PackageManagerService.java revision d6d27e3afb9046b4d5041c9ae484054b175fca39
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; 66import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 67import static android.content.pm.PackageManager.MATCH_ENCRYPTION_UNAWARE; 68import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 69import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 70import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 71import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 72import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 73import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 74import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 75import static android.content.pm.PackageManager.PERMISSION_DENIED; 76import static android.content.pm.PackageManager.PERMISSION_GRANTED; 77import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 78import static android.content.pm.PackageParser.isApkFile; 79import static android.os.Process.PACKAGE_INFO_GID; 80import static android.os.Process.SYSTEM_UID; 81import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 82import static android.system.OsConstants.O_CREAT; 83import static android.system.OsConstants.O_RDWR; 84 85import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 86import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 87import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 88import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 89import static com.android.internal.util.ArrayUtils.appendInt; 90import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 91import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 92import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 94import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 95import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 96import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 97import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 98import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 99 100import android.Manifest; 101import android.annotation.NonNull; 102import android.annotation.Nullable; 103import android.app.ActivityManager; 104import android.app.ActivityManagerNative; 105import android.app.IActivityManager; 106import android.app.admin.DevicePolicyManagerInternal; 107import android.app.admin.IDevicePolicyManager; 108import android.app.backup.IBackupManager; 109import android.content.BroadcastReceiver; 110import android.content.ComponentName; 111import android.content.Context; 112import android.content.IIntentReceiver; 113import android.content.Intent; 114import android.content.IntentFilter; 115import android.content.IntentSender; 116import android.content.IntentSender.SendIntentException; 117import android.content.ServiceConnection; 118import android.content.pm.ActivityInfo; 119import android.content.pm.ApplicationInfo; 120import android.content.pm.AppsQueryHelper; 121import android.content.pm.ComponentInfo; 122import android.content.pm.EphemeralApplicationInfo; 123import android.content.pm.EphemeralResolveInfo; 124import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 125import android.content.pm.FeatureInfo; 126import android.content.pm.IOnPermissionsChangeListener; 127import android.content.pm.IPackageDataObserver; 128import android.content.pm.IPackageDeleteObserver; 129import android.content.pm.IPackageDeleteObserver2; 130import android.content.pm.IPackageInstallObserver2; 131import android.content.pm.IPackageInstaller; 132import android.content.pm.IPackageManager; 133import android.content.pm.IPackageMoveObserver; 134import android.content.pm.IPackageStatsObserver; 135import android.content.pm.InstrumentationInfo; 136import android.content.pm.IntentFilterVerificationInfo; 137import android.content.pm.KeySet; 138import android.content.pm.PackageCleanItem; 139import android.content.pm.PackageInfo; 140import android.content.pm.PackageInfoLite; 141import android.content.pm.PackageInstaller; 142import android.content.pm.PackageManager; 143import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 144import android.content.pm.PackageManagerInternal; 145import android.content.pm.PackageParser; 146import android.content.pm.PackageParser.ActivityIntentInfo; 147import android.content.pm.PackageParser.PackageLite; 148import android.content.pm.PackageParser.PackageParserException; 149import android.content.pm.PackageStats; 150import android.content.pm.PackageUserState; 151import android.content.pm.ParceledListSlice; 152import android.content.pm.PermissionGroupInfo; 153import android.content.pm.PermissionInfo; 154import android.content.pm.ProviderInfo; 155import android.content.pm.ResolveInfo; 156import android.content.pm.ServiceInfo; 157import android.content.pm.Signature; 158import android.content.pm.UserInfo; 159import android.content.pm.VerifierDeviceIdentity; 160import android.content.pm.VerifierInfo; 161import android.content.res.Resources; 162import android.graphics.Bitmap; 163import android.hardware.display.DisplayManager; 164import android.net.Uri; 165import android.os.Binder; 166import android.os.Build; 167import android.os.Bundle; 168import android.os.Debug; 169import android.os.Environment; 170import android.os.Environment.UserEnvironment; 171import android.os.FileUtils; 172import android.os.Handler; 173import android.os.IBinder; 174import android.os.Looper; 175import android.os.Message; 176import android.os.Parcel; 177import android.os.ParcelFileDescriptor; 178import android.os.Process; 179import android.os.RemoteCallbackList; 180import android.os.RemoteException; 181import android.os.ResultReceiver; 182import android.os.SELinux; 183import android.os.ServiceManager; 184import android.os.SystemClock; 185import android.os.SystemProperties; 186import android.os.Trace; 187import android.os.UserHandle; 188import android.os.UserManager; 189import android.os.storage.IMountService; 190import android.os.storage.MountServiceInternal; 191import android.os.storage.StorageEventListener; 192import android.os.storage.StorageManager; 193import android.os.storage.VolumeInfo; 194import android.os.storage.VolumeRecord; 195import android.security.KeyStore; 196import android.security.SystemKeyStore; 197import android.system.ErrnoException; 198import android.system.Os; 199import android.text.TextUtils; 200import android.text.format.DateUtils; 201import android.util.ArrayMap; 202import android.util.ArraySet; 203import android.util.AtomicFile; 204import android.util.DisplayMetrics; 205import android.util.EventLog; 206import android.util.ExceptionUtils; 207import android.util.Log; 208import android.util.LogPrinter; 209import android.util.MathUtils; 210import android.util.PrintStreamPrinter; 211import android.util.Slog; 212import android.util.SparseArray; 213import android.util.SparseBooleanArray; 214import android.util.SparseIntArray; 215import android.util.Xml; 216import android.view.Display; 217 218import com.android.internal.R; 219import com.android.internal.annotations.GuardedBy; 220import com.android.internal.app.IMediaContainerService; 221import com.android.internal.app.ResolverActivity; 222import com.android.internal.content.NativeLibraryHelper; 223import com.android.internal.content.PackageHelper; 224import com.android.internal.os.IParcelFileDescriptorFactory; 225import com.android.internal.os.InstallerConnection.InstallerException; 226import com.android.internal.os.SomeArgs; 227import com.android.internal.os.Zygote; 228import com.android.internal.util.ArrayUtils; 229import com.android.internal.util.FastPrintWriter; 230import com.android.internal.util.FastXmlSerializer; 231import com.android.internal.util.IndentingPrintWriter; 232import com.android.internal.util.Preconditions; 233import com.android.internal.util.XmlUtils; 234import com.android.server.EventLogTags; 235import com.android.server.FgThread; 236import com.android.server.IntentResolver; 237import com.android.server.LocalServices; 238import com.android.server.ServiceThread; 239import com.android.server.SystemConfig; 240import com.android.server.Watchdog; 241import com.android.server.pm.PermissionsState.PermissionState; 242import com.android.server.pm.Settings.DatabaseVersion; 243import com.android.server.pm.Settings.VersionInfo; 244import com.android.server.storage.DeviceStorageMonitorInternal; 245 246import dalvik.system.DexFile; 247import dalvik.system.VMRuntime; 248 249import libcore.io.IoUtils; 250import libcore.util.EmptyArray; 251 252import org.xmlpull.v1.XmlPullParser; 253import org.xmlpull.v1.XmlPullParserException; 254import org.xmlpull.v1.XmlSerializer; 255 256import java.io.BufferedInputStream; 257import java.io.BufferedOutputStream; 258import java.io.BufferedReader; 259import java.io.ByteArrayInputStream; 260import java.io.ByteArrayOutputStream; 261import java.io.File; 262import java.io.FileDescriptor; 263import java.io.FileNotFoundException; 264import java.io.FileOutputStream; 265import java.io.FileReader; 266import java.io.FilenameFilter; 267import java.io.IOException; 268import java.io.InputStream; 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 static final int SCAN_DONT_KILL_APP = 1<<17; 364 365 static final int REMOVE_CHATTY = 1<<16; 366 367 private static final int[] EMPTY_INT_ARRAY = new int[0]; 368 369 /** 370 * Timeout (in milliseconds) after which the watchdog should declare that 371 * our handler thread is wedged. The usual default for such things is one 372 * minute but we sometimes do very lengthy I/O operations on this thread, 373 * such as installing multi-gigabyte applications, so ours needs to be longer. 374 */ 375 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 376 377 /** 378 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 379 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 380 * settings entry if available, otherwise we use the hardcoded default. If it's been 381 * more than this long since the last fstrim, we force one during the boot sequence. 382 * 383 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 384 * one gets run at the next available charging+idle time. This final mandatory 385 * no-fstrim check kicks in only of the other scheduling criteria is never met. 386 */ 387 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 388 389 /** 390 * Whether verification is enabled by default. 391 */ 392 private static final boolean DEFAULT_VERIFY_ENABLE = true; 393 394 /** 395 * The default maximum time to wait for the verification agent to return in 396 * milliseconds. 397 */ 398 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 399 400 /** 401 * The default response for package verification timeout. 402 * 403 * This can be either PackageManager.VERIFICATION_ALLOW or 404 * PackageManager.VERIFICATION_REJECT. 405 */ 406 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 407 408 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 409 410 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 411 DEFAULT_CONTAINER_PACKAGE, 412 "com.android.defcontainer.DefaultContainerService"); 413 414 private static final String KILL_APP_REASON_GIDS_CHANGED = 415 "permission grant or revoke changed gids"; 416 417 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 418 "permissions revoked"; 419 420 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 421 422 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 423 424 /** Permission grant: not grant the permission. */ 425 private static final int GRANT_DENIED = 1; 426 427 /** Permission grant: grant the permission as an install permission. */ 428 private static final int GRANT_INSTALL = 2; 429 430 /** Permission grant: grant the permission as a runtime one. */ 431 private static final int GRANT_RUNTIME = 3; 432 433 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 434 private static final int GRANT_UPGRADE = 4; 435 436 /** Canonical intent used to identify what counts as a "web browser" app */ 437 private static final Intent sBrowserIntent; 438 static { 439 sBrowserIntent = new Intent(); 440 sBrowserIntent.setAction(Intent.ACTION_VIEW); 441 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 442 sBrowserIntent.setData(Uri.parse("http:")); 443 } 444 445 final ServiceThread mHandlerThread; 446 447 final PackageHandler mHandler; 448 449 /** 450 * Messages for {@link #mHandler} that need to wait for system ready before 451 * being dispatched. 452 */ 453 private ArrayList<Message> mPostSystemReadyMessages; 454 455 final int mSdkVersion = Build.VERSION.SDK_INT; 456 457 final Context mContext; 458 final boolean mFactoryTest; 459 final boolean mOnlyCore; 460 final DisplayMetrics mMetrics; 461 final int mDefParseFlags; 462 final String[] mSeparateProcesses; 463 final boolean mIsUpgrade; 464 465 /** The location for ASEC container files on internal storage. */ 466 final String mAsecInternalPath; 467 468 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 469 // LOCK HELD. Can be called with mInstallLock held. 470 @GuardedBy("mInstallLock") 471 final Installer mInstaller; 472 473 /** Directory where installed third-party apps stored */ 474 final File mAppInstallDir; 475 final File mEphemeralInstallDir; 476 477 /** 478 * Directory to which applications installed internally have their 479 * 32 bit native libraries copied. 480 */ 481 private File mAppLib32InstallDir; 482 483 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 484 // apps. 485 final File mDrmAppPrivateInstallDir; 486 487 // ---------------------------------------------------------------- 488 489 // Lock for state used when installing and doing other long running 490 // operations. Methods that must be called with this lock held have 491 // the suffix "LI". 492 final Object mInstallLock = new Object(); 493 494 // ---------------------------------------------------------------- 495 496 // Keys are String (package name), values are Package. This also serves 497 // as the lock for the global state. Methods that must be called with 498 // this lock held have the prefix "LP". 499 @GuardedBy("mPackages") 500 final ArrayMap<String, PackageParser.Package> mPackages = 501 new ArrayMap<String, PackageParser.Package>(); 502 503 final ArrayMap<String, Set<String>> mKnownCodebase = 504 new ArrayMap<String, Set<String>>(); 505 506 // Tracks available target package names -> overlay package paths. 507 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 508 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 509 510 /** 511 * Tracks new system packages [received in an OTA] that we expect to 512 * find updated user-installed versions. Keys are package name, values 513 * are package location. 514 */ 515 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 516 517 /** 518 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 519 */ 520 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 521 /** 522 * Whether or not system app permissions should be promoted from install to runtime. 523 */ 524 boolean mPromoteSystemApps; 525 526 final Settings mSettings; 527 boolean mRestoredSettings; 528 529 // System configuration read by SystemConfig. 530 final int[] mGlobalGids; 531 final SparseArray<ArraySet<String>> mSystemPermissions; 532 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 533 534 // If mac_permissions.xml was found for seinfo labeling. 535 boolean mFoundPolicyFile; 536 537 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 538 539 public static final class SharedLibraryEntry { 540 public final String path; 541 public final String apk; 542 543 SharedLibraryEntry(String _path, String _apk) { 544 path = _path; 545 apk = _apk; 546 } 547 } 548 549 // Currently known shared libraries. 550 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 551 new ArrayMap<String, SharedLibraryEntry>(); 552 553 // All available activities, for your resolving pleasure. 554 final ActivityIntentResolver mActivities = 555 new ActivityIntentResolver(); 556 557 // All available receivers, for your resolving pleasure. 558 final ActivityIntentResolver mReceivers = 559 new ActivityIntentResolver(); 560 561 // All available services, for your resolving pleasure. 562 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 563 564 // All available providers, for your resolving pleasure. 565 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 566 567 // Mapping from provider base names (first directory in content URI codePath) 568 // to the provider information. 569 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 570 new ArrayMap<String, PackageParser.Provider>(); 571 572 // Mapping from instrumentation class names to info about them. 573 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 574 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 575 576 // Mapping from permission names to info about them. 577 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 578 new ArrayMap<String, PackageParser.PermissionGroup>(); 579 580 // Packages whose data we have transfered into another package, thus 581 // should no longer exist. 582 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 583 584 // Broadcast actions that are only available to the system. 585 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 586 587 /** List of packages waiting for verification. */ 588 final SparseArray<PackageVerificationState> mPendingVerification 589 = new SparseArray<PackageVerificationState>(); 590 591 /** Set of packages associated with each app op permission. */ 592 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 593 594 final PackageInstallerService mInstallerService; 595 596 private final PackageDexOptimizer mPackageDexOptimizer; 597 598 private AtomicInteger mNextMoveId = new AtomicInteger(); 599 private final MoveCallbacks mMoveCallbacks; 600 601 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 602 603 // Cache of users who need badging. 604 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 605 606 /** Token for keys in mPendingVerification. */ 607 private int mPendingVerificationToken = 0; 608 609 volatile boolean mSystemReady; 610 volatile boolean mSafeMode; 611 volatile boolean mHasSystemUidErrors; 612 613 ApplicationInfo mAndroidApplication; 614 final ActivityInfo mResolveActivity = new ActivityInfo(); 615 final ResolveInfo mResolveInfo = new ResolveInfo(); 616 ComponentName mResolveComponentName; 617 PackageParser.Package mPlatformPackage; 618 ComponentName mCustomResolverComponentName; 619 620 boolean mResolverReplaced = false; 621 622 private final @Nullable ComponentName mIntentFilterVerifierComponent; 623 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 624 625 private int mIntentFilterVerificationToken = 0; 626 627 /** Component that knows whether or not an ephemeral application exists */ 628 final ComponentName mEphemeralResolverComponent; 629 /** The service connection to the ephemeral resolver */ 630 final EphemeralResolverConnection mEphemeralResolverConnection; 631 632 /** Component used to install ephemeral applications */ 633 final ComponentName mEphemeralInstallerComponent; 634 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 635 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 636 637 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 638 = new SparseArray<IntentFilterVerificationState>(); 639 640 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 641 new DefaultPermissionGrantPolicy(this); 642 643 // List of packages names to keep cached, even if they are uninstalled for all users 644 private List<String> mKeepUninstalledPackages; 645 646 private static class IFVerificationParams { 647 PackageParser.Package pkg; 648 boolean replacing; 649 int userId; 650 int verifierUid; 651 652 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 653 int _userId, int _verifierUid) { 654 pkg = _pkg; 655 replacing = _replacing; 656 userId = _userId; 657 replacing = _replacing; 658 verifierUid = _verifierUid; 659 } 660 } 661 662 private interface IntentFilterVerifier<T extends IntentFilter> { 663 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 664 T filter, String packageName); 665 void startVerifications(int userId); 666 void receiveVerificationResponse(int verificationId); 667 } 668 669 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 670 private Context mContext; 671 private ComponentName mIntentFilterVerifierComponent; 672 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 673 674 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 675 mContext = context; 676 mIntentFilterVerifierComponent = verifierComponent; 677 } 678 679 private String getDefaultScheme() { 680 return IntentFilter.SCHEME_HTTPS; 681 } 682 683 @Override 684 public void startVerifications(int userId) { 685 // Launch verifications requests 686 int count = mCurrentIntentFilterVerifications.size(); 687 for (int n=0; n<count; n++) { 688 int verificationId = mCurrentIntentFilterVerifications.get(n); 689 final IntentFilterVerificationState ivs = 690 mIntentFilterVerificationStates.get(verificationId); 691 692 String packageName = ivs.getPackageName(); 693 694 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 695 final int filterCount = filters.size(); 696 ArraySet<String> domainsSet = new ArraySet<>(); 697 for (int m=0; m<filterCount; m++) { 698 PackageParser.ActivityIntentInfo filter = filters.get(m); 699 domainsSet.addAll(filter.getHostsList()); 700 } 701 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 702 synchronized (mPackages) { 703 if (mSettings.createIntentFilterVerificationIfNeededLPw( 704 packageName, domainsList) != null) { 705 scheduleWriteSettingsLocked(); 706 } 707 } 708 sendVerificationRequest(userId, verificationId, ivs); 709 } 710 mCurrentIntentFilterVerifications.clear(); 711 } 712 713 private void sendVerificationRequest(int userId, int verificationId, 714 IntentFilterVerificationState ivs) { 715 716 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 717 verificationIntent.putExtra( 718 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 719 verificationId); 720 verificationIntent.putExtra( 721 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 722 getDefaultScheme()); 723 verificationIntent.putExtra( 724 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 725 ivs.getHostsString()); 726 verificationIntent.putExtra( 727 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 728 ivs.getPackageName()); 729 verificationIntent.setComponent(mIntentFilterVerifierComponent); 730 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 731 732 UserHandle user = new UserHandle(userId); 733 mContext.sendBroadcastAsUser(verificationIntent, user); 734 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 735 "Sending IntentFilter verification broadcast"); 736 } 737 738 public void receiveVerificationResponse(int verificationId) { 739 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 740 741 final boolean verified = ivs.isVerified(); 742 743 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 744 final int count = filters.size(); 745 if (DEBUG_DOMAIN_VERIFICATION) { 746 Slog.i(TAG, "Received verification response " + verificationId 747 + " for " + count + " filters, verified=" + verified); 748 } 749 for (int n=0; n<count; n++) { 750 PackageParser.ActivityIntentInfo filter = filters.get(n); 751 filter.setVerified(verified); 752 753 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 754 + " verified with result:" + verified + " and hosts:" 755 + ivs.getHostsString()); 756 } 757 758 mIntentFilterVerificationStates.remove(verificationId); 759 760 final String packageName = ivs.getPackageName(); 761 IntentFilterVerificationInfo ivi = null; 762 763 synchronized (mPackages) { 764 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 765 } 766 if (ivi == null) { 767 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 768 + verificationId + " packageName:" + packageName); 769 return; 770 } 771 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 772 "Updating IntentFilterVerificationInfo for package " + packageName 773 +" verificationId:" + verificationId); 774 775 synchronized (mPackages) { 776 if (verified) { 777 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 778 } else { 779 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 780 } 781 scheduleWriteSettingsLocked(); 782 783 final int userId = ivs.getUserId(); 784 if (userId != UserHandle.USER_ALL) { 785 final int userStatus = 786 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 787 788 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 789 boolean needUpdate = false; 790 791 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 792 // already been set by the User thru the Disambiguation dialog 793 switch (userStatus) { 794 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 795 if (verified) { 796 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 797 } else { 798 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 799 } 800 needUpdate = true; 801 break; 802 803 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 804 if (verified) { 805 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 806 needUpdate = true; 807 } 808 break; 809 810 default: 811 // Nothing to do 812 } 813 814 if (needUpdate) { 815 mSettings.updateIntentFilterVerificationStatusLPw( 816 packageName, updatedStatus, userId); 817 scheduleWritePackageRestrictionsLocked(userId); 818 } 819 } 820 } 821 } 822 823 @Override 824 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 825 ActivityIntentInfo filter, String packageName) { 826 if (!hasValidDomains(filter)) { 827 return false; 828 } 829 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 830 if (ivs == null) { 831 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 832 packageName); 833 } 834 if (DEBUG_DOMAIN_VERIFICATION) { 835 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 836 } 837 ivs.addFilter(filter); 838 return true; 839 } 840 841 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 842 int userId, int verificationId, String packageName) { 843 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 844 verifierUid, userId, packageName); 845 ivs.setPendingState(); 846 synchronized (mPackages) { 847 mIntentFilterVerificationStates.append(verificationId, ivs); 848 mCurrentIntentFilterVerifications.add(verificationId); 849 } 850 return ivs; 851 } 852 } 853 854 private static boolean hasValidDomains(ActivityIntentInfo filter) { 855 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 856 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 857 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 858 } 859 860 // Set of pending broadcasts for aggregating enable/disable of components. 861 static class PendingPackageBroadcasts { 862 // for each user id, a map of <package name -> components within that package> 863 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 864 865 public PendingPackageBroadcasts() { 866 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 867 } 868 869 public ArrayList<String> get(int userId, String packageName) { 870 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 871 return packages.get(packageName); 872 } 873 874 public void put(int userId, String packageName, ArrayList<String> components) { 875 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 876 packages.put(packageName, components); 877 } 878 879 public void remove(int userId, String packageName) { 880 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 881 if (packages != null) { 882 packages.remove(packageName); 883 } 884 } 885 886 public void remove(int userId) { 887 mUidMap.remove(userId); 888 } 889 890 public int userIdCount() { 891 return mUidMap.size(); 892 } 893 894 public int userIdAt(int n) { 895 return mUidMap.keyAt(n); 896 } 897 898 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 899 return mUidMap.get(userId); 900 } 901 902 public int size() { 903 // total number of pending broadcast entries across all userIds 904 int num = 0; 905 for (int i = 0; i< mUidMap.size(); i++) { 906 num += mUidMap.valueAt(i).size(); 907 } 908 return num; 909 } 910 911 public void clear() { 912 mUidMap.clear(); 913 } 914 915 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 916 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 917 if (map == null) { 918 map = new ArrayMap<String, ArrayList<String>>(); 919 mUidMap.put(userId, map); 920 } 921 return map; 922 } 923 } 924 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 925 926 // Service Connection to remote media container service to copy 927 // package uri's from external media onto secure containers 928 // or internal storage. 929 private IMediaContainerService mContainerService = null; 930 931 static final int SEND_PENDING_BROADCAST = 1; 932 static final int MCS_BOUND = 3; 933 static final int END_COPY = 4; 934 static final int INIT_COPY = 5; 935 static final int MCS_UNBIND = 6; 936 static final int START_CLEANING_PACKAGE = 7; 937 static final int FIND_INSTALL_LOC = 8; 938 static final int POST_INSTALL = 9; 939 static final int MCS_RECONNECT = 10; 940 static final int MCS_GIVE_UP = 11; 941 static final int UPDATED_MEDIA_STATUS = 12; 942 static final int WRITE_SETTINGS = 13; 943 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 944 static final int PACKAGE_VERIFIED = 15; 945 static final int CHECK_PENDING_VERIFICATION = 16; 946 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 947 static final int INTENT_FILTER_VERIFIED = 18; 948 949 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 950 951 // Delay time in millisecs 952 static final int BROADCAST_DELAY = 10 * 1000; 953 954 static UserManagerService sUserManager; 955 956 // Stores a list of users whose package restrictions file needs to be updated 957 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 958 959 final private DefaultContainerConnection mDefContainerConn = 960 new DefaultContainerConnection(); 961 class DefaultContainerConnection implements ServiceConnection { 962 public void onServiceConnected(ComponentName name, IBinder service) { 963 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 964 IMediaContainerService imcs = 965 IMediaContainerService.Stub.asInterface(service); 966 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 967 } 968 969 public void onServiceDisconnected(ComponentName name) { 970 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 971 } 972 } 973 974 // Recordkeeping of restore-after-install operations that are currently in flight 975 // between the Package Manager and the Backup Manager 976 static class PostInstallData { 977 public InstallArgs args; 978 public PackageInstalledInfo res; 979 980 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 981 args = _a; 982 res = _r; 983 } 984 } 985 986 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 987 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 988 989 // XML tags for backup/restore of various bits of state 990 private static final String TAG_PREFERRED_BACKUP = "pa"; 991 private static final String TAG_DEFAULT_APPS = "da"; 992 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 993 994 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 995 private static final String TAG_ALL_GRANTS = "rt-grants"; 996 private static final String TAG_GRANT = "grant"; 997 private static final String ATTR_PACKAGE_NAME = "pkg"; 998 999 private static final String TAG_PERMISSION = "perm"; 1000 private static final String ATTR_PERMISSION_NAME = "name"; 1001 private static final String ATTR_IS_GRANTED = "g"; 1002 private static final String ATTR_USER_SET = "set"; 1003 private static final String ATTR_USER_FIXED = "fixed"; 1004 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1005 1006 // System/policy permission grants are not backed up 1007 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1008 FLAG_PERMISSION_POLICY_FIXED 1009 | FLAG_PERMISSION_SYSTEM_FIXED 1010 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1011 1012 // And we back up these user-adjusted states 1013 private static final int USER_RUNTIME_GRANT_MASK = 1014 FLAG_PERMISSION_USER_SET 1015 | FLAG_PERMISSION_USER_FIXED 1016 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1017 1018 final @Nullable String mRequiredVerifierPackage; 1019 final @Nullable String mRequiredInstallerPackage; 1020 1021 private final PackageUsage mPackageUsage = new PackageUsage(); 1022 1023 private class PackageUsage { 1024 private static final int WRITE_INTERVAL 1025 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 1026 1027 private final Object mFileLock = new Object(); 1028 private final AtomicLong mLastWritten = new AtomicLong(0); 1029 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 1030 1031 private boolean mIsHistoricalPackageUsageAvailable = true; 1032 1033 boolean isHistoricalPackageUsageAvailable() { 1034 return mIsHistoricalPackageUsageAvailable; 1035 } 1036 1037 void write(boolean force) { 1038 if (force) { 1039 writeInternal(); 1040 return; 1041 } 1042 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1043 && !DEBUG_DEXOPT) { 1044 return; 1045 } 1046 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1047 new Thread("PackageUsage_DiskWriter") { 1048 @Override 1049 public void run() { 1050 try { 1051 writeInternal(); 1052 } finally { 1053 mBackgroundWriteRunning.set(false); 1054 } 1055 } 1056 }.start(); 1057 } 1058 } 1059 1060 private void writeInternal() { 1061 synchronized (mPackages) { 1062 synchronized (mFileLock) { 1063 AtomicFile file = getFile(); 1064 FileOutputStream f = null; 1065 try { 1066 f = file.startWrite(); 1067 BufferedOutputStream out = new BufferedOutputStream(f); 1068 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1069 StringBuilder sb = new StringBuilder(); 1070 for (PackageParser.Package pkg : mPackages.values()) { 1071 if (pkg.mLastPackageUsageTimeInMills == 0) { 1072 continue; 1073 } 1074 sb.setLength(0); 1075 sb.append(pkg.packageName); 1076 sb.append(' '); 1077 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1078 sb.append('\n'); 1079 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1080 } 1081 out.flush(); 1082 file.finishWrite(f); 1083 } catch (IOException e) { 1084 if (f != null) { 1085 file.failWrite(f); 1086 } 1087 Log.e(TAG, "Failed to write package usage times", e); 1088 } 1089 } 1090 } 1091 mLastWritten.set(SystemClock.elapsedRealtime()); 1092 } 1093 1094 void readLP() { 1095 synchronized (mFileLock) { 1096 AtomicFile file = getFile(); 1097 BufferedInputStream in = null; 1098 try { 1099 in = new BufferedInputStream(file.openRead()); 1100 StringBuffer sb = new StringBuffer(); 1101 while (true) { 1102 String packageName = readToken(in, sb, ' '); 1103 if (packageName == null) { 1104 break; 1105 } 1106 String timeInMillisString = readToken(in, sb, '\n'); 1107 if (timeInMillisString == null) { 1108 throw new IOException("Failed to find last usage time for package " 1109 + packageName); 1110 } 1111 PackageParser.Package pkg = mPackages.get(packageName); 1112 if (pkg == null) { 1113 continue; 1114 } 1115 long timeInMillis; 1116 try { 1117 timeInMillis = Long.parseLong(timeInMillisString); 1118 } catch (NumberFormatException e) { 1119 throw new IOException("Failed to parse " + timeInMillisString 1120 + " as a long.", e); 1121 } 1122 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1123 } 1124 } catch (FileNotFoundException expected) { 1125 mIsHistoricalPackageUsageAvailable = false; 1126 } catch (IOException e) { 1127 Log.w(TAG, "Failed to read package usage times", e); 1128 } finally { 1129 IoUtils.closeQuietly(in); 1130 } 1131 } 1132 mLastWritten.set(SystemClock.elapsedRealtime()); 1133 } 1134 1135 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1136 throws IOException { 1137 sb.setLength(0); 1138 while (true) { 1139 int ch = in.read(); 1140 if (ch == -1) { 1141 if (sb.length() == 0) { 1142 return null; 1143 } 1144 throw new IOException("Unexpected EOF"); 1145 } 1146 if (ch == endOfToken) { 1147 return sb.toString(); 1148 } 1149 sb.append((char)ch); 1150 } 1151 } 1152 1153 private AtomicFile getFile() { 1154 File dataDir = Environment.getDataDirectory(); 1155 File systemDir = new File(dataDir, "system"); 1156 File fname = new File(systemDir, "package-usage.list"); 1157 return new AtomicFile(fname); 1158 } 1159 } 1160 1161 class PackageHandler extends Handler { 1162 private boolean mBound = false; 1163 final ArrayList<HandlerParams> mPendingInstalls = 1164 new ArrayList<HandlerParams>(); 1165 1166 private boolean connectToService() { 1167 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1168 " DefaultContainerService"); 1169 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1170 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1171 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1172 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1173 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1174 mBound = true; 1175 return true; 1176 } 1177 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1178 return false; 1179 } 1180 1181 private void disconnectService() { 1182 mContainerService = null; 1183 mBound = false; 1184 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1185 mContext.unbindService(mDefContainerConn); 1186 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1187 } 1188 1189 PackageHandler(Looper looper) { 1190 super(looper); 1191 } 1192 1193 public void handleMessage(Message msg) { 1194 try { 1195 doHandleMessage(msg); 1196 } finally { 1197 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1198 } 1199 } 1200 1201 void doHandleMessage(Message msg) { 1202 switch (msg.what) { 1203 case INIT_COPY: { 1204 HandlerParams params = (HandlerParams) msg.obj; 1205 int idx = mPendingInstalls.size(); 1206 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1207 // If a bind was already initiated we dont really 1208 // need to do anything. The pending install 1209 // will be processed later on. 1210 if (!mBound) { 1211 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1212 System.identityHashCode(mHandler)); 1213 // If this is the only one pending we might 1214 // have to bind to the service again. 1215 if (!connectToService()) { 1216 Slog.e(TAG, "Failed to bind to media container service"); 1217 params.serviceError(); 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1219 System.identityHashCode(mHandler)); 1220 if (params.traceMethod != null) { 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1222 params.traceCookie); 1223 } 1224 return; 1225 } else { 1226 // Once we bind to the service, the first 1227 // pending request will be processed. 1228 mPendingInstalls.add(idx, params); 1229 } 1230 } else { 1231 mPendingInstalls.add(idx, params); 1232 // Already bound to the service. Just make 1233 // sure we trigger off processing the first request. 1234 if (idx == 0) { 1235 mHandler.sendEmptyMessage(MCS_BOUND); 1236 } 1237 } 1238 break; 1239 } 1240 case MCS_BOUND: { 1241 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1242 if (msg.obj != null) { 1243 mContainerService = (IMediaContainerService) msg.obj; 1244 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1245 System.identityHashCode(mHandler)); 1246 } 1247 if (mContainerService == null) { 1248 if (!mBound) { 1249 // Something seriously wrong since we are not bound and we are not 1250 // waiting for connection. Bail out. 1251 Slog.e(TAG, "Cannot bind to media container service"); 1252 for (HandlerParams params : mPendingInstalls) { 1253 // Indicate service bind error 1254 params.serviceError(); 1255 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1256 System.identityHashCode(params)); 1257 if (params.traceMethod != null) { 1258 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1259 params.traceMethod, params.traceCookie); 1260 } 1261 return; 1262 } 1263 mPendingInstalls.clear(); 1264 } else { 1265 Slog.w(TAG, "Waiting to connect to media container service"); 1266 } 1267 } else if (mPendingInstalls.size() > 0) { 1268 HandlerParams params = mPendingInstalls.get(0); 1269 if (params != null) { 1270 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1271 System.identityHashCode(params)); 1272 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1273 if (params.startCopy()) { 1274 // We are done... look for more work or to 1275 // go idle. 1276 if (DEBUG_SD_INSTALL) Log.i(TAG, 1277 "Checking for more work or unbind..."); 1278 // Delete pending install 1279 if (mPendingInstalls.size() > 0) { 1280 mPendingInstalls.remove(0); 1281 } 1282 if (mPendingInstalls.size() == 0) { 1283 if (mBound) { 1284 if (DEBUG_SD_INSTALL) Log.i(TAG, 1285 "Posting delayed MCS_UNBIND"); 1286 removeMessages(MCS_UNBIND); 1287 Message ubmsg = obtainMessage(MCS_UNBIND); 1288 // Unbind after a little delay, to avoid 1289 // continual thrashing. 1290 sendMessageDelayed(ubmsg, 10000); 1291 } 1292 } else { 1293 // There are more pending requests in queue. 1294 // Just post MCS_BOUND message to trigger processing 1295 // of next pending install. 1296 if (DEBUG_SD_INSTALL) Log.i(TAG, 1297 "Posting MCS_BOUND for next work"); 1298 mHandler.sendEmptyMessage(MCS_BOUND); 1299 } 1300 } 1301 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1302 } 1303 } else { 1304 // Should never happen ideally. 1305 Slog.w(TAG, "Empty queue"); 1306 } 1307 break; 1308 } 1309 case MCS_RECONNECT: { 1310 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1311 if (mPendingInstalls.size() > 0) { 1312 if (mBound) { 1313 disconnectService(); 1314 } 1315 if (!connectToService()) { 1316 Slog.e(TAG, "Failed to bind to media container service"); 1317 for (HandlerParams params : mPendingInstalls) { 1318 // Indicate service bind error 1319 params.serviceError(); 1320 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1321 System.identityHashCode(params)); 1322 } 1323 mPendingInstalls.clear(); 1324 } 1325 } 1326 break; 1327 } 1328 case MCS_UNBIND: { 1329 // If there is no actual work left, then time to unbind. 1330 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1331 1332 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1333 if (mBound) { 1334 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1335 1336 disconnectService(); 1337 } 1338 } else if (mPendingInstalls.size() > 0) { 1339 // There are more pending requests in queue. 1340 // Just post MCS_BOUND message to trigger processing 1341 // of next pending install. 1342 mHandler.sendEmptyMessage(MCS_BOUND); 1343 } 1344 1345 break; 1346 } 1347 case MCS_GIVE_UP: { 1348 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1349 HandlerParams params = mPendingInstalls.remove(0); 1350 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1351 System.identityHashCode(params)); 1352 break; 1353 } 1354 case SEND_PENDING_BROADCAST: { 1355 String packages[]; 1356 ArrayList<String> components[]; 1357 int size = 0; 1358 int uids[]; 1359 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1360 synchronized (mPackages) { 1361 if (mPendingBroadcasts == null) { 1362 return; 1363 } 1364 size = mPendingBroadcasts.size(); 1365 if (size <= 0) { 1366 // Nothing to be done. Just return 1367 return; 1368 } 1369 packages = new String[size]; 1370 components = new ArrayList[size]; 1371 uids = new int[size]; 1372 int i = 0; // filling out the above arrays 1373 1374 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1375 int packageUserId = mPendingBroadcasts.userIdAt(n); 1376 Iterator<Map.Entry<String, ArrayList<String>>> it 1377 = mPendingBroadcasts.packagesForUserId(packageUserId) 1378 .entrySet().iterator(); 1379 while (it.hasNext() && i < size) { 1380 Map.Entry<String, ArrayList<String>> ent = it.next(); 1381 packages[i] = ent.getKey(); 1382 components[i] = ent.getValue(); 1383 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1384 uids[i] = (ps != null) 1385 ? UserHandle.getUid(packageUserId, ps.appId) 1386 : -1; 1387 i++; 1388 } 1389 } 1390 size = i; 1391 mPendingBroadcasts.clear(); 1392 } 1393 // Send broadcasts 1394 for (int i = 0; i < size; i++) { 1395 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1396 } 1397 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1398 break; 1399 } 1400 case START_CLEANING_PACKAGE: { 1401 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1402 final String packageName = (String)msg.obj; 1403 final int userId = msg.arg1; 1404 final boolean andCode = msg.arg2 != 0; 1405 synchronized (mPackages) { 1406 if (userId == UserHandle.USER_ALL) { 1407 int[] users = sUserManager.getUserIds(); 1408 for (int user : users) { 1409 mSettings.addPackageToCleanLPw( 1410 new PackageCleanItem(user, packageName, andCode)); 1411 } 1412 } else { 1413 mSettings.addPackageToCleanLPw( 1414 new PackageCleanItem(userId, packageName, andCode)); 1415 } 1416 } 1417 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1418 startCleaningPackages(); 1419 } break; 1420 case POST_INSTALL: { 1421 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1422 1423 PostInstallData data = mRunningInstalls.get(msg.arg1); 1424 mRunningInstalls.delete(msg.arg1); 1425 1426 if (data != null) { 1427 InstallArgs args = data.args; 1428 PackageInstalledInfo parentRes = data.res; 1429 1430 final boolean grantPermissions = (args.installFlags 1431 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1432 final boolean killApp = (args.installFlags 1433 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1434 final String[] grantedPermissions = args.installGrantPermissions; 1435 1436 // Handle the parent package 1437 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1438 grantedPermissions, args.observer); 1439 1440 // Handle the child packages 1441 final int childCount = (parentRes.addedChildPackages != null) 1442 ? parentRes.addedChildPackages.size() : 0; 1443 for (int i = 0; i < childCount; i++) { 1444 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1445 handlePackagePostInstall(childRes, grantPermissions, killApp, 1446 grantedPermissions, args.observer); 1447 } 1448 1449 // Log tracing if needed 1450 if (args.traceMethod != null) { 1451 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1452 args.traceCookie); 1453 } 1454 } else { 1455 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1456 } 1457 1458 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1459 } break; 1460 case UPDATED_MEDIA_STATUS: { 1461 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1462 boolean reportStatus = msg.arg1 == 1; 1463 boolean doGc = msg.arg2 == 1; 1464 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1465 if (doGc) { 1466 // Force a gc to clear up stale containers. 1467 Runtime.getRuntime().gc(); 1468 } 1469 if (msg.obj != null) { 1470 @SuppressWarnings("unchecked") 1471 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1472 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1473 // Unload containers 1474 unloadAllContainers(args); 1475 } 1476 if (reportStatus) { 1477 try { 1478 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1479 PackageHelper.getMountService().finishMediaUpdate(); 1480 } catch (RemoteException e) { 1481 Log.e(TAG, "MountService not running?"); 1482 } 1483 } 1484 } break; 1485 case WRITE_SETTINGS: { 1486 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1487 synchronized (mPackages) { 1488 removeMessages(WRITE_SETTINGS); 1489 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1490 mSettings.writeLPr(); 1491 mDirtyUsers.clear(); 1492 } 1493 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1494 } break; 1495 case WRITE_PACKAGE_RESTRICTIONS: { 1496 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1497 synchronized (mPackages) { 1498 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1499 for (int userId : mDirtyUsers) { 1500 mSettings.writePackageRestrictionsLPr(userId); 1501 } 1502 mDirtyUsers.clear(); 1503 } 1504 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1505 } break; 1506 case CHECK_PENDING_VERIFICATION: { 1507 final int verificationId = msg.arg1; 1508 final PackageVerificationState state = mPendingVerification.get(verificationId); 1509 1510 if ((state != null) && !state.timeoutExtended()) { 1511 final InstallArgs args = state.getInstallArgs(); 1512 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1513 1514 Slog.i(TAG, "Verification timed out for " + originUri); 1515 mPendingVerification.remove(verificationId); 1516 1517 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1518 1519 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1520 Slog.i(TAG, "Continuing with installation of " + originUri); 1521 state.setVerifierResponse(Binder.getCallingUid(), 1522 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1523 broadcastPackageVerified(verificationId, originUri, 1524 PackageManager.VERIFICATION_ALLOW, 1525 state.getInstallArgs().getUser()); 1526 try { 1527 ret = args.copyApk(mContainerService, true); 1528 } catch (RemoteException e) { 1529 Slog.e(TAG, "Could not contact the ContainerService"); 1530 } 1531 } else { 1532 broadcastPackageVerified(verificationId, originUri, 1533 PackageManager.VERIFICATION_REJECT, 1534 state.getInstallArgs().getUser()); 1535 } 1536 1537 Trace.asyncTraceEnd( 1538 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1539 1540 processPendingInstall(args, ret); 1541 mHandler.sendEmptyMessage(MCS_UNBIND); 1542 } 1543 break; 1544 } 1545 case PACKAGE_VERIFIED: { 1546 final int verificationId = msg.arg1; 1547 1548 final PackageVerificationState state = mPendingVerification.get(verificationId); 1549 if (state == null) { 1550 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1551 break; 1552 } 1553 1554 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1555 1556 state.setVerifierResponse(response.callerUid, response.code); 1557 1558 if (state.isVerificationComplete()) { 1559 mPendingVerification.remove(verificationId); 1560 1561 final InstallArgs args = state.getInstallArgs(); 1562 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1563 1564 int ret; 1565 if (state.isInstallAllowed()) { 1566 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1567 broadcastPackageVerified(verificationId, originUri, 1568 response.code, state.getInstallArgs().getUser()); 1569 try { 1570 ret = args.copyApk(mContainerService, true); 1571 } catch (RemoteException e) { 1572 Slog.e(TAG, "Could not contact the ContainerService"); 1573 } 1574 } else { 1575 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1576 } 1577 1578 Trace.asyncTraceEnd( 1579 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1580 1581 processPendingInstall(args, ret); 1582 mHandler.sendEmptyMessage(MCS_UNBIND); 1583 } 1584 1585 break; 1586 } 1587 case START_INTENT_FILTER_VERIFICATIONS: { 1588 IFVerificationParams params = (IFVerificationParams) msg.obj; 1589 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1590 params.replacing, params.pkg); 1591 break; 1592 } 1593 case INTENT_FILTER_VERIFIED: { 1594 final int verificationId = msg.arg1; 1595 1596 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1597 verificationId); 1598 if (state == null) { 1599 Slog.w(TAG, "Invalid IntentFilter verification token " 1600 + verificationId + " received"); 1601 break; 1602 } 1603 1604 final int userId = state.getUserId(); 1605 1606 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1607 "Processing IntentFilter verification with token:" 1608 + verificationId + " and userId:" + userId); 1609 1610 final IntentFilterVerificationResponse response = 1611 (IntentFilterVerificationResponse) msg.obj; 1612 1613 state.setVerifierResponse(response.callerUid, response.code); 1614 1615 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1616 "IntentFilter verification with token:" + verificationId 1617 + " and userId:" + userId 1618 + " is settings verifier response with response code:" 1619 + response.code); 1620 1621 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1622 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1623 + response.getFailedDomainsString()); 1624 } 1625 1626 if (state.isVerificationComplete()) { 1627 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1628 } else { 1629 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1630 "IntentFilter verification with token:" + verificationId 1631 + " was not said to be complete"); 1632 } 1633 1634 break; 1635 } 1636 } 1637 } 1638 } 1639 1640 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1641 boolean killApp, String[] grantedPermissions, 1642 IPackageInstallObserver2 installObserver) { 1643 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1644 // Send the removed broadcasts 1645 if (res.removedInfo != null) { 1646 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1647 } 1648 1649 // Now that we successfully installed the package, grant runtime 1650 // permissions if requested before broadcasting the install. 1651 if (grantPermissions && res.pkg.applicationInfo.targetSdkVersion 1652 >= Build.VERSION_CODES.M) { 1653 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1654 } 1655 1656 final boolean update = res.removedInfo != null 1657 && res.removedInfo.removedPackage != null; 1658 1659 // If this is the first time we have child packages for a disabled privileged 1660 // app that had no children, we grant requested runtime permissions to the new 1661 // children if the parent on the system image had them already granted. 1662 if (res.pkg.parentPackage != null) { 1663 synchronized (mPackages) { 1664 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1665 } 1666 } 1667 1668 synchronized (mPackages) { 1669 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1670 } 1671 1672 final String packageName = res.pkg.applicationInfo.packageName; 1673 Bundle extras = new Bundle(1); 1674 extras.putInt(Intent.EXTRA_UID, res.uid); 1675 1676 // Determine the set of users who are adding this package for 1677 // the first time vs. those who are seeing an update. 1678 int[] firstUsers = EMPTY_INT_ARRAY; 1679 int[] updateUsers = EMPTY_INT_ARRAY; 1680 if (res.origUsers == null || res.origUsers.length == 0) { 1681 firstUsers = res.newUsers; 1682 } else { 1683 for (int newUser : res.newUsers) { 1684 boolean isNew = true; 1685 for (int origUser : res.origUsers) { 1686 if (origUser == newUser) { 1687 isNew = false; 1688 break; 1689 } 1690 } 1691 if (isNew) { 1692 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1693 } else { 1694 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1695 } 1696 } 1697 } 1698 1699 // Send installed broadcasts if the install/update is not ephemeral 1700 if (!isEphemeral(res.pkg)) { 1701 // Send added for users that see the package for the first time 1702 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1703 extras, 0 /*flags*/, null /*targetPackage*/, 1704 null /*finishedReceiver*/, firstUsers); 1705 1706 // Send added for users that don't see the package for the first time 1707 if (update) { 1708 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1709 } 1710 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1711 extras, 0 /*flags*/, null /*targetPackage*/, 1712 null /*finishedReceiver*/, updateUsers); 1713 1714 // Send replaced for users that don't see the package for the first time 1715 if (update) { 1716 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1717 packageName, extras, 0 /*flags*/, 1718 null /*targetPackage*/, null /*finishedReceiver*/, 1719 updateUsers); 1720 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1721 null /*package*/, null /*extras*/, 0 /*flags*/, 1722 packageName /*targetPackage*/, 1723 null /*finishedReceiver*/, updateUsers); 1724 } 1725 1726 // Send broadcast package appeared if forward locked/external for all users 1727 // treat asec-hosted packages like removable media on upgrade 1728 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1729 if (DEBUG_INSTALL) { 1730 Slog.i(TAG, "upgrading pkg " + res.pkg 1731 + " is ASEC-hosted -> AVAILABLE"); 1732 } 1733 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1734 ArrayList<String> pkgList = new ArrayList<>(1); 1735 pkgList.add(packageName); 1736 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1737 } 1738 } 1739 1740 // Work that needs to happen on first install within each user 1741 if (firstUsers != null && firstUsers.length > 0) { 1742 synchronized (mPackages) { 1743 for (int userId : firstUsers) { 1744 // If this app is a browser and it's newly-installed for some 1745 // users, clear any default-browser state in those users. The 1746 // app's nature doesn't depend on the user, so we can just check 1747 // its browser nature in any user and generalize. 1748 if (packageIsBrowser(packageName, userId)) { 1749 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1750 } 1751 1752 // We may also need to apply pending (restored) runtime 1753 // permission grants within these users. 1754 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1755 } 1756 } 1757 } 1758 1759 // Log current value of "unknown sources" setting 1760 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1761 getUnknownSourcesSettings()); 1762 1763 // Force a gc to clear up things 1764 Runtime.getRuntime().gc(); 1765 1766 // Remove the replaced package's older resources safely now 1767 // We delete after a gc for applications on sdcard. 1768 if (res.removedInfo != null && res.removedInfo.args != null) { 1769 synchronized (mInstallLock) { 1770 res.removedInfo.args.doPostDeleteLI(true); 1771 } 1772 } 1773 } 1774 1775 // If someone is watching installs - notify them 1776 if (installObserver != null) { 1777 try { 1778 Bundle extras = extrasForInstallResult(res); 1779 installObserver.onPackageInstalled(res.name, res.returnCode, 1780 res.returnMsg, extras); 1781 } catch (RemoteException e) { 1782 Slog.i(TAG, "Observer no longer exists."); 1783 } 1784 } 1785 } 1786 1787 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1788 PackageParser.Package pkg) { 1789 if (pkg.parentPackage == null) { 1790 return; 1791 } 1792 if (pkg.requestedPermissions == null) { 1793 return; 1794 } 1795 final PackageSetting disabledSysParentPs = mSettings 1796 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1797 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1798 || !disabledSysParentPs.isPrivileged() 1799 || (disabledSysParentPs.childPackageNames != null 1800 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1801 return; 1802 } 1803 final int[] allUserIds = sUserManager.getUserIds(); 1804 final int permCount = pkg.requestedPermissions.size(); 1805 for (int i = 0; i < permCount; i++) { 1806 String permission = pkg.requestedPermissions.get(i); 1807 BasePermission bp = mSettings.mPermissions.get(permission); 1808 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1809 continue; 1810 } 1811 for (int userId : allUserIds) { 1812 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1813 permission, userId)) { 1814 grantRuntimePermission(pkg.packageName, permission, userId); 1815 } 1816 } 1817 } 1818 } 1819 1820 private StorageEventListener mStorageListener = new StorageEventListener() { 1821 @Override 1822 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1823 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1824 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1825 final String volumeUuid = vol.getFsUuid(); 1826 1827 // Clean up any users or apps that were removed or recreated 1828 // while this volume was missing 1829 reconcileUsers(volumeUuid); 1830 reconcileApps(volumeUuid); 1831 1832 // Clean up any install sessions that expired or were 1833 // cancelled while this volume was missing 1834 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1835 1836 loadPrivatePackages(vol); 1837 1838 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1839 unloadPrivatePackages(vol); 1840 } 1841 } 1842 1843 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1844 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1845 updateExternalMediaStatus(true, false); 1846 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1847 updateExternalMediaStatus(false, false); 1848 } 1849 } 1850 } 1851 1852 @Override 1853 public void onVolumeForgotten(String fsUuid) { 1854 if (TextUtils.isEmpty(fsUuid)) { 1855 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1856 return; 1857 } 1858 1859 // Remove any apps installed on the forgotten volume 1860 synchronized (mPackages) { 1861 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1862 for (PackageSetting ps : packages) { 1863 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1864 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1865 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1866 } 1867 1868 mSettings.onVolumeForgotten(fsUuid); 1869 mSettings.writeLPr(); 1870 } 1871 } 1872 }; 1873 1874 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 1875 String[] grantedPermissions) { 1876 for (int userId : userIds) { 1877 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1878 } 1879 1880 // We could have touched GID membership, so flush out packages.list 1881 synchronized (mPackages) { 1882 mSettings.writePackageListLPr(); 1883 } 1884 } 1885 1886 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1887 String[] grantedPermissions) { 1888 SettingBase sb = (SettingBase) pkg.mExtras; 1889 if (sb == null) { 1890 return; 1891 } 1892 1893 PermissionsState permissionsState = sb.getPermissionsState(); 1894 1895 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1896 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1897 1898 synchronized (mPackages) { 1899 for (String permission : pkg.requestedPermissions) { 1900 BasePermission bp = mSettings.mPermissions.get(permission); 1901 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1902 && (grantedPermissions == null 1903 || ArrayUtils.contains(grantedPermissions, permission))) { 1904 final int flags = permissionsState.getPermissionFlags(permission, userId); 1905 // Installer cannot change immutable permissions. 1906 if ((flags & immutableFlags) == 0) { 1907 grantRuntimePermission(pkg.packageName, permission, userId); 1908 } 1909 } 1910 } 1911 } 1912 } 1913 1914 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1915 Bundle extras = null; 1916 switch (res.returnCode) { 1917 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1918 extras = new Bundle(); 1919 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1920 res.origPermission); 1921 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1922 res.origPackage); 1923 break; 1924 } 1925 case PackageManager.INSTALL_SUCCEEDED: { 1926 extras = new Bundle(); 1927 extras.putBoolean(Intent.EXTRA_REPLACING, 1928 res.removedInfo != null && res.removedInfo.removedPackage != null); 1929 break; 1930 } 1931 } 1932 return extras; 1933 } 1934 1935 void scheduleWriteSettingsLocked() { 1936 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1937 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1938 } 1939 } 1940 1941 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 1942 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 1943 scheduleWritePackageRestrictionsLocked(userId); 1944 } 1945 1946 void scheduleWritePackageRestrictionsLocked(int userId) { 1947 final int[] userIds = (userId == UserHandle.USER_ALL) 1948 ? sUserManager.getUserIds() : new int[]{userId}; 1949 for (int nextUserId : userIds) { 1950 if (!sUserManager.exists(nextUserId)) return; 1951 mDirtyUsers.add(nextUserId); 1952 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1953 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1954 } 1955 } 1956 } 1957 1958 public static PackageManagerService main(Context context, Installer installer, 1959 boolean factoryTest, boolean onlyCore) { 1960 PackageManagerService m = new PackageManagerService(context, installer, 1961 factoryTest, onlyCore); 1962 m.enableSystemUserPackages(); 1963 ServiceManager.addService("package", m); 1964 return m; 1965 } 1966 1967 private void enableSystemUserPackages() { 1968 if (!UserManager.isSplitSystemUser()) { 1969 return; 1970 } 1971 // For system user, enable apps based on the following conditions: 1972 // - app is whitelisted or belong to one of these groups: 1973 // -- system app which has no launcher icons 1974 // -- system app which has INTERACT_ACROSS_USERS permission 1975 // -- system IME app 1976 // - app is not in the blacklist 1977 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1978 Set<String> enableApps = new ArraySet<>(); 1979 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1980 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1981 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1982 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1983 enableApps.addAll(wlApps); 1984 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1985 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1986 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1987 enableApps.removeAll(blApps); 1988 Log.i(TAG, "Applications installed for system user: " + enableApps); 1989 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1990 UserHandle.SYSTEM); 1991 final int allAppsSize = allAps.size(); 1992 synchronized (mPackages) { 1993 for (int i = 0; i < allAppsSize; i++) { 1994 String pName = allAps.get(i); 1995 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1996 // Should not happen, but we shouldn't be failing if it does 1997 if (pkgSetting == null) { 1998 continue; 1999 } 2000 boolean install = enableApps.contains(pName); 2001 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2002 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2003 + " for system user"); 2004 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2005 } 2006 } 2007 } 2008 } 2009 2010 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2011 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2012 Context.DISPLAY_SERVICE); 2013 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2014 } 2015 2016 public PackageManagerService(Context context, Installer installer, 2017 boolean factoryTest, boolean onlyCore) { 2018 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2019 SystemClock.uptimeMillis()); 2020 2021 if (mSdkVersion <= 0) { 2022 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2023 } 2024 2025 mContext = context; 2026 mFactoryTest = factoryTest; 2027 mOnlyCore = onlyCore; 2028 mMetrics = new DisplayMetrics(); 2029 mSettings = new Settings(mPackages); 2030 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2031 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2032 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2033 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2034 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2035 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2036 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2037 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2038 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2039 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2040 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2041 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2042 2043 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2044 if (separateProcesses != null && separateProcesses.length() > 0) { 2045 if ("*".equals(separateProcesses)) { 2046 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2047 mSeparateProcesses = null; 2048 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2049 } else { 2050 mDefParseFlags = 0; 2051 mSeparateProcesses = separateProcesses.split(","); 2052 Slog.w(TAG, "Running with debug.separate_processes: " 2053 + separateProcesses); 2054 } 2055 } else { 2056 mDefParseFlags = 0; 2057 mSeparateProcesses = null; 2058 } 2059 2060 mInstaller = installer; 2061 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2062 "*dexopt*"); 2063 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2064 2065 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2066 FgThread.get().getLooper()); 2067 2068 getDefaultDisplayMetrics(context, mMetrics); 2069 2070 SystemConfig systemConfig = SystemConfig.getInstance(); 2071 mGlobalGids = systemConfig.getGlobalGids(); 2072 mSystemPermissions = systemConfig.getSystemPermissions(); 2073 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2074 2075 synchronized (mInstallLock) { 2076 // writer 2077 synchronized (mPackages) { 2078 mHandlerThread = new ServiceThread(TAG, 2079 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2080 mHandlerThread.start(); 2081 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2082 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2083 2084 File dataDir = Environment.getDataDirectory(); 2085 mAppInstallDir = new File(dataDir, "app"); 2086 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2087 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 2088 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2089 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2090 2091 sUserManager = new UserManagerService(context, this, mPackages); 2092 2093 // Propagate permission configuration in to package manager. 2094 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2095 = systemConfig.getPermissions(); 2096 for (int i=0; i<permConfig.size(); i++) { 2097 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2098 BasePermission bp = mSettings.mPermissions.get(perm.name); 2099 if (bp == null) { 2100 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2101 mSettings.mPermissions.put(perm.name, bp); 2102 } 2103 if (perm.gids != null) { 2104 bp.setGids(perm.gids, perm.perUser); 2105 } 2106 } 2107 2108 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2109 for (int i=0; i<libConfig.size(); i++) { 2110 mSharedLibraries.put(libConfig.keyAt(i), 2111 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2112 } 2113 2114 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2115 2116 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2117 2118 String customResolverActivity = Resources.getSystem().getString( 2119 R.string.config_customResolverActivity); 2120 if (TextUtils.isEmpty(customResolverActivity)) { 2121 customResolverActivity = null; 2122 } else { 2123 mCustomResolverComponentName = ComponentName.unflattenFromString( 2124 customResolverActivity); 2125 } 2126 2127 long startTime = SystemClock.uptimeMillis(); 2128 2129 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2130 startTime); 2131 2132 // Set flag to monitor and not change apk file paths when 2133 // scanning install directories. 2134 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2135 2136 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2137 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2138 2139 if (bootClassPath == null) { 2140 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2141 } 2142 2143 if (systemServerClassPath == null) { 2144 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2145 } 2146 2147 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2148 final String[] dexCodeInstructionSets = 2149 getDexCodeInstructionSets( 2150 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2151 2152 /** 2153 * Ensure all external libraries have had dexopt run on them. 2154 */ 2155 if (mSharedLibraries.size() > 0) { 2156 // NOTE: For now, we're compiling these system "shared libraries" 2157 // (and framework jars) into all available architectures. It's possible 2158 // to compile them only when we come across an app that uses them (there's 2159 // already logic for that in scanPackageLI) but that adds some complexity. 2160 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2161 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2162 final String lib = libEntry.path; 2163 if (lib == null) { 2164 continue; 2165 } 2166 2167 try { 2168 // Shared libraries do not have profiles so we perform a full 2169 // AOT compilation (if needed). 2170 int dexoptNeeded = DexFile.getDexOptNeeded( 2171 lib, dexCodeInstructionSet, 2172 DexFile.COMPILATION_TYPE_FULL); 2173 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2174 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2175 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2176 StorageManager.UUID_PRIVATE_INTERNAL, 2177 false /*useProfiles*/); 2178 } 2179 } catch (FileNotFoundException e) { 2180 Slog.w(TAG, "Library not found: " + lib); 2181 } catch (IOException | InstallerException e) { 2182 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2183 + e.getMessage()); 2184 } 2185 } 2186 } 2187 } 2188 2189 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2190 2191 final VersionInfo ver = mSettings.getInternalVersion(); 2192 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2193 // when upgrading from pre-M, promote system app permissions from install to runtime 2194 mPromoteSystemApps = 2195 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2196 2197 // save off the names of pre-existing system packages prior to scanning; we don't 2198 // want to automatically grant runtime permissions for new system apps 2199 if (mPromoteSystemApps) { 2200 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2201 while (pkgSettingIter.hasNext()) { 2202 PackageSetting ps = pkgSettingIter.next(); 2203 if (isSystemApp(ps)) { 2204 mExistingSystemPackages.add(ps.name); 2205 } 2206 } 2207 } 2208 2209 // Collect vendor overlay packages. 2210 // (Do this before scanning any apps.) 2211 // For security and version matching reason, only consider 2212 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2213 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2214 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2215 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2216 2217 // Find base frameworks (resource packages without code). 2218 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2219 | PackageParser.PARSE_IS_SYSTEM_DIR 2220 | PackageParser.PARSE_IS_PRIVILEGED, 2221 scanFlags | SCAN_NO_DEX, 0); 2222 2223 // Collected privileged system packages. 2224 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2225 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2226 | PackageParser.PARSE_IS_SYSTEM_DIR 2227 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2228 2229 // Collect ordinary system packages. 2230 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2231 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2232 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2233 2234 // Collect all vendor packages. 2235 File vendorAppDir = new File("/vendor/app"); 2236 try { 2237 vendorAppDir = vendorAppDir.getCanonicalFile(); 2238 } catch (IOException e) { 2239 // failed to look up canonical path, continue with original one 2240 } 2241 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2242 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2243 2244 // Collect all OEM packages. 2245 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2246 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2247 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2248 2249 // Prune any system packages that no longer exist. 2250 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2251 if (!mOnlyCore) { 2252 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2253 while (psit.hasNext()) { 2254 PackageSetting ps = psit.next(); 2255 2256 /* 2257 * If this is not a system app, it can't be a 2258 * disable system app. 2259 */ 2260 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2261 continue; 2262 } 2263 2264 /* 2265 * If the package is scanned, it's not erased. 2266 */ 2267 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2268 if (scannedPkg != null) { 2269 /* 2270 * If the system app is both scanned and in the 2271 * disabled packages list, then it must have been 2272 * added via OTA. Remove it from the currently 2273 * scanned package so the previously user-installed 2274 * application can be scanned. 2275 */ 2276 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2277 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2278 + ps.name + "; removing system app. Last known codePath=" 2279 + ps.codePathString + ", installStatus=" + ps.installStatus 2280 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2281 + scannedPkg.mVersionCode); 2282 removePackageLI(scannedPkg, true); 2283 mExpectingBetter.put(ps.name, ps.codePath); 2284 } 2285 2286 continue; 2287 } 2288 2289 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2290 psit.remove(); 2291 logCriticalInfo(Log.WARN, "System package " + ps.name 2292 + " no longer exists; wiping its data"); 2293 removeDataDirsLI(null, ps.name); 2294 } else { 2295 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2296 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2297 possiblyDeletedUpdatedSystemApps.add(ps.name); 2298 } 2299 } 2300 } 2301 } 2302 2303 //look for any incomplete package installations 2304 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2305 //clean up list 2306 for(int i = 0; i < deletePkgsList.size(); i++) { 2307 //clean up here 2308 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2309 } 2310 //delete tmp files 2311 deleteTempPackageFiles(); 2312 2313 // Remove any shared userIDs that have no associated packages 2314 mSettings.pruneSharedUsersLPw(); 2315 2316 if (!mOnlyCore) { 2317 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2318 SystemClock.uptimeMillis()); 2319 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2320 2321 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2322 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2323 2324 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2325 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2326 2327 /** 2328 * Remove disable package settings for any updated system 2329 * apps that were removed via an OTA. If they're not a 2330 * previously-updated app, remove them completely. 2331 * Otherwise, just revoke their system-level permissions. 2332 */ 2333 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2334 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2335 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2336 2337 String msg; 2338 if (deletedPkg == null) { 2339 msg = "Updated system package " + deletedAppName 2340 + " no longer exists; wiping its data"; 2341 removeDataDirsLI(null, deletedAppName); 2342 } else { 2343 msg = "Updated system app + " + deletedAppName 2344 + " no longer present; removing system privileges for " 2345 + deletedAppName; 2346 2347 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2348 2349 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2350 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2351 } 2352 logCriticalInfo(Log.WARN, msg); 2353 } 2354 2355 /** 2356 * Make sure all system apps that we expected to appear on 2357 * the userdata partition actually showed up. If they never 2358 * appeared, crawl back and revive the system version. 2359 */ 2360 for (int i = 0; i < mExpectingBetter.size(); i++) { 2361 final String packageName = mExpectingBetter.keyAt(i); 2362 if (!mPackages.containsKey(packageName)) { 2363 final File scanFile = mExpectingBetter.valueAt(i); 2364 2365 logCriticalInfo(Log.WARN, "Expected better " + packageName 2366 + " but never showed up; reverting to system"); 2367 2368 final int reparseFlags; 2369 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2370 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2371 | PackageParser.PARSE_IS_SYSTEM_DIR 2372 | PackageParser.PARSE_IS_PRIVILEGED; 2373 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2374 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2375 | PackageParser.PARSE_IS_SYSTEM_DIR; 2376 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2377 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2378 | PackageParser.PARSE_IS_SYSTEM_DIR; 2379 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2380 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2381 | PackageParser.PARSE_IS_SYSTEM_DIR; 2382 } else { 2383 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2384 continue; 2385 } 2386 2387 mSettings.enableSystemPackageLPw(packageName); 2388 2389 try { 2390 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2391 } catch (PackageManagerException e) { 2392 Slog.e(TAG, "Failed to parse original system package: " 2393 + e.getMessage()); 2394 } 2395 } 2396 } 2397 } 2398 mExpectingBetter.clear(); 2399 2400 // Now that we know all of the shared libraries, update all clients to have 2401 // the correct library paths. 2402 updateAllSharedLibrariesLPw(); 2403 2404 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2405 // NOTE: We ignore potential failures here during a system scan (like 2406 // the rest of the commands above) because there's precious little we 2407 // can do about it. A settings error is reported, though. 2408 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2409 false /* boot complete */); 2410 } 2411 2412 // Now that we know all the packages we are keeping, 2413 // read and update their last usage times. 2414 mPackageUsage.readLP(); 2415 2416 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2417 SystemClock.uptimeMillis()); 2418 Slog.i(TAG, "Time to scan packages: " 2419 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2420 + " seconds"); 2421 2422 // If the platform SDK has changed since the last time we booted, 2423 // we need to re-grant app permission to catch any new ones that 2424 // appear. This is really a hack, and means that apps can in some 2425 // cases get permissions that the user didn't initially explicitly 2426 // allow... it would be nice to have some better way to handle 2427 // this situation. 2428 int updateFlags = UPDATE_PERMISSIONS_ALL; 2429 if (ver.sdkVersion != mSdkVersion) { 2430 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2431 + mSdkVersion + "; regranting permissions for internal storage"); 2432 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2433 } 2434 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2435 ver.sdkVersion = mSdkVersion; 2436 2437 // If this is the first boot or an update from pre-M, and it is a normal 2438 // boot, then we need to initialize the default preferred apps across 2439 // all defined users. 2440 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2441 for (UserInfo user : sUserManager.getUsers(true)) { 2442 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2443 applyFactoryDefaultBrowserLPw(user.id); 2444 primeDomainVerificationsLPw(user.id); 2445 } 2446 } 2447 2448 // Prepare storage for system user really early during boot, 2449 // since core system apps like SettingsProvider and SystemUI 2450 // can't wait for user to start 2451 final int storageFlags; 2452 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2453 storageFlags = StorageManager.FLAG_STORAGE_DE; 2454 } else { 2455 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2456 } 2457 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, 2458 storageFlags); 2459 2460 // If this is first boot after an OTA, and a normal boot, then 2461 // we need to clear code cache directories. 2462 if (mIsUpgrade && !onlyCore) { 2463 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2464 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2465 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2466 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2467 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2468 } 2469 } 2470 ver.fingerprint = Build.FINGERPRINT; 2471 } 2472 2473 checkDefaultBrowser(); 2474 2475 // clear only after permissions and other defaults have been updated 2476 mExistingSystemPackages.clear(); 2477 mPromoteSystemApps = false; 2478 2479 // All the changes are done during package scanning. 2480 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2481 2482 // can downgrade to reader 2483 mSettings.writeLPr(); 2484 2485 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2486 SystemClock.uptimeMillis()); 2487 2488 if (!mOnlyCore) { 2489 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2490 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2491 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2492 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2493 mIntentFilterVerifierComponent); 2494 } else { 2495 mRequiredVerifierPackage = null; 2496 mRequiredInstallerPackage = null; 2497 mIntentFilterVerifierComponent = null; 2498 mIntentFilterVerifier = null; 2499 } 2500 2501 mInstallerService = new PackageInstallerService(context, this); 2502 2503 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2504 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2505 // both the installer and resolver must be present to enable ephemeral 2506 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2507 if (DEBUG_EPHEMERAL) { 2508 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2509 + " installer:" + ephemeralInstallerComponent); 2510 } 2511 mEphemeralResolverComponent = ephemeralResolverComponent; 2512 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2513 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2514 mEphemeralResolverConnection = 2515 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2516 } else { 2517 if (DEBUG_EPHEMERAL) { 2518 final String missingComponent = 2519 (ephemeralResolverComponent == null) 2520 ? (ephemeralInstallerComponent == null) 2521 ? "resolver and installer" 2522 : "resolver" 2523 : "installer"; 2524 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2525 } 2526 mEphemeralResolverComponent = null; 2527 mEphemeralInstallerComponent = null; 2528 mEphemeralResolverConnection = null; 2529 } 2530 2531 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2532 } // synchronized (mPackages) 2533 } // synchronized (mInstallLock) 2534 2535 // Now after opening every single application zip, make sure they 2536 // are all flushed. Not really needed, but keeps things nice and 2537 // tidy. 2538 Runtime.getRuntime().gc(); 2539 2540 // The initial scanning above does many calls into installd while 2541 // holding the mPackages lock, but we're mostly interested in yelling 2542 // once we have a booted system. 2543 mInstaller.setWarnIfHeld(mPackages); 2544 2545 // Expose private service for system components to use. 2546 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2547 } 2548 2549 @Override 2550 public boolean isFirstBoot() { 2551 return !mRestoredSettings; 2552 } 2553 2554 @Override 2555 public boolean isOnlyCoreApps() { 2556 return mOnlyCore; 2557 } 2558 2559 @Override 2560 public boolean isUpgrade() { 2561 return mIsUpgrade; 2562 } 2563 2564 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2565 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2566 2567 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2568 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2569 if (matches.size() == 1) { 2570 return matches.get(0).getComponentInfo().packageName; 2571 } else { 2572 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2573 return null; 2574 } 2575 } 2576 2577 private @NonNull String getRequiredInstallerLPr() { 2578 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2579 intent.addCategory(Intent.CATEGORY_DEFAULT); 2580 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2581 2582 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2583 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2584 if (matches.size() == 1) { 2585 return matches.get(0).getComponentInfo().packageName; 2586 } else { 2587 throw new RuntimeException("There must be exactly one installer; found " + matches); 2588 } 2589 } 2590 2591 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2592 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2593 2594 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2595 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2596 ResolveInfo best = null; 2597 final int N = matches.size(); 2598 for (int i = 0; i < N; i++) { 2599 final ResolveInfo cur = matches.get(i); 2600 final String packageName = cur.getComponentInfo().packageName; 2601 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2602 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2603 continue; 2604 } 2605 2606 if (best == null || cur.priority > best.priority) { 2607 best = cur; 2608 } 2609 } 2610 2611 if (best != null) { 2612 return best.getComponentInfo().getComponentName(); 2613 } else { 2614 throw new RuntimeException("There must be at least one intent filter verifier"); 2615 } 2616 } 2617 2618 private @Nullable ComponentName getEphemeralResolverLPr() { 2619 final String[] packageArray = 2620 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2621 if (packageArray.length == 0) { 2622 if (DEBUG_EPHEMERAL) { 2623 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2624 } 2625 return null; 2626 } 2627 2628 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2629 final List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 2630 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2631 2632 final int N = resolvers.size(); 2633 if (N == 0) { 2634 if (DEBUG_EPHEMERAL) { 2635 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2636 } 2637 return null; 2638 } 2639 2640 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2641 for (int i = 0; i < N; i++) { 2642 final ResolveInfo info = resolvers.get(i); 2643 2644 if (info.serviceInfo == null) { 2645 continue; 2646 } 2647 2648 final String packageName = info.serviceInfo.packageName; 2649 if (!possiblePackages.contains(packageName)) { 2650 if (DEBUG_EPHEMERAL) { 2651 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2652 + " pkg: " + packageName + ", info:" + info); 2653 } 2654 continue; 2655 } 2656 2657 if (DEBUG_EPHEMERAL) { 2658 Slog.v(TAG, "Ephemeral resolver found;" 2659 + " pkg: " + packageName + ", info:" + info); 2660 } 2661 return new ComponentName(packageName, info.serviceInfo.name); 2662 } 2663 if (DEBUG_EPHEMERAL) { 2664 Slog.v(TAG, "Ephemeral resolver NOT found"); 2665 } 2666 return null; 2667 } 2668 2669 private @Nullable ComponentName getEphemeralInstallerLPr() { 2670 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2671 intent.addCategory(Intent.CATEGORY_DEFAULT); 2672 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2673 2674 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2675 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2676 if (matches.size() == 0) { 2677 return null; 2678 } else if (matches.size() == 1) { 2679 return matches.get(0).getComponentInfo().getComponentName(); 2680 } else { 2681 throw new RuntimeException( 2682 "There must be at most one ephemeral installer; found " + matches); 2683 } 2684 } 2685 2686 private void primeDomainVerificationsLPw(int userId) { 2687 if (DEBUG_DOMAIN_VERIFICATION) { 2688 Slog.d(TAG, "Priming domain verifications in user " + userId); 2689 } 2690 2691 SystemConfig systemConfig = SystemConfig.getInstance(); 2692 ArraySet<String> packages = systemConfig.getLinkedApps(); 2693 ArraySet<String> domains = new ArraySet<String>(); 2694 2695 for (String packageName : packages) { 2696 PackageParser.Package pkg = mPackages.get(packageName); 2697 if (pkg != null) { 2698 if (!pkg.isSystemApp()) { 2699 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2700 continue; 2701 } 2702 2703 domains.clear(); 2704 for (PackageParser.Activity a : pkg.activities) { 2705 for (ActivityIntentInfo filter : a.intents) { 2706 if (hasValidDomains(filter)) { 2707 domains.addAll(filter.getHostsList()); 2708 } 2709 } 2710 } 2711 2712 if (domains.size() > 0) { 2713 if (DEBUG_DOMAIN_VERIFICATION) { 2714 Slog.v(TAG, " + " + packageName); 2715 } 2716 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2717 // state w.r.t. the formal app-linkage "no verification attempted" state; 2718 // and then 'always' in the per-user state actually used for intent resolution. 2719 final IntentFilterVerificationInfo ivi; 2720 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2721 new ArrayList<String>(domains)); 2722 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2723 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2724 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2725 } else { 2726 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2727 + "' does not handle web links"); 2728 } 2729 } else { 2730 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2731 } 2732 } 2733 2734 scheduleWritePackageRestrictionsLocked(userId); 2735 scheduleWriteSettingsLocked(); 2736 } 2737 2738 private void applyFactoryDefaultBrowserLPw(int userId) { 2739 // The default browser app's package name is stored in a string resource, 2740 // with a product-specific overlay used for vendor customization. 2741 String browserPkg = mContext.getResources().getString( 2742 com.android.internal.R.string.default_browser); 2743 if (!TextUtils.isEmpty(browserPkg)) { 2744 // non-empty string => required to be a known package 2745 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2746 if (ps == null) { 2747 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2748 browserPkg = null; 2749 } else { 2750 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2751 } 2752 } 2753 2754 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2755 // default. If there's more than one, just leave everything alone. 2756 if (browserPkg == null) { 2757 calculateDefaultBrowserLPw(userId); 2758 } 2759 } 2760 2761 private void calculateDefaultBrowserLPw(int userId) { 2762 List<String> allBrowsers = resolveAllBrowserApps(userId); 2763 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2764 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2765 } 2766 2767 private List<String> resolveAllBrowserApps(int userId) { 2768 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2769 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2770 PackageManager.MATCH_ALL, userId); 2771 2772 final int count = list.size(); 2773 List<String> result = new ArrayList<String>(count); 2774 for (int i=0; i<count; i++) { 2775 ResolveInfo info = list.get(i); 2776 if (info.activityInfo == null 2777 || !info.handleAllWebDataURI 2778 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2779 || result.contains(info.activityInfo.packageName)) { 2780 continue; 2781 } 2782 result.add(info.activityInfo.packageName); 2783 } 2784 2785 return result; 2786 } 2787 2788 private boolean packageIsBrowser(String packageName, int userId) { 2789 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 2790 PackageManager.MATCH_ALL, userId); 2791 final int N = list.size(); 2792 for (int i = 0; i < N; i++) { 2793 ResolveInfo info = list.get(i); 2794 if (packageName.equals(info.activityInfo.packageName)) { 2795 return true; 2796 } 2797 } 2798 return false; 2799 } 2800 2801 private void checkDefaultBrowser() { 2802 final int myUserId = UserHandle.myUserId(); 2803 final String packageName = getDefaultBrowserPackageName(myUserId); 2804 if (packageName != null) { 2805 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2806 if (info == null) { 2807 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2808 synchronized (mPackages) { 2809 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2810 } 2811 } 2812 } 2813 } 2814 2815 @Override 2816 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2817 throws RemoteException { 2818 try { 2819 return super.onTransact(code, data, reply, flags); 2820 } catch (RuntimeException e) { 2821 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2822 Slog.wtf(TAG, "Package Manager Crash", e); 2823 } 2824 throw e; 2825 } 2826 } 2827 2828 void cleanupInstallFailedPackage(PackageSetting ps) { 2829 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2830 2831 removeDataDirsLI(ps.volumeUuid, ps.name); 2832 if (ps.codePath != null) { 2833 removeCodePathLI(ps.codePath); 2834 } 2835 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2836 if (ps.resourcePath.isDirectory()) { 2837 FileUtils.deleteContents(ps.resourcePath); 2838 } 2839 ps.resourcePath.delete(); 2840 } 2841 mSettings.removePackageLPw(ps.name); 2842 } 2843 2844 static int[] appendInts(int[] cur, int[] add) { 2845 if (add == null) return cur; 2846 if (cur == null) return add; 2847 final int N = add.length; 2848 for (int i=0; i<N; i++) { 2849 cur = appendInt(cur, add[i]); 2850 } 2851 return cur; 2852 } 2853 2854 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2855 if (!sUserManager.exists(userId)) return null; 2856 final PackageSetting ps = (PackageSetting) p.mExtras; 2857 if (ps == null) { 2858 return null; 2859 } 2860 2861 final PermissionsState permissionsState = ps.getPermissionsState(); 2862 2863 final int[] gids = permissionsState.computeGids(userId); 2864 final Set<String> permissions = permissionsState.getPermissions(userId); 2865 final PackageUserState state = ps.readUserState(userId); 2866 2867 return PackageParser.generatePackageInfo(p, gids, flags, 2868 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2869 } 2870 2871 @Override 2872 public void checkPackageStartable(String packageName, int userId) { 2873 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2874 2875 synchronized (mPackages) { 2876 final PackageSetting ps = mSettings.mPackages.get(packageName); 2877 if (ps == null) { 2878 throw new SecurityException("Package " + packageName + " was not found!"); 2879 } 2880 2881 if (mSafeMode && !ps.isSystem()) { 2882 throw new SecurityException("Package " + packageName + " not a system app!"); 2883 } 2884 2885 if (ps.frozen) { 2886 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2887 } 2888 2889 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2890 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2891 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2892 } 2893 } 2894 } 2895 2896 @Override 2897 public boolean isPackageAvailable(String packageName, int userId) { 2898 if (!sUserManager.exists(userId)) return false; 2899 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2900 false /* requireFullPermission */, false /* checkShell */, "is package available"); 2901 synchronized (mPackages) { 2902 PackageParser.Package p = mPackages.get(packageName); 2903 if (p != null) { 2904 final PackageSetting ps = (PackageSetting) p.mExtras; 2905 if (ps != null) { 2906 final PackageUserState state = ps.readUserState(userId); 2907 if (state != null) { 2908 return PackageParser.isAvailable(state); 2909 } 2910 } 2911 } 2912 } 2913 return false; 2914 } 2915 2916 @Override 2917 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2918 if (!sUserManager.exists(userId)) return null; 2919 flags = updateFlagsForPackage(flags, userId, packageName); 2920 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2921 false /* requireFullPermission */, false /* checkShell */, "get package info"); 2922 // reader 2923 synchronized (mPackages) { 2924 PackageParser.Package p = mPackages.get(packageName); 2925 if (DEBUG_PACKAGE_INFO) 2926 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2927 if (p != null) { 2928 return generatePackageInfo(p, flags, userId); 2929 } 2930 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2931 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2932 } 2933 } 2934 return null; 2935 } 2936 2937 @Override 2938 public String[] currentToCanonicalPackageNames(String[] names) { 2939 String[] out = new String[names.length]; 2940 // reader 2941 synchronized (mPackages) { 2942 for (int i=names.length-1; i>=0; i--) { 2943 PackageSetting ps = mSettings.mPackages.get(names[i]); 2944 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2945 } 2946 } 2947 return out; 2948 } 2949 2950 @Override 2951 public String[] canonicalToCurrentPackageNames(String[] names) { 2952 String[] out = new String[names.length]; 2953 // reader 2954 synchronized (mPackages) { 2955 for (int i=names.length-1; i>=0; i--) { 2956 String cur = mSettings.mRenamedPackages.get(names[i]); 2957 out[i] = cur != null ? cur : names[i]; 2958 } 2959 } 2960 return out; 2961 } 2962 2963 @Override 2964 public int getPackageUid(String packageName, int flags, int userId) { 2965 if (!sUserManager.exists(userId)) return -1; 2966 flags = updateFlagsForPackage(flags, userId, packageName); 2967 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2968 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 2969 2970 // reader 2971 synchronized (mPackages) { 2972 final PackageParser.Package p = mPackages.get(packageName); 2973 if (p != null && p.isMatch(flags)) { 2974 return UserHandle.getUid(userId, p.applicationInfo.uid); 2975 } 2976 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2977 final PackageSetting ps = mSettings.mPackages.get(packageName); 2978 if (ps != null && ps.isMatch(flags)) { 2979 return UserHandle.getUid(userId, ps.appId); 2980 } 2981 } 2982 } 2983 2984 return -1; 2985 } 2986 2987 @Override 2988 public int[] getPackageGids(String packageName, int flags, int userId) { 2989 if (!sUserManager.exists(userId)) return null; 2990 flags = updateFlagsForPackage(flags, userId, packageName); 2991 enforceCrossUserPermission(Binder.getCallingUid(), userId, 2992 false /* requireFullPermission */, false /* checkShell */, 2993 "getPackageGids"); 2994 2995 // reader 2996 synchronized (mPackages) { 2997 final PackageParser.Package p = mPackages.get(packageName); 2998 if (p != null && p.isMatch(flags)) { 2999 PackageSetting ps = (PackageSetting) p.mExtras; 3000 return ps.getPermissionsState().computeGids(userId); 3001 } 3002 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3003 final PackageSetting ps = mSettings.mPackages.get(packageName); 3004 if (ps != null && ps.isMatch(flags)) { 3005 return ps.getPermissionsState().computeGids(userId); 3006 } 3007 } 3008 } 3009 3010 return null; 3011 } 3012 3013 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3014 if (bp.perm != null) { 3015 return PackageParser.generatePermissionInfo(bp.perm, flags); 3016 } 3017 PermissionInfo pi = new PermissionInfo(); 3018 pi.name = bp.name; 3019 pi.packageName = bp.sourcePackage; 3020 pi.nonLocalizedLabel = bp.name; 3021 pi.protectionLevel = bp.protectionLevel; 3022 return pi; 3023 } 3024 3025 @Override 3026 public PermissionInfo getPermissionInfo(String name, int flags) { 3027 // reader 3028 synchronized (mPackages) { 3029 final BasePermission p = mSettings.mPermissions.get(name); 3030 if (p != null) { 3031 return generatePermissionInfo(p, flags); 3032 } 3033 return null; 3034 } 3035 } 3036 3037 @Override 3038 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3039 int flags) { 3040 // reader 3041 synchronized (mPackages) { 3042 if (group != null && !mPermissionGroups.containsKey(group)) { 3043 // This is thrown as NameNotFoundException 3044 return null; 3045 } 3046 3047 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3048 for (BasePermission p : mSettings.mPermissions.values()) { 3049 if (group == null) { 3050 if (p.perm == null || p.perm.info.group == null) { 3051 out.add(generatePermissionInfo(p, flags)); 3052 } 3053 } else { 3054 if (p.perm != null && group.equals(p.perm.info.group)) { 3055 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3056 } 3057 } 3058 } 3059 return new ParceledListSlice<>(out); 3060 } 3061 } 3062 3063 @Override 3064 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3065 // reader 3066 synchronized (mPackages) { 3067 return PackageParser.generatePermissionGroupInfo( 3068 mPermissionGroups.get(name), flags); 3069 } 3070 } 3071 3072 @Override 3073 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3074 // reader 3075 synchronized (mPackages) { 3076 final int N = mPermissionGroups.size(); 3077 ArrayList<PermissionGroupInfo> out 3078 = new ArrayList<PermissionGroupInfo>(N); 3079 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3080 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3081 } 3082 return new ParceledListSlice<>(out); 3083 } 3084 } 3085 3086 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3087 int userId) { 3088 if (!sUserManager.exists(userId)) return null; 3089 PackageSetting ps = mSettings.mPackages.get(packageName); 3090 if (ps != null) { 3091 if (ps.pkg == null) { 3092 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 3093 flags, userId); 3094 if (pInfo != null) { 3095 return pInfo.applicationInfo; 3096 } 3097 return null; 3098 } 3099 return PackageParser.generateApplicationInfo(ps.pkg, flags, 3100 ps.readUserState(userId), userId); 3101 } 3102 return null; 3103 } 3104 3105 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 3106 int userId) { 3107 if (!sUserManager.exists(userId)) return null; 3108 PackageSetting ps = mSettings.mPackages.get(packageName); 3109 if (ps != null) { 3110 PackageParser.Package pkg = ps.pkg; 3111 if (pkg == null) { 3112 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 3113 return null; 3114 } 3115 // Only data remains, so we aren't worried about code paths 3116 pkg = new PackageParser.Package(packageName); 3117 pkg.applicationInfo.packageName = packageName; 3118 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3119 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3120 pkg.applicationInfo.uid = ps.appId; 3121 pkg.applicationInfo.initForUser(userId); 3122 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3123 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3124 } 3125 return generatePackageInfo(pkg, flags, userId); 3126 } 3127 return null; 3128 } 3129 3130 @Override 3131 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3132 if (!sUserManager.exists(userId)) return null; 3133 flags = updateFlagsForApplication(flags, userId, packageName); 3134 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3135 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3136 // writer 3137 synchronized (mPackages) { 3138 PackageParser.Package p = mPackages.get(packageName); 3139 if (DEBUG_PACKAGE_INFO) Log.v( 3140 TAG, "getApplicationInfo " + packageName 3141 + ": " + p); 3142 if (p != null) { 3143 PackageSetting ps = mSettings.mPackages.get(packageName); 3144 if (ps == null) return null; 3145 // Note: isEnabledLP() does not apply here - always return info 3146 return PackageParser.generateApplicationInfo( 3147 p, flags, ps.readUserState(userId), userId); 3148 } 3149 if ("android".equals(packageName)||"system".equals(packageName)) { 3150 return mAndroidApplication; 3151 } 3152 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3153 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3154 } 3155 } 3156 return null; 3157 } 3158 3159 @Override 3160 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3161 final IPackageDataObserver observer) { 3162 mContext.enforceCallingOrSelfPermission( 3163 android.Manifest.permission.CLEAR_APP_CACHE, null); 3164 // Queue up an async operation since clearing cache may take a little while. 3165 mHandler.post(new Runnable() { 3166 public void run() { 3167 mHandler.removeCallbacks(this); 3168 boolean success = true; 3169 synchronized (mInstallLock) { 3170 try { 3171 mInstaller.freeCache(volumeUuid, freeStorageSize); 3172 } catch (InstallerException e) { 3173 Slog.w(TAG, "Couldn't clear application caches: " + e); 3174 success = false; 3175 } 3176 } 3177 if (observer != null) { 3178 try { 3179 observer.onRemoveCompleted(null, success); 3180 } catch (RemoteException e) { 3181 Slog.w(TAG, "RemoveException when invoking call back"); 3182 } 3183 } 3184 } 3185 }); 3186 } 3187 3188 @Override 3189 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3190 final IntentSender pi) { 3191 mContext.enforceCallingOrSelfPermission( 3192 android.Manifest.permission.CLEAR_APP_CACHE, null); 3193 // Queue up an async operation since clearing cache may take a little while. 3194 mHandler.post(new Runnable() { 3195 public void run() { 3196 mHandler.removeCallbacks(this); 3197 boolean success = true; 3198 synchronized (mInstallLock) { 3199 try { 3200 mInstaller.freeCache(volumeUuid, freeStorageSize); 3201 } catch (InstallerException e) { 3202 Slog.w(TAG, "Couldn't clear application caches: " + e); 3203 success = false; 3204 } 3205 } 3206 if(pi != null) { 3207 try { 3208 // Callback via pending intent 3209 int code = success ? 1 : 0; 3210 pi.sendIntent(null, code, null, 3211 null, null); 3212 } catch (SendIntentException e1) { 3213 Slog.i(TAG, "Failed to send pending intent"); 3214 } 3215 } 3216 } 3217 }); 3218 } 3219 3220 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3221 synchronized (mInstallLock) { 3222 try { 3223 mInstaller.freeCache(volumeUuid, freeStorageSize); 3224 } catch (InstallerException e) { 3225 throw new IOException("Failed to free enough space", e); 3226 } 3227 } 3228 } 3229 3230 /** 3231 * Return if the user key is currently unlocked. 3232 */ 3233 private boolean isUserKeyUnlocked(int userId) { 3234 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3235 final IMountService mount = IMountService.Stub 3236 .asInterface(ServiceManager.getService("mount")); 3237 if (mount == null) { 3238 Slog.w(TAG, "Early during boot, assuming locked"); 3239 return false; 3240 } 3241 final long token = Binder.clearCallingIdentity(); 3242 try { 3243 return mount.isUserKeyUnlocked(userId); 3244 } catch (RemoteException e) { 3245 throw e.rethrowAsRuntimeException(); 3246 } finally { 3247 Binder.restoreCallingIdentity(token); 3248 } 3249 } else { 3250 return true; 3251 } 3252 } 3253 3254 /** 3255 * Update given flags based on encryption status of current user. 3256 */ 3257 private int updateFlags(int flags, int userId) { 3258 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3259 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3260 // Caller expressed an explicit opinion about what encryption 3261 // aware/unaware components they want to see, so fall through and 3262 // give them what they want 3263 } else { 3264 // Caller expressed no opinion, so match based on user state 3265 if (isUserKeyUnlocked(userId)) { 3266 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3267 } else { 3268 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3269 } 3270 } 3271 return flags; 3272 } 3273 3274 /** 3275 * Update given flags when being used to request {@link PackageInfo}. 3276 */ 3277 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3278 boolean triaged = true; 3279 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3280 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3281 // Caller is asking for component details, so they'd better be 3282 // asking for specific encryption matching behavior, or be triaged 3283 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3284 | PackageManager.MATCH_ENCRYPTION_AWARE 3285 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3286 triaged = false; 3287 } 3288 } 3289 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3290 | PackageManager.MATCH_SYSTEM_ONLY 3291 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3292 triaged = false; 3293 } 3294 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3295 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3296 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3297 } 3298 return updateFlags(flags, userId); 3299 } 3300 3301 /** 3302 * Update given flags when being used to request {@link ApplicationInfo}. 3303 */ 3304 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3305 return updateFlagsForPackage(flags, userId, cookie); 3306 } 3307 3308 /** 3309 * Update given flags when being used to request {@link ComponentInfo}. 3310 */ 3311 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3312 if (cookie instanceof Intent) { 3313 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3314 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3315 } 3316 } 3317 3318 boolean triaged = true; 3319 // Caller is asking for component details, so they'd better be 3320 // asking for specific encryption matching behavior, or be triaged 3321 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3322 | PackageManager.MATCH_ENCRYPTION_AWARE 3323 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3324 triaged = false; 3325 } 3326 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3327 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3328 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3329 } 3330 3331 return updateFlags(flags, userId); 3332 } 3333 3334 /** 3335 * Update given flags when being used to request {@link ResolveInfo}. 3336 */ 3337 int updateFlagsForResolve(int flags, int userId, Object cookie) { 3338 // Safe mode means we shouldn't match any third-party components 3339 if (mSafeMode) { 3340 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3341 } 3342 3343 return updateFlagsForComponent(flags, userId, cookie); 3344 } 3345 3346 @Override 3347 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3348 if (!sUserManager.exists(userId)) return null; 3349 flags = updateFlagsForComponent(flags, userId, component); 3350 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3351 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 3352 synchronized (mPackages) { 3353 PackageParser.Activity a = mActivities.mActivities.get(component); 3354 3355 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3356 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3357 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3358 if (ps == null) return null; 3359 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3360 userId); 3361 } 3362 if (mResolveComponentName.equals(component)) { 3363 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3364 new PackageUserState(), userId); 3365 } 3366 } 3367 return null; 3368 } 3369 3370 @Override 3371 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3372 String resolvedType) { 3373 synchronized (mPackages) { 3374 if (component.equals(mResolveComponentName)) { 3375 // The resolver supports EVERYTHING! 3376 return true; 3377 } 3378 PackageParser.Activity a = mActivities.mActivities.get(component); 3379 if (a == null) { 3380 return false; 3381 } 3382 for (int i=0; i<a.intents.size(); i++) { 3383 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3384 intent.getData(), intent.getCategories(), TAG) >= 0) { 3385 return true; 3386 } 3387 } 3388 return false; 3389 } 3390 } 3391 3392 @Override 3393 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3394 if (!sUserManager.exists(userId)) return null; 3395 flags = updateFlagsForComponent(flags, userId, component); 3396 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3397 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 3398 synchronized (mPackages) { 3399 PackageParser.Activity a = mReceivers.mActivities.get(component); 3400 if (DEBUG_PACKAGE_INFO) Log.v( 3401 TAG, "getReceiverInfo " + component + ": " + a); 3402 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3403 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3404 if (ps == null) return null; 3405 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3406 userId); 3407 } 3408 } 3409 return null; 3410 } 3411 3412 @Override 3413 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3414 if (!sUserManager.exists(userId)) return null; 3415 flags = updateFlagsForComponent(flags, userId, component); 3416 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3417 false /* requireFullPermission */, false /* checkShell */, "get service info"); 3418 synchronized (mPackages) { 3419 PackageParser.Service s = mServices.mServices.get(component); 3420 if (DEBUG_PACKAGE_INFO) Log.v( 3421 TAG, "getServiceInfo " + component + ": " + s); 3422 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3423 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3424 if (ps == null) return null; 3425 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3426 userId); 3427 } 3428 } 3429 return null; 3430 } 3431 3432 @Override 3433 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3434 if (!sUserManager.exists(userId)) return null; 3435 flags = updateFlagsForComponent(flags, userId, component); 3436 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3437 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 3438 synchronized (mPackages) { 3439 PackageParser.Provider p = mProviders.mProviders.get(component); 3440 if (DEBUG_PACKAGE_INFO) Log.v( 3441 TAG, "getProviderInfo " + component + ": " + p); 3442 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3443 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3444 if (ps == null) return null; 3445 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3446 userId); 3447 } 3448 } 3449 return null; 3450 } 3451 3452 @Override 3453 public String[] getSystemSharedLibraryNames() { 3454 Set<String> libSet; 3455 synchronized (mPackages) { 3456 libSet = mSharedLibraries.keySet(); 3457 int size = libSet.size(); 3458 if (size > 0) { 3459 String[] libs = new String[size]; 3460 libSet.toArray(libs); 3461 return libs; 3462 } 3463 } 3464 return null; 3465 } 3466 3467 @Override 3468 public @Nullable String getServicesSystemSharedLibraryPackageName() { 3469 synchronized (mPackages) { 3470 SharedLibraryEntry libraryEntry = mSharedLibraries.get( 3471 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES); 3472 if (libraryEntry != null) { 3473 return libraryEntry.apk; 3474 } 3475 } 3476 return null; 3477 } 3478 3479 @Override 3480 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 3481 synchronized (mPackages) { 3482 final ArrayList<FeatureInfo> res = new ArrayList<>(mAvailableFeatures.values()); 3483 3484 final FeatureInfo fi = new FeatureInfo(); 3485 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3486 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3487 res.add(fi); 3488 3489 return new ParceledListSlice<>(res); 3490 } 3491 } 3492 3493 @Override 3494 public boolean hasSystemFeature(String name, int version) { 3495 synchronized (mPackages) { 3496 final FeatureInfo feat = mAvailableFeatures.get(name); 3497 if (feat == null) { 3498 return false; 3499 } else { 3500 return feat.version >= version; 3501 } 3502 } 3503 } 3504 3505 @Override 3506 public int checkPermission(String permName, String pkgName, int userId) { 3507 if (!sUserManager.exists(userId)) { 3508 return PackageManager.PERMISSION_DENIED; 3509 } 3510 3511 synchronized (mPackages) { 3512 final PackageParser.Package p = mPackages.get(pkgName); 3513 if (p != null && p.mExtras != null) { 3514 final PackageSetting ps = (PackageSetting) p.mExtras; 3515 final PermissionsState permissionsState = ps.getPermissionsState(); 3516 if (permissionsState.hasPermission(permName, userId)) { 3517 return PackageManager.PERMISSION_GRANTED; 3518 } 3519 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3520 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3521 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3522 return PackageManager.PERMISSION_GRANTED; 3523 } 3524 } 3525 } 3526 3527 return PackageManager.PERMISSION_DENIED; 3528 } 3529 3530 @Override 3531 public int checkUidPermission(String permName, int uid) { 3532 final int userId = UserHandle.getUserId(uid); 3533 3534 if (!sUserManager.exists(userId)) { 3535 return PackageManager.PERMISSION_DENIED; 3536 } 3537 3538 synchronized (mPackages) { 3539 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3540 if (obj != null) { 3541 final SettingBase ps = (SettingBase) obj; 3542 final PermissionsState permissionsState = ps.getPermissionsState(); 3543 if (permissionsState.hasPermission(permName, userId)) { 3544 return PackageManager.PERMISSION_GRANTED; 3545 } 3546 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3547 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3548 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3549 return PackageManager.PERMISSION_GRANTED; 3550 } 3551 } else { 3552 ArraySet<String> perms = mSystemPermissions.get(uid); 3553 if (perms != null) { 3554 if (perms.contains(permName)) { 3555 return PackageManager.PERMISSION_GRANTED; 3556 } 3557 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3558 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3559 return PackageManager.PERMISSION_GRANTED; 3560 } 3561 } 3562 } 3563 } 3564 3565 return PackageManager.PERMISSION_DENIED; 3566 } 3567 3568 @Override 3569 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3570 if (UserHandle.getCallingUserId() != userId) { 3571 mContext.enforceCallingPermission( 3572 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3573 "isPermissionRevokedByPolicy for user " + userId); 3574 } 3575 3576 if (checkPermission(permission, packageName, userId) 3577 == PackageManager.PERMISSION_GRANTED) { 3578 return false; 3579 } 3580 3581 final long identity = Binder.clearCallingIdentity(); 3582 try { 3583 final int flags = getPermissionFlags(permission, packageName, userId); 3584 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3585 } finally { 3586 Binder.restoreCallingIdentity(identity); 3587 } 3588 } 3589 3590 @Override 3591 public String getPermissionControllerPackageName() { 3592 synchronized (mPackages) { 3593 return mRequiredInstallerPackage; 3594 } 3595 } 3596 3597 /** 3598 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3599 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3600 * @param checkShell whether to prevent shell from access if there's a debugging restriction 3601 * @param message the message to log on security exception 3602 */ 3603 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3604 boolean checkShell, String message) { 3605 if (userId < 0) { 3606 throw new IllegalArgumentException("Invalid userId " + userId); 3607 } 3608 if (checkShell) { 3609 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3610 } 3611 if (userId == UserHandle.getUserId(callingUid)) return; 3612 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3613 if (requireFullPermission) { 3614 mContext.enforceCallingOrSelfPermission( 3615 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3616 } else { 3617 try { 3618 mContext.enforceCallingOrSelfPermission( 3619 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3620 } catch (SecurityException se) { 3621 mContext.enforceCallingOrSelfPermission( 3622 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3623 } 3624 } 3625 } 3626 } 3627 3628 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3629 if (callingUid == Process.SHELL_UID) { 3630 if (userHandle >= 0 3631 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3632 throw new SecurityException("Shell does not have permission to access user " 3633 + userHandle); 3634 } else if (userHandle < 0) { 3635 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3636 + Debug.getCallers(3)); 3637 } 3638 } 3639 } 3640 3641 private BasePermission findPermissionTreeLP(String permName) { 3642 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3643 if (permName.startsWith(bp.name) && 3644 permName.length() > bp.name.length() && 3645 permName.charAt(bp.name.length()) == '.') { 3646 return bp; 3647 } 3648 } 3649 return null; 3650 } 3651 3652 private BasePermission checkPermissionTreeLP(String permName) { 3653 if (permName != null) { 3654 BasePermission bp = findPermissionTreeLP(permName); 3655 if (bp != null) { 3656 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3657 return bp; 3658 } 3659 throw new SecurityException("Calling uid " 3660 + Binder.getCallingUid() 3661 + " is not allowed to add to permission tree " 3662 + bp.name + " owned by uid " + bp.uid); 3663 } 3664 } 3665 throw new SecurityException("No permission tree found for " + permName); 3666 } 3667 3668 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3669 if (s1 == null) { 3670 return s2 == null; 3671 } 3672 if (s2 == null) { 3673 return false; 3674 } 3675 if (s1.getClass() != s2.getClass()) { 3676 return false; 3677 } 3678 return s1.equals(s2); 3679 } 3680 3681 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3682 if (pi1.icon != pi2.icon) return false; 3683 if (pi1.logo != pi2.logo) return false; 3684 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3685 if (!compareStrings(pi1.name, pi2.name)) return false; 3686 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3687 // We'll take care of setting this one. 3688 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3689 // These are not currently stored in settings. 3690 //if (!compareStrings(pi1.group, pi2.group)) return false; 3691 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3692 //if (pi1.labelRes != pi2.labelRes) return false; 3693 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3694 return true; 3695 } 3696 3697 int permissionInfoFootprint(PermissionInfo info) { 3698 int size = info.name.length(); 3699 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3700 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3701 return size; 3702 } 3703 3704 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3705 int size = 0; 3706 for (BasePermission perm : mSettings.mPermissions.values()) { 3707 if (perm.uid == tree.uid) { 3708 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3709 } 3710 } 3711 return size; 3712 } 3713 3714 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3715 // We calculate the max size of permissions defined by this uid and throw 3716 // if that plus the size of 'info' would exceed our stated maximum. 3717 if (tree.uid != Process.SYSTEM_UID) { 3718 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3719 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3720 throw new SecurityException("Permission tree size cap exceeded"); 3721 } 3722 } 3723 } 3724 3725 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3726 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3727 throw new SecurityException("Label must be specified in permission"); 3728 } 3729 BasePermission tree = checkPermissionTreeLP(info.name); 3730 BasePermission bp = mSettings.mPermissions.get(info.name); 3731 boolean added = bp == null; 3732 boolean changed = true; 3733 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3734 if (added) { 3735 enforcePermissionCapLocked(info, tree); 3736 bp = new BasePermission(info.name, tree.sourcePackage, 3737 BasePermission.TYPE_DYNAMIC); 3738 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3739 throw new SecurityException( 3740 "Not allowed to modify non-dynamic permission " 3741 + info.name); 3742 } else { 3743 if (bp.protectionLevel == fixedLevel 3744 && bp.perm.owner.equals(tree.perm.owner) 3745 && bp.uid == tree.uid 3746 && comparePermissionInfos(bp.perm.info, info)) { 3747 changed = false; 3748 } 3749 } 3750 bp.protectionLevel = fixedLevel; 3751 info = new PermissionInfo(info); 3752 info.protectionLevel = fixedLevel; 3753 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3754 bp.perm.info.packageName = tree.perm.info.packageName; 3755 bp.uid = tree.uid; 3756 if (added) { 3757 mSettings.mPermissions.put(info.name, bp); 3758 } 3759 if (changed) { 3760 if (!async) { 3761 mSettings.writeLPr(); 3762 } else { 3763 scheduleWriteSettingsLocked(); 3764 } 3765 } 3766 return added; 3767 } 3768 3769 @Override 3770 public boolean addPermission(PermissionInfo info) { 3771 synchronized (mPackages) { 3772 return addPermissionLocked(info, false); 3773 } 3774 } 3775 3776 @Override 3777 public boolean addPermissionAsync(PermissionInfo info) { 3778 synchronized (mPackages) { 3779 return addPermissionLocked(info, true); 3780 } 3781 } 3782 3783 @Override 3784 public void removePermission(String name) { 3785 synchronized (mPackages) { 3786 checkPermissionTreeLP(name); 3787 BasePermission bp = mSettings.mPermissions.get(name); 3788 if (bp != null) { 3789 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3790 throw new SecurityException( 3791 "Not allowed to modify non-dynamic permission " 3792 + name); 3793 } 3794 mSettings.mPermissions.remove(name); 3795 mSettings.writeLPr(); 3796 } 3797 } 3798 } 3799 3800 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3801 BasePermission bp) { 3802 int index = pkg.requestedPermissions.indexOf(bp.name); 3803 if (index == -1) { 3804 throw new SecurityException("Package " + pkg.packageName 3805 + " has not requested permission " + bp.name); 3806 } 3807 if (!bp.isRuntime() && !bp.isDevelopment()) { 3808 throw new SecurityException("Permission " + bp.name 3809 + " is not a changeable permission type"); 3810 } 3811 } 3812 3813 @Override 3814 public void grantRuntimePermission(String packageName, String name, final int userId) { 3815 if (!sUserManager.exists(userId)) { 3816 Log.e(TAG, "No such user:" + userId); 3817 return; 3818 } 3819 3820 mContext.enforceCallingOrSelfPermission( 3821 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3822 "grantRuntimePermission"); 3823 3824 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3825 true /* requireFullPermission */, true /* checkShell */, 3826 "grantRuntimePermission"); 3827 3828 final int uid; 3829 final SettingBase sb; 3830 3831 synchronized (mPackages) { 3832 final PackageParser.Package pkg = mPackages.get(packageName); 3833 if (pkg == null) { 3834 throw new IllegalArgumentException("Unknown package: " + packageName); 3835 } 3836 3837 final BasePermission bp = mSettings.mPermissions.get(name); 3838 if (bp == null) { 3839 throw new IllegalArgumentException("Unknown permission: " + name); 3840 } 3841 3842 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3843 3844 // If a permission review is required for legacy apps we represent 3845 // their permissions as always granted runtime ones since we need 3846 // to keep the review required permission flag per user while an 3847 // install permission's state is shared across all users. 3848 if (Build.PERMISSIONS_REVIEW_REQUIRED 3849 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3850 && bp.isRuntime()) { 3851 return; 3852 } 3853 3854 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3855 sb = (SettingBase) pkg.mExtras; 3856 if (sb == null) { 3857 throw new IllegalArgumentException("Unknown package: " + packageName); 3858 } 3859 3860 final PermissionsState permissionsState = sb.getPermissionsState(); 3861 3862 final int flags = permissionsState.getPermissionFlags(name, userId); 3863 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3864 throw new SecurityException("Cannot grant system fixed permission " 3865 + name + " for package " + packageName); 3866 } 3867 3868 if (bp.isDevelopment()) { 3869 // Development permissions must be handled specially, since they are not 3870 // normal runtime permissions. For now they apply to all users. 3871 if (permissionsState.grantInstallPermission(bp) != 3872 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3873 scheduleWriteSettingsLocked(); 3874 } 3875 return; 3876 } 3877 3878 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3879 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3880 return; 3881 } 3882 3883 final int result = permissionsState.grantRuntimePermission(bp, userId); 3884 switch (result) { 3885 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3886 return; 3887 } 3888 3889 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3890 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3891 mHandler.post(new Runnable() { 3892 @Override 3893 public void run() { 3894 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3895 } 3896 }); 3897 } 3898 break; 3899 } 3900 3901 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3902 3903 // Not critical if that is lost - app has to request again. 3904 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3905 } 3906 3907 // Only need to do this if user is initialized. Otherwise it's a new user 3908 // and there are no processes running as the user yet and there's no need 3909 // to make an expensive call to remount processes for the changed permissions. 3910 if (READ_EXTERNAL_STORAGE.equals(name) 3911 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3912 final long token = Binder.clearCallingIdentity(); 3913 try { 3914 if (sUserManager.isInitialized(userId)) { 3915 MountServiceInternal mountServiceInternal = LocalServices.getService( 3916 MountServiceInternal.class); 3917 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3918 } 3919 } finally { 3920 Binder.restoreCallingIdentity(token); 3921 } 3922 } 3923 } 3924 3925 @Override 3926 public void revokeRuntimePermission(String packageName, String name, int userId) { 3927 if (!sUserManager.exists(userId)) { 3928 Log.e(TAG, "No such user:" + userId); 3929 return; 3930 } 3931 3932 mContext.enforceCallingOrSelfPermission( 3933 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3934 "revokeRuntimePermission"); 3935 3936 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3937 true /* requireFullPermission */, true /* checkShell */, 3938 "revokeRuntimePermission"); 3939 3940 final int appId; 3941 3942 synchronized (mPackages) { 3943 final PackageParser.Package pkg = mPackages.get(packageName); 3944 if (pkg == null) { 3945 throw new IllegalArgumentException("Unknown package: " + packageName); 3946 } 3947 3948 final BasePermission bp = mSettings.mPermissions.get(name); 3949 if (bp == null) { 3950 throw new IllegalArgumentException("Unknown permission: " + name); 3951 } 3952 3953 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3954 3955 // If a permission review is required for legacy apps we represent 3956 // their permissions as always granted runtime ones since we need 3957 // to keep the review required permission flag per user while an 3958 // install permission's state is shared across all users. 3959 if (Build.PERMISSIONS_REVIEW_REQUIRED 3960 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3961 && bp.isRuntime()) { 3962 return; 3963 } 3964 3965 SettingBase sb = (SettingBase) pkg.mExtras; 3966 if (sb == null) { 3967 throw new IllegalArgumentException("Unknown package: " + packageName); 3968 } 3969 3970 final PermissionsState permissionsState = sb.getPermissionsState(); 3971 3972 final int flags = permissionsState.getPermissionFlags(name, userId); 3973 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3974 throw new SecurityException("Cannot revoke system fixed permission " 3975 + name + " for package " + packageName); 3976 } 3977 3978 if (bp.isDevelopment()) { 3979 // Development permissions must be handled specially, since they are not 3980 // normal runtime permissions. For now they apply to all users. 3981 if (permissionsState.revokeInstallPermission(bp) != 3982 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3983 scheduleWriteSettingsLocked(); 3984 } 3985 return; 3986 } 3987 3988 if (permissionsState.revokeRuntimePermission(bp, userId) == 3989 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3990 return; 3991 } 3992 3993 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3994 3995 // Critical, after this call app should never have the permission. 3996 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3997 3998 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3999 } 4000 4001 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4002 } 4003 4004 @Override 4005 public void resetRuntimePermissions() { 4006 mContext.enforceCallingOrSelfPermission( 4007 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4008 "revokeRuntimePermission"); 4009 4010 int callingUid = Binder.getCallingUid(); 4011 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4012 mContext.enforceCallingOrSelfPermission( 4013 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4014 "resetRuntimePermissions"); 4015 } 4016 4017 synchronized (mPackages) { 4018 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 4019 for (int userId : UserManagerService.getInstance().getUserIds()) { 4020 final int packageCount = mPackages.size(); 4021 for (int i = 0; i < packageCount; i++) { 4022 PackageParser.Package pkg = mPackages.valueAt(i); 4023 if (!(pkg.mExtras instanceof PackageSetting)) { 4024 continue; 4025 } 4026 PackageSetting ps = (PackageSetting) pkg.mExtras; 4027 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 4028 } 4029 } 4030 } 4031 } 4032 4033 @Override 4034 public int getPermissionFlags(String name, String packageName, int userId) { 4035 if (!sUserManager.exists(userId)) { 4036 return 0; 4037 } 4038 4039 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 4040 4041 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4042 true /* requireFullPermission */, false /* checkShell */, 4043 "getPermissionFlags"); 4044 4045 synchronized (mPackages) { 4046 final PackageParser.Package pkg = mPackages.get(packageName); 4047 if (pkg == null) { 4048 throw new IllegalArgumentException("Unknown package: " + packageName); 4049 } 4050 4051 final BasePermission bp = mSettings.mPermissions.get(name); 4052 if (bp == null) { 4053 throw new IllegalArgumentException("Unknown permission: " + name); 4054 } 4055 4056 SettingBase sb = (SettingBase) pkg.mExtras; 4057 if (sb == null) { 4058 throw new IllegalArgumentException("Unknown package: " + packageName); 4059 } 4060 4061 PermissionsState permissionsState = sb.getPermissionsState(); 4062 return permissionsState.getPermissionFlags(name, userId); 4063 } 4064 } 4065 4066 @Override 4067 public void updatePermissionFlags(String name, String packageName, int flagMask, 4068 int flagValues, int userId) { 4069 if (!sUserManager.exists(userId)) { 4070 return; 4071 } 4072 4073 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 4074 4075 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4076 true /* requireFullPermission */, true /* checkShell */, 4077 "updatePermissionFlags"); 4078 4079 // Only the system can change these flags and nothing else. 4080 if (getCallingUid() != Process.SYSTEM_UID) { 4081 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4082 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4083 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4084 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 4085 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 4086 } 4087 4088 synchronized (mPackages) { 4089 final PackageParser.Package pkg = mPackages.get(packageName); 4090 if (pkg == null) { 4091 throw new IllegalArgumentException("Unknown package: " + packageName); 4092 } 4093 4094 final BasePermission bp = mSettings.mPermissions.get(name); 4095 if (bp == null) { 4096 throw new IllegalArgumentException("Unknown permission: " + name); 4097 } 4098 4099 SettingBase sb = (SettingBase) pkg.mExtras; 4100 if (sb == null) { 4101 throw new IllegalArgumentException("Unknown package: " + packageName); 4102 } 4103 4104 PermissionsState permissionsState = sb.getPermissionsState(); 4105 4106 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 4107 4108 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 4109 // Install and runtime permissions are stored in different places, 4110 // so figure out what permission changed and persist the change. 4111 if (permissionsState.getInstallPermissionState(name) != null) { 4112 scheduleWriteSettingsLocked(); 4113 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 4114 || hadState) { 4115 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4116 } 4117 } 4118 } 4119 } 4120 4121 /** 4122 * Update the permission flags for all packages and runtime permissions of a user in order 4123 * to allow device or profile owner to remove POLICY_FIXED. 4124 */ 4125 @Override 4126 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4127 if (!sUserManager.exists(userId)) { 4128 return; 4129 } 4130 4131 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4132 4133 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4134 true /* requireFullPermission */, true /* checkShell */, 4135 "updatePermissionFlagsForAllApps"); 4136 4137 // Only the system can change system fixed flags. 4138 if (getCallingUid() != Process.SYSTEM_UID) { 4139 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4140 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4141 } 4142 4143 synchronized (mPackages) { 4144 boolean changed = false; 4145 final int packageCount = mPackages.size(); 4146 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4147 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4148 SettingBase sb = (SettingBase) pkg.mExtras; 4149 if (sb == null) { 4150 continue; 4151 } 4152 PermissionsState permissionsState = sb.getPermissionsState(); 4153 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4154 userId, flagMask, flagValues); 4155 } 4156 if (changed) { 4157 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4158 } 4159 } 4160 } 4161 4162 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4163 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4164 != PackageManager.PERMISSION_GRANTED 4165 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4166 != PackageManager.PERMISSION_GRANTED) { 4167 throw new SecurityException(message + " requires " 4168 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4169 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4170 } 4171 } 4172 4173 @Override 4174 public boolean shouldShowRequestPermissionRationale(String permissionName, 4175 String packageName, int userId) { 4176 if (UserHandle.getCallingUserId() != userId) { 4177 mContext.enforceCallingPermission( 4178 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4179 "canShowRequestPermissionRationale for user " + userId); 4180 } 4181 4182 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4183 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4184 return false; 4185 } 4186 4187 if (checkPermission(permissionName, packageName, userId) 4188 == PackageManager.PERMISSION_GRANTED) { 4189 return false; 4190 } 4191 4192 final int flags; 4193 4194 final long identity = Binder.clearCallingIdentity(); 4195 try { 4196 flags = getPermissionFlags(permissionName, 4197 packageName, userId); 4198 } finally { 4199 Binder.restoreCallingIdentity(identity); 4200 } 4201 4202 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4203 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4204 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4205 4206 if ((flags & fixedFlags) != 0) { 4207 return false; 4208 } 4209 4210 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4211 } 4212 4213 @Override 4214 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4215 mContext.enforceCallingOrSelfPermission( 4216 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4217 "addOnPermissionsChangeListener"); 4218 4219 synchronized (mPackages) { 4220 mOnPermissionChangeListeners.addListenerLocked(listener); 4221 } 4222 } 4223 4224 @Override 4225 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4226 synchronized (mPackages) { 4227 mOnPermissionChangeListeners.removeListenerLocked(listener); 4228 } 4229 } 4230 4231 @Override 4232 public boolean isProtectedBroadcast(String actionName) { 4233 synchronized (mPackages) { 4234 if (mProtectedBroadcasts.contains(actionName)) { 4235 return true; 4236 } else if (actionName != null) { 4237 // TODO: remove these terrible hacks 4238 if (actionName.startsWith("android.net.netmon.lingerExpired") 4239 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 4240 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 4241 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 4242 return true; 4243 } 4244 } 4245 } 4246 return false; 4247 } 4248 4249 @Override 4250 public int checkSignatures(String pkg1, String pkg2) { 4251 synchronized (mPackages) { 4252 final PackageParser.Package p1 = mPackages.get(pkg1); 4253 final PackageParser.Package p2 = mPackages.get(pkg2); 4254 if (p1 == null || p1.mExtras == null 4255 || p2 == null || p2.mExtras == null) { 4256 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4257 } 4258 return compareSignatures(p1.mSignatures, p2.mSignatures); 4259 } 4260 } 4261 4262 @Override 4263 public int checkUidSignatures(int uid1, int uid2) { 4264 // Map to base uids. 4265 uid1 = UserHandle.getAppId(uid1); 4266 uid2 = UserHandle.getAppId(uid2); 4267 // reader 4268 synchronized (mPackages) { 4269 Signature[] s1; 4270 Signature[] s2; 4271 Object obj = mSettings.getUserIdLPr(uid1); 4272 if (obj != null) { 4273 if (obj instanceof SharedUserSetting) { 4274 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4275 } else if (obj instanceof PackageSetting) { 4276 s1 = ((PackageSetting)obj).signatures.mSignatures; 4277 } else { 4278 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4279 } 4280 } else { 4281 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4282 } 4283 obj = mSettings.getUserIdLPr(uid2); 4284 if (obj != null) { 4285 if (obj instanceof SharedUserSetting) { 4286 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4287 } else if (obj instanceof PackageSetting) { 4288 s2 = ((PackageSetting)obj).signatures.mSignatures; 4289 } else { 4290 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4291 } 4292 } else { 4293 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4294 } 4295 return compareSignatures(s1, s2); 4296 } 4297 } 4298 4299 private void killUid(int appId, int userId, String reason) { 4300 final long identity = Binder.clearCallingIdentity(); 4301 try { 4302 IActivityManager am = ActivityManagerNative.getDefault(); 4303 if (am != null) { 4304 try { 4305 am.killUid(appId, userId, reason); 4306 } catch (RemoteException e) { 4307 /* ignore - same process */ 4308 } 4309 } 4310 } finally { 4311 Binder.restoreCallingIdentity(identity); 4312 } 4313 } 4314 4315 /** 4316 * Compares two sets of signatures. Returns: 4317 * <br /> 4318 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4319 * <br /> 4320 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4321 * <br /> 4322 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4323 * <br /> 4324 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4325 * <br /> 4326 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4327 */ 4328 static int compareSignatures(Signature[] s1, Signature[] s2) { 4329 if (s1 == null) { 4330 return s2 == null 4331 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4332 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4333 } 4334 4335 if (s2 == null) { 4336 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4337 } 4338 4339 if (s1.length != s2.length) { 4340 return PackageManager.SIGNATURE_NO_MATCH; 4341 } 4342 4343 // Since both signature sets are of size 1, we can compare without HashSets. 4344 if (s1.length == 1) { 4345 return s1[0].equals(s2[0]) ? 4346 PackageManager.SIGNATURE_MATCH : 4347 PackageManager.SIGNATURE_NO_MATCH; 4348 } 4349 4350 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4351 for (Signature sig : s1) { 4352 set1.add(sig); 4353 } 4354 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4355 for (Signature sig : s2) { 4356 set2.add(sig); 4357 } 4358 // Make sure s2 contains all signatures in s1. 4359 if (set1.equals(set2)) { 4360 return PackageManager.SIGNATURE_MATCH; 4361 } 4362 return PackageManager.SIGNATURE_NO_MATCH; 4363 } 4364 4365 /** 4366 * If the database version for this type of package (internal storage or 4367 * external storage) is less than the version where package signatures 4368 * were updated, return true. 4369 */ 4370 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4371 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4372 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4373 } 4374 4375 /** 4376 * Used for backward compatibility to make sure any packages with 4377 * certificate chains get upgraded to the new style. {@code existingSigs} 4378 * will be in the old format (since they were stored on disk from before the 4379 * system upgrade) and {@code scannedSigs} will be in the newer format. 4380 */ 4381 private int compareSignaturesCompat(PackageSignatures existingSigs, 4382 PackageParser.Package scannedPkg) { 4383 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4384 return PackageManager.SIGNATURE_NO_MATCH; 4385 } 4386 4387 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4388 for (Signature sig : existingSigs.mSignatures) { 4389 existingSet.add(sig); 4390 } 4391 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4392 for (Signature sig : scannedPkg.mSignatures) { 4393 try { 4394 Signature[] chainSignatures = sig.getChainSignatures(); 4395 for (Signature chainSig : chainSignatures) { 4396 scannedCompatSet.add(chainSig); 4397 } 4398 } catch (CertificateEncodingException e) { 4399 scannedCompatSet.add(sig); 4400 } 4401 } 4402 /* 4403 * Make sure the expanded scanned set contains all signatures in the 4404 * existing one. 4405 */ 4406 if (scannedCompatSet.equals(existingSet)) { 4407 // Migrate the old signatures to the new scheme. 4408 existingSigs.assignSignatures(scannedPkg.mSignatures); 4409 // The new KeySets will be re-added later in the scanning process. 4410 synchronized (mPackages) { 4411 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4412 } 4413 return PackageManager.SIGNATURE_MATCH; 4414 } 4415 return PackageManager.SIGNATURE_NO_MATCH; 4416 } 4417 4418 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4419 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4420 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4421 } 4422 4423 private int compareSignaturesRecover(PackageSignatures existingSigs, 4424 PackageParser.Package scannedPkg) { 4425 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4426 return PackageManager.SIGNATURE_NO_MATCH; 4427 } 4428 4429 String msg = null; 4430 try { 4431 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4432 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4433 + scannedPkg.packageName); 4434 return PackageManager.SIGNATURE_MATCH; 4435 } 4436 } catch (CertificateException e) { 4437 msg = e.getMessage(); 4438 } 4439 4440 logCriticalInfo(Log.INFO, 4441 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4442 return PackageManager.SIGNATURE_NO_MATCH; 4443 } 4444 4445 @Override 4446 public List<String> getAllPackages() { 4447 synchronized (mPackages) { 4448 return new ArrayList<String>(mPackages.keySet()); 4449 } 4450 } 4451 4452 @Override 4453 public String[] getPackagesForUid(int uid) { 4454 uid = UserHandle.getAppId(uid); 4455 // reader 4456 synchronized (mPackages) { 4457 Object obj = mSettings.getUserIdLPr(uid); 4458 if (obj instanceof SharedUserSetting) { 4459 final SharedUserSetting sus = (SharedUserSetting) obj; 4460 final int N = sus.packages.size(); 4461 final String[] res = new String[N]; 4462 final Iterator<PackageSetting> it = sus.packages.iterator(); 4463 int i = 0; 4464 while (it.hasNext()) { 4465 res[i++] = it.next().name; 4466 } 4467 return res; 4468 } else if (obj instanceof PackageSetting) { 4469 final PackageSetting ps = (PackageSetting) obj; 4470 return new String[] { ps.name }; 4471 } 4472 } 4473 return null; 4474 } 4475 4476 @Override 4477 public String getNameForUid(int uid) { 4478 // reader 4479 synchronized (mPackages) { 4480 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4481 if (obj instanceof SharedUserSetting) { 4482 final SharedUserSetting sus = (SharedUserSetting) obj; 4483 return sus.name + ":" + sus.userId; 4484 } else if (obj instanceof PackageSetting) { 4485 final PackageSetting ps = (PackageSetting) obj; 4486 return ps.name; 4487 } 4488 } 4489 return null; 4490 } 4491 4492 @Override 4493 public int getUidForSharedUser(String sharedUserName) { 4494 if(sharedUserName == null) { 4495 return -1; 4496 } 4497 // reader 4498 synchronized (mPackages) { 4499 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4500 if (suid == null) { 4501 return -1; 4502 } 4503 return suid.userId; 4504 } 4505 } 4506 4507 @Override 4508 public int getFlagsForUid(int uid) { 4509 synchronized (mPackages) { 4510 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4511 if (obj instanceof SharedUserSetting) { 4512 final SharedUserSetting sus = (SharedUserSetting) obj; 4513 return sus.pkgFlags; 4514 } else if (obj instanceof PackageSetting) { 4515 final PackageSetting ps = (PackageSetting) obj; 4516 return ps.pkgFlags; 4517 } 4518 } 4519 return 0; 4520 } 4521 4522 @Override 4523 public int getPrivateFlagsForUid(int uid) { 4524 synchronized (mPackages) { 4525 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4526 if (obj instanceof SharedUserSetting) { 4527 final SharedUserSetting sus = (SharedUserSetting) obj; 4528 return sus.pkgPrivateFlags; 4529 } else if (obj instanceof PackageSetting) { 4530 final PackageSetting ps = (PackageSetting) obj; 4531 return ps.pkgPrivateFlags; 4532 } 4533 } 4534 return 0; 4535 } 4536 4537 @Override 4538 public boolean isUidPrivileged(int uid) { 4539 uid = UserHandle.getAppId(uid); 4540 // reader 4541 synchronized (mPackages) { 4542 Object obj = mSettings.getUserIdLPr(uid); 4543 if (obj instanceof SharedUserSetting) { 4544 final SharedUserSetting sus = (SharedUserSetting) obj; 4545 final Iterator<PackageSetting> it = sus.packages.iterator(); 4546 while (it.hasNext()) { 4547 if (it.next().isPrivileged()) { 4548 return true; 4549 } 4550 } 4551 } else if (obj instanceof PackageSetting) { 4552 final PackageSetting ps = (PackageSetting) obj; 4553 return ps.isPrivileged(); 4554 } 4555 } 4556 return false; 4557 } 4558 4559 @Override 4560 public String[] getAppOpPermissionPackages(String permissionName) { 4561 synchronized (mPackages) { 4562 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4563 if (pkgs == null) { 4564 return null; 4565 } 4566 return pkgs.toArray(new String[pkgs.size()]); 4567 } 4568 } 4569 4570 @Override 4571 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4572 int flags, int userId) { 4573 if (!sUserManager.exists(userId)) return null; 4574 flags = updateFlagsForResolve(flags, userId, intent); 4575 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4576 false /* requireFullPermission */, false /* checkShell */, "resolve intent"); 4577 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4578 userId); 4579 final ResolveInfo bestChoice = 4580 chooseBestActivity(intent, resolvedType, flags, query, userId); 4581 4582 if (isEphemeralAllowed(intent, query, userId)) { 4583 final EphemeralResolveInfo ai = 4584 getEphemeralResolveInfo(intent, resolvedType, userId); 4585 if (ai != null) { 4586 if (DEBUG_EPHEMERAL) { 4587 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4588 } 4589 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4590 bestChoice.ephemeralResolveInfo = ai; 4591 } 4592 } 4593 return bestChoice; 4594 } 4595 4596 @Override 4597 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4598 IntentFilter filter, int match, ComponentName activity) { 4599 final int userId = UserHandle.getCallingUserId(); 4600 if (DEBUG_PREFERRED) { 4601 Log.v(TAG, "setLastChosenActivity intent=" + intent 4602 + " resolvedType=" + resolvedType 4603 + " flags=" + flags 4604 + " filter=" + filter 4605 + " match=" + match 4606 + " activity=" + activity); 4607 filter.dump(new PrintStreamPrinter(System.out), " "); 4608 } 4609 intent.setComponent(null); 4610 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4611 userId); 4612 // Find any earlier preferred or last chosen entries and nuke them 4613 findPreferredActivity(intent, resolvedType, 4614 flags, query, 0, false, true, false, userId); 4615 // Add the new activity as the last chosen for this filter 4616 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4617 "Setting last chosen"); 4618 } 4619 4620 @Override 4621 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4622 final int userId = UserHandle.getCallingUserId(); 4623 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4624 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 4625 userId); 4626 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4627 false, false, false, userId); 4628 } 4629 4630 4631 private boolean isEphemeralAllowed( 4632 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4633 // Short circuit and return early if possible. 4634 if (DISABLE_EPHEMERAL_APPS) { 4635 return false; 4636 } 4637 final int callingUser = UserHandle.getCallingUserId(); 4638 if (callingUser != UserHandle.USER_SYSTEM) { 4639 return false; 4640 } 4641 if (mEphemeralResolverConnection == null) { 4642 return false; 4643 } 4644 if (intent.getComponent() != null) { 4645 return false; 4646 } 4647 if (intent.getPackage() != null) { 4648 return false; 4649 } 4650 final boolean isWebUri = hasWebURI(intent); 4651 if (!isWebUri) { 4652 return false; 4653 } 4654 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4655 synchronized (mPackages) { 4656 final int count = resolvedActivites.size(); 4657 for (int n = 0; n < count; n++) { 4658 ResolveInfo info = resolvedActivites.get(n); 4659 String packageName = info.activityInfo.packageName; 4660 PackageSetting ps = mSettings.mPackages.get(packageName); 4661 if (ps != null) { 4662 // Try to get the status from User settings first 4663 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4664 int status = (int) (packedStatus >> 32); 4665 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4666 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4667 if (DEBUG_EPHEMERAL) { 4668 Slog.v(TAG, "DENY ephemeral apps;" 4669 + " pkg: " + packageName + ", status: " + status); 4670 } 4671 return false; 4672 } 4673 } 4674 } 4675 } 4676 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4677 return true; 4678 } 4679 4680 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4681 int userId) { 4682 MessageDigest digest = null; 4683 try { 4684 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4685 } catch (NoSuchAlgorithmException e) { 4686 // If we can't create a digest, ignore ephemeral apps. 4687 return null; 4688 } 4689 4690 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4691 final byte[] digestBytes = digest.digest(hostBytes); 4692 int shaPrefix = 4693 digestBytes[0] << 24 4694 | digestBytes[1] << 16 4695 | digestBytes[2] << 8 4696 | digestBytes[3] << 0; 4697 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4698 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4699 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4700 // No hash prefix match; there are no ephemeral apps for this domain. 4701 return null; 4702 } 4703 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4704 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4705 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4706 continue; 4707 } 4708 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4709 // No filters; this should never happen. 4710 if (filters.isEmpty()) { 4711 continue; 4712 } 4713 // We have a domain match; resolve the filters to see if anything matches. 4714 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4715 for (int j = filters.size() - 1; j >= 0; --j) { 4716 final EphemeralResolveIntentInfo intentInfo = 4717 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4718 ephemeralResolver.addFilter(intentInfo); 4719 } 4720 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4721 intent, resolvedType, false /*defaultOnly*/, userId); 4722 if (!matchedResolveInfoList.isEmpty()) { 4723 return matchedResolveInfoList.get(0); 4724 } 4725 } 4726 // Hash or filter mis-match; no ephemeral apps for this domain. 4727 return null; 4728 } 4729 4730 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4731 int flags, List<ResolveInfo> query, int userId) { 4732 if (query != null) { 4733 final int N = query.size(); 4734 if (N == 1) { 4735 return query.get(0); 4736 } else if (N > 1) { 4737 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4738 // If there is more than one activity with the same priority, 4739 // then let the user decide between them. 4740 ResolveInfo r0 = query.get(0); 4741 ResolveInfo r1 = query.get(1); 4742 if (DEBUG_INTENT_MATCHING || debug) { 4743 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4744 + r1.activityInfo.name + "=" + r1.priority); 4745 } 4746 // If the first activity has a higher priority, or a different 4747 // default, then it is always desirable to pick it. 4748 if (r0.priority != r1.priority 4749 || r0.preferredOrder != r1.preferredOrder 4750 || r0.isDefault != r1.isDefault) { 4751 return query.get(0); 4752 } 4753 // If we have saved a preference for a preferred activity for 4754 // this Intent, use that. 4755 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4756 flags, query, r0.priority, true, false, debug, userId); 4757 if (ri != null) { 4758 return ri; 4759 } 4760 ri = new ResolveInfo(mResolveInfo); 4761 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4762 ri.activityInfo.applicationInfo = new ApplicationInfo( 4763 ri.activityInfo.applicationInfo); 4764 if (userId != 0) { 4765 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4766 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4767 } 4768 // Make sure that the resolver is displayable in car mode 4769 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4770 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4771 return ri; 4772 } 4773 } 4774 return null; 4775 } 4776 4777 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4778 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4779 final int N = query.size(); 4780 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4781 .get(userId); 4782 // Get the list of persistent preferred activities that handle the intent 4783 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4784 List<PersistentPreferredActivity> pprefs = ppir != null 4785 ? ppir.queryIntent(intent, resolvedType, 4786 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4787 : null; 4788 if (pprefs != null && pprefs.size() > 0) { 4789 final int M = pprefs.size(); 4790 for (int i=0; i<M; i++) { 4791 final PersistentPreferredActivity ppa = pprefs.get(i); 4792 if (DEBUG_PREFERRED || debug) { 4793 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4794 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4795 + "\n component=" + ppa.mComponent); 4796 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4797 } 4798 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4799 flags | MATCH_DISABLED_COMPONENTS, userId); 4800 if (DEBUG_PREFERRED || debug) { 4801 Slog.v(TAG, "Found persistent preferred activity:"); 4802 if (ai != null) { 4803 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4804 } else { 4805 Slog.v(TAG, " null"); 4806 } 4807 } 4808 if (ai == null) { 4809 // This previously registered persistent preferred activity 4810 // component is no longer known. Ignore it and do NOT remove it. 4811 continue; 4812 } 4813 for (int j=0; j<N; j++) { 4814 final ResolveInfo ri = query.get(j); 4815 if (!ri.activityInfo.applicationInfo.packageName 4816 .equals(ai.applicationInfo.packageName)) { 4817 continue; 4818 } 4819 if (!ri.activityInfo.name.equals(ai.name)) { 4820 continue; 4821 } 4822 // Found a persistent preference that can handle the intent. 4823 if (DEBUG_PREFERRED || debug) { 4824 Slog.v(TAG, "Returning persistent preferred activity: " + 4825 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4826 } 4827 return ri; 4828 } 4829 } 4830 } 4831 return null; 4832 } 4833 4834 // TODO: handle preferred activities missing while user has amnesia 4835 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4836 List<ResolveInfo> query, int priority, boolean always, 4837 boolean removeMatches, boolean debug, int userId) { 4838 if (!sUserManager.exists(userId)) return null; 4839 flags = updateFlagsForResolve(flags, userId, intent); 4840 // writer 4841 synchronized (mPackages) { 4842 if (intent.getSelector() != null) { 4843 intent = intent.getSelector(); 4844 } 4845 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4846 4847 // Try to find a matching persistent preferred activity. 4848 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4849 debug, userId); 4850 4851 // If a persistent preferred activity matched, use it. 4852 if (pri != null) { 4853 return pri; 4854 } 4855 4856 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4857 // Get the list of preferred activities that handle the intent 4858 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4859 List<PreferredActivity> prefs = pir != null 4860 ? pir.queryIntent(intent, resolvedType, 4861 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4862 : null; 4863 if (prefs != null && prefs.size() > 0) { 4864 boolean changed = false; 4865 try { 4866 // First figure out how good the original match set is. 4867 // We will only allow preferred activities that came 4868 // from the same match quality. 4869 int match = 0; 4870 4871 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4872 4873 final int N = query.size(); 4874 for (int j=0; j<N; j++) { 4875 final ResolveInfo ri = query.get(j); 4876 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4877 + ": 0x" + Integer.toHexString(match)); 4878 if (ri.match > match) { 4879 match = ri.match; 4880 } 4881 } 4882 4883 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4884 + Integer.toHexString(match)); 4885 4886 match &= IntentFilter.MATCH_CATEGORY_MASK; 4887 final int M = prefs.size(); 4888 for (int i=0; i<M; i++) { 4889 final PreferredActivity pa = prefs.get(i); 4890 if (DEBUG_PREFERRED || debug) { 4891 Slog.v(TAG, "Checking PreferredActivity ds=" 4892 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4893 + "\n component=" + pa.mPref.mComponent); 4894 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4895 } 4896 if (pa.mPref.mMatch != match) { 4897 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4898 + Integer.toHexString(pa.mPref.mMatch)); 4899 continue; 4900 } 4901 // If it's not an "always" type preferred activity and that's what we're 4902 // looking for, skip it. 4903 if (always && !pa.mPref.mAlways) { 4904 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4905 continue; 4906 } 4907 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4908 flags | MATCH_DISABLED_COMPONENTS, userId); 4909 if (DEBUG_PREFERRED || debug) { 4910 Slog.v(TAG, "Found preferred activity:"); 4911 if (ai != null) { 4912 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4913 } else { 4914 Slog.v(TAG, " null"); 4915 } 4916 } 4917 if (ai == null) { 4918 // This previously registered preferred activity 4919 // component is no longer known. Most likely an update 4920 // to the app was installed and in the new version this 4921 // component no longer exists. Clean it up by removing 4922 // it from the preferred activities list, and skip it. 4923 Slog.w(TAG, "Removing dangling preferred activity: " 4924 + pa.mPref.mComponent); 4925 pir.removeFilter(pa); 4926 changed = true; 4927 continue; 4928 } 4929 for (int j=0; j<N; j++) { 4930 final ResolveInfo ri = query.get(j); 4931 if (!ri.activityInfo.applicationInfo.packageName 4932 .equals(ai.applicationInfo.packageName)) { 4933 continue; 4934 } 4935 if (!ri.activityInfo.name.equals(ai.name)) { 4936 continue; 4937 } 4938 4939 if (removeMatches) { 4940 pir.removeFilter(pa); 4941 changed = true; 4942 if (DEBUG_PREFERRED) { 4943 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4944 } 4945 break; 4946 } 4947 4948 // Okay we found a previously set preferred or last chosen app. 4949 // If the result set is different from when this 4950 // was created, we need to clear it and re-ask the 4951 // user their preference, if we're looking for an "always" type entry. 4952 if (always && !pa.mPref.sameSet(query)) { 4953 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4954 + intent + " type " + resolvedType); 4955 if (DEBUG_PREFERRED) { 4956 Slog.v(TAG, "Removing preferred activity since set changed " 4957 + pa.mPref.mComponent); 4958 } 4959 pir.removeFilter(pa); 4960 // Re-add the filter as a "last chosen" entry (!always) 4961 PreferredActivity lastChosen = new PreferredActivity( 4962 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4963 pir.addFilter(lastChosen); 4964 changed = true; 4965 return null; 4966 } 4967 4968 // Yay! Either the set matched or we're looking for the last chosen 4969 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4970 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4971 return ri; 4972 } 4973 } 4974 } finally { 4975 if (changed) { 4976 if (DEBUG_PREFERRED) { 4977 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4978 } 4979 scheduleWritePackageRestrictionsLocked(userId); 4980 } 4981 } 4982 } 4983 } 4984 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4985 return null; 4986 } 4987 4988 /* 4989 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4990 */ 4991 @Override 4992 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4993 int targetUserId) { 4994 mContext.enforceCallingOrSelfPermission( 4995 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4996 List<CrossProfileIntentFilter> matches = 4997 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4998 if (matches != null) { 4999 int size = matches.size(); 5000 for (int i = 0; i < size; i++) { 5001 if (matches.get(i).getTargetUserId() == targetUserId) return true; 5002 } 5003 } 5004 if (hasWebURI(intent)) { 5005 // cross-profile app linking works only towards the parent. 5006 final UserInfo parent = getProfileParent(sourceUserId); 5007 synchronized(mPackages) { 5008 int flags = updateFlagsForResolve(0, parent.id, intent); 5009 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 5010 intent, resolvedType, flags, sourceUserId, parent.id); 5011 return xpDomainInfo != null; 5012 } 5013 } 5014 return false; 5015 } 5016 5017 private UserInfo getProfileParent(int userId) { 5018 final long identity = Binder.clearCallingIdentity(); 5019 try { 5020 return sUserManager.getProfileParent(userId); 5021 } finally { 5022 Binder.restoreCallingIdentity(identity); 5023 } 5024 } 5025 5026 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 5027 String resolvedType, int userId) { 5028 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 5029 if (resolver != null) { 5030 return resolver.queryIntent(intent, resolvedType, false, userId); 5031 } 5032 return null; 5033 } 5034 5035 @Override 5036 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 5037 String resolvedType, int flags, int userId) { 5038 return new ParceledListSlice<>( 5039 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 5040 } 5041 5042 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 5043 String resolvedType, int flags, int userId) { 5044 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5045 flags = updateFlagsForResolve(flags, userId, intent); 5046 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5047 false /* requireFullPermission */, false /* checkShell */, 5048 "query intent activities"); 5049 ComponentName comp = intent.getComponent(); 5050 if (comp == null) { 5051 if (intent.getSelector() != null) { 5052 intent = intent.getSelector(); 5053 comp = intent.getComponent(); 5054 } 5055 } 5056 5057 if (comp != null) { 5058 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5059 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 5060 if (ai != null) { 5061 final ResolveInfo ri = new ResolveInfo(); 5062 ri.activityInfo = ai; 5063 list.add(ri); 5064 } 5065 return list; 5066 } 5067 5068 // reader 5069 synchronized (mPackages) { 5070 final String pkgName = intent.getPackage(); 5071 if (pkgName == null) { 5072 List<CrossProfileIntentFilter> matchingFilters = 5073 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 5074 // Check for results that need to skip the current profile. 5075 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 5076 resolvedType, flags, userId); 5077 if (xpResolveInfo != null) { 5078 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 5079 result.add(xpResolveInfo); 5080 return filterIfNotSystemUser(result, userId); 5081 } 5082 5083 // Check for results in the current profile. 5084 List<ResolveInfo> result = mActivities.queryIntent( 5085 intent, resolvedType, flags, userId); 5086 result = filterIfNotSystemUser(result, userId); 5087 5088 // Check for cross profile results. 5089 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 5090 xpResolveInfo = queryCrossProfileIntents( 5091 matchingFilters, intent, resolvedType, flags, userId, 5092 hasNonNegativePriorityResult); 5093 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 5094 boolean isVisibleToUser = filterIfNotSystemUser( 5095 Collections.singletonList(xpResolveInfo), userId).size() > 0; 5096 if (isVisibleToUser) { 5097 result.add(xpResolveInfo); 5098 Collections.sort(result, mResolvePrioritySorter); 5099 } 5100 } 5101 if (hasWebURI(intent)) { 5102 CrossProfileDomainInfo xpDomainInfo = null; 5103 final UserInfo parent = getProfileParent(userId); 5104 if (parent != null) { 5105 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 5106 flags, userId, parent.id); 5107 } 5108 if (xpDomainInfo != null) { 5109 if (xpResolveInfo != null) { 5110 // If we didn't remove it, the cross-profile ResolveInfo would be twice 5111 // in the result. 5112 result.remove(xpResolveInfo); 5113 } 5114 if (result.size() == 0) { 5115 result.add(xpDomainInfo.resolveInfo); 5116 return result; 5117 } 5118 } else if (result.size() <= 1) { 5119 return result; 5120 } 5121 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 5122 xpDomainInfo, userId); 5123 Collections.sort(result, mResolvePrioritySorter); 5124 } 5125 return result; 5126 } 5127 final PackageParser.Package pkg = mPackages.get(pkgName); 5128 if (pkg != null) { 5129 return filterIfNotSystemUser( 5130 mActivities.queryIntentForPackage( 5131 intent, resolvedType, flags, pkg.activities, userId), 5132 userId); 5133 } 5134 return new ArrayList<ResolveInfo>(); 5135 } 5136 } 5137 5138 private static class CrossProfileDomainInfo { 5139 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 5140 ResolveInfo resolveInfo; 5141 /* Best domain verification status of the activities found in the other profile */ 5142 int bestDomainVerificationStatus; 5143 } 5144 5145 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 5146 String resolvedType, int flags, int sourceUserId, int parentUserId) { 5147 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5148 sourceUserId)) { 5149 return null; 5150 } 5151 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5152 resolvedType, flags, parentUserId); 5153 5154 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5155 return null; 5156 } 5157 CrossProfileDomainInfo result = null; 5158 int size = resultTargetUser.size(); 5159 for (int i = 0; i < size; i++) { 5160 ResolveInfo riTargetUser = resultTargetUser.get(i); 5161 // Intent filter verification is only for filters that specify a host. So don't return 5162 // those that handle all web uris. 5163 if (riTargetUser.handleAllWebDataURI) { 5164 continue; 5165 } 5166 String packageName = riTargetUser.activityInfo.packageName; 5167 PackageSetting ps = mSettings.mPackages.get(packageName); 5168 if (ps == null) { 5169 continue; 5170 } 5171 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5172 int status = (int)(verificationState >> 32); 5173 if (result == null) { 5174 result = new CrossProfileDomainInfo(); 5175 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5176 sourceUserId, parentUserId); 5177 result.bestDomainVerificationStatus = status; 5178 } else { 5179 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5180 result.bestDomainVerificationStatus); 5181 } 5182 } 5183 // Don't consider matches with status NEVER across profiles. 5184 if (result != null && result.bestDomainVerificationStatus 5185 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5186 return null; 5187 } 5188 return result; 5189 } 5190 5191 /** 5192 * Verification statuses are ordered from the worse to the best, except for 5193 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5194 */ 5195 private int bestDomainVerificationStatus(int status1, int status2) { 5196 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5197 return status2; 5198 } 5199 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5200 return status1; 5201 } 5202 return (int) MathUtils.max(status1, status2); 5203 } 5204 5205 private boolean isUserEnabled(int userId) { 5206 long callingId = Binder.clearCallingIdentity(); 5207 try { 5208 UserInfo userInfo = sUserManager.getUserInfo(userId); 5209 return userInfo != null && userInfo.isEnabled(); 5210 } finally { 5211 Binder.restoreCallingIdentity(callingId); 5212 } 5213 } 5214 5215 /** 5216 * Filter out activities with systemUserOnly flag set, when current user is not System. 5217 * 5218 * @return filtered list 5219 */ 5220 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5221 if (userId == UserHandle.USER_SYSTEM) { 5222 return resolveInfos; 5223 } 5224 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5225 ResolveInfo info = resolveInfos.get(i); 5226 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5227 resolveInfos.remove(i); 5228 } 5229 } 5230 return resolveInfos; 5231 } 5232 5233 /** 5234 * @param resolveInfos list of resolve infos in descending priority order 5235 * @return if the list contains a resolve info with non-negative priority 5236 */ 5237 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5238 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5239 } 5240 5241 private static boolean hasWebURI(Intent intent) { 5242 if (intent.getData() == null) { 5243 return false; 5244 } 5245 final String scheme = intent.getScheme(); 5246 if (TextUtils.isEmpty(scheme)) { 5247 return false; 5248 } 5249 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5250 } 5251 5252 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5253 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5254 int userId) { 5255 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5256 5257 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5258 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5259 candidates.size()); 5260 } 5261 5262 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5263 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5264 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5265 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5266 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5267 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5268 5269 synchronized (mPackages) { 5270 final int count = candidates.size(); 5271 // First, try to use linked apps. Partition the candidates into four lists: 5272 // one for the final results, one for the "do not use ever", one for "undefined status" 5273 // and finally one for "browser app type". 5274 for (int n=0; n<count; n++) { 5275 ResolveInfo info = candidates.get(n); 5276 String packageName = info.activityInfo.packageName; 5277 PackageSetting ps = mSettings.mPackages.get(packageName); 5278 if (ps != null) { 5279 // Add to the special match all list (Browser use case) 5280 if (info.handleAllWebDataURI) { 5281 matchAllList.add(info); 5282 continue; 5283 } 5284 // Try to get the status from User settings first 5285 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5286 int status = (int)(packedStatus >> 32); 5287 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5288 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5289 if (DEBUG_DOMAIN_VERIFICATION) { 5290 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5291 + " : linkgen=" + linkGeneration); 5292 } 5293 // Use link-enabled generation as preferredOrder, i.e. 5294 // prefer newly-enabled over earlier-enabled. 5295 info.preferredOrder = linkGeneration; 5296 alwaysList.add(info); 5297 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5298 if (DEBUG_DOMAIN_VERIFICATION) { 5299 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5300 } 5301 neverList.add(info); 5302 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5303 if (DEBUG_DOMAIN_VERIFICATION) { 5304 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5305 } 5306 alwaysAskList.add(info); 5307 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5308 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5309 if (DEBUG_DOMAIN_VERIFICATION) { 5310 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5311 } 5312 undefinedList.add(info); 5313 } 5314 } 5315 } 5316 5317 // We'll want to include browser possibilities in a few cases 5318 boolean includeBrowser = false; 5319 5320 // First try to add the "always" resolution(s) for the current user, if any 5321 if (alwaysList.size() > 0) { 5322 result.addAll(alwaysList); 5323 } else { 5324 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5325 result.addAll(undefinedList); 5326 // Maybe add one for the other profile. 5327 if (xpDomainInfo != null && ( 5328 xpDomainInfo.bestDomainVerificationStatus 5329 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5330 result.add(xpDomainInfo.resolveInfo); 5331 } 5332 includeBrowser = true; 5333 } 5334 5335 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5336 // If there were 'always' entries their preferred order has been set, so we also 5337 // back that off to make the alternatives equivalent 5338 if (alwaysAskList.size() > 0) { 5339 for (ResolveInfo i : result) { 5340 i.preferredOrder = 0; 5341 } 5342 result.addAll(alwaysAskList); 5343 includeBrowser = true; 5344 } 5345 5346 if (includeBrowser) { 5347 // Also add browsers (all of them or only the default one) 5348 if (DEBUG_DOMAIN_VERIFICATION) { 5349 Slog.v(TAG, " ...including browsers in candidate set"); 5350 } 5351 if ((matchFlags & MATCH_ALL) != 0) { 5352 result.addAll(matchAllList); 5353 } else { 5354 // Browser/generic handling case. If there's a default browser, go straight 5355 // to that (but only if there is no other higher-priority match). 5356 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5357 int maxMatchPrio = 0; 5358 ResolveInfo defaultBrowserMatch = null; 5359 final int numCandidates = matchAllList.size(); 5360 for (int n = 0; n < numCandidates; n++) { 5361 ResolveInfo info = matchAllList.get(n); 5362 // track the highest overall match priority... 5363 if (info.priority > maxMatchPrio) { 5364 maxMatchPrio = info.priority; 5365 } 5366 // ...and the highest-priority default browser match 5367 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5368 if (defaultBrowserMatch == null 5369 || (defaultBrowserMatch.priority < info.priority)) { 5370 if (debug) { 5371 Slog.v(TAG, "Considering default browser match " + info); 5372 } 5373 defaultBrowserMatch = info; 5374 } 5375 } 5376 } 5377 if (defaultBrowserMatch != null 5378 && defaultBrowserMatch.priority >= maxMatchPrio 5379 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5380 { 5381 if (debug) { 5382 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5383 } 5384 result.add(defaultBrowserMatch); 5385 } else { 5386 result.addAll(matchAllList); 5387 } 5388 } 5389 5390 // If there is nothing selected, add all candidates and remove the ones that the user 5391 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5392 if (result.size() == 0) { 5393 result.addAll(candidates); 5394 result.removeAll(neverList); 5395 } 5396 } 5397 } 5398 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5399 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5400 result.size()); 5401 for (ResolveInfo info : result) { 5402 Slog.v(TAG, " + " + info.activityInfo); 5403 } 5404 } 5405 return result; 5406 } 5407 5408 // Returns a packed value as a long: 5409 // 5410 // high 'int'-sized word: link status: undefined/ask/never/always. 5411 // low 'int'-sized word: relative priority among 'always' results. 5412 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5413 long result = ps.getDomainVerificationStatusForUser(userId); 5414 // if none available, get the master status 5415 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5416 if (ps.getIntentFilterVerificationInfo() != null) { 5417 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5418 } 5419 } 5420 return result; 5421 } 5422 5423 private ResolveInfo querySkipCurrentProfileIntents( 5424 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5425 int flags, int sourceUserId) { 5426 if (matchingFilters != null) { 5427 int size = matchingFilters.size(); 5428 for (int i = 0; i < size; i ++) { 5429 CrossProfileIntentFilter filter = matchingFilters.get(i); 5430 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5431 // Checking if there are activities in the target user that can handle the 5432 // intent. 5433 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5434 resolvedType, flags, sourceUserId); 5435 if (resolveInfo != null) { 5436 return resolveInfo; 5437 } 5438 } 5439 } 5440 } 5441 return null; 5442 } 5443 5444 // Return matching ResolveInfo in target user if any. 5445 private ResolveInfo queryCrossProfileIntents( 5446 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5447 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5448 if (matchingFilters != null) { 5449 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5450 // match the same intent. For performance reasons, it is better not to 5451 // run queryIntent twice for the same userId 5452 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5453 int size = matchingFilters.size(); 5454 for (int i = 0; i < size; i++) { 5455 CrossProfileIntentFilter filter = matchingFilters.get(i); 5456 int targetUserId = filter.getTargetUserId(); 5457 boolean skipCurrentProfile = 5458 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5459 boolean skipCurrentProfileIfNoMatchFound = 5460 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5461 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5462 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5463 // Checking if there are activities in the target user that can handle the 5464 // intent. 5465 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5466 resolvedType, flags, sourceUserId); 5467 if (resolveInfo != null) return resolveInfo; 5468 alreadyTriedUserIds.put(targetUserId, true); 5469 } 5470 } 5471 } 5472 return null; 5473 } 5474 5475 /** 5476 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5477 * will forward the intent to the filter's target user. 5478 * Otherwise, returns null. 5479 */ 5480 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5481 String resolvedType, int flags, int sourceUserId) { 5482 int targetUserId = filter.getTargetUserId(); 5483 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5484 resolvedType, flags, targetUserId); 5485 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 5486 // If all the matches in the target profile are suspended, return null. 5487 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 5488 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 5489 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 5490 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 5491 targetUserId); 5492 } 5493 } 5494 } 5495 return null; 5496 } 5497 5498 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5499 int sourceUserId, int targetUserId) { 5500 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5501 long ident = Binder.clearCallingIdentity(); 5502 boolean targetIsProfile; 5503 try { 5504 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5505 } finally { 5506 Binder.restoreCallingIdentity(ident); 5507 } 5508 String className; 5509 if (targetIsProfile) { 5510 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5511 } else { 5512 className = FORWARD_INTENT_TO_PARENT; 5513 } 5514 ComponentName forwardingActivityComponentName = new ComponentName( 5515 mAndroidApplication.packageName, className); 5516 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5517 sourceUserId); 5518 if (!targetIsProfile) { 5519 forwardingActivityInfo.showUserIcon = targetUserId; 5520 forwardingResolveInfo.noResourceId = true; 5521 } 5522 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5523 forwardingResolveInfo.priority = 0; 5524 forwardingResolveInfo.preferredOrder = 0; 5525 forwardingResolveInfo.match = 0; 5526 forwardingResolveInfo.isDefault = true; 5527 forwardingResolveInfo.filter = filter; 5528 forwardingResolveInfo.targetUserId = targetUserId; 5529 return forwardingResolveInfo; 5530 } 5531 5532 @Override 5533 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5534 Intent[] specifics, String[] specificTypes, Intent intent, 5535 String resolvedType, int flags, int userId) { 5536 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 5537 specificTypes, intent, resolvedType, flags, userId)); 5538 } 5539 5540 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 5541 Intent[] specifics, String[] specificTypes, Intent intent, 5542 String resolvedType, int flags, int userId) { 5543 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5544 flags = updateFlagsForResolve(flags, userId, intent); 5545 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5546 false /* requireFullPermission */, false /* checkShell */, 5547 "query intent activity options"); 5548 final String resultsAction = intent.getAction(); 5549 5550 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 5551 | PackageManager.GET_RESOLVED_FILTER, userId); 5552 5553 if (DEBUG_INTENT_MATCHING) { 5554 Log.v(TAG, "Query " + intent + ": " + results); 5555 } 5556 5557 int specificsPos = 0; 5558 int N; 5559 5560 // todo: note that the algorithm used here is O(N^2). This 5561 // isn't a problem in our current environment, but if we start running 5562 // into situations where we have more than 5 or 10 matches then this 5563 // should probably be changed to something smarter... 5564 5565 // First we go through and resolve each of the specific items 5566 // that were supplied, taking care of removing any corresponding 5567 // duplicate items in the generic resolve list. 5568 if (specifics != null) { 5569 for (int i=0; i<specifics.length; i++) { 5570 final Intent sintent = specifics[i]; 5571 if (sintent == null) { 5572 continue; 5573 } 5574 5575 if (DEBUG_INTENT_MATCHING) { 5576 Log.v(TAG, "Specific #" + i + ": " + sintent); 5577 } 5578 5579 String action = sintent.getAction(); 5580 if (resultsAction != null && resultsAction.equals(action)) { 5581 // If this action was explicitly requested, then don't 5582 // remove things that have it. 5583 action = null; 5584 } 5585 5586 ResolveInfo ri = null; 5587 ActivityInfo ai = null; 5588 5589 ComponentName comp = sintent.getComponent(); 5590 if (comp == null) { 5591 ri = resolveIntent( 5592 sintent, 5593 specificTypes != null ? specificTypes[i] : null, 5594 flags, userId); 5595 if (ri == null) { 5596 continue; 5597 } 5598 if (ri == mResolveInfo) { 5599 // ACK! Must do something better with this. 5600 } 5601 ai = ri.activityInfo; 5602 comp = new ComponentName(ai.applicationInfo.packageName, 5603 ai.name); 5604 } else { 5605 ai = getActivityInfo(comp, flags, userId); 5606 if (ai == null) { 5607 continue; 5608 } 5609 } 5610 5611 // Look for any generic query activities that are duplicates 5612 // of this specific one, and remove them from the results. 5613 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5614 N = results.size(); 5615 int j; 5616 for (j=specificsPos; j<N; j++) { 5617 ResolveInfo sri = results.get(j); 5618 if ((sri.activityInfo.name.equals(comp.getClassName()) 5619 && sri.activityInfo.applicationInfo.packageName.equals( 5620 comp.getPackageName())) 5621 || (action != null && sri.filter.matchAction(action))) { 5622 results.remove(j); 5623 if (DEBUG_INTENT_MATCHING) Log.v( 5624 TAG, "Removing duplicate item from " + j 5625 + " due to specific " + specificsPos); 5626 if (ri == null) { 5627 ri = sri; 5628 } 5629 j--; 5630 N--; 5631 } 5632 } 5633 5634 // Add this specific item to its proper place. 5635 if (ri == null) { 5636 ri = new ResolveInfo(); 5637 ri.activityInfo = ai; 5638 } 5639 results.add(specificsPos, ri); 5640 ri.specificIndex = i; 5641 specificsPos++; 5642 } 5643 } 5644 5645 // Now we go through the remaining generic results and remove any 5646 // duplicate actions that are found here. 5647 N = results.size(); 5648 for (int i=specificsPos; i<N-1; i++) { 5649 final ResolveInfo rii = results.get(i); 5650 if (rii.filter == null) { 5651 continue; 5652 } 5653 5654 // Iterate over all of the actions of this result's intent 5655 // filter... typically this should be just one. 5656 final Iterator<String> it = rii.filter.actionsIterator(); 5657 if (it == null) { 5658 continue; 5659 } 5660 while (it.hasNext()) { 5661 final String action = it.next(); 5662 if (resultsAction != null && resultsAction.equals(action)) { 5663 // If this action was explicitly requested, then don't 5664 // remove things that have it. 5665 continue; 5666 } 5667 for (int j=i+1; j<N; j++) { 5668 final ResolveInfo rij = results.get(j); 5669 if (rij.filter != null && rij.filter.hasAction(action)) { 5670 results.remove(j); 5671 if (DEBUG_INTENT_MATCHING) Log.v( 5672 TAG, "Removing duplicate item from " + j 5673 + " due to action " + action + " at " + i); 5674 j--; 5675 N--; 5676 } 5677 } 5678 } 5679 5680 // If the caller didn't request filter information, drop it now 5681 // so we don't have to marshall/unmarshall it. 5682 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5683 rii.filter = null; 5684 } 5685 } 5686 5687 // Filter out the caller activity if so requested. 5688 if (caller != null) { 5689 N = results.size(); 5690 for (int i=0; i<N; i++) { 5691 ActivityInfo ainfo = results.get(i).activityInfo; 5692 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5693 && caller.getClassName().equals(ainfo.name)) { 5694 results.remove(i); 5695 break; 5696 } 5697 } 5698 } 5699 5700 // If the caller didn't request filter information, 5701 // drop them now so we don't have to 5702 // marshall/unmarshall it. 5703 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5704 N = results.size(); 5705 for (int i=0; i<N; i++) { 5706 results.get(i).filter = null; 5707 } 5708 } 5709 5710 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5711 return results; 5712 } 5713 5714 @Override 5715 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 5716 String resolvedType, int flags, int userId) { 5717 return new ParceledListSlice<>( 5718 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 5719 } 5720 5721 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 5722 String resolvedType, int flags, int userId) { 5723 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5724 flags = updateFlagsForResolve(flags, userId, intent); 5725 ComponentName comp = intent.getComponent(); 5726 if (comp == null) { 5727 if (intent.getSelector() != null) { 5728 intent = intent.getSelector(); 5729 comp = intent.getComponent(); 5730 } 5731 } 5732 if (comp != null) { 5733 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5734 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5735 if (ai != null) { 5736 ResolveInfo ri = new ResolveInfo(); 5737 ri.activityInfo = ai; 5738 list.add(ri); 5739 } 5740 return list; 5741 } 5742 5743 // reader 5744 synchronized (mPackages) { 5745 String pkgName = intent.getPackage(); 5746 if (pkgName == null) { 5747 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5748 } 5749 final PackageParser.Package pkg = mPackages.get(pkgName); 5750 if (pkg != null) { 5751 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5752 userId); 5753 } 5754 return Collections.emptyList(); 5755 } 5756 } 5757 5758 @Override 5759 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5760 if (!sUserManager.exists(userId)) return null; 5761 flags = updateFlagsForResolve(flags, userId, intent); 5762 List<ResolveInfo> query = queryIntentServicesInternal(intent, resolvedType, flags, userId); 5763 if (query != null) { 5764 if (query.size() >= 1) { 5765 // If there is more than one service with the same priority, 5766 // just arbitrarily pick the first one. 5767 return query.get(0); 5768 } 5769 } 5770 return null; 5771 } 5772 5773 @Override 5774 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 5775 String resolvedType, int flags, int userId) { 5776 return new ParceledListSlice<>( 5777 queryIntentServicesInternal(intent, resolvedType, flags, userId)); 5778 } 5779 5780 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 5781 String resolvedType, int flags, int userId) { 5782 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5783 flags = updateFlagsForResolve(flags, userId, intent); 5784 ComponentName comp = intent.getComponent(); 5785 if (comp == null) { 5786 if (intent.getSelector() != null) { 5787 intent = intent.getSelector(); 5788 comp = intent.getComponent(); 5789 } 5790 } 5791 if (comp != null) { 5792 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5793 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5794 if (si != null) { 5795 final ResolveInfo ri = new ResolveInfo(); 5796 ri.serviceInfo = si; 5797 list.add(ri); 5798 } 5799 return list; 5800 } 5801 5802 // reader 5803 synchronized (mPackages) { 5804 String pkgName = intent.getPackage(); 5805 if (pkgName == null) { 5806 return mServices.queryIntent(intent, resolvedType, flags, userId); 5807 } 5808 final PackageParser.Package pkg = mPackages.get(pkgName); 5809 if (pkg != null) { 5810 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5811 userId); 5812 } 5813 return Collections.emptyList(); 5814 } 5815 } 5816 5817 @Override 5818 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 5819 String resolvedType, int flags, int userId) { 5820 return new ParceledListSlice<>( 5821 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 5822 } 5823 5824 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 5825 Intent intent, String resolvedType, int flags, int userId) { 5826 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5827 flags = updateFlagsForResolve(flags, userId, intent); 5828 ComponentName comp = intent.getComponent(); 5829 if (comp == null) { 5830 if (intent.getSelector() != null) { 5831 intent = intent.getSelector(); 5832 comp = intent.getComponent(); 5833 } 5834 } 5835 if (comp != null) { 5836 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5837 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5838 if (pi != null) { 5839 final ResolveInfo ri = new ResolveInfo(); 5840 ri.providerInfo = pi; 5841 list.add(ri); 5842 } 5843 return list; 5844 } 5845 5846 // reader 5847 synchronized (mPackages) { 5848 String pkgName = intent.getPackage(); 5849 if (pkgName == null) { 5850 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5851 } 5852 final PackageParser.Package pkg = mPackages.get(pkgName); 5853 if (pkg != null) { 5854 return mProviders.queryIntentForPackage( 5855 intent, resolvedType, flags, pkg.providers, userId); 5856 } 5857 return Collections.emptyList(); 5858 } 5859 } 5860 5861 @Override 5862 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5863 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5864 flags = updateFlagsForPackage(flags, userId, null); 5865 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5866 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5867 true /* requireFullPermission */, false /* checkShell */, 5868 "get installed packages"); 5869 5870 // writer 5871 synchronized (mPackages) { 5872 ArrayList<PackageInfo> list; 5873 if (listUninstalled) { 5874 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5875 for (PackageSetting ps : mSettings.mPackages.values()) { 5876 PackageInfo pi; 5877 if (ps.pkg != null) { 5878 pi = generatePackageInfo(ps.pkg, flags, userId); 5879 } else { 5880 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5881 } 5882 if (pi != null) { 5883 list.add(pi); 5884 } 5885 } 5886 } else { 5887 list = new ArrayList<PackageInfo>(mPackages.size()); 5888 for (PackageParser.Package p : mPackages.values()) { 5889 PackageInfo pi = generatePackageInfo(p, flags, userId); 5890 if (pi != null) { 5891 list.add(pi); 5892 } 5893 } 5894 } 5895 5896 return new ParceledListSlice<PackageInfo>(list); 5897 } 5898 } 5899 5900 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5901 String[] permissions, boolean[] tmp, int flags, int userId) { 5902 int numMatch = 0; 5903 final PermissionsState permissionsState = ps.getPermissionsState(); 5904 for (int i=0; i<permissions.length; i++) { 5905 final String permission = permissions[i]; 5906 if (permissionsState.hasPermission(permission, userId)) { 5907 tmp[i] = true; 5908 numMatch++; 5909 } else { 5910 tmp[i] = false; 5911 } 5912 } 5913 if (numMatch == 0) { 5914 return; 5915 } 5916 PackageInfo pi; 5917 if (ps.pkg != null) { 5918 pi = generatePackageInfo(ps.pkg, flags, userId); 5919 } else { 5920 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5921 } 5922 // The above might return null in cases of uninstalled apps or install-state 5923 // skew across users/profiles. 5924 if (pi != null) { 5925 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5926 if (numMatch == permissions.length) { 5927 pi.requestedPermissions = permissions; 5928 } else { 5929 pi.requestedPermissions = new String[numMatch]; 5930 numMatch = 0; 5931 for (int i=0; i<permissions.length; i++) { 5932 if (tmp[i]) { 5933 pi.requestedPermissions[numMatch] = permissions[i]; 5934 numMatch++; 5935 } 5936 } 5937 } 5938 } 5939 list.add(pi); 5940 } 5941 } 5942 5943 @Override 5944 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5945 String[] permissions, int flags, int userId) { 5946 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5947 flags = updateFlagsForPackage(flags, userId, permissions); 5948 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5949 5950 // writer 5951 synchronized (mPackages) { 5952 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5953 boolean[] tmpBools = new boolean[permissions.length]; 5954 if (listUninstalled) { 5955 for (PackageSetting ps : mSettings.mPackages.values()) { 5956 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5957 } 5958 } else { 5959 for (PackageParser.Package pkg : mPackages.values()) { 5960 PackageSetting ps = (PackageSetting)pkg.mExtras; 5961 if (ps != null) { 5962 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5963 userId); 5964 } 5965 } 5966 } 5967 5968 return new ParceledListSlice<PackageInfo>(list); 5969 } 5970 } 5971 5972 @Override 5973 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5974 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5975 flags = updateFlagsForApplication(flags, userId, null); 5976 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5977 5978 // writer 5979 synchronized (mPackages) { 5980 ArrayList<ApplicationInfo> list; 5981 if (listUninstalled) { 5982 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5983 for (PackageSetting ps : mSettings.mPackages.values()) { 5984 ApplicationInfo ai; 5985 if (ps.pkg != null) { 5986 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5987 ps.readUserState(userId), userId); 5988 } else { 5989 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5990 } 5991 if (ai != null) { 5992 list.add(ai); 5993 } 5994 } 5995 } else { 5996 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5997 for (PackageParser.Package p : mPackages.values()) { 5998 if (p.mExtras != null) { 5999 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6000 ((PackageSetting)p.mExtras).readUserState(userId), userId); 6001 if (ai != null) { 6002 list.add(ai); 6003 } 6004 } 6005 } 6006 } 6007 6008 return new ParceledListSlice<ApplicationInfo>(list); 6009 } 6010 } 6011 6012 @Override 6013 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 6014 if (DISABLE_EPHEMERAL_APPS) { 6015 return null; 6016 } 6017 6018 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6019 "getEphemeralApplications"); 6020 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6021 true /* requireFullPermission */, false /* checkShell */, 6022 "getEphemeralApplications"); 6023 synchronized (mPackages) { 6024 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 6025 .getEphemeralApplicationsLPw(userId); 6026 if (ephemeralApps != null) { 6027 return new ParceledListSlice<>(ephemeralApps); 6028 } 6029 } 6030 return null; 6031 } 6032 6033 @Override 6034 public boolean isEphemeralApplication(String packageName, int userId) { 6035 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6036 true /* requireFullPermission */, false /* checkShell */, 6037 "isEphemeral"); 6038 if (DISABLE_EPHEMERAL_APPS) { 6039 return false; 6040 } 6041 6042 if (!isCallerSameApp(packageName)) { 6043 return false; 6044 } 6045 synchronized (mPackages) { 6046 PackageParser.Package pkg = mPackages.get(packageName); 6047 if (pkg != null) { 6048 return pkg.applicationInfo.isEphemeralApp(); 6049 } 6050 } 6051 return false; 6052 } 6053 6054 @Override 6055 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 6056 if (DISABLE_EPHEMERAL_APPS) { 6057 return null; 6058 } 6059 6060 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6061 true /* requireFullPermission */, false /* checkShell */, 6062 "getCookie"); 6063 if (!isCallerSameApp(packageName)) { 6064 return null; 6065 } 6066 synchronized (mPackages) { 6067 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 6068 packageName, userId); 6069 } 6070 } 6071 6072 @Override 6073 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 6074 if (DISABLE_EPHEMERAL_APPS) { 6075 return true; 6076 } 6077 6078 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6079 true /* requireFullPermission */, true /* checkShell */, 6080 "setCookie"); 6081 if (!isCallerSameApp(packageName)) { 6082 return false; 6083 } 6084 synchronized (mPackages) { 6085 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 6086 packageName, cookie, userId); 6087 } 6088 } 6089 6090 @Override 6091 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 6092 if (DISABLE_EPHEMERAL_APPS) { 6093 return null; 6094 } 6095 6096 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 6097 "getEphemeralApplicationIcon"); 6098 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6099 true /* requireFullPermission */, false /* checkShell */, 6100 "getEphemeralApplicationIcon"); 6101 synchronized (mPackages) { 6102 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 6103 packageName, userId); 6104 } 6105 } 6106 6107 private boolean isCallerSameApp(String packageName) { 6108 PackageParser.Package pkg = mPackages.get(packageName); 6109 return pkg != null 6110 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 6111 } 6112 6113 @Override 6114 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 6115 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 6116 } 6117 6118 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 6119 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 6120 6121 // reader 6122 synchronized (mPackages) { 6123 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 6124 final int userId = UserHandle.getCallingUserId(); 6125 while (i.hasNext()) { 6126 final PackageParser.Package p = i.next(); 6127 if (p.applicationInfo == null) continue; 6128 6129 final boolean matchesUnaware = ((flags & MATCH_ENCRYPTION_UNAWARE) != 0) 6130 && !p.applicationInfo.isEncryptionAware(); 6131 final boolean matchesAware = ((flags & MATCH_ENCRYPTION_AWARE) != 0) 6132 && p.applicationInfo.isEncryptionAware(); 6133 6134 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 6135 && (!mSafeMode || isSystemApp(p)) 6136 && (matchesUnaware || matchesAware)) { 6137 PackageSetting ps = mSettings.mPackages.get(p.packageName); 6138 if (ps != null) { 6139 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 6140 ps.readUserState(userId), userId); 6141 if (ai != null) { 6142 finalList.add(ai); 6143 } 6144 } 6145 } 6146 } 6147 } 6148 6149 return finalList; 6150 } 6151 6152 @Override 6153 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 6154 if (!sUserManager.exists(userId)) return null; 6155 flags = updateFlagsForComponent(flags, userId, name); 6156 // reader 6157 synchronized (mPackages) { 6158 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 6159 PackageSetting ps = provider != null 6160 ? mSettings.mPackages.get(provider.owner.packageName) 6161 : null; 6162 return ps != null 6163 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 6164 ? PackageParser.generateProviderInfo(provider, flags, 6165 ps.readUserState(userId), userId) 6166 : null; 6167 } 6168 } 6169 6170 /** 6171 * @deprecated 6172 */ 6173 @Deprecated 6174 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 6175 // reader 6176 synchronized (mPackages) { 6177 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 6178 .entrySet().iterator(); 6179 final int userId = UserHandle.getCallingUserId(); 6180 while (i.hasNext()) { 6181 Map.Entry<String, PackageParser.Provider> entry = i.next(); 6182 PackageParser.Provider p = entry.getValue(); 6183 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6184 6185 if (ps != null && p.syncable 6186 && (!mSafeMode || (p.info.applicationInfo.flags 6187 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 6188 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 6189 ps.readUserState(userId), userId); 6190 if (info != null) { 6191 outNames.add(entry.getKey()); 6192 outInfo.add(info); 6193 } 6194 } 6195 } 6196 } 6197 } 6198 6199 @Override 6200 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6201 int uid, int flags) { 6202 final int userId = processName != null ? UserHandle.getUserId(uid) 6203 : UserHandle.getCallingUserId(); 6204 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 6205 flags = updateFlagsForComponent(flags, userId, processName); 6206 6207 ArrayList<ProviderInfo> finalList = null; 6208 // reader 6209 synchronized (mPackages) { 6210 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6211 while (i.hasNext()) { 6212 final PackageParser.Provider p = i.next(); 6213 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6214 if (ps != null && p.info.authority != null 6215 && (processName == null 6216 || (p.info.processName.equals(processName) 6217 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6218 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6219 if (finalList == null) { 6220 finalList = new ArrayList<ProviderInfo>(3); 6221 } 6222 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6223 ps.readUserState(userId), userId); 6224 if (info != null) { 6225 finalList.add(info); 6226 } 6227 } 6228 } 6229 } 6230 6231 if (finalList != null) { 6232 Collections.sort(finalList, mProviderInitOrderSorter); 6233 return new ParceledListSlice<ProviderInfo>(finalList); 6234 } 6235 6236 return ParceledListSlice.emptyList(); 6237 } 6238 6239 @Override 6240 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6241 // reader 6242 synchronized (mPackages) { 6243 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6244 return PackageParser.generateInstrumentationInfo(i, flags); 6245 } 6246 } 6247 6248 @Override 6249 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 6250 String targetPackage, int flags) { 6251 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 6252 } 6253 6254 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 6255 int flags) { 6256 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 6257 6258 // reader 6259 synchronized (mPackages) { 6260 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6261 while (i.hasNext()) { 6262 final PackageParser.Instrumentation p = i.next(); 6263 if (targetPackage == null 6264 || targetPackage.equals(p.info.targetPackage)) { 6265 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6266 flags); 6267 if (ii != null) { 6268 finalList.add(ii); 6269 } 6270 } 6271 } 6272 } 6273 6274 return finalList; 6275 } 6276 6277 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6278 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6279 if (overlays == null) { 6280 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6281 return; 6282 } 6283 for (PackageParser.Package opkg : overlays.values()) { 6284 // Not much to do if idmap fails: we already logged the error 6285 // and we certainly don't want to abort installation of pkg simply 6286 // because an overlay didn't fit properly. For these reasons, 6287 // ignore the return value of createIdmapForPackagePairLI. 6288 createIdmapForPackagePairLI(pkg, opkg); 6289 } 6290 } 6291 6292 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6293 PackageParser.Package opkg) { 6294 if (!opkg.mTrustedOverlay) { 6295 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6296 opkg.baseCodePath + ": overlay not trusted"); 6297 return false; 6298 } 6299 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6300 if (overlaySet == null) { 6301 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6302 opkg.baseCodePath + " but target package has no known overlays"); 6303 return false; 6304 } 6305 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6306 // TODO: generate idmap for split APKs 6307 try { 6308 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6309 } catch (InstallerException e) { 6310 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6311 + opkg.baseCodePath); 6312 return false; 6313 } 6314 PackageParser.Package[] overlayArray = 6315 overlaySet.values().toArray(new PackageParser.Package[0]); 6316 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6317 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6318 return p1.mOverlayPriority - p2.mOverlayPriority; 6319 } 6320 }; 6321 Arrays.sort(overlayArray, cmp); 6322 6323 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6324 int i = 0; 6325 for (PackageParser.Package p : overlayArray) { 6326 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6327 } 6328 return true; 6329 } 6330 6331 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6332 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6333 try { 6334 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6335 } finally { 6336 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6337 } 6338 } 6339 6340 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6341 final File[] files = dir.listFiles(); 6342 if (ArrayUtils.isEmpty(files)) { 6343 Log.d(TAG, "No files in app dir " + dir); 6344 return; 6345 } 6346 6347 if (DEBUG_PACKAGE_SCANNING) { 6348 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6349 + " flags=0x" + Integer.toHexString(parseFlags)); 6350 } 6351 6352 for (File file : files) { 6353 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6354 && !PackageInstallerService.isStageName(file.getName()); 6355 if (!isPackage) { 6356 // Ignore entries which are not packages 6357 continue; 6358 } 6359 try { 6360 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6361 scanFlags, currentTime, null); 6362 } catch (PackageManagerException e) { 6363 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6364 6365 // Delete invalid userdata apps 6366 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6367 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6368 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6369 removeCodePathLI(file); 6370 } 6371 } 6372 } 6373 } 6374 6375 private static File getSettingsProblemFile() { 6376 File dataDir = Environment.getDataDirectory(); 6377 File systemDir = new File(dataDir, "system"); 6378 File fname = new File(systemDir, "uiderrors.txt"); 6379 return fname; 6380 } 6381 6382 static void reportSettingsProblem(int priority, String msg) { 6383 logCriticalInfo(priority, msg); 6384 } 6385 6386 static void logCriticalInfo(int priority, String msg) { 6387 Slog.println(priority, TAG, msg); 6388 EventLogTags.writePmCriticalInfo(msg); 6389 try { 6390 File fname = getSettingsProblemFile(); 6391 FileOutputStream out = new FileOutputStream(fname, true); 6392 PrintWriter pw = new FastPrintWriter(out); 6393 SimpleDateFormat formatter = new SimpleDateFormat(); 6394 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6395 pw.println(dateString + ": " + msg); 6396 pw.close(); 6397 FileUtils.setPermissions( 6398 fname.toString(), 6399 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6400 -1, -1); 6401 } catch (java.io.IOException e) { 6402 } 6403 } 6404 6405 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 6406 int parseFlags) throws PackageManagerException { 6407 if (ps != null 6408 && ps.codePath.equals(srcFile) 6409 && ps.timeStamp == srcFile.lastModified() 6410 && !isCompatSignatureUpdateNeeded(pkg) 6411 && !isRecoverSignatureUpdateNeeded(pkg)) { 6412 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6413 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6414 ArraySet<PublicKey> signingKs; 6415 synchronized (mPackages) { 6416 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6417 } 6418 if (ps.signatures.mSignatures != null 6419 && ps.signatures.mSignatures.length != 0 6420 && signingKs != null) { 6421 // Optimization: reuse the existing cached certificates 6422 // if the package appears to be unchanged. 6423 pkg.mSignatures = ps.signatures.mSignatures; 6424 pkg.mSigningKeys = signingKs; 6425 return; 6426 } 6427 6428 Slog.w(TAG, "PackageSetting for " + ps.name 6429 + " is missing signatures. Collecting certs again to recover them."); 6430 } else { 6431 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6432 } 6433 6434 try { 6435 PackageParser.collectCertificates(pkg, parseFlags); 6436 } catch (PackageParserException e) { 6437 throw PackageManagerException.from(e); 6438 } 6439 } 6440 6441 /** 6442 * Traces a package scan. 6443 * @see #scanPackageLI(File, int, int, long, UserHandle) 6444 */ 6445 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6446 long currentTime, UserHandle user) throws PackageManagerException { 6447 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6448 try { 6449 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6450 } finally { 6451 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6452 } 6453 } 6454 6455 /** 6456 * Scans a package and returns the newly parsed package. 6457 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6458 */ 6459 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6460 long currentTime, UserHandle user) throws PackageManagerException { 6461 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6462 parseFlags |= mDefParseFlags; 6463 PackageParser pp = new PackageParser(); 6464 pp.setSeparateProcesses(mSeparateProcesses); 6465 pp.setOnlyCoreApps(mOnlyCore); 6466 pp.setDisplayMetrics(mMetrics); 6467 6468 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6469 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6470 } 6471 6472 final PackageParser.Package pkg; 6473 try { 6474 pkg = pp.parsePackage(scanFile, parseFlags); 6475 } catch (PackageParserException e) { 6476 throw PackageManagerException.from(e); 6477 } 6478 6479 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6480 } 6481 6482 /** 6483 * Scans a package and returns the newly parsed package. 6484 * @throws PackageManagerException on a parse error. 6485 */ 6486 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 6487 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6488 throws PackageManagerException { 6489 // If the package has children and this is the first dive in the function 6490 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 6491 // packages (parent and children) would be successfully scanned before the 6492 // actual scan since scanning mutates internal state and we want to atomically 6493 // install the package and its children. 6494 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 6495 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 6496 scanFlags |= SCAN_CHECK_ONLY; 6497 } 6498 } else { 6499 scanFlags &= ~SCAN_CHECK_ONLY; 6500 } 6501 6502 // Scan the parent 6503 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, parseFlags, 6504 scanFlags, currentTime, user); 6505 6506 // Scan the children 6507 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 6508 for (int i = 0; i < childCount; i++) { 6509 PackageParser.Package childPackage = pkg.childPackages.get(i); 6510 scanPackageInternalLI(childPackage, scanFile, parseFlags, scanFlags, 6511 currentTime, user); 6512 } 6513 6514 6515 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 6516 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 6517 } 6518 6519 return scannedPkg; 6520 } 6521 6522 /** 6523 * Scans a package and returns the newly parsed package. 6524 * @throws PackageManagerException on a parse error. 6525 */ 6526 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 6527 int parseFlags, int scanFlags, long currentTime, UserHandle user) 6528 throws PackageManagerException { 6529 PackageSetting ps = null; 6530 PackageSetting updatedPkg; 6531 // reader 6532 synchronized (mPackages) { 6533 // Look to see if we already know about this package. 6534 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6535 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6536 // This package has been renamed to its original name. Let's 6537 // use that. 6538 ps = mSettings.peekPackageLPr(oldName); 6539 } 6540 // If there was no original package, see one for the real package name. 6541 if (ps == null) { 6542 ps = mSettings.peekPackageLPr(pkg.packageName); 6543 } 6544 // Check to see if this package could be hiding/updating a system 6545 // package. Must look for it either under the original or real 6546 // package name depending on our state. 6547 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6548 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6549 6550 // If this is a package we don't know about on the system partition, we 6551 // may need to remove disabled child packages on the system partition 6552 // or may need to not add child packages if the parent apk is updated 6553 // on the data partition and no longer defines this child package. 6554 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6555 // If this is a parent package for an updated system app and this system 6556 // app got an OTA update which no longer defines some of the child packages 6557 // we have to prune them from the disabled system packages. 6558 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 6559 if (disabledPs != null) { 6560 final int scannedChildCount = (pkg.childPackages != null) 6561 ? pkg.childPackages.size() : 0; 6562 final int disabledChildCount = disabledPs.childPackageNames != null 6563 ? disabledPs.childPackageNames.size() : 0; 6564 for (int i = 0; i < disabledChildCount; i++) { 6565 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 6566 boolean disabledPackageAvailable = false; 6567 for (int j = 0; j < scannedChildCount; j++) { 6568 PackageParser.Package childPkg = pkg.childPackages.get(j); 6569 if (childPkg.packageName.equals(disabledChildPackageName)) { 6570 disabledPackageAvailable = true; 6571 break; 6572 } 6573 } 6574 if (!disabledPackageAvailable) { 6575 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 6576 } 6577 } 6578 } 6579 } 6580 } 6581 6582 boolean updatedPkgBetter = false; 6583 // First check if this is a system package that may involve an update 6584 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6585 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6586 // it needs to drop FLAG_PRIVILEGED. 6587 if (locationIsPrivileged(scanFile)) { 6588 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6589 } else { 6590 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6591 } 6592 6593 if (ps != null && !ps.codePath.equals(scanFile)) { 6594 // The path has changed from what was last scanned... check the 6595 // version of the new path against what we have stored to determine 6596 // what to do. 6597 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6598 if (pkg.mVersionCode <= ps.versionCode) { 6599 // The system package has been updated and the code path does not match 6600 // Ignore entry. Skip it. 6601 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6602 + " ignored: updated version " + ps.versionCode 6603 + " better than this " + pkg.mVersionCode); 6604 if (!updatedPkg.codePath.equals(scanFile)) { 6605 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6606 + ps.name + " changing from " + updatedPkg.codePathString 6607 + " to " + scanFile); 6608 updatedPkg.codePath = scanFile; 6609 updatedPkg.codePathString = scanFile.toString(); 6610 updatedPkg.resourcePath = scanFile; 6611 updatedPkg.resourcePathString = scanFile.toString(); 6612 } 6613 updatedPkg.pkg = pkg; 6614 updatedPkg.versionCode = pkg.mVersionCode; 6615 6616 // Update the disabled system child packages to point to the package too. 6617 final int childCount = updatedPkg.childPackageNames != null 6618 ? updatedPkg.childPackageNames.size() : 0; 6619 for (int i = 0; i < childCount; i++) { 6620 String childPackageName = updatedPkg.childPackageNames.get(i); 6621 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 6622 childPackageName); 6623 if (updatedChildPkg != null) { 6624 updatedChildPkg.pkg = pkg; 6625 updatedChildPkg.versionCode = pkg.mVersionCode; 6626 } 6627 } 6628 6629 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 6630 + scanFile + " ignored: updated version " + ps.versionCode 6631 + " better than this " + pkg.mVersionCode); 6632 } else { 6633 // The current app on the system partition is better than 6634 // what we have updated to on the data partition; switch 6635 // back to the system partition version. 6636 // At this point, its safely assumed that package installation for 6637 // apps in system partition will go through. If not there won't be a working 6638 // version of the app 6639 // writer 6640 synchronized (mPackages) { 6641 // Just remove the loaded entries from package lists. 6642 mPackages.remove(ps.name); 6643 } 6644 6645 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6646 + " reverting from " + ps.codePathString 6647 + ": new version " + pkg.mVersionCode 6648 + " better than installed " + ps.versionCode); 6649 6650 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6651 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6652 synchronized (mInstallLock) { 6653 args.cleanUpResourcesLI(); 6654 } 6655 synchronized (mPackages) { 6656 mSettings.enableSystemPackageLPw(ps.name); 6657 } 6658 updatedPkgBetter = true; 6659 } 6660 } 6661 } 6662 6663 if (updatedPkg != null) { 6664 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6665 // initially 6666 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6667 6668 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6669 // flag set initially 6670 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6671 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6672 } 6673 } 6674 6675 // Verify certificates against what was last scanned 6676 collectCertificatesLI(ps, pkg, scanFile, parseFlags); 6677 6678 /* 6679 * A new system app appeared, but we already had a non-system one of the 6680 * same name installed earlier. 6681 */ 6682 boolean shouldHideSystemApp = false; 6683 if (updatedPkg == null && ps != null 6684 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6685 /* 6686 * Check to make sure the signatures match first. If they don't, 6687 * wipe the installed application and its data. 6688 */ 6689 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6690 != PackageManager.SIGNATURE_MATCH) { 6691 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6692 + " signatures don't match existing userdata copy; removing"); 6693 deletePackageLI(pkg.packageName, null, true, null, 0, null, false, null); 6694 ps = null; 6695 } else { 6696 /* 6697 * If the newly-added system app is an older version than the 6698 * already installed version, hide it. It will be scanned later 6699 * and re-added like an update. 6700 */ 6701 if (pkg.mVersionCode <= ps.versionCode) { 6702 shouldHideSystemApp = true; 6703 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6704 + " but new version " + pkg.mVersionCode + " better than installed " 6705 + ps.versionCode + "; hiding system"); 6706 } else { 6707 /* 6708 * The newly found system app is a newer version that the 6709 * one previously installed. Simply remove the 6710 * already-installed application and replace it with our own 6711 * while keeping the application data. 6712 */ 6713 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6714 + " reverting from " + ps.codePathString + ": new version " 6715 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6716 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6717 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6718 synchronized (mInstallLock) { 6719 args.cleanUpResourcesLI(); 6720 } 6721 } 6722 } 6723 } 6724 6725 // The apk is forward locked (not public) if its code and resources 6726 // are kept in different files. (except for app in either system or 6727 // vendor path). 6728 // TODO grab this value from PackageSettings 6729 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6730 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6731 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6732 } 6733 } 6734 6735 // TODO: extend to support forward-locked splits 6736 String resourcePath = null; 6737 String baseResourcePath = null; 6738 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6739 if (ps != null && ps.resourcePathString != null) { 6740 resourcePath = ps.resourcePathString; 6741 baseResourcePath = ps.resourcePathString; 6742 } else { 6743 // Should not happen at all. Just log an error. 6744 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6745 } 6746 } else { 6747 resourcePath = pkg.codePath; 6748 baseResourcePath = pkg.baseCodePath; 6749 } 6750 6751 // Set application objects path explicitly. 6752 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 6753 pkg.setApplicationInfoCodePath(pkg.codePath); 6754 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 6755 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 6756 pkg.setApplicationInfoResourcePath(resourcePath); 6757 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 6758 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 6759 6760 // Note that we invoke the following method only if we are about to unpack an application 6761 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6762 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6763 6764 /* 6765 * If the system app should be overridden by a previously installed 6766 * data, hide the system app now and let the /data/app scan pick it up 6767 * again. 6768 */ 6769 if (shouldHideSystemApp) { 6770 synchronized (mPackages) { 6771 mSettings.disableSystemPackageLPw(pkg.packageName, true); 6772 } 6773 } 6774 6775 return scannedPkg; 6776 } 6777 6778 private static String fixProcessName(String defProcessName, 6779 String processName, int uid) { 6780 if (processName == null) { 6781 return defProcessName; 6782 } 6783 return processName; 6784 } 6785 6786 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6787 throws PackageManagerException { 6788 if (pkgSetting.signatures.mSignatures != null) { 6789 // Already existing package. Make sure signatures match 6790 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6791 == PackageManager.SIGNATURE_MATCH; 6792 if (!match) { 6793 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6794 == PackageManager.SIGNATURE_MATCH; 6795 } 6796 if (!match) { 6797 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6798 == PackageManager.SIGNATURE_MATCH; 6799 } 6800 if (!match) { 6801 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6802 + pkg.packageName + " signatures do not match the " 6803 + "previously installed version; ignoring!"); 6804 } 6805 } 6806 6807 // Check for shared user signatures 6808 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6809 // Already existing package. Make sure signatures match 6810 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6811 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6812 if (!match) { 6813 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6814 == PackageManager.SIGNATURE_MATCH; 6815 } 6816 if (!match) { 6817 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6818 == PackageManager.SIGNATURE_MATCH; 6819 } 6820 if (!match) { 6821 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6822 "Package " + pkg.packageName 6823 + " has no signatures that match those in shared user " 6824 + pkgSetting.sharedUser.name + "; ignoring!"); 6825 } 6826 } 6827 } 6828 6829 /** 6830 * Enforces that only the system UID or root's UID can call a method exposed 6831 * via Binder. 6832 * 6833 * @param message used as message if SecurityException is thrown 6834 * @throws SecurityException if the caller is not system or root 6835 */ 6836 private static final void enforceSystemOrRoot(String message) { 6837 final int uid = Binder.getCallingUid(); 6838 if (uid != Process.SYSTEM_UID && uid != 0) { 6839 throw new SecurityException(message); 6840 } 6841 } 6842 6843 @Override 6844 public void performFstrimIfNeeded() { 6845 enforceSystemOrRoot("Only the system can request fstrim"); 6846 6847 // Before everything else, see whether we need to fstrim. 6848 try { 6849 IMountService ms = PackageHelper.getMountService(); 6850 if (ms != null) { 6851 final boolean isUpgrade = isUpgrade(); 6852 boolean doTrim = isUpgrade; 6853 if (doTrim) { 6854 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6855 } else { 6856 final long interval = android.provider.Settings.Global.getLong( 6857 mContext.getContentResolver(), 6858 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6859 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6860 if (interval > 0) { 6861 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6862 if (timeSinceLast > interval) { 6863 doTrim = true; 6864 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6865 + "; running immediately"); 6866 } 6867 } 6868 } 6869 if (doTrim) { 6870 if (!isFirstBoot()) { 6871 try { 6872 ActivityManagerNative.getDefault().showBootMessage( 6873 mContext.getResources().getString( 6874 R.string.android_upgrading_fstrim), true); 6875 } catch (RemoteException e) { 6876 } 6877 } 6878 ms.runMaintenance(); 6879 } 6880 } else { 6881 Slog.e(TAG, "Mount service unavailable!"); 6882 } 6883 } catch (RemoteException e) { 6884 // Can't happen; MountService is local 6885 } 6886 } 6887 6888 @Override 6889 public void extractPackagesIfNeeded() { 6890 enforceSystemOrRoot("Only the system can request package extraction"); 6891 6892 // Extract pacakges only if profile-guided compilation is enabled because 6893 // otherwise BackgroundDexOptService will not dexopt them later. 6894 boolean prunedCache = VMRuntime.didPruneDalvikCache(); 6895 if (!isUpgrade() && !prunedCache) { 6896 return; 6897 } 6898 6899 List<PackageParser.Package> pkgs; 6900 synchronized (mPackages) { 6901 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 6902 } 6903 6904 int curr = 0; 6905 int total = pkgs.size(); 6906 for (PackageParser.Package pkg : pkgs) { 6907 curr++; 6908 6909 if (DEBUG_DEXOPT) { 6910 Log.i(TAG, "Extracting app " + curr + " of " + total + ": " + pkg.packageName); 6911 } 6912 6913 if (!isFirstBoot()) { 6914 try { 6915 ActivityManagerNative.getDefault().showBootMessage( 6916 mContext.getResources().getString(R.string.android_upgrading_apk, 6917 curr, total), true); 6918 } catch (RemoteException e) { 6919 } 6920 } 6921 6922 if (PackageDexOptimizer.canOptimizePackage(pkg)) { 6923 // If the cache was pruned, any compiled odex files will likely be out of date 6924 // and would have to be patched (would be SELF_PATCHOAT, which is deprecated). 6925 // Instead, force the extraction in this case. 6926 performDexOpt(pkg.packageName, null /* instructionSet */, 6927 false /* useProfiles */, true /* extractOnly */, prunedCache); 6928 } 6929 } 6930 } 6931 6932 @Override 6933 public void notifyPackageUse(String packageName) { 6934 synchronized (mPackages) { 6935 PackageParser.Package p = mPackages.get(packageName); 6936 if (p == null) { 6937 return; 6938 } 6939 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6940 } 6941 } 6942 6943 // TODO: this is not used nor needed. Delete it. 6944 @Override 6945 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6946 return performDexOptTraced(packageName, instructionSet, false /* useProfiles */, 6947 false /* extractOnly */, false /* force */); 6948 } 6949 6950 @Override 6951 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles, 6952 boolean extractOnly, boolean force) { 6953 return performDexOptTraced(packageName, instructionSet, useProfiles, extractOnly, force); 6954 } 6955 6956 private boolean performDexOptTraced(String packageName, String instructionSet, 6957 boolean useProfiles, boolean extractOnly, boolean force) { 6958 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6959 try { 6960 return performDexOptInternal(packageName, instructionSet, useProfiles, extractOnly, 6961 force); 6962 } finally { 6963 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6964 } 6965 } 6966 6967 private boolean performDexOptInternal(String packageName, String instructionSet, 6968 boolean useProfiles, boolean extractOnly, boolean force) { 6969 PackageParser.Package p; 6970 final String targetInstructionSet; 6971 synchronized (mPackages) { 6972 p = mPackages.get(packageName); 6973 if (p == null) { 6974 return false; 6975 } 6976 mPackageUsage.write(false); 6977 6978 targetInstructionSet = instructionSet != null ? instructionSet : 6979 getPrimaryInstructionSet(p.applicationInfo); 6980 } 6981 long callingId = Binder.clearCallingIdentity(); 6982 try { 6983 synchronized (mInstallLock) { 6984 final String[] instructionSets = new String[] { targetInstructionSet }; 6985 int result = performDexOptInternalWithDependenciesLI(p, instructionSets, 6986 useProfiles, extractOnly, force); 6987 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6988 } 6989 } finally { 6990 Binder.restoreCallingIdentity(callingId); 6991 } 6992 } 6993 6994 public ArraySet<String> getOptimizablePackages() { 6995 ArraySet<String> pkgs = new ArraySet<String>(); 6996 synchronized (mPackages) { 6997 for (PackageParser.Package p : mPackages.values()) { 6998 if (PackageDexOptimizer.canOptimizePackage(p)) { 6999 pkgs.add(p.packageName); 7000 } 7001 } 7002 } 7003 return pkgs; 7004 } 7005 7006 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 7007 String instructionSets[], boolean useProfiles, boolean extractOnly, boolean force) { 7008 // Select the dex optimizer based on the force parameter. 7009 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 7010 // allocate an object here. 7011 PackageDexOptimizer pdo = force 7012 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 7013 : mPackageDexOptimizer; 7014 7015 // Optimize all dependencies first. Note: we ignore the return value and march on 7016 // on errors. 7017 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 7018 if (!deps.isEmpty()) { 7019 for (PackageParser.Package depPackage : deps) { 7020 // TODO: Analyze and investigate if we (should) profile libraries. 7021 // Currently this will do a full compilation of the library. 7022 pdo.performDexOpt(depPackage, instructionSets, false /* useProfiles */, 7023 false /* extractOnly */); 7024 } 7025 } 7026 7027 return pdo.performDexOpt(p, instructionSets, useProfiles, extractOnly); 7028 } 7029 7030 Collection<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 7031 if (p.usesLibraries != null || p.usesOptionalLibraries != null) { 7032 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 7033 Set<String> collectedNames = new HashSet<>(); 7034 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 7035 7036 retValue.remove(p); 7037 7038 return retValue; 7039 } else { 7040 return Collections.emptyList(); 7041 } 7042 } 7043 7044 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 7045 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7046 if (!collectedNames.contains(p.packageName)) { 7047 collectedNames.add(p.packageName); 7048 collected.add(p); 7049 7050 if (p.usesLibraries != null) { 7051 findSharedNonSystemLibrariesRecursive(p.usesLibraries, collected, collectedNames); 7052 } 7053 if (p.usesOptionalLibraries != null) { 7054 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, collected, 7055 collectedNames); 7056 } 7057 } 7058 } 7059 7060 private void findSharedNonSystemLibrariesRecursive(Collection<String> libs, 7061 Collection<PackageParser.Package> collected, Set<String> collectedNames) { 7062 for (String libName : libs) { 7063 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName); 7064 if (libPkg != null) { 7065 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 7066 } 7067 } 7068 } 7069 7070 private PackageParser.Package findSharedNonSystemLibrary(String libName) { 7071 synchronized (mPackages) { 7072 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 7073 if (lib != null && lib.apk != null) { 7074 return mPackages.get(lib.apk); 7075 } 7076 } 7077 return null; 7078 } 7079 7080 public void shutdown() { 7081 mPackageUsage.write(true); 7082 } 7083 7084 @Override 7085 public void forceDexOpt(String packageName) { 7086 enforceSystemOrRoot("forceDexOpt"); 7087 7088 PackageParser.Package pkg; 7089 synchronized (mPackages) { 7090 pkg = mPackages.get(packageName); 7091 if (pkg == null) { 7092 throw new IllegalArgumentException("Unknown package: " + packageName); 7093 } 7094 } 7095 7096 synchronized (mInstallLock) { 7097 final String[] instructionSets = new String[] { 7098 getPrimaryInstructionSet(pkg.applicationInfo) }; 7099 7100 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 7101 7102 // Whoever is calling forceDexOpt wants a fully compiled package. 7103 // Don't use profiles since that may cause compilation to be skipped. 7104 final int res = performDexOptInternalWithDependenciesLI(pkg, instructionSets, 7105 false /* useProfiles */, false /* extractOnly */, true /* force */); 7106 7107 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7108 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 7109 throw new IllegalStateException("Failed to dexopt: " + res); 7110 } 7111 } 7112 } 7113 7114 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 7115 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 7116 Slog.w(TAG, "Unable to update from " + oldPkg.name 7117 + " to " + newPkg.packageName 7118 + ": old package not in system partition"); 7119 return false; 7120 } else if (mPackages.get(oldPkg.name) != null) { 7121 Slog.w(TAG, "Unable to update from " + oldPkg.name 7122 + " to " + newPkg.packageName 7123 + ": old package still exists"); 7124 return false; 7125 } 7126 return true; 7127 } 7128 7129 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 7130 // TODO: triage flags as part of 26466827 7131 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7132 7133 boolean res = true; 7134 final int[] users = sUserManager.getUserIds(); 7135 for (int user : users) { 7136 try { 7137 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 7138 } catch (InstallerException e) { 7139 Slog.w(TAG, "Failed to delete data directory", e); 7140 res = false; 7141 } 7142 } 7143 return res; 7144 } 7145 7146 void removeCodePathLI(File codePath) { 7147 if (codePath.isDirectory()) { 7148 try { 7149 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 7150 } catch (InstallerException e) { 7151 Slog.w(TAG, "Failed to remove code path", e); 7152 } 7153 } else { 7154 codePath.delete(); 7155 } 7156 } 7157 7158 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 7159 try { 7160 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 7161 } catch (InstallerException e) { 7162 Slog.w(TAG, "Failed to destroy app data", e); 7163 } 7164 } 7165 7166 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 7167 int appId, String seinfo) { 7168 try { 7169 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 7170 } catch (InstallerException e) { 7171 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 7172 } 7173 } 7174 7175 private void deleteProfilesLI(String packageName, boolean destroy) { 7176 final PackageParser.Package pkg; 7177 synchronized (mPackages) { 7178 pkg = mPackages.get(packageName); 7179 } 7180 if (pkg == null) { 7181 Slog.w(TAG, "Failed to delete profiles. No package: " + packageName); 7182 return; 7183 } 7184 deleteProfilesLI(pkg, destroy); 7185 } 7186 7187 private void deleteProfilesLI(PackageParser.Package pkg, boolean destroy) { 7188 try { 7189 if (destroy) { 7190 mInstaller.clearAppProfiles(pkg.packageName); 7191 } else { 7192 mInstaller.destroyAppProfiles(pkg.packageName); 7193 } 7194 } catch (InstallerException ex) { 7195 Log.e(TAG, "Could not delete profiles for package " + pkg.packageName); 7196 } 7197 } 7198 7199 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 7200 final PackageParser.Package pkg; 7201 synchronized (mPackages) { 7202 pkg = mPackages.get(packageName); 7203 } 7204 if (pkg == null) { 7205 Slog.w(TAG, "Failed to delete code cache directory. No package: " + packageName); 7206 return; 7207 } 7208 deleteCodeCacheDirsLI(pkg); 7209 } 7210 7211 private void deleteCodeCacheDirsLI(PackageParser.Package pkg) { 7212 // TODO: triage flags as part of 26466827 7213 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 7214 7215 int[] users = sUserManager.getUserIds(); 7216 int res = 0; 7217 for (int user : users) { 7218 // Remove the parent code cache 7219 try { 7220 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, user, 7221 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7222 } catch (InstallerException e) { 7223 Slog.w(TAG, "Failed to delete code cache directory", e); 7224 } 7225 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7226 for (int i = 0; i < childCount; i++) { 7227 PackageParser.Package childPkg = pkg.childPackages.get(i); 7228 // Remove the child code cache 7229 try { 7230 mInstaller.clearAppData(childPkg.volumeUuid, childPkg.packageName, 7231 user, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 7232 } catch (InstallerException e) { 7233 Slog.w(TAG, "Failed to delete code cache directory", e); 7234 } 7235 } 7236 } 7237 } 7238 7239 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 7240 long lastUpdateTime) { 7241 // Set parent install/update time 7242 PackageSetting ps = (PackageSetting) pkg.mExtras; 7243 if (ps != null) { 7244 ps.firstInstallTime = firstInstallTime; 7245 ps.lastUpdateTime = lastUpdateTime; 7246 } 7247 // Set children install/update time 7248 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7249 for (int i = 0; i < childCount; i++) { 7250 PackageParser.Package childPkg = pkg.childPackages.get(i); 7251 ps = (PackageSetting) childPkg.mExtras; 7252 if (ps != null) { 7253 ps.firstInstallTime = firstInstallTime; 7254 ps.lastUpdateTime = lastUpdateTime; 7255 } 7256 } 7257 } 7258 7259 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 7260 PackageParser.Package changingLib) { 7261 if (file.path != null) { 7262 usesLibraryFiles.add(file.path); 7263 return; 7264 } 7265 PackageParser.Package p = mPackages.get(file.apk); 7266 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 7267 // If we are doing this while in the middle of updating a library apk, 7268 // then we need to make sure to use that new apk for determining the 7269 // dependencies here. (We haven't yet finished committing the new apk 7270 // to the package manager state.) 7271 if (p == null || p.packageName.equals(changingLib.packageName)) { 7272 p = changingLib; 7273 } 7274 } 7275 if (p != null) { 7276 usesLibraryFiles.addAll(p.getAllCodePaths()); 7277 } 7278 } 7279 7280 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 7281 PackageParser.Package changingLib) throws PackageManagerException { 7282 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 7283 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 7284 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 7285 for (int i=0; i<N; i++) { 7286 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 7287 if (file == null) { 7288 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 7289 "Package " + pkg.packageName + " requires unavailable shared library " 7290 + pkg.usesLibraries.get(i) + "; failing!"); 7291 } 7292 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7293 } 7294 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 7295 for (int i=0; i<N; i++) { 7296 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 7297 if (file == null) { 7298 Slog.w(TAG, "Package " + pkg.packageName 7299 + " desires unavailable shared library " 7300 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 7301 } else { 7302 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 7303 } 7304 } 7305 N = usesLibraryFiles.size(); 7306 if (N > 0) { 7307 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 7308 } else { 7309 pkg.usesLibraryFiles = null; 7310 } 7311 } 7312 } 7313 7314 private static boolean hasString(List<String> list, List<String> which) { 7315 if (list == null) { 7316 return false; 7317 } 7318 for (int i=list.size()-1; i>=0; i--) { 7319 for (int j=which.size()-1; j>=0; j--) { 7320 if (which.get(j).equals(list.get(i))) { 7321 return true; 7322 } 7323 } 7324 } 7325 return false; 7326 } 7327 7328 private void updateAllSharedLibrariesLPw() { 7329 for (PackageParser.Package pkg : mPackages.values()) { 7330 try { 7331 updateSharedLibrariesLPw(pkg, null); 7332 } catch (PackageManagerException e) { 7333 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7334 } 7335 } 7336 } 7337 7338 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 7339 PackageParser.Package changingPkg) { 7340 ArrayList<PackageParser.Package> res = null; 7341 for (PackageParser.Package pkg : mPackages.values()) { 7342 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 7343 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 7344 if (res == null) { 7345 res = new ArrayList<PackageParser.Package>(); 7346 } 7347 res.add(pkg); 7348 try { 7349 updateSharedLibrariesLPw(pkg, changingPkg); 7350 } catch (PackageManagerException e) { 7351 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 7352 } 7353 } 7354 } 7355 return res; 7356 } 7357 7358 /** 7359 * Derive the value of the {@code cpuAbiOverride} based on the provided 7360 * value and an optional stored value from the package settings. 7361 */ 7362 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 7363 String cpuAbiOverride = null; 7364 7365 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 7366 cpuAbiOverride = null; 7367 } else if (abiOverride != null) { 7368 cpuAbiOverride = abiOverride; 7369 } else if (settings != null) { 7370 cpuAbiOverride = settings.cpuAbiOverrideString; 7371 } 7372 7373 return cpuAbiOverride; 7374 } 7375 7376 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 7377 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7378 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 7379 // If the package has children and this is the first dive in the function 7380 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 7381 // whether all packages (parent and children) would be successfully scanned 7382 // before the actual scan since scanning mutates internal state and we want 7383 // to atomically install the package and its children. 7384 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7385 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 7386 scanFlags |= SCAN_CHECK_ONLY; 7387 } 7388 } else { 7389 scanFlags &= ~SCAN_CHECK_ONLY; 7390 } 7391 7392 final PackageParser.Package scannedPkg; 7393 try { 7394 // Scan the parent 7395 scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 7396 // Scan the children 7397 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 7398 for (int i = 0; i < childCount; i++) { 7399 PackageParser.Package childPkg = pkg.childPackages.get(i); 7400 scanPackageLI(childPkg, parseFlags, 7401 scanFlags, currentTime, user); 7402 } 7403 } finally { 7404 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7405 } 7406 7407 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7408 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 7409 } 7410 7411 return scannedPkg; 7412 } 7413 7414 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 7415 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7416 boolean success = false; 7417 try { 7418 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 7419 currentTime, user); 7420 success = true; 7421 return res; 7422 } finally { 7423 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 7424 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 7425 } 7426 } 7427 } 7428 7429 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 7430 int scanFlags, long currentTime, UserHandle user) 7431 throws PackageManagerException { 7432 final File scanFile = new File(pkg.codePath); 7433 if (pkg.applicationInfo.getCodePath() == null || 7434 pkg.applicationInfo.getResourcePath() == null) { 7435 // Bail out. The resource and code paths haven't been set. 7436 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 7437 "Code and resource paths haven't been set correctly"); 7438 } 7439 7440 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 7441 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 7442 } else { 7443 // Only allow system apps to be flagged as core apps. 7444 pkg.coreApp = false; 7445 } 7446 7447 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 7448 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 7449 } 7450 7451 if (mCustomResolverComponentName != null && 7452 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 7453 setUpCustomResolverActivity(pkg); 7454 } 7455 7456 if (pkg.packageName.equals("android")) { 7457 synchronized (mPackages) { 7458 if (mAndroidApplication != null) { 7459 Slog.w(TAG, "*************************************************"); 7460 Slog.w(TAG, "Core android package being redefined. Skipping."); 7461 Slog.w(TAG, " file=" + scanFile); 7462 Slog.w(TAG, "*************************************************"); 7463 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7464 "Core android package being redefined. Skipping."); 7465 } 7466 7467 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7468 // Set up information for our fall-back user intent resolution activity. 7469 mPlatformPackage = pkg; 7470 pkg.mVersionCode = mSdkVersion; 7471 mAndroidApplication = pkg.applicationInfo; 7472 7473 if (!mResolverReplaced) { 7474 mResolveActivity.applicationInfo = mAndroidApplication; 7475 mResolveActivity.name = ResolverActivity.class.getName(); 7476 mResolveActivity.packageName = mAndroidApplication.packageName; 7477 mResolveActivity.processName = "system:ui"; 7478 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 7479 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 7480 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 7481 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 7482 mResolveActivity.exported = true; 7483 mResolveActivity.enabled = true; 7484 mResolveInfo.activityInfo = mResolveActivity; 7485 mResolveInfo.priority = 0; 7486 mResolveInfo.preferredOrder = 0; 7487 mResolveInfo.match = 0; 7488 mResolveComponentName = new ComponentName( 7489 mAndroidApplication.packageName, mResolveActivity.name); 7490 } 7491 } 7492 } 7493 } 7494 7495 if (DEBUG_PACKAGE_SCANNING) { 7496 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7497 Log.d(TAG, "Scanning package " + pkg.packageName); 7498 } 7499 7500 synchronized (mPackages) { 7501 if (mPackages.containsKey(pkg.packageName) 7502 || mSharedLibraries.containsKey(pkg.packageName)) { 7503 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7504 "Application package " + pkg.packageName 7505 + " already installed. Skipping duplicate."); 7506 } 7507 7508 // If we're only installing presumed-existing packages, require that the 7509 // scanned APK is both already known and at the path previously established 7510 // for it. Previously unknown packages we pick up normally, but if we have an 7511 // a priori expectation about this package's install presence, enforce it. 7512 // With a singular exception for new system packages. When an OTA contains 7513 // a new system package, we allow the codepath to change from a system location 7514 // to the user-installed location. If we don't allow this change, any newer, 7515 // user-installed version of the application will be ignored. 7516 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7517 if (mExpectingBetter.containsKey(pkg.packageName)) { 7518 logCriticalInfo(Log.WARN, 7519 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7520 } else { 7521 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7522 if (known != null) { 7523 if (DEBUG_PACKAGE_SCANNING) { 7524 Log.d(TAG, "Examining " + pkg.codePath 7525 + " and requiring known paths " + known.codePathString 7526 + " & " + known.resourcePathString); 7527 } 7528 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7529 || !pkg.applicationInfo.getResourcePath().equals( 7530 known.resourcePathString)) { 7531 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7532 "Application package " + pkg.packageName 7533 + " found at " + pkg.applicationInfo.getCodePath() 7534 + " but expected at " + known.codePathString 7535 + "; ignoring."); 7536 } 7537 } 7538 } 7539 } 7540 } 7541 7542 // Initialize package source and resource directories 7543 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7544 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7545 7546 SharedUserSetting suid = null; 7547 PackageSetting pkgSetting = null; 7548 7549 if (!isSystemApp(pkg)) { 7550 // Only system apps can use these features. 7551 pkg.mOriginalPackages = null; 7552 pkg.mRealPackage = null; 7553 pkg.mAdoptPermissions = null; 7554 } 7555 7556 // Getting the package setting may have a side-effect, so if we 7557 // are only checking if scan would succeed, stash a copy of the 7558 // old setting to restore at the end. 7559 PackageSetting nonMutatedPs = null; 7560 7561 // writer 7562 synchronized (mPackages) { 7563 if (pkg.mSharedUserId != null) { 7564 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7565 if (suid == null) { 7566 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7567 "Creating application package " + pkg.packageName 7568 + " for shared user failed"); 7569 } 7570 if (DEBUG_PACKAGE_SCANNING) { 7571 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7572 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7573 + "): packages=" + suid.packages); 7574 } 7575 } 7576 7577 // Check if we are renaming from an original package name. 7578 PackageSetting origPackage = null; 7579 String realName = null; 7580 if (pkg.mOriginalPackages != null) { 7581 // This package may need to be renamed to a previously 7582 // installed name. Let's check on that... 7583 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7584 if (pkg.mOriginalPackages.contains(renamed)) { 7585 // This package had originally been installed as the 7586 // original name, and we have already taken care of 7587 // transitioning to the new one. Just update the new 7588 // one to continue using the old name. 7589 realName = pkg.mRealPackage; 7590 if (!pkg.packageName.equals(renamed)) { 7591 // Callers into this function may have already taken 7592 // care of renaming the package; only do it here if 7593 // it is not already done. 7594 pkg.setPackageName(renamed); 7595 } 7596 7597 } else { 7598 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7599 if ((origPackage = mSettings.peekPackageLPr( 7600 pkg.mOriginalPackages.get(i))) != null) { 7601 // We do have the package already installed under its 7602 // original name... should we use it? 7603 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7604 // New package is not compatible with original. 7605 origPackage = null; 7606 continue; 7607 } else if (origPackage.sharedUser != null) { 7608 // Make sure uid is compatible between packages. 7609 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7610 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7611 + " to " + pkg.packageName + ": old uid " 7612 + origPackage.sharedUser.name 7613 + " differs from " + pkg.mSharedUserId); 7614 origPackage = null; 7615 continue; 7616 } 7617 } else { 7618 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7619 + pkg.packageName + " to old name " + origPackage.name); 7620 } 7621 break; 7622 } 7623 } 7624 } 7625 } 7626 7627 if (mTransferedPackages.contains(pkg.packageName)) { 7628 Slog.w(TAG, "Package " + pkg.packageName 7629 + " was transferred to another, but its .apk remains"); 7630 } 7631 7632 // See comments in nonMutatedPs declaration 7633 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7634 PackageSetting foundPs = mSettings.peekPackageLPr(pkg.packageName); 7635 if (foundPs != null) { 7636 nonMutatedPs = new PackageSetting(foundPs); 7637 } 7638 } 7639 7640 // Just create the setting, don't add it yet. For already existing packages 7641 // the PkgSetting exists already and doesn't have to be created. 7642 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7643 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7644 pkg.applicationInfo.primaryCpuAbi, 7645 pkg.applicationInfo.secondaryCpuAbi, 7646 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7647 user, false); 7648 if (pkgSetting == null) { 7649 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7650 "Creating application package " + pkg.packageName + " failed"); 7651 } 7652 7653 if (pkgSetting.origPackage != null) { 7654 // If we are first transitioning from an original package, 7655 // fix up the new package's name now. We need to do this after 7656 // looking up the package under its new name, so getPackageLP 7657 // can take care of fiddling things correctly. 7658 pkg.setPackageName(origPackage.name); 7659 7660 // File a report about this. 7661 String msg = "New package " + pkgSetting.realName 7662 + " renamed to replace old package " + pkgSetting.name; 7663 reportSettingsProblem(Log.WARN, msg); 7664 7665 // Make a note of it. 7666 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 7667 mTransferedPackages.add(origPackage.name); 7668 } 7669 7670 // No longer need to retain this. 7671 pkgSetting.origPackage = null; 7672 } 7673 7674 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 7675 // Make a note of it. 7676 mTransferedPackages.add(pkg.packageName); 7677 } 7678 7679 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7680 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7681 } 7682 7683 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7684 // Check all shared libraries and map to their actual file path. 7685 // We only do this here for apps not on a system dir, because those 7686 // are the only ones that can fail an install due to this. We 7687 // will take care of the system apps by updating all of their 7688 // library paths after the scan is done. 7689 updateSharedLibrariesLPw(pkg, null); 7690 } 7691 7692 if (mFoundPolicyFile) { 7693 SELinuxMMAC.assignSeinfoValue(pkg); 7694 } 7695 7696 pkg.applicationInfo.uid = pkgSetting.appId; 7697 pkg.mExtras = pkgSetting; 7698 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7699 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7700 // We just determined the app is signed correctly, so bring 7701 // over the latest parsed certs. 7702 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7703 } else { 7704 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7705 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7706 "Package " + pkg.packageName + " upgrade keys do not match the " 7707 + "previously installed version"); 7708 } else { 7709 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7710 String msg = "System package " + pkg.packageName 7711 + " signature changed; retaining data."; 7712 reportSettingsProblem(Log.WARN, msg); 7713 } 7714 } 7715 } else { 7716 try { 7717 verifySignaturesLP(pkgSetting, pkg); 7718 // We just determined the app is signed correctly, so bring 7719 // over the latest parsed certs. 7720 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7721 } catch (PackageManagerException e) { 7722 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7723 throw e; 7724 } 7725 // The signature has changed, but this package is in the system 7726 // image... let's recover! 7727 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7728 // However... if this package is part of a shared user, but it 7729 // doesn't match the signature of the shared user, let's fail. 7730 // What this means is that you can't change the signatures 7731 // associated with an overall shared user, which doesn't seem all 7732 // that unreasonable. 7733 if (pkgSetting.sharedUser != null) { 7734 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7735 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7736 throw new PackageManagerException( 7737 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7738 "Signature mismatch for shared user: " 7739 + pkgSetting.sharedUser); 7740 } 7741 } 7742 // File a report about this. 7743 String msg = "System package " + pkg.packageName 7744 + " signature changed; retaining data."; 7745 reportSettingsProblem(Log.WARN, msg); 7746 } 7747 } 7748 // Verify that this new package doesn't have any content providers 7749 // that conflict with existing packages. Only do this if the 7750 // package isn't already installed, since we don't want to break 7751 // things that are installed. 7752 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7753 final int N = pkg.providers.size(); 7754 int i; 7755 for (i=0; i<N; i++) { 7756 PackageParser.Provider p = pkg.providers.get(i); 7757 if (p.info.authority != null) { 7758 String names[] = p.info.authority.split(";"); 7759 for (int j = 0; j < names.length; j++) { 7760 if (mProvidersByAuthority.containsKey(names[j])) { 7761 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7762 final String otherPackageName = 7763 ((other != null && other.getComponentName() != null) ? 7764 other.getComponentName().getPackageName() : "?"); 7765 throw new PackageManagerException( 7766 INSTALL_FAILED_CONFLICTING_PROVIDER, 7767 "Can't install because provider name " + names[j] 7768 + " (in package " + pkg.applicationInfo.packageName 7769 + ") is already used by " + otherPackageName); 7770 } 7771 } 7772 } 7773 } 7774 } 7775 7776 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 7777 // This package wants to adopt ownership of permissions from 7778 // another package. 7779 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7780 final String origName = pkg.mAdoptPermissions.get(i); 7781 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7782 if (orig != null) { 7783 if (verifyPackageUpdateLPr(orig, pkg)) { 7784 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7785 + pkg.packageName); 7786 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7787 } 7788 } 7789 } 7790 } 7791 } 7792 7793 final String pkgName = pkg.packageName; 7794 7795 final long scanFileTime = scanFile.lastModified(); 7796 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7797 pkg.applicationInfo.processName = fixProcessName( 7798 pkg.applicationInfo.packageName, 7799 pkg.applicationInfo.processName, 7800 pkg.applicationInfo.uid); 7801 7802 if (pkg != mPlatformPackage) { 7803 // Get all of our default paths setup 7804 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7805 } 7806 7807 final String path = scanFile.getPath(); 7808 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7809 7810 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7811 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7812 7813 // Some system apps still use directory structure for native libraries 7814 // in which case we might end up not detecting abi solely based on apk 7815 // structure. Try to detect abi based on directory structure. 7816 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7817 pkg.applicationInfo.primaryCpuAbi == null) { 7818 setBundledAppAbisAndRoots(pkg, pkgSetting); 7819 setNativeLibraryPaths(pkg); 7820 } 7821 7822 } else { 7823 if ((scanFlags & SCAN_MOVE) != 0) { 7824 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7825 // but we already have this packages package info in the PackageSetting. We just 7826 // use that and derive the native library path based on the new codepath. 7827 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7828 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7829 } 7830 7831 // Set native library paths again. For moves, the path will be updated based on the 7832 // ABIs we've determined above. For non-moves, the path will be updated based on the 7833 // ABIs we determined during compilation, but the path will depend on the final 7834 // package path (after the rename away from the stage path). 7835 setNativeLibraryPaths(pkg); 7836 } 7837 7838 // This is a special case for the "system" package, where the ABI is 7839 // dictated by the zygote configuration (and init.rc). We should keep track 7840 // of this ABI so that we can deal with "normal" applications that run under 7841 // the same UID correctly. 7842 if (mPlatformPackage == pkg) { 7843 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7844 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7845 } 7846 7847 // If there's a mismatch between the abi-override in the package setting 7848 // and the abiOverride specified for the install. Warn about this because we 7849 // would've already compiled the app without taking the package setting into 7850 // account. 7851 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7852 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7853 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7854 " for package " + pkg.packageName); 7855 } 7856 } 7857 7858 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7859 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7860 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7861 7862 // Copy the derived override back to the parsed package, so that we can 7863 // update the package settings accordingly. 7864 pkg.cpuAbiOverride = cpuAbiOverride; 7865 7866 if (DEBUG_ABI_SELECTION) { 7867 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7868 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7869 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7870 } 7871 7872 // Push the derived path down into PackageSettings so we know what to 7873 // clean up at uninstall time. 7874 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7875 7876 if (DEBUG_ABI_SELECTION) { 7877 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7878 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7879 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7880 } 7881 7882 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7883 // We don't do this here during boot because we can do it all 7884 // at once after scanning all existing packages. 7885 // 7886 // We also do this *before* we perform dexopt on this package, so that 7887 // we can avoid redundant dexopts, and also to make sure we've got the 7888 // code and package path correct. 7889 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7890 pkg, true /* boot complete */); 7891 } 7892 7893 if (mFactoryTest && pkg.requestedPermissions.contains( 7894 android.Manifest.permission.FACTORY_TEST)) { 7895 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7896 } 7897 7898 ArrayList<PackageParser.Package> clientLibPkgs = null; 7899 7900 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 7901 if (nonMutatedPs != null) { 7902 synchronized (mPackages) { 7903 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 7904 } 7905 } 7906 return pkg; 7907 } 7908 7909 // Only privileged apps and updated privileged apps can add child packages. 7910 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 7911 if ((parseFlags & PARSE_IS_PRIVILEGED) == 0) { 7912 throw new PackageManagerException("Only privileged apps and updated " 7913 + "privileged apps can add child packages. Ignoring package " 7914 + pkg.packageName); 7915 } 7916 final int childCount = pkg.childPackages.size(); 7917 for (int i = 0; i < childCount; i++) { 7918 PackageParser.Package childPkg = pkg.childPackages.get(i); 7919 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 7920 childPkg.packageName)) { 7921 throw new PackageManagerException("Cannot override a child package of " 7922 + "another disabled system app. Ignoring package " + pkg.packageName); 7923 } 7924 } 7925 } 7926 7927 // writer 7928 synchronized (mPackages) { 7929 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7930 // Only system apps can add new shared libraries. 7931 if (pkg.libraryNames != null) { 7932 for (int i=0; i<pkg.libraryNames.size(); i++) { 7933 String name = pkg.libraryNames.get(i); 7934 boolean allowed = false; 7935 if (pkg.isUpdatedSystemApp()) { 7936 // New library entries can only be added through the 7937 // system image. This is important to get rid of a lot 7938 // of nasty edge cases: for example if we allowed a non- 7939 // system update of the app to add a library, then uninstalling 7940 // the update would make the library go away, and assumptions 7941 // we made such as through app install filtering would now 7942 // have allowed apps on the device which aren't compatible 7943 // with it. Better to just have the restriction here, be 7944 // conservative, and create many fewer cases that can negatively 7945 // impact the user experience. 7946 final PackageSetting sysPs = mSettings 7947 .getDisabledSystemPkgLPr(pkg.packageName); 7948 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7949 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7950 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7951 allowed = true; 7952 break; 7953 } 7954 } 7955 } 7956 } else { 7957 allowed = true; 7958 } 7959 if (allowed) { 7960 if (!mSharedLibraries.containsKey(name)) { 7961 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7962 } else if (!name.equals(pkg.packageName)) { 7963 Slog.w(TAG, "Package " + pkg.packageName + " library " 7964 + name + " already exists; skipping"); 7965 } 7966 } else { 7967 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7968 + name + " that is not declared on system image; skipping"); 7969 } 7970 } 7971 if ((scanFlags & SCAN_BOOTING) == 0) { 7972 // If we are not booting, we need to update any applications 7973 // that are clients of our shared library. If we are booting, 7974 // this will all be done once the scan is complete. 7975 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7976 } 7977 } 7978 } 7979 } 7980 7981 // Request the ActivityManager to kill the process(only for existing packages) 7982 // so that we do not end up in a confused state while the user is still using the older 7983 // version of the application while the new one gets installed. 7984 final boolean isReplacing = (scanFlags & SCAN_REPLACING) != 0; 7985 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 7986 if (killApp) { 7987 if (isReplacing) { 7988 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7989 7990 killApplication(pkg.applicationInfo.packageName, 7991 pkg.applicationInfo.uid, "replace pkg"); 7992 7993 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7994 } 7995 } 7996 7997 // Also need to kill any apps that are dependent on the library. 7998 if (clientLibPkgs != null) { 7999 for (int i=0; i<clientLibPkgs.size(); i++) { 8000 PackageParser.Package clientPkg = clientLibPkgs.get(i); 8001 killApplication(clientPkg.applicationInfo.packageName, 8002 clientPkg.applicationInfo.uid, "update lib"); 8003 } 8004 } 8005 8006 // Make sure we're not adding any bogus keyset info 8007 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8008 ksms.assertScannedPackageValid(pkg); 8009 8010 // writer 8011 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 8012 8013 boolean createIdmapFailed = false; 8014 synchronized (mPackages) { 8015 // We don't expect installation to fail beyond this point 8016 8017 // Add the new setting to mSettings 8018 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 8019 // Add the new setting to mPackages 8020 mPackages.put(pkg.applicationInfo.packageName, pkg); 8021 // Make sure we don't accidentally delete its data. 8022 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 8023 while (iter.hasNext()) { 8024 PackageCleanItem item = iter.next(); 8025 if (pkgName.equals(item.packageName)) { 8026 iter.remove(); 8027 } 8028 } 8029 8030 // Take care of first install / last update times. 8031 if (currentTime != 0) { 8032 if (pkgSetting.firstInstallTime == 0) { 8033 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 8034 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 8035 pkgSetting.lastUpdateTime = currentTime; 8036 } 8037 } else if (pkgSetting.firstInstallTime == 0) { 8038 // We need *something*. Take time time stamp of the file. 8039 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 8040 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 8041 if (scanFileTime != pkgSetting.timeStamp) { 8042 // A package on the system image has changed; consider this 8043 // to be an update. 8044 pkgSetting.lastUpdateTime = scanFileTime; 8045 } 8046 } 8047 8048 // Add the package's KeySets to the global KeySetManagerService 8049 ksms.addScannedPackageLPw(pkg); 8050 8051 int N = pkg.providers.size(); 8052 StringBuilder r = null; 8053 int i; 8054 for (i=0; i<N; i++) { 8055 PackageParser.Provider p = pkg.providers.get(i); 8056 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 8057 p.info.processName, pkg.applicationInfo.uid); 8058 mProviders.addProvider(p); 8059 p.syncable = p.info.isSyncable; 8060 if (p.info.authority != null) { 8061 String names[] = p.info.authority.split(";"); 8062 p.info.authority = null; 8063 for (int j = 0; j < names.length; j++) { 8064 if (j == 1 && p.syncable) { 8065 // We only want the first authority for a provider to possibly be 8066 // syncable, so if we already added this provider using a different 8067 // authority clear the syncable flag. We copy the provider before 8068 // changing it because the mProviders object contains a reference 8069 // to a provider that we don't want to change. 8070 // Only do this for the second authority since the resulting provider 8071 // object can be the same for all future authorities for this provider. 8072 p = new PackageParser.Provider(p); 8073 p.syncable = false; 8074 } 8075 if (!mProvidersByAuthority.containsKey(names[j])) { 8076 mProvidersByAuthority.put(names[j], p); 8077 if (p.info.authority == null) { 8078 p.info.authority = names[j]; 8079 } else { 8080 p.info.authority = p.info.authority + ";" + names[j]; 8081 } 8082 if (DEBUG_PACKAGE_SCANNING) { 8083 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 8084 Log.d(TAG, "Registered content provider: " + names[j] 8085 + ", className = " + p.info.name + ", isSyncable = " 8086 + p.info.isSyncable); 8087 } 8088 } else { 8089 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 8090 Slog.w(TAG, "Skipping provider name " + names[j] + 8091 " (in package " + pkg.applicationInfo.packageName + 8092 "): name already used by " 8093 + ((other != null && other.getComponentName() != null) 8094 ? other.getComponentName().getPackageName() : "?")); 8095 } 8096 } 8097 } 8098 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8099 if (r == null) { 8100 r = new StringBuilder(256); 8101 } else { 8102 r.append(' '); 8103 } 8104 r.append(p.info.name); 8105 } 8106 } 8107 if (r != null) { 8108 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 8109 } 8110 8111 N = pkg.services.size(); 8112 r = null; 8113 for (i=0; i<N; i++) { 8114 PackageParser.Service s = pkg.services.get(i); 8115 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 8116 s.info.processName, pkg.applicationInfo.uid); 8117 mServices.addService(s); 8118 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8119 if (r == null) { 8120 r = new StringBuilder(256); 8121 } else { 8122 r.append(' '); 8123 } 8124 r.append(s.info.name); 8125 } 8126 } 8127 if (r != null) { 8128 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 8129 } 8130 8131 N = pkg.receivers.size(); 8132 r = null; 8133 for (i=0; i<N; i++) { 8134 PackageParser.Activity a = pkg.receivers.get(i); 8135 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8136 a.info.processName, pkg.applicationInfo.uid); 8137 mReceivers.addActivity(a, "receiver"); 8138 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8139 if (r == null) { 8140 r = new StringBuilder(256); 8141 } else { 8142 r.append(' '); 8143 } 8144 r.append(a.info.name); 8145 } 8146 } 8147 if (r != null) { 8148 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 8149 } 8150 8151 N = pkg.activities.size(); 8152 r = null; 8153 for (i=0; i<N; i++) { 8154 PackageParser.Activity a = pkg.activities.get(i); 8155 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 8156 a.info.processName, pkg.applicationInfo.uid); 8157 mActivities.addActivity(a, "activity"); 8158 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8159 if (r == null) { 8160 r = new StringBuilder(256); 8161 } else { 8162 r.append(' '); 8163 } 8164 r.append(a.info.name); 8165 } 8166 } 8167 if (r != null) { 8168 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 8169 } 8170 8171 N = pkg.permissionGroups.size(); 8172 r = null; 8173 for (i=0; i<N; i++) { 8174 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 8175 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 8176 if (cur == null) { 8177 mPermissionGroups.put(pg.info.name, pg); 8178 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8179 if (r == null) { 8180 r = new StringBuilder(256); 8181 } else { 8182 r.append(' '); 8183 } 8184 r.append(pg.info.name); 8185 } 8186 } else { 8187 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 8188 + pg.info.packageName + " ignored: original from " 8189 + cur.info.packageName); 8190 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8191 if (r == null) { 8192 r = new StringBuilder(256); 8193 } else { 8194 r.append(' '); 8195 } 8196 r.append("DUP:"); 8197 r.append(pg.info.name); 8198 } 8199 } 8200 } 8201 if (r != null) { 8202 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 8203 } 8204 8205 N = pkg.permissions.size(); 8206 r = null; 8207 for (i=0; i<N; i++) { 8208 PackageParser.Permission p = pkg.permissions.get(i); 8209 8210 // Assume by default that we did not install this permission into the system. 8211 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 8212 8213 // Now that permission groups have a special meaning, we ignore permission 8214 // groups for legacy apps to prevent unexpected behavior. In particular, 8215 // permissions for one app being granted to someone just becase they happen 8216 // to be in a group defined by another app (before this had no implications). 8217 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 8218 p.group = mPermissionGroups.get(p.info.group); 8219 // Warn for a permission in an unknown group. 8220 if (p.info.group != null && p.group == null) { 8221 Slog.w(TAG, "Permission " + p.info.name + " from package " 8222 + p.info.packageName + " in an unknown group " + p.info.group); 8223 } 8224 } 8225 8226 ArrayMap<String, BasePermission> permissionMap = 8227 p.tree ? mSettings.mPermissionTrees 8228 : mSettings.mPermissions; 8229 BasePermission bp = permissionMap.get(p.info.name); 8230 8231 // Allow system apps to redefine non-system permissions 8232 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 8233 final boolean currentOwnerIsSystem = (bp.perm != null 8234 && isSystemApp(bp.perm.owner)); 8235 if (isSystemApp(p.owner)) { 8236 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 8237 // It's a built-in permission and no owner, take ownership now 8238 bp.packageSetting = pkgSetting; 8239 bp.perm = p; 8240 bp.uid = pkg.applicationInfo.uid; 8241 bp.sourcePackage = p.info.packageName; 8242 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8243 } else if (!currentOwnerIsSystem) { 8244 String msg = "New decl " + p.owner + " of permission " 8245 + p.info.name + " is system; overriding " + bp.sourcePackage; 8246 reportSettingsProblem(Log.WARN, msg); 8247 bp = null; 8248 } 8249 } 8250 } 8251 8252 if (bp == null) { 8253 bp = new BasePermission(p.info.name, p.info.packageName, 8254 BasePermission.TYPE_NORMAL); 8255 permissionMap.put(p.info.name, bp); 8256 } 8257 8258 if (bp.perm == null) { 8259 if (bp.sourcePackage == null 8260 || bp.sourcePackage.equals(p.info.packageName)) { 8261 BasePermission tree = findPermissionTreeLP(p.info.name); 8262 if (tree == null 8263 || tree.sourcePackage.equals(p.info.packageName)) { 8264 bp.packageSetting = pkgSetting; 8265 bp.perm = p; 8266 bp.uid = pkg.applicationInfo.uid; 8267 bp.sourcePackage = p.info.packageName; 8268 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 8269 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8270 if (r == null) { 8271 r = new StringBuilder(256); 8272 } else { 8273 r.append(' '); 8274 } 8275 r.append(p.info.name); 8276 } 8277 } else { 8278 Slog.w(TAG, "Permission " + p.info.name + " from package " 8279 + p.info.packageName + " ignored: base tree " 8280 + tree.name + " is from package " 8281 + tree.sourcePackage); 8282 } 8283 } else { 8284 Slog.w(TAG, "Permission " + p.info.name + " from package " 8285 + p.info.packageName + " ignored: original from " 8286 + bp.sourcePackage); 8287 } 8288 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8289 if (r == null) { 8290 r = new StringBuilder(256); 8291 } else { 8292 r.append(' '); 8293 } 8294 r.append("DUP:"); 8295 r.append(p.info.name); 8296 } 8297 if (bp.perm == p) { 8298 bp.protectionLevel = p.info.protectionLevel; 8299 } 8300 } 8301 8302 if (r != null) { 8303 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 8304 } 8305 8306 N = pkg.instrumentation.size(); 8307 r = null; 8308 for (i=0; i<N; i++) { 8309 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8310 a.info.packageName = pkg.applicationInfo.packageName; 8311 a.info.sourceDir = pkg.applicationInfo.sourceDir; 8312 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 8313 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 8314 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 8315 a.info.dataDir = pkg.applicationInfo.dataDir; 8316 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 8317 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 8318 8319 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 8320 // need other information about the application, like the ABI and what not ? 8321 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 8322 mInstrumentation.put(a.getComponentName(), a); 8323 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 8324 if (r == null) { 8325 r = new StringBuilder(256); 8326 } else { 8327 r.append(' '); 8328 } 8329 r.append(a.info.name); 8330 } 8331 } 8332 if (r != null) { 8333 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 8334 } 8335 8336 if (pkg.protectedBroadcasts != null) { 8337 N = pkg.protectedBroadcasts.size(); 8338 for (i=0; i<N; i++) { 8339 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 8340 } 8341 } 8342 8343 pkgSetting.setTimeStamp(scanFileTime); 8344 8345 // Create idmap files for pairs of (packages, overlay packages). 8346 // Note: "android", ie framework-res.apk, is handled by native layers. 8347 if (pkg.mOverlayTarget != null) { 8348 // This is an overlay package. 8349 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 8350 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 8351 mOverlays.put(pkg.mOverlayTarget, 8352 new ArrayMap<String, PackageParser.Package>()); 8353 } 8354 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 8355 map.put(pkg.packageName, pkg); 8356 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 8357 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 8358 createIdmapFailed = true; 8359 } 8360 } 8361 } else if (mOverlays.containsKey(pkg.packageName) && 8362 !pkg.packageName.equals("android")) { 8363 // This is a regular package, with one or more known overlay packages. 8364 createIdmapsForPackageLI(pkg); 8365 } 8366 } 8367 8368 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8369 8370 if (createIdmapFailed) { 8371 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 8372 "scanPackageLI failed to createIdmap"); 8373 } 8374 return pkg; 8375 } 8376 8377 /** 8378 * Derive the ABI of a non-system package located at {@code scanFile}. This information 8379 * is derived purely on the basis of the contents of {@code scanFile} and 8380 * {@code cpuAbiOverride}. 8381 * 8382 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 8383 */ 8384 private void derivePackageAbi(PackageParser.Package pkg, File scanFile, 8385 String cpuAbiOverride, boolean extractLibs) 8386 throws PackageManagerException { 8387 // TODO: We can probably be smarter about this stuff. For installed apps, 8388 // we can calculate this information at install time once and for all. For 8389 // system apps, we can probably assume that this information doesn't change 8390 // after the first boot scan. As things stand, we do lots of unnecessary work. 8391 8392 // Give ourselves some initial paths; we'll come back for another 8393 // pass once we've determined ABI below. 8394 setNativeLibraryPaths(pkg); 8395 8396 // We would never need to extract libs for forward-locked and external packages, 8397 // since the container service will do it for us. We shouldn't attempt to 8398 // extract libs from system app when it was not updated. 8399 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 8400 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 8401 extractLibs = false; 8402 } 8403 8404 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 8405 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 8406 8407 NativeLibraryHelper.Handle handle = null; 8408 try { 8409 handle = NativeLibraryHelper.Handle.create(pkg); 8410 // TODO(multiArch): This can be null for apps that didn't go through the 8411 // usual installation process. We can calculate it again, like we 8412 // do during install time. 8413 // 8414 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8415 // unnecessary. 8416 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8417 8418 // Null out the abis so that they can be recalculated. 8419 pkg.applicationInfo.primaryCpuAbi = null; 8420 pkg.applicationInfo.secondaryCpuAbi = null; 8421 if (isMultiArch(pkg.applicationInfo)) { 8422 // Warn if we've set an abiOverride for multi-lib packages.. 8423 // By definition, we need to copy both 32 and 64 bit libraries for 8424 // such packages. 8425 if (pkg.cpuAbiOverride != null 8426 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8427 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8428 } 8429 8430 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8431 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8432 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8433 if (extractLibs) { 8434 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8435 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8436 useIsaSpecificSubdirs); 8437 } else { 8438 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8439 } 8440 } 8441 8442 maybeThrowExceptionForMultiArchCopy( 8443 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8444 8445 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8446 if (extractLibs) { 8447 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8448 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8449 useIsaSpecificSubdirs); 8450 } else { 8451 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8452 } 8453 } 8454 8455 maybeThrowExceptionForMultiArchCopy( 8456 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8457 8458 if (abi64 >= 0) { 8459 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8460 } 8461 8462 if (abi32 >= 0) { 8463 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8464 if (abi64 >= 0) { 8465 if (cpuAbiOverride == null && pkg.use32bitAbi) { 8466 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 8467 pkg.applicationInfo.primaryCpuAbi = abi; 8468 } else { 8469 pkg.applicationInfo.secondaryCpuAbi = abi; 8470 } 8471 } else { 8472 pkg.applicationInfo.primaryCpuAbi = abi; 8473 } 8474 } 8475 8476 } else { 8477 String[] abiList = (cpuAbiOverride != null) ? 8478 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8479 8480 // Enable gross and lame hacks for apps that are built with old 8481 // SDK tools. We must scan their APKs for renderscript bitcode and 8482 // not launch them if it's present. Don't bother checking on devices 8483 // that don't have 64 bit support. 8484 boolean needsRenderScriptOverride = false; 8485 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8486 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8487 abiList = Build.SUPPORTED_32_BIT_ABIS; 8488 needsRenderScriptOverride = true; 8489 } 8490 8491 final int copyRet; 8492 if (extractLibs) { 8493 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8494 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8495 } else { 8496 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8497 } 8498 8499 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8500 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8501 "Error unpackaging native libs for app, errorCode=" + copyRet); 8502 } 8503 8504 if (copyRet >= 0) { 8505 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8506 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8507 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8508 } else if (needsRenderScriptOverride) { 8509 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8510 } 8511 } 8512 } catch (IOException ioe) { 8513 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8514 } finally { 8515 IoUtils.closeQuietly(handle); 8516 } 8517 8518 // Now that we've calculated the ABIs and determined if it's an internal app, 8519 // we will go ahead and populate the nativeLibraryPath. 8520 setNativeLibraryPaths(pkg); 8521 } 8522 8523 /** 8524 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8525 * i.e, so that all packages can be run inside a single process if required. 8526 * 8527 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8528 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8529 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8530 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8531 * updating a package that belongs to a shared user. 8532 * 8533 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8534 * adds unnecessary complexity. 8535 */ 8536 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8537 PackageParser.Package scannedPackage, boolean bootComplete) { 8538 String requiredInstructionSet = null; 8539 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8540 requiredInstructionSet = VMRuntime.getInstructionSet( 8541 scannedPackage.applicationInfo.primaryCpuAbi); 8542 } 8543 8544 PackageSetting requirer = null; 8545 for (PackageSetting ps : packagesForUser) { 8546 // If packagesForUser contains scannedPackage, we skip it. This will happen 8547 // when scannedPackage is an update of an existing package. Without this check, 8548 // we will never be able to change the ABI of any package belonging to a shared 8549 // user, even if it's compatible with other packages. 8550 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8551 if (ps.primaryCpuAbiString == null) { 8552 continue; 8553 } 8554 8555 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8556 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8557 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8558 // this but there's not much we can do. 8559 String errorMessage = "Instruction set mismatch, " 8560 + ((requirer == null) ? "[caller]" : requirer) 8561 + " requires " + requiredInstructionSet + " whereas " + ps 8562 + " requires " + instructionSet; 8563 Slog.w(TAG, errorMessage); 8564 } 8565 8566 if (requiredInstructionSet == null) { 8567 requiredInstructionSet = instructionSet; 8568 requirer = ps; 8569 } 8570 } 8571 } 8572 8573 if (requiredInstructionSet != null) { 8574 String adjustedAbi; 8575 if (requirer != null) { 8576 // requirer != null implies that either scannedPackage was null or that scannedPackage 8577 // did not require an ABI, in which case we have to adjust scannedPackage to match 8578 // the ABI of the set (which is the same as requirer's ABI) 8579 adjustedAbi = requirer.primaryCpuAbiString; 8580 if (scannedPackage != null) { 8581 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8582 } 8583 } else { 8584 // requirer == null implies that we're updating all ABIs in the set to 8585 // match scannedPackage. 8586 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8587 } 8588 8589 for (PackageSetting ps : packagesForUser) { 8590 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8591 if (ps.primaryCpuAbiString != null) { 8592 continue; 8593 } 8594 8595 ps.primaryCpuAbiString = adjustedAbi; 8596 if (ps.pkg != null && ps.pkg.applicationInfo != null && 8597 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 8598 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8599 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 8600 + " (requirer=" 8601 + (requirer == null ? "null" : requirer.pkg.packageName) 8602 + ", scannedPackage=" 8603 + (scannedPackage != null ? scannedPackage.packageName : "null") 8604 + ")"); 8605 try { 8606 mInstaller.rmdex(ps.codePathString, 8607 getDexCodeInstructionSet(getPreferredInstructionSet())); 8608 } catch (InstallerException ignored) { 8609 } 8610 } 8611 } 8612 } 8613 } 8614 } 8615 8616 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8617 synchronized (mPackages) { 8618 mResolverReplaced = true; 8619 // Set up information for custom user intent resolution activity. 8620 mResolveActivity.applicationInfo = pkg.applicationInfo; 8621 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8622 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8623 mResolveActivity.processName = pkg.applicationInfo.packageName; 8624 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8625 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8626 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8627 mResolveActivity.theme = 0; 8628 mResolveActivity.exported = true; 8629 mResolveActivity.enabled = true; 8630 mResolveInfo.activityInfo = mResolveActivity; 8631 mResolveInfo.priority = 0; 8632 mResolveInfo.preferredOrder = 0; 8633 mResolveInfo.match = 0; 8634 mResolveComponentName = mCustomResolverComponentName; 8635 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8636 mResolveComponentName); 8637 } 8638 } 8639 8640 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8641 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8642 8643 // Set up information for ephemeral installer activity 8644 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8645 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8646 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8647 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8648 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8649 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8650 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8651 mEphemeralInstallerActivity.theme = 0; 8652 mEphemeralInstallerActivity.exported = true; 8653 mEphemeralInstallerActivity.enabled = true; 8654 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8655 mEphemeralInstallerInfo.priority = 0; 8656 mEphemeralInstallerInfo.preferredOrder = 0; 8657 mEphemeralInstallerInfo.match = 0; 8658 8659 if (DEBUG_EPHEMERAL) { 8660 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8661 } 8662 } 8663 8664 private static String calculateBundledApkRoot(final String codePathString) { 8665 final File codePath = new File(codePathString); 8666 final File codeRoot; 8667 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8668 codeRoot = Environment.getRootDirectory(); 8669 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8670 codeRoot = Environment.getOemDirectory(); 8671 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8672 codeRoot = Environment.getVendorDirectory(); 8673 } else { 8674 // Unrecognized code path; take its top real segment as the apk root: 8675 // e.g. /something/app/blah.apk => /something 8676 try { 8677 File f = codePath.getCanonicalFile(); 8678 File parent = f.getParentFile(); // non-null because codePath is a file 8679 File tmp; 8680 while ((tmp = parent.getParentFile()) != null) { 8681 f = parent; 8682 parent = tmp; 8683 } 8684 codeRoot = f; 8685 Slog.w(TAG, "Unrecognized code path " 8686 + codePath + " - using " + codeRoot); 8687 } catch (IOException e) { 8688 // Can't canonicalize the code path -- shenanigans? 8689 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8690 return Environment.getRootDirectory().getPath(); 8691 } 8692 } 8693 return codeRoot.getPath(); 8694 } 8695 8696 /** 8697 * Derive and set the location of native libraries for the given package, 8698 * which varies depending on where and how the package was installed. 8699 */ 8700 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8701 final ApplicationInfo info = pkg.applicationInfo; 8702 final String codePath = pkg.codePath; 8703 final File codeFile = new File(codePath); 8704 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8705 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8706 8707 info.nativeLibraryRootDir = null; 8708 info.nativeLibraryRootRequiresIsa = false; 8709 info.nativeLibraryDir = null; 8710 info.secondaryNativeLibraryDir = null; 8711 8712 if (isApkFile(codeFile)) { 8713 // Monolithic install 8714 if (bundledApp) { 8715 // If "/system/lib64/apkname" exists, assume that is the per-package 8716 // native library directory to use; otherwise use "/system/lib/apkname". 8717 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8718 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8719 getPrimaryInstructionSet(info)); 8720 8721 // This is a bundled system app so choose the path based on the ABI. 8722 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8723 // is just the default path. 8724 final String apkName = deriveCodePathName(codePath); 8725 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8726 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8727 apkName).getAbsolutePath(); 8728 8729 if (info.secondaryCpuAbi != null) { 8730 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8731 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8732 secondaryLibDir, apkName).getAbsolutePath(); 8733 } 8734 } else if (asecApp) { 8735 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8736 .getAbsolutePath(); 8737 } else { 8738 final String apkName = deriveCodePathName(codePath); 8739 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8740 .getAbsolutePath(); 8741 } 8742 8743 info.nativeLibraryRootRequiresIsa = false; 8744 info.nativeLibraryDir = info.nativeLibraryRootDir; 8745 } else { 8746 // Cluster install 8747 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8748 info.nativeLibraryRootRequiresIsa = true; 8749 8750 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8751 getPrimaryInstructionSet(info)).getAbsolutePath(); 8752 8753 if (info.secondaryCpuAbi != null) { 8754 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8755 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8756 } 8757 } 8758 } 8759 8760 /** 8761 * Calculate the abis and roots for a bundled app. These can uniquely 8762 * be determined from the contents of the system partition, i.e whether 8763 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8764 * of this information, and instead assume that the system was built 8765 * sensibly. 8766 */ 8767 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8768 PackageSetting pkgSetting) { 8769 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8770 8771 // If "/system/lib64/apkname" exists, assume that is the per-package 8772 // native library directory to use; otherwise use "/system/lib/apkname". 8773 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8774 setBundledAppAbi(pkg, apkRoot, apkName); 8775 // pkgSetting might be null during rescan following uninstall of updates 8776 // to a bundled app, so accommodate that possibility. The settings in 8777 // that case will be established later from the parsed package. 8778 // 8779 // If the settings aren't null, sync them up with what we've just derived. 8780 // note that apkRoot isn't stored in the package settings. 8781 if (pkgSetting != null) { 8782 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8783 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8784 } 8785 } 8786 8787 /** 8788 * Deduces the ABI of a bundled app and sets the relevant fields on the 8789 * parsed pkg object. 8790 * 8791 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8792 * under which system libraries are installed. 8793 * @param apkName the name of the installed package. 8794 */ 8795 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8796 final File codeFile = new File(pkg.codePath); 8797 8798 final boolean has64BitLibs; 8799 final boolean has32BitLibs; 8800 if (isApkFile(codeFile)) { 8801 // Monolithic install 8802 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8803 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8804 } else { 8805 // Cluster install 8806 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8807 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8808 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8809 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8810 has64BitLibs = (new File(rootDir, isa)).exists(); 8811 } else { 8812 has64BitLibs = false; 8813 } 8814 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8815 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8816 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8817 has32BitLibs = (new File(rootDir, isa)).exists(); 8818 } else { 8819 has32BitLibs = false; 8820 } 8821 } 8822 8823 if (has64BitLibs && !has32BitLibs) { 8824 // The package has 64 bit libs, but not 32 bit libs. Its primary 8825 // ABI should be 64 bit. We can safely assume here that the bundled 8826 // native libraries correspond to the most preferred ABI in the list. 8827 8828 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8829 pkg.applicationInfo.secondaryCpuAbi = null; 8830 } else if (has32BitLibs && !has64BitLibs) { 8831 // The package has 32 bit libs but not 64 bit libs. Its primary 8832 // ABI should be 32 bit. 8833 8834 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8835 pkg.applicationInfo.secondaryCpuAbi = null; 8836 } else if (has32BitLibs && has64BitLibs) { 8837 // The application has both 64 and 32 bit bundled libraries. We check 8838 // here that the app declares multiArch support, and warn if it doesn't. 8839 // 8840 // We will be lenient here and record both ABIs. The primary will be the 8841 // ABI that's higher on the list, i.e, a device that's configured to prefer 8842 // 64 bit apps will see a 64 bit primary ABI, 8843 8844 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8845 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8846 } 8847 8848 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8849 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8850 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8851 } else { 8852 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8853 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8854 } 8855 } else { 8856 pkg.applicationInfo.primaryCpuAbi = null; 8857 pkg.applicationInfo.secondaryCpuAbi = null; 8858 } 8859 } 8860 8861 private void killPackage(PackageParser.Package pkg, String reason) { 8862 // Kill the parent package 8863 killApplication(pkg.packageName, pkg.applicationInfo.uid, reason); 8864 // Kill the child packages 8865 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8866 for (int i = 0; i < childCount; i++) { 8867 PackageParser.Package childPkg = pkg.childPackages.get(i); 8868 killApplication(childPkg.packageName, childPkg.applicationInfo.uid, reason); 8869 } 8870 } 8871 8872 private void killApplication(String pkgName, int appId, String reason) { 8873 // Request the ActivityManager to kill the process(only for existing packages) 8874 // so that we do not end up in a confused state while the user is still using the older 8875 // version of the application while the new one gets installed. 8876 IActivityManager am = ActivityManagerNative.getDefault(); 8877 if (am != null) { 8878 try { 8879 am.killApplicationWithAppId(pkgName, appId, reason); 8880 } catch (RemoteException e) { 8881 } 8882 } 8883 } 8884 8885 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 8886 // Remove the parent package setting 8887 PackageSetting ps = (PackageSetting) pkg.mExtras; 8888 if (ps != null) { 8889 removePackageLI(ps, chatty); 8890 } 8891 // Remove the child package setting 8892 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8893 for (int i = 0; i < childCount; i++) { 8894 PackageParser.Package childPkg = pkg.childPackages.get(i); 8895 ps = (PackageSetting) childPkg.mExtras; 8896 if (ps != null) { 8897 removePackageLI(ps, chatty); 8898 } 8899 } 8900 } 8901 8902 void removePackageLI(PackageSetting ps, boolean chatty) { 8903 if (DEBUG_INSTALL) { 8904 if (chatty) 8905 Log.d(TAG, "Removing package " + ps.name); 8906 } 8907 8908 // writer 8909 synchronized (mPackages) { 8910 mPackages.remove(ps.name); 8911 final PackageParser.Package pkg = ps.pkg; 8912 if (pkg != null) { 8913 cleanPackageDataStructuresLILPw(pkg, chatty); 8914 } 8915 } 8916 } 8917 8918 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8919 if (DEBUG_INSTALL) { 8920 if (chatty) 8921 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8922 } 8923 8924 // writer 8925 synchronized (mPackages) { 8926 // Remove the parent package 8927 mPackages.remove(pkg.applicationInfo.packageName); 8928 cleanPackageDataStructuresLILPw(pkg, chatty); 8929 8930 // Remove the child packages 8931 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8932 for (int i = 0; i < childCount; i++) { 8933 PackageParser.Package childPkg = pkg.childPackages.get(i); 8934 mPackages.remove(childPkg.applicationInfo.packageName); 8935 cleanPackageDataStructuresLILPw(childPkg, chatty); 8936 } 8937 } 8938 } 8939 8940 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8941 int N = pkg.providers.size(); 8942 StringBuilder r = null; 8943 int i; 8944 for (i=0; i<N; i++) { 8945 PackageParser.Provider p = pkg.providers.get(i); 8946 mProviders.removeProvider(p); 8947 if (p.info.authority == null) { 8948 8949 /* There was another ContentProvider with this authority when 8950 * this app was installed so this authority is null, 8951 * Ignore it as we don't have to unregister the provider. 8952 */ 8953 continue; 8954 } 8955 String names[] = p.info.authority.split(";"); 8956 for (int j = 0; j < names.length; j++) { 8957 if (mProvidersByAuthority.get(names[j]) == p) { 8958 mProvidersByAuthority.remove(names[j]); 8959 if (DEBUG_REMOVE) { 8960 if (chatty) 8961 Log.d(TAG, "Unregistered content provider: " + names[j] 8962 + ", className = " + p.info.name + ", isSyncable = " 8963 + p.info.isSyncable); 8964 } 8965 } 8966 } 8967 if (DEBUG_REMOVE && chatty) { 8968 if (r == null) { 8969 r = new StringBuilder(256); 8970 } else { 8971 r.append(' '); 8972 } 8973 r.append(p.info.name); 8974 } 8975 } 8976 if (r != null) { 8977 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8978 } 8979 8980 N = pkg.services.size(); 8981 r = null; 8982 for (i=0; i<N; i++) { 8983 PackageParser.Service s = pkg.services.get(i); 8984 mServices.removeService(s); 8985 if (chatty) { 8986 if (r == null) { 8987 r = new StringBuilder(256); 8988 } else { 8989 r.append(' '); 8990 } 8991 r.append(s.info.name); 8992 } 8993 } 8994 if (r != null) { 8995 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8996 } 8997 8998 N = pkg.receivers.size(); 8999 r = null; 9000 for (i=0; i<N; i++) { 9001 PackageParser.Activity a = pkg.receivers.get(i); 9002 mReceivers.removeActivity(a, "receiver"); 9003 if (DEBUG_REMOVE && chatty) { 9004 if (r == null) { 9005 r = new StringBuilder(256); 9006 } else { 9007 r.append(' '); 9008 } 9009 r.append(a.info.name); 9010 } 9011 } 9012 if (r != null) { 9013 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 9014 } 9015 9016 N = pkg.activities.size(); 9017 r = null; 9018 for (i=0; i<N; i++) { 9019 PackageParser.Activity a = pkg.activities.get(i); 9020 mActivities.removeActivity(a, "activity"); 9021 if (DEBUG_REMOVE && chatty) { 9022 if (r == null) { 9023 r = new StringBuilder(256); 9024 } else { 9025 r.append(' '); 9026 } 9027 r.append(a.info.name); 9028 } 9029 } 9030 if (r != null) { 9031 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 9032 } 9033 9034 N = pkg.permissions.size(); 9035 r = null; 9036 for (i=0; i<N; i++) { 9037 PackageParser.Permission p = pkg.permissions.get(i); 9038 BasePermission bp = mSettings.mPermissions.get(p.info.name); 9039 if (bp == null) { 9040 bp = mSettings.mPermissionTrees.get(p.info.name); 9041 } 9042 if (bp != null && bp.perm == p) { 9043 bp.perm = null; 9044 if (DEBUG_REMOVE && chatty) { 9045 if (r == null) { 9046 r = new StringBuilder(256); 9047 } else { 9048 r.append(' '); 9049 } 9050 r.append(p.info.name); 9051 } 9052 } 9053 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9054 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 9055 if (appOpPkgs != null) { 9056 appOpPkgs.remove(pkg.packageName); 9057 } 9058 } 9059 } 9060 if (r != null) { 9061 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9062 } 9063 9064 N = pkg.requestedPermissions.size(); 9065 r = null; 9066 for (i=0; i<N; i++) { 9067 String perm = pkg.requestedPermissions.get(i); 9068 BasePermission bp = mSettings.mPermissions.get(perm); 9069 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9070 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 9071 if (appOpPkgs != null) { 9072 appOpPkgs.remove(pkg.packageName); 9073 if (appOpPkgs.isEmpty()) { 9074 mAppOpPermissionPackages.remove(perm); 9075 } 9076 } 9077 } 9078 } 9079 if (r != null) { 9080 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 9081 } 9082 9083 N = pkg.instrumentation.size(); 9084 r = null; 9085 for (i=0; i<N; i++) { 9086 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 9087 mInstrumentation.remove(a.getComponentName()); 9088 if (DEBUG_REMOVE && chatty) { 9089 if (r == null) { 9090 r = new StringBuilder(256); 9091 } else { 9092 r.append(' '); 9093 } 9094 r.append(a.info.name); 9095 } 9096 } 9097 if (r != null) { 9098 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 9099 } 9100 9101 r = null; 9102 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 9103 // Only system apps can hold shared libraries. 9104 if (pkg.libraryNames != null) { 9105 for (i=0; i<pkg.libraryNames.size(); i++) { 9106 String name = pkg.libraryNames.get(i); 9107 SharedLibraryEntry cur = mSharedLibraries.get(name); 9108 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 9109 mSharedLibraries.remove(name); 9110 if (DEBUG_REMOVE && chatty) { 9111 if (r == null) { 9112 r = new StringBuilder(256); 9113 } else { 9114 r.append(' '); 9115 } 9116 r.append(name); 9117 } 9118 } 9119 } 9120 } 9121 } 9122 if (r != null) { 9123 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 9124 } 9125 } 9126 9127 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 9128 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 9129 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 9130 return true; 9131 } 9132 } 9133 return false; 9134 } 9135 9136 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 9137 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 9138 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 9139 9140 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 9141 // Update the parent permissions 9142 updatePermissionsLPw(pkg.packageName, pkg, flags); 9143 // Update the child permissions 9144 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9145 for (int i = 0; i < childCount; i++) { 9146 PackageParser.Package childPkg = pkg.childPackages.get(i); 9147 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 9148 } 9149 } 9150 9151 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 9152 int flags) { 9153 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 9154 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 9155 } 9156 9157 private void updatePermissionsLPw(String changingPkg, 9158 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 9159 // Make sure there are no dangling permission trees. 9160 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 9161 while (it.hasNext()) { 9162 final BasePermission bp = it.next(); 9163 if (bp.packageSetting == null) { 9164 // We may not yet have parsed the package, so just see if 9165 // we still know about its settings. 9166 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9167 } 9168 if (bp.packageSetting == null) { 9169 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 9170 + " from package " + bp.sourcePackage); 9171 it.remove(); 9172 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9173 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9174 Slog.i(TAG, "Removing old permission tree: " + bp.name 9175 + " from package " + bp.sourcePackage); 9176 flags |= UPDATE_PERMISSIONS_ALL; 9177 it.remove(); 9178 } 9179 } 9180 } 9181 9182 // Make sure all dynamic permissions have been assigned to a package, 9183 // and make sure there are no dangling permissions. 9184 it = mSettings.mPermissions.values().iterator(); 9185 while (it.hasNext()) { 9186 final BasePermission bp = it.next(); 9187 if (bp.type == BasePermission.TYPE_DYNAMIC) { 9188 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 9189 + bp.name + " pkg=" + bp.sourcePackage 9190 + " info=" + bp.pendingInfo); 9191 if (bp.packageSetting == null && bp.pendingInfo != null) { 9192 final BasePermission tree = findPermissionTreeLP(bp.name); 9193 if (tree != null && tree.perm != null) { 9194 bp.packageSetting = tree.packageSetting; 9195 bp.perm = new PackageParser.Permission(tree.perm.owner, 9196 new PermissionInfo(bp.pendingInfo)); 9197 bp.perm.info.packageName = tree.perm.info.packageName; 9198 bp.perm.info.name = bp.name; 9199 bp.uid = tree.uid; 9200 } 9201 } 9202 } 9203 if (bp.packageSetting == null) { 9204 // We may not yet have parsed the package, so just see if 9205 // we still know about its settings. 9206 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 9207 } 9208 if (bp.packageSetting == null) { 9209 Slog.w(TAG, "Removing dangling permission: " + bp.name 9210 + " from package " + bp.sourcePackage); 9211 it.remove(); 9212 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 9213 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 9214 Slog.i(TAG, "Removing old permission: " + bp.name 9215 + " from package " + bp.sourcePackage); 9216 flags |= UPDATE_PERMISSIONS_ALL; 9217 it.remove(); 9218 } 9219 } 9220 } 9221 9222 // Now update the permissions for all packages, in particular 9223 // replace the granted permissions of the system packages. 9224 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 9225 for (PackageParser.Package pkg : mPackages.values()) { 9226 if (pkg != pkgInfo) { 9227 // Only replace for packages on requested volume 9228 final String volumeUuid = getVolumeUuidForPackage(pkg); 9229 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 9230 && Objects.equals(replaceVolumeUuid, volumeUuid); 9231 grantPermissionsLPw(pkg, replace, changingPkg); 9232 } 9233 } 9234 } 9235 9236 if (pkgInfo != null) { 9237 // Only replace for packages on requested volume 9238 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 9239 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 9240 && Objects.equals(replaceVolumeUuid, volumeUuid); 9241 grantPermissionsLPw(pkgInfo, replace, changingPkg); 9242 } 9243 } 9244 9245 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 9246 String packageOfInterest) { 9247 // IMPORTANT: There are two types of permissions: install and runtime. 9248 // Install time permissions are granted when the app is installed to 9249 // all device users and users added in the future. Runtime permissions 9250 // are granted at runtime explicitly to specific users. Normal and signature 9251 // protected permissions are install time permissions. Dangerous permissions 9252 // are install permissions if the app's target SDK is Lollipop MR1 or older, 9253 // otherwise they are runtime permissions. This function does not manage 9254 // runtime permissions except for the case an app targeting Lollipop MR1 9255 // being upgraded to target a newer SDK, in which case dangerous permissions 9256 // are transformed from install time to runtime ones. 9257 9258 final PackageSetting ps = (PackageSetting) pkg.mExtras; 9259 if (ps == null) { 9260 return; 9261 } 9262 9263 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 9264 9265 PermissionsState permissionsState = ps.getPermissionsState(); 9266 PermissionsState origPermissions = permissionsState; 9267 9268 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 9269 9270 boolean runtimePermissionsRevoked = false; 9271 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 9272 9273 boolean changedInstallPermission = false; 9274 9275 if (replace) { 9276 ps.installPermissionsFixed = false; 9277 if (!ps.isSharedUser()) { 9278 origPermissions = new PermissionsState(permissionsState); 9279 permissionsState.reset(); 9280 } else { 9281 // We need to know only about runtime permission changes since the 9282 // calling code always writes the install permissions state but 9283 // the runtime ones are written only if changed. The only cases of 9284 // changed runtime permissions here are promotion of an install to 9285 // runtime and revocation of a runtime from a shared user. 9286 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 9287 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 9288 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 9289 runtimePermissionsRevoked = true; 9290 } 9291 } 9292 } 9293 9294 permissionsState.setGlobalGids(mGlobalGids); 9295 9296 final int N = pkg.requestedPermissions.size(); 9297 for (int i=0; i<N; i++) { 9298 final String name = pkg.requestedPermissions.get(i); 9299 final BasePermission bp = mSettings.mPermissions.get(name); 9300 9301 if (DEBUG_INSTALL) { 9302 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 9303 } 9304 9305 if (bp == null || bp.packageSetting == null) { 9306 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9307 Slog.w(TAG, "Unknown permission " + name 9308 + " in package " + pkg.packageName); 9309 } 9310 continue; 9311 } 9312 9313 final String perm = bp.name; 9314 boolean allowedSig = false; 9315 int grant = GRANT_DENIED; 9316 9317 // Keep track of app op permissions. 9318 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 9319 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 9320 if (pkgs == null) { 9321 pkgs = new ArraySet<>(); 9322 mAppOpPermissionPackages.put(bp.name, pkgs); 9323 } 9324 pkgs.add(pkg.packageName); 9325 } 9326 9327 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 9328 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 9329 >= Build.VERSION_CODES.M; 9330 switch (level) { 9331 case PermissionInfo.PROTECTION_NORMAL: { 9332 // For all apps normal permissions are install time ones. 9333 grant = GRANT_INSTALL; 9334 } break; 9335 9336 case PermissionInfo.PROTECTION_DANGEROUS: { 9337 // If a permission review is required for legacy apps we represent 9338 // their permissions as always granted runtime ones since we need 9339 // to keep the review required permission flag per user while an 9340 // install permission's state is shared across all users. 9341 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 9342 // For legacy apps dangerous permissions are install time ones. 9343 grant = GRANT_INSTALL; 9344 } else if (origPermissions.hasInstallPermission(bp.name)) { 9345 // For legacy apps that became modern, install becomes runtime. 9346 grant = GRANT_UPGRADE; 9347 } else if (mPromoteSystemApps 9348 && isSystemApp(ps) 9349 && mExistingSystemPackages.contains(ps.name)) { 9350 // For legacy system apps, install becomes runtime. 9351 // We cannot check hasInstallPermission() for system apps since those 9352 // permissions were granted implicitly and not persisted pre-M. 9353 grant = GRANT_UPGRADE; 9354 } else { 9355 // For modern apps keep runtime permissions unchanged. 9356 grant = GRANT_RUNTIME; 9357 } 9358 } break; 9359 9360 case PermissionInfo.PROTECTION_SIGNATURE: { 9361 // For all apps signature permissions are install time ones. 9362 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 9363 if (allowedSig) { 9364 grant = GRANT_INSTALL; 9365 } 9366 } break; 9367 } 9368 9369 if (DEBUG_INSTALL) { 9370 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 9371 } 9372 9373 if (grant != GRANT_DENIED) { 9374 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 9375 // If this is an existing, non-system package, then 9376 // we can't add any new permissions to it. 9377 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 9378 // Except... if this is a permission that was added 9379 // to the platform (note: need to only do this when 9380 // updating the platform). 9381 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 9382 grant = GRANT_DENIED; 9383 } 9384 } 9385 } 9386 9387 switch (grant) { 9388 case GRANT_INSTALL: { 9389 // Revoke this as runtime permission to handle the case of 9390 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 9391 for (int userId : UserManagerService.getInstance().getUserIds()) { 9392 if (origPermissions.getRuntimePermissionState( 9393 bp.name, userId) != null) { 9394 // Revoke the runtime permission and clear the flags. 9395 origPermissions.revokeRuntimePermission(bp, userId); 9396 origPermissions.updatePermissionFlags(bp, userId, 9397 PackageManager.MASK_PERMISSION_FLAGS, 0); 9398 // If we revoked a permission permission, we have to write. 9399 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9400 changedRuntimePermissionUserIds, userId); 9401 } 9402 } 9403 // Grant an install permission. 9404 if (permissionsState.grantInstallPermission(bp) != 9405 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9406 changedInstallPermission = true; 9407 } 9408 } break; 9409 9410 case GRANT_RUNTIME: { 9411 // Grant previously granted runtime permissions. 9412 for (int userId : UserManagerService.getInstance().getUserIds()) { 9413 PermissionState permissionState = origPermissions 9414 .getRuntimePermissionState(bp.name, userId); 9415 int flags = permissionState != null 9416 ? permissionState.getFlags() : 0; 9417 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 9418 if (permissionsState.grantRuntimePermission(bp, userId) == 9419 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9420 // If we cannot put the permission as it was, we have to write. 9421 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9422 changedRuntimePermissionUserIds, userId); 9423 } 9424 // If the app supports runtime permissions no need for a review. 9425 if (Build.PERMISSIONS_REVIEW_REQUIRED 9426 && appSupportsRuntimePermissions 9427 && (flags & PackageManager 9428 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 9429 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 9430 // Since we changed the flags, we have to write. 9431 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9432 changedRuntimePermissionUserIds, userId); 9433 } 9434 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 9435 && !appSupportsRuntimePermissions) { 9436 // For legacy apps that need a permission review, every new 9437 // runtime permission is granted but it is pending a review. 9438 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 9439 permissionsState.grantRuntimePermission(bp, userId); 9440 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 9441 // We changed the permission and flags, hence have to write. 9442 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9443 changedRuntimePermissionUserIds, userId); 9444 } 9445 } 9446 // Propagate the permission flags. 9447 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 9448 } 9449 } break; 9450 9451 case GRANT_UPGRADE: { 9452 // Grant runtime permissions for a previously held install permission. 9453 PermissionState permissionState = origPermissions 9454 .getInstallPermissionState(bp.name); 9455 final int flags = permissionState != null ? permissionState.getFlags() : 0; 9456 9457 if (origPermissions.revokeInstallPermission(bp) 9458 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 9459 // We will be transferring the permission flags, so clear them. 9460 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 9461 PackageManager.MASK_PERMISSION_FLAGS, 0); 9462 changedInstallPermission = true; 9463 } 9464 9465 // If the permission is not to be promoted to runtime we ignore it and 9466 // also its other flags as they are not applicable to install permissions. 9467 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 9468 for (int userId : currentUserIds) { 9469 if (permissionsState.grantRuntimePermission(bp, userId) != 9470 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9471 // Transfer the permission flags. 9472 permissionsState.updatePermissionFlags(bp, userId, 9473 flags, flags); 9474 // If we granted the permission, we have to write. 9475 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9476 changedRuntimePermissionUserIds, userId); 9477 } 9478 } 9479 } 9480 } break; 9481 9482 default: { 9483 if (packageOfInterest == null 9484 || packageOfInterest.equals(pkg.packageName)) { 9485 Slog.w(TAG, "Not granting permission " + perm 9486 + " to package " + pkg.packageName 9487 + " because it was previously installed without"); 9488 } 9489 } break; 9490 } 9491 } else { 9492 if (permissionsState.revokeInstallPermission(bp) != 9493 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9494 // Also drop the permission flags. 9495 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9496 PackageManager.MASK_PERMISSION_FLAGS, 0); 9497 changedInstallPermission = true; 9498 Slog.i(TAG, "Un-granting permission " + perm 9499 + " from package " + pkg.packageName 9500 + " (protectionLevel=" + bp.protectionLevel 9501 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9502 + ")"); 9503 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9504 // Don't print warning for app op permissions, since it is fine for them 9505 // not to be granted, there is a UI for the user to decide. 9506 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9507 Slog.w(TAG, "Not granting permission " + perm 9508 + " to package " + pkg.packageName 9509 + " (protectionLevel=" + bp.protectionLevel 9510 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9511 + ")"); 9512 } 9513 } 9514 } 9515 } 9516 9517 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9518 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9519 // This is the first that we have heard about this package, so the 9520 // permissions we have now selected are fixed until explicitly 9521 // changed. 9522 ps.installPermissionsFixed = true; 9523 } 9524 9525 // Persist the runtime permissions state for users with changes. If permissions 9526 // were revoked because no app in the shared user declares them we have to 9527 // write synchronously to avoid losing runtime permissions state. 9528 for (int userId : changedRuntimePermissionUserIds) { 9529 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9530 } 9531 9532 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9533 } 9534 9535 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9536 boolean allowed = false; 9537 final int NP = PackageParser.NEW_PERMISSIONS.length; 9538 for (int ip=0; ip<NP; ip++) { 9539 final PackageParser.NewPermissionInfo npi 9540 = PackageParser.NEW_PERMISSIONS[ip]; 9541 if (npi.name.equals(perm) 9542 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9543 allowed = true; 9544 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9545 + pkg.packageName); 9546 break; 9547 } 9548 } 9549 return allowed; 9550 } 9551 9552 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9553 BasePermission bp, PermissionsState origPermissions) { 9554 boolean allowed; 9555 allowed = (compareSignatures( 9556 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9557 == PackageManager.SIGNATURE_MATCH) 9558 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9559 == PackageManager.SIGNATURE_MATCH); 9560 if (!allowed && (bp.protectionLevel 9561 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9562 if (isSystemApp(pkg)) { 9563 // For updated system applications, a system permission 9564 // is granted only if it had been defined by the original application. 9565 if (pkg.isUpdatedSystemApp()) { 9566 final PackageSetting sysPs = mSettings 9567 .getDisabledSystemPkgLPr(pkg.packageName); 9568 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 9569 // If the original was granted this permission, we take 9570 // that grant decision as read and propagate it to the 9571 // update. 9572 if (sysPs.isPrivileged()) { 9573 allowed = true; 9574 } 9575 } else { 9576 // The system apk may have been updated with an older 9577 // version of the one on the data partition, but which 9578 // granted a new system permission that it didn't have 9579 // before. In this case we do want to allow the app to 9580 // now get the new permission if the ancestral apk is 9581 // privileged to get it. 9582 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 9583 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 9584 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 9585 allowed = true; 9586 break; 9587 } 9588 } 9589 } 9590 // Also if a privileged parent package on the system image or any of 9591 // its children requested a privileged permission, the updated child 9592 // packages can also get the permission. 9593 if (pkg.parentPackage != null) { 9594 final PackageSetting disabledSysParentPs = mSettings 9595 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 9596 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 9597 && disabledSysParentPs.isPrivileged()) { 9598 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 9599 allowed = true; 9600 } else if (disabledSysParentPs.pkg.childPackages != null) { 9601 final int count = disabledSysParentPs.pkg.childPackages.size(); 9602 for (int i = 0; i < count; i++) { 9603 PackageParser.Package disabledSysChildPkg = 9604 disabledSysParentPs.pkg.childPackages.get(i); 9605 if (isPackageRequestingPermission(disabledSysChildPkg, 9606 perm)) { 9607 allowed = true; 9608 break; 9609 } 9610 } 9611 } 9612 } 9613 } 9614 } 9615 } else { 9616 allowed = isPrivilegedApp(pkg); 9617 } 9618 } 9619 } 9620 if (!allowed) { 9621 if (!allowed && (bp.protectionLevel 9622 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9623 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9624 // If this was a previously normal/dangerous permission that got moved 9625 // to a system permission as part of the runtime permission redesign, then 9626 // we still want to blindly grant it to old apps. 9627 allowed = true; 9628 } 9629 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9630 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9631 // If this permission is to be granted to the system installer and 9632 // this app is an installer, then it gets the permission. 9633 allowed = true; 9634 } 9635 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9636 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9637 // If this permission is to be granted to the system verifier and 9638 // this app is a verifier, then it gets the permission. 9639 allowed = true; 9640 } 9641 if (!allowed && (bp.protectionLevel 9642 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9643 && isSystemApp(pkg)) { 9644 // Any pre-installed system app is allowed to get this permission. 9645 allowed = true; 9646 } 9647 if (!allowed && (bp.protectionLevel 9648 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9649 // For development permissions, a development permission 9650 // is granted only if it was already granted. 9651 allowed = origPermissions.hasInstallPermission(perm); 9652 } 9653 } 9654 return allowed; 9655 } 9656 9657 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 9658 final int permCount = pkg.requestedPermissions.size(); 9659 for (int j = 0; j < permCount; j++) { 9660 String requestedPermission = pkg.requestedPermissions.get(j); 9661 if (permission.equals(requestedPermission)) { 9662 return true; 9663 } 9664 } 9665 return false; 9666 } 9667 9668 final class ActivityIntentResolver 9669 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9670 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9671 boolean defaultOnly, int userId) { 9672 if (!sUserManager.exists(userId)) return null; 9673 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9674 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9675 } 9676 9677 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9678 int userId) { 9679 if (!sUserManager.exists(userId)) return null; 9680 mFlags = flags; 9681 return super.queryIntent(intent, resolvedType, 9682 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9683 } 9684 9685 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9686 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9687 if (!sUserManager.exists(userId)) return null; 9688 if (packageActivities == null) { 9689 return null; 9690 } 9691 mFlags = flags; 9692 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9693 final int N = packageActivities.size(); 9694 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9695 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9696 9697 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9698 for (int i = 0; i < N; ++i) { 9699 intentFilters = packageActivities.get(i).intents; 9700 if (intentFilters != null && intentFilters.size() > 0) { 9701 PackageParser.ActivityIntentInfo[] array = 9702 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9703 intentFilters.toArray(array); 9704 listCut.add(array); 9705 } 9706 } 9707 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9708 } 9709 9710 public final void addActivity(PackageParser.Activity a, String type) { 9711 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9712 mActivities.put(a.getComponentName(), a); 9713 if (DEBUG_SHOW_INFO) 9714 Log.v( 9715 TAG, " " + type + " " + 9716 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9717 if (DEBUG_SHOW_INFO) 9718 Log.v(TAG, " Class=" + a.info.name); 9719 final int NI = a.intents.size(); 9720 for (int j=0; j<NI; j++) { 9721 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9722 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9723 intent.setPriority(0); 9724 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9725 + a.className + " with priority > 0, forcing to 0"); 9726 } 9727 if (DEBUG_SHOW_INFO) { 9728 Log.v(TAG, " IntentFilter:"); 9729 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9730 } 9731 if (!intent.debugCheck()) { 9732 Log.w(TAG, "==> For Activity " + a.info.name); 9733 } 9734 addFilter(intent); 9735 } 9736 } 9737 9738 public final void removeActivity(PackageParser.Activity a, String type) { 9739 mActivities.remove(a.getComponentName()); 9740 if (DEBUG_SHOW_INFO) { 9741 Log.v(TAG, " " + type + " " 9742 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9743 : a.info.name) + ":"); 9744 Log.v(TAG, " Class=" + a.info.name); 9745 } 9746 final int NI = a.intents.size(); 9747 for (int j=0; j<NI; j++) { 9748 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9749 if (DEBUG_SHOW_INFO) { 9750 Log.v(TAG, " IntentFilter:"); 9751 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9752 } 9753 removeFilter(intent); 9754 } 9755 } 9756 9757 @Override 9758 protected boolean allowFilterResult( 9759 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9760 ActivityInfo filterAi = filter.activity.info; 9761 for (int i=dest.size()-1; i>=0; i--) { 9762 ActivityInfo destAi = dest.get(i).activityInfo; 9763 if (destAi.name == filterAi.name 9764 && destAi.packageName == filterAi.packageName) { 9765 return false; 9766 } 9767 } 9768 return true; 9769 } 9770 9771 @Override 9772 protected ActivityIntentInfo[] newArray(int size) { 9773 return new ActivityIntentInfo[size]; 9774 } 9775 9776 @Override 9777 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9778 if (!sUserManager.exists(userId)) return true; 9779 PackageParser.Package p = filter.activity.owner; 9780 if (p != null) { 9781 PackageSetting ps = (PackageSetting)p.mExtras; 9782 if (ps != null) { 9783 // System apps are never considered stopped for purposes of 9784 // filtering, because there may be no way for the user to 9785 // actually re-launch them. 9786 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9787 && ps.getStopped(userId); 9788 } 9789 } 9790 return false; 9791 } 9792 9793 @Override 9794 protected boolean isPackageForFilter(String packageName, 9795 PackageParser.ActivityIntentInfo info) { 9796 return packageName.equals(info.activity.owner.packageName); 9797 } 9798 9799 @Override 9800 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9801 int match, int userId) { 9802 if (!sUserManager.exists(userId)) return null; 9803 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9804 return null; 9805 } 9806 final PackageParser.Activity activity = info.activity; 9807 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9808 if (ps == null) { 9809 return null; 9810 } 9811 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9812 ps.readUserState(userId), userId); 9813 if (ai == null) { 9814 return null; 9815 } 9816 final ResolveInfo res = new ResolveInfo(); 9817 res.activityInfo = ai; 9818 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9819 res.filter = info; 9820 } 9821 if (info != null) { 9822 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9823 } 9824 res.priority = info.getPriority(); 9825 res.preferredOrder = activity.owner.mPreferredOrder; 9826 //System.out.println("Result: " + res.activityInfo.className + 9827 // " = " + res.priority); 9828 res.match = match; 9829 res.isDefault = info.hasDefault; 9830 res.labelRes = info.labelRes; 9831 res.nonLocalizedLabel = info.nonLocalizedLabel; 9832 if (userNeedsBadging(userId)) { 9833 res.noResourceId = true; 9834 } else { 9835 res.icon = info.icon; 9836 } 9837 res.iconResourceId = info.icon; 9838 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9839 return res; 9840 } 9841 9842 @Override 9843 protected void sortResults(List<ResolveInfo> results) { 9844 Collections.sort(results, mResolvePrioritySorter); 9845 } 9846 9847 @Override 9848 protected void dumpFilter(PrintWriter out, String prefix, 9849 PackageParser.ActivityIntentInfo filter) { 9850 out.print(prefix); out.print( 9851 Integer.toHexString(System.identityHashCode(filter.activity))); 9852 out.print(' '); 9853 filter.activity.printComponentShortName(out); 9854 out.print(" filter "); 9855 out.println(Integer.toHexString(System.identityHashCode(filter))); 9856 } 9857 9858 @Override 9859 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9860 return filter.activity; 9861 } 9862 9863 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9864 PackageParser.Activity activity = (PackageParser.Activity)label; 9865 out.print(prefix); out.print( 9866 Integer.toHexString(System.identityHashCode(activity))); 9867 out.print(' '); 9868 activity.printComponentShortName(out); 9869 if (count > 1) { 9870 out.print(" ("); out.print(count); out.print(" filters)"); 9871 } 9872 out.println(); 9873 } 9874 9875// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9876// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9877// final List<ResolveInfo> retList = Lists.newArrayList(); 9878// while (i.hasNext()) { 9879// final ResolveInfo resolveInfo = i.next(); 9880// if (isEnabledLP(resolveInfo.activityInfo)) { 9881// retList.add(resolveInfo); 9882// } 9883// } 9884// return retList; 9885// } 9886 9887 // Keys are String (activity class name), values are Activity. 9888 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9889 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9890 private int mFlags; 9891 } 9892 9893 private final class ServiceIntentResolver 9894 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9895 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9896 boolean defaultOnly, int userId) { 9897 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9898 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9899 } 9900 9901 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9902 int userId) { 9903 if (!sUserManager.exists(userId)) return null; 9904 mFlags = flags; 9905 return super.queryIntent(intent, resolvedType, 9906 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9907 } 9908 9909 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9910 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9911 if (!sUserManager.exists(userId)) return null; 9912 if (packageServices == null) { 9913 return null; 9914 } 9915 mFlags = flags; 9916 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9917 final int N = packageServices.size(); 9918 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9919 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9920 9921 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9922 for (int i = 0; i < N; ++i) { 9923 intentFilters = packageServices.get(i).intents; 9924 if (intentFilters != null && intentFilters.size() > 0) { 9925 PackageParser.ServiceIntentInfo[] array = 9926 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9927 intentFilters.toArray(array); 9928 listCut.add(array); 9929 } 9930 } 9931 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9932 } 9933 9934 public final void addService(PackageParser.Service s) { 9935 mServices.put(s.getComponentName(), s); 9936 if (DEBUG_SHOW_INFO) { 9937 Log.v(TAG, " " 9938 + (s.info.nonLocalizedLabel != null 9939 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9940 Log.v(TAG, " Class=" + s.info.name); 9941 } 9942 final int NI = s.intents.size(); 9943 int j; 9944 for (j=0; j<NI; j++) { 9945 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9946 if (DEBUG_SHOW_INFO) { 9947 Log.v(TAG, " IntentFilter:"); 9948 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9949 } 9950 if (!intent.debugCheck()) { 9951 Log.w(TAG, "==> For Service " + s.info.name); 9952 } 9953 addFilter(intent); 9954 } 9955 } 9956 9957 public final void removeService(PackageParser.Service s) { 9958 mServices.remove(s.getComponentName()); 9959 if (DEBUG_SHOW_INFO) { 9960 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9961 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9962 Log.v(TAG, " Class=" + s.info.name); 9963 } 9964 final int NI = s.intents.size(); 9965 int j; 9966 for (j=0; j<NI; j++) { 9967 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9968 if (DEBUG_SHOW_INFO) { 9969 Log.v(TAG, " IntentFilter:"); 9970 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9971 } 9972 removeFilter(intent); 9973 } 9974 } 9975 9976 @Override 9977 protected boolean allowFilterResult( 9978 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9979 ServiceInfo filterSi = filter.service.info; 9980 for (int i=dest.size()-1; i>=0; i--) { 9981 ServiceInfo destAi = dest.get(i).serviceInfo; 9982 if (destAi.name == filterSi.name 9983 && destAi.packageName == filterSi.packageName) { 9984 return false; 9985 } 9986 } 9987 return true; 9988 } 9989 9990 @Override 9991 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9992 return new PackageParser.ServiceIntentInfo[size]; 9993 } 9994 9995 @Override 9996 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9997 if (!sUserManager.exists(userId)) return true; 9998 PackageParser.Package p = filter.service.owner; 9999 if (p != null) { 10000 PackageSetting ps = (PackageSetting)p.mExtras; 10001 if (ps != null) { 10002 // System apps are never considered stopped for purposes of 10003 // filtering, because there may be no way for the user to 10004 // actually re-launch them. 10005 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10006 && ps.getStopped(userId); 10007 } 10008 } 10009 return false; 10010 } 10011 10012 @Override 10013 protected boolean isPackageForFilter(String packageName, 10014 PackageParser.ServiceIntentInfo info) { 10015 return packageName.equals(info.service.owner.packageName); 10016 } 10017 10018 @Override 10019 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 10020 int match, int userId) { 10021 if (!sUserManager.exists(userId)) return null; 10022 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 10023 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 10024 return null; 10025 } 10026 final PackageParser.Service service = info.service; 10027 PackageSetting ps = (PackageSetting) service.owner.mExtras; 10028 if (ps == null) { 10029 return null; 10030 } 10031 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 10032 ps.readUserState(userId), userId); 10033 if (si == null) { 10034 return null; 10035 } 10036 final ResolveInfo res = new ResolveInfo(); 10037 res.serviceInfo = si; 10038 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 10039 res.filter = filter; 10040 } 10041 res.priority = info.getPriority(); 10042 res.preferredOrder = service.owner.mPreferredOrder; 10043 res.match = match; 10044 res.isDefault = info.hasDefault; 10045 res.labelRes = info.labelRes; 10046 res.nonLocalizedLabel = info.nonLocalizedLabel; 10047 res.icon = info.icon; 10048 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 10049 return res; 10050 } 10051 10052 @Override 10053 protected void sortResults(List<ResolveInfo> results) { 10054 Collections.sort(results, mResolvePrioritySorter); 10055 } 10056 10057 @Override 10058 protected void dumpFilter(PrintWriter out, String prefix, 10059 PackageParser.ServiceIntentInfo filter) { 10060 out.print(prefix); out.print( 10061 Integer.toHexString(System.identityHashCode(filter.service))); 10062 out.print(' '); 10063 filter.service.printComponentShortName(out); 10064 out.print(" filter "); 10065 out.println(Integer.toHexString(System.identityHashCode(filter))); 10066 } 10067 10068 @Override 10069 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 10070 return filter.service; 10071 } 10072 10073 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10074 PackageParser.Service service = (PackageParser.Service)label; 10075 out.print(prefix); out.print( 10076 Integer.toHexString(System.identityHashCode(service))); 10077 out.print(' '); 10078 service.printComponentShortName(out); 10079 if (count > 1) { 10080 out.print(" ("); out.print(count); out.print(" filters)"); 10081 } 10082 out.println(); 10083 } 10084 10085// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 10086// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 10087// final List<ResolveInfo> retList = Lists.newArrayList(); 10088// while (i.hasNext()) { 10089// final ResolveInfo resolveInfo = (ResolveInfo) i; 10090// if (isEnabledLP(resolveInfo.serviceInfo)) { 10091// retList.add(resolveInfo); 10092// } 10093// } 10094// return retList; 10095// } 10096 10097 // Keys are String (activity class name), values are Activity. 10098 private final ArrayMap<ComponentName, PackageParser.Service> mServices 10099 = new ArrayMap<ComponentName, PackageParser.Service>(); 10100 private int mFlags; 10101 }; 10102 10103 private final class ProviderIntentResolver 10104 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 10105 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 10106 boolean defaultOnly, int userId) { 10107 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 10108 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 10109 } 10110 10111 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 10112 int userId) { 10113 if (!sUserManager.exists(userId)) 10114 return null; 10115 mFlags = flags; 10116 return super.queryIntent(intent, resolvedType, 10117 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 10118 } 10119 10120 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 10121 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 10122 if (!sUserManager.exists(userId)) 10123 return null; 10124 if (packageProviders == null) { 10125 return null; 10126 } 10127 mFlags = flags; 10128 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 10129 final int N = packageProviders.size(); 10130 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 10131 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 10132 10133 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 10134 for (int i = 0; i < N; ++i) { 10135 intentFilters = packageProviders.get(i).intents; 10136 if (intentFilters != null && intentFilters.size() > 0) { 10137 PackageParser.ProviderIntentInfo[] array = 10138 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 10139 intentFilters.toArray(array); 10140 listCut.add(array); 10141 } 10142 } 10143 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 10144 } 10145 10146 public final void addProvider(PackageParser.Provider p) { 10147 if (mProviders.containsKey(p.getComponentName())) { 10148 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 10149 return; 10150 } 10151 10152 mProviders.put(p.getComponentName(), p); 10153 if (DEBUG_SHOW_INFO) { 10154 Log.v(TAG, " " 10155 + (p.info.nonLocalizedLabel != null 10156 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10157 Log.v(TAG, " Class=" + p.info.name); 10158 } 10159 final int NI = p.intents.size(); 10160 int j; 10161 for (j = 0; j < NI; j++) { 10162 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10163 if (DEBUG_SHOW_INFO) { 10164 Log.v(TAG, " IntentFilter:"); 10165 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10166 } 10167 if (!intent.debugCheck()) { 10168 Log.w(TAG, "==> For Provider " + p.info.name); 10169 } 10170 addFilter(intent); 10171 } 10172 } 10173 10174 public final void removeProvider(PackageParser.Provider p) { 10175 mProviders.remove(p.getComponentName()); 10176 if (DEBUG_SHOW_INFO) { 10177 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 10178 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 10179 Log.v(TAG, " Class=" + p.info.name); 10180 } 10181 final int NI = p.intents.size(); 10182 int j; 10183 for (j = 0; j < NI; j++) { 10184 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 10185 if (DEBUG_SHOW_INFO) { 10186 Log.v(TAG, " IntentFilter:"); 10187 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 10188 } 10189 removeFilter(intent); 10190 } 10191 } 10192 10193 @Override 10194 protected boolean allowFilterResult( 10195 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 10196 ProviderInfo filterPi = filter.provider.info; 10197 for (int i = dest.size() - 1; i >= 0; i--) { 10198 ProviderInfo destPi = dest.get(i).providerInfo; 10199 if (destPi.name == filterPi.name 10200 && destPi.packageName == filterPi.packageName) { 10201 return false; 10202 } 10203 } 10204 return true; 10205 } 10206 10207 @Override 10208 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 10209 return new PackageParser.ProviderIntentInfo[size]; 10210 } 10211 10212 @Override 10213 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 10214 if (!sUserManager.exists(userId)) 10215 return true; 10216 PackageParser.Package p = filter.provider.owner; 10217 if (p != null) { 10218 PackageSetting ps = (PackageSetting) p.mExtras; 10219 if (ps != null) { 10220 // System apps are never considered stopped for purposes of 10221 // filtering, because there may be no way for the user to 10222 // actually re-launch them. 10223 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 10224 && ps.getStopped(userId); 10225 } 10226 } 10227 return false; 10228 } 10229 10230 @Override 10231 protected boolean isPackageForFilter(String packageName, 10232 PackageParser.ProviderIntentInfo info) { 10233 return packageName.equals(info.provider.owner.packageName); 10234 } 10235 10236 @Override 10237 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 10238 int match, int userId) { 10239 if (!sUserManager.exists(userId)) 10240 return null; 10241 final PackageParser.ProviderIntentInfo info = filter; 10242 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 10243 return null; 10244 } 10245 final PackageParser.Provider provider = info.provider; 10246 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 10247 if (ps == null) { 10248 return null; 10249 } 10250 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 10251 ps.readUserState(userId), userId); 10252 if (pi == null) { 10253 return null; 10254 } 10255 final ResolveInfo res = new ResolveInfo(); 10256 res.providerInfo = pi; 10257 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 10258 res.filter = filter; 10259 } 10260 res.priority = info.getPriority(); 10261 res.preferredOrder = provider.owner.mPreferredOrder; 10262 res.match = match; 10263 res.isDefault = info.hasDefault; 10264 res.labelRes = info.labelRes; 10265 res.nonLocalizedLabel = info.nonLocalizedLabel; 10266 res.icon = info.icon; 10267 res.system = res.providerInfo.applicationInfo.isSystemApp(); 10268 return res; 10269 } 10270 10271 @Override 10272 protected void sortResults(List<ResolveInfo> results) { 10273 Collections.sort(results, mResolvePrioritySorter); 10274 } 10275 10276 @Override 10277 protected void dumpFilter(PrintWriter out, String prefix, 10278 PackageParser.ProviderIntentInfo filter) { 10279 out.print(prefix); 10280 out.print( 10281 Integer.toHexString(System.identityHashCode(filter.provider))); 10282 out.print(' '); 10283 filter.provider.printComponentShortName(out); 10284 out.print(" filter "); 10285 out.println(Integer.toHexString(System.identityHashCode(filter))); 10286 } 10287 10288 @Override 10289 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 10290 return filter.provider; 10291 } 10292 10293 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 10294 PackageParser.Provider provider = (PackageParser.Provider)label; 10295 out.print(prefix); out.print( 10296 Integer.toHexString(System.identityHashCode(provider))); 10297 out.print(' '); 10298 provider.printComponentShortName(out); 10299 if (count > 1) { 10300 out.print(" ("); out.print(count); out.print(" filters)"); 10301 } 10302 out.println(); 10303 } 10304 10305 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 10306 = new ArrayMap<ComponentName, PackageParser.Provider>(); 10307 private int mFlags; 10308 } 10309 10310 private static final class EphemeralIntentResolver 10311 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 10312 @Override 10313 protected EphemeralResolveIntentInfo[] newArray(int size) { 10314 return new EphemeralResolveIntentInfo[size]; 10315 } 10316 10317 @Override 10318 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 10319 return true; 10320 } 10321 10322 @Override 10323 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 10324 int userId) { 10325 if (!sUserManager.exists(userId)) { 10326 return null; 10327 } 10328 return info.getEphemeralResolveInfo(); 10329 } 10330 } 10331 10332 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 10333 new Comparator<ResolveInfo>() { 10334 public int compare(ResolveInfo r1, ResolveInfo r2) { 10335 int v1 = r1.priority; 10336 int v2 = r2.priority; 10337 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 10338 if (v1 != v2) { 10339 return (v1 > v2) ? -1 : 1; 10340 } 10341 v1 = r1.preferredOrder; 10342 v2 = r2.preferredOrder; 10343 if (v1 != v2) { 10344 return (v1 > v2) ? -1 : 1; 10345 } 10346 if (r1.isDefault != r2.isDefault) { 10347 return r1.isDefault ? -1 : 1; 10348 } 10349 v1 = r1.match; 10350 v2 = r2.match; 10351 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 10352 if (v1 != v2) { 10353 return (v1 > v2) ? -1 : 1; 10354 } 10355 if (r1.system != r2.system) { 10356 return r1.system ? -1 : 1; 10357 } 10358 if (r1.activityInfo != null) { 10359 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 10360 } 10361 if (r1.serviceInfo != null) { 10362 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 10363 } 10364 if (r1.providerInfo != null) { 10365 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 10366 } 10367 return 0; 10368 } 10369 }; 10370 10371 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 10372 new Comparator<ProviderInfo>() { 10373 public int compare(ProviderInfo p1, ProviderInfo p2) { 10374 final int v1 = p1.initOrder; 10375 final int v2 = p2.initOrder; 10376 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 10377 } 10378 }; 10379 10380 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 10381 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 10382 final int[] userIds) { 10383 mHandler.post(new Runnable() { 10384 @Override 10385 public void run() { 10386 try { 10387 final IActivityManager am = ActivityManagerNative.getDefault(); 10388 if (am == null) return; 10389 final int[] resolvedUserIds; 10390 if (userIds == null) { 10391 resolvedUserIds = am.getRunningUserIds(); 10392 } else { 10393 resolvedUserIds = userIds; 10394 } 10395 for (int id : resolvedUserIds) { 10396 final Intent intent = new Intent(action, 10397 pkg != null ? Uri.fromParts("package", pkg, null) : null); 10398 if (extras != null) { 10399 intent.putExtras(extras); 10400 } 10401 if (targetPkg != null) { 10402 intent.setPackage(targetPkg); 10403 } 10404 // Modify the UID when posting to other users 10405 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 10406 if (uid > 0 && UserHandle.getUserId(uid) != id) { 10407 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 10408 intent.putExtra(Intent.EXTRA_UID, uid); 10409 } 10410 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 10411 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 10412 if (DEBUG_BROADCASTS) { 10413 RuntimeException here = new RuntimeException("here"); 10414 here.fillInStackTrace(); 10415 Slog.d(TAG, "Sending to user " + id + ": " 10416 + intent.toShortString(false, true, false, false) 10417 + " " + intent.getExtras(), here); 10418 } 10419 am.broadcastIntent(null, intent, null, finishedReceiver, 10420 0, null, null, null, android.app.AppOpsManager.OP_NONE, 10421 null, finishedReceiver != null, false, id); 10422 } 10423 } catch (RemoteException ex) { 10424 } 10425 } 10426 }); 10427 } 10428 10429 /** 10430 * Check if the external storage media is available. This is true if there 10431 * is a mounted external storage medium or if the external storage is 10432 * emulated. 10433 */ 10434 private boolean isExternalMediaAvailable() { 10435 return mMediaMounted || Environment.isExternalStorageEmulated(); 10436 } 10437 10438 @Override 10439 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 10440 // writer 10441 synchronized (mPackages) { 10442 if (!isExternalMediaAvailable()) { 10443 // If the external storage is no longer mounted at this point, 10444 // the caller may not have been able to delete all of this 10445 // packages files and can not delete any more. Bail. 10446 return null; 10447 } 10448 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 10449 if (lastPackage != null) { 10450 pkgs.remove(lastPackage); 10451 } 10452 if (pkgs.size() > 0) { 10453 return pkgs.get(0); 10454 } 10455 } 10456 return null; 10457 } 10458 10459 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 10460 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 10461 userId, andCode ? 1 : 0, packageName); 10462 if (mSystemReady) { 10463 msg.sendToTarget(); 10464 } else { 10465 if (mPostSystemReadyMessages == null) { 10466 mPostSystemReadyMessages = new ArrayList<>(); 10467 } 10468 mPostSystemReadyMessages.add(msg); 10469 } 10470 } 10471 10472 void startCleaningPackages() { 10473 // reader 10474 synchronized (mPackages) { 10475 if (!isExternalMediaAvailable()) { 10476 return; 10477 } 10478 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 10479 return; 10480 } 10481 } 10482 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 10483 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 10484 IActivityManager am = ActivityManagerNative.getDefault(); 10485 if (am != null) { 10486 try { 10487 am.startService(null, intent, null, mContext.getOpPackageName(), 10488 UserHandle.USER_SYSTEM); 10489 } catch (RemoteException e) { 10490 } 10491 } 10492 } 10493 10494 @Override 10495 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 10496 int installFlags, String installerPackageName, int userId) { 10497 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 10498 10499 final int callingUid = Binder.getCallingUid(); 10500 enforceCrossUserPermission(callingUid, userId, 10501 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 10502 10503 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10504 try { 10505 if (observer != null) { 10506 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10507 } 10508 } catch (RemoteException re) { 10509 } 10510 return; 10511 } 10512 10513 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10514 installFlags |= PackageManager.INSTALL_FROM_ADB; 10515 10516 } else { 10517 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10518 // about installerPackageName. 10519 10520 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10521 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10522 } 10523 10524 UserHandle user; 10525 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10526 user = UserHandle.ALL; 10527 } else { 10528 user = new UserHandle(userId); 10529 } 10530 10531 // Only system components can circumvent runtime permissions when installing. 10532 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10533 && mContext.checkCallingOrSelfPermission(Manifest.permission 10534 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10535 throw new SecurityException("You need the " 10536 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10537 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10538 } 10539 10540 final File originFile = new File(originPath); 10541 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10542 10543 final Message msg = mHandler.obtainMessage(INIT_COPY); 10544 final VerificationInfo verificationInfo = new VerificationInfo( 10545 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 10546 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 10547 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 10548 null /*packageAbiOverride*/, null /*grantedPermissions*/); 10549 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10550 msg.obj = params; 10551 10552 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10553 System.identityHashCode(msg.obj)); 10554 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10555 System.identityHashCode(msg.obj)); 10556 10557 mHandler.sendMessage(msg); 10558 } 10559 10560 void installStage(String packageName, File stagedDir, String stagedCid, 10561 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10562 String installerPackageName, int installerUid, UserHandle user) { 10563 if (DEBUG_EPHEMERAL) { 10564 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10565 Slog.d(TAG, "Ephemeral install of " + packageName); 10566 } 10567 } 10568 final VerificationInfo verificationInfo = new VerificationInfo( 10569 sessionParams.originatingUri, sessionParams.referrerUri, 10570 sessionParams.originatingUid, installerUid); 10571 10572 final OriginInfo origin; 10573 if (stagedDir != null) { 10574 origin = OriginInfo.fromStagedFile(stagedDir); 10575 } else { 10576 origin = OriginInfo.fromStagedContainer(stagedCid); 10577 } 10578 10579 final Message msg = mHandler.obtainMessage(INIT_COPY); 10580 final InstallParams params = new InstallParams(origin, null, observer, 10581 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10582 verificationInfo, user, sessionParams.abiOverride, 10583 sessionParams.grantedRuntimePermissions); 10584 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10585 msg.obj = params; 10586 10587 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10588 System.identityHashCode(msg.obj)); 10589 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10590 System.identityHashCode(msg.obj)); 10591 10592 mHandler.sendMessage(msg); 10593 } 10594 10595 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 10596 int userId) { 10597 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10598 sendPackageAddedForUser(packageName, isSystem, pkgSetting.appId, userId); 10599 } 10600 10601 private void sendPackageAddedForUser(String packageName, boolean isSystem, 10602 int appId, int userId) { 10603 Bundle extras = new Bundle(1); 10604 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, appId)); 10605 10606 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10607 packageName, extras, 0, null, null, new int[] {userId}); 10608 try { 10609 IActivityManager am = ActivityManagerNative.getDefault(); 10610 if (isSystem && am.isUserRunning(userId, 0)) { 10611 // The just-installed/enabled app is bundled on the system, so presumed 10612 // to be able to run automatically without needing an explicit launch. 10613 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10614 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10615 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10616 .setPackage(packageName); 10617 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10618 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10619 } 10620 } catch (RemoteException e) { 10621 // shouldn't happen 10622 Slog.w(TAG, "Unable to bootstrap installed package", e); 10623 } 10624 } 10625 10626 @Override 10627 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10628 int userId) { 10629 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10630 PackageSetting pkgSetting; 10631 final int uid = Binder.getCallingUid(); 10632 enforceCrossUserPermission(uid, userId, 10633 true /* requireFullPermission */, true /* checkShell */, 10634 "setApplicationHiddenSetting for user " + userId); 10635 10636 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10637 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10638 return false; 10639 } 10640 10641 long callingId = Binder.clearCallingIdentity(); 10642 try { 10643 boolean sendAdded = false; 10644 boolean sendRemoved = false; 10645 // writer 10646 synchronized (mPackages) { 10647 pkgSetting = mSettings.mPackages.get(packageName); 10648 if (pkgSetting == null) { 10649 return false; 10650 } 10651 if (pkgSetting.getHidden(userId) != hidden) { 10652 pkgSetting.setHidden(hidden, userId); 10653 mSettings.writePackageRestrictionsLPr(userId); 10654 if (hidden) { 10655 sendRemoved = true; 10656 } else { 10657 sendAdded = true; 10658 } 10659 } 10660 } 10661 if (sendAdded) { 10662 sendPackageAddedForUser(packageName, pkgSetting, userId); 10663 return true; 10664 } 10665 if (sendRemoved) { 10666 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10667 "hiding pkg"); 10668 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10669 return true; 10670 } 10671 } finally { 10672 Binder.restoreCallingIdentity(callingId); 10673 } 10674 return false; 10675 } 10676 10677 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10678 int userId) { 10679 final PackageRemovedInfo info = new PackageRemovedInfo(); 10680 info.removedPackage = packageName; 10681 info.removedUsers = new int[] {userId}; 10682 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10683 info.sendPackageRemovedBroadcasts(true /*killApp*/); 10684 } 10685 10686 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 10687 if (pkgList.length > 0) { 10688 Bundle extras = new Bundle(1); 10689 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 10690 10691 sendPackageBroadcast( 10692 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 10693 : Intent.ACTION_PACKAGES_UNSUSPENDED, 10694 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 10695 new int[] {userId}); 10696 } 10697 } 10698 10699 /** 10700 * Returns true if application is not found or there was an error. Otherwise it returns 10701 * the hidden state of the package for the given user. 10702 */ 10703 @Override 10704 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10705 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10706 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10707 true /* requireFullPermission */, false /* checkShell */, 10708 "getApplicationHidden for user " + userId); 10709 PackageSetting pkgSetting; 10710 long callingId = Binder.clearCallingIdentity(); 10711 try { 10712 // writer 10713 synchronized (mPackages) { 10714 pkgSetting = mSettings.mPackages.get(packageName); 10715 if (pkgSetting == null) { 10716 return true; 10717 } 10718 return pkgSetting.getHidden(userId); 10719 } 10720 } finally { 10721 Binder.restoreCallingIdentity(callingId); 10722 } 10723 } 10724 10725 /** 10726 * @hide 10727 */ 10728 @Override 10729 public int installExistingPackageAsUser(String packageName, int userId) { 10730 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10731 null); 10732 PackageSetting pkgSetting; 10733 final int uid = Binder.getCallingUid(); 10734 enforceCrossUserPermission(uid, userId, 10735 true /* requireFullPermission */, true /* checkShell */, 10736 "installExistingPackage for user " + userId); 10737 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10738 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10739 } 10740 10741 long callingId = Binder.clearCallingIdentity(); 10742 try { 10743 boolean installed = false; 10744 10745 // writer 10746 synchronized (mPackages) { 10747 pkgSetting = mSettings.mPackages.get(packageName); 10748 if (pkgSetting == null) { 10749 return PackageManager.INSTALL_FAILED_INVALID_URI; 10750 } 10751 if (!pkgSetting.getInstalled(userId)) { 10752 pkgSetting.setInstalled(true, userId); 10753 pkgSetting.setHidden(false, userId); 10754 mSettings.writePackageRestrictionsLPr(userId); 10755 installed = true; 10756 } 10757 } 10758 10759 if (installed) { 10760 if (pkgSetting.pkg != null) { 10761 prepareAppDataAfterInstall(pkgSetting.pkg); 10762 } 10763 sendPackageAddedForUser(packageName, pkgSetting, userId); 10764 } 10765 } finally { 10766 Binder.restoreCallingIdentity(callingId); 10767 } 10768 10769 return PackageManager.INSTALL_SUCCEEDED; 10770 } 10771 10772 boolean isUserRestricted(int userId, String restrictionKey) { 10773 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10774 if (restrictions.getBoolean(restrictionKey, false)) { 10775 Log.w(TAG, "User is restricted: " + restrictionKey); 10776 return true; 10777 } 10778 return false; 10779 } 10780 10781 @Override 10782 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 10783 int userId) { 10784 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10785 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10786 true /* requireFullPermission */, true /* checkShell */, 10787 "setPackagesSuspended for user " + userId); 10788 10789 if (ArrayUtils.isEmpty(packageNames)) { 10790 return packageNames; 10791 } 10792 10793 // List of package names for whom the suspended state has changed. 10794 List<String> changedPackages = new ArrayList<>(packageNames.length); 10795 // List of package names for whom the suspended state is not set as requested in this 10796 // method. 10797 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 10798 for (int i = 0; i < packageNames.length; i++) { 10799 String packageName = packageNames[i]; 10800 long callingId = Binder.clearCallingIdentity(); 10801 try { 10802 boolean changed = false; 10803 final int appId; 10804 synchronized (mPackages) { 10805 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10806 if (pkgSetting == null) { 10807 Slog.w(TAG, "Could not find package setting for package \"" + packageName 10808 + "\". Skipping suspending/un-suspending."); 10809 unactionedPackages.add(packageName); 10810 continue; 10811 } 10812 appId = pkgSetting.appId; 10813 if (pkgSetting.getSuspended(userId) != suspended) { 10814 if (!canSuspendPackageForUserLocked(packageName, userId)) { 10815 unactionedPackages.add(packageName); 10816 continue; 10817 } 10818 pkgSetting.setSuspended(suspended, userId); 10819 mSettings.writePackageRestrictionsLPr(userId); 10820 changed = true; 10821 changedPackages.add(packageName); 10822 } 10823 } 10824 10825 if (changed && suspended) { 10826 killApplication(packageName, UserHandle.getUid(userId, appId), 10827 "suspending package"); 10828 } 10829 } finally { 10830 Binder.restoreCallingIdentity(callingId); 10831 } 10832 } 10833 10834 if (!changedPackages.isEmpty()) { 10835 sendPackagesSuspendedForUser(changedPackages.toArray( 10836 new String[changedPackages.size()]), userId, suspended); 10837 } 10838 10839 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 10840 } 10841 10842 @Override 10843 public boolean isPackageSuspendedForUser(String packageName, int userId) { 10844 enforceCrossUserPermission(Binder.getCallingUid(), userId, 10845 true /* requireFullPermission */, false /* checkShell */, 10846 "isPackageSuspendedForUser for user " + userId); 10847 synchronized (mPackages) { 10848 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10849 return pkgSetting != null && pkgSetting.getSuspended(userId); 10850 } 10851 } 10852 10853 /** 10854 * TODO: cache and disallow blocking the active dialer. 10855 * 10856 * @see also DefaultPermissionGrantPolicy#grantDefaultSystemHandlerPermissions 10857 */ 10858 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 10859 if (isPackageDeviceAdmin(packageName, userId)) { 10860 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10861 + "\": has an active device admin"); 10862 return false; 10863 } 10864 10865 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 10866 if (packageName.equals(activeLauncherPackageName)) { 10867 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10868 + "\": contains the active launcher"); 10869 return false; 10870 } 10871 10872 if (packageName.equals(mRequiredInstallerPackage)) { 10873 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10874 + "\": required for package installation"); 10875 return false; 10876 } 10877 10878 if (packageName.equals(mRequiredVerifierPackage)) { 10879 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10880 + "\": required for package verification"); 10881 return false; 10882 } 10883 10884 final PackageParser.Package pkg = mPackages.get(packageName); 10885 if (pkg != null && isPrivilegedApp(pkg)) { 10886 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 10887 + "\": is a privileged app"); 10888 return false; 10889 } 10890 10891 return true; 10892 } 10893 10894 private String getActiveLauncherPackageName(int userId) { 10895 Intent intent = new Intent(Intent.ACTION_MAIN); 10896 intent.addCategory(Intent.CATEGORY_HOME); 10897 ResolveInfo resolveInfo = resolveIntent( 10898 intent, 10899 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 10900 PackageManager.MATCH_DEFAULT_ONLY, 10901 userId); 10902 10903 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 10904 } 10905 10906 @Override 10907 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10908 mContext.enforceCallingOrSelfPermission( 10909 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10910 "Only package verification agents can verify applications"); 10911 10912 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10913 final PackageVerificationResponse response = new PackageVerificationResponse( 10914 verificationCode, Binder.getCallingUid()); 10915 msg.arg1 = id; 10916 msg.obj = response; 10917 mHandler.sendMessage(msg); 10918 } 10919 10920 @Override 10921 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10922 long millisecondsToDelay) { 10923 mContext.enforceCallingOrSelfPermission( 10924 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10925 "Only package verification agents can extend verification timeouts"); 10926 10927 final PackageVerificationState state = mPendingVerification.get(id); 10928 final PackageVerificationResponse response = new PackageVerificationResponse( 10929 verificationCodeAtTimeout, Binder.getCallingUid()); 10930 10931 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10932 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10933 } 10934 if (millisecondsToDelay < 0) { 10935 millisecondsToDelay = 0; 10936 } 10937 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10938 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10939 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10940 } 10941 10942 if ((state != null) && !state.timeoutExtended()) { 10943 state.extendTimeout(); 10944 10945 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10946 msg.arg1 = id; 10947 msg.obj = response; 10948 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10949 } 10950 } 10951 10952 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10953 int verificationCode, UserHandle user) { 10954 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10955 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10956 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10957 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10958 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10959 10960 mContext.sendBroadcastAsUser(intent, user, 10961 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10962 } 10963 10964 private ComponentName matchComponentForVerifier(String packageName, 10965 List<ResolveInfo> receivers) { 10966 ActivityInfo targetReceiver = null; 10967 10968 final int NR = receivers.size(); 10969 for (int i = 0; i < NR; i++) { 10970 final ResolveInfo info = receivers.get(i); 10971 if (info.activityInfo == null) { 10972 continue; 10973 } 10974 10975 if (packageName.equals(info.activityInfo.packageName)) { 10976 targetReceiver = info.activityInfo; 10977 break; 10978 } 10979 } 10980 10981 if (targetReceiver == null) { 10982 return null; 10983 } 10984 10985 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10986 } 10987 10988 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10989 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10990 if (pkgInfo.verifiers.length == 0) { 10991 return null; 10992 } 10993 10994 final int N = pkgInfo.verifiers.length; 10995 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10996 for (int i = 0; i < N; i++) { 10997 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10998 10999 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 11000 receivers); 11001 if (comp == null) { 11002 continue; 11003 } 11004 11005 final int verifierUid = getUidForVerifier(verifierInfo); 11006 if (verifierUid == -1) { 11007 continue; 11008 } 11009 11010 if (DEBUG_VERIFY) { 11011 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 11012 + " with the correct signature"); 11013 } 11014 sufficientVerifiers.add(comp); 11015 verificationState.addSufficientVerifier(verifierUid); 11016 } 11017 11018 return sufficientVerifiers; 11019 } 11020 11021 private int getUidForVerifier(VerifierInfo verifierInfo) { 11022 synchronized (mPackages) { 11023 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 11024 if (pkg == null) { 11025 return -1; 11026 } else if (pkg.mSignatures.length != 1) { 11027 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11028 + " has more than one signature; ignoring"); 11029 return -1; 11030 } 11031 11032 /* 11033 * If the public key of the package's signature does not match 11034 * our expected public key, then this is a different package and 11035 * we should skip. 11036 */ 11037 11038 final byte[] expectedPublicKey; 11039 try { 11040 final Signature verifierSig = pkg.mSignatures[0]; 11041 final PublicKey publicKey = verifierSig.getPublicKey(); 11042 expectedPublicKey = publicKey.getEncoded(); 11043 } catch (CertificateException e) { 11044 return -1; 11045 } 11046 11047 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 11048 11049 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 11050 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 11051 + " does not have the expected public key; ignoring"); 11052 return -1; 11053 } 11054 11055 return pkg.applicationInfo.uid; 11056 } 11057 } 11058 11059 @Override 11060 public void finishPackageInstall(int token) { 11061 enforceSystemOrRoot("Only the system is allowed to finish installs"); 11062 11063 if (DEBUG_INSTALL) { 11064 Slog.v(TAG, "BM finishing package install for " + token); 11065 } 11066 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11067 11068 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11069 mHandler.sendMessage(msg); 11070 } 11071 11072 /** 11073 * Get the verification agent timeout. 11074 * 11075 * @return verification timeout in milliseconds 11076 */ 11077 private long getVerificationTimeout() { 11078 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 11079 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 11080 DEFAULT_VERIFICATION_TIMEOUT); 11081 } 11082 11083 /** 11084 * Get the default verification agent response code. 11085 * 11086 * @return default verification response code 11087 */ 11088 private int getDefaultVerificationResponse() { 11089 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11090 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 11091 DEFAULT_VERIFICATION_RESPONSE); 11092 } 11093 11094 /** 11095 * Check whether or not package verification has been enabled. 11096 * 11097 * @return true if verification should be performed 11098 */ 11099 private boolean isVerificationEnabled(int userId, int installFlags) { 11100 if (!DEFAULT_VERIFY_ENABLE) { 11101 return false; 11102 } 11103 // Ephemeral apps don't get the full verification treatment 11104 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 11105 if (DEBUG_EPHEMERAL) { 11106 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 11107 } 11108 return false; 11109 } 11110 11111 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 11112 11113 // Check if installing from ADB 11114 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 11115 // Do not run verification in a test harness environment 11116 if (ActivityManager.isRunningInTestHarness()) { 11117 return false; 11118 } 11119 if (ensureVerifyAppsEnabled) { 11120 return true; 11121 } 11122 // Check if the developer does not want package verification for ADB installs 11123 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11124 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 11125 return false; 11126 } 11127 } 11128 11129 if (ensureVerifyAppsEnabled) { 11130 return true; 11131 } 11132 11133 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11134 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 11135 } 11136 11137 @Override 11138 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 11139 throws RemoteException { 11140 mContext.enforceCallingOrSelfPermission( 11141 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 11142 "Only intentfilter verification agents can verify applications"); 11143 11144 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 11145 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 11146 Binder.getCallingUid(), verificationCode, failedDomains); 11147 msg.arg1 = id; 11148 msg.obj = response; 11149 mHandler.sendMessage(msg); 11150 } 11151 11152 @Override 11153 public int getIntentVerificationStatus(String packageName, int userId) { 11154 synchronized (mPackages) { 11155 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 11156 } 11157 } 11158 11159 @Override 11160 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 11161 mContext.enforceCallingOrSelfPermission( 11162 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11163 11164 boolean result = false; 11165 synchronized (mPackages) { 11166 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 11167 } 11168 if (result) { 11169 scheduleWritePackageRestrictionsLocked(userId); 11170 } 11171 return result; 11172 } 11173 11174 @Override 11175 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 11176 String packageName) { 11177 synchronized (mPackages) { 11178 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 11179 } 11180 } 11181 11182 @Override 11183 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 11184 if (TextUtils.isEmpty(packageName)) { 11185 return ParceledListSlice.emptyList(); 11186 } 11187 synchronized (mPackages) { 11188 PackageParser.Package pkg = mPackages.get(packageName); 11189 if (pkg == null || pkg.activities == null) { 11190 return ParceledListSlice.emptyList(); 11191 } 11192 final int count = pkg.activities.size(); 11193 ArrayList<IntentFilter> result = new ArrayList<>(); 11194 for (int n=0; n<count; n++) { 11195 PackageParser.Activity activity = pkg.activities.get(n); 11196 if (activity.intents != null && activity.intents.size() > 0) { 11197 result.addAll(activity.intents); 11198 } 11199 } 11200 return new ParceledListSlice<>(result); 11201 } 11202 } 11203 11204 @Override 11205 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 11206 mContext.enforceCallingOrSelfPermission( 11207 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11208 11209 synchronized (mPackages) { 11210 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 11211 if (packageName != null) { 11212 result |= updateIntentVerificationStatus(packageName, 11213 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 11214 userId); 11215 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 11216 packageName, userId); 11217 } 11218 return result; 11219 } 11220 } 11221 11222 @Override 11223 public String getDefaultBrowserPackageName(int userId) { 11224 synchronized (mPackages) { 11225 return mSettings.getDefaultBrowserPackageNameLPw(userId); 11226 } 11227 } 11228 11229 /** 11230 * Get the "allow unknown sources" setting. 11231 * 11232 * @return the current "allow unknown sources" setting 11233 */ 11234 private int getUnknownSourcesSettings() { 11235 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11236 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 11237 -1); 11238 } 11239 11240 @Override 11241 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 11242 final int uid = Binder.getCallingUid(); 11243 // writer 11244 synchronized (mPackages) { 11245 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 11246 if (targetPackageSetting == null) { 11247 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 11248 } 11249 11250 PackageSetting installerPackageSetting; 11251 if (installerPackageName != null) { 11252 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 11253 if (installerPackageSetting == null) { 11254 throw new IllegalArgumentException("Unknown installer package: " 11255 + installerPackageName); 11256 } 11257 } else { 11258 installerPackageSetting = null; 11259 } 11260 11261 Signature[] callerSignature; 11262 Object obj = mSettings.getUserIdLPr(uid); 11263 if (obj != null) { 11264 if (obj instanceof SharedUserSetting) { 11265 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 11266 } else if (obj instanceof PackageSetting) { 11267 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 11268 } else { 11269 throw new SecurityException("Bad object " + obj + " for uid " + uid); 11270 } 11271 } else { 11272 throw new SecurityException("Unknown calling UID: " + uid); 11273 } 11274 11275 // Verify: can't set installerPackageName to a package that is 11276 // not signed with the same cert as the caller. 11277 if (installerPackageSetting != null) { 11278 if (compareSignatures(callerSignature, 11279 installerPackageSetting.signatures.mSignatures) 11280 != PackageManager.SIGNATURE_MATCH) { 11281 throw new SecurityException( 11282 "Caller does not have same cert as new installer package " 11283 + installerPackageName); 11284 } 11285 } 11286 11287 // Verify: if target already has an installer package, it must 11288 // be signed with the same cert as the caller. 11289 if (targetPackageSetting.installerPackageName != null) { 11290 PackageSetting setting = mSettings.mPackages.get( 11291 targetPackageSetting.installerPackageName); 11292 // If the currently set package isn't valid, then it's always 11293 // okay to change it. 11294 if (setting != null) { 11295 if (compareSignatures(callerSignature, 11296 setting.signatures.mSignatures) 11297 != PackageManager.SIGNATURE_MATCH) { 11298 throw new SecurityException( 11299 "Caller does not have same cert as old installer package " 11300 + targetPackageSetting.installerPackageName); 11301 } 11302 } 11303 } 11304 11305 // Okay! 11306 targetPackageSetting.installerPackageName = installerPackageName; 11307 scheduleWriteSettingsLocked(); 11308 } 11309 } 11310 11311 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 11312 // Queue up an async operation since the package installation may take a little while. 11313 mHandler.post(new Runnable() { 11314 public void run() { 11315 mHandler.removeCallbacks(this); 11316 // Result object to be returned 11317 PackageInstalledInfo res = new PackageInstalledInfo(); 11318 res.setReturnCode(currentStatus); 11319 res.uid = -1; 11320 res.pkg = null; 11321 res.removedInfo = null; 11322 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 11323 args.doPreInstall(res.returnCode); 11324 synchronized (mInstallLock) { 11325 installPackageTracedLI(args, res); 11326 } 11327 args.doPostInstall(res.returnCode, res.uid); 11328 } 11329 11330 // A restore should be performed at this point if (a) the install 11331 // succeeded, (b) the operation is not an update, and (c) the new 11332 // package has not opted out of backup participation. 11333 final boolean update = res.removedInfo != null 11334 && res.removedInfo.removedPackage != null; 11335 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 11336 boolean doRestore = !update 11337 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 11338 11339 // Set up the post-install work request bookkeeping. This will be used 11340 // and cleaned up by the post-install event handling regardless of whether 11341 // there's a restore pass performed. Token values are >= 1. 11342 int token; 11343 if (mNextInstallToken < 0) mNextInstallToken = 1; 11344 token = mNextInstallToken++; 11345 11346 PostInstallData data = new PostInstallData(args, res); 11347 mRunningInstalls.put(token, data); 11348 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 11349 11350 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 11351 // Pass responsibility to the Backup Manager. It will perform a 11352 // restore if appropriate, then pass responsibility back to the 11353 // Package Manager to run the post-install observer callbacks 11354 // and broadcasts. 11355 IBackupManager bm = IBackupManager.Stub.asInterface( 11356 ServiceManager.getService(Context.BACKUP_SERVICE)); 11357 if (bm != null) { 11358 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 11359 + " to BM for possible restore"); 11360 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 11361 try { 11362 // TODO: http://b/22388012 11363 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 11364 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 11365 } else { 11366 doRestore = false; 11367 } 11368 } catch (RemoteException e) { 11369 // can't happen; the backup manager is local 11370 } catch (Exception e) { 11371 Slog.e(TAG, "Exception trying to enqueue restore", e); 11372 doRestore = false; 11373 } 11374 } else { 11375 Slog.e(TAG, "Backup Manager not found!"); 11376 doRestore = false; 11377 } 11378 } 11379 11380 if (!doRestore) { 11381 // No restore possible, or the Backup Manager was mysteriously not 11382 // available -- just fire the post-install work request directly. 11383 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 11384 11385 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 11386 11387 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 11388 mHandler.sendMessage(msg); 11389 } 11390 } 11391 }); 11392 } 11393 11394 private abstract class HandlerParams { 11395 private static final int MAX_RETRIES = 4; 11396 11397 /** 11398 * Number of times startCopy() has been attempted and had a non-fatal 11399 * error. 11400 */ 11401 private int mRetries = 0; 11402 11403 /** User handle for the user requesting the information or installation. */ 11404 private final UserHandle mUser; 11405 String traceMethod; 11406 int traceCookie; 11407 11408 HandlerParams(UserHandle user) { 11409 mUser = user; 11410 } 11411 11412 UserHandle getUser() { 11413 return mUser; 11414 } 11415 11416 HandlerParams setTraceMethod(String traceMethod) { 11417 this.traceMethod = traceMethod; 11418 return this; 11419 } 11420 11421 HandlerParams setTraceCookie(int traceCookie) { 11422 this.traceCookie = traceCookie; 11423 return this; 11424 } 11425 11426 final boolean startCopy() { 11427 boolean res; 11428 try { 11429 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 11430 11431 if (++mRetries > MAX_RETRIES) { 11432 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 11433 mHandler.sendEmptyMessage(MCS_GIVE_UP); 11434 handleServiceError(); 11435 return false; 11436 } else { 11437 handleStartCopy(); 11438 res = true; 11439 } 11440 } catch (RemoteException e) { 11441 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 11442 mHandler.sendEmptyMessage(MCS_RECONNECT); 11443 res = false; 11444 } 11445 handleReturnCode(); 11446 return res; 11447 } 11448 11449 final void serviceError() { 11450 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 11451 handleServiceError(); 11452 handleReturnCode(); 11453 } 11454 11455 abstract void handleStartCopy() throws RemoteException; 11456 abstract void handleServiceError(); 11457 abstract void handleReturnCode(); 11458 } 11459 11460 class MeasureParams extends HandlerParams { 11461 private final PackageStats mStats; 11462 private boolean mSuccess; 11463 11464 private final IPackageStatsObserver mObserver; 11465 11466 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 11467 super(new UserHandle(stats.userHandle)); 11468 mObserver = observer; 11469 mStats = stats; 11470 } 11471 11472 @Override 11473 public String toString() { 11474 return "MeasureParams{" 11475 + Integer.toHexString(System.identityHashCode(this)) 11476 + " " + mStats.packageName + "}"; 11477 } 11478 11479 @Override 11480 void handleStartCopy() throws RemoteException { 11481 synchronized (mInstallLock) { 11482 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 11483 } 11484 11485 if (mSuccess) { 11486 final boolean mounted; 11487 if (Environment.isExternalStorageEmulated()) { 11488 mounted = true; 11489 } else { 11490 final String status = Environment.getExternalStorageState(); 11491 mounted = (Environment.MEDIA_MOUNTED.equals(status) 11492 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 11493 } 11494 11495 if (mounted) { 11496 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 11497 11498 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 11499 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 11500 11501 mStats.externalDataSize = calculateDirectorySize(mContainerService, 11502 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 11503 11504 // Always subtract cache size, since it's a subdirectory 11505 mStats.externalDataSize -= mStats.externalCacheSize; 11506 11507 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 11508 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 11509 11510 mStats.externalObbSize = calculateDirectorySize(mContainerService, 11511 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 11512 } 11513 } 11514 } 11515 11516 @Override 11517 void handleReturnCode() { 11518 if (mObserver != null) { 11519 try { 11520 mObserver.onGetStatsCompleted(mStats, mSuccess); 11521 } catch (RemoteException e) { 11522 Slog.i(TAG, "Observer no longer exists."); 11523 } 11524 } 11525 } 11526 11527 @Override 11528 void handleServiceError() { 11529 Slog.e(TAG, "Could not measure application " + mStats.packageName 11530 + " external storage"); 11531 } 11532 } 11533 11534 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 11535 throws RemoteException { 11536 long result = 0; 11537 for (File path : paths) { 11538 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 11539 } 11540 return result; 11541 } 11542 11543 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 11544 for (File path : paths) { 11545 try { 11546 mcs.clearDirectory(path.getAbsolutePath()); 11547 } catch (RemoteException e) { 11548 } 11549 } 11550 } 11551 11552 static class OriginInfo { 11553 /** 11554 * Location where install is coming from, before it has been 11555 * copied/renamed into place. This could be a single monolithic APK 11556 * file, or a cluster directory. This location may be untrusted. 11557 */ 11558 final File file; 11559 final String cid; 11560 11561 /** 11562 * Flag indicating that {@link #file} or {@link #cid} has already been 11563 * staged, meaning downstream users don't need to defensively copy the 11564 * contents. 11565 */ 11566 final boolean staged; 11567 11568 /** 11569 * Flag indicating that {@link #file} or {@link #cid} is an already 11570 * installed app that is being moved. 11571 */ 11572 final boolean existing; 11573 11574 final String resolvedPath; 11575 final File resolvedFile; 11576 11577 static OriginInfo fromNothing() { 11578 return new OriginInfo(null, null, false, false); 11579 } 11580 11581 static OriginInfo fromUntrustedFile(File file) { 11582 return new OriginInfo(file, null, false, false); 11583 } 11584 11585 static OriginInfo fromExistingFile(File file) { 11586 return new OriginInfo(file, null, false, true); 11587 } 11588 11589 static OriginInfo fromStagedFile(File file) { 11590 return new OriginInfo(file, null, true, false); 11591 } 11592 11593 static OriginInfo fromStagedContainer(String cid) { 11594 return new OriginInfo(null, cid, true, false); 11595 } 11596 11597 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 11598 this.file = file; 11599 this.cid = cid; 11600 this.staged = staged; 11601 this.existing = existing; 11602 11603 if (cid != null) { 11604 resolvedPath = PackageHelper.getSdDir(cid); 11605 resolvedFile = new File(resolvedPath); 11606 } else if (file != null) { 11607 resolvedPath = file.getAbsolutePath(); 11608 resolvedFile = file; 11609 } else { 11610 resolvedPath = null; 11611 resolvedFile = null; 11612 } 11613 } 11614 } 11615 11616 static class MoveInfo { 11617 final int moveId; 11618 final String fromUuid; 11619 final String toUuid; 11620 final String packageName; 11621 final String dataAppName; 11622 final int appId; 11623 final String seinfo; 11624 final int targetSdkVersion; 11625 11626 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11627 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 11628 this.moveId = moveId; 11629 this.fromUuid = fromUuid; 11630 this.toUuid = toUuid; 11631 this.packageName = packageName; 11632 this.dataAppName = dataAppName; 11633 this.appId = appId; 11634 this.seinfo = seinfo; 11635 this.targetSdkVersion = targetSdkVersion; 11636 } 11637 } 11638 11639 static class VerificationInfo { 11640 /** A constant used to indicate that a uid value is not present. */ 11641 public static final int NO_UID = -1; 11642 11643 /** URI referencing where the package was downloaded from. */ 11644 final Uri originatingUri; 11645 11646 /** HTTP referrer URI associated with the originatingURI. */ 11647 final Uri referrer; 11648 11649 /** UID of the application that the install request originated from. */ 11650 final int originatingUid; 11651 11652 /** UID of application requesting the install */ 11653 final int installerUid; 11654 11655 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 11656 this.originatingUri = originatingUri; 11657 this.referrer = referrer; 11658 this.originatingUid = originatingUid; 11659 this.installerUid = installerUid; 11660 } 11661 } 11662 11663 class InstallParams extends HandlerParams { 11664 final OriginInfo origin; 11665 final MoveInfo move; 11666 final IPackageInstallObserver2 observer; 11667 int installFlags; 11668 final String installerPackageName; 11669 final String volumeUuid; 11670 private InstallArgs mArgs; 11671 private int mRet; 11672 final String packageAbiOverride; 11673 final String[] grantedRuntimePermissions; 11674 final VerificationInfo verificationInfo; 11675 11676 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11677 int installFlags, String installerPackageName, String volumeUuid, 11678 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 11679 String[] grantedPermissions) { 11680 super(user); 11681 this.origin = origin; 11682 this.move = move; 11683 this.observer = observer; 11684 this.installFlags = installFlags; 11685 this.installerPackageName = installerPackageName; 11686 this.volumeUuid = volumeUuid; 11687 this.verificationInfo = verificationInfo; 11688 this.packageAbiOverride = packageAbiOverride; 11689 this.grantedRuntimePermissions = grantedPermissions; 11690 } 11691 11692 @Override 11693 public String toString() { 11694 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11695 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11696 } 11697 11698 private int installLocationPolicy(PackageInfoLite pkgLite) { 11699 String packageName = pkgLite.packageName; 11700 int installLocation = pkgLite.installLocation; 11701 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11702 // reader 11703 synchronized (mPackages) { 11704 // Currently installed package which the new package is attempting to replace or 11705 // null if no such package is installed. 11706 PackageParser.Package installedPkg = mPackages.get(packageName); 11707 // Package which currently owns the data which the new package will own if installed. 11708 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 11709 // will be null whereas dataOwnerPkg will contain information about the package 11710 // which was uninstalled while keeping its data. 11711 PackageParser.Package dataOwnerPkg = installedPkg; 11712 if (dataOwnerPkg == null) { 11713 PackageSetting ps = mSettings.mPackages.get(packageName); 11714 if (ps != null) { 11715 dataOwnerPkg = ps.pkg; 11716 } 11717 } 11718 11719 if (dataOwnerPkg != null) { 11720 // If installed, the package will get access to data left on the device by its 11721 // predecessor. As a security measure, this is permited only if this is not a 11722 // version downgrade or if the predecessor package is marked as debuggable and 11723 // a downgrade is explicitly requested. 11724 if (((dataOwnerPkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0) 11725 || ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0)) { 11726 try { 11727 checkDowngrade(dataOwnerPkg, pkgLite); 11728 } catch (PackageManagerException e) { 11729 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11730 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11731 } 11732 } 11733 } 11734 11735 if (installedPkg != null) { 11736 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11737 // Check for updated system application. 11738 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11739 if (onSd) { 11740 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11741 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11742 } 11743 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11744 } else { 11745 if (onSd) { 11746 // Install flag overrides everything. 11747 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11748 } 11749 // If current upgrade specifies particular preference 11750 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11751 // Application explicitly specified internal. 11752 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11753 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11754 // App explictly prefers external. Let policy decide 11755 } else { 11756 // Prefer previous location 11757 if (isExternal(installedPkg)) { 11758 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11759 } 11760 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11761 } 11762 } 11763 } else { 11764 // Invalid install. Return error code 11765 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11766 } 11767 } 11768 } 11769 // All the special cases have been taken care of. 11770 // Return result based on recommended install location. 11771 if (onSd) { 11772 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11773 } 11774 return pkgLite.recommendedInstallLocation; 11775 } 11776 11777 /* 11778 * Invoke remote method to get package information and install 11779 * location values. Override install location based on default 11780 * policy if needed and then create install arguments based 11781 * on the install location. 11782 */ 11783 public void handleStartCopy() throws RemoteException { 11784 int ret = PackageManager.INSTALL_SUCCEEDED; 11785 11786 // If we're already staged, we've firmly committed to an install location 11787 if (origin.staged) { 11788 if (origin.file != null) { 11789 installFlags |= PackageManager.INSTALL_INTERNAL; 11790 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11791 } else if (origin.cid != null) { 11792 installFlags |= PackageManager.INSTALL_EXTERNAL; 11793 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11794 } else { 11795 throw new IllegalStateException("Invalid stage location"); 11796 } 11797 } 11798 11799 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11800 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11801 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11802 PackageInfoLite pkgLite = null; 11803 11804 if (onInt && onSd) { 11805 // Check if both bits are set. 11806 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11807 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11808 } else if (onSd && ephemeral) { 11809 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11810 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11811 } else { 11812 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11813 packageAbiOverride); 11814 11815 if (DEBUG_EPHEMERAL && ephemeral) { 11816 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11817 } 11818 11819 /* 11820 * If we have too little free space, try to free cache 11821 * before giving up. 11822 */ 11823 if (!origin.staged && pkgLite.recommendedInstallLocation 11824 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11825 // TODO: focus freeing disk space on the target device 11826 final StorageManager storage = StorageManager.from(mContext); 11827 final long lowThreshold = storage.getStorageLowBytes( 11828 Environment.getDataDirectory()); 11829 11830 final long sizeBytes = mContainerService.calculateInstalledSize( 11831 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11832 11833 try { 11834 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11835 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11836 installFlags, packageAbiOverride); 11837 } catch (InstallerException e) { 11838 Slog.w(TAG, "Failed to free cache", e); 11839 } 11840 11841 /* 11842 * The cache free must have deleted the file we 11843 * downloaded to install. 11844 * 11845 * TODO: fix the "freeCache" call to not delete 11846 * the file we care about. 11847 */ 11848 if (pkgLite.recommendedInstallLocation 11849 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11850 pkgLite.recommendedInstallLocation 11851 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11852 } 11853 } 11854 } 11855 11856 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11857 int loc = pkgLite.recommendedInstallLocation; 11858 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11859 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11860 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11861 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11862 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11863 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11864 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11865 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11866 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11867 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11868 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11869 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11870 } else { 11871 // Override with defaults if needed. 11872 loc = installLocationPolicy(pkgLite); 11873 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11874 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11875 } else if (!onSd && !onInt) { 11876 // Override install location with flags 11877 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11878 // Set the flag to install on external media. 11879 installFlags |= PackageManager.INSTALL_EXTERNAL; 11880 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11881 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11882 if (DEBUG_EPHEMERAL) { 11883 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11884 } 11885 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11886 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11887 |PackageManager.INSTALL_INTERNAL); 11888 } else { 11889 // Make sure the flag for installing on external 11890 // media is unset 11891 installFlags |= PackageManager.INSTALL_INTERNAL; 11892 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11893 } 11894 } 11895 } 11896 } 11897 11898 final InstallArgs args = createInstallArgs(this); 11899 mArgs = args; 11900 11901 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11902 // TODO: http://b/22976637 11903 // Apps installed for "all" users use the device owner to verify the app 11904 UserHandle verifierUser = getUser(); 11905 if (verifierUser == UserHandle.ALL) { 11906 verifierUser = UserHandle.SYSTEM; 11907 } 11908 11909 /* 11910 * Determine if we have any installed package verifiers. If we 11911 * do, then we'll defer to them to verify the packages. 11912 */ 11913 final int requiredUid = mRequiredVerifierPackage == null ? -1 11914 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11915 verifierUser.getIdentifier()); 11916 if (!origin.existing && requiredUid != -1 11917 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11918 final Intent verification = new Intent( 11919 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11920 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11921 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11922 PACKAGE_MIME_TYPE); 11923 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11924 11925 // Query all live verifiers based on current user state 11926 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 11927 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11928 11929 if (DEBUG_VERIFY) { 11930 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11931 + verification.toString() + " with " + pkgLite.verifiers.length 11932 + " optional verifiers"); 11933 } 11934 11935 final int verificationId = mPendingVerificationToken++; 11936 11937 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11938 11939 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11940 installerPackageName); 11941 11942 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11943 installFlags); 11944 11945 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11946 pkgLite.packageName); 11947 11948 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11949 pkgLite.versionCode); 11950 11951 if (verificationInfo != null) { 11952 if (verificationInfo.originatingUri != null) { 11953 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11954 verificationInfo.originatingUri); 11955 } 11956 if (verificationInfo.referrer != null) { 11957 verification.putExtra(Intent.EXTRA_REFERRER, 11958 verificationInfo.referrer); 11959 } 11960 if (verificationInfo.originatingUid >= 0) { 11961 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11962 verificationInfo.originatingUid); 11963 } 11964 if (verificationInfo.installerUid >= 0) { 11965 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11966 verificationInfo.installerUid); 11967 } 11968 } 11969 11970 final PackageVerificationState verificationState = new PackageVerificationState( 11971 requiredUid, args); 11972 11973 mPendingVerification.append(verificationId, verificationState); 11974 11975 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11976 receivers, verificationState); 11977 11978 /* 11979 * If any sufficient verifiers were listed in the package 11980 * manifest, attempt to ask them. 11981 */ 11982 if (sufficientVerifiers != null) { 11983 final int N = sufficientVerifiers.size(); 11984 if (N == 0) { 11985 Slog.i(TAG, "Additional verifiers required, but none installed."); 11986 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11987 } else { 11988 for (int i = 0; i < N; i++) { 11989 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11990 11991 final Intent sufficientIntent = new Intent(verification); 11992 sufficientIntent.setComponent(verifierComponent); 11993 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11994 } 11995 } 11996 } 11997 11998 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11999 mRequiredVerifierPackage, receivers); 12000 if (ret == PackageManager.INSTALL_SUCCEEDED 12001 && mRequiredVerifierPackage != null) { 12002 Trace.asyncTraceBegin( 12003 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 12004 /* 12005 * Send the intent to the required verification agent, 12006 * but only start the verification timeout after the 12007 * target BroadcastReceivers have run. 12008 */ 12009 verification.setComponent(requiredVerifierComponent); 12010 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 12011 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12012 new BroadcastReceiver() { 12013 @Override 12014 public void onReceive(Context context, Intent intent) { 12015 final Message msg = mHandler 12016 .obtainMessage(CHECK_PENDING_VERIFICATION); 12017 msg.arg1 = verificationId; 12018 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 12019 } 12020 }, null, 0, null, null); 12021 12022 /* 12023 * We don't want the copy to proceed until verification 12024 * succeeds, so null out this field. 12025 */ 12026 mArgs = null; 12027 } 12028 } else { 12029 /* 12030 * No package verification is enabled, so immediately start 12031 * the remote call to initiate copy using temporary file. 12032 */ 12033 ret = args.copyApk(mContainerService, true); 12034 } 12035 } 12036 12037 mRet = ret; 12038 } 12039 12040 @Override 12041 void handleReturnCode() { 12042 // If mArgs is null, then MCS couldn't be reached. When it 12043 // reconnects, it will try again to install. At that point, this 12044 // will succeed. 12045 if (mArgs != null) { 12046 processPendingInstall(mArgs, mRet); 12047 } 12048 } 12049 12050 @Override 12051 void handleServiceError() { 12052 mArgs = createInstallArgs(this); 12053 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12054 } 12055 12056 public boolean isForwardLocked() { 12057 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12058 } 12059 } 12060 12061 /** 12062 * Used during creation of InstallArgs 12063 * 12064 * @param installFlags package installation flags 12065 * @return true if should be installed on external storage 12066 */ 12067 private static boolean installOnExternalAsec(int installFlags) { 12068 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 12069 return false; 12070 } 12071 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12072 return true; 12073 } 12074 return false; 12075 } 12076 12077 /** 12078 * Used during creation of InstallArgs 12079 * 12080 * @param installFlags package installation flags 12081 * @return true if should be installed as forward locked 12082 */ 12083 private static boolean installForwardLocked(int installFlags) { 12084 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12085 } 12086 12087 private InstallArgs createInstallArgs(InstallParams params) { 12088 if (params.move != null) { 12089 return new MoveInstallArgs(params); 12090 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 12091 return new AsecInstallArgs(params); 12092 } else { 12093 return new FileInstallArgs(params); 12094 } 12095 } 12096 12097 /** 12098 * Create args that describe an existing installed package. Typically used 12099 * when cleaning up old installs, or used as a move source. 12100 */ 12101 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 12102 String resourcePath, String[] instructionSets) { 12103 final boolean isInAsec; 12104 if (installOnExternalAsec(installFlags)) { 12105 /* Apps on SD card are always in ASEC containers. */ 12106 isInAsec = true; 12107 } else if (installForwardLocked(installFlags) 12108 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 12109 /* 12110 * Forward-locked apps are only in ASEC containers if they're the 12111 * new style 12112 */ 12113 isInAsec = true; 12114 } else { 12115 isInAsec = false; 12116 } 12117 12118 if (isInAsec) { 12119 return new AsecInstallArgs(codePath, instructionSets, 12120 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 12121 } else { 12122 return new FileInstallArgs(codePath, resourcePath, instructionSets); 12123 } 12124 } 12125 12126 static abstract class InstallArgs { 12127 /** @see InstallParams#origin */ 12128 final OriginInfo origin; 12129 /** @see InstallParams#move */ 12130 final MoveInfo move; 12131 12132 final IPackageInstallObserver2 observer; 12133 // Always refers to PackageManager flags only 12134 final int installFlags; 12135 final String installerPackageName; 12136 final String volumeUuid; 12137 final UserHandle user; 12138 final String abiOverride; 12139 final String[] installGrantPermissions; 12140 /** If non-null, drop an async trace when the install completes */ 12141 final String traceMethod; 12142 final int traceCookie; 12143 12144 // The list of instruction sets supported by this app. This is currently 12145 // only used during the rmdex() phase to clean up resources. We can get rid of this 12146 // if we move dex files under the common app path. 12147 /* nullable */ String[] instructionSets; 12148 12149 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 12150 int installFlags, String installerPackageName, String volumeUuid, 12151 UserHandle user, String[] instructionSets, 12152 String abiOverride, String[] installGrantPermissions, 12153 String traceMethod, int traceCookie) { 12154 this.origin = origin; 12155 this.move = move; 12156 this.installFlags = installFlags; 12157 this.observer = observer; 12158 this.installerPackageName = installerPackageName; 12159 this.volumeUuid = volumeUuid; 12160 this.user = user; 12161 this.instructionSets = instructionSets; 12162 this.abiOverride = abiOverride; 12163 this.installGrantPermissions = installGrantPermissions; 12164 this.traceMethod = traceMethod; 12165 this.traceCookie = traceCookie; 12166 } 12167 12168 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 12169 abstract int doPreInstall(int status); 12170 12171 /** 12172 * Rename package into final resting place. All paths on the given 12173 * scanned package should be updated to reflect the rename. 12174 */ 12175 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 12176 abstract int doPostInstall(int status, int uid); 12177 12178 /** @see PackageSettingBase#codePathString */ 12179 abstract String getCodePath(); 12180 /** @see PackageSettingBase#resourcePathString */ 12181 abstract String getResourcePath(); 12182 12183 // Need installer lock especially for dex file removal. 12184 abstract void cleanUpResourcesLI(); 12185 abstract boolean doPostDeleteLI(boolean delete); 12186 12187 /** 12188 * Called before the source arguments are copied. This is used mostly 12189 * for MoveParams when it needs to read the source file to put it in the 12190 * destination. 12191 */ 12192 int doPreCopy() { 12193 return PackageManager.INSTALL_SUCCEEDED; 12194 } 12195 12196 /** 12197 * Called after the source arguments are copied. This is used mostly for 12198 * MoveParams when it needs to read the source file to put it in the 12199 * destination. 12200 * 12201 * @return 12202 */ 12203 int doPostCopy(int uid) { 12204 return PackageManager.INSTALL_SUCCEEDED; 12205 } 12206 12207 protected boolean isFwdLocked() { 12208 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 12209 } 12210 12211 protected boolean isExternalAsec() { 12212 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 12213 } 12214 12215 protected boolean isEphemeral() { 12216 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12217 } 12218 12219 UserHandle getUser() { 12220 return user; 12221 } 12222 } 12223 12224 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 12225 if (!allCodePaths.isEmpty()) { 12226 if (instructionSets == null) { 12227 throw new IllegalStateException("instructionSet == null"); 12228 } 12229 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 12230 for (String codePath : allCodePaths) { 12231 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 12232 try { 12233 mInstaller.rmdex(codePath, dexCodeInstructionSet); 12234 } catch (InstallerException ignored) { 12235 } 12236 } 12237 } 12238 } 12239 } 12240 12241 /** 12242 * Logic to handle installation of non-ASEC applications, including copying 12243 * and renaming logic. 12244 */ 12245 class FileInstallArgs extends InstallArgs { 12246 private File codeFile; 12247 private File resourceFile; 12248 12249 // Example topology: 12250 // /data/app/com.example/base.apk 12251 // /data/app/com.example/split_foo.apk 12252 // /data/app/com.example/lib/arm/libfoo.so 12253 // /data/app/com.example/lib/arm64/libfoo.so 12254 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 12255 12256 /** New install */ 12257 FileInstallArgs(InstallParams params) { 12258 super(params.origin, params.move, params.observer, params.installFlags, 12259 params.installerPackageName, params.volumeUuid, 12260 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12261 params.grantedRuntimePermissions, 12262 params.traceMethod, params.traceCookie); 12263 if (isFwdLocked()) { 12264 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 12265 } 12266 } 12267 12268 /** Existing install */ 12269 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 12270 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 12271 null, null, null, 0); 12272 this.codeFile = (codePath != null) ? new File(codePath) : null; 12273 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 12274 } 12275 12276 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12277 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 12278 try { 12279 return doCopyApk(imcs, temp); 12280 } finally { 12281 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12282 } 12283 } 12284 12285 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12286 if (origin.staged) { 12287 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 12288 codeFile = origin.file; 12289 resourceFile = origin.file; 12290 return PackageManager.INSTALL_SUCCEEDED; 12291 } 12292 12293 try { 12294 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 12295 final File tempDir = 12296 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 12297 codeFile = tempDir; 12298 resourceFile = tempDir; 12299 } catch (IOException e) { 12300 Slog.w(TAG, "Failed to create copy file: " + e); 12301 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 12302 } 12303 12304 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 12305 @Override 12306 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 12307 if (!FileUtils.isValidExtFilename(name)) { 12308 throw new IllegalArgumentException("Invalid filename: " + name); 12309 } 12310 try { 12311 final File file = new File(codeFile, name); 12312 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 12313 O_RDWR | O_CREAT, 0644); 12314 Os.chmod(file.getAbsolutePath(), 0644); 12315 return new ParcelFileDescriptor(fd); 12316 } catch (ErrnoException e) { 12317 throw new RemoteException("Failed to open: " + e.getMessage()); 12318 } 12319 } 12320 }; 12321 12322 int ret = PackageManager.INSTALL_SUCCEEDED; 12323 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 12324 if (ret != PackageManager.INSTALL_SUCCEEDED) { 12325 Slog.e(TAG, "Failed to copy package"); 12326 return ret; 12327 } 12328 12329 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 12330 NativeLibraryHelper.Handle handle = null; 12331 try { 12332 handle = NativeLibraryHelper.Handle.create(codeFile); 12333 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 12334 abiOverride); 12335 } catch (IOException e) { 12336 Slog.e(TAG, "Copying native libraries failed", e); 12337 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12338 } finally { 12339 IoUtils.closeQuietly(handle); 12340 } 12341 12342 return ret; 12343 } 12344 12345 int doPreInstall(int status) { 12346 if (status != PackageManager.INSTALL_SUCCEEDED) { 12347 cleanUp(); 12348 } 12349 return status; 12350 } 12351 12352 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12353 if (status != PackageManager.INSTALL_SUCCEEDED) { 12354 cleanUp(); 12355 return false; 12356 } 12357 12358 final File targetDir = codeFile.getParentFile(); 12359 final File beforeCodeFile = codeFile; 12360 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 12361 12362 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 12363 try { 12364 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 12365 } catch (ErrnoException e) { 12366 Slog.w(TAG, "Failed to rename", e); 12367 return false; 12368 } 12369 12370 if (!SELinux.restoreconRecursive(afterCodeFile)) { 12371 Slog.w(TAG, "Failed to restorecon"); 12372 return false; 12373 } 12374 12375 // Reflect the rename internally 12376 codeFile = afterCodeFile; 12377 resourceFile = afterCodeFile; 12378 12379 // Reflect the rename in scanned details 12380 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12381 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12382 afterCodeFile, pkg.baseCodePath)); 12383 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12384 afterCodeFile, pkg.splitCodePaths)); 12385 12386 // Reflect the rename in app info 12387 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12388 pkg.setApplicationInfoCodePath(pkg.codePath); 12389 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12390 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12391 pkg.setApplicationInfoResourcePath(pkg.codePath); 12392 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12393 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12394 12395 return true; 12396 } 12397 12398 int doPostInstall(int status, int uid) { 12399 if (status != PackageManager.INSTALL_SUCCEEDED) { 12400 cleanUp(); 12401 } 12402 return status; 12403 } 12404 12405 @Override 12406 String getCodePath() { 12407 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12408 } 12409 12410 @Override 12411 String getResourcePath() { 12412 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12413 } 12414 12415 private boolean cleanUp() { 12416 if (codeFile == null || !codeFile.exists()) { 12417 return false; 12418 } 12419 12420 removeCodePathLI(codeFile); 12421 12422 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 12423 resourceFile.delete(); 12424 } 12425 12426 return true; 12427 } 12428 12429 void cleanUpResourcesLI() { 12430 // Try enumerating all code paths before deleting 12431 List<String> allCodePaths = Collections.EMPTY_LIST; 12432 if (codeFile != null && codeFile.exists()) { 12433 try { 12434 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12435 allCodePaths = pkg.getAllCodePaths(); 12436 } catch (PackageParserException e) { 12437 // Ignored; we tried our best 12438 } 12439 } 12440 12441 cleanUp(); 12442 removeDexFiles(allCodePaths, instructionSets); 12443 } 12444 12445 boolean doPostDeleteLI(boolean delete) { 12446 // XXX err, shouldn't we respect the delete flag? 12447 cleanUpResourcesLI(); 12448 return true; 12449 } 12450 } 12451 12452 private boolean isAsecExternal(String cid) { 12453 final String asecPath = PackageHelper.getSdFilesystem(cid); 12454 return !asecPath.startsWith(mAsecInternalPath); 12455 } 12456 12457 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 12458 PackageManagerException { 12459 if (copyRet < 0) { 12460 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 12461 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 12462 throw new PackageManagerException(copyRet, message); 12463 } 12464 } 12465 } 12466 12467 /** 12468 * Extract the MountService "container ID" from the full code path of an 12469 * .apk. 12470 */ 12471 static String cidFromCodePath(String fullCodePath) { 12472 int eidx = fullCodePath.lastIndexOf("/"); 12473 String subStr1 = fullCodePath.substring(0, eidx); 12474 int sidx = subStr1.lastIndexOf("/"); 12475 return subStr1.substring(sidx+1, eidx); 12476 } 12477 12478 /** 12479 * Logic to handle installation of ASEC applications, including copying and 12480 * renaming logic. 12481 */ 12482 class AsecInstallArgs extends InstallArgs { 12483 static final String RES_FILE_NAME = "pkg.apk"; 12484 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 12485 12486 String cid; 12487 String packagePath; 12488 String resourcePath; 12489 12490 /** New install */ 12491 AsecInstallArgs(InstallParams params) { 12492 super(params.origin, params.move, params.observer, params.installFlags, 12493 params.installerPackageName, params.volumeUuid, 12494 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12495 params.grantedRuntimePermissions, 12496 params.traceMethod, params.traceCookie); 12497 } 12498 12499 /** Existing install */ 12500 AsecInstallArgs(String fullCodePath, String[] instructionSets, 12501 boolean isExternal, boolean isForwardLocked) { 12502 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 12503 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12504 instructionSets, null, null, null, 0); 12505 // Hackily pretend we're still looking at a full code path 12506 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 12507 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 12508 } 12509 12510 // Extract cid from fullCodePath 12511 int eidx = fullCodePath.lastIndexOf("/"); 12512 String subStr1 = fullCodePath.substring(0, eidx); 12513 int sidx = subStr1.lastIndexOf("/"); 12514 cid = subStr1.substring(sidx+1, eidx); 12515 setMountPath(subStr1); 12516 } 12517 12518 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 12519 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 12520 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 12521 instructionSets, null, null, null, 0); 12522 this.cid = cid; 12523 setMountPath(PackageHelper.getSdDir(cid)); 12524 } 12525 12526 void createCopyFile() { 12527 cid = mInstallerService.allocateExternalStageCidLegacy(); 12528 } 12529 12530 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 12531 if (origin.staged && origin.cid != null) { 12532 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 12533 cid = origin.cid; 12534 setMountPath(PackageHelper.getSdDir(cid)); 12535 return PackageManager.INSTALL_SUCCEEDED; 12536 } 12537 12538 if (temp) { 12539 createCopyFile(); 12540 } else { 12541 /* 12542 * Pre-emptively destroy the container since it's destroyed if 12543 * copying fails due to it existing anyway. 12544 */ 12545 PackageHelper.destroySdDir(cid); 12546 } 12547 12548 final String newMountPath = imcs.copyPackageToContainer( 12549 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 12550 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 12551 12552 if (newMountPath != null) { 12553 setMountPath(newMountPath); 12554 return PackageManager.INSTALL_SUCCEEDED; 12555 } else { 12556 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12557 } 12558 } 12559 12560 @Override 12561 String getCodePath() { 12562 return packagePath; 12563 } 12564 12565 @Override 12566 String getResourcePath() { 12567 return resourcePath; 12568 } 12569 12570 int doPreInstall(int status) { 12571 if (status != PackageManager.INSTALL_SUCCEEDED) { 12572 // Destroy container 12573 PackageHelper.destroySdDir(cid); 12574 } else { 12575 boolean mounted = PackageHelper.isContainerMounted(cid); 12576 if (!mounted) { 12577 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 12578 Process.SYSTEM_UID); 12579 if (newMountPath != null) { 12580 setMountPath(newMountPath); 12581 } else { 12582 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12583 } 12584 } 12585 } 12586 return status; 12587 } 12588 12589 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12590 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 12591 String newMountPath = null; 12592 if (PackageHelper.isContainerMounted(cid)) { 12593 // Unmount the container 12594 if (!PackageHelper.unMountSdDir(cid)) { 12595 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 12596 return false; 12597 } 12598 } 12599 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12600 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 12601 " which might be stale. Will try to clean up."); 12602 // Clean up the stale container and proceed to recreate. 12603 if (!PackageHelper.destroySdDir(newCacheId)) { 12604 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 12605 return false; 12606 } 12607 // Successfully cleaned up stale container. Try to rename again. 12608 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 12609 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 12610 + " inspite of cleaning it up."); 12611 return false; 12612 } 12613 } 12614 if (!PackageHelper.isContainerMounted(newCacheId)) { 12615 Slog.w(TAG, "Mounting container " + newCacheId); 12616 newMountPath = PackageHelper.mountSdDir(newCacheId, 12617 getEncryptKey(), Process.SYSTEM_UID); 12618 } else { 12619 newMountPath = PackageHelper.getSdDir(newCacheId); 12620 } 12621 if (newMountPath == null) { 12622 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 12623 return false; 12624 } 12625 Log.i(TAG, "Succesfully renamed " + cid + 12626 " to " + newCacheId + 12627 " at new path: " + newMountPath); 12628 cid = newCacheId; 12629 12630 final File beforeCodeFile = new File(packagePath); 12631 setMountPath(newMountPath); 12632 final File afterCodeFile = new File(packagePath); 12633 12634 // Reflect the rename in scanned details 12635 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 12636 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 12637 afterCodeFile, pkg.baseCodePath)); 12638 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 12639 afterCodeFile, pkg.splitCodePaths)); 12640 12641 // Reflect the rename in app info 12642 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12643 pkg.setApplicationInfoCodePath(pkg.codePath); 12644 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12645 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12646 pkg.setApplicationInfoResourcePath(pkg.codePath); 12647 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12648 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12649 12650 return true; 12651 } 12652 12653 private void setMountPath(String mountPath) { 12654 final File mountFile = new File(mountPath); 12655 12656 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 12657 if (monolithicFile.exists()) { 12658 packagePath = monolithicFile.getAbsolutePath(); 12659 if (isFwdLocked()) { 12660 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 12661 } else { 12662 resourcePath = packagePath; 12663 } 12664 } else { 12665 packagePath = mountFile.getAbsolutePath(); 12666 resourcePath = packagePath; 12667 } 12668 } 12669 12670 int doPostInstall(int status, int uid) { 12671 if (status != PackageManager.INSTALL_SUCCEEDED) { 12672 cleanUp(); 12673 } else { 12674 final int groupOwner; 12675 final String protectedFile; 12676 if (isFwdLocked()) { 12677 groupOwner = UserHandle.getSharedAppGid(uid); 12678 protectedFile = RES_FILE_NAME; 12679 } else { 12680 groupOwner = -1; 12681 protectedFile = null; 12682 } 12683 12684 if (uid < Process.FIRST_APPLICATION_UID 12685 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12686 Slog.e(TAG, "Failed to finalize " + cid); 12687 PackageHelper.destroySdDir(cid); 12688 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12689 } 12690 12691 boolean mounted = PackageHelper.isContainerMounted(cid); 12692 if (!mounted) { 12693 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12694 } 12695 } 12696 return status; 12697 } 12698 12699 private void cleanUp() { 12700 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12701 12702 // Destroy secure container 12703 PackageHelper.destroySdDir(cid); 12704 } 12705 12706 private List<String> getAllCodePaths() { 12707 final File codeFile = new File(getCodePath()); 12708 if (codeFile != null && codeFile.exists()) { 12709 try { 12710 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12711 return pkg.getAllCodePaths(); 12712 } catch (PackageParserException e) { 12713 // Ignored; we tried our best 12714 } 12715 } 12716 return Collections.EMPTY_LIST; 12717 } 12718 12719 void cleanUpResourcesLI() { 12720 // Enumerate all code paths before deleting 12721 cleanUpResourcesLI(getAllCodePaths()); 12722 } 12723 12724 private void cleanUpResourcesLI(List<String> allCodePaths) { 12725 cleanUp(); 12726 removeDexFiles(allCodePaths, instructionSets); 12727 } 12728 12729 String getPackageName() { 12730 return getAsecPackageName(cid); 12731 } 12732 12733 boolean doPostDeleteLI(boolean delete) { 12734 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12735 final List<String> allCodePaths = getAllCodePaths(); 12736 boolean mounted = PackageHelper.isContainerMounted(cid); 12737 if (mounted) { 12738 // Unmount first 12739 if (PackageHelper.unMountSdDir(cid)) { 12740 mounted = false; 12741 } 12742 } 12743 if (!mounted && delete) { 12744 cleanUpResourcesLI(allCodePaths); 12745 } 12746 return !mounted; 12747 } 12748 12749 @Override 12750 int doPreCopy() { 12751 if (isFwdLocked()) { 12752 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12753 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12754 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12755 } 12756 } 12757 12758 return PackageManager.INSTALL_SUCCEEDED; 12759 } 12760 12761 @Override 12762 int doPostCopy(int uid) { 12763 if (isFwdLocked()) { 12764 if (uid < Process.FIRST_APPLICATION_UID 12765 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12766 RES_FILE_NAME)) { 12767 Slog.e(TAG, "Failed to finalize " + cid); 12768 PackageHelper.destroySdDir(cid); 12769 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12770 } 12771 } 12772 12773 return PackageManager.INSTALL_SUCCEEDED; 12774 } 12775 } 12776 12777 /** 12778 * Logic to handle movement of existing installed applications. 12779 */ 12780 class MoveInstallArgs extends InstallArgs { 12781 private File codeFile; 12782 private File resourceFile; 12783 12784 /** New install */ 12785 MoveInstallArgs(InstallParams params) { 12786 super(params.origin, params.move, params.observer, params.installFlags, 12787 params.installerPackageName, params.volumeUuid, 12788 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12789 params.grantedRuntimePermissions, 12790 params.traceMethod, params.traceCookie); 12791 } 12792 12793 int copyApk(IMediaContainerService imcs, boolean temp) { 12794 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12795 + move.fromUuid + " to " + move.toUuid); 12796 synchronized (mInstaller) { 12797 try { 12798 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12799 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 12800 } catch (InstallerException e) { 12801 Slog.w(TAG, "Failed to move app", e); 12802 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12803 } 12804 } 12805 12806 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12807 resourceFile = codeFile; 12808 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12809 12810 return PackageManager.INSTALL_SUCCEEDED; 12811 } 12812 12813 int doPreInstall(int status) { 12814 if (status != PackageManager.INSTALL_SUCCEEDED) { 12815 cleanUp(move.toUuid); 12816 } 12817 return status; 12818 } 12819 12820 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12821 if (status != PackageManager.INSTALL_SUCCEEDED) { 12822 cleanUp(move.toUuid); 12823 return false; 12824 } 12825 12826 // Reflect the move in app info 12827 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 12828 pkg.setApplicationInfoCodePath(pkg.codePath); 12829 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 12830 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 12831 pkg.setApplicationInfoResourcePath(pkg.codePath); 12832 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 12833 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 12834 12835 return true; 12836 } 12837 12838 int doPostInstall(int status, int uid) { 12839 if (status == PackageManager.INSTALL_SUCCEEDED) { 12840 cleanUp(move.fromUuid); 12841 } else { 12842 cleanUp(move.toUuid); 12843 } 12844 return status; 12845 } 12846 12847 @Override 12848 String getCodePath() { 12849 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12850 } 12851 12852 @Override 12853 String getResourcePath() { 12854 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12855 } 12856 12857 private boolean cleanUp(String volumeUuid) { 12858 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12859 move.dataAppName); 12860 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12861 synchronized (mInstallLock) { 12862 // Clean up both app data and code 12863 removeDataDirsLI(volumeUuid, move.packageName); 12864 removeCodePathLI(codeFile); 12865 } 12866 return true; 12867 } 12868 12869 void cleanUpResourcesLI() { 12870 throw new UnsupportedOperationException(); 12871 } 12872 12873 boolean doPostDeleteLI(boolean delete) { 12874 throw new UnsupportedOperationException(); 12875 } 12876 } 12877 12878 static String getAsecPackageName(String packageCid) { 12879 int idx = packageCid.lastIndexOf("-"); 12880 if (idx == -1) { 12881 return packageCid; 12882 } 12883 return packageCid.substring(0, idx); 12884 } 12885 12886 // Utility method used to create code paths based on package name and available index. 12887 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12888 String idxStr = ""; 12889 int idx = 1; 12890 // Fall back to default value of idx=1 if prefix is not 12891 // part of oldCodePath 12892 if (oldCodePath != null) { 12893 String subStr = oldCodePath; 12894 // Drop the suffix right away 12895 if (suffix != null && subStr.endsWith(suffix)) { 12896 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12897 } 12898 // If oldCodePath already contains prefix find out the 12899 // ending index to either increment or decrement. 12900 int sidx = subStr.lastIndexOf(prefix); 12901 if (sidx != -1) { 12902 subStr = subStr.substring(sidx + prefix.length()); 12903 if (subStr != null) { 12904 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12905 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12906 } 12907 try { 12908 idx = Integer.parseInt(subStr); 12909 if (idx <= 1) { 12910 idx++; 12911 } else { 12912 idx--; 12913 } 12914 } catch(NumberFormatException e) { 12915 } 12916 } 12917 } 12918 } 12919 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12920 return prefix + idxStr; 12921 } 12922 12923 private File getNextCodePath(File targetDir, String packageName) { 12924 int suffix = 1; 12925 File result; 12926 do { 12927 result = new File(targetDir, packageName + "-" + suffix); 12928 suffix++; 12929 } while (result.exists()); 12930 return result; 12931 } 12932 12933 // Utility method that returns the relative package path with respect 12934 // to the installation directory. Like say for /data/data/com.test-1.apk 12935 // string com.test-1 is returned. 12936 static String deriveCodePathName(String codePath) { 12937 if (codePath == null) { 12938 return null; 12939 } 12940 final File codeFile = new File(codePath); 12941 final String name = codeFile.getName(); 12942 if (codeFile.isDirectory()) { 12943 return name; 12944 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12945 final int lastDot = name.lastIndexOf('.'); 12946 return name.substring(0, lastDot); 12947 } else { 12948 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12949 return null; 12950 } 12951 } 12952 12953 static class PackageInstalledInfo { 12954 String name; 12955 int uid; 12956 // The set of users that originally had this package installed. 12957 int[] origUsers; 12958 // The set of users that now have this package installed. 12959 int[] newUsers; 12960 PackageParser.Package pkg; 12961 int returnCode; 12962 String returnMsg; 12963 PackageRemovedInfo removedInfo; 12964 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 12965 12966 public void setError(int code, String msg) { 12967 setReturnCode(code); 12968 setReturnMessage(msg); 12969 Slog.w(TAG, msg); 12970 } 12971 12972 public void setError(String msg, PackageParserException e) { 12973 setReturnCode(e.error); 12974 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12975 Slog.w(TAG, msg, e); 12976 } 12977 12978 public void setError(String msg, PackageManagerException e) { 12979 returnCode = e.error; 12980 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 12981 Slog.w(TAG, msg, e); 12982 } 12983 12984 public void setReturnCode(int returnCode) { 12985 this.returnCode = returnCode; 12986 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12987 for (int i = 0; i < childCount; i++) { 12988 addedChildPackages.valueAt(i).returnCode = returnCode; 12989 } 12990 } 12991 12992 private void setReturnMessage(String returnMsg) { 12993 this.returnMsg = returnMsg; 12994 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 12995 for (int i = 0; i < childCount; i++) { 12996 addedChildPackages.valueAt(i).returnMsg = returnMsg; 12997 } 12998 } 12999 13000 // In some error cases we want to convey more info back to the observer 13001 String origPackage; 13002 String origPermission; 13003 } 13004 13005 /* 13006 * Install a non-existing package. 13007 */ 13008 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13009 UserHandle user, String installerPackageName, String volumeUuid, 13010 PackageInstalledInfo res) { 13011 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 13012 13013 // Remember this for later, in case we need to rollback this install 13014 String pkgName = pkg.packageName; 13015 13016 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 13017 13018 synchronized(mPackages) { 13019 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 13020 // A package with the same name is already installed, though 13021 // it has been renamed to an older name. The package we 13022 // are trying to install should be installed as an update to 13023 // the existing one, but that has not been requested, so bail. 13024 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13025 + " without first uninstalling package running as " 13026 + mSettings.mRenamedPackages.get(pkgName)); 13027 return; 13028 } 13029 if (mPackages.containsKey(pkgName)) { 13030 // Don't allow installation over an existing package with the same name. 13031 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 13032 + " without first uninstalling."); 13033 return; 13034 } 13035 } 13036 13037 try { 13038 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 13039 System.currentTimeMillis(), user); 13040 13041 updateSettingsLI(newPackage, installerPackageName, null, res, user); 13042 13043 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13044 prepareAppDataAfterInstall(newPackage); 13045 13046 } else { 13047 // Remove package from internal structures, but keep around any 13048 // data that might have already existed 13049 deletePackageLI(pkgName, UserHandle.ALL, false, null, 13050 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 13051 } 13052 } catch (PackageManagerException e) { 13053 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13054 } 13055 13056 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13057 } 13058 13059 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 13060 // Can't rotate keys during boot or if sharedUser. 13061 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 13062 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 13063 return false; 13064 } 13065 // app is using upgradeKeySets; make sure all are valid 13066 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13067 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 13068 for (int i = 0; i < upgradeKeySets.length; i++) { 13069 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 13070 Slog.wtf(TAG, "Package " 13071 + (oldPs.name != null ? oldPs.name : "<null>") 13072 + " contains upgrade-key-set reference to unknown key-set: " 13073 + upgradeKeySets[i] 13074 + " reverting to signatures check."); 13075 return false; 13076 } 13077 } 13078 return true; 13079 } 13080 13081 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 13082 // Upgrade keysets are being used. Determine if new package has a superset of the 13083 // required keys. 13084 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 13085 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13086 for (int i = 0; i < upgradeKeySets.length; i++) { 13087 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 13088 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 13089 return true; 13090 } 13091 } 13092 return false; 13093 } 13094 13095 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 13096 UserHandle user, String installerPackageName, PackageInstalledInfo res) { 13097 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 13098 13099 final PackageParser.Package oldPackage; 13100 final String pkgName = pkg.packageName; 13101 final int[] allUsers; 13102 13103 // First find the old package info and check signatures 13104 synchronized(mPackages) { 13105 oldPackage = mPackages.get(pkgName); 13106 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 13107 if (isEphemeral && !oldIsEphemeral) { 13108 // can't downgrade from full to ephemeral 13109 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 13110 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13111 return; 13112 } 13113 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 13114 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13115 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13116 if (!checkUpgradeKeySetLP(ps, pkg)) { 13117 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13118 "New package not signed by keys specified by upgrade-keysets: " 13119 + pkgName); 13120 return; 13121 } 13122 } else { 13123 // default to original signature matching 13124 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 13125 != PackageManager.SIGNATURE_MATCH) { 13126 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 13127 "New package has a different signature: " + pkgName); 13128 return; 13129 } 13130 } 13131 13132 // In case of rollback, remember per-user/profile install state 13133 allUsers = sUserManager.getUserIds(); 13134 } 13135 13136 // Update what is removed 13137 res.removedInfo = new PackageRemovedInfo(); 13138 res.removedInfo.uid = oldPackage.applicationInfo.uid; 13139 res.removedInfo.removedPackage = oldPackage.packageName; 13140 res.removedInfo.isUpdate = true; 13141 final int childCount = (oldPackage.childPackages != null) 13142 ? oldPackage.childPackages.size() : 0; 13143 for (int i = 0; i < childCount; i++) { 13144 boolean childPackageUpdated = false; 13145 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 13146 if (res.addedChildPackages != null) { 13147 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 13148 if (childRes != null) { 13149 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 13150 childRes.removedInfo.removedPackage = childPkg.packageName; 13151 childRes.removedInfo.isUpdate = true; 13152 childPackageUpdated = true; 13153 } 13154 } 13155 if (!childPackageUpdated) { 13156 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(); 13157 childRemovedRes.removedPackage = childPkg.packageName; 13158 childRemovedRes.isUpdate = false; 13159 childRemovedRes.dataRemoved = true; 13160 synchronized (mPackages) { 13161 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13162 if (childPs != null) { 13163 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 13164 } 13165 } 13166 if (res.removedInfo.removedChildPackages == null) { 13167 res.removedInfo.removedChildPackages = new ArrayMap<>(); 13168 } 13169 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 13170 } 13171 } 13172 13173 boolean sysPkg = (isSystemApp(oldPackage)); 13174 if (sysPkg) { 13175 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13176 user, allUsers, installerPackageName, res); 13177 } else { 13178 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 13179 user, allUsers, installerPackageName, res); 13180 } 13181 } 13182 13183 public List<String> getPreviousCodePaths(String packageName) { 13184 final PackageSetting ps = mSettings.mPackages.get(packageName); 13185 final List<String> result = new ArrayList<String>(); 13186 if (ps != null && ps.oldCodePaths != null) { 13187 result.addAll(ps.oldCodePaths); 13188 } 13189 return result; 13190 } 13191 13192 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 13193 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13194 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13195 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 13196 + deletedPackage); 13197 13198 String pkgName = deletedPackage.packageName; 13199 boolean deletedPkg = true; 13200 boolean addedPkg = false; 13201 boolean updatedSettings = false; 13202 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 13203 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 13204 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 13205 13206 final long origUpdateTime = (pkg.mExtras != null) 13207 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 13208 13209 // First delete the existing package while retaining the data directory 13210 if (!deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13211 res.removedInfo, true, pkg)) { 13212 // If the existing package wasn't successfully deleted 13213 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 13214 deletedPkg = false; 13215 } else { 13216 // Successfully deleted the old package; proceed with replace. 13217 13218 // If deleted package lived in a container, give users a chance to 13219 // relinquish resources before killing. 13220 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 13221 if (DEBUG_INSTALL) { 13222 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 13223 } 13224 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 13225 final ArrayList<String> pkgList = new ArrayList<String>(1); 13226 pkgList.add(deletedPackage.applicationInfo.packageName); 13227 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 13228 } 13229 13230 deleteCodeCacheDirsLI(pkg); 13231 deleteProfilesLI(pkg, /*destroy*/ false); 13232 13233 try { 13234 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 13235 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 13236 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13237 13238 // Update the in-memory copy of the previous code paths. 13239 PackageSetting ps = mSettings.mPackages.get(pkgName); 13240 if (!killApp) { 13241 if (ps.oldCodePaths == null) { 13242 ps.oldCodePaths = new ArraySet<>(); 13243 } 13244 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 13245 if (deletedPackage.splitCodePaths != null) { 13246 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 13247 } 13248 } else { 13249 ps.oldCodePaths = null; 13250 } 13251 if (ps.childPackageNames != null) { 13252 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 13253 final String childPkgName = ps.childPackageNames.get(i); 13254 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 13255 childPs.oldCodePaths = ps.oldCodePaths; 13256 } 13257 } 13258 prepareAppDataAfterInstall(newPackage); 13259 addedPkg = true; 13260 } catch (PackageManagerException e) { 13261 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13262 } 13263 } 13264 13265 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13266 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 13267 13268 // Revert all internal state mutations and added folders for the failed install 13269 if (addedPkg) { 13270 deletePackageLI(pkgName, null, true, allUsers, deleteFlags, 13271 res.removedInfo, true, null); 13272 } 13273 13274 // Restore the old package 13275 if (deletedPkg) { 13276 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 13277 File restoreFile = new File(deletedPackage.codePath); 13278 // Parse old package 13279 boolean oldExternal = isExternal(deletedPackage); 13280 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 13281 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 13282 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 13283 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 13284 try { 13285 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 13286 null); 13287 } catch (PackageManagerException e) { 13288 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 13289 + e.getMessage()); 13290 return; 13291 } 13292 13293 synchronized (mPackages) { 13294 // Ensure the installer package name up to date 13295 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13296 13297 // Update permissions for restored package 13298 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13299 13300 mSettings.writeLPr(); 13301 } 13302 13303 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 13304 } 13305 } else { 13306 synchronized (mPackages) { 13307 PackageSetting ps = mSettings.peekPackageLPr(pkg.packageName); 13308 if (ps != null) { 13309 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 13310 if (res.removedInfo.removedChildPackages != null) { 13311 final int childCount = res.removedInfo.removedChildPackages.size(); 13312 // Iterate in reverse as we may modify the collection 13313 for (int i = childCount - 1; i >= 0; i--) { 13314 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 13315 if (res.addedChildPackages.containsKey(childPackageName)) { 13316 res.removedInfo.removedChildPackages.removeAt(i); 13317 } else { 13318 PackageRemovedInfo childInfo = res.removedInfo 13319 .removedChildPackages.valueAt(i); 13320 childInfo.removedForAllUsers = mPackages.get( 13321 childInfo.removedPackage) == null; 13322 } 13323 } 13324 } 13325 } 13326 } 13327 } 13328 } 13329 13330 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 13331 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 13332 int[] allUsers, String installerPackageName, PackageInstalledInfo res) { 13333 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 13334 + ", old=" + deletedPackage); 13335 13336 final boolean disabledSystem; 13337 13338 // Set the system/privileged flags as needed 13339 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 13340 if ((deletedPackage.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 13341 != 0) { 13342 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13343 } 13344 13345 // Kill package processes including services, providers, etc. 13346 killPackage(deletedPackage, "replace sys pkg"); 13347 13348 // Remove existing system package 13349 removePackageLI(deletedPackage, true); 13350 13351 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 13352 if (!disabledSystem) { 13353 // We didn't need to disable the .apk as a current system package, 13354 // which means we are replacing another update that is already 13355 // installed. We need to make sure to delete the older one's .apk. 13356 res.removedInfo.args = createInstallArgsForExisting(0, 13357 deletedPackage.applicationInfo.getCodePath(), 13358 deletedPackage.applicationInfo.getResourcePath(), 13359 getAppDexInstructionSets(deletedPackage.applicationInfo)); 13360 } else { 13361 res.removedInfo.args = null; 13362 } 13363 13364 // Successfully disabled the old package. Now proceed with re-installation 13365 deleteCodeCacheDirsLI(pkg); 13366 deleteProfilesLI(pkg, /*destroy*/ false); 13367 13368 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13369 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 13370 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 13371 13372 PackageParser.Package newPackage = null; 13373 try { 13374 // Add the package to the internal data structures 13375 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 13376 13377 // Set the update and install times 13378 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 13379 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 13380 System.currentTimeMillis()); 13381 13382 // Check for shared user id changes 13383 String invalidPackageName = getParentOrChildPackageChangedSharedUser( 13384 deletedPackage, newPackage); 13385 if (invalidPackageName != null) { 13386 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 13387 "Forbidding shared user change from " + deletedPkgSetting.sharedUser 13388 + " to " + invalidPackageName); 13389 } 13390 13391 // Update the package dynamic state if succeeded 13392 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13393 // Now that the install succeeded make sure we remove data 13394 // directories for any child package the update removed. 13395 final int deletedChildCount = (deletedPackage.childPackages != null) 13396 ? deletedPackage.childPackages.size() : 0; 13397 final int newChildCount = (newPackage.childPackages != null) 13398 ? newPackage.childPackages.size() : 0; 13399 for (int i = 0; i < deletedChildCount; i++) { 13400 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 13401 boolean childPackageDeleted = true; 13402 for (int j = 0; j < newChildCount; j++) { 13403 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 13404 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 13405 childPackageDeleted = false; 13406 break; 13407 } 13408 } 13409 if (childPackageDeleted) { 13410 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 13411 deletedChildPkg.packageName); 13412 if (ps != null && res.removedInfo.removedChildPackages != null) { 13413 PackageRemovedInfo removedChildRes = res.removedInfo 13414 .removedChildPackages.get(deletedChildPkg.packageName); 13415 removePackageDataLI(ps, allUsers, removedChildRes, 0, false); 13416 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 13417 } 13418 } 13419 } 13420 13421 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user); 13422 prepareAppDataAfterInstall(newPackage); 13423 } 13424 } catch (PackageManagerException e) { 13425 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 13426 res.setError("Package couldn't be installed in " + pkg.codePath, e); 13427 } 13428 13429 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 13430 // Re installation failed. Restore old information 13431 // Remove new pkg information 13432 if (newPackage != null) { 13433 removeInstalledPackageLI(newPackage, true); 13434 } 13435 // Add back the old system package 13436 try { 13437 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 13438 } catch (PackageManagerException e) { 13439 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 13440 } 13441 13442 synchronized (mPackages) { 13443 if (disabledSystem) { 13444 enableSystemPackageLPw(deletedPackage); 13445 } 13446 13447 // Ensure the installer package name up to date 13448 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 13449 13450 // Update permissions for restored package 13451 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 13452 13453 mSettings.writeLPr(); 13454 } 13455 13456 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 13457 + " after failed upgrade"); 13458 } 13459 } 13460 13461 /** 13462 * Checks whether the parent or any of the child packages have a change shared 13463 * user. For a package to be a valid update the shred users of the parent and 13464 * the children should match. We may later support changing child shared users. 13465 * @param oldPkg The updated package. 13466 * @param newPkg The update package. 13467 * @return The shared user that change between the versions. 13468 */ 13469 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 13470 PackageParser.Package newPkg) { 13471 // Check parent shared user 13472 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 13473 return newPkg.packageName; 13474 } 13475 // Check child shared users 13476 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13477 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 13478 for (int i = 0; i < newChildCount; i++) { 13479 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 13480 // If this child was present, did it have the same shared user? 13481 for (int j = 0; j < oldChildCount; j++) { 13482 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 13483 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 13484 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 13485 return newChildPkg.packageName; 13486 } 13487 } 13488 } 13489 return null; 13490 } 13491 13492 private void removeNativeBinariesLI(PackageSetting ps) { 13493 // Remove the lib path for the parent package 13494 if (ps != null) { 13495 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 13496 // Remove the lib path for the child packages 13497 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 13498 for (int i = 0; i < childCount; i++) { 13499 PackageSetting childPs = null; 13500 synchronized (mPackages) { 13501 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 13502 } 13503 if (childPs != null) { 13504 NativeLibraryHelper.removeNativeBinariesLI(childPs 13505 .legacyNativeLibraryPathString); 13506 } 13507 } 13508 } 13509 } 13510 13511 private void enableSystemPackageLPw(PackageParser.Package pkg) { 13512 // Enable the parent package 13513 mSettings.enableSystemPackageLPw(pkg.packageName); 13514 // Enable the child packages 13515 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13516 for (int i = 0; i < childCount; i++) { 13517 PackageParser.Package childPkg = pkg.childPackages.get(i); 13518 mSettings.enableSystemPackageLPw(childPkg.packageName); 13519 } 13520 } 13521 13522 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 13523 PackageParser.Package newPkg) { 13524 // Disable the parent package (parent always replaced) 13525 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 13526 // Disable the child packages 13527 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 13528 for (int i = 0; i < childCount; i++) { 13529 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 13530 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 13531 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 13532 } 13533 return disabled; 13534 } 13535 13536 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 13537 String installerPackageName) { 13538 // Enable the parent package 13539 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 13540 // Enable the child packages 13541 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 13542 for (int i = 0; i < childCount; i++) { 13543 PackageParser.Package childPkg = pkg.childPackages.get(i); 13544 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 13545 } 13546 } 13547 13548 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 13549 // Collect all used permissions in the UID 13550 ArraySet<String> usedPermissions = new ArraySet<>(); 13551 final int packageCount = su.packages.size(); 13552 for (int i = 0; i < packageCount; i++) { 13553 PackageSetting ps = su.packages.valueAt(i); 13554 if (ps.pkg == null) { 13555 continue; 13556 } 13557 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 13558 for (int j = 0; j < requestedPermCount; j++) { 13559 String permission = ps.pkg.requestedPermissions.get(j); 13560 BasePermission bp = mSettings.mPermissions.get(permission); 13561 if (bp != null) { 13562 usedPermissions.add(permission); 13563 } 13564 } 13565 } 13566 13567 PermissionsState permissionsState = su.getPermissionsState(); 13568 // Prune install permissions 13569 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 13570 final int installPermCount = installPermStates.size(); 13571 for (int i = installPermCount - 1; i >= 0; i--) { 13572 PermissionState permissionState = installPermStates.get(i); 13573 if (!usedPermissions.contains(permissionState.getName())) { 13574 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13575 if (bp != null) { 13576 permissionsState.revokeInstallPermission(bp); 13577 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 13578 PackageManager.MASK_PERMISSION_FLAGS, 0); 13579 } 13580 } 13581 } 13582 13583 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 13584 13585 // Prune runtime permissions 13586 for (int userId : allUserIds) { 13587 List<PermissionState> runtimePermStates = permissionsState 13588 .getRuntimePermissionStates(userId); 13589 final int runtimePermCount = runtimePermStates.size(); 13590 for (int i = runtimePermCount - 1; i >= 0; i--) { 13591 PermissionState permissionState = runtimePermStates.get(i); 13592 if (!usedPermissions.contains(permissionState.getName())) { 13593 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 13594 if (bp != null) { 13595 permissionsState.revokeRuntimePermission(bp, userId); 13596 permissionsState.updatePermissionFlags(bp, userId, 13597 PackageManager.MASK_PERMISSION_FLAGS, 0); 13598 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 13599 runtimePermissionChangedUserIds, userId); 13600 } 13601 } 13602 } 13603 } 13604 13605 return runtimePermissionChangedUserIds; 13606 } 13607 13608 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 13609 int[] allUsers, PackageInstalledInfo res, UserHandle user) { 13610 // Update the parent package setting 13611 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 13612 res, user); 13613 // Update the child packages setting 13614 final int childCount = (newPackage.childPackages != null) 13615 ? newPackage.childPackages.size() : 0; 13616 for (int i = 0; i < childCount; i++) { 13617 PackageParser.Package childPackage = newPackage.childPackages.get(i); 13618 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 13619 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 13620 childRes.origUsers, childRes, user); 13621 } 13622 } 13623 13624 private void updateSettingsInternalLI(PackageParser.Package newPackage, 13625 String installerPackageName, int[] allUsers, int[] installedForUsers, 13626 PackageInstalledInfo res, UserHandle user) { 13627 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 13628 13629 String pkgName = newPackage.packageName; 13630 synchronized (mPackages) { 13631 //write settings. the installStatus will be incomplete at this stage. 13632 //note that the new package setting would have already been 13633 //added to mPackages. It hasn't been persisted yet. 13634 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 13635 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13636 mSettings.writeLPr(); 13637 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13638 } 13639 13640 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 13641 synchronized (mPackages) { 13642 updatePermissionsLPw(newPackage.packageName, newPackage, 13643 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 13644 ? UPDATE_PERMISSIONS_ALL : 0)); 13645 // For system-bundled packages, we assume that installing an upgraded version 13646 // of the package implies that the user actually wants to run that new code, 13647 // so we enable the package. 13648 PackageSetting ps = mSettings.mPackages.get(pkgName); 13649 final int userId = user.getIdentifier(); 13650 if (ps != null) { 13651 if (isSystemApp(newPackage)) { 13652 if (DEBUG_INSTALL) { 13653 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 13654 } 13655 // Enable system package for requested users 13656 if (res.origUsers != null) { 13657 for (int origUserId : res.origUsers) { 13658 if (userId == UserHandle.USER_ALL || userId == origUserId) { 13659 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 13660 origUserId, installerPackageName); 13661 } 13662 } 13663 } 13664 // Also convey the prior install/uninstall state 13665 if (allUsers != null && installedForUsers != null) { 13666 for (int currentUserId : allUsers) { 13667 final boolean installed = ArrayUtils.contains( 13668 installedForUsers, currentUserId); 13669 if (DEBUG_INSTALL) { 13670 Slog.d(TAG, " user " + currentUserId + " => " + installed); 13671 } 13672 ps.setInstalled(installed, currentUserId); 13673 } 13674 // these install state changes will be persisted in the 13675 // upcoming call to mSettings.writeLPr(). 13676 } 13677 } 13678 // It's implied that when a user requests installation, they want the app to be 13679 // installed and enabled. 13680 if (userId != UserHandle.USER_ALL) { 13681 ps.setInstalled(true, userId); 13682 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 13683 } 13684 } 13685 res.name = pkgName; 13686 res.uid = newPackage.applicationInfo.uid; 13687 res.pkg = newPackage; 13688 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 13689 mSettings.setInstallerPackageName(pkgName, installerPackageName); 13690 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13691 //to update install status 13692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 13693 mSettings.writeLPr(); 13694 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13695 } 13696 13697 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13698 } 13699 13700 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 13701 try { 13702 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 13703 installPackageLI(args, res); 13704 } finally { 13705 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13706 } 13707 } 13708 13709 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 13710 final int installFlags = args.installFlags; 13711 final String installerPackageName = args.installerPackageName; 13712 final String volumeUuid = args.volumeUuid; 13713 final File tmpPackageFile = new File(args.getCodePath()); 13714 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 13715 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 13716 || (args.volumeUuid != null)); 13717 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 13718 boolean replace = false; 13719 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 13720 if (args.move != null) { 13721 // moving a complete application; perform an initial scan on the new install location 13722 scanFlags |= SCAN_INITIAL; 13723 } 13724 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 13725 scanFlags |= SCAN_DONT_KILL_APP; 13726 } 13727 13728 // Result object to be returned 13729 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13730 13731 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 13732 13733 // Sanity check 13734 if (ephemeral && (forwardLocked || onExternal)) { 13735 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 13736 + " external=" + onExternal); 13737 res.setReturnCode(PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID); 13738 return; 13739 } 13740 13741 // Retrieve PackageSettings and parse package 13742 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 13743 | PackageParser.PARSE_ENFORCE_CODE 13744 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 13745 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 13746 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 13747 PackageParser pp = new PackageParser(); 13748 pp.setSeparateProcesses(mSeparateProcesses); 13749 pp.setDisplayMetrics(mMetrics); 13750 13751 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 13752 final PackageParser.Package pkg; 13753 try { 13754 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 13755 } catch (PackageParserException e) { 13756 res.setError("Failed parse during installPackageLI", e); 13757 return; 13758 } finally { 13759 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13760 } 13761 13762 // If we are installing a clustered package add results for the children 13763 if (pkg.childPackages != null) { 13764 synchronized (mPackages) { 13765 final int childCount = pkg.childPackages.size(); 13766 for (int i = 0; i < childCount; i++) { 13767 PackageParser.Package childPkg = pkg.childPackages.get(i); 13768 PackageInstalledInfo childRes = new PackageInstalledInfo(); 13769 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 13770 childRes.pkg = childPkg; 13771 childRes.name = childPkg.packageName; 13772 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 13773 if (childPs != null) { 13774 childRes.origUsers = childPs.queryInstalledUsers( 13775 sUserManager.getUserIds(), true); 13776 } 13777 if ((mPackages.containsKey(childPkg.packageName))) { 13778 childRes.removedInfo = new PackageRemovedInfo(); 13779 childRes.removedInfo.removedPackage = childPkg.packageName; 13780 } 13781 if (res.addedChildPackages == null) { 13782 res.addedChildPackages = new ArrayMap<>(); 13783 } 13784 res.addedChildPackages.put(childPkg.packageName, childRes); 13785 } 13786 } 13787 } 13788 13789 // If package doesn't declare API override, mark that we have an install 13790 // time CPU ABI override. 13791 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 13792 pkg.cpuAbiOverride = args.abiOverride; 13793 } 13794 13795 String pkgName = res.name = pkg.packageName; 13796 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 13797 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 13798 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 13799 return; 13800 } 13801 } 13802 13803 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 13804 try { 13805 PackageParser.collectCertificates(pkg, parseFlags); 13806 } catch (PackageParserException e) { 13807 res.setError("Failed collect during installPackageLI", e); 13808 return; 13809 } finally { 13810 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 13811 } 13812 13813 // Get rid of all references to package scan path via parser. 13814 pp = null; 13815 String oldCodePath = null; 13816 boolean systemApp = false; 13817 synchronized (mPackages) { 13818 // Check if installing already existing package 13819 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 13820 String oldName = mSettings.mRenamedPackages.get(pkgName); 13821 if (pkg.mOriginalPackages != null 13822 && pkg.mOriginalPackages.contains(oldName) 13823 && mPackages.containsKey(oldName)) { 13824 // This package is derived from an original package, 13825 // and this device has been updating from that original 13826 // name. We must continue using the original name, so 13827 // rename the new package here. 13828 pkg.setPackageName(oldName); 13829 pkgName = pkg.packageName; 13830 replace = true; 13831 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 13832 + oldName + " pkgName=" + pkgName); 13833 } else if (mPackages.containsKey(pkgName)) { 13834 // This package, under its official name, already exists 13835 // on the device; we should replace it. 13836 replace = true; 13837 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 13838 } 13839 13840 // Child packages are installed through the parent package 13841 if (pkg.parentPackage != null) { 13842 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13843 "Package " + pkg.packageName + " is child of package " 13844 + pkg.parentPackage.parentPackage + ". Child packages " 13845 + "can be updated only through the parent package."); 13846 return; 13847 } 13848 13849 if (replace) { 13850 // Prevent apps opting out from runtime permissions 13851 PackageParser.Package oldPackage = mPackages.get(pkgName); 13852 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 13853 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 13854 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 13855 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 13856 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 13857 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 13858 + " doesn't support runtime permissions but the old" 13859 + " target SDK " + oldTargetSdk + " does."); 13860 return; 13861 } 13862 13863 // Prevent installing of child packages 13864 if (oldPackage.parentPackage != null) { 13865 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 13866 "Package " + pkg.packageName + " is child of package " 13867 + oldPackage.parentPackage + ". Child packages " 13868 + "can be updated only through the parent package."); 13869 return; 13870 } 13871 } 13872 } 13873 13874 PackageSetting ps = mSettings.mPackages.get(pkgName); 13875 if (ps != null) { 13876 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 13877 13878 // Quick sanity check that we're signed correctly if updating; 13879 // we'll check this again later when scanning, but we want to 13880 // bail early here before tripping over redefined permissions. 13881 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 13882 if (!checkUpgradeKeySetLP(ps, pkg)) { 13883 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 13884 + pkg.packageName + " upgrade keys do not match the " 13885 + "previously installed version"); 13886 return; 13887 } 13888 } else { 13889 try { 13890 verifySignaturesLP(ps, pkg); 13891 } catch (PackageManagerException e) { 13892 res.setError(e.error, e.getMessage()); 13893 return; 13894 } 13895 } 13896 13897 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 13898 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 13899 systemApp = (ps.pkg.applicationInfo.flags & 13900 ApplicationInfo.FLAG_SYSTEM) != 0; 13901 } 13902 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13903 } 13904 13905 // Check whether the newly-scanned package wants to define an already-defined perm 13906 int N = pkg.permissions.size(); 13907 for (int i = N-1; i >= 0; i--) { 13908 PackageParser.Permission perm = pkg.permissions.get(i); 13909 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 13910 if (bp != null) { 13911 // If the defining package is signed with our cert, it's okay. This 13912 // also includes the "updating the same package" case, of course. 13913 // "updating same package" could also involve key-rotation. 13914 final boolean sigsOk; 13915 if (bp.sourcePackage.equals(pkg.packageName) 13916 && (bp.packageSetting instanceof PackageSetting) 13917 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 13918 scanFlags))) { 13919 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 13920 } else { 13921 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 13922 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 13923 } 13924 if (!sigsOk) { 13925 // If the owning package is the system itself, we log but allow 13926 // install to proceed; we fail the install on all other permission 13927 // redefinitions. 13928 if (!bp.sourcePackage.equals("android")) { 13929 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 13930 + pkg.packageName + " attempting to redeclare permission " 13931 + perm.info.name + " already owned by " + bp.sourcePackage); 13932 res.origPermission = perm.info.name; 13933 res.origPackage = bp.sourcePackage; 13934 return; 13935 } else { 13936 Slog.w(TAG, "Package " + pkg.packageName 13937 + " attempting to redeclare system permission " 13938 + perm.info.name + "; ignoring new declaration"); 13939 pkg.permissions.remove(i); 13940 } 13941 } 13942 } 13943 } 13944 } 13945 13946 if (systemApp) { 13947 if (onExternal) { 13948 // Abort update; system app can't be replaced with app on sdcard 13949 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13950 "Cannot install updates to system apps on sdcard"); 13951 return; 13952 } else if (ephemeral) { 13953 // Abort update; system app can't be replaced with an ephemeral app 13954 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13955 "Cannot update a system app with an ephemeral app"); 13956 return; 13957 } 13958 } 13959 13960 if (args.move != null) { 13961 // We did an in-place move, so dex is ready to roll 13962 scanFlags |= SCAN_NO_DEX; 13963 scanFlags |= SCAN_MOVE; 13964 13965 synchronized (mPackages) { 13966 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13967 if (ps == null) { 13968 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13969 "Missing settings for moved package " + pkgName); 13970 } 13971 13972 // We moved the entire application as-is, so bring over the 13973 // previously derived ABI information. 13974 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13975 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13976 } 13977 13978 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13979 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13980 scanFlags |= SCAN_NO_DEX; 13981 13982 try { 13983 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 13984 args.abiOverride : pkg.cpuAbiOverride); 13985 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 13986 true /* extract libs */); 13987 } catch (PackageManagerException pme) { 13988 Slog.e(TAG, "Error deriving application ABI", pme); 13989 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13990 return; 13991 } 13992 13993 13994 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 13995 // Do not run PackageDexOptimizer through the local performDexOpt 13996 // method because `pkg` is not in `mPackages` yet. 13997 int result = mPackageDexOptimizer.performDexOpt(pkg, null /* instructionSets */, 13998 false /* useProfiles */, true /* extractOnly */); 13999 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14000 if (result == PackageDexOptimizer.DEX_OPT_FAILED) { 14001 String msg = "Extracking package failed for " + pkgName; 14002 res.setError(INSTALL_FAILED_DEXOPT, msg); 14003 return; 14004 } 14005 } 14006 14007 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 14008 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 14009 return; 14010 } 14011 14012 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 14013 14014 if (replace) { 14015 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 14016 installerPackageName, res); 14017 } else { 14018 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 14019 args.user, installerPackageName, volumeUuid, res); 14020 } 14021 synchronized (mPackages) { 14022 final PackageSetting ps = mSettings.mPackages.get(pkgName); 14023 if (ps != null) { 14024 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 14025 } 14026 14027 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14028 for (int i = 0; i < childCount; i++) { 14029 PackageParser.Package childPkg = pkg.childPackages.get(i); 14030 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 14031 PackageSetting childPs = mSettings.peekPackageLPr(childPkg.packageName); 14032 if (childPs != null) { 14033 childRes.newUsers = childPs.queryInstalledUsers( 14034 sUserManager.getUserIds(), true); 14035 } 14036 } 14037 } 14038 } 14039 14040 private void startIntentFilterVerifications(int userId, boolean replacing, 14041 PackageParser.Package pkg) { 14042 if (mIntentFilterVerifierComponent == null) { 14043 Slog.w(TAG, "No IntentFilter verification will not be done as " 14044 + "there is no IntentFilterVerifier available!"); 14045 return; 14046 } 14047 14048 final int verifierUid = getPackageUid( 14049 mIntentFilterVerifierComponent.getPackageName(), 14050 MATCH_DEBUG_TRIAGED_MISSING, 14051 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 14052 14053 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14054 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 14055 mHandler.sendMessage(msg); 14056 14057 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 14058 for (int i = 0; i < childCount; i++) { 14059 PackageParser.Package childPkg = pkg.childPackages.get(i); 14060 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 14061 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 14062 mHandler.sendMessage(msg); 14063 } 14064 } 14065 14066 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 14067 PackageParser.Package pkg) { 14068 int size = pkg.activities.size(); 14069 if (size == 0) { 14070 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14071 "No activity, so no need to verify any IntentFilter!"); 14072 return; 14073 } 14074 14075 final boolean hasDomainURLs = hasDomainURLs(pkg); 14076 if (!hasDomainURLs) { 14077 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14078 "No domain URLs, so no need to verify any IntentFilter!"); 14079 return; 14080 } 14081 14082 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 14083 + " if any IntentFilter from the " + size 14084 + " Activities needs verification ..."); 14085 14086 int count = 0; 14087 final String packageName = pkg.packageName; 14088 14089 synchronized (mPackages) { 14090 // If this is a new install and we see that we've already run verification for this 14091 // package, we have nothing to do: it means the state was restored from backup. 14092 if (!replacing) { 14093 IntentFilterVerificationInfo ivi = 14094 mSettings.getIntentFilterVerificationLPr(packageName); 14095 if (ivi != null) { 14096 if (DEBUG_DOMAIN_VERIFICATION) { 14097 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 14098 + ivi.getStatusString()); 14099 } 14100 return; 14101 } 14102 } 14103 14104 // If any filters need to be verified, then all need to be. 14105 boolean needToVerify = false; 14106 for (PackageParser.Activity a : pkg.activities) { 14107 for (ActivityIntentInfo filter : a.intents) { 14108 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 14109 if (DEBUG_DOMAIN_VERIFICATION) { 14110 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 14111 } 14112 needToVerify = true; 14113 break; 14114 } 14115 } 14116 } 14117 14118 if (needToVerify) { 14119 final int verificationId = mIntentFilterVerificationToken++; 14120 for (PackageParser.Activity a : pkg.activities) { 14121 for (ActivityIntentInfo filter : a.intents) { 14122 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 14123 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 14124 "Verification needed for IntentFilter:" + filter.toString()); 14125 mIntentFilterVerifier.addOneIntentFilterVerification( 14126 verifierUid, userId, verificationId, filter, packageName); 14127 count++; 14128 } 14129 } 14130 } 14131 } 14132 } 14133 14134 if (count > 0) { 14135 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 14136 + " IntentFilter verification" + (count > 1 ? "s" : "") 14137 + " for userId:" + userId); 14138 mIntentFilterVerifier.startVerifications(userId); 14139 } else { 14140 if (DEBUG_DOMAIN_VERIFICATION) { 14141 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 14142 } 14143 } 14144 } 14145 14146 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 14147 final ComponentName cn = filter.activity.getComponentName(); 14148 final String packageName = cn.getPackageName(); 14149 14150 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 14151 packageName); 14152 if (ivi == null) { 14153 return true; 14154 } 14155 int status = ivi.getStatus(); 14156 switch (status) { 14157 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 14158 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 14159 return true; 14160 14161 default: 14162 // Nothing to do 14163 return false; 14164 } 14165 } 14166 14167 private static boolean isMultiArch(ApplicationInfo info) { 14168 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 14169 } 14170 14171 private static boolean isExternal(PackageParser.Package pkg) { 14172 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14173 } 14174 14175 private static boolean isExternal(PackageSetting ps) { 14176 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 14177 } 14178 14179 private static boolean isEphemeral(PackageParser.Package pkg) { 14180 return pkg.applicationInfo.isEphemeralApp(); 14181 } 14182 14183 private static boolean isEphemeral(PackageSetting ps) { 14184 return ps.pkg != null && isEphemeral(ps.pkg); 14185 } 14186 14187 private static boolean isSystemApp(PackageParser.Package pkg) { 14188 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 14189 } 14190 14191 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 14192 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 14193 } 14194 14195 private static boolean hasDomainURLs(PackageParser.Package pkg) { 14196 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 14197 } 14198 14199 private static boolean isSystemApp(PackageSetting ps) { 14200 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 14201 } 14202 14203 private static boolean isUpdatedSystemApp(PackageSetting ps) { 14204 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 14205 } 14206 14207 private int packageFlagsToInstallFlags(PackageSetting ps) { 14208 int installFlags = 0; 14209 if (isEphemeral(ps)) { 14210 installFlags |= PackageManager.INSTALL_EPHEMERAL; 14211 } 14212 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 14213 // This existing package was an external ASEC install when we have 14214 // the external flag without a UUID 14215 installFlags |= PackageManager.INSTALL_EXTERNAL; 14216 } 14217 if (ps.isForwardLocked()) { 14218 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 14219 } 14220 return installFlags; 14221 } 14222 14223 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 14224 if (isExternal(pkg)) { 14225 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14226 return StorageManager.UUID_PRIMARY_PHYSICAL; 14227 } else { 14228 return pkg.volumeUuid; 14229 } 14230 } else { 14231 return StorageManager.UUID_PRIVATE_INTERNAL; 14232 } 14233 } 14234 14235 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 14236 if (isExternal(pkg)) { 14237 if (TextUtils.isEmpty(pkg.volumeUuid)) { 14238 return mSettings.getExternalVersion(); 14239 } else { 14240 return mSettings.findOrCreateVersion(pkg.volumeUuid); 14241 } 14242 } else { 14243 return mSettings.getInternalVersion(); 14244 } 14245 } 14246 14247 private void deleteTempPackageFiles() { 14248 final FilenameFilter filter = new FilenameFilter() { 14249 public boolean accept(File dir, String name) { 14250 return name.startsWith("vmdl") && name.endsWith(".tmp"); 14251 } 14252 }; 14253 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 14254 file.delete(); 14255 } 14256 } 14257 14258 @Override 14259 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 14260 int flags) { 14261 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 14262 flags); 14263 } 14264 14265 @Override 14266 public void deletePackage(final String packageName, 14267 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 14268 mContext.enforceCallingOrSelfPermission( 14269 android.Manifest.permission.DELETE_PACKAGES, null); 14270 Preconditions.checkNotNull(packageName); 14271 Preconditions.checkNotNull(observer); 14272 final int uid = Binder.getCallingUid(); 14273 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 14274 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 14275 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 14276 mContext.enforceCallingOrSelfPermission( 14277 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14278 "deletePackage for user " + userId); 14279 } 14280 14281 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 14282 try { 14283 observer.onPackageDeleted(packageName, 14284 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 14285 } catch (RemoteException re) { 14286 } 14287 return; 14288 } 14289 14290 if (!deleteAllUsers && getBlockUninstallForUser(packageName, userId)) { 14291 try { 14292 observer.onPackageDeleted(packageName, 14293 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 14294 } catch (RemoteException re) { 14295 } 14296 return; 14297 } 14298 14299 if (DEBUG_REMOVE) { 14300 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId 14301 + " deleteAllUsers: " + deleteAllUsers ); 14302 } 14303 // Queue up an async operation since the package deletion may take a little while. 14304 mHandler.post(new Runnable() { 14305 public void run() { 14306 mHandler.removeCallbacks(this); 14307 int returnCode; 14308 if (!deleteAllUsers) { 14309 returnCode = deletePackageX(packageName, userId, flags); 14310 } else { 14311 int[] blockUninstallUserIds = getBlockUninstallForUsers(packageName, users); 14312 // If nobody is blocking uninstall, proceed with delete for all users 14313 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 14314 returnCode = deletePackageX(packageName, userId, flags); 14315 } else { 14316 // Otherwise uninstall individually for users with blockUninstalls=false 14317 final int userFlags = flags & ~PackageManager.DELETE_ALL_USERS; 14318 for (int userId : users) { 14319 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 14320 returnCode = deletePackageX(packageName, userId, userFlags); 14321 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 14322 Slog.w(TAG, "Package delete failed for user " + userId 14323 + ", returnCode " + returnCode); 14324 } 14325 } 14326 } 14327 // The app has only been marked uninstalled for certain users. 14328 // We still need to report that delete was blocked 14329 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 14330 } 14331 } 14332 try { 14333 observer.onPackageDeleted(packageName, returnCode, null); 14334 } catch (RemoteException e) { 14335 Log.i(TAG, "Observer no longer exists."); 14336 } //end catch 14337 } //end run 14338 }); 14339 } 14340 14341 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 14342 int[] result = EMPTY_INT_ARRAY; 14343 for (int userId : userIds) { 14344 if (getBlockUninstallForUser(packageName, userId)) { 14345 result = ArrayUtils.appendInt(result, userId); 14346 } 14347 } 14348 return result; 14349 } 14350 14351 @Override 14352 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 14353 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 14354 } 14355 14356 private boolean isPackageDeviceAdmin(String packageName, int userId) { 14357 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14358 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14359 try { 14360 if (dpm != null) { 14361 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 14362 /* callingUserOnly =*/ false); 14363 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 14364 : deviceOwnerComponentName.getPackageName(); 14365 // Does the package contains the device owner? 14366 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 14367 // this check is probably not needed, since DO should be registered as a device 14368 // admin on some user too. (Original bug for this: b/17657954) 14369 if (packageName.equals(deviceOwnerPackageName)) { 14370 return true; 14371 } 14372 // Does it contain a device admin for any user? 14373 int[] users; 14374 if (userId == UserHandle.USER_ALL) { 14375 users = sUserManager.getUserIds(); 14376 } else { 14377 users = new int[]{userId}; 14378 } 14379 for (int i = 0; i < users.length; ++i) { 14380 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 14381 return true; 14382 } 14383 } 14384 } 14385 } catch (RemoteException e) { 14386 } 14387 return false; 14388 } 14389 14390 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 14391 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 14392 } 14393 14394 /** 14395 * This method is an internal method that could be get invoked either 14396 * to delete an installed package or to clean up a failed installation. 14397 * After deleting an installed package, a broadcast is sent to notify any 14398 * listeners that the package has been installed. For cleaning up a failed 14399 * installation, the broadcast is not necessary since the package's 14400 * installation wouldn't have sent the initial broadcast either 14401 * The key steps in deleting a package are 14402 * deleting the package information in internal structures like mPackages, 14403 * deleting the packages base directories through installd 14404 * updating mSettings to reflect current status 14405 * persisting settings for later use 14406 * sending a broadcast if necessary 14407 */ 14408 private int deletePackageX(String packageName, int userId, int flags) { 14409 final PackageRemovedInfo info = new PackageRemovedInfo(); 14410 final boolean res; 14411 14412 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 14413 ? UserHandle.ALL : new UserHandle(userId); 14414 14415 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 14416 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 14417 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 14418 } 14419 14420 PackageSetting uninstalledPs = null; 14421 14422 // for the uninstall-updates case and restricted profiles, remember the per- 14423 // user handle installed state 14424 int[] allUsers; 14425 synchronized (mPackages) { 14426 uninstalledPs = mSettings.mPackages.get(packageName); 14427 if (uninstalledPs == null) { 14428 Slog.w(TAG, "Not removing non-existent package " + packageName); 14429 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14430 } 14431 allUsers = sUserManager.getUserIds(); 14432 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 14433 } 14434 14435 synchronized (mInstallLock) { 14436 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 14437 res = deletePackageLI(packageName, removeForUser, true, allUsers, 14438 flags | REMOVE_CHATTY, info, true, null); 14439 deleteProfilesLI(packageName, /*destroy*/ true); 14440 synchronized (mPackages) { 14441 if (res) { 14442 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPs.pkg); 14443 } 14444 } 14445 } 14446 14447 if (res) { 14448 final boolean killApp = (flags & PackageManager.INSTALL_DONT_KILL_APP) == 0; 14449 info.sendPackageRemovedBroadcasts(killApp); 14450 info.sendSystemPackageUpdatedBroadcasts(); 14451 info.sendSystemPackageAppearedBroadcasts(); 14452 } 14453 // Force a gc here. 14454 Runtime.getRuntime().gc(); 14455 // Delete the resources here after sending the broadcast to let 14456 // other processes clean up before deleting resources. 14457 if (info.args != null) { 14458 synchronized (mInstallLock) { 14459 info.args.doPostDeleteLI(true); 14460 } 14461 } 14462 14463 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 14464 } 14465 14466 class PackageRemovedInfo { 14467 String removedPackage; 14468 int uid = -1; 14469 int removedAppId = -1; 14470 int[] origUsers; 14471 int[] removedUsers = null; 14472 boolean isRemovedPackageSystemUpdate = false; 14473 boolean isUpdate; 14474 boolean dataRemoved; 14475 boolean removedForAllUsers; 14476 // Clean up resources deleted packages. 14477 InstallArgs args = null; 14478 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 14479 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 14480 14481 void sendPackageRemovedBroadcasts(boolean killApp) { 14482 sendPackageRemovedBroadcastInternal(killApp); 14483 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 14484 for (int i = 0; i < childCount; i++) { 14485 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14486 childInfo.sendPackageRemovedBroadcastInternal(killApp); 14487 } 14488 } 14489 14490 void sendSystemPackageUpdatedBroadcasts() { 14491 if (isRemovedPackageSystemUpdate) { 14492 sendSystemPackageUpdatedBroadcastsInternal(); 14493 final int childCount = (removedChildPackages != null) 14494 ? removedChildPackages.size() : 0; 14495 for (int i = 0; i < childCount; i++) { 14496 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 14497 if (childInfo.isRemovedPackageSystemUpdate) { 14498 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 14499 } 14500 } 14501 } 14502 } 14503 14504 void sendSystemPackageAppearedBroadcasts() { 14505 final int packageCount = (appearedChildPackages != null) 14506 ? appearedChildPackages.size() : 0; 14507 for (int i = 0; i < packageCount; i++) { 14508 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 14509 for (int userId : installedInfo.newUsers) { 14510 sendPackageAddedForUser(installedInfo.name, true, 14511 UserHandle.getAppId(installedInfo.uid), userId); 14512 } 14513 } 14514 } 14515 14516 private void sendSystemPackageUpdatedBroadcastsInternal() { 14517 Bundle extras = new Bundle(2); 14518 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14519 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14520 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, removedPackage, 14521 extras, 0, null, null, null); 14522 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, removedPackage, 14523 extras, 0, null, null, null); 14524 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 14525 null, 0, removedPackage, null, null); 14526 } 14527 14528 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 14529 Bundle extras = new Bundle(2); 14530 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 14531 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 14532 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 14533 if (isUpdate || isRemovedPackageSystemUpdate) { 14534 extras.putBoolean(Intent.EXTRA_REPLACING, true); 14535 } 14536 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 14537 if (removedPackage != null) { 14538 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 14539 extras, 0, null, null, removedUsers); 14540 if (dataRemoved && !isRemovedPackageSystemUpdate) { 14541 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 14542 removedPackage, extras, 0, null, null, removedUsers); 14543 } 14544 } 14545 if (removedAppId >= 0) { 14546 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 14547 removedUsers); 14548 } 14549 } 14550 } 14551 14552 /* 14553 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 14554 * flag is not set, the data directory is removed as well. 14555 * make sure this flag is set for partially installed apps. If not its meaningless to 14556 * delete a partially installed application. 14557 */ 14558 private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, 14559 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 14560 String packageName = ps.name; 14561 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 14562 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 14563 // Retrieve object to delete permissions for shared user later on 14564 final PackageSetting deletedPs; 14565 // reader 14566 synchronized (mPackages) { 14567 deletedPs = mSettings.mPackages.get(packageName); 14568 if (outInfo != null) { 14569 outInfo.removedPackage = packageName; 14570 outInfo.removedUsers = deletedPs != null 14571 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 14572 : null; 14573 } 14574 } 14575 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14576 removeDataDirsLI(ps.volumeUuid, packageName); 14577 if (outInfo != null) { 14578 outInfo.dataRemoved = true; 14579 } 14580 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 14581 } 14582 // writer 14583 synchronized (mPackages) { 14584 if (deletedPs != null) { 14585 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 14586 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 14587 clearDefaultBrowserIfNeeded(packageName); 14588 if (outInfo != null) { 14589 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 14590 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 14591 } 14592 updatePermissionsLPw(deletedPs.name, null, 0); 14593 if (deletedPs.sharedUser != null) { 14594 // Remove permissions associated with package. Since runtime 14595 // permissions are per user we have to kill the removed package 14596 // or packages running under the shared user of the removed 14597 // package if revoking the permissions requested only by the removed 14598 // package is successful and this causes a change in gids. 14599 for (int userId : UserManagerService.getInstance().getUserIds()) { 14600 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 14601 userId); 14602 if (userIdToKill == UserHandle.USER_ALL 14603 || userIdToKill >= UserHandle.USER_SYSTEM) { 14604 // If gids changed for this user, kill all affected packages. 14605 mHandler.post(new Runnable() { 14606 @Override 14607 public void run() { 14608 // This has to happen with no lock held. 14609 killApplication(deletedPs.name, deletedPs.appId, 14610 KILL_APP_REASON_GIDS_CHANGED); 14611 } 14612 }); 14613 break; 14614 } 14615 } 14616 } 14617 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 14618 } 14619 // make sure to preserve per-user disabled state if this removal was just 14620 // a downgrade of a system app to the factory package 14621 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 14622 if (DEBUG_REMOVE) { 14623 Slog.d(TAG, "Propagating install state across downgrade"); 14624 } 14625 for (int userId : allUserHandles) { 14626 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14627 if (DEBUG_REMOVE) { 14628 Slog.d(TAG, " user " + userId + " => " + installed); 14629 } 14630 ps.setInstalled(installed, userId); 14631 } 14632 } 14633 } 14634 // can downgrade to reader 14635 if (writeSettings) { 14636 // Save settings now 14637 mSettings.writeLPr(); 14638 } 14639 } 14640 if (outInfo != null) { 14641 // A user ID was deleted here. Go through all users and remove it 14642 // from KeyStore. 14643 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 14644 } 14645 } 14646 14647 static boolean locationIsPrivileged(File path) { 14648 try { 14649 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 14650 .getCanonicalPath(); 14651 return path.getCanonicalPath().startsWith(privilegedAppDir); 14652 } catch (IOException e) { 14653 Slog.e(TAG, "Unable to access code path " + path); 14654 } 14655 return false; 14656 } 14657 14658 /* 14659 * Tries to delete system package. 14660 */ 14661 private boolean deleteSystemPackageLI(PackageParser.Package deletedPkg, 14662 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 14663 boolean writeSettings) { 14664 if (deletedPs.parentPackageName != null) { 14665 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 14666 return false; 14667 } 14668 14669 final boolean applyUserRestrictions 14670 = (allUserHandles != null) && (outInfo.origUsers != null); 14671 final PackageSetting disabledPs; 14672 // Confirm if the system package has been updated 14673 // An updated system app can be deleted. This will also have to restore 14674 // the system pkg from system partition 14675 // reader 14676 synchronized (mPackages) { 14677 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 14678 } 14679 14680 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 14681 + " disabledPs=" + disabledPs); 14682 14683 if (disabledPs == null) { 14684 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 14685 return false; 14686 } else if (DEBUG_REMOVE) { 14687 Slog.d(TAG, "Deleting system pkg from data partition"); 14688 } 14689 14690 if (DEBUG_REMOVE) { 14691 if (applyUserRestrictions) { 14692 Slog.d(TAG, "Remembering install states:"); 14693 for (int userId : allUserHandles) { 14694 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 14695 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 14696 } 14697 } 14698 } 14699 14700 // Delete the updated package 14701 outInfo.isRemovedPackageSystemUpdate = true; 14702 if (outInfo.removedChildPackages != null) { 14703 final int childCount = (deletedPs.childPackageNames != null) 14704 ? deletedPs.childPackageNames.size() : 0; 14705 for (int i = 0; i < childCount; i++) { 14706 String childPackageName = deletedPs.childPackageNames.get(i); 14707 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 14708 .contains(childPackageName)) { 14709 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14710 childPackageName); 14711 if (childInfo != null) { 14712 childInfo.isRemovedPackageSystemUpdate = true; 14713 } 14714 } 14715 } 14716 } 14717 14718 if (disabledPs.versionCode < deletedPs.versionCode) { 14719 // Delete data for downgrades 14720 flags &= ~PackageManager.DELETE_KEEP_DATA; 14721 } else { 14722 // Preserve data by setting flag 14723 flags |= PackageManager.DELETE_KEEP_DATA; 14724 } 14725 14726 boolean ret = deleteInstalledPackageLI(deletedPs, true, flags, allUserHandles, 14727 outInfo, writeSettings, disabledPs.pkg); 14728 if (!ret) { 14729 return false; 14730 } 14731 14732 // writer 14733 synchronized (mPackages) { 14734 // Reinstate the old system package 14735 enableSystemPackageLPw(disabledPs.pkg); 14736 // Remove any native libraries from the upgraded package. 14737 removeNativeBinariesLI(deletedPs); 14738 } 14739 14740 // Install the system package 14741 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 14742 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 14743 if (locationIsPrivileged(disabledPs.codePath)) { 14744 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 14745 } 14746 14747 final PackageParser.Package newPkg; 14748 try { 14749 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 14750 } catch (PackageManagerException e) { 14751 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 14752 + e.getMessage()); 14753 return false; 14754 } 14755 14756 prepareAppDataAfterInstall(newPkg); 14757 14758 // writer 14759 synchronized (mPackages) { 14760 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 14761 14762 // Propagate the permissions state as we do not want to drop on the floor 14763 // runtime permissions. The update permissions method below will take 14764 // care of removing obsolete permissions and grant install permissions. 14765 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 14766 updatePermissionsLPw(newPkg.packageName, newPkg, 14767 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 14768 14769 if (applyUserRestrictions) { 14770 if (DEBUG_REMOVE) { 14771 Slog.d(TAG, "Propagating install state across reinstall"); 14772 } 14773 for (int userId : allUserHandles) { 14774 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 14775 if (DEBUG_REMOVE) { 14776 Slog.d(TAG, " user " + userId + " => " + installed); 14777 } 14778 ps.setInstalled(installed, userId); 14779 14780 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 14781 } 14782 // Regardless of writeSettings we need to ensure that this restriction 14783 // state propagation is persisted 14784 mSettings.writeAllUsersPackageRestrictionsLPr(); 14785 } 14786 // can downgrade to reader here 14787 if (writeSettings) { 14788 mSettings.writeLPr(); 14789 } 14790 } 14791 return true; 14792 } 14793 14794 private boolean deleteInstalledPackageLI(PackageSetting ps, 14795 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 14796 PackageRemovedInfo outInfo, boolean writeSettings, 14797 PackageParser.Package replacingPackage) { 14798 synchronized (mPackages) { 14799 if (outInfo != null) { 14800 outInfo.uid = ps.appId; 14801 } 14802 14803 if (outInfo != null && outInfo.removedChildPackages != null) { 14804 final int childCount = (ps.childPackageNames != null) 14805 ? ps.childPackageNames.size() : 0; 14806 for (int i = 0; i < childCount; i++) { 14807 String childPackageName = ps.childPackageNames.get(i); 14808 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 14809 if (childPs == null) { 14810 return false; 14811 } 14812 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 14813 childPackageName); 14814 if (childInfo != null) { 14815 childInfo.uid = childPs.appId; 14816 } 14817 } 14818 } 14819 } 14820 14821 // Delete package data from internal structures and also remove data if flag is set 14822 removePackageDataLI(ps, allUserHandles, outInfo, flags, writeSettings); 14823 14824 // Delete the child packages data 14825 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 14826 for (int i = 0; i < childCount; i++) { 14827 PackageSetting childPs; 14828 synchronized (mPackages) { 14829 childPs = mSettings.peekPackageLPr(ps.childPackageNames.get(i)); 14830 } 14831 if (childPs != null) { 14832 PackageRemovedInfo childOutInfo = (outInfo != null 14833 && outInfo.removedChildPackages != null) 14834 ? outInfo.removedChildPackages.get(childPs.name) : null; 14835 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 14836 && (replacingPackage != null 14837 && !replacingPackage.hasChildPackage(childPs.name)) 14838 ? flags & ~DELETE_KEEP_DATA : flags; 14839 removePackageDataLI(childPs, allUserHandles, childOutInfo, 14840 deleteFlags, writeSettings); 14841 } 14842 } 14843 14844 // Delete application code and resources only for parent packages 14845 if (ps.parentPackageName == null) { 14846 if (deleteCodeAndResources && (outInfo != null)) { 14847 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 14848 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 14849 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 14850 } 14851 } 14852 14853 return true; 14854 } 14855 14856 @Override 14857 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 14858 int userId) { 14859 mContext.enforceCallingOrSelfPermission( 14860 android.Manifest.permission.DELETE_PACKAGES, null); 14861 synchronized (mPackages) { 14862 PackageSetting ps = mSettings.mPackages.get(packageName); 14863 if (ps == null) { 14864 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 14865 return false; 14866 } 14867 if (!ps.getInstalled(userId)) { 14868 // Can't block uninstall for an app that is not installed or enabled. 14869 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 14870 return false; 14871 } 14872 ps.setBlockUninstall(blockUninstall, userId); 14873 mSettings.writePackageRestrictionsLPr(userId); 14874 } 14875 return true; 14876 } 14877 14878 @Override 14879 public boolean getBlockUninstallForUser(String packageName, int userId) { 14880 synchronized (mPackages) { 14881 PackageSetting ps = mSettings.mPackages.get(packageName); 14882 if (ps == null) { 14883 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 14884 return false; 14885 } 14886 return ps.getBlockUninstall(userId); 14887 } 14888 } 14889 14890 @Override 14891 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 14892 int callingUid = Binder.getCallingUid(); 14893 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 14894 throw new SecurityException( 14895 "setRequiredForSystemUser can only be run by the system or root"); 14896 } 14897 synchronized (mPackages) { 14898 PackageSetting ps = mSettings.mPackages.get(packageName); 14899 if (ps == null) { 14900 Log.w(TAG, "Package doesn't exist: " + packageName); 14901 return false; 14902 } 14903 if (systemUserApp) { 14904 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14905 } else { 14906 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 14907 } 14908 mSettings.writeLPr(); 14909 } 14910 return true; 14911 } 14912 14913 /* 14914 * This method handles package deletion in general 14915 */ 14916 private boolean deletePackageLI(String packageName, UserHandle user, 14917 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 14918 PackageRemovedInfo outInfo, boolean writeSettings, 14919 PackageParser.Package replacingPackage) { 14920 if (packageName == null) { 14921 Slog.w(TAG, "Attempt to delete null packageName."); 14922 return false; 14923 } 14924 14925 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 14926 14927 PackageSetting ps; 14928 14929 synchronized (mPackages) { 14930 ps = mSettings.mPackages.get(packageName); 14931 if (ps == null) { 14932 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14933 return false; 14934 } 14935 14936 if (ps.parentPackageName != null && (!isSystemApp(ps) 14937 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 14938 if (DEBUG_REMOVE) { 14939 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 14940 + ((user == null) ? UserHandle.USER_ALL : user)); 14941 } 14942 final int removedUserId = (user != null) ? user.getIdentifier() 14943 : UserHandle.USER_ALL; 14944 if (!clearPackageStateForUser(ps, removedUserId, outInfo)) { 14945 return false; 14946 } 14947 markPackageUninstalledForUserLPw(ps, user); 14948 scheduleWritePackageRestrictionsLocked(user); 14949 return true; 14950 } 14951 } 14952 14953 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 14954 && user.getIdentifier() != UserHandle.USER_ALL)) { 14955 // The caller is asking that the package only be deleted for a single 14956 // user. To do this, we just mark its uninstalled state and delete 14957 // its data. If this is a system app, we only allow this to happen if 14958 // they have set the special DELETE_SYSTEM_APP which requests different 14959 // semantics than normal for uninstalling system apps. 14960 markPackageUninstalledForUserLPw(ps, user); 14961 14962 if (!isSystemApp(ps)) { 14963 // Do not uninstall the APK if an app should be cached 14964 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 14965 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 14966 // Other user still have this package installed, so all 14967 // we need to do is clear this user's data and save that 14968 // it is uninstalled. 14969 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 14970 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14971 return false; 14972 } 14973 scheduleWritePackageRestrictionsLocked(user); 14974 return true; 14975 } else { 14976 // We need to set it back to 'installed' so the uninstall 14977 // broadcasts will be sent correctly. 14978 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 14979 ps.setInstalled(true, user.getIdentifier()); 14980 } 14981 } else { 14982 // This is a system app, so we assume that the 14983 // other users still have this package installed, so all 14984 // we need to do is clear this user's data and save that 14985 // it is uninstalled. 14986 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 14987 if (!clearPackageStateForUser(ps, user.getIdentifier(), outInfo)) { 14988 return false; 14989 } 14990 scheduleWritePackageRestrictionsLocked(user); 14991 return true; 14992 } 14993 } 14994 14995 // If we are deleting a composite package for all users, keep track 14996 // of result for each child. 14997 if (ps.childPackageNames != null && outInfo != null) { 14998 synchronized (mPackages) { 14999 final int childCount = ps.childPackageNames.size(); 15000 outInfo.removedChildPackages = new ArrayMap<>(childCount); 15001 for (int i = 0; i < childCount; i++) { 15002 String childPackageName = ps.childPackageNames.get(i); 15003 PackageRemovedInfo childInfo = new PackageRemovedInfo(); 15004 childInfo.removedPackage = childPackageName; 15005 outInfo.removedChildPackages.put(childPackageName, childInfo); 15006 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15007 if (childPs != null) { 15008 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 15009 } 15010 } 15011 } 15012 } 15013 15014 boolean ret = false; 15015 if (isSystemApp(ps)) { 15016 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 15017 // When an updated system application is deleted we delete the existing resources 15018 // as well and fall back to existing code in system partition 15019 ret = deleteSystemPackageLI(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 15020 } else { 15021 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 15022 // Kill application pre-emptively especially for apps on sd. 15023 final boolean killApp = (flags & PackageManager.DELETE_DONT_KILL_APP) == 0; 15024 if (killApp) { 15025 killApplication(packageName, ps.appId, "uninstall pkg"); 15026 } 15027 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, 15028 outInfo, writeSettings, replacingPackage); 15029 } 15030 15031 // Take a note whether we deleted the package for all users 15032 if (outInfo != null) { 15033 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15034 if (outInfo.removedChildPackages != null) { 15035 synchronized (mPackages) { 15036 final int childCount = outInfo.removedChildPackages.size(); 15037 for (int i = 0; i < childCount; i++) { 15038 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 15039 if (childInfo != null) { 15040 childInfo.removedForAllUsers = mPackages.get( 15041 childInfo.removedPackage) == null; 15042 } 15043 } 15044 } 15045 } 15046 // If we uninstalled an update to a system app there may be some 15047 // child packages that appeared as they are declared in the system 15048 // app but were not declared in the update. 15049 if (isSystemApp(ps)) { 15050 synchronized (mPackages) { 15051 PackageSetting updatedPs = mSettings.peekPackageLPr(ps.name); 15052 final int childCount = (updatedPs.childPackageNames != null) 15053 ? updatedPs.childPackageNames.size() : 0; 15054 for (int i = 0; i < childCount; i++) { 15055 String childPackageName = updatedPs.childPackageNames.get(i); 15056 if (outInfo.removedChildPackages == null 15057 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 15058 PackageSetting childPs = mSettings.peekPackageLPr(childPackageName); 15059 if (childPs == null) { 15060 continue; 15061 } 15062 PackageInstalledInfo installRes = new PackageInstalledInfo(); 15063 installRes.name = childPackageName; 15064 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 15065 installRes.pkg = mPackages.get(childPackageName); 15066 installRes.uid = childPs.pkg.applicationInfo.uid; 15067 if (outInfo.appearedChildPackages == null) { 15068 outInfo.appearedChildPackages = new ArrayMap<>(); 15069 } 15070 outInfo.appearedChildPackages.put(childPackageName, installRes); 15071 } 15072 } 15073 } 15074 } 15075 } 15076 15077 return ret; 15078 } 15079 15080 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 15081 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 15082 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 15083 for (int nextUserId : userIds) { 15084 if (DEBUG_REMOVE) { 15085 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 15086 } 15087 ps.setUserState(nextUserId, COMPONENT_ENABLED_STATE_DEFAULT, 15088 false /*installed*/, true /*stopped*/, true /*notLaunched*/, 15089 false /*hidden*/, false /*suspended*/, null, null, null, 15090 false /*blockUninstall*/, 15091 ps.readUserState(nextUserId).domainVerificationStatus, 0); 15092 } 15093 } 15094 15095 private boolean clearPackageStateForUser(PackageSetting ps, int userId, 15096 PackageRemovedInfo outInfo) { 15097 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 15098 : new int[] {userId}; 15099 for (int nextUserId : userIds) { 15100 if (DEBUG_REMOVE) { 15101 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 15102 + nextUserId); 15103 } 15104 final int flags = StorageManager.FLAG_STORAGE_CE| StorageManager.FLAG_STORAGE_DE; 15105 try { 15106 mInstaller.destroyAppData(ps.volumeUuid, ps.name, nextUserId, flags); 15107 } catch (InstallerException e) { 15108 Slog.w(TAG, "Couldn't remove cache files for package " + ps.name, e); 15109 return false; 15110 } 15111 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 15112 schedulePackageCleaning(ps.name, nextUserId, false); 15113 synchronized (mPackages) { 15114 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 15115 scheduleWritePackageRestrictionsLocked(nextUserId); 15116 } 15117 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 15118 } 15119 } 15120 15121 if (outInfo != null) { 15122 outInfo.removedPackage = ps.name; 15123 outInfo.removedAppId = ps.appId; 15124 outInfo.removedUsers = userIds; 15125 } 15126 15127 return true; 15128 } 15129 15130 private final class ClearStorageConnection implements ServiceConnection { 15131 IMediaContainerService mContainerService; 15132 15133 @Override 15134 public void onServiceConnected(ComponentName name, IBinder service) { 15135 synchronized (this) { 15136 mContainerService = IMediaContainerService.Stub.asInterface(service); 15137 notifyAll(); 15138 } 15139 } 15140 15141 @Override 15142 public void onServiceDisconnected(ComponentName name) { 15143 } 15144 } 15145 15146 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 15147 final boolean mounted; 15148 if (Environment.isExternalStorageEmulated()) { 15149 mounted = true; 15150 } else { 15151 final String status = Environment.getExternalStorageState(); 15152 15153 mounted = status.equals(Environment.MEDIA_MOUNTED) 15154 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 15155 } 15156 15157 if (!mounted) { 15158 return; 15159 } 15160 15161 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 15162 int[] users; 15163 if (userId == UserHandle.USER_ALL) { 15164 users = sUserManager.getUserIds(); 15165 } else { 15166 users = new int[] { userId }; 15167 } 15168 final ClearStorageConnection conn = new ClearStorageConnection(); 15169 if (mContext.bindServiceAsUser( 15170 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 15171 try { 15172 for (int curUser : users) { 15173 long timeout = SystemClock.uptimeMillis() + 5000; 15174 synchronized (conn) { 15175 long now = SystemClock.uptimeMillis(); 15176 while (conn.mContainerService == null && now < timeout) { 15177 try { 15178 conn.wait(timeout - now); 15179 } catch (InterruptedException e) { 15180 } 15181 } 15182 } 15183 if (conn.mContainerService == null) { 15184 return; 15185 } 15186 15187 final UserEnvironment userEnv = new UserEnvironment(curUser); 15188 clearDirectory(conn.mContainerService, 15189 userEnv.buildExternalStorageAppCacheDirs(packageName)); 15190 if (allData) { 15191 clearDirectory(conn.mContainerService, 15192 userEnv.buildExternalStorageAppDataDirs(packageName)); 15193 clearDirectory(conn.mContainerService, 15194 userEnv.buildExternalStorageAppMediaDirs(packageName)); 15195 } 15196 } 15197 } finally { 15198 mContext.unbindService(conn); 15199 } 15200 } 15201 } 15202 15203 @Override 15204 public void clearApplicationProfileData(String packageName) { 15205 enforceSystemOrRoot("Only the system can clear all profile data"); 15206 try { 15207 mInstaller.clearAppProfiles(packageName); 15208 } catch (InstallerException ex) { 15209 Log.e(TAG, "Could not clear profile data of package " + packageName); 15210 } 15211 } 15212 15213 @Override 15214 public void clearApplicationUserData(final String packageName, 15215 final IPackageDataObserver observer, final int userId) { 15216 mContext.enforceCallingOrSelfPermission( 15217 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 15218 15219 enforceCrossUserPermission(Binder.getCallingUid(), userId, 15220 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 15221 15222 final DevicePolicyManagerInternal dpmi = LocalServices 15223 .getService(DevicePolicyManagerInternal.class); 15224 if (dpmi != null && dpmi.hasDeviceOwnerOrProfileOwner(packageName, userId)) { 15225 throw new SecurityException("Cannot clear data for a device owner or a profile owner"); 15226 } 15227 // Queue up an async operation since the package deletion may take a little while. 15228 mHandler.post(new Runnable() { 15229 public void run() { 15230 mHandler.removeCallbacks(this); 15231 final boolean succeeded; 15232 synchronized (mInstallLock) { 15233 succeeded = clearApplicationUserDataLI(packageName, userId); 15234 } 15235 clearExternalStorageDataSync(packageName, userId, true); 15236 if (succeeded) { 15237 // invoke DeviceStorageMonitor's update method to clear any notifications 15238 DeviceStorageMonitorInternal dsm = LocalServices 15239 .getService(DeviceStorageMonitorInternal.class); 15240 if (dsm != null) { 15241 dsm.checkMemory(); 15242 } 15243 } 15244 if(observer != null) { 15245 try { 15246 observer.onRemoveCompleted(packageName, succeeded); 15247 } catch (RemoteException e) { 15248 Log.i(TAG, "Observer no longer exists."); 15249 } 15250 } //end if observer 15251 } //end run 15252 }); 15253 } 15254 15255 private boolean clearApplicationUserDataLI(String packageName, int userId) { 15256 if (packageName == null) { 15257 Slog.w(TAG, "Attempt to delete null packageName."); 15258 return false; 15259 } 15260 15261 // Try finding details about the requested package 15262 PackageParser.Package pkg; 15263 synchronized (mPackages) { 15264 pkg = mPackages.get(packageName); 15265 if (pkg == null) { 15266 final PackageSetting ps = mSettings.mPackages.get(packageName); 15267 if (ps != null) { 15268 pkg = ps.pkg; 15269 } 15270 } 15271 15272 if (pkg == null) { 15273 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 15274 return false; 15275 } 15276 15277 PackageSetting ps = (PackageSetting) pkg.mExtras; 15278 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15279 } 15280 15281 // Always delete data directories for package, even if we found no other 15282 // record of app. This helps users recover from UID mismatches without 15283 // resorting to a full data wipe. 15284 // TODO: triage flags as part of 26466827 15285 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15286 try { 15287 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 15288 } catch (InstallerException e) { 15289 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 15290 return false; 15291 } 15292 15293 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 15294 removeKeystoreDataIfNeeded(userId, appId); 15295 15296 // Create a native library symlink only if we have native libraries 15297 // and if the native libraries are 32 bit libraries. We do not provide 15298 // this symlink for 64 bit libraries. 15299 if (pkg.applicationInfo.primaryCpuAbi != null && 15300 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 15301 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 15302 try { 15303 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 15304 nativeLibPath, userId); 15305 } catch (InstallerException e) { 15306 Slog.w(TAG, "Failed linking native library dir", e); 15307 return false; 15308 } 15309 } 15310 15311 return true; 15312 } 15313 15314 /** 15315 * Reverts user permission state changes (permissions and flags) in 15316 * all packages for a given user. 15317 * 15318 * @param userId The device user for which to do a reset. 15319 */ 15320 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 15321 final int packageCount = mPackages.size(); 15322 for (int i = 0; i < packageCount; i++) { 15323 PackageParser.Package pkg = mPackages.valueAt(i); 15324 PackageSetting ps = (PackageSetting) pkg.mExtras; 15325 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 15326 } 15327 } 15328 15329 /** 15330 * Reverts user permission state changes (permissions and flags). 15331 * 15332 * @param ps The package for which to reset. 15333 * @param userId The device user for which to do a reset. 15334 */ 15335 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 15336 final PackageSetting ps, final int userId) { 15337 if (ps.pkg == null) { 15338 return; 15339 } 15340 15341 // These are flags that can change base on user actions. 15342 final int userSettableMask = FLAG_PERMISSION_USER_SET 15343 | FLAG_PERMISSION_USER_FIXED 15344 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 15345 | FLAG_PERMISSION_REVIEW_REQUIRED; 15346 15347 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 15348 | FLAG_PERMISSION_POLICY_FIXED; 15349 15350 boolean writeInstallPermissions = false; 15351 boolean writeRuntimePermissions = false; 15352 15353 final int permissionCount = ps.pkg.requestedPermissions.size(); 15354 for (int i = 0; i < permissionCount; i++) { 15355 String permission = ps.pkg.requestedPermissions.get(i); 15356 15357 BasePermission bp = mSettings.mPermissions.get(permission); 15358 if (bp == null) { 15359 continue; 15360 } 15361 15362 // If shared user we just reset the state to which only this app contributed. 15363 if (ps.sharedUser != null) { 15364 boolean used = false; 15365 final int packageCount = ps.sharedUser.packages.size(); 15366 for (int j = 0; j < packageCount; j++) { 15367 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 15368 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 15369 && pkg.pkg.requestedPermissions.contains(permission)) { 15370 used = true; 15371 break; 15372 } 15373 } 15374 if (used) { 15375 continue; 15376 } 15377 } 15378 15379 PermissionsState permissionsState = ps.getPermissionsState(); 15380 15381 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 15382 15383 // Always clear the user settable flags. 15384 final boolean hasInstallState = permissionsState.getInstallPermissionState( 15385 bp.name) != null; 15386 // If permission review is enabled and this is a legacy app, mark the 15387 // permission as requiring a review as this is the initial state. 15388 int flags = 0; 15389 if (Build.PERMISSIONS_REVIEW_REQUIRED 15390 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 15391 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 15392 } 15393 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 15394 if (hasInstallState) { 15395 writeInstallPermissions = true; 15396 } else { 15397 writeRuntimePermissions = true; 15398 } 15399 } 15400 15401 // Below is only runtime permission handling. 15402 if (!bp.isRuntime()) { 15403 continue; 15404 } 15405 15406 // Never clobber system or policy. 15407 if ((oldFlags & policyOrSystemFlags) != 0) { 15408 continue; 15409 } 15410 15411 // If this permission was granted by default, make sure it is. 15412 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 15413 if (permissionsState.grantRuntimePermission(bp, userId) 15414 != PERMISSION_OPERATION_FAILURE) { 15415 writeRuntimePermissions = true; 15416 } 15417 // If permission review is enabled the permissions for a legacy apps 15418 // are represented as constantly granted runtime ones, so don't revoke. 15419 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 15420 // Otherwise, reset the permission. 15421 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 15422 switch (revokeResult) { 15423 case PERMISSION_OPERATION_SUCCESS: { 15424 writeRuntimePermissions = true; 15425 } break; 15426 15427 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 15428 writeRuntimePermissions = true; 15429 final int appId = ps.appId; 15430 mHandler.post(new Runnable() { 15431 @Override 15432 public void run() { 15433 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 15434 } 15435 }); 15436 } break; 15437 } 15438 } 15439 } 15440 15441 // Synchronously write as we are taking permissions away. 15442 if (writeRuntimePermissions) { 15443 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 15444 } 15445 15446 // Synchronously write as we are taking permissions away. 15447 if (writeInstallPermissions) { 15448 mSettings.writeLPr(); 15449 } 15450 } 15451 15452 /** 15453 * Remove entries from the keystore daemon. Will only remove it if the 15454 * {@code appId} is valid. 15455 */ 15456 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 15457 if (appId < 0) { 15458 return; 15459 } 15460 15461 final KeyStore keyStore = KeyStore.getInstance(); 15462 if (keyStore != null) { 15463 if (userId == UserHandle.USER_ALL) { 15464 for (final int individual : sUserManager.getUserIds()) { 15465 keyStore.clearUid(UserHandle.getUid(individual, appId)); 15466 } 15467 } else { 15468 keyStore.clearUid(UserHandle.getUid(userId, appId)); 15469 } 15470 } else { 15471 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 15472 } 15473 } 15474 15475 @Override 15476 public void deleteApplicationCacheFiles(final String packageName, 15477 final IPackageDataObserver observer) { 15478 mContext.enforceCallingOrSelfPermission( 15479 android.Manifest.permission.DELETE_CACHE_FILES, null); 15480 // Queue up an async operation since the package deletion may take a little while. 15481 final int userId = UserHandle.getCallingUserId(); 15482 mHandler.post(new Runnable() { 15483 public void run() { 15484 mHandler.removeCallbacks(this); 15485 final boolean succeded; 15486 synchronized (mInstallLock) { 15487 succeded = deleteApplicationCacheFilesLI(packageName, userId); 15488 } 15489 clearExternalStorageDataSync(packageName, userId, false); 15490 if (observer != null) { 15491 try { 15492 observer.onRemoveCompleted(packageName, succeded); 15493 } catch (RemoteException e) { 15494 Log.i(TAG, "Observer no longer exists."); 15495 } 15496 } //end if observer 15497 } //end run 15498 }); 15499 } 15500 15501 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 15502 if (packageName == null) { 15503 Slog.w(TAG, "Attempt to delete null packageName."); 15504 return false; 15505 } 15506 PackageParser.Package p; 15507 synchronized (mPackages) { 15508 p = mPackages.get(packageName); 15509 } 15510 if (p == null) { 15511 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15512 return false; 15513 } 15514 final ApplicationInfo applicationInfo = p.applicationInfo; 15515 if (applicationInfo == null) { 15516 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15517 return false; 15518 } 15519 // TODO: triage flags as part of 26466827 15520 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15521 try { 15522 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 15523 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 15524 } catch (InstallerException e) { 15525 Slog.w(TAG, "Couldn't remove cache files for package " 15526 + packageName + " u" + userId, e); 15527 return false; 15528 } 15529 return true; 15530 } 15531 15532 @Override 15533 public void getPackageSizeInfo(final String packageName, int userHandle, 15534 final IPackageStatsObserver observer) { 15535 mContext.enforceCallingOrSelfPermission( 15536 android.Manifest.permission.GET_PACKAGE_SIZE, null); 15537 if (packageName == null) { 15538 throw new IllegalArgumentException("Attempt to get size of null packageName"); 15539 } 15540 15541 PackageStats stats = new PackageStats(packageName, userHandle); 15542 15543 /* 15544 * Queue up an async operation since the package measurement may take a 15545 * little while. 15546 */ 15547 Message msg = mHandler.obtainMessage(INIT_COPY); 15548 msg.obj = new MeasureParams(stats, observer); 15549 mHandler.sendMessage(msg); 15550 } 15551 15552 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 15553 PackageStats pStats) { 15554 if (packageName == null) { 15555 Slog.w(TAG, "Attempt to get size of null packageName."); 15556 return false; 15557 } 15558 PackageParser.Package p; 15559 boolean dataOnly = false; 15560 String libDirRoot = null; 15561 String asecPath = null; 15562 PackageSetting ps = null; 15563 synchronized (mPackages) { 15564 p = mPackages.get(packageName); 15565 ps = mSettings.mPackages.get(packageName); 15566 if(p == null) { 15567 dataOnly = true; 15568 if((ps == null) || (ps.pkg == null)) { 15569 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 15570 return false; 15571 } 15572 p = ps.pkg; 15573 } 15574 if (ps != null) { 15575 libDirRoot = ps.legacyNativeLibraryPathString; 15576 } 15577 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 15578 final long token = Binder.clearCallingIdentity(); 15579 try { 15580 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 15581 if (secureContainerId != null) { 15582 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 15583 } 15584 } finally { 15585 Binder.restoreCallingIdentity(token); 15586 } 15587 } 15588 } 15589 String publicSrcDir = null; 15590 if(!dataOnly) { 15591 final ApplicationInfo applicationInfo = p.applicationInfo; 15592 if (applicationInfo == null) { 15593 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 15594 return false; 15595 } 15596 if (p.isForwardLocked()) { 15597 publicSrcDir = applicationInfo.getBaseResourcePath(); 15598 } 15599 } 15600 // TODO: extend to measure size of split APKs 15601 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 15602 // not just the first level. 15603 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 15604 // just the primary. 15605 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 15606 15607 String apkPath; 15608 File packageDir = new File(p.codePath); 15609 15610 if (packageDir.isDirectory() && p.canHaveOatDir()) { 15611 apkPath = packageDir.getAbsolutePath(); 15612 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 15613 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 15614 libDirRoot = null; 15615 } 15616 } else { 15617 apkPath = p.baseCodePath; 15618 } 15619 15620 // TODO: triage flags as part of 26466827 15621 final int flags = StorageManager.FLAG_STORAGE_CE | StorageManager.FLAG_STORAGE_DE; 15622 try { 15623 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 15624 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 15625 } catch (InstallerException e) { 15626 return false; 15627 } 15628 15629 // Fix-up for forward-locked applications in ASEC containers. 15630 if (!isExternal(p)) { 15631 pStats.codeSize += pStats.externalCodeSize; 15632 pStats.externalCodeSize = 0L; 15633 } 15634 15635 return true; 15636 } 15637 15638 private int getUidTargetSdkVersionLockedLPr(int uid) { 15639 Object obj = mSettings.getUserIdLPr(uid); 15640 if (obj instanceof SharedUserSetting) { 15641 final SharedUserSetting sus = (SharedUserSetting) obj; 15642 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 15643 final Iterator<PackageSetting> it = sus.packages.iterator(); 15644 while (it.hasNext()) { 15645 final PackageSetting ps = it.next(); 15646 if (ps.pkg != null) { 15647 int v = ps.pkg.applicationInfo.targetSdkVersion; 15648 if (v < vers) vers = v; 15649 } 15650 } 15651 return vers; 15652 } else if (obj instanceof PackageSetting) { 15653 final PackageSetting ps = (PackageSetting) obj; 15654 if (ps.pkg != null) { 15655 return ps.pkg.applicationInfo.targetSdkVersion; 15656 } 15657 } 15658 return Build.VERSION_CODES.CUR_DEVELOPMENT; 15659 } 15660 15661 @Override 15662 public void addPreferredActivity(IntentFilter filter, int match, 15663 ComponentName[] set, ComponentName activity, int userId) { 15664 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15665 "Adding preferred"); 15666 } 15667 15668 private void addPreferredActivityInternal(IntentFilter filter, int match, 15669 ComponentName[] set, ComponentName activity, boolean always, int userId, 15670 String opname) { 15671 // writer 15672 int callingUid = Binder.getCallingUid(); 15673 enforceCrossUserPermission(callingUid, userId, 15674 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 15675 if (filter.countActions() == 0) { 15676 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15677 return; 15678 } 15679 synchronized (mPackages) { 15680 if (mContext.checkCallingOrSelfPermission( 15681 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15682 != PackageManager.PERMISSION_GRANTED) { 15683 if (getUidTargetSdkVersionLockedLPr(callingUid) 15684 < Build.VERSION_CODES.FROYO) { 15685 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 15686 + callingUid); 15687 return; 15688 } 15689 mContext.enforceCallingOrSelfPermission( 15690 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15691 } 15692 15693 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 15694 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 15695 + userId + ":"); 15696 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15697 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 15698 scheduleWritePackageRestrictionsLocked(userId); 15699 } 15700 } 15701 15702 @Override 15703 public void replacePreferredActivity(IntentFilter filter, int match, 15704 ComponentName[] set, ComponentName activity, int userId) { 15705 if (filter.countActions() != 1) { 15706 throw new IllegalArgumentException( 15707 "replacePreferredActivity expects filter to have only 1 action."); 15708 } 15709 if (filter.countDataAuthorities() != 0 15710 || filter.countDataPaths() != 0 15711 || filter.countDataSchemes() > 1 15712 || filter.countDataTypes() != 0) { 15713 throw new IllegalArgumentException( 15714 "replacePreferredActivity expects filter to have no data authorities, " + 15715 "paths, or types; and at most one scheme."); 15716 } 15717 15718 final int callingUid = Binder.getCallingUid(); 15719 enforceCrossUserPermission(callingUid, userId, 15720 true /* requireFullPermission */, false /* checkShell */, 15721 "replace preferred activity"); 15722 synchronized (mPackages) { 15723 if (mContext.checkCallingOrSelfPermission( 15724 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15725 != PackageManager.PERMISSION_GRANTED) { 15726 if (getUidTargetSdkVersionLockedLPr(callingUid) 15727 < Build.VERSION_CODES.FROYO) { 15728 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 15729 + Binder.getCallingUid()); 15730 return; 15731 } 15732 mContext.enforceCallingOrSelfPermission( 15733 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15734 } 15735 15736 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15737 if (pir != null) { 15738 // Get all of the existing entries that exactly match this filter. 15739 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 15740 if (existing != null && existing.size() == 1) { 15741 PreferredActivity cur = existing.get(0); 15742 if (DEBUG_PREFERRED) { 15743 Slog.i(TAG, "Checking replace of preferred:"); 15744 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15745 if (!cur.mPref.mAlways) { 15746 Slog.i(TAG, " -- CUR; not mAlways!"); 15747 } else { 15748 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 15749 Slog.i(TAG, " -- CUR: mSet=" 15750 + Arrays.toString(cur.mPref.mSetComponents)); 15751 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 15752 Slog.i(TAG, " -- NEW: mMatch=" 15753 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 15754 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 15755 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 15756 } 15757 } 15758 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 15759 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 15760 && cur.mPref.sameSet(set)) { 15761 // Setting the preferred activity to what it happens to be already 15762 if (DEBUG_PREFERRED) { 15763 Slog.i(TAG, "Replacing with same preferred activity " 15764 + cur.mPref.mShortComponent + " for user " 15765 + userId + ":"); 15766 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15767 } 15768 return; 15769 } 15770 } 15771 15772 if (existing != null) { 15773 if (DEBUG_PREFERRED) { 15774 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 15775 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15776 } 15777 for (int i = 0; i < existing.size(); i++) { 15778 PreferredActivity pa = existing.get(i); 15779 if (DEBUG_PREFERRED) { 15780 Slog.i(TAG, "Removing existing preferred activity " 15781 + pa.mPref.mComponent + ":"); 15782 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 15783 } 15784 pir.removeFilter(pa); 15785 } 15786 } 15787 } 15788 addPreferredActivityInternal(filter, match, set, activity, true, userId, 15789 "Replacing preferred"); 15790 } 15791 } 15792 15793 @Override 15794 public void clearPackagePreferredActivities(String packageName) { 15795 final int uid = Binder.getCallingUid(); 15796 // writer 15797 synchronized (mPackages) { 15798 PackageParser.Package pkg = mPackages.get(packageName); 15799 if (pkg == null || pkg.applicationInfo.uid != uid) { 15800 if (mContext.checkCallingOrSelfPermission( 15801 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 15802 != PackageManager.PERMISSION_GRANTED) { 15803 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 15804 < Build.VERSION_CODES.FROYO) { 15805 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 15806 + Binder.getCallingUid()); 15807 return; 15808 } 15809 mContext.enforceCallingOrSelfPermission( 15810 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15811 } 15812 } 15813 15814 int user = UserHandle.getCallingUserId(); 15815 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 15816 scheduleWritePackageRestrictionsLocked(user); 15817 } 15818 } 15819 } 15820 15821 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15822 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 15823 ArrayList<PreferredActivity> removed = null; 15824 boolean changed = false; 15825 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15826 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 15827 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15828 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 15829 continue; 15830 } 15831 Iterator<PreferredActivity> it = pir.filterIterator(); 15832 while (it.hasNext()) { 15833 PreferredActivity pa = it.next(); 15834 // Mark entry for removal only if it matches the package name 15835 // and the entry is of type "always". 15836 if (packageName == null || 15837 (pa.mPref.mComponent.getPackageName().equals(packageName) 15838 && pa.mPref.mAlways)) { 15839 if (removed == null) { 15840 removed = new ArrayList<PreferredActivity>(); 15841 } 15842 removed.add(pa); 15843 } 15844 } 15845 if (removed != null) { 15846 for (int j=0; j<removed.size(); j++) { 15847 PreferredActivity pa = removed.get(j); 15848 pir.removeFilter(pa); 15849 } 15850 changed = true; 15851 } 15852 } 15853 return changed; 15854 } 15855 15856 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15857 private void clearIntentFilterVerificationsLPw(int userId) { 15858 final int packageCount = mPackages.size(); 15859 for (int i = 0; i < packageCount; i++) { 15860 PackageParser.Package pkg = mPackages.valueAt(i); 15861 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 15862 } 15863 } 15864 15865 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 15866 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 15867 if (userId == UserHandle.USER_ALL) { 15868 if (mSettings.removeIntentFilterVerificationLPw(packageName, 15869 sUserManager.getUserIds())) { 15870 for (int oneUserId : sUserManager.getUserIds()) { 15871 scheduleWritePackageRestrictionsLocked(oneUserId); 15872 } 15873 } 15874 } else { 15875 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 15876 scheduleWritePackageRestrictionsLocked(userId); 15877 } 15878 } 15879 } 15880 15881 void clearDefaultBrowserIfNeeded(String packageName) { 15882 for (int oneUserId : sUserManager.getUserIds()) { 15883 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 15884 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 15885 if (packageName.equals(defaultBrowserPackageName)) { 15886 setDefaultBrowserPackageName(null, oneUserId); 15887 } 15888 } 15889 } 15890 15891 @Override 15892 public void resetApplicationPreferences(int userId) { 15893 mContext.enforceCallingOrSelfPermission( 15894 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15895 // writer 15896 synchronized (mPackages) { 15897 final long identity = Binder.clearCallingIdentity(); 15898 try { 15899 clearPackagePreferredActivitiesLPw(null, userId); 15900 mSettings.applyDefaultPreferredAppsLPw(this, userId); 15901 // TODO: We have to reset the default SMS and Phone. This requires 15902 // significant refactoring to keep all default apps in the package 15903 // manager (cleaner but more work) or have the services provide 15904 // callbacks to the package manager to request a default app reset. 15905 applyFactoryDefaultBrowserLPw(userId); 15906 clearIntentFilterVerificationsLPw(userId); 15907 primeDomainVerificationsLPw(userId); 15908 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 15909 scheduleWritePackageRestrictionsLocked(userId); 15910 } finally { 15911 Binder.restoreCallingIdentity(identity); 15912 } 15913 } 15914 } 15915 15916 @Override 15917 public int getPreferredActivities(List<IntentFilter> outFilters, 15918 List<ComponentName> outActivities, String packageName) { 15919 15920 int num = 0; 15921 final int userId = UserHandle.getCallingUserId(); 15922 // reader 15923 synchronized (mPackages) { 15924 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 15925 if (pir != null) { 15926 final Iterator<PreferredActivity> it = pir.filterIterator(); 15927 while (it.hasNext()) { 15928 final PreferredActivity pa = it.next(); 15929 if (packageName == null 15930 || (pa.mPref.mComponent.getPackageName().equals(packageName) 15931 && pa.mPref.mAlways)) { 15932 if (outFilters != null) { 15933 outFilters.add(new IntentFilter(pa)); 15934 } 15935 if (outActivities != null) { 15936 outActivities.add(pa.mPref.mComponent); 15937 } 15938 } 15939 } 15940 } 15941 } 15942 15943 return num; 15944 } 15945 15946 @Override 15947 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 15948 int userId) { 15949 int callingUid = Binder.getCallingUid(); 15950 if (callingUid != Process.SYSTEM_UID) { 15951 throw new SecurityException( 15952 "addPersistentPreferredActivity can only be run by the system"); 15953 } 15954 if (filter.countActions() == 0) { 15955 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 15956 return; 15957 } 15958 synchronized (mPackages) { 15959 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 15960 ":"); 15961 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 15962 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 15963 new PersistentPreferredActivity(filter, activity)); 15964 scheduleWritePackageRestrictionsLocked(userId); 15965 } 15966 } 15967 15968 @Override 15969 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 15970 int callingUid = Binder.getCallingUid(); 15971 if (callingUid != Process.SYSTEM_UID) { 15972 throw new SecurityException( 15973 "clearPackagePersistentPreferredActivities can only be run by the system"); 15974 } 15975 ArrayList<PersistentPreferredActivity> removed = null; 15976 boolean changed = false; 15977 synchronized (mPackages) { 15978 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 15979 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 15980 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 15981 .valueAt(i); 15982 if (userId != thisUserId) { 15983 continue; 15984 } 15985 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 15986 while (it.hasNext()) { 15987 PersistentPreferredActivity ppa = it.next(); 15988 // Mark entry for removal only if it matches the package name. 15989 if (ppa.mComponent.getPackageName().equals(packageName)) { 15990 if (removed == null) { 15991 removed = new ArrayList<PersistentPreferredActivity>(); 15992 } 15993 removed.add(ppa); 15994 } 15995 } 15996 if (removed != null) { 15997 for (int j=0; j<removed.size(); j++) { 15998 PersistentPreferredActivity ppa = removed.get(j); 15999 ppir.removeFilter(ppa); 16000 } 16001 changed = true; 16002 } 16003 } 16004 16005 if (changed) { 16006 scheduleWritePackageRestrictionsLocked(userId); 16007 } 16008 } 16009 } 16010 16011 /** 16012 * Common machinery for picking apart a restored XML blob and passing 16013 * it to a caller-supplied functor to be applied to the running system. 16014 */ 16015 private void restoreFromXml(XmlPullParser parser, int userId, 16016 String expectedStartTag, BlobXmlRestorer functor) 16017 throws IOException, XmlPullParserException { 16018 int type; 16019 while ((type = parser.next()) != XmlPullParser.START_TAG 16020 && type != XmlPullParser.END_DOCUMENT) { 16021 } 16022 if (type != XmlPullParser.START_TAG) { 16023 // oops didn't find a start tag?! 16024 if (DEBUG_BACKUP) { 16025 Slog.e(TAG, "Didn't find start tag during restore"); 16026 } 16027 return; 16028 } 16029Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 16030 // this is supposed to be TAG_PREFERRED_BACKUP 16031 if (!expectedStartTag.equals(parser.getName())) { 16032 if (DEBUG_BACKUP) { 16033 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 16034 } 16035 return; 16036 } 16037 16038 // skip interfering stuff, then we're aligned with the backing implementation 16039 while ((type = parser.next()) == XmlPullParser.TEXT) { } 16040Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 16041 functor.apply(parser, userId); 16042 } 16043 16044 private interface BlobXmlRestorer { 16045 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 16046 } 16047 16048 /** 16049 * Non-Binder method, support for the backup/restore mechanism: write the 16050 * full set of preferred activities in its canonical XML format. Returns the 16051 * XML output as a byte array, or null if there is none. 16052 */ 16053 @Override 16054 public byte[] getPreferredActivityBackup(int userId) { 16055 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16056 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 16057 } 16058 16059 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16060 try { 16061 final XmlSerializer serializer = new FastXmlSerializer(); 16062 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16063 serializer.startDocument(null, true); 16064 serializer.startTag(null, TAG_PREFERRED_BACKUP); 16065 16066 synchronized (mPackages) { 16067 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 16068 } 16069 16070 serializer.endTag(null, TAG_PREFERRED_BACKUP); 16071 serializer.endDocument(); 16072 serializer.flush(); 16073 } catch (Exception e) { 16074 if (DEBUG_BACKUP) { 16075 Slog.e(TAG, "Unable to write preferred activities for backup", e); 16076 } 16077 return null; 16078 } 16079 16080 return dataStream.toByteArray(); 16081 } 16082 16083 @Override 16084 public void restorePreferredActivities(byte[] backup, int userId) { 16085 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16086 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16087 } 16088 16089 try { 16090 final XmlPullParser parser = Xml.newPullParser(); 16091 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16092 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 16093 new BlobXmlRestorer() { 16094 @Override 16095 public void apply(XmlPullParser parser, int userId) 16096 throws XmlPullParserException, IOException { 16097 synchronized (mPackages) { 16098 mSettings.readPreferredActivitiesLPw(parser, userId); 16099 } 16100 } 16101 } ); 16102 } catch (Exception e) { 16103 if (DEBUG_BACKUP) { 16104 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16105 } 16106 } 16107 } 16108 16109 /** 16110 * Non-Binder method, support for the backup/restore mechanism: write the 16111 * default browser (etc) settings in its canonical XML format. Returns the default 16112 * browser XML representation as a byte array, or null if there is none. 16113 */ 16114 @Override 16115 public byte[] getDefaultAppsBackup(int userId) { 16116 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16117 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 16118 } 16119 16120 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16121 try { 16122 final XmlSerializer serializer = new FastXmlSerializer(); 16123 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16124 serializer.startDocument(null, true); 16125 serializer.startTag(null, TAG_DEFAULT_APPS); 16126 16127 synchronized (mPackages) { 16128 mSettings.writeDefaultAppsLPr(serializer, userId); 16129 } 16130 16131 serializer.endTag(null, TAG_DEFAULT_APPS); 16132 serializer.endDocument(); 16133 serializer.flush(); 16134 } catch (Exception e) { 16135 if (DEBUG_BACKUP) { 16136 Slog.e(TAG, "Unable to write default apps for backup", e); 16137 } 16138 return null; 16139 } 16140 16141 return dataStream.toByteArray(); 16142 } 16143 16144 @Override 16145 public void restoreDefaultApps(byte[] backup, int userId) { 16146 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16147 throw new SecurityException("Only the system may call restoreDefaultApps()"); 16148 } 16149 16150 try { 16151 final XmlPullParser parser = Xml.newPullParser(); 16152 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16153 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 16154 new BlobXmlRestorer() { 16155 @Override 16156 public void apply(XmlPullParser parser, int userId) 16157 throws XmlPullParserException, IOException { 16158 synchronized (mPackages) { 16159 mSettings.readDefaultAppsLPw(parser, userId); 16160 } 16161 } 16162 } ); 16163 } catch (Exception e) { 16164 if (DEBUG_BACKUP) { 16165 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 16166 } 16167 } 16168 } 16169 16170 @Override 16171 public byte[] getIntentFilterVerificationBackup(int userId) { 16172 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16173 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 16174 } 16175 16176 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16177 try { 16178 final XmlSerializer serializer = new FastXmlSerializer(); 16179 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16180 serializer.startDocument(null, true); 16181 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 16182 16183 synchronized (mPackages) { 16184 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 16185 } 16186 16187 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 16188 serializer.endDocument(); 16189 serializer.flush(); 16190 } catch (Exception e) { 16191 if (DEBUG_BACKUP) { 16192 Slog.e(TAG, "Unable to write default apps for backup", e); 16193 } 16194 return null; 16195 } 16196 16197 return dataStream.toByteArray(); 16198 } 16199 16200 @Override 16201 public void restoreIntentFilterVerification(byte[] backup, int userId) { 16202 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16203 throw new SecurityException("Only the system may call restorePreferredActivities()"); 16204 } 16205 16206 try { 16207 final XmlPullParser parser = Xml.newPullParser(); 16208 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16209 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 16210 new BlobXmlRestorer() { 16211 @Override 16212 public void apply(XmlPullParser parser, int userId) 16213 throws XmlPullParserException, IOException { 16214 synchronized (mPackages) { 16215 mSettings.readAllDomainVerificationsLPr(parser, userId); 16216 mSettings.writeLPr(); 16217 } 16218 } 16219 } ); 16220 } catch (Exception e) { 16221 if (DEBUG_BACKUP) { 16222 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16223 } 16224 } 16225 } 16226 16227 @Override 16228 public byte[] getPermissionGrantBackup(int userId) { 16229 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16230 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 16231 } 16232 16233 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 16234 try { 16235 final XmlSerializer serializer = new FastXmlSerializer(); 16236 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 16237 serializer.startDocument(null, true); 16238 serializer.startTag(null, TAG_PERMISSION_BACKUP); 16239 16240 synchronized (mPackages) { 16241 serializeRuntimePermissionGrantsLPr(serializer, userId); 16242 } 16243 16244 serializer.endTag(null, TAG_PERMISSION_BACKUP); 16245 serializer.endDocument(); 16246 serializer.flush(); 16247 } catch (Exception e) { 16248 if (DEBUG_BACKUP) { 16249 Slog.e(TAG, "Unable to write default apps for backup", e); 16250 } 16251 return null; 16252 } 16253 16254 return dataStream.toByteArray(); 16255 } 16256 16257 @Override 16258 public void restorePermissionGrants(byte[] backup, int userId) { 16259 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 16260 throw new SecurityException("Only the system may call restorePermissionGrants()"); 16261 } 16262 16263 try { 16264 final XmlPullParser parser = Xml.newPullParser(); 16265 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 16266 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 16267 new BlobXmlRestorer() { 16268 @Override 16269 public void apply(XmlPullParser parser, int userId) 16270 throws XmlPullParserException, IOException { 16271 synchronized (mPackages) { 16272 processRestoredPermissionGrantsLPr(parser, userId); 16273 } 16274 } 16275 } ); 16276 } catch (Exception e) { 16277 if (DEBUG_BACKUP) { 16278 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 16279 } 16280 } 16281 } 16282 16283 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 16284 throws IOException { 16285 serializer.startTag(null, TAG_ALL_GRANTS); 16286 16287 final int N = mSettings.mPackages.size(); 16288 for (int i = 0; i < N; i++) { 16289 final PackageSetting ps = mSettings.mPackages.valueAt(i); 16290 boolean pkgGrantsKnown = false; 16291 16292 PermissionsState packagePerms = ps.getPermissionsState(); 16293 16294 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 16295 final int grantFlags = state.getFlags(); 16296 // only look at grants that are not system/policy fixed 16297 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 16298 final boolean isGranted = state.isGranted(); 16299 // And only back up the user-twiddled state bits 16300 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 16301 final String packageName = mSettings.mPackages.keyAt(i); 16302 if (!pkgGrantsKnown) { 16303 serializer.startTag(null, TAG_GRANT); 16304 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 16305 pkgGrantsKnown = true; 16306 } 16307 16308 final boolean userSet = 16309 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 16310 final boolean userFixed = 16311 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 16312 final boolean revoke = 16313 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 16314 16315 serializer.startTag(null, TAG_PERMISSION); 16316 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 16317 if (isGranted) { 16318 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 16319 } 16320 if (userSet) { 16321 serializer.attribute(null, ATTR_USER_SET, "true"); 16322 } 16323 if (userFixed) { 16324 serializer.attribute(null, ATTR_USER_FIXED, "true"); 16325 } 16326 if (revoke) { 16327 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 16328 } 16329 serializer.endTag(null, TAG_PERMISSION); 16330 } 16331 } 16332 } 16333 16334 if (pkgGrantsKnown) { 16335 serializer.endTag(null, TAG_GRANT); 16336 } 16337 } 16338 16339 serializer.endTag(null, TAG_ALL_GRANTS); 16340 } 16341 16342 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 16343 throws XmlPullParserException, IOException { 16344 String pkgName = null; 16345 int outerDepth = parser.getDepth(); 16346 int type; 16347 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 16348 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 16349 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 16350 continue; 16351 } 16352 16353 final String tagName = parser.getName(); 16354 if (tagName.equals(TAG_GRANT)) { 16355 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 16356 if (DEBUG_BACKUP) { 16357 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 16358 } 16359 } else if (tagName.equals(TAG_PERMISSION)) { 16360 16361 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 16362 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 16363 16364 int newFlagSet = 0; 16365 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 16366 newFlagSet |= FLAG_PERMISSION_USER_SET; 16367 } 16368 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 16369 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 16370 } 16371 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 16372 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 16373 } 16374 if (DEBUG_BACKUP) { 16375 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 16376 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 16377 } 16378 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16379 if (ps != null) { 16380 // Already installed so we apply the grant immediately 16381 if (DEBUG_BACKUP) { 16382 Slog.v(TAG, " + already installed; applying"); 16383 } 16384 PermissionsState perms = ps.getPermissionsState(); 16385 BasePermission bp = mSettings.mPermissions.get(permName); 16386 if (bp != null) { 16387 if (isGranted) { 16388 perms.grantRuntimePermission(bp, userId); 16389 } 16390 if (newFlagSet != 0) { 16391 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 16392 } 16393 } 16394 } else { 16395 // Need to wait for post-restore install to apply the grant 16396 if (DEBUG_BACKUP) { 16397 Slog.v(TAG, " - not yet installed; saving for later"); 16398 } 16399 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 16400 isGranted, newFlagSet, userId); 16401 } 16402 } else { 16403 PackageManagerService.reportSettingsProblem(Log.WARN, 16404 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 16405 XmlUtils.skipCurrentTag(parser); 16406 } 16407 } 16408 16409 scheduleWriteSettingsLocked(); 16410 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 16411 } 16412 16413 @Override 16414 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 16415 int sourceUserId, int targetUserId, int flags) { 16416 mContext.enforceCallingOrSelfPermission( 16417 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16418 int callingUid = Binder.getCallingUid(); 16419 enforceOwnerRights(ownerPackage, callingUid); 16420 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16421 if (intentFilter.countActions() == 0) { 16422 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 16423 return; 16424 } 16425 synchronized (mPackages) { 16426 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 16427 ownerPackage, targetUserId, flags); 16428 CrossProfileIntentResolver resolver = 16429 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16430 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 16431 // We have all those whose filter is equal. Now checking if the rest is equal as well. 16432 if (existing != null) { 16433 int size = existing.size(); 16434 for (int i = 0; i < size; i++) { 16435 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 16436 return; 16437 } 16438 } 16439 } 16440 resolver.addFilter(newFilter); 16441 scheduleWritePackageRestrictionsLocked(sourceUserId); 16442 } 16443 } 16444 16445 @Override 16446 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 16447 mContext.enforceCallingOrSelfPermission( 16448 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 16449 int callingUid = Binder.getCallingUid(); 16450 enforceOwnerRights(ownerPackage, callingUid); 16451 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 16452 synchronized (mPackages) { 16453 CrossProfileIntentResolver resolver = 16454 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 16455 ArraySet<CrossProfileIntentFilter> set = 16456 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 16457 for (CrossProfileIntentFilter filter : set) { 16458 if (filter.getOwnerPackage().equals(ownerPackage)) { 16459 resolver.removeFilter(filter); 16460 } 16461 } 16462 scheduleWritePackageRestrictionsLocked(sourceUserId); 16463 } 16464 } 16465 16466 // Enforcing that callingUid is owning pkg on userId 16467 private void enforceOwnerRights(String pkg, int callingUid) { 16468 // The system owns everything. 16469 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16470 return; 16471 } 16472 int callingUserId = UserHandle.getUserId(callingUid); 16473 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 16474 if (pi == null) { 16475 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 16476 + callingUserId); 16477 } 16478 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 16479 throw new SecurityException("Calling uid " + callingUid 16480 + " does not own package " + pkg); 16481 } 16482 } 16483 16484 @Override 16485 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 16486 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 16487 } 16488 16489 private Intent getHomeIntent() { 16490 Intent intent = new Intent(Intent.ACTION_MAIN); 16491 intent.addCategory(Intent.CATEGORY_HOME); 16492 return intent; 16493 } 16494 16495 private IntentFilter getHomeFilter() { 16496 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 16497 filter.addCategory(Intent.CATEGORY_HOME); 16498 filter.addCategory(Intent.CATEGORY_DEFAULT); 16499 return filter; 16500 } 16501 16502 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 16503 int userId) { 16504 Intent intent = getHomeIntent(); 16505 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 16506 PackageManager.GET_META_DATA, userId); 16507 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 16508 true, false, false, userId); 16509 16510 allHomeCandidates.clear(); 16511 if (list != null) { 16512 for (ResolveInfo ri : list) { 16513 allHomeCandidates.add(ri); 16514 } 16515 } 16516 return (preferred == null || preferred.activityInfo == null) 16517 ? null 16518 : new ComponentName(preferred.activityInfo.packageName, 16519 preferred.activityInfo.name); 16520 } 16521 16522 @Override 16523 public void setHomeActivity(ComponentName comp, int userId) { 16524 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 16525 getHomeActivitiesAsUser(homeActivities, userId); 16526 16527 boolean found = false; 16528 16529 final int size = homeActivities.size(); 16530 final ComponentName[] set = new ComponentName[size]; 16531 for (int i = 0; i < size; i++) { 16532 final ResolveInfo candidate = homeActivities.get(i); 16533 final ActivityInfo info = candidate.activityInfo; 16534 final ComponentName activityName = new ComponentName(info.packageName, info.name); 16535 set[i] = activityName; 16536 if (!found && activityName.equals(comp)) { 16537 found = true; 16538 } 16539 } 16540 if (!found) { 16541 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 16542 + userId); 16543 } 16544 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 16545 set, comp, userId); 16546 } 16547 16548 @Override 16549 public void setApplicationEnabledSetting(String appPackageName, 16550 int newState, int flags, int userId, String callingPackage) { 16551 if (!sUserManager.exists(userId)) return; 16552 if (callingPackage == null) { 16553 callingPackage = Integer.toString(Binder.getCallingUid()); 16554 } 16555 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 16556 } 16557 16558 @Override 16559 public void setComponentEnabledSetting(ComponentName componentName, 16560 int newState, int flags, int userId) { 16561 if (!sUserManager.exists(userId)) return; 16562 setEnabledSetting(componentName.getPackageName(), 16563 componentName.getClassName(), newState, flags, userId, null); 16564 } 16565 16566 private void setEnabledSetting(final String packageName, String className, int newState, 16567 final int flags, int userId, String callingPackage) { 16568 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 16569 || newState == COMPONENT_ENABLED_STATE_ENABLED 16570 || newState == COMPONENT_ENABLED_STATE_DISABLED 16571 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 16572 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 16573 throw new IllegalArgumentException("Invalid new component state: " 16574 + newState); 16575 } 16576 PackageSetting pkgSetting; 16577 final int uid = Binder.getCallingUid(); 16578 final int permission = mContext.checkCallingOrSelfPermission( 16579 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16580 enforceCrossUserPermission(uid, userId, 16581 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 16582 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16583 boolean sendNow = false; 16584 boolean isApp = (className == null); 16585 String componentName = isApp ? packageName : className; 16586 int packageUid = -1; 16587 ArrayList<String> components; 16588 16589 // writer 16590 synchronized (mPackages) { 16591 pkgSetting = mSettings.mPackages.get(packageName); 16592 if (pkgSetting == null) { 16593 if (className == null) { 16594 throw new IllegalArgumentException("Unknown package: " + packageName); 16595 } 16596 throw new IllegalArgumentException( 16597 "Unknown component: " + packageName + "/" + className); 16598 } 16599 // Allow root and verify that userId is not being specified by a different user 16600 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 16601 throw new SecurityException( 16602 "Permission Denial: attempt to change component state from pid=" 16603 + Binder.getCallingPid() 16604 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 16605 } 16606 if (className == null) { 16607 // We're dealing with an application/package level state change 16608 if (pkgSetting.getEnabled(userId) == newState) { 16609 // Nothing to do 16610 return; 16611 } 16612 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 16613 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 16614 // Don't care about who enables an app. 16615 callingPackage = null; 16616 } 16617 pkgSetting.setEnabled(newState, userId, callingPackage); 16618 // pkgSetting.pkg.mSetEnabled = newState; 16619 } else { 16620 // We're dealing with a component level state change 16621 // First, verify that this is a valid class name. 16622 PackageParser.Package pkg = pkgSetting.pkg; 16623 if (pkg == null || !pkg.hasComponentClassName(className)) { 16624 if (pkg != null && 16625 pkg.applicationInfo.targetSdkVersion >= 16626 Build.VERSION_CODES.JELLY_BEAN) { 16627 throw new IllegalArgumentException("Component class " + className 16628 + " does not exist in " + packageName); 16629 } else { 16630 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 16631 + className + " does not exist in " + packageName); 16632 } 16633 } 16634 switch (newState) { 16635 case COMPONENT_ENABLED_STATE_ENABLED: 16636 if (!pkgSetting.enableComponentLPw(className, userId)) { 16637 return; 16638 } 16639 break; 16640 case COMPONENT_ENABLED_STATE_DISABLED: 16641 if (!pkgSetting.disableComponentLPw(className, userId)) { 16642 return; 16643 } 16644 break; 16645 case COMPONENT_ENABLED_STATE_DEFAULT: 16646 if (!pkgSetting.restoreComponentLPw(className, userId)) { 16647 return; 16648 } 16649 break; 16650 default: 16651 Slog.e(TAG, "Invalid new component state: " + newState); 16652 return; 16653 } 16654 } 16655 scheduleWritePackageRestrictionsLocked(userId); 16656 components = mPendingBroadcasts.get(userId, packageName); 16657 final boolean newPackage = components == null; 16658 if (newPackage) { 16659 components = new ArrayList<String>(); 16660 } 16661 if (!components.contains(componentName)) { 16662 components.add(componentName); 16663 } 16664 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 16665 sendNow = true; 16666 // Purge entry from pending broadcast list if another one exists already 16667 // since we are sending one right away. 16668 mPendingBroadcasts.remove(userId, packageName); 16669 } else { 16670 if (newPackage) { 16671 mPendingBroadcasts.put(userId, packageName, components); 16672 } 16673 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 16674 // Schedule a message 16675 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 16676 } 16677 } 16678 } 16679 16680 long callingId = Binder.clearCallingIdentity(); 16681 try { 16682 if (sendNow) { 16683 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 16684 sendPackageChangedBroadcast(packageName, 16685 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 16686 } 16687 } finally { 16688 Binder.restoreCallingIdentity(callingId); 16689 } 16690 } 16691 16692 @Override 16693 public void flushPackageRestrictionsAsUser(int userId) { 16694 if (!sUserManager.exists(userId)) { 16695 return; 16696 } 16697 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 16698 false /* checkShell */, "flushPackageRestrictions"); 16699 synchronized (mPackages) { 16700 mSettings.writePackageRestrictionsLPr(userId); 16701 mDirtyUsers.remove(userId); 16702 if (mDirtyUsers.isEmpty()) { 16703 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 16704 } 16705 } 16706 } 16707 16708 private void sendPackageChangedBroadcast(String packageName, 16709 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 16710 if (DEBUG_INSTALL) 16711 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 16712 + componentNames); 16713 Bundle extras = new Bundle(4); 16714 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 16715 String nameList[] = new String[componentNames.size()]; 16716 componentNames.toArray(nameList); 16717 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 16718 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 16719 extras.putInt(Intent.EXTRA_UID, packageUid); 16720 // If this is not reporting a change of the overall package, then only send it 16721 // to registered receivers. We don't want to launch a swath of apps for every 16722 // little component state change. 16723 final int flags = !componentNames.contains(packageName) 16724 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 16725 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 16726 new int[] {UserHandle.getUserId(packageUid)}); 16727 } 16728 16729 @Override 16730 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 16731 if (!sUserManager.exists(userId)) return; 16732 final int uid = Binder.getCallingUid(); 16733 final int permission = mContext.checkCallingOrSelfPermission( 16734 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 16735 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 16736 enforceCrossUserPermission(uid, userId, 16737 true /* requireFullPermission */, true /* checkShell */, "stop package"); 16738 // writer 16739 synchronized (mPackages) { 16740 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 16741 allowedByPermission, uid, userId)) { 16742 scheduleWritePackageRestrictionsLocked(userId); 16743 } 16744 } 16745 } 16746 16747 @Override 16748 public String getInstallerPackageName(String packageName) { 16749 // reader 16750 synchronized (mPackages) { 16751 return mSettings.getInstallerPackageNameLPr(packageName); 16752 } 16753 } 16754 16755 @Override 16756 public int getApplicationEnabledSetting(String packageName, int userId) { 16757 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16758 int uid = Binder.getCallingUid(); 16759 enforceCrossUserPermission(uid, userId, 16760 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 16761 // reader 16762 synchronized (mPackages) { 16763 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 16764 } 16765 } 16766 16767 @Override 16768 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 16769 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 16770 int uid = Binder.getCallingUid(); 16771 enforceCrossUserPermission(uid, userId, 16772 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 16773 // reader 16774 synchronized (mPackages) { 16775 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 16776 } 16777 } 16778 16779 @Override 16780 public void enterSafeMode() { 16781 enforceSystemOrRoot("Only the system can request entering safe mode"); 16782 16783 if (!mSystemReady) { 16784 mSafeMode = true; 16785 } 16786 } 16787 16788 @Override 16789 public void systemReady() { 16790 mSystemReady = true; 16791 16792 // Read the compatibilty setting when the system is ready. 16793 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 16794 mContext.getContentResolver(), 16795 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 16796 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 16797 if (DEBUG_SETTINGS) { 16798 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 16799 } 16800 16801 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 16802 16803 synchronized (mPackages) { 16804 // Verify that all of the preferred activity components actually 16805 // exist. It is possible for applications to be updated and at 16806 // that point remove a previously declared activity component that 16807 // had been set as a preferred activity. We try to clean this up 16808 // the next time we encounter that preferred activity, but it is 16809 // possible for the user flow to never be able to return to that 16810 // situation so here we do a sanity check to make sure we haven't 16811 // left any junk around. 16812 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 16813 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 16814 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 16815 removed.clear(); 16816 for (PreferredActivity pa : pir.filterSet()) { 16817 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 16818 removed.add(pa); 16819 } 16820 } 16821 if (removed.size() > 0) { 16822 for (int r=0; r<removed.size(); r++) { 16823 PreferredActivity pa = removed.get(r); 16824 Slog.w(TAG, "Removing dangling preferred activity: " 16825 + pa.mPref.mComponent); 16826 pir.removeFilter(pa); 16827 } 16828 mSettings.writePackageRestrictionsLPr( 16829 mSettings.mPreferredActivities.keyAt(i)); 16830 } 16831 } 16832 16833 for (int userId : UserManagerService.getInstance().getUserIds()) { 16834 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 16835 grantPermissionsUserIds = ArrayUtils.appendInt( 16836 grantPermissionsUserIds, userId); 16837 } 16838 } 16839 } 16840 sUserManager.systemReady(); 16841 16842 // If we upgraded grant all default permissions before kicking off. 16843 for (int userId : grantPermissionsUserIds) { 16844 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 16845 } 16846 16847 // Kick off any messages waiting for system ready 16848 if (mPostSystemReadyMessages != null) { 16849 for (Message msg : mPostSystemReadyMessages) { 16850 msg.sendToTarget(); 16851 } 16852 mPostSystemReadyMessages = null; 16853 } 16854 16855 // Watch for external volumes that come and go over time 16856 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16857 storage.registerListener(mStorageListener); 16858 16859 mInstallerService.systemReady(); 16860 mPackageDexOptimizer.systemReady(); 16861 16862 MountServiceInternal mountServiceInternal = LocalServices.getService( 16863 MountServiceInternal.class); 16864 mountServiceInternal.addExternalStoragePolicy( 16865 new MountServiceInternal.ExternalStorageMountPolicy() { 16866 @Override 16867 public int getMountMode(int uid, String packageName) { 16868 if (Process.isIsolated(uid)) { 16869 return Zygote.MOUNT_EXTERNAL_NONE; 16870 } 16871 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 16872 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16873 } 16874 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16875 return Zygote.MOUNT_EXTERNAL_DEFAULT; 16876 } 16877 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 16878 return Zygote.MOUNT_EXTERNAL_READ; 16879 } 16880 return Zygote.MOUNT_EXTERNAL_WRITE; 16881 } 16882 16883 @Override 16884 public boolean hasExternalStorage(int uid, String packageName) { 16885 return true; 16886 } 16887 }); 16888 } 16889 16890 @Override 16891 public boolean isSafeMode() { 16892 return mSafeMode; 16893 } 16894 16895 @Override 16896 public boolean hasSystemUidErrors() { 16897 return mHasSystemUidErrors; 16898 } 16899 16900 static String arrayToString(int[] array) { 16901 StringBuffer buf = new StringBuffer(128); 16902 buf.append('['); 16903 if (array != null) { 16904 for (int i=0; i<array.length; i++) { 16905 if (i > 0) buf.append(", "); 16906 buf.append(array[i]); 16907 } 16908 } 16909 buf.append(']'); 16910 return buf.toString(); 16911 } 16912 16913 static class DumpState { 16914 public static final int DUMP_LIBS = 1 << 0; 16915 public static final int DUMP_FEATURES = 1 << 1; 16916 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 16917 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 16918 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 16919 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 16920 public static final int DUMP_PERMISSIONS = 1 << 6; 16921 public static final int DUMP_PACKAGES = 1 << 7; 16922 public static final int DUMP_SHARED_USERS = 1 << 8; 16923 public static final int DUMP_MESSAGES = 1 << 9; 16924 public static final int DUMP_PROVIDERS = 1 << 10; 16925 public static final int DUMP_VERIFIERS = 1 << 11; 16926 public static final int DUMP_PREFERRED = 1 << 12; 16927 public static final int DUMP_PREFERRED_XML = 1 << 13; 16928 public static final int DUMP_KEYSETS = 1 << 14; 16929 public static final int DUMP_VERSION = 1 << 15; 16930 public static final int DUMP_INSTALLS = 1 << 16; 16931 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 16932 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 16933 16934 public static final int OPTION_SHOW_FILTERS = 1 << 0; 16935 16936 private int mTypes; 16937 16938 private int mOptions; 16939 16940 private boolean mTitlePrinted; 16941 16942 private SharedUserSetting mSharedUser; 16943 16944 public boolean isDumping(int type) { 16945 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 16946 return true; 16947 } 16948 16949 return (mTypes & type) != 0; 16950 } 16951 16952 public void setDump(int type) { 16953 mTypes |= type; 16954 } 16955 16956 public boolean isOptionEnabled(int option) { 16957 return (mOptions & option) != 0; 16958 } 16959 16960 public void setOptionEnabled(int option) { 16961 mOptions |= option; 16962 } 16963 16964 public boolean onTitlePrinted() { 16965 final boolean printed = mTitlePrinted; 16966 mTitlePrinted = true; 16967 return printed; 16968 } 16969 16970 public boolean getTitlePrinted() { 16971 return mTitlePrinted; 16972 } 16973 16974 public void setTitlePrinted(boolean enabled) { 16975 mTitlePrinted = enabled; 16976 } 16977 16978 public SharedUserSetting getSharedUser() { 16979 return mSharedUser; 16980 } 16981 16982 public void setSharedUser(SharedUserSetting user) { 16983 mSharedUser = user; 16984 } 16985 } 16986 16987 @Override 16988 public void onShellCommand(FileDescriptor in, FileDescriptor out, 16989 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 16990 (new PackageManagerShellCommand(this)).exec( 16991 this, in, out, err, args, resultReceiver); 16992 } 16993 16994 @Override 16995 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 16996 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 16997 != PackageManager.PERMISSION_GRANTED) { 16998 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 16999 + Binder.getCallingPid() 17000 + ", uid=" + Binder.getCallingUid() 17001 + " without permission " 17002 + android.Manifest.permission.DUMP); 17003 return; 17004 } 17005 17006 DumpState dumpState = new DumpState(); 17007 boolean fullPreferred = false; 17008 boolean checkin = false; 17009 17010 String packageName = null; 17011 ArraySet<String> permissionNames = null; 17012 17013 int opti = 0; 17014 while (opti < args.length) { 17015 String opt = args[opti]; 17016 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 17017 break; 17018 } 17019 opti++; 17020 17021 if ("-a".equals(opt)) { 17022 // Right now we only know how to print all. 17023 } else if ("-h".equals(opt)) { 17024 pw.println("Package manager dump options:"); 17025 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 17026 pw.println(" --checkin: dump for a checkin"); 17027 pw.println(" -f: print details of intent filters"); 17028 pw.println(" -h: print this help"); 17029 pw.println(" cmd may be one of:"); 17030 pw.println(" l[ibraries]: list known shared libraries"); 17031 pw.println(" f[eatures]: list device features"); 17032 pw.println(" k[eysets]: print known keysets"); 17033 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 17034 pw.println(" perm[issions]: dump permissions"); 17035 pw.println(" permission [name ...]: dump declaration and use of given permission"); 17036 pw.println(" pref[erred]: print preferred package settings"); 17037 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 17038 pw.println(" prov[iders]: dump content providers"); 17039 pw.println(" p[ackages]: dump installed packages"); 17040 pw.println(" s[hared-users]: dump shared user IDs"); 17041 pw.println(" m[essages]: print collected runtime messages"); 17042 pw.println(" v[erifiers]: print package verifier info"); 17043 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 17044 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 17045 pw.println(" version: print database version info"); 17046 pw.println(" write: write current settings now"); 17047 pw.println(" installs: details about install sessions"); 17048 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 17049 pw.println(" <package.name>: info about given package"); 17050 return; 17051 } else if ("--checkin".equals(opt)) { 17052 checkin = true; 17053 } else if ("-f".equals(opt)) { 17054 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17055 } else { 17056 pw.println("Unknown argument: " + opt + "; use -h for help"); 17057 } 17058 } 17059 17060 // Is the caller requesting to dump a particular piece of data? 17061 if (opti < args.length) { 17062 String cmd = args[opti]; 17063 opti++; 17064 // Is this a package name? 17065 if ("android".equals(cmd) || cmd.contains(".")) { 17066 packageName = cmd; 17067 // When dumping a single package, we always dump all of its 17068 // filter information since the amount of data will be reasonable. 17069 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 17070 } else if ("check-permission".equals(cmd)) { 17071 if (opti >= args.length) { 17072 pw.println("Error: check-permission missing permission argument"); 17073 return; 17074 } 17075 String perm = args[opti]; 17076 opti++; 17077 if (opti >= args.length) { 17078 pw.println("Error: check-permission missing package argument"); 17079 return; 17080 } 17081 String pkg = args[opti]; 17082 opti++; 17083 int user = UserHandle.getUserId(Binder.getCallingUid()); 17084 if (opti < args.length) { 17085 try { 17086 user = Integer.parseInt(args[opti]); 17087 } catch (NumberFormatException e) { 17088 pw.println("Error: check-permission user argument is not a number: " 17089 + args[opti]); 17090 return; 17091 } 17092 } 17093 pw.println(checkPermission(perm, pkg, user)); 17094 return; 17095 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 17096 dumpState.setDump(DumpState.DUMP_LIBS); 17097 } else if ("f".equals(cmd) || "features".equals(cmd)) { 17098 dumpState.setDump(DumpState.DUMP_FEATURES); 17099 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 17100 if (opti >= args.length) { 17101 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 17102 | DumpState.DUMP_SERVICE_RESOLVERS 17103 | DumpState.DUMP_RECEIVER_RESOLVERS 17104 | DumpState.DUMP_CONTENT_RESOLVERS); 17105 } else { 17106 while (opti < args.length) { 17107 String name = args[opti]; 17108 if ("a".equals(name) || "activity".equals(name)) { 17109 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 17110 } else if ("s".equals(name) || "service".equals(name)) { 17111 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 17112 } else if ("r".equals(name) || "receiver".equals(name)) { 17113 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 17114 } else if ("c".equals(name) || "content".equals(name)) { 17115 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 17116 } else { 17117 pw.println("Error: unknown resolver table type: " + name); 17118 return; 17119 } 17120 opti++; 17121 } 17122 } 17123 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 17124 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 17125 } else if ("permission".equals(cmd)) { 17126 if (opti >= args.length) { 17127 pw.println("Error: permission requires permission name"); 17128 return; 17129 } 17130 permissionNames = new ArraySet<>(); 17131 while (opti < args.length) { 17132 permissionNames.add(args[opti]); 17133 opti++; 17134 } 17135 dumpState.setDump(DumpState.DUMP_PERMISSIONS 17136 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 17137 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 17138 dumpState.setDump(DumpState.DUMP_PREFERRED); 17139 } else if ("preferred-xml".equals(cmd)) { 17140 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 17141 if (opti < args.length && "--full".equals(args[opti])) { 17142 fullPreferred = true; 17143 opti++; 17144 } 17145 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 17146 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 17147 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 17148 dumpState.setDump(DumpState.DUMP_PACKAGES); 17149 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 17150 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 17151 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 17152 dumpState.setDump(DumpState.DUMP_PROVIDERS); 17153 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 17154 dumpState.setDump(DumpState.DUMP_MESSAGES); 17155 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 17156 dumpState.setDump(DumpState.DUMP_VERIFIERS); 17157 } else if ("i".equals(cmd) || "ifv".equals(cmd) 17158 || "intent-filter-verifiers".equals(cmd)) { 17159 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 17160 } else if ("version".equals(cmd)) { 17161 dumpState.setDump(DumpState.DUMP_VERSION); 17162 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 17163 dumpState.setDump(DumpState.DUMP_KEYSETS); 17164 } else if ("installs".equals(cmd)) { 17165 dumpState.setDump(DumpState.DUMP_INSTALLS); 17166 } else if ("write".equals(cmd)) { 17167 synchronized (mPackages) { 17168 mSettings.writeLPr(); 17169 pw.println("Settings written."); 17170 return; 17171 } 17172 } 17173 } 17174 17175 if (checkin) { 17176 pw.println("vers,1"); 17177 } 17178 17179 // reader 17180 synchronized (mPackages) { 17181 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 17182 if (!checkin) { 17183 if (dumpState.onTitlePrinted()) 17184 pw.println(); 17185 pw.println("Database versions:"); 17186 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 17187 } 17188 } 17189 17190 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 17191 if (!checkin) { 17192 if (dumpState.onTitlePrinted()) 17193 pw.println(); 17194 pw.println("Verifiers:"); 17195 pw.print(" Required: "); 17196 pw.print(mRequiredVerifierPackage); 17197 pw.print(" (uid="); 17198 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17199 UserHandle.USER_SYSTEM)); 17200 pw.println(")"); 17201 } else if (mRequiredVerifierPackage != null) { 17202 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 17203 pw.print(","); 17204 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 17205 UserHandle.USER_SYSTEM)); 17206 } 17207 } 17208 17209 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 17210 packageName == null) { 17211 if (mIntentFilterVerifierComponent != null) { 17212 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 17213 if (!checkin) { 17214 if (dumpState.onTitlePrinted()) 17215 pw.println(); 17216 pw.println("Intent Filter Verifier:"); 17217 pw.print(" Using: "); 17218 pw.print(verifierPackageName); 17219 pw.print(" (uid="); 17220 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17221 UserHandle.USER_SYSTEM)); 17222 pw.println(")"); 17223 } else if (verifierPackageName != null) { 17224 pw.print("ifv,"); pw.print(verifierPackageName); 17225 pw.print(","); 17226 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 17227 UserHandle.USER_SYSTEM)); 17228 } 17229 } else { 17230 pw.println(); 17231 pw.println("No Intent Filter Verifier available!"); 17232 } 17233 } 17234 17235 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 17236 boolean printedHeader = false; 17237 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 17238 while (it.hasNext()) { 17239 String name = it.next(); 17240 SharedLibraryEntry ent = mSharedLibraries.get(name); 17241 if (!checkin) { 17242 if (!printedHeader) { 17243 if (dumpState.onTitlePrinted()) 17244 pw.println(); 17245 pw.println("Libraries:"); 17246 printedHeader = true; 17247 } 17248 pw.print(" "); 17249 } else { 17250 pw.print("lib,"); 17251 } 17252 pw.print(name); 17253 if (!checkin) { 17254 pw.print(" -> "); 17255 } 17256 if (ent.path != null) { 17257 if (!checkin) { 17258 pw.print("(jar) "); 17259 pw.print(ent.path); 17260 } else { 17261 pw.print(",jar,"); 17262 pw.print(ent.path); 17263 } 17264 } else { 17265 if (!checkin) { 17266 pw.print("(apk) "); 17267 pw.print(ent.apk); 17268 } else { 17269 pw.print(",apk,"); 17270 pw.print(ent.apk); 17271 } 17272 } 17273 pw.println(); 17274 } 17275 } 17276 17277 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 17278 if (dumpState.onTitlePrinted()) 17279 pw.println(); 17280 if (!checkin) { 17281 pw.println("Features:"); 17282 } 17283 17284 for (FeatureInfo feat : mAvailableFeatures.values()) { 17285 if (checkin) { 17286 pw.print("feat,"); 17287 pw.print(feat.name); 17288 pw.print(","); 17289 pw.println(feat.version); 17290 } else { 17291 pw.print(" "); 17292 pw.print(feat.name); 17293 if (feat.version > 0) { 17294 pw.print(" version="); 17295 pw.print(feat.version); 17296 } 17297 pw.println(); 17298 } 17299 } 17300 } 17301 17302 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 17303 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 17304 : "Activity Resolver Table:", " ", packageName, 17305 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17306 dumpState.setTitlePrinted(true); 17307 } 17308 } 17309 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 17310 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 17311 : "Receiver Resolver Table:", " ", packageName, 17312 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17313 dumpState.setTitlePrinted(true); 17314 } 17315 } 17316 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 17317 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 17318 : "Service Resolver Table:", " ", packageName, 17319 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17320 dumpState.setTitlePrinted(true); 17321 } 17322 } 17323 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 17324 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 17325 : "Provider Resolver Table:", " ", packageName, 17326 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 17327 dumpState.setTitlePrinted(true); 17328 } 17329 } 17330 17331 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 17332 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 17333 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 17334 int user = mSettings.mPreferredActivities.keyAt(i); 17335 if (pir.dump(pw, 17336 dumpState.getTitlePrinted() 17337 ? "\nPreferred Activities User " + user + ":" 17338 : "Preferred Activities User " + user + ":", " ", 17339 packageName, true, false)) { 17340 dumpState.setTitlePrinted(true); 17341 } 17342 } 17343 } 17344 17345 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 17346 pw.flush(); 17347 FileOutputStream fout = new FileOutputStream(fd); 17348 BufferedOutputStream str = new BufferedOutputStream(fout); 17349 XmlSerializer serializer = new FastXmlSerializer(); 17350 try { 17351 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 17352 serializer.startDocument(null, true); 17353 serializer.setFeature( 17354 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 17355 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 17356 serializer.endDocument(); 17357 serializer.flush(); 17358 } catch (IllegalArgumentException e) { 17359 pw.println("Failed writing: " + e); 17360 } catch (IllegalStateException e) { 17361 pw.println("Failed writing: " + e); 17362 } catch (IOException e) { 17363 pw.println("Failed writing: " + e); 17364 } 17365 } 17366 17367 if (!checkin 17368 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 17369 && packageName == null) { 17370 pw.println(); 17371 int count = mSettings.mPackages.size(); 17372 if (count == 0) { 17373 pw.println("No applications!"); 17374 pw.println(); 17375 } else { 17376 final String prefix = " "; 17377 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 17378 if (allPackageSettings.size() == 0) { 17379 pw.println("No domain preferred apps!"); 17380 pw.println(); 17381 } else { 17382 pw.println("App verification status:"); 17383 pw.println(); 17384 count = 0; 17385 for (PackageSetting ps : allPackageSettings) { 17386 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 17387 if (ivi == null || ivi.getPackageName() == null) continue; 17388 pw.println(prefix + "Package: " + ivi.getPackageName()); 17389 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 17390 pw.println(prefix + "Status: " + ivi.getStatusString()); 17391 pw.println(); 17392 count++; 17393 } 17394 if (count == 0) { 17395 pw.println(prefix + "No app verification established."); 17396 pw.println(); 17397 } 17398 for (int userId : sUserManager.getUserIds()) { 17399 pw.println("App linkages for user " + userId + ":"); 17400 pw.println(); 17401 count = 0; 17402 for (PackageSetting ps : allPackageSettings) { 17403 final long status = ps.getDomainVerificationStatusForUser(userId); 17404 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 17405 continue; 17406 } 17407 pw.println(prefix + "Package: " + ps.name); 17408 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 17409 String statusStr = IntentFilterVerificationInfo. 17410 getStatusStringFromValue(status); 17411 pw.println(prefix + "Status: " + statusStr); 17412 pw.println(); 17413 count++; 17414 } 17415 if (count == 0) { 17416 pw.println(prefix + "No configured app linkages."); 17417 pw.println(); 17418 } 17419 } 17420 } 17421 } 17422 } 17423 17424 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 17425 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 17426 if (packageName == null && permissionNames == null) { 17427 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 17428 if (iperm == 0) { 17429 if (dumpState.onTitlePrinted()) 17430 pw.println(); 17431 pw.println("AppOp Permissions:"); 17432 } 17433 pw.print(" AppOp Permission "); 17434 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 17435 pw.println(":"); 17436 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 17437 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 17438 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 17439 } 17440 } 17441 } 17442 } 17443 17444 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 17445 boolean printedSomething = false; 17446 for (PackageParser.Provider p : mProviders.mProviders.values()) { 17447 if (packageName != null && !packageName.equals(p.info.packageName)) { 17448 continue; 17449 } 17450 if (!printedSomething) { 17451 if (dumpState.onTitlePrinted()) 17452 pw.println(); 17453 pw.println("Registered ContentProviders:"); 17454 printedSomething = true; 17455 } 17456 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 17457 pw.print(" "); pw.println(p.toString()); 17458 } 17459 printedSomething = false; 17460 for (Map.Entry<String, PackageParser.Provider> entry : 17461 mProvidersByAuthority.entrySet()) { 17462 PackageParser.Provider p = entry.getValue(); 17463 if (packageName != null && !packageName.equals(p.info.packageName)) { 17464 continue; 17465 } 17466 if (!printedSomething) { 17467 if (dumpState.onTitlePrinted()) 17468 pw.println(); 17469 pw.println("ContentProvider Authorities:"); 17470 printedSomething = true; 17471 } 17472 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 17473 pw.print(" "); pw.println(p.toString()); 17474 if (p.info != null && p.info.applicationInfo != null) { 17475 final String appInfo = p.info.applicationInfo.toString(); 17476 pw.print(" applicationInfo="); pw.println(appInfo); 17477 } 17478 } 17479 } 17480 17481 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 17482 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 17483 } 17484 17485 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 17486 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 17487 } 17488 17489 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 17490 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 17491 } 17492 17493 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 17494 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 17495 } 17496 17497 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 17498 // XXX should handle packageName != null by dumping only install data that 17499 // the given package is involved with. 17500 if (dumpState.onTitlePrinted()) pw.println(); 17501 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 17502 } 17503 17504 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 17505 if (dumpState.onTitlePrinted()) pw.println(); 17506 mSettings.dumpReadMessagesLPr(pw, dumpState); 17507 17508 pw.println(); 17509 pw.println("Package warning messages:"); 17510 BufferedReader in = null; 17511 String line = null; 17512 try { 17513 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17514 while ((line = in.readLine()) != null) { 17515 if (line.contains("ignored: updated version")) continue; 17516 pw.println(line); 17517 } 17518 } catch (IOException ignored) { 17519 } finally { 17520 IoUtils.closeQuietly(in); 17521 } 17522 } 17523 17524 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 17525 BufferedReader in = null; 17526 String line = null; 17527 try { 17528 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 17529 while ((line = in.readLine()) != null) { 17530 if (line.contains("ignored: updated version")) continue; 17531 pw.print("msg,"); 17532 pw.println(line); 17533 } 17534 } catch (IOException ignored) { 17535 } finally { 17536 IoUtils.closeQuietly(in); 17537 } 17538 } 17539 } 17540 } 17541 17542 private String dumpDomainString(String packageName) { 17543 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 17544 .getList(); 17545 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 17546 17547 ArraySet<String> result = new ArraySet<>(); 17548 if (iviList.size() > 0) { 17549 for (IntentFilterVerificationInfo ivi : iviList) { 17550 for (String host : ivi.getDomains()) { 17551 result.add(host); 17552 } 17553 } 17554 } 17555 if (filters != null && filters.size() > 0) { 17556 for (IntentFilter filter : filters) { 17557 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 17558 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 17559 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 17560 result.addAll(filter.getHostsList()); 17561 } 17562 } 17563 } 17564 17565 StringBuilder sb = new StringBuilder(result.size() * 16); 17566 for (String domain : result) { 17567 if (sb.length() > 0) sb.append(" "); 17568 sb.append(domain); 17569 } 17570 return sb.toString(); 17571 } 17572 17573 // ------- apps on sdcard specific code ------- 17574 static final boolean DEBUG_SD_INSTALL = false; 17575 17576 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 17577 17578 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 17579 17580 private boolean mMediaMounted = false; 17581 17582 static String getEncryptKey() { 17583 try { 17584 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 17585 SD_ENCRYPTION_KEYSTORE_NAME); 17586 if (sdEncKey == null) { 17587 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 17588 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 17589 if (sdEncKey == null) { 17590 Slog.e(TAG, "Failed to create encryption keys"); 17591 return null; 17592 } 17593 } 17594 return sdEncKey; 17595 } catch (NoSuchAlgorithmException nsae) { 17596 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 17597 return null; 17598 } catch (IOException ioe) { 17599 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 17600 return null; 17601 } 17602 } 17603 17604 /* 17605 * Update media status on PackageManager. 17606 */ 17607 @Override 17608 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 17609 int callingUid = Binder.getCallingUid(); 17610 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 17611 throw new SecurityException("Media status can only be updated by the system"); 17612 } 17613 // reader; this apparently protects mMediaMounted, but should probably 17614 // be a different lock in that case. 17615 synchronized (mPackages) { 17616 Log.i(TAG, "Updating external media status from " 17617 + (mMediaMounted ? "mounted" : "unmounted") + " to " 17618 + (mediaStatus ? "mounted" : "unmounted")); 17619 if (DEBUG_SD_INSTALL) 17620 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 17621 + ", mMediaMounted=" + mMediaMounted); 17622 if (mediaStatus == mMediaMounted) { 17623 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 17624 : 0, -1); 17625 mHandler.sendMessage(msg); 17626 return; 17627 } 17628 mMediaMounted = mediaStatus; 17629 } 17630 // Queue up an async operation since the package installation may take a 17631 // little while. 17632 mHandler.post(new Runnable() { 17633 public void run() { 17634 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 17635 } 17636 }); 17637 } 17638 17639 /** 17640 * Called by MountService when the initial ASECs to scan are available. 17641 * Should block until all the ASEC containers are finished being scanned. 17642 */ 17643 public void scanAvailableAsecs() { 17644 updateExternalMediaStatusInner(true, false, false); 17645 } 17646 17647 /* 17648 * Collect information of applications on external media, map them against 17649 * existing containers and update information based on current mount status. 17650 * Please note that we always have to report status if reportStatus has been 17651 * set to true especially when unloading packages. 17652 */ 17653 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 17654 boolean externalStorage) { 17655 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 17656 int[] uidArr = EmptyArray.INT; 17657 17658 final String[] list = PackageHelper.getSecureContainerList(); 17659 if (ArrayUtils.isEmpty(list)) { 17660 Log.i(TAG, "No secure containers found"); 17661 } else { 17662 // Process list of secure containers and categorize them 17663 // as active or stale based on their package internal state. 17664 17665 // reader 17666 synchronized (mPackages) { 17667 for (String cid : list) { 17668 // Leave stages untouched for now; installer service owns them 17669 if (PackageInstallerService.isStageName(cid)) continue; 17670 17671 if (DEBUG_SD_INSTALL) 17672 Log.i(TAG, "Processing container " + cid); 17673 String pkgName = getAsecPackageName(cid); 17674 if (pkgName == null) { 17675 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 17676 continue; 17677 } 17678 if (DEBUG_SD_INSTALL) 17679 Log.i(TAG, "Looking for pkg : " + pkgName); 17680 17681 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17682 if (ps == null) { 17683 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 17684 continue; 17685 } 17686 17687 /* 17688 * Skip packages that are not external if we're unmounting 17689 * external storage. 17690 */ 17691 if (externalStorage && !isMounted && !isExternal(ps)) { 17692 continue; 17693 } 17694 17695 final AsecInstallArgs args = new AsecInstallArgs(cid, 17696 getAppDexInstructionSets(ps), ps.isForwardLocked()); 17697 // The package status is changed only if the code path 17698 // matches between settings and the container id. 17699 if (ps.codePathString != null 17700 && ps.codePathString.startsWith(args.getCodePath())) { 17701 if (DEBUG_SD_INSTALL) { 17702 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 17703 + " at code path: " + ps.codePathString); 17704 } 17705 17706 // We do have a valid package installed on sdcard 17707 processCids.put(args, ps.codePathString); 17708 final int uid = ps.appId; 17709 if (uid != -1) { 17710 uidArr = ArrayUtils.appendInt(uidArr, uid); 17711 } 17712 } else { 17713 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 17714 + ps.codePathString); 17715 } 17716 } 17717 } 17718 17719 Arrays.sort(uidArr); 17720 } 17721 17722 // Process packages with valid entries. 17723 if (isMounted) { 17724 if (DEBUG_SD_INSTALL) 17725 Log.i(TAG, "Loading packages"); 17726 loadMediaPackages(processCids, uidArr, externalStorage); 17727 startCleaningPackages(); 17728 mInstallerService.onSecureContainersAvailable(); 17729 } else { 17730 if (DEBUG_SD_INSTALL) 17731 Log.i(TAG, "Unloading packages"); 17732 unloadMediaPackages(processCids, uidArr, reportStatus); 17733 } 17734 } 17735 17736 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17737 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 17738 final int size = infos.size(); 17739 final String[] packageNames = new String[size]; 17740 final int[] packageUids = new int[size]; 17741 for (int i = 0; i < size; i++) { 17742 final ApplicationInfo info = infos.get(i); 17743 packageNames[i] = info.packageName; 17744 packageUids[i] = info.uid; 17745 } 17746 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 17747 finishedReceiver); 17748 } 17749 17750 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17751 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17752 sendResourcesChangedBroadcast(mediaStatus, replacing, 17753 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 17754 } 17755 17756 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 17757 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 17758 int size = pkgList.length; 17759 if (size > 0) { 17760 // Send broadcasts here 17761 Bundle extras = new Bundle(); 17762 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 17763 if (uidArr != null) { 17764 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 17765 } 17766 if (replacing) { 17767 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 17768 } 17769 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 17770 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 17771 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 17772 } 17773 } 17774 17775 /* 17776 * Look at potentially valid container ids from processCids If package 17777 * information doesn't match the one on record or package scanning fails, 17778 * the cid is added to list of removeCids. We currently don't delete stale 17779 * containers. 17780 */ 17781 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 17782 boolean externalStorage) { 17783 ArrayList<String> pkgList = new ArrayList<String>(); 17784 Set<AsecInstallArgs> keys = processCids.keySet(); 17785 17786 for (AsecInstallArgs args : keys) { 17787 String codePath = processCids.get(args); 17788 if (DEBUG_SD_INSTALL) 17789 Log.i(TAG, "Loading container : " + args.cid); 17790 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 17791 try { 17792 // Make sure there are no container errors first. 17793 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 17794 Slog.e(TAG, "Failed to mount cid : " + args.cid 17795 + " when installing from sdcard"); 17796 continue; 17797 } 17798 // Check code path here. 17799 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 17800 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 17801 + " does not match one in settings " + codePath); 17802 continue; 17803 } 17804 // Parse package 17805 int parseFlags = mDefParseFlags; 17806 if (args.isExternalAsec()) { 17807 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 17808 } 17809 if (args.isFwdLocked()) { 17810 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 17811 } 17812 17813 synchronized (mInstallLock) { 17814 PackageParser.Package pkg = null; 17815 try { 17816 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 17817 } catch (PackageManagerException e) { 17818 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 17819 } 17820 // Scan the package 17821 if (pkg != null) { 17822 /* 17823 * TODO why is the lock being held? doPostInstall is 17824 * called in other places without the lock. This needs 17825 * to be straightened out. 17826 */ 17827 // writer 17828 synchronized (mPackages) { 17829 retCode = PackageManager.INSTALL_SUCCEEDED; 17830 pkgList.add(pkg.packageName); 17831 // Post process args 17832 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 17833 pkg.applicationInfo.uid); 17834 } 17835 } else { 17836 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 17837 } 17838 } 17839 17840 } finally { 17841 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 17842 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 17843 } 17844 } 17845 } 17846 // writer 17847 synchronized (mPackages) { 17848 // If the platform SDK has changed since the last time we booted, 17849 // we need to re-grant app permission to catch any new ones that 17850 // appear. This is really a hack, and means that apps can in some 17851 // cases get permissions that the user didn't initially explicitly 17852 // allow... it would be nice to have some better way to handle 17853 // this situation. 17854 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 17855 : mSettings.getInternalVersion(); 17856 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 17857 : StorageManager.UUID_PRIVATE_INTERNAL; 17858 17859 int updateFlags = UPDATE_PERMISSIONS_ALL; 17860 if (ver.sdkVersion != mSdkVersion) { 17861 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 17862 + mSdkVersion + "; regranting permissions for external"); 17863 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 17864 } 17865 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 17866 17867 // Yay, everything is now upgraded 17868 ver.forceCurrent(); 17869 17870 // can downgrade to reader 17871 // Persist settings 17872 mSettings.writeLPr(); 17873 } 17874 // Send a broadcast to let everyone know we are done processing 17875 if (pkgList.size() > 0) { 17876 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 17877 } 17878 } 17879 17880 /* 17881 * Utility method to unload a list of specified containers 17882 */ 17883 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 17884 // Just unmount all valid containers. 17885 for (AsecInstallArgs arg : cidArgs) { 17886 synchronized (mInstallLock) { 17887 arg.doPostDeleteLI(false); 17888 } 17889 } 17890 } 17891 17892 /* 17893 * Unload packages mounted on external media. This involves deleting package 17894 * data from internal structures, sending broadcasts about disabled packages, 17895 * gc'ing to free up references, unmounting all secure containers 17896 * corresponding to packages on external media, and posting a 17897 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 17898 * that we always have to post this message if status has been requested no 17899 * matter what. 17900 */ 17901 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 17902 final boolean reportStatus) { 17903 if (DEBUG_SD_INSTALL) 17904 Log.i(TAG, "unloading media packages"); 17905 ArrayList<String> pkgList = new ArrayList<String>(); 17906 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 17907 final Set<AsecInstallArgs> keys = processCids.keySet(); 17908 for (AsecInstallArgs args : keys) { 17909 String pkgName = args.getPackageName(); 17910 if (DEBUG_SD_INSTALL) 17911 Log.i(TAG, "Trying to unload pkg : " + pkgName); 17912 // Delete package internally 17913 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 17914 synchronized (mInstallLock) { 17915 boolean res = deletePackageLI(pkgName, null, false, null, 17916 PackageManager.DELETE_KEEP_DATA, outInfo, false, null); 17917 if (res) { 17918 pkgList.add(pkgName); 17919 } else { 17920 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 17921 failedList.add(args); 17922 } 17923 } 17924 } 17925 17926 // reader 17927 synchronized (mPackages) { 17928 // We didn't update the settings after removing each package; 17929 // write them now for all packages. 17930 mSettings.writeLPr(); 17931 } 17932 17933 // We have to absolutely send UPDATED_MEDIA_STATUS only 17934 // after confirming that all the receivers processed the ordered 17935 // broadcast when packages get disabled, force a gc to clean things up. 17936 // and unload all the containers. 17937 if (pkgList.size() > 0) { 17938 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 17939 new IIntentReceiver.Stub() { 17940 public void performReceive(Intent intent, int resultCode, String data, 17941 Bundle extras, boolean ordered, boolean sticky, 17942 int sendingUser) throws RemoteException { 17943 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 17944 reportStatus ? 1 : 0, 1, keys); 17945 mHandler.sendMessage(msg); 17946 } 17947 }); 17948 } else { 17949 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 17950 keys); 17951 mHandler.sendMessage(msg); 17952 } 17953 } 17954 17955 private void loadPrivatePackages(final VolumeInfo vol) { 17956 mHandler.post(new Runnable() { 17957 @Override 17958 public void run() { 17959 loadPrivatePackagesInner(vol); 17960 } 17961 }); 17962 } 17963 17964 private void loadPrivatePackagesInner(VolumeInfo vol) { 17965 final String volumeUuid = vol.fsUuid; 17966 if (TextUtils.isEmpty(volumeUuid)) { 17967 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 17968 return; 17969 } 17970 17971 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 17972 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 17973 17974 final VersionInfo ver; 17975 final List<PackageSetting> packages; 17976 synchronized (mPackages) { 17977 ver = mSettings.findOrCreateVersion(volumeUuid); 17978 packages = mSettings.getVolumePackagesLPr(volumeUuid); 17979 } 17980 17981 // TODO: introduce a new concept similar to "frozen" to prevent these 17982 // apps from being launched until after data has been fully reconciled 17983 for (PackageSetting ps : packages) { 17984 synchronized (mInstallLock) { 17985 final PackageParser.Package pkg; 17986 try { 17987 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 17988 loaded.add(pkg.applicationInfo); 17989 17990 } catch (PackageManagerException e) { 17991 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 17992 } 17993 17994 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 17995 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 17996 } 17997 } 17998 } 17999 18000 // Reconcile app data for all started/unlocked users 18001 final StorageManager sm = mContext.getSystemService(StorageManager.class); 18002 final UserManager um = mContext.getSystemService(UserManager.class); 18003 for (UserInfo user : um.getUsers()) { 18004 final int flags; 18005 if (um.isUserUnlocked(user.id)) { 18006 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18007 } else if (um.isUserRunning(user.id)) { 18008 flags = StorageManager.FLAG_STORAGE_DE; 18009 } else { 18010 continue; 18011 } 18012 18013 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 18014 reconcileAppsData(volumeUuid, user.id, flags); 18015 } 18016 18017 synchronized (mPackages) { 18018 int updateFlags = UPDATE_PERMISSIONS_ALL; 18019 if (ver.sdkVersion != mSdkVersion) { 18020 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 18021 + mSdkVersion + "; regranting permissions for " + volumeUuid); 18022 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 18023 } 18024 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 18025 18026 // Yay, everything is now upgraded 18027 ver.forceCurrent(); 18028 18029 mSettings.writeLPr(); 18030 } 18031 18032 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 18033 sendResourcesChangedBroadcast(true, false, loaded, null); 18034 } 18035 18036 private void unloadPrivatePackages(final VolumeInfo vol) { 18037 mHandler.post(new Runnable() { 18038 @Override 18039 public void run() { 18040 unloadPrivatePackagesInner(vol); 18041 } 18042 }); 18043 } 18044 18045 private void unloadPrivatePackagesInner(VolumeInfo vol) { 18046 final String volumeUuid = vol.fsUuid; 18047 if (TextUtils.isEmpty(volumeUuid)) { 18048 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 18049 return; 18050 } 18051 18052 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 18053 synchronized (mInstallLock) { 18054 synchronized (mPackages) { 18055 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 18056 for (PackageSetting ps : packages) { 18057 if (ps.pkg == null) continue; 18058 18059 final ApplicationInfo info = ps.pkg.applicationInfo; 18060 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 18061 if (deletePackageLI(ps.name, null, false, null, 18062 PackageManager.DELETE_KEEP_DATA, outInfo, false, null)) { 18063 unloaded.add(info); 18064 } else { 18065 Slog.w(TAG, "Failed to unload " + ps.codePath); 18066 } 18067 } 18068 18069 mSettings.writeLPr(); 18070 } 18071 } 18072 18073 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 18074 sendResourcesChangedBroadcast(false, false, unloaded, null); 18075 } 18076 18077 /** 18078 * Examine all users present on given mounted volume, and destroy data 18079 * belonging to users that are no longer valid, or whose user ID has been 18080 * recycled. 18081 */ 18082 private void reconcileUsers(String volumeUuid) { 18083 // TODO: also reconcile DE directories 18084 final File[] files = FileUtils 18085 .listFilesOrEmpty(Environment.getDataUserCeDirectory(volumeUuid)); 18086 for (File file : files) { 18087 if (!file.isDirectory()) continue; 18088 18089 final int userId; 18090 final UserInfo info; 18091 try { 18092 userId = Integer.parseInt(file.getName()); 18093 info = sUserManager.getUserInfo(userId); 18094 } catch (NumberFormatException e) { 18095 Slog.w(TAG, "Invalid user directory " + file); 18096 continue; 18097 } 18098 18099 boolean destroyUser = false; 18100 if (info == null) { 18101 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18102 + " because no matching user was found"); 18103 destroyUser = true; 18104 } else { 18105 try { 18106 UserManagerService.enforceSerialNumber(file, info.serialNumber); 18107 } catch (IOException e) { 18108 logCriticalInfo(Log.WARN, "Destroying user directory " + file 18109 + " because we failed to enforce serial number: " + e); 18110 destroyUser = true; 18111 } 18112 } 18113 18114 if (destroyUser) { 18115 synchronized (mInstallLock) { 18116 try { 18117 mInstaller.removeUserDataDirs(volumeUuid, userId); 18118 } catch (InstallerException e) { 18119 Slog.w(TAG, "Failed to clean up user dirs", e); 18120 } 18121 } 18122 } 18123 } 18124 } 18125 18126 private void assertPackageKnown(String volumeUuid, String packageName) 18127 throws PackageManagerException { 18128 synchronized (mPackages) { 18129 final PackageSetting ps = mSettings.mPackages.get(packageName); 18130 if (ps == null) { 18131 throw new PackageManagerException("Package " + packageName + " is unknown"); 18132 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18133 throw new PackageManagerException( 18134 "Package " + packageName + " found on unknown volume " + volumeUuid 18135 + "; expected volume " + ps.volumeUuid); 18136 } 18137 } 18138 } 18139 18140 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 18141 throws PackageManagerException { 18142 synchronized (mPackages) { 18143 final PackageSetting ps = mSettings.mPackages.get(packageName); 18144 if (ps == null) { 18145 throw new PackageManagerException("Package " + packageName + " is unknown"); 18146 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 18147 throw new PackageManagerException( 18148 "Package " + packageName + " found on unknown volume " + volumeUuid 18149 + "; expected volume " + ps.volumeUuid); 18150 } else if (!ps.getInstalled(userId)) { 18151 throw new PackageManagerException( 18152 "Package " + packageName + " not installed for user " + userId); 18153 } 18154 } 18155 } 18156 18157 /** 18158 * Examine all apps present on given mounted volume, and destroy apps that 18159 * aren't expected, either due to uninstallation or reinstallation on 18160 * another volume. 18161 */ 18162 private void reconcileApps(String volumeUuid) { 18163 final File[] files = FileUtils 18164 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 18165 for (File file : files) { 18166 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 18167 && !PackageInstallerService.isStageName(file.getName()); 18168 if (!isPackage) { 18169 // Ignore entries which are not packages 18170 continue; 18171 } 18172 18173 try { 18174 final PackageLite pkg = PackageParser.parsePackageLite(file, 18175 PackageParser.PARSE_MUST_BE_APK); 18176 assertPackageKnown(volumeUuid, pkg.packageName); 18177 18178 } catch (PackageParserException | PackageManagerException e) { 18179 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18180 synchronized (mInstallLock) { 18181 removeCodePathLI(file); 18182 } 18183 } 18184 } 18185 } 18186 18187 /** 18188 * Reconcile all app data for the given user. 18189 * <p> 18190 * Verifies that directories exist and that ownership and labeling is 18191 * correct for all installed apps on all mounted volumes. 18192 */ 18193 void reconcileAppsData(int userId, int flags) { 18194 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18195 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18196 final String volumeUuid = vol.getFsUuid(); 18197 reconcileAppsData(volumeUuid, userId, flags); 18198 } 18199 } 18200 18201 /** 18202 * Reconcile all app data on given mounted volume. 18203 * <p> 18204 * Destroys app data that isn't expected, either due to uninstallation or 18205 * reinstallation on another volume. 18206 * <p> 18207 * Verifies that directories exist and that ownership and labeling is 18208 * correct for all installed apps. 18209 */ 18210 private void reconcileAppsData(String volumeUuid, int userId, int flags) { 18211 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 18212 + Integer.toHexString(flags)); 18213 18214 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 18215 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 18216 18217 boolean restoreconNeeded = false; 18218 18219 // First look for stale data that doesn't belong, and check if things 18220 // have changed since we did our last restorecon 18221 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18222 if (!isUserKeyUnlocked(userId)) { 18223 throw new RuntimeException( 18224 "Yikes, someone asked us to reconcile CE storage while " + userId 18225 + " was still locked; this would have caused massive data loss!"); 18226 } 18227 18228 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 18229 18230 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 18231 for (File file : files) { 18232 final String packageName = file.getName(); 18233 try { 18234 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18235 } catch (PackageManagerException e) { 18236 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18237 synchronized (mInstallLock) { 18238 destroyAppDataLI(volumeUuid, packageName, userId, 18239 StorageManager.FLAG_STORAGE_CE); 18240 } 18241 } 18242 } 18243 } 18244 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18245 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 18246 18247 final File[] files = FileUtils.listFilesOrEmpty(deDir); 18248 for (File file : files) { 18249 final String packageName = file.getName(); 18250 try { 18251 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 18252 } catch (PackageManagerException e) { 18253 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 18254 synchronized (mInstallLock) { 18255 destroyAppDataLI(volumeUuid, packageName, userId, 18256 StorageManager.FLAG_STORAGE_DE); 18257 } 18258 } 18259 } 18260 } 18261 18262 // Ensure that data directories are ready to roll for all packages 18263 // installed for this volume and user 18264 final List<PackageSetting> packages; 18265 synchronized (mPackages) { 18266 packages = mSettings.getVolumePackagesLPr(volumeUuid); 18267 } 18268 int preparedCount = 0; 18269 for (PackageSetting ps : packages) { 18270 final String packageName = ps.name; 18271 if (ps.pkg == null) { 18272 Slog.w(TAG, "Odd, missing scanned package " + packageName); 18273 // TODO: might be due to legacy ASEC apps; we should circle back 18274 // and reconcile again once they're scanned 18275 continue; 18276 } 18277 18278 if (ps.getInstalled(userId)) { 18279 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18280 18281 if (maybeMigrateAppData(volumeUuid, userId, ps.pkg)) { 18282 // We may have just shuffled around app data directories, so 18283 // prepare them one more time 18284 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 18285 } 18286 18287 preparedCount++; 18288 } 18289 } 18290 18291 if (restoreconNeeded) { 18292 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18293 SELinuxMMAC.setRestoreconDone(ceDir); 18294 } 18295 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 18296 SELinuxMMAC.setRestoreconDone(deDir); 18297 } 18298 } 18299 18300 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 18301 + " packages; restoreconNeeded was " + restoreconNeeded); 18302 } 18303 18304 /** 18305 * Prepare app data for the given app just after it was installed or 18306 * upgraded. This method carefully only touches users that it's installed 18307 * for, and it forces a restorecon to handle any seinfo changes. 18308 * <p> 18309 * Verifies that directories exist and that ownership and labeling is 18310 * correct for all installed apps. If there is an ownership mismatch, it 18311 * will try recovering system apps by wiping data; third-party app data is 18312 * left intact. 18313 * <p> 18314 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 18315 */ 18316 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 18317 prepareAppDataAfterInstallInternal(pkg); 18318 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18319 for (int i = 0; i < childCount; i++) { 18320 PackageParser.Package childPackage = pkg.childPackages.get(i); 18321 prepareAppDataAfterInstallInternal(childPackage); 18322 } 18323 } 18324 18325 private void prepareAppDataAfterInstallInternal(PackageParser.Package pkg) { 18326 final PackageSetting ps; 18327 synchronized (mPackages) { 18328 ps = mSettings.mPackages.get(pkg.packageName); 18329 mSettings.writeKernelMappingLPr(ps); 18330 } 18331 18332 final UserManager um = mContext.getSystemService(UserManager.class); 18333 for (UserInfo user : um.getUsers()) { 18334 final int flags; 18335 if (um.isUserUnlocked(user.id)) { 18336 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18337 } else if (um.isUserRunning(user.id)) { 18338 flags = StorageManager.FLAG_STORAGE_DE; 18339 } else { 18340 continue; 18341 } 18342 18343 if (ps.getInstalled(user.id)) { 18344 // Whenever an app changes, force a restorecon of its data 18345 // TODO: when user data is locked, mark that we're still dirty 18346 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 18347 } 18348 } 18349 } 18350 18351 /** 18352 * Prepare app data for the given app. 18353 * <p> 18354 * Verifies that directories exist and that ownership and labeling is 18355 * correct for all installed apps. If there is an ownership mismatch, this 18356 * will try recovering system apps by wiping data; third-party app data is 18357 * left intact. 18358 */ 18359 private void prepareAppData(String volumeUuid, int userId, int flags, 18360 PackageParser.Package pkg, boolean restoreconNeeded) { 18361 if (DEBUG_APP_DATA) { 18362 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 18363 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 18364 } 18365 18366 final String packageName = pkg.packageName; 18367 final ApplicationInfo app = pkg.applicationInfo; 18368 final int appId = UserHandle.getAppId(app.uid); 18369 18370 Preconditions.checkNotNull(app.seinfo); 18371 18372 synchronized (mInstallLock) { 18373 try { 18374 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18375 appId, app.seinfo, app.targetSdkVersion); 18376 } catch (InstallerException e) { 18377 if (app.isSystemApp()) { 18378 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 18379 + ", but trying to recover: " + e); 18380 destroyAppDataLI(volumeUuid, packageName, userId, flags); 18381 try { 18382 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 18383 appId, app.seinfo, app.targetSdkVersion); 18384 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 18385 } catch (InstallerException e2) { 18386 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 18387 } 18388 } else { 18389 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 18390 } 18391 } 18392 18393 if (restoreconNeeded) { 18394 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 18395 } 18396 18397 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 18398 // Create a native library symlink only if we have native libraries 18399 // and if the native libraries are 32 bit libraries. We do not provide 18400 // this symlink for 64 bit libraries. 18401 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 18402 final String nativeLibPath = app.nativeLibraryDir; 18403 try { 18404 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 18405 nativeLibPath, userId); 18406 } catch (InstallerException e) { 18407 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 18408 } 18409 } 18410 } 18411 } 18412 } 18413 18414 /** 18415 * For system apps on non-FBE devices, this method migrates any existing 18416 * CE/DE data to match the {@code forceDeviceEncrypted} flag requested by 18417 * the app. 18418 */ 18419 private boolean maybeMigrateAppData(String volumeUuid, int userId, PackageParser.Package pkg) { 18420 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 18421 && PackageManager.APPLY_FORCE_DEVICE_ENCRYPTED) { 18422 final int storageTarget = pkg.applicationInfo.isForceDeviceEncrypted() 18423 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 18424 synchronized (mInstallLock) { 18425 try { 18426 mInstaller.migrateAppData(volumeUuid, pkg.packageName, userId, storageTarget); 18427 } catch (InstallerException e) { 18428 logCriticalInfo(Log.WARN, 18429 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 18430 } 18431 } 18432 return true; 18433 } else { 18434 return false; 18435 } 18436 } 18437 18438 private void unfreezePackage(String packageName) { 18439 synchronized (mPackages) { 18440 final PackageSetting ps = mSettings.mPackages.get(packageName); 18441 if (ps != null) { 18442 ps.frozen = false; 18443 } 18444 } 18445 } 18446 18447 @Override 18448 public int movePackage(final String packageName, final String volumeUuid) { 18449 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18450 18451 final int moveId = mNextMoveId.getAndIncrement(); 18452 mHandler.post(new Runnable() { 18453 @Override 18454 public void run() { 18455 try { 18456 movePackageInternal(packageName, volumeUuid, moveId); 18457 } catch (PackageManagerException e) { 18458 Slog.w(TAG, "Failed to move " + packageName, e); 18459 mMoveCallbacks.notifyStatusChanged(moveId, 18460 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18461 } 18462 } 18463 }); 18464 return moveId; 18465 } 18466 18467 private void movePackageInternal(final String packageName, final String volumeUuid, 18468 final int moveId) throws PackageManagerException { 18469 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 18470 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18471 final PackageManager pm = mContext.getPackageManager(); 18472 18473 final boolean currentAsec; 18474 final String currentVolumeUuid; 18475 final File codeFile; 18476 final String installerPackageName; 18477 final String packageAbiOverride; 18478 final int appId; 18479 final String seinfo; 18480 final String label; 18481 final int targetSdkVersion; 18482 18483 // reader 18484 synchronized (mPackages) { 18485 final PackageParser.Package pkg = mPackages.get(packageName); 18486 final PackageSetting ps = mSettings.mPackages.get(packageName); 18487 if (pkg == null || ps == null) { 18488 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 18489 } 18490 18491 if (pkg.applicationInfo.isSystemApp()) { 18492 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 18493 "Cannot move system application"); 18494 } 18495 18496 if (pkg.applicationInfo.isExternalAsec()) { 18497 currentAsec = true; 18498 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 18499 } else if (pkg.applicationInfo.isForwardLocked()) { 18500 currentAsec = true; 18501 currentVolumeUuid = "forward_locked"; 18502 } else { 18503 currentAsec = false; 18504 currentVolumeUuid = ps.volumeUuid; 18505 18506 final File probe = new File(pkg.codePath); 18507 final File probeOat = new File(probe, "oat"); 18508 if (!probe.isDirectory() || !probeOat.isDirectory()) { 18509 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18510 "Move only supported for modern cluster style installs"); 18511 } 18512 } 18513 18514 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 18515 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18516 "Package already moved to " + volumeUuid); 18517 } 18518 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 18519 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 18520 "Device admin cannot be moved"); 18521 } 18522 18523 if (ps.frozen) { 18524 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 18525 "Failed to move already frozen package"); 18526 } 18527 ps.frozen = true; 18528 18529 codeFile = new File(pkg.codePath); 18530 installerPackageName = ps.installerPackageName; 18531 packageAbiOverride = ps.cpuAbiOverrideString; 18532 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18533 seinfo = pkg.applicationInfo.seinfo; 18534 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 18535 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 18536 } 18537 18538 // Now that we're guarded by frozen state, kill app during move 18539 final long token = Binder.clearCallingIdentity(); 18540 try { 18541 killApplication(packageName, appId, "move pkg"); 18542 } finally { 18543 Binder.restoreCallingIdentity(token); 18544 } 18545 18546 final Bundle extras = new Bundle(); 18547 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 18548 extras.putString(Intent.EXTRA_TITLE, label); 18549 mMoveCallbacks.notifyCreated(moveId, extras); 18550 18551 int installFlags; 18552 final boolean moveCompleteApp; 18553 final File measurePath; 18554 18555 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 18556 installFlags = INSTALL_INTERNAL; 18557 moveCompleteApp = !currentAsec; 18558 measurePath = Environment.getDataAppDirectory(volumeUuid); 18559 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 18560 installFlags = INSTALL_EXTERNAL; 18561 moveCompleteApp = false; 18562 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 18563 } else { 18564 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 18565 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 18566 || !volume.isMountedWritable()) { 18567 unfreezePackage(packageName); 18568 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18569 "Move location not mounted private volume"); 18570 } 18571 18572 Preconditions.checkState(!currentAsec); 18573 18574 installFlags = INSTALL_INTERNAL; 18575 moveCompleteApp = true; 18576 measurePath = Environment.getDataAppDirectory(volumeUuid); 18577 } 18578 18579 final PackageStats stats = new PackageStats(null, -1); 18580 synchronized (mInstaller) { 18581 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 18582 unfreezePackage(packageName); 18583 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18584 "Failed to measure package size"); 18585 } 18586 } 18587 18588 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 18589 + stats.dataSize); 18590 18591 final long startFreeBytes = measurePath.getFreeSpace(); 18592 final long sizeBytes; 18593 if (moveCompleteApp) { 18594 sizeBytes = stats.codeSize + stats.dataSize; 18595 } else { 18596 sizeBytes = stats.codeSize; 18597 } 18598 18599 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 18600 unfreezePackage(packageName); 18601 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 18602 "Not enough free space to move"); 18603 } 18604 18605 mMoveCallbacks.notifyStatusChanged(moveId, 10); 18606 18607 final CountDownLatch installedLatch = new CountDownLatch(1); 18608 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 18609 @Override 18610 public void onUserActionRequired(Intent intent) throws RemoteException { 18611 throw new IllegalStateException(); 18612 } 18613 18614 @Override 18615 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 18616 Bundle extras) throws RemoteException { 18617 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 18618 + PackageManager.installStatusToString(returnCode, msg)); 18619 18620 installedLatch.countDown(); 18621 18622 // Regardless of success or failure of the move operation, 18623 // always unfreeze the package 18624 unfreezePackage(packageName); 18625 18626 final int status = PackageManager.installStatusToPublicStatus(returnCode); 18627 switch (status) { 18628 case PackageInstaller.STATUS_SUCCESS: 18629 mMoveCallbacks.notifyStatusChanged(moveId, 18630 PackageManager.MOVE_SUCCEEDED); 18631 break; 18632 case PackageInstaller.STATUS_FAILURE_STORAGE: 18633 mMoveCallbacks.notifyStatusChanged(moveId, 18634 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 18635 break; 18636 default: 18637 mMoveCallbacks.notifyStatusChanged(moveId, 18638 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 18639 break; 18640 } 18641 } 18642 }; 18643 18644 final MoveInfo move; 18645 if (moveCompleteApp) { 18646 // Kick off a thread to report progress estimates 18647 new Thread() { 18648 @Override 18649 public void run() { 18650 while (true) { 18651 try { 18652 if (installedLatch.await(1, TimeUnit.SECONDS)) { 18653 break; 18654 } 18655 } catch (InterruptedException ignored) { 18656 } 18657 18658 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 18659 final int progress = 10 + (int) MathUtils.constrain( 18660 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 18661 mMoveCallbacks.notifyStatusChanged(moveId, progress); 18662 } 18663 } 18664 }.start(); 18665 18666 final String dataAppName = codeFile.getName(); 18667 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 18668 dataAppName, appId, seinfo, targetSdkVersion); 18669 } else { 18670 move = null; 18671 } 18672 18673 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 18674 18675 final Message msg = mHandler.obtainMessage(INIT_COPY); 18676 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 18677 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 18678 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 18679 packageAbiOverride, null); 18680 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 18681 msg.obj = params; 18682 18683 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 18684 System.identityHashCode(msg.obj)); 18685 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 18686 System.identityHashCode(msg.obj)); 18687 18688 mHandler.sendMessage(msg); 18689 } 18690 18691 @Override 18692 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 18693 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 18694 18695 final int realMoveId = mNextMoveId.getAndIncrement(); 18696 final Bundle extras = new Bundle(); 18697 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 18698 mMoveCallbacks.notifyCreated(realMoveId, extras); 18699 18700 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 18701 @Override 18702 public void onCreated(int moveId, Bundle extras) { 18703 // Ignored 18704 } 18705 18706 @Override 18707 public void onStatusChanged(int moveId, int status, long estMillis) { 18708 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 18709 } 18710 }; 18711 18712 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18713 storage.setPrimaryStorageUuid(volumeUuid, callback); 18714 return realMoveId; 18715 } 18716 18717 @Override 18718 public int getMoveStatus(int moveId) { 18719 mContext.enforceCallingOrSelfPermission( 18720 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18721 return mMoveCallbacks.mLastStatus.get(moveId); 18722 } 18723 18724 @Override 18725 public void registerMoveCallback(IPackageMoveObserver callback) { 18726 mContext.enforceCallingOrSelfPermission( 18727 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18728 mMoveCallbacks.register(callback); 18729 } 18730 18731 @Override 18732 public void unregisterMoveCallback(IPackageMoveObserver callback) { 18733 mContext.enforceCallingOrSelfPermission( 18734 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 18735 mMoveCallbacks.unregister(callback); 18736 } 18737 18738 @Override 18739 public boolean setInstallLocation(int loc) { 18740 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 18741 null); 18742 if (getInstallLocation() == loc) { 18743 return true; 18744 } 18745 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 18746 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 18747 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 18748 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 18749 return true; 18750 } 18751 return false; 18752 } 18753 18754 @Override 18755 public int getInstallLocation() { 18756 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 18757 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 18758 PackageHelper.APP_INSTALL_AUTO); 18759 } 18760 18761 /** Called by UserManagerService */ 18762 void cleanUpUser(UserManagerService userManager, int userHandle) { 18763 synchronized (mPackages) { 18764 mDirtyUsers.remove(userHandle); 18765 mUserNeedsBadging.delete(userHandle); 18766 mSettings.removeUserLPw(userHandle); 18767 mPendingBroadcasts.remove(userHandle); 18768 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 18769 } 18770 synchronized (mInstallLock) { 18771 final StorageManager storage = mContext.getSystemService(StorageManager.class); 18772 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 18773 final String volumeUuid = vol.getFsUuid(); 18774 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 18775 try { 18776 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 18777 } catch (InstallerException e) { 18778 Slog.w(TAG, "Failed to remove user data", e); 18779 } 18780 } 18781 synchronized (mPackages) { 18782 removeUnusedPackagesLILPw(userManager, userHandle); 18783 } 18784 } 18785 } 18786 18787 /** 18788 * We're removing userHandle and would like to remove any downloaded packages 18789 * that are no longer in use by any other user. 18790 * @param userHandle the user being removed 18791 */ 18792 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 18793 final boolean DEBUG_CLEAN_APKS = false; 18794 int [] users = userManager.getUserIds(); 18795 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 18796 while (psit.hasNext()) { 18797 PackageSetting ps = psit.next(); 18798 if (ps.pkg == null) { 18799 continue; 18800 } 18801 final String packageName = ps.pkg.packageName; 18802 // Skip over if system app 18803 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 18804 continue; 18805 } 18806 if (DEBUG_CLEAN_APKS) { 18807 Slog.i(TAG, "Checking package " + packageName); 18808 } 18809 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 18810 if (keep) { 18811 if (DEBUG_CLEAN_APKS) { 18812 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 18813 } 18814 } else { 18815 for (int i = 0; i < users.length; i++) { 18816 if (users[i] != userHandle && ps.getInstalled(users[i])) { 18817 keep = true; 18818 if (DEBUG_CLEAN_APKS) { 18819 Slog.i(TAG, " Keeping package " + packageName + " for user " 18820 + users[i]); 18821 } 18822 break; 18823 } 18824 } 18825 } 18826 if (!keep) { 18827 if (DEBUG_CLEAN_APKS) { 18828 Slog.i(TAG, " Removing package " + packageName); 18829 } 18830 mHandler.post(new Runnable() { 18831 public void run() { 18832 deletePackageX(packageName, userHandle, 0); 18833 } //end run 18834 }); 18835 } 18836 } 18837 } 18838 18839 /** Called by UserManagerService */ 18840 void createNewUser(int userHandle) { 18841 synchronized (mInstallLock) { 18842 try { 18843 mInstaller.createUserConfig(userHandle); 18844 } catch (InstallerException e) { 18845 Slog.w(TAG, "Failed to create user config", e); 18846 } 18847 mSettings.createNewUserLI(this, mInstaller, userHandle); 18848 } 18849 synchronized (mPackages) { 18850 applyFactoryDefaultBrowserLPw(userHandle); 18851 primeDomainVerificationsLPw(userHandle); 18852 } 18853 } 18854 18855 void newUserCreated(final int userHandle) { 18856 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 18857 // If permission review for legacy apps is required, we represent 18858 // dagerous permissions for such apps as always granted runtime 18859 // permissions to keep per user flag state whether review is needed. 18860 // Hence, if a new user is added we have to propagate dangerous 18861 // permission grants for these legacy apps. 18862 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 18863 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 18864 | UPDATE_PERMISSIONS_REPLACE_ALL); 18865 } 18866 } 18867 18868 @Override 18869 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 18870 mContext.enforceCallingOrSelfPermission( 18871 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 18872 "Only package verification agents can read the verifier device identity"); 18873 18874 synchronized (mPackages) { 18875 return mSettings.getVerifierDeviceIdentityLPw(); 18876 } 18877 } 18878 18879 @Override 18880 public void setPermissionEnforced(String permission, boolean enforced) { 18881 // TODO: Now that we no longer change GID for storage, this should to away. 18882 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 18883 "setPermissionEnforced"); 18884 if (READ_EXTERNAL_STORAGE.equals(permission)) { 18885 synchronized (mPackages) { 18886 if (mSettings.mReadExternalStorageEnforced == null 18887 || mSettings.mReadExternalStorageEnforced != enforced) { 18888 mSettings.mReadExternalStorageEnforced = enforced; 18889 mSettings.writeLPr(); 18890 } 18891 } 18892 // kill any non-foreground processes so we restart them and 18893 // grant/revoke the GID. 18894 final IActivityManager am = ActivityManagerNative.getDefault(); 18895 if (am != null) { 18896 final long token = Binder.clearCallingIdentity(); 18897 try { 18898 am.killProcessesBelowForeground("setPermissionEnforcement"); 18899 } catch (RemoteException e) { 18900 } finally { 18901 Binder.restoreCallingIdentity(token); 18902 } 18903 } 18904 } else { 18905 throw new IllegalArgumentException("No selective enforcement for " + permission); 18906 } 18907 } 18908 18909 @Override 18910 @Deprecated 18911 public boolean isPermissionEnforced(String permission) { 18912 return true; 18913 } 18914 18915 @Override 18916 public boolean isStorageLow() { 18917 final long token = Binder.clearCallingIdentity(); 18918 try { 18919 final DeviceStorageMonitorInternal 18920 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 18921 if (dsm != null) { 18922 return dsm.isMemoryLow(); 18923 } else { 18924 return false; 18925 } 18926 } finally { 18927 Binder.restoreCallingIdentity(token); 18928 } 18929 } 18930 18931 @Override 18932 public IPackageInstaller getPackageInstaller() { 18933 return mInstallerService; 18934 } 18935 18936 private boolean userNeedsBadging(int userId) { 18937 int index = mUserNeedsBadging.indexOfKey(userId); 18938 if (index < 0) { 18939 final UserInfo userInfo; 18940 final long token = Binder.clearCallingIdentity(); 18941 try { 18942 userInfo = sUserManager.getUserInfo(userId); 18943 } finally { 18944 Binder.restoreCallingIdentity(token); 18945 } 18946 final boolean b; 18947 if (userInfo != null && userInfo.isManagedProfile()) { 18948 b = true; 18949 } else { 18950 b = false; 18951 } 18952 mUserNeedsBadging.put(userId, b); 18953 return b; 18954 } 18955 return mUserNeedsBadging.valueAt(index); 18956 } 18957 18958 @Override 18959 public KeySet getKeySetByAlias(String packageName, String alias) { 18960 if (packageName == null || alias == null) { 18961 return null; 18962 } 18963 synchronized(mPackages) { 18964 final PackageParser.Package pkg = mPackages.get(packageName); 18965 if (pkg == null) { 18966 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18967 throw new IllegalArgumentException("Unknown package: " + packageName); 18968 } 18969 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18970 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 18971 } 18972 } 18973 18974 @Override 18975 public KeySet getSigningKeySet(String packageName) { 18976 if (packageName == null) { 18977 return null; 18978 } 18979 synchronized(mPackages) { 18980 final PackageParser.Package pkg = mPackages.get(packageName); 18981 if (pkg == null) { 18982 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 18983 throw new IllegalArgumentException("Unknown package: " + packageName); 18984 } 18985 if (pkg.applicationInfo.uid != Binder.getCallingUid() 18986 && Process.SYSTEM_UID != Binder.getCallingUid()) { 18987 throw new SecurityException("May not access signing KeySet of other apps."); 18988 } 18989 KeySetManagerService ksms = mSettings.mKeySetManagerService; 18990 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 18991 } 18992 } 18993 18994 @Override 18995 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 18996 if (packageName == null || ks == null) { 18997 return false; 18998 } 18999 synchronized(mPackages) { 19000 final PackageParser.Package pkg = mPackages.get(packageName); 19001 if (pkg == null) { 19002 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19003 throw new IllegalArgumentException("Unknown package: " + packageName); 19004 } 19005 IBinder ksh = ks.getToken(); 19006 if (ksh instanceof KeySetHandle) { 19007 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19008 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 19009 } 19010 return false; 19011 } 19012 } 19013 19014 @Override 19015 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 19016 if (packageName == null || ks == null) { 19017 return false; 19018 } 19019 synchronized(mPackages) { 19020 final PackageParser.Package pkg = mPackages.get(packageName); 19021 if (pkg == null) { 19022 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 19023 throw new IllegalArgumentException("Unknown package: " + packageName); 19024 } 19025 IBinder ksh = ks.getToken(); 19026 if (ksh instanceof KeySetHandle) { 19027 KeySetManagerService ksms = mSettings.mKeySetManagerService; 19028 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 19029 } 19030 return false; 19031 } 19032 } 19033 19034 private void deletePackageIfUnusedLPr(final String packageName) { 19035 PackageSetting ps = mSettings.mPackages.get(packageName); 19036 if (ps == null) { 19037 return; 19038 } 19039 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 19040 // TODO Implement atomic delete if package is unused 19041 // It is currently possible that the package will be deleted even if it is installed 19042 // after this method returns. 19043 mHandler.post(new Runnable() { 19044 public void run() { 19045 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 19046 } 19047 }); 19048 } 19049 } 19050 19051 /** 19052 * Check and throw if the given before/after packages would be considered a 19053 * downgrade. 19054 */ 19055 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 19056 throws PackageManagerException { 19057 if (after.versionCode < before.mVersionCode) { 19058 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19059 "Update version code " + after.versionCode + " is older than current " 19060 + before.mVersionCode); 19061 } else if (after.versionCode == before.mVersionCode) { 19062 if (after.baseRevisionCode < before.baseRevisionCode) { 19063 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19064 "Update base revision code " + after.baseRevisionCode 19065 + " is older than current " + before.baseRevisionCode); 19066 } 19067 19068 if (!ArrayUtils.isEmpty(after.splitNames)) { 19069 for (int i = 0; i < after.splitNames.length; i++) { 19070 final String splitName = after.splitNames[i]; 19071 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 19072 if (j != -1) { 19073 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 19074 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 19075 "Update split " + splitName + " revision code " 19076 + after.splitRevisionCodes[i] + " is older than current " 19077 + before.splitRevisionCodes[j]); 19078 } 19079 } 19080 } 19081 } 19082 } 19083 } 19084 19085 private static class MoveCallbacks extends Handler { 19086 private static final int MSG_CREATED = 1; 19087 private static final int MSG_STATUS_CHANGED = 2; 19088 19089 private final RemoteCallbackList<IPackageMoveObserver> 19090 mCallbacks = new RemoteCallbackList<>(); 19091 19092 private final SparseIntArray mLastStatus = new SparseIntArray(); 19093 19094 public MoveCallbacks(Looper looper) { 19095 super(looper); 19096 } 19097 19098 public void register(IPackageMoveObserver callback) { 19099 mCallbacks.register(callback); 19100 } 19101 19102 public void unregister(IPackageMoveObserver callback) { 19103 mCallbacks.unregister(callback); 19104 } 19105 19106 @Override 19107 public void handleMessage(Message msg) { 19108 final SomeArgs args = (SomeArgs) msg.obj; 19109 final int n = mCallbacks.beginBroadcast(); 19110 for (int i = 0; i < n; i++) { 19111 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 19112 try { 19113 invokeCallback(callback, msg.what, args); 19114 } catch (RemoteException ignored) { 19115 } 19116 } 19117 mCallbacks.finishBroadcast(); 19118 args.recycle(); 19119 } 19120 19121 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 19122 throws RemoteException { 19123 switch (what) { 19124 case MSG_CREATED: { 19125 callback.onCreated(args.argi1, (Bundle) args.arg2); 19126 break; 19127 } 19128 case MSG_STATUS_CHANGED: { 19129 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 19130 break; 19131 } 19132 } 19133 } 19134 19135 private void notifyCreated(int moveId, Bundle extras) { 19136 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 19137 19138 final SomeArgs args = SomeArgs.obtain(); 19139 args.argi1 = moveId; 19140 args.arg2 = extras; 19141 obtainMessage(MSG_CREATED, args).sendToTarget(); 19142 } 19143 19144 private void notifyStatusChanged(int moveId, int status) { 19145 notifyStatusChanged(moveId, status, -1); 19146 } 19147 19148 private void notifyStatusChanged(int moveId, int status, long estMillis) { 19149 Slog.v(TAG, "Move " + moveId + " status " + status); 19150 19151 final SomeArgs args = SomeArgs.obtain(); 19152 args.argi1 = moveId; 19153 args.argi2 = status; 19154 args.arg3 = estMillis; 19155 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 19156 19157 synchronized (mLastStatus) { 19158 mLastStatus.put(moveId, status); 19159 } 19160 } 19161 } 19162 19163 private final static class OnPermissionChangeListeners extends Handler { 19164 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 19165 19166 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 19167 new RemoteCallbackList<>(); 19168 19169 public OnPermissionChangeListeners(Looper looper) { 19170 super(looper); 19171 } 19172 19173 @Override 19174 public void handleMessage(Message msg) { 19175 switch (msg.what) { 19176 case MSG_ON_PERMISSIONS_CHANGED: { 19177 final int uid = msg.arg1; 19178 handleOnPermissionsChanged(uid); 19179 } break; 19180 } 19181 } 19182 19183 public void addListenerLocked(IOnPermissionsChangeListener listener) { 19184 mPermissionListeners.register(listener); 19185 19186 } 19187 19188 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 19189 mPermissionListeners.unregister(listener); 19190 } 19191 19192 public void onPermissionsChanged(int uid) { 19193 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 19194 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 19195 } 19196 } 19197 19198 private void handleOnPermissionsChanged(int uid) { 19199 final int count = mPermissionListeners.beginBroadcast(); 19200 try { 19201 for (int i = 0; i < count; i++) { 19202 IOnPermissionsChangeListener callback = mPermissionListeners 19203 .getBroadcastItem(i); 19204 try { 19205 callback.onPermissionsChanged(uid); 19206 } catch (RemoteException e) { 19207 Log.e(TAG, "Permission listener is dead", e); 19208 } 19209 } 19210 } finally { 19211 mPermissionListeners.finishBroadcast(); 19212 } 19213 } 19214 } 19215 19216 private class PackageManagerInternalImpl extends PackageManagerInternal { 19217 @Override 19218 public void setLocationPackagesProvider(PackagesProvider provider) { 19219 synchronized (mPackages) { 19220 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 19221 } 19222 } 19223 19224 @Override 19225 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 19226 synchronized (mPackages) { 19227 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 19228 } 19229 } 19230 19231 @Override 19232 public void setSmsAppPackagesProvider(PackagesProvider provider) { 19233 synchronized (mPackages) { 19234 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 19235 } 19236 } 19237 19238 @Override 19239 public void setDialerAppPackagesProvider(PackagesProvider provider) { 19240 synchronized (mPackages) { 19241 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 19242 } 19243 } 19244 19245 @Override 19246 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 19247 synchronized (mPackages) { 19248 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 19249 } 19250 } 19251 19252 @Override 19253 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 19254 synchronized (mPackages) { 19255 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 19256 } 19257 } 19258 19259 @Override 19260 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 19261 synchronized (mPackages) { 19262 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 19263 packageName, userId); 19264 } 19265 } 19266 19267 @Override 19268 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 19269 synchronized (mPackages) { 19270 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 19271 packageName, userId); 19272 } 19273 } 19274 19275 @Override 19276 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 19277 synchronized (mPackages) { 19278 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 19279 packageName, userId); 19280 } 19281 } 19282 19283 @Override 19284 public void setKeepUninstalledPackages(final List<String> packageList) { 19285 Preconditions.checkNotNull(packageList); 19286 List<String> removedFromList = null; 19287 synchronized (mPackages) { 19288 if (mKeepUninstalledPackages != null) { 19289 final int packagesCount = mKeepUninstalledPackages.size(); 19290 for (int i = 0; i < packagesCount; i++) { 19291 String oldPackage = mKeepUninstalledPackages.get(i); 19292 if (packageList != null && packageList.contains(oldPackage)) { 19293 continue; 19294 } 19295 if (removedFromList == null) { 19296 removedFromList = new ArrayList<>(); 19297 } 19298 removedFromList.add(oldPackage); 19299 } 19300 } 19301 mKeepUninstalledPackages = new ArrayList<>(packageList); 19302 if (removedFromList != null) { 19303 final int removedCount = removedFromList.size(); 19304 for (int i = 0; i < removedCount; i++) { 19305 deletePackageIfUnusedLPr(removedFromList.get(i)); 19306 } 19307 } 19308 } 19309 } 19310 19311 @Override 19312 public boolean isPermissionsReviewRequired(String packageName, int userId) { 19313 synchronized (mPackages) { 19314 // If we do not support permission review, done. 19315 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 19316 return false; 19317 } 19318 19319 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 19320 if (packageSetting == null) { 19321 return false; 19322 } 19323 19324 // Permission review applies only to apps not supporting the new permission model. 19325 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 19326 return false; 19327 } 19328 19329 // Legacy apps have the permission and get user consent on launch. 19330 PermissionsState permissionsState = packageSetting.getPermissionsState(); 19331 return permissionsState.isPermissionReviewRequired(userId); 19332 } 19333 } 19334 19335 @Override 19336 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 19337 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 19338 } 19339 19340 @Override 19341 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19342 int userId) { 19343 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 19344 } 19345 } 19346 19347 @Override 19348 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 19349 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 19350 synchronized (mPackages) { 19351 final long identity = Binder.clearCallingIdentity(); 19352 try { 19353 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 19354 packageNames, userId); 19355 } finally { 19356 Binder.restoreCallingIdentity(identity); 19357 } 19358 } 19359 } 19360 19361 private static void enforceSystemOrPhoneCaller(String tag) { 19362 int callingUid = Binder.getCallingUid(); 19363 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 19364 throw new SecurityException( 19365 "Cannot call " + tag + " from UID " + callingUid); 19366 } 19367 } 19368 19369 boolean isHistoricalPackageUsageAvailable() { 19370 return mPackageUsage.isHistoricalPackageUsageAvailable(); 19371 } 19372 19373 /** 19374 * Return a <b>copy</b> of the collection of packages known to the package manager. 19375 * @return A copy of the values of mPackages. 19376 */ 19377 Collection<PackageParser.Package> getPackages() { 19378 synchronized (mPackages) { 19379 return new ArrayList<>(mPackages.values()); 19380 } 19381 } 19382} 19383