15040 15041 @Override 15042 public void removePackageFromPreferred(String packageName) { 15043 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 15044 } 15045 15046 @Override 15047 public List<PackageInfo> getPreferredPackages(int flags) { 15048 return new ArrayList<PackageInfo>(); 15049 } 15050 15051 private int getUidTargetSdkVersionLockedLPr(int uid) { 15052 Object obj = mSettings.getUserIdLPr(uid); 15053 if (obj instanceof SharedUserSetting) { 15054 final SharedUserSetting sus = (SharedUserSetting) obj; 15055 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15056 final Iterator<PackageSetting> it = sus.packages.iterator(); 15057 while (it.hasNext()) { 15058 final PackageSetting ps = it.next(); 15059 if (ps.pkg != null) { 15060 int v = ps.pkg.applicationInfo.targetSdkVersion; 15061 if (v < vers) vers = v; 15062 } 15063 } 15064 return vers; 15065 } else if (obj instanceof PackageSetting) { 15066 final PackageSetting ps = (PackageSetting) obj; 15067 if (ps.pkg != null) { 15068 return ps.pkg.applicationInfo.targetSdkVersion; 15069 } 15070 } 15071 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15072 } 15073 15074 @Override 15075 public void addPreferredActivity(IntentFilter filter, int match, 15076 ComponentName[] set, ComponentName activity, int userId) { 15077 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15078 "Adding preferred"); 15079 } 15080 15081 private void addPreferredActivityInternal(IntentFilter filter, int match, 15082 ComponentName[] set, ComponentName activity, boolean always, int userId, 15083 String opname) { 15084 // writer 15085 int callingUid = Binder.getCallingUid(); 15086 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 15087 if (filter.countActions() == 0) { 15088 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15089 return; 15090 } 15091 synchronized (mPackages) { 15092 if (mContext.checkCallingOrSelfPermission( 15093 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15094 != PackageManager.PERMISSION_GRANTED) { 15095 if (getUidTargetSdkVersionLockedLPr(callingUid) 15096 < Build.VERSION_CODES.FROYO) { 15097 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15098 + callingUid); 15099 return; 15100 } 15101 mContext.enforceCallingOrSelfPermission( 15102 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15103 } 15104 15105 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15106 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15107 + userId + ":"); 15108 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15109 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15110 scheduleWritePackageRestrictionsLocked(userId); 15111 } 15112 } 15113 15114 @Override 15115 public void replacePreferredActivity(IntentFilter filter, int match, 15116 ComponentName[] set, ComponentName activity, int userId) { 15117 if (filter.countActions() != 1) { 15118 throw new IllegalArgumentException( 15119 "replacePreferredActivity expects filter to have only 1 action."); 15120 } 15121 if (filter.countDataAuthorities() != 0 15122 || filter.countDataPaths() != 0 15123 || filter.countDataSchemes() > 1 15124 || filter.countDataTypes() != 0) { 15125 throw new IllegalArgumentException( 15126 "replacePreferredActivity expects filter to have no data authorities, " + 15127 "paths, or types; and at most one scheme."); 15128 } 15129 15130 final int callingUid = Binder.getCallingUid(); 15131 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 15132 synchronized (mPackages) { 15133 if (mContext.checkCallingOrSelfPermission( 15134 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15135 != PackageManager.PERMISSION_GRANTED) { 15136 if (getUidTargetSdkVersionLockedLPr(callingUid) 15137 < Build.VERSION_CODES.FROYO) { 15138 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15139 + Binder.getCallingUid()); 15140 return; 15141 } 15142 mContext.enforceCallingOrSelfPermission( 15143 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15144 } 15145 15146 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15147 if (pir != null) { 15148 // Get all of the existing entries that exactly match this filter. 15149 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15150 if (existing != null && existing.size() == 1) { 15151 PreferredActivity cur = existing.get(0); 15152 if (DEBUG_PREFERRED) { 15153 Slog.i(TAG, "Checking replace of preferred:"); 15154 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15155 if (!cur.mPref.mAlways) { 15156 Slog.i(TAG, " -- CUR; not mAlways!"); 15157 } else { 15158 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15159 Slog.i(TAG, " -- CUR: mSet=" 15160 + Arrays.toString(cur.mPref.mSetComponents)); 15161 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15162 Slog.i(TAG, " -- NEW: mMatch=" 15163 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15164 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15165 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15166 } 15167 } 15168 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15169 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15170 && cur.mPref.sameSet(set)) { 15171 // Setting the preferred activity to what it happens to be already 15172 if (DEBUG_PREFERRED) { 15173 Slog.i(TAG, "Replacing with same preferred activity " 15174 + cur.mPref.mShortComponent + " for user " 15175 + userId + ":"); 15176 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15177 } 15178 return; 15179 } 15180 } 15181 15182 if (existing != null) { 15183 if (DEBUG_PREFERRED) { 15184 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15185 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15186 } 15187 for (int i = 0; i < existing.size(); i++) { 15188 PreferredActivity pa = existing.get(i); 15189 if (DEBUG_PREFERRED) { 15190 Slog.i(TAG, "Removing existing preferred activity " 15191 + pa.mPref.mComponent + ":"); 15192 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15193 } 15194 pir.removeFilter(pa); 15195 } 15196 } 15197 } 15198 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15199 "Replacing preferred"); 15200 } 15201 } 15202 15203 @Override 15204 public void clearPackagePreferredActivities(String packageName) { 15205 final int uid = Binder.getCallingUid(); 15206 // writer 15207 synchronized (mPackages) { 15208 PackageParser.Package pkg = mPackages.get(packageName); 15209 if (pkg == null || pkg.applicationInfo.uid != uid) { 15210 if (mContext.checkCallingOrSelfPermission( 15211 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15212 != PackageManager.PERMISSION_GRANTED) { 15213 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15214 < Build.VERSION_CODES.FROYO) { 15215 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15216 + Binder.getCallingUid()); 15217 return; 15218 } 15219 mContext.enforceCallingOrSelfPermission( 15220 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15221 } 15222 } 15223 15224 int user = UserHandle.getCallingUserId(); 15225 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15226 scheduleWritePackageRestrictionsLocked(user); 15227 } 15228 } 15229 } 15230 15231 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15232 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15233 ArrayList<PreferredActivity> removed = null; 15234 boolean changed = false; 15235 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15236 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15237 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15238 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15239 continue; 15240 } 15241 Iterator<PreferredActivity> it = pir.filterIterator(); 15242 while (it.hasNext()) { 15243 PreferredActivity pa = it.next(); 15244 // Mark entry for removal only if it matches the package name 15245 // and the entry is of type "always". 15246 if (packageName == null || 15247 (pa.mPref.mComponent.getPackageName().equals(packageName) 15248 && pa.mPref.mAlways)) { 15249 if (removed == null) { 15250 removed = new ArrayList<PreferredActivity>(); 15251 } 15252 removed.add(pa); 15253 } 15254 } 15255 if (removed != null) { 15256 for (int j=0; j<removed.size(); j++) { 15257 PreferredActivity pa = removed.get(j); 15258 pir.removeFilter(pa); 15259 } 15260 changed = true; 15261 } 15262 } 15263 return changed; 15264 } 15265 15266 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15267 private void clearIntentFilterVerificationsLPw(int userId) { 15268 final int packageCount = mPackages.size(); 15269 for (int i = 0; i < packageCount; i++) { 15270 PackageParser.Package pkg = mPackages.valueAt(i); 15271 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15272 } 15273 } 15274 15275 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15276 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15277 if (userId == UserHandle.USER_ALL) { 15278 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15279 sUserManager.getUserIds())) { 15280 for (int oneUserId : sUserManager.getUserIds()) { 15281 scheduleWritePackageRestrictionsLocked(oneUserId); 15282 } 15283 } 15284 } else { 15285 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15286 scheduleWritePackageRestrictionsLocked(userId); 15287 } 15288 } 15289 } 15290 15291 void clearDefaultBrowserIfNeeded(String packageName) { 15292 for (int oneUserId : sUserManager.getUserIds()) { 15293 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15294 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15295 if (packageName.equals(defaultBrowserPackageName)) { 15296 setDefaultBrowserPackageName(null, oneUserId); 15297 } 15298 } 15299 } 15300 15301 @Override 15302 public void resetApplicationPreferences(int userId) { 15303 mContext.enforceCallingOrSelfPermission( 15304 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15305 // writer 15306 synchronized (mPackages) { 15307 final long identity = Binder.clearCallingIdentity(); 15308 try { 15309 clearPackagePreferredActivitiesLPw(null, userId); 15310 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15311 // TODO: We have to reset the default SMS and Phone. This requires 15312 // significant refactoring to keep all default apps in the package 15313 // manager (cleaner but more work) or have the services provide 15314 // callbacks to the package manager to request a default app reset. 15315 applyFactoryDefaultBrowserLPw(userId); 15316 clearIntentFilterVerificationsLPw(userId); 15317 primeDomainVerificationsLPw(userId); 15318 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15319 scheduleWritePackageRestrictionsLocked(userId); 15320 } finally { 15321 Binder.restoreCallingIdentity(identity); 15322 } 15323 } 15324 } 15325 15326 @Override 15327 public int getPreferredActivities(List<IntentFilter> outFilters, 15328 List<ComponentName> outActivities, String packageName) { 15329 15330 int num = 0; 15331 final int userId = UserHandle.getCallingUserId(); 15332 // reader 15333 synchronized (mPackages) { 15334 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15335 if (pir != null) { 15336 final Iterator<PreferredActivity> it = pir.filterIterator(); 15337 while (it.hasNext()) { 15338 final PreferredActivity pa = it.next(); 15339 if (packageName == null 15340 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15341 && pa.mPref.mAlways)) { 15342 if (outFilters != null) { 15343 outFilters.add(new IntentFilter(pa)); 15344 } 15345 if (outActivities != null) { 15346 outActivities.add(pa.mPref.mComponent); 15347 } 15348 } 15349 } 15350 } 15351 } 15352 15353 return num; 15354 } 15355 15356 @Override 15357 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15358 int userId) { 15359 int callingUid = Binder.getCallingUid(); 15360 if (callingUid != Process.SYSTEM_UID) { 15361 throw new SecurityException( 15362 "addPersistentPreferredActivity can only be run by the system"); 15363 } 15364 if (filter.countActions() == 0) { 15365 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15366 return; 15367 } 15368 synchronized (mPackages) { 15369 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15370 ":"); 15371 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15372 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15373 new PersistentPreferredActivity(filter, activity)); 15374 scheduleWritePackageRestrictionsLocked(userId); 15375 } 15376 } 15377 15378 @Override 15379 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15380 int callingUid = Binder.getCallingUid(); 15381 if (callingUid != Process.SYSTEM_UID) { 15382 throw new SecurityException( 15383 "clearPackagePersistentPreferredActivities can only be run by the system"); 15384 } 15385 ArrayList<PersistentPreferredActivity> removed = null; 15386 boolean changed = false; 15387 synchronized (mPackages) { 15388 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15389 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15390 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15391 .valueAt(i); 15392 if (userId != thisUserId) { 15393 continue; 15394 } 15395 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15396 while (it.hasNext()) { 15397 PersistentPreferredActivity ppa = it.next(); 15398 // Mark entry for removal only if it matches the package name. 15399 if (ppa.mComponent.getPackageName().equals(packageName)) { 15400 if (removed == null) { 15401 removed = new ArrayList<PersistentPreferredActivity>(); 15402 } 15403 removed.add(ppa); 15404 } 15405 } 15406 if (removed != null) { 15407 for (int j=0; j<removed.size(); j++) { 15408 PersistentPreferredActivity ppa = removed.get(j); 15409 ppir.removeFilter(ppa); 15410 } 15411 changed = true; 15412 } 15413 } 15414 15415 if (changed) { 15416 scheduleWritePackageRestrictionsLocked(userId); 15417 } 15418 } 15419 } 15420 15421 /** 15422 * Common machinery for picking apart a restored XML blob and passing 15423 * it to a caller-supplied functor to be applied to the running system. 15424 */ 15425 private void restoreFromXml(XmlPullParser parser, int userId, 15426 String expectedStartTag, BlobXmlRestorer functor) 15427 throws IOException, XmlPullParserException { 15428 int type; 15429 while ((type = parser.next()) != XmlPullParser.START_TAG 15430 && type != XmlPullParser.END_DOCUMENT) { 15431 } 15432 if (type != XmlPullParser.START_TAG) { 15433 // oops didn't find a start tag?! 15434 if (DEBUG_BACKUP) { 15435 Slog.e(TAG, "Didn't find start tag during restore"); 15436 } 15437 return; 15438 } 15439Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 15440 // this is supposed to be TAG_PREFERRED_BACKUP 15441 if (!expectedStartTag.equals(parser.getName())) { 15442 if (DEBUG_BACKUP) { 15443 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 15444 } 15445 return; 15446 } 15447 15448 // skip interfering stuff, then we're aligned with the backing implementation 15449 while ((type = parser.next()) == XmlPullParser.TEXT) { } 15450Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 15451 functor.apply(parser, userId); 15452 } 15453 15454 private interface BlobXmlRestorer { 15455 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 15456 } 15457 15458 /** 15459 * Non-Binder method, support for the backup/restore mechanism: write the 15460 * full set of preferred activities in its canonical XML format. Returns the 15461 * XML output as a byte array, or null if there is none. 15462 */ 15463 @Override 15464 public byte[] getPreferredActivityBackup(int userId) { 15465 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15466 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 15467 } 15468 15469 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15470 try { 15471 final XmlSerializer serializer = new FastXmlSerializer(); 15472 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15473 serializer.startDocument(null, true); 15474 serializer.startTag(null, TAG_PREFERRED_BACKUP); 15475 15476 synchronized (mPackages) { 15477 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 15478 } 15479 15480 serializer.endTag(null, TAG_PREFERRED_BACKUP); 15481 serializer.endDocument(); 15482 serializer.flush(); 15483 } catch (Exception e) { 15484 if (DEBUG_BACKUP) { 15485 Slog.e(TAG, "Unable to write preferred activities for backup", e); 15486 } 15487 return null; 15488 } 15489 15490 return dataStream.toByteArray(); 15491 } 15492 15493 @Override 15494 public void restorePreferredActivities(byte[] backup, int userId) { 15495 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15496 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15497 } 15498 15499 try { 15500 final XmlPullParser parser = Xml.newPullParser(); 15501 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15502 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 15503 new BlobXmlRestorer() { 15504 @Override 15505 public void apply(XmlPullParser parser, int userId) 15506 throws XmlPullParserException, IOException { 15507 synchronized (mPackages) { 15508 mSettings.readPreferredActivitiesLPw(parser, userId); 15509 } 15510 } 15511 } ); 15512 } catch (Exception e) { 15513 if (DEBUG_BACKUP) { 15514 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15515 } 15516 } 15517 } 15518 15519 /** 15520 * Non-Binder method, support for the backup/restore mechanism: write the 15521 * default browser (etc) settings in its canonical XML format. Returns the default 15522 * browser XML representation as a byte array, or null if there is none. 15523 */ 15524 @Override 15525 public byte[] getDefaultAppsBackup(int userId) { 15526 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15527 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 15528 } 15529 15530 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15531 try { 15532 final XmlSerializer serializer = new FastXmlSerializer(); 15533 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15534 serializer.startDocument(null, true); 15535 serializer.startTag(null, TAG_DEFAULT_APPS); 15536 15537 synchronized (mPackages) { 15538 mSettings.writeDefaultAppsLPr(serializer, userId); 15539 } 15540 15541 serializer.endTag(null, TAG_DEFAULT_APPS); 15542 serializer.endDocument(); 15543 serializer.flush(); 15544 } catch (Exception e) { 15545 if (DEBUG_BACKUP) { 15546 Slog.e(TAG, "Unable to write default apps for backup", e); 15547 } 15548 return null; 15549 } 15550 15551 return dataStream.toByteArray(); 15552 } 15553 15554 @Override 15555 public void restoreDefaultApps(byte[] backup, int userId) { 15556 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15557 throw new SecurityException("Only the system may call restoreDefaultApps()"); 15558 } 15559 15560 try { 15561 final XmlPullParser parser = Xml.newPullParser(); 15562 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15563 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 15564 new BlobXmlRestorer() { 15565 @Override 15566 public void apply(XmlPullParser parser, int userId) 15567 throws XmlPullParserException, IOException { 15568 synchronized (mPackages) { 15569 mSettings.readDefaultAppsLPw(parser, userId); 15570 } 15571 } 15572 } ); 15573 } catch (Exception e) { 15574 if (DEBUG_BACKUP) { 15575 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 15576 } 15577 } 15578 } 15579 15580 @Override 15581 public byte[] getIntentFilterVerificationBackup(int userId) { 15582 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15583 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 15584 } 15585 15586 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15587 try { 15588 final XmlSerializer serializer = new FastXmlSerializer(); 15589 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15590 serializer.startDocument(null, true); 15591 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 15592 15593 synchronized (mPackages) { 15594 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 15595 } 15596 15597 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 15598 serializer.endDocument(); 15599 serializer.flush(); 15600 } catch (Exception e) { 15601 if (DEBUG_BACKUP) { 15602 Slog.e(TAG, "Unable to write default apps for backup", e); 15603 } 15604 return null; 15605 } 15606 15607 return dataStream.toByteArray(); 15608 } 15609 15610 @Override 15611 public void restoreIntentFilterVerification(byte[] backup, int userId) { 15612 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15613 throw new SecurityException("Only the system may call restorePreferredActivities()"); 15614 } 15615 15616 try { 15617 final XmlPullParser parser = Xml.newPullParser(); 15618 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15619 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 15620 new BlobXmlRestorer() { 15621 @Override 15622 public void apply(XmlPullParser parser, int userId) 15623 throws XmlPullParserException, IOException { 15624 synchronized (mPackages) { 15625 mSettings.readAllDomainVerificationsLPr(parser, userId); 15626 mSettings.writeLPr(); 15627 } 15628 } 15629 } ); 15630 } catch (Exception e) { 15631 if (DEBUG_BACKUP) { 15632 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15633 } 15634 } 15635 } 15636 15637 @Override 15638 public byte[] getPermissionGrantBackup(int userId) { 15639 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15640 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 15641 } 15642 15643 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 15644 try { 15645 final XmlSerializer serializer = new FastXmlSerializer(); 15646 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 15647 serializer.startDocument(null, true); 15648 serializer.startTag(null, TAG_PERMISSION_BACKUP); 15649 15650 synchronized (mPackages) { 15651 serializeRuntimePermissionGrantsLPr(serializer, userId); 15652 } 15653 15654 serializer.endTag(null, TAG_PERMISSION_BACKUP); 15655 serializer.endDocument(); 15656 serializer.flush(); 15657 } catch (Exception e) { 15658 if (DEBUG_BACKUP) { 15659 Slog.e(TAG, "Unable to write default apps for backup", e); 15660 } 15661 return null; 15662 } 15663 15664 return dataStream.toByteArray(); 15665 } 15666 15667 @Override 15668 public void restorePermissionGrants(byte[] backup, int userId) { 15669 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 15670 throw new SecurityException("Only the system may call restorePermissionGrants()"); 15671 } 15672 15673 try { 15674 final XmlPullParser parser = Xml.newPullParser(); 15675 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 15676 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 15677 new BlobXmlRestorer() { 15678 @Override 15679 public void apply(XmlPullParser parser, int userId) 15680 throws XmlPullParserException, IOException { 15681 synchronized (mPackages) { 15682 processRestoredPermissionGrantsLPr(parser, userId); 15683 } 15684 } 15685 } ); 15686 } catch (Exception e) { 15687 if (DEBUG_BACKUP) { 15688 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15689 } 15690 } 15691 } 15692 15693 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 15694 throws IOException { 15695 serializer.startTag(null, TAG_ALL_GRANTS); 15696 15697 final int N = mSettings.mPackages.size(); 15698 for (int i = 0; i < N; i++) { 15699 final PackageSetting ps = mSettings.mPackages.valueAt(i); 15700 boolean pkgGrantsKnown = false; 15701 15702 PermissionsState packagePerms = ps.getPermissionsState(); 15703 15704 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 15705 final int grantFlags = state.getFlags(); 15706 // only look at grants that are not system/policy fixed 15707 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 15708 final boolean isGranted = state.isGranted(); 15709 // And only back up the user-twiddled state bits 15710 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 15711 final String packageName = mSettings.mPackages.keyAt(i); 15712 if (!pkgGrantsKnown) { 15713 serializer.startTag(null, TAG_GRANT); 15714 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 15715 pkgGrantsKnown = true; 15716 } 15717 15718 final boolean userSet = 15719 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 15720 final boolean userFixed = 15721 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 15722 final boolean revoke = 15723 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 15724 15725 serializer.startTag(null, TAG_PERMISSION); 15726 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 15727 if (isGranted) { 15728 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 15729 } 15730 if (userSet) { 15731 serializer.attribute(null, ATTR_USER_SET, "true"); 15732 } 15733 if (userFixed) { 15734 serializer.attribute(null, ATTR_USER_FIXED, "true"); 15735 } 15736 if (revoke) { 15737 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 15738 } 15739 serializer.endTag(null, TAG_PERMISSION); 15740 } 15741 } 15742 } 15743 15744 if (pkgGrantsKnown) { 15745 serializer.endTag(null, TAG_GRANT); 15746 } 15747 } 15748 15749 serializer.endTag(null, TAG_ALL_GRANTS); 15750 } 15751 15752 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 15753 throws XmlPullParserException, IOException { 15754 String pkgName = null; 15755 int outerDepth = parser.getDepth(); 15756 int type; 15757 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 15758 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 15759 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 15760 continue; 15761 } 15762 15763 final String tagName = parser.getName(); 15764 if (tagName.equals(TAG_GRANT)) { 15765 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 15766 if (DEBUG_BACKUP) { 15767 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 15768 } 15769 } else if (tagName.equals(TAG_PERMISSION)) { 15770 15771 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 15772 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 15773 15774 int newFlagSet = 0; 15775 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 15776 newFlagSet |= FLAG_PERMISSION_USER_SET; 15777 } 15778 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 15779 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 15780 } 15781 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 15782 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 15783 } 15784 if (DEBUG_BACKUP) { 15785 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 15786 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 15787 } 15788 final PackageSetting ps = mSettings.mPackages.get(pkgName); 15789 if (ps != null) { 15790 // Already installed so we apply the grant immediately 15791 if (DEBUG_BACKUP) { 15792 Slog.v(TAG, " + already installed; applying"); 15793 } 15794 PermissionsState perms = ps.getPermissionsState(); 15795 BasePermission bp = mSettings.mPermissions.get(permName); 15796 if (bp != null) { 15797 if (isGranted) { 15798 perms.grantRuntimePermission(bp, userId); 15799 } 15800 if (newFlagSet != 0) { 15801 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 15802 } 15803 } 15804 } else { 15805 // Need to wait for post-restore install to apply the grant 15806 if (DEBUG_BACKUP) { 15807 Slog.v(TAG, " - not yet installed; saving for later"); 15808 } 15809 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 15810 isGranted, newFlagSet, userId); 15811 } 15812 } else { 15813 PackageManagerService.reportSettingsProblem(Log.WARN, 15814 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 15815 XmlUtils.skipCurrentTag(parser); 15816 } 15817 } 15818 15819 scheduleWriteSettingsLocked(); 15820 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 15821 } 15822 15823 @Override 15824 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 15825 int sourceUserId, int targetUserId, int flags) { 15826 mContext.enforceCallingOrSelfPermission( 15827 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15828 int callingUid = Binder.getCallingUid(); 15829 enforceOwnerRights(ownerPackage, callingUid); 15830 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15831 if (intentFilter.countActions() == 0) { 15832 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 15833 return; 15834 } 15835 synchronized (mPackages) { 15836 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 15837 ownerPackage, targetUserId, flags); 15838 CrossProfileIntentResolver resolver = 15839 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15840 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 15841 // We have all those whose filter is equal. Now checking if the rest is equal as well. 15842 if (existing != null) { 15843 int size = existing.size(); 15844 for (int i = 0; i < size; i++) { 15845 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 15846 return; 15847 } 15848 } 15849 } 15850 resolver.addFilter(newFilter); 15851 scheduleWritePackageRestrictionsLocked(sourceUserId); 15852 } 15853 } 15854 15855 @Override 15856 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 15857 mContext.enforceCallingOrSelfPermission( 15858 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15859 int callingUid = Binder.getCallingUid(); 15860 enforceOwnerRights(ownerPackage, callingUid); 15861 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15862 synchronized (mPackages) { 15863 CrossProfileIntentResolver resolver = 15864 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15865 ArraySet<CrossProfileIntentFilter> set = 15866 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 15867 for (CrossProfileIntentFilter filter : set) { 15868 if (filter.getOwnerPackage().equals(ownerPackage)) { 15869 resolver.removeFilter(filter); 15870 } 15871 } 15872 scheduleWritePackageRestrictionsLocked(sourceUserId); 15873 } 15874 } 15875 15876 // Enforcing that callingUid is owning pkg on userId 15877 private void enforceOwnerRights(String pkg, int callingUid) { 15878 // The system owns everything. 15879 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15880 return; 15881 } 15882 int callingUserId = UserHandle.getUserId(callingUid); 15883 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15884 if (pi == null) { 15885 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15886 + callingUserId); 15887 } 15888 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15889 throw new SecurityException("Calling uid " + callingUid 15890 + " does not own package " + pkg); 15891 } 15892 } 15893 15894 @Override 15895 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15896 Intent intent = new Intent(Intent.ACTION_MAIN); 15897 intent.addCategory(Intent.CATEGORY_HOME); 15898 15899 final int callingUserId = UserHandle.getCallingUserId(); 15900 List<ResolveInfo> list = queryIntentActivities(intent, null, 15901 PackageManager.GET_META_DATA, callingUserId); 15902 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15903 true, false, false, callingUserId); 15904 15905 allHomeCandidates.clear(); 15906 if (list != null) { 15907 for (ResolveInfo ri : list) { 15908 allHomeCandidates.add(ri); 15909 } 15910 } 15911 return (preferred == null || preferred.activityInfo == null) 15912 ? null 15913 : new ComponentName(preferred.activityInfo.packageName, 15914 preferred.activityInfo.name); 15915 } 15916 15917 @Override 15918 public void setApplicationEnabledSetting(String appPackageName, 15919 int newState, int flags, int userId, String callingPackage) { 15920 if (!sUserManager.exists(userId)) return; 15921 if (callingPackage == null) { 15922 callingPackage = Integer.toString(Binder.getCallingUid()); 15923 } 15924 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15925 } 15926 15927 @Override 15928 public void setComponentEnabledSetting(ComponentName componentName, 15929 int newState, int flags, int userId) { 15930 if (!sUserManager.exists(userId)) return; 15931 setEnabledSetting(componentName.getPackageName(), 15932 componentName.getClassName(), newState, flags, userId, null); 15933 } 15934 15935 private void setEnabledSetting(final String packageName, String className, int newState, 15936 final int flags, int userId, String callingPackage) { 15937 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15938 || newState == COMPONENT_ENABLED_STATE_ENABLED 15939 || newState == COMPONENT_ENABLED_STATE_DISABLED 15940 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15941 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15942 throw new IllegalArgumentException("Invalid new component state: " 15943 + newState); 15944 } 15945 PackageSetting pkgSetting; 15946 final int uid = Binder.getCallingUid(); 15947 final int permission = mContext.checkCallingOrSelfPermission( 15948 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15949 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15950 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15951 boolean sendNow = false; 15952 boolean isApp = (className == null); 15953 String componentName = isApp ? packageName : className; 15954 int packageUid = -1; 15955 ArrayList<String> components; 15956 15957 // writer 15958 synchronized (mPackages) { 15959 pkgSetting = mSettings.mPackages.get(packageName); 15960 if (pkgSetting == null) { 15961 if (className == null) { 15962 throw new IllegalArgumentException("Unknown package: " + packageName); 15963 } 15964 throw new IllegalArgumentException( 15965 "Unknown component: " + packageName + "/" + className); 15966 } 15967 // Allow root and verify that userId is not being specified by a different user 15968 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15969 throw new SecurityException( 15970 "Permission Denial: attempt to change component state from pid=" 15971 + Binder.getCallingPid() 15972 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15973 } 15974 if (className == null) { 15975 // We're dealing with an application/package level state change 15976 if (pkgSetting.getEnabled(userId) == newState) { 15977 // Nothing to do 15978 return; 15979 } 15980 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15981 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15982 // Don't care about who enables an app. 15983 callingPackage = null; 15984 } 15985 pkgSetting.setEnabled(newState, userId, callingPackage); 15986 // pkgSetting.pkg.mSetEnabled = newState; 15987 } else { 15988 // We're dealing with a component level state change 15989 // First, verify that this is a valid class name. 15990 PackageParser.Package pkg = pkgSetting.pkg; 15991 if (pkg == null || !pkg.hasComponentClassName(className)) { 15992 if (pkg != null && 15993 pkg.applicationInfo.targetSdkVersion >= 15994 Build.VERSION_CODES.JELLY_BEAN) { 15995 throw new IllegalArgumentException("Component class " + className 15996 + " does not exist in " + packageName); 15997 } else { 15998 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15999 + className + " does not exist in " + packageName); 16000 } 16001 } 16002 switch (newState) { 16003 case COMPONENT_ENABLED_STATE_ENABLED: 16004 if (!pkgSetting.enableComponentLPw(className, userId)) { 16005 return; 16006 } 16007 break; 16008 case COMPONENT_ENABLED_STATE_DISABLED: 16009 if (!pkgSetting.disableComponentLPw(className, userId)) { 16010 return; 16011 } 16012 break; 16013 case COMPONENT_ENABLED_STATE_DEFAULT: 16014 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16015 return; 16016 } 16017 break; 16018 default: 16019 Slog.e(TAG, "Invalid new component state: " + newState); 16020 return; 16021 } 16022 } 16023 scheduleWritePackageRestrictionsLocked(userId); 16024 components = mPendingBroadcasts.get(userId, packageName); 16025 final boolean newPackage = components == null; 16026 if (newPackage) { 16027 components = new ArrayList<String>(); 16028 } 16029 if (!components.contains(componentName)) { 16030 components.add(componentName); 16031 } 16032 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16033 sendNow = true; 16034 // Purge entry from pending broadcast list if another one exists already 16035 // since we are sending one right away. 16036 mPendingBroadcasts.remove(userId, packageName); 16037 } else { 16038 if (newPackage) { 16039 mPendingBroadcasts.put(userId, packageName, components); 16040 } 16041 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16042 // Schedule a message 16043 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16044 } 16045 } 16046 } 16047 16048 long callingId = Binder.clearCallingIdentity(); 16049 try { 16050 if (sendNow) { 16051 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16052 sendPackageChangedBroadcast(packageName, 16053 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16054 } 16055 } finally { 16056 Binder.restoreCallingIdentity(callingId); 16057 } 16058 } 16059 16060 private void sendPackageChangedBroadcast(String packageName, 16061 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16062 if (DEBUG_INSTALL) 16063 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16064 + componentNames); 16065 Bundle extras = new Bundle(4); 16066 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16067 String nameList[] = new String[componentNames.size()]; 16068 componentNames.toArray(nameList); 16069 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16070 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16071 extras.putInt(Intent.EXTRA_UID, packageUid); 16072 // If this is not reporting a change of the overall package, then only send it 16073 // to registered receivers. We don't want to launch a swath of apps for every 16074 // little component state change. 16075 final int flags = !componentNames.contains(packageName) 16076 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16077 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16078 new int[] {UserHandle.getUserId(packageUid)}); 16079 } 16080 16081 @Override 16082 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16083 if (!sUserManager.exists(userId)) return; 16084 final int uid = Binder.getCallingUid(); 16085 final int permission = mContext.checkCallingOrSelfPermission( 16086 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16087 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16088 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 16089 // writer 16090 synchronized (mPackages) { 16091 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16092 allowedByPermission, uid, userId)) { 16093 scheduleWritePackageRestrictionsLocked(userId); 16094 } 16095 } 16096 } 16097 16098 @Override 16099 public String getInstallerPackageName(String packageName) { 16100 // reader 16101 synchronized (mPackages) { 16102 return mSettings.getInstallerPackageNameLPr(packageName); 16103 } 16104 } 16105 16106 @Override 16107 public int getApplicationEnabledSetting(String packageName, int userId) { 16108 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16109 int uid = Binder.getCallingUid(); 16110 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 16111 // reader 16112 synchronized (mPackages) { 16113 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16114 } 16115 } 16116 16117 @Override 16118 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16119 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16120 int uid = Binder.getCallingUid(); 16121 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 16122 // reader 16123 synchronized (mPackages) { 16124 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16125 } 16126 } 16127 16128 @Override 16129 public void enterSafeMode() { 16130 enforceSystemOrRoot("Only the system can request entering safe mode"); 16131 16132 if (!mSystemReady) { 16133 mSafeMode = true; 16134 } 16135 } 16136 16137 @Override 16138 public void systemReady() { 16139 mSystemReady = true; 16140 16141 // Read the compatibilty setting when the system is ready. 16142 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16143 mContext.getContentResolver(), 16144 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16145 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16146 if (DEBUG_SETTINGS) { 16147 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16148 } 16149 16150 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16151 16152 synchronized (mPackages) { 16153 // Verify that all of the preferred activity components actually 16154 // exist. It is possible for applications to be updated and at 16155 // that point remove a previously declared activity component that 16156 // had been set as a preferred activity. We try to clean this up 16157 // the next time we encounter that preferred activity, but it is 16158 // possible for the user flow to never be able to return to that 16159 // situation so here we do a sanity check to make sure we haven't 16160 // left any junk around. 16161 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16162 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16163 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16164 removed.clear(); 16165 for (PreferredActivity pa : pir.filterSet()) { 16166 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16167 removed.add(pa); 16168 } 16169 } 16170 if (removed.size() > 0) { 16171 for (int r=0; r<removed.size(); r++) { 16172 PreferredActivity pa = removed.get(r); 16173 Slog.w(TAG, "Removing dangling preferred activity: " 16174 + pa.mPref.mComponent); 16175 pir.removeFilter(pa); 16176 } 16177 mSettings.writePackageRestrictionsLPr( 16178 mSettings.mPreferredActivities.keyAt(i)); 16179 } 16180 } 16181 16182 for (int userId : UserManagerService.getInstance().getUserIds()) { 16183 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16184 grantPermissionsUserIds = ArrayUtils.appendInt( 16185 grantPermissionsUserIds, userId); 16186 } 16187 } 16188 } 16189 sUserManager.systemReady(); 16190 16191 // If we upgraded grant all default permissions before kicking off. 16192 for (int userId : grantPermissionsUserIds) { 16193 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16194 } 16195 16196 // Kick off any messages waiting for system ready 16197 if (mPostSystemReadyMessages != null) { 16198 for (Message msg : mPostSystemReadyMessages) { 16199 msg.sendToTarget(); 16200 } 16201 mPostSystemReadyMessages = null; 16202 } 16203 16204 // Watch for external volumes that come and go over time 16205 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16206 storage.registerListener(mStorageListener); 16207 16208 mInstallerService.systemReady(); 16209 mPackageDexOptimizer.systemReady(); 16210 16211 MountServiceInternal mountServiceInternal = LocalServices.getService( 16212 MountServiceInternal.class); 16213 mountServiceInternal.addExternalStoragePolicy( 16214 new MountServiceInternal.ExternalStorageMountPolicy() { 16215 @Override 16216 public int getMountMode(int uid, String packageName) { 16217 if (Process.isIsolated(uid)) { 16218 return Zygote.MOUNT_EXTERNAL_NONE; 16219 } 16220 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16221 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16222 } 16223 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16224 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16225 } 16226 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16227 return Zygote.MOUNT_EXTERNAL_READ; 16228 } 16229 return Zygote.MOUNT_EXTERNAL_WRITE; 16230 } 16231 16232 @Override 16233 public boolean hasExternalStorage(int uid, String packageName) { 16234 return true; 16235 } 16236 }); 16237 } 16238 16239 @Override 16240 public boolean isSafeMode() { 16241 return mSafeMode; 16242 } 16243 16244 @Override 16245 public boolean hasSystemUidErrors() { 16246 return mHasSystemUidErrors; 16247 } 16248 16249 static String arrayToString(int[] array) { 16250 StringBuffer buf = new StringBuffer(128); 16251 buf.append('['); 16252 if (array != null) { 16253 for (int i=0; i<array.length; i++) { 16254 if (i > 0) buf.append(", "); 16255 buf.append(array[i]); 16256 } 16257 } 16258 buf.append(']'); 16259 return buf.toString(); 16260 } 16261 16262 static class DumpState { 16263 public static final int DUMP_LIBS = 1 << 0; 16264 public static final int DUMP_FEATURES = 1 << 1; 16265 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16266 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16267 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16268 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16269 public static final int DUMP_PERMISSIONS = 1 << 6; 16270 public static final int DUMP_PACKAGES = 1 << 7; 16271 public static final int DUMP_SHARED_USERS = 1 << 8; 16272 public static final int DUMP_MESSAGES = 1 << 9; 16273 public static final int DUMP_PROVIDERS = 1 << 10; 16274 public static final int DUMP_VERIFIERS = 1 << 11; 16275 public static final int DUMP_PREFERRED = 1 << 12; 16276 public static final int DUMP_PREFERRED_XML = 1 << 13; 16277 public static final int DUMP_KEYSETS = 1 << 14; 16278 public static final int DUMP_VERSION = 1 << 15; 16279 public static final int DUMP_INSTALLS = 1 << 16; 16280 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16281 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16282 16283 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16284 16285 private int mTypes; 16286 16287 private int mOptions; 16288 16289 private boolean mTitlePrinted; 16290 16291 private SharedUserSetting mSharedUser; 16292 16293 public boolean isDumping(int type) { 16294 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16295 return true; 16296 } 16297 16298 return (mTypes & type) != 0; 16299 } 16300 16301 public void setDump(int type) { 16302 mTypes |= type; 16303 } 16304 16305 public boolean isOptionEnabled(int option) { 16306 return (mOptions & option) != 0; 16307 } 16308 16309 public void setOptionEnabled(int option) { 16310 mOptions |= option; 16311 } 16312 16313 public boolean onTitlePrinted() { 16314 final boolean printed = mTitlePrinted; 16315 mTitlePrinted = true; 16316 return printed; 16317 } 16318 16319 public boolean getTitlePrinted() { 16320 return mTitlePrinted; 16321 } 16322 16323 public void setTitlePrinted(boolean enabled) { 16324 mTitlePrinted = enabled; 16325 } 16326 16327 public SharedUserSetting getSharedUser() { 16328 return mSharedUser; 16329 } 16330 16331 public void setSharedUser(SharedUserSetting user) { 16332 mSharedUser = user; 16333 } 16334 } 16335 16336 @Override 16337 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16338 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16339 (new PackageManagerShellCommand(this)).exec( 16340 this, in, out, err, args, resultReceiver); 16341 } 16342 16343 @Override 16344 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16345 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16346 != PackageManager.PERMISSION_GRANTED) { 16347 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16348 + Binder.getCallingPid() 16349 + ", uid=" + Binder.getCallingUid() 16350 + " without permission " 16351 + android.Manifest.permission.DUMP); 16352 return; 16353 } 16354 16355 DumpState dumpState = new DumpState(); 16356 boolean fullPreferred = false; 16357 boolean checkin = false; 16358 16359 String packageName = null; 16360 ArraySet<String> permissionNames = null; 16361 16362 int opti = 0; 16363 while (opti < args.length) { 16364 String opt = args[opti]; 16365 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 16366 break; 16367 } 16368 opti++; 16369 16370 if ("-a".equals(opt)) { 16371 // Right now we only know how to print all. 16372 } else if ("-h".equals(opt)) { 16373 pw.println("Package manager dump options:"); 16374 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 16375 pw.println(" --checkin: dump for a checkin"); 16376 pw.println(" -f: print details of intent filters"); 16377 pw.println(" -h: print this help"); 16378 pw.println(" cmd may be one of:"); 16379 pw.println(" l[ibraries]: list known shared libraries"); 16380 pw.println(" f[eatures]: list device features"); 16381 pw.println(" k[eysets]: print known keysets"); 16382 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 16383 pw.println(" perm[issions]: dump permissions"); 16384 pw.println(" permission [name ...]: dump declaration and use of given permission"); 16385 pw.println(" pref[erred]: print preferred package settings"); 16386 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 16387 pw.println(" prov[iders]: dump content providers"); 16388 pw.println(" p[ackages]: dump installed packages"); 16389 pw.println(" s[hared-users]: dump shared user IDs"); 16390 pw.println(" m[essages]: print collected runtime messages"); 16391 pw.println(" v[erifiers]: print package verifier info"); 16392 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 16393 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 16394 pw.println(" version: print database version info"); 16395 pw.println(" write: write current settings now"); 16396 pw.println(" installs: details about install sessions"); 16397 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 16398 pw.println(" <package.name>: info about given package"); 16399 return; 16400 } else if ("--checkin".equals(opt)) { 16401 checkin = true; 16402 } else if ("-f".equals(opt)) { 16403 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16404 } else { 16405 pw.println("Unknown argument: " + opt + "; use -h for help"); 16406 } 16407 } 16408 16409 // Is the caller requesting to dump a particular piece of data? 16410 if (opti < args.length) { 16411 String cmd = args[opti]; 16412 opti++; 16413 // Is this a package name? 16414 if ("android".equals(cmd) || cmd.contains(".")) { 16415 packageName = cmd; 16416 // When dumping a single package, we always dump all of its 16417 // filter information since the amount of data will be reasonable. 16418 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 16419 } else if ("check-permission".equals(cmd)) { 16420 if (opti >= args.length) { 16421 pw.println("Error: check-permission missing permission argument"); 16422 return; 16423 } 16424 String perm = args[opti]; 16425 opti++; 16426 if (opti >= args.length) { 16427 pw.println("Error: check-permission missing package argument"); 16428 return; 16429 } 16430 String pkg = args[opti]; 16431 opti++; 16432 int user = UserHandle.getUserId(Binder.getCallingUid()); 16433 if (opti < args.length) { 16434 try { 16435 user = Integer.parseInt(args[opti]); 16436 } catch (NumberFormatException e) { 16437 pw.println("Error: check-permission user argument is not a number: " 16438 + args[opti]); 16439 return; 16440 } 16441 } 16442 pw.println(checkPermission(perm, pkg, user)); 16443 return; 16444 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 16445 dumpState.setDump(DumpState.DUMP_LIBS); 16446 } else if ("f".equals(cmd) || "features".equals(cmd)) { 16447 dumpState.setDump(DumpState.DUMP_FEATURES); 16448 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 16449 if (opti >= args.length) { 16450 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 16451 | DumpState.DUMP_SERVICE_RESOLVERS 16452 | DumpState.DUMP_RECEIVER_RESOLVERS 16453 | DumpState.DUMP_CONTENT_RESOLVERS); 16454 } else { 16455 while (opti < args.length) { 16456 String name = args[opti]; 16457 if ("a".equals(name) || "activity".equals(name)) { 16458 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 16459 } else if ("s".equals(name) || "service".equals(name)) { 16460 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 16461 } else if ("r".equals(name) || "receiver".equals(name)) { 16462 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 16463 } else if ("c".equals(name) || "content".equals(name)) { 16464 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 16465 } else { 16466 pw.println("Error: unknown resolver table type: " + name); 16467 return; 16468 } 16469 opti++; 16470 } 16471 } 16472 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 16473 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 16474 } else if ("permission".equals(cmd)) { 16475 if (opti >= args.length) { 16476 pw.println("Error: permission requires permission name"); 16477 return; 16478 } 16479 permissionNames = new ArraySet<>(); 16480 while (opti < args.length) { 16481 permissionNames.add(args[opti]); 16482 opti++; 16483 } 16484 dumpState.setDump(DumpState.DUMP_PERMISSIONS 16485 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 16486 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 16487 dumpState.setDump(DumpState.DUMP_PREFERRED); 16488 } else if ("preferred-xml".equals(cmd)) { 16489 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 16490 if (opti < args.length && "--full".equals(args[opti])) { 16491 fullPreferred = true; 16492 opti++; 16493 } 16494 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 16495 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 16496 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 16497 dumpState.setDump(DumpState.DUMP_PACKAGES); 16498 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 16499 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 16500 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 16501 dumpState.setDump(DumpState.DUMP_PROVIDERS); 16502 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 16503 dumpState.setDump(DumpState.DUMP_MESSAGES); 16504 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 16505 dumpState.setDump(DumpState.DUMP_VERIFIERS); 16506 } else if ("i".equals(cmd) || "ifv".equals(cmd) 16507 || "intent-filter-verifiers".equals(cmd)) { 16508 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 16509 } else if ("version".equals(cmd)) { 16510 dumpState.setDump(DumpState.DUMP_VERSION); 16511 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 16512 dumpState.setDump(DumpState.DUMP_KEYSETS); 16513 } else if ("installs".equals(cmd)) { 16514 dumpState.setDump(DumpState.DUMP_INSTALLS); 16515 } else if ("write".equals(cmd)) { 16516 synchronized (mPackages) { 16517 mSettings.writeLPr(); 16518 pw.println("Settings written."); 16519 return; 16520 } 16521 } 16522 } 16523 16524 if (checkin) { 16525 pw.println("vers,1"); 16526 } 16527 16528 // reader 16529 synchronized (mPackages) { 16530 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 16531 if (!checkin) { 16532 if (dumpState.onTitlePrinted()) 16533 pw.println(); 16534 pw.println("Database versions:"); 16535 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 16536 } 16537 } 16538 16539 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 16540 if (!checkin) { 16541 if (dumpState.onTitlePrinted()) 16542 pw.println(); 16543 pw.println("Verifiers:"); 16544 pw.print(" Required: "); 16545 pw.print(mRequiredVerifierPackage); 16546 pw.print(" (uid="); 16547 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16548 UserHandle.USER_SYSTEM)); 16549 pw.println(")"); 16550 } else if (mRequiredVerifierPackage != null) { 16551 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 16552 pw.print(","); 16553 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 16554 UserHandle.USER_SYSTEM)); 16555 } 16556 } 16557 16558 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 16559 packageName == null) { 16560 if (mIntentFilterVerifierComponent != null) { 16561 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 16562 if (!checkin) { 16563 if (dumpState.onTitlePrinted()) 16564 pw.println(); 16565 pw.println("Intent Filter Verifier:"); 16566 pw.print(" Using: "); 16567 pw.print(verifierPackageName); 16568 pw.print(" (uid="); 16569 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16570 UserHandle.USER_SYSTEM)); 16571 pw.println(")"); 16572 } else if (verifierPackageName != null) { 16573 pw.print("ifv,"); pw.print(verifierPackageName); 16574 pw.print(","); 16575 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 16576 UserHandle.USER_SYSTEM)); 16577 } 16578 } else { 16579 pw.println(); 16580 pw.println("No Intent Filter Verifier available!"); 16581 } 16582 } 16583 16584 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 16585 boolean printedHeader = false; 16586 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 16587 while (it.hasNext()) { 16588 String name = it.next(); 16589 SharedLibraryEntry ent = mSharedLibraries.get(name); 16590 if (!checkin) { 16591 if (!printedHeader) { 16592 if (dumpState.onTitlePrinted()) 16593 pw.println(); 16594 pw.println("Libraries:"); 16595 printedHeader = true; 16596 } 16597 pw.print(" "); 16598 } else { 16599 pw.print("lib,"); 16600 } 16601 pw.print(name); 16602 if (!checkin) { 16603 pw.print(" -> "); 16604 } 16605 if (ent.path != null) { 16606 if (!checkin) { 16607 pw.print("(jar) "); 16608 pw.print(ent.path); 16609 } else { 16610 pw.print(",jar,"); 16611 pw.print(ent.path); 16612 } 16613 } else { 16614 if (!checkin) { 16615 pw.print("(apk) "); 16616 pw.print(ent.apk); 16617 } else { 16618 pw.print(",apk,"); 16619 pw.print(ent.apk); 16620 } 16621 } 16622 pw.println(); 16623 } 16624 } 16625 16626 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 16627 if (dumpState.onTitlePrinted()) 16628 pw.println(); 16629 if (!checkin) { 16630 pw.println("Features:"); 16631 } 16632 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 16633 while (it.hasNext()) { 16634 String name = it.next(); 16635 if (!checkin) { 16636 pw.print(" "); 16637 } else { 16638 pw.print("feat,"); 16639 } 16640 pw.println(name); 16641 } 16642 } 16643 16644 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 16645 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 16646 : "Activity Resolver Table:", " ", packageName, 16647 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16648 dumpState.setTitlePrinted(true); 16649 } 16650 } 16651 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 16652 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 16653 : "Receiver Resolver Table:", " ", packageName, 16654 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16655 dumpState.setTitlePrinted(true); 16656 } 16657 } 16658 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 16659 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 16660 : "Service Resolver Table:", " ", packageName, 16661 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16662 dumpState.setTitlePrinted(true); 16663 } 16664 } 16665 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 16666 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 16667 : "Provider Resolver Table:", " ", packageName, 16668 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 16669 dumpState.setTitlePrinted(true); 16670 } 16671 } 16672 16673 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 16674 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16675 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16676 int user = mSettings.mPreferredActivities.keyAt(i); 16677 if (pir.dump(pw, 16678 dumpState.getTitlePrinted() 16679 ? "\nPreferred Activities User " + user + ":" 16680 : "Preferred Activities User " + user + ":", " ", 16681 packageName, true, false)) { 16682 dumpState.setTitlePrinted(true); 16683 } 16684 } 16685 } 16686 16687 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 16688 pw.flush(); 16689 FileOutputStream fout = new FileOutputStream(fd); 16690 BufferedOutputStream str = new BufferedOutputStream(fout); 16691 XmlSerializer serializer = new FastXmlSerializer(); 16692 try { 16693 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 16694 serializer.startDocument(null, true); 16695 serializer.setFeature( 16696 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 16697 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 16698 serializer.endDocument(); 16699 serializer.flush(); 16700 } catch (IllegalArgumentException e) { 16701 pw.println("Failed writing: " + e); 16702 } catch (IllegalStateException e) { 16703 pw.println("Failed writing: " + e); 16704 } catch (IOException e) { 16705 pw.println("Failed writing: " + e); 16706 } 16707 } 16708 16709 if (!checkin 16710 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 16711 && packageName == null) { 16712 pw.println(); 16713 int count = mSettings.mPackages.size(); 16714 if (count == 0) { 16715 pw.println("No applications!"); 16716 pw.println(); 16717 } else { 16718 final String prefix = " "; 16719 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 16720 if (allPackageSettings.size() == 0) { 16721 pw.println("No domain preferred apps!"); 16722 pw.println(); 16723 } else { 16724 pw.println("App verification status:"); 16725 pw.println(); 16726 count = 0; 16727 for (PackageSetting ps : allPackageSettings) { 16728 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 16729 if (ivi == null || ivi.getPackageName() == null) continue; 16730 pw.println(prefix + "Package: " + ivi.getPackageName()); 16731 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 16732 pw.println(prefix + "Status: " + ivi.getStatusString()); 16733 pw.println(); 16734 count++; 16735 } 16736 if (count == 0) { 16737 pw.println(prefix + "No app verification established."); 16738 pw.println(); 16739 } 16740 for (int userId : sUserManager.getUserIds()) { 16741 pw.println("App linkages for user " + userId + ":"); 16742 pw.println(); 16743 count = 0; 16744 for (PackageSetting ps : allPackageSettings) { 16745 final long status = ps.getDomainVerificationStatusForUser(userId); 16746 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 16747 continue; 16748 } 16749 pw.println(prefix + "Package: " + ps.name); 16750 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 16751 String statusStr = IntentFilterVerificationInfo. 16752 getStatusStringFromValue(status); 16753 pw.println(prefix + "Status: " + statusStr); 16754 pw.println(); 16755 count++; 16756 } 16757 if (count == 0) { 16758 pw.println(prefix + "No configured app linkages."); 16759 pw.println(); 16760 } 16761 } 16762 } 16763 } 16764 } 16765 16766 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 16767 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 16768 if (packageName == null && permissionNames == null) { 16769 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 16770 if (iperm == 0) { 16771 if (dumpState.onTitlePrinted()) 16772 pw.println(); 16773 pw.println("AppOp Permissions:"); 16774 } 16775 pw.print(" AppOp Permission "); 16776 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 16777 pw.println(":"); 16778 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 16779 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 16780 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 16781 } 16782 } 16783 } 16784 } 16785 16786 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 16787 boolean printedSomething = false; 16788 for (PackageParser.Provider p : mProviders.mProviders.values()) { 16789 if (packageName != null && !packageName.equals(p.info.packageName)) { 16790 continue; 16791 } 16792 if (!printedSomething) { 16793 if (dumpState.onTitlePrinted()) 16794 pw.println(); 16795 pw.println("Registered ContentProviders:"); 16796 printedSomething = true; 16797 } 16798 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 16799 pw.print(" "); pw.println(p.toString()); 16800 } 16801 printedSomething = false; 16802 for (Map.Entry<String, PackageParser.Provider> entry : 16803 mProvidersByAuthority.entrySet()) { 16804 PackageParser.Provider p = entry.getValue(); 16805 if (packageName != null && !packageName.equals(p.info.packageName)) { 16806 continue; 16807 } 16808 if (!printedSomething) { 16809 if (dumpState.onTitlePrinted()) 16810 pw.println(); 16811 pw.println("ContentProvider Authorities:"); 16812 printedSomething = true; 16813 } 16814 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 16815 pw.print(" "); pw.println(p.toString()); 16816 if (p.info != null && p.info.applicationInfo != null) { 16817 final String appInfo = p.info.applicationInfo.toString(); 16818 pw.print(" applicationInfo="); pw.println(appInfo); 16819 } 16820 } 16821 } 16822 16823 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 16824 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 16825 } 16826 16827 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 16828 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 16829 } 16830 16831 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 16832 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 16833 } 16834 16835 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 16836 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 16837 } 16838 16839 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 16840 // XXX should handle packageName != null by dumping only install data that 16841 // the given package is involved with. 16842 if (dumpState.onTitlePrinted()) pw.println(); 16843 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 16844 } 16845 16846 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 16847 if (dumpState.onTitlePrinted()) pw.println(); 16848 mSettings.dumpReadMessagesLPr(pw, dumpState); 16849 16850 pw.println(); 16851 pw.println("Package warning messages:"); 16852 BufferedReader in = null; 16853 String line = null; 16854 try { 16855 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16856 while ((line = in.readLine()) != null) { 16857 if (line.contains("ignored: updated version")) continue; 16858 pw.println(line); 16859 } 16860 } catch (IOException ignored) { 16861 } finally { 16862 IoUtils.closeQuietly(in); 16863 } 16864 } 16865 16866 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 16867 BufferedReader in = null; 16868 String line = null; 16869 try { 16870 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16871 while ((line = in.readLine()) != null) { 16872 if (line.contains("ignored: updated version")) continue; 16873 pw.print("msg,"); 16874 pw.println(line); 16875 } 16876 } catch (IOException ignored) { 16877 } finally { 16878 IoUtils.closeQuietly(in); 16879 } 16880 } 16881 } 16882 } 16883 16884 private String dumpDomainString(String packageName) { 16885 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16886 List<IntentFilter> filters = getAllIntentFilters(packageName); 16887 16888 ArraySet<String> result = new ArraySet<>(); 16889 if (iviList.size() > 0) { 16890 for (IntentFilterVerificationInfo ivi : iviList) { 16891 for (String host : ivi.getDomains()) { 16892 result.add(host); 16893 } 16894 } 16895 } 16896 if (filters != null && filters.size() > 0) { 16897 for (IntentFilter filter : filters) { 16898 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16899 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16900 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16901 result.addAll(filter.getHostsList()); 16902 } 16903 } 16904 } 16905 16906 StringBuilder sb = new StringBuilder(result.size() * 16); 16907 for (String domain : result) { 16908 if (sb.length() > 0) sb.append(" "); 16909 sb.append(domain); 16910 } 16911 return sb.toString(); 16912 } 16913 16914 // ------- apps on sdcard specific code ------- 16915 static final boolean DEBUG_SD_INSTALL = false; 16916 16917 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16918 16919 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16920 16921 private boolean mMediaMounted = false; 16922 16923 static String getEncryptKey() { 16924 try { 16925 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16926 SD_ENCRYPTION_KEYSTORE_NAME); 16927 if (sdEncKey == null) { 16928 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16929 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16930 if (sdEncKey == null) { 16931 Slog.e(TAG, "Failed to create encryption keys"); 16932 return null; 16933 } 16934 } 16935 return sdEncKey; 16936 } catch (NoSuchAlgorithmException nsae) { 16937 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16938 return null; 16939 } catch (IOException ioe) { 16940 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16941 return null; 16942 } 16943 } 16944 16945 /* 16946 * Update media status on PackageManager. 16947 */ 16948 @Override 16949 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16950 int callingUid = Binder.getCallingUid(); 16951 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16952 throw new SecurityException("Media status can only be updated by the system"); 16953 } 16954 // reader; this apparently protects mMediaMounted, but should probably 16955 // be a different lock in that case. 16956 synchronized (mPackages) { 16957 Log.i(TAG, "Updating external media status from " 16958 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16959 + (mediaStatus ? "mounted" : "unmounted")); 16960 if (DEBUG_SD_INSTALL) 16961 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16962 + ", mMediaMounted=" + mMediaMounted); 16963 if (mediaStatus == mMediaMounted) { 16964 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16965 : 0, -1); 16966 mHandler.sendMessage(msg); 16967 return; 16968 } 16969 mMediaMounted = mediaStatus; 16970 } 16971 // Queue up an async operation since the package installation may take a 16972 // little while. 16973 mHandler.post(new Runnable() { 16974 public void run() { 16975 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16976 } 16977 }); 16978 } 16979 16980 /** 16981 * Called by MountService when the initial ASECs to scan are available. 16982 * Should block until all the ASEC containers are finished being scanned. 16983 */ 16984 public void scanAvailableAsecs() { 16985 updateExternalMediaStatusInner(true, false, false); 16986 } 16987 16988 /* 16989 * Collect information of applications on external media, map them against 16990 * existing containers and update information based on current mount status. 16991 * Please note that we always have to report status if reportStatus has been 16992 * set to true especially when unloading packages. 16993 */ 16994 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16995 boolean externalStorage) { 16996 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16997 int[] uidArr = EmptyArray.INT; 16998 16999 final String[] list = PackageHelper.getSecureContainerList(); 17000 if (ArrayUtils.isEmpty(list)) { 17001 Log.i(TAG, "No secure containers found"); 17002 } else { 17003 // Process list of secure containers and categorize them 17004 // as active or stale based on their package internal state. 17005 17006 // reader 17007 synchronized (mPackages) { 17008 for (String cid : list) { 17009 // Leave stages untouched for now; installer service owns them 17010 if (PackageInstallerService.isStageName(cid)) continue; 17011 17012 if (DEBUG_SD_INSTALL) 17013 Log.i(TAG, "Processing container " + cid); 17014 String pkgName = getAsecPackageName(cid); 17015 if (pkgName == null) { 17016 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17017 continue; 17018 } 17019 if (DEBUG_SD_INSTALL) 17020 Log.i(TAG, "Looking for pkg : " + pkgName); 17021 17022 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17023 if (ps == null) { 17024 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17025 continue; 17026 } 17027 17028 /* 17029 * Skip packages that are not external if we're unmounting 17030 * external storage. 17031 */ 17032 if (externalStorage && !isMounted && !isExternal(ps)) { 17033 continue; 17034 } 17035 17036 final AsecInstallArgs args = new AsecInstallArgs(cid, 17037 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17038 // The package status is changed only if the code path 17039 // matches between settings and the container id. 17040 if (ps.codePathString != null 17041 && ps.codePathString.startsWith(args.getCodePath())) { 17042 if (DEBUG_SD_INSTALL) { 17043 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17044 + " at code path: " + ps.codePathString); 17045 } 17046 17047 // We do have a valid package installed on sdcard 17048 processCids.put(args, ps.codePathString); 17049 final int uid = ps.appId; 17050 if (uid != -1) { 17051 uidArr = ArrayUtils.appendInt(uidArr, uid); 17052 } 17053 } else { 17054 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17055 + ps.codePathString); 17056 } 17057 } 17058 } 17059 17060 Arrays.sort(uidArr); 17061 } 17062 17063 // Process packages with valid entries. 17064 if (isMounted) { 17065 if (DEBUG_SD_INSTALL) 17066 Log.i(TAG, "Loading packages"); 17067 loadMediaPackages(processCids, uidArr, externalStorage); 17068 startCleaningPackages(); 17069 mInstallerService.onSecureContainersAvailable(); 17070 } else { 17071 if (DEBUG_SD_INSTALL) 17072 Log.i(TAG, "Unloading packages"); 17073 unloadMediaPackages(processCids, uidArr, reportStatus); 17074 } 17075 } 17076 17077 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17078 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17079 final int size = infos.size(); 17080 final String[] packageNames = new String[size]; 17081 final int[] packageUids = new int[size]; 17082 for (int i = 0; i < size; i++) { 17083 final ApplicationInfo info = infos.get(i); 17084 packageNames[i] = info.packageName; 17085 packageUids[i] = info.uid; 17086 } 17087 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17088 finishedReceiver); 17089 } 17090 17091 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17092 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17093 sendResourcesChangedBroadcast(mediaStatus, replacing, 17094 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17095 } 17096 17097 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17098 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17099 int size = pkgList.length; 17100 if (size > 0) { 17101 // Send broadcasts here 17102 Bundle extras = new Bundle(); 17103 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17104 if (uidArr != null) { 17105 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17106 } 17107 if (replacing) { 17108 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17109 } 17110 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17111 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17112 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17113 } 17114 } 17115 17116 /* 17117 * Look at potentially valid container ids from processCids If package 17118 * information doesn't match the one on record or package scanning fails, 17119 * the cid is added to list of removeCids. We currently don't delete stale 17120 * containers. 17121 */ 17122 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17123 boolean externalStorage) { 17124 ArrayList<String> pkgList = new ArrayList<String>(); 17125 Set<AsecInstallArgs> keys = processCids.keySet(); 17126 17127 for (AsecInstallArgs args : keys) { 17128 String codePath = processCids.get(args); 17129 if (DEBUG_SD_INSTALL) 17130 Log.i(TAG, "Loading container : " + args.cid); 17131 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17132 try { 17133 // Make sure there are no container errors first. 17134 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17135 Slog.e(TAG, "Failed to mount cid : " + args.cid 17136 + " when installing from sdcard"); 17137 continue; 17138 } 17139 // Check code path here. 17140 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17141 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17142 + " does not match one in settings " + codePath); 17143 continue; 17144 } 17145 // Parse package 17146 int parseFlags = mDefParseFlags; 17147 if (args.isExternalAsec()) { 17148 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17149 } 17150 if (args.isFwdLocked()) { 17151 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17152 } 17153 17154 synchronized (mInstallLock) { 17155 PackageParser.Package pkg = null; 17156 try { 17157 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17158 } catch (PackageManagerException e) { 17159 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17160 } 17161 // Scan the package 17162 if (pkg != null) { 17163 /* 17164 * TODO why is the lock being held? doPostInstall is 17165 * called in other places without the lock. This needs 17166 * to be straightened out. 17167 */ 17168 // writer 17169 synchronized (mPackages) { 17170 retCode = PackageManager.INSTALL_SUCCEEDED; 17171 pkgList.add(pkg.packageName); 17172 // Post process args 17173 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17174 pkg.applicationInfo.uid); 17175 } 17176 } else { 17177 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17178 } 17179 } 17180 17181 } finally { 17182 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17183 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17184 } 17185 } 17186 } 17187 // writer 17188 synchronized (mPackages) { 17189 // If the platform SDK has changed since the last time we booted, 17190 // we need to re-grant app permission to catch any new ones that 17191 // appear. This is really a hack, and means that apps can in some 17192 // cases get permissions that the user didn't initially explicitly 17193 // allow... it would be nice to have some better way to handle 17194 // this situation. 17195 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17196 : mSettings.getInternalVersion(); 17197 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17198 : StorageManager.UUID_PRIVATE_INTERNAL; 17199 17200 int updateFlags = UPDATE_PERMISSIONS_ALL; 17201 if (ver.sdkVersion != mSdkVersion) { 17202 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17203 + mSdkVersion + "; regranting permissions for external"); 17204 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17205 } 17206 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17207 17208 // Yay, everything is now upgraded 17209 ver.forceCurrent(); 17210 17211 // can downgrade to reader 17212 // Persist settings 17213 mSettings.writeLPr(); 17214 } 17215 // Send a broadcast to let everyone know we are done processing 17216 if (pkgList.size() > 0) { 17217 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17218 } 17219 } 17220 17221 /* 17222 * Utility method to unload a list of specified containers 17223 */ 17224 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17225 // Just unmount all valid containers. 17226 for (AsecInstallArgs arg : cidArgs) { 17227 synchronized (mInstallLock) { 17228 arg.doPostDeleteLI(false); 17229 } 17230 } 17231 } 17232 17233 /* 17234 * Unload packages mounted on external media. This involves deleting package 17235 * data from internal structures, sending broadcasts about disabled packages, 17236 * gc'ing to free up references, unmounting all secure containers 17237 * corresponding to packages on external media, and posting a 17238 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17239 * that we always have to post this message if status has been requested no 17240 * matter what. 17241 */ 17242 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17243 final boolean reportStatus) { 17244 if (DEBUG_SD_INSTALL) 17245 Log.i(TAG, "unloading media packages"); 17246 ArrayList<String> pkgList = new ArrayList<String>(); 17247 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17248 final Set<AsecInstallArgs> keys = processCids.keySet(); 17249 for (AsecInstallArgs args : keys) { 17250 String pkgName = args.getPackageName(); 17251 if (DEBUG_SD_INSTALL) 17252 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17253 // Delete package internally 17254 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17255 synchronized (mInstallLock) { 17256 boolean res = deletePackageLI(pkgName, null, false, null, null, 17257 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17258 if (res) { 17259 pkgList.add(pkgName); 17260 } else { 17261 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17262 failedList.add(args); 17263 } 17264 } 17265 } 17266 17267 // reader 17268 synchronized (mPackages) { 17269 // We didn't update the settings after removing each package; 17270 // write them now for all packages. 17271 mSettings.writeLPr(); 17272 } 17273 17274 // We have to absolutely send UPDATED_MEDIA_STATUS only 17275 // after confirming that all the receivers processed the ordered 17276 // broadcast when packages get disabled, force a gc to clean things up. 17277 // and unload all the containers. 17278 if (pkgList.size() > 0) { 17279 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17280 new IIntentReceiver.Stub() { 17281 public void performReceive(Intent intent, int resultCode, String data, 17282 Bundle extras, boolean ordered, boolean sticky, 17283 int sendingUser) throws RemoteException { 17284 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17285 reportStatus ? 1 : 0, 1, keys); 17286 mHandler.sendMessage(msg); 17287 } 17288 }); 17289 } else { 17290 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17291 keys); 17292 mHandler.sendMessage(msg); 17293 } 17294 } 17295 17296 private void loadPrivatePackages(final VolumeInfo vol) { 17297 mHandler.post(new Runnable() { 17298 @Override 17299 public void run() { 17300 loadPrivatePackagesInner(vol); 17301 } 17302 }); 17303 } 17304 17305 private void loadPrivatePackagesInner(VolumeInfo vol) { 17306 final String volumeUuid = vol.fsUuid; 17307 if (TextUtils.isEmpty(volumeUuid)) { 17308 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17309 return; 17310 } 17311 17312 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17313 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17314 17315 final VersionInfo ver; 17316 final List<PackageSetting> packages; 17317 synchronized (mPackages) { 17318 ver = mSettings.findOrCreateVersion(volumeUuid); 17319 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17320 } 17321 17322 // TODO: introduce a new concept similar to "frozen" to prevent these 17323 // apps from being launched until after data has been fully reconciled 17324 for (PackageSetting ps : packages) { 17325 synchronized (mInstallLock) { 17326 final PackageParser.Package pkg; 17327 try { 17328 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17329 loaded.add(pkg.applicationInfo); 17330 17331 } catch (PackageManagerException e) { 17332 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17333 } 17334 17335 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17336 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17337 } 17338 } 17339 } 17340 17341 // Reconcile app data for all started/unlocked users 17342 final StorageManager sm = mContext.getSystemService(StorageManager.class); 17343 final UserManager um = mContext.getSystemService(UserManager.class); 17344 for (UserInfo user : um.getUsers()) { 17345 final int flags; 17346 if (um.isUserUnlocked(user.id)) { 17347 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17348 } else if (um.isUserRunning(user.id)) { 17349 flags = StorageManager.FLAG_STORAGE_DE; 17350 } else { 17351 continue; 17352 } 17353 17354 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 17355 reconcileAppsData(volumeUuid, user.id, flags); 17356 } 17357 17358 synchronized (mPackages) { 17359 int updateFlags = UPDATE_PERMISSIONS_ALL; 17360 if (ver.sdkVersion != mSdkVersion) { 17361 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17362 + mSdkVersion + "; regranting permissions for " + volumeUuid); 17363 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17364 } 17365 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17366 17367 // Yay, everything is now upgraded 17368 ver.forceCurrent(); 17369 17370 mSettings.writeLPr(); 17371 } 17372 17373 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 17374 sendResourcesChangedBroadcast(true, false, loaded, null); 17375 } 17376 17377 private void unloadPrivatePackages(final VolumeInfo vol) { 17378 mHandler.post(new Runnable() { 17379 @Override 17380 public void run() { 17381 unloadPrivatePackagesInner(vol); 17382 } 17383 }); 17384 } 17385 17386 private void unloadPrivatePackagesInner(VolumeInfo vol) { 17387 final String volumeUuid = vol.fsUuid; 17388 if (TextUtils.isEmpty(volumeUuid)) { 17389 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 17390 return; 17391 } 17392 17393 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 17394 synchronized (mInstallLock) { 17395 synchronized (mPackages) { 17396 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 17397 for (PackageSetting ps : packages) { 17398 if (ps.pkg == null) continue; 17399 17400 final ApplicationInfo info = ps.pkg.applicationInfo; 17401 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17402 if (deletePackageLI(ps.name, null, false, null, null, 17403 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 17404 unloaded.add(info); 17405 } else { 17406 Slog.w(TAG, "Failed to unload " + ps.codePath); 17407 } 17408 } 17409 17410 mSettings.writeLPr(); 17411 } 17412 } 17413 17414 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 17415 sendResourcesChangedBroadcast(false, false, unloaded, null); 17416 } 17417 17418 /** 17419 * Examine all users present on given mounted volume, and destroy data 17420 * belonging to users that are no longer valid, or whose user ID has been 17421 * recycled. 17422 */ 17423 private void reconcileUsers(String volumeUuid) { 17424 final File[] files = FileUtils 17425 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 17426 for (File file : files) { 17427 if (!file.isDirectory()) continue; 17428 17429 final int userId; 17430 final UserInfo info; 17431 try { 17432 userId = Integer.parseInt(file.getName()); 17433 info = sUserManager.getUserInfo(userId); 17434 } catch (NumberFormatException e) { 17435 Slog.w(TAG, "Invalid user directory " + file); 17436 continue; 17437 } 17438 17439 boolean destroyUser = false; 17440 if (info == null) { 17441 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17442 + " because no matching user was found"); 17443 destroyUser = true; 17444 } else { 17445 try { 17446 UserManagerService.enforceSerialNumber(file, info.serialNumber); 17447 } catch (IOException e) { 17448 logCriticalInfo(Log.WARN, "Destroying user directory " + file 17449 + " because we failed to enforce serial number: " + e); 17450 destroyUser = true; 17451 } 17452 } 17453 17454 if (destroyUser) { 17455 synchronized (mInstallLock) { 17456 try { 17457 mInstaller.removeUserDataDirs(volumeUuid, userId); 17458 } catch (InstallerException e) { 17459 Slog.w(TAG, "Failed to clean up user dirs", e); 17460 } 17461 } 17462 } 17463 } 17464 } 17465 17466 private void assertPackageKnown(String volumeUuid, String packageName) 17467 throws PackageManagerException { 17468 synchronized (mPackages) { 17469 final PackageSetting ps = mSettings.mPackages.get(packageName); 17470 if (ps == null) { 17471 throw new PackageManagerException("Package " + packageName + " is unknown"); 17472 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17473 throw new PackageManagerException( 17474 "Package " + packageName + " found on unknown volume " + volumeUuid 17475 + "; expected volume " + ps.volumeUuid); 17476 } 17477 } 17478 } 17479 17480 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 17481 throws PackageManagerException { 17482 synchronized (mPackages) { 17483 final PackageSetting ps = mSettings.mPackages.get(packageName); 17484 if (ps == null) { 17485 throw new PackageManagerException("Package " + packageName + " is unknown"); 17486 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 17487 throw new PackageManagerException( 17488 "Package " + packageName + " found on unknown volume " + volumeUuid 17489 + "; expected volume " + ps.volumeUuid); 17490 } else if (!ps.getInstalled(userId)) { 17491 throw new PackageManagerException( 17492 "Package " + packageName + " not installed for user " + userId); 17493 } 17494 } 17495 } 17496 17497 /** 17498 * Examine all apps present on given mounted volume, and destroy apps that 17499 * aren't expected, either due to uninstallation or reinstallation on 17500 * another volume. 17501 */ 17502 private void reconcileApps(String volumeUuid) { 17503 final File[] files = FileUtils 17504 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 17505 for (File file : files) { 17506 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 17507 && !PackageInstallerService.isStageName(file.getName()); 17508 if (!isPackage) { 17509 // Ignore entries which are not packages 17510 continue; 17511 } 17512 17513 try { 17514 final PackageLite pkg = PackageParser.parsePackageLite(file, 17515 PackageParser.PARSE_MUST_BE_APK); 17516 assertPackageKnown(volumeUuid, pkg.packageName); 17517 17518 } catch (PackageParserException | PackageManagerException e) { 17519 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17520 synchronized (mInstallLock) { 17521 removeCodePathLI(file); 17522 } 17523 } 17524 } 17525 } 17526 17527 /** 17528 * Reconcile all app data for the given user. 17529 * <p> 17530 * Verifies that directories exist and that ownership and labeling is 17531 * correct for all installed apps on all mounted volumes. 17532 */ 17533 void reconcileAppsData(int userId, int flags) { 17534 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17535 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17536 final String volumeUuid = vol.getFsUuid(); 17537 reconcileAppsData(volumeUuid, userId, flags); 17538 } 17539 } 17540 17541 /** 17542 * Reconcile all app data on given mounted volume. 17543 * <p> 17544 * Destroys app data that isn't expected, either due to uninstallation or 17545 * reinstallation on another volume. 17546 * <p> 17547 * Verifies that directories exist and that ownership and labeling is 17548 * correct for all installed apps. 17549 */ 17550 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 17551 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 17552 + Integer.toHexString(flags)); 17553 17554 final File ceDir = Environment.getDataUserCredentialEncryptedDirectory(volumeUuid, userId); 17555 final File deDir = Environment.getDataUserDeviceEncryptedDirectory(volumeUuid, userId); 17556 17557 boolean restoreconNeeded = false; 17558 17559 // First look for stale data that doesn't belong, and check if things 17560 // have changed since we did our last restorecon 17561 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 17562 if (!isUserKeyUnlocked(userId)) { 17563 throw new RuntimeException( 17564 "Yikes, someone asked us to reconcile CE storage while " + userId 17565 + " was still locked; this would have caused massive data loss!"); 17566 } 17567 17568 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 17569 17570 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 17571 for (File file : files) { 17572 final String packageName = file.getName(); 17573 try { 17574 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17575 } catch (PackageManagerException e) { 17576 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17577 synchronized (mInstallLock) { 17578 destroyAppDataLI(volumeUuid, packageName, userId, 17579 StorageManager.FLAG_STORAGE_CE); 17580 } 17581 } 17582 } 17583 } 17584 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 17585 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 17586 17587 final File[] files = FileUtils.listFilesOrEmpty(deDir); 17588 for (File file : files) { 17589 final String packageName = file.getName(); 17590 try { 17591 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 17592 } catch (PackageManagerException e) { 17593 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 17594 synchronized (mInstallLock) { 17595 destroyAppDataLI(volumeUuid, packageName, userId, 17596 StorageManager.FLAG_STORAGE_DE); 17597 } 17598 } 17599 } 17600 } 17601 17602 // Ensure that data directories are ready to roll for all packages 17603 // installed for this volume and user 17604 final List<PackageSetting> packages; 17605 synchronized (mPackages) { 17606 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17607 } 17608 int preparedCount = 0; 17609 for (PackageSetting ps : packages) { 17610 final String packageName = ps.name; 17611 if (ps.pkg == null) { 17612 Slog.w(TAG, "Odd, missing scanned package " + packageName); 17613 // TODO: might be due to legacy ASEC apps; we should circle back 17614 // and reconcile again once they're scanned 17615 continue; 17616 } 17617 17618 if (ps.getInstalled(userId)) { 17619 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 17620 preparedCount++; 17621 } 17622 } 17623 17624 if (restoreconNeeded) { 17625 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 17626 SELinuxMMAC.setRestoreconDone(ceDir); 17627 } 17628 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 17629 SELinuxMMAC.setRestoreconDone(deDir); 17630 } 17631 } 17632 17633 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 17634 + " packages; restoreconNeeded was " + restoreconNeeded); 17635 } 17636 17637 /** 17638 * Prepare app data for the given app just after it was installed or 17639 * upgraded. This method carefully only touches users that it's installed 17640 * for, and it forces a restorecon to handle any seinfo changes. 17641 * <p> 17642 * Verifies that directories exist and that ownership and labeling is 17643 * correct for all installed apps. If there is an ownership mismatch, it 17644 * will try recovering system apps by wiping data; third-party app data is 17645 * left intact. 17646 */ 17647 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 17648 prepareAppDataAfterInstallInternal(pkg); 17649 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17650 for (int i = 0; i < childCount; i++) { 17651 PackageParser.Package childPackage = pkg.childPackages.get(i); 17652 prepareAppDataAfterInstallInternal(childPackage); 17653 } 17654 } 17655 17656 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 17657 final PackageSetting ps; 17658 synchronized (mPackages) { 17659 ps = mSettings.mPackages.get(pkg.packageName); 17660 } 17661 17662 final UserManager um = mContext.getSystemService(UserManager.class); 17663 for (UserInfo user : um.getUsers()) { 17664 final int flags; 17665 if (um.isUserUnlocked(user.id)) { 17666 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 17667 } else if (um.isUserRunning(user.id)) { 17668 flags = StorageManager.FLAG_STORAGE_DE; 17669 } else { 17670 continue; 17671 } 17672 17673 if (ps.getInstalled(user.id)) { 17674 // Whenever an app changes, force a restorecon of its data 17675 // TODO: when user data is locked, mark that we're still dirty 17676 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 17677 } 17678 } 17679 } 17680 17681 /** 17682 * Prepare app data for the given app. 17683 * <p> 17684 * Verifies that directories exist and that ownership and labeling is 17685 * correct for all installed apps. If there is an ownership mismatch, this 17686 * will try recovering system apps by wiping data; third-party app data is 17687 * left intact. 17688 */ 17689 private void prepareAppData(String volumeUuid, int userId, int flags, 17690 PackageParser.Package pkg, boolean restoreconNeeded) { 17691 if (DEBUG_APP_DATA) { 17692 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 17693 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 17694 } 17695 17696 final String packageName = pkg.packageName; 17697 final ApplicationInfo app = pkg.applicationInfo; 17698 final int appId = UserHandle.getAppId(app.uid); 17699 17700 Preconditions.checkNotNull(app.seinfo); 17701 17702 synchronized (mInstallLock) { 17703 try { 17704 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 17705 appId, app.seinfo, app.targetSdkVersion); 17706 } catch (InstallerException e) { 17707 if (app.isSystemApp()) { 17708 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 17709 + ", but trying to recover: " + e); 17710 destroyAppDataLI(volumeUuid, packageName, userId, flags); 17711 try { 17712 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 17713 appId, app.seinfo, app.targetSdkVersion); 17714 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 17715 } catch (InstallerException e2) { 17716 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 17717 } 17718 } else { 17719 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 17720 } 17721 } 17722 17723 if (restoreconNeeded) { 17724 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 17725 } 17726 17727 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 17728 // Create a native library symlink only if we have native libraries 17729 // and if the native libraries are 32 bit libraries. We do not provide 17730 // this symlink for 64 bit libraries. 17731 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 17732 final String nativeLibPath = app.nativeLibraryDir; 17733 try { 17734 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 17735 nativeLibPath, userId); 17736 } catch (InstallerException e) { 17737 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 17738 } 17739 } 17740 } 17741 } 17742 } 17743 17744 private void unfreezePackage(String packageName) { 17745 synchronized (mPackages) { 17746 final PackageSetting ps = mSettings.mPackages.get(packageName); 17747 if (ps != null) { 17748 ps.frozen = false; 17749 } 17750 } 17751 } 17752 17753 @Override 17754 public int movePackage(final String packageName, final String volumeUuid) { 17755 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 17756 17757 final int moveId = mNextMoveId.getAndIncrement(); 17758 mHandler.post(new Runnable() { 17759 @Override 17760 public void run() { 17761 try { 17762 movePackageInternal(packageName, volumeUuid, moveId); 17763 } catch (PackageManagerException e) { 17764 Slog.w(TAG, "Failed to move " + packageName, e); 17765 mMoveCallbacks.notifyStatusChanged(moveId, 17766 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 17767 } 17768 } 17769 }); 17770 return moveId; 17771 } 17772 17773 private void movePackageInternal(final String packageName, final String volumeUuid, 17774 final int moveId) throws PackageManagerException { 17775 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 17776 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17777 final PackageManager pm = mContext.getPackageManager(); 17778 17779 final boolean currentAsec; 17780 final String currentVolumeUuid; 17781 final File codeFile; 17782 final String installerPackageName; 17783 final String packageAbiOverride; 17784 final int appId; 17785 final String seinfo; 17786 final String label; 17787 final int targetSdkVersion; 17788 17789 // reader 17790 synchronized (mPackages) { 17791 final PackageParser.Package pkg = mPackages.get(packageName); 17792 final PackageSetting ps = mSettings.mPackages.get(packageName); 17793 if (pkg == null || ps == null) { 17794 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 17795 } 17796 17797 if (pkg.applicationInfo.isSystemApp()) { 17798 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 17799 "Cannot move system application"); 17800 } 17801 17802 if (pkg.applicationInfo.isExternalAsec()) { 17803 currentAsec = true; 17804 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 17805 } else if (pkg.applicationInfo.isForwardLocked()) { 17806 currentAsec = true; 17807 currentVolumeUuid = "forward_locked"; 17808 } else { 17809 currentAsec = false; 17810 currentVolumeUuid = ps.volumeUuid; 17811 17812 final File probe = new File(pkg.codePath); 17813 final File probeOat = new File(probe, "oat"); 17814 if (!probe.isDirectory() || !probeOat.isDirectory()) { 17815 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17816 "Move only supported for modern cluster style installs"); 17817 } 17818 } 17819 17820 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 17821 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17822 "Package already moved to " + volumeUuid); 17823 } 17824 17825 if (ps.frozen) { 17826 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 17827 "Failed to move already frozen package"); 17828 } 17829 ps.frozen = true; 17830 17831 codeFile = new File(pkg.codePath); 17832 installerPackageName = ps.installerPackageName; 17833 packageAbiOverride = ps.cpuAbiOverrideString; 17834 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 17835 seinfo = pkg.applicationInfo.seinfo; 17836 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 17837 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 17838 } 17839 17840 // Now that we're guarded by frozen state, kill app during move 17841 final long token = Binder.clearCallingIdentity(); 17842 try { 17843 killApplication(packageName, appId, "move pkg"); 17844 } finally { 17845 Binder.restoreCallingIdentity(token); 17846 } 17847 17848 final Bundle extras = new Bundle(); 17849 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 17850 extras.putString(Intent.EXTRA_TITLE, label); 17851 mMoveCallbacks.notifyCreated(moveId, extras); 17852 17853 int installFlags; 17854 final boolean moveCompleteApp; 17855 final File measurePath; 17856 17857 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 17858 installFlags = INSTALL_INTERNAL; 17859 moveCompleteApp = !currentAsec; 17860 measurePath = Environment.getDataAppDirectory(volumeUuid); 17861 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 17862 installFlags = INSTALL_EXTERNAL; 17863 moveCompleteApp = false; 17864 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 17865 } else { 17866 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 17867 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 17868 || !volume.isMountedWritable()) { 17869 unfreezePackage(packageName); 17870 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17871 "Move location not mounted private volume"); 17872 } 17873 17874 Preconditions.checkState(!currentAsec); 17875 17876 installFlags = INSTALL_INTERNAL; 17877 moveCompleteApp = true; 17878 measurePath = Environment.getDataAppDirectory(volumeUuid); 17879 } 17880 17881 final PackageStats stats = new PackageStats(null, -1); 17882 synchronized (mInstaller) { 17883 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 17884 unfreezePackage(packageName); 17885 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17886 "Failed to measure package size"); 17887 } 17888 } 17889 17890 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 17891 + stats.dataSize); 17892 17893 final long startFreeBytes = measurePath.getFreeSpace(); 17894 final long sizeBytes; 17895 if (moveCompleteApp) { 17896 sizeBytes = stats.codeSize + stats.dataSize; 17897 } else { 17898 sizeBytes = stats.codeSize; 17899 } 17900 17901 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 17902 unfreezePackage(packageName); 17903 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 17904 "Not enough free space to move"); 17905 } 17906 17907 mMoveCallbacks.notifyStatusChanged(moveId, 10); 17908 17909 final CountDownLatch installedLatch = new CountDownLatch(1); 17910 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 17911 @Override 17912 public void onUserActionRequired(Intent intent) throws RemoteException { 17913 throw new IllegalStateException(); 17914 } 17915 17916 @Override 17917 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 17918 Bundle extras) throws RemoteException { 17919 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 17920 + PackageManager.installStatusToString(returnCode, msg)); 17921 17922 installedLatch.countDown(); 17923 17924 // Regardless of success or failure of the move operation, 17925 // always unfreeze the package 17926 unfreezePackage(packageName); 17927 17928 final int status = PackageManager.installStatusToPublicStatus(returnCode); 17929 switch (status) { 17930 case PackageInstaller.STATUS_SUCCESS: 17931 mMoveCallbacks.notifyStatusChanged(moveId, 17932 PackageManager.MOVE_SUCCEEDED); 17933 break; 17934 case PackageInstaller.STATUS_FAILURE_STORAGE: 17935 mMoveCallbacks.notifyStatusChanged(moveId, 17936 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 17937 break; 17938 default: 17939 mMoveCallbacks.notifyStatusChanged(moveId, 17940 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 17941 break; 17942 } 17943 } 17944 }; 17945 17946 final MoveInfo move; 17947 if (moveCompleteApp) { 17948 // Kick off a thread to report progress estimates 17949 new Thread() { 17950 @Override 17951 public void run() { 17952 while (true) { 17953 try { 17954 if (installedLatch.await(1, TimeUnit.SECONDS)) { 17955 break; 17956 } 17957 } catch (InterruptedException ignored) { 17958 } 17959 17960 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 17961 final int progress = 10 + (int) MathUtils.constrain( 17962 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 17963 mMoveCallbacks.notifyStatusChanged(moveId, progress); 17964 } 17965 } 17966 }.start(); 17967 17968 final String dataAppName = codeFile.getName(); 17969 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 17970 dataAppName, appId, seinfo, targetSdkVersion); 17971 } else { 17972 move = null; 17973 } 17974 17975 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 17976 17977 final Message msg = mHandler.obtainMessage(INIT_COPY); 17978 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 17979 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 17980 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 17981 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 17982 msg.obj = params; 17983 17984 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 17985 System.identityHashCode(msg.obj)); 17986 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 17987 System.identityHashCode(msg.obj)); 17988 17989 mHandler.sendMessage(msg); 17990 } 17991 17992 @Override 17993 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 17994 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 17995 17996 final int realMoveId = mNextMoveId.getAndIncrement(); 17997 final Bundle extras = new Bundle(); 17998 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 17999 mMoveCallbacks.notifyCreated(realMoveId, extras); 18000 18001 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18002 @Override 18003 public void onCreated(int moveId, Bundle extras) { 18004 // Ignored 18005 } 18006 18007 @Override 18008 public void onStatusChanged(int moveId, int status, long estMillis) { 18009 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18010 } 18011 }; 18012 18013 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18014 storage.setPrimaryStorageUuid(volumeUuid, callback); 18015 return realMoveId; 18016 } 18017 18018 @Override 18019 public int getMoveStatus(int moveId) { 18020 mContext.enforceCallingOrSelfPermission( 18021 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18022 return mMoveCallbacks.mLastStatus.get(moveId); 18023 } 18024 18025 @Override 18026 public void registerMoveCallback(IPackageMoveObserver callback) { 18027 mContext.enforceCallingOrSelfPermission( 18028 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18029 mMoveCallbacks.register(callback); 18030 } 18031 18032 @Override 18033 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18034 mContext.enforceCallingOrSelfPermission( 18035 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18036 mMoveCallbacks.unregister(callback); 18037 } 18038 18039 @Override 18040 public boolean setInstallLocation(int loc) { 18041 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18042 null); 18043 if (getInstallLocation() == loc) { 18044 return true; 18045 } 18046 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18047 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18048 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18049 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18050 return true; 18051 } 18052 return false; 18053 } 18054 18055 @Override 18056 public int getInstallLocation() { 18057 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18058 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18059 PackageHelper.APP_INSTALL_AUTO); 18060 } 18061 18062 /** Called by UserManagerService */ 18063 void cleanUpUser(UserManagerService userManager, int userHandle) { 18064 synchronized (mPackages) { 18065 mDirtyUsers.remove(userHandle); 18066 mUserNeedsBadging.delete(userHandle); 18067 mSettings.removeUserLPw(userHandle); 18068 mPendingBroadcasts.remove(userHandle); 18069 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18070 } 18071 synchronized (mInstallLock) { 18072 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18073 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18074 final String volumeUuid = vol.getFsUuid(); 18075 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18076 try { 18077 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18078 } catch (InstallerException e) { 18079 Slog.w(TAG, "Failed to remove user data", e); 18080 } 18081 } 18082 synchronized (mPackages) { 18083 removeUnusedPackagesLILPw(userManager, userHandle); 18084 } 18085 } 18086 } 18087 18088 /** 18089 * We're removing userHandle and would like to remove any downloaded packages 18090 * that are no longer in use by any other user. 18091 * @param userHandle the user being removed 18092 */ 18093 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18094 final boolean DEBUG_CLEAN_APKS = false; 18095 int [] users = userManager.getUserIds(); 18096 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18097 while (psit.hasNext()) { 18098 PackageSetting ps = psit.next(); 18099 if (ps.pkg == null) { 18100 continue; 18101 } 18102 final String packageName = ps.pkg.packageName; 18103 // Skip over if system app 18104 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18105 continue; 18106 } 18107 if (DEBUG_CLEAN_APKS) { 18108 Slog.i(TAG, "Checking package " + packageName); 18109 } 18110 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18111 if (keep) { 18112 if (DEBUG_CLEAN_APKS) { 18113 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18114 } 18115 } else { 18116 for (int i = 0; i < users.length; i++) { 18117 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18118 keep = true; 18119 if (DEBUG_CLEAN_APKS) { 18120 Slog.i(TAG, " Keeping package " + packageName + " for user " 18121 + users[i]); 18122 } 18123 break; 18124 } 18125 } 18126 } 18127 if (!keep) { 18128 if (DEBUG_CLEAN_APKS) { 18129 Slog.i(TAG, " Removing package " + packageName); 18130 } 18131 mHandler.post(new Runnable() { 18132 public void run() { 18133 deletePackageX(packageName, userHandle, 0); 18134 } //end run 18135 }); 18136 } 18137 } 18138 } 18139 18140 /** Called by UserManagerService */ 18141 void createNewUser(int userHandle) { 18142 synchronized (mInstallLock) { 18143 try { 18144 mInstaller.createUserConfig(userHandle); 18145 } catch (InstallerException e) { 18146 Slog.w(TAG, "Failed to create user config", e); 18147 } 18148 mSettings.createNewUserLI(this, mInstaller, userHandle); 18149 } 18150 synchronized (mPackages) { 18151 applyFactoryDefaultBrowserLPw(userHandle); 18152 primeDomainVerificationsLPw(userHandle); 18153 } 18154 } 18155 18156 void newUserCreated(final int userHandle) { 18157 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18158 // If permission review for legacy apps is required, we represent 18159 // dagerous permissions for such apps as always granted runtime 18160 // permissions to keep per user flag state whether review is needed. 18161 // Hence, if a new user is added we have to propagate dangerous 18162 // permission grants for these legacy apps. 18163 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18164 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18165 | UPDATE_PERMISSIONS_REPLACE_ALL); 18166 } 18167 } 18168 18169 @Override 18170 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18171 mContext.enforceCallingOrSelfPermission( 18172 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18173 "Only package verification agents can read the verifier device identity"); 18174 18175 synchronized (mPackages) { 18176 return mSettings.getVerifierDeviceIdentityLPw(); 18177 } 18178 } 18179 18180 @Override 18181 public void setPermissionEnforced(String permission, boolean enforced) { 18182 // TODO: Now that we no longer change GID for storage, this should to away. 18183 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18184 "setPermissionEnforced"); 18185 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18186 synchronized (mPackages) { 18187 if (mSettings.mReadExternalStorageEnforced == null 18188 || mSettings.mReadExternalStorageEnforced != enforced) { 18189 mSettings.mReadExternalStorageEnforced = enforced; 18190 mSettings.writeLPr(); 18191 } 18192 } 18193 // kill any non-foreground processes so we restart them and 18194 // grant/revoke the GID. 18195 final IActivityManager am = ActivityManagerNative.getDefault(); 18196 if (am != null) { 18197 final long token = Binder.clearCallingIdentity(); 18198 try { 18199 am.killProcessesBelowForeground("setPermissionEnforcement"); 18200 } catch (RemoteException e) { 18201 } finally { 18202 Binder.restoreCallingIdentity(token); 18203 } 18204 } 18205 } else { 18206 throw new IllegalArgumentException("No selective enforcement for " + permission); 18207 } 18208 } 18209 18210 @Override 18211 @Deprecated 18212 public boolean isPermissionEnforced(String permission) { 18213 return true; 18214 } 18215 18216 @Override 18217 public boolean isStorageLow() { 18218 final long token = Binder.clearCallingIdentity(); 18219 try { 18220 final DeviceStorageMonitorInternal 18221 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18222 if (dsm != null) { 18223 return dsm.isMemoryLow(); 18224 } else { 18225 return false; 18226 } 18227 } finally { 18228 Binder.restoreCallingIdentity(token); 18229 } 18230 } 18231 18232 @Override 18233 public IPackageInstaller getPackageInstaller() { 18234 return mInstallerService; 18235 } 18236 18237 private boolean userNeedsBadging(int userId) { 18238 int index = mUserNeedsBadging.indexOfKey(userId); 18239 if (index < 0) { 18240 final UserInfo userInfo; 18241 final long token = Binder.clearCallingIdentity(); 18242 try { 18243 userInfo = sUserManager.getUserInfo(userId); 18244 } finally { 18245 Binder.restoreCallingIdentity(token); 18246 } 18247 final boolean b; 18248 if (userInfo != null && userInfo.isManagedProfile()) { 18249 b = true; 18250 } else { 18251 b = false; 18252 } 18253 mUserNeedsBadging.put(userId, b); 18254 return b; 18255 } 18256 return mUserNeedsBadging.valueAt(index); 18257 } 18258 18259 @Override 18260 public KeySet getKeySetByAlias(String packageName, String alias) { 18261 if (packageName == null || alias == null) { 18262 return null; 18263 } 18264 synchronized(mPackages) { 18265 final PackageParser.Package pkg = mPackages.get(packageName); 18266 if (pkg == null) { 18267 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18268 throw new IllegalArgumentException("Unknown package: " + packageName); 18269 } 18270 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18271 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18272 } 18273 } 18274 18275 @Override 18276 public KeySet getSigningKeySet(String packageName) { 18277 if (packageName == null) { 18278 return null; 18279 } 18280 synchronized(mPackages) { 18281 final PackageParser.Package pkg = mPackages.get(packageName); 18282 if (pkg == null) { 18283 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18284 throw new IllegalArgumentException("Unknown package: " + packageName); 18285 } 18286 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18287 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18288 throw new SecurityException("May not access signing KeySet of other apps."); 18289 } 18290 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18291 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18292 } 18293 } 18294 18295 @Override 18296 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18297 if (packageName == null || ks == null) { 18298 return false; 18299 } 18300 synchronized(mPackages) { 18301 final PackageParser.Package pkg = mPackages.get(packageName); 18302 if (pkg == null) { 18303 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18304 throw new IllegalArgumentException("Unknown package: " + packageName); 18305 } 18306 IBinder ksh = ks.getToken(); 18307 if (ksh instanceof KeySetHandle) { 18308 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18309 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 18310 } 18311 return false; 18312 } 18313 } 18314 18315 @Override 18316 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 18317 if (packageName == null || ks == null) { 18318 return false; 18319 } 18320 synchronized(mPackages) { 18321 final PackageParser.Package pkg = mPackages.get(packageName); 18322 if (pkg == null) { 18323 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18324 throw new IllegalArgumentException("Unknown package: " + packageName); 18325 } 18326 IBinder ksh = ks.getToken(); 18327 if (ksh instanceof KeySetHandle) { 18328 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18329 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 18330 } 18331 return false; 18332 } 18333 } 18334 18335 private void deletePackageIfUnusedLPr(final String packageName) { 18336 PackageSetting ps = mSettings.mPackages.get(packageName); 18337 if (ps == null) { 18338 return; 18339 } 18340 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 18341 // TODO Implement atomic delete if package is unused 18342 // It is currently possible that the package will be deleted even if it is installed 18343 // after this method returns. 18344 mHandler.post(new Runnable() { 18345 public void run() { 18346 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 18347 } 18348 }); 18349 } 18350 } 18351 18352 /** 18353 * Check and throw if the given before/after packages would be considered a 18354 * downgrade. 18355 */ 18356 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 18357 throws PackageManagerException { 18358 if (after.versionCode < before.mVersionCode) { 18359 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18360 "Update version code " + after.versionCode + " is older than current " 18361 + before.mVersionCode); 18362 } else if (after.versionCode == before.mVersionCode) { 18363 if (after.baseRevisionCode < before.baseRevisionCode) { 18364 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18365 "Update base revision code " + after.baseRevisionCode 18366 + " is older than current " + before.baseRevisionCode); 18367 } 18368 18369 if (!ArrayUtils.isEmpty(after.splitNames)) { 18370 for (int i = 0; i < after.splitNames.length; i++) { 18371 final String splitName = after.splitNames[i]; 18372 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 18373 if (j != -1) { 18374 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 18375 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 18376 "Update split " + splitName + " revision code " 18377 + after.splitRevisionCodes[i] + " is older than current " 18378 + before.splitRevisionCodes[j]); 18379 } 18380 } 18381 } 18382 } 18383 } 18384 } 18385 18386 private static class MoveCallbacks extends Handler { 18387 private static final int MSG_CREATED = 1; 18388 private static final int MSG_STATUS_CHANGED = 2; 18389 18390 private final RemoteCallbackList<IPackageMoveObserver> 18391 mCallbacks = new RemoteCallbackList<>(); 18392 18393 private final SparseIntArray mLastStatus = new SparseIntArray(); 18394 18395 public MoveCallbacks(Looper looper) { 18396 super(looper); 18397 } 18398 18399 public void register(IPackageMoveObserver callback) { 18400 mCallbacks.register(callback); 18401 } 18402 18403 public void unregister(IPackageMoveObserver callback) { 18404 mCallbacks.unregister(callback); 18405 } 18406 18407 @Override 18408 public void handleMessage(Message msg) { 18409 final SomeArgs args = (SomeArgs) msg.obj; 18410 final int n = mCallbacks.beginBroadcast(); 18411 for (int i = 0; i < n; i++) { 18412 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 18413 try { 18414 invokeCallback(callback, msg.what, args); 18415 } catch (RemoteException ignored) { 18416 } 18417 } 18418 mCallbacks.finishBroadcast(); 18419 args.recycle(); 18420 } 18421 18422 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 18423 throws RemoteException { 18424 switch (what) { 18425 case MSG_CREATED: { 18426 callback.onCreated(args.argi1, (Bundle) args.arg2); 18427 break; 18428 } 18429 case MSG_STATUS_CHANGED: { 18430 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 18431 break; 18432 } 18433 } 18434 } 18435 18436 private void notifyCreated(int moveId, Bundle extras) { 18437 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 18438 18439 final SomeArgs args = SomeArgs.obtain(); 18440 args.argi1 = moveId; 18441 args.arg2 = extras; 18442 obtainMessage(MSG_CREATED, args).sendToTarget(); 18443 } 18444 18445 private void notifyStatusChanged(int moveId, int status) { 18446 notifyStatusChanged(moveId, status, -1); 18447 } 18448 18449 private void notifyStatusChanged(int moveId, int status, long estMillis) { 18450 Slog.v(TAG, "Move " + moveId + " status " + status); 18451 18452 final SomeArgs args = SomeArgs.obtain(); 18453 args.argi1 = moveId; 18454 args.argi2 = status; 18455 args.arg3 = estMillis; 18456 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 18457 18458 synchronized (mLastStatus) { 18459 mLastStatus.put(moveId, status); 18460 } 18461 } 18462 } 18463 18464 private final static class OnPermissionChangeListeners extends Handler { 18465 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 18466 18467 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 18468 new RemoteCallbackList<>(); 18469 18470 public OnPermissionChangeListeners(Looper looper) { 18471 super(looper); 18472 } 18473 18474 @Override 18475 public void handleMessage(Message msg) { 18476 switch (msg.what) { 18477 case MSG_ON_PERMISSIONS_CHANGED: { 18478 final int uid = msg.arg1; 18479 handleOnPermissionsChanged(uid); 18480 } break; 18481 } 18482 } 18483 18484 public void addListenerLocked(IOnPermissionsChangeListener listener) { 18485 mPermissionListeners.register(listener); 18486 18487 } 18488 18489 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 18490 mPermissionListeners.unregister(listener); 18491 } 18492 18493 public void onPermissionsChanged(int uid) { 18494 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 18495 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 18496 } 18497 } 18498 18499 private void handleOnPermissionsChanged(int uid) { 18500 final int count = mPermissionListeners.beginBroadcast(); 18501 try { 18502 for (int i = 0; i < count; i++) { 18503 IOnPermissionsChangeListener callback = mPermissionListeners 18504 .getBroadcastItem(i); 18505 try { 18506 callback.onPermissionsChanged(uid); 18507 } catch (RemoteException e) { 18508 Log.e(TAG, "Permission listener is dead", e); 18509 } 18510 } 18511 } finally { 18512 mPermissionListeners.finishBroadcast(); 18513 } 18514 } 18515 } 18516 18517 private class PackageManagerInternalImpl extends PackageManagerInternal { 18518 @Override 18519 public void setLocationPackagesProvider(PackagesProvider provider) { 18520 synchronized (mPackages) { 18521 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 18522 } 18523 } 18524 18525 @Override 18526 public void setImePackagesProvider(PackagesProvider provider) { 18527 synchronized (mPackages) { 18528 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 18529 } 18530 } 18531 18532 @Override 18533 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 18534 synchronized (mPackages) { 18535 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 18536 } 18537 } 18538 18539 @Override 18540 public void setSmsAppPackagesProvider(PackagesProvider provider) { 18541 synchronized (mPackages) { 18542 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 18543 } 18544 } 18545 18546 @Override 18547 public void setDialerAppPackagesProvider(PackagesProvider provider) { 18548 synchronized (mPackages) { 18549 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 18550 } 18551 } 18552 18553 @Override 18554 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 18555 synchronized (mPackages) { 18556 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 18557 } 18558 } 18559 18560 @Override 18561 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 18562 synchronized (mPackages) { 18563 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 18564 } 18565 } 18566 18567 @Override 18568 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 18569 synchronized (mPackages) { 18570 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 18571 packageName, userId); 18572 } 18573 } 18574 18575 @Override 18576 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 18577 synchronized (mPackages) { 18578 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 18579 packageName, userId); 18580 } 18581 } 18582 18583 @Override 18584 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 18585 synchronized (mPackages) { 18586 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 18587 packageName, userId); 18588 } 18589 } 18590 18591 @Override 18592 public void setKeepUninstalledPackages(final List<String> packageList) { 18593 Preconditions.checkNotNull(packageList); 18594 List<String> removedFromList = null; 18595 synchronized (mPackages) { 18596 if (mKeepUninstalledPackages != null) { 18597 final int packagesCount = mKeepUninstalledPackages.size(); 18598 for (int i = 0; i < packagesCount; i++) { 18599 String oldPackage = mKeepUninstalledPackages.get(i); 18600 if (packageList != null && packageList.contains(oldPackage)) { 18601 continue; 18602 } 18603 if (removedFromList == null) { 18604 removedFromList = new ArrayList<>(); 18605 } 18606 removedFromList.add(oldPackage); 18607 } 18608 } 18609 mKeepUninstalledPackages = new ArrayList<>(packageList); 18610 if (removedFromList != null) { 18611 final int removedCount = removedFromList.size(); 18612 for (int i = 0; i < removedCount; i++) { 18613 deletePackageIfUnusedLPr(removedFromList.get(i)); 18614 } 18615 } 18616 } 18617 } 18618 18619 @Override 18620 public boolean isPermissionsReviewRequired(String packageName, int userId) { 18621 synchronized (mPackages) { 18622 // If we do not support permission review, done. 18623 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 18624 return false; 18625 } 18626 18627 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 18628 if (packageSetting == null) { 18629 return false; 18630 } 18631 18632 // Permission review applies only to apps not supporting the new permission model. 18633 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 18634 return false; 18635 } 18636 18637 // Legacy apps have the permission and get user consent on launch. 18638 PermissionsState permissionsState = packageSetting.getPermissionsState(); 18639 return permissionsState.isPermissionReviewRequired(userId); 18640 } 18641 } 18642 } 18643 18644 @Override 18645 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 18646 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 18647 synchronized (mPackages) { 18648 final long identity = Binder.clearCallingIdentity(); 18649 try { 18650 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 18651 packageNames, userId); 18652 } finally { 18653 Binder.restoreCallingIdentity(identity); 18654 } 18655 } 18656 } 18657 18658 private static void enforceSystemOrPhoneCaller(String tag) { 18659 int callingUid = Binder.getCallingUid(); 18660 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 18661 throw new SecurityException( 18662 "Cannot call " + tag + " from UID " + callingUid); 18663 } 18664 } 18665 18666 boolean isHistoricalPackageUsageAvailable() { 18667 return mPackageUsage.isHistoricalPackageUsageAvailable(); 18668 } 18669} 18670